CN113521954A - Device and method for recovering blow-down gas of oil content system of hydrogen-nitrogen compressor - Google Patents
Device and method for recovering blow-down gas of oil content system of hydrogen-nitrogen compressor Download PDFInfo
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- CN113521954A CN113521954A CN202110942262.XA CN202110942262A CN113521954A CN 113521954 A CN113521954 A CN 113521954A CN 202110942262 A CN202110942262 A CN 202110942262A CN 113521954 A CN113521954 A CN 113521954A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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Abstract
A kind of hydrogen nitrogen compressor oil content system blowdown gas recovery unit, including buffer, oil trap, oil separator and gasholder; the gas inlet of the buffer is connected with a blowdown gas pipeline of an oil content system of the hydrogen-nitrogen compressor, the gas outlet of the buffer is connected with the oil collector, the gas outlet of the oil collector is connected with the oil separator, and the gas phase outlet of the oil separator is connected with the inlet of the gas holder. The recovery method comprises the following steps: firstly, enabling the blow-down gas of a blow-down gas pipeline of the hydrogen-nitrogen compressor oil subsystem to enter a buffer for buffering and cooling; then the oil enters an oil collector to separate part of oil and water, and the gas enters an oil separator; then further separating oil and water in the oil separator, sending the separated oil and water to a sewage station for treatment, and sending the separated gas into a gas making cabinet for collection. The invention recycles the blow-down gas of the original compressor oil subsystem by physical separation through arranging the buffer, the oil collector and the oil separator, effectively solves the loss of effective gases such as hydrogen, nitrogen and the like, and protects the environment.
Description
Technical Field
The invention relates to a device and a method for recovering a blowdown gas of an oil system of a hydrogen-nitrogen compressor.
Background
In the existing synthetic ammonia production, the blow-down gas of the hydrogen-nitrogen compressor oil subsystem is discharged directly, so that the loss of effective gases such as hydrogen and nitrogen can be caused by direct discharge, and a part of gas such as VOC (volatile organic compounds) contained in the blow-down gas also can cause certain pollution to the environment, so that the problem needs to be treated, and the problems of saving and solving the environmental pollution are solved.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a recovery device for the blowdown gas of an oil system of a hydrogen-nitrogen compressor, which recycles the blowdown gas of an original compressor oil subsystem through physical separation by arranging a buffer, an oil collector and an oil separator, effectively solves the loss of effective gases such as hydrogen, nitrogen and the like, and protects the environment.
The second technical problem to be solved by the invention is to provide the recovery method of the hydrogen-nitrogen compressor oil system blow-down gas recovery device, and the method has the advantages of simple steps, convenient operation and good separation effect.
In order to solve the first technical problem, the invention provides a device for recovering blowdown gas of a hydrogen-nitrogen compressor oil subsystem, which comprises a buffer, an oil collector, an oil separator and a gas holder;
the gas inlet of the buffer is connected with a blowdown gas pipeline of an oil content system of the hydrogen-nitrogen compressor, the gas outlet of the buffer is connected with the oil collector, the gas outlet of the oil collector is connected with the oil separator, and the gas phase outlet of the oil separator is connected with the inlet of the gas holder.
For the sake of simple explanation, the device for recovering the blow-down gas of the oil system of the hydrogen-nitrogen compressor is simply referred to as the device below.
The device has the advantages that: this device is through setting up buffer, oil collector, oil separator to the physics separation, to former compressor oil branch system blowdown blow-down gas recycle, effectively solved the loss of effective gases such as hydrogen, nitrogen gas, wherein mixture (profit) and VOC of compressor oil and water have also been protected to the environment simultaneously.
In order to solve the second technical problem, the invention provides a method for recovering a hydrogen-nitrogen compressor oil subsystem blow-down gas recovery device, which comprises the following steps:
(1) firstly, enabling the blow-down gas of a blow-down gas pipeline of the hydrogen-nitrogen compressor oil subsystem to enter a buffer for buffering and cooling;
(2) the cooled blow-down gas enters an oil collector to separate part of oil and water, the oil and water are sent to a sewage station for treatment, and the gas enters an oil separator;
(3) the gas entering the oil separator further separates oil and water in the oil separator, the separated oil and water are sent to a sewage station for treatment, and the rest gas enters a gas making cabinet for collection.
For the sake of simplicity of explanation, the method for recovering the waste gas from the oil system of the hydrogen-nitrogen compressor is hereinafter referred to as the method.
The method has the advantages that: the method has simple steps, convenient operation and good separation effect. Reducing the production cost and protecting the environment.
Drawings
FIG. 1 is a schematic flow diagram of the present invention.
Detailed Description
Referring to fig. 1, a hydrogen-nitrogen compressor oil subsystem blowdown gas recovery device comprises a buffer 1, an oil collector 2, an oil separator 3 and a gas holder 4;
the air inlet of the buffer 1 is connected with a blowdown gas pipeline of an oil content system of a hydrogen-nitrogen compressor, the air outlet of the buffer 1 is connected with the oil collector 2, the air outlet of the oil collector 2 is connected with the oil separator 3, and the gas phase outlet of the oil separator 3 is connected with the inlet of the gas holder 4.
The device has the advantages that: this device is through setting up buffer 1, oil collector 2, oil separator 3 to the physical separation, to the gaseous recycle of former compressor oil branch system blowdown unloading, effectively solved the loss of effective gases such as hydrogen, nitrogen gas, wherein mixture (profit) and VOC of compressor oil and water have also been protected to the while.
A recovery method of a hydrogen nitrogen compressor oil content system blow-down gas recovery device comprises the following steps:
(1) the method comprises the following steps that firstly, blowdown gas of a blowdown gas pipeline of a hydrogen-nitrogen compressor oil subsystem enters a buffer 1 for buffering and cooling, wherein the temperature of the original gas is about 38 ℃, and the temperature of the cooled gas is about 35.2 ℃;
(2) the cooled blow-down gas enters an oil collector 2 to separate part of oil and water, the oil and water are sent to a sewage station for treatment, and the gas enters an oil separator 3;
(3) the gas entering the oil separator 3 further separates oil and water in the oil separator 3, the separated oil and water are sent to a sewage station for treatment, and the rest gas enters a gas making cabinet 4 for collection.
The method has the advantages that: the method has simple steps, convenient operation and good separation effect. Reducing the production cost and protecting the environment.
In the above embodiment, the buffer adopts a conventional buffer tank, the buffer tank utilizes heat transfer of the outer wall of the buffer tank to cool, the oil collector adopts a common oil-water collecting device (oil is collected by a funnel), the oil separator is an existing oil-gas separator, and the gas holder is also an existing conventional gas holder.
Claims (2)
1. The utility model provides a hydrogen nitrogen compressor oil content system blowdown gas's recovery unit which characterized in that: comprises a buffer, an oil collector, an oil separator and a gas holder;
the gas inlet of the buffer is connected with a blowdown gas pipeline of an oil content system of the hydrogen-nitrogen compressor, the gas outlet of the buffer is connected with the oil collector, the gas outlet of the oil collector is connected with the oil separator, and the gas phase outlet of the oil separator is connected with the inlet of the gas holder.
2. The recycling method of the hydrogen nitrogen compressor oil system blow-down gas recycling device according to claim 1, characterized by comprising the following steps:
(1) firstly, enabling the blow-down gas of a blow-down gas pipeline of the hydrogen-nitrogen compressor oil subsystem to enter a buffer for buffering and cooling;
(2) the cooled blow-down gas enters an oil collector to separate part of oil and water, the oil and water are sent to a sewage station for treatment, and the gas enters an oil separator;
(3) the gas entering the oil separator further separates oil and water in the oil separator, the separated oil and water are sent to a sewage station for treatment, and the rest gas enters a gas making cabinet for collection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110942262.XA CN113521954A (en) | 2021-08-17 | 2021-08-17 | Device and method for recovering blow-down gas of oil content system of hydrogen-nitrogen compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110942262.XA CN113521954A (en) | 2021-08-17 | 2021-08-17 | Device and method for recovering blow-down gas of oil content system of hydrogen-nitrogen compressor |
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| Publication Number | Publication Date |
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| CN113521954A true CN113521954A (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110942262.XA Withdrawn CN113521954A (en) | 2021-08-17 | 2021-08-17 | Device and method for recovering blow-down gas of oil content system of hydrogen-nitrogen compressor |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0329919A1 (en) * | 1988-02-25 | 1989-08-30 | Maschinenfabrik Sulzer-Burckhardt AG | Device for the removal of oil from a current of pressurized gas |
| WO2006024030A2 (en) * | 2004-08-24 | 2006-03-02 | Advanced Extraction Technologies, Inc. | Combined use of external and internal solvents in processing gases containing light, medium and heavy components |
| CN103879963A (en) * | 2014-02-20 | 2014-06-25 | 康乃尔化学工业股份有限公司 | Methanation device for optimized production of synthetic ammonia |
| CN104234977A (en) * | 2014-09-27 | 2014-12-24 | 安徽金禾实业股份有限公司 | Hydronitrogen compressor vent line buffer recovery device |
| CN204816126U (en) * | 2015-06-30 | 2015-12-02 | 河南金大地化工有限责任公司 | Pressure swing adsorption recovery system that drops a hint among urea production |
| CN110152439A (en) * | 2019-05-13 | 2019-08-23 | 平顶山市神马万里化工股份有限公司 | A kind of energy conservation and environmental protection system separating organic matter, nitrogen from organic discharge gas |
| CN112723383A (en) * | 2020-12-01 | 2021-04-30 | 安徽金禾实业股份有限公司 | Method for recovering sewage gas of synthetic high-pressure system |
-
2021
- 2021-08-17 CN CN202110942262.XA patent/CN113521954A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0329919A1 (en) * | 1988-02-25 | 1989-08-30 | Maschinenfabrik Sulzer-Burckhardt AG | Device for the removal of oil from a current of pressurized gas |
| WO2006024030A2 (en) * | 2004-08-24 | 2006-03-02 | Advanced Extraction Technologies, Inc. | Combined use of external and internal solvents in processing gases containing light, medium and heavy components |
| CN103879963A (en) * | 2014-02-20 | 2014-06-25 | 康乃尔化学工业股份有限公司 | Methanation device for optimized production of synthetic ammonia |
| CN104234977A (en) * | 2014-09-27 | 2014-12-24 | 安徽金禾实业股份有限公司 | Hydronitrogen compressor vent line buffer recovery device |
| CN204816126U (en) * | 2015-06-30 | 2015-12-02 | 河南金大地化工有限责任公司 | Pressure swing adsorption recovery system that drops a hint among urea production |
| CN110152439A (en) * | 2019-05-13 | 2019-08-23 | 平顶山市神马万里化工股份有限公司 | A kind of energy conservation and environmental protection system separating organic matter, nitrogen from organic discharge gas |
| CN112723383A (en) * | 2020-12-01 | 2021-04-30 | 安徽金禾实业股份有限公司 | Method for recovering sewage gas of synthetic high-pressure system |
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Application publication date: 20211022 |