CN204588845U - A kind of have forced-ventilated defencive function without waste water water-purifying machine - Google Patents
A kind of have forced-ventilated defencive function without waste water water-purifying machine Download PDFInfo
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- CN204588845U CN204588845U CN201520105723.8U CN201520105723U CN204588845U CN 204588845 U CN204588845 U CN 204588845U CN 201520105723 U CN201520105723 U CN 201520105723U CN 204588845 U CN204588845 U CN 204588845U
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Abstract
The utility model relates to water-purifying machine technical field, be specifically related to a kind of have forced-ventilated defencive function without waste water water-purifying machine, comprise connected successively by pipeline fore filter, entering water electromagnetic valve, topping-up pump, filter core mechanism and RO film, fore filter is connected with raw water tubes line, the dense water out of RO film is connected with dense water rising pipe, dense water rising pipe is provided with recycle pump, the exit end of dense water rising pipe is connected to dense water return water pipe and domestic water pipeline, the dense water side of water return water pipe is connected with the water side of topping-up pump, and dense water return water pipe is provided with check valve; Forced-ventilated protection pipeline is provided with normally closed solenoid valve, and normally open solenoid valve, normally closed solenoid valve, topping-up pump and recycle pump are electrically connected with electric control gear respectively.This water purification function realizes the dense water when Pure-water Making and need not discharge, and reach the function of non-wastewater discharge, when using domestic water, dense water is by reasonable employment.
Description
Technical field
The utility model relates to water-purifying machine technical field, be specifically related to a kind of have forced-ventilated defencive function without waste water water-purifying machine.
Background technology
RO reverse osmosis membrane is directly drunk machine and is again RO reverse osmosis membrane water-purifying machine, the English full name of RO is: Reverse Osmosis and reverse osmosis, RO reverse osmosis membrane water-purifying machine utilizes reverse osmosis principle to carry out water treatment, reverse osmosis membrane filter cylinder is provided with in water-purifying machine, filter cylinder is built with reverse osmosis membrane filter core, under pressure, water molecules can pass through RO film, and the impurity such as inorganic salt, heavy metal ion, organism, colloid, bacterium, virus in water cannot through RO film, thus make a part of water through RO membrane sepn out, not through water because of solute increase formed dense water.Reverse osmosis membrane water-purifying machine is in early days for seawater and brackish water desalination, and the industrial circle such as oiler feed, wastewater treatment, is introduced in civil area in recent years.
Although reverse osmosis treatment technology has many good qualities, it is while production water purification, and create a part of dense water, the water purification/waste water ratio of usual RO film is 1:3, and that is, after primary purification is filtered, the dense water of generation is about 3 times of water purification.
Reverse osmosis membrane water-purifying machine is in the past all concentrated water discharge type, dense water after filtering by primary purification is used as direct discharging of waste water and is fallen, this a kind of really very large waste, particularly small-sized family expenses, commercial water-purifying machine, its former water is tap water, the water quality of filtering the dense water produced through primary purification is not poor than former water, also has the value utilized, can also be purified by secondary, three degree of depth further, if dense water is used as direct discharging of waste water, not only can increase water purification cost, and also be a kind of waste concerning water resources.
Summary of the invention
The purpose of this utility model is for above-mentioned deficiency of the prior art; there is provided a kind of have forced-ventilated defencive function without waste water water-purifying machine; this water purification function realizes the dense water when Pure-water Making and need not discharge; reach the function of non-wastewater discharge; effectively can also extend the work-ing life of RO film; and reduce the TDS value of pure water, pure water quality is high, the flow of domestic water also effectively can be improved.
The purpose of this utility model is achieved through the following technical solutions.
A kind of have forced-ventilated defencive function without waste water water-purifying machine; comprise connected successively by pipeline fore filter, entering water electromagnetic valve, topping-up pump, filter core mechanism and RO film; described water-purifying machine also includes recycle pump, check valve, normally open solenoid valve, normally closed solenoid valve, high-voltage switch gear, water butt and post-filter
Described fore filter is connected with raw water tubes line, the pure water inlet of described RO film is connected with water purification rising pipe, the exit end of water purification rising pipe is connected to DI and water purification return water pipe, water purification return water pipe is disposed with described normally open solenoid valve and described check valve along water (flow) direction, the exit end of water purification return water pipe is connected to the water side of described entering water electromagnetic valve, DI is disposed with described normally closed solenoid valve along water (flow) direction, described check valve and described post-filter, the water side of post-filter is connected with pure water tap, the DI of the feed-water end of described post-filter is connected with described water butt by water storage pipeline, described high-voltage switch gear is arranged at described water storage pipeline,
The dense water out of described RO film is connected with dense water rising pipe, dense water rising pipe is provided with described recycle pump, the exit end of dense water rising pipe is connected to dense water return water pipe, domestic water pipeline and forced-ventilated protection pipeline, the water side of dense water return water pipe is connected with the water side of described topping-up pump, dense water return water pipe is provided with described check valve, the water side of domestic water pipeline is connected with domestic water tap, forced-ventilated protection pipeline is provided with described normally closed solenoid valve, and the normally closed solenoid valve water outlet of forced-ventilated protection pipeline is connected with sewer line;
Described water-purifying machine also includes electric control gear, and described entering water electromagnetic valve, described high-voltage switch gear, described normally closed solenoid valve, described normally open solenoid valve, described topping-up pump and described recycle pump are electrically connected with described electric control gear respectively.
The recirculated water of described water-purifying machine is 2.0L/min by the flux of RO film surface unit time.
Described water-purifying machine also includes the scavenging solution for cleaning RO film, and scavenging solution is citric acid or the light-coloured vinegar of food grade.
Described filter core mechanism comprises the one-level filter core, secondary filter core and the three grades of filter cores that are sequentially connected in series.
Described one-level filter core is the paper folding filter core in 20 μm, aperture, and described secondary filter core is active carbon filter core, and described three grades of filter cores are the cotton filter core of PP, and described post-filter is post active carbon filter core.
Described filter core mechanism comprises the secondary composite filter element and three grades of composite filter elements that are connected in parallel, and the water side of described secondary composite filter element, described three grades of composite filter elements is connected with the feed-water end of described RO film respectively, and described fore filter is the paper folding filter core in 20 μm, aperture.
Described one-level filter core is the paper folding filter core in 20 μm, aperture, and described secondary composite filter element, described three grades of composite filter elements are the composite filter element of gac and PP cotton, and the skin of this composite filter element is the PP cotton of aperture 1-5 μm, is filled with sintering activity charcoal in PP cotton.
the beneficial effects of the utility model:
(1) the utility model realization dense water when Pure-water Making need not be discharged, and when using domestic water, dense water is by reasonable employment.
Dense water is not waste water, it is through the water that the cotton and activated carbon filtration of PP is crossed, and is better than tap water, and dense water becomes recirculated water and repeatedly purified, when using domestic water tap water recirculated water is progressively diluted after by reasonable employment, thus reach the function of non-wastewater discharge.Traditional theory is said, along with the quantity of Pure-water Making progressively increases, the concentration of recirculated water also increases thereupon, and high density recirculated water can affect the work-ing life of RO film, also can affect pure water water quality (rising of pure water TDS value) simultaneously.Not only this water-purifying machine does not make RO film be affected work-ing life effectively to extend on the contrary RO film work-ing life, and do not affect pure water and produce quality.Reason is as follows:
A, by changing the position of topping-up pump, directly to whole recycle system supercharging; Remove the flow-limiting valve on dense water pipeline thus possessed the condition of the open flowing of dense water, increasing recycle pump makes recirculated water with the flow Rapid Circulation of per minute 2 liters, RO film surface is rinsed with large flux circulates water while water processed, make the calcium in water, magnesium ion and colloid adhere to the probability on RO film surface greatly to reduce, thus reach the function that water processed rinses.
B, because add large flux circulates system, water-purifying machine himself has possessed the function of medicine cleaning RO film, and the calcium when conventional types uses in water, magnesium ion and colloid are once block RO film, and water production rate wretched insufficiency, can only change RO film.And this water-purifying machine can carry out medicine cleaning to RO film, extend the work-ing life of RO film with this.Its water production rate of RO film after medicine cleaning reaches the level of new RO film completely, and its work-ing life extends more than 3 times compared with conventional types.
C, because there has been the existence of the large discharge recycle system, water-purifying machine when water processed recirculated water under recycle pump effect, current are 3 times of conventional types by the flow on RO film surface and flow velocity, (for 100 gallons of RO films: conventional types concentrated water drainage is high-volume 600--700 ml/min, namely dense water is by the flux of RO film surface unit time, the dense water of this water-purifying machine is 2000 ml/min by the flux of RO film surface unit time) due to flux increase, so the TDS value of making pure water is low relative to conventional types.
