CN2520951Y - Fanning coal cleaning machine - Google Patents
Fanning coal cleaning machine Download PDFInfo
- Publication number
- CN2520951Y CN2520951Y CN 02202508 CN02202508U CN2520951Y CN 2520951 Y CN2520951 Y CN 2520951Y CN 02202508 CN02202508 CN 02202508 CN 02202508 U CN02202508 U CN 02202508U CN 2520951 Y CN2520951 Y CN 2520951Y
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- CN
- China
- Prior art keywords
- selection
- winnowing
- coal
- air
- cleaning machine
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- Expired - Fee Related
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Abstract
The utility model provides a fan coal cleaner, which uses screen and airflow selection to separate initial coal into different granularities and remove stone and ferro-sulphur ore. The utility model comprises a reciprocal screen at the upper portion of frame and a transmitter at the lower portion of the frame, two side walls connected with the outlet of the reciprocal screen in plane while the top is protruded as arc and lower portion is provided with an air selecting room with an outlet hopper, wherein the inlet of the air selecting room is connected with an air feeding tube below, connected with a fan tangent connected with the protruded arc, while another side of the air selecting room relative to the inlet of the air feeding tube is provided with a dust inlet connected to the air inlet of the fan via a reflux tube, the reflux tube is provided with a cyclone separator with a deposit pool. Compared with prior water washing selection and vibrator selection, the utility model can avoid consuming water and generating environment pollution, with simple structure, high production efficiency and better selection effect.
Description
Technical field
The utility model relates to solid separating device, is that a kind of screening and pneumatic separation of utilizing is divided into different grain size with raw coal and removes spoil and the selection by winnowing coal purifying machine of troilite.
Background technology
The raw coal size size of being come out by coal mining mixes, and contains certain spoil and troilite.The content of the granularity of high-quality fire coal and spoil and troilite should belong to clean coal in certain scope, have high calorific value and low sulfur dioxide and coal ash discharge capacity when burning.At present, the method that obtains clean coal mainly is to adopt the washing sorting, but its washing sorting need consume huge water resource, and it contains the complex treatment process of coal dust discharge of wastewater, not only directly causes the loss of a large amount of coal resources, also very easily environment is polluted.In order to solve washing consumption of water resource and problem of environment pollution caused, adopt the vibration sorting unit of vibrator more and more to be used, just because of its device structure complexity, production efficiency is low, sorting quality is poor, still can not satisfy the requirement that the user uses clean coal.
The utility model content
The purpose of this utility model is at the problems referred to above, and provide a kind of device structure simple, use small investment, production efficiency height, good separation effect and need not expend the selection by winnowing coal cleaning machine of great lot of water resources.
For achieving the above object, the technical solution of the utility model is: a kind of coal cleaning machine, it includes the conveyer that the warp that is arranged on upper rack sieved and be arranged on frame lower again, be connected with the reciprocating screen discharging opening and be provided with both sides and be plane, top and present convex globoidal, bottom and establish a selection by winnowing chamber of discharging hopper, below the discharging opening of selection by winnowing chamber, tangentially be connected with the ajutage of configuration blower fan, the corresponding air inlet that above the opposite side of selection by winnowing chamber, is provided with suction port and is connected to blower fan through backwind tube with the ajutage interface along convex globoidal.
The technical solution of the utility model also comprises: described reciprocating screen is the reciprocating screen of multilayer sieve nest, and being connected with each floor sieve nest discharging opening is respectively arranged with the selection by winnowing chamber, is connected to the air inlet of blower fan after its each selection by winnowing chamber backwind tube converges mutually; In the backwind tube that constitutes the circulated air loop, be provided with the cyclone separator that assembles the machine of facining the wind at the air inlet end, below its separator, be provided with the sedimentation basin of assembling float control water compensating valve and spoil disposal sluice gate switch.
The utility model utilizes reciprocating screen that raw coal is carried out size sorting, make the raw coal of same specification granularity enter the selection by winnowing chamber through the reciprocating screen discharging opening, and utilize the air-flow tangentially enter the selection by winnowing chamber that spoil, troilite and the coal of different specific weight are fallen to successively along parabolic curve in the different discharge buckets of bottom, selection by winnowing chamber and discharge respectively, realize sorting to raw coal.Its coal dust circulates in backwind tube under the wind-force effect of blower fan, or sends into by the machine that facings the wind and to carry out coal dust in the cyclone separator and separate with gas, and through sedimentation basin coal dust is become coal slime and reclaim.
