CN212120022U - Continuous regeneration system of hydration reaction catalyst for cyclohexanol production - Google Patents
Continuous regeneration system of hydration reaction catalyst for cyclohexanol production Download PDFInfo
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- CN212120022U CN212120022U CN202020365650.7U CN202020365650U CN212120022U CN 212120022 U CN212120022 U CN 212120022U CN 202020365650 U CN202020365650 U CN 202020365650U CN 212120022 U CN212120022 U CN 212120022U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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- Y02P20/584—Recycling of catalysts
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Abstract
The utility model discloses a cyclohexanol production is with continuous regeneration system of hydration reaction catalyst, including the hydration reactor, hydration reactor catalyst collecting pipe, the catalyst regeneration jar, the washing jar, micro porous filter and regenerated catalyst holding vessel, wherein, the catalyst thick liquid that is collected by the hydration reactor catalyst collecting pipe who is connected with the hydration reactor gets into in the catalyst regeneration jar and gets rid of the oil that smugglies secretly and dissolve, then get into the washing jar through the force (forcing) pump and carry out and filter after the first washing again gets into micro porous filter, the regenerated catalyst who obtains after the filtration gets into the washing jar and carries out in the fourth pipeline that the secondary water washing jar top is connected gets into the regenerated catalyst holding vessel, the regenerated catalyst gets into the hydration reactor by the regenerated catalyst holding vessel, thereby realize the continuous regeneration of hydration reaction catalyst. The utility model discloses simple structure, easily operation can effectively retrieve the catalyst, makes catalyst ability circulation continuous regeneration.
Description
Technical Field
The utility model relates to a invention reaches cyclohexanol production technical field, concretely relates to cyclohexanol production is with hydration reaction catalyst continuous regeneration system.
Background
In the production process of cyclohexanol, due to the instability of operation and the solubility of catalyst, a part of catalyst in the hydration reactor is lost, which results in high production cost of cyclohexanol, so that the regeneration and recovery of the hydration catalyst for cyclohexanol production is urgent.
At present, no regeneration system which can be effectively applied to a hydration reaction catalyst exists in cyclohexanol production.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the catalyst runs off in the cyclohexanol production process, the utility model aims at providing a hydration reaction catalyst continuous regeneration system is used in cyclohexanol production, can effectively retrieve the catalyst, makes the catalyst can circulate continuous regeneration, greatly reduced manufacturing cost.
Based on the above-mentioned purpose, the utility model discloses the technical scheme who adopts is:
a hydration reaction catalyst continuous regeneration system for cyclohexanol production comprises a hydration reactor, a hydration reactor catalyst collecting pipe, a catalyst regeneration tank and a water washing tank, microporous filter and regenerated catalyst holding vessel, the export of hydration reactor passes through the import of pipeline with hydration reactor catalyst collecting pipe and links to each other, the export of hydration reactor catalyst collecting pipe passes through the import of pipeline with the catalyst regeneration jar and links to each other, the washing jar is equipped with first import, second import and first export, the second export, the export of catalyst regeneration jar passes through the pipeline and the first import of washing jar links to each other, the first export of washing jar passes through the import of pipeline and microporous filter and links to each other, microporous filter's export passes through the pipeline and the second import of washing jar links to each other, the second export of washing jar passes through the import of pipeline and regenerated catalyst holding vessel and links to each other, the export of regenerated catalyst holding vessel passes through the import of pipeline and hydration reactor and links to each other.
Furthermore, stirrers are arranged in the catalyst regeneration tank, the water washing tank and the regenerated catalyst storage tank, and each stirrer consists of a stirring shaft extending into the tank body and a motor driving the stirring shaft to rotate.
Furthermore, a heating device for heating the catalyst slurry is arranged in the catalyst regeneration tank, the heating device comprises a spiral steam heating pipe arranged in the catalyst regeneration tank, and steam in the steam heating pipe is provided by a steam generator.
Furthermore, the microporous filter is provided with a water inlet connected with the backwashing pipe and a sewage outlet connected with the sewage discharge pipe.
Furthermore, one side of the catalyst regeneration tank is provided with an oxidant storage tank for feeding oxidant into the catalyst regeneration tank.
