CN108591026A - The encapsulating method of vacuum compressor in a kind of natural gas acetylene - Google Patents
The encapsulating method of vacuum compressor in a kind of natural gas acetylene Download PDFInfo
- Publication number
- CN108591026A CN108591026A CN201711422220.3A CN201711422220A CN108591026A CN 108591026 A CN108591026 A CN 108591026A CN 201711422220 A CN201711422220 A CN 201711422220A CN 108591026 A CN108591026 A CN 108591026A
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- China
- Prior art keywords
- solvent
- vacuum compressor
- gas
- surge tank
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a kind of encapsulating methods of vacuum compressor in natural gas acetylene, the gas of the vacuum compressor outlet is detached in gas-liquid separator, liquid phase through gas-liquid separator separates enters solvent surge tank by gas-liquid separator Liquid level adjusting valve, blow-down pipe at the top of the solvent surge tank puts idle discharge, solvent in the solvent surge tank is cooled down by being pumped into solvent cooler, a solvent part after cooling enters inside vacuum compressor to cool down for gas, and the machine envelope that another part is sent into vacuum compressor is used as sealing medium.The present invention fully adapts to the sealing of vacuum compressor in natural gas acetylene unit, after liquid phase cooling by the way that vacuum compressor to be exported to gas-liquid separator, the machine envelope that a part is sent into vacuum compressor is used as sealing medium, seal request can be met in this way, it can ensure that again and do not increase desalted water into dicyandiamide solution, to reduce energy consumption and material consumption, device operating cost is effectively reduced.
Description
Technical field
The invention belongs to chemical industry equipment technical field of sealing technology, more particularly to one kind can be applied to vacuum in natural gas acetylene
The encapsulating method of compressor.
Background technology
In natural gas acetylene unit, the machine water shutoff of vacuum compressor originally used desalted water as sealing medium,
In operational process, it is found that most of desalted water is entered by machine envelope in vacuum compressor, this model machine water shutoff has been put into nmp solvent
In system, and solvent reclamation needs to go out these extra water evaporations, this needs to consume a large amount of thermal energy or steam again.If machine
It is excessive that water shutoff enters nmp solvent system, in some instances it may even be possible to the vapor liquid equilibrium of broken ring solvent regeneration unit tower.Existing flow
In, vacuum compressor exports the liquid phase of gas-liquid separator after supercooling, sprays into inside vacuum compressor, as the cold of compressor
But medium.
Invention content
It is an object of the invention to：In view of the above problems, provide one kind can meet seal request and
It does not seal desalted water and enters dicyandiamide solution, the sealing of vacuum compressor in the natural gas acetylene to reduce energy consumption and material consumption
Method.
The technical proposal of the invention is realized in this way：The encapsulating method of vacuum compressor in a kind of natural gas acetylene,
The gas of the vacuum compressor outlet is detached in gas-liquid separator, it is characterised in that：Through gas-liquid separator separates
Liquid phase enters solvent surge tank by gas-liquid separator Liquid level adjusting valve, and the blow-down pipe at the top of the solvent surge tank is to idle discharge
It puts, the solvent in the solvent surge tank is cooled down by being pumped into solvent cooler, and a solvent part after cooling enters
Cool down for gas inside vacuum compressor, the machine envelope that another part is sent into vacuum compressor is used as sealing medium.
The encapsulating method of vacuum compressor, the liquid level of the solvent surge tank in natural gas acetylene of the present invention
Liquid Liquid level adjusting valve is gone out by solvent surge tank feed liquor Liquid level adjusting valve and solvent surge tank and carries out seperating range control, to maintain solvent slow
Rush the stabilization of liquid level in tank.
The encapsulating method of vacuum compressor in natural gas acetylene of the present invention, the solvent surge tank use nitrogen
It seals valve pressure regulation and carries out nitrogen envelope protection.
The encapsulating method of vacuum compressor in natural gas acetylene of the present invention is sent into the machine envelope of vacuum compressor
Solvent as sealing medium is finally returned in solvent surge tank.
The present invention fully adapts to the sealing of vacuum compressor in natural gas acetylene unit, by exporting vacuum compressor
After the liquid phase cooling of gas-liquid separator, the machine envelope that a part is sent into vacuum compressor is used as sealing medium, can meet so close
Envelope requires, and can ensure that and do not increase desalted water into dicyandiamide solution, to reduce energy consumption and material consumption, effectively reduces device operation
Cost.
Description of the drawings
Fig. 1 is the flow diagram of the present invention.
It is marked in figure：1 is gas-liquid separator, and 2 be solvent surge tank, and 3 be gas-liquid separator Liquid level adjusting valve, and 4 be emptying
Pipe, 5 be pump, and 6 be solvent cooler, and 7 be solvent surge tank feed liquor Liquid level adjusting valve, and 8 go out the adjusting of liquid liquid level for solvent surge tank
Valve, 9 seal valve for nitrogen, and 10 be vacuum compressor.
Specific implementation mode
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, in a kind of natural gas acetylene vacuum compressor encapsulating method, the equipment related generally to includes
Gas-liquid separator 1, solvent surge tank 2, gas-liquid separator Liquid level adjusting valve 3, blow-down pipe 4, pump 5, solvent cooler 6, solvent are slow
Rush tank feed liquor Liquid level adjusting valve 7, solvent surge tank goes out liquid Liquid level adjusting valve 8, nitrogen seals valve 9 and vacuum compressor 10.
The gas that the vacuum compressor 10 exports is detached in gas-liquid separator 1, is detached through gas-liquid separator 1
Acetylene gas enters downstream from the upper outlet of gas-liquid separator 1, and the liquid phase detached through gas-liquid separator 1 is from gas-liquid separator 1
Lower part enters solvent surge tank 2 by gas-liquid separator Liquid level adjusting valve 3, and the solvent surge tank 2 in order to prevent accumulate by acetylene
Risk is generated in equipment, nitrogen envelope protection is carried out using nitrogen envelope 9 pressure regulation of valve, the blow-down pipe 4 at 2 top of the solvent surge tank is to big
Gas high point is vented, and the liquid level of the solvent surge tank 2 goes out liquid liquid by solvent surge tank feed liquor Liquid level adjusting valve 7 and solvent surge tank
Position regulating valve 8 carries out seperating range control, to maintain the stabilization of liquid level in solvent surge tank 2.Solvent in the solvent surge tank 2 is logical
It crosses 5 feeding solvent cooler 6 of pump to be cooled down, a solvent part after cooling enters 10 inside of vacuum compressor and drops for gas
Temperature, the machine envelope that another part is sent into vacuum compressor are used as sealing medium, and the machine envelope for being sent into vacuum compressor 10 is situated between as sealing
The solvent of matter is finally returned in solvent surge tank 2.
The present invention can meet seal request and not increase desalted water into dicyandiamide solution, to reduce energy
Consumption and material consumption.The encapsulation scheme can fully adapt to the sealing of vacuum compressor in natural gas acetylene unit.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (4)
1. the encapsulating method of vacuum compressor in a kind of natural gas acetylene, the gas of the vacuum compressor outlet is in gas-liquid point
From being detached in device, it is characterised in that：Liquid phase through gas-liquid separator separates is entered by gas-liquid separator Liquid level adjusting valve
Solvent surge tank, the blow-down pipe at the top of the solvent surge tank put idle discharge, and the solvent in the solvent surge tank passes through pumping
Enter solvent cooler to be cooled down, a solvent part after cooling enters inside vacuum compressor to cool down for gas, another portion
The machine envelope for being distributed into vacuum compressor is used as sealing medium.
2. the encapsulating method of vacuum compressor in natural gas acetylene according to claim 1, it is characterised in that：It is described molten
The liquid level of agent surge tank goes out liquid Liquid level adjusting valve by solvent surge tank feed liquor Liquid level adjusting valve and solvent surge tank and carries out a point journey tune
Section, to maintain the stabilization of liquid level in solvent surge tank.
3. the encapsulating method of vacuum compressor in natural gas acetylene according to claim 1, it is characterised in that：It is described molten
Agent surge tank carries out nitrogen envelope protection using nitrogen envelope valve pressure regulation.
4. the encapsulating method of vacuum compressor in natural gas acetylene according to claim 1,2 or 3, it is characterised in that：
The machine envelope for being sent into vacuum compressor is finally returned to as the solvent of sealing medium in solvent surge tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711422220.3A CN108591026B (en) | 2017-12-25 | 2017-12-25 | Sealing method of vacuum compressor in acetylene preparation from natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711422220.3A CN108591026B (en) | 2017-12-25 | 2017-12-25 | Sealing method of vacuum compressor in acetylene preparation from natural gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108591026A true CN108591026A (en) | 2018-09-28 |
| CN108591026B CN108591026B (en) | 2020-10-02 |
Family
ID=63633121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711422220.3A Active CN108591026B (en) | 2017-12-25 | 2017-12-25 | Sealing method of vacuum compressor in acetylene preparation from natural gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108591026B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0968183A (en) * | 1995-09-04 | 1997-03-11 | Kobe Steel Ltd | Oil-cooled positive-displacement compressor |
| JP2002227786A (en) * | 2001-02-05 | 2002-08-14 | Kobe Steel Ltd | Oil-cooled compressor |
| JP2002227769A (en) * | 2001-02-05 | 2002-08-14 | Kobe Steel Ltd | Oil injection type compressor |
| JP2002317786A (en) * | 2001-04-18 | 2002-10-31 | Kobe Steel Ltd | Oil injection type compressor and operating method thereof |
| CN101644501A (en) * | 2008-08-08 | 2010-02-10 | 株式会社神户制钢所 | Refrigerating device |
-
2017
- 2017-12-25 CN CN201711422220.3A patent/CN108591026B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0968183A (en) * | 1995-09-04 | 1997-03-11 | Kobe Steel Ltd | Oil-cooled positive-displacement compressor |
| JP2002227786A (en) * | 2001-02-05 | 2002-08-14 | Kobe Steel Ltd | Oil-cooled compressor |
| JP2002227769A (en) * | 2001-02-05 | 2002-08-14 | Kobe Steel Ltd | Oil injection type compressor |
| JP2002317786A (en) * | 2001-04-18 | 2002-10-31 | Kobe Steel Ltd | Oil injection type compressor and operating method thereof |
| CN101644501A (en) * | 2008-08-08 | 2010-02-10 | 株式会社神户制钢所 | Refrigerating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108591026B (en) | 2020-10-02 |
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