The utility model is compared with existing coal-fired screening installation, has following advantage:
1, owing to adopt dry separation, need not to consume great amount of water resources, saved the configuration expense of discharge of wastewater treatment facility, the environmental pollution of having avoided discharge of wastewater to cause;
2, because each functional part layered arrangement of complete machine is installed on the consubstantiality frame, and its structure is provided with compactness, occupation area of equipment is little, and is flexible and convenient to use.
3, the coal dust circulation and the dust falling system of whole screening installation configuration relative closure can effectively reduce equipment work and float dirt, reduce the working site environmental pollution;
4, adopt screening and selection by winnowing cooperating mode, its device structure is simple, small investment, and sorting quality is good, the production efficiency height.
Description of drawings
Accompanying drawing is this selection by winnowing coal cleaning machine overall structure schematic diagram.
The specific embodiment
Provide as accompanying drawing, this selection by winnowing coal cleaning machine has the shaped as frame frame 1 that adopts shaped steel to be assembled into, on the top of frame 1 reciprocating screen 2 is installed, the embodiment that accompanying drawing provides is double-deck sieve nest reciprocating screen, its reciprocating screen is equipped with closed housing, and the upper end of shell is provided with suction port and struggles against with the charging top of belt conveyor configuration.Double-deck sieve nest reciprocating screen among the figure has three discharging openings, the coarse coal that is detained on the sieve nest of upper strata falls into conveyer 4 to the coarse coal stacking along the coal drop that is connected to the sieve nest discharge port end altogether, it is trapped in the medium sized coal on lower floor's sieve nest and enters selection by winnowing chamber 3 through the discharging opening of correspondence respectively by the small coal under the lower screen body drop, 3 both sides, selection by winnowing chamber are the plane, the streamline curved surface that convex globoidal connects down cancave cambered surface is presented at the top, the bottom is provided with three discharge buckets that are a row, and the below of its each discharge bucket disposes the conveyer of feeding to stacking respectively.Below the relative feeding mouth in selection by winnowing chamber, tangentially be connected with the ajutage 5 of configuration blower fan 6 along convex globoidal, be provided with suction port with ajutage interface relative direction above the opposite side of selection by winnowing chamber, the backwind tube 7 that this dust suction bore connects is connected with the air inlet of blower fan 6 and constitutes the air-flow closed circuit.Provide as accompanying drawing, this selection by winnowing coal cleaning machine is provided with coal dust sedimentation retracting device in the system airflow closed circuit, and it is made up of with the sedimentation basin 10 that is arranged on the separator below the cyclone separator 9 that is arranged in the return air pipeline.The air inlet of cyclone separator is connected with the backwind tube of front portion by the machine 8 that facings the wind during assembling, and the air outlet of separator is connected the air inlet of blower fan 6 by the backwind tube at rear portion.Cyclone separator in the present embodiment is arranged to two-stage, so that obtain better gas dirt separating effect, be arranged in the sedimentation basin 10 with separator sedimentation nose end and dispose float, connect the lever that control water compensating valve switch and sedimentation basin lower end spoil disposal sluice gate open and close on the float.
When fall into the precipitation pool inner water along sedimentation pipe through the isolated coal dust of double cyclone after, the coal slime that mixes with water is deposited at the bottom of the pond, increase along with the precipitation coal slime, water level in the sedimentation basin rises thereupon, when water level promoting arrives certain position, the float come-up, and by the unlatching of lever drives sluice gate, give off the coal slime of precipitation, the coal slime that gives off falls into conveyer through funnel and transports.In the coal slime discharging, water level descends in the sedimentation basin, and float descends thereupon, and the float of whereabouts is by lever drives moisturizing valve open, and automatic water supplement is to designated water level in sedimentation basin, and sedimentation basin returns to the static state deposition duty.
The blower fan 6 that disposes in this selection by winnowing coal cleaning machine is provided with the air intake compensating port, and when the wind regime in the circulation line was not enough, the air intake compensating port was opened additional wind regime automatically.
This selection by winnowing coal cleaning machine is provided with road wheel below frame, so that the equipment bulk migration.
In addition, the ajutage of each selection by winnowing chamber of this selection by winnowing coal cleaning machine disposes the wind-force control valve, is used for the concrete condition according to sorting material, adjusts the size of sorting wind-force.
Claims (3)
1, a kind of selection by winnowing coal cleaning machine, comprise reciprocating screen (2) that is arranged on frame (1) top and the conveyer (4) that is arranged on frame lower, it is characterized in that: being connected with reciprocating screen (2) discharging opening is provided with the two side and is plane, top and presents convex globoidal, bottom and establish a selection by winnowing chamber (3) of discharging hopper, the below of its selection by winnowing chamber feeding mouth tangentially is connected with the ajutage (5) that disposes blower fan (6), the corresponding air inlet that is provided with suction port and is connected to blower fan (6) through backwind tube (7) above the opposite side of selection by winnowing chamber with the ajutage access port along convex globoidal.
2, selection by winnowing coal cleaning machine according to claim 1, it is characterized in that: described reciprocating screen (2) is the reciprocating screen of multilayer sieve nest, being connected with each floor sieve nest discharging opening is respectively arranged with selection by winnowing chamber (3), is connected to the air inlet of blower fan (6) after the backwind tube of its each selection by winnowing chamber (7) converges mutually.
3, selection by winnowing coal cleaning machine according to claim 1 and 2, it is characterized in that: in the backwind tube (7) that constitutes the circulated air loop, be provided with the cyclone separator (9) that assembles the machine (8) that facings the wind at the air inlet end, below its separator, be provided with the sedimentation basin (10) of assembling float control water compensating valve and spoil disposal sluice gate switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02202508 CN2520951Y (en) | 2002-01-25 | 2002-01-25 | Fanning coal cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02202508 CN2520951Y (en) | 2002-01-25 | 2002-01-25 | Fanning coal cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2520951Y true CN2520951Y (en) | 2002-11-20 |
Family
ID=33685029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02202508 Expired - Fee Related CN2520951Y (en) | 2002-01-25 | 2002-01-25 | Fanning coal cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2520951Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314494C (en) * | 2005-07-26 | 2007-05-09 | 梅小军 | Wind force sorting method for classifying refined sulfur sand |
| CN100446865C (en) * | 2005-01-19 | 2008-12-31 | 赵凤臣 | Environment friendly dedusting griddle employed wind and water |
| CN102671863A (en) * | 2012-05-17 | 2012-09-19 | 邹新民 | Mineral dressing machine and mineral dressing method |
| CN102921635A (en) * | 2012-10-26 | 2013-02-13 | 安徽理工大学 | Screw air elutriation fine-coal remover for dry classification before fine coal preparation |
| CN116060321A (en) * | 2023-03-14 | 2023-05-05 | 天津美腾科技股份有限公司 | Coal gangue sorting and adjusting method and device and nonvolatile storage medium |
-
2002
- 2002-01-25 CN CN 02202508 patent/CN2520951Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100446865C (en) * | 2005-01-19 | 2008-12-31 | 赵凤臣 | Environment friendly dedusting griddle employed wind and water |
| CN1314494C (en) * | 2005-07-26 | 2007-05-09 | 梅小军 | Wind force sorting method for classifying refined sulfur sand |
| CN102671863A (en) * | 2012-05-17 | 2012-09-19 | 邹新民 | Mineral dressing machine and mineral dressing method |
| CN102921635A (en) * | 2012-10-26 | 2013-02-13 | 安徽理工大学 | Screw air elutriation fine-coal remover for dry classification before fine coal preparation |
| CN116060321A (en) * | 2023-03-14 | 2023-05-05 | 天津美腾科技股份有限公司 | Coal gangue sorting and adjusting method and device and nonvolatile storage medium |
| CN116060321B (en) * | 2023-03-14 | 2023-07-07 | 天津美腾科技股份有限公司 | Coal gangue sorting and adjusting method and device and nonvolatile storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |