CN206276059U - For the crystallization kettle in phosphorous acid production system - Google Patents
For the crystallization kettle in phosphorous acid production system Download PDFInfo
- Publication number
- CN206276059U CN206276059U CN201621409425.9U CN201621409425U CN206276059U CN 206276059 U CN206276059 U CN 206276059U CN 201621409425 U CN201621409425 U CN 201621409425U CN 206276059 U CN206276059 U CN 206276059U
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- CN
- China
- Prior art keywords
- agitating shaft
- crystallization kettle
- phosphorous acid
- shaft
- stirring vane
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Abstract
The utility model provides the crystallization kettle in a kind of production system for phosphorous acid, including for carrying out the crystallization kettle of crystallization operation to dense phosphorous acid solution；The first agitating shaft and the second agitating shaft are provided with crystallization kettle body, first agitating shaft input is connected with driving wheel output shaft, second agitating shaft input is connected with driven pulley output shaft, and driving wheel and driven pulley are connected by belt, and driving wheel input is connected with motor output end.Multiple first stirring vanes are installed on the first agitating shaft, multiple second stirring vanes, the first stirring vane and the design interlaced with each other of the second stirring vane are installed on the second agitating shaft；The utility model improves mixing effect in crystallization kettle, reduces the incrustation of crystallization kettle inwall.
Description
Technical field
The utility model is related to phosphorous acid production equipment technical field, in particular to one kind in phosphorous acid production system
Crystallization kettle.
Background technology
Phosphorous acid is a kind of inorganic chemical industry raw material of highly acid, is widely used in the industries such as production agricultural chemicals, chemical industry, plastics,
It is the raw material for manufacturing phosphoric acid, it is also possible to make chemical reagent (examination mercury) reducing agent, is used as to manufacture stabilizer for plastics in plastics industry
Raw material, be also used for synthetic fiber industry, the raw materials for production such as machine phosphorus insecticide, phosphite, be additionally operable to show at production High-efficient Water
Agent ATMP.
The traditional processing technology of phosphorous acid is with phosphorus trichloride as primary raw material, through hydrolysis, de- HCL, crystallization, drying, bag
Dress, when product.But this method is high because of the primary raw material phosphorus trichloride price for using, conversion rate of products is low, therefore is produced into
This height, the market competitiveness is poor.
Therefore, have using dimethylphosphite vinasse to prepare phosphorous acid in the prior art, be directed to dense Asia
The crystallization process of phosphoric acid solution.Its mixing effect of crystallization kettle of the prior art is not good, usually influences phosphorous acid crystallization effect, together
When crystallization kettle inwall be also easy to produce crystallizing layer, it is impossible to fallen by agitator gear, it is of long duration after be accumulated in inwall into incrustation, influence crystallization
Kettle cools.
The content of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, there is provided the crystallization in a kind of production system for phosphorous acid
Kettle, improves mixing effect in crystallization kettle, reduces the incrustation of crystallization kettle inwall.
The utility model is in order to solve the above technical problems, the technical scheme for being used is：One kind produces system for phosphorous acid
Crystallization kettle in system, including for carrying out the crystallization kettle of crystallization operation to dense phosphorous acid solution；
The first agitating shaft and the second agitating shaft, the first agitating shaft input and driving wheel are provided with the crystallization kettle body
Output shaft is connected, and the second agitating shaft input is connected with driven pulley output shaft, and the driving wheel and driven pulley pass through belt
Connection, the driving wheel input is connected with motor output end；
Multiple first stirring vanes are installed on first agitating shaft, multiple second is provided with second agitating shaft
Stirring vane, first stirring vane and the design interlaced with each other of the second stirring vane.
Preferably, first agitating shaft and the second agitating shaft are parallel to each other and be vertically installed in crystallization kettle body, described
First stirring vane and the second stirring vane are horizontally disposed.
Preferably, the motor output shaft is connected with reductor input, and the output end of reducer is defeated with driving wheel
Enter axle connection.
Preferably, the first agitating shaft bottom is connected by shaft coupling with the 3rd agitating shaft, the 3rd agitating shaft table
Face is vertically provided with the first helical blade；The first agitating shaft bottom is connected by shaft coupling with the 4th agitating shaft, and the described 4th
Agitating shaft surface is vertically provided with the second helical blade.
Preferably, the two ends of the first stirring vane and the second stirring vane are zigzag.
The beneficial effects of the utility model：The utility model is substantially increased in crystallization kettle body by Double shaft stirring system
Mixing effect, while the design of auger causes that material is easily fed downwardly into discharging opening position, is further stirred for the saw of blade
The crystal that toothed design reduces crystallization kettle inwall condenses, convenient to scrape the crystal for crystallizing inner wall of kettle.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the crystallization kettle in production system for phosphorous acid；
In figure, crystallization kettle 1, the first agitating shaft 2, the first stirring vane 2.1, the second agitating shaft 3, the second stirring vane
3.1st, driving wheel 4, driven pulley 5, belt 6, motor 7, reductor 8, the 3rd agitating shaft 9, the first helical blade the 9.1, the 4th are stirred
Mix axle 10, the second helical blade 10.1, charging aperture 11, discharging opening 12.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the crystallization kettle in a kind of production system for phosphorous acid, including for being carried out to dense phosphorous acid solution
The crystallization kettle 1 of crystallization operation；
The first agitating shaft 2 and the second agitating shaft 3, the input of the first agitating shaft 2 and master are provided with the crystallization kettle 1
The output shaft of driving wheel 4 is connected, and the input of the second agitating shaft 3 is connected with the output shaft of driven pulley 5, the driving wheel 4 and driven pulley 5
Connected by belt 6, the input of the driving wheel 4 is connected with the output end of motor 7；
Multiple first stirring vanes 2.1 are installed on first agitating shaft 2, are provided with second agitating shaft 3 many
Individual second stirring vane 3.1, the design interlaced with each other of first stirring vane, 2.1 and second stirring vane 3.1.
