TW202241819A - Sewage seawater filtering and purifying apparatus simultaneously filtering charged and uncharged substances, reducing the replacement rate of consumables, and improving the purification degree - Google Patents

Abstract

This invention relates to a sewage seawater filtering and purifying apparatus provided with a first pump, a coarse filter, a second pump, a first centrifugal filter, a third pump, a second centrifugal filter, a fourth pump, at least one electrodialysis device and a terminal liquid storage tank. The coarse filter is communicated with the first pump. The second pump is communicated with the coarse filter. The first centrifugal filter is communicated with the second pump. The third pump is communicated with the first centrifugal filter. The second centrifugal filter is communicated with the third pump. The fourth pump is communicated with the second centrifugal filter. The at least one electrodialysis device is communicated with the fourth pump. The terminal liquid storage tank is communicated with the at least one electrodialysis device. This invention provides a sewage seawater filtering and purifying apparatus capable of simultaneously filtering charged and uncharged substances, reducing the replacement rate of consumables, and improving the purification degree.

Description

Sewage Seawater Filtration and Purification Device

The invention relates to a sewage and seawater filtration and purification device, especially a sewage and seawater filtration and purification device that can simultaneously filter out charged and uncharged substances, reduce the replacement rate of consumables, and improve the purification degree of sewage and seawater.

Electrodialysis (Electro Dialysis, ED) is an environment in which a cation permeable membrane and an anion permeable membrane are alternately arranged between two electrodes, and a DC electric field is applied to the two electrodes to make the cations in the liquid move to the cathode. When the cations move to the cation permeable membrane When it moves to the anion permeable membrane, it is blocked. On the contrary, the anion in the liquid moves to the anode. When the anion moves to the anion permeable membrane, it can pass through, and when it moves to the cation permeable membrane, it is blocked, so that the liquid in the liquid Electrodialysis technology is currently widely used in seawater desalination treatment, sewage purification treatment, heavy metal wastewater treatment and purification of acids and other fields.

Although electrodialysis technology can indeed remove ions in liquids such as seawater and sewage, electrodialysis technology lacks supporting equipment and cannot remove uncharged substances such as algae, large particles of impurities, suspended particles and organic matter in seawater. The practicability of the liquid treated by electrodialysis is limited. Moreover, after long-term use, these uncharged substances are easy to block the osmotic membrane, requiring users to frequently replace the osmotic membrane, which increases the operating cost. Therefore, the existing electrodialysis technology Sincerely there is room for improvement.

In order to solve the lack of supporting equipment in the existing electrodialysis technology, it can only remove ions in liquids such as seawater and sewage, but cannot remove uncharged substances in liquids, resulting in the limited practicability of liquids treated by electrodialysis. And after long-term use, these uncharged substances are easy to block the permeable membrane, so that the user has to frequently replace the permeable membrane, which increases the operating cost. The main purpose of the present invention is to provide a sewage seawater filter that can solve the current technical problems Purification device, which includes: a first pump; a coarse filter, which communicates with the first pump; a second pump, the second pump communicates with the coarse filter; A first centrifugal filter, the first centrifugal filter communicated with the second pump; a third pump, the third pump communicates with the first centrifugal filter; a second centrifugal filter, the second centrifugal filter communicates with the third pump; a fourth pump, the fourth pump communicates with the second centrifugal filter; at least one electrodialysis device in communication with the fourth pump; and a terminal reservoir in communication with the at least one electrodialysis device; Wherein, the liquid flows through the first pump, the coarse filter, the second pump, the first centrifugal filter, the third pump, the second centrifugal filter, the fourth pump, The at least one electrodialysis device and the terminal reservoir.

Further, as mentioned above, the sewage and seawater filtration and purification device, wherein the sewage and seawater filtration and purification device is equipped with an ion exchange resin device, and the ion exchange resin device is connected with the fourth pump and the at least one electrodialysis device; the liquid flows into After the fourth pump, it flows through the fourth pump and the at least one electrodialysis device in sequence.

Still further, the sewage and seawater filtration and purification device as mentioned above, wherein the sewage and seawater filtration and purification device is provided with a relay storage tank, and the relay storage tank is connected with the ion exchange resin equipment and the at least one electrodialysis equipment ; After the liquid flows into the ion exchange resin device, it flows through the relay storage tank and the at least one electrodialysis device in sequence.

Furthermore, the sewage and seawater filtration and purification device as mentioned above, wherein the sewage and seawater filtration and purification device is provided with a fifth pump, and the fifth pump is connected with the relay liquid storage tank and the at least one electrodialysis device; After the liquid flows into the relay storage tank, it flows through the fifth pump and the at least one electrodialysis device in sequence.

Preferably, the aforementioned sewage and seawater filtration and purification device, wherein the coarse filter is provided with a flow space and two filter elements; the flow space is formed in the coarse filter, and is connected with the first pump and the The second pump is connected, and the two filter elements are arranged in the flow space.

More preferably, in the sewage and seawater filtration and purification device as mentioned above, each filter element is electrified.

More preferably, in the device for filtering and purifying sewage and seawater as mentioned above, each filter element is a spring.

More preferably, the sewage seawater filtration and purification device as mentioned above, wherein the second centrifugal filter is provided with a chamber and at least one magnet; the chamber is formed in the second centrifugal filter, and is connected with the third centrifugal filter The pump and the fourth pump are connected; the at least one magnet is arranged in the chamber.

More preferably, the aforementioned sewage and seawater filtration and purification device, wherein the second pump is provided with an ozone machine.

By the above-mentioned technical means, the effect enhancement obtained by the present invention has: Compared with the lack of supporting equipment in the existing electrodialysis technology, the ions in the liquid can only be removed, but the uncharged substances in the liquid cannot be removed; the sewage and seawater filtration and purification device of the present invention, before the liquid enters the at least one electrodialysis device, sequentially Flow through the coarse filter, the first centrifugal filter, the second centrifugal filter and the ion exchange resin equipment, so that the bulky substances and living organisms in the liquid can be filtered out by the coarse filter first, and then passed through The first centrifugal filter and the second centrifugal filter filter out small particle impurities, oil and some metal substances, soften the water quality and initially filter out ions through the ion exchange resin equipment, and then flow into the In at least one electrodialysis device, the electrodialysis operation is performed, and the at least one electrodialysis device further filters out ions in the liquid, and finally sends the completely filtered and purified liquid into the terminal liquid storage tank, whereby the present invention filters Compared with the existing electrodialysis technology, the purification device can remove substances such as algae, large particles of impurities, organic matter and metal substances, and can prevent these uncharged substances from blocking the permeable membrane when the liquid directly enters the at least one electrodialysis device. situation, thereby reducing the replacement rate of consumables, thereby reducing operating costs, and improving the cleanliness of the liquid, so that the sewage and seawater treated by the sewage and seawater filtration and purification device of the present invention do not need to undergo excessive back-end treatment operations.

In order to understand the technical characteristics and practical effects of the present invention in detail, and to realize them according to the contents of the specification, the preferred embodiment shown in the drawings will be described in detail as follows:

A preferred embodiment of the sewage seawater filtration and purification device proposed by the present invention is shown in Figure 1, which includes a first pump 10A, a coarse filter 20, a second pump 10B, and a first centrifugal filter 30A , a third pump 10C, a second centrifugal filter 30B, a fourth pump 10D, an ion exchange resin device 40, a relay storage tank 50, a fifth pump 10E, at least one electrodialysis device 60 and a terminal liquid storage tank 70, and it is used to purify liquids such as sea water and sewage, wherein:

As shown in FIGS. 1 and 2 , the first pump 10A is provided with a first pump inlet pipe 11A and a first pump outlet pipe 12A. The first pump inlet pipe 11A and the first pump outlet pipe 12A are respectively arranged on both sides of the first pump 10A, and communicate with the first pump 10A respectively, and the liquid enters through the first pump. The water pipe 11A is drawn into the first pump 10A, and flows out of the first pump 10A through the first pump outlet pipe 12A. The coarse filter 20 is spaced apart from the first pump 10A, communicates with the first pump 10A through the first pump outlet pipe 12A, and is provided with a flow space 21 and two filter elements 22; the flow space 21 is formed in the coarse filter 20, and communicates with the first pump 10A through the first pump outlet pipe 12A, and the liquid system flows into the flow space 21 through the first pump outlet pipe 12A; Two filter elements 22 are arranged in this flow space 21, in order to filter the liquid in this flow space 21, in a preferred embodiment of the present invention, each filter element 22 is a spring, that is, this coarse filter 20 is a spring Filter, since the spring filter belongs to the prior art, it will not be repeated. Further, each filter element 22 can be energized, whereby living organisms such as plankton in the liquid can be shocked by electric shock when the liquid flows through each filter element 22, Avoid the situation that small living organisms are not filtered out by the filter elements 22 .

As shown in Figures 1 and 2, the second pump 10B is located on the side of the coarse filter 20 away from the first pump 10A, communicates with the coarse filter 20, and is provided with a second pump inlet Water pipe 11B, a second pump outlet pipe 12B and an ozone machine 13B; the second pump inlet pipe 11B is located on the side of the second pump 10B adjacent to the coarse filter 20, and is connected with the second pump 10B, and the end of the second pump inlet pipe 11B away from the second pump 10B is connected with the flow space 21 of the coarse filter 20; the second pump outlet pipe 12B is located at the second pump 10B is away from the side of the coarse filter 20, and communicates with the second pump 10B; the ozone machine 13B is located on the top of the second pump 10B, and contains ozone inside, and the ozone dissolves in the second pump 10B. After the liquid in the second pump 10B, the liquid flowing through the second pump 10B can be sterilized. The first centrifugal filter 30A is located on the side of the second pump 10B away from the coarse filter 20, and communicates with the second pump 10B through the second pump outlet pipe 12B. The device 30A is a prior art, so it will not be described in detail; further, if the liquid is oily sewage, the first centrifugal filter 30A separates the liquid from oil and water, whereby the liquid discharged through the first centrifugal filter 30A is oil-free. of sewage.

As shown in Figures 1 and 2, the third pump 10C is located on the side of the first centrifugal filter 30A away from the second pump 10B, communicates with the first centrifugal filter 30A, and has a first Three pump inlet pipes 11C and one third pump outlet pipe 12C. The third pump inlet pipe 11C is located on the side of the third pump 10C adjacent to the first centrifugal filter 30A, and communicates with the third pump 10C, and the third pump inlet pipe 11C is far away from the third pump. One end of the third pump 10C communicates with the first centrifugal filter 30A; the third pump outlet pipe 12C is located on the side of the third pump 10C away from the first centrifugal filter 30A, and is connected to the first centrifugal filter 30A. The three pumps 10C are connected. The second centrifugal filter 30B is located on the side of the third pump 10C away from the first centrifugal filter 30A, and communicates with the third pump 10C through the third pump outlet pipe 12C. The second centrifugal filter 30B is a prior art, so it will not be repeated; in a preferred embodiment of the present invention, the second centrifugal filter 30B is provided with a chamber 31B and at least one magnet 32B, and the chamber 31B is formed in the second The centrifugal filter 30B is connected to the third pump 10C through the third pump outlet pipe 12C, and the at least one magnet 32B is arranged in the chamber 31B, so that when the liquid contains metal substances, The at least one magnet 32B can absorb part of the metal substance, so that the content of the metal substance in the liquid discharged through the second centrifugal filter 30B is reduced.

As shown in Figures 1 and 2, the fourth pump 10D is located on the side of the second centrifugal filter 30B away from the third pump 10C, communicates with the second centrifugal filter 30B, and has a first Four pump inlet pipes 11D and one fourth pump outlet pipe 12D. The fourth pump inlet pipe 11D is located on the side of the fourth pump 10D adjacent to the second centrifugal filter 30B, and communicates with the fourth pump 10D, and the fourth pump inlet pipe 11D is far away from the fourth pump. One end of the fourth pump 10D communicates with the chamber 31B of the second centrifugal filter 30B; the fourth pump outlet pipe 12D is located on the side of the fourth pump 10D away from the second centrifugal filter 30B, And communicate with the fourth pump 10D. The ion exchange resin device 40 is located on the side of the fourth pump 10D away from the second centrifugal filter 30B, and communicates with the fourth pump 10D through the fourth pump outlet pipe 12D. The equipment 40 can preliminarily remove ions in the liquid, and can soften hard water. The ion exchange resin equipment 40 belongs to the prior art, so it will not be described in detail. The relay storage tank 50 is set on the side of the ion exchange resin equipment 40 away from the fourth pump 10D, and is provided with a liquid storage tank inlet pipe 51; the liquid storage tank inlet pipe 51 is arranged on the relay storage tank The tank 50 is adjacent to one side of the ion exchange resin equipment 40 and communicates with the relay storage tank 50 , and the storage tank inlet pipe 51 is far away from the end of the relay storage tank 50 and the ion exchange resin equipment 40 connected.

As shown in Figures 1 and 2, the fifth pump 10E is located on the side of the relay storage tank 50 away from the ion exchange resin device 40, and communicates with the relay storage tank 50, and the fifth The pump 10E is provided with a fifth pump water inlet pipe 11E and a fifth pump water outlet pipe 12E; the fifth pump water inlet pipe 11E is arranged on the side of the fifth pump 10E adjacent to the relay liquid storage tank 50, And communicate with the fifth pump 10E, and the end of the fifth pump inlet pipe 11E away from the relay reservoir 50 communicates with the relay reservoir 50; the fifth pump outlet pipe 12E is set The side of the fifth pump 10E away from the relay storage tank 50 is connected with the fifth pump 10E.

As shown in Figures 1 and 2, the at least one electrodialysis device 60 is located on the side of the fifth pump 10E away from the relay reservoir 50, and communicates with the fifth pump outlet pipe 12E through the fifth pump outlet pipe 12E. Pu 10E is connected, and the at least one electrodialysis device 60 is provided with two electrodes 62, a plurality of ion permeable membranes 64, a water outlet pipe 61 and a discharge pipe 63, and the two electrodes 62 are arranged in the at least one electrodialysis device 60, And the two electrodes 62 are applied with a DC electric field, and the plurality of ion-permeable membranes 64 are spaced between the two electrodes 62, wherein part of the ion-permeable membranes 64 are cation-permeable membranes, part of the ion-permeable membranes 64 are anion-permeable membranes, and cation-permeable membranes Alternately arranged with anion permeable membranes, the outlet pipe 61 communicates with the interior of the at least one electrodialysis device 60, and is used to discharge the liquid treated by electrodialysis. The discharge pipe 63 is slightly U-shaped, and the two outlet pipes 63 The top communicates with the at least one electrodialysis device 60 to discharge a solution containing ions. Taking seawater as an example, the seawater passes through the at least one electrodialysis device 60, and the solution discharged through the discharge pipe 63 contains sodium ions and chloride ions , since the operation principle of the at least one electrodialysis device 60 belongs to the prior art, it will not be described in detail; The dialysis equipment 60 is arranged at intervals, except for the electrodialysis equipment 60 arranged at the last position, the water outlet pipe 61 of each electrodialysis equipment 60 is connected to the next electrodialysis equipment 60, and through the water outlet pipe 61 and the next electrodialysis equipment 60 connected.

As shown in Figures 1 and 2, the terminal liquid storage tank 70 is located on the side of the at least one electrodialysis device 60 away from the fifth pump 10E, and communicates with the at least one electrodialysis device 60 through the outlet pipe 61 The liquid treated by the at least one electrodialysis device 60 is finally input into the terminal liquid storage tank 70 through the water outlet pipe 61 for storage.

As shown in Figure 2, when the sewage and seawater filtration and purification device of the present invention is in use, the first pump 10A draws liquid into it through the first pump inlet pipe 11A, and then pumps the liquid through the first pump outlet pipe 12A. Input in the flow space 21 of this coarse filter 20, each filter element 22 of this coarse filter 20 can filter out the larger material such as algae, large particle impurity in the liquid, and each filter element 22 can be energized, thereby Shock the living organisms to avoid the situation that the smaller living organisms are not filtered out by the filter elements 22. Next, the second pump 10B draws the liquid initially filtered by the coarse filter 20, because the second pump 10B The ozone machine 13B is provided, and the liquid can be sterilized by ozone while flowing through the second pump 10B, and then the liquid is sent into the first centrifugal filter 30A through the second pump outlet pipe 12B. After the first centrifugal filter 30A separates small particle impurities or oil in the liquid by centrifugal force, the liquid is extracted by the third pump 10C, and then sent to the second centrifugal filter 30B for the second centrifugal filtration operation. The at least one magnet 32B in the second centrifugal filter 30B can absorb some metal substances, so that the impurity content of the liquid filtered through the second centrifugal filter 30B is further reduced.

Then the liquid is sucked by the fourth pump 10D and input into the ion exchange resin equipment 40, the ion exchange resin equipment 40 can preliminarily remove the ions in the liquid, soften the hard water, and be treated by the ion exchange resin equipment 40 The liquid in the liquid storage tank flows into the relay liquid storage tank 50 through the water inlet pipe 51 of the liquid storage tank, and the fifth pump 10E then inputs the liquid in the relay liquid storage tank 50 into the at least one electrodialysis device 60 for electrodialysis. The dialysis treatment further removes ions in the liquid, wherein, the purpose of setting the relay storage tank 50 is because the operation time of the at least one electrodialysis device 60 is relatively long, in order to avoid that the at least one electrodialysis device 60 is too late to operate Firstly, the liquid that is initially deionized by the ion exchange resin device 40 is stored in the relay storage tank 50, and the liquid that has been processed by the at least one electrodialysis device 60 finally flows into the terminal storage tank 70 for use Otherwise, the filtered liquid can be obtained in the terminal liquid storage tank 70 . The device for filtering and purifying sewage and seawater of the present invention can be used for purifying liquids such as seawater or sewage.

In other preferred embodiments, the filtration and purification device may not use the ion exchange resin device 40 , the relay storage tank 50 and the fifth pump 10E, and the filtration and purification device can still be used normally.

By the above-mentioned technical means, the effect enhancement obtained by the present invention has: Compared with the lack of supporting equipment in the existing electrodialysis technology, the ions in the liquid can only be removed, but the uncharged substances in the liquid cannot be removed; the sewage and seawater filtration and purification device of the present invention, before the liquid enters the at least one electrodialysis device 60, according to Sequentially flow through the coarse filter 20, the first centrifugal filter 30A, the second centrifugal filter 30B and the ion exchange resin device 40, so that the larger substances and living organisms in the liquid can be passed through the coarse filter first. 20, and through the first centrifugal filter 30A and the second centrifugal filter 30B to filter out small particle impurities, oil and some metal substances, through the ion exchange resin equipment 40 to soften the water quality and initially filter out ions, after After the above pretreatment, it flows into the at least one electrodialysis device 60 for electrodialysis operation. The at least one electrodialysis device 60 further filters out the ions in the liquid, and finally sends the completely filtered and purified liquid into the terminal In the liquid storage tank 70, thereby, compared with the existing electrodialysis technology, the sewage seawater filtration and purification device of the present invention can remove substances such as algae, large particle impurities, organic matter and metal substances, and can prevent liquid from directly entering the at least one electrodialysis device. When the dialysis equipment is 60, these uncharged substances block the situation of the permeable membrane, thereby reducing the replacement rate of consumables, thereby reducing operating costs, and improving the cleanliness of the liquid, allowing the sewage and seawater treated by the sewage and seawater filtration and purification device of the present invention to Seawater no longer has to do as much back-end processing.

10A: The first pump 11A: The first pump inlet pipe 12A: The first pump outlet pipe 10B: Second pump 11B: Second pump inlet pipe 12B: Second pump outlet pipe 13B: Ozone machine 10C: The third pump 11C: The third pump inlet pipe 12C: Third pump outlet pipe 10D: The fourth pump 11D: The fourth pump inlet pipe 12D: Fourth pump outlet pipe 10E: Fifth pump 11E: Fifth pump inlet pipe 12E: Fifth pump outlet pipe 20: coarse filter 21: Flow space 22: filter element 30A: the first centrifugal filter 30B: Second centrifugal filter 31B: chamber 32B: magnet 40: Ion exchange resin equipment 50: relay reservoir 51: Water tank inlet pipe 60:Electrodialysis equipment 61: Outlet pipe 62: electrode 63: discharge pipe 64: ion permeable membrane 70: Terminal reservoir

Fig. 1 is a schematic side view of a preferred embodiment of the present invention. Fig. 2 is a schematic side view of the implementation state of the preferred embodiment of the present invention.

10A: The first pump

11A: The first pump inlet pipe

12A: The first pump outlet pipe

10B: Second pump

11B: Second pump inlet pipe

12B: Second pump outlet pipe

13B: Ozone machine

10C: The third pump

11C: The third pump inlet pipe

12C: Third pump outlet pipe

10D: The fourth pump

11D: The fourth pump inlet pipe

12D: Fourth pump outlet pipe

10E: Fifth pump

11E: Fifth pump inlet pipe

12E: Fifth pump outlet pipe

20: coarse filter

21: Flow space

22: filter element

30A: the first centrifugal filter

30B: Second centrifugal filter

31B: chamber

32B: magnet

40: Ion exchange resin equipment

50: relay reservoir

51: Water tank inlet pipe

60:Electrodialysis equipment

61: Outlet pipe

62: electrode

63: discharge pipe

64: ion permeable membrane

70: Terminal reservoir

Claims (10)

A device for filtering and purifying sewage and seawater, which is equipped with: a first pump; a coarse filter, which communicates with the first pump; a second pump, the second pump communicates with the coarse filter; A first centrifugal filter, the first centrifugal filter communicated with the second pump; a third pump, the third pump communicates with the first centrifugal filter; a second centrifugal filter, the second centrifugal filter communicates with the third pump; a fourth pump, the fourth pump communicates with the second centrifugal filter; at least one electrodialysis device in communication with the fourth pump; and a terminal reservoir in communication with the at least one electrodialysis device; Wherein, the liquid flows through the first pump, the coarse filter, the second pump, the first centrifugal filter, the third pump, the second centrifugal filter, the fourth pump, The at least one electrodialysis device and the terminal reservoir. The sewage and seawater filtration and purification device as described in claim 1, wherein the sewage and seawater filtration and purification device is equipped with an ion exchange resin device, and the ion exchange resin device is connected with the fourth pump and the at least one electrodialysis device; the liquid flows into After the fourth pump, it flows through the fourth pump and the at least one electrodialysis device in sequence. The sewage and seawater filtration and purification device as described in claim 2, wherein the sewage and seawater filtration and purification device is provided with a relay storage tank, and the relay storage tank is connected with the ion exchange resin equipment and the at least one electrodialysis equipment; After the liquid flows into the ion exchange resin device, it flows through the relay liquid storage tank and the at least one electrodialysis device in sequence. The sewage and seawater filtration and purification device as described in claim 3, wherein the sewage and seawater filtration and purification device is provided with a fifth pump, and the fifth pump is connected with the relay liquid storage tank and the at least one electrodialysis device; liquid After flowing into the relay storage tank, it flows through the fifth pump and the at least one electrodialysis device in sequence. The sewage and seawater filtration and purification device as described in any one of claims 1 to 4, wherein the coarse filter is provided with a flow space and two filter elements; the flow space is formed in the coarse filter and is connected with the first gang The pump and the second pump are connected, and the two filter elements are arranged in the flow space. The device for filtering and purifying sewage and seawater as described in Claim 5, wherein each filter element is energized. The device for filtering and purifying sewage and seawater as described in Claim 6, wherein each filter element is a spring. The sewage and seawater filtration and purification device as described in any one of claims 1 to 4, wherein the second centrifugal filter is provided with a chamber and at least one magnet; the chamber is formed in the second centrifugal filter, and is connected with the second centrifugal filter The third pump and the fourth pump are connected; the at least one magnet is arranged in the chamber. The sewage and seawater filtration and purification device as described in claim 6, wherein the second centrifugal filter is provided with a chamber and at least one magnet; the chamber is formed in the second centrifugal filter, and is connected with the third pump and The fourth pump is connected; the at least one magnet is arranged in the cavity. The sewage and seawater filtration and purification device as described in Claim 6, wherein the second pump is provided with an ozone machine.

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