CN212962685U - Coal preparation mill is with last clean coal dewatering device - Google Patents
Coal preparation mill is with last clean coal dewatering device Download PDFInfo
- Publication number
- CN212962685U CN212962685U CN202021949049.9U CN202021949049U CN212962685U CN 212962685 U CN212962685 U CN 212962685U CN 202021949049 U CN202021949049 U CN 202021949049U CN 212962685 U CN212962685 U CN 212962685U
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- China
- Prior art keywords
- coal
- box
- dewatering
- dehydration
- dehydration box
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- 239000003245 coal Substances 0.000 title claims abstract description 121
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 230000018044 dehydration Effects 0.000 claims abstract description 44
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 44
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims 2
- 208000005156 Dehydration Diseases 0.000 description 28
- 238000001035 drying Methods 0.000 description 9
- 239000010410 layer Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000003818 cinder Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model relates to a coal preparation mill discloses a rotor plate through crisscross distribution dries repeatedly to last cleaned coal, and refines last cleaned coal through the separation lug, avoids the dewatering device of last cleaned coal caking. Fully dry last clean coal, its characterized in that put out the coal scuttle bottom the dehydration tank, the diameter that goes out the coal scuttle reduces gradually from the top down, advances the coal groove and arranges the dehydration tank top in, it is linked together to advance the coal groove and the dehydration tank, it is funnel type groove to advance the coal groove, the dehydration tank is close to both ends and has been put two sets of driven sprocket respectively, and is two sets of on the both sides of dehydration tank are arranged respectively to driven sprocket, two sets of driven gear is corresponding, the driven gear on the dehydration tank both ends staggers mutually, and is a set of the drive sprocket is connected through the conveying chain, and on the both ends of dehydration tank were arranged respectively in to two motors, the motor shaft of motor was.
Description
Technical Field
The utility model relates to a coal preparation plant carries out device of dehydration with last clean coal relates to one kind and uses at the coal preparation plant to last clean coal the device that dewaters, belongs to the coal mine equipment field. In particular to a dewatering device which repeatedly dries the fine clean coal through rotating plates which are distributed in a staggered mode, refines the fine clean coal through separating convex blocks and avoids agglomeration of the fine clean coal.
Background
The clean coal obtained by wet coal washing contains water, in order to use the clean coal in processes such as coking and the like, dehydration treatment is carried out, the conventional dehydration method is to dry an additional screen to carry out a sieving movement accelerating drying process, the clean coal is dried by contacting hot air with the clean coal, the drying process is long and is difficult to ensure the thorough and clean drying inside the clean coal, the conventional dehydration sieve is of an independent sieve body structure, the omission is easily caused by single dehydration of the clean coal, the drying effect is poor, the fine clean coal is fine, generally the clean coal with the granularity smaller than 13mm, and the fine coal has fine particles, and because the fine coal particles are fine in sieving movement, the adjacent clean coal particles are mutually in rolling contact and converge into large coal blocks, the internal coal particles are shielded, and the dehydration treatment of the coal particles is influenced.
Publication No. CN208108618U discloses a coal cinder dehydrating device, which comprises a shell with a discharge hole and a feed inlet, the grinding rollers, the drum dryer and the heat dissipation part are sequentially arranged in the inner cavity of the shell from top to bottom, at least two grinding rollers are arranged, the grinding rollers are connected with the motor through a transmission mechanism, the upper end of the drum dryer is covered with a filter screen, the filter screen is provided with a vibration motor, the heat dissipation part comprises a plurality of inclined clapboards, the inclined clapboards are arranged on the two opposite side walls of the shell in a staggered manner along the vertical direction, each inclined clapboard inclines from the top to the bottom from the connecting end of the inclined clapboard and the inner wall of the shell to the suspended end, the outlet end of the drum dryer is positioned right above the uppermost inclined clapboard, the device smashes earlier and dries again, can not ensure the cinder at the in-process of drying, because the mutual roll of cinder, the manifold block that converges influences the fineness of coal.
Disclosure of Invention
In order to improve the condition, the utility model relates to a coal preparation plant provides one kind and dries repeatedly the terminal cleaned coal through crisscross rotor plate that distributes to terminal cleaned coal, and refines the terminal cleaned coal through the separation lug, avoids the dewatering device of terminal cleaned coal caking. Fully drying the fine clean coal.
The utility model relates to a coal preparation mill is with last clean coal dewatering device is realized like this: the utility model relates to a coal preparation plant is with last clean coal dewatering device comprises dehydration box, advance coal groove, conveying chain, drive sprocket, driven sprocket, motor, rotor plate, supporting seat, play coal scuttle, bearing, rotation axis, separation lug, extension board heating rod, air inlet machine and air exhauster, the play coal scuttle has been put to dehydration box bottom, the diameter that goes out the coal scuttle reduces gradually from top to bottom, advances the coal groove and arranges dehydration box top in, advance coal groove and dehydration box and be linked together, advance the coal groove and be the funnel type groove, two sets of driven sprockets have been put respectively near both ends to the dehydration box, two sets of driven sprocket arranges respectively on the both sides of dehydration box, two sets of driven sprocket correspond, the driven sprocket on the dehydration box both ends staggers mutually, a set of driven sprocket passes through the conveying chain and is connected, two motors arrange respectively on the both ends of dehydration box, the drive gear cover is arranged on the motor shaft of motor, the driving gear is meshed with a conveying chain on one side of the dewatering box, a plurality of pairs of supporting seats are respectively arranged on the inner walls of the two ends of the dewatering box, the supporting seats correspond to the driven chain wheel, the driven wheel and the rotating shaft in the driven chain wheel are arranged on a pair of supporting seats, two ends of the rotating shaft respectively penetrate out of the dewatering box through bearings, two ends of the rotating shaft are respectively connected with two corresponding driven chain wheels, one end of the rotating plate is fixedly connected with the rotating shaft, the other end of the rotating plate extends downwards towards the middle part of the dewatering box in an inclined way and then is bent upwards in an inclined way to form an extending plate, the dehydration box comprises a dehydration box body, a rotating plate and a heating box, wherein the dehydration box body is provided with a plurality of rotating plates, the rotating plates are provided with a plurality of separating lugs, the width of each separating lug is gradually reduced from the other end of each rotating plate to one end of each rotating plate to form a cutting edge, a heating rod is arranged between every two adjacent rotating plates, an exhaust pipe is arranged at the top of the dehydration box, and the exhaust pipe is communicated.
Has the beneficial effects.
Firstly, the structure of the separation lug can ensure that the fine clean coal is refined and avoid caking of the fine clean coal.
And secondly, screening and drying for multiple times to fully dry the fine clean coal.
Drawings
FIG. 1 is a three-dimensional structure diagram of a final clean coal dewatering device for a coal preparation plant;
FIG. 2 is a schematic structural view of a final clean coal dewatering device for a coal preparation plant of the present invention;
FIG. 3 is a schematic structural view of a rotary shaft of a fine clean coal dewatering device for a coal preparation plant of the present invention;
fig. 4 is a schematic structural view of a rotor plate of a coal preparation plant with a pulverized coal dewatering device.
In the attached drawings
Wherein the method comprises the following steps: the coal-saving device comprises a dewatering box 1, a coal inlet groove 2, a conveying chain 3, a driving sprocket 4, a driven sprocket 5, a motor 6, a rotating plate 7, a supporting seat 8, a coal outlet hopper 9, a bearing 10, a rotating shaft 11, a separation lug 12, an extension plate 13, a heating rod 14 and an exhaust pipe 15.
