CN210237230U

CN210237230U - Oxidation pond of printing and dyeing wastewater

Info

Publication number: CN210237230U
Application number: CN201921049025.5U
Authority: CN
Inventors: Xiuxi Lin; 林修禧; Ming Zhang; 张明; Yijin Tu; 涂义锦
Original assignee: Fujian Honggang Textile Technology Co ltd
Current assignee: Fujian Honggang Textile Technology Co ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-03
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses an oxidation pond of printing and dyeing wastewater, it includes: the casing, stirring structure and inlet structure, the upper end of casing is equipped with the feed inlet, the lower extreme of casing is equipped with the discharge gate, the stirring structure links to each other and stretches into the (mixing) shaft in the casing including setting up the agitator motor of casing below and by agitator motor control operation, be equipped with multilayer stirring vane group on the (mixing) shaft, single stirring vane group includes that a plurality of stirring vane constitute, stirring vane's lower surface all is equipped with the stirring post, inlet structure links to each other and stretches into a plurality of trachea in the casing including setting up at the outer air generator of casing and with air generator, every stirring post below all is equipped with the trachea. The utility model discloses oxygen distribution is even, the treatment effect is good, efficient.

Description

Oxidation pond of printing and dyeing wastewater

Technical Field

The utility model relates to a printing and dyeing wastewater treatment equipment technical field especially relates to an oxidation pond of printing and dyeing wastewater.

Background

The textile industry is the traditional strut industry in China and comprises parts such as textile, printing and dyeing, chemical fiber, clothing, manufacturing of special textile equipment and the like. With the rapid development of national economy, the printing and dyeing industry in China also enters a high-speed development period, equipment and technical levels are obviously improved, production processes and equipment are continuously updated, and printing and dyeing enterprises, particularly printing and dyeing enterprises in civil use, develop very rapidly.

However, the technology, equipment and management level of the textile printing and dyeing industry in China have certain gaps with developed countries, and the energy consumption and water consumption of unit products are large, for example, about 250 tons of water are consumed by 1 ton of fabrics in dyeing and finishing in China, and about 100 tons of all-cotton worsted in Germany. The annual water discharge of the textile industry is about 23 hundred million tons, and belongs to the fifth level of industrial water discharge, wherein dyeing and finishing wastewater is mainly used, particularly the recycling rate is less than 10 percent, and the wastewater is the lowest in all the industries of national economy, so that the independent research and development of energy conservation and emission reduction, and resource recovery, wastewater advanced treatment and recycling are very urgent tasks.

For example, the chinese invention patent No. 201610575119.0 discloses a method and apparatus for treating printing and dyeing wastewater, wherein the top of a chemical feeding tank is provided with a chemical feeding port and a water inlet, the upper half part of the chemical feeding tank is an oxidation treatment area, and drop plates are sequentially and staggeredly installed in the oxidation treatment area from high to low; the bottom of the dosing tank is an anaerobic-aerobic reaction zone, and the anaerobic-aerobic reaction zone is provided with a stirrer; the water outlet at the bottom of the dosing tank is connected with the water inlet of the aeration tank through a water pump; an aerator is arranged in the aeration tank; the water outlet of the aeration tank is connected with the sedimentation tank; a clear water outlet of the sedimentation tank is connected with a microwave treatment tank; the water outlet of the microwave treatment tank is connected with a secondary sedimentation tank. However, when the chemical feeding tank in the method is used as an oxidation pond for aerobic treatment, the reaction time is long and the treatment effect is poor due to insufficient oxygen content and uneven upper and lower layers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oxygen distribution is even, the treatment effect is good, efficient oxidation pond of printing and dyeing waste water to the above-mentioned not enough of prior art.

The utility model provides a technical problem, the technical scheme of adoption is, provides an oxidation pond of printing and dyeing waste water, and it includes: casing, stirring structure and inlet structure, the upper end of casing is equipped with the feed inlet, the lower extreme of casing is equipped with the discharge gate, the stirring structure is including setting up the agitator motor of casing below and by agitator motor control operation links to each other and stretches into (mixing) shaft in the casing, be equipped with multilayer stirring vane group on the (mixing) shaft, it is single stirring vane group includes a plurality of stirring vane and forms, stirring vane's lower surface all is equipped with the stirring post, inlet structure is including setting up the outer air generator of casing and with air generator links to each other and stretches into a plurality of tracheas in the casing, every stirring post below all is equipped with the trachea.

Preferably, the air generator further comprises a PLC controller, and the PLC controller controls the operation and the closing of the stirring motor and the air generator.

Preferably, in the above technical solution, the PLC controller controls the air generator to individually control each of the air pipes.

Preferably, in the above technical solution, the stirring blades of the upper and lower layers of the stirring blade groups are arranged in a staggered manner. The benefit of two-layer stirring vane is fallen by mistake and is arranged about, when the stirring post on upper blade passes through the trachea top, produces certain decurrent power because of the stirring for the bubble moves down, rotates away the back as upper blade, and the blade of lower floor moves to here, and the bubble that just in time will move down is smashed this moment, makes more even and more thorough that dissolves of oxygen distribution, is favorable to the microorganism to carry out aerobic treatment, improves treatment effect and promotion treatment effeciency.

Preferably, the lower end of the stirring column is provided with a downward projection.

Preferably, in the above technical solution, the protrusion is tapered. Is favorable for forming downward force to move the bubbles downwards so as to be favorable for the stirring blades at the lower layer to break the bubbles.

Preferably, the stirring blade is divided into an upper grid layer, a connecting layer and a lower grid layer from top to bottom, and biological fillers are arranged in the upper grid layer and the lower grid layer. Because in the motion, the blade of lower floor can be broken the bubble that the top output moved down, can make stirring vane's upper and lower surface can be fully with oxygen contact, sets up net layer and biofilm carrier on the upper and lower face of blade, can make the biological activity of microorganism better, further must improve treatment effect and promote treatment effeciency.

Preferably, the surfaces of the upper mesh layer and the lower mesh layer are wound by filaments.

Preferably, the shell is provided with a filter screen positioned below the feed inlet.

Through the technical scheme, the beneficial effects that reach are: the utility model discloses a stirring vane below is equipped with the stirring post, and stirring post below sets up the trachea, makes the stirring post produce decurrent power to the water through rotating, down promotes the bubble, makes the area of contact of its extension and water, moves under it and shifts up, and stirring vane homoenergetic is broken to its stirring for oxygen is more even, improves treatment effect and promotion treatment effeciency.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a plan view of the stirring blade group (solid line indicates an upper stirring blade group, and broken line indicates a lower stirring blade group);

fig. 3 is a schematic structural view of the stirring blade.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example 1:

an oxidation pond for printing and dyeing wastewater as shown in fig. 1 to 2 comprises a housing 1, a stirring structure 2 and an air inlet structure 3.

The upper end of the shell 1 is provided with a feeding hole 11, the lower end of the shell 1 is provided with a discharging hole 12, the shell 1 is provided with a filter screen 13 positioned below the feeding hole 11, the filter screen can remove some burrs, thread ends and the like, and avoid the bad influence on a stirring shaft and stirring blades, for example, the filter screen is wound on the stirring shaft and the stirring blades, the long-time accumulation can make the stirring shaft difficult to rotate, so that accidents are easy to happen, meanwhile, the stirring blades are wound with substances which can influence the breaking of bubbles and influence the exertion of biological activity, the stirring structure 2 comprises a stirring motor 21 arranged below the shell 1 and a stirring shaft 22 controlled by the stirring motor 21 to operate and extend into the shell 1, the stirring shaft 22 is provided with a plurality of layers of stirring blade groups 23, and a single stirring blade group 23 comprises a plurality of stirring blades 231, stirring vane 231's lower surface all is equipped with stirring post 232, inlet structure 3 is including setting up outer air generator 31 of casing 1 and with air generator 31 links to each other and stretches into a plurality of trachea 32 in the casing 1, every stirring post 232 below all is equipped with trachea 32 (the trachea under the part stirring post in the picture is not drawn), is equipped with the stirring post through stirring vane below, and the stirring post below sets up the trachea, makes the stirring post produce decurrent power to the water through rotating, down promotes the bubble, makes its extension and the area of contact of water, moves under it and during shifting up, and stirring vane all can be broken to its stirring for oxygen is more even, improves treatment effect and promotion treatment effeciency.

The device also comprises a PLC controller, wherein the PLC controller controls the operation and the closing of the stirring motor 21 and the air generator 31. The PLC controller controls the air generator 31 to individually control each air pipe 32. Can adjust agitator motor's rotational speed, bubble size, the speed of air generator output through PLC controller, adjust through the PLC controller, can adjust it to the bubble when sinking, the stirring vane of below does not contact with the bubble, starts the come-up when the bubble, and the stirring vane of below just in time begins broken bubble, improves stirring efficiency and effect.

The stirring blades 231 of the upper and lower layers of the stirring blade group 23 are arranged in a staggered manner. The benefit of two-layer stirring vane is fallen by mistake and is arranged about, when the stirring post on upper blade passes through the trachea top, produces certain decurrent power because of the stirring for the bubble moves down, rotates away the back as upper blade, and the blade of lower floor moves to here, and the bubble that just in time will move down is smashed this moment, makes more even and more thorough that dissolves of oxygen distribution, is favorable to the microorganism to carry out aerobic treatment, improves treatment effect and promotion treatment effeciency.

The lower end of the stirring column 232 is provided with a downward projection 2321, and the projection 2321 is conical. Is favorable for forming downward force to move the bubbles downwards so as to be favorable for the stirring blades at the lower layer to break the bubbles.

Example 2:

an oxidation pond for printing and dyeing wastewater as shown in fig. 1 to 3 comprises a housing 1, a stirring structure 2 and an air inlet structure 3. More preferably on the basis of embodiment 1:

the stirring blade 231 is divided into an upper mesh layer 2311, a connecting layer 2312 and a lower mesh layer 2313 from top to bottom, and biological fillers are arranged in the upper mesh layer 2311 and the lower mesh layer 2313. Because in the motion, the blade of lower floor can be broken the bubble that the top output moved down, can make stirring vane's upper and lower surface can be fully with oxygen contact, sets up net layer and biofilm carrier on the upper and lower face of blade, can make the biological activity of microorganism better, further must improve treatment effect and promote treatment effeciency.

The surfaces of the upper mesh layer 2311 and the lower mesh layer 2313 are each wound with filaments.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The oxidation pond for the printing and dyeing wastewater is characterized by comprising a shell (1), a stirring structure (2) and an air inlet structure (3), wherein a feed inlet (11) is formed in the upper end of the shell (1), a discharge outlet (12) is formed in the lower end of the shell (1), the stirring structure (2) comprises a stirring motor (21) arranged below the shell (1) and a stirring shaft (22) which is controlled by the stirring motor (21) to operate and extends into the shell (1), a plurality of stirring blade groups (23) are arranged on the stirring shaft (22), each stirring blade group (23) comprises a plurality of stirring blades (231), stirring columns (232) are arranged on the lower surfaces of the stirring blades (231), the air inlet structure (3) comprises an air generator (31) arranged outside the shell (1) and a plurality of air pipes (32) connected with the air generator (31) and extending into the shell (1), the air pipe (32) is arranged below each stirring column (232).

2. The oxidation pond for printing and dyeing wastewater according to claim 1, characterized in that: the stirring device also comprises a PLC (programmable logic controller), wherein the PLC controls the operation and the closing of the stirring motor (21) and the air generator (31).

3. The oxidation pond for printing and dyeing wastewater according to claim 2, characterized in that: the PLC controller controls the air generator (31) to independently control each air pipe (32).

4. The oxidation pond for printing and dyeing wastewater according to claim 1, characterized in that: the stirring blades (231) of the stirring blade group (23) on the upper layer and the lower layer are arranged in a staggered manner.

5. The oxidation pond for printing and dyeing wastewater according to claim 1, characterized in that: the lower end of the stirring column (232) is provided with a downward bulge (2321).

6. The oxidation pond for printing and dyeing wastewater according to claim 5, characterized in that: the protrusion (2321) is conical.

7. The oxidation pond for printing and dyeing wastewater according to claim 1, characterized in that: the stirring blade (231) is divided into an upper grid layer (2311), a connecting layer (2312) and a lower grid layer (2313) from top to bottom, and biological fillers are arranged in the upper grid layer (2311) and the lower grid layer (2313).

8. The oxidation pond for printing and dyeing wastewater according to claim 7, characterized in that: the surfaces of the upper mesh layer (2311) and the lower mesh layer (2313) are both wound with filaments.

9. The oxidation pond for printing and dyeing wastewater according to claim 1, characterized in that: the shell (1) is provided with a filter screen (13) positioned below the feed port (11).