CN111534329A - Gasoline hydrogenation and olefin removal treatment method and device - Google Patents
Gasoline hydrogenation and olefin removal treatment method and device Download PDFInfo
- Publication number
- CN111534329A CN111534329A CN202010449215.7A CN202010449215A CN111534329A CN 111534329 A CN111534329 A CN 111534329A CN 202010449215 A CN202010449215 A CN 202010449215A CN 111534329 A CN111534329 A CN 111534329A
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- feed
- partition plate
- reactor
- gasoline
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- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 20
- 150000001336 alkenes Chemical class 0.000 title abstract description 14
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 title abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 66
- 238000005192 partition Methods 0.000 claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 238000000926 separation method Methods 0.000 claims abstract description 39
- 239000001257 hydrogen Substances 0.000 claims abstract description 27
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 27
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 7
- 239000007791 liquid phase Substances 0.000 claims description 18
- 239000012071 phase Substances 0.000 claims description 14
- 239000012808 vapor phase Substances 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 abstract description 14
- 238000006243 chemical reaction Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 229930195733 hydrocarbon Natural products 0.000 description 7
- 150000002430 hydrocarbons Chemical class 0.000 description 7
- 239000004215 Carbon black (E152) Substances 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 4
- 229910000510 noble metal Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G67/00—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only
- C10G67/02—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only
Abstract
The invention relates to a gasoline hydrogenation olefin removal treatment method and a device. The method comprises the following steps: mixing hydrogen with the raw materials; separating out the gas which is not mixed with the raw material to obtain the required feed; the feed is fed into a reactor for catalytic reaction. The gasoline hydrogenation and olefin removal treatment device comprises a mixer, a feeding gas distribution device fixed at the upper end of the mixer and a reactor fixed at the upper end of the feeding gas distribution device. The feeding gas-distributing device comprises a shell, a feeding clapboard contained in the shell, a gas-liquid separation chamber clapboard, and a gas phase outlet arranged on the side wall of the shell; the gas-liquid separation chamber partition plate is composed of a transverse straight partition plate and a vertical partition plate connected with one end of the transverse straight partition plate, and the other end of the transverse straight partition plate is fixed on the inner side of the shell above the gas phase outlet; the feed baffle is disposed between the housing sidewall below the vapor outlet and the vertical baffle. Improves the material form passing through the reactor, and improves the gas-liquid mass transfer efficiency and the utilization efficiency of the catalyst in the reaction process.
Description
Technical Field
The invention relates to the technical field of gasoline hydrogenation and olefin removal treatment, in particular to a gasoline hydrogenation and olefin removal treatment method and device.
Background
The existing gasoline hydrogenation and olefin removal treatment technology is mainly carried out by a fixed bed liquid phase hydrogenation reactor, a bed layer of the reactor adopts a noble metal or non-noble metal catalyst, and the flow direction of feeding materials in the catalyst bed layer is realized from top to bottom or from bottom to top under certain temperature and pressure. The quality of the feed is a very critical factor for the overall reaction effect, and in the prior art, the hydrogen and the gasoline raw materials are mixed by a common mixer meeting the national standard or other types of mixers, and the mixed feed with higher quality is sent to a catalyst bed layer for reaction. However, although the quality of the feed mixed by the mixer is relatively high, the reaction effect is deteriorated due to the influence of the uneven mixing of hydrogen or large bubbles generated after the vaporization of the gasoline hydrocarbon component on the fluid state. In addition, if the feeding mode from top to bottom is adopted, the reaction effect is also deteriorated due to the phenomenon of 'gas lock' caused by the accumulation of hydrogen in the descending process of gasoline.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present application aims to provide a gasoline hydrodeolefination treatment method and apparatus, which are intended to separate hydrogen and hydrocarbon gases in the form of large bubbles, which are not mixed with raw materials, from the feed of a reactor, so as to improve the shape of the materials passing through the reactor, and improve the gas-liquid mass transfer efficiency of the reaction process and the utilization efficiency of the catalyst.
A gasoline hydrodeolefin treatment method comprises the following steps: mixing hydrogen with the raw materials to obtain required feeding materials; feeding the feed into a reactor for catalytic reaction; between the two steps, there is also the step of separating gases that are not mixed into the feedstock from the feed.
The gasoline hydrodeolefin treatment method separates hydrogen and hydrocarbon gas which are not mixed with raw materials and exist in large bubbles from the feeding of the reactor, so that the material form passing through the reactor is improved, and the gas-liquid mass transfer efficiency and the utilization efficiency of the catalyst in the reaction process are improved.
