CN116199289A

CN116199289A - Circuit board cleaning wastewater recycling treatment system

Info

Publication number: CN116199289A
Application number: CN202310356321.4A
Authority: CN
Inventors: 覃雄健; 熊波勇; 陈夕建
Original assignee: Huizhou Taisheng Electronics Co ltd
Current assignee: Huizhou Taisheng Electronics Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-06-02
Anticipated expiration: 2043-04-06
Also published as: CN116199289B

Abstract

The invention relates to a circuit board cleaning wastewater recycling treatment system, and belongs to the technical field of wastewater recycling. Comprises a reaction tank and a sedimentation tank; the bottom plate is fixedly connected to the bottom of the outer wall of one side of the sedimentation tank, and the bottom is attached to the ground; the rotating column is rotationally connected to the top of the bottom plate; the first driving mechanism is arranged at the top of the bottom plate and used for driving the rotating column to rotate back and forth. According to the invention, the servo motor is started to drive the rotary column to rotate, so that the positions of the reaction tank and the water pumping mechanism can be changed, and wastewater after coagulation reaction in the reaction tank can be placed in the sedimentation tank for sedimentation; the operation can be repeatedly performed, so that the working efficiency can be improved, the height of each pumping can be adjusted by setting the height of the suspension block downwards, the sedimentation tank is not required to be cleaned each time, the quality of the pumped water can be controlled, and the extraction of sediment is reduced; meanwhile, the equipment is reasonable in layout, simple to operate and flexible and convenient to use.

Description

Circuit board cleaning wastewater recycling treatment system

Technical Field

The invention belongs to the technical field of wastewater recovery, and relates to a circuit board cleaning wastewater recycling treatment system.

Background

After the electronic product is welded, soldering flux residues and other types of pollutants always exist on the surface of the circuit board, and cleaning has extremely important roles in ensuring the reliability, electrical indexes, service life and the like of the electronic product. The current common cleaning process comprises water-based cleaning, semi-water-based cleaning and solvent cleaning. The water-based cleaning process uses water as a cleaning medium, a small amount of chemical substances such as surfactant, washing auxiliary agent, corrosion inhibitor and the like are added into the water, and the cleaning process flow comprises three working procedures of cleaning, rinsing and drying. The cleaning wastewater is generated in the cleaning and rinsing processes.

At present, coagulant is added into a coagulating sedimentation tank to react for 1-2 hours, then the coagulating sedimentation tank is used for sedimentation for about 1 hour, the precipitated wastewater is filtered through a micro flocculation process, flocculant is added in the process to directly utilize a quartz sand filter to filter, an ultrafiltration device is used for further filtration, and finally a Reverse Osmosis (RO) device is used for final filtration, so that the recycling treatment of the cleaning wastewater is realized. However, in the process of carrying out preliminary coagulation on the cleaning wastewater, the welding residues in the wastewater are subjected to preliminary filtration firstly, and then the coagulation sedimentation process is carried out, but the traditional filter screen is generally in a static filtration mode, so that the filtering effect is poor, and meanwhile, the filter screen cannot be automatically cleaned in the filtration process, so that the filter screen is easy to be blocked; in addition, after the wastewater is subjected to precipitation treatment, a water suction pump is directly adopted for extraction in the prior art, but after the pipeline is extended to be too deep in the water, the water can generate larger flow in the extraction process, and the internal precipitate is easily stirred again to influence the quality of the extracted water, so that a circuit board cleaning wastewater recycling treatment system is provided for solving the problems.

Disclosure of Invention

In view of the above, the invention aims to solve the problems that the traditional filter screen generally adopts a static filtering mode, the filtering effect is poor, and the filter screen cannot be automatically cleaned in the filtering process, so that the filter screen is easy to be blocked; in addition, after carrying out sedimentation treatment to waste water, the tradition is all directly adopted the suction pump to carry out the extraction, but after the pipeline extends to the aquatic too dark, at the extraction in-process, the water can produce great flow, stirs the problem of water quality is taken out to the inside precipitate again easily, provides a circuit board washing waste water recycling processing system.

In order to achieve the above purpose, the present invention provides the following technical solutions: comprising the following steps:

a reaction tank and a sedimentation tank;

the bottom plate is fixedly connected to the bottom of the outer wall of one side of the sedimentation tank, and the bottom is attached to the ground;

the rotating column is rotationally connected to the top of the bottom plate;

the first driving mechanism is arranged at the top of the bottom plate and used for driving the rotating column to rotate back and forth;

the mounting plate is fixedly sleeved on the outer wall of the rotating column, and the reaction tank is fixedly penetrated through the top of the mounting plate;

the liquid outlet pipe is arranged at the bottom of the reaction tank and is used for discharging, and a control valve is arranged on the liquid outlet pipe;

the filtering mechanism is arranged at the top opening of the reaction tank and is used for primarily filtering the wastewater;

the feeding pipe is arranged at the top of one side of the reaction tank and is used for adding coagulant;

the cleaning mechanism is rotationally connected to the top end of the rotating column and used for cleaning filter residues on the filtering mechanism to prevent blockage;

the lifting plate is sleeved on the outer wall of the rotating column in a sliding manner;

the second driving mechanism is arranged on the outer wall of the rotating column and used for driving the lifting plate to move up and down;

and the water pumping mechanism is arranged on the lifting plate and is used for pumping the wastewater precipitated in the sedimentation tank to the next treatment process.

Further, the first driving mechanism comprises a servo motor fixedly connected to the top of the bottom plate, a pinion is fixedly sleeved on an output shaft of the servo motor, and a large gear meshed with the pinion is fixedly sleeved on the outer wall of the rotating column.

Further, the lateral wall fixedly connected with of one side of sedimentation tank is located the diaphragm of bottom plate top, and the top of rotation post and diaphragm runs through and rotates to be connected.

Further, filtering mechanism includes the go-between with retort jar mouth size looks adaptation, and the outer wall of go-between is annular equidistance and is equipped with a plurality of locating pieces, and the inside fixedly connected with protruding filter screen of go-between, annular filter residue collecting vat has been seted up at the top of go-between.

Further, the top of retort rotates and is connected with the swivel becket, and a plurality of draw-in grooves have been seted up to the top of swivel becket in the annular, and the bottom of a plurality of locating pieces is equal fixedly connected with and draw-in groove grafting complex draw-in bar, the bottom fixedly connected with external tooth ring of swivel becket, and top one side fixedly connected with driving motor of mounting panel, fixed cover is equipped with the drive gear with external tooth ring engaged with on driving motor's the output shaft.

Further, the bottom fixedly connected with (mixing) shaft of protruding filter screen, the outer wall of (mixing) shaft is equipped with a plurality of stirring leaf.

Further, clean the fixed block of mechanism at the pivoted post top including fixed connection, one side of fixed block runs through there is the bolt, and the outer wall cover of bolt is equipped with the lantern ring, and the outer wall thread bush of bolt is equipped with the lock nut that is used for the lock lantern ring, the outer wall fixedly connected with L type connecting rod of lantern ring, the trapezoidal piece that the other end fixedly connected with of L type connecting rod used with the cooperation of filter residue collecting vat, the outer wall of trapezoidal piece is equipped with the foam-rubber cushion of laminating with the extrusion of filter residue collecting vat.

Further, one side fixedly connected with arc pole of trapezoidal piece, and the radian of arc pole and the cambered surface looks adaptation of protruding filter screen, the bottom of arc pole is equipped with a plurality of soft brushes side by side, and the clean end of soft brush contacts with the top surface of protruding filter screen.

Further, the second driving mechanism comprises two fixing plates fixedly sleeved on the outer wall of the rotating column, the same screw rod is connected between the two fixing plates in a rotating mode, a screw rod motor is fixedly connected to the top of the fixing plate above, an output shaft of the screw rod motor penetrates through the bottom of the corresponding fixing plate and is fixedly connected with the top end of the screw rod, and a lifting plate is sleeved on the screw rod in a threaded mode.

Further, the water pumping mechanism comprises a water pumping pump fixedly connected to the top of the lifting plate and two sliding rods penetrating through the top of the lifting plate in a sliding manner, the bottom ends of the two sliding rods are fixedly connected with a counterweight ring, the outer wall of the counterweight ring is wrapped with a suspension block, a water pumping hard pipe is fixedly penetrated through the center position of the suspension block, the bottom end of the water pumping hard pipe extends to 1-2cm below the bottom of the suspension block, the top end of the water pumping hard pipe penetrates through the top of the lifting plate and is fixedly connected with a water pumping hose, the other end of the water pumping hose is connected with the water inlet end of the water pumping pump, the water outlet end of the water pumping pump is connected with a water outlet hose, the water outlet hose is connected with a next treatment procedure, a nut ring is sleeved on the outer wall of the sliding rod in a threaded manner, and a scale value matched with the nut ring is arranged on the outer wall of the sliding rod.

The invention has the beneficial effects that:

1. according to the circuit board cleaning wastewater recycling treatment system disclosed by the invention, the cleaning wastewater of the circuit board is input into the reaction tank and filtered through the convex filter screen, meanwhile, the driving motor is started, and the rotating ring is driven to rotate through the meshing motion of the transmission gear and the outer toothed ring, so that the connecting ring can be driven to rotate, and the convex filter screen is driven to rotate; coagulant is added from the feeding pipe, and the stirring blade is driven to rotate by the stirring shaft while the convex filter screen rotates, so that the wastewater is stirred, and the reaction efficiency is improved;

2. according to the circuit board cleaning wastewater recycling treatment system disclosed by the invention, the trapezoid blocks are placed in the filter residue collecting tank, and in the rotating process of the connecting ring, the filter residues in the tank can be pushed through extrusion lamination of the sponge cushion and the filter residue collecting tank, so that the effect of automatic concentrated accumulation of the filter residues is realized, and the later cleaning is facilitated; meanwhile, the small filter residues attached to the surface of the convex filter screen are automatically cleaned through the soft brush, so that the convex filter screen is effectively prevented from being blocked, long-time use can be realized, and the trouble of short-term cleaning is avoided;

3. according to the circuit board cleaning wastewater recycling treatment system disclosed by the invention, the height of the suspension block can be adjusted by starting the lead screw motor to adjust the height of the lifting plate, when the wastewater suspended in the sedimentation tank floats, the precipitated wastewater enters the water pumping hose through the water pumping hard pipe by starting the water pumping pump, and then flows out of the water outlet hose; at the moment, the suspension block descends synchronously along with the water level under the action of the gravity of the counterweight ring, the sliding rod drives the nut ring to descend simultaneously, the descending height of the suspension block is controlled by adjusting the height of the nut ring, and the height setting adjustment is carried out by matching with the scale value, so that the height of the rest water level in the sedimentation tank can be reserved, and excessive extraction is prevented;

4. according to the circuit board cleaning wastewater recycling treatment system disclosed by the invention, the clamping rods are matched with the clamping grooves, so that the filtering mechanism can be positioned and placed, the whole filtering mechanism can be driven to rotate by starting the driving motor, and the filtering mechanism is convenient to replace and maintain in the later period by disassembling the filtering mechanism.

According to the invention, the servo motor is started to drive the rotary column to rotate, so that the positions of the reaction tank and the water pumping mechanism can be changed, and wastewater after coagulation reaction in the reaction tank can be placed in the sedimentation tank for sedimentation; the operation can be repeatedly performed, so that the working efficiency can be improved, the height of each pumping can be adjusted by setting the height of the suspension block downwards, the sedimentation tank is not required to be cleaned each time, the quality of the pumped water can be controlled, and the extraction of sediment is reduced; meanwhile, the equipment is reasonable in layout, simple to operate and flexible and convenient to use.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.

Drawings

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in the following preferred detail with reference to the accompanying drawings, in which:

FIG. 1 is a front view of the overall structure of a circuit board cleaning wastewater recycling treatment system of the invention;

FIG. 2 is a perspective view of the whole structure of a circuit board cleaning wastewater recycling treatment system;

FIG. 3 is a front cross-sectional view of the overall structure of a circuit board cleaning wastewater recycling treatment system of the present invention;

FIG. 4 is a schematic diagram of a circuit board cleaning wastewater recycling treatment system of the present invention, illustrating a partial structure of FIG. 3;

FIG. 5 is a partial sectional view of the circuit board cleaning wastewater reuse treatment system of FIG. 3 according to the present invention;

FIG. 6 is an enlarged view of part A of the circuit board cleaning wastewater recycling treatment system;

FIG. 7 is a perspective exploded view of a connection structure of a reaction tank and a filter screen of the circuit board washing wastewater recycling treatment system of the invention;

FIG. 8 is a perspective view of the connection structure of the filter screen and the cleaning mechanism of the circuit board cleaning wastewater recycling treatment system;

FIG. 9 is a perspective view of the cleaning mechanism of the circuit board cleaning wastewater recycling treatment system;

FIG. 10 is a perspective view of the structure of a water pump mechanism of the circuit board cleaning wastewater recycling treatment system of the invention.

