CN116726596A

CN116726596A - Coarse slime recovery system

Info

Publication number: CN116726596A
Application number: CN202311006380.5A
Authority: CN
Inventors: 上官永岗
Original assignee: Shanxi Tuyue Coal Preparation Engineering Technology Co ltd
Current assignee: Shanxi Tuyue Coal Preparation Engineering Technology Co ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2023-09-12

Abstract

The application relates to a coarse slime recovery system, which belongs to the technical field of vibrating screens, and comprises a vibrating screen and a concentrated cyclone, wherein a water outlet is formed in the bottom of the vibrating screen, a feed inlet of the concentrated cyclone is communicated with the water outlet, the vibrating screen comprises a frame, a first screen plate and a second screen plate for filtering slime are fixed in the frame from top to bottom, the aperture of the second screen plate is smaller than that of the first screen plate, a water spraying component for spraying clear water is slidably arranged in the frame, and the water spraying component is positioned above the first screen plate; the composite drainage net for filtering water is detachably connected in the frame, is positioned above the second sieve plate and is in butt joint with the second sieve plate when the composite drainage net is in a use state, and the vibrating screen has the effects that the vibrating screen can not only screen coal slime attached to coal, but also dehydrate the coal slime in the coal slime.

Description

Coarse slime recovery system

Technical Field

The application relates to the technical field of vibrating screens, in particular to a coarse slime recovery system.

Background

The coarse slime treatment process is to treat coarse slime in coal to reach certain quality requirement for subsequent utilization, and includes mainly crushing, sieving, washing and other steps.

The breaking of coal is the first step in the coarse slime treatment process. After the coal is crushed, the particle size of the coal can be more uniform, and the subsequent screening and washing are convenient. The coal can be crushed mechanically or chemically, and the specific method is selected according to the properties and requirements of the coal.

Screening is the second step in the coarse slime treatment process. The impurities in the coal and the coarse slime can be separated by sieving, so that the coal is purer. The screening can be performed by mechanical screening or hydraulic screening, and the specific method is also required to be selected according to the properties and requirements of coal.

Washing is the last step in the coarse slime treatment process. The ash, sulfur and other harmful substances in the coal can be removed by washing, so that the coal meets certain quality requirements. The washing and selecting can adopt the modes of heavy medium separation, floatation, magnetic separation and the like, and the specific method also needs to be selected according to the properties and requirements of coal.

The coarse slime recovery process comprises a high-frequency sieve recovery process, coal is selected through a vibrating sieve, slime is attached to the surface of the excavated coal, and the slime is vibrated down through the vibrating sieve; after coal is washed and selected, the coal slime is doped in the coal slime water, and the coal slime water is dehydrated through a vibrating screen, so that the recovery of the coal slime is completed.

In actual coal slime recovery, the vibrating screen is only used as a coal slime dehydration link, and if the vibrating screen is to be applied to a coal screening link and a coal washing link at the same time, other equipment is needed, so that the defects of large occupied area of equipment exist.

Disclosure of Invention

The application provides a coarse slime recovery system, which not only can screen the slime attached to coal, but also can dehydrate the slime in the slime water.

The application provides a coarse slime recovery system, which adopts the following technical scheme:

the coarse slime recovery system comprises a vibrating screen and a concentration cyclone, wherein a water outlet is formed in the bottom of the vibrating screen, a feed inlet of the concentration cyclone is communicated with the water outlet, the vibrating screen comprises a frame, a first screen plate and a second screen plate are fixed in the frame from top to bottom, the aperture of the second screen plate is smaller than that of the first screen plate, a water spraying component for spraying clear water is slidably arranged in the frame, and the water spraying component is positioned above the first screen plate; a composite drainage net for filtering water is detachably connected in the frame, and is positioned above the second sieve plate and is abutted with the second sieve plate when in a use state; the frame is fixed with vibrating motor, and the frame bottom is fixed with the spring that provides vibration amplitude space for the frame.

Through adopting above-mentioned technical scheme, put in the shale shaker after the coal is broken and screen, through the coal slurry sieve that the epidermis was adhered behind the coal exploitation falls down, start water spray assembly when screening, water spray assembly washes coal surface, thereby further wash down the coal slurry, and form the slime water, the slime water flows into concentrated swirler through the delivery port, the concentration of slime water has been guaranteed to concentrated swirler, after the coal screening finishes, lay compound drainage network on the shale shaker, pour into the shale shaker again with the slime water that flows in the concentrated swirler in, compound drainage network drags water to screen out with the slime in the slime water, finally reach and make the shale shaker not only can sieve the attached slime on the coal, can also carry out the effect of dehydration with the slime in the slime water.

