CN211886282U - Spiral wound membrane module and water purification system - Google Patents
Spiral wound membrane module and water purification system Download PDFInfo
- Publication number
- CN211886282U CN211886282U CN202020187694.5U CN202020187694U CN211886282U CN 211886282 U CN211886282 U CN 211886282U CN 202020187694 U CN202020187694 U CN 202020187694U CN 211886282 U CN211886282 U CN 211886282U
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- 239000012528 membrane Substances 0.000 title claims abstract description 99
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 238000000746 purification Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000012530 fluid Substances 0.000 claims abstract description 17
- 238000000926 separation method Methods 0.000 claims description 24
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 230000000670 limiting effect Effects 0.000 claims description 16
- 239000004743 Polypropylene Substances 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 8
- -1 polypropylene Polymers 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 239000003575 carbonaceous material Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 6
- 229910010293 ceramic material Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 abstract description 28
- 230000009471 action Effects 0.000 abstract description 10
- 230000010354 integration Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 24
- 230000000694 effects Effects 0.000 description 21
- 239000004033 plastic Substances 0.000 description 11
- 229920003023 plastic Polymers 0.000 description 11
- 238000004804 winding Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/10—Supported membranes; Membrane supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/26—Further operations combined with membrane separation processes
- B01D2311/2649—Filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/08—Flow guidance means within the module or the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The utility model provides a spiral wound module and water purification system, wherein spiral wound module includes: the central tube, the central tube is the tube structure, tube structure includes inner wall and outer wall, the radial inboard of central tube still is provided with tubular structure's support sleeve (202b), support sleeve's inner wall inboard has cavity (102f), still be provided with at least one limbers with the form of running through its inner wall and outer wall on the support sleeve, and central tube (102) by can allow the filter media material that the fluid passes through make, with the fluid of allowing from outer wall (102e) circulation to inner wall (102d), through support sleeve (202b) and reach in cavity (102 f). Through the utility model discloses can form one-level filtering action through center tube itself, realize that integration of center tube structure function, can not only support a roll formula membrane and collect and produce water and can also realize the filtering action, effectively reduced the increase of filter core volume, do benefit to the reduction of complete machine volume.
Description
Technical Field
The utility model belongs to the technical field of the water purification, concretely relates to spiral wound module and water purification system.
Background
The existing roll-type membrane elements need to be wound on a central tube for preparing plastic pieces, and the central tube plays a role in supporting the roll-type membrane and collecting produced water. In addition, when the roll-type membrane is used, the rear end of the roll-type membrane is required to be connected in series to improve the filter element in taste, so that the number of stages of the filter element is increased, and the volume of the whole machine is not reduced.
Because the effect of the center tube in the formula of book membrane among the prior art is for supporting a formula of book membrane and collecting and producing water, it needs to establish ties the taste and improves the filter core to exist its rear end to cause the filter core progression to increase, be unfavorable for technical problem such as complete machine volume reduction, consequently the utility model discloses research and design a formula of book membrane module and water purification system.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the center tube of the formula of book membrane among the prior art and leading to if need improve the filter effect then need increase the filter core progression, lead to the defect of volume increase because the function is single to a formula of book membrane module and water purification system are provided.
The utility model provides a spiral wound module, wherein: comprises a central tube, a central tube and a plurality of guide rails,
the central tube is a tube structure, the tube structure comprises an inner wall and an outer wall, the radial inner side of the central tube is further provided with a supporting sleeve of a tube structure, the inner wall of the supporting sleeve is provided with a cavity, the supporting sleeve is further provided with at least one water through hole, the central tube is made of a filter material capable of allowing fluid to pass through, and the central tube allows the fluid to pass through the outer wall to the inner wall, pass through the supporting sleeve to reach the cavity, or allows the fluid to pass through the cavity, the inner wall to pass through the outer wall.
Preferably, the first and second electrodes are formed of a metal,
the filter material that can allow the fluid to pass through includes: at least one of a carbon material, a polypropylene pp material, and a ceramic material.
Preferably, the first and second electrodes are formed of a metal,
the central tube is of a cylindrical carbon rod structure consisting of the carbon material; or the central pipe is of a cylindrical PP structure made of the polypropylene PP material; or the central tube is of a cylindrical ceramic tube structure made of the ceramic material.