Based on the same inventive concept, the application provides a gasoline hydrodeolefin treatment device, which comprises a mixer, a reactor and a feed gas separation device, wherein hydrogen is mixed with a raw material to obtain a required feed, the feed gas is reacted in the reactor, the feed gas separation device is connected between the mixer and the reactor, and the gas which is not mixed with the raw material is separated from the feed.
After the feeding gas separation device is added between the mixer and the reactor, when the device is applied in production, under the constraint of production time, hydrogen or hydrocarbon which affects the feeding quality and exists in a large bubble form is firstly separated from the feeding of the reactor, namely noncondensable gas and hydrogen gathering bubbles which have negative effects on the liquid-phase hydrogenation process of oil products are separated, so that the flow state of the material finally fed into the reactor is improved; while hydrogen in the form of small bubbles, which has a positive effect on the liquid phase hydrogenation of the oil, is still retained in the feed.
Alternatively, the gasoline hydrodeolefin treatment plant as described above, the feed gas separation plant, comprising: the gas-liquid separation device comprises a shell, a feeding partition board, a gas-liquid separation chamber partition board and a gas-phase outlet, wherein the feeding partition board and the gas-liquid separation chamber partition board are contained in the shell, and the gas-phase outlet is formed in a first side wall of the shell; the gas-liquid separation chamber partition plate is composed of a transverse straight partition plate and a vertical partition plate connected with one end of the transverse straight partition plate, and the other end of the transverse straight partition plate is fixed on the inner side of the shell above the gas phase outlet; the feed baffle is disposed between the first sidewall of the housing below the vapor phase outlet and the vertical baffle.
The feeding gas distributing device is simple in working principle and structure, easy to manufacture and use and capable of effectively separating out gas which is not mixed into raw materials.
Alternatively, in the gasoline hydrodeolefin treatment device as described above, the upper part of the feed partition plate in the feed gas distributor and the lower part of the vertical partition plate are parallel to each other.
Optionally, the gasoline hydrodeolefin treatment device as described above, wherein the feed separator forms a feed channel with the first sidewall of the shell; a gas-liquid separation chamber is formed among the gas-liquid separation chamber partition plate, the feeding partition plate and the first side wall of the shell; and a liquid phase flow passage is formed between the gas-liquid separation chamber partition plate and the feeding partition plate as well as the second side wall of the shell. After the material enters from the feeding channel, gas-liquid separation is realized in the gas-liquid separation chamber, gas which is not mixed with the feeding material is separated from the gas-phase circulation channel formed by the gas-phase outlet, and the feeding liquid after gas separation flows away from the gas-liquid separation chamber from the liquid-phase circulation channel.
Alternatively, in the gasoline hydrodeolefin treatment device as described above, the outlet at the upper end of the mixer and the inlet at the lower end of the feed gas distributor are fixedly connected with each other, and the outlet at the upper end of the feed gas distributor and the inlet at the lower end of the reactor are fixedly connected with each other. The gas which is not mixed with the raw material is separated, the uniform mixing of bubbles in the feeding liquid phase is ensured, and the feeding liquid phase does not contain large bubbles or non-condensable gas, the feeding material passes through the reactor bed layer from bottom to top, and the problems of the gas resistance of the large bubbles of hydrogen gathering and the liquid seal of the liquid-phase bed reactor caused by the fact that the existing material flow passes through the reactor bed layer from top to bottom are solved.
Alternatively, the gasoline hydrodeolefin treatment device as described above, the mixer, the feed gas distributor and the reactor are integrated and contained in the same shell to form a whole. Can reduce steel quantity and area, reduce cost, both can establish ties as required and use a plurality of these wholes in addition, also can connect in parallel and use a plurality of these wholes, convenient to use.
Optionally, the gasoline hydrodeolefin treatment plant as in any of the above, wherein the reactor is a fixed bed liquid phase hydrogenation reactor.
Drawings
FIG. 1 is a flow chart of a gasoline hydrodeolefin treatment method according to the present invention;
FIG. 2 is a schematic diagram of a gasoline hydrodeolefin treatment device according to the present invention;
FIG. 3 is a schematic structural view of a feeding gas-distributing device according to the present invention;
FIG. 4 is a schematic view of the working principle of the feeding gas-distributing device of the present invention;
description of reference numerals:
1-a shell; 2-a feed spacer; 3-a gas-liquid separation chamber partition; 4-a gas phase outlet; 5-a first side wall of the housing 1; 6-transverse straight partition board; 7-vertical partition plate; 8-a second side wall of the housing 1; 9-a feed channel; 10-a gas-liquid separation chamber; 11-feed liquid level; 12-a liquid phase flow-through channel; 13-a gas phase flow-through channel; 14-a mixer; 15-a feed gas distributor; 16-a reactor; 17-gasoline feedstock; 18-hydrogen; 19-gases not mixed with gasoline feedstock; 20-gasoline product after reaction.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
The existing gasoline hydrogenation and olefin removal treatment method is to directly send the mixed feed into a reactor for catalytic reaction, however, the mixed feed often has the condition that the fluid state is affected by large bubbles generated after hydrogen is not uniformly mixed or gasoline hydrocarbon components are vaporized, and moreover, if a top-down feeding mode is adopted, the reaction effect is also deteriorated due to the phenomenon of 'air lock' caused by accumulation of gas which is not mixed into the gasoline raw material in the descending process along with the gasoline.
Based on this, the present application intends to provide a solution to the above technical problem, the details of which will be explained in the following embodiments.
FIG. 1 is a flow chart of a gasoline hydrodeolefin treatment method provided by the invention. The steps of the gasoline hydrodeolefin treatment method according to the present embodiment will now be described in detail with reference to the flow chart shown in fig. 1.
In the gasoline hydrodeolefination treatment method of the present embodiment:
first, hydrogen is mixed with the feedstock to obtain the desired feed. The raw materials comprise single or mixed oil products such as reformate, pyrolysis gasoline, chemical light oil and the like.
Then, the gas not mixed with the raw material is separated from the feed material obtained by the above mixing. The step is added into the gasoline hydrogenation and olefin removal treatment production process, and during production, under the limitation of the production process and the production time, the step can separate hydrogen or hydrocarbons which affect the quality of the feeding material and exist in the form of large bubbles from the feeding material, namely, non-condensable gas and hydrogen aggregation bubbles which have negative effects on the oil product liquid phase hydrogenation process are separated, so that the flow state of the feeding material is improved; while hydrogen in the form of small bubbles, which has a positive effect on the liquid phase hydrogenation of the oil, is still retained in the feed.
And finally, feeding the feed subjected to the gas separation step into a reactor for catalytic reaction.
According to the gasoline hydrogenation and olefin removal treatment method, the step of separating the gas which is not mixed with the raw material from the fed material is added, so that the material form of the catalyst passing through the bed layer of the reactor is improved, the hydrogen in the mixed fed material is kept in a dissolved state and a micro-bubble supersaturated dispersion state, the gas-liquid mass transfer efficiency in the reaction process is improved, and the utilization efficiency of the catalyst in the catalytic reaction process is improved.
And (3) effect comparison: when the existing gasoline olefin removal hydrotreating method is applied to production, the olefin removal rate is generally lower than 70%, the optimal condition is not more than 98%, the aromatic hydrocarbon loss rate is basically about 0.5%, and the optimal condition is not more than 0.2%. When the gasoline hydrogenation olefin removal treatment method is adopted for production, under the same conditions, the olefin removal rate can reach 99.5%, the aromatic hydrocarbon loss rate does not exceed 0.1%, and the obvious improvement is obtained.
