CN111003754A - Water filtration and purification system with double membranes and double water outlets and water purifier - Google Patents
Water filtration and purification system with double membranes and double water outlets and water purifier Download PDFInfo
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- CN111003754A CN111003754A CN201911411381.1A CN201911411381A CN111003754A CN 111003754 A CN111003754 A CN 111003754A CN 201911411381 A CN201911411381 A CN 201911411381A CN 111003754 A CN111003754 A CN 111003754A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 656
- 238000001914 filtration Methods 0.000 title claims abstract description 328
- 239000012528 membrane Substances 0.000 title claims abstract description 68
- 238000000746 purification Methods 0.000 title claims abstract description 59
- 238000010612 desalination reaction Methods 0.000 claims abstract description 32
- 238000001223 reverse osmosis Methods 0.000 claims description 18
- 238000001728 nano-filtration Methods 0.000 claims description 4
- 238000005374 membrane filtration Methods 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 description 30
- 238000011033 desalting Methods 0.000 description 8
- 239000012535 impurity Substances 0.000 description 8
- 239000002351 wastewater Substances 0.000 description 8
- 238000011045 prefiltration Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 229920002521 macromolecule Polymers 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002366 mineral element Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011403 purification operation Methods 0.000 description 1
- 238000011110 re-filtration Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a two play water filtration clean system and water purifier of water of two membranes, the water purifier carries out the desalination water purification through the two play water filtration clean system of water of a two membranes, water filtration clean system is provided with first filter unit and second filter unit, the one end of first filter unit and second filter unit communicates with former water pipe way respectively, communicate each other through the water route between first filter unit and the second filter unit, first filter unit delivery port respectively with pure water pipe way, dense water pipe way intercommunication, second filter unit delivery port respectively with pure water pipe way, dense water pipe way intercommunication, wherein, first filter unit's desalination is higher than second filter unit. The filtration desalination is carried out through the filter unit of two kinds of different desalination, through the order that valve control raw water got into different filter units to produce the pure water of different quality of water, satisfy user's water demand, improve user and use experience.
Description
Technical Field
The invention relates to the technical field of water purifiers, in particular to a double-membrane double-water-outlet water filtering and purifying system and a water purifier.
Background
Reverse osmosis water purifiers mostly adopt reverse osmosis filter elements for water purification operation, and the reverse osmosis filter elements are provided with reverse osmosis membranes. When raw water enters the reverse osmosis water purifier, certain pressure is applied to the water to enable water molecules and ionic mineral elements in the raw water to pass through the reverse osmosis membrane, and macromolecular inorganic salts in the raw water comprise heavy metal ions, organic matters, bacteria, viruses and the like which cannot pass through the reverse osmosis membrane with small membrane pores, so that the water purifying effect is realized. The existing reverse osmosis membrane water purifier can only produce single water quality, can supply the pure water and the concentrated water with higher salt concentration for drinking, and can not meet the requirements of users on multi-water drinking water, thereby influencing the use experience of the users.
Therefore, it is necessary to provide a dual-membrane dual-outlet water filtration and purification system and a water purifier to overcome the deficiencies of the prior art.
Disclosure of Invention
The invention aims to provide a double-membrane multi-water-quality water-producing water filtering and purifying system, which is characterized in that two filtering units with different characteristics are used for filtering and desalting, and the sequence of raw water entering different filtering units is controlled by a tangential valve, so that pure water with different water qualities is produced, the water demand of a user is met, and the use experience of the user is improved.
The object of the invention is achieved by the following technical measures.
The utility model provides a two play drainage clean system of water of two membranes, be provided with first filter unit and second filter unit, the first water inlet and the former water pipe way intercommunication of first filter unit, communicate each other through the water route between the second water inlet of first filter unit and the second water inlet of second filter unit, the first delivery port and the pure water pipe way intercommunication of first filter unit, the second delivery port and the dense water pipe way intercommunication of first filter unit, the first water inlet and the former water pipe way intercommunication of second filter unit, the first delivery port and the pure water pipe way intercommunication of second filter unit, the second delivery port and the dense water pipe way intercommunication of second filter unit, wherein, the desalination rate of first filter unit is higher than the second filter unit.
Preferably, the first filtering unit is a reverse osmosis membrane filtering unit, and the second filtering unit is a reverse osmosis membrane or nanofiltration membrane filtering unit.
Preferably, the first filter unit is a membrane element having a mesh thickness of 8 to 13 m, and the second filter unit is a membrane element having a mesh thickness of 17 to 34 m.
Preferably, the first filter unit is a front water passage of the second filter unit.
Preferably, the first filter unit is a rear-stage water path of the second filter unit.
Preferably, the above water filtration and purification system is further provided with a first valve, and the first valve is assembled between the first water inlet of the first filtration unit and the raw water pipeline. The first valve controls raw water to enter the first filtering unit.
Preferably, the water filtration and purification system is further provided with a second valve, and the second valve is assembled between the first water inlet of the second filtration unit and the raw water pipeline. The second valve controls the raw water to enter the second filter unit.
Preferably, the water filtration and purification system is further provided with a third valve, and the third valve is assembled between the second water outlet of the first filtration unit and the concentrated water pipeline. The third valve controls the concentrated water discharge amount of the first filtering unit.
