CN203653349U - Domestic RO (Reverse Osmosis) membrane backwashing water purification machine - Google Patents
Domestic RO (Reverse Osmosis) membrane backwashing water purification machine Download PDFInfo
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- CN203653349U CN203653349U CN201320886748.7U CN201320886748U CN203653349U CN 203653349 U CN203653349 U CN 203653349U CN 201320886748 U CN201320886748 U CN 201320886748U CN 203653349 U CN203653349 U CN 203653349U
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Abstract
The utility model discloses a domestic RO (Reverse Osmosis) membrane backwashing water purification machine. The domestic RO membrane backwashing water purification machine is characterized in that a filter unit is arranged in a water purification machine body and comprises filtration filter elements, a pump and an RO membrane module which are connected to one another, wherein the two ends of the filter unit are respectively provided with a water inlet pipe and a water outlet pipe, and a backwashing device is arranged on the filter unit. The domestic RO membrane backwashing water purification machine has the advantages that the backwashing device is arranged in the water purification machine body and can be used for backwashing the filtration filter elements at all levels in front of the RO membrane and the RO membrane, the filter elements and the RO membrane does not need to be frequently replaced, the service life of the filter elements and the RO membrane is greatly prolonged, and the trouble caused by replacing the filter elements and the RO membrane is reduced. In the backwashing device, an electromagnetic valve is used for controlling; the domestic RO membrane backwashing water purification machine is convenient to operate and high in automation control degree.
Description
Technical field
The utility model relates to a kind of water-purifying machine, is specifically related to a kind of family expenses RO film backwash water purifier.
Background technology
Serious due to water pollution, the particularly organic pollution such as heavy metal, agricultural chemicals in water, people more and more pay attention to the security of tap water, and along with scientific and technological progress, various water-purifying machines arise at the historic moment.Although the water-purifying machine of selling is in the market of a great variety, wherein most widely used general, what purifying water effect was best is RO membrane reverse osmosis water-purifying machine, this water-purifying machine is generally Pyatyi and filters, be respectively the cotton filter core of PP, active carbon filter core and RO membrane module, the cotton filter core of PP is mainly in order to filter out the silt in water, iron rust etc., be easy to pollute and stop up, within 3-6 month, just need to change, active carbon filter core is for the some organic pollutants of planar water, because it is irreversible adsorption, easily reach capacity and lost efficacy, within 6-12 month, just need to change, RO film generally uses 2-3 also to need to change, work-ing life is short, use and install very inconvenient.Existing backwashing manner is all after start, RO film to be carried out to front to rinse, and does not reach the object of cleaning.
Utility model content
The purpose of this utility model is in order to improve a kind of family expenses RO film backwash water purifier, and to solve, the filter core and the RO film that in prior art, exist often need to change, work-ing life is short, the poor technical problem of developing result when positive flushing.
In order to achieve the above object, the utility model is by the following technical solutions: a kind of family expenses RO film backwash water purifier, in water-purifying machine body, be provided with filtration unit, described filtration unit comprises interconnective filter core, pump, RO membrane module, the two ends of described filtration unit are respectively equipped with water inlet pipe and rising pipe, and described filtration unit is provided with back-purge system.
As further improvement of the utility model, described filtration unit comprises the cotton filter core of the first step PP connecting successively, second stage active carbon filter core, the cotton filter core of third stage PP, pump and fourth stage RO membrane module, described fourth stage RO membrane module water side is connected with level V active carbon filter core and pressure pot respectively, described fourth stage RO membrane module is provided with waste pipe, the cotton filter core of described first step PP is connected with water inlet pipe, and described level V active carbon filter core is connected with rising pipe.
As further improvement of the utility model, described filtration unit comprises the cotton filter core of the first step PP connecting successively, the cotton filter core of second stage PP, the cotton filter core of third stage PP, pump and fourth stage RO membrane module, described fourth stage RO membrane module is provided with waste pipe, described fourth stage RO membrane module water side is connected with multistage active carbon filter core and pressure pot respectively, the cotton filter core of described first step PP is connected with water inlet pipe, and described multistage active carbon filter core is connected with rising pipe.
