CN118892986B - A multi-stage coal preparation system and method for water-washed coal - Google Patents
A multi-stage coal preparation system and method for water-washed coal Download PDFInfo
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- CN118892986B CN118892986B CN202411398449.8A CN202411398449A CN118892986B CN 118892986 B CN118892986 B CN 118892986B CN 202411398449 A CN202411398449 A CN 202411398449A CN 118892986 B CN118892986 B CN 118892986B
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- 239000003245 coal Substances 0.000 title claims abstract description 116
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims description 14
- 239000000428 dust Substances 0.000 claims abstract description 80
- 238000004140 cleaning Methods 0.000 claims abstract description 70
- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 238000012216 screening Methods 0.000 claims abstract description 48
- 238000013519 translation Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims 4
- 238000000926 separation method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005406 washing Methods 0.000 description 21
- 239000004744 fabric Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000002817 coal dust Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003818 cinder Substances 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for 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
-
- 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
- B07B1/50—Cleaning
- B07B1/52—Cleaning with brushes or scrapers
- B07B1/522—Cleaning with brushes or scrapers with brushes
- B07B1/524—Cleaning with brushes or scrapers with brushes the brushes being rotating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
本申请提供了一种用于水洗煤的多级选煤系统及其方法，涉及水洗煤领域，包括框架和侧板，所述框架的一侧固定连接有集尘机构，所述侧板的数量为两个，其中一个所述侧板一侧的底部开设有限位槽，所述限位槽的内部滑动连接有清洁机构，其中一个所述侧板靠近边缘处的一侧固定连接有平移机构。煤炭掉入到第二筛网上后，第三电机启动带动转动板转动，转动板转动时往复拉动拉杆，拉杆往复拉动时带动第一筛网、第二筛网和第三筛网进行往复晃动，进而将对煤炭进行筛选，通过第一筛网、第二筛网和第三筛网不同大小筛孔对不同大小的煤炭进行筛分，进而不需要频繁更换筛网，从而提升了对煤炭筛选的灵活性较低、筛选效果和筛选效率。
The present application provides a multi-stage coal selection system and method for water-washed coal, which relates to the field of water-washed coal, including a frame and a side plate, one side of the frame is fixedly connected with a dust collecting mechanism, the number of the side plates is two, a limiting groove is provided at the bottom of one side of one side of the side plate, a cleaning mechanism is slidably connected inside the limiting groove, and a translation mechanism is fixedly connected to one side of the side plate near the edge. After the coal falls onto the second screen, the third motor starts to drive the rotating plate to rotate, and the rotating plate reciprocates to pull the pull rod when rotating, and the pull rod reciprocates to drive the first screen, the second screen and the third screen to reciprocate and shake, thereby screening the coal, and screening coal of different sizes through the different sizes of sieve holes of the first screen, the second screen and the third screen, so that there is no need to frequently replace the screen, thereby improving the flexibility of coal screening, the screening effect and the screening efficiency.
Description
Technical Field
The invention relates to the field of water-washed coal, in particular to a multi-stage coal dressing system and a multi-stage coal dressing method for water-washed coal.
Background
The water-washing coal technology is to finely wash coal with water, clean gangue in the coal, improve the utilization rate and the heating value of the coal, thereby reducing the transportation cost of the gangue, further improving the added value of the coal, screening the coal during fine washing of the coal, carrying out differentiated washing on the coal, and screening the coal with different specifications by using screening equipment during screening of the coal.
The existing screening equipment is generally only designed to be used for screening a single-layer screen plate, the sizes of the screening holes of the screening plate are fixed, when the coal with different sizes is screened, the screening plates with different apertures need to be replaced, the working efficiency is not high enough, the flexibility is low, the screening effect is poor, meanwhile, some coal dust can be dropped in screening, the dropped coal dust and small coal pieces can enter the screen holes, the screen plate is easy to block, the service life of the screen plate is prolonged, workers are required to clean the device frequently during blocking, the labor intensity is high, and the cleaning burden is heavy.
Therefore, we make improvements to this and propose a multi-stage coal dressing system for water washing coal and a method thereof.