Optionally, the frame outer wall rotates and is provided with the receipts reel, and the axis of rotation level of receipts reel sets up, and compound drainage network twines on receipts reel, and one end level runs through the frame when compound drainage network uses, and the slip is provided with the baffle that is used for the tight to compound drainage network top in the frame, and the baffle slides along vertical direction, and when the baffle was fixed to compound drainage network, the baffle closed compound drainage network runs through frame department.

Through adopting above-mentioned technical scheme, the rolling is on receiving the reel when compound drainage network does not use, plays and reduces area and the effect of being convenient for accomodate, and the baffle has played the tight effect in top to the compound drainage network of expansion.

Optionally, a coil spring for automatically winding the composite drainage net by the winding drum is arranged in the winding drum.

By adopting the technical scheme, the coil spring provides a reset force for resetting the winding drum, so that the composite drainage network can be automatically wound on the winding drum under the condition of not receiving external force.

Optionally, the water spray subassembly includes support piece, shower nozzle, screw rod, motor and locating lever, locating lever and screw rod parallel arrangement just all run through the support piece, support piece and screw rod threaded connection, locating lever and support piece sliding connection, the motor setting just with screw rod tip fixed connection in the frame, the shower nozzle is fixed in support piece bottom.

Through adopting above-mentioned technical scheme, motor drive screw rotates, and screw rod and bearing piece are threaded connection, and the bearing piece receives the spacing of locating lever, leads to the motor to rotate the back, and the bearing piece can only follow locating lever length direction and remove to realize the removal of shower nozzle, wash the coal cinder of below.

Optionally, the movable hole has been seted up in the frame, and the tip of locating lever and screw rod all runs through the movable hole, and the motor is located the frame outside and fixes on the locating lever, is fixed with the rack on the frame outer wall, and rack parallel movement hole sets up, and the ring cover is fixed with the gear on the motor axis of rotation, gear and rack meshing.

Through adopting above-mentioned technical scheme, offer for the removal of locating lever of moving the hole and provide the travel path, motor drive gear rotates, gear and rack meshing to realize the removal of support piece, accomplish the removal of shower nozzle.

Optionally, the end part of the composite drainage net is detachably connected with a traction rope and a clamp, the clamp is clamped and fixed with the composite drainage net, one end of the traction rope is fixedly connected with the clamp, the other end of the traction rope is fixedly provided with a hook, and the hook is hooked and fixed with the outer wall of the rack; when the composite drainage network is completely wound on the winding drum, the hook is abutted with the outer wall of the frame deviating from the winding drum.

Through adopting above-mentioned technical scheme, the existence of haulage rope and anchor clamps has guaranteed when needing to expand compound drainage network, can realize the quick expansion of compound drainage network through pulling the haulage rope, and when compound drainage network does not use, the haulage rope is located inside the frame, and the influence when coal whereabouts when shaking the sieve has been reduced to the maximum extent.

Optionally, slot has been seted up in the frame, and when the baffle was fixed a position compound drainage network, the tip of baffle and compound drainage network butt was inserted in the slot.

Through adopting above-mentioned technical scheme, the tip of baffle and compound drainage network butt inserts in the slot, makes the clearance between baffle and the compound drainage network form crooked state to reach the effect that reinforcing sealed and reinforcing were fixed a position compound drainage network.

Optionally, the end of the baffle is fixed with a positioning column, the composite drainage net is provided with a plurality of tearing holes, adjacent tearing holes are arranged at intervals along the width direction of the composite drainage net to form a row, and a plurality of rows of tearing holes are arranged at intervals along the length direction of the composite drainage net; the positioning column penetrates through the tearing hole and is inserted into the slot.

Through adopting above-mentioned technical scheme, tear the seting up of hole and use the back at compound water drainage network for a long time, can tear and tailor compound water drainage network, tear old compound water drainage network, trade new again and use, reach the thin of being convenient for change compound water drainage network and enough, and tear hole cooperation reference column and further strengthened the spacing effect of baffle to compound water drainage network.

Optionally, the whole slope of frame sets up, and the inclination sets up upwards along the slope of coal ejection of compact direction, and the delivery port is located and is close to the bottom of the frame lowest.

By adopting the technical scheme, the frame which is obliquely arranged is convenient for the slime water to flow into the water outlet more fully.

Optionally, a three-way pipe is arranged at the water outlet, and a diverter valve is arranged on the water outlet.

Through adopting above-mentioned technical scheme, in the coal slime water flows into concentrated shunt through the three-way pipe, the coal slime water after vibrating screen rotates the flow divider, flows into follow-up sewage recovery process department through the opposite side export of three-way pipe, the recycle of the water resource of being convenient for.

