Do-it-yourself foam generator from a garden sprayer. What kind of wire to make a foam tablet yourself

Touchless car wash allows you to quickly and efficiently wash your car without damaging the paintwork. The washing effect is achieved by car shampoo applied to the car body in the form of foam using special devices.

The foam nozzle is not the most accessible part. But you can replace it with a foam generator.

Types of car wash equipment

1.High pressure foam generator. Foaming occurs in two stages: first, when connected to a high-pressure apparatus (120-190 kg / cm²), primary (active) foam is formed, and then, due to the foaming tablet, stable high-expansion foam is obtained at the output.

2. Low pressure foam generator. Connected to compressor (6-20 kg/cm²). Foam is also formed in two stages, but of worse stability and not as plentiful as when connected to an AED.

3.Sprayer. Works like a regular garden sprayer, i.e. it sprays a solution of car shampoo. Low expansion foam.

4. Dosatron. The dosing pump is connected through a filter to the water supply network. Does not require compressed air and works without electricity. A low pressure spray gun is used to apply the cleaning solution. There is practically no foam.

The device and principle of operation of the foam generator

The foam generator is a metal tank with a capacity of 20-100 liters with a filler neck at the top, a drain valve at the bottom and two fittings. The inlet fitting is connected to the compressor, and a nozzle is connected to the outlet fitting for forming and applying foam. The tank is filled two-thirds with a cleaning solution (10 ml of car shampoo per 1 liter of water) and compressed air is supplied (at least 6 bar pressure). The resulting foam enters the outlet fitting through a special filter and, passing through the nozzle nozzle (foaming agent), is applied to the car body. Pressure control is carried out using a pressure gauge, and the filling of the tank is carried out with a water measuring tube.

Advantages and disadvantages of foam generators

The entire washing cycle (preliminary washing off of dirt and dust, applying a layer of foam, final washing of the car, drying) takes 15-20 minutes.

The absence of contact with the surface of the body during the washing process eliminates the appearance of microdamages, stains and clouding of the paintwork.

High-quality washing in hard-to-reach places of the car body is ensured by the fluidity of the foam and the surfactants contained in it.

The formation of a thin protective anti-corrosion film after washing off the foam protects the paintwork.

The cost of a low pressure foam generator is measured in tens of thousands of rubles. Sprayers and dosatrons are cheaper, but the quality of washing is worse. The foam generator (foam set) is an inexpensive device, but it requires connection to a high-pressure machine, the cost of which is from 50 thousand rubles. It is easier and cheaper to make a low pressure foam generator yourself.

We make a foam generator from a garden sprayer with our own hands

For the manufacture of a home-made foam generator, an old Quasar garden sprayer with an inoperative pump or a Zhuk pump-action is suitable. Buying a new sprayer for subsequent alteration will cost 500-800 rubles.

To supply compressed air, we drill a hole at the top of the sprayer body and insert a nipple with a check valve. If this option does not suit you, then you can unscrew the existing overpressure relief valve from the housing and, by inserting the nipple, connect the hose from the car compressor to it. The quality of the foam depends on the pressure value - the higher the pressure created by the compressor, the better.
We disassemble the spray bar. We tightly stuff the adapter tube with a fishing line or a metal washcloth for washing dishes to improve foaming at the exit.
In the intake hose in its upper part, from the side of the sprayer outlet fitting, we make 5-10 punctures for better foaming.
Pour water through the neck in the case with added car shampoo in a ratio of 1:50 or select the desired concentration empirically. The volume of the washing solution occupies 70% of the sprayer capacity. After turning on the compressor, we eliminate possible leaks and evaluate the quality of the foam.

Nuances in the independent manufacture of a foam generator

Making a foam generator with your own hands from improvised means, take into account the power of the existing compressor and the volume of the tank. The ratio of the volume of 20 liters and the pressure of 6kg / cm² will allow you to wash the car without additional topping up the solution in the tank.

The foam tablet device (foaming agent) determines the quality of the foam. If the stability and multiplicity of the foam are not satisfactory, then they buy a ready-made foam kit or modernize the design of a home-made foam concentrate.

What to make a foam generator

The base part of the device for creating foam is the tank on which the rest of the nodes are assembled. For the manufacture of the foam generator use:

Metal pipe.
Garden sprayer.
Propane tank.
Water heater tank.

How to make a do-it-yourself foam generator from a water heater (video)

See how an efficient foam generator works and what it takes

Outcome

Knowing the device and the principle of operation of the foam generator, motorists independently manufacture washing devices. Saving money is obvious, but do not forget about common sense. Homemade foam, dried and not washed off in time, damages the paintwork of the car.