As further improvement of the utility model, described pressure pot is connected with the water side of the cotton filter core of third stage PP by back flushing pipeline, described pressure pot feed-water end is provided with high-pressure valve, the cotton filter core of described first step PP, second stage active carbon filter core, the feed-water end of the cotton filter core of third stage PP is washed pipeline by the cotton filter-core back-flushing of first step PP respectively, second stage active carbon filter core back flushing pipeline, the cotton filter-core back-flushing of third stage PP is washed pipeline and is connected with waste pipe, the water side of described fourth stage RO membrane module is connected with back flushing pipeline by RO film back flushing pipeline, described back flushing pipeline is provided with the first magnetic valve, the cotton filter-core back-flushing of described first step PP is washed pipeline, second stage active carbon filter core back flushing pipeline, the cotton filter-core back-flushing of third stage PP is washed and on pipeline, is respectively equipped with the second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve, described RO film back flushing pipeline is provided with the 5th magnetic valve, described waste pipe is provided with Wastewater by Electric magnet valve, described pump water inlet end is provided with the 6th magnetic valve, between described fourth stage RO membrane module and level V active carbon filter core, be provided with the 7th magnetic valve, the water side of the cotton filter core of described third stage PP is connected with low pressure valve.
As further improvement of the utility model, described pressure pot is connected with the water side of the cotton filter core of third stage PP by back flushing pipeline, described pressure pot feed-water end is provided with high-pressure valve, the cotton filter core of described first step PP, the cotton filter core of second stage PP, the feed-water end of the cotton filter core of third stage PP is washed pipeline by the cotton filter-core back-flushing of first step PP respectively, PP cotton filter-core back-flushing in the second stage is washed pipeline, the cotton filter-core back-flushing of third stage PP is washed pipeline and is connected with waste pipe, the water side of described fourth stage RO membrane module is connected with back flushing pipeline by RO film back flushing pipeline, described back flushing pipeline is provided with the first magnetic valve, the cotton filter-core back-flushing of described first step PP is washed pipeline, PP cotton filter-core back-flushing in the second stage is washed pipeline, the cotton filter-core back-flushing of third stage PP is washed and on pipeline, is respectively equipped with the second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve, described RO film back flushing pipeline is provided with the 5th magnetic valve, described waste pipe is provided with Wastewater by Electric magnet valve, described pump water inlet end is provided with the 6th magnetic valve, between described fourth stage RO membrane module and multistage active carbon filter core, be provided with the 7th magnetic valve, the water side of the cotton filter core of described third stage PP is connected with low pressure valve.
As further improvement of the utility model, between described the 7th magnetic valve and level V active carbon filter core, be provided with check valve.
As further improvement of the utility model, between described the 7th magnetic valve and multistage active carbon filter core, be provided with check valve.
As further improvement of the utility model, on described water inlet pipe and rising pipe, be respectively equipped with entering water electromagnetic valve and outlet valve.
As further improvement of the utility model, the cotton filter core of described first step PP is 5 microns of PP cottons.
As further improvement of the utility model, the cotton filter core of described third stage PP and the cotton filter core of second stage PP are 1 micron of PP cotton.
The relative prior art of the utility model has following beneficial effect: the utility model by arranging back-purge system in water-purifying machine body, just can carry out back flushing to filter cores at different levels before RO film and RO film, do not need frequently more renew cartridge and RO film, greatly extend the work-ing life of filter core and RO film, reduced the more trouble of renew cartridge and RO film.In addition, utilize magnetic valve to control in back-purge system, easy to operate, automatic controlling level is high.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model the first embodiment;
Fig. 2 is the structural representation of the utility model the second embodiment.
