CN2176849Y - Air sorting machine for powder - Google Patents
Air sorting machine for powder Download PDFInfo
- Publication number
- CN2176849Y CN2176849Y CN 93246146 CN93246146U CN2176849Y CN 2176849 Y CN2176849 Y CN 2176849Y CN 93246146 CN93246146 CN 93246146 CN 93246146 U CN93246146 U CN 93246146U CN 2176849 Y CN2176849 Y CN 2176849Y
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- CN
- China
- Prior art keywords
- powder concentrator
- powder
- backgauge sheet
- backgauge
- sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a sorting machine for powder. Because material blocking sheets in a lamellar structure on a vertical direction are arranged on the guide vanes of the existing sorting machine for powder and the inner surface of the casing of the sorting machine for powder, the utility model stabilizes powder sorting airflow inside the sorting machine for powder, extends the time that materials to be sorted pass through a powder sorting space, changes the moving states of the materials to be sorted in process of gravity settling so as to enhance the powder sorting efficiency of the sorting machine for powder, and meanwhile, the sorting machine for powder also has the advantages of the existing sorting machine for powder, such as compact structure, convenient use, etc.
Description
The utility model is a kind of gradation equipment, be used for the mixture of thickness material is carried out classification, the powder that can be widely used in industries such as cement, chemical industry, metallurgy, mine prepares occasion, is particularly useful for the powder equipment that selects as the raw mill of cement industry and cement grinding mill.
Prior art can be referring to the 52nd page to 55 pages of " cement " magazine 1989 the 10th phases, and article comparatively describes the structure and the characteristics of Ao Saipa (O-Sepa) powder concentrator in detail.The primary structure of Ao Saipa high-efficient powder concentrator is, the enclosure interior at powder concentrator is fixed with rotor by vertical shaft, and rotor is made up of horizontal baffle, blade etc., and vertical shaft drives rotor rotation.Be wind air inlet and secondary wind air inlet in the side of housing, the bottom of housing is an ash bucket, and the tertiary air air inlet is installed above ash bucket.Select the powder air-flow to enter powder concentrator inside from above-mentioned three air inlets.Between powder concentrator housing medial surface and rotor, utilize the last lower house of powder concentrator also to be fixed with guide vane.During use, material is delivered on the spreading disk of enclosure interior by the feeding mouth that is installed in the housing top, by spreading disk material is scattered in the powder-separating space between rotor and guide vane, under the effect of selecting the powder air-flow, fine powder is constantly selected again, and with selecting powder gas together, discharge by discharge pipe, remaining material then owing to the effect of gravitational settling, falls to ash bucket from powder-separating space, in dropping process, more fine powder is selected.
Material to be selected is falling to the process of ash bucket from powder-separating space, and the time length that is experienced in powder-separating space directly influences the grinding efficiency of powder concentrator.In above-mentioned Ao Saipa powder concentrator, after material to be selected enters powder-separating space, basically be with the sedimentation under the gravity effect of uncrossed mode, so the time of being experienced in powder-separating space is shorter relatively, this shows that also the grinding efficiency of Ao Saipa powder concentrator still has the potentiality of further raising.
In other one side, the Ao Saipa powder concentrator is in running, and what close guide vane and powder concentrator shell inner surface were neighbouring selects the powder air-flow owing to be subjected to the effect of viscosity resistance, and its speed is relatively low, and material to be selected is difficult to by effective sorting in this zone.This has also influenced the grinding efficiency of Ao Saipa powder concentrator.
The purpose of this utility model is the powder concentrator that a kind of new construction will be provided, the powder concentrator of this new construction is on the basis of above-mentioned Ao Saipa powder concentrator, by prolonging the time that material to be selected experienced and change motion state in powder-separating space, to reach the purpose of the grinding efficiency that improves powder concentrator near near the material to be selected guide vane in the powder concentrator and the shell inner surface.In other one side, series of advantages such as compact conformation, the installation and maintenance that also require newly-designed powder concentrator to keep the Ao Saipa powder concentrator make things convenient for, and the basic structure of maintenance Ao Saipa powder concentrator, to adapt to the technology provided by the utility model of utilizing, existing Ao Saipa powder concentrator is undergone technological transformation.
