CN212915186U

CN212915186U - Electrodialysis device with liquid leakage stopping structure

Info

Publication number: CN212915186U
Application number: CN202020523666.6U
Authority: CN
Inventors: 崔海英
Original assignee: Jining City Water Co ltd Luquan
Current assignee: Jining City Water Co ltd Luquan
Priority date: 2020-04-11
Filing date: 2020-04-11
Publication date: 2021-04-09
Anticipated expiration: 2030-04-11

Abstract

The utility model provides an electrodialysis device with end liquid leakage structure, which comprises a pressing plate, the base is installed to the clamp plate bottom, and the clamp plate inboard is connected with anion exchange membrane, cation exchange membrane is installed to one side of anion exchange membrane clamp plate dorsad, and is connected with the baffle between cation exchange membrane and the anion exchange membrane. The utility model discloses in, under the effect of leak protection mechanism, extrude ion exchange membrane through the clamp plate and connect, under the effect of running through of threaded rod, it is fixed to make the clamp plate drive ion exchange membrane, thereby make first thread piece and second thread piece compress tightly the clamp plate in both sides, for improving work efficiency, the device is provided with multiunit cation exchange membrane and anion exchange membrane, thereby pass through the extrusion of clamp plate, it is inseparable to the baffle connection to make the membrane, avoid the weeping, influence the work of electrodialysis, through such setting, can make cation exchange membrane, anion exchange membrane and baffle firm in connection, avoid the concentrate to run off and simple structure from the bypass, and convenient operation.

Description

Electrodialysis device with liquid leakage stopping structure

Technical Field

The utility model relates to an electrodialysis technical field especially relates to an electrodialysis device with end liquid leakage structure.

Background

Along with the gradual worsening of the water shortage problem in China, the underground water excess mining problem in northern areas is severe, industrial water is a water resource of China to be used by large households, the long-term planning of China needs to achieve the reuse rate of industrial wastewater of more than 80%, but the reuse rate is only about 50% at present, so that the reuse of the industrial wastewater in reclaimed water has a great growth space, and meanwhile, the environmental protection policy in China requires that the industries such as a thermal power plant, electroplating and coal chemical industry realize zero discharge of wastewater.

The existing electrodialysis device does not have a mechanism which can stop liquid leakage of the device and has a simple structure and convenient operation, does not have a mechanism for collecting the concentrated liquid of the electrodialysis device, and does not have a mechanism for adjusting the flow velocity of the partition plate.

Therefore, it is necessary to provide an electrodialysis apparatus having a liquid leakage stopping structure to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electrodialysis device with end liquid leakage structure has solved current electrodialysis device and has not possessed and to carry out end liquid leakage and simple structure convenient operation's mechanism to the device to do not possess the mechanism of collecting liquid to the electrodialysis device is concentrated, do not possess the problem of the mechanism of adjusting the velocity of flow to the baffle moreover.

For solving the technical problem, the utility model provides a pair of electrodialysis device with end liquid leakage structure, which comprises a pressing plate, the base is installed to the clamp plate bottom, and the clamp plate inboard is connected with anion exchange membrane, cation exchange membrane is installed to one side of anion exchange membrane clamp plate dorsad, and is connected with the baffle between cation exchange membrane and the anion exchange membrane, leak protection mechanism is installed in the clamp plate outside, leak protection mechanism is inside including the threaded rod, and threaded rod outer wall screw thread installs first thread block, first thread block opposite side is connected with the second thread block, water collection mechanism is installed at the baffle top, and baffle internal connection has speed adjusting mechanism.

Preferably, the first thread block and the second thread block are symmetrical about a central axis of the threaded rod, and a transverse axis of the threaded rod coincides with a transverse axis of the first thread block.

Preferably, the water collecting mechanism is internally provided with a polar water pipe, a raw water pipe is arranged at the top of the polar water pipe, the bottom of the raw water pipe is connected with a thin liquid pipe, and a thick water pipe is arranged on one side of the thin liquid pipe.

Preferably, the cross-sectional area of the polar water pipe coincides with the cross-sectional area of the raw water pipe.

Preferably, the speed regulating mechanism comprises a separation net inside, a communication hole is arranged outside the separation net, and a water flowing hole is connected to one side of the communication hole.

Preferably, the communication holes are symmetrical about the transverse axis of the separation net, and the communication holes and the water flowing holes are arranged in a staggered mode.

Compared with the prior art, the utility model provides a pair of electrodialysis device with end liquid leakage structure has following beneficial effect:

1. the utility model discloses in, under the effect of leak protection mechanism, extrude ion exchange membrane through the clamp plate and connect, under the effect of running through of threaded rod, it is fixed to make the clamp plate drive ion exchange membrane, thereby make first thread piece and second thread piece compress tightly the clamp plate in both sides, for improving work efficiency, the device is provided with multiunit cation exchange membrane and anion exchange membrane, thereby pass through the extrusion of clamp plate, it is inseparable to the baffle connection to make the membrane, avoid the weeping, influence the work of electrodialysis, through such setting, can make cation exchange membrane, anion exchange membrane and baffle firm in connection, avoid the concentrate to run off from the bypass and simple structure, high operation convenience, the sexual valence relative altitude.

2. The utility model discloses in, under the effect of water-collecting mechanism, the raw water passes through the raw water pipe and gets into the cavity, make the anion in the raw water, the cation can remove to opposite direction's electrode respectively under DC electric field's effect, because ion exchange membrane has the selective permeability, make cation exchange membrane only allow the cation freely to pass through, anion exchange membrane only allows the anion to pass through, in the middle compartment of two membranes like this, the concentration of salt will reduce because of the directional migration of ion, and two compartments that are close to the electrode then are anion respectively, the concentrated room of cation, reach the purpose of desalination in the desalination room in the middle at last, through such setting, can remove the salt to the raw water and handle, and through the thin liquid pipe, the fixed connection of thick water pipe and cavity, make the user be convenient for carry out classified collection to water.

3. The utility model discloses in, under speed governing mechanism's effect, when carrying out the desalination to the raw water through the device, be connected with the intercommunicating pore through separating the net, make the velocity of flow improve, thereby make area of contact increase, it is little to make the loss of flow, improve the utilization efficiency of electric current, and can avoid the velocity of water to cross lowly, the suspended solid of aquatic deposits between the baffle, cause the resistance increase, the inhomogeneous problem of water distribution, and simultaneously, set up with the discharge orifice is crisscross through the intercommunicating pore, can avoid the too big quality of water decline that leads to of velocity of flow, through such setting, can improve the dialysis efficiency of raw water, promote current utilization, and can effectively alleviate the device.

Drawings

Fig. 1 is a schematic structural diagram of an electrodialysis device with a liquid leakage stopping structure provided by the present invention;

FIG. 2 is a schematic view of the structure of the leakage preventing mechanism of the present invention;

FIG. 3 is a schematic structural view of the water collecting mechanism of the present invention;

fig. 4 is a schematic structural diagram of the speed adjusting mechanism of the present invention.

Reference numbers in the figures: 1. pressing a plate; 2. a base; 3. an anion exchange membrane; 4. a cation exchange membrane; 5. a partition plate; 6. a leakage prevention mechanism; 601. a threaded rod; 602. a first thread block; 603. a second thread block; 7. a water collecting mechanism; 701. an extremely water pipe; 702. a raw water pipe; 703. a thin liquid pipe; 704. a concentrated water pipe; 8. a speed regulating mechanism; 801. separating the net; 802. a communicating hole; 803. and (4) a water flowing hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of an electrodialysis device with a liquid stopping leakage structure according to the present invention; FIG. 2 is a schematic view of the structure of the leakage preventing mechanism of the present invention; FIG. 3 is a schematic structural view of the water collecting mechanism of the present invention; fig. 4 is a schematic structural diagram of the speed adjusting mechanism of the present invention. An electrodialysis device with a liquid leakage stopping structure comprises a pressing plate 1, a base 2, an anion exchange membrane 3, a cation exchange membrane 4, a partition plate 5, a leakage preventing mechanism 6, a threaded rod 601, a first threaded block 602, a second threaded block 603, a water collecting mechanism 7, a polar water pipe 701, a raw water pipe 702, a fresh water pipe 703, a concentrated water pipe 704, a speed regulating mechanism 8, a separation net 801, a communication hole 802 and a water flowing hole 803, wherein the base 2 is installed at the bottom of the pressing plate 1, the anion exchange membrane 3 is connected to the inner side of the pressing plate 1, the cation exchange membrane 4 is installed on one side of the anion exchange membrane 3, which is opposite to the pressing plate 1, the partition plate 5 is connected between the cation exchange membrane 4 and the anion exchange membrane 3, the leakage preventing mechanism 6 is installed on the outer side of the pressing plate 1, the threaded rod 601 is included in the leakage preventing mechanism 6, the first threaded block 602 is installed on the, the top of the partition board 5 is provided with a water collecting mechanism 7, the inside of the partition board 5 is connected with a speed regulating mechanism 8, as the ion exchange membrane has selective permeability, namely the cation exchange membrane 4 only allows cations to freely pass through, and the anion exchange membrane 3 only allows anions to pass through, in the middle partition chamber of the two membranes, the concentration of salt is reduced due to the directional migration of ions, and the two partition chambers close to the electrodes are respectively the concentration chambers of the anions and the cations, and finally the aim of desalting is achieved in the middle desalting chamber.

Furthermore, the first thread block 602 and the second thread block 603 are symmetrical about the central axis of the threaded rod 601, the transverse axis of the threaded rod 601 coincides with the transverse axis of the first thread block 602, and the threaded rod 601 enables the multiple sets of paired ion exchange membranes to be firmly connected with the partition plate 5, so that water is prevented from leaking out of the chamber.

Further, the inside water collecting mechanism 7 includes utmost point water pipe 701, and former water pipe 702 is installed at utmost point water pipe 701 top, and former water pipe 702 bottom is connected with thin liquid pipe 703, and thin liquid pipe 703 one side installs dense water pipe 704, and thin liquid pipe 703 can collect the utilization to the water after the desalination, improves user's work efficiency.

Furthermore, the cross-sectional area of the polar water pipe 701 is coincident with that of the raw water pipe 702, and the raw water pipe 702 is fixedly connected with the device, so that the electrolyte water solution can be simultaneously desalted, concentrated, separated and purified, and the device can also be used for purifying non-electrolytes such as sucrose and the like to remove the electrolytes in the non-electrolytes.

Further, the speed regulating mechanism 8 includes a separation net 801 inside, a communication hole 802 is installed outside the separation net 801, a water flowing hole 803 is connected to one side of the communication hole 802, and under the effect that the communication hole 802 and the water flowing hole 803 are arranged in a staggered manner, the water quality reduction caused by overlarge flow speed can be avoided, so that the raw water dialysis efficiency can be improved, and the water quality can be ensured.

Further, the communication holes 802 are symmetrical with respect to the horizontal axis of the mesh 801, the communication holes 802 and the water flow holes 803 are alternately arranged, and the mesh 801 is connected to the communication holes 802, so that the flow velocity is increased, the contact area is increased, the flow loss is reduced, and the current utilization efficiency is improved.

The utility model provides a pair of electrodialysis device with end liquid leakage structure's theory of operation as follows:

when the device is used, when a user needs to tightly connect a plurality of groups of cation exchange membranes 4 and anion exchange membranes 3 with the partition plates 5, the ion exchange membranes are connected in an extruding way through the pressing plate 1, the pressing plate 1 drives the ion exchange membranes to be fixed under the penetrating action of the threaded rod 601, so that the first threaded block 602 and the second threaded block 603 tightly press the pressing plate 1 at two sides, in order to improve the working efficiency, the device is provided with a plurality of groups of cation exchange membranes 4 and anion exchange membranes 3, so that the membranes are tightly connected with the partition plates 5 through the extrusion of the pressing plate 1 to avoid liquid leakage and influence the electrodialytic work, through the arrangement, the cation exchange membranes 4 and the anion exchange membranes 3 can be firmly connected with the partition plates 5 to avoid the loss of concentrated liquid from a bypass, the structure is simple, the operation is convenient, the cost performance is high, and when the user, raw water enters the chamber through the raw water pipe 702, so that anions and cations in the raw water can respectively move to the electrodes in opposite directions under the action of a direct current electric field, the cation exchange membrane 4 only allows cations to freely pass through the ion exchange membrane due to the selective permeability of the ion exchange membrane, and the anion exchange membrane 3 only allows anions to pass through the ion exchange membrane, so that the concentration of salt in a middle compartment of the two membranes is reduced due to the directional migration of ions, the two compartments close to the electrodes are respectively a concentration compartment for the anions and the cations, and finally, the aim of desalination is achieved in a middle desalination compartment, through the arrangement, the raw water can be desalted, and through the fixed connection of the thin water pipe 703 and the thick water pipe 704 with the chamber, the user can conveniently classify and collect the water, when the flow of the partition plate 5 needs to be adjusted, when the raw water is desalted through the device, through the separation net 801 is connected with the communication hole 802, the flowing speed is improved, the contact area is increased, the flow loss is small, the utilization efficiency of current is improved, the problem that the water flow rate is too low can be solved, suspended matters in water are deposited between the separation plates 5, the resistance is increased, and water distribution is not uniform is solved.

1. the utility model discloses in, under the effect of leak protection mechanism 6, extrude the connection to ion exchange membrane through clamp plate 1, under the effect of running through of threaded rod 601, it is fixed to make clamp plate 1 drive ion exchange membrane, thereby make first thread piece 602 and second thread piece 603 compress tightly clamp plate 1 in both sides, for improving work efficiency, the device is provided with multiunit cation exchange membrane 4 and anion exchange membrane 3, thereby extrusion through clamp plate 1, it is inseparable to make the membrane connect baffle 5, avoid the weeping, influence the work of electrodialysis, through such setting, can make cation exchange membrane 4, anion exchange membrane 3 and baffle 5 firm in connection, avoid the concentrate to run off and simple structure from the bypass, and convenient for operation, the sexual valence relative altitude.

2. The utility model discloses in, under the effect of water-collecting mechanism 7, the raw water passes through raw water pipe 702 and gets into the cavity, make the anion in the raw water, the cation can move to opposite direction's electrode respectively under DC electric field's effect, because ion exchange membrane has the selective permeability, make cation exchange membrane 4 only allow the cation freely to pass through, anion exchange membrane 3 only allows the anion to pass through, in the middle compartment of two membranes like this, the concentration of salt will reduce because of the directional migration of ion, and two compartments that are close to the electrode then are anion respectively, the concentrated room of cation, reach the purpose of desalination in the desalination room in the middle at last, through such setting, can remove the salt to the raw water and handle, and through light liquid pipe 703, the fixed connection of dense water pipe 704 and cavity, make the user be convenient for carry out the classified collection to water.

3. The utility model discloses in, under speed governing mechanism 8's effect, when carrying out the desalination to the raw water through the device, be connected with intercommunicating pore 802 through separating net 801, make the flow velocity improve, thereby make area of contact increase, it is little to make the loss of flow, improve the utilization efficiency of electric current, and can avoid the water flow velocity to hang down excessively, the suspended solid of aquatic is at 5 intervals depositions of baffle, cause the resistance increase, the inhomogeneous problem of water distribution, and simultaneously, through intercommunicating pore 802 and the crisscross setting of discharge orifice 803, can avoid the too big quality of water decline that leads to of velocity of flow, through such setting, can improve the dialysis efficiency of raw water, promote current utilization ratio, and can effectively alleviate the device scale deposit.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. An electrodialysis unit with a liquid leakage stopping structure comprises a pressing plate (1), and is characterized in that: base (2) are installed to clamp plate (1) bottom, and clamp plate (1) inboard is connected with anion exchange membrane (3), cation exchange membrane (4) are installed to one side of anion exchange membrane (3) clamp plate (1) dorsad, and are connected with between cation exchange membrane (4) and anion exchange membrane (3) baffle (5), leak protection mechanism (6) is installed in the clamp plate (1) outside, leak protection mechanism (6) are inside including threaded rod (601), and threaded rod (601) outer wall screw thread installs first thread piece (602), first thread piece (602) opposite side is connected with second thread piece (603), catchment mechanism (7) are installed at baffle (5) top, and baffle (5) internal connection has speed regulating mechanism (8).

2. Electrodialysis unit with liquid leakage stopping structure according to claim 1, wherein the first and second threaded blocks (602, 603) are symmetrical with respect to the central axis of the threaded rod (601), and the transverse axis of the threaded rod (601) coincides with the transverse axis of the first threaded block (602).

3. The electrodialysis device with a liquid leakage stopping structure as claimed in claim 1, wherein the water collecting mechanism (7) comprises an electrode water pipe (701) inside, a raw water pipe (702) is installed at the top of the electrode water pipe (701), a thin water pipe (703) is connected to the bottom of the raw water pipe (702), and a thick water pipe (704) is installed at one side of the thin water pipe (703).

4. An electrodialysis unit having a liquid leakage stopping structure as claimed in claim 3, wherein the cross-sectional area of said polar water pipe (701) coincides with the cross-sectional area of said raw water pipe (702).

5. The electrodialysis device with the liquid leakage stopping structure as claimed in claim 1, wherein the speed regulating mechanism (8) comprises a separation net (801) inside, a communication hole (802) is installed outside the separation net (801), and a water flowing hole (803) is connected to one side of the communication hole (802).

6. An electrodialysis unit with a liquid leakage stopping structure according to claim 5, wherein the communication holes (802) are symmetrical about a transverse axis of the mesh (801), and the communication holes (802) and the water flowing holes (803) are staggered.