The specific implementation mode is as follows:
the utility model relates to a coal preparation mill is with last clean coal dewatering device is realized like this: the utility model relates to a coal preparation mill is with last clean coal dewatering device comprises dehydration box 1, advance coal groove 2, conveying chain 3, drive sprocket 4, driven sprocket 5, motor 6, rotor plate 7, supporting seat 8, play coal scuttle 9, bearing 10, rotation axis 11, separation lug 12, extension board 13 heating rod 14, air inlet machine and air exhauster, the play coal scuttle 9 has been put to dehydration box 1 bottom, the diameter that goes out coal scuttle 9 reduces gradually from the top down, advances coal groove 2 and arranges dehydration box 1 top in, it is linked together to advance coal groove 2 and dehydration box 1, it is funnel type groove to advance coal groove 2, dehydration box 1 is close to both ends and has been put two sets of driven sprocket 5 respectively, two sets of driven sprocket 5 are arranged respectively on the both sides of dehydration box 1, two sets of driven sprocket 5 are corresponding, driven sprocket 5 on dehydration box 1 both ends staggers mutually, a set of driven sprocket 5 is connected through conveying chain 3, two motors 6 are respectively arranged at two ends of a dewatering box 1, a driving gear is sleeved on the shaft of the motor 6 and is meshed with a conveying chain 3 on one side of the dewatering box 1, a plurality of pairs of supporting seats 8 are respectively arranged on the inner walls of the two ends of the dewatering box 1, the supporting seats 8 correspond to driven sprockets 5, driven pulleys in the driven sprockets 5, a rotating shaft 11 is arranged on the pair of supporting seats 8, two ends of the rotating shaft 11 respectively penetrate out of the dewatering box 1 through bearings 10, two ends of the rotating shaft 11 are respectively connected with the two corresponding driven sprockets 5, one end of a rotating plate 7 is fixedly connected with the rotating shaft 11, the other end of the rotating plate 7 firstly extends downwards obliquely towards the middle part of the dewatering box 1 and then is bent upwards obliquely to form an extending plate 13, a plurality of separating lugs 12 are arranged on the rotating plate 7, and the width of the separating lugs 12 is gradually reduced from the other end of the rotating plate, a heating rod 14 is arranged between every two adjacent rotating plates 7, an air exhaust pipe 15 is arranged at the top of the dewatering box 1, and the air exhaust pipe 15 is communicated with the inside of the heating box;
when the device is used, the device is moved to a position of a fine clean coal outlet, the fine clean coal falls to a coal inlet and enters an upper layer rotating plate 7 in a dewatering box 1, a motor 6 is started at the same time, the motor 6 is controlled to perform intermittent forward and backward rotation, the fine clean coal moves downwards along the slope of the rotating plate 7 under the self gravity and is spread, a separation lug 12 on the rotating plate 7 blocks and cuts the fine clean coal to avoid the fine clean coal from agglomerating, a heating rod 14 is electrified to heat and dry the fine clean coal in the dewatering box 1, when the fine clean coal moves to an extension plate 13, the fine clean coal is concentrated at a bending position to stop moving, when the motor 6 drives a rotating rod to rotate through a driving chain wheel 4 and a driven chain wheel 5, so that when the extension plate 13 at the other end of the rotating plate 7 inclines downwards, the fine clean coal slides downwards to the rotating plate 7 at the next layer, the rotating plate 7 at the next layer swings upwards and downwards to separate the fine, meanwhile, the heating rod 14 heats and dries the fine clean coal, then the fine clean coal enters the next layer of rotating plate 7, and the steps are repeated in this way, so that the fine clean coal is dried for multiple times, the adhesion of the fine clean coal can be avoided, and the fine clean coal is fully dried; an air inlet pipe is arranged on the heating box, dry nitrogen is blown into the dehydration box 1 through the air inlet pipe, and evaporated water vapor is pumped out through the air exhaust pipe 15, so that secondary pollution caused by the water vapor is avoided;
the diameter of the coal outlet hopper 9 is gradually reduced from top to bottom, so that dried fine coal can be collected, and the situation that the fine coal is scattered and difficult to collect is avoided;
the coal feeding groove 2 is designed to be a funnel-shaped groove, and can collect and guide falling fine clean coal to enable the falling fine clean coal to fall onto the rotating plate 7 on the uppermost layer;
the width of the separation lug 12 is gradually reduced from the other end of the rotating plate 7 to one end of the rotating plate 7 to form a knife edge, so that fine clean coal can be cut and refined, and agglomeration of the fine clean coal is avoided;
the design that the driven chain wheels 5 at the two ends of the dewatering box 1 are staggered enables the two groups of rotating plates 7 to be staggered, so that the fallen fine clean coal can be placed on the surface layer and firstly enter the lower layer for drying after the fine clean coal falls off, and the drying is sufficient;
an air inlet pipe is arranged on the heating box, and dry nitrogen is blown into the dehydration box 1 through the air inlet pipe, so that an anaerobic environment is kept in the dehydration box 1, and the burning of the pulverized clean coal is avoided;
the above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.
It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (5)
1. The utility model provides a coal preparation mill is with last clean coal dewatering device which characterized by: the coal-feeding device comprises a dehydration box, a coal feeding groove, a conveying chain, a driving chain wheel, driven chain wheels, motors, rotating plates, supporting seats, a coal discharging hopper, bearings, a rotating shaft, a separating lug, an extending plate heating rod, an air inlet machine and an exhaust fan, wherein the coal discharging hopper is arranged at the bottom of the dehydration box, the coal feeding groove is arranged at the top of the dehydration box, the coal feeding groove is communicated with the dehydration box, two groups of driven chain wheels are respectively arranged at the positions, close to the two ends of the dehydration box, and are respectively arranged on the two sides of the dehydration box, the two groups of driven chain wheels are respectively arranged on the two sides of the dehydration box, are corresponding to each other, the driven chain wheels at the two ends of the dehydration box are staggered, one group of driven chain wheels is connected through the conveying chain, the two motors are respectively arranged on the two ends of the dehydration box, the driving gear is, the supporting seat corresponds to the driven chain wheel, the driven wheel in the driven chain wheel is arranged on the supporting seat, the rotating shaft is arranged on the supporting seat, two ends of the rotating shaft penetrate out of the dewatering box through bearings respectively, two ends of the rotating shaft are connected with the two corresponding driven chain wheels respectively, one end of the rotating plate is fixedly connected with the rotating shaft, a plurality of separating lugs are arranged on the rotating plate, a heating rod is arranged between every two adjacent rotating plates, the exhaust tube is arranged at the top of the dewatering box, and the exhaust tube is communicated with the inside of the heating box.
2. The device for dewatering fine cleaned coal for a coal preparation plant according to claim 1, wherein the coal inlet chute is a funnel-shaped chute.
3. The device for dehydrating fine and clean coal for a coal preparation plant according to claim 1, wherein the width of the separation projection is gradually reduced from the other end of the rotating plate to one end of the rotating plate to form a blade.
4. The device of claim 1, wherein the other end of the rotating plate extends obliquely downward toward the middle of the dewatering box and then bends obliquely upward to form an extending plate.
5. The device for dewatering fine cleaned coal for a coal preparation plant according to claim 1, wherein the diameter of the coal outlet hopper is gradually reduced from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021949049.9U CN212962685U (en) | 2020-09-09 | 2020-09-09 | Coal preparation mill is with last clean coal dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021949049.9U CN212962685U (en) | 2020-09-09 | 2020-09-09 | Coal preparation mill is with last clean coal dewatering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212962685U true CN212962685U (en) | 2021-04-13 |
Family
ID=75366509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021949049.9U Expired - Fee Related CN212962685U (en) | 2020-09-09 | 2020-09-09 | Coal preparation mill is with last clean coal dewatering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212962685U (en) |
-
2020
- 2020-09-09 CN CN202021949049.9U patent/CN212962685U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 |
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| CF01 | Termination of patent right due to non-payment of annual fee |