CN207169433U - A kind of pressure vessel for reverse osmosis - Google Patents

A kind of pressure vessel for reverse osmosis Download PDF

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Publication number
CN207169433U
CN207169433U CN201721152062.XU CN201721152062U CN207169433U CN 207169433 U CN207169433 U CN 207169433U CN 201721152062 U CN201721152062 U CN 201721152062U CN 207169433 U CN207169433 U CN 207169433U
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CN
China
Prior art keywords
reverse osmosis
end cap
osmosis membrane
filter element
groove
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.)
Expired - Fee Related
Application number
CN201721152062.XU
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Chinese (zh)
Inventor
刘文胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Water Purification Equipment Co Ltd
Original Assignee
Zhejiang Water Purification Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Water Purification Equipment Co Ltd filed Critical Zhejiang Water Purification Equipment Co Ltd
Priority to CN201721152062.XU priority Critical patent/CN207169433U/en
Application granted granted Critical
Publication of CN207169433U publication Critical patent/CN207169433U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of pressure vessel for reverse osmosis, including housing, reverse osmosis membrane filter element, end cap and bottom, water inlet is provided with end cap, discharge purified water mouth and concentration water outlet are provided with bottom, housing is in long tubular, housing both ends have the adpting flange horizontally outward spread apart, end cap inside bottom has stop sleeve, spring and pad are provided with stop sleeve, bottom center has raised support base, support base is provided with groove, bottom portion of groove connects with discharge purified water mouth, reverse osmosis membrane filter element upper end is embedded into stop sleeve to lean with pad, reverse osmosis membrane filter element lower end is embedded into the groove of support base, end cap and bottom are respectively provided with the pressure ring horizontally outward spread apart, pressure ring leans with adpting flange, the clip of annular is enclosed with the outside of pressure ring and adpting flange.Untie clip, it is possible to end cap or bottom are separated with housing, reverse osmosis membrane filter element is then taken out and is safeguarded, convenient disassembly is easy to maintain.

Description

A kind of pressure vessel for reverse osmosis
Technical field
The utility model belongs to technical field of water purification, is related to a kind of pressure vessel for reverse osmosis.
Background technology
Pressure vessel for reverse osmosis is also referred to as RO putaminas, applies on water purification equipment.Reverse osmosis water disposal facility be include from The suction flange of cartridge filter is to a whole set of unit between reverse osmosis freshwater water-output flange.Reverse osmosis water treatment system selects The filtering accuracy selected is generally 5 μm.The advantages of this filtering element is filtering accuracy height, easily manufactured, cheap, safe to use, Impurity is not easy to penetrate, but backwash and Chemical cleaning DeGrain, can only be disposable, when operation pressure reaches a 0.2MPa left sides Need to change filtering element when right.Counter-infiltration body be reverse osmosis membrane assembly pipeline is combined according to certain arrangement mode, connect and Into Combined water processing unit.Single reverse osmosis membrane claims membrane component, and one or several reverse-osmosis membrane elements are pressed into certain technology It is required that concatenation, membrane module is formed with single pressure vessel for reverse osmosis assembling.
Reverse osmosis membrane filtration is cross flow filter mode, i.e., a part of water edge in raw water passes through film with film vertical direction, this When salt and various pollutants envelope dam to get off, and by along film and film surface parallel direction flowing remaining another part raw water Carry out, but pollutant can not be taken out of completely, and over time, the pollutant of residual can be able to add membrane component pollution Weight, and raw water pollutant and the rate of recovery are higher, and fouling membrane is faster.
Current pressure vessel for reverse osmosis includes end cap and cylinder, and the water inlet interface of putamina is normally on end cap, connect for screw thread Mouthful, water outlet mouthpiece and concentrated water interface are located at cylinder lower side, are hickey.Hickey needs jointing, cumbersome, It is screwed into, wastes time and energy after needing joint winding raw material band, production cost is high, and risk of leakage is very big, and grafting, dismounting are extremely inconvenient. Needed Inlet and outlet water interface soft pipe connection in integrated membrane module, pipeline assembly and disassembly trouble, the space-consuming of connection are big, and operation is multiple It is miscellaneous.
Utility model content
The purpose of this utility model is above mentioned problem be present for existing technology, it is proposed that a kind of pressure vessel for reverse osmosis, is torn open Unload conveniently, readily replaceable filter core.
The purpose of this utility model can be realized by following technical proposal:A kind of pressure vessel for reverse osmosis, including housing, reverse osmosis Permeable membrane filter core, end cap and bottom, it is characterised in that water inlet is provided with end cap, discharge purified water mouth and condensed water are provided with bottom Floss hole, housing are in long tubular, and housing both ends have the adpting flange horizontally outward spread apart, and end cap inside bottom has support Sleeve, stop sleeve is interior to be provided with spring and pad, and bottom center has raised support base, and support base is provided with groove, groove-bottom Portion connects with discharge purified water mouth, and concentration water outlet connects with housing cavity, and reverse osmosis membrane filter element upper end is embedded into stop sleeve Interior to be leant with pad, reverse osmosis membrane filter element lower end is embedded into the groove of support base, and end cap and bottom are respectively provided with horizontally outward The pressure ring spread apart, pressure ring are leant with adpting flange, and the clip of annular is enclosed with the outside of pressure ring and adpting flange.
Water enters from water inlet, enters housing cavity, and a part of water lateral flow passes through the filtering of reverse osmosis membrane filter element Effect, the water after purification is entered inside reverse osmosis membrane filter element, and is flowed into discharge purified water mouth from groove;Another part water along with Film vertical direction passes through film, and carrier's pollutant flows out from concentration water outlet.Open clip, it is possible to remove end cap or bottom Lid, the counter-infiltration filter core in housing is taken out, is changed or is safeguarded, convenient disassembly.
Further, reverse osmosis membrane filter element includes center membrane pipe and film filter cover, and center membrane pipe is worn from film filter cover center Cross and film filter cover is stretched out at both ends, center membrane pipe connects with discharge purified water mouth, and film filter cover has reverse osmosis membrane.Water is from end cap Water inlet enter housing, under the effect of the pressure, a part of water is through the reverse osmosis membrane in film filter cover, in reverse osmosis membrane The back side of piece flows into center membrane pipe after collecting, then is flowed out from the discharge purified water mouth of bottom, and it is positive dense to remain in reverse osmosis membrane Shrink and then discharged from the concentration water outlet of bottom.
Further, the clip includes the annular body of bolt, nut and opening, and open end is provided with and worn for bolt The connecting hole crossed.
Further, the pad is external diameter, the branch of solid stainless steel gasket, washer diameter and reverse osmosis membrane filter element upper end The internal diameter of support set cylinder is equal.
Further, the slot to make way of annular is provided with adpting flange, O-ring seal one is provided with slot to make way.
Further, the slot to make way of annular is provided with groove inner wall, O-ring seal two is provided with slot to make way.
Compared with prior art, this pressure vessel for reverse osmosis has advantages below:
1. turning on bolt, clip is untied, it is possible to end cap or bottom are separated with housing, are then taken out counter-infiltration Membrane cartridge is safeguarded that convenient disassembly is easy to maintain;
2. make reverse osmosis membrane filter element both ends firmly against on end cap and bottom by spring, O-ring seal one and O-shaped Sealing ring two improves sealing effectiveness.
Brief description of the drawings
Fig. 1 is the structural representation of this pressure vessel for reverse osmosis.
Fig. 2 is the structural representation of clip.
In figure, 1, housing;2nd, reverse osmosis membrane filter element;3rd, end cap;4th, bottom;5th, water inlet;6th, discharge purified water mouth;7th, concentrate Water outlet;8th, adpting flange;9th, stop sleeve;10th, spring;11st, pad;12nd, support base;13rd, groove;14th, pressure ring;15、 Clip;16th, bolt;17th, nut;18th, body;19th, O-ring seal one;20th, O-ring seal two;21st, center membrane pipe;22nd, film Filter cover.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these embodiments.
As shown in Figure 1 and Figure 2, this pressure vessel for reverse osmosis includes housing 1, reverse osmosis membrane filter element 2, end cap 3 and bottom 4, end cap 3 On be provided with water inlet 5, discharge purified water mouth 6 and concentration water outlet 7 are provided with bottom 4, housing 1 be in long tubular, and the both ends of housing 1 have There is the adpting flange 8 horizontally outward spread apart, the inside bottom of end cap 3 has stop sleeve 9, spring 10 is provided with stop sleeve 9 With pad 11, the center of bottom 4 has raised support base 12, and support base 12 is provided with groove 13, the bottom of groove 13 and discharge purified water Mouth 6 connects, and concentration water outlet 7 connects with the inner chamber of housing 1, and the upper end of reverse osmosis membrane filter element 2 is embedded into stop sleeve 9 and pad 11 are leant, and the lower end of reverse osmosis membrane filter element 2 is embedded into the groove 13 of support base 12, and end cap 3 and bottom 4 are respectively provided with horizontally outward The pressure ring 14 spread apart, pressure ring 14 lean with adpting flange 8, and the outside of pressure ring 14 and adpting flange 8 is enclosed with the card of annular Hoop 15.
Water enters from water inlet 5, enters the inner chamber of housing 1, and a part of water lateral flow passes through the mistake of reverse osmosis membrane filter element 2 Filter is acted on, and the water after purification is entered inside reverse osmosis membrane filter element 2, and is flowed into discharge purified water mouth 6 from groove 13;Another part Water passes through film along with film vertical direction, and carrier's pollutant flows out from concentration water outlet 7.Open clip 15, it is possible to remove End cap 3 or bottom 4, the counter-infiltration filter core in housing 1 is taken out, is changed or is safeguarded, convenient disassembly.
Reverse osmosis membrane filter element 2 includes center membrane pipe 21 and film filter cover 22, and center membrane pipe 21 is worn from the center of film filter cover 22 Cross and film filter cover 22 is stretched out at both ends, center membrane pipe 21 connects with discharge purified water mouth 6, and film filter cover 22 has reverse osmosis membrane. Water enters housing 1 from the water inlet of end cap 3, and under the effect of the pressure, a part of water is through the reverse osmosis membrane in film filter cover 22 Piece, center membrane pipe 21 is flowed into after collecting at the back side of reverse osmosis membrane, then flowed out from the discharge purified water mouth 6 of bottom 4, remained in anti- The infiltration positive condensed water of diaphragm is then discharged from the concentration water outlet 7 of bottom 4.
Clip 15 includes the annular body 18 of bolt 16, nut 17 and opening, and open end is provided with and passed through for bolt 16 Connecting hole.The pad 11 is external diameter, the branch of solid stainless steel gasket 11, the diameter of pad 11 and the upper end of reverse osmosis membrane filter element 2 The internal diameter of support set cylinder 9 is equal.The slot to make way of annular is provided with adpting flange 8, O-ring seal 1 is provided with slot to make way.Groove The slot to make way of annular is provided with 13 inwalls, O-ring seal 2 20 is provided with slot to make way.
Water enters from water inlet 5, enters the inner chamber of housing 1, and a part of water lateral flow passes through the mistake of reverse osmosis membrane filter element 2 Filter is acted on, and the water after purification is entered inside reverse osmosis membrane filter element 2, and is flowed into discharge purified water mouth 6 from groove 13;Another part Water passes through film along with film vertical direction, and carrier's pollutant flows out from concentration water outlet 7.Open clip 15, it is possible to remove End cap 3 or bottom 4, the counter-infiltration filter core in housing 1 is taken out, is changed or is safeguarded, convenient disassembly.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.

Claims (6)

1. a kind of pressure vessel for reverse osmosis, including housing, reverse osmosis membrane filter element, end cap and bottom, it is characterised in that be provided with end cap into The mouth of a river, is provided with discharge purified water mouth and concentration water outlet on bottom, and housing be in long tubular, and housing both ends are with horizontally outward extending The adpting flange opened, end cap inside bottom have stop sleeve, are provided with spring and pad in stop sleeve, bottom center has convex The support base risen, support base are provided with groove, and bottom portion of groove connects with discharge purified water mouth, and concentration water outlet connects with housing cavity Logical, reverse osmosis membrane filter element upper end is embedded into stop sleeve to lean with pad, and reverse osmosis membrane filter element lower end is embedded into support base Groove in, end cap and bottom are respectively provided with the pressure ring horizontally outward spread apart, and pressure ring leans with adpting flange, and pressure ring is with being connected The clip of annular is enclosed with the outside of flange.
2. pressure vessel for reverse osmosis according to claim 1, it is characterised in that reverse osmosis membrane filter element include center membrane pipe and film every Guard, center membrane pipe passes through from film filter cover center and film filter cover is stretched out at both ends, and center membrane pipe connects with discharge purified water mouth, film Filter cover has reverse osmosis membrane.
3. pressure vessel for reverse osmosis according to claim 2, it is characterised in that the clip includes bolt, nut and opening The body of annular, open end are provided with the connecting hole passed through for bolt.
4. pressure vessel for reverse osmosis according to claim 3, it is characterised in that the pad is solid stainless steel gasket, pad The external diameter of diameter and reverse osmosis membrane filter element upper end, the internal diameter of stop sleeve are equal.
5. pressure vessel for reverse osmosis according to claim 4, it is characterised in that the slot to make way of annular is provided with adpting flange, is allowed O-ring seal one is provided with the groove of position.
6. pressure vessel for reverse osmosis according to claim 5, it is characterised in that the slot to make way of annular is provided with groove inner wall, is allowed O-ring seal two is provided with the groove of position.
CN201721152062.XU 2017-09-08 2017-09-08 A kind of pressure vessel for reverse osmosis Expired - Fee Related CN207169433U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721152062.XU CN207169433U (en) 2017-09-08 2017-09-08 A kind of pressure vessel for reverse osmosis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721152062.XU CN207169433U (en) 2017-09-08 2017-09-08 A kind of pressure vessel for reverse osmosis

Publications (1)

Publication Number Publication Date
CN207169433U true CN207169433U (en) 2018-04-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721152062.XU Expired - Fee Related CN207169433U (en) 2017-09-08 2017-09-08 A kind of pressure vessel for reverse osmosis

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113856343A (en) * 2021-10-28 2021-12-31 连城凯克斯科技有限公司 ALD equipment is with lower dress filter core formula secondary filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113856343A (en) * 2021-10-28 2021-12-31 连城凯克斯科技有限公司 ALD equipment is with lower dress filter core formula secondary filter

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180403

Termination date: 20200908