CN108787152B - Novel centrifugal coal washing equipment - Google Patents
Novel centrifugal coal washing equipment Download PDFInfo
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- CN108787152B CN108787152B CN201810822857.XA CN201810822857A CN108787152B CN 108787152 B CN108787152 B CN 108787152B CN 201810822857 A CN201810822857 A CN 201810822857A CN 108787152 B CN108787152 B CN 108787152B
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- coal washing
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- middling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/32—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions using centrifugal force
- B03B5/34—Applications of hydrocyclones
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
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- Centrifugal Separators (AREA)
Abstract
The invention discloses novel centrifugal coal washing equipment, which comprises a bottom frame, wherein a coal washing pool is arranged above the bottom frame, a coal feeding mechanism is arranged on one side above the coal washing pool, a plurality of groups of eccentric rotating mechanisms are arranged between the coal washing pool and the bottom frame, and a driving shaft of one group of eccentric rotating mechanisms is connected with a driving device; the coal washing pool comprises an outer ring, a first retainer ring, a middle ring, a second retainer ring and an inner ring which are concentrically arranged from outside to inside, wherein the outer ring is of a cylindrical structure, the middle ring is of a conical structure with a large lower part and a small upper part, and the inner ring is of an arc-shaped pot structure with a large lower part; a gangue channel is arranged between the outer ring and the middle ring, a middle coal channel is arranged between the first check ring and the second check ring, and a fine clean coal collecting cavity is formed inside the inner ring. The invention provides the centrifugal novel coal washing equipment which has the advantages of simple production process, compact structure, small occupied area, low investment, low production cost, long equipment service life, small maintenance amount, small water consumption, high recovery rate of fine clean coal and good separation effect.
Description
Technical Field
The invention relates to the technical field of gangue coal washing equipment, in particular to novel centrifugal coal washing equipment.
Background
The existing coal washing equipment mainly has two modes, namely one jigging sorting mode and the other jigging sorting mode, wherein the jigging sorting mode has the following defects: the water consumption is large, the beneficiation effect on the conjoined minerals is poor, and the recovery efficiency on micro-fine particles is low. Dense media sorting suffers from the following disadvantages: auxiliary materials such as medium powder, flocculant, foaming agent and the like are required to be added in the coal washing process, the production process is complex, the production cost is high, the equipment wear is rapid, and the maintenance amount is large. Therefore, a novel centrifugal coal washing device which has the advantages of simple production process, compact structure, small occupied area, low investment, low production cost, long service life of equipment, small maintenance amount, small water consumption, high recovery rate of fine clean coal and good separation effect needs to be developed.
Disclosure of Invention
The invention aims to provide the centrifugal novel coal washing equipment which has the advantages of simple production process, compact structure, small occupied area, low investment, low production cost, long equipment service life, small maintenance amount, small water consumption, high recovery rate of fine clean coal and good separation effect.
In order to achieve the above purpose, the present invention provides the following technical solutions: the centrifugal novel coal washing device comprises a bottom frame, a coal washing pool is arranged above the bottom frame, the coal washing pool is of a cylindrical structure with an open top, a coal feeding mechanism is arranged on one side above the coal washing pool, a plurality of groups of eccentric rotating mechanisms are arranged between the coal washing pool and the bottom frame, each group of eccentric rotating mechanisms comprises a first bearing seat, a second bearing seat, a third bearing seat, a driving shaft, a driven shaft and a rocker arm, the first bearing seat and the second bearing seat are respectively arranged on the top surface and the bottom surface of an upper cross beam, the third bearing seat is arranged on a reinforcing rib of a bottom plate of the coal washing pool, the driving shaft is installed in the first bearing seat and the second bearing seat in a penetrating manner through a bearing, and the second bearing seat extends out of the upper end and is connected with one end of the rocker arm in an interference fit manner; the driven shaft is arranged in the bearing seat III through a bearing, and the lower end of the driven shaft extends out of the bearing seat III to be in interference fit connection with the other end of the rocker arm; wherein the driving shaft of one group of eccentric rotating mechanisms is connected with a driving device;
the coal washing pool comprises an outer ring, a middle ring, a first check ring, a second check ring and an inner ring which are concentrically arranged from outside to inside, wherein the outer ring is of a cylindrical structure, the middle ring is of a cone structure with a large bottom and a small top, and the inner ring is of an arc-shaped pot structure with a small bottom and a large top;
a gangue channel is arranged between the outer ring and the middle ring, a middle coal channel is arranged between the first check ring and the second check ring, a fine clean coal collecting cavity is formed in the inner ring, a middle coal inlet is formed in the middle ring, and a fine clean coal inlet is formed in the inner ring; the upper portion of well circle is provided with the clean coal export that extends to the outer lane outside, and the bottom of well circle one side is provided with the discharge mechanism who arranges the middling, and the bottom of outer lane one side is provided with the discharge mechanism who arranges the waste rock, is provided with the overflow mouth on the upper portion wall of inner circle arc pot, and the bottom is provided with the particulate waste rock bin outlet.
Further, the driving device comprises a driving motor, a speed reducer and a first coupler, wherein a driving shaft of a group of eccentric rotating mechanisms is connected with a low-speed shaft of the speed reducer through the first coupler, and a high-speed shaft of the speed reducer is connected with an output shaft of the driving motor.
Further, the eccentric rotation mechanism is provided with 1 to 10 groups.
Further, the first check ring is vertically arranged between the upper end face of the middle ring frustum and the bottom plate of the coal washing pool, the second check ring is obliquely arranged between the upper end face of the inner ring arc-shaped pot and the bottom plate of the coal washing pool, and a circle of water blocking ring is vertically arranged on the upper end face of the inner ring arc-shaped pot.
Further, 2-5 baffles are uniformly arranged in the inner circumference of the gangue channel, a gangue baffle is arranged at the rear end of a discharging mechanism for discharging gangue in the gangue channel, a middling discharging baffle is arranged at the rear end of the discharging mechanism for discharging middling in the middling channel, a first clean coal baffle and a second clean coal baffle are arranged at the front end and the rear end of a clean coal outlet in the middling channel, and a middling feeding baffle is arranged at the rear end of a middling inlet.
Further, a clearance of 200-400 mm is reserved between the lower end face of the partition plate and the bottom plate of the coal washing pool.
Further, the lower part of the inner middle ring outer wall of the gangue channel is provided with a circle of first impact pipe, the lower part of the inner second check ring outer wall of the middle coal channel is provided with a circle of second impact pipe, inlets of the first impact pipe and the second impact pipe are connected with an external water pipe, and spray holes are uniformly formed in the pipe wall.
Further, the discharging mechanism for discharging gangue or coal in the row comprises a discharging motor, a collecting hopper, a rotary table and a discharging hopper, wherein the collecting hopper for discharging gangue or coal in the row is respectively arranged on the tangential direction of the outer ring side wall and the tangential direction of the middle ring side wall, the discharging motor is arranged on the collecting hopper through a bracket, the discharging motor is connected with a rotary shaft through a second coupler, the rotary table is arranged on the rotary shaft through key interference fit, 4-8 scoops are uniformly arranged on the periphery of the rotary table, and the scoops up the gangue or the middle coal in the collecting hopper and then is poured into the discharging hopper for discharging after being driven to rotate by the discharging motor.
Further, a discharging chute is arranged below the collecting hopper, one end of the discharging chute is hinged with the collecting hopper, the other end of the discharging chute is movably connected with the collecting hopper through an adjusting hanging rod, and a vibrating motor is arranged below the discharging chute.
Further, the coal feeding mechanism comprises a conveyor and a feeding hopper, the conveyor is arranged above the feeding hopper, a water inlet pipe is arranged in the feeding hopper, and raw coal is conveyed to the feeding hopper by the conveyor and enters the coal washing tank after being mixed with water.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the eccentric rotating mechanism is arranged above the underframe to drive the coal washing pool to perform centrifugal motion, water is adopted as a beneficiation medium, and the gangue, middling and clean coal in raw coal can be rapidly separated by utilizing the difference of specific gravity of clean coal and gangue, so that the device has the advantages of compact structure, small occupied area, low investment, small maintenance amount and good separation effect.
2. According to the invention, a gangue channel is arranged between the outer ring and the middle ring in the coal washing pool, a middle coal channel is arranged between the first retainer ring and the second retainer ring, a fine clean coal collecting cavity is arranged in the inner ring, and the middle ring and the second retainer ring are both in cone-shaped structures with large lower part and small upper part, so that gangue or middle coal can gradually subside along an inclined plane to enter the respective channels to run and finally be discharged out of the coal washing pool in the process of moving along with water flow; the inner ring is arranged to be of an arc-shaped pot-shaped structure with a small bottom and a large top, light fine clean coal gradually converges to the upper part of the arc-shaped pot and is discharged from a clean coal outlet in the swing process of the coal washing pool, and heavier fine gangue gradually sinks along the inclined plane of the arc-shaped pot and is discharged from a fine gangue discharge port, so that fine clean coal can be effectively recovered, fine clean coal is prevented from being discharged, environmental pollution is reduced, resource waste is avoided, and enterprise benefit is improved.
3. The invention has reasonable design, simple process flow, low production cost, low energy consumption, low noise, recycling of water, basically realizing zero emission, environmental protection and energy saving, and can be operated by 3-5 persons.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is an enlarged view of section I of FIG. 1;
FIG. 5 is an enlarged view of section II of FIG. 1;
FIG. 6 is an enlarged view of portion III of FIG. 1;
FIG. 7 is a cross-sectional view taken along line C-C of FIG. 2;
in the figure: 1-underframe, 11-upper beam, 21-driving motor, 22-speed reducer, 23-first coupler, 24-bearing seat I, 25-driving shaft, 26-bearing seat II, 27-rocker arm, 28-driven shaft, 29-bearing seat III, 31-outer ring, 32-middle ring, 33-first retainer ring, 34-second retainer ring, 35-water retaining ring, 36-inner ring, 37-particle gangue discharge port, 38-first impact pipe, 39-second impact pipe, 310-baffle plate, 311-gangue baffle plate, 312-middle coal discharge baffle plate, 313-first fine coal baffle plate, 314-second fine coal baffle plate, 315-fine coal outlet, 316-fine coal inlet, 317-middle coal inlet, 318-middle coal feed baffle plate, 319-overflow port, 4-discharge mechanism, 41-bucket, 42-turntable, 43-rotating shaft, 44-second coupler, 45-discharge motor, 46-bracket, 47-adjusting hanging rod, 48-collecting hopper, 49-discharge, 410-vibration motor, 411-discharge hopper, 5-reinforcing bar, 62-feed hopper, 62-feed inlet pipe, 63-water inlet pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1-5, the invention comprises a chassis 1, a coal washing pool is arranged above the chassis 1, the coal washing pool is of a cylindrical structure with an open top, a coal feeding mechanism is arranged on one side above the coal washing pool, a plurality of groups of eccentric rotating mechanisms are arranged between the coal washing pool and the chassis 1, each group of eccentric rotating mechanisms comprises a first bearing seat 24, a second bearing seat 26, a third bearing seat 29, a driving shaft 25, a driven shaft 28 and a rocker arm 27, wherein the first bearing seat 24 and the second bearing seat 26 are respectively arranged on the top surface and the bottom surface of an upper cross beam 11, the third bearing seat 29 is arranged on a reinforcing rib 5 of a bottom plate of the coal washing pool, the driving shaft 25 is installed in the first bearing seat 24 and the second bearing seat 26 in a penetrating manner through a bearing, and the upper end extends out of the second bearing seat 26 to be in interference fit with one end of the rocker arm 27; the driven shaft 28 is arranged in a bearing seat III 29 through a bearing, and the lower end of the driven shaft extends out of the bearing seat III 29 to be in interference fit connection with the other end of the rocker arm 27; the driving shaft 25 of one group of eccentric rotating mechanisms is connected with a driving device;
the coal washing pool comprises an outer ring 31, a middle ring 32, a first check ring 33, a second check ring 34 and an inner ring 36 which are concentrically arranged from outside to inside, wherein the outer ring 31 is of a cylindrical structure, the middle ring 32 is of a conical structure with a large bottom and a small top, and the inner ring 36 is of an arc-shaped pot-shaped structure with a small bottom and a large top;
a gangue channel is arranged between the outer ring 31 and the middle ring 32, a middle coal channel is arranged between the first retainer ring 33 and the second retainer ring 34, a fine clean coal collecting cavity is arranged inside the inner ring 36, a middle coal inlet 317 is formed in the middle ring 32, and a fine clean coal inlet 316 is formed in the inner ring 36; the upper portion of middle circle 32 is provided with the clean coal export 315 that extends to the outside of outer lane 31, and the bottom of middle circle 32 one side is provided with the discharge mechanism 4 of discharging the middling, and the bottom of outer lane 31 one side is provided with the discharge mechanism 4 of discharging the waste rock, is provided with overflow port 319 on the upper portion wall of the 36 arc pans of inner circle, and the bottom is provided with particulate waste rock discharge port 37.
The driving device comprises a driving motor 21, a speed reducer 22 and a first coupling 23, wherein a driving shaft 25 of a group of eccentric rotating mechanisms is connected with a low-speed shaft of the speed reducer 22 through the first coupling 23, and a high-speed shaft of the speed reducer 22 is connected with an output shaft of the driving motor 21. The eccentric rotating mechanism is driven by the driving device to rotate, so that the device has the advantages of stable transmission and low noise, and the driving motor 21 can adjust the rotating speed according to the requirements of the grade and granularity of the washed raw coal, so that the sorting effect is better.
According to the size of the production capacity of the invention, 1-10 groups of eccentric rotating mechanisms are arranged.
The first retaining ring 33 is vertically arranged between the upper end surface of the frustum of the middle ring 32 and the bottom plate of the coal washing pool, the second retaining ring 34 is obliquely arranged between the upper end surface of the arc-shaped pot of the inner ring 36 and the bottom plate of the coal washing pool, and a circle of water retaining ring 35 is vertically arranged on the upper end surface of the arc-shaped pot of the inner ring 36. The first check ring 33 and the second check ring 34 are used for maintaining the water flow direction entering the middling channel, so that middling is prevented from being flushed into the included angle between the middling 32 and the bottom plate and between the inner ring 36 and the bottom plate, and dead angles are formed. The water retaining ring 35 is beneficial to buffering the water flow entering the inner ring 36, and is convenient for collecting fine clean coal.
2-5 baffles 310 are uniformly arranged in the inner circumference of the gangue channel, a gangue baffle 311 is arranged at the rear end of a discharging mechanism 4 for discharging gangue in the gangue channel, a middling discharging baffle 312 is arranged at the rear end of the discharging mechanism 4 for discharging middling in the middling channel, a first clean coal baffle 313 and a second clean coal baffle 314 are arranged at the front end and the rear end of a clean coal outlet 315 in the middling channel, and a middling feeding baffle 318 is arranged at the rear end of a middling inlet 317.
The lower end surface of the baffle 310 is spaced 150-200mm from the bottom plate of the coal washing tank. The baffle 310 has the function of changing the speed and direction of the water flow to form vortex, so that the water flow continuously agitates the waste rock deposited at the bottom, and the waste rock is conveniently discharged out of the coal washing pool.
The lower part of the outer wall of the middle ring 32 in the gangue passage is provided with a circle of first impact pipes 38, the lower part of the outer wall of the second check ring 34 in the middle coal passage is provided with a circle of second impact pipes 39, the inlets of the first impact pipes 38 and the second impact pipes 39 are connected with an external water pipe, and the pipe wall is uniformly provided with spray holes. The waste rock or middlings deposited at the bottom of the coal washing pool are diluted and loosened by the water flow continuously sprayed from the first impact pipe 38 and the second impact pipe 39, so that the waste rock or middlings are more favorably sorted.
Referring to fig. 6-7, the discharging mechanisms 4 for discharging gangue or coal in rows each include a discharging motor 45, a collecting hopper 48, a turntable 42 and a discharging hopper 411, the collecting hoppers 48 for discharging gangue or coal in rows are respectively arranged in the tangential direction of the side wall of the outer ring 31 and the tangential direction of the side wall of the middle ring 32, the discharging motor 45 is arranged on the collecting hopper 48 through a bracket 46, the discharging motor 45 is connected with the rotating shaft 43 through a second coupling 44, the turntable 42 is installed on the rotating shaft 43 through a key interference fit, 4-8 buckets 41 are uniformly arranged on the periphery of the turntable 42, and the buckets 41 scoop up the gangue or the coal in the collecting hopper 48 and then are poured into the discharging hopper 411 for discharging after being driven to rotate by the discharging motor 45.
A discharging chute 49 is arranged below the collecting hopper 48, one end of the discharging chute 49 is hinged with the collecting hopper 48, the other end of the discharging chute 49 is movably connected with the collecting hopper 48 through an adjusting hanging rod 47, and a vibrating motor 410 is arranged below the discharging chute 49. Periodically, the vibration motor 410 and the discharge chute 49 are turned on to discharge the gangue or middlings deposited under the collecting hopper 48.
The coal feeding mechanism comprises a conveyor 62 and a feed hopper 61, wherein the conveyor 62 is arranged above the feed hopper 61, a water inlet pipe 63 is arranged in the feed hopper 61, and raw coal is conveyed to the feed hopper 61 by the conveyor 62 and enters the coal washing tank after being mixed with water.
The working principle of the invention is as follows: raw coal is conveyed into the feed hopper 61 through the conveyor 62, mixed with water flowing in from the water inlet pipe 63 and then enters the coal washing pool, the heavier gangue sinks into the bottom of the gangue channel due to different specific gravity of the cleaned coal, the middle coal floats in the middle, the cleaned coal floats on the upper layer of the water, the running track and speed of the water flow are changed due to the blocking of the baffle plate 310, the water flow generates vortex at the front end of the baffle plate 310, thus loosening the gangue deposited at the bottom, the gangue flows out from the gap at the bottom of the baffle plate 310 along with the water flow and enters the discharging mechanism 4 of the gangue, most of the gangue is blocked from being discharged from the discharging mechanism 4 of the gangue due to the fact that the rear end of the discharging mechanism 4 of the gangue is provided with the gangue baffle 311 in the gangue channel, the middlings, the clean coal and a small part of the waste rock can pass through the upper part of the partition plate 310 under the action of water flow and continue to run in the waste rock channel, when the waste rock runs to the middling inlet 317, most of the middling enters the middling channel to run along with the water flow due to the blocking of the middling feeding baffle 318, the middling gradually subsides in the middling channel and is discharged through the discharging mechanism 4 for discharging the middling, the lighter clean coal is discharged from the clean coal outlet 315, the small part of the fine waste rock and the fine clean coal can enter the inner ring 36 along with the water flow from the fine clean coal inlet 316, the heavier fine waste rock gradually subsides on the side wall of the inner ring 36 and is converged to the bottom of a pot and is discharged from the fine waste rock discharging hole 37, and the fine clean coal floats above the arc pot and is discharged through the overflow hole 319 at the upper part of the arc pot wall. The invention has wide range of particle size of the separated raw coal, can separate gangue, middling and clean coal well through three working procedures of gangue channel, middling channel and fine clean coal gathering cavity, has good separation effect, can collect fine clean coal particles effectively, reduces pollution to environment caused by fine clean coal particle discharge, avoids resource waste and improves the benefit of enterprises.
Claims (10)
1. The utility model provides a novel coal washing equipment of centrifugal, includes chassis (1), its characterized in that: a coal washing pool is arranged above the underframe (1), the coal washing pool is of a cylindrical structure with an open top, a coal feeding mechanism is arranged on one side above the coal washing pool, a plurality of groups of eccentric rotating mechanisms are arranged between the coal washing pool and the underframe (1), each group of eccentric rotating mechanisms comprises a first bearing seat (24), a second bearing seat (26), a third bearing seat (29), a driving shaft (25), a driven shaft (28) and a rocker arm (27), the first bearing seat (24) and the second bearing seat (26) are respectively arranged on the top surface and the bottom surface of an upper cross beam (11), the third bearing seat (29) is arranged on a reinforcing rib (5) of a bottom plate of the coal washing pool, a driving shaft (25) is installed in the first bearing seat (24) and the second bearing seat (26) in a penetrating manner through a bearing, and the upper end of the second bearing seat (26) is connected with one end of the rocker arm (27) in an interference fit manner; the driven shaft (28) is arranged in a bearing seat III (29) through a bearing, and the lower end of the driven shaft extends out of the bearing seat III (29) to be in interference fit connection with the other end of the rocker arm (27); wherein the driving shaft (25) of one group of eccentric rotating mechanisms is connected with a driving device;
the coal washing pool comprises an outer ring (31), a middle ring (32), a first check ring (33), a second check ring (34) and an inner ring (36) which are concentrically arranged from outside to inside, wherein the outer ring (31) is of a cylindrical structure, the middle ring (32) is of a conical structure with a large lower part and a small upper part, and the inner ring (36) is of an arc-shaped pot structure with a small lower part and a large upper part;
a gangue channel is arranged between the outer ring (31) and the middle ring (32), a middle coal channel is arranged between the first check ring (33) and the second check ring (34), a fine clean coal collecting cavity is arranged inside the inner ring (36), a middle coal inlet (317) is formed in the middle ring (32), and a fine clean coal inlet (316) is formed in the inner ring (36); the upper portion of well circle (32) is provided with and extends to outer lane (31) outside clean coal export (315), and the bottom of well circle (32) one side is provided with discharge mechanism (4) of row middling, and the bottom of outer lane (31) one side is provided with discharge mechanism (4) of row waste rock, is provided with overflow mouth (319) on the upper portion wall of inner circle (36) arc pot, and the bottom is provided with particulate waste rock bin outlet (37).
2. A novel centrifugal coal washing apparatus according to claim 1, wherein: the driving device comprises a driving motor (21), a speed reducer (22) and a first coupler (23), wherein a driving shaft (25) of a group of eccentric rotating mechanisms is connected with a low-speed shaft of the speed reducer (22) through the first coupler (23), and a high-speed shaft of the speed reducer (22) is connected with an output shaft of the driving motor (21).
3. A novel centrifugal coal washing apparatus according to claim 1, wherein: the eccentric rotating mechanism is arranged in 1-10 groups.
4. A novel centrifugal coal washing apparatus according to claim 1, wherein: the first check ring (33) is vertically arranged between the upper end face of the frustum of the middle ring (32) and the bottom plate of the coal washing pool, the second check ring (34) is obliquely arranged between the upper end face of the arc-shaped pot of the inner ring (36) and the bottom plate of the coal washing pool, and a circle of water blocking ring (35) is vertically arranged on the upper end face of the arc-shaped pot of the inner ring (36).
5. A novel centrifugal coal washing apparatus according to claim 1, wherein: the waste rock channel is internally and circumferentially uniformly provided with 2-5 partition plates (310), the rear end of a waste rock discharging mechanism (4) is provided with a waste rock baffle plate (311) in the waste rock channel, the rear end of the waste rock discharging mechanism (4) is provided with a middling discharging baffle plate (312) in the middling channel, the front end and the rear end of a clean coal outlet (315) are provided with a first clean coal baffle plate (313) and a second clean coal baffle plate (314) in the middling channel, and the rear end of a middling inlet (317) is provided with a middling feeding baffle plate (318).
6. The centrifugal novel coal washing apparatus according to claim 5, wherein: a gap of 200-400 mm is reserved between the lower end face of the baffle plate (310) and the bottom plate of the coal washing pool.
7. A novel centrifugal coal washing apparatus according to claim 1, wherein: the lower part of the outer wall of the middle ring (32) in the gangue channel is provided with a circle of first impact pipe (38), the lower part of the outer wall of the second retainer ring (34) in the gangue channel is provided with a circle of second impact pipe (39), inlets of the first impact pipe (38) and the second impact pipe (39) are connected with an external water pipe, and spray holes are uniformly formed in the pipe wall.
8. A novel centrifugal coal washing apparatus according to claim 1, wherein: discharging mechanism (4) that arranges waste rock or arranged the coal all includes ejection of compact motor (45), collecting hopper (48), carousel (42) and ejection of compact fill (411), the collecting hopper (48) that arranges waste rock or row middling set up respectively in the tangential direction of outer lane (31) lateral wall and in the tangential direction of middling circle (32) lateral wall, ejection of compact motor (45) set up on collecting hopper (48) through support (46), ejection of compact motor (45) are connected with pivot (43) through second coupling (44), carousel (42) are installed on pivot (43) through key interference fit, circumference evenly is provided with 4 ~ 8 scraper bowl (41) on the periphery of carousel (42), scraper bowl (41) are with waste rock or middling in collecting hopper (48) again by pouring in ejection of compact hopper (411) after the drive rotation of ejection of compact motor (45).
9. The centrifugal novel coal washing apparatus according to claim 8, wherein: a discharging chute (49) is arranged below the collecting hopper (48), one end of the discharging chute (49) is hinged with the collecting hopper (48), the other end of the discharging chute (49) is movably connected with the collecting hopper (48) through an adjusting hanging rod (47), and a vibrating motor (410) is arranged below the discharging chute (49).
10. A novel centrifugal coal washing apparatus according to claim 1, wherein: the coal feeding mechanism comprises a conveyor (62) and a feed hopper (61), the conveyor (62) is arranged above the feed hopper (61), a water inlet pipe (63) is arranged in the feed hopper (61), and raw coal is conveyed to the feed hopper (61) by the conveyor (62) and mixed with water and then enters the coal washing pool.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810822857.XA CN108787152B (en) | 2018-07-25 | 2018-07-25 | Novel centrifugal coal washing equipment |
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|---|---|---|---|
| CN201810822857.XA CN108787152B (en) | 2018-07-25 | 2018-07-25 | Novel centrifugal coal washing equipment |
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| CN108787152A CN108787152A (en) | 2018-11-13 |
| CN108787152B true CN108787152B (en) | 2023-07-28 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2080867U (en) * | 1990-12-30 | 1991-07-17 | 岳春秋 | Spiral-flow coal washer |
| RU2233706C1 (en) * | 2003-04-23 | 2004-08-10 | Общество с ограниченной ответственностью Научно-внедренческое и проектно-конструкторское предприятие "КЭНЭС" | Dressing device |
| UA13558U (en) * | 2005-08-08 | 2006-04-17 | Okharkiv Polytechnical Institu | Centrifugal apparatus for enrichment of the coal |
| CN201320491Y (en) * | 2008-12-15 | 2009-10-07 | 范家兵 | Novel centrifugal coal separator |
| CN201540010U (en) * | 2009-11-27 | 2010-08-04 | 刘宾 | Coal cleaning centrifugal dehydrator |
| CN203944562U (en) * | 2014-07-11 | 2014-11-19 | 西安鑫龙能源技术服务有限公司 | The vertical separator of a kind of multistage combined dry method |
| CN208554571U (en) * | 2018-07-25 | 2019-03-01 | 杨映泉 | A kind of centrifugal novel wash coaling equipment |
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