CN215855550U - Concentrated water recycling device of water purifying and drinking machine - Google Patents
Concentrated water recycling device of water purifying and drinking machine Download PDFInfo
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- CN215855550U CN215855550U CN202121029099.XU CN202121029099U CN215855550U CN 215855550 U CN215855550 U CN 215855550U CN 202121029099 U CN202121029099 U CN 202121029099U CN 215855550 U CN215855550 U CN 215855550U
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Abstract
The utility model discloses a concentrated water recycling device of a purified water dispenser, which comprises: a tap water receiving end; a water purification unit including a reverse osmosis filtration device or an electrodialysis device to separate tap water from a tap water receiving end into a pure water part and a concentrated water part; and the acid-base module is used for receiving the concentrated water generated by the water purification unit or receiving the mixed water of the concentrated water and the tap water at the tap water receiving end, and separating out acidic water and alkaline water, so that the electrolysis efficiency is improved, the concentrated water is effectively recycled, the water resource is saved, and the environmental pollution is reduced.
Description
Technical Field
The utility model relates to the technical field of concentrated water recycling equipment, in particular to a concentrated water recycling device of a water purifying and drinking machine.
Background
The acid-base water has different functions in life, but if tap water is directly electrolyzed, the electrolysis efficiency is low due to the low ion concentration in the water, and if an additional salt box is adopted for electrolysis, extra material consumption is required, so that the method is not environment-friendly and is not economical; concentrated water generated by the traditional household water purifying and drinking machine can only be discharged or used for mopping the floor to flush a toilet and the like, ions in the water are not effectively utilized, and waste of water resources is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a concentrated water recycling device of a water purifying and drinking machine, which has the advantages of improving the electrolysis efficiency and effectively utilizing the concentrated water.
In order to achieve the above object, the present invention provides a concentrated water recycling device for a water purification and drinking machine, comprising:
a tap water receiving end;
a water purification unit including a reverse osmosis filtration device or an electrodialysis device to separate tap water from a tap water receiving end into a pure water part and a concentrated water part; and
and the acid-base module is used for receiving the concentrated water generated by the water purification unit or receiving mixed water of the concentrated water and tap water at a tap water receiving end, and separating acidic water and alkaline water.
In the embodiment of the utility model, the tap water receiving end is connected with the acid water outlet end and/or the alkaline water outlet end of the acid-base module.
In the embodiment of the utility model, the concentrated water recycling device further comprises a detection unit and a control unit which are electrically connected, the detection unit and the acid-base module are electrically connected with the control unit, the water purification unit comprises a concentrated water outlet end and a pure water outlet end, a first pipeline is arranged between the concentrated water outlet end and the acid-base module, and the detection unit is arranged in the first pipeline, the acid water outlet end and/or the alkaline water outlet end.
In an embodiment of the present invention, the detection unit includes a TDS detection device disposed on the first pipeline and a pH detection device disposed on the acidic water outlet end and/or the alkaline water outlet end.
In the embodiment of the utility model, the concentrated water recycling device further comprises a water mixing unit and a tap water branch pipe, wherein one end of the water mixing unit is connected with the water purifying unit, and the other end of the water mixing unit is connected with the acid-base module;
one end of the tap water branch pipe is connected with the tap water receiving end, the other end of the tap water branch pipe is connected with the water mixing unit, and a first flow valve electrically connected with the control unit is arranged on the tap water branch pipe.
In the embodiment of the utility model, the concentrated water recycling device further comprises a tap water branch pipe, one end of the tap water branch pipe is connected with the tap water receiving end, the other end of the tap water branch pipe is connected with the acid water outlet end and/or the alkaline water outlet end, and the tap water branch pipe is provided with a first flow valve electrically connected with the control unit.
In an embodiment of the present invention, the concentrated water reuse apparatus further includes a water storage unit disposed on the first pipe, and a pressurizing device disposed on the first pipe and downstream of the water storage unit.
In an embodiment of the utility model, the acid-base module comprises at least one of an electrolysis module, a bipolar membrane module, a resin module, or an acid-base rod module.
In the embodiment of the utility model, the concentrated water recycling device further comprises a second pipeline, a tap water branch pipe and a first four-way reversing valve, wherein the first four-way reversing valve comprises a first port, a second port, a third port and a fourth port, the first port is connected with the acid water outlet end, the second port is connected with the alkaline water outlet end, the third port is connected with the second pipeline, and the fourth port is connected with the tap water branch pipe.
In the embodiment of the utility model, the concentrated water recycling device also comprises a second four-way reversing valve, the second four-way reversing valve comprises a fifth port, a sixth port, a seventh port and an eighth port, the fifth port is connected with the pure water outlet end, the sixth port is connected with the concentrated water outlet end, the seventh port is connected with the first pipeline (4), and the eighth port is connected with the water outlet end of the pure water dispenser.
Through above-mentioned technical scheme, the concentrated water of the production with water purification unit is as the water inlet source of acid-base module to carry out high-efficient electrolysis to concentrated water and produce acid water and alkaline water, improved the electrolytic efficiency, carried out effectual recycle to concentrated water, practiced thrift the water resource, still reduced environmental pollution.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the embodiments of the utility model without limiting the embodiments of the utility model. In the drawings:
FIG. 1 is a schematic diagram showing a first configuration of a concentrated water reusing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing a second configuration of the concentrated water reusing apparatus according to the embodiment of the present invention;
fig. 3 is a schematic diagram showing a third configuration of the concentrated water reusing device in the embodiment of the present invention.
Description of the reference numerals
1 Water purification Unit 101 first Water intake
102 first water outlet 103 fifth water outlet
104 reverse osmosis filter device 105 electrodialysis device
2 concentrated water treatment unit 201 electrolysis module
202 second water inlet 203 second water outlet
204 fourth water outlet 3 detection unit
301 TDS check out test set 302 pH check out test set
4 first pipeline 401 first branch
402 second branch 5 second line
6 tap water branch pipe 601 first flow valve
Third water inlet of 7 water mixing unit 701
702 fourth water inlet 703 third water outlet
8 water storage unit 9 third pipeline
10 fourth pipeline 11 tap water receiving end
12 fifth line 13 second flow valve
14 third flow valve 15 fourth flow valve
16 fifth flow valve 17 sixth flow valve
18 seventh flow valve 19 supercharging device
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the utility model, are given by way of illustration and explanation only, not limitation.
Note that, if directional indications (such as up, down, left, right, front, and rear … …) are referred to in the embodiments of the present application, the directional indications are merely used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between the various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
The utility model provides a novel concentrated water recycling device of a water purifying and drinking machine, wherein the water purifying and drinking machine is a household appliance capable of processing tap water into pure water with one part being used for drinking and concentrated water with higher TDS (total dissolved solids). Specifically, as shown in fig. 1 to 3, the concentrated water recycling device includes a tap water receiving end 11, a water purifying unit 1 and an acid-base module 2, wherein a first end of the tap water receiving end 11 is connected with a tap water source for providing tap water; the water purification unit 1 is provided with a first water inlet 101, a first water outlet 102 and a fifth water outlet 103, the first water inlet 101 is connected with a second end of the tap water receiving end 11, so that tap water in the tap water receiving end 11 enters the water purification unit 1, the water purification unit 1 in the embodiment is arranged in a water purification machine, and the water purification unit 1 comprises a reverse osmosis filter device 104 or an electrodialysis device 105, and can purify the tap water entering the water purification unit so as to separate the tap water from the tap water receiving end 11 into a pure water part and a concentrated water part. The concentrated water recycling device in the embodiment further comprises a fourth pipeline 10, a first end of the fourth pipeline 10 is connected with the fifth water outlet 103, a second end of the fourth pipeline 10 is connected with the water outlet end of the water purifying and drinking machine, and pure water generated by the water purifying unit 1 flows out from the fifth water outlet 103 and reaches the water outlet end of the water purifying and drinking machine through the fourth pipeline 10, so that the pure water purified by the water purifying unit 1 is provided for users to drink, and the drinking water of the users is clean, sanitary and safe; because a large amount of bacteria or harmful ions exist in the concentrated water generated by the water purification unit 1, the concentrated water generated by the water purification unit 1 is not suitable for direct use or discharge so as to avoid harming the health of users or polluting the environment, and in order to solve the above problems, in the embodiment, the concentrated water recycling system is provided with the acid-base module 2 for receiving the concentrated water generated by the water purification unit 1 or receiving the mixed water of the concentrated water and the tap water at the tap water receiving end, so as to electrolyze the concentrated water or the mixed water to separate the acidic water and the alkaline water. The concentrated water recycling device in the embodiment takes the concentrated water generated by the water purifying unit 1 as a water inlet source of the acid-base module 2, so that the concentrated water is efficiently electrolyzed to generate acidic water and alkaline water, the electrolysis efficiency is improved, the concentrated water is effectively recycled, the water resource is saved, and the environmental pollution is reduced.
In the embodiment of the present invention, the tap water receiving end 11 is connected to the acidic water outlet end and/or the alkaline water outlet end of the acid-base module 2.
It is understood that the acidic water generated by the acid-base module 2 can be used for washing hands or bathing and protecting skin; the alkaline water has better degreasing performance and can be used for washing clothes or dishes, so that the acid water outlet end and/or the alkaline water outlet end of the acid-base module 2 can be connected with the water inlet ends of different household products. In an embodiment of the present invention, the acid-base module 2 further includes a second water outlet 203 and a fourth water outlet 204, wherein the second water outlet 203 is connected to the acidic water outlet end of the acid-base module 2 for discharging acidic water; the fourth water outlet 204 is connected with the alkaline water outlet end of the acid-base module 2 and is used for discharging alkaline water. The concentrated water recycling device also comprises a second pipeline 5 and a third pipeline 9, wherein the first end of the second pipeline 5 is connected with the second water outlet 203, and the second end of the second pipeline 5 is connected with the water inlet end of the household product for acidic water; the first end of the third pipe 9 is connected to the fourth outlet 204 and the second end of the third pipe 9 is connected to the inlet of the household product for alkaline water. The user can selectively connect one of the second pipeline 5 or the third pipeline 9 with the water inlet end of the household product according to actual needs so as to recycle the acidic water or the alkaline water, and discharge the water in the other pipeline.
It can be understood that if a user needs to recycle the acidic water, the concentration of the acidic water generated after the electrolysis of the acid-base module 2 is relatively high, and the acidic water cannot be directly used, so that the tap water receiving end 11 is connected with the acidic water outlet end of the acid-base module 2, and the tap water and the acidic water are mixed to reduce the concentration of the acidic water; similarly, if the user needs to reuse the alkaline water, and the concentration of the alkaline water generated after the electrolysis of the acid-base module 2 is relatively high, and the alkaline water is not suitable for direct use, the tap water receiving end 11 is connected with the alkaline water outlet end of the acid-base module 2, so that the tap water and the alkaline water are mixed to reduce the concentration of the alkaline water.
Further, in an embodiment of the present invention, as shown in fig. 1, a fourth flow valve 15 electrically connected to the control unit is disposed on the second pipeline 5, and the control unit controls the fourth flow valve 15 to control the flow rate and the flow rate of the acidic water in the second pipeline 5; a fifth flow valve 16 electrically connected with the control unit is arranged on the third pipeline 9, and the control unit controls the fifth flow valve 16 to control the flow speed and flow of the alkaline water in the third pipeline 9; the tap water receiving end 11 is provided with a sixth flow valve 17 electrically connected with the control unit, and the control unit controls the sixth flow valve 17 to control the flow speed and flow rate of the tap water entering the water purification unit 1.
In the embodiment of the utility model, the concentrated water recycling device further comprises a detection unit 3 and a control unit which are electrically connected, the water purification unit 1 comprises a concentrated water outlet end and a pure water outlet end, a first pipeline 4 is arranged between the concentrated water outlet end and the acid-base module 2, and the detection unit 3 is arranged on the first pipeline 4, the acidic water outlet end and/or the alkaline water outlet end.
It is understood that in one embodiment of the present invention, the first water outlet 102 of the water purifying unit 1 is a concentrated water outlet end for discharging the concentrated water generated after purification; the fifth water outlet 103 of the water purification unit 1 is a pure water outlet end and is used for discharging purified pure water; the concentrated water recycling device also comprises a first pipeline 4, wherein the first end of the first pipeline 4 is connected with a first water outlet 102; the acid-base module 2 comprises a second water inlet 202, the second end of the first pipeline 4 is connected with the second water inlet 202 of the acid-base module 2, and concentrated water generated by the water purification unit 1 flows out through the first water outlet 102 and flows through the first pipeline 4 to reach the acid-base module 2 for efficient electrolysis, so that the concentrated water is electrolyzed and separated into acidic water and alkaline water. When the detection unit 3 is arranged on the first pipeline 4, the detection unit can detect (for example, detect TDS or pH) of the water flowing through the first pipeline 4, that is, detect the previous concentrated water entering the acid-base module 2; when the detection unit 3 is disposed at the acidic water outlet end and/or the alkaline water outlet end, specifically, when the detection unit 3 is disposed on the second pipeline 5 and/or the third pipeline 9 in this embodiment, the detection unit 3 can detect the acidic water and/or the alkaline water after the acid-base module 2 is electrolyzed, and the detection unit 3 in this embodiment may also be disposed only on a pipeline connected to the water inlet end of the next household product according to the actual use requirement of the user, so as to detect the water entering the water inlet end of the next household product.
It can be understood that, in an embodiment of the present invention, the detection unit 3, the acid-base module 2, and the control unit are electrically connected to form a control feedback, that is, the detection unit 3 transmits the detection result to the control unit after the detection is completed, and the control unit controls the acid-base module 2 according to the detection result, so that the electrolyzed acidic water or alkaline water can better meet the use requirement of the user.
In an embodiment of the present invention, the detection unit 3 includes a TDS detection device 301 and a pH detection device 302, the TDS detection device 301 is disposed on the first pipeline 4, and the pH detection device 302 is disposed at an acid water outlet end and/or a basic water outlet end.
It is understood that TDS refers to total dissolved solids, defined as the total amount of various soluble mineral salts in the water, including inorganic salts and organic matter, and that the TDS detection device 301 is capable of detecting conductivity values in the water; the pH refers to the degree of acidity or alkalinity of the aqueous solution, and the pH detection device 302 can detect the pH value of the aqueous solution and react the degree of acidity or alkalinity of the aqueous solution. In one embodiment of the utility model, a TDS detection device 301 is arranged on the first piping 4 to detect the conductivity value of the concentrate in the first piping 4 and to transmit the detection result to the control unit after the detection is completed.
In an embodiment of the present invention, the pH detecting device 302 is disposed on the second pipeline 5 and/or the third pipeline 9 to detect the pH value of the acidic water in the second pipeline 5 and/or the alkaline water in the third pipeline 9, and transmit the detection result to the control unit, and the control unit adjusts the voltage across the acid-base module 2 according to the detection result to ensure that the pH value of the electrolyzed acidic water and/or alkaline water can meet the use requirement of the user.
In the embodiment of the utility model, the concentrated water recycling device further comprises a water storage unit 8 and a pressurizing device 19, wherein the water storage unit 8 is arranged on the first pipeline 4, and the pressurizing device 19 is arranged on the first pipeline 4 and is positioned at the downstream of the water storage unit 8.
It can be understood that the first pipeline 4 includes a first branch 401 and a second branch 402, the water storage unit 8 in this embodiment is a water tank, a first end of the first branch 401 is connected to the second water outlet 202 of the water purification unit 1, and a second end of the first branch 401 is connected to the water inlet of the water storage unit 8, so that the concentrated water coming out of the water purification unit 1 can be temporarily stored in the water storage unit 8; the first end of the second branch 402 is connected with the water outlet of the water storage unit 8, and the second end of the second branch 402 is connected with the second water inlet 202 of the acid-base module 2, so that the concentrated water from the water storage unit 8 can enter the acid-base module 2 for electrolysis; the TDS detection device 301 is disposed on the second branch 402 for detecting TDS of the concentrated water coming out of the water storage unit 8.
Further, a second flow valve 13 electrically connected with the control unit is arranged on the first branch 401, and the control unit controls the second flow valve 13 to control the flow speed and flow rate of the concentrated water in the first branch 401; the second branch 402 is provided with a third flow valve 14 electrically connected with the control unit, and the control unit controls the third flow valve 14 to control the flow speed and flow rate of the concentrated water in the second branch 402.
The pressurizing device 19 in this embodiment is a pressurizing pump disposed on the second branch 402, and is configured to pressurize the concentrated water in the second branch 402, so as to prevent the concentrated water in the second branch 402 from entering the acid-base module 2 quickly and smoothly due to insufficient pressure.
In an embodiment of the present invention, the water storage unit 8 is further provided with an ultraviolet sterilization device for sterilizing the concentrated water temporarily stored in the water storage unit 8, so as to ensure water safety and prevent the concentrated water from being reused due to too many bacteria, and if the reused concentrated water is used for washing dishes or clothes, the health of the user may be damaged due to too many bacteria carried on the bowls or clothes.
In the embodiment of the present invention, the concentrated water recycling device further includes a fifth pipeline 12, a first end of the fifth pipeline 12 is connected to the first branch 401 on the first pipeline 4, a second end of the fifth pipeline 12 is connected to the outside, and the fifth pipeline 12 is provided with a seventh flow valve 18 electrically connected to the control unit, when the water storage unit 8 is full of concentrated water and water can not be fed into the water storage unit, the control unit can control the seventh flow valve 18 to open, so that the concentrated water coming out of the water purification unit 1 is discharged out of the concentrated water recycling device through the fifth pipeline 12.
In the embodiment of the utility model, the concentrated water recycling device further comprises a water mixing unit 7 and a tap water branch pipe 6, wherein one end of the water mixing unit 7 is connected with the water purifying unit 1, and the other end of the water mixing unit 7 is connected with the acid-base module 2;
one end of the tap water branch pipe 6 is connected with the tap water receiving end 11, the other end of the tap water branch pipe 6 is connected with the water mixing unit 7, and the tap water branch pipe 6 is provided with a first flow valve 601 electrically connected with the control unit.
It can be understood that, in an embodiment of the present invention, the concentrated water recycling device further includes a water mixing unit 7, the water mixing unit 7 in this embodiment is a water mixing tank disposed on the second branch 402, the water mixing unit 7 includes a third water inlet 701 and a third water outlet 703, and the concentrated water discharged from the water storage unit 8 firstly enters the water mixing unit 7 through the third water inlet 701, and then flows out of the third water outlet 703 of the water mixing unit 7 and enters the acid-base module 2 for electrolysis.
The concentrated water recycling device further comprises a tap water branch pipe 6, the water mixing unit 7 further comprises a fourth water inlet 702, the first end of the tap water branch pipe 6 is connected with a tap water receiving end 11, the second end of the tap water branch pipe 6 is connected with the fourth water inlet 702, tap water can enter the water mixing unit 7 through the tap water branch pipe 6 and is mixed with concentrated water discharged from the water purifying unit 1, so that the ion concentration in the concentrated water is reduced, the mixed TDS stable water enters the acid-base module 2 again for electrolysis, the concentrations of the acid water and the alkaline water electrolyzed by the acid-base module 2 are indirectly reduced, and the electrolyzed acid water and/or alkaline water can better meet the use requirements of users.
In an embodiment of the present invention, the tap water branch pipe 6 is provided with a first flow valve 601, and the control unit can control the on-off or the flow rate of the tap water in the tap water branch pipe 6 by controlling the opening or closing or the opening degree of the first flow valve 601, so as to control the flow rate and/or the flow velocity of the tap water entering the water mixing unit 7; further, the control unit can jointly control the first flow valve 601 and the pressure boosting device 19 according to the TDS detection result of the TDS detection device 301 on the concentrated water in the second pipeline 5, so that the concentrated water and tap water in the water tank can enter the mixed water tank at a set flow rate and a set proportion to be mixed, the mixed water TDS is stable, and the continuous change of current or voltage in the acid-base module 2 is avoided, so that the electrolysis cannot be stably performed.
In the embodiment of the present invention, the concentrated water recycling device further includes a tap water branch pipe 6, one end of the tap water branch pipe 6 is connected to the tap water receiving end 11, the other end of the tap water branch pipe 6 is connected to the acidic water outlet end and/or the alkaline water outlet end, and the tap water branch pipe 6 is provided with a first flow valve 601 electrically connected to the control unit.
It can be understood that, as shown in fig. 2-3, in another embodiment of the present invention, the second branch 402 is not provided with the water mixing unit 7, but connects the first end of the tap water branch pipe 6 with the tap water receiving end 11, the second end of the tap water branch pipe 6 is directly connected with the second pipeline 5, so that the tap water can be mixed with the acidic water generated by the acid-base module 2 through the tap water branch pipe 6 to reduce the concentration of the acidic water, and the control unit further adjusts the on-off or flow rate of the tap water by controlling the first flow valve 601, so as to more accurately adjust the concentration of the acidic water to meet the requirement of the acidic water of the user;
similarly, the second end of the tap water branch pipe 6 can be directly connected with the third pipeline 9, so that tap water can be mixed with alkaline water generated by the tap water branch pipe 6 and the acid-base module 2 to reduce the concentration of the alkaline water, and the control unit further adjusts the on-off or flow rate of the tap water by controlling the first flow valve 601, so as to more finely adjust the concentration of the alkaline water to meet the alkaline water requirement of a user.
In an embodiment of the utility model, the water purification unit 1 comprises at least one of a reverse osmosis filtration device 104 or an electrodialysis device 105.
It can be understood that the reverse osmosis filter 104 mainly uses the reverse osmosis principle to perform water treatment, i.e. the selective permeability that selective membrane can only permeate water but can not permeate solute is used to separate water molecules from solute, in one embodiment of the present invention, the reverse osmosis filter 104 includes three parts of AC, UF and RO, where AC is activated carbon, which can absorb fine substances in water, and is commonly used for decoloration, deodorization, dechlorination, removal of organic matters and heavy metals, removal of synthetic detergents, bacteria, viruses, radioactivity and other pollutants in water treatment; UF is ultrafiltration, which can effectively treat water containing water-soluble biological macromolecules, organic colloid, polysaccharide, microorganisms and the like; RO is reverse osmosis, and is a membrane separation operation which uses pressure difference as driving force to separate solvent from solution, and can effectively remove calcium, magnesium, bacteria, organic matter, inorganic matter, metal ions and radioactive substance, etc. from water, and the crystal purified by said equipment is clear and sweet and mellow.
The electrodialysis device 105 works on the principle that charged solute particles (e.g., ions) in water migrate through a membrane to purify water when dialysis is performed under the action of an electric field.
In the embodiment of the utility model, the concentrated water recycling device further comprises a second pipeline 5, a tap water branch pipe 6 and a first four-way reversing valve, wherein the first four-way reversing valve comprises a first port, a second port, a third port and a fourth port, the first port is connected with the acidic water outlet end, the second port is connected with the alkaline water outlet end, the third port is connected with the second pipeline 5, and the fourth port is connected with the tap water branch pipe 6.
It is understood that in one embodiment of the present invention, if only the second pipeline 5 is provided in the concentrated water recycling device as the water inlet end of the household product, the acid-base switching of the water entering the second pipeline 5 can be realized by providing the first four-way reversing valve at the two water outlet ends of the acid-base module 2. Specifically, the first four-way reversing valve is electrically connected with the control unit and comprises a first port, a second port, a third port and a fourth port, wherein the first port is connected with a second water outlet 203 of the acid-base module 2, the second port is connected with a fourth water outlet 204 of the acid-base module 2, the third port is connected with the second pipeline 5, and the fourth port is connected with the tap water branch pipe 6; when the acidity and alkalinity of water in the second pipeline 5 need to be switched, the second port and the third port of the first four-way reversing valve are communicated, the first port and the fourth port are communicated, alkaline water enters the water inlet end of a household product from the second pipeline 5 at the moment, and acidic water is discharged from the third pipeline 9.
In an embodiment of the present invention, the concentrated water reusing device further includes a second direction valve, the second four-way direction valve includes a fifth port, a sixth port, a seventh port and an eighth port, the fifth port is communicated with the first water outlet 102, the sixth port is communicated with the fifth water outlet 103, the seventh port is communicated with the first pipeline 4, and the eighth port is communicated with the fourth pipeline 10.
It can be understood that, when the water purification unit 1 adopts the electrodialysis device 105, because the electrodialysis device 105 has the conducting electrode source electrodes with the positive electrodes and the negative electrodes capable of being switched with each other, and further the concentrated water outlet end and the pure water outlet end of the water purification unit 1 can be switched with each other, the two water outlet ends of the water purification unit 1 are provided with the second four-way reversing valve electrically connected with the control unit, and the fifth port and the seventh port of the second four-way reversing valve are controlled to be communicated with each other all the time, and the sixth port and the eighth port are controlled to be communicated all the time, so that the concentrated water coming out of the water purification unit 1 always enters the first pipeline 4, and the pure water coming out of the water purification unit 1 always enters the fourth pipeline 10. Further, if a common power source is used in the electrodialysis device 105 instead of a non-conductive power source, a second four-way reversing valve may not be needed as the case may be.
In an embodiment of the present invention, the acid-base module 2 comprises at least one of an electrolysis module 201, a bipolar membrane module, a resin module or an acid-base rod module, each of which is capable of electrolyzing concentrated water or mixed water according to a respective working principle to separate acidic water and alkaline water.
In the concentrated water recycling device shown in fig. 1 of the present invention, tap water enters the water purification unit 1 through the tap water receiving end 11 for purification, the water purification unit 1 is the reverse osmosis filtration device 104, pure water generated after the tap water is purified by the reverse osmosis filtration device 104 is discharged through the fourth pipeline 10, the generated concentrated water enters the water storage unit 8 through the first branch pipe 401 in the first pipeline 4, flows out of the water storage unit 8 and flows into the water mixing unit 7 through the second branch pipe 402, the TDS detection device detects the concentrated water passing through the second branch pipe 402, and sends the detection result to the control unit;
the control unit controls the first flow valve 601 and the third flow valve 14 according to the detection result of the TDS detection device 301, so that tap water and concentrated water can enter the water mixing unit 7 at a set flow rate and a set proportion to be mixed, the mixed water enters the acid-base module 2 for electrolysis, the acid-base module 2 is an electrolysis module 201, acidic water after electrolysis flows into the water inlet end of a household product through the second pipeline 5, and alkaline water is discharged through the third pipeline 9;
the second pipeline 5 is provided with a pH detection device 302 for detecting the pH value of the water therein, and after the pH value detection is finished, the detection result is transmitted to the control unit, so that the control unit can control the current or voltage of the acid-base module 2 according to the detection result, and the pH value of the acidic water or the alkaline water in the second pipeline 5 is appropriate;
further, a fifth flow valve 16 and a fourth flow valve 15 are respectively arranged on the second pipeline 5 and the third pipeline 9, wherein the fifth flow valve 16 is used for adjusting the flow rate and the flow speed of the acidic water in the second pipeline 5, and the fourth flow valve 15 is used for adjusting the flow rate and the flow speed of the alkaline water in the third pipeline 9.
In the concentrated water recycling device shown in fig. 2 of the present invention, tap water enters a water purification unit 1 through a tap water receiving end 11 for purification, the water purification unit 1 is a reverse osmosis filtration device 104, pure water generated after the tap water is purified by the reverse osmosis filtration device 104 is discharged through a fourth pipeline 10, the generated concentrated water enters a water storage unit 8 through a first branch pipe 401 in a first pipeline 4, flows out of the water storage unit 8 and flows into an acid-base module 2 through a second branch pipe 402 for electrolysis, a TDS detection device 301 detects the concentrated water passing through the second branch pipe 402, and sends a detection result to a control unit;
the acid-base module 2 is an electrolysis module 201, and the electrolysis module 201 electrolyzes the concentrated water into acidic water and alkaline water, wherein the acidic water flows out from the second pipeline 5 and the alkaline water flows out from the third pipeline 9 in general; meanwhile, the control unit controls the first flow valve 601 according to the detection result of the TDS detection device 301, so that tap water enters the second pipeline 5 at a set flow rate and proportion to be mixed with the acidic water, so as to reduce the concentration of the acidic water;
the second pipeline 5 is provided with a pH detection device 302 for detecting the pH value of the water mixed by the acidic water and the tap water, and after the pH value detection is finished, the detection result is transmitted to the control unit, so that the control unit can control the current or the voltage of the acid-base module 2 according to the detection result, and the pH value of the acidic water in the second pipeline 5 is proper; the control unit may also control the first flow valve 601 according to the detection result of the pH detection device 302 so as to more accurately adjust the pH value of the acidic water in the second pipeline 5;
further, a first four-way reversing valve is arranged between the second water inlet 203 and the fourth water outlet 204 of the acid-base module 2 and the second pipeline 5 and the third pipeline 9, so that the concentrated water recycling device can switch the acidity and the alkalinity of the water flowing out of the second pipeline 5 and the third pipeline 9 according to the actual use requirement of a user, for example, the alkaline water flows out of the second pipeline 5, and the acidic water flows out of the third pipeline 9.
In one embodiment of the present invention, as shown in fig. 3, the water purification unit 1 includes an electrodialysis device 105, the concentrated water recycling device further includes a second four-way reversing valve, the second four-way reversing valve includes a fifth port, a sixth port, a seventh port and an eighth port, the fifth port is connected with the pure water outlet end, the sixth port is connected with the concentrated water outlet end, the seventh port is connected with the first pipeline 4, and the eighth port is connected with the water outlet end of the water purification and drinking machine. Namely, the water purification unit 1 is an electrodialysis device 105 with a conductive electrode source inside, and a second four-way reversing valve is arranged between the first water inlet 102 and the fifth water outlet 103 of the water purification unit 1 and the first branch pipe 401 and the fourth pipeline 10, so that the concentrated water purified by the water purification unit 1 always flows out from the first branch pipe 401 in the first pipeline 4, and the pure water purified by the water purification unit 1 always flows out from the fourth pipeline 10 and flows to the water outlet end of the water purification and drinking machine for users to use. The working principle of the rest of the components in fig. 3 is the same as that in fig. 2, and the details are not repeated.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A concentrated water recycling device of a water purifying and drinking machine is characterized by comprising:
a tap water receiving end (11);
a water purification unit (1) comprising a reverse osmosis filtration device (104) or an electrodialysis device (105) to separate tap water from said tap water receiving end (11) into a pure water portion and a concentrated water portion; and
the acid-base module (2) is used for receiving the concentrated water generated by the water purification unit (1) or receiving mixed water of the concentrated water and tap water of the tap water receiving end (11), and acidic water and alkaline water are separated out.
2. The concentrated water recycling device of the water purifying and drinking machine as claimed in claim 1, wherein the tap water receiving end (11) is connected with the acid water outlet end and/or the alkaline water outlet end of the acid-base module (2).
3. The concentrated water recycling device of the water purifying and drinking machine according to claim 1 or 2, characterized in that the concentrated water recycling device further comprises a detection unit (3) and a control unit, the detection unit (3) and the acid-base module (2) are electrically connected with the control unit, the water purifying unit (1) comprises a concentrated water outlet end and a pure water outlet end, a first pipeline (4) is arranged between the concentrated water outlet end and the acid-base module (2), and the detection unit (3) is arranged in the first pipeline (4), the acid water outlet end and/or the alkaline water outlet end.
4. The concentrate recycling device of a water purification and drinking machine according to claim 3, characterized in that the detection unit (3) comprises a TDS detection device (301) and a pH detection device (302), the TDS detection device (301) is arranged on the first pipeline (4), and the pH detection device (302) is arranged at the acid water outlet end and/or the alkaline water outlet end.
5. The concentrated water recycling device of the water purifying and drinking machine as claimed in claim 3, characterized in that the concentrated water recycling device further comprises a water mixing unit (7) and a tap water branch pipe (6), wherein one end of the water mixing unit (7) is connected with the water purifying unit (1), and the other end of the water mixing unit (7) is connected with the acid-base module (2);
one end of the tap water branch pipe (6) is connected with the tap water receiving end (11), the other end of the tap water branch pipe (6) is connected with the water mixing unit (7), and a first flow valve (601) electrically connected with the control unit is arranged on the tap water branch pipe (6).
6. The concentrated water recycling device of the water purifying dispenser according to claim 3, further comprising a tap water branch pipe (6), wherein one end of the tap water branch pipe (6) is connected to the tap water receiving end (11), the other end of the tap water branch pipe (6) is connected to the acidic water outlet end and/or the alkaline water outlet end, and the tap water branch pipe (6) is provided with a first flow valve (601) electrically connected to the control unit.
7. The concentrated water recycling device of a water purifying dispenser according to claim 3, characterized in that the concentrated water recycling device further comprises a water storage unit (8) and a pressurizing device (19), the water storage unit (8) is arranged on the first pipeline (4), and the pressurizing device (19) is arranged on the first pipeline (4) and is located downstream of the water storage unit (8).
8. The concentrated water recycling device of the water purifying and drinking machine as claimed in claim 3, characterized in that the acid-base module (2) comprises at least one of an electrolysis module (201), a bipolar membrane module, a resin module or an acid-base rod module.
9. The concentrated water recycling device of the water purifying dispenser according to claim 8, further comprising a second pipeline (5), a tap water branch pipe (9) and a first four-way reversing valve, wherein the first four-way reversing valve comprises a first port, a second port, a third port and a fourth port, the first port is connected with the acid water outlet end, the second port is connected with the alkaline water outlet end, the third port is connected with the second pipeline (5), and the fourth port is connected with the tap water branch pipe (9).
10. The concentrated water recycling device of a water purifying dispenser according to claim 9, characterized in that the concentrated water recycling device further comprises a second four-way reversing valve, the second four-way reversing valve comprises a fifth port, a sixth port, a seventh port and an eighth port, the fifth port is connected with the pure water outlet end, the sixth port is connected with the concentrated water outlet end, the seventh port is connected with the first pipeline (4), and the eighth port is connected with the water outlet end of the water purifying dispenser.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115340154A (en) * | 2022-05-31 | 2022-11-15 | 宁波方太厨具有限公司 | Control method of electrolyzed water generation device for integrated water tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115340154A (en) * | 2022-05-31 | 2022-11-15 | 宁波方太厨具有限公司 | Control method of electrolyzed water generation device for integrated water tank |
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