CN2688392Y - Coarse coal slush centrifugal dewatering apparatus - Google Patents
Coarse coal slush centrifugal dewatering apparatus Download PDFInfo
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- CN2688392Y CN2688392Y CN 200420028744 CN200420028744U CN2688392Y CN 2688392 Y CN2688392 Y CN 2688392Y CN 200420028744 CN200420028744 CN 200420028744 CN 200420028744 U CN200420028744 U CN 200420028744U CN 2688392 Y CN2688392 Y CN 2688392Y
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- engine block
- basket
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- dewatering apparatus
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Abstract
The utility model discloses a coarse coal slush centrifugal dewatering apparatus, comprising an engine block, a motor which is provided outside the engine block, a drive which is connected with the motor and a differential gearing which is connected with the drive. The screen basket of the dewatering apparatus is arranged on the differential gearing and arranged in the engine block. The screen basket is provided with a screw drawknife. The upper end of the engine block is provided with a feed inlet. One side of the engine block is provided with a centrifugal liquid outlet. The lower end of the engine block is provided with a dewater product outlet. The semi-cone angle of the screen basket is from 25 degrees to 35 degrees . The slit of the screen basket <=0. 4mm. The semi-cone angle of the screw drawknife is from 25 degrees to 35 degrees . When the utility model is compared with the high frequency shale shaker, the product moisture reduces by 13 percentage points, the unit processing ability increases 3-4 times, solving the technological problem of our coal separating plant that the type of the coarse slime reclaimer is difficult to choose at present. The cost of facilities is lower than the same foreign facilities. Compared with the same facilities, about 80% of the cost is saved. The utility model is the ideal coarse slime dewatering apparatus.
Description
Technical field
The utility model relates to a kind of centrifugal dehydrator, particularly relates to a kind of coal preparation plant's Coarse coal centrifuge dewaterer that is used for.
Background technology
At present, domestic each coal preparation plant adopts dual mode mostly when handling the 0.5-0.15mm coarse slime:
1, introduces the external coal slime centrifuge of producing.This machine costs an arm and a leg, costs and poor dehydration results, and product moisture is undesirable.
2, adopt " high frequency shale shaker " to dewater.This sieve is owing to its structural limitations, and treating capacity is little, and product moisture exceeds 18 percentage points than LLL-B type coarse slime centrifuge, and the fault rate height is fragile.
Summary of the invention
The purpose of this utility model provides a kind of wash water closed cycle, and product moisture is low, the free of contamination Coarse coal centrifuge dewaterer of production process.
The technical scheme that realizes the foregoing invention purpose is: comprise body, the transmission device that place extra-organismal motor, is connected with motor, the gear differential mechanism that is connected with transmission device, basket are installed in and place in the body on the gear differential mechanism, spiral scraper is arranged in the basket, the upper end of body is provided with feeding mouth, and a side is provided with the centrifugate outlet, and there is the dehydrating prods outlet lower end, its structural feature is, the semi-cone angle of basket is 25 °-35 °, basket slit≤0.4mm, and the spiral scraper semi-cone angle is 25 °-35 °.
The utility model is compared with high frequency shale shaker, and product moisture has reduced by 13 percentage points, and the unit disposal ability improves 3-4 doubly, has solved present China coal preparation plant coarse slime reclaimer type selecting difficult technologies difficult problem; Equipment cost is lower than external same category of device, compares saving fund about 80% with same category of device.The large tracts of land of this equipment is used will produce considerable economic and social benefit.It has realized the wash water closed cycle, has stopped black water and has effluxed, and can not produce pollution, can preserve the ecological environment effectively.
The technical parameter that the utility model is compared with background technology is represented with following table:
Table 1
| Project | FC-1200 type centrifuge | LLL200X650B type Coarse coal centrifuge dewaterer |
| The place of production | Australia John finlay company | Co., Ltd is equipped in gloomy general mine, Tangshan |
| Reclaim granularity | ＞0.15mm | ＞0.15mm |
| Pan feeding concentration | ＞50％ | ＞40％ |
| Dehydration back product moisture | 12-18％ | 12-16％ |
| The unit treating capacity | 50-80t/h | 35-50t/h |
| Price | 1,320,000 yuan | 280,000 yuan |
Table 2
| Project | High frequency shale shaker | Coarse coal centrifuge dewaterer |
| Dehydration back product moisture | 24-30％ | 12-16％ |
| The unit treating capacity | 8-12h/t | 35-50h/t |
| Running noise | 90dB(A) | 75dB(A) |
| The maximization degree | Dither, maximization difficulty | Centrifugal force dehydration, maximization are easily |
| Overhaul life | 3000h | 20000h |
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
The utility model is made up of body, motor 13, transmission device, gear differential mechanism 11, spiral scraper 10, basket 5.As shown in Figure 1, motor 13 places the outside of body, is connected with transmission device, and transmission device is made up of belt 14, driving-chain and is placed in the body, is connected with gear differential mechanism 11.Basket 5 is installed on the gear differential mechanism 11, and the angle of basket arbitrary bus of 5 inboard cones and rotation centerline is that semi-cone angle 6 is 25 °-35 °, basket slit≤0.4mm.Spiral scraper 10 is arranged in the basket 5, and the arbitrary bus of blade outboard cone of spiral scraper 10 and the angle of rotation centerline are that semi-cone angle 9 is 25 °-35 °.Gear differential mechanism 11 drives basket 5 rotations.As Fig. 1, the top of basket 5 is provided with cloth awl 8, feeding mouth 7 be positioned at cloth awl 8 above.The both sides of body are provided with centrifugate outlet 2, and centrifugate outlet 2 is provided with protection ring 12.Dehydrating prods outlet 15 is arranged at the bottom of body.For the ease of maintenance, gear differential mechanism 11 and body are flexibly connected.
