CN209567889U - A kind of two-pass reverse osmosis water purifier - Google Patents
A kind of two-pass reverse osmosis water purifier Download PDFInfo
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- CN209567889U CN209567889U CN201920282495.XU CN201920282495U CN209567889U CN 209567889 U CN209567889 U CN 209567889U CN 201920282495 U CN201920282495 U CN 201920282495U CN 209567889 U CN209567889 U CN 209567889U
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Abstract
The utility model discloses a kind of two-pass reverse osmosis water purifiers, including preposition preprocessor, grade one filter, secondary filter, booster pump, waste water circuit and pure water circuit, the water inlet end of the preposition preprocessor is connected to raw water mouth, the water outlet of the preposition preprocessor is connected to the water inlet end of booster pump, the water outlet of the booster pump is connected to the water inlet end of grade one filter, the concentrated water end of the grade one filter is connected to the water inlet end in waste water circuit, the water outlet in the waste water circuit is connected to waste water mouth, the pure water end of the grade one filter is connected to the water inlet end of secondary filter, the pure water end of the secondary filter is connected to the water inlet end of pure water circuit, the water outlet of the pure water circuit is connected to pure water mouth.The utility model carries out reverse osmosis purification twice by setting grade one filter and secondary filter, has expanded water purifier to the adaptation range of raw water quality, has kept purified water quality more ideal.
Description
Technical field
The utility model belongs to purifier field, more particularly to a kind of two-pass reverse osmosis water purifier.
Background technique
As the improvement of people's living standards, and environmental pollution attention, household water filter is gradually gained popularity.But
It is that, according to the reflections of a large amount of installations and maintenance personal, existing water purifier allows the user not to be the purification result of certain special water qualities
Feel quite pleased, for the crowd of part high-quality life, existing water purifier is difficult to meet their high request.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of two-pass reverse osmosis water purifier, pass through
Grade one filter and secondary filter are set and carry out reverse osmosis purification twice, expands water purifier to the adaptation range of raw water quality,
Keep purified water quality more ideal.
The purpose of this utility model is achieved through the following technical solutions: a kind of two-pass reverse osmosis water purifier, including
Preposition preprocessor, grade one filter, secondary filter, booster pump, waste water circuit and pure water circuit, the preposition preprocessor
Water inlet end be connected to raw water mouth, the water outlet of the preposition preprocessor is connected to the water inlet end of booster pump, the booster pump
Water outlet be connected to the water inlet end of grade one filter, the water inlet end in the concentrated water end of the grade one filter and waste water circuit connects
Logical, the water outlet in the waste water circuit is connected to waste water mouth, the pure water end of the grade one filter and the water inlet of secondary filter
End connection, the pure water end of the secondary filter is connected to the water inlet end of pure water circuit, the water outlet of the pure water circuit with it is pure
Mouth of a river connection.
Preferably, the waste water circuit includes the first waste water regulating valve, the water inlet end and one of the first waste water regulating valve
The concentrated water end connection of grade filter, the water outlet of the first waste water regulating valve is connected to waste water mouth；Alternatively, the waste water circuit
It further include the first waste water regulating valve, the first solenoid valve and second solenoid valve, the water inlet end and the second electromagnetism of first solenoid valve
The water inlet end of valve is connected to the concentrated water end of grade one filter, and the water outlet of first solenoid valve is connected to waste water mouth, described
The water outlet of second solenoid valve is connected to the water inlet end of the first waste water regulating valve, the water outlet of the first waste water regulating valve and useless
Mouth of a river connection；
The pure water circuit includes pure water output device, the water inlet end of the pure water output device and secondary filter it is pure
Water end (W.E.) connection, the water outlet of the pure water output device is connected to pure water mouth；Alternatively, the pure water circuit includes the first non-return valve
With pure water output device, the water inlet end of first non-return valve is connected to the pure water end of secondary filter, first non-return valve
Water outlet be connected to the water inlet end of pure water output device, the water outlet of the pure water output device is connected to pure water mouth；Alternatively,
The pure water circuit includes concatenated second non-return valve of random order, high-voltage switch gear and post-filter.
Preferably, the two-pass reverse osmosis water purifier further includes the first concentrate recirculation circuit, the secondary filter it is dense
Water end (W.E.) is connected to the water inlet end in the first concentrate recirculation circuit, the water outlet in first concentrate recirculation circuit and the water inlet of booster pump
End connection；And/or
The two-pass reverse osmosis water purifier further includes the second concentrate recirculation circuit, the concentrated water end of the grade one filter and the
The water inlet end in two concentrate recirculation circuits is connected to, and the water outlet in second concentrate recirculation circuit is connected to the water inlet end of booster pump.
