CN104445668A - Pure water device - Google Patents

Pure water device Download PDF

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Publication number
CN104445668A
CN104445668A CN201310442120.2A CN201310442120A CN104445668A CN 104445668 A CN104445668 A CN 104445668A CN 201310442120 A CN201310442120 A CN 201310442120A CN 104445668 A CN104445668 A CN 104445668A
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CN
China
Prior art keywords
water
membrane cartridge
membrane
pure water
filter core
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.)
Granted
Application number
CN201310442120.2A
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Chinese (zh)
Other versions
CN104445668B (en
Inventor
王学全
向延群
陈子斌
夏鹏
刘晓辉
杜旗
杨勇
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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 Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201310442120.2A priority Critical patent/CN104445668B/en
Publication of CN104445668A publication Critical patent/CN104445668A/en
Application granted granted Critical
Publication of CN104445668B publication Critical patent/CN104445668B/en
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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02Non-contaminated water, e.g. for industrial water supply
    • C02F2103/04Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

Abstract

The invention provides a pure water device. The pure water device comprises a water inlet pipeline, a PP (Polypropylene) cotton filter element, a prepositive activated carbon filter element, a first RO membrane filter element, a second RO membrane filter element, a composite filter element and a water outlet pipeline, wherein the first RO membrane filter element and the second RO membrane filter element are arranged in series or in parallel; the composite filter element comprises an ultrafiltration membrane and postpositive activated carbon; and tap water enters from the water inlet pipeline and then sequentially passes through the PP cotton filter element, the prepositive activated carbon filter element, the first RO membrane filter element or the second RO membrane filter element and enters the composite filter element and finally flows out of the water outlet pipeline. According to the pure water device, since the composite filter element is arranged in front of the pure water outlet, the water quality of effluent water can be ensured so that the mouth feeling of the effluent water is good; and the filtration process is improved, even if the pure water machine is not used in a long term, the pure water can be drunk when the pure water machine is started and thus the pure water device is convenient to use and safe.

Description

Pure water device
Technical field
The present invention relates to water treatment field, particularly relate to a kind of pure water device.
Background technology
Along with the development of pure water industry, the water filtration process of water purification machine is varied, can filter the pure water producing different quality, and the function of each filter core in filtration process is also not quite similar.
General filtration process is all the mode first through PP cotton filter core, active carbon filter core, ultrafiltration membrane filter element etc. or these cartridge combination before RO film, and conventional filtration technique generally uses these filter cores.In large discharge pure water system (namely do not use Pressured water tank, RO membrane flux is large), the pure water after RO membrane filtration receives gooseneck faucet, no longer increases filter element filtering or add rearmounted carbon filter core to improve mouthfeel between RO film pure water end and gooseneck faucet.If water purification machine did not use in placement for some time, or when filter core is safeguarded, the bacterium in tap water, virus are easy to enter pure water pipeline and pollute water quality, affect water quality safety.
Summary of the invention
In order to overcome above-mentioned deficiency, the object of this invention is to provide a kind of new pure water device.
Technical scheme of the present invention is as follows:
A kind of pure water device, comprises inlet channel, PP cotton filter core, preposition activated charcoal filter core, a RO membrane cartridge, the 2nd RO membrane cartridge, composite filter element and outlet conduit;
The cotton filter core of described inlet channel, PP is connected successively with preposition activated charcoal filter core;
A described RO membrane cartridge and described 2nd RO membrane cartridge serial or parallel connection are arranged;
The feed-water end of a described RO membrane cartridge and/or described 2nd RO membrane cartridge is connected with preposition activated charcoal filter core, and the water side of a described RO membrane cartridge and/or described 2nd RO membrane cartridge is connected with described composite filter element; Described composite filter element is connected with described outlet conduit;
Tap water enters from inlet channel, afterwards successively by entering composite filter element after PP cotton filter core, preposition activated charcoal filter core, a RO membrane cartridge and/or the 2nd RO membrane cartridge, then flows out from outlet conduit;
Described composite filter element comprises ultra-filtration membrane and post active carbon.
Wherein in an embodiment, a described RO membrane cartridge and described 2nd RO membrane cartridge are arranged in parallel;
The feed-water end of a described RO membrane cartridge is connected with described preposition activated charcoal, and the water side of a described RO membrane cartridge is connected with described composite filter element;
The feed-water end of described 2nd RO membrane cartridge is connected with described preposition activated charcoal, and the water side of described 2nd RO membrane cartridge is connected with described composite filter element.
Wherein in an embodiment, a described RO membrane cartridge and described 2nd RO membrane cartridge are arranged in series, and the dense water out of a described RO membrane cartridge is connected to the feed-water end of described 2nd RO membrane cartridge;
Through the water outlet of a described RO membrane cartridge or described 2nd RO membrane cartridge process after described ultrafiltration membrane treatment, then flow out from outlet conduit after described post active carbon process.
Wherein in an embodiment, a described RO membrane cartridge is identical with the flux of the 2nd RO membrane cartridge, and is the RO membrane cartridge of large flux.
Wherein in an embodiment, described inlet channel is also provided with reducing valve and low-tension switch, and wherein reducing valve is near described water-in.
Wherein in an embodiment, entering water electromagnetic valve, stabilized pressure pump and under meter is also provided with between the cotton filter core of described PP and described preposition activated charcoal filter core, described entering water electromagnetic valve is near the cotton filter core of described PP, described under meter is near described preposition activated charcoal, and described stabilized pressure pump is arranged between described entering water electromagnetic valve and described under meter.
Wherein in an embodiment, the dense water exit conduit of a described RO membrane cartridge and/or described 2nd RO membrane cartridge is also provided with waste water proportioner.
Wherein in an embodiment, described outlet conduit is also provided with reverse checkvalve and pressure switch, and described reverse checkvalve is near described composite filter element.
The invention has the beneficial effects as follows: pure water device of the present invention was provided with composite filter element before pure water outlet, can ensure effluent quality, make water outlet sense better; Improve filtration process on the other hand, namely drink even if water purification machine does not use can namely open for a long time, safety easy to use yet.
Accompanying drawing explanation
In order to make the object of pure water device of the present invention, technical scheme and advantage clearly understand, below in conjunction with concrete drawings and the specific embodiments, the present invention is further elaborated.
Fig. 1 is the one-piece construction schematic diagram of an embodiment of pure water device of the present invention;
Fig. 2 is the one-piece construction schematic diagram of another embodiment of pure water device of the present invention.
Embodiment
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
See Fig. 1 and Fig. 2, the invention provides a kind of pure water device, comprise inlet channel 1, PP cotton filter core 2, preposition activated charcoal filter core 3, a RO membrane cartridge 4, the 2nd RO membrane cartridge 5, composite filter element 6 and outlet conduit 7; The cotton filter core 2 of described inlet channel 1, PP is connected successively with preposition activated charcoal filter core 3; A described RO membrane cartridge 4 and described 2nd RO membrane cartridge 5 serial or parallel connection are arranged; The feed-water end of a described RO membrane cartridge 4 and/or described 2nd RO membrane cartridge 5 is connected with described preposition activated charcoal filter core 3, and the water side of a described RO membrane cartridge 4 and/or described 2nd RO membrane cartridge 5 is connected with described composite filter element 6; Described composite filter element 6 is connected with described outlet conduit 7; Tap water enters from inlet channel 1, afterwards successively by entering composite filter element 6 after PP cotton filter core 2, preposition activated charcoal filter core 3, a RO membrane cartridge 4 or the 2nd RO membrane cartridge 5, then flows out from outlet conduit 7; Wherein said composite filter element 6 comprises ultra-filtration membrane and post active carbon.
In the present embodiment, one end of described inlet channel 1 is water-in 101, and the other end of described inlet channel 1 connects the cotton filter core 2 of described PP; The cotton filter core 2 of described PP is connected with described preposition activated charcoal filter core 3, described preposition activated charcoal filter core 3 is connected with the feed-water end 41 of a described RO membrane cartridge 4 and/or the feed-water end of described 2nd RO membrane cartridge 5, the water side 42 of a described RO membrane cartridge 4 and/or the water side 52 of described 2nd RO membrane cartridge 5 are connected to described composite filter element 6, described composite filter element 6 is connected with described outlet conduit 7, and one end of described outlet conduit 7 is provided with pure water outlet 71; Tap water enters from inlet channel 1, afterwards successively by entering composite filter element 6 after PP cotton filter core 2, preposition activated charcoal filter core 3, a RO membrane cartridge 4 and/or the 2nd RO membrane cartridge 5, then flows out from outlet conduit 7.
The present embodiment is provided with two RO membrane cartridges 4,5, arranges water production rate so large, can meet the water intaking demand of the large user of water consumption, and not need to arrange Pressured water tank, can ensure fresh safety of drinking water; Moreover, the present embodiment is provided with composite filter element between RO membrane cartridge and pure water outlet, and the water pollution that can prevent long-term untapped water purification machine from causing by composite filter element, avoids bacterium to exceed standard and taste bad, even if make water purification machine not use for a long time also can namely open and namely drink, easy to use.
Preferably, as a kind of embodiment, composite filter element 6 comprises ultra-filtration membrane and post active carbon, and the described water outlet through a RO membrane cartridge 4 or the process of the 2nd RO membrane cartridge 5, after ultrafiltration membrane treatment, then to be flowed out from outlet conduit after post active carbon process.Ultra-filtration membrane wherein in the present embodiment mainly filters further to the water storage deposited in long-term untapped pipeline, and post active carbon is mainly used in improving mouthfeel, the filtration order of the composite filter element in the present embodiment is for first to improve mouthfeel through post active carbon again through ultrafiltration membrance filter.Wherein the mounting means of ultra-filtration membrane and post active carbon is that ultra-filtration membrane is upper, post active carbon under, the shell of composite filter element can be set to round shape, the cross section of the shape of described ultra-filtration membrane and the shell of described composite filter element adapts, described ultra-filtration membrane is arranged on the top of the enclosure of described composite filter element, post active carbon is arranged on the bottom of enclosure, preferably, ultra-filtration membrane is arranged on the position of distance shell upper end 1/4 to 1/3 on shell, and the height of post active carbon at least accounts for 1/3 of the height of described ultra-filtration membrane shell.Such water has enough pressure and power to filter.Upper end when composite filter element is placed when the upper end of its housing is use.
Preferably, as a kind of embodiment, see Fig. 1, a described RO membrane cartridge 4 and described 2nd RO membrane cartridge 5 are arranged in parallel, namely the feed-water end 41 of a described RO membrane cartridge 4 is connected with described preposition activated charcoal 3, and the water side 42 of a described RO membrane cartridge 4 is connected with described composite filter element 6; The feed-water end 51 of described 2nd RO membrane cartridge 5 is connected with described preposition activated charcoal 3, and the water side 52 of described 2nd RO membrane cartridge 5 is connected with described composite filter element 6.A RO membrane cartridge in the present embodiment and the 2nd RO membrane cartridge are arranged in parallel, and the process water yield is large, even if one of them RO membrane cartridge blocks or occurs other faults, pure water device still can continue to use.
Preferably, as a kind of embodiment, see Fig. 2, a described RO membrane cartridge 4 and described 2nd RO membrane cartridge 5 are arranged in series, and namely the dense water out 43 of a described RO membrane cartridge 4 is connected to the feed-water end 51 of described 2nd RO membrane cartridge 5.In the present embodiment, the dense water that a RO membrane cartridge 4 produces directly is accessed the feed-water end 51 of the 2nd RO membrane cartridge 5, arranging like this can the dense water that produces of Appropriate application the one RO membrane cartridge 4, and avoid waste, water saving, improves producing water ratio.
Preferably, a described RO membrane cartridge 4 is identical with the flux of the 2nd RO membrane cartridge 5, and is the RO membrane cartridge of large flux.It is large that water production rate is set like this, can not need access Pressured water tank and directly water outlet meet user and to fetch water demand.
Preferably, as a kind of embodiment, described inlet channel 1 is also provided with reducing valve 8 and low-tension switch 9, wherein reducing valve 8 is near described water-in 101.Intake pressure, mainly through controlling opening of valve, is down to the pressure of needs and relies on the energy of medium itself to make the valve of pressure remained steady by the reducing valve 8 in the present embodiment, is mainly used in regulating intake pressure; Low-tension switch 9 in the present embodiment is mainly used in the protection of lack of water complete machine, and when (tap water) pressure of intaking reaches set(ting)value, low-tension switch closes; connect water circuit processed, when water feeding pressure is lower or the cotton filter core of PP blocks, low-tension switch disconnects; cut off water circuit processed, avoid water pump to dally.
Preferably, as a kind of embodiment, entering water electromagnetic valve 10, stabilized pressure pump 11 and under meter 12 is also provided with between the cotton filter core 2 of described PP and described preposition activated charcoal filter core 3, described entering water electromagnetic valve 10 is near the cotton filter core 2 of described PP, described under meter 12 is near described preposition activated charcoal 3, and described stabilized pressure pump 11 is arranged between described entering water electromagnetic valve 10 and described under meter 12.Entering water electromagnetic valve 10 in the present embodiment is mainly used in controlling water inlet, when water inlet, entering water electromagnetic valve 10 is opened, when stopping water inlet, entering water electromagnetic valve 10 disconnects, and entering water electromagnetic valve mainly play follow-up filter core when preventing from shutting down continue to be subject to hydraulic pressure effect, prevent tap water from causing waste water not stop through the dense water exit conduit of RO film simultaneously, extend the work-ing life of filter core; Stabilized pressure pump 11 mainly plays the effect of stable hydraulic pressure, for providing the pressure of RO membrane cartridge; According under meter and aquifer yield, under meter 12, mainly for detection of flow, can judge that whether the state of pure water device is normal.
Preferably, as a kind of embodiment, the dense water exit conduit of a described RO membrane cartridge and/or described 2nd RO membrane cartridge is also provided with waste water proportioner 13.The wastewater flow rate of RO membrane cartridge can be regulated by regulating waste water proportioner 13 and regulate the operating pressure of RO membrane cartridge.Waste water proportioner in the present embodiment is 1000cc.In Fig. 1, described waste water proportioner 13 is arranged on the dense water outlet conduit after a RO membrane cartridge and the 2nd RO membrane cartridge parallel connection; In Fig. 2, described waste water proportioner is arranged on the dense water outlet conduit 53 of described 2nd RO membrane cartridge.
Preferably, as a kind of embodiment, described outlet conduit 7 is also provided with reverse checkvalve 14 and pressure switch 15, described reverse checkvalve 14 is near described composite filter element 6.Wherein reverse checkvalve 14 is mainly used in preventing pure water from flowing backwards, and pressure switch 15 is mainly used in controlling pure water amount.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claim.

