CN204074530U - A kind of blast pipe structure of powder concentrator - Google Patents
A kind of blast pipe structure of powder concentrator Download PDFInfo
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- CN204074530U CN204074530U CN201420560514.8U CN201420560514U CN204074530U CN 204074530 U CN204074530 U CN 204074530U CN 201420560514 U CN201420560514 U CN 201420560514U CN 204074530 U CN204074530 U CN 204074530U
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- powder concentrator
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- blast pipe
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Abstract
The utility model discloses a kind of blast pipe structure of powder concentrator, comprise cone of gathering materials, the horizontal tangent direction of the cone conical surface that gathers materials described in edge is provided with four symmetrical airducts, and described airduct is located at the cone base that gathers materials to 1/4-1/3 place, cone top.The utility model, by changing the tertiary air air inlet mode perpendicular to the grey cone generatrices of collection into tangential air intake, can effectively reduce sorting dead band, can easier solve for current domestic powder concentrator tertiary air existing problems simultaneously.
Description
Technical field
The utility model relates to a kind of building material industry particle classifying equipment blast pipe structure, particularly relates to a kind of blast pipe structure of powder concentrator, is building material industry particle classifying equipment to reduce the tertiary air blast pipe structure selecting powder dead band.
Background technology
Powder concentrator is one of capital equipment of cement close-circuit powder grinding, the closed-circuit grinding system be made up of the equipment such as grinding machine, powder concentrator, improves output lO-2O% than the open-circuit grinding system without powder concentrator.Therefore, powder concentrator is that one of main path producing consumption reduction is put forward in cement grinding operation.Along with the development of new dry cement production technology, the requirement of enterprise to powder concentrator is also more and more higher, the new and effective third generation powder concentrator that what current domestic application was more is is representative with 0-Sepa type powder concentrator, because adopting new hierarchy and principle, significantly improve grinding efficiency and the output of powder concentrator, cement quality and system energy consumption also improve.
The 0-Sepa grinding efficiency of present use is mostly lower than 70%, inner containing a large amount of fine powders along the grey cone of collection so-called " meal ", how these fine powders is separated the effective means improving grinding efficiency from meal.Now use 0-Sepa powder concentrator tertiary air orifice mostly perpendicular to cone generatrices, be generally three and be evenly distributed in same level, as shown in Figure 1.Due to tertiary-air pipe perpendicular to collection grey centrum bus, so tertiary air is also perpendicular to centrum bus, around tertiary-air pipe, there is the region that tertiary air cannot act on, produce dead band, cause along cone fall fine powder cannot sorting fully.
The tertiary air air-intake device of existing powder concentrator adopts tunneling boring draft type, but has installed O-Sepa powder concentrator for domestic, above-mentioned reforming mode too complex, is unfavorable for solving Problems Existing.
Utility model content
The utility model object is overcome the defect that traditional powder concentrator tertiary air exists serious sorting dead band.Main task of the present utility model is by changing the tertiary air air inlet mode perpendicular to the grey cone generatrices of collection into tangential air intake, effectively reducing sorting dead band, can easier can solve for current domestic powder concentrator tertiary air existing problems simultaneously.
The purpose of this utility model is realized by following technical proposals.
A blast pipe structure for powder concentrator, comprises cone of gathering materials, and the horizontal tangent direction of the cone conical surface that gathers materials described in edge is provided with four symmetrical airducts, and described airduct is located at the cone base that gathers materials to 1/4-1/3 place, cone top.
Further, the mutual vertical distribution of adjacent airduct, the airduct of being separated by is parallel to each other distribution.
Further, the diameter of airduct is respectively the steel pipe of 200-400mm.
Further, described airduct air intake pipe orifice is fixed with butterfly valve or louver valve by flange.
Compared with prior art, the beneficial effects of the utility model are: airduct is set to four tangential distribution and is gathering materials in cone, compared with being more evenly distributed of three airducts; And airduct is distributed in the 1/4-1/3 place of cone base to superior that gather materials, can make to select powder air-flow to be entered along horizontal volute by tangent air inlet, thus make to select powder steady air current even, tertiary air active area is larger, make the separating effect of fine powder better, and transformation is convenient, is conducive to the popularization of current O-Sepa powder concentrator.
Accompanying drawing explanation
Fig. 1 is the existing cone upward view of powder concentrator tertiary air.
Fig. 2 is that powder concentrator gathers materials the front view of cone.
Fig. 3 is powder concentrator tertiary air transformation posterior pyramids upward view.
