Strong brine resource utilization system and method

Abstract

The invention provides a strong brine resource utilization system and method, and belongs to the technical field of strong brine treatment. The strong brine resource utilization system comprises a pretreatment assembly and a filtering assembly, and through arrangement of a treatment pond, a driving part, a moving plate, a hollow pipe, stirring blades, a first motor, a chemical box, a liquid pump and a rotating joint, when the first motor drives the hollow pipe and the stirring blades to mix and stir, through the chemical box, the liquid pump and the rotating joint, the strong brine can be recycled; a hollow pipe is arranged in the treatment tank, chemicals are supplied into the hollow pipe, then the chemicals are added at different depths through the hollow pipe, a driving part can drive a moving plate to move along the treatment tank, the chemicals are added at different depths and move while being mixed, and a filter plate, an electric push rod, a lifting plate and a scraper are arranged, so that the filter plate is used for filtering impurities of hard-removed strong brine in real time; and the filter plate can be cleaned as required, and the efficiency of the strong brine resource utilization system is greatly improved by utilizing full cleaning in the later period.

Description

Technical Field

[0001] The present application relates to the field of concentrated brine treatment, and more specifically, to a system and method for resource utilization of concentrated brine. Background Art

[0002] Brine mainly comes from the concentrated water produced by membrane concentration and the wastewater with high salt content produced by chemical, refining, steel and other enterprises. Direct discharge of brine is harmful to the environment, and the brine needs to be recycled. No matter what method is used to recycle the brine, the particulate impurities in the brine need to be filtered and removed. The brine recycling device is a device used to filter impurities in the brine during the brine recycling process.

[0003] At present, in the brine resource recovery and utilization system, brine pretreatment is required first, and reagents need to be added during the brine pretreatment and hardness removal process. The traditional method of adding is often to add directly from the top of the treatment pool. No matter how evenly the addition is spread, it is difficult to mix with the bottom of the pool, the reaction efficiency is low, and impurities must be filtered out afterwards, which greatly reduces the efficiency of the entire system. Summary of the invention

[0004] In order to make up for the above deficiencies, the present application provides a system and method for resource utilization of concentrated brine, aiming to improve the problems raised in the above background technology.

[0005] An embodiment of the present application provides a concentrated brine resource utilization system including a pretreatment component and a filtration component.

[0006] The pretreatment component includes a treatment tank, a driving member, a movable plate, a hollow tube, a stirring blade, a first motor, a medicine box, a liquid pump and a rotating joint. The driving member is arranged at the top of the treatment tank, the movable plate is arranged at the top of the driving member, the hollow tube rotates and passes through the movable plate, the stirring blade is fixedly connected to the hollow tube, the first motor is installed on the top of the movable plate and is transmission-connected to the hollow tube, the medicine box is arranged at the top of the movable plate, the liquid pump is arranged at the top of the movable plate and is connected to the medicine box, the rotating joint is connected to the liquid outlet end of the liquid pump, and the hollow tube is connected to the rotating joint.

[0007] The filter assembly includes a filter plate, an electric push rod, a lifting plate and a scraper. The filter plate is arranged in the treatment pool, the electric push rod is arranged on the top of the movable plate, the lifting plate is installed on the movable end of the electric push rod, and the scraper is arranged at the bottom end of the lifting plate.

[0008] In a specific embodiment, the driving member includes a threaded rod and a second motor, the threaded rod is rotatably arranged on the top of the treatment tank, the second motor is arranged on the top of the treatment tank and is transmission-connected to the threaded rod, and the movable plate is threadedly sleeved on the threaded rod.

[0009] In the above implementation process, by setting the threaded rod and the second motor, the second motor is started, the second motor drives the threaded rod to rotate through the coupling, and the threaded rod drives the movable plate to move through the thread transmission principle.

[0010] In a specific embodiment, a guide rod is provided on the top of the treatment tank, and the movable plate is slidably sleeved on the guide rod.

[0011] In the above implementation process, a guide rod is provided to guide the moving plate to move stably in a straight line. Meanwhile, the guide rod shares the weight of the moving plate and reduces the pressure of the threaded rod.

[0012] In a specific implementation, the first motor output end is fixedly connected to a first bevel gear, the hollow tube is fixedly connected to a second bevel gear, and the first bevel gear and the second bevel gear are meshed.

[0013] In the above implementation process, by setting the first bevel gear and the second bevel gear to mesh, starting the first motor to drive the first bevel gear to rotate, the first bevel gear meshing drives the second bevel gear to rotate, and the second bevel gear drives the hollow tube to rotate, thereby achieving the purpose of transmission connection.

[0014] In a specific embodiment, a plurality of spray holes are opened on the side of the hollow tube, and a plurality of stirring blades are provided.

[0015] In the above implementation process, multiple spray holes are provided to achieve uniform spraying of the reagent in the hollow tube at different depths, thereby ensuring that the reagent sprayed in the treatment pool and the concentrated brine are quickly mixed.

[0016] In a specific embodiment, a fixing sleeve is provided on the side of the movable plate, and the lifting plate slides through the fixing sleeve.

[0017] In the above implementation process, a fixing sleeve is provided to support the guide lifting plate.

[0018] In a specific embodiment, a collecting trough is provided between the end of the filter plate and the treatment tank, and the scraper is inclined toward the collecting trough.

[0019] In the above implementation process, a collection tank is provided to temporarily collect impurities scraped from the filter plate, so as to facilitate centralized cleaning.

[0020] In a specific embodiment, a sewage outlet is opened on the side of the treatment tank and a cover plate is provided, and the cover plate is connected to the treatment tank by bolts.

[0021] In the above implementation process, by providing a cover plate, it is convenient to open the cover plate during later cleaning to clean out impurities and dirt from the sewage outlet.

[0022] In a specific embodiment, the filtration component also includes a water pump and a bipolar membrane electrodialysis device, the liquid inlet of the water pump passes through the treatment tank and is located at the bottom of the filter plate, and the bipolar membrane electrodialysis device is connected to the liquid outlet of the water pump.

[0023] In the above implementation process, a water pump and a bipolar membrane electrodialysis device are provided. The water pump is used to pump the treated brine into the bipolar membrane electrodialysis device, and the brine is electrically separated by the bipolar membrane electrodialysis device, and then hydrochloric acid and sodium hydroxide are prepared, thereby rationally utilizing resources.

[0024] In a second aspect, the present invention further provides a method for using a concentrated brine resource utilization system, comprising the above-mentioned fruit tree bagging device, and the following steps:

[0025] S1. Turn on the first motor and the liquid pump, the liquid pump extracts the medicine in the medicine box, and then transports it to the hollow tube through the rotary joint, and the hollow tube transports the medicine into the concentrated brine. At the same time, the first motor drives the hollow tube to rotate, and the hollow tube drives the stirring blade to rotate, so as to mix the concentrated brine and the medicine, thereby improving the mixing uniformity efficiency;

[0026] S2, the moving plate is driven by the driving member to move along the length direction of the treatment tank, and the moving plate drives the hollow tube, the stirring blade, the first motor, the reagent box, the liquid pump and the rotary joint to move, thereby evenly adding the reagent while stirring and mixing, thereby improving the treatment efficiency;

[0027] S3. While removing the hardness of the concentrated brine, the filter plate in the treatment pool filters and separates the impurities above from the concentrated brine. In the process of discharging the concentrated brine after pretreatment, the filter plate plays a role in filtering impurities, thereby achieving integrated synchronous treatment, which is efficient and fast;

[0028] S4. After multiple uses, the electric push rod can be turned on to drive the lifting plate to move down. The lifting plate drives the scraper to move down to fit the filter plate. The lifting plate moves synchronously with the moving plate to scrape most of the impurities on the filter plate from one end to the other, eliminating the need for cleaning. At the same time, it can reduce the blockage of the filter plate and ensure the filtering effect.

[0029] S5. Finally, the clean concentrated brine after pretreatment enters the next step of electrical separation treatment equipment for further processing and utilization.

[0030] Beneficial effects: The present application provides a system and method for resource utilization of concentrated brine. By setting a treatment pool, a driving member, a movable plate, a hollow tube, a stirring blade, a first motor, a reagent box, a liquid pump and a rotary joint, while the first motor drives the hollow tube and the stirring blade to mix and stir, the reagent is supplied into the hollow tube through the reagent box, the liquid pump and the rotary joint, and then the reagent is added at different depths through the hollow tube, and the driving member can drive the movable plate to move along the treatment pool, adding reagents at different depths while mixing and moving, and by setting a filter plate, an electric push rod, a lifting plate and a scraper, the filter plate is used to filter impurities in the concentrated brine in real time, the filter plate can be cleaned when needed, and full cleaning can also be used in the later stage, which greatly improves the efficiency of the concentrated brine resource utilization system. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 It is a structural schematic diagram of a concentrated brine resource utilization system provided in an embodiment of the present application;

[0033] Figure 2 A schematic diagram of the structure of a pre-processing component provided for an embodiment of the present application;

[0034] Figure 3 A schematic diagram of a hollow tube structure provided for an embodiment of the present application;

[0035] Figure 4 A schematic diagram of the lifting plate structure provided for the implementation mode of the present application;

[0036] Figure 5 A schematic diagram of the structure of a bipolar membrane electrodialysis device provided in an embodiment of the present application.

[0037] In the figure: 100-pretreatment component; 110-treatment tank; 111-guide rod; 112-collecting tank; 113-cover plate; 120-driving member; 121-threaded rod; 122-second motor; 130-moving plate; 131-fixed sleeve; 140-hollow tube; 141-second bevel gear; 142-spray hole; 150-stirring blade; 160-first motor; 161-first bevel gear; 170-medicine box; 180-liquid pump; 190-rotating joint; 200-filter component; 210-filter plate; 220-electric push rod; 240-lifting plate; 250-scraper; 260-water pump; 270-bipolar membrane electrodialysis equipment. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0039] See also Figure 1-Figure 5 The present application provides a concentrated brine resource utilization system including a pretreatment component 100 and a filtering component 200.

[0040] See also Figure 1 , 2 and 3, the pretreatment component 100 includes a treatment tank 110, a driving member 120, a movable plate 130, a hollow tube 140, a stirring blade 150, a first motor 160, a medicine box 170, a liquid pump 180 and a rotary joint 190, the driving member 120 is arranged at the top of the treatment tank 110, the movable plate 130 is arranged at the top of the driving member 120, the hollow tube 140 rotates and penetrates the movable plate 130, the stirring blade 150 is fixedly connected to the hollow tube 140, the first motor 160 is installed at the top of the movable plate 130 and is transmission-connected to the hollow tube 140, the medicine box 170 is arranged at the top of the movable plate 130, the liquid pump 180 is arranged at the top of the movable plate 130 and is connected to the medicine box 170, the rotary joint 190 is connected to the liquid outlet end of the liquid pump 180, and the hollow tube 140 is connected to the rotary joint 190.

[0041] Among them, the driving member 120 includes a threaded rod 121 and a second motor 122. The threaded rod 121 is rotatably arranged at the top of the treatment tank 110. The second motor 122 is arranged at the top of the treatment tank 110 and is transmission-connected to the threaded rod 121. The movable plate 130 is threadedly sleeved on the threaded rod 121. By setting the threaded rod 121 and the second motor 122, the second motor 122 is started, and the second motor 122 drives the threaded rod 121 to rotate through a coupling, and the threaded rod 121 drives the movable plate 130 to move through the principle of threaded transmission.

[0042] Specifically, a guide rod 111 is provided on the top of the treatment pool 110, and the movable plate 130 is slidably mounted on the guide rod 111. The guide rod 111 is provided to guide the movable plate 130 to move stably in a straight line. At the same time, the guide rod 111 shares the weight of the movable plate 130 and reduces the pressure on the threaded rod 121.

[0043] Specifically, the output end of the first motor 160 is fixedly connected to the first bevel gear 161, and the hollow tube 140 is fixedly connected to the second bevel gear 141. The first bevel gear 161 and the second bevel gear 141 are meshed with each other. By setting the first bevel gear 161 and the second bevel gear 141 to be meshed with each other, the first motor 160 is started to drive the first bevel gear 161 to rotate, the first bevel gear 161 is meshed to drive the second bevel gear 141 to rotate, and the second bevel gear 141 drives the hollow tube 140 to rotate, thereby achieving the purpose of transmission connection.

[0044] It should be noted that a plurality of spray holes 142 are provided on the side of the hollow tube 140, and a plurality of stirring blades 150 are provided. By providing a plurality of spray holes 142, the reagent in the hollow tube 140 can be sprayed evenly at different depths, thereby ensuring that the reagent sprayed from the treatment pool 110 and the concentrated brine are quickly mixed.

[0045] See also Figure 1 , 2 , 4 and 5, the filter assembly 200 includes a filter plate 210, an electric push rod 220, a lifting plate 240 and a scraper 250, the filter plate 210 is arranged in the treatment tank 110, the electric push rod 220 is arranged on the top of the movable plate 130, the lifting plate 240 is installed on the movable end of the electric push rod 220, and the scraper 250 is arranged at the bottom end of the lifting plate 240.

[0046] A fixing sleeve 131 is disposed on the side of the movable plate 130 , and the lifting plate 240 slides through the fixing sleeve 131 .

[0047] In a specific embodiment, a collecting groove 112 is provided between the end of the filter plate 210 and the treatment tank 110, and the scraper 250 is inclined toward the collecting groove 112. The collecting groove 112 is provided to temporarily collect impurities scraped from the filter plate 210 for convenient centralized cleaning.

[0048] In this embodiment, a sewage outlet is opened on the side of the treatment tank 110 and a cover plate 113 is provided. The cover plate 113 is connected to the treatment tank 110 by bolts. By providing the cover plate 113, it is convenient to open the cover plate 113 during later cleaning to clean out impurities and dirt from the sewage outlet.

[0049] In a specific embodiment, the filter component 200 also includes a water pump 260 and a bipolar membrane electrodialysis device 270. The liquid inlet end of the water pump 260 passes through the treatment tank 110 and is located at the bottom of the filter plate 210. The bipolar membrane electrodialysis device 270 is connected to the liquid outlet end of the water pump 260. By arranging the water pump 260 and the bipolar membrane electrodialysis device 270, the water pump 260 is used to pump the treated concentrated brine into the bipolar membrane electrodialysis device 270, and the concentrated brine is electrically separated by the bipolar membrane electrodialysis device 270, and then hydrochloric acid and sodium hydroxide are prepared, thereby rationally utilizing resources.

[0050] The present invention further provides a method for using a concentrated brine resource utilization system, comprising the above-mentioned fruit tree bagging device, and the following steps:

[0051] S1. Turn on the first motor 160 and the liquid pump 180. The liquid pump 180 extracts the medicine in the medicine box 170, and then transports it to the hollow tube 140 through the rotary joint 190. The hollow tube 140 transports the medicine into the concentrated brine. At the same time, the first motor 160 drives the hollow tube 140 to rotate, and the hollow tube 140 drives the stirring blade 150 to rotate, so as to mix the concentrated brine and the medicine, thereby improving the mixing uniformity efficiency.

[0052] S2, the driving member 120 drives the moving plate 130 to move along the length direction of the treatment tank 110, and the moving plate 130 drives the hollow tube 140, the stirring blade 150, the first motor 160, the reagent box 170, the liquid pump 180 and the rotary joint 190 to move, thereby evenly adding the reagent while stirring and mixing, thereby improving the treatment efficiency;

[0053] S3. While removing the hardness of the concentrated brine, the filter plate 210 in the treatment tank 110 filters the impurities above and the concentrated brine. In the process of discharging the concentrated brine after pretreatment, the filter plate 210 plays a role in filtering impurities, thereby achieving integrated synchronous treatment, which is efficient and fast.

[0054] S4. After multiple uses, the electric push rod 220 can be turned on to drive the lifting plate 240 to move downward, and the lifting plate 240 drives the scraper 250 to move downward to fit the filter plate 210. The lifting plate 240 moves synchronously with the moving plate 130 to scrape most of the impurities on the filter plate 210 from one end to the other end, without the need for inconvenient cleaning. At the same time, the blockage of the filter plate 210 can be reduced to ensure the filtering effect.

[0055] S5. Finally, the pre-treated clean concentrated brine enters the next step of the bipolar membrane electrodialysis device 270 for further processing and utilization.

[0056] The working principle of the concentrated brine resource utilization system and method is as follows: when in use, the first motor 160 and the liquid pump 180 are started, the liquid pump 180 extracts the medicine in the medicine box 170, and then transports it to the hollow tube 140 through the rotary joint 190, and the multiple spray holes 142 on the hollow tube 140 spray the medicine evenly at different depths, and at the same time, the first motor 160 drives the first bevel gear 161 to rotate, the first bevel gear 161 engages to drive the second bevel gear 141 to rotate, the second bevel gear 141 drives the hollow tube 140 to rotate, and the hollow tube 140 drives the stirring blade 150 to rotate, so as to mix the concentrated brine and the medicine, thereby improving the mixing uniformity efficiency, and the second motor 122 is started, and the second motor 122 drives the threaded rod 121 to rotate through the coupling, and the threaded rod 121 drives the moving plate 130 to move through the threaded transmission principle, and the moving plate 130 drives the hollow tube 140, the stirring blade 150, the first motor 160, the medicine box 170, and the liquid pump 180 to extract the medicine in the medicine box 170, and then transports the medicine to the hollow tube 140 through the rotary joint 190, and the multiple spray holes 142 on the hollow tube 140 spray the medicine evenly at different depths, and at the same time, the first motor 160 drives the first bevel gear 161 to rotate, and the first bevel gear 161 engages to drive the second bevel gear 141 to rotate, and the second bevel gear 141 drives the hollow tube 140 to rotate, and the hollow tube 140 drives the stirring blade 150 to rotate, so as to mix the concentrated brine and the medicine, thereby improving the mixing uniformity efficiency, and at the same time, the second motor The pump 180 and the rotary joint 190 move, and then the mixture is stirred and mixed evenly while being added, thereby improving the processing efficiency. The impurities in the concentrated brine pre-treated by adding the agent to remove the hardness in the processing tank 110 finally fall on the filter plate 210. After a period of use, the electric push rod 220 can be turned on to drive the lifting plate 240 to move downward, and the lifting plate 240 drives the scraper 250 to move downward to fit the filter plate 210. The lifting plate 240 moves synchronously with the moving plate 130 to scrape most of the impurities on the filter plate 210 from one end to the collecting tank 112 at the other end to prevent the impurities from clogging the holes of the filter plate 210. At the same time, when cleaning the whole in the later stage, the cover plate 113 is opened to clean out the impurities and dirt from the sewage outlet. The clean concentrated brine after treatment is extracted by the water pump 260 and then sent to the bipolar membrane electrodialysis device 270. The concentrated brine is electrically separated by the bipolar membrane electrodialysis device 270, and then hydrochloric acid and sodium hydroxide are prepared to make rational use of resources.

[0057] It should be noted that the specific models and specifications of the second motor 122, the first motor 160, the liquid pump 180, the electric push rod 220, the water pump 260 and the bipolar membrane electrodialysis equipment 270 need to be selected and determined based on the actual specifications of the device. The specific selection calculation method adopts the existing technology in the field, so it will not be described in detail.

[0058] The power supply and principles of the second motor 122 , the first motor 160 , the liquid pump 180 , the electric push rod 220 , the water pump 260 and the bipolar membrane electrodialysis device 270 are clear to those skilled in the art and will not be described in detail herein.

[0059] It is obvious to those skilled in the art that the present application is not limited to the details of the exemplary embodiments described above, and that the present application can be implemented in other specific forms without departing from the spirit or essential features of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting in all respects, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present application. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A concentrated brine resource utilization system, characterized in that: include A pretreatment component (100), the pretreatment component (100) comprising a treatment tank (110), a driving member (120), a movable plate (130), a hollow tube (140), a stirring blade (150), a first motor (160), a reagent box (170), a liquid pump (180) and a rotary joint (190), the driving member (120) being arranged on the top of the treatment tank (110), the movable plate (130) being arranged on the top of the driving member (120), the hollow tube (140) being rotatably passed through the movable plate (130), The stirring blade (150) is fixedly connected to the hollow tube (140), the first motor (160) is installed on the top of the movable plate (130) and is transmission-connected to the hollow tube (140), the medicine box (170) is arranged on the top of the movable plate (130), the liquid pump (180) is arranged on the top of the movable plate (130) and is connected to the medicine box (170), the rotary joint (190) is arranged in communication with the liquid outlet end of the liquid pump (180), and the hollow tube (140) is connected to the rotary joint (190); A filter assembly (200), the filter assembly (200) comprises a filter plate (210), an electric push rod (220), a lifting plate (240) and a scraper (250), wherein the filter plate (210) is arranged in the treatment pool (110), the electric push rod (220) is arranged on the top of the movable plate (130), the lifting plate (240) is installed on the movable end of the electric push rod (220), and the scraper (250) is arranged at the bottom end of the lifting plate (240).

2. A concentrated brine resource utilization system according to claim 1, characterized in that: The driving member (120) comprises a threaded rod (121) and a second motor (122); the threaded rod (121) is rotatably disposed at the top of the treatment tank (110); the second motor (122) is disposed at the top of the treatment tank (110) and is transmission-connected to the threaded rod (121); and the movable plate (130) is threadedly sleeved on the threaded rod (121).

3. A concentrated brine resource utilization system according to claim 1, characterized in that: A guide rod (111) is provided on the top of the treatment pool (110), and the movable plate (130) is slidably sleeved on the guide rod (111).

4. A concentrated brine resource utilization system according to claim 1, characterized in that: The output end of the first motor (160) is fixedly connected to a first bevel gear (161), the hollow tube (140) is fixedly connected to a second bevel gear (141), and the first bevel gear (161) and the second bevel gear (141) are meshed with each other.

5. The concentrated brine resource utilization system according to claim 1, characterized in that: The side of the hollow tube (140) is provided with a plurality of spray holes (142), and a plurality of stirring blades (150) are provided.

6. A concentrated brine resource utilization system according to claim 1, characterized in that: A fixing sleeve (131) is provided on the side of the movable plate (130), and the lifting plate (240) slides through the fixing sleeve (131).

7. The concentrated brine resource utilization system according to claim 1, characterized in that: A collecting trough (112) is provided between the end of the filter plate (210) and the treatment tank (110), and the scraper (250) is inclined toward the collecting trough (112).

8. The concentrated brine resource utilization system according to claim 1, characterized in that: The side of the treatment pool (110) is provided with a sewage outlet and a cover plate (113), and the cover plate (113) is connected to the treatment pool (110) by bolts.

9. The concentrated brine resource utilization system according to claim 1, characterized in that: The filter assembly (200) further comprises a water pump (260) and a bipolar membrane electrodialysis device (270); the liquid inlet end of the water pump (260) passes through the treatment tank (110) and is located at the bottom of the filter plate (210); and the bipolar membrane electrodialysis device (270) is connected to the liquid outlet end of the water pump (260).

10. A method for using a concentrated brine resource utilization system, characterized in that: include The concentrated brine resource utilization system according to any one of claims 1 to 9, and the following steps: S1, power on the first motor (160) and the liquid pump (180), the liquid pump (180) extracts the medicine in the medicine box (170), and then transports it to the hollow tube (140) through the rotary joint (190), and the hollow tube (140) transports the medicine into the concentrated brine, and at the same time, the first motor (160) drives the hollow tube (140) to rotate, and the hollow tube (140) drives the stirring blade (150) to rotate, so that the concentrated brine and the medicine are mixed, thereby improving the mixing efficiency; S2, driving the movable plate (130) to move along the length direction of the treatment tank (110) through the driving member (120), the movable plate (130) drives the hollow tube (140), the stirring blade (150), the first motor (160), the reagent box (170), the liquid pump (180) and the rotary joint (190) to move, thereby evenly adding the reagent while stirring and mixing, thereby improving the treatment efficiency; S3. While the concentrated brine is being treated for hardness removal, the filter plate (210) in the treatment tank (110) filters and separates the impurities above from the concentrated brine. In the process of discharging the concentrated brine after pretreatment, the filter plate (210) plays a role in filtering the impurities, thereby achieving an integrated and synchronous treatment, which is efficient and fast. S4. After multiple uses, the electric push rod (220) can be turned on to drive the lifting plate (240) to move downward, and the lifting plate (240) drives the scraper (250) to move downward to fit the filter plate (210). The lifting plate (240) moves synchronously with the moving plate (130) to scrape most of the impurities on the filter plate (210) from one end to the other end, which is convenient for cleaning. At the same time, the clogging of the filter plate (210) can be reduced, thereby ensuring the filtering effect. S5. Finally, the clean concentrated brine after pretreatment enters the next step of electrical separation treatment equipment for further processing and utilization.

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