Hello to all DIY lovers!

In today's article, I want to show one of the options for making a simple foam generator from a regular garden sprayer.

It will take only a few minutes to refine this atomizer, and the result will be excellent! Verified personally!

A couple of years ago, I published my article on manufacturing, I want to say that this homemade product still works to this day and helps out very well when washing engines on a car, but in order to wash everything better, you need chemistry, and that’s actually what I did for this foam generator.

Materials for manufacturing

garden sprayer with a metal spout (sold at any hardware store);
sponge for washing dishes (hard top);
needle or awl.

Making a foam generator

First of all, we unscrew the upper part of the atomizer and we only need to make a small hole with a needle or an awl in the tube through which the liquid will rise, as shown in the photo below. This is necessary in order for the liquid to mix with air.

Nothing more needs to be done inside. The only thing is, if you don’t want to pump air manually, you can install a nipple from tubeless tires and pump air with a compressor, but I didn’t do this, since a standard pump is enough.
Next, remove the metal spout from the atomizer, take the upper part of the sponge, cut off a piece of suitable size and insert it tightly into the spout, as shown in the photo below.

And that's actually the whole revision! As I said, everything is done in just a few minutes.

How to use a homemade foam generator

Filling the container and mixing chemicals

Now you need to mix water and chemicals in the proportions indicated on the package and you can make foam. If there is no chemistry, then a regular detergent is quite suitable (I tested it on Feri).

Air injection and foam spraying

Now we pump air and try to spray foam. Also, with the help of an adjustable spout, you can change the shape and size of the jet. The foam lays down well and evenly, and is also very dense in saturation.

And here is actually

A touchless car wash is still considered a luxury for many car enthusiasts. During a crisis, spending 200-300 rubles to wash your iron horse is not the most practical solution.

Of course, you can buy a mini-car wash, but it the price often reaches 10-15 thousand rubles. But there is a way out! Assemble a do-it-yourself foam generator for washing. At the same time, its cost will be several times lower than if you bought a finished product.

The only expensive element of the foam generator for washing is the compressor responsible for forcing air. But it can be purchased on the secondary market for relatively little money (low-power model).

Purpose and principle of operation

Before you start assembling a foam generator for washing with your own hands, you need to understand the principle of its operation. The device performs two functions: it forms foam and evenly distributes it over the entire surface of the car.

The jet of water passes through a special solution in the tank and mixes with the air jet. As a result, foam is formed. However, this is not the whole process. Inside the foam generator for washing, the blown substance must obtain the required density. To do this, soapy water is supplied to a special foaming tablet.

Important! The foaming tablet is resistant to corrosion, so you don’t have to worry about its safety.

Plates-regulators are arranged in parallel. As a result, the fluid flow becomes flat. The long hose of the device allows you to comfortably wash your car with high quality. Since everything is more or less clear with the principle of operation, you can start assembling a foam generator for washing with your own hands.

Comment! A special car shampoo is used as a detergent in the foam generator.

Assembly methods

There are many methods for assembling a foam generator for do-it-yourself washing. In most cases, to create this device, there are enough components that are in any garage.

The drawings of the foam generator for washing are not particularly difficult. It is not surprising that most car owners decide to make this unit with their own hands.

Simple and fast

Attention! First you need to buy a compressor.

It is most convenient to make a do-it-yourself foam generator from a sprayer. The design of this device is almost identical to the factory tank, excluding, of course, some differences.

Important! Please note that the walls of the sprayer must be thick enough to withstand a pressure of 5 atmospheres.

Remove the valve and fitting from the sprayer. The result should be two through holes. The hand pump must be disassembled and plugged. Next, you will need the following elements to create an effective foam generator:

two half-inch drives and four nuts;
check valve;
air fitting;
barrel pipe connection;
foam tablet;
hose adapter;
gaskets.

Screw the squeegees into a plastic tank and tighten them with nuts. Don't forget to use spacers. They are needed for sealing. Choose one of the squeegees and screw on the check valve with a fitting. On the other, install a barrel to connect with a tablet fixed inside. Everything, a do-it-yourself foam generator for washing is made.

Important! To the drive through which air is supplied, you need to attach a tube. Air needs to come in from the bottom. This will cause the liquid to foam.

True, you still have to tinker with the hose a little, but it will not take much time. Just attach a garden sprayer to the end of it.

