CN203678457U - Circulating ball-milling system with narrowed particle size distribution - Google Patents
Circulating ball-milling system with narrowed particle size distribution Download PDFInfo
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- CN203678457U CN203678457U CN201320641639.9U CN201320641639U CN203678457U CN 203678457 U CN203678457 U CN 203678457U CN 201320641639 U CN201320641639 U CN 201320641639U CN 203678457 U CN203678457 U CN 203678457U
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Abstract
The utility model relates to the technical field of a ceramic product, and particularly relates to a ball-milling system. The circulating ball-milling system with the narrowed particle size distribution comprises a ball mill and two storage tanks, namely a first storage tank and a second storage tank; each storage tank is provided with a feed opening and a discharge opening. A feed opening of the ball mill is respectively connected with the discharge opening of the first storage tank and the discharge opening of the second storage tank. The discharge opening of the ball mill is respectively connected with the feed opening of the first storage tank and the feed opening of the second storage tank. By adopting the technical scheme, the ball-milling system disclosed by the utility model is good in ball-milling uniformity and narrow in ball-milling particle size distribution during the ball milling process of a mixed material, relatively high subsequent sintering stress is achieved, and prepared ceramic balls are high in hardness, long in service life and not prone to peel off.
Description
Technical field
The utility model relates to ceramic technical field, relates in particular to a kind of milling system.
Background technology
Because Ceramic Balls has density, mechanical strength is high, anti-wear performance waits well remarkable advantage, therefore be widely used in the carriage such as bearing, ball nut or control in the fluid spool of high-pressure fluid as wear-resistant parts, realizing long-term stable operation, reducing the function of maintenance cost.
The multiple raw materials of the general employing of existing Ceramic Balls, carry out after mixing and ball milling, add that sintering adjuvant carries out sintering, obtains spheres of ceramic.In Ceramic Balls manufacturing process, due to the restriction of proportioning or the existing technique of raw material, existing Ceramic Balls, easily on surface or the inner pore that produces, has the Ceramic Balls of numerous pores in long-term use procedure, or run up down for a long time, can run into surfacial spalling or the heavy wear of bearing ball.Therefore how reducing or reduce this surfacial spalling or heavy wear, improving its limit speed, service life and precision, is a great problem of pendulum in face of us.
Utility model content
The purpose of this utility model is, provides a kind of circulating ball grinding system with size distribution narrow, to solve the problems of the technologies described above.
The technical problem that the utility model solves can realize by the following technical solutions:
There is the circulating ball grinding system of size distribution narrow, comprise a ball mill, a storage tank being connected with described ball mill, it is characterized in that, described storage tank comprises two, be respectively the first storage tank, the second storage tank, each described storage tank is equipped with charging aperture and discharging opening;
The charging aperture of described ball mill connects respectively the discharging opening of described the first storage tank discharging opening, described the second storage tank;
The discharging opening of described ball mill connects respectively the charging aperture of described the first storage tank charging aperture, described the second storage tank.
The utility model has been set up a storage tank, in ball mill running, by after the compound ball milling in the first storage tank, puts into the second storage tank, and the compound in such the first storage tank all can be by ball milling once.Compound in the first storage tank after all ball milling completes, to the ball milling again of the compound in the second storage tank, after ball milling, is put into the first storage tank; Can circulate like this compound in two storage tanks is carried out to ball milling successively, realize ball milling even.Identical Ball-milling Time, repeatedly compared with ball-milling technology, the utility model is the compound after ball milling in ball mill with the single storage tank of tradition, and particle diameter all can reach below 0.5um, and more compound is below 0.3um, and the particle size distribution of compound narrows.Because granularity is less, in making ceramic bearing ball process, its stress is stronger, and the stress after sintering is also stronger, has realized the advantage that the porosity is low, hardness is high, compactness is good, effectively prevents peeling off of ceramic bearing ball.
The charging aperture of described storage tank is arranged on top, and the discharging opening of described storage tank is arranged on bottom.To under the effect of gravity, be convenient to discharging.
