CN113897210A - External separation system of suspension bed and use method thereof - Google Patents
External separation system of suspension bed and use method thereof Download PDFInfo
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- CN113897210A CN113897210A CN202111247827.9A CN202111247827A CN113897210A CN 113897210 A CN113897210 A CN 113897210A CN 202111247827 A CN202111247827 A CN 202111247827A CN 113897210 A CN113897210 A CN 113897210A
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- bed reactor
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- 239000000725 suspension Substances 0.000 title claims abstract description 35
- 238000000926 separation method Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000003054 catalyst Substances 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- 230000002378 acidificating effect Effects 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000007789 gas Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 15
- 239000007791 liquid phase Substances 0.000 claims description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 239000002737 fuel gas Substances 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 4
- 239000012071 phase Substances 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000005984 hydrogenation reaction Methods 0.000 abstract description 3
- 239000000295 fuel oil Substances 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003225 biodiesel Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
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Classifications
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- 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
- C10G3/00—Production of liquid hydrocarbon mixtures from oxygen-containing organic materials, e.g. fatty oils, fatty acids
- C10G3/54—Production of liquid hydrocarbon mixtures from oxygen-containing organic materials, e.g. fatty oils, fatty acids characterised by the catalytic bed
- C10G3/55—Production of liquid hydrocarbon mixtures from oxygen-containing organic materials, e.g. fatty oils, fatty acids characterised by the catalytic bed with moving solid particles, e.g. moving beds
- C10G3/56—Production of liquid hydrocarbon mixtures from oxygen-containing organic materials, e.g. fatty oils, fatty acids characterised by the catalytic bed with moving solid particles, e.g. moving beds suspended in the oil, e.g. slurries, ebullated beds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/20—Technologies relating to oil refining and petrochemical industry using bio-feedstock
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cyclones (AREA)
Abstract
The invention relates to the technical field of suspension bed hydrogenation, in particular to a suspension bed external separation system and a using method thereof, wherein the suspension bed external separation system comprises a high-pressure feed pump, a suspension bed reactor, a primary cyclone separator, a secondary cyclone separator, a fixed bed reactor, a heat exchanger, a cold high-pressure separator and a cold low-pressure separator; the external separation system of the suspension bed has the following advantages: 1. the light and heavy components can be effectively separated through the primary cyclone separator and the secondary cyclone separator, and the heavy components enter the suspension bed reactor again for reaction separation; 2. the operation period of the fixed bed reactor at the rear part of the suspension bed reactor is ensured, the pressure drop is reduced, and the service life of the catalyst is ensured; 3. and (3) discharging more parts of heavy oil, catalyst powder, heavy metal and the like at the bottom of the suspension bed reactor discontinuously, so as to reduce the load of the suspension bed reactor.
Description
Technical Field
The invention relates to the technical field of suspension bed hydrogenation, in particular to an external separation system of a suspension bed and a using method thereof.
Background
At present, in a second-generation biodiesel hydrogenation device, the operation period of a reaction system is short, and the phenomenon that the pressure drop of a bed layer is increased in a short time and the product is discolored to cause the device to be incapable of continuously operating is mainly shown. And the catalyst powder in the suspension bed and the oil containing high heavy metal are carried to the fixed bed reactor through air flow, so that a catalyst pore passage of the fixed bed reactor is quickly blocked, the pressure drop of the bed layer is increased, and the continuous operation cannot be carried out. The short service life of the catalyst leads to frequent shutdown, catalyst replacement and other shutdowns, and the production cost is increased.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide a suspension bed external separation system and a using method thereof.
The purpose of the invention is realized by the following technical scheme: a suspension bed external separation system comprises a high-pressure feed pump, a suspension bed reactor, a primary cyclone separator, a secondary cyclone separator, a fixed bed reactor, a heat exchanger, a cold high-pressure separator and a cold low-pressure separator;
the outlet of the high-pressure feed pump is connected with the bottom inlet of the suspended bed reactor, the bottom of the primary cyclone separator is connected with a first dipleg, the bottom of the secondary cyclone separator is connected with a second dipleg, the tail ends of the first dipleg and the second dipleg are respectively connected with the bottom inlet of the suspended bed reactor, the top inlet of the primary cyclone separator is connected with the top outlet of the suspended bed reactor, the top outlet of the primary cyclone separator is connected with the top inlet of the secondary cyclone separator, the top outlet of the secondary cyclone separator is connected with the top inlet of the fixed bed reactor, and the bottom of the fixed bed reactor is connected with a product conveying pipeline;
the bottom outlet of the suspended bed reactor is connected with the inlet of the heat exchanger, a discharge control valve is arranged between the bottom outlet of the suspended bed reactor and the inlet of the heat exchanger, the outlet of the heat exchanger is connected with the inlet of the cold high-pressure separator, the liquid phase outlet of the cold high-pressure separator is connected with the inlet of the cold low-pressure separator, and the liquid phase outlet of the cold low-pressure separator is connected with an oil product conveying pipeline.
Preferably, a liquid level meter is arranged at the bottom of the suspended bed reactor.
Preferably, a first control valve is arranged between the liquid phase outlet of the cold high-pressure separator and the inlet of the cold low-pressure separator.
Preferably, the oil conveying pipeline is provided with a second control valve.
Preferably, the bottom of the cold high-pressure separator is connected with a first acidic water pipeline, the bottom of the cold low-pressure separator is connected with a second acidic water pipeline, the first acidic water pipeline is provided with a third control valve, the second acidic water pipeline is provided with a fourth control valve, and the tail ends of the first acidic water pipeline and the second acidic water pipeline are combined.
Preferably, the first dipleg and the second dipleg are respectively connected with a first air supply pipeline and a second air supply pipeline, and the first air supply pipeline and the second air supply pipeline are respectively provided with a fifth control valve and a sixth control valve.
Preferably, the top of the cold high-pressure separator is provided with a cold high-pressure gas outlet, and the top of the cold low-pressure separator is provided with a cold low-pressure gas outlet.
The other purpose of the invention is realized by the following technical scheme: a method of using a suspended bed external separation system, comprising the steps of:
the high-pressure feeding pump feeds from the middle lower part of the bottom bed layer of the suspension bed reactor, and the heavy components are mixed with the heavy components of the first dipleg and the second dipleg and react with the catalyst in the suspension bed along with the upward hot gas flow;
separating the top product of the suspended bed reactor by a primary cyclone separator and a secondary cyclone separator in sequence, and then feeding the light component into the fixed bed reactor for secondary demetalization, denitrification and other reactions; heavy components separated from the first dipleg and the second dipleg and oil products containing catalyst powder and heavy metals enter the suspension bed reactor again to react with the raw materials in a mixing way;
the heavy component in the suspended bed reactor is deposited at the bottom of the suspended bed reactor, the liquid level of the bottom deposit is observed through a liquid level meter, when the liquid level is higher than 30%, a first control valve is opened to discharge the heavy component outwards, the heavy component is conveyed to a cold high-pressure separator after heat exchange through a heat exchanger, the separated gas enters a circulating hydrogen system, the separated liquid oil phase enters a cold low-pressure separator for separation, and the separated oil is conveyed to a storage tank for precipitation separation through an oil conveying pipeline.
Preferably, the acidic water generated by the cold high-pressure separator and the cold low-pressure separator is mixed by a third control valve and a fourth control valve and then is sent to an acidic water and sewage treatment plant for treatment; and the gas separated by the cold low-pressure separator enters a fuel gas system after being desulfurized.
Preferably, the first air supply pipeline and the second air supply pipeline respectively supply hydrogen to the first dipleg and the second dipleg.
The invention has the beneficial effects that: the external separation system of the suspension bed has the following advantages:
1. the light and heavy components can be effectively separated through the primary cyclone separator and the secondary cyclone separator, and the heavy components enter the suspension bed reactor again for reaction separation;
2. the operation period of the fixed bed reactor at the rear part of the suspension bed reactor is ensured, the pressure drop is reduced, and the service life of the catalyst is ensured;
3. the heavy oil, the catalyst powder, the heavy metal and other parts at the bottom of the suspension bed reactor are discharged out discontinuously, so that the load of the suspension bed reactor is reduced;
4. the service life of the catalyst is prolonged, the operation period of the device is prolonged, the replacement times of the catalyst are reduced, and the production operation cost is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The reference signs are: the device comprises a high-pressure feed pump 1, a suspended bed reactor 2, a discharge control valve 21, a liquid level meter 22, a primary cyclone separator 3, a first dipleg 31, a first air supply pipeline 32, a fifth control valve 33, a secondary cyclone separator 4, a second dipleg 41, a second air supply pipeline 42, a sixth control valve 43, a fixed bed reactor 5, a product conveying pipeline 51, a heat exchanger 6, a cold high-pressure separator 7, a first control valve 71, a first acidic water pipeline 72, a third control valve 73, a cold high-pressure gas outlet 74, a cold low-pressure separator 8, an oil product conveying pipeline 81, a second control valve 82, a second acidic water pipeline 83, a fourth control valve 84 and a cold low-pressure gas outlet 85.
Detailed Description
For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and the accompanying fig. 1, and the description of the embodiments is not intended to limit the present invention.
Example 1
Referring to fig. 1, a suspension bed external separation system includes a high-pressure feed pump 1, a suspension bed reactor 2, a primary cyclone separator 3, a secondary cyclone separator 4, a fixed bed reactor 5, a heat exchanger 6, a cold high-pressure separator 7 and a cold low-pressure separator 8;
an outlet of the high-pressure feed pump 1 is connected with a bottom inlet of the suspended bed reactor 2, the bottom of the primary cyclone separator 3 is connected with a first dipleg 31, the bottom of the secondary cyclone separator 4 is connected with a second dipleg 41, the tail ends of the first dipleg 31 and the second dipleg 41 are respectively connected with a bottom inlet of the suspended bed reactor 2, a top inlet of the primary cyclone separator 3 is connected with a top outlet of the suspended bed reactor 2, a top outlet of the primary cyclone separator 3 is connected with a top inlet of the secondary cyclone separator 4, a top outlet of the secondary cyclone separator 4 is connected with a top inlet of the fixed bed reactor 5, and the bottom of the fixed bed reactor 5 is connected with a product conveying pipeline 51;
the bottom outlet of the suspended bed reactor 2 is connected with the inlet of the heat exchanger 6, a discharge control valve 21 is arranged between the bottom outlet of the suspended bed reactor 2 and the inlet of the heat exchanger 6, the outlet of the heat exchanger 6 is connected with the inlet of the cold high-pressure separator 7, the liquid phase outlet of the cold high-pressure separator 7 is connected with the inlet of the cold low-pressure separator 8, and the liquid phase outlet of the cold low-pressure separator 8 is connected with an oil product conveying pipeline 81.
The working principle of the cyclone separator is as follows: the cyclone separator is a dry type gas-solid separation device which separates solid particles from gas flow by using centrifugal force generated when a gas-solid mixture rotates at high speed. The centrifugal force to which the particles are subjected is much greater than the gravitational and inertial forces, so the separation efficiency is high. The main structure is a conical cylinder, a gas inlet pipe is arranged in the tangential direction of the upper section of the cylinder, an exhaust pipe inserted into the cylinder by a certain depth is arranged at the top of the cylinder, and an outlet for receiving fine-particle heavy components is arranged at the bottom of the conical cylinder.
In this embodiment, a liquid level meter 22 is disposed at the bottom of the suspended bed reactor 2. The level gauge 22 is provided to facilitate observation of the level of the heavy ends deposited at the bottom of the suspended bed reactor 2.
In this embodiment, a first control valve 71 is disposed between the liquid phase outlet of the cold high-pressure separator 7 and the inlet of the cold low-pressure separator 8.
In this embodiment, the oil delivery pipe 81 is provided with a second control valve 82.
In this embodiment, the first acidic water pipe 72 is connected to the bottom of the cold high-pressure separator 7, the second acidic water pipe 83 is connected to the bottom of the cold low-pressure separator 8, the third control valve 73 is provided on the first acidic water pipe 72, the fourth control valve 84 is provided on the second acidic water pipe 83, and the ends of the first acidic water pipe 72 and the second acidic water pipe 83 are merged. The acidic water generated by the cold high-pressure separator 7 and the cold low-pressure separator 8 is mixed by the third control valve 73 and the fourth control valve 84 and then sent to an acidic water and sewage treatment plant for treatment.
In this embodiment, the first and second diplegs 31 and 41 are connected to the first and second air supply ducts 32 and 42, respectively, and the first and second air supply ducts 32 and 42 are provided with the fifth and sixth control valves 33 and 43, respectively. The first air supply pipeline 32 and the second air supply pipeline 42 respectively supply hydrogen to the first dipleg 31 and the second dipleg 41.
In this embodiment, the top of the cold high-pressure separator 7 is provided with a cold high-pressure gas outlet 74, and the top of the cold low-pressure separator 8 is provided with a cold low-pressure gas outlet 85. And the gas separated by the cold low-pressure separator 8 enters a fuel gas system after being desulfurized.
Example 2
A method of using a suspended bed external separation system, comprising the steps of:
the high-pressure feeding pump 1 feeds from the middle lower part of the bottom bed layer of the suspension bed reactor 2, and reacts with the catalyst in the suspension bed along with the upward hot air flow by mixing with the heavy components of the first dipleg 31 and the second dipleg 41;
after the top product of the suspended bed reactor 2 is sequentially separated by a primary cyclone separator 3 and a secondary cyclone separator 4, the light component enters a fixed bed reactor 5 for reactions such as demetallization and denitrification again; heavy components separated from the first dipleg 31 and the second dipleg 41 and oil products containing catalyst powder and heavy metal enter the suspension bed reactor 2 again to react with the raw materials in a mixing way;
the bottom of suspended bed reactor 2 is deposited to the inside heavy ends of suspended bed reactor 2, observes the sedimentary liquid level in bottom through level gauge 22, and when the liquid level was higher than 30%, open first control valve 71 and arrange the heavy ends outward, carried cold high pressure separator 7 after through the heat exchanger 6 heat transfer, and the gas after the separation gets into the circulating hydrogen system, and the liquid oil phase after the separation gets into cold low pressure separator 8 and separates, and the oil after the separation is sent to storage tank precipitation separation by oil pipeline 81.
In this embodiment, the acidic water generated by the cold high-pressure separator 7 and the cold low-pressure separator 8 is mixed by the third control valve 73 and the fourth control valve 84, and then is sent to an acidic water and sewage treatment plant for treatment; and the gas separated by the cold low-pressure separator 8 enters a fuel gas system after being desulfurized.
In this embodiment, the first air supply duct 32 and the second air supply duct 42 respectively supply hydrogen to the first dipleg 31 and the second dipleg 41.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (10)
1. A suspension bed external separation system, characterized in that: comprises a high-pressure feed pump, a suspended bed reactor, a primary cyclone separator, a secondary cyclone separator, a fixed bed reactor, a heat exchanger, a cold high-pressure separator and a cold low-pressure separator;
the outlet of the high-pressure feed pump is connected with the bottom inlet of the suspended bed reactor, the bottom of the primary cyclone separator is connected with a first dipleg, the bottom of the secondary cyclone separator is connected with a second dipleg, the tail ends of the first dipleg and the second dipleg are respectively connected with the bottom inlet of the suspended bed reactor, the top inlet of the primary cyclone separator is connected with the top outlet of the suspended bed reactor, the top outlet of the primary cyclone separator is connected with the top inlet of the secondary cyclone separator, the top outlet of the secondary cyclone separator is connected with the top inlet of the fixed bed reactor, and the bottom of the fixed bed reactor is connected with a product conveying pipeline;
the bottom outlet of the suspended bed reactor is connected with the inlet of the heat exchanger, a discharge control valve is arranged between the bottom outlet of the suspended bed reactor and the inlet of the heat exchanger, the outlet of the heat exchanger is connected with the inlet of the cold high-pressure separator, the liquid phase outlet of the cold high-pressure separator is connected with the inlet of the cold low-pressure separator, and the liquid phase outlet of the cold low-pressure separator is connected with an oil product conveying pipeline.
2. A suspended bed external separation system as claimed in claim 1, wherein: and a liquid level meter is arranged at the bottom of the suspension bed reactor.
3. A suspended bed external separation system as claimed in claim 1, wherein: and a first control valve is arranged between the liquid phase outlet of the cold high-pressure separator and the inlet of the cold low-pressure separator.
4. A suspended bed external separation system as claimed in claim 1, wherein: and the oil product conveying pipeline is provided with a second control valve.
5. A suspended bed external separation system as claimed in claim 1, wherein: the bottom of the cold high-pressure separator is connected with a first acidic water pipeline, the bottom of the cold low-pressure separator is connected with a second acidic water pipeline, the first acidic water pipeline is provided with a third control valve, the second acidic water pipeline is provided with a fourth control valve, and the tail ends of the first acidic water pipeline and the tail ends of the second acidic water pipeline are combined.
