CN1583294A - Double-stage assembled vortex powder selector - Google Patents
Double-stage assembled vortex powder selector Download PDFInfo
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- CN1583294A CN1583294A CN 03132398 CN03132398A CN1583294A CN 1583294 A CN1583294 A CN 1583294A CN 03132398 CN03132398 CN 03132398 CN 03132398 A CN03132398 A CN 03132398A CN 1583294 A CN1583294 A CN 1583294A
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- powder
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- cyclone collector
- cone
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Abstract
A dual-stage combined vortex-type powder separator used in the pulverizing step of cement production is composed of powder feeding pipe, drive unit, vertical shaft, guide blades, barrier plate, coarse powder collecting cone, cage-shaped rotor, casing, wind outlet pipe, cyclone collector, material gathering cone, propeller-type material throwing tray, material dropping cone, wind inlet and fine powder collecting cone.
Description
Technical field
The present invention relates to a kind of device, particularly use the twin-stage combined type eddy current powder concentrator in the cement production process from powder separation powder.
Background technology
At present, in cement production process, cross the grinding phenomenon in the mill, improve mill efficiency, must in time material in the mill be drawn off, select qualified fine powder product, underproof meal is returned in the mill reface simultaneously through powder selection device in order to reduce.Current, in chemical industry powder, cement production process, comparatively advanced powder selection device commonly used has O-sepa efficient vortex powder concentrator.The basic functional principle of this class powder concentrator is: under the effect of system's air-introduced machine, mill tail dusty gas and secondary wind are entered by first and second blast pipe, enter grading room formation through wind blade and select the powder air-flow, because acting on of rotation cage rotor forms eddy current in the powder-separating area.Powder to be fractionated feeds from powder inlet pipe, fall into cage rotor top powder under the rotation of cage rotor and disperseed laggard eddy current of going into powder-separating area, the eddy current air-flow of powder is carried in formation secretly, in the air-flow powder of different-grain diameter under the acting in conjunction of suction force, centrifugal force, gravity by sorting, fine powder is crossed cage rotor with air communication and is discharged from discharge pipe, enter the outer efficient dust collector of body, be collected and get off to be finished product.Meal lands from top to down or is thrown to inwall in separating chamber and drops to ash bucket again, is discharged by the discharging opening of ash bucket bottom, reenters grinding machine and forms closed-circuit grinding system.Accompany fine powder owing to also contain in the meal powder that falls, not through classification once more, these fine powders can not be separated from the meal powder in dropping process, thereby this class powder concentrator exists effectiveness of classification and the low shortcoming of grinding efficiency.
Summary of the invention
There are effectiveness of classification and the low deficiency of grinding efficiency in order to overcome existing O-sepa powder concentrator.The object of the present invention is to provide a kind of twin-stage combined type eddy current powder concentrator, this powder concentrator can improve effectiveness of classification and grinding efficiency effectively in the manufacture of cement grinding process.
The technical solution adopted for the present invention to solve the technical problems is: comprise powder inlet pipe, transmission device, vertical shaft, guide vane, striker plate, the meal collection cone, cage rotor, housing, also contain discharge pipe, cyclone collector, material take-off clone, propeller formula spreading disk, material-dropping clone, air inlet, the fines collection awl, the below of guide vane is provided with material take-off clone, propeller formula spreading disk is arranged on the lower end of vertical shaft and below material take-off clone, the below of propeller formula spreading disk is provided with material-dropping clone, lower part of frame is provided with air inlet, the below of housing is provided with the meal collection cone, the outside of meal collection cone is provided with the fines collection awl, the top of fines collection awl is provided with cyclone collector, the top of cyclone collector and the top of housing link, and discharge pipe is arranged on the top of cyclone collector and links with the top of cyclone collector.
