CN211886279U - Roll up formula membrane module, compound filter element group spare and water purification system - Google Patents
Roll up formula membrane module, compound filter element group spare and water purification system Download PDFInfo
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- CN211886279U CN211886279U CN202020186723.6U CN202020186723U CN211886279U CN 211886279 U CN211886279 U CN 211886279U CN 202020186723 U CN202020186723 U CN 202020186723U CN 211886279 U CN211886279 U CN 211886279U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 207
- 239000012528 membrane Substances 0.000 title claims abstract description 196
- 238000000746 purification Methods 0.000 title claims abstract description 12
- 150000001875 compounds Chemical class 0.000 title abstract description 11
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 67
- 239000012530 fluid Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000002351 wastewater Substances 0.000 claims description 50
- 238000001914 filtration Methods 0.000 claims description 26
- 229910052799 carbon Inorganic materials 0.000 claims description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 24
- 239000004743 Polypropylene Substances 0.000 claims description 19
- 239000002131 composite material Substances 0.000 claims description 17
- 238000000108 ultra-filtration Methods 0.000 claims description 8
- -1 polypropylene Polymers 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 238000004804 winding Methods 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
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 1
- 230000004907 flux Effects 0.000 abstract description 7
- 239000002184 metal Substances 0.000 description 24
- 230000000694 effects Effects 0.000 description 12
- 238000005096 rolling process Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 230000008676 import Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000012141 concentrate Substances 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
- 241000196171 Hydrodictyon reticulatum Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 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
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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, compound filter element group spare and water purification system, spiral wound module includes: the filter membrane comprises a central tube (1), wherein the central tube (1) is made of a filter material capable of allowing fluid to pass through, and further comprises a roll-type membrane (2) wound around the periphery of the central tube (1), the roll-type membrane (2) can allow the fluid to pass through and filter the fluid, a raw water inlet (21) is formed in the roll-type membrane (2), and the raw water inlet (21) is formed in one end, along the axial direction of the central tube (1), of the roll-type membrane (2) and is close to the central tube (1) in the circumferential direction; one end of the roll-type membrane (2) along the axial direction of the central tube (1) is sealed at a position far away from the central tube (1) along the circumferential direction. Through the utility model discloses effectively reduced the circulation route of pure water runner, shortened the pure water runner, reduced the resistance that the pure water flows, improved the system water efficiency of reverse osmosis filter core, increased the flux.
Description
Technical Field
The utility model belongs to the technical field of the water purification, concretely relates to spiral wound module spare, compound filter element group spare and water purification system.
Background
The existing reverse osmosis filter element is usually formed by rolling a single-membrane leaf or a simple double-membrane leaf around a central pipe, and the water outlet flow passage is overlong. The prepared pure water has longer flowing distance in the reverse osmosis membrane, so that the resistance of the pure water flowing in the reverse osmosis membrane is larger, and the reverse osmosis filter element has lower water preparation efficiency and small flux. Moreover, the central tube of the existing reverse osmosis filter element is made of plastic or metal and is provided with a through hole, and the reverse osmosis membrane is directly rolled on the central tube, so that the integrated rolled reverse osmosis multistage composite filter element has larger volume and complex water path and structure.
In the composite filter element of the water purifier in the prior art, the flowing distance of pure water in the reverse osmosis membrane is long, so that the resistance of the pure water flowing in the reverse osmosis membrane is large, and the water production efficiency of the reverse osmosis filter element is low and the flux is small; reverse osmosis membrane directly rolls up the system on the center tube, and this makes the multistage composite filter core of integrated system reverse osmosis volume great, technical problem such as water route, structure complicacy, consequently the utility model discloses research and design a roll up formula membrane module, composite filter core subassembly and water purification system.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the purifier composite filter element among the prior art and having the pure water longer at reverse osmosis membrane piece flow distance, leads to the great defect of resistance of pure water flow in reverse osmosis membrane piece to a formula of book membrane module, compound filter element group spare and water purification system are provided.
