CN103834433A - Upstroke reaction separator and hydrogenation method - Google Patents
Upstroke reaction separator and hydrogenation method Download PDFInfo
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- CN103834433A CN103834433A CN201210476712.1A CN201210476712A CN103834433A CN 103834433 A CN103834433 A CN 103834433A CN 201210476712 A CN201210476712 A CN 201210476712A CN 103834433 A CN103834433 A CN 103834433A
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Abstract
The invention discloses an upstroke reaction separator and a hydrogenation method. The reaction separator includes: a gas-liquid separation zone and a reaction zone. The reaction zone and the gas-liquid separation zone are arranged in a same container shell, the reaction zone is disposed at the lower part, the gas-liquid separation zone is arranged at the upper part, an annular middle partition plate and a manhole channel are arranged between the reaction zone and the gas-liquid separation zone, and the middle partition plate, the manhole channel and the container shell constitute an annular space with a close bottom and an open upper end. The method comprises: letting raw material oil and part of hydrogen enter the upstroke reaction separator from the bottom, and injecting the other part of hydrogen by the space between catalyst beds in the reaction zone, carrying out hydrogenation reaction in the reaction zone, making the reaction product enter the gas-liquid separation zone through the manhole channel to undergo gas-liquid separation, recovering a gaseous product from the top, and recovering a liquid phase product from the side wall. The upstroke reaction separator provided by the invention has reduced equipment investment and floor space, the problem of many leakage points generated by pipeline connection between two independent equipment can be reduced, and the device safety is improved.
Description
Technical field
The present invention relates to hydrogenation reaction field, furtherly, relate to a kind of upstriker Reaction Separation device and method of hydrotreating.
Background technology
Independently fixed-bed reactor and gas-liquid separator of common setting in field of hydrogenation, fixed-bed reactor adopt downstriker conventionally, and raw material enters from the top of reactor, and reaction product flows out from the bottom of reactor.The gas-liquid separator that reaction product enters independent setting again carries out the flash separation of gas-phase product and liquid product.
In the time adopting the scheme of upstriker reactor, raw material is entered by the bottom of reactor, and reaction product flows out from the top of reactor.Due to the flow direction of gas in upstriker reactor and the dispersal direction of gas consistent, reduce the possibility of gas localized accumulated in reactor, contribute to improve gas phase and liquid phase in the mobile homogeneity of fixed bed catalyst bed, reduce the formation of beds hot localised points, be particularly useful for the less operating mode of gas phase load.Meanwhile, the medium flowing direction in upstriker reactor is contrary with gravity direction, contributes to reduce the friction drop of beds, the operational cycle of extending catalyst.
But upstriker reactor and separator are two independent meanss at present, facility investment and floor space are large, and between equipment, with pipeline connection, generation leak point is many, easily causes potential safety hazard.
Summary of the invention
For solving problems of the prior art, the invention provides a kind of upstriker Reaction Separation device and method of hydrotreating.Upstriker fixed-bed reactor and gas-liquid separator are incorporated in the housing of same container, facility investment and floor space have been reduced, reduce again between two independent meanss and connected and the many problems of leakage point of generation with pipeline, improved device intrinsic safety.
One of object of the present invention is to provide a kind of upstriker Reaction Separation device.
Comprise: gas-liquid separation zone and reaction zone,
Described reaction zone and gas-liquid separation zone are placed in same shell of tank, reaction zone is located at bottom, gas-liquid separation zone is located at top, between reaction zone and gas-liquid separation zone, be provided with annular middle division plate and people's hole path, the annular space of middle division plate, people's hole path and shell of tank composition lower end closed upper end open, gas-liquid separation zone is in described annular space;
The in-built line fixed bed catalyst bed of filling out in described reaction zone,
Container bottom is provided with reaction raw materials entrance, and container top is provided with gas-phase product outlet; Reaction zone vessel sidewall is provided with hydrogen inlet; Gas-liquid separation zone bottom container sidewall is provided with liquid product outlet.
The bottom of the upstriker fixed bed catalyst bed in described reaction zone is provided with grid distributor, arranges porosely on grid distributor, is fixedly connected with vertically arranged distribution pipe under grid distributor, and distribution pipe is communicated with the hole of grid distributor; The reaction mass of distribution pipe lower end is communicated with the material of grid distributor upper end;
The top of the upstriker fixed bed catalyst bed in described reaction zone is provided with catalyzer grid pressing plate.
Upstriker fixed bed catalyst bed in described reaction zone is by 1～6 bed segmentation filling, preferably 2-3 bed;
Preferred DN500mm～the DN1000mm of diameter range of described people's hole path.
