CN2728630Y - Pregangue discharging multiproduct heavy medium cyclone - Google Patents
Pregangue discharging multiproduct heavy medium cyclone Download PDFInfo
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- CN2728630Y CN2728630Y CN 200420091826 CN200420091826U CN2728630Y CN 2728630 Y CN2728630 Y CN 2728630Y CN 200420091826 CN200420091826 CN 200420091826 CN 200420091826 U CN200420091826 U CN 200420091826U CN 2728630 Y CN2728630 Y CN 2728630Y
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Abstract
The utility model discloses a pregangue discharging multiproduct heavy medium cyclone which belongs to the technical field of the separation equipment for the solid, providing a pregangue discharging multiproduct heavy medium cyclone which can reduce equipment attrition and energy consumption and improve the separation efficiency and the processing ability. The technology proposal is that two to ten unpressurized coal-feeding type cyclones are in the coaxial series connection, the material outlet of the cyclone on the upper stage is in abutting joint with the material inlet of the cyclone on the lower stage, each qualified medium tank is respectively connected with the unpressurized coal-feeding type cyclone on each stage through a medium pump, and an automatic control valve for controlling the quantity of the water is arranged between the medium pump and the qualified medium tank. The heavy medium cyclone with the structure can respectively transfer the medium with different density into the cyclones on different stages through the medium pump, and different products are sorted from the cyclones on different stages. The attrition of the gangue to the separation equipment can be greatly reduced by the method of separating the gangue firstly, and meanwhile, the energy consumption is reduced, and the separation efficiency and the processing ability can be improved. The utility model is especially suitable for the condition that the content of the gangue in the raw coal is greater than the content of the clean coal.
Description
Technical field
The utility model relates to a kind of coal separation heavy medium cyclone, belongs to the screening installation technical field.
Background technology
At present, in main producing coal country, heavy media coal separation has risen to leading position.Heavy media coal separation ratio as the U.S. has accounted for 66%, and France accounts for 60%, and the jigging in Australia and South Africa is superseded substantially.Simultaneously, owing to the major diameter heavy medium cyclone, the appearance of pressing feed and pressureless fed three-product dense-medium cyclone and coal slime heavy medium cyclone is arranged, the heavy medium cyclone coal separation has become one preferred technique.
Chinese patent application 02158903.8 discloses " a kind of heavy medium cyclone device; coal separation system and coal preparation method ", this is the simplified heavy medium matter coal preparation technique that a kind of large-scale pressureless fed three-product dense-medium cyclone is a main separation equipment, its design main points are to adopt dual suspension feed-type, inject suspension to cyclone respectively by main pump and auxilliary pump, saved the variable frequency adjustment device that high-power main pump need be joined, reduced cost, therefore reduced single-pump flow simultaneously, it is little to have an investment, cost is low, regulate easily, power saving, the reliability height, the advantage that under prior art, realizes easily.But this device is the same with three products heavy medium cyclone that other uses at present aborning, all is to adopt the light product of removing earlier in the raw coal to remove heavy product in the raw coal again, and the product that goes out at last is the method for separating of spoil.In this method, gangue is discharged cyclone at last, the time that stops in heavy medium cyclone is the longest, and cleaned coal that its proportion sub-elects more earlier and middle coal are all big, therefore gangue is bigger for the wearing and tearing of equipment, and energy consumption is higher, and this situation is seeming particularly outstanding when the content of gangue in the raw coal during greater than cleaned coal.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of first discharge refuse fecund product heavy medium cyclone that can reduce equipment attrition, cut down the consumption of energy, improve the efficiency of separation and disposal ability.
The technical scheme that addresses the above problem is:
A kind of first discharge refuse fecund product heavy medium cyclone, it forms for coal type cyclone, qualified medium bucket, medium tube, medium pump by having to press, its improvements are, it is 2-10 that described nothing is pressed to the coal type cyclone, their coaxial being connected in series, the feeding mouth on the discharging opening of the preceding paragraph cyclone and next section cyclone connects; Described medium pump has a plurality of, respectively the qualified medium bucket is not had to press by medium tube connector and each and is connected for the coal type cyclone, between medium pump and qualified medium bucket water yield autocontrol valve is housed.
Above-mentioned discharge refuse fecund product heavy medium cyclone, it is two that described nothing is pressed to the coal type cyclone, be respectively one section cyclone and two sections cyclones, raw coal inlet, discharge refuse stone mouth, discharging opening, high-density medium inlet are arranged on one section cyclone, coal mouth among feeding mouth, the row, cleaned coal outlet, low-density medium inlet are arranged on two sections cyclones.
Above-mentioned first discharge refuse fecund product heavy medium cyclone, it need can be identical or different that the diameter of described each section cyclone is looked different process, the diameter of its posterior segment cyclone can be greater than or less than the diameter of leading portion cyclone.
