CN104806480A - Oil removal cooling compressor - Google Patents
Oil removal cooling compressor Download PDFInfo
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- CN104806480A CN104806480A CN201510090134.1A CN201510090134A CN104806480A CN 104806480 A CN104806480 A CN 104806480A CN 201510090134 A CN201510090134 A CN 201510090134A CN 104806480 A CN104806480 A CN 104806480A
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Abstract
The invention provides an oil removal cooling compressor which comprises a cylinder, an air supply pipeline, a liquid storage tank, a refrigeration device, a first dehumidification tank, a second dehumidification tank, a three-way valve and a control module. The first dehumidification tank and the second dehumidification tank provide double guarantee for filtering water in compressed gas, so that the drying degree of the finally stored compressed gas is ensured. The first dehumidification tank can filter most water in the compressed gas, so that the pressure of the second dehumidification tank is reduced, dehumidification effects are ensured, the compressed gas with over-proof humidity can flow back to perform circular dehumidification, and the possibility that the drying degree of the double dehumidified compressed gas cannot reach the standard is avoided. By an automatic control mode, the oil removal cooling compressor is low in subjective dependency and high in working accuracy.
Description
Technical field
The present invention relates to gas compression technical field, particularly relate to one and to deoil cooling compressor.
Background technique
Compressor, as a kind of important production of energy form, is widely used in the links of living, is especially widely used in, in the fields such as machinery, metallurgy, electron electric power, medicine, packaging, chemical industry, becoming the main product of pressurized gas.
Now widely used compressor mostly has been hydraulic shrinking machine, namely needs oil lubrication on the component to compressor inside.So, in using process, there will be lubricant oil along with pressurized air and enter the situation of gas holder together, thus containing grease in the pressurized gas produced, reduce pressurized gas purity.
In addition, in gas compression processes, can produce heat, thus cause the temperature of pressurized gas to rise, high-temperature gas has very high risk, is unfavorable for storing transport.
Summary of the invention
Based on the technical problem that background technique exists, the present invention proposes one and to deoil cooling-air compressor.
The one that the present invention proposes is deoiled cooling-air compressor, comprising: cylinder, air duct, liquid tank, refrigeration plant, first are except wet tank, second is except wet tank, three-way valve and control module;
Be provided with gas compressing apparatus in cylinder, store cooling liquid in liquid tank, refrigeration plant to be arranged in liquid tank and to be positioned at below liquid level; The first end of air duct is communicated with the outlet of cylinder, and its second end to insert in liquid tank and is positioned at below liquid level, liquid tank is provided with air outlet and is positioned at more than liquid level; Be provided with temperature transducer in liquid tank for detecting chilled liquid temperature, air duct is provided with the first control valve;
First removes wet tank is provided with the first inlet opening and the first delivery outlet, and first removes wet tank inside is provided with the first moisture adsorption layer, and the first moisture adsorption layer is between the first inlet opening and the first delivery outlet; First is provided with the first air intake pipe and the first air outlet tube except wet tank and is positioned at the both sides of the first moisture adsorption layer, first air intake pipe and the first air outlet tube inside are respectively equipped with the first block valve and the second block valve, and the first moisture adsorption layer is provided with the first drying apparatus and the first humidity transducer;
Second removes wet tank is provided with the second inlet opening, the second delivery outlet and refluxing opening, second removes wet tank inside is provided with the second moisture adsorption layer, second moisture adsorption layer is between the second inlet opening and the second delivery outlet, and refluxing opening and the second inlet opening are positioned at second moisture adsorption layer the same side; Second is provided with the second air intake pipe and the second air outlet tube except wet tank and is positioned at the both sides of the second moisture adsorption layer, second air intake pipe and the second air outlet tube inside are respectively equipped with the 3rd block valve and the 4th block valve, second moisture adsorption layer is provided with the second drying apparatus and the second humidity transducer, and the second equipped at outlet port is provided with the 3rd humidity transducer;
Air outlet is communicated with the first inlet opening, and the first delivery outlet is communicated with the second inlet opening by the second control valve, and three-way valve input end is communicated with the second delivery outlet, and three-way valve first output terminal is communicated with refluxing opening, and three-way valve second output terminal is used for output squeezing gas;
When unlatching first drying apparatus dries the first moisture adsorption layer, close the first control valve and the second control valve, open the first block valve and the second block valve, the first damp-heat air removing the generation in wet tank passes through the first air intake pipe and the first air outlet tube and outside air and replaces;
When unlatching second drying apparatus dries the second moisture adsorption layer, close the first control valve and the closedown of the second control valve, open the 3rd block valve and the 4th block valve, the second damp-heat air removing the generation in wet tank passes through the second air intake pipe and the second air outlet tube and outside air and replaces;
Entered in the cooling liquid in liquid tank after air to be compressed is transported to and compresses in cylinder by air duct, then overflow cooling liquid and export from air outlet, pressurized air enters first except wet tank and exports through the first moisture adsorption layer, enters second and removes wet tank and export from the second delivery outlet through the second moisture adsorption layer; When the input end of three-way valve is communicated with the first output terminal, the pressurized gas that the second delivery outlet exports is got back to second except wet tank from refluxing opening and is again dehumidified by the second moisture adsorption layer; When the input end of three-way valve is communicated with the second output terminal, pressurized gas outputs to appointment storage location;
Control module is connected with temperature transducer, refrigeration plant, the first control valve, the second control valve, three-way valve, the first drying apparatus, the second drying apparatus, the first block valve, the second block valve, the 3rd block valve and the 4th block valve respectively;
The input end that control module controls three-way valve according to the 3rd humidity transducer checkout value is communicated with the first output terminal or the second output terminal, control the first control valve, the second control valve, the first drying apparatus, the first block valve and the second block valve work according to the first humidity transducer checkout value, control the first control valve, the second control valve, the second drying apparatus, the 3rd block valve and the 4th block valve work according to the second humidity transducer checkout value.
Preferably, be preset with temperature upper limit and lowest temperature value, and temperature upper limit is greater than lowest temperature value in control module, is greater than temperature upper limit when temperature transducer detects numerical value, control module controls refrigeration plant unlatching and carries out cold compensation to cooling liquid; Be less than or equal to lowest temperature value when temperature transducer detects numerical value, control module controls refrigeration plant and closes.
Preferably, humidity threshold is preset with in control module, the humidity value detected when the first humidity transducer is greater than humidity threshold, control module controls the first control valve and the second control valve is closed, control the first drying apparatus, the first block valve, the second block valve and the first blower fan to open, and continue preset duration; The humidity value detected when the second humidity transducer is greater than humidity threshold, and control module controls the first control valve and the second control valve is closed, and controls the second drying apparatus, the 3rd block valve, the 4th block valve and the second blower fan and opens, and continue preset duration.
Preferably, in the first air intake pipe or the first air outlet tube, the first blower fan is installed.
Preferably, in the second air intake pipe or the second air outlet tube, the second blower fan is installed.
Preferably, the first moisture adsorption layer is activated carbon adsorption layer or reactive resin adsorption layer.
Preferably, the second moisture adsorption layer is activated carbon adsorption layer or reactive resin adsorption layer.
Preferably, cooling liquid is cooling water.
Be provided with first in the present invention except wet tank and second is except wet tank, for the moisture in filtering pressurized gas provides double shield, thus guarantee the degree of drying of the final pressurized gas stored.First can most of moisture in filtering pressurized gas except wet tank, thus reduce the pressure that second removes wet tank, ensure effect on moisture extraction, and second except the design of wet tank head piece last time, make the pressurized gas of humidity over limit can carry out refluxing with circulating dehumidification, avoid the possibility that the compressed air drying degree after dual dehumidifying is still not up to standard.
In the present invention, first removes the reasonable in design that wet tank and second removes wet tank, makes it recycle.As first except in wet tank, when unlatching first drying apparatus dries the first moisture adsorption layer, first damp-heat air removing the generation in wet tank passes through the first air intake pipe and the first air outlet tube and outside air and replaces, can guarantee that first except the air oxygen detrition degree in wet tank, first can be avoided again except the too high temperature of air in wet tank, thus heat up to pressurized gas.
The present invention adopts the mode automatically controlled, and subjective degree of dependence is low, and work validity is high.
Accompanying drawing explanation
Fig. 1 is that one that the present invention proposes is deoiled cooling-air compressor arrangement schematic diagram.
Embodiment
With reference to Fig. 1, the one that the present invention proposes is deoiled cooling-air compressor, comprising: cylinder 1, air duct 2, liquid tank 3, refrigeration plant 4, first are except wet tank 5, second is except wet tank 6, three-way valve 7 and control module.
Gas compressing apparatus is provided with for pressurized gas in cylinder 1.Store cooling liquid in liquid tank 3, specifically can adopt cooling water.Refrigeration plant 4 to be arranged in liquid tank 3 and to be positioned at below liquid level for carrying out cold compensation to cooling liquid.The first end of air duct 2 is communicated with the outlet of cylinder 1, and its second end to insert in liquid tank 3 and is positioned at below liquid level, liquid tank 3 is provided with air outlet 301 and is positioned at more than liquid level.The pressurized gas that cylinder 1 exports, after air duct 2 enters cooling liquid, by air outlet 301 is exported after overflowing from cooling liquid.Be provided with temperature transducer 31 in liquid tank 3 for detecting chilled liquid temperature, air duct 2 is provided with the first control valve 21 for controlling air duct 2 break-make.
First is provided with the first moisture adsorption layer 51, first moisture adsorption layer 51 between the first inlet opening 501 and the first delivery outlet 502 except wet tank 5 is provided with the first inlet opening 501 and the first delivery outlet 502, first except wet tank 5 inside.The gas that first inlet opening 501 inputs exports from the first delivery outlet 502 after the first moisture adsorption layer 51, the moisture in the first moisture adsorption layer 51 Absorbable rod gas.
First is provided with the first air intake pipe 52 and the first air outlet tube 53 except wet tank 5 and is positioned at the both sides of the first moisture adsorption layer 51, first air intake pipe 52 and the first air outlet tube 53 inside are respectively equipped with the first block valve 54 and the second block valve 55, first moisture adsorption layer 51 is provided with the first drying apparatus 56 and the first humidity transducer 57.When the first moisture adsorption layer 51 water content is higher, its moisture adsorption ability declines, now open the first drying apparatus 56, first block valve 54 and the second block valve 55, first drying apparatus 56 is dried the first moisture adsorption layer 51, first discharges moisture except wet tank 5 carries out displacement by the first air intake pipe 52 and the first air outlet tube 53 with outside air, thus recycles the first moisture adsorption layer 51.
Second removes wet tank 6 is provided with the second inlet opening 601, second delivery outlet 602 and refluxing opening 603, second removes wet tank 6 inside is provided with the second moisture adsorption layer 61, second moisture adsorption layer 61 is between the second inlet opening 601 and the second delivery outlet 602, and refluxing opening 603 and the second inlet opening 601 are positioned at second moisture adsorption layer 61 the same side.The gas that second inlet opening 601 or refluxing opening 603 input exports from the second delivery outlet 602 after the second moisture adsorption layer 61, the moisture in the second moisture adsorption layer 61 Absorbable rod gas
Second is provided with the second air intake pipe 62 and the second air outlet tube 63 except wet tank 6 and is positioned at the both sides of the second moisture adsorption layer 61, second air intake pipe 62 and the second air outlet tube 63 inside are respectively equipped with the 3rd block valve 64 and the 4th block valve 65, second moisture adsorption layer 61 is provided with the second drying apparatus 66 and the second humidity transducer.When the second moisture adsorption layer 61 water content is higher, its moisture adsorption ability declines, now open the second drying apparatus 66, the 3rd block valve 64 and the 4th block valve 65, second drying apparatus 66 is dried the second moisture adsorption layer 61, second discharges moisture except wet tank 6 carries out displacement by the second air intake pipe 62 and the second air outlet tube 63 with outside air, thus recycles the second moisture adsorption layer 61.
In present embodiment, in first air intake pipe 52 or the first air outlet tube 53, first blower fan is installed, in second air intake pipe 62 or the second air outlet tube 63, second blower fan is installed, the setting of the first blower fan and the second blower fan can increase by first except wet tank 5 and second is except wet tank 6 and the replacing velocity of outside air, thus improves the drying efficiency of the first moisture adsorption layer 51 and the second moisture adsorption layer 61.
In present embodiment, the first moisture adsorption layer 51 and the second moisture adsorption layer 61 are activated carbon adsorption layer, Absorbable rod moisture and greasy dirt.During concrete enforcement, the first moisture adsorption layer 51 and the second moisture adsorption layer 61 also can adopt reactive resin adsorption layer.
Air outlet 301 is communicated with the first inlet opening 501, first delivery outlet 502 is communicated with the second inlet opening 601 by the second control valve 8, three-way valve 7 input end is communicated with the second delivery outlet 602, and three-way valve 7 first output terminal is communicated with refluxing opening 603, and three-way valve 7 second output terminal is used for output squeezing gas.Second delivery outlet 602 place is provided with the 3rd humidity transducer 68 for detecting pressurized gas humidity.
Control module is connected with temperature transducer 31, refrigeration plant 4, first control valve 21, second control valve 8, three-way valve 7, first drying apparatus 56, second drying apparatus 66, first block valve 54, second block valve 55, the 3rd block valve 64, the 4th block valve 65, first blower fan and the second blower fan respectively.Standard humidity value, humidity threshold, temperature upper limit and lowest temperature value is preset with in control module.
Enter in the cooling liquid in liquid tank 3 by air duct 2 after air to be compressed is transported to and compresses in cylinder 1, the greasy dirt in pressurized gas incorporates cooling liquid, and pressurized gas overflows cooling liquid and exports from air outlet 301; Pressurized air enter first except wet tank 5 through first moisture adsorption layer 51 dehumidify after export, then enter second except wet tank 6 through second moisture adsorption layer 61 dehumidify after export from the second delivery outlet 602; The humidity value detected when the 3rd humidity transducer 68 is greater than standard humidity value, control module controls the input end of three-way valve 7 and is communicated with the first output terminal, and the pressurized gas that the second delivery outlet 602 exports is got back to second except wet tank 6 from refluxing opening 603 and again dehumidified by the second moisture adsorption layer 61; The humidity value detected when the 3rd humidity transducer 68 is less than or equal to standard humidity value, and the input end that control module controls three-way valve 7 is communicated with the second output terminal, and pressurized gas outputs to appointment storage location.
Be preset with temperature upper limit and lowest temperature value in control module, and temperature upper limit is greater than lowest temperature value.Control module controls refrigeration plant 4 according to temperature transducer 31 checkout value and works, and is greater than temperature upper limit when temperature transducer 31 detects numerical value, and control module control refrigeration plant 4 is opened and carried out cold compensation to cooling liquid; Be less than or equal to lowest temperature value when temperature transducer 31 detects numerical value, control module controls refrigeration plant 4 and closes with energy-conservation.
Control module controls the first control valve 21, second control valve 8, first drying apparatus 56, first block valve 54, second block valve 55 and the first blower fan work according to the first humidity transducer 57 checkout value.The humidity value detected when the first humidity transducer 57 is greater than humidity threshold, control module controls the first control valve 21 and the second control valve 8 is closed, and control the first drying apparatus 56, first block valve 54, second block valve 55 and the first blower fan are opened, and continue preset duration, to dry the first moisture adsorption layer 51, guarantee its adsorptive power to moisture in pressurized gas, simultaneously, first damp-heat air removing the generation in wet tank 5 is replaced with outside air by the first air intake pipe 52 and the first air outlet tube 53, can guarantee that first except the air oxygen detrition degree in wet tank 5, first can be avoided again except the too high temperature of air in wet tank 5, thus heat up to pressurized gas.
In like manner, control module controls the first control valve 21, second control valve 8, second drying apparatus 66, the 3rd block valve 64, the 4th block valve 65 and the second blower fan work according to the second humidity transducer 67 checkout value.The humidity value detected when the second humidity transducer 67 is greater than humidity threshold, control module controls the first control valve 21 and the second control valve 8 is closed, and control the unlatching of the second drying apparatus 66, the 3rd block valve 64, the 4th block valve 65 and the second blower fan, and continuing preset duration, the second damp-heat air removing the generation in wet tank 6 is replaced with outside air by the second air intake pipe 62 and the second air outlet tube 63.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technological scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (8)
1. the cooling-air compressor that deoils, it is characterized in that, comprising: cylinder (1), air duct (2), liquid tank (3), refrigeration plant (4), first are except wet tank (5), second is except wet tank (6), three-way valve (7) and control module;
Cylinder is provided with gas compressing apparatus in (1), and liquid tank stores cooling liquid in (3), and refrigeration plant (4) to be arranged in liquid tank (3) and to be positioned at below liquid level; The first end of air duct (2) is communicated with the outlet of cylinder (1), its second end to insert in liquid tank (3) and is positioned at below liquid level, liquid tank (3) is provided with air outlet (301) and is positioned at more than liquid level; Be provided with temperature transducer (31) in liquid tank (3) for detecting chilled liquid temperature, air duct (2) is provided with the first control valve (21);
First removes wet tank (5) is provided with the first inlet opening (501) and the first delivery outlet (502), first removes wet tank (5) inside is provided with the first moisture adsorption layer (51), and the first moisture adsorption layer (51) is positioned between the first inlet opening (501) and the first delivery outlet (502); First is provided with the first air intake pipe (52) and the first air outlet tube (53) except wet tank (5) and is positioned at the both sides of the first moisture adsorption layer (51), first air intake pipe (52) and the first air outlet tube (53) inside are respectively equipped with the first block valve (54) and the second block valve (55), and the first moisture adsorption layer (51) is provided with the first drying apparatus (56) and the first humidity transducer (57);
Second removes wet tank (6) is provided with the second inlet opening (601), the second delivery outlet (602) and refluxing opening (603), second removes wet tank (6) inside is provided with the second moisture adsorption layer (61), second moisture adsorption layer (61) is positioned between the second inlet opening (601) and the second delivery outlet (602), and refluxing opening (603) and the second inlet opening (601) are positioned at second moisture adsorption layer (61) the same side; Second is provided with the second air intake pipe (62) and the second air outlet tube (63) except wet tank (6) and is positioned at the both sides of the second moisture adsorption layer (61), second air intake pipe (62) and the second air outlet tube (63) inside are respectively equipped with the 3rd block valve (64) and the 4th block valve (65), second moisture adsorption layer (61) is provided with the second drying apparatus (66) and the second humidity transducer (67), and the second delivery outlet (602) place is provided with the 3rd humidity transducer (68);
Air outlet (301) is communicated with the first inlet opening (501), first delivery outlet (502) is communicated with the second inlet opening (601) by the second control valve (8), three-way valve (7) input end is communicated with the second delivery outlet (602), three-way valve (7) first output terminal is communicated with refluxing opening (603), and three-way valve (7) second output terminal is used for output squeezing gas;
When unlatching first drying apparatus (56) dries first moisture adsorption layer (51), close the first control valve (21) and the second control valve (8), open the first block valve (54) and the second block valve (55), the first damp-heat air removing the generation in wet tank (5) is replaced with outside air by the first air intake pipe (52) and the first air outlet tube (53);
When unlatching second drying apparatus (66) dries second moisture adsorption layer (61), close the first control valve (21) and the second control valve (8) closedown, open the 3rd block valve (64) and the 4th block valve (65), the second damp-heat air removing the generation in wet tank (6) is replaced with outside air by the second air intake pipe (62) and the second air outlet tube (63);
Enter in the cooling liquid in liquid tank (3) by air duct (2) after air to be compressed is transported to and compresses in cylinder (1), then overflow cooling liquid and export from air outlet (301), pressurized air enters first except wet tank (5) and exports through the first moisture adsorption layer (51), enters second and removes wet tank (6) and export from the second delivery outlet (602) through the second moisture adsorption layer (61); When the input end of three-way valve (7) is communicated with the first output terminal, the pressurized gas that the second delivery outlet (602) exports is got back to second except wet tank (6) from refluxing opening (603) and is again dehumidified by the second moisture adsorption layer (61); When the input end of three-way valve (7) is communicated with the second output terminal, pressurized gas outputs to appointment storage location;
Control module is connected with temperature transducer (31), refrigeration plant (4), the first control valve (21), the second control valve (8), three-way valve (7), the first drying apparatus (56), the second drying apparatus (66), the first block valve (54), the second block valve (55), the 3rd block valve (64) and the 4th block valve (65) respectively;
Control module controls refrigeration plant (4) work according to temperature transducer (31) checkout value, the input end controlling three-way valve (7) according to the 3rd humidity transducer (68) checkout value is communicated with the first output terminal or the second output terminal, the first control valve (21) is controlled according to the first humidity transducer (57) checkout value, second control valve (8), first drying apparatus (56), first block valve (54) and the second block valve (55) work, the first control valve (21) is controlled according to the second humidity transducer (67) checkout value, second control valve (8), second drying apparatus (66), 3rd block valve (64) and the work of the 4th block valve (65).
2. deoil cooling-air compressor as claimed in claim 1, it is characterized in that, temperature upper limit and lowest temperature value is preset with in control module, and temperature upper limit is greater than lowest temperature value, be greater than temperature upper limit when temperature transducer (31) detects numerical value, control module controls refrigeration plant (4) unlatching and carries out cold compensation to cooling liquid; Be less than or equal to lowest temperature value when temperature transducer (31) detects numerical value, control module controls refrigeration plant (4) and closes.
3. deoil cooling-air compressor as claimed in claim 1, it is characterized in that, humidity threshold is preset with in control module, the humidity value detected when the first humidity transducer (57) is greater than humidity threshold, control module controls the first control valve (21) and the second control valve (8) is closed, control the first drying apparatus (56), the first block valve (54), the second block valve (55) and the first blower fan to open, and continue preset duration; The humidity value detected when the second humidity transducer (67) is greater than humidity threshold, control module controls the first control valve (21) and the second control valve (8) is closed, control the second drying apparatus (66), the 3rd block valve (64), the 4th block valve (65) and the second blower fan to open, and continue preset duration.
4. the cooling-air compressor that deoils as described in any one of claims 1 to 3, is characterized in that, is provided with the first blower fan in the first air intake pipe (52) or the first air outlet tube (53).
5. deoil cooling-air compressor as claimed in claim 4, it is characterized in that, is provided with the second blower fan in the second air intake pipe (62) or the second air outlet tube (63).
6. the cooling-air compressor that deoils as described in any one of claims 1 to 3, is characterized in that, the first moisture adsorption layer (51) is activated carbon adsorption layer or reactive resin adsorption layer.
7. deoil cooling-air compressor as claimed in claim 6, it is characterized in that, the second moisture adsorption layer (61) is activated carbon adsorption layer or reactive resin adsorption layer.
8. the cooling-air compressor that deoils as described in any one of claims 1 to 3, is characterized in that, cooling liquid is cooling water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510090134.1A CN104806480B (en) | 2015-02-27 | 2015-02-27 | Oil removal cooling compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510090134.1A CN104806480B (en) | 2015-02-27 | 2015-02-27 | Oil removal cooling compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104806480A true CN104806480A (en) | 2015-07-29 |
| CN104806480B CN104806480B (en) | 2017-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510090134.1A Expired - Fee Related CN104806480B (en) | 2015-02-27 | 2015-02-27 | Oil removal cooling compressor |
Country Status (1)
| Country | Link |
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| CN (1) | CN104806480B (en) |
Cited By (3)
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| CN107966041A (en) * | 2017-11-27 | 2018-04-27 | 安徽寅时压缩机制造有限公司 | A kind of gas dewatering device |
| CN111927551A (en) * | 2020-07-16 | 2020-11-13 | 江苏华力矿业科技有限公司 | Gas pretreatment device applied to monitoring of underground laser beam tube of coal mine |
| CN114483231A (en) * | 2022-02-09 | 2022-05-13 | 西安交通大学 | Compressed air energy storage system and control method thereof |
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| EP1026403A2 (en) * | 1999-02-01 | 2000-08-09 | Seiko Seiki Kabushiki Kaisha | Gas compressor with oil separator |
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|---|---|---|---|---|
| EP1026403A2 (en) * | 1999-02-01 | 2000-08-09 | Seiko Seiki Kabushiki Kaisha | Gas compressor with oil separator |
| US20080152519A1 (en) * | 2006-12-20 | 2008-06-26 | Mei-Lien Chern | Gas-oil separator with an oil type air compressor |
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| CN111927551A (en) * | 2020-07-16 | 2020-11-13 | 江苏华力矿业科技有限公司 | Gas pretreatment device applied to monitoring of underground laser beam tube of coal mine |
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| CN114483231B (en) * | 2022-02-09 | 2023-08-29 | 西安交通大学 | Compressed air energy storage system and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN104806480B (en) | 2017-02-01 |
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