A, underground electrical management
(a) underground electrical work should be "three elimination", that is, eliminate electrical explosion, eliminate unqualified cable hanging, eliminate electrical open wire, chicken feet, sheep tail, and eliminate major and above electrical accidents.
(2) The electrical control group is fully responsible for the management, supervision and inspection of underground electrical work, and has the power to examine and approve power consumption, cable, on-site inspection, trace electrical accidents and stop endangering safety.
(three) all the local fans of the underground tunneling head must implement the "three special and two locking" power supply, and implement the double local fans and double power supply, so that the mining power supply is separated. All power cables of local fans must be laid in the air inlet roadway with fresh air flow, and the power cables of local fans with series ventilation must be provided with disconnectors at the fresh air flow, so as to cut off the power supply in the air flow when discharging gas.
(4) The installation of the new mining area must have the power supply system design approved by the relevant leaders of the mine. The installation unit must construct according to the drawings, and the electric control group should supervise and inspect. Do not meet the design requirements, should immediately rectification, otherwise no power transmission. If the installation unit needs to change the design drawings of the power supply system during the installation, it must be approved by the relevant leaders of the mine before installation, otherwise the electronic control group will not sign and accept the installation.
(5) All underground electrical equipment must be chartered and signed. There is no special card, the card is not filled in or incomplete, the handwriting is unclear, and the wrong filling is all equipment defects.
(6) Electrical equipment should be placed on the stage, and two or more small electrical appliances should be placed on the board with complete parts, and the specifications of parts in the same position should be consistent. It is forbidden for the big cover to face sideways or the bell mouth to face upwards. Those who violate the above provisions are imperfect equipment.
(7) The setting value of short-circuit protection of feed switch must be consistent with the calculated value, nameplate value and actual value. The actual value is less than the calculated value for the defective equipment, and the actual value is greater than the calculated value for the explosion loss.
(eight) the short-term outage of electrical equipment should be cut off from the power supply and maintained by the power supply users. Newly installed equipment and equipment to be dismantled before handover shall be maintained by the installation and dismantling unit.
(nine) any unit does not use or no maintenance of equipment, cables and small appliances, should cut off the power supply, until someone is responsible for maintenance.
(10) Once an electrical fire or major electrical accident is found, whoever it is must immediately cut off the power supply and then report to the dispatching room.
(eleven) it is forbidden to switch the small hole to the 660V power supply (except the leak detection relay); It is forbidden to use the switching power supply and the load side terminal upside down; It is forbidden to use electrical equipment, cables and small appliances under overpressure. Once found, it must be rectified immediately, otherwise, it will be punished as a lost explosion.
(12) All kinds of safety protection devices used underground must be sensitive and reliable, including: short circuit protection, overload protection, leakage protection, grounding protection, belt conveyor protection, coal electric drill protection, lighting signal comprehensive protection, motor comprehensive protection, wind power lockout, etc. , and insist on testing and checking the leakage protection 1 time every day, and conduct remote analog leakage test 1 time every month, and measure the grounding protection 65438+ every quarter. Those who fail to pass the above protection should immediately cut off power or stop using it. The newly installed electrical equipment protection device is incomplete or unqualified, and it is not allowed to send electricity for operation.
(thirteen) it is forbidden to cold head underground cable. The damaged cable must be replaced with a lifting shaft immediately, or contacted for cold repair. The exposed core shall not be cold-patched, and no unit or individual may be cold-patched without authorization.
(14) The insulation resistance of underground electrical equipment and cables should be measured 65438 0 times a month, and the AC pipe group should be carefully recorded and kept. The unqualified insulation shall be treated or replaced immediately.
(15) All units must establish complete equipment maintenance records and accident analysis and tracing records, so as to sum up experience and learn lessons. ECDC monthly inspection 1 time.
(sixteen) the explosion-proof performance of underground electrical equipment, cables and small electrical appliances must comply with the relevant provisions of the "coal mine safety regulations" and "equipment integrity standards".
(seventeen) in violation of one of the following provisions, depending on the circumstances will be punished:
1. There is no special card for electrical equipment, the card is incomplete or incomplete, the handwriting is unclear, and the filling is wrong.
2. Electrical explosion or open connector.
3. Dump all kinds of safety protection devices.
4, the equipment is not reliable and continue to use.
