CN112156655A - Composite filter element structure for water purifier - Google Patents
Composite filter element structure for water purifier Download PDFInfo
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- CN112156655A CN112156655A CN202010781554.5A CN202010781554A CN112156655A CN 112156655 A CN112156655 A CN 112156655A CN 202010781554 A CN202010781554 A CN 202010781554A CN 112156655 A CN112156655 A CN 112156655A
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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
- B01D61/58—Multistep processes
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- 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
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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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
-
- 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
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
A composite filter element structure for a water purifier is characterized by comprising a shell, an end cover, a first membrane filter element, a central tube and a second membrane filter element, wherein the first membrane filter element is axially hollow and has a hollow cavity; a first outer flow channel for water to pass through is formed between the raw water inlet and the outer wall of the first membrane filter element; the center tube axial cavity forms the water purification passageway, and the center tube periphery is equipped with and is equipped with the sleeve along length direction, and the second membrane filter core is the cylinder and the periphery has the outer runner of second, and the middle part has the water purification passageway with aforementioned center tube to be connected, aforementioned outer runner of second and aforementioned flowing water passageway intercommunication. The composite filter element has compact structure, each water flow channel is arranged in a circuitous way, and the water flow channels are independent and do not interfere with each other, the space utilization rate is higher, and the water purification is facilitated; the waste water runner is shorter, reduces waste water and gets rid of the water risk.
Description
Technical Field
The invention relates to a water purification device, in particular to a composite filter element for water filtration.
Background
The water purifier usually adopts the complex mode to combine the filter element of different materials together in order to improve purifying effect, satisfies the requirement of user to the water purification taste. Along with the increasingly pursuit miniaturized purifier in market, compound into a filter core with a plurality of filter cores and can reduce the purifier volume to a certain extent, still there is the compound filter core structure in the market unreasonable, purifier space utilization low not enough.
Chinese utility model patent "a directly drink water composite filter element" that application number is CN201821694818.8 (the publication number is CN208933144U) discloses such a delivery port and a plurality of water inlet on including the casing, locating the casing, each water inlet locates the circumference outside of delivery port, be equipped with the filtration casing in the casing, it is equipped with the filtration water inlet to filter the casing upper end, be equipped with into water space between the upper end of filtration casing and the inboard top of casing, be equipped with the hollow fiber membrane in the filtration casing, it is provided with first nanometer activated carbon fiber membrane, granule filtering material, second nanometer activated carbon fiber membrane by supreme range upon range of in proper order down between the outside of filtration casing and the casing inboard. The composite filter element in the scheme is not compact in structure and large in occupied space. Similarly, the disclosure of the Chinese patent application with application number 201910711365.8, composite filter element assembly and water purification system (application publication number CN110304750A) can also be referred.
Therefore, further improvement is needed for the existing front-rear composite filter element.
Disclosure of Invention
The invention aims to solve the technical problem of providing a composite filter element structure for a water purifier, which has a compact structure and high internal space utilization rate.
The technical scheme adopted by the invention for solving the technical problems is as follows: a composite filter element structure for a water purifier is characterized by comprising
A housing formed with an inner cavity and having a front end formed with an installation port;
the end cover is arranged on the mounting port of the shell and is provided with a raw water inlet, a purified water outlet and a waste water outlet;
the first membrane filter element is arranged in the inner cavity of the shell and positioned at the front end close to the end cover; the first membrane filter element is axially hollow and has a hollow cavity; a first outer flow channel for water to pass through is formed between the raw water inlet and the outer wall of the first membrane filter element; the front end surface of the first membrane filter element forms a waste water end communicated with the waste water outlet;
the central tube is arranged in the hollow cavity of the first membrane filter element, the central tube is axially hollow to form a purified water channel, and the water outlet end of the purified water channel is connected with the purified water outlet; the periphery of the central pipe is provided with a sleeve along the length direction, the front end of the sleeve is closed, the rear end of the sleeve is provided with an opening, and the peripheral wall of the sleeve is provided with a water inlet hole; a water flowing channel is formed between the inner wall of the sleeve and the outer wall of the central pipe; and
the second membrane filter element is arranged in the inner cavity of the shell and is positioned at the rear end of the shell, the second membrane filter element is cylindrical, a second outer flow channel is arranged on the periphery of the second membrane filter element, a water outlet end connected with the water purification channel of the central tube is arranged in the middle of the second membrane filter element, and the second outer flow channel is communicated with the water flowing channel.
Further, the front end cover of first membrane filter core is equipped with the manger plate shell, and the front end of this manger plate shell has the extension portion of tube-shape, forms the waste water runner between the inner wall of this extension portion and the outer wall of center tube, and this waste water runner one end and waste water outlet connection, the other end are connected with the waste water end of first membrane filter core, the periphery cover of first membrane filter core is equipped with annular water seal, the outer lane of this water seal and the airtight contact of inner wall of manger plate shell rear end.
The second membrane cartridge preferably has two configurations:
first, the second membrane cartridge comprises
The side wall of the inner shell is provided with a lateral water hole, the front end of the inner shell is hollow to form a water outlet port for purified water filtered by the filtering membrane wire to flow out, and the water outlet port is hermetically connected with the rear end of the central tube;
the filtering membrane wire is arranged in the inner cavity of the inner shell; and
and the outer shell is arranged outside the inner shell, the second outer flow passage is formed between the inner wall of the outer shell and the outer wall of the inner shell, and the front end of the outer shell is in closed contact with the outer wall of the sleeve.
Second, the second membrane cartridge comprises
The side wall of the inner shell is provided with a lateral water hole;
the filtering membrane wire is arranged in the inner cavity of the inner shell; and
the outer shell is arranged outside the inner shell, the second external flow channel is formed between the inner wall of the outer shell and the outer wall of the inner shell, the front end of the outer shell is provided with a cylindrical first extending part and a cylindrical second extending part, the second extending part is positioned in the inner cavity of the first extending part and is provided with a gap, the first extending part is in closed contact with the outer wall of the sleeve, the first extending part is hollow to form a water outlet port for purified water filtered by the filtering membrane wire to flow out, and the water outlet port is in sealed connection with the rear end of the central tube.
Furthermore, the second membrane filter element also comprises a bottom cover, the rear end of the inner shell is opened and is arranged on the inner ring of the bottom cover, and the outer shell is arranged on the outer ring of the bottom cover.
Compared with the prior art, the invention has the advantages that: the composite filter element has compact structure, each water flow channel is arranged in a circuitous way, and the water flow channels are independent and do not interfere with each other, the space utilization rate is higher, and the water purification is facilitated; the waste water runner is shorter, reduces waste water and gets rid of the water risk. The front end and the rear end are respectively provided with a membrane filter element, so that dry-wet separation can be realized, mutual influence is avoided, and the maximum filtration level can be exerted.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is an exploded view of the second membrane cartridge of fig. 2.
Fig. 4 is an enlarged perspective sectional view of the embodiment.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1, 2 and 4, the composite filter element structure for a water purifier in the present embodiment includes a housing 1, an end cap 2, a first membrane filter element 5, a central tube 4, a second membrane filter element 6, a water retaining shell 3 and a water seal 32, wherein the housing 1 is formed with an inner cavity and a mounting port is formed at a front end thereof; the end cap 2 is provided on the mounting port of the housing 1 and has a raw water inlet 21, a purified water outlet 22, and a waste water outlet 23.
The first membrane filter element 5 is arranged in the inner cavity of the shell 1 and positioned at the front end close to the end cover 2; the first membrane filter element 5 is axially hollow and has a hollow cavity; a first outer flow channel 71 for water to pass through is formed between the raw water inlet 21 and the outer wall of the first membrane filter element 5; the front end face of the first membrane cartridge 5 forms a waste water end which is communicated with the waste water outlet 23.
The central tube 4 is arranged in the hollow cavity of the first membrane filter element 5, the central tube 4 is axially hollow to form a purified water channel 72, and the water outlet end of the purified water channel 72 is connected with the purified water outlet 22; a sleeve 41 is arranged on the periphery of the central tube 4 along the length direction, the front end of the sleeve 41 is closed, the rear end of the sleeve 41 is provided with an opening, and a water inlet hole is formed on the peripheral wall of the sleeve 41; the inner wall of the sleeve 41 and the outer wall of the central tube 4 form a flow channel 73 therebetween.
The second membrane filter element 6 is arranged in the inner cavity of the shell 1 and positioned at the rear end of the shell 1, the second membrane filter element 6 is cylindrical, a second outer flow passage 74 is arranged on the periphery of the second membrane filter element 6, a water outlet end connected with the purified water passage 72 of the central tube 4 is arranged in the middle of the second membrane filter element, and the second outer flow passage 74 is communicated with the water flowing passage 73.
The front end cover of first membrane filter core 5 is equipped with water retaining shell 3, and the front end of this water retaining shell 3 has the extension portion 31 of tube-shape, forms waste water runner 75 between the inner wall of this extension portion 31 and the outer wall of center tube 4, and this waste water runner 75 one end is connected with waste water outlet 23, and the other end is connected with the waste water end of first membrane filter core 5, and the periphery cover of first membrane filter core 5 is equipped with annular water seal 32, the outer lane of this water seal 32 and the airtight contact of the inner wall of 3 rear ends of manger plate shell.
Referring to fig. 3, the second membrane cartridge 6 includes an inner casing 63, a filtering membrane wire 62, an outer casing 61 and a bottom cover 64, wherein the inner casing 63 has an open rear end and a rear end disposed on an inner ring of the bottom cover 64, and a lateral water hole is formed in a side wall of the inner casing 63; the filtering membrane wire 62 is arranged in the inner cavity of the inner shell 63.
The outer shell 61 is arranged on the outer ring of the bottom cover 64 and positioned outside the inner shell 63, a second outer flow passage 74 is formed between the inner wall of the outer shell 61 and the outer wall of the inner shell 63, the front end of the outer shell 61 is provided with a cylindrical first extending part 611 and a cylindrical second extending part 612, the second extending part 612 is positioned in the inner cavity of the first extending part 611 and provided with a gap, the first extending part 611 is in sealed contact with the outer wall of the sleeve 41, the first extending part 611 is hollow to form a water outlet port for allowing purified water filtered by the filter membrane wires 62 to flow out, and the water outlet port is connected with the rear end of the central tube 4.
Raw water enters from the raw water inlet 21, passes through the first outer flow channel 71, is filtered by the first membrane filter element 5 and then enters the water flowing channel 73 in the sleeve 41, and wastewater is discharged from the wastewater outlet 23 through the wastewater flow channel 75; the water in the water flowing channel 73 enters the second membrane cartridge 6 through the second outer flow channel 74, then enters the clean water channel 72 of the central tube 4 from the water outlet end of the second membrane cartridge 6, and finally flows out from the clean water outlet 22.
The first membrane filter core in this embodiment can adopt the nanofiltration filter core, and the second membrane filter core can adopt the membrane chromatography filter core, and filtration membrane silk 62 adopts water purification membrane chromatography membrane silk, and on the single row of longitudinal line in water purification membrane chromatography membrane silk cross-section, one billion negative charge electrons are densely distributed, form heavy metal ion adsorption group, can firmly lock heavy metal ion on the membrane. When tap water passes through the high-flux hollow fiber membrane filaments, 99.999 percent of bacteria, viruses, impurities and most organic matters are filtered, and minerals such as calcium, magnesium and the like with smaller molecules are reserved.
The composite filter element has compact structure, each water flow channel is arranged in a circuitous way, and the water flow channels are independent and do not interfere with each other, the space utilization rate is higher, and the water purification is facilitated; the waste water runner is shorter, reduces waste water and gets rid of the water risk. The front side is provided with a nanofiltration membrane, and the rear side is provided with a membrane chromatography filter element, so that dry-wet separation can be realized, mutual influence is avoided, and the maximum filtration level can be exerted.
Claims (5)
1. A composite filter element structure for a water purifier is characterized by comprising
A housing (1) having an inner cavity and a mounting port formed at a front end thereof;
an end cover (2) which is arranged on the mounting port of the shell (1) and is provided with a raw water inlet (21), a purified water outlet (22) and a waste water outlet (23);
the first membrane filter element (5) is arranged in the inner cavity of the shell (1) and positioned at the front end and close to the end cover (2); the first membrane filter element (5) is axially hollow and has a hollow cavity; a first outer flow channel (71) for water to pass through is formed between the raw water inlet (21) and the outer wall of the first membrane filter element (5); the front end surface of the first membrane filter element (5) forms a waste water end communicated with the waste water outlet (23);
the central tube (4) is arranged in the hollow cavity of the first membrane filter element (5), the central tube (4) is axially hollow to form a purified water channel (72), and the water outlet end of the purified water channel (72) is connected with the purified water outlet (22); a sleeve (41) is arranged on the periphery of the central tube (4) along the length direction, the front end of the sleeve (41) is closed, the rear end of the sleeve (41) is provided with an opening, and a water inlet hole is formed on the peripheral wall of the sleeve (41); a water flowing channel (73) is formed between the inner wall of the sleeve (41) and the outer wall of the central pipe (4); and
and the second membrane filter element (6) is arranged in the inner cavity of the shell (1) and is positioned at the rear end of the shell (1), the second membrane filter element (6) is cylindrical, a second outer flow passage (74) is arranged on the periphery of the second membrane filter element, a water outlet end connected with the purified water passage (72) of the central tube (4) is arranged in the middle of the second membrane filter element, and the second outer flow passage (74) is communicated with the water flowing passage (73).
2. The composite filter element structure for the water purifier as recited in claim 1, wherein the front end of the first membrane filter element (5) is sleeved with a water blocking shell (3), the front end of the water blocking shell (3) is provided with a cylindrical extension part (31), a wastewater flow channel (75) is formed between the inner wall of the extension part (31) and the outer wall of the central tube (4), one end of the wastewater flow channel (75) is connected with the wastewater outlet (23), the other end of the wastewater flow channel is connected with the wastewater end of the first membrane filter element (5), the outer periphery of the first membrane filter element (5) is sleeved with an annular water seal (32), and the outer ring of the water seal (32) is in close contact with the inner wall of the rear end of the water blocking shell (3).
3. The composite filter element structure for water purifier according to claim 1, wherein the second membrane filter element (6) comprises
The side wall of the inner shell (63) is provided with a lateral water hole;
a filtering membrane wire (62) arranged in the inner cavity of the inner shell (63); and
the outer shell (61) is arranged outside the inner shell (63), the second outer flow channel (74) is formed between the inner wall of the outer shell (61) and the outer wall of the inner shell (63), the front end of the outer shell (61) is provided with a cylindrical first extending part (611) and a cylindrical second extending part (612), the second extending part (612) is positioned in the inner cavity of the first extending part (611) and is provided with a gap, the first extending part (611) is in sealed contact with the outer wall of the sleeve (41), the first extending part (611) is hollow to form a water outlet port for flowing out of purified water filtered by the filtering membrane wires (62), and the water outlet port is in sealed connection with the rear end of the central tube (4).
4. The composite filter element structure for water purifier according to claim 1, wherein the second membrane filter element (6) comprises
The side wall of the inner shell is provided with a lateral water hole, the front end of the inner shell is hollow to form a water outlet port for purified water filtered by the filtering membrane wire to flow out, and the water outlet port is hermetically connected with the rear end of the central tube;
the filtering membrane wire is arranged in the inner cavity of the inner shell; and
and the outer shell is arranged outside the inner shell, the second outer flow passage is formed between the inner wall of the outer shell and the outer wall of the inner shell, and the front end of the outer shell is in closed contact with the outer wall of the sleeve.
5. The composite filter element structure of claim 3 or 4, wherein the second membrane filter element (6) further comprises a bottom cover (64), the inner shell (63) is open at the rear end and is arranged on the inner ring of the bottom cover (64) at the rear end, and the outer shell (61) is arranged on the outer ring of the bottom cover (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010781554.5A CN112156655A (en) | 2020-08-06 | 2020-08-06 | Composite filter element structure for water purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010781554.5A CN112156655A (en) | 2020-08-06 | 2020-08-06 | Composite filter element structure for water purifier |
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| CN112156655A true CN112156655A (en) | 2021-01-01 |
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| CN202010781554.5A Pending CN112156655A (en) | 2020-08-06 | 2020-08-06 | Composite filter element structure for water purifier |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0788473A (en) * | 1993-09-20 | 1995-04-04 | Mitsubishi Rayon Co Ltd | Water purifier |
| CN205974059U (en) * | 2016-06-02 | 2017-02-22 | 芜湖美的厨卫电器制造有限公司 | Filter core, filter element group spare and washing water treater |
| CN109279707A (en) * | 2018-10-17 | 2019-01-29 | 佛山市顺德区盈沣泰环保科技有限公司 | A kind of composite filter element that RO film is combined with postposition charcoal |
| CN208561878U (en) * | 2018-03-02 | 2019-03-01 | 厦门百霖净水科技有限公司 | Composite filter element |
| CN208599312U (en) * | 2018-05-25 | 2019-03-15 | 九阳股份有限公司 | Detachable reverse osmosis composite filter element component |
| CN109775882A (en) * | 2019-03-26 | 2019-05-21 | 厦门欧格乐净水科技有限公司 | A kind of ultrafiltration Carbon fibe composite filter element and the tap of application |
| CN208933144U (en) * | 2018-10-18 | 2019-06-04 | 泉州万滤达净水科技有限公司 | A kind of direct drinking composite filter element |
| CN110038439A (en) * | 2018-01-17 | 2019-07-23 | 九阳股份有限公司 | A kind of reverse osmosis composite filter element component |
| CN110304750A (en) * | 2019-08-02 | 2019-10-08 | 珠海格力电器股份有限公司 | Composite filter element component and water purification system |
| CN111392892A (en) * | 2020-04-27 | 2020-07-10 | 江西书源科技有限公司 | Composite filter element device and water purifier |
-
2020
- 2020-08-06 CN CN202010781554.5A patent/CN112156655A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0788473A (en) * | 1993-09-20 | 1995-04-04 | Mitsubishi Rayon Co Ltd | Water purifier |
| CN205974059U (en) * | 2016-06-02 | 2017-02-22 | 芜湖美的厨卫电器制造有限公司 | Filter core, filter element group spare and washing water treater |
| CN110038439A (en) * | 2018-01-17 | 2019-07-23 | 九阳股份有限公司 | A kind of reverse osmosis composite filter element component |
| CN208561878U (en) * | 2018-03-02 | 2019-03-01 | 厦门百霖净水科技有限公司 | Composite filter element |
| CN208599312U (en) * | 2018-05-25 | 2019-03-15 | 九阳股份有限公司 | Detachable reverse osmosis composite filter element component |
| CN109279707A (en) * | 2018-10-17 | 2019-01-29 | 佛山市顺德区盈沣泰环保科技有限公司 | A kind of composite filter element that RO film is combined with postposition charcoal |
| CN208933144U (en) * | 2018-10-18 | 2019-06-04 | 泉州万滤达净水科技有限公司 | A kind of direct drinking composite filter element |
| CN109775882A (en) * | 2019-03-26 | 2019-05-21 | 厦门欧格乐净水科技有限公司 | A kind of ultrafiltration Carbon fibe composite filter element and the tap of application |
| CN110304750A (en) * | 2019-08-02 | 2019-10-08 | 珠海格力电器股份有限公司 | Composite filter element component and water purification system |
| CN111392892A (en) * | 2020-04-27 | 2020-07-10 | 江西书源科技有限公司 | Composite filter element device and water purifier |
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Application publication date: 20210101 |
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