PCB cleaning water recycling equipment

By designing a PCB cleaning water reuse system, wastewater from different production lines is stored and treated separately, solving the chemical reaction problem caused by wastewater mixing, improving the reuse rate of filtered water and the yield of PCBs, and saving water costs.

CN223668732UActive Publication Date: 2025-12-16DONGGUAN KAICHI ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520034490.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2025-12-16
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

In existing technologies, chemical reactions can easily occur when different cleaning wastewaters from PCB production lines are mixed, which can damage PCB boards when the filtered water is reused, affecting the yield and resulting in poor filtration.

Method used

Design a PCB cleaning water recycling device. Through a water collection component, a filtration device, and a self-cleaning device, wastewater from different production lines is stored and treated separately. A three-way ball valve and a self-cleaning device are used to control the flow of wastewater and filtered water respectively to avoid mixing. The self-cleaning device cleans internal impurities and improves the recycling rate of filtered water.

Benefits of technology

This allows for the separate storage of different types of wastewater, avoiding chemical reactions, increasing the reuse rate of filtered water, improving the yield of PCBs, and saving water costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223668732U_ABST
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Abstract

The utility model discloses PCB (printed circuit board) cleaning water recycling equipment which comprises a first filtering device, a water collecting component, a water draining component and a self-cleaning device, the water collecting component comprises a water collecting pipe and a plurality of water collecting grooves, a water collecting main pipe comprises a water collecting main pipe and a plurality of water collecting branch pipes, and the water collecting main pipe is connected with the water collecting branch pipes through a plurality of first three-way ball valves; a water inlet and a water outlet are formed in the first filtering device, the drainage component comprises a drainage pipe, the drainage pipe comprises a drainage main pipe and a plurality of drainage branch pipes, and the drainage main pipe is connected with the drainage branch pipes through a plurality of three-way ball valves II. A manufacturer can improve the proportion of filtered water in the cleaning water, the water cost is saved, and the PCB yield is increased.
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Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater recovery technical field, concretely is a kind of PCB cleaning water recycling equipment. BACKGROUND

[0002] Most of the market PCB production line is to discharge the cleaning wastewater of multiple production lines into a storage pool, then the water in the storage pool is filtered, and finally the filtered water is used for cleaning circuit board, since the impurities cleaned out of PCB on different production lines are different, harmful chemical reaction often occurs when multiple wastewater is mixed in the storage pool, the reacted substance is difficult to remove by filtration, and the treatment effect is poor, which may cause damage to PCB board when filtered water is reused and used for cleaning circuit board, affecting PCB yield, therefore, when configuring cleaning water, manufacturers will reduce the proportion of filtered water, therefore, we provide a kind of PCB cleaning water recycling equipment to solve the above problems. SUMMARY

[0003] The utility model aims at providing a kind of PCB cleaning water recycling equipment to solve the problems raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of PCB cleaning water recycling equipment, comprising: filter device one, water collecting component, drainage component and self-cleaning device, water collecting component includes water collecting water pipe and several water collecting tanks, water collecting tank is set in the immersion washing equipment of PCB production line side, water collecting main pipe includes water collecting main pipe and several water collecting branch pipes, water collecting branch pipe is connected with water collecting tank and water collecting main pipe, water collecting main pipe is connected with water collecting branch pipe by several three-way ball valves one, filter device one is provided with water inlet and water outlet, water collecting main pipe is connected with water inlet, drainage component includes drainage water pipe, drainage water pipe includes drainage main pipe and several drainage branch pipes, drainage main pipe is connected with water outlet, drainage main pipe is connected with drainage branch pipe by several three-way ball valves two, the water outlet end of self-cleaning device is connected with water collecting main pipe, and the water inlet end of self-cleaning device is connected with drainage main pipe.

[0005] As preferred, self-cleaning device includes water pump, flowmeter and filter device two, the inlet of water pump is connected with water source, the outlet of water pump is connected with the end of water collecting main pipe away from water inlet, flowmeter is installed on drainage main pipe, filter device two is connected with the end of drainage main pipe away from water outlet.

[0006] As preferred, water collecting main pipe and drainage main pipe are both provided with anti-backflow structure.

[0007] As preferred, anti-backflow structure includes water inlet section, anti-backflow section and water outlet section, anti-backflow section is arranged between water inlet section and water outlet section, check valve is arranged in anti-backflow section.

[0008] Preferably, a booster pump is arranged between the water inlet section and the backflow prevention section.

[0009] Preferably, the inlet of the water collecting branch pipe is arranged in the middle of the bottom surface of the water collecting tank, and the bottom surface of the water collecting tank is inclined towards the inlet of the water collecting branch pipe.

[0010] Preferably, a water level sensor is arranged in the water collecting tank.

[0011] Preferably, an electromagnetic valve is arranged at the inlet of the water collecting branch pipe, and the electromagnetic valve is electrically connected with the water level sensor.

[0012] Compared with the prior art, the present application has the advantages of:

[0013] The present application stores the wastewater from different PCB production lines separately, avoids mixing of different wastewater, improves the treatment effect, enables the manufacturer to increase the proportion of filtered water in the cleaning water, saves the water cost, and increases the PCB yield. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Fig. 1 is a structural schematic view of the present application;

[0015] Figure 2 Fig. 2 is a structural schematic view of the water collecting component in the present application;

[0016] Figure 3 Fig. 3 is a structural schematic view of the water draining component in the present application;

[0017] Figure 4 Fig. 4 is a structural schematic view of the water collecting tank in the present application;

[0018] In the drawings: 1. filtering device one, 2. water collecting component, 3. water draining component, 4. self-cleaning device, 5. backflow prevention structure, 11. water inlet, 12. water outlet, 21. water collecting tank, 22. water collecting main pipe, 23. water collecting branch pipe, 24. three-way ball valve one, 25. electromagnetic valve, 26. water level sensor, 31. water draining main pipe, 32. water draining branch pipe, 33. three-way ball valve two, 41. water pump, 42. flow meter, 51. water inlet section, 52. backflow prevention section, 53. water outlet section, 54. check valve, 55. booster pump. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Please refer toFigures 1-4 The utility model provides a kind of PCB cleaning water recycling equipment technical scheme: a kind of PCB cleaning water recycling equipment, comprising: filtering device one 1, water collecting component 2, drainage component 3 and self-cleaning device 4, water collecting component 2 includes water collecting pipe and several water collecting tanks 21, water collecting tank 21 is arranged in the immersion washing equipment side of PCB production line, immersion washing equipment is drained into water collecting tank 21, water collecting main pipe 22 includes water collecting main pipe 22 and several water collecting branch pipes 23, water collecting branch pipe 23 is connected with water collecting main pipe 22 with water collecting tank 21, water collecting main pipe 22 is connected with water collecting branch pipe 23 by several three-way ball valves one 24, only one three-way ball valve one 24 can be in the open state of connecting water collecting main pipe 22 and water collecting branch pipe 23 within the same time, and the rest three-way ball valve one 24 is in the closed state of blocking water collecting branch pipe 23, three-way ball valve one 24 is opened and waste water is drained into water collecting main pipe 22, filtering device one 1 is provided with water inlet 11 and water outlet 12, water collecting main pipe 22 is connected with water inlet 11, waste water enters filtering device one 1 from water collecting main pipe 22, filtering device one 1 filters waste water, drainage component 3 includes drainage water pipe, drainage water pipe includes drainage main pipe 31 and several drainage branch pipes 32, drainage main pipe 31 is connected with water outlet 12, drainage main pipe 31 is connected with drainage branch pipe 32 by several three-way ball valves two 33, only one three-way ball valve two 33 can be in the open state of connecting drainage main pipe 31 and drainage branch pipe 32 within the same time, and the rest three-way ball valve two 33 is in the closed state of blocking drainage branch pipe 32, drainage branch pipe 32 is docked with the immersion washing equipment of PCB production line, the water outlet end of self-cleaning device 4 is connected with water collecting main pipe 22, self-cleaning device 4 supplies water to water collecting main pipe 22, water flow passes through water collecting main pipe 22, filtering device one 1 and drainage main pipe 31, and the inside of water collecting main pipe 22, filtering device one 1 and drainage main pipe 31 is cleaned, the water inlet end of self-cleaning device 4 is connected with drainage main pipe 31, and the water flow after cleaning returns to self-cleaning device 4 from drainage main pipe 31;

[0021] When working, three-way ball valve one 24 is opened and waste water is drained to filtering device one 1, filtering device one 1 filters waste water, and filtering water is drained into drainage main pipe 31 after filtering, and three-way ball valve two 33 is opened to make filtering water drain back to original immersion washing equipment, waste water of different PCB production lines is stored separately, to avoid different waste water from contacting and mixing to react chemically, improve processing effect and recycling rate, when filtering device one 1 completes once filtering, all three-way ball valve one 24 blocks water collecting branch pipe 23, and self-cleaning device 4 starts to supply water to clean water collecting main pipe 22, filtering device one 1 and drainage main pipe 31, to reduce impurities remaining in water collecting main pipe 22, filtering device one 1 and drainage main pipe 31, further improve processing effect, so that manufacturers can improve the proportion of filtering water in cleaning water, save water cost, and increase PCB yield.

[0022] In the embodiment, the self-cleaning device 4 comprises a water pump 41, a flow meter 42 and a second filtering device, the inlet of the water pump 41 is connected with a water source, the outlet of the water pump 41 is connected with one end of the water collecting main pipe 22 far from the water inlet 11, the water pump 41 supplies water to the water collecting main pipe 22, the flow meter 42 is installed on the water draining main pipe 31, the flow meter 42 detects the filtered water and the cleaning water, the manufacturer can set the water flow required to be reused, when the filtered water flow cannot reach the set value, part of the cleaning water can be drained into the water draining branch pipe 32 to supplement the filtered water for reuse, thereby further saving the water cost, the second filtering device is connected with one end of the water draining main pipe 31 far from the water outlet 12, and the second filtering device filters the remaining cleaning water.

[0023] In the embodiment, the water collecting main pipe 22 and the water draining main pipe 31 are both provided with an anti-backflow mechanism 5, the anti-backflow mechanism 5 comprises a water inlet section 51, an anti-backflow section 52 and a water outlet section 53, the anti-backflow section 52 is arranged between the water inlet section 51 and the water outlet section 53, and a check valve 54 is arranged in the anti-backflow section 52, the check valve 54 avoids backflow of water.

[0024] In the embodiment, a booster pump 55 is arranged between the water inlet section 51 and the anti-backflow section 52, the booster pump 55 increases the kinetic energy of water flow, thereby avoiding the water flow from failing to pass through the check valve 54.

[0025] In the embodiment, the inlet of the water collecting branch pipe 23 is arranged in the middle of the bottom surface of the water collecting tank 21, and the bottom surface of the water collecting tank 21 is inclined towards the inlet of the water collecting branch pipe 23, thereby facilitating collection and drainage of waste water.

[0026] In the embodiment, a water level sensor 26 is arranged in the water collecting tank 21, the water level sensor 26 can detect water level information in the water collecting tank 21, an electromagnetic valve 25 is arranged at the inlet of the water collecting branch pipe 23, the electromagnetic valve 25 is electrically connected with the water level sensor 26, when the water level sensor 26 detects that the water level in the water collecting tank 21 reaches a set value and the three-way ball valve one 24 is in a closed state, the electromagnetic valve 25 and the three-way ball valve one 24 connected therewith are opened, thereby draining the waste water into the water collecting main pipe 22.

[0027] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A PCB cleaning water re-use apparatus comprising: The filter device (1), the water collecting component (2), the water draining component (3) and the self-cleaning device (4) are characterized in that the water collecting component (2) comprises a water collecting pipe and a plurality of water collecting tanks (21), the water collecting tanks (21) are arranged beside the immersion washing equipment of the PCB production line, the water collecting main pipe (22) comprises a water collecting main pipe (22) and a plurality of water collecting branch pipes (23), the water collecting branch pipes (23) connect the water collecting tanks (21) and the water collecting main pipe (22), the water collecting main pipe (22) is connected with the water collecting branch pipes (23) through a plurality of three-way ball valves (24), the filter device (1) is provided with a water inlet (11) and a water outlet (12), the water collecting main pipe (22) is connected with the water inlet (11), the water draining component (3) comprises a water draining pipe, the water draining pipe comprises a water draining main pipe (31) and a plurality of water draining branch pipes (32), the water draining main pipe (31) is connected with the water outlet (12), the water draining main pipe (31) is connected with the water draining branch pipes (32) through a plurality of three-way ball valves (33), the water outlet end of the self-cleaning device (4) is connected with the water collecting main pipe (22), and the water inlet end of the self-cleaning device (4) is connected with the water draining main pipe (31).

2. The PCB cleaning water recycling apparatus according to claim 1, wherein The self-cleaning device (4) comprises a water pump (41), a flow meter (42) and a filter device (2), the inlet of the water pump (41) is connected with a water source, the outlet of the water pump (41) is connected with one end of the water collecting main pipe (22) away from the water inlet (11), the flow meter (42) is installed on the water draining main pipe (31), and the filter device (2) is connected with one end of the water draining main pipe (31) away from the water outlet (12).

3. The PCB cleaning water recycling apparatus according to claim 2, wherein The water collecting main pipe (22) and the water draining main pipe (31) are both provided with an anti-backflow structure (5).

4. The PCB cleaning water recycling apparatus according to claim 3, wherein The anti-backflow structure (5) comprises a water inlet section (51), an anti-backflow section (52) and a water outlet section (53), the anti-backflow section (52) is arranged between the water inlet section (51) and the water outlet section (53), and a check valve (54) is arranged in the anti-backflow section (52).

5. The PCB cleaning water recycling apparatus according to claim 4, wherein A booster pump (55) is arranged between the water inlet section (51) and the anti-backflow section (52).

6. The PCB cleaning water recycling apparatus according to claim 2, wherein The inlet of the water collecting branch pipe (23) is arranged in the middle of the bottom surface of the water collecting tank (21), and the bottom surface of the water collecting tank (21) is inclined towards the inlet of the water collecting branch pipe (23).

7. The PCB cleaning water recycling apparatus according to claim 6, wherein A water level sensor (26) is arranged in the water collecting tank (21).

8. The PCB cleaning water recycling apparatus according to claim 7, wherein An electromagnetic valve (25) is arranged at the inlet of the water collecting branch pipe (23), and the electromagnetic valve (25) is electrically connected with the water level sensor (26).