CN118253483A - Modularized grate screen and gangue sorting equipment - Google Patents
Modularized grate screen and gangue sorting equipment Download PDFInfo
- Publication number
- CN118253483A CN118253483A CN202410304394.3A CN202410304394A CN118253483A CN 118253483 A CN118253483 A CN 118253483A CN 202410304394 A CN202410304394 A CN 202410304394A CN 118253483 A CN118253483 A CN 118253483A
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- Prior art keywords
- screen
- narrow
- wide
- grate
- gangue
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- 239000002245 particle Substances 0.000 claims abstract description 63
- 239000003245 coal Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 6
- 238000012216 screening Methods 0.000 abstract description 32
- 230000000694 effects Effects 0.000 abstract description 7
- 238000007873 sieving Methods 0.000 abstract 1
- 239000005995 Aluminium silicate Substances 0.000 description 29
- 235000012211 aluminium silicate Nutrition 0.000 description 28
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 28
- 238000001179 sorption measurement Methods 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 13
- 238000007664 blowing Methods 0.000 description 11
- 239000002699 waste material Substances 0.000 description 11
- 239000008187 granular material Substances 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 244000309464 bull Species 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004846 x-ray emission Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/12—Apparatus having only parallel elements
- B07B1/14—Roller screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4645—Screening surfaces built up of modular elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/3416—Sorting according to other particular properties according to radiation transmissivity, e.g. for light, x-rays, particle radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
- B07C5/365—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a modularized grate screen and gangue sorting equipment, belongs to the technical field of screening, and aims to solve the problems that the grate screen in the prior art cannot adapt to screening of gangue particles with different granularity components, and screening efficiency and screening effect are affected. The modularized grate comprises at least one group of narrow sieves and at least one group of wide sieves which are alternately arranged, wherein the narrow sieves and the wide sieves are detachably and fixedly connected. The invention can be used for sieving gangue particles.
Description
Technical Field
The invention belongs to the technical field of screening, and particularly relates to a modularized grate screen and coal gangue sorting equipment.
Background
The grate is screening equipment without consuming energy, does not need any driving force when screening the gangue particles, and mainly utilizes the fall of the gangue particles to carry out screening and grading treatment in the process that the gangue particles naturally slide through the screen.
However, the length of the existing grate is usually determined, and the length of the grate cannot be adjusted according to actual needs, so that the existing grate cannot adapt to the screening of gangue particles with different granularity components, and the screening efficiency and the screening effect are affected.
Disclosure of Invention
In view of the above analysis, the invention aims to provide a modularized grate and a gangue sorting device, which are used for solving the problems that the grate in the prior art cannot adapt to the screening of gangue particles with different granularity components, and the screening efficiency and the screening effect are affected.
The aim of the invention is mainly achieved by the following technical scheme.
The invention provides a modularized grate screen, which comprises at least one group of narrow screens and at least one group of wide screens which are alternately arranged, wherein the narrow screens are detachably and fixedly connected with the wide screens.
Further, the number of the narrow sieves and the number of the wide sieves are 2-4 groups.
Further, the narrow screen comprises a narrow net and two connecting plates, one side of the narrow net is fixedly connected with one connecting plate, and the other side of the narrow net is fixedly connected with the other connecting plate.
Further, the wide screen comprises a wide screen and two sliding plates, one side of the wide screen is fixedly connected with one sliding plate, the other side of the wide screen is fixedly connected with the other sliding plate, and a sliding groove is formed in the inner side of the sliding plate.
Further, in the adjacent narrow screen and wide screen, the connecting plate is inserted into the sliding groove of the sliding plate and is in sliding fixed connection with the sliding plate.
Further, the length of the sliding plate of the wide screen is larger than that of the wide screen, and the length of the connecting plate of the narrow screen is smaller than that of the narrow screen.
Further, in the plane direction in which the gangue particles travel, the narrow and wide meshes are not in the same plane and have overlapping portions.
Further, the mesh sizes of the narrow and wide webs are the same; the meshes of the overlapping portions of the narrow and wide webs are fully coincident.
The invention also provides coal gangue sorting equipment, which comprises the modularized grate.
The invention also provides a gangue sorting method, which adopts the gangue sorting equipment to sort gangue particles.
Compared with the prior art, the invention can realize at least one of the following beneficial effects.
According to the modularized grate provided by the invention, the narrow screens and the wide screens are combined in a modularized manner, and in practical application, the lengths of the whole modularized grate can be adjusted by connecting different numbers of the narrow screens and the wide screens, so that the screening efficiency and the screening effect of the modularized grate are adjusted, and the modularized grate is suitable for screening gangue particles with different granularity components.
In the invention, the technical schemes can be mutually combined to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the embodiments of the invention particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, like reference numerals being used to refer to like parts throughout the several views.
FIG. 1 is a schematic view of a modular grate according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of a gangue sorting apparatus according to a second embodiment of the present invention;
Fig. 3 is a schematic structural diagram of a jack-up member in a gangue sorting apparatus according to a second embodiment of the present invention.
Reference numerals:
1-a conveying chute; 2-a conveying assembly; 3-a housing; 4-compressed air storage tanks; 5-an air compressor; 6-a true color camera; 7-X-ray emission end; an 8-X ray receiving end; 9-a master controller; 10-a waste chute; 11-kaolin chute; 12-a support frame; 13-lifting plates; 14-a first support bar; 15-a second support bar; 16-a first adsorption screw; 17-a second adsorption screw; 18-a first thread sleeve; 19-a second thread bush; 20-a first rotating rod; 21-a second rotating rod; 22-a first drive shaft; 23-a first through hole; 24-a first electromagnet; 25-a second drive shaft; 26-a second through hole; 27-a second electromagnet; 28-slide rails; 29-a roller screen; 30-feeding groove; 31-screening; 311-narrow web; 312-connecting plates; 313-wide web; 314-slide plate.
Detailed Description
The following detailed description of preferred embodiments of the invention is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the invention, are used to explain the principles of the invention and are not intended to limit the scope of the invention.
Example 1
The embodiment provides a modularized grate screen, referring to fig. 1, comprising at least one group of narrow screens and at least one group of wide screens which are alternately arranged, wherein the narrow screens are detachably and fixedly connected with the wide screens.
Compared with the prior art, the modularized grate provided by the embodiment is used for modularly combining the narrow screen and the wide screen, and in practical application, the whole length of the modularized grate can be adjusted by connecting different numbers of the narrow screens and the wide screens, so that the screening efficiency and the screening effect of the modularized grate are adjusted, and the modularized grate is suitable for screening gangue particles with different granularity components.
From the viewpoints of screening efficiency and screening effect, the number of the narrow screens and the number of the wide screens are 2-4 groups.
The narrow screen comprises a narrow net 311 and two connecting plates 312, one side of the narrow net 311 is fixedly connected with one of the connecting plates 312, and the other side of the narrow net 311 is fixedly connected with the other connecting plate 312. The wide screen comprises a wide screen 313 and two sliding plates 314, one side of the wide screen 313 is fixedly connected with one sliding plate 314, the other side of the wide screen 313 is fixedly connected with the other sliding plate 314, and the inner side of the sliding plate 314 is provided with a sliding groove.
In the adjacent narrow and wide screens, the connection plate 312 is slidably and fixedly connected to the sliding plate 314, and the connection plate 312 is located inside the sliding plate 314.
It should be noted that, because there is a gap at the connection between the narrow screen and the wide screen, the gangue particles easily fall directly from the gap of the grate screen without screening, and therefore, the length of the sliding plate 314 of the wide screen is greater than that of the wide screen 313, the length of the connecting plate 312 of the narrow screen is less than that of the narrow screen 311, and the narrow screen 311 and the wide screen 313 are not in the same plane and have overlapping parts along the plane direction in which the gangue particles travel. Therefore, through improving specific parameters and structures in the narrow screen and the wide screen, gaps at the connecting positions between the narrow screen and the wide screen can be eliminated, and therefore screening precision of the modularized grate screen can be further improved.
