CN208586106U - Sewage treatment device of integrated membrane bioreactor - Google Patents

Abstract

The utility model discloses the sewage-treatment plants of integrated film bioreactor, including water tank, aerator, the first peristaltic pump, the second peristaltic pump, plate membrane, flowmeter；The water tank is divided into the first water tank and the second water tank by partition, is equipped with third water tank above second water tank；First tank top is equipped with bracket, aerator and the first peristaltic pump are equipped with above the bracket, one interface of aerator is connected with first water pipe one end, the first water pipe other end is inserted into third water tank, and the first water pipe that the first water pipe of another interface connection of aerator is connect with the first peristaltic pump comes together in the first water tank by threeway；Activated sludge and plate membrane are equipped in first water tank, second water tank bottom is equipped with the second peristaltic pump, side wall is fixed with flowmeter, the plate membrane is successively connected in series with the input port of the second peristaltic pump, flowmeter by the second water pipe, and the output port of the flowmeter imports third water tank by third water pipe.

Description

Sewage treatment device of integrated membrane bioreactor

technical field

The utility model relates to sewage treatment, in particular to a sewage treatment device of an integrated membrane biological reactor.

Background technique

With the improvement of the quality of life, people have higher and higher requirements for the environment, and a large amount of domestic sewage has long been aroused widespread concern in the society. At present, the known membrane sewage treatment device is composed of multiple devices with different treatment functions in series, which is not integrated. When treating sewage, pretreatment needs to be carried out separately, and after treatment, it needs to be placed in a flat membrane device. , low efficiency and waste of resources.

Utility model content

In order to solve the deficiencies of the prior art, the purpose of this utility model is to provide a sewage treatment device of an integrated membrane bioreactor, which can perform preliminary treatment on sewage by aerating activated sludge to reduce the concentration of organic matter in sewage , which integrates the mixed liquid reflux and oxygenation functions to reduce energy consumption and improve the life of the membrane.

In order to achieve the above-mentioned goals, the utility model adopts the following technical scheme:

The sewage treatment device of the integrated membrane bioreactor includes a water tank, an aerator, a first peristaltic pump, a second peristaltic pump, a flat membrane, and a flow meter; the water tank is divided into a first water tank and a second water tank by a partition plate, A third water tank is arranged above the second water tank;

The top of the first water tank is provided with a bracket, the bracket is close to the left side of the third water tank, an aerator and a first peristaltic pump are arranged above the bracket, and an interface of the aerator is connected with one end of the first water pipe, so The other end of the first water pipe is inserted into the third water tank, and the first water pipe connected to the other interface of the aerator and the first water pipe connected to the first peristaltic pump are collected in the first water tank through a tee;

Activated sludge and a flat membrane are arranged in the first water tank, a second peristaltic pump is arranged at the bottom of the second water tank, a flow meter is fixed on the side wall, and the flat membrane is sequentially connected with the second peristaltic pump, The input ports of the flowmeter are connected in series, and the output port of the flowmeter is led into the third water tank through the third water pipe.

Preferably, one end of the left wall of the third water tank is provided with a plurality of overflow holes at the same level, and the first water pipe is inserted into the third water tank through the overflow holes.

Preferably, the upper end of the separator is provided with a first opening, and the second water pipe is connected to the flat membrane and the second peristaltic pump through the first opening.

Preferably, the right wall of the second water tank is provided with a flow meter and a second opening, and the third water pipe passes through the second opening to connect the output port of the flow meter and the top of the third water tank.

Further preferably, the first water pipe, the second water pipe and the third water pipe are all hoses.

Further preferably, a rigid water conduit at a fixed position is communicated between the second water tank and the third water tank, one end of the water conduit is connected to the second opening, and the other end of the water conduit extends into the third water tank, and the The third water pipe is connected with the third water tank through the water conduit.

Preferably, the width of the third water tank is equal to the width of the second water tank, and the length is greater than the length of the second water tank and less than the length of the water tank.

Preferably, several flat membranes are provided and are parallel to each other, and the flat membranes are perpendicular to the bottom of the first water tank.

Preferably, the aerator is a jet aerator.

The utility model has the advantages that: the sewage treatment device of the integrated membrane bioreactor of the present utility model, when treating sewage, the activated sludge oxidizes the sewage under aeration conditions to decompose the organic pollutants in the wastewater; The high surface cross-flow velocity can effectively control the membrane fouling problem caused by the formation of the gel layer by the suspended solids and colloidal substances; the flow meter is used to control the flow rate, and the structure is simple.

Description of drawings

FIG. 1 is a schematic structural diagram of the sewage treatment device of the integrated membrane bioreactor of the present invention.

The meanings of the symbols in the accompanying drawings are as follows: 1, water tank, 101, first water tank, 102, second water tank, 2, second peristaltic pump, 3, second water pipe, 4, third water pipe, 5, flow meter, 6, Water conduit, 7, third water tank, 8, overflow hole, 9, aerator, 10, first peristaltic pump, 11, bracket, 12, first water pipe, 13, flat membrane, 14, first opening, 15. The second opening.

Detailed ways

The present utility model is described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in Figure 1, the sewage treatment device of the integrated membrane bioreactor includes a water tank 1, an aerator 9, a first peristaltic pump 10, a second peristaltic pump 2, a flat membrane 13, and a flow meter 5; the water tank 1 It is divided into a first water tank 101 and a second water tank 102 by a partition, and a third water tank 7 is arranged above the second water tank 102;

The top of the first water tank 101 is provided with a bracket 11, an aerator 9 and a first peristaltic pump 10 are arranged above the bracket 11, an interface of the aerator 9 is connected to one end of the first water pipe 12, and the first water pipe 12 is connected to the first water pipe 12. The other end of a water pipe 12 is inserted into the third water tank 7, and the first water pipe 12 connected to the other interface of the aerator 9 and the first water pipe 12 connected to the first peristaltic pump 10 are collected in the first water tank 101 through a tee;

The first water tank 101 is provided with activated sludge and PVDF flat membrane 13, the second water tank 102 is provided with a second peristaltic pump 2 at the bottom, and a flow meter 5 is fixed on the side wall, through which the flow meter 5 controls the filling into the third water tank. The speed of the water in the water tank 7, the flat membrane 13 is sequentially connected in series with the input port of the second peristaltic pump 2 and the flowmeter 5 through the second water pipe 3, and the output port of the flowmeter 5 is introduced into the third through the third water pipe 4. The water tank 7 sends the treated sewage into the third water tank 7 .

One end of the left wall of the third water tank 7 is provided with a number of overflow holes 8 at the same level. When the water level in the third water tank 7 reaches the height of the overflow hole 8, the water directly flows into the first water tank 101 through the overflow hole 8, Dilute the concentration of sewage in the first water tank 101 to protect the PVDF flat membrane 13 ; the first water pipe 12 is inserted into the third water tank 7 through the overflow hole 8 .

The upper end of the separator is provided with a first opening 14 , and the second water pipe 3 is connected to the PVDF flat membrane 13 and the second peristaltic pump 2 through the first opening 14 .

The right wall of the second water tank 102 is provided with a flow meter 5 and a second opening 15 , and the third water pipe 4 passes through the second opening 15 to connect the output port of the flow meter 5 and the top of the third water tank 7 .

The first water pipe 12 , the second water pipe 3 and the third water pipe 4 are all made of hoses, and the shape can be changed arbitrarily, which is convenient for installation.

A rigid water conduit 6 at a fixed position is communicated between the second water tank 102 and the third water tank 7. In order to make the water conduit 6 have a fixed shape, one end of the water conduit 6 is connected to the second opening 15. 6. The other end extends into the third water tank 7, and the third water pipe 4 is connected to the third water tank 7 through the water conduit 6. Because the third water pipe 4 is a hose, it is inconvenient to fix. The water conduit 6 with a fixed shape can fix the third water pipe 4 .

The width of the third water tank 7 is equal to the width of the second water tank 102, and the length is greater than the length of the second water tank 102, and less than the total length of the water tank 1, so that the water in the third water tank 7 just falls into the first water tank through the overflow hole 8. Water tank 101 .

Several flat membranes 13 are provided and are parallel to each other, and the flat membranes 13 and the bottom of the first water tank 101 are perpendicular to each other. Several flat membranes 13 are connected in parallel, and are collected in the second water pipe 3 .

The aerator 9 is a jet aerator 9 .

The first peristaltic pump 10 sucks the water in the third water tank 7, mixes it with the gas sucked in by the jet aerator 9 in the tee, and releases it through the first hose. Since the aeration rate of 3.5L/min is much larger than the water absorption rate of 90mL/min, the gas-liquid mixture is released in a jet. The horizontal plate membrane 13 in the third water tank 7 and one interface of the second peristaltic pump 2 are connected in series through the second water pipe 3 passing through the first opening 14 , and then the other interface of the peristaltic pump is connected to the flow rate through the second water pipe 3 The input port of the meter 5; the finally treated sewage is introduced into the third water tank 7 through the third water pipe 4 connected in series with the flow meter 5. The first water tank 101 is provided with a flat membrane 13 and activated sludge, which is aerated by the jet aerator 9 on the support frame. When the water in the third water tank 7 reaches the water level of the overflow hole 8, the treated water can be overflowed to the first water tank 101 to reduce the pollutant concentration of the first water tank 101, and then reprocessed to achieve the purpose of circulating treatment.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the above-mentioned embodiments do not limit the present invention in any form, and all technical solutions obtained by means of equivalent replacement or equivalent transformation all fall within the protection scope of the present invention.

Claims (9)

1. the sewage-treatment plant of integrated film bioreactor, it is characterised in that: including water tank (1), aerator (9), first Peristaltic pump (10), the second peristaltic pump (2), plate membrane (13), flowmeter (5)；The water tank (1) is divided into the first water tank by partition (101) and the second water tank (102), the second water tank (102) top are equipped with third water tank (7)；

Bracket (11) are equipped at the top of first water tank (101), aerator (9) and first are equipped with above the bracket (11) and are wriggled It pumps (10), (9) one interface of aerator is connected with the first water pipe (12) one end, the first water pipe (12) other end insertion Third water tank (7), the first water pipe (12) of another interface connection of the aerator (9) connect with the first peristaltic pump (10) first Water pipe (12) comes together in the first water tank (101) by threeway；

Activated sludge and plate membrane (13) are equipped in first water tank (101), the second water tank (102) bottom is equipped with second Peristaltic pump (2), side wall are fixed with flowmeter (5), the plate membrane (13) by the second water pipe (3) successively with the second peristaltic pump (2), the input port of flowmeter (5) is connected in series, and the output port of the flowmeter (5) imports the by third water pipe (4) Three-tank (7).

2. the sewage-treatment plant of integrated film bioreactor according to claim 1, it is characterised in that: the third Water tank (7) left wall one end is equipped with several overflow holes (8) in same level, and first water pipe (12) passes through overflow hole (8) It is inserted into third water tank (7).

3. the sewage-treatment plant of integrated film bioreactor according to claim 1, it is characterised in that: the partition Upper end is equipped with the first aperture (14), and second water pipe (3) passes through the first aperture (14) and plate membrane (13) and the second peristaltic pump (2) it is connected.

4. the sewage-treatment plant of integrated film bioreactor according to claim 1, it is characterised in that: described second Water tank (102) right wall is equipped with flowmeter (5) and the second aperture (15), and the third water pipe (4) connects across the second aperture (15) At the top of the output port of flowmeter (5) and third water tank (7).

5. the sewage-treatment plant of integrated film bioreactor according to claim 1-4, it is characterised in that: First water pipe (12), the second water pipe (3), third water pipe (4) are all made of hose.

6. according to claim 1 or the sewage-treatment plant of 4 described in any item integrated film bioreactors, feature exist In: the hard aqueduct (6) of a fixed position, the water guide are linked between second water tank (102) and third water tank (7) The one end for managing (6) connects the second aperture (15), and aqueduct (6) other end protrudes into third water tank (7), the third water pipe (4) aqueduct (6) are passed through to be connected with third water tank (7).

7. the sewage-treatment plant of integrated film bioreactor according to claim 1, it is characterised in that: the third The width of water tank (7) is equal to the second water tank (102) width, and length is greater than the length of the second water tank (102), is less than water tank (1) Length.

8. the sewage-treatment plant of integrated film bioreactor according to claim 1, it is characterised in that: the plate Film (13) is equipped with several, and is parallel to each other, and the plate membrane (13) and the bottom of the first water tank (101) are mutually perpendicular to.

9. the sewage-treatment plant of integrated film bioreactor according to claim 1, it is characterised in that: the aeration Device (9) is using jet aerator (9).