CN108479401A - RO membrane filters - Google Patents
RO membrane filters Download PDFInfo
- Publication number
- CN108479401A CN108479401A CN201810508715.6A CN201810508715A CN108479401A CN 108479401 A CN108479401 A CN 108479401A CN 201810508715 A CN201810508715 A CN 201810508715A CN 108479401 A CN108479401 A CN 108479401A
- Authority
- CN
- China
- Prior art keywords
- membrane
- membrane components
- shell
- support ring
- sealing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
-
- 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
-
- 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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/04—Specific sealing means
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/04—Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water
Abstract
The present invention provides a kind of RO membrane filters, shell one end has end cap, end cap to be equipped with waste water mouth, and the shell other end has water inlet and pure water outlet；Enclosure interior has RO membrane components, RO membrane components one end is equipped with faucet, RO membrane components have sealing ring between one end and shell of faucet, the region that RO membrane component outer diameter and inner walls of the sealing ring by proximal cover side surround is wastewater zone, the region that RO membrane components outer diameter and inner walls positioned at the sealing ring other side surround is inlet area, water inlet is communicated with the inlet area of RO membrane components end face, and pure water outlet is connected with faucet, and waste water mouth is communicated with wastewater zone；RO membrane components are cased with support ring to fix inside housings by one end of proximal cover, and gap is equipped between support ring and inner walls.The present invention not only improves the rate of recovery of RO membrane components, also increases total water purification amount, while reducing diaphragm width compared to common RO membrane components to shorten central tube and package adhesive tape, cost-effective expense.
Description
Technical field
The present invention relates to Water warfare fields, and in particular to arrives a kind of RO membrane filters.
Background technology
Common RO membrane components are will to be superimposed the composite multi-layer constituted by RO diaphragms, water inlet grid, pure water flow-guiding screen on the market
Central, tubular is wound at central tube is placed between folding RO diaphragms, and water inlet grid is located between the inner surface after RO diaphragms fold
The water inlet flow channel of composition, pure water flow-guiding screen are located at the production water flow passage constituted between the outer surface after reverse osmosis membrane folds, commonly
RO membrane components are to bond the both sides of the face of RO diaphragms and winding central tube tube wall with glue, and entire outer surface is wrapped with adhesive tape
Sealing is wrapped up in, then adds one layer of sealing ring.
Common RO membrane components common RO putaminas the to intake direction of direction and concentrated water discharge of arranging in pairs or groups is consistent, and former
Water flow passage is short and there is filtering dead angle, fails the effective rate of utilization for fully providing for RO diaphragms, can cause to extend with usage time
Using the easy fouling of RO membrane components, the filter efficiency of RO membrane components lowers, so as to shorten service life.
Invention content
In order to improve the filter efficiency and service life of RO membrane components, the present invention provides a kind of RO membrane filters, RO films
The shell one end of filter is provided with end cap, and end cap inner wall is equipped with sealing ring and is fastened on shell one end by thread seal, holds
The end face of lid is equipped with waste water mouth, and the shell other end is provided with water inlet and pure water outlet；
Enclosure interior is provided with RO membrane components, and RO membrane components are blocked by one end of proximal cover, the other end be equipped with faucet with
The central tube of RO membrane components is connected, and RO membrane components have seal ring seal cooperation between one end and shell of faucet, close
The region that RO membrane component outer diameter and inner walls of the seal ring by proximal cover side surround is wastewater zone, is located at the sealing ring other side
RO membrane components outer diameter and the region that surrounds of inner walls be inlet area, wastewater zone and inlet area by sealing ring isolation not
Intercommunication, water inlet are communicated with the inlet area of RO membrane components end face, and pure water outlet is connected with faucet, waste water mouth and wastewater zone
It communicates；
RO membrane components by one end of proximal cover be cased with support ring with it is fixed inside housings, and support ring and inner walls it
Between be equipped with gap.
Further, the both ends of RO membrane components are wrapped in RO membrane surfaces, sealing ring and support ring difference using fluid sealant
It is sheathed on the both ends of RO membrane components.
Further, support ring is plastic sleeve.
Further, several ring-shaped distributed fins are provided on the outer diameter of support ring, fin is connected to support ring
Between outer diameter and inner walls.
The beneficial effects of the present invention are：
1) it is not necessarily to become more common RO membrane filters, it is only necessary to adjust its Inlet and outlet water mode, the diaphragm of RO membrane components is shortened in collocation
Width so that membrane component transverse flow channels narrow, and lateral inflow uniformly and winds the extension of diaphragm, increases raw water and film contact
Time increases membrane surface flushing strength, and there is no conventional membrane components easily to form dead zone, not only improves RO membrane components
The rate of recovery, and increase total water purification amount.
2) improve RO membrane components increase sleeve being integrally formed structural member fill the remaining spaces of common RO membrane filters,
Central tube and package adhesive tape, cost-effective expense can be shortened by reducing diaphragm width compared to common RO membrane components.
3) common RO membrane components rolling technology to be improved, is also increased without other particular components, overall construction design is simple,
The practicability of membrane component can be improved.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the conventional apopore schematic diagram of the common filter of current techniques；
Fig. 2 is the conventional Inlet and outlet water schematic diagram of the common filter of current techniques；
Fig. 3 is the change paddle hole schematic diagram of the RO membrane filters of the present invention；
Fig. 4 is the change Inlet and outlet water schematic diagram of the RO membrane filters of the present invention；
Fig. 5 is the structural schematic diagram of the sealing ring of RO membrane components and plastic sleeve in one embodiment of the invention.
Specific implementation mode
In the following description, a large amount of concrete details are given in order to provide more thorough understanding of the invention.So
And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to
Implement.In other examples, in order to avoid with the present invention obscure, for some technical characteristics well known in the art not into
Row description.
In order to thoroughly understand the present invention, detailed step and detailed structure will be proposed in following description, so as to
Illustrate technical scheme of the present invention.Presently preferred embodiments of the present invention is described in detail as follows, however other than these detailed descriptions, this
Invention can also have other embodiment.
Fig. 1-2 shows the schematic diagram of current common RO membrane filters, and 1 one end of shell is fixed with end cap 2, in end cap 2
Wall is equipped with sealing ring 3 and is fastened on 1 one end of shell by thread seal, and the end face of end cap 1 is equipped with water inlet 10, and shell 1 is another
End is equipped with pure water mouth 8 and waste water mouth 9.RO membrane components 4 are equipped in shell 1,4 left end of RO membrane components is fixed with annular sealing ring 7, right
The center mouth at end is directly clamped among in shell.When work, raw water enters RO membrane components from left side, pure to having through central tube discharge pure water
The mouth of a river 8, the waste water mouth 9 of concentrated water from the side are discharged.
This common RO membrane components are mounted in common RO membrane filters, and the end cap of common RO membrane filters is logical for raw water
Road, a part of raw water forms pure water through RO membrane filtrations and is flowed into central tube along pure water flow-guiding screen, remaining not filter formation
Concentrated water exits into the waste water mouth of the putamina of common RO membrane filters along water inlet grid from the other end of element.It is this common
RO membrane components common RO putaminas the to intake direction of direction and concentrated water discharge of arranging in pairs or groups is consistent, and raw water runner is short and deposits
At filtering dead angle, fail the effective rate of utilization for fully providing for RO diaphragms, can cause to use RO membrane components with usage time extension
The filter efficiency of easy fouling, RO membrane components lowers, so as to shorten service life.
In order to improve the filter efficiency and service life of RO membrane components, the present invention provides a kind of novel RO membrane filtrations
Device, as in Figure 3-5,21 one end of shell of RO membrane filters are provided with end cap 22, and 22 inner wall of end cap is equipped with sealing ring 23 and leads to
It crosses thread seal and is fastened on 21 one end of shell, the end face of end cap 22 is equipped with waste water mouth 29, and 21 other end of shell is provided with water inlet
20 and pure water outlet 28；Shell 21 is internally provided with RO membrane components 24, and RO membrane components are blocked by one end of proximal cover 22, the other end
Be connected with the central tube of RO membrane components equipped with faucet 25, and RO membrane components 24 close to one end of faucet 25 and inner walls it
Between have sealing ring 27 sealing cooperation, sealing ring 27 by 22 side of proximal cover 24 outer diameter of RO membrane components and 21 inner wall of shell surround
Region be wastewater zone (illustrate sealing ring 27 left area), be located at the 27 ring other sides of sealing 24 outer diameter of RO membrane components and
The region that 21 inner wall of shell surrounds is inlet area (illustrating 27 right area of sealing ring), and wastewater zone and inlet area are by close
Seal ring 27 completely cuts off not intercommunication, and water inlet 20 is communicated with the inlet area of 24 end face of RO membrane components, pure water outlet 28 and faucet 25
It is connected, waste water mouth 29 is communicated with wastewater zone.RO membrane components 24 are cased with support ring 26 to be fixed on shell by one end of proximal cover 22
Inside body 21, several ring-shaped distributed fin 26a are provided on the outer diameter of support ring 26, fin 26a is connected to support ring 26
Outer diameter and inner walls between, reserve the channel of effluent.Support ring 26 has certain length in the axial direction, it is possible to reduce
The width of RO membrane components 24.
The water inlet end face of RO membrane components 24 is in the multiple symmetrical inlet openings of tube body intermediate distribution.RO membrane components include reverse osmosis
Diaphragm, RO diaphragms just inward-facing doubling overlapping are circumferentially wrapped on central tube jointly, formed between the interlayer of RO diaphragms front into
Water flow passage, forms production water flow passage between the reverse side interlayer of RO diaphragms, and central tube is located at the centre of water inlet interlayer runner, multilayer RO films
Piece is wound RO membrane components through end face seal, and the superficial layers of RO membrane components is without sealing waste water runner, the center of RO membrane components
Pipe has the pure water outlet of connection pure water runner, and central tube is in the centre position of RO diaphragm folded portions.
The both ends of RO membrane components 24 are wrapped in RO membrane surfaces using fluid sealant, and sealing ring 27 and support ring 26 are arranged respectively
In the both ends of RO membrane components.In an optional embodiment, support ring 26 is plastic sleeve.
The beneficial effects of the present invention are：
1) it is not necessarily to become more common RO membrane filters, it is only necessary to adjust its Inlet and outlet water mode, the diaphragm of RO membrane components is shortened in collocation
Width so that membrane component transverse flow channels narrow, and lateral inflow uniformly and winds the extension of diaphragm, increases raw water and film contact
Time increases membrane surface flushing strength, and there is no conventional membrane components easily to form dead zone, not only improves RO membrane components
The rate of recovery, and increase total water purification amount.
2) improve RO membrane components increase sleeve being integrally formed structural member fill the remaining spaces of common RO membrane filters,
Central tube and package adhesive tape, cost-effective expense can be shortened by reducing diaphragm width compared to common RO membrane components.
3) common RO membrane components rolling technology to be improved, is also increased without other particular components, overall construction design is simple,
The practicability of membrane component can be improved.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, wherein the equipment and structure be not described in detail to the greatest extent are construed as giving reality with the common mode in this field
It applies；Any technical person familiar with the field, without departing from the scope of the technical proposal of the invention, all using the disclosure above
Methods and technical content many possible changes and modifications are made to technical solution of the present invention, or be revised as equivalent variations etc.
Embodiment is imitated, this is not affected the essence of the present invention.Therefore, every content without departing from technical solution of the present invention, foundation
The technical spirit any simple modifications, equivalents, and modifications made to the above embodiment of the present invention, still fall within the present invention
In the range of technical solution protection.
Claims (4)
1. a kind of RO membrane filters, which is characterized in that the shell one end of RO membrane filters is provided with end cap, and end cap inner wall is equipped with close
Seal is simultaneously fastened on shell one end by thread seal, and the end face of end cap is equipped with waste water mouth, and the shell other end is provided with water inlet
And pure water outlet；
Enclosure interior is provided with RO membrane components, and RO membrane components are blocked by one end of proximal cover, and the other end is equipped with faucet and RO films
The central tube of element is connected, and RO membrane components have seal ring seal cooperation, sealing ring between one end and shell of faucet
The region that RO membrane components outer diameter and inner walls by proximal cover side surround is wastewater zone, is located at the RO of the sealing ring other side
The region that membrane component outer diameter and inner walls surround is that inlet area, wastewater zone and inlet area be not mutual by sealing ring isolation
Logical, water inlet is communicated with the inlet area of RO membrane components end face, and pure water outlet is connected with faucet, waste water mouth and wastewater zone phase
It is logical；
RO membrane components are cased with support ring to fix inside housings by one end of proximal cover, and are set between support ring and inner walls
There is gap.
2. RO membrane filters as described in claim 1, which is characterized in that the both ends of RO membrane components are wrapped in RO using fluid sealant
Membrane surface, sealing ring and support ring are sheathed on the both ends of RO membrane components respectively.
3. RO membrane filters as described in claim 1, which is characterized in that support ring is plastic sleeve.
4. RO membrane filters as described in claim 1, which is characterized in that be provided with several annular in shape points on the outer diameter of support ring
The fin of cloth, fin are connected between the outer diameter of support ring and inner walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810508715.6A CN108479401A (en) | 2018-05-24 | 2018-05-24 | RO membrane filters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810508715.6A CN108479401A (en) | 2018-05-24 | 2018-05-24 | RO membrane filters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108479401A true CN108479401A (en) | 2018-09-04 |
Family
ID=63352027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810508715.6A Pending CN108479401A (en) | 2018-05-24 | 2018-05-24 | RO membrane filters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108479401A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112774440A (en) * | 2019-11-06 | 2021-05-11 | 恩特格里斯公司 | Filter with improved fluid flow |
-
2018
- 2018-05-24 CN CN201810508715.6A patent/CN108479401A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112774440A (en) * | 2019-11-06 | 2021-05-11 | 恩特格里斯公司 | Filter with improved fluid flow |
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