CN205435684U - Dinitrile hydrogenation device - Google Patents
Dinitrile hydrogenation device Download PDFInfo
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- CN205435684U CN205435684U CN201620231849.4U CN201620231849U CN205435684U CN 205435684 U CN205435684 U CN 205435684U CN 201620231849 U CN201620231849 U CN 201620231849U CN 205435684 U CN205435684 U CN 205435684U
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- hydrogenation reaction
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Abstract
Dinitrile hydrogenation device belongs to chemical industry equipment technical field, and including the hydrogenation cauldron, the hydrogenation cauldron includes barrel and the upper cover, the low head that are located the barrel both ends: the upper cover is equipped with into hydrogen mouth and feed inlet, and the low head is equipped with the discharge gate, and the discharge gate of hydrogenation cauldron is linked together with the feed inlet of settling cask, the settling cask includes the feed inlet, goes out catalyst mouth and diamine export, and the feed inlet of settling cask and the discharge gate of hydrogenation cauldron are linked together, and the diamine export of settling cask is linked together with the feed inlet of diamine storage tank, and the catalyst mouth that the jar was prepared to the play catalyst mouth and the catalyst of settling cask is linked together, the catalyst is prepared the jar and is included into the dinitrile mouth, is advanced the catalyst mouth, is added catalyst mouth and discharge gate, and the discharge gate that the catalyst was prepared jar is linked together with the feed inlet of hydrogenation cauldron. It can improve catalyst utilization efficiency, practice thrift the cost, reduce the energy consumption to utilize this device to carry out hydrogenation to improve enterprise's overall efficiency.
Description
Technical field
This utility model belongs to technical field of chemical, is specifically related to a kind of dinitrile hydrogenation reaction device.
Background technology
Polyamide (being commonly called as: nylon) is one of five large-engineering plastics, and it is to be obtained by polycondensation reaction by amine and acid, and wherein the synthetic method of amine is: ammonia first occurs aminating reaction with acid, generates intermediate product nitrile, and nitrile obtains amine with hydrogen generation hydrogenation reaction again；Therefore, hydrogenation reaction has consequence in nylon industry.As the essential step of synthesis amine, the hydrogenation reaction of nitrile has very important significance；But, after the completion of reaction, catalyst can flow out together along with the amine generated, this just necessarily affects the utilization rate of catalyst, causes the waste of catalyst, reduces formation efficiency, catalyst is expensive, thus improves production cost, has a strong impact on the overall efficiency of enterprise.
Summary of the invention
The purpose of this utility model is to provide a kind of dinitrile hydrogenation reaction device that can improve catalyst utilization.
Based on above-mentioned purpose, this utility model takes techniques below scheme: dinitrile aminating reaction device, and including hydrogenation reaction kettle, described hydrogenation reaction kettle includes cylinder and is positioned at the upper cover at cylinder two ends, low head, upper cover is provided with into hydrogen mouth and charging aperture, and low head is provided with discharging opening；The discharging opening of described hydrogenation reaction kettle is connected with the charging aperture of settling tank, and the charging aperture of hydrogenation reaction kettle is connected with the discharging opening of catalyst preparation tank, and the hydrogen mouth that enters of hydrogenation reaction kettle is connected with the gas outlet of hydrogen gas tank.
Described settling tank includes charging aperture, goes out catalyst mouth and go out diamine mouth, the charging aperture of settling tank is connected with the discharging opening of hydrogenation reaction kettle, the diamine mouth that goes out of settling tank is connected with the charging aperture of diamine storage tank, and the catalyst mouth that goes out of settling tank is connected with the catalyst mouth that enters of catalyst preparation tank.
Described catalyst preparation tank includes into catalyst mouth, charging aperture, adds catalyst mouth and discharging opening, the discharging opening of catalyst preparation tank is connected with the charging aperture of hydrogenation reaction kettle, and the catalyst mouth that enters of catalyst preparation tank is connected with the catalyst mouth that goes out of settling tank.