Preferably 0～1.0 times of vessel radius of the distance range of tangent line on described people's hole path and container, more preferably 0.5 times of vessel radius.
Preferably 0.3 ~ 1.0 times of vessel radius of distance of the catalyzer grid pressing plate of division plate and topmost in the middle of described, more preferably 0.5 times of vessel radius.
Specifically can be by the following technical solutions:
Comprise reaction zone and gas-liquid separation zone; Described reaction zone and gas-liquid separation zone are placed in same shell of tank, reaction zone is located at the bottom of container, gas-liquid separation zone is located at the top of container, in the middle of adopting, division plate and built-in people's hole path are by the beds spatial separation of the liquid Space of gas-liquid separation zone and reaction zone, and the reaction product of the reaction zone of bottom is by the up gas-liquid separation zone that enters top of people's hole path; The in-built line fixed bed catalyst bed of filling out in described reaction zone, bottom is provided with reaction raw materials entrance, and top is provided with division plate and people's hole path, and reaction product enters gas-liquid separation zone by the top exit of people's hole path; Described gas-liquid separation zone is in the annular space that shell of tank, division plate, people's hole path surround; The top of described gas-liquid separation zone is provided with gas-phase product outlet, and bottom is provided with liquid product outlet.
Two of object of the present invention is to provide a kind of method of hydrotreating.
Comprise: stock oil and hydrogen partial enter from upstriker Reaction Separation device bottom, another part hydrogen injects from reaction zone catalyst bed interlayer, in reaction zone, carry out hydrogenation reaction, reaction product enters gas-liquid separation zone through people's hole path and carries out gas-liquid separation, top extraction gas-phase product, sidewall extraction liquid product.
In actual mechanical process, gas-fluid two-phase mixture material enters described Reaction Separation device by the feed(raw material)inlet of bottom, reaction zone, flows from bottom to top, enters beds through distribution pipe and grid distributor.Under the effect of distribution pipe and grid distributor, gas, liquid mixture are evenly distributed on the cross section of beds, a series of catalyzed reaction occurs then.The top of every beds is provided with catalyzer grid pressing plate, and the grid opening size of this pressing plate is less than the particle of catalyzer, thereby guarantees that gas, liquid reaction product are smoothly by this pressing plate, but limiting catalyst particle leaves upwards disturbance of bed.Between two beds, be provided with hydrogen inlet, the hydrogen falling in order to supplement consumption of chemical reaction.Gas, liquid reaction product are left after the beds of the reaction zone the superiors, due to the obstruct of division plate in the middle of being subject to, can only upwards flow along built-in people's hole path, enter gas-liquid separation zone at the top exit of people's hole path.People's hole path Main Function is in the present invention: personnel's access way when a. maintenance container inner member, handling catalyzer; B. surround annular gas-liquid separation space with middle division plate, container wall; C. the passage that gas liquid reaction product in reaction zone upwards flows.
In gas-liquid separation zone, gas phase and liquid-phase reaction product are after flash separation, and gas-phase product continues upwards to flow, and flow out through the gas-phase product outlet of container top; Liquid-phase reaction product flows into the liquid phase cushioning pocket of disengaging zone lower annular downwards under the effect of gravity, flows out described Reaction Separation device by the liquid product outlet of gas-liquid separation zone bottom container sidewall.
Compared with prior art, the beneficial effect that the present invention has is:
1) simple in structure, processing and manufacturing facility, reduces investment outlay;
2) floor space is little;
3) intrinsic safety is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of upstriker Reaction Separation device of the present invention
The A-A of Fig. 2 Fig. 1 is to view
Description of reference numerals:
1-shell of tank; Division plate in the middle of 2-; 3-people's hole path; 4-feed(raw material)inlet; 5-distribution pipe; 6-grid distributor; 7-beds; 8-catalyzer grid pressing plate; The outlet of 9-liquid product; The outlet of 10-gas-phase product; 11-hydrogen inlet.
Embodiment
Below in conjunction with embodiment, further illustrate the present invention.
Embodiment:
As shown in Figure 1, a kind of upstriker Reaction Separation device.Comprise: gas-liquid separation zone and reaction zone,
Described reaction zone and gas-liquid separation zone are placed in same shell of tank, reaction zone is located at bottom, gas-liquid separation zone is located at top, between reaction zone and gas-liquid separation zone, be provided with annular middle division plate 2 and people's hole path 3, the annular space of middle division plate 2, people's hole path 3 and shell of tank composition lower end closed upper end open, gas-liquid separation zone is in described annular space;
The in-built line fixed bed catalyst bed 7 of filling out in described reaction zone,
Container bottom is provided with reaction raw materials entrance 4, and container top is provided with gas-phase product outlet 10; Reaction zone vessel sidewall is provided with hydrogen inlet 11; Gas-liquid separation zone bottom container sidewall is provided with liquid product outlet 9.
