CN110721557A - Device and method for drying and purifying compressed gas - Google Patents
Device and method for drying and purifying compressed gas Download PDFInfo
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- CN110721557A CN110721557A CN201911041377.0A CN201911041377A CN110721557A CN 110721557 A CN110721557 A CN 110721557A CN 201911041377 A CN201911041377 A CN 201911041377A CN 110721557 A CN110721557 A CN 110721557A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
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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
- B01D53/26—Drying gases or vapours
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Abstract
The invention discloses a device and a method for drying and purifying compressed gas, which comprises a vortex tube dryer and a filtering device, wherein the vortex tube dryer consists of a box body, an air pressure pump, a vortex tube, a cold air output pipeline, a hot air output pipeline and an air filter screen; the filter device consists of an oil-water separator, an air filter A, an air filter B, a compressed air dryer, an air filter C, an air filter D, an air filter E and a bypass valve. The invention is simple and easy to operate, light and easy to use, dries and purifies the gas to the maximum extent, greatly saves manpower and material resources, is beneficial to improving the working efficiency, also improves the use efficiency of various gases, makes up the blank of the prior art, effectively reduces the failure rate of equipment and prolongs the service life. Has important significance for improving economic benefit, production capacity and product quality.
Description
Technical Field
The invention relates to the technical field of industrial gas drying, in particular to a device and a method for drying and purifying compressed gas.
Background
In an industrial field, compressed air can be used for driving various valves or cooling and blowing, but the industrial compressed gas is influenced by various factors, such as high water content in the gas, unclean transmission pipelines, seasonal temperature difference and the like, so that the gas is problematic to use in some precision equipment, mechanical equipment is easy to rust due to the water content in the gas, an electric circuit is easy to burn, and fine pipelines are easy to block due to various dust, iron oxide powder and other particles in the gas, so that the gas pressure is insufficient or the equipment cannot be driven. Therefore, the drying and purification of the gas in the industrial field become an important problem, which causes troubles to a plurality of use units and influences the normal operation of the industrial field.
Disclosure of Invention
The invention aims to provide a device and a method for drying and purifying compressed gas, which are simple and easy to operate, light and easy to use, dry and purify the gas to the maximum extent, greatly save manpower and material resources, are beneficial to improving the working efficiency, improve the use efficiency of various gases, make up for the blank of the prior art, effectively reduce the failure rate of equipment, prolong the service life, and have important significance for improving the economic benefit, the production capacity and the product quality so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a device for drying and purifying compressed gas comprises a vortex tube dryer and a filtering device, wherein the vortex tube dryer consists of a box body, an air pressure pump, a vortex tube, a cold air output pipeline, a hot air output pipeline and an air filter screen, the air pressure pump and the vortex tubes are arranged in the box body side by side, cold end outlets of the vortex tubes are collected and communicated to a cold air output port through the cold air output pipeline, hot end outlets of the vortex tubes are collected and communicated to a hot air output port through the hot air output pipeline, and the air filter screen is arranged at an air inlet of the box body;
drying the gas by a vortex tube dryer, and enabling the gas to enter a filtering device of the next link;
the filtering device consists of an oil-water separator, an air filter A, an air filter B, a compressed air dryer, an air filter C, an air filter D, an air filter E and a bypass valve, wherein the gas outlet of the oil-water separator is connected with the gas inlet of the air filter A, the air outlet of the air filter A is connected with the air inlet of the air filter B, the air outlet of the air filter B is connected with the air inlet of the compressed air dryer, the air outlet of the compressed air dryer is connected to the air inlet of the air filter C, the air outlet of the air filter C is connected to the air inlet of the air filter D, and the gas outlet of the air filter D is connected with the gas inlet of the air filter E, and the gas inlet of the oil-water separator and the gas outlet of the air filter E are connected with a bypass valve.
Furthermore, the end part of the vortex tube is provided with an adjusting valve for controlling the flow rate of the gas, the cold end outlet and the hot end outlet of the vortex tube are both provided with silencers, and the end of the vortex tube with the cold end outlet is also provided with an air inlet.
Furthermore, the compressed air dryer comprises a compressed air inlet pipeline, a vortex tube cooling device, an air outlet pipeline and a drainage device, wherein the compressed air inlet pipeline is connected with the air outlet pipeline, cold air output by the vortex tube cooling device outputs cold air to input compressed air of the compressed air inlet pipeline, and the compressed air inlet pipeline is connected with the drainage device.
Furthermore, the air pressure pump can be one micro air compression pump.
Furthermore, the vortex tube selects a plurality of same cyclone axial flow type vortex refrigerators and is made of stainless steel.
The invention provides another technical scheme: a method for drying and purifying compressed gas comprises the following steps:
s1: external air enters the air pressure pump through a pipeline for pressurization, is converted by the energy in the vortex tube, generates cold air at one end and hot air at the other end, and is discharged through the cold air output pipeline and the hot air output pipeline correspondingly;
s2: the external compressed air enters a filtering device after being dried, and is primarily purified by an oil-water separator;
s3: then continuously passing through two air filters to further filter impurities in the gas;
s4: the gas passes through a compressed air dryer, so that the moisture in the gas is frozen and condensed, and the water content of the output gas is greatly reduced;
s5: and then the water drops and impurity particles in the gas are filtered by three air filters with different densities, and finally the clean and dry gas is output from the output end.
Further, the monomer parameters of the S1 vortex tube were as follows: nominal operating gas pressure: 5-8 atmospheric pressures; gas consumption: 200 NL/min; refrigeration power: greater than 106 kcal/h.
Compared with the prior art, the invention has the beneficial effects that: the invention is simple and easy to operate, light and easy to use, dries and purifies the gas to the maximum extent, greatly saves manpower and material resources, is beneficial to improving the working efficiency, also improves the use efficiency of various gases, makes up the blank of the prior art, effectively reduces the failure rate of equipment and prolongs the service life. Has important significance for improving economic benefit, production capacity and product quality.
Drawings
FIG. 1 is a schematic view of a vortex tube dryer of the compressed gas drying and purifying apparatus of the present invention;
FIG. 2 is a schematic view of the vortex tube configuration of the present invention;
FIG. 3 is a schematic diagram of a filter device of the compressed gas drying and purifying apparatus according to the present invention;
fig. 4 is a schematic piping diagram of the compressed air dryer of the present invention.
In the figure: 1. a box body; 2. an air pressure pump; 3. a vortex tube; 31. a cold end outlet; 32. an air inlet; 33. a hot end outlet; 34. adjusting a valve; 35. a muffler; 4. a cold air output duct; 5. a hot air output duct; 6. an air screen; 7. an oil-water separator; 8. an air filter A; 9. an air filter B; 10. a compressed air dryer; 101. a compressed air intake duct; 102. a vortex tube cooling device; 103. an air outlet pipe; 104. a drainage device; 11. an air filter C; 12. an air filter D; 13. an air filter E; 14. a bypass valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a device for drying and purifying compressed gas comprises a vortex tube dryer and a filter device, wherein the vortex tube dryer comprises a box body 1, an air pressure pump 2, a vortex tube 3, a cold air output pipeline 4, a hot air output pipeline 5 and an air filter screen 6, the air pressure pump 2 and a plurality of vortex tubes 3 arranged side by side are arranged in the box body 1, one air pressure pump 2 can be selected from a micro air pressure pump and can correspondingly generate atmospheric pressure meeting the overall working pressure of the vortex tube, meanwhile, the vortex tube 3 can select a plurality of cyclone axial flow type vortex refrigerators (the number of the vortex tubes can be selected according to actual conditions on site) with the same number, the vortex tubes are made of stainless steel materials and can instantly generate low-temperature gas without using any refrigerant, cold end outlets of the vortex tubes 3 are converged and communicated to a cold air output port through the cold air output pipeline 4, hot end outlets of the vortex tubes 3 are converged and communicated to a hot air output port through the hot air output pipeline 5, the air inlet of the box body 1 is also provided with an air filter screen 6.
Referring to fig. 2, the end of the vortex tube 3 is provided with a regulating valve 34 for controlling the amount of the gas flow, the cold end outlet 31 and the hot end outlet 33 of the vortex tube 3 are both provided with silencers 35, and the end of the vortex tube 3 with the cold end outlet 31 is also provided with an air inlet 32. The cold end outlet 31 of the vortex tube 3 outputs cold air through a cold air output port extending out of the outer side of the box body 1, and the cold air generated by the vortex tube 3 cools the external compressed gas passing through the pipeline, so that the moisture in the gas is condensed and filtered, and the aim of drying the gas is fulfilled.
The gas is dried by a vortex tube dryer and enters a filtering device of the next link.
Referring to fig. 3, the filtering apparatus includes an oil-water separator 7, an air filter A8, an air filter B9, a compressed air dryer 10, the air filter C11, the air filter D12, the air filter E13 and the bypass valve 14 are arranged, a gas outlet of the oil-water separator 7 is connected with a gas inlet of the air filter A8, a gas outlet of the air filter A8 is connected with a gas inlet of the air filter B9, a gas outlet of the air filter B9 is connected with a gas inlet of the compressed air dryer 10, a gas outlet of the compressed air dryer 10 is connected with a gas inlet of the air filter C11, a gas outlet of the air filter C11 is connected with a gas inlet of the air filter D12, a gas outlet of the air filter D12 is connected with a gas inlet of the air filter E13, and a gas inlet of the oil-water separator 7 and a gas outlet of the air filter E13 are connected with the bypass valve 14. Wherein:
the oil-water separator 7 is used for preliminarily purifying impurities such as moisture and oil condensed in the input gas.
The air filter A8 is used for filtering and purifying impurities of the gas output from the previous step.
The air filter B9 is used for filtering and purifying impurities of the gas output from the previous step.
The compressed air dryer 10 adopts the combination of the vortex tube 3, and utilizes the vortex tube 3 to cool the external compressed air so as to condense the water vapor in the compressed air, thereby achieving the purpose of drying the gas.
The air filter C11, the air filter D12, and the air filter E13 are used to filter and purify the condensed compressed air, perform dry-wet separation, and dry the cleaned compressed air.
When the equipment is out of service due to faults or the gas pipeline is blocked and cannot circulate, the bypass valve 14 is controlled to be communicated by the feedback of the electric control unit, so that the pipeline gas can be normally circulated under any condition.
Referring to fig. 4, the compressed air dryer 10 includes a compressed air inlet duct 101, a vortex tube cooling device 102, an air outlet duct 103 and a drainage device 104, the compressed air inlet duct 101 is connected to the air outlet duct 103, the cold air output by the vortex tube cooling device 102 outputs cold air to the input compressed air of the compressed air inlet duct 101 for cooling the input air to condense the compressed air, and the compressed air inlet duct 101 is connected to the drainage device 104. Drain 104 may be periodically manually drained of device water. The cold air generated by the vortex tube 3 is used for cooling and condensing the input gas, thereby achieving the purpose of drying the gas.
Based on the above device for drying and purifying compressed gas, the present embodiment provides a method for drying and purifying compressed gas, including the following steps:
step 1: external air enters the air pressure pump 2 through a pipeline for pressurization, is converted by the internal energy of the vortex tube 3, generates cold air at one end and hot air at the other end, and is correspondingly discharged through the cold air output pipeline 4 and the hot air output pipeline 5; the low-temperature gas flow at the cold end of the vortex tube 3 can reach the temperature below minus 40 ℃ relative to the room temperature. And the amount of airflow can be conveniently adjusted by adjusting valve 34 for the purpose of controlling the temperature of the cold side airflow. The invention is provided with a silencer 35 at the cold and hot ends of the vortex tube 3. The monomer parameters are as follows: nominal operating gas pressure: 5-8 atmospheric pressures; gas consumption: 200NL/min (gas supply pressure 6 atm); refrigeration power: more than 106kcal/h (gas supply pressure is 6 atmospheric pressure). Compressed air with certain pressure is input, energy conversion is carried out in the vortex tube 3, cold air is generated at one end, and hot air is generated at the other end.
Step 2: the external compressed air enters the filtering device after being dried, and is primarily purified by the oil-water separator 7; ensuring that the gas is free of large-particle impurities and oil stains.
And step 3: then continuously passes through two air filters to further filter impurities in the gas.
And 4, step 4: the gas passes through the compressed air dryer 10, so that the moisture in the gas is frozen and condensed, and the water content of the output gas is greatly reduced.
And 5: and then the water drops and impurity particles in the gas are filtered by three air filters with different densities, and finally the clean and dry gas is output from the output end. Meanwhile, in order to ensure stable gas supply and prevent field failure caused by gas interruption due to the problem of the drying and purifying device, an automatic control bypass valve is installed at the input end and the output end, and the bypass valve 14 is directly opened when no gas flow in the equipment is detected, so that the normal gas supply of the field equipment is ensured.
The invention has the following advantages:
1. the oil-water separator is placed at the front end of the device, and firstly filters large-particle impurity oil stains to ensure the normal operation of elements in the following links. 2. All elements are arranged in the same box body 1, so that the compactness of machining is ensured. 3. The vortex tube cold drying machine achieves a good cold drying effect, and further improves the effect of gas drying. 4. The gas with pressure lower than 6 kilograms at any industrial site can be filtered and dried, and the pressure reduction amplitude per se is less than 0.1 kilogram.
The invention has the following effects: the field gas is dried and filtered, the equipment operation is facilitated, the working efficiency of unit personnel and the equipment use efficiency are improved, the service life is prolonged, and the blank of the existing filtering and drying device is made up.
Direct benefit: the gas is dried and filtered under the original condition, the operation space is limited, the workload is large, the procedure is complicated, the human errors are easy to continuously accumulate, and the integral filtering and drying effect cannot be effectively ensured; the drying and filtering device saves manpower and material resources, reduces equipment faults, improves the service life of the equipment, and can play a great role in various industrial fields.
Indirect benefit: the blank of the compressed air drying and filtering device is made up, and the compressed air drying and filtering device can be used as a standard device to be applied to various industries; the method is simple to operate, ensures the precision and has wide application prospect in various aspects of industrial fields.
In addition, from the application scope, the drying and filtering device is popularized and applied to all corresponding objects with gas problems, is not limited to industrial sites, and greatly improves the working efficiency and the working capacity of related personnel.
According to the invention, through the drying of the vortex tube dryer, the gas enters the filtering device of the next link, passes through three air filters with different meshes, and is filtered layer by layer, so that the purpose of drying and purifying the gas is achieved. Ensure that water drops and impurity particles in the gas are filtered, and finally, clean and dry gas is output from the output end. Meanwhile, in order to ensure stable gas supply and prevent field failure caused by gas interruption due to the problem of the drying and purifying device, an automatic control bypass valve is installed at the input end and the output end, and the bypass valve 14 is directly opened when no gas flow in the equipment is detected, so that the normal gas supply of the field equipment is ensured. The invention is simple and easy to operate, light and easy to use, dries and purifies the gas to the maximum extent, greatly saves manpower and material resources, is beneficial to improving the working efficiency, also improves the use efficiency of various gases, makes up the blank of the prior art, effectively reduces the failure rate of equipment and prolongs the service life. Has important significance for improving economic benefit, production capacity and product quality.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (7)
1. The device for drying and purifying the compressed gas is characterized by comprising a vortex tube dryer and a filtering device, and the device is characterized in that the vortex tube dryer consists of a box body (1), an air pressure pump (2), vortex tubes (3), a cold air output pipeline (4), a hot air output pipeline (5) and an air filter screen (6), wherein the air pressure pump (2) and the vortex tubes (3) which are arranged side by side are arranged inside the box body (1), cold end outlets of the vortex tubes (3) are collected and communicated to a cold air output port through the cold air output pipeline (4), hot end outlets of the vortex tubes (3) are collected and communicated to the hot air output port through the hot air output pipeline (5), and the air filter screen (6) is further arranged at an air inlet of the box body (1);
drying the gas by a vortex tube dryer, and enabling the gas to enter a filtering device of the next link;
the filtering device consists of an oil-water separator (7), an air filter A (8), an air filter B (9), a compressed air dryer (10), an air filter C (11), an air filter D (12), an air filter E (13) and a bypass valve (14), wherein a gas outlet of the oil-water separator (7) is connected to a gas inlet of the air filter A (8), a gas outlet of the air filter A (8) is connected to a gas inlet of the air filter B (9), a gas outlet of the air filter B (9) is connected to a gas inlet of the compressed air dryer (10), a gas outlet of the compressed air dryer (10) is connected to a gas inlet of the air filter C (11), a gas outlet of the air filter C (11) is connected to a gas inlet of the air filter D (12), and a gas outlet of the air filter D (12) is connected to a gas inlet of the air filter E (13), and a gas inlet of the oil-water separator (7) and a gas outlet of the air filter E (13) are connected with a bypass valve (14).
2. A device for drying and purifying compressed gas according to claim 1, wherein the end of the vortex tube (3) is provided with a regulating valve (34) for controlling the amount of the gas flow, a muffler (35) is arranged at each of the cold end outlet (31) and the hot end outlet (33) of the vortex tube (3), and an air inlet (32) is arranged at the end of the vortex tube (3) with the cold end outlet (31).
3. A compressed air drying and purifying device according to claim 1, wherein the compressed air drying machine (10) comprises a compressed air inlet pipe (101), a vortex tube cooling device (102), an air outlet pipe (103) and a water discharging device (104), the compressed air inlet pipe (101) is connected with the air outlet pipe (103), cold air output by the vortex tube cooling device (102) outputs cold air to input compressed air of the compressed air inlet pipe (101), and the compressed air inlet pipe (101) is connected with the water discharging device (104).
4. A compressed gas drying and purifying device according to claim 1, wherein the air pressure pump (2) can be selected from micro air pressure pumps.
5. The device for drying and purifying compressed gas as claimed in claim 1, wherein the vortex tube (3) is made of stainless steel and is selected from a plurality of identical cyclone axial flow vortex refrigerators.
6. A method for drying and purifying compressed gas according to any one of claims 1 to 5, comprising the steps of:
s1: external air enters the air pressure pump (2) through a pipeline for pressurization, is converted by the internal energy of the vortex tube (3), generates cold air at one end and hot air at the other end, and is correspondingly discharged through the cold air output pipeline (4) and the hot air output pipeline (5);
s2: the external compressed air enters a filtering device after being dried, and is primarily purified by an oil-water separator (7);
s3: then continuously passing through two air filters to further filter impurities in the gas;
s4: the gas passes through a compressed air dryer (10) to freeze and condense the moisture in the gas, so as to ensure that the water content of the output gas is greatly reduced;
s5: and then the water drops and impurity particles in the gas are filtered by three air filters with different densities, and finally the clean and dry gas is output from the output end.
7. A method for drying and purifying compressed gas according to claim 6, wherein the monomer parameters of the S1 vortex tube (3) are as follows: nominal operating gas pressure: 5-8 atmospheric pressures; gas consumption: 200 NL/min; refrigeration power: greater than 106 kcal/h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911041377.0A CN110721557A (en) | 2019-10-30 | 2019-10-30 | Device and method for drying and purifying compressed gas |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911041377.0A CN110721557A (en) | 2019-10-30 | 2019-10-30 | Device and method for drying and purifying compressed gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589277A (en) * | 2020-04-22 | 2020-08-28 | 烟台创意医疗科技有限公司 | Compressed air purifying and filtering device and method for medical hyperbaric oxygen chamber |
| CN114931845A (en) * | 2021-12-31 | 2022-08-23 | 安徽华塑股份有限公司 | Industrial hydrous hydrogen chloride gas dehydration equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201354070Y (en) * | 2009-02-26 | 2009-12-02 | 珠海市海夫实业发展有限公司 | Purifying device of engine compressed air |
| CN208095017U (en) * | 2018-03-13 | 2018-11-13 | 马鞍山钢铁股份有限公司 | A kind of heating of electrical cabinet and refrigerating plant |
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2019
- 2019-10-30 CN CN201911041377.0A patent/CN110721557A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201354070Y (en) * | 2009-02-26 | 2009-12-02 | 珠海市海夫实业发展有限公司 | Purifying device of engine compressed air |
| CN208095017U (en) * | 2018-03-13 | 2018-11-13 | 马鞍山钢铁股份有限公司 | A kind of heating of electrical cabinet and refrigerating plant |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589277A (en) * | 2020-04-22 | 2020-08-28 | 烟台创意医疗科技有限公司 | Compressed air purifying and filtering device and method for medical hyperbaric oxygen chamber |
| CN114931845A (en) * | 2021-12-31 | 2022-08-23 | 安徽华塑股份有限公司 | Industrial hydrous hydrogen chloride gas dehydration equipment |
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