CN210358147U - Coal gangue sorting device based on X-ray - Google Patents
Coal gangue sorting device based on X-ray Download PDFInfo
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- CN210358147U CN210358147U CN201920919145.XU CN201920919145U CN210358147U CN 210358147 U CN210358147 U CN 210358147U CN 201920919145 U CN201920919145 U CN 201920919145U CN 210358147 U CN210358147 U CN 210358147U
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Abstract
The utility model provides a coal and gangue sorting device based on X-ray, belonging to the technical field of coal mining equipment, comprising a raw coal conveyer belt, a gangue sorter, a lump coal conveyer belt and a gangue conveyer belt, wherein the raw coal conveyer belt is used for conveying raw coal; the gangue separator comprises a separation conveyer belt arranged below the raw coal conveyer belt, an X-ray detector arranged above the separation conveyer belt, an air injection mechanism arranged on one side of the separation conveyer belt and used for injecting air to the separation conveyer belt, and a first controller electrically connected with the X-ray detector and the air injection mechanism respectively; one end of the lump coal conveying belt is arranged below the output end of the sorting conveying belt; the gangue conveyor belt is arranged at the other side of the separation conveyor belt. The utility model discloses whole device simple structure, convenient operation, and only occupy the width of two conveyer belts, have extremely strong adaptability to narrow space under the ore deposit, can directly arrange in the tunnel in colliery, be convenient for under the ore deposit to the sorting of waste rock and coal.
Description
Technical Field
The utility model belongs to the technical field of coal mining equipment, more specifically say, relate to a coal gangue sorting unit based on X ray.
Background
Coal is the main energy source in China. However, in the process of coal resource development, a plurality of ecological environmental problems are generated, such as: land collapse caused by coal mining seriously damages the surface ecology; a large amount of gangue, waste water and waste gas are discharged outside, the environment is polluted, land occupation and other hazards are caused, and the ecological environment is seriously influenced.
In recent years, with the soundness of environmental laws and regulations in China, the construction of green mines is a necessary direction for the development of new and old coal enterprises in China, and the green mines not only require that the mining of coal must be scientific and orderly, but also require that the mining area and the surrounding environment are kept within a controllable range with no pollution and low damage.
① ground gangue dump damage, namely the coal mine adopts a mode of transporting, sorting and stacking the gangue, the transportation capacity of a lifting shaft can be greatly occupied by the processing mode, so that a gangue dump wastes a large amount of land resources, a gangue discharge site is nearly saturated, meanwhile, the gangue dump has potential safety hazards of spontaneous combustion, landslide and the like, and the drenching water can also seriously damage the environment of a mining area, ② surface collapse problem is prominent, the coal mining mode of the coal mine is a full collapse method, so that the surface of the ground sinks, collapses and farmland is damaged to different degrees, the collapse area is about 2300 mu, ③ underground aquifer is damaged, the aquifer is distorted and broken, the underground water system is damaged, and water permeation accidents are easy to occur.
The problems can be solved by separating gangue and coal under the mine, but the existing coal gangue separation equipment has overlarge volume, occupies a large space when used under the mine, needs to dig a large-scale chamber underground, is not beneficial to saving the production cost, increases the running danger of the coal mine, and is difficult to be applied under the mine.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coal gangue sorting unit based on X ray to solve the coal gangue sorting that exists among the prior art and be difficult to be applied to the technical problem under the ore deposit because of the equipment volume is too big.
In order to achieve the above object, the utility model adopts the following technical scheme: the coal and gangue sorting device based on the X-ray comprises a raw coal conveying belt, a gangue sorter, a lump coal conveying belt and a gangue conveying belt, wherein the raw coal conveying belt is used for conveying raw coal; the gangue separator comprises a separation conveyer belt arranged below the output end of the raw coal conveyer belt, an X-ray detector arranged above the separation conveyer belt, an air injection mechanism arranged on one side of the separation conveyer belt and used for injecting air to the separation conveyer belt, and a first controller electrically connected with the X-ray detector and the air injection mechanism respectively; one end of the lump coal conveying belt is arranged below the output end of the sorting conveying belt; the gangue conveyor belt is arranged at the other side of the separation conveyor belt.
Furthermore, the coal and gangue sorting device based on the X-ray further comprises a vibration coal feeder, wherein the vibration coal feeder is arranged between the raw coal conveying belt and the gangue sorting machine and used for receiving the raw coal conveyed by the raw coal conveying belt and uniformly conveying the raw coal to the gangue sorting machine.
Furthermore, in the aforementioned coal gangue sorting device based on X-ray, the gangue conveyor belt, the lump coal conveyor belt, and the sorting conveyor belt are arranged in parallel, and the operation directions of the lump coal conveyor belt and the sorting conveyor belt are opposite.
Furthermore, the coal and gangue sorting device based on the X-ray also comprises a chute and a slide way, wherein the upper part of the chute is arranged below the vibration coal feeder, and the lower part of the chute is arranged above the lump coal conveyer belt; the slide way is arranged above the chute and is connected with the vibration coal feeder in a sliding way.
Furthermore, in the gangue sorting device based on the X-ray, a partition plate is arranged on the sorting conveyer belt, and an included angle α is formed between the partition plate and the advancing direction of the sorting conveyer belt.
Furthermore, in the coal gangue sorting device based on the X-ray, the included angle α is 45-90 degrees.
Furthermore, the gangue sorting device based on the X-ray also comprises a dust remover, and the dust remover is arranged on one side of the output end of the sorting conveyer belt.
Furthermore, in the gangue sorting device based on the X-ray, the dust remover comprises a dust filtering mechanism and an air compressor with an air inlet end connected with the dust filtering mechanism.
Further, in the gangue sorting device based on the X-ray, the air injection mechanism includes an air injection pipe connected with the air outlet section of the air compressor and an electric control valve disposed on the air injection pipe and electrically connected with the first controller.
Furthermore, in the coal gangue sorting device based on the X-ray, a first baffle is arranged on one side of the gangue conveying belt close to the sorting conveying belt, and the first baffle is connected with the sorting conveying belt; a second baffle is arranged on one side of the gangue conveyor belt far away from the sorting conveyor belt, and the upper part of the second baffle is higher than the sorting conveyor belt; the lower part of the second baffle is bent inwards and is positioned at the upper part of the gangue conveying belt.
The utility model provides a gangue sorting unit based on X ray's beneficial effect lies in: compared with the prior art, the utility model discloses a set up the cooperation of raw coal conveyer belt, waste rock sorter, lump coal conveyer belt and waste rock conveyer belt, the X ray detector who utilizes waste rock sorter detects out the waste rock and selects separately through air jet system, whole device simple structure, convenient operation, and only occupy the width of two conveyer belts, have extremely strong adaptability to narrow space under the ore deposit, can directly arrange in the tunnel in colliery, be convenient for under the ore deposit to the sorting of waste rock and coal.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic view of a working flow of a coal mining, selecting, charging and reserving integrated mining system applied to a gangue sorting device based on X-ray provided by the embodiment of the utility model;
fig. 2 is a schematic diagram of a mining area and a filling area of a coal mining, selecting, filling and reserving integrated mining system arrangement applied by the coal gangue sorting device based on X-ray provided by the embodiment of the utility model;
fig. 3 is a schematic structural diagram of a coal mine mining, selecting, charging and reserving integrated mining system applied to the X-ray-based gangue sorting device provided by the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a gangue storage bin of a coal mining, selecting, charging and reserving integrated mining system applied to the gangue sorting device based on X-ray provided by the embodiment of the utility model;
fig. 5 is a schematic top view of the gangue sorting device based on X-ray according to an embodiment of the present invention;
fig. 6 is a schematic side view of the gangue sorting device based on X-ray according to the embodiment of the present invention;
fig. 7 is the embodiment of the utility model provides a coal mine that gangue sorting device used based on X ray is based on fills and stays integration mining system's waste rock thrust unit's side view structure schematic diagram.
Wherein, in the figures, the respective reference numerals:
100-a mining device;
200-a coal gangue sorting device; 210-raw coal conveyor belt; 220-vibration coal feeder; 230-gangue sorter; 231-a sorting conveyor belt; 232-X-ray detector; 233-an air injection mechanism; 234 — a first controller; 235-a separator; 236-gas lances; 237-an electrically controlled valve; 240-lump coal conveyer belt; 250-a gangue conveying belt; 260-chute; 270-a slide; 280-a dust remover; 281-dust filtering mechanism; 282-air compressor; 291-first baffle; 292-a second baffle;
300-a gangue backfilling device; 310-a support; 320-a top plate; 330-supporting the cylinder group; 340-pushing oil cylinder; 350-pushing and pressing adjusting oil cylinders; 360-pushing seat; 361-push seat adjusting oil cylinder; 362-a first racking panel; 363-a buffer layer; 364-a second racking panel; 365-a shaker; 366-an elastomeric block; 367-a spring; 370-a feed opening; 371-blanking oil cylinder; 380-blanking conveying belt; 391-stroke sensor; 392-a pressure sensor; 393-an angle sensor; 394-a second controller;
400-a lifting device;
500-raw coal screening device; 510-a coal dust conveyor belt;
600-a waste rock storage bin; 610-a gangue trough; 620-gangue crusher; 630-raking and loading machine;
700-lifting the shaft; 710-lanes; 720-a filler; 730-gangue wall; 740-coal seam.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 5 and fig. 6, a description will now be given of the gangue sorting method based on X-ray according to the present invention. The coal and gangue sorting device based on the X-ray comprises a raw coal conveying belt 210, a gangue sorting machine 230, a lump coal conveying belt 240 and a gangue conveying belt 250, wherein the raw coal conveying belt 210 is used for conveying raw coal; the gangue separator 230 comprises a separation conveyer belt 231 arranged below the raw coal conveyer belt 210, an X-ray detector 232 arranged above the separation conveyer belt 231, an air injection mechanism 233 arranged on one side of the separation conveyer belt 231 and used for injecting air to the separation conveyer belt 231, and a first controller 234 electrically connected with the X-ray detector 232 and the air injection mechanism 233 respectively; one end of the lump coal conveyer belt 240 is arranged below the output end of the sorting conveyer belt 231; the gangue conveyor belt 250 is arranged at the other side of the separation conveyor belt 231.
When the coal and gangue separation is performed, the raw coal conveyer belt 210 conveys the raw coal to the separation conveyer belt 231, the X-ray detector 232 identifies the gangue therein and transmits a signal to the first controller 234, the first controller controls the air injection mechanism 233 to inject air to blow the gangue onto the gangue conveyer belt 250 on one side of the separation conveyer belt 231, and the lump coal remains on the separation conveyer belt 231 until being conveyed to one end of the separation conveyer belt 231 and falls on the lump coal conveyer belt 240.
The utility model provides a coal gangue sorting unit based on X ray, compared with the prior art, through setting up raw coal conveyer belt 210, waste rock sorter 230, the cooperation of lump coal conveyer belt 240 and waste rock conveyer belt 250, utilize waste rock sorter 230's X ray detector 232 to detect out the waste rock and select separately through air jet system 233, whole device simple structure, and convenient operation, and only occupy the width of two conveyer belts, narrow space has extremely strong adaptability under the ore deposit, can directly arrange in the tunnel in colliery, be convenient for under the ore deposit to the sorting of waste rock and coal.
Referring to fig. 5 and 6 together, as a specific embodiment of the gangue sorting device based on X-ray according to the present invention, the gangue sorting device 200 further includes a vibration coal feeder 220, a chute 260 and a chute 270, wherein the vibration coal feeder 220 is disposed between the raw coal conveyer belt 210 and the gangue separator 230, and is configured to receive the raw coal conveyed by the raw coal conveyer belt 210 and uniformly convey the raw coal to the gangue separator 230; the upper part of the chute 260 is arranged below the vibration coal feeder 220, and the lower part is arranged above the lump coal conveyer belt 240; the chute 270 is arranged above the chute 260 and is in sliding connection with the vibration coal feeder 220; the gangue conveyor belt 250, the lump coal conveyor belt 240 and the sorting conveyor belt 231 are arranged in parallel, and the operation directions of the lump coal conveyor belt 240 and the sorting conveyor belt 231 are opposite.
When the gangue separator 230 needs to be overhauled, the vibration coal feeder 220 can be driven to be separated from the raw coal conveying belt 210, so that the raw coal on the raw coal conveying belt 210 directly falls on the lump coal conveying belt 240 and is conveyed to the well.
Referring to fig. 5 and 6 together, as a specific embodiment of the coal gangue separation device based on X-ray provided by the present invention, a separating plate 235 is disposed on the separation conveyer belt 231, the separating plate 235 forms an included angle α with the advancing direction of the separation conveyer belt 231, the included angle α is 45 ° to 90 ° so that the gangue can more accurately fall on the gangue conveyer belt 250, the gangue is prevented from being ejected and accumulated on one side of the gangue conveyer belt 250 and rapidly moves along with the gangue conveyer belt 250, and the width of each conveyer belt is saved, a first baffle 291 is disposed on one side of the gangue conveyer belt 250 close to the separation conveyer belt 231, the first baffle 291 is connected to the separation conveyer belt 231, a second baffle 292 is disposed on one side of the gangue conveyer belt 250 away from the separation conveyer belt 231, the upper portion of the second baffle 292 is higher than the separation conveyer belt 231, the lower portion of the second baffle 292 is bent inward and is disposed on the upper portion of the gangue conveyer belt 250 so that the gangue falls on the separation conveyer belt 231, the coal gangue separation device 200 further includes a dust filter 280 including a dust filter mechanism 281 and an air inlet end and an air injection valve 281, and an air injection pipe 282 electrically connected to an air injection control pipe 236 and an air injection control pipe 236.
In order to better explain the invention conception of the book utility model, the utility model provides a coal mine mining, selecting, charging and reserving integrated mining system applying the coal and gangue sorting device based on the X-ray.
Referring to fig. 1 to 3, the coal mining, selecting, filling and remaining integrated mining system includes a mining device 100, a gangue sorting device 200 (i.e., the gangue sorting device based on X-ray), a gangue backfilling device 300 and a gangue storage bin 600, wherein the mining device 100 is used for mining raw coal to form a goaf; the gangue sorting device 200 is connected with the mining device 100 through a raw coal conveying belt 210 and is used for being connected with a lifting device 400 arranged in a lifting shaft 700 through a lump coal conveying belt 240; the gangue backfilling device 300 is arranged behind the mining device 100, is connected with the gangue sorting device 200 through a gangue conveying belt 250 and is used for backfilling gangue to a goaf to form a filling body; the gangue storage bin 600 is arranged between the gangue sorting device 200 and the gangue backfilling device 300 and used for storing gangue so as to balance the supply and demand of gangue sorting and filling.
In coal mining, the raw coal mined by the mining device 100 is conveyed to the gangue separation device 200 to separate gangue from coal blocks, and then the gangue is conveyed back to the gangue backfilling device 300 to fill a goaf, and the coal blocks are conveyed to the lifting device 400 and conveyed to the ground through the lifting shaft 700.
The utility model provides a colliery is adopted to select to fill and is stayed integration mining system, compared with the prior art, through mining device 100, coal gangue sorting unit 200, waste rock backfill device 300 and with store up the cooperation in waste rock storehouse 600 can directly select separately the coal gangue and backfill the waste rock of electing under the ore deposit, avoid the waste rock to promote to ground, reduce the occuping to hoisting device 400 fortune power, and the waste rock can backfill rapidly before the rock mass warp, avoid producing the earth's surface and sink, also can avoid the waste rock to occupy the soil simultaneously, avoid the potential safety hazard of waste rock mountain.
Please refer to fig. 1 to 3 together, as the utility model provides a coal mine is adopted to select and is filled a specific implementation of staying integrated mining system, coal mine is adopted to select and is filled staying integrated mining system still includes along filling the entry device, is used for forming the formation tunnel in the obturator along filling the entry device, including the hydraulic support that is used for supporting the coal wall and the slip casting device that is used for to the lateral part slip casting of obturator.
The utility model discloses a in a specific embodiment, the coal mine is adopted to select to fill and is stayed integrated mining system includes four subsystems such as coal mining system (being "adopt"), coal gangue sorting system (being "select"), gangue filling system (being "fill") and follow by oneself along filling the entry system (being "stay"), wherein, coal mining system includes foretell mining device 100, coal gangue sorting system includes foretell coal gangue sorting device 200, gangue filling system includes foretell gangue backfilling device 300, include foretell along filling the entry system by oneself and keep the entry device, still include other all kinds of conveyer belts and store up auxiliary facilities such as waste bin 600 simultaneously.
The utility model discloses a colliery is adopted to select to fill and is stayed integrated mining system accomplishes the waste rock in the pit and selects separately, will select separately the waste rock transportation to the working face, fills into the collecting space area, carries out simultaneously along filling the entry, realizes no coal pillar exploitation, reaches the purpose of handling the waste rock in the pit, protection ecological environment.
The coal mining system carries out coal recovery, and the gangue filling system is positioned behind the hydraulic support of the coal mining system and is used for filling solid fillers such as gangue and the like into a goaf at the rear part of the working surface. The waste rock filling system is connected with the coal and waste rock sorting system through a waste rock conveying belt. The gangue separation system separates coal and gangue from underground raw coal, the separated coal is conveyed to the ground through the underground transportation system, and the separated gangue is conveyed to a working surface to be filled on site. The mining, selecting, filling and reserving integrated mining system can directly separate coal and gangue underground, and the underground separated gangue and developed gangue are filled into a goaf at the rear part of a working face on site, so that the gangue does not rise into a well, and the problems of cost increase, occupied transportation capacity, environmental damage and the like caused by the original ground treatment of the gangue in a coal mine are effectively solved; the goaf in the traditional sense is eliminated, the overlying strata settlement is quantitatively controlled, a series of safety and environmental problems caused by 'three-down' coal mining are solved, the surface subsidence is effectively controlled, the coal resources under villages are released, and meanwhile, a large amount of relocation cost is saved; by utilizing the novel edge-filling and lane-retaining technology, the problems of roadway maintenance amount and production continuation are reduced, the recovery rate of mine resources is improved, and the service life of a mine is prolonged.
Please refer to fig. 1 to 3 together, as the utility model provides a coal mine is adopted to select and is filled a specific implementation way that stays integrated mining system, coal mine is adopted to select and is filled integrated mining system and still include raw coal screening plant 500, and raw coal screening plant 500 is used for sieving lump coal and coal cinder, and the feed end is connected with mining device 100, and the lump coal discharge end is connected with coal gangue sorting unit 200, and the coal cinder discharge end is connected through coal cinder conveyer belt 510 with hoisting device 400.
Referring to fig. 4, as a specific implementation manner of the coal mining, selecting, charging and remaining integrated mining system provided by the present invention, in the coal mining, selecting, charging and remaining integrated mining system, the waste rock storage bin 600 includes a waste rock groove 610, a waste rock crusher 620 and a raking loader 630, and a slope is disposed on one side of the waste rock groove 610 for storing waste rock; the gangue crusher 620 is arranged at the upper part of the gangue chute 610 and is connected with the front section of the gangue conveyor belt 250; the raking loader 630 is arranged in the gangue trough 610 and is connected with the rear section of the gangue conveyor belt 250.
Please refer to fig. 5 and fig. 6 together, as a specific embodiment of the coal mining, selecting, filling and remaining integrated mining system provided by the present invention, the gangue backfilling device 300 includes a gangue pushing device, and the gangue pushing device is connected to the gangue conveying belt 250 for filling the gangue in the goaf and pushing to form the filling body.
Referring to fig. 7, as a specific embodiment of the coal mining, selecting, filling and remaining integrated mining system provided by the present invention, the gangue pushing device includes a support 310, a top plate 320, a supporting cylinder group 330, a pushing cylinder 340, a pushing adjusting cylinder 350, a pushing seat 360 and a blanking port 370, the support 310 is used for contacting with a working surface; the roof 320 is used to support the upper rock mass; the supporting cylinder group 330 is disposed between the support 310 and the top plate 320 for supporting the top plate 320; one end of the push oil cylinder 340 is hinged with the support 310; one end of the pushing and adjusting oil cylinder 350 is hinged with the top plate 320, and the other end is connected with the middle part of the pushing and adjusting oil cylinder 340; the pushing seat 360 is arranged at the other end of the pushing oil cylinder 340 and is used for pushing gangue; the feed opening 370 is formed at the lower portion of the top plate 320 and above the push base 360.
When gangue is filled and accumulated, the pushing and pressing seat 360 is separated between a gangue filling body and the supporting oil cylinder group 330 of the hydraulic support, the pushing and pressing oil cylinder 340 is driven to push the gangue after the gangue falls to the outer side of the pushing and pressing seat 360 from the feed opening 370, the pushing and pressing adjusting oil cylinder 350 is driven to adjust the angle of the pushing and pressing seat 360, and when the gangue is pushed and pressed stably, the pushing and pressing oil cylinder 340 and the pushing and pressing adjusting oil cylinder 350 are driven to withdraw the pushing and pressing seat 360, the gangue continues to fall to the outer side of the pushing and pressing seat 360 from the feed opening 370, and the steps are repeated.
The utility model provides a waste rock thrust unit, compared with the prior art, through support 310, roof 320, support cylinder group 330, bulldoze hydro-cylinder 340, bulldoze adjusting cylinder 350, bulldoze 360 and feed opening 370 mutually support and can realize the roof pressure to the waste rock pile body, make the waste rock pile body form the filler firmly, and easy operation is convenient, and the seat 360 that bulldozes simultaneously can avoid the waste rock whereabouts, and damage support cylinder group 330 can play the safety protection effect to hydraulic support itself.
Referring to fig. 7, as a specific embodiment of the coal mining, selecting, charging and remaining integrated mining system provided by the present invention, in the gangue pushing device, a feed opening 370 is slidably connected to a top plate 320; two ends of the blanking oil cylinder 371 are respectively connected with the blanking port 370 and the top plate 320 and used for driving the blanking port 370 to slide on the top plate 320; the blanking conveyer belt 380 is arranged at the lower part of the top plate 320, the output end of the blanking conveyer belt is connected with the blanking port 370, and the input end of the blanking conveyer belt is connected with the gangue conveyer belt 250, so that the blanking position can be conveniently determined according to the gangue accumulation condition.
Referring to fig. 7, as a specific embodiment of the coal mining, selecting, filling and remaining integrated mining system provided by the present invention, in the gangue pushing device, the pushing seat 360 includes a first pushing panel 362 hinged to the pushing cylinder 340 and a pushing seat adjusting cylinder 361 with two ends hinged to the pushing cylinder 340 and the first pushing panel 362, respectively; the push socket 360 further includes a second push panel 364 provided in parallel with the first push panel 362, a buffer layer 363 provided between the first push panel 362 and the second push panel 364, and a vibrator 365 provided on the second push panel 364; cushioning layer 363 includes elastomeric blocks 366 and springs 367 disposed within elastomeric blocks 366. The vibrator 365 vibrates to facilitate filling of gangue more stably, the buffer layer 363 can reduce vibration transmission backwards, and parts such as the pushing oil cylinder 340 are prevented from being damaged due to vibration.
Referring to fig. 7, as a specific embodiment of the coal mine mining, selecting, filling and remaining integrated mining system provided by the present invention, the gangue pushing device further includes a stroke sensor 391, a pressure sensor 392, an angle sensor 393 and a second controller 394, the stroke sensor 391 is disposed on the pushing cylinder 340 for detecting the elongation of the pushing cylinder 340; a pressure sensor 392 is provided on the push cylinder 340 for detecting the pressure of the push cylinder 340; the angle sensor 393 is used for detecting an included angle between the pushing oil cylinder 340 and the support 310; the first controller 394 is electrically connected to the vibrator 365, the stroke sensor 391, the pressure sensor 392, the angle sensor 393, the support cylinder group 330, the push cylinder 340, and the push adjustment cylinder 350, respectively. The travel sensor 391, the pressure sensor 392 and the angle sensor 393 are arranged to be beneficial to analyzing the gangue filling effect according to the collected data, determine whether the gangue is filled stably or not, and meanwhile help the second controller 394 to intelligently control other parts.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a gangue sorting unit based on X ray which characterized in that includes:
the raw coal conveying belt is used for conveying raw coal;
the gangue separator comprises a separation conveying belt arranged below the output end of the raw coal conveying belt, an X-ray detector arranged above the separation conveying belt, an air injection mechanism arranged on one side of the separation conveying belt and used for injecting air to the separation conveying belt, and a first controller electrically connected with the X-ray detector and the air injection mechanism respectively;
one end of the lump coal conveying belt is arranged below the output end of the sorting conveying belt; and
and the gangue conveying belt is arranged on the other side of the separation conveying belt.
2. The X-ray based gangue sorting device of claim 1, wherein the X-ray based gangue sorting device further comprises:
and the vibration coal feeder is arranged between the raw coal conveying belt and the gangue separator.
3. The X-ray based gangue sorting device of claim 2, wherein: the gangue conveying belt, the lump coal conveying belt and the separation conveying belt are arranged in parallel, and the operation directions of the lump coal conveying belt and the separation conveying belt are opposite.
4. The X-ray based gangue sorting device of claim 3, wherein the X-ray based gangue sorting device further comprises:
the upper part of the chute is arranged below the vibration coal feeder, and the lower part of the chute is arranged above the lump coal conveyer belt; and
and the slideway is arranged above the chute and is in sliding connection with the vibration coal feeder.
5. The gangue sorting device based on X-ray is characterized in that a partition plate is arranged on the sorting conveying belt, and an included angle α is formed between the partition plate and the advancing direction of the sorting conveying belt.
6. The X-ray based gangue sorting device as claimed in claim 5, wherein said included angle α is 45-90 °.
7. The X-ray based gangue sorting device as claimed in claim 1, 5 or 6, wherein the X-ray based gangue sorting device further comprises:
and the dust remover is arranged on one side of the output end of the sorting conveyer belt.
8. The X-ray based gangue sorting device of claim 7, wherein: the dust remover comprises a dust filtering mechanism and an air compressor, wherein the air inlet end of the air compressor is connected with the dust filtering mechanism.
9. The X-ray based gangue sorting device of claim 8, wherein: the air injection mechanism comprises an air injection pipe connected with the air outlet section of the air compressor and an electric control valve arranged on the air injection pipe and electrically connected with the first controller.
10. The X-ray based gangue sorting device of claim 1, wherein: a first baffle is arranged on one side, close to the sorting conveyer belt, of the gangue conveyer belt and is connected with the sorting conveyer belt; a second baffle is arranged on one side of the gangue conveying belt, which is far away from the sorting conveying belt, and the upper part of the second baffle is higher than the sorting conveying belt; and the lower part of the second baffle is bent towards the inner side and is positioned on the upper part of the gangue conveying belt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920919145.XU CN210358147U (en) | 2019-06-18 | 2019-06-18 | Coal gangue sorting device based on X-ray |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920919145.XU CN210358147U (en) | 2019-06-18 | 2019-06-18 | Coal gangue sorting device based on X-ray |
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| CN210358147U true CN210358147U (en) | 2020-04-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676188A (en) * | 2020-12-29 | 2021-04-20 | 山西三元煤业股份有限公司 | Coal and gangue separation and conveying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676188A (en) * | 2020-12-29 | 2021-04-20 | 山西三元煤业股份有限公司 | Coal and gangue separation and conveying system |
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