Preferably, the agitating shaft 3 of first agitating shaft 2 and second it is parallel to each other and it is vertical be installed in crystallization kettle 1, institute
State the first stirring vane 2.1 and the second stirring vane 3.1 is horizontally disposed.Due to the first stirring vane 2.1 and the second paddle
The design interlaced with each other of piece 3.1, its is horizontally disposed can to cause that material obtains abundant shear agitation in the horizontal direction, and mixing effect is big
Big enhancing.
Preferably, the output shaft of the motor 7 is connected with the input of reductor 8, the output end of the reductor 8 and driving wheel
4 input shafts are connected.
Preferably, the bottom of the first agitating shaft 2 is connected by shaft coupling with the 3rd agitating shaft 9, the 3rd agitating shaft 9
Surface is vertically provided with the first helical blade 9.1；The bottom of first agitating shaft 2 is connected by shaft coupling with the 4th agitating shaft 10,
The surface of 4th agitating shaft 10 is vertically provided with the second helical blade 10.1.First helical blade 9.1 and the second helical blade
While 10.1 pairs of materials are stirred, moreover it is possible to convey material to discharging opening 12 downwards in vertical direction, accelerate discharge velocity.
Preferably, the two ends of the first stirring vane 2.1 and the second stirring vane 3.1 are zigzag.This design is reduced
The crystal of the crystallization inwall of kettle 1 condenses, convenient to scrape the crystal for crystallizing kettle 1 inwall.
The present embodiment operation principle is as follows：From distillation still discharging dense phosphorous acid solution from crystallization kettle 1 charging aperture 11
It is stirred into stirring system wherein, is then started, after stirring a period of time, is cooled down to water is passed through in chuck, is crystallized
Phosphorous acid slurries afterwards are discharged to subsequent processing from discharging opening 12.
Claims (5)
1. the crystallization kettle in a kind of production system for phosphorous acid, including for carrying out the knot of crystallization operation to dense phosphorous acid solution
Brilliant kettle（1）, it is characterised in that：
The crystallization kettle（1）Inside it is provided with the first agitating shaft（2）With the second agitating shaft（3）, first agitating shaft（2）Input
With driving wheel（4）Output shaft is connected, second agitating shaft（3）Input and driven pulley（5）Output shaft is connected, the driving wheel
（4）And driven pulley（5）By belt（6）Connection, the driving wheel（4）Input and motor（7）Output end is connected；
First agitating shaft（2）On multiple first stirring vanes are installed（2.1）, second agitating shaft（3）On be provided with
Multiple second stirring vanes（3.1）, first stirring vane（2.1）With the second stirring vane（3.1）Design interlaced with each other.
2. the crystallization kettle in the production system for phosphorous acid according to claim 1, it is characterised in that：First stirring
Axle（2）With the second agitating shaft（3）It is parallel to each other and be vertically installed on crystallization kettle（1）It is interior, first stirring vane（2.1）With
Second stirring vane（3.1）It is horizontally disposed.
3. the crystallization kettle in the production system for phosphorous acid according to claim 1, it is characterised in that：The motor
（7）Output shaft and reductor（8）Input is connected, the reductor（8）Output end and driving wheel（4）Input shaft is connected.
4. the crystallization kettle in the production system for phosphorous acid according to claim 1, it is characterised in that：First stirring
Axle（2）Bottom passes through shaft coupling and the 3rd agitating shaft（9）Connection, the 3rd agitating shaft（9）Surface is vertically provided with the first spiral
Blade（9.1）；First agitating shaft（2）Bottom passes through shaft coupling and the 4th agitating shaft（10）Connection, the 4th agitating shaft
（10）Surface is vertically provided with the second helical blade（10.1）.
5. the crystallization kettle in the production system for phosphorous acid according to claim 1, it is characterised in that：First stirring vane
（2.1）With the second stirring vane（3.1）Two ends be zigzag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621409425.9U CN206276059U (en) | 2016-12-21 | 2016-12-21 | For the crystallization kettle in phosphorous acid production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621409425.9U CN206276059U (en) | 2016-12-21 | 2016-12-21 | For the crystallization kettle in phosphorous acid production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206276059U true CN206276059U (en) | 2017-06-27 |
Family
ID=59073849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621409425.9U Active CN206276059U (en) | 2016-12-21 | 2016-12-21 | For the crystallization kettle in phosphorous acid production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206276059U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420479A (en) * | 2019-07-09 | 2019-11-08 | 长乐佳纶纺织实业有限公司 | A kind of dacron thread production is pre-crystallized to use ebullated bed |
| CN110433521A (en) * | 2019-08-23 | 2019-11-12 | 安徽广信农化股份有限公司 | A kind of KL540 crystallization apparatus |
| CN112221188A (en) * | 2020-08-20 | 2021-01-15 | 衡阳华宏化工实业有限公司 | Ammonium sulfate crystal cooling crystallization device |
-
2016
- 2016-12-21 CN CN201621409425.9U patent/CN206276059U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420479A (en) * | 2019-07-09 | 2019-11-08 | 长乐佳纶纺织实业有限公司 | A kind of dacron thread production is pre-crystallized to use ebullated bed |
| CN110433521A (en) * | 2019-08-23 | 2019-11-12 | 安徽广信农化股份有限公司 | A kind of KL540 crystallization apparatus |
| CN112221188A (en) * | 2020-08-20 | 2021-01-15 | 衡阳华宏化工实业有限公司 | Ammonium sulfate crystal cooling crystallization device |
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