Reference numeral implication is as follows: 1, the cotton filter core of first step PP; 2, second stage active carbon filter core; 3, the cotton filter core of third stage PP; 4, pump; 5, fourth stage RO membrane module; 6, level V active carbon filter core; 7, pressure pot; 8, entering water electromagnetic valve; 9, the second magnetic valve; 10, the 3rd magnetic valve; 11, the 4th magnetic valve; 12, the first magnetic valve; 13, the 6th magnetic valve; 14, Wastewater by Electric magnet valve; 15, the 5th magnetic valve; 16, the 7th magnetic valve; 17, check valve; 18, high-pressure valve; 19, back flushing pipeline; 20, water inlet pipe; 21, rising pipe; 22, the cotton filter-core back-flushing of first step PP is washed pipeline; 23, second stage active carbon filter core back flushing pipeline; 24, the cotton filter-core back-flushing of third stage PP is washed pipeline; 25, waste pipe; 26, low pressure valve; 27, RO film back flushing pipeline; 28, PP cotton filter-core back-flushing in the second stage is washed pipeline; 29, the cotton filter core of second stage PP; 30, multistage active carbon filter core; 31, outlet valve.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Embodiment 1:
As shown in Figure 1, a kind of family expenses RO film backwash water purifier, in water-purifying machine body, be provided with filtration unit, filtration unit is provided with back-purge system, filtration unit comprises the cotton filter core 1 of the first step PP connecting successively, second stage active carbon filter core 2, the cotton filter core 3 of third stage PP, pump 4 and fourth stage RO membrane module 5, the cotton filter core 1 of first step PP is 5 microns of PP cottons, the cotton filter core 3 of third stage PP is 1 micron of PP cotton, fourth stage RO membrane module 5 water sides are connected with level V active carbon filter core 6 and pressure pot 7 respectively, fourth stage RO membrane module 5 is provided with waste pipe 25, the cotton filter core 1 of first step PP is connected with water inlet pipe 20, level V active carbon filter core 6 is connected with rising pipe 21, on water inlet pipe 20 and rising pipe 21, be respectively equipped with entering water electromagnetic valve 8 and outlet valve 31, pressure pot 7 is connected with the water side of the cotton filter core 3 of third stage PP by back flushing pipeline 19, pressure pot 7 feed-water ends are provided with high-pressure valve 18, the cotton filter core 1 of first step PP, second stage active carbon filter core 2, the feed-water end of the cotton filter core 3 of third stage PP is washed pipeline 22 by the cotton filter-core back-flushing of first step PP respectively, second stage active carbon filter core back flushing pipeline 23, the cotton filter-core back-flushing of third stage PP is washed pipeline 24 and is connected with waste pipe 25, the water side of fourth stage RO membrane module 5 is connected with back flushing pipeline 19 by RO film back flushing pipeline 27, back flushing pipeline 19 is provided with the first magnetic valve 12, the cotton filter-core back-flushing of first step PP is washed pipeline 22, second stage active carbon filter core back flushing pipeline 23, the cotton filter-core back-flushing of third stage PP is washed and on pipeline 24, is respectively equipped with the second magnetic valve 9, the 3rd magnetic valve 10, the 4th magnetic valve 11, RO film back flushing pipeline 27 is provided with the 5th magnetic valve 15, waste pipe 25 is provided with Wastewater by Electric magnet valve 14, pump 4 feed-water ends are provided with the 6th magnetic valve 13, between fourth stage RO membrane module 5 and level V active carbon filter core 6, be provided with the 7th magnetic valve 16, between the 7th magnetic valve 16 and level V active carbon filter core 6, be provided with check valve 17, the water side of the cotton filter core 3 of third stage PP is connected with low pressure valve 26.
In use, pilot circuit makes entering water electromagnetic valve 8 on water inlet pipe 20 and the 6th magnetic valve 13 and the 7th magnetic valve 16 switch on and open simultaneously, tap water enters in water-purifying machine body from water inlet pipe 20, be the cotton filter core 1 of first step PP of 5 microns successively by PP cotton, second stage active carbon filter core 2, PP cotton is that the cotton filter core 3 of the third stage PP of 1 micron filters tap water, and enter in fourth stage RO membrane module 5 by pump 4, waste water is discharged in water-purifying machine body by waste pipe 25, open outlet valve 31, after filtering, clean water is discharged after level V active carbon filter core 6 filters again from rising pipe 21, water is now pure water, people can directly drink, if when outlet valve 31 is closed, after filtering, clean water enters into pressure pot 7.Conventionally water-purifying machine in use for some time, just need carry out back flushing to filter core and RO film, if when the RO film in fourth stage RO membrane module 5 is carried out to back flushing, make the 5th magnetic valve 15 and Wastewater by Electric magnet valve 14 switch on and open simultaneously, the water in pressure pot 7 is discharged from waste pipe 25 after to the back flushing of RO film; If when the cotton filter core 3 of third stage PP is carried out to back flushing, make the first magnetic valve 12 and the 4th magnetic valve 11 switch ons and open simultaneously, the water in pressure pot 7 is discharged from waste pipe 25 after to 3 back flushinges of third stage PP cotton filter core; If when second stage active carbon filter core 2 is carried out to back flushing, make the first magnetic valve 12 and the 3rd magnetic valve 10 switch on and open simultaneously, the water in pressure pot 7 is discharged from waste pipe 25 after to 2 back flushinges of second stage active carbon filter core; If when the cotton filter core 1 of first step PP is carried out to back flushing, make the first magnetic valve 12 and the second magnetic valve 9 switch ons and open simultaneously, the water in pressure pot 7 is discharged from waste pipe 25 after to 1 back flushing of first step PP cotton filter core.If in pressure pot 7 water full after, water-purifying machine primary source is closed and cut off to high-pressure valve 18 auto-breakings, if when water-supply line lack of water, low pressure valve 26 auto-breakings are closed and report to the police, and then open water-purifying machine primary source, tap water enters in water-purifying machine body from water inlet pipe 20.In the time that water-purifying machine is closed, owing to being provided with check valve 17 between the 7th magnetic valve 16 and level V active carbon filter core 6, the water in pressure pot 7 just can be discharged and directly drink after level V active carbon filter core 6 from rising pipe 21.
