CN117536832A - Medium-pressure air compression system with front-mounted cooling water diversion structure - Google Patents
Medium-pressure air compression system with front-mounted cooling water diversion structure Download PDFInfo
- Publication number
- CN117536832A CN117536832A CN202311325323.3A CN202311325323A CN117536832A CN 117536832 A CN117536832 A CN 117536832A CN 202311325323 A CN202311325323 A CN 202311325323A CN 117536832 A CN117536832 A CN 117536832A
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- China
- Prior art keywords
- air
- oil
- compression system
- control device
- medium
- 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.)
- Pending
Links
- 230000006835 compression Effects 0.000 title claims abstract description 27
- 238000007906 compression Methods 0.000 title claims abstract description 27
- 239000000498 cooling water Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 abstract description 17
- 238000001816 cooling Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 14
- 235000019198 oils Nutrition 0.000 description 14
- 238000000034 method Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000019476 oil-water mixture Nutrition 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F04B39/16—Filtration; Moisture separation
-
- 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
- F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
-
- 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
- F04B39/06—Cooling; Heating; Prevention of freezing
-
- 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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention relates to the technical field of air compressors, in particular to a medium-pressure air compression system with a front cooling water distribution structure, which comprises an air filter, a temperature control device, an air-water separator, an air compressor and an oil-gas separator, wherein an air inlet is arranged on the air filter, the air inlet end of the temperature control device is connected with the air outlet end of the air filter, the air inlet end of the air-water separator is connected with the air outlet end of the temperature control device, the air inlet end of the air compressor is connected with the air outlet end of the air-water separator, the oil-gas separator is connected with the air compressor through an exhaust pipeline and an oil return pipeline respectively, and the air outlet end of the oil-gas separator is connected with an air supply pipeline. The application provides a medium pressure air compression system with leading cooling water diversion structure, it has guaranteed that there is not liquid water in the system and has separated out, has prolonged the life of compressor and cooling oil by a wide margin, has reduced manpower and materials cost.
Description
[ field of technology ]
The invention relates to the technical field of air compressors, in particular to a medium-pressure air compression system with a front cooling water distribution structure.
[ background Art ]
The compressed air of the air compressor is the second most power energy next to the electric power, and is a process air source with multiple purposes, and the application range of the compressed air of the air compressor is wide in industries and departments such as petroleum, chemical industry, metallurgy, electric power, machinery, and the like. For the typical system of the prior rotary air compressor 20-30bar medium-pressure gas compressor, due to the improvement of the exhaust pressure, the water vapor in the air is precipitated in a liquid state below the pressure dew point temperature, the air inlet temperature is calculated to be 40 ℃, the relative ambient humidity is 100%, the pressure dew point at the exhaust pressure of 25bar is about 119 ℃, that is to say, the exhaust temperature of the air compressor is higher than 119 ℃ to avoid the precipitation of liquid water, and the following problems occur once the liquid water is precipitated: the liquid level of the oil-gas barrel rises to cause oil-water mixing, and the oil runs along with the rising of the liquid level; and because the oil-water mixture compresses, causes oil emulsification, the whole compressor is internally contacted with water, the machine is rusted very quickly, a host machine is damaged, in order to avoid the problems, the exhaust temperature is kept away from 119 ℃ as far as possible, the temperature is 5-10 ℃ higher, and liquid water is prevented from being separated out, however, because the temperature is higher than 100 ℃, the service life of cooling oil is shortened rapidly, the gel is extremely easy to generate, and the whole air compressor is locked and can not be started, and a pipeline is blocked.
[ invention ]
The invention aims to solve the technical problems of low-temperature liquid water precipitation and high-temperature shortened lubricating oil service life of the existing air compression system and provide a medium-pressure air compression system with a front cooling water distribution structure.
The application is realized by the following technical scheme: the medium-pressure air compression system with the front cooling water distribution structure comprises an air filter, a temperature control device, a gas-water separator, an air compressor and an oil-gas separator, wherein an air inlet is formed in the air filter, the air inlet end of the temperature control device is connected with the air outlet end of the air filter, the air inlet end of the gas-water separator is connected with the air outlet end of the temperature control device, the air inlet end of the air compressor is connected with the air outlet end of the gas-water separator, the oil-gas separator is connected with the air compressor through an exhaust pipeline and an oil return pipeline respectively, and the air outlet end of the oil-gas separator is connected with an air supply pipeline.
The medium-pressure air compression system with the front cooling water diversion structure further comprises a temperature sensor which is arranged between the air filter and the temperature control device and is electrically connected with the temperature control device.
The medium-pressure air compression system with the front-end cooling water diversion structure comprises the temperature control device, and the temperature control device comprises a cold dryer.
The medium-pressure air compression system with the front cooling water diversion structure further comprises a minimum pressure valve which is arranged at the air outlet end of the oil-gas separator and connected with the air supply pipeline, so as to control the flow rate of compressed air.
The medium-pressure air compression system with the front cooling water diversion structure is characterized in that the oil return pipeline is arranged below the exhaust pipeline.
The medium-pressure air compression system with the front-end cooling water diversion structure comprises a compressor main body and a driving motor connected with the compressor main body.
The exhaust temperature of the temperature control device is lower than 20 ℃ in the medium-pressure air compression system with the front cooling water diversion structure.
Compared with the prior art, the application has the following advantages:
according to the medium-pressure air compression system with the pre-cooling water distribution structure, the air is subjected to preliminary filtration through the air filter, the temperature of the air is reduced by the temperature control device, the liquid water is discharged by the gas-water separator, and the liquid water is discharged from the air supply pipeline after passing through the air compressor and the oil-gas separator, so that no liquid water is separated out in the system, the service lives of the compressor and cooling oil are greatly prolonged, and the cost of manpower and material resources is reduced.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a medium-pressure air compression system according to an embodiment of the present application.
Reference numerals: 1. an air cleaner; 2. a temperature controller; 3. a gas-water separator; 4. an air compressor; 5. an oil-gas separator; 6. an exhaust duct; 7. an oil return pipeline; 8. a temperature sensor; 9. a minimum pressure valve; 11. an air inlet; 41. a compressor main body; 42. a driving motor; 51. and an air supply pipeline.
[ detailed description ] of the invention
In order to make the technical problems, technical schemes and beneficial effects solved by the application more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
As shown in fig. 1, the embodiment of the application proposes a medium-pressure air compression system with a pre-cooling water distribution structure, which comprises an air filter 1, a temperature control device 2, a gas-water separator 3, an air compressor 4 and an oil-gas separator 5, wherein an air inlet 11 is arranged on the air filter 1, the air inlet end of the temperature control device 2 is connected with the air outlet end of the air filter 1, the air inlet end of the gas-water separator 3 is connected with the air outlet end of the temperature control device 2, the air inlet end of the air compressor 4 is connected with the air outlet end of the gas-water separator 3, the oil-gas separator 5 is connected with the air compressor 4 through an air exhaust pipeline 6 and an oil return pipeline 7 respectively, the air outlet end of the oil-gas separator 5 is connected with an air supply pipeline 51, the air compressor 4 comprises a compressor main body 41 and a driving motor 42 connected with the compressor main body 41, the exhaust temperature of the temperature control device 2 is lower than 20 ℃, the exhaust pressure is improved, the temperature is lower than the pressure dew point temperature, water in the air is precipitated in liquid state, the air inlet temperature is calculated to be 40 ℃, the relative ambient humidity is 100%, the pressure dew point at the exhaust pressure of 25bar is about 119 ℃, namely the air compressor exhaust temperature is higher than 119 ℃ to avoid precipitation of liquid water, the existing medium-pressure air compression system has the exhaust temperature which is too low to precipitate liquid water, oil leakage and internal contact with water are caused, the machine rusting is damaged, the cooling oil life is shortened or gel is generated when the exhaust temperature is higher than 100 ℃, the phenomena of pipeline blockage and air compressor locking are caused, the temperature of the air compressor is controlled to be higher than 95 ℃ when the air inlet temperature is calculated to be 20 ℃, the relative humidity is 100%, the exhaust pressure is 25bar, the pressure dew point temperature is 87 DEG, the exhaust temperature is controlled to be higher than 95℃, no liquid water is basically precipitated below 105 ℃, the air is preliminarily filtered by the air filter 1, the temperature of the air is reduced by the temperature control device 2, the liquid water is discharged by the gas-water separator 3 and is discharged from the air supply pipeline 51 after passing through the air compressor 4 and the oil-gas separator 5, three times of manual shutdown are originally required, and water is discharged for half an hour each time, and no water is required at present; the service life of the original lubricating oil is prolonged from 300-500 hours to 3000-6000 hours, which ensures that no liquid water is separated out in the system, greatly prolongs the service life of the compressor and the cooling oil, and reduces the cost of manpower and material resources.
The medium-pressure air compression system further comprises a temperature sensor 8 which is arranged between the air filter 1 and the temperature control device 2 and is electrically connected with the temperature control device 2, wherein the temperature control device 2 comprises a cold dryer, automatic temperature detection is set, the cold dryer can not be started when the air inlet temperature is lower than 20 ℃, and the energy saving is remarkable.
The medium-pressure air compression system further comprises a minimum pressure valve which is arranged at the air outlet end of the oil-gas separator 5 and is connected with the air supply pipeline 51 so as to control the flow rate of compressed air, and a user can directly use the air in the air supply pipeline 51.
The oil return pipeline 7 is arranged below the exhaust pipeline 6, and delays the flow velocity of cooling oil by utilizing the action of gravity, so that the cooling oil can exchange heat with high-temperature gas in the air compressor 4 sufficiently, and the heat dissipation efficiency is greatly improved.
The foregoing description of one or more embodiments provided in connection with the specific disclosure is not intended to limit the practice of this application to such description. Any approximation, or substitution of techniques for the methods, structures, etc. of the present application or for the purposes of making a number of technological deductions based on the concepts of the present application should be considered as the scope of protection of the present application.
Claims (7)
1. The medium-pressure air compression system with the front cooling water distribution structure is characterized by comprising an air filter (1), a temperature control device (2), an air-water separator (3), an air compressor (4) and an oil-gas separator (5), wherein an air inlet (11) is formed in the air filter (1), the air inlet end of the temperature control device (2) is connected with the air outlet end of the air filter (1), the air inlet end of the air-water separator (3) is connected with the air outlet end of the temperature control device (2), the air inlet end of the air compressor (4) is connected with the air outlet end of the air-water separator (3), the oil-gas separator (5) is connected with the air compressor (4) through an exhaust pipeline (6) and an oil return pipeline (7) respectively, and the air outlet end of the oil-gas separator (5) is connected with an air supply pipeline (51).
2. The medium-pressure air compression system with the pre-cooling water diversion structure as claimed in claim 1, further comprising a temperature sensor (8) installed between the air cleaner (1) and the temperature control device (2) and electrically connected with the temperature control device (2).
3. Medium pressure air compression system with pre-cooling water division structure according to claim 1, characterized in that the temperature control device (2) comprises a chiller dryer.
4. The medium-pressure air compression system with the pre-cooling water diversion structure as claimed in claim 1, further comprising a minimum pressure valve (9) arranged at the air outlet end of the oil-gas separator (5) and connected with the air supply pipeline (51) so as to control the flow rate of compressed air.
5. Medium pressure air compression system with pre-cooling water division structure according to claim 1, characterized in that the oil return line (7) is arranged below the exhaust line (6).
6. Medium pressure air compression system with pre-cooling water division structure according to claim 1, characterized in that the air compressor (4) comprises a compressor body (41) and a drive motor (42) connected to the compressor body (41).
7. Medium-pressure air compression system with pre-cooling water division structure according to claim 1, characterized in that the exhaust temperature of the temperature control device (2) is below 20 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311325323.3A CN117536832A (en) | 2023-10-12 | 2023-10-12 | Medium-pressure air compression system with front-mounted cooling water diversion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311325323.3A CN117536832A (en) | 2023-10-12 | 2023-10-12 | Medium-pressure air compression system with front-mounted cooling water diversion structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117536832A true CN117536832A (en) | 2024-02-09 |
Family
ID=89784989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311325323.3A Pending CN117536832A (en) | 2023-10-12 | 2023-10-12 | Medium-pressure air compression system with front-mounted cooling water diversion structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117536832A (en) |
-
2023
- 2023-10-12 CN CN202311325323.3A patent/CN117536832A/en active Pending
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