The utility model is realized by the backgauge sheet is installed on existing Ao Saipa powder concentrator basis.In common Ao Saipa powder concentrator inside, by polylith backgauge sheet is being installed on the guide vane and on the inner surface of powder concentrator housing, utilize the backgauge sheet to make material to be selected in powder-separating space in the infall process, constantly hindered and prolonged material to be selected, also changed near the motion state of the material to be selected close guide vane and the powder concentrator shell inner surface simultaneously in the time that powder-separating space experienced.
The mounting means of backgauge sheet of the present utility model has following several alternative plan: install on the guide vane in powder concentrator separately; On the powder concentrator shell inner surface, install separately; All installed on guide vane in powder concentrator and the shell inner surface.In addition, multiple alternative plan is also arranged about the planform of backgauge sheet of the present utility model, the most frequently used backgauge sheet be shaped as the strip thin plate, utilize metal or ceramic-like hard material to make.This backgauge sheet generally is suitable for being installed on the guide vane.With this backgauge sheet of polylith with perpendicular to or be fixed on the guide vane approximately perpendicular to the mode of guide vane, make these backgauge sheets form approximate circulus in the horizontal direction, in the vertical direction forms layer structure.Another kind of backgauge plate shape commonly used is curved strip backgauge sheet, and material is similarly metal or ceramic-like hard material, and this backgauge sheet both had been suitable for being installed on the guide vane, also was suitable for being installed on the inner surface of powder concentrator housing.This backgauge sheet is installed on the guide vane in vertical or approximately perpendicular mode, and in the vertical direction is layer structure, and each layer all is an overall structure.
Use the utility model to have the following advantages.At first, utilize the backgauge sheet to prolong the time that material is experienced in powder-separating space, because the infall process of material to be selected in powder-separating space is subjected to repeatedly hindering, obstruction all causes material to be selected to lose or reduces sinking speed each time, the possibility that makes fine powder in the material to be selected be selected greatly increases, and then has improved grinding efficiency.Secondly, owing to the existence of backgauge sheet, changed the motion state of sedimentation material, make and enter near powder concentrator housing and near the material of guide vane, can leave this zone, reenter zone, thereby further improve the grinding efficiency of powder concentrator with higher grinding efficiency.The 3rd, no matter backgauge sheet of the present utility model is mounted on the guide vane, also is mounted on the powder concentrator shell inner surface, and in the vertical direction all is to be layer structure, and this is of value to the air-flow of stablizing in the powder concentrator, is of value to the raising of grinding efficiency equally.In addition, the utility model also has the compact conformation of Ao Saipa powder concentrator, series of advantages such as easy to use.
Most preferred embodiment of the present utility model can provide in conjunction with the following drawings.
Fig. 1 is a complete machine structure schematic diagram of the present utility model.
Fig. 2 is the A-A cut-away view of Fig. 1.
Fig. 3 is the another kind of A-A cut-away view of Fig. 1.
At first referring to Fig. 1, powder concentrator of the present utility model is made up of powder concentrator housing (12), ash bucket (10), air outlet (15), a wind air inlet (4), secondary wind air inlet (11), tertiary air air inlet (8) and charging aperture (2), discharge port (9) etc., utilize the top board and the base plate of powder concentrator housing (12) to be fixed with guide vane (13) and counterpunch board (3), core at powder concentrator, be a vertically disposed vertical shaft (1), vertical shaft (1) is driven by transmission mechanism and rotates.On vertical shaft (1), be fixed with cage rotor (7), on cage rotor (7), be fixed with spreading disk (14).Select the powder air-flow to enter powder concentrator inside from a wind air inlet (4), secondary wind air inlet (11), form eddy current, formation is uniform and stable under the effect of cage rotor (7) selects the powder air velocity distribution.Material to be selected enters powder concentrator inside by charging aperture (2), at first drop on the spreading disk (14), because cage rotor (7) drives spreading disk (14) rotation, the material to be selected that drops on the spreading disk (14) is flown out along the edge of spreading disk (14), after clashing into counterpunch board (3), what fall into powder-separating space outside the cage rotor (7) selects the powder air velocity distribution, fine powder is with selecting the powder air-flow to be discharged by air outlet (15), meal is then under the gravity effect, fall to ash bucket (10), and run into the tertiary air that enters by three wind air inlets (8), by tertiary air sorting once more, fall into ash bucket (10) at last, and draw off outside the powder concentrator by discharge port (9).
The technical characterictic that powder concentrator of the present utility model is different from existing powder concentrator is, on the guide vane (13) of powder concentrator, backgauge sheet (6) and backgauge sheet (5) also are installed on powder concentrator housing (12) inner surface in case of necessity, utilize backgauge sheet (6) and backgauge sheet (5) to prolong material time of in powder-separating space, being experienced and the motion state that changes the whereabouts material.
