Characteristics of works.

Dismantling, repair, assembly, adjustment, testing of components and mechanisms of the main and auxiliary equipment, lifting machines and mechanisms of medium complexity using complex pneumatic and electrified tools, special devices, equipment and measuring instruments. Production of various installation and marking templates. Hydraulic testing of repaired equipment. Locksmith processing of parts according to 7 - 10 qualifications (2 - 3 accuracy classes) with adjustment and fine-tuning. Making the necessary measurements when repairing heating surfaces, rotating mechanisms, dust preparation and furnace devices. Laying according to drawings and diagrams of pipelines of all categories in compliance with technical specifications. Identification of defects that occur on equipment and their elimination. Assembly, reconstruction and installation work on station pipelines and fittings in the operating shops of the power plant. Performing rigging work on the vertical and horizontal movement of units and parts using lifting mechanisms and special devices. Testing of rigging equipment and equipment. Participation in the performance of gas hazardous work.

What should know:

• detailed arrangement of the main and auxiliary repaired equipment, lifting machines and mechanisms, schemes of the main pipelines of boiler units
• rules for performing work on adjustment and alignment of repaired equipment
• main equipment defects and methods for their elimination
• pipe rolling rules
• technical specifications for the repair, assembly and manufacture of complex parts and assemblies of boiler and dust preparation equipment
• arrangement of rolling and sliding bearings
• scope of pipes manufactured in various ways (seam, seamless, rolled, seamless)
• design features of special tools, fixtures and equipment used in the repair of equipment
• requirements for the design of boilers and materials used for the manufacture of boilers, superheaters, economizers, pressure vessels and pipelines
• rules for testing vessels and pipelines
• safety rules in the gas industry
• rules for withdrawing equipment for repair
• issuance of a work permit
• main provisions of preventive maintenance of equipment
• fundamentals of mechanics, heat engineering, materials science.

Work examples

1. High pressure fittings - lapping of sealing rings, seat and valve, tightness test.
2. Fans - checking the density of the snail.
3. Pulverized coal burners of various systems - replacement.
4. Smoke exhausters and fans - repair of impellers with replacement of blades, manufacturing of blades and guide vanes.
5. Coils for economizers and superheaters - replacement of pipe sections, fabrication and assembly.
6. Ball and shaft mills - armor replacement, overhaul.
7. Mechanisms rotating - centering with an electric motor.
8. Bearings - refilling the liner, determining clearances.
9. Dust feeders - overhaul.
10. Plazas for pipes of high-pressure heating surfaces - marking and manufacturing.
11. Welded joints - installation of heating devices, caulking of thermocouples and heat treatment according to a given regime.
12. Pipes and coils - pressure testing.
13. Pipe sections are defective - insert manufacturing, sytkovka.
14. Screws - overhaul.
15. Shaft flush shafts - density test.
16. Electrostatic precipitators - repair of shaking mechanisms.
17. Elements of multicyclones and wet scrubbers - replacement.

This production instruction for a mechanic for repairing boiler equipment was developed on the basis of the Unified Tariff and Qualification Guide (ETKS N 1), Rules for the Design and Safe Operation of Steam and Hot Water Boilers, Rules for the Technical Operation of Thermal Power Plants.

1. GENERAL REQUIREMENTS

1.1. The boiler room equipment repairman is a worker and reports directly to the foreman (boiler house foreman, chief power engineer).

1.2. The mechanic for the repair of boiler room equipment must perform his duties in accordance with the requirements of this Instruction.

1.3. A person with a secondary vocational education is appointed to the position of a mechanic for the repair of boiler equipment.