Preferably, the first and second electrodes are formed of a metal,
the water filter further comprises a roll-up membrane wound around the periphery of the central tube, wherein the roll-up membrane can allow water to pass through and filter the water.
Preferably, the first and second electrodes are formed of a metal,
the first end cover is arranged at one axial end of the central pipe and can seal the axial end of the central pipe; and/or the presence of a gas in the gas,
the water outlet joint is arranged on the radial inner side of the second end cover so as to allow water in the central pipe to flow out of the water outlet joint.
Preferably, the first and second electrodes are formed of a metal,
first end cover is including being located radial outside and along the first extension arm of axial direction extension and being located radial inboard and along the second extension arm of axial direction extension, first extension arm with it is right to form between the second extension arm the space that the card was established is carried out to the inner wall and the outer wall of center tube.
Preferably, the first and second electrodes are formed of a metal,
the second extension arm is attached to and clamped on the inner wall of one axial end of the central tube; the outer wall of the central tube is provided with a first step at the position of one axial end, and the first extension arm is clamped with the first step so that the outer peripheral surface of the first extension arm is flush with the outer peripheral surface of the central tube.
Preferably, the first and second electrodes are formed of a metal,
a film rolling clamping groove for rolling the film is formed in the center of the first end cover in the axial direction of the central tube; and/or a first fixing rib is further axially arranged between the first extension arm and the second extension arm of the first end cover in an extending manner, a fixing groove is also axially and concavely arranged at one axial end of the central tube, and the first fixing rib and the fixing groove can be clamped and positioned; and/or the direction of the first end cover opposite to the extending direction of the first extending arm and the second extending arm is also convexly provided with at least one first limiting rib.
Preferably, the first and second electrodes are formed of a metal,
the second end cover is including being located radial outside and along the third extension arm that axial direction extends and being located radial inboard and along the fourth extension arm that axial direction extends, the third extension arm with form between the fourth extension arm and can be right the center tube the space that the card was established is carried out to the inner wall and the outer wall of the axial other end.
Preferably, the first and second electrodes are formed of a metal,
the fourth extension arm is attached and clamped on the inner wall of the other end of the central tube in the axial direction; and/or a second step is further formed at the position of the other end of the central tube in the axial direction, and the third extension arm is clamped at the outer peripheral wall of the second step, so that the outer peripheral surface of the third extension arm is flush with the outer peripheral surface of the central tube.
Preferably, the first and second electrodes are formed of a metal,
a second fixing rib is further axially arranged between the third extension arm and the fourth extension arm of the second end cover in an extending manner, a fixing groove is further axially and concavely arranged at the other axial end of the central tube, and the second fixing rib can be clamped and limited with the fixing groove; and/or a second limiting rib is arranged on the inner side of the fourth extension arm of the second end cover in a radially protruding mode, and the second limiting rib and the water outlet connector can limit and/or position.
Preferably, the first and second electrodes are formed of a metal,
the connecting part between the first end cover and the central pipe is also connected through bonding; and/or the joint part between the second end cover and the central pipe is also connected by bonding; and/or the roll film is wound at one axial end of the central tube and is arranged at the periphery of the first end cover; and/or the roll film is wound and arranged at the outer periphery of the second end cover at the other axial end of the central pipe.
Preferably, the first and second electrodes are formed of a metal,
the roll-type membrane comprises a roll-type membrane, a glue line, a water production separation net and a water inlet separation net, the roll-type membrane comprises a separation layer and a non-separation layer, the roll-type membrane is folded at the separation layer, the water inlet separation net is placed in the folded position of the roll-type membrane, one surface of the non-separation layer is overlapped with the water production separation net, and the glue line is arranged on the inner peripheral side of the roll-type membrane and at a position opposite to the first end cover and/or the second end cover.
The utility model also provides a water purification system, it includes preceding arbitrary spiral wound module.