The charging aperture of described ball mill connects the discharging opening of described the first storage tank by the first inlet valve, the charging aperture of described ball mill connects the discharging opening of described the second storage tank by the second inlet valve;
The discharging opening of described ball mill connects the charging aperture of described the first storage tank, described ball mill discharging opening by the first outlet valve connects the charging aperture of described the second storage tank by the second outlet valve.When the utility model uses, 1) close the second inlet valve, the first outlet valve, open the first inlet valve, the second outlet valve, the compound in the first storage tank is carried out to ball milling; After the compound ball milling in the first storage tank completes, 2) close the first inlet valve, the second outlet valve, open the second inlet valve, the first outlet valve, compound in the second storage tank is carried out to ball milling for the second time, after the compound ball milling in the second storage tank completes, according to compound granularity requirements, circulation step 1) and step 2), realize the object of circulation ball milling.
In described the first storage tank, described the second storage tank, be equipped with a level sensor, two described level sensors all connect a signal processing module;
Described the first inlet valve, the second inlet valve, the first outlet valve, the second outlet valve all adopt an electrically operated valve, and described the first inlet valve, the second inlet valve, the first outlet valve, the second outlet valve connect respectively described signal processing module.Whether the utility model responds to compound position in storage tank, the complete compound information of ball milling by level sensor.And sending above-mentioned information to signal processing module, signal processing module, according to above-mentioned information, is controlled the switching of the first inlet valve, the second inlet valve, the first outlet valve, the second outlet valve, realizes the object of automatically controlling ball-milling technology.
Described signal processing module connects one group of button group and display module.In order to operate ball milling cycle-index, the parameters such as Ball-milling Time.
Beneficial effect: owing to adopting technique scheme, the utility model is carrying out in mechanical milling process compound, and ball milling good uniformity, ball milling narrow particle size distribution, realize follow-up sintering stress stronger, the Ceramic Balls hardness made is high, long service life, is not easy to peel off.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is compound particle size distribution figure.
Detailed description of the invention
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with further elaboration the utility model of concrete diagram.
With reference to Fig. 1, there is the circulating ball grinding system of size distribution narrow, the storage tank that comprises ball mill 3, is connected with ball mill 3, storage tank comprises two, is respectively the first storage tank 1, the second storage tank 2, each storage tank is equipped with charging aperture and discharging opening.The charging aperture of storage tank is arranged on top, and the discharging opening of storage tank is arranged on bottom.
The charging aperture of ball mill 3 is connected the first storage tank 1 discharging opening, is connected the discharging opening of the second storage tank 2 by the second inlet valve 21 by the first inlet valve 11.The discharging opening of ball mill 3 is connected the first storage tank 1 charging aperture, is connected the charging aperture of the second storage tank 2 by the second outlet valve 22 by the first outlet valve 12.
The utility model has been set up a storage tank, in ball mill 3 runnings, and 1) close the second inlet valve 21, the first outlet valve 12, open the first inlet valve 11, the second outlet valve 22, the compound in the first storage tank 1 is carried out to ball milling; After the compound ball milling in the first storage tank 1 completes, 2) close the first inlet valve 11, the second outlet valve 22, open the second inlet valve 21, the first outlet valve 12, compound in the second storage tank 2 is carried out to ball milling for the second time, after the compound ball milling in the second storage tank 2 completes, according to compound granularity requirements, circulation step 1) and step 2), realize the object of circulation ball milling.
Identical Ball-milling Time, with the single storage tank of tradition repeatedly compared with ball-milling technology, the compound of the utility model after the interior ball milling of ball mill 3, with reference to Fig. 2, particle diameter all can reach below 0.5um, and more compound is below 0.3um, and the particle size distribution of compound narrows.Because granularity is less, in making ceramic bearing ball process, its stress is stronger, and the stress after sintering is also stronger, has realized the advantage that the porosity is low, hardness is high, compactness is good, effectively prevents peeling off of ceramic bearing ball.