Disclosure of Invention
The invention aims to provide a multi-stage coal dressing system and a method for washing coal, which solve the problems that the existing screening equipment is generally only designed with a single-layer screen plate for screening, the sizes of the screen holes of the screen plate are fixed, when the coal with different sizes is screened, the screen plates with different apertures need to be replaced, the working efficiency is not high enough, the flexibility is low, the screening effect is poor, meanwhile, some coal dust is usually dropped in screening, the dropped coal dust and small coal blocks can enter the screen holes, and the screen plate is easy to block, so that the service life of the screen plate is shortened, workers are required to clean the device frequently during blocking, the labor intensity is high, and the cleaning burden is heavy.
The application is specifically as follows:
The utility model provides a multistage coal preparation system for washing coal, its includes frame and curb plate, one side fixedly connected with dust collection mechanism of frame, the quantity of curb plate is two, one of them the spacing groove has been seted up to the bottom of curb plate one side, the inside sliding connection of spacing groove has clean mechanism, one of them one side fixedly connected with translation mechanism that the curb plate is close to edge, the inside of frame is provided with screening mechanism, one side fixedly connected with of frame inner wall rocks the mechanism.
As the preferable technical scheme of the application, the dust collecting mechanism comprises a folded plate, one side of the folded plate is fixedly connected with a dust collecting box, the top of the folded plate is fixedly connected with an exhaust fan, the other end of the exhaust fan is fixedly connected with an exhaust pipe, the bottom of the exhaust pipe is fixedly connected with the top of the dust collecting box, one side of the dust collecting box is provided with a drawing port, the inside of the drawing port is slidably connected with a filter screen, one side of the filter screen is fixedly connected with a sealing plate, four corners on the outer side of the sealing plate are arranged on one side of the drawing port through mounting first bolts, the bottom of one side of the dust collecting box is provided with a discharge port, one side of the discharge port is provided with a sealing plate, the bottom of the dust collecting box is fixedly connected with a dust collecting hose, the other end of the dust collecting hose is fixedly connected with a cavity plate, and the other side of the cavity plate is provided with three dust collecting rods, and the two sides of the three dust collecting rods are fixedly connected with connecting blocks.
According to the preferred technical scheme, the cleaning mechanism comprises a sliding plate and cleaning brush rods, wherein the bottom of the sliding plate is in sliding connection with the inside of a limiting groove, a first motor is fixedly connected to the middle of the outer side of the sliding plate, first transmission rods are in spline connection with the output ends of the first motor, the number of the cleaning brush rods is three, one side of each cleaning brush rod surface is fixedly connected with gears, the other side of each cleaning brush rod surface is fixedly connected with a first belt pulley, one end of each cleaning brush rod is in rotary connection with the top and the bottom of the other side of the sliding plate through a first bearing, one end of each cleaning brush rod is in rotary connection with the other end of each first transmission rod through a second bearing, the side faces of each first belt pulley are in rotary connection with a second belt pulley through a mounting crawler, the middle of each second belt is fixedly connected with a rotary rod, one end of each rotary rod is in rotary connection with one side of each rotary rod through a third bearing, one end of each rotary rod is in rotary connection with the bottom of each side of each rotary rod through a third bearing, and the other is in rotary connection with the middle of each side of each rotary rod is in the middle of each side of the rotary connection with the three side of each rotary rod through a third bearing.
As the preferable technical scheme of the application, the translation mechanism comprises two mounting plates, the number of the mounting plates is two, the front sides of the two mounting plates are fixedly connected to the bottom of the other side of the frame, one side of one mounting plate is fixedly connected with a second motor, the output end of the second motor is in spline connection with a second transmission rod, the other end of the second transmission rod is fixedly connected with a screw rod, the other end of the screw rod is rotatably connected to one side of the other mounting plate through a fifth bearing, the surface thread of the screw rod is connected with a movable seat, and the other side of the movable seat is fixedly connected to the bottom of the outer side of the sliding plate.
As the preferable technical scheme of the application, the screening mechanism comprises a first screen, the four corners of the first screen are fixedly connected with vertical rods, the two sides of the surface of each vertical rod are fixedly connected with a second screen and a third screen, the surfaces of the top and the bottom of each vertical rod are sleeved with a first spring, the top and the bottom of each vertical rod are spliced with U-shaped plates, and the top and the bottom of each vertical rod are fixedly connected with blocking plates.
As the preferable technical scheme of the application, the shaking mechanism comprises a sleeve frame, one side of the sleeve frame is fixedly connected with a third motor, the output end of the third motor is in spline connection with a third transmission rod, the other end of the third transmission rod is fixedly connected with a rotating plate, the surface of the other side of the rotating plate, which is close to the edge, is rotationally connected with a pull rod through a pin shaft, the other end of the pull rod is rotationally connected with a truss through a first movable hinge, and two sides of the top of the truss are respectively and fixedly connected with the middle parts of the bottoms of two side plates.
As the preferable technical scheme of the application, two sides of the middle parts of the front and back sides of the two side plates are respectively connected with a cross rod through a second movable hinge in a rotating way, the other end of the cross rod penetrates through the surface of the frame and is connected with a circular plate, and one side of the surface of the cross rod is sleeved with a second spring.
As the preferable technical scheme of the application, the surfaces of the two side plates are respectively provided with a first elliptical groove and a second elliptical groove which are matched with the cleaning brush rod and the rotating rod, wherein the surface of the other side plate, which is close to the edge of one side of the second elliptical groove, is provided with a T-shaped chute which is matched with the right angle plate.
The invention also discloses a using method of the multi-stage coal dressing system for water washing coal, which comprises the following steps:
s1, screening coal, namely, the coal drops onto a second screen in a screening mechanism, a third motor is started to drive a rotating plate to rotate, a pull rod is pulled back and forth when the rotating plate rotates, and the first screen, the second screen and the third screen are driven to shake back and forth when the pull rod pulls back and forth, so that the coal is screened;
S2, screen cleaning, namely when coal screening is finished, the first motor drives three gears to rotate, the three gears rotate to drive the cleaning brush rod to rotate so as to clean the first screen, the second screen and the third screen, meanwhile, when the three cleaning brush rods rotate, the second belt pulley is driven to rotate through the first belt pulley, the second belt pulley rotates to drive the rotating rod to rotate, the rotating rod rotates to drive the cams on two sides to rotate so as to beat the first screen, the second screen and the third screen, the coal dust firmly adhered to the first screen, the second screen and the third screen is beaten and dredged, and when the cleaning brush rod and the cams clean the first screen, the second screen and the third screen, the second motor drives the screw rod to rotate, the cleaning brush rod and the cams are driven to move so as to uniformly clean the first screen, the second screen and the third screen;
S3, collecting pulverized coal, wherein when cleaning, an exhaust fan is started, an exhaust pipe is used for extracting air in a dust collection box to enable the dust collection box to generate suction, then raised pulverized coal is pumped through a dust collection hose, the raised pulverized coal enters a cavity plate through a dust collection rod, then enters the dust collection box from the dust collection hose to be collected, and finally the first screen, the second screen and the third screen are cleaned.
Compared with the prior art, the invention has the beneficial effects that:
In the scheme of the application:
1. Through the arrangement of the screening mechanism and the shaking mechanism, after coal falls onto the second screen, the third motor is started to drive the rotating plate to rotate, the pull rod is driven to reciprocate when the rotating plate rotates, and the first screen, the second screen and the third screen are driven to reciprocate to shake when the pull rod reciprocates, so that the coal is screened, the coals with different sizes are screened through the screen holes with different sizes of the first screen, the second screen and the third screen, and the screen is not required to be replaced frequently, so that the flexibility of screening the coal is low, the screening effect and the screening efficiency are improved;
2. through the setting of dust collection mechanism, clean mechanism and translation mechanism, the second motor drives the lead screw and rotates, the lead screw rotates and drives clearance brush-holder stud and cam horizontal migration, first motor drives three gear and rotates, three gear rotates and drives the clearance brush-holder stud and rotate and clear up first screen cloth, second screen cloth and third screen cloth, simultaneously, the second belt pulley is driven through first belt pulley and is rotated when three clearance brush-holder stud rotates, the second belt pulley rotates and drives the bull stick and rotate, the cam rotation that the bull stick rotated the drive both sides is beaten first screen cloth, second screen cloth and third screen cloth, with first screen cloth, second screen cloth and third screen cloth firmly attached the buggy come off and block up the little cinder of sieve mesh and beat the mediation, coal dust is raised during the clearance, the exhaust fan starts, the exhaust column draws the inside air of dust collection box, make the dust collection box produce suction, later, the buggy of raising is passed through the dust collection hose and is got into the cavity inboard, then follow dust collection hose and collect, and then clear up first screen cloth, second screen cloth and third screen cloth, second screen cloth are beaten, the clean screen cloth reduces the workman operator's burden.
Drawings
FIG. 1 is a schematic perspective view of a multi-stage coal dressing system and method for water washing coal according to the present application;
FIG. 2 is a schematic view of a dust collecting mechanism of a multi-stage coal dressing system and method for washing coal according to the present application;
FIG. 3 is a schematic view of a cleaning mechanism of a multi-stage coal preparation system and method for washing coal according to the present application;
FIG. 4 is a schematic diagram of a translation mechanism of a multi-stage coal preparation system and method for washing coal according to the present application;
FIG. 5 is a schematic diagram of a screening mechanism of a multi-stage coal preparation system and method for water washing coal according to the present application;
FIG. 6 is a schematic diagram of a shaking mechanism of a multi-stage coal preparation system and method for washing coal according to the present application;
FIG. 7 is a schematic view of a cleaning mechanism part of a multi-stage coal preparation system and method for washing coal according to the present application;
FIG. 8 is a schematic view of a dust collecting mechanism of a multi-stage coal dressing system and method for washing coal according to the present application;
Fig. 9 is a schematic diagram of the whole structure of a screening mechanism of the multi-stage coal dressing system for water washing coal and the method thereof.
The figures indicate:
1. a frame;
2. a side plate;
3. The dust collecting device comprises a dust collecting mechanism, a dust collecting box, a 32, an exhaust fan, a 33, an exhaust fan, a 34, a filter screen, a 35, a dust collecting hose, a 36, a cavity plate, a 37 and a dust collecting rod;
4. a cleaning mechanism; 41, a sliding plate, 42, a cleaning brush rod, 43, a first motor, 44, a first transmission rod, 45, a gear, 46, a first belt pulley, 47, a second belt pulley, 48, a rotating rod, 49 and a cam;
5. a translation mechanism; 51, a mounting plate, 52, a second motor, 53, a second transmission rod, 54 and a screw rod;
6. the screening mechanism comprises a screening mechanism body, a first screen, a 62, a vertical rod, a 63, a second screen, a 64, a third screen, a 65 and a first spring;
7. The device comprises a shaking mechanism, a sleeve frame, a 72, a third motor, a 73, a third transmission rod, a 74, a rotating plate, 75, a pull rod, 76 and a truss;
8. A cross bar;
9. And a second spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the invention.
Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is merely representative of some embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, under the condition of no conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Referring to fig. 1 to 9, the invention provides a technical scheme that a multi-stage coal dressing system for washing coal comprises a frame 1 and side plates 2, wherein one side of the frame 1 is fixedly connected with a dust collecting mechanism 3, the number of the side plates 2 is two, the bottom of one side plate 2 is provided with a limit groove, the inside of the limit groove is slidingly connected with a cleaning mechanism 4, one side of one side plate 2 close to the edge is fixedly connected with a translation mechanism 5, the inside of the frame 1 is provided with a screening mechanism 6, and one side of the inner wall of the frame 1 is fixedly connected with a shaking mechanism 7.
By adopting the multi-stage coal dressing system for washing coal, disclosed by the invention, after coal is dropped onto the second screen 63 from the blanking hopper, the third motor 72 is started to drive the rotating plate 74 to rotate, the pull rod 75 is pulled back and forth when the rotating plate 74 rotates, the first screen 61, the second screen 63 and the third screen 64 are driven to shake back and forth when the pull rod 75 is pulled back and forth, so that coal with different sizes is screened, the flexibility of screening coal is lower, the screening effect and the screening efficiency are improved, after screening is finished, the first motor 43 drives the three gears 45 to rotate, the three gears 45 rotate to drive the cleaning brush rod 42 to rotate to clean the first screen 61, the second screen 63 and the third screen 64, meanwhile, the three cleaning brush rods 42 rotate to drive the second belt pulley 47 to rotate through the first belt pulley 46, the second belt pulley 47 rotates to drive the rotating rod 48 to rotate, the rotating rod 48 rotates to drive the cams 49 on two sides to rotate so as to beat the first screen 61, the second screen 63 and the third screen 64, the pulverized coal firmly adhered to the first screen 61, the second screen 63 and the third screen 64 is fallen off and small coal cinder blocking the sieve holes is beaten and dredged, the sieve holes of the first screen 61, the second screen 63 and the third screen 64 are cleaned, the labor amount of cleaning workers is reduced, the cleaning burden of the workers is reduced, the dust collection rod 37 moves along with the cleaning brush rod 42 during cleaning, then the exhaust fan 32 is started, the exhaust fan 33 is used for extracting air in the dust collection box 31, suction is generated by the dust collection box 31, the raised pulverized coal is pumped through the dust collection hose 35, and the raised pulverized coal enters the cavity plate 36 through the dust collection rod 37 and then enters the dust collection box 31 from the dust collection hose 35.
As shown in fig. 1, fig. 3, fig. 4, fig. 5, fig. 7 and fig. 8, as a preferred embodiment, further, the cleaning mechanism 4 includes a sliding plate 41 and a cleaning brush rod 42, the bottom of the sliding plate 41 is slidably connected in the inside of the limiting groove, a first motor 43 is fixedly connected to the middle part of the outer side of the sliding plate 41, the output end of the first motor 43 is spline-connected with a first transmission rod 44, the number of the cleaning brush rods 42 is three, one side of the surfaces of the three cleaning brush rods 42 is fixedly connected with a gear 45, the other side of the surfaces of the three cleaning brush rods 42 is fixedly connected with a first belt pulley 46, one end of two cleaning brush rods 42 is rotatably connected to the top and the bottom of the other side of the sliding plate 41 through a first bearing, one end of the other cleaning brush rod 42 is fixedly connected to the other end of the first transmission rod 44 through a second bearing, the side of the three cleaning brush rod 42 is rotatably connected with a right angle plate through a second bearing, the side of the third first belt pulley 47 is rotatably connected with a second belt 47 through a third belt pulley, the middle part of the third second belt 47 is fixedly connected with a third belt pulley 48, the third belt pulley 48 is rotatably connected with a third shaft 48 through a third bearing 48, and the third belt 45 is rotatably connected to the third belt 45 through the third bearing 45, and the third belt 45 is rotatably connected to the other side of the third belt 45 is rotatably connected to the third belt 45, and the other end of the cleaning brush rod 42 is rotatably connected to the third end of the third belt 42 through a third belt 45, and the third belt 45 is rotatably connected to the third belt 45, and the other end is rotatably connected to the third belt 42 is rotatably connected to the third belt 4 through a screen, and the third belt 45, and the screen is rotatably connected to the screen, and the screen is a screen. The rotating rod 48 rotates to drive the cams 49 on two sides to rotate so as to beat the first screen 61, the second screen 63 and the third screen 64, and the pulverized coal firmly adhered to the first screen 61, the second screen 63 and the third screen 64 is fallen off and small coal cinder blocking the screen holes is beaten and dredged.
As shown in fig. 1, fig. 2 and fig. 8, as a preferred embodiment, further, the dust collecting mechanism 3 includes a folded plate, one side of the folded plate is fixedly connected with the dust collecting box 31, the top of the folded plate is fixedly connected with the suction fan 32, the other end of the suction fan 32 is fixedly connected with the suction pipe 33, the bottom of the suction pipe 33 is fixedly connected with the top of the dust collecting box 31, a drawing port is provided on one side of the dust collecting box 31, a filter screen 34 is slidably connected with the inside of the drawing port, a sealing plate is fixedly connected with one side of the filter screen 34, four corners on the outer side of the sealing plate are mounted on one side of the drawing port by mounting a first bolt, the bottom of one side of the dust collecting box 31 is provided with a discharge port, one side of the discharge port is provided with a sealing plate, the bottom of the dust collecting box 31 is fixedly connected with a dust collecting hose 35, the other end of the dust collecting hose 35 is fixedly connected with a cavity plate 36, the other side of the cavity plate 36 is provided with three dust collecting rods 37, both sides of the three dust collecting rods 37 are fixedly connected with connecting blocks, during cleaning, the dust collecting rods 37 are moved together along with the brush rods 42, then the suction fan 32 is started, the suction pipe 33 draws the dust collecting rods into the dust collecting box 31, and makes the dust collecting box 31 enter the dust collecting box through the dust collecting hose to the dust collecting box through the dust collecting hose 35, and then enters the dust collecting hose 35.
