Water-saving recycling device

Abstract

The utility model relates to the technical field of PCB (printed circuit board) processing, and discloses a water-saving recycling device which comprises a rack, the rack is provided with a pretreatment structure and an advanced treatment structure, the pretreatment structure comprises a wastewater primary treatment mechanism arranged at one end of the rack, and the pretreatment structure further comprises a wastewater primary treatment mechanism arranged on one side in the rack; the advanced treatment structure comprises a wastewater secondary treatment mechanism on the other side of the inner and outer ends of the rack, and further comprises a storage mechanism arranged at the other end of the rack. The advanced oxidation technology is introduced, the advanced oxidation technology can be adopted for organic pollutants difficult to remove, the ozone oxidation treatment tank is arranged, complex organic matters are decomposed into simple biodegradable substances, and the treatability of wastewater is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of PCB processing, specifically to a water-saving and recycling device. Background Technology

[0002] In the PCB manufacturing industry, water-saving recycling devices are equipment used to achieve water resource recycling, reduce water waste and environmental pollution. They include a wastewater collection system that collects wastewater from various wastewater-generating processes during PCB manufacturing (such as etching, electroplating, cleaning, etc.) through pipelines and gathers it into a wastewater collection tank. This system ensures that wastewater can be effectively collected and avoids indiscriminate discharge of wastewater.

[0003] Existing water-saving recycling devices still have the following problems when in use: it is difficult to completely remove specific pollutants. Some complex organic pollutants or trace amounts of heavy metal ions may be difficult to completely remove through existing treatment processes. Long-term accumulation may have a potential impact on PCB processing equipment and product quality. In addition, there are water quality stability issues. Fluctuations in raw water quality and the growth of microorganisms in the treatment system may cause fluctuations in the quality of recycled water, affecting its stability and reliability in the PCB processing process. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] In view of the shortcomings of the prior art, this utility model provides a water-saving recycling device, which solves the problems mentioned in the background art.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a water-saving and recycling device, comprising a frame, wherein the frame is configured with a pretreatment structure and a deep treatment structure, the pretreatment structure comprising a wastewater preliminary treatment mechanism at one end of the frame, the pretreatment structure further comprising a wastewater primary treatment mechanism on one side inside the frame, the deep treatment structure comprising a wastewater secondary treatment mechanism on the other side inside and outside the frame, the deep treatment structure further comprising a storage mechanism at the other end of the frame, the wastewater preliminary treatment mechanism comprising a wastewater collection tank, a feed pump fixedly installed at the inlet of one end of the wastewater collection tank, an inlet connector provided at the front end of the feed pump, and an ozone oxidation treatment tank connected to the outlet of the wastewater collection tank via a pipe.

[0008] As a further embodiment of this utility model: the secondary wastewater treatment mechanism includes a water quality monitoring and feedback tank. The outlet of the water quality monitoring and feedback tank is connected to a reverse osmosis filter via a pipeline. The water quality monitoring and feedback tank has a built-in water quality sensor and an automatic control system. The automatic control system is equipped with a water quality early warning device. The secondary wastewater treatment mechanism also includes two second water storage tanks arranged symmetrically. The secondary wastewater treatment mechanism also includes a first diversion pump connected to the outlet of the pretreatment filter via a pipeline. The outlet of the first diversion pump is fixedly connected to a pipeline, and the pipeline is provided with a drain outlet matching the two second water storage tanks. The outlets at the bottom of the two second water storage tanks are connected to the water quality monitoring and feedback tank via pipelines.

[0009] As a further embodiment of this utility model: the primary wastewater treatment mechanism includes two first water storage tanks arranged symmetrically, the outlet of the ozone oxidation treatment tank is fixedly connected to a pipe, and the pipe is provided with a drain outlet matching the two first water storage tanks, and the outlets at the bottom of the two first water storage tanks are connected to the same pretreatment filter via pipes.

[0010] As a further improvement of this utility model: a detection outlet is provided at the other end of the wastewater collection tank, and a second diversion pump is connected to the detection outlet via a pipe.

[0011] As a further embodiment of this utility model: the outlet of the reverse osmosis filter is connected to a discharge pump via a pipe, and the storage mechanism includes a clean water collection tank and a clean water supply device connected to the outlet of the discharge pump via a pipe.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. In this utility model, by introducing advanced oxidation technology, advanced oxidation technology can be used to treat organic pollutants that are difficult to remove. An ozone oxidation treatment tank is set up to decompose complex organic matter into simple biodegradable substances, thereby improving the treatability of wastewater.

[0014] 2. In this utility model, by strengthening water quality monitoring and feedback control, a water quality monitoring feedback tank is added to monitor key parameters in the recycled water in real time, such as heavy metal content, organic matter concentration, and conductivity. Using its built-in water quality sensor and automated control system, the treatment process parameters are adjusted in a timely manner according to changes in water quality to ensure water quality stability. At the same time, its automated control system is equipped with a water quality early warning device, which takes timely measures when water quality is abnormal, such as adding treatment steps or adjusting the dosage of chemicals. Attached Figure Description

[0015] Figure 1 The overall three-dimensional structure of this utility model Figure 1 ;

[0016] Figure 2 The overall three-dimensional structure of this utility model Figure 2 ;

[0017] Figure 3 This is a three-dimensional view of the pretreatment structure of this utility model;

[0018] Figure 4 This is a three-dimensional view of the depth processing structure of this utility model.

[0019] In the diagram: 1. Frame; 2. Wastewater preliminary treatment unit; 3. Wastewater primary treatment unit; 4. Wastewater secondary treatment unit; 5. Storage unit; 6. Feed pump; 7. Discharge pump; 21. Wastewater collection tank; 22. Ozone oxidation treatment tank; 31. First water storage tank; 32. Pretreatment filter; 41. Second water storage tank; 42. Water quality monitoring and feedback tank; 43. First diversion pump; 44. Second diversion pump; 45. Reverse osmosis filter; 51. Clean water collection tank; 52. Clean water supply unit. Detailed Implementation

[0020] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0021] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship 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. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] Please see Figures 1-4In this embodiment of the utility model, a water-saving recycling device includes a frame 1. The frame 1 is equipped with a pretreatment structure and a deep treatment structure. The pretreatment structure includes a wastewater preliminary treatment mechanism 2 set at one end of the frame 1, and a wastewater primary treatment mechanism 3 on one side inside the frame 1. The deep treatment structure includes a wastewater secondary treatment mechanism 4 on the other side of both the inner and outer ends of the frame 1, and a storage mechanism 5 set at the other end of the frame 1. The wastewater preliminary treatment mechanism 2 includes a wastewater collection tank 21. A feed pump 6 is fixedly installed at the inlet of one end of the wastewater collection tank 21. The feed pump 6 has an inlet connector at its front end. An ozone oxidation treatment tank 22 is connected to the outlet of the wastewater collection tank 21 via a pipe. The whole device introduces advanced oxidation technology. For organic pollutants that are difficult to remove, advanced oxidation technology can be used. The ozone oxidation treatment tank 22 is set to decompose complex organic matter into simple biodegradable substances, thereby improving the treatability of wastewater.

[0024] The secondary wastewater treatment unit 4 includes a water quality monitoring and feedback tank 42. The outlet of the water quality monitoring and feedback tank 42 is connected to a reverse osmosis filter 45 via a pipeline. The water quality monitoring and feedback tank 42 has a built-in water quality sensor and an automated control system. The automated control system is equipped with a water quality early warning device. The secondary wastewater treatment unit 4 also includes two second water storage tanks 41 arranged symmetrically. The secondary wastewater treatment unit 4 also includes a first diversion pump 43 connected to the outlet of the pretreatment filter 32 via a pipeline. The outlet of the first diversion pump 43 is fixedly connected to a pipeline, and the pipeline is equipped with matching two second water storage tanks. The drain outlet of tank 41 and the outlets at the bottom of the two second water storage tanks 41 are connected to the water quality monitoring feedback tank 42 via pipes. The whole system strengthens water quality monitoring and feedback control by adding the water quality monitoring feedback tank 42, which monitors key parameters in the recycled water in real time, such as heavy metal content, organic matter concentration, and conductivity. Using its built-in water quality sensor and automatic control system, the system adjusts the treatment process parameters in a timely manner according to changes in water quality to ensure water quality stability. At the same time, its automatic control system is equipped with a water quality early warning device, which takes timely measures when water quality is abnormal, such as adding treatment steps or adjusting the dosage of chemicals.

[0025] The primary wastewater treatment unit 3 includes two first water storage tanks 31 arranged symmetrically. The outlet of the ozone oxidation treatment tank 22 is fixedly connected to a pipe, and the pipe is equipped with a drain outlet matching the two first water storage tanks 31. The outlets at the bottom of the two first water storage tanks 31 are connected to the same pretreatment filter 32 via pipes. The pretreatment filter 32 can remove large particulate impurities, suspended solids, and some grease. It usually adopts physical methods, such as bar filtration, sedimentation, and air flotation. Bar filtration can intercept larger solid impurities, sedimentation can make denser particles sink to the bottom of the tank under the action of gravity, and air flotation is to introduce air into the wastewater so that tiny bubbles attach to the suspended particles and make them float to the surface and be removed.

[0026] The wastewater collection tank 21 is equipped with a detection outlet at the other end. A second diversion pump 44 is connected to the detection outlet via a pipe. The second diversion pump 44 plays the role of diverting water during wastewater treatment, which can discharge wastewater for testing by testing personnel. The wastewater can be compared with the wastewater after subsequent treatment.

[0027] The outlet of the reverse osmosis filter 45 is connected to a discharge pump 7 via a pipe. The storage mechanism 5 includes a clean water collection tank 51 and a clean water supply device 52 connected to the outlet of the discharge pump 7 via a pipe. The clean water supply device 52 supplies water to each water-using link of the PCB processing production line to realize the recycling of water resources. The clean water collection tank 51 can also be used for clean water storage.

[0028] The working principle of this utility model is as follows: Wastewater from PCB processing can be collected via a wastewater collection tank 21 after being connected to an inlet connector. Advanced oxidation technology is incorporated throughout the system. For difficult-to-remove organic pollutants, advanced oxidation technology is used, including an ozone oxidation treatment tank 22, which decomposes complex organic matter into simple, biodegradable substances, improving the treatability of the wastewater. A pretreatment filter 32 removes large particulate impurities, suspended solids, and some grease. Furthermore, the system enhances water quality monitoring and feedback control by adding a water quality monitoring feedback tank 42 to monitor key parameters in the recycled water in real time, such as heavy metal content, organic matter concentration, and conductivity. Built-in water quality sensors and an automated control system adjust the treatment process parameters in a timely manner according to changes in water quality to ensure water quality stability. At the same time, the automated control system is equipped with a water quality early warning device, which takes timely measures when water quality is abnormal, such as adding treatment steps or adjusting the dosage of chemicals. Under pressure, the reverse osmosis filter 45 forces water through a semi-permeable membrane while trapping impurities such as salt, thereby achieving the purpose of desalination and removal of other small molecule pollutants. Finally, the clean water supply unit 52 supplies water to each water-using link of the PCB processing production line, realizing the recycling of water resources. Alternatively, the clean water collection tank 51 can be used for clean water storage, playing a water-saving and recycling role in PCB processing.

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A water-saving recycling device, comprising a rack (1) configured with a pretreatment structure and a deep treatment structure. characterized in that The pretreatment structure comprises a wastewater preliminary treatment mechanism (2) arranged at one end of the rack (1), and further comprises a wastewater primary treatment mechanism (3) on one side in the rack (1); the deep treatment structure comprises a wastewater secondary treatment mechanism (4) on the other side at both ends of the rack (1), and further comprises a storage mechanism (5) arranged at the other end of the rack (1). The wastewater preliminary treatment mechanism (2) comprises a wastewater collection tank (21), a feed pump (6) is fixedly installed at the water inlet of one end of the wastewater collection tank (21), a water inlet connector is arranged at the front end of the feed pump (6), and an ozone oxidation treatment tank (22) is connected to the water outlet of the wastewater collection tank (21) through a pipeline. The wastewater secondary treatment mechanism (4) comprises a water quality monitoring feedback tank (42), the water outlet of the water quality monitoring feedback tank (42) is connected to a reverse osmosis filter (45) through a pipeline, a water quality sensor and an automatic control system are built-in in the water quality monitoring feedback tank (42), and the automatic control system is configured with a water quality early warning device.

2. The water conservation and recycling device according to claim 1, characterized in that: The wastewater primary treatment mechanism (3) comprises two first water storage tanks (31) arranged in a symmetrical manner, the water outlet of the ozone oxidation treatment tank (22) is fixedly connected to a pipeline, and the pipeline is provided with water outlets matched with the two first water storage tanks (31).

3. A water conservation and recycling device according to claim 2, wherein: The water outlets at the bottoms of the two first water storage tanks (31) are connected to the same pretreatment filter (32) through pipelines.

4. The water conservation and recycling device according to claim 1, characterized in that: The wastewater collection tank (21) is provided with a detection water outlet at the other end, and the detection water outlet is connected to a second flow guide pump (44) through a pipeline.

5. The water conservation and recycling device of claim 1, wherein: The wastewater secondary treatment mechanism (4) further comprises two second water storage tanks (41) arranged in a symmetrical manner, and further comprises a first flow guide pump (43) connected to the water outlet of the pretreatment filter (32) through a pipeline.

6. A water conservation and recycling device according to claim 5, wherein: The water outlet of the first flow guide pump (43) is fixedly connected to a pipeline, and the pipeline is provided with water outlets matched with the two second water storage tanks (41), and the water outlets at the bottoms of the two second water storage tanks (41) are connected to the water quality monitoring feedback tank (42) through pipelines.

7. The water conservation and recycling device of claim 1, wherein: The water outlet of the reverse osmosis filter (45) is connected to a discharge pump (7) through a pipeline, and the storage mechanism (5) comprises a clean water collection tank (51) and a clean water supply device (52) connected to the water outlet of the discharge pump (7) through a pipeline.

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