CN204356082U - The hydrogen peroxide hydrogenation system of catalyst regneration can be carried out online - Google Patents

The hydrogen peroxide hydrogenation system of catalyst regneration can be carried out online Download PDF

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Publication number
CN204356082U
CN204356082U CN201520001880.4U CN201520001880U CN204356082U CN 204356082 U CN204356082 U CN 204356082U CN 201520001880 U CN201520001880 U CN 201520001880U CN 204356082 U CN204356082 U CN 204356082U
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China
Prior art keywords
pure water
hydride
control unit
working fluid
break
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Expired - Fee Related
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CN201520001880.4U
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Chinese (zh)
Inventor
胡仁刚
李光松
刘立冬
黎湘阳
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HUNAN ZHONGCHENG CHEMICAL INDUSTRY Co Ltd
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HUNAN ZHONGCHENG CHEMICAL INDUSTRY Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/584Recycling of catalysts

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Abstract

A kind of hydrogen peroxide hydrogenation system that can carry out catalyst regneration online, comprise the hydrogenation tower with reaction of high order tower, hydride separator, working fluid input supervisor, pure water inking device and the steam regeneration device be connected with hydrogenation tower, working fluid input supervisor is connected with reaction tower at different levels respectively by many arms, the bottom of reaction tower at different levels is connected by the import of pipeline with hydride separator, the outlet of hydride separator to be responsible for working fluid input by the hydride circulation line that is provided with hydride recycle pump and to be connected, pure water incoming line is connected with between pure water inking device and hydride separator, pure water incoming line is provided with the first break-make control unit, the junction that hydride circulation line connects working fluid input supervisor is provided with the second break-make control unit to the working fluid input supervisor between working fluid preheater.The utility model has can simplify regenerative operation, reduce labour intensity, save labour turnover, shorten regeneration treatment time, be beneficial to production efficiency puies forward advantages of higher.

