Standardized safety technical measures for installation of lighting lamps and pipelines in the entrance of the auxiliary bottom hole belt machine
According to the mine arrangement, I installed a team to install the 40-inch lighting and pipeline paint anti-corrosion work and the construction work of individual hanging points in the air inlet oblique lane of the auxiliary well bottom belt machine. In order to ensure the construction quality and construction safety, this safety technical measure is specially prepared.
Second, the preparation before installation:
1. Prepare the equipment and various materials and construction tools needed for the renovation of the lighting system, and ensure that they are in good condition and meet the engineering requirements.
Pulling a steel strand at a distance of 1.8m from the track surface opposite the step, pulling a steel strand from the rail surface 2.2m, and hanging the steel strands for the lighting in parallel, with a spacing of 400mm.
Every 60 meters is a rigging spiral rooting point (eye depth 800mm), marked with red paint, so as to open the anchor bolt, the bolt into the lane wall should not be less than 500mm, the wire rope nose at the root is clamped with 6mm wire rope clamp And tighten with a sling screw buckle.
Every 12 meters, the rooting point of a pair of hooks (the depth of the eye is 400mm), marked with red paint, so that the bolts can be installed in the eye, and the bolts should not be less than 300mm into the wall.
From the third end of the loader's tail-linking lane, every 3 meters is a pair of hook-and-hook rooting points (hole depth 400mm), marked with red paint, so that the anchor bolts can be opened, and the bolts should not be less than 300mm. This section is drilled in this way to hang the cable.
6. In order to make the hanging fixtures not fall, install a pair of hooks around the root of the wire rope every 12m. The lighting of the upper and lower leveling sections is installed at the top of the road.
7, by professional eye-catching according to the position mark, place the eye-catching equipment in the roadway. Make sure that the eye-catching equipment stands stable.
8. M18*600 and M18*400 anchor rods are machined on the ground for use.
Third, anchor construction safety measures
1. Before you open the drill, you must knock on the top of the drill, find the net raft, dangerous rock, and must carry out temporary support. When drilling the eye, the eye should be drilled according to the predetermined eye position. After the completion, the powder and water in the eye should be blown off.
2. The anchor rod arrangement should be perpendicular to the contour of the roadway, the angle between them should be no less than 75 degrees, and the anchoring force should be 100KN.
3. Use 0.5 roll of Z2380 anchoring agent for each anchor.
4. The anchoring agent must be stirred evenly, and the mixing time is 30~40 seconds.
5, when hitting the anchor eye, you must be on duty when the shift is an anchor, hit an anchor to ensure the quality of the bolt. It is strictly forbidden to pierce the skin or sew through the seams.
6. The wind hammer drill or anchor drill must be operated by four people. One person operates the machine. One person observes the top plate and replaces the drill rod. One person manages the wind and water pipes. One person pulls the drill with a rope to prevent the drill from standing unstable and falling from the inclined lane. Injury accident.
7. When adding or removing the drill rod, it must be ensured that the direction of the drill rod is consistent with the direction of the drill hole. When the drill rod is removed, it must be dismounted with a wrench. When the drill rod is removed, the person stands on the side of the eye position to prevent the drill rod from slipping and hurting people.
8. The eye-catching work should be carried out strictly according to the design of the eye position and angle. At the same time, the drill pipe should be marked to ensure the depth of the eye.
9. When bolting the eye, prepare the complete set of drill pipe in strict accordance with the regulations, and ensure that the direction of the drill pipe is consistent with the drilling direction.
10. Before installing the anchor rod, the eye hole must be blown off with the pressure air. When the pressure is opened, it is strictly forbidden to stand in front of the nozzle, and the nozzle should not be aimed at the person.
11. For the installation of anchoring agent, the specifications and model of the anchoring agent must be checked and it is not allowed to be used indiscriminately. The damaged drug pack should be disposed of in time, and the resin pack is strictly prohibited from contacting the open flame.
12. Before each shift, the mechanic must inspect and repair the anchor and wind hammer to replenish the oil to ensure that the equipment is in good condition.
13, high pressure hose to be U-shaped with a special card firmly connected with the wind pneumatic tools must be firmly binding iron wire, and a secondary protection against wind band off wounding
Fourth, lighting system installation
1. First, the electrical equipment is in place according to the design requirements.
2, cable laying according to design
1) The cable test complies with the regulations, the cable appearance is not twisted, the rust prevention measures are good, the insulation resistance 660V circuit is not lower than 5MΩ, and the 127V circuit is not lower than 0.5 MΩ.
2) The cable hook installation specifications and spacing are in accordance with the design, and it is neat, beautiful and firm, and the cable hook spacing should not exceed 1 meter.
3) Cable laying should be laid in strict accordance with the specifications and paths of the design. The cable and equipment are tightly connected and the wiring components are complete.
3, grounding system installation
1) using the ground line 40 × 4 galvanized flat iron, trunk mains lap length is not less than 80 mm, galvanized bolt connection.
2) The auxiliary grounding adopts a rubber cable of not less than 10mm? and is connected to the auxiliary grounding pole.
3) All electrical equipment enclosures are reliably grounded and have a grounding resistance of no more than 2 ohms.
4. In the wind flow at the working place, within 20M near the motor or its switch installation location, the gas concentration in the wind flow reaches 0.5%. The power must be cut off, the work must be stopped, the personnel should be evacuated, and the treatment should be carried out. The power supply should be cut off if the concentration of the gas exceeds the regulations. The electrical equipment must be energized when the gas concentration drops below the specified value, and the gas concentration should be detected within 20 meters before and after the winch.
5, mechanical and electrical equipment to prevent explosion, loss of insurance, prohibition of electrified maintenance, relocation of electrical equipment; maintenance and relocation of electrical equipment must be cut off the previous level of power, switch to stop position and lock, and hang "some people work, no electricity transmission "The blackout card, and there is a special person to care; stop the transmission must be processed in advance, and approved by the relevant units before proceeding.
6. Newly installed ZBZ-4 lighting integrated protection switch, the switch should be put on the shelves. It is required to be placed smoothly. The switch seal ring meets the requirements, and the unused bell mouth should be blocked.
7. Install 1 set of lighting every 15 meters, and install 1 set of lighting every 12 meters near the alley. The load cable required to enter and exit the luminaire is left with a margin of 200 mm. The bell mouth should be down.
8. The illumination lamps in each lighting circuit should be equally divided into three-phase circuits. The lighting cable ground wire should be connected to the lamp grounding terminal.
9. The lighting line is extended by 6.2mm wire rope and fixed on the wire rope with a nylon cable tie every 1 meter. The luminaires are hung straight and must not be skewed.
10. The idle bell of the last lamp should be sealed according to the standard.
11. When renovating the cable from the third port of the tail end of the loader, it must be standardized according to the cable. When rectifying, it should be completed from top to bottom, and the remaining cable will be left to the end of the loader. Remove the original cable hook and replace it with a new quad cable hook. After the cable is rectified, the illuminator is fastened to the outside of the cable hook with a nylon cable tie.
Five, paint anti-corrosion safety technical measures:
1. Clean the pipeline before construction, prepare different colors of paint and debug it according to different pipelines.
2. Place two effective dry powder fire extinguishers at each location where the paint is stored.
3. Prepare tools such as shovel and brush for painting, sprinkle water and dust around the painting site, clean up the debris within 20 meters of the construction site and carry out safety warning.
4, the paint must be stored in a cool, ventilated place, and ensure a good seal.
5, the painter wears the necessary labor protection to prevent the paint from splashing into the eyes and nose and mouth.
6. Before painting, the surface of the pipeline should be cleaned of dirt, grease, rust, and painted surface. The thickness of the paint film and the number of coatings should meet the design requirements: the paint layer is complete, no leakage coating and damage, and the paint film is covered firmly. No bubbles, no peeling, wrinkles, pinholes and other defects, uniform paint layer, consistent color, no dripping.
7. Carrying paint must be in original drums and cannot be carried in other containers.
8, paint, solvent handling must be handled with care.
9, because the paint is volatile and fat-soluble, if you feel dizzy or uncomfortable when painting, you should immediately go to a well-ventilated place to avoid suffocation and poisoning accidents.
10. Anti-corrosion work must be operated by anti-corrosion workers. Anti-corrosion workers should be familiar with the paint, solvent ratio and fire protection knowledge.