Compared with prior art, the beneficial effects of the utility model are: connect a settling tank and catalyst preparation tank outside hydrogenation reaction kettle, after terminating hydrogenation reaction, the material obtained flows in settling tank together with catalyst, stands, and separates, the amine aqueous solution on upper strata can flow in diamine storage tank, the catalyst of lower floor can flow into continue reaction in hydrogenation reactor, in inflow catalyst preparing tank, to mix with dinitrile.Utilize this device to carry out hydrogenation reaction and can improve catalyst utilization, cost-effective, reduction energy consumption, thus improve enterprise's overall efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
nullDinitrile hydrogenation reaction device，As shown in Figure 1，Including hydrogenation reaction kettle 1、Hydrogen gas tank 2、Settling tank 3、Catalyst preparation tank 4、Dinitrile storage tank 5 and diamine storage tank 6，Described hydrogenation reaction kettle 1 includes cylinder 7 and is positioned at upper cover 8 and the low head 9 at cylinder 7 two ends，Upper cover 8 is provided with into hydrogen mouth 10、Charging aperture 11，The described hydrogen mouth 10 that enters is connected with the gas outlet 12 of hydrogen gas tank 2，Charging aperture 11 is connected with the discharging opening 19 of catalyst preparation tank 4，Low head 9 is provided with discharging opening 13，Described discharging opening 13 is connected with the charging aperture 14 of settling tank 3，The diamine outlet 15 of described settling tank 3 is connected with the inlet 16 of diamine storage tank 6，The catalyst mouth 17 that goes out of described settling tank 3 is connected with the catalyst mouth 18 that enters of catalyst preparation tank 4，The discharging opening 19 of described catalyst preparation tank 4 is connected with the charging aperture 11 of hydrogenation reaction kettle 1，The dinitrile charging aperture 20 of described catalyst preparation tank 4 is connected with the gas outlet 21 of hydrogen gas tank 2，The catalyst mouth 22 of adding of described catalyst preparation tank 4 is then when tank inner catalyst deficiency，Catalyst can be added wherein by this mouth.
Its work process is: after hydrogenation reaction terminates, catalyst flows out from the discharging opening 13 of hydrogenation reaction kettle 1 with the diamine of generation, enter in settling tank 3 and settle, then, diamine can be by the diamine outlet 15 entrance diamine storage tank 6 of settling tank 3, catalyst then enters in catalyst preparation tank 4 by the catalyst mouth 17 that goes out of settling tank 3, mixing with the dinitrile flowed into by the dinitrile charging aperture 20 on catalyst preparation tank 4, the mixture obtained is squeezed into by the discharging opening 19 of catalyst preparation tank 4 and is continued reaction in hydrogenation reaction kettle 1.Utilize this device to carry out hydrogenation reaction and can improve catalyst utilization, cost-effective, reduction energy consumption, thus improve enterprise's overall efficiency.
Claims (3)
1. dinitrile hydrogenation reaction device, including hydrogenation reaction kettle, it is characterised in that described hydrogenation reaction kettle includes cylinder and is positioned at the upper cover at cylinder two ends, low head, and upper cover is provided with into hydrogen mouth and charging aperture, and low head is provided with discharging opening；The discharging opening of described hydrogenation reaction kettle is connected with the charging aperture of settling tank, and the charging aperture of hydrogenation reaction kettle is connected with the discharging opening of catalyst preparation tank, and the hydrogen mouth that enters of hydrogenation reaction kettle is connected with the gas outlet of hydrogen gas tank.
2. dinitrile hydrogenation reaction device as claimed in claim 1, it is characterized in that, described settling tank includes charging aperture, goes out catalyst mouth and go out diamine mouth, the charging aperture of settling tank is connected with the discharging opening of hydrogenation reaction kettle, the diamine mouth that goes out of settling tank is connected with the charging aperture of diamine storage tank, and the catalyst mouth that goes out of settling tank is connected with the catalyst mouth that enters of catalyst preparation tank.
3. dinitrile hydrogenation reaction device as claimed in claim 2, it is characterized in that, described catalyst preparation tank includes into catalyst mouth, charging aperture, adds catalyst mouth and discharging opening, the discharging opening of catalyst preparation tank is connected with the charging aperture of hydrogenation reaction kettle, and the catalyst mouth that enters of catalyst preparation tank is connected with the catalyst mouth that goes out of settling tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620231849.4U CN205435684U (en) | 2016-03-24 | 2016-03-24 | Dinitrile hydrogenation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620231849.4U CN205435684U (en) | 2016-03-24 | 2016-03-24 | Dinitrile hydrogenation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205435684U true CN205435684U (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620231849.4U Active CN205435684U (en) | 2016-03-24 | 2016-03-24 | Dinitrile hydrogenation device |
Country Status (1)
| Country | Link |
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| CN (1) | CN205435684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111233703A (en) * | 2020-02-24 | 2020-06-05 | 山东金石新材料有限公司 | Primary diamine production equipment and method for producing primary diamine by adopting same |
-
2016
- 2016-03-24 CN CN201620231849.4U patent/CN205435684U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111233703A (en) * | 2020-02-24 | 2020-06-05 | 山东金石新材料有限公司 | Primary diamine production equipment and method for producing primary diamine by adopting same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |