CN201648191U - Mobile flat membrane MBR sewage treatment equipment - Google Patents

Abstract

The utility model relates to domestic sewage treatment equipment, in particular to a mobile flat membrane MBR sewage treatment equipment. The equipment includes box body I and box body II. A clear water tank and a regulating tank are arranged separately in the box body I. A grit chamber is also arranged separately in the regulating tank. The clear water tank is provided with an outlet pipe, and a fine grid is arranged on the upper part of the grit chamber. , the upper part of the grit chamber body is provided with a water outlet connected to the regulating tank, and the denitrification tank, MBR tank and machine room are separately arranged in the box body II, and the denitrification tank is connected with the MBR tank through the submersible pump III and pipelines, and the MBR tank is placed with At least one set of flat MBR membrane modules, the water collection pipe on the upper part of the membrane module is connected to the clean water tank through the pipeline and the reclaimed water pump, the aeration pipe on the lower part of the membrane module is connected to the blower, the regulating tank is connected to the denitrification tank, the box I and the box II are connected by connectors. The utility model can be moved twice, the membrane module has no broken wire problem, has strong anti-pollution ability, long cleaning cycle, convenient maintenance and long service life.

Description

Mobile flat membrane MBR sewage treatment equipment

【Technical field】

The utility model relates to a domestic sewage treatment equipment, in particular to a mobile flat membrane MBR sewage treatment equipment

【Background technique】

The reuse of reclaimed water is to return the high-quality miscellaneous drainage (excluding feces and kitchen drainage), miscellaneous drainage (excluding fecal sewage) and domestic sewage (waste) water used in people's life and production to recycling. It can be used as miscellaneous water that does not come into direct contact with the human body, such as ground cleaning, watering flowers, car washing, air conditioning cooling, flushing toilets, fire fighting, etc. With the aggravation of water shortage, reclaimed water development and reuse technology has developed rapidly recently. However, the existing MBR reclaimed water reuse projects generally have a large construction scale and cannot be moved, so it is not applicable to some small-scale reclaimed water reuse projects and reclaimed water reuse projects that require secondary movement. In addition, most of the membrane modules used in the current MBR water reuse project are hollow fiber membrane modules, which have the disadvantages of easy broken wires, poor anti-pollution ability, frequent cleaning, short life, cumbersome operation and high maintenance costs.

【Content of utility model】

The technical problem to be solved by the utility model is to provide a mobile flat membrane MBR sewage treatment equipment that can be moved twice, has no broken wires in the membrane module, is not easily polluted, has a long cleaning cycle, and is convenient to solve the problem of existing MBR sewage treatment equipment. The equipment used in the reclaimed water reuse project cannot be moved, and the equipment has the problems of frequent cleaning and complicated maintenance.

The technical solution to solve the above technical problems is: a mobile flat membrane MBR sewage treatment equipment, the equipment includes a box body I and a box body II, the box body I is separately provided with a clear water pool and a regulating pool, and the regulating pool is also A grit chamber is arranged separately, the bottom of the clear water tank is provided with a submersible pump I and an outlet pipe connected with the submersible pump I, the upper part of the grit chamber is provided with a fine grid, and the upper part of the grit chamber body is provided with a The water outlet of the grit chamber is provided with a raw water inlet pipe above the grit chamber, and the denitrification tank, MBR pool and machine room are separated in the box II. The denitrification tank is connected with the MBR pool through the submersible pump III and pipelines, and the MBR pool is placed There is at least one set of flat-plate MBR membrane modules, the water collection pipe on the upper part of the membrane module is connected with the clear water tank 1 through the pipeline and the reclaimed water pump, the aeration pipe at the lower part of the membrane module is connected with the blower through the pipeline, and the blower and the reclaimed water pump are placed in the machine room Inside, the regulating tank of the tank I communicates with the denitrification tank of the tank II through the submersible pump II and pipelines, and the tank I and the tank II are connected by connecting pieces.

A further technical solution of the utility model is: at least two sets of membrane modules are arranged in parallel in the MBR pool.

A further technical solution of the utility model is: the upper part of the MBR tank body is provided with an overflow port communicating with the denitrification tank.

The clean water pool is equipped with a disinfection device, and the disinfection device includes a dosing box, a dosing pump and a dosing pipeline, the dosing pipeline communicates with the pipeline connecting the reclaimed water pump and the clean water pool, the dosing box and the dosing pump placed in the machine room.

The utility model can be moved twice, the membrane module has no broken wire problem, has strong anti-pollution ability, long cleaning cycle, convenient maintenance and long service life. The utility model adopts a steel plate box structure, sewage pretreatment and subsequent MBR treatment and water disinfection auxiliary equipment are integrated in the steel plate box, the steel plate box is placed on the ground, and the box can be moved twice by hoisting, which has low energy consumption and occupies The advantages of small floor area; the utility model adopts flat-plate MBR membrane module, the membrane element in the membrane module is flat-type, and each flat-type membrane element is formed by pasting flat-type membrane cloth on both sides of the support plate. Fill the membrane element box at certain intervals. There is no problem of broken wires, the aeration and cross-flow of the membrane surface are more effective, and the pollutants are not easy to deposit on the membrane surface. When a single membrane is damaged, it can be replaced separately. Described membrane bioreactor (Membrane Bioreactor, be called for short MBR) technology is a kind of new process that biological treatment technology and membrane separation technology combine, and it can carry out solid-liquid separation efficiently, obtain the stable reclaimed water of direct use. Maintaining a high concentration of microbial biomass in the biological pool, less residual sludge in the process, can effectively remove ammonia nitrogen, suspended solids and turbidity in the effluent are close to zero, and bacteria and viruses in the effluent are greatly removed. It can provide reliable water quality for reuse. ensure.

Below, the technical features of a mobile flat membrane MBR sewage treatment equipment of the present invention will be further described in conjunction with the accompanying drawings and embodiments.

【Description of drawings】

Figure 1: Schematic diagram of the structure of the mobile flat membrane MBR sewage treatment equipment of the present invention,

Figure 2: A schematic diagram of the communication relationship between the pools of the tank I and the tank II of the utility model and the machine room,

Figure 3: Front sectional view of enclosure II,

Figure 4: Top view of box II,

Figure 5: Schematic diagram of the connection between the clean water pool and the disinfection device,

Figure 6: Schematic diagram of the structure of a flat MBR membrane module.

In the picture:

A-cabinet I, B-cabinet II, 1-clear water pool, 11-submersible pump I, 12-outlet pipe, 2-grit chamber, 21-fine grid, 22-water outlet connected to the regulating tank, 3-Regulation tank, 31-submersible pump II, 4-denitrification tank, 41-submersible pump III, 5-MBR tank, 51-membrane module, 511-water collection pipe, 512-membrane element, 513-membrane element box, 514 -Aeration box, 515-Aeration pipe, 52-Overflow port, 6-Computer room, 61-Reclaimed water pump, 62-Blower, 7-Disinfection device, 71-Dosing box, 72-Dosing pump, 73-Adding Medicine pipeline, 8-raw water inlet pipe, 9-stairs, 10-connecting steel plate, 11-control cabinet.

【Detailed ways】

Embodiment one:

A kind of mobile flat membrane MBR sewage treatment equipment (referring to Fig. 1～Fig. 6), comprises casing 1 A and casing IIB, and described casing 1 is separately provided with clean water pool 1 and regulating pond 3, regulating pond 3 Grit chamber 2 is also arranged separately in the interior, and the bottom of clean water pond is provided with submersible pump 111 and the outlet pipe 12 that communicates with submersible pump 1, and the top of grit chamber 2 is provided with fine grid 21, and the top of grit chamber body is provided with The water outlet 22 connected to the adjustment tank, the raw water inlet pipe 8 is arranged above the grit chamber, the denitrification tank 4, the MBR tank 5 and the machine room 6 are separately arranged in the box II, and the denitrification tank 4 passes through the submersible pump III41 and The pipeline is connected to the MBR pool 5, and the upper part of the MBR pool body is provided with an overflow port 52 connected to the denitrification pool. When there is too much sewage in the MBR pool, it can flow back from the overflow port to the denitrification pool 4, and the MBR pool 5 is placed in parallel There are 4 sets of flat MBR membrane modules 51, the water collection pipe 511 on the upper part of each set of membrane modules 51 communicates with the clear water tank 1 through pipelines and the reclaimed water pump 61, and the aeration pipe 515 at the bottom of the membrane modules 51 communicates with the blower 62 through pipelines. The air blower 62 and the reclaimed water pump 61 are placed in the machine room, the regulating pool 3 of the box body I communicates with the denitrification pool 4 of the box body II through the submersible pump II 31 and pipelines, and the connecting steel plate 10 is connected between the box body I and the box body II Welding connection; described clear water tank 1 is equipped with disinfection device 7, and described disinfection device comprises dosing box 71, dosing pump 72 and dosing pipeline 73, and dosing pipeline 73 is connected with reclaimed water pump 61 and clear water tank The pipeline is connected, and the disinfectant liquid is mixed into the treated clear water flowing out from the membrane module 51 water collecting pipe 511 for disinfection. The dosing box and the dosing pump are placed in the machine room, and the automatic control system of the utility model is also placed in the machine room. Described casing IA and casing IIB can adopt stainless steel to make.