Description

The hydrogen peroxide hydrogenation system of catalyst regneration can be carried out online
Technical field
The utility model relates to hydrogenation equipment technical field, is specifically related to a kind of hydrogen peroxide hydrogenation system that can carry out catalyst regneration online.
Background technology
As shown in Figure 1, existing hydrogen peroxide hydrogenation Tower System has the hydrogenation tower 1 of reaction of high order tower 11, hydride separator 2, the working fluid be connected with working fluid preheater inputs supervisor 101, for to the pure water inking device 3 of extraction tower conveying pure water and the steam regeneration device that is connected with hydrogenation tower 1, working fluid input supervisor 101 is connected with reaction tower 11 at different levels respectively by many arms 1011, the bottom of reaction tower 11 at different levels is connected by the import of pipeline with hydride separator 2, the outlet of hydride separator 2 inputs supervisor 101 by the hydride circulation line 102 being provided with hydride recycle pump 4 with working fluid and is connected.Steam regeneration device comprises regeneration steam pipeline 106 and regeneration steam lime set pipeline 107, the top of reaction tower 11 at different levels is connected with described regeneration steam pipeline 106 by the pipeline of band on-off valve, and the bottom of reaction tower 11 at different levels is connected with described regeneration steam lime set pipeline 107 by the pipeline of band on-off valve.Pure water inking device comprises pure water preparing tank 31, and pure water preparing tank 31 is connected with the suction culvert for passing into pure water and the pure water delivery conduit 105 for pure water being delivered to extraction tower, is provided with pure water pump 9 in pure water delivery conduit 105.
In hydrogen peroxide hydrogenation process, hydrogenation tower catalyst is after operation for some time, because catalyst activity declines, needs to carry out manipulation of regeneration to catalyst.In existing regeneration scheme, catalyst is after steam regeneration, by manually tens tons of catalyst being drawn off in hydrogenation tower, need carry out sieving or removing the impurity powder such as the aluminum oxide of catalyst surface adhesion with pure water cleaning, and then reinstalling hydrogenation tower by manually being returned by catalyst.The regeneration completing a catalyst will process tens of tons of catalyst usually, work continuously general night on daytime more than 4 days time of needs, the manpower of this process need at substantial, not only personnel arrangement difficulty, and catalyst of removing stage makeup and costume is wasted time and energy, cost of labor height very, and the operation intensity of whole process is large, progress slow, has had a strong impact on normal production.
Utility model content
The technical problems to be solved in the utility model is the deficiency overcoming prior art existence, provides a kind of hydrogen peroxide hydrogenation system that can carry out catalyst regneration online simplifying regenerative operation, reduce labour intensity, save labour turnover, shorten regeneration treatment time, be beneficial to production efficiency raising.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of hydrogen peroxide hydrogenation system that can carry out catalyst regneration online, comprise the hydrogenation tower with reaction of high order tower, hydride separator, the working fluid be connected with working fluid preheater input is responsible for, for to the pure water inking device of extraction tower conveying pure water and the steam regeneration device that is connected with hydrogenation tower, described working fluid input supervisor is connected with reaction tower at different levels respectively by many arms, the bottom of reaction tower at different levels is connected by the import of pipeline with hydride separator, the outlet of described hydride separator to be responsible for working fluid input by the hydride circulation line that is provided with hydride recycle pump and to be connected, the pure water be connected with between described pure water inking device and hydride separator for being exported by pure water inking device imports the pure water incoming line of hydride separator, described pure water incoming line is provided with the first break-make control unit, the junction that hydride circulation line connects working fluid input supervisor is provided with the second break-make control unit to the working fluid input supervisor between working fluid preheater.
As further improvement of the utility model:
Hydride circulation line between described hydride recycle pump to working fluid input supervisor is provided with the 3rd break-make control unit, hydride circulation line between described 3rd break-make control unit to hydride recycle pump is connected with escape route, and described escape route is provided with the 4th break-make control unit.
Described first break-make control unit, the 3rd break-make control unit and the 4th break-make control unit are on-off valve.
The blind plate that described second break-make control unit comprises joint flange and is detachably installed between joint flange.
Described pure water inking device comprises pure water batch tank, described pure water batch tank is connected with pure water delivery conduit, described pure water delivery conduit is provided with pure water pump, one end of described pure water incoming line is connected with the pure water delivery conduit of pure water pump outlet side, and the other end of described pure water incoming line is connected with the top of hydride separator.
