CN203998971U - A kind of for removing the device of silicon carbide micro-powder impurity - Google Patents
A kind of for removing the device of silicon carbide micro-powder impurity Download PDFInfo
- Publication number
- CN203998971U CN203998971U CN201420403230.8U CN201420403230U CN203998971U CN 203998971 U CN203998971 U CN 203998971U CN 201420403230 U CN201420403230 U CN 201420403230U CN 203998971 U CN203998971 U CN 203998971U
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- pipeline
- pickling tank
- connects
- rinsing area
- raw material
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Abstract
The utility model discloses a kind of for removing the device of silicon carbide micro-powder impurity, it is characterized in that: comprise pickling tank (1), in pickling tank (1), be provided with a pickling tank screen plate (3), at the upper water inlet pipe (5) that connects of described pickling tank (1), described pickling tank (1) also connects a Rinsing Area (2) by pipeline, with transition pond (6), in Rinsing Area (2), be provided with a Rinsing Area screen plate (9), Rinsing Area (2) connects the 3rd acid proof pump (11) by pipeline, described the 3rd acid proof pump (11) connects drier (12) by pipeline, described drier (12) connects sewage lagoon (13) by pipeline.Advantage of the present utility model: this device makes the efficiency of pickling obtain significant raising, saves water for cleaning, has reduced the quantity discharged of sewage simultaneously, has improved efficiency, has reduced production cost.
Description
Technical field
The utility model relates to a kind of pickler, particularly a kind of for removing the device of silicon carbide micro-powder impurity.
Background technology
Silicon carbide micro-powder is the important materials of making the products such as solar silicon wafers, semi-conductor silicon chip, engineering ceramics, heating unit, high grade refractory, along with greatly developing of novel material science, more and more higher to the specification of quality of silicon carbide micro-powder.
In the production of silicon carbide micro-powder, need mixed various Impurity removals with which, as iron powder with which or iron, the impurity such as cut and all must be removed.The technical way of removing in the prior art iron content class impurity is, adopt the method for pickling, can make iron in powder or slurry or other impurity and sulfuric acid reaction generate ferric sulfate and water-soluble salts solution, then, after solution is separated with powder by Precipitation, the iron in powder or slurry or other impurity can be separated.Be in the prior art by the silicon carbide micro-powder after precipitation with clear water again through repeatedly cleaning, until silicon carbide micro-powder forms, be neutral.In above-mentioned cleaning process, need to consume a large amount of clear water, and the sour water after cleaning also needs to process.Because, if directly discharge will cause serious harm to environment.So be necessary the acid cleaning process of existing silicon carbide micro-powder to improve.
Utility model content
The purpose of this utility model is the shortcoming existing in prior art in order to solve, and proposition is a kind of for removing the device of silicon carbide micro-powder impurity.
To achieve these goals, the utility model has adopted following technical scheme:
For removing a device for silicon carbide micro-powder impurity, it is characterized in that:
Comprise pickling tank, in described pickling tank, be provided with a pickling tank screen plate, described pickling tank screen plate is divided into two separate pickling tank raw material chambeies and pickling tank filtering chamber the cavity of described pickling tank, on described pickling tank raw material chamber, connect a water inlet pipe, described pickling tank raw material chamber also connects a Rinsing Area by pipeline, described pickling tank filtering chamber connects transition pond by pipeline, described transition pond is communicated with described pickling tank raw material chamber by pipeline, also connects first acid proof pump on this pipeline;
In described Rinsing Area, be provided with a Rinsing Area screen plate, described Rinsing Area screen plate is divided into two separate Rinsing Area raw material chambeies and Rinsing Area filtering chamber the cavity of described Rinsing Area, described Rinsing Area filtering chamber connects Rinsing Area raw material chamber by pipeline, on this pipeline, connect second acid proof pump, described Rinsing Area raw material chamber connects the 3rd acid proof pump by pipeline, described the 3rd acid proof pump connects drier by pipeline, and described drier connects sewage lagoon by pipeline.
On the basis of technique scheme, can there is following further technical scheme:
On the pipeline between described the second acid proof pump and described pickling tank raw material chamber, also connect a two-way valve, described two-way valve connects sewage lagoon by pipeline.
When removing impurity, first silicon carbide micro-powder is put into the pickling tank raw material chamber first through wash acid liquid reaction impurity of pickling tank, after impurity is all removed, again silicon carbide micro-powder is put into the Rinsing Area raw material chamber of Rinsing Area, pass into clear water removal and wash acid solution, this device wash acid solution and clear water is all reusable, saved cost, the pollution of reduction.