Preferably, the water filtration and purification system is further provided with a fourth valve, and the fourth valve is assembled between the second water outlet of the second filtration unit and the concentrated water pipeline. The fourth valve controls the concentrated water discharge amount of the second filtering unit.
Preferably, the water filtration and purification system is further provided with a front filter element, and the front filter element is assembled on the front section water paths of the first valve and the second valve. Leading filter core carries out first heavy filtration to the raw water, reduces the macromolecular substance that gets into first filter unit and second filter unit, reduces first filter unit and second filter unit's scale deposit risk.
Preferably, the water filtering and purifying system is further provided with a booster pump, and the booster pump is assembled on the front-section water channel of the front-mounted filter element. The booster pump increases the water flow speed of raw water entering the first filtering unit and the second filtering unit, and improves the desalting efficiency.
Preferably, the booster pump is mounted on the rear section of the water path of the front filter element.
Preferably, the water filtering and purifying system is further provided with a rear filter element, and the rear filter element is assembled at the communication position of the first water outlet of the first filtering unit and the second water outlet of the second filtering unit and the pure water pipeline. The post-arranged filter element filters the pure water in the pure water pipeline again, and the water production quality of the pure water is improved.
Preferably, the water filtration and purification system is further provided with a concentrated water proportional valve, and the concentrated water proportional valve is assembled at the communication position of the third valve and the fourth valve with the concentrated water pipeline. The concentrated water proportional valve can detect the salt content of the concentrated water, and after the salt content of the concentrated water exceeds the range of a preset value, a user can control the discharge amount of the concentrated water by controlling the third valve and the fourth valve, so that the pure waste proportion of the produced water of the water filtering and purifying system is kept stable.
When drainage clean system is in normal water purification operating mode, the raw water flows through leading filter core, booster pump in proper order under the suction effect of booster pump, and the user can select first valve or second valve to open according to the actual water demand.
When the first valve is opened and the second valve is closed, raw water flowing through the preposed filter element and the booster pump enters the first filter unit and then enters the second filter unit for double-filtration desalination, pure water of the first filter unit enters the pure water pipeline from the first water outlet of the first filter unit, pure water of the second filter unit enters the pure water pipeline from the first water outlet of the second filter unit, and pure water collected in the pure water pipeline flows out after being filtered again by the postposition filter element for a user to use; the concentrated water with higher salt concentration generated by the first filtering unit is discharged from the second water outlet of the first filtering unit, the discharge amount of the concentrated water of the first filtering unit is controlled by the third valve, the concentrated water with higher salt concentration generated by the second filtering unit is discharged from the second water outlet of the second filtering unit, the discharge amount of the concentrated water of the second filtering unit is controlled by the fourth valve, the concentrated water collected in a concentrated water pipeline is discharged after passing through the concentrated water proportional valve, the concentrated water proportional valve can detect the salt concentration of the discharged concentrated water, when the concentrated water ratio exceeds a preset range value, the discharge amount of the concentrated water can be controlled by adjusting the third valve or the fourth valve, and the pure wastewater ratio of the water filtration and purification system is kept stable. The water is subjected to multiple filtration by combining the front filter element and the rear filter element with the first filter unit and the second filter unit, so that the quality of pure water generated by the system is ensured.
When the first valve is closed and the second valve is opened, raw water flowing through the preposed filter element and the booster pump enters the second filtering unit firstly, then is discharged from the first filtering unit from the second water inlet of the second filtering unit for double-filtering desalination, pure water of the second filtering unit is discharged from the first water outlet of the second filtering unit to form a pure water pipeline, pure water of the first filtering unit is discharged from the first water outlet of the first filtering unit to form a pure water pipeline, and pure water collected in the pure water pipeline flows out after being filtered again by the postposition filter element for a user to use; the concentrated water of the second filtering unit is discharged through the second water outlet of the second filtering unit, the concentrated water discharge amount of the second filtering unit is controlled through the fourth valve, the concentrated water of the first filtering unit is discharged through the second water outlet of the first filtering unit, the concentrated water discharge amount of the first filtering unit is controlled through the third valve, the concentrated water collected in a concentrated water pipeline is discharged after passing through a concentrated water proportional valve, the concentrated water proportional valve can detect the salt concentration of the discharged concentrated water, when the concentrated water proportion exceeds a preset range value, the discharge amount of the concentrated water can be controlled through adjusting the third valve or the fourth valve, and then the proportion of pure wastewater of the water filtering and purifying system is kept stable. The water is subjected to multiple filtration by combining the front filter element and the rear filter element with the first filter unit and the second filter unit, so that the quality of pure water generated by the system is ensured.
After the water filtration and purification system carries out long-term desalination and water purification, raw water can flow in from a concentrated water pipeline, the raw water enters the first filtering unit through the third valve, the raw water enters the second filtering unit through the fourth valve, the first filtering unit and the second filtering unit are subjected to reverse flushing, salt component impurity deposits attached to the first filtering unit and the second filtering unit are flushed away, the deposits are discharged from the raw water pipeline through the first valve and the second valve along with the raw water, the first filtering unit and the second filtering unit are flushed away through the difference of water inlet directions, impurity deposits attached to the surfaces of filtering membranes of the first filtering unit and the second filtering unit are cleared away, and the service life of the filtering membranes is prolonged.
The invention relates to a double-membrane double-water-outlet water filtering and purifying system which is provided with a first filtering unit and a second filtering unit, wherein a first water inlet of the first filtering unit is communicated with a raw water pipeline, a second water inlet of the first filtering unit is communicated with a second water inlet of the second filtering unit through a water pipeline, a first water outlet of the first filtering unit is communicated with a pure water pipeline, a second water outlet of the first filtering unit is communicated with a concentrated water pipeline, a first water inlet of the second filtering unit is communicated with the raw water pipeline, a first water outlet of the second filtering unit is communicated with a pure water pipeline, a second water outlet of the second filtering unit is communicated with a concentrated water pipeline, and the desalination rate of the first filtering unit is higher than that of the second filtering unit. The filter units with two different characteristics are used for filtering and desalting, and the sequence of raw water entering different filter units is controlled through the valve, so that pure water with different water qualities is generated, the water demand of a user is met, and the user use experience is improved.
The invention also aims to provide the water purifier, which carries out desalination and water purification through a double-membrane double-water-outlet water filtering and purifying system, wherein the water filtering and purifying system carries out filtration and desalination through two filtering units with different characteristics, and the sequence of raw water entering the different filtering units is controlled through a tangential valve, so that pure water with different water qualities is produced, the water demand of a user is met, and the use experience of the user is improved.
The object of the invention is achieved by the following technical measures.
The utility model provides a water purifier, carry out the desalination water purification through the drainage clean system of two play waters of a two membranes, this drainage clean system, be provided with first filter unit and second filter unit, the first water inlet and the former water pipe way intercommunication of first filter unit, communicate through the water route each other between the second water inlet of first filter unit and the second filter unit's the second water inlet, the first delivery port and the pure water pipe way intercommunication of first filter unit, the second delivery port and the dense water pipe way intercommunication of first filter unit, the first water inlet and the former water pipe way intercommunication of second filter unit, the first delivery port and the pure water pipe way intercommunication of second filter unit, the second delivery port and the dense water pipe way intercommunication of second filter unit, wherein, the desalination rate of first filter unit is higher than the second filter unit.
Preferably, the first filtering unit is a reverse osmosis membrane filtering unit, and the second filtering unit is a reverse osmosis membrane or nanofiltration membrane filtering unit.
Preferably, the first filter unit is a membrane element having a mesh thickness of 8 to 13 m, and the second filter unit is a membrane element having a mesh thickness of 17 to 34 m.
Preferably, the first filter unit is a front water passage of the second filter unit.
Preferably, the first filter unit is a rear-stage water path of the second filter unit.
Preferably, the above water filtration and purification system is further provided with a first valve, and the first valve is assembled between the first water inlet of the first filtration unit and the raw water pipeline. The first valve controls raw water to enter the first filtering unit.
Preferably, the water filtration and purification system is further provided with a second valve, and the second valve is assembled between the first water inlet of the second filtration unit and the raw water pipeline. The second valve controls the raw water to enter the second filter unit.
Preferably, the water filtration and purification system is further provided with a third valve, and the third valve is assembled between the second water outlet of the first filtration unit and the concentrated water pipeline. The third valve controls the concentrated water discharge amount of the first filtering unit.
Preferably, the water filtration and purification system is further provided with a fourth valve, and the fourth valve is assembled between the second water outlet of the second filtration unit and the concentrated water pipeline. The fourth valve controls the concentrated water discharge amount of the second filtering unit.
Preferably, the water filtration and purification system is further provided with a front filter element, and the front filter element is assembled on the front section water paths of the first valve and the second valve. Leading filter core carries out first heavy filtration to the raw water, reduces the macromolecular substance that gets into first filter unit and second filter unit, reduces first filter unit and second filter unit's scale deposit risk.
Preferably, the water filtering and purifying system is further provided with a booster pump, and the booster pump is assembled on the front-section water channel of the front-mounted filter element. The booster pump increases the water flow speed of raw water entering the first filtering unit and the second filtering unit, and improves the desalting efficiency.
Preferably, the booster pump is mounted on the rear section of the water path of the front filter element.
Preferably, the water filtering and purifying system is further provided with a rear filter element, and the rear filter element is assembled at the communication position of the first water outlet of the first filtering unit and the second water outlet of the second filtering unit and the pure water pipeline. The post-arranged filter element filters the pure water in the pure water pipeline again, and the water production quality of the pure water is improved.
Preferably, the water filtration and purification system is further provided with a concentrated water proportional valve, and the concentrated water proportional valve is assembled at the communication position of the third valve and the fourth valve with the concentrated water pipeline. The concentrated water proportional valve can detect the salt content of the concentrated water, and after the salt content of the concentrated water exceeds the range of a preset value, a user can control the discharge amount of the concentrated water by controlling the third valve and the fourth valve, so that the pure waste proportion of the produced water of the water filtering and purifying system is kept stable.
When drainage clean system is in normal water purification operating mode, the raw water flows through leading filter core, booster pump in proper order under the suction effect of booster pump, and the user can select first valve or second valve to open according to the actual water demand.
When the first valve is opened and the second valve is closed, raw water flowing through the preposed filter element and the booster pump enters the first filter unit and then enters the second filter unit for double-filtration desalination, pure water of the first filter unit enters the pure water pipeline from the first water outlet of the first filter unit, pure water of the second filter unit enters the pure water pipeline from the first water outlet of the second filter unit, and pure water collected in the pure water pipeline flows out after being filtered again by the postposition filter element for a user to use; the concentrated water with higher salt concentration generated by the first filtering unit is discharged from the second water outlet of the first filtering unit, the discharge amount of the concentrated water of the first filtering unit is controlled by the third valve, the concentrated water with higher salt concentration generated by the second filtering unit is discharged from the second water outlet of the second filtering unit, the discharge amount of the concentrated water of the second filtering unit is controlled by the fourth valve, the concentrated water collected in a concentrated water pipeline is discharged after passing through the concentrated water proportional valve, the concentrated water proportional valve can detect the salt concentration of the discharged concentrated water, when the concentrated water ratio exceeds a preset range value, the discharge amount of the concentrated water can be controlled by adjusting the third valve or the fourth valve, and the pure wastewater ratio of the water filtration and purification system is kept stable. The water is subjected to multiple filtration by combining the front filter element and the rear filter element with the first filter unit and the second filter unit, so that the quality of pure water generated by the system is ensured.
When the first valve is closed and the second valve is opened, raw water flowing through the preposed filter element and the booster pump enters the second filtering unit firstly, then is discharged from the first filtering unit from the second water inlet of the second filtering unit for double-filtering desalination, pure water of the second filtering unit is discharged from the first water outlet of the second filtering unit to form a pure water pipeline, pure water of the first filtering unit is discharged from the first water outlet of the first filtering unit to form a pure water pipeline, and pure water collected in the pure water pipeline flows out after being filtered again by the postposition filter element for a user to use; the concentrated water of the second filtering unit is discharged through the second water outlet of the second filtering unit, the concentrated water discharge amount of the second filtering unit is controlled through the fourth valve, the concentrated water of the first filtering unit is discharged through the second water outlet of the first filtering unit, the concentrated water discharge amount of the first filtering unit is controlled through the third valve, the concentrated water collected in a concentrated water pipeline is discharged after passing through a concentrated water proportional valve, the concentrated water proportional valve can detect the salt concentration of the discharged concentrated water, when the concentrated water proportion exceeds a preset range value, the discharge amount of the concentrated water can be controlled through adjusting the third valve or the fourth valve, and then the proportion of pure wastewater of the water filtering and purifying system is kept stable. The water is subjected to multiple filtration by combining the front filter element and the rear filter element with the first filter unit and the second filter unit, so that the quality of pure water generated by the system is ensured.
After the water filtration and purification system carries out long-term desalination and water purification, raw water can flow in from a concentrated water pipeline, the raw water enters the first filtering unit through the third valve, the raw water enters the second filtering unit through the fourth valve, the first filtering unit and the second filtering unit are subjected to reverse flushing, salt component impurity deposits attached to the first filtering unit and the second filtering unit are flushed away, the deposits are discharged from the raw water pipeline through the first valve and the second valve along with the raw water, the first filtering unit and the second filtering unit are flushed away through the difference of water inlet directions, impurity deposits attached to the surfaces of filtering membranes of the first filtering unit and the second filtering unit are cleared away, and the service life of the filtering membranes is prolonged.
The water purifier carries out desalination and water purification through a double-membrane double-water-outlet water filtering and purifying system, the water filtering and purifying system is provided with a first filtering unit and a second filtering unit, a first water inlet of the first filtering unit is communicated with a raw water pipeline, a second water inlet of the first filtering unit is communicated with a second water inlet of the second filtering unit through a water pipeline, a first water outlet of the first filtering unit is communicated with a pure water pipeline, a second water outlet of the first filtering unit is communicated with a concentrated water pipeline, a first water inlet of the second filtering unit is communicated with the raw water pipeline, a first water outlet of the second filtering unit is communicated with a pure water pipeline, and a second water outlet of the second filtering unit is communicated with a concentrated water pipeline, wherein the desalination rate of the first filtering unit is higher than that of the second filtering unit. The filter units with two different characteristics are used for filtering and desalting, and the sequence of raw water entering different filter units is controlled through the valve, so that pure water with different water qualities is generated, the water demand of a user is met, and the user use experience is improved.
Drawings
The invention is further illustrated by means of the attached drawings, the content of which is not in any way limiting.
Fig. 1 is a schematic diagram of the connection relationship of water paths of a double-membrane double-outlet water filtering and purifying system.
In fig. 1, this includes:
the filter comprises a first filter unit 100, a second filter unit 200, a front filter element 300, a booster pump 400, a first valve 500, a second valve 600, a third valve 700, a fourth valve 800, a rear filter element 900 and a concentrated water proportional valve 1000.
Detailed Description
The invention is further illustrated by the following examples.
Example 1.
A double-membrane double-water-outlet water filtering and purifying system is shown in figure 1 and provided with a first filtering unit 100 and a second filtering unit 200, wherein a first water inlet of the first filtering unit 100 is communicated with a raw water pipeline, a second water inlet of the first filtering unit 100 is communicated with a second water inlet of the second filtering unit 200 through a water pipeline, a first water outlet of the first filtering unit 100 is communicated with a pure water pipeline, a second water outlet of the first filtering unit 100 is communicated with a concentrated water pipeline, a first water inlet of the second filtering unit 200 is communicated with the raw water pipeline, a first water outlet of the second filtering unit 200 is communicated with a pure water pipeline, a second water outlet of the second filtering unit 200 is communicated with a concentrated water pipeline, and the desalination rate of the first filtering unit 100 is higher than that of the second filtering unit 200.
In this embodiment, the first filtering unit 100 is configured as a reverse osmosis membrane filtering unit, and the second filtering unit 200 is configured as a reverse osmosis membrane or a nanofiltration membrane filtering unit.
It should be noted that the first filter unit may also be configured to use a membrane element with a mesh thickness of 8-13 m, and the second filter unit may also be configured to use a membrane element with a mesh thickness of 17-34 m.
In this embodiment, the first filtering unit 100 is used as a front-stage water channel of the second filtering unit 200.
Note that the first filter unit 100 may also serve as a back-stage water path of the second filter unit 200.
In this embodiment, the water filtering and purifying system is further provided with a first valve 500, and the first valve 500 is assembled between the first water inlet of the first filtering unit 100 and the raw water pipeline. The first valve 500 controls raw water to enter the first filtering unit 100.
In this embodiment, the water filtering and purifying system is further provided with a second valve 600, and the second valve 600 is assembled between the first water inlet of the second filtering unit 200 and the raw water pipeline. The second valve 600 controls the raw water to enter the second filtering unit 200.
In this embodiment, the water filtering and purifying system is further provided with a third valve 700, and the third valve 700 is installed between the second water outlet of the first filtering unit 100 and the concentrate pipeline. The third valve 700 controls the discharge amount of the concentrate of the first filtering unit 100.
In this embodiment, the water filtering and purifying system is further provided with a fourth valve 800, and the fourth valve 800 is assembled between the second water outlet of the second filtering unit 200 and the concentrated water pipeline. The fourth valve 800 controls the discharge amount of the concentrated water of the second filtering unit 200.
In this embodiment, the water filtering and purifying system is further provided with a front filter element 300, and the front filter element 300 is assembled in front-section water paths of the first valve 500 and the second valve 600. The pre-filter element 300 performs a first re-filtration on the raw water, reduces macromolecular substances entering the first filter unit 100 and the second filter unit 200, and reduces the scaling risk of the first filter unit 100 and the second filter unit 200.
In this embodiment, the water filtration purification system is further provided with a booster pump 400, and the booster pump 400 is assembled in the rear section of the front filter element 300. The booster pump 400 increases the flow rate of raw water into the first and second filtering units 100 and 200, thereby improving desalination efficiency.
The booster pump 400 may be mounted on the front-stage water path of the front filter 300.
In this embodiment, the water filtering and purifying system is further provided with a post-filter element 900, and the post-filter element 900 is assembled at a position where the first water outlet of the first filtering unit 100 and the second water outlet of the second filtering unit 200 communicate with the pure water pipeline. The post-positioned filter element 900 filters the pure water in the pure water pipeline again, and the water production quality of the pure water is improved.
In this embodiment, the water filtration and purification system is further provided with a concentrated water proportional valve 1000, and the concentrated water proportional valve 1000 is assembled at the communication positions of the third valve 700 and the fourth valve 800 and the concentrated water pipeline. The concentrated water proportional valve 1000 can detect the salt content of the concentrated water, and after the salt content of the concentrated water exceeds a preset value range, a user can control the discharge amount of the concentrated water by controlling the third valve 700 and the fourth valve 800, so that the pure waste proportion of the produced water of the water filtering and purifying system is kept stable.
When the water filtration purification system is in a normal water purification working condition, raw water flows through the pre-filter element 300 and the booster pump 400 in sequence under the suction effect of the booster pump 400, and a user can select the first valve 500 or the second valve 600 to be opened according to the actual water demand.
When the first valve 500 is opened and the second valve 600 is closed, the raw water flowing through the pre-filter element 300 and the booster pump 400 enters the first filter unit 100 and then enters the second filter unit 200 for double filtration desalination, the pure water of the first filter unit 100 enters the pure water pipeline from the first water outlet of the first filter unit 100, the pure water of the second filter unit 200 enters the pure water pipeline from the first water outlet of the second filter unit 200, and the pure water collected in the pure water pipeline flows out for users after being filtered again by the post-filter element 900; the concentrated water with higher salt concentration generated by the first filtering unit 100 is discharged from the second water outlet of the first filtering unit 100, the discharge amount of the concentrated water of the first filtering unit 100 is controlled by the third valve 700, the concentrated water with higher salt concentration generated by the second filtering unit 200 is discharged from the second water outlet of the second filtering unit 200, the discharge amount of the concentrated water of the second filtering unit 200 is controlled by the fourth valve 800, the concentrated water collected in a concentrated water pipeline is discharged after passing through the concentrated water proportional valve 1000, the concentrated water proportional valve 1000 can detect the salt concentration of the discharged concentrated water, and when the concentrated water ratio exceeds a preset range value, the discharge amount of the concentrated water can be controlled by adjusting the third valve 700 or the fourth valve 800, so that the pure wastewater ratio of the water filtering and purifying system is kept stable. The water is subjected to multiple filtration by combining the first filter unit 100 and the second filter unit 200 through the pre-filter element 300 and the post-filter element 900, so that the quality of pure water generated by the system is ensured.
When the first valve 500 is closed and the second valve 600 is opened, the raw water flowing through the pre-filter 300 and the booster pump 400 enters the second filter unit 200 first, and then is discharged from the second water inlet of the second filter unit 200 to the first filter unit 100 for double filtration and desalination, the pure water of the second filter unit 200 is discharged from the first water outlet of the second filter unit 200 to the pure water pipeline, the pure water of the first filter unit 100 is discharged from the first water outlet of the first filter unit 100 to the pure water pipeline, and the pure water collected in the pure water pipeline flows out after being filtered again by the post-filter 900 for the user; the concentrated water of the second filtering unit 200 is discharged through the second water outlet of the second filtering unit 200, the discharge amount of the concentrated water of the second filtering unit 200 is controlled by the fourth valve 800, the concentrated water of the first filtering unit 100 is discharged through the second water outlet of the first filtering unit 100, the discharge amount of the concentrated water of the first filtering unit 100 is controlled by the third valve 700, the concentrated water collected in a concentrated water pipeline is discharged after passing through the concentrated water proportional valve 1000, the concentrated water proportional valve 1000 can detect the salt concentration of the discharged concentrated water, when the concentrated water proportion exceeds a preset range value, the discharge amount of the concentrated water can be controlled by adjusting the third valve 700 or the fourth valve 800, and further the proportion of the pure wastewater of the water filtering and purifying system is kept stable. The water is subjected to multiple filtration by combining the first filter unit 100 and the second filter unit 200 through the pre-filter element 300 and the post-filter element 900, so that the quality of pure water generated by the system is ensured.
After the water filtration and purification system carries out long-term desalination and water purification, raw water can flow in from a concentrated water pipeline, enters the first filtering unit 100 through the third valve 700, enters the second filtering unit 200 through the fourth valve 800, carries out reverse flushing on the first filtering unit 100 and the second filtering unit 200, flushes out salt component impurity deposition attached to the first filtering unit 100 and the second filtering unit 200, the deposition is discharged from the raw water pipeline through the first valve 500 and the second valve 600 along with the raw water, flushes the first filtering unit 100 and the second filtering unit 200 through different water inlet directions, clears away impurity deposition substances attached to the surfaces of filtering membranes of the first filtering unit 100 and the second filtering unit 200, and prolongs the service life of the filtering membranes.
The utility model provides a two play drainage clean system of water of two membranes of embodiment, be provided with first filter unit 100 and second filter unit 200, the first water inlet and the former water piping intercommunication of first filter unit 100, communicate each other through the water route between the second water inlet of first filter unit 100 and the second water inlet of second filter unit 200, the first delivery port and the pure water pipeline intercommunication of first filter unit 100, the second delivery port and the dense water pipeline intercommunication of first filter unit 100, the first water inlet and the former water piping intercommunication of second filter unit 200, the first delivery port and the pure water pipeline intercommunication of second filter unit 200, the second delivery port and the dense water pipeline intercommunication of second filter unit 200, wherein, the desalination of first filter unit 100 is higher than second filter unit 200. The filter units with two different characteristics are used for filtering and desalting, and the sequence of raw water entering different filter units is controlled through the valve, so that pure water with different water qualities is generated, the water demand of a user is met, and the user use experience is improved.
Example 2.
The utility model provides a water purifier, carry out the water purification of desalination through the drainage clean system of two play waters of a two membranes, this drainage clean system, be provided with first filter unit and second filter unit, first water inlet and the former water pipe way intercommunication of first filter unit, communicate through the water route each other between the second water inlet of first filter unit and the second filter unit's the second water inlet, the first delivery port and the pure water pipe way intercommunication of first filter unit, the second delivery port and the dense water pipe way intercommunication of first filter unit, the first water inlet and the former water pipe way intercommunication of second filter unit, the first delivery port and the pure water pipe way intercommunication of second filter unit, the second delivery port and the dense water pipe way intercommunication of second filter unit, wherein, the desalination rate of first filter unit is higher than the second filter unit.
In this embodiment, first filter unit sets up to reverse osmosis membrane filter unit, and the second filter unit sets up to reverse osmosis membrane or receive filter unit of filter membrane.
It should be noted that the first filter unit may also be configured to use a membrane element with a mesh thickness of 8-13 m. The second filter unit may also be arranged to use a membrane element with a mesh thickness of 17-34 m.
In this embodiment, the first filtering unit is used as a front-stage water channel of the second filtering unit.
The first filter unit may also serve as a rear-stage water path of the second filter unit.
In this embodiment, the water filtration and purification system is further provided with a first valve, and the first valve is assembled between the first water inlet of the first filtering unit and the raw water pipeline. The first valve controls raw water to enter the first filtering unit.
In this embodiment, the water filtration and purification system is further provided with a second valve, and the second valve is assembled between the first water inlet of the second filtration unit and the raw water pipeline. The second valve controls the raw water to enter the second filter unit.
In this embodiment, the water filtration and purification system is further provided with a third valve, and the third valve is assembled between the second water outlet of the first filtration unit and the concentrated water pipeline. The third valve controls the concentrated water discharge amount of the first filtering unit.
In this embodiment, the water filtration and purification system is further provided with a fourth valve, and the fourth valve is assembled between the second water outlet of the second filtration unit and the concentrated water pipeline. The fourth valve controls the concentrated water discharge amount of the second filtering unit.
In this embodiment, drainage clean system still is provided with leading filter core, and leading filter core assembles in the anterior segment water route of first valve and second valve. Leading filter core carries out first heavy filtration to the raw water, reduces the macromolecular substance that gets into first filter unit and second filter unit, reduces first filter unit and second filter unit's scale deposit risk.
In this embodiment, drainage clean system still is provided with the booster pump, and the booster pump assembles in the back end water route of leading filter core. The booster pump increases the water flow speed of raw water entering the first filtering unit and the second filtering unit, and improves the desalting efficiency.
It should be noted that the booster pump may be mounted on the front-stage water path of the front filter element.
In this embodiment, the water filtration and purification system is further provided with a post-filter element, and the post-filter element is assembled at a communication position between the first water outlet of the first filter unit and the second water outlet of the second filter unit and the pure water pipeline. The post-arranged filter element filters the pure water in the pure water pipeline again, and the water production quality of the pure water is improved.
In this embodiment, the water filtration and purification system is further provided with a concentrated water proportional valve, and the concentrated water proportional valve is assembled at the communication position of the third valve and the fourth valve with the concentrated water pipeline. The concentrated water proportional valve can detect the salt content of the concentrated water, and after the salt content of the concentrated water exceeds the range of a preset value, a user can control the discharge amount of the concentrated water by controlling the third valve and the fourth valve, so that the pure waste proportion of the produced water of the water filtering and purifying system is kept stable.
When drainage clean system is in normal water purification operating mode, the raw water flows through leading filter core, booster pump in proper order under the suction effect of booster pump, and the user can select first valve or second valve to open according to the actual water demand.
When the first valve is opened and the second valve is closed, raw water flowing through the preposed filter element and the booster pump enters the first filter unit and then enters the second filter unit for double-filtration desalination, pure water of the first filter unit enters the pure water pipeline from the first water outlet of the first filter unit, pure water of the second filter unit enters the pure water pipeline from the first water outlet of the second filter unit, and pure water collected in the pure water pipeline flows out after being filtered again by the postposition filter element for a user to use; the concentrated water with higher salt concentration generated by the first filtering unit is discharged from the second water outlet of the first filtering unit, the discharge amount of the concentrated water of the first filtering unit is controlled by the third valve, the concentrated water with higher salt concentration generated by the second filtering unit is discharged from the second water outlet of the second filtering unit, the discharge amount of the concentrated water of the second filtering unit is controlled by the fourth valve, the concentrated water collected in a concentrated water pipeline is discharged after passing through the concentrated water proportional valve, the concentrated water proportional valve can detect the salt concentration of the discharged concentrated water, when the concentrated water ratio exceeds a preset range value, the discharge amount of the concentrated water can be controlled by adjusting the third valve or the fourth valve, and the pure wastewater ratio of the water filtration and purification system is kept stable. The water is subjected to multiple filtration by combining the front filter element and the rear filter element with the first filter unit and the second filter unit, so that the quality of pure water generated by the system is ensured.
When the first valve is closed and the second valve is opened, raw water flowing through the preposed filter element and the booster pump enters the second filtering unit firstly, then is discharged from the first filtering unit from the second water inlet of the second filtering unit for double-filtering desalination, pure water of the second filtering unit is discharged from the first water outlet of the second filtering unit to form a pure water pipeline, pure water of the first filtering unit is discharged from the first water outlet of the first filtering unit to form a pure water pipeline, and pure water collected in the pure water pipeline flows out after being filtered again by the postposition filter element for a user to use; the concentrated water of the second filtering unit is discharged through the second water outlet of the second filtering unit, the concentrated water discharge amount of the second filtering unit is controlled through the fourth valve, the concentrated water of the first filtering unit is discharged through the second water outlet of the first filtering unit, the concentrated water discharge amount of the first filtering unit is controlled through the third valve, the concentrated water collected in a concentrated water pipeline is discharged after passing through a concentrated water proportional valve, the concentrated water proportional valve can detect the salt concentration of the discharged concentrated water, when the concentrated water proportion exceeds a preset range value, the discharge amount of the concentrated water can be controlled through adjusting the third valve or the fourth valve, and then the proportion of pure wastewater of the water filtering and purifying system is kept stable. The water is subjected to multiple filtration by combining the front filter element and the rear filter element with the first filter unit and the second filter unit, so that the quality of pure water generated by the system is ensured.
