CN201746319U - Hydrogenation reaction kettle for producing sodium hydride - Google Patents
Hydrogenation reaction kettle for producing sodium hydride Download PDFInfo
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- CN201746319U CN201746319U CN2010202638508U CN201020263850U CN201746319U CN 201746319 U CN201746319 U CN 201746319U CN 2010202638508 U CN2010202638508 U CN 2010202638508U CN 201020263850 U CN201020263850 U CN 201020263850U CN 201746319 U CN201746319 U CN 201746319U
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- pressure
- reaction kettle
- sodium hydride
- inlet pipe
- material inlet
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Abstract
The utility model discloses a hydrogenation reaction kettle for producing sodium hydride. The hydrogenation reaction kettle comprises a reaction kettle body, a stirrer and a transmission device, wherein the top of the reaction kettle body is provided with a material inlet pipe, and the bottom is provided with a material outlet pipe; the stirrer is arranged in the reaction kettle body; the transmission device is used for driving the stirrer; and the material inlet pipe of the reaction kettle is provided with a feed pressure balancing device. The feed pressure balancing device of the utility model ensures a balanced feed pressure, so that a hydrogenation reaction is balanced and stable, hydrogenation reaction effect is good and product quality is enhanced. The pressure does not need to be regulated by manual operation, so that the labor intensity of workers is lowered and production efficiency is improved.
Description
Technical field
The utility model relates to the chemical industry equipment field, relates in particular to a kind of hydrogenation still that is used to produce sodium hydride.
Background technology
Sodium hydride is a kind of pungent, and chemical reactivity is very high, can spontaneous combustion in damp atmosphere, and be heated or contact and promptly emit heat and hydrogen with moisture, acids, cause burning and blast, kickback can take place with oxygenant, cause burning or explode.Meet moisture and moisture and generate oxyhydroxide, corrodibility is very strong.Sodium hydride is used as condensing agent, reductive agent, alkylating reagent, catalyzer and Ke Laixun reagent etc. in organic synthesis; Also can be used for medicine, spices, agricultural chemicals, fuel, whitening agent and polymer industry etc.The preparation of sodium hydride is that sodium Metal 99.5 is put in the middle of the high boiling oil, and the fusing that heats up feeds hydrogen then and makes its reaction generate sodium hydride, and reaction equation is: 2Na+H
2=2NaH.
The reaction of preparation sodium hydride is a hydrogenation, the used reaction vessel of hydrogenation is the hydrogenation still, reaction process is for putting into sodium Metal 99.5 in the middle of the high boiling oil in the hydrogenation still, heat up earlier and melt, feed hydrogen from the vertical material inlet pipe of reactor then and make its reaction generate sodium hydride.Because the character of sodium own is very active, and chemical reaction takes place easily, therefore in hydrogenation, answer the add-on of strict control hydrogen, with controls reaction speed, to avoid security incidents such as blast.The hydrogen feed pressure that a best is arranged in the process of industrial production sodium hydride: 0.3MPa, existing hydrogenation still is controlled feed pressure by manual operation, make hydrogen pressure remain on optimum value as far as possible, but in the actual production, speed of response all is different along with variation of temperature and at different duration of response, so the control difficulty of hydrogen pressure is bigger, and labour intensity is also very big, careless slightlyly deviation and security incident will occur.
Summary of the invention
Technical problem to be solved in the utility model is: at the deficiency that prior art exists, provide a kind of simple to operate, safety coefficient is high and the hydrogenation isostatic is used to produce the hydrogenation still of sodium hydride.
For solving the problems of the technologies described above, the technical solution of the utility model is:
Be used to produce the hydrogenation still of sodium hydride, comprise that the top is provided with the material inlet pipe and the bottom is provided with the reaction kettle body that material goes out pipe, be arranged at the intravital agitator of described reactor, with the transmission mechanism that is used for driving described agitator, the material inlet pipe of described reactor is provided with the feed pressure equilibrator.
Wherein, described feed pressure equilibrator comprises pressure regulating device and pressure transmission device, described pressure regulating device is installed on the described material inlet pipe, and an end of described pressure transmission device is communicated with described pressure regulating device, and the other end is communicated with the inner chamber of described reactor.
Described pressure regulating device is the self-contained pressure regulator that is installed on the described material inlet pipe; Described pressure transmission device is the pressure transmission line that is communicated between described self-contained pressure regulator and the described reactor inner chamber.
As a kind of improvement, the top of described reactor is provided with standby material inlet pipe.
As further improvement, the outer wall of described reaction kettle body is provided with the temperature adjustment chuck, and the top is provided with pressure display unit.
Owing to adopted technique scheme, the beneficial effects of the utility model are:
1, hydrogenation still of the present utility model is provided with the feed pressure equilibrator on the material inlet pipe, guaranteed the isostatic feed pressure, therefore hydrogenation is steadily balanced, hydrogenation is effective, quality product improves, owing to do not need manual operation to regulate pressure, reduced labor strength, improved production efficiency.
2, the utility model is provided with standby material inlet pipe at the top of reactor, during charging or need not use the feed pressure equilibrator time, can use standby material inlet pipe in beginning, can not influence ordinary production.
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. reaction kettle body; 11. material inlet pipe; 12. material goes out pipe; 13. standby material inlet pipe; 14. temperature adjustment chuck; 15. pressure display unit; 2. agitator; 3. transmission mechanism; 4. feed pressure equilibrator; 41. self-contained pressure regulator; 42. pressure transmission line.
Embodiment
As shown in drawings, be used to produce the hydrogenation still of sodium hydride, comprise that the top is provided with material inlet pipe 11, standby material inlet pipe 13, the bottom is provided with material and goes out pipe 12, outer wall is provided with the reaction kettle body 1 that temperature adjustment chuck 14 and top are provided with pressure display unit 15, be arranged at the agitator 2 in the described reaction kettle body 1, with the transmission mechanism 3 that is used for driving described agitator 2, the material inlet pipe 11 of described reactor is provided with feed pressure equilibrator 4, described feed pressure equilibrator 4 comprises self-contained pressure regulator 41 and pressure transmission line 42, described self-contained pressure regulator 41 is installed on the described material inlet pipe 11, one end of described pressure transmission line 42 is communicated with described self-contained pressure regulator 41, and the other end is communicated with the inner chamber of described reactor.
The utility model is when work, earlier sodium Metal 99.5 is put in the middle of the high boiling oil in the hydrogenation still, fusing heats up, feed hydrogen from reaction kettle body 1 vertical material inlet pipe 11 then, in the hydrogenation still, carry out hydrogenation, agitator 2 stirs material under the drive of transmission mechanism 3, promote reaction evenly, reaction is thermopositive reaction, utilize temperature adjustment chuck 14 control reaction temperature, the pressure that pressure display unit 15 shows in the hydrogenation reactor, feed pressure in the reactor is sent on the self-contained pressure regulator 41 by pressure transmission line 42, by the aperture size that self-contained pressure regulator 41 is regulated in the variation of pressure, reach the purpose of regulating feed pressure.During charging or need not use feed pressure equilibrator 4 time, can use standby material inlet pipe 14 chargings in beginning.The sodium hydride that hydrogenation is finished goes out pipe 12 from the material that is positioned at reaction kettle body 1 bottom and discharges.
Claims (5)
1. be used to produce the hydrogenation still of sodium hydride, comprise that the top is provided with the material inlet pipe and the bottom is provided with the reaction kettle body that material goes out pipe, be arranged at the intravital agitator of described reactor, transmission mechanism with being used for driving described agitator is characterized in that: the material inlet pipe of described reactor is provided with the feed pressure equilibrator.
2. the hydrogenation still that is used to produce sodium hydride as claimed in claim 1, it is characterized in that: described feed pressure equilibrator comprises pressure regulating device and pressure transmission device, described pressure regulating device is installed on the described material inlet pipe, one end of described pressure transmission device is communicated with described pressure regulating device, and the other end is communicated with the inner chamber of described reactor.
3. the hydrogenation still that is used to produce sodium hydride as claimed in claim 2 is characterized in that: described pressure regulating device is the self-contained pressure regulator that is installed on the described material inlet pipe; Described pressure transmission device is the pressure transmission line that is communicated between described self-contained pressure regulator and the described reactor inner chamber.
4. the hydrogenation still that is used to produce sodium hydride as claimed in claim 2 is characterized in that: the top of described reactor is provided with standby material inlet pipe.
5. the hydrogenation still that is used to produce sodium hydride as claimed in claim 2, it is characterized in that: the outer wall of described reaction kettle body is provided with the temperature adjustment chuck, and the top is provided with pressure display unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202638508U CN201746319U (en) | 2010-07-15 | 2010-07-15 | Hydrogenation reaction kettle for producing sodium hydride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202638508U CN201746319U (en) | 2010-07-15 | 2010-07-15 | Hydrogenation reaction kettle for producing sodium hydride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201746319U true CN201746319U (en) | 2011-02-16 |
Family
ID=43580997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202638508U Expired - Fee Related CN201746319U (en) | 2010-07-15 | 2010-07-15 | Hydrogenation reaction kettle for producing sodium hydride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201746319U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264990A (en) * | 2013-05-15 | 2013-08-28 | 浙江大学 | Method for preparing alkali metal hydride through liquid-phase ball milling |
| CN106311082A (en) * | 2015-06-29 | 2017-01-11 | 中昊晨光化工研究院有限公司 | Mechanical sealed balance tank auxiliary structure applied to reactor |
-
2010
- 2010-07-15 CN CN2010202638508U patent/CN201746319U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264990A (en) * | 2013-05-15 | 2013-08-28 | 浙江大学 | Method for preparing alkali metal hydride through liquid-phase ball milling |
| CN106311082A (en) * | 2015-06-29 | 2017-01-11 | 中昊晨光化工研究院有限公司 | Mechanical sealed balance tank auxiliary structure applied to reactor |
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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: 20110216 Termination date: 20130715 |