SY 6516-2001 Safety regulations for electric welding in the petroleum industry
Some standard content:
Record number: 9589-2(H11
Petroleum and natural gas industry standard of the People's Republic of China $Y 6516--201
Rules for safe operation of
Electrical welding in petroleuru industry20-09-24 Issued
National Economic and Trade Commission
2001-01-01 Implementation
SY6516:2001
In order to standardize the electric welding operation of the oil and gas industry and reflect the special characteristics of the oil and gas industry as much as possible, the safety and technical requirements of electric welding operation are comprehensively considered and carefully selected to better meet the needs of the oil and gas industry and make the oil industry electric welding operation more competitive. In order to improve the safety and health conditions of welding workplaces, and in line with the reform and opening up of the economy, this standard is specially formulated. The standard is proposed by the Technical Committee for Standardization of Industrial Safety. Standard drafting unit: China National Nuclear Corporation. The main beneficiaries of this standard are: China National Nuclear Corporation, ... 6516-2001
The following standards contain the following clauses, which will become the provisions of this standard through extensive reference in this standard. The standard versions and the numbers shown are valid. All standards are subject to revision. The use of this standard should consider the possibility of using the latest technology of the following standards. 1VT3609.1-1594 Welding eye and face protection 3 Definitions
This standard applies the following definitions.
3.1 Good connection
Suitable for adding strength or adding, or occupying pieces: No need to install filling materials on the day of production, so that the workpiece can be sent to the original wide combination of processing 3.2 Welding work wwW.bzxz.Net
According to the given joining process, the whole process is completed with various actions. When the board is isolated, the welding method of igniting the connection is carried out by holding a coal torch, a short circuit or a short circuit. 3.5
The welding method of completing the whole welding work by the welding device or a welding device 3.6 The welding method of burning the arc in the flux layer. 3.7 The arc of the welding is protected by adding gas as a dielectric and protecting the arc of the welding, referred to as gas shielded welding, 3.8 Plasma welding
||With the help of water-cooling nozzle, the energy-saving effect can be achieved, and the furnace can be turned over more efficiently. 3.9 Electric resistance welding method: the root of the active suction shape can be discharged, which can be divided into wire electrode electric trace welding, plate induced electric slag lamp, molten gas electric cleaning welding, 3.10 Underwater return
in the middle of the track; rolling is eliminated, and it can be divided into ten types according to the water support method, which can be divided into three types: 3.11 Resistance furnace
After the T parts are combined, they are pressurized by the electric garbage court, and the seven currents are passed through the head and the adjacent room. The method of heat-resistance welding produced in the region, approved by the National Economic and Trade Commission on September 24, 2001, 22--0 implementation, SY6516-20, has been used since the first (or reduced) welding and conduction current for torch welding: 3.13 The welding wire and current are sent by the welding machine, which needs to be equipped with the functions of shielding gas, fire and other functions (devices and agents), 3.14 The welding machine head also contains a furnace gun or other parts, generally with a wire straightening mechanism, sometimes with a swing or machine. 3.15 The nozzle of the welding gun or the nozzle head, the shielding gas or combustible gas is ejected. 3.16 Welding smoke is the smoke-like pseudo-particles produced by the evaporation of the incandescent material during deep welding, and the release of harmful gases such as CD, NO, HF and C produced by the metallurgical reaction of the materials. 3.17 Welding smoke is the smoke-like pseudo-particles produced by the incandescent material during deep welding, and the harmful gases such as CD, NO, HF and C are released by the materials during metallurgical reaction. 3.18 Welding smoke is the smoke produced by the incandescent material (such as source rod, welding torch, etc.) per unit amount during deep welding, and the smoke produced by the incandescent material (such as source rod, welding torch, etc.) per unit amount is only 3.19 Welding smoke is the smoke produced by the incandescent material (such as source rod, welding torch, etc.) per unit amount, and the smoke produced by the incandescent material (such as source rod, welding torch, etc.) per unit amount is only 3.10 Welding smoke is the smoke-like pseudo-particles produced by the incandescent material (such as source rod, welding torch, etc.) per unit amount, and the smoke-like pseudo-particles produced by the incandescent material (such as source rod, welding torch, etc.) per unit amount is only 3.11 Welding smoke is the smoke-like pseudo-particles produced by the incandescent material (such as source rod, welding torch, etc.) per unit amount, and the smoke-like pseudo-particles produced by the incandescent material (such as source rod, welding torch, etc.) per unit amount is only 3.12 Welding smoke is the smoke-like pseudo-particles produced by the incandescent material (such as source rod, welding torch, etc.) per unit amount, and the smoke-like pseudo-particles produced by the incandescent material (such as source rod, welding torch, etc.) per unit amount is only 3.13 Welding smoke is the smoke-like pseudo-particles produced by the incan 3.22 Use a professional or professional to neutralize the electric arc generated in the workplace and blow it out with compressed air. 1. The solution to the problem of metal splashing during work is to filter out the harmful light to women's face and collar. 1.24 Select a light-sensitive agent. A light-sensitive black glass can be used to block harmful light to children. It can be used directly or indirectly. 3.25 Anti-glare glass. A kind of colorless transparent glass that is covered on the outside to protect the glass from being damaged by long-term use. 3.26 Use a special glove to protect the work part from being damaged and to prevent electric shock. 3.27 Foot protection
Protective torch "The Ministry of Posts and Telecommunications does not use labor protection crystals. 4 Electric welding safety technology
4.1 1. Only
4.1.1 Introduction and years of welding
4.1.1.! Welding knowledge The welding wire should be easy to operate, and the quality of the welding wire should not be used by people. 4.1.1.2 The welding pin and welding gun must have good insulation and heat performance: 4.1.1.3 The connection between the welding gun and the welding gun must be simple and good, and the reverse connection must not be allowed Exposure: 4.1.1.4 The welding compensation should ensure that the upper level or 45, the direction can be tightened, the replacement is convenient, 4.1.1.5 The water-cooled system should ensure that the performance is intact, the cooling system water quality should not be less than 1.71./mm, and the flow should be used as a protective device. 4.1.2 Cable connection
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4.1.2.1 The connection number has a good single-insulation outer layer, and the insulation voltage can be less than [M! 4.1.2,2 The connection should be light, solid and practical, easy to operate: the welding core should have good mechanical properties, fast performance, heat resistance, corrosion resistance, 4.1.2.3
4.1.2.1 The cable length of this connection should be appropriate, 30-30 is appropriate, 4.1.2.5 The electrical connection should have appropriate gingival area, as specified in the notes, the welding length and area can be selected according to the table 1, table! The length of the power supply is 1m1, area, um, 4.1.2.6 The use of the root conductor in series, in special cases, the number of heads shall not exceed 2, 25, 4.1.2. In order to avoid high temperature damage to the connecting cable, the ground control device shall be adopted: 1.1.2.8 During on-site welding, the connecting cable is strictly prohibited from mixing with other items such as gas welding belts and electric wires. 4.1.2.9 Regularly check the overall performance of the electric relay, and the effective cycle is once every six months. 4.2 Select the frequency according to the welding process requirements, the no-load stop should be less than or equal to 90V. 4.2.2 The current has a unique control device. 1.2.3 Make sure the machine lines are strong and the wiring should be arranged with high-voltage isolating and protective devices. 4.2.4 The live parts of the welding machine's lines shall meet the insulation requirements for the external environment and the resistance between them, between the primary and secondary of the arc transformer, between the machine and the structure, and between the lines. Their resistance values shall not be less than IM1.2.5 The welding contacts and connectors shall be connected firmly. 4.2. (The welding machine should be placed in a waterproof, isolation and well-ventilated machine room or room. 4.3 Safety device
4.3.1 The welding machine should have a good frame protection, and the ground should be left in place. 4.3.2 Install a safety device
1.3.3 The vibration control device should be installed in a clear and convenient position for operation. 4.4 Direct operation safety technology
4.4.1 Technical requirements for welding
4.4.1. The explosion control device can only be installed in a complete order. 4.4.1.2 The floating body shall not be sent to the melting point. The call guide shall be stopped. $Y 6516—2001
4..1.3. Receive welding rules: Replace the damaged parts and modify the primary circuit, transfer the working point, replace the fuse, and inspect the coal machine in case of failure. 4.4.1.1 When welding in a small limited space such as a metal gang or trench, first conduct detailed air preparation and ventilation. The machine must be supervised by a dedicated person. 4.4.1.5 When using a pressure chamber gas cylinder, take safety measures to prevent the gas cylinder from igniting. 4.4.1.6 Equip the welder with personal equipment that meets safety regulations, including work clothes, gloves, shoes and complete sets of equipment. 4.4.1.7 The installation of various welding equipment must be completed. 4.4.2 Fuel container supplement and inspection should be carried out by a certified electrician 1. 4.4.2.1 Before changing the fire, formulate the relevant safety measures, the emergency plan and the approval of the fire protection department: 5) Separate from the trap; Control the content of pollutants: Clean the container: e) Gas sampling, temporary approval: Open the manhole, the hole, the cleaning hole and the sensitive tube and other openings. 4.4.2.2 Do not change the fire!