In figure: 1-gathers materials cone, 2-butterfly valve or louver valve, 3-airduct.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described further.
As shown in Figure 2 and Figure 3, the blast pipe structure of powder concentrator of the present utility model, comprise cone 1 of gathering materials, the horizontal tangent direction of cone 1 conical surface that gathers materials described in edge is provided with four symmetrical airducts 3, and airduct 3 is located at the 1/4-1/3 place, cone 1 to lower cone top that gathers materials.
The utility model is different according to powder concentrator specification, and the diameter of airduct is respectively the steel pipe of 200-400mm, and one end is fixed on the grey centrum of collection, and the other end fixes butterfly valve by flange or louver valve 2 controls intake.
During making, three of existing powder concentrator tertiary-air pipe (Fig. 1-2) all slice off by scheme, three air ports of original all deciles are retained one, shuts for all the other two.According to existing tertiary-air pipe size, again make an airduct, and butterfly valve control air force is installed.Using reservation hole as benchmark, even four points along same level, according to the diameter perforate again of airduct.Four blast pipe air intake directions are consistent with the direction of primary and secondary air, and wherein adjacent airduct is mutually vertical, and the airduct of being separated by is parallel to each other.
The operation principle of the utility model powder concentrator is: due to finish fineness requirement, material is fed by charging aperture, and the material gathered materials in cone flows along cone inwall, radially throw away under the effect of spreading disk centrifugal force, after encountering cushioning fender dispersion, fall powder-separating area, material is separated again; Tangential 90 ° of tertiary-air pipe is located at the 1/4-1/3 place of the grey cone base of collection to superior, and same direction is evenly distributed in same level.Powder air-flow is selected to be entered by tangential air inlet and the horizontal volute of secondary air opening's edge, powder-separating area is entered through fixing guide vane, in powder-separating area, the horizontal rotation turbine of swirl vane and horizontal baffle composition makes inside and outside differential pressure remain unchanged in whole powder-separating area, thus makes to select powder steady air current even.The fine powder selected is taken away by the negative pressure wind that system produces, and discharges from discharge pipe with air-flow, and collected by the outer deduster of machine and become product, meal falls to being discharged by discharge gate along flue-dust retainer cone.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model; can not assert that detailed description of the invention of the present utility model is only limitted to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to the utility model by submitted to claims determination scope of patent protection.
Claims (4)
1. a blast pipe structure for powder concentrator, comprises cone of gathering materials, it is characterized in that: the horizontal tangent direction of the cone conical surface that gathers materials described in edge is provided with four symmetrical airducts, and described airduct is located at the cone base that gathers materials to 1/4-1/3 place, cone top.
2. the blast pipe structure of powder concentrator according to claim 1, is characterized in that: the mutual vertical distribution of adjacent airduct, and the airduct of being separated by is parallel to each other distribution.
3. the blast pipe structure of powder concentrator according to claim 1, is characterized in that: the diameter of airduct is respectively the steel pipe of 200-400mm.
4. the blast pipe structure of powder concentrator according to claim 3, is characterized in that: described airduct air intake pipe orifice is fixed with butterfly valve or louver valve by flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420560514.8U CN204074530U (en) | 2014-09-26 | 2014-09-26 | A kind of blast pipe structure of powder concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420560514.8U CN204074530U (en) | 2014-09-26 | 2014-09-26 | A kind of blast pipe structure of powder concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204074530U true CN204074530U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201420560514.8U Active CN204074530U (en) | 2014-09-26 | 2014-09-26 | A kind of blast pipe structure of powder concentrator |
Country Status (1)
| Country | Link |
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| CN (1) | CN204074530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076841A (en) * | 2016-07-27 | 2016-11-09 | 无锡市华通电力设备有限公司 | A kind of flyash grader secondary air and ash bucket structure |
-
2014
- 2014-09-26 CN CN201420560514.8U patent/CN204074530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076841A (en) * | 2016-07-27 | 2016-11-09 | 无锡市华通电力设备有限公司 | A kind of flyash grader secondary air and ash bucket structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 719319 Jinshi Industrial Park, Shenmu City, Yulin, Shaanxi Patentee after: Shaanxi Beiyuan chemical group Limited by Share Ltd Address before: 719319 Shenmu brocade Industrial Park in Yulin, Shaanxi Patentee before: Shaanxi Beiyuan Chemical Group Co., Ltd. |
|
| CP03 | Change of name, title or address |