The limestone wells that I have been waiting for for a long time will be officially put into operation on April 26, and the downhole ventilation system will be changed from the original central demarcation system to the two-wing angle ventilation. In order to ensure the smooth progress of this work, this measure has been specially formulated. First, the establishment of a lime blower to enable the wind adjustment leading group Team leader: Chief Engineer Yi Shaozhen. Deputy team leader: Mine Chief Song Dayong, Mechanical and Electrical Deputy Mine Chief Wang Qifu, Production Deputy Mine Chief Xiong Qihua, and Safety Deputy Mine Manager Li Gaoping. Members: Zhang Chuan, Chief of Biotechnology, Dong Wei, Chief of Security, Xu Weizhong, Head of Santong, and Su Fa, Chief of Electrical and Mechanical Services. Second, preparations before the adjustment of the wind: In order to ensure the normal operation of the lime hurricane well on April 26 and the smooth adjustment of the wind, the whole mine will be shut down for one day on April 26, and the following preparations will be made: 1. The deputy mine manager is responsible for adjusting the blades of the new fan to minus five degrees and testing the vehicle before April 20 to ensure that the new fan will operate normally. 2, led by the chief engineer Yi Shaozhen, one of the three defense director Xu Weizhong, one pass three defense supervision Dong Wei together on April 22 to check and accept the new underground facilities, found that the problem was rectified within April 23. 3. The safety supervision department is responsible for the complete inspection of the telephones in the main tunnels before the April 24th to ensure the smooth communication of the underground during the air conditioning. 4. The whole mine was evacuated to the ground except for the personnel preparing for the adjustment of the wind before 4:00 am on April 26, and the personnel preparing for the adjustment of the wind were before 7:00 on the morning of the 26th. Withdraw to the ground. 5. The electromechanical team is responsible for pumping out all the water in the well before the 4:00 am on April 26 and reporting to the dispatch room. 6. The head of the three-way defense department, Xu Weizhong, is responsible for removing the temporary damper in the limestone sluice well before the 6:00 pm on April 26, and all the permanent dampers of the lime hurricane well should be removed before the fan is opened. The fan butterfly valve is closed. Starting from 5:00 on the 26th, the damper in the ±0 south and north transportation lanes will be stopped and the local ventilator will be stopped, the damper in the south section of the +60 medium coal group, and the +130 yard damper. The dampers in the +130K5 South Lane are all open. Before April 25, the two positive dampers and two reverse dampers of the +130 China Coal Group returning to the wind back to the +130 outer coal group will be completed before 6:00 pm on April 26 The four dampers were closed and reported to the dispatching room on site. 7. Send one electrician and one pump driver to the +60 central pump house to cut off all power supplies outside the +60 central pump house at 7:30 on April 26 and be on duty. Third, the wind adjustment program 1. System changes. After the adjustment of the wind, the +130K5 transport lane, +130 longwall working face, the +60 level to the +130 level south end of the original ventilation for the opening of the air flow direction reversed, +130 medium coal group stone door and new work back wind The alley and the +130K5 transport lane are separated by a damper and a closed wall. The limestone hurricane uphill is changed from the one-head roadway to the south wing total return airway. There was no change in the direction of the wind flow in the rest of the well. For details, please refer to the Schematic Diagram of the Ventilation System before the Operation of Lime and Wind Turbines in Xiehe Coal Mine, and the Schematic Diagram of the Ventilation System after the Operation of Lime and Wind Turbines in Xiehe Coal Mine (Annex 4 and Annex 5). 2. Air distribution. It is expected that the operation of lime sluice fan will increase the inlet air of the mine by about 1500m3/min. According to the characteristics of the new system line, the ventilation resistance of the north wind well will be reduced. Therefore, the air volume of the north wind well fan will not be calculated temporarily, so the total air intake of the mine is not calculated. With the result of 1500 plus the latest wind measurement (April 10), the total intake air is 1060 m3/min is equal to 2650 m3/min. The distribution basis is based on the current number of faces and the characteristics of the working face. Pre-distribution of mine air volume, please refer to “Pre-allocation Table of Downhole Air Volume after Operation of Lime and Wind Turbines†(Annex 2). Fourth, the wind scene personnel organization The wind adjustment is divided into a fan start group and three test wind adjustment groups. The specific work assignments are as follows: 1. Fan start-up group: led by Wang Qifu, the deputy mine head of the electromechanical department, an electrician, two wind turbine drivers on the 26th of April at 8:30 am to the limestone fan room to stand by, immediately after the start of the general command to start the fan and Reporting, the fan was reported to the commander for half an hour after the operation of the equipment. The deputy head of the team, Ying Ming, took an electrician to the 2.5m winch room substation at 8:30 on April 26, and listened to Wang Qifu at any time. instruction. 2, a set of wind adjustment: led by the biotechnology chief Zhang Chuan (and wind tester), an electrician, an Anwar, two lane repair workers with drills, hand hammers, steel brazing, testing Wind gauges, calculators and other tools will be on standby at 8:30 am on April 26, and will be sent to the +130 yard in the future. The road is responsible for measuring the air volume of the inclined shaft and reporting to the dispatching room. Then, according to the instructions, the wind is measured and adjusted, and the results of the wind adjustment are reported to the general command at any time. 3. Measurement and adjustment of the second group: led by the production deputy mine chief Xiong Qihua (and wind tester), an electrician, an Anwar, two lane repairers with drills, hand hammers, steel brazing, wind measurement Tables, calculators and other tools will be on standby at 8:30 am on April 26th. After receiving the instructions, they will be surveyed by the pedestrians. They will be responsible for measuring the air volume of the inclined shaft and report to the dispatching room, and then according to the instructions to +60. The south and north transportation lanes of the China Coal Group will be measured, tempered, and the results of the wind adjustment will be reported to the general command at any time. 4, measuring and regulating the wind three groups: led by the security chief Dong Wei (and wind tester), an electrician, an Anwar, two lane repair workers with drills |, hand hammer, steel brazing, The tools such as wind gauges and calculators will be on standby at the dispatching room at 8:30 on April 26th. After receiving the instructions, they will go down the well and go to the +60 to ±0 dark inclined wells to measure the air volume. Report to the dispatching room, then go to the ±0 South and North transport lanes to measure and adjust the wind, and report the wind results to the general command at any time. 5. After the completion of the work of each test and wind regulation group, it will be on standby for gas emission preparation work. 6. After confirming that the work of each test and adjustment group has been completed, the chief commander informs the +60 central substation to supply power to each mining area. 7. All work must be contacted with the commander at the designated place in the underground. After each process is confirmed, the next process can be started. After all the work is completed, report to the well (or the post), and the work can be started after permission. The composition and division of the above personnel are detailed in Annex 1. V. Gas emissions: Divide the area according to the level of the well, and discharge the gas according to the gas emission measures. See Annex 3 for details. Attached: 1. "List of participants in the operation of lime sluice fan and adjustment of ventilation system of the whole mine" 2. “Pre-distribution of mine air volume after commissioning of lime sluice fan†3. Measures for discharging gas after lime-steam blower is put into operation and regulated by wind 4. Schematic diagram of the ventilation system before the operation of the lime mud blower in Xiehe Coal Mine. 5. Schematic diagram of the ventilation system after the operation of the limestone wind shaft in Xiehe Coal Mine. April 20, 2008
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Safety Technical Measures for Operation of Lime and Wind Turbines in Xiehe Coal Mine and All-mine Ventilation System
Mines are divided into districts and departments: