CN218787480U - Helium recovery system - Google Patents
Helium recovery system Download PDFInfo
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- CN218787480U CN218787480U CN202222718384.3U CN202222718384U CN218787480U CN 218787480 U CN218787480 U CN 218787480U CN 202222718384 U CN202222718384 U CN 202222718384U CN 218787480 U CN218787480 U CN 218787480U
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Abstract
The application discloses a helium gas recovery system, which comprises a recovery device, a purification device and a compression device, wherein the input end of the recovery device is communicated with a gas utilization device so as to recover gas in the gas utilization device; the purification device comprises a purification tank, a purification membrane, an exhaust valve and a mixing tank, wherein the purification membrane is accommodated in the purification tank, the purification membrane separates an inlet and an outlet of the purification tank, the mixing tank is communicated with the outlet of the purification tank, the inlet of the purification tank is connected with the output end of the recovery device, and the exhaust valve is connected with the purification tank; the input end of the compression device is connected to the mixing tank, and the output end of the compression device is communicated with the gas utilization device to supply gas to the gas utilization device. After the gas in the gas device is pumped out by the recovery device, the gas enters the purification tank, helium molecules in the gas can enter the mixing tank through the purification membrane, and other gases except the helium can be discharged through the exhaust valve, so that the gas pressure balance in the system can be maintained, and the helium can be recovered in a targeted manner, thereby reducing the waste of the helium.
Description
Technical Field
The application relates to the technical field of power batteries, in particular to a helium recovery system.
Background
After the lithium ion battery is produced, the tightness detection is needed, and usually a helium positive pressure detection method is adopted, namely, the battery is placed in a helium detection cavity, the helium detection cavity and the battery are pumped to a set negative pressure value, then helium is filled into the battery, and the pressure difference between the inside of the battery and the inside of the helium detection cavity is detected, so that whether the gas leakage exists in the battery is judged, and whether the tightness of the battery is qualified is judged. In the related art, a helium recovery system can be arranged outside the helium detection device, and after detection is finished, the helium recovery system pumps away helium in the battery to recover and reuse the helium; helium recovery systems are usually provided with an air supply device for supplying helium to maintain the concentration of helium introduced into the battery; usually, a pressure release valve is arranged on a recovery tank in a helium recovery system, and when helium is supplied to a helium tank, the pressure release valve is opened to discharge a corresponding amount of waste gas so as to maintain the air pressure balance inside the helium recovery system, but the waste gas discharged from the recovery tank still contains a large amount of helium, which causes helium waste.
SUMMERY OF THE UTILITY MODEL
The present application is directed to solving at least one of the problems in the prior art. Therefore, the helium recovery system can purify and recover helium in gas used by a gas device, so that helium waste is reduced.
The helium recovery system provided by the embodiment of the application is used for recovering and reusing helium in a gas device, and comprises a recovery device, a purification device and a compression device, wherein the input end of the recovery device is communicated with the gas device to recover gas in the gas device; the purification device comprises a purification tank, a purification membrane, an exhaust valve and a mixing tank, wherein the purification membrane is contained in the purification tank, the purification membrane separates an inlet and an outlet of the purification tank, the mixing tank is communicated with the outlet of the purification tank, the inlet of the purification tank is connected to the output end of the recovery device, and the exhaust valve is connected to the purification tank; the input end of the compression device is connected to the mixing tank, the compression device is used for compressing and storing the gas output from the mixing tank, and the output end of the compression device is used for being communicated with the gas using device so as to supply the gas to the gas using device.
The helium recovery system provided by the embodiment of the application at least has the following beneficial effects: be provided with the purification device among the helium recovery system, including inside purification jar, discharge valve and the blending tank that is provided with the purification membrane in the purification device, the gas back of taking out among the recovery device with the gas utilization equipment, gaseous entering purification jar, the helium molecule in the gas can get into the blending tank through the purification membrane, other gaseous then accessible discharge valve of except that the helium is discharged, can enough maintain the atmospheric pressure balance in the system, can make corresponding recovery to the helium again to can reduce the waste of helium.
In some embodiments of the present application, the helium recovery system further comprises a secondary purification device comprising a fourth control valve, wherein the output of the compression device is in communication with the input of the recovery device through the fourth control valve.
In some embodiments of the present application, the compression apparatus includes a compressor, a surge tank, a second control valve, the compressor is connected to the mixing tank and the surge tank, the compressor is configured to compress the gas in the mixing tank and then send the compressed gas into the surge tank, the surge tank is configured to be communicated with the gas using apparatus through the second control valve, the secondary purification apparatus further includes a first concentration detector, the first concentration detector is connected to the surge tank and is configured to detect the helium concentration in the surge tank, and the first concentration detector is in communication connection with the fourth control valve, the first concentration detector and the second control valve.
In some embodiments of this application, the helium recovery system still includes air supplement unit, air supplement unit includes helium gas pitcher and third control valve, the helium gas pitcher pass through the third control valve communicate in with the gas device, first concentration detection appearance with third control valve communication connection.
In some embodiments of the present application, the gas supply device further comprises a fifth control valve, and the helium tank is communicated with the gas supply device through the fifth control valve.
In some embodiments of this application, the helium gas recovery system still includes air supplement unit, air supplement unit includes helium gas pitcher and third control valve, the helium gas pitcher pass through the third control valve communicate in surge tank, and/or, the helium gas pitcher pass through the third control valve communicate in the mixing tank, first concentration detection appearance with third control valve communication connection.
In some embodiments of the present application, the secondary purification apparatus further includes a first pressure sensor connected to the surge tank and configured to detect a gas pressure in the surge tank, and the first pressure sensor is in communication with the third control valve, the first pressure sensor and the second control valve, and the first pressure sensor and the fourth control valve connected to the gas using apparatus.
In some embodiments of the present application, the compression device further includes a first filter connected between the compressor and the surge tank.
In some embodiments of the present application, the purification device further comprises a second concentration detector connected to the mixing tank for detecting a helium concentration within the mixing tank, the second concentration detector being in communication with the compression device.
In some embodiments of the present application, the purification device further comprises a second pressure sensor connected to the mixing tank for detecting a gas pressure within the mixing tank, the second pressure sensor being communicatively connected to the compression device.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The present application is further described with reference to the following figures and examples, in which:
FIG. 1 is a schematic view of a helium recovery system in accordance with some embodiments provided herein;
FIG. 2 is a schematic view of a helium recovery system in accordance with other embodiments provided herein.
Reference numerals:
the recovery device 100, the vacuum tank 110, the vacuum pump 120, the first control valve 130, the second filter 140, the safety valve 150, the third pressure sensor 160, the purification device 200, the purification tank 210, the purification membrane 220, the exhaust valve 230, the mixing tank 240, the second concentration detector 250, the second pressure sensor 260, the sixth control valve 270, the compression device 300, the compressor 310, the surge tank 320, the second control valve 330, the first filter 340, the seventh control valve 350, the ninth control valve 360, the first check valve 370, the manifold block 380, the gas supplementing device 400, the helium tank 410, the third control valve 420, the fifth control valve 430, the second check valve 440, the throttle valve 450, the tenth control valve 460, the secondary purification device 500, the fourth control valve 510, the first concentration detector 520, the first pressure sensor 530, the third check valve 540, the eighth control valve 550, and the gas using device 600.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions referred to, for example, the directions or positional relationships indicated above, below, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
Reference throughout this specification to the description of "one embodiment," "some embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1 and 2, the helium recovery system provided in the embodiment of the present application includes a recovery device 100, a purification device 200, and a compression device 300, wherein an input end of the recovery device 100 is used for being communicated with a gas utilization device 600 to recover gas in the gas utilization device 600; the purification apparatus 200 comprises a purification tank 210, a purification membrane 220, an exhaust valve 230 and a mixing tank 240, wherein the purification membrane 220 is accommodated in the purification tank 210, the purification membrane 220 separates an inlet and an outlet of the purification tank 210, the mixing tank 240 is communicated with the outlet of the purification tank 210, the inlet of the purification tank 210 is connected to the output end of the recovery apparatus 100, and the exhaust valve 230 is connected to the purification tank 210; the input end of the compression device 300 is connected to the mixing tank 240, the compression device 300 is used for compressing and storing the gas output from the mixing tank 240, and the output end of the compression device 300 is used for communicating with the gas-using device 600 to supply the gas to the gas-using device 600.
The helium recovery system that this application embodiment provided is used for retrieving the helium in with gas apparatus 600 and recycles, be provided with purification device 200 among the helium recovery system, including inside purification jar 210, discharge valve 230 and the blending tank 240 that is provided with purification membrane 220 in the purification device 200, the gas back of taking out among the gas apparatus 600 is used to recovery unit 100, gaseous entering purification jar 210, the helium molecule in the gas can get into the blending tank 240 through purification membrane 220, other gaseous then accessible discharge valve 230 of except that the helium is discharged, can enough maintain the atmospheric pressure balance in the system, can carry out pertinent recovery to the helium again, thereby can reduce the waste of helium.
Further, the purification apparatus 200 further comprises a sixth control valve 270, wherein the sixth control valve 270 is installed between the purification tank 210 and the mixing tank 240, and is used for controlling the purification tank 210 and the mixing tank 240 to be communicated with each other or isolated from each other.
Further, referring to fig. 1 and 2, the helium recovery system further includes a secondary purification device 500, the secondary purification device 500 includes a fourth control valve 510, and an output end of the compression device 300 is communicated with an input end of the recovery device 100 through the fourth control valve 510. When the helium concentration of the gas stored in the compression device 300 is insufficient, the fourth control valve 510 may be opened, and the gas purified in the compression device 300 may be re-input into the recovery device 100, and after re-purification by the purification device 200, may be re-input into the compression device 300 for compression and storage, so as to increase the helium concentration of the gas stored in the compression device 300, and further increase the recovery rate of helium.
Further, referring to fig. 2, the compressing device 300 includes a compressor 310, a surge tank 320, and a second control valve 330, the compressor 310 is connected to the mixing tank 240 and the surge tank 320, the compressor 310 is configured to compress the gas in the mixing tank 240 and then send the compressed gas into the surge tank 320, the surge tank 320 is configured to be communicated with the gas using device 600 through the second control valve 330, the secondary purification device 500 further includes a first concentration detector 520, the first concentration detector 520 is connected to the surge tank 320, and the first concentration detector 520 is in communication connection with the fourth control valve 510, and the first concentration detector 520 is in communication connection with the second control valve 330.
The first concentration detector 520 is used for detecting the helium concentration in the surge tank 320, and when the helium concentration in the surge tank 320 is detected to be insufficient, the first concentration detector 520 sends a signal to close the second control valve 330 and open the fourth control valve 510, so that the purified gas in the compression device 300 is input into the recovery device 100 again, and after the purified gas is purified again in the purification device 200, the purified gas is input into the compression device 300 for compression and storage, and thus the helium concentration of the gas stored in the compression device 300 is increased; when it is detected that the helium concentration in the surge tank 320 reaches the standard, the first concentration detector 520 sends a signal, so that the second control valve 330 is opened and the fourth control valve 510 is closed, so as to input the gas in the surge tank 320 into the gas using apparatus 600 for use by the gas using apparatus 600. Set up first concentration detection appearance 520 to set up first concentration detection appearance 520 and fourth control valve 510, first concentration detection appearance 520 and the equal communication connection of second control valve 330, need not manual operation and can realize according to the helium concentration control helium recovery system's in the surge tank 320 air feed or the secondary action of purifying, can realize automated control, promote helium recovery system's degree of automation.
When the concentration of the helium gas in the surge tank 320 is insufficient, the time required for re-purifying the gas in the surge tank 320 by re-inputting the gas into the purifying apparatus 200 may be long, which may cause the gas using apparatus 600 to be unable to use the gas normally, and in order to meet the use requirement of the gas using apparatus 600, further, referring to fig. 1 and fig. 2, the helium gas recovery system further includes a gas supplementing apparatus 400, the gas supplementing apparatus 400 includes a helium tank 410 and a third control valve 420, the helium tank 410 is communicated with the gas using apparatus 600 through the third control valve 420, and the first concentration detector 520 is in communication connection with the third control valve 420. When the first concentration detector 520 detects that the helium concentration in the surge tank 320 is insufficient, the first concentration detector 520 sends a signal to open the third control valve 420 communicated with the gas utilization device 600, and the helium tank 410 directly feeds high-purity helium into the gas utilization device 600 to ensure the helium concentration in the gas utilization device 600.
Further, referring to fig. 2, the gas supply apparatus 400 further includes a fifth control valve 430, and the helium tank 410 is communicated with the gas supply apparatus 600 through the fifth control valve 430. It should be noted that the fifth control valve 430 is connected in parallel with the third control valve 420 and is controlled in different manners, specifically, the fifth control valve 430 may be controlled in a manual control manner, and when the third control valve 420 fails and the gas using apparatus 600 needs to supply gas, the fifth control valve 430 may be manually opened, so that the helium tank 410 directly feeds high-purity helium gas into the gas using apparatus 600, so as to ensure normal use of the gas using apparatus 600.
Further, referring to fig. 2, the gas supplementing device 400 further includes a second check valve 440, and the second check valve 440 is installed between the helium tank 410 and the surge tank 320 and is used for preventing gas from flowing back from the surge tank 320 to the helium tank 410.
Further, referring to fig. 2, the gas supplementing device 400 further includes a throttle valve 450, and the throttle valve 450 is installed at an output end of the helium tank 410 and is used for adjusting an output flow rate of the helium tank 410.
Further, referring to fig. 2, the gas supplementing device 400 further includes a tenth control valve 460, and the tenth control valve 460 is installed at an output end of the helium tank 410 and is used for controlling the opening or closing of the helium tank 410.
Further, referring to fig. 1 and 2, the helium tank 410 is communicated with the surge tank 320 through a third control valve 420, and the helium tank 410 is also communicated with the mixing tank 240 through another third control valve 420. In addition, when the first concentration detector 520 detects that the helium concentration in the surge tank 320 is insufficient, the first concentration detector 520 sends a signal to open the third control valve 420 connected to the surge tank 320, and the helium tank 410 feeds high-purity helium to the surge tank 320, so as to quickly increase the helium concentration in the surge tank 320; or, the third control valve 420 connected to the mixing tank 240 is opened, the helium tank 410 feeds high-purity helium gas into the mixing tank 240 to rapidly increase the helium concentration in the mixing tank 240, and the gas in the mixing tank 240 is compressed by the compressor 310 and then fed into the pressure stabilizing tank 320, so that the helium concentration in the pressure stabilizing tank 320 can be increased.
In addition to the above, only the helium tank 410 may be provided to communicate with the surge tank 320 through the third control valve 420, or only the helium tank 410 may be provided to communicate with the mixing tank 240 through the third control valve 420.
Further, the third control valve 420 communicated with the gas utilization apparatus 600 may be simultaneously set with at least one of the third control valve 420 communicated with the surge tank 320 and the third control valve 420 communicated with the mixing tank 240 to meet different requirements in use, specifically, when the first concentration detector 520 detects that the helium concentration in the surge tank 320 is insufficient, if the gas utilization apparatus 600 does not temporarily need to supply gas, the third control valve 420 communicated with the surge tank 320 or the mixing tank 240 may be controlled to open; if the continuous concentration is insufficient for a certain period of time and the gas using device 600 needs to supply gas, the third control valve 420 connected to the gas using device 600 can be controlled to open.
In the case that the gas concentration in the surge tank 320 reaches the standard, if the gas pressure is insufficient, the gas in the surge tank 320 also does not meet the requirement of supplying gas to the gas using apparatus 600, and based on this, further referring to fig. 2, the secondary purification apparatus 500 further includes a first pressure sensor 530, the first pressure sensor 530 is connected to the surge tank 320 and is used for detecting the gas pressure in the surge tank 320, and the first pressure sensor 530 is in communication connection with a third control valve 420 connected to the gas using apparatus 600, the first pressure sensor 530 and a second control valve 330, and the first pressure sensor 530 and a fourth control valve 510. When the first pressure sensor 530 detects that the pressure of the gas in the surge tank 320 is insufficient, the first pressure sensor 530 sends a signal to open the third control valve 420 connected to the gas utilization apparatus 600, and the helium tank 410 directly feeds high-purity helium into the gas utilization apparatus 600 to ensure that the gas led to the gas utilization apparatus 600 has sufficient pressure; when the first pressure sensor 530 detects that the gas pressure in the surge tank 320 reaches a standard, the first pressure sensor 530 sends a signal so that the second and fourth control valves 330 and 510 are controlled to open or close according to the signal of the first concentration detector 520.
Further, referring to fig. 2, the secondary purification apparatus 500 further includes a third check valve 540, and the third check valve 540 is installed between the surge tank 320 and the gas using apparatus 600 and is used for preventing the gas in the gas using apparatus 600 from flowing back into the surge tank 320.
Further, referring to fig. 2, the secondary purification apparatus 500 further includes an eighth control valve 550, and specifically, the eighth control valve 550 is a pressure reducing valve, and the eighth control valve 550 is installed between the gas using apparatus 600 and the fourth control valve 510 for reducing the gas pressure to improve safety.
Further, referring to fig. 2, the compression apparatus 300 further includes a first filter 340, and the first filter 340 is connected between the compressor 310 and the surge tank 320. The first filter 340 is used for filtering impurities such as carbon powder in the gas output from the compressor 310, so as to purify the gas entering the surge tank 320.
Further, referring to fig. 2, the compressing apparatus 300 further includes a seventh control valve 360, and the seventh control valve 360 is installed between the compressor 310 and the surge tank 320 for controlling the compressor 310 and the surge tank 320 to be communicated with or isolated from each other.
Further, referring to fig. 2, the compressing apparatus 300 further includes a ninth control valve 360, and specifically, the ninth control valve 360 is a pressure reducing valve, and the ninth control valve 360 is installed between the compressor 310 and the seventh control valve 360 for reducing the gas pressure to improve safety.
Further, referring to fig. 2, the compression apparatus 300 further includes a first check valve 370, and the first check valve 370 is installed between the compressor 310 and the surge tank 320 for preventing gas from flowing backward from the surge tank 320 into the compressor 310.
Further, referring to fig. 2, the compression device 300 further includes a manifold block 380, and three pipes are connected to the manifold block 380, wherein one pipe is connected to the compressor 310, one pipe is connected to the surge tank 320, and one pipe is connected to the helium tank 410. The arrangement of the manifold block 380 can simplify the pipeline layout, so that the structure of the helium recovery system is more reasonable.
Further, referring to fig. 2, the recovery apparatus 100 includes a vacuum tank 110, a vacuum pump 120, a first control valve 130, and a second filter 140, wherein the vacuum tank 110 is connected to the gas using apparatus 600 through the first control valve 130, the vacuum pump 120 is connected to the vacuum tank 110, and the second filter 140 is connected between the gas using apparatus 600 and the vacuum tank 110. When the gas in the gas utilization device 600 needs to be recovered, the first control valve 130 is opened, the vacuum pump 120 is started, the gas in the gas utilization device 600 is conveyed to the purification tank 210 through the vacuum tank 110, and the second filter 140 is used for filtering impurities such as carbon powder in the gas output from the gas utilization device 600, so that the gas entering the vacuum tank 110 is purer.
Further, referring to fig. 2, the recovery apparatus 100 further includes a safety valve 150, the safety valve 150 is installed between the gas using apparatus 600 and the vacuum tank 110, and when the gas pressure in the helium recovery system is too high, the safety valve 150 can open to release the pressure, so as to avoid safety accidents caused by too high pressure in the helium recovery system.
Further, referring to fig. 2, the recycling apparatus 100 further includes a third pressure sensor 160, and the third pressure sensor 160 is installed between the vacuum tank 110 and the vacuum pump 120 and is used for detecting the pumping pressure of the vacuum pump 120 to monitor the operating state of the vacuum pump 120.
Further, referring to fig. 2, the purification apparatus 200 further includes a second concentration detector 250 and a second pressure sensor 260, the second concentration detector 250 is connected to the mixing tank 240 for detecting the helium concentration in the mixing tank 240, and the second concentration detector 250 is in communication connection with the compression apparatus 300; a second pressure sensor 260 is coupled to the mixing tank 240 for sensing the gas pressure within the mixing tank 240, the second pressure sensor 260 being communicatively coupled to the compression device 300. When the second concentration detector 250 detects that the concentration of the gas in the mixing tank 240 reaches the standard and the second pressure sensor 260 detects that the pressure of the gas in the mixing tank 240 reaches the standard, the second concentration detector 250 and the second pressure sensor 260 send out signals to start the compressor 310 in the compression device 300, and the compressor 310 compresses the gas in the mixing tank 240 and sends the compressed gas into the surge tank 320 for storage.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Claims (10)
1. The helium recovery system is used for recovering and reusing helium in a gas device, and is characterized by comprising:
the input end of the recovery device is communicated with the gas utilization device so as to recover the gas in the gas utilization device;
the purification device comprises a purification tank, a purification membrane, an exhaust valve and a mixing tank, wherein the purification membrane is accommodated in the purification tank, the purification membrane separates an inlet and an outlet of the purification tank, the mixing tank is communicated with the outlet of the purification tank, the inlet of the purification tank is connected to the output end of the recovery device, and the exhaust valve is connected to the purification tank;
the input end of the compression device is connected to the mixing tank, the compression device is used for compressing and storing the gas output from the mixing tank, and the output end of the compression device is used for being communicated with the gas using device so as to supply the gas to the gas using device.
2. The helium recovery system of claim 1, further comprising a secondary purification device comprising a fourth control valve, wherein the output of the compression device is in communication with the input of the recovery device through the fourth control valve.
3. The helium recovery system of claim 2, wherein the compression device comprises a compressor, a surge tank and a second control valve, the compressor is connected to the mixing tank and the surge tank, the compressor is used for compressing the gas in the mixing tank and then sending the compressed gas into the surge tank, the surge tank is used for being communicated with the gas using device through the second control valve, the secondary purification device further comprises a first concentration detector, the first concentration detector is connected to the surge tank and used for detecting the helium concentration in the surge tank, and the first concentration detector is in communication connection with the fourth control valve and the second control valve.
4. The helium gas recovery system of claim 3, further comprising an air supplement device comprising a helium gas tank and a third control valve, wherein the helium gas tank is communicated with the air use device through the third control valve, and wherein the first concentration detector is in communication with the third control valve.
5. The helium recovery system of claim 4, wherein the gas supplementing device further comprises a fifth control valve, and the helium tank is in communication with the gas using device through the fifth control valve.
6. The helium recovery system of claim 3, further comprising an air make-up device comprising a helium tank and a third control valve, wherein the helium tank is in communication with the surge tank via the third control valve, and/or wherein the helium tank is in communication with the mixing tank via the third control valve, and wherein the first concentration detector is in communication with the third control valve.
7. The helium recovery system of any of claims 4 to 6, wherein the secondary purification device further comprises a first pressure sensor connected to the surge tank and configured to detect a gas pressure within the surge tank, the first pressure sensor being communicatively connected to the third control valve connected to the gas using device, the first pressure sensor being connected to the second control valve, and the first pressure sensor being connected to the fourth control valve.
8. The helium recovery system of claim 3, wherein the compression device further comprises a first filter connected between the compressor and the surge tank.
9. The helium recovery system of claim 1, wherein said purification device further comprises a second concentration detector connected to said mixing tank for detecting a concentration of helium within said mixing tank, said second concentration detector being in communication with said compression device.
10. The helium recovery system of claim 9, wherein said purification device further comprises a second pressure sensor connected to said mixing tank for sensing the gas pressure within said mixing tank, said second pressure sensor communicatively connected to said compression device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222718384.3U CN218787480U (en) | 2022-10-14 | 2022-10-14 | Helium recovery system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222718384.3U CN218787480U (en) | 2022-10-14 | 2022-10-14 | Helium recovery system |
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| CN218787480U true CN218787480U (en) | 2023-04-04 |
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| CN202222718384.3U Active CN218787480U (en) | 2022-10-14 | 2022-10-14 | Helium recovery system |
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Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Xinwangda Power Technology Co.,Ltd. Address before: 518000 Xinwangda Industrial Park, No.18, Tangjia south, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |