A wastewater electrolysis recovery device with a pretreatment structure

Abstract

This utility model relates to a wastewater electrolysis and recovery device with a pretreatment structure, comprising a housing, an electrolysis structure inside the housing, and an electrolysis chamber. The electrolysis chamber is formed inside the housing, and a U-shaped diverter pipe and an insulating mounting plate are fixedly installed inside the electrolysis chamber. This wastewater electrolysis and recovery device with a pretreatment structure increases the contact area between the electrodes and the wastewater. Combined with the stirring action of the stirring component, this ensures uniform flow of the wastewater within the electrolysis chamber, avoiding dead zones and ensuring that metal ions in the wastewater fully contact the electrodes and are deposited at the cathode. Then, through a multi-stage filtration structure, large particulate impurities, fine suspended particles, and organic pollutants in the wastewater are removed sequentially, preventing impurities from adhering to the electrode surface and affecting the electrolysis reaction.

Description

Technical Field

[0001] This utility model relates to the technical field of wastewater electrolysis and recycling devices, specifically a wastewater electrolysis and recycling device with a pretreatment structure. Background Technology

[0002] Wastewater electrolysis recovery devices are environmental protection equipment that extracts and recovers valuable metals from wastewater through electrolysis, while simultaneously purifying the wastewater. They are widely used in industries that generate wastewater containing metal ions, such as electroplating, electronics, and metallurgy.

[0003] A search revealed a wastewater electrolysis recycling device disclosed in Chinese utility model patent publication number CN220334891U. In this device, the user inserts an electrode rod into a positioning seat and then secures it with bolts. The electrode rod is then positioned within a limiting tube by interlocking the positioning seat and a limiting seat. A cable is then passed through a gas guide tube and electrically connected to the electrode rod. The gas guide tube and the limiting tube are then connected and secured with a threaded connection, while the gas guide tube presses against the positioning seat. Electrolyte is then introduced into the electrolytic cell through the inlet for electrolysis, and the gas generated during electrolysis is collected through the gas guide tube. Impurities generated during electrolysis are discharged through a drain outlet at the bottom of the electrolytic cell.

[0004] However, the wastewater electrolysis recycling device does not have a pretreatment structure. When the suspended impurities, grease and organic pollutants in the wastewater directly enter the electrolysis cell, they will adhere to the electrode surface and form dirt, which will reduce the electrode activity and electrolysis efficiency. It will also increase the frequency of electrode cleaning and maintenance costs. Furthermore, the electrolysis structure of the device needs to be optimized. Therefore, a wastewater electrolysis recycling device with a pretreatment structure is proposed. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a wastewater electrolysis and recovery device with a pretreatment structure, which has the advantages of good pretreatment effect and high electrolysis efficiency, and solves the problems of lack of effective pretreatment and low electrolysis efficiency in existing devices.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a wastewater electrolysis and recycling device with a pretreatment structure, comprising a tank, a valve inlet pipe fixedly installed on the left side of the tank, a valve outlet pipe fixedly installed on the right side of the tank, a multi-stage filtration structure inside the tank, and an electrolysis structure inside the tank; The electrolysis structure includes an electrolysis chamber, which is located inside the housing. A U-shaped shunt pipe is fixedly installed inside the electrolysis chamber. An insulating mounting plate is fixedly installed inside the electrolysis chamber. A cathode plate is fixedly installed on the outer surface of the insulating mounting plate. An anode plate is fixedly installed on the outer surface of the insulating mounting plate. A pH meter is fixedly installed on the inner bottom wall of the electrolysis chamber. A temperature sensor is fixedly installed on the inner bottom wall of the electrolysis chamber. A heating element is fixedly installed on the inner rear wall of the electrolysis chamber. A gas collection hood is fixedly installed on the top of the housing. A motor is fixedly installed on the bottom of the housing. A stirring rod is rotatably connected to the inner bottom wall of the electrolysis chamber.

[0007] Furthermore, the multi-stage filtration structure includes a filtration chamber, which is located inside the housing. A U-shaped seat is fixedly installed inside the filtration chamber. A coarse filter plate is movably connected inside the U-shaped seat. A fine filter plate is movably connected inside the U-shaped seat. An activated carbon adsorption plate is movably connected inside the U-shaped seat. A liquid level sensor is fixedly installed on the inner right wall of the filtration chamber. A pump body is fixedly installed inside the housing, and a connecting pipe is fixedly installed at the output end of the pump body.

