CN114712915B - Emergency drainage device for coal mining of coal mine - Google Patents
Emergency drainage device for coal mining of coal mine Download PDFInfo
- Publication number
- CN114712915B CN114712915B CN202210528832.5A CN202210528832A CN114712915B CN 114712915 B CN114712915 B CN 114712915B CN 202210528832 A CN202210528832 A CN 202210528832A CN 114712915 B CN114712915 B CN 114712915B
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- box body
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- piece
- scraping
- wall
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- 239000003245 coal Substances 0.000 title claims abstract description 84
- 238000005065 mining Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 104
- 239000002893 slag Substances 0.000 claims abstract description 91
- 238000007790 scraping Methods 0.000 claims abstract description 70
- 238000001914 filtration Methods 0.000 claims abstract description 49
- 238000007599 discharging Methods 0.000 claims abstract description 37
- 238000005086 pumping Methods 0.000 claims description 59
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 239000003818 cinder Substances 0.000 abstract description 16
- 230000003749 cleanliness Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/014—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements with curved filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6484—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a translatory movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses an emergency drainage device for coal mining of a coal mine, and relates to the technical field of coal mine equipment; the bottom of the filter box body is provided with an arc bottom which is in a quarter-circle shape, the top of the filter box body is provided with an arc top, the end part, which is provided with a flat filter plate inside and is close to a slag discharge port, of the filter box body is rotationally connected with the inner wall of the filter box body through the flat filter plate, the end part, which is far away from the slag discharge port, of the flat filter plate is provided with an arc filter plate, the inner wall of the arc top is provided with a scraping assembly, the scraping assembly comprises a pushing piece and a scraping piece, and one end of the scraping piece is rotationally arranged on the inner wall of the arc top; the outer wall of the filter box body is provided with a driving piece capable of driving the slag discharging rotating shaft to rotate. The invention has simple structure, can scrape off the cinder on the filter plate under the condition of uninterruptedly filtering the coal water, effectively improves the drainage and filtering efficiency, and has strong practicability.
Description
Technical Field
The invention relates to the technical field of coal mine equipment, in particular to an emergency drainage device for coal mining.
Background
Along with the development of the times, in the coal mining process, as the stratum structure is destroyed, a mining area is communicated with a water storage layer, underground water flows into a roadway and a working surface, accidents are easy to occur, underground production is blocked, serious accidents can be caused when serious accidents happen, and not only is the life safety of underground operators greatly threatened, but also the accumulated water of a mine flowing into the underground coal mine roadway needs to be timely discharged to the ground surface, and in order to ensure the safe production of the coal mine, the coal water in the mine needs to be pumped and discharged through a drainage device.
The existing mine drainage device directly pumps water out and discharges the water through a water pump or a water pumping auger, but directly discharges coal water, so that coal slag is easily discharged to influence the surrounding environment; so that the filtering device is arranged in the drainage device; however, residues generated by filtration of the mine drainage device are remained on the filter plate, drainage is stopped to clean coal cinder, and otherwise, the filter plate is easy to be blocked; and stopping mine drainage when cleaning cinder, thereby affecting the drainage efficiency.
