CN213112677U

CN213112677U - Novel dynamic membrane bioreactor

Info

Publication number: CN213112677U
Application number: CN202021650970.3U
Authority: CN
Inventors: 张春龙
Original assignee: Zhejiang Jiaguan Environmental Protection Co ltd
Current assignee: Zhejiang Jiaguan Environmental Protection Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-05-04
Anticipated expiration: 2030-08-10

Abstract

The utility model relates to a membrane bioreactor technical field specifically is a novel dynamic membrane bioreactor, including the reaction tank, a side upper end through connection of reaction tank has the inlet tube, the inside of reaction tank is equipped with the membrane module, the upper end of membrane module and the roof fixed connection of reaction tank, the up end through connection of reaction tank has the pipe that absorbs water. The utility model discloses a set up the membrane module of cuboid form in membrane reaction tank, set up the fibrous membrane body in the both sides of membrane module, and be equipped with the pipe that absorbs water in the membrane module, the upper end of the pipe that absorbs water is connected outlet pipe and backwash water pipe respectively, carry out filtration treatment through the fibrous membrane to sewage, and can carry out the backwash to the membrane body through backwash water pipe, set up the horizontal pipe of a plurality of by the lower extreme that absorbs water the pipe, set up the through-hole of a plurality of orientation membrane body on horizontal pipe, make the backwash accuracy of the membrane body higher, the effect is better, and pass through the blow off pipe with the magazine of backwash and discharge, increase the life of the membrane body.

Description

Novel dynamic membrane bioreactor

Technical Field

The utility model relates to the technical field of membrane bioreactors, in particular to a novel dynamic membrane bioreactor.

Background

The membrane-bioreactor is a novel state wastewater treatment system organically combining membrane separation technology and biological treatment technology. The membrane component replaces a secondary sedimentation tank at the tail end of the traditional biological treatment technology, the concentration of the high-activity sludge is kept in a bioreactor, the organic load of biological treatment is improved, the occupied area of a sewage treatment facility is reduced, and the excess sludge amount is reduced by keeping low sludge load. Active sludge and macromolecular organic matters in water are intercepted mainly by utilizing membrane separation equipment.

Most of the existing membrane bioreactors reduce the flux of a membrane body after being used for a long time and need backwashing, but the existing membrane body has poor backwashing effect, so that the service life of the membrane body is shortened, the replacement times and cost are increased, and a novel dynamic membrane bioreactor is provided for people.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel dynamic membrane bioreactor to solve the problems in the background technology.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel dynamic membrane bioreactor comprises a reaction tank, wherein the upper end of one side surface of the reaction tank is connected with a water inlet pipe in a through way, a membrane component is arranged in the reaction tank, the upper end of the membrane component is fixedly connected with the top wall of the reaction tank, the upper end surface of the reaction tank is connected with a water suction pipe in a through way, the lower end of the water suction pipe extends into the membrane component, the outer side end of the water suction pipe is connected with a three-way pipe, one end of the three-way pipe is connected with a water outlet pipe in a through way, the other end of the three-way pipe is connected with a back flushing pipe in a through way, a water pump is arranged on the water outlet pipe, the outer side surface of the water pump is arranged on the upper end surface of the reaction tank through a fixing frame, the lower end wall of the reaction tank is connected with a blow-off pipe in a through, the water suction pipe is provided with a plurality of transverse pipes at two sides of the interior of the membrane module, and the transverse pipes are parallel to the membrane body surface.

As a further aspect of the present invention: the transverse pipe and the water suction pipe are both provided with a plurality of through holes at the inner end of the membrane component.

As a further aspect of the present invention: the lower end of the water suction pipe and the outer side end of the transverse pipe are sealed through sealing plugs.

As a further aspect of the present invention: the membrane body is a fiber membrane.

As a further aspect of the present invention: the outer opening ends of the through holes face the membrane body.

As a further aspect of the present invention: and control valves are arranged on the water inlet pipe, the back flushing pipe and the sewage discharge pipe.

Compared with the prior art, the utility model has the advantages of following several aspects:

the utility model discloses a set up the membrane module of cuboid form in membrane reaction tank, set up the fibrous membrane body in the both sides of membrane module, and be equipped with the pipe that absorbs water in the membrane module, the upper end of the pipe that absorbs water is connected outlet pipe and backwash water pipe respectively, carry out filtration treatment through the fibrous membrane to sewage, and can carry out the backwash to the membrane body through backwash water pipe, set up the horizontal pipe of a plurality of by the lower extreme that absorbs water the pipe, set up the through-hole of a plurality of orientation membrane body on horizontal pipe, make the backwash accuracy of the membrane body higher, the effect is better, and pass through the blow off pipe with the magazine of backwash and discharge, increase the life of the membrane body.

Drawings

FIG. 1 is a schematic structural diagram of a novel dynamic membrane bioreactor.

FIG. 2 is a schematic diagram of a side view structure of a membrane module in a novel dynamic membrane bioreactor.

