CN2820323Y - Pre-selection wetting device for raw coal - Google Patents
Pre-selection wetting device for raw coal Download PDFInfo
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- CN2820323Y CN2820323Y CN 200520024938 CN200520024938U CN2820323Y CN 2820323 Y CN2820323 Y CN 2820323Y CN 200520024938 CN200520024938 CN 200520024938 CN 200520024938 U CN200520024938 U CN 200520024938U CN 2820323 Y CN2820323 Y CN 2820323Y
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Abstract
The utility model relates to a pre-selection wetting device for raw coal, which comprises a raw coal incoming belt conveyer used for the raw coal selecting flow operation, a raw coal scraper conveyer, a coal feed funnel and a three-product dense-medium cyclone. The head of the raw coal incoming belt conveyer is connected with the material input oven of the raw coal scraper conveyer; the raw coal scraper conveyer is connected with the coal feed funnel; the coal feed funnel is connected with the three-product dense-medium cyclone; (1) the pre-selection wetting device for raw coal is characterized in that sprayers for wetting the raw coal are respectively arranged on the head of the belt conveyer, the inside of the raw coal scraper conveyer and the inside of the coal feed funnel. Compared with the prior art, the wet raw coal is not rolled together. The 1.80kg/L density level content of the head coal is decreased from value at least of 2% to value within 0.1%, which eliminates the phenomenon that the head coal has the bone coal, and increases the sharpness of selection and the handling ability. The device has scientific and reasonable design of the mounting position and high production efficiency.
Description
Technical field
The utility model relates to the wet device of a kind of retouching, specifically a kind of Coal wetting device before election that improves pressureless fed three-product dense-medium cyclone disposal ability and sharpness of separation.
Background technology
Pressureless fed three-product dense-medium cyclone is a kind of sharpness of separation height, disposal ability is big, technological process is simple, the novel cleaning unit of operation automation has been the patented product (ZL03261950.2) of my company, since the appearance, promotion rate is fast, receives praises from customers.Use the producer of this technology to surpass 100 families, total productive capacity surpasses 100,000,000 tons/year, has become the coal separation dominant technology of 21 century.But occur the phenomenon of carrying under one's arms spoil in the head coal product in using often, main cause is wetting insufficient before the feed coal choosing, " group of beating " phenomenon occurs, roll into a ball and contain the high density material, but apparent density is lower, easily sneaks into cleaned coal.And existing wetness technique is for adding qualified dielectric suspensions in batch meter, the feed coal that this method is higher for moisture, fine particle content is less still effectively, but low concerning moisture, granularity is thinner, DeGrain the large-size rotational flow device pan feeding particularly, thereby cause sharpness of separation to descend, great quality accident such as head coal product is defective, contain the spoil amount up to more than 2% in the cleaned coal when serious.
Summary of the invention
The technical problems to be solved in the utility model is the deficiency at feed coal in the prior art " group of beating ", provide a kind of and in the continuous productive process of cleaning unit, install spray equipment additional, eliminate cleaned coal band spoil phenomenon, improve the Coal wetting device before election of sharpness of separation and disposal ability.
Solve the problems of the technologies described above by the following technical solutions: a kind of Coal wetting device before election, comprise that the raw coal of raw coal separation continuous productive process use is gone into overhead band conveyer, the raw coal drag conveyor is given coal hopper and three products heavy medium cyclone,
Raw coal is gone into overhead band conveyor head and is connected with raw coal drag conveyor charge tank, the raw coal drag conveyor be connected to coal hopper, be connected for coal hopper with three products heavy medium cyclone, its structural feature is, in the head of belt conveyor, raw coal drag conveyor, give to be separately installed with in the coal hopper and be the wetting spray equipment of feed coal.
The head of belt conveyor, in the raw coal drag conveyor the middle part, give coal hopper above be separately installed with and be the wetting spray equipment of feed coal.
Owing to adopted technique scheme, before entering three products heavy medium cyclone, carried out wetting fully feed coal.Compared with prior art, the feed coal after wetting is the group of beating not.Make in the cleaned coal+1.80kg/L density level content by 〉=2% reduce to＜0.1% in, eliminated cleaned coal band spoil phenomenon, improved sharpness of separation and disposal ability.This device position design science, reasonable, the production efficiency height.
Description of drawings
Fig. 1 is the utility model overall structure schematic diagram.
Among the figure, raw coal is gone into overhead band conveyer 2, raw coal drag conveyor 5, raw coal feed hopper 6, pressureless fed three-product dense-medium cyclone 7,8.
The specific embodiment
The utility model will be further described below in conjunction with the drawings and the specific embodiments.