As a transformation of this embodiment, the number of flat-plate MBR membrane modules provided in the MBR pool can be increased or decreased according to the actual sewage treatment capacity; according to whether the effluent is reused, it is determined whether to install a disinfection device, when the effluent is directly discharged When not being reused, the disinfection device may not be provided, and the disinfection device may also adopt other structural forms, and the box I and the box II may also be connected by other connecting pieces.

The flat-type MBR membrane module described in the utility model is composed of an aeration box 514 and a membrane element box 513. The membrane element box is equipped with a certain number of flat-type membrane elements 512. The flat-type membrane elements are welded on both sides of the support plate. Its specific structure is the same as that of the existing flat-plate MBR membrane module, and will not be described in detail here. When the membrane module is running, clean water passes through the membrane cloth and enters the water collection pipe for further collection.

The utility model needs to be equipped with other sewage wells, coarse grids and water absorption wells. When treating sewage, the sewage passes through the sewage wells, coarse grids and water absorption wells outside the equipment, and then passes through the grit chamber 2 and the regulating tank of the utility model in sequence. 3. In the denitrification pool 4, the MBR pool 5 and the clear water pool 1, the pollutants are effectively removed, and the effluent can meet the requirements of reclaimed water reuse. The functions of each pool body of the utility model are as follows:

a. Grit chamber: the sewage is lifted to the fine grid by the pump, and enters the aeration grit chamber after further removing debris;

b. Regulating pool: balance the water quality and quantity of sewage;

c. Denitrification pool: used for denitrification to reduce the total nitrogen level in wastewater;

d. MBR pool: the main place for biochemical treatment, and also the place where the flat MBR membrane module is placed. The sewage after denitrification treatment is lifted to the MBR pool by the lift pump, and then passed through the membrane element after aerobic aeration and biological treatment Filtration is pumped out through the self-priming pump into the reuse clear water pool;

e. Clean water pool: store treated clean water, equipped with a disinfection device.

The internal structure of the grit chamber 2, regulating pond 3, denitrification pond 4 and clean water pond 1 described in the utility model is the same as the existing grit chamber, regulating pond, denitrification pond and clean water pond, and the sewage well outside the equipment The structures of the coarse grid and the water-absorbing well are also known technologies, and will not be repeated here.

Claims (4)

1. A mobile flat membrane MBR sewage treatment equipment is characterized in that: the equipment comprises casing I (A) and casing II (B), and a clear water pool ( 1) and regulating pond (3), also be separately provided with grit chamber (2) in regulating pond (3), described clear water pond bottom is provided with submersible pump 1 (11) and the outlet pipe (11) that is communicated with submersible pump 1 12), the upper part of the grit chamber (2) is provided with a fine grid (21), the upper part of the grit chamber body is provided with a water outlet (22) connected with the regulating tank, and the upper part of the grit chamber is provided with a raw water inlet pipe (8) , the denitrification pool (4), MBR pool (5) and machine room (6) are separately arranged in the box body II (B), and the denitrification pool (4) is connected to the MBR pool through submersible pump III (41) and pipelines. (5) communication, at least one group of flat MBR membrane modules (51) are placed in the MBR pool (5), and the water collection pipe on the top of the membrane module (51) communicates with the clear water pool (1) through pipelines and reclaimed water pumps (61), The aeration pipe at the lower part of the membrane module (51) communicates with the air blower (62) through a pipeline, and the air blower (62) and the reclaimed water pump (61) are placed in the machine room, and the regulating pool (3) of the box body I passes through the submersible pump II (31) and the denitrification pool (4) of the pipeline and the casing II are communicated, and the casing I and the casing II are connected by a connector. 2. The mobile flat membrane MBR sewage treatment equipment according to claim 1, characterized in that: at least two sets of membrane modules (51) are arranged in parallel in the MBR pool (5). 3. The mobile flat membrane MBR sewage treatment equipment according to claim 1, characterized in that: the upper part of the MBR tank body is provided with an overflow port (52) communicating with the denitrification tank. 4. The mobile flat membrane MBR sewage treatment equipment according to claim 1, 2 or 3, characterized in that: said clean water pool (1) is equipped with a disinfection device (7), and said disinfection device includes a The medicine box (71), the dosing pump (72) and the dosing pipeline (73), the dosing pipeline (73) is connected with the pipeline connecting the reclaimed water pump (61) and the clear water pool, and the dosing box and the dosing pump are placed in the machine room Inside.

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