Electroplating wastewater recovery and treatment device

Abstract

The utility model discloses a device for recycling and treating electroplating wastewater, including a reaction tank, wherein the interior of the reaction tank is rotatably connected with a vertical pipe, the outer side of the vertical pipe is fixedly connected with a plurality of groups of one-way valve heads and a plurality of groups of paddles, the paddles and the one-way valve heads are arranged vertically and spaced apart from each other, the interior of the reaction tank is fixedly connected with a filter screen, and a jacking assembly is installed at the bottom of the reaction tank. The utility model adds a reaction material into a stirring box, injects electroplating wastewater into the interior of the reaction tank, then starts a stirring mechanism to mix and stir the interior of the stirring box, then starts the stirring mechanism to rise vertically, so that the vertical pipe mouth is connected with the stirring box, and the internal liquid medicine flows into the interior of the vertical pipe, and the stirring mechanism continuously drives the vertical pipe to rotate at a high speed, generating centrifugal force to pass the one-way valve head into the electroplating liquid wastewater, thereby realizing the advantages of the device having a simple structure, reducing the number of motor equipment, so as to reduce the use and maintenance costs, and less flushing water consumption.

Description

Technical Field

[0001] The utility model relates to the technical field of electroplating wastewater recovery, in particular to an electroplating wastewater recovery and treatment device. Background Art

[0002] The treatment of electroplating wastewater on the market is generally carried out by adding alkaline substances to the electroplating wastewater for reaction precipitation. The electroplating wastewater on the surface can be recycled after filtering. However, sludge is easily accumulated at the bottom of the reaction tank, resulting in blockage of the reactant outlet. The reaction tank needs to be cleaned regularly, and it is impossible to ensure that the wastewater on the upper layer of the electroplating wastewater is extracted for filtration, making the recycling of the electroplating wastewater very difficult.

[0003] Patent application No. 202222296825.5 was retrieved and disclosed a device for recycling and treating electroplating wastewater, which relates to the technical field of wastewater recycling and treatment. It includes a bottom plate, a treatment cylinder, which is fixedly arranged on the top of the outer wall of the bottom plate, a filling mechanism, which is arranged on the treatment cylinder, and the filling mechanism includes a mounting frame, a medicine cylinder, a spraying component, a first stirring component and a driving component. The mounting frame is fixedly arranged on the top of the outer wall of the bottom plate, the medicine cylinder is rotatably embedded in the inner wall of the mounting frame, the spraying component is arranged on the medicine cylinder, the first stirring component is arranged in the medicine cylinder, the driving component is arranged on the treatment cylinder, the second stirring mechanism is arranged in the treatment cylinder, and the filter is fixedly arranged on the inner wall of the treatment cylinder. The electroplating wastewater recycling and treatment device can make the wastewater in the treatment cylinder and the chemical agent mix evenly through the filling mechanism and the second stirring mechanism, so that the chemical agent and the wastewater can fully react, avoid the slow reaction of the chemical agent and the wastewater, and reduce the working efficiency of wastewater recycling and treatment.

[0004] However, the above-mentioned prior art uses a lot of motor equipment in the structures of adding material, stirring and injecting reaction liquid, so the power consumption is large, the structure is complex, and the use and maintenance costs are high. At the same time, it is inconvenient to discharge the sediment accumulated on the filter plate and the water consumption is large. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide an electroplating wastewater recovery and treatment device.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A device for recycling and treating electroplating wastewater comprises a reaction tank, wherein a vertical pipe is rotatably connected inside the reaction tank, a plurality of groups of one-way valve heads and a plurality of groups of paddles are fixedly connected to the outside of the vertical pipe, the paddles and the one-way valve heads are arranged vertically and spaced apart from each other, a filter screen is fixedly connected inside the reaction tank, a jacking assembly is installed at the bottom of the reaction tank, a stirring box is fixedly installed at the top of the reaction tank, a stirring mechanism is installed inside the stirring box, the stirring mechanism cooperates with the vertical pipe, a drain valve pipe and a water valve pipe are fixedly installed on the right side of the reaction tank, the drain valve pipe and the water valve pipe are respectively located at the top and bottom of the filter screen.

[0008] As a further description of the above technical solution: the stirring mechanism includes a lifting assembly, a stirring motor, a stirring rod, a plug and two positioning pieces, the lifting assembly is installed on the stirring box, the stirring motor is fixedly installed on the lifting assembly, the output end of the stirring motor is fixedly connected to the stirring rod through a coupling, the bottom end of the stirring rod is inserted into the interior of the stirring box, the bottom end of the stirring rod is fixedly connected to the plug, the two positioning pieces are both installed inside the vertical pipe orifice, the positioning piece and the plug are movably matched, and the plug is clamped with the vertical pipe orifice.

[0009] As a further description of the above technical solution: the lifting assembly includes a first hydraulic cylinder, a limit plate and a connecting plate, the first hydraulic cylinder and the limit plate are both fixedly connected to the mixing box, the movable end of the first hydraulic cylinder is fixedly connected to the connecting plate, one end of the connecting plate is slidably connected to the limit plate, and the bottom of the other end of the connecting plate is fixedly connected to the mixing motor.

[0010] As a further description of the above technical solution: the positioning member includes a fixed block and a vertical rod, the fixed block is fixedly installed inside the vertical tube, the bottom end of the vertical rod is fixedly connected to the fixed block, and the top end of the vertical rod is inserted into the inside of the plug block and penetrates above it.

[0011] As a further description of the above technical solution: the lifting assembly includes a second hydraulic cylinder and a push plate, the second hydraulic cylinder is fixedly installed to the interior of the reaction tank, the top end of the second hydraulic cylinder is fixedly connected to the push plate, and the outer side of the push plate is slidably connected to the interior of the reaction tank.

[0012] As a further description of the above technical solution: a circulation pump is installed on the left side of the reaction tank, and both ends of the circulation pump are connected and fixed to the reaction tank through pipelines.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] This solution uses a vertical pipe in conjunction with a stirring mechanism and a jacking assembly, thereby achieving the advantages of a simple structure, reduced number of motor equipment to reduce use and maintenance costs, and low flushing water consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0017] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of the middle A part;

[0018] Figure 4 It is a partial three-dimensional structural schematic diagram of the utility model.

[0019] Description of the numbers in the figure:

[0020] 1. Reaction tank; 2. Vertical pipe; 3. One-way valve head; 4. Paddle; 5. Filter screen; 6. Lifting assembly; 61. Second hydraulic cylinder; 62. Push plate; 7. Mixing box; 8. Mixing mechanism; 81. Lifting assembly; 811. First hydraulic cylinder; 812. Limit plate; 813. Connecting plate; 82. Mixing motor; 83. Mixing rod; 84. Block; 85. Positioning piece; 851. Fixed block; 852. Vertical rod; 9. Circulation pump; 10. Drain valve pipe; 11. Drain valve pipe. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention;

[0022] See also Figures 1 to 4 In the utility model, a device for recycling and treating electroplating wastewater includes a reaction tank 1, the interior of the reaction tank 1 is rotatably connected with a vertical pipe 2, the outer side of the vertical pipe 2 is fixedly connected with a plurality of groups of one-way valve heads 3 and a plurality of groups of paddles 4, the paddles 4 and the one-way valve heads 3 are arranged vertically and spaced apart from each other, the interior of the reaction tank 1 is fixedly connected with a filter screen plate 5, a jacking assembly 6 is installed at the bottom of the reaction tank 1, a stirring box 7 is fixedly installed at the top of the reaction tank 1, a stirring mechanism 8 is installed inside the stirring box 7, and the stirring mechanism 8 cooperates with the vertical pipe 2, a sewage valve pipe 10 and a drainage valve pipe 11 are fixedly installed on the right side of the reaction tank 1, and the sewage valve pipe 10 and the drainage valve pipe 11 are respectively located at the top and bottom of the filter screen plate 5.

[0023] In the utility model, the reaction tank 1 is used as the main body of the device. First, the reaction material is added to the inside of the stirring box 7, and the electroplating wastewater is injected into the inside of the reaction tank 1. Then, the stirring mechanism 8 is started to mix and stir the inside of the stirring box 7. Then, the stirring mechanism 8 is started to rise vertically, so that the pipe mouth of the vertical pipe 2 is connected with the stirring box 7, and the internal medicine flows into the inside of the vertical pipe 2. The stirring mechanism 8 continuously drives the vertical pipe 2 to rotate at a high speed, generating centrifugal force to pass the one-way valve head 3 into the electroplating liquid wastewater, and the rotating vertical pipe 2 drives the paddle 4 to continuously transport the sewage at the center position downward with the vertical pipe 2 as the axis, and the sewage on the outer edge is collected to the center to realize a circulating flow, so as to achieve a better buffering effect of the medicine and the electroplating wastewater, and the reaction precipitate is filtered through the filter plate 5. During filtration, since the internal water flow is circulating, the inner wall of the reaction tank 1 is flushed to prevent the reactants from adhering. After the reaction is completed, the sewage and reaction precipitates after the reaction are discharged respectively by opening the sewage valve pipe 10 and the drainage valve pipe 11. When the filter plate 5 is flushed, the lifting assembly 6 is started to rise and contact with the bottom of the filter plate 5 to reduce the amount of water used for flushing. Thus, the device has the advantages of simple structure, reduced number of motor equipment, so as to reduce the cost of use and maintenance, and less water consumption for flushing. More motor equipment is used in the structures such as adding materials, stirring and injecting reaction liquid, so the power consumption is large, the structure is complex, and the cost of use and maintenance is high. At the same time, it is inconvenient to discharge the precipitate accumulated on the filter plate, and the flushing water consumption is large.

[0024] See also Figure 2 and Figure 3 , wherein: the stirring mechanism 8 includes a lifting component 81, a stirring motor 82, a stirring rod 83, a plug 84 and two positioning members 85, the lifting component 81 is installed on the stirring box 7, the stirring motor 82 is fixedly installed on the lifting component 81, the output end of the stirring motor 82 is fixedly connected to the stirring rod 83 through a coupling, the bottom end of the stirring rod 83 is inserted into the inside of the stirring box 7, the bottom end of the stirring rod 83 is fixedly connected to the plug 84, the two positioning members 85 are both installed inside the pipe mouth of the vertical pipe 2, the positioning member 85 and the plug 84 are movably matched, and the plug 84 is clamped with the pipe mouth of the vertical pipe 2.

[0025] In the utility model, the stirring motor 82 is driven to rise vertically by starting the lifting component 81, so as to drive the stirring rod 83 and the plug block 84 to rise vertically, and keep connected with the vertical pipe 2 through the positioning piece 85. The plug block 84 rises so that the vertical pipe 2 is connected with the stirring box 7 to realize the transportation of liquid medicine, and the stirring motor 82 drives the stirring rod 83 and the plug block 84 to rotate, and then drives the vertical pipe 2 to rotate synchronously through the positioning piece 85, so as to realize the injection of liquid medicine and the stirring of sewage.

[0026] See also Figure 2 and Figure 3, wherein: the lifting assembly 81 includes a first hydraulic cylinder 811, a limit plate 812 and a connecting plate 813, the first hydraulic cylinder 811 and the limit plate 812 are both fixedly connected to the mixing box 7, the movable end of the first hydraulic cylinder 811 is fixedly connected to the connecting plate 813, one end of the connecting plate 813 is slidably connected to the limit plate 812, and the bottom of the other end of the connecting plate 813 is fixedly connected to the mixing motor 82.

[0027] In the present invention, the first hydraulic cylinder 811 is started to drive the connecting plate 813 to slide vertically along the limit plate 812, so as to drive the stirring motor 82 to achieve height adjustment, thereby driving the plug 84 to rise so that the vertical pipe 2 is connected to the stirring box 7.

[0028] See also Figure 3 The positioning member 85 includes a fixed block 851 and a vertical rod 852. The fixed block 851 is fixedly installed inside the vertical pipe 2. The bottom end of the vertical rod 852 is fixedly connected to the fixed block 851. The top end of the vertical rod 852 is inserted into the inside of the plug block 84 and penetrates above it.

[0029] In the present invention, the fixing block 851 is used in conjunction with the vertical rod 852 so that the plug block 84 can be vertically adjusted while maintaining communication with the vertical pipe 2 .

[0030] See also Figure 2 , wherein: the lifting assembly 6 includes a second hydraulic cylinder 61 and a push plate 62, the second hydraulic cylinder 61 is fixedly installed inside the reaction tank 1, the top end of the second hydraulic cylinder 61 is fixedly connected to the push plate 62, and the outer side of the push plate 62 is slidably connected to the inside of the reaction tank 1.

[0031] In the utility model, the push plate 62 is driven to rise and contact the bottom of the filter screen plate 5 by starting the second hydraulic cylinder 61, so that the water consumption is reduced during flushing, and the flushing water directly acts on the filter screen plate 5, thereby saving water.

[0032] See also Figure 1 and Figure 2 , wherein: a circulation pump 9 is installed on the left side of the reaction tank 1, and both ends of the circulation pump 9 are connected and fixed to the reaction tank 1 through pipelines.

[0033] In the utility model, by starting the circulation pump 9 at the initial stage of the reaction, part of the sewage at the bottom of the filter screen plate 5 is circulated upward, and the reaction is complete.

[0034] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. An electroplating wastewater recovery and treatment device, comprising a reaction tank (1), characterized in that: The interior of the reaction tank (1) is rotatably connected to a vertical pipe (2), and the outer side of the vertical pipe (2) is fixedly connected to a plurality of groups of one-way valve heads (3) and a plurality of groups of paddles (4), and the paddles (4) and the one-way valve heads (3) are arranged vertically and spaced apart from each other. The interior of the reaction tank (1) is fixedly connected to a filter screen plate (5), and a jacking assembly (6) is installed at the bottom of the reaction tank (1). A stirring box (7) is fixedly installed at the top of the reaction tank (1), and a stirring mechanism (8) is installed inside the stirring box (7), and the stirring mechanism (8) cooperates with the vertical pipe (2). A sewage valve pipe (10) and a water valve pipe (11) are fixedly installed on the right side of the reaction tank (1), and the sewage valve pipe (10) and the water valve pipe (11) are respectively located at the top and the bottom of the filter screen plate (5).

2. The electroplating wastewater recovery and treatment device according to claim 1, characterized in that: The stirring mechanism (8) comprises a lifting assembly (81), a stirring motor (82), a stirring rod (83), a plug (84) and two positioning members (85); the lifting assembly (81) is mounted on the stirring box (7); the stirring motor (82) is fixedly mounted on the lifting assembly (81); the output end of the stirring motor (82) is fixedly connected to the stirring rod (83) via a coupling; the bottom end of the stirring rod (83) is plugged into the interior of the stirring box (7); the bottom end of the stirring rod (83) is fixedly connected to the plug (84); the two positioning members (85) are both mounted inside the pipe mouth of the vertical pipe (2); the positioning member (85) and the plug (84) are movably matched; the plug (84) is clamped with the pipe mouth of the vertical pipe (2).

3. The electroplating wastewater recovery and treatment device according to claim 2 is characterized in that: The lifting assembly (81) comprises a first hydraulic cylinder (811), a limit plate (812) and a connecting plate (813); the first hydraulic cylinder (811) and the limit plate (812) are both fixedly connected to the mixing box (7); the movable end of the first hydraulic cylinder (811) is fixedly connected to the connecting plate (813); one end of the connecting plate (813) is slidably connected to the limit plate (812); and the bottom of the other end of the connecting plate (813) is fixedly connected to the mixing motor (82).

4. The electroplating wastewater recovery and treatment device according to claim 2, characterized in that: The positioning member (85) comprises a fixing block (851) and a vertical rod (852); the fixing block (851) is fixedly mounted inside the vertical tube (2); the bottom end of the vertical rod (852) is fixedly connected to the fixing block (851); and the top end of the vertical rod (852) is inserted into the inside of the plug block (84) and penetrates above it.

5. The electroplating wastewater recycling and treatment device according to claim 1 is characterized in that: The lifting assembly (6) comprises a second hydraulic cylinder (61) and a push plate (62), wherein the second hydraulic cylinder (61) is fixedly installed inside the reaction tank (1), the top end of the second hydraulic cylinder (61) is fixedly connected to the push plate (62), and the outer side of the push plate (62) is slidably connected to the inside of the reaction tank (1).

6. The electroplating wastewater recycling and treatment device according to claim 1, characterized in that: A circulation pump (9) is installed on the left side of the reaction tank (1), and both ends of the circulation pump (9) are connected and fixed to the reaction tank (1) through pipelines.

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