CN210915722U

CN210915722U - Dye wastewater treatment equipment

Info

Publication number: CN210915722U
Application number: CN201920271764.2U
Authority: CN
Inventors: 王金俊; 姜璀玉; 苗青; 付世奎; 张科亭
Original assignee: Qingdao Bright Environmental Engineering Co ltd
Current assignee: Qingdao Bright Environmental Engineering Co ltd
Priority date: 2019-02-20
Filing date: 2019-02-20
Publication date: 2020-07-03
Anticipated expiration: 2029-02-20

Abstract

The utility model relates to a dye wastewater treatment equipment, by one-level anaerobic tower (1), second grade anaerobic tower (2), MBR reaction tank (3), membrane module (4), inlet tube (5), anaerobism outlet pipe (6), MBR outlet pipe (7), back flush outlet pipe (8), intake pipe (9), back flush inlet tube (10), blow-down pipe (11), inlet tube (5) get into the anaerobic tower by the top of one-level anaerobic tower (1), the bottom outlet pipe is together with second grade anaerobic tower (2), the waste water of anaerobic tower outlet pipe (6) gets into from the bottom of MBR reaction tank (3). The MBR reaction tank (3) can maintain the biomass in the biological treatment unit at a high concentration, so that the occupied area of the MBR reaction tank (3) is correspondingly reduced, and the treated wastewater flows to a subsequent process system through an MBR water outlet pipe (7). The bottom of the anaerobic tower is provided with a back-washing water inlet pipe (10) and an air inlet pipe (5), so that air-water back washing can be effectively carried out, pollutants on the filler can be effectively stripped and washed out of the anaerobic tower, and the subsequent normal use period and effect are ensured.

Description

Dye wastewater treatment equipment

Technical Field

The utility model relates to a dyestuff waste water treatment equipment

Background

The dye wastewater has deep chromaticity, high organic pollutant content, complex components, great difficulty in biodegradation of water quality change and biotoxicity, and strong photolysis resistance and oxidation resistance of the dye, contains various organic matters with biotoxicity or three-cause (carcinogenesis, teratogenesis and mutagenesis) performance, is difficult to treat by a conventional method, and brings serious pollution to the environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects and the insufficiency of the prior art in the field, develop a dye wastewater treatment device, can efficiently remove ammonia nitrogen and COD in wastewater, and make effluent suspended solids and turbidity close to zero.

In order to achieve the purpose, the technical scheme adopted by the utility model is a dye wastewater treatment device, which comprises a first-stage anaerobic tower (1), a second-stage anaerobic tower (2), an MBR reaction tank (3), a membrane component (4), a water inlet pipe (5), an anaerobic water outlet pipe (6), an MBR water outlet pipe (7), a backwashing water outlet pipe (8), a gas inlet pipe (9), a backwashing water inlet pipe (10), a vent pipe (11) and a gas outlet pipe (12), wherein polyurethane biological fillers and water distribution plates are filled in the first-stage anaerobic tower (1) and the second-stage anaerobic tower (2), the water inlet pipe (5) is arranged at the top of the first-stage anaerobic tower (1), the first-stage anaerobic tower (1) is connected with the bottom pipeline of the second-stage anaerobic tower (2), wastewater enters from the bottom of the MBR reaction tank (3) through the water outlet pipe (6) arranged at the top of the second-stage anaerobic tower (2) and flows out through the MBR water outlet pipe (7) arranged at, a membrane module (4) is arranged in the MBR reaction tank (3), and an air inlet pipe (9) is communicated into the MBR reaction tank (3) so as to enable the wastewater to carry out aerobic reaction with air on the membrane module (4).

Further, an exhaust pipe (12) is connected to the MBR reaction tank (3).

Further, the primary anaerobic tower (1) and the secondary anaerobic tower (2) are arranged side by side.

Furthermore, the bottoms of the first-stage anaerobic tower (1) and the second-stage anaerobic tower (2) are provided with a back flush water inlet pipe (10) and an air inlet pipe (9).

Further, the MBR reaction tank (3), the primary anaerobic tower (1) and the secondary anaerobic tower (2) are connected with an emptying pipe (11).

Furthermore, back washing water outlet pipes (8) are arranged at the tops of the first-stage anaerobic tower (1) and the second-stage anaerobic tower (2).

Drawings

FIG. 1 is a schematic structural view of a dye wastewater treatment device of the utility model

In the figure, 1-a first-stage anaerobic tower 2-a second-stage anaerobic tower 3-an MBR reaction tank 4-a membrane module

5-water inlet pipe 6-anaerobic water outlet pipe 7-MBR water outlet pipe 8-backwashing water outlet pipe

9-air inlet pipe 10-back flush water inlet pipe 11-vent pipe 12-exhaust pipe

Detailed Description

As shown in figure 1, the technical scheme adopted by the utility model is a dye wastewater treatment device, which comprises a first-stage anaerobic tower 1, a second-stage anaerobic tower 2, an MBR reaction tank 3, a membrane component 4, a water inlet pipe 5, an anaerobic water outlet pipe 6, an MBR water outlet pipe 7, a backwashing water outlet pipe 8, an air inlet pipe 9, a backwashing water inlet pipe 10, an emptying pipe 11 and an exhaust pipe 12, wherein polyurethane biological fillers and water distribution plates are filled in the first-stage anaerobic tower 1 and the second-stage anaerobic tower 2, the water inlet pipe 5 is arranged at the top of the first-stage anaerobic tower 1, the bottom pipelines of the first-stage anaerobic tower 1 and the second-stage anaerobic tower 2 are connected, wastewater enters from the bottom of the MBR reaction tank 3 through the water outlet pipe 6 arranged at the top of the second, and flows out through an MBR water outlet pipe 7 arranged at the top of the MBR reaction tank 3, a membrane module 4 is arranged in the MBR reaction tank 3, and an air inlet pipe 9 is communicated to the MBR reaction tank 3 so as to enable the wastewater to carry out aerobic reaction with the air on the membrane module 4.