After the foam generator for washing with your own hands is made, you need to pour water and a special cleaning agent inside. The proportion is 10 to 1. During operation, the neck must be tightly twisted. Turn on the air supply and activate the atomizer. The average consumption of car shampoo is 20-50 grams per wash.

Important! The compressor must create pressure in the range of 4-5 atmospheres.

As you can see, the device of a steam generator for washing from a garden sprayer is not particularly difficult. On average, the unit can be assembled in 2-2.5 hours.

How to make a foamer for washing from a plastic canister

This method is even simpler than the previous one. It allows you to assemble a foam generator for washing from improvised means at minimal cost. For this you will need:

set of wrenches,
Bulgarian,
pistol,
plastic canister,
nozzle,
flushing hoses.

Take an inch tube 70 cm long. Fill it with fishing line of different sections. As a result, a self-made grid should form. Both ends are closed with special plugs. The plugs must have threaded holes.

On one of the plugs of the foam generator, install an adapter in the shape of the letter T. On the second, fasten the fitting. Connect the hoses to the two outlets of the T-piece. In this case, do not forget about the shut-off valves.

One hose of the foam generator for washing will lead to a reservoir of foamy liquid (canister), the other to the compressor. This method allows you to assemble a foam generator with your own hands at home at minimal cost.

Important! When you turn on your DIY car wash steam generator for the first time, fill the tank with plain water with a little dye. This will determine the weak points of the structure, if any.

Alternative type of detergent tank

When assembling a foam generator for do-it-yourself washing, choosing the right tank is of particular importance. The simplest methods have been described above. However, a propane tank is considered the best tank blank. It can withstand almost any pressure. With it, you can realize a strong flow without fear of damaging the structure.

To create a full-fledged tank from a propane cylinder, you will have to use welding. First, weld all the old holes and make two new ones: one at the bottom of the end, the second in the middle. Weld pipes with fittings to them.

You can use both collet adapters and couplings. The main thing is that this structural element of the do-it-yourself foam generator for washing should withstand the pressure generated by the compressor.

For greater convenience, a hatch can be made on top of the foam generator. To make it convenient to refill the washing liquid through it. The main thing is not to forget about the sealant. The container must be completely sealed.

The lower tank fitting is connected directly to the compressor, the upper one is connected to the atomizer. As you can see, the principle of connecting a tank from a propane tank is the same as that of a sprayer. But the service life and reliability are many times higher.

How to save on materials

First, it is not necessary to buy new components. Secondly, practice shows that half of the necessary spare parts for assembling a foam generator with your own hands can be found in the garage.

Nevertheless, even a used compressor will cost at least 2-3 thousand rubles. But there is one trick here. This spare part can be removed from an old truck. Hundreds of offers can be found on Internet bulletin boards from tractor owners selling their vehicles for parts.

ZIL-130 is equipped with a compressor of the required power. Most of these cars have been sitting in junkyards for a long time. Therefore, you can take the part you need for a purely symbolic fee to the watchman, or even for free.

Check the unit carefully before buying. It should not have oil leaks or other defects. Otherwise, it is dangerous to work with the compressor. Even if you manage to start a do-it-yourself foam generator for washing, but equipped with a defective compressor - 1-2 cleanings and the unit will fail.

Important! Above, a method has already been presented on how to make a mesh for bubbles with your own hands. Then the line was used. With the same success, you can use a foam sponge or a plastic synthetic washcloth for the body.

Alternative methods for shaping the atomizer

If you don’t have fishing line available, you can make a foam generator sprayer for washing with your own hands from a synthetic washcloth. Just cut out the fragment you need and put it in the tube. Make sure it is securely fixed. It is necessary that he does not crumple under strong pressure.

Important! Your main task when creating an atomizer is to securely fix the filter, which will create small bubbles with a high density.

How to make your device more portable

The design of the foam generator for washing can be upgraded. Naturally, all operations are easily performed by hand. To do this, you will need a small container for a spray gun, as well as a pressure washer nozzle.

The tube with the filler is replaced by a nozzle, and the propane tank is replaced by a tank for an aerosol gun (you can use a sprayer with the same success). The weight of the structure is reduced many times. The installation of a welded frame and wheels makes the car wash foamer completely portable.

Results

Creating a do-it-yourself foam generator for washing requires time and effort. But the result fully pays for all the costs. Now every wash will be practically free for you.

