Adsorbent life testing system

CN224636356UActive Publication Date: 2026-08-14SHIJIAZHUANG ENRIC GAS EQUIP +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-14
Publication Date
2026-08-14

AI Technical Summary

Technical Problem

上述传统测试方法依赖人工操作,且存在以下问题:(1)高压环境下人工操作风险高、效率低;(2)实验过程中充放气过程难以精确控制压力、温度及重放次数;(3)数据采集尚未实现全自动记录

Benefits of technology

本申请提供吸附剂寿命检测系统,通过设置控制器,并且在增压泵的进气端设置第六控制阀,在增压设备的进气端和出气端以及吸附设备的进气端和出气端分别设置第一控制阀,并使第一控制阀、第六控制阀与控制器电连接,实现了检测系统充放气的自动化操作,通过设置温度变送器和压力变送器监控检测系统的温度和压力变化,并通过控制器采集温度和压力数据,实现了吸附设备内吸附剂寿命的自动化检测。

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Abstract

This application discloses an adsorbent life detection system. The detection system includes a gas source, a booster pump, a booster device, an adsorption device, a first gas collection port, a second gas collection port, a controller, a temperature transmitter, and a pressure transmitter. A sixth control valve is installed at the inlet end of the booster pump, and first control valves are respectively installed at the inlet and outlet ends of the booster device and the inlet and outlet ends of the adsorption device. The first and sixth control valves are electrically connected to the controller, realizing the automated operation of the detection system's charging and discharging. By setting the temperature and pressure transmitters to monitor the temperature and pressure changes of the detection system, and by collecting temperature and pressure data through the controller, the automated detection of the adsorbent life in the adsorption device is realized.
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Description

Technical Field

[0001] This application relates to the field of adsorbent lifetime testing technology, and in particular to an adsorbent lifetime testing system. Background Technology Adsorbents (such as molecular sieves, activated carbon, and metal-organic frameworks) are widely used in high-pressure gas storage, purification, and separation. The adsorption lifespan of an adsorbent directly affects the economy and safety of the equipment, and its performance degradation pattern needs to be verified through high-pressure cycling tests.

[0002] Traditionally, the lifetime of adsorbents is tested manually using methods such as physical property testing (e.g., changes in weight, color, and integrity) and adsorption capacity testing. These traditional testing methods rely on manual operation and have the following problems: (1) manual operation under high pressure is risky and inefficient; (2) it is difficult to accurately control the pressure, temperature, and number of repetitions during the gas filling and releasing process; and (3) data acquisition has not yet achieved fully automated recording. Utility Model Content

[0003] In view of the shortcomings of the prior art, the purpose of this application is to provide an adsorbent lifetime detection system, which aims to realize the automated detection of adsorbent lifetime.

[0004] To achieve the above objectives, this application adopts the following technical solution: This application discloses an adsorbent lifetime detection system, comprising a gas source, a booster pump, a booster device, an adsorption device, a first gas collection port, a second gas collection port, a controller, a temperature transmitter, and a pressure transmitter. The inlet of the booster pump is connected to the gas source, and the inlet of the booster device is connected to the outlet of the booster pump. The booster device is used to dope the gas entering it. The inlet of the adsorption device is connected to both the outlet of the booster pump and the outlet of the booster device. The device includes the adsorbent; the first gas collection port is located at the inlet of the adsorption device, the second gas collection port is located at the outlet of the adsorption device, the inlet of the booster pump is equipped with a sixth control valve, the inlet and outlet of the booster device and the inlet and outlet of the adsorption device are respectively equipped with first control valves, the first control valves and the sixth control valves are respectively electrically connected to the controller, the temperature transmitter and the pressure transmitter are respectively located between the booster device and the booster pump, and are respectively electrically connected to the controller. In some embodiments of this application, the first control valve includes a pneumatic valve, which is located on the connection pipeline of the detection system, and the controller can control the gas flow rate in the detection system through the pneumatic valve.

