CN103055702A - A reverse osmosis membrane element and a reverse osmosis water purification device - Google Patents
A reverse osmosis membrane element and a reverse osmosis water purification device Download PDFInfo
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- CN103055702A CN103055702A CN2012105818313A CN201210581831A CN103055702A CN 103055702 A CN103055702 A CN 103055702A CN 2012105818313 A CN2012105818313 A CN 2012105818313A CN 201210581831 A CN201210581831 A CN 201210581831A CN 103055702 A CN103055702 A CN 103055702A
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- osmosis membrane
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Abstract
The invention provides a reverse osmosis membrane element and a reverse osmosis water purification device which help to reduce costs and save installation space. The filter element of the reverse osmosis membrane element is formed by folding a composite layer in accordion fashion. The composite layer comprises leader cloth, a reverse osmosis membrane, a separating net, a reverse osmosis membrane, and leader cloth in sequence; wherein the reverse osmosis membrane, the separating net, and the reverse osmosis membrane form a water-producing flow passage. The position of the raw water inlet of the filter element and the position of the waste water outlet enable the water in the water-producing flow passage flows in a direction perpendicular to the folding direction of the accordion fashion. The reverse osmosis water purification device of the present invention is equipped with the reverse osmosis membrane element of the present invention.
Description
Technical field
The present invention relates to water technology, relate to especially a kind of reverse-osmosis membrane element and reverse osmosis water purifying plant.
Background technology
The common application form of reverse osmosis technology in water treatment is to make the spiral wound reverse-osmosis membrane element, claim again coiled reverse osmosis membrane element, its inside has one with the central tube in a plurality of holes and twists in alternately laminated multilayer reverse osmosis membrane and flow-guiding screen on the central tube.It generally has a columniform pressure vessel as housing, and central tube is connected by connector with the housing two ends.
In use, former water enters reverse-osmosis membrane element from housing one end, under the effect of pressure, becomes pure water after the filtration through reverse osmosis membrane of a part of water and enters central tube and flow out from central tube, and another part water flows out from the housing other end as waste water.
The reverse-osmosis membrane element of above-mentioned form need to adopt central tube, has increased cost, and its profile is cylindrical in addition, causes easily the waste of installing space in many application scenarios.
Summary of the invention
In view of this, the invention provides a kind of reverse-osmosis membrane element and reverse osmosis water purifying plant, help to reduce cost and save installing space.
For achieving the above object, according to an aspect of the present invention, provide a kind of reverse-osmosis membrane element.
The filter core of reverse-osmosis membrane element of the present invention is formed so that concertina style is folding by composite bed, and described composite bed is followed successively by selvage guide, reverse osmosis membrane, filter, reverse osmosis membrane, selvage guide, and wherein reverse osmosis membrane, filter, reverse osmosis membrane form and produce water flow passage; The position of the position of the raw water inlet of filter core and wastewater effluent mouth is so that the Direction of superposition that the water (flow) direction in the described product water flow passage folds perpendicular to described concertina style.
Alternatively, the two ends on the direction of described product water flow passage of described composite bed are rolled into the cylinder of individual pen along the water (flow) direction of parallel described product water flow passage, and two cylinders respectively have end sealing, are provided with backing material in the cylinder; Each some selvage guide of the inwall of described two cylinders and reverse osmosis membrane are removed, and remove the position as the entrance and exit of described product water flow passage.
Alternatively, the cylinder of described individual pen is square tube, and selvage guide and the reverse osmosis membrane of this a side are removed.
Alternatively, the shell of described reverse-osmosis membrane element is cuboid, and raw water inlet, wastewater effluent mouth and pure water delivery port all are positioned at the outside of the same side of described cuboid; The placement of described filter core in described shell put to being: the determined plane parallel of Direction of superposition that the water (flow) direction in the described product water flow passage and described concertina style fold is in described same side.
Alternatively, the cylinder of described individual pen is positioned at the inboard of the same side of described shell.
Alternatively, the end face of the end face of the close described same side of described filter core and offside is sealed.
According to a further aspect in the invention, provide a kind of reverse osmosis water purifying plant, had reverse-osmosis membrane element of the present invention in this reverse osmosis water purifying plant.
According to technical scheme of the present invention, do not need collector pipe in the structure of reverse-osmosis membrane element, help to reduce cost, and can form square structure, avoid the space waste.And can design arbitrarily as required the reverse osmosis membrane of the different rate of recovery, help to improve the rate of recovery of reverse-osmosis membrane element.The flow velocity of the runner inner fluid of present embodiment reverse-osmosis membrane element is very fast in addition, can prevent the pollution on film surface, increases the service life.
Description of drawings
Accompanying drawing is used for understanding the present invention better, does not consist of improper restriction of the present invention.Wherein:
Fig. 1 is the front view according to the reverse-osmosis membrane element of the embodiment of the invention;
Fig. 2 is the top view according to the reverse-osmosis membrane element of the embodiment of the invention;
Fig. 3 is the profile of the B-B direction of Fig. 1;
Fig. 4 is the schematic diagram according to the folding mode of the composite bed of the embodiment of the invention;
Fig. 5 is according to the water inlet of the filter core of the reverse-osmosis membrane element of the embodiment of the invention and the schematic diagram of delivery port;
Fig. 6 is the profile of the A-A direction among Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing example embodiment of the present invention is explained, to help understanding, they should be thought it only is exemplary comprising the various details of the embodiment of the invention.Therefore, those of ordinary skills will be appreciated that, can make various changes and modification to the embodiments described herein, and can not deviate from scope and spirit of the present invention.Equally, for clarity and conciseness, omitted the description to known function and structure in the following description.
Fig. 1 is the front view according to the reverse-osmosis membrane element of the embodiment of the invention, and Fig. 2 is the top view according to the reverse-osmosis membrane element of the embodiment of the invention.As depicted in figs. 1 and 2, pure water delivery port 11 and wastewater effluent mouth 12 and raw water inlet 13 are arranged at the top of the housing 14 of reverse-osmosis membrane element 10.
Fig. 3 is the profile of the B-B direction of Fig. 1.Can find out, accommodate filter core 40 in the housing 14 of reverse-osmosis membrane element, there is raw water inlet 42 and the wastewater effluent mouth 43 of filter core the inboard of one side of housing 14, corresponds respectively to raw water inlet 13 and wastewater effluent mouth 12 on the housing, and its concrete structure is referring to Fig. 4 and Fig. 5.
The filter core of the reverse-osmosis membrane element in the present embodiment is formed so that concertina style is folding by composite bed, this composite bed is followed successively by selvage guide, reverse osmosis membrane, filter, reverse osmosis membrane, selvage guide, wherein reverse osmosis membrane, filter, reverse osmosis membrane form and produce water flow passage, the position of the position of the raw water inlet of this reverse-osmosis membrane element and wastewater effluent mouth is so that produce water (flow) direction in the water flow passage perpendicular to the folding Direction of superposition of above-mentioned concertina style, specifically as shown in Figure 4 and Figure 5.
Fig. 4 is the schematic diagram according to the folding mode of the composite bed of the embodiment of the invention.As shown in Figure 4, the part that the cross section of filter core 40 is marked with oblique line is the cross section of composite bed, and composite bed is folding with common so-called concertina style, and the shape that makes the cross section is back and forth circuitous, and the composite bed of this part forms filter core main body 41.Composite bed is comprised of the selvage guide that stacks gradually, reverse osmosis membrane, filter, reverse osmosis membrane, selvage guide, wherein reverse osmosis membrane, filter, reverse osmosis membrane namely form the product water flow passage, water is circuitous therein back and forth to flow, namely be mainly to flow in the horizontal direction under the state shown in the figure, and a part sees through reverse osmosis membrane and oozes out, shown in arrow among the figure 45,46,47,48.Composite bed namely produces the cylinder that two ends on the direction of water flow passage are rolled into individual pen in the direction in illustrated horizontal direction, namely the raw water inlet among the figure 42 and wastewater effluent mouth 43 are provided with backing material (not shown this backing material among Fig. 4) in the cylinder.
Fig. 5 is according to the water inlet of the filter core of the reverse-osmosis membrane element of the embodiment of the invention and the schematic diagram of delivery port.Fig. 5 is that amplify the part of the square frame 44 among Fig. 4 and dextrorotation turn 90 degrees view afterwards.As shown in Figure 5, the selvage guide 51 that stacks gradually, reverse osmosis membrane 52, filter 53, reverse osmosis membrane 54, selvage guide 55 form composite bed.Clear in order to illustrate, leave certain blank among the figure between above-mentioned each layer, in fact adjacent layer contacts.Netted backing material 56 has been shown among Fig. 5, and middle circle 57,58 is expressed respectively water inlet, one of them as the water inlet of filter core then another as the delivery port of filter core.As can be seen from Figure 5, in cylinder 42,43 the inboard of individual pen, each some selvage guide and reverse osmosis membrane are removed, and are respectively the left side of water in-out port 57 and the right side of water in-out port 58, with the discrepancy of supplying water.
Fig. 6 is the profile of the A-A direction among Fig. 2.As shown in Figure 6, reverse-osmosis membrane element 10 has two of the Inlet and outlet water guide pillar 64(that loam cake 61, sealing gasket 62, top board 63, backing material above form), lower platen 65.Top board 63 and lower platen 65 are with the end face seal of the composite bed in the filter core.
When the reverse-osmosis membrane element in adopting present embodiment was made purifier, the corresponding mouth of a river that former water inlet, wastewater outlet and the pure water of this purifier is connected the reverse-osmosis membrane element that connects respectively in the present embodiment got final product.Can find out, not need collector pipe in the structure of the reverse-osmosis membrane element in the present embodiment, help to reduce cost, and can form square structure, avoid the space waste.And can design arbitrarily as required the reverse osmosis membrane of the different rate of recovery, help to improve the rate of recovery of reverse-osmosis membrane element.The flow velocity of the runner inner fluid of present embodiment reverse-osmosis membrane element is very fast in addition, can prevent the pollution on film surface, increases the service life.
The above-mentioned specific embodiment does not consist of limiting the scope of the invention.Those skilled in the art should be understood that, depend on designing requirement and other factors, and various modifications, combination, sub-portfolio and alternative can occur.Any modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the protection domain of the present invention.
Claims (7)
1. a reverse-osmosis membrane element is characterized in that,
The filter core of described reverse-osmosis membrane element is formed so that concertina style is folding by composite bed, and described composite bed is followed successively by selvage guide, reverse osmosis membrane, filter, reverse osmosis membrane, selvage guide, and wherein reverse osmosis membrane, filter, reverse osmosis membrane form and produce water flow passage;
The position of the position of the raw water inlet of filter core and wastewater effluent mouth is so that the Direction of superposition that the water (flow) direction in the described product water flow passage folds perpendicular to described concertina style.
2. reverse-osmosis membrane element according to claim 1 is characterized in that,
The two ends on the direction of described product water flow passage of described composite bed are rolled into the cylinder of individual pen along the water (flow) direction of parallel described product water flow passage, and two cylinders respectively have end sealing, are provided with backing material in the cylinder;
Each some selvage guide of the inwall of described two cylinders and reverse osmosis membrane are removed, and remove the position as the entrance and exit of described product water flow passage.
3. reverse-osmosis membrane element according to claim 2 is characterized in that, the cylinder of described individual pen is square tube, and selvage guide and the reverse osmosis membrane of this a side are removed.
4. reverse-osmosis membrane element according to claim 2 is characterized in that,
The shell of described reverse-osmosis membrane element is cuboid, and raw water inlet, wastewater effluent mouth and pure water delivery port all are positioned at the outside of the same side of described cuboid;
The placement of described filter core in described shell put to being: the determined plane parallel of Direction of superposition that the water (flow) direction in the described product water flow passage and described concertina style fold is in described same side.
5. reverse-osmosis membrane element according to claim 4 is characterized in that, the cylinder of described individual pen is positioned at the inboard of the same side of described shell.
6. reverse-osmosis membrane element according to claim 4 is characterized in that, the end face of the close described same side of described filter core and the end face of offside are sealed.
7. a reverse osmosis water purifying plant is characterized in that, has each described reverse-osmosis membrane element in the claim 1 to 6 in the described reverse osmosis water purifying plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105818313A CN103055702A (en) | 2012-12-28 | 2012-12-28 | A reverse osmosis membrane element and a reverse osmosis water purification device |
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| CN2012105818313A CN103055702A (en) | 2012-12-28 | 2012-12-28 | A reverse osmosis membrane element and a reverse osmosis water purification device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6197191B1 (en) * | 1995-12-04 | 2001-03-06 | Aloys Wobben | Device for filtering and separating flow media |
| CN101708433A (en) * | 2009-10-30 | 2010-05-19 | 艾欧史密斯（上海）水处理产品有限公司 | Coiled reverse osmosis membrane element |
| CN101711948A (en) * | 2009-10-30 | 2010-05-26 | 艾欧史密斯（上海）水处理产品有限公司 | Roll-type reverse-osmosis membrane element with variable-thickness channel net |
| CN203139905U (en) * | 2012-12-28 | 2013-08-21 | 艾欧史密斯（上海）水处理产品有限公司 | Reverse osmosis membrane element and reverse osmosis water purification equipment |
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- 2012-12-28 CN CN2012105818313A patent/CN103055702A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6197191B1 (en) * | 1995-12-04 | 2001-03-06 | Aloys Wobben | Device for filtering and separating flow media |
| CN101708433A (en) * | 2009-10-30 | 2010-05-19 | 艾欧史密斯（上海）水处理产品有限公司 | Coiled reverse osmosis membrane element |
| CN101711948A (en) * | 2009-10-30 | 2010-05-26 | 艾欧史密斯（上海）水处理产品有限公司 | Roll-type reverse-osmosis membrane element with variable-thickness channel net |
| CN203139905U (en) * | 2012-12-28 | 2013-08-21 | 艾欧史密斯（上海）水处理产品有限公司 | Reverse osmosis membrane element and reverse osmosis water purification equipment |
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Application publication date: 20130424 |