CN205275380U - Purifier - Google Patents

Purifier Download PDF

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Publication number
CN205275380U
CN205275380U CN201620012151.3U CN201620012151U CN205275380U CN 205275380 U CN205275380 U CN 205275380U CN 201620012151 U CN201620012151 U CN 201620012151U CN 205275380 U CN205275380 U CN 205275380U
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CN
China
Prior art keywords
water
branch road
filtration unit
purifying machine
flushing
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CN201620012151.3U
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Chinese (zh)
Inventor
沈科
刘杨
王晨
何耀华
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AO Smith Nanjing Water Treatment Products Co Ltd
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AO Smith Nanjing Water Treatment Products Co Ltd
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Priority to CN201620012151.3U priority Critical patent/CN205275380U/en
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Abstract

The utility model discloses a purifier, it is intaking between end and the play water end (W. E. ) and electric electrolytic flocculation device, a filter equipment of mutual intercommunication including setting gradually, wherein, a filter equipment is provided with the waste water branch road, electricity electrolytic flocculation device is provided with the first branch road that washes, the waste water branch road can with the first branch road that washes is linked together. A filter equipment is provided with the second and washes the branch road, the second wash the branch road can be respectively with first wash the branch road with the waste water branch road is linked together. First wash the branch road with the second washes the branch road and is connected with the solenoid valve that can control its break -make respectively. The first branch road, second of washing washes at least one of branch road and is provided with the flow control device on the road. Purifier be in when washing the state, can be to the electric electrolytic flocculation device of mutual intercommunication, a filter equipment high -efficient washing the simultaneously.

Description

Water-purifying machine
Technical field
The utility model relates to water treatment field, in particular to a kind of water-purifying machine.
Background technology
Water-purifying machine is by the miniature water treatment facility that water quality is carried out deep purifying process by the service requirements of water.
Water-purifying machine is according to different cleaning principles and technique, it is possible to point many types. Water-purifying machine common on the market is mainly divided into RO reverse osmosis water purifier and gac to be the non-RO water-purifying machine of representative; But, RO water-purifying machine flow temperature influence is big, and pump work brings vibrations and noise, part index removal effect not good (such as trivalent arsenic) and expensive; Gac water-purifying machine only can remove limited several pollutents, non-broad spectrum water-purifying machine.
Water-purifying machine comparatively advanced at present adopts electric flocculation technique. Described electricity flocculation water purification technology flocculates device as core taking electricity, after connect filtering system, water pollutant is adsorbed with the micro-floccule (without the need to additional flocculating agents) that electricity flocculation produces, the wadding body of absorb polluted matter is tackled, it is possible to the broad spectrum realizing water pollutant removes (heavy metal, chlorine residue, COD, bacterium with rearmounted filtering system. Such as a kind of employing electricity pretreated household water-purifying machine system of flocculation described in Chinese patent specification sheets CN204039186U. Wherein, suspended substance in water can be flocculated into cotton-shaped without the need to chemical floc by electricity flocculation, and then filters away. In use, the floss of generation is stacked into after to a certain degree in electricity flocculation, can block electricity flocculation itself, and its filtration unit below.
Therefore, at present, it is necessary to propose a kind of electricity flocculation water-purifying machine that can realize efficient cleaning, in described electricity flocculation water-purifying machine use procedure, electricity flocculation is cleaned in time, to ensure its purifying water effect, does not affect filtration unit below.
Practical novel content
The purpose of this utility model is to provide a kind of water-purifying machine that can realize efficient cleaning.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize:
A kind of water-purifying machine, comprising: the electricity flocculation device, the first filtration unit that are successively set between feed-water end and water side and are interconnected, wherein, described first filtration unit is provided with waste water branch road, described electricity flocculation device is provided with the first flushing branch road, and described waste water branch road can be connected with described first flushing branch road.
Further, described first filtration unit is provided with the 2nd flushing branch road, and described 2nd flushing branch road can be connected with described waste water branch road with described first flushing branch road respectively.
Further, described waste water branch road is provided with first flow control device, its one end is connected with described first filtration unit, and the other end is connected with waste water end.
Further, described first flushing branch road is connected with the magnetic valve that can control its break-make respectively with described 2nd flushing branch road.
Further, described waste water branch road is provided with first flow control device, its one end is connected with described first filtration unit, and the other end is connected with waste water end.