The utility model has the advantage of: this device makes the efficiency of pickling obtain significant raising, save water for cleaning, reduced the quantity discharged of sewage simultaneously, improved efficiency, reduced production cost.
Accompanying drawing explanation
Fig. 1 is basic structure schematic diagram of the present utility model.
Embodiment
As shown in Figure 1, what the utility model provided is a kind of for removing the device of silicon carbide micro-powder impurity, it is characterized in that:
Comprise pickling tank 1, in described pickling tank 1, be provided with a pickling tank screen plate 3, described pickling tank screen plate 3 is divided into two separate pickling tank raw material chamber 1.1 and pickling tank filtering chambers 1.2 the cavity of described pickling tank 1, on described pickling tank raw material chamber 1.1, connect a water inlet pipe 5, described pickling tank raw material chamber 1.1 also connects a Rinsing Area 2 by pipeline, described pickling tank filtering chamber 1.2 connects transition pond 6 by pipeline, described transition pond 6 is communicated with described pickling tank raw material chamber 1.1 by pipeline, also connects first acid proof pump 7 on this pipeline.
In described Rinsing Area 2, be provided with a Rinsing Area screen plate 9, described Rinsing Area screen plate 9 is divided into two separate Rinsing Area raw material chamber 2.1 and Rinsing Area filtering chambers 2.2 the cavity of described Rinsing Area 2, described Rinsing Area filtering chamber 2.2 connects Rinsing Area raw material chamber 2.1 by pipeline, on this pipeline, connect second acid proof pump 8, described Rinsing Area raw material chamber 2.1 connects the 3rd acid proof pump 11 by pipeline, described the 3rd acid proof pump 11 connects drier 12 by pipeline, and described drier 12 connects sewage lagoon 13 by pipeline.
On the pipeline between described the second acid proof pump 7 and described pickling tank raw material chamber 1.1, also connect a two-way valve 10, described two-way valve 10 connects sewage lagoon 13 by pipeline.
Above embodiment is only most preferred embodiment of the present utility model, not in order to limit the utility model, all any modifications of making, is equal to replacement, improvement etc., within all should being included in the protection domain of this creation within principle of the present utility model.
Claims (2)
1. for removing a device for silicon carbide micro-powder impurity, it is characterized in that:
Comprise pickling tank (1), in described pickling tank (1), be provided with a pickling tank screen plate (3), described pickling tank screen plate (3) is divided into two separate pickling tank raw material chambeies (1.1) and pickling tank filtering chamber (1.2) the cavity of described pickling tank (1), the upper water inlet pipe (5) that connects in described pickling tank raw material chamber (3), described pickling tank raw material chamber (1.1) also connects a Rinsing Area (2) pickling tank filtering chamber (1.2) by pipeline and connects transition pond (6) by pipeline, described transition pond (6) is communicated with described pickling tank raw material chamber (1.1) by pipeline, on this pipeline, also connect first acid proof pump (7),
In described Rinsing Area (2), be provided with a Rinsing Area screen plate (9), described Rinsing Area screen plate (9) is divided into two separate Rinsing Area raw material chambeies (2.1) and Rinsing Area filtering chamber (2.2) the cavity of described Rinsing Area (2), described Rinsing Area filtering chamber (2.2) connects Rinsing Area raw material chamber (2.1) by pipeline, on this pipeline, connect second acid proof pump (8), described Rinsing Area raw material chamber (2.1) connects the 3rd acid proof pump (11) by pipeline, described the 3rd acid proof pump (11) connects drier (12) by pipeline, described drier (12) connects sewage lagoon (13) by pipeline.
2. according to claim 1 a kind of for removing the device of silicon carbide micro-powder impurity, it is characterized in that: on the pipeline between described the second acid proof pump (7) and pickling tank raw material chamber (1.1), also connect a two-way valve (10), described two-way valve (10) connects sewage lagoon (13) by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403230.8U CN203998971U (en) | 2014-07-21 | 2014-07-21 | A kind of for removing the device of silicon carbide micro-powder impurity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403230.8U CN203998971U (en) | 2014-07-21 | 2014-07-21 | A kind of for removing the device of silicon carbide micro-powder impurity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203998971U true CN203998971U (en) | 2014-12-10 |
Family
ID=52039002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420403230.8U Expired - Fee Related CN203998971U (en) | 2014-07-21 | 2014-07-21 | A kind of for removing the device of silicon carbide micro-powder impurity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203998971U (en) |
-
2014
- 2014-07-21 CN CN201420403230.8U patent/CN203998971U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150721 |
|
| EXPY | Termination of patent right or utility model |