Preferably, first concentrate recirculation circuit includes concentrate recirculation valve, the water inlet end and two of the concentrate recirculation valve
The concentrated water end connection of grade filter, the water outlet of the concentrate recirculation valve is connected to the water inlet end of booster pump；And/or described
One concentrate recirculation circuit includes third solenoid valve, the second waste water regulating valve and third non-return valve, the water inlet of the third solenoid valve
End and the water inlet end of the second waste water regulating valve are connected to the concentrated water end of secondary filter, the water outlet of the third solenoid valve with
The water outlet of second waste water regulating valve is connected to the water inlet end of third non-return valve, the water outlet of the third non-return valve and pressurization
The water inlet end of pump is connected to；
Second concentrate recirculation circuit includes the concatenated third waste water regulating valve of random order, the 4th solenoid valve and the 4th
Non-return valve.
Preferably, the two-pass reverse osmosis water purifier further includes the first water tank and the first flush loop, first storage
The disengaging water end (W.E.) of water tank is connected to the water inlet end of the water outlet of booster pump and the first flush loop, and first flush loop goes out
Water end (W.E.) is connected to the water outlet of preposition preprocessor；And/or
The two-pass reverse osmosis water purifier further includes the second water tank and the second flush loop, second water tank into
Water outlet is connected to the water inlet end at the pure water end of secondary filter and the second flush loop, the water outlet of second flush loop
It is connected to the water inlet end at the pure water end of grade one filter and secondary filter；And/or
The two-pass reverse osmosis water purifier further includes third water tank and third flush loop, the third water tank into
Water outlet is connected to the water inlet end at the pure water end of secondary filter and third flush loop, the water outlet of the third flush loop
It is connected to the water inlet end at the pure water end of grade one filter and secondary filter；And/or
The two-pass reverse osmosis water purifier further includes the 4th water tank and the 4th flush loop, the 4th water tank into
Water outlet is connected to the water inlet end at the pure water end of secondary filter and the 4th flush loop, the water outlet of the 4th flush loop
It is connected to the water inlet end of grade one filter.
Preferably, first flush loop includes the 5th solenoid valve, the water inlet end of the 5th solenoid valve and the first storage
The disengaging water end (W.E.) of water tank is connected to, and the water outlet of the 5th solenoid valve is connected to the water outlet of preposition preprocessor；
Second flush loop includes the 5th non-return valve, the water inlet end of the 5th non-return valve and the second water tank into
The water inlet end of water outlet connection, the water outlet of the 5th non-return valve and the pure water end of grade one filter and secondary filter connects
It is logical；
The third flush loop includes the 6th non-return valve, the water inlet end of the 6th non-return valve and third water tank into
The water inlet end of water outlet connection, the water outlet of the 6th non-return valve and the pure water end of grade one filter and secondary filter connects
It is logical；
4th flush loop includes the 7th non-return valve, the water inlet end of the 7th non-return valve and the 4th water tank into
Water outlet connection, the water outlet of the 7th non-return valve is connected to the water inlet end of grade one filter.
Preferably, the pure water end of the grade one filter is provided with the first water quality sensor, and/or, the pure water circuit
In be provided with the second water quality sensor.
Preferably, the 6th solenoid valve is provided between the water outlet of the booster pump and the water inlet end of grade one filter.
Preferably, the water inlet end of the preposition preprocessor is provided with low tension switch.
The beneficial effects of the utility model are:
(1) reverse osmosis purification twice is carried out by setting grade one filter and secondary filter in the utility model, effectively
The TDs value for reducing water, improves the quality of water；
The back-flushing structure of (2) first water tanks and the first flush loop composition, certain water is stored in water processed, is being stopped
Only after water processed, preposition preprocessor is backwashed using the water of storage, it is attached above to eliminate strainer of preposition preprocessor etc.
Impurity etc., to extend the service life of preposition preprocessor；
The structure and third water tank and third flush loop group of (3) second water tanks and the second flush loop composition
At structure, certain pure water is stored in water processed, after stopping water processed, is replaced in secondary filter using the pure water of storage
Concentrated water, play the role of that secondary filter is protected to extend the service life of secondary filter to reduce water purifier
Operation and maintenance cost；
The structure of (4) the 4th water tanks and the 4th flush loop composition, certain pure water is stored in water processed, is stopping making
After water, the concentrated water in grade one filter is replaced using the pure water of storage, plays the role of protecting grade one filter, to extend
The service life of grade one filter, reduces the operation and maintenance cost of water purifier；
(5) in water processed, the concentrated water that secondary filter generates is delivered to booster pump by the first concentrate recirculation circuit, and second is dense
The part concentrated water that grade one filter generates is delivered to booster pump by water reflux circuit, is again introduced into level-one under the action of booster pump
Filter is filtered, to increase the water yield of final pure water；
(6) in water processed, by the first waste water regulating valve, grade one filter output pure water can be adjusted according to the actual situation
With the ratio of waste water, reduction prepares the wastewater flow rate slatterned when pure water.