5. Replace the fuse with other metals.
6, deliberately make things difficult, beat and scold, revenge tube personnel, the consequences.
7, DianGuanZu responsible for contact work, not seriously completed within the prescribed time limit.
8, switch hole from 660V power supply, equipment power supply load side upside down or overvoltage.
9. Failing to hand in the examination records on time.
10, switch, motor drenched with water, sundries or buried pressure.
1 1. Equipment and cables were burnt down due to disrepair.
12, the relevant units do not send mechanical and electrical personnel to participate in the monthly mechanical and electrical equipment inspection of the whole mine.
13. In case of power failure due to the fault of the electric controller, the administrative responsibility of the electric controller shall be investigated.
14, electric tube group to strengthen the management of underground electrical equipment, must organize the inspection of underground electrical equipment twice a month.
15. In electrical management, the electrical control group should strictly implement the system. In case of major electrical accidents due to dereliction of duty and poor management underground, the person responsible shall be investigated for responsibility, and the position of leader of the electronic control group shall be removed.
16. The rewards and punishments for electrical safety management are located in the financial and labor departments, and are issued by the ECFM. The certificates are held by the electromechanical mine manager and the electromechanical vice president. No department or individual may use any excuse for other purposes. The fine shall be made in triplicate, each held by the Finance and Labor Department, the Electronic Control Group and the penalized unit 1 copy.
(eighteen) the scope of responsibility for maintenance and safety of underground power supply.
1, underground central substation and each mining area substation (mobile substation) shall be the responsibility of the mechanical and electrical department.
2. Connect the 660V and 1 140V power supplies from the underground substation, and the user shall be responsible for connecting the following terminals of the feed switch from the substation.
3. 10kV high voltage cable is led out from the mining substation to supply power to the shift transformer or high protection switch in the mining area. The user is responsible for the self-moving transformer or high-voltage switch, and the electromechanical department is responsible for the high-voltage cable from the mining substation to the self-moving transformer or high-voltage switch (including connectors).
4. When several units * * * use a 660V power supply line, the first user is responsible for maintaining the cable equipment and small appliances from the substation to the first user, and the second user is responsible for maintaining the cables and small appliances from the first user to the second user, and so on, and the new power supply line will be maintained by the new user in the future.
Safety measures for electrical work
In order to ensure the purpose of "safety first" and ensure the safety and health of workers in production and the safe operation of power systems and equipment, the following safety measures are formulated: I hope they will be strictly implemented at work.
1, the staff must wear qualified labor protection articles (such as safety helmet, work clothes and insulated shoes) before taking up their posts.
2, the staff commonly used tools must be in good condition, meet the requirements, when operating high-voltage equipment must wear insulating gloves, wear insulating boots and stand on the insulating mat (Taiwan).
3. Before on-site work, the staff must apply for a working ticket and take safety measures (such as power failure, discharge, electricity inspection, someone working, no closing of the board, etc.). ). After the work is completed or there is no one on the whole line, the safety facilities can be removed after inspection.
4, stop sending to designated persons responsible for contact, it is forbidden to send letters, telephone contact.
5, aerial work (more than 2 meters) to fasten the qualified danger zone, to prevent accidents.
6. Before lifting, all lifting equipment must be inspected in detail, and they must be in good condition and meet or exceed the tonnage of the lifted items.
7. When using an instrument, use an instrument that meets the voltage level for testing.
8, staff during work, must concentrate, obey orders, obey orders, it is forbidden to play or do things unrelated to work.
9, staff work, must strictly abide by the "electric safety regulations" and "coal mine safety regulations".
Provisions on penalties for electromechanical safety
In order to further strengthen the management of mechanical and electrical safety, control mechanical and electrical accidents in the bud, put an end to major mechanical and electrical accidents, and do a better job in mechanical and electrical safety, the Provisions on Mechanical and Electrical Safety Fines are formulated.
