CN211595116U - Special sealing water-through base plate for electrodeionization membrane stack - Google Patents
Special sealing water-through base plate for electrodeionization membrane stack Download PDFInfo
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- CN211595116U CN211595116U CN201922370025.1U CN201922370025U CN211595116U CN 211595116 U CN211595116 U CN 211595116U CN 201922370025 U CN201922370025 U CN 201922370025U CN 211595116 U CN211595116 U CN 211595116U
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- 238000007789 sealing Methods 0.000 title claims abstract description 212
- 239000012528 membrane Substances 0.000 title claims abstract description 27
- 238000009296 electrodeionization Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 215
- 239000013505 freshwater Substances 0.000 claims abstract description 61
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- 239000003011 anion exchange membrane Substances 0.000 description 2
- 238000005341 cation exchange Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000003957 anion exchange resin Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a special sealed water-through backing plate for an electrodeionization membrane stack, which comprises a concentrated water backing plate and a fresh water backing plate, wherein the upper part of the concentrated water backing plate is provided with a plurality of water inlets, the lower part of the concentrated water backing plate is provided with a plurality of water outlets, and the concentrated water backing plate is positioned between the water inlets and the water outlets and is provided with an inner hole; the fresh water base plate and the concentrated water base plate are provided with water inlets, water outlets and inner holes which are the same and equal in number in opposite positions, the concentrated water base plate is provided with a first sealing groove surrounding the inner holes and a second sealing groove surrounding the water inlets and the water outlets, and sealing rings are arranged in the first sealing groove and the second sealing groove; the fresh water base plate is provided with a first convex ring which is matched with the first sealing groove in shape and is inserted into the first sealing groove at a position opposite to the first sealing groove, and a second convex ring which is matched with the second sealing groove in shape and is inserted into the second sealing groove at a position opposite to the second sealing groove. The utility model discloses have the effect that improves water-flowing backing plate sealing performance, prevents inlet outlet and hole and leak.
Description
Technical Field
The utility model belongs to the technical field of ultrapure water preparation facilities's technique and specifically relates to a special sealed water-through backing plate of electrodeionization membrane stack is related to.
Background
Electrodeionization (EDI) is a pure water manufacturing technique that combines ion exchange technology, ion exchange membrane technology, and ion electromigration technology. The method skillfully combines electrodialysis and ion exchange technologies, utilizes high voltage of electrodes at two ends to move charged ions in water, and is matched with ion exchange resin and selective resin membranes to accelerate the removal of the ions, thereby achieving the purpose of water purification. The electrodeionization membrane stack mainly comprises cation exchange membranes and anion exchange membranes which are alternately arranged, separators of a concentrated water chamber and a fresh water chamber, a positive electrode and a negative electrode, and the like, wherein the fresh water chamber is filled with anion exchange resin layers and cation exchange resin layers which are mixed in a certain proportion. The clapboard is used for separating the anion-cation exchange membrane from the cation-anion exchange membrane to form a fresh water chamber and a concentrated water chamber. Therefore, the partition plate plays a key role in the electrodeionization device, and the water-resisting effect and the water-passing effect of the partition plate are directly related to the quality of water purification.
Chinese utility model patent that the bulletin number is CN206384903U discloses a modified EDI membrane stack seal structure, including the water board, the fretwork of water board middle part forms the fretwork region, is provided with the water inlet on the face of fretwork region upper end, is provided with the delivery port on the face of fretwork region lower extreme, encircles the fretwork region and is provided with the inside groove, and the inside groove is inlayed and is had the sealing washer, encircles the water inlet and is provided with the water inlet recess, and the water inlet recess is inlayed and is had the sealing washer that intakes, encircles the delivery port and be provided with the delivery port recess, and the delivery port recess. This prior art prevents the seepage of water through fluting on the water board, inlay the sealing washer in the recess.
The above prior art has the following disadvantages: this prior art is equivalent to set up the sealing washer between two relative recesses, when constituting the membrane to the time with the water board, thereby the recess of adjacent water board is corresponding to make and form fixed cavity between the recess, and the pressure that the sealing washer that is located the cavity receives is less, produces easily and leaks, especially relative recess can not correspond completely and makes cavity and outside change the condition that appears leaking when having the clearance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a special sealed water cushion that leads to of electrodeionization membrane stack has the effect that improves water cushion sealing performance, prevents inlet outlet and hole and leak.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a special sealed water-through base plate for an electrodeionization membrane stack comprises a concentrated water base plate and a fresh water base plate which is arranged opposite to the concentrated water base plate and is matched with the concentrated water base plate in shape, wherein a plurality of water inlets are formed in the upper part of the concentrated water base plate, a plurality of water outlets are formed in the lower part of the concentrated water base plate, and an inner hole is formed in the concentrated water base plate between the water inlets and the water outlets; the relative position of fresh water backing plate and dense water backing plate is provided with water inlet and delivery port and the hole that the same and quantity equals, its characterized in that: a first sealing groove surrounding the inner hole is formed in the thick water base plate, a second sealing groove surrounding the water inlet and the water outlet is formed in the thick water base plate, and sealing rings are arranged in the first sealing groove and the second sealing groove; the fresh water base plate is provided with a first convex ring which is matched with the first sealing groove in shape and can be inserted into the first sealing groove, and the fresh water base plate is provided with a second convex ring which is matched with the second sealing groove in shape and can be inserted into the second sealing groove.
Through adopting above-mentioned technical scheme, when carrying out the equipment of membrane stack, put into the seal groove of dense water backing plate with the sealing washer, later insert the bulge loop of fresh water backing plate in the seal groove of dense water backing plate to compress tightly the sealing washer in the seal groove, make the sealing performance in inlet outlet and interior hole department increase.
The utility model discloses further set up to: a third sealing groove surrounding the water inlet, the water outlet and the inner hole is formed in the concentrated water base plate; a sealing ring is arranged in the third sealing groove; and a third convex ring which is matched with the third sealing groove in shape and can be inserted into the third sealing groove is arranged on the fresh water base plate at a position opposite to the third sealing groove.
Through adopting above-mentioned technical scheme, set up third seal structure in water inlet, delivery port and hole periphery, can guarantee under the condition that damage appears in first seal structure that the water in the hole can not leak to the membrane heap outside.
A special sealed water-through base plate for an electrodeionization membrane stack comprises a concentrated water base plate and a fresh water base plate which is arranged opposite to the concentrated water base plate and is matched with the concentrated water base plate in shape, wherein a plurality of water inlets are formed in the upper part of the concentrated water base plate, a plurality of water outlets are formed in the lower part of the concentrated water base plate, and an inner hole is formed in the concentrated water base plate between the water inlets and the water outlets; the relative position of fresh water backing plate and dense water backing plate is provided with water inlet and delivery port and the hole that the same and quantity equals, its characterized in that: the following steps: a first sealing groove surrounding the inner hole is formed in the thick water base plate, a second sealing groove surrounding the water inlet and the water outlet is formed in the thick water base plate, and sealing rings are arranged in the first sealing groove and the second sealing groove; the sealing ring is provided with a ring edge extending out of the first sealing groove and the second sealing groove respectively; the fresh water base plate is provided with a first sealing groove and a second sealing groove, wherein the first sealing groove is arranged on the fresh water base plate, the second sealing groove is arranged on the fresh water base plate, and the first sealing groove is arranged on the fresh water base plate.
By adopting the technical scheme, the sealing ring is placed in the groove corresponding to the thick water base plate and the fresh water base plate, the sealing ring is tightly clamped in the groove by the corresponding groove, the ring edge of the sealing ring extends out of the sealing groove and is tightly clamped between the opposite end faces of the groove, the ring edge can be further waterproof on the waterproof basis of the sealing ring, and the sealing performance of the water inlet/outlet and the inner hole is improved.
The utility model discloses a further set up to: a third sealing groove surrounding the water inlet, the water outlet and the inner hole is formed in the concentrated water base plate; a sealing ring is arranged in the third sealing groove, and a ring edge extending out of the third sealing groove is arranged on the sealing ring; and a groove matched with the third sealing groove in shape is arranged on the fresh water base plate at a position opposite to the third sealing groove.
Through adopting above-mentioned technical scheme, set up third seal structure in water inlet, delivery port and hole periphery, can guarantee under the condition that damage appears in first seal structure that the water in the hole can not leak to the membrane heap outside.
The utility model discloses further set up to: the sealing ring in the first sealing groove is connected with the sealing ring in the second sealing groove by a connecting strip; the sealing ring in the second sealing groove is connected with the sealing ring in the third sealing groove by a connecting strip; and the sealing rings in the first sealing grooves are connected by using connecting strips.
Through adopting above-mentioned technical scheme, because the sealing washer that needs the dress is more, for avoiding neglected loading sealing washer in the installation, with first sealing washer, second sealing washer and the integrative setting of third sealing washer, can effectively avoid the emergence of the above-mentioned neglected loading condition.
The utility model discloses further set up to: the fresh water base plate is provided with a plurality of positioning holes; a positioning block extending towards the direction far away from the thick water base plate is arranged on the position, opposite to the positioning hole, of the thick water base plate; the positioning block is matched with the positioning hole in shape and can be inserted into the positioning hole.
By adopting the technical scheme, the combination installation of the thick water base plate and the fresh water base plate can be facilitated by the matching of the positioning holes and the positioning blocks.
The utility model discloses further set up to: an identification groove is formed in the edge position of the concentrated water base plate; the same identification groove is arranged on the position of the fresh water base plate opposite to the identification groove of the concentrated water base plate.
Through adopting above-mentioned technical scheme, can avoid adorning the backing plate anti-reversely through setting up the discernment groove.
The utility model discloses further set up to: bolt holes surrounding the third sealing groove are formed in the concentrated water base plate and located outside the third sealing groove at intervals; the positions, opposite to the bolt holes of the concentrated water base plate, of the fresh water base plate are provided with the same number of bolt holes; and a plurality of reinforcing ribs are arranged between the bolt holes on the opposite surfaces of the concentrated water base plate and the fresh water base plate.
Through adopting above-mentioned technical scheme, the strengthening rib can show the intensity that promotes dense water backing plate, reduces the degree that the backing plate takes place to warp in the clamping process.
To sum up, the utility model discloses a beneficial technological effect does:
1. by arranging the multilayer sealing structure, the sealing performance of the water passing base plate is effectively improved, and the possibility of water leakage can be reduced;
2. through set up the strengthening rib on dense water backing plate, show the intensity that promotes dense water backing plate, reduce dense water backing plate and take place the degree that warp at the clamping process.
Drawings
FIG. 1 is a schematic structural view of the concentrated water pad of the present invention;
fig. 2 is a schematic view of the utility model after a seal ring is added to the concentrated water cushion plate;
fig. 3 is a schematic structural view of the fresh water pad of the present invention;
fig. 4 is another schematic structural diagram of the fresh water base plate of the present invention;
fig. 5 is a schematic structural diagram of the sealing ring of the present invention;
fig. 6 is another schematic structural diagram of the sealing ring of the present invention.
In the figure, 100, a concentrated water cushion plate; 101. an inner bore; 102. a first water inlet; 103. a second water inlet; 104. a first water outlet; 105. a second water outlet; 106. a first seal groove; 107. a second seal groove; 108. a third seal groove; 109. bolt holes; 110. positioning blocks; 111. identifying a slot; 112. reinforcing ribs; 200. a fresh water base plate; 201. a first convex ring; 202. a second convex ring; 203. a third convex ring; 204. positioning holes; 300. a first seal ring; 301. a first loop edge; 400. a second seal ring; 401. a second loop edge; 500. a third seal ring; 501. a third circle edge; 600. a first connecting bar; 700. a second connecting strip; 800. and a third connecting strip.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1 and 2, for the utility model discloses a special sealed water-through backing plate for electrodeionization membrane stack, including dense water backing plate 100, dense water backing plate 100 upper portion is provided with the water inlet that runs through the face, and the lower part is provided with the delivery port that runs through the face. In this embodiment, two water inlets and two water outlets are respectively provided, including a first water inlet 102 and a second water inlet 103 which are arranged at an interval on the upper portion of the thick water cushion 100, and a first water outlet 104 and a second water outlet 105 which are arranged at an interval on the lower portion of the thick water cushion 100. The diameters of the first water inlet 102 and the second water inlet 103 are not equal, and the diameters of the first water outlet 104 and the second water outlet 105 are not equal, so that the purposes of different water inlets and water outlets can be conveniently identified. The water inlet and outlet are integrally formed with the thick water pad 100.
An inner hole 101 penetrating through the plate surface is formed in the position, between the water inlet and the water outlet, of the thick water cushion plate 100, and a distance is reserved between the inner hole 101 and the water inlet and the water outlet. The dense water cushion plate 100 is provided with a first sealing groove 106 which surrounds the inner hole 101 and is matched with the inner hole 101 in shape, and a first sealing ring 300 is placed in the first sealing groove 106. The first seal groove 106 is located between the water inlet and the water outlet.
A second sealing groove 107 surrounding the water outlet and the water inlet and respectively matched with the water inlet and the water outlet in shape is arranged at the positions of the water inlet and the water outlet on the concentrated water cushion plate 100, and a second sealing ring 400 is arranged in the second sealing groove 107.
A third sealing groove 108 surrounding the water inlet, the water outlet and the inner hole 101 is arranged on the periphery of the water inlet, the water outlet and the inner hole 101 on the concentrated water cushion plate 100, and a third sealing ring 500 is arranged in the third sealing groove 108.
Referring to fig. 3, a fresh water pad 200 is provided opposite to the concentrated water pad 100 and has a shape matching the concentrated water pad. The fresh water cushion plate 200 and the concentrated water cushion plate 100 are provided with the same inner hole 101, a first water inlet 102, a second water inlet 103, a first water outlet 104 and a second water outlet 105 at opposite positions.
A first convex ring 201 matched with the first sealing groove 106 in shape is arranged on the fresh water base plate 200 opposite to the first sealing groove 106 of the concentrated water base plate 100, and the first convex ring 201 is in interference insertion fit with the first sealing groove 106 so as to press the first sealing ring 300 in the first sealing groove 106.
A second convex ring 202 matched with the shape of the second seal groove 107 is arranged on the fresh water shim plate 200 opposite to the second seal groove 107 of the concentrated water shim plate 100, and the second convex ring 202 is in interference insertion fit with the second seal groove 107 so as to press the second seal ring 400 in the second seal groove 107.
A third convex ring 203 which is matched with the third sealing groove 108 in shape is arranged on the fresh water pad 200 opposite to the third sealing groove 108 of the concentrated water pad 100, and the third convex ring 203 is in interference insertion fit with the third sealing groove 108 so as to press the third sealing ring 500 in the third sealing groove 108.
The first convex ring 201, the second convex ring 202 and the third convex ring 203 are respectively formed integrally with the fresh water base plate 200.
A plurality of bolt holes 109 which surround the third seal groove 108 and are arranged at intervals and enclose a circle are arranged outside the third seal groove 108 on the thick water cushion plate 100, and the bolt holes 109 with the same number are arranged on the fresh water cushion plate 200 at positions opposite to the bolt holes 109 of the thick water cushion plate 100. After the thick water mat 100 and the fresh water mat 200 are butted, the thick water mat 100 and the fresh water mat 200 are fastened by screws inserted through the bolt holes 109.
A plurality of positioning holes 204 are arranged on the fresh water cushion plate 200 between the first convex ring 201 and the third convex ring 203, and a positioning block 110 extending away from the concentrated water cushion plate 100 is arranged on the concentrated water cushion plate 100 opposite to the positioning holes 204. The positioning block 110 is integrally formed with the thick water pad 100. The positioning block 110 is matched in shape to the positioning hole 204 and can be inserted into the positioning hole 204. The positioning block 110 is matched with the positioning hole 204, so that the water-through base plate can be assembled and installed conveniently.
The vertical edge position of the upper part of the concentrated water cushion plate 100 is provided with an identification groove 111, and the position of the fresh water cushion plate 200 opposite to the identification groove 111 of the concentrated water cushion plate 100 is provided with the same identification groove 111. The identification groove 111 is used for marking the front and the back of the water through cushion plate.
A plurality of reinforcing ribs 112 are arranged between the bolt holes 109 on the surface of the concentrated water cushion plate 100 opposite to the fresh water cushion plate 200, the reinforcing ribs 112 can enhance the strength of the concentrated water cushion plate 100, and the deformation degree of the concentrated water cushion plate 100 and the influence degree of the water pressure on the cushion plate during working when the concentrated water cushion plate 100 and the fresh water cushion plate 200 are clamped are reduced.
The implementation principle of the embodiment is as follows: after the first sealing ring 300 is placed in the first sealing groove 106, the second sealing ring 400 is placed in the second sealing groove 107, and the third sealing ring 500 is placed in the third sealing groove 108, the fresh water base plate 200 is opposite to the concentrated water base plate 100, the first convex ring 201 is inserted into the first sealing groove 106, the second convex ring 202 is inserted into the second sealing groove 107, and the third convex ring 203 is inserted into the third sealing groove 108, the adjacent base plates are fastened by using a screw, the first sealing ring 300 is pressed in the first sealing groove 106 by the first convex ring 201, the second sealing ring 400 is pressed in the second sealing groove 107 by the second convex ring 202, and the third sealing ring 500 is pressed in the third sealing groove 108 by the third convex ring 203, so that the waterproof effect of the water passing base plate can be remarkably improved.
Example two
Referring to fig. 1 and 4, in order to disclose a special sealing and water-passing cushion plate for an electrodeionization membrane stack of the present invention, a first sealing groove 106 is provided at a position on a fresh water cushion plate 200 opposite to the first sealing groove 106 of a concentrated water cushion plate 100 in this embodiment. Referring to fig. 5, a first seal ring 300 is disposed between the two opposing first seal grooves 106. The first sealing ring 300 is horizontally provided with a first ring edge 301 which is integrally formed with the first sealing ring 300.
The fresh water pad 200 is provided with the same second seal groove 107 at a position opposite to the second seal groove 107 of the thick water pad 100. A second seal ring 400 is disposed between two opposing second seal grooves 107. A second ring edge 401 integrally formed with the second seal ring 400 is horizontally disposed on the second seal ring 400.
The fresh water mat 200 is provided with the same third seal groove 108 at a position opposite to the third seal groove 108 of the thick water mat 100. A third seal ring 500 is disposed between two opposing third seal grooves 108. A third edge 501 integrally formed with the third seal ring 500 is horizontally disposed on the third seal ring 500.
The implementation principle of the embodiment is as follows: the first sealing ring 300 is placed in the two opposite first sealing grooves 106, the second sealing ring 400 is placed in the two opposite second sealing grooves 107, the third sealing ring 500 is placed in the two opposite third sealing grooves 108, and then the adjacent fresh water base plate 200 and the thick water base plate 100 are clamped by the screws. The opposite sealing grooves clamp the sealing ring inside so as to achieve the effect of leakage prevention. The ring edges are respectively positioned outside the sealing grooves, and the two opposite end faces of the sealing grooves clamp the ring edges, so that the leakage-proof effect is further improved.
EXAMPLE III
Referring to fig. 1 and 6, in order to provide a sealing and water-passing cushion plate for an electrodeionization membrane stack, the difference from the second embodiment is that the first rim 301 of the first sealing ring 300 is connected to the second sealing ring 400 by the first connecting strip 600, the second rim 402 of the second sealing ring 400 is connected to the third sealing ring 500 by the second connecting strip 700, and the first rim 301 of the first sealing ring 300 is connected to the third sealing ring 500 by the third connecting strip 800. The first connection bar 600 is integrally formed with the first and second seal rings 300 and 400, respectively. The second connection bar 700 is integrally formed with the second and third seal rings 400 and 500, respectively. The third connection strip 800 is integrally formed with the first seal ring 300 and the third seal ring 500, respectively.
The implementation principle of the embodiment is as follows: the first sealing ring 300 is placed in the two opposite first sealing grooves 106, the second sealing ring 400 is placed in the two opposite second sealing grooves 107, the third sealing ring 500 is placed in the two opposite third sealing grooves 108, and then the adjacent fresh water base plate 200 and the thick water base plate 100 are clamped by the screws. The opposite sealing grooves clamp the sealing ring inside so as to achieve the effect of leakage prevention. The ring edges are respectively positioned outside the sealing grooves, and the two opposite end faces of the sealing grooves clamp the ring edges, so that the leakage-proof effect is further improved. The first sealing ring 300, the second sealing ring 400 and the third sealing ring 500 are integrally formed, and due to the fact that more sealing rings are installed, the sealing rings can be prevented from being neglected when being installed due to the integrally connected arrangement.
The embodiment of the above-mentioned specific embodiment is the preferred embodiment of the present invention, which is not limited according to this, the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A special sealed water-through base plate for an electrodeionization membrane stack comprises a concentrated water base plate (100) and a fresh water base plate (200) which is arranged opposite to the concentrated water base plate (100) and is matched with the concentrated water base plate in shape, wherein a plurality of water inlets are formed in the upper part of the concentrated water base plate (100), a plurality of water outlets are formed in the lower part of the concentrated water base plate (100), and an inner hole (101) is formed between each water inlet and each water outlet in the concentrated water base plate (100); the relative position of fresh water backing plate (200) and dense water backing plate (100) is provided with water inlet and delivery port and hole (101) that the same and quantity equals, its characterized in that: a first sealing groove (106) surrounding an inner hole (101) is formed in the concentrated water base plate (100), a second sealing groove (107) surrounding a water inlet and a water outlet is formed in the concentrated water base plate (100), and sealing rings are arranged in the first sealing groove (106) and the second sealing groove (107); the fresh water base plate (200) is provided with a first convex ring (201) which is matched with the first sealing groove (106) in shape and can be inserted into the first sealing groove (106) at a position opposite to the first sealing groove (106), and a second convex ring (202) which is matched with the second sealing groove (107) in shape and can be inserted into the second sealing groove (107) is arranged at a position opposite to the second sealing groove (107) on the fresh water base plate (200).
2. The special sealing water-through pad plate for the electrodeionization membrane stack as claimed in claim 1, wherein: a third sealing groove (108) surrounding the water inlet, the water outlet and the inner hole (101) is formed in the concentrated water base plate (100); a sealing ring is arranged in the third sealing groove (108); and a third convex ring (203) which is matched with the third sealing groove (108) in shape and can be inserted into the third sealing groove (108) is arranged at the position, opposite to the third sealing groove (108), on the fresh water base plate (200).
3. A special sealed water-through base plate for an electrodeionization membrane stack comprises a concentrated water base plate (100) and a fresh water base plate (200) which is arranged opposite to the concentrated water base plate (100) and is matched with the concentrated water base plate in shape, wherein a plurality of water inlets are formed in the upper part of the concentrated water base plate (100), a plurality of water outlets are formed in the lower part of the concentrated water base plate (100), and an inner hole (101) is formed between each water inlet and each water outlet in the concentrated water base plate (100); the relative position of fresh water backing plate (200) and dense water backing plate (100) is provided with water inlet and delivery port and hole (101) that the same and quantity equals, its characterized in that: a first sealing groove (106) surrounding an inner hole (101) is formed in the concentrated water base plate (100), a second sealing groove (107) surrounding a water inlet and a water outlet is formed in the concentrated water base plate (100), and sealing rings are arranged in the first sealing groove (106) and the second sealing groove (107); the sealing ring is provided with ring edges extending out of the first sealing groove (106) and the second sealing groove (107) respectively; the fresh water base plate (200) is provided with a groove which is matched with the first sealing groove (106) in shape at a position opposite to the first sealing groove (106), and the fresh water base plate (200) is provided with a groove which is matched with the second sealing groove (107) in shape at a position opposite to the second sealing groove (107).
4. The special sealing water-through pad plate for the electrodeionization membrane stack as claimed in claim 3, wherein: a third sealing groove (108) surrounding the water inlet, the water outlet and the inner hole (101) is formed in the concentrated water base plate (100); a sealing ring is arranged in the third sealing groove (108), and a ring edge extending out of the third sealing groove (108) is arranged on the sealing ring; and a groove matched with the third sealing groove (108) in shape is arranged at the position, opposite to the third sealing groove (108), of the fresh water base plate (200).
5. The special sealing water-through pad plate for the electrodeionization membrane stack as claimed in claim 4, wherein: the sealing ring in the first sealing groove (106) is connected with the sealing ring in the second sealing groove (107) by a connecting strip; the sealing ring in the second sealing groove (107) is connected with the sealing ring in the third sealing groove (108) by a connecting strip; the sealing ring in the first sealing groove (106) is connected with the sealing ring in the third sealing groove (108) by a connecting strip.
6. The special sealing water-through pad plate for the electrodeionization membrane stack as claimed in claim 1 or 3, wherein: a plurality of positioning holes (204) are formed in the fresh water base plate (200); a positioning block (110) extending in the direction away from the concentrated water cushion plate (100) is arranged at the position, opposite to the positioning hole (204), on the concentrated water cushion plate (100); the positioning block (110) is matched with the positioning hole (204) in shape and can be inserted into the positioning hole (204).
7. The special sealing water-through pad plate for the electrodeionization membrane stack as claimed in claim 1 or 3, wherein: an identification groove (111) is formed in the edge position of the concentrated water cushion plate (100); the fresh water cushion plate (200) is provided with the same identification groove (111) at the position opposite to the identification groove (111) of the concentrated water cushion plate (100).
8. The special sealing water-through pad plate for the electrodeionization membrane stack as claimed in claim 2 or 4, wherein: bolt holes (109) surrounding the third sealing groove (108) are formed in the concentrated water base plate (100) and located outside the third sealing groove (108) at intervals; the positions, opposite to the bolt holes (109) of the concentrated water cushion plate (100), of the fresh water cushion plate (200) are provided with the same number of bolt holes (109); and a plurality of reinforcing ribs (112) are arranged between the bolt holes (109) on the surface of the concentrated water base plate (100) opposite to the fresh water base plate (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922370025.1U CN211595116U (en) | 2019-12-24 | 2019-12-24 | Special sealing water-through base plate for electrodeionization membrane stack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922370025.1U CN211595116U (en) | 2019-12-24 | 2019-12-24 | Special sealing water-through base plate for electrodeionization membrane stack |
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| Publication Number | Publication Date |
|---|---|
| CN211595116U true CN211595116U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922370025.1U Active CN211595116U (en) | 2019-12-24 | 2019-12-24 | Special sealing water-through base plate for electrodeionization membrane stack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211595116U (en) |
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