The bottom of the upstriker fixed bed catalyst bed in described reaction zone is provided with grid distributor 6, arranges porosely on grid distributor 6, and grid distributor is fixedly connected with vertically arranged distribution pipe 5 for 6 times, and distribution pipe 5 is communicated with the hole of grid distributor 6; The reaction mass of distribution pipe lower end is communicated with the material of grid distributor upper end;
The top of the upstriker fixed bed catalyst bed 7 in described reaction zone is provided with catalyzer grid pressing plate 8.
Upstriker fixed bed catalyst bed in described reaction zone is by 2 bed segmentation fillings.
The preferred DN600mm of diameter range of described people's hole path.
On described people's hole path and container, the distance of tangent line is 0.5 times of vessel radius.
In the middle of described, the distance of the catalyzer grid pressing plate of division plate and topmost is 0.5 times of vessel radius.
Gas-fluid two-phase mixture material enters described Reaction Separation device by the feed(raw material)inlet of bottom, reaction zone, flows from bottom to top, enters beds through distribution pipe and grid distributor.Under the effect of distribution pipe and grid distributor, gas, liquid mixture are evenly distributed on the cross section of beds, a series of catalyzed reaction occurs then.The top of every beds is provided with catalyzer grid pressing plate, and the grid opening size of this pressing plate is less than the particle of catalyzer, thereby guarantees that gas, liquid reaction product are smoothly by this pressing plate, but limiting catalyst particle leaves upwards disturbance of bed.Between two beds, be provided with hydrogen inlet, the hydrogen falling in order to supplement consumption of chemical reaction.Gas, liquid reaction product are left after the beds of the reaction zone the superiors, due to the obstruct of division plate in the middle of being subject to, can only upwards flow along built-in people's hole path, enter gas-liquid separation zone at the top exit of people's hole path.
In gas-liquid separation zone, gas phase and liquid-phase reaction product are after flash separation, and gas-phase product continues upwards to flow, and flow out through the gas-phase product outlet of container top; Liquid-phase reaction product flows into the liquid phase cushioning pocket of disengaging zone lower annular downwards under the effect of gravity, flows out described Reaction Separation device by the liquid product outlet of bottom container side, gas-liquid separation zone.
Claims (10)
1. a upstriker Reaction Separation device, comprising: gas-liquid separation zone and reaction zone, is characterized in that:
Described reaction zone and gas-liquid separation zone are placed in same shell of tank, reaction zone is located at bottom, gas-liquid separation zone is located at top, between reaction zone and gas-liquid separation zone, be provided with annular middle division plate and people's hole path, the annular space of middle division plate, people's hole path and shell of tank composition lower end closed upper end open, gas-liquid separation zone is in described annular space;
The in-built line fixed bed catalyst bed of filling out in described reaction zone,
Container bottom is provided with reaction raw materials entrance, and container top is provided with gas-phase product outlet; Reaction zone vessel sidewall is provided with hydrogen inlet; Gas-liquid separation zone bottom container sidewall is provided with liquid product outlet.
2. upstriker Reaction Separation device as claimed in claim 1, is characterized in that:
The bottom of the upstriker fixed bed catalyst bed in described reaction zone is provided with grid distributor, arranges porosely on grid distributor, is fixedly connected with vertically arranged distribution pipe under grid distributor, and distribution pipe is communicated with the hole of grid distributor;
The top of the upstriker fixed bed catalyst bed in described reaction zone is provided with catalyzer grid pressing plate.
3. upstriker Reaction Separation device as claimed in claim 2, is characterized in that:
Upstriker fixed bed catalyst bed in described reaction zone is by 1～6 bed segmentation filling.
4. upstriker Reaction Separation device as claimed in claim 3, is characterized in that:
Upstriker fixed bed catalyst bed in described reaction zone is by 2～3 bed segmentation fillings.
5. upstriker Reaction Separation device as claimed in claim 1, is characterized in that:
The diameter range of described people's hole path is DN500mm～DN1000mm.
6. upstriker Reaction Separation device as claimed in claim 1, is characterized in that:
On described people's hole path and container, the distance range of tangent line is 0～1.0 times of vessel radius.
7. upstriker Reaction Separation device as claimed in claim 6, is characterized in that:
On described people's hole path and container, the distance of tangent line is 0.5 times of vessel radius.
8. upstriker Reaction Separation device as claimed in claim 2, is characterized in that:
In the middle of described, the distance of the catalyzer grid pressing plate of division plate and topmost is 0.3 ~ 1.0 times of vessel radius.
9. upstriker Reaction Separation device as claimed in claim 8, is characterized in that:
In the middle of described, the distance of the catalyzer grid pressing plate of division plate and topmost is 0.5 times of vessel radius.
10. a method of hydrotreating for the upstriker Reaction Separation device of employing as described in one of claim 1 ~ 9, is characterized in that described method comprises:
Stock oil and hydrogen partial enter from upstriker Reaction Separation device bottom, another part hydrogen injects from reaction zone catalyst bed interlayer, in reaction zone, carry out hydrogenation reaction, reaction product enters gas-liquid separation zone through people's hole path and carries out gas-liquid separation, top extraction gas-phase product, sidewall extraction liquid product.
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| CN201210476712.1A CN103834433B (en) | 2012-11-21 | 2012-11-21 | A kind of upstriker Reaction Separation device and method of hydrotreating |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105316037A (en) * | 2014-07-30 | 2016-02-10 | 中国石化工程建设有限公司 | Method for hydrogenating residual oil |
| CN113877488A (en) * | 2021-11-16 | 2022-01-04 | 中国石油大学(华东) | Up-flow hydrogenation reaction device based on tubular micropore medium foaming mechanism |
| CN114100525A (en) * | 2020-09-01 | 2022-03-01 | 中国石化工程建设有限公司 | Naphtha hydrogenation device and method |
| CN114100528A (en) * | 2020-09-01 | 2022-03-01 | 中国石化工程建设有限公司 | Lower-feeding hydrogenation reactor and liquid-phase hydrogenation method |
| CN114832510A (en) * | 2022-06-08 | 2022-08-02 | 阳光氢能科技有限公司 | Gas-liquid separator and water electrolysis hydrogen production system |
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| CN1393516A (en) * | 2001-07-02 | 2003-01-29 | 中国石油化工股份有限公司 | Process and reactor for hydrogenating heavy hydrocarbon kind of raw materials |
| CN101376092A (en) * | 2007-08-27 | 2009-03-04 | 中国石油化工股份有限公司 | Novel bubbling bed reactor |
| CN101942325A (en) * | 2009-07-09 | 2011-01-12 | 中国石油化工股份有限公司抚顺石油化工研究院 | Heavy oil hydroprocessing method and reactor |
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2012
- 2012-11-21 CN CN201210476712.1A patent/CN103834433B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1393516A (en) * | 2001-07-02 | 2003-01-29 | 中国石油化工股份有限公司 | Process and reactor for hydrogenating heavy hydrocarbon kind of raw materials |
| CN101376092A (en) * | 2007-08-27 | 2009-03-04 | 中国石油化工股份有限公司 | Novel bubbling bed reactor |
| CN101942325A (en) * | 2009-07-09 | 2011-01-12 | 中国石油化工股份有限公司抚顺石油化工研究院 | Heavy oil hydroprocessing method and reactor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105316037A (en) * | 2014-07-30 | 2016-02-10 | 中国石化工程建设有限公司 | Method for hydrogenating residual oil |
| CN105316037B (en) * | 2014-07-30 | 2018-01-09 | 中国石化工程建设有限公司 | The method of residual hydrogenation |
| CN114100525A (en) * | 2020-09-01 | 2022-03-01 | 中国石化工程建设有限公司 | Naphtha hydrogenation device and method |
| CN114100528A (en) * | 2020-09-01 | 2022-03-01 | 中国石化工程建设有限公司 | Lower-feeding hydrogenation reactor and liquid-phase hydrogenation method |
| CN113877488A (en) * | 2021-11-16 | 2022-01-04 | 中国石油大学(华东) | Up-flow hydrogenation reaction device based on tubular micropore medium foaming mechanism |
| CN114832510A (en) * | 2022-06-08 | 2022-08-02 | 阳光氢能科技有限公司 | Gas-liquid separator and water electrolysis hydrogen production system |
| CN114832510B (en) * | 2022-06-08 | 2024-05-14 | 阳光氢能科技有限公司 | Gas-liquid separator and electrolytic water hydrogen production system |
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| CN103834433B (en) | 2016-02-10 |
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Address after: No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100728 Patentee after: China Petrochemical Group Co., Ltd Patentee after: Sinopec Engineering Construction Co., Ltd Address before: No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100728 Patentee before: China Petrochemical Corporation Patentee before: Sinopec Engineering Construction Co., Ltd |
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