The mesh sizes of the narrow mesh 311 and the wide mesh 313 are the same, and the mesh of the overlapping portion of the narrow mesh 311 and the wide mesh 313 is completely overlapped, so that the occurrence of the change in the screening size is avoided.
Example two
The embodiment provides coal gangue sorting equipment, referring to fig. 2, comprising the modularized grate provided in the first embodiment.
Compared with the prior art, the beneficial effects of the gangue sorting equipment provided by the embodiment are basically the same as those of the modularized grate provided by the embodiment I, and are not repeated here.
It will be appreciated that the above-described gangue sorting apparatus further comprises a feed chute 30, a roller screen 29, a conveyor assembly 2, a blowing assembly, a true color camera 6, an X-ray detector, a waste chute 10, a kaolin chute 11 and a general controller 9 in order to enable subsequent further sorting. Along gangue granule direction of operation, go into silo 30, comb sieve 31, roller screen 29 and conveying component 2 and set gradually, wherein, the aperture of comb sieve 31 is less than the aperture of roller screen 29, true color camera 6 and X-ray detector locate on conveying component 2's the gangue conveying path in proper order along gangue granule direction of operation, the jetting subassembly is located conveying component 2 discharge end below, waste material chute 10 and kaolin chute 11 are located conveying component 2 discharge end's below and along keeping away from the discharge end in proper order gradually, total controller 9 is connected with true color camera 6, X-ray detector and jetting subassembly respectively.
The gangue sorting equipment adopting the structure has the following technical effects:
On the one hand, the grate screen 31 is combined with the roller screen 29, and the grate screen 31 is arranged at the discharge hole of the feeding trough 30 with more coal gangue particles, so that the coal gangue particles can be pre-screened, part of small coal gangue particles can be screened out, and then the small coal gangue particles are secondarily screened through the roller screen 29, so that the screening amount of the roller screen 29 is reduced, and the abrasion of the screen disc 33 and the roller 32 of the roller screen 29 can be reduced on the premise of ensuring the processing capacity and the screening efficiency; in addition, set up the comb screen 31 between pan feeding groove 30 and roller screen 29, the impact force of gangue granule that the comb screen 31 was discharged from pan feeding groove 30 can fully be buffered, reduces the impact force of gangue granule to roller screen 29, not only can further reduce the wearing and tearing of screen tray 33 and roller 32 of roller screen 29, can also reduce the noise pollution of multistage screening plant.
On the other hand, the grate screen 31 is adopted to pre-screen the gangue particles, so that the content of small particles is reduced, the accumulation of the gangue particles on the roller screen 29 can be reduced, and the screening precision is improved.
On the other hand, two high-efficiency and high-accuracy X-ray identification and true color camera 6 identification are combined by a physical method, firstly, the true color camera 6 is adopted to primarily identify the coal gangue particles, primarily determined kaolin particles are primarily separated, and then, secondary confirmation is carried out by an X-ray detector, so that the kaolin separation quality, separation accuracy and separation efficiency can be effectively improved, the waste of the kaolin and environmental pollution can be effectively reduced, and the recycling and reduction comprehensive utilization of the coal gangue particles can be realized.
As for the structure of the X-ray detector, specifically, it includes an X-ray emitting end 7 and an X-ray receiving end 8 corresponding to the position of the X-ray emitting end 7, the X-ray emitting end 7 is located above the coal gangue particles, and the X-ray receiving end 8 is located below the coal gangue particles. The X-ray emitting end 7 and the X-ray receiving end 8 are illustratively arranged in a vertical direction.
In order to effectively reduce the dust volume in the separation process, the gangue separation equipment further comprises a shell 3, a conveying component 2, a blowing end of the blowing component, a true color camera 6 and an X-ray detector are all arranged in the shell 3, two ends of the shell 3 are respectively provided with a feed inlet and a discharge outlet, the conveying component 2 is arranged along the direction from the feed inlet to the discharge outlet, the feed end of the conveying component 2 is close to the feed inlet, the discharge end of the conveying component 2 is close to the discharge outlet, and an X-ray emission end 7 and the true color camera 6 are arranged at the top of the shell 3.
To the structure of conveying subassembly 2, specifically, it includes frame, conveyer belt, cylinder, driving motor and transport controller, and the cylinder is located the both ends of frame and rotates with the frame to be connected, and the cover is established respectively on the cylinder at the both ends of conveyer belt, and the cylinder rotates and drives the conveyer belt operation, and driving motor is used for driving the cylinder and rotates, and transport controller is connected with total controller 9 and driving motor respectively for control driving motor's opening and closing and rotation rate.
The structure of the blowing assembly specifically comprises an air compressor 5, a compressed air storage tank 4, a nozzle and a blowing controller, wherein the air compressor 5, the compressed air storage tank 4 and the nozzle are sequentially connected, the blowing controller is connected with a master controller 9, and the blowing controller is used for controlling the opening and closing of the nozzle.
In order to better separate the kaolin particles from the waste particles, the above conveying assembly 2 further comprises a jacking member, see fig. 3, located in front of the roller near the discharge end side, and having a distance between the jacking member and the roller of 0.1-0.5 mm, for jacking the conveying belt corresponding to the kaolin particles, thereby improving the falling height and horizontal movement distance of the kaolin particles, and further ensuring that the kaolin particles fall into the kaolin chute 11.
To the structure of jack-up piece, specifically, it includes carriage 12, extensible member and lifter 13, wherein, carriage 12 and frame fixed connection, and the extensible member is arranged in carriage 12, and the lower extreme and the carriage 12 fixed connection of extensible member, lifter 13 locate the top of extensible member, and extensible member supports lifter 13, and when the conveyer belt that corresponds with the kaolin granule moves to the extensible member top, the top upward movement of extensible member will jack-up with the conveyer belt that corresponds with the kaolin granule for the height of kaolin granule increases.
Illustratively, the two sides of the support frame 12 are provided with transmission shafts, and the bottom of the support frame 12 is provided with a sliding rail 28; the transmission shaft is connected with the roller through a synchronous belt, and the roller drives the transmission shaft to synchronously rotate through the synchronous belt; a through hole is formed in the center of the transmission shaft, and an electromagnet is arranged in the through hole; the extensible member includes bracing piece, absorption lead screw, thread bush and bull stick, from last to the bull stick to keeping away from the side direction slope of braced frame 12, the bottom of bracing piece insert in slide rail 28 and with slide rail 28 sliding connection, the top of bracing piece and the outer wall fixed connection of thread bush, the thread bush locate the outer wall of absorption lead screw and with absorption lead screw threaded connection, the bottom of bull stick is connected with the outer wall rotation of thread bush, the top and the lifter plate 13 rotation of bull stick are connected.
When the method is implemented, if the coal gangue particles are primarily determined to be kaolin particles, when countdown is finished, the controller controls the electromagnet to be electrified, the electromagnet generates suction, the suction adsorbs the lead screw through the suction, the lead screw is enabled to move towards the direction close to the through hole, the included angle between the rotating rod and the horizontal direction is increased, and the lifting plate 13 is driven to lift; the adsorption screw rod is inserted into the through hole, and the support rod slides along the slide rail 28; the transmission shaft drives the adsorption screw rod to rotate, further drives the threaded sleeve to slide along adsorption, further increases the included angle between the rotating rod and the horizontal direction, and drives the lifting plate 13 to further rise; the lifting plate 13 is lifted up so that the conveyor belt corresponding to the kaolin particles is lifted up, and the height of the kaolin particles increases.
It should be noted that, in order to enable automatic resetting of the suction screw so that the conveyor belt corresponding to the scrap particles is not lifted, the number of the above-mentioned telescopic members is exemplified as two, that is, the lifting members include a first support rod 14, a second support rod 15, a first suction screw 16, a second suction screw 17, a first screw bush 18, a second screw bush 19, a first rotating rod 20 and a second rotating rod 21; a first transmission shaft 22 is arranged on one side of the supporting frame 12, the first transmission shaft 22 is connected with a first roller through a first synchronous belt, the first roller drives the first transmission shaft 22 to synchronously rotate through the first synchronous belt, a first through hole 23 is formed in the center of the first transmission shaft 22, and a first electromagnet 24 is arranged in the first through hole 23; the opposite side of the supporting frame 12 is provided with a second transmission shaft 25, the second transmission shaft 25 is connected with a second roller through a second synchronous belt, the second roller drives the second transmission shaft 25 to synchronously rotate through the second synchronous belt, the center of the second transmission shaft 25 is provided with a second through hole 26, and a second electromagnet 27 is arranged in the second through hole 26.
Tilting from top to bottom in a lateral direction away from the support frame 12 for both the first rotating lever 20 and the second rotating lever 21; the bottom ends of the first support rod 14 and the second support rod 15 are inserted into the slide rail 28 and are in sliding connection with the slide rail 28, the top end of the first support rod 14 is fixedly connected with the outer wall of the first thread bush 18, the first thread bush 18 is sleeved on the outer wall of the first adsorption screw 16 and is in threaded connection with the first adsorption screw 16, the bottom end of the first rotating rod 20 is in rotating connection with the outer wall of the first thread bush 18, and the top end of the first rotating rod 20 is in rotating connection with the lifting plate 13; the second support rod 15 and the bottom end of the second support rod 15 are inserted into the slide rail 28 and are in sliding connection with the slide rail 28, the top end of the second support rod 15 is fixedly connected with the outer wall of the second thread bush 19, the second thread bush 19 is sleeved on the outer wall of the second adsorption screw 17 and is in threaded connection with the second adsorption screw 17, the bottom end of the second rotating rod 21 is in rotational connection with the outer wall of the second thread bush 19, and the top end of the second rotating rod 21 is in rotational connection with the lifting plate 13; the jack-up piece still includes reset spring, and reset spring's one end is connected with first absorption lead screw 16 rotation, and reset spring's the other end is connected with second absorption lead screw 17 rotation, and reset spring is in tensile state all the time.
When the method is implemented, if the coal gangue particles are primarily determined to be kaolin particles, after the countdown is finished, the controller controls the first electromagnet 24 and the second electromagnet 27 to be electrified, the first electromagnet 24 generates suction force to adsorb the first adsorption screw 16, the second electromagnet 27 generates suction force to adsorb the second adsorption screw 17, so that the first adsorption screw 16 moves towards the direction close to the first through hole 23, the second adsorption screw 17 moves towards the direction close to the second through hole 26, the first adsorption screw 16 is inserted into the first through hole 23, the second adsorption screw 17 is inserted into the second through hole 26, the first support rod 14 and the second support rod 15 slide along the sliding rail 28, the included angles between the first rotating rod 20 and the second rotating rod 21 and the horizontal direction are increased, and the first rotating rod 20 and the second rotating rod 21 jointly drive the lifting plate 13 to lift; the lifting plate 13 is lifted up so that the conveyor belt corresponding to the kaolin particles is lifted up, and the height of the kaolin particles increases.