Embodiment 2:
As shown in Figure 2, a kind of family expenses RO film backwash water purifier, in water-purifying machine body, be provided with filtration unit, filtration unit is provided with back-purge system, filtration unit comprises the cotton filter core 1 of the first step PP connecting successively, the cotton filter core 29 of second stage PP, the cotton filter core 3 of third stage PP, pump 4 and fourth stage RO membrane module 5, the cotton filter core 1 of first step PP is 5 microns of PP cottons, the cotton filter core 29 of second stage PP and the cotton filter core 3 of third stage PP are 1 micron of PP cotton, fourth stage RO membrane module 5 is provided with waste pipe 25, fourth stage RO membrane module 5 water sides are connected with multistage active carbon filter core 30 and pressure pot 7 respectively, the cotton filter core 1 of first step PP is connected with water inlet pipe 20, multistage active carbon filter core 30 is connected with rising pipe 21, on water inlet pipe 20 and rising pipe 21, be respectively equipped with entering water electromagnetic valve 8 and outlet valve 31, pressure pot 7 is connected with the water side of the cotton filter core 3 of third stage PP by back flushing pipeline 19, pressure pot 7 feed-water ends are provided with high-pressure valve 18, the cotton filter core 1 of first step PP, the cotton filter core 29 of second stage PP, the feed-water end of the cotton filter core 3 of third stage PP is washed pipeline 22 by the cotton filter-core back-flushing of first step PP respectively, PP cotton filter-core back-flushing in the second stage is washed pipeline 28, the cotton filter-core back-flushing of third stage PP is washed pipeline 24 and is connected with waste pipe 25, the water side of fourth stage RO membrane module 5 is connected with back flushing pipeline 19 by RO film back flushing pipeline 27, back flushing pipeline 19 is provided with the first magnetic valve 12, the cotton filter-core back-flushing of first step PP is washed pipeline 22, PP cotton filter-core back-flushing in the second stage is washed pipeline 28, the cotton filter-core back-flushing of third stage PP is washed and on pipeline 24, is respectively equipped with the second magnetic valve 9, the 3rd magnetic valve 10, the 4th magnetic valve 11, RO film back flushing pipeline 27 is provided with the 5th magnetic valve 15, waste pipe 25 is provided with Wastewater by Electric magnet valve 14, pump 4 feed-water ends are provided with the 6th magnetic valve 13, between fourth stage RO membrane module 5 and multistage active carbon filter core 30, be provided with the 7th magnetic valve 16, between the 7th magnetic valve 16 and multistage active carbon filter core 30, be provided with check valve 17, between the cotton filter core 3 of third stage PP and the first magnetic valve 12, be connected with low pressure valve 26.
In use, pilot circuit is opened entering water electromagnetic valve 8 on water inlet pipe 20 and the 6th magnetic valve 13 and the 7th magnetic valve 16 energisings, tap water enters in water-purifying machine body from water inlet pipe 20, be the cotton filter core 1 of first step PP of 5 microns successively by PP cotton, PP cotton is the cotton filter core 29 of the second stage PP of 1 micron, PP cotton is that the cotton filter core 3 of the third stage PP of 1 micron filters tap water, and enter in fourth stage RO membrane module 5 by pump 4, waste water is discharged in water-purifying machine body by waste pipe 25, open outlet valve 31, after filtering, clean water is discharged after multistage active carbon filter core 30 filters again from rising pipe 21, water is now pure water, people can directly drink, if when outlet valve 31 is closed, after filtering, clean water enters into pressure pot 7.Conventionally water-purifying machine in use for some time, just need carry out back flushing to filter core and RO film, if when the RO film in fourth stage RO membrane module 5 is carried out to back flushing, make the 5th magnetic valve 15 and Wastewater by Electric magnet valve 14 switch on and open simultaneously, the water in pressure pot 7 is discharged from waste pipe 25 after to the back flushing of RO film; If when the cotton filter core 3 of third stage PP is carried out to back flushing, make the first magnetic valve 12 and the 4th magnetic valve 11 switch ons and open simultaneously, the water in pressure pot 7 is discharged from waste pipe 25 after to 3 back flushinges of third stage PP cotton filter core; If when PP cotton filter core 29 in the second stage is carried out to back flushing, make the first magnetic valve 12 and the 3rd magnetic valve 10 switch ons and open simultaneously, the water in pressure pot 7 is discharged from waste pipe 25 after to 29 back flushinges of second stage PP cotton filter core; If when the cotton filter core 1 of first step PP is carried out to back flushing, make the first magnetic valve 12 and the second magnetic valve 9 switch ons and open simultaneously, the water in pressure pot 7 is discharged from waste pipe 25 after to 1 back flushing of first step PP cotton filter core.If in pressure pot 7 water full after, water-purifying machine primary source is closed and cut off to high-pressure valve 18 auto-breakings, if when water-supply line lack of water, low pressure valve 26 auto-breakings are closed and report to the police, and then open water-purifying machine primary source, tap water enters in water-purifying machine body from water inlet pipe 20.In the time that water-purifying machine is closed, because be provided with check valve 17 between the 7th magnetic valve 16 and multistage active carbon filter core 30, the water in pressure pot 7 just can be discharged and directly drink after multistage active carbon filter core 30 from rising pipe 21.
Claims (10)
1. a family expenses RO film backwash water purifier, in water-purifying machine body, be provided with filtration unit, described filtration unit comprises interconnective filter core, pump, RO membrane module, the two ends of described filtration unit are respectively equipped with water inlet pipe and rising pipe, it is characterized in that: described filtration unit is provided with back-purge system.
2. a kind of family expenses RO film backwash water purifier according to claim 1, it is characterized in that: described filtration unit comprises the cotton filter core of first step PP (1) connecting successively, second stage active carbon filter core (2), the cotton filter core of third stage PP (3), pump (4) and fourth stage RO membrane module (5), described fourth stage RO membrane module (5) water side is connected with level V active carbon filter core (6) and pressure pot (7) respectively, described fourth stage RO membrane module (5) is provided with waste pipe (25), the cotton filter core of described first step PP (1) is connected with water inlet pipe (20), described level V active carbon filter core (6) is connected with rising pipe (21).
3. a kind of family expenses RO film backwash water purifier according to claim 1, it is characterized in that: described filtration unit comprises the cotton filter core of first step PP (1) connecting successively, the cotton filter core of second stage PP (29), the cotton filter core of third stage PP (3), pump (4) and fourth stage RO membrane module (5), described fourth stage RO membrane module (5) is provided with waste pipe (25), described fourth stage RO membrane module (5) water side is connected with multistage active carbon filter core (30) and pressure pot (7) respectively, the cotton filter core of described first step PP (1) is connected with water inlet pipe (20), described multistage active carbon filter core (30) is connected with rising pipe (21).
4. a kind of family expenses RO film backwash water purifier according to claim 2, it is characterized in that: described pressure pot (7) is connected with the water side of the cotton filter core of third stage PP (3) by back flushing pipeline (19), described pressure pot (7) feed-water end is provided with high-pressure valve (18), the cotton filter core of described first step PP (1), second stage active carbon filter core (2), the feed-water end of the cotton filter core of third stage PP (3) is washed pipeline (22) by the cotton filter-core back-flushing of first step PP respectively, second stage active carbon filter core back flushing pipeline (23), the cotton filter-core back-flushing of third stage PP is washed pipeline (24) and is connected with waste pipe (25), the water side of described fourth stage RO membrane module (5) is connected with back flushing pipeline (19) by RO film back flushing pipeline (27), described back flushing pipeline (19) is provided with the first magnetic valve (12), the cotton filter-core back-flushing of described first step PP is washed pipeline (22), second stage active carbon filter core back flushing pipeline (23), the cotton filter-core back-flushing of third stage PP is washed and on pipeline (24), is respectively equipped with the second magnetic valve (9), the 3rd magnetic valve (10), the 4th magnetic valve (11), described RO film back flushing pipeline (27) is provided with the 5th magnetic valve (15), described waste pipe (25) is provided with Wastewater by Electric magnet valve (14), described pump (4) feed-water end is provided with the 6th magnetic valve (13), between described fourth stage RO membrane module (5) and level V active carbon filter core (6), be provided with the 7th magnetic valve (16), the water side of the cotton filter core of described third stage PP (3) is connected with low pressure valve (26).