Based on the same inventive concept, the invention also provides a gasoline hydrodeolefin treatment device, which comprises a mixer 14 and a reactor 16, and also comprises a feed gas-distributing device 15 connected between the mixer 14 and the reactor 16, wherein the feed gas-distributing device is as described above, and the feed gas-distributing device is as shown in figure 2. The mixer 14 is used to mix hydrogen 18 with a gasoline feedstock 17 to obtain the desired feed. The mixer 14 of the embodiment can adopt the existing static mixer or dynamic mixer to generate nano-sized or micron-sized bubbles, so that efficient dissolution and supersaturation of hydrogen in raw materials are realized, continuous hydrogen supply in the whole reaction process is realized, and the mass transfer efficiency in the hydrogenation process is improved. Further, the mixer of the present embodiment is preferably a high-efficiency gas-liquid mixing device, which is a chinese patent No. CN 201920404208.8. The reactor 16 is used for catalytic reaction of the mixed feed through a catalyst bed therein, and a gasoline product 20 after reaction is led out from an outlet at the upper end of the reactor 16, the reactor 16 of the embodiment adopts a fixed bed liquid phase hydrogenation reactor, preferably a single bed reactor, and the catalyst is preferably a Pt-Pd-Rh series noble metal catalyst. The feeding gas distributor 15 is used for separating gas 19 which is not mixed into the raw material, such as hydrogen or hydrocarbon existing in the form of large bubbles, from the mixed feeding, so that the material form of the catalyst passing through a reactor bed layer can be improved, the hydrogen in the feeding of the reactor is kept in a dissolved state and a micro-bubble supersaturated dispersion state, and the gas-liquid mass transfer efficiency and the utilization efficiency of the catalyst in the reaction process can be improved. The inlet at the lower end of the feeding gas distributing device 15 is fixedly connected with the outlet at the upper end of the mixer 14, the inlet at the lower end of the reactor 16 is fixedly connected with the outlet at the upper end of the feeding gas distributing device 15, namely, the feeding gas distributing device 15 is arranged below the fixed bed catalyst, the feeding material which is not mixed with the raw material is separated from the bottom to the top and passes through the reactor bed layer, and the problems of hydrogen large bubble aggregation ' gas resistance ' and liquid seal ' of the liquid phase bed reactor caused by the fact that the existing material flow passes through the reactor bed layer from the top to the bottom are solved. Further preferably, as shown in fig. 2, the mixer 14, the feed gas distributor 15 and the reactor 16 are integrated and contained in a single housing 1: on one hand, the feeding gas distributing device 15 is simple in structure, is embedded in the lower part of the bed layer of the reactor 16, does not need to be provided with an independent feeding gas distributing device 15 for gas-liquid separation, and reduces the occupied area of equipment; in the second aspect, three devices are integrated together to share the same shell, so that the steel consumption and the occupied area are reduced, and the cost is reduced; in the third aspect, three devices are integrated into a whole, and a plurality of the whole can be used in series or in parallel according to needs, so that the use is convenient.
The feeding gas-distributing device 15 provided by the invention comprises a shell 1, a feeding partition plate 2 and a gas-liquid separation chamber partition plate 3 contained in the shell 1, and a gas phase outlet 4 arranged on a first side wall 5 of the shell 1, as shown in fig. 3; the gas-liquid separation chamber partition plate 3 is composed of a transverse straight partition plate 6 and a vertical partition plate 7 connected with one end of the transverse straight partition plate 6, and the other end of the transverse straight partition plate 6 is fixed on the inner side of the shell 1 above the gas phase outlet 4; the feed partition 2 is arranged between the first side wall 5 of the housing 1 below the gas phase outlet 4 and the vertical partition 7. The upper part of the feed spacer 2 and the lower part of the vertical spacer 7 are parallel to each other.
As shown in fig. 4, a feed passage 9 is formed between the feed spacer 2 and the first side wall 5 of the housing 1, and the mixed feed flows into the feed gas distributor of the present embodiment through the feed passage 9. The portion between the gas-liquid separation chamber partition plate 3 and the first side wall 5 of the housing 1, and the portion between the upper portion of the feed partition plate 2 and the lower portion of the vertical partition plate in the gas-liquid separation chamber partition plate 3 form a gas-liquid separation chamber 10, in the gas-liquid separation chamber 10, the feed liquid settles and flows downward under the action of gravity, and since the gas is lighter than the liquid, the gas that is not mixed into the feed liquid floats up to a space above the liquid surface 11 of the feed liquid, so that the gas that is not mixed into the feed liquid in the chamber is separated from the feed liquid, and the gas that is separated to the space above the liquid surface 11 of the feed liquid leaves the gas-liquid separation chamber 10 through a gas phase flow channel 13 formed by the gas phase outlet 4. The portion between the gas-liquid separation chamber partition plate 3 and the second side wall 8 of the casing 1 and the portion between the lower portion of the feed partition plate 2 and the second side wall 8 of the casing 1 form a liquid phase flow passage 11, and the feed liquid after gas separation flows along the liquid phase flow passage 11 and leaves the gas-liquid separation chamber 10, thereby realizing gas-liquid separation.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (8)
1. A gasoline hydrodeolefin treatment method comprises the following steps: mixing hydrogen with the raw materials to obtain required feeding materials; feeding the feed into a reactor for catalytic reaction; characterized in that a step of separating gases that are not mixed with the raw material from the feed is also included between the two preceding steps.
