Ion adsorption exchange device and method of operating same, ion adsorption exchange system

Abstract

The application discloses an ion adsorption and exchange device and an operation method thereof and an ion adsorption and exchange system, relates to the field of ion adsorption and exchange, and comprises a tank body arranged in a vertical direction, which is provided with a first port, a second port, a third port and a fourth port; a cylinder body arranged in the tank body and extending in the vertical direction, wherein the radial dimension of the cylinder body gradually decreases from top to bottom, the upper end of the cylinder body is sealed with the upper end face of the tank body, the lower end of the cylinder body is sealed with the lower end face of the tank body, a containing space is formed outside the outer side wall of the cylinder body in the tank body, the first port is located on the upper end face of the tank body and is in communication with the cylinder body, and the end of the first port is perpendicular to the radius of the cylinder body; the second port is located on the lower end face of the tank body and is in communication with the cylinder body, the third port is located on the upper end face of the tank body and is in communication with the containing space, and the like. The application can solve the problems that the reaction of wastewater with the adsorption material in the adsorption column is prone to incomplete contact adsorption and the adsorption material is not saturated.

Description

Technical Field

[0001] This invention relates to the field of ion adsorption exchange, and particularly to an ion adsorption exchange device and its operation method, and an ion adsorption exchange system. Background Technology

[0002] A patent with publication number CN217202173U discloses a continuous ion exchange system for treating heavy metal wastewater, including a wastewater storage tank, an adsorption main unit, an elution unit, a regeneration unit, and a product water tank. The adsorption main unit includes a first adsorption column, a second adsorption column, and a third adsorption column connected in series. The elution unit includes an eluent storage tank and an eluent recovery tank. The regeneration unit includes a regenerated liquid storage tank and a regenerated liquid recovery tank. The wastewater storage tank, the eluent storage tank, and the regenerated liquid storage tank are all connected in parallel to the top inlets of the first, second, and third adsorption columns. The eluent recovery tank, the regenerated liquid storage tank, and the product water tank are all connected in parallel to the bottom outlets of the first, second, and third adsorption columns. The bottom outlet of the third adsorption column is connected to the top inlet of the first adsorption column, so that two adsorption columns are connected in series to treat heavy metal wastewater, while the other adsorption column performs elution and regeneration. However, in the above scheme, when the wastewater reacts with the adsorbent material in the adsorption column, incomplete contact adsorption and unsaturated adsorption of the adsorbent material are prone to occur. These problems urgently need to be solved. Summary of the Invention

[0003] In order to overcome the above-mentioned defects of the prior art, the technical problem to be solved by the embodiments of the present invention is to provide an ion adsorption exchange device and its operation method, and an ion adsorption exchange system, which can solve the problems of incomplete contact adsorption and unsaturated adsorption of adsorption material when wastewater reacts with the adsorption material in the adsorption column.

[0004] The specific technical solution of this invention is as follows: An ion adsorption exchange device, the ion adsorption exchange device comprising: A tank arranged vertically, the tank having a first port, a second port, a third port and a fourth port; A cylindrical body is disposed within the tank. The sidewall of the cylindrical body has multiple through holes. The cylindrical body extends vertically, and its radial dimension gradually decreases from top to bottom. The upper end of the cylindrical body is sealed to the upper end face of the tank, and the lower end of the cylindrical body is sealed to the lower end face of the tank. A receiving space is formed outside the outer sidewall of the cylindrical body within the tank. A first port is located on the upper end face of the tank and communicates with the inside of the cylindrical body. The end of the first port is oriented perpendicular to the radius of the cylindrical body, so that the output liquid flows in a swirling motion along the inner sidewall of the cylindrical body. A second port is located on the lower end face of the tank and communicates with the inside of the cylindrical body. A third port is located on the upper end face of the tank and communicates with the receiving space. A fourth port is located on the lower end face of the tank and communicates with the receiving space. The containment space is used to fill ion exchange resin.

[0005] Preferably, there are at least two third ports, which are distributed circumferentially around the axis of the tank. There are at least two fourth ports, which are distributed circumferentially around the axis of the tank.

[0006] Preferably, the ion adsorption exchange device has a wastewater treatment mode, in which the first port and the third port are used to input wastewater; the second port is used to discharge the wastewater adsorbed in the cylinder, and the fourth port is used to discharge the wastewater adsorbed in the containment space. The ion adsorption exchange device also has a regeneration treatment state, in which the second port and the fourth port are used to input regenerated water that can regenerate the ion exchange resin, the first port is used to discharge the regenerated water inside the cylinder, and the third port is used to discharge the regenerated water in the containment space.

[0007] Preferably, the ion adsorption exchange device includes: a first main pipe, a first port connected to the first main pipe via a first branch pipe, a third port connected to the first main pipe via a third branch pipe, a first valve provided on the first branch pipe, a third valve provided on the third branch pipe, and a first main valve provided on the first main pipe; The second main pipeline has a second port connected to the second main pipeline via a second branch pipeline, and the fourth port connected to the second main pipeline via a fourth branch pipeline. A second valve is installed on the second branch pipeline, a fourth valve is installed on the fourth branch pipeline, and a second main valve is installed on the second main pipeline.

[0008] Preferably, an upper inspection hole is provided at the upper end face of the tank body, and a detachable upper sealing cover is installed at the upper inspection hole; a lower inspection hole is provided at the lower end face of the tank body, and a detachable lower sealing cover is installed at the lower inspection hole. An observation hole is provided on the side wall of the tank, and a transparent element is provided to seal the observation hole.

[0009] Preferably, the inclination angle of the sidewall of the cylinder is between 15 degrees and 30 degrees.

[0010] Preferably, the cylindrical body is located at the center of the tank.

[0011] An ion adsorption exchange system, the ion adsorption exchange system comprising: The first group of ion adsorption exchange devices includes: at least one ion adsorption exchange device as described above. The second group of ion adsorption exchange devices includes: at least one ion adsorption exchange device as described above. The third main pipeline is connected to the first main pipeline of each of the ion adsorption exchange devices in the first group of ion adsorption exchange devices. The fourth main pipeline is connected to the second main pipeline of each of the ion adsorption exchange devices in the first group of ion adsorption exchange devices. The first flushing water pipe is connected to the fourth main pipe, and a fifth valve is installed on the first flushing water pipe; The first reclaimed water pipeline is connected to the fourth main pipeline, and a sixth valve is installed on the first reclaimed water pipeline; The fifth main pipeline, and the first main pipeline of each of the ion adsorption exchange devices in the second group of ion adsorption exchange devices are connected to the third main pipeline; The sixth main pipeline and the second main pipeline of the ion adsorption exchange device in the second group of ion adsorption exchange devices are all connected to the fourth main pipeline; The second flushing water pipe is connected to the sixth main pipe, and a seventh valve is installed on the second flushing water pipe; The second reclaimed water pipeline is connected to the sixth main pipeline, and an eighth valve is installed on the second reclaimed water pipeline.

[0012] Preferably, the ion adsorption exchange system has a first working mode. In the first working mode, the first main valve, the first valve and the third valve of the ion adsorption exchange device in the first group of ion adsorption exchange devices are in the open state to allow sewage to flow in, and the second main valve, the second valve, the fourth valve and the fifth valve of the ion adsorption exchange device in the first group of ion adsorption exchange devices are in the open state to discharge the adsorbed sewage. The second main valve, second valve, fourth valve and sixth valve of the ion adsorption exchange device in the second group are in the open state to allow regenerated water to flow in, and the first main valve, first valve and third valve of the ion adsorption exchange device in the second group are in the open state to discharge regenerated water. The ion adsorption exchange system has a second working mode. In the second working mode, the second main valve, the second valve, the fourth valve, and the eighth valve of the ion adsorption exchange device in the first group of ion adsorption exchange devices are in the open state to allow regenerated water to flow in, and the first main valve, the first valve, and the third valve of the ion adsorption exchange device in the second group of ion adsorption exchange devices are in the open state to discharge regenerated water. The first main valve, the first valve, and the third valve of the ion adsorption exchange device in the second group are in the open state to allow sewage to flow in, while the second main valve, the second valve, the fourth valve, and the seventh valve of the ion adsorption exchange device in the second group are in the open state to discharge the adsorbed sewage.

[0013] Preferably, the ion adsorption exchange system further includes: A first connecting pipe is connected to the third main pipe and the fourth main pipe, and a ninth valve is provided on the first connecting pipe; The second connecting pipe connects the fifth main pipe and the sixth main pipe, and a tenth valve is installed on the second connecting pipe.

