Large-scale filling mining method mine sand discharging system for rock mass crushing

Abstract

The utility model relates to the technical field of mine mining, in particular to a large-scale filling mining method mine sand discharging system for rock mass crushing, which comprises a sand discharging drill hole, a sand loading chamber, a drill hole connection way, an on-duty chamber, a water pipe and a transportation roadway, one side of the haulage roadway is fixedly communicated with a sand discharging drill hole with the top end extending to the ground, a drill hole connection way is arranged between the sand discharging drill hole and the haulage roadway, and water pipes are arranged on the top of the inner side of the drill hole connection way and the top of the inner side of the haulage roadway. A sand loading chamber is arranged on the side, close to the haulage roadway, of the drilling connection way, and an on-duty chamber is arranged on the side, away from the drilling connection way, of the haulage roadway. According to the utility model, the sand discharging drill hole is tunneled in the auxiliary shaft industrial site, the sand silo is arranged at the bottom of the drill hole near the underground transportation channel, sand can be discharged to the sand silo through the drill hole, and then the sand is transported to a working site through the transportation truck, so that the transportation cost is reduced, manpower and material resources are reduced, and the transportation pressure of the slope ramp is relieved.

Description

Technical Field

[0001] The utility model relates to the technical field of mine mining, in particular to a large-scale filling mining method mine sand laying system for rock mass crushing. Background Art

[0002] Large-scale backfill mining methods with broken rock mass consume a large amount of sand underground every year, mainly used for tunnel support, concrete wall construction, etc. These sands are mainly transported to various work sites underground by trucks through auxiliary ramps. The transportation distance is long, the transportation volume is small, and a lot of manpower and material resources are consumed. Because underground production requires a large amount of steel, wood, cement, sand and other materials, a large number of transport trucks going back and forth underground will also cause underground transportation tunnels to be easily blocked, thus affecting the normal production of the mine. Therefore, there are the following problems and shortcomings:

[0003] (1) Truck transportation distance is long, the amount of sand transported at one time is small, and a lot of manpower and material resources are consumed, which increases transportation costs;

[0004] (2) Truck transportation can easily cause blockage of underground transportation tunnels and increase the transportation pressure on underground ramps. Utility Model Content

[0005] The utility model provides a large-scale filling mining method mine sand system for rock crushing, which overcomes the shortcomings of the above-mentioned prior art and can effectively solve the problems of high transportation cost and waste of manpower and material resources in the existing use of a large number of transport trucks to transport materials back and forth underground.

[0006] In order to solve the above problems, the utility model describes a sand-laying system for a large-scale backfill mining method mine with rock crushing, comprising a sand-laying drill hole, a sand-loading chamber, a drilling connecting road, a duty chamber, a water pipe and a transport tunnel; one side of the transport tunnel is fixedly connected to a sand-laying drill hole with the top extending to the ground, a drilling connecting road is provided between the sand-laying drill hole and the transport tunnel, and water pipes are provided on the inner top of the drilling connecting road and the inner top of the transport tunnel; a sand-loading chamber is provided on the side of the drilling connecting road close to the transport tunnel, and a duty chamber is provided on the side of the transport tunnel away from the drilling connecting road.

[0007] The above also includes a rainproof shed, a concrete slope and a sieve. A rainproof shed is arranged directly above the sand drilling hole. The sand drilling hole located on the ground is funnel-shaped, and concrete slopes are arranged around the top of the funnel, and a sieve is installed on the top of the funnel.

[0008] The utility model discloses to dig sand drilling holes in the auxiliary shaft industrial site, and arranges a sand bin at the bottom of the drilling holes near the underground transportation road. Sand can be put into the sand bin through the drilling holes, and then the sand is transported to each work site by a transport truck, which not only reduces the transportation cost, but also reduces the manpower and material resources, alleviates the transportation pressure on the ramp, and avoids the problem that the underground transportation roadway is easily blocked due to the transportation of sand by trucks. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0010] Figure 1 It is a schematic diagram of the main structure of the utility model.

[0011] Figure 2 For attachment Figure 1 Schematic diagram of the top view structure along the AA direction.

[0012] In the figure: 1 rainproof shed, 2 concrete slope, 3 sieve, 4 sand drilling hole, 5 sand loading chamber, 6 drilling connecting road, 7 duty chamber, 8 water pipe, 9 transportation tunnel. DETAILED DESCRIPTION

[0013] The present invention is not limited by the following embodiments, and specific implementation methods can be determined according to the technical solution of the present invention and actual conditions.

[0014] In the present invention, for the convenience of description, the relative position relationship of each component is described according to the attached manual. Figure 1 The layout is described in detail, such as the positional relationship of front, back, top, bottom, left, right, etc., which is based on the attached manual. Figure 1 It is determined by the layout direction.

[0015] The present invention is further described below in conjunction with the embodiments and drawings:

[0016] like Figure 1 , 2 As shown, a sand-laying system for a large-scale backfill mining method mine with rock crushing comprises a sand-laying borehole 4, a sand-loading chamber 5, a borehole connecting road 6, a duty chamber 7, a water pipe 8 and a transport tunnel 9; one side of the transport tunnel 9 is fixedly connected with a sand-laying borehole 4 whose top extends to the ground, a borehole connecting road 6 is provided between the sand-laying borehole 4 and the transport tunnel 9, and water pipes 8 are provided on the inner top of the borehole connecting road 6 and the inner top of the transport tunnel 9; a sand-loading chamber 5 is provided on the side of the borehole connecting road 6 close to the transport tunnel 9, and a duty chamber 7 is provided on the side of the transport tunnel 9 away from the borehole connecting road 6.

[0017] like Figure 1 As shown, it also includes a rainproof shed 1, a concrete slope 2 and a sieve 3. The rainproof shed 1 is arranged directly above the sand drilling hole 4. The sand drilling hole 4 located on the ground is funnel-shaped, and a concrete slope 2 is arranged around the top of the funnel, and a sieve 3 is installed on the top of the funnel.

[0018] In the specific implementation, first, a suitable location is selected in the auxiliary shaft industrial site to vertically excavate a sand drilling hole 4 underground. The bottom of the sand drilling hole 4 underground is located near the transportation tunnel 9 with good transportation conditions. The drilling diameter is 400mm, and the drilling length is preferably not more than 500m. After the excavation of the sand drilling hole 4 is completed, the drilling casing is a composite wear-resistant stainless steel pipe. The net diameter of the drilling hole after the casing is completed is 300mm. From the transportation tunnel 9 to the bottom of the borehole, a drilling connection road 6 is excavated. The cross-sectional shape of the drilling connection road 6 is a straight wall semicircular arch, 6m wide and 6m high. The distance between the end of the drilling connection road 6 and the bottom of the borehole is not less than 5m. The drilling connection road 6 5m before and after the sand drilling hole 4 is used as a sand warehouse. The drilling connection road 6 adopts full-section reinforced concrete support, and the concrete thickness of the bottom plate of the drilling connection road 6 is not less than 300mm. A water pipe 8 is installed on the top plate of the drilling connection road 6. There are small holes on the water pipe 8, which can spray water mist to the sand bin to reduce the dust generated when the sand is discharged. A sand loading chamber 5 is excavated on the drilling connection road 6 between the transportation tunnel 9 and the sand discharge borehole 4. The cross-sectional shape of the sand loading chamber 5 is a straight wall semicircular arch. The sand loading chamber 5 is 5m wide and 5m high. The length of the sand loading chamber 5 is not less than 15m. The sand loading chamber 5 is supported by full-section reinforced concrete, and the thickness of the bottom plate concrete is not less than 300mm. A duty chamber 7 is excavated on the transportation road near the drilling connection road 6. The cross-sectional shape of the duty chamber 7 is a straight wall semicircular arch. The chamber is 3m wide and 3m high. The length of the chamber is not less than 5m. The duty chamber 7 is supported by full-section reinforced concrete, and the thickness of the bottom plate concrete is not less than 300mm. The duty chamber 7 is equipped with a duty telephone to facilitate the duty personnel to contact the surface sand digging personnel, and sand digging can be started or stopped at any time. A rainproof shed 1 is built on the top of the sand digging borehole 4 to prevent rainwater from entering the borehole. Brick walls are built on both sides of the shed, and the other two sides are passages for forklifts to enter and exit. Concrete slopes 2 are built around the sand digging borehole 4 to prevent rainwater from flowing into the sand digging borehole 4. The mouth of the sand digging borehole 4 is funnel-shaped, and the diameter of the funnel top is not less than 3m, which is convenient for forklifts to pour sand into the borehole. A sieve 3 with a sieve hole diameter of 3mm is installed on the top of the drilling funnel to prevent larger sand particles from entering the sand digging borehole 4.

[0019] In summary, the utility model digs a sand drilling hole 4 in the auxiliary shaft industrial site, and sets a sand bin at the bottom of the drilling hole near the underground transportation road. Sand can be dropped into the sand bin through the drilling hole, and then transported to each work site by a transport truck, which not only reduces transportation costs, but also reduces manpower and material resources, alleviates the transportation pressure on the ramp, and avoids the problem of truck transportation of sand easily causing blockage of the underground transportation laneway 9.

Claims

1. A large-scale backfill mining method mine sand system for rock mass crushing, characterized in that: It includes a sand-lowering drill hole, a sand-loading chamber, a drilling connecting road, a duty chamber, water pipes and a transport tunnel; one side of the transport tunnel is fixedly connected with a sand-lowering drill hole whose top extends to the ground, a drilling connecting road is provided between the sand-lowering drill hole and the transport tunnel, and water pipes are provided on the inner top of the drilling connecting road and the inner top of the transport tunnel; a sand-loading chamber is provided on the side of the drilling connecting road close to the transport tunnel, and a duty chamber is provided on the side of the transport tunnel away from the drilling connecting road.

2. A large-scale backfill mining method sand-laying system for rock mass crushing according to claim 1, characterized in that: It also includes a rainproof shed, a concrete slope and a sieve. A rainproof shed is arranged just above the sand drilling hole. The sand drilling hole located on the ground is funnel-shaped, and concrete slopes are arranged around the top of the funnel. A sieve is installed on the top of the funnel.

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