CN110699113B - Using method of production system for hydrodeoxygenation and desulfurization of raw oil - Google Patents
Using method of production system for hydrodeoxygenation and desulfurization of raw oil Download PDFInfo
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- CN110699113B CN110699113B CN201911008944.2A CN201911008944A CN110699113B CN 110699113 B CN110699113 B CN 110699113B CN 201911008944 A CN201911008944 A CN 201911008944A CN 110699113 B CN110699113 B CN 110699113B
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- raw oil
- heat exchanger
- hydrogenation
- desulfurization
- coil
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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
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/02—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
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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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
- C10G2300/202—Heteroatoms content, i.e. S, N, O, P
Abstract
A production system for hydrodeoxygenation desulfurization of raw oil is used, wherein a hydrogenation mechanism is arranged on one side of a stirring tank, a pipeline is arranged between a discharge port of the stirring tank and a feed port of the hydrogenation mechanism, a heat exchanger is arranged on one side of the hydrogenation mechanism, a pipeline is arranged between a discharge port of the hydrogenation mechanism and a feed port of the heat exchanger, a storage tank is arranged at the lower end of the heat exchanger, a desulfurization mechanism is arranged on one side of the heat exchanger, and a connecting pipe is arranged between an air inlet of the desulfurization mechanism and an air outlet of the heat exchanger; the invention adopts a low-temperature low-pressure mode to perform deoxidation and desulfurization on the raw oil, and performs chemical reaction by adding hydrogen, hydrogen and oxygen molecules and sulfur molecules in the raw oil, and the discharged gas is clean air, thereby meeting the detection requirements of environmental protection departments, greatly improving the product quality and greatly reducing the production cost.
Description
Technical Field
The invention relates to the field of raw oil production, in particular to a using method of a production system for hydrodeoxygenation and desulfurization of raw oil.
Background
At present, enterprises adopt a high-temperature high-pressure method to perform deoxidation and desulfurization on raw oil, the deoxidation and desulfurization effect is poor, the product quality is low, the production cost is high, how to reduce the production cost and improve the product quality becomes a technical problem which is difficult to solve for a long time.
In view of the above, a production system for hydrodeoxygenation and desulfurization of feedstock oil has been developed and used.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a using method of a production system for hydrodeoxygenation and desulfurization of raw oil, raw oil is deoxygenated and desulfurized in a low-temperature and low-pressure mode, hydrogen and oxygen molecules and sulfur molecules in the raw oil are added to carry out chemical reaction, and exhausted gas is clean air, so that the detection requirements of an environmental protection department are met, the product quality is greatly improved, and the production cost is greatly reduced.
In order to achieve the purpose, the invention adopts the following technical scheme: a method for using a production system for hydrodeoxygenation and desulfurization of raw oil, the production system for hydrodeoxygenation and desulfurization of raw oil comprises the following steps: the device comprises a stirring tank, a shell, a hearth, a coil pipe, a hydrogen source, a hydrogenation pump, a heat exchanger, a storage tank, a desulfurization mechanism and a connecting pipe; a hydrogenation mechanism is arranged on one side of the stirring tank, a pipeline is arranged between a discharge port of the stirring tank and a feed inlet of the hydrogenation mechanism, a heat exchanger is arranged on one side of the hydrogenation mechanism, a pipeline is arranged between a discharge port of the hydrogenation mechanism and a feed inlet of the heat exchanger, a storage tank is arranged at the lower end of the heat exchanger, a desulfurization mechanism is arranged on one side of the heat exchanger, and a connecting pipe is arranged between an air inlet of the desulfurization mechanism and an air outlet of the heat exchanger;
the structure of the hydrogenation mechanism is as follows: a hydrogen source is arranged on one side of the shell, a coil is arranged in the shell, a pipeline is arranged between a discharge port of the stirring tank and a feed inlet at the lower end of the coil, a pipeline is arranged between a discharge port at the upper end of the coil and the heat exchanger, a hearth is arranged below the coil, hydrogenation pumps are uniformly distributed on the side wall of the shell, an air inlet pipeline is arranged between the hydrogenation pumps and an elbow of the coil, and a pipeline is arranged between the hydrogen source and the hydrogenation pumps;
the temperature in the hearth is less than or equal to 300 ℃;
the pressure of the coil pipe is less than or equal to 8kgf/cm2；
According to the using method of the production system for hydrodeoxygenation and desulfurization of raw oil, raw oil enters the hydrogenation mechanism after being stirred by the stirring tank, the raw oil is subjected to chemical reaction in the hydrogenation mechanism, the reacted raw oil enters the heat exchanger for heat exchange and then enters the storage tank, and gas discharged from the heat exchanger enters the desulfurization mechanism for desulfurization and then is discharged.
The raw oil and the desulfurization and deoxidation additive are stirred by a stirring tank, the stirred raw oil is conveyed into a coil pipe by a pipeline, meanwhile, the hearth is heated, the volume of the raw oil heated in the coil pipe is increased, the flow rate is increased, the moisture in the raw oil is heated and converted into vapor, when the raw oil passes through the elbow of the coil pipe, the flow rate of the raw oil is reduced, meanwhile, a hydrogenation pump injects hydrogen into the coil, the hydrogen and sulfur in the raw oil are subjected to chemical reaction to generate hydrogen sulfide, the hydrogen and oxygen in the raw oil are subjected to chemical reaction to generate water, the water is heated and converted into water vapor, the hydrogen sulfide and the water vapor generate mixed gas, the raw oil and the mixed gas are conveyed to the heat exchanger through a discharge hole in the upper end of the coil, the raw oil enters the storage tank through the discharge hole of the heat exchanger for storage, the mixed gas enters the desulfurization mechanism through an exhaust hole of the heat exchanger, and the mixed gas is desulfurized by the desulfurization mechanism and then becomes clean air to be discharged.
The length of the coil pipe is 600 m.
The invention has the beneficial effects that: the invention adopts a low-temperature low-pressure mode to perform deoxidation and desulfurization on the raw oil, and performs chemical reaction by adding hydrogen, hydrogen and oxygen molecules and sulfur molecules in the raw oil, and the discharged gas is clean air, thereby meeting the detection requirements of environmental protection departments, greatly improving the product quality and greatly reducing the production cost.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of the assembly structure;
in fig. 1: the device comprises a stirring tank 1, a shell 2, a hearth 2.1, a coil pipe 3, a hydrogen source 4, a hydrogenation pump 5, a heat exchanger 6, a storage tank 7, a desulfurization mechanism 8 and a connecting pipe 9.
Detailed Description
The present invention will be described in further detail with reference to the following examples and embodiments:
example 1
A hydrogenation mechanism is arranged on one side of the stirring tank 1, a pipeline is arranged between a discharge port of the stirring tank 1 and a feed port of the hydrogenation mechanism, a heat exchanger 6 is arranged on one side of the hydrogenation mechanism, a pipeline is arranged between a discharge port of the hydrogenation mechanism and a feed port of the heat exchanger 6, a storage tank 7 is arranged at the lower end of the heat exchanger 6, a desulfurization mechanism 8 is arranged on one side of the heat exchanger 6, and a connecting pipe 9 is arranged between an air inlet of the desulfurization mechanism 8 and an air outlet of the heat exchanger 6;
the structure of the hydrogenation mechanism is as follows: a hydrogen source 4 is arranged on one side of the shell 2, a coil 3 is arranged in the shell 2, a pipeline is arranged between a discharge port of the stirring tank 1 and a feed inlet at the lower end of the coil 3, a pipeline is arranged between a discharge port at the upper end of the coil 3 and a heat exchanger 6, a hearth 2.1 is arranged below the coil 3, a hydrogenation pump 5 is uniformly distributed on the side wall of the shell 2, an air inlet pipeline is arranged between the hydrogenation pump 5 and an elbow of the coil 3, and a pipeline is arranged between the hydrogen source 4 and the hydrogenation pump 5;
the temperature in the hearth is less than or equal to 300 ℃;
the pressure of the coil pipe is less than or equal to 8kgf/cm2；
According to the using method of the production system for hydrodeoxygenation and desulfurization of raw oil, raw oil enters the hydrogenation mechanism after being stirred by the stirring tank 1, the raw oil is subjected to chemical reaction in the hydrogenation mechanism, the reacted raw oil enters the heat exchanger 6 for heat exchange and then enters the storage tank 7, and gas discharged from the heat exchanger 6 enters the desulfurization mechanism 8 for desulfurization and then is discharged.
Example 2
Raw oil and a desulfurization and deoxidation additive are stirred by a stirring tank 1, the stirred raw oil is conveyed into a coil pipe 3 by a pipeline, meanwhile, a hearth 2.1 is heated, the volume of the heated raw oil in the coil pipe 3 is increased, the flow rate is increased, the moisture in the raw oil is heated and converted into steam, when the raw oil passes through an elbow of the coil pipe 3, the flow rate of the raw oil is reduced, meanwhile, a hydrogenation pump 5 injects hydrogen into the coil pipe 3, the hydrogen and sulfur in the raw oil generate a chemical reaction to generate hydrogen sulfide, the hydrogen and oxygen in the raw oil generate a chemical reaction to generate water, the water is heated and converted into steam, the hydrogen sulfide and the steam generate a mixed gas, the raw oil and the mixed gas are conveyed to a heat exchanger 6 through a discharge port at the upper end of the coil pipe 3, the raw oil enters a storage tank 7 through a discharge port of the heat exchanger 6 to be stored, and the mixed gas enters a desulfurization mechanism 8 through a discharge port of the heat exchanger 6, the mixed gas is desulfurized by the desulfurization mechanism 8 and then becomes clean air to be discharged.
Example 3
The length of the coil 3 is 600 m.
Claims (3)
1. A method for using a production system for hydrodeoxygenation and desulfurization of raw oil, the production system for hydrodeoxygenation and desulfurization of raw oil comprises the following steps: the device comprises a stirring tank (1), a shell (2), a hearth (2.1), a coil pipe (3), a hydrogen source (4), a hydrogenation pump (5), a heat exchanger (6), a storage tank (7), a desulfurization mechanism (8) and a connecting pipe (9); the method is characterized in that: a hydrogenation mechanism is arranged on one side of the stirring tank (1), a pipeline is arranged between a discharge port of the stirring tank (1) and a feed port of the hydrogenation mechanism, a heat exchanger (6) is arranged on one side of the hydrogenation mechanism, a pipeline is arranged between a discharge port of the hydrogenation mechanism and a feed port of the heat exchanger (6), a storage tank (7) is arranged at the lower end of the heat exchanger (6), a desulfurization mechanism (8) is arranged on one side of the heat exchanger (6), and a connecting pipe (9) is arranged between an air inlet of the desulfurization mechanism (8) and an air outlet of the heat exchanger (6);
the structure of the hydrogenation mechanism is as follows: a hydrogen source (4) is arranged on one side of the shell (2), a coil (3) is arranged in the shell (2), a pipeline is arranged between a discharge port of the stirring tank (1) and a lower end feed inlet of the coil (3), a pipeline is arranged between an upper end discharge port of the coil (3) and the heat exchanger (6), a hearth (2.1) is arranged below the coil (3), hydrogenation pumps (5) are uniformly distributed on the side wall of the shell (2), an air inlet pipeline is arranged between the hydrogenation pumps (5) and an elbow of the coil (3), and a pipeline is arranged between the hydrogen source (4) and the hydrogenation pumps (5);
the temperature in the hearth (2.1) is less than or equal to 300 ℃;
the pressure of the coil pipe (3) is less than or equal to 8kgf/cm2；
Raw oil enters a hydrogenation mechanism after being stirred by a stirring tank (1), the raw oil is subjected to chemical reaction in the hydrogenation mechanism, the reacted raw oil enters a heat exchanger (6) for heat exchange and then enters a storage tank (7), and gas discharged from the heat exchanger (6) enters a desulfurization mechanism (8) for desulfurization and then is discharged.
2. The method according to claim 1, wherein the method comprises the steps of: raw oil and a desulfurization and deoxidation additive are stirred by a stirring tank (1), the stirred raw oil is conveyed into a coil (3) through a pipeline, meanwhile, a hearth (2.1) is heated, the volume of the heated raw oil in the coil (3) is increased, the flow rate is increased, the moisture in the raw oil is heated and converted into water vapor, when the raw oil passes through an elbow of the coil (3), the flow rate of the raw oil is reduced, meanwhile, a hydrogenation pump (5) injects hydrogen into the coil (3), the hydrogen and sulfur in the raw oil generate a chemical reaction to generate hydrogen sulfide, the hydrogen and oxygen in the raw oil generate a chemical reaction to generate water, the water is heated and converted into water vapor, the hydrogen sulfide and the water vapor generate mixed gas, the raw oil and the mixed gas are conveyed to a heat exchanger (6) through a discharge port at the upper end of the coil (3), the raw oil enters a storage tank (7) through a discharge port of the heat exchanger (6) to be stored, the mixed gas enters the desulphurization mechanism (8) through the exhaust port of the heat exchanger (6), and the mixed gas is desulfurized by the desulphurization mechanism (8) and then becomes clean air to be discharged.
3. The method according to claim 1, wherein the method comprises the steps of: the length of the coil pipe (3) is 600 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911008944.2A CN110699113B (en) | 2019-10-23 | 2019-10-23 | Using method of production system for hydrodeoxygenation and desulfurization of raw oil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911008944.2A CN110699113B (en) | 2019-10-23 | 2019-10-23 | Using method of production system for hydrodeoxygenation and desulfurization of raw oil |
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| CN110699113A CN110699113A (en) | 2020-01-17 |
| CN110699113B true CN110699113B (en) | 2022-04-12 |
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| CN201911008944.2A Active CN110699113B (en) | 2019-10-23 | 2019-10-23 | Using method of production system for hydrodeoxygenation and desulfurization of raw oil |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102329641A (en) * | 2011-08-31 | 2012-01-25 | 洛阳金达石化有限责任公司 | Method for producing base oil of aluminium rolling oil by using molecular sieve dewaxing raw oil |
| CN103131467A (en) * | 2011-12-01 | 2013-06-05 | 北京海顺德钛催化剂有限公司 | Selective hydrodesulfurization process method of poor-quality gasoline and device |
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- 2019-10-23 CN CN201911008944.2A patent/CN110699113B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102329641A (en) * | 2011-08-31 | 2012-01-25 | 洛阳金达石化有限责任公司 | Method for producing base oil of aluminium rolling oil by using molecular sieve dewaxing raw oil |
| CN103131467A (en) * | 2011-12-01 | 2013-06-05 | 北京海顺德钛催化剂有限公司 | Selective hydrodesulfurization process method of poor-quality gasoline and device |
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| CN110699113A (en) | 2020-01-17 |
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