CN212819170U - High-pressure ladder-shaped nanofiltration membrane element - Google Patents
High-pressure ladder-shaped nanofiltration membrane element Download PDFInfo
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- CN212819170U CN212819170U CN202020858043.4U CN202020858043U CN212819170U CN 212819170 U CN212819170 U CN 212819170U CN 202020858043 U CN202020858043 U CN 202020858043U CN 212819170 U CN212819170 U CN 212819170U
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- center tube
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Abstract
The utility model discloses a high pressure trapezoidal nanofiltration membrane component, including the center tube, a plurality of nanofiltration membrane group and support piece, support piece installs in the center tube, a plurality of nanofiltration membrane group twine are on the center tube, support piece is including the backup pad of support core and evenly distributed around the support core, a plurality of inlet openings have been seted up on the pipe wall of center tube, inlet opening evenly distributed around the pipe wall of center tube and with the inner chamber intercommunication of center tube, the inner chamber of center tube is equipped with a plurality of bellied strengthening ribs, set up on the strengthening rib with backup pad complex mounting groove, the mounting groove is unanimous with backup pad quantity and one-to-one. The utility model discloses a membrane element is received to high pressure trapezoidal nanofiltration, trapezoidal pole can effectively improve the bearing capacity who receives the filter membrane group, and the compressive strength of center tube can be improved in strengthening rib and support piece's cooperation, and the both sides of producing the water conservancy and leading cloth are seted up and are improved the gluey line position and glue the volume and hold the gluey hole of gluing, can improve the banding firmness of receiving the filter membrane, improve the pressure-resistant performance that the membrane element was received to the trapezoidal nanofiltration of pressure.
Description
Technical Field
The utility model relates to a water treatment technical field especially relates to a high pressure ladder type nanofiltration membrane element.
Background
With the wide application of nanofiltration technology, the pressure resistance and water collection capacity of the nanofiltration membrane element, which is an important component of nanofiltration equipment, directly affect the working efficiency of the nanofiltration equipment. At present, the strength of the traditional nanofiltration membrane element cannot meet higher requirements, so that a high-strength nanofiltration membrane element is urgently needed to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: with the wide application of nanofiltration technology, the strength of the traditional nanofiltration membrane element cannot meet higher requirements.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high pressure ladder type nanofiltration membrane element, includes center tube, a plurality of nanofiltration membrane group and support piece, support piece installs in the center tube, it is a plurality of nanofiltration membrane group twines on the center tube, support piece is in including support core and evenly distributed support pad around the support core, a plurality of inlet openings have been seted up on the pipe wall of center tube, inlet opening evenly distributed be in the pipe wall of center tube around and with the inner chamber intercommunication of center tube, the inner chamber of center tube is equipped with a plurality of bellied strengthening ribs, seted up on the strengthening rib with backup pad complex mounting groove, the mounting groove with the unanimous and the one-to-one of backup pad quantity.
Further, the reinforcing ribs are arranged in parallel with the axis of the central tube, the length of the reinforcing ribs is identical to that of the central tube, and the supporting pieces are shorter than that of the central tube.
Further, the water inlet holes are four groups in total, and each group of the water inlet holes is twelve.
Furthermore, the number of the reinforcing ribs is four, and each reinforcing rib is located between two groups of water inlet holes.
Furthermore, the nanofiltration membrane group comprises water flow guide cloth, ladder-shaped separation nets and nanofiltration membranes, the water flow guide cloth surrounds and covers the central pipe, one nanofiltration membrane is arranged between every two adjacent water flow guide cloth, the nanofiltration membranes are oppositely folded along the axis membrane surface of the central pipe, the opposite folded edges of the nanofiltration membranes are close to one side of the central pipe, and the ladder-shaped separation nets are arranged between the opposite folded surfaces of the nanofiltration membranes.
Furthermore, the trapezoidal screen surface parallel arrangement has a plurality of first supporting bars, two be equipped with a plurality of second support bars between the first supporting bar, the thickness of second support bar is less than the thickness of first supporting bar.
Further, the high-pressure ladder-type nanofiltration membrane element further comprises fixing adhesive tapes and an outer shell, wherein the fixing adhesive tapes are fixedly wound at two ends and in the middle of the nanofiltration membrane group, and the outer shell is fixedly arranged outside the nanofiltration membrane group.
Further, the number of nanofiltration membrane groups is two, three, five or ten.
Furthermore, the shell is made of glass fiber.
The utility model has the advantages that:
the utility model discloses a high-pressure ladder-type nanofiltration membrane element, a plurality of product water flow guide cloth are wound on a central tube, a folded nanofiltration membrane is arranged between the product water flow guide cloth, a ladder-type separation net is arranged between the folded surfaces of the nanofiltration membrane, a first supporting strip for supporting a nanofiltration membrane group is arranged on the ladder-type separation net, when the ladder-type separation net is wound, the first supporting strip is uniformly distributed around the central tube, because the ladder-type separation net is made of plastic material with certain hardness, after a plurality of groups of nanofiltration membrane groups are wound, the uniformly distributed first supporting strip is supported inside the nanofiltration membrane group to prevent the nanofiltration membrane group from being bent, thereby effectively improving the bearing capacity of the nanofiltration membrane group, a reinforcing rib and a supporting piece for supporting the nanofiltration membrane element are arranged in the central tube, the compression strength of the central tube can be effectively improved by the matching of the reinforcing rib and the supporting piece, glue permeating holes are arranged on two sides of the product water flow guide cloth, the glue permeating holes can effectively improve the glue permeating amount and the glue containing amount of the glue line position, thereby improving the edge sealing firmness of the nanofiltration membrane and enhancing the pressure resistance of the high-pressure ladder-type nanofiltration membrane element.
Drawings
Fig. 1 is a schematic structural view of a high-pressure ladder-type nanofiltration membrane element of the present invention;
fig. 2 is a schematic structural view of the high-pressure ladder-type nanofiltration membrane element shown in fig. 1 for removing the outer shell;
fig. 3 is a schematic structural view of a central tube and a produced water flow guide cloth in the high-pressure ladder-type nanofiltration membrane element shown in fig. 1;
fig. 4 is a schematic structural view of a ladder-type separation net and a nanofiltration membrane sheet in the nanofiltration membrane group shown in fig. 2;
fig. 5 is a schematic structural view of a ladder-type separation net in the nanofiltration membrane module shown in fig. 4;
FIG. 6 is an enlarged view of a portion of the ladder type spacer net shown in FIG. 5;
fig. 7 is a left side view of a center tube with a support member built therein in the high-pressure ladder-type nanofiltration membrane element shown in fig. 3;
fig. 8 is a perspective view of the supporter shown in fig. 7.
In the figure: 100. high-pressure ladder type nanofiltration membrane element, 1, center tube, 2, nanofiltration membrane group, 3, fixed adhesive tape, 4, shell, 5, sealant, 6, support piece, 11, inlet opening, 12, strengthening rib, 21, product water flow guide cloth, 22, ladder type separation net, 23, nanofiltration membrane, 61, support core, 62, backup pad, 121, mounting groove, 211, glue penetration hole, 221, ladder-shaped rod, 621, through hole.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.
As shown in fig. 1 to 7, the utility model provides a high pressure ladder type receives filter membrane component 100, receive filter membrane component 100 including center tube 1, receive filter membrane group 2, fixed sticky tape 3, shell 4 and support piece 6, it has the multiunit to receive filter membrane group 2, it all winds on center tube 1 to receive filter membrane group 2 to receive filter membrane group of every group, fixed sticky tape 3 is fixed to be twined at the both ends and the centre of receiving filter membrane group 2, 4 covers of shell are located and are received filter membrane group 2 outside, support piece 6 installs in center tube 1, in this embodiment, it is two to receive filter membrane group 2's quantity, three, five or ten, shell 4's material is glass fiber.
A plurality of inlet openings 11 have been seted up on the pipe wall of center tube 1, inlet opening 11 evenly distributed is around the pipe wall of center tube 1 and with the inner chamber intercommunication of center tube 1, the inner chamber of center tube 1 is equipped with a plurality of bellied strengthening ribs 12, strengthening rib 12 is arc, strengthening rib 12 is unanimous with the length of center tube 1 with the length of the axis parallel arrangement of center tube 1 and strengthening rib 12, the mounting groove 121 that is used for installing support piece 6 is all seted up at the circular arc top of every strengthening rib 12, mounting groove 121 and the 1 axis parallel arrangement of center tube, in this embodiment, 11 total four groups of inlet openings, every group inlet opening 11 has twelve, strengthening rib 12 has four, every strengthening rib 12 is located between two sets of inlet openings.
The nanofiltration membrane group 2 comprises water flow guide cloth 21, ladder-shaped separation nets 22 and nanofiltration membranes 23, the water flow guide cloth 21 surrounds and covers the center pipe 1, a nanofiltration membrane 23 is arranged between every two adjacent water flow guide cloth 21, the nanofiltration membranes 23 surround and cover the center pipe 1 and are oppositely folded along the axis membrane surface of the center pipe 1, the folded edges of the nanofiltration membranes 23 are arranged at one side close to the connecting part of the water flow guide cloth 21 and the center pipe 1, the ladder-shaped separation nets 22 are arranged between the two folded surfaces of the nanofiltration membranes 23, the ladder-shaped separation nets 22 are in a ladder-shaped structure, a plurality of first support bars 221 for supporting the nanofiltration membrane group 2 are arranged on the surface of the ladder-shaped separation nets 22 in parallel, a plurality of second support bars 222 are arranged between the two first support bars 221 in parallel, the thickness of the second support bars 222 is smaller than that of the first support bars 221, and a sealant 5 which is glued between the two side edges of the adjacent water flow guide cloth 21 and one edge far away from the center pipe 1, the two sides of the water flow guide cloth 21 are provided with glue penetrating holes 211 for improving the glue penetrating amount.
The length of support piece 6 is shorter than the length of center tube 1, and support piece 6 includes support core 61 and evenly sets up the backup pad 62 around support core 61, and the mounting groove 121 quantity on backup pad 62 and the strengthening rib 12 is unanimous and the one-to-one, all sets up a plurality of through-holes 621 with the inner chamber intercommunication of center tube 1 on every backup pad 62, and in this embodiment, backup pad 62 has four.
During installation, the supporting plate 62 of the supporting member 6 corresponds to the installation groove 121 on the reinforcing rib 12 in the central tube 1, the supporting member 6 is installed inside the central tube 1 by matching the supporting plate 62 with the installation groove 121, a plurality of water flow guiding cloths 21 are uniformly fixed on the central tube 1 along the circumferential direction of the central tube 1, two ends of the central tube 1 are fixed by a rotatable clamp, a plurality of nanofiltration membranes 23 are oppositely folded to form folds, a ladder-shaped spacer net 22 is placed between the two folded layers of each nanofiltration membrane 23, the treated nanofiltration membranes 23 and the ladder-shaped spacer nets 22 are inserted between the water flow guiding cloths 21 at intervals, wherein the folded ends of the nanofiltration membranes 23 are positioned in the gaps between the water flow guiding cloths 21 and are close to the central tube 1, and the operation is repeated until a plurality of groups of nanofiltration membranes 23 are all plugged in. In the process of plugging the nanofiltration membrane 23, three sides of the outer side of the joint area of the nanofiltration membrane 23 and the produced water flow guide cloth 21 are coated with the sealant 5, one side of the nanofiltration membrane 23 and one side of the produced water flow guide cloth 21 close to the central tube 1 are not coated with the sealant, and the above operations are repeated, so that the sealant 5 is diffused to the nanofiltration membrane 23 through the glue permeation holes 211 in the produced water flow guide cloth 21. After the completion, the nanofiltration membrane group 2 formed by the produced water flow guide cloth 21, the ladder-type separation net 22 and the nanofiltration membrane 23 is wound on the central pipe 1, the fixing tapes 3 are wound at both ends and in the middle of the nanofiltration membrane group 2 to prevent the nanofiltration membrane group 2 from being loosened, and the nanofiltration membrane group 2 is uniformly coated with glass cement to form the outer shell 4 after the winding is completed.
When the nanofiltration membrane element 100 is used, raw water enters from a position between the ladder-shaped separation net 22 and the nanofiltration membrane 23 on one side of the nanofiltration membrane element 100, the edges of the produced water flow guide cloth 21 and the nanofiltration membrane 23 are bonded by the sealant 5, and the sealant 5 is not arranged between the nanofiltration membrane 23 and the ladder-shaped separation net 22, so that the raw water can only enter the membrane element 100 from a position between the ladder-shaped separation net 22 and the nanofiltration membrane 23, at the moment, part of the raw water passes through the folded nanofiltration membrane 23, enters the produced water flow guide cloth 21 and then flows into an inner cavity of the central tube 1 through the water inlet hole 11 in the central tube 1 along the direction of the produced water flow guide cloth 21, and the produced water is mixed through the through hole 621. The unfiltered water between the nanofiltration membrane 23 and the ladder-type separation net 22 flows out from the space between the ladder-type separation net 22 and the nanofiltration membrane 23 on the other side of the nanofiltration membrane element 100 to form concentrated water.
The utility model discloses a high pressure ladder type nanofiltration membrane component 100, it has a plurality of product rivers to lead cloth 21 to coil on the center tube 1, it is equipped with the nanofiltration membrane 23 of fifty percent discount to produce between the rivers lead cloth 21, it separates net 22 to be equipped with ladder type between the fifty percent discount face of nanofiltration membrane 23, ladder type separates and is equipped with the first stay 221 that is used for supporting nanofiltration membrane group 2 on the net 22, when ladder type separates net 22 is rolled up, first stay 221 evenly distributed is around center tube 1, because ladder type separates the material of net 22 and is the plastics material that has certain hardness, after multiunit nanofiltration membrane group 2 is convoluteed, evenly distributed's first stay 221 supports inside nanofiltration membrane group 2 in order to prevent nanofiltration membrane group 2 from taking place to buckle, thereby effectively improve nanofiltration membrane group 2's bearing capacity, be equipped with strengthening rib 12 and support piece 6 that are used for supporting membrane component 100 in the center tube 1, strengthening rib 12 and support piece 6's cooperation can effectively improve center tube 1's compressive strength, the two sides of the water flow guide cloth 21 are provided with glue penetrating holes 211, and the glue penetrating holes 211 can effectively improve the glue penetrating amount and the glue containing amount of the glue line position, so that the edge sealing firmness of the nanofiltration membrane 23 is improved, the edge sealing glue of the nanofiltration membrane 23 can be effectively prevented from expanding, and the pressure resistance of the membrane element 100 is enhanced.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides a high pressure ladder type nanofiltration membrane element, its characterized in that, includes center tube, a plurality of nanofiltration membrane group and support piece, support piece installs in the center tube, it is a plurality of nanofiltration membrane group twines on the center tube, support piece is in including supporting core and evenly distributed support pad around the core, a plurality of inlet openings have been seted up on the pipe wall of center tube, inlet opening evenly distributed be in around the pipe wall of center tube and with the inner chamber intercommunication of center tube, the inner chamber of center tube is equipped with a plurality of bellied strengthening ribs, seted up on the strengthening rib with backup pad complex mounting groove, the mounting groove with the unanimous and one-to-one of backup pad quantity.
2. The high-pressure ladder-type nanofiltration membrane element according to claim 1, wherein the reinforcing ribs are arranged parallel to an axis of the central tube and have a length corresponding to that of the central tube, and the support member is shorter than that of the central tube.
3. The high-pressure ladder-type nanofiltration membrane element according to claim 1, wherein the water inlet holes are four groups, and each group of the water inlet holes has twelve water inlet holes.
4. The high-pressure ladder-type nanofiltration membrane element according to claim 3, wherein the number of the reinforcing ribs is four, and each reinforcing rib is located between two sets of water inlet holes.
5. The high-pressure ladder-type nanofiltration membrane element according to claim 1, wherein the nanofiltration membrane group comprises a product water flow guide cloth, ladder-type separation nets and nanofiltration membranes, the product water flow guide cloth is wrapped around the central tube, one nanofiltration membrane is arranged between every two adjacent product water flow guide cloths, the nanofiltration membranes are oppositely folded along an axial line membrane surface of the central tube and are arranged at the side of the folded edge close to the central tube, and the ladder-type separation nets are arranged between the folded surfaces of the nanofiltration membranes.
6. The high-pressure ladder-type nanofiltration membrane element according to claim 5, wherein a plurality of first support bars are arranged in parallel on the surface of the ladder-type separation net, a plurality of second support bars are arranged between the two first support bars, and the thickness of the second support bars is smaller than that of the first support bars.
7. The high-pressure ladder-type nanofiltration membrane element according to claim 1, further comprising fixing tapes and outer shells, wherein the fixing tapes are fixedly wound at two ends and in the middle of the nanofiltration membrane group, and the outer shells are fixedly mounted outside the nanofiltration membrane group.
8. The high-pressure ladder-type nanofiltration membrane element according to claim 1, wherein the number of the nanofiltration membrane groups is two, three, five or ten.
9. The high-pressure ladder-type nanofiltration membrane element according to claim 7, wherein the outer shell is made of glass fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020858043.4U CN212819170U (en) | 2020-05-20 | 2020-05-20 | High-pressure ladder-shaped nanofiltration membrane element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020858043.4U CN212819170U (en) | 2020-05-20 | 2020-05-20 | High-pressure ladder-shaped nanofiltration membrane element |
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| Publication Number | Publication Date |
|---|---|
| CN212819170U true CN212819170U (en) | 2021-03-30 |
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| CN202020858043.4U Active CN212819170U (en) | 2020-05-20 | 2020-05-20 | High-pressure ladder-shaped nanofiltration membrane element |
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| CN (1) | CN212819170U (en) |
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