CN105948299A - Built-in type water purification and reverse osmosis filtration faucet - Google Patents
Built-in type water purification and reverse osmosis filtration faucet Download PDFInfo
- Publication number
- CN105948299A CN105948299A CN201610560442.0A CN201610560442A CN105948299A CN 105948299 A CN105948299 A CN 105948299A CN 201610560442 A CN201610560442 A CN 201610560442A CN 105948299 A CN105948299 A CN 105948299A
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- Prior art keywords
- water
- reverse osmosis
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- purification
- outlet
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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
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2307/00—Location of water treatment or water treatment device
- C02F2307/06—Mounted on or being part of a faucet, shower handle or showerhead
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a built-in type water purification and reverse osmosis filtration faucet which is simple in structure, small in size, capable of achieving energy conservation and environment protection and good in purifying effect. The built-in type water purification and reverse osmosis filtration faucet comprises a base body, a raw water path, a water control switch, an inner water insulation barrel, an outer shell, a water purification and filtration device, a reverse osmosis filtration element, a first water feeding cavity, a first water drainage cavity, an upper reverse osmosis water outlet, a lower reverse osmosis water outlet, a sealing structure, a purified water storage cavity, a purified water drainage path, a purified water feeding path, a first externally-connected pipeline, a water drainage head, a terminal water drainage water path, a first water drainage pipe, a purified water control switch, a reverse osmosis water drainage path, a wastewater drainage path, a second externally-connected water pipe, a pressure bucket, a third externally-connected water pipe, a reverse osmosis water conveying path and a reverse osmosis water control switch. The built-in type water purification and reverse osmosis filtration faucet is applied in the technical field of faucets.
Description
Technical field
The present invention relates to a kind of faucet, particularly to a kind of built-in purification water and osmosis filtration faucet.
Background technology
Reverse osmosis is a kind of using the pressure higher than osmotic pressure as motive force, utilizes selective membrane can only can not pass through the selective penetrated property of solute, the process being separated by hydrone from water body with solute through water.The mainly reverse osmosis membrane technology that reverse osmosis water purifier uses, its operation principle is that water is applied certain pressure, the mineral element making hydrone and ionic state passes through reverse osmosis membrane, and the most inorganic salts being dissolved in water, heavy metal, Organic substance and antibacterial, virus etc. cannot pass through reverse osmosis membrane, so that the pure water penetrated and strict the separating of condensed water that cannot penetrate.
The Chinese patent of Publication No. 104973699A at present, it discloses a kind of anti-penetration water purifier, including the feed pipe being sequentially connected with by inlet pipeline, microfiltration systems and reverse osmosis units, reverse osmosis units is divided into pure water district and dense pool by the reverse osmosis membrane within reverse osmosis units, pure water district is provided with pure water outlet, dense pool is provided with water inlet and dense water out, also including reflux pipe, pressure water storage tank and pipeline control unit, the dense water out of reverse osmosis units is connected on inlet pipeline by reflux pipe；Inlet pipeline, reverse osmosis units and reflux pipe composition circulation line；Pressure water storage tank is arranged on circulation line, and pipeline control unit controls the current in circulation line, and microfiltration systems includes first order compression PP cotton, second level granular active carbon and third level extruded activated carbon.Visible current anti-penetration water purifier structure is complicated, bulky, in addition it is also necessary to use external power supply, it is impossible to meet consumer demand well.
