CN111847792A

CN111847792A - Circuit board production sewage treatment method

Info

Publication number: CN111847792A
Application number: CN202010744480.8A
Authority: CN
Inventors: 王玉河
Original assignee: Lin'an Tianyu Electronic Co Ltd
Current assignee: Lin'an Tianyu Electronic Co Ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2020-10-30

Abstract

The invention discloses a circuit board production sewage treatment method, which comprises a filter tank, a control cabinet and a feeding pipe, wherein the feeding pipe penetrates through the filter tank, the feeding pipe is fixedly connected with the filter tank, the control cabinet is fixed on one side of the filter tank, a neutralization tank is fixedly arranged on one side of the filter tank, the output end of the filter tank penetrates through the upper end surface of the neutralization tank, a polymerization tank is arranged on one side of the neutralization tank, the output end of the neutralization tank penetrates through the upper end surface of the polymerization tank, a biochemical tank is fixedly arranged on one side of the polymerization tank, an extraction component is fixedly arranged on the outer side surface of the polymerization tank, the output end of the extraction component penetrates through the biochemical tank, a cooling adsorption tank is fixedly arranged on one side of the biochemical tank, a discharge pipe is arranged on the side surface of the cooling adsorption tank, and the output end, Convenient to use, reduce artifical trouble, the cost is lower.

Description

Circuit board production sewage treatment method

Technical Field

The invention relates to the technical field of circuit board sewage treatment, in particular to a method for treating circuit board production sewage.

Background

The circuit board is named as a ceramic circuit board, an alumina ceramic circuit board, an aluminum nitride ceramic circuit board, a PCB board, an aluminum substrate, a high-frequency board, a thick copper board, an impedance board, a PCB, an ultra-thin circuit board, a printed (copper etching technology) circuit board and the like. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout. The circuit board may be referred to as a printed wiring board or a printed circuit board.

There are the waste water of multiple heavy metal pollutant and the organic waste water who contains high concentration in printed circuit board production process, printed circuit board waste water mainly contains the copper ion, and waste water is acid basically, needs to handle production sewage, just can discharge, and traditional sewage treatment is with high costs, complex operation, and area is great, provides a solution to below the above problem.

Disclosure of Invention

The invention aims to provide a method for treating sewage generated in circuit board production, which has the advantages of small occupied area, no occupation of a large amount of space, convenience in use, reduction of manual troubles and lower cost.

The technical purpose of the invention is realized by the following technical scheme:

a circuit board production sewage treatment method comprises a filter tank, a control cabinet and an inlet pipe, wherein the inlet pipe penetrates through the filter tank, the inlet pipe is fixedly connected with the filter tank, the control cabinet is fixed on one side of the filter tank, a neutralization tank is fixedly arranged on one side of the filter tank, the output end of the filter tank penetrates through the upper end face of the neutralization tank, a stirring assembly is fixedly arranged outside the neutralization tank, the output end of the stirring assembly penetrates through the neutralization tank, a polymerization tank is arranged on one side of the neutralization tank, the output end of the neutralization tank penetrates through the upper end face of the polymerization tank, a hopper is fixedly arranged outside the polymerization tank, the output end of the hopper penetrates through the polymerization tank, a biochemical tank is fixedly arranged on one side of the polymerization tank side, an extraction assembly is fixedly arranged on the outer side face of the polymerization tank, the output end of the extraction assembly penetrates through the polymerization tank, and the output end of the extraction assembly penetrates through the, the fixed cooling adsorption tank that is provided with in one side of biochemical pond, row's material pipe is worn to be equipped with in the side of cooling adsorption tank, the output in biochemical pond passes the cooling adsorption tank, just all install automatically controlled valve one on the output and the row's of filtering ponds, neutralization pond, biochemical pond the automatically controlled valve switch board electric connection.

