Electroplating equipment wastewater recovery device

Abstract

The utility model relates to the technical field of electroplating wastewater recovery, in particular to a wastewater recovery device for electroplating equipment, which comprises a plate-and-frame filter press, a water inlet pipe, a first water outlet pipe, an activated carbon filter box and an activated carbon adsorption plate, the water inlet pipe is arranged on the plate-and-frame filter press, and the side surface of the plate-and-frame filter press is communicated with the activated carbon filter box through the first water outlet pipe; an activated carbon adsorption plate is arranged in the activated carbon filter box. The electroplating equipment wastewater recovery device integrates multi-stage treatment means of carrying out primary solid-liquid separation by the plate-and-frame filter press, adsorbing organic pollutants and part of heavy metals by the activated carbon filter box, removing residual heavy metals by the ion exchange tank and the like, and provides an integrated, efficient and economical solution; according to the method, heavy metal ions and organic pollutants in the electroplating wastewater can be more effectively removed, the treatment period is shortened, and the use amount of chemical agents is reduced, so that the treatment cost is reduced, and meanwhile, the environmental friendliness of the treatment process and effective recycling of resources are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to electroplating wastewater recovery technical field especially relates to a kind of electroplating equipment wastewater recovery device. BACKGROUND

[0002] Electroplating process is widely used in metal product surface treatment, to enhance its corrosion resistance, wear resistance and aesthetic degree, however, in electroplating process, a large amount of wastewater containing heavy metal ions (such as chromium, nickel, copper, etc.), acid and alkali substances and other harmful components will be produced, if these wastewater is directly discharged without proper treatment, it will cause serious pollution to the environment, and may pose a threat to human health, therefore, developing efficient electroplating equipment wastewater recovery device is of great significance for protecting ecological environment, saving water resources and realizing sustainable development.

[0003] The patent with patent authorization announcement No.CN207877447U discloses electroplating wastewater recovery treatment device, which sets up circulating exchange pipe outside electroplating pool body, then sprays and adds medicine treatment to the exchange circulating pipe through waste liquid treatment ball to remove metal ions in electroplating liquid, at the same time, the bottom of waste liquid treatment ball is also provided with upward protruding filter cover for filtering generated waste residue and circulating waste residue, and the liquid treated by waste liquid treatment ball is then drained to buffer tank for buffering and further treatment, finally, through circulating backflow pipe, circulating pump and backflow valve, it is drained to electroplating pool for recycling, although the patent uses biological technology to remove part of pollutants, but the treatment method of the patent is relatively single, when facing complex component electroplating wastewater, especially heavy metal ions and refractory organic matter, its treatment efficiency is low, reaction time is long, and a large amount of chemical reagent is needed, resulting in high operation cost, and there may be the risk of secondary pollution.

[0004] Therefore, it is urgent to provide an electroplating equipment wastewater recovery device combining physical filtration, chemical adsorption, ion exchange and other treatment technologies to realize comprehensive and efficient purification and recovery of electroplating wastewater. UTILITY MODEL CONTENT

[0005] In order to overcome the shortcomings of the existing patent electroplating wastewater recovery treatment device using biological treatment method, which is relatively single, when facing complex component electroplating wastewater, the treatment efficiency is low, the reaction time is long and the operation cost is high, the utility model provides an electroplating equipment wastewater recovery device combining physical filtration, chemical adsorption, ion exchange and other treatment technologies.

[0006] Compared with the prior art, the electroplating equipment wastewater recovery device has the following technical effects: the electroplating equipment wastewater recovery device, which comprises a plate-and-frame filter press, a water inlet pipe, a first water outlet pipe, an activated carbon filter box, an activated carbon adsorption plate, a first liquid guide pipe, a first valve, an ion exchange tank, an ion exchange resin column, a second liquid guide pipe and a second valve, the plate-and-frame filter press is provided with the water inlet pipe, the plate-and-frame filter press is connected with the activated carbon filter box through the first water outlet pipe in the side, the activated carbon filter box is internally provided with the activated carbon adsorption plate, the activated carbon filter box is connected with the ion exchange tank through the first liquid guide pipe in the side, the first liquid guide pipe is provided with the first valve, the ion exchange tank is internally provided with the ion exchange resin column, one end of the second liquid guide pipe is connected and communicated with the ion exchange tank, and the second liquid guide pipe is provided with the second valve.

[0007] Further, the first sealing cover is arranged on the top of the activated carbon filter box.

[0008] Further, the second sealing cover is arranged on the top of the ion exchange tank.

[0009] Further, the reverse osmosis double tank, the reverse osmosis membrane, the joint, the communication pipe, the second water outlet pipe and the third valve are further included, the joint is arranged on the top of the reverse osmosis double tank, the communication pipe is arranged on the joint, the communication pipe is connected with the other end of the second liquid guide pipe, the reverse osmosis membrane is arranged in the reverse osmosis double tank, one end of the second water outlet pipe is connected and communicated with the lower part of the reverse osmosis double tank, and the third valve is arranged on the second water outlet pipe.

[0010] Further, the detection frame, the multi-parameter water quality tester, the drain pipe and the fourth valve are further included, the detection frame is connected with the other end of the second water outlet pipe, the multi-parameter water quality tester is arranged on the side of the detection frame, the inspection probe of the multi-parameter water quality tester is arranged in the detection frame, the drain pipe is connected and communicated with the front side of the detection frame, and the fourth valve is arranged on the drain pipe.

[0011] Further, the protective sleeve is arranged on the handle of the first valve, the second valve, the third valve and the fourth valve.

[0012] Further, the transparent observation plate is arranged on the front side of the activated carbon filter box.

[0013] Compared with the prior art, the electroplating equipment wastewater recovery device integrates a plate-and-frame filter press for preliminary solid-liquid separation, an activated carbon filter box for adsorbing organic pollutants and part of heavy metals, and an ion exchange tank for removing residual heavy metals, and provides an integrated, efficient and economical solution, which can more effectively remove heavy metal ions and organic pollutants in electroplating wastewater, shorten the treatment period, reduce the amount of chemical agents used, thereby reducing the treatment cost, while ensuring the environmental friendliness and effective recycling of resources during the treatment process.

[0014] 2. By introducing a reverse osmosis double-tank device, the wastewater is deeply purified by using reverse osmosis membrane technology, further removing residual trace harmful substances, so that the quality of the finally discharged or recycled water is more pure.

[0015] 3. The device can monitor various indexes of the treated water in real time through the setting of the multi-parameter water quality tester, and the instant monitoring mechanism helps to quickly respond to any potential problems, ensuring that the quality of the finally discharged or recycled water meets the environmental protection requirements and industrial water standards. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the three-dimensional structure of the utility model.

[0017] Figure 2 It is a sectional view of the plate-and-frame filter press, activated carbon filter box, ion exchange tank and other components of the utility model.

[0018] Figure 3 It is a sectional view of the plate-and-frame filter press, water inlet pipe and first water outlet pipe and other components of the utility model.

[0019] Figure 4 It is a sectional view of the activated carbon filter box, activated carbon adsorption plate and first liquid guide pipe and other components of the utility model.

[0020] Figure 5 It is a sectional view of the ion exchange tank, ion exchange resin column and second liquid guide pipe and other components of the utility model.

[0021] Figure 6 It is a sectional view of the reverse osmosis double-tank, reverse osmosis membrane and second water outlet pipe and other components of the utility model.

[0022] Figure 7 It is a sectional view of the detection frame, multi-parameter water quality tester and drain pipe and other components of the utility model.

[0023] The figure label name: 1, plate and frame filter press, 2, water inlet pipe, 3, first water outlet pipe, 4, activated carbon filter box, 5, activated carbon adsorption plate, 6, first sealing cover, 7, first liquid guide pipe, 8, first valve, 9, ion exchange tank, 10, ion exchange resin column, 11, second sealing cover, 12, second liquid guide pipe, 13, second valve, 14, reverse osmosis double tank, 15, reverse osmosis membrane, 16, joint, 17, communication pipe, 18, second water outlet pipe, 19, third valve, 20, detection frame, 21, multi-parameter water quality tester, 22, drain pipe, 23, fourth valve, 24, protective sleeve, 25, transparent observation plate. DETAILED DESCRIPTION

[0024] The above scheme will be further described in combination with specific examples. It should be understood that these examples are used to illustrate the present application and are not limited to limit the scope of the present application. The implementation conditions used in the examples can be further adjusted according to the specific conditions of the manufacturer, and the implementation conditions not marked are usually the conditions in the conventional experiment.

[0025] Example 1: please refer to Figures 1-5 A kind of electroplating equipment wastewater recovery device, including plate and frame filter press 1, water inlet pipe 2, first water outlet pipe 3, activated carbon filter box 4, activated carbon adsorption plate 5, first sealing cover 6, first liquid guide pipe 7, first valve 8, ion exchange tank 9, ion exchange resin column 10, second sealing cover 11, second liquid guide pipe 12, second valve 13 and transparent observation plate 25, plate and frame filter press 1 is provided with water inlet pipe 2, wastewater enters plate and frame filter press 1 from water inlet pipe 2 and is pretreated, removes suspended solids and large particle impurities, the right side of plate and frame filter press 1 is connected with activated carbon filter box 4 through first water outlet pipe 3, activated carbon filter box 4 is internally provided with activated carbon adsorption plate 5, for removing organic pollutants and part of heavy metals, the top of activated carbon filter box 4 is provided with first sealing cover 6, first sealing cover 6 is used to ensure the sealing property of the internal environment of activated carbon filter box 4, which helps to prevent external pollutants from entering and affecting the treatment effect, the front side of activated carbon filter box 4 is embedded with transparent observation plate 25, the setting of transparent observation plate 25 allows the operator to intuitively check the working condition inside the filter box without opening the equipment, the right side of activated carbon filter box 4 is connected with ion exchange tank 9 through first liquid guide pipe 7, first valve 8 is installed on first liquid guide pipe 7, ion exchange tank 9 is internally provided with ion exchange resin column 10, for removing residual heavy metals and other substances, the top of ion exchange tank 9 is provided with second sealing cover 11, second sealing cover 11 is used to ensure the sealing state of the tank body to maintain the treatment conditions in the tank, one end of second liquid guide pipe 12 is connected and communicated with ion exchange tank 9, the treated wastewater is discharged from second liquid guide pipe 12 and enters the next process, second valve 13 is installed on second liquid guide pipe 12 for controlling the discharge of treated water.

[0026] The working process of the electroplating equipment wastewater recovery device is as follows:

[0027] Pretreatment stage: The electroplating wastewater first enters the plate and frame filter press 1 through the water inlet pipe 2. In this stage, the plate and frame filter press 1 traps solid particles in the wastewater on the filter cloth by applying pressure, thereby achieving solid-liquid separation, and the suspended solids and large particle impurities in the wastewater are filtered out.

[0028] Activated carbon adsorption stage: The pretreated wastewater then flows into the activated carbon filter box 4 through the first water outlet pipe 3. The activated carbon adsorption plate 5 inside the activated carbon filter box 4 has a large surface area and can effectively adsorb organic pollutants and part of heavy metal ions in the wastewater.

[0029] Ion exchange stage: The wastewater flowing out of the activated carbon filter box 4 flows to the ion exchange tank 9 through the first connecting pipe. The flow rate can be controlled and sufficient adsorption time can be ensured by adjusting the first valve 8 during this process. After the wastewater enters the ion exchange tank 9, it passes through the ion exchange resin column 10. Ion exchange resins can selectively remove specific cations or anions in water, such as residual heavy metal ions. Through the ion exchange process, the water quality is further purified.

[0030] The wastewater treated by the above steps becomes cleaner, and finally discharged through the second connecting pipe for the next process. In this process, the second valve 13 is used to control the discharge rate and timing of the treated water.

[0031] Example 2: Based on Example 1, please refer to Figure 6 It also includes a reverse osmosis double tank 14, a reverse osmosis membrane 15, a joint 16, a communication pipe 17, a second water outlet pipe 18, and a third valve 19. The reverse osmosis double tank 14 is provided with the joint 16 at the top, and the joint 16 is provided with the communication pipe 17. The communication pipe 17 is connected to the other end of the second liquid guide pipe 12. The reverse osmosis double tank 14 is provided with the reverse osmosis membrane 15 inside, which is used for deep purification treatment of the wastewater. The reverse osmosis double tank 14 is connected and communicated with one end of the second water outlet pipe 18 at the lower part. The deeply purified wastewater is discharged from the second water outlet pipe 18 and enters the next process. The second water outlet pipe 18 is provided with the third valve 19.

[0032] Please refer to Figure 7Further comprising a detection frame 20, a multi-parameter water quality tester 21, a drain pipe 22, a fourth valve 23 and a protective sleeve 24, the detection frame 20 is connected with the other end of the second water outlet pipe 18, used for collecting and temporarily storing the water sample processed by the reverse osmosis double tank 14, the multi-parameter water quality tester 21 is installed on the side of the detection frame 20, and the inspection probe thereof is located inside the detection frame 20, so as to monitor various indexes of water quality in real time, the drain pipe 22 is connected and communicated with the front side of the detection frame 20, the water body meeting the detection requirement is directly discharged through the drain pipe 22, the fourth valve 23 is installed on the drain pipe 22, the handles of the first valve 8, the second valve 13, the third valve 19 and the fourth valve 23 are all sleeved with the protective sleeve 24, mainly for increasing the comfort and safety during operation, and providing a better holding feeling.

[0033] The wastewater treated by the plate-and-frame filter press 1, the activated carbon filter box 4 and the ion exchange tank 9 is introduced into the reverse osmosis double tank 14 through the second connecting pipe, and most of the salt, small-molecule organic matter and other impurities dissolved in the water are effectively blocked by the internal reverse osmosis membrane 15, only allowing water molecules to pass through, so as to realize the deep evolution of the wastewater, then the water deeply purified by the reverse osmosis membrane 15 is discharged into the detection frame 20 through the second water outlet pipe 18, and the multi-parameter water quality tester 21 starts to work, and can monitor multiple key indexes in the water in real time, such as pH value, conductivity, heavy metal content and the like, according to the instant data provided by the multi-parameter water quality tester 21, the operator can judge whether the water quality after the current treatment meets the expected standard, if not, further treatment or adjustment of the previous treatment step is needed, if the detection result shows that the water quality is qualified, the treated water can be discharged from the drain pipe 22 by opening the fourth valve 23.

[0034] The above embodiment is only for describing the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A wastewater recovery device for electroplating equipment, characterized in that, It includes plate and frame filter press (1), water inlet pipe (2), first water outlet pipe (3), activated carbon filter box (4), activated carbon adsorption plate (5), first liquid guide pipe (7), first valve (8), ion exchange tank (9), ion exchange resin column (10), second liquid guide pipe (12) and second valve (13), the plate and frame filter press (1) is provided with water inlet pipe (2), the plate and frame filter press (1) side is communicated with activated carbon filter box (4) through first water outlet pipe (3), activated carbon filter box (4) is provided with activated carbon adsorption plate (5) inside, activated carbon filter box (4) side is communicated with ion exchange tank (9) through first liquid guide pipe (7), first liquid guide pipe (7) is installed with first valve (8), ion exchange tank (9) is provided with ion exchange resin column (10) inside, one end of second liquid guide pipe (12) is connected and communicated with ion exchange tank (9), second valve (13) is installed on second liquid guide pipe (12).

2. The apparatus according to claim 1, wherein the apparatus is characterized by: It also includes first sealing cover (6), and the activated carbon filter box (4) is provided with first sealing cover (6) on top.

3. The apparatus according to claim 2, wherein the apparatus is characterized by: It also includes second sealing cover (11), and the ion exchange tank (9) is provided with second sealing cover (11) on top.

4. The apparatus according to claim 3, wherein the apparatus is characterized by: It also includes reverse osmosis double tank (14), reverse osmosis membrane (15), joint (16), communication pipe (17), second water outlet pipe (18) and third valve (19), the reverse osmosis double tank (14) is provided with joint (16) on top, the joint (16) is provided with communication pipe (17), the communication pipe (17) is communicated with the other end of second liquid guide pipe (12), the reverse osmosis double tank (14) is provided with reverse osmosis membrane (15) inside, one end of second water outlet pipe (18) is connected and communicated with the lower part of reverse osmosis double tank (14), the third valve (19) is installed on second water outlet pipe (18).

5. The apparatus according to claim 4, wherein the apparatus is characterized by: It also includes detection frame (20), multi-parameter water quality tester (21), drain pipe (22) and fourth valve (23), the detection frame (20) is communicated with the other end of second water outlet pipe (18), the multi-parameter water quality tester (21) is installed on the side of detection frame (20), and the inspection probe is located in the detection frame (20), the drain pipe (22) is connected and communicated with the front side of detection frame (20), and the fourth valve (23) is installed on the drain pipe (22).

6. The apparatus according to claim 5, wherein the apparatus is characterized by: It also includes protective sleeve (24), and the handles of the first valve (8), the second valve (13), the third valve (19) and the fourth valve (23) are all provided with protective sleeve (24).

7. The apparatus according to claim 6, wherein the apparatus is characterized by: It also includes transparent observation plate (25), and the transparent observation plate (25) is embeddedly arranged on the front side of activated carbon filter box (4).

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