Disclosure of Invention
The invention aims to provide an emergency drainage device for coal mining of a coal mine, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The emergency drainage device for coal mining comprises a water pumping assembly, a filtering box body, a drainage pipe body and a slag discharge port, wherein the water pumping assembly is used for pumping out coal water in a coal mine and conveying the coal water into the filtering box body; the water draining pipe body and the slag discharging port are arranged on the side wall of the filtering box body, and the filtering box body can filter coal water and drain the filtered coal slag and the filtered water respectively through the slag discharging port and the water draining pipe body; the bottom of the filter box body is provided with an arc bottom which is in a quarter-circle shape, the top of the filter box body is provided with an arc top, the end part, which is arranged in the filter box body and is close to the slag discharge port, is rotationally connected with the inner wall of the filter box body through a flat filter plate, the end part, which is far away from the slag discharge port, of the flat filter plate is provided with an arc filter plate, and the arc filter plate has the same shape as the arc bottom and is attached to the inner wall of the arc bottom; the center lines of the arc bottom and the arc top coincide with the axis of the deslagging rotating shaft, a scraping assembly is arranged on the inner wall of the arc top and comprises a pushing piece and a scraping piece, the pushing piece is elastically and slidably arranged on the inner wall of the arc top, one end of the scraping piece is rotatably arranged on the inner wall of the arc top, and the pushing piece can drive the scraping piece to rotate when moving on the inner wall of the arc top; a driving piece capable of driving the slag discharging rotating shaft to rotate is arranged on the outer wall of the filtering box body; when the driving piece drives the slag discharging rotating shaft to rotate, the flat filter plate rotates along with the slag discharging rotating shaft, and the end part rotating to the top of the arc is just contacted with the end parts of the scraping piece and the pushing piece.
Based on the technical scheme, the invention also provides the following optional technical schemes:
In one alternative: the driving piece comprises a screw rod, a straight rack and a power piece, the end part of the screw rod is rotatably arranged on the outer wall of the filtering box body through a support, and the power piece is arranged at one end of the screw rod and can drive the screw rod to rotate; the straight rack is arranged on the outer wall of the filtering box body in a sliding manner, and the screw rod spirally penetrates through one end part of the straight rack; one end of the deslagging rotating shaft penetrates through the side wall of the filtering box body, a driving gear is arranged on the end portion of the deslagging rotating shaft, and the driving gear is meshed with the straight rack.
In one alternative: the scraping piece comprises an elastic telescopic rod, a rotating rod shaft and a driven gear, the end part of the rotating rod shaft is rotationally connected with the inside of the filtering box body, the driven gear is arranged on the rotating rod shaft, the elastic telescopic rod can elastically stretch and retract, one end of the elastic telescopic rod is connected with the side part of the rotating rod shaft, and the end part, far away from the rotating rod shaft, of the elastic telescopic rod is provided with the scraping piece; the pushing piece comprises an arc-shaped rack, a sliding block, an outer baffle plate and an elastic piece, wherein the sliding block is arranged on the inner wall of the arc top and is in sliding fit with the inner wall of the arc top, one end of the arc-shaped rack is fixedly connected with the sliding block, the other end of the arc-shaped rack penetrates through the side wall of the filtering box body, and the arc-shaped rack is meshed with the driven gear; the outer baffle plate is arranged at the outer end part of the arc-shaped rack, and the elastic piece is arranged between the outer baffle plate and the outer wall of the filtering box body.
In one alternative: the scraping piece comprises a scraping plate, a rotating column and a scraping pad, the scraping plate is arranged at the end part of the elastic telescopic rod, the rotating column is fixed on the scraping plate, and the rotating column is elastically connected with the end part of the elastic telescopic rod in a rotating manner through a torsion spring; the scraping pad is arranged on the end face of the scraping plate facing the flat filter plate.
In one alternative: the water pumping assembly comprises a water pumping pipe, a spiral water pumping auger, a water pumping motor and a connecting water guiding pipe, wherein the water pumping pipe is used for extending into a coal mine, and the bottom end part of the water pumping pipe is contacted with coal water in the mine; the spiral pumping auger is arranged in the pumping pipe, the pumping motor is arranged at the top end of the pumping pipe and used for driving the spiral pumping auger to rotate, and one end of the connecting water guide pipe is connected with the side wall of the top of the filtering box body, and the other end of the connecting water guide pipe is communicated with the side part of the top of the pumping pipe.
In one alternative: the slag discharge port is also provided with a blocking cover, the blocking cover comprises a cover plate, an elastic rotation connecting seat and a support arm, the elastic rotation connecting seat is fixed on the side wall of the filtering box body, and one end of the support arm is elastically and rotatably connected with the elastic rotation connecting seat; the other end of the support arm is fixedly connected with a cover plate, the cover plate is used for plugging the deslagging port, a top rod piece is arranged at a position, close to the deslagging port, of the end face of the flat filter plate, and when the flat filter plate is in rotary contact with the scraping assembly and the top rod piece, the end part of the top rod piece is just propped against the inner wall of the cover plate.
In one alternative: the side wall of the filtering box body is also provided with a slag collecting box body which is positioned at a slag discharging port and used for storing coal slag, the slag collecting box body comprises a slag collecting groove and an upper cover plate, and the side wall of the slag collecting groove is connected with the side part of the filtering box body; the upper cover plate is arranged at the upper port of the material collecting groove and can slide laterally; the end of the upper cover plate, which is far away from the slag discharge port, is provided with a lower folded plate and is connected with the side wall of the material collecting tank through a reset elastic piece.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the arrangement of the arc bottom and the arc filter plate, when the flat filter plate rotates to remove slag, the coal water can be continuously filtered and guided to flow to the drain pipe body; therefore, under the condition that the coal water is continuously pumped, the coal slag is continuously scraped, and the efficiency of coal mine drainage can be effectively improved;
2. according to the invention, through the arrangement of the pushing piece and the scraping piece, when the flat filter plate rotates and inclines, the coal slag adhered on the flat filter plate can be directly scraped, so that the cleanliness of slag discharge at each time is improved; the filter plate is effectively prevented from being blocked;
3. The invention has simple structure, can scrape off the cinder on the filter plate under the condition of uninterruptedly filtering the coal water, effectively improves the drainage and filtering efficiency, and has strong practicability.
Drawings
Fig. 1 is a schematic view of the overall structure of the device according to an embodiment of the present invention.
Fig. 2 is a schematic view showing the internal structure of a filter housing according to an embodiment of the present invention.
Fig. 3 is a schematic view of a scraping assembly according to an embodiment of the present invention.
Fig. 4 is a schematic view of a partial enlarged structure at a in fig. 3.
Fig. 5 is a schematic view of a driving member according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of a slag collecting box according to an embodiment of the present invention.
Reference numerals annotate: the water pumping assembly 1, the filter box 2, the arc bottom 21, the arc top 22, the drain pipe 4, the slag collecting box 5, the collecting tank 51, the upper cover plate 52, the baffle bar 53, the lower folded plate 54, the reset spring 55, the slag discharge port 6, the baffle cover 7, the cover plate 71, the elastic rotation connecting seat 72, the support arm 73, the flat filter plate 8, the arc filter plate 9, the water pumping pipe 101, the spiral water pumping auger 102, the water pumping motor 103, the connecting water guiding pipe 104, the scraping assembly 11, the pushing piece 111, the arc rack 1111, the sliding block 1112, the outer baffle 1113, the elastic piece 1114, the scraping piece 112, the elastic telescopic rod 1121, the rotary rod shaft 1122, the driven gear 1123, the scraping plate 1124, the rotary column 1125, the torsion spring 1126, the scraping pad 1127, the top piece 12, the driving piece 13, the screw 131, the straight toothed bar 132, the driving gear 133 and the power piece 134.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples; in the drawings or description, similar or identical parts are provided with the same reference numerals, and in practical applications, the shape, thickness or height of each part may be enlarged or reduced. The examples set forth herein are intended to be illustrative of the invention and are not intended to limit the scope of the invention. Any obvious modifications or alterations to the invention, as would be apparent, are made without departing from the spirit and scope of the present invention.
In one embodiment, as shown in fig. 1-4, the emergency drainage device for coal mining of a coal mine comprises a water pumping assembly 1, a filtering box body 2, a drainage pipe body 4 and a slag discharge port 6, wherein the water pumping assembly 1 is used for pumping out coal water in a coal mine and conveying the coal water into the filtering box body 2; the water draining pipe body 4 and the slag discharging port 6 are arranged on the side wall of the filtering box body 2, and the filtering box body 2 can filter coal water and drain the filtered coal slag and the filtered coal slag respectively through the slag discharging port 6 and the water draining pipe body 4; the bottom of the filter box body 2 is provided with an arc bottom 21 in a quarter-circle shape, the top of the filter box body 2 is provided with an arc top 22, a flat filter plate 8 is arranged in the filter box body 2, the end part close to the slag discharge port 6 is rotationally connected with the inner wall of the filter box body 2 through the flat filter plate 8, the end part, far away from the slag discharge port 6, of the flat filter plate 8 is provided with an arc filter plate 9, and the arc filter plate 9 and the arc bottom 21 are the same in shape and are attached to the inner wall of the arc bottom 21; the center lines of the arc bottom 21 and the arc top 22 coincide with the axis of the slag discharging rotating shaft 81, a scraping assembly 11 is arranged on the inner wall of the arc top 22, the scraping assembly 11 comprises a pushing piece 111 and a scraping piece 112, the pushing piece 111 is elastically and slidably arranged on the inner wall of the arc top 22, one end of the scraping piece 112 is rotatably arranged on the inner wall of the arc top 22, and the pushing piece 111 can drive the scraping piece 112 to rotate when the inner wall of the arc top 22 moves; the outer wall of the filtering box body 2 is provided with a driving piece 13 which can drive the slag discharging rotating shaft 81 to rotate; when the driving member 13 drives the slag discharging rotating shaft 81 to rotate, the flat filter plate 8 rotates along with the slag discharging rotating shaft and is just contacted with the ends of the scraping member 112 and the pushing member 111 at the end part rotating to the arc top 22.
In the implementation process of the embodiment, the water pumping assembly 1 pumps the coal water in the coal mine into the filtering box body 2, firstly, the water and the coal slag are separated through the filtering of the flat filter plate 8, and the water flows downwards after being filtered by the flat filter plate 8 and is led out through the water draining pipe body 4; when the coal slag is accumulated on the flat filter plate 8 by a certain amount, the slag discharging rotating shaft 81 is driven to rotate by the driving piece 13, the slag discharging rotating shaft 81 drives the flat filter plate 8 to rotate upwards in an inclined way, and the arc filter plate 9 rotates in an inclined way, so that coal water conveyed by the water pumping assembly 1 can be continuously filtered through the flat filter plate 8 and the arc filter plate 9, when the flat filter plate 8 rotates to contact with the end part of the arc top 22, the arc filter plate 9 can completely shield the connection port of the water pumping assembly 1 and the filter box body 2, and the coal water conveyed by the water pumping assembly 1 is completely filtered by the arc filter plate 9, and because the arc filter plate 9 is in an inclined state and is in an arc shape, the filtered water is guided by the arc filter plate 9 to flow downwards in an inclined way, and cannot flow to the slag discharging port 6; the flat filter plate 8 continues to rotate upwards, so that the pushing piece 111 is driven to rotate around the central line of the slag discharging rotating shaft 81 on the inner wall of the arc top 22, the pushing piece 111 moves to enable the scraping piece 112 to rotate, the end part of the scraping piece 112 always supports against the end surface of the flat filter plate 8, and slides with the end surface of the flat filter plate 8 along with the rotation of the pushing piece, so that the end part of the scraping piece 112 can scrape coal slag on the flat filter plate 8 downwards; coal cinder is discharged through the opened slag discharging port 6; after the cinder is completely discharged, the driving piece 13 is used for driving the cinder discharging rotating shaft 81 to rotate again and resetting the flat filter plate 8; the cinder filtered by the arc filter plate 9 is blocked by the arc bottom 21 because the arc filter plate 9 is attached to the inner wall of the arc bottom 21, and is placed on the surface of the flat filter plate 8 after the flat filter plate 8 is reset; the reciprocating operation can realize continuous coal cinder scraping under the uninterrupted pumping of coal water, and the efficiency of coal mine drainage can be effectively improved;
In one embodiment, as shown in fig. 1 and 5, the driving member 13 includes a screw rod 131, a straight rack 132, and a power member 134, where the end of the screw rod 131 is rotatably mounted on the outer wall of the filtering case 2 through a support, and the power member 134 is disposed at one end of the screw rod 131 and can drive the screw rod to rotate; the straight rack 132 is slidably arranged on the outer wall of the filter box 2, and the screw rod 131 spirally penetrates through one end part of the straight rack 132; one end of the slag discharging rotating shaft 81 penetrates through the side wall of the filter box body 2, a driving gear 133 is arranged at the end part of the slag discharging rotating shaft, and the driving gear 133 is meshed with the straight rack 132; in the embodiment, the power piece 134 drives the screw rod 131 to rotate and can drive the straight rack 132 to move on the outer wall of the filter box 2 through the spiral cooperation of the screw rod 131 and the end part of the straight rack 132, and the straight rack 132 drives the slag discharging rotating shaft 81 to rotate through the meshing of the straight rack 132 and the driving gear 133; wherein the power piece 134 is a pneumatic motor or an electric motor;
In one embodiment, as shown in fig. 2 and 3, the scraping member 112 includes an elastic telescopic rod 1121, a rotating rod shaft 1122 and a driven gear 1123, the end of the rotating rod shaft 1122 is rotatably connected with the inside of the filtering box 2, the driven gear 1123 is arranged on the rotating rod shaft 1122, the elastic telescopic rod 1121 can elastically stretch and retract, one end of the elastic telescopic rod 1121 is connected with the side part of the rotating rod shaft 1122, and the end of the elastic telescopic rod 1121 far away from the rotating rod shaft 1122 is provided with a scraping member; the pushing piece 111 comprises an arc-shaped rack 1111, a sliding block 1112, an outer baffle 1113 and an elastic piece 1114, wherein the sliding block 1112 is arranged on the inner wall of the arc top 22 and is in sliding fit with the same, one end of the arc-shaped rack 1111 is fixedly connected with the sliding block 1112, the other end of the arc-shaped rack 1111 penetrates through the side wall of the filter box 2, and the arc-shaped rack 1111 is meshed with the driven gear 1123; the outer baffle 1113 is disposed at the outer end of the arc rack 1111 and the elastic member 1114 is disposed between the outer baffle 1113 and the outer wall of the filter housing 2; in the present embodiment, when the flat filter plate 8 rotates to the end of the arc top 22, the scraping member and the slider 1112 are abutted against the surface of the flat filter plate 8, the slider 1112 is pushed along with the rotation of the flat filter plate 8, the slider 1112 moves on the inner wall of the arc top 22, and the arc rack 1111 is caused to move; because the arc-shaped rack 1111 is meshed with the driven gear 1123, the movement of the scraping assembly 11 can drive the rotation rod shaft 1122 to rotate and the elastic telescopic rod 1121 to rotate, so that the scraping element rotates to generate a force with the surface of the flat filter plate 8; and the scraping piece always contacts the outer wall of the flat filter plate 8 due to the elastic expansion and contraction of the elastic expansion rod 1121; the scraping piece can further scrape off cinder on the surface of the flat filter plate 8; wherein the elastic member 1114 is a spring plate or a spring;
In one embodiment, as shown in fig. 4, the scraping element includes a scraping plate 1124, a rotating column 1125 and a scraping pad 1127, the scraping plate 1124 is disposed at an end of the elastic expansion link 1121, the rotating column 1125 is fixed on the scraping plate 1124, and the rotating column 1125 is elastically and rotatably connected with the end of the elastic expansion link 1121 by a torsion spring 1126; a scraper pad 1127 is provided on the end face of the scraper 1124 facing the flat filter plate 8; in this embodiment, since the scraper 1124 elastically rotates with the elastic telescopic rod 1121, when the flat filter plate 8 contacts with the scraper, the front surface of the scraper 1124 abuts against the surface of the flat filter plate 8, and during the rotation of the flat filter plate 8 and the elastic telescopic rod 1121, the front surface of the scraper 1124 always abuts against the end surface of the flat filter plate 8, so that the cleanliness of scraping can be improved;
in one embodiment, as shown in fig. 2, the pumping assembly 1 comprises a pumping pipe 101, a spiral pumping auger 102, a pumping motor 103 and a connecting water guide pipe 104, wherein the pumping pipe 101 is used for extending into a coal mine, and the bottom end part of the pumping pipe contacts with coal water in the mine; the spiral water pumping auger 102 is arranged in the water pumping pipe 101, the water pumping motor 103 is arranged at the top end of the water pumping pipe 101 and used for driving the spiral water pumping auger 102 to rotate, one end of the connecting water guiding pipe 104 is connected with the side wall of the top of the filtering box body 2, and the other end of the connecting water guiding pipe is communicated with the side part of the top of the water pumping pipe 101; in the embodiment, the spiral water pumping auger 102 is driven to rotate by the water pumping motor 103, so that coal water can be pumped upwards and guided into the filter box body 2 through the connecting water guide pipe 104;
in one embodiment, as shown in fig. 2, the slag discharging port 6 is further provided with a blocking cover 7, the blocking cover 7 includes a cover plate 71, an elastic rotation connecting seat 72 and a support arm 73, the elastic rotation connecting seat 72 is fixed on the side wall of the filtering box 2, and one end of the support arm 73 is elastically and rotatably connected with the elastic rotation connecting seat 72; the other end of the support arm 73 is fixedly connected with a cover plate 71, the cover plate 71 is used for plugging the slag discharge port 6, a top rod piece 12 is arranged at the position, close to the slag discharge port 6, of the end face of the flat filter plate 8, and when the flat filter plate 8 is in rotary contact with the scraping assembly 11 and the top rod piece 12, the end part of the top rod piece 12 is just propped against the inner wall of the cover plate 71; in the embodiment, the flat filter plate 8 is driven to rotate by the driving piece 13, the ejector rod piece 12 rotates along with the flat filter plate 8, and when the flat filter plate 8 rotates to the scraping assembly 11, the ejector rod piece 12 abuts against the inner wall of the cover plate 71; the flat filter plate 8 continues to rotate and the top rod piece 12 can push the cover plate 71 open, so that the slag discharge port 6 is opened; and further, the cinder on the flat filter plate 8 can realize automatic discharging.
In one embodiment, as shown in fig. 2 and fig. 5, the side wall of the filtering box 2 is further provided with a slag collecting box 5 positioned at the slag discharging port 6 and used for storing coal slag, the slag collecting box 5 comprises a slag collecting tank 51 and an upper cover plate 52, and the side wall of the slag collecting tank 51 is connected with the side part of the filtering box 2; the upper cover plate 52 is arranged at the upper port of the collecting tank 51 and can slide laterally; the end part of the collecting tank 51, which faces the slag discharge port 6, is provided with a baffle strip 53, the baffle strip 53 can be stirred when the cover plate 71 rotates outwards, the end part of the upper cover plate 52, which is far away from the slag discharge port 6, is provided with a lower folded plate 54, and the lower folded plate 54 is connected with the side wall of the collecting tank 51 through a reset elastic piece 55; in this embodiment, when the cover plate 71 is separated from the slag discharge port 6 and rotates outwards, the bottom of the cover plate 71 can stir the barrier strip 53 and push the upper cover plate 52 to a side far away from the slag discharge port 6, so that one end of the upper port of the collecting tank 51, which is close to the slag discharge port 6, is opened, and further the collection of coal slag is facilitated.