Claims (8)

1. a pure water device, is characterized in that, comprises inlet channel, PP cotton filter core, preposition activated charcoal filter core, a RO membrane cartridge, the 2nd RO membrane cartridge, composite filter element and outlet conduit;
The cotton filter core of described inlet channel, PP is connected successively with preposition activated charcoal filter core;
A described RO membrane cartridge and described 2nd RO membrane cartridge serial or parallel connection are arranged;
The feed-water end of a described RO membrane cartridge and/or described 2nd RO membrane cartridge is connected with described preposition activated charcoal filter core, and the water side of a described RO membrane cartridge and/or described 2nd RO membrane cartridge is connected with described composite filter element; Described composite filter element is connected with described outlet conduit;
Tap water enters from inlet channel, afterwards successively by entering composite filter element after PP cotton filter core, preposition activated charcoal filter core, a RO membrane cartridge and/or the 2nd RO membrane cartridge, then flows out from outlet conduit;
Described composite filter element comprises ultra-filtration membrane and post active carbon.
2. pure water device according to claim 1, is characterized in that, a described RO membrane cartridge and described 2nd RO membrane cartridge are arranged in parallel;
The feed-water end of a described RO membrane cartridge is connected with described preposition activated charcoal, and the water side of a described RO membrane cartridge is connected with described composite filter element;
The feed-water end of described 2nd RO membrane cartridge is connected with described preposition activated charcoal, and the water side of described 2nd RO membrane cartridge is connected with described composite filter element;
Through the water outlet of a described RO membrane cartridge or described 2nd RO membrane cartridge process after described ultrafiltration membrane treatment, then flow out from outlet conduit after described post active carbon process.
3. pure water device according to claim 1, is characterized in that, a described RO membrane cartridge and described 2nd RO membrane cartridge are arranged in series, and the dense water out of a described RO membrane cartridge is connected to the feed-water end of described 2nd RO membrane cartridge.
4. pure water device according to claim 1, is characterized in that, a described RO membrane cartridge is identical with the flux of the 2nd RO membrane cartridge, and is the RO membrane cartridge of large flux.
5. the pure water device according to Claims 1-4 any one, is characterized in that, described inlet channel is also provided with reducing valve and low-tension switch, and wherein reducing valve is near described water-in.
6. the pure water device according to Claims 1-4 any one, it is characterized in that, entering water electromagnetic valve, stabilized pressure pump and under meter is also provided with between the cotton filter core of described PP and described preposition activated charcoal filter core, described entering water electromagnetic valve is near the cotton filter core of described PP, described under meter is near described preposition activated charcoal, and described stabilized pressure pump is arranged between described entering water electromagnetic valve and described under meter.
7. the pure water device according to Claims 1-4 any one, is characterized in that, the dense water exit conduit of a described RO membrane cartridge and/or described 2nd RO membrane cartridge is also provided with waste water proportioner.
8. the pure water device according to Claims 1-4 any one, is characterized in that, described outlet conduit is also provided with reverse checkvalve and pressure switch, and described reverse checkvalve is near described composite filter element.
CN201310442120.2A 2013-09-25 2013-09-25 Pure water device Active CN104445668B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
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CN104548742A (en) * 2013-10-12 2015-04-29 珠海格力电器股份有限公司 Water purifier
CN104743704A (en) * 2015-03-31 2015-07-01 佛山市顺德区美的饮水机制造有限公司 Post-processed composite filter element and water purifying system containing same
CN104829024A (en) * 2015-05-22 2015-08-12 佛山市顺德区美的饮水机制造有限公司 Filter system of water purifying plant and water purifying plant with same
CN106277206A (en) * 2016-09-23 2017-01-04 珠海格力电器股份有限公司 A kind of purifying drinking appliance
CN108442478A (en) * 2018-02-05 2018-08-24 西安科技大学 A kind of nutriment original position recycling bio-toilet device based on the separation of excrement source

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN104548742A (en) * 2013-10-12 2015-04-29 珠海格力电器股份有限公司 Water purifier
CN104743704A (en) * 2015-03-31 2015-07-01 佛山市顺德区美的饮水机制造有限公司 Post-processed composite filter element and water purifying system containing same
CN104829024A (en) * 2015-05-22 2015-08-12 佛山市顺德区美的饮水机制造有限公司 Filter system of water purifying plant and water purifying plant with same
CN106277206A (en) * 2016-09-23 2017-01-04 珠海格力电器股份有限公司 A kind of purifying drinking appliance
CN106277206B (en) * 2016-09-23 2018-12-21 珠海格力电器股份有限公司 A kind of purifying drinking appliance
CN108442478A (en) * 2018-02-05 2018-08-24 西安科技大学 A kind of nutriment original position recycling bio-toilet device based on the separation of excrement source

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