CN201516384U - Powder grading device in wet method - Google Patents
Powder grading device in wet method Download PDFInfo
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- CN201516384U CN201516384U CN2009202401218U CN200920240121U CN201516384U CN 201516384 U CN201516384 U CN 201516384U CN 2009202401218 U CN2009202401218 U CN 2009202401218U CN 200920240121 U CN200920240121 U CN 200920240121U CN 201516384 U CN201516384 U CN 201516384U
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- grader
- centrifugal
- staving
- eddy flow
- impeller
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Abstract
The utility model discloses a powder grading device in wet method, and belongs to a separation device. The powder grading device in wet method comprises a centrifugal grader and at least one stage of cyclone grader, wherein the cyclone grader is connected in series on the upstream position of the centrifugal grader, and consists of a cyclone barrel body which is provided with a feed inlet and a discharge port, wherein the feed inlet is arranged on the side wall of the cyclone barrel body, and the spray direction of the feed inlet is close to the tangential direction of the cyclone barrel body, the discharge port is located on the top portion of the cyclone barrel body, and a hydraulic pump is connected with the feed inlet of the cyclone barrel body through a raw material pipeline. The powder grading device solves the technical problems of low production efficiency of powder grading in wet method and low percent of pass of products, has reasonable structure, and can be applied in the powder manufacture industry.
Description
Technical field
The utility model relates to a kind of separator, relates in particular to a kind of device that micro mist separates that carries out in liquid environment.
Background technology
Micro mist wet classification equipment in the market generally adopts overflow size separation method or sedimentation sizing method dual mode.
Chinese patent application prospectus CN 201179478Y discloses a kind of micro mist wet classification equipment, by classification bucket cylinder, classification bucket circular cone, outer overflow launder, interior Overflow Cone, slag-drip opening, residual cake valve, flowmeter, control valve, discharging opening, water inlet constitutes, classification bucket cylinder lower end links to each other with classification bucket circular cone, classification bucket cylinder upper end links to each other with outer overflow launder, link to each other with interior Overflow Cone in the classification bucket cylinder, interior Overflow Cone, outer overflow launder links to each other with discharging opening respectively, classification bucket circular cone lower end and blow-off valve, discharge gate links to each other, and and control valve, flowmeter, water inlet links to each other.This equipment has increased interior Overflow Cone, and its grading effect improves greatly, the product that gradable particle size range is narrow, and pulp density brings up to 15% during sorting, shortens the classification cycle simultaneously.Coarse grained separation during but this overflow-type classifying equipoment is applicable to is bad for the super fine separating effect.
Adopt the classifying equipoment of classification of sedimentation mode more extensive in the application of super fine manufacturing industry, when still adopting sedimentation that super fine is carried out classification, the time is long, output is little, and waste is big, and in the classification of sedimentation process, sneak into coarse granule and impurity easily, cause the qualification rate of product not high.
The utility model content
Technical problem to be solved in the utility model is: a kind of micro mist wet classification equipment is provided, and micro mist wet classification production efficiency is low to solve, the not high technical problem of qualification rate of product.
For solving the problems of the technologies described above, the technical solution of the utility model is: micro mist wet classification equipment, comprise centrifugal grader and one-level spiral-flow type grader at least, and described spiral-flow type grader is series at the upstream position of described centrifugal grader; Described spiral-flow type grader comprises the eddy flow staving, described eddy flow staving is provided with charging aperture and discharging opening, described charging aperture is positioned at the sidewall of described eddy flow staving, and the injection direction of described charging aperture is near the tangential direction of described eddy flow staving, and described discharging opening is positioned at the top of described eddy flow staving; The liquid pump, described liquid pump is connected with the charging aperture of described eddy flow staving by the raw material pipeline.
As a kind of improvement, described centrifugal grader comprises centrifugal cylindrical shell and the upper end cover that is fixedly installed on the described centrifugal cylindrical shell; By rotary shaft driven, described rotating shaft is rotated and is installed in the described centrifugal cylindrical shell; Overflow pipe, described overflow pipe are fixedly installed on the described upper end cover and around described rotating shaft, the space between described overflow pipe and the described rotating shaft forms tapping channel; Separate impeller, described separation impeller is fixedly installed in the described rotating shaft and is positioned at described centrifugal cylindrical shell, and described separation impeller is provided with radial circumference blade spaced apart.
As a kind of improvement, described centrifugal grader also comprises sealing ring, and described sealing ring is fixedly installed on the described upper end cover and around the end outer peripheral face of described separation impeller, is provided with the annular gap between described sealing ring and the described end of separating impeller.
Owing to adopted technique scheme, the beneficial effects of the utility model are: because micro mist wet classification equipment has adopted centrifugal grader and one-level spiral-flow type grader at least, make slip before entering centrifugal grader, at least carried out the one-level separation through the spiral-flow type grader, obtain the higher slip of purity, then by centrifugal grader under the effect that separates impeller, isolate more high purity product, improved operating efficiency greatly, according to separating the different rotating speed of impeller, can obtain varigrained qualified products, guarantee the qualification rate of product.In the dynamic range that the liquid pump provides, more multistage spiral-flow type grader can be set, to enhance productivity and the qualification rate of product.Owing to be provided with sealing ring in the gap periphery of separating between impeller and the upper end cover, the normal pressure of separating the wheel rotation generation makes material can not overflow from the gap of separating between impeller and the upper end cover, played good sealing effectiveness, guarantee the uniformity of product granularity, improved the qualification rate of finished product.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Accompanying drawing is the structural representation of the utility model embodiment;
Among the figure: 1, residual cake valve, 2, the spiral-flow type grader, 3, centrifugal grader, 4, centrifugal cylindrical shell, 5, upper end cover, 6, sealing ring, 7, motor, 8, rotating shaft, 9, overflow pipe, 10, separate impeller, 11, finished cylinder, 12, discharge valve, 13, thick slag cylinder, 14, the liquid pump, 15, raw cylinder.
The specific embodiment
As shown in drawings, a kind of micro mist wet classification equipment comprises centrifugal grader 3 and one-level spiral-flow type grader 2 at least, and described spiral-flow type grader 2 is series at the upstream position of described centrifugal grader 3; Described spiral-flow type grader 2 comprises the eddy flow staving, described eddy flow staving is provided with charging aperture and discharging opening, described charging aperture is positioned at the sidewall of described eddy flow staving, and the injection direction of described charging aperture is near the tangential direction of described eddy flow staving, and described discharging opening is positioned at the top of described eddy flow staving; Liquid pump 14, described liquid pump 14 is connected with the charging aperture of described eddy flow staving by the raw material pipeline.
Described centrifugal grader 3 comprises centrifugal cylindrical shell 4 and the upper end cover 5 that is fixedly installed on the described centrifugal cylindrical shell 4; By rotary shaft driven 8, described rotating shaft 8 is rotated and is installed in the described centrifugal cylindrical shell 4; Overflow pipe 9, described overflow pipe 9 are fixedly installed on the described upper end cover 5 and around described rotating shaft 8, the space between described overflow pipe 9 and the described rotating shaft 8 forms tapping channel; Separate impeller 10, described separation impeller 10 is fixedly installed in the described rotating shaft 8 and is positioned at described centrifugal cylindrical shell 4, and described separation impeller 10 is provided with radial circumference blade spaced apart.
Described centrifugal grader 2 also comprises sealing ring 6, and described sealing ring 6 is fixedly installed on the described upper end cover 5 and around the end outer peripheral face of described separation impeller 10, is provided with the annular gap between described sealing ring 6 and the described end of separating impeller 10.
Its course of work is as follows:
From raw cylinder 15, extract slip out by liquid pump 14 and send into the one-level classification unit that is connected in parallel and forms by three spiral-flow type graders 2, the charging aperture of spiral-flow type grader 2 is positioned at the sidewall of eddy flow staving, and the axis of charging aperture does not pass through the axis of eddy flow staving, slip is under the discharge pressure effect of liquid pump 14, high speed rotational flow in the eddy flow staving, large granular materials is got rid of in periphery, small particles material is in interior week, the slip that contains small particles material is discharged by the discharging opening at eddy flow staving top, the powder qualified products granularity that eddy flow goes out can reach 98%, slip continues to enter the secondary classification unit that is connected in parallel and is formed by three spiral-flow type graders 2, through after the classification once more, obtain the higher slip of purity, the powder qualified products granularity that eddy flow goes out can reach 99%, the high-purity slip continues to enter centrifugal grader 3, because motor 7 rotation at a high speed, drive rotating shaft 8 rotation at a high speed, separate impeller 10 along with rotating together, when the material process is separated impeller 10, under action of centrifugal force, large granular materials is thrown out of, small particles material enters the inner chamber that separates impeller 10 with slip, discharge by overflow pipe 9, isolated finished product slip qualified products granularity can reach 100%, collect at finished cylinder 11, improved separative efficiency greatly.In classification process, owing to be provided with sealing ring 6 in the gap periphery of separating between impeller 10 and the upper end cover 5, the normal pressure of separating impeller 10 rotation generations makes material can not overflow from the gap of separating between impeller 10 and the upper end cover 5, has played good sealing effectiveness, has guaranteed the quality of product.When classification finishes, open the residual cake valve 1 of spiral-flow type grader 2 bottoms and the discharge valve 12 of centrifugal grader 3 bottoms, isolated large granular materials is flowed to thick slag cylinder 13, treats the secondary operations classification.