In the first storage tank 1, the second storage tank 2, be equipped with a level sensor, two level sensors all connect signal processing module.The first inlet valve 11, the second inlet valve 21, the first outlet valve 12, the second outlet valve 22 all adopt an electrically operated valve, and the first inlet valve 11, the second inlet valve 21, the first outlet valve 12, the second outlet valve 22 connect respectively signal processing module.Whether the utility model responds to compound position in storage tank, the complete compound information of ball milling by level sensor.And sending above-mentioned information to signal processing module, signal processing module, according to above-mentioned information, is controlled the switching of the first inlet valve 11, the second inlet valve 21, the first outlet valve 12, the second outlet valve 22, realizes the object of automatically controlling ball-milling technology.Signal processing module connects one group of button group and display module.In order to operate ball milling cycle-index, the parameters such as Ball-milling Time.
Level sensor of the present utility model can adopt level sensor of the prior art, also can adopt liquid level sensor.All right adopts pressure sensor, weight sensor is arranged on the bottom of storage tank, in order to detect the weight of the compound in storage tank.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. there is the circulating ball grinding system of size distribution narrow, comprise a ball mill, a storage tank being connected with described ball mill, it is characterized in that, described storage tank comprises two, be respectively the first storage tank, the second storage tank, each described storage tank is equipped with charging aperture and discharging opening;
The charging aperture of described ball mill connects respectively the discharging opening of described the first storage tank discharging opening, described the second storage tank;
The discharging opening of described ball mill connects respectively the charging aperture of described the first storage tank charging aperture, described the second storage tank.
2. the circulating ball grinding system with size distribution narrow according to claim 1, is characterized in that, the charging aperture of described storage tank is arranged on top, and the discharging opening of described storage tank is arranged on bottom.
3. the circulating ball grinding system with size distribution narrow according to claim 1 and 2, it is characterized in that, the charging aperture of described ball mill connects the discharging opening of described the first storage tank by the first inlet valve, the charging aperture of described ball mill connects the discharging opening of described the second storage tank by the second inlet valve;
The discharging opening of described ball mill connects the charging aperture of described the first storage tank, described ball mill discharging opening by the first outlet valve connects the charging aperture of described the second storage tank by the second outlet valve.
4. the circulating ball grinding system with size distribution narrow according to claim 3, is characterized in that, in described the first storage tank, described the second storage tank, is equipped with a level sensor, and two described level sensors all connect a signal processing module;
Described the first inlet valve, the second inlet valve, the first outlet valve, the second outlet valve all adopt an electrically operated valve, and described the first inlet valve, the second inlet valve, the first outlet valve, the second outlet valve connect respectively described signal processing module.
5. the circulating ball grinding system with size distribution narrow according to claim 4, is characterized in that, described signal processing module connects one group of button group and display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320641639.9U CN203678457U (en) | 2013-10-17 | 2013-10-17 | Circulating ball-milling system with narrowed particle size distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320641639.9U CN203678457U (en) | 2013-10-17 | 2013-10-17 | Circulating ball-milling system with narrowed particle size distribution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203678457U true CN203678457U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320641639.9U Expired - Fee Related CN203678457U (en) | 2013-10-17 | 2013-10-17 | Circulating ball-milling system with narrowed particle size distribution |
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| CN (1) | CN203678457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413820A (en) * | 2015-11-25 | 2016-03-23 | 郑臣钏 | Chemical raw material pulverizing equipment |
| CN111266162A (en) * | 2020-03-25 | 2020-06-12 | 长沙矿冶研究院有限责任公司 | Preparation method of nano silicon powder |
-
2013
- 2013-10-17 CN CN201320641639.9U patent/CN203678457U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413820A (en) * | 2015-11-25 | 2016-03-23 | 郑臣钏 | Chemical raw material pulverizing equipment |
| CN111266162A (en) * | 2020-03-25 | 2020-06-12 | 长沙矿冶研究院有限责任公司 | Preparation method of nano silicon powder |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20201017 |