TW202328006A - Batch purification dialysis device for sewage and seawater capable of greatly reducing ion concentration in the raw water and highly purifying the raw water - Google Patents

Abstract

The present invention relates to a batch purification dialysis device for sewage and seawater, which includes a raw water storage tank, an ion discharge cylinder, a connecting pipe and a control host; the raw water storage tank has a central electrode member located inside the raw water storage tank; the ion discharge cylinder is provided with a peripheral electrode member located inside the ion discharge cylinder; the connecting pipe connects the ion discharge cylinder and the raw water storage tank; the control host includes an electrode conversion module, and the electrode conversion module is electrically connected with the central electrode member and the peripheral electrode member, and is configured to supply power so the central electrode member and the peripheral electrode member are respectively used as the cathode and the anode which can operate in reverse polarity. The present invention uses the electrode conversion module to enable the central electrode member and the peripheral electrode member to operate in reverse polarity, and can remove anions and cations in batches from the raw water inside the raw water storage tank. As a result, the present invention greatly reduces ion concentration in the raw water and highly purifies the raw water.

Description

Sewage seawater batch purification dialysis device

The invention relates to a water purification device, especially a sewage and seawater batch purification dialysis device.

Water resources have been a problem that human society has faced for a long time. With the increasing population, the relative shortage of water resources is becoming more and more common. Therefore, people have also developed many products such as reverse osmosis, electrodialysis, and inverted electrodialysis. A method of purifying seawater or sewage.

The electrodialysis device using electrodialysis method or inverted electrodialysis method includes a selective ion exchange membrane, and a concentrated water chamber and a fresh water chamber are formed between the ion exchange membranes. By applying an electric field to the inside of the electrodialysis device, the The ions pass through the ion exchange membrane or are blocked by the ion exchange membrane due to the activity of the electric field. In this way, after the raw water to be purified enters the electrodialysis device, the concentration of some ions in the concentrated water chamber gradually increases, and the concentration of some ions in the fresh water chamber gradually increases. decrease to achieve the effect of purification and deionization; however, in order to ensure a better deionization effect, it is usually necessary to install more ion exchange membranes in the electrodialysis device to separate enough concentrated water chambers and fresh water chambers, resulting in electrodialysis The overall cost of the device is high, and the cost of the water purification process increases accordingly.

In order to solve the problem that the electrodialysis device needs to install more ion exchange membranes in order to ensure a better deionization effect, resulting in high overall cost of the electrodialysis device and the consequent increase in the cost of the water purification process, the purpose of this creation is to propose A sewage and seawater batch purification dialysis device capable of removing anions and cations in batches, thereby greatly reducing the ion concentration of sewage and seawater.

The sewage and seawater batch purification dialysis device proposed by this creation to solve the technical problems includes: a raw water storage tank provided with a central electrode located inside the raw water storage tank; a plurality of discharge barrels, each of which is provided with a peripheral electrode member located inside the discharge barrel; A plurality of sets of connecting pipes, the connecting pipes of the plurality of groups are respectively connected to a plurality of the discharge cylinders and the raw water storage tank; each set of connecting pipes includes a connecting pipe, and the connecting pipe is provided with a channel, a water stop valve and a permeable membrane; The channel connects the interior of the raw water storage tank with the interior of the corresponding discharge cylinder; the water stop valve can be driven to close the channel; the permeable membrane is disposed within the channel and blocks the channel; and A control host, which includes an electrode conversion module; The electrode conversion module is electrically connected with the central electrode part and the peripheral electrode parts of each of the discharge cylinders; the electrode conversion module can supply power to the central electrode part and the peripheral electrode parts of each of the discharge cylinders, so that the central The electrode parts and the peripheral electrode parts of each of the discharge cylinders are respectively used as a cathode and an anode capable of reverse polarity operation.

Said sewage and seawater batch purification dialysis device, wherein said raw water storage tank is provided with a water outlet pipe, a water inlet, and a water outlet valve connected to the inside of the raw water storage tank; the water outlet valve can be driven to close the outlet pipe.

The sewage and seawater batch purification dialysis device includes a capacitive desalination device, and the outlet pipe communicates with the inside of the raw water storage tank and the capacitive desalination device; the capacitive desalination device includes two capacitive electrodes, each The capacitive electrode part is located inside the capacitive desalination device; the electrode conversion module is electrically connected to the two capacitive electrode parts, and can supply power to the two capacitive electrode parts, so that the two capacitive electrode parts act as A cathode and an anode.

Said sewage and seawater batch purification dialysis device, wherein said capacitive desalination device comprises an outer tank and an inner tank; the inner tank is arranged inside the outer tank, and the notch of the inner tank is located lower than the The position of the notch of the outer tank; the outlet pipe is connected to the inside of the outer tank; the two capacitive electrode parts are arranged inside the inner tank, and are respectively attached to the opposite side walls of the inner tank.

Said sewage and seawater batch purification dialysis device, wherein said capacitive desalination device is provided with a water outlet and a water outlet control valve; the water outlet communicates with the interior of the inner tank, and the water outlet control valve can be driven to open Or close the water head.

In the batch purification dialysis device for sewage and seawater, each of the discharge cylinders is provided with a drain head connected to the interior of the discharge cylinder, and a drain valve; the drain valve can be driven to close the drain head.

In the dialysis device for batch purification of sewage and seawater, the control host includes a time-limiting relay, and the time-limiting relay is electrically connected with the electrode conversion module.

Said sewage and seawater batch purification dialysis device, wherein said water outlet valve, each said drain valve and each said water stop valve are all electric valves, and said water outlet valve, each said drain valve and each said water stop valve The water stop valve is electrically connected with the time-limited relay of the control host.

Said sewage seawater batch purification dialysis device, wherein said central electrode part and peripheral electrode parts of each said discharge cylinder are made of graphite.

The improvement of the technical means of this creation lies in: Compared with the existing electrodialysis device, more ion exchange membranes are needed to achieve a better deionization effect, resulting in a higher cost of the existing electrodialysis device; the sewage and seawater batches of this creation Purification dialysis device, through the electrode conversion module, the central electrode part of the raw water storage cylinder and the peripheral electrode parts of each discharge cylinder are reversed to operate, and can remove anions and cations in batches from the raw water inside the raw water storage cylinder, Thus, the ion concentration of the raw water is greatly reduced; this creation uses a simple structure to achieve a better deionization effect at a certain cost, reducing the cost of the water purification process.

In order to understand the technical characteristics and practical effects of this creation in detail, and to realize it according to the content of the creation, the preferred embodiment shown in the figure is further described in detail as follows:

As shown in Figure 1, the sewage and seawater batch purification dialysis device of the preferred embodiment of the present invention includes a raw water storage cylinder 10, four discharge cylinders 20, four sets of connecting pipes 3, a capacitor desalination device 40 and a control host 50.

As shown in Figure 2, the raw water storage tank 10 is provided with a water inlet 11 and a water outlet pipe 12 connected to the inside of the raw water storage tank 10, as well as a central electrode 13 and a water outlet valve 14; the water inlet 11 is located at the The top of the raw water storage cylinder 10, the outlet pipe 12 is located at the bottom of the raw water storage cylinder 10; the central electrode member 13 is located inside the raw water storage cylinder 10, and extends from the top of the raw water storage cylinder 10 toward the bottom of the raw water storage cylinder 10 ; The outlet valve 14 is located on the outlet pipe 12, and can be driven to close or open the outlet pipe 12.

As shown in Figure 2, each of the discharge cylinders 20 is provided with a drain head 21 communicating with the inside of the discharge cylinder 20, a drain valve 22, and a peripheral electrode member 23; the drain head 21 is located at the discharge cylinder 20 The drain valve 22 is located at the drain head 21, and the drain valve 22 can be driven to close or open the drain head 21; the peripheral electrode member 23 is located inside the discharge cylinder 20, and is discharged from the drain The top of the cartridge 20 extends towards the bottom of the discharge cartridge 20 .

As shown in Figure 1, the four groups of connecting pipes 3 are respectively connected to the four discharge cylinders 20 and the raw water storage cylinder 10, and the four discharge cylinders 20 and the four groups of connection pipes 3 surround the raw water storage cylinder 10; Each set of connecting pipes 3 includes two connecting pipes 30, as shown in Figure 2, each of the connecting pipes 30 is provided with a channel 31, a water stop valve 32 and a permeable membrane 33; the channel 31 communicates with the inside of the raw water storage tank 10 And the inside of the corresponding discharge cylinder 20; the water stop valve 32 can be driven to close or open the passage 31; the permeable membrane 33 is arranged in the passage 31 and blocks the passage 31, so that the liquid is stored from the raw water When the inside of the cylinder 10 flows to the discharge cylinder 20 through the connecting pipe 30, it must pass through the permeable membrane 33; in this preferred embodiment, the water stop valve 32 is located between the permeable membrane 33 and the raw water In addition, preferably, the two connecting pipes 30 of each group of connecting pipes 3 are close to the top of the raw water storage cylinder 10 and the bottom of the raw water storage cylinder 10 respectively.

As shown in Figure 3, the capacitive desalination device 40 includes an outer tank 41, an inner tank 42, two capacitive electrode parts 43, a water outlet 44 and a water outlet control valve 45; as shown in Figure 1, the outer tank 41 includes a ring groove wall with a square profile; as shown in Figure 3, the inner groove 42 is located inside the outer groove 41, the position of the notch of the inner groove 42 is lower than the position of the notch of the outer groove 41, The inner tank 42 also includes an annular groove wall with a square outline, an annular space S1 is formed between the annular groove wall of the outer tank 41 and the inner groove wall of the inner tank 42, and the outlet pipe 12 of the raw water storage cylinder 10 is Connecting the inside of the raw water storage cylinder 10 and the annular space S1, the annular groove wall of the inner tank 42 includes opposite side walls 421; two capacitive electrode members 43 are arranged in the inner tank 42 at intervals, And respectively close to the two side walls 421 of the inner tank 42; each of the capacitive electrode parts 43 is made of activated carbon material or carbon airgel material, which has good conductivity, and can allow ions to adsorb on each of the capacitive electrode parts when electrified. The surface of the capacitive electrode part 43; the water outlet head 44 communicates with the interior of the inner tank 42; the water outlet head control valve 45 is located on the water outlet head 44, and can be driven to close or open the water outlet head 44.

As shown in Figure 4, the control host 50 includes an electrode conversion module 51 and a time-limiting relay 52; Part 23, and the two capacitive electrode parts 43 of the capacitive desalination device 40 are electrically connected; The peripheral electrode parts 23 of the discharge cylinder 20 make the central electrode part 13 and each of the peripheral electrode parts 23 respectively serve as cathodes and anodes capable of reverse polarity operation. For example, as shown in FIGS. 5 and 6 in detail, first The electrode conversion module 51 connects the central electrode part 13 of the raw water storage cylinder 10 and the peripheral electrode parts 23 of each of the discharge cylinders 20 to the negative pole and the positive pole of a DC power supply respectively, so that the central electrode of the raw water storage cylinder 10 Part 13 is used as a cathode, and the peripheral electrode parts 23 of each of the discharge cylinders 20 are used as anodes. Then, as shown in FIG. , the central electrode member 13 is changed to be connected to the positive pole of the DC power supply, and each of the peripheral electrode members 23 is changed to be connected to the negative pole of the DC power supply, so that the central electrode member 13 of the raw water storage cylinder 10 is used as an anode, each The peripheral electrode part 23 of the discharge cylinder 20 is used as a cathode, so that the reverse polarity operation of the central electrode part 13 and each of the peripheral electrode parts 23 is completed, and the electrode conversion module 51 can complete the central electrode part 13 and each of the peripheral electrode parts. The detailed structure of the reverse pole operation of the peripheral electrode parts 23 is the conventional content of the reverse pole electrodialysis method described in the prior art, so no more details are given here; as shown in Figure 8, the electrode conversion model The group 51 can also supply power to the two capacitive electrode parts 43, so that the two capacitive electrode parts 43 are respectively used as a cathode and an anode; as shown in Figure 4, the time-limiting relay 52 is electrically connected with the electrode conversion module 51 , the time-limited relay 52 allows the user to reverse the polarity of the above-mentioned electrode conversion module 51 to the central electrode member 13 and each of the peripheral electrode members 23 and the electrode conversion module 51 to the two capacitive electrode members 43 The timing control of the power supply enables the sewage and seawater batch purification dialysis device to run automatically and regularly, and the detailed structure of the time-limiting relay 52 is a known technology, so it will not be repeated here.

In this preferred embodiment, the central electrode part 13 and the peripheral electrode parts 23 of each of the discharge cylinders 20 are made of graphite, which are easy to process and shape; in addition, in this preferred embodiment, the water outlet valve 14 , each of the drain valves 22, each of the water stop valves 32, and the water outlet control valve 45 are all manual valves, which are manually driven. In fact, the water outlet valve 14, each of the drain valves 22, and each of the water stop valves 32 and the water outlet control valve 45 can also choose to adopt the form of an electric valve, and preferably, the water outlet valve 14, each of the drain valves 22, each of the water stop valve 32 and the water outlet control valve 45 can be connected with the control The time-limiting relay 52 of the main engine 50 is electrically connected, so that the user can carry out timing control on the operation of the water outlet valve 14, each of the drain valves 22, each of the water stop valves 32 and the water outlet control valve 45, and is not affected by this comparison. limited by the preferred embodiment.

The sewage and seawater batch purification dialysis device of the preferred embodiment of the present creation, its usage system is as follows: as shown in Figure 5, first the sewage or seawater (hereinafter collectively referred to as raw water) to be treated with high ion concentration is fed from the inlet The water port 11 is input into the inside of the raw water storage cylinder 10. At this time, the water outlet valve 14 closes the water outlet pipe 12, and each of the drain valves 22 closes the corresponding drain head 21. After the raw water flows into the inside of the raw water storage cylinder 10 will flow into the interior of the discharge cylinder 20 through the channel 31; then the electrode conversion module 51 supplies power to the central electrode part 13 of the raw water storage cylinder 10 and the peripheral electrode parts 23 of each of the discharge cylinders 20, so that The central electrode member 13 is used as a cathode, and each of the peripheral electrode members 23 is used as an anode, so as to form an electric field, and drive anions in the raw water to pass through the permeable membrane 33 and approach each of the peripheral electrode members 23 as anodes. The cations in the raw water are close to the central electrode member 13 as the cathode. After standing for a period of time, as shown in FIGS. The drain valve 22 opens the corresponding drain head 21 to discharge the liquid containing high-concentration anions in the discharge cylinder 20, thus completing an anion removal step.

Next, the electrode conversion module 51 performs polarity inversion operation on the central electrode member 13 and each of the peripheral electrode members 23, as shown in FIG. Drive each of the drain valves 22 to close the corresponding drain head 21, and then drive each of the stop valves 32 to open the corresponding channel 31, and the raw water can flow into the discharge cylinder 20 through the channel 31 again. and driven by the converted electric field, the anions in the raw water approach the central electrode member 13 as the anode, and the cations in the raw water pass through the permeable membrane 33 and approach the peripheral electrodes as the cathode 23, after standing still for a period of time, drive each of the water stop valves 32 to close the corresponding passage 31, and drive each of the drain valves 22 to open the corresponding drain head 21, and then drain the drain valve 20 The liquid containing a high concentration of cations inside is discharged, and a cation removal step is completed.

Afterwards, the sewage seawater batch purification dialysis device is used to sequentially perform an anion removal step and a cation removal step to perform purification by batch removal of anions and cations in the raw water inside the raw water storage tank 10, so that The ion concentration in the raw water is greatly reduced, and then the outlet valve 14 is driven to open the outlet pipe 12 , so that the purified raw water inside the raw water storage cylinder 10 flows out through the outlet pipe 12 .

In this preferred embodiment, the sewage and seawater batch purification dialysis device further includes the capacitive desalination device 40, and the above-mentioned purified raw water will flow into the annular space S1 after passing through the outlet pipe 12, and the water level will gradually rise Then flow into the inside of the inner tank 42, at this time, the water outlet control valve 45 closes the water outlet 44; then the electrode conversion module 51 supplies power to the two capacitive electrode parts 43, as shown in Figure 8, so that the two capacitors The polar electrode member 43 serves as a cathode and an anode respectively. When the purified raw water enters the interior of the inner tank 42, the residual anions will be adsorbed on the surface of the capacitive electrode member 43 as the anode, and the remaining cations will It will be adsorbed on the surface of the capacitive electrode member 43 as the cathode, so as to further purify the raw water. After standing for a period of time, drive the water outlet control valve 45 to open the water outlet 44, and further improvement can be obtained. The raw water after purification.

In this preferred embodiment, the flow of the raw water is controlled through the water inlet 11, the water outlet pipe 12, and each of the drain heads 21 together with the water outlet valve 14 and each of the drain valves 22; in fact, the raw water storage tank 10 also can not be provided with this water inlet 11, this water outlet pipe 12 and this water outlet valve 14, each this discharge cylinder 20 also can not be provided with this drain head 21, this drain valve 22, this sewage seawater batch purification dialysis device can also be Choose the raw water storage cylinder 10 and each of the drainage cylinders 20 to be provided with openings and caps that close the openings. When raw water needs to be exported or imported, the caps are opened, and the raw water is pumped out or poured in with a motor and a water pipe. This is not affected by this. limited by preferred embodiments.

Through the above technical features, this creation has the following efficiency gains: Compared with the existing electrodialysis device, more ion exchange membranes are required to achieve a better deionization effect, resulting in a higher cost of the existing electrodialysis device; the sewage and seawater batches of this creation In the purification dialysis device, through the electrode conversion module 51, the central electrode part 13 of the raw water storage cylinder 10 and the peripheral electrode parts 23 of each of the discharge cylinders 20 are reversed, so that all the internal parts of the raw water storage cylinder 10 can be reversed. The above-mentioned raw water removes anions and cations in batches, and the ion concentration of the raw water is greatly reduced. This creation uses simple structural settings to achieve a better deionization effect at a certain cost.

The above is only a preferred embodiment of this creation, and does not limit this creation in any form. Anyone with ordinary knowledge in the technical field can use this creation without departing from the scope of the technical solutions proposed in this creation. Creation of equivalent embodiments with partial changes or modifications made to the disclosed technical content, and without departing from the content of the technical solution of the creation, all still fall within the scope of the technical solution of the creation.

10: Raw water storage tank 11: water inlet 12: Outlet pipe 13: Central electrode piece 14: Outlet valve 20: Discharge barrel 21: drain head 22: drain valve 23: Peripheral electrode parts 3: connecting pipe 30: connecting pipe 31: channel 32: water stop valve 33: permeable membrane 40:Capacitive desalination device 41: outer groove 42: inner groove 421: side wall 43: capacitive electrodes 44: Outlet head 45: Outlet head control valve 50:Control host 51: Electrode conversion module 52: Time limit relay S1: Ring space

Fig. 1 is the structural representation of the preferred embodiment of this creation. Fig. 2 is the structural representation of the raw water storage barrel and the discharge cylinder of the preferred embodiment of the invention. Fig. 3 is a structural schematic diagram of a capacitive desalination device in a preferred embodiment of the present invention. Fig. 4 is the block diagram of the preferred embodiment of this creation. Fig. 5 is the schematic diagram of the use status of the raw water storage tank and the discharge cylinder of the preferred embodiment of the invention. Fig. 6 is another schematic diagram of the use state of the raw water storage tank and the discharge cylinder of the preferred embodiment of the invention. Fig. 7 is another schematic diagram of the use state of the raw water storage tank and the discharge cylinder of the preferred embodiment of the invention. Fig. 8 is a schematic diagram of the use state of the capacitive desalination device of the preferred embodiment of the present invention.

10: Raw water storage tank

12: Outlet pipe

20: Discharge cylinder

3: connecting pipe

30: connecting pipe

40:Capacitive desalination device

50:Control host

Claims (10)

A sewage seawater batch purification dialysis device, which comprises: a raw water storage tank provided with a central electrode located inside the raw water storage tank; a plurality of discharge barrels, each of which is provided with a peripheral electrode member located inside the discharge barrel; A plurality of sets of connecting pipes, the connecting pipes of the plurality of groups are respectively connected to a plurality of the discharge cylinders and the raw water storage tank; each set of connecting pipes includes a connecting pipe, and the connecting pipe is provided with a channel, a water stop valve and a permeable membrane; The channel connects the interior of the raw water storage tank with the interior of the corresponding discharge cylinder; the water stop valve can be driven to close the channel; the permeable membrane is disposed within the channel and blocks the channel; and A control host, which includes an electrode conversion module; The electrode conversion module is electrically connected with the central electrode part and the peripheral electrode parts of each of the discharge cylinders; the electrode conversion module can supply power to the central electrode part and the peripheral electrode parts of each of the discharge cylinders, so that the central The electrode parts and the peripheral electrode parts of each of the discharge cylinders are respectively used as a cathode and an anode capable of reverse polarity operation. The sewage and seawater batch purification dialysis device as described in claim 1, wherein the raw water storage tank is provided with a water outlet pipe, a water inlet, and a water outlet valve connected to the inside of the raw water storage tank; the water outlet valve can be controlled by Drive to close the outlet pipe. The sewage and seawater batch purification dialysis device as described in claim 2, which includes a capacitive desalination device, and the outlet pipe communicates with the inside of the raw water storage tank and the inside of the capacitive desalination device; the capacitive desalination device includes two capacitive desalination devices Each of the capacitive electrode parts is located inside the capacitive desalination device; the electrode conversion module is electrically connected to the two capacitive electrode parts, and can supply power to the two capacitive electrode parts, so that the two capacitive electrode parts The electrode parts are respectively used as a cathode and an anode. The sewage and seawater batch purification dialysis device as described in claim 3, wherein the capacitance desalination device includes an outer tank and an inner tank; the inner tank is arranged inside the outer tank, and the opening of the inner tank is The position is lower than the position of the notch of the outer tank; the outlet pipe is connected to the inside of the outer tank; the two capacitive electrode parts are arranged inside the inner tank, and are respectively attached to the opposite sides of the inner tank side walls. The sewage and seawater batch purification dialysis device as described in claim 4, wherein the capacitive desalination device is provided with a water outlet and a water outlet control valve; the water outlet communicates with the interior of the inner tank, and the water outlet control valve can Driven to close the water outlet. The sewage and seawater batch purification dialysis device as described in any one of claims 2 to 5, wherein each of the discharge cylinders is provided with a drain head that communicates with the interior of the discharge cylinder, and a drain valve; the drain valve The drain head can be actuated to close. The sewage and seawater batch purification dialysis device as described in claim 6, wherein the control host includes a time-limiting relay, and the time-limiting relay is electrically connected to the electrode conversion module. The sewage and seawater batch purification dialysis device as described in claim 7, wherein the water outlet valve, each of the said drain valves and each of the said water stop valves are all electric valves, and the said water outlet valve, each of the said drain valves And each of the water stop valves is electrically connected with the time-limited relay of the control host. The sewage and seawater batch purification dialysis device according to any one of claims 1 to 5, wherein the central electrode part and the peripheral electrode parts of each of the discharge cylinders are made of graphite. The sewage and seawater batch purification dialysis device according to any one of claims 1 to 5, wherein the control host includes a time-limiting relay, and the time-limiting relay is electrically connected to the electrode conversion module.

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