6. A suspended bed external separation system as claimed in claim 1, wherein: the first dipleg and the second dipleg are respectively connected with a first air supply pipeline and a second air supply pipeline, and the first air supply pipeline and the second air supply pipeline are respectively provided with a fifth control valve and a sixth control valve.
7. A suspended bed external separation system as claimed in claim 1, wherein: the top of cold high pressure separator is provided with cold high branch gas export, the top of cold low pressure separator is provided with cold low branch gas export.
8. A method of using a suspended bed external separation system as claimed in any one of claims 1 to 7, wherein: the method comprises the following steps:
the high-pressure feeding pump feeds from the middle lower part of the bottom bed layer of the suspension bed reactor, and the heavy components are mixed with the heavy components of the first dipleg and the second dipleg and react with the catalyst in the suspension bed along with the upward hot gas flow;
separating the top product of the suspended bed reactor by a primary cyclone separator and a secondary cyclone separator in sequence, and then feeding the light component into the fixed bed reactor for secondary demetalization, denitrification and other reactions; heavy components separated from the first dipleg and the second dipleg and oil products containing catalyst powder and heavy metals enter the suspension bed reactor again to react with the raw materials in a mixing way;
the heavy component in the suspended bed reactor is deposited at the bottom of the suspended bed reactor, the liquid level of the bottom deposit is observed through a liquid level meter, when the liquid level is higher than 30%, a first control valve is opened to discharge the heavy component outwards, the heavy component is conveyed to a cold high-pressure separator after heat exchange through a heat exchanger, the separated gas enters a circulating hydrogen system, the separated liquid oil phase enters a cold low-pressure separator for separation, and the separated oil is conveyed to a storage tank for precipitation separation through an oil conveying pipeline.
9. A method of using a suspended bed external separation system according to claim 8, wherein: the acidic water generated by the cold high-pressure separator and the cold low-pressure separator is mixed by a third control valve and a fourth control valve and then is sent to an acidic water and sewage treatment plant for treatment; and the gas separated by the cold low-pressure separator enters a fuel gas system after being desulfurized.
10. A method of using a suspended bed external separation system according to claim 8, wherein: the first air supply pipeline and the second air supply pipeline are used for conveying hydrogen for the first dipleg and the second dipleg respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111247827.9A CN113897210B (en) | 2021-10-26 | 2021-10-26 | External separation system of suspension bed and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111247827.9A CN113897210B (en) | 2021-10-26 | 2021-10-26 | External separation system of suspension bed and application method thereof |
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| Publication Number | Publication Date |
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| CN113897210A true CN113897210A (en) | 2022-01-07 |
| CN113897210B CN113897210B (en) | 2023-12-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203559012U (en) * | 2013-09-25 | 2014-04-23 | 北京石油化工工程有限公司 | Coal tar treatment system |
| US20170145320A1 (en) * | 2014-06-19 | 2017-05-25 | Catech Technology Co., Ltd. | Residue slurry bed hydrocracking method and device |
| CN206204233U (en) * | 2016-11-30 | 2017-05-31 | 胜帮科技股份有限公司 | A kind of boiling bed hydrogenation system of high solids content coal tar |
| CN210826069U (en) * | 2019-10-21 | 2020-06-23 | 陕西延长石油(集团)有限责任公司研究院 | Upper and lower double-heat high-resolution suspension bed reaction device |
| CN113214861A (en) * | 2021-06-16 | 2021-08-06 | 延安大学 | Coal tar suspension bed coupling fixed bed hydrocracking process and device |
-
2021
- 2021-10-26 CN CN202111247827.9A patent/CN113897210B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203559012U (en) * | 2013-09-25 | 2014-04-23 | 北京石油化工工程有限公司 | Coal tar treatment system |
| US20170145320A1 (en) * | 2014-06-19 | 2017-05-25 | Catech Technology Co., Ltd. | Residue slurry bed hydrocracking method and device |
| CN206204233U (en) * | 2016-11-30 | 2017-05-31 | 胜帮科技股份有限公司 | A kind of boiling bed hydrogenation system of high solids content coal tar |
| CN210826069U (en) * | 2019-10-21 | 2020-06-23 | 陕西延长石油(集团)有限责任公司研究院 | Upper and lower double-heat high-resolution suspension bed reaction device |
| CN113214861A (en) * | 2021-06-16 | 2021-08-06 | 延安大学 | Coal tar suspension bed coupling fixed bed hydrocracking process and device |
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| CN113897210B (en) | 2023-12-26 |
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