CN113897210B - External separation system of suspension bed and application method thereof - Google Patents
External separation system of suspension bed and application method thereof Download PDFInfo
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- CN113897210B CN113897210B CN202111247827.9A CN202111247827A CN113897210B CN 113897210 B CN113897210 B CN 113897210B CN 202111247827 A CN202111247827 A CN 202111247827A CN 113897210 B CN113897210 B CN 113897210B
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- bed reactor
- pressure separator
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- 239000000725 suspension Substances 0.000 title claims abstract description 35
- 238000000926 separation method Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000003054 catalyst Substances 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000007789 gas Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 20
- 239000002253 acid Substances 0.000 claims description 16
- 239000007791 liquid phase Substances 0.000 claims description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 239000002737 fuel gas Substances 0.000 claims description 4
- 239000012071 phase Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 2
- 238000005984 hydrogenation reaction Methods 0.000 abstract description 3
- 239000000295 fuel oil Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 14
- 230000002378 acidificating effect Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010865 sewage Substances 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
- 238000007599 discharging Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- 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
-
- 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
Landscapes
- 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 suspended bed hydrogenation, in particular to an external separation system of a suspended bed and a use method thereof, wherein the external separation system of the suspended bed 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 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 suspended bed reactor again for reaction separation; 2. the operation period of a 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, catalyst powder, heavy metal and other parts at the bottom of the suspension bed reactor are intermittently discharged, so that the load of the suspension bed reactor is reduced.
Description
Technical Field
The invention relates to the technical field of suspended bed hydrogenation, in particular to an external separation system of a suspended bed and a use method thereof.
Background
At present, in the second-generation biodiesel hydrogenation device, the operation period of a reaction system is short, and the reaction system is mainly characterized in that the pressure drop of a bed layer is increased in a short time, and the product changes color, so that the device cannot continue to operate. And the catalyst powder and the oil product containing high heavy metal in the suspension bed are carried to the fixed bed reactor through the airflow, so that the catalyst pore canal of the fixed bed reactor is blocked very quickly, the pressure drop of the bed layer is increased, and the continuous operation cannot be carried out. The catalyst has short service cycle, frequent shutdown, catalyst replacement and the like, and the production cost is increased.
Disclosure of Invention
In order to overcome the disadvantages and shortcomings of the prior art, the present invention is directed to an external separation system for a suspended bed and a method of using the same.
The aim of the invention is achieved by the following technical scheme: an external separation system of a suspension bed 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 middle-lower 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 suspension 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 delivery pipe is provided with a second control valve.
Preferably, the bottom of the cold high-pressure separator is connected with a first acid water pipeline, the bottom of the cold low-pressure separator is connected with a second acid water pipeline, the first acid water pipeline is provided with a third control valve, the second acid water pipeline is provided with a fourth control valve, and the tail ends of the first acid water pipeline and the second acid 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, a cold high-pressure gas outlet is arranged at the top of the cold high-pressure separator, and a cold low-pressure gas outlet is arranged at the top of the cold low-pressure separator.
The other object of the invention is achieved by the following technical scheme: a method of using a separation system external to a suspended bed, comprising the steps of:
the high-pressure feed pump feeds from the middle lower part of the bottom bed layer of the suspension bed reactor, and reacts with the catalyst in the suspension bed along with the upward hot gas flow by mixing with heavy components of the first dipleg and the second dipleg;
the top product of the suspension bed reactor is separated by a primary cyclone separator and a secondary cyclone separator in sequence, and the light component enters the fixed bed reactor to perform demetallization, denitrification and other reactions again; the heavy components separated from the first dipleg and the second dipleg and the oil product containing catalyst powder and heavy metals enter the suspended bed reactor again to be mixed and reacted with the raw materials;
heavy components in the suspension bed reactor are deposited at the bottom of the suspension bed reactor, the deposited liquid level at the bottom 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 components, the heavy components are 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 to be separated, and the separated oil product is conveyed to a storage tank by an oil product conveying pipeline to be precipitated and separated;
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 sent to an acidic water treatment plant for treatment; and the gas separated by the cold low-pressure separator is desulfurized and then enters a fuel gas system.
Preferably, the first air supply pipeline and the second air supply pipeline respectively convey hydrogen for 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 suspended bed reactor again for reaction separation;
2. the operation period of a 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. intermittently discharging heavy oil, catalyst powder, heavy metal and other parts at the bottom of the suspension bed reactor, so as to reduce the load of the suspension bed reactor;
4. the service life of the catalyst is prolonged, the running period of the device is prolonged, the replacement times of the catalyst are reduced, and the production running cost is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The reference numerals are: the high-pressure feed pump 1, the suspended bed reactor 2, the discharge control valve 21, the liquid level meter 22, the primary cyclone 3, the first dipleg 31, the first air supply pipeline 32, the fifth control valve 33, the secondary cyclone 4, the second dipleg 41, the second air supply pipeline 42, the sixth control valve 43, the fixed bed reactor 5, the product conveying pipeline 51, the heat exchanger 6, the cold high-pressure separator 7, the first control valve 71, the first acid water pipeline 72, the third control valve 73, the cold high-pressure gas outlet 74, the cold low-pressure separator 8, the oil conveying pipeline 81, the second control valve 82, the second acid water pipeline 83, the fourth control valve 84 and the cold low-pressure gas outlet 85.
Detailed Description
The present invention is further described below with reference to examples and fig. 1 for the understanding of those skilled in the art, and the description of the embodiments is not intended to limit the present invention.
Example 1
Referring to fig. 1, an external separation system of a suspension bed comprises 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;
the outlet of the high-pressure feed pump 1 is connected with the middle-lower inlet of the suspended bed reactor 2, the bottom of the primary cyclone 3 is connected with a first dipleg 31, the bottom of the secondary cyclone 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 the bottom inlet of the suspended bed reactor 2, the top inlet of the primary cyclone 3 is connected with the top outlet of the suspended bed reactor 2, the top outlet of the primary cyclone 3 is connected with the top inlet of the secondary cyclone 4, the top outlet of the secondary cyclone 4 is connected with the 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.
Cyclone separator principle of operation: cyclone separators are dry gas-solid separation devices that utilize the centrifugal force of a gas-solid mixture as it rotates at high speed to separate or separate solid particulates from a gas stream. The separation efficiency is high because the centrifugal force to which the particles are subjected is much greater than the gravitational and inertial forces. 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 to 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 gauge 22 is provided at the bottom of the suspension bed reactor 2. The level gauge 22 is provided to facilitate the observation of the level of heavy fraction deposited at the bottom of the suspension bed reactor 2.
In this embodiment, a first control valve 71 is arranged 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 bottom of the cold high pressure separator 7 is connected with a first acidic water pipe 72, the bottom of the cold low pressure separator 8 is connected with a second acidic water pipe 83, the first acidic water pipe 72 is provided with a third control valve 73, the second acidic water pipe 83 is provided with a fourth control valve 84, and the ends of the first acidic water pipe 72 and the second acidic water pipe 83 are combined. The sour 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 a sewage treatment plant for treatment.
In this embodiment, the first dipleg 31 and the second dipleg 41 are respectively connected to a first air supply duct 32 and a second air supply duct 42, and the first air supply duct 32 and the second air supply duct 42 are respectively provided with a fifth control valve 33 and a sixth control valve 43. The first air supply duct 32 and the second air supply duct 42 supply hydrogen to the first dipleg 31 and the second dipleg 41, respectively.
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. The gas separated by the cold low-pressure separator 8 is desulfurized and then enters a fuel gas system.
Example 2
A method of using a separation system external to a suspended bed, comprising the steps of:
the high-pressure feed pump 1 feeds from the middle lower part of the bottom bed layer of the suspended bed reactor 2, and reacts with the catalyst in the suspended bed along with the upward hot gas flow by mixing with heavy components of the first dipleg 31 and the second dipleg 41;
the top product of the suspension bed reactor 2 is separated by a primary cyclone separator 3 and a secondary cyclone separator 4 in sequence, and the light component enters a fixed bed reactor 5 to perform demetallization, denitrification and other reactions again; the heavy components separated from the first dipleg 31 and the second dipleg 41 and the oil product containing catalyst powder and heavy metals enter the suspended bed reactor 2 again to be mixed and reacted with the raw materials;
the heavy components in the suspension bed reactor 2 are deposited at the bottom of the suspension bed reactor 2, the deposited liquid level at the bottom is observed through a liquid level meter 22, when the liquid level is higher than 30%, a first control valve 71 is opened to discharge the heavy components, the heavy components are conveyed to a cold high-pressure separator 7 after heat exchange through a heat exchanger 6, the separated gas enters a circulating hydrogen system, the separated liquid oil phase enters a cold low-pressure separator 8 for separation, and the separated oil product is conveyed to a storage tank for precipitation separation through an oil product conveying pipeline 81;
in this embodiment, the sour 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 the sour water and sewage treatment plant for treatment; the gas separated by the cold low-pressure separator 8 is desulfurized and then enters a fuel gas system.
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 embodiments are preferred embodiments of the present invention, and besides, the present invention may be implemented in other ways, and any obvious substitution is within the scope of the present invention without departing from the concept of the present invention.
Claims (2)
1. An external separation system for a suspended bed, characterized in that: the device 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 middle-lower 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;
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, and the oil product conveying pipeline is provided with a second control valve; the bottom of the cold high-pressure separator is connected with a first acid water pipeline, the bottom of the cold low-pressure separator is connected with a second acid water pipeline, the first acid water pipeline is provided with a third control valve, the second acid water pipeline is provided with a fourth control valve, and the tail ends of the first acid water pipeline and the second acid water pipeline are combined;
the bottom of the suspension bed reactor is provided with a liquid level meter; the first material leg and the second material leg 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; 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;
heavy components in the suspension bed reactor are deposited at the bottom of the suspension bed reactor, the deposited liquid level at the bottom is observed through a liquid level meter, when the liquid level is higher than 30%, the first control valve is opened to discharge the heavy components, the heavy components are conveyed to the cold high-pressure separator after heat exchange through the heat exchanger, the separated gas enters the circulating hydrogen system, the separated liquid oil phase enters the cold low-pressure separator to be separated, and the separated oil product is conveyed to the storage tank by the oil product conveying pipeline to be precipitated and separated.
2. A method of using a separation system external to a suspended bed as set forth in claim 1, wherein: the method comprises the following steps:
the high-pressure feed pump feeds from the middle lower part of the bottom bed layer of the suspension bed reactor, and reacts with the catalyst in the suspension bed along with the upward hot gas flow by mixing with heavy components of the first dipleg and the second dipleg;
the top product of the suspension bed reactor is separated by a primary cyclone separator and a secondary cyclone separator in sequence, and then the light component enters the fixed bed reactor for demetallization and denitrification reaction again; the heavy components separated from the first dipleg and the second dipleg and the oil product containing catalyst powder and heavy metals enter the suspended bed reactor again to be mixed and reacted with the raw materials;
heavy components in the suspension bed reactor are deposited at the bottom of the suspension bed reactor, the deposited liquid level at the bottom 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 components, the heavy components are 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 to be separated, and the separated oil product is conveyed to a storage tank by an oil product conveying pipeline to be precipitated and separated;
the acid 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 acid water treatment plant for treatment; the gas separated by the cold low-pressure separator is desulfurized and then enters a fuel gas system; the first air supply pipeline and the second air supply pipeline respectively convey hydrogen for the first dipleg and the second dipleg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| 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 CN113897210A (en) | 2022-01-07 |
| CN113897210B true CN113897210B (en) | 2023-12-26 |
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Citations (4)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104017601B (en) * | 2014-06-19 | 2016-11-09 | 北京中科诚毅科技发展有限公司 | A kind of residual oil slurry bed system method for hydrogen cracking and device |
-
2021
- 2021-10-26 CN CN202111247827.9A patent/CN113897210B/en active Active
Patent Citations (4)
| 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 |
| 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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| CN113897210A (en) | 2022-01-07 |
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