A membrane module multipurpose detection device
Patent Information
- Application Number
- CN202522303291.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-30
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-10-30
AI Technical Summary
帘式膜组件和柱式膜组件除了需要通过两种设备进行清水通量的测试外，还需要对帘式膜组件中集水盒与浇铸盒之间的粘结强度进行测试，因此需要专业的设备进行耐压验证，而柱式膜组件还需要模拟在整个寿命运行周期内需要承受成千上万次阀门开启、关闭的过程，需要在极短时间中模拟柱式膜组件的寿命周期的耐压试验，对膜壳的影响程度及寿命验证，也得需要专业的设备进行验证，这样生产厂家需要配置多个测试设备对两种膜组件进行性能测试，从而造成设备的费用高和占用的空间大的问题
[0023]本实用新型提供了一种膜组件多用途检测装置，其有益效果在于：该检测装置中在第一水管上设置了自吸泵，当需要对膜组件进行不同性能检测时，可以通过自吸泵来提供压力，再通过不同阀门的开闭控制，就能实现对膜组件的检测，有效控制自吸泵的数量，简化了检测装置的结构。
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Figure CN224777786U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of water treatment membrane systems, and more specifically, relates to a multi-purpose testing device for membrane modules. Background Technology
[0002] The core of a membrane bioreactor is the membrane module. Due to different operating conditions, membrane modules come in two forms: internal pressure (curtain membrane modules) and external pressure (column membrane modules).
[0003] Internal pressure type membrane modules are directly immersed in the biological reaction tank, relying on negative pressure to directly extract purified water from the membrane modules. Therefore, the requirements for raw water quality are very low. However, due to the lower suction pressure, the design flux of the membrane modules is also relatively low, so the required total membrane area is larger. External pressure type membrane modules use pumps to deliver pre-treated water to the membrane modules for filtration. The requirements for feed water quality are higher. Generally, the pressure is higher, so the power consumption is also higher, but the required total membrane area is less than that of submerged membrane modules.
[0004] Both internal pressure (curtain membrane modules) and external pressure (column membrane modules) membrane modules require pure water flux tests after production to verify their actual performance. Due to their different usage methods, different testing equipment is needed to simulate membrane module performance under actual operating conditions. In addition to testing the clean water flux using different equipment, curtain membrane modules also require testing the bonding strength between the water collection box and the casting box in the curtain membrane module. Therefore, specialized equipment is needed for pressure resistance verification. The column membrane module, on the other hand, needs to simulate the thousands of valve opening and closing cycles throughout its entire operating life. This requires simulating the pressure resistance test of the column membrane module's lifespan in a very short time, verifying the impact on the membrane shell and its lifespan. This also requires specialized equipment. Thus, manufacturers need to configure multiple testing devices to perform performance tests on both types of membrane modules, resulting in high equipment costs and large space requirements. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing a multi-purpose testing device for membrane modules. This device is equipped with multiple water pipes, allowing water to be introduced into different pipes to perform pressure testing on curtain membrane modules or column membrane modules in a second water tank. In this way, a single testing device can test the bonding strength between the casting box and the water collection box of the curtain membrane module, the water production flux of the curtain membrane module, the membrane shell bonding strength of the column membrane module, and the water production flux of the column membrane module. This reduces the number of testing devices required by manufacturers and effectively controls production costs.
[0006] To achieve the above objectives, this utility model provides a multi-purpose testing device for membrane modules, comprising:
[0007] The first water tank has a water outlet at the bottom, and the water outlet is connected to the second water tank through a first water pipe. The first water pipe is located at one end of the second water tank and is used to connect to the glued casting box water collection box assembly.
[0008] A self-priming pump is installed on the first water pipe;
[0009] The second water pipe has one end connected to the outlet of the self-priming pump and the other end connected to the second water tank.
[0010] The third water pipe has one end installed in the second water tank and the other end connected to the inlet of the self-priming pump. One end of the third water pipe is used to connect to the curtain membrane module to be tested.
[0011] The fourth water pipe is connected at one end to the outlet of the self-priming pump and at the other end to the inlet of the column membrane module to be tested.
[0012] The fifth water pipe has one end connected to the outlet of the column membrane module to be tested, and the other end connected to the inlet of the first water tank.
[0013] The sixth water pipe is connected at one end to the outlet of the column membrane module to be tested, and at the other end to the inlet of the first water tank.
[0014] Preferably, the first water pipe is also provided with an inlet valve and a curtain-type booster valve, which are respectively located at the front and rear ends of the self-priming pump.
[0015] Preferably, the first water pipe is further provided with a first pressure transmitter and a first mechanical pressure gauge.
[0016] Preferably, the second water pipe is equipped with a curtain-type drain valve and a first flow meter.
[0017] Preferably, the third water pipe is equipped with a curtain-type water production valve, a second pressure transmitter, and a second mechanical pressure gauge.
[0018] Preferably, the fourth water pipe is equipped with a column-type pressure boosting valve, a third pressure transmitter, and a third mechanical pressure gauge.
[0019] Preferably, a column-type concentrate valve is installed on the fifth water pipe.
[0020] Preferably, the sixth water pipe is equipped with a column-type water production valve and a second flow meter.
[0021] Preferably, the sixth water pipe is equipped with a fourth pressure transmitter and a fourth mechanical pressure gauge.
[0022] Preferably, the device also includes a touchscreen, which is connected to the self-priming pump control.
[0023] This utility model provides a multi-purpose testing device for membrane modules, which has the following advantages: a self-priming pump is installed on the first water pipe in the testing device. When different performance tests of the membrane module are required, the pressure can be provided by the self-priming pump. By controlling the opening and closing of different valves, the testing of the membrane module can be realized. The number of self-priming pumps can be effectively controlled, and the structure of the testing device can be simplified.
[0024] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description
[0025] The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings, in which like reference numerals generally represent like parts.
[0026] Figure 1 A schematic diagram of a multi-purpose testing device for membrane modules according to an embodiment of the present invention is shown.
[0027] Figure 2 The diagram shows the structural distribution of the components involved in testing the bonding strength of the casting box and water collection box assembly according to an embodiment of the present invention.
[0028] Figure 3 The diagram shows the structural distribution of the components involved when the permeate flux of a curtain membrane module is detected according to an embodiment of the present invention.
[0029] Figure 4 This diagram illustrates the structural distribution of components involved in testing the membrane shell bonding life of a columnar membrane module according to an embodiment of the present invention.
[0030] Figure 5 This diagram illustrates the structural distribution of the components involved when detecting the flux generated by a columnar membrane module according to an embodiment of the present invention.
[0031] Explanation of reference numerals in the attached figures:
[0032] 1. First water tank; 2. Second water tank; 3. Self-priming pump; 4. Casting box and water collection box assembly; 5. Curtain membrane module to be tested; 6. Column membrane module to be tested; 7. Inlet valve; 8. Curtain drain valve; 9. Curtain product water valve; 10. Curtain booster valve; 11. First water pipe; 12. Second water pipe; 13. Third water pipe; 14. Fourth water pipe; 15. Fifth water pipe; 16. Sixth water pipe; 17. Column booster valve; 18. Column product water valve; 19. First flow meter; 20. Second flow meter; 21. First pressure transmitter; 22. First mechanical pressure gauge; 23. Second pressure transmitter; 24. Second mechanical pressure gauge; 25. Third pressure transmitter; 26. Third mechanical pressure gauge; 27. Fourth pressure transmitter; 28. Fourth mechanical pressure gauge; 29. Column concentrate valve. Detailed Implementation
[0033] Preferred embodiments of the present invention will now be described in more detail. While preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.
[0034] like Figure 1 As shown, this utility model provides a multi-purpose testing device for membrane modules, comprising:
[0035] The first water tank 1 has a water outlet at the bottom, which is connected to the second water tank 2 via a first water pipe 11. The first water pipe 11 is located at one end of the second water tank 2 and is used to connect to the glued casting box water collection box assembly 4.
[0036] Self-priming pump 3 is installed on the first water pipe 11;
[0037] The second water pipe 12 is connected at one end to the outlet of the self-priming pump 3 and at the other end to the second water tank 2.
[0038] The third water pipe 13 has one end installed in the second water tank 2, and the other end of the third water pipe 13 is connected to the inlet of the self-priming pump 3. One end of the third water pipe 13 is used to connect to the curtain membrane module 5 to be tested.
[0039] The fourth water pipe 14 is connected at one end to the outlet of the self-priming pump 3 and at the other end to the inlet of the column membrane module 6 to be tested.
[0040] The fifth water pipe 15 is connected at one end to the outlet of the column membrane module 6 to be tested, and at the other end to the inlet of the first water tank 1.
[0041] The sixth water pipe 16 is connected at one end to the outlet of the column membrane module 6 to be tested, and at the other end to the inlet of the first water tank 1.
[0042] Specifically, the testing device includes a first water tank 1 and a second water tank 2. The first water tank 1 provides pressurized water, and the second water tank 2 holds the curtain membrane assembly for testing. A first water pipe 11 connects the first water tank 1 and the second water tank 2. One end of the first water pipe 11 in the second water tank 2 is connected to the bonded casting box water collection box assembly 4. When the bonding strength of the curtain membrane assembly needs to be tested, a self-priming pump 3 applies pressurized water to the assembly, and after stabilizing the pressure for a period of time, the bonding condition of the assembly is confirmed. A second water pipe 12 is located behind the outlet of the self-priming pump 3, and the second water pipe 12 discharges the water pumped by the self-priming pump 3 into the second water tank 2. The water in the second water tank 2 then... After filtration by the curtain membrane module, the clean water is returned to the self-priming pump 3 through the third water pipe 13. In this way, the self-priming pump 3 continuously pumps water into the second water tank 2, which allows the detection of the actual water production of the curtain membrane module. In addition to pumping water into the second water tank 2, the self-priming pump 3 can also pump water into the column membrane module 6 under test through the fourth water pipe 14. After filtration by the column membrane module, the water flows back to the first water tank 1 through the fifth water pipe 15. The self-priming pump 3 repeatedly pressurizes and depressurizes the column membrane module with water, thereby verifying the membrane shell adhesion life. In addition to the fifth water pipe 15, a sixth water pipe 16 is also set between the column membrane module 6 under test and the first water tank 1. When the self-priming pump 3 introduces water into the column membrane module at constant pressure, the actual water production of the column membrane module is detected.
[0043] like Figure 2 As shown, the first water pipe 11 is also equipped with an inlet valve 7 and a curtain-type booster valve 10, which are respectively located at the front and rear ends of the self-priming pump 3.
[0044] Preferably, the first water pipe 11 is further provided with a first pressure transmitter 21 and a first mechanical pressure gauge 22.
[0045] Specifically, when testing the bonding strength of the casting box and water collection box assembly 4, a curtain-type pressure boosting valve 10 is installed at the outlet of the self-priming pump 3 on the first water pipe 11. This allows for pressure stabilization control of the assembly as needed, ensuring that the assembly is always maintained at a certain pressure for a specified period of time, thus accurately detecting the bonding strength of the assembly. A first pressure transmitter 21 and a first mechanical pressure gauge 22 are installed on the first water pipe 11 at the rear of the curtain-type pressure boosting valve 10, which allows for quick confirmation of the pressure applied to the assembly and improves the testing accuracy.
[0046] like Figure 3 As shown, a curtain-type drain valve 8 and a first flow meter 19 are installed on the second water pipe 12.
[0047] Preferably, the third water pipe 13 is equipped with a curtain-type water production valve 9, a second pressure transmitter 23, and a second mechanical pressure gauge 24.
[0048] Specifically, when detecting the water flow rate of the curtain membrane module, a curtain drain valve 8 and a curtain product water valve 9 are respectively installed on the two water pipes at the inlet and outlet ends of the curtain membrane module. A first flow meter 19 is also installed on the second water pipe 12 to accurately detect the amount of water passing through the curtain membrane module. A second pressure transmitter 23 and a second mechanical pressure gauge 24 are also installed on the third water pipe 13 to quickly confirm the pressure applied to the curtain membrane module. In this way, by continuously feeding water into the curtain membrane module at constant pressure, the water production of the membrane module can be accurately measured.
[0049] like Figure 4 As shown, the fourth water pipe 14 is equipped with a column-type booster valve 17, a third pressure transmitter 25, and a third mechanical pressure gauge 26.
[0050] Preferably, a column-type concentrate valve 29 is installed on the fifth water pipe 15.
[0051] Specifically, in addition to testing curtain membrane modules, the device can also test column membrane modules. The outlet of the self-priming pump 3 is connected to the column membrane module through the fourth water pipe 14. The column membrane module then discharges water back to the first water tank 1 through the fifth water pipe 15. A column pressure boosting valve 17 is installed on the fourth water pipe 14. After the self-priming pump 3 pumps water into the column membrane module, the pressure can be maintained within a certain range through the column pressure boosting valve 17, thus continuously pressurizing the column membrane module. In addition, a third pressure transmitter 25 and a third mechanical pressure gauge 26 are also installed on the fourth water pipe 14, which can quickly confirm the pressure applied to the column membrane module.
[0052] like Figure 5 As shown, a column-type water production valve 18 and a second flow meter 20 are installed on the sixth water pipe 16.
[0053] Preferably, a fourth pressure transmitter 27 and a fourth mechanical pressure gauge 28 are installed on the sixth water pipe 16.
[0054] Specifically, the device also has a sixth water pipe 16 between the column membrane module and the first water tank 1. A second flow meter 20, a fourth pressure transmitter 27 and a fourth mechanical pressure gauge 28 are installed on the sixth water pipe 16. The water flow of the column membrane module can be detected by cooperating with the column water production valve 18.
[0055] Preferably, it also includes a touch screen, which is connected to the self-priming pump 3 for control.
[0056] Specifically, the device can input the pressure value of the membrane module on the touch screen according to the product needs. The touch screen will send a signal to the self-priming pump 3, so that the self-priming pump 3 can pressurize the water and finally apply pressure to the membrane module through the water. Controlling the self-priming pump 3 through the touch screen is prior art and is not the focus of this application.
[0057] In summary, this device can perform four modes of testing on membrane modules, which can be switched and controlled via a PLC program to control different valves and instruments in the device, ultimately achieving different testing methods.
[0058] When using this device to test the bonding strength of the casting box and water collection box of the curtain membrane module, the following method is used: Figure 2 The specific operating method for the components shown is as follows: Switch the inlet valve 7, self-priming pump 3, curtain-type booster valve 10, first pressure transmitter 21, and first mechanical pressure gauge 22 to the working state via the touchscreen. Input the set pressure of 0.4 MPa on the touchscreen (this pressure value is approximately 10 times higher than the actual operating pressure). Click the start button, and the equipment will automatically conduct the test. At this time, the inlet valve 7 and curtain-type booster valve 10 are open, and the self-priming pump 3 starts pressurizing. When the first pressure transmitter 21 detects that the pressure has reached the set pressure of 0.4 MPa, the self-priming pump 3 will stop running. When the pressure is lower than 0.38 MPa, the self-priming pump 3 will automatically open again, thereby increasing the pressure to 0.4 MPa. After stabilizing the pressure of the casting box and water collection box assembly 4 for 48 hours, the test ends. Finally, check whether the assembly has experienced any glue separation or leakage.
[0059] When using this device to detect the permeate flux of a curtain membrane module, the following method is employed: Figure 3 The specific operating method for the components shown is as follows: The touchscreen switches the curtain drain valve 8, self-priming pump 3, curtain permeate valve 9, first flow meter 19, second pressure transmitter 23, and second mechanical pressure gauge 24 into working mode. Input the set pressure of -0.02 MPa (this pressure value is an industry standard) on the touchscreen. Click the start button, and the equipment will automatically perform the test. At this time, the curtain permeate valve 9 and curtain drain valve 8 are open, the self-priming pump 3 starts, and the second pressure transmitter 23 identifies when the pressure reaches the set pressure of -0.02 MPa. The frequency converter automatically controls the operating frequency of the self-priming pump 3 to achieve constant pressure water intake to the curtain membrane module. The actual permeate flow rate is measured by the first flow meter 19, and the data is recorded to obtain the permeate flow rate of the curtain membrane module.
[0060] When using this device to test the membrane shell adhesion life of a columnar membrane module, the following method is employed: Figure 4The specific operating method for the components shown is as follows: Switch the touchscreen to activate the inlet valve 7, self-priming pump 3, column booster valve 17, column concentrate valve 29, third pressure transmitter 25, and third mechanical pressure gauge 26. Input the set pressure of 0.3 MPa (approximately 10 times higher than the actual operating pressure) on the touchscreen, and input the pressurization count of 90,000 times (basically consistent with the number of inlet cycles during the column membrane's lifespan). Click the start button, and the equipment will automatically begin the test, with inlet valve 7 opening and column booster valve 17 closing. When the pressure reaches the set pressure of 0.3 MPa, the self-priming pump 3 is started. When the pressure reaches the set pressure of 0.3 MPa, the column pressure boosting valve 17 opens to release pressure. After opening for 2 seconds, the column pressure boosting valve 17 is closed again. When the pressure reaches 0.3 MPa again, the column pressure boosting valve 17 releases pressure again. By repeatedly pressurizing and releasing pressure, the pressure change experienced by the column membrane module when the valve is opened and closed is simulated, thereby detecting the membrane shell adhesion life. When the set number of times is reached, the equipment is stopped, and the adhesion of the column membrane module is finally observed.
[0061] When using this device to detect the permeate flux of a column membrane module, the following method is employed: Figure 5 The specific operating method for the components shown is as follows: The touchscreen switches the inlet valve 7, self-priming pump 3, column-type booster valve 17, third pressure transmitter 25, third mechanical pressure gauge 26, fourth pressure transmitter 27, fourth mechanical pressure gauge 28, second flow meter 20, and column-type product water valve 18 into working mode. Input the set pressure of 0.1 MPa (this pressure value is the industry standard) on the touchscreen. Click the start button, and the equipment automatically performs the test. The inlet valve 7 and column-type booster valve 17 open, the self-priming pump 3 starts, and the fourth pressure transmitter 27 identifies when the pressure reaches the set pressure of 0.1 MPa. The frequency converter automatically controls the operating frequency of the self-priming pump 3 to achieve constant pressure water intake to the column membrane module. The actual product water volume is measured by the second flow meter 20, and the data is recorded to obtain the product water volume of the column membrane module.
[0062] The various embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.
Claims
1. A multi-purpose testing device for membrane modules, characterized in that, include: The first water tank has a water outlet at the bottom, and the water outlet is connected to the second water tank through a first water pipe. The first water pipe is located at one end of the second water tank and is used to connect to the glued casting box water collection box assembly. A self-priming pump is installed on the first water pipe; The second water pipe has one end connected to the outlet of the self-priming pump and the other end connected to the second water tank. The third water pipe has one end installed in the second water tank and the other end connected to the inlet of the self-priming pump. One end of the third water pipe is used to connect to the curtain membrane module to be tested. The fourth water pipe is connected at one end to the outlet of the self-priming pump and at the other end to the inlet of the column membrane module to be tested. The fifth water pipe has one end connected to the outlet of the column membrane module to be tested, and the other end connected to the inlet of the first water tank. The sixth water pipe is connected at one end to the outlet of the column membrane module to be tested, and at the other end to the inlet of the first water tank.
2. The multi-purpose testing device for membrane modules according to claim 1, characterized in that, The first water pipe is also equipped with an inlet valve and a curtain-type booster valve, which are respectively located at the front and rear ends of the self-priming pump.
3. The multi-purpose testing device for membrane modules according to claim 2, characterized in that, The first water pipe is also equipped with a first pressure transmitter and a first mechanical pressure gauge.
4. The multi-purpose testing device for membrane modules according to claim 1, characterized in that, The second water pipe is equipped with a curtain-type drain valve and a first flow meter.
5. The multi-purpose testing device for membrane modules according to claim 1, characterized in that, The third water pipe is equipped with a curtain-type water production valve, a second pressure transmitter, and a second mechanical pressure gauge.
6. The multi-purpose testing device for membrane modules according to claim 1, characterized in that, The fourth water pipe is equipped with a column-type booster valve, a third pressure transmitter, and a third mechanical pressure gauge.
7. The multi-purpose testing device for membrane modules according to claim 1, characterized in that, A column-type concentrate valve is installed on the fifth water pipe.
8. The multi-purpose testing device for membrane modules according to claim 1, characterized in that, The sixth water pipe is equipped with a column-type water production valve and a second flow meter.
9. The multi-purpose testing device for membrane modules according to claim 1, characterized in that, The sixth water pipe is equipped with a fourth pressure transmitter and a fourth mechanical pressure gauge.
10. The multi-purpose testing device for membrane modules according to claim 1, characterized in that, It also includes a touch screen, which is connected to the self-priming pump control.