CN210528725U

CN210528725U - Printing and dyeing coating effluent treatment plant

Info

Publication number: CN210528725U
Application number: CN201921588601.3U
Authority: CN
Inventors: 周云; 胡建坡; 张红军
Original assignee: Hebei Heyue Environmental Protection Technology Co Ltd
Current assignee: Hebei Heyue Environmental Protection Technology Co Ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-05-15
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a printing and dyeing coating wastewater treatment device, which comprises a sedimentation tank, wherein the sedimentation tank is communicated with a reaction chamber through a first communicating pipe, the middle part of the reaction chamber is rotatably provided with a rotating shaft, and the rotating shaft is provided with a plurality of biological rotating discs at even intervals along the axial direction; a driving motor is arranged in the middle of the bottom of the reaction chamber, and an output shaft of the driving motor is connected with the rotating shaft; an aeration pipe is arranged above the reaction chamber bottom plate, the aeration pipe is communicated with an external air source through an air supply pipe, and a pressure pump is arranged on the air supply pipe; the reaction chamber is communicated with a filter chamber through a second communicating pipe, a filter screen is arranged above an inlet of the second communicating pipe in the filter chamber, the part of the filter chamber above the filter screen is communicated with a drain pipe, and a sterilizer is arranged on the drain pipe. The utility model discloses can carry out effectual processing and absorption to other polluting substances such as big and small impurity, organic matter in the printing and dyeing coating waste water, guarantee producer wastewater discharge's security, avoid the destruction to quality of water and ecological environment.

Description

Printing and dyeing coating effluent treatment plant

Technical Field

The utility model relates to a printing and dyeing wastewater treatment technical field especially relates to a printing and dyeing coating effluent treatment plant.

Background

Printing and dyeing wastewater is generated in multiple processes of washing, dyeing, printing, sizing and the like, a large amount of paint is dissolved, the generated wastewater contains a large amount of organic matters such as alcohols, alcohol ethers and the like, most manufacturers do not perform further treatment on the printing and dyeing wastewater, but directly discharge the wastewater with the paint, so that water pollution and damage to the ecological environment are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a printing and dyeing coating effluent treatment plant solves the technical problem who mentions in the above-mentioned background art.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a printing and dyeing coating wastewater treatment device, which comprises a sedimentation tank, wherein the sedimentation tank is communicated with a reaction chamber through a first communicating pipe, the middle part of the reaction chamber is rotatably provided with a rotating shaft, and the rotating shaft is provided with a plurality of biological rotating discs at even intervals along the axial direction; the bottom of the reaction chamber is circumferentially provided with a plurality of supporting legs, a driving motor is arranged below the reaction chamber, and the free end of an output shaft of the driving motor is connected with the lower end of the rotating shaft; an aeration pipe is arranged above a bottom plate of the reaction chamber, the aeration pipe is communicated with an external air source through an air supply pipe, and a pressure pump is arranged on the air supply pipe; the reaction chamber is communicated with the filter chamber through a second communicating pipe, a filter screen is arranged above an inlet of the second communicating pipe in the filter chamber, the part, above the filter screen, of the filter chamber is communicated with a drain pipe, and a sterilizer is arranged on the drain pipe.

Furthermore, the aeration pipe comprises a small ring pipe and a large ring pipe which are coaxially arranged with the rotating shaft, the small ring pipe and the large ring pipe are communicated through a plurality of radial pipes which are uniformly arranged along the circumferential direction, a plurality of aeration holes are uniformly formed in the upper surfaces of the small ring pipe, the large ring pipe and each radial pipe, and the air supply pipe is communicated with the lower part of the large ring pipe.

Furthermore, the large circular pipe is fixedly connected with the bottom plate of the reaction chamber through two symmetrically arranged support pillars.

Furthermore, a driving cylinder is arranged above the filtering chamber, a telescopic end of the driving cylinder penetrates through a top plate of the filtering chamber and is fixedly connected with the upper end of a connecting rod arranged in the vertical direction, and the lower end of the connecting rod is fixedly connected with the filtering net.

Furthermore, a sewage discharge pipe is arranged at the bottom of the filtering chamber.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model firstly carries out preliminary sedimentation on the wastewater through the sedimentation tank, and then causes the large impurities in the wastewater to fall to the bottom of the sedimentation tank; microorganisms in the biological rotating disc in the reaction chamber take organic pollutants in the coating wastewater as nutrients, and the structure of the aeration pipe covers the cross section of the whole reaction chamber, so that the microorganisms are ensured to absorb and oxidize and decompose organic matters in the wastewater under the condition of sufficient dissolved oxygen; the filter chamber adopts a filtering mode from bottom to top, thereby avoiding the accumulation of dirt on the filter screen and improving the waste water filtering efficiency and the filtering effect. The utility model discloses can carry out effectual processing and absorption to other polluting substances such as big and small impurity, organic matter in the printing and dyeing coating waste water, guarantee producer wastewater discharge's security, avoid the destruction to quality of water and ecological environment.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

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

FIG. 2 is a schematic top view of an aerator pipe;

description of reference numerals: 1. a sedimentation tank; 2. a first communication pipe; 3. a reaction chamber; 4. a rotating shaft; 5. a rotating biological disk; 6. supporting legs; 7. a drive motor; 8. an aeration pipe; 8-1, a small ring pipe; 8-2, a macrocyclic tube; 8-3, radial pipes; 8-4, aeration holes; 9. a gas supply pipe; 10. a pressure pump; 11. a second communicating pipe; 12. a filtering chamber; 13. a filter screen; 14. a drain pipe; 15. a sterilizer; 16. a support pillar; 17. a driving cylinder; 18. a connecting rod; 19. a blow-off pipe; 20. and an on-off valve.

Detailed Description

As shown in fig. 1-2, the printing and dyeing coating wastewater treatment device comprises a sedimentation tank 1, wherein the sedimentation tank 1 is communicated with a reaction chamber 3 through a first communicating pipe 2.

The middle part of the reaction chamber 3 is rotatably provided with a rotating shaft 4, the rotating shaft 4 is provided with a plurality of biological rotating discs 5 at even intervals along the axial direction, and the outer sides of the biological rotating discs 5 are attached with biological films for absorbing organic matters in the printing and dyeing paint wastewater. The bottom of reaction chamber 3 is provided with a plurality of supporting legs 6 along circumference is fixed, driving motor 7 is installed to the below of reaction chamber 3, the free end of driving motor 7's output shaft with the lower extreme of pivot 4 is connected. An aeration pipe 8 is arranged above a bottom plate of the reaction chamber 3, the aeration pipe 8 is communicated with an external air source through an air supply pipe 9, and a pressure pump 10 is arranged on the air supply pipe 9. Specifically, the aerator pipe 8 comprises a small circular pipe 8-1 and a large circular pipe 8-2 which are coaxially arranged with the rotating shaft 4, the small circular pipe 8-1 and the large circular pipe 8-2 are communicated through a plurality of radial pipes 8-3 which are uniformly arranged along the circumferential direction, a plurality of aeration holes 8-4 are uniformly formed in the upper surfaces of the small circular pipe 8-1, the large circular pipe 8-2 and each radial pipe 8-3, and the air supply pipe 9 is communicated with the lower part of the large circular pipe 8-2. The large ring pipe 8-2 is fixedly connected with the bottom plate of the reaction chamber 3 through two symmetrically arranged support columns 16, so that the whole aeration pipe is fixedly arranged above the bottom plate of the reaction chamber 3.

The reaction chamber 3 is communicated with a filter chamber 12 through a second communicating pipe 11, a filter screen 13 is arranged above an inlet of the second communicating pipe 11 in the filter chamber 12, and the outer edge of the filter screen 13 is in sliding contact with the inner peripheral wall of the filter chamber. The part of the filtering chamber 12 above the filtering screen 13 is communicated with a drainage pipe 14, and a sterilizer 15 is arranged on the drainage pipe 14. A sewage drain pipe 19 is arranged at the bottom of the filtering chamber 12.

In addition, a driving cylinder 17 is installed above the filtering chamber 12, the telescopic end of the driving cylinder 17 penetrates through the top plate of the filtering chamber 12 and is fixedly connected with the upper end of a connecting rod 18 arranged along the vertical direction, and the lower end of the connecting rod 18 is fixedly connected with the filtering screen 13.

And on-off valves 20 are respectively arranged on the first communicating pipe 2, the second communicating pipe 11, the drain pipe 14 and the sewage draining pipe 19.

The utility model discloses a working method does: firstly, the waste water produced after the printing and dyeing operation is discharged into a sedimentation tank 1, after the sedimentation tank 1 carries out preliminary sedimentation on the waste water, large impurities in the waste water fall to the bottom of the sedimentation tank, then the waste water enters a reaction chamber 3 through a first communication pipe 2, a driving motor 7 drives a rotating shaft 4 and a plurality of biological rotating discs 5 on the rotating shaft 4 to rotate, microorganisms in biological films on the surfaces of the biological rotating discs 5 absorb organic pollutants in the coating waste water as nutrition, so that the waste water is purified, in the process, aeration is carried out in an aeration pipe 8 phase reaction chamber at the bottom of the reaction chamber, and the structure of the aeration pipe covers the cross section of the whole reaction chamber, thereby ensuring that the microorganisms absorb and oxygenolysis organic matters in the waste water under the condition of sufficient dissolved oxygen. Waste water after the biological rotating disc is handled enters into the filter chamber through second communicating pipe 11, and the filter chamber adopts by the filtration mode from top down to avoid the filth to gather on the filter screen, improved waste water filtration efficiency and filter effect, can realize the regulation to the filter screen position through driving actuating cylinder and connecting rod moreover, accomplish printing and dyeing coating waste water after the filtration at last and flow through the drain pipe and discharge after the sterilizer on the drain pipe is handled.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. A printing and dyeing coating effluent treatment plant which characterized in that: the biological rotating disc sedimentation device comprises a sedimentation tank (1), wherein the sedimentation tank (1) is communicated with a reaction chamber (3) through a first communicating pipe (2), the middle part of the reaction chamber (3) is rotatably provided with a rotating shaft (4), and the rotating shaft (4) is uniformly provided with a plurality of biological rotating discs (5) at intervals along the axial direction; a plurality of supporting legs (6) are arranged at the bottom of the reaction chamber (3) along the circumferential direction, a driving motor (7) is arranged below the reaction chamber (3), and the free end of an output shaft of the driving motor (7) is connected with the lower end of the rotating shaft (4); an aeration pipe (8) is arranged above a bottom plate of the reaction chamber, the aeration pipe (8) is communicated with an external air source through an air supply pipe (9), and a pressure pump (10) is arranged on the air supply pipe (9); the reaction chamber (3) is communicated with the filter chamber (12) through a second communicating pipe (11), the filter chamber (12) is provided with a filter screen (13) above an inlet of the second communicating pipe (11), the filter chamber (12) is positioned at a position above the filter screen (13) and communicated with a drain pipe (14), and the drain pipe (14) is provided with a sterilizer (15).

2. The apparatus for treating wastewater from textile printing and dyeing paint production according to claim 1, characterized in that: the aeration pipe (8) comprises a small circular pipe (8-1) and a large circular pipe (8-2) which are coaxially arranged with the rotating shaft (4), the small circular pipe (8-1) and the large circular pipe (8-2) are communicated through a plurality of radial pipes (8-3) which are uniformly arranged along the circumferential direction, a plurality of aeration holes (8-4) are uniformly formed in the upper surfaces of the small circular pipe (8-1), the large circular pipe (8-2) and each radial pipe (8-3), and the air supply pipe (9) is communicated with the lower part of the large circular pipe (8-2).

3. The apparatus for treating wastewater from textile printing and dyeing paint production according to claim 2, characterized in that: the large ring pipe (8-2) is fixedly connected with the bottom plate of the reaction chamber (3) through two symmetrically arranged supporting columns (16).

4. The apparatus for treating wastewater from textile printing and dyeing paint production according to claim 1, characterized in that: the top of filter chamber (12) is provided with drives actuating cylinder (17), the flexible end that drives actuating cylinder (17) runs through the roof of filter chamber (12) and with the upper end fixed connection of connecting rod (18) along vertical direction setting, the lower extreme of connecting rod (18) with filter screen (13) fixed connection.

5. The apparatus for treating wastewater from textile printing and dyeing paint production according to claim 4, characterized in that: a sewage draining pipe (19) is arranged at the bottom of the filtering chamber (12).