Replacement electrodialysis membrane stack
By introducing a purification chamber and a vibrating motor-driven filter cartridge into the replacement electrodialysis membrane stack, the problem of impurities contaminating the ion exchange membrane is solved, achieving effective filtration and self-cleaning functions, extending the membrane's service life and reducing maintenance costs.
Patent Information
- Application Number
- CN202520446070.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Existing displacement electrodialysis membrane stacks lack filtration protection functions, making it easy for impurities in the water to be treated to contaminate the ion exchange membranes and shorten their service life.
A water treatment mechanism including a purification chamber, a filter cartridge, and a vibration motor was designed. The filter cartridge filters the water to be treated, and the vibration motor drives the filter cartridge to vibrate to achieve self-cleaning and prevent impurities from contaminating the ion exchange membrane.
It effectively filters impurities, extends the service life of ion exchange membranes, and reduces the complexity of maintenance and water waste through its self-cleaning function.
Smart Images

Figure CN223906609U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electrodialysis assembly, concretely relates to a replacement electrodialysis membrane stack. BACKGROUND
[0002] Replacement electrodialysis is a clean and sustainable development technology. In the replacement electrodialysis membrane stack, the cation and anion exchange membranes are alternately arranged to form two liquid chambers and two product chambers. The cations and anions in the two liquid chambers move to the product chambers under the action of an electric field, forming two new salts. Replacement electrodialysis is commonly used in wastewater concentration and desalination, production of ionic liquids, conversion of a small amount of soluble salt into a soluble solution, and production of inorganic salt fertilizer. It has the effects of concentration and desalination and metathesis reaction. Compared with reverse osmosis, the operation cost of replacement electrodialysis is lower, and the concentration of concentrated brine can be more than 3 times that of reverse osmosis. It also has the advantages of high current efficiency and high purity.
[0003] The existing replacement electrodialysis membrane stack does not have a filtering protection function. If the water to be treated contains impurities, the impurities can easily contaminate the ion exchange membrane, affecting the performance of the ion exchange membrane and reducing the service life of the ion exchange membrane. UTILITY MODEL CONTENT
[0004] The utility model aims to provide a replacement electrodialysis membrane stack to solve the problems raised in the background.
[0005] To solve the above technical problems, the utility model adopts the following technical scheme:
[0006] A replacement electrodialysis membrane stack comprises a replacement electrodialysis membrane stack main body, a support table fixedly installed at the bottom of the replacement electrodialysis membrane stack main body, a water treatment mechanism arranged on the front surface of the support table, a purification bin, a square plate fixedly installed on the inner wall of the purification bin, a rubber ring fixedly connected to the left side of the square plate, a filter cartridge fixedly connected to the left side of the rubber ring, an extension seat fixedly installed at the left side of the filter cartridge, a protruding shaft fixedly installed at the top of the extension seat, a circular hole formed at the top of the purification bin, a rubber sleeve fixedly connected to the outer wall of the protruding shaft, the outer wall of the rubber sleeve movably connected to the inner wall of the circular hole, a receiving table fixedly installed at the top of the protruding shaft and extending into the top of the purification bin, and a vibration motor fixedly installed at the top of the receiving table.
[0007] Preferably, an elastic piece is fixedly installed at the bottom of the extension seat, and a support leg piece is fixedly connected to the bottom of the elastic piece and fixedly installed at the bottom of the inner wall of the purification bin.
[0008] Preferably, an internal thread hole is formed at the bottom of the purification bin, and a threaded cover is threadedly connected to the bottom of the internal thread hole.
[0009] Preferably, the left side of the purification bin is fixedly connected with a first electromagnetic valve, the right side of the purification bin is fixedly connected with a second electromagnetic valve, and the right side of the second electromagnetic valve is fixedly connected with a flange pipeline.
[0010] Preferably, the water body treatment mechanism further comprises a protruding block, the protruding block is fixedly installed on the front face of the support table, the front face of the protruding block is rotationally connected with a connecting rod, and the front face of the connecting rod is fixedly connected with the back face of the purification bin.
[0011] Preferably, the front face of the protruding block is fixedly installed with a protruding sleeve, the outer wall of the protruding sleeve is threadedly connected with a bolt, and the threaded end of the bolt is movably connected with the outer wall of the connecting rod.
[0012] Preferably, the top of the support table is fixedly installed with a double-layer support frame, the inner wall of the double-layer support frame is fixedly installed with an inlet pipeline, the inner wall of the double-layer support frame is fixedly installed with an outlet pipeline above the inlet pipeline, and the input end and the output end of the displacement electrodialysis membrane stack body are fixedly connected with the side faces of the inlet pipeline and the outlet pipeline respectively.
[0013] Preferably, the front face of the inlet pipeline is fixedly connected with a connecting hose, and the end, away from the inlet pipeline, of the connecting hose is fixedly connected with the left side of the first electromagnetic valve.
[0014] Thanks to the above technical scheme, the present application has the following technical progress compared with the prior art:
[0015] The present application provides a displacement electrodialysis membrane stack, and aims at solving the problem that the ion exchange membrane is easily polluted when the existing electrodialysis membrane stack is used. The cooperation of the square plate and the rubber ring can make the water body to be treated flow through the inner cavity of the filter cartridge, the filter cartridge can filter and treat the water body to be treated, the problem that the impurities easily pollute the ion exchange membrane is avoided, the service life of the ion exchange membrane is prolonged, and the filter cartridge can be driven to vibrate by the transmission of the receiving table, the protruding shaft and the extension seat, so that the self-cleaning work is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the present application;
[0017] Figure 2 It is a structure A enlarged view in Figure 1
[0018] Figure 3 It is a structure schematic view of the purification bin of the present application;
[0019] Figure 4 It is a cutaway structure schematic view of the purification bin of the present application;
[0020] Figure 5 The structure diagram of the protruding block and the connecting rod of the utility model.
[0021] In the figure: 1, displacement electrodialysis membrane stack main body; 11, support table; 12, double-layer support frame; 13, water inlet pipeline; 14, water outlet pipeline; 15, connecting hose; 2, water body treatment mechanism; 21, purification bin; 211, internal thread hole; 212, threaded cover; 213, square plate; 214, filter cartridge; 215, extension seat; 216, elastic member; 217, support foot member; 218, protruding shaft; 219, rubber sleeve; 2191, receiving table; 2192, vibration motor; 22, No. 1 electromagnetic valve; 23, No. 2 electromagnetic valve; 24, flange pipeline; 25, connecting rod; 251, protruding block; 252, protruding sleeve; 253, bolt member. DETAILED DESCRIPTION
[0022] The utility model will be further explained in detail in combination with examples:
[0023] As Figures 1-5 shown, the utility model provides a kind of displacement electrodialysis membrane stack, including displacement electrodialysis membrane stack main body 1, displacement electrodialysis membrane stack main body 1 bottom fixed installation has support table 11, the front of support table 11 is provided with water body treatment mechanism 2, water body treatment mechanism 2 includes purification bin 21, and the inner wall of purification bin 21 is fixedly installed with square plate 213, and the left side of square plate 213 is fixedly connected with rubber ring, and the left side of rubber ring is fixedly connected with filter cartridge 214, and the left side of filter cartridge 214 is fixedly installed with extension seat 215, and the top of extension seat 215 is fixedly installed with protruding shaft 218, and the top of protruding shaft 218 extends to the top of purification bin 21 and is fixedly installed with receiving table 2191, and the top of receiving table 2191 is fixedly installed with vibration motor 2192, and the water body to be handled will pass through the inner cavity of purification bin 21, and by the cooperation of square plate 213 and rubber ring, the water body to be handled can flow in filter cartridge 214, and the filtration treatment of the water body to be handled is completed by filter cartridge 214, to avoid the problem that impurity can easily cause ion exchange membrane to be easily contaminated, prolong the service life of ion exchange membrane, control vibration motor 2192 work, can be driven filter cartridge 214 by transmission of receiving table 2191, protruding shaft 218 and extension seat 215 and vibrate, to facilitate the realization of self-cleaning work.
[0024] Further, as Figure 4As shown, the bottom of the extension seat 215 is fixedly installed with an elastic member 216, the bottom of the elastic member 216 is fixedly connected with a supporting foot member 217, the supporting foot member 217 is fixedly installed on the bottom of the inner wall of the purification bin 21, the bottom of the purification bin 21 is provided with an internally threaded hole 211, the bottom of the internally threaded hole 211 is threadedly connected with a threaded cover 212, the left side of the purification bin 21 is fixedly connected with a first electromagnetic valve 22, the right side of the purification bin 21 is fixedly connected with a second electromagnetic valve 23, the right side of the second electromagnetic valve 23 is fixedly connected with a flange pipe 24, the threaded cover 212 is rotated out of the bottom of the internally threaded hole 211, so as to facilitate the cleaning treatment of the impurities shaken out in the inner cavity of the filter cartridge 214, through the design of the rubber ring and the rubber sleeve 219, the filter cartridge 214 is elastically connected in the inner cavity of the purification bin 21 as a whole, through the design of the elastic member 216, the extension seat 215 and the filter cartridge 214 are elastically connected on the bottom of the inner wall of the purification bin 21, so as to facilitate the vibration motor 2192 to drive the filter cartridge 214 to vibrate efficiently, and facilitate the self-cleaning work.
[0025] Further, as shown in the drawings, Figure 4 As shown, the water body treatment mechanism 2 further comprises a protruding block 251 fixedly installed on the front face of the support table 11, a connecting rod 25 rotatably connected to the front face of the protruding block 251, the front face of the connecting rod 25 fixedly connected with the back face of the purification bin 21, a protruding sleeve 252 fixedly installed on the front face of the protruding block 251, a bolt member 253 threadedly connected to the outer wall of the protruding sleeve 252, the threaded end of the bolt member 253 movably connected with the outer wall of the connecting rod 25, a double-layer support frame 12 fixedly installed on the top of the support table 11, a water inlet pipe 13 fixedly installed on the inner wall of the double-layer support frame 12, a water outlet pipe 14 fixedly installed on the inner wall of the double-layer support frame 12 above the water inlet pipe 13, the input end and the output pipe of the displacement electrodialysis membrane stack body 1 fixedly connected with the side faces of the water inlet pipe 13 and the water outlet pipe 14 respectively, a connecting hose 15 fixedly connected with the left side of the first electromagnetic valve 22 at the end away from the water inlet pipe 13, through the design of the first electromagnetic valve 22 and the second electromagnetic valve 23, the first electromagnetic valve 22 and the second electromagnetic valve 23 can be closed when the filter cartridge 214 is cleaned, reducing water waste, through the design of the protruding block 251 and the connecting rod 25 rotatably connected, the user can tilt and rotate the purification bin 21 as a whole, facilitating the cleaning work of the filter cartridge 214, tightening the bolt member 253 so that the end thereof is in abutment with the outer wall of the connecting rod 25, i.e. the position of the connecting rod 25 is fixed, the water in the purification bin 21 enters the displacement electrodialysis membrane stack body 1 through the connecting hose 15 and the water inlet pipe 13, and is discharged through the water outlet pipe 14 after being treated by the displacement electrodialysis membrane stack body 1.
[0026] The working principle of the displacement electrodialysis membrane stack will be described in detail below.
[0027] As Figures 1-5 shown, in use, the water to be treated is introduced through the flange pipe 24, the filtration of the water to be treated is completed by the filter cartridge 214, the water in the clean chamber 21 enters the displacement electrodialysis membrane stack body 1 through the connecting hose 15 and the water inlet pipe 13, is treated by the displacement electrodialysis membrane stack body 1, and is then discharged through the water outlet pipe 14, if the filter cartridge 214 needs to be cleaned, the first electromagnetic valve 22 and the second electromagnetic valve 23 are closed first, then the threaded cap 212 is unscrewed from the bottom of the internal threaded hole 211, the vibration motor 2192 is controlled to work to drive the filter cartridge 214 to vibrate, and the automatic cleaning function is realized.
[0028] It should be noted that in the description of the present disclosure, it is necessary to explain that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.
[0029] The above has made a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.
Claims
1. A displacement electrodialysis membrane stack, characterized by: Including displacement electrodialysis membrane stack body, the bottom of displacement electrodialysis membrane stack body is fixedly installed with support table, the front surface of support table is provided with water body processing mechanism; The water body processing mechanism includes a purification bin, a square plate is fixedly installed on the inner wall of the purification bin, a rubber ring is fixedly connected to the left side of the square plate, a filter cartridge is fixedly connected to the left side of the rubber ring, an extension seat is fixedly installed on the left side of the filter cartridge, a protruding shaft is fixedly installed on the top of the extension seat, a circular hole is formed in the top of the purification bin, a rubber sleeve is fixedly connected to the outer wall of the protruding shaft, the outer wall of the rubber sleeve is movably connected with the inner wall of the circular hole, the top of the protruding shaft extends to the top of the purification bin and is fixedly installed with a receiving table, and a vibration motor is fixedly installed on the top of the receiving table.
2. A replacement electrodialysis stack according to claim 1, characterized in that: The bottom of the extension seat is fixedly installed with an elastic member, the bottom of the elastic member is fixedly connected with a support leg member, and the support leg member is fixedly installed on the bottom of the inner wall of the purification bin.
3. A replacement electrodialysis stack according to claim 1, wherein: An internal thread hole is formed in the bottom of the purification bin, and a threaded cover is threadedly connected to the bottom of the internal thread hole.
4. A replacement electrodialysis stack according to claim 1, wherein: A first electromagnetic valve is fixedly connected to the left side of the purification bin, a second electromagnetic valve is fixedly connected to the right side of the purification bin, and a flange pipeline is fixedly connected to the right side of the second electromagnetic valve.
5. A replacement electrodialysis stack according to claim 1, wherein: The water body processing mechanism further includes a protruding block, the protruding block is fixedly installed on the front surface of the support table, a connecting rod is rotatably connected to the front surface of the protruding block, and the front surface of the connecting rod is fixedly connected with the back surface of the purification bin.
6. A replacement electrodialysis stack according to claim 5, wherein: A protruding sleeve is fixedly installed on the front surface of the protruding block, and a bolt member is threadedly connected to the outer wall of the protruding sleeve, and the threaded end of the bolt member is movably connected with the outer wall of the connecting rod.
7. A replacement electrodialysis stack according to claim 1, wherein: A double-layer support frame is fixedly installed on the top of the support table, a water inlet pipeline is fixedly installed on the inner wall of the double-layer support frame, and a water outlet pipeline is fixedly installed on the inner wall of the double-layer support frame and located above the water inlet pipeline, and the input end and the output end of the displacement electrodialysis membrane stack body are fixedly connected with the side surface of the water inlet pipeline and the water outlet pipeline respectively.
8. A replacement electrodialysis stack according to claim 7, wherein: A connecting hose is fixedly connected to the front surface of the water inlet pipeline, and one end of the connecting hose away from the water inlet pipeline is fixedly connected with the left side of the first electromagnetic valve.