By adopting the technical scheme, the pipeline of the external sewage is fixedly connected with the feeding pipe, so that the sewage enters the interior of the filtering tank through the feeding pipe, the filtering tank filters larger impurities which are insoluble in water in the sewage, the filtering tank can sterilize the sewage, the control cabinet controls the first electric control valve on the output end of the filtering tank to be opened after the filtering is finished, so that the sewage in the interior of the filtering tank enters the interior of the neutralizing tank, the control cabinet controls the stirring assembly to be started, so that a neutralizing reagent in the stirring assembly enters the interior of the neutralizing tank, the neutralizing reagent adopts a sodium hydroxide solution which is alkaline and can neutralize the acidity in the sewage, the stirring assembly can automatically allocate the neutralizing reagent, the danger caused by manual allocation and irradiation is avoided, the neutralizing reagent and the sewage carry out a neutralization reaction, the PH value of the neutralized sewage, and the first electric control valve on the neutralizing tank is opened after the neutralization is finished, make the inside sewage of neutralization pond enter into inside the polymerization pond, the polymerization reagent in the hopper falls in step, the polymerization reagent adopts the aluminium chloride solution, thereby heavy metal in the sewage deposits, the sewage transportation after will depositing through the extraction subassembly is inside to biochemical pond, collect group's price and can deposit heavy metal and sewage separation, avoid the removal that the heavy metal deposits, the inside sewage of biochemical pond of entering into passes through the inside microbial degradation of biochemical pond, degrade the operation with the organic matter in the sewage, one the electric control valve of biochemical pond output is opened after the degradation is accomplished, sewage enters into inside the cooling adsorption tank, because microbial degradation can produce the heat, through the cooling effect in cooling adsorption tank, discharge into the outside through row's material pipe at last, accomplish the processing of sewage.

As preferred, the stirring subassembly includes churn, charging barrel, water injection pipe, agitator motor, stirring rod, outlet pipe and second electric control valve, charging barrel rotates to be arranged in the up end of churn, the charge door has been seted up to the bottom surface of charging barrel and the up end of churn, the water injection pipe pierces through in the side of churn, the fixed pan feeding mouth of agitator motor is in the bottom of churn, the agitator motor output passes the churn, agitator motor's output and stirring rod fixed connection, the outlet pipe pierces through in the side one end of churn, the one end of outlet pipe pierces through in the side in neutralization pond, second electric control valve arranges inside the outlet pipe, second electric control valve is in agitator motor and switch board electric connection.

Adopt above-mentioned technical scheme, put into sodium hydroxide, add the feed cylinder inside, water pipe and water injection union coupling with outside, add the feed cylinder through rotating, make pan feeding mouth on the feed cylinder corresponding with the pan feeding mouth on the churn, the inside sodium hydroxide of feed cylinder enters into the churn through the pan feeding mouth under the effect of gravity inside, outside water passes through the water injection pipe and enters into inside the churn, switch board control agitator motor starts, agitator motor drives the stirring rod and rotates, the stirring rod fully stirs sodium hydroxide and water, make sodium hydroxide fully dissolve in water, the circulation of two control sodium hydroxide solutions of automatically controlled valve.

As preferred, biochemical pond includes riser one, riser two, water pump one and fan one, riser one and two vertical arrange and in biochemical pond inside, riser one and riser two divide into the biochemical pond anaerobism pond, good oxygen pond and place the chamber with biochemical pond, water pump one is located places the intracavity portion, the input of water pump one pierces through in riser one is located the anaerobism pond inside, the input of water pump one pierces through riser two and is located good oxygen pond inside, fan one arranges in the biochemical pond lateral wall that is close to good oxygen pond, biochemical pond is close to the lateral wall in good oxygen pond and has seted up vent one, water pump one and fan one and switch board electric connection.

Adopt above-mentioned technical scheme, inside sewage advanced income anaerobism pond, carry out the first degradation reaction to sewage through anaerobism microorganism, the reaction is accomplished the back, the inside sewage of anaerobism pond is extracted to rethread water pump one, shift to aerobic tank inside again, carry out the second degradation reaction to sewage through aerobic microorganism, switch board control fan starts, the fan is inside bloied to aerobic tank for the circulation of air, the vent makes the circulation of air between outside and the aerobic tank, thereby accelerate aerobic microorganism's reproduction and activity, accelerate the reaction.

As preferred, polymerization pond, good oxygen pond and the inside blowdown subassembly that all is provided with of anaerobism pond, the blowdown subassembly includes swash plate, closing plate, cardboard and bail, the swash plate is arranged in polymerization bottom of the pool portion, the drain has been seted up to polymerization pond side, the closing plate is located one side of drain, closing plate and polymerization pond normal running fit, cardboard and closing plate normal running fit, the bail is fixed in the side of polymerization pond, the bayonet socket has been seted up on the cardboard, bayonet socket and bail joint.

Adopt above-mentioned technical scheme, the internal reaction of polymerization tank and biochemical pond can produce the sediment, the sediment can fall on the swash plate, because the swash plate is non-horizontal, make the sediment can remove to the lower direction on the swash plate, when the sediment is more on the swash plate, rotate the cardboard, make bayonet socket and bail separation, thereby make the closing plate can the free rotation, open the closing plate, make the sediment from the inside discharge of drain, the convenient clearance to the swash plate, avoid the sediment too much to lead to the space to reduce.

Preferably, the filter plate is arranged in the filter tank in a sliding mode, the filter plate is located at one end close to the feeding pipe, the ultraviolet lamp is arranged at the top of the filter tank, and the ultraviolet lamp is electrically connected with the control cabinet.

Adopt above-mentioned technical scheme, sewage enters into the filtering ponds when inside through the inlet pipe, the filter filters sewage, the great impurity that is insoluble in water is filtered by the filter, can't enter into and the pond is inside, after using a period, can take the filter out, clear up the impurity in the filter, convenient next time operation, ultraviolet lamp has stronger bactericidal action simultaneously and can kills most bacterium in the sewage, avoid the influence of bacterium in the sewage to the bacterium of biochemical pond inside.

As preferred, the inside slip of cooling adsorption tank is provided with adsorbs the box, adsorb and seted up the charge door on the box, it is provided with the active carbon to adsorb the box inside, the one end of adsorbing the box is rotated and is provided with the pull rod, the opening is seted up to the side in cooling adsorption tank, the opening part joint is provided with the wallboard, one section of pull rod and one side of wallboard are rotated and are connected.

Adopt above-mentioned technical scheme, activated carbon has that the void structure is flourishing, specific surface area is big, the adsorption efficiency is strong, mechanical strength is high, the bed resistance is little, chemical stability can be good, easy regeneration, advantages such as durable, can adsorb the operation to sewage, reduce the smell in the sewage, after using a period, the pulling wallboard, the wallboard drives the pull rod and drives the motion of adsorption box, the one end atress of adsorption box rotates, make the adsorption box be in the horizontality, continue to stimulate the wallboard, the pull plate drives the pull rod, the pull rod drives the adsorption box and removes to the opening part, move out the opening until adsorbing the box, make things convenient for the change of activated carbon, the activated carbon after will using takes out from the charge door, put into inside with new activated carbon again.

Preferably, the side surface of the cooling adsorption pool is symmetrically fixed with limiting rods, the side surface of the adsorption box is provided with limiting grooves, the limiting rods are located in the limiting grooves, and the limiting rods are in sliding fit with the limiting grooves.

By adopting the technical scheme, when the adsorption box is stressed and rotated, the limiting groove can rotate around the limiting rod, the limiting rod can limit the limiting groove, and the adsorption box is prevented from being moved out from the interior of the cooling adsorption tank.

Preferably, the pumping assembly comprises a second water pump and a filter disc, the filter disc is arranged at the input end and the output end of the second water pump, and the second water pump is electrically connected with the control cabinet.

Adopt above-mentioned technical scheme, the switch board drives two starts of water pump, and inside the biochemical pond was transported with the inside sewage of polymerization tank to two water pumps, the cassette played the isolation effect, avoided the inside precipitate of polymerization tank to be extracted by two water pumps, and also can avoid the injury of precipitate to two water pumps.

Preferably, the side wall of the adsorption cooling adsorption tank is provided with a second fan, the side surface of the cooling adsorption tank is provided with a second vent, and the second fan is electrically connected with the control cabinet.

Adopt above-mentioned technical scheme, the second start of switch board control fan, the circulation of air is accelerated to the second fan, and the fan is cooled down to two pairs of cooling adsorption tanks insidely, and the vent makes cooling adsorption tanks and outside circulation of air, avoids cooling adsorption tanks inside atmospheric pressure too big.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a sectional view of the embodiment;

FIG. 3 is a schematic view of an adsorption cassette;

FIG. 4 is a cross-sectional view of the stirring assembly.

Reference numerals: 1. a filtration tank; 2. a control cabinet; 3. a feed pipe; 4. a neutralization pond; 5. a stirring assembly; 6. a polymerization tank; 7. a hopper; 8. a biochemical pool; 9. an extraction assembly; 10. cooling the adsorption tank; 11. a discharge pipe; 12. a first electric control valve; 13. a mixing drum; 14. a charging barrel; 15. a water injection pipe; 16. a stirring motor; 17. a stirring rod; 18. a water outlet pipe; 19. a second electric control valve; 20. a feeding port; 21. a first vertical plate; 22. a second vertical plate; 23. a first water pump; 24. a first fan; 25. an anaerobic tank; 26. an aerobic tank; 27. a placement chamber; 28. a first ventilation opening; 29. a blowdown assembly; 30. a sloping plate; 31. a sealing plate; 32. clamping a plate; 33. a staple bolt; 34. a sewage draining outlet; 35. a bayonet; 36. a filter plate; 37. an ultraviolet lamp; 38. an adsorption box; 39. a feed inlet; 41. A pull rod; 42. an opening; 43. wall plates; 44. a limiting rod; 45. a limiting groove; 46. a second water pump; 47. a filter disc; 48. a second fan; 49. and a second air vent.

Detailed Description

The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.

As shown in fig. 1 to 4, a circuit board production sewage treatment method comprises a filtering tank 1, a control cabinet 2 and a feeding pipe 3, wherein the control cabinet 2 is fixed on one side of the filtering tank 1, the feeding pipe 3 penetrates through the filtering tank 1, the feeding pipe 3 is fixedly connected with the filtering tank 1, a filtering plate 36 is slidably arranged inside the filtering tank 1, the filtering plate 36 is located at one end close to the feeding pipe 3, an ultraviolet lamp 37 is arranged at the top of the filtering tank 1, and the ultraviolet lamp 37 is electrically connected with the control cabinet 2.

Pipeline and the 3 fixed connection of inlet pipe with outside sewage, make sewage enter into 1 inside filtering ponds through inlet pipe 3, sewage enters into 1 inside time of filtering ponds through inlet pipe 3, filter 36 filters sewage, the great impurity that is insoluble in water is filtered by filter 36, can't enter into and inside 4 ponds, after using a period, can take filter 36 out, clear up the impurity in filter 36, make things convenient for the next time operation, ultraviolet lamp 37 has stronger bactericidal action simultaneously and can kills most of the bacterium in the sewage, avoid the influence of bacterium in the sewage to subsequent reaction.

One side of the filtering tank 1 is fixedly provided with a neutralizing tank 4, the output end of the filtering tank 1 penetrates through the upper end face of the neutralizing tank 4, the outside of the neutralizing tank 4 is fixedly provided with a stirring assembly 5, the output end of the stirring assembly 5 penetrates through the neutralizing tank 4, the stirring assembly 5 comprises a stirring drum 13, a feeding drum 14, a water injection pipe 15, a stirring motor 16, a stirring rod 17, a water outlet pipe 18 and an electric control valve II 19, the feeding drum 14 is rotatably arranged on the upper end face of the stirring drum 13, the bottom face of the feeding drum 14 and the upper end face of the stirring drum 13 are provided with a material inlet 20, the water injection pipe 15 penetrates through the side face of the stirring drum 13, the stirring motor 16 is fixed at the bottom of the stirring drum 13, the output end of the stirring motor 16 penetrates through the stirring drum 13, the output end of the stirring motor 16 is fixedly connected with the stirring rod 17, the water outlet pipe 18 penetrates through, the second electric control valve 19 is arranged inside the water outlet pipe 18, and the second electric control valve 19 is electrically connected with the stirring motor 16 and the control cabinet 2.

Put into sodium hydroxide, charging barrel 14 is inside, connect outside water pipe and water injection pipe 15, charging barrel 14 through rotating, make pan feeding mouth 20 on the charging barrel 14 and pan feeding mouth 20 on the churn 13 corresponding, the inside sodium hydroxide of charging barrel 14 enters into the churn 13 inside through pan feeding mouth 20 under the effect of gravity, outside water enters into the churn 13 inside through

water injection pipe

15, 2 control agitator motor 16 of switch board start, agitator motor 16 drives the stirring rod 17 and rotates, stirring rod 17 fully stirs sodium hydroxide and water, make sodium hydroxide fully dissolve in water, the circulation of two 19 control sodium hydroxide solutions of automatically controlled valve.

Inside the inside sewage of filtering ponds 1 enters into neutralization pond 4 for stirring the inside neutralization reagent of subassembly 5 enters into neutralization pond 4 inside, and neutralization reagent adopts sodium hydroxide solution, and the sodium hydroxide solution is alkaline, can neutralize the acidity in the sewage, and stirring subassembly 5 can carry out the allotment of neutralization reagent automatically, avoids the danger of artifical allotment photograph, and neutralization reagent and sewage carry out neutralization reaction, and the pH value of neutralization sewage.

One side of neutralization pond 4 is provided with polymerization tank 6, and the up end of polymerization tank 6 is passed to the output of neutralization pond 4, and polymerization tank 6 external fixation sets up hopper 7, and the output of hopper 7 pierces through in polymerization tank 6, and after the neutralization was accomplished, inside the sewage of neutralization pond 4 entered into polymerization tank 6, and the polymerization reagent in the hopper 7 falls down in step, and the polymerization reagent adopts the aluminium chloride solution to deposit the heavy metal in the sewage.

The fixed biochemical pond 8 that is provided with in polymerization pond 6 side one side, the fixed extraction subassembly 9 that is provided with of lateral surface of polymerization pond 6, the output of extraction subassembly 9 pierces through polymerization pond 6, and biochemical pond 8 is passed to the output of extraction subassembly 9, and extraction subassembly 9 includes two 46 of water pumps, cassette 47, and cassette 47 arranges in two 46 of water pumps's input and output, two 46 of water pumps and switch board 2 electric connection.

The switch board 2 drives the second water pump 46 to start, the second water pump 46 transports the sewage in the polymerization tank 6 to the biochemical tank 8, the filter disc 47 has an isolation effect, the sediment in the polymerization tank 6 is prevented from being extracted by the second water pump 46, and the sediment is prevented from hurting the second water pump 46.

Biochemical pond 8 includes riser one 21, riser two 22, water pump one 23 and fan one 24, riser one 21 and riser two 22 are vertical arrange and in biochemical pond 8 inside, riser one 21 and riser two 22 divide into the anaerobism pond 25 with biochemical pond 8, good oxygen pond 26 and place chamber 27, water pump one 23 is located places chamber 27 inside, the input of water pump one 23 pierces through and is located anaerobism pond 25 inside in riser one 21, the input of water pump one 23 pierces through riser two 22 and is located good oxygen pond 26 inside, fan one 24 is arranged in the biochemical pond 8 lateral wall that is close to good oxygen pond 26, vent one 28 has been seted up to biochemical pond 8's lateral wall that is close to good oxygen pond 26, water pump one 23 and fan one 24 and 2 electric connection of switch board.

Inside advanced anaerobism pond 25 is gone into to sewage, carry out the first degradation reaction to sewage through anaerobism microorganism, the reaction is accomplished the back, rethread water pump 23 extracts the inside sewage of anaerobism pond 25, shift to aerobic pond 26 inside again, carry out the second degradation reaction to sewage through aerobe, 2 control fan 24 of switch board start, fan 24 is bloied to aerobic pond 26 inside, accelerate the circulation of air, vent 28 makes the air circulated between outside and the aerobic pond 26, thereby accelerate aerobe's reproduction and activity, accelerate the reaction.

Fixed cooling adsorption tank 10 that is provided with in one side of biochemical pond 8, cooling adsorption tank 10 is passed to biochemical pond 8's output, the inside slip of cooling adsorption tank 10 is provided with adsorbs box 38, the side symmetry of cooling adsorption tank 10 is fixed with gag lever post 44, spacing groove 45 has been seted up to the side of adsorbing box 38, gag lever post 44 is located inside the spacing groove 45,

gag lever post

44 and 45 sliding fit of spacing groove, adsorption tank 38 has last charge door 39 of having seted up, adsorb the inside active carbon that is provided with of box 38, the one end rotation of adsorbing box 38 is provided with pull rod 41, opening 42 is seted up to the side of cooling adsorption tank 10, opening 42 department joint is provided with wallboard 43, one section of pull rod 41 and the one side rotation of wallboard 43 are connected.

The activated carbon has the advantages of developed gap structure, large specific surface area, strong adsorption capacity, high mechanical strength, small bed resistance, good chemical stability, easy regeneration, durability and the like, can perform adsorption operation on sewage, reduces odor in the sewage, when the activated carbon is used for a period of time, the wall plate 43 is pulled, the wall plate 43 drives the pull rod 41 of the pull rod 41 to drive the adsorption box 38 to move, one end of the adsorption box 38 is stressed to rotate, when the adsorption box 38 is stressed to rotate, the limiting groove 45 can rotate around the limiting rod 44, so that the adsorption box 38 is in a horizontal state, the wall plate 43 is continuously pulled, the pull rod 41 is driven by the wall plate, the adsorption box 38 is driven by the pull rod 41 to move towards the opening 42, the limiting rod 44 can play a limiting role on the limiting groove 45, the adsorption box 38 is prevented from moving out of the cooling adsorption tank 10 until the adsorption box 38 moves out of the opening 42, the activated carbon is convenient to replace, the used activated carbon is, and then new activated carbon is put into the interior.

The side of the cooling adsorption tank 10 is provided with a discharge pipe 11 in a penetrating manner, the side wall of the adsorption cooling adsorption tank 10 is provided with a second fan 48, the side of the cooling adsorption tank 10 is provided with a second vent 49, and the second fan 48 is electrically connected with the control cabinet 2.

Two 48 starts of 2 control fans of switch board, and two 48 quickens the circulation of air, and two 48 fans cool down to cooling adsorption tank 10 inside, and the vent makes the circulation of air of cooling adsorption tank 10 and outside, avoids cooling the inside atmospheric pressure in adsorption tank 10 too big, through two 48 fans's cooling effect, arranges into the outside through row material pipe 11 at last, accomplishes the processing of sewage.

