CN104353613A - Laminar flow device for powder selecting machine - Google Patents
Laminar flow device for powder selecting machine Download PDFInfo
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- CN104353613A CN104353613A CN201410611879.3A CN201410611879A CN104353613A CN 104353613 A CN104353613 A CN 104353613A CN 201410611879 A CN201410611879 A CN 201410611879A CN 104353613 A CN104353613 A CN 104353613A
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- blade group
- millimeters
- powder concentrator
- laminar flow
- rotor blade
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Abstract
The invention discloses a laminar flow device for a powder selecting machine. The laminar flow device comprises a power selecting machine volute, a cylindrical annular air guide blade group and a cylindrical annular rotor blade group, wherein the cylindrical annular air guide blade group is fixedly embedded in the power selecting machine volute, the cylindrical annular rotor blade group is arranged inside the air guide blade group, adjacent blades of the air guide blade group are made into parallel equal-distant structures, and adjacent blades of the rotor blade group are made into parallel equal-distant structures. Through the arrangement of the air guide blade group and the rotor blade group adopting the improved shape, airflow or materials cannot form eddy current when passing through the powder selecting machine, and the problem of instability of powder selecting environment is solved.
Description
Technical field
The invention belongs to powder concentrator technical field, particularly a kind of powder concentrator laminar flow apparatus.
Background technology
Fine powder all will be carried out classification and choose by the industries such as cement, chemical industry, building materials, power plant and refractory material.Choose and wish that the fine powder wanted needs to use powder concentrator.In prior art, powder concentrator internal structure generally adopts vertical dragon shape rotor structure, by wind blade group, rotor and blade composition, shown in Figure 1 is the structural representation of the powder concentrator of vertical dragon shape rotor structure in prior art, it comprises powder concentrator spiral case 1, be arranged on the rotor blade group 3 embedded in the wind blade group 2 of powder concentrator spiral case inside and wind blade group, existing wind blade, rotor blade all becomes fan-shaped distribution, the adjacent blade of fan-shaped distribution two just forms the horn mouth of entrance and exit Unequal distance, horn mouth causes air-flow or material by unstable during horn mouth, form turbulent flow or eddy current, powder concentrator is made to select powder environmental disruption, do not have the effect selecting powder classification.
Therefore, for the above-mentioned defect existed in currently available technology, be necessary to study in fact, to provide a kind of scheme, solve the defect existed in prior art, avoid causing powder concentrator inside to form eddy current, make powder concentrator select powder environmental disruption, do not have the effect selecting powder classification.
Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of powder concentrator laminar flow apparatus, by arranging the wind blade group and rotor blade group of improving shape, making air-flow or material can not form eddy current through powder concentrator, solving the problem selecting powder environment instability.
For achieving the above object, technical scheme of the present invention is:
A kind of powder concentrator laminar flow apparatus, comprise powder concentrator spiral case, the wind blade group of the cylindrical annular in fixedly embedded powder concentrator spiral case and be arranged on the rotor blade group of cylindrical annular of wind blade group inside, wind blade group adjacent blades is arranged to parallel equidistant structure, and the adjacent blades of rotor blade group is arranged to parallel equidistant structure.
Preferably, the blade of described wind blade group and rotor blade group is V-type.
Preferably, the fan-shaped angle of V-type blade two boards of wind blade group is 1 ° ~ 60 °, and radical length is 10 millimeters ~ 1000 millimeters, and longitudinal length is 10 millimeters ~ 5000 millimeters; The fan-shaped angle of V-type blade two boards of rotor blade group is 1 ° ~ 60 °, and radical length is 10 millimeters ~ 1000 millimeters, and longitudinal length is 10 millimeters ~ 5000 millimeters.
Preferably, the blade of described wind blade group and rotor blade group is the oblique type of contract.
Preferably, the angle of the oblique type blade of contract of wind blade group is 1 ° ~ 60 °, and radical length is 10 millimeters ~ 1000 millimeters, and longitudinal length is 10 millimeters ~ 5000 millimeters; The angle of the oblique type blade of contract of rotor blade group is 1 ° ~ 60 °, and radical length is 10 millimeters ~ 1000 millimeters, and longitudinal length is 10 millimeters ~ 5000 millimeters.
Compared with prior art, beneficial effect of the present invention is as follows: be the oblique type blade of V-type blade or contract by arranging the blade of wind blade group and rotor blade group, make between adjacent blades equidistant between entrance and exit, solve the turbulent flow in powder concentrator, eddy current, select in powder concentrator in powder flow field and powder concentrator is all laminar flow effect, powder concentrator efficiency increases substantially, and classification selects powder to be strengthened, and chooses fine powder domain size distribution and sees broad.
Accompanying drawing explanation
Fig. 1 is the structural representation of the powder concentrator of vertical dragon shape rotor structure in prior art;
Fig. 2 be the powder concentrator laminar flow apparatus of the embodiment of the present invention 1 face structural representation;
Fig. 3 is the plan structure schematic diagram of the powder concentrator laminar flow apparatus of the embodiment of the present invention 1;
Fig. 4 is the plan structure schematic diagram of the powder concentrator laminar flow apparatus of the embodiment of the present invention 2.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
On the contrary, the present invention is contained any by the substituting of making on marrow of the present invention and scope of defining of claim, amendment, equivalent method and scheme.Further, in order to make the public have a better understanding to the present invention, in hereafter details of the present invention being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the present invention completely for a person skilled in the art yet.
