CN109721181A - Intelligent waste water reuse water purifier and control method - Google Patents
Intelligent waste water reuse water purifier and control method Download PDFInfo
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- CN109721181A CN109721181A CN201910134169.9A CN201910134169A CN109721181A CN 109721181 A CN109721181 A CN 109721181A CN 201910134169 A CN201910134169 A CN 201910134169A CN 109721181 A CN109721181 A CN 109721181A
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Abstract
The present invention provides a kind of intelligent waste water reuse water purifier and control method, the water purifier includes: primary filter unit, osmosis filtration unit, control unit, wastewater pressure water butt, first waste pipe, the output end of the osmosis filtration unit includes: pure water delivery outlet and concentrated water delivery outlet, the primary filter unit is equipped with water inlet, water purification mouth and sewage draining exit, the primary filter unit water purification mouth is connect with osmosis filtration unit water inlet, the osmosis filtration unit concentrated water delivery outlet connects wastewater pressure water butt intake-outlet, first waste pipe one end connects wastewater pressure water butt intake-outlet, the first waste pipe other end is connected to primary filter unit water purification mouth and/or primary filter unit water inlet.Technical solution provided by the invention has the advantages that facilitate user.
Description
Technical field
The present invention relates to reverse osmosis water purifier field more particularly to a kind of intelligent waste water reuse water purifier and control methods
Background technique
Water purifier is also water purification machine, and core technology is RO reverse osmosis membrane, and water purifier can effectively filter out iron rust, sand in water
The chemical agents such as chlorine residue, odor, heterochromatic, pesticide in stone, colloid and absorption water；Bacterium in water, toxin, again can be effectively removed
Metal etc., application of the water purification technology in drinking water field.
The reverse osmosis water purifier core filter core reverse osmosis membrane Pure-water Making of the prior art needs a large amount of water to rinse, and prevents reverse osmosis
Permeable membrane dirt is stifled, it is general using it is fixed than discharge concentrated water produce one glass of pure water need to discharge 3 glasss of concentrated waters arrived water temperature in winter decline it is pure
Concentrated water ratio is that 1:6 causes the waste of water resource.
The pretreatment of another long-acting filter elements reverse osmosis water purifier is needed periodically using ultra-filtration membrane device with water purification recoil ultrafiltration
The silt impurity of film retention causes another waste of water resource.
The Sewage treatment for having a kind of non-wastewater discharge water purification machine to be discharged water purifier using technology currently on the market is to giving up
Water dedicated box is used as domestic water, because water purification mechanism water and domestic water are not that wastewater pressure water butt water is full caused by carrying out simultaneously
Waste water can flow to the indirect waste discharge of sewer, big particularly to the water temperature wastewater flow rate that water purifier discharges when low, wastewater pressure
Water storage ladle capacity is limited, and most of waste water is exhausted directly to sewer, palliative, the above technology have it is further improved must
It wants.
Summary of the invention
The purpose of the present invention provides a kind of intelligent waste water reuse water purifier and control method
One of method of reutilizing wastewater: control unit is by the program starting waste water recoil of setting or square impact primary filter unit
The silt impurity that filter core retains filter core is discharged by sewage draining exit and realizes waste water reuse, is reduced miscellaneous with tap water filter cartridge flushing
Matter.
The two of method of reutilizing wastewater: domestic water is connected to wastewater pressure water butt automatic when using domestic water
Waste water is used in mixed way with domestic water by a certain percentage.
The effluent of water purifier institute can not be limited by space, usage scenario for both the above methods, realizes waste water
Recycle this waste water reuse water system of nil waste without human intervention, it is simple and convenient, backwash primary filter core and save 90%
Water resource and flushing effect is good extends primary filter core service life and reduces replacement number less filter element replacing rubbish indirectly.
The technical solution of the invention is as follows the intelligent waste water reuse water purifier, comprising: primary filter unit, water
Pump, osmosis filtration unit；No. 1 solenoid valve, No. 2 solenoid valves, drain valve, No. 3 solenoid valves, the first waste pipe, the second waste pipe,
Wastewater pressure water butt, control unit, the osmosis filtration unit output end include pure water delivery outlet and concentrated water delivery outlet.
Preferably, the primary filter unit water inlet connects water source, the water purification mouth connects osmosis filtration unit
Water inlet end, the interface channel are equipped with water pump, and the osmosis filtration unit is equipped with concentrated water delivery outlet and pure water delivery outlet, institute
Concentrated water delivery outlet drain valve water inlet end is stated, the drain valve water outlet connects wastewater pressure water butt intake-outlet, the concentrated water
Between delivery outlet and drain valve channel be equipped with No. 1 check valve, first waste pipe one end connect wastewater pressure water butt into
Water outlet, the first waste pipe other end are connected to primary filter unit water purification mouth and/or primary filter unit water inlet, institute
It states and is successively arranged No. 2 check valves, No. 3 solenoid valves on the first waste pipe, control unit is by the program of setting by wastewater pressure water storage
Bucket waste water is used to recoil, is just washing the silt impurity of primary filter core retention and by primary filter unit sewage draining exit through No. 2 solenoid valves
Discharge.
Preferably, the water purifier further include: No. 1 solenoid valve, it is defeated that No. 1 solenoid valve is connected to primary filter unit
Enter to hold on channel, the primary filter unit sewage draining exit connects No. 2 solenoid valve water inlet ends, No. 2 solenoid valve water outlets emptying.
Preferably, the nearly water outlet of the wastewater pressure water butt has pressure relief opening, the wastewater pressure water butt is
There are pressure bucket (included air pressure) and the water storage device without pressure bucket (compressed air mode) or filter cartridge construction mode that can select.
Preferably, osmosis filtration unit pure water delivery outlet connects No. 1 high-voltage switch gear, completely stop for controlling water purifier water
Machine booting.
Preferably, the program timing that water purifier control unit when water expires stop working state presses setting opens 1
Number solenoid valve, No. 2 solenoid valve square impact primary filter unit filter core silt impurities.
Preferably, the water purifier further include: control unit, described control unit are integrated circuit board, for controlling
The work of each electric elements of water purifier, control unit are equipped with central processing unit and are used to store control water purification mechanism water program, rinse
Program, shuts down boot program at water intaking program；Described control unit is equipped with wireless interrogate and leads to module, it can be achieved that remotely controlling water purifier
It opens, close, water quality, filter element life visualization.
Preferably, the primary filter unit is equipped with sewage draining exit timing to the filter core of impurity trapped in primary filter unit
It carries out square impact and recoil excludes silt impurity.
Preferably, the osmosis filtration unit filter core includes that RO reverse osmosis membrane, NF nanofiltration membrane are one such.
Preferably, the channel between the primary filter unit and osmosis filtration unit is equipped with activated carbon adsorption
Filter unit.
Preferably, second waste pipe one end is connected on the first waste pipe, second waste pipe is equipped with 3
Number check valve, flow sensor, the second waste pipe other end connect wastewater outlet, store up wastewater pressure when with life water
The waste water of bucket flows out by a certain percentage to be used in mixed way with domestic water.
Preferably, the drain valve is the multifunctional electromagnetic valves with current-limiting apparatus or single flow-limiting valve.
Preferably, No. 2 solenoid valves can be replaced by the compound type electromagnetic valve with flow sensor function or be flowed at No. 2
Quantity sensor water outlet connects flow sensor, and No. 3 solenoid valves, No. 2 solenoid valves are judged by flow sensor detection flows
Whether it is normally-open and close.
Preferably, settable deionization removes scale filter element on first waste pipe.
Preferably, the osmosis filtration unit intake tunnel is equipped with raw water detection sensor (TDS), according to detection
The program set is pressed to raw water TDS value control unit opens numerical value between the opening time as 1-60 seconds described in drain valve.
Preferably, third waste pipe one end connects wastewater pressure bucket relief valve, one end is connected to primary filter list
First water inlet end channel, the third waste pipe are equipped with No. 5 check valves.
Preferably, the osmosis filtration unit pure water delivery outlet connects the disengaging of pure water pressure pot by the first pure water pipe
The mouth of a river, the pure water pressure pot intake-outlet are connected to water pump inlet channel, second pure water pipe by the second pure water pipe
It is equipped with No. 4 check valves, No. 4 solenoid valves.
The intelligence waste water reuse water purifier control method is as follows:
Step 1: when wastewater pressure bucket pressure reaches the time of setting value or waste water recoil, the setting of square impact primary filter unit
No. 1 solenoid valve, water pump are closed to control unit；No. 2 solenoid valves, No. 3 solenoid valves are opened, recoil, square impact time are set as 0-300
Numerical value between second；
Step 2: the recoil or square impact time terminate, and control unit closes No. 2 solenoid valves, No. 3 solenoid valves, control unit
It is executed by the program of setting and rushes osmosis filtration unit or control unit execution water program processed by force；
Time as rushed the setting of osmosis filtration unit by force then then opens No. 1 solenoid valve, water pump, drain valve, Qiang Chongshi
Between for numerical value between 0-300 second, rushing the time by force terminates, control unit closing No. 1 solenoid valve, water pump, drain valve；Open No. 2 electricity
Magnet valve, No. 3 solenoid valves, opening time are set as numerical value between 0-100 seconds, and the opening time arrives, and close No. 2, No. 3 solenoid valves；It opens
Open No. 1 solenoid valve, water pump；Make into water conservancy project processed；
Above step 1 and step 2 circulation, which are executed, expires standby mode up to water purifier is in water；As rushed osmosis filtration list by force
Member setting has not timed out, then executes water working condition processed, above step 1 and the execution of step 2 circulation are until water expires standby mode.
The embodiment of the present invention has the following beneficial effects:
One of method of reutilizing wastewater: control unit is by the program starting waste water recoil of setting or square impact primary filter unit
The silt impurity that filter core retains filter core is discharged by sewage draining exit and realizes waste water reuse, is reduced miscellaneous with tap water filter cartridge flushing
Matter.
The two of method of reutilizing wastewater: domestic water is connected to wastewater pressure water butt automatic when using domestic water
Waste water is used in mixed way with domestic water by a certain percentage.
The effluent of water purifier institute can not be limited by space, usage scenario for both the above methods, realizes waste water
Recycle this waste water reuse water system of nil waste without human intervention, it is simple and convenient than backwashing primary filter core saving with water purification
90% water resource and flushing effect is good, extends primary filter core service life and reduces replacement number less filter element replacing rubbish indirectly
Rubbish.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural representation for intelligent waste water reuse water purifier that the preferable real-time mode of the present invention first provides
Figure；
Fig. 2 is a kind of intelligent waste water reuse water purifier structure schematic diagram that the first preferable real-time mode of the invention provides.
Diagram are as follows:
1 is No. 1 solenoid valve, 2 be No. 2 solenoid valves, 3 be No. 3 solenoid valves, 4 be water pump, 5 be drain valve 6 be primary filter list
Member, 7 be activated carbon adsorption filter element, 8 be osmosis filtration unit, 9 be pure water detection probe, 10 be No. 1 high-voltage switch gear, 11
It is wastewater pressure water butt for No. 1 check valve, 12,13 be No. 2 check valves, 14 be control unit, 15 is No. 2 high-voltage switch gears, 16
It is flow sensor for No. 3 check valves, 17,18 be the first waste pipe, 19 be the second waste pipe, 20 be wastewater outlet, 21 is
Three waste pipes, 22 be No. 5 check valves, 101 be primary filter unit water inlet, 102 be sewage draining exit, 103 be water purification mouth, 104 be
Osmosis filtration unit water inlet, 105 be pure water delivery outlet, 106 be concentrated water delivery outlet, 107 be wastewater pressure water butt disengaging
The mouth of a river, 108 be wastewater pressure water butt pressure relief opening, 999 be pure water pressure pot, 555 be the first pure water pipe, 666 be the second pure water
Pipe, 333 be pure water outlet, 888 be No. 4 solenoid valves, 777 be No. 5 check valves.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first ", " second ", " third " and " in the attached drawing
Four " etc. are not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and it
Any deformation, it is intended that cover and non-exclusive include.Such as it contains the process, method of a series of steps or units, be
System, product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or list
Member, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Refering to fig. 1, a kind of intelligent waste water reuse water purification provided as shown in Figure 1 for the first preferable real-time mode of the invention
Machine structural schematic diagram, including 8, No. 2 No. 1 solenoid valve 1, primary filter unit 6, drain valve 5, water pump 4, osmosis filtration unit electricity
Magnet valve 2, No. 1 solenoid valve 1 are located on the intake tunnel of primary filter unit 6, and No. 2 solenoid valves 2 connect primary filter
The sewage draining exit 102 of unit 6,1 water outlet of No. 1 solenoid valve connect 6 water inlet 101 of primary filter unit, the water purification mouth 103
It is connect with osmosis filtration unit water inlet 104,8 intake tunnel of osmosis filtration unit is equipped with water pump 4, the reverse osmosis
Saturating filter element concentrated water delivery outlet 106 connects 5 water outlet of drain valve described in 5 water inlet end of drain valve and connects wastewater pressure water butt 12
Intake-outlet 107, the pure water delivery outlet 105 connect No. 1 high-voltage switch gear 10 and pure water detection probe 9；First waste pipe
18 one end connect wastewater pressure water butt intake-outlet 107, and the other end is connected to water purification mouth 103 and and/or primary filter unit
Water inlet, first waste pipe 18 are equipped with 13, No. 3 solenoid valves 3 of No. 2 check valves, the concentrated water delivery outlet 106 and drain valve 5
Between channel on be sequentially connected 11, No. 2 high-voltage switch gears 15 of No. 1 check valve, 19 one end of the second waste pipe connection first is useless
18 other end of water pipe is connect by No. 3 check valves 16, flow sensor 17 with wastewater outlet 20, the wastewater pressure water butt 12
Equipped with pressure relief opening 108, described control unit 14 connects each electric elements of water purifier by harness；Described 21 one end of third waste pipe
Connection 108 one end of pressure relief opening is connected on 6 water inlet of primary filter unit, 101 channel or the water inlet end channel of water pump 4, and described the
Three waste pipes 21 are equipped with No. 5 check valves 22.
A kind of intelligent waste water reuse water purifier structure that the preferable real-time mode of the present invention first provides is illustrated in figure 2 to show
Meaning, Fig. 2 includes 666, No. 5 pure water pressure pot 999, the first pure water pipe 555, the second pure water pipe check valves 777, first pure water
555 one end of pipe connects 105 one end of pure water delivery outlet and connects pure water outlet 333,999 intake-outlet of pure water pressure pot connection the
One pure water pipe 555,666 one end of the second pure water pipe connection, 999 intake-outlet one end of pure water pressure pot are connected to reverse osmosis transmission
It filters on 8 intake tunnel of unit, second pure water pipe 666 is equipped with 888, No. 5 check valves 777 of No. 4 solenoid valves.
It is attached:
Experiment test table:
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because
According to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, embodiment described in this description belongs to alternative embodiment, and related actions and modules is not necessarily of the invention
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of the unit, it is only a kind of
Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit,
It can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also be realized in the form of software program module.
If the integrated unit is realized in the form of software program module and sells or use as independent product
When, it can store in a computer-readable access to memory.Based on this understanding, technical solution of the present invention substantially or
Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products
Reveal and, which is stored in a memory, including some instructions are used so that a computer equipment
(can be personal computer, server or network equipment etc.) executes all or part of each embodiment the method for the present invention
Step.And memory above-mentioned includes: USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), mobile hard disk, magnetic or disk.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can store in a computer-readable memory, memory
May include: flash disk, read-only memory (English: Read-Only Memory, referred to as: ROM), random access device (English:
Random Access Memory, referred to as: RAM), disk or CD etc..
The embodiment of the present invention has been described in detail above, specific case used herein to the principle of the present invention and
Embodiment is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas；
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the present invention
There is change place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of intelligence waste water reuse water purifier, the water purifier includes: primary filter unit, osmosis filtration unit, control
Unit processed, wastewater pressure water butt, the first waste pipe, the output end of the osmosis filtration unit include: pure water delivery outlet and
Concentrated water delivery outlet, the primary filter unit be equipped with water inlet, water purification mouth and sewage draining exit, the primary filter unit water purification mouth with
The connection of osmosis filtration unit water inlet, the osmosis filtration unit concentrated water delivery outlet connect wastewater pressure water butt Inlet and outlet water
Mouthful, first waste pipe one end connects wastewater pressure water butt intake-outlet, and the first waste pipe other end is connected to just
Grade filter element water purification mouth and/or primary filter unit water inlet.
2. a kind of intelligent waste water reuse water purifier according to claim 1, which is characterized in that the concentrated water delivery outlet with
Wastewater pressure water butt intake-outlet connects, and is successively arranged No. 1 check valve, drain valve, the primary filter list on interface channel
First sewage draining exit connects No. 2 solenoid valve water inlet ends, and No. 2 solenoid valve water outlets are vented, and is successively arranged 2 on first waste pipe
Number check valve, No. 3 solenoid valves.
3. a kind of intelligent waste water reuse water purifier according to claim 2, which is characterized in that No. 1 solenoid valve is set
On the primary filter unit water inlet end channel, the water pump is located on osmosis filtration unit water inlet end channel.
4. a kind of intelligent waste water reuse water purifier according to claim 3, which is characterized in that the third waste pipe one
End connection wastewater pressure bucket relief valve one end is connected to primary filter unit water inlet end channel, and the third waste water tunnel is equipped with
No. 5 check valves, second waste pipe one end connects the first waste pipe other end and connects wastewater outlet, on second waste pipe
Equipped with No. 3 check valves, flow sensors.
5. a kind of intelligent waste water reuse water purifier according to claim 4, which is characterized in that the above primary filter
Unit water inlet, water purification mouth, sewage draining exit and each waste pipe, pure water mouth, concentrated water spout are all made of integrating water route integrated structure.
6. a kind of intelligent waste water reuse water purifier according to claim 1, which is characterized in that first pure water pipe is set
There is No. 1 high-voltage switch gear, the pure water pressure pot intake-outlet connects the first pure water pipe, and second pure water pipe one end connects pure water
Pressure pot intake-outlet, the other end are connected on osmosis filtration unit water inlet end channel, and second pure water pipe is equipped with No. 5
Check valve, No. 4 solenoid valves.
7. a kind of intelligent waste water reuse water purifier according to claim 1, which is characterized in that described control unit is collection
At the circuit control panel control water pump, No. 1 solenoid valve, No. 2 solenoid valves, No. 3 solenoid valves, water pump, No. 1 high-voltage switch gear and No. 2
High-voltage switch gear, drain valve.
8. a kind of a kind of control method of intelligent waste water reuse water purifier as described in claim 1-7 any one, described
Method includes the following steps:
Step 1: when the time that wastewater pressure bucket pressure reaches setting value or waste water recoils, square impact primary filter unit is set to control
Unit processed closes No. 1 solenoid valve, water pump；No. 2 solenoid valves, No. 3 solenoid valves are opened, recoil, square impact time are set as the 0-300 second
Between numerical value；
Step 2: the recoil or square impact time terminate, and control unit closes No. 2 solenoid valves, No. 3 solenoid valves, and control unit is by setting
Fixed program, which executes, rushes by force osmosis filtration unit or control unit execution water program processed；
Time as rushed the setting of osmosis filtration unit by force then then opens No. 1 solenoid valve, water pump, drain valve, and rushing the time by force is
Numerical value between 0-300 seconds, rushing the time by force terminates, and control unit closes No. 1 solenoid valve, water pump, drain valve；Open No. 2 solenoid valves,
No. 3 solenoid valves, opening time are set as numerical value between 0-100 seconds, and the opening time arrives, and close No. 2, No. 3 solenoid valves；Open No. 1
Solenoid valve, water pump；Make into water conservancy project processed；
Above step 1 and step 2 circulation, which are executed, expires standby mode up to water purifier is in water；It is set as rushed osmosis filtration unit by force
It is fixed to have not timed out, then water working condition processed is executed, above step 1 and step 2 circulation are executed up to water expires standby mode.
9. according to the method described in claim 8, it is characterized in that, the water purifier is when water conservancy project processed is made or the concentrated water of setting is anti-
Rush the time then, when flow sensor detects that the amount of concentrated water discharge and discharge reaches the flow value of setting, the flow value
The numerical value being set as between 50 to 10000 milliliters, control unit continue to execute water program processed.
10. according to the method described in claim 9, control unit is pressed it is characterized in that, the water purifier expires standby mode in water
The program of setting opens No. 2, No. 3 solenoid valves, drain valve, No. 4 solenoid valves, and the opening time is numerical value between 0-40 seconds, when unlatching
Between arrive, close No. 2, No. 3, No. 4 solenoid valves, drain valves, water purifier, which enters water program processed or water, at this time expires standby mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134169.9A CN109721181A (en) | 2019-02-22 | 2019-02-22 | Intelligent waste water reuse water purifier and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134169.9A CN109721181A (en) | 2019-02-22 | 2019-02-22 | Intelligent waste water reuse water purifier and control method |
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| CN109721181A true CN109721181A (en) | 2019-05-07 |
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| CN201910134169.9A Pending CN109721181A (en) | 2019-02-22 | 2019-02-22 | Intelligent waste water reuse water purifier and control method |
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| CN113625655A (en) * | 2021-08-20 | 2021-11-09 | 姜焕晓 | PLC computer logic control method of whole-house water purifier |
| WO2023207027A1 (en) * | 2022-04-29 | 2023-11-02 | 安徽贝驰生物科技有限公司 | Water purifier system |
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