In summary, the present application includes at least one of the following beneficial technical effects:

the composite drainage net and the concentration cyclone are arranged, so that the vibrating screen can screen off the coal slime attached to coal, and the coal slime in the coal slime can be dehydrated;

the water spraying assembly has a cleaning effect on coal, and can be moved to fully flush the coal in each area, so that water resource waste caused by long water spraying is avoided;

the composite drainage network can be rapidly spread or rolled by the winding drum and the traction rope.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present application;

FIG. 2 is a top view of an embodiment of the present application;

FIG. 3 is a cross-sectional view at A-A in FIG. 2;

FIG. 4 is a schematic view of a partial structure at a clamp;

FIG. 5 is an enlarged schematic view of a portion A of FIG. 3;

fig. 6 is a schematic structural view of a composite drainage network.

In the figure, 1, a rack; 11. a water outlet; 12. a first screen plate; 13. a second screen plate; 14. a moving hole; 15. a through hole; 16. a rack; 17. a slot; 18. a support frame; 19. a hidden groove; 2. concentrating the cyclone; 3. a water spray assembly; 31. a support block; 32. a spray head; 33. a screw; 34. a motor; 341. a gear; 35. a positioning rod; 4. a composite drainage network; 41. a tear hole; 5. winding up a winding drum; 6. a baffle; 61. positioning columns; 62. a bolt; 7. a clamp; 8. a traction rope; 81. a hook; 9. a vibration motor.

Detailed Description

The application is described in further detail below with reference to fig. 1-6.

The embodiment of the application discloses a coarse slime recovery system.

Referring to fig. 1, 2 and 3, a coarse slime recovery system includes shale shaker and concentrated swirler 2, and delivery port 11 has been seted up to the shale shaker bottom, and concentrated swirler 2 feed inlet and delivery port 11 can dismantle and be connected, and the shale shaker includes frame 1, has set gradually first sieve 12, compound drainage network 4 and second sieve 13 from top to bottom in the frame 1, and the shale shaker can sieve the coal slime that adheres to on the coal, can also carry out dehydration with the coal slime in the coal slime.

Referring to fig. 1, a frame 1 is integrally and obliquely arranged, an oblique direction is obliquely and upwardly arranged along a coal discharging direction, a water outlet 11 is positioned at the lowest position near the bottom of the frame 1, a three-way pipe is arranged at the water outlet 11, a flow dividing valve is arranged on the three-way pipe, one end of the three-way pipe is detachably connected with a concentrating cyclone 2, flange connection can be adopted, the other end of the three-way pipe is communicated with subsequent sewage treatment equipment, a third end of the three-way pipe is communicated with the water outlet 11, and the flow direction of water flow is controlled by the flow dividing valve. The vibration motor 9 is fixed on the frame 1, the vibration motor 9 is provided with two, the bottom of the frame 1 is fixed with springs which provide vibration amplitude space for the frame 1, and the springs are provided with four and distributed at four corners of the frame 1.

Referring to fig. 1 and 3, a water spray assembly 3 is disposed within the frame 1, the water spray assembly 3 being located above the first screen deck 12. The water spray assembly 3 comprises a supporting block 31, a spray head 32, a positioning rod 35, a screw 33 and a motor 34, wherein the frame 1 is provided with a moving hole 14, the length direction of the moving hole 14 is along the discharging direction of coal on a vibrating screen, the discharging direction of the coal on the vibrating screen is the direction shown by an arrow in fig. 1, the moving hole 14 is horizontally arranged, the moving hole 14 is symmetrically arranged on the side walls of the two sides of the frame 1, the ends of the positioning rod 35 and the screw 33 penetrate through the corresponding moving hole 14, namely, the moving hole 14 is provided with two groups distributed in the vertical direction, the supporting block 31 is penetrated through by the positioning rod 35 and the screw 33 at the same time, the positioning rod 35 and the screw 33 are arranged in parallel, the supporting block 31 is in sliding connection with the positioning rod 35, and the sliding direction is along the length direction of the positioning rod 35. The support block 31 is screwed with the screw 33. The motor 34 is positioned outside the frame 1, the motor 34 is fixedly connected with the positioning rod 35, and the end part of the rotating shaft of the motor 34 is fixedly connected with the end part of the screw 33. The rack 16 is fixed on the outer wall of the frame 1, the rack 16 is parallel to the moving hole 14, the gear 341 is fixed on the rotating shaft of the motor 34 in a ring sleeve manner, and the gear 341 is meshed with the rack 16. The spray head 32 is fixed on the supporting block 31, the water outlet 11 of the spray head 32 is arranged downwards, and the spray head 32 is communicated with an external water source.

Referring to fig. 3, the mesh aperture of the first screen plate 12 is larger than the mesh aperture of the second screen plate 13, both the first screen plate 12 and the second screen plate 13 are fixedly connected with the inner wall of the frame 1, the mesh aperture of the second screen plate 13 only allows coal slime to pass through, the composite drainage network 4 only allows water to pass through, and the composite drainage network 4 adopts filament geotextile.

Referring to fig. 4 and 5, a winding drum 5 is rotatably arranged on the outer wall of the frame 1, and the winding drum 5 rotates relative to the frame 1, and the rotating shaft is horizontally arranged. The frame 1 is provided with a through hole 15, the through hole 15 penetrates through the side walls on two sides of the frame 1 along the horizontal direction, one end of the composite drainage net 4 is fixedly connected with the outer wall of the winding drum 5, and the other end penetrates through the through hole 15 and is paved at the top of the second sieve plate 13. A clamp 7 is fixed at one end of the composite drainage network 4 far away from the winding drum 5, a traction rope 8 is fixed on the clamp 7, and a hook 81 is fixed at one end of the traction rope 8 far away from the clamp 7; when the composite drainage net 4 is completely wound on the winding drum 5, only the traction rope 8 penetrates through the machine body, and the hook 81 is positioned on one side of the machine body away from the winding drum 5 and is abutted with the outer wall of the machine body, namely the hook 81 cannot penetrate through the through hole 15.

Referring to fig. 5, a supporting frame 18 is fixed on the outer wall of the frame 1, the winding drum 5 is sleeved on the supporting frame 18, and a torsion spring is arranged between the supporting frame 18 and the winding drum 5, which is not shown in the figure. The torsion spring provides a restoring force for restoring the winding drum 5.

Referring to fig. 4, the clamp 7 adopts two clamping bars, one ends of which are hinged to each other, and a lock catch is arranged between the other ends of which, so that the composite drainage network 4 is clamped and fixed.

Referring to fig. 3, a circular ring is fixed to the bottom of the frame 1, and hooks 81 are hooked and fixed to the circular ring when the composite drainage net 4 is unfolded on top of the second screening deck 13.

Referring to fig. 3 and 5, a baffle 6 is slidably disposed on the frame 1, the baffle 6 slides along a vertical direction, a hidden groove 19 is formed in the frame 1, the hidden groove 19 is formed along the vertical direction, the through hole 15 and the baffle 6 are both located in the hidden groove 19, the baffle 6 is slidably connected with a groove wall of the hidden groove 19 and cannot be separated from the groove wall of the hidden groove 19, a slideway is formed in the hidden groove 19 in an implementation manner, a sliding block is fixed on the baffle 6, and the sliding block slides in the slideway. The baffle 6 is provided with a bolt 62, the bolt 62 is screwed with the baffle 6, and when the baffle 6 slides to a specified position, the bolt 62 is screwed to position the baffle 6.

Referring to fig. 5 and 6, a positioning column 61 is fixed at the bottom end of the baffle 6, a slot 17 is formed on the slot wall of the hidden slot 19 facing the bottom of the baffle 6, and when the baffle 6 completely shields the through hole 15, the bottom of the baffle 6 and the positioning column 61 are completely inserted into the slot 17. The composite drainage net 4 is provided with a plurality of tearing holes 41, the adjacent tearing holes 41 are arranged at intervals along the width direction of the composite drainage net 4 to form a row, and a plurality of rows of tearing holes 41 are arranged at intervals along the length direction of the composite drainage net 4; the locating post 61 extends through the tear hole 41.

The implementation principle of the coarse slime recovery system provided by the embodiment of the application is as follows: the coal is crushed and then put into the vibrating screen for screening, the coal slime screen adhered to the surface after coal exploitation falls down through vibration, the water spraying component 3 is started while screening, the water spraying component 3 washes the coal surface, thereby further flushing down the coal slime, and forming the coal slime water, the coal slime water flows into the concentration cyclone 2 through the water outlet 11, the concentration of the coal slime water is ensured by the concentration cyclone 2, after the coal screening is finished, the composite drainage net 4 is paved on the vibrating screen, the coal slime water flowing out of the concentration cyclone 2 is poured into the vibrating screen again, the composite drainage net 4 screens the coal slime in the coal slime water, and finally, the effect that the vibrating screen can not only screen the adhered coal slime on coal, but also dewater the coal slime in the coal slime water is achieved.

The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a coarse slime recovery system, includes shale shaker and concentrated swirler (2), delivery port (11) have been seted up to the shale shaker bottom, and concentrated swirler (2) feed inlet and delivery port (11) intercommunication, its characterized in that: the vibrating screen comprises a frame (1), a first screen plate (12) and a second screen plate (13) are fixed in the frame (1) from top to bottom, the aperture of the second screen plate (13) is smaller than that of the first screen plate (12), a water spraying component (3) for spraying clear water is slidably arranged in the frame (1), and the water spraying component (3) is positioned above the first screen plate (12); a composite drainage net (4) for filtering water is detachably connected in the frame (1), and the composite drainage net (4) is positioned above the second screen plate (13) and is abutted with the second screen plate (13) when in a use state; a vibrating motor (9) is fixed on the frame (1), and a spring for providing a vibrating amplitude space for the frame (1) is fixed at the bottom of the frame (1).

2. A coarse slime recovery system as claimed in claim 1, wherein: the utility model discloses a composite drainage system, including frame (1), baffle (6) and frame (1), the outer wall rotation of frame (1) is provided with receipts reel (5), and the axis of rotation level setting of receipts reel (5), and composite drainage system (4) twine on a reel (5), and one end level runs through frame (1) when composite drainage system (4) use, and the slip is provided with baffle (6) that are used for the tight to composite drainage system (4), and baffle (6) are followed vertical direction and are slided, and baffle (6) are fixed to composite drainage system (4), and baffle (6) seal composite drainage system (4) run through frame (1) department.

3. A coarse slime recovery system as claimed in claim 2, characterized in that: the winding drum (5) is internally provided with a coil spring for automatically winding the composite drainage net (4) by the winding drum (5).

4. A coarse slime recovery system as claimed in claim 1, wherein: the water spray assembly (3) comprises a supporting block (31), a spray head (32), a screw rod (33), a motor (34) and a positioning rod (35), wherein the positioning rod (35) and the screw rod (33) are arranged in parallel and all penetrate through the supporting block (31), the supporting block (31) and the screw rod (33) are in threaded connection, the positioning rod (35) is in sliding connection with the supporting block (31), the motor (34) is arranged on the frame (1) and fixedly connected with the end part of the screw rod (33), and the spray head (32) is fixed at the bottom of the supporting block (31).

5. A coarse slime recovery system as claimed in claim 4, wherein: the movable hole (14) is formed in the frame (1), the end portions of the positioning rod (35) and the screw rod (33) penetrate through the movable hole (14), the motor (34) is located outside the frame (1) and fixed on the positioning rod (35), the rack (16) is fixed on the outer wall of the frame (1), the rack (16) is arranged in parallel with the movable hole (14), the gear (341) is fixedly sleeved on the rotating shaft of the motor (34), and the gear (341) is meshed with the rack (16).

6. A coarse slime recovery system as claimed in claim 3, characterized in that: the end part of the composite drainage net (4) is detachably connected with a traction rope (8) and a clamp (7), the clamp (7) is clamped and fixed with the composite drainage net (4), one end of the traction rope (8) is fixedly connected with the clamp (7), the other end of the traction rope is fixedly provided with a hook (81), and the hook (81) is hooked and fixed with the outer wall of the frame (1); when the composite drainage network (4) is completely wound on the winding drum (5), the hook (81) is abutted with the outer wall of the frame (1) deviating from the winding drum (5).

7. A coarse slime recovery system as claimed in claim 2, characterized in that: the machine frame (1) is provided with a slot (17), and when the baffle (6) positions the composite drainage network (4), the end part of the baffle (6) abutted with the composite drainage network (4) is inserted into the slot (17).

8. A coarse slime recovery system as claimed in claim 7, wherein: the end part of the baffle plate (6) is fixedly provided with a positioning column (61), the composite drainage net (4) is provided with a plurality of tearing holes (41), the adjacent tearing holes (41) are arranged at intervals along the width direction of the composite drainage net (4) to form a row, and a plurality of rows of tearing holes (41) are arranged at intervals along the length direction of the composite drainage net (4); the positioning column (61) is inserted into the slot (17) after penetrating the tearing hole (41).

9. A coarse slime recovery system as claimed in claim 1, wherein: the machine frame (1) is integrally arranged in an inclined mode, the inclined direction is arranged upwards in an inclined mode along the coal discharging direction, and the water outlet (11) is located at the lowest position close to the bottom of the machine frame (1).

10. A coarse slime recovery system as claimed in claim 9, wherein: the water outlet (11) is provided with a three-way pipe, and the water outlet (11) is provided with a flow dividing valve.