[0005] In some embodiments of this application, the gas source includes a driving gas source, a nitrogen gas source, and a hydrogen gas source; the driving gas source is connected to the inlet end of the booster pump through a first pipe, and the first pipe is provided with the sixth control valve; the nitrogen gas source is connected to the inlet end pipe of the booster pump, and a fourth control valve is provided on the connecting pipe between the nitrogen gas source and the booster pump; the hydrogen gas source is connected to the inlet end pipe of the booster pump, and a fifth control valve is provided on the connecting pipe between the hydrogen gas source and the booster pump.

[0006] In some embodiments of this application, the fourth control valve and the fifth control valve respectively include a pressure regulating valve and a shut-off valve.

[0007] In some embodiments of this application, the detection system includes a drying filter disposed in a first pipeline and located between the driving air source and the sixth control valve.

[0008] In some embodiments of this application, the detection system includes a first vent pipe and a second vent pipe; the first vent pipe is connected to the booster pump and is provided with a second control valve; the second vent pipe is connected to the outlet end of the adsorption device and is provided with a third control valve, which is located at the end of the adsorption device outlet away from the first control valve.

[0009] In some embodiments of this application, the controller includes a cycle counter for collecting the number of times the adsorption device is charged and discharged.

[0010] In some embodiments of this application, the pressurizing device is provided with a liquid gas contact medium, and the gas entering the pressurizing device can contact the gas contact medium so that the gas exiting the pressurizing device can carry the gas contact medium.

[0011] Beneficial effects: This application provides an adsorbent life detection system. By setting a controller and installing a sixth control valve at the inlet of the booster pump, and first control valves at the inlet and outlet of the booster equipment and the inlet and outlet of the adsorption equipment respectively, and electrically connecting the first control valve and the sixth control valve to the controller, the system realizes automated operation of the charging and discharging of the detection system. By setting temperature transmitters and pressure transmitters to monitor the temperature and pressure changes of the detection system, and by collecting temperature and pressure data through the controller, the system realizes automated detection of the adsorbent life in the adsorption equipment. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of an adsorbent lifetime detection system provided in one embodiment of this application.

[0013] Key component symbols: 1. Drive gas source; 2. Nitrogen gas source; 3. Hydrogen gas source; 4. Booster pump; 5. Booster equipment; 51. Gas contact medium; 6. Adsorption equipment; 7. Controller; 8. First control valve; 9. First gas collection port; 10. Second gas collection port; 11. Temperature transmitter; 12. Pressure transmitter; 13. First pipeline; 14. Fourth control valve; 15. Fifth control valve; 141 / 151. Pressure regulating valve; 142 / 152. Shut-off valve; 18. Dryer filter; 19. First vent pipeline; 20. Second vent pipeline; 21. Second control valve; 22. Third control valve; 23. Sixth control valve. Detailed Implementation

[0014] This application provides an adsorbent lifetime detection system. To make the objectives, technical solutions, and effects of this application clearer and more explicit, the following detailed description is provided with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining this application and are not intended to limit this application.

[0015] In the description of this application, it should be understood that the terms "upper," "lower," "left," and "right," etc., indicating orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or a specific orientational structure and operation. Therefore, they should not be construed as limitations on this application. Furthermore, "first" and "second" are only for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "multiple" means two or more.

[0016] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0017] Please see Figure 1 This application provides an adsorbent life detection system, which is used for automated detection of adsorbent life, especially for automated cyclic verification of adsorbent life under high pressure environment.

[0018] Specifically, the detection system includes a gas source, a booster pump 4, a booster device 5, an adsorption device 6, a first gas collection port 9, a second gas collection port 10, a controller 7, a temperature transmitter 11, and a pressure transmitter 12.

[0019] The inlet of booster pump 4 is connected to a gas source to pressurize the gas entering the downstream booster device 5 and adsorption device 6, enabling the downstream devices to operate in a high-pressure environment and achieve pressure changes in the gas environment. The inlet of booster device 5 is connected to the outlet of booster pump 4 to receive the gas pressurized by booster pump 4. Booster device 5 is used to dope the gas entering it, allowing the gas to carry impurities and simulate the actual gas production environment. The inlet of adsorption device 6 is connected to both the outlet of booster pump 4 and the outlet of booster device 5, and adsorption device 6 contains adsorbent. A first gas collection port 9 is located at the inlet of adsorption device 6 to collect the gas before purification. A second gas collection port 10 is located at the outlet of adsorption device 6 to collect the gas after purification by adsorption device 6. Temperature transmitter 11 and pressure transmitter 12 are located between booster device 5 and booster pump 4 to monitor the pressure of the gas after passing through booster pump 4. Temperature transmitter 11 and pressure transmitter 12 are respectively installed at the air inlet of the booster device 5 to monitor the temperature and pressure at the air inlet of the booster device 5. The air inlet of the booster pump 4 is equipped with a sixth control valve 23. The air inlet and outlet of the booster device 5 and the air inlet and outlet of the adsorption device 6 are respectively equipped with a first control valve 8. The first control valve 8, the sixth control valve 23, the temperature transmitter 11 and the pressure transmitter 12 are respectively electrically connected to the controller 7.

[0020] In the above process, the fluid discharged from the pressurization device 5 enters the adsorption device 6, where the adsorbent purifies the gas. The purified gas is collected at the second gas collection port 10, and the unpurified gas is collected at the first gas collection port 9. By comparing the composition of the gases collected at these two locations, the purification effect of the adsorbent can be determined. The controller 7 centrally controls the opening and closing of multiple first control valves 8 and the sixth control valve 23 in the system, enabling automatic cyclic operation of the detection system. This allows for automatic detection of the adsorbent's lifespan, reducing reliance on manual operation and providing high controllability.

[0021] In some embodiments, the first control valve 8 includes a pneumatic valve. The pneumatic valve is located on the connection pipeline of the detection system, and the controller 7 can control the gas flow rate in the detection system through the pneumatic valve to realize the automatic cycle of inflation and deflation of the detection system.

[0022] In some embodiments, the gas source includes a drive gas source 1. The drive gas source 1 is connected to the inlet of the booster pump 4 via a first pipe 13, and a sixth control valve 23 is provided on the first pipe 13. The sixth control valve 23 is electrically connected to the controller 7, enabling automatic on / off switching of the drive gas source 1. The drive gas source 1 can be selected from gases such as compressed air, nitrogen, or hydrogen. The sixth control valve 23 can be a solenoid valve.

[0023] A dryer filter 18 is installed on the first pipeline 13. The dryer filter 18 is located between the drive air source 1 and the sixth control valve 23. The drive air enters the booster pump 4 through the dryer filter 18, ensuring the dryness of the drive air.

[0024] The gas source may include a nitrogen source 2. The nitrogen source 2 is connected to the inlet pipe of the booster pump 4, and a fourth control valve 14 is provided on the connecting pipe between the nitrogen source 2 and the booster pump 4. The nitrogen source 2 can be used to purify the internal environment of the system and reduce the oxygen content inside the system.

[0025] Nitrogen source 2 can be a 12MPa nitrogen cylinder. The nitrogen cylinder may include a pressure valve (not shown in the figure) and a safety pressure relief device (not shown in the figure) to ensure the safety of the cylinder.

[0026] The fourth control valve 14 may include a pressure regulating valve 141 and a shut-off valve 142. The pressure regulating valve 141 controls the output pressure of the nitrogen source 2, and the shut-off valve 142 controls the opening and closing of the connecting pipeline between the nitrogen source 2 and the booster pump 4.

[0027] The gas source may include hydrogen source 3. Hydrogen source 3 can serve as a carrier to verify the lifespan of the adsorbent. Hydrogen source 3 is connected to the inlet pipe of booster pump 4, and a fifth control valve 15 is provided on the connecting pipe between hydrogen source 3 and booster pump 4. Hydrogen source 3 can enter booster device 5 or adsorption device 6 through booster pump 4 to verify the airtightness of booster device 5 or adsorption device 6. In addition, hydrogen source 3 can also be doped in booster device 5 first, and the doped hydrogen can be passed into adsorption device 6 for purification to verify the lifespan of the adsorbent.

[0028] The hydrogen source 3 can be a 12MPa hydrogen container. The fifth control valve 15 includes a pressure regulating valve 151 and a shut-off valve 152. The pressure regulating valve 151 controls the output pressure of the hydrogen source 3, and the shut-off valve 152 controls the opening and closing of the connection pipeline between the hydrogen source 3 and the booster pump 4.

[0029] In some embodiments, the booster pump 4 can be a 100MPa air-driven booster pump 4, ensuring that the compression action of the booster pump 4 can meet the high-pressure environment requirements of the downstream equipment of the system. For example, the booster pump 4 can be a Shandong Saisite STA series, STD series, or STT series, or Jinan Hongsite H2TD60, etc.

[0030] The booster pump 4 is connected to a first vent pipe 19. A second control valve 21 is provided on the first vent pipe 19. The second control valve 21 can be an electronic valve. The second control valve 21 is connected to a controller 7, and the controller 7 controls the opening and closing of the second control valve 21 to achieve automatic venting of the booster pump 4.

[0031] In other embodiments, the second control valve 21 may also be a manually controlled valve, such as a shut-off valve, which controls the flow of fluid in the pipeline by manual operation to achieve the venting of the booster pump 4.

[0032] The booster device 5 contains a liquid gas contact medium 51. The gas entering the booster device 5 can contact the gas contact medium 51, so that the gas exiting the booster device 5 can carry the gas contact medium 51. After the doped gas enters the adsorption device 6, the gas contact medium 51 carried in the gas can be adsorbed by the adsorbent, so that the gas is purified.

[0033] The gas contact medium 51 is an ionic liquid. Doping the gas entering the pressurization device 5 with this gas contact medium 51 can fully simulate the change in hydrogen composition and content caused by the contact between hydrogen and the medium, thereby determining whether the downstream adsorption device 6 can adsorb the impurities generated after the contact.

[0034] A booster module, consisting of a driving gas source 1, a hydrogen gas source 3, a nitrogen gas source 2, a booster pump 4, and a booster device 5, is used to achieve a high-pressure environment for the adsorption device 6. A pressure transmitter 12 records the pressure changes of the booster device 5 in real time. A temperature transmitter 11 records the temperature changes of the booster device 5 in real time.

[0035] The adsorption device 6 can operate under high pressure. In some embodiments, the operating pressure of the adsorption device 6 can reach 150 MPa. The outer periphery of the adsorption device 6 is provided with a seamless pressure vessel to ensure that the adsorption device 6 can withstand greater pressure.

[0036] The adsorption device 6 has a removable adsorbent filling chamber inside, into which the adsorbent is filled. The removable structure facilitates the replacement of the adsorbent.

[0037] Distributors can be installed at both ends of the inner cavity of the adsorption device 6. Installing distributors at both ends of the inner cavity of the adsorption device 6 allows the fluid entering the adsorption device 6 to be evenly distributed throughout the entire device, ensuring that the fluid and the adsorbent are in full contact, thereby improving the adsorption efficiency of the adsorbent.

[0038] A wire mesh can also be installed inside the adsorption device 6. The wire mesh can be placed at both ends of the adsorbent filling cavity to fix the adsorbent.

[0039] The inlet and outlet of the adsorption device 6 can be equipped with sealing end plugs. The inlet and outlet of the adsorption device 6 are connected to the pipeline through the sealing end plugs to increase the airtightness of the adsorption device 6.

[0040] It is understandable that the adsorbent in the adsorption device 6 can effectively adsorb the gas carried in the fluid and contact the medium 51 to ensure that the gas passing through the adsorption device 6 can be effectively purified.

[0041] The outlet of the adsorption device 6 is connected to a second vent pipe 20. Through the second vent pipe 20, the gas inside the adsorption device 6 can be released to reduce the gas pressure inside the adsorption device 6.

[0042] The second vent pipe 20 is equipped with a third control valve 22. The third control valve 22 is located at the end of the first control valve 8 at the outlet of the adsorption device 6 that is away from the adsorption device 6. This allows the second vent pipe 20 to be connected to the outlet pipe of the adsorption device 6, reducing the number of openings in the adsorption device 6 and improving the airtightness of the adsorption device 6.

[0043] In some embodiments, the third control valve 22 may be an electronic valve. The third control valve 22 is connected to the controller 7, and the controller 7 controls the opening and closing of the third control valve 22 to achieve automatic venting of the adsorption device 6.

[0044] In other embodiments, the third control valve 22 may also be a manually controlled valve, such as a shut-off valve, which controls the flow of fluid in the second venting pipe 20 by manual operation to achieve venting of the adsorption device 6.

[0045] The controller 7 can be a PLC controller. The detection system of this application controls the opening and closing of the first control valve 8 and the sixth control valve 23 through the PLC controller, and collects temperature and pressure signals through the temperature transmitter 11 and pressure transmitter 12, thereby realizing an automatic inflation, pressure holding, and deflation cycle logic. The first control valve 8 and the sixth control valve 23 can dynamically adjust the gas path opening and closing according to the set pressure curve.

[0046] The controller 7 includes a cycle counter (not shown in the figure), which is used to collect the number of times the adsorption device 6 is charged and discharged, thereby realizing the recording of the number of tests.

[0047] On the other hand, the present application also provides a method for detecting the lifespan of an adsorbent. This detection method uses the detection system described above. This detection method includes the following steps: S001. Add a gas contact medium 51 to the pressurization device 5, and fill the adsorbent into the adsorption device 6.

[0048] Specifically, according to the size of the opening of the pressurization device 5, a suitable measuring tool can be used to measure the gas contact medium 51, and the gas contact medium 51 can be slowly poured into the interior of the pressurization device 5 through the connecting pipe above the pressurization device 5, and then the connecting pipeline is reinstalled and restored.

[0049] The adsorbent can be added to the adsorbent filling cavity using a suitable measuring tool. The adsorbent specifications can include large porcelain balls, small porcelain balls, and molecular sieves. The filling order of the adsorbent can be: first fill the large porcelain balls, then fill the small porcelain balls, then fill the molecular sieves, then fill the small porcelain balls, and finally fill the large porcelain balls. After the adsorbent filling is completed, the connecting pipeline is reinstalled and restored. This filling order makes the gaps among the adsorbent particles change hierarchically, which not only enables the fluid to pass through the adsorbent evenly, but also ensures the adsorption effect of the adsorbent.

[0050] S1. Check the airtightness of the detection system and stabilize the pressure of the detection system at the set value to ensure the stability and reliability of the system operation.

[0051] Specifically, step S1 can include: A101. Introduce nitrogen into the detection system to check the airtightness of the detection system, and release the pressure of the detection system to atmospheric pressure after the airtightness test is completed.

[0052] Exemplarily, dry and clean nitrogen can be introduced into the detection system, and the pressurization module is immersed in water. If there are no visible bubbles in the water, the airtightness detection is qualified. For the adsorption device 6 and its connecting pipelines, a leak detection liquid can be applied to each joint and sealing part, and if there are no visible bubbles, it is qualified.

[0053] A102. After the airtightness detection is qualified, continuously introduce nitrogen into the detection system until the oxygen content of the gas in the detection system is lower than 0.5%. By introducing nitrogen into the interior of the detection system to reduce the oxygen content of the gas environment in the detection system, the operation safety, adsorption efficiency of the adsorption device 6 are improved, and the adsorbent and the device are protected.

[0054] A103. Close the first control valves 8 at the inlet end and the outlet end of the adsorption device 6 respectively, so that the adsorbent in the adsorption device 6 is in a nitrogen-sealed state, further reducing the air content in the adsorption device 6 and improving the operation safety of the device.

[0055] A104. Introduce hydrogen gas into the detection system to displace the existing gas. Once the pressure inside the system reaches 5 MPa, purge the gas to 0.5 MPa. Repeat this step multiple times. The hydrogen gas must be 99.999% pure to ensure the reliability of the adsorption effect.

[0056] In some embodiments, the above step A104 is repeated no less than 5 times to ensure that the gas environment inside the adsorption device 6 can be replaced with hydrogen and to ensure that the hydrogen environment has a high purity.

[0057] A105. Introduce hydrogen gas into the detection system to gradually increase the pressure within the system, and check the airtightness of the detection system at each stage.

[0058] For example, the pressure inside the pressurization device 5 increases in increments of 10 MPa, and an airtightness test is performed on the testing system every 10 MPa increase in pressure. The system is considered airtight if no visible air bubbles are found at any of the connections.

[0059] Understandably, the pressure data here can be obtained by the pressure transmitter 12 located at the inlet of the booster device 5.

[0060] A106. After the pressure inside the booster device 5 rises to the set value and stabilizes, the gas in the connecting pipes between the inlet and outlet ends of the booster device 5 is vented, and the pressure inside the booster device 5 is maintained at the set value for a certain period of time.

[0061] Specifically, after the pressure inside the booster device 5 stabilizes, the gas in the connecting pipes between the inlet and outlet ends of the booster device 5 can be vented through the first vent pipe 19 and the second vent pipe 20.

[0062] The adsorbent life test is conducted at ambient temperature. After the pressure inside the pressurization equipment 5 reaches the set value and is maintained at the set value for at least 24 hours, the adsorbent life test can be carried out to ensure the stability and reliability of the system operation.

[0063] S2. Open the first control valve 8 at the inlet end of the adsorption device 6, close the first control valve 8 at the outlet end of the adsorption device 6, and introduce the gas discharged from the booster device 5 into the adsorption device 6. When the pressure inside the adsorption device 6 increases to a certain value, open the first control valve 8 at the outlet end of the adsorption device 6. Repeat this step multiple times.

[0064] For example, the above steps are repeated no less than 5 times to ensure that the nitrogen in the equipment is purged clean, and then the first control valve 8 at the inlet and outlet of the adsorption equipment 6 is closed.

[0065] S3. Open the first control valves 8 at the inlet and outlet of the adsorption device 6, and collect the purified gas from the adsorption device 6 through the second gas collection port 10. Close the first control valves 8 at the inlet and outlet of the adsorption device 6 respectively, and then collect the gas discharged from the pressurization device 5 that has not entered the adsorption device 6 through the first gas collection port 9. The adsorption effect of the adsorbent can be obtained by using the gas content data collected by the second gas collection port 10 and the first gas collection port 9.

[0066] S4. Vent the gas in the detection system to complete the first gas collection of the detection system.

[0067] S5. Increase the pressure of the booster device 5 to the set value and check the airtightness of the booster device 5. The pressure of the booster device 5 is increased step by step. Every 10MPa increase, the booster device 5 is observed and leak detection fluid is used to check the leaks at each connection of the detection system. If no visible bubbles are found, the airtightness is qualified.

[0068] S6. Stabilize the pressure of the booster device 5, maintain it for a certain period of time, and then open the first control valve 8 at the outlet of the adsorption device 6 to discharge the gas from the detection system. For example, in step S6 above, the pressure of the booster device 5 can be maintained at a set value for at least 24 hours, and the first control valve 8 at the outlet of the adsorption device 6 can be opened to discharge the gas in the detection system, so as to complete the purification of the fluid in the adsorption device 6.

[0069] S7. Repeat steps S5 and S6 above, and collect the gas discharged from the first gas collection port 9 and the second gas collection port 10 in stages respectively. To verify the purification effect of the adsorbent during its adsorption lifespan, the gases discharged from the first gas collection port 9 and the second gas collection port 10 were collected in batches, that is, collected at different cycles of the above-mentioned cyclic reaction.

[0070] For example, gas can be collected after the initial reaction to verify the adsorption effect of the adsorbent. Gas can be collected during the intermediate reaction stage to verify the adsorption effect after half of the adsorbent's usage time has passed. And, gas can be collected during the later reaction stage to verify the adsorption effect after the adsorbent has reached its adsorption lifetime.

[0071] By collecting data from different batches and combining it with the number of test cycles, the adsorption efficiency and fatigue life of the adsorbent can be determined.

[0072] S8. When the adsorption efficiency of the adsorbent in the adsorption device 6 drops to the set value, the detection system automatically stops running and generates a report on the number of adsorbent lifetimes.

[0073] Generally, the above setting values ​​can be set according to the component content specified in "GB / T 37244-2018 Fuel Hydrogen for Proton Exchange Membrane Fuel Cell Vehicles". That is, when the component content of the gas collected by the second gas collection port 10 cannot meet the component content specified in "GB / T 37244-2018 Fuel Hydrogen for Proton Exchange Membrane Fuel Cell Vehicles", it can be considered that the adsorbent has reached its fatigue life.

[0074] In the above method, the opening and closing of each valve, the control of pressure and temperature, the recording of running time, and the number of gas charging and discharging cycles in the entire system are all centrally controlled by the controller 7.

[0075] It is understood that those skilled in the art can make equivalent substitutions or changes based on the technical solution and concept of this application, and all such substitutions or changes should fall within the protection scope of the appended claims.

Claims

1. A sorbent life detection system, characterized by, include: Gas source; A booster pump, wherein the air inlet of the booster pump is connected to the air source; A booster device, wherein the air inlet of the booster device is connected to the air outlet of the booster pump, and the booster device is used to mix the gas entering the booster device; An adsorption device, wherein the air inlet of the adsorption device is connected to the air outlet of the booster pump and the air outlet of the booster pump respectively, and the adsorbent is provided inside the adsorption device; The first gas collection port is located at the gas inlet end of the adsorption device; The second gas collection port is located at the gas outlet of the adsorption device; The controller has a sixth control valve at the air inlet of the booster pump, and a first control valve at the air inlet and outlet of the booster equipment and the air inlet and outlet of the adsorption equipment, respectively. The first control valve and the sixth control valve are electrically connected to the controller. The temperature transmitter and the pressure transmitter are respectively located between the booster equipment and the booster pump, and are electrically connected to the controller.

2. The adsorbent life detection system of claim 1, wherein The first control valve includes a pneumatic valve, which is located on the connection pipeline of the detection system. The controller can control the gas flow rate in the detection system through the pneumatic valve.

3. The adsorbent life detection system of claim 1, wherein The gas source includes: The driving air source is connected to the air inlet of the booster pump through a first pipe, and the sixth control valve is provided on the first pipe; A nitrogen gas source is connected to the inlet pipe of the booster pump, and a fourth control valve is provided on the connecting pipe between the nitrogen gas source and the booster pump. A hydrogen gas source is connected to the inlet pipe of the booster pump, and a fifth control valve is provided on the connecting pipe between the hydrogen gas source and the booster pump.

4. The adsorbent life detection system of claim 3, wherein The fourth control valve and the fifth control valve respectively include a pressure regulating valve and a shut-off valve.

5. The adsorbent life detection system of claim 3, wherein The detection system includes: A drying filter is installed in the first pipeline and located between the driving air source and the sixth control valve.

6. The adsorbent life detection system of claim 1, wherein The detection system includes: A first vent pipe is connected to the booster pump, and a second control valve is provided on the first vent pipe; The second vent pipe is connected to the gas outlet of the adsorption device. A third control valve is provided on the second vent pipe. The third control valve is located at the end of the gas outlet of the adsorption device away from the first control valve.

7. The adsorbent life detection system of claim 1, wherein The controller includes a cycle counter, which is used to collect the number of times the adsorption device is charged and discharged.

8. The adsorbent life detection system of claim 1, wherein, The booster device contains a liquid gas contact medium. The gas entering the booster device can come into contact with the gas contact medium, so that the gas exiting the booster device can carry the gas contact medium.