The pure water delivery conduit of described pure water pump outlet side is also provided with five-way to break control unit, described pure water incoming line is connected on the pure water delivery conduit that five-way breaks between control unit and pure water pump.
The described five-way control unit that breaks is on-off control valve.
Described steam regeneration device comprises regeneration steam pipeline and regeneration steam lime set pipeline, the top of reaction tower at different levels is connected with described regeneration steam pipeline by being with the pipeline of on-off valve, and the bottom of reaction tower at different levels is connected with described regeneration steam lime set pipeline by the pipeline of band on-off valve.
Compared with prior art, the utility model has the advantage of: the utility model can carry out the hydrogen peroxide hydrogenation system of catalyst regneration online, after catalyst completes steam regeneration, the pure water that pure water inking device can be exported by pure water incoming line imports hydride separator, pure water is made to enter into reaction tower at different levels through hydride circulation line, working fluid input supervisor by the effect of hydride recycle pump again, thus the impurity dust such as the aluminum oxide on catalyst surface after steam regeneration can be cleaned up, the waste water after cleaning then enters waste water system through the pipeline of steam regeneration device.The utility model can realize being cleaned up by the impurity dust such as the aluminum oxide on catalyst surface after steam regeneration online, the catalyst regneration mode of washing and returning dress is unloaded compared to tradition, can save a large amount of artificial, reduce hand labor intensity, save labour turnover, also shorten regeneration treatment time simultaneously, can save time 1 ~ 2 day, production efficiency is improved greatly.In addition, the utilization ratio of this system to rinse water is high, can reduce rinse water consumption 50%, and is easy to improve existing hydrogen peroxide hydrogenation system implement.
Accompanying drawing explanation
Fig. 1 is the principle schematic of existing hydrogen peroxide hydrogenation Tower System.
Fig. 2 is the principle schematic of the utility model hydrogenation tower catalyst regneration system.
Marginal data:
1, hydrogenation tower; 11, reaction tower; 2, hydride separator; 3, pure water inking device; 31, pure water batch tank; 4, hydride recycle pump; 5, the first break-make control unit; 6, the second break-make control unit; 7, the 3rd break-make control unit; 8, the 4th break-make control unit; 9, pure water pump; 10, five-way breaks control unit; 101, working fluid input supervisor; 1011, arm; 102, hydride circulation line; 103, pure water incoming line; 104, escape route; 105, pure water delivery conduit; 106, regeneration steam pipeline; 107, regeneration steam lime set pipeline.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 2, the utility model can carry out the hydrogen peroxide hydrogenation system of catalyst regneration online, comprise the hydrogenation tower 1 with reaction of high order tower 11, hydride separator 2, the working fluid be connected with working fluid preheater inputs supervisor 101, for to the pure water inking device 3 of extraction tower conveying pure water and the steam regeneration device that is connected with hydrogenation tower 1, working fluid input supervisor 101 is connected with reaction tower 11 at different levels respectively by many arms 1011, the bottom of reaction tower 11 at different levels is connected by the import of pipeline with hydride separator 2, the outlet of hydride separator 2 inputs supervisor 101 by the hydride circulation line 102 being provided with hydride recycle pump 4 with working fluid and is connected, the pure water be connected with between pure water inking device 3 and hydride separator 2 for being exported by pure water inking device 3 imports the pure water incoming line 103 of hydride separator 2, pure water incoming line 103 is provided with the first break-make control unit 5, the break-make of pure water incoming line 103 can be controlled by the first break-make control unit 5, the junction that hydride circulation line 102 connects working fluid input supervisor 101 is provided with the second break-make control unit 6 to the working fluid input supervisor 101 between working fluid preheater, can be controlled the break-make of working fluid input supervisor 101 by the second break-make control unit 6.After steam regeneration being carried out to catalyst by steam regeneration device, the pure water that pure water inking device 3 can be exported by pure water incoming line 103 imports hydride separator 2, pure water is made to enter into reaction tower 11 at different levels through hydride circulation line 102, working fluid input supervisor 101 by the effect of hydride recycle pump 4 again, thus the impurity dust such as the aluminum oxide on catalyst surface after steam regeneration can be cleaned up, the waste water after cleaning then enters waste water system through the pipeline of steam regeneration device.The utility model can realize being cleaned up by the impurity dust such as the aluminum oxide on catalyst surface after steam regeneration online, the catalyst regneration mode of washing and returning dress is unloaded compared to tradition, can save a large amount of artificial, reduce hand labor intensity, save labour turnover, also shorten regeneration treatment time simultaneously, can save time 1 ~ 2 day, production efficiency is improved greatly.In addition, the utilization ratio of this system to rinse water is high, can reduce rinse water consumption 50%.