Furthermore, a pressure pump is arranged on a pipeline between the catalyst regeneration tank and the water washing tank.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a catalyst regeneration jar regenerates the catalyst that has reacted to wash through the washing jar and filter the back with microporous filter, can retrieve regenerated catalyst in succession and drop into hydration reactor again and participate in the reaction, production efficiency is high, and greatly reduced the manufacturing cost of production cyclohexanol, energy-concerving and environment-protective. And simultaneously, the utility model discloses mainly constitute the device and only include catalyst regeneration tank, washing jar, micro porous filter and regenerated catalyst holding vessel, simple structure, easily operation.
The utility model discloses a be provided with heating device in the catalyst regeneration jar, can get rid of the oil that smugglies and dissolve in the catalyst thick liquid, then the catalyst gets into washing jar washing for the first time, and adds the oxidant through the oxidant basin in to washing jar, can effectively decompose and detach the adnexed organic matter on the catalyst, can further detach the adnexed organic matter on the catalyst through microporous filter, the catalyst after the filtration gets into washing jar again and carries out the washing for the second time to effectively retrieve the catalyst;
the steam heating pipe in the utility model is spiral, the heating is even, the stirring of the stirrer is not influenced, under the stirring action of the stirring shaft, the catalyst slurry is extruded from the spiral gap of the steam heating pipe, the stirring action is strengthened, and the catalyst slurry is rapidly heated, so that the oil content which is carried and dissolved in the catalyst slurry is effectively removed; the utility model provides a be provided with backwash pipe and blow off pipe on the microporous filter, can in time carry out the back flush to microporous filter, guarantee microporous filter normal work, and then make the utility model discloses the working process is more stable.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1. hydration reactor catalyst collecting pipe, 2, catalyst regeneration tank, 3, water washing tank, 4, microporous filter, 5, regenerated catalyst storage tank, 6, oxidant storage tank, 7, backwash pipe, 8, steam heating pipe, 9, blow-off pipe, 10, hydration reactor, 11, pressure pump, 12, stirrer, 1201, stirring shaft, 1202 and motor.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, and the present embodiment is based on the technical solution of the present invention and provides a detailed implementation and a specific operation process, but the present invention is not limited to the following embodiments.
Example 1
The utility model provides a cyclohexanol production is with continuous regeneration system of hydration reaction catalyst, as shown in figure 1, including hydration reactor 10, hydration reactor catalyst collecting pipe 1, catalyst regeneration jar 2, wash jar 3, micro-porous filter 4 and regenerated catalyst holding vessel 5, the export of hydration reactor 10 passes through the import of pipeline and hydration reactor catalyst collecting pipe 1 and links to each other, the export of hydration reactor catalyst collecting pipe 1 passes through the import of first pipeline and catalyst regeneration jar 2 and links to each other, it is first that wash jar 3 top is equipped with, the second import, wash jar 3 bottom is equipped with first export, wash jar 3 top is equipped with the second export, the export of catalyst regeneration jar 2 passes through the pipeline and wash jar 3 first import and links to each other, and be equipped with force (forcing) pump 11 on the pipeline of connecting catalyst regeneration jar 2 and wash jar 3.
The first export of washing jar 3 links to each other through the import of second pipeline and microporous filter 4, and the export of microporous filter 4 links to each other through the second import of third pipeline and washing jar 3, and the second export of washing jar 3 links to each other through the import of fourth pipeline and regenerated catalyst holding vessel 5, and the export of regenerated catalyst holding vessel 5 links to each other through the import of fifth pipeline and hydration reactor 10.
In this embodiment, the catalyst regeneration tank 2, the water washing tank 3, and the regenerated catalyst storage tank 5 are all provided with stirrers 12 having the same structural shape, and each stirrer 12 is composed of a stirring shaft 1201 extending into the tank body and a motor 1202 driving the stirring shaft 1201 to rotate.
The catalyst regeneration tank 2 is internally provided with a heating device for heating the catalyst slurry, the heating device comprises a spiral steam heating pipe 8 arranged in the catalyst regeneration tank 2, and steam (230 ℃) in the steam heating pipe 8 is provided by a steam generator.
In the embodiment, the microporous filter 4 is provided with a water inlet connected with the backwashing pipe 7 and a sewage outlet connected with the sewage outlet pipe 9, and the pore size of the microporous filter 4 is 0.2-0.8 μm.
And an oxidant storage tank 6 for feeding an oxidant into the catalyst regeneration tank 2 is arranged at one side of the catalyst regeneration tank 2.