) Before starting a fire, formulate safety measures and emergency response plans according to the approval, and the fire protection and rescue departments shall coordinate: b) Designated person to supervise the control system;
, designated person to test, analyze and control the oxygen content; e) Positive pressure probe:
4.4.3 Welding at heights
4.4.3.1 When approaching loaded or bare wires or low-voltage wires less than 2.5m away, there should be no supervisor at the work site, and the welding filter switch should be installed near the supervisor. The welding industry should use the standard fire plan. 4.4.3.3
The ladder should meet the safety requirements. The ladder foot should have floating and anti-falling measures. 4.4.3.4
4.4.3.5 The welding plan and tools used should be placed in the upper and lower bags. They should not be thrown down. 4.+.3. In the range of welding sparks, flammable and explosive items should be completely eliminated. After the workstation is closed, check whether there is any fire. Confirm the safety film before leaving. 4.4.3.7 Do not operate with tools, cables, etc. 4.4.3.8 Personnel working at heights must undergo health inspection. People with amnesia should not engage in high-altitude operations: 4.4.4 Underwater welding operations
Special safety procedures should be formulated for underwater welding operations. 4.4.5 Gas shielded welding
4.4.5.1 Check the insulation performance of welding machine contactor, breaker, welding gun chuck, nozzle, etc. 4.4.5.2 For high frequency welding machines or those equipped with high voltage delay devices, the torch should be connected with a copper mesh and can be grounded: 4.4.5.3 Before using the welding machine, check the gas and water supply systems. It is not allowed to operate under the condition of adjusting water and gas. 4.5.4 The high pressure gas cylinder containing the protective gas should be carefully fixed. 4.4.5.5 When the magnetic dioxide in the gas cylinder is fully vaporized by electric heat, the voltage is 10 or 16V, and the light can be turned on. When the work is completed, the power supply and gas source are cut off immediately. 4.4.6
4.4..1 The welding cable will be calibrated according to the current capacity. The contact points of all parts of the welding machine are good, and the insulation performance can be saved. 4.4.2 The welding flux is continuously covered, and the material-nourishing and absorbent agents are fully applied. 4
SY6516—2001
4.4.6.3 Semi-automatic welding should be carried out in accordance with the safety regulations, 4.4.6.4 When adjusting the wire feeder model and the standard 1 car: the second shaft and the wheel of the W feeder should be equipped with an electric welding machine, and the control door should have an interlocking structure. 4.4.7 Electric seat car
4.47.1 All electric welding machines equipped with electric welding machines should have a tight control pin. 4.7.2 Multiple-mode, multiple-mode 1. Alarm machine, emergency button + 4.7.3 The stand of portable welding machine should be able to withstand the number of times of operation, and the size of the whole machine should be strong and resistant to the danger of falling. 4.4, 4.7.5 Welders using external water-cooled welding machine should wear protective boots during work. 4.7.6 After the furnace connection work is completed, cut off the power supply, and extend the cooling time for 1 (min before turning off. When the working temperature is low, the hidden water circuit should be drained. 4.+.8 Carbon
In the test room, use micro-drive gas to quickly create III, and appropriate measures should be taken, such as network monitoring, rotation operation, etc.: Before the operation, the main business is to remove the thick industrial area, so as to avoid large flowers flying disasters
4.5 Hui welding
4,5,1 Jin enterprises have designated fire-forbidden areas (non-port, joint station, gas injection line, etc.) to avoid some welding operations with sensitive agents. 4.5.2 During welding, flammable materials must not be piled up. There must be no holes or explosives near the welding surface. There must be no explosives in the welding area. 4.5.4 During welding, flammable and explosive gases must not be formed. 4.5.5 There must be enough explosive materials in the welding area. Dense singeing can choose the enterprise's large and fine equipment.