The utility model is installed in the version of the backgauge sheet (6) on the guide vane (13) referring to Fig. 2, the all elongated shape of each piece backgauge sheet (6), the mode that each guide vane (13) is gone up with level or level of approximation is fixed with polylith backgauge sheet (6) from top to bottom, and the distance between the adjacent two backgauge sheets of in the vertical direction (6) generally is advisable with 80 to 300 millimeters.
The utility model is installed in version that the another kind of the backgauge sheet (6) on the guide vane (13) substitutes referring to Fig. 3, the backgauge sheet (6) that all guide vanes (13) are gone up on the same horizontal plane is an integral body, in the form of a ring, can be put together with the little arc strip of polylith.A plurality of such ring-type backgauge sheets (6) are vertically evenly arranged, form layer structure, and same, the distance between the adjacent in vertical direction two-layer backgauge sheet (6) generally is advisable with 80 to 300 millimeters.
In an other direction, in powder concentrator, powder-separating space also not only is confined to the zone between guide vane (13) and the cage rotor (7), and the powder effect is also selected in the zone between guide vane (13) and powder concentrator housing (12) inner surface.Therefore, that improves powder concentrator housing (12) inner surface near zone selects the powder stream condition, and the motion state that prolongs material sedimentation required time in this zone and change this part material is also very helpful for the grinding efficiency that improves powder concentrator.For this reason, the utility model is recommended on the inner surface of powder concentrator housing (12) backgauge sheet (5) also is set, backgauge sheet (5) be shaped as the arcuation strip, referring to Fig. 1, Fig. 2 and Fig. 3.The front end of this arcuation strip thin plate is for directly rectangular, and with corresponding with a wind air inlet (4), secondary wind air inlet (11), the back is the part of ring-type, with the matching of powder concentrator housing (12) inner surface.In the vertical direction evenly is furnished with multilayer backgauge sheet (5), forms layer structure.Usually, the distance between the adjacent backgauge sheet (5) is advisable with 80 to 300 millimeters.
The material of backgauge sheet of the present utility model (6) and backgauge sheet (5) generally adopts metal to make, as utilizes stalloy to make, and is fixed on guide vane (13) and powder concentrator housing (12) inner surface by welding manner.And in order to alleviate the weight of backgauge sheet (6) and backgauge sheet (5), the backgauge sheet can also be made into netted.In addition, backgauge sheet (6) and backgauge sheet (5) also can adopt the ceramic-like hard non-metallic material to make, and are fixed on guide vane (13) and powder concentrator housing (12) inner surface by gluing mode.
Claims (8)
1, a kind of powder concentrator is made up of vertical shaft (1), cage rotor (7), guide vane (13), spreading disk (14), charging aperture (2), a wind air inlet (4), secondary wind air inlet (11), tertiary air air inlet (8), powder concentrator housing (12), ash bucket (10), discharge port (9), air outlet (15), counterpunch board (3) etc.; It is characterized in that, backgauge sheet (6) is installed on guide vane (13).
2, powder concentrator as claimed in claim 1 is characterized in that, on powder concentrator housing (12) inner surface backgauge sheet (5) is installed.
3, powder concentrator as claimed in claim 1 is characterized in that, the elongated shape of backgauge sheet (6), and each guide vane (13) is fixed with polylith backgauge sheet (6) from top to bottom in the mode of level or level of approximation.
4, powder concentrator as claimed in claim 1, it is characterized in that, backgauge sheet (6) in the form of a ring, the backgauge sheet (6) that all guide vanes (13) are gone up on the same horizontal plane is an integral body, a plurality of such ring-type backgauge sheets (6) are vertically evenly arranged, form layer structure.
5, powder concentrator as claimed in claim 2 is characterized in that, backgauge sheet (5) is the arcuation strip, front end is for directly rectangular, the back is the part of ring-type, evenly is furnished with multilayer backgauge sheet (5) on powder concentrator housing (12) inner surface vertical direction, forms layer structure.
6, as the described powder concentrator of claim 3 to 5, it is characterized in that, in the vertical direction, adjacent backgauge sheet (6) or the distance between the backgauge sheet (5) they are 80 to 300.
7, powder concentrator as claimed in claim 1 or 2 is characterized in that, backgauge sheet (6) and backgauge sheet (5) are made of the thin sheet steel type metal material, are fixed on guide vane (13) and powder concentrator housing (12) inner surface by welding manner.