1.4. The boiler room equipment repairman must know:

the impact on a person of dangerous and harmful production factors that arise during work;

general arrangement of boilers and boiler equipment;

rules for the design and safe operation of steam and hot water boilers;

alarms installed on the PPS and the location of the devices for their supply;

rules for the design and safe operation of lifting mechanisms;

requirements for industrial sanitation, electrical safety and fire safety;

location of first aid kits;

internal labor regulations established at the enterprise;

the requirements of this instruction, instructions on fire safety measures, instructions on electrical safety;

appointment of personal protective equipment;

rules and regulations on labor protection, safety and sanitation;

be able to provide first aid to victims, use fire extinguishing equipment, and call the fire brigade in the event of a fire.

1.5. The boiler room operator is appointed to the position and dismissed by order of the head of the institution in accordance with the current legislation of the Russian Federation.

1.6. Persons at least 18 years of age who have passed a medical examination, theoretical and practical training, tested knowledge of labor safety requirements in the prescribed manner and have received permission to work independently are allowed to work as a mechanic for repairing boiler equipment.

1.7. The mechanic for the repair of boiler room equipment is provided with overalls and safety shoes in accordance with applicable standards.

1.8. The boiler room equipment repairman must:

observe the rules of internal labor regulations and the established regime of work and rest;

perform work that is part of his duties or entrusted by the administration, provided that he is trained in the rules for the safe performance of this work;

apply safe work practices;

be able to provide first aid to the injured.

2. RESPONSIBILITIES

Before starting work, the boiler room equipment repairman must:

2.1. Check your workplace: the presence of uniform lighting, the absence of clutter with foreign objects.

2.2. Prepare serviceable personal protective equipment, inspect equipment, lifting equipment and tools. Boilers, all equipment, tools and devices necessary for servicing boilers must be in good condition.

2.3. Check the availability and serviceability of tools, measuring instruments, templates, as well as their presence on the racks and repair installations of spare parts and materials.

2.4. Check the operation of the electric hoist, the serviceability of the limit switches.

2.5. Check the serviceability of ladders, bridges, ensure their reliable installation.

2.6. Make sure the illumination of the workplaces is reliable.

2.7. During work, the mechanic for the repair of boiler room equipment is obliged to:

be able to use personal protective equipment against natural gas and its combustion products;

clearly know and perform their actions in case of accidents, skillfully act during emergency response training;

participate in the scheduling of repairs and preventive inspections of boiler equipment;

carry out maintenance and repair of equipment;

keep a log of preventive inspection and repair of boiler room equipment;

during internal inspection, cleaning or repair of steam or hot water boilers, they must be stopped, cooled down and emptied, reliably disconnected with plugs;

internal inspection, cleaning or repair of the boiler to be carried out by at least 2 employees;

carry out work inside the boiler only with the permission of the person responsible for the good condition and safe operation, according to the permit;

when using a portable electrified tool, use dielectric gloves and rubber mats;

when removing or installing parts and assemblies of the boiler room, use the tools and devices provided for this type of work.

2.8. A mechanic for repairing boiler room equipment is prohibited during work:

repair and clean the pressurized boiler equipment, allow unauthorized persons into the boiler room.

2.9. At the end of the working day, the boiler room equipment repairman is obliged to:

tidy up the workplace;

remove tools, inventory, other materials and personal protective equipment to the places provided for them;

put overalls and safety shoes in a personal wardrobe for overalls.

3. RESPONSIBILITY

The boiler room equipment repairman is responsible for:

3.1. Timely and high-quality implementation of the duties assigned to him.

3.2. For high-quality performance of all repair work and trouble-free operation of boiler equipment.

3.3. For the implementation of all types of work by safe methods, with the correct use of manual and mechanized tools.

3.4. Compliance with internal regulations, fire safety and traffic regulations of the Russian Federation.

3.5. Maintenance of documentation provided for by the current regulatory legal acts.

3.6. Prompt action, including timely informing management, to eliminate violations of safety, fire and other rules that pose a threat to the activities of the institution, its employees and other persons.

3.7. For offenses committed in the course of their activities, within the limits established by applicable law.

3.8. For violation of labor discipline, legislative and regulatory acts, a boiler room equipment repairman can be brought to disciplinary, material, administrative and criminal liability in accordance with applicable law, depending on the severity of the misconduct.