The utility model is gone into overhead band conveyer 2 by raw coal, raw coal drag conveyor 5, and raw coal feed hopper 6, pressureless fed three-product dense-medium cyclone 7,8 connect to form feed coal sorting three road damping devices.Referring to accompanying drawing 1, raw coal is gone into overhead band conveyer 2 heads and is connected with raw coal drag conveyor 5 charge tank, and wherein raw coal drag conveyor 5 can replace with the roller batch mixer.Be positioned at raw coal belt conveyor 2 heads to a pair of spray equipment of reprinting with raw coal drag conveyor 53 of the corresponding installation of hopper, use recirculated water that two-sided comprehensive spray is carried out in materials flow, its water consumption, the visual former moisture content of coal of pressure and require suspension separating density situation to be regulated.Spray equipment 4 is installed above in raw coal drag conveyor 5, the spray point both installation place of spray equipment is selected in scraper plate along full section two places of full section and levels scraper plate turning point edge, use qualified medium suspension to spray, the visual concrete condition of consumption and pressure is regulated.Raw coal drag conveyor 5 is connected with raw coal feed hopper 6, and spray equipment 12 is installed near the position of raw coal drag conveyor 5 in tangential position in raw coal feed hopper 6.Raw coal feed hopper 6 is connected with cleaned coal heavy medium cyclone 7, and cleaned coal heavy medium cyclone 7 usefulness pipelines are connected with middle coal, spoil heavy medium cyclone 8.Cleaned coal heavy medium cyclone 7, middle coal, spoil heavy medium cyclone 8 are referred to as pressureless fed three-product dense-medium cyclone.Cleaned coal heavy medium cyclone 7 is provided with qualified medium inlet 11 and cleaned coal outlet 10.Middle coal, spoil heavy medium cyclone 8 are provided with spoil outlet 9 and middle coal export 13.Feed coal 1 after spray equipment 3,4,12 3 roads are wetting, the group of beating not, selected quality of cleaned coal height.
The spray equipment that the utility model uses is according to the selected model of design needs, specification.
Claims (2)
1, a kind of Coal wetting device before election, the raw coal that comprises the use of raw coal separation continuous productive process is gone into overhead band conveyer, the raw coal drag conveyor, give coal hopper and three products heavy medium cyclone, raw coal is gone into overhead band conveyor head and is connected with raw coal drag conveyor charge tank, the raw coal drag conveyor be connected to coal hopper, be connected for coal hopper with three products heavy medium cyclone, it is characterized in that, in the head of belt conveyor, raw coal drag conveyor, give to be separately installed with in the coal hopper and be the wetting spray equipment of feed coal.
2, Coal wetting device before election according to claim 1, it is characterized in that, the corresponding installation is provided with a pair of spray equipment in the head of belt conveyor is extremely reprinted with the hopper of raw coal drag conveyor, turning point at the upper strata of drag conveyor scraper plate and levels scraper plate is provided with spray equipment along the installation of full section two places, in the interior tangential position of giving coal hopper spray equipment is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520024938 CN2820323Y (en) | 2005-09-23 | 2005-09-23 | Pre-selection wetting device for raw coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520024938 CN2820323Y (en) | 2005-09-23 | 2005-09-23 | Pre-selection wetting device for raw coal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2820323Y true CN2820323Y (en) | 2006-09-27 |
Family
ID=37016872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520024938 Expired - Lifetime CN2820323Y (en) | 2005-09-23 | 2005-09-23 | Pre-selection wetting device for raw coal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2820323Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084263A (en) * | 2013-03-05 | 2013-05-08 | 煤炭科学研究总院唐山研究院 | Separation preparation device of high efficiency cyclone |
| CN109201316A (en) * | 2018-09-12 | 2019-01-15 | 乌拉特中旗毅腾矿业有限责任公司 | A kind of raw coal clean utilization production technology and raw coal clean utilization production equipment |
| CN113289779A (en) * | 2021-06-01 | 2021-08-24 | 中南大学 | Mining three-product heavy-medium cyclone |
-
2005
- 2005-09-23 CN CN 200520024938 patent/CN2820323Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084263A (en) * | 2013-03-05 | 2013-05-08 | 煤炭科学研究总院唐山研究院 | Separation preparation device of high efficiency cyclone |
| CN103084263B (en) * | 2013-03-05 | 2014-10-15 | 中煤科工集团唐山研究院有限公司 | Separation preparation device of high efficiency cyclone |
| CN109201316A (en) * | 2018-09-12 | 2019-01-15 | 乌拉特中旗毅腾矿业有限责任公司 | A kind of raw coal clean utilization production technology and raw coal clean utilization production equipment |
| CN109201316B (en) * | 2018-09-12 | 2020-11-24 | 乌拉特中旗毅腾矿业有限责任公司 | Clean utilization production process for raw coal |
| CN113289779A (en) * | 2021-06-01 | 2021-08-24 | 中南大学 | Mining three-product heavy-medium cyclone |
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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: Zhao Shuyan Contract fulfillment period: 2008.10.1 to 2013.10.1 Contract record no.: 2008990001112 Denomination of utility model: Device for dampening raw coal before selecting Granted publication date: 20060927 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 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20060927 |
|
| EXPY | Termination of patent right or utility model |