In the present embodiment, it is clean for ease of the working fluid in hydride separator 2 and hydride circulation line 102 is discharged, hydride circulation line 102 between hydride recycle pump 4 to working fluid input supervisor 101 is provided with the 3rd break-make control unit 7, hydride circulation line 102 simultaneously between the 3rd break-make control unit 7 to hydride recycle pump 4 is connected with escape route 104, and escape route 104 is provided with the 4th break-make control unit 8.Close the 3rd break-make control unit 7, open the 4th break-make control unit 8, the working fluid pumped from hydride recycle pump 4 can be made to discharge from escape route 104, and then by clean for the working fluid discharge in hydride separator 2 and hydride circulation line 102.
In the present embodiment, the blind plate that second break-make control unit 6 comprises joint flange and is detachably installed between joint flange, when system worked well, blind plate is not installed between joint flange, the working fluid of working fluid preheater is delivered to reaction tower 11 at different levels by working fluid input supervisor 101, when needs are washed, blind plate is installed in and working fluid is inputted supervisor 101 between joint flange and block, make the working fluid of working fluid preheater can not continue conveying, and the pure water pumped by hydride recycle pump 4 can not enter working fluid preheater.
In the present embodiment, pure water inking device 3 comprises pure water batch tank 31, pure water batch tank 31 is connected with pure water delivery conduit 105, pure water delivery conduit 105 is provided with pure water pump 9, one end of pure water incoming line 103 is connected with the pure water delivery conduit 105 of pure water pump 9 outlet side, and the other end of pure water incoming line 103 is connected with the top of hydride separator 2.The pure water delivery conduit 105 of pure water pump 9 outlet side is also provided with five-way to break control unit 10, pure water incoming line 103 is connected on the pure water delivery conduit 105 that five-way breaks between control unit 10 and pure water pump 9, close five-way to break control unit 10, open the first break-make control unit 5, the pure water pumped can be imported hydride separator 2 by pure water pump 9.
In the present embodiment, steam regeneration device comprises regeneration steam pipeline 106 and regeneration steam lime set pipeline 107, the top of reaction tower 11 at different levels is connected with regeneration steam pipeline 106 by the pipeline of band on-off valve, and the bottom of reaction tower 11 at different levels is connected with regeneration steam lime set pipeline 107 by the pipeline of band on-off valve.When carrying out steam regeneration, steam imports reaction tower at different levels 11 pairs of catalyst by regeneration steam pipeline 106 and carries out steam regeneration, the lime set of regeneration steam then by deriving with the regeneration steam lime set pipeline 107 be communicated with bottom reaction tower 11, then enters Waste Water Treatment after water cooler cooling.
In the present embodiment, the first break-make control unit 5, the 3rd break-make control unit 7, the 4th break-make control unit 8 and the five-way control unit 10 that breaks is on-off valve.
The washing working process of catalyst after steam regeneration is as follows:
Before washing catalyst, close the first break-make control unit 5 and the 3rd break-make control unit 7, open the 4th break-make control unit 8, start hydride recycle pump 4 and the working fluid in hydride separator 2 and hydride circulation line 102 is discharged from escape route 104.The blind plate of the second break-make control unit 6 is installed between joint flange and blocks working fluid input supervisor 101.
During washing catalyst, close the 3rd break-make control unit 7, the 4th break-make control unit 8 and five-way to break control unit 10, open the first break-make control unit 5, start pure water pump 9 and the pure water in pure water batch tank 31 is sent into hydride separator 2(40 m through pure water incoming line 103 3/ h), then interval starts hydride recycle pump 4, the feeding of intermittent for pure water large discharge needed to rinse catalyst in the reaction tower 11 of washing, wash-down water is discharged through regeneration steam lime set pipeline 107, then processes through water cooler transport wastewater treatment system.
After washing catalyst, close the first break-make control unit 5 and the 3rd break-make control unit 7, open the 4th break-make control unit 8, start hydride recycle pump 4 and the pure water in hydride separator 2 and hydride circulation line 102 is discharged from escape route 104; Remove the blind plate that is installed between joint flange, open five-way and to break control unit 10.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment.For those skilled in the art, do not departing from the improvement that obtains under the utility model technical conceive prerequisite and conversion also should be considered as protection domain of the present utility model.

Claims (8)

1. one kind can be carried out the hydrogen peroxide hydrogenation system of catalyst regneration online, comprise the hydrogenation tower (1) with reaction of high order tower (11), hydride separator (2), the working fluid be connected with working fluid preheater input is responsible for (101), for to the pure water inking device (3) of extraction tower conveying pure water and the steam regeneration device that is connected with hydrogenation tower (1), described working fluid input supervisor (101) is connected with reaction tower at different levels (11) respectively by many arms (1011), the bottom of reaction tower at different levels (11) is connected by the import of pipeline with hydride separator (2), the outlet of described hydride separator (2) is responsible for (101) by the hydride circulation line (102) being provided with hydride recycle pump (4) with working fluid input and is connected, it is characterized in that: between described pure water inking device (3) and hydride separator (2), the pure water be connected with for being exported by pure water inking device (3) imports the pure water incoming line (103) of hydride separator (2), described pure water incoming line (103) is provided with the first break-make control unit (5), the junction that hydride circulation line (102) connects working fluid input supervisor (101) is provided with the second break-make control unit (6) to working fluid input supervisor (101) between working fluid preheater.
2. the hydrogen peroxide hydrogenation system that can carry out catalyst regneration online according to claim 1, it is characterized in that: the hydride circulation line (102) between described hydride recycle pump (4) to working fluid input supervisor (101) is provided with the 3rd break-make control unit (7), hydride circulation line (102) between described 3rd break-make control unit (7) to hydride recycle pump (4) is connected with escape route (104), and described escape route (104) is provided with the 4th break-make control unit (8).
3. the hydrogen peroxide hydrogenation system that can carry out catalyst regneration online according to claim 2, is characterized in that: described first break-make control unit (5), the 3rd break-make control unit (7) and the 4th break-make control unit (8) are on-off valve.
4. the hydrogen peroxide hydrogenation system that can carry out catalyst regneration online according to claim 1 or 2 or 3, is characterized in that: the blind plate that described second break-make control unit (6) comprises joint flange and is detachably installed between joint flange.
5. the hydrogen peroxide hydrogenation system that can carry out catalyst regneration online according to claim 1 or 2 or 3, it is characterized in that: described pure water inking device (3) comprises pure water batch tank (31), described pure water batch tank (31) is connected with pure water delivery conduit (105), described pure water delivery conduit (105) is provided with pure water pump (9), one end of described pure water incoming line (103) is connected with the pure water delivery conduit (105) of pure water pump (9) outlet side, and the other end of described pure water incoming line (103) is connected with the top of hydride separator (2).
6. the hydrogen peroxide hydrogenation system that can carry out catalyst regneration online according to claim 5, it is characterized in that: the pure water delivery conduit (105) of described pure water pump (9) outlet side is also provided with five-way and breaks control unit (10), described pure water incoming line (103) is connected on the pure water delivery conduit (105) that five-way breaks between control unit (10) and pure water pump (9).
7. the hydrogen peroxide hydrogenation system that can carry out catalyst regneration online according to claim 6, is characterized in that: the described five-way control unit (10) that breaks is on-off control valve.
8. the hydrogen peroxide hydrogenation system that can carry out catalyst regneration online according to claim 6, it is characterized in that: described steam regeneration device comprises regeneration steam pipeline (106) and regeneration steam lime set pipeline (107), the top of reaction tower at different levels (11) is connected with described regeneration steam pipeline (106) by the pipeline of band on-off valve, and the bottom of reaction tower at different levels (11) is connected with described regeneration steam lime set pipeline (107) by the pipeline of band on-off valve.
CN201520001880.4U 2015-01-05 2015-01-05 The hydrogen peroxide hydrogenation system of catalyst regneration can be carried out online Expired - Fee Related CN204356082U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111573628A (en) * 2020-04-01 2020-08-25 安徽泉盛化工有限公司 Catalyst regeneration circulating filtration system for production of hydrogen peroxide by anthraquinone process
CN113769698A (en) * 2021-10-29 2021-12-10 阜阳安固锅炉压力容器制造有限公司 Hydrogenation tower

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111573628A (en) * 2020-04-01 2020-08-25 安徽泉盛化工有限公司 Catalyst regeneration circulating filtration system for production of hydrogen peroxide by anthraquinone process
CN111573628B (en) * 2020-04-01 2022-05-13 安徽泉盛化工有限公司 Anthraquinone process hydrogen peroxide solution production catalyst regeneration circulating filtration system
CN113769698A (en) * 2021-10-29 2021-12-10 阜阳安固锅炉压力容器制造有限公司 Hydrogenation tower

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Granted publication date: 20150527

Termination date: 20180105