[0014] An operating method for using the ion adsorption exchange device as described above, the operating method comprising: Wastewater is introduced into the cylinder through the first port and discharged from the cylinder through the second port after being adsorbed. At the same time, reclaimed water is introduced into the containment space through the fourth port and discharged from the containment space through the third port.

[0015] The technical solution of the present invention has the following significant beneficial effects: 1. After the wastewater is discharged from the first port, it flows in a swirling motion along the inner wall of the cylinder. The water flows downwards in a spiral pattern, and during this spiral descent, the wastewater comes into full contact with and is adsorbed by the ion exchange resin on the cylinder's side wall. This adsorbed portion of the wastewater is discharged from the second port. This method significantly increases the degree of contact between the wastewater and the ion exchange resin. When the wastewater is discharged into the receiving space from the third port, it comes into contact with and is adsorbed by the ion exchange resin in the receiving space. The wastewater flows downwards, and finally, this adsorbed portion of the wastewater is discharged from the fourth port. In this application, the combination of direct contact adsorption between the wastewater and the ion exchange resin, as well as contact adsorption through the swirling flow within the cylinder, results in more thorough adsorption.

[0016] 2. When regeneration of the ion exchange resin in the ion adsorption exchange device's containment space is required, regenerated water can be simultaneously input from both the second and fourth ports. The regenerated water input from the second port enters the cylinder and flows in a swirling motion along the inner wall of the cylinder, spiraling upwards. During this spiral ascent, the regenerated water makes full contact with the ion exchange resin on the cylinder's sidewall, thus regenerating the resin. This portion of the regenerated water is discharged from the first port. This method significantly increases the degree of contact between the regenerated water and the ion exchange resin, facilitating complete resin regeneration. The regenerated water input from the fourth port enters the containment space and contacts and adsorbs with the ion exchange resin within the space. The regenerated water flows upwards and is finally discharged from the third port. In this application, the combination of direct contact regeneration with the ion exchange resin and regeneration through swirling flow within the cylinder facilitates complete resin regeneration. Especially from the small cross-section at the lower end to the large cross-section at the upper end of the cylinder, the water pressure and the swirling force of the cylinder can be fully utilized for reverse regeneration of the ion exchange resin.

[0017] Specific embodiments of the invention are disclosed in detail below with reference to the description and accompanying drawings, indicating how the principles of the invention can be employed. It should be understood that the embodiments of the invention are not therefore limited in scope. Features described and / or shown for one embodiment may be used in the same or similar manner in one or more other embodiments, combined with features in other embodiments, or substituted for features in other embodiments. Attached Figure Description

[0018] The accompanying drawings described herein are for illustrative purposes only and are not intended to limit the scope of the invention in any way. Furthermore, the shapes and proportions of the components in the drawings are merely illustrative to aid in understanding the invention and do not specifically limit the shapes and proportions of the components. Those skilled in the art, guided by the teachings of this invention, can select various possible shapes and proportions to implement the invention according to specific circumstances.

[0019] Figure 1 This is a schematic diagram of the ion adsorption exchange device in an embodiment of the present invention; Figure 2 This is a schematic diagram of the ion adsorption exchange system in an embodiment of the present invention.

[0020] The reference numerals in the above figures are as follows: 1. Shell; 2. Tank; 21. First port; 22. Second port; 23. Third port; 24. Fourth port; 25. Upper inspection hole; 26. Upper sealing cover; 27. Lower inspection hole; 28. Lower sealing cover; 29. ​​Observation hole; 210. Transparent part; 3. Ion exchange resin; 4. First main pipe; 41. First branch pipe; 42. Third branch pipe; 43. First valve; 44. Third valve; 45. First main valve; 5. Second main pipe; 51. Second branch pipe; 52. Fourth branch pipe; 53. Second valve; 54. Fourth valve; 55. Second main valve 6. Door; 7. Maintenance platform; 8. First group of ion adsorption exchange devices; 9. Second group of ion adsorption exchange devices; 10. Third main pipeline; 11. Fourth main pipeline; 12. First flushing water pipeline; 13. Fifth valve; 14. First reclaimed water pipeline; 15. Sixth valve; 16. Fifth main pipeline; 17. Sixth main pipeline; 18. Second flushing water pipeline; 19. Seventh valve; 10. Second reclaimed water pipeline; 11. Eighth valve; 12. First connecting pipeline; 13. Ninth valve; 14. Second connecting pipeline; 15. Tenth valve. Detailed Implementation

[0021] The details of the present invention can be more clearly understood by referring to the accompanying drawings and the description of specific embodiments. However, the specific embodiments of the present invention described herein are for illustrative purposes only and should not be construed as limiting the invention in any way. Under the teachings of this invention, those skilled in the art can conceive of any possible modifications based on the invention, all of which should be considered within the scope of the invention. It should be noted that when an element is referred to as being "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there may be an intervening element. The terms "mounted," "connected," and "connected" should be interpreted broadly, for example, they can refer to mechanical or electrical connections, or internal communication between two elements, and can be direct or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only embodiments.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0023] To address the issues of incomplete contact adsorption and unsaturated adsorption materials when wastewater reacts with the adsorption material in the adsorption column, this application proposes an ion adsorption exchange device. Figure 1 This is a schematic diagram of the ion adsorption exchange device in an embodiment of the present invention, as shown below. Figure 1 As shown, the ion adsorption exchange device may include: a tank 2; and a cylindrical body 1 disposed within the tank 2. The tank 2 is arranged vertically. The tank 2 has a first port 21, a second port 22, a third port 23, and a fourth port 24.

[0024] The cylinder 1 extends vertically. The cylinder 1 is made of ion exchange resin. The radial dimension of the cylinder 1 gradually decreases from top to bottom. The upper end of the cylinder 1 is sealed to the upper end face of the tank 2, and the lower end of the cylinder 1 is sealed to the lower end face of the tank 2.

[0025] Furthermore, the end of the second port 22 is oriented perpendicular to the radius of the cylinder 1, so that the output liquid flows in a swirling motion along the inner wall of the cylinder 1.

[0026] An accommodating space is formed outside the outer wall of the cylinder 1 inside the tank 2. The first port 21 is located on the upper end face of the tank 2 and communicates with the inside of the cylinder 1. The end of the first port 21 is perpendicular to the radius of the cylinder 1 so that the output liquid flows in a swirling motion along the inner wall of the cylinder 1.

[0027] The second port 22 is located on the lower end face of the tank 2 and communicates with the inside of the cylinder 1; the third port 23 is located on the upper end face of the tank 2 and communicates with the containing space; and the fourth port 24 is located on the lower end face of the tank 2 and communicates with the containing space. The containing space is used to fill the ion exchange resin 3.

[0028] Preferably, the horizontal cross-section of the cylinder 1 can be circular or approximately circular, which can greatly reduce the resistance of the liquid flowing in a swirling motion along the inner wall of the cylinder 1 and help to increase the flow rate of the liquid.

[0029] As a feasible alternative, in order to more disperse the wastewater or reclaimed water input into the containment space from the third port 23 and the fourth port 24, thereby allowing the liquid to flow more evenly to various circumferential positions in the containment space, there are at least two third ports 23, which are circumferentially distributed around the axis of the tank body 2. There are also at least two fourth ports 24, which are circumferentially distributed around the axis of the tank body 2.

[0030] As feasible, the ion adsorption exchange device has a wastewater treatment state, in which the first port 21 and the third port 23 are used to input wastewater; the second port 22 is used to discharge the adsorbed wastewater in the cylinder 1; and the fourth port 24 is used to discharge the adsorbed wastewater in the containment space.

[0031] As a feasible option, the ion adsorption exchange device also has a regeneration mode. In the regeneration mode, the second port 22 and the fourth port 24 are used to input regeneration water that can regenerate the ion exchange resin 3, the first port 21 is used to discharge the regeneration water from the cylinder 1, and the third port 23 is used to discharge the regeneration water from the containment space. The regeneration of the ion exchange resin 3 within the containment space can be achieved through the above process.

[0032] As a feasible alternative, the ion adsorption exchange device also has a mode in which wastewater treatment and regeneration are performed simultaneously. In this mode, the first port 21 is used to input wastewater; the second port 22 is used to discharge the adsorbed wastewater from the cylinder 1; the fourth port 24 is used to input regenerated water that can regenerate the ion exchange resin 3; and the third port 23 is used to discharge the regenerated water from the containment space. This method allows for the simultaneous performance of wastewater adsorption treatment and the regeneration of the ion exchange resin 3 and the cylinder 1 within a single ion adsorption exchange device.