The utility model provides a pair of spiral wound module and water purification system has following beneficial effect:
1. the utility model discloses a make the center tube of purifier through by the filter media material preparation that can allow the fluid to pass through, can make water can flow through the center tube that this filter media material was made, thereby form the primary filtration to water, can make to improve the filter effect and need increase the structure of filter core technique among the prior art, can just form the effect of primary filtration through the center tube itself, realized the integration of center tube structure function, make it not only can support roll-type membrane and collect and produce water and can realize the filtration, reduced the increase of filter core volume effectively, do benefit to the effective reduction of complete machine volume;
2. the utility model can give up the plastic piece central tube used by the prior spiral-wound membrane, avoid the use of the prior spiral-wound membrane element plastic piece central tube, and realize that one membrane element has two-stage filtering function; the carbonaceous central tube is utilized, so that the subsequent reuse of the taste filter element can be avoided, and the membrane element integrates two-stage filtering functions of a fine filtering filter element and a rear taste filter element; the carbonaceous central tube does not have macroscopic macropore, and its surface is covered with structural micropore, compares in the visual macroporous central tube of traditional working of plastics, and roll-type diaphragm produced water is collected more easily.
Drawings
FIG. 1 is a schematic cross-sectional front view of a rolled membrane module with a center tube according to the present invention;
FIG. 2a is a cross-sectional structural view of the base pipe of FIG. 1;
FIG. 2b is a left side view block diagram of the center tube of FIG. 2 a;
FIG. 3a is a cross-sectional structural view of the first end cap of FIG. 1;
FIG. 3b is a left side view block diagram of the first endcap of FIG. 3 a;
FIG. 4 is a cross-sectional structural view of the second end cap of FIG. 1;
FIG. 5 is a schematic diagram of the rolled membrane deployment structure of the rolled membrane module with a central tube according to the present invention;
fig. 6 is a schematic front view of the support sleeve of the present invention.
The reference numbers in the figures denote:
101. a first end cap; 101a, a film rolling clamping groove; 101b, a first fixing rib; 101c, a first limiting rib; 101d, a first extension arm; 101e, a second extension arm; 102. a central tube; 102a, a first step; 102b, a second step; 102c, a fixing groove; 102d, an inner wall; 102e, an outer wall; 102f, a cavity; 103. rolling the membrane; 104. a second end cap; 104a and a second limiting rib; 104b, second fixing ribs; 104c, a third extension arm; 104d, a fourth extension arm; 105. a water outlet joint; 201. rolling the membrane; 202. glue lines; 202a, a water through hole; 202b, a support sleeve; 203. produce water and separate the net.
Detailed Description
As shown in fig. 1-5, the present invention provides a spiral wound membrane module, which comprises a central tube, and the center tube 102 is a cylindrical structure, which includes an inner wall 102d and an outer wall 102e, the radial inner side of the central tube 102 is also provided with a cylindrical support sleeve 202b, the inner wall of the support sleeve 202b is provided with a cavity 102f, the support sleeve 202b is further provided with at least one water passage hole 202a penetrating through the inner wall and the outer wall of the support sleeve, and the central tube 102 is made of a filter material that allows fluid to pass through (preferably permeable to water) to allow fluid to pass from the cavity through the support sleeve 202b and the inner wall 102d to the outer wall 102e, or from the outer wall 102e to the inner wall 102d, past the support sleeve 202b, and into the cavity 102 f.
The utility model discloses a pass through the filter media material preparation that can allow the fluid to pass through with the center tube of purifier, can make water can flow through the center tube that this filter media material was makeed, thereby form one-level filtering action to water, can make and improve the structure that the filter effect needs increase the filter core technique among the prior art, can just form the filterable effect of one-level through center tube itself, the integration of center tube structure function has been realized, make it not only can support roll formula membrane and collect and produce water and can also realize the filtering action, the increase of filter core volume has been reduced effectively, do benefit to effectively reducing of complete machine volume. Still through set up the support sleeve at the radial inboard of the inner wall of center tube, can play the supporting role to the material that has filtering capability (because it has filtering role, its structural strength is not enough to support usually or support intensity is not high enough) to improve the firm fixed effect of center tube, provide the condition for realizing long-time filtering role.
The existing central tube is a plastic central tube, only the center of the tube is provided with a hole, and other places are closed, so that water produced by the membrane in the non-hole area needs to flow into the hole area along the wall, and the flow path is long; and the membrane with the hole area directly flows out of the membrane hole, and the flow path is short. And the carbon rod is used as the central tube, and because the surface of the carbon rod is distributed with the uniform structural microporous structure, the produced water of the membrane contacted with the carbon rod can be led out into the cavity in time. The post-positioned carbon rod filter element is made into a structural form capable of winding the RO membrane, so that the RO membrane and the post-positioned filter element can be combined, and the one-core two-stage purification function is realized.
Preferably, the first and second electrodes are formed of a metal,
the filter material that can allow the fluid to pass through includes: at least one of a carbon material, a polypropylene pp material, and a ceramic material. This is the utility model discloses an effective passing through of allowable water can be realized to the preferred material of filter media material, can also carry out the filter action to the water through it in addition, can also form the filter effect of one-level when realizing the support function with the center tube, has overcome because the defect of the volume increase that the filter core progression increases and bring, reduces the volume, saves the cost.
Preferably, the first and second electrodes are formed of a metal,
the central tube 102 is a cylindrical carbon rod structure composed of the carbon material; or, the central tube 102 is a cylindrical PP structure made of the polypropylene PP material; alternatively, the central tube 102 is a cylindrical ceramic tube made of the ceramic material. This is the preferred form of the filter structure of the present invention, such as carbon rods, PP cylinders and ceramic tubes.
The utility model discloses can allow the filter media that fluid passed through can include: carbon rods, cylindrical polypropylene pp material filter materials, ceramic tubes and the like are preferably used for improving the taste of carbon as the material of the central tube of the roll-type membrane element, so that the plastic central tube used by the existing roll-type membrane can be abandoned, the use of the plastic central tube of the existing roll-type membrane element is avoided, and one membrane element can have two-stage filtering functions; the carbonaceous central tube is utilized, so that the subsequent reuse of the taste filter element can be avoided, and the membrane element integrates two-stage filtering functions of a fine filtering filter element and a rear taste filter element; the carbonaceous central tube does not have macroscopic macropore, and its surface is covered with structural micropore, compares in the visual macroporous central tube of traditional working of plastics, and roll-type diaphragm produced water is collected more easily. The PP cylindrical central tube can effectively remove various particle impurities in the filtered liquid, has a multilayer depth structure, large pollutant carrying capacity, large filtering flow, small pressure difference, no chemical adhesive, higher sanitation, higher safety, acid resistance, alkali resistance, organic solution and oil resistance, good chemical stability and integration of surface, deep layer and coarse and fine filtering; has the characteristics of large flow, corrosion resistance, high pressure resistance, low cost and the like. Used for blocking large granular substances such as rust, silt, worm eggs and the like in water. The ceramic tube-shape center tube can filter, antibiotic and activation treatment drinking water, harmful removal chlorine residue and suspended pollutant, organic chemical substance, colour and peculiar smell, can filter out the drinking water that reaches certain drinking standard through using this filter core.
The carbon rod material has brittleness, and a strength supporting cylinder is added in the cavity, so that the strength of the carbon rod central tube can be enhanced.
Preferably, the first and second electrodes are formed of a metal,
the utility model discloses a spiral wound membrane module still includes and centers on the periphery of center tube 102 is gone on around the spiral wound membrane 103 of establishing spiral wound membrane 103 can allow water to pass through and filter water. The utility model discloses a roll up formula membrane module and utilize new construction form's center tube (filtration material), roll up the system with roll up formula membrane, make the roll up formula membrane module of preparation have two-stage filtering capability simultaneously, can make hydroenergy enough flow through the center tube that this filter media material was makeed into, thereby form one-level filtering action to water, can make and need increase the structure of filter core technique in improving the filter effect among the prior art, can just form one-level filterable effect through center tube itself, the integration of center tube structure function has been realized, make it not only can support roll up formula membrane and collect and produce water and can also realize the filtering action, the increase of filter core volume has been reduced effectively, do benefit to effectively reducing of complete machine volume.
The utility model discloses the water of producing of roll type membrane has reduced the long energy loss who brings of flow path with rearmounted filter core (the center tube that has the filter effect promptly) direct contact among the technical scheme to can reduce the backpressure, its beneficial effect is that roll type membrane produces more smooth and easy discharge of water, can effectively slow down membrane structure trend and the same membrane area water flow is big.
Preferably, the first and second electrodes are formed of a metal,
a first end cap 101 disposed at one axial end of the center tube 102, the first end cap being capable of sealing the one axial end of the center tube 102; and/or the presence of a gas in the gas,
the water-saving pipe is characterized by further comprising a second end cover 104 clamped at the other axial end of the central pipe 102, wherein a water outlet joint 105 is further connected and arranged on the radial inner side of the second end cover 104 to allow water in the interior of the central pipe 102 to flow out of the water outlet joint 105.
This is the utility model discloses a structural style of the first end cover of center tube axial one end and the structural style of the second end cover of the axial other end, can form sealing action to the axial one end of center tube through first end cover, make the water of this end permeate from the terminal surface of roll type membrane 103, and then get into the center tube, in the cavity, realize secondary filter's effect, water that flows through roll type membrane 103 is dense water, the water that flows through the inside cavity of center tube is the pure water, as shown in fig. 1, can carry out clamping action and sealing action to the axial other end of center tube through the second end cover, make water only can flow (pure water) from the inside water connectors of center tube, or flow (dense water) from roll type membrane lower extreme.
Preferably, the first and second electrodes are formed of a metal,
the first end cap 101 includes a first extension arm 101d located at a radial outer side and extending along an axial direction and a second extension arm 101e located at a radial inner side and extending along the axial direction, and a space capable of clamping an inner wall and an outer wall of the center tube 102 is formed between the first extension arm 101d and the second extension arm 101 e. This is the utility model discloses a further preferred structural style of first end cover, can form joint formula connection, convenient assembly and location with the axial one end tip of center tube through the setting of first and second extension arm.
Preferably, the first and second electrodes are formed of a metal,
the second extension arm 101e is attached to and clamped on the inner wall of the axial end of the central tube 102; the outer wall of the center tube 102 is further formed with a first step 102a at a position of one end in the axial direction, and the first extension arm 101d is engaged with the first step 102a such that the outer circumferential surface of the first extension arm 101d is flush with the outer circumferential surface of the center tube 102. This is the utility model discloses a structural style that first extension arm and second extension arm match the meeting with the interior outer wall of center tube respectively can realize can also guaranteeing the outer peripheral face parallel and level of center tube outer peripheral face and first extension arm when effectively the joint between the center tube to make things convenient for a roll formula membrane to roll up on this outer peripheral face winding.
Preferably, the first and second electrodes are formed of a metal,
a film winding clamping groove 101a for winding the film is further formed in the center position of the first end cover 101 in the axial direction of the central tube 102; and/or a first fixing rib 101b is further axially arranged between the first extension arm 101d and the second extension arm 101e of the first end cover 101 in an extending manner, a fixing groove 102c is also axially and concavely arranged at one axial end of the central tube 102, and the first fixing rib 101b and the fixing groove 102c can form a clamping limit to clamp and fix the end surface of the axial end of the central tube 102; and/or at least one first limiting rib 101c is further convexly arranged in the direction of the first end cover 101 opposite to the extending direction of the first extending arm 101d and the second extending arm 101 e.
The first end cover and the corresponding part of the central tube are provided with further optimized structural forms, and the film rolling clamping groove can allow a shaft of a film rolling machine to be inserted into the film rolling clamping groove and drive the central tube to rotate when rolling the film, so that the film rolling effect of the rolled film is realized; the first fixing ribs and the fixing grooves arranged on the end face of the central tube can form clamping fit between the first fixing ribs and the central tube, and a positioning or limiting effect can be formed when the first end cover and the central tube are assembled, so that the assembling effect is improved; can make first end cover upwards protrusion form protruding structure through first spacing rib to make can pass through water between the arch, make from can normally reaching the up end of roll formula membrane and down flow, guaranteed that normal water flows and flows through.
Preferably, the first and second electrodes are formed of a metal,
the second end cap 104 includes a third extension arm 104c located at the radial outer side and extending along the axial direction and a fourth extension arm 104d located at the radial inner side and extending along the axial direction, and a space capable of clamping the inner wall and the outer wall of the other axial end of the center tube 102 is formed between the third extension arm 104c and the fourth extension arm 104 d. This is the utility model discloses a further preferred structural style of second end cover, can form joint formula with the axial other end tip of center tube through the setting of third and fourth extension arm and be connected, convenient assembly and location.
Preferably, the first and second electrodes are formed of a metal,
the fourth extension arm 104d is attached to and clamped on the inner wall of the other axial end of the central tube; and/or a second step 102b is further formed on the outer wall of the central tube 102 at the other axial end, and the third extension arm 104c is clamped on the outer circumferential wall of the second step 102b, so that the outer circumferential surface of the third extension arm 104c is flush with the outer circumferential surface of the central tube 102. This is the utility model discloses a structural style that third extension arm and fourth extension arm match the meeting with the interior outer wall of center tube respectively can realize can also guaranteeing the outer peripheral face parallel and level of center tube outer peripheral face and third extension arm when effectively the joint between the center tube to make things convenient for a roll formula membrane to roll up on this outer peripheral face winding.
Preferably, the first and second electrodes are formed of a metal,
a second fixing rib 104b is further axially arranged between the third extension arm 104c and the fourth extension arm 104d of the second end cover 104 in an extending manner, a fixing groove 102c is also axially and concavely arranged at the other axial end of the central tube 102, and the second fixing rib 104b and the fixing groove 102c can form a clamping limit to clamp and fix an end face of the other axial end of the central tube 102; and/or a second limiting rib 104a is further arranged on the inner side of the fourth extending arm 104d of the second end cover 104 in a radially protruding manner, and the second limiting rib 104a can be limited and/or positioned with the water outlet joint 105.
The second end cover and the central tube are arranged on the corresponding positions of the second end cover and the central tube, the second fixing ribs and the fixing grooves arranged on the end surface of the central tube can form clamping fit between the second end cover and the central tube, positioning or limiting effect can be formed when the first end cover and the central tube are assembled, and the assembling effect is improved; can make it form limiting displacement to water connectors through the spacing rib of second, form location assembly, improve the assembly effect.
Preferably, the first and second electrodes are formed of a metal,
the joint part between the first end cover 101 and the central tube 102 is also connected by bonding; and/or the joint between the second end cover 104 and the central tube 102 is also connected by bonding; and/or the roll film 103 is wound around the outer circumference of the first end cap 101 at the axial end of the center tube 102; and/or the roll film 103 is wound around the outer circumference of the second end cap 104 at the other axial end of the center tube 102.
First end cover, second end cover respectively with through adhesive connection between the center tube, improved the firm in connection nature between end cover and the center tube, improved sealing strength, the winding of roll up formula membrane can improve winding effect and sealed effect on the end cover. The carbonaceous central pipe has the following assembly form of parts: the first end cap 101 and the second end cap 104 are fixedly connected with the corresponding steps at the two ends of the carbon rod through glue. The water outlet joint 105 is directly arranged in the second end cover 104 after the rolled membrane is rolled, and is used for guiding pure water.
Preferably, the first and second electrodes are formed of a metal,
the roll type membrane 103 comprises a roll type membrane 201, a glue line 202, a water production separation net 203 and a water inlet separation net, the roll type membrane 201 comprises a separation layer and a non-separation layer, the roll type membrane 201 is folded at the separation layer, the water inlet separation net is placed in the folded position of the roll type membrane, one surface of the non-separation layer and the water production separation net 203 are overlapped, and the glue line 202 is arranged on the inner peripheral side of the roll type membrane 103 and at a position opposite to the first end cover 101 and/or the second end cover 104. This is the utility model discloses a preferred structural style of book formula membrane, product water separate the net winding in center tube periphery, roll up formula diaphragm and twine in product water separate net periphery again, the rubber thread is beaten and is lain in the corresponding position of end cover and can make diaphragm and end cover realize sealing connection through the viscose.
When the carbonaceous central tube is used for preparing the roll-up membrane, the schematic diagram of the roll-up membrane is shown in figure 5.
Roll up formula diaphragm 201 evenly distributed is close to the end cover position at both ends at carbonaceous center tube, produce water and separate net 203 and roll up formula diaphragm 201 and overlap and put, the rubber thread is beaten and is being close to roll up formula diaphragm 201 and produce water and separate net 203 border position but not with the edge coincidence, need keep the distance with the border line, the rubber thread 202 needs to be beaten on first end cover 101 and second end cover 104 simultaneously, its effect is sealed for realizing roll formula membrane element with the help of the end cover, because if beat on carbonaceous center tube, because it is porous structure, can not realize sealedly.
The utility model also provides a water purification system, it includes preceding arbitrary spiral wound module.
The utility model discloses a make the center tube of purifier through by the filter media material preparation that can allow the fluid to pass through, can make water can flow through the center tube that this filter media material was made, thereby form the primary filtration to water, can make to improve the filter effect and need increase the structure of filter core technique among the prior art, can just form the effect of primary filtration through the center tube itself, realized the integration of center tube structure function, make it not only can support roll-type membrane and collect and produce water and can realize the filtration, reduced the increase of filter core volume effectively, do benefit to the effective reduction of complete machine volume;
the utility model can give up the plastic piece central tube used by the prior spiral-wound membrane, avoid the use of the prior spiral-wound membrane element plastic piece central tube, and realize that one membrane element has two-stage filtering function; the carbonaceous central tube is utilized, so that the subsequent reuse of the taste filter element can be avoided, and the membrane element integrates two-stage filtering functions of a fine filtering filter element and a rear taste filter element; the carbonaceous central tube does not have macroscopic macropore, and its surface is covered with structural micropore, compares in the visual macroporous central tube of traditional working of plastics, and roll-type diaphragm produced water is collected more easily.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (14)
1. A spiral wound membrane module, characterized in that: the method comprises the following steps:
the central pipe (102) is of a cylindrical structure, the cylindrical structure comprises an inner wall (102d) and an outer wall (102e), a supporting sleeve (202b) of a cylindrical structure is further arranged on the radial inner side of the central pipe (102), a cavity (102f) is formed in the inner side of the inner wall of the supporting sleeve (202b), at least one water through hole (202a) is further formed in the supporting sleeve (202b), and the central pipe (102) is made of a filter material capable of allowing fluid to pass through, so that the fluid is allowed to pass from the outer wall (102e) to the inner wall (102d), pass through the supporting sleeve (202b) and reach the cavity (102f), or the fluid is allowed to pass from the cavity to the outer wall (102e) through the supporting sleeve (202b) and the inner wall (102 d).
2. The membrane module of claim 1, wherein:
the filter material that can allow the fluid to pass through includes: at least one of a carbon material, a polypropylene pp material, and a ceramic material.
3. The membrane module of claim 2, wherein:
the central tube (102) is of a cylindrical carbon rod structure made of the carbon material; or the central pipe (102) is of a cylindrical PP structure made of the polypropylene PP material; or the central tube (102) is a cylindrical ceramic tube structure made of the ceramic material.
4. The rolled membrane module according to any one of claims 1-3, characterized in that:
the water filter also comprises a roll-type membrane (103) wound around the periphery of the central pipe (102), wherein the roll-type membrane (103) can allow water to pass through and filter the water.
5. The rolled membrane module according to claim 4, characterized in that:
further comprising a first end cap (101) arranged at an axial end of the central tube (102), said first end cap being capable of sealing said axial end of the central tube (102); and/or the presence of a gas in the gas,
the water-saving pipe is characterized by further comprising a second end cover (104) arranged at the other axial end of the central pipe (102), and a water outlet joint (105) is further connected and arranged on the radial inner side of the second end cover (104) to allow water in the central pipe (102) to flow out of the water outlet joint (105).
6. The rolled membrane module according to claim 5, characterized in that:
the first end cover (101) comprises a first extension arm (101d) located on the radial outer side and extending along the axial direction and a second extension arm (101e) located on the radial inner side and extending along the axial direction, and a space capable of clamping the inner wall and the outer wall of the central pipe (102) is formed between the first extension arm (101d) and the second extension arm (101 e).
7. The rolled membrane module according to claim 6, characterized in that:
the second extension arm (101e) is attached to and clamped on the inner wall of one axial end of the central pipe (102); the outer wall of the central tube (102) is further formed with a first step (102a) at a position of one end in the axial direction, and the first extension arm (101d) is engaged with the first step (102a) so that the outer peripheral surface of the first extension arm (101d) is flush with the outer peripheral surface of the central tube (102).