Summary of the invention
The technical problem to be solved is to overcome the deficiencies in the prior art, it is provided that a kind of simple in construction, volume are little, the built-in purification water of energy-conserving and environment-protective and good purification and osmosis filtration faucet.
nullThe technical solution adopted in the present invention is: the present invention includes pedestal，Yuan Shui water route it is provided with in described pedestal，Controlling the water circulation switch it is provided with on described Yuan Shui water route，Interior water proof cylinder and the shell body being arranged on outside described interior water proof cylinder it is provided with on described pedestal，It is provided with purification water filtering device between described interior water proof cylinder and described shell body，It is provided with reverse osmosis filter element in described interior water proof cylinder，Water side, described Yuan Shui water route is connected with the water inlet end of described purification water filtering device，The water side of described purification water filtering device is connected with the water inlet end of described reverse osmosis filter element，Described shell body upper end is provided with water outlet head，Terminal water outlet water route it is provided with in described water outlet head，The water inlet end in described terminal water outlet water route is connected with the water side of described purification water filtering device，Or the water inlet end in described terminal water outlet water route is connected with the water side of described reverse osmosis filter element，The water side in described terminal water outlet water route connects the first outlet pipe，It is provided with control on described terminal water outlet water route and purifies water and reverse osmosis water purification water control switch or reverse osmosis water control switch.
Further, space between described interior water proof cylinder and described shell body is separated into the first intake antrum and the first water chamber by described purification water filtering device, described first intake antrum is between described shell body and described purification water filtering device, described first water chamber is between described interior water proof cylinder and described purification water filtering device, the water of described first intake antrum enters described first water chamber after described purification water filtering device filters, and the outlet in described Yuan Shui water route is connected with described first intake antrum；nullThe top and bottom of described reverse osmosis filter element are respectively equipped with the upper reverse osmosis water outlet and lower reverse osmosis water outlet being interconnected，Water cavity is had between outside and the inwall of described interior water proof cylinder of described reverse osmosis filter element，It is provided with a sealing structure between outside and the inwall of described interior water proof cylinder of described reverse osmosis filter element，Water cavity between outside and the inwall of described interior water proof cylinder of described reverse osmosis filter element is separated into upper and lower two water cavities by described sealing structure，The water cavity of described sealing superstructure is for purifying water storage chamber，It is provided with purification water water outlet water route in described pedestal and purifies water water inlet water route，The water inlet end in described purification water water outlet water route is connected with described first water chamber，The water side in described purification water water outlet water route is connected by the first external pipe with the water inlet end in described purification water water inlet water route，The water side in described purification water water inlet water route is connected with described purification water storage chamber，The water inlet end in described terminal water outlet water route is connected with described purification water storage chamber；The water inlet end of described reverse osmosis filter element is connected with described purification water storage chamber, reverse osmosis water water outlet water route and wastewater effluent water route it is additionally provided with in described pedestal, the water inlet end in described reverse osmosis water water outlet water route is connected with described lower reverse osmosis water outlet, the water side in described reverse osmosis water water outlet water route is connected with pressure pot by the second external water pipe, the wastewater effluent end of described reverse osmosis filter element is connected with the water inlet end in described wastewater effluent water route, and the water side in described wastewater effluent water route connects the 3rd external water pipe；Reverse osmosis water water delivery water route it is additionally provided with in described water outlet head, the water inlet end in described reverse osmosis water water delivery water route is connected with described upper reverse osmosis water outlet, the water side in described reverse osmosis water water delivery water route is connected with the water side in described terminal water outlet water route, and described reverse osmosis water water delivery water route is provided with reverse osmosis water control switch.
Further, described reverse osmosis water water delivery water route is additionally provided with rearmounted filter element.
Further, described Yuan Shui water route being additionally provided with blowoff valve, described controlling the water circulation switchs between the water side in described blowoff valve and described Yuan Shui water route.
Further, present invention additionally comprises balanced valve, described balanced valve is arranged on described second external water pipe and described first external pipe.
Further, hot water water route, cold water water route and mixing water water outlet water route it is provided with in described pedestal, described cold water water route is connected in parallel with described Yuan Shui water route, it is provided with mixing water switch between described hot water water route, described cold water water route and described mixing water water outlet water route, described pedestal is additionally provided with the mixing water outlet pipe that the water side with described mixing water water outlet water route is connected.
Further, described purification water filtering device includes active carbon filter core, is arranged on the first macromolecule PE sleeve outside described active carbon filter core and is arranged on the second macromolecule PE sleeve inside described active carbon filter core.
The invention has the beneficial effects as follows: owing to present invention employs the design of built-in purification water and osmosis filtration water, the present invention is compared with anti-penetration water purifier of the prior art simultaneously, the structure of the present invention is simpler, volume is greatly reduced, need not connect power supply just can obtain pure water and ultra-pure water simultaneously, very environmental protection, also need not additionally install faucet, greatly reduce the use cost of user.
Additionally, owing to being provided with hot water water route, cold water water route and mixing water water outlet water route in described pedestal, described cold water water route is connected in parallel with described Yuan Shui water route, mixing water switch it is provided with between described hot water water route, described cold water water route and described mixing water water outlet water route, the mixing water outlet pipe that the water side with described mixing water water outlet water route is connected it is additionally provided with on described pedestal, so the present invention can also provide the user cold and hot mixing water, structure is compacter.
Accompanying drawing explanation
Fig. 1 is the sectional view of the present invention；
Fig. 2 is the schematic enlarged-scale view at the A of Fig. 1；
Fig. 3 is the sectional view of other direction of the present invention；
Fig. 4 is the operating diagram of the present invention；
Fig. 5 is the structural representation of another embodiment of the present invention.
Detailed description of the invention
Embodiment one
nullSuch as Fig. 1、Fig. 2、Shown in Fig. 3 and Fig. 4，In the present embodiment，The present invention includes pedestal 1,It is provided with Yuan Shui water route 2 in described pedestal 1，Controlling the water circulation switch 3 it is provided with on described Yuan Shui water route 2，Interior water proof cylinder 4 and the shell body 5 being arranged on outside described interior water proof cylinder 4 it is provided with on described pedestal 1，Purification water filtering device 6 it is provided with between described interior water proof cylinder 4 and described shell body 5，It is provided with reverse osmosis filter element 7 in described interior water proof cylinder 4，Space between described interior water proof cylinder 4 and described shell body 5 is separated into the first intake antrum 8 and the first water chamber 9 by described purification water filtering device 6，Described first intake antrum 8 is between described shell body 5 and described purification water filtering device 6，Described first water chamber 9 is between described interior water proof cylinder 4 and described purification water filtering device 6，The water of described first intake antrum 8 enters described first water chamber 9 after described purification water filtering device 6 filters，The outlet in described Yuan Shui water route 2 is connected with described first intake antrum 8；nullThe top and bottom of described reverse osmosis filter element 7 are respectively equipped with the upper reverse osmosis water outlet 10 and lower reverse osmosis water outlet 11 being interconnected，Water cavity is had between outside and the inwall of described interior water proof cylinder 4 of described reverse osmosis filter element 7，It is provided with a sealing structure 12 between outside and the inwall of described interior water proof cylinder 4 of described reverse osmosis filter element 7，Water cavity between outside and the inwall of described interior water proof cylinder 4 of described reverse osmosis filter element 7 is separated into upper and lower two water cavities by described sealing structure 12，Water cavity above described sealing structure 12 is for purifying water storage chamber 13，It is provided with purification water water outlet water route 14 in described pedestal 1 and purifies water water inlet water route 15，The water inlet end in described purification water water outlet water route 14 is connected with described first water chamber 9，The water side in described purification water water outlet water route 14 is connected by the first external pipe 30 with the water inlet end in described purification water water inlet water route 15，The water side in described purification water water inlet water route 15 is connected with described purification water storage chamber 13；Described shell body 5 upper end is provided with water outlet head 16, terminal water outlet water route 17 it is provided with in described water outlet head 16, the water inlet end in described terminal water outlet water route 17 is connected with described purification water storage chamber 13, the water side in described terminal water outlet water route 17 connects the first outlet pipe 18, and described terminal water outlet water route 17 is provided with purification water control switch 19；The water inlet end of described reverse osmosis filter element 7 is connected with described purification water storage chamber 13, reverse osmosis water water outlet water route 20 and wastewater effluent water route 21 it is additionally provided with in described pedestal 1, the water inlet end in described reverse osmosis water water outlet water route 20 is connected with described lower reverse osmosis water outlet 11, the water side in described reverse osmosis water water outlet water route 20 is connected with pressure pot 22 by the second external water pipe 29, the wastewater effluent end of described reverse osmosis filter element 7 is connected with the water inlet end in described wastewater effluent water route 21, and the water side in described wastewater effluent water route 21 connects the 3rd external water pipe 23；Reverse osmosis water water delivery water route 24 it is additionally provided with in described water outlet head 16, the water inlet end in described reverse osmosis water water delivery water route 24 is connected with described upper reverse osmosis water outlet 10, the water side in described reverse osmosis water water delivery water route 24 is connected with the water side in described terminal water outlet water route 17, and described reverse osmosis water water delivery water route 24 is provided with reverse osmosis water control switch 25.
In the present embodiment, described reverse osmosis water water delivery water route 24 is additionally provided with rearmounted filter element 26.
In the present embodiment, described Yuan Shui water route 2 being additionally provided with blowoff valve 27, described controlling the water circulation switch 3 is between the water side in described blowoff valve 27 and described Yuan Shui water route 2.
In the present embodiment, present invention additionally comprises balanced valve 28, described balanced valve 28 is arranged on described second external water pipe 29 and described first external pipe 30.
In the present embodiment, hot water water route 31, cold water water route 32 and mixing water water outlet water route 33 it is provided with in described pedestal 1, described cold water water route 32 is connected in parallel with described Yuan Shui water route 2, it is provided with mixing water switch 34 between described hot water water route 31, described cold water water route 32 and described mixing water water outlet water route 33, described pedestal 1 is additionally provided with the mixing water outlet pipe 35 that the water side with described mixing water water outlet water route 33 is connected.
In the present embodiment, described purification water filtering device 6 includes active carbon filter core 61, is arranged on the first macromolecule PE sleeve 62 outside described active carbon filter core 61 and is arranged on the second macromolecule PE sleeve 63 inside described active carbon filter core 61.
Embodiment two
As shown in Figure 5, in the present embodiment, the present embodiment is with the difference of embodiment one: the water inlet end in described terminal water outlet water route 17 is connected with the water side of described purification water filtering device 6, the water inlet end in described terminal water outlet water route 17 is connected with the water side of described reverse osmosis filter element 7, the water side in described terminal water outlet water route 17 connects the first outlet pipe 18, purification water control switch 19 it is provided with on described terminal water outlet water route 17, described purification water control switch 19 is switching switch, the water inlet end in described terminal water outlet water route 17 is connected or disconnects by described switching switch with described terminal water outlet water route 17 with the water side in described terminal water outlet water route 17.
The structure of the present invention is simpler, and volume is greatly reduced, and need not connect power supply, very environmental protection simultaneously, also need not additionally install faucet, greatly reduce the use cost of user.Additionally the present invention can make user obtain Leng Yuanshui, pyrogen water, pure water and ultrafiltration water, can greatly meet the use requirement of user.
The present invention is applied to the technical field of faucet.
Although embodiments of the invention describe with practical solution, but it is not intended that the restriction to implication of the present invention.For those skilled in the art, will be apparent from according to this specification combination to the amendment of its embodiment and with other schemes.
Claims (7)
- null1. a built-in purification water and osmosis filtration faucet，Including pedestal (1)，Yuan Shui water route (2) it is provided with in described pedestal (1)，Controlling the water circulation switch (3) it is provided with on described Yuan Shui water route (2)，It is characterized in that: be provided with interior water proof cylinder (4) on described pedestal (1) and be arranged on described interior water proof cylinder (4) shell body (5) outward，Purification water filtering device (6) it is provided with between described interior water proof cylinder (4) and described shell body (5)，It is provided with reverse osmosis filter element (7) in described interior water proof cylinder (4)，Described Yuan Shui water route (2) water side is connected with the water inlet end of described purification water filtering device (6)，The water side of described purification water filtering device (6) is connected with the water inlet end of described reverse osmosis filter element (7)，Described shell body (5) upper end is provided with water outlet head (16)，It is provided with terminal water outlet water route (17) in described water outlet head (16)，The water inlet end of described terminal water outlet water route (17) is connected with the water side of described purification water filtering device (6)，Or the water inlet end of described terminal water outlet water route (17) is connected with the water side of described reverse osmosis filter element (7)，The water side of described terminal water outlet water route (17) connects the first outlet pipe (18)，It is provided with control on described terminal water outlet water route (17) and purifies water and reverse osmosis water purification water control switch (19) or reverse osmosis water control switch (25).
- 2. a built-in purification water and osmosis filtration faucet, it is characterized in that: the space between described interior water proof cylinder (4) and described shell body (5) is separated into the first intake antrum (8) and the first water chamber (9) by described purification water filtering device (6), described first intake antrum (8) is positioned between described shell body (5) and described purification water filtering device (6), described first water chamber (9) is positioned between described water proof cylinder (4) and described purification water filtering device (6), the water of described first intake antrum (8) enters described first water chamber (9) after described purification water filtering device (6) is filtered, the outlet of described Yuan Shui water route (2) is connected with described first intake antrum (8)；nullThe top and bottom of described reverse osmosis filter element (7) are respectively equipped with the upper reverse osmosis water outlet (10) and lower reverse osmosis water outlet (11) being interconnected，Water cavity is had between outside and the inwall of described interior water proof cylinder (4) of described reverse osmosis filter element (7)，It is provided with a sealing structure (12) between outside and the inwall of described interior water proof cylinder (4) of described reverse osmosis filter element (7)，Water cavity between outside and the inwall of described interior water proof cylinder (4) of described reverse osmosis filter element (7) is separated into upper and lower two water cavities by described sealing structure (12)，The water cavity of described sealing structure (12) top is for purifying water storage chamber (13)，It is provided with purification water water outlet water route (14) in described pedestal (1) and purifies water water inlet water route (15)，The water inlet end of described purification water water outlet water route (14) is connected with described first water chamber (9)，The water side of described purification water water outlet water route (14) is connected by the first external pipe (30) with the water inlet end of described purification water water inlet water route (15)，The water side of described purification water water inlet water route (15) is connected with described purification water storage chamber (13)，The water inlet end of described terminal water outlet water route (17) is connected with described purification water storage chamber (13)；The water inlet end of described reverse osmosis filter element (7) is connected with described purification water storage chamber (13), reverse osmosis water water outlet water route (20) and wastewater effluent water route (21) it are additionally provided with in described pedestal (1), the water inlet end of described reverse osmosis water water outlet water route (20) is connected with described lower reverse osmosis water outlet (11), the water side of described reverse osmosis water water outlet water route (20) is connected with pressure pot (22) by the second external water pipe (29), the wastewater effluent end of described reverse osmosis filter element (7) is connected with the water inlet end of described wastewater effluent water route (21), the water side of described wastewater effluent water route (21) connects the 3rd external water pipe (23)；It is additionally provided with reverse osmosis water water delivery water route (24) in described water outlet head (16), the water inlet end of described reverse osmosis water water delivery water route (24) is connected with described upper reverse osmosis water outlet (10), the water side of described reverse osmosis water water delivery water route (24) is connected with the water side of described terminal water outlet water route (17), and described reverse osmosis water water delivery water route (24) is provided with reverse osmosis water control switch (25).
- One the most according to claim 1 built-in purification water and osmosis filtration faucet, it is characterised in that: it is additionally provided with rearmounted filter element (26) on described reverse osmosis water water delivery water route (24).
- One the most according to claim 1 built-in purification water and osmosis filtration faucet, it is characterized in that: be additionally provided with blowoff valve (27) on described Yuan Shui water route (2), described controlling the water circulation switch (3) is positioned between the water side in described blowoff valve (27) and described Yuan Shui water route (2).
- 5. according to the one built-in purification water described in any one of claims 1 to 3 and osmosis filtration faucet, it is characterized in that: described one built-in purification water and osmosis filtration faucet also include that balanced valve (28), described balanced valve (28) are arranged on described second external water pipe (29) and described first external pipe (30).
- 6. according to the one built-in purification water described in any one of claims 1 to 3 and osmosis filtration faucet, it is characterized in that: in described pedestal (1), be provided with hot water water route (31), cold water water route (32) and mixing water water outlet water route (33), described cold water water route (32) is connected in parallel with described Yuan Shui water route (2), described hot water water route (31), mixing water switch (34) it is provided with between described cold water water route (32) and described mixing water water outlet water route (33), the mixing water outlet pipe (35) that the water side with described mixing water water outlet water route (33) is connected it is additionally provided with on described pedestal (1).
- 7. according to the one built-in purification water described in any one of claims 1 to 3 and osmosis filtration faucet, it is characterised in that: described purification water filtering device (6) includes active carbon filter core (61), the first macromolecule PE sleeve (62) being arranged on described active carbon filter core (61) outside and is arranged on the second macromolecule PE sleeve (63) of described active carbon filter core (61) inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610560442.0A CN105948299A (en) | 2016-07-17 | 2016-07-17 | Built-in type water purification and reverse osmosis filtration faucet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610560442.0A CN105948299A (en) | 2016-07-17 | 2016-07-17 | Built-in type water purification and reverse osmosis filtration faucet |
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| CN105948299A true CN105948299A (en) | 2016-09-21 |
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| CN201610560442.0A Pending CN105948299A (en) | 2016-07-17 | 2016-07-17 | Built-in type water purification and reverse osmosis filtration faucet |
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Citations (4)
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|---|---|---|---|---|
| JPH0286891A (en) * | 1988-09-22 | 1990-03-27 | Purohoomu Japan Kk | Water purifying plant |
| CN1778697A (en) * | 2005-10-15 | 2006-05-31 | 高天孝 | Water-saving composite mineral water direct water with acid base |
| CN2865836Y (en) * | 2005-08-12 | 2007-02-07 | 王钦华 | Mono double-flow channel filtering combined filter elements structure |
| CN101592241A (en) * | 2009-04-21 | 2009-12-02 | 庞剑 | A kind of single tube disjunctor water tap with the dual-filtering water device |
-
2016
- 2016-07-17 CN CN201610560442.0A patent/CN105948299A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0286891A (en) * | 1988-09-22 | 1990-03-27 | Purohoomu Japan Kk | Water purifying plant |
| CN2865836Y (en) * | 2005-08-12 | 2007-02-07 | 王钦华 | Mono double-flow channel filtering combined filter elements structure |
| CN1778697A (en) * | 2005-10-15 | 2006-05-31 | 高天孝 | Water-saving composite mineral water direct water with acid base |
| CN101592241A (en) * | 2009-04-21 | 2009-12-02 | 庞剑 | A kind of single tube disjunctor water tap with the dual-filtering water device |
Non-Patent Citations (1)
| Title |
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| 王东萍等: "《建筑水暖设备安装》", 30 September 2006, 机械工业出版社 * |
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Address after: 519000 239 Anji Middle Road, San Zao Town, Jin Wan District, Zhuhai, Guangdong Applicant after: Zhuhai David Technology Co., Ltd. Address before: 519000 239 Anji Middle Road, San Zao Town, Jin Wan District, Zhuhai, Guangdong Applicant before: Zhuhai David sanitary Technology Co., Ltd. |
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Application publication date: 20160921 |