During the use, catalyst (catalyst is sodium aluminosilicate) thick liquid that the hydration reactor catalyst collecting pipe 1 that is connected with hydration reactor 10 collected gets into catalyst regeneration jar 2 in through first pipeline and gets rid of the oil content of smuggleing secretly and dissolving, then get into wash jar 3 through force (forcing) pump 11 and carry out first time wash and get into microporous filter 4 through the second pipeline after getting into, the regenerated catalyst who obtains after filtering gets into wash jar 3 by the third pipeline and carries out the secondary wash and then get into in regenerated catalyst storage tank 5 through the fourth pipeline of being connected with wash jar 3 top, the regenerated catalyst gets into hydration reactor 10 through the fifth pipeline by regenerated catalyst storage tank 5 to realize hydration reaction catalyst continuous regeneration, be provided with the heating device who is used for heating catalyst thick liquid in the catalyst regeneration jar 2, one side of catalyst regeneration jar 2 is provided with the oxidant that sends into the oxidant through the sixth pipeline to catalyst regeneration jar 2 The storage tank 6 and the oxidant storage tank 6 are filled with 30wt% of hydrogen peroxide.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating but not limiting the technical solution of the present invention, and any equivalent replacement and modification or partial replacement which do not depart from the spirit and scope of the present invention should be covered within the protection scope of the claims of the present invention.
Claims (6)
1. A hydration reaction catalyst continuous regeneration system for cyclohexanol production is characterized in that: comprises a hydration reactor, a hydration reactor catalyst collecting pipe, a catalyst regeneration tank and a water washing tank, microporous filter and regenerated catalyst holding vessel, the export of hydration reactor passes through the import of pipeline with hydration reactor catalyst collecting pipe and links to each other, the export of hydration reactor catalyst collecting pipe passes through the import of pipeline with the catalyst regeneration jar and links to each other, the washing jar is equipped with first import, second import and first export, the second export, the export of catalyst regeneration jar passes through the pipeline and the first import of washing jar links to each other, the first export of washing jar passes through the import of pipeline and microporous filter and links to each other, microporous filter's export passes through the pipeline and the second import of washing jar links to each other, the second export of washing jar passes through the import of pipeline and regenerated catalyst holding vessel and links to each other, the export of regenerated catalyst holding vessel passes through the import of pipeline and hydration reactor and links to each other.
2. The system for continuously regenerating a hydration catalyst for cyclohexanol as set forth in claim 1, wherein: the catalyst regeneration tank, the water washing tank and the regenerated catalyst storage tank are internally provided with stirrers, and each stirrer consists of a stirring shaft extending into the tank body and a motor driving the stirring shaft to rotate.
3. The system for continuously regenerating a hydration catalyst for cyclohexanol as set forth in claim 1, wherein: the catalyst regeneration tank is internally provided with a heating device for heating the catalyst slurry, the heating device comprises a spiral steam heating pipe arranged in the catalyst regeneration tank, and steam in the steam heating pipe is provided by a steam generator.
4. The system for continuously regenerating a hydration catalyst for cyclohexanol as set forth in claim 1, wherein: the microporous filter is provided with a water inlet connected with the backwashing pipe and a sewage outlet connected with the sewage discharge pipe.
5. The system for continuously regenerating a hydration catalyst for cyclohexanol as set forth in claim 1, wherein: and an oxidant storage tank for feeding oxidant into the catalyst regeneration tank is arranged on one side of the catalyst regeneration tank.
6. The system for continuously regenerating a hydration catalyst for cyclohexanol as set forth in claim 1, wherein: a pressure pump is arranged on a pipeline between the catalyst regeneration tank and the water washing tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020365650.7U CN212120022U (en) | 2020-03-21 | 2020-03-21 | Continuous regeneration system of hydration reaction catalyst for cyclohexanol production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020365650.7U CN212120022U (en) | 2020-03-21 | 2020-03-21 | Continuous regeneration system of hydration reaction catalyst for cyclohexanol production |
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| CN212120022U true CN212120022U (en) | 2020-12-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113244968A (en) * | 2021-05-27 | 2021-08-13 | 聊城鲁西聚酰胺新材料科技有限公司 | Cyclohexene hydration catalyst regeneration system and method and application thereof |
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2020
- 2020-03-21 CN CN202020365650.7U patent/CN212120022U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113244968A (en) * | 2021-05-27 | 2021-08-13 | 聊城鲁西聚酰胺新材料科技有限公司 | Cyclohexene hydration catalyst regeneration system and method and application thereof |
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