Example III
The embodiment provides a gangue sorting method, which adopts the gangue sorting equipment provided in the second embodiment, and comprises the following steps:
step 1: feeding gangue particles into a feeding end of a grate through a feeding groove;
Step 2: the grate screen is used for pre-screening the gangue particles, and the roller screen is used for secondarily screening the pre-screened gangue particles;
step 3: the gangue particles run on the conveying assembly, and the real-color camera acquires the surface pictures of the gangue particles in real time and sends the pictures to the master controller;
Step 4: the master controller identifies the surface picture and acquires the RGB value of the surface picture, and judges whether the RGB value is in the RGB threshold range (for example, 80-110);
If not, determining that the gangue particles are not kaolin particles, namely waste particles, wherein the waste particles fall into a waste chute;
If yes, preliminarily determining that the gangue particles are kaolin particles, and performing step 5;
step 5: the master controller calculates the conveying time length of the kaolin particles reaching the X-ray detector according to the distance between the true color camera and the X-ray detector and the running speed of the conveying component, starts counting down according to the conveying time length, and sends an X-ray detection instruction to the X-ray detector when the counting down is finished;
Step6: the X-ray detector receives an X-ray detection instruction, and an image of the inside of the gangue particles is acquired by the X-ray detector;
step 7: the master controller identifies the internal image and acquires a penetrability value, and judges whether the penetrability value is within a penetrability threshold range (for example, 200-600);
If not, determining that the gangue particles are not kaolin particles, namely waste particles, wherein the waste particles fall into a waste chute;
If yes, determining that the gangue particles are kaolin particles, and performing step 8;
Step 8: the main controller calculates the discharging time length of the kaolin particles reaching the discharging end of the conveying assembly according to the distance between the X-ray detector and the discharging end of the conveying assembly and the running speed of the conveying assembly, starts counting down according to the discharging time length, and sends a blowing instruction to the blowing assembly when the counting down is finished;
step 9: the blowing component receives the blowing instruction and blows the kaolin particles conveyed to the discharge end of the conveying component, so that the kaolin particles can fall into the kaolin chute at an upward initial speed.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The modularized grate screen is characterized by comprising at least one group of narrow screens and at least one group of wide screens which are alternately arranged, wherein the narrow screens and the wide screens are detachably and fixedly connected.
2. The modular grate of claim 1, wherein the number of narrow and wide screens is 2-4 groups.
3. The modular grate of claim 1, wherein the narrow screen comprises a narrow screen and two connection plates, one side of the narrow screen being fixedly connected to one of the connection plates, the other side of the narrow screen being fixedly connected to the other connection plate.
4. A modular grate screen as claimed in claim 3 wherein the wide screen comprises a wide screen and two sliding plates, one side of the wide screen is fixedly connected to one of the sliding plates, the other side of the wide screen is fixedly connected to the other sliding plate, and the inner sides of the sliding plates are provided with sliding grooves.
5. The modular grate screen of claim 4, wherein the connecting plates are inserted into the sliding slots of the sliding plates and slidably fixedly connected to the sliding plates in adjacent narrow and wide screens.
6. The modular grate of claim 4, wherein the sliding plate length of the wide screen is greater than the length of the wide screen and the web length of the narrow screen is less than the length of the narrow screen.
7. The modular grate of claim 6, wherein the narrow and wide webs are not in the same plane and have overlapping portions along the plane of travel of the gangue particles.
8. The modular grate of claim 7, wherein the mesh sizes of the narrow and wide webs are the same, the mesh openings of the overlapping portions of the narrow and wide webs being fully coincident.
9. A gangue sorting apparatus comprising a modular grate as claimed in any one of claims 1 to 7.
10. A method for sorting coal gangue, characterized in that the coal gangue particles are sorted by the coal gangue sorting apparatus according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410304394.3A CN118253483A (en) | 2024-03-18 | 2024-03-18 | Modularized grate screen and gangue sorting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410304394.3A CN118253483A (en) | 2024-03-18 | 2024-03-18 | Modularized grate screen and gangue sorting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118253483A true CN118253483A (en) | 2024-06-28 |
Family
ID=91604738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410304394.3A Pending CN118253483A (en) | 2024-03-18 | 2024-03-18 | Modularized grate screen and gangue sorting equipment |
Country Status (1)
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2024
- 2024-03-18 CN CN202410304394.3A patent/CN118253483A/en active Pending
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