Further, an exhaust pipe 12 is connected to the MBR reaction tank 3.

Further, the primary anaerobic tower 1 and the secondary anaerobic tower 2 are arranged side by side.

Furthermore, the bottoms of the first-stage anaerobic tower 1 and the second-stage anaerobic tower 2 are provided with a back flush water inlet pipe 10 and an air inlet pipe 9.

Further, the MBR reaction tank 3, the first-stage anaerobic tower 1 and the second-stage anaerobic tower 2 are connected with a vent pipe 11.

Furthermore, the top parts of the first-stage anaerobic tower 1 and the second-stage anaerobic tower 2 are provided with back flushing water outlet pipes 8.

Wherein, the combined process of the utility model is provided with a two-stage anaerobic tower 12, polyurethane biological filler is filled in the anaerobic tower, the novel filler has larger specific surface area, is more beneficial to the attachment of anaerobic organisms and has better removal efficiency; the water inlet pipe 5 enters the anaerobic tower from the top of the primary anaerobic tower 1, the bottom water outlet pipe and the secondary anaerobic tower 2 are connected, and the wastewater of the water outlet pipe 6 at the top of the secondary anaerobic tower 2 enters from the bottom of the MBR reaction tank 3. In the first-stage anaerobic tower 1, the waste water in the second-stage anaerobic tower 2 uniformly enters the packing layer through the water distribution plate, so that the water flow short circuit is effectively prevented, and the high-efficiency treatment efficiency is realized. Wastewater enters the MBR reaction tank 3, and a large amount of activated sludge is intercepted by utilizing the water outlet advantage of the membrane component 4 under the air output by the air inlet pipe 9 to carry out aerobic reaction. The MBR reaction tank 3 can maintain the biomass in the biological treatment unit at high concentration, greatly improve the volume load, simultaneously greatly shorten the hydraulic retention time of the treatment unit due to the high efficiency of membrane separation, correspondingly reduce the occupied area of the MBR reaction tank 3, and the treated wastewater flows to a subsequent process system through an MBR water outlet pipe 7. The back washing water inlet pipe 10 and the air inlet pipe 5 are arranged at the bottom of the first-stage anaerobic tower 1 and the second-stage anaerobic tower 2, so that air-water back washing can be effectively carried out, pollutants on the filler can be effectively stripped and washed out of the anaerobic towers, and the subsequent normal service cycle and effect are ensured. The bottom of the first-stage anaerobic tower 1, the second-stage anaerobic tower 2 and the MBR reaction tank 3 is provided with an emptying pipe, so that waste residues in each container can be discharged in time, and the normal use and maintenance of the reaction container are ensured. The exhaust pipe 12 is arranged at the membrane module 4, so that residual air can be timely and effectively exhausted, and the operation stability of the membrane module 4 is ensured.

In addition, the technical solution of the present invention is not limited by the specific embodiments, and any changes or replacements made on the premise of the technical essence of the present invention should be included in the protection scope of the present invention.

Claims

1. A dyestuff waste water treatment equipment which characterized in that: consists of a first-stage anaerobic tower (1), a second-stage anaerobic tower (2), an MBR reaction tank (3), a membrane assembly (4), a water inlet pipe (5), an anaerobic water outlet pipe (6), an MBR water outlet pipe (7), a backwashing water outlet pipe (8), an air inlet pipe (9), a backwashing water inlet pipe (10), an emptying pipe (11) and an exhaust pipe (12), wherein polyurethane biological fillers and water distribution plates are filled in the first-stage anaerobic tower (1) and the second-stage anaerobic tower (2), the water inlet pipe (5) is arranged at the top of the first-stage anaerobic tower (1), the bottom pipelines of the first-stage anaerobic tower (1) and the second-stage anaerobic tower (2) are connected, wastewater enters from the bottom of the MBR reaction tank (3) through the water outlet pipe (6) arranged at the top of the second-stage anaerobic tower (2) and flows out through the MBR water outlet pipe (7) arranged at the top of the MBR reaction tank (3), and, the air inlet pipe (9) is communicated to the MBR reaction tank (3) so that the wastewater can carry out aerobic reaction with the air on the membrane component (4).

2. The dye wastewater treatment facility according to claim 1, characterized in that: the exhaust pipe (12) is connected to the MBR reaction tank (3).

3. The dye wastewater treatment facility according to claim 1, characterized in that: the primary anaerobic tower (1) and the secondary anaerobic tower (2) are arranged side by side.

4. The dye wastewater treatment facility according to claim 1, characterized in that: the bottoms of the first-stage anaerobic tower (1) and the second-stage anaerobic tower (2) are provided with a back flush water inlet pipe (10) and an air inlet pipe (9).

5. The dye wastewater treatment facility according to claim 1, characterized in that: MBR reaction tank (3), first grade anaerobic tower (1), second grade anaerobic tower (2) all are connected with blow-down pipe (11).

6. The dye wastewater treatment facility according to claim 4, characterized in that: the top parts of the first-stage anaerobic tower (1) and the second-stage anaerobic tower (2) are provided with back flushing water outlet pipes (8).