4. RIGHTS

The boiler room equipment repairman has the right to:

4.1. Require the creation of organizational and technical conditions necessary for the performance of official duties and the provision of the necessary equipment and inventory.

4.2. Use information materials and legal documents necessary for the performance of their duties.

4.3. Pass certification in accordance with the established procedure with the right to receive the appropriate qualification category.

4.4. Request and receive the necessary materials and documents related to the issues of their activities and the activities of employees subordinate to him.

4.5. Interact with other services of the enterprise on production and other issues that are part of its functional responsibilities.

4.6. Enjoy all labor rights in accordance with the Labor Code of the Russian Federation.

5. FINAL PROVISIONS

5.1. Familiarization of the employee with this instruction is carried out upon admission (transfer) to work in the profession for which the instruction was developed.

5.2. The fact of familiarization of the employee with this instruction is confirmed by a signature in the familiarization sheet, which is an integral part of the instruction, kept by the employer.

Designed by:

Head of structural unit:

(surname, initials) (signature)

"___"________ ____ G.

Agreed:
Head (specialist) of the labor protection service:
__________________________________.

"___"________ ___ G.

Agreed:
Head (Legal Counsel) of the Legal Service:
__________________________________.
(initials, surname) (signature)

"___"________ ___ G.

Familiarized with the instructions:
__________________________________.
(initials, surname) (signature)

Contains information on the installation, repair and operation of gas equipment, on materials, fixtures and tools used at gas facilities. The technical characteristics of gas appliances and fittings, methods of its installation, testing and verification are given. The features of the use and operation of plastic pipes are considered.
For gas workers.

CONTENT:
Foreword
Chapter 1. COMBUSTIBLE GASES AND THEIR PROPERTIES
1.1. Natural and artificial gases
1.2. Basic properties of gases
Chapter 2. GAS SUPPLY SYSTEMS
2.1. Classification of gas pipelines and gas supply systems
2.2. Disconnecting devices and structures
2.3. Basic requirements for laying gas pipelines
2.4. Device and equipment of hydraulic fracturing and GRU
2.5. LPG gas supply
Chapter 3. BURNERS
3.1. Classification of burners
3.2. Injection burners
3.3. Forced air burners
Chapter 4. GAS FITTINGS
4.1. General provisions
4.2. Locking devices
4.3. Safety fittings
4.4. Gas pressure regulators
Chapter 5. PIPES AND MATERIALS
5.1. Steel pipes
5.2. Connecting parts and details of gas pipelines
5.3. Gaskets, sealants and paintwork materials
5.4. Welding consumables
5.5. Insulating materials
5.6. Polymer pipes
Chapter 6. MEASURING AND CONTROL INSTRUMENTS
6.1. Temperature measuring instruments
6.2. Pressure measuring instruments
6.3. Instruments for determining the flow and quantity of liquids and gases
6.4. Devices for measuring gas content and gas leaks
Chapter 7. TOOLS AND DEVICES
7.1. Measuring tool
7.2. Drilling, countersinking and reaming tool
7.3. Threading tool
7.4. Metal cutting tool
7.5. Tool for filing and grinding
7.6. Marking tool
7.7. Tools and fixtures for locksmith work
Chapter ". OPERATION OF THE GAS FACILITY
8.1. Acceptance into operation of installed gas facilities
8.2. Organization of maintenance and repair
8.3. Connection of gas pipelines to existing
8.4. Operation of gas pipelines
8.5. Operation of hydraulic fracturing (GRU)
8.6. Features of the operation of gas pipelines from polyethylene pipes
8.7. Operation of liquefied gas installations
8.8. Operation of gas equipment of boiler houses and workshops of industrial enterprises
8.9. Basic provisions for the operation of electrical equipment, automation and control equipment
8.10. Operation of automobile transport on gas fuel
Chapter 9. VENTILATION AND REMOVAL OF GAS COMBUSTION PRODUCTS
9.1. Requirements of the Safety Rules in the gas industry for the removal of gas combustion products
9.2. Installation of smoke and ventilation ducts, pipes
9.3. Room ventilation
9.4. Maintenance of smoke and ventilation ducts
Chapter 10
10.1. Key points
10.2. Characteristics of the causes of accidents and accidents in the gas industry
10.3. Responsibility for violation of the rules and norms of labor protection
10.4. Gas hazardous work
10.5. Gas leaks
10.6. emergency work
List of used literature