[0008] Furthermore, a control panel is provided on the front of the box, a first box door is hinged to the front of the electrolysis chamber, a number of diversion holes are opened at the bottom of the loop-shaped diversion pipe, the loop-shaped diversion pipe is fixedly connected to the electrolysis chamber by three support rods, and insulating mounting plates are fixedly installed on the inner left and inner right walls of the electrolysis chamber.

[0009] Furthermore, three cathode plates are fixedly installed on the left side of one of the insulating mounting plates, and three anode plates are fixedly installed on the right side of the other insulating mounting plate.

[0010] Furthermore, the gas collection hood is located at the top of the electrolysis chamber, a valve exhaust pipe is fixedly installed on the top of the gas collection hood, a valve replenishment pipe is fixedly installed on the top of the electrolysis chamber, and the bottom of the stirring rod is fixedly connected to the output end of the motor.

[0011] Furthermore, a second door is hinged to the top of the filter chamber, and there are six U-shaped seats. The six U-shaped seats are respectively fixedly installed on the inner front wall and inner rear wall of the filter chamber, and the coarse filter plate, fine filter plate and activated carbon adsorption plate are respectively inserted into the interior of the six U-shaped seats in sequence.

[0012] Furthermore, a valve drain pipe is fixedly installed at the bottom of the filter chamber, a water pumping pipe is fixedly installed on the left side of the pump body, the water pumping pipe extends into the interior of the filter chamber, and the end of the connecting pipe is fixedly connected to the left side of the loop-shaped diversion pipe.

[0013] Beneficial effects Compared with the prior art, the technical solution of this application has the following beneficial effects: This wastewater electrolysis recovery device with a pretreatment structure increases the contact area between the electrodes and the wastewater through the electrolysis structure. Combined with the stirring effect of the stirring component, the wastewater can flow evenly in the electrolysis chamber, avoiding dead zones in the flow field. This ensures that the metal ions in the wastewater fully contact the electrodes and are deposited at the cathode. Then, through the multi-stage filtration structure, large particulate impurities, fine suspended particles, and organic pollutants in the wastewater can be removed in sequence, preventing impurities from adhering to the electrode surface and affecting the electrolysis reaction. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a partial three-dimensional structural schematic diagram of the present invention; Figure 3 This is a front sectional view of the present invention. Figure 4 This is a bottom view of the structure of the loop-shaped diverter of this utility model; Figure 5 This is a partial top view of the structure of this utility model.

[0015] In the diagram: 1. Housing; 2. Valve inlet pipe; 3. Valve outlet pipe; 4. Multi-stage filtration structure; 401. Filtration chamber; 402. U-shaped seat; 403. Coarse filter plate; 404. Fine filter plate; 405. Activated carbon adsorption plate; 406. Liquid level sensor; 407. Pump body; 408. Connecting pipe; 5. Electrolysis structure; 501. Electrolysis chamber; 502. U-shaped diverter pipe; 503. Insulating mounting plate; 504. Cathode plate; 505. Anode plate; 506. pH meter; 507. Temperature sensor; 508. Heating element; 509. Gas collection hood; 510. Motor; 511. Stirring rod. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figure 1-5A wastewater electrolysis and recycling device with a pretreatment structure includes a tank 1, a valve inlet pipe 2 fixedly installed on the left side of the tank 1, a valve outlet pipe 3 fixedly installed on the right side of the tank 1, a multi-stage filtration structure 4 inside the tank 1, and an electrolysis structure 5 inside the tank 1. The electrolysis structure 5 includes an electrolysis chamber 501. The electrolysis chamber 501 is located inside the housing 1. A U-shaped diverter pipe 502 is fixedly installed inside the electrolysis chamber 501. An insulating mounting plate 503 is fixedly installed inside the electrolysis chamber 501. A cathode plate 504 and an anode plate 505 are fixedly installed on the outer surface of the insulating mounting plate 503. A pH meter 506 and a temperature sensor 507 are fixedly installed on the inner bottom wall of the electrolysis chamber 501. A heating element 508 is fixedly installed on the inner rear wall of the electrolysis chamber 501. A gas collection hood 509 is fixedly installed on the top of the housing 1. A motor 510 is fixedly installed on the bottom of the housing 1. A stirring rod 511 is rotatably connected to the inner bottom wall of the electrolysis chamber 501.

[0018] Furthermore, the multi-stage filtration structure 4 includes a filtration chamber 401. The filtration chamber 401 is opened inside the housing 1. A U-shaped seat 402 is fixedly installed inside the filtration chamber 401. A coarse filter plate 403 is movably connected inside the U-shaped seat 402. A fine filter plate 404 is movably connected inside the U-shaped seat 402. An activated carbon adsorption plate 405 is movably connected inside the U-shaped seat 402. A liquid level sensor 406 is fixedly installed on the inner right wall of the filtration chamber 401. A pump body 407 is fixedly installed inside the housing 1. A connecting pipe 408 is fixedly installed at the output end of the pump body 407.

[0019] Specifically, such as Figure 2 and Figure 3 As shown, opening the valve inlet pipe 2 allows wastewater to be sent into the filter chamber 401. After entering the filter chamber 401, the wastewater first passes through the coarse filter plate 403 to remove large suspended impurities, then through the fine filter plate 404 to remove fine suspended particles, and finally through the activated carbon adsorption plate 405 to adsorb organic pollutants and odors, completing the pretreatment process. Then, the water level is monitored by the liquid level sensor 406. Then, opening the pump body 407 allows the pretreated wastewater to be pumped out and sent into the U-shaped diversion pipe 502. Through the U-shaped seat 402 and the second box door, after the device is used, opening the second box door exposes the interior of the filter chamber 401. Then, the coarse filter plate 403, fine filter plate 404 and activated carbon adsorption plate 405 can be removed from the six U-shaped seats 402 for individual maintenance or replacement. The interior of the filter chamber 401 is then cleaned, and the remaining impurities are discharged through the valve drain pipe.

[0020] Specifically, such as Figure 3As shown, after the pretreated wastewater enters the U-shaped diversion pipe 502, it is evenly introduced into the electrolysis chamber 501 through the diversion hole. The pH meter 506 can monitor the acidity and alkalinity of the wastewater, and neutralizing liquid can be poured in through the valve replenishment pipe according to the actual situation to ensure that the acidity and alkalinity are within the appropriate range. Then, the cathode plate 504, anode plate 505 and motor 510 are turned on. After the cathode plate 504 and anode plate 505 are energized, an electrolysis reaction is generated. Metal ions in the wastewater are precipitated on the surface of the cathode plate 504 to form elemental metals. The motor 510 drives the stirring rod 511 to rotate, so that the wastewater flows evenly in the electrolysis chamber 501 to ensure that the metal ions react fully. The heating element 508 and temperature sensor 507 can heat the wastewater and monitor the temperature to ensure that the electrolysis reaction is carried out at a suitable temperature. The gas generated during the electrolysis process is collected by the gas collection hood 509. The gas can be discharged by opening the valve exhaust pipe. Finally, the electrolyzed wastewater can be discharged through the valve outlet pipe 3 for subsequent processes.

[0021] Specifically, such as Figure 3 As shown, the coarse filter plate 403 has a pore size of 100-150 micrometers and is used to filter large suspended impurities in wastewater. The fine filter plate 404 has a pore size of 20-50 micrometers and is used to filter fine suspended particles in wastewater. The activated carbon adsorption plate 405 is filled with granular activated carbon and is used to adsorb organic pollutants and odors in wastewater.

[0022] Specifically, such as Figure 3 As shown, the insulating mounting plate 503 is made of polytetrafluoroethylene, which has good insulation and corrosion resistance. The cathode plate 504 and the anode plate 505 are both made of titanium alloy. The surface of the cathode plate 504 is coated with a platinum coating to improve the conductivity and corrosion resistance of the cathode. The surface of the anode plate 505 is coated with a lead dioxide coating to enhance the oxidation resistance of the anode.

[0023] Specifically, such as Figure 1As shown, the control panel is electrically connected to all the electrical equipment within the device. The control panel sends control commands to each component via control signal lines. These signal lines can be analog signal lines, such as 4-20mA current signals, digital signal lines, such as RS485 communication interfaces, or simple switch signal lines. The control signals sent by the control panel are transmitted to the control units of each component via the signal lines. The start and stop operations of each component can be realized through the buttons or touch screen interface on the control panel. After receiving a start command, the controller will send corresponding control signals to each component to start them. When a stop command is received, a stop signal is sent to stop each component from working. The operating parameters of each component can be set on the control panel interface. These parameter settings will be converted into corresponding control signals and sent to the control units of each component, thereby realizing precise adjustment of the operating status of the components. The control panel has the function of monitoring the operating status of each component and can display the operating parameters and status information of each component in real time.

[0024] In summary, this wastewater electrolysis recovery device with a pretreatment structure increases the contact area between the electrode and the wastewater through the electrolysis structure 5. Combined with the stirring action of the stirring component, the wastewater can flow evenly in the electrolysis chamber, avoiding dead zones in the flow field. This ensures that the metal ions in the wastewater fully contact the electrode and are deposited at the cathode. Then, through the multi-stage filtration structure 4, large particulate impurities, fine suspended particles, and organic pollutants in the wastewater can be removed sequentially, preventing impurities from adhering to the electrode surface and affecting the electrolysis reaction.

[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wastewater electrolysis and recovery device with a pretreatment structure, comprising a housing (1), characterized in that: A valve inlet pipe (2) is fixedly installed on the left side of the box (1), and a valve outlet pipe (3) is fixedly installed on the right side of the box (1). The box (1) is equipped with a multi-stage filtration structure (4) and an electrolysis structure (5). The electrolysis structure (5) includes an electrolysis chamber (501). The electrolysis chamber (501) is located inside the housing (1). A U-shaped shunt pipe (502) is fixedly installed inside the electrolysis chamber (501). An insulating mounting plate (503) is fixedly installed inside the electrolysis chamber (501). A cathode plate (504) is fixedly installed on the outer surface of the insulating mounting plate (503). An anode plate (505) is fixedly installed on the outer surface of the insulating mounting plate (503). A pH meter (506) is fixedly installed on the inner bottom wall of the electrolysis chamber (501), a temperature sensor (507) is fixedly installed on the inner bottom wall of the electrolysis chamber (501), a heating element (508) is fixedly installed on the inner rear wall of the electrolysis chamber (501), a gas collection hood (509) is fixedly installed on the top of the box (1), a motor (510) is fixedly installed on the bottom of the box (1), and a stirring rod (511) is rotatably connected to the inner bottom wall of the electrolysis chamber (501).

2. The wastewater electrolysis and recovery device with a pretreatment structure according to claim 1, characterized in that: The multi-stage filtration structure (4) includes a filtration chamber (401). The filtration chamber (401) is provided inside the housing (1). A U-shaped seat (402) is fixedly installed inside the filtration chamber (401). A coarse filter plate (403) is movably connected inside the U-shaped seat (402). A fine filter plate (404) is movably connected inside the U-shaped seat (402). An activated carbon adsorption plate (405) is movably connected inside the U-shaped seat (402). A liquid level sensor (406) is fixedly installed on the inner right wall of the filtration chamber (401). A pump body (407) is fixedly installed inside the housing (1). A connecting pipe (408) is fixedly installed at the output end of the pump body (407).

3. The wastewater electrolysis and recovery device with a pretreatment structure according to claim 1, characterized in that: The front of the box (1) is provided with a control panel, the front of the electrolysis chamber (501) is hinged with a first box door, the bottom of the loop-shaped diversion pipe (502) is provided with a number of diversion holes, the loop-shaped diversion pipe (502) and the electrolysis chamber (501) are fixedly connected by a number of three support rods, and the inner left wall and inner right wall of the electrolysis chamber (501) are both fixedly installed with insulating mounting plates (503).

4. The wastewater electrolysis and recovery device with a pretreatment structure according to claim 1, characterized in that: Three cathode plates (504) are fixedly installed on the left side of one of the insulating mounting plates (503), and three anode plates (505) are fixedly installed on the right side of the other insulating mounting plate (503).

5. The wastewater electrolysis and recovery device with a pretreatment structure according to claim 1, characterized in that: The gas collection hood (509) is located at the top of the electrolysis chamber (501). A valve exhaust pipe is fixedly installed on the top of the gas collection hood (509). A valve replenishment pipe is fixedly installed on the top of the electrolysis chamber (501). The bottom of the stirring rod (511) is fixedly connected to the output end of the motor (510).

6. A wastewater electrolysis and recovery device with a pretreatment structure according to claim 2, characterized in that: The top of the filter chamber (401) is hinged with a second door. There are six U-shaped seats (402). The six U-shaped seats (402) are fixedly installed on the inner front wall and inner rear wall of the filter chamber (401). The coarse filter plate (403), fine filter plate (404) and activated carbon adsorption plate (405) are inserted into the interior of the six U-shaped seats (402) in sequence.

7. A wastewater electrolysis and recovery device with a pretreatment structure according to claim 2, characterized in that: A valve drain pipe is fixedly installed at the bottom of the filter chamber (401), a water pumping pipe is fixedly installed on the left side of the pump body (407), the water pumping pipe extends into the interior of the filter chamber (401), and the end of the connecting pipe (408) is fixedly connected to the left side of the loop-shaped diversion pipe (502).

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