The contactless method of car washing has a number of advantages, but the main advantage is the absence of the possibility of damaging the paintwork. The effectiveness of the contactless washing method is achieved thanks to the car shampoo applied to the body in the form of foam. To turn the gel into foam, special devices are used: foam generators, sprayers and dosatrons. To wash a car with shampoo, it is not necessary to sign up for a car wash, as this can be done at home. To convert shampoo into foam, you need to design a foam generator with your own hands.

Design features of the foam generator device

Before you figure out how a foam generator is made, you should understand its design and principle of operation. A foam generator is a metal tank or tank, the capacity of which is from 20 to 100 liters. In the upper part of such a tank there is a filler neck, as well as a drain valve with two fittings. One of the fittings (inlet) is connected to the compressor, and a nozzle is connected to the second (outlet) to create foam and apply (spray) it to the car body.

The tank, depending on its volume, is filled with a special cleaning solution, the amount of which is 2/3 of the tank capacity. The solution is a mixture of 10 ml of car shampoo with 1 liter of water.

This is interesting! Additional protection of the car body with shampoo is achieved due to the content of wax in it.

After filling the tank with detergent, the compressor turns on and compressed air is supplied to the tank. To create foam, the air pressure must be at least 6 atmospheres. Shampoo foam is formed in the tank under the influence of compressed air, which enters the outlet fitting through the filter and sprayer (foaming agent). The sprayer is located in the nozzle, through which foam is supplied to the car body. The pressure in the tank is controlled by a manometer, and its level of filling is controlled by a special water measuring tube.

The main purpose of the device is the formation of foam from the working solution

Thanks to this device, a person does not need to come into contact with the chemical, and applying shampoo in the form of foam contributes to a better washing of dirt from the car body. In addition, the speed of car washing increases, which takes no more than 15-20 minutes. A number of additional advantages of using a steam generator also include:

The complete absence of physical contact with the surface of the body. This eliminates the occurrence of damage, stains and clouding of the paintwork product.
The ability to remove dirt in hard-to-reach places.
Additional protection of the paintwork due to the formation of a thin protective anti-corrosion film.

However, of all the advantages, it is important to highlight the disadvantage, which is that a factory-made steam generator is quite expensive (from 10 thousand rubles, depending on the capacity). Based on this, many home craftsmen resort to the manufacture of low-pressure steam generators. This approach allows you to significantly save finances, as well as get a high-quality steam generator for home use.

Features of the manufacture of a foam generator for washing

The cost of the cheapest foam generator for washing will cost more than 10 thousand rubles, and with an independent approach to the manufacture of the device, no more than 2 thousand rubles will be needed. This amount can be even less if the arsenal contains the items necessary for the construction of the device. For such purposes, you will need the main elements presented in the form:

Capacities;
reinforced hose;
pressure gauge;
metal clamps;
Shut-off valve;
metal tube.

Before proceeding with the manufacture of the foam generator, it is necessary to select the appropriate tank. The main requirement for the tank is the ability to withstand pressure up to 5-6 atmospheres. The second requirement is the volume of the product, which must be within 10 liters. This is the optimal volume to apply the foam to the car body at one time without re-adding the cleaning solution. All other products can also be found in the garage or purchased in their absence.

The scheme of the foam generator for washing has the form shown in the photo below.

The reservoir of the device must withstand pressure up to 6 atmospheres inclusive

Preparation of drawings in the manufacture of the device

Before proceeding with the manufacture of a homemade foam generator, it is necessary to prepare drawings with outlines. This will not only allow you to understand what you need to get homemade, but also help you avoid missing out on the following tasks:

Determining the sequence of the operation for assembling the product.
Formation of a complete list of necessary materials and parts.
Preparation of tools that will be needed for the manufacture of products.

A drawing of a home-made foam generator circuit is shown in the photo below.

For clarity, it is best to make a sketch on a piece of paper.

Based on such a scheme, you can compile a list of necessary materials, as well as tools for the manufacture of the product. In each case, depending on what the foam generator will be made of, the necessary consumables will differ. Some of the required tools include:

Spanners;
Roulette;
Pliers;
Bulgarian;
Screwdriwer set;

After the sketches are completed, you can begin to manufacture.

From the sprayer "Beetle"

Surely at the disposal of many there is an old garden sprayer of the Zhuk brand or its analogues. It can be used not only for its intended purpose, but also for the manufacture of a foam generator for washing a car. Consider what the manufacturing process itself is. To get started, you will need to use the following types of materials:

Capacity. A tank from a Zhuk garden sprayer or other brands, such as Quasar or Spark, is used as a reservoir.
Manometer designed to measure pressure up to 10 atmospheres.
A valve that will regulate the flow of foam.
A metal tube with a nozzle for carrying out the spraying process.
A hose that can withstand pressure up to 8 atmospheres.
Hose adapter.
Clamps.
Automobile nipple with a shut-off valve that conducts compressed air in one direction only.
Two ½ inch squeegees or nozzles and 4 seal nuts.