Further, described first flushing branch road, the 2nd flushing branch road are provided with second amount control device at least one branch road.
Further, described second amount control device comprises: the first check valve, the 2nd check valve,
Described first ball-and-seat is arranged on described first flushing branch road, and its one end is connected with described electricity flocculation device, and the other end is connected with described magnetic valve, and it is along described electricity flocculation device to described magnetic valve one-way conduction;
Described 2nd check valve is arranged on described 2nd flushing branch road, and its one end is connected with described first filtration unit, and the other end is connected with described magnetic valve, and it is along described first filtration unit to described magnetic valve one-way conduction.
Further, described electricity flocculation device have back to water-in and the body of water outlet, along the bearing of trend of described body, positive plate and the negative plate being provided with upper and lower staggered arrangement in described inner body wall, it can make current from described water-in along described positive plate, negative plate reciprocating and turning-back to described water outlet.
Further, the number of described positive plate, negative plate is multiple, and described positive plate is electrically connected by electrode line; Described negative plate is electrically connected by negative line.
Further, the spacing between adjacent described positive plate, negative plate is 0.5 centimetre to 1 centimetre.
Further, described electricity flocculation device is provided with storage bucket.
Further, described storage bucket between last pole plate and described water outlet, and on inwall on the downside of described body.
Further, the opening that first pole plate and described inner body wall are formed and described water-in lay respectively at the upper and lower both sides of described body.
Further, also it is provided with function carbon-point, UV sterilizing unit between described first filtration unit and described water side.
Further, described first filtration unit is ultrafiltration, and its filtered version is cross flow filter.
Further, it comprises electricity flocculation device, the 2nd filtration unit, the first filtration unit, function carbon-point, the UV sterilizing unit being successively set between feed-water end and water side and be interconnected.
The technical scheme that mode provides is implemented: by being provided with waste water branch road at described first filtration unit from above the application, described electricity flocculation device is provided with the first flushing branch road, described waste water branch road can be connected with described first flushing branch road, when described water-purifying machine is when being in flushing state, described waste water branch road can be in connected state with described first flushing branch road. The water rinsed enters described electricity flocculation device from described feed-water end, and the moisture flowed out from described electricity flocculation device is two portions, and a part, from described first flushing branch road, is discharged by waste water branch road; Another part enters described first filtration unit, is discharged by described waste water branch road. In sum, the electricity flocculation device being interconnected, the first filtration unit, when rinsing, can efficiently be cleaned simultaneously, finally be discharged from described waste water branch road by the waste water after cleaning by water-purifying machine described in the application.
Accompanying drawing explanation
Fig. 1 is the structure distribution schematic diagram of a kind of water-purifying machine in the application's enforcement mode;
Fig. 2 is the structure distribution schematic diagram of another kind of water-purifying machine in the application's enforcement mode.
Embodiment
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is done explanation in detail, these embodiments should be understood and only it is not used in restriction scope of the present utility model for illustration of the utility model, after having read the utility model, the amendment of the various equivalent form of value of the present utility model is all fallen in the application's claims limited range by those skilled in the art.
Refer to Fig. 1. The water-purifying machine that the application's enforcement mode provides can comprise: electricity flocculation device 2, first filtration unit 4 being successively set between feed-water end I and water side O and being interconnected, wherein, described first filtration unit 4 is provided with waste water branch road 40, described electricity flocculation device 2 is provided with the first flushing branch road 20, and described waste water branch road 40 can be connected with described first flushing branch road 20.
In the present embodiment, described water-purifying machine is provided with feed-water end I and water side O. Described feed-water end I is connected with external source, so that supplying water to described water-purifying machine. Described feed-water end I can be provided with valve, for controlling the break-make of feed-water end I current. From the water that described water side O flows out, general through cascade filtrations such as electricity flocculation device 2, first filtration units 4, it is possible to for meeting predetermined service requirements, such as, to may be used for drinking.
In the present embodiment, described electricity flocculation device 2 carries out single filter for the water flow to by feed-water end I. Owing to described electricity flocculation device 2 in use can constantly produce cotton-shaped stores. The floss produced is stacked into after to a certain degree, can block electricity flocculation device 2 itself, and its first filtration unit 4 below, is therefore provided with the first flushing branch road 20 on described electricity flocculation device 2. When described water-purifying machine is in the non-water stage processed, it is possible to use described electricity flocculation device 2 is rinsed by described first flushing branch road 20.
