CN113210314B

CN113210314B - Coal processing is with water conservation multiaspect volume coal washup ash chute

Info

Publication number: CN113210314B
Application number: CN202110543069.9A
Authority: CN
Inventors: 朱李明
Original assignee: Ruzhou Weiyuan Coal Preparation Co ltd
Current assignee: Ruzhou Weiyuan Coal Preparation Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2022-07-29
Anticipated expiration: 2041-05-19
Also published as: CN113210314A

Abstract

The invention belongs to the field of coal washing, and relates to a water-saving multi-surface coal washing and ash collecting tank for coal processing. When the coal washing device is used for washing coal, all surfaces of the coal can be fully contacted with water, coal ash on the surface is washed, meanwhile, the coal is overturned by using impact water, and the coal ash floating on the water surface is quickly collected, so that turbid water is reduced, and the utilization rate of water resources is improved.

Description

Coal processing is with water conservation multiaspect volume coal washup ash chute

Technical Field

The invention belongs to the field of coal washing, and particularly relates to a water-saving multi-surface coal washing ash collecting tank for coal processing.

Background

It is known that, impact through rivers, the different grades of raw coal of the different proportion of inequality, and detach dust and barren rock, the process that reduces ash content and sulphur content is called coal washing, traditional centrifugal coal washing method, after putting into equipment with the coal, can't all surfaces with the water contact of floated coal, make the unable fully washed of coal ash that covers in surface, coal ash that washes down simultaneously can float on the surface of water, reduce the area of contact of surface of water and coal ash, influence the efficiency of coal washing, need extrude the dehydration with coal ash after collecting the coal ash simultaneously, whole coal washing process, comparatively waste water, unable make full use of water resource.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a water-saving multi-area coal washing ash collecting tank for coal processing, which can fully utilize water resources, fully rotate coal in all areas to contact water in the coal washing process and collect and dewater coal ash floating on the surface.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a coal processing is with water conservation multiaspect volume washing coal ash chute, includes the casing, it is equipped with automatically controlled shutter to rotate on the preceding lateral wall of casing, automatically controlled shutter is used for sealing the leading flank of whole casing, be equipped with the drive chamber on the casing left side wall, the drive intracavity is equipped with drive arrangement, the fixed oblique baffle groove that is equipped with on the casing right side wall, the oblique baffle inslot is equipped with washing unit, and washing unit is used for using rivers to wash the coal, the casing downside is equipped with washing coal water, it is equipped with the worm-gear axle to rotate on the left side wall under the casing, be equipped with agitating unit on the worm-gear axle, agitating unit is used for stirring washing coal water and showy coal.

Preferably, the driving device comprises a fixed motor fixed on the left side wall of the driving cavity, a driving shaft is fixedly arranged at the output end of the fixed motor, a fixed sleeve is fixedly arranged in the driving cavity, the driving shaft extends into the fixed sleeve, a motor gear is fixedly arranged at the right end of the driving shaft, a ring of racks are fixedly arranged on the upper side wall and the lower side wall of the fixed sleeve in an annular manner, a ring of annular groove is fixedly arranged on the left side wall of the fixed sleeve, a bearing is arranged in the annular groove in a sliding manner, a roller shaft is arranged at the right end of the bearing in a rotating manner, double-meshing wheels are fixedly arranged on the roller shaft and meshed with the motor gear, the double-meshing wheels are meshed with the ring racks, an ash rolling roller is fixedly arranged on the roller shaft, four long racks are fixedly arranged on the left side and the right side of the ash rolling roller in a rotating manner, a moving plate is arranged on the ash rolling roller in a sliding manner, and a coal ash collecting device is arranged on the moving plate, the coal ash collecting device is used for collecting the coal ash on the ash rolling roller.

Preferably, the coal ash collecting device comprises four coal ash collecting cavities fixed on the movable plate, an ash rolling cylinder shaft is arranged on each coal ash collecting cavity in a rotating mode, a bevel gear is fixedly arranged on the ash rolling cylinder shaft and meshed with the long rack, a poking rod ring is fixedly arranged on the ash rolling cylinder shaft, six poking rods are fixedly arranged on the poking rod ring in an annular mode, an ash rolling cylinder is fixedly arranged on the ash rolling cylinder shaft, and a plurality of bristles are fixedly arranged on the ash rolling cylinder in an annular mode.

Preferably, the bristles are elastic, when the bristles are rotated into the coal ash collecting cavity, each bristle is extruded and stressed to bend when entering the coal ash collecting cavity, and after the bristles completely enter the coal ash collecting cavity, the coal ash on the bristles is ejected and released under the action of elasticity.

Preferably, a coal ash extruding device is arranged on the side wall of each coal ash collecting cavity and is used for extruding and collecting the coal ash which is ejected to the side wall of the coal ash collecting cavity through the bristles.

Preferably, coal ash extrusion device is including sliding the setting and being in carriage release lever on the chamber lateral wall is collected to coal ash, the carriage release lever can be by the driving lever is stirred the removal, all on the lateral wall around the carriage release lever with be connected with the carriage release lever spring around the chamber is collected to coal ash, fixed being equipped with on the lateral wall around on the carriage release lever scrapes the ash block, coal ash is collected all fixedly on the lateral wall around the chamber and is equipped with the ash hole, the fixed collection pump that is equipped with in mobile disc right end, the collection pump with be connected with the negative pressure straw between every ash hole.

Preferably, the washing device comprises a partition plate which is arranged in the inclined partition plate groove in an up-and-down sliding mode, a plurality of small filter holes are formed in the partition plate, a plurality of check valves for draining water downwards are arranged on the partition plate, and partition plate springs are connected between the lower side wall of the inclined partition plate groove and the lower side wall of the partition plate.

Preferably, the stirring device comprises a gear fixed on the left side of the worm wheel shaft, a worm wheel roller is fixedly arranged at the right end of the worm wheel shaft, a movable rack is fixedly arranged on the left lower side wall of the partition plate, and the movable rack is meshed with the gear.

Coal to be washed enters through the rear side of the device and moves towards the front side, the coal floats on the surface of coal washing water, coal ash floats on the surface of the coal washing water and is positioned below the partition plate, the electric control shutter sealing device starts a fixed motor to drive a motor gear to rotate, a double-meshing wheel is meshed to rotate, a double-meshing wheel meshes with a ring rack, a bearing slides in an annular groove of the left side wall of a fixed sleeve, a roller shaft rotates around a driving shaft and rotates around the roller shaft, an ash rolling roller rotates and rotates, the ash rolling roller presses the partition plate forwards in the rotating process, the partition plate enters the coal washing water, the coal floating on the uppermost surface of the coal washing water is pressed downwards, meanwhile, the coal ash on the surface of the coal floats to the upper side of the partition plate, along with the rotation of the ash rolling roller, the floating coal ash and the coal washing water are collected, the coal washing water flows back into the device through a filter pipe of the ash rolling roller, and simultaneously the partition plate is pressed downwards, make the baffle move down at the oblique baffle groove, wash the gap that coal water passes through baffle and oblique baffle groove, flow to the baffle upside, after rolling up the rotatory process of ash roller and not pushing down the baffle, under the effect of baffle spring, baffle rebound, the coal water of washing the side passes through the check valve on the baffle and flows into downwards and assaults the coal in the coal water of washing, make the coal rotate, with each face and the abundant contact of coal water of washing, wash more coal ashes down, compare in traditional centrifugal coal washing method, make the surface contact of coal more, can wash more coal ashes down.

Meanwhile, when the partition plate moves downwards, the movable rack can be driven to move downwards, so that the movable rack is meshed with the gear to rotate, the worm wheel shaft is driven to rotate, the worm wheel roller is driven to rotate, coal washing water is stirred, and the rotation of floating coal is accelerated.

After the coal ash is collected by the ash rolling roller, the movable disc is started to reciprocate leftwards and rightwards on the ash rolling roller, the bevel gear is meshed with the long rack when reciprocating sliding leftwards and rightwards, the bevel gear is driven to rotate, the ash rolling barrel is driven to rotate, the coal ash on the surface of the ash rolling roller is rolled up by the bristles, after the bristles are rotated into the coal ash collecting cavity, the side wall of the coal ash collecting cavity is clamped by the coal ash to accumulate force and then is separated from the releasing elastic force, the coal ash on the bristles is thrown onto the side wall of the coal ash collecting cavity, the cleanliness of the bristles is kept, water drops on the coal ash are ejected simultaneously, the situation that the coal ash is not too wet is guaranteed, and the utilization rate of coal washing water is guaranteed.

The ash rolling barrel shaft rotates to drive the shifting rod ring to rotate, so that the shifting rod rotates, when the shifting rod shifts the shifting rod, the ash scraping block is driven to slide, coal ash ejected from the coal ash collecting cavity side wall is scraped into the ash outlet, the coal ash is collected by the collecting pump under negative pressure, the coal ash is not excessively wet, and the subsequent drying treatment of the coal ash is facilitated.

And after the coal is washed, starting the electric control shutter to enable the coal to move forward, and entering the next step.

Compared with the prior art, the water-saving multi-surface coal-washing ash collecting tank for coal processing has the following advantages:

1. the coal washing water on the upper side surface of the partition plate flows downwards through the one-way valve on the partition plate to impact coal in the coal washing water, so that the coal is rotated, each surface is fully contacted with the coal washing water, more coal ash is washed, and compared with a traditional centrifugal coal washing method, the coal washing method has the advantages that the surface contact of the coal is more, and more coal ash can be washed.

2. The worm wheel roller is driven to rotate, coal washing water is stirred, and the rotation of the floating coal is accelerated.

3. On the coal ash on the brush hair was got rid of to coal ash collection chamber lateral wall, kept the cleanliness of brush hair, launched the drop of water on the coal ash simultaneously, guaranteed that coal ash can not be too wet, guaranteed the utilization ratio of coal washing water.

Drawings

FIG. 1 is a schematic structural view of a water-saving multi-area coal washing ash collecting tank for coal processing.

Fig. 2 is a sectional view taken along a line a-a in fig. 1.

Fig. 3 is an enlarged view of the structure at B in fig. 2.

Fig. 4 is an enlarged view of the structure at C in fig. 3.

Fig. 5 is a sectional view taken along line D-D in fig. 4.

In the figure, 10, the housing; 11. an ash roller; 12. a roll shaft; 13. a drive chamber; 14. a bearing; 15. a double-meshing wheel; 16. fixing a motor; 17. a drive shaft; 18. a motor gear; 19. a circular rack; 20. moving the rack; 21. a worm gear shaft; 22. a gear; 23. a worm-wheel roller; 24. washing coal water; 25. a diaphragm spring; 26. a sloped partition plate groove; 27. a collection pump; 28. a movable tray; 30. a partition plate; 31. an electrically controlled shutter; 32. a lime rolling cylinder; 33. brushing; 34. a coal ash collection chamber; 35. a travel bar; 36. a deflector rod; 37. a long rack; 38. a bevel gear; 39. a ash drum shaft; 40. a toggle link; 41. an ash outlet; 42. a travel bar spring; 43. scraping ash blocks; 44. and (4) fixing sleeves.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, a water-saving multi-area coal washing ash collecting tank for coal processing comprises a casing 10, an electric control shutter 31 is rotatably arranged on the front side wall of the casing 10, the electric control shutter 31 is used for sealing the front side surface of the whole casing 10, a driving cavity 13 is arranged on the left side wall of the casing 10, a driving device is arranged in the driving cavity 13, a clapboard groove 26 is fixedly arranged on the right side wall of the casing 10, a water washing device is arranged in the clapboard groove 26 and used for washing coal with water flow, coal washing water 24 is arranged on the lower side of the casing 10, a worm gear shaft 21 is rotatably arranged on the lower left side wall of the casing 10, and a stirring device is arranged on the worm gear shaft 21 and used for stirring the coal washing water 24 and floating coal.

As shown in fig. 1, the driving device includes a fixed motor 16 fixed on the left side wall of the driving chamber 13, a driving shaft 17 is fixed on the output end of the fixed motor 16, a fixed sleeve 44 is fixed in the driving chamber 13, the driving shaft 17 extends into the fixed sleeve 44, a motor gear 18 is fixed on the right end of the driving shaft 17, a ring rack 19 is fixed on the upper and lower side walls of the fixed sleeve 44 in a ring shape, a ring groove is fixed on the left side wall of the fixed sleeve 44, sliding in this annular is equipped with bearing 14, bearing 14 right-hand member rotates and is equipped with roller 12, fixed double-engagement wheel 15 that is equipped with on roller 12, double-engagement wheel 15 and motor gear 18 meshing, double-engagement wheel 15 and the meshing of circle rack 19, fixed being equipped with on roller 12 rolls up ash roller 11, roll up ash roller 11 and control the fixed four long rack 37 that are equipped with of orientation, it has movable plate 28 to slide on the ash roller 11 to roll up, be equipped with the coal ash collection device on the movable plate 28, coal ash collection device is used for collecting the coal ash on the ash roller 11.

As shown in fig. 3, 4 and 5, the coal ash collecting device includes four coal ash collecting cavities 34 fixed on the moving plate 28, each coal ash collecting cavity 34 is rotatably provided with a ash rolling cylinder shaft 39, the ash rolling cylinder shaft 39 is fixedly provided with a bevel gear 38, the bevel gear 38 is engaged with the long rack 37, the ash rolling cylinder shaft 39 is fixedly provided with a deflector rod ring 40, the deflector rod ring 40 is annularly and fixedly provided with six deflector rods 36, the ash rolling cylinder shaft 39 is fixedly provided with an ash rolling cylinder 32, and the ash rolling cylinder 32 is annularly and fixedly provided with a plurality of bristles 33.

As shown in FIG. 5, the bristles 33 have elasticity, so that when the bristles 33 are rotated into the soot collection cavity 34, each bristle 33 is pressed and stressed to bend when entering the soot collection cavity 34, and after the bristles 33 completely enter the soot collection cavity 34, soot on the bristles 33 is ejected and released under the action of the elasticity.

As shown in FIG. 5, a soot extrusion device is provided on a sidewall of each soot collection chamber 34 for extruding and collecting soot that is ejected onto the sidewall of the soot collection chamber 34 by the bristles 33.

As shown in fig. 1 and 5, the soot pressing device includes a moving rod 35 slidably disposed on a sidewall of the soot collection chamber 34, the moving rod 35 can be shifted by a shift lever 36, moving rod springs 42 are connected between front and rear sidewalls of the moving rod 35 and front and rear sidewalls of the soot collection chamber 34, a soot scraping block 43 is fixedly disposed on the front and rear sidewalls of the moving rod 35, soot outlets 41 are fixedly disposed on the front and rear sidewalls of the soot collection chamber 34, a collection pump 27 is fixedly disposed at a right end of the moving plate 28, and a negative pressure suction pipe is connected between the collection pump 27 and each soot outlet 41.

As shown in figures 1 and 2, the water washing device comprises a clapboard 30 which is arranged in a clapboard groove 26 in a sliding way up and down, a plurality of small filter holes are arranged on the clapboard 30, a plurality of check valves for draining water downwards are arranged on the clapboard 30, and a clapboard spring 25 is connected between the lower side wall of the clapboard groove 26 and the lower side wall of the clapboard 30.

As shown in fig. 1, the stirring device includes a gear 22 fixed on the left side of a worm wheel shaft 21, a worm wheel roller 23 fixed on the right end of the worm wheel shaft 21, a moving rack 20 fixed on the left lower side wall of a partition 30, and the moving rack 20 engaged with the gear 22.

Coal to be washed enters through the rear side of the device and moves to the front side, the coal floats on the surface of coal washing water 24, coal ash is washed by the coal washing water 24 and floats on the surface of the coal washing water 24 and is positioned below a partition plate 30, an electric control shutter 31 is used for closing the device, a fixed motor 16 is started to drive a motor gear 18 to rotate and is meshed with a double-meshed wheel 15 to rotate, the double-meshed wheel 15 is meshed with a ring rack 19, a bearing 14 slides in a ring groove of the left side wall of a fixed sleeve 44, a roller shaft 12 rotates around a driving shaft 17 and the roller shaft 12 rotates, an ash rolling roller 11 rotates and rotates, the ash rolling roller 11 presses a partition plate 30 forwards in the rotating process, the partition plate 30 enters into the coal washing water 24, the coal floating on the uppermost surface of the coal washing water 24 is pressed downwards, meanwhile, the coal ash on the surface floats to the upper side of the partition plate 30, and the floating coal ash and the coal washing water 24 are collected along with the rotation of the ash rolling roller 11, the coal washing water 24 flows back into the device through the filter tube of the ash rolling roller 11, meanwhile, the partition plate 30 moves downwards in the inclined partition plate groove 26 due to the fact that the partition plate 30 is pressed downwards, the coal washing water 24 flows to the upper side of the partition plate 30 through the gap between the partition plate 30 and the inclined partition plate groove 26, after the partition plate 30 is not pressed downwards in the rotation process of the ash rolling roller 11, under the action of the partition plate spring 25, the partition plate 30 moves upwards, the coal washing water 24 on the upper side face of the partition plate 30 flows downwards through the one-way valve on the partition plate 30 to impact the coal in the coal washing water 24, the coal is rotated, all the faces are fully contacted with the coal washing water 24, more coal ash is washed, compared with the traditional centrifugal coal washing method, the surface of the coal is in more contact, and more coal ash can be washed.

Meanwhile, when the partition board 30 moves downwards, the moving rack 20 is driven to move downwards, so that the moving rack 20 is meshed with the gear 22 to rotate, the worm wheel shaft 21 is driven to rotate, the worm wheel roller 23 is driven to rotate, the coal washing water 24 is stirred, and the rotation of the floating coal is accelerated.

After the coal ash is collected by the ash rolling roller 11, the movable disc 28 is started to slide on the ash rolling roller 11 in a left-right reciprocating manner, the bevel gear 38 is meshed with the long rack 37 when sliding in a left-right reciprocating manner, the bevel gear 38 is driven to rotate, the ash rolling roller shaft 39 is driven to rotate, the ash rolling roller 32 is driven to rotate, the coal ash on the surface of the ash rolling roller 11 is rolled up by the bristles 33, after the bristles 33 rotate into the coal ash collecting cavity 34, the bristles are firstly clamped by the side wall of the coal ash collecting cavity 34 to accumulate force and then are separated from the side wall to release elastic force, the coal ash on the bristles 33 is thrown onto the side wall of the coal ash collecting cavity 34, the cleanliness of the bristles 33 is maintained, water drops on the coal ash are simultaneously ejected, the coal ash is prevented from being excessively wet, and the utilization rate of the coal washing water 24 is ensured.

The ash rolling barrel shaft 39 rotates to drive the shifting rod ring 40 to rotate, the shifting rod 36 rotates, when the shifting rod 36 shifts the moving rod 35, the ash scraping block 43 is driven to slide, coal ash ejected from the side wall of the coal ash collecting cavity 34 is scraped into the ash outlet 41, the coal ash is collected by the collecting pump 27 under negative pressure, and the coal ash which is not too wet is directly collected, so that the subsequent drying treatment of the coal ash is facilitated.

After the coal is washed, the electric control shutter 31 is started to move the coal forward to enter the next step.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The water-saving multi-area coal washing and ash collecting tank for coal processing comprises a shell (10) and is characterized in that an electric control shutter (31) is rotatably arranged on the front side wall of the shell (10), the electric control shutter (31) is used for sealing the front side surface of the whole shell (10), a driving cavity (13) is formed in the left side wall of the shell (10), a driving device is arranged in the driving cavity (13), an inclined partition plate groove (26) is fixedly arranged on the right side wall of the shell (10), a water washing device is arranged in the inclined partition plate groove (26) and used for washing coal with water flow, coal washing water (24) is arranged on the lower side of the shell (10), a worm gear shaft (21) is rotatably arranged on the lower left side wall of the shell (10), a stirring device is arranged on the worm gear shaft (21) and used for stirring the coal washing water (24) and floating coal, and the driving device comprises a fixed motor (16) fixed on the left side wall of the driving cavity (13), the fixed drive shaft (17) that is equipped with on the output of fixed motor (16), drive chamber (13) internal fixation is equipped with fixed cover (44), drive shaft (17) stretches into in fixed cover (44), the fixed motor gear (18) that is equipped with of drive shaft (17) right-hand member, the annular is fixed on the lateral wall about fixed cover (44) and is equipped with a circle rack (19), fixed being equipped with the round annular on the fixed cover (44) left side wall, it is equipped with bearing (14) to slide in the annular, bearing (14) right-hand member rotates and is equipped with roller (12), fixed being equipped with double-meshed wheel (15) on roller (12), double-meshed wheel (15) with motor gear (18) meshing, double-meshed wheel (15) with circle rack (19) meshing, the fixed roller (11) that is equipped with on roller (12), roll up fixed four long rack (37) of orientation about ash roller (11), the movable plate (28) is arranged on the ash rolling roller (11) in a sliding mode, the coal ash collecting device is arranged on the movable plate (28), the coal ash collecting device is used for collecting coal ash on the ash rolling roller (11), the coal ash collecting device comprises four coal ash collecting cavities (34) fixed on the movable plate (28), each coal ash collecting cavity (34) is provided with an ash rolling barrel shaft (39) in a rotating mode, a bevel gear (38) is fixedly arranged on each ash rolling barrel shaft (39), the bevel gear (38) is meshed with the long rack (37), a poking rod ring (40) is fixedly arranged on each ash rolling barrel shaft (39), six poking rods (36) are fixedly arranged on the poking rod ring (40) in an annular mode, an ash rolling barrel (32) is fixedly arranged on each ash rolling barrel (32) in an annular mode, a plurality of bristles (33) are fixedly arranged on each bristle (33) and have elasticity, when the bristles (33) are shifted into the coal ash collecting cavity (34), the bristles (33) can enter the coal ash collecting cavity (34) and are extruded and stressed to be bent, after the bristles completely enter the coal ash collecting cavity (34), coal ash on the bristles (33) can be ejected and released under the action of elastic force, a coal ash extruding device is arranged on the side wall of each coal ash collecting cavity (34) and is used for ejecting the bristles (33) to coal ash on the side wall of the coal ash collecting cavity (34) to be extruded and collected, the coal ash extruding device comprises a moving rod (35) which is arranged on the side wall of the coal ash collecting cavity (34) in a sliding mode, the moving rod (35) can be moved by the shifting rod (36), and moving rod springs (42) are connected between the front side wall and the rear side wall of the moving rod (35) and the front side wall and rear side wall of the coal ash collecting cavity (34), the ash scraping device is characterized in that ash scraping blocks (43) are fixedly arranged on the front side wall and the rear side wall of the moving rod (35), ash outlets (41) are fixedly arranged on the front side wall and the rear side wall of the coal ash collecting cavity (34), collecting pumps (27) are fixedly arranged at the right end of the moving plate (28), negative pressure suction pipes are connected between the collecting pumps (27) and each ash outlet (41), the washing device comprises a partition plate (30) which is arranged in an inclined partition plate groove (26) in a vertical sliding mode, a plurality of small filter holes are formed in the partition plate (30), a plurality of check valves for discharging water downwards are arranged on the partition plate (30), a partition plate spring (25) is connected between the lower side wall of the inclined partition plate groove (26) and the lower side wall of the partition plate (30), the stirring device comprises a gear (22) fixed on the left side of a worm wheel shaft (21), a worm wheel roller (23) is fixedly arranged at the right end of the worm wheel shaft (21), and a moving rack (20) is fixedly arranged on the lower left side wall of the partition plate (30), the moving rack (20) is engaged with the gear (22).