The embodiment discloses an emergency drainage device for coal mining, wherein a water pumping assembly 1 pumps coal water in a coal mine into a filtering box body 2, firstly, water and coal slag are separated through filtering of a flat filter plate 8, and the water flows downwards and is led out through a drainage pipe body 4 after being filtered by the flat filter plate 8; when the coal slag is accumulated on the flat filter plate 8 by a certain amount, the slag discharging rotating shaft 81 is driven to rotate by the driving piece 13, the slag discharging rotating shaft 81 drives the flat filter plate 8 to rotate upwards in an inclined way, and the arc filter plate 9 rotates in an inclined way, so that coal water conveyed by the water pumping assembly 1 can be continuously filtered through the flat filter plate 8 and the arc filter plate 9, when the flat filter plate 8 rotates to contact with the end part of the arc top 22, the arc filter plate 9 can completely shield the connection port of the water pumping assembly 1 and the filter box body 2, and the coal water conveyed by the water pumping assembly 1 is completely filtered by the arc filter plate 9, and because the arc filter plate 9 is in an inclined state and is in an arc shape, the filtered water is guided by the arc filter plate 9 to flow downwards in an inclined way, and cannot flow to the slag discharging port 6; the flat filter plate 8 continues to rotate upwards, so that the pushing piece 111 is driven to rotate around the central line of the slag discharging rotating shaft 81 on the inner wall of the arc top 22, the pushing piece 111 moves to enable the scraping piece 112 to rotate, the end part of the scraping piece 112 always supports against the end surface of the flat filter plate 8, and slides with the end surface of the flat filter plate 8 along with the rotation of the pushing piece, so that the end part of the scraping piece 112 can scrape coal slag on the flat filter plate 8 downwards; coal cinder is discharged through the opened slag discharging port 6; after the cinder is completely discharged, the driving piece 13 is used for driving the cinder discharging rotating shaft 81 to rotate again and resetting the flat filter plate 8; the cinder filtered by the arc filter plate 9 is blocked by the arc bottom 21 because the arc filter plate 9 is attached to the inner wall of the arc bottom 21, and is placed on the surface of the flat filter plate 8 after the flat filter plate 8 is reset; the reciprocating operation can realize continuous coal cinder scraping under the uninterrupted pumping of coal water, and the efficiency of coal mine drainage can be effectively improved.
The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (5)
1. The emergency drainage device for coal mining comprises a water pumping assembly, a filtering box body, a drainage pipe body and a slag discharge port, wherein the water pumping assembly is used for pumping out coal water in a coal mine and conveying the coal water into the filtering box body; the water draining pipe body and the slag discharging port are arranged on the side wall of the filtering box body, and the filtering box body can filter coal water and drain the filtered coal slag and the filtered water respectively through the slag discharging port and the water draining pipe body; the filter box is characterized in that the bottom of the filter box body is provided with an arc bottom which is in a quarter-circle shape, and the top of the filter box body is provided with an arc top;
The end part, which is close to the slag discharge port, is rotatably connected with the inner wall of the filtering box body through the flat filter plate;
The end part of the flat filter plate, which is far away from the slag discharge port, is provided with an arc filter plate, and the arc filter plate has the same shape as the arc bottom and is attached to the inner wall of the arc bottom;
the central lines of the arc bottom and the arc top are overlapped with the axis of the deslagging rotating shaft, and a scraping assembly is arranged on the inner wall of the arc top;
The scraping assembly comprises a pushing piece and a scraping piece, the pushing piece is elastically arranged on the inner wall of the arc top in a sliding manner, one end of the scraping piece is rotatably arranged on the inner wall of the arc top, and the pushing piece can drive the scraping piece to rotate when moving on the inner wall of the arc top;
a driving piece capable of driving the slag discharging rotating shaft to rotate is arranged on the outer wall of the filtering box body;
When the driving piece drives the slag discharging rotating shaft to rotate, the flat filter plate rotates along with the slag discharging rotating shaft, and the end part rotating to the top of the arc is just contacted with the end parts of the scraping piece and the pushing piece;
The driving piece comprises a screw rod, a straight rack and a power piece;
The end part of the screw rod is rotatably arranged on the outer wall of the filter box body through a support, and the power piece is arranged at one end of the screw rod and can drive the screw rod to rotate;
The straight rack is arranged on the outer wall of the filtering box body in a sliding manner, and the screw rod spirally penetrates through one end part of the straight rack;
One end of the deslagging rotating shaft penetrates through the side wall of the filtering box body, a driving gear is arranged at the end part of the deslagging rotating shaft, and the driving gear is meshed with the straight rack;
the scraping piece comprises an elastic telescopic rod, a rotating rod shaft and a driven gear;
the end part of the rotating rod shaft is rotationally connected with the inside of the filter box body, and the driven gear is arranged on the rotating rod shaft;
the elastic telescopic rod can elastically stretch and retract, one end of the elastic telescopic rod is connected with the side part of the rotating rod shaft, and the end part, far away from the rotating rod shaft, of the elastic telescopic rod is provided with a scraping part;
The pushing piece comprises an arc-shaped rack, a sliding block, an outer baffle and an elastic piece;
The sliding block is arranged on the inner wall of the arc top and is in sliding fit with the inner wall of the arc top, one end of the arc rack is fixedly connected with the sliding block, the other end of the arc rack penetrates through the side wall of the filter box body, and the arc rack is meshed with the driven gear;
the outer baffle plate is arranged at the outer end part of the arc-shaped rack, and the elastic piece is arranged between the outer baffle plate and the outer wall of the filtering box body.