5. a kind of family expenses RO film backwash water purifier according to claim 3, it is characterized in that: described pressure pot (7) is connected with the water side of the cotton filter core of third stage PP (3) by back flushing pipeline (19), described pressure pot (7) feed-water end is provided with high-pressure valve (18), the cotton filter core of described first step PP (1), the cotton filter core of second stage PP (29), the feed-water end of the cotton filter core of third stage PP (3) is washed pipeline (22) by the cotton filter-core back-flushing of first step PP respectively, PP cotton filter-core back-flushing in the second stage is washed pipeline (28), the cotton filter-core back-flushing of third stage PP is washed pipeline (24) and is connected with waste pipe (25), the water side of described fourth stage RO membrane module (5) is connected with back flushing pipeline (19) by RO film back flushing pipeline (27), described back flushing pipeline (19) is provided with the first magnetic valve (12), the cotton filter-core back-flushing of described first step PP is washed pipeline (22), PP cotton filter-core back-flushing in the second stage is washed pipeline (28), the cotton filter-core back-flushing of third stage PP is washed and on pipeline (24), is respectively equipped with the second magnetic valve (9), the 3rd magnetic valve (10), the 4th magnetic valve (11), described RO film back flushing pipeline (27) is provided with the 5th magnetic valve (15), described waste pipe (25) is provided with Wastewater by Electric magnet valve (14), described pump (4) feed-water end is provided with the 6th magnetic valve (13), between described fourth stage RO membrane module (5) and multistage active carbon filter core (30), be provided with the 7th magnetic valve (16), the water side of the cotton filter core of described third stage PP (3) is connected with low pressure valve (26).
6. a kind of family expenses RO film backwash water purifier according to claim 4, is characterized in that: between described the 7th magnetic valve (16) and level V active carbon filter core (6), be provided with check valve (17).
7. a kind of family expenses RO film backwash water purifier according to claim 5, is characterized in that: between described the 7th magnetic valve (16) and multistage active carbon filter core (30), be provided with check valve (17).
8. according to a kind of family expenses RO film backwash water purifier described in claim 6 or 7, it is characterized in that: on described water inlet pipe (20) and rising pipe (21), be respectively equipped with entering water electromagnetic valve (8) and outlet valve (31).
9. a kind of family expenses RO film backwash water purifier according to claim 8, is characterized in that: the cotton filter core of described first step PP (1) is 5 microns of PP cottons.
10. a kind of family expenses RO film backwash water purifier according to claim 9, is characterized in that: the cotton filter core of the cotton filter core of described third stage PP (3) and second stage PP (29) is 1 micron of PP cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320886748.7U CN203653349U (en) | 2013-12-31 | 2013-12-31 | Domestic RO (Reverse Osmosis) membrane backwashing water purification machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320886748.7U CN203653349U (en) | 2013-12-31 | 2013-12-31 | Domestic RO (Reverse Osmosis) membrane backwashing water purification machine |
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| CN203653349U true CN203653349U (en) | 2014-06-18 |
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| CN201320886748.7U Expired - Fee Related CN203653349U (en) | 2013-12-31 | 2013-12-31 | Domestic RO (Reverse Osmosis) membrane backwashing water purification machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130032A (en) * | 2015-08-20 | 2015-12-09 | 泰兴市广力机械制造厂 | Printing wastewater and flexographic-plate water-based ink printing wastewater processing recovery zero-discharge equipment |
| CN105293784A (en) * | 2015-11-26 | 2016-02-03 | 安徽吉乃尔电器科技有限公司 | Water purifier and application method thereof |
| CN107121319A (en) * | 2017-06-06 | 2017-09-01 | 青岛卓建海洋装备科技有限公司 | Can self-cleaning nutrients in sea water pre-filtering preparation system |
-
2013
- 2013-12-31 CN CN201320886748.7U patent/CN203653349U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130032A (en) * | 2015-08-20 | 2015-12-09 | 泰兴市广力机械制造厂 | Printing wastewater and flexographic-plate water-based ink printing wastewater processing recovery zero-discharge equipment |
| CN105293784A (en) * | 2015-11-26 | 2016-02-03 | 安徽吉乃尔电器科技有限公司 | Water purifier and application method thereof |
| CN107121319A (en) * | 2017-06-06 | 2017-09-01 | 青岛卓建海洋装备科技有限公司 | Can self-cleaning nutrients in sea water pre-filtering preparation system |
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