TWM625182U - Water conditioning system of an edr water purifier - Google Patents

Abstract

The present invention relates a water conditioning system of an electrodialysis reversal (EDR) water purifier whose main objective is to stabilize conductivity of outputted clean water and to stabilize quality of the clean water. The water conditioning system includes a first source water inlet, a second source water inlet, an EDR film stack, a first conductive probe, a second conductive probe, a third conductive probe, a fourth conductive probe, a variable speed pump, a one-way valve, a clean water outlet, a waste water outlet, an electrode A, an electrode B, and a control system module. With the four conductive probes detecting conductivity of water passing through four ports on two opposite sides of the EDR film stack and by detected data to the control system module, the control system module adjusts voltages of the electrode A and electrode B accordingly, so as to instantly increase or decrease removal efficiency of the EDR film stack. Thus, the conductivity of the outputted clean water can be stabilized and the quality of the clean water can also be stabilized.

Description

Stable water quality system of EDR water purifier

The new model relates to a stable water quality system of a water purifier, in particular to a stable water quality system of an inverted-pole electrodialysis (Electrodialysis Reversal, EDR) water purifier.

With the continuous improvement of people's quality of life, most families have installed water purifiers to ensure healthy drinking water. However, after the water purifier is used, including the Electrodialysis Reversal (EDR) water purifier, the quality of the effluent will be changed by the quality of the raw water and the processing capacity of the water purifier. If the water quality is not adjusted immediately, it will affect the quality of water purification, which in turn affects the user experience. Especially, making all kinds of tea and coffee requires specific water quality to achieve the best results.

In view of this situation, in the prior art, the EDR film stack is usually cleaned regularly to improve the quality of purified water, which is time-consuming and labor-intensive.

The main purpose of the new model is to provide a stable water quality system for an inverted electrodialysis (Electrodialysis Reversal, EDR) water purifier, by setting four conductivity probes to read the water conductivity of the water at the four water ports at both ends of the EDR membrane stack , and feed the data back to the control system module, the control system module prompts to adjust the voltage of electrode A and electrode B, and instantly increases or decreases the removal rate of the EDR membrane stack, thereby stabilizing the conductivity of the purified water effluent and stabilizing the purified water quality.

In order to achieve the above purpose, the adopted technical scheme is: a stable water quality system for an EDR water purifier, comprising a first raw water inlet, a second raw water inlet, an EDR membrane stack, a first conductivity probe, a second Conductivity Probe, Third Conductivity Probe, Fourth Conductivity Probe, Speed Control Loop Pump, One-Way A valve, a clean water outlet, a waste water outlet, an electrode A, an electrode B, and a control system module, wherein the EDR membrane stack includes a first water inlet, a second water inlet, a first outlet, and a second outlet the first raw water inlet end, the first conductivity probe, and the first inlet end of the EDR membrane stack are connected in sequence; the second raw water inlet end, the one-way valve, the third conductivity probe, The second water inlet end of the EDR membrane stack is connected in sequence; the first water outlet end, the second conductivity probe and the purified water outlet end of the EDR membrane stack are connected in sequence; the second water outlet end and the fourth water outlet end of the EDR membrane stack are connected in sequence; The conductivity probe and the waste water outlet are connected in sequence; one end of the speed-regulating loop pump is connected to the third conductivity probe, and the other end is connected to the waste water outlet; the electrode A and the electrode B have opposite polarities, and are located on the EDR membrane respectively. The two ends of the stack; the control system module is respectively connected with the first conductivity probe, the second conductivity probe, the third conductivity probe, the fourth conductivity probe, the speed control loop pump, the electrode A, Electrode B is electrically connected.

Further, the stable water quality system of the EDR water purifier also includes an adjustable flow valve. One end of the adjustable flow valve is connected to the fourth conductivity probe, and the other end is connected to the waste water outlet. The control system module is connected to the adjustable flow valve. The valve is electrically connected.

Further, the stable water quality system of the EDR water purifier also includes a flushing solenoid valve, one end of the flushing solenoid valve is connected to the speed-regulating loop pump, the other end is connected to the waste water outlet, and the control system module is electrically connected to the flushing solenoid valve. .

The working principle of this new type is: by setting four conductivity probes to read the water conductivity of the water at the two inlet ends and the two outlet ends of the EDR membrane stack, a total of four water outlets, and feed the data back to the control system module, the control system The module prompts to adjust the voltage of electrode A and electrode B to instantly increase or decrease the removal rate of the EDR membrane stack.

This new model adopts the stable water quality system of this EDR water purifier to stabilize the conductivity of the purified water effluent and stabilize the purified water quality.

1: The first raw water inlet

2: The first conductivity probe

3: EDR membrane stack

4: Second Conductivity Probe

5: Purified water outlet

6: The second raw water inlet

7: one-way valve

8: Third Conductivity Probe

9: Speed control loop pump

10: Fourth conductivity probe

11: Adjustable flow valve

12: Wastewater outlet

13: Flush solenoid valve

14: The first water inlet

15: The second water inlet

16: The first water outlet

17: The second water outlet

18: Electrode A

19: Electrode B

20: Control system module

FIG. 1 is a schematic structural diagram of a stable water quality system of an electrodialysis (Electrodialysis Reversal, EDR) water purifier.

1 is described in detail as follows: a stable water quality system of an inverted electrodialysis (Electrodialysis Reversal, EDR) water purifier, comprising a first raw water inlet 1, a second raw water inlet 6, an EDR membrane stack 3, a first raw water inlet A conductivity probe 2, a second conductivity probe 4, a third conductivity probe 8, a fourth conductivity probe 10, a speed control loop pump 9, a one-way valve 7, a clean water outlet 5, waste water The water outlet 12, the electrode A 18, the electrode B 19, and the control system module 20, wherein the EDR membrane stack 3 includes a first water inlet end 14, a second water inlet end 15, a first water outlet end 16, and a second water outlet end 17; the first raw water inlet end 1, the first conductivity probe 2, and the first water inlet end 14 of the EDR membrane stack 3 are connected in sequence; the second raw water inlet end 6, the one-way valve 7, The third conductivity probe 8 and the second water inlet end 15 of the EDR membrane stack 3 are connected in sequence; the first water outlet end 16 of the EDR membrane stack 3 , the second conductivity probe 4 and the purified water outlet end 5 are connected in sequence The second water outlet 17, the fourth conductivity probe 10, and the waste water outlet 12 of the EDR membrane stack 3 are connected in sequence; One end of the loop pump 9 is connected to the third conductivity probe 8, and the other end is connected to the waste water outlet 12; the electrode A 18 and the electrode B 19 have opposite polarities and are located at both ends of the EDR membrane stack 3 respectively; the control system model The group 20 is respectively connected with the first conductivity probe 2, the second conductivity probe 4, the third conductivity probe 8, the fourth conductivity probe 10, the speed control loop pump 9, the electrode A 18, the electrode B 19 Electrically connected.

Further, it also includes an adjustable flow valve 11 , one end of the adjustable flow valve 11 is connected to the fourth conductivity probe 10 , the other end is connected to the waste water outlet 12 , and the control system module 20 is electrically connected to the adjustable flow valve 11 . , The water conductivity of the wastewater side can be controlled by the adjustable flow valve 11, so as to avoid the increased risk of scaling on the wastewater side due to excessive water conductivity, and at the same time, the wastewater flow can be optimized to achieve the purpose of water saving.

Further, it also includes a flushing solenoid valve 13, one end of the flushing solenoid valve 13 is connected with the speed-regulating loop pump 9, and the other end is connected with the waste water outlet 12, and the control system module 20 is electrically connected with the flushing solenoid valve 13, through the flushing solenoid valve 13 It can further control the water quality conductivity on the wastewater side, avoid the risk of scaling on the wastewater side, optimize the wastewater flow, and achieve the purpose of saving water.

Example

As shown in Figure 1, the stable water quality system of the EDR water purifier includes a first raw water inlet 1, a second raw water inlet 6, an EDR membrane stack 3, a first conductivity probe 2, and a second conductivity probe. Needle 4, third conductivity probe 8, fourth conductivity probe 10, speed control loop pump 9, one-way valve 7, clean water outlet 5, waste water outlet 12, electrode A 18, electrode B 19, The control system module 20, the adjustable flow valve 11, and the flushing solenoid valve 13, wherein the EDR membrane stack 3 includes a first water inlet end 14, a second water inlet end 15, a first water outlet end 16, and a second water outlet end 17; The first raw water inlet 1, the first conductivity probe 2, and the first water inlet 14 of the EDR membrane stack 3 are connected in sequence; the second raw water inlet 6, the one-way valve 7, the first The three conductivity probes 8 and the second water inlet end 15 of the EDR membrane stack 3 are connected in sequence; the first water outlet end 16 of the EDR membrane stack 3, the second conductivity probe 4, and the purified water outlet end 5 are connected in sequence; The second water outlet 17, the fourth conductivity probe 10, and the waste water outlet 12 of the EDR membrane stack 3 are connected in sequence; one end of the speed-regulating loop pump 9 is connected to the third conductivity probe 8, and the other end is connected to the third conductivity probe 8. The waste water outlet end 12 is connected; the electrode A 18 and the electrode B 19 have opposite polarities and are respectively located at both ends of the EDR membrane stack 3; one end of the adjustable flow valve 11 is connected to the fourth conductivity probe 10, and the other end is connected to the waste water The water outlet end 12 is connected; one end of the flushing solenoid valve 13 is connected to the speed-regulating loop pump 9, and the other end is connected to the waste water outlet 12; the control system module 20 is respectively connected to the first conductivity probe 2 and the second conductivity probe 2. The conductivity probe 4 , the third conductivity probe 8 , the fourth conductivity probe 10 , the speed control loop pump 9 , the electrode A 18 , the electrode B 19 , the adjustable flow valve 11 , and the flushing solenoid valve 13 are electrically connected.

The working principle of the stable water quality system of the EDR water purifier is: by setting four conductivity probes 2, 4, 8, 10 to read the two water inlet ends 14, 15 and the two water outlet ends 16, 17 of the EDR membrane stack 3, a total of four The water conductivity of each nozzle is fed back to the control system module 20, and the control system module 20 prompts to adjust the electrode A. 18 and the voltage of the electrode B 19, instantly enhance or weaken the removal rate of the EDR membrane stack 3, thereby stabilizing the conductivity of the purified water effluent quality and stabilizing the purified water quality. At the same time, the control system module 20 controls the adjustable flow valve 11 and the flushing solenoid valve 13 to work according to the water conductivity data measured in the wastewater, so as to control the water conductivity of the wastewater side and avoid the increase of scaling on the wastewater side due to excessive water conductivity. At the same time, it can also optimize the waste water flow to achieve the purpose of water saving.

The above-mentioned embodiments and examples only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as limiting the scope of the patent of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of this new patent shall be subject to the scope of the appended patent application.

1: The first raw water inlet

2: The first conductivity probe

3: EDR membrane stack

4: Second Conductivity Probe

5: Purified water outlet

6: The second raw water inlet

7: one-way valve

8: Third Conductivity Probe

9: Speed control loop pump

10: Fourth conductivity probe

11: Adjustable flow valve

12: Wastewater outlet

13: Flush solenoid valve

14: The first water inlet

15: The second water inlet

16: The first water outlet

17: The second water outlet

18: Electrode A

19: Electrode B

20: Control system module

Claims (3)

A stable water quality system for an EDR water purifier, characterized in that it includes a first raw water inlet end, a second raw water inlet end, an EDR membrane stack, a first conductivity probe, a second conductivity probe, and a third conductivity probe. rate probe, fourth conductivity probe, speed control loop pump, one-way valve, clean water outlet, waste water outlet, electrode A, electrode B, control system module, wherein, the EDR membrane stack includes the first A water inlet end, a second water inlet end, a first water outlet end, and a second water outlet end; the first raw water inlet end, the first conductivity probe, and the first water inlet end of the EDR membrane stack are connected in sequence; The second raw water inlet end, the one-way valve, the third conductivity probe, and the second inlet end of the EDR membrane stack are connected in sequence; the first outlet end of the EDR membrane stack, the second conductivity probe, the net The water outlet ends are connected in sequence; the second outlet end, the fourth conductivity probe, and the waste water outlet end of the EDR membrane stack are connected in sequence; one end of the speed-regulating loop pump is connected to the third conductivity probe, and the other end is connected to the third conductivity probe. The waste water outlet end is connected; the electrode A and the electrode B have opposite polarities, and are located at both ends of the EDR membrane stack; the control system module is respectively connected to the first conductivity probe, the second conductivity probe, and the third conductivity probe. The probe, the fourth conductivity probe, the speed-regulating loop pump, the electrode A, and the electrode B are electrically connected. The stable water quality system for an EDR water purifier according to claim 1, further comprising an adjustable flow valve, one end of the adjustable flow valve is connected to the fourth conductivity probe, the other end is connected to the waste water outlet, and the control The system module is electrically connected with the adjustable flow valve. The stable water quality system of the EDR water purifier according to claim 2 is characterized in that: it also includes a flushing solenoid valve, one end of the flushing solenoid valve is connected with the speed-regulating loop pump, and the other end is connected with the waste water outlet, and the control system module Electrically connected to the flush solenoid valve.

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