CN210522275U - Performance testing device for polyimide separation membrane - Google Patents
Performance testing device for polyimide separation membrane Download PDFInfo
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- CN210522275U CN210522275U CN201921493943.7U CN201921493943U CN210522275U CN 210522275 U CN210522275 U CN 210522275U CN 201921493943 U CN201921493943 U CN 201921493943U CN 210522275 U CN210522275 U CN 210522275U
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Abstract
The utility model relates to a performance test device of polyimide separation membrane, including quality of water allotment unit, quality of water allotment unit is including the distribution box, the distribution box respectively with first water pipe, the second water pipe links to each other, all be equipped with one-level flowmeter and one-level flow control valve on first water pipe and the second water pipe, the end of intaking of first water pipe and second water pipe links to each other with the former water pipe, former water pipe and outside raw water are linked together, be equipped with raw water filter on the second water pipe, be suitable for the impurity of filtering former aquatic, the distribution box is equipped with one-level conductivity detector, can detect the water quality status in the distribution box. The utility model discloses can allocate quality of water, make the impurity content of quality of water adjustable at any time to the water direction polyimide separation membrane after will allocating, the rivers pressure and the flow that get into the polyimide separation membrane also can regulation and control, can detect the filtering quality of polyimide separation membrane under different quality of water, different water pressure, different flows, convenient to use.
Description
Technical Field
The utility model relates to a performance test device of polyimide separation membrane.
Background
Polyimide separation membranes are useful for the separation of various gases, such as hydrogen/nitrogen, nitrogen/oxygen, carbon dioxide/nitrogen, or methane, and are capable of removing moisture from air hydrocarbon feed gases and alcohols; the polyimide ultrafiltration membrane can also be used as a pervaporation membrane and an ultrafiltration membrane, has a particularly important significance in the separation of organic gas and liquid due to the heat resistance and organic solvent resistance of polyimide, is basically applied to a water treatment system when being used as the ultrafiltration membrane, and is used as a high-precision filtration membrane for water filtration, and the polyimide separation membrane needs to be tested for the filtration performance in the experimental stage at the moment, so that no filtration performance test equipment specially used for the polyimide separation membrane exists in the market at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a performance testing device of polyimide separation membrane, its structural design is reasonable, can allocate water quality, make the impurity content of water quality adjustable at any time, and lead the water after allocating to the polyimide separation membrane, the rivers pressure and the flow that get into the polyimide separation membrane can also be regulated and controlled, can detect the filtration performance of polyimide separation membrane under different quality of water, different water pressure, different flow, convenient to use; and the water after the polyimide separation membrane filters can also flow back to water quality allotment end again, uses as the water purification that reduces quality of water impurity content, plays reuse's effect, has effectively handled the water purification problem after the polyimide separation membrane filters, and the problem that exists among the prior art has been solved to the going on smoothly of convenient experiment.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a performance test device for a polyimide separation membrane, comprising:
the water quality allocation unit comprises a water allocation tank, the water allocation tank is respectively connected with a first water pipe and a second water pipe, a primary flow meter and a primary flow regulating valve are respectively arranged on the first water pipe and the second water pipe, the water inlet ends of the first water pipe and the second water pipe are connected with a raw water pipe, the raw water pipe is communicated with external raw water, a raw water filter is arranged on the second water pipe and is suitable for filtering impurities in the raw water, and the water allocation tank is provided with a primary conductivity detector which can detect the water quality state in the water allocation tank;
the water supply system comprises a separation membrane filter, a water distribution tank, a water supply pump, a pipeline between the separation membrane filter and the water distribution tank, a secondary flow meter and a secondary flow regulating valve, wherein a filter element is arranged in the separation membrane filter, a polyimide separation membrane is arranged on the filter element, the water inlet end of the separation membrane filter is connected with the water distribution tank through a third water pipe, the third water pipe is provided with the water supply pump, the pipeline between the separation membrane filter and the water distribution tank is provided with the secondary flow meter and the secondary flow regulating valve, and the water supply pump and;
the water inlet end of the detection box is connected with the water outlet end of the separation membrane filter through a fourth water pipe, and the detection box is provided with a secondary conductivity detector and can detect the water quality state in the detection box.
Furthermore, a plurality of separation membrane filters are arranged, the water inlet end of each separation membrane filter is respectively connected with a flow regulating pipe, a plurality of flow regulating pipes are connected with the third water pipe, and the secondary flow regulating valve and the secondary flow meter are arranged on the flow regulating pipes; the detection boxes are provided with a plurality of detection boxes, the detection boxes are arranged in one-to-one correspondence with the separation membrane filters, and water flow filtered by each separation membrane filter enters the corresponding detection box.
Furthermore, a third-level flowmeter is arranged on the fourth water pipe, and the third-level flowmeter can detect the pressure and the flow of the water flow filtered by the separation membrane filter.
The water distribution box is characterized by further comprising a water return unit, wherein the water return unit comprises a water return pipe connected with the water outlet end of the detection box, the water return pipe is connected with the water distribution box, a water return pump is arranged on the water return pipe, and the detection boxes are connected with the water return pipe through a fifth water pipe respectively.
Furthermore, an electric valve is arranged on each fifth water pipe, and each detection box is provided with a liquid level meter.
Further, the liquid level meter is connected with a controller through a lead, and the controller is connected with the electric valve and the water return pump through leads respectively.
Further, the controller links to each other with one-level flowmeter, second grade flowmeter and tertiary flowmeter through the wire respectively, pressure and the flow signal transmission who corresponds interior rivers of pipeline extremely of one-level flowmeter, second grade flowmeter and tertiary flowmeter the controller, the controller links to each other through wire and one-level flow control valve, second grade flow control valve, working shaft, the controller makes the flow change of interior rivers of first water pipe and second water pipe through the state of adjusting one-level flow control valve to adjust the quality of water state in the water distribution case, the controller makes the flow and the pressure of the rivers that get into the separation membrane filter change through the state of adjusting second grade flow control valve, with the performance that detects the polyimide separation membrane.
Furthermore, the primary conductivity detector and the secondary conductivity detector are respectively connected with the controller through leads, so that the water quality states before and after the polyimide separation membrane can be respectively obtained.
Further, the raw water filter is a multimedia filter.
The utility model adopting the structure has the advantages that the structure design is reasonable, the water quality can be allocated, the impurity content of the water quality can be adjusted at any time, the allocated water is guided to the polyimide separation membrane, the pressure and the flow of the water flow entering the polyimide separation membrane can be adjusted and controlled, the filtering performance of the polyimide separation membrane under different water qualities, different water pressures and different flows can be detected, and the use is convenient; and the water after the polyimide separation membrane filters can also flow back to the water quality blending end again, and the water is used as the water purification that reduces quality of water impurity content, plays reuse's effect, has effectively handled the water purification problem after the polyimide separation membrane filters, makes things convenient for going on smoothly of experiment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an electrical schematic diagram of the controller of the present invention.
In the figure, 1, a separation membrane filter; 2. a detection box; 3. a water distribution tank; 4. a first water pipe; 5. a second water pipe; 6. a primary flow meter; 7. a primary flow regulating valve; 8. a raw water pipe; 9. a raw water filter; 10. a primary conductivity detector; 11. a filter element; 12. a third water pipe; 13. a water supply pump; 14. a secondary flow meter; 15. a secondary flow regulating valve; 16. a fourth water pipe; 17. a secondary conductivity detector; 18. a flow rate regulating tube; 19. a three-stage flow meter; 20. a water return pipe; 21. a water return pump; 22. a fifth water pipe; 23. an electrically operated valve; 24. a liquid level meter.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.
In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 application. In this specification, the schematic representations of the terms used above are not necessarily intended to 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.
As shown in fig. 1-2, a performance testing device for a polyimide separation membrane comprises a water quality allocation unit, a separation membrane filter 1 and a detection box 2, wherein the water quality allocation unit comprises a water allocation box 3, the water allocation box 3 is respectively connected with a first water pipe 4 and a second water pipe 5, a primary flow meter 6 and a primary flow regulating valve 7 are respectively arranged on the first water pipe 4 and the second water pipe 5, water inlet ends of the first water pipe 4 and the second water pipe 5 are connected with a raw water pipe 8, the raw water pipe 8 is communicated with external raw water, a raw water filter 9 is arranged on the second water pipe 5 and is suitable for filtering impurities in the raw water, and the water allocation box 3 is provided with a primary conductivity detector 10 and can detect the water quality state in the water allocation box 3; a filter element 11 is arranged in the separation membrane filter 1, a polyimide separation membrane is arranged on the filter element 11, the water inlet end of the separation membrane filter 1 is connected with the water distribution tank 3 through a third water pipe 12, a water supply pump 13 is arranged on the third water pipe 12, a second-stage flow meter 14 and a second-stage flow regulating valve 15 are arranged on a pipeline between the separation membrane filter 1 and the water distribution tank 3, and the water supply pump 13 and the second-stage flow regulating valve 15 can regulate the pressure and the flow of water flow entering the separation membrane filter 1; the water inlet end of the detection box 2 is connected with the water outlet end of the separation membrane filter 1 through a fourth water pipe 16, and the detection box 2 is provided with a secondary conductivity detector 17 which can detect the water quality state in the detection box 2. When the device is used, water quality can be allocated in the water distribution tank 3, raw water with high impurity content is directly led in through the first water pipe 4, the raw water is filtered and purified through the raw water filter 9 and then led into the water distribution tank 3 through the second water pipe 5, the impurity content of water quality in the water distribution tank 3 is adjusted through the difference of the flow rates of the first water pipe 4 and the second water pipe 5, the impurity content of the water quality can be adjusted at any time, the allocated water is led to the polyimide separation membrane, the pressure and the flow rate of water flowing into the polyimide separation membrane can also be adjusted and controlled, the water quality before being filtered is detected through the primary conductivity detector 10, the filtered water quality is detected through the secondary conductivity detector 17, the performance condition of the polyimide separation membrane can be obtained through the comparative analysis of front and back water quality data, and the pressure and the flow rate of the water flowing into the polyimide separation membrane are adjusted through the secondary flow meter 14 and the, the filtering performance of the polyimide separation membrane under different water qualities, different water pressures and different flow rates can be detected.
In a preferred embodiment, a plurality of separation membrane filters 1 are provided, the water inlet end of each separation membrane filter 1 is respectively connected with a flow regulating pipe 18, a plurality of flow regulating pipes 18 are connected with a third water pipe 12, and a secondary flow regulating valve 15 and a secondary flow meter 14 are arranged on the flow regulating pipes 18; the detection boxes 2 are provided with a plurality of detection boxes, and are arranged in one-to-one correspondence with the separation membrane filters 1, so that water flow filtered by each separation membrane filter 1 enters the corresponding detection box 2. In order to improve the efficiency of capability test, through setting up a plurality of separation membrane filters, can test a plurality of polyimide separation membranes simultaneously, save test time, can control respectively the regulation to every polyimide separation membrane's rivers pressure and flow, convenient to use, a plurality of polyimide separation membranes carry on simultaneously also can regard as the contrast test to go on, are favorable to the record and the contrastive analysis of experimental data.
In a preferred embodiment, a third-stage flow meter 19 is disposed on the fourth water pipe 16, and the third-stage flow meter 19 can detect the pressure and flow rate of the water flow filtered by the separation membrane filter 1. The pressure and the flow rate of the water flow filtered by the polyimide separation membrane can be obtained through the three-stage flowmeter 19, if the data fed back by the three-stage flowmeter 19 far exceed a normal value, the polyimide separation membrane is damaged, if the data fed back are far smaller than the normal value, the polyimide separation membrane is blocked, and the durability and the reliability of the polyimide separation membrane can be obtained through comparison.
In a preferred embodiment, the device further comprises a water return unit, the water return unit comprises a water return pipe 20 connected with the water outlet end of the detection box 2, the water return pipe 20 is connected with the water distribution box 3, a water return pump 21 is arranged on the water return pipe 20, and the detection boxes 2 are respectively connected with the water return pipe 20 through a fifth water pipe 22. During the use, the water after the polyimide separation membrane filters can also flow back to quality of water allotment end again, uses as the water purification that reduces quality of water impurity content, plays reuse's effect, has effectively handled the water purification problem after the polyimide separation membrane filters, makes things convenient for going on smoothly of experiment.
In the preferred embodiment, electric valves 23 are respectively provided on the fifth water pipes 22, and each detection box 2 is provided with a liquid level meter 24. In this embodiment, the liquid level meter 24 can detect the water level in the detection box 2, and when the water level in the detection box 2 reaches a predetermined height, in order to avoid the continuous water production and fill the detection box 2, the water in the corresponding detection box 2 can be led out by opening the electric valve 23.
In the preferred embodiment, the liquid level meter 24 is connected to the controller via wires, and the controller is connected to the electric valve 23 and the water return pump 21 via wires. In this embodiment, the controller may be a PLC controller, and the PLC controller receives signals from the liquid level meter 24 and automatically controls the electric valve 23.
In a preferred embodiment, the controller is respectively connected with the first-stage flowmeter 6, the second-stage flowmeter 14 and the third-stage flowmeter 19 through leads, the first-stage flowmeter 6, the second-stage flowmeter 14 and the third-stage flowmeter 19 transmit pressure and flow signals of water flow in corresponding pipelines to the controller, the controller is connected with the first-stage flow regulating valve 7, the second-stage flow regulating valve 15 and the water supply pump 13 through leads, the controller enables the flow rate of the water flow in the first water pipe 4 and the second water pipe 5 to be changed by adjusting the state of the first-stage flow regulating valve 7 so as to adjust the water quality state in the water distribution tank 3, and the controller enables the flow rate and the pressure of the water flow entering the separation membrane filter 1 to be changed by adjusting the state of the second-stage flow regulating valve 15 so as to detect the.
In a preferred embodiment, the primary conductivity detector 10 and the secondary conductivity detector 17 are connected to a controller via wires, respectively, so as to obtain the water quality before and after the polyimide separation membrane.
In a preferred embodiment, the raw water filter 9 is provided as a multimedia filter.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (9)
1. A performance test device for a polyimide separation membrane is characterized by comprising:
the water quality allocation unit comprises a water allocation tank, the water allocation tank is respectively connected with a first water pipe and a second water pipe, a primary flow meter and a primary flow regulating valve are respectively arranged on the first water pipe and the second water pipe, the water inlet ends of the first water pipe and the second water pipe are connected with a raw water pipe, the raw water pipe is communicated with external raw water, a raw water filter is arranged on the second water pipe and is suitable for filtering impurities in the raw water, and the water allocation tank is provided with a primary conductivity detector which can detect the water quality state in the water allocation tank;
the water supply system comprises a separation membrane filter, a water distribution tank, a water supply pump, a pipeline between the separation membrane filter and the water distribution tank, a secondary flow meter and a secondary flow regulating valve, wherein a filter element is arranged in the separation membrane filter, a polyimide separation membrane is arranged on the filter element, the water inlet end of the separation membrane filter is connected with the water distribution tank through a third water pipe, the third water pipe is provided with the water supply pump, the pipeline between the separation membrane filter and the water distribution tank is provided with the secondary flow meter and the secondary flow regulating valve, and the water supply pump and;
the water inlet end of the detection box is connected with the water outlet end of the separation membrane filter through a fourth water pipe, and the detection box is provided with a secondary conductivity detector and can detect the water quality state in the detection box.
2. The performance testing device of the polyimide separation membrane according to claim 1, wherein a plurality of separation membrane filters are provided, a water inlet end of each separation membrane filter is connected with a flow regulating pipe, a plurality of flow regulating pipes are connected with the third water pipe, and the secondary flow regulating valve and the secondary flow meter are arranged on the flow regulating pipes; the detection boxes are provided with a plurality of detection boxes, the detection boxes are arranged in one-to-one correspondence with the separation membrane filters, and water flow filtered by each separation membrane filter enters the corresponding detection box.
3. The performance testing device of the polyimide separation membrane as claimed in claim 2, wherein a third-level flow meter is arranged on the fourth water pipe, and the third-level flow meter can detect the pressure and the flow of water after being filtered by the separation membrane filter.
4. The device for testing the performance of the polyimide separation membrane according to claim 3, further comprising a water return unit, wherein the water return unit comprises a water return pipe connected with the water outlet end of the detection box, the water return pipe is connected with the water distribution box, a water return pump is arranged on the water return pipe, and the detection boxes are respectively connected with the water return pipe through a fifth water pipe.
5. The polyimide separation membrane performance testing device of claim 4, wherein the fifth water pipes are respectively provided with an electric valve, and each detection box is provided with a liquid level meter.
6. The polyimide separation membrane performance testing device of claim 5, wherein the liquid level meter is connected with a controller through a lead, and the controller is respectively connected with the electric valve and the water return pump through leads.
7. The device for testing the performance of the polyimide separation membrane according to claim 6, wherein the controller is connected with the first-stage flowmeter, the second-stage flowmeter and the third-stage flowmeter through leads respectively, the first-stage flowmeter, the second-stage flowmeter and the third-stage flowmeter transmit pressure and flow signals of water flow in corresponding pipelines to the controller, the controller is connected with the first-stage flow regulating valve, the second-stage flow regulating valve and the water supply pump through leads, the controller enables the flow of the water flow in the first water pipe and the second water pipe to be changed by adjusting the state of the first-stage flow regulating valve so as to adjust the water quality state in the water distribution box, and the controller enables the flow and the pressure of the water flow entering the separation membrane filter to be changed by adjusting the state of the second-stage flow regulating valve so as to detect the performance of the polyimide separation membrane.
8. The device for testing the performance of the polyimide separation membrane according to claim 7, wherein the primary conductivity detector and the secondary conductivity detector are respectively connected with the controller through leads, so that the water quality before and after the polyimide separation membrane can be respectively obtained.
9. The polyimide separation membrane performance testing device according to claim 8, wherein the raw water filter is a multi-media filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921493943.7U CN210522275U (en) | 2019-09-09 | 2019-09-09 | Performance testing device for polyimide separation membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921493943.7U CN210522275U (en) | 2019-09-09 | 2019-09-09 | Performance testing device for polyimide separation membrane |
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| Publication Number | Publication Date |
|---|---|
| CN210522275U true CN210522275U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921493943.7U Expired - Fee Related CN210522275U (en) | 2019-09-09 | 2019-09-09 | Performance testing device for polyimide separation membrane |
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| CN (1) | CN210522275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808016A (en) * | 2021-01-06 | 2021-05-18 | 中国原子能科学研究院 | Membrane module testing device, membrane module testing system and membrane module testing method |
-
2019
- 2019-09-09 CN CN201921493943.7U patent/CN210522275U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808016A (en) * | 2021-01-06 | 2021-05-18 | 中国原子能科学研究院 | Membrane module testing device, membrane module testing system and membrane module testing method |
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Granted publication date: 20200515 Termination date: 20210909 |