CN103834433B - A kind of upstriker Reaction Separation device and method of hydrotreating - Google Patents
A kind of upstriker Reaction Separation device and method of hydrotreating Download PDFInfo
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- CN103834433B CN103834433B CN201210476712.1A CN201210476712A CN103834433B CN 103834433 B CN103834433 B CN 103834433B CN 201210476712 A CN201210476712 A CN 201210476712A CN 103834433 B CN103834433 B CN 103834433B
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Abstract
The invention discloses a kind of upstriker Reaction Separation device and method of hydrotreating.Reaction Separation device comprises: gas-liquid separation zone and reaction zone, 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, middle division plate and people's hole path of annular is provided with, the annular space of middle division plate, people's hole path and shell of tank composition lower end closed upper end open between reaction zone and gas-liquid separation zone.Method comprises: stock oil and hydrogen partial enter bottom upstriker Reaction Separation device, another part hydrogen injects from reaction zone catalyst bed interlayer, hydrogenation reaction is carried out in reaction zone, 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.The present invention reduces facility investment and floor space, additionally reduce and connect with pipeline between two independent meanss and the many problem of the leakage point produced, improve equipment safety.
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
Common setting independently fixed-bed reactor and gas-liquid separator in field of hydrogenation, fixed-bed reactor adopt downstriker usually, and namely raw material enters from the top of reactor, and reaction product flows out from the bottom of reactor.Reaction product enters the flash separation that the gas-liquid separator arranged separately carries out gas-phase product and liquid product again.
When 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, decrease the possibility of gas localized accumulated in reactor, contribute to improving gas phase and the liquid phase homogeneity at fixed bed catalyst bed flow, reduce the formation of beds hot localised points, be particularly useful for the operating mode that gas phase load is less.Meanwhile, the medium flowing direction in upstriker reactor is contrary with gravity direction, contributes to the friction drop reducing beds, the operational cycle of extending catalyst.
But current upstriker reactor and separator are two independent meanss, facility investment and floor space are large, and, connect with pipeline between equipment and to produce leak point many, easily cause 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, namely facility investment and floor space is decreased, additionally reduce and connect with pipeline between two independent meanss and the many problem of the leakage point produced, improve device intrinsic safety.
An 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, middle division plate and people's hole path of annular is provided with between reaction zone and gas-liquid separation zone, 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;
Described reaction zone is in-built fills out line fixed bed catalyst bed,
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, and grid distributor is arranged porose, be fixedly connected with vertically arranged distribution pipe under grid distributor, 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 loads by 1 ~ 6 bed segmentation, preferred 2-3 bed;
Preferred DN500mm ~ the DN1000mm of diameter range of described people's hole path.
On described people's hole path and container, distance range preferably 0 ~ 1.0 times of vessel radius of tangent line, is more preferably 0.5 times of vessel radius.
Distance preferably 0.3 ~ 1.0 times of vessel radius of the catalyzer grid pressing plate of described middle division plate and topmost, is more preferably 0.5 times of vessel radius.
Specifically can 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 entering top of people's hole path; Described reaction zone is in-built fills out line fixed bed catalyst bed, and 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; In the annular space that described gas-liquid separation zone is in 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 bottom upstriker Reaction Separation device, another part hydrogen injects from reaction zone catalyst bed interlayer, hydrogenation reaction is carried out in reaction zone, 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 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, thus ensures gas, liquid reaction product smoothly by this pressing plate, but limiting catalyst particle leaves bed upwards disturbance.Hydrogen inlet is provided with, the hydrogen fallen in order to supplementary consumption of chemical reaction between two beds.After gas, liquid reaction product leave the beds of the reaction zone the superiors, owing to being subject to the obstruct of middle division plate, upwards can only flowing 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. the gas-liquid separation space of annular is surrounded with middle division plate, container wall; C. the passage that upwards flows of reaction zone gas liquid reaction product.
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 the gas-phase product outlet through container top is flowed out; Liquid-phase reaction product flows into the liquid phase buffer space of disengaging zone lower annular under gravity downwards, the Reaction Separation device described in being flowed out 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) structure is simple, and processing and manufacturing is convenient, 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 direction view of Fig. 2 Fig. 1
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; 9-liquid product exports; 10-gas-phase product exports; 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, middle division plate 2 and people's hole path 3 of annular is provided with between reaction zone and gas-liquid separation zone, 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;
Described reaction zone is in-built fills out line fixed bed catalyst bed 7,
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, grid distributor 6 is arranged porose, 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.
The distance of the catalyzer grid pressing plate of described middle 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 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, thus ensures gas, liquid reaction product smoothly by this pressing plate, but limiting catalyst particle leaves bed upwards disturbance.Hydrogen inlet is provided with, the hydrogen fallen in order to supplementary consumption of chemical reaction between two beds.After gas, liquid reaction product leave the beds of the reaction zone the superiors, owing to being subject to the obstruct of middle division plate, upwards can only flowing 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 the gas-phase product outlet through container top is flowed out; Liquid-phase reaction product flows into the liquid phase buffer space of disengaging zone lower annular under gravity downwards, the Reaction Separation device described in being flowed out 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, middle division plate and people's hole path of annular is provided with between reaction zone and gas-liquid separation zone, 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;
Described reaction zone is in-built fills out line fixed bed catalyst bed,
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, and grid distributor is arranged porose, be fixedly connected with vertically arranged distribution pipe under grid distributor, 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:
The distance of the catalyzer grid pressing plate of described middle 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:
The distance of the catalyzer grid pressing plate of described middle division plate and topmost is 0.5 times of vessel radius.
10. adopt a method of hydrotreating for the upstriker Reaction Separation device as described in one of claim 1 ~ 9, it is characterized in that described method comprises:
Stock oil and hydrogen partial enter bottom upstriker Reaction Separation device, another part hydrogen injects from reaction zone catalyst bed interlayer, hydrogenation reaction is carried out in reaction zone, 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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| CN103834433B true CN103834433B (en) | 2016-02-10 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN113877488B (en) * | 2021-11-16 | 2023-07-04 | 中国石油大学(华东) | Up-flow hydrogenation reaction device based on tubular microporous medium foaming mechanism |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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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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