The utility model provides a spiral wound module, it includes:
the filter comprises a central tube and a spiral membrane, wherein the central tube is made of a filter material capable of allowing fluid to pass through, the spiral membrane is wound around the periphery of the central tube and can allow the fluid to pass through and filter the fluid, a raw water inlet is formed in the spiral membrane and is formed in one end, in the axial direction of the central tube, of the spiral membrane and is close to the central tube in the circumferential direction; and one end of the roll-type membrane along the axial direction of the central tube is sealed at a position far away from the central tube along the circumferential direction.
Preferably, the first and second electrodes are formed of a metal,
the roll-type membrane is folded along the middle parting line of the long edge of the roll-type membrane in half, the edge formed by folding in half is a folded edge, the folded edge is connected to the outer wall of the central tube, one side of the roll-type membrane opposite to the folded edge is an opening edge, and the opening edge is a wastewater outlet allowing wastewater to be discharged; the other end of the spiral wound membrane in the axial direction of the central tube is sealed so that fluid cannot pass through.
Preferably, the first and second electrodes are formed of a metal,
one end of the central tube, which is axially opposite to the raw water inlet, is formed into a pure water outlet; and/or the central tube is of a hollow cylinder structure; and/or the filter material capable of allowing fluid to pass comprises: at least one of a carbon material, a polypropylene pp material and a ceramic material; and/or the roll-up membrane is a reverse osmosis membrane.
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 roll-up membranes are at least two, and at least two of the roll-up membranes are connected to the outer wall of the central tube at circumferentially different positions.
Preferably, the first and second electrodes are formed of a metal,
the water purification device is characterized by further comprising a pure water diversion net, wherein the pure water diversion net is arranged between two adjacent roll-type membranes, one end of the pure water diversion net is connected to the outer wall of the central pipe, and the other end of the pure water diversion net is wound along the same winding direction as the roll-type membranes.
Preferably, the first and second electrodes are formed of a metal,
at least one pure water diversion net is arranged between two adjacent roll-type membranes; and/or the roll-type membrane and the pure water diversion net are uniformly arranged at intervals in the circumferential direction of the central pipe; and/or when the central pipe comprises a waste water outlet, the waste water outlets formed by at least two rolled membranes are uniformly distributed at intervals along the circumferential direction of the central pipe.
Preferably, the first and second electrodes are formed of a metal,
and a waste water diversion net is arranged in the rolled membrane formed by folding in half, and the waste water diversion net is wound along the same winding direction as the rolled membrane.
Preferably, the first and second electrodes are formed of a metal,
one end of the waste water diversion net along the axial direction of the central pipe is connected to the inner wall of the roll-type membrane, and/or the other end of the waste water diversion net along the axial direction of the central pipe is connected to the inner wall of the roll-type membrane; and/or at least one waste water diversion net is arranged inside one rolled membrane.
Preferably, the first and second electrodes are formed of a metal,
when simultaneously including pure water diversion net and waste water diversion net:
in a radial direction of the central tube: the length of the pure water diversion net after being unfolded is more than or equal to the length of the rolled membrane after being unfolded and is more than the length of the concentrated water diversion net; in the axial direction of the central tube: the length of the pure water diversion net after being unfolded is larger than the length of the concentrated water diversion net.
Preferably, the first and second electrodes are formed of a metal,
and after the roll-type membrane is wound, the raw water inlet is a full-circumference circular ring, and the diameter of the circular ring is less than one half of the diameter of the roll-type membrane component after the roll-type membrane is wound.
The utility model also provides a compound filter element group spare, it includes preceding arbitrary spiral wound module.
Preferably, the first and second electrodes are formed of a metal,
still including paper folding PP cotton, leading filtration carbon-point and ultrafiltration filter core, work as when the center tube is hollow tube structure, ultrafiltration filter core sets up the inside of center tube.
The utility model also provides a water purification system, it includes former any spiral wound module spare or former any compound filter element group spare.
The utility model provides a pair of spiral wound module, compound filter element group spare and water purification system has following beneficial effect:
1. the utility model discloses a set up the raw water inlet into roll formula membrane axial one end and be close to the position of center tube, and roll formula membrane axial one end is kept away from the position of center tube and is sealed to effectively make the distance between raw water import and the center tube more close, effectively reduced the circulation route of pure water runner, shortened the pure water runner, reduced the resistance that the pure water flows, improve the system water efficiency of reverse osmosis filter core, increase the flux; the utility model discloses still through carrying out the fifty percent discount with roll type membrane along the midline of long limit, to the hem be connected to the outer wall of center tube, form into waste water exhaust waste water delivery port to the relative side of hem, can effectively prolong dense water runner (be waste water runner), thereby strengthen the efficiency that waste water filters among them, make the time that the raw water stayed in the runner longer, the filter time who obtains is longer, improve the filtration ratio, the water economy resource;
2. the utility model discloses still set up the structure that the center tube allows the fluid to pass through (preferred carbon-point), roll up reverse osmosis membrane and make on this center tube, still need center tube outside the carbon-point in order to carry out the structure of coiling to the RO membrane in the existing, saved the structure of center tube effectively, reduced the volume of rolling up reverse osmosis composite filter element, reduced composite filter element's space; the utility model discloses still be connected to the carbon-point center tube through the structural style that sets up a plurality of reverse osmosis membranes on, can increase multichannel drainage passageway effectively, increased the water production runner, improved the water yield for pure water yield/raw water inflow obtains improving, and adopts the side mode of intaking, effectively simplifies the inside water route of filter core.
Drawings
Fig. 1 is a schematic view of a water path structure when the spiral-wound membrane module of the present invention is unfolded;
fig. 2 is a schematic view of a water path structure when the winding of the roll-type membrane module of the present invention is completed;
fig. 3 is a schematic top view of the internal structure of fig. 2.
The reference numbers in the figures denote:
1. a central tube; 2. rolling the membrane; 21. a raw water inlet; 22. a wastewater outlet; 23. a pure water outlet; 3. a pure water diversion net; 4. a wastewater diversion net; 5. and (7) sealing the glue.
Detailed Description
As shown in fig. 1-3, the present invention provides a spiral wound membrane module, comprising:
the filter membrane comprises a central tube 1, wherein the central tube 1 is made of a filter material capable of allowing fluid to pass through, and further comprises a roll-type membrane 2 wound around the periphery of the central tube 1, the roll-type membrane 2 can allow the fluid to pass through and filter the fluid, a raw water inlet 21 is arranged on the roll-type membrane 2, and the raw water inlet 21 is arranged at one end of the roll-type membrane 2 along the axial direction of the central tube 1 and is close to the central tube 1 along the circumferential direction; one end of the roll membrane 2 in the axial direction of the central tube 1 is sealed at a position away from the central tube 1 in the circumferential direction (the close and the away are in an opposite relationship, and preferably sealed with a sealant 5).
The utility model discloses a set up the raw water inlet into roll formula membrane axial one end and be close to the position of center tube, and roll formula membrane axial one end is kept away from the position of center tube and is sealed to effectively make the distance between raw water import and the center tube more close, effectively reduced the circulation route of pure water runner, shortened the pure water runner, reduced the resistance that the pure water flows, improve the system water efficiency of reverse osmosis filter core, increase the flux; the central tube is arranged to be a structure (preferably a carbon rod) allowing fluid to pass through, the reverse osmosis membrane is rolled on the central tube, and compared with the existing structure in which the central tube is arranged outside the carbon rod to wind the RO membrane, the structure of the central tube is effectively omitted, the volume of the rolled reverse osmosis composite filter element is reduced, and the space of the composite filter element is reduced.
Preferably, the first and second electrodes are formed of a metal,
the roll-type membrane 2 is folded along the middle dividing line of the long edge of the roll-type membrane, the edge formed by folding is a folded edge, the folded edge is connected to the outer wall of the central tube 1, one side of the roll-type membrane 2 opposite to the folded edge is an open edge, and the open edge is a wastewater outlet 22 allowing wastewater to be discharged; the other end of the roll membrane 2 in the axial direction of the central tube is sealed so that fluid cannot pass through. The utility model discloses still carry out the fifty percent discount through following long limit center parting line with formula of book membrane, be connected to the outer wall of center tube to the hem, form into wastewater discharge's waste water delivery port to a side that the hem is relative, can effectively prolong dense water runner (waste water runner promptly) to reinforcing waste water is at filterable efficiency wherein, and the time that makes the raw water stop in the runner is longer, and the filter time that obtains is longer, improves filtration ratio, water economy resource.
