CN201648191U

CN201648191U - Movable flat membrane bioreactor MBR sewage treatment equipment

Info

Publication number: CN201648191U
Application number: CN2010203021562U
Authority: CN
Inventors: 邓冬梅; 王玉喜
Original assignee: LIUZHOU SM ENVIRONMENTAL DEVELOPMENT Co Ltd
Current assignee: LIUZHOU SM ENVIRONMENTAL DEVELOPMENT Co Ltd
Priority date: 2010-02-02
Filing date: 2010-02-02
Publication date: 2010-11-24
Anticipated expiration: 2020-02-02

Abstract

The utility model relates to domestic sewage treatment equipment, in particular to movable flat membrane bioreactor MBR sewage treatment equipment, which comprises a tank I and a tank II. A clean water tank and an adjusting tank are divided and arranged in the tank I, a deposition tank is arranged in the adjusting tank, the clean water tank is provided with a water outlet pipe, a fine grating is arranged on the upper portion of the deposition tank, and a water outlet communicated with the adjusting tank is arranged on the upper portion of the deposition tank. A denitrification tank, an MBR tank and a machine room are divided and arranged in the tank II, wherein the denitrification tank is communicated with the MBR tank via a submersible pump III and a pipeline, at least one group of flat MBR membrane components is disposed in the MBR tank, a collector pipe on the upper portion of the membrane components is communicated with the clean water tank via a pipeline and a reclaimed water pump, an aerator pipe on the lower portion of the membrane component is communicated with an air blower, the adjusting tank is communicated with the denitrification tank, and the tank I is connected with the tank II via a connecting part. The movable flat membrane bioreactor MBR sewage treatment equipment can be moved secondarily, can not cause breakage of the membrane components, and is high in pollution resistant capacity, long in cleaning period, convenient in maintenance and long in service life.

Description

Movable flat film MBR sewage disposal device

[technical field]

The utility model relates to a kind of domestic sewage treatment device, particularly a kind of movable flat film MBR sewage disposal device

[background technology]

In the water reuse just with people in life with the assorted draining (not containing ight soil and kitchen draining) of exhausted high-quality in producing, assorted draining (not containing fecal sewage) and the reuse after the afflux manipulation of regeneration of dirty (give up) water of life, serve as floor cleaning, water flowers, carwash, air-conditioning cooling, wash the miscellaneous water that closet, fire-fighting etc. directly do not contact with human body.Along with the aggravation of shortage of water resources, middle water exploitation has obtained developing rapidly with reuse technology in the recent period.But, water reuse project among the existing MBR, general bigger, not removable, the less middle water reuse of construction scale to some scales, and have secondary to move the middle water reuse project of demand, inapplicable.In addition, water reuse project among the present MBR, used membrane module mostly is hollow fiber film assembly, has easy fracture of wire, and contamination resistance is poor, cleans frequently the shortcoming that the life-span is short, complex operation, maintenance cost height.

[utility model content]

The technical problems to be solved in the utility model is: a kind of equipment secondary moves, membrane module does not have the fracture of wire problem but provide, be difficult for contaminated, cleaning interval is long, movable flat film MBR sewage disposal device easily, solved the not removable and equipment of the equipment that uses in the water reuse project among the existing MBR exist clean frequent, safeguard complicated problems.

The technical scheme that solves the problems of the technologies described above is: a kind of movable flat film MBR sewage disposal device, this equipment comprises casing I and casing II, separate in the described casing I and be provided with clean water basin and equalizing tank, also separate in the equalizing tank and be provided with settling pit, the rising pipe that described clean water basin bottom is provided with submersible pump I and is communicated with submersible pump I, the top of settling pit is provided with fine fack, settling pit body top is provided with the water outlet that is communicated with equalizing tank, the settling pit top is provided with former water inlet pipe, separate in the described casing II and be provided with denitrification tank, MBR pond and machine room, denitrification tank is communicated with the MBR pond by submersible pump III and pipeline, be placed with at least one group of flat MBR membrane module in the MBR pond, the header on membrane module top is communicated with clean water basin 1 by pipeline and middle water pump, the aeration tube of membrane module bottom is communicated with gas blower by pipeline, described gas blower and middle water pump are placed in the machine room, the equalizing tank of casing I is communicated with the denitrification tank of casing II by submersible pump II and pipeline, connects by web member between casing I and the casing II.

Further technical scheme of the present utility model is: be arranged in parallel at least 2 group membrane modules in the described MBR pond.

Further technical scheme of the present utility model is: body top, described MBR pond has the overflow port that is communicated with denitrification tank.

The supporting sterilizing unit that is provided with of described clean water basin, described sterilizing unit comprises dosing tank, dosing pump and drug feeding pipeline, drug feeding pipeline be communicated with in water pump be communicated with the pipeline of clean water basin, dosing tank and dosing pump are positioned in the machine room.

But the utility model secondary moves, and membrane module does not have the fracture of wire problem, and contamination resistance is strong, and the cleaning interval is long easy to maintenance, long service life.The utility model adopts the container body of steel plate structure, and sewage pre-treatment and MBR subsequently handle and go out the water sterilization auxiliary facility and be integrated in the container body of steel plate, and container body of steel plate is placed on the ground, and casing can move by the lifting secondary, and it is low to have energy consumption, the advantage that floor space is little; The utility model adopts flat MBR membrane module, and membrane element is flat in the membrane module, and every flat membrane element sticks flat film cloth and forms on the two sides of back up pad, and membrane element loads into membrane element case at regular intervals.No fracture of wire problem, cleaning of face aeration and cross-flow are more effective, and pollutent is difficult for the deposition face, when monolithic membrane damages, can change separately.Described membrane bioreactor (Membrane Bioreactor is called for short MBR) technology is a kind of novel process that biologic treating technique combines with membrane separation technique, and it can carry out solid-liquid separation efficiently, the stable middle water that is directly used.Can keep the microbial biomass of high density again in biological tank, the technology excess sludge is few, can remove ammonia nitrogen effectively, goes out water suspension and turbidity and approaches zero, and bacterium and virus are removed significantly in the water outlet, and it can provide reliable assurance for quality of reused water.

Below, the technical characterictic to a kind of movable flat film MBR sewage disposal device of the utility model is further described in conjunction with the accompanying drawings and embodiments.

[description of drawings]

Fig. 1: the movable flat film MBR sewage disposal device structural representation of the utility model,

Fig. 2: each pond body of casing I of the utility model and casing II and machine room connected relation synoptic diagram,

Fig. 3: casing II master looks sectional view,

Fig. 4: casing II vertical view,

Fig. 5: clean water basin and sterilizing unit are communicated with synoptic diagram,

Fig. 6: flat MBR membrane module structure synoptic diagram.

Among the figure:

A-casing I, B-casing II, 1-clean water basin, 11-submersible pump I, the 12-rising pipe, 2-settling pit, 21-fine fack, the water outlet that 22-is communicated with equalizing tank, 3-equalizing tank, 31-submersible pump II, the 4-denitrification tank, 41-submersible pump III, 5-MBR pond, the 51-membrane module, 511-header, 512-membrane element, 513-membrane element case, 514-aeration case, 515-aeration tube, the 52-overflow port, 6-machine room, water pump among the 61-, the 62-gas blower, 7-sterilizing unit, 71-dosing tank, the 72-dosing pump, 73-drug feeding pipeline, the former water inlet pipe of 8-, the 9-stair, 10-connects steel plate, 11-housing.

[embodiment]

Embodiment one:

A kind of movable flat film MBR sewage disposal device is (referring to Fig. 1～Fig. 6), comprise casing I A and casing IIB, separate in the described casing I and be provided with clean water basin 1 and equalizing tank 3, also separate in the equalizing tank 3 and be provided with settling pit 2, the rising pipe 12 that the clean water basin bottom is provided with submersible pump I11 and is communicated with submersible pump I, the top of settling pit 2 is provided with fine fack 21, settling pit body top is provided with the water outlet 22 that is communicated with equalizing tank, the settling pit top is provided with former water inlet pipe 8, separate in the described casing II and be provided with denitrification tank 4, MBR pond 5 and machine room 6, denitrification tank 4 is communicated with MBR pond 5 by submersible pump III41 and pipeline, body top, MBR pond has the overflow port 52 that is communicated with denitrification tank, when sewage is too much in the MBR pond, can be back to denitrification tank 4 from overflow port, parallel connection is placed with 4 groups of flat MBR membrane modules 51 in the MBR pond 5, the header 511 on every group of membrane module 51 tops is communicated with clean water basin 1 by pipeline and middle water pump 61, the aeration tube 515 of membrane module 51 bottoms is communicated with gas blower 62 by pipeline, described gas blower 62 and middle water pump 61 are placed in the machine room, the equalizing tank 3 of casing I is communicated with the denitrification tank 4 of casing II by submersible pump II 31 and pipeline, is welded to connect by connecting steel plate 10 between casing I and the casing II; The described clean water basin 1 supporting sterilizing unit 7 that is provided with, described sterilizing unit comprises dosing tank 71, dosing pump 72 and drug feeding pipeline 73, drug feeding pipeline 73 be communicated with in water pump 61 be communicated with the pipeline of clean water basin, the sterilization soup is sneaked into from the membrane module 51 headers 511 effusive clear water of having handled well and carried out disinfection, dosing tank and dosing pump are positioned in the machine room, and robot control system(RCS) of the present utility model also is positioned in the machine room.Described casing I A and casing IIB can adopt stainless steel to make.

As a kind of conversion of present embodiment, the quantity of the flat MBR membrane module that is provided with in the described MBR pond can increase or reduce according to the actual sewage treatment capacity; According to whether reuse of water outlet, whether decision is provided with sterilizing unit, when water outlet directly effluxes not reuse, also sterilizing unit can be set, described sterilizing unit can also adopt other structure formations, also can connect by other web members between described casing I and the casing II.

Flat MBR membrane module described in the utility model is made up of aeration case 514 and membrane element case 513, the membrane element case is equipped with the flat membrane element 512 of some amount, flat membrane element is to form at the two sides of back up pad welding plate formula film cloth, its concrete structure is identical with existing flat MBR membrane module, be not described in detail herein, during the membrane module operation, clear water sees through film cloth, enters header and further collects.

The utility model needs supporting other hold well, coarse rack and suction well, when disposing of sewage, sewage is through equipment outer hold well, coarse rack and suction well, pass through settling pit 2 of the present utility model, equalizing tank 3, denitrification tank 4, MBR pond 5 and clean water basin 1 then successively, pollutent is effectively removed, water outlet can reach middle water reuse demand, and each pond body of the present utility model act as:

A, settling pit: sewage is promoted to fine fack through pump, enters aerated grit chamber after further removing foreign material;

B, equalizing tank: balanced sewage quality, the water yield;

C, denitrification tank:, reduce total nitrogen level in the waste water in order to carry out denitrification;

D, MBR pond: the main place of biochemical treatment, it also is the place that flat MBR membrane module is laid, sewage after denitrogenation processing is promoted in the MBR pond by lift pump, enters the reuse clean water basin through filtering by the vacuum primingpump extraction through membrane element after aerobic aeration and the biological treatment again;

E, clean water basin: store the clear water after handling, supporting sterilizing unit.

The internal structure of settling pit 2 described in the utility model, equalizing tank 3, denitrification tank 4 and clean water basin 1 is identical with existing settling pit, equalizing tank, denitrification tank and clean water basin, the structure of hold well, coarse rack and suction well that equipment is outer is a known technology also, repeats no more herein.

Claims

1. movable flat film MBR sewage disposal device, it is characterized in that: this equipment comprises casing I (A) and casing II (B), separate in the described casing I (A) and be provided with clean water basin (1) and equalizing tank (3), also separate in the equalizing tank (3) and be provided with settling pit (2), the rising pipe (12) that described clean water basin bottom is provided with submersible pump I (11) and is communicated with submersible pump I, the top of settling pit (2) is provided with fine fack (21), settling pit body top is provided with the water outlet (22) that is communicated with equalizing tank, the settling pit top is provided with former water inlet pipe (8), separate in the described casing II (B) and be provided with denitrification tank (4), MBR pond (5) and machine room (6), denitrification tank (4) is communicated with MBR pond (5) by submersible pump III (41) and pipeline, be placed with at least one group of flat MBR membrane module (51) in the MBR pond (5), the header on membrane module (51) top is communicated with clean water basin (1) by pipeline and middle water pump (61), the aeration tube of membrane module (51) bottom is communicated with gas blower (62) by pipeline, described gas blower (62) and middle water pump (61) are placed in the machine room, the equalizing tank of casing I (3) is communicated with the denitrification tank (4) of casing II by submersible pump II (31) and pipeline, connects by web member between casing I and the casing II.

2. movable flat film MBR sewage disposal device according to claim 1 is characterized in that: be arranged in parallel at least 2 group membrane modules (51) in the described MBR pond (5).

3. movable flat film MBR sewage disposal device according to claim 1 is characterized in that: body top, described MBR pond has the overflow port (52) that is communicated with denitrification tank.

4. according to claim 1,2 or 3 described movable flat film MBR sewage disposal devices, it is characterized in that: the supporting sterilizing unit (7) that is provided with of described clean water basin (1), described sterilizing unit comprises dosing tank (71), dosing pump (72) and drug feeding pipeline (73), drug feeding pipeline (73) be communicated with in water pump (61) be communicated with the pipeline of clean water basin, dosing tank and dosing pump are positioned in the machine room.