4.5.6 Complete the work in time according to the price, please remove the fire, and leave the site after the special person checks the safety of the production. 5 Welding labor hygiene and protection
5.1 Protection of electric radiation
5.1.1 When entering the protection station, the sound and personal protection products should be installed! ! 5,1.2 Set up process protection machine, in the fixed regulation of welding parts, a weak control screen should be installed, and the corresponding materials should be made of cotton, sprayed glass fiber cloth, thin iron sheet, etc., except for the color package ,
5.1.3 Use absorbent materials as the inner wall of the joint surface, 5,1.+ When in a car: ensure sufficient follow-up time, 5.2 Dust protection
5.2.! Reasonable organization of labor and work layout, make full use of natural ventilation, 5.2.2 Welding workshop or welding technology and large, welding machine in the work point, should be fully ventilated 5.2.3 When the release device or enterprise Zhuli Ye system, use ventilation before. 5.2.4 Buy new electricity, expand the semi-automatic welding Make the moon rise, push! 5.3 High frequency mid-field protection
5.3.1 Welding parts are well grounded.
5.3.2 Correct dredging selection and reporting efficiency:
5.3.3 Reduce high steel working time.
5..4 Reduce the temperature of the operation, wet stock: 5.3.5 Pool opening number:
5.3.6 Absolutely good
5.4 Top radiation absolute anti-expansion
, 4.1 About the number of reductions in the special marking pin
SY6516—3001
5.4.2 Formulate reasonable working specifications, to prevent excessive burning of needles, 5.1.3 Use the lamp at a high rate, do not open the accumulated body: for the landing piece, buy the air supply when necessary, etc., S.4.4 There are new grinding wheels, no people are allowed to wear double work, use masks, and the working place should be cleaned regularly. Needle dust should be handled in depth
5.4.5 Use materials that are not edible and are used as electrode materials: 5.5 Welding according to the precautions | |tt||5.5.1 When adopting industrial treatment, first test the air composition in the container and ensure that the gold content is above 19%. 5.5.25
When coal workers are in the container and the pipe is rotten, there should be someone to supervise them. The equipment should be rotated under the condition of chemical material. The sound channel should not be replaced. The welder should wear a deaf-proof mask and operate on the 1st side of the wind. 5.5.3
Make sure that the return air is not dehumidified and there is no sound of steam. Set up a warning lamp. 5.5.4 f
When welding equipment that has been degreased or degreased, the installed parts shall be arranged in a row, and the paint layer around the seam shall be cleaned first: 5.5.5
5.5. Section Industrial Hygiene Requirements, regular physical examinations shall be conducted on welders, and physical examination records shall be kept properly. Those who are not suitable for continued work shall be transferred from their posts to a safe and appropriate level. 5.6 Workers' protective equipment
Eye and head protective equipment
Collect Rui (correct 3【requirements, select appropriate working clothes according to the requirements of Table 2 T expansion date optical reading film washing table
Original dial, A
Original cutting system inflammation
Electric steam welding
Carbon sheet example
Include assistant worker
2-31 -75
>75 -·2u0
Eating film light number
>200·400
5.6,1.1 Ye Shangchuan masks are available in two types: lifting type and head-cut type. The face should be in the upper part and the structure should be reliable and leak-proof. 5.6.1.2. Head-type welding is usually used for electric welding or welding equipment. The display should not exceed 565.6.1.3 Auxiliary workers should select masks and protective gear with appropriate shading performance according to working conditions. 5.6.1.4 Preparation and cleaning work for coal welding, such as grinding glass mouth, eliminating welding slag, etc., use weak protective glasses with broken parts or pieces of lenses. 5.6.21 Work order for welding, select the color of the door to be strong, 5.6.2.2 Gas shielded welding, use work clothes made of woolen or other fabrics, 5.6.2.3 Welders working in this position should be equipped with leather work clothes: 5.2.4 Overhead welding is equipped with inner, protective, long-sleeved, apron and furnace feet, etc. 5.f.3 For cold
5.6.3.1 The selected leather single, cotton single or leather single material should be resistant to 1000% and heat and radiation. 5.0.3.2 When welding in a conductive place, the bottom cover and protective shoes with qualified performance should have insulation, heat resistance, non-flammability, wear resistance and slip resistance. 5.7 Health and safety measures 5.7.1 Detect various harmful factors in the workshop and outdoor air, and evaluate the effectiveness of various welding and ventilation devices and other health and safety equipment: 5.7.2 Establish a health file for welders, and they should experience qualified experience before employment, and conduct regular health checks after employment. 4. When working in a welding position, the welding position should be adjusted in time according to the "suitable welding" standard.
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