CN215213586U - Mine shaft bottom powder recovery system of skip pit - Google Patents
Mine shaft bottom powder recovery system of skip pit Download PDFInfo
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- CN215213586U CN215213586U CN202120484362.8U CN202120484362U CN215213586U CN 215213586 U CN215213586 U CN 215213586U CN 202120484362 U CN202120484362 U CN 202120484362U CN 215213586 U CN215213586 U CN 215213586U
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Abstract
The utility model provides a skip pit shaft bottom fine ore recovery system, include fine ore transportation sealing-tape machine, ore drawing equipment, fine ore storehouse, accident processing mechanism and the mechanism of intercepting that sets gradually from the bottom up in the shaft bottom, the fine ore storehouse includes the big hopper-shaped storehouse of upper shed, the little hopper-shaped storehouse of lower open-ended, the wall of a well is hugged closely to the edge of upper shed, ore drawing equipment sets up in the below of lower open-ended, the material loading end setting of fine ore transportation sealing-tape machine is in the discharge end of ore drawing equipment, the material unloading end setting of fine ore transportation sealing-tape machine is in the tunnel in shaft bottom; the accident treatment mechanism comprises an accident treatment platform arranged on the upper part of the upper opening, an accident treatment channel leading to the accident treatment platform is arranged on the well wall, and the water interception mechanism comprises a water interception groove arranged along the periphery of the well wall above the accident treatment channel. Adopt the utility model discloses can collect and clear up the powder ore at any time, avoid the powder ore to pile up in a large number, reduce the wall of a well infiltration and sneak into the powder ore, conveniently handle the jam.
Description
Technical Field
The utility model relates to a mine equipment technical field, more specifically relates to a skip pit shaft bottom powder ore recovery system.
Background
In a metal mine shaft, when a skip bucket is loaded and lifted, the problem of powder ore scattering is solved. According to statistics, when a turnover skip is adopted, the scattering amount of the fine ore is generally 1% -2% of the lifting material; the bottom discharge skip is adopted, and the scattering amount of the fine ore is generally 0.3 to 0.6 percent of the lifting material. When the skip is lifted, the scattered fine ore is naturally accumulated at the bottom of the well. The fine ore is required to be cleaned in time after being scattered to the bottom of the well, otherwise the normal lifting is influenced.
The existing cleaning and recovering mode is to arrange a fine ore recovering bridle door at the bottom of a skip shaft, load fine ore into a mine car by a rock loader or manually at the fine ore recovering bridle door, and then transport the fine ore away by the mine car. However, there are the following disadvantages: in order to avoid the damage to personnel and equipment caused by falling of the fine ores when the fine ores are loaded, the fine ores cannot be cleaned immediately after being scattered, the fine ores can be cleaned only by piling the fine ores to a ingate at the bottom of a well according to a natural repose angle, the working process is slow, and the production management is inconvenient; the fine ore is accumulated in a large amount at the bottom of the well, if the fine ore cannot be cleaned in time, the fine ore is easy to block, when the fine ore is blocked, workers are generally required to adopt high-pressure water treatment below the fine ore pile, and safety accidents are easy to generate if the fine ore collapses; the powder ore accumulated at the bottom of the well is mixed with water gushing from the upper well wall to cause the viscosity of the powder ore to be increased, so that the bottom of the well is easy to block, and the risk of forming debris flow due to sudden and large gushing of muddy water exists; the seepage water from the well wall enters the fine ore, so that the mud and the water on the working surface are mixed, and the danger and the difficulty are high during the treatment; the ventilation condition at the bottom of the well is poor, the air is moist and turbid, the working environment is poor, and the labor intensity of workers is high.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a system for recovering fine ore at the bottom of a skip pit, which can collect and clean the fine ore at any time, avoid the accumulation of the fine ore, reduce the water seepage from the pit wall and mix with the fine ore, and facilitate the treatment of blockage; the device can be matched with a vibration ore drawing device to realize remote control of cleaning fine ores and unmanned operation.