(2) the utility model can improve the work-ing life of preprocessing filter element before RO film effectively.Reason is as follows:
A, owing to adopting after by-pass line, reduce one times by water-purifying machine water pipe flow, so life to preprocessing filter element before RO film one times.
B, change structure and the arrangement mode of the cotton and gac of preprocessing filter element PP before RO film, former first step filter core is the cotton filter cores of 5 micron pore size PP, third stage filter core is the cotton filter core of 1 micron pore size PP, because secondary filter core aperture is more or less the same, when actual filtration impurities in water, the life-span of first step filter core and third stage filter core differs greatly, the utility model first step filter core adopts 20 microns, aperture paper folding filter core and is series relationship, its role is to filter larger particles material in former water, a whole set of filtering system is made to play fine filtering effect after first coarse filtration, and paper folding filter core comparatively cotton its surface-area of filter core of PP increases several times so extend work-ing life.Described secondary filter core, three grades of filter cores are composite filter element, the structure of described composite filter element is the cotton filtrate of the outer PP for 1-5 microns, aperture, it act as and to filter in former water comparatively finely ground particle substance, internal layer is sintering activity charcoal, its Main Function is the chlorine residue in the former water of absorption, and sintering activity charcoal compares its adsorptive power of granulated carbon can reach more than 2 times more by force.Secondary composite filter element, three grades of composite filter elements are adopted to be connected in parallel and more can effectively play its effect.Can pretreated effect and work-ing life before maximum raising RO film by changing mode of connection and changing filter cartridge construction.
(3) of the present utility modelly forced-ventilated defencive function is added without waste water Hyperfilevation water purifying machine, when domestic water usage quantity is on the low side, that is: when continuously the Pure-water Making water yield 6 liters and domestic consumption do not reach 6 liters, (the dense water in water machine can be replaced into former water completely when using the domestic water water yield to reach 6 liters) is opened forced-ventilated protection magnetic valve by electric control gear and is carried out forced discharge, automatically close forced-ventilated protection magnetic valve after discharging 6 liters and again add up the water time processed i.e. water yield processed, the injury of non-normal use water-purifying machine to RO film is solved with this, RO film is played a protective role.Described continuous Pure-water Making 6 liters, as forced-ventilated protection node, is just considered the relation of actual pure water water consumption and pure water TDS value and pure water water quality and sets.
Accompanying drawing explanation
Accompanying drawing is utilized to be described further utility model, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is the functional block diagram of embodiment 1 of the present utility model;
Fig. 2 is the functional block diagram of embodiment 2 of the present utility model;
Fig. 3 is the water yield graphic representation processed of initial 2 minutes water processed of 100 gallons of types of the present utility model;
Fig. 4 is the graphic representation of the mixing water TDS value of Fig. 3;
Fig. 5 is the water yield graphic representation processed after initial 2 minutes water processed of 100 gallons of types of the present utility model;
Fig. 6 is the graphic representation of the mixing water TDS value of Fig. 5.
Reference numeral comprises:
10---raw water tubes line 20---fore filter 30---entering water electromagnetic valves
40---topping-up pump 51---one-level filter core 52---secondary filter cores
53---three grades of filter cores 54---secondary composite filter element 55---three grades of composite filter elements
60---RO film 71---water purification rising pipe
711---water purification return water pipe 712---DI 72---dense water rising pipes
721---dense water return water pipe 722---domestic water pipeline 723---forced-ventilated protection pipelines
80---electric control gear 90---normally open solenoid valve 100---check valves
110---normally closed solenoid valve 120---post-filter 130---water butts
140---recycle pump
180---domestic water tap 190---pure water tap 200---water storage pipelines
210---high-voltage switch gear.
Embodiment
With the following Examples the utility model is further described, sees Fig. 1-6.
embodiment 1
As shown in Figure 1; the present embodiment a kind of have forced-ventilated defencive function without waste water water-purifying machine; comprise connected successively by pipeline fore filter 20, entering water electromagnetic valve 30, topping-up pump 40, filter core mechanism and RO film 60; described water-purifying machine also includes recycle pump 140, check valve 100, normally open solenoid valve 90, normally closed solenoid valve 110, high-voltage switch gear 210, water butt 130 and post-filter 120
Described fore filter 20 is connected with raw water tubes line 10, the pure water inlet of described RO film 60 is connected with water purification rising pipe 71, the exit end of water purification rising pipe 71 is connected to DI 712 and water purification return water pipe 711, water purification return water pipe 711 is disposed with described normally open solenoid valve 90 and described check valve 100 along water (flow) direction, the exit end of water purification return water pipe 711 is connected to the water side of described entering water electromagnetic valve 30, DI 712 is disposed with described normally closed solenoid valve 110 along water (flow) direction, described check valve 100 and described post-filter 120, the water side of post-filter 120 is connected with pure water tap 190, the DI 712 of the feed-water end of described post-filter 120 is connected with described water butt 130 by water storage pipeline 200, described high-voltage switch gear 210 is arranged at described water storage pipeline 200,
The dense water out of described RO film 60 is connected with dense water rising pipe 72, dense water rising pipe 72 is provided with described recycle pump 140, the exit end of dense water rising pipe 72 is connected to dense water return water pipe 721, domestic water pipeline 722 and forced-ventilated protection pipeline 723, the water side of dense water return water pipe 721 is connected with the water side of described topping-up pump 40, dense water return water pipe 721 is provided with described check valve 100, the water side of domestic water pipeline 722 is connected with domestic water tap 180, forced-ventilated protection pipeline 723 is provided with described normally closed solenoid valve 110, normally closed solenoid valve 110 water outlet of forced-ventilated protection pipeline 723 is connected with sewer line,
Described water-purifying machine also includes electric control gear 80, and described entering water electromagnetic valve 30, described high-voltage switch gear 210, described normally closed solenoid valve 110, described normally open solenoid valve 90, described topping-up pump 40 and described recycle pump 140 are electrically connected with described electric control gear 80 respectively.
First, the utility model realizes the dense water when Pure-water Making and need not discharge, and when using domestic water, dense water is by reasonable employment.
Dense water is not waste water, it is through the water that the cotton and activated carbon filtration of PP is crossed, and is better than tap water, and dense water becomes recirculated water and repeatedly purified, when using domestic water tap water recirculated water is progressively diluted after by reasonable employment, thus reach the function of non-wastewater discharge.Traditional theory is said, along with the quantity of Pure-water Making progressively increases, the concentration of recirculated water also increases thereupon, and high density recirculated water can affect the work-ing life of RO film 60, also can affect pure water water quality (rising of pure water TDS value) simultaneously.Not only this water-purifying machine does not make RO film 60 be affected work-ing life effectively to extend on the contrary RO film 60 work-ing life, and do not affect pure water and produce quality.
A, by changing the position of topping-up pump 40, directly to whole recycle system supercharging; Remove the flow-limiting valve on dense water pipeline thus possessed the condition of the open flowing of dense water, increasing recycle pump 140 makes recirculated water with the flow Rapid Circulation of per minute 2 liters, RO film 60 surface is rinsed with large flux circulates water while water processed, make the calcium in water, magnesium ion and colloid adhere to the probability on RO film 60 surface greatly to reduce, thus reach the function that water processed rinses.
B, because add large flux circulates system, water-purifying machine himself has possessed the function of medicine cleaning RO film 60, and the calcium when conventional types uses in water, magnesium ion and colloid are once block RO film 60, and water production rate wretched insufficiency, can only change RO film 60.And this water-purifying machine can carry out medicine cleaning to RO film 60, extend the work-ing life of RO film 60 with this.Its water production rate of RO film 60 after medicine cleaning reaches the level of new RO film 60 completely, and its work-ing life extends more than 3 times compared with conventional types.
C, because there has been the existence of the large discharge recycle system, water-purifying machine when water processed recirculated water recycle pump 140 act under, current are 3 times of conventional types by the flow on RO film 60 surface and flow velocity, (for 100 gallons of RO films 60: conventional types concentrated water drainage is high-volume 600--700 ml/min, namely dense water is by the flux of RO film 60 surface unit time, the dense water of this water-purifying machine is 2000 ml/min by the flux of RO film 60 surface unit time) due to flux increase, so the TDS value of making pure water is low relative to conventional types.
The recirculated water of described water-purifying machine is 2.0L/min by the flux of RO film surface unit time, and namely the internal circulating load of recycle pump is 2.0L/min, utilizes the large flux of recycle pump to make water-purifying machine of the present utility model carry the function of cleaning RO film 60.
Described water-purifying machine also includes the scavenging solution for cleaning RO film 60, and scavenging solution is citric acid or the light-coloured vinegar of food grade, is convenient to draw materials, and cleaning cost is low.Be implemented as follows: when water machine produces discharge decline or cleans as maintenance medicine, first cut the supply of water and electricity and open domestic water tap 180 and remove pressure in water machine, pre-treatment filter flask before any film is taken off, outwell the recirculated water with scavenging solution same ratio, again filter flask is reinstalled after filling liquid, recycle pump 140 is only allowed to work after power transmission, now close topping-up pump 40 due to former water to quit work, cleaning medicine company in filter flask to circulate drug irrigation RO film 60 under recycle pump 140 acts on, block up film degree according to RO film 60 and determine medicine scavenging period, scavenging period reaches rear shutdown, open former water polo valve tap water afterwards the scavenging solution in all filter flasks is thoroughly cemented out from domestic water tap 180, thus complete the work of medicine cleaning RO film 60.
The filter core mechanism of the present embodiment comprises the one-level filter core 51, secondary filter core 52 and the three grades of filter cores 53 that are sequentially connected in series.
The one-level filter core 51 of the present embodiment is the paper folding filter core in 20 μm, aperture, and described secondary filter core 52 is active carbon filter core, and described three grades of filter cores 53 are the cotton filter core of PP, and described post-filter 120 is post active carbon filter core.
In addition, of the present utility modelly add forced-ventilated defencive function without waste water Hyperfilevation water purifying machine, when domestic water usage quantity is on the low side, that is: when continuously the Pure-water Making water yield 6 liters and domestic consumption do not reach 6 liters, (the dense water in water machine can be replaced into former water completely when using the domestic water water yield to reach 6 liters) is opened forced-ventilated protection magnetic valve by electric control gear 80 and is carried out forced discharge, automatically close forced-ventilated protection magnetic valve after discharging 6 liters and again add up the water time processed i.e. water yield processed, non-normal use water machine is solved to the injury of RO film 60 with this, RO film 60 is played a protective role.
The each electrifying startup of water-purifying machine of the present utility model, normally closed solenoid valve 110 closes, normally open solenoid valve 90 is opened, pure water filters before entering topping-up pump 40 again, water processed after 2 minutes normally open solenoid valve 90 close, normally closed solenoid valve 110 is opened and is entered normally water state processed, and the operation of water purification backwater effectively can solve the high problem of RO film 60 initial 2 minutes water TDS processed.
As seen in figures 3-6, the change curve of the initial 2 minutes water yields processed of water-purifying machine of the present utility model and the TDS value of obtained water, and the change curve of the TDS value of the processed water yield of water processed after 2 minutes and obtained water, can obtain following data sheet:
Note: under 100 gallons of (G) RO film mark conditions, the condition of pure water output is: water temperature 25 DEG C, former water TDS is 500ppm, and pure water flow is 266ml/min.
embodiment 2
As shown in Figure 2, the filter core mechanism of the present embodiment comprises the secondary composite filter element 54 and three grades of composite filter elements 55 that are connected in parallel, the water side of described secondary composite filter element 54, described three grades of composite filter elements 55 is connected with the feed-water end of described RO film 60 respectively, and described fore filter 20 is the paper folding filter core in 20 μm, aperture.
The one-level filter core 51 of the present embodiment is the paper folding filter core in 20 μm, aperture, described secondary composite filter element 54, described three grades of composite filter elements 55 are the composite filter element of gac and PP cotton, the skin of this composite filter element is the PP cotton of aperture 1-5 μm, is filled with sintering activity charcoal in PP cotton.
The effect of paper folding filter core is to filter larger particles material in former water, makes a whole set of filtering system play fine filtering effect after first coarse filtration, and paper folding filter core comparatively cotton its surface-area of filter core of PP increase several times so extend work-ing life.The acting as of composite filter element to filter in former water comparatively finely ground particle substance, the internal layer chlorine residue that to be its Main Function of sintering activity charcoal be in the former water of absorption, and sintering activity charcoal compares its adsorptive power of granulated carbon can reach more than 2 times more by force.Secondary composite filter element 54, three grades of composite filter elements 55 are adopted to be connected in parallel and more can effectively play its effect, can pretreated effect and work-ing life before maximum raising RO film 60 by changing mode of connection and changing filter cartridge construction.
The rest part of the present embodiment is identical with embodiment 1, repeats no more here.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not the restriction to the utility model protection domain; although done to explain to the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.
Claims (6)
1. one kind have forced-ventilated defencive function without waste water water-purifying machine; it is characterized in that: comprise connected successively by pipeline fore filter, entering water electromagnetic valve, topping-up pump, filter core mechanism and RO film; described water-purifying machine also includes recycle pump, check valve, normally open solenoid valve, normally closed solenoid valve, high-voltage switch gear, water butt and post-filter
Described fore filter is connected with raw water tubes line, the pure water inlet of described RO film is connected with water purification rising pipe, the exit end of water purification rising pipe is connected to DI and water purification return water pipe, water purification return water pipe is disposed with described normally open solenoid valve and described check valve along water (flow) direction, the exit end of water purification return water pipe is connected to the water side of described entering water electromagnetic valve, DI is disposed with described normally closed solenoid valve along water (flow) direction, described check valve and described post-filter, the water side of post-filter is connected with pure water tap, the DI of the feed-water end of described post-filter is connected with described water butt by water storage pipeline, described high-voltage switch gear is arranged at described water storage pipeline,
The dense water out of described RO film is connected with dense water rising pipe, dense water rising pipe is provided with described recycle pump, the exit end of dense water rising pipe is connected to dense water return water pipe, domestic water pipeline and forced-ventilated protection pipeline, the water side of dense water return water pipe is connected with the water side of described topping-up pump, dense water return water pipe is provided with described check valve, the water side of domestic water pipeline is connected with domestic water tap, forced-ventilated protection pipeline is provided with described normally closed solenoid valve, and the normally closed solenoid valve water outlet of forced-ventilated protection pipeline is connected with sewer line;
Described water-purifying machine also includes electric control gear, and described entering water electromagnetic valve, described high-voltage switch gear, described normally closed solenoid valve, described normally open solenoid valve, described topping-up pump and described recycle pump are electrically connected with described electric control gear respectively.
2. according to claim 1 a kind of have forced-ventilated defencive function without waste water water-purifying machine, it is characterized in that: described water-purifying machine also includes the scavenging solution for cleaning RO film, scavenging solution is citric acid or the light-coloured vinegar of food grade.
3. according to claim 1 and 2 a kind of have forced-ventilated defencive function without waste water water-purifying machine, it is characterized in that: described filter core mechanism comprises the one-level filter core, secondary filter core and the three grades of filter cores that are sequentially connected in series.
4. according to claim 3 a kind of have forced-ventilated defencive function without waste water water-purifying machine; it is characterized in that: described one-level filter core is the paper folding filter core in 20 μm, aperture; described secondary filter core is active carbon filter core; described three grades of filter cores are the cotton filter core of PP, and described post-filter is post active carbon filter core.
5. according to claim 1 and 2 a kind of have forced-ventilated defencive function without waste water water-purifying machine; it is characterized in that: described filter core mechanism comprises the secondary composite filter element and three grades of composite filter elements that are connected in parallel; the water side of described secondary composite filter element, described three grades of composite filter elements is connected with the feed-water end of described RO film respectively, and described fore filter is the paper folding filter core in 20 μm, aperture.
6. according to claim 5 a kind of have forced-ventilated defencive function without waste water water-purifying machine; it is characterized in that: described secondary composite filter element, described three grades of composite filter elements are the composite filter element of gac and PP cotton; the skin of this composite filter element is the PP cotton of aperture 1-5 μm, is filled with sintering activity charcoal in PP cotton.
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| CN201520105723.8U CN204588845U (en) | 2015-02-13 | 2015-02-13 | A kind of have forced-ventilated defencive function without waste water water-purifying machine |
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| CN201520105723.8U CN204588845U (en) | 2015-02-13 | 2015-02-13 | A kind of have forced-ventilated defencive function without waste water water-purifying machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776609A (en) * | 2016-03-31 | 2016-07-20 | 天津市众联科技发展有限公司 | Intelligent control water purifying device free of wastewater emission |
| CN106865695A (en) * | 2017-03-21 | 2017-06-20 | 厦门建霖工业有限公司 | A kind of concentrated water fluid pressure type RO water storage systems |
-
2015
- 2015-02-13 CN CN201520105723.8U patent/CN204588845U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776609A (en) * | 2016-03-31 | 2016-07-20 | 天津市众联科技发展有限公司 | Intelligent control water purifying device free of wastewater emission |
| CN106865695A (en) * | 2017-03-21 | 2017-06-20 | 厦门建霖工业有限公司 | A kind of concentrated water fluid pressure type RO water storage systems |
| CN106865695B (en) * | 2017-03-21 | 2024-03-12 | 厦门百霖净水科技有限公司 | Dense water hydraulic RO water storage system |
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