A circulating and recycling device for electroplating wastewater treatment

Abstract

The utility model discloses a kind of electroplating wastewater treatment recycling devices, it is related to wastewater treatment equipment field, including: circulating water tank part, stand part and purification treatment part, the wastewater after purification can be temporarily stored in circulating water tank part, purified again when recycling, improve wastewater recycling rate, save water resources, reduce enterprise pollution control cost;While through the temporary storage precipitation of circulating water tank part and the ceramic membrane tube deep purification of purification treatment part, realize the secondary purification of the electroplating wastewater after purification, effectively remove heavy metal, organic matter and other harmful substances, ensure that wastewater treatment thoroughness, so that wastewater can meet standard requirements when being recycled. The inside lower end of box is provided with hopper-shaped bottom, for the pollution gathering of static precipitation, and the pollution of sediment is discharged from the blowdown valve pipe, to realize regular blowdown, the water suction pipe of high-pressure pump is connected with the middle part of box, for the supernatant of the upper end of box is extracted, and the pollution of sediment in the lower end of box will not be extracted.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment equipment, and in particular to a recycling device for treating electroplating wastewater. Background Technology

[0002] The electroplating industry generates a large amount of wastewater containing heavy metal ions and chemical agents during the production process. If it is discharged directly without effective treatment, it will pollute the soil and water bodies and damage the ecological environment.

[0003] Currently, electroplating wastewater treatment and recycling devices have the following shortcomings: the wastewater purification process is not thorough enough. Although the purified wastewater is stored and recycled, harmful substances and impurities may still remain after a single purification. Furthermore, the stored purified wastewater cannot undergo secondary purification when it is extracted for recycling. Therefore, there is an urgent need for a recycling device capable of performing secondary purification on the purified wastewater. Summary of the Invention

[0004] The purpose of this invention is to provide a recycling device for electroplating wastewater treatment, which solves the problem that the purified wastewater cannot be subjected to secondary purification treatment when it is extracted and recycled.

[0005] To achieve this objective, the present invention adopts the following technical solution: A recycling device for treating electroplating wastewater includes: The circulating water tank section is used to temporarily store the purified wastewater, and the purified wastewater is left to stand in the circulating water tank section. A support platform; The purification treatment unit is installed on the platform and connected to the circulating water tank through a pipeline. The purified wastewater stored in the circulating water tank undergoes further purification treatment in the purification treatment unit before being discharged for reuse.

[0006] As a preferred embodiment of the electroplating wastewater treatment recycling device of this utility model, the circulating water tank section includes: A water storage tank is installed on the frame and is used to temporarily store the purified wastewater. The purified wastewater is allowed to settle in the water storage tank. A high-pressure pump is installed on the frame and connected to a water storage tank to pump the settled liquid in the water storage tank into the purification treatment section for secondary purification treatment.

[0007] In a preferred embodiment of the electroplating wastewater treatment recycling device of this utility model, the water storage tank comprises: The box body is a rectangular rectangular box structure, and the lower end of the box body is fixedly welded to the frame. The water inlet cover is detachably installed on the upper end of the tank by bolts, and is used to introduce wastewater purified by the front-end purification equipment into the tank. A drain valve pipe is connected to the lower end of the tank body and is used to discharge the sludge that has settled in the tank body.

[0008] As a preferred embodiment of the electroplating wastewater treatment recycling device of this utility model, the lower end of the inner part of the tank is provided with a bucket-shaped bottom for collecting the sedimented pollutants and discharging them from the drain valve pipe.

[0009] In a preferred embodiment of the electroplating wastewater treatment recycling device of this utility model, the high-pressure pump component includes: A high-pressure pump, which is mounted on the frame. A water suction pipe, one end of which is connected to the water suction end of the high-pressure pump, and the other end of which is connected to the housing; The outlet pipe is connected to the outlet end of the high-pressure pump, and the other end is connected to the purification treatment unit.

