CN204485664U - A kind of Novel roll-type membrane component - Google Patents
A kind of Novel roll-type membrane component Download PDFInfo
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- CN204485664U CN204485664U CN201420780129.4U CN201420780129U CN204485664U CN 204485664 U CN204485664 U CN 204485664U CN 201420780129 U CN201420780129 U CN 201420780129U CN 204485664 U CN204485664 U CN 204485664U
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Abstract
The utility model relates to a kind of Novel roll-type membrane component, described wound membrane element comprises rolling layer structure and central tube 5, wherein, described rolling layer structure comprises produces water flow passage cloth 7, rolling diaphragm 8 and concentrated stream road cloth 6, described product water flow passage cloth 7 is located at rolling diaphragm 8 back side, concentrated stream road cloth 6 is located at rolling diaphragm 8 front, and the thickness of described concentrated stream road cloth 6 is 13mil ~ 20mil, and the thickness of described product water flow passage cloth 7 is 22 ~ 75mil.The utility model, by adopting thinner concentrated stream road cloth and thicker product water flow passage cloth, even increases the number of plies of producing water flow passage cloth, effectively can alleviate the diffusion phenomenon of salinity, guarantees the drinking water obtaining high-quality.
Description
[technical field]
The utility model relates to film water treatment technology, and more specifically, the utility model relates to one and has Novel roll-type membrane component.
[background technology]
Wound membrane element is the most widely used a kind of film application form in market.Wound membrane element is sandwich construction, rolled by low pressure reverse osmosis diaphragm (DF diaphragm) and form, and be provided with concentrated stream road cloth, produce the material webs such as water flow passage cloth, polyurethane adhesive and form built in central tube, make pure water through diaphragm by the effect of reverse osmosis pressure, formed after then being collected central tube by product water flow passage cloth and produce water.
But; for the water purifier equipment being suitable for rolled film; after using a period of time to shut down again; water in equipment causes the salinity of high concentration in dense water side in wound membrane element to penetrate into product water side through diaphragm owing to losing reverse osmosis pressure; cause salt concentration in the water of product water side too high, water quality is produced in impact.
This kind of wound membrane element manufacturing cost is higher; performance is insufficient; after operation shut down by water purifier, easily make product water water quality decline to a great extent; because thicker concentrated stream road cloth and thinner product water flow passage cloth make dense water side high salt concentration dilutional hyponatremia and to produce water side aquifer yield less; produce water side salinity when more easily causing direct drinking water purifier to shut down to uprise; thus cause water quality poor, easily produce incrustation scale.
[utility model content]
The purpose of this utility model is to provide the wound membrane element that a kind of structure is simple, effluent quality is better more stable, less scaling.
The utility model is achieved through the following technical solutions: a kind of Novel roll-type membrane component, described wound membrane element comprises rolling layer structure, be arranged on the central tube 5 of rolling layer structure central authorities, be wrapped in the sealing device outside rolling layer structure, described rolling layer structure is wrapped in outside central tube 5, the front end of described wound membrane element is water inlet end 1, sealing ring 2 is provided with near the position of water inlet end, the rear end of described central tube is for producing water end (W.E.) 10, wherein, described rolling layer structure comprises produces water flow passage cloth 7, rolling diaphragm 8 and concentrated stream road cloth 6, described product water flow passage cloth 7 is located at rolling diaphragm 8 back side, concentrated stream road cloth 6 is located at rolling diaphragm 8 front, rolling layer structure is wrapped in the outer rear flank of central tube, produce between water flow passage cloth 7 and concentrated stream road cloth 6 and opened by viscose material separates, respective formation produces water side 9 and dense water side 11, described product water side 9 communicates with product water end (W.E.) 10, the thickness of described concentrated stream road cloth 6 is 13mil ~ 20mil, the thickness of described product water flow passage cloth 7 is 22 ~ 75mil.
Term " mil " mil is mil (0.001 inch), 1mil=1/1000 inch=0.00254cm=0.0254mm.
According to a kind of preferred embodiment of above-mentioned wound membrane element, described product water flow passage cloth 7 has one deck or two-layer.Particularly preferably two-layer, every layer thickness is 30 ~ 35mil.
Preferably, described concentrated stream road cloth 6 is netted turbulence structure.
More preferably, producing water flow passage cloth 7 is train of thought type braiding structure.
According to one preferred embodiment, described sealing device is the waterproof gasket cement 3 be wrapped in outside rolling diaphragm.
In the utility model, the surface of central tube has produces water hole 12, and described product water hole 12 communicates with product water side 9.
Preferably, described viscose material is polyurethane adhesive.
In order to improve membrane element capability, alleviate the problem that wound membrane element produces the rising of water salt concentration, adopt thinner concentrated stream road cloth (13mil ~ 20mil), and adopt the runner cloth of netted turbulence structure to increase its number of grid, reduce dense water side 11 volume, to reduce the water yield of dense water side 11.On the other hand, adopt thicker product water flow passage cloth (22 ~ 75mil), even increase the number of plies of producing water flow passage cloth, and adopt the runner cloth of train of thought type braiding structure to increase groove number, increase and produce water side 9 volume, for more producing the water extraction of water side 9 for larger storage area, to increase the water yield of producing water side 9.
Changed by said structure, wound membrane element of the present utility model increases and more produces water capacity on the basis of the increase of original product water side salt concentration, transition in order to offset salinity increases, and effectively to alleviate the diffusion phenomenon of salinity, guarantees to provide the drinking water of high-quality.
Wound membrane element structure of the present utility model is simple, with low cost, production operation convenient, more superior than other wound membrane element performances existing, effectively can alleviate and produce water quality problem.Thinner concentrated stream road cloth makes membrane component influent side water yield volume diminish; adopt to thicken simultaneously and produce water flow passage cloth to increase product water side water yield volume; dense water side high concentration salinity can be reduced toward the relative salinity of producing water side diffusion after direct drinking water purifier is shut down, solve the defect that the product water salinity after direct drinking water purifier shutdown is too high.
[accompanying drawing explanation]
Fig. 1 is membrane component structural representation of the present utility model;
Fig. 2 is the front view of concentrated stream road cloth
Fig. 3 is the side view of concentrated stream road cloth
Fig. 4 is the front view producing water flow passage cloth
Fig. 5 is the side view producing water flow passage cloth
In figure 1, water inlet end, 2, film pipe box circle, 3, waterproof gasket cement, 4, label, 5, central tube, 6, concentrated stream road cloth, 7, produce water flow passage cloth, 8, rolling diaphragm, 9, produce water side, 10, produce water end (W.E.), 11, dense water side, 12, produce water hole.
[detailed description of the invention]
Following examples are used for explaining the technical solution of the utility model without limitation.Those skilled in the art can use for reference content of the present utility model, the links such as suitable change structure, annexation, material, parameter, size, technique realize other object corresponding, its relevant change does not all depart from content of the present invention, all similar replacements and change will become apparent to those skilled in the art that and all should be deemed to be included within scope of the present utility model.
Embodiment 1
Wound membrane element as shown in Figure 1, its rolling layer structure having central tube 5 and be wrapped in central tube 5 periphery, is wrapped in outermost waterproof gasket cement 3.The front end of wound membrane element is water inlet end 1, and rear end is for producing water end (W.E.) 10.
Rolling layer structure comprises the two-layer product water flow passage cloth 7, the rolling diaphragm 8 that are located at rolling diaphragm 8 back side and is located at one deck concentrated stream road cloth 6 in rolling diaphragm 8 front, they are wrapped in the outer rear flank of central tube, produce between water flow passage cloth 7 and concentrated stream road cloth 6 and opened by viscose material separates, form separately and produce water side 9 and dense water side 11.Concentrated stream road cloth 6 is the netted turbulence structure fabric of 20mil, as shown in Figure 2,3.Produce the train of thought type woven structural textile that water flow passage cloth 7 adopts 34mil, as shown in Figure 4,5.
Film pipe box circle 2 makes to be in sealing state outside membrane component, thus make the dense water side 11 axially entering membrane component inside into water from water inlet end 1, intake by the effect of reverse osmotic pressure, component permeate diaphragm 8 enters and produces water side 9, part is discharged by dense water side 11, the water produced in water side 9 is collected by producing water flow passage cloth 7, then enters in central tube 5 by producing water hole 12, is finally discharged to be formed by the product water end (W.E.) 10 of central tube 5 and produces water.
When the water in conventional membrane component is not when having reverse osmotic pressure, the salt branch diffusion of dense water side 11 middle and high concentration of rolling diaphragm 8 is in product water side 9, thus increase the salinity of producing water 10, this phenomenon can affect the performance of membrane component, easily causes incrustation scale phenomenon.
As a comparison, prepare a conventional wound membrane element A, be that producing water flow passage cloth adopts woven with the difference of embodiment 1.
The membrane component of embodiment 1 and wound membrane element A are carried out respectively direct drinking water purifier actual measurement to survey with single membrane component, with the change of group controlled observation front 10 glasss of product water TDS values after certain downtime.Result is as table 1:
Note: TDS unit is ppm, test fluid is running water, closes when water inlet and dense penstock are shut down simultaneously.
Can be judged by table 1; embodiment 1 is compared with existing A money wound membrane element; direct drinking water purifier produces water TDS value after shutting down again obvious downward trend; the product water water quality of high salt concentration is effectively improved; and product water TDS peak value can be advanced to the 3rd from the 7th glass to be occurred; appearance peak value comparatively early contributes to product water more high-quality below, and when peak value meets the requirements, then illustrates that direct drinking water purifier water outlet can be completely up to standard.
Embodiment 2
Preparation identical with embodiment 1, it is thick that difference is that concentrated stream road cloth that 20mil that just dense water side adopts is thick changes 15mil into, with the wound membrane element contrast test of embodiment 1.Data are as follows:
Table 2
Note: TDS unit is ppm, test fluid is running water, closes when water inlet and dense penstock are shut down simultaneously.
Can be found out by table 2, the advantage based on embodiment 1 continues membrane component structure optimization again, and direct drinking water purifier produces water TDS value after shutting down again more obvious downward trend, and the product water water quality of high salt concentration obtains more effective improvement, alleviates the quality problem of direct drinking.
Visible, adopt thinner concentrated stream road cloth and thicker product water flow passage cloth, even increase the number of plies of producing water flow passage cloth, effectively can alleviate the diffusion phenomenon of salinity, guarantee the drinking water obtaining high-quality.
Claims (8)
1. a Novel roll-type membrane component, described wound membrane element comprises rolling layer structure, be arranged on the central tube (5) of rolling layer structure central authorities, be wrapped in the sealing device outside rolling layer structure, described rolling layer structure is wrapped in central tube (5) outside, the front end of described wound membrane element is water inlet end (1), sealing ring (2) is provided with near the position of water inlet end, the rear end of described central tube is for producing water end (W.E.) (10), it is characterized in that described rolling layer structure comprises and produce water flow passage cloth (7), rolling diaphragm (8) and concentrated stream road cloth (6), described product water flow passage cloth (7) is located at rolling diaphragm (8) back side, concentrated stream road cloth (6) is located at rolling diaphragm (8) front, rolling layer structure is wrapped in the outer rear flank of central tube, produce between water flow passage cloth (7) and concentrated stream road cloth (6) and opened by viscose material separates, respective formation produces water side (9) and dense water side (11), described product water side (9) communicates with product water end (W.E.) (10), the thickness of described concentrated stream road cloth (6) is 13mil ~ 20mil, the thickness of described product water flow passage cloth (7) is 22 ~ 75mil.
2. wound membrane element according to claim 1, is characterized in that described product water flow passage cloth (7) has one deck or two-layer.
3. wound membrane element according to claim 1, is characterized in that described product water flow passage cloth (7) has two-layer.
4. wound membrane element according to claim 1, is characterized in that described concentrated stream road cloth (6) is netted turbulence structure.
5. wound membrane element according to claim 1, is characterized in that described product water flow passage cloth (7) is for train of thought type braiding structure.
6. wound membrane element according to claim 1, is characterized in that described sealing device is the waterproof gasket cement (3) be wrapped in outside rolling diaphragm.
7. wound membrane element according to claim 1, is characterized in that the surface of central tube has product water hole (12), and described product water hole (12) communicates with product water side (9).
8. wound membrane element according to claim 1, is characterized in that viscose material is polyurethane adhesive.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420780129.4U CN204485664U (en) | 2014-12-11 | 2014-12-11 | A kind of Novel roll-type membrane component |
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| CN201420780129.4U CN204485664U (en) | 2014-12-11 | 2014-12-11 | A kind of Novel roll-type membrane component |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579430A (en) * | 2018-05-10 | 2018-09-28 | 天津大学 | The method for coiling of multilayer water inlet flow channel cloth and its novel reverse-osmosis membrane element of composition |
| CN109621728A (en) * | 2018-12-07 | 2019-04-16 | 天津碧水源膜材料有限公司 | A kind of concentrated water runner cloth reducing coiled reverse osmosis membrane element pollution |
| CN112041052A (en) * | 2018-07-27 | 2020-12-04 | 株式会社Lg化学 | Separation membrane blade, spiral winding module comprising same and device |
-
2014
- 2014-12-11 CN CN201420780129.4U patent/CN204485664U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579430A (en) * | 2018-05-10 | 2018-09-28 | 天津大学 | The method for coiling of multilayer water inlet flow channel cloth and its novel reverse-osmosis membrane element of composition |
| CN108579430B (en) * | 2018-05-10 | 2020-10-30 | 天津大学 | Multilayer water inlet flow passage cloth and rolling method of novel reverse osmosis membrane element formed by same |
| CN112041052A (en) * | 2018-07-27 | 2020-12-04 | 株式会社Lg化学 | Separation membrane blade, spiral winding module comprising same and device |
| CN112041052B (en) * | 2018-07-27 | 2022-11-08 | 株式会社Lg化学 | Separation membrane blade, spiral winding module comprising same and device |
| US11707717B2 (en) | 2018-07-27 | 2023-07-25 | Lg Chem, Ltd. | Separator leaf, and spiral wound module and device comprising same |
| CN109621728A (en) * | 2018-12-07 | 2019-04-16 | 天津碧水源膜材料有限公司 | A kind of concentrated water runner cloth reducing coiled reverse osmosis membrane element pollution |
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