2. The emergency drainage device for coal mining according to claim 1, wherein the scraping member comprises a scraping plate, a rotating column and a scraping pad;
the scraping plate is arranged at the end part of the elastic telescopic rod, the rotating column is fixed on the scraping plate, and the rotating column is elastically connected with the end part of the elastic telescopic rod in a rotating manner through the torsion spring;
the scraping pad is arranged on the end face of the scraping plate facing the flat filter plate.
3. The emergency drainage device for coal mining according to claim 1, wherein the water pumping assembly comprises a water pumping pipe, a spiral water pumping auger, a water pumping motor and a connecting water guiding pipe;
the water suction pipe is used for extending into the coal mine and the bottom end part of the water suction pipe contacts coal water in the mine;
The spiral water pumping auger is arranged in the water pumping pipe, and the water pumping motor is arranged at the top end part of the water pumping pipe and used for driving the spiral water pumping auger to rotate;
one end of the connecting water guide pipe is connected with the side wall of the top of the filtering box body, and the other end of the connecting water guide pipe is communicated with the side part of the top of the water suction pipe.
4. The emergency drainage device for coal mining according to claim 1, wherein a blocking cover is further arranged at the deslagging port;
the blocking cover comprises a cover plate, an elastic rotating connecting seat and a support arm;
The elastic rotating connecting seat is fixed on the side wall of the filtering box body, and one end of the support arm is elastically and rotatably connected with the elastic rotating connecting seat;
the other end of the support arm is fixedly connected with a cover plate, the cover plate is used for plugging the deslagging port, and a top rod piece is arranged at the position, close to the deslagging port, of the end face of the flat filter plate;
When the flat filter plate rotates to contact the scraping assembly and the ejector rod piece, the end part of the ejector rod piece just abuts against the inner wall of the cover plate.
5. The emergency drainage device for coal mining of the coal mine according to claim 4, wherein a slag collecting box body which is positioned at a slag discharging port and used for storing coal slag is further arranged on the side wall of the filtering box body;
The slag collecting box body comprises a slag collecting groove and an upper cover plate, and the side wall of the slag collecting groove is connected with the side part of the filtering box body; the upper cover plate is arranged at the upper port of the material collecting groove and can slide laterally;
The end part of the material collecting groove, which faces the slag discharge port, is provided with a blocking strip, and the blocking strip can be stirred when the cover plate rotates outwards;
the end of the upper cover plate far away from the slag discharge port is provided with a lower folded plate, and the lower folded plate is connected with the side wall of the material collecting tank through a reset elastic piece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210528832.5A CN114712915B (en) | 2022-05-16 | 2022-05-16 | Emergency drainage device for coal mining of coal mine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210528832.5A CN114712915B (en) | 2022-05-16 | 2022-05-16 | Emergency drainage device for coal mining of coal mine |
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| CN114712915B true CN114712915B (en) | 2024-05-24 |
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| CN114712915A (en) | 2022-07-08 |
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