CN212713020U

CN212713020U - Electroplating wastewater treatment device

Info

Publication number: CN212713020U
Application number: CN202021089428.5U
Authority: CN
Inventors: 李敏峰
Original assignee: Wuxi City Kailing Electroplate Equipment Co ltd
Current assignee: Wuxi City Kailing Electroplate Equipment Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-03-16
Anticipated expiration: 2030-06-11

Abstract

The utility model belongs to the technical field of wastewater treatment equipment, in particular to an electroplating wastewater treatment device, which comprises a wastewater tank, wherein the wastewater tank is connected with a heavy metal sludge drying tank and an acid-base sludge drying tank, the heavy metal sludge drying tank and the acid-base sludge drying tank are respectively connected with an acid-base wastewater reaction tank, a copper-tin-zinc-cadmium chelate reaction tank and a chromium reduction chelate reaction tank through pipelines, the acid-base wastewater reaction tank, the copper-tin-zinc-cadmium chelate reaction tank and the chromium reduction chelate reaction tank are respectively connected with a chemical nickel pretreatment tank and a chromium precipitation treatment tank, heavy metal sedimentation tank and high-efficient sedimentation tank, chemical nickel preliminary treatment pond, chromium sedimentation treatment pond, heavy metal sedimentation tank and high-efficient sedimentation tank are equipped with the medicine system that dispenses, and water tank and heavy metal middle tank in the middle of high-efficient sedimentation tank connects respectively, and sewage treatment plant is connected to middle water tank, and heavy metal treatment plant is connected to the heavy metal middle tank. The utility model discloses can carry out high-efficient quick processing to waste water, the treatment effect is good, and the practicality is strong.

Description

Electroplating wastewater treatment device

Technical Field

The utility model relates to an electroplating wastewater treatment device, which belongs to the technical field of wastewater treatment equipment.

Background

And (3) treating waste water or waste liquid discharged from electroplating production. The waste water and liquid from electroplating plants contain a large amount of metal ions such as: chromium, nickel, cyanogen, acid, alkali and organic additive.

The existing electroplating wastewater treatment device is mostly difficult to effectively and rapidly treat electroplating wastewater, the treatment effect is poor, and the electroplating wastewater treatment device is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electroplating wastewater treatment device, solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electroplating wastewater treatment device, includes the wastewater disposal basin, heavy metal sludge drying pond and acid-base sludge drying pond are connected to the wastewater disposal basin, heavy metal sludge drying pond and acid-base sludge drying pond are respectively through pipe connection acid-base waste water reaction tank, copper tin zinc cadmium chelate reaction tank and chromium reduction chelate reaction tank, chemical nickel pretreatment tank, chromium sedimentation treatment tank, heavy metal sedimentation tank and high-efficient sedimentation tank are connected respectively to acid-base waste water reaction tank, copper tin zinc cadmium chelate reaction tank and chromium reduction chelate reaction tank, chemical nickel pretreatment tank, chromium sedimentation treatment tank, heavy metal sedimentation tank and high-efficient sedimentation tank are equipped with the medicine system that dispenses, middle water tank and heavy metal middle tank are connected respectively to high-efficient sedimentation tank, middle water tank connects sewage treatment plant, heavy metal treatment plant is connected to the heavy metal middle tank.

Preferably, the dispensing and medicine-adding system comprises an acid-base agent module, a coagulant module, an oxidation reducing agent module, a coagulant module and a calcium salt agent module.

Preferably, sewage treatment plant includes sewage filtering column, water tank in the middle of sewage filtering column connects, sewage filtering column connects sewage adsorption column, sewage washing case is connected to sewage adsorption column, sewage washing case connects the pure water case.

Preferably, a pure water unit is arranged between the sewage cleaning tank and the pure water tank.

Preferably, heavy metal processing apparatus filters the post including the heavy metal, the heavy metal filters the post and connects the heavy metal intermediate bin, the heavy metal filters the post and connects the heavy metal adsorption column, heavy metal adsorption column connects the heavy metal and finally cheles the post, the heavy metal is finally chela post and is connected the emission monitoring groove, the inspection shaft is connected to the emission monitoring groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model belongs to the technical field of waste water treatment equipment, specifically disclose an electroplating wastewater treatment device, set up acid-base waste water reaction tank, copper tin zinc cadmium chelate reaction tank and chromium reduction chelate reaction tank come to carry out classification reaction to electroplating wastewater, be provided with chemical nickel preliminary treatment pond, chromium sedimentation treatment pond, heavy metal sedimentation tank and high-efficient sedimentation tank come to carry out one step of processing to electroplating wastewater with the medicine system that dispenses, cooperate sewage treatment plant and heavy metal treatment device to do final treatment to electroplating wastewater simultaneously, effectively purify electroplating wastewater, improve reaction efficiency, therefore, the clothes hanger is strong in practicability.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1. a wastewater tank; 2. a heavy metal sludge drying tank; 3. an acid-base sludge drying tank; 4. an acid-base wastewater reaction tank; 5. a copper-tin-zinc-cadmium chelating reaction tank; 6. a chromium reduction chelation reaction tank; 7. a chemical nickel pretreatment tank; 8. a chromium precipitation treatment tank; 9. a heavy metal sedimentation tank; 10. a high-efficiency sedimentation tank; 11. a medicine dispensing and feeding system; 12. an intermediate water tank; 13. a heavy metal intermediate box; 14. a sewage treatment device; 15. a heavy metal treatment device; 16. an acid-base agent module; 17. a coagulant module; 18. a coagulant module; 19. a redox agent module; 20. a coagulant module; 21. a calcium salt agent module; 22. a sewage filtering column; 23. a sewage adsorption column; 24. a sewage cleaning tank; 25. a pure water tank; 26. a water purification unit; 27. heavy metal filter columns; 28. a heavy metal adsorption column; 29. heavy metal chelate columns; 30. an emission monitoring tank; 31. and (5) draining the inspection well.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: an electroplating wastewater treatment device comprises a wastewater tank 1, wherein the wastewater tank 1 is connected with a heavy metal sludge drying tank 2 and an acid-base sludge drying tank 3, the heavy metal sludge drying tank 2 and the acid-base sludge drying tank 3 are respectively connected with an acid-base wastewater reaction tank 4, a copper tin zinc cadmium chelation reaction tank 5 and a chromium reduction chelation reaction tank 6 through pipelines, the acid-base wastewater reaction tank 4, the copper tin zinc cadmium chelation reaction tank 5 and the chromium reduction chelation reaction tank 6 are respectively connected with a chemical nickel pretreatment tank 7, a chromium precipitation treatment tank 8, a heavy metal precipitation tank 9 and a high-efficiency precipitation tank 10, the chemical nickel pretreatment tank 7, the chromium precipitation treatment tank 8, the heavy metal precipitation tank 9 and the high-efficiency precipitation tank 10 are provided with a dispensing and dosing system 11, the high-efficiency precipitation tank 10 is respectively connected with a middle water tank 12 and a heavy metal middle tank 13, the middle water tank 12 is connected with a sewage treatment device, the heavy metal intermediate box 13 is connected with a heavy metal treatment device 15.

Further, the dispensing and medicine adding system 11 comprises an acid-base agent module 16, a coagulant module 17, a coagulant module 18, an oxidation-reduction agent module 19, a coagulant module 20 and a calcium salt agent module 21.

Further, the sewage treatment device 14 comprises a sewage filtering column 22, the sewage filtering column 22 is connected with the middle water tank 12, the sewage filtering column 22 is connected with a sewage adsorbing column 23, the sewage adsorbing column 23 is connected with a sewage cleaning tank 24, and the sewage cleaning tank 24 is connected with a pure water tank 25.

Further, a pure water unit 26 is provided between the sewage cleaning tank 24 and the pure water tank 25.

Further, heavy metal processing apparatus 15 includes heavy metal filter column 27, heavy metal filter column 27 connects heavy metal middle tank 13, heavy metal filter column 27 is connected heavy metal adsorption column 28, heavy metal adsorption column 28 connects heavy metal and finally cheles post 29, heavy metal and finally chela post 29 is connected and is discharged monitoring groove 30, discharge monitoring groove 30 connects emission inspection shaft 31.

The working principle is as follows: the utility model relates to an electroplating wastewater treatment device, during the use, it carries out heavy metal sludge drying treatment to let in heavy metal sludge drying pond 2 with electroplating wastewater in wastewater disposal basin 1, then it carries out acid-base sludge drying treatment to let in acid-base sludge drying pond 3, let in acid-base wastewater reaction tank 4 after handling and carry out acid-base wastewater treatment, then it carries out copper tin zinc cadmium chelate reaction to let in copper tin zinc cadmium chelate reaction tank 5, let in chromium reduction chelate reaction tank 6 and carry out chromium reduction chelate reaction after that, let in chemical nickel preliminary treatment tank 7 after the reaction is accomplished in proper order, chromium precipitation treatment tank 8, heavy metal sedimentation tank 9 and high-efficient sedimentation tank 10, when waste water passes through chemical nickel preliminary treatment tank 7 in proper order, chromium precipitation treatment tank 8, heavy metal sedimentation tank 9 and high-efficient sedimentation tank 10, through the acid-base agent module 16 in medicine system 11 that dispenses, coagulant module 17, heavy metal sludge drying treatment, The flocculant module 18, the redox agent module 19, the coagulant module 20 and the calcium salt agent module 21 are added with chemicals, thereby realizing chemical nickel treatment of wastewater, chromium precipitation treatment, heavy metal precipitation treatment and efficient precipitation treatment, heavy metals in the treated wastewater are introduced into the heavy metal intermediate tank 13, sewage is introduced into the intermediate water tank 12, heavy metals are removed through the heavy metal filter column 27, the heavy metal adsorption column 28 and the heavy metal final chelating column 29, then the sewage is introduced into the discharge monitoring tank 30 for discharge monitoring, the sewage is discharged through the discharge inspection well 31 after reaching the standard, sewage is filtered and purified through the sewage filter column 22 and the sewage adsorption column 23, then the sewage enters the sewage cleaning tank 24 for cleaning, and the sewage is discharged into the pure water tank 25 through the pure water unit 26 after cleaning.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An electroplating wastewater treatment device is characterized in that: comprises a wastewater tank (1), wherein the wastewater tank (1) is connected with a heavy metal sludge drying tank (2) and an acid-base sludge drying tank (3), the heavy metal sludge drying tank (2) and the acid-base sludge drying tank (3) are respectively connected with an acid-base wastewater reaction tank (4), a copper-tin-zinc-cadmium chelation reaction tank (5) and a chromium reduction chelation reaction tank (6) through pipelines, the acid-base wastewater reaction tank (4), the copper-tin-zinc-cadmium chelation reaction tank (5) and the chromium reduction chelation reaction tank (6) are respectively connected with a chemical nickel pretreatment tank (7), a chromium precipitation treatment tank (8), a heavy metal precipitation tank (9) and a high-efficiency precipitation tank (10), the chemical nickel pretreatment tank (7), the chromium precipitation treatment tank (8), the heavy metal precipitation tank (9) and the high-efficiency precipitation tank (10) are equipped with a medicine dispensing and adding system (11), the high-efficiency precipitation tank (10) is respectively connected with an intermediate water tank, the middle water tank (12) is connected with a sewage treatment device (14), and the heavy metal middle tank (13) is connected with a heavy metal treatment device (15).

2. An electroplating wastewater treatment apparatus according to claim 1, characterized in that: the dispensing and medicine-adding system (11) comprises an acid-base agent module (16), a coagulant module (17), a coagulant module (18), an oxidation-reduction agent module (19), a coagulant module (20) and a calcium salt agent module (21).

3. An electroplating wastewater treatment apparatus according to claim 1, characterized in that: the sewage treatment device (14) comprises a sewage filtering column (22), the sewage filtering column (22) is connected with the middle water tank (12), the sewage filtering column (22) is connected with a sewage adsorption column (23), the sewage adsorption column (23) is connected with a sewage cleaning tank (24), and the sewage cleaning tank (24) is connected with a pure water tank (25).

4. An electroplating wastewater treatment apparatus according to claim 3, characterized in that: and a pure water unit (26) is arranged between the sewage cleaning tank (24) and the pure water tank (25).

5. An electroplating wastewater treatment apparatus according to claim 1, characterized in that: heavy metal processing apparatus (15) filter post (27) including the heavy metal, heavy metal filters post (27) and connects heavy metal middle box (13), heavy metal filters post (27) and connects heavy metal adsorption column (28), heavy metal adsorption column (28) are connected heavy metal and are finally chela post (29), heavy metal is finally chela post (29) and is connected emission monitoring groove (30), emission monitoring groove (30) are connected and are discharged inspection shaft (31).