As shown in fig. 1 and fig. 4, as a preferred embodiment, further, on the basis of the above manner, the translation mechanism 5 includes two mounting plates 51, the front sides of the two mounting plates 51 are fixedly connected to the bottom of the other side of the frame 1, one side of one mounting plate 51 is fixedly connected to a second motor 52, the output end of the second motor 52 is in spline connection with a second transmission rod 53, the other end of the second transmission rod 53 is fixedly connected to a screw rod 54, the other end of the screw rod 54 is rotatably connected to one side of the other mounting plate 51 through a fifth bearing, a moving seat is in threaded connection with the surface of the screw rod 54, the other side of the moving seat is fixedly connected to the bottom of the outer side of the sliding plate 41, the second motor 52 drives the screw rod 54 to rotate, and the screw rod 54 rotates to drive the cleaning brush rod 42 and the cam 49 to horizontally move, so as to uniformly clean the first screen 61, the second screen 63 and the third screen 64.
As shown in fig. 1 and 5, as a preferred embodiment, on the basis of the above manner, further, the screening mechanism 6 includes a first screen 61, four corners of the first screen 61 are fixedly connected with a vertical rod 62, two sides of the surface of the vertical rod 62 are fixedly connected with a second screen 63 and a third screen 64, the surfaces of the top and the bottom of the vertical rod 62 are sleeved with a first spring 65, the top and the bottom of the vertical rod 62 are inserted with a U-shaped plate, the top and the bottom of the vertical rod 62 are fixedly connected with blocking plates, and when the first screen 61, the second screen 63 and the third screen 64 shake reciprocally, coal is screened by different sizes of meshes of the first screen 61, the second screen 63 and the third screen 64.
As shown in fig. 1 and 6, as a preferred embodiment, further, based on the above manner, the shaking mechanism 7 includes a sleeve frame 71, one side of the sleeve frame 71 is fixedly connected with a third motor 72, an output end of the third motor 72 is in spline connection with a third transmission rod 73, the other end of the third transmission rod 73 is fixedly connected with a rotating plate 74, a pull rod 75 is rotatably connected to a surface of the other side of the rotating plate 74, which is close to the edge, through a pin shaft, the other end of the pull rod 75 is rotatably connected with a truss 76 through a first movable hinge, two sides of the top of the truss 76 are fixedly connected to the middle parts of the bottoms of the two side plates 2 respectively, the third motor 72 starts to drive the rotating plate 74 to rotate, the pull rod 75 is reciprocally pulled when the rotating plate 74 rotates, and the pull rod 75 drives the first screen 61, the second screen 63 and the third screen 64 to reciprocally shake when the pull rod 75 reciprocally, so that coal materials are screened.
As shown in fig. 6, as a preferred embodiment, further, on the basis of the above mode, two sides of the front and back middle parts of the two side plates 2 are both connected with a cross bar 8 through a second movable hinge in a rotating manner, the other end of the cross bar 8 penetrates through the surface of the frame 1 and is connected with a circular plate, one side of the surface of the cross bar 8 is sleeved with a second spring 9, and under the action of the second spring 9, the first screen 61, the second screen 63 and the third screen 64 are buffered and protected when being swayed left and right, so that damage to the first screen 61, the second screen 63 and the third screen 64 caused by excessive swaying is avoided.
