CN210313903U

CN210313903U - Organic wastewater treatment equipment

Info

Publication number: CN210313903U
Application number: CN201920850514.4U
Authority: CN
Inventors: 周学进; 任小娇; 吕婧婧; 马子房; 黄子鉴; 黄海洋
Original assignee: Yunnan Yike Environmental Construction Co ltd; Yunnan Investment Ecology And Environment Technology Co ltd
Current assignee: Yunnan Yike Environmental Construction Co ltd; Yunnan Investment Ecology And Environment Technology Co ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-04-14
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses an organic wastewater treatment device, which comprises a collecting tank, an adjusting sedimentation tank, an anaerobic tank, an aerobic tank, a middle sedimentation tank, a photolysis tank and an MBR tank, wherein the collecting tank and the adjusting sedimentation tank are separated by a partition wall, and a communication port is arranged on the partition wall and is internally provided with a filter screen; the adjusting sedimentation tank is connected with the anaerobic tank through an upper inclined pipe, and the anaerobic tank is connected with the aerobic tank through a pipeline; the aerobic tank is connected with the intermediate sedimentation tank; the middle sedimentation tank is connected with a photolysis tank through an overflow pipe, the photolysis tank is connected with an MBR tank, and a membrane separation assembly is arranged in the MBR tank; the water outlet pipe of the membrane separation component is connected with the main water outlet pipe; the main water outlet pipe is provided with a self-priming pump and is connected with a clean water tank. The utility model discloses deposit and filtration treatment through the residue and the silt of collecting pit and regulation sedimentation tank in advance to the aquatic, then through the continuous processing in anaerobism pond, photodissociation pond, middle sedimentation tank and MBR pond for the organic matter of aquatic is decomposed gradually and is detached, improves the treatment effect of quality of water.

Description

Organic wastewater treatment equipment

Technical Field

The utility model relates to a sewage treatment device, in particular to an organic wastewater treatment device.

Background

The organic wastewater is mainly organic pollutants, and is easy to cause water eutrophication and has large harm. The organic wastewater generally refers to the wastewater discharged by industries such as paper making, leather, food and the like and is more than 2000 mg/L. The existing organic wastewater treatment equipment can not purify the organic wastewater generated in industrial production efficiently, can not effectively solve the problem of environmental pollution caused by organic wastewater discharge, and can not meet the requirements of the current development of China on environmental protection and resource recycling.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a filter and purify waste water step by step for organic sewage's treatment effect is better, avoids organic waste water pollution environment's organic waste water treatment equipment.

In order to solve the technical problem, the utility model discloses a technical scheme does: an organic wastewater treatment device comprises a collecting tank, an adjusting sedimentation tank, an anaerobic tank, a middle sedimentation tank, a photolysis tank and an MBR tank, and is characterized in that the collecting tank and the adjusting sedimentation tank are separated by a partition wall, a communication port is arranged on the partition wall, and a filter screen is arranged in the communication port; the adjusting sedimentation tank is connected with an anaerobic tank through an upper inclined pipe, and the anaerobic tank is connected with the intermediate sedimentation tank through a pipeline; the middle sedimentation tank is connected with a photolysis tank through an overflow pipe, the photolysis tank is connected with the MBR tank, and a membrane separation assembly is arranged in the MBR tank; the membrane separation component comprises a frame, a filter screen and a membrane component; the filter screens are respectively arranged on the outer surfaces of the frame; a plurality of membrane assemblies are arranged in the frame; the membrane module comprises a water outlet pipe, an end head and a hollow fiber membrane; the lower end of the hollow fiber membrane is closed; the water outlet pipe is connected with the main water outlet pipe; the main water outlet pipe is provided with a self-sucking pump and is connected with a clean water tank.

Preferably, the filter screen is a stainless steel metal filter screen or a nylon screen.

Preferably, an aeration system is also arranged in the MBR tank; wherein the aeration system comprises an aeration main pipe, an aeration fan and a microporous aeration pipe; the aeration fan is connected with a plurality of aeration branch pipes through an aeration main pipe, and the aeration branch pipes are connected with a plurality of microporous aeration pipes; the microporous aeration pipe is arranged at the bottom of the MBR tank.