Preferably, the first and second electrodes are formed of a metal,
a pure water outlet 23 is formed at one end of the central tube 1, which is axially opposite to the raw water inlet 21; and/or the central tube 1 is of a hollow cylinder structure; and/or the filter material capable of allowing fluid to pass comprises: at least one of a carbon material, a polypropylene pp material and a ceramic material; and/or the roll membrane 2 is a reverse osmosis membrane. The utility model discloses a pure water delivery port that sets up in one side of carrying on the back mutually with raw water inlet for the raw water filters via reverse osmosis membrane and flows from its axial one side through the center tube, has effectively reduced the circulation route of pure water, reduces the pure water resistance, improves reverse osmosis filter core's system water efficiency. 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 1 is of a cylindrical carbon rod structure made of the carbon material; or the central pipe 1 is in a cylindrical PP structure formed by the polypropylene PP material; or, the central tube 1 is a cylindrical ceramic tube structure made of the ceramic material. This is the preferred structural style of the center tube of the present invention, which is the preferred filtering structural style of the present invention, such as the structural style of carbon rod, PP cylinder and ceramic tube.
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.
Preferably, the first and second electrodes are formed of a metal,
the number of the rolled membranes 2 is at least two, and at least two of the rolled membranes 2 are attached to the outer wall of the central tube 1 at circumferentially different positions. This is the utility model discloses a preferred number and the structural style of book formula membrane are connected to the carbon-point center tube through the structural style that sets up a plurality of reverse osmosis membrane on, can increase multichannel drainage passageway effectively, have increased the product water runner, have improved the product water yield for pure water product yield/raw water inflow obtain improving, and adopt the side mode of intaking, effectively simplify the inside water route of filter core.
Preferably, the first and second electrodes are formed of a metal,
the water purifying device further comprises a pure water diversion net 3, wherein the pure water diversion net 3 is arranged between two adjacent roll-type membranes 2, one end of the pure water diversion net 3 is connected to the outer wall of the central tube 1, and the other end of the pure water diversion net 3 is wound along the same winding direction as the roll-type membranes 2. Can carry out the drainage effect to the pure water through setting up pure water drainage net to play the effect of effectively separating to two adjacent reverse osmosis membranes (set up pure water drainage net mesh and can also prevent the inhomogeneous problem of roll system membrane inner pure water runner water pressure in roll system reverse osmosis membrane pure water runner).
Preferably, the first and second electrodes are formed of a metal,
at least one pure water diversion net 3 is arranged between two adjacent roll-type membranes 2; and/or the rolled membrane 2 and the pure water diversion net 3 are uniformly arranged at intervals in the circumferential direction of the central pipe 1; and/or, when the waste water outlet 22 is included, the waste water outlets 22 formed by at least two rolled membranes 2 are uniformly arranged at intervals along the circumferential direction of the central tube 1. This is the utility model discloses a pure water drainage net preferred number, with the book formula membrane between the preferred mode of arranging to and corresponding mode of arranging between waste water delivery port and the book formula membrane, can strengthen the effective effect of carrying out the pure water drainage water conservancy diversion to the space between the adjacent two book formula membranes, and play even drainage, filtration and the effect of water conservancy diversion to rivers.
Preferably, the first and second electrodes are formed of a metal,
a waste water guide net 4 is arranged in the rolled membrane formed by folding, and the waste water guide net 4 is wound along the same winding direction as the rolled membrane 2. This is the utility model discloses a further preferred structural style of spiral wound module can play the effect of guide and water conservancy diversion to waste water (set up waste water diversion net mesh and can also prevent the inhomogeneous problem of system membrane internal concentrate runner water pressure in the system in system concentrate runner in system reverse osmosis membrane).
Preferably, the first and second electrodes are formed of a metal,
one end of the waste water diversion net 4 along the axial direction of the central tube 1 is connected to the inner wall of the roll-type membrane 2, and/or the other end of the waste water diversion net 4 along the axial direction of the central tube 1 is connected to the inner wall of the roll-type membrane 2; and/or at least one waste water diversion net 4 is arranged inside one rolled membrane 2. This is the utility model discloses a waste water diversion net's preferred structural style can strengthen the effect to the effective guide of waste water.
Preferably, the first and second electrodes are formed of a metal,
when simultaneously including pure water diversion net and waste water diversion net:
in a radial direction of the central tube: the length of the pure water diversion net after being unfolded is more than or equal to the length of the rolled membrane after being unfolded and is more than the length of the concentrated water diversion net; in the axial direction of the central tube: the length of the pure water diversion net after being unfolded is larger than the length of the concentrated water diversion net. Through the relation, the film rolling mode can be uniformly and regularly arranged (the outer perimeter is larger than the inner perimeter), the dense water net is arranged between the two-fold RO, and the sealing part mainly comprises the upper edge and the lower edge, and the pure water diversion net and the two-fold RO are equal in length and can have a better sealing effect.
Preferably, the first and second electrodes are formed of a metal,
after the roll-type membrane 2 is wound, the raw water inlet 21 is a circular ring in the whole circumference, and the diameter of the circular ring is smaller than one half of the diameter of the roll-type membrane module after the roll-type membrane is wound. As shown in fig. 1, the longer the raw water inlet, the greater the water inflow, the greater the water pressure in the membrane will increase, which is likely to damage the reverse osmosis membrane, and the longer the transverse length of the first-used reverse osmosis membrane, the longer the pure water channel at the water inlet at the rightmost end is relatively, and the shorter the opposite concentrated water channel is, for example, the width of the raw water inlet is too long, even under the action of water pressure, part of water will directly flow away along the concentrated water channel without being subjected to reverse osmosis filtration, and the effect of increasing the pure water ratio is lost, and 1/2 is a critical value, and the pure water channel at the water inlet at the rightmost end is at least as long as the concentrated water channel. Can make can enough reduce the length of pure water runner, can also prevent that pressure is too big and damage reverse osmosis membrane's effect, can also prevent that the pure water runner is too short and can't form effectual filtering action.
The utility model also provides a compound filter element group spare, it includes preceding arbitrary spiral wound module. The utility model discloses a set up the raw water inlet into roll formula membrane axial one end and be close to the position of center tube, and roll formula membrane axial one end is kept away from the position of center tube and is sealed to effectively make the distance between raw water import and the center tube more close, effectively reduced the circulation route of pure water runner, shortened the pure water runner, reduced the resistance that the pure water flows, improve the system water efficiency of reverse osmosis filter core, increase the flux; the utility model discloses still through carrying out the fifty percent discount with roll type membrane along the midline of long limit, to the hem be connected to the outer wall of center tube, form into waste water exhaust waste water delivery port to the relative side of hem, can effectively prolong dense water runner (be waste water runner), thereby strengthen the efficiency that waste water filters among them, make the time that the raw water stayed in the runner longer, the filter time who obtains is longer, improve the filtration ratio, the water economy resource;
the utility model discloses still set up the structure that the center tube allows the fluid to pass through (preferred carbon-point), roll up reverse osmosis membrane and make on this center tube, still need center tube outside the carbon-point in order to carry out the structure of coiling to the RO membrane in the existing, saved the structure of center tube effectively, reduced the volume of rolling up reverse osmosis composite filter element, reduced composite filter element's space; the utility model discloses still be connected to the carbon-point center tube through the structural style that sets up a plurality of reverse osmosis membranes on, can increase multichannel drainage passageway effectively, increased the water production runner, improved the water yield for pure water yield/raw water inflow obtains improving, and adopts the side mode of intaking, effectively simplifies the inside water route of filter core.
Preferably, the first and second electrodes are formed of a metal,
still including paper folding PP cotton, leading filtration carbon-point and ultrafiltration filter core, work as when center tube 1 is hollow tube structure, ultrafiltration filter core sets up the inside of center tube 1. This is the utility model discloses a compound filter element group spare's preferred structural style can play the effect of multistage filtration.
The utility model also provides a water purification system, it includes former any spiral wound module spare or former any compound filter element group spare.
The utility model discloses the RO membrane group (book formula membrane) of scheme is through forming a leaf or the fifty percent discount of many leaf reverse osmosis membrane, presss from both sides the one deck dense water conservancy diversion net in the middle of the RO membrane group and forms dense water runner, and a side of RO membrane group is provided with pure water conservancy diversion net, forms the pure water runner between pure water conservancy diversion net and RO membrane group, and wherein roll up the formula and use the RO membrane to the hem as the starting point, fix on the carbon-point, the spiral is rolled up and is formed, roll up the RO membrane group and can be evenly be separated by fixed book system formation for a plurality of the same RO membrane groups. The raw water inlet is arranged on a pure water flow channel at the upper end of the rolled RO membrane group close to the carbon rod, and the concentrated water outlet is arranged on the side surface of the rolled RO membrane group. The whole RO membrane group filter element integrates the functions of reverse osmosis and post-carbon filtration, thereby reducing central tube components and reducing the volume of the composite filter element.
Raw water enters from a raw water inlet at the upper end of the rolled RO membrane group, and is filtered by the RO membrane, concentrated water flows out from the side surface of the rolled RO membrane group along a concentrated water flow channel, and pure water flows to the carbon rod along a pure water flow channel and flows out from the lower end of the carbon rod under the action of gravity after being filtered by the carbon rod. Simplify the water route runner, shorten the pure water runner, prolong the dense water runner, improve filtration efficiency, simultaneously, because system RO membrane group is rolled up and can be formed by the even fixed system of rolling up of a plurality of the same RO membrane groups, can form many pure water, dense water runner simultaneously, improves the product water flux.
The utility model provides a book system multileaf reverse osmosis filter core that forms behind single page or multileaf reverse osmosis membrane fifty percent discount, and the traditional center tube of this multileaf reverse osmosis filter core cancellation, directly roll up the system on the post filtration carbon-point, the reverse osmosis membrane of multileaf reverse osmosis filter core (owing to there is the many pure water runners of relative independence) and the equal fixed connection of a plurality of pure water diversion net are on the carbon-point to prolong the life-span of multistage composite filter core, and improve the filter effect and the life of reverse osmosis filter core.
Particularly, the utility model discloses in cancelled traditional center tube of materials such as metal or plastics, through directly rolling up the system on the rearmounted carbon rod that filters with reverse osmosis membrane group. The multi-leaf reverse osmosis membrane is formed by folding a single-leaf reverse osmosis membrane or a multi-leaf reverse osmosis membrane in half, and the folded edges of the multi-leaf reverse osmosis membrane are fixedly connected to the rear filtering carbon rod; a concentrated water diversion net (namely a wastewater diversion net) is arranged in the middle of the folded multi-leaf reverse osmosis membrane; the pure water diversion net is two or more, and every pure water diversion net all fixed connection is on rearmounted filtration carbon-point.
Two or more pure water diversion nets are fixed on the post-positioned filtering carbon rod at even intervals, and at least one group of folding multi-leaf reverse osmosis membrane groups is arranged between every two pure water diversion nets; and the folded edges of all the folded multi-blade reverse osmosis membrane groups are fixed on the post-positioned filtering carbon rod; the pure water flow guide net and the outer side surface of the folded multi-leaf reverse osmosis membrane group form a pure water flow channel inside the filter element; the concentrated water guide net and the inner side surface of the folded multi-blade reverse osmosis membrane group form a concentrated water flow passage inside the filter element; each flow passage is isolated by bonding and sealing at the edge; wherein a section of non-sealing area is reserved at the position, close to the folded edge, of the folded multi-blade reverse osmosis membrane and is set as a raw water inlet; raw water flows into the water inlet filter element through the raw water inlet, flows into the pure water channel after being filtered by the multi-blade reverse osmosis membrane, flows into the post-filtration carbon rod along the pure water channel, flows out from the lower end of the carbon rod after being filtered by the carbon rod, and flows out from the concentrated water outlet on the side surface of the filter element along the concentrated water channel (due to a sealing mode, the filtered pure water can only flow to the central pipe under the action of water pressure, and the concentrated water is between the folded reverse osmosis membranes.
Wherein, the post-filter carbon rod can be solid or hollow;
furthermore, the folded multi-blade reverse osmosis membrane group and the pure water diversion net are uniformly fixed on the rear carbon rod at intervals; the formed concentrated water outlets are uniformly distributed on the side surface of the filter element at intervals;
furthermore, only one folded multi-blade reverse osmosis membrane group is arranged between every two pure water diversion nets, and only one concentrated water diversion net is arranged in the middle of the folded reverse osmosis membrane group;
furthermore, the formed raw water inlet is a full-circumference circular ring, and the diameter of the circular ring is less than one half of the diameter of the whole filter element;
furthermore, the folded reverse osmosis membrane group is formed by folding a single-leaf reverse osmosis membrane in half;
further, in the lateral direction with respect to the central carbon rod: the length of the pure water diversion net is more than or equal to the length of the reverse osmosis membrane group which is folded in half and is more than the length of the concentrated water diversion net; in the longitudinal direction relative to the central carbon rod: the length of the pure water diversion net is equal to the length of the reverse osmosis membrane group which is folded in half and is larger than the length of the concentrated water diversion net.
Furthermore, the post-filter carbon rod is of a hollow tubular structure.
Further this composite filter still includes that paper folding PP is cotton, leading filtration carbon-point, ultrafiltration, wherein ultrafiltration structure sets up in the middle of the post-positioned filtration carbon-point.
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 filter membrane comprises a central tube (1), wherein the central tube (1) is made of a filter material capable of allowing fluid to pass through, and further comprises a roll-type membrane (2) wound around the periphery of the central tube (1), the roll-type membrane (2) can allow the fluid to pass through and filter the fluid, a raw water inlet (21) is formed in the roll-type membrane (2), and the raw water inlet (21) is formed in one end, along the axial direction of the central tube (1), of the roll-type membrane (2) and is close to the central tube (1) in the circumferential direction; one end of the roll-type membrane (2) along the axial direction of the central tube (1) is sealed at a position far away from the central tube (1) along the circumferential direction.
2. The membrane module of claim 1, wherein:
the roll-type membrane (2) is folded along the middle dividing line of the long edge of the roll-type membrane in half, the edge formed by folding in half is a folded edge, the folded edge is connected to the outer wall of the central tube (1), one side of the roll-type membrane (2) opposite to the folded edge is an open edge, and the open edge is a wastewater outlet (22) allowing wastewater to be discharged; the other end of the roll membrane (2) along the axial direction of the central tube is sealed, so that fluid cannot pass through.
3. The membrane module of claim 1, wherein:
one end of the central tube (1), which is axially opposite to the raw water inlet (21), is formed into a pure water outlet (23); and/or the central tube (1) is of a hollow cylinder structure; and/or the filter material capable of allowing fluid to pass comprises: at least one of a carbon material, a polypropylene pp material and a ceramic material; and/or the roll-type membrane (2) is a reverse osmosis membrane.
4. The membrane module of claim 3, wherein:
the central tube (1) is of a cylindrical carbon rod structure consisting of the carbon material; or the central pipe (1) is of a cylindrical PP structure made of the polypropylene PP material; or the central tube (1) is a cylindrical ceramic tube structure made of the ceramic material.
5. The rolled membrane module according to any one of claims 1-4, characterized in that:
the number of the rolled membranes (2) is at least two, and at least two of the rolled membranes (2) are connected to the outer wall of the central tube (1) at circumferentially different positions.
6. The rolled membrane module according to claim 5, characterized in that:
the water purifying device is characterized by further comprising a pure water diversion net (3), wherein the pure water diversion net (3) is arranged between two adjacent roll-type membranes (2), one end of the pure water diversion net (3) is connected to the outer wall of the central pipe (1), and the other end of the pure water diversion net is wound along the same winding direction as the roll-type membranes (2).
7. The rolled membrane module according to claim 6, characterized in that:
at least one pure water diversion net (3) is arranged between two adjacent roll-type membranes (2); and/or the roll-type membrane (2) and the pure water diversion net (3) are arranged at even intervals in the circumferential direction of the central pipe (1); and/or when the waste water outlet (22) is included, the waste water outlets (22) formed by at least two rolled membranes (2) are uniformly arranged at intervals along the circumferential direction of the central pipe (1).
8. The rolled membrane module according to any one of claims 2-4, characterized in that:
a waste water diversion net (4) is arranged in the rolled membrane formed by folding in half, and the waste water diversion net (4) is wound along the same winding direction as the rolled membrane (2).
9. The membrane module of claim 8, wherein:
one end of the waste water diversion net (4) along the axial direction of the central pipe (1) is connected to the inner wall of the roll-type membrane (2), and/or the other end of the waste water diversion net (4) along the axial direction of the central pipe (1) is connected to the inner wall of the roll-type membrane (2); and/or at least one waste water diversion net (4) arranged inside one rolled membrane (2).
10. The membrane module of claim 8, wherein:
when simultaneously including pure water diversion net and waste water diversion net:
in a radial direction of the central tube: the length of the pure water diversion net after being unfolded is more than or equal to the length of the rolled membrane after being unfolded and is more than the length of the concentrated water diversion net; in the axial direction of the central tube: the length of the pure water diversion net after being unfolded is larger than the length of the concentrated water diversion net.
11. The rolled membrane module according to any one of claims 1-4, characterized in that:
after the roll-type membrane (2) is wound, the raw water inlet (21) is a full-circumference circular ring, and the diameter of the circular ring is smaller than one half of the diameter of the roll-type membrane module after the roll-type membrane is wound.
12. A composite filter element assembly, comprising: comprising a rolled membrane module according to any one of claims 1-11.
13. The composite filter element assembly of claim 12, wherein:
still including paper folding PP cotton, leading filtration carbon-point and ultrafiltration filter core, work as when center tube (1) is hollow tube structure, ultrafiltration filter core sets up the inside of center tube (1).
14. A water purification system, its characterized in that: comprising a wound membrane module according to any one of claims 1-11 or a composite filter element module according to any one of claims 12-13.
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| CN202010103184.XA Pending CN111185096A (en) | 2019-08-02 | 2020-02-19 | Compound filter element group spare and water purification system |
| CN202010105864.5A Pending CN111185102A (en) | 2019-08-02 | 2020-02-19 | Spiral wound membrane module and water purification system |
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| CN202010103163.8A Pending CN111229055A (en) | 2019-08-02 | 2020-02-19 | Compound filter element group spare and water purification system |
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- 2020-02-19 CN CN202010103364.8A patent/CN111185099A/en active Pending
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113754100A (en) * | 2021-09-17 | 2021-12-07 | 张官红 | Reverse osmosis membrane water purifier |
| CN113754100B (en) * | 2021-09-17 | 2023-10-31 | 南方智水科技有限公司 | Reverse osmosis membrane water purifier |
| CN115159710A (en) * | 2022-07-29 | 2022-10-11 | 佛山市美的清湖净水设备有限公司 | Filter core device and water purification unit |
| CN115159710B (en) * | 2022-07-29 | 2023-09-22 | 佛山市美的清湖净水设备有限公司 | Filter element device and water purification equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021164335A1 (en) | 2021-08-26 |
| CN111318175A (en) | 2020-06-23 |
| CN211886282U (en) | 2020-11-10 |
| CN111185102A (en) | 2020-05-22 |
| CN112295417B (en) | 2023-04-25 |
| CN112295417A (en) | 2021-02-02 |
| CN111229056A (en) | 2020-06-05 |
| CN111185099A (en) | 2020-05-22 |
| CN211886283U (en) | 2020-11-10 |
| CN111185097A (en) | 2020-05-22 |
| CN211886284U (en) | 2020-11-10 |
| CN211886285U (en) | 2020-11-10 |
| CN211886281U (en) | 2020-11-10 |
| CN111185100A (en) | 2020-05-22 |
| CN111185098A (en) | 2020-05-22 |
| CN111185096A (en) | 2020-05-22 |
| CN211886277U (en) | 2020-11-10 |
| CN211886280U (en) | 2020-11-10 |
| CN111229054A (en) | 2020-06-05 |
| CN211886278U (en) | 2020-11-10 |
| CN212091724U (en) | 2020-12-08 |
| CN111185101A (en) | 2020-05-22 |
| CN111229055A (en) | 2020-06-05 |
| CN111229057A (en) | 2020-06-05 |
| CN212091725U (en) | 2020-12-08 |
| CN212142159U (en) | 2020-12-15 |
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