In the figure: 1. a reaction tank; 2. a valve; 3. a blow-off pipe; 4. a water inlet pipe; 5. a suction pipe; 6. a three-way joint; 7. a backwash pipe; 8. a water outlet pipe; 9. a water pump; 10. a fixed mount; 11. a membrane body; 12. a membrane support frame; 13. a transverse tube; 14. a through hole; 15. and (4) sealing the plug.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1 and 2, a novel dynamic membrane bioreactor comprises a reaction tank 1 for placing a reaction bacterial colony, a water inlet pipe 4 is connected to the upper end of one side of the reaction tank 1 in a through manner, a membrane module is arranged in the reaction tank 1, the upper end of the membrane module is fixedly connected with the top wall of the reaction tank 1, a water suction pipe 5 is connected to the upper end surface of the reaction tank 1 in a through manner, the lower end of the water suction pipe 5 extends into the membrane module, a three-way pipe is connected to the outer side end of the water suction pipe 5, one end of the three-way pipe is connected with a water outlet pipe 8 in a through manner, the other end of the three-way pipe is connected with a back flushing pipe 7 in a through manner, a water pump 9 is arranged on the water outlet pipe 8, the outer side surface of the water pump 9 is mounted on the upper end surface of the reaction tank 1 through a fixing, the upper end of the membrane support frame 12 is fixedly connected to the inner fixed wall of the reaction tank 1, the water suction pipe 5 is provided with a plurality of transverse pipes 13 positioned at two sides of the interior of the membrane component, and the transverse pipes 13 are parallel to the surface of the membrane body 11.

The transverse pipe 13 and the water suction pipe 5 are provided with a plurality of through holes 14 at the inner end of the membrane module.

The lower end of the barrel 5 and the outer end of the transverse pipe 13 are sealed by a sealing plug 15.

The membrane body 11 is a fibrous membrane.

The outer opening ends of the plurality of through holes 14 face the membrane body 11.

The water inlet pipe 4, the back flushing pipe 7 and the sewage draining pipe 3 are all provided with control valves 2.

The utility model discloses a theory of operation is: the utility model is in operation, place the reaction bacterial colony in reaction tank 1, and set up the membrane module of cuboid form in reaction tank 1, set up fibrous membrane body 11 in the both sides of membrane module, the sewage that will handle is pumped into reaction tank 1 from inlet tube 1, and be equipped with water suction pipe 5 in the membrane module, water outlet pipe 8 and backwash water pipe 7 are connected respectively to the upper end of water suction pipe 5, set up water pump 9 on water outlet pipe 8, filter the sewage through the fibrous membrane, discharge after water in reaction tank 1 filters through membrane body 11 through water pump 9, and can open the valve on the backwash water pipe, backwash membrane body 11 through backwash water pipe 7, because the lower extreme of water suction pipe 5 sets up a plurality of horizontal pipes 13, set up a plurality of through-holes 14 towards membrane body 11 on horizontal pipe 13, backwash water washes membrane body 11 through-hole 14, make membrane body 11's backwash accuracy higher, the effect is better, and the magazine of back flush is discharged through blow off pipe 3, increases the life of membrane body 11, and the valve of closing inlet tube 4 simultaneously, beat the valve on blow off pipe 3 and can discharge the magazine in the reaction tank, keeps the cleanness of reaction tank 1 and membrane module, further increases membrane body 11 life.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A novel dynamic membrane bioreactor is characterized by comprising a reaction tank (1), wherein the upper end of one side surface of the reaction tank (1) is connected with a water inlet pipe (4) in a through way, a membrane module is arranged in the reaction tank (1), the upper end of the membrane module is fixedly connected with the top wall of the reaction tank (1), the upper end surface of the reaction tank (1) is connected with a water suction pipe (5) in a through way, the lower end of the water suction pipe (5) extends into the membrane module, the outer side end of the water suction pipe (5) is connected with a three-way pipe, one end of the three-way pipe is connected with a water outlet pipe (8) in a through way, the other end of the three-way pipe is connected with a back flushing water pipe (7) in a through way, a water pump (9) is arranged on the water outlet pipe (8), the outer side surface of the water pump (9) is arranged on the upper end surface of the reaction, the membrane assembly comprises a cuboid-shaped membrane support frame (12) and membrane bodies (11) which are hermetically connected to two surfaces of the membrane support frame (12), the upper end of the membrane support frame (12) is fixedly connected to the inner fixed wall of the reaction tank (1), a plurality of transverse pipes (13) are arranged on two sides of the interior of the membrane assembly of the water suction pipe (5), and the transverse pipes (13) are parallel to the surfaces of the membrane bodies (11).

2. The novel dynamic membrane bioreactor as claimed in claim 1, wherein the transverse pipe (13) and the suction pipe (5) are provided with a plurality of through holes (14) on the inner end of the membrane module.

3. The novel dynamic membrane bioreactor as claimed in claim 2, characterized in that the outer mouth ends of a plurality of through holes (14) are all towards the membrane body (11).

4. The novel dynamic membrane bioreactor as claimed in claim 1, characterized in that the membrane body (11) is a fibrous membrane.

5. The novel dynamic membrane bioreactor as claimed in claim 1, wherein the lower end of the suction pipe (5) and the outer end of the transverse pipe (13) are sealed by a sealing plug (15).

6. The novel dynamic membrane bioreactor as claimed in claim 1, wherein the water inlet pipe (4), the backwashing water pipe (7) and the sewage discharge pipe (3) are all provided with control valves (2).