The spray tank is the ideal option for making a foam tank

The foam generator is based on a metal mesh or tightly whipped fishing line, with the help of which the cleaning solution will be sprayed. You can purchase a ready-made foam tablet in a specialized store.

A foam tablet that is responsible for the consistency of the solution can be purchased at a store or made by yourself.

It is important! The capacity of the foam generator must withstand pressure up to 6 atmospheres. The plastic tank should not show signs of deformation and damage.

When working with the device, protective clothing is worn, as well as protective equipment. When all the materials are ready, you can begin to design the device.

From the sprayer, you need to remove the hand pump, and then plug the existing holes.
2 half-inch spurs are installed at the top of the tank. To fix the sgons, nuts are used, which are screwed on from both sides. The tightness of the connection is carried out by using gaskets.

To ensure tightness, it is possible to use sanitary gaskets

A T-shaped adapter is installed in the air supply nozzle. A pressure gauge is attached to it, as well as a shut-off valve.
Inside the tank, a steel pipe is attached to the squeegee by screwing onto a threaded connection. From this pipe, air will be supplied to the bottom of the tank, thereby foaming the liquid.
From the second nozzle, foam will be supplied. A tap is installed on the nozzle, as well as a foam tablet. The hose is connected to the nozzle on one side, and to the metal tube on the other. A nozzle or atomizer is attached to the metal tube, after which the device is ready for use.

The resulting design is very similar to the factory

To be able to regulate the pressure in the tank, it is necessary to install a special air injection control valve. This valve will relieve excess pressure in the tank.

You can simplify the manufacture of the foam generator by using a hose with a sprayer, which is completed with a sprayer. To do this, the sprayer needs to be slightly modified:

Make a small hole in the shampoo intake hose. This hole is made under the very top, and its purpose is to mix air with shampoo.

The hole made in the tube is necessary for additional air supply

The second type of modernization involves the manufacture of a foam tablet from a metal dishwashing brush. This brush is located inside the adapter tube. Instead of a brush, you can install a foam tablet or a ball of fishing line.

Using a dishwashing brush as a foam tablet can help you save money

To supply compressed air to the tank, you need to drill a hole in the sprayer body and install a nipple into it. Connect the hose from the compressor to the nipple, after which one part of the compressed air supply is ready.

After that, we get a simplified version of the foam generator with our own hands, which will serve for a long time and efficiently.

From a fire extinguisher: step by step instructions

Consider what is the process of manufacturing a foam generator from a fire extinguisher. To do this, you need to use an old five-liter fire extinguisher with a gas generator. This volume is enough to wash the car from one refueling of detergent.

The body of the fire extinguisher is a priori designed for high pressure, therefore it will be an excellent option for the manufacture of a foam generator

A fire extinguisher with a gas generator is an almost ready-made foam generator that requires minor modifications. In addition to the cylinder, the following materials will be needed to build a foam generator from a fire extinguisher:

Valve for tubeless wheels.
Brushes for washing dishes.
Grid with a small cell.
The hose that will be used to connect the canister to the foam gun.
Clamps for secure fixation of the hose.
Sealant that can be used to seal threaded connections.

Of the necessary tools, only a drill and a hacksaw for metal are needed. After that, you can get to work:

Initially, the locking and starting device of the fire extinguisher is unscrewed. At the bottom of the cover is a tube with a gas generator. The gas generator is a small container for compressed air.
The locking mechanism is disassembled. The tube and cylinder are unscrewed together with the couplings.

The locking mechanism is disassembled, and the tube and cylinder are unscrewed

The gas generator is to be sawn into two parts, for which a metal sheet is used. The upper part of the gas generator must be at least 4 cm long. This will be our foaming tablet in the future.

The upper part of the gas generating device must be at least 4 cm long

The lower part of the gas generator is retracted to the side. We proceed to the manufacture of the tablet, for which a round mesh is cut along the diameter of the gas generator. It is located inside this balloon.

As in the previous case, we will use dishwashing brushes to create a foaming tablet.

The cylinder also contains metal brushes, which are designed for washing dishes.
To prevent the washcloths from falling out, another fixing mesh is installed. The diameter of the mesh must be larger than the size of the balloon for tight fixation.
A hole is drilled in the sleeve where the cylinder neck is screwed in, which is necessary to improve the foam's permeability. Drilling is carried out until the diameter is at least 7 mm.
After that, a homemade foam tablet is screwed into the hole. To seal the hole, the threads must be coated with sealant.
At the next step, a hole is drilled in the fire extinguisher body, where the tube coupling will be screwed. A fitting will be installed in this hole, so it must be of the appropriate size. The optimal size is 10 mm.
The valve is installed, and the tube coupling is immediately screwed in. This valve will be used to pump compressed air into the fire extinguisher tank.
A tube is put on the coupling, after which the air supply line to the cylinder is considered ready.
A foam tablet is screwed into the second hole of the cover, after which you can start preparing the gun.
The old hose is disconnected from the fitting, after which it is screwed into the locking and triggering mechanism from the gun.
The parts are connected to a new hose, and connected to a shut-off device.
Hose connections must be secured with clamps.

The device from the fire extinguisher is reliable and has a much longer service life.

The device is ready for use, and to facilitate its transportation, handles or holders can be welded to the cylinder. The device is ready, so you can start testing it. Pour 2 liters of water into the container, then add shampoo. The ratio of shampoo to water can be specified on the packaging with the chemical. The pressure in the cylinder should not exceed 6 atmospheres. If the pressure is lower, then in the process of washing the car, pumping will be needed.

This is interesting! Even if there is no compressor at your disposal, you can pump air with an ordinary hand or foot pump.

From a plastic canister

If there is an old plastic canister in the garage, then a foam generator can also be made from it. The advantage of using a canister is the ease of manufacture of the device, as well as minimal costs. Of the tools and materials you will need:

Compressor;
Plastic canister;
Bulgarian;
flush tubes;
Pistol;
Keys set.

The principle of manufacturing a foam generator from a plastic canister is to perform the following manipulations:

An inch tube 70 cm long is filled with fishing line or a metal brush.
At the edges, the tube is fixed with special plugs using threaded connections.
On one of the plugs is a T-shaped adapter.
A fitting is installed on the second plug.
Hoses and taps are attached to the T-shaped adapter on both sides, through which the water supply will be shut off.
On the one hand, the compressor will be connected, and on the other, foamy liquid will be supplied from the tank.
It remains to put on a gun and use a homemade device.

Penogen from a canister does not require a huge investment of time and money and is known for its ease of execution.

Schematically, the design of the foam generator will have the form shown in the photo below.

General scheme of a homemade device from a canister

From a gas bottle

A metal barrel of a cylinder is an excellent option for making a tank. Its advantage lies in the thickness of the cylinder walls, which are able to withstand high pressure. As in previous cases, you first need to prepare the drawings. After that, collect all the necessary materials and tools, and only then begin work.

Foam check valve drawing

A check valve with a pressure gauge will be used to supply air. The drawing of a homemade foam tablet looks like this.

We will use fluoroplastic as a material.

You will also need to make a nozzle for spraying foam. This nozzle will be put on the hose through which the foam is supplied. The scheme for manufacturing a nozzle for a sprayer is as follows.

From the materials you will need the details that are shown in the photo below.

Necessary consumables for the manufacture of the device

The manufacture of a foam generator for washing is carried out from a cylinder with a capacity of 5 liters. You can use a larger tank, but only this is not necessary.

Once everything is ready to work, you can proceed:

Initially, the handle is dismantled from the cylinder and 2 holes are drilled.
After that, using a welding machine, a fitting with a 1/2 ″ thread is welded into which the valve will be screwed.
A tube is welded to supply air to the cylinder. She must hit the bottom. After welding, a non-return valve will be screwed onto the tube. In the tube, you need to make several holes in a circle with a diameter of 3 mm.

To supply air to the cylinder, we weld a tube

After that, the handle to the cylinder is welded into place.
We proceed to the assembly of the check valve. To do this, you need to make a membrane from a thin elastic band. We also drill 4 holes with a diameter of 1.5 mm. The appearance of the membrane is shown in the photo below.

4 small holes are drilled around the center in the membrane

The resulting check valve must be screwed onto the tube, and a manometer with a quick-release “dad” should be installed.

The check valve is screwed onto the tube

Now you need to make a device for removing foam. To do this, a tap is fixed on the fitting.

We use a crane to remove the foam to the outside.

A tablet is fixed to the tap, which can be made of stainless steel.

A hose with a diameter of 14 mm is put on the brush. Let's start making the nozzle. To do this, you need fluoroplastic, as shown below.

Nozzle material - fluoroplast

The filler neck is made from a regular cylinder check valve. To do this, the valve is drilled and a M22x2 thread is cut into it. The stopper is made of PTFE.

After that, you can pour 4 liters of water into the balloon, as well as 70 g of shampoo. On this, the process of manufacturing a foam generator from a cylinder is considered complete, and you can start testing it.

Device upgrade

Refinement includes improving the functioning of the nozzle. The disadvantage of regular nozzles is that water is supplied under low pressure, so full mixing is not observed. Consider two ways to refine factory foam generators.

Nozzle replacement

To upgrade, you will need to use a screw nut. You can find it in the system unit of the computer. This is the product that fixes the motherboard. The advantage of a screw nut is that it is made of soft materials, so it is not difficult to drill a hole in it. To do this, take a drill with a diameter of 1 mm. A hole is made in the middle of the nut. A cut is made from the end part so that it can be screwed with a screwdriver. The resulting device should be screwed inside the nozzle.

Now you need to take a slightly larger nut of a similar type. A hole with a diameter of 2 mm is drilled in it. From the side that will be turned towards the nozzle, the nozzle is installed. To do this, a core is taken from a gel pen, from which a part with a length of at least 30 mm is cut off. A hole with a diameter of 4.6 mm is made on the nozzle in the upper part. Everything is sealed with a sealant. You can start testing.

Mesh Nozzle Upgrades

The mesh in the nozzle plays the role of a water divider and a foam former. The disadvantage of nets is their rapid wear. To finalize the product, you will need to use a jet from the carburetor of any car. You will also need a mesh made of stainless material.

The jet must be placed instead of the standard nozzle, paying attention to the dimensions. If necessary, drill a hole to accommodate the jet. According to the standard grid template, you need to make a new one. The new mesh should have a mesh diameter of no more than 2 mm. After that, the product can be installed in place of the regular one and tested in action.

Summing up, it should be noted that it is not difficult to build a foam generator for washing a car. All parts and tools are available in every garage, so if such a need arises, you need to take it and do it. The material contains indicative samples, so in each individual case you can use your own ideas.

The use of foam for a contactless car wash provides a better cleaning of the surface. The advantage of this washing method is also "delicacy" - the foam will not damage the body. Therefore, many motorists strive to make a foaming agent for car washing with their own hands.

Principle of operation

With the help of high pressure, a jet of foam is supplied, which not only removes all contaminants from the surface, but also disinfects it. The internal device of the unit allows you to create foam of the desired density and evenly apply it to the machine. Foam is formed in several stages:

A jet of water passes through a car shampoo suitable for a foam generator.
It mixes with a stream of air and foam begins to form.
At high speed, the resulting substance is sent to a special foaming "tablet".
The foam of the desired density is already coming out of it.

The foaming agent allows you to clean very quickly, besides, it significantly saves water. A small amount of water is enough for a jet, high pressure will provide the desired spray rate and surface area to be treated. Thus, a foaming agent and a high pressure car wash very quickly occupy a leading position in the list of necessary tools for the garage, according to car enthusiasts.

How to assemble a blowing agent

The foam unit itself consists of several parts:

Cylinder with compressed air.
Application gun.
mixer parts.

A professional foaming agent of industrial production is very expensive, so it makes sense to assemble a foam generator for washing a car with your own hands.

At a price it will be much more affordable, besides, the efficiency of work will remain the same. There are several ways to create a blowing agent:

Manufacture of a compact foaming agent.
Creation of a traditional foam generator.
Production of a foaming agent from a canister.

To make it by the first method, you need adjustable wrenches, a grinder, and other tools, as well as the materials for manufacturing themselves: a tube 50 cm inch in diameter, a washcloth made of polyethylene strips, pipes, a hose. Part of the pipe is filled with a washcloth, which replaces the tablet and promotes the formation of foam. At one end of the pipe you need to put a filter, and at the other - a plug and a tee. It is on this part that a valve for supplying compressed air is installed. To the side where the filter stands, attach the fitting and foam hose. Such a foam generator will not last very long, but it will be cheap.

Do-it-yourself foam nozzle for car washing is made in the same way. Sometimes motorists need a separate foam nozzle if it was not in the purchased factory-made washing kit.

Such a device, made on its own, is likely to work much more efficiently than many commercial foam guns.

