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| Application research on improving the maintenance rate of optical interference methane detector |
| Cui Xiaorong, Li Xiao |
| The First Mine of Pingdingshan Tian′an Coal Industry Corporation Ltd., Pingdingshan 467000, China |
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Abstract Based on the frequent water inflow in the gas chamber, the core component of the mine light interference methane detector, on the gas chamber glue required for repairing the gas chamber, after repeated experiments, it is concluded that the configuration ratio of rosin and vaseline oil is 7∶3. The gas chamber glue boiled according to this ratio has a bonding and repair effect on the gas chamber, and the tightness is 100%. Then in the process of re finding the light interference fringes, a set of quick and accurate maintenance operation procedures are summarized by using the light finding film of 1 cm wide and 5 cm long. The operation method is simple, practical and easy to master. After the technology is popularized, the maintenance rate of the optical interferometer is greatly improved, the annual material cost is saved by 105000 yuan, and the work efficiency is increased by three times.
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