CN211644724U - Electrode plate protection device of frequent reverse-polarity electrodialysis water treatment device - Google Patents
Electrode plate protection device of frequent reverse-polarity electrodialysis water treatment device Download PDFInfo
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- CN211644724U CN211644724U CN201922363989.3U CN201922363989U CN211644724U CN 211644724 U CN211644724 U CN 211644724U CN 201922363989 U CN201922363989 U CN 201922363989U CN 211644724 U CN211644724 U CN 211644724U
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Abstract
The utility model discloses a many kinds of inverse pole electrodialysis water treatment facilities plate electrode protection device, many kinds of inverse pole electrodialysis water treatment facilities include the membrane stack, locate two plate electrodes of membrane stack both sides respectively and be used for the high frequency power supply for two plate electrode power supplies, plate electrode protection device includes two temperature sensor, two flow switch, control box and high frequency switch, and two temperature sensor set up respectively in two plate electrodes, and two flow switch set up respectively in the utmost point water entrance point of two plate electrodes, and two temperature sensor's output and two flow switch's output all are connected with the input electricity of control box, and high frequency switch establishes ties and is connected in the inlet wire return circuit for the power supply of high frequency power and with the output electricity of control box. And when the temperature in the electrode plate exceeds a preset temperature threshold and/or no water enters the electrode plate, a loop for supplying power to the electrode plate by the high-frequency power supply is cut off, so that the function of protecting the electrode plate is achieved.
Description
Technical Field
The utility model relates to a frequently reverse-polarity electrodialysis water treatment device electrode plate protection device.
Background
The working principle of the device is that a high-frequency power supply is used for electrifying electrode plates on two sides of the device (one side is a power supply anode, the other side is a power supply cathode), current is formed in the device (membrane stack), anions and cations in high-salt wastewater are moved to different directions by utilizing current migration, and meanwhile, the anion and cation functions of the membrane stack are selectively utilized to reduce the ion content in the high-salt wastewater in different channels to form fresh water and increase the ion content of partial high-salt wastewater to form concentrated wastewater, the fresh water can be recycled to a process, the concentrated wastewater enters an evaporation working section, partial fresh water resources can be recycled on one hand, in addition, the water inflow in the evaporation concentration process can be reduced, and the evaporation operation cost is reduced.
In order to increase the flow area and reduce the current density of the electrode plates on the two sides of the membrane stack, the heat generated in the operation process of the electrode plates needs to be cooled, and electrode water needs to be introduced into the electrode plates.
In the actual operation process, a set of high salt waste water concentration processing system disposes many sets of membrane piles, these some membrane piles utmost point water are supplied by a set of utmost point water pump, very easily because the unbalanced extremely water distribution is inhomogeneous to every plate electrode in the pole water yield distribution that leads to of pipeline resistance, appear in the individual plate electrode even because there is the air to form the gas and block up, the utmost point water can't supply to in the plate electrode, the plate electrode can't reach normal refrigerated requirement, the plate electrode is in "dry combustion method" state for a long time, lead to the plate electrode to burn out, bring the potential safety hazard for the factory, influence equipment normal operating.
SUMMERY OF THE UTILITY MODEL
The utility model provides a frequently reverse electrode electrodialysis water treatment device electrode plate protection device for overcoming the defects of the prior art.
The utility model overcomes the technical scheme that its technical problem adopted is:
the utility model provides a frequent reverse-polarity electrodialysis water treatment facilities plate electrode protection device, frequent reverse-polarity electrodialysis water treatment facilities includes the membrane stack, locates two plate electrodes of membrane stack both sides respectively and is used for the high frequency power supply for two plate electrode power supplies, plate electrode protection device includes two temperature sensor, two flow switch, control box and high frequency switch, and wherein, two temperature sensor set up respectively in two plate electrodes, and two flow switch set up respectively in the utmost point water entrance point of two plate electrodes, and two temperature sensor's output and two flow switch's output all are connected with the input electricity of control box, and high frequency switch establishes ties and is connected in the inlet wire return circuit for the power supply of high frequency power supply and with the output electricity of control box.
Further, the control box includes:
the signal receiving unit is electrically connected with the output ends of the two temperature sensors and the output ends of the two flow switches and is configured to be used for receiving the temperature signals of the electrode plates acquired by the temperature sensors and receiving the water flow signals of the electrode plates acquired by the flow switches;
the input end of the preset unit is electrically connected with the output end of the signal receiving unit and is configured to be used for presetting a temperature threshold value and a water flow threshold value; and the number of the first and second groups,
the input end of the main control unit is electrically connected with the output end of the preset unit, the output end of the main control unit is electrically connected with the high-frequency power switch, and the main control unit is configured to be used for comparing the temperature in the electrode plate with a preset temperature threshold value and comparing the water inflow in the electrode plate with a preset water flow threshold value and controlling the on-off of the high-frequency power switch according to the comparison result.
Further, the control box also comprises a human-computer interaction device.
Further, the human-computer interaction device at least comprises a display screen.
Furthermore, the frequent reverse-polarity electroosmosis water treatment device further comprises a polar water pump and a polar water tank, wherein a water inlet of the polar water pump is connected with a water outlet of the polar water tank, and a water outlet of the polar water pump is respectively connected with polar water inlet ends of the two electrode plates through flow switches.
Furthermore, the polar water outlet ends of the two electrode plates are connected with the water inlet of the polar water tank, so that water flowing out of the electrode plates is recycled back to the polar water tank, and water resource waste is avoided.
The utility model has the advantages that:
the utility model discloses a frequently reverse utmost point electrodialysis water treatment facilities plate electrode protection device, when the temperature in the plate electrode surpassed in the predetermined temperature threshold value and/or the plate electrode does not have into water, the effect of guard electrode board is played to the return circuit of plate electrode power supply to the disconnection high frequency power, avoids appearing lack of water in the plate electrode, the temperature is high to the side and leads to the plate electrode to burn out, improve the security of equipment operation.
Drawings
Fig. 1 is a schematic view of a protective device for an electrode plate of a water treatment device for reverse osmosis.
In the figure, the device comprises a membrane stack 1, a membrane stack 2, an electrode plate 3, a high-frequency power supply 4, a temperature sensor 5, two flow switches 6, a control box 7, a high-frequency power supply switch 8, a polar water pump 9 and a polar water tank.
Detailed Description
In order to facilitate better understanding of the present invention for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, which are given by way of illustration only and thus do not limit the scope of the present invention.
As shown in fig. 1, the electrode plate protection device for a water treatment device for reverse polarity electrodialysis described in this embodiment includes a membrane stack 1, two electrode plates 2 respectively disposed at two sides of the membrane stack, and a high-frequency power supply 3 for supplying power to the two electrode plates, wherein one of the two electrode plates 2 is connected to an anode of the high-frequency power supply 3, and the other is connected to a cathode of the high-frequency power supply 3, that is, one of the electrode plates 2 is positively charged, and the other electrode plate 2 is negatively charged, and the reverse polarity switching is performed periodically, which is the content of the prior art and will not be described herein again.
The greatest improvement of the embodiment is that an electrode plate protection device is added on the existing water treatment device for the reverse electrode electrodialysis, the electrode plate protection device comprises two temperature sensors 4, two flow switches 5, a control box 6 and a high-frequency power switch 7, wherein, two temperature sensor 4 set up respectively in two plate electrode 2, two flow switch 5 set up respectively in the utmost point water entrance point of two plate electrode 2, two temperature sensor 4's output and two flow switch 5's output all are connected with the input electricity of control box 6, specifically, two temperature sensor 4's output and two flow switch 5's output are connected with the different signal acquisition input electricity of control box 6 respectively, high frequency switch 7 establishes ties and is connected in the inlet wire return circuit for high frequency power 3 power supply and with the output electricity of control box 6.
Specifically, the control box 6 in this embodiment includes a signal receiving unit, a preset unit and a main control unit, where the signal receiving unit is electrically connected to the output ends of the two temperature sensors 4 and the output ends of the two flow switches 5, and is configured to receive the temperature signals of the electrode plates acquired by the temperature sensors 4 and receive the water flow signals of the electrode plates acquired by the flow switches 5; the input end of the preset unit is electrically connected with the output end of the signal receiving unit and is configured to be used for presetting a temperature threshold value and a water flow threshold value; the input end of the main control unit is electrically connected with the output end of the preset unit, the output end of the main control unit is electrically connected with the high-frequency power switch 7, and the main control unit is configured to be used for comparing the temperature in the electrode plate with a preset temperature threshold value and comparing the water inflow in the electrode plate with a preset water flow threshold value, and controlling the on-off of the high-frequency power switch 7 according to the comparison result.
Further, the control box 6 further comprises a human-computer interaction device, wherein the human-computer interaction device at least comprises a display screen and can be provided with buttons, and the buttons at least comprise a switch button and an emergency stop button.
Further, the frequent reverse electroosmosis water treatment device further comprises a polar water pump 8 and a polar water tank 9, wherein a water inlet of the polar water pump 8 is connected with a water outlet of the polar water tank 9, and a water outlet of the polar water pump is respectively connected with polar water inlet ends of the two electrode plates 2 through a flow switch 5; the polar water outlet ends of the two electrode plates 2 are connected with the water inlet of the polar water tank 9.
If 7 series are arranged in a high-salinity wastewater treatment project, 3 sets of frequent reverse osmosis water treatment devices are arranged in each series, and 21 sets of frequent reverse osmosis water treatment devices are arranged in total. The polar water is uniformly supplied by a set of polar water circulating pump (the polar water circulating pump comprises a polar water pump and a polar water tank) and is supplied to the electrode plate through each branch pipeline. In order to protect the electrode plate, the protection device is configured as follows:
| serial number | Device name | Unit of | Number of | Remarks for note |
| 1 | Temperature sensor | Only by | 42 | Each film stack is provided with 2 electrode plates, and each electrode plate is provided with 1 temperature sensor |
| 2 | Flow switch | Only by | 42 | Each membrane stack is provided with 2 electrode plates, and each electrode plate is provided with 1 electrode water inlet flow switch |
| 3 | Control box | Sleeve | 21 | Each membrane stack is provided with 1 set of high-frequency power supply, and each high-frequency power supply corresponds to 1 set of control box |
| 4 | Instrument cable | Batch of | 1 | Cable comprising a temperature sensor and a |
| 5 | Control output cable | Batch of | 1 | Connect 21 sets of control box and high frequency switch |
During design, each set of frequent reverse-polarity electrodialysis water treatment device is independently controlled.
In this embodiment, a set of water treatment apparatus for reverse osmosis of electrode plate is taken as an example to explain the working principle of the electrode plate protection apparatus:
detect the temperature height in the plate electrode 2 through two temperature sensor 4 respectively, whether two flow switch 5 detect the plate electrode 2 and intake, when the temperature in the plate electrode 2 surpassed predetermined temperature threshold value and/or when the plate electrode 2 did not have the intaking, wherein, lack water in the plate electrode 2, do not lack water but water flow is few in the plate electrode 2, or the normal but great etc. of load of water flow in the plate electrode 2, all probably lead to the temperature to surpass and set for the threshold value, carry out the contact action through control box 6 output control signal to high frequency power switch 7, break off the return circuit of high frequency power supply 3 to plate electrode 2 power supply, play the effect of protection plate electrode 2, avoid appearing lacking water in the plate electrode 2, the temperature is high leads to plate electrode 2 to burn out, improve the security of equipment operation.
The foregoing has described only the basic principles and preferred embodiments of the present invention and numerous changes and modifications may be made by those skilled in the art in light of the above teachings and shall fall within the scope of the present invention.
Claims (6)
1. A electrode plate protection device of a frequent reverse-polarity electrodialysis water treatment device comprises a membrane stack (1), two electrode plates (2) respectively arranged at two sides of the membrane stack and a high-frequency power supply (3) used for supplying power for the two electrode plates, it is characterized in that the electrode plate protection device comprises two temperature sensors (4), two flow switches (5), a control box (6) and a high-frequency power switch (7), wherein, two temperature sensor (4) set up respectively in two plate electrode (2), two flow switch (5) set up respectively in the utmost point water entrance point of two plate electrode (2), the output of two temperature sensor (4) and the output of two flow switch (5) all are connected with the input electricity of control box (6), high frequency power switch (7) are established ties and are connected in the inlet wire return circuit for high frequency power (3) power supply and with the output electricity of control box (6).
2. The electrode plate protection device for a frequent reverse osmosis water treatment device according to claim 1, wherein the control box (6) comprises:
the signal receiving unit is electrically connected with the output ends of the two temperature sensors (4) and the output ends of the two flow switches (5), and is configured to receive the temperature signals of the electrode plates acquired by the temperature sensors (4) and the water flow signals of the electrode plates acquired by the flow switches (5);
the input end of the preset unit is electrically connected with the output end of the signal receiving unit and is configured to be used for presetting a temperature threshold value and a water flow threshold value; and the number of the first and second groups,
the input end of the main control unit is electrically connected with the output end of the preset unit, the output end of the main control unit is electrically connected with the high-frequency power switch (7), and the main control unit is configured to be used for comparing the temperature in the electrode plate with a preset temperature threshold value and comparing the water inflow in the electrode plate with a preset water flow threshold value and controlling the on-off of the high-frequency power switch (7) according to a comparison result.
3. The electrode plate protection device for a frequent reverse osmosis water treatment device according to claim 1, wherein the control box (6) further comprises a human-computer interaction device.
4. The electrode plate protection device for a frequent reverse osmosis water treatment device according to claim 3, wherein the human-computer interaction device comprises at least a display screen.
5. The electrode plate protection device for the frequent reverse polarity electrodialysis water treatment device according to claim 1, wherein the frequent reverse polarity electrodialysis water treatment device further comprises a polar water pump (8) and a polar water tank (9), wherein the water inlet of the polar water pump (8) is connected with the water outlet of the polar water tank (9), and the water outlet is respectively connected with the polar water inlet ends of the two electrode plates (2) through the flow switch (5).
6. The electrode plate protection device for a frequent reverse osmosis water treatment device according to claim 5, wherein the polar water outlet ends of the two electrode plates (2) are connected with the water inlet of the polar water tank (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922363989.3U CN211644724U (en) | 2019-12-25 | 2019-12-25 | Electrode plate protection device of frequent reverse-polarity electrodialysis water treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922363989.3U CN211644724U (en) | 2019-12-25 | 2019-12-25 | Electrode plate protection device of frequent reverse-polarity electrodialysis water treatment device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114159978A (en) * | 2021-05-21 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Electrodialysis membrane stack electrode detection method and device and water purification equipment |
| US11502322B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11502323B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11855324B1 (en) | 2022-11-15 | 2023-12-26 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell with heat pump |
| US12040517B2 (en) | 2022-11-15 | 2024-07-16 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell and methods of use thereof |
-
2019
- 2019-12-25 CN CN201922363989.3U patent/CN211644724U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114159978A (en) * | 2021-05-21 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Electrodialysis membrane stack electrode detection method and device and water purification equipment |
| US11502322B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11502323B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11563229B1 (en) | 2022-05-09 | 2023-01-24 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11611099B1 (en) | 2022-05-09 | 2023-03-21 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11699803B1 (en) | 2022-05-09 | 2023-07-11 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US12107308B2 (en) | 2022-05-09 | 2024-10-01 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11855324B1 (en) | 2022-11-15 | 2023-12-26 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell with heat pump |
| US12040517B2 (en) | 2022-11-15 | 2024-07-16 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell and methods of use thereof |
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