The quality assurance of explosion-proof water bags used in coal mines is mainly based on the hanging standards of explosion-proof water sheds

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April 3, 1989occur inFengcheng Mining Bureau Pinghu Coal MineThe gas caused by blasting in the 3123 excavation face played a crucial role in the coal mine's installation of explosion-proof water bag sheds as requiredExcept for the gunner who fired right outside the blast wall and was injured by the collapse of the blast wall, nearly 100 miners outside this roadway and adjacent mining faces were only frightened by the wave and did not cause any fatalities.So, please do not ignore the role of coal mine explosion-proof water bags.

Installation method of explosion-proof water bag sink ：

1. Installation method of sink (bag) shed; It can be suspended or supported, or mixed The principle is that water is prone to splashing out when subjected to impact force The layout should comply with the following regulations:

When the cross-sectional area S is less than 10m2, NB/L × 100>=35%

When the cross-sectional area S is less than 10m2, NB/L × 100>=50%

When the cross-sectional area S is less than 10m2, NB/L × 100>=65%

The number of water tanks (bags) on the N-row shed in the formula; B-width of windward section of water shed; The width of the horizontal roadway where the L-water shed is located

2. The sum of the gap between the sink (bag) and the gap between the sink (bag) and the support or roadway wall shall not exceed 1.5m, and shall not exceed 1.8m. The gap between two sink (bags) shall not exceed 1.2m. The distance between the edge of the sink (bag) and the roadway wall, support, roof, and structure shall not be less than 0.1m, and the distance from the bottom of the sink (bag) to the top beam shall not be greater than 1.6m. If it is greater than 1.6m, thennecessaryAdd one above the sink (bag).

3. The distance between the water shed and the roadway track surface should not be less than 1.8m, and a uniform height should be maintained. When it is necessary to lift the roof, the cross-section of the roadway in the water shed area should be consistent with the cross-section of the roadway that is 20m long in front and behind it.

4. Hanging sink (bag), the hook position should be aligned and arranged facing each other. Round steel with a hook diameter of 4-8mm, hanging hook angle of 60 ± 5 degrees, and a hook variation of 25mm.

Shandong Coal Mining Equipment Co., Ltd. is located in Tai'an City, central Shandong Province, adjacent to the spring city of Jinan to the north and the hometown of Confucius, Qufu, to the south. It is a high-tech enterprise mainly engaged in the production of fan exhaust equipment, mining electrical equipment, safety protection equipment, grouting support equipment, pump equipment, instruments and meters, and rail transit equipment.The equipment produced by the company is widely used in fields such as electricity, heating, mining, building materials, tunnels, metallurgy, light industry, petroleum, fertilizers, environmental protection, etc. The quality of the products produced has been widely recognized. Strict quality management, sound quality assurance system and testing methods ensure product quality. The products are sold to various places.

All employees of our company, with full enthusiasm, provide you withexcellentOur products and enthusiastic service will work together with you to seek development and create a better future.

The explosion-proof water shed or water bag of coal mine roadway equipment is based on the principle that the shock wave generated during coal dust and gas blasting in coal mines atomizes water and absorbs flame energy, thereby suppressing the propagation of blasting flames and limiting the expansion of blasting scaleancompleteFacilities. Therefore, it is hoped that coal mining enterprises can strengthen the installation and maintenance of explosion-proof water bags in coal mines, and it is also recommended that coal mines adopt a comprehensive approachRegulatory and supervisory departments should strengthen inspections and urging to ensure that explosion-proof water bags can fully play their role in the event of accidents in coal mines.

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• Main explosion-proof water shed