Detailed description of the invention
Fig. 1 is the schematic diagram of an embodiment of the present invention；
Fig. 2 is the schematic diagram of another embodiment of the utility model；
Fig. 3 is the schematic diagram of another embodiment of the utility model；
Fig. 4 is the schematic diagram of another embodiment of the utility model；
In figure, 1-preposition preprocessor, 2-grade one filters, 3-secondary filters, 4-booster pumps, 5-the first is useless
Water regulating valve, the 6-the second waste water regulating valve, 7-third waste water regulating valves, the 8-the first solenoid valve, 9-second solenoid valves, 10-
Third solenoid valve, the 11-the four solenoid valve, the 12-the five solenoid valve, the 13-the six solenoid valve, 14-pure water output devices, 15-
First non-return valve, the 16-the second non-return valve, 17-third non-return valves, the 18-the four non-return valve, the 19-the five non-return valve, 20-the
Six non-return valves, the 21-the seven non-return valve, 22-high-voltage switch gears, 23-post-filters, 24-low tension switches, the 25-the first water storage
Case, the 26-the second water tank, 27-third water tanks, the 28-the four water tank, 29-concentrate recirculation valves, the 30-the first water quality pass
Sensor, the 31-the second water quality sensor.
Specific embodiment
Below in conjunction with embodiment, the technical solution of the utility model is clearly and completely described, it is clear that retouched
The embodiment stated is only the utility model a part of the embodiment, instead of all the embodiments.Based in the utility model
Embodiment, those skilled in the art's every other embodiment obtained under the premise of not making the creative labor, all belongs to
In the range of the utility model protection.
Refering to fig. 1-4, a kind of two-pass reverse osmosis water purifier is present embodiments provided:
Embodiment one
As shown in Figure 1, a kind of two-pass reverse osmosis water purifier, including preposition preprocessor 1, grade one filter 2, secondary filtration
The water inlet end of device 3, booster pump 4, waste water circuit and pure water circuit, the preposition preprocessor 1 is connected to raw water mouth, described preposition
The water outlet of preprocessor 1 is connected to the water inlet end of booster pump 4, the water outlet of the booster pump 4 and the water inlet of grade one filter 2
End connection, the concentrated water end of the grade one filter 2 be connected to the water inlet end in waste water circuit, the water outlet in the waste water circuit with give up
Mouth of a river connection, the pure water end of the grade one filter 2 is connected to the water inlet end of secondary filter 3, the secondary filter 3 it is pure
Water end (W.E.) is connected to the water inlet end of pure water circuit, and the water outlet of the pure water circuit is connected to pure water mouth.
Preferably, the waste water circuit include the first waste water regulating valve 5, the water inlet end of the first waste water regulating valve 5 with
The concentrated water end of grade one filter 2 is connected to, and the water outlet of the first waste water regulating valve 5 is connected to waste water mouth.By adjusting first
Waste water regulating valve 5, can adjust the ratio that grade one filter 2 exports pure water and waste water according to the actual situation, and reduction prepares pure water
When the wastewater flow rate that slatterns.
Preferably, the pure water circuit includes pure water output device 14, and the pure water output device 14 is tap, described
The water inlet end of pure water output device 14 is connected to the pure water end of secondary filter 3, the water outlet of the pure water output device 14 with
The connection of pure water mouth.
Preferably, the preposition preprocessor 1 includes one of PP cotton filter element, active carbon filter core and ultrafiltration membrane or more
Kind, the grade one filter 2 and secondary filter 3 are reverse osmosis membrane.
When water processed, raw water carries out prefilter through preposition preprocessor 1 first, enters level-one mistake through preposition filtered water
Filter 2 carries out reverse osmosis purification for the first time, and the obtained concentrated water that purifies reverse osmosis for the first time is discharged through the first waste water regulating valve 5, the
The primary reverse osmosis obtained pure water that purifies enters back into second of reverse osmosis purification of the progress of secondary filter 3, and second of reverse osmosis penetrates into
Change obtained pure water to export through pure water output device 14.
For special water quality, such as the rural groundwater that TDs value is 1000, TDs value is about after the reverse osmosis purification of the first order
50, then after the reverse osmosis purification in the second level TDs value up to 5 or less；For the municipal tap water that TDs value is within 200, by two
It is strong to drinking-water to can satisfy people up to 1 hereinafter, be equivalent to the quality of bottled pure water completely for TDs value after the reverse osmosis purification of grade
The high standards of health is conducive to further popularizing for water purifier.
Preferably, the two-pass reverse osmosis water purifier further includes the first concentrate recirculation circuit, and first concentrate recirculation returns
Road includes concentrate recirculation valve 29, and the water inlet end of the concentrate recirculation valve 29 is connected to the concentrated water end of secondary filter 3, the concentrated water
The water outlet of return valve 29 is connected to the water inlet end of booster pump 4.In water processed, the concentrated water that secondary filter 3 generates is returned through concentrated water
Stream valve 29 is again introduced into booster pump 4, is again introduced into grade one filter 2 under the action of booster pump 4 and is filtered, to increase
The water yield of final pure water.
Preferably, the two-pass reverse osmosis water purifier further includes the first water tank 25 and the first flush loop, and described first
The disengaging water end (W.E.) of water tank 25 is connected to the water inlet end of the water outlet of booster pump 4 and the 5th solenoid valve 12, the 5th solenoid valve
12 water outlet is connected to the water outlet of preposition preprocessor 1.When water processed, the 5th solenoid valve 12, the water that booster pump 4 flows out are disconnected
A part enters in the first water tank 25, after stopping water processed, is connected to the 5th solenoid valve 12, and the water in the first water tank 25 is through the
Five solenoid valves 12 are rinsed preposition preprocessor 1, eliminate the impurity etc. that the strainer etc. of preposition preprocessor 1 adheres to above,
To extend the service life of preposition preprocessor 1.In addition, water in first water tank 25 is also into level-one when stopping water processed
Filter 2 replaces the concentrated water in grade one filter 2, plays the role of protecting grade one filter 2, to extend level-one mistake
The service life of filter 2 reduces the operation and maintenance cost of water purifier.
Embodiment two
As shown in Fig. 2, a kind of two-pass reverse osmosis water purifier, including preposition preprocessor 1, grade one filter 2, secondary filtration
Device 3, booster pump 4, waste water circuit, pure water circuit, the first concentrate recirculation circuit, the second water tank 26 and the second flush loop.
The water inlet end of the preposition preprocessor 1 is connected to raw water mouth, the water outlet of the preposition preprocessor 1 and pressurization
The water inlet end connection of pump 4, the water outlet of the booster pump 4 are connected to the water inlet end of grade one filter 2, the grade one filter 2
Pure water end be connected to the water inlet end of secondary filter 3, disengaging water end (W.E.) and the secondary filter 3 of second water tank 26 it is pure
Water end (W.E.) connection.When water processed, raw water carries out primary filtration through preposition preprocessor 1 first, then enters under the action of booster pump 4
Grade one filter 2；The concentrated water that grade one filter 2 generates is discharged through waste water circuit, and the pure water that grade one filter 2 generates enters second level
Filter 3 is for re-filtering；The pure water that secondary filter 3 generates is discharged through pure water circuit.
The waste water circuit includes the first waste water regulating valve 5, the water inlet end and by-pass filtration of the first waste water regulating valve 5
The concentrated water end of device 2 is connected to, and the water outlet of the first waste water regulating valve 5 is connected to waste water mouth.
The pure water circuit includes the first non-return valve 15 and pure water output device 14, the water inlet end of first non-return valve 15
It is connected to the pure water end of secondary filter 3, the water outlet of first non-return valve 15 and the water inlet end of pure water output device 14 connect
Logical, the water outlet of the pure water output device 14 is connected to pure water mouth；It should be noted that the first non-return valve 15 and pure water output
The position of device 14 can be exchanged, i.e., the water inlet end of the described pure water output device 14 is connected to the water outlet of secondary filter 3, institute
The water outlet for stating pure water output device 14 is connected to the water inlet end of the first non-return valve 15, the water outlet of first non-return valve 15 with
The connection of pure water mouth.First non-return valve 15 can prevent after stopping water processed, and the pure water for draining into external water tank inversely flows back to water purifier
It is interior.
First concentrate recirculation circuit includes concentrate recirculation valve 29, the water inlet end and second level mistake of the concentrate recirculation valve 29
The concentrated water end of filter 3 is connected to, and the water outlet of the concentrate recirculation valve 29 is connected to the water inlet end of booster pump 4.The concentrate recirculation
Valve 29 can use solenoid valve.When water processed, the concentrated water that secondary filter generates is again introduced into booster pump 4 through concentrate recirculation valve 29,
It is again introduced into grade one filter 2 under the action of booster pump 4 to be filtered, to increase the water yield of final pure water.
Second flush loop includes the 5th non-return valve 19, the water inlet end and the second water tank of the 5th non-return valve 19
26 disengaging water end (W.E.) connection, the water outlet of the 5th non-return valve 19 and the pure water end of grade one filter 2 and secondary filter 3
Water inlet end connection.When water processed, pure water a part that secondary filter 3 generates enters the second water tank 26 and is stored, and stops system
After water, the pure water in the second water tank 26 enters in grade one filter 2 and secondary filter 3, replaces grade one filter 2 and two
Concentrated water in grade filter 3 plays the role of protecting grade one filter 2 and secondary filter 3, to extend grade one filter
2 and secondary filter 3 service life, reduce the operation and maintenance cost of water purifier.
Embodiment three
As shown in figure 3, a kind of two-pass reverse osmosis water purifier, including preposition preprocessor 1, grade one filter 2, secondary filtration
Device 3, booster pump 4, waste water circuit, pure water circuit, the first concentrate recirculation circuit, the second concentrate recirculation circuit, third water tank 27
With third flush loop.
The water inlet end of the preposition preprocessor 1 is connected to raw water mouth, the water outlet of the preposition preprocessor 1 and pressurization
The water inlet end connection of pump 4, the water outlet of the booster pump 4 are connected to the water inlet end of grade one filter 2, the grade one filter 2
Pure water end be connected to the water inlet end of secondary filter 3, disengaging water end (W.E.) and the secondary filter 3 of the third water tank 27 it is pure
Water end (W.E.) connection.
The waste water circuit further includes the first waste water regulating valve 5, the first solenoid valve 8 and second solenoid valve 9, first electricity
The water inlet end of magnet valve 8 and the water inlet end of second solenoid valve 9 are connected to the concentrated water end of grade one filter 2, first solenoid valve 8
Water outlet be connected to waste water mouth, the water outlet of the second solenoid valve 9 is connected to the water inlet end of the first waste water regulating valve 5, institute
The water outlet for stating the first waste water regulating valve 5 is connected to waste water mouth.It should be noted that second solenoid valve 9 and the first waste water regulating valve
5 sequence of positions can exchange, i.e., the water inlet end of the described first waste water regulating valve 5 is connected to the concentrated water end of grade one filter 2, institute
The water outlet for stating the first waste water regulating valve 5 is connected to the water inlet end of second solenoid valve 9, the water outlet of the second solenoid valve 9 with
The connection of waste water mouth.
The pure water circuit includes concatenated second non-return valve 16 of random order, high-voltage switch gear 22 and post-filter 23,
In the present embodiment, second non-return valve 16, high-voltage switch gear 22 are sequentially connected to post-filter 23, second non-return valve 16
Water inlet end be connected to the pure water end of secondary filter 3, the water outlet of the post-filter 23 is connected to pure water mouth.After described
Setting filter 23 is active carbon filter.Pass when the pure water amount that high-voltage switch gear 22 stores in external pure water tank reaches predetermined value
Water purifier is closed, being automatically stopped for water purifier water is realized.
First concentrate recirculation circuit includes third solenoid valve 10, the second waste water regulating valve 6 and third non-return valve 17, institute
The water inlet end of the water inlet end and the second waste water regulating valve 6 of stating third solenoid valve 10 is connected to the concentrated water end of secondary filter 3, institute
The water outlet of the water outlet and the second waste water regulating valve 6 of stating third solenoid valve 10 is connected to the water inlet end of third non-return valve 17,
The water outlet of the third non-return valve 17 is connected to the water inlet end of booster pump 4.It should be noted that can be by third solenoid valve 10
It is exchanged with the position of the parallel-connection structure and third non-return valve 17 of the second waste water regulating valve 6 composition.When water processed, secondary filter
3 concentrated waters generated are again introduced into booster pump 4 through the first concentrate recirculation circuit, are again introduced into level-one mistake under the action of booster pump 4
Filter 2 is filtered, to increase the water yield of final pure water.
Second concentrate recirculation circuit includes the concatenated third waste water regulating valve 7 of random order, 11 and of the 4th solenoid valve
4th non-return valve 18, in the present embodiment, the third waste water regulating valve 7, the 4th solenoid valve 11 and the 4th non-return valve 18 sequentially connect
Logical, the water inlet end of the third waste water regulating valve 7 is connected to the water inlet end of grade one filter 2, and the 4th non-return valve 18 goes out
Water end (W.E.) is connected to the water inlet end of booster pump 4.When water processed, the part concentrated water that grade one filter 2 generates is through the second concentrate recirculation circuit
It is again introduced into booster pump 4, grade one filter 2 is again introduced under the action of booster pump 4 and is filtered, to increase final pure
The water yield of water.When water processed, by alternately connecting waste water circuit with the second concentrate recirculation circuit (second when i.e. waste water circuit is connected
Concentrate recirculation circuit disconnects, and vice versa), it is ensured that the pressure for carrying out discharge of wastewater front and back filter membrane is stablized, so that filtering
Film is not necessarily to re-establish pressure after waste discharge, to improve the water purification efficiency of the filter membrane of grade one filter 2.In addition,
By adjusting time for connecting with the second concentrate recirculation circuit of waste water circuit than come the waste water ratio that adjusts grade one filter 2, satisfaction
The water purification demand of different quality.
The third flush loop includes the 6th non-return valve 20, the water inlet end and third water tank of the 6th non-return valve 20
27 disengaging water end (W.E.) connection, the water outlet of the 6th non-return valve 20 and the pure water end of grade one filter 2 and secondary filter 3
Water inlet end connection.When water processed, the portion of pure water that secondary filter 3 generates enters third water tank 27；When stopping water processed, third storage
Pure water in water tank 27 enters grade one filter 2 and secondary filter 3 through the 6th non-return valve 20, replaces 2 He of grade one filter
Concentrated water in secondary filter 3 plays the role of protecting grade one filter 2 and secondary filter 3, to extend by-pass filtration
The service life of device 2 and secondary filter 3 reduces the operation and maintenance cost of water purifier.
It is provided with the 6th solenoid valve 13 between the water outlet of the booster pump 4 and the water inlet end of grade one filter 2, described
The water inlet end of six solenoid valves 13 is connected to the water outlet of booster pump 4, the water outlet of the 6th solenoid valve 13 and grade one filter 2
Water inlet end connection.6th connection in water processed of solenoid valve 13 disconnects after stopping water processed, can prevent from stopping after water processed raw water into
Enter grade one filter 2.
The pure water end of the grade one filter 2 is provided with the first water quality sensor 30, and is provided in the pure water circuit
Two water quality sensors 31, in the present embodiment, the second water quality sensor 31 is arranged between the second non-return valve 16 and high-voltage switch gear 22.
Then first water quality sensor 30 and the second water quality sensor 31 will test result and are transferred to water purification for detecting corresponding water quality
The control panel of device, control panel control the turn-on time in waste water circuit, second concentrate recirculation circuit etc. according to testing result, thus real
The function that waste water ratio is now automatically adjusted according to water quality, makes water purifier adapt to the water purification demand of different quality automatically, reduces because of water quality
Water purifier failure and water resource waste caused by discomfort.
Example IV
As shown in figure 4, a kind of two-pass reverse osmosis water purifier, including preposition preprocessor 1, grade one filter 2, secondary filtration
Device 3, booster pump 4, waste water circuit, pure water circuit, the first concentrate recirculation circuit, the second concentrate recirculation circuit, the first water tank 25,
4th water tank 28, the first flush loop and the 4th flush loop.
The water inlet end of the preposition preprocessor 1 is connected to raw water mouth, the water outlet of the preposition preprocessor 1 and pressurization
The water inlet end connection of pump 4, the water outlet of the booster pump 4 are connected to the water inlet end of grade one filter 2, the grade one filter 2
Pure water end be connected to the water inlet end of secondary filter 3, disengaging water end (W.E.) and the secondary filter 3 of the third water tank 27 it is pure
Water end (W.E.) connection.
The waste water circuit further includes the first waste water regulating valve 5, the first solenoid valve 8 and second solenoid valve 9, first electricity
The water inlet end of magnet valve 8 and the water inlet end of second solenoid valve 9 are connected to the concentrated water end of grade one filter 2, first solenoid valve 8
Water outlet be connected to waste water mouth, the water outlet of the second solenoid valve 9 is connected to the water inlet end of the first waste water regulating valve 5, institute
The water outlet for stating the first waste water regulating valve 5 is connected to waste water mouth.It should be noted that second solenoid valve 9 and the first waste water regulating valve
5 sequence of positions can exchange, i.e., the water inlet end of the described first waste water regulating valve 5 is connected to the concentrated water end of grade one filter 2, institute
The water outlet for stating the first waste water regulating valve 5 is connected to the water inlet end of second solenoid valve 9, the water outlet of the second solenoid valve 9 with
The connection of waste water mouth.
The pure water circuit includes concatenated second non-return valve 16 of random order, high-voltage switch gear 22 and post-filter 23,
In the present embodiment, second non-return valve 16, high-voltage switch gear 22 are sequentially connected to post-filter 23, second non-return valve 16
Water inlet end be connected to the pure water end of secondary filter 3, the water outlet of the post-filter 23 is connected to pure water mouth.After described
Setting filter 23 is active carbon filter.
First concentrate recirculation circuit includes third solenoid valve 10, the second waste water regulating valve 6 and third non-return valve 17, institute
The water inlet end of the water inlet end and the second waste water regulating valve 6 of stating third solenoid valve 10 is connected to the concentrated water end of secondary filter 3, institute
The water outlet of the water outlet and the second waste water regulating valve 6 of stating third solenoid valve 10 is connected to the water inlet end of third non-return valve 17,
The water outlet of the third non-return valve 17 is connected to the water inlet end of booster pump 4.It should be noted that can be by third solenoid valve 10
It is exchanged with the position of the parallel-connection structure and third non-return valve 17 of the second waste water regulating valve 6 composition.When water processed, secondary filter
3 concentrated waters generated are again introduced into booster pump 4 through the first concentrate recirculation circuit, are again introduced into level-one mistake under the action of booster pump 4
Filter 2 is filtered, to increase the water yield of final pure water.
Second concentrate recirculation circuit includes the concatenated third waste water regulating valve 7 of random order, 11 and of the 4th solenoid valve
4th non-return valve 18, in the present embodiment, the third waste water regulating valve 7, the 4th solenoid valve 11 and the 4th non-return valve 18 sequentially connect
Logical, the water inlet end of the third waste water regulating valve 7 is connected to the water inlet end of grade one filter 2, and the 4th non-return valve 18 goes out
Water end (W.E.) is connected to the water inlet end of booster pump 4.When water processed, the part concentrated water that grade one filter 2 generates is through the second concentrate recirculation circuit
It is again introduced into booster pump 4, grade one filter 2 is again introduced under the action of booster pump 4 and is filtered, to increase final pure
The water yield of water.
First flush loop includes the 5th solenoid valve 12, the water inlet end and the first water tank of the 5th solenoid valve 12
25 disengaging water end (W.E.) connection, the water outlet of the 5th solenoid valve 12 is connected to the water outlet of preposition preprocessor 1.When water processed,
Disconnecting the 5th solenoid valve 12, water a part that booster pump 4 flows out enters in the first water tank 25, after stopping water processed, connection the
Five solenoid valves 12, the water in the first water tank 25 are rinsed preposition preprocessor 1 through the 5th solenoid valve 12, eliminate preposition pre-
The impurity etc. that the strainer etc. of processor 1 adheres to above, to extend the service life of preposition preprocessor 1.
4th flush loop includes the 7th non-return valve 21, the water inlet end and the 4th water tank of the 7th non-return valve 21
28 disengaging water end (W.E.) connection, the water outlet of the 7th non-return valve 21 is connected to the water inlet end of grade one filter 2.When water processed, two
The portion of pure water that grade filter 3 generates enters the 4th water tank 28；When stopping water processed, the pure water in the 4th water tank 28 is through the 7th
Non-return valve 21 enters grade one filter 2 and secondary filter 3, replaces the concentrated water in grade one filter 2 and secondary filter 3,
Play the role of protecting grade one filter 2 and secondary filter 3, to extend making for grade one filter 2 and secondary filter 3
With the service life, the operation and maintenance cost of water purifier is reduced.
The 6th solenoid valve 13, and the 6th are provided between the water outlet of the booster pump 4 and the water inlet end of grade one filter 2
Solenoid valve 13 is between the first water tank 25 and grade one filter 2, water inlet end and the booster pump 4 of the 6th solenoid valve 13
Water outlet connection, the water outlet of the 6th solenoid valve 13 is connected to the water inlet end of grade one filter 2.
The pure water end of the grade one filter 2 is provided with the first water quality sensor 30, and is provided in the pure water circuit
Two water quality sensors 31, in the present embodiment, the second water quality sensor 31 is arranged between the second non-return valve 16 and high-voltage switch gear 22.
The water inlet end of the preposition preprocessor 1 is provided with low tension switch 24, and low tension switch 24 is when raw water pressure is inadequate
Close water purifier.
The above is only the preferred embodiment of the utility model, it should be understood that the utility model is not limited to herein
Disclosed form, should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and
Can be in contemplated scope described herein, modifications can be made through the above teachings or related fields of technology or knowledge.And this field
The modifications and changes that personnel are carried out do not depart from the spirit and scope of the utility model, then all should be in right appended by the utility model
It is required that protection scope in.
Claims (9)
1. a kind of two-pass reverse osmosis water purifier, which is characterized in that including preposition preprocessor (1), grade one filter (2), second level
Filter (3), booster pump (4), waste water circuit and pure water circuit, the water inlet end and raw water mouth of the preposition preprocessor (1) connect
Logical, the water outlet of the preposition preprocessor (1) is connected to the water inlet end of booster pump (4), the water outlet of the booster pump (4) and
The water inlet end of grade one filter (2) is connected to, and the concentrated water end of the grade one filter (2) is connected to the water inlet end in waste water circuit, institute
The water outlet for stating waste water circuit is connected to waste water mouth, the water inlet at the pure water end and secondary filter (3) of the grade one filter (2)
End connection, the pure water end of the secondary filter (3) be connected to the water inlet end of pure water circuit, the water outlet of the pure water circuit and
The connection of pure water mouth.
2. a kind of two-pass reverse osmosis water purifier according to claim 1, which is characterized in that the waste water circuit includes first
The water inlet end of waste water regulating valve (5), the first waste water regulating valve (5) is connected to the concentrated water end of grade one filter (2), and described
The water outlet of one waste water regulating valve (5) is connected to waste water mouth；Alternatively, the waste water circuit includes the first waste water regulating valve (5), the
One solenoid valve (8) and second solenoid valve (9), the water inlet end of first solenoid valve (8) and the water inlet end of second solenoid valve (9) are equal
It is connected to the concentrated water end of grade one filter (2), the water outlet of first solenoid valve (8) is connected to waste water mouth, second electricity
The water outlet of magnet valve (9) is connected to the water inlet end of the first waste water regulating valve (5), the water outlet of the first waste water regulating valve (5)
It is connected to waste water mouth；
The pure water circuit includes pure water output device (14), the water inlet end and secondary filter of the pure water output device (14)
(3) pure water end connection, the water outlet of the pure water output device (14) is connected to pure water mouth；Alternatively, the pure water circuit packet
Include the first non-return valve (15) and pure water output device (14), water inlet end and secondary filter (3) of first non-return valve (15)
Pure water end connection, the water outlet of first non-return valve (15) is connected to the water inlet end of pure water output device (14), described pure
The water outlet of water output device (14) is connected to pure water mouth；Alternatively, the pure water circuit includes that random order concatenated second is inverse
Only valve (16), high-voltage switch gear (22) and post-filter (23).
3. a kind of two-pass reverse osmosis water purifier according to claim 1, which is characterized in that the two-pass reverse osmosis water purifier
It further include the first concentrate recirculation circuit, the concentrated water end of the secondary filter (3) and the water inlet end in the first concentrate recirculation circuit connect
Logical, the water outlet in first concentrate recirculation circuit is connected to the water inlet end of booster pump (4)；And/or
The two-pass reverse osmosis water purifier further includes the second concentrate recirculation circuit, the concentrated water end of the grade one filter (2) and the
The water inlet end in two concentrate recirculation circuits is connected to, and the water outlet in second concentrate recirculation circuit and the water inlet end of booster pump (4) connect
It is logical.
4. a kind of two-pass reverse osmosis water purifier according to claim 3, which is characterized in that first concentrate recirculation circuit
Including concentrate recirculation valve (29), the water inlet end of the concentrate recirculation valve (29) is connected to the concentrated water end of secondary filter (3), described
The water outlet of concentrate recirculation valve (29) is connected to the water inlet end of booster pump (4)；And/or first concentrate recirculation circuit includes
Third solenoid valve (10), the second waste water regulating valve (6) and third non-return valve (17), the water inlet end of the third solenoid valve (10) and
The water inlet end of second waste water regulating valve (6) is connected to the concentrated water end of secondary filter (3), and the third solenoid valve (10) goes out
The water outlet of water end (W.E.) and the second waste water regulating valve (6) is connected to the water inlet end of third non-return valve (17), the third non-return valve
(17) water outlet is connected to the water inlet end of booster pump (4)；
Second concentrate recirculation circuit include the concatenated third waste water regulating valve (7) of random order, the 4th solenoid valve (11) and
4th non-return valve (18).
5. a kind of two-pass reverse osmosis water purifier according to claim 1, which is characterized in that the two-pass reverse osmosis water purifier
It further include the first water tank (25) and the first flush loop, disengaging water end (W.E.) and booster pump (4) of first water tank (25)
Water outlet is connected to the water inlet end of the first flush loop, water outlet and preposition preprocessor (1) of first flush loop
Water outlet connection；And/or
The two-pass reverse osmosis water purifier further includes the second water tank (26) and the second flush loop, second water tank (26)
Disengaging water end (W.E.) be connected to the water inlet end at the pure water end of secondary filter (3) and the second flush loop, second flush loop
Water outlet be connected to the water inlet end at the pure water end of grade one filter (2) and secondary filter (3)；And/or
The two-pass reverse osmosis water purifier further includes third water tank (27) and third flush loop, the third water tank (27)
Disengaging water end (W.E.) be connected to the water inlet end at the pure water end of secondary filter (3) and third flush loop, the third flush loop
Water outlet be connected to the water inlet end at the pure water end of grade one filter (2) and secondary filter (3)；And/or
The two-pass reverse osmosis water purifier further includes the 4th water tank (28) and the 4th flush loop, the 4th water tank (28)
Disengaging water end (W.E.) be connected to the water inlet end at the pure water end of secondary filter (3) and the 4th flush loop, the 4th flush loop
Water outlet be connected to the water inlet end of grade one filter (2).
6. a kind of two-pass reverse osmosis water purifier according to claim 5, which is characterized in that first flush loop includes
The water inlet end of 5th solenoid valve (12), the 5th solenoid valve (12) is connected to the disengaging water end (W.E.) of the first water tank (25), described
The water outlet of 5th solenoid valve (12) is connected to the water outlet of preposition preprocessor (1)；
Second flush loop includes the 5th non-return valve (19), the water inlet end and the second water tank of the 5th non-return valve (19)
(26) disengaging water end (W.E.) connection, the water outlet of the 5th non-return valve (19) and the pure water end of grade one filter (2) and second level mistake
The water inlet end of filter (3) is connected to；
The third flush loop includes the 6th non-return valve (20), the water inlet end and third water tank of the 6th non-return valve (20)
(27) disengaging water end (W.E.) connection, the water outlet of the 6th non-return valve (20) and the pure water end of grade one filter (2) and second level mistake
The water inlet end of filter (3) is connected to；
4th flush loop includes the 7th non-return valve (21), the water inlet end and the 4th water tank of the 7th non-return valve (21)
(28) disengaging water end (W.E.) connection, the water outlet of the 7th non-return valve (21) is connected to the water inlet end of grade one filter (2).
7. a kind of two-pass reverse osmosis water purifier according to claim 1, which is characterized in that the grade one filter (2)
Pure water end is provided with the first water quality sensor (30), and/or, the second water quality sensor (31) are provided in the pure water circuit.
8. a kind of two-pass reverse osmosis water purifier according to claim 1, which is characterized in that the water outlet of the booster pump (4)
The 6th solenoid valve (13) is provided between end and the water inlet end of grade one filter (2).
9. a kind of two-pass reverse osmosis water purifier according to claim 1, which is characterized in that the preposition preprocessor (1)
Water inlet end be provided with low tension switch (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920282495.XU CN209567889U (en) | 2019-03-06 | 2019-03-06 | A kind of two-pass reverse osmosis water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920282495.XU CN209567889U (en) | 2019-03-06 | 2019-03-06 | A kind of two-pass reverse osmosis water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209567889U true CN209567889U (en) | 2019-11-01 |
Family
ID=68334745
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920282495.XU Expired - Fee Related CN209567889U (en) | 2019-03-06 | 2019-03-06 | A kind of two-pass reverse osmosis water purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209567889U (en) |
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2019
- 2019-03-06 CN CN201920282495.XU patent/CN209567889U/en not_active Expired - Fee Related
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