You are holding in your hands a practical reference manual for a gas facilities repairman, which contains information on the installation, repair and operation of gas equipment, materials, fixtures and tools used at gas facilities. The technical characteristics of gas appliances and fittings, methods of its installation, testing and verification are given.

In addition to the technical characteristics of popular devices for gas equipment and practical recommendations for operation, the manual provides an analysis of the development of the gas industry. The book tells how modern gas facilities are arranged in order to make it convenient to choose, install gas equipment and monitor its condition.

Using this book as a reference, you can always choose for yourself the most economical options for work and materials.

The book is addressed to both professional practitioners of the gas industry and consumers of gas energy.

Unified Tariff and Qualification Directory of Works and Occupations of Workers (ETKS). Issue #9. Works and professions of workers in the electric power industry
Approved by the Decree of the Ministry of Labor and Social Development of the Russian Federation of March 12, 1999 N 5
(As amended by the Order of the Ministry of Health and Social Development of the Russian Federation of 03.10.2005 N 614)

Mechanic for the repair of equipment of boiler houses and dust preparation shops

§ 6. Locksmith for the repair of equipment of boiler rooms and dust preparation shops of the 2nd category

Job Description. Locksmith processing of parts according to 12 - 14 qualifications (5 - 7 accuracy classes). Cleaning, washing and wiping of dismantled parts. Production of simple metal and insulating structures. Delivery to the workplace, preparation for work and cleaning of metalwork tools, inventory, fixtures and materials. Collaboration with an electric and gas welder indoors in workshops, in an open area, in closed vessels. Cleaning surfaces for tinning and soldering. Disassembly, repair and assembly of simple elements and assemblies of the main and auxiliary equipment being repaired, lifting machines and mechanisms using simple metalwork and measuring tools and devices, repair and laying of pipelines with the installation of fittings and fittings, performing simple lifting work when moving equipment assemblies and parts under the guidance of a highly qualified locksmith.

Must know: principle of operation, location and purpose of the repaired equipment and its components; methods of performing work on disassembly, repair and assembly of simple components and parts of equipment; purpose and rules for the use of simple metalwork and measuring tools; dangerous places in workshops, protective and safety equipment when working with manual, pneumatic and electrified tools; rules for the installation of inventory scaffolding; simple rigging techniques; device and rules for using simple rigging means; rules for slinging loads of small mass; distinctive coloring of pipelines depending on the coolant medium; arrangement and layout of pipelines for all purposes, methods of their laying and fastening in channels, tunnels, on the ground, walls and columns; design and purpose of shut-off, safety and control valves; elementary information on materials science.

Work examples

1. Fittings - sealing of seals.

2. Details - filing within free sizes, cutting at different angles, threading, drilling holes.

3. Smoke exhausters - making patches for the hull.

4. Rivets - felling.

5. Collectors - removal of the ends of the cut pipes from the glasses, drilling holes and installing fittings for welding.

6. Manholes on gas ducts, smoke exhausters and fans - opening and closing.

7. Gaskets of a simple configuration made of asbestos, rubber, cardboard, paronite - marking and cutting according to the marking.