The utility model is not limited to above-mentioned concrete embodiment, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done all drop within the protection domain of the present utility model.
Claims (3)
1. micro mist wet classification equipment is characterized in that: comprise
Centrifugal grader and one-level spiral-flow type grader at least, described spiral-flow type grader is series at the upstream position of described centrifugal grader; Described spiral-flow type grader comprises
The eddy flow staving, described eddy flow staving is provided with charging aperture and discharging opening, and described charging aperture is positioned at the sidewall of described eddy flow staving, and the injection direction of described charging aperture is near the tangential direction of described eddy flow staving, and described discharging opening is positioned at the top of described eddy flow staving;
The liquid pump, described liquid pump is connected with the charging aperture of described eddy flow staving by the raw material pipeline.
2. micro mist wet classification equipment as claimed in claim 1 is characterized in that: described centrifugal grader comprises
Centrifugal cylindrical shell and the upper end cover that is fixedly installed on the described centrifugal cylindrical shell;
By rotary shaft driven, described rotating shaft is rotated and is installed in the described centrifugal cylindrical shell;
Overflow pipe, described overflow pipe are fixedly installed on the described upper end cover and around described rotating shaft, the space between described overflow pipe and the described rotating shaft forms tapping channel;
Separate impeller, described separation impeller is fixedly installed in the described rotating shaft and is positioned at described centrifugal cylindrical shell, and described separation impeller is provided with radial circumference blade spaced apart.
3. micro mist wet classification equipment as claimed in claim 2 is characterized in that: described centrifugal grader also comprises
Sealing ring, described sealing ring are fixedly installed on the described upper end cover and around the end outer peripheral face of described separation impeller, are provided with the annular gap between described sealing ring and the described end of separating impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202401218U CN201516384U (en) | 2009-10-23 | 2009-10-23 | Powder grading device in wet method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202401218U CN201516384U (en) | 2009-10-23 | 2009-10-23 | Powder grading device in wet method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201516384U true CN201516384U (en) | 2010-06-30 |
Family
ID=42497097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202401218U Expired - Fee Related CN201516384U (en) | 2009-10-23 | 2009-10-23 | Powder grading device in wet method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201516384U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551236A (en) * | 2013-11-05 | 2014-02-05 | 江苏宝众宝达药业有限公司 | Continuous airtight nitrogen sealed wet material post-processing system |
| CN111185279A (en) * | 2020-01-14 | 2020-05-22 | 宜昌中泰新材料有限公司 | Barite ore grinding processing system |
| CN112474033A (en) * | 2020-11-05 | 2021-03-12 | 阜新工大矿物加工利用科技有限公司 | Coal slime pre-desliming and sorting process |
-
2009
- 2009-10-23 CN CN2009202401218U patent/CN201516384U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551236A (en) * | 2013-11-05 | 2014-02-05 | 江苏宝众宝达药业有限公司 | Continuous airtight nitrogen sealed wet material post-processing system |
| CN103551236B (en) * | 2013-11-05 | 2015-07-08 | 江苏宝众宝达药业有限公司 | Continuous airtight nitrogen sealed wet material post-processing system |
| CN111185279A (en) * | 2020-01-14 | 2020-05-22 | 宜昌中泰新材料有限公司 | Barite ore grinding processing system |
| CN112474033A (en) * | 2020-11-05 | 2021-03-12 | 阜新工大矿物加工利用科技有限公司 | Coal slime pre-desliming and sorting process |
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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: 20100630 Termination date: 20131023 |