Reference numerals: 1. a reaction tank; 2. a sedimentation tank; 3. a liquid outlet pipe; 4. a bottom plate; 5. rotating the column; 6. a cross plate; 7. a lifting plate; 8. a servo motor; 9. a connecting ring; 10. a fixing plate; 11. a lead screw motor; 12. a screw rod; 13. a large gear; 14. a pinion gear; 15. a mounting plate; 16. a feeding tube; 17. a convex filter screen; 18. a rotating ring; 19. a stirring shaft; 20. stirring the leaves; 21. an outer toothed ring; 22. a driving motor; 23. a transmission gear; 24. a clamping groove; 25. a positioning block; 26. a clamping rod; 27. a collar; 28. a fixed block; 29. a bolt; 30. an L-shaped connecting rod; 31. a lock nut; 32. a trapezoid block; 33. an arc-shaped rod; 34. a soft brush; 35. a sponge cushion; 36. a water pump; 37. a water pumping hose; 38. pumping water into the hard pipe; 39. a slide bar; 40. a suspension block; 41. a counterweight ring; 42. a nut ring; 43. a water outlet hose; 44. a scale value; 45. and a control valve.

Detailed Description

Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present invention by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the invention; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present invention, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

As shown in fig. 1, the circuit board cleaning wastewater recycling treatment system comprises a reaction tank 1, a sedimentation tank 2, a liquid outlet pipe 3, a bottom plate 4, a rotary column 5, a transverse plate 6, a lifting plate 7, a mounting plate 15, a feeding pipe 16 and a control valve 45; bottom plate 4 fixed connection is in the bottom of sedimentation tank 2 one side outer wall, and bottom and ground laminating, rotate post 5 rotation and connect the top at bottom plate 4, diaphragm 6 fixed connection is in the one side outer wall of sedimentation tank 2 and be located the top of bottom plate 4, and rotate post 5 and the top of diaphragm 6 and run through rotation and be connected, through the setting of diaphragm 6, can improve the pivoted stability of post 5, the outer wall at post 5 is established to the lift plate 7 slip cap, the outer wall at post 5 is established to the fixed cover of mounting panel 15, and the top at mounting panel 15 is fixed to run through to retort 1, the bottom at retort 1 is located to drain pipe 3, be used for the ejection of compact, control valve 45 is installed on drain pipe 3, one side top of retort 1 is located to charging tube 16, be used for the interpolation of coagulant.

As shown in fig. 4, the wastewater recycling treatment system further comprises a first driving mechanism arranged at the top of the bottom plate 4 and used for driving the rotating column 5 to rotate back and forth; the first driving mechanism comprises a servo motor 8 fixedly connected to the top of the bottom plate 4, a pinion 14 is fixedly sleeved on an output shaft of the servo motor 8, and a large gear 13 meshed with the pinion 14 is fixedly sleeved on the outer wall of the rotating column 5. Through starting servo motor 8, can drive through the meshing motion of pinion 14 and gear wheel 13 and rotate post 5 and rotate to adjust the position of retort 1 and water pump mechanism, make it correspond the cooperation with sedimentation tank 2 respectively and use.

As shown in fig. 8, the wastewater recycling treatment system further comprises a filtering mechanism arranged at the top opening of the reaction tank 1 and used for primarily filtering wastewater; the filter mechanism comprises a connecting ring 9 which is matched with the size of the tank opening of the reaction tank 1, a plurality of positioning blocks 25 are arranged on the outer wall of the connecting ring 9 at equal intervals in an annular shape, a convex filter screen 17 is fixedly connected inside the connecting ring 9, and an annular filter residue collecting tank is arranged at the top of the connecting ring 9. The connecting ring 9 is inserted into the filling opening of the reaction tank 1 and limited by the positioning block 25, then the waste water is input into the reaction tank 1 through the convex filter screen 17, preliminary filtration can be carried out, and larger waste residues can directly slide into the filter residue collecting tank on the edge; and the convex filter screen 17 is convenient to take out and convenient to maintain and replace in later period.

As shown in fig. 1, the wastewater recycling treatment system further comprises a second driving mechanism arranged on the outer wall of the rotating column 5 and used for driving the lifting plate 7 to move up and down; the second driving mechanism comprises two fixing plates 10 fixedly sleeved on the outer wall of the rotary column 5, the same screw rod 12 is rotatably connected between the two fixing plates 10, a screw rod motor 11 is fixedly connected to the top of the fixing plate 10 above, an output shaft of the screw rod motor 11 penetrates through the bottom of the corresponding fixing plate 10 and is fixedly connected with the top end of the screw rod 12, and the lifting plate 7 is sleeved on the screw rod 12 in a threaded mode. The screw motor 11 is started to drive the screw rod 12 to rotate, so that the lifting plate 7 can be driven to move up and down on the outer wall of the rotating column 5, and the height of the lifting plate 7 can be adjusted.

As shown in fig. 1-4, the wastewater recycling treatment system further comprises a water pumping mechanism arranged on the lifting plate 7 and used for pumping wastewater precipitated in the sedimentation tank 2 to the next treatment procedure; the water pumping mechanism comprises a water pumping pump 36 fixedly connected to the top of the lifting plate 7 and two sliding rods 39 penetrating through the top of the lifting plate 7 in a sliding manner, wherein the bottom ends of the two sliding rods 39 are fixedly connected with a counterweight ring 41, the outer wall of the counterweight ring 41 is wrapped with a suspension block 40, a water pumping hard pipe 38 is fixedly penetrated through the center position of the suspension block 40, the bottom end of the water pumping hard pipe 38 extends to 1-2cm below the bottom of the suspension block 40, the top end of the water pumping hard pipe 38 penetrates through the top of the lifting plate 7 and is fixedly connected with a water pumping hose 37, the other end of the water pumping hose 37 is connected with the water inlet end of the water pumping pump 36, the water outlet end of the water pumping pump 36 is connected with a water outlet hose 43, the water outlet hose 43 is connected with a lower treatment procedure, a nut ring 42 is sleeved on the outer wall of the sliding rod 39 in a threaded manner, and a scale value 44 matched with the nut ring 42 is arranged on the outer wall of the sliding rod 39.

Firstly, the lifting plate 7 is lowered to a certain height by starting the screw motor 11, so that the suspension block 40 is suspended in the wastewater in the sedimentation tank 2, then the water suction pump 36 is started, the precipitated wastewater enters the water suction hose 37 through the water suction hard pipe 38, and then flows out of the water outlet hose 43; at this time, under the action of gravity of the counterweight ring 41, the suspension block 40 descends synchronously with the water level, and the slide rod 39 drives the nut ring 42 to descend simultaneously, before that, the descending height of the suspension block 40 can be controlled by adjusting the height of the nut ring 42, and the height setting adjustment is performed by matching with the scale value 44, so that the height of the residual water level in the sedimentation tank 2 can be reserved, and excessive extraction is prevented; after the extraction of wastewater in the sedimentation tank is completed, the screw motor 11 is started again to drive the lifting plate 7 to move upwards, at the moment, the lifting plate 7 can drive the sliding rod 39 to move upwards through the nut ring 42, and simultaneously, the suspension block 40 is driven to move upwards through the counterweight ring 41, when the lifting plate 7 moves to the highest position, the screw motor 11 stops working, at the moment, the suspension block 40 can be positioned above the sedimentation tank 2, the servo motor 8 is started, the rotating column 5 is driven to rotate, the reaction tank 1 is rotated to the position right above the sedimentation tank 2, and the water pumping mechanism is rotated to the other side to wait for the next use. The control valve 45 is opened, and the wastewater after completion of the coagulation reaction in the reaction tank 1 can be placed in the sedimentation tank 2, and the sedimentation process can be continued. The repeated operation can not only improve the working efficiency, but also adjust the height of pumping water each time by setting the height of the suspension block 40 downwards, without cleaning the sedimentation tank 2 each time, and can control the quality of pumping water and reduce the pumping of sediment; meanwhile, the equipment has reasonable layout, simple operation and flexible and convenient use

Example two

This embodiment is a further improvement over the previous embodiment: as shown in fig. 5-7, the top of the reaction tank 1 is rotatably connected with a rotary ring 18, the top of the rotary ring 18 is annular and provided with a plurality of clamping grooves 24, the bottoms of the plurality of positioning blocks 25 are fixedly connected with clamping rods 26 which are in plug-in fit with the clamping grooves 24, the bottom of the rotary ring 18 is fixedly connected with an outer toothed ring 21, one side of the top of the mounting plate 15 is fixedly connected with a driving motor 22, and a transmission gear 23 meshed with the outer toothed ring 21 is fixedly sleeved on an output shaft of the driving motor 22. When the connecting ring 9 is inserted into the tank opening of the reaction tank 1, the clamping rod 26 is inserted into the clamping groove 24, so that the positioning block 25 is positioned and placed on the rotating ring 18, the connecting ring 9 is positioned and placed, then the driving motor 22 is started, the rotating ring 18 is driven to rotate through the meshing motion of the transmission gear 23 and the outer toothed ring 21, and the connecting ring 9 can be driven to rotate, so that the convex filter screen 17 is driven to rotate.

As shown in fig. 5, a stirring shaft 19 is fixedly connected to the bottom of the convex filter screen 17, and a plurality of stirring blades 20 are arranged on the outer wall of the stirring shaft 19. When the convex filter screen 17 is driven to rotate by starting the driving motor 22, the stirring blade 20 can be driven to rotate by the stirring shaft 19, so that the effect of stirring the wastewater is achieved, and the reaction efficiency can be improved after the coagulant is added into the reaction tank 1 through the feeding pipe 16.

Example III

This embodiment is a further improvement over the previous embodiment: as shown in fig. 5-9, the wastewater recycling treatment system further comprises a cleaning mechanism rotatably connected to the top end of the rotary column 5, and the cleaning mechanism is used for cleaning filter residues on the filtering mechanism to prevent blockage; the cleaning mechanism comprises a fixed block 28 fixedly connected to the top of the rotary column 5, a bolt 29 penetrates through one side of the fixed block 28, a sleeve ring 27 is sleeved on the outer wall of the bolt 29, a locking nut 31 used for locking the sleeve ring 27 is sleeved on the outer wall of the bolt 29 in a threaded manner, an L-shaped connecting rod 30 is fixedly connected to the outer wall of the sleeve ring 27, a trapezoid block 32 matched with the filter residue collecting groove is fixedly connected to the other end of the L-shaped connecting rod 30, and a foam-rubber cushion 35 extruded and attached to the filter residue collecting groove is arranged on the outer wall of the trapezoid block 32. Through placing trapezoidal piece 32 in the filter residue collecting vat, at go-between 9 pivoted in-process, can promote the filter residue that is located the inslot through the extrusion laminating of foam-rubber cushion 35 and filter residue collecting vat, realize the automatic accumulational effect of concentrating of filter residue, be convenient for later stage clearance.

As shown in fig. 8-9, one side of the trapezoid block 32 is fixedly connected with an arc-shaped rod 33, the radian of the arc-shaped rod 33 is matched with that of the convex filter screen 17, a plurality of soft brushes 34 are arranged side by side at the bottom of the arc-shaped rod 33, and the cleaning ends of the soft brushes 34 are contacted with the top surface of the convex filter screen 17. When the connecting ring 9 rotates to drive the convex filter screen 17 to rotate, the small filter residues attached to the surface of the convex filter screen 17 can be automatically cleaned through the soft brush 34, so that the convex filter screen 17 is effectively prevented from being blocked, long-time use can be realized, and short-term cleaning trouble is avoided.

Working principle: firstly, the cleaning wastewater of a circuit board is input into a reaction tank 1 and filtered through a convex filter screen 17, a driving motor 22 is started, and a rotating ring 18 is driven to rotate through the meshing motion of a transmission gear 23 and an outer toothed ring 21, so that a connecting ring 9 can be driven to rotate, and the convex filter screen 17 is driven to rotate; coagulant is added from the feeding pipe 16, and the stirring blade 20 is driven to rotate through the stirring shaft 19 while the convex filter screen 17 rotates, so that the wastewater is stirred, and the reaction efficiency is improved. In the process that the connecting ring 9 drives the convex filter screen 17 to rotate, the trapezoid blocks 32 can be placed in the filter residue collecting tank, the filter residues in the tank are pushed through extrusion fit of the sponge cushion 35 and the filter residue collecting tank, the effect that the filter residues are automatically concentrated and accumulated is achieved, later cleaning is convenient, and the blocking preventing effect can be achieved.

The lifting plate 7 is lowered to a certain height by starting the screw motor 11, so that the suspension block 40 is suspended in the wastewater in the sedimentation tank 2, then the water suction pump 36 is started, the precipitated wastewater enters the water suction hose 37 through the water suction hard pipe 38, and then flows out of the water outlet hose 43; at this time, under the action of gravity of the counterweight ring 41, the suspension block 40 descends synchronously with the water level, and the slide rod 39 drives the nut ring 42 to descend simultaneously, before that, the descending height of the suspension block 40 can be controlled by adjusting the height of the nut ring 42, and the height setting adjustment is performed by matching with the scale value 44, so that the height of the residual water level in the sedimentation tank 2 can be reserved, and excessive extraction is prevented; after the extraction of wastewater in the sedimentation tank is completed, the screw motor 11 is started again to drive the lifting plate 7 to move upwards, at the moment, the lifting plate 7 can drive the sliding rod 39 to move upwards through the nut ring 42, and simultaneously, the suspension block 40 is driven to move upwards through the counterweight ring 41, when the lifting plate 7 moves to the highest position, the screw motor 11 stops working, at the moment, the suspension block 40 can be positioned above the sedimentation tank 2, the servo motor 8 is started, the rotating column 5 is driven to rotate, the reaction tank 1 is rotated to the position right above the sedimentation tank 2, and the water pumping mechanism is rotated to the other side to wait for the next use. The control valve 45 is opened, and the wastewater after completion of the coagulation reaction in the reaction tank 1 can be placed in the sedimentation tank 2, and the sedimentation process can be continued. The repeated operation can not only improve the working efficiency, but also adjust the height of pumping water each time by setting the height of the suspension block 40 downwards, without cleaning the sedimentation tank 2 each time, and can control the quality of pumping water and reduce the pumping of sediment; meanwhile, the equipment is reasonable in layout, simple to operate and flexible and convenient to use.

However, as well known to those skilled in the art, the working principles and wiring methods of the servo motor 8, the screw motor 11, the driving motor 22, and the water pump 36 are well known, which are all conventional means or common general knowledge, and will not be described herein in detail, and any choice can be made by those skilled in the art according to their needs or convenience.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present invention, which is intended to be covered by the claims of the present invention.

Claims

1. A circuit board cleaning wastewater recycling treatment system is characterized by comprising:

a reaction tank (1) and a sedimentation tank (2);

the bottom plate (4) is fixedly connected to the bottom of the outer wall of one side of the sedimentation tank (2), and the bottom is attached to the ground;

the rotating column (5) is rotationally connected to the top of the bottom plate (4);

the first driving mechanism is arranged at the top of the bottom plate (4) and is used for driving the rotating column (5) to rotate back and forth;

the mounting plate (15) is fixedly sleeved on the outer wall of the rotating column (5), and the reaction tank (1) is fixedly penetrated through the top of the mounting plate (15);

the liquid outlet pipe (3) is arranged at the bottom of the reaction tank (1) and is used for discharging, and a control valve (45) is arranged on the liquid outlet pipe (3);

the filtering mechanism is arranged at the top opening of the reaction tank (1) and is used for primarily filtering the wastewater;

a feeding pipe (16) arranged at the top of one side of the reaction tank (1) and used for adding coagulant;

the cleaning mechanism is rotationally connected to the top end of the rotating column (5) and used for cleaning filter residues on the filtering mechanism to prevent blockage;

the lifting plate (7) is sleeved on the outer wall of the rotating column (5) in a sliding manner;

the second driving mechanism is arranged on the outer wall of the rotating column (5) and is used for driving the lifting plate (7) to move up and down;

the water pumping mechanism is arranged on the lifting plate (7) and is used for pumping the wastewater precipitated in the sedimentation tank (2) to the next treatment procedure.

2. The circuit board cleaning wastewater recycling treatment system according to claim 1, wherein the first driving mechanism comprises a servo motor (8) fixedly connected to the top of the bottom plate (4), a pinion (14) is fixedly sleeved on an output shaft of the servo motor (8), and a large gear (13) meshed with the pinion (14) is fixedly sleeved on the outer wall of the rotating column (5).

3. The circuit board cleaning wastewater recycling treatment system according to claim 1 or 2, wherein a transverse plate (6) positioned above the bottom plate (4) is fixedly connected to the outer wall of one side of the sedimentation tank (2), and the rotating column (5) is in penetrating and rotating connection with the top of the transverse plate (6).

4. The circuit board cleaning wastewater recycling treatment system according to claim 1, wherein the filtering mechanism comprises a connecting ring (9) which is matched with the tank opening of the reaction tank (1), a plurality of positioning blocks (25) are arranged on the outer wall of the connecting ring (9) at equal intervals in an annular shape, a convex filter screen (17) is fixedly connected to the inner part of the connecting ring (9), and an annular filter residue collecting groove is formed in the top of the connecting ring (9).

5. The circuit board washing wastewater recycling treatment system according to claim 4, wherein the top of the reaction tank (1) is rotatably connected with a rotating ring (18), the top of the rotating ring (18) is provided with a plurality of clamping grooves (24) in a ring shape, the bottoms of the positioning blocks (25) are fixedly connected with clamping rods (26) which are in plug-in fit with the clamping grooves (24), the bottoms of the rotating ring (18) are fixedly connected with an external tooth ring (21), one side of the top of the mounting plate (15) is fixedly connected with a driving motor (22), and a transmission gear (23) meshed with the external tooth ring (21) is fixedly sleeved on an output shaft of the driving motor (22).

6. The circuit board cleaning wastewater recycling treatment system according to claim 5, wherein a stirring shaft (19) is fixedly connected to the bottom of the convex filter screen (17), and a plurality of stirring blades (20) are arranged on the outer wall of the stirring shaft (19).

7. The circuit board cleaning wastewater recycling treatment system according to claim 4 or 6, wherein the cleaning mechanism comprises a fixed block (28) fixedly connected to the top of the rotary column (5), a bolt (29) penetrates through one side of the fixed block (28), a sleeve ring (27) is sleeved on the outer wall of the bolt (29), a locking nut (31) used for locking the sleeve ring (27) is sleeved on the outer wall of the bolt (29) in a threaded manner, an L-shaped connecting rod (30) is fixedly connected to the outer wall of the sleeve ring (27), a trapezoid block (32) matched with the filter residue collecting groove is fixedly connected to the other end of the L-shaped connecting rod (30), and a sponge pad (35) extruded and attached to the filter residue collecting groove is arranged on the outer wall of the trapezoid block (32).

8. The circuit board cleaning wastewater recycling treatment system according to claim 7, wherein one side of the trapezoid block (32) is fixedly connected with an arc-shaped rod (33), the radian of the arc-shaped rod (33) is matched with the cambered surface of the convex filter screen (17), a plurality of soft brushes (34) are arranged at the bottom of the arc-shaped rod (33) side by side, and cleaning ends of the soft brushes (34) are contacted with the top surface of the convex filter screen (17).

9. The circuit board cleaning wastewater recycling treatment system according to claim 1, wherein the second driving mechanism comprises two fixing plates (10) fixedly sleeved on the outer wall of the rotating column (5), the same screw rod (12) is rotatably connected between the two fixing plates (10), a screw rod motor (11) is fixedly connected to the top of the fixing plate (10) above, an output shaft of the screw rod motor (11) penetrates through the bottom of the corresponding fixing plate (10) and is fixedly connected with the top end of the screw rod (12), and the lifting plate (7) is sleeved on the screw rod (12) in a threaded mode.

10. The circuit board washing wastewater recycling treatment system according to claim 1 or 9, wherein the water pumping mechanism comprises a water pumping pump (36) fixedly connected to the top of the lifting plate (7) and two sliding rods (39) penetrating through the top of the lifting plate (7) in a sliding manner, the bottom ends of the two sliding rods (39) are fixedly connected with a counterweight ring (41), the outer wall of the counterweight ring (41) is wrapped with a suspension block (40), a water pumping hard pipe (38) is fixedly penetrated through the center position of the suspension block (40), the bottom end of the water pumping hard pipe (38) extends to 1-2cm below the bottom of the suspension block (40), the top end of the water pumping hard pipe (38) penetrates through the top of the lifting plate (7) and is fixedly connected with a water pumping hose (37), the other end of the water pumping hose (37) is connected with a water inlet end of the water pumping pump (36), the water outlet end of the water pumping pump (36) is connected with a water outlet hose (43), the water outlet hose (43) is connected with a lower treatment procedure, the outer wall of the sliding rod (39) is sleeved with a nut ring (42), and the outer wall of the sliding rod (39) is provided with a scale value (44) matched with the nut ring (42).