8. Dust feeders - body disassembly.

9. Bearings - relubrication.

10. Screen pipes - stripping of old studs for welding of new studs.

11. Pipes - checking with balls.

12. Sampling refrigerators - disassembly and assembly.

13. Gates - revision, replacement.

14. Elements of pipe heating surfaces - chamfering for welding, removal of a defective pipe section.

§ 7. Locksmith for the repair of equipment of boiler rooms and dust preparation shops of the 3rd category

Job Description. Disassembly, repair, assembly of simple components and mechanisms of the main and auxiliary equipment, lifting machines and mechanisms. Locksmith processing of parts according to 11 - 12 qualifications (4 - 5 accuracy classes). Production and assembly of simple units of metal structures according to drawings for welding. Drawing up sketches of simple details from nature. Preparation and installation of pipes for rolling or welding in headers and drums of boilers, preparatory work for flaw detection of welded joints. Marking and manufacturing of gaskets of complex configuration. Soldering with tin, gas cutting and welding of sheet and profiled metal of a simple configuration, gas cutting of a pipeline. Repair and adjustment of manual, pneumatic and electrified tools. Performing lifting work on moving, assembling, disassembling, installing parts and assemblies using simple mechanization tools.

Must know: arrangement of repaired equipment, used lifting machines and mechanisms; purpose and interaction of nodes and mechanisms; technological sequence of disassembly, repair and assembly of equipment; pipe rolling technology; ways of bending pipes on the machine and with heating; reading drawings and diagrams; basic information about gas and electric welding of pipes and filler materials; rules for joining pipes for welding; requirements for flanges, pipes, fittings, gaskets, fasteners, depending on the parameters of the environment; specifications for hydraulic testing of pipelines; rules for switching off and on pipelines for all purposes; device and purpose of a special tool, fixtures and measuring instruments of medium complexity; rules for hardening, refueling and tempering of metalwork tools; shaft alignment rules; tolerances and fits, qualifications and roughness parameters; rules for the operation of lifting machines, mechanisms and devices; elementary information on mechanics, heat engineering and electrical engineering.

Work examples

1. Valves of low and medium pressure, steam and water shut-off, regulating, safety - lapping and grinding.

2. Shafts - grinding necks.

3. Pulverized coal burners - repair with replacement of parts.

4. Smoke exhausters and fans - repair of guide vanes with replacement of parts, repair of volutes and pockets.

5. Keyway grooves - marking and fitting.

6. Explosive valves - replacement of plates.

7. Inventory scaffolding - assembly and disassembly in the furnace.

8. Hammer mills - replacement of beaters and beater holders.

9. Feeders of raw coal - replacement of scrapers.

10. High pressure steam lines - gasket replacement.

11. Dust pipelines - repair with the manufacture of straight and shaped sections.

12. Rolling and sliding bearings - replacement.

13. Gauge glasses - measurement, installation.

14. Screen pipes, wall pipes of radiant and ceiling superheaters - manufacturing and testing on the plaza.

15. Electrostatic precipitators - replacement of corona and collecting electrodes.

16. Pipes with a diameter of 200 mm - joining and fitting the ends.

§ 8. Locksmith for the repair of equipment of boiler rooms and dust preparation shops of the 4th category

Job Description. Dismantling, repair, assembly, adjustment, testing of components and mechanisms of the main and auxiliary equipment, lifting machines and mechanisms of medium complexity using complex pneumatic and electrified tools, special devices, equipment and measuring instruments. Production of various installation and marking templates. Hydraulic testing of repaired equipment. Locksmith processing of parts according to 7 - 10 qualifications (2 - 3 accuracy classes) with adjustment and fine-tuning. Making the necessary measurements when repairing heating surfaces, rotating mechanisms, dust preparation and furnace devices. Laying according to drawings and diagrams of pipelines of all categories in compliance with technical specifications. Identification of defects that occur on equipment and their elimination. Assembly, reconstruction and installation work on station pipelines and fittings in the operating shops of the power plant. Performing rigging work on the vertical and horizontal movement of units and parts using lifting mechanisms and special devices. Testing of rigging equipment and equipment. Participation in the performance of gas hazardous work.

