CN217838457U - Water treatment unit and device - Google Patents
Water treatment unit and device Download PDFInfo
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- CN217838457U CN217838457U CN202220246528.7U CN202220246528U CN217838457U CN 217838457 U CN217838457 U CN 217838457U CN 202220246528 U CN202220246528 U CN 202220246528U CN 217838457 U CN217838457 U CN 217838457U
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Abstract
The invention discloses a water treatment unit and a device, which belong to the technical field of water treatment equipment, and the water treatment unit can meet the requirements of continuous work and water recovery rate in the practical engineering application process through the reasonable arrangement of electrodes, water distribution plates and ionic membranes, and can effectively treat a high-salt-content water body.
Description
Technical Field
The invention relates to the technical field of water treatment equipment, in particular to a water treatment unit and a water treatment device.
Background
Electrochemical technologies, such as Electro-adsorption Technology (EST), are increasingly gaining attention. Electro-adsorption Technology (EST), also called Capacitive Deionization (CDI), has been gradually applied in the fields of wastewater treatment, drinking water treatment, substance conversion, etc. due to its characteristics of high efficiency, low energy consumption, and simple process. The basic principle is as shown in fig. 1, and the electrostatic field generated by an external direct current power supply is used to make charged ions in the solution flowing between the electrodes move to the electrodes and be adsorbed on the double electric layers on the surfaces of the electrodes, so as to achieve the effect of removing salt or ions. After the electrode is saturated, the anode and the cathode are in short circuit, and the adsorbed ions fall off from the electrode and are released back into the solution again, so that the regeneration and the reutilization of the electrode are realized.
The existing several kinds of electric adsorption desalination device structures are as follows:
the first, original solid-state counter-electrode form. The basic processing unit consists of a pair of large solid electrodes, a gap is left between the two solid electrodes to be used as a fluid channel, and fluid to be processed flows through the fluid channel, so that the aim of electro-adsorption processing on the fluid is fulfilled.
The device with the structure mainly has the following two problems:
firstly, the working efficiency of the electrode is low, ions in a large solid electrode body need to enter and exit through diffusion, the dynamic process is slow, particularly, the thickness of the electrode needed when high salt water is treated is large, and the time for entering and exiting the ions is longer;
secondly, because the electric adsorption working process is a transient process, the adsorption saturation degree of the electrode in the length direction of the electrode is distributed to a certain extent. As shown in fig. 2, in the electro-adsorption component, the electrode near the liquid inlet may reach a saturation state in the first time of adsorption, and at this time, the part of the electrode will not continue to perform adsorption work, but is in an idle state, and needs to be regenerated and desorbed together with the whole electrode until the whole electrode is saturated in adsorption, that is, the end of the work cycle. Therefore, in general, when the solid electro-adsorption electrode is used for electro-adsorption operation, a considerable part of the electrode is not fully utilized. Meanwhile, all auxiliary materials matched with the partial electrodes, such as a collector electrode, an ion blocking material, a separation net and the like, can not be fully utilized correspondingly;
thirdly, the practical application comprises two links of work and regeneration, the practical work efficiency of the work link is not high, and the work link is used for regeneration of the electrode in a considerable time, so that the use efficiency of the whole device is seriously reduced;
fourthly, when the electrode is electrically adsorbed, ions with the same number of charges as the electrode are discharged out of the surface of the electrode (namely, a micropore area for a pore electrode), and the ions are either discharged to a water flow channel or adsorbed by the opposite electrode, and no matter what, the ion concentration of the produced water is adversely affected.
A second, liquid electrode/ion selective separator form. A flowing electrode (containing electrode liquid and powder of electroactive materials) is used for replacing a large solid electrode, a structural space is arranged on one side of an ion exchange membrane, the flowing electrode is allowed to flow through the structural space, and the purpose of electro-adsorption treatment is achieved. In the actual working process, requirements are made on the shape and size of electrode powder, the electrode liquid needs to be ensured to be in a continuous and stable slurry state, and the electrode is easy to deposit and form blockage in the actual use process.
In addition, although the device with the structure can realize continuous chemical engineering to a certain extent, the working effect of the electrode solution is still not ideal because the conductivity of the electrode solution is far lower than that of a solid electrode.
Third, fixed bed electrode/ion exchange membrane format: the basic processing unit consists of a pair of fixed bed electrodes, anion and cation selective separators and a middle separation net, wherein the middle separation net is arranged between two ion exchange membranes, and fluid to be processed flows through the separation channels between the electro-adsorption electrodes and the ion exchange membranes respectively, so that the purpose of processing the fluid is realized. The structure mode greatly improves the dynamic process of the electrode because the liquid is allowed to flow through the electrode, and can have certain electro-adsorption treatment effect in the regeneration process of the electrode, thereby realizing continuous working effect to a certain extent, but the efficiency begins to decline when the concentration of a treatment object is higher, and the treatment effect still has larger limitation.
Compared with an ideal and stable use environment in a laboratory or a simulation state, in an actual engineering application process, a plurality of uncertain factors and changes exist, including large change and uncontrollable change range of the concentration (such as the concentration containing salt) of an object to be treated, long actual working time and the like, so that the corresponding treatment device is required to be capable of keeping a long-time and efficient working state, and meanwhile, the capacity of adapting to large change of water quality fluctuation (such as the concentration containing salt) of the object to be treated is provided, otherwise, the purpose of engineering application and popularization is difficult to achieve really.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide an efficient water treatment unit and device that can meet the needs of continuous operation in the practical engineering application process, has high water recovery rate requirement and high salt content in the water to be treated.
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model relates to an electrode connecting mechanism for water treatment, in particular to a water treatment unit, which comprises a first electrode and a second electrode, wherein a first ionic membrane, a first water distribution plate, a second ionic membrane, a second water distribution plate and a third ionic membrane are sequentially arranged between the first electrode and the second electrode along the direction from the first electrode to the second electrode;
the first electrode and the second electrode are opposite electrodes;
the first ionic membrane and the third ionic membrane are ionic membranes which allow ions with the same charge to pass through each other, and the first ionic membrane and the second ionic membrane are ionic membranes which allow ions with different charges to pass through;
the water distribution plate is used for connecting adjacent ionic membranes.
Preferably, the electrode comprises an electrode frame and a conductive piece, a containing space is formed in the middle of the electrode frame, and the conductive piece is arranged in the containing space.
Preferably, the electrode frame is provided with an electrode solution inlet and a conductive piece, the electrode solution inlet is arranged on one side of the conductive piece, and a water distribution bulge is arranged between the electrode solution inlet and the conductive piece.
Preferably, the device further comprises an electric field applying device, wherein the electric field applying device comprises a polar plate body, and a power transmission cable is arranged on the polar plate body; it is characterized in that the polar plate body comprises:
a first side;
a second side, the second side being disposed corresponding to the first side;
and the conductive unit comprises a conductive body and a connecting wire, the conductive body is arranged corresponding to the mounting hole, and the connecting wire is arranged on the second side of the polar plate and is used for connecting the conductive body and the power transmission cable.
Preferably, the graphite plate is disposed on the first side, and a power transmission through hole is disposed on the graphite plate, and the power transmission through hole is disposed corresponding to the conductor.
Preferably, a flexible conductive piece is arranged between the pole plate body and the electrode.
Preferably, the water distribution plate includes:
the upper part of the supporting frame is provided with a water inlet hole;
the water distribution pore network is arranged on the periphery of the water inlet; and
and the water distribution cavity is arranged at the lower part of the water distribution pore network and is used for collecting water flowing out of the water distribution pore network.
Preferably, the electrode assembly further comprises a connecting mechanism, wherein the connecting mechanism comprises a connecting piece, a first connecting end of the connecting piece is connected with the first electrode, and a second connecting end of the connecting piece is connected with the second electrode.
Preferably, at least one of the first connection end and the second connection end is in non-through connection with the corresponding electrode.
The utility model discloses a water treatment device, water treatment device comprises 2 at least water treatment unit, water treatment unit is foretell water treatment unit.
Compared with the prior art, the utility model discloses a scheme reaches economical and feasible, can satisfy the requirement that needs continuous operation, water recovery rate require height and water salt content are high among the actual engineering application, and can carry out water desalination, ion separation, ion selectivity through electro-adsorption high-efficiently and get rid of and the ion concentration method, electro-adsorption deionization equipment forms only to supply electrode liquid to pass through and the water-permeable structure electrode of circulation by including the collecting electrode and the cavity that is filled with electroactive material, and the switching that is equipped with collecting electrode voltage or current direction simultaneously realizes continuous, efficient electro-adsorption deionization and handles in the electro-adsorption deionization process.
Drawings
FIG. 1 is an exploded view of the various components of a water treatment unit of the present invention;
FIG. 2 is a schematic view showing the structure of an electrode in the water treatment unit of the present invention;
FIG. 3 is a schematic diagram of a second electrode structure of the water treatment unit of the present invention;
FIG. 4 is a partial enlarged view of area A of the present invention;
FIG. 5 is a schematic view of the structure of the first side of the electric field applying unit of the water treatment unit of the present invention;
FIG. 6 is a schematic view of the structure of the second side of the electric field applying unit of the water treatment unit according to the present invention;
FIG. 7 is a partially enlarged schematic view of the power transmission through hole of the electric field applying unit of the water treatment unit according to the present invention;
FIG. 8 is an exploded view of the electric field applying unit of the water treatment unit of the present invention;
FIG. 9 is a schematic structural view of an ion membrane in a water treatment unit according to the present invention;
FIG. 10 is a schematic view of a support frame of the water treatment unit of the present invention;
FIG. 11 is a schematic diagram illustrating a non-through connection between a connection terminal and a corresponding electrode in the present embodiment;
FIG. 12 is a schematic structural diagram of a connecting member, i.e., an electrode connected thereto, in the present embodiment;
FIG. 13 is a schematic view of the connecting member and the electrodes in the present embodiment;
the reference numbers in the schematic drawings illustrate:
100. an electrode; 101. an electrode frame; 102. a conductive member;
110. a first electrode; 111. an electrode connection hole; 112. a connecting hole inclined wall; 113. a connection hole anti-drop part;
120. a second electrode; 121. a blocking portion;
130. a first ionic membrane; 131. a first film hole;
140. a first water distribution plate; 141. a first plate hole;
150. a second ionic membrane; 151. a second film hole;
160. a second water distribution plate; 161. a second plate hole;
170. a third ionic membrane; 171. a third film hole;
180. a flexible conductive member;
200. a connecting member; 210. a first connection end; 220. connecting the columns; 230. a second connection end; 231. connecting an anti-drop piece; 232. a connecting portion.
201. A first connecting member; 202. a second connecting member;
300. an ionic membrane; 310. a membrane pore;
400. a support frame; 410. plate holes; 411. positioning holes; 412. the electrode water channel passes through the hole;
420. a water distribution cavity; 421. a water distribution pore network; 422. water inlet and outlet holes (or water collecting and distributing holes);
430. water distribution net sheets;
520. an electrode liquid inlet and an electrode liquid outlet (or named as electrode liquid collecting holes); 530. a water collection area; 531. a diversion gap; 532. A flow guiding rib; 540. water distribution bulges; 550. the transverse rows of bulges are arranged; 560. a boss; 561. a through hole; 570. water passing holes;
610. a pole plate body; 611. a first side; 612. a second side; 613. a water channel; 614. water collecting holes (the upper side is provided with electrode solution, and the lower hole is provided with treated water); 615. a water discharge tank; 616. a drain hole; 630. water inlet and outlet holes (including side and front, upper side is electrode liquid hole, lower side is water treatment hole)
620. A graphite plate; 621. isostatic pressing graphite; 621-1, annular protrusion; 621-2, accommodating grooves;
631. an electrical conductor; 632-1, long copper bars; 632-2, short copper bars; 633-1, gasket; 633-2, and tightening the nut; 633-3, nut; 633-4, a gasket; 634-1, a power transmission cable; 634-2, waterproof glan head; 634-3, and a wiring cover.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like, referred to in the present specification, are used for clarity of description only, and are not used to limit the implementable scope, and changes or adjustments of the relative relationship thereof are also regarded as the implementable scope of the present invention without substantial changes in the technical content; in addition, the embodiments of the present invention are not independent of each other, but can be combined.
A water treatment device of this embodiment, the water treatment device is composed of a plurality of water treatment units, each of which can perform a separate water treatment operation, and in this embodiment, each of the water treatment units, whose components are decomposed as shown in fig. 1, includes a first electrode 110, a second electrode 120, an ionic membrane 300 and a water distribution plate 400, the ionic membrane 300 and the water distribution plate 400 are disposed between the first electrode 110 and the second electrode 120, and the specific electrode 100, ionic membrane 300 and water distribution plate 400 are respectively shown in fig. 4, fig. 5 and fig. 6.
The concrete structure of the water treatment unit in this embodiment is as follows: the ionic membrane 300 comprises a first ionic membrane 130, a second ionic membrane 150 and a third ionic membrane 170, the water distribution plate 400 comprises a first water distribution plate 140 and a second water distribution plate 160, and the first ionic membrane 130, the first water distribution plate 140, the second ionic membrane 150, the second water distribution plate 160 and the third ionic membrane 170 are sequentially arranged between the first electrode 110 and the second electrode 120 along the direction from the first electrode 110 to the second electrode 120.
It should be noted that the electrode 100 includes an electrode frame 101 and a conductive member 102, a receiving space is formed in the middle of the electrode frame 101, the conductive member 102 is disposed in the receiving space, and the conductive member 102 is filled with graphite particles in this embodiment.
In order to realize the installation among the first electrode 110, the second electrode 120, the ionic membrane 300 and the water distribution plate 400 in the water treatment unit, the first electrode 110 and the second electrode 120 are connected through an electrode connecting mechanism, the ionic membrane 300 and the water distribution plate 400 are clamped between the first electrode 110 and the second electrode 120, and the ionic membrane 300 and the water distribution plate 400 are clamped by the first electrode 110 and the second electrode 120 through the connection of the electrode connecting mechanism.
The electrode frame 101 has a structure, as shown in fig. 1 and 2, the electrode frame 101 has two surfaces disposed opposite to each other, an electrode liquid inlet and outlet 520 is disposed on one surface of the electrode frame, which is close to the graphite paper 200, and a conductive member 102 is disposed in the middle frame. Further, the conductive member 102 on the electrode frame 101 is provided with an internal electrode filling material, and the graphite paper 200 is used to separate the electrode frame 101 and the internal electrode filling material from other components. In the present embodiment, as a specific embodiment, the thickness of the electrode frame 101 is set to 2 to 10mm. The electrode liquid inlet and outlet 520 is disposed at one side of the conductive member 102, and may be a circular hole or a square hole. Water distribution protrusions 540 are arranged between the electrode liquid inlet and outlet 520 and the conductive pieces 102, are used for water distribution and flow guide of the electrode liquid, and provide supporting force for sealing the electrode water channel by cooperating with the graphite paper 200 and the electrode frame 101. The graphite paper 200 is located between the electrode frame 101 and the electric field applying device and between the electrode frame 101 and the electrode frame 101 of two adjacent electrosorption units, and the graphite paper 200 is at least partially contacted with the water distribution protrusions 540 and can be supported by the water distribution protrusions 540. As a specific embodiment, a water through hole 570 may be further disposed around the electrode liquid inlet and outlet 520, wherein the water through hole 570 is not communicated with the water collecting region 530.
Furthermore, an electrode solution outlet, either a circular hole or a square hole, is disposed on one side of the conductive member 102 away from the electrode solution inlet 520. A water distribution bulge 540 is arranged between the electrode liquid outlet and the conductive piece 102. It should be noted that, the structures at the two ends of the conductive member 102 may be arranged as a symmetrical structure, and when the electrode frame 101 is inverted, the electrode solution inlet 520 becomes the electrode solution outlet, and the electrode solution outlet becomes the electrode solution inlet 520.
In a preferred embodiment, a water collecting region 530 is disposed between the electrode solution inlet and outlet 520 and the conductive member 102, a plurality of diversion gaps 531 are disposed on a side of the water collecting region 530 away from the conductive member 102, the diversion gaps 531 are disposed corresponding to the electrode solution inlet 520, and the fluid flows into the water collecting region 530 through the diversion gaps 531. Further illustrating the structure of the water collection area 530: the water collecting region 530 is a depression of the surface of the electrode frame 101, that is, the thickness of the region of the electrode frame 101 corresponding to the water collecting region 530 is smaller than the thickness of other regions, so that a chamber for temporarily storing fluid is formed between the water collecting region 530 and the graphite paper 200. The fluid enters the water collecting region 530, fills the chamber first, and then enters the conductive member 102, thereby performing the function of uniform water distribution.
The flow guiding gap 531 is provided with at least one water distributing protrusion 540, and the water distributing protrusion 540 is at least partially located on a path of the fluid flowing from the electrode fluid inlet and outlet 520 to the conductive member 102. In another embodiment, the diversion gaps 531 are provided with at least two water distribution protrusions 540, typically 2-6. The water distribution protrusions 540 are at least one of oval, diamond, rectangular, conical and spindle-shaped, and the symmetry axes of any two water distribution protrusions 540 are not parallel. Further preferably, the intersection point of one end of the extension lines of the symmetry axes of any two water distribution protrusions 540 coincides with the electrode liquid inlet 520, and the water guide effect is good.
In a more preferred embodiment, the junction of the water collecting region 530 and the conductive member 102 is provided with a row of protrusions 550. The horizontal protrusions 550 are arranged along the width direction of the electrode frame 101, and the distance between any two adjacent horizontal protrusions 550 in the width direction of the electrode frame 101 is 0.1-5mm. It should be noted that the height of the protrusions of the lateral bumps on the surface of the electrode frame 101 is the same as the thickness of the electrode frame 101, so as to support the graphite paper 200. The size of the transverse salient points can be adjusted according to the size of electrode particles, and two rows or more than two rows can be arranged relative to the width of the electrode frame 101.
Optionally, the water collecting region 530 is provided with a flow guiding rib 532 at a side region near the edge of the electrode frame 101, and the graphite paper 200 is at least partially in contact with the flow guiding rib 532. The flow guiding ribs 532 are used for uniformly guiding the water flow in the water collecting region 530 and providing support for the graphite paper 200. Furthermore, the water collecting region 530 is provided with a boss 560 and a through hole 561, the through hole 561 is located in the boss 560, and a circular hole, a square hole, may be used as a water passage. The boss 560 is in contact with the graphite paper 200, and the height of the boss 560 relative to the surface of the electrode frame 101 is the same as the thickness of the electrode frame 101, so as to seal the through hole 561. Optionally, the water collecting region 530 is provided with at least two bosses 560, the bosses 560 are arranged along the width direction of the electrode frame 101, and the bosses 560 are at least one of circular, oval, diamond, rectangular, conical, and spindle-shaped.
Similarly, a water collecting region 530 may also be disposed between the electrode solution outlet and the conductive member 102, a plurality of diversion gaps 531 are disposed on a side of the water collecting region 530 away from the conductive member 102, the diversion gaps 531 are disposed corresponding to the electrode solution outlet, and the fluid flows out of the water collecting region 530 through the diversion gaps 531 and is guided out through the electrode solution outlet. And the structure of the water collecting region 530 may be the same as or different from that of the water collecting region 530 of the electrode solution inlet 520, for example, the water collecting region 530 of the electrode solution outlet does not have the water distributing protrusions 540.
The utility model provides an electric field applying device for electrosorption equipment, including polar plate body 610, polar plate body 610 is mainly made by insulating material, and is provided with power transmission cable 634-1 on the polar plate body 610. In a specific embodiment, the plate body 610 is provided with an outlet, the outlet is disposed through the plate body 610, and the outlet is used for installing the power transmission cable 634-1. Meanwhile, as a preferred embodiment, a threaded blind hole is formed in the wire outlet and can be used for installing an anti-rotation bolt. When power delivery cable 634-1 is installed in an outlet via waterproof glan head 634-2 and wiring cover 634-3, it prevents wiring cover 634-3 from following when waterproof glan head 634-2 is installed on wiring cover 634-3.
Further illustrating the mounting position of the electric field application device in the electro-adsorption apparatus: generally, an electro-adsorption apparatus includes an end plate, an insulating spacer (e.g., a rubber spacer, etc.), an electric field applying device, and an ion membrane module. As a specific installation manner, the electric adsorption device includes two end plates, two insulating gaskets (e.g., rubber gaskets, etc.), two electric field applying devices, and an ion membrane module, and the assembling manner of the electric adsorption device includes the end plates, the insulating gaskets, the electric field applying devices, the ion membrane module, the electric field applying devices, the insulating gaskets, and the end plates, which are sequentially arranged from left to right.
It should be noted that the power transmission cable 634-1 may also be a region integrally formed with the plate body 610 and having a conductive function. Meanwhile, a water channel 613 is arranged inside the plate body 610, a water outlet hole 614 is arranged on the first side 611 of the plate, and the water channel 613 is used for communicating the water outlet hole 614 with the side of the plate body 610.
The plate body 610 includes a first side 611, a second side 612, a mounting hole, and a conductive unit, wherein, as shown in fig. 1, the conductive unit includes a conductive body 631 and a connecting wire, the conductive body 631 is disposed corresponding to the mounting hole, and the connecting wire is disposed on the second side 612 of the plate and is used for connecting the conductive body 631 and the power transmission cable 634-1.
To explain further, as shown in fig. 3, the second side 612 of the plate body 610 is disposed corresponding to the first side 611, and to explain further, the second side 612 is disposed on the back of the first side 611. Wherein, the second side 612 is provided with a wiring groove for accommodating a connection line. The connecting wires are typically conductive metal wires, such as copper bars, copper wires, or other conductive metal wires. The connecting line is connected with the conductor 631 through a fastener, the fastener comprises a nut 633-3, a clamping nut 633-2 and a gasket 633-4, the nut 633-3 is arranged between the connecting line and the second side 612, and the gasket 633-4 is arranged between the nut 633-3 and the second side 612 to play a role of waterproof sealing. And a jam nut 633-2 is provided in cooperation with the nut 633-3 for mounting the patch cord on the conductor 631.
In one embodiment, the conductive unit includes eight conductors 631, the conductors 631 are connected to the conductors 631 by connecting wires, and at least one conductor 631 is connected to the power transmission cable 634-1 by connecting wires. Further, the number of the conductive bodies 631 may be 10, 20, or other numbers. As shown in fig. 3, in a specific embodiment, the conductors 631 are arranged in 4 rows × 2 columns, an outlet is provided at the geometric center of the plate body 610, and the power transmission cable 634-1 in the outlet is connected to the two conductors 631 in the 2 nd row. Meanwhile, the conductors 631 of row 1 and row 4 are connected by short copper bars 632-2 and the conductors 631 of column 1 and column 2 are connected by long copper bars 632-1. Further, the above arrangement is not the only arrangement, and any two conductors 631 or any conductor 631 and the power transmission cable 634-1 may be connected by a connecting wire.
Further, the second side 612 is provided with a drainage groove 615, which is used for preventing the water inside the device from penetrating into the wiring groove to generate water accumulation after long-term operation, so as to corrode other parts. The side of the pole plate body 610 is provided with a drainage hole 616, and the drainage groove 615 is used for connecting the wiring groove and the drainage hole 616. In a specific embodiment, one end of the drain groove 615 is connected to the lowest portion of the wiring groove, for example, as shown in fig. 3, two drain grooves 615 are included, and one end of each drain groove 615 is connected to a corresponding position of the wiring groove where the two conductors 631 located in the 4 th row are located. Further, the drainage groove 615 is designed to be inclined downward at a certain angle, for example, 1 to 88 °, preferably 5 to 25 °, and can be used for smooth drainage.
Further explaining the installation mode of the utility model, as a specific installation mode, as shown in fig. 1, the electric field applying device of the utility model is assembled in sequence according to the graphite plate 620, the gasket 633-1, the electric conductor 631, the pole plate body 610, the gasket 633-4, the nut 633-3, the long copper bar 632-1, the short copper bar 632-2, the clamping nut 633-2, the power transmission cable 634-1, the wiring cover 634-3, the waterproof glan head 634-2 and the anti-rotation bolt. As a specific implementation mode, the electric conductor 631, the nut 633-3, the gasket 633-4, the washer 633-1 and the clamping nut 633-2 of the present invention are made of copper, and can be made of other conductive materials.
Comprises a supporting frame 400, a water distribution mesh 421 and a water distribution cavity 420, wherein the water distribution mesh 421 and the water distribution cavity 420 are arranged on the supporting frame 400.
The upper portion of the support frame 400 is provided with water inlet and outlet holes 422 for allowing fluid to be distributed to flow therein. The water inlet and outlet holes 422 are generally, but not limited to, circular holes or square holes, and the support frame 400 generally takes on, but not limited to, a square, a rectangle, etc. As one specific embodiment, the water inlet and outlet holes 422 are provided in a plurality, for example, 4 or 5, and are uniformly arranged along the width direction of the support frame 400, for example, when the support frame 400 is rectangular, the water inlet and outlet holes 422 are arranged along a straight line, and the straight line is parallel to one edge of the rectangle. It should be noted that the water inlet holes 422 and the water outlet holes 422 may be alternatively arranged or obliquely arranged.
The water distribution mesh 421 is disposed around the water inlet holes 422, and as a specific implementation manner, the water inlet holes 422 and the water outlet holes 422 are located at the geometric center of the water distribution mesh 421, so as to achieve a better water inlet effect. Furthermore, the width of the water distribution mesh 421 is increased from top to bottom in sequence, so as to improve the diffusion, permeation and water-equalizing effect of the inlet water. As a preferable embodiment, the water distribution mesh 421 is a mesh woven by warps and wefts, which has good water penetration and equalization effect, and the mesh number and the yarn diameter of the mesh can be adjusted according to the specification and size of the device.
The water distribution chamber 420 is disposed below the water distribution mesh 421, and is used for collecting water flowing out of the water distribution mesh 421. In a preferred embodiment, the water distribution chamber 420 is a water distribution channel extending along the width direction of the support frame 400 and formed in a generally straight line shape. As a further preferable mode, the water distribution channel is arranged in parallel with a straight line formed by the water inlet and outlet holes 422. The water distribution cavity 420 is provided with a water distribution inlet and a water distribution outlet, and as a preferred embodiment, the distance between the water distribution inlet and the water distribution outlet is 2-10mm, so that the water distribution effect is good.
Further, a water distribution mesh 430 is disposed on the supporting frame 400, and the water distribution mesh 430 is disposed below the water distribution cavity 420 by ironing, splicing, and the like. The water distribution net sheet 430 is a warp-weft knitted net sheet, has good water penetration and equalization effect, and can be correspondingly adjusted according to the specification and the size of the device. The water distribution inlet is communicated with the water distribution pore mesh 421, and the water distribution outlet is communicated with the inlet of the water distribution net sheet 430. Preferably, the water distribution width of the water distribution outlet is W 1 The width of the inlet of the water distribution net sheet 430 is W 2 ，W 1 ： W 2 =1:1-2, and the water collecting and distributing effect is optimal. As a specific embodiment, as shown in fig. 1, a water collecting mesh and water outlets of the support frame 400 are disposed at the lower portion of the water distributing mesh 430, and the water discharged from the water distributing mesh 430 enters the water collecting mesh and is discharged from the water outlets. The arrangement and number of the water outlets may be the same as or different from those of the water inlets and the water outlets 422.
Further, the supporting frame 400 is provided with a positioning hole 411, and the positioning hole 411 is located above the water inlet hole 422, so as to facilitate positioning and installation of the water distribution unit. The support frame 400 is provided with electrode waterway passing holes 412, and the electrode waterway passing holes 412 are positioned above the water inlet holes 422.
In this embodiment, the electrode connection mechanism includes a connection member 200, wherein the first connection end 210 of the connection member 200 is connected to the first electrode 110, and the second connection end 230 of the connection member 200 is connected to the second electrode 120.
It should be noted that, as shown in fig. 11, in this embodiment, at least one of the first connection end 210 and the second connection end 230 and the corresponding electrode may be in non-through connection.
In the non-through connection, that is, for the first electrode 110 and the second electrode 120 which are connected, the connection of the connection member 200 does not adopt a connection mode that both ends of the connection member penetrate the first electrode 110 and the second electrode 120, and by arranging the connection member 200 between the first electrode 110 and the second electrode 120, the connection member not only can play a role of positioning connection and avoid the deflection between the first electrode 110 and the second electrode 120, but also can effectively prevent the electrolytes of the first electrode 110 and the second electrode 120 from mutually permeating along the connection member 200 by the non-through connection of the first electrode 110 and the second electrode 120 with the connection member 200, so that the occurrence of the short circuit phenomenon between the first electrode 110 and the second electrode 120 can be reduced with a high probability.
As shown in fig. 2 and 3, the specific connection manner in this embodiment is as follows: the first electrode 110 is provided with an electrode connection hole 111, the connection member 200 passes through the electrode connection hole 111, the first connection end 210 is connected to the electrode connection hole 111 of the first electrode 110, the second connection end 230 is connected to the second electrode 120 through a connection portion 232, the second electrode 120 is provided with a blocking portion 121 at the connection portion 232, and the blocking portion 121 blocks the second connection end 230 from passing through the second electrode 120. The second electrode 120 may also be provided with an electrode connection hole 111, the connection member 200 passes through the electrode connection hole 111, the first connection end 210 is connected to the electrode connection hole 111 of the second electrode 120, the second connection end 230 is connected to the first electrode 110 through a connection portion 232, the connection portion 232 is provided with a blocking portion 121, and the blocking portion 121 blocks the second connection end 230 from passing through the first electrode 110. The connecting member 200 in this embodiment includes a connecting cylinder 220, and two ends of the connecting cylinder 220 are a first connecting end 210 and a second connecting end 230, respectively.
That is, as shown in fig. 1, the first electrode 110 is provided with an electrode connection hole 111, passes through the electrode connection hole 111 of the first electrode 110 through a first connection member 201, and is connected to the second electrode 120 through a connection portion 232; and/or the second electrode 120 is provided with an electrode connection hole 111, passes through the electrode connection hole 111 of the second electrode 120 through the second connection member 202, and is connected to the first electrode 110 through the connection portion 232.
In this embodiment, the connection part 232 is provided with a welding layer through which the second connection end 230 of the connection member 200 is connected to the second electrode 120; preferably, the welding layer is an ultrasonic welding layer, and the ultrasonic welding layer is particularly adopted for connection through the arrangement of the welding layer, so that the processing is facilitated, and the connection strength can be well guaranteed.
It should be noted that, as shown in fig. 2 and 3, in the case where the electrode connecting hole 111 is provided on the first electrode 110, the electrode connecting hole 111 is provided on the second electrode 120 in the same manner as that, but the first electrode 110, the first ionic membrane 130, the first water distribution plate 140, the second ionic membrane 150, the second water distribution plate 160, the third ionic membrane 170 and the second electrode 120 in fig. 2 and 3 are reversed. In addition, the blocking portion 121 in this embodiment is a portion of the electrode 100 that does not penetrate through to block the connection element 200.
However, the electrode connection hole 111 may be provided only on the first electrode 110 or the electrode connection hole 111 may be provided only on the second electrode 120, which may achieve the connection between the first electrode 110 and the second electrode 120, and may achieve the non-through connection between the first electrode 110 and the connection member 200 and the non-through connection between the second electrode 120 and the connection member 200, so as to prevent the electrolytes of the first electrode 110 and the second electrode 120 from mutually penetrating along the connection member 200.
If the first electrode 110 and the second electrode 120 are both provided with the electrode connecting holes 111, the processing of the electrodes can be uniform, the same electrodes can be used as the first electrode 110 and the second electrode 120 respectively in the processing and production processes, so as to reduce the production cost, and the electrode connecting holes 111 are both arranged on the first electrode 110 and the second electrode 120 and are connected through the first connecting piece 201 and the second connecting piece 202 respectively, so that the improvement of the connecting strength between the first electrode 110 and the second electrode 120 is facilitated.
There is also an implementation manner for non-through connection between at least one of the first connection end 210 and the second connection end 230 and the corresponding electrode, that is, no electrode connection hole 111 is provided on the first electrode 110 and the second electrode 120, that is, the first connection end 210 and the second connection end 230 are both connected with the first electrode 110 and the second electrode 120 by means of ultrasonic welding layers, which is better in the electrolyte blocking effect on the first electrode 110 and the second electrode 120, but there are many welding spots in the processing process, and the distance between the first electrode 110 and the second electrode 120 is difficult to control, which is inconvenient in the production process. The connection member 200 is connected through one electrode connection hole 111 in the foregoing manner, which not only reduces the difficulty of processing, but also facilitates the control of the distance between the first electrode 110 and the second electrode 120 during the processing.
The ionic membrane 300 is provided with membrane holes 310, the water distribution plate 400 is provided with plate holes 410, and the connecting member 200 passes through the membrane holes 310 and the plate holes 410 to connect the first electrode 110 and the second electrode 120. Specifically, as shown in fig. 1 and fig. 2, the first ionic membrane 130, the first water distribution plate 140, the second ionic membrane 150, the second water distribution plate 160, and the third ionic membrane 170 are respectively provided with a first membrane hole 131, a first plate hole 141, a second membrane hole 151, a second plate hole 161, and a third membrane hole 171.
If the electrode connection hole 111 is provided on the first electrode 110, the connection member 200 sequentially passes through the electrode connection hole 111, the first film hole 131, the first plate hole 141, the second film hole 151, the second plate hole 161, and the third film hole 171 to be connected to the second electrode 120, and if the electrode connection hole 111 is provided on the second electrode 120, the connection member 200 sequentially passes through the electrode connection hole 111, the third film hole 171, the second plate hole 161, the second film hole 151, the first plate hole 141, and the first film hole 131 to be connected to the first electrode 110.
In addition, an inclined surface is arranged at the side of the first connection end 210 of the connection member 200, a connection hole inclined wall 112 is arranged at a position corresponding to the electrode connection hole 111 and the first connection end 210, the connection hole inclined wall 112 is matched with the inclined surface of the first connection end 210, and the connection member 200 is conveniently installed in the electrode connection hole 111 through the matching of the connection hole inclined wall 112 and the inclined surface of the first connection end 210, and the sealing performance of the connection member can be improved to a certain extent.
The lateral part of the second connecting end 230 of the connecting piece 200 is provided with a connecting anti-disengaging part 231, a connecting hole anti-disengaging part 113 is arranged in the electrode connecting hole 111, the connecting anti-disengaging part 231 and the connecting hole anti-disengaging part 113 are correspondingly arranged, the connecting piece 200 is prevented from disengaging through the matching of the connecting anti-disengaging part 231 and the connecting hole anti-disengaging part 113, after the second connecting end 230 of the connecting piece 200 passes through the electrode connecting hole 111, the connecting piece 200 is about to disengage from the electrode connecting hole 111, the connecting hole anti-disengaging part 113 can block the connecting anti-disengaging part 231, and therefore avoiding is performed, the connecting piece 200 is about to disengage from the electrode connecting hole 111, and subsequent assembly processes are facilitated.
In this embodiment, the connection anti-separation part 231 is a protrusion on the side of the second connection end 230 of the connection part 200, the pore diameters of the membrane pores 310 arranged on the ionic membrane 300 and the pore pores 410 arranged on the water distribution plate 400 are not smaller than the maximum size formed by the protrusion, so that the connection part 200 provided with the connection anti-separation part 231 can be smoothly inserted, the protrusion in the pore wall of the connection pore anti-separation part 113 in this embodiment can be set in the pore wall of the electrode connection hole 111, the pore diameter in the pore wall is smaller than the maximum size of the protrusion on the side of the second connection end 230, and the connection part 200 can not fall off during normal shaking.
In this embodiment, as shown in fig. 4, the first electrode 110 is a rectangular electrode, and 2 electrode connection holes 111 are disposed on the first electrode 110, where the 2 electrode connection holes 111 are centrosymmetric with respect to a central point of the rectangular electrode; the second electrode 120 is a rectangular electrode, and 2 electrode connection holes 111 are formed in the second electrode 120, where the 2 electrode connection holes 111 are symmetric with respect to a center point of the rectangular electrode; the above arrangement facilitates processing and production, and the 2 electrode connection holes 111 are arranged in central symmetry with respect to the center point of the rectangular electrode, which is advantageous to enhance the strength of the overall structure of the finally formed water treatment unit.
In addition, at least 2 connecting pieces 200 are arranged between the first electrode 110 and the second electrode 120, and the shape formed by connecting lines of the film holes 310 arranged on the ionic film 300 corresponding to the connecting pieces 200 is a central symmetrical figure about the central point of the ionic film 300; and/or at least 2 connecting pieces 200 are arranged between the first electrode 110 and the second electrode 120, the shape formed by the connection line of the plate holes 410 arranged on the water distribution plate 400 corresponding to the connecting pieces 200 is a centrosymmetric pattern about the central point of the water distribution plate 400, and the production and processing of the ionic membrane and the water distribution plate can be facilitated by arranging the membrane holes and the plate holes arranged on the ionic membrane and/or the water distribution plate corresponding to the connecting pieces 200 in a centrosymmetric manner, so that the patterns of the ionic membrane and the water distribution plate can be produced in the same manner, the production cost is reduced, the arrangement facilitates the installation of the ionic membrane and the water distribution plate, and the installation process does not need to consider the placing forward and backward directions of the ionic membrane and the water distribution plate.
The connecting holes may be disposed at any position, and as shown in the figure, a plurality of connecting holes may be disposed to be annularly arranged on the side of the corresponding component.
The invention has been described above in detail with reference to specific exemplary embodiments. It will, however, be understood that various modifications and changes may be made without departing from the scope of the invention as defined by the appended claims. The detailed description and drawings are to be regarded as illustrative rather than restrictive, and any such modifications and variations are intended to be included within the scope of the present invention as described herein. Furthermore, the background is intended to be illustrative of the present development and significance of the technology, and is not intended to limit the invention or the application and field of use of the invention.
More specifically, although exemplary embodiments of the invention have been described herein, the invention is not limited to these embodiments, but includes any and all embodiments modified, omitted, such as combinations between various embodiments, adapted changes and/or substitutions as would be recognized by those skilled in the art from the foregoing detailed description. The limitations in the claims are to be interpreted broadly based the language employed in the claims and not limited to examples described in the foregoing detailed description or during the prosecution of the application, which examples are to be construed as non-exclusive. Any steps recited in any method or process claims may be executed in any order and are not limited to the order presented in the claims. The scope of the invention should, therefore, be determined only by the appended claims and their legal equivalents, rather than by the descriptions and examples given above.
Claims (10)
1. A water treatment unit is characterized by comprising a first electrode (110) and a second electrode (120), wherein a first ionic membrane (130), a first water distribution plate (140), a second ionic membrane (150), a second water distribution plate (160) and a third ionic membrane (170) are sequentially arranged between the first electrode (110) and the second electrode (120) along the direction from the first electrode (110) to the second electrode (120);
the first ionic membrane (130) and the third ionic membrane (170) are ionic membranes which allow ions with the same charge to pass through, and the first ionic membrane (130) and the second ionic membrane (150) are ionic membranes which allow ions with different charges to pass through;
the water distribution plate is used for isolating adjacent ionic membranes and is used as a desalination or concentrated water channel.
2. A water treatment unit according to claim 1, wherein the electrode (100) comprises an electrode frame (101) and a conductive member (102), the electrode frame (101) forms a receiving space in the middle, and the conductive member (102) is arranged in the receiving space.
3. A water treatment unit according to claim 2, wherein the electrode frame (101) is provided with an electrode liquid inlet and outlet (520) and a conductive member (102), the electrode liquid inlet and outlet (520) are provided on both sides of the conductive member (102), and a water distribution protrusion (540) is provided between the electrode liquid inlet and outlet (520) and the conductive member (102).
4. A water treatment unit according to claim 3, further comprising an electric field applying means, said electric field applying means comprising a pole plate body (610), said pole plate body (610) being provided with a power transmission cable (634-1);
the plate body (610) includes: a first side (611);
a second side (612), the second side (612) being disposed in correspondence with the first side (611);
mounting holes;
the conductive unit comprises a conductive body (631) and a connecting line, the conductive body (631) corresponds to the mounting hole, and the connecting line is arranged on the second side (612) of the polar plate and used for connecting the conductive body (631) and the power transmission cable (634-1).
5. A water treatment unit according to claim 4, characterized by further comprising a graphite plate (620), wherein the graphite plate (620) is disposed on the first side (611), and the graphite plate (620) is provided with a power transmission through hole, and the power transmission through hole is disposed corresponding to the electric conductor (631).
6. A water treatment unit according to claim 4, characterized in that a flexible conductive member (180) is arranged between the plate body (610) and the electrode (100).
7. The water treatment unit of claim 1, wherein the water distribution plate comprises:
the water inlet and outlet holes (422) are formed in the upper part of the supporting frame (400);
the water distribution pore network (421), the water distribution pore network (421) is arranged on the periphery of the water inlet and outlet holes (422); and
the water distribution cavity (420) is arranged at the lower part of the water distribution pore network (421) and is used for collecting water flowing out of the water distribution pore network (421).
8. A water treatment unit according to claim 1, further comprising a connection mechanism comprising a connection member (200), wherein the first connection end (210) of the connection member (200) is connected to the first electrode (110) and the second connection end (230) of the connection member (200) is connected to the second electrode (120).
9. A water treatment unit according to claim 8, wherein at least one of the first connection end (210) and the second connection end (230) is non-penetrative connected to the corresponding electrode.
10. A water treatment apparatus comprising at least 1 water treatment unit according to any one of claims 1 to 9.
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| CN202220246528.7U CN217838457U (en) | 2022-01-30 | 2022-01-30 | Water treatment unit and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114368809A (en) * | 2022-01-30 | 2022-04-19 | 上海安江环保科技合伙企业(有限合伙) | Water treatment unit and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114368809A (en) * | 2022-01-30 | 2022-04-19 | 上海安江环保科技合伙企业(有限合伙) | Water treatment unit and device |
| CN114368809B (en) * | 2022-01-30 | 2024-07-02 | 上海安江环保科技合伙企业(有限合伙) | Water treatment unit and device |
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Effective date of registration: 20230109 Address after: 200125 building C, No. 888, Huanhu West 2nd Road, Lingang New Area, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Shanghai Hongji Water Industry Technology Co.,Ltd. Address before: Room 6142, building 6, No. 112-118, Gaoyi Road, Baoshan District, Shanghai 201900 Patentee before: Shanghai Anjiang environmental protection technology partnership (L.P.) |