The utility model is series of products, and its technical parameter sees the following form
| Parameter name | Unit | LLL720X400B | LLL930X470B | LLL1030X550B | LLL120X650B | |
| Reclaim granularity | mm | ＞0.15 | ＞0.15 | ＞0.15 | ＞0.15 | |
| Pan feeding concentration | ％ | ＞40 | ＞40 | ＞40 | ＞40 | |
| Disposal ability (pan feeding) | t/h | 10-15 | 15-25 | 25-35 | 35-50 | |
| The product free moisture | ％ | 12-16 | 12-16 | 12-16 | 12-16 | |
| The basket outside diameter | mm | 720 | 930 | 1030 | 1200 | |
| The screen cloth slit | mm | 0.25；0.35 | 0.25；0.35 | 0.25；0.35 | 0.25；0.35 | |
| Main motor | Model | Y200L1-6-V1 | Y250M-6-V1 | Y280S-6-V1 | Y250M-4-V1 | |
| Power | KW | 18.5 | 37 | 45 | 55 | |
| Rotating speed | r/min | 970 | 980 | 980 | 1480 | |
| Lubrication motor | Model | Y802-4 | Y802-4 | Y90S-4 | Y90S-4 | |
| Power | KW | 0.75 | 0.75 | 1.1 | 1.1 | |
| Rotating speed | r/min | 1390 | 1390 | 1400 | 1400 | |
| Machine weight kg | 4400 | 6500 | 7980 | 8770 | ||
The course of work of the present utility model: coal slime is by feeding mouth 7, through cloth awl 8 spaces that enter between basket 5 and the spiral scraper 10.Under action of centrifugal force, water and little particle-centrifugate see through material bed, pass screen cloth, flow in the water leg 3 on support 1 top along loam cake 4, export outside the 2 discharge machines by the centrifugate that is located at the body both sides then; The coal grain remains on basket 5 inboards, and because of between spiral scraper 10 and the basket 5 speed discrepancy being arranged, spiral scraper 10 scrapes the coal grain from screen cloth, and it is pushed to basket 5 bottoms, thereby the dry coal mud after will dewatering is discharged in the rewinding funnel of machine bottom.This process is continuously carried out.
Claims (2)
1, a kind of Coarse coal centrifuge dewaterer comprises body, the transmission device that place extra-organismal motor, is connected with motor, the gear differential mechanism that is connected with transmission device, basket is installed in and places on the gear differential mechanism in the body, and spiral scraper is arranged in the basket, and the upper end of body is provided with feeding mouth, one side is provided with the centrifugate outlet, there is the dehydrating prods outlet lower end, it is characterized in that the semi-cone angle of basket is 25 °-35 °, basket slit≤0.4mm, the spiral scraper semi-cone angle is 25 °-35 °.
2, Coarse coal centrifuge dewaterer according to claim 1 is characterized in that, described gear differential mechanism and body flexibly connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420028744 CN2688392Y (en) | 2004-04-09 | 2004-04-09 | Coarse coal slush centrifugal dewatering apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420028744 CN2688392Y (en) | 2004-04-09 | 2004-04-09 | Coarse coal slush centrifugal dewatering apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2688392Y true CN2688392Y (en) | 2005-03-30 |
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ID=34670313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420028744 Expired - Lifetime CN2688392Y (en) | 2004-04-09 | 2004-04-09 | Coarse coal slush centrifugal dewatering apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2688392Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806530B (en) * | 2009-02-16 | 2012-09-05 | 张学骞 | Vertical centrifugal hydroextractor |
| CN107427843A (en) * | 2015-01-15 | 2017-12-01 | 伟尔矿物澳大利亚私人有限公司 | Centrifugal vortex screening plant |
| CN108844319A (en) * | 2018-07-05 | 2018-11-20 | 丁文铃 | A kind of centrifugal coal dewaterer |
-
2004
- 2004-04-09 CN CN 200420028744 patent/CN2688392Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806530B (en) * | 2009-02-16 | 2012-09-05 | 张学骞 | Vertical centrifugal hydroextractor |
| CN107427843A (en) * | 2015-01-15 | 2017-12-01 | 伟尔矿物澳大利亚私人有限公司 | Centrifugal vortex screening plant |
| CN107427843B (en) * | 2015-01-15 | 2019-10-25 | 伟尔矿物澳大利亚私人有限公司 | Centrifugal vortex screening plant |
| CN108844319A (en) * | 2018-07-05 | 2018-11-20 | 丁文铃 | A kind of centrifugal coal dewaterer |
| CN108844319B (en) * | 2018-07-05 | 2020-09-25 | 丁文铃 | Centrifugal coal hydroextractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Tangshan Guohua Technology Co., Ltd. Assignor: Zhang Yongsheng Contract fulfillment period: 2008.10.1 to 2013.10.1 Contract record no.: 2008990001121 Denomination of utility model: Coarse coal slush centrifugal dewatering apparatus Granted publication date: 20050330 License type: Exclusive license Record date: 20081106 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.1 TO 2013.10.1; CHANGE OF CONTRACT Name of requester: TANGSHAN GUOHUA TECHNOLOGY CO., LTD. Effective date: 20081106 |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140409 Granted publication date: 20050330 |