CN2820272Y - Hydrazinehydrate oxidizing liquid concentration crystallizing still - Google Patents
Hydrazinehydrate oxidizing liquid concentration crystallizing still Download PDFInfo
- Publication number
- CN2820272Y CN2820272Y CN 200520035202 CN200520035202U CN2820272Y CN 2820272 Y CN2820272 Y CN 2820272Y CN 200520035202 CN200520035202 CN 200520035202 CN 200520035202 U CN200520035202 U CN 200520035202U CN 2820272 Y CN2820272 Y CN 2820272Y
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- Prior art keywords
- kettle
- hydrazine hydrate
- built
- condensing crystallizing
- crystallizing still
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- Expired - Fee Related
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- Physical Or Chemical Processes And Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a concentration crystal kettle for hydrazine hydrate oxydic liquid, which comprises a kettle cover, a kettle body, a discharge valve arranged at the bottom part of the kettle body, a built-in coil pipe with a cooling liquid inlet and a gas outlet, a crystalloid processing device arranged on the built-in coil pipe, and a stirring device arranged in the kettle body. The utility model has the further improvement that the outer side of the kettle body is also provided with a jacket with a cooling liquid inlet and a gas outlet, and the jacket can be filled with cooling liquid. The utility model has the characteristics of good production continuity, fast crystal speed and good effect of crystalloid collection.
Description
Technical field
The utility model relates to a kind of crystallization apparatus, particularly is applied to the crystallization apparatus of hydrazine hydrate oxidation liquid.
Background technology
The device of separating out crystal by liquid refrigerating is a lot, usually all adopt external cooling or inner-cooling structure mode, produce in the process of hydrazine hydrate at urea method, adopt the external cooling crystallization kettle to exist cold damage big, the cold insulation difficulty, crystallization rate is slow, and increase equipment investment and floor space big, number of devices shortcomings such as particularly pressure vessel quantity is many, and management difficulty is big; Though adopt the cold damage of the crystallization kettle of built-in coil pipe cooling structure little, crystallization rate is very fast, the crystal of separating out stops solution to be continued cooling easily attached to the surface of tubulation, and the continuity of production is relatively poor, and crystal easily collecting not.
The utility model content
The purpose of this utility model provides a kind of hydrazine hydrate oxidation liquid condensing crystallizing still that the production continuity is good, crystallization rate fast, the crystal collecting effect is good that has.
For achieving the above object, hydrazine hydrate oxidation liquid condensing crystallizing still of the present utility model, comprise kettle cover, kettle, be installed in autoclave body bottom baiting valve, have the built-in coil pipe of cooling liquid inlet and gas vent, and the agitating device in the kettle, the vertical tubulation of built-in coil pipe is provided with the crystal treating apparatus, it comprises the float that is set in every anchor ear on the vertical tubulation and is attached thereto, and can slide on vertical tubulation.
Adopt said structure, crystal treating apparatus on every vertical tubulation all floats on the solution face, when producing rotation under the effect of solution at agitating device and fluctuating up and down, the crystal treating apparatus can will be disposed attached to the crystalline solid on the vertical tubulation, strengthen refrigeration, the continuity of guarantee producing, and crystal easily collecting more.
On above-mentioned kettle, also be provided with liquid level gauge, be used to observe the position of solution in the still;
As further improvement of the utility model, also be provided with the chuck of band cooling liquid inlet and gas vent in the described kettle outside, can in chuck, charge into cooling fluid, further strengthen refrigeration, accelerate crystallization rate; And on above-mentioned chuck, be provided with temperature-measuring port, be used to detect the temperature in the chuck;
Further improve as of the present utility model, the bottom of this kettle is a cone, because the collecting action of cone, has guaranteed that the crystalline solid that scrapes on the tubulation assembles to autoclave body bottom, is convenient to discharge through baiting valve.
In sum, the utlity model has the characteristics that the production continuity is good, crystallization rate fast, the crystal collecting effect is good.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the front view of the utility model embodiment.