The utility model provides a skip pit shaft bottom fine ore recovery system, include fine ore transportation sealing-tape machine, ore drawing equipment, fine ore storehouse, accident processing mechanism and the cut-off water mechanism that sets gradually from the bottom up in the shaft bottom, wherein, the fine ore storehouse includes the big bucket type storehouse of upper shed, the lower opening is little, the wall of a well is hugged closely to the edge of upper shed, ore drawing equipment sets up in the below of lower opening, the material loading end of fine ore transportation sealing-tape machine sets up the discharge end of ore drawing equipment, the material unloading end of fine ore transportation sealing-tape machine sets up in the tunnel of shaft bottom; the accident treatment mechanism comprises an accident treatment platform arranged on the upper portion of the upper opening, the accident treatment platform is a grid type bearing platform, the accident treatment platform is connected with the well wall, an accident treatment channel leading to the accident treatment platform is arranged on the well wall, the water interception mechanism comprises a water interception groove arranged along the periphery of the well wall above the accident treatment channel, a water guide pipe is connected to the water interception groove, and the other end of the water guide pipe leads to the accident treatment channel.
The bucket type storehouse includes upper bracket frame, well support frame, under bracing frame, sloping and bulkhead, upper bracket frame sets up the upper portion a week in bucket type storehouse, the under bracing frame sets up the lower part a week in bucket type storehouse, well support frame sets up the middle part a week in bucket type storehouse, upper bracket frame, well support frame and under bracing frame all with wall of a well fixed connection upper bracket frame well support frame with evenly be connected with between the under bracing frame the sloping, upper bracket frame well support frame the under bracing frame with the sloping forms bucket type braced frame, the bulkhead sets up bucket type braced frame is interior week.
The upper supporting frame, well support frame with the lower carriage all includes the square support that constitutes by the crossbeam, the both ends of a pair of crossbeam of every square support all with wall of a well fixed connection.
The upper supporting frame, well support frame with the lower carriage all includes circular support, and the crossbeam has all been welded to the both sides of every circular support, the both ends of crossbeam all with wall of a well fixed connection.
The bucket type supporting frame is a steel structure frame.
The ore drawing equipment comprises a vibration ore drawing machine or a plate feeder, and the vibration ore drawing machine or the plate feeder is connected with a remote control computer on the ground.
And the accident handling platform is provided with an anti-smashing buffer device, the anti-smashing buffer device positively impacts the lower opening, and the area of the anti-smashing buffer device is not smaller than that of the lower opening.
The anti-smashing buffer device can be an umbrella-shaped rubber cover plate.
And baffle plates are arranged on two sides of the fine ore conveying belt conveyor.
From the above description, the utility model provides a skip pit shaft bottom powder ore recovery system, including the powder ore storehouse of steel construction, be provided with the accident treatment platform on powder ore storehouse upper portion, prevent pounding buffer, cut off water mechanism, be provided with vibration ore drawing equipment, conveying sealing-tape machine in powder ore storehouse lower part. The fine ores can be collected and cleaned at any time, so that the fine ores are prevented from being accumulated in the bottom of the well in a large amount; the seepage of the well wall is avoided or reduced and the well wall is mixed with the fine ore; when the fine ores are accumulated and blocked, the treatment on the accident treatment platform is convenient; the device can be matched with a vibrating ore drawing device to realize remote control of cleaning fine ores and unmanned operation; and an anti-smashing buffer device is arranged to protect the lower vibration ore drawing equipment. The manual fine ore cleaning operation at the bottom of the well is avoided, the working efficiency is improved, and the labor condition of workers is improved.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings. In the drawings:
FIG. 1 is a schematic view of a recovery mode of fine ore at the bottom of a skip shaft in the prior art;
fig. 2 is a schematic structural view of a fine ore recovery system at the bottom of a skip pit according to embodiment 1 of the present invention;
fig. 3 is a side view of a fine ore recovery system at the bottom of a skip pit according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a bucket-type support frame according to embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a bucket-type support frame according to embodiment 2 of the present invention;
the system comprises a 1-skip well, a 2-skip, a 3-fine ore, a 4-ingate, a 5-rock loader, a 6-mine car, a 7-fine ore transportation sealing-tape machine, 8-ore drawing equipment, a 9-fine ore bin, a 10-accident processing platform, an 11-accident processing channel, a 12-water intercepting tank, a 13-water guide pipe, a 14-upper support frame, a 15-middle support frame, a 16-lower support frame, a 17-oblique beam, a 18-bin wall, a 19-cross beam, a 20-smashing prevention buffer device and a 21-baffle.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
FIG. 1 is a schematic view of a recovery mode of fine ore at the bottom of a skip shaft in the prior art;
as shown in figure 1, the existing skip pit 1 of the metal mine is cleaned and recovered in a mode that powder ore 3 scattered by a skip 2 is accumulated at the bottom of a pit, in order to avoid the damage to personnel and equipment caused by falling of the powder ore when the powder ore is loaded, the powder ore is not cleaned immediately after being scattered, and the powder ore can be cleaned only when being piled to a pit bottom ingate 4 according to a natural repose angle. The fine ore is typically loaded into the mine car 6 by a rock loader 5 or manually and then transported away by the mine car 6. The recovery efficiency is low, and the work difficulty is big.