As shown in fig. 1, as a preferred embodiment, on the basis of the above manner, further, the surfaces of the two side plates 2 are respectively provided with a first elliptical groove and a second elliptical groove which are matched with the cleaning brush rod 42 and the rotating rod 48, wherein the surface of the other side plate 2, which is close to the edge of one side of the second elliptical groove, is provided with a T-shaped chute which is matched with a right-angle plate, when the cleaning brush rod 42 and the rotating rod 48 rotate and move, the right-angle plate is matched with the T-shaped chute to limit the cleaning brush rod 42 and the rotating rod 48, so that the cleaning brush rod 42 and the rotating rod 48 work more stably.
The following provides a use method of the multi-stage coal preparation system for water washing coal by combining the multi-stage coal preparation system for water washing coal, which comprises the following steps:
s1, screening coal, namely, the coal drops onto a second screen 63 in a screening mechanism 6, a third motor 72 is started to drive a rotating plate 74 to rotate, a pull rod 75 is pulled back and forth when the rotating plate 74 rotates, and the pull rod 75 drives a first screen 61, the second screen 63 and the third screen 64 to shake back and forth when pulled back and forth, so that the coal is screened;
S2, screen cleaning, namely when coal screening is finished, the first motor 43 drives the three gears 45 to rotate, the three gears 45 rotate to drive the cleaning brush rod 42 to rotate so as to clean the first screen 61, the second screen 63 and the third screen 64, meanwhile, when the three cleaning brush rods 42 rotate, the first belt pulley 46 drives the second belt pulley 47 to rotate, the second belt pulley 47 rotates to drive the rotating rod 48 to rotate, the rotating rod 48 rotates to drive the cams 49 on two sides to rotate so as to beat the first screen 61, the second screen 63 and the third screen 64, the first screen 61, the second screen 63 and the third screen 64 are firmly adhered with pulverized coal to fall off and the impurities of the blocked screen mesh are beaten and dredged, and when the cleaning brush rod 42 and the cams 49 clean the first screen 61, the second screen 63 and the third screen 64, the second motor 52 drives the screw 54 to rotate, and the screw 54 rotates to drive the cleaning brush rod 42 and the cams 49 to move so as to uniformly clean the first screen 61, the second screen 63 and the third screen 64;
S3, collecting pulverized coal, when cleaning, starting the exhaust fan 32, enabling the exhaust fan 33 to extract air in the dust box 31, enabling the dust box 31 to generate suction force, then sucking the lifted pulverized coal through the dust collection hose 35, enabling the lifted pulverized coal to enter the cavity plate 36 through the dust collection rod 37, then entering the dust box 31 from the dust collection hose 35 for collection, and finally completing cleaning of the first screen 61, the second screen 63 and the third screen 64.
The above embodiments are only for illustrating the present invention and not for limiting the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and thus any modifications or equivalent substitutions are made thereto, and all technical solutions and modifications thereof without departing from the spirit and scope of the present invention are included in the scope of the claims of the present invention.
Claims (7)
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| CN110144233A (en) * | 2019-05-05 | 2019-08-20 | 内蒙古万众炜业科技环保股份公司 | A production system for full particle size coal cracking, quality separation and utilization |
| CN113441213A (en) * | 2021-04-23 | 2021-09-28 | 中能化江苏地质矿产设计研究院有限公司 | Coal mining subsidence area gangue filling is with smashing conveying equipment |
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| WO2015052245A1 (en) * | 2013-10-08 | 2015-04-16 | Virto Group Sarl | Method and system for recovering and processing bulk materials |
| CN111872070A (en) * | 2020-08-13 | 2020-11-03 | 南京智金科技创新服务中心 | Waste recycling device for machining |
| DE202023106691U1 (en) * | 2023-05-11 | 2024-01-11 | Manzhouli Dalaihu Thermal Power Co., Ltd | Sieving and sample collection device for coal samples |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110144233A (en) * | 2019-05-05 | 2019-08-20 | 内蒙古万众炜业科技环保股份公司 | A production system for full particle size coal cracking, quality separation and utilization |
| CN113441213A (en) * | 2021-04-23 | 2021-09-28 | 中能化江苏地质矿产设计研究院有限公司 | Coal mining subsidence area gangue filling is with smashing conveying equipment |
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