The polymerization tank 6, aerobic tank 26 and anaerobism 25 are inside all to be provided with blowdown subassembly 29, blowdown subassembly 29 includes swash plate 30, the closing plate 31, cardboard 32 and bail 33, swash plate 30 arranges in the 6 bottoms in polymerization tank, drain 34 has been seted up to 6 lateral parts in polymerization tank, closing plate 31 is located one side of drain 34, closing

plate

31 and 6 normal running fit in polymerization tank, cardboard 32 and closing plate 31 normal running fit, bail 33 is fixed in the side of polymerization tank 6, bayonet 35 has been seted up on the cardboard 32, bayonet 35 and bail 33 joint.

The polymerization tank 6 can produce the sediment with the inside reaction in biochemical pond 8, the sediment can fall on the swash plate 30, because swash plate 30 is non-horizontal, make the sediment can move to the lower direction on the swash plate 30, when the sediment is more on the swash plate 30, rotate cardboard 32, make bayonet 35 and bail 33 separate, thereby make closing plate 31 can the free rotation, open closing plate 31, make the sediment from the inside discharge of drain 34, the convenient clearance to swash plate 30, avoid the sediment too much to lead to the space to reduce.

And the output ends of the filter tank 1, the neutralization tank 4 and the biochemical tank 8 and the discharge pipe 11 are all provided with a first 12 electric control valve 12 control cabinet 2 which is electrically connected.

The first electric control valve 12 is controlled through the control cabinet 2, and the flow of sewage is sequentially controlled through the first electric control valve 12, so that the trouble of manual operation is avoided.

Claims

1. A circuit board production sewage treatment method comprises a filter tank (1), a control cabinet (2) and a feeding pipe (3), wherein the feeding pipe (3) penetrates through the filter tank (1), the feeding pipe (3) is fixedly connected with the filter tank (1), the control cabinet (2) is fixed on one side of the filter tank (1), the circuit board production sewage treatment method is characterized in that a neutralization tank (4) is fixedly arranged on one side of the filter tank (1), the output end of the filter tank (1) penetrates through the upper end face of the neutralization tank (4), a stirring assembly (5) is fixedly arranged outside the neutralization tank (4), the output end of the stirring assembly (5) penetrates through the neutralization tank (4), a polymerization tank (6) is arranged on one side of the neutralization tank (4), the output end of the neutralization tank (4) penetrates through the upper end face of the polymerization tank (6), a hopper (7) is fixedly arranged outside the polymerization tank (6), the output of hopper (7) pierces through in polymerization tank (6), polymerization tank (6) side one side is fixed and is provided with biochemical pond (8), the fixed extraction subassembly (9) that is provided with of lateral surface of polymerization tank (6), the output of extraction subassembly (9) pierces through polymerization tank (6), biochemical pond (8) are passed to the output of extraction subassembly (9), one side of biochemical pond (8) is fixed and is provided with cooling adsorption tank (10), row's material pipe (11) are worn to be equipped with in the side of cooling adsorption tank (10), cooling adsorption tank (10) are passed to the output of biochemical pond (8), just all install automatically controlled valve (12) on the output of filtering ponds (1), neutralization pond (4), biochemical pond (8) and row's material pipe (11), automatically controlled valve (12) switch board (2) electric connection.

2. The circuit board production sewage treatment method according to claim 1, wherein the stirring assembly (5) comprises a stirring drum (13), a feeding drum (14), a water injection pipe (15), a stirring motor (16), a stirring rod (17), a water outlet pipe (18) and a second electric control valve (19), the feeding drum (14) is rotatably arranged on the upper end face of the stirring drum (13), a feeding port (20) is formed in the bottom face of the feeding drum (14) and the upper end face of the stirring drum (13), the water injection pipe (15) penetrates through the side face of the stirring drum (13), the stirring motor (16) is fixed at the bottom of the stirring drum (13), the output end of the stirring motor (16) penetrates through the stirring drum (13), the output end of the stirring motor (16) is fixedly connected with the stirring rod (17), the water outlet pipe (18) penetrates through one end of the side face of the stirring drum (13), one end of the water outlet pipe (18) penetrates through the side face of the neutralizing tank (4), the second electric control valve (19) is arranged inside the water outlet pipe (18), and the second electric control valve (19) is electrically connected with the control cabinet (2) through the stirring motor (16).

3. The circuit board production wastewater treatment method according to claim 1, wherein the biochemical tank (8) comprises a first vertical plate (21), a second vertical plate (22), a first water pump (23) and a first fan (24), the first vertical plate (21) and the second vertical plate (22) are vertically arranged and arranged inside the biochemical tank (8), the first vertical plate (21) and the second vertical plate (22) divide the biochemical tank (8) into an anaerobic tank (25), an aerobic tank (26) and a placing cavity (27), the first water pump (23) is located inside the placing cavity (27), an input end of the first water pump (23) penetrates through the first vertical plate (21) and is located inside the anaerobic tank (25), an input end of the first water pump (23) penetrates through the second vertical plate (22) and is located inside the aerobic tank (26), the first fan (24) is arranged on a side wall of the biochemical tank (8) close to the aerobic tank (26), and a vent (28) is formed in the side wall of the biochemical tank (8) close to the aerobic tank (26), the first water pump (23) and the first fan (24) are electrically connected with the control cabinet (2).

4. The circuit board production sewage treatment method according to claim 3, wherein a sewage discharge assembly (29) is arranged inside each of the polymerization tank (6), the aerobic tank (26) and the anaerobic tank (25), the sewage discharge assembly (29) comprises an inclined plate (30), a sealing plate (31), a clamping plate (32) and a clamping nail (33), the inclined plate (30) is arranged at the bottom of the polymerization tank (6), a sewage discharge outlet (34) is formed in the side portion of the polymerization tank (6), the sealing plate (31) is positioned on one side of the sewage discharge outlet (34), the sealing plate (31) is in running fit with the polymerization tank (6), the clamping plate (32) is in running fit with the sealing plate (31), the clamping nail (33) is fixed on the side surface of the polymerization tank (6), a clamping opening (35) is formed in the clamping plate (32), and the clamping opening (35) is clamped with the clamping nail (33).

5. The circuit board production wastewater treatment method according to claim 1, wherein a filter plate (36) is slidably disposed inside the filter tank (1), the filter plate (36) is located at one end close to the feeding pipe (3), an ultraviolet lamp (37) is disposed on the top of the filter tank (1), and the ultraviolet lamp (37) is electrically connected with the control cabinet (2).

6. The method for treating the circuit board production sewage according to claim 1, wherein an adsorption box (38) is slidably arranged inside the cooling adsorption tank (10), a feed inlet (39) is formed in the adsorption box (38), activated carbon is arranged inside the adsorption box (38), a pull rod (41) is rotatably arranged at one end of the adsorption box (38), an opening (42) is formed in the side surface of the cooling adsorption tank (10), a wall plate (43) is clamped at the opening (42), and one end of the pull rod (41) is rotatably connected with the side surface of one side of the wall plate (43).

7. The method for treating the circuit board production wastewater according to claim 6, wherein limiting rods (44) are symmetrically fixed on the side surface of the cooling adsorption tank (10), limiting grooves (45) are formed in the side surface of the adsorption box (38), the limiting rods (44) are located inside the limiting grooves (45), and the limiting rods (44) are in sliding fit with the limiting grooves (45).

8. The circuit board production wastewater treatment method according to claim 1, wherein the extraction assembly (9) comprises a second water pump (46) and a filter (47), the filter (47) is arranged at the input end and the output end of the second water pump (46), and the second water pump (46) is electrically connected with the control cabinet (2).

9. The method for treating the circuit board production sewage according to claim 1, wherein a second fan (48) is arranged on the side wall of the adsorption cooling and adsorption tank (10), a second ventilation opening (49) is arranged on the side surface of the adsorption cooling and adsorption tank (10), and the second fan (48) is electrically connected with the control cabinet (2).