Circuit board etching wastewater treatment device

Abstract

The utility model relates to the technical field of wastewater treatment, in particular to a circuit board etching wastewater treatment device which comprises a treatment tank, a plurality of supporting legs are fixedly mounted at the bottom of the treatment tank, and the side wall and the top of the treatment tank are fixedly communicated with a wastewater pipe and a liquid inlet pipe respectively; the sewage pump is fixedly mounted on the outer surface of the treatment tank, a sewage outlet of the sewage pump is fixedly communicated with a sewage discharge pipe, and a sewage inlet of the sewage pump and the treatment tank are jointly and fixedly communicated with a sewage suction pipe. According to the utility model, sediments can be pressed below the liftable filter plate, so that the sediments cannot be driven to float for the second time when waste liquid is discharged, the probability that the sediments are discharged along with waste water is reduced, the standard-reaching rate after the etching waste water is precipitated is improved, and meanwhile, when the filter plate moves upwards, vibration can be generated, so that the sediments can be prevented from floating for the second time. Therefore, the sediment attached to the bottom of the filter plate is prevented from adhering to the bottom of the filter plate, and the phenomenon that the standard reaching rate of the etching wastewater sediment is not enough is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field especially relates to a circuit board etching wastewater treatment device. BACKGROUND

[0002] Circuit board is important electronic component, is the support body of electronic component, is the carrier of electronic component electrical connection. Its production procedure reaches 20 ways, most procedures will produce waste liquid, and etching waste liquid is the main waste liquid in the production process of circuit board.

[0003] At present, when etching wastewater of circuit board is handled, flocculating agent needs to be put into and mixes with etching wastewater to accelerate the precipitation speed of precipitate in etching wastewater, and after the precipitation of precipitate, the upper layer wastewater is pumped out. But the existing circuit board etching wastewater treatment device, when the wastewater is discharged after the precipitation of precipitate, flowability is produced, which can cause the situation that the lower precipitate floats again, so that part of metal precipitate is discharged with wastewater, and thus the standard rate of etching wastewater after treatment is reduced. UTILITY MODEL CONTENT

[0004] The utility model discloses a circuit board etching wastewater treatment device.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A circuit board etching wastewater treatment device, comprising:

[0007] A treatment tank is fixedly installed with a plurality of supporting legs at the bottom, and the side wall and the top of the treatment tank are fixedly communicated with a wastewater pipe and a liquid inlet pipe respectively;

[0008] A sewage pump is fixedly installed on the outer surface of the treatment tank, the sewage outlet of the sewage pump is fixedly communicated with a sewage pipe, and the sewage inlet of the sewage pump and the treatment tank are fixedly communicated with a sewage pump together.

[0009] A lifting type drainage assembly comprises a liquid discharge pipe fixedly penetrating the top of the treatment tank, one end of the liquid discharge pipe extending into the treatment tank is fixedly communicated with a hose, the outer wall of one end of the hose away from the liquid discharge pipe is fixedly connected with a filter plate, the filter plate is movably attached to the inner surface of the treatment tank, and the top of the treatment tank is fixedly installed with an electric push rod for driving the filter plate to lift.

[0010] A vibration assembly is used for shaking off the adherents on the bottom of the filter plate.

[0011] Preferably, the vibration assembly comprises a screw rod fixedly installed on the inner top of the treatment tank, the surface of the screw rod is sleeved with a nut, the nut is clamped through the filter plate, the surface of the nut is fixedly installed with a plurality of elastic plates, the top of the filter plate is fixedly installed with a plurality of protrusions, and the plurality of protrusions are arranged in a circumferential array with the nut as the axis.

[0012] Preferably, the inner bottom of the treatment tank is rotationally installed with a rotating shaft, the outer wall of the rotating shaft is fixedly installed with a plurality of stirring plates, the stirring plates are movably attached to the inner bottom of the treatment tank, and the bottom of the treatment tank is fixedly installed with a motor for driving the rotating shaft.

[0013] Preferably, the surface of the filter plate is fixedly installed with a shielding plate, and the shielding plate is movably attached to the inner surface of the treatment tank and used for shielding the end of the wastewater pipe.

[0014] Preferably, the surface of the nut is provided with an annular notch, and the annular notch is in sliding connection with the filter plate.

[0015] Compared with the prior art, the circuit board etching wastewater treatment device has the following advantages:

[0016] 1. The filter plate is pushed downward by the electric push rod, and under the interception and filtration of the filter plate, the precipitate is also pushed to the bottom of the treatment tank, so that solid-liquid separation is realized. At the same time, the external water pump is started, so that the treated wastewater in the treatment tank can be completely pumped out through the hose. In this process, since the precipitate is pressed by the filter plate, the precipitate will not be brought to float again when the wastewater is discharged, so that the probability of the precipitate being discharged with the wastewater is reduced, and the standard rate of the precipitate after etching wastewater is improved.

[0017] 2. When the filter plate moves upward, the nut can be driven to move upward along the screw rod, so that each elastic plate moves in a circular motion and intermittently collides with the protrusion, so that the vibration of the filter plate is realized, so that the precipitate adhered to the bottom of the filter plate can be shaken off when the filter plate moves upward, so as to prevent the precipitate from adhering to the bottom of the filter plate and causing the standard rate of the etching wastewater precipitate to be insufficient.

[0018] In summary, the filter plate can press the precipitate below, so that the precipitate will not be brought to float again when the wastewater is discharged, so that the probability of the precipitate being discharged with the wastewater is reduced, and the standard rate of the precipitate after etching wastewater is improved. At the same time, when the filter plate moves upward, the filter plate can vibrate to shake off the precipitate adhered to the bottom of the filter plate, so as to prevent the precipitate from adhering to the bottom of the filter plate and causing the standard rate of the etching wastewater precipitate to be insufficient. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 The utility model provides a kind of circuit board etching wastewater treatment device's cross-sectional structure schematic view for the utility model;

[0020] Fig. 2 A structural schematic view of a circuit board etching wastewater treatment device is provided in the utility model.

[0021] Fig. 3 A partial structural schematic view of a vibrating assembly in a circuit board etching wastewater treatment device is provided in the utility model.

[0022] Fig. 4 A structural schematic view of a connection between a lead screw, a nut and an elastic plate in a circuit board etching wastewater treatment device is provided in the utility model.

[0023] In the figure: 1 treatment tank, 2 support leg, 3 wastewater pipe, 4 liquid inlet pipe, 5 sewage pump, 6 sewage discharge pipe, 7 liquid discharge pipe, 8 hose, 9 electric push rod, 10 filter plate, 11 lead screw, 12 nut, 13 elastic plate, 14 protruding block, 15 shielding plate, 16 motor, 17 stirring plate, 18 annular notch. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] Reference Figs. 1 to 4 A circuit board etching wastewater treatment device comprises:

[0026] The treatment tank 1 is fixedly installed with a plurality of support legs 2 at the bottom, and the side wall and the top of the treatment tank 1 are fixedly communicated with a wastewater pipe 3 and a liquid inlet pipe 4 respectively. A rotating shaft is rotatably installed at the inner bottom of the treatment tank 1, and a plurality of stirring plates 17 are fixedly installed on the outer wall of the rotating shaft and movably attached to the inner bottom of the treatment tank 1. A motor 16 for driving the rotating shaft is fixedly installed at the bottom of the treatment tank 1. During treatment, the circuit board etching wastewater is flowed into the treatment tank 1 through the wastewater pipe 3, and the flocculating agent is then poured into the treatment tank 1 through the liquid inlet pipe 4. The motor 16 is then started to control the circumferential movement of each stirring plate 17, so that the flocculating agent and the etching wastewater can be fully mixed, thereby improving the mixing efficiency of the flocculating agent and the etching wastewater.

[0027] The sewage pump 5 is fixedly installed on the outer surface of the treatment tank 1. The sewage discharge port of the sewage pump 5 is fixedly communicated with a sewage discharge pipe 6, and the sewage inlet of the sewage pump 5 and the treatment tank 1 are jointly fixedly communicated with a sewage suction pipe. After the upper layer of clear water in the treatment tank 1 is pumped out, the sewage pump 5 can pump out the sediment in the treatment tank 1 through the sewage suction pipe and the sewage discharge pipe 6, and the subsequent treatment can be carried out through an external device.

[0028] The lifting type drainage assembly comprises a drainage pipe 7 fixedly penetrating the top of the treatment tank 1, the drainage pipe 7 is connected with an external water pump, one end of the drainage pipe 7 extending into the treatment tank 1 is fixedly connected with a hose 8, the outer wall of the other end of the hose 8 away from the drainage pipe 7 is fixedly connected with a filter plate 10, and the filter plate 10 is movably attached to the inner surface of the treatment tank 1, and the top of the treatment tank 1 is fixedly installed with an electric push rod 9 for driving the filter plate 10 to lift, after the flocculating agent is fully mixed with the etching wastewater, the electric push rod 9 is started to push the filter plate 10 to move downwards, under the interception and filtration of the filter plate 10, the precipitate will also be pushed to the bottom of the treatment tank 1, and the waste liquid is above the filter plate 10, so as to realize the solid-liquid separation, at the same time, the other end of the hose 8 away from the drainage pipe 7 will also move synchronously, and at the same time, the external water pump is started, so that the waste liquid in the treatment tank 1 after the etching wastewater is treated can be completely pumped out through the hose 8, and finally the pumped-out waste liquid is transported to an external treatment device for further treatment, in the process, since the precipitate is pressed by the filter plate 10, the waste liquid will not carry the precipitate to float again when being discharged, so as to reduce the probability of the precipitate being discharged with the waste water and improve the qualified rate of the precipitate after the etching wastewater is precipitated.

[0029] The vibration assembly is used for vibrating the adhering objects at the bottom of the filter plate 10, the vibration assembly comprises a lead screw 11 fixedly installed at the top of the treatment tank 1, a nut 12 is threadedly sleeved on the surface of the lead screw 11, and the nut 12 is clamped and penetrated on the filter plate 10, an annular notch 18 is formed in the surface of the nut 12, and the annular notch 18 is slidably connected with the filter plate 10, through the clamping of the annular notch 18 and the filter plate 10, the nut 12 can move up and down synchronously with the filter plate 10.

[0030] A plurality of elastic plates 13 are fixedly installed on the surface of the nut 12, a plurality of protrusions 14 are fixedly installed on the top of the filter plate 10, and the plurality of protrusions 14 are circumferentially arranged with the nut 12 as the axis, after the waste liquid is pumped out, the electric push rod 9 is controlled to drive the filter plate 10 to move upwards, and when the filter plate 10 moves upwards, the nut 12 can be driven to move upwards along the lead screw 11 spirally, so that each elastic plate 13 moves circumferentially and intermittently collides with the protrusion 14, so as to realize the vibration of the filter plate 10, so that the precipitate adhering to the bottom of the filter plate 10 can be vibrated off when the filter plate 10 moves upwards, to prevent the precipitate from adhering to the bottom of the filter plate 10, so as to reduce the qualified rate of the precipitate of the etching wastewater, and the filter plate 10 can also be prevented from being blocked.

[0031] Further, a shielding plate 15 is fixedly installed on the surface of the filter plate 10 and movably attached to the inner surface of the treatment tank 1 and used for shielding the end of the wastewater pipe 3, when the filter plate 10 moves downwards to the specified position, the wastewater pipe 3 can be shielded by the shielding plate 15, so as to avoid the wastewater from continuously entering into the treatment tank 1.

[0032] Further, the fixed connection above, unless otherwise specifically provided and limited, should be broadly understood, for example, can be welding, or gluing, or integrally formed with the usual means well known to those skilled in the art.

[0033] The above description is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A circuit board etching wastewater treatment apparatus characterized by comprising: Include; The processing tank (1), the bottom of the processing tank (1) is fixedly installed with a plurality of legs (2), and the side wall and the top of the processing tank (1) are respectively fixedly communicated with a wastewater pipe (3) and a liquid inlet pipe (4); The sewage pump (5) is fixedly installed on the outer surface of the processing tank (1), the sewage outlet of the sewage pump (5) is fixedly communicated with a sewage pipe (6), and the sewage inlet of the sewage pump (5) and the processing tank (1) are fixedly communicated with a sewage pump. The lifting type drainage assembly includes a liquid discharge pipe (7) fixedly penetrating the top of the processing tank (1), one end of the liquid discharge pipe (7) extending into the processing tank (1) is fixedly communicated with a hose (8), the outer wall of the end of the hose (8) away from the liquid discharge pipe (7) is fixedly connected with a filter plate (10), and the filter plate (10) is movably attached to the inner surface of the processing tank (1), the top of the processing tank (1) is fixedly installed with an electric push rod (9) for driving the filter plate (10) to ascend and descend; The vibration assembly is used for vibrating the attachments on the bottom of the filter plate (10).

2. The circuit board etching wastewater treatment apparatus according to claim 1, wherein The vibration assembly includes a lead screw (11) fixedly installed on the inner top of the processing tank (1), the surface of the lead screw (11) is threaded with a nut (12), and the nut (12) is clamped and penetrated on the filter plate (10), the surface of the nut (12) is fixedly installed with a plurality of elastic plates (13), the top of the filter plate (10) is fixedly installed with a plurality of protrusions (14), and the plurality of protrusions (14) are arranged in a circular array with the nut (12) as the axis.

3. The circuit board etching wastewater treatment apparatus according to claim 1, wherein The inner bottom of the processing tank (1) is rotatably installed with a rotating shaft, the outer wall of the rotating shaft is fixedly installed with a plurality of stirring plates (17), and the stirring plates (17) are movably attached to the inner bottom of the processing tank (1), the bottom of the processing tank (1) is fixedly installed with a motor (16) for driving the rotating shaft.

4. The circuit board etching wastewater treatment apparatus according to claim 1, wherein The surface of the filter plate (10) is fixedly installed with a baffle (15), and the baffle (15) is movably attached to the inner surface of the processing tank (1) and used for shielding the end of the wastewater pipe (3).

5. The circuit board etching wastewater treatment apparatus according to claim 2, wherein The surface of the nut (12) is provided with an annular notch (18), and the annular notch (18) is slidably connected with the filter plate (10).

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