1. The person responsible for the following problems shall be fined 500 yuan.
1, underground electrical equipment explosion;
2, underground live operation, electrical equipment open flame operation;
3, underground cable chicken feet, sheep tail, open joint, broken line;
4, gas concentration overrun, not in accordance with the provisions, downtime, power failure;
5. Failing to check electricity, discharge, hang grounding wires or warning signs and tamper with electrical equipment during power failure;
6, 10 meters near the electrical equipment gas concentration more than 0.5% charged maintenance;
7, charged maintenance or visual inspection of high voltage electrical equipment;
8, underground car or in violation of the provisions of the sender;
9, underground unplanned random power outage;
10, part-time and on-duty electrical personnel operate electrical equipment without authorization;
1 1. Mechanical and electrical personnel operating voltage electrical equipment did not wear labor protection articles when they took up their posts;
12, the cross section of cable core is not enough to overload users;
13, mechanical and electrical equipment protection is incomplete or invalid, get rid of protection or find protection failure to continue users;
14, open the electrical equipment inspection without checking the gas underground;
15, explosion-proof electrical equipment has not been explosion-proof inspected, and the explosion-proof certificate is not attached to the well;
16, the operator failed to implement the two-vote system of Electrical Safety Work Regulations;
17, transportation of materials and spare parts by valves and belts without measures or without measures;
18, the valve head and tail are not fixed;
19, the cutting head did not fall to the ground when the roadheader was stopped or overhauled;
20, emulsion automatic liquid preparation device can't be used normally;
2 1, the electrical protection device of shearer has no locking valve or locking failure;
22. The operator did not signal or press the signal before starting the machine;
23. Replace the relay protection customizer at will;
24. Unreasonable setting of electrical equipment or unreasonable insurance;
25, underground electrical equipment and small electrical appliances serious explosion charter;
26, not according to the "electrical safety work regulations" two-vote system for the operator;
27. Operators who pull disconnectors with loads;
28, the operator did not eliminate the fault equipment and forced transmission;
29. Those who move electrical equipment with electricity, those who move high-voltage cables with electricity, and those who do not use safety appliances during operation;
30, maintenance equipment without power failure, not locking switch;
3 1, the operator stands on the fuselage without disengaging the clutch and locks the mining machine and hydraulic drilling rig;
32. Opening the locked transmission regulations without permission;
33. Not an electrician but casually operating mechanical and electrical equipment;
34, remove the three major protection or failure equipment and continue to use;
35, the rotating part of the equipment, no protective cover operator operation;
36, equipment operation, belt operation, on the equipment, belt across;
37. Operators who enter the site without locking the valve;
38. Other recognized third-level offenders who walk seriously.
Two, the responsibility of the following issues shall be fined in 200 yuan.
1, the downhole electrician did not carry the tile detector, unqualified electrician tools and electric pens when he was on duty;
2. If there is no testing instrument for emulsion or the emulsion ratio is unqualified, the booster pump will continue to be used after emptying;
3. High-voltage insulating gloves, shoes and electroscope are not tested within the specified time (one year);
4. Over-current protection and pressureless tripping of high-voltage equipment are not checked within the specified time (one year);
5. Change the internal terminals of explosion-proof electrical equipment or increase or decrease electrical components at will;
6. Replace the insurance and protection required by the equipment with other materials;
7, underground grounding system is incomplete, unreliable or grounding does not meet the requirements;
8, grounding wire, connecting bus material is unqualified, buried incorrectly, grounding resistance does not meet the requirements;
9, electrical equipment wires or connectors appear virtual connection, connector deformation or connector fever;
10, high-voltage switchgear without lighting;
1 1. The leak detection relay is unlocked, not lit, and the instrument indication is inaccurate;
12, the temperature of the substation chamber exceeds 30℃, and there is no qualified thermometer;
13, underground cavern adopts light bulb for heating;
14, the high-voltage armored cable is not regularly corroded, resulting in corrosion, peeling and unqualified hanging;
15, different types of cables are directly connected;
16, the hydraulic support is dead;
17, the scraper winch is in poor condition, and the wire rope has broken wires and strands;
18, the wire rope fixation of the scraper does not conform to the operation procedures;
19, there is no lighting between supports in fully mechanized mining face;
20. The high-voltage safety interlock button of the shift transformer has not been put into use;
2 1, the valve chain does not use chain tensioner;
22. Sit on the reducer and drive the belt and valve;
23. The nose and tail of the valve are not fixed firmly and are not used firmly;
24, with wood, iron processing belt running deviation;
25, the valve drift chain is running, with pedals, handle, crowbar forced processing;
26. The cutting head failed to land in time after the machine stopped;
27, with a coal electric drill, pneumatic drill drilling gloves collar drill pipe;
28. Contact lifting operation without signal operation;
29. The post driver is not certified;
30. Equipment cables are buried by sundries;
3 1, person in charge of wire joint deformation;
32. Personnel responsible for handling the general loss of electrical equipment explosion;
33, in order to get rid of some protection, change the setting value at will;
34. The materials of explosion-proof disc and fusible plug of hydraulic coupling are not in conformity with the regulations;
35, high voltage and low voltage insurance with other materials instead;
36. Those who tamper with electrical equipment without checking electricity after power failure;
37, not according to the actual operation ticket, working ticket content for the operator;
38. Users whose electrical tools do not meet the voltage level of maintenance equipment;
39, underground maintenance, installation without measures;
40, boring machine, hydraulic drilling rig, side mounted without lighting operators.