The second method will make it possible to make a unit that is close in design to an industrial one. To do this, you need a compressor that will create a sufficient level of power. In addition, you will need to take a container with thick walls. It could be a garden sprayer.

Metal pipes must be screwed into the container from the sprayer. At one end, you need to install a fitting and a check valve, and at the other end, a container for connecting with a foaming tablet. The air supply for this frother must come from below. After completing the assembly of the foam generator for a car wash with your own hands, you can use it.

Not only a garden sprayer can be used as a water tank. The most reliable option would be a propane tank, as it can withstand high pressure.

A third method for creating a blowing agent is using a plastic canister. This allows you to make the necessary unit cheaply and quickly. You will need a long tube of small diameter, which must be filled with fishing line or something that replaces it. A fitting is installed at one end of the pipe, and a special adapter with two tubes is installed at the other. Hoses and taps are fixed on it, through which water is supplied. On the one hand, the foaming agent is attached to a container with washing liquid, on the other hand, a compressor.

All the described methods allow you to make a do-it-yourself foaming agent for a car wash.

Do not use a foaming agent or a high-pressure car wash for a very long time in a row. This may lead to breakage.

Creating a car wash with your own hands

Thanks to the high-pressure car wash, you can easily clean the car from any contamination. The combination of strong water pressure and a special nozzle that allows you to cover a larger volume is liked by motorists. The versatility of such a unit also makes it attractive.

In many stores you can buy a car wash of industrial production, but its cost will be quite high. For the sake of saving money, as well as for the pleasure of doing something on their own, many motorists prefer to do their own car wash. There are a large number of training videos in which you can find out all the information you need to create it.

First you need to find the right parts. These include:

Pump.
Electric motor.
Coupling.
Water tank.
Pump performance regulator.

The pump must be chosen very carefully. It will become the most expensive element in the entire structure, but it will last a long time. All important parts of the pump must be metal. In addition, it must be characterized by high performance and pressure resistance of 150 atmospheres.

A single-phase 220 V electric motor can be used for car washing. The connection will be safe and inexpensive. The higher the engine speed, the greater the performance level. The electric motor will be connected to the pump by a coupling. It is best to use a soft coupling, which can become a fuse if the pump fails.

The water reservoir must be voluminous so that the pump can work for a long time without interruption. Water tanks are often used. A mesh can be attached at the junction with the hose so that no debris can damage the pump. The material of the container must be chosen carefully, as it must be durable. Thick metal or plastic will do.

To make a high-pressure car wash with your own hands, you must also purchase a pump regulator. It will help return some of the water to the tank if there is a threat of overloading the pump. All elements are fixed on a special frame. They also add high pressure sleeves, a brass pump and a spray gun.

The process of washing a car can be made more efficient by attaching a brush or other nozzle to the water hose.

They will complement the list of car wash functions. If desired, you can turn the sink into a steam cleaner. This will also require a special nozzle on the hose, as well as a heater.

It is impossible to work for a long time using the same sink, as it will thus quickly become unusable. The purpose for which the sink will be used affects its final dimensions. In appearance, the sink can be:

Compact.
Large stationary.

The second option is more difficult to use at home and requires a fair amount of space in the garage.

Knowing how to make a car wash with your own hands, every motorist will think about how to use it correctly.

There are several basic rules for use:

Regular inspection of the connections and their tightening will help prevent mechanical damage, possible from strong pressure.
Inspection of filters before operation - their regular cleaning will ensure a uniform supply of water.
Grounding the electrical circuit - not only the electric motor must be grounded, but also the plug itself. Then the device will be safe.
Washing should be carried out over the entire surface so as not to damage the paint that covers the car. If the machine has a drawing or a sticker on it, then this element should not be directed with a jet of water, as it may lead to cracks in the coating or remove the sticker.
It is advisable to use a battery in case of a poor-quality source of electricity. This will protect the unit from short circuit.
Avoid temperature fluctuations - a sudden change in air temperature can lead to tool breakage.

When using, you must remember that washing the car is not allowed everywhere. Washing a car near ponds and lakes threatens with a fine. This rule, however, does not apply to keeping headlights and windows clean.

You can use a high-pressure car wash not only outside the car, but also inside. This will allow you to clean the interior very quickly and efficiently. A wide range of nozzles and rollers will help you to do even delicate cleaning in the car.

If you know how to make a foam generator and how to make a car wash with your own hands, then you can save a lot of money. Experienced motorists have all the necessary materials and tools in their garages, so they will only have to spend money on a special car shampoo.

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