[0033] In order to ensure that the fluid maintains a sufficient velocity in the swirling flow on the inner wall of the cylinder 1, the inclination angle of the side wall of the cylinder 1 can be approximately between 15 and 30 degrees. Otherwise, the fluid may flow directly downwards instead of swirling, which would greatly reduce the degree to which the fluid contacts the ion exchange resin on the side wall of the cylinder 1.

[0034] Preferably, the cylinder 1 can be located at the center of the tank 2. This can prevent the ion exchange resin 3 from becoming too overused in certain areas of the containment space and becoming prematurely saturated.

[0035] The first port 21 can be connected to the first branch pipe 41, which is equipped with a first valve 43. The third port 23 can be connected to the third branch pipe 42, which is equipped with a third valve 44. The second port 22 can be connected to the second branch pipe 51, which is equipped with a second valve 53. The fourth port 24 can be connected to the fourth branch pipe 52, which is equipped with a fourth valve 54. The opening and closing of each port can be controlled in this way.

[0036] Furthermore, the ion adsorption exchange device includes: a first main pipe 4, with a first port 21 connected to the first main pipe 4 via a first branch pipe 41, and a third port 23 connected to the first main pipe 4 via a third branch pipe 42; a first main valve 45 is installed on the first main pipe 4; a second main pipe 5, with a second port 22 connected to the second main pipe 5 via a second branch pipe 51, and a fourth port 24 connected to the second main pipe 5 via a fourth branch pipe 52; a second main valve 55 is installed on the second main pipe 5. The main valve can control the flow of wastewater and reclaimed water between the ion adsorption exchange device and the device.

[0037] A top inspection hole 25 is provided on the upper end face of the tank body 2, and a removable top sealing cover 26 is installed at the top inspection hole 25. The top sealing cover 26 can be connected to the upper end face of the tank body 2 by multiple bolts to achieve removability. A bottom inspection hole 27 is provided on the lower end face of the tank body 2, and a removable bottom sealing cover 28 is installed at the bottom inspection hole 27. The bottom sealing cover 28 can be connected to the lower end face of the tank body 2 by multiple bolts to achieve removability.

[0038] An observation hole 29 may be provided on the side wall of the tank body 2, and a transparent element 210 is provided to seal the observation hole 29. Through the transparent element 210, the operator can observe the internal condition of the tank body 2 from the outside, such as the condition of the ion exchange resin 3. Correspondingly, maintenance platforms 6 may be provided on the top and side wall of the tank body 2 to allow personnel to operate at the locations of the observation hole 29 and the upper maintenance hole 25.

[0039] Preferably, the tank body 2 can be made of fiberglass, which has the characteristics of high strength, low density and corrosion resistance.

[0040] When wastewater exits from the end of the first port 21, it flows in a swirling motion along the inner wall of the cylinder 1. The water flows downwards in a spiral pattern, and during this spiral descent, the wastewater comes into full contact with and is adsorbed by the ion exchange resin on the side wall of the cylinder 1. This adsorbed portion of the wastewater is then discharged from the second port 22. This method significantly increases the degree of contact between the wastewater and the ion exchange resin in the cylinder 1. When wastewater enters the receiving space from the third port 23, it comes into contact with and is adsorbed by the ion exchange resin 3 in the receiving space. The wastewater flows downwards, and finally, this adsorbed portion of the wastewater is discharged from the fourth port 24. In this application, the combination of direct contact adsorption between the wastewater and the ion exchange resin 3, and contact adsorption through the swirling flow within the cylinder 1, results in more thorough adsorption.

[0041] When regeneration of the ion exchange resin 3 and the cylinder 1 in the ion adsorption exchange device's containment space is required, regenerated water can be simultaneously input from both the second port 22 and the fourth port 24. The regenerated water input from the second port 22 enters the cylinder 1 and flows in a swirling motion along the inner wall of the cylinder 1, spiraling upwards. During this spiral ascent, the regenerated water makes full contact with the ion exchange resin on the side wall of the cylinder 1 to regenerate the ion exchange resin. This portion of the regenerated water is discharged from the first port 21. This method significantly increases the degree of contact between the regenerated water and the ion exchange resin, facilitating complete resin regeneration. The regenerated water input from the fourth port 24 enters the containment space and contacts and adsorbs the ion exchange resin 3 within the containment space. The regenerated water flows upwards and is finally discharged from the third port 23. In this application, the two methods of regeneration—direct contact regeneration with the ion exchange resin 3 and regeneration through swirling flow within the cylinder 1—are combined, thereby facilitating complete resin regeneration. In particular, the small section at the lower end of the cylinder 1 and the large section at the upper end can fully utilize the water pressure and the swirling force of the cylinder 1 to regenerate the ion exchange tree in a reverse manner.

[0042] This application also proposes an operating method for the aforementioned ion adsorption exchange device. The method may include: inputting wastewater into the cylinder 1 through the first port 21, and discharging the adsorbed wastewater from the cylinder 1 through the second port 22; simultaneously, inputting regenerated water into the containment space through the fourth port 24, and discharging the regenerated water from the containment space through the third port 23. This method enables simultaneous wastewater adsorption treatment and regeneration treatment of the ion exchange resin 3 and the cylinder 1 within a single ion adsorption exchange device.

[0043] This application also proposes an ion adsorption exchange system. Figure 2 This is a schematic diagram of the ion adsorption exchange system in an embodiment of the present invention, as shown below. Figure 2As shown, the ion adsorption exchange system may include: a first group of ion adsorption exchange devices 10, which includes at least one ion adsorption exchange device as described above; a second group of ion adsorption exchange devices 20, which includes at least one ion adsorption exchange device as described above; a third main pipeline 30, wherein the first main pipelines 4 of the ion adsorption exchange devices in the first group of ion adsorption exchange devices 10 are all connected to the third main pipeline 30; a fourth main pipeline 40, wherein the second main pipelines 5 of the ion adsorption exchange devices in the first group of ion adsorption exchange devices 10 are all connected to the fourth main pipeline 40; a first flushing water pipeline 50, which is connected to the fourth main pipeline 40, and a fifth valve 501 is provided on the first flushing water pipeline 50; and a first re- The first reclaimed water pipe 60 is connected to the fourth main pipe 40, and a sixth valve 601 is installed on the first reclaimed water pipe 60; the fifth main pipe 80, the first main pipe 4 of the ion adsorption exchange device in the second group of ion adsorption exchange devices 20 is connected to the third main pipe 30; the sixth main pipe 90, the second main pipe 5 of the ion adsorption exchange device in the second group of ion adsorption exchange devices 20 is connected to the fourth main pipe 40; the second flushing water pipe 100 is connected to the sixth main pipe 90, and a seventh valve 1001 is installed on the second flushing water pipe 100; the second reclaimed water pipe 110 is connected to the sixth main pipe 90, and an eighth valve 1101 is installed on the second reclaimed water pipe 110.

[0044] Furthermore, the ion adsorption exchange system may include: a first connecting pipe 130, which connects to the third main pipe 30 and the fourth main pipe 40, and a ninth valve 1301 is installed on the first connecting pipe 130; and a second connecting pipe 140, which connects to the fifth main pipe 80 and the sixth main pipe 90, and a tenth valve 1401 is installed on the second connecting pipe 140. This allows the first flushing water pipe 50 and the first reclaimed water pipe 60 to be connected to the first main pipe 4 of the ion adsorption exchange devices in the first group of ion adsorption exchange devices 10, and the third main pipe 30 to be connected to the second main pipe 5 of the ion adsorption exchange devices in the first group of ion adsorption exchange devices 10, facilitating the switching between wastewater, flushing water, and reclaimed water. Similarly, this method allows the second flushing water pipe 100 and the second reclaimed water pipe 110 to be connected to the first main pipe 4 of the ion adsorption exchange device in the second group of ion adsorption exchange devices 20, and the fifth main pipe 80 to be connected to the second main pipe 5 of the ion adsorption exchange device in the second group of ion adsorption exchange devices 20, so as to facilitate the switching between sewage, flushing water and reclaimed water.

[0045] As feasible, the ion adsorption exchange system can have a first operating mode. In the first operating mode, the first main valve 45, the first valve 43, and the third valve 44 of the ion adsorption exchange devices in the first group of ion adsorption exchange devices 10 are in the open state to allow sewage to flow in, and the second main valve 55, the second valve 53, the fourth valve 54, and the fifth valve 501 of the ion adsorption exchange devices in the first group of ion adsorption exchange devices 10 are in the open state to discharge the adsorbed sewage. The second main valve 55, the second valve 53, the fourth valve 54, and the sixth valve 601 of the ion adsorption exchange devices in the second group of ion adsorption exchange devices 20 are in the open state to allow reclaimed water to flow in, and the first main valve 45, the first valve 43, and the third valve 44 of the ion adsorption exchange devices in the second group of ion adsorption exchange devices 20 are in the open state to discharge the reclaimed water.

[0046] As feasible, the ion adsorption exchange system can have a second operating mode. In the second operating mode, the second main valve 55, the second valve 53, the fourth valve 54, and the eighth valve 1101 of the ion adsorption exchange devices in the first group of ion adsorption exchange devices 10 are open to allow reclaimed water to flow in. The first main valve 45, the first valve 43, and the third valve 44 of the ion adsorption exchange devices in the second group of ion adsorption exchange devices 20 are open to allow reclaimed water to flow out. The first main valve 45, the first valve 43, and the third valve 44 of the ion adsorption exchange devices in the second group of ion adsorption exchange devices 20 are open to allow wastewater to flow in. The second main valve 55, the second valve 53, the fourth valve 54, and the seventh valve 1001 of the ion adsorption exchange devices in the second group of ion adsorption exchange devices 20 are open to allow the adsorbed wastewater to flow out.

[0047] By cyclically switching between the first and second working modes of the ion adsorption exchange system, wastewater adsorption treatment and ion exchange resin 3 regeneration treatment can be carried out simultaneously, thereby enabling the ion adsorption exchange system to treat wastewater continuously.

[0048] In all the above embodiments, each valve may include an electronic valve and a manual valve, thereby ensuring effective control of the pipeline's on / off state in the event of electronic valve failure.

[0049] All articles and references disclosed herein, including patent applications and publications, are incorporated herein by reference for various purposes. The term “substantially constitutes…” used to describe a combination should include the identified element, component, part, or step, as well as other elements, components, parts, or steps that do not substantially affect the essential novelty of the combination. The use of the terms “comprising” or “including” to describe combinations of elements, components, parts, or steps herein also contemplates embodiments substantially constituted by such elements, components, parts, or steps. The use of the term “may” herein is intended to indicate that any described attribute “may” include is optional. Multiple elements, components, parts, or steps can be provided by a single integrated element, component, part, or step. Alternatively, a single integrated element, component, part, or step can be divided into multiple separate elements, components, parts, or steps. The disclosure of “a” or “an” used to describe an element, component, part, or step does not imply exclusion of other elements, components, parts, or steps.

[0050] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. An ion adsorption exchange device, characterized in that, The ion adsorption exchange device includes: A tank arranged vertically, the tank having a first port, a second port, a third port and a fourth port; A cylindrical body, made of ion exchange resin, is disposed within the tank. The cylindrical body extends vertically, and its radial dimension gradually decreases from top to bottom. The upper end of the cylindrical body is sealed to the upper end face of the tank, and the lower end of the cylindrical body is sealed to the lower end face of the tank. A receiving space is formed outside the outer wall of the cylindrical body within the tank. A first port is located on the upper end face of the tank and communicates with the inner part of the cylindrical body. The orientation of the end of the first port is perpendicular to the radius of the cylindrical body, so that the output liquid flows in a swirling motion along the inner wall of the cylindrical body. A second port is located on the lower end face of the tank and communicates with the inner part of the cylindrical body. A third port is located on the upper end face of the tank and communicates with the receiving space. A fourth port is located on the lower end face of the tank and communicates with the receiving space. The containment space is used to fill ion exchange resin; The ion adsorption exchange device has a wastewater treatment mode. In the wastewater treatment mode, the first port and the third port are used to input wastewater; the second port is used to discharge the wastewater adsorbed in the cylinder; and the fourth port is used to discharge the wastewater adsorbed in the containment space. The ion adsorption exchange device also has a regeneration treatment state. In the regeneration treatment state, the second port and the fourth port are used to input regenerated water that can regenerate the ion exchange resin, the first port is used to discharge the regenerated water inside the cylinder, and the third port is used to discharge the regenerated water in the containment space.

2. The ion adsorption exchange device according to claim 1, characterized in that, There are at least two third ports, and the third ports are distributed circumferentially around the axis of the tank. There are at least two fourth ports, which are distributed circumferentially around the axis of the tank.

3. The ion adsorption exchange device according to claim 1, characterized in that, The ion adsorption exchange device includes: a first main pipeline, a first port connected to the first main pipeline via a first branch pipeline, a third port connected to the first main pipeline via a third branch pipeline, a first valve provided on the first branch pipeline, a third valve provided on the third branch pipeline, and a first main valve provided on the first main pipeline; The second main pipeline has a second port connected to the second main pipeline via a second branch pipeline, and the fourth port connected to the second main pipeline via a fourth branch pipeline. A second valve is installed on the second branch pipeline, a fourth valve is installed on the fourth branch pipeline, and a second main valve is installed on the second main pipeline.

4. The ion adsorption exchange device according to claim 1, characterized in that, The upper end face of the tank is provided with an upper inspection hole, and a detachable upper sealing cover is installed at the upper inspection hole. The lower end face of the tank is provided with a lower inspection hole, and a detachable lower sealing cover is installed at the lower inspection hole. An observation hole is provided on the side wall of the tank, and a transparent element is provided to seal the observation hole.

5. The ion adsorption exchange device according to claim 1, characterized in that, The inclination angle of the sidewall of the cylinder is between 15 degrees and 30 degrees.

6. The ion adsorption exchange device according to claim 1, characterized in that, The cylindrical body is located at the center of the tank.

7. An ion adsorption exchange system, characterized in that, The ion adsorption exchange system includes: The first group of ion adsorption exchange devices includes: at least one ion adsorption exchange device as described in claim 3; The second set of ion adsorption exchange devices includes: at least one ion adsorption exchange device as described in claim 3; The third main pipeline is connected to the first main pipeline of each of the ion adsorption exchange devices in the first group of ion adsorption exchange devices. The fourth main pipeline is connected to the second main pipeline of each of the ion adsorption exchange devices in the first group of ion adsorption exchange devices. The first flushing water pipe is connected to the fourth main pipe, and a fifth valve is installed on the first flushing water pipe; The first reclaimed water pipeline is connected to the fourth main pipeline, and a sixth valve is installed on the first reclaimed water pipeline; The fifth main pipeline, and the first main pipeline of each of the ion adsorption exchange devices in the second group of ion adsorption exchange devices are connected to the third main pipeline; The sixth main pipeline and the second main pipeline of the ion adsorption exchange device in the second group of ion adsorption exchange devices are all connected to the fourth main pipeline; The second flushing water pipe is connected to the sixth main pipe, and a seventh valve is installed on the second flushing water pipe; The second reclaimed water pipeline is connected to the sixth main pipeline, and an eighth valve is installed on the second reclaimed water pipeline.

8. The ion adsorption exchange system according to claim 7, characterized in that, The ion adsorption exchange system has a first working mode. In the first working mode, the first main valve, the first valve and the third valve of the ion adsorption exchange device in the first group of ion adsorption exchange devices are in the open state to allow sewage to flow in, and the second main valve, the second valve, the fourth valve and the fifth valve of the ion adsorption exchange device in the first group of ion adsorption exchange devices are in the open state to discharge the adsorbed sewage. The second main valve, second valve, fourth valve and sixth valve of the ion adsorption exchange device in the second group are in the open state to allow regenerated water to flow in, and the first main valve, first valve and third valve of the ion adsorption exchange device in the second group are in the open state to discharge regenerated water. The ion adsorption exchange system has a second working mode. In the second working mode, the second main valve, the second valve, the fourth valve, and the eighth valve of the ion adsorption exchange device in the first group of ion adsorption exchange devices are in the open state to allow regenerated water to flow in, and the first main valve, the first valve, and the third valve of the ion adsorption exchange device in the second group of ion adsorption exchange devices are in the open state to discharge regenerated water. The first main valve, the first valve, and the third valve of the ion adsorption exchange device in the second group are in the open state to allow sewage to flow in, while the second main valve, the second valve, the fourth valve, and the seventh valve of the ion adsorption exchange device in the second group are in the open state to discharge the adsorbed sewage.

9. The ion adsorption exchange system according to claim 7, characterized in that, The ion adsorption exchange system further includes: A first connecting pipe is connected to the third main pipe and the fourth main pipe, and a ninth valve is provided on the first connecting pipe; The second connecting pipe connects the fifth main pipe and the sixth main pipe, and a tenth valve is installed on the second connecting pipe.

10. A method of operating the ion adsorption exchange device as described in claim 1, characterized in that, The operation method includes: Wastewater is introduced into the cylinder through the first port and discharged from the cylinder through the second port after being adsorbed. At the same time, reclaimed water is introduced into the containment space through the fourth port and discharged from the containment space through the third port.

Images