After the water filtration and purification system carries out long-term desalination and water purification, raw water can flow in from a concentrated water pipeline, the raw water enters the first filtering unit through the third valve, the raw water enters the second filtering unit through the fourth valve, the first filtering unit and the second filtering unit are subjected to reverse flushing, salt component impurity deposits attached to the first filtering unit and the second filtering unit are flushed away, the deposits are discharged from the raw water pipeline through the first valve and the second valve along with the raw water, the first filtering unit and the second filtering unit are flushed away through the difference of water inlet directions, impurity deposits attached to the surfaces of filtering membranes of the first filtering unit and the second filtering unit are cleared away, and the service life of the filtering membranes is prolonged.
The utility model provides a water purifier, the water purification system that desalinates through two play waters of a two membranes carries out the water purification of desalination, this water purification system that filters is provided with first filter unit and second filter unit, first water inlet and former water pipe way intercommunication of first filter unit, communicate through the water route each other between the second water inlet of first filter unit and the second filter unit's the second water inlet, first water outlet and the pure water pipe way intercommunication of first filter unit, the second water outlet and the dense water pipe way intercommunication of first filter unit, the first water inlet and the former water pipe way intercommunication of second filter unit, the first water outlet and the pure water pipe way intercommunication of second filter unit, the second water outlet and the dense water pipe way intercommunication of second filter unit, wherein, the desalination rate of first filter unit is higher than the second filter unit. The filter units with two different characteristics are used for filtering and desalting, and the sequence of raw water entering different filter units is controlled through the valve, so that pure water with different water qualities is generated, the water demand of a user is met, and the user use experience is improved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (13)
1. The utility model provides a two membrane are two play drainage clean system of water which characterized in that: be provided with first filter unit and second filter unit, first filter unit's first water inlet and former water piping intercommunication, communicate through the water route each other between first filter unit's the second water inlet and the second filter unit's the second water inlet, first filter unit's first delivery port and pure water pipeline intercommunication, first filter unit's second delivery port and dense water pipeline intercommunication, second filter unit's first water inlet and former water piping intercommunication, second filter unit's first delivery port and pure water pipeline intercommunication, second filter unit's second delivery port and dense water pipeline intercommunication, wherein, first filter unit's desalination is higher than second filter unit.
2. The dual-membrane dual-effluent water filtration purification system of claim 1, wherein: the first filtering unit is set as a reverse osmosis membrane filtering unit, and the second filtering unit is set as a reverse osmosis membrane or nanofiltration membrane filtering unit; or
The first filtering unit is a membrane element with the thickness of a grid of 8-13 m ear, and the second filtering unit is a membrane element with the thickness of a grid of 17-34 m ear.
3. The dual-membrane dual-effluent water filtration purification system of claim 2, wherein: the first filtering unit is used as a front-section water channel of the second filtering unit.
4. The dual-membrane dual-effluent water filtration purification system of claim 2, wherein: the first filtering unit is used as a rear section waterway of the second filtering unit.
5. The dual-membrane dual-effluent water filtration purification system according to any one of claims 1 to 4, wherein: still be provided with first valve, first valve assembly is between the first water inlet of first filter unit and former water piping.
6. The dual-membrane dual-effluent water filtration purification system according to any one of claims 1 to 4, wherein: the second valve is arranged between the first water inlet of the second filtering unit and the raw water pipeline.
7. The dual-membrane dual-effluent water filtration purification system according to any one of claims 1 to 4, wherein: the third valve is arranged between the second water outlet of the first filtering unit and the concentrated water pipeline.
8. The dual-membrane dual-effluent water filtration purification system according to any one of claims 1 to 4, wherein: the fourth valve is arranged between the second water outlet of the second filtering unit and the concentrated water pipeline.
9. The dual-membrane dual-effluent water filtration purification system of claim 8, wherein: still be provided with leading filter core, leading filter core assembles in the anterior segment water route of first valve and second valve.
10. The dual-membrane dual-effluent water filtration purification system of claim 9, wherein: the booster pump is assembled on the front-section water way of the front-end filter element; or
The booster pump is assembled in the back end water route of leading filter core.
11. The dual-membrane dual-effluent water filtration purification system of claim 10, wherein: the water purifier is also provided with a rear filter element which is assembled at the communication position of the first water outlet of the first filter unit and the second water outlet of the second filter unit with the pure water pipeline.
12. The dual-membrane dual-effluent water filtration purification system of claim 11, wherein: the concentrated water proportional valve is also arranged and is assembled at the communication part of the third valve and the fourth valve and the concentrated water pipeline.
13. A water purifier is characterized in that: a water filtration and purification system provided with the double-membrane double-outlet water according to any one of claims 1 to 12.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911411381.1A CN111003754A (en) | 2019-12-31 | 2019-12-31 | Water filtration and purification system with double membranes and double water outlets and water purifier |
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| CN201911411381.1A CN111003754A (en) | 2019-12-31 | 2019-12-31 | Water filtration and purification system with double membranes and double water outlets and water purifier |
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