The specific embodiment
By shown in Figure 1, hydrazine hydrate oxidation liquid condensing crystallizing still of the present utility model comprises kettle cover 1, kettle 2, be installed in the baiting valve 4 of kettle 2 bottoms, have cooling liquid inlet 10 and gas vent 11 built-in coil pipe 7, be arranged on crystal treating apparatus 5 on the built-in coil pipe 7 and the agitating device 3 in the kettle 2, wherein, kettle 2 is provided with on-the-spot liquid level gauge 9, is used to observe whether liquid level is in the normal range (NR) in the still; Also be provided with the chuck 6 of band cooling liquid inlet 12 and gas vent 13 in kettle 2 outsides, high workload liquid level in the height of chuck 6 and the crystallization kettle is complementary, its cooling liquid inlet 12 is positioned at the bottom of chuck 6, gas vent 13 is positioned at the top of a relative side, be convenient to reach best cooling effect, also be provided with temperature-measuring port 8 on the chuck 6; The bottom of kettle 2 is the arc cone, and baiting valve 4 is arranged on the below of cone; The built-in coil pipe 7 that is fixed in the still comprises circular upper and lower trunk line 16,17 and organizes vertical tubulation more, upper and lower trunk line 16,17 is respectively arranged with a gas vent 11 and cooling liquid inlet 10, and the many group vertical tubulations of upper and lower trunk line 16,17 by three one group link to each other and communicate; The crystal treating apparatus 5 that is provided with on the tubulation comprise be set in every on the vertical tubulation anchor ear 15 and the float 14 that three anchor ears on one group of vertical tubulation are connected as one; Agitating device 3 in the kettle 2 is positioned at circular built-in coil pipe center, goes up with the reaction lid to be connected, and is connected with kettle down, adopts shaft coupling to connect with motor reducer, and packing seal is adopted in sealing.
The utility model is not limited to above-mentioned embodiment; for example; the quantity of every group of tubulation can be different; the version of agitating device can be varied; it is regional changeable that chuck covers; cooling liquid inlet and gas export volume and position also can change, and the crystallization kettle that no matter do any variation on its shape and structure, every agitating device is set in still, the crystal treating apparatus is set on built-in coil pipe all falls in the protection domain of the present utility model.
Claims (6)
1. hydrazine hydrate oxidation liquid condensing crystallizing still, comprise kettle cover, kettle, be installed in the baiting valve of autoclave body bottom, the agitating device in the built-in coil pipe that has cooling liquid inlet and gas vent, kettle, it is characterized in that on the vertical tubulation of built-in coil pipe, also being provided with the crystal treating apparatus, it comprises the float that is set in every anchor ear on the vertical tubulation and is attached thereto, and can slide on vertical tubulation.
2. hydrazine hydrate oxidation liquid condensing crystallizing still according to claim 1 is characterized in that being provided with liquid level gauge on kettle.
3. hydrazine hydrate oxidation liquid condensing crystallizing still according to claim 1 and 2 is characterized in that also being provided with the chuck of being with cooling liquid inlet and gas vent in the described kettle outside.
4. hydrazine hydrate oxidation liquid condensing crystallizing still according to claim 3 is characterized in that being provided with temperature-measuring port on described chuck.
5. hydrazine hydrate oxidation liquid condensing crystallizing still according to claim 4, the bottom that it is characterized in that described kettle is a cone.
6. hydrazine hydrate oxidation liquid condensing crystallizing still according to claim 1 and 2, the bottom that it is characterized in that described kettle is a cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035202 CN2820272Y (en) | 2005-08-19 | 2005-08-19 | Hydrazinehydrate oxidizing liquid concentration crystallizing still |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035202 CN2820272Y (en) | 2005-08-19 | 2005-08-19 | Hydrazinehydrate oxidizing liquid concentration crystallizing still |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2820272Y true CN2820272Y (en) | 2006-09-27 |
Family
ID=37016821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520035202 Expired - Fee Related CN2820272Y (en) | 2005-08-19 | 2005-08-19 | Hydrazinehydrate oxidizing liquid concentration crystallizing still |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2820272Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480600B (en) * | 2008-12-30 | 2011-04-13 | 江苏远洋化学有限公司 | Combined construction of reactor and cold separation pot for producing amino acid product |
| CN103239886A (en) * | 2013-05-20 | 2013-08-14 | 无锡市华立石化工程有限公司 | Multifunctional heat exchanging device of crystallizing kettle |
| CN103801106A (en) * | 2012-11-02 | 2014-05-21 | 中国石油化工集团公司 | Sleeve type crystallizer |
-
2005
- 2005-08-19 CN CN 200520035202 patent/CN2820272Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480600B (en) * | 2008-12-30 | 2011-04-13 | 江苏远洋化学有限公司 | Combined construction of reactor and cold separation pot for producing amino acid product |
| CN103801106A (en) * | 2012-11-02 | 2014-05-21 | 中国石油化工集团公司 | Sleeve type crystallizer |
| CN103801106B (en) * | 2012-11-02 | 2015-11-25 | 中国石油化工集团公司 | A kind of extension type crystallizer |
| CN103239886A (en) * | 2013-05-20 | 2013-08-14 | 无锡市华立石化工程有限公司 | Multifunctional heat exchanging device of crystallizing kettle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: YIBIN TIANYUAN GROUP CO., LTD. Free format text: FORMER NAME OR ADDRESS: YIBIN TIANYUAN CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Lower Jiangbei, Yibin City, Sichuan Province, China: 644004 Patentee after: YiBin TianYuan Group Co., Ltd. Address before: Lower Jiangbei, Yibin City, Sichuan Province, China: 644000 Patentee before: Tianyuan Co., Ltd., Yibin City |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060927 Termination date: 20130819 |