In the present embodiment, described first filtration unit 4 is connected with described electricity flocculation device 2, for by the water after described electricity flocculation device 2 single filter, again filtering. Water after described first filtration unit 2 filters can be divided into two portions, and a part can flow out from described first filtration unit 2, finally to water side O; Another part can be discharged as the waste water branch road 40 that waste water is arranged by described first filtration unit 4.
In one embodiment, described first filtration unit 4 is ultrafiltration, and its filtered version is cross flow filter. Concrete, its moisture that described electricity flocculation device 2 can be flow to described first filtration unit 4 is two portions, and major part is flowed out by the outlet of the first filtration unit 4; Small portion, as waste water, is discharged from waste water branch road 40. The mode of described cross flow filter, for the mode such as " extremely hold " filtration not having waste water, utilizes cross-flow waste water for flushing film surface, it is to increase the durability against pollution of rate ultra-filtration element, extends filter core work-ing life,
Water-purifying machine described in the application's enforcement mode comprises at least two working ordeies, i.e. water state processed and the state of flushing. In the above-mentioned enforcement mode of the application, described water-purifying machine is when being in flushing state, and described waste water branch road 40 can be in connected state with described first flushing branch road 20. Water enters described electricity flocculation device 2 from described feed-water end I, and the moisture flowed out from described electricity flocculation device 2 is two portions, and a part, from described first flushing branch road 20, is discharged by waste water branch road 40; Another part enters described first filtration unit 4, is discharged by described waste water branch road 40. In sum, electricity flocculation device 2, first filtration unit 4 being interconnected, when rinsing, can efficiently be cleaned simultaneously, finally discharged from described waste water branch road 40 by the waste water after cleaning by water-purifying machine described in the application.
In one embodiment, described electricity flocculation device 2 have back to water-in 22 and the body 24 of water outlet 23, along the bearing of trend X of described body 24, positive plate 25 and the negative plate 26 being provided with upper and lower staggered arrangement on described body 24 inwall, it can make current from described water-in 22 along described positive plate 25, negative plate 26 reciprocating and turning-back to described water outlet 23. The number of described positive plate 25, negative plate 26 is multiple, and described positive plate 25 is electrically connected by electrode line; Described negative plate 26 is electrically connected by negative line. Above-mentioned electricity flocculation device is by arranging positive plate 25, the negative plate 26 of multiple upper and lower staggered arrangement, following effect can be reached: heavy metal removing rate more than 90%, COD clearance more than 50%, chlorine residue clearance more than 99%, removal of bacteria rate more than 99.99%, mineral substance retention rate 100%.
In one embodiment, adjacent described positive plate 25, spacing between negative plate 26 are 0.5 centimetre to 2 centimetres.
In the present embodiment, when spacing between described positive plate 25, negative plate 26 is between 0.5 centimetre to 2 centimetres, can ensure that electricity flocculation device 2 reaches preferably scrubbing effect, when spacing is less than 0.5 centimetre, the wadding body that electricity flocculation device 2 pole plate is easily produced and pole plate fouling and clogging; When spacing is greater than 2 centimetres, the effect of electricity flocculation device 2 sharply reduces.
In one embodiment, described electricity flocculation device 2 is provided with storage bucket 21. Described storage bucket 21, for the mud stored in electricity flocculation 2, prevents mud by current band to the first filtration unit 4, causes the first filtration unit 4 to block, and the existence of storage bucket 21 more easily realizes the flushing of mud. Concrete, described storage bucket 21 can overall be funnel type or be other shapes, and the application does not do concrete restriction at this.
In a concrete enforcement mode, described storage bucket 21 can between last pole plate and described water outlet 23, and on inwall on the downside of described body 24.
In embodiments, flocculating from electricity when water after water-in 22 positive plate 25 that enters multiple upper and lower staggered arrangement of device 2 and negative plate 26, flow velocity slows down, and mud is easily separated from water, precipitates under gravity. When described storage bucket 21 is between last pole plate described and described water outlet 23, and time on inwall on the downside of described body 24, be conducive to collecting in described water the mud isolated.
In one embodiment, the opening 27 that first pole plate and described body 24 inwall are formed and described water-in 22 lay respectively at the upper and lower both sides of described body 24.
In embodiments, when the opening 27 that described first pole plate and body 24 inwall are formed lays respectively at the upper and lower both sides of described body 24 with described water-in 22, the water entered from water-in 22 is first flowed along described first pole plate, after flowing through described opening 27, enter first pole plate and the runner of the 2nd pole plate formation again, such that it is able to make full use of described first pole plate to the barrier effect of water, it is to increase the utilization ratio of electricity flocculation device 2.
In one embodiment, described first filtration unit 4 is provided with the 2nd flushing branch road 60, and described 2nd flushing branch road 60 can be connected with described waste water branch road 40 with described first flushing branch road 20 respectively.
In the present embodiment, described first filtration unit 4 can be provided with the 2nd flushing branch road 60, and one end of described flushing branch road 60 can be connected with described first filtration unit 4, and the other end can be connected with described first flushing branch road 20. When described water-purifying machine is when being in flushing state, described waste water branch road 40 can be in connected state with described first flushing branch road 20, the 2nd flushing branch road 60. Water enters described electricity flocculation device 2 from described feed-water end I, and the moisture flowed out from described electricity flocculation device 2 is two portions, and a part, from described first flushing branch road 20, is discharged by waste water branch road 40; Another part enters described first filtration unit 4, through described 2nd flushing branch road 60, is discharged by described waste water branch road 40. In sum, electricity flocculation device 2, first filtration unit 4 being interconnected, when rinsing, can efficiently be cleaned simultaneously, finally discharged from described waste water branch road 40 by the waste water after cleaning by water-purifying machine described in the application.
In one embodiment, described first flushing branch road 20 is connected with the magnetic valve 7 that can control its break-make respectively with described 2nd flushing branch road 60.
In the present embodiment, described water-purifying machine at least comprises two working ordeies: water state processed and the state of flushing. When being in water state processed, described magnetic valve 7 is in closing condition, and described 2nd flushing branch road 60 is not connected with described first flushing branch road 20. Now, described first flushing branch road 20, described 2nd flushing branch road 60 does not have liquid communication, and a small amount of waste water flows away from waste water branch road 40. When being in flushing state, described magnetic valve 7 is in the state of opening, and described waste water branch road 40 is connected with described first flushing branch road 20, the 2nd flushing branch road 60. Now, the water entering described electricity flocculation device 2 from feed-water end I can be divided into two-way, and a-road-through is crossed described first flushing branch road 20 and entered described waste water branch road 40 and discharge; Another road, by described first filtration unit 4, by described 2nd flushing branch road 60, is discharged through described waste water branch road 40.
Certainly, it is possible to control described waste water branch road 40 and be not limited to above-mentioned control valve with described first flushing branch road 20, the 2nd control device rinsing branch road 60 break-make. One of ordinary skill in the art the application technical spirit enlighten under, it is also possible to make other change, but as long as its realize function and effect and the application same or similar, all should be covered by the application's protection domain.
In one embodiment, described waste water branch road 40 being provided with first flow control device 5, its one end is connected with described first filtration unit 4, and the other end is connected with waste water end W.
In the present embodiment, described first flow control device 5 is for discharging with predetermined amount of flow the waste water that described first filtration unit 4 produces. Concrete, described first flow control device 5 can be waste water ratio. Described first flow control device 5 can be in normal open state.
In addition, described first flow control device 5 can also be flow adjustable device, and when described water-purifying machine is in water state processed, it can carry out waste discharge with predetermined less flow. When described water-purifying machine is in flushing state, it can regulate, and is discharged by the water after flushing with bigger flow.
In one embodiment, described first flushing branch road 20, the 2nd rinses and is provided with second amount control device on branch road 60 at least one branch road.
In the present embodiment, for controlling, described first flushing branch road 20, the 2nd rinses the flow on branch road 60 to described second amount control device. Concrete, the specific form of described second amount control device can be check valve or has the valve of control uninterrupted, and the application does not do concrete restriction at this.
Such as, when described first flushing branch road 20 is provided with the first ball-and-seat 3, concrete, described first ball-and-seat 3 is arranged on described first flushing branch road 20, its one end is connected with described storage bucket 21, the other end is connected with described magnetic valve 7, and it is along described storage bucket 21 to described magnetic valve 7 one-way conduction. Due to the described first reverse not conducting of check valve 3, the waste water that described first filtration unit 4 place flows out does not flow into described electricity flocculation device 2 by described first check valve 3, thus avoids described electricity flocculation device 2 by contaminated wastewater.
Such as, when described 2nd flushing branch road 60 is provided with the 2nd check valve 6, concrete, described 2nd check valve 6 is arranged on described 2nd flushing branch road 60, its one end is connected with described first filtration unit 4, the other end can be connected with described magnetic valve 7, and it is along described first filtration unit 4 to described magnetic valve 7 one-way conduction. Due to the described 2nd reverse not conducting of check valve 6, the waste water that during water processed, described electricity flocculation device 2 flows out, not by flowing away from waste water branch road 40 after described first check valve 6, affects the cross flow effects of the first filtration unit 4.
Certainly, the concrete setting of described second amount control device on branch road is not limited to foregoing description. One of ordinary skill in the art the application technical spirit enlighten under, it is also possible to make other change, but as long as its realize function and effect and the application same or similar, all should be covered by the application's protection domain.
In a concrete enforcement mode, described second amount control device comprises; First check valve 3, the 2nd check valve 6, described first ball-and-seat 3 is arranged on described first flushing branch road 20, its one end is connected with described storage bucket 21, and the other end is connected with described magnetic valve 7, and it is along described storage bucket 21 to described magnetic valve 7 one-way conduction; Described 2nd check valve 6 is arranged on described 2nd flushing branch road 60, and its one end is connected with described first filtration unit 4, and the other end is connected with described magnetic valve 7, and it is along described first filtration unit 4 to described magnetic valve 7 one-way conduction.
In the present embodiment, when described water-purifying machine is in flushing state, water is divided into two portions from feed-water end I by electricity flocculation device 2. A part flows through storage bucket 21, first check valve 3, magnetic valve 7 is discharged from waste water branch road 40; Another part flows through the first filtration unit 4, the 2nd check valve 6, magnetic valve 7 are discharged from waste water branch road 40, a small amount of flushing flow is discharged from waste water branch road 40 through the first filtration unit 4, first flow control device 5, namely once flushing can achieve and rinse electricity flocculation device 2, first filtration unit 4 simultaneously, and water purifier structure described on the whole is compact, flushing is efficient.
In one embodiment, function carbon-point 8, UV sterilizing unit 9 also it is provided with between described first filtration unit 4 and described water side O.
In the present embodiment, described function carbon-point 8, for the amounts of residual contamination in further planar water, improves mouthfeel, and it has filtering accuracy height, the pressure-losses is little, flow is big, be located at longer service life, high adsorption capacity after electricity flocculates device 2; Physical strength height; The advantages such as density is even, dechlorination effect is good. Described UV sterilizing unit 9, i.e. ultraviolet sterilization apparatus, it utilizes ultra-violet sterilization principle, and the water after described function carbon-point 8 adsorbing contaminant is carried out sterilization and disinfection further. On the whole, by described first filtration unit 4, by arranging, the water that described first filtration unit 4 flows out is filtered and germicidal treatment by function carbon-point 8, UV sterilizing unit 9 further with described water side O.
Referring to Fig. 2, the application also proposed another kind of water-purifying machine, and it comprises electricity flocculation device 2, the 2nd filtration unit 42, first filtration unit 4, function carbon-point 8, the UV sterilizing unit 9 being successively set between feed-water end I and water side O and be interconnected.
It is in the key distinction of present embodiment and above-mentioned enforcement mode: between described electricity flocculation device 2 and described first filtration unit 4, set up described 2nd filtration unit 42.
Described 2nd filtration unit 42 is for filtering the water that described electricity flocculation device 2 flows out. Concrete, described 2nd filtration unit 42 can be the form of micro-filter, and its aperture filtered is greater than the pore size filter of described first filtration unit for ultrafiltration. When micro-filter of described 2nd filtration unit 42 matches with the ultrafiltration of described first filtration unit 4, so that the water that described electricity flocculation device 2 flows out is carried out cascade filtration, thus reach better filter effect. Concrete, such as so that the water entered from described feed-water end I is utilized completely, thus can there is no unnecessary waste water output.
Each enforcement mode above-mentioned in this specification sheets all adopts the mode gone forward one by one to describe, identical similar portion reference mutually between each enforcement mode, and what each implemented the explanation of mode emphasis is and other enforcement mode differences.
The foregoing is only several embodiments of the present utility model, although the enforcement mode disclosed by the utility model is as above, but the enforcement mode that described content just adopts for the ease of understanding the utility model, it is not intended to limit the utility model. Any the utility model person of ordinary skill in the field; under the prerequisite not departing from the spirit and scope disclosed by the utility model; any amendment and change can be done on the formal of the mode of enforcement and details; but scope of patent protection of the present utility model, still must be as the criterion with the scope that appended claims defines.

Claims (15)

1. a water-purifying machine, it is characterized in that, comprising: the electricity flocculation device, the first filtration unit that are successively set between feed-water end and water side and are interconnected, wherein, described first filtration unit is provided with waste water branch road, described electricity flocculation device is provided with the first flushing branch road, and described waste water branch road can be connected with described first flushing branch road.
2. water-purifying machine as claimed in claim 1, it is characterised in that: described first filtration unit is provided with the 2nd flushing branch road, and described 2nd flushing branch road can be connected with described waste water branch road with described first flushing branch road respectively.
3. water-purifying machine as claimed in claim 2, it is characterised in that: described first flushing branch road is connected with the magnetic valve that can control its break-make respectively with described 2nd flushing branch road.
4. water-purifying machine as claimed in claim 3, it is characterised in that: being provided with first flow control device on described waste water branch road, its one end is connected with described first filtration unit, and the other end is connected with waste water end.
5. water-purifying machine as claimed in claim 4, it is characterised in that: described first flushing branch road, the 2nd flushing branch road are provided with second amount control device at least one branch road.
6. water-purifying machine as claimed in claim 5, it is characterised in that, described second amount control device comprises: the first check valve, the 2nd check valve,
Described first ball-and-seat is arranged on described first flushing branch road, and its one end is connected with described electricity flocculation device, and the other end is connected with described magnetic valve, and it is along described electricity flocculation device to described magnetic valve one-way conduction;
Described 2nd check valve is arranged on described 2nd flushing branch road, and its one end is connected with described first filtration unit, and the other end is connected with described magnetic valve, and it is along described first filtration unit to described magnetic valve one-way conduction.
7. water-purifying machine as claimed in claim 1, it is characterized in that: described electricity flocculation device have back to water-in and the body of water outlet, along the bearing of trend of described body, positive plate and the negative plate being provided with upper and lower staggered arrangement in described inner body wall, it can make current from described water-in along described positive plate, negative plate reciprocating and turning-back to described water outlet.
8. water-purifying machine as claimed in claim 7, it is characterised in that: the number of described positive plate, negative plate is multiple, and described positive plate is electrically connected by electrode line; Described negative plate is electrically connected by negative line.
9. water-purifying machine as claimed in claim 8, it is characterised in that: the spacing between adjacent described positive plate, negative plate is 0.5 centimetre to 2 centimetres.
10. water-purifying machine as claimed in claim 7, it is characterised in that: described electricity flocculation device is provided with storage bucket.
11. water-purifying machines as claimed in claim 10, it is characterised in that: described storage bucket between last pole plate and described water outlet, and on inwall on the downside of described body.
12. water-purifying machines as claimed in claim 8, it is characterised in that: the opening that first pole plate and described inner body wall are formed and described water-in lay respectively at the upper and lower both sides of described body.
13. water-purifying machines as claimed in claim 1, it is characterised in that: also it is provided with function carbon-point, UV sterilizing unit between described first filtration unit and described water side.
14. as arbitrary in claim 1 to 13 as described in water-purifying machine, it is characterised in that: described first filtration unit is ultrafiltration, and its filtered version is cross flow filter.
15. 1 kinds of water-purifying machines, it is characterised in that, it comprises electricity flocculation device, the 2nd filtration unit, the first filtration unit, function carbon-point, the UV sterilizing unit being successively set between feed-water end and water side and be interconnected.
CN201620012151.3U 2016-01-06 2016-01-06 Purifier Active CN205275380U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106186470A (en) * 2016-07-29 2016-12-07 四川圣典节能服务有限公司 A kind of drinking water conversion method of energy-conserving road lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106186470A (en) * 2016-07-29 2016-12-07 四川圣典节能服务有限公司 A kind of drinking water conversion method of energy-conserving road lamp

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