[0010] In a preferred embodiment of the electroplating wastewater treatment recycling device of this utility model, the pumping pipe is connected to the tank at the middle of the tank, and is used to extract the clear liquid from the upper part of the tank.

[0011] As a preferred embodiment of the electroplating wastewater treatment recycling device of this utility model, the frame includes: A raised platform, which has a double-layer structure, is used to install the purification treatment unit; A base frame is fixedly installed on one side of the elevated platform and is used to install the circulating water tank. An arc-shaped concave support block is installed on the double-layer frame of the elevated platform and is used to position and install the purification treatment unit.

[0012] In a preferred embodiment of the electroplating wastewater treatment recycling device of this utility model, the purification treatment unit includes: A ceramic membrane tube is positioned and installed on the arc-shaped concave support block; The water inlet pipe is connected to the inlet end of the ceramic membrane tube and to the outlet pipe of the high-pressure pump. A water outlet fitting, which is connected to the inlet end of the ceramic membrane tube; A drain valve is installed on the outlet pipe fitting.

[0013] In a preferred embodiment of the electroplating wastewater treatment recycling device of this utility model, the inlet pipe includes: The first connecting pipe is a T-shaped tee pipe; The first connecting tube has an E-shaped structure. The middle end of the first connecting tube is connected to the upper end of the first through tube with a T-shaped structure, and the upper and lower ends of the first connecting tube are connected to the ceramic membrane tube. The water inlet pipe is connected to the lower end of the first through pipe and is also connected to the water outlet pipe.

[0014] In a preferred embodiment of the electroplating wastewater treatment recycling device of this utility model, the effluent pipe includes: The second conduit is a T-shaped tee pipe; The second connecting tube has a C-shaped structure. The middle part of the first connecting tube is connected to the upper end of the second connecting tube with a T-shaped structure, and the upper and lower ends of the second connecting tube are connected to the ceramic membrane tube. A water outlet connector is connected to the lower end of the second pipe, and a drain valve is installed on the water outlet connector.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The purified wastewater can be temporarily stored in the circulating water tank. When reused, it will be purified again in the purification treatment section, which improves the wastewater recycling rate, saves water resources, and reduces the company's pollution control costs. At the same time, through the temporary storage and sedimentation in the circulating water tank and the deep purification in the ceramic membrane tube of the purification treatment section, the purified electroplating wastewater is purified again, effectively removing harmful substances such as heavy metals and organic matter, ensuring the thoroughness of wastewater treatment, and enabling the wastewater to meet the standard requirements when it is recycled.

[0016] 2. The water inlet cover of the water tank is removable for easy cleaning. The drain valve pipe is connected to the lower end of the tank, and a funnel-shaped bottom is provided at the lower end of the tank for collecting sediment. The sediment is discharged from the drain valve pipe to achieve regular drainage. At the same time, the pump pipe of the high-pressure pump is connected to the middle of the tank to extract the clear liquid at the upper end of the tank, but will not extract the sediment at the lower end of the tank. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] The structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the circulating water tank section of this utility model; Figure 3 This is a schematic diagram of the internal structure of the box of this utility model; Figure 4 This is a first-view structural diagram of the frame and purification treatment section of this utility model. Figure 5 This is a second-view structural diagram of the stand and purification treatment section of this utility model.

[0020] Illustration: 100. Circulating water tank section; 110. Water storage tank components; 111. Tank body; 101. Funnel-shaped bottom; 112. Water inlet top cover; 113. Sewage valve pipe; 120. High-pressure pump components; 121. High-pressure pump; 122. Water suction pipe; 123. Water outlet pipe; 200. Frame section; 210. High platform; 220. Base platform; 230. Arc-shaped concave support block; 300. Purification treatment unit; 310. Ceramic membrane tube; 320. Inlet pipe fitting; 321. First connecting pipe; 322. First connecting pipe; 323. Inlet pipe connection; 330. Outlet pipe fitting; 331. Second connecting pipe; 332. Second connecting pipe; 333. Outlet pipe connection; 340. Drain valve. Detailed Implementation

[0021] To make the utility model's objectives, features, and advantages more apparent and understandable, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below 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 skilled in the art without creative effort are within the scope of protection of the present utility model.

[0022] In the description of this utility model, it should be understood that the terms "upper," "lower," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be a component centrally located at the same time.

[0023] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0024] Reference Figure 1-5 As shown, this utility model embodiment provides a recycling device for electroplating wastewater treatment, comprising: The circulating water tank section 100 is used to temporarily store the purified wastewater, which is then left to stand in the circulating water tank section 100. The support platform 200 is used to provide a support platform; The purification treatment unit 300 is installed on the frame unit 200 and is connected to the circulating water tank unit 100 through a pipe. The purified wastewater stored in the circulating water tank unit 100 is purified again in the purification treatment unit 300 when it is output for reuse.

[0025] The purified wastewater can be temporarily stored in the circulating water tank 100 and then purified again in the purification treatment section 300 when reused, thereby improving the wastewater recycling rate, saving water resources, and reducing the company's pollution control costs. At the same time, through the temporary storage and sedimentation in the circulating water tank 100 and the deep purification in the ceramic membrane tube 310 of the purification treatment section 300, the purified electroplating wastewater is purified again, effectively removing harmful substances such as heavy metals and organic matter, ensuring the thoroughness of wastewater treatment, and enabling the wastewater to meet the standard requirements when it is recycled.

[0026] In some embodiments of this utility model, reference is made to Figure 2-3As shown, the circulating water tank section 100 includes: Water storage tank 110 is installed on the frame 200 and is used to temporarily store the purified wastewater. The purified wastewater is allowed to settle in the water storage tank 110. The high-pressure pump 120 is installed on the frame 200 and connected to the water storage tank 110. The high-pressure pump 120 pumps the liquid that has been left to stand in the water storage tank 110 into the purification treatment section 300 for secondary purification treatment.

[0027] In some embodiments of this utility model, reference is made to Figure 3 As shown, the water storage tank 110 includes: Box 111, which is a rectangular box structure, has its lower end fixedly welded to the frame 200. The water inlet cover 112 is detachably installed on the upper end of the tank 111 by bolts, and is used to introduce the wastewater purified by the front-end purification equipment into the tank 111. The drain valve pipe 113 is connected to the lower end of the box 111 and is used to discharge the sludge that has settled in the box 111.

[0028] The water storage tank 110 can achieve preliminary sedimentation and purification, laying the foundation for subsequent purification.

[0029] Furthermore, a funnel-shaped bottom 101 is provided at the lower end of the interior of the box 111 for collecting and discharging sludge that has settled from the drain valve pipe 113.

[0030] The inlet cover 112 of the water storage tank 110 is removable, which facilitates the cleaning of the tank body 111. The drain valve pipe 113 is connected to the lower end of the tank body 111, and a funnel-shaped bottom 101 is provided at the lower end of the tank body 111 for collecting sediment. The sedimented sediment is discharged from the drain valve pipe 113 to achieve regular sewage discharge.

[0031] In some embodiments of this utility model, reference is made to Figure 2-3 As shown, the high-pressure pump component 120 includes: High-pressure pump 121 is mounted on the frame 200; The water pump 122 has one end connected to the pumping end of the high-pressure pump 121 and the other end connected to the housing 111. The water outlet pipe 123 is connected to the water outlet end of the high-pressure pump 121, and the other end is connected to the purification treatment unit 300.

[0032] Furthermore, the water pump 122 is connected to the tank 111 at the middle of the tank 111, and is used to extract the clear liquid from the upper part of the tank 111.

[0033] The pump pipe 122 of the high-pressure pump 120 is connected to the middle of the tank 111 to extract the clear liquid at the upper part of the tank 111 without extracting the dirt that has settled at the lower part of the tank 111.

[0034] In some embodiments of this utility model, reference is made to Figure 4-5 As shown, the platform part 200 includes: The elevated platform 210 has a double-layer structure and is used to install the purification treatment unit 300. The base frame 220 is fixedly installed on one side of the high platform 210 and is used to install the circulating water tank 100. The arc-shaped concave support block 230 is installed on the double-layer frame of the high platform 210 and is used to position and install the purification treatment unit 300.

[0035] In some embodiments of this utility model, reference is made to Figure 4-5 As shown, the purification treatment unit 300 includes: Ceramic membrane tube 310 is positioned and installed on the arc-shaped concave support block 230; The water inlet fitting 320 is connected to the inlet end of the ceramic membrane tube 310 and to the outlet pipe 123 of the high-pressure pump 121. Water outlet fitting 330 is connected to the inlet end of ceramic membrane tube 310; Drain valve 340 is installed on water outlet fitting 330.

[0036] Furthermore, the inlet pipe fitting 320 includes: The first connecting pipe 321 is a T-shaped tee pipe; The first connecting pipe 322 has an E-shaped structure. The middle end of the first connecting pipe 322 is connected to the upper end of the first through pipe 321 with a T-shaped structure, and the upper and lower ends of the first connecting pipe 322 are connected to the ceramic membrane tube 310. The water inlet pipe 323 is connected to the lower end of the first connecting pipe 321, and the water inlet pipe 323 is connected to the water outlet pipe 123.

[0037] By connecting the water inlet pipe 320 to the ceramic membrane tube 310, multiple ceramic membrane tubes 310 can be connected in parallel for water intake, thereby improving purification efficiency.

[0038] Furthermore, the outlet pipe fitting 330 includes: The second pipe 331 is a T-shaped tee pipe; The second connecting pipe 332 has a C-shaped structure. The middle part of the first connecting pipe 322 is connected to the upper end of the second through pipe 331 with a T-shaped structure, and the upper and lower ends of the second connecting pipe 332 are connected to the ceramic membrane tube 310. The water outlet pipe 333 is connected to the lower end of the second pipe 331, and a drain valve 340 is connected and installed on the water outlet pipe 333.

[0039] By connecting the water outlet pipe 330 to the ceramic membrane pipe 310, the purified wastewater can be discharged in a centralized and controllable manner, meeting the needs of recycling and reuse.

[0040] Working principle of this electroplating wastewater treatment recycling device: The electroplating wastewater, after preliminary purification at the front end, is introduced into the tank 111 of the water storage tank 110 through the inlet cover 112. The wastewater is left to stand in the tank 111, and the sludge settles to the bottom 101 of the hopper. The sludge is discharged periodically by opening the drain valve 113.

[0041] The high-pressure pump 121 is started, and the clear liquid in the middle of the tank 111 is drawn through the water pumping pipe 122. It is sent into the water inlet fitting 320 through the water outlet pipe 123 and the water inlet pipe 323. The wastewater enters multiple ceramic membrane tubes 310 through the first connecting pipe 321 and the first connecting pipe 322. It is deeply purified by filtration through the ceramic membrane tubes 310. The purified wastewater is discharged through the second connecting pipe 332, the second connecting pipe 331, and the water outlet pipe 333, and is controlled by the drain valve 340 for recycling.

[0042] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A recycling device for treating electroplating wastewater, characterized in that, include: The circulating water tank section (100) is used to temporarily store the purified wastewater, and the purified wastewater is left to stand in the circulating water tank section (100). A support platform (200) is provided to support the platform. Purification treatment unit (300) is installed on the frame unit (200) and connected to the circulating water tank unit (100) through a pipe. The purified wastewater stored in the circulating water tank unit (100) is purified again through the purification treatment unit (300) when it is output for reuse.

2. The recycling device for electroplating wastewater treatment according to claim 1, characterized in that, The circulating water tank section (100) includes: A water storage tank (110) is installed on the frame (200) and is used to temporarily store the purified wastewater. The purified wastewater is allowed to settle in the water storage tank (110). A high-pressure pump (120) is installed on the frame (200) and connected to a water storage tank (110) to pump the liquid that has been left to stand in the water storage tank (110) into the purification treatment section (300) for secondary purification treatment.

3. The recycling device for electroplating wastewater treatment according to claim 2, characterized in that, The water storage tank (110) includes: The box body (111) is a rectangular long box structure, and the lower end of the box body (111) is fixedly welded to the frame part (200); Water inlet cover (112), which is detachably installed on the upper end of the box (111) by bolts, is used to introduce wastewater purified by the front-end purification equipment into the box (111); A drain valve pipe (113) is connected to the lower end of the box (111) and is used to discharge the sludge that has settled in the box (111).

4. The recycling device for treating electroplating wastewater according to claim 3, characterized in that: The lower part of the box (111) is provided with a bucket-shaped bottom (101) for collecting the sediment and discharging it from the drain valve pipe (113).

5. The recycling device for treating electroplating wastewater according to claim 3, characterized in that, The high-pressure pump component (120) includes: A high-pressure pump (121) is mounted on the frame (200); A water pump (122) is provided, with one end connected to the pumping end of the high-pressure pump (121) and the other end connected to the housing (111). The water outlet pipe (123) is connected to the water outlet end of the high-pressure pump (121), and the other end is connected to the purification treatment unit (300).

6. The recycling device for treating electroplating wastewater according to claim 5, characterized in that: The water pump (122) is connected to the box (111) at the middle of the box (111) and is used to extract the clear liquid from the upper part of the box (111).

7. The recycling device for treating electroplating wastewater according to claim 5, characterized in that, The platform (200) includes: The elevated platform (210) has a double-layer structure and is used to install the purification treatment unit (300). A base frame (220) is fixedly installed on one side of the high platform (210) for installing the circulating water tank (100). An arc-shaped concave support block (230) is installed on the double-layer frame of the high platform (210) for positioning and installing the purification treatment unit (300).

8. The recycling device for treating electroplating wastewater according to claim 7, characterized in that, The purification treatment unit (300) includes: A ceramic membrane tube (310) is positioned and installed on the arc-shaped concave support block (230); Water inlet fitting (320), which is connected to the inlet end of the ceramic membrane tube (310) and to the outlet pipe (123) of the high pressure pump (121); Water outlet fitting (330), which is connected to the inlet end of the ceramic membrane tube (310); A drain valve (340) is installed on the outlet pipe fitting (330).

9. The recycling device for treating electroplating wastewater according to claim 8, characterized in that, The water inlet fitting (320) includes: The first connecting pipe (321) is a T-shaped three-way pipe; The first connecting tube (322) has an E-shaped structure. The middle end of the first connecting tube (322) is connected to the upper end of the first through tube (321) with a T-shaped structure. The upper and lower ends of the first connecting tube (322) are connected to the ceramic membrane tube (310). Water inlet pipe (323) is connected to the lower end of the first through pipe (321) and water inlet pipe (323) is connected to the water outlet pipe (123).

10. The recycling device for treating electroplating wastewater according to claim 9, characterized in that, The outlet pipe fitting (330) includes: The second connecting pipe (331) is a T-shaped tee pipe; The second connecting pipe (332) has a C-shaped structure. The middle part of the first connecting pipe (322) is connected to the upper end of the second through pipe (331) with a T-shaped structure, and the upper and lower ends of the second connecting pipe (332) are connected to the ceramic membrane tube (310). A water outlet pipe (333) is connected to the lower end of the second pipe (331), and a drain valve (340) is connected and installed on the water outlet pipe (333).

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