The invention has the beneficial effects as follows, owing to below cage rotor and guide vane, be provided with material take-off clone and propeller formula spreading disk, drop on the propeller formula spreading disk through material take-off clone when containing the meal that accompanies fine powder, propeller formula spreading disk rotates with vertical shaft, powder under the effect of centrifugal inertial force to around spread out, simultaneously powder is upwards kicked up by the effect of the circulated air air-flow that enters from air inlet, thinner powder in the powder is the suspended dispersed shape, enter grading room formation through wind blade and select the powder air-flow, under the effect of cage rotor, in powder-separating area, form eddy current.By sorting, cross cage rotor with air communication and enter cyclone collector and be collected by qualified fine powder under the acting in conjunction of suction force, centrifugal force, gravity for the powder of different-grain diameter in the air-flow.In this process, contain the meal that accompanies fine powder through once more sorting, fully remove the fine powder that is mixed in the meal.Therefore improve the effectiveness of classification and the grinding efficiency of powder concentrator.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present invention.
1. powder inlet pipes among the figure, 2. discharge pipe, 3. transmission device, 4. cyclone collector, 5. guide vane, 6. striker plate, 7. cage rotor, 8. material take-off clone, 9. spiral shell slurry formula spreading disk, 10. material-dropping clone, 11. air inlet, 12. meal collection cones, 13. fines collection awl, 14. housings, 15. vertical shafts.
The specific embodiment
Among Fig. 1, powder inlet pipe 1 is arranged on the top of housing 14, and transmission device 3 is installed in the over top of housing 14, and vertical shaft 15 links with transmission device 3 and inserts in the housing 14.The lower end of vertical shaft 15 is provided with spiral shell slurry formula spreading disk 9, the top of spiral shell slurry formula spreading disk 9 is provided with cage rotor 7, the lateral surface of cage rotor 7 is provided with between the medial surface of the lateral surface of guide vane 5, cage rotor 7 and guide vane 5 gapped, and the below of guide vane 5 is provided with material take-off clone 8.Top is provided with striker plate 6 between the medial surface of the lateral surface of cage rotor 7 and guide vane 5.The below of spiral shell slurry formula spreading disk 9 is provided with material-dropping clone 10.The bottom of housing 14 is provided with air inlet 11, and the below of housing 14 is provided with meal collection cone 12, and the outside of meal collection cone 12 is provided with fines collection awl 13.The top of fines collection awl 13 is provided with cyclone collector 4, and the top of the top of cyclone collector 4 and housing 14 links, and the top of cyclone collector 4 is provided with discharge pipe 2, and discharge pipe 2 links with the top of cyclone collector 4.
During work, the circulated air that enters from blast pipe 11 enters grading room through guide vane 5 and forms and select the powder air-flow, because acting on of the cage rotor 7 of rotation forms eddy current in the powder-separating area, selected powder enters the inside of powder concentrator by housing 14 top powder inlet pipes 1, falling into cage rotor 7 tops powder under the rotation of cage rotor 7 is disperseed, to around dish out, the powder of being dished out is stopped in the eddy current that makes powder enter powder-separating area by striker plate 6, the eddy current air-flow of material is carried in formation secretly, the powder of different-grain diameter is in suction force in the air-flow, centrifugal force, the acting in conjunction of gravity is passed through cage rotor 7 down by sorting, is entered cyclone collector 4 by the qualified fine powder of sorting with air-flow and is collected.Be entrained with the meal of fine powder, fall after landing from top to down or quilt are thrown to guide vane 5 and its collision in separating chamber, drop on the spiral shell slurry formula spreading disk 9 through material take-off clone 8, propeller formula spreading disk 9 rotates with vertical shaft 15, powder under the effect of centrifugal inertial force to around spread out, simultaneously powder is upwards kicked up by the effect of the circulated air air-flow that enters from air inlet 11, thinner powder in the powder is the suspended dispersed shape, enter grading room formation through guide vane 5 and select the powder air-flow, under the effect of cage rotor 7, in powder-separating area, form eddy current, the powder of different-grain diameter is in suction force in the air-flow, centrifugal force, by sorting, qualified fine powder enters cyclone collector 4 with air-flow and is collected under the acting in conjunction of gravity.These contain the meal that accompanies fine powder through once more sorting, fully remove the fine powder that is mixed in the meal, improve the effectiveness of classification and the grinding efficiency of powder concentrator effectively.The meal powder falls naturally greater than other external force because of self gravitation or is thrown to the limit wall and drops in the meal collection cone 12 again.
