CN116606033A

CN116606033A - Electroplating sewage treatment system

Info

Publication number: CN116606033A
Application number: CN202310770515.9A
Authority: CN
Inventors: 蔡代寿; 蔡汝建; 纪建竹; 户剑斌
Original assignee: Xiamen Ruijing Metal Product Co ltd
Current assignee: Xiamen Ruijing Metal Product Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-08-18

Abstract

The invention discloses an electroplating sewage treatment system, which relates to the technical field of electroplating sewage treatment and is suitable for treating and discharging electroplating sewage, and comprises a G1 nickel-containing wastewater treatment system; g2, a chromium-containing wastewater treatment system; g3, an acid copper wastewater treatment system; g4, a pretreatment cleaning water treatment system; g5, treating the wastewater of the aging liquid by using pyrocopper, alkali copper and pretreatment; and G6, deplating water, ground mixed drainage and a medicine dispensing system wastewater treatment system. The invention effectively controls the treatment cost of the electroplating sewage, reduces the treatment cost, improves the recovery rate of the sewage, ensures that the whole system is safe and simple to use, can realize standard discharge of solid and liquid wastes, classifies and treats the electroplating sewage with different components according to different pollutants in the electroplating sewage, efficiently treats the electroplating sewage, realizes the recycling of the components such as nickel, chromium, acid copper, pyrocopper, alkali copper and the like, and reduces the enterprise cost.

Description

Electroplating sewage treatment system

Technical Field

The invention relates to the technical field of electroplating sewage treatment, in particular to an electroplating sewage treatment system.

Background

The sources of electroplating wastewater are generally: (1) plating cleaning water; (2) waste plating solution; (3) Other waste water including flushing the floor of the workshop, scrubbing the polar plate washing water, ventilating equipment condensed water, and various bath liquids and drainage caused by 'running, overflowing, dripping and leaking' due to seepage or improper operation management of the plating bath; (4) The equipment cooling water is not polluted except the temperature rise in the use process, and the water quality and the water quantity of the electroplating wastewater are related to factors such as the process conditions of electroplating production, the production load, the operation management and the water consumption mode, so that the electroplating wastewater is often discharged after being treated.

The following problems exist in the prior art:

the electroplating wastewater has complex water quality and difficult control of components, contains chromium, cadmium, nickel, copper, zinc, gold, silver and other heavy metal ions, cyanide and the like, and belongs to cancerogenic, teratogenic and mutagenic extremely toxic substances, but the prior art generally adopts a physical and chemical method for treatment, has more treatment methods and is effective and not less, but can achieve the overall standard reaching and not more, wherein the production and treatment aspects of a plurality of wastewater, such as nickel-containing wastewater treatment, are considered; chromium-containing wastewater treatment; acid copper wastewater treatment; pretreatment of the cleaning water; treating wastewater of the aging liquid of the coke copper, the alkali copper and the pretreatment; the difficulty of standard discharge of deplating water, ground mixed drainage, and wastewater treatment of a dispensing system is high, so that an electroplating wastewater treatment system with high overall standard rate is needed.

Disclosure of Invention

The present invention is directed to an electroplating wastewater treatment system, which solves the problems set forth in the background art.

In order to solve the technical problems, the invention adopts the following technical scheme:

an electroplating sewage treatment system is suitable for treating and discharging electroplating sewage, and comprises a G1 nickel-containing wastewater treatment system; g2, a chromium-containing wastewater treatment system; g3, an acid copper wastewater treatment system; g4, a pretreatment cleaning water treatment system; g5, treating the wastewater of the aging liquid by using pyrocopper, alkali copper and pretreatment; and G6, deplating water, ground mixed drainage and a medicine dispensing system wastewater treatment system.

The technical scheme of the invention is further improved as follows: the G1 nickel-containing wastewater treatment system comprises a 0.38m raw water intermediate tank, a raw water booster pump, a 0.60m collecting tank, a primary reaction tank, a secondary reaction tank, a coagulation reaction tank, a flocculation reaction tank, a sedimentation tank, an intermediate tank, an intelligent filter, a PH regulating tank, a nickel-containing metering tank, a lifting pump, a dosing pump, a nickel-containing sludge press filter, a filter press sludge feeding pump, a 1.63m sludge conditioning tank, a sedimentation tank sludge discharging pump, a stirrer and a sludge scraper, wherein nickel-containing wastewater first-floor water in the 0.38m raw water intermediate tank is injected into the 0.60m collecting tank by matching with the raw water booster pump, nickel-containing wastewater second-floor water and acid mist waste gas spray wastewater are injected, the wastewater in the 0.60m collecting tank is conveyed into the primary reaction tank by using the stirrer for stirring, and medicaments are respectively added into the primary reaction tank by using the primary reaction tank ferrous sulfate booster pump, the primary reaction tank sodium hydroxide dosing pump and the vein breaker dosing pump, adjusting the PH value of the wastewater to 11.29, adding a medicament into a secondary reaction tank by using a stirrer and matching a sodium hydroxide medicament adding pump of the secondary reaction tank, adjusting the PH value to 11.12, adding the medicament into a coagulation reaction tank by using a stirrer and a PAC medicament adding pump of the coagulation tank, mixing the medicaments into a flocculation reaction tank by using the stirrer and a PAM medicament adding pump of the flocculation tank, then precipitating in a precipitation tank, treating the wastewater in two steps in the precipitation tank, guiding the wastewater to an intermediate tank by using the one-step treatment of the precipitation tank, sending the wastewater to a PH adjusting tank by using an intelligent filter, adding the medicaments into the precipitation tank by using the stirrer and a sulfuric acid medicament adding pump, adjusting the PH value to 4.27, then delivering the wastewater to a nickel-containing metering tank, switching the wastewater discharged into an inlet of the comprehensive precipitation tank, a discharging intermediate tank or switching the wastewater to a nickel-containing raw water intermediate tank in an emergency manner, and in addition, switching the wastewater to the intermediate tank in a path is communicated with the intermediate tank, and (3) a drainage pipeline of the intelligent filter, wherein the other step of treatment of the sedimentation tank is to discharge sludge to a 1.63m sludge conditioning tank by using a sludge scraper and a sedimentation tank sludge pump, add a reagent to mix and treat the sludge and wastewater discharged from a 0.60m collecting tank through an overflow pipeline by using a stirrer and a PAM dosing pump of the sludge conditioning tank, and press the wastewater in the sludge by using a nickel-containing sludge press filter and a filter press sludge inlet pump to complete nickel-containing wastewater treatment.

The technical scheme of the invention is further improved as follows: the G2 chromium-containing wastewater treatment system comprises a 0.59m raw water intermediate tank, a raw water booster pump, a 1.33m collecting tank, a primary reduction tank, a secondary reduction tank, a reaction tank, a coagulation reaction tank, two flocculation reaction tanks, a sedimentation tank, an intermediate tank, an intelligent filter, a PH regulating tank, a chromium-containing metering tank, a lifting pump, a dosing pump, a chromium-containing sludge filter press, a filter press sludge inlet pump, a 2.44m sludge regulating tank, a sedimentation tank sludge pump, a stirrer and a sludge scraper, the chromium-containing wastewater first floor in the 0.59m raw water intermediate tank is injected into the 1.33m collecting tank by matching with the raw water booster pump, chromium-containing wastewater second floor water and chromic acid waste gas spray wastewater are injected at the same time, the wastewater in the 1.33m collecting tank is conveyed into the primary reduction tank by using the lifting pump, the stirrer is stirred, and simultaneously medicaments are respectively added into the primary reduction tank by the sodium metabisulfite pump and the primary reduction tank sulfuric acid dosing pump, adjusting the PH value of wastewater to 2.54, ORP210, adding a reagent into a secondary reduction tank by using a stirrer, adding a sodium metabisulfite reagent pump, a secondary reduction tank sulfuric acid reagent pump and a ferrous sulfate reagent pump, adjusting the PH value to 2.77, ORP234, adding a reagent into a reaction tank by using a stirrer and a reaction tank sodium hydroxide reagent pump, stirring, adjusting the PH value to 11.28, stirring and mixing in a coagulation reaction tank by using a stirrer, adding a reagent and mixing in two flocculation reaction tanks by using a stirrer 1 and a flocculation tank PAM reagent pump respectively, stirring by using a single stirrer 2, precipitating in a precipitation tank, treating the wastewater in two steps in the precipitation tank, guiding the wastewater to an intermediate tank by one step of treatment in the precipitation tank, feeding the wastewater to a PH adjusting tank by using an intelligent filter, adding the reagent by using the stirrer and the sulfuric acid reagent pump, mixing, adjusting the PH value to 7.83, and delivering the wastewater to a chromium-containing metering tank, the discharged wastewater is switched to an inlet of a comprehensive sedimentation tank, to a discharge middle tank or to a chromium-containing raw water middle tank in an emergency manner, in addition, a middle tank and a drainage pipeline of an intelligent filter are communicated in a path of the nickel-containing raw water middle tank in an emergency manner, sludge is discharged to a 2.44m sludge conditioning tank by a sludge scraper and a sludge discharge pump of the sedimentation tank in another step of treatment, the sludge is mixed by adding a reagent through a PAM dosing pump of the stirring machine and the sludge conditioning tank, and the wastewater discharged from a 0.60m collecting tank through an overflow pipeline is pressed out by matching a chromium-containing sludge filter press and a filter press sludge inlet pump, so that the treatment of chromium-containing wastewater is completed.

The technical scheme of the invention is further improved as follows: the G3 acid copper wastewater treatment system comprises a 0.41m collecting tank, a first-stage broken-network tank, a second-stage broken-network tank, a first-stage reaction tank, a second-stage reaction tank, a coagulation reaction tank, two flocculation reaction tanks, a sedimentation tank, a middle tank, an intelligent filter, a PH regulating tank, a 0.69m discharging middle tank, a comprehensive sludge tank, an AB tank, an acid copper wastewater collecting tank, a lifting pump, a dosing pump, a stirrer and a mud scraper, wherein ground mixed drainage pretreated wastewater, deplating wastewater after pretreatment wastewater, coke copper wastewater pretreated wastewater, alkali copper wastewater pretreated wastewater, acid copper wastewater and tap water are injected into the 0.41m collecting tank, the wastewater in the 0.41m collecting tank is conveyed into the first-stage broken-network tank by the lifting pump, the stirring is performed by the stirrer, the medicament is added into the first-stage broken-network tank by the sulfuric acid pump of the first-stage broken-network tank, the PH value of the wastewater is adjusted to 2.69, adding a medicament into a secondary vein breaking tank by using a stirrer, adding a secondary vein breaking Chi Liusuan ferrous dosing pump and a secondary vein breaking tank sulfuric acid dosing pump, regulating the pH value to 2.48, adding the medicament into a primary reaction tank by using a stirrer and a primary vein breaking agent dosing pump, a sodium hydroxide dosing pump and a sodium sulfate dosing pump, stirring, regulating the pH value to 7.99, adding the medicament into a secondary reaction tank by using a stirrer, adding the sodium hydroxide dosing pump and a secondary reaction tank heavy-complement dosing pump into the secondary reaction tank, regulating the pH value to 11.89, adding the medicament into a coagulation reaction tank by using a coagulation tank PAM dosing pump, stirring and mixing, respectively adding the medicament into a two flocculation reaction tanks by using a stirrer 1 and a flocculation tank PAM dosing pump, stirring by using a single stirrer 2, precipitating in a precipitation tank, treating in two steps, guiding wastewater to an intermediate tank by one step treatment in the precipitation tank, then the waste water is sent to a PH regulating tank through an intelligent filter, a stirrer and a sulfuric acid dosing pump of the PH regulating tank are utilized to add medicaments for mixing, the PH value is adjusted to 8.16, three-way conveying is carried out, the waste water is respectively and emergently switched to an inlet of a comprehensive sedimentation tank, a 0.69m discharging middle tank is connected, the waste water is emergently switched to a copper acid waste water middle tank, a middle tank and a drainage pipeline of the intelligent filter are communicated in a copper acid waste water middle tank path, the 0.69m discharging middle tank is drained to an AB tank through a lifting pump 1 and a lifting pump 2 of the discharging tank, sludge is drained to the comprehensive sludge tank through a sludge scraper in the other step of treatment of the sedimentation tank, the treatment of copper acid waste water is completed, and PAC and PAM are conducive to flocculation sedimentation of tiny particles.

The technical scheme of the invention is further improved as follows: the G4 pretreatment cleaning water treatment system comprises a 0.31m collecting tank, an acidification tank, two reaction tanks 1, two reaction tanks 2, a coagulation reaction tank, a flocculation reaction tank, a sedimentation tank, an intermediate tank, an intelligent filter, a PH regulating tank, a lifting pump, a dosing pump, a comprehensive sludge press filter, a filter press mud feeding pump, a 0.39m sludge conditioning tank, a 1.20m comprehensive sludge tank, a comprehensive sludge lifting pump, an AB tank, a stirrer and a mud scraper, wherein the wastewater after pretreatment aging liquid pretreatment, pretreatment cleaning water and workshop water are injected into the 0.31m collecting tank, the wastewater in the 0.31m collecting tank is conveyed to the acidification tank by the lifting pump, stirring is performed by the stirrer, meanwhile, a medicament is added into the acidification tank by the sulfuric acid dosing pump, the PH value of the wastewater is adjusted to 1.84 by the ferrous sulfate dosing pump, the medicament is respectively stirred in the reaction tank 1 by the stirring machine 1, the complex alkali dosing pump is added into the front reaction tank 2 by the vein breaker dosing pump and the complex alkali dosing pump, the pH value is further stirred by the stirring machine 1, the pH value is further stirred by the stirring machine, the pH value is adjusted by the stirring machine in the stirring tank by the stirring machine of the stirring tank, the pH value is further adjusted by the two stirring tank, the pH value is further stirred by the stirring machine is adjusted by the stirring tank, the pH value is mixed with the pH value is adjusted by the stirring machine in the stirring tank 2, the two-7 is mixed sedimentation tank, the pH value is adjusted by the stirring tank is mixed by the stirring tank, the pH value is adjusted by the two-7, the pH value is mixed by the stirring tank is adjusted by the stirring tank, the pH value is adjusted by the stirring agent is in the pH tank is 2, the pH value is mixed by the pH tank is adjusted by the pH tank, and the pH tank is adjusted by the pH tank is in the pH tank 1, and the pH tank is adjusted by the pH tank and the pH tank is 2, and then the sludge is guided into a 0.39m sludge conditioning tank by using a comprehensive sludge lifting pump, the sludge is mixed and treated by adding medicaments by using a stirrer and a PAM dosing pump of the sludge conditioning tank, and the wastewater in the sludge is pressed out by matching a filter press sludge inlet pump with a comprehensive sludge filter press, so that the pretreatment of the cleaning water is completed.

The technical scheme of the invention is further improved as follows: the G5 pyrocopper, alkali copper and pretreatment aging liquid wastewater treatment system is divided into a pyrocopper wastewater treatment system, an alkali copper wastewater treatment system and a pretreatment aging liquid wastewater treatment system, wherein the pyrocopper wastewater treatment system comprises a 0.42m pyrocopper wastewater collection tank, a primary oxidation tank, a secondary oxidation tank, a dosing pump, a lifting pump, a stirrer and an acid copper wastewater collection tank, the pyrocopper wastewater and workshop water are collected through the 0.42m pyrocopper wastewater collection tank, the wastewater is conveyed to the primary oxidation tank by the lifting pump, a medicament is added by a sodium hypochlorite dosing pump and a sulfuric acid dosing pump and is matched with the stirrer for stirring, the pH value is adjusted to 5.54, ORP1040 is adjusted, the medicament is added in the secondary oxidation tank by the sodium hypochlorite dosing pump and the sulfuric acid dosing pump and is matched with the stirrer for stirring, the pH value is adjusted to 3.14, 1187, and the treated wastewater is discharged to the acid copper wastewater collection tank to complete the treatment of the pyrocopper wastewater.

The technical scheme of the invention is further improved as follows: the alkali copper wastewater treatment system comprises a 0.31m alkali copper wastewater collection tank, a first-stage cyanide breaking tank, a second-stage cyanide breaking tank, a dosing pump, a lifting pump, a stirrer and an acid copper wastewater collection tank, wherein alkali copper wastewater and workshop incoming water are collected through the 0.31m alkali copper wastewater collection tank, the waste water is conveyed to the first-stage cyanide breaking tank by the lifting pump, chemicals are added by a sodium hypochlorite dosing pump and a sodium hydroxide dosing pump and stirred by a stirrer, the pH value is adjusted to 10.72, ORP693, the chemicals are added by the sodium hypochlorite dosing pump and a sulfuric acid dosing pump in the second-stage cyanide breaking tank and stirred by the stirrer, the pH value is adjusted to 6.26, ORP984, and the treated waste water is discharged to the acid copper wastewater collection tank to complete the treatment of the alkali copper waste water.

The technical scheme of the invention is further improved as follows: the pretreatment aging liquid wastewater treatment system comprises a 0.48m collecting tank 1, a 1.99m collecting tank 2, a 1.35m acidification tank, a 0.24m reaction tank, a filter press mud feeding pump, a pretreatment sludge press filter, a pretreatment cleaning water collecting tank, a lifting pump, a stirrer and a dosing pump, wherein pretreatment aging liquid first-floor water and pretreatment aging liquid second-floor water are respectively collected through the 0.48m collecting tank 1 and the 1.99m collecting tank 2, then wastewater is conveyed to the 1.35m acidification tank by the lifting pump 1 and the lifting pump 2 respectively, the pH value of the wastewater is treated to 0.00 by the aid of the sulfuric acid dosing pump, the wastewater is conveyed to the 0.24m reaction tank by the lifting pump 3, the chemical is added to the 0.24m reaction tank by the aid of the composite alkali dosing pump, the PAC dosing pump, the ferrous sulfate dosing pump and the PAM dosing pump, the pH value is adjusted to 0.71 by the stirrer, the wastewater is conveyed to the pretreatment sludge press filter by the aid of the filter press, and the wastewater is discharged to the pretreatment collecting tank after the wastewater is treated.

The technical scheme of the invention is further improved as follows: the G6 deplating water, ground mixed drainage and medicine dispensing system wastewater treatment system comprises a 0.65m raw water intermediate tank, a raw water booster pump, a 0.82m collecting tank, a primary reduction tank, a secondary reduction tank, a primary reaction tank, a secondary reaction tank, a coagulation reaction tank, a flocculation reaction tank, a sedimentation tank, a comprehensive sludge tank, a lifting pump, a medicine adding pump, an acid copper wastewater collecting tank, a stirrer and a mud scraper, wherein the raw water intermediate tank is used for storing ground mixed drainage first-floor water, the raw water booster pump is used for conveying wastewater to the 0.82m collecting tank, the deplating water second-floor water and ground mixed drainage second-floor water are also injected, the lifting pump is used for guiding the wastewater into the primary reduction tank, the sodium metabisulfite medicine adding pump of the primary reduction tank is used for adding medicine to the primary reduction tank and mixing the medicine with the stirrer, adjusting ORP to 222, adding a medicament by using a sodium metabisulfite dosing pump of a secondary reduction tank and a stirrer to stir in a matched manner, adjusting ORP to 237, adding the medicament by using a ferrous sulfate dosing pump of the primary reaction tank to mix with the stirrer in a matched manner, adding the medicament by using a sodium hydroxide dosing pump and a sodium sulfate dosing pump of the secondary reaction tank to mix with the stirrer in the secondary reaction tank, adjusting the pH value to 11.56, adding the medicament by using a PAC dosing pump of a coagulation tank to stir with the stirrer in a matched manner, adding a PAM dosing pump of a flocculation tank to stir with the stirrer in the flocculation reaction tank, precipitating in a precipitation tank, discharging wastewater to an acid copper wastewater collection tank, and discharging sludge into a comprehensive sludge tank by using a sludge scraper.

By adopting the technical scheme, compared with the prior art, the invention has the following technical progress:

1. the invention provides an electroplating sewage treatment system, which effectively controls the treatment cost of electroplating sewage, reduces the treatment cost, improves the recovery rate of sewage, is safe and simple to use and can realize standard discharge of solid and liquid wastes.

2. The invention provides a plating sewage treatment system, which classifies and treats plating sewage with different components according to different pollutants contained in the plating sewage, efficiently treats the plating sewage, realizes recycling of nickel, chromium, acid copper, coke copper, alkali copper and other components, and reduces the enterprise cost.

3. The invention provides an electroplating sewage treatment system which is used for reasonably classifying and scientifically adjusting medicaments, matching with the setting of a stirrer and carrying out high-speed reaction adjustment on wastewater, improving the mixing effect on sewage and treatment liquid, reducing the mixing time, and ensuring that the wastewater treatment effect in the system is better and the efficiency is higher.

4. The invention provides an electroplating sewage treatment system, which enables most of impurities and metal ions in electroplating sewage to be separated, is convenient for directly recycling the treated sewage, improves the treatment efficiency of the electroplating sewage, has low cost, short treatment time and convenient operation and maintenance, and can be widely applied to pretreatment and deep treatment of the electroplating sewage.

Drawings

FIG. 1 is a system application pattern of the present invention;

FIG. 2 is a flow chart of nickel-containing wastewater treatment according to the present invention;

FIG. 3 is a flow chart of the chromium-containing wastewater treatment process of the present invention;

FIG. 4 is a flow chart of the acid copper wastewater treatment of the invention;

FIG. 5 is a flow chart of the pretreatment cleaning water treatment of the present invention;

FIG. 6 is a flow chart of the treatment of the copper coke wastewater of the invention;

FIG. 7 is a flow chart of the treatment of the alkaline copper wastewater of the invention;

FIG. 8 is a flow chart of the pretreatment of the aging liquid wastewater treatment of the present invention;

FIG. 9 is a flow chart of wastewater treatment of the stripping water, ground mixed water and dispensing system of the invention.

Detailed Description

The invention is further illustrated by the following examples:

1-9, the present invention provides a plating wastewater treatment system suitable for treating and discharging plating wastewater, comprising a G1 nickel-containing wastewater treatment system; g2, a chromium-containing wastewater treatment system; g3, an acid copper wastewater treatment system; g4, a pretreatment cleaning water treatment system; g5, treating the wastewater of the aging liquid by using pyrocopper, alkali copper and pretreatment; and G6, deplating water, ground mixed drainage and a medicine dispensing system wastewater treatment system.

Further, the G1 nickel-containing wastewater treatment system comprises a 0.38m raw water intermediate tank, a raw water booster pump, a 0.60m collecting tank, a primary reaction tank, a secondary reaction tank, a coagulation reaction tank, a flocculation reaction tank, a sedimentation tank, an intermediate tank, an intelligent filter, a PH regulating tank, a nickel-containing metering tank, a lifting pump, a dosing pump, a nickel-containing sludge press filter, a filter press sludge feeding pump, a 1.63m sludge conditioning tank, a sedimentation tank sludge discharging pump, a stirrer and a sludge scraper, the nickel-containing wastewater first floor in the 0.38m raw water intermediate tank is injected into the 0.60m collecting tank in cooperation with the raw water booster pump, the nickel-containing wastewater second floor water and acid mist waste gas are injected into the collecting tank, the wastewater in the 0.60m collecting tank is conveyed into the primary reaction tank by the lifting pump, the stirring is performed by the stirrer, and the medicaments are respectively added into the primary reaction tank by the primary reaction tank ferrous sulfate booster pump, the primary reaction tank sodium hydroxide dosing pump and the vein breaker dosing pump, adjusting the PH value of the wastewater to 11.29, adding a medicament into a secondary reaction tank by using a stirrer and matching a sodium hydroxide medicament adding pump of the secondary reaction tank, adjusting the PH value to 11.12, adding the medicament into a coagulation reaction tank by using a stirrer and a PAC medicament adding pump of the coagulation tank, mixing the medicaments into a flocculation reaction tank by using the stirrer and a PAM medicament adding pump of the flocculation tank, then precipitating in a precipitation tank, treating the wastewater in two steps in the precipitation tank, guiding the wastewater to an intermediate tank by using the one-step treatment of the precipitation tank, sending the wastewater to a PH adjusting tank by using an intelligent filter, adding the medicaments into the precipitation tank by using the stirrer and a sulfuric acid medicament adding pump, adjusting the PH value to 4.27, then delivering the wastewater to a nickel-containing metering tank, switching the wastewater discharged into an inlet of the comprehensive precipitation tank, a discharging intermediate tank or switching the wastewater to a nickel-containing raw water intermediate tank in an emergency manner, and in addition, switching the wastewater to the intermediate tank in a path is communicated with the intermediate tank, A drainage pipeline of the intelligent filter, a sedimentation tank for the other step of treatment, a mud scraper and a sedimentation tank mud pump are used for discharging the mud to a 1.63m mud conditioning tank, a stirrer and a PAM dosing pump of the mud conditioning tank are used for adding medicaments to mix and treat the mud and the wastewater discharged from a 0.60m collecting tank through an overflow pipeline, the nickel-containing sludge filter press is matched with a sludge inlet pump of the filter press to press out wastewater in the sludge, so that nickel-containing wastewater treatment is completed, medicament adjustment is reasonably graded and scientifically performed, and high-speed reaction adjustment of the wastewater is performed by matching with the setting of a stirrer.

Further, the G2 chromium-containing wastewater treatment system comprises a 0.59m raw water intermediate tank, a raw water booster pump, a 1.33m collecting tank, a primary reduction tank, a secondary reduction tank, a reaction tank, a coagulation reaction tank, two flocculation reaction tanks, a sedimentation tank, an intermediate tank, an intelligent filter, a PH regulating tank, a chromium-containing metering tank, a lifting pump, a dosing pump, a chromium-containing sludge press filter, a filter press mud pump, a 2.44m sludge regulating tank, a sedimentation tank mud pump, a stirrer and a mud scraper, wherein the raw water booster pump is matched to inject chromium-containing wastewater first-floor water in the 0.59m raw water intermediate tank into the 1.33m collecting tank, chromium-containing wastewater second-floor water and chromic acid waste gas are injected into the primary reduction tank to spray wastewater, the lifting pump is utilized to convey the wastewater in the 1.33m collecting tank to the primary reduction tank, the stirrer is utilized to stir, and simultaneously, medicaments are respectively added into the primary reduction tank through the sodium metabisulfite booster pump of the primary reduction tank and the sulfuric acid dosing pump of the primary reduction tank, adjusting the PH value of wastewater to 2.54, ORP210, adding medicament by a mixer in a secondary reduction tank matched with a sodium metabisulfite medicament adding pump of the secondary reduction tank, a sulfuric acid medicament adding pump of the secondary reduction tank and a ferrous sulfate medicament adding pump of the secondary reduction tank, adjusting the PH value to 2.77, ORP234, adding medicament by a mixer and a sodium hydroxide medicament adding pump of the reaction tank to mix in a reaction tank, adjusting the PH value to 11.28, mixing in a coagulation reaction tank by a mixer, adding medicament by a mixer 1 and a PAM medicament adding pump of the flocculation tank to mix in two flocculation reaction tanks and a single mixer 2 to mix, then precipitating in a precipitation tank, treating the wastewater in two steps in the precipitation tank, guiding the wastewater to an intermediate tank by one step of treatment of the precipitation tank, sending the wastewater to a PH adjusting tank by an intelligent filter, adding medicament by the mixer and the sulfuric acid medicament adding pump to mix, adjusting the PH value to 7.83, and then the waste water is conveyed to a chromium-containing metering tank, the discharged waste water is switched to an inlet of a comprehensive sedimentation tank, to a discharge middle tank or to a chromium-containing raw water middle tank in an emergency manner, in addition, the waste water is switched to a drainage pipeline which is communicated with the middle tank and an intelligent filter in a path of the nickel-containing raw water middle tank in an emergency manner, sludge is discharged to a 2.44m sludge conditioning tank by a sludge scraper and a sludge discharge pump of the sedimentation tank in another step of treatment, the sludge is mixed with a reagent by using a stirrer and a PAM dosing pump of the sludge conditioning tank, and the waste water discharged from a 0.60m collecting tank through an overflow pipeline is mixed, a chromium-containing sludge filter press is matched with a filter press sludge inlet pump, the waste water in the sludge is pressed out, and the treatment of the chromium-containing waste water is completed, so that most impurities and metal ions in electroplating waste water are separated, and the treated waste water is convenient to directly recycle.

Further, the G3 acid copper wastewater treatment system comprises a 0.41m collecting tank, a first-stage vein breaking tank, a second-stage vein breaking tank, a first-stage reaction tank, a second-stage reaction tank, a coagulation reaction tank, two flocculation reaction tanks, a sedimentation tank, an intermediate tank, an intelligent filter, a PH regulating tank, a 0.69m discharging intermediate tank, a comprehensive sludge tank, an AB tank, an acid copper wastewater collecting tank, a lifting pump, a dosing pump, a stirrer and a mud scraper, ground mixed drainage pretreated wastewater, deplating wastewater pretreated wastewater, pyrocopper wastewater pretreated wastewater, alkaline copper wastewater pretreated wastewater, acid copper wastewater and workshop water are injected into the 0.41m collecting tank, the wastewater in the 0.41m collecting tank is conveyed into the first-stage vein breaking tank by the lifting pump, the stirring is performed by the stirrer, meanwhile, the medicament is added into the first-stage vein breaking tank by the sulfuric acid pump of the first-stage vein breaking tank, the PH value of the wastewater is adjusted to 2.69, adding a medicament into a secondary vein breaking tank by using a stirrer, adding a secondary vein breaking Chi Liusuan ferrous dosing pump and a secondary vein breaking tank sulfuric acid dosing pump, regulating the pH value to 2.48, adding the medicament into a primary reaction tank by using a stirrer and a primary vein breaking agent dosing pump, a sodium hydroxide dosing pump and a sodium sulfate dosing pump, stirring, regulating the pH value to 7.99, adding the medicament into a secondary reaction tank by using a stirrer, adding the sodium hydroxide dosing pump and a secondary reaction tank heavy-complement dosing pump into the secondary reaction tank, regulating the pH value to 11.89, adding the medicament into a coagulation reaction tank by using a coagulation tank PAM dosing pump, stirring and mixing, respectively adding the medicament into a two flocculation reaction tanks by using a stirrer 1 and a flocculation tank PAM dosing pump, stirring by using a single stirrer 2, precipitating in a precipitation tank, treating in two steps, guiding wastewater to an intermediate tank by one step treatment in the precipitation tank, then the waste water is sent to a PH regulating tank through an intelligent filter, a stirrer and a sulfuric acid dosing pump of the PH regulating tank are utilized to add medicaments for mixing, the PH value is adjusted to 8.16, three-way conveying is carried out, the waste water is respectively and emergently switched to an inlet of a comprehensive sedimentation tank, a 0.69m discharging middle tank is connected, the waste water is emergently switched to a copper acid waste water middle tank, a middle tank and a drainage pipeline of the intelligent filter are communicated in a copper acid waste water middle tank path, the 0.69m discharging middle tank is drained to an AB tank through a drainage tank lifting pump 1 and a lifting pump 2, sludge is drained to the comprehensive sludge tank through a sludge scraper in the other step of treatment of the sedimentation tank, and the treatment of the copper acid waste water is completed.

Further, the G4 pretreatment cleaning water treatment system comprises a 0.31m collecting tank, an acidification tank, two reaction tanks 1, two reaction tanks 2, a coagulation reaction tank, a flocculation reaction tank, a sedimentation tank, an intermediate tank, an intelligent filter, a PH regulating tank, a lifting pump, a dosing pump, a comprehensive sludge press filter, a filter press mud feeding pump, a 0.39m sludge conditioning tank, a 1.20m comprehensive sludge tank, a comprehensive sludge lifting pump, an AB tank, a stirrer and a mud scraper, the wastewater after pretreatment aging liquid pretreatment, pretreatment cleaning water and workshop water are injected into the 0.31m collecting tank, the wastewater in the 0.31m collecting tank is conveyed into the acidification tank by the lifting pump, the stirring machine is utilized, meanwhile, the medicament is added into the acidification tank by the sulfuric acid dosing pump, the PH regulating tank is adjusted to 1.84 by the ferrous sulfate dosing pump, the medicament is respectively stirred in the reaction tank 1 by the stirring machine 1 and the stirring machine 2, the pre-reaction tank is fed into the reaction tank 2 by the complex alkali dosing pump by the medicament breaking agent dosing pump and the stirring machine, the pH regulating tank is further stirred by the stirring machine, the pH value of the two stirring machines are respectively added into the stirring machine 1 and the stirring machine, the pH regulating tank is further stirred by the stirring machine, the pH regulating tank is added into the pH regulating tank by the stirring machine, the pH value of the stirring machine is mixed sedimentation tank by the stirring agent is added into the stirring tank by the stirring tank, the pH regulating tank and the pH regulating tank is mixed with the medicament in the pH regulating tank by the pH value of the pH tank 1, the pH regulating tank by the two-1 and the pH regulating tank by the pH tank, the pH value is mixed tank and the pH tank by the 13, the other step of treatment of the sedimentation tank is to discharge the sludge to a 1.20m comprehensive sludge tank by utilizing a sludge scraper, then to guide the sludge into a 0.39m sludge conditioning tank by utilizing a comprehensive sludge lifting pump, to add a medicament to mix and treat the sludge by utilizing a stirrer and a PAM dosing pump of the sludge conditioning tank, to press out wastewater in the sludge by utilizing a filter press to match with a sludge feeding pump and a comprehensive sludge press filter, and to finish the treatment of pretreatment cleaning water.

Further, the G5 pyrocopper, alkali copper and pretreatment aging liquid wastewater treatment system is divided into a pyrocopper wastewater treatment system, an alkali copper wastewater treatment system and a pretreatment aging liquid wastewater treatment system, wherein the pyrocopper wastewater treatment system comprises a 0.42m pyrocopper wastewater collection tank, a primary oxidation tank, a secondary oxidation tank, a dosing pump, a lifting pump, a stirrer and an acid copper wastewater collection tank, the pyrocopper wastewater and workshop water are collected by the 0.42m pyrocopper wastewater collection tank, the wastewater is conveyed to the primary oxidation tank by the lifting pump, the dosing pump and the sulfuric acid dosing pump are used for adding medicaments and stirring by matching with the stirrer, the pH value is adjusted to 5.54, ORP1040 is adjusted, the dosing pump and the sulfuric acid dosing pump are used for adding medicaments and stirring by matching with the stirrer in the secondary oxidation tank, the pH value is adjusted to 3.14, 1187, the treated wastewater is discharged to the acid copper wastewater collection tank, the treatment of the pyrocopper wastewater is completed, the alkali copper wastewater treatment system comprises a 0.31m alkali copper wastewater collection tank, a first-stage cyanide breaking tank, a second-stage cyanide breaking tank, a dosing pump, a lifting pump, a stirrer and an acid copper wastewater collection tank, wherein the alkali copper wastewater and workshop incoming water are collected by the 0.31m alkali copper wastewater collection tank, the wastewater is conveyed to the first-stage cyanide breaking tank by the lifting pump, a sodium hypochlorite dosing pump and a sodium hydroxide dosing pump are added with medicaments and stirred by a stirrer, the pH value is adjusted to 10.72, ORP693, the sodium hypochlorite dosing pump and a sulfuric acid dosing pump are added into the second-stage cyanide breaking tank and stirred by the medicament matched stirrer, the pH value is adjusted to 6.26, ORP984 is discharged to the acid copper wastewater collection tank, and the alkali copper wastewater treatment is completed, and the pretreatment aging liquid wastewater treatment system comprises a 0.48m collection tank 1, a 1.99m collection tank 2, a 1.35m acidification tank, a 0.24m reaction tank, a filter press mud feeding pump, a pretreatment sludge press, a pretreatment cleaning water tank and the like, the method comprises the steps of respectively collecting first-floor pretreatment aging liquid water and second-floor pretreatment aging liquid water through a 0.48m collecting tank 1 and a 1.99m collecting tank 2, respectively utilizing the lifting pump 1 and the lifting pump 2 to convey waste water to a 1.35m acidification tank, adding a medicament to treat the waste water to a pH value of 0.00 by matching with a sulfuric acid dosing pump, conveying the waste water to a 0.24m reaction tank by utilizing the lifting pump 3, adding the medicament to the 0.24m reaction tank by utilizing a compound alkali dosing pump, a PAC dosing pump, a ferrous sulfate dosing pump and a PAM dosing pump, mixing the waste water to a pH value of 0.71 by utilizing the stirring machine, conveying the waste water to a pretreatment sludge filter press by utilizing a filter press to treat the waste water, and discharging the treated waste water to a pretreatment clear water collecting tank.

Further, the G6 deplating water, ground mixed drainage and dispensing system wastewater treatment system comprises a 0.65m raw water intermediate tank, a raw water booster pump, a 0.82m collecting tank, a primary reduction tank, a secondary reduction tank, a primary reaction tank, a secondary reaction tank, a coagulation reaction tank, a flocculation reaction tank, a sedimentation tank, a comprehensive sludge tank, a lifting pump, a dosing pump, an acid copper wastewater collecting tank, a stirrer and a mud scraper, water is stored in the ground mixed drainage first floor through the 0.65m raw water intermediate tank, wastewater is sent to the 0.82m collecting tank by the raw water booster pump, meanwhile, the deplating water second floor is also injected to water by the raw water booster pump and the ground mixed drainage second floor is injected by the lifting pump, the wastewater is led into the primary reduction tank, the chemical is added into the primary reduction tank by the primary reduction tank sodium metabisulfite dosing pump and is matched with the stirrer, the chemical is adjusted to 222, the ORP is adjusted to the first reduction tank by the secondary reduction tank sodium metabisulfite dosing pump and the stirrer, the chemical is added into the first reaction tank, the chemical is stirred by the stirring machine, the ORP is adjusted to 237, the first reaction tank is filled with the ferrous sulfate in the primary reaction tank by the ferrous sulfate dosing pump, the chemical is matched with the chemical pump, the pH is mixed in the first reduction tank and the second reaction tank is matched with the chemical pump, the chemical is added into the pH is stirred to the second reaction tank by the chemical tank by the stirring machine, the chemical is mixed with the chemical tank is mixed by the chemical tank, the chemical is added into the second sodium salt tank by the chemical tank, the chemical tank is mixed tank is stirred by the chemical tank and the chemical tank is mixed by the chemical tank, the chemical tank is stirred by the chemical tank and the chemical tank.

Furthermore, the related medicaments are mixed and dispensed by a dispensing tank and a stirrer before being added, and the whole system is safe and simple to use, can realize standard discharge of solid and liquid wastes, can efficiently treat electroplating sewage, and can realize recycling of nickel, chromium, acid copper, pyrocopper, alkali copper and other components.

The foregoing invention has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. An electroplating sewage treatment system is applicable to the treatment and discharge of electroplating sewage, and is characterized in that: comprises a G1 nickel-containing wastewater treatment system; g2, a chromium-containing wastewater treatment system; g3, an acid copper wastewater treatment system; g4, a pretreatment cleaning water treatment system; g5, treating the wastewater of the aging liquid by using pyrocopper, alkali copper and pretreatment; and G6, deplating water, ground mixed drainage and a medicine dispensing system wastewater treatment system.

2. An electroplating effluent treatment system according to claim 1, wherein: the G1 nickel-containing wastewater treatment system comprises a 0.38m raw water intermediate tank, a raw water booster pump, a 0.60m collecting tank, a primary reaction tank, a secondary reaction tank, a coagulation reaction tank, a flocculation reaction tank, a sedimentation tank, an intermediate tank, an intelligent filter, a PH regulating tank, a nickel-containing metering tank, a lifting pump, a dosing pump, a nickel-containing sludge press filter, a filter press sludge feeding pump, a 1.63m sludge conditioning tank, a sedimentation tank sludge discharging pump, a stirrer and a sludge scraper, wherein nickel-containing wastewater first-floor water in the 0.38m raw water intermediate tank is injected into the 0.60m collecting tank by matching with the raw water booster pump, nickel-containing wastewater second-floor water and acid mist waste gas spray wastewater are injected, the wastewater in the 0.60m collecting tank is conveyed into the primary reaction tank by using the stirrer for stirring, and medicaments are respectively added into the primary reaction tank by using the primary reaction tank ferrous sulfate booster pump, the primary reaction tank sodium hydroxide dosing pump and the vein breaker dosing pump, adjusting the PH value of the wastewater to 11.29, adding a medicament into a secondary reaction tank by using a stirrer and matching a sodium hydroxide medicament adding pump of the secondary reaction tank, adjusting the PH value to 11.12, adding the medicament into a coagulation reaction tank by using a stirrer and a PAC medicament adding pump of the coagulation tank, mixing the medicaments into a flocculation reaction tank by using the stirrer and a PAM medicament adding pump of the flocculation tank, then precipitating in a precipitation tank, treating the wastewater in two steps in the precipitation tank, guiding the wastewater to an intermediate tank by using the one-step treatment of the precipitation tank, sending the wastewater to a PH adjusting tank by using an intelligent filter, adding the medicaments into the precipitation tank by using the stirrer and a sulfuric acid medicament adding pump, adjusting the PH value to 4.27, then delivering the wastewater to a nickel-containing metering tank, switching the wastewater discharged into an inlet of the comprehensive precipitation tank, a discharging intermediate tank or switching the wastewater to a nickel-containing raw water intermediate tank in an emergency manner, and in addition, switching the wastewater to the intermediate tank in a path is communicated with the intermediate tank, and (3) a drainage pipeline of the intelligent filter, wherein the other step of treatment of the sedimentation tank is to discharge sludge to a 1.63m sludge conditioning tank by using a sludge scraper and a sedimentation tank sludge pump, add a reagent to mix and treat the sludge and wastewater discharged from a 0.60m collecting tank through an overflow pipeline by using a stirrer and a PAM dosing pump of the sludge conditioning tank, and press the wastewater in the sludge by using a nickel-containing sludge press filter and a filter press sludge inlet pump to complete nickel-containing wastewater treatment.

3. An electroplating effluent treatment system according to claim 1, wherein: the G2 chromium-containing wastewater treatment system comprises a 0.59m raw water intermediate tank, a raw water booster pump, a 1.33m collecting tank, a primary reduction tank, a secondary reduction tank, a reaction tank, a coagulation reaction tank, two flocculation reaction tanks, a sedimentation tank, an intermediate tank, an intelligent filter, a PH regulating tank, a chromium-containing metering tank, a lifting pump, a dosing pump, a chromium-containing sludge filter press, a filter press sludge inlet pump, a 2.44m sludge regulating tank, a sedimentation tank sludge pump, a stirrer and a sludge scraper, the chromium-containing wastewater first floor in the 0.59m raw water intermediate tank is injected into the 1.33m collecting tank by matching with the raw water booster pump, chromium-containing wastewater second floor water and chromic acid waste gas spray wastewater are injected at the same time, the wastewater in the 1.33m collecting tank is conveyed into the primary reduction tank by using the lifting pump, the stirrer is stirred, and simultaneously medicaments are respectively added into the primary reduction tank by the sodium metabisulfite pump and the primary reduction tank sulfuric acid dosing pump, adjusting the PH value of wastewater to 2.54, ORP210, adding a reagent into a secondary reduction tank by using a stirrer, adding a sodium metabisulfite reagent pump, a secondary reduction tank sulfuric acid reagent pump and a ferrous sulfate reagent pump, adjusting the PH value to 2.77, ORP234, adding a reagent into a reaction tank by using a stirrer and a reaction tank sodium hydroxide reagent pump, stirring, adjusting the PH value to 11.28, stirring and mixing in a coagulation reaction tank by using a stirrer, adding a reagent and mixing in two flocculation reaction tanks by using a stirrer 1 and a flocculation tank PAM reagent pump respectively, stirring by using a single stirrer 2, precipitating in a precipitation tank, treating the wastewater in two steps in the precipitation tank, guiding the wastewater to an intermediate tank by one step of treatment in the precipitation tank, feeding the wastewater to a PH adjusting tank by using an intelligent filter, adding the reagent by using the stirrer and the sulfuric acid reagent pump, mixing, adjusting the PH value to 7.83, and delivering the wastewater to a chromium-containing metering tank, the discharged wastewater is switched to an inlet of a comprehensive sedimentation tank, to a discharge middle tank or to a chromium-containing raw water middle tank in an emergency manner, in addition, a middle tank and a drainage pipeline of an intelligent filter are communicated in a path of the nickel-containing raw water middle tank in an emergency manner, sludge is discharged to a 2.44m sludge conditioning tank by a sludge scraper and a sludge discharge pump of the sedimentation tank in another step of treatment, the sludge is mixed by adding a reagent through a PAM dosing pump of the stirring machine and the sludge conditioning tank, and the wastewater discharged from a 0.60m collecting tank through an overflow pipeline is pressed out by matching a chromium-containing sludge filter press and a filter press sludge inlet pump, so that the treatment of chromium-containing wastewater is completed.

4. An electroplating effluent treatment system according to claim 1, wherein: the G3 acid copper wastewater treatment system comprises a 0.41m collecting tank, a first-stage broken-network tank, a second-stage broken-network tank, a first-stage reaction tank, a second-stage reaction tank, a coagulation reaction tank, two flocculation reaction tanks, a sedimentation tank, a middle tank, an intelligent filter, a PH regulating tank, a 0.69m discharging middle tank, a comprehensive sludge tank, an AB tank, an acid copper wastewater collecting tank, a lifting pump, a dosing pump, a stirrer and a mud scraper, wherein ground mixed drainage pretreated wastewater, deplating wastewater after pretreatment wastewater, coke copper wastewater pretreated wastewater, alkali copper wastewater pretreated wastewater, acid copper wastewater and tap water are injected into the 0.41m collecting tank, the wastewater in the 0.41m collecting tank is conveyed into the first-stage broken-network tank by the lifting pump, the stirring is performed by the stirrer, the medicament is added into the first-stage broken-network tank by the sulfuric acid pump of the first-stage broken-network tank, the PH value of the wastewater is adjusted to 2.69, adding a medicament into a secondary vein breaking tank by using a stirrer, adding a secondary vein breaking Chi Liusuan ferrous dosing pump and a secondary vein breaking tank sulfuric acid dosing pump, regulating the pH value to 2.48, adding the medicament into a primary reaction tank by using a stirrer and a primary vein breaking agent dosing pump, a sodium hydroxide dosing pump and a sodium sulfate dosing pump, stirring, regulating the pH value to 7.99, adding the medicament into a secondary reaction tank by using a stirrer, adding the sodium hydroxide dosing pump and a secondary reaction tank heavy-complement dosing pump into the secondary reaction tank, regulating the pH value to 11.89, adding the medicament into a coagulation reaction tank by using a coagulation tank PAM dosing pump, stirring and mixing, respectively adding the medicament into a two flocculation reaction tanks by using a stirrer 1 and a flocculation tank PAM dosing pump, stirring by using a single stirrer 2, precipitating in a precipitation tank, treating in two steps, guiding wastewater to an intermediate tank by one step treatment in the precipitation tank, then the waste water is sent to a PH regulating tank through an intelligent filter, a stirrer and a sulfuric acid dosing pump of the PH regulating tank are utilized to add medicaments for mixing, the PH value is adjusted to 8.16, three-way conveying is carried out, the waste water is respectively and emergently switched to an inlet of a comprehensive sedimentation tank, a 0.69m discharging middle tank is connected, the waste water is emergently switched to a copper acid waste water middle tank, a middle tank and a drainage pipeline of the intelligent filter are communicated in a copper acid waste water middle tank path, the 0.69m discharging middle tank is drained to an AB tank through a drainage tank lifting pump 1 and a lifting pump 2, sludge is drained to the comprehensive sludge tank through a sludge scraper in the other step of treatment of the sedimentation tank, and the treatment of the copper acid waste water is completed.

5. An electroplating effluent treatment system according to claim 1, wherein: the G4 pretreatment cleaning water treatment system comprises a 0.31m collecting tank, an acidification tank, two reaction tanks 1, two reaction tanks 2, a coagulation reaction tank, a flocculation reaction tank, a sedimentation tank, an intermediate tank, an intelligent filter, a PH regulating tank, a lifting pump, a dosing pump, a comprehensive sludge press filter, a filter press mud feeding pump, a 0.39m sludge conditioning tank, a 1.20m comprehensive sludge tank, a comprehensive sludge lifting pump, an AB tank, a stirrer and a mud scraper, wherein the wastewater after pretreatment aging liquid pretreatment, pretreatment cleaning water and workshop water are injected into the 0.31m collecting tank, the wastewater in the 0.31m collecting tank is conveyed to the acidification tank by the lifting pump, stirring is performed by the stirrer, meanwhile, a medicament is added into the acidification tank by the sulfuric acid dosing pump, the PH value of the wastewater is adjusted to 1.84 by the ferrous sulfate dosing pump, the medicament is respectively stirred in the reaction tank 1 by the stirring machine 1, the complex alkali dosing pump is added into the front reaction tank 2 by the vein breaker dosing pump and the complex alkali dosing pump, the pH value is further stirred by the stirring machine 1, the pH value is further stirred by the stirring machine, the pH value is adjusted by the stirring machine in the stirring tank by the stirring machine of the stirring tank, the pH value is further adjusted by the two stirring tank, the pH value is further stirred by the stirring machine is adjusted by the stirring tank, the pH value is mixed with the pH value is adjusted by the stirring machine in the stirring tank 2, the two-7 is mixed sedimentation tank, the pH value is adjusted by the stirring tank is mixed by the stirring tank, the pH value is adjusted by the two-7, the pH value is mixed by the stirring tank is adjusted by the stirring tank, the pH value is adjusted by the stirring agent is in the pH tank is 2, the pH value is mixed by the pH tank is adjusted by the pH tank, and the pH tank is adjusted by the pH tank is in the pH tank 1, and the pH tank is adjusted by the pH tank and the pH tank is 2, and then the sludge is guided into a 0.39m sludge conditioning tank by using a comprehensive sludge lifting pump, the sludge is mixed and treated by adding medicaments by using a stirrer and a PAM dosing pump of the sludge conditioning tank, and the wastewater in the sludge is pressed out by matching a filter press sludge inlet pump with a comprehensive sludge filter press, so that the pretreatment of the cleaning water is completed.

6. An electroplating effluent treatment system according to claim 1, wherein: the G5 pyrocopper, alkali copper and pretreatment aging liquid wastewater treatment system is divided into a pyrocopper wastewater treatment system, an alkali copper wastewater treatment system and a pretreatment aging liquid wastewater treatment system, wherein the pyrocopper wastewater treatment system comprises a 0.42m pyrocopper wastewater collection tank, a primary oxidation tank, a secondary oxidation tank, a dosing pump, a lifting pump, a stirrer and an acid copper wastewater collection tank, the pyrocopper wastewater and workshop water are collected through the 0.42m pyrocopper wastewater collection tank, the wastewater is conveyed to the primary oxidation tank by the lifting pump, a medicament is added by a sodium hypochlorite dosing pump and a sulfuric acid dosing pump and is matched with the stirrer for stirring, the pH value is adjusted to 5.54, ORP1040 is adjusted, the medicament is added in the secondary oxidation tank by the sodium hypochlorite dosing pump and the sulfuric acid dosing pump and is matched with the stirrer for stirring, the pH value is adjusted to 3.14, 1187, and the treated wastewater is discharged to the acid copper wastewater collection tank to complete the treatment of the pyrocopper wastewater.

7. An electroplating effluent treatment system according to claim 6, wherein: the alkali copper wastewater treatment system comprises a 0.31m alkali copper wastewater collection tank, a first-stage cyanide breaking tank, a second-stage cyanide breaking tank, a dosing pump, a lifting pump, a stirrer and an acid copper wastewater collection tank, wherein alkali copper wastewater and workshop incoming water are collected through the 0.31m alkali copper wastewater collection tank, the waste water is conveyed to the first-stage cyanide breaking tank by the lifting pump, chemicals are added by a sodium hypochlorite dosing pump and a sodium hydroxide dosing pump and stirred by a stirrer, the pH value is adjusted to 10.72, ORP693, the chemicals are added by the sodium hypochlorite dosing pump and a sulfuric acid dosing pump in the second-stage cyanide breaking tank and stirred by the stirrer, the pH value is adjusted to 6.26, ORP984, and the treated waste water is discharged to the acid copper wastewater collection tank to complete the treatment of the alkali copper waste water.

8. An electroplating effluent treatment system according to claim 6, wherein: the pretreatment aging liquid wastewater treatment system comprises a 0.48m collecting tank 1, a 1.99m collecting tank 2, a 1.35m acidification tank, a 0.24m reaction tank, a filter press mud feeding pump, a pretreatment sludge press filter, a pretreatment cleaning water collecting tank, a lifting pump, a stirrer and a dosing pump, wherein pretreatment aging liquid first-floor water and pretreatment aging liquid second-floor water are respectively collected through the 0.48m collecting tank 1 and the 1.99m collecting tank 2, then wastewater is conveyed to the 1.35m acidification tank by the lifting pump 1 and the lifting pump 2 respectively, the pH value of the wastewater is treated to 0.00 by the aid of the sulfuric acid dosing pump, the wastewater is conveyed to the 0.24m reaction tank by the lifting pump 3, the chemical is added to the 0.24m reaction tank by the aid of the composite alkali dosing pump, the PAC dosing pump, the ferrous sulfate dosing pump and the PAM dosing pump, the pH value is adjusted to 0.71 by the stirrer, the wastewater is conveyed to the pretreatment sludge press filter by the aid of the filter press, and the wastewater is discharged to the pretreatment collecting tank after the wastewater is treated.

9. An electroplating effluent treatment system according to claim 1, wherein: the G6 deplating water, ground mixed drainage and medicine dispensing system wastewater treatment system comprises a 0.65m raw water intermediate tank, a raw water booster pump, a 0.82m collecting tank, a primary reduction tank, a secondary reduction tank, a primary reaction tank, a secondary reaction tank, a coagulation reaction tank, a flocculation reaction tank, a sedimentation tank, a comprehensive sludge tank, a lifting pump, a medicine adding pump, an acid copper wastewater collecting tank, a stirrer and a mud scraper, wherein the raw water intermediate tank is used for storing ground mixed drainage first-floor water, the raw water booster pump is used for conveying wastewater to the 0.82m collecting tank, the deplating water second-floor water and ground mixed drainage second-floor water are also injected, the lifting pump is used for guiding the wastewater into the primary reduction tank, the sodium metabisulfite medicine adding pump of the primary reduction tank is used for adding medicine to the primary reduction tank and mixing the medicine with the stirrer, adjusting ORP to 222, adding a medicament by using a sodium metabisulfite dosing pump of a secondary reduction tank and a stirrer to stir in a matched manner, adjusting ORP to 237, adding the medicament by using a ferrous sulfate dosing pump of the primary reaction tank to mix with the stirrer in a matched manner, adding the medicament by using a sodium hydroxide dosing pump and a sodium sulfate dosing pump of the secondary reaction tank to mix with the stirrer in the secondary reaction tank, adjusting the pH value to 11.56, adding the medicament by using a PAC dosing pump of a coagulation tank to stir with the stirrer in a matched manner, adding a PAM dosing pump of a flocculation tank to stir with the stirrer in the flocculation reaction tank, precipitating in a precipitation tank, discharging wastewater to an acid copper wastewater collection tank, and discharging sludge into a comprehensive sludge tank by using a sludge scraper.