CN110697847A - Method for adjusting effluent quality of EDR (extractive distillation) water purification system and EDR water purification device thereof - Google Patents
Method for adjusting effluent quality of EDR (extractive distillation) water purification system and EDR water purification device thereof Download PDFInfo
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- CN110697847A CN110697847A CN201910954206.0A CN201910954206A CN110697847A CN 110697847 A CN110697847 A CN 110697847A CN 201910954206 A CN201910954206 A CN 201910954206A CN 110697847 A CN110697847 A CN 110697847A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
Abstract
A method for adjusting the effluent quality of an EDR water purification system and an EDR water purification device thereof can adjust the applied voltage of an EDR membrane stack according to the real-time water quality information of a water outlet so as to automatically adjust the water quality. The water is also collected through a supplementary water collecting tank, a three-way valve and a supplementary water controller; when the user does not use the product water of the EDR membrane stack, the product water of the EDR membrane stack is guided into the supplementing and collecting water tank through the three-way valve, and when the user needs to use the product water, the supplementing and collecting water tank and the EDR membrane stack simultaneously supply water to the water outlet, so that the water supply pressure of the E membrane is reduced.
Description
Technical Field
The invention relates to the technical field of water purification products, in particular to a method for adjusting the effluent quality of an EDR water purification system and an EDR water purification device thereof.
Background
People's daily drinking water safety health consciousness has become stronger and stronger, and the region of china is wide, and there is certain difference in the quality of water in different areas, and the user is when using the water purifier to carry out water quality filtration, because reverse osmosis membrane in the water purifier keeps a fixed value to the entrapment proportion of aquatic ion basically, needs the water purifier to be a fixed range to the purification degree of aquatic basically when using, and this filtering capacity that just causes the water purifier can't freely adjust. For example, the ion content in water in the southern area of China is low, the ion content in water in the northern area is high, and when users in different areas use the same water purifier, the unified water purification effect is difficult to achieve.
According to the water quality environment of different places, when a uniform drinking water standard is required to be achieved, the problem in the prior art is solved by adopting a mode of adding a plurality of filter elements, but the new filter elements can increase new cost for users, and even if the new filter elements are added, the final quality of the drinking water of the users in different areas can not be guaranteed to be completely the same, so that the requirements of the users are met.
Therefore, it is necessary to provide an EDR water purification system capable of adjusting water quality in real time according to user targets to overcome the deficiencies of the prior art.
Disclosure of Invention
One of the purposes of the invention is to provide a method for adjusting the effluent quality of an EDR water purification system, which avoids the defects of the prior art, can adjust the voltage applied to an EDR module according to the water quality condition of the discharged purified water, and can realize the purpose of arbitrarily adjusting the water quality.
The above object of the present invention is achieved by the following technical means.
A method for adjusting the quality of effluent of an EDR water purification system is provided, wherein the voltage applied to an EDR module is adjusted according to the quality condition of purified water discharged by the EDR water purification system.
Preferably, when the quality of the purified water discharged by the EDR water purification system is poor, the voltage is increased for the EDR module; otherwise, the voltage is reduced or the original voltage is maintained for the EDR module.
Judge the poor target quality of water TDS value of setting for of the quality of water condition of the discharged purified water of EDR water purification system, compare through detecting the discharged purified water TDS value of EDR water purification system and target quality of water TDS value, then think the quality of water condition of the discharged purified water poor when the discharged purified water TDS value is greater than target quality of water TDS value.
Preferably, the water quality is characterized by a TDS value.
Preferably, the TDS sensor is used for detecting the quality condition of the purified water discharged by the EDR water purification system.
Preferably, the applied voltage of the EDR module is adjusted in real time by detecting data in real time by the TDS sensor.
Preferably, the target water quality is set, and the applied voltage of the EDR water purification system is adjusted in real time according to the real-time detection data of the TDS sensor and the target water quality information.
According to the method for adjusting the effluent quality of the EDR water purification system, the voltage applied to the EDR membrane stack is adjusted according to the water quality condition of purified water discharged by the EDR water purification system, and when the water quality condition of the purified water discharged by the EDR water purification system is poor, the voltage is increased for the EDR module; otherwise, the voltage is reduced or the original voltage is maintained for the EDR module. Simultaneously, the target water quality is set, and the applied voltage of the EDR water purification system is adjusted in real time according to the real-time detection data of the TDS sensor and the target water quality information.
Another object of the present invention is to provide an EDR water purification apparatus for adjusting the quality of discharged water, which can adjust the voltage applied to an EDR module according to the quality of discharged purified water, thereby achieving an arbitrary adjustment of the quality of water, while avoiding the disadvantages of the prior art.
The device is provided with a water quality concentration detection module for detecting a real-time water quality TDS value of a water outlet, a water quality comparison module preset with a target TDS value and a voltage control module for adjusting the magnitude of an applied voltage of an EDR membrane stack;
the output end of the water quality concentration detection module is connected with the input end of the comparison module, and the output end of the comparison module is connected with the input end of the voltage control module;
the detection end of quality of water concentration detection module sets up in the delivery port of water purifier product water, and quality of water concentration detection module sends the real-time quality of water TDS value that detects to quality of water comparison module, and quality of water comparison module compares real-time quality of water TDS value and target TDS value and sends the comparison result to voltage control module, and voltage control module adjusts the applied voltage of EDR membrane stack according to the comparison result.
Preferably, the voltage control module is specifically adjusted to increase the applied voltage to the EDR membrane stack when the real-time water quality TDS value is greater than the target TDS value;
when the real-time water quality TDS value is less than the target TDS value, the voltage control module reduces the applied voltage to the EDR membrane stack.
Preferably, a supplementary collecting water tank, a three-way valve and a supplementary water controller are also arranged; the water inlet of the supplementary water collecting tank is connected with the first pipe orifice of the three-way valve through a pipeline, the water outlet of the supplementary water collecting tank is connected with the water outlet through a pipeline, the second pipe orifice of the three-way valve is connected with the water producing port of the EDR membrane stack through a pipeline, the third pipe orifice of the three-way valve is connected with the water outlet through a pipeline, and the control end of the supplementary water controller is connected with the three-way valve.
Preferably, the detection end of the water supply controller acquires the switch state of the drinking water valve switch of the water outlet and controls the switch of the three-way valve according to the switch state of the drinking water valve switch.
Preferably, the water replenishment controller has the specific control steps of; when the drinking water valve is switched on, the first pipeline port and the second pipeline port are controlled to be closed, and the second pipeline port is communicated with the third pipeline port;
when the drinking water valve is closed, the first pipeline port is controlled to be communicated with the second pipeline port, and the second pipeline port is controlled to be closed with the third pipeline port.
Preferably, a self-sucking pump is further arranged, and a water suction port of the self-sucking pump is respectively connected with a water discharge port and a third pipeline port of the supplementary collecting water tank.
Preferably, a preposed filter element module used for reducing the damage of the water inlet pressure to the EDR membrane stack is further arranged, and the preposed filter element module is arranged at the water inlet of the EDR membrane stack.
Preferably, a user command module used for a user to input the TDS value of the target water quality is further arranged, and the output end of the user command module is connected with the water quality comparison module; the user command module adjusts the size of the change target TDS value.
Preferably, the water flow rate ratio of the water outlet of the supplementary collecting water tank to the third pipeline port is T1;
preferably, T1 is 1: 3-3: 1.
preferably, a first water flow control valve for controlling the water flow rate of the drain port of the supplementary collecting water tank and a second water flow control valve for controlling the water flow rate of the third pipe port are further provided.
Preferably, the water concentration detection module is set to be any one of MC410TDS, DR-TDS-3 or TDS 2285.
According to the EDR water purification device and the EDR water purification device for adjusting the quality of the discharged water, when the device is used, the detection end of the water quality concentration detection module is arranged at the water outlet of product water of the water purifier, the water quality concentration detection module sends the detected real-time water quality TDS value to the water quality comparison module, the water quality comparison module compares the real-time water quality TDS value with the target TDS value and sends the comparison result to the voltage control module, and the voltage control module controls the EDR membrane stack to apply voltage adjustment according to the comparison result.
This adjust EDR purifier of play water quality of water can adjust the applied voltage of EDR membrane stack and then automatic regulation quality of water according to the real-time quality of water information and the target TDS value that presets of delivery port. The water is also collected through a supplementary water collecting tank, a three-way valve and a supplementary water controller; when a user does not use the produced water of the EDR membrane stack, the produced water of the EDR membrane stack is guided into the supplementing and collecting water tank through the three-way valve, and when the user needs to use the produced water, the supplementing and collecting water tank and the EDR membrane stack simultaneously supply water to the water outlet, so that the water supply pressure of the E membrane is reduced.
Preferably, leading filter core module sets up in the mouth of a river of intaking of EDR membrane stack, reduces the leading filter core module of the harm of water pressure to the EDR membrane stack of intaking.
A third object of the present invention is to provide an EDR water purifier to which water is supplied by the above method.
This EDR water purifier can adjust out water quality of water according to the real-time TDS value of delivery port to reduce the pressure-bearing size of EDR membrane stack, prolong the life of EDR membrane stack.
Drawings
The invention is further illustrated by means of the attached drawings, the content of which is not in any way limiting.
FIG. 1 is a schematic configuration diagram of real-time embodiment 2 of the present invention.
FIG. 2 is a schematic diagram of the structure of embodiment 3 of the present invention.
FIG. 3 is a schematic diagram of the structure of real-time embodiment 4 of the present invention.
FIG. 4 is a schematic diagram of the structure of embodiment 5 of the present invention.
In fig. 1 to 4, the following are included:
a water quality concentration detection module 100, a water quality comparison module 101 and a user command module 102;
the system comprises an EDR membrane stack 200, a voltage control module 201, a front filter element module 202, a self-priming pump 203, a second water flow control valve 204 and a drinking water valve switch 205;
a supplementary collection water tank 300, a three-way valve 301, a third pipeline port 3013, a first pipeline port 3011 and a second pipeline port 3012;
a make-up water controller 302, a first water flow control valve 303.
Detailed Description
The invention is further described with reference to the following examples.
Example 1.
A method for adjusting the quality of effluent of an EDR water purification system adjusts the voltage applied to an EDR module according to the quality condition of purified water discharged by the EDR water purification system.
Specifically, when the quality of purified water discharged by the EDR water purification system is poor, voltage is added to the EDR module; otherwise, the voltage is reduced or the original voltage is maintained for the EDR module. Judge the poor target quality of water TDS value of setting for of the quality of water condition of the discharged purified water of EDR water purification system, compare through detecting the discharged purified water TDS value of EDR water purification system and target quality of water TDS value, then think the quality of water condition of the discharged purified water poor when the discharged purified water TDS value is greater than target quality of water TDS value.
In the further embodiment, the water quality condition is characterized by TDS value.
Specifically, detect the quality of water condition of the exhaust purified water of EDR water purification system through the TDS sensor.
Specifically, the applied voltage of the EDR module is adjusted in real time by detecting data in real time through the TDS sensor.
Specifically, the target water quality is set, and the applied voltage of the EDR water purification system is adjusted in real time according to real-time detection data of the TDS sensor and target water quality information.
Specifically, the target water quality is set simultaneously, and the applied voltage of the EDR water purification system is adjusted in real time according to real-time detection data of the TDS sensor and target water quality information.
Specifically, the target water quality is set, specifically, a target TDS value is set to be compared with a real-time TDS value of purified water discharged by an EDR water purification system, and when the real-time TDS value is lower than the target TDS value, the water quality condition is judged to be good; and when the real-time TDS value is higher than the target TDS value, judging that the water quality condition is poor.
When the water quality condition is good, the voltage is reduced or the original voltage is maintained for the EDR module. And when the water quality condition is poor, increasing voltage for the EDR module.
According to the method for adjusting the effluent quality of the EDR water purification system, the voltage applied to the EDR membrane stack is adjusted according to the water quality condition of purified water discharged by the EDR water purification system, and when the water quality condition of the purified water discharged by the EDR water purification system is poor, the voltage is increased for the EDR module; otherwise, the voltage of the EDR module is reduced or the original voltage is kept, and finally the water quality of the discharged water can be adjusted freely by a user.
Example 2.
An EDR water purifying device for adjusting the water quality of effluent, which adjusts the water quality in real time according to the user target, as shown in figure 1,
the device is provided with a water quality concentration detection module 100 for detecting a real-time water quality TDS value of a water outlet, a water quality comparison module 101 with a preset target TDS value, and a voltage control module 201 for adjusting the applied voltage of an EDR membrane stack 200;
the output end of the water quality concentration detection module 100 is connected with the input end of the comparison module, and the output end of the comparison module is connected with the input end of the voltage control module 201;
the detection end of quality of water concentration detection module 100 sets up in the outlet port of water purifier product water, and quality of water concentration detection module 100 sends the real-time quality of water TDS value that detects to water quality contrast module 101, and quality of water contrast module 101 compares real-time quality of water TDS value and target TDS value and sends the comparison result to voltage control module 201, and voltage control module 201 adjusts the applied voltage of EDR membrane stack 200 according to the comparison result.
Specifically, the voltage control module 201 is specifically adjusted such that, when the real-time water quality TDS value is greater than the target TDS value, the voltage control module 201 increases the applied voltage to the EDR membrane stack 200;
when the real-time water quality TDS value is less than the target TDS value, the voltage control module 201 reduces the applied voltage to the EDR membrane stack 200.
Specifically, the water concentration detection module 100 is set to any one of MC410TDS, DR-TDS-3, or TDS 2285. The detailed structure and operation principle of the common general knowledge of those skilled in the art are not described in detail.
When in use, the water quality concentration detection module 100 detects the water quality of the water outlet, and compares the real-time water quality TDS value with the target TDS value in the water quality comparison module 101, and the voltage control module 201 adjusts the applied voltage of the EDR membrane stack 200 in real time according to the comparison result.
The voltage control module 201 can adjust the voltage according to the ratio of the real-time water TDS value to the target TDS value, such as: when the real-time water TDS value is greater than the target TDS value by 10%, the voltage control module 201 correspondingly increases the applied voltage by 10%; when the real-time water TDS value is greater than the target TDS value by 20%, the voltage control module 201 correspondingly increases the applied voltage by 20%;
the voltage control module 201 may also adjust the voltage by directly increasing the applied voltage to a fixed value, such as increasing the applied voltage of the EDR membrane stack 200 to a fixed range, such as adjusting the applied voltage of the EDR membrane stack 200 to a maximum applied voltage.
The voltage control module 201 may also select other modes for regulating the voltage, which is common knowledge of those skilled in the art, and the detailed structural features are not described again.
Detect out mouth of a river quality of water TDS value in real time, compare the target quality of water TDS value of real-time delivery port quality of water TDS value and target user customization and judge product water quality of water information, adjust the EDR voltage of EDR membrane stack 200 in real time according to product water quality of water information.
This EDR water purification system of adjusting quality of water in real time according to user's target of implementing detects mouth of a river quality of water TDS value in real time, compares real-time delivery port quality of water TDS value and the customized target quality of water TDS value of target user and judges product water quality information, adjusts the EDR voltage of EDR membrane stack 200 according to product water quality of water information in real time. The water purification degree of the EDR membrane stack 200 is changed by adjusting the EDR voltage, so that the water quality reaches the unified standard.
It should be noted that the EDR membrane stack recorded in the present invention has a water inlet and outlet channel, and when raw water enters the EDR membrane stack, water is filtered by electric ions, and the EDR membrane stack is not described again as a specific structural feature of common general knowledge of those skilled in the art.
Example 3.
An EDR water purification apparatus for adjusting the quality of effluent water has the same other structure as that of embodiment 2, and is different in that, as shown in fig. 2, a supplementary water collection tank 300, a three-way valve 301, and a supplementary water controller 302 are further provided; as described above, the water inlet of the supplementary water collection tank 300 is connected to the first pipe port of the three-way valve 301 through a pipe, the water outlet of the supplementary water collection tank 300 is connected to the water outlet through a pipe, the second pipe port of the three-way valve 301 is connected to the water production port of the EDR membrane stack 200 through a pipe, the third pipe port of the three-way valve 301 is connected to the water outlet through a pipe, and the control end of the supplementary water controller 302 is connected to the three-way valve 301.
Specifically, the detection end of the water supply controller 302 obtains the on-off state of the drinking water valve switch 205 at the water outlet, and controls the on-off of the three-way valve 301 according to the on-off state of the drinking water valve switch 205.
Specifically, the water replenishment controller 302 has the specific control steps of; when the drinking water valve switch 205 is opened, the first pipeline port 3011 and the second pipeline port 3012 are controlled to be closed, and the second pipeline port 3012 is communicated with the third pipeline port 3013;
when the drinking water valve switch 205 is closed, the first pipeline port 3011 is controlled to be communicated with the second pipeline port 3012, and the second pipeline port 3012 and the third pipeline port 3013 are controlled to be closed. Specifically, a first water flow control valve 303 for controlling the flow rate of the water discharge port of the supplementary collection water tank 300 and a second water flow control valve 204 for controlling the flow rate of the water of the third pipe port 3013 are further provided.
The water flow rate ratio of the drain port of the supplementary collecting water tank 300 to the third duct port 3013 is T1, and the preferable range of T1 is 1: 3-3: 1.
when the membrane stack is used, the ratio of the water flow of the drain outlet of the supplementary collection water tank 300 to the water flow of the EDR membrane stack 200 passing through the third pipeline port 3013 is T1 by adjusting the caliber of the drain outlet of the supplementary collection water tank 300 and controlling the caliber of the third pipeline port 3013; the ratio of the discharge water flow rate of the supplemental collecting tank 300 to the water flow rate of the third pipe port 3013 may be T1 by the first water flow rate control valve 303 and the second water flow rate control valve 204.
It should be noted that T1 can be adjusted according to the actual use requirement, such as 1: 3. 1:2, 1: 1.5, convenience of customers in time carries out the applied voltage through small amplitude range adjustment EDR membrane stack 200 according to real-time quality of water TDS value and changes real-time quality of water TDS value in the use.
The T1 may also be 1:1 or 1.5:1 or 2:1 or 3:1, which aims to reduce the water production burden on the EDR membrane stack 200, and the user can extend the service life of the EDR membrane stack 200 by supplementing the water in the collection water tank 300 to achieve most of the water demand.
Specifically, when the drinking water valve switch 205 is closed, the product water of the EDR membrane stack 200 is introduced into the replenishment collection tank for storage, and when the user drinking water valve switch 205 is opened, the replenishment collection tank and the EDR membrane stack 200 simultaneously deliver water to the user.
When the water supply controller is used, the detection end of the water supply controller acquires the on-off state of the drinking water valve switch of the water outlet and controls the on-off of the three-way valve according to the on-off state of the drinking water valve switch through the arranged supplementary collecting water tank, the three-way valve and the supplementary water controller. When the user does not use the system, the water supplementing controller conveys the produced water of the EDR membrane stack into the supplementing collecting water tank through a three-way valve. When used by a customer, the replenishment collection tank and the EDR membrane stack provide high quality water to the customer at the same time. The water production of the EDR membrane stack can be effectively utilized by arranging the replenishing and collecting water tank, and sufficient water can be provided for a user when the water production system is used by the user.
Example 4.
An EDR purifier for adjusting the quality of outlet water has the same structure as any one of embodiments 2 and 3, and is different in that a user command module 102 for inputting a TDS value of target water quality by a user is further arranged as shown in FIG. 3, and the output end of the user command module 102 is connected with a water quality comparison module 101; the user command module 102 adjusts the size of the change target TDS value.
The water production quality of the EDR membrane stack can be adjusted according to the self needs of users by adding the user command module, and the individual requirements of all users are considered.
Example 5.
An EDR water purification apparatus for adjusting the quality of discharged water has the same structure as any one of embodiments 2 to 4, except that, as shown in fig. 4, a self-priming pump 203 is further provided, and a water suction port of the self-priming pump 203 is connected to a water discharge port of a supplementary water collection tank 300 and a third pipeline port 3013, respectively.
And water is absorbed from the water outlet by using negative pressure, so that the pressure bearing of the EDR membrane stack 200 is reduced.
Specifically, a pre-filter module 202 for reducing damage of the water inlet pressure to the EDR membrane stack 200 is further provided, and the pre-filter module 202 is arranged at a water inlet of the EDR membrane stack 200. Specifically, the water entering the EDR membrane stack 200 is subjected to hydraulic control and early-stage filtration, so that the pressure bearing of the EDR membrane stack 200 is reduced.
Also can be connected with the delivery port of first water flow control valve 303, the delivery port of second water flow control valve 204 respectively through the water sucking mouth of self priming pump 203 when in actual use, the purpose of self priming pump mainly lies in absorbing the produced water of EDR membrane stack 200 and supplementing the water of collecting in the water tank, and the user can adopt other connected modes according to the situation of reality based on this self priming pump theory of operation.
The water pressure load of the EDR membrane stack can be reduced by adding the self-sucking pump and the front filter element module, and the service life of the EDR membrane stack is prolonged.
Example 6.
An EDR water purifier having the EDR water purifier as described in any one of embodiments 2 to 5, using the water purification system as described in real-time example 1.
This EDR water purifier can come the applied voltage of real-time adjustment EDR membrane stack according to the real-time quality of water that purifies, makes quality of water can reach unified standard, and then realizes reaching the target quality of water, provides the stable purified water that accords with the water standard for the user.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (16)
1. A method for adjusting the effluent quality of an EDR water purification system is characterized in that: and adjusting the voltage applied to the EDR module according to the water quality condition of the purified water discharged by the EDR water purification system.
2. The method for adjusting the quality of the effluent of the EDR water purification system according to claim 1, which is characterized in that: when the quality of purified water discharged by the EDR water purification system is poor, increasing voltage for the EDR module; otherwise, the voltage is reduced or the original voltage is maintained for the EDR module.
3. The method for adjusting the quality of the effluent of the EDR water purification system according to claim 1, which is characterized in that: and the water quality condition is characterized by TDS value.
4. The method for adjusting the quality of the effluent of the EDR water purification system according to claim 3, which is characterized in that: detect the quality of water condition of the purified water that EDR water purification system discharged through the TDS sensor.
5. The method for adjusting the quality of the effluent of the EDR water purification system according to claim 4, which is characterized in that: the applied voltage of the EDR module is adjusted in real time through real-time detection data of the TDS sensor.
6. The method for adjusting the quality of the effluent of the EDR water purification system according to claim 5, wherein the method comprises the following steps: and setting target water quality, and adjusting the applied voltage of the EDR water purification system in real time according to real-time detection data of the TDS sensor and target water quality information.
7. The EDR water purification device for adjusting the quality of the discharged water according to any one of claims 1 to 6, characterized in that:
the device is provided with a water quality concentration detection module for detecting a real-time water quality TDS value of a water outlet, a water quality comparison module preset with a target TDS value and a voltage control module for adjusting the applied voltage of the EDR membrane stack;
the output end of the water quality concentration detection module is connected with the input end of the comparison module, and the output end of the comparison module is connected with the input end of the voltage control module;
the detection end of the water quality concentration detection module is arranged at a water outlet of product water of the water purifier, the water quality concentration detection module sends a detected real-time water quality TDS value to the water quality comparison module, the water quality comparison module compares the real-time water quality TDS value with the target TDS value and sends a comparison result to the voltage control module, and the voltage control module adjusts the applied voltage of the EDR membrane stack according to the comparison result.
8. The EDR purifier of claim 7 for conditioning effluent quality, characterized in that:
the voltage control module is specifically adjusted to increase the applied voltage to the EDR membrane stack when the real-time water quality TDS value is larger than the target TDS value;
when the real-time water quality TDS value is less than the target TDS value, the voltage control module reduces the applied voltage to the EDR membrane stack.
9. The EDR purifier of claim 7 for conditioning effluent quality, characterized in that:
a supplementary water collecting tank, a three-way valve and a supplementary water controller are also arranged;
a water inlet of the supplementary water collecting tank is connected with a first pipe orifice of the three-way valve through a pipeline, a water outlet of the supplementary water collecting tank is connected with a water outlet of the three-way valve through a pipeline, a second pipe orifice of the three-way valve is connected with a water producing port of the EDR membrane stack through a pipeline, a third pipe orifice of the three-way valve is connected with the water outlet of the EDR membrane stack through a pipeline, and a control end of the supplementary water controller is connected with the three-way valve;
and the detection end of the water supplementing controller acquires the switching state of the drinking water valve switch of the water outlet and controls the switch of the three-way valve according to the switching state of the drinking water valve switch.
10. The EDR purifier of claim 9 for conditioning effluent quality, characterized in that:
the water replenishing controller comprises the following specific control steps; when the drinking water valve switch is opened, the first pipeline port and the second pipeline port are controlled to be closed, and the second pipeline port is communicated with the third pipeline port;
when the drinking water valve is closed, the first pipeline port is controlled to be communicated with the second pipeline port, and the second pipeline port is controlled to be closed with the third pipeline port.
11. The EDR purifier of claim 9 for conditioning effluent quality, characterized in that:
the water absorption port of the self-sucking pump is connected with the water discharge port of the supplementary water collection tank and the third pipeline port respectively.
12. The EDR purifier of claim 7 for conditioning effluent quality, characterized in that:
still be provided with and be used for reducing the leading filter core module of water pressure harms to the EDR membrane stack of intaking, leading filter core module set up in the water inlet of EDR membrane stack.
13. The EDR purifier of claim 7 for conditioning effluent quality, characterized in that:
the water quality comparison module is connected with the water quality control module;
the user command module adjusts the size of the change target TDS value.
14. The EDR purifier of claim 9 for conditioning effluent quality, characterized in that:
the water flow rate ratio of the water outlet of the supplementary collecting water tank to the third pipeline port is T1; t1 is 1: 3-3: 1.
15. an EDR water purification unit for regulating the quality of effluent water according to claim 13, wherein:
and a first water flow control valve for controlling the water flow of the water outlet of the supplementary collecting water tank and a second water flow control valve for controlling the water flow of the third pipeline port are also arranged.
16. An EDR water purifier which characterized in that: the EDR water purification device for adjusting the effluent quality according to any one of claims 7 to 15, which adopts the method for adjusting the effluent quality of the EDR water purification system according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910954206.0A CN110697847A (en) | 2019-10-09 | 2019-10-09 | Method for adjusting effluent quality of EDR (extractive distillation) water purification system and EDR water purification device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910954206.0A CN110697847A (en) | 2019-10-09 | 2019-10-09 | Method for adjusting effluent quality of EDR (extractive distillation) water purification system and EDR water purification device thereof |
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| Publication Number | Publication Date |
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| CN114162933A (en) * | 2021-05-21 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Water purifying equipment, control method and device thereof, storage medium and electronic equipment |
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