2. A gasoline hydrodeolefin treatment device comprises a mixer for mixing hydrogen and raw materials to obtain required feed, and a reactor for reacting the feed in the mixer, and is characterized by also comprising a feed gas separating device connected between the mixer and the reactor, and separating gas which is not mixed with the raw materials from the feed.
3. The gasoline hydrodeolefm treatment plant of claim 2, wherein the feed gas distributor comprises: the gas-liquid separation device comprises a shell, a feeding partition plate and a gas-liquid separation chamber partition plate, wherein the feeding partition plate and the gas-liquid separation chamber partition plate are contained in the shell, and a gas phase outlet is formed in a first side wall of the shell; the gas-liquid separation chamber partition plate comprises a transverse straight partition plate and a vertical partition plate connected with one end of the transverse straight partition plate, and the other end of the transverse straight partition plate is fixed on the inner side of the shell above the gas phase outlet; the feed baffle is disposed between the first sidewall of the housing below the vapor phase outlet and the vertical baffle.
4. The gasoline hydrodeolefm treatment apparatus of claim 3, wherein the upper portion of the feed partition and the lower portion of the vertical partition are parallel to each other.
5. The gasoline hydrodeolefm treating device according to claim 4, wherein a feed channel is formed between the feed partition and the first sidewall of the housing; a gas-liquid separation chamber is formed among the gas-liquid separation chamber partition plate, the feeding partition plate and the first side wall of the shell; and a liquid phase flow passage is formed between the gas-liquid separation chamber partition plate and the feeding partition plate as well as the second side wall of the shell.
6. The gasoline hydrodeolefination processing apparatus according to claim 2, wherein the outlet at the upper end of the mixer and the inlet at the lower end of the feed gas distributor are fixedly connected with each other, and the outlet at the upper end of the feed gas distributor and the inlet at the lower end of the reactor are fixedly connected with each other.
7. The gasoline hydrodeolefm treating device according to claim 6, wherein the mixer, the feed gas distributor and the reactor are contained in the same housing.
8. The gasoline hydrodeolefm treatment apparatus of any of claims 2-7, wherein the reactor is a fixed bed liquid phase hydrogenation reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010449215.7A CN111534329A (en) | 2020-05-25 | 2020-05-25 | Gasoline hydrogenation and olefin removal treatment method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010449215.7A CN111534329A (en) | 2020-05-25 | 2020-05-25 | Gasoline hydrogenation and olefin removal treatment method and device |
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| CN111534329A true CN111534329A (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010449215.7A Pending CN111534329A (en) | 2020-05-25 | 2020-05-25 | Gasoline hydrogenation and olefin removal treatment method and device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4477393A (en) * | 1978-08-30 | 1984-10-16 | Dorr-Oliver Incorporated | Apparatus for dissolution of gases in liquid |
| CN101993719A (en) * | 2009-08-11 | 2011-03-30 | 中国石化集团洛阳石油化工工程公司 | Method for hydrogenating hydrocarbon oil and reactor thereof |
| CN202063881U (en) * | 2011-04-12 | 2011-12-07 | 中国石油化工股份有限公司 | Liquid-phase hydrogenation reactor |
| WO2017217157A1 (en) * | 2016-06-13 | 2017-12-21 | パナソニックＩｐマネジメント株式会社 | Gas dissolving apparatus |
| CN212357152U (en) * | 2020-05-25 | 2021-01-15 | 盘锦浩业化工有限公司 | Gasoline hydrogenation de-olefin treatment device |
-
2020
- 2020-05-25 CN CN202010449215.7A patent/CN111534329A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4477393A (en) * | 1978-08-30 | 1984-10-16 | Dorr-Oliver Incorporated | Apparatus for dissolution of gases in liquid |
| CN101993719A (en) * | 2009-08-11 | 2011-03-30 | 中国石化集团洛阳石油化工工程公司 | Method for hydrogenating hydrocarbon oil and reactor thereof |
| CN202063881U (en) * | 2011-04-12 | 2011-12-07 | 中国石油化工股份有限公司 | Liquid-phase hydrogenation reactor |
| WO2017217157A1 (en) * | 2016-06-13 | 2017-12-21 | パナソニックＩｐマネジメント株式会社 | Gas dissolving apparatus |
| CN212357152U (en) * | 2020-05-25 | 2021-01-15 | 盘锦浩业化工有限公司 | Gasoline hydrogenation de-olefin treatment device |
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