8, powder concentrator as claimed in claim 1 or 2 is characterized in that, backgauge sheet (6) and backgauge sheet (5) are made of hard ceramic class material, are fixed on guide vane (13) and powder concentrator housing (12) inner surface by gluing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93246146 CN2176849Y (en) | 1993-12-03 | 1993-12-03 | Air sorting machine for powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93246146 CN2176849Y (en) | 1993-12-03 | 1993-12-03 | Air sorting machine for powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2176849Y true CN2176849Y (en) | 1994-09-14 |
Family
ID=33818918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93246146 Expired - Fee Related CN2176849Y (en) | 1993-12-03 | 1993-12-03 | Air sorting machine for powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2176849Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515316A (en) * | 2015-12-24 | 2016-04-20 | 河南黎明重工科技股份有限公司 | Self-driving cage rotor for cage type powder concentrator |
| CN105553146A (en) * | 2016-01-25 | 2016-05-04 | 河南黎明重工科技股份有限公司 | Self-driving disk type rotor used for Raymond mill powder selecting machine |
| CN105944820A (en) * | 2016-07-01 | 2016-09-21 | 桂林晟兴机械制造有限公司 | Outer circulation efficient classifier |
| CN105944797A (en) * | 2016-07-01 | 2016-09-21 | 桂林晟兴机械制造有限公司 | Outer circulation pulverizer |
| CN106000552A (en) * | 2016-07-01 | 2016-10-12 | 桂林晟兴机械制造有限公司 | Vertical outer circulation pulverizer |
| CN108993904A (en) * | 2018-07-13 | 2018-12-14 | 张雪敏 | A kind of crystal waste slag extracts the preparation facilities of sand-blast material |
| CN109092684A (en) * | 2018-08-28 | 2018-12-28 | 中建材（合肥）粉体科技装备有限公司 | high-efficient powder concentrator |
| CN116493258A (en) * | 2023-06-28 | 2023-07-28 | 绵阳九方环保节能科技有限公司 | Horizontal vortex powder separator capable of preventing dust accumulation |
-
1993
- 1993-12-03 CN CN 93246146 patent/CN2176849Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515316B (en) * | 2015-12-24 | 2018-01-09 | 河南黎明重工科技股份有限公司 | Self-driving type cage rotor for cage type powder concentrator |
| CN105515316A (en) * | 2015-12-24 | 2016-04-20 | 河南黎明重工科技股份有限公司 | Self-driving cage rotor for cage type powder concentrator |
| CN105553146A (en) * | 2016-01-25 | 2016-05-04 | 河南黎明重工科技股份有限公司 | Self-driving disk type rotor used for Raymond mill powder selecting machine |
| CN105553146B (en) * | 2016-01-25 | 2018-03-16 | 河南黎明重工科技股份有限公司 | Self-powered disk rotor for Raymond mill powder concentrator |
| CN105944797A (en) * | 2016-07-01 | 2016-09-21 | 桂林晟兴机械制造有限公司 | Outer circulation pulverizer |
| CN106000552A (en) * | 2016-07-01 | 2016-10-12 | 桂林晟兴机械制造有限公司 | Vertical outer circulation pulverizer |
| CN105944820A (en) * | 2016-07-01 | 2016-09-21 | 桂林晟兴机械制造有限公司 | Outer circulation efficient classifier |
| CN105944797B (en) * | 2016-07-01 | 2018-04-10 | 桂林晟兴机械制造有限公司 | Outer circulation flour mill |
| CN105944820B (en) * | 2016-07-01 | 2018-04-10 | 桂林晟兴机械制造有限公司 | Outer circulation high-effective classifying device |
| CN108993904A (en) * | 2018-07-13 | 2018-12-14 | 张雪敏 | A kind of crystal waste slag extracts the preparation facilities of sand-blast material |
| CN109092684A (en) * | 2018-08-28 | 2018-12-28 | 中建材（合肥）粉体科技装备有限公司 | high-efficient powder concentrator |
| CN116493258A (en) * | 2023-06-28 | 2023-07-28 | 绵阳九方环保节能科技有限公司 | Horizontal vortex powder separator capable of preventing dust accumulation |
| CN116493258B (en) * | 2023-06-28 | 2023-09-05 | 绵阳九方环保节能科技有限公司 | Horizontal vortex powder separator capable of preventing dust accumulation |
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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 |