Example 1
Fig. 2 is a schematic structural view of a fine ore recovery system at the bottom of a skip pit according to embodiment 1 of the present invention;
fig. 3 is a side view of a fine ore recovery system at the bottom of a skip pit according to embodiment 1 of the present invention; fig. 4 is a schematic structural view of a bucket-type support frame according to embodiment 1 of the present invention;
as shown in fig. 2, 3 and 4, the system for recovering fine ore at the bottom of a skip shaft provided in this embodiment can be used for recovering and cleaning the scattered fine ore in the skip lifting process in the metal mine skip shaft. Comprises a fine ore conveying belt conveyor 7, ore drawing equipment 8, a fine ore bin 9, an accident treatment mechanism and a water interception mechanism which are arranged in sequence from bottom to top at the bottom of a well. The fine ore bin 9 is a steel structure bin fixed on the well wall, and fine ore is scattered in the fine ore bin 9 and cannot be scattered in the well bottom, so that the fine ore can be completely recovered. The fine ore flows to the ore drawing device 8 at the lower part of the fine ore bin 9, the ore drawing device 8 draws the fine ore onto the fine ore conveying adhesive tape machine 7, and the fine ore is conveyed out of the shaft bottom through the fine ore conveying adhesive tape machine 7 and conveyed to a mine car, so that the operation of workers at the shaft bottom is avoided. The upper part of the fine ore bin 9 is provided with an accident handling mechanism, and if fine ores form blockage in the fine ore bin 9, workers can stand on the fine ore bin to handle the blockage. The upper part of the fine ore bin 9 is also provided with a water interception mechanism which can catch most of the seepage water on the well wall and collect the water outlet, so that the water can not flow into the fine ore bin 9, and the mixing of the fine ore and the water is avoided.
The powder ore bin 9 can be a hopper-shaped bin with a large upper opening and a small lower opening, the edge of the upper opening is tightly attached to the well wall, all powder ore scattered by the skip can be received, and the powder ore is prevented from falling to the bottom of the well.
The bucket type storehouse is by upper bracket 14, well support frame 15, lower carriage 16, sloping 17 and bulkhead 18 constitute, upper bracket 14 sets up the upper portion a week in bucket type storehouse, lower carriage 16 sets up the lower part a week in bucket type storehouse, well support frame 15 sets up the middle part a week in bucket type storehouse, upper bracket 14, evenly welded has a plurality of sloping 17 between well support frame 15 and the lower carriage 16, upper bracket 14, well support frame 15, lower carriage 16 and sloping 17 form bucket type braced frame, upper bracket 14, well support frame 15 and lower carriage 16 all with wall of a well fixed connection, be connected bucket type storehouse firmly with the wall of a well. A steel plate is welded to the inner periphery of the bucket type support frame as a bin wall 18. After the fine ore is scattered, the fine ore slides down along the smooth bin wall 18 to the lower opening.
In this embodiment, the upper support frame 14, the middle support frame 15 and the lower support frame 16 may be square supports formed by cross beams 19, and each square support is fixedly connected with the well wall. The two ends of a pair of beams 19 of the square bracket can be fixedly connected with the well wall. The cross beam 19 can be made of large I-shaped steel or channel steel, the oblique beam 17 can be made of small H-shaped steel, and the steel plate can be made of high-strength alloy steel plate.