Must know: detailed arrangement of the main and auxiliary repaired equipment, lifting machines and mechanisms, schemes of the main pipelines of boiler units; rules for performing work on the adjustment and alignment of repaired equipment; main equipment defects and methods for their elimination; pipe rolling rules; technical specifications for the repair, assembly and manufacture of complex parts and assemblies of boiler and dust preparation equipment; arrangement of rolling and sliding bearings; scope of pipes manufactured in various ways (seam, seamless, rolled, seamless); design features of special tools, fixtures and equipment used in the repair of equipment; requirements for the design of boilers and materials used for the manufacture of boilers, superheaters, economizers, pressure vessels and pipelines; rules for testing vessels and pipelines; safety rules in the gas industry; rules for withdrawing equipment for repair; issuance of a work permit; the main provisions of preventive maintenance of equipment; fundamentals of mechanics, heat engineering, materials science.

Work examples

1. High pressure fittings - lapping of O-rings, seat and valve, tightness test.

2. Fans - checking the density of the snail.

3. Pulverized coal burners of various systems - replacement.

4. Smoke exhausters and fans - repair of impellers with replacement of blades, manufacturing of blades and guide vanes.

5. Coils of economizers and superheaters - replacement of pipe sections, fabrication and assembly.

6. Ball and shaft mills - armor replacement, overhaul.

7. Mechanisms rotating - alignment with an electric motor.

8. Bearings - refilling the liner, determining clearances.

9. Dust feeders - overhaul.

10. Plazas for pipes of high pressure heating surfaces - marking and manufacturing.

11. Welded joints - installation of heating devices, caulking of thermocouples and heat treatment according to a given regime.

12. Pipes and coils - pressure testing.

13. Pipe sections are defective - insert manufacturing, sytkovka.

14. Screws - overhaul.

15. Flush slate shafts - density test.

16. Electrostatic precipitators - repair of shaking mechanisms.

17. Elements of multicyclones and wet scrubbers - replacement.

§ 9. Locksmith for the repair of equipment of boiler rooms and dust preparation shops of the 5th category

Job Description. Disassembly, repair, reconstruction, assembly, testing, adjustment, adjustment of complex assemblies, parts and mechanisms of the main and auxiliary equipment: heating surfaces, boiler drums, collectors, dust preparation and fuel supply mechanisms, pipelines of steam, water, gas, fuel oil and fittings of various parameters . Repair, assembly, adjustment, testing, adjustment and commissioning of complex units of hoisting machines and mechanisms. Locksmith processing of parts according to 6 - 7 qualifications (1 - 2 accuracy classes) with adjustment and fine-tuning. Checking the operation of rotating mechanisms, determining the dimensions of vibration and the causes that cause it, eliminating vibration. Hydraulic test of the boiler unit. Identification of defects, determination of the causes and degree of wear of individual components and parts of equipment, fittings. Determination of the suitability of parts for further work, the possibility of their restoration. Partitioning of particularly complex parts. Checking the operation of the main and auxiliary equipment after repair and putting it into operation. Performing rigging work on moving, assembling, disassembling and installing especially complex and critical assemblies, parts and elements of equipment. Performing gas hazardous work.

Must know: technical conditions for the development, repair, assembly, testing, adjustment, manufacture of particularly complex parts and assemblies of boiler and dust preparation equipment; rules, methods for testing equipment and its individual components for static and dynamic balancing of rotors; rules for hydraulic testing of boiler units, individual pipes, coils, pipelines; wear rates of individual elements and parts of the boiler unit; rules for rejecting pipes, worn-out components of rotating mechanisms; methods of heat treatment of welded joints and bends of alloy steel pipes; requirements for flanged connections, hatches and sealing surfaces in fittings, pipelines operating under pressure, working mechanisms, complex lifting mechanisms, lifting devices; assembly features, alignment of gears; measures to prevent premature wear of pipes of heating surfaces, armor of mills and smoke exhausters, bearings and other parts; rules for carrying out rigging work in the workshop.

Work examples

1. Regenerative air heaters - repair and replacement of pipes with pressure testing for density.

2. Smoke exhausters, fans, pumps, gearboxes - static and dynamic balancing of rotors and individual wheels.

3. Valves for steam boilers - disassembly, revision, restoration of seal parts, replacement of body and rod seals.

4. Impulse-safety devices of boilers - revision.

5. Boiler collectors - replacement.

6. Lever valves, safety valves - revision.

7. Boilers of various systems - external and internal inspection.

8. Mills - testing at idle.

9. Steam and power superheat regulators - revision.

10. Reducers - overhaul with the replacement of worm gears and spur gears with their adjustment and adjustment for pair operation.

11. Electrostatic precipitators - test after repair.

§ 10. Locksmith for the repair of equipment of boiler rooms and dust preparation shops of the 6th category

Job Description. Repair, reconstruction, assembly, adjustment and testing of particularly complex components and mechanisms of boiler units using particularly complex fixtures and means of mechanization, precision tools with a pneumoelectric drive, complex measuring instruments, rigging and vehicles. Checking the quality and compliance of the dimensions of the manufactured parts with the drawings. Repair and adjustment of fittings of various systems and parameters. Checking the boiler for steam density and adjusting safety valves, testing the boiler under load, restoring the sealing surfaces of high pressure steam and water valves, large sizes. Making measurements and filling out forms. Checking and preparation of repaired components and mechanisms of the boiler unit for testing, testing; participation in commissioning with commissioning under load. Organization of work on the repair and adjustment of equipment and repair devices, lifting machines and mechanisms.

Must know: technical characteristics, kinematic and hydraulic diagrams of the repaired main and auxiliary equipment; methods of repair, assembly, dismantling and installation, checking for accuracy and testing of repaired equipment; allowable loads on components, parts and mechanisms of equipment and preventive measures to prevent damage, corrosive wear and accidents; the main technical indicators of the normal operation of the boiler unit, the types of its main damage; schemes of the main steam pipelines, feed pipelines, fuel oil and gas pipelines; terms of examination of boilers, superheaters, economizers, pipelines, pressure vessels, hoists, cranes; methods for determining the quality of materials, the suitability of reinforcement, depending on the parameters of the environment; rules for testing and storage of rigging devices and equipment for lifting machines and mechanisms; the order and organization of work on the repair of boilers.

Work examples

1. Boiler drums - checking the separation device, checking the position of the drum relative to the horizontal axis and fastening.

2. Shafts of smoke exhausters - restoration with replacement of the bearing.

3. Bearing shells - checking the fit of the ball surface to the support pad.

4. Coils and screens of superheaters - cutting out defective ones, removing them from the furnace, installing new ones.

5. Safety pulse valves - repair and adjustment.

6. Rotary compressors - revision, repair of parts.

7. Working wheels of mill fans, rotors - static and dynamic balancing.

8. Ball mills - drum alignment, wheel grinding.

9. Dust pumps - revision.

10. Bearings - check and repair.

11. Sections of heat exchangers - hydraulic test.

12. Welded joints on the main pipelines and equipment - inspection during the hydraulic test.

13. Mill drive gears - replacement and alignment.

14. Furnace screens, bundles of boiler pipes, ash protection - inspection, check for dust and ash wear.

15. Cyclonic pre-furnaces - repair.

16. Gas tight boilers - repair of heating surfaces, burners.

17. Regenerative rotary air heaters - clearance adjustment.

18. Steam pipelines - repair, adjustment, adjustment of supports and suspensions.

When performing particularly complex and responsible work on boiler units of supercritical parameters -

7th grade.

Requires secondary vocational education for the assignment of the 7th category.