Preferably, be equipped with the sludge pump in adjusting the sedimentation tank, the sludge pump is connected with row mud pipeline.

Preferably, a stirrer is further arranged on the anaerobic tank.

Preferably, a UV lamp tube and a catalyst plate coated with titanium dioxide on the surface layer are arranged in the photolysis pool.

The utility model has the advantages that: the utility model discloses deposit and filtration treatment through the residue and the silt of collecting pit and regulation sedimentation tank in advance to the aquatic, then through the continuous processing in anaerobism pond, middle sedimentation tank, photodissociation pond and MBR pond for the organic matter of aquatic is decomposed gradually and is filtered and detach, improves the treatment effect of quality of water, avoids organic waste water direct discharge and causes environmental pollution.

Drawings

FIG. 1 is a schematic structural view of an organic wastewater treatment apparatus according to the present invention;

FIG. 2 is a schematic structural view of a membrane separation module of the organic wastewater treatment equipment of the present invention;

FIG. 3 is a schematic structural view of an aeration system of the organic wastewater treatment apparatus of the present invention.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 3, the utility model relates to an organic wastewater treatment device, which comprises a collecting tank 1, a regulating sedimentation tank 2, an anaerobic tank 3, an intermediate sedimentation tank 4, a photolysis tank 5 and an MBR tank 6. The collecting tank 1 is used for collecting wastewater and primarily filtering the wastewater, the collecting tank 1 and the adjusting sedimentation tank 2 are separated by a partition wall 11, a communication opening 111 is formed in the partition wall 11, and a filter screen 112 is arranged in the communication opening 111; insoluble substances such as suspended substances and residues in water can be filtered through the filter screen 112, so that subsequent treatment is facilitated; the adjusting sedimentation tank 2 is used for depositing sludge, the adjusting sedimentation tank 2 is connected with the anaerobic tank 3 through an upper inclined pipe 20, and the anaerobic tank 2 is connected with the intermediate sedimentation tank 4 through a pipeline; through placing the biological carrier who fills containing anaerobism in the anaerobism pond 2, under the condition of anaerobic environment, the organic matter carries out anaerobic decomposition, produces hydrogen sulfide, ammonia and mercaptan, utilizes anaerobism pond 3 can get rid of partial organic matter in the water for COD discharge reduces, and middle sedimentation tank 4 is used for the deposit sediment, and middle sedimentation tank 4 passes through the warning pipe and connects photolysis tank 5, and photolysis tank 5 connects MBR pond 6, the utility model discloses in, be equipped with UV ultraviolet fluorescent tube 51 and the catalyst plate 52 that the top layer coated has titanium dioxide in photolysis tank 5; in the photolysis tank 5, the organic matters in the water can be further decomposed by using the UV lamp tube 51 and the catalyst plate 52 coated with titanium dioxide on the surface layer, so that the organic matters in the water are further treated; the MBR tank is used for separating the treated sewage, and a membrane separation assembly 7 is arranged in the MBR tank 6; as shown in fig. 2, the membrane separation module 7 includes a frame 71, a filter mesh 72, and a membrane module 73; the filter screen 72 is a stainless steel metal filter screen or a nylon screen, the filter screen 72 is additionally arranged outside the membrane component 73, so that the first-stage membrane filtration is changed into a double-stage membrane filtration, the membrane component 73 is separated from large-particle-size pollutants, activated sludge and macromolecules rich in microorganisms are retained outside the filter screen 72, the pollution of biological sludge to the membrane component 73 is obviously reduced, the service life of the membrane component 73 can be prolonged, and the membrane flux in the use process can be improved; the outer surfaces of the frame 71 are respectively provided with a filter screen 72; a plurality of membrane assemblies 73 are arranged in the frame 71; membrane module 73 includes outlet pipe 731, tip 732, and hollow fiber membrane 733; the lower end of the hollow fiber membrane 733 is closed; the water outlet pipe 731 is connected with the main water outlet pipe 8; the main water outlet pipe 8 is provided with a self-priming pump 81, and the main water outlet pipe 8 is connected with a clean water tank. Because the utility model discloses a hollow fiber membrane 733 has the efficient separation effect to bioreactor's mixed liquid, can thoroughly separate mud and play water, so can make the SS and the turbidity of play water be close to zero, simultaneously because activated sludge's loss is nearly zero for activated sludge concentration in the bioreactor can be than traditional technology and is improved denitrogenation ability about 2-5 times higher than, greatly.

In order to facilitate aeration or air washing of the whole MBR tank 7, an aeration system 9 is also arranged in the MBR tank 7; wherein the aeration system 9 comprises an aeration main pipe 91, an aeration fan 92 and a microporous aeration pipe 93; the aeration fan 92 is connected with a plurality of aeration branch pipes 94 through an aeration main pipe 91, and the aeration branch pipes 94 are connected with a plurality of microporous aeration pipes 93; the microporous aeration pipe 93 is arranged at the bottom of the MBR tank 6.

In order to facilitate the removal of the sludge in the adjusting sedimentation tank 2, a sludge pump 21 is arranged in the adjusting sedimentation tank 2, and the sludge pump 21 is connected with a sludge discharge pipeline.

In order to avoid the sludge sedimentation in the anaerobic tank 3, a stirrer 31 is further arranged on the anaerobic tank 3, and the sludge sedimentation is avoided by the stirring of the stirrer 31, so that the subsequent treatment is facilitated.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. An organic wastewater treatment device comprises a collecting tank (1), an adjusting sedimentation tank (2), an anaerobic tank (3), a middle sedimentation tank (4), a photolysis tank (5) and an MBR tank (6), and is characterized in that the collecting tank (1) and the adjusting sedimentation tank (2) are separated by a partition wall (11), a communication port (111) is formed in the partition wall (11), and a filter screen (112) is arranged in the communication port (111); the adjusting sedimentation tank (2) is connected with an anaerobic tank (3) through an upper inclined pipe (20), and the anaerobic tank (3) is connected with the intermediate sedimentation tank (4) through a pipeline; the middle sedimentation tank (4) is connected with a photolysis tank (5) through an overflow pipe, the photolysis tank (5) is connected with the MBR tank (6), and a membrane separation assembly (7) is arranged in the MBR tank (6); the membrane separation assembly (7) comprises a frame (71), a filter screen (72) and a membrane assembly (73); the outer surfaces of the frame (71) are respectively provided with the filter screen (72); a plurality of membrane assemblies (73) are arranged in the frame (71); the membrane assembly (73) comprises a water outlet pipe (731), a tip (732) and a hollow fiber membrane (733); the lower end of the hollow fiber membrane (733) is closed; the water outlet pipe (731) is connected with the main water outlet pipe (8); be equipped with self priming pump (81) on main outlet pipe (8), clean water basin is connected in main outlet pipe (8).

2. The organic wastewater treatment apparatus according to claim 1, wherein the filter net (72) is a stainless steel metal filter net or a nylon net.

3. The organic wastewater treatment plant according to claim 1, characterized in that an aeration system (9) is further provided in the MBR tank (6); wherein the aeration system (9) comprises an aeration main pipe (91), an aeration fan (92) and a microporous aeration pipe (93); the aeration fan (92) is connected with a plurality of aeration branch pipes (94) through an aeration main pipe (91), and the aeration branch pipes (94) are connected with a plurality of microporous aeration pipes (93); the microporous aeration pipe (93) is arranged at the bottom of the MBR tank (6).

4. The organic wastewater treatment equipment according to claim 1, wherein a sludge pump (21) is arranged in the adjusting sedimentation tank (2), and the sludge pump (21) is connected with a sludge discharge pipeline.

5. The organic wastewater treatment facility according to claim 1, wherein an agitator (31) is further provided on the anaerobic tank (3).

6. The organic wastewater treatment facility according to claim 1, wherein the photolysis cell (5) is provided with a UV lamp tube (51) and a catalyst plate (52) coated with titanium dioxide on the surface.