Adopt that the utility model provides heavy medium cyclone, can the medium of different densities be injected different cyclones respectively by medium pump, therefrom sub-elect different products, the method that employing is selected spoil earlier can reduce the wearing and tearing of spoil to screening installation greatly, cut down the consumption of energy, improve the efficiency of separation and disposal ability simultaneously, the situation of the content that is particularly suitable for gangue in the raw coal during greater than cleaned coal.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model;
Fig. 2 is the embodiment schematic diagram that the first discharge refuse pressureless fed three-product dense-medium cyclone of two same diameter connects;
Fig. 3 is the embodiment schematic diagram that the first discharge refuse pressureless fed three-product dense-medium cyclone of two different-diameters connects;
Mark is as follows among the above-mentioned figure:
1. 2. 2 sections cyclones of one section cyclone, 3. qualified medium buckets, 4. medium tube connectors, 5. medium pump, 6. water yield autocontrol valves, 7. raw coal, 8. discharge refuse stone mouths, 9. discharging openings, 10. high-density mediums that enter the mouth enter the mouth that coal mouth 13. cleaned coal export 14. low-density mediums inlet among 11. feeding mouths 12. row
The specific embodiment
The utility model is a kind of first discharge refuse fecund product heavy medium cyclone, and it is pressed to the coal type heavy medium cyclone is coaxial by two or more nothings and is composed in series.Light product after choosing the last period directly enters the choosing again of next section, so can sub-elect three or more product as required.Medium in the qualified medium bucket is highdensity medium, and can directly feed one section with medium pump does not have pressure to the coal type heavy medium cyclone.By adding water between medium pump and the qualified medium bucket, realize that by a cover medium system a plurality of density medium feed screening installation respectively, between medium pump 5 and qualified medium bucket, water yield autocontrol valve 6 is housed, control autocontrol valve by known automatic control system, to realize the adding difference of the water yield, feed screening installation respectively thereby reach a plurality of density medium.So just can realize the medium of two or more density by a cover medium recovery system.Owing to the product density that the Media density difference that feeds different section heavy medium cyclones then obtains is also just different, promptly obtain different multiple products.Its sorting preface is to carry out sorting by the high product of density successively to low density product.
Fig. 1,2,3 illustrated embodiments are first discharge refuse three products heavy medium cyclone.Directly feed one section cyclone 1 from the high-density medium of qualified medium bucket 3 outputs by medium pump 5 from high-density medium inlet 10.In the place ahead of another medium pump 5, replenish an amount of water by water yield autocontrol valve 6, with the dilution high-density medium, the low-density medium that will be fit to sorting by this medium pump feeds two sections cyclones 2 from low-density medium inlet 14 then.Behind system stability, evenly feeding the raw coal of wanting sorting continuously from raw coal inlet 7 just can be from discharge refuse stone mouth 8, arrange coal mouth 12 and cleaned coal export 13 and obtain spoil, middle coal and cleaned coal successively.
As mentioned above formerly in the discharge refuse fecund product heavy medium cyclone just to raw coal realized from spoil → the sorting of coal → cleaned coal.
Compared with the prior art the utility model has the following advantages:
The medium system that adopts for the sorting of raw coal of dense media was to obtain the product number to deduct 1 or 2 in the past, no matter and the utility model to obtain the medium system how many products adopt all be a cover, this has just simplified technological process.Sorting for raw coal was that the product high from low density product to density carries out sorting in proper order in the past, and the utility model is to carry out sorting by the high product of density successively to low density product.Therefore adopt cleaning unit of the present utility model not only can simplify technological process, and can reduce equipment attrition, cut down the consumption of energy, improve the efficiency of separation and the disposal ability of equipment.
Claims (4)
1. first discharge refuse fecund product heavy medium cyclone, it forms for coal type cyclone, qualified medium bucket [3], medium tube [4], medium pump [5] by having to press, it is characterized in that: it is 2-10 that described nothing is pressed to the coal type cyclone, their coaxial being connected in series, the feeding mouth on the discharging opening of the preceding paragraph cyclone and next section cyclone connects; Described medium pump [5] is 2-10, respectively qualified medium bucket [3] is not had to press by medium tube [4] and each and is connected for the coal type cyclone, between medium pump [5] and qualified medium bucket [3] water yield autocontrol valve [6] is housed.
2. first discharge refuse fecund product heavy medium cyclone according to claim 1, it is characterized in that: it is two that described nothing is pressed to the coal type cyclone, be respectively one section cyclone [1] and two sections cyclones [2], raw coal inlet [7], discharge refuse stone mouth [8], discharging opening [9], high-density medium inlet [10] are arranged on one section cyclone [1], coal mouth [12], cleaned coal outlet [13], low-density medium inlet [14] among feeding mouth [11], the row are arranged on two sections cyclones.
3. first discharge refuse fecund product heavy medium cyclone according to claim 1 and 2, it is characterized in that: the diameter of described each section cyclone is identical.
4. first discharge refuse fecund product heavy medium cyclone according to claim 1 and 2, it is characterized in that: the diameter of described back segment cyclone is greater than or less than the diameter of leading portion cyclone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420091826 CN2728630Y (en) | 2004-09-22 | 2004-09-22 | Pregangue discharging multiproduct heavy medium cyclone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420091826 CN2728630Y (en) | 2004-09-22 | 2004-09-22 | Pregangue discharging multiproduct heavy medium cyclone |
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| Publication Number | Publication Date |
|---|---|
| CN2728630Y true CN2728630Y (en) | 2005-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200420091826 Expired - Fee Related CN2728630Y (en) | 2004-09-22 | 2004-09-22 | Pregangue discharging multiproduct heavy medium cyclone |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100417451C (en) * | 2005-10-24 | 2008-09-10 | 云南磷化集团有限公司 | Opened three-section swirler process of producing powdered concentrated phosphate rock |
| CN108722692A (en) * | 2018-07-17 | 2018-11-02 | 威海市海王旋流器有限公司 | The three products heavy medium cyclone of two sections of separating densities is adjusted using secondary media pipe |
| CN113289779A (en) * | 2021-06-01 | 2021-08-24 | 中南大学 | Mining three-product heavy-medium cyclone |
-
2004
- 2004-09-22 CN CN 200420091826 patent/CN2728630Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100417451C (en) * | 2005-10-24 | 2008-09-10 | 云南磷化集团有限公司 | Opened three-section swirler process of producing powdered concentrated phosphate rock |
| CN108722692A (en) * | 2018-07-17 | 2018-11-02 | 威海市海王旋流器有限公司 | The three products heavy medium cyclone of two sections of separating densities is adjusted using secondary media pipe |
| 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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050928 Termination date: 20091022 |