The feeding end of the fine ore conveying belt conveyor 7 is arranged at the discharging end of the ore drawing device 8 and used for receiving the fine ore discharged by the ore drawing device 8, and the discharging end is arranged in a roadway at the bottom of a well and used for conveying the fine ore to a mine car in the roadway. Workers can be far away from the bottom of the shaft, and the working environment is improved. In order to prevent the fine ore from falling off the belt conveyor, baffles 21 are provided at both sides of the fine ore conveying belt conveyor 7.
In order to conveniently process the powder ore blocked or unevenly distributed in the powder ore bin 9, an accident processing mechanism is arranged at the upper part of the powder ore bin 9 and comprises an accident processing platform 10 arranged at the upper part of an upper opening of the powder ore bin 9, the accident processing platform 10 is a grid-type bearing platform, the accident processing platform 10 is fixedly connected with a well wall, a worker can conveniently stand on the accident processing platform 10 to process the powder ore, and the grid-type accident processing platform 10 cannot prevent the powder ore from scattering into the bin. An accident disposal passage 11 leading to the accident disposal platform 10 is provided on the shaft wall, and workers can enter and exit the accident disposal platform 10 through the accident disposal passage 11. Workers work on the accident treatment platform 10 arranged at the upper part of the fine ore bin 9, the working environment is good, a large amount of accumulated fine ore does not need to be worried about collapse and burying, and the safety is good.
In order to reduce the mixing of the fine ore and the seepage water, the upper part of the fine ore bin 9 is provided with a water interception mechanism, and the water interception mechanism catches most of the seepage water on the well wall at the upper part of the fine ore bin 9, so that the seepage water on the well wall is prevented from flowing into the fine ore bin 9, and the humidity at the bottom of the well can be reduced. The water interception mechanism comprises a water interception groove 12 which is arranged along the circumference of the well wall above the accident treatment channel 11, when the seepage water on the upper well wall flows downwards along the well wall, the seepage water is intercepted by the water interception groove 12 and is gathered in the water interception groove 12, one end of a water guide pipe 13 is connected to the water interception groove 12, and the other end of the water guide pipe 13 leads to the accident treatment channel 11. Water flows out of the shaft from the cut-off tank 12 along the water conduit 13, and the water conduit 13 discharges the water to the outside along the accident-disposal path 11. The longitudinal section of the water intercepting tank 12 can be arc-shaped or U-shaped, the outer edge of the water intercepting tank 12 extends into the well wall and is fixed in the well wall, and the inner edge has a certain distance from the well wall surface, so that the water intercepting tank 12 can be guaranteed to be capable of receiving water seepage on the well wall.
In order to prevent scattered mineral powder from directly impacting the ore drawing equipment 8 with the lower opening of the powder ore bin 9 and damaging the ore drawing equipment 8, an anti-smashing buffer device 20 is arranged on the accident handling platform 10, the anti-smashing buffer device 20 is positively rushing towards the lower opening, and the area of the anti-smashing buffer device 20 is not smaller than that of the lower opening. The anti-pound buffer device 20 may be an umbrella-shaped rubber cover plate.
The steel structure form ore bin can be installed after all the underground middle section roadways are tunneled, the tunneling of all the underground middle sections is not influenced, the steel structure form ore bin is convenient and quick to construct and install, and the bin body is convenient to maintain when damaged.
Example 2
Fig. 5 is a schematic structural view of a bucket-type support frame according to embodiment 2 of the present invention;
as shown in fig. 5, in the shaft bottom fine ore recovery system of the skip bucket according to this embodiment, on the basis of embodiment 1, the upper support frame 14, the middle support frame 15, and the lower support frame 16 of the bucket type bin each include a circular support, a cross beam 19 is welded to both sides of each circular support, and both ends of each cross beam 19 are fixedly connected to the wall of the well. A plurality of oblique beams 17 are uniformly welded among the upper support frame 14, the middle support frame 15 and the lower support frame 16, and the upper support frame 14, the middle support frame 15, the lower support frame 16 and the oblique beams 17 form a bucket-shaped support frame. The upper support frame 14, the middle support frame 15 and the lower support frame 16 are fixedly connected with the well wall, and the hopper-shaped bin is firmly connected with the well wall. And a steel plate is welded on the inner periphery of the hopper-shaped supporting frame to be used as a bin wall. After the fine ore is scattered, the fine ore slides down to the lower opening along the smooth bin wall.
In the embodiment, the cross section of the hopper-shaped bin is circular, and the bin wall is smooth without an included angle, so that the powder ore can slide down more easily.
The shaft bottom fine ore recovery system of the skip shaft according to the present invention is described above by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various modifications can be made to the bottom hole fine ore recovery system of the skip well without departing from the scope of the present invention. Therefore, the scope of the present invention should be determined by the content of the appended claims.
Claims (9)
1. A mine shaft bottom powder recovery system of a skip well is characterized by comprising a powder ore conveying belt conveyor, ore drawing equipment, a powder ore bin, an accident handling mechanism and a water intercepting mechanism which are sequentially arranged at the shaft bottom from bottom to top, wherein,
the fine ore bin comprises a hopper-shaped bin with a large upper opening and a small lower opening, the edge of the upper opening is tightly attached to the well wall, the ore drawing equipment is arranged below the lower opening,
the feeding end of the fine ore conveying adhesive tape machine is arranged at the discharging end of the ore drawing equipment, and the discharging end of the fine ore conveying adhesive tape machine is arranged in a roadway at the bottom of the shaft;
the accident treatment mechanism comprises an accident treatment platform arranged at the upper part of the upper opening, the accident treatment platform is a grid type bearing platform, the accident treatment platform is connected with the well wall, and an accident treatment channel leading to the accident treatment platform is arranged on the well wall;
the water interception mechanism comprises a water interception groove arranged along the upper well wall of the accident processing channel for a circle, a water guide pipe is connected to the water interception groove, and the other end of the water guide pipe leads to the accident processing channel.
2. The shaft bottom powder ore recovery system of the skip bucket according to claim 1, wherein the skip bucket comprises an upper support frame, a middle support frame, a lower support frame, an oblique beam and a bucket wall, the upper support frame is arranged on the upper periphery of the skip bucket, the lower support frame is arranged on the lower periphery of the skip bucket, the middle support frame is arranged on the middle periphery of the skip bucket, the upper support frame, the middle support frame and the lower support frame are fixedly connected with the shaft wall, the oblique beam is uniformly connected among the upper support frame, the middle support frame and the lower support frame, the upper support frame, the middle support frame, the lower support frame and the oblique beam form a skip bucket support frame, and the bucket wall is arranged on the inner periphery of the skip bucket support frame.
3. The system of claim 2, wherein the upper support frame, the middle support frame and the lower support frame each comprise a square support frame formed by a cross beam, and both ends of a pair of cross beams of each square support frame are fixedly connected with the well wall.
4. The bottom hole fine ore recovery system of the skip pit according to claim 2, wherein the upper support frame, the middle support frame and the lower support frame each comprise a circular support frame, a beam is welded to both sides of each circular support frame, and both ends of each beam are fixedly connected with the wall of the pit.
5. The bottom hole fines recovery system of claim 2 wherein the bucket support frame is a steel structural frame.
6. The bottom hole fines recovery system of claim 1, wherein the ore-drawing equipment includes a vibratory ore-drawing machine or a plate feeder connected to a remote control computer above ground.
7. The shaft bottom fine ore recovery system of the skip bucket according to claim 1, wherein a smash-proof buffer device is arranged on the accident processing platform, the smash-proof buffer device positively impacts the lower opening, and the area of the smash-proof buffer device is not smaller than that of the lower opening.
8. The bottom hole fine ore recovery system of the skip pit according to claim 7, wherein the anti-smashing buffer device can be an umbrella-shaped rubber cover plate.
9. The shaft bottom fine ore recovery system of claim 1, wherein baffles are provided at both sides of the fine ore transporting tape machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120484362.8U CN215213586U (en) | 2021-03-05 | 2021-03-05 | Mine shaft bottom powder recovery system of skip pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120484362.8U CN215213586U (en) | 2021-03-05 | 2021-03-05 | Mine shaft bottom powder recovery system of skip pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215213586U true CN215213586U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120484362.8U Active CN215213586U (en) | 2021-03-05 | 2021-03-05 | Mine shaft bottom powder recovery system of skip pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215213586U (en) |
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2021
- 2021-03-05 CN CN202120484362.8U patent/CN215213586U/en active Active
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