11, after the construction, paint is not used, the solvent should be promptly apply the closure, in order to reduce evaporation and prevent spilled flammable vapor increase the risk; upset immediately if clay, coal ash cover, the shade is transferred to the security The place was transported away, old cotton yarn and brush dyed with paint and solvent, and brought to the ground by anti-corrosion workers.
Sixth, other construction safety measures
1. During construction, it is necessary to apply for construction time, strengthen the contact with the winch team, and during the construction, set up the alert at the upper and lower mouths, and keep the guards.
2. The installation of the bolts is carried out by professionals to ensure that the bolt installation quality meets the requirements.
3, before hitting the anchor rod, you should pay attention to knocking on the top of the anchor to prevent the top plate from falling off and hurting the person. In the process of eye-catching, a special person should always monitor the roof. If there is an abnormal situation, stop the operation immediately and sprinkle it from the scene to prevent any accident.
4. Eliminate electrical loss and explosion, and prohibit electrical installation and relocation of electrical equipment (including cables). Before the inspection or transportation, the power supply of the upper stage must be cut off, and the electroscope should be used to check and discharge the electricity. The switch hits the stop position and locks, and hangs the power-off card that “someone works, no power is allowedâ€.
5, underground power supply should be "three no", "four have", "two Qi", "three full", "three insistence." (no chicken claws, no sheep tail, no joints; overcurrent and leakage protection devices, screws and spring pads, sealing rings and baffles, grounding device; cable hanging neatly, equipment chamber clean and tidy; protective device All, insulation tools, drawings and materials; adhere to the use of leak detection relays, adhere to the use of coal drill, lighting and signal protection, adhere to the use of gas and wind power lock.)
6. Cables and pipelines in the roadway must be laid in strict accordance with the requirements of the Electromechanical Quality Standardization Standard.
7. It is strictly forbidden for non-professional electricians to open various electrical equipment.
8. It is strictly forbidden for any person to dismantle the miner's lamp privately in the underground.
9, ascending the operation, to hang the insurance belt (rope), and to achieve high hanging low. If you climb a ladder with a ladder, you must have someone to support it. You must support it firmly.
10, special types of work must be certified to work, no permit is not allowed to work. It is necessary to strictly abide by all management systems of the company and Zhangji Mine. Strictly abide by the "three major regulations" and put an end to the "three violations".
11. During the laying process, the cable should be protected from nose and twist. The cable at the junction box should be left with a certain amount of space. The cable is hung with a cable hook. It is strictly forbidden to hang or bundle with a wire. Where the cable is prone to sway, tie it with a tie and slip it off.
12, the operation of electrical equipment must be certified to work, and to achieve "one person operation, one person supervision."
13. Strictly implement the system of power transmission and stoppage of Zhangji Mine. It is necessary to apply for an operation one day in advance. The power card must be suspended after the power failure. Before and after the stop and power transmission, it is necessary to report to the mine dispatching, and only after consent is allowed to operate.
14. It is strictly forbidden to wear chemical fiber clothes to go down the well. It is strictly forbidden to bring fire, cigarettes or other dangerous goods into the well.
15. Strictly implement the explosion-proof regulations of coal mines. Use qualified seals, baffles and retaining rings during construction. Unused device bells should be sealed as standard. Equipment wiring and cable head production should be standardized and beautiful.
16. The waste materials in the construction should be stored in a centralized manner and raised.
17. After the completion of each class of work, it is necessary to complete the work, clear the materials, and clean the site to achieve civilized construction.
18. When the comprehensive protection switch is checked, the application for the shipment will be assisted by the mine-balanced winch owner.
18. Before the explosion-proof lamps and lighting cables are hung, the appearance is cleaned up.
19. During the hanging process, live working is strictly prohibited.
20, installation and preparation of a team must have a deputy captain or more leaders to follow the class.
21. This measure is implemented by all construction personnel and construction management personnel and signed for the name.
Seven, disaster avoidance routes:
1. Avoiding flood routes:
Construction site→Auxiliary bottom hole belt conveyor wind-inclined alley→North-South coal bunker bypass→Central wind well safety passage→Wind well→Ground.
2. Avoid gas and fire routes:
Construction site→Auxiliary bottom hole belt machine inlet wind inclined lane→East wing track lane→Auxiliary well→ground.
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