CN215388601U - Complete set helium drying system - Google Patents
Complete set helium drying system Download PDFInfo
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- CN215388601U CN215388601U CN202023156123.4U CN202023156123U CN215388601U CN 215388601 U CN215388601 U CN 215388601U CN 202023156123 U CN202023156123 U CN 202023156123U CN 215388601 U CN215388601 U CN 215388601U
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Abstract
A helium drying kit, comprising: one end of the drying device is connected with the high-pressure helium pipeline, the other end of the drying device is connected with the exhaust port, and the high-pressure helium is dried and screened for impurities through a drying tank and a filtering device in the drying device and then is sent to the adjacent device; one end of the emptying device is connected with the emptying port, and the other end of the emptying device is connected with the high-pressure helium pipeline and can be used for directly releasing gas entering the system; and one end of the low-pressure heating device is connected with the low-pressure nitrogen pipeline, the other end of the low-pressure heating device is connected with the drying tank, and the low-pressure nitrogen is heated and warmed by the electric control device, the heating device and the electric tracing device which are connected in the low-pressure heating device and used for reactivating the drying tank to work. The drying device is used for drying the high-cost high-pressure helium gas, and then the low-cost low-pressure nitrogen gas is used for reactivating the drying device, so that the equipment can be repeatedly used at a lower cost, and the purpose of improving the helium gas drying cost performance in the system is achieved.
Description
Technical Field
The utility model relates to the field of compressed gas drying, in particular to a complete set of helium drying system.
Background
Helium is a non-renewable strategic resource and is widely applied to the fields of national defense and military industry, scientific research, aerospace, refrigeration, medical treatment, optical fiber, leakage detection, low-temperature superconduction, deep sea diving, high-precision welding production and the like. And helium gas resource is seriously unevenly distributed in the whole world, the price is high, and the fluctuation factor is large. Drying treatment of high-pressure helium is a very important link in industrial production.
Therefore, the drying treatment of the high-pressure helium gas with low cost and high efficiency becomes a difficult problem in the industry.
SUMMERY OF THE UTILITY MODEL
In order to achieve the purpose, the utility model adopts the technical scheme that:
a helium drying kit, comprising:
one end of the drying device is connected with the high-pressure helium pipeline, the other end of the drying device is connected with the exhaust port, and the high-pressure helium is dried and screened for impurities through a drying tank and a filtering device in the drying device and then is sent to an adjacent device;
one end of the emptying device is connected with the emptying port, and the other end of the emptying device is connected with the high-pressure helium pipeline and can be used for directly releasing gas entering the system;
and one end of the low-pressure heating device is connected with the low-pressure nitrogen pipeline, the other end of the low-pressure heating device is connected with the drying tank, and the low-pressure nitrogen is heated and warmed up by the electric control device, the heating device and the electric tracing device which are connected in the low-pressure heating device, so that the drying tank is reactivated to work.
In a preferred embodiment of the present invention, a first control device is disposed behind the high pressure helium pipeline for controlling the input of the high pressure helium.
In a preferred embodiment of the present invention, a second control device is disposed between the drying device and the filtering device, and a back pressure device and a check device are disposed between the filtering device and the exhaust port.
In a preferred embodiment of the utility model, the emptying device further comprises a third control device, which is arranged after the first control device and in parallel with the drying tank.
In a preferred embodiment of the present invention, the electric control device includes a back pressure device, an electromagnetic control device, a flow switch, and a needle valve, which are connected in series, and the needle valve is connected in parallel with the back pressure device, the electromagnetic control device, and the flow switch.
In a preferred embodiment of the utility model, a flow meter and a safety device are sequentially arranged between the electric control device and the heating device, the safety device also forms a passage with the electric tracing device and the vent, and a fifth control device is arranged in front of an air inlet of the electric tracing device.
In a preferred embodiment of the present invention, a second check device and a sixth control device are disposed between the air outlet of the heating device and the air inlet of the electric tracing device.
The utility model has the beneficial effects that:
according to the complete helium drying system provided by the utility model, the drying device is used for drying high-cost high-pressure helium, and then the low-cost low-pressure nitrogen is used for reactivating the drying device, so that the equipment can be repeatedly used at a lower cost, and the purpose of effectively improving the helium drying cost performance in the system is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, a helium drying system set mainly comprises a high pressure helium gas inlet 100, a drying tank 102, a filtering device 104, a low pressure nitrogen gas inlet 120, a heating device 127, an exhaust 107 and a vent 111.
After being dried by the drying tank 102, the high pressure helium gas is filtered and screened by the filtering device 104 and finally flows into an adjacent device.
Specifically, a high-pressure helium gas inlet 100 is connected with a first adjusting device 101, and the first adjusting device 101 is used for controlling whether high-pressure helium gas is put into a system; the rear part of the first adjusting device 101 is respectively connected with a third adjusting device 110 and the drying tank 102, and the third adjusting device 110 is connected with a vent 111 and can be used for directly releasing high-pressure helium gas entering a system; the rear end of the drying tank 102 is also provided with a second adjusting device 103, and the other end of the second adjusting device 103 is respectively connected with the electric tracing device 130 and the filtering device 104; the waste gas filtered by the filtering device 104 is directly exhausted out of the system through the seventh control device 104a, after the pressure of the residual gas is stabilized through the first backpressure device 105, the first backpressure device 105 only allows high-pressure gas with pressure higher than the preset pressure to pass through, and finally the gas flows out of the system through the check device 106 and the exhaust port 107 to enter an adjacent device.
The low-pressure nitrogen enters the drying tank 102 to reactivate the drying capacity after being heated by the electric control device and the heating device 127, and is finally discharged from the vent 111 through the third adjusting device 110.
Specifically, the low-pressure nitrogen inlet 120 is connected with a fourth adjusting device 121, and the fourth adjusting device 121 is used for controlling whether low-pressure nitrogen is put into the system; the rear end of the fourth adjusting device 121 is connected with the fine adjusting device 121a and the second back pressure device 122 respectively; the low-pressure nitrogen passes through the second backpressure device 122 and then passes through the electromagnetic adjusting device 123 and the flow switch 124; the electromagnetic adjusting device 123 is controlled to be closed by an electronic system according to the data fed back by the flow switch 124 according to an operation logic; the low-pressure nitrogen gas passes through the second backpressure device 122 and the fine adjustment device 121a to work cooperatively, and after the pressure is stabilized, the low-pressure nitrogen gas and the low-pressure nitrogen gas are converged into the flow meter 125 and then enter the heating device 127; after heating, the low-pressure nitrogen enters the drying tank 102 through the check device 128 and the sixth adjusting device 129 under the heat preservation of the electric tracing device 130, activates the drying capacity of the drying tank 102 again, and is discharged from the vent 111 through the third controlling device 110.
A fifth adjusting device 126a is arranged between the sixth adjusting device 129 and the electric tracing device 130, a safety device 126 is further arranged between the flowmeter 125 and the heating device 127, the fifth adjusting device 126a, the vent 111 and the safety device 126 are communicated with each other, when the fifth adjusting device 126a is opened, low-pressure nitrogen or high-pressure helium can be directly discharged out of the system from the vent 111 through the fifth adjusting device 126a, and when the pressure of the gas received by the safety device 126 from the fifth adjusting device 126a and the flowmeter 125 is greater than a system threshold value, the pressure can be automatically relieved, and the safety of the system is ensured.
Claims (7)
1. A helium drying kit, comprising:
one end of the drying device is connected with the high-pressure helium pipeline, the other end of the drying device is connected with the exhaust port, and the high-pressure helium is dried and screened for impurities through a drying tank and a filtering device in the drying device and then is sent to an adjacent device;
one end of the emptying device is connected with the emptying port, and the other end of the emptying device is connected with the high-pressure helium pipeline and can be used for directly releasing gas entering the system;
and one end of the low-pressure heating device is connected with the low-pressure nitrogen pipeline, the other end of the low-pressure heating device is connected with the drying tank, and the low-pressure nitrogen is heated and warmed up by the electric control device, the heating device and the electric tracing device which are connected in the low-pressure heating device, so that the drying tank is reactivated to work.
2. The helium drying package as claimed in claim 1, wherein said hp helium line is followed by a first control means for controlling the hp helium input.
3. The helium drying kit as claimed in claim 1, wherein a second control means is provided between said drying means and said filtering means, and a back pressure means are provided between the filtering means and the exhaust port.
4. The helium drying plant as defined in claim 2, wherein said vent means further comprises a third control means, said third control means being disposed after said first control means and in parallel with said drying vessel.
5. The helium drying plant as claimed in claim 1, wherein said electrical control means comprises a back pressure means, an electromagnetic control means, a flow switch connected in series, and a needle valve connected in parallel with said back pressure means, said electromagnetic control means and said flow switch.
6. The helium drying kit as claimed in claim 1, wherein a flow meter and a safety device are sequentially disposed between said electrical control means and said heating means, said safety device further forming a path with said electric tracing means and said vent, and a fifth control means is disposed in front of an air inlet of said electric tracing means.
7. The helium drying kit as claimed in claim 1, wherein a second check means and a sixth control means are provided between the outlet of said heating means and the inlet of said electric tracing means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023156123.4U CN215388601U (en) | 2020-12-24 | 2020-12-24 | Complete set helium drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023156123.4U CN215388601U (en) | 2020-12-24 | 2020-12-24 | Complete set helium drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215388601U true CN215388601U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023156123.4U Active CN215388601U (en) | 2020-12-24 | 2020-12-24 | Complete set helium drying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215388601U (en) |
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2020
- 2020-12-24 CN CN202023156123.4U patent/CN215388601U/en active Active
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