4 1, when lifting heavy objects underground, people stand below the falling range at noon or there is no special person to direct them, and no signal is needed to contact the lifting operator;
42, processing unit power supply is not broken and remove the handle or someone working within the operating range of the unit;
43. Operators such as rock rakers and rock loaders who thread steel wires beyond the prescribed limit (10% broken strands and bumps);
44, start the fully mechanized tunneling machine, reprint machine failed to evacuate personnel according to regulations, or enter the operators on both sides of the reprint machine in the operation of the machine;
45, do not use signal contact, but use knocking, shouting to start the equipment;
46, all kinds of drivers improper operation;
47, the competent section chief at least twice a week, mechanical and electrical mine manager at least once a week.
48, all kinds of drivers don't take off the clutch when they leave their posts, and the switch is not at zero.
49. Other three offenders who are considered to be ordinary in nature.
Three. The person responsible for the following problems will be fined 100 yuan.
1, various drivers failed to check or test various protective devices according to regulations after taking up their posts;
2, not according to the provisions of the operating procedures;
3. The grounding resistance and stray current are not tested once every quarter or recorded incompletely;
4, substation cavern maintenance did not perform working ticket;
5. There is high-voltage equipment in the cavern, and non-working personnel are not allowed to enter or have high-voltage danger;
6. The personnel on duty in key positions leave their posts, sleep in their posts or do things unrelated to their work;
7, post personnel are not in post succession;
8, mechanical and electrical equipment, small appliances, miner's lamp is not in good condition;
9, cable cold patch quality is unqualified;
10, the number, purpose, voltage and cross section are not indicated at both ends of cable branch points or junction boxes connecting different cables;
1 1, mobile electrical equipment is not on the shelf or more than two small appliances are not concentrated on the board;
12, all kinds of conveyor lap unreasonable or back to coal;
13, the weld of the support is cracked;
14, the comprehensive protection of coal electric drill failed to implement the provisions of the trip test once per shift;
15, the layout of electromechanical equipment and cables in the substation cavern is unreasonable, which is not convenient for maintenance;
16, buttons (knobs) of various mechanical and electrical equipment are not in good condition;
17, the standby equipment is in poor condition;
18, the electrical equipment is not placed neatly, and the inclination exceeds 15 degrees;
19, mechanical and electrical personnel did not wear labor protection articles when they took up their posts;
20, installation, recycling equipment is not familiar with the equipment structure, in violation of the technological process;
2 1, the installation and recycling equipment is forcibly installed or dismantled without using the specified tools;
22, inoue, underground duty records fill in the missing items, missing items responsible;
23, not according to the post should know should be stable operation;
24. Do not register when entering key places;
25, track insulation can't test once a month;
26, leakage relay is not according to the "coal mine safety regulations" test;
27, electrician operation, personal labor protection is not complete, does not conform to the provisions;
28, inoue fill in the lost items on duty, lost items responsible;
29, enter the key places unregistered or irresponsible on duty;
30. Clean up the site after maintenance or before counting tools, and contact the power transmission operator;
3 1, the person in charge of all kinds of instruments indicating abnormality and equipment still running;
32. Three other criminals who are considered minor in nature;
33, quality standardization inspection, who do not meet the requirements of quality standards, general problems each fine 50 yuan (equipment is not in good condition as a secondary problem).
Four, the responsibility of the following circumstances is doubled.
The city, county and company will double the fine for the problems still existing in the inspection of various mines.