Rock screw breaking-resisting coal bunker
An anti-breakage and rock-proof technology, applied in the field of coal storage bunkers, can solve the problems of high maintenance costs, easy breakage of lump coal, high transportation and storage costs, etc., and achieve the effects of simple construction and maintenance, reduction of lump coal breakage, and long service life
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[0036] Please refer to Fig. 1 and Fig. 2, the present invention is a kind of rock spiral anti-breakage coal bunker, including inlet guide device and coal feeder, characterized in that: on the rock 10 between the upper and lower roadways 1 and 2 A vertical cylindrical warehouse body 3 is provided, the upper end round hole 301 of the warehouse body 3 is provided with a sealing grate 7 with an inlet hole, the lower end of the warehouse body 3 is provided with a tapered hole 302, and the outlet at the bottom of the cone hole is equipped with a feeder. Coal machine 9, the coal feeder has a spiral groove 4 recessed into the wall on the inner wall of the cylindrical rock of the bin body 3, and the upper part of the spiral groove communicates with the entrance 701 of the sealing grate 7 installed on the round hole 301, The bottom of the spiral groove leads to the entrance of the coal feeder 9, and the entrance guide device 5 is housed in the upper roadway.
[0037] The inlet guide dev...
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