Embodiment 1
See Fig. 2 and Fig. 3, shown in be respectively the powder concentrator laminar flow apparatus of the embodiment of the present invention face structural representation and plan structure schematic diagram, comprise powder concentrator spiral case 301, the wind blade group of the cylindrical annular in fixedly embedded powder concentrator spiral case and be arranged on the rotor blade group of cylindrical annular of wind blade group inside, wherein wind blade group adjacent blades is arranged to parallel equidistant structure, and the adjacent blades of rotor blade group is arranged to parallel equidistant structure.The blade of wind blade group and rotor blade group is V-type, shown in Figure 2, in embody rule example, the fan-shaped angle of two boards of the V-type blade 101 of wind blade group is 1 ° ~ 60 °, radical length is 10 millimeters ~ 1000 millimeters, and longitudinal length is 10 millimeters ~ 5000 millimeters; The fan-shaped angle of two boards of the V-type blade 201 of rotor blade group is 1 ° ~ 60 °, and radical length is 10 millimeters ~ 1000 millimeters, and longitudinal length is 10 millimeters ~ 5000 millimeters.
Embodiment 2
The place different from embodiment 1 is, see Fig. 4, the blade of wind blade group and rotor blade group is the oblique type of contract.In embody rule example, the angle of the oblique type blade 102 of contract of wind blade group is 1 ° ~ 60 °, and radical length is 10 millimeters ~ 1000 millimeters, and longitudinal length is 10 millimeters ~ 5000 millimeters; The angle of the oblique type blade 202 of contract of rotor blade group is 1 ° ~ 60 °, and radical length is 10 millimeters ~ 1000 millimeters, and longitudinal length is 10 millimeters ~ 5000 millimeters.
By the powder concentrator laminar flow apparatus arranged above, make between adjacent blades equidistant between entrance and exit, solve the turbulent flow in powder concentrator, eddy current, select in powder concentrator in powder flow field and powder concentrator is all laminar flow effect, powder concentrator efficiency increases substantially, classification selects powder to be strengthened, and chooses fine powder domain size distribution and sees broad.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a powder concentrator laminar flow apparatus, comprise powder concentrator spiral case, the wind blade group of the cylindrical annular in fixedly embedded powder concentrator spiral case and be arranged on the rotor blade group of cylindrical annular of wind blade group inside, it is characterized in that, wind blade group adjacent blades is arranged to parallel equidistant structure, and the adjacent blades of rotor blade group is arranged to parallel equidistant structure.
2. powder concentrator laminar flow apparatus according to claim 1, is characterized in that, the blade of described wind blade group and rotor blade group is V-type.
3. powder concentrator laminar flow apparatus according to claim 2, is characterized in that, the fan-shaped angle of V-type blade two boards of wind blade group is 1 ° ~ 60 °, and radical length is 10 millimeters ~ 1000 millimeters, and longitudinal length is 10 millimeters ~ 5000 millimeters; The fan-shaped angle of V-type blade two boards of rotor blade group is 1 ° ~ 60 °, and radical length is 10 millimeters ~ 1000 millimeters, and longitudinal length is 10 millimeters ~ 5000 millimeters.
4. powder concentrator laminar flow apparatus according to claim 1, is characterized in that, the blade of described wind blade group and rotor blade group is the oblique type of contract.
5. powder concentrator laminar flow apparatus according to claim 4, is characterized in that, the angle of the oblique type blade of contract of wind blade group is 1 ° ~ 60 °, and radical length is 10 millimeters ~ 1000 millimeters, and longitudinal length is 10 millimeters ~ 5000 millimeters; The angle of the oblique type blade of contract of rotor blade group is 1 ° ~ 60 °, and radical length is 10 millimeters ~ 1000 millimeters, and longitudinal length is 10 millimeters ~ 5000 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410611879.3A CN104353613A (en) | 2014-11-04 | 2014-11-04 | Laminar flow device for powder selecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410611879.3A CN104353613A (en) | 2014-11-04 | 2014-11-04 | Laminar flow device for powder selecting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104353613A true CN104353613A (en) | 2015-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410611879.3A Pending CN104353613A (en) | 2014-11-04 | 2014-11-04 | Laminar flow device for powder selecting machine |
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| Country | Link |
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| CN (1) | CN104353613A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1132667A (en) * | 1995-04-07 | 1996-10-09 | 霍索卡瓦阿尔彼股份公司 | Grading wheel for centrifugal wheel air classifier |
| CN1300645A (en) * | 1999-12-21 | 2001-06-27 | 勒舍有限公司 | Separator of mill |
| US20010020597A1 (en) * | 1995-11-21 | 2001-09-13 | Fcb Societe Anonyme | Pneumatic separator having centrifugal action |
| CN102580925A (en) * | 2012-03-07 | 2012-07-18 | 广西贺州市科隆粉体有限公司 | Novel classifying wheel |
| CN204276358U (en) * | 2014-11-04 | 2015-04-22 | 杭州能云科技有限公司 | A kind of powder concentrator laminar flow apparatus |
-
2014
- 2014-11-04 CN CN201410611879.3A patent/CN104353613A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1132667A (en) * | 1995-04-07 | 1996-10-09 | 霍索卡瓦阿尔彼股份公司 | Grading wheel for centrifugal wheel air classifier |
| US20010020597A1 (en) * | 1995-11-21 | 2001-09-13 | Fcb Societe Anonyme | Pneumatic separator having centrifugal action |
| CN1300645A (en) * | 1999-12-21 | 2001-06-27 | 勒舍有限公司 | Separator of mill |
| CN102580925A (en) * | 2012-03-07 | 2012-07-18 | 广西贺州市科隆粉体有限公司 | Novel classifying wheel |
| CN204276358U (en) * | 2014-11-04 | 2015-04-22 | 杭州能云科技有限公司 | A kind of powder concentrator laminar flow apparatus |
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Application publication date: 20150218 |