8. The membrane module of claim 6 or 7, wherein:
a film rolling clamping groove (101a) for rolling the film is formed in the center position of the first end cover (101) towards the axial direction of the central pipe (102); and/or a first fixing rib (101b) is arranged between the first extension arm (101d) and the second extension arm (101e) of the first end cover (101) in an axially extending manner, a fixing groove (102c) is also arranged at one axial end of the central tube (102) in an axially recessed manner, and a clamping limit can be formed between the first fixing rib (101b) and the fixing groove (102 c); and/or at least one first limiting rib (101c) is convexly arranged in the direction of the first end cover (101) opposite to the extending direction of the first extending arm (101d) and the second extending arm (101 e).
9. The rolled membrane module according to any one of claims 5-7, characterized in that:
the second end cover (104) comprises a third extension arm (104c) located on the radial outer side and extending along the axial direction and a fourth extension arm (104d) located on the radial inner side and extending along the axial direction, and a space capable of clamping the inner wall and the outer wall of the other end of the central tube (102) in the axial direction is formed between the third extension arm (104c) and the fourth extension arm (104 d).
10. The membrane module of claim 9, wherein:
the fourth extension arm (104d) is attached and clamped on the inner wall of the other end of the central pipe in the axial direction; and/or a second step (102b) is further formed on the outer wall of the central tube (102) at the position of the other end in the axial direction, and the third extension arm (104c) is clamped at the outer peripheral wall of the second step (102b) so that the outer peripheral surface of the third extension arm (104c) is flush with the outer peripheral surface of the central tube (102).
11. The membrane module of claim 9, wherein:
a second fixing rib (104b) is further axially arranged between the third extension arm (104c) and the fourth extension arm (104d) of the second end cover (104) in an extending manner, a fixing groove (102c) is further axially and concavely arranged at the other axial end of the central tube (102), and the second fixing rib (104b) and the fixing groove (102c) can form clamping limiting; and/or a second limiting rib (104a) is arranged on the inner side of the fourth extension arm (104d) of the second end cover (104) in a radially protruding manner and axially extending manner, and the second limiting rib (104a) can be limited and/or positioned with the water outlet connector (105).
12. The rolled membrane module according to any one of claims 5-7, characterized in that:
the joint part between the first end cover (101) and the central pipe (102) is also connected through bonding; and/or the joint part between the second end cover (104) and the central pipe (102) is also connected by bonding; and/or the roll film (103) is wound at one axial end of the central pipe (102) and arranged at the periphery of the first end cover (101); and/or the roll film (103) is wound and arranged at the outer periphery of the second end cover (104) at the other axial end of the central pipe (102).
13. The rolled membrane module according to claim 12, characterized in that:
the roll type membrane (103) comprises a roll type membrane sheet (201), a glue line (202), a water production separation net (203) and a water inlet separation net, wherein the roll type membrane sheet (201) comprises a separation layer and a non-separation layer, the roll type membrane sheet (201) is folded at the separation layer in half, the water inlet separation net is placed in the folded position of the roll type membrane sheet, one face of the non-separation layer and the water production separation net (203) are overlapped, and the glue line (202) is arranged on the inner peripheral side of the roll type membrane (103) and at a position opposite to the first end cover (101) and/or the second end cover (104).
14. A water purification system, its characterized in that: comprising a rolled membrane module according to any one of claims 5-13.
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2020
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111185102A (en) * | 2019-08-02 | 2020-05-22 | 珠海格力电器股份有限公司 | Spiral wound membrane module and water purification system |
| WO2021164335A1 (en) * | 2019-08-02 | 2021-08-26 | 珠海格力电器股份有限公司 | Central tube, wound-type membrane assembly, composite filter cartridge assembly, and water purification system |
| CN115557286A (en) * | 2022-08-31 | 2023-01-03 | 佛山市麦克罗美的滤芯设备制造有限公司 | Film rolling method |
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| CN212142159U (en) | 2020-12-15 |
| CN112295417B (en) | 2023-04-25 |
| CN111318175A (en) | 2020-06-23 |
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| CN111185101A (en) | 2020-05-22 |
| WO2021164335A1 (en) | 2021-08-26 |
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| CN211886281U (en) | 2020-11-10 |
| CN211886280U (en) | 2020-11-10 |
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