Claims (1)
1. twin-stage combined type eddy current powder concentrator, comprise powder inlet pipe, transmission device, vertical shaft, guide vane, striker plate, the meal collection cone, cage rotor, housing, it is characterized in that: also contain discharge pipe, cyclone collector, material take-off clone, propeller formula spreading disk, material-dropping clone, air inlet, the fines collection awl, the below of described guide vane is provided with described material take-off clone, described propeller formula spreading disk is arranged on the lower end of described vertical shaft and below described material take-off clone, the below of described propeller formula spreading disk is provided with described material-dropping clone, described lower part of frame is provided with described air inlet, the below of described housing is provided with described meal collection cone, the outside of described meal collection cone is provided with described fines collection awl, the top of described fines collection awl is provided with described cyclone collector, the top of described cyclone collector and the top of described housing link, and described discharge pipe is arranged on the top of described cyclone collector and links with the top of described cyclone collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03132398 CN1583294A (en) | 2003-08-21 | 2003-08-21 | Double-stage assembled vortex powder selector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03132398 CN1583294A (en) | 2003-08-21 | 2003-08-21 | Double-stage assembled vortex powder selector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1583294A true CN1583294A (en) | 2005-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03132398 Pending CN1583294A (en) | 2003-08-21 | 2003-08-21 | Double-stage assembled vortex powder selector |
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| CN (1) | CN1583294A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102123798A (en) * | 2008-08-12 | 2011-07-13 | 勒舍有限公司 | Process for sifting a mixture of a milled material and a fluid, and mill sifter |
| CN103301957A (en) * | 2013-05-17 | 2013-09-18 | 金刚新材料股份有限公司 | Adhesive particle separation equipment |
| CN104874547A (en) * | 2015-05-04 | 2015-09-02 | 杭龙 | Cement powder concentrator |
| CN106111530A (en) * | 2016-08-21 | 2016-11-16 | 江苏荣达利机械有限公司 | Powder concentrator pre-classification coil structures |
| CN108311384A (en) * | 2018-02-08 | 2018-07-24 | 遵义市聚源建材有限公司 | One kind being convenient for fines collection powder concentrator |
| CN109647591A (en) * | 2019-01-31 | 2019-04-19 | 鑫明星环保科技有限公司 | A kind of novel powder selector |
| CN110523274A (en) * | 2019-09-19 | 2019-12-03 | 泉州市五加一电子商务有限公司 | A kind of cement kiln denitration desulfurization catalyst system of novel double plate paddle hourglass reversion |
-
2003
- 2003-08-21 CN CN 03132398 patent/CN1583294A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102123798A (en) * | 2008-08-12 | 2011-07-13 | 勒舍有限公司 | Process for sifting a mixture of a milled material and a fluid, and mill sifter |
| CN103301957A (en) * | 2013-05-17 | 2013-09-18 | 金刚新材料股份有限公司 | Adhesive particle separation equipment |
| CN103301957B (en) * | 2013-05-17 | 2014-12-10 | 金刚新材料股份有限公司 | Adhesive particle separation equipment |
| CN104874547A (en) * | 2015-05-04 | 2015-09-02 | 杭龙 | Cement powder concentrator |
| CN106111530A (en) * | 2016-08-21 | 2016-11-16 | 江苏荣达利机械有限公司 | Powder concentrator pre-classification coil structures |
| CN108311384A (en) * | 2018-02-08 | 2018-07-24 | 遵义市聚源建材有限公司 | One kind being convenient for fines collection powder concentrator |
| CN109647591A (en) * | 2019-01-31 | 2019-04-19 | 鑫明星环保科技有限公司 | A kind of novel powder selector |
| CN109647591B (en) * | 2019-01-31 | 2022-02-18 | 鑫明星环保科技有限公司 | Novel powder concentrator |
| CN110523274A (en) * | 2019-09-19 | 2019-12-03 | 泉州市五加一电子商务有限公司 | A kind of cement kiln denitration desulfurization catalyst system of novel double plate paddle hourglass reversion |
| CN110523274B (en) * | 2019-09-19 | 2021-10-01 | 南宁红狮水泥有限公司 | Novel cement kiln denitration and desulfurization system with double-disc paddle and hourglass capable of reversely rotating |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |