CN201799219U - Reverse osmosis filter with water yielded at two ends - Google Patents

Reverse osmosis filter with water yielded at two ends Download PDF

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Publication number
CN201799219U
CN201799219U CN2010205494931U CN201020549493U CN201799219U CN 201799219 U CN201799219 U CN 201799219U CN 2010205494931 U CN2010205494931 U CN 2010205494931U CN 201020549493 U CN201020549493 U CN 201020549493U CN 201799219 U CN201799219 U CN 201799219U
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CN
China
Prior art keywords
water
pure water
filter flask
membrane component
membrane
Prior art date
Application number
CN2010205494931U
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Chinese (zh)
Inventor
侯贻直
聂旻
李顺勇
何耀华
Original Assignee
艾欧史密斯(上海)水处理产品有限公司
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Application filed by 艾欧史密斯(上海)水处理产品有限公司 filed Critical 艾欧史密斯(上海)水处理产品有限公司
Priority to CN2010205494931U priority Critical patent/CN201799219U/en
Application granted granted Critical
Publication of CN201799219U publication Critical patent/CN201799219U/en

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Abstract

The utility model discloses a reverse osmosis filter with water yielded at two ends. A central pipe of the filter is a water inlet pipe, the two end faces of each membrane element are provided with pure water outlets, and the circumferential surface is provided with a concentrated water outlet; and two ends of each membrane element are provided with an upper end cover and a lower end cover so as to divide the remaining space in a filter flask into an upper pure water chamber, a lower pure water chamber, a concentrated water chamber surrounding the circumferential surface of each membrane element and a raw water chamber positioned under the membrane elements, and the upper pure water chamber and the lower pure water chamber are respectively positioned above and under each membrane element; and the open end of the central pipe is inserted into the pure water chamber, and parts of the filter flask, which correspond to the upper pure water chamber, the lower pure water chamber, the concentrated water chamber and the raw water chamber, are respectively provided with an upper pure water discharge hole, a lower pure water discharge hole, a concentrated water discharge hole and a raw water discharge hole. The reverse osmosis filter with water yielded at two ends has the advantages of reducing of concentration polarization of the membrane surfaces, uniform water distribution and avoidance of water-inlet dead angle, thus prolonging the service life of the membrane elements, reducing the scale formation on the membrane elements caused by entered water and ensuring the quality of prepared water.

Description

The reverse osmosis filter of water is produced at two ends

Technical field

The utility model belongs to the household water filter technical field, relates in particular to the reverse osmosis filter that is used for household water filter.

Background technology

The reverse osmosis filter that water is produced at two ends mainly comprises filter flask, filter flask lid and the reverse-osmosis membrane element that is arranged in filter flask, and reverse-osmosis membrane element then is made of central tube and the counter-infiltration diaphragm that is wrapped on the central tube.Produce in the reverse osmosis filter of water at the two ends of prior art, all be to adopt central tube as water producing pipe, the pure water that obtains after promptly filtering is to flow out from central tube, and former current advance membrane component, concentrated stream goes out membrane component can only adopt following dual mode, to be former water flow to from an end face of membrane component a kind of mode, and dense water flows out from the other end of membrane component; To be former water flow to from an end face or the both ends of the surface of membrane component another kind of mode, and dense water is reserved from the circumference side of membrane component.

For first kind of mode, because runner is wide, flow process is short, and the speed of water inlet in runner is slower, and the film surface is easy to generate the concentration polarization phenomenon, thereby causes membrane component to pollute, and makes salt rejection rate and aquifer yield reduce the membrane component lost of life.

For the second way, if only leave water inlet near the position of central tube, can overcome the concentration polarization phenomenon, but owing to be 90 degree water inlets, can there be the water inlet dead angle in the raw water inlet place at the membrane component end face, the time has been grown easy fouling, influences effluent quality.

The utility model content

Technical problem to be solved in the utility model provides a kind ofly can reduce the concentration polarization of film surface, improve service life and water distribution evenly, avoid existing the reverse osmosis filter of two ends product water at dead angle of intake, to overcome the defective that prior art exists.

In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:

The reverse osmosis filter of water is produced at a kind of two ends, comprise that being located at filter flask filter flask lid on one's body by filter flask body and revolving constitutes filter flask and be located at membrane component in the filter flask, has central tube in the described membrane component, described central tube one end opening, be distributed with the water hole on one end shutoff and the body, it is characterized in that: described central tube is a water inlet pipe, described membrane component both ends of the surface have the pure water outlet, periphery has dense water out, described membrane component two ends also are provided with, bottom end cover, remaining space segmentation in the filter flask is become to be positioned on the membrane component, the last pure water chamber of lower end, following pure water chamber is around the dense water cavity of membrane component periphery and the former water cavity that is positioned at the membrane component lower end; The openend of described central tube inserts the pure water chamber, and described filter flask is corresponding described goes up the pure water chamber, the position of pure water chamber, dense water cavity, former water cavity has respectively that last pure water tap hole, following pure water tap hole, concentrated stream portal, former flow into bore down.

In the specific embodiment of the present utility model, described water chamber down is around former water cavity.Described upward pure water tap hole is positioned at filter flask and covers, and described pure water tap hole, concentrated stream down portal, former flow into bore is positioned at filter flask body bottom.

Adopt technique scheme, the utlity model has reduce film surface concentration polarization and water distribution evenly, avoid having the advantage at dead angle of intaking, thereby improved membrane component service life and reduced the water inlet fouling of membrane component, guaranteed the system water quality.In addition, owing to be the two ends water outlets, the big advantage of aquifer yield is arranged again.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is elaborated:

Fig. 1 is a structural representation of the present utility model.

The specific embodiment

As shown in Figure 1, the reverse osmosis filter of water is produced at a kind of two ends, comprises by filter flask body 110 and revolve the filter flask lid 120 that is located on the filter flask body 110 constituting filter flask 100 and being located at membrane component 200 in the filter flask 100.

Wherein membrane component 200 has central tube 201, be distributed with water hole 202 on central tube 201 1 end openings, an end shutoff and the body, in the utility model, central tube 201 uses as water inlet pipe, membrane component 200 both ends of the surface have pure water outlet 203, and periphery has dense water out 204.

In addition, membrane component 200 two ends also are provided with upper and lower end cap 210,220, remaining space segmentation in the filter flask 100 is become to be positioned at the last pure water chamber 300 of a membrane component 200 upper and lower ends, following pure water chamber 400, around the dense water cavity 500 of membrane component 200 peripheries and the former water cavity 600 that is positioned at membrane component 200 lower ends; And the openend 205 of central tube 201 inserts pure water chambeies 600, and filter flask 100 is corresponding goes up pure water chambeies 300, the positions of pure water chamber 400, dense water cavity 500, former water cavity 600 have respectively that last pure water tap hole 701, following pure water tap hole 702, concentrated stream portal 703, former flow into bore 704 down.Following pure water chamber 400 is provided with around former water cavity 600.

Particularly, filter flask lid 120 comprises protruding neck 121 of outer toroid and the protruding neck 122 of interior annulus, and protruding neck 121 outer surfaces of outer toroid have screw thread.Last pure water tap hole 701 is positioned at the center of filter flask lid 120.

Filter flask body 110 top inner surface have and filter flask lid 120 screw threads that cooperate.The bottom of filter flask body 110 has interior annular convex collar 111 and around the outer annular collar 112 of interior annular convex collar 111.Former flow into bore 704 is positioned at the position of correspondence annular convex collar 111 inside, filter flask body 110 bottom.Following pure water tap hole 702 is the position between annular convex collar 111 and the outer annular collar 112 in filter flask body 110 bottom correspondences.Concentrated stream outlet 703 then is positioned at the position of outer annular collar 112 outsides of filter flask body 110 bottom correspondences.

Upper end cover 210 is by annular endplate 211 and be connected in annular endplate 211 inward flanges and upwardly extending around shaping drum 212 and connect annular endplate 211 outward flanges and the annular retaining ring 213 that extends constitutes downwards.Bottom end cover 220 is by annular endplate 221 and be connected in annular endplate 221 inward flanges and the around shaping drum 222 that extends downwards and connect the outer peripheral and upwardly extending annular bound edge 223 of annular endplate and constitute.

The annular endplate 211 of upper end cover 210 is pressed in the outside end face of the upper surface of membrane component 200, and the around shaping drum 212 of upper end cover 210 stretches in the interior annular convex collar 122 of filter flask lid 120, and seal with sealing ring between around shaping drum 212 and the interior annular convex collar 122, go up pure water chamber 300 thereby form.

The annular endplate 221 of bottom end cover 220 is pushed down the outside end face of the lower surface of membrane component 200, and the around shaping drum 222 of bottom end cover 220 stretches into the outer annular collar 112 of filter flask body 110 bottoms, and between seal with sealing ring, 223 of annular bound edges are wrapped in the edge, lower surface of membrane component 200; The openend 205 of central tube 201 inserts in the interior annular convex collar 111 of filter flask bodies 110 bottoms, between also seal with sealing ring; The annular retaining ring 213 of upper end cover 210 then blocks the edge, upper surface of membrane component 200 and the gap between the filter flask body, forms pure water chamber 400, former water cavity 600 and dense water cavity 500 down so respectively.

Owing to adopt central tube as water inlet pipe, and make that the membrane component both ends of the surface are the pure water outlet, the membrane component periphery is dense water out, former like this water enters and water hole on central tube enters the counter-infiltration diaphragm of winding with the direction towards dense water out from central tube, and flow along counter-infiltration diaphragm winding direction, filter, so just make whole filter process runner short, long flow path, improved the flowing velocity of former water in membrane component, thereby can overcome the concentration polarization phenomenon, lowered the membrane component pollution, improve salt rejection rate and aquifer yield, and then prolonged service life of membrane component, again since former current to advance the discharge direction of direction and dense water consistent, therefore, can there be water inlet dead angle problem yet, thereby have avoided fouling.

In sum, the utlity model has reduce the concentration polarization of film surface and water distribution evenly, avoid having the advantage at dead angle of intaking, thereby improved membrane component service life and reduced the water inlet fouling of membrane component, guaranteed the system water quality.In addition, owing to be the two ends water outlets, the big advantage of aquifer yield is arranged again.

But; those skilled in the art will recognize that; the above-mentioned specific embodiment is exemplary; be in order better to make those skilled in the art can understand this patent; can not be interpreted as it is restriction to this patent protection domain; so long as according to spirit that this patent discloses done anyly be equal to change or modify, all fall into the scope of this patent protection.

Claims (3)

1. the reverse osmosis filter of water is produced at two ends, comprise that being located at filter flask filter flask lid on one's body by filter flask body and revolving constitutes filter flask and be located at membrane component in the filter flask, has central tube in the described membrane component, described central tube one end opening, be distributed with the water hole on one end shutoff and the body, it is characterized in that: described central tube is a water inlet pipe, described membrane component both ends of the surface have the pure water outlet, periphery has dense water out, described membrane component two ends also are provided with, bottom end cover, remaining space segmentation in the filter flask is become to be positioned on the membrane component, the last pure water chamber of lower end, following pure water chamber is around the dense water cavity of membrane component periphery and the former water cavity that is positioned at the membrane component lower end; The openend of described central tube inserts the pure water chamber, and described filter flask is corresponding described goes up the pure water chamber, the position of pure water chamber, dense water cavity, former water cavity has respectively that last pure water tap hole, following pure water tap hole, concentrated stream portal, former flow into bore down.
2. the reverse osmosis filter of water is produced at two ends according to claim 1, it is characterized in that: described water chamber down is around former water cavity.
3. the reverse osmosis filter of water is produced at two ends according to claim 1 and 2, it is characterized in that: described upward pure water tap hole is positioned at filter flask and covers, and described pure water tap hole, concentrated stream down portal, former flow into bore is positioned at filter flask body bottom.
CN2010205494931U 2010-09-30 2010-09-30 Reverse osmosis filter with water yielded at two ends CN201799219U (en)

Priority Applications (1)

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CN2010205494931U CN201799219U (en) 2010-09-30 2010-09-30 Reverse osmosis filter with water yielded at two ends

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Application Number Priority Date Filing Date Title
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CN201799219U true CN201799219U (en) 2011-04-20

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104587831A (en) * 2014-11-13 2015-05-06 九阳皮克布朗(北京)净水科技有限公司 High-efficiency water-saving filter core realizing water inlet at upper and lower ends of membrane module by contact with one end
CN105016429A (en) * 2014-04-21 2015-11-04 株式会社皮克布朗 Reverse osmosis membrane filter having fluid channel formed on side surface thereof
CN105800809A (en) * 2016-04-08 2016-07-27 横店集团东磁股份有限公司 Non-electric and wastewater-free household reverse osmosis water purifier
CN106139904A (en) * 2016-07-29 2016-11-23 佛山市美的清湖净水设备有限公司 Reverse osmosis membrane assembly, filter element and water purifier
CN106904692A (en) * 2017-03-30 2017-06-30 浙江绿龙新材料有限公司 A kind of reverse osmosis water purification units of detectable water quality
CN108644427A (en) * 2018-06-26 2018-10-12 浙江沁园水处理科技有限公司 A kind of integral type bivalve module and its water purifier
CN108644426A (en) * 2018-06-26 2018-10-12 浙江沁园水处理科技有限公司 A kind of series connection bivalve module and its water purifier
CN110508146A (en) * 2019-09-20 2019-11-29 珠海格力电器股份有限公司 Reverse osmosis membrane filter element and water purifier

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105016429A (en) * 2014-04-21 2015-11-04 株式会社皮克布朗 Reverse osmosis membrane filter having fluid channel formed on side surface thereof
US20160220956A1 (en) * 2014-04-21 2016-08-04 Picogram Co., Ltd. Reverse Osmosis Membrane Filter Having Fluid Channel Formed On Side Surface Thereof
CN104587831A (en) * 2014-11-13 2015-05-06 九阳皮克布朗(北京)净水科技有限公司 High-efficiency water-saving filter core realizing water inlet at upper and lower ends of membrane module by contact with one end
CN105800809A (en) * 2016-04-08 2016-07-27 横店集团东磁股份有限公司 Non-electric and wastewater-free household reverse osmosis water purifier
CN105800809B (en) * 2016-04-08 2019-01-25 横店集团东磁股份有限公司 A kind of no electricity is without waste water household reverse osmosis water purifier
CN106139904A (en) * 2016-07-29 2016-11-23 佛山市美的清湖净水设备有限公司 Reverse osmosis membrane assembly, filter element and water purifier
CN106904692A (en) * 2017-03-30 2017-06-30 浙江绿龙新材料有限公司 A kind of reverse osmosis water purification units of detectable water quality
CN108644427A (en) * 2018-06-26 2018-10-12 浙江沁园水处理科技有限公司 A kind of integral type bivalve module and its water purifier
CN108644426A (en) * 2018-06-26 2018-10-12 浙江沁园水处理科技有限公司 A kind of series connection bivalve module and its water purifier
CN108644427B (en) * 2018-06-26 2019-10-29 浙江沁园水处理科技有限公司 A kind of integral type bivalve module and its water purifier
CN108644426B (en) * 2018-06-26 2019-10-29 浙江沁园水处理科技有限公司 A kind of series connection bivalve module and its water purifier
CN110508146A (en) * 2019-09-20 2019-11-29 珠海格力电器股份有限公司 Reverse osmosis membrane filter element and water purifier

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: 211200 Lishui Economic Development Zone, Jiangsu, Zhongxing Road, No. 9, No.

Patentee after: A.O. SMITH (NANJING) WATER TREATMENT PRODUCTS CO., LTD.

Address before: 201107 No. 1418, Zhai Lu, Minhang District, Shanghai

Patentee before: A. O. Smith (Shanghai) Water Treatment Products Co., Ltd.

Address after: 211200 Lishui Economic Development Zone, Jiangsu, Zhongxing Road, No. 9, No.

Patentee after: A.O. SMITH (NANJING) WATER TREATMENT PRODUCTS CO., LTD.

Address before: 201107 No. 1418, Zhai Lu, Minhang District, Shanghai

Patentee before: A. O. Smith (Shanghai) Water Treatment Products Co., Ltd.

CX01 Expiry of patent term

Granted publication date: 20110420