CN113750801A - Surface type reverse osmosis membrane filter element - Google Patents
Surface type reverse osmosis membrane filter element Download PDFInfo
- Publication number
- CN113750801A CN113750801A CN202111054375.2A CN202111054375A CN113750801A CN 113750801 A CN113750801 A CN 113750801A CN 202111054375 A CN202111054375 A CN 202111054375A CN 113750801 A CN113750801 A CN 113750801A
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- China
- Prior art keywords
- reverse osmosis
- osmosis membrane
- net
- coil spring
- raw water
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- 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
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
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- 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
Abstract
The invention belongs to the technical field of drinking water purification, and particularly relates to a surface type reverse osmosis membrane filter element which comprises a shell, a central tube, a reverse osmosis membrane, a raw water inlet hole, a pull rod and a cleaning module, wherein the shell is provided with a straight groove, the raw water inlet hole is formed in the shell, the central tube is arranged in the reverse osmosis membrane, the pull rod is arranged in the straight groove, raw water enters the shell through the inlet hole, and enters the central tube body through the pure water inlet hole under the action of water pressure, when the reverse osmosis membrane needs to be cleaned, the reverse osmosis membrane can be pulled out, and is primarily cleaned through the cleaning module, so that cleaning liquid is used for washing the reverse osmosis membrane, the effect of cleaning the reverse osmosis membrane is achieved, and the utilization rate of the reverse osmosis membrane is improved.
Description
Technical Field
The invention belongs to the technical field of drinking water purification, and particularly relates to a surface type reverse osmosis membrane filter element.
Background
The development of the Chinese water purifier industry has been over thirty years old, with the serious pollution of water resources in recent years, diseases and harmful events caused by water pollution often occur, healthy and safe drinking water is more and more concerned by people, the consciousness of healthy drinking water of people is enhanced, the water purifier is generally accepted by people now, with the improvement of the per-capita economic level and the maturity of the water purifier technology, the water purifier is received by more and more families and gradually walks into the daily life of people, so the market demand is large, under the huge market prospect, but the water purifier is used as a water purifying core consumable-reverse osmosis membrane, the replacement rate is less than 1 percent after the service life, therefore, impurities and harmful substances in water can be excessively remained on the surfaces of filter elements at all levels, the filter elements can be blocked for a long time, the filtering effect is reduced, and internal parts of the water purifier are damaged, The purified water is not up to standard, causes the harm to the health, and the reverse osmosis membrane element rate of recovery of traditional mode of intaking is not high, and water waste is serious and with high costs, because the quality of water in different areas is different, and aquatic contains a large amount of incrustation scale, germ, inorganic salt and heavy metal material, and these materials can accumulate and cause the jam on the reverse osmosis membrane surface, and traditional solution uses the raw water to wash in the casing, prevents to block up, and this kind of mode treatment efficiency is not high.
Publication No.: CN111760458A discloses a surface type reverse osmosis membrane filter element, which mainly comprises: a surface type reverse osmosis membrane filter element comprises a first shell and a second shell which is rotatably connected with the first shell through a rotating shaft, wherein a limiting ring is arranged in the first shell, the central shaft of the limiting ring is elastically connected with the first shell through a forwarding strip disc, an arc-shaped groove is formed in the limiting ring, a clamping groove is formed in one side, away from a first compression spring, of an arc-shaped clamping block, and the clamping groove is clamped with the clamping groove formed in the limiting ring;
because the water quality of each region is different, the filter element can be blocked by larger impurities in raw water, the filter element of the reverse osmosis membrane filter element is blocked after the filter element is used for a period of time, the whole structure needs to be disassembled for replacing the filter element, the filter element is used and filtered less, the filter element cannot be quickly cleaned, the utilization rate of the filter element is improved, and the use cost is reduced.
Disclosure of Invention
The invention mainly aims to provide a surface type reverse osmosis membrane filter element, which solves the problems of low use efficiency and low purification efficiency of the traditional reverse osmosis membrane filter element.
The invention mainly aims to provide a surface type reverse osmosis membrane filter element, which solves the problem that a reverse osmosis membrane is blocked by impurities and is not easy to clean.
In order to achieve the purpose, the invention adopts the technical scheme that: a surface type reverse osmosis membrane filter element is characterized in that: including casing, center tube, reverse osmosis membrane, raw water inlet opening, pull rod and clearance module, the casing sets up to cylindrical, it has the straight flute to open on the casing outside, the raw water inlet opening sets up the upper end at the casing, the center tube is established in the reverse osmosis membrane, center tube and reverse osmosis membrane are installed in the casing, the pull rod sets up in the straight flute.
Preferably, the center tube includes center tube body, pure water inlet opening and pure water apopore, the center tube body cross-section is circular, the pure water inlet opening is located on the center tube body inner wall, the end of center tube body is located to the pure water apopore.
Preferably, the outer surface of the central tube body is provided with a trapezoidal groove.
Preferably, it has the straight flute to open on the casing, the dovetail has been seted up to straight flute top one side, and the cleaning module passes through the dovetail and installs in the straight flute, the cleaning module includes, first scraper blade, second scraper blade, first brush and second brush, first scraper blade and first brush adopt intensity high material, and the low density overall arrangement is in the part that is close to the straight flute, second scraper blade and second brush adopt low strength material, and the high density overall arrangement is in the part of keeping away from the straight flute.
Preferably, reverse osmosis membrane includes raw water conservancy diversion net, RO membrane, permeates water net and coil spring, the coil spring is placed in proper order between raw water conservancy diversion net, RO membrane and permeate water net, the coil spring is placed at reverse osmosis membrane's both ends, reverse osmosis membrane is raw water conservancy diversion net, RO membrane and permeates water net by outer to interior in proper order, fixes water conservancy diversion net, RO membrane and permeate water net through the coil spring.
Preferably, one side of the coil spring is provided with a protrusion, and the other side of the coil spring is provided with a pit, wherein the protrusion and the pit on the coil spring can fix the raw water diversion net, the RO membrane and the permeable water net.
Preferably, reverse osmosis membrane one end adopts the trapezium structure, and one end links to each other with the pull rod, it has the dovetail groove to open on the center tube, reverse osmosis membrane's one end trapezium structure places the dovetail groove of center tube in.
Preferably, the housing includes a first bearing mounted at the upper end of the housing and a second bearing mounted at the lower end of the housing.
Preferably, the first bearing and the second bearing are tightly fitted with the central tube.
Preferably, the pull rod adopts a trapezoidal structure, and magnetic materials are arranged on two sides of the pull rod.
Compared with the prior art, the invention has the following beneficial effects:
1. when the reverse osmosis membrane filter element is used, raw water enters from the water inlet hole and fills the shell, and after being filtered by the reverse osmosis membrane filter element, the raw water enters the central tube from the pure water inlet hole and finally flows out of the central tube.
2. According to the invention, the pull rod is arranged on the reverse osmosis membrane, when the reverse osmosis membrane is excessively accumulated with impurities, the reverse osmosis membrane is pulled out along the cleaning device by using the pull rod, and is cleaned by using raw water, the pull rod is loosened after the cleaning is finished, and the reverse osmosis membrane is automatically pulled back into the shell by the coil spring arranged in the reverse osmosis membrane.
Drawings
FIG. 1 is an overall structural view of the present invention;
FIG. 2 is a drawing of a reverse osmosis membrane of the present invention;
FIG. 3 is a cleaning module view of the present invention;
FIG. 4 is a view of a reverse osmosis membrane roll of the present invention;
FIG. 5 is a schematic view of a reverse osmosis membrane of the present invention.
In the figure: the device comprises a shell 1, a dovetail groove 101, a central pipe 2, a pure water inlet hole 201, a pure water outlet hole 202, a trapezoidal groove 203, a first bearing 3, a second bearing 4, a pull rod 5, a cleaning module 6, a first scraper 601, a first brush 602, a second scraper 603, a second brush 604, a reverse osmosis membrane 7, a coil spring 701, a raw water diversion net 702, an RO membrane 703, a permeable water net 704, a raw water inlet hole 8 and a straight groove 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Shown in fig. 1 to 5: the utility model provides a surface formula reverse osmosis membrane filter core, includes casing 1, center tube 2, reverse osmosis membrane 7, raw water inlet opening 8, pull rod 5 and clearance module 6, casing 1 adopts cylindrical structure, casing 1 is opened there is the straight flute 9, the upper end at casing 1 is installed to raw water inlet opening 8, center tube 2 is established in reverse osmosis membrane 7, center tube 2 and reverse osmosis membrane 7 are placed in casing 1, pull rod 5 sets up in straight flute 9.
Specifically, center tube 2 includes pure water inlet 201 and pure water apopore 202, and 2 body cross-sections of center tube are circular, and on 2 body inner walls of center tube were located to pure water inlet 201, the tip of 2 bodies of center tube was located to pure water apopore 202, through adopting above-mentioned technical scheme, pure water process reverse osmosis membrane 7 gets into center tube 2, and pure water inlet 201 lets pure water get into center tube 2, and the required position is derived to the pure water through 2 bodies of center tube.
Specifically, 2 body surfaces of center tube are equipped with dovetail groove 203, and through adopting above-mentioned technical scheme, set up dovetail groove 203 on the center tube 2 and be convenient for reverse osmosis membrane 7's installation to reduce reverse osmosis membrane glue's use, avoid harmful substance to get into the human body.
Specifically, it has straight flute 9 to open on casing 1, and dovetail 101 has been seted up to straight flute 9 top one side, and clearance module 6 passes through dovetail 101 to be installed in straight flute 9, and clearance module 6 includes: first scraper blade 601, second scraper blade 603, first brush 602 and second brush 603, and first scraper blade 601 and first brush 603, adopt the high material of intensity, the low density overall arrangement is in the part that is close to the straight flute 9, second scraper blade 602 and second brush 604 adopt the low strength material, the high density overall arrangement is in the part of keeping away from the straight flute 9, through adopting above-mentioned technical scheme, it has the installation of dovetail 101 the clearance module 6 of being convenient for to open on the straight flute 9, impurity on the reverse osmosis membrane 7 of a lot of clearance that can be fine when reverse osmosis membrane 7 is pulled out.
Specifically, the reverse osmosis membrane 7 includes: the raw water diversion net 702, the RO membrane 703, the permeable water net 704 and the coil spring 701 are sequentially arranged among the raw water diversion net 702, the RO membrane 703 and the permeable water net 704, the coil spring 701 is arranged in an interlayer close to the pure water outlet 202, the reverse osmosis membrane 7 sequentially comprises the raw water diversion net 702, the RO membrane 703 and the permeable water net 704 from outside to inside, the water diversion net 702, the RO membrane 703 and the permeable water net 704 are fixed through the coil spring 701, by adopting the technical scheme, the raw water can enter the central tube 2 from the outer side of the circumference of the reverse osmosis membrane 7, the filtering area is increased, so that the filtering quality of the raw water is enhanced, meanwhile, the flow rate of the raw water is ensured, the water yield is improved, and the coil spring 701 is convenient for the recovery of the reverse osmosis membrane 7 after being pulled out.
Specifically, one side of the coil spring 701 is provided with a protrusion, and the other side of the coil spring 701 is provided with a pit, by adopting the technical scheme, the raw water diversion net 702, the RO membrane 703 and the permeable water net 704 can be well fixed by utilizing the matching of the protrusion and the pit on the coil spring 701, so that the reverse osmosis membrane 7 is prevented from generating folds when being withdrawn.
Specifically, reverse osmosis membrane 7 one end adopts the trapezium structure, and the other end links to each other with pull rod 5, and it has trapezoidal groove 203 to open on center tube 2, and reverse osmosis membrane 7's one end trapezium structure is placed in the trapezoidal groove 203 of center tube 2, and through adopting above-mentioned technical scheme, reverse osmosis membrane 7 uses the trapezium structure to install in trapezoidal groove 203, fixes on center tube 2, also can not drop when guaranteeing reverse osmosis membrane 7 and pull out.
Specifically, the casing includes first bearing 3 and second bearing 4, and first bearing 3 installs at 1 lower extreme of casing, and second bearing 4 installs in 1 upper end of casing, through adopting above-mentioned technical scheme, and the bearing adopts sealed bearing, seals central siphon 2 and casing 1.
Specifically, first bearing 3 and second bearing 4 closely cooperate with center tube 2, through adopting above-mentioned technical scheme, center tube 2 can rotate.
Specifically, pull rod 5 adopts the trapezium structure, and 5 both sides of pull rod are magnetic material, through adopting above-mentioned technical scheme, thereby pull rod 5 can hug closely the keyway and seal casing 1.
The working principle is as follows: during the use, the raw water gets into from raw water inlet opening 8, be full of casing 1, the raw water can get into the filter core under the water pressure effect, filter the back, get into in center tube 2 through pure water inlet opening 201, center tube 2 exports the pure water from pure water apopore 202, reverse osmosis membrane 7 uses the use of trapezoidal piece installation reducible glue on center tube 2, prevent that harmful substance from getting into the human body, when reverse osmosis membrane 7 needs the clearance, use pull rod 5 to pull out reverse osmosis membrane 7, reverse osmosis membrane 7 is when clearance module 6, scraper blade and brush on the clearance module 6 carry out the clearance of different degrees to reverse osmosis membrane 7, reverse osmosis membrane 7 pulls out the back, use the washing liquid to wash reverse osmosis membrane 7, after the completion of washing, loosen pull rod 5, reverse osmosis membrane 7 can be pulled back automatically under the effect of coil spring 701, pull rod 5 pastes tight straight flute 9, form sealedly.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. A surface type reverse osmosis membrane filter element is characterized in that: including casing (1), center tube (2), reverse osmosis membrane (7), raw water inlet opening (8), pull rod (5) and clearance module (6), casing (1) sets up to cylindrical, it has straight flute (9) to open on casing (1) outside, raw water inlet opening (8) set up the upper end at casing (1), establish in reverse osmosis membrane (7) center tube (2), install in the casing center tube (2) and reverse osmosis membrane (7), pull rod (5) set up in straight flute (9).
2. A surface-type reverse osmosis membrane cartridge according to claim 1, wherein: the central pipe (2) comprises a pure water inlet hole (201) and a pure water outlet hole (202), the cross section of the central pipe (2) body is circular, the pure water inlet hole (201) is formed in the inner wall of the central pipe (2) body, and the pure water outlet hole (202) is formed in the end of the central pipe (2) body.
3. A surface-type reverse osmosis membrane cartridge according to claim 1, wherein: the outer surface of the pipe body of the central pipe (2) is provided with a trapezoidal groove (203).
4. A surface-type reverse osmosis membrane cartridge according to claim 1, wherein: open on casing (1) has straight flute (9), dovetail (101) have been seted up to straight flute (2) top one side, install in straight flute (9) through dovetail (101) clearance module (6), clearance module (6) include, first scraper blade (601), second scraper blade (603), first brush (602) and second brush (604), first scraper blade (601) and first brush (603), adopt the high material of intensity, the part of low density overall arrangement being close to straight flute (9), second scraper blade (602) and second brush (604) adopt the low strength material, and the part of straight flute (9) is kept away from in the high density overall arrangement.
5. A surface-type reverse osmosis membrane cartridge according to claim 1, wherein: reverse osmosis membrane (7) are including raw water conservancy diversion net (702), RO membrane (703), permeate through water net (704) and coil spring (701), coil spring (701) are placed in proper order between raw water conservancy diversion net (702), RO membrane (703) and permeate through water net (704), coil spring (701) are placed at reverse osmosis membrane (7) both ends, reverse osmosis membrane (7) are raw water conservancy diversion net (702), RO membrane (703) and permeate through water net (704) by outer to interior in proper order, fix water conservancy diversion net (702), RO membrane (703) and permeate through water net (704) through the coil spring.
6. A surface-type reverse osmosis membrane cartridge according to claim 5, wherein: one side of the coil spring (701) is provided with a bulge, the other side of the coil spring is provided with a pit, the coil spring is protruded upwards, and the bulge and the pit can fix the raw water diversion net (702), the RO membrane (703) and the permeable water net (704).
7. A surface-type reverse osmosis membrane cartridge according to claim 1, wherein: reverse osmosis membrane (7) one end adopts the trapezium structure, and one end links to each other with pull rod (5), it has trapezoidal groove (203) to open on center tube (2), the one end trapezium structure of reverse osmosis membrane (7) is placed in trapezoidal groove (203) of center tube (2).
8. A surface-type reverse osmosis membrane cartridge according to claim 1, wherein: the shell (1) comprises a first bearing (3) and a second bearing (4), the first bearing (3) is installed at the upper end of the shell (1), and the second bearing (4) is installed at the lower end of the shell (1).
9. A surface-type reverse osmosis membrane cartridge according to claim 1, wherein: the first bearing (3) and the second bearing (4) are tightly matched with the central pipe (2).
10. A surface-type reverse osmosis membrane cartridge according to claim 1, wherein: the pull rod (5) is of a trapezoidal structure, and magnetic materials are arranged on two sides of the pull rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111054375.2A CN113750801A (en) | 2021-09-09 | 2021-09-09 | Surface type reverse osmosis membrane filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111054375.2A CN113750801A (en) | 2021-09-09 | 2021-09-09 | Surface type reverse osmosis membrane filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113750801A true CN113750801A (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111054375.2A Pending CN113750801A (en) | 2021-09-09 | 2021-09-09 | Surface type reverse osmosis membrane filter element |
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| Country | Link |
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| CN (1) | CN113750801A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114288860A (en) * | 2021-12-08 | 2022-04-08 | 深圳市超纯环保股份有限公司 | Reverse osmosis membrane element and purification system |
| CN114682094A (en) * | 2022-03-31 | 2022-07-01 | 青岛大学附属医院 | Back-osmosis treatment device of dialysis equipment for nephrology department |
| CN115888397A (en) * | 2022-11-29 | 2023-04-04 | 浙江奥氏环境科技有限公司 | Roll type reverse osmosis membrane assembly |
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| US20210268427A1 (en) * | 2018-11-19 | 2021-09-02 | Mann+Hummel Gmbh | Filter Body, Filter Element, and Filter Assembly |
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| CN101811773A (en) * | 2010-04-16 | 2010-08-25 | 同济大学 | Online cleaning roll-type membrane bioreactor |
| CN104815560A (en) * | 2015-05-01 | 2015-08-05 | 江苏诚信药业有限公司 | Process system of preparing pantoprazole sodium hemihydrate |
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| CN114682094A (en) * | 2022-03-31 | 2022-07-01 | 青岛大学附属医院 | Back-osmosis treatment device of dialysis equipment for nephrology department |
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