CN218709599U

CN218709599U - Flat membrane device for water treatment

Info

Publication number: CN218709599U
Application number: CN202222844912.XU
Authority: CN
Inventors: 陆朝华; 陈拥军
Original assignee: Shanghai Panda Machinery Group Co Ltd
Current assignee: Shanghai Panda Machinery Group Co Ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-24
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to a dull and stereotyped membrane device for water treatment, including filtering cell body and equipment room, be equipped with a plurality of aeration pipes in the filtering cell body. The filtering tank body is a reaction tank with suspended fillers put in the filtering tank body, a plurality of parallel flat membrane assemblies are arranged on the lower portion of the reaction tank, the output ends of the flat membrane assemblies are connected with a water production pump in the equipment room through a water production pipe, the output ends of the water production pump are connected with a clean water tank in the equipment room, an aeration pipe is arranged at the bottom of the flat membrane assemblies, and the aeration pipe is connected with an aeration fan in the equipment room. The utility model adopts the integrated design of aerobic filtration and membrane filtration. The utility model discloses a dull and stereotyped membrane module installs in the cell body lower part, and the aeration pipe is established again to the bottom, and during the operation, aeration pipe spun air continues to rise after washing dull and stereotyped membrane module, is being filled the in-process through the suspension by make full use of, has effectively improved the utilization ratio of oxygen, reaches a dual-purpose efficiency.

Description

Flat membrane device for water treatment

Technical Field

The utility model belongs to the technical field of water treatment, in particular to a flat membrane device for water treatment.

Background

With the development of modern society and the continuous improvement of economic level, human beings can generate a large amount of waste water in production and life, and the living and production waste water of urban residents can be effectively treated basically. However, most rural waste water is distributed dispersedly due to residents, the laying difficulty and the cost of a sewage collecting pipeline are high, and waste water generated in daily life has the characteristics of distributed dispersedly, complex terrain, incomplete pipe network coverage, unstable water quality and quantity, and the like, and cannot be treated in a centralized manner, so that flexible and gradually-changed distributed integrated treatment equipment and modes are produced.

The existing integrated sewage treatment equipment adopts aeration equipment, and oxygen in the air can be transferred to a filler (such as activated sludge floc) in the mixed liquid so as to meet the requirement of microbial respiration; aerating, stirring and mixing to ensure that the mixed liquid in the aeration tank is in a violent mixing state and organic pollutants in the activated sludge are fully contacted; and also plays a role in preventing the filler from precipitating in the aeration tank. The integrated sewage treatment equipment needs to perform continuous aeration for a long time and has the defects of large occupied area and high energy consumption. The main energy consumption lies in continuous aeration, but the utilization rate of air is not high. In order to improve the air utilization rate of the filter tank, the traditional integrated sewage treatment equipment is worth optimizing, and the defects of large occupied area and high energy consumption and low efficiency of the original equipment are improved on the basis of ensuring the effluent quality to reach the standard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a dull and stereotyped membrane device for water treatment is provided, improve the air utilization and the energy utilization of filtering ponds and reduce area.

The utility model provides a technical scheme that its technical problem adopted is: the flat membrane device for sewage treatment comprises a filtering tank body and an equipment room, wherein a plurality of aeration pipes are arranged in the filtering tank body. The filtering tank body is a reaction tank with suspended fillers put in the filtering tank body, a plurality of parallel flat membrane assemblies are arranged on the lower portion of the reaction tank, the output ends of the flat membrane assemblies are connected with a water production pump in the equipment room through a water production pipe, the output ends of the water production pump are connected with a clean water tank in the equipment room, an aeration pipe is arranged at the bottom of the flat membrane assemblies, and the aeration pipe is connected with an aeration fan in the equipment room.

Further, a plurality of the flat membrane modules are horizontally arranged side by side.

Further, the flat membrane module is an inorganic membrane module or an organic membrane module.

Furthermore, the equipment room is divided into an upper layer and a lower layer, the clean water tank is arranged on the lower layer of the equipment room, and the water generating pump, the aeration fan, the backwashing pump, the medicine storage tank and the electric control cabinet for controlling the whole device are arranged on the upper layer of the equipment room.

Further, the output end of the flat membrane component is connected with the backwashing pump and the medicine storage tank.

Further, medicine storage tank includes citric acid dosing pump and sodium hypochlorite dosing pump, citric acid dosing pump links to each other with citric acid agitator motor.

Advantageous effects

The utility model adopts the integrated design of aerobic filtration and membrane filtration. The flat membrane component is horizontally arranged at the lower part of the tank body, the bottom of the flat membrane component is provided with an aeration pipe, when the system runs, the bottom of the flat membrane component is used for flushing air of the membrane component and then continuously rises, and the flat membrane component is fully utilized in the process of passing through an upper layer reaction zone where suspended fillers are added, so that the utilization rate of oxygen is effectively improved, and the dual-purpose effect of one gas and two gases is achieved.

Through the design, the utility model realizes the integrated arrangement of the carbon removal, the denitrification and the filtration, saves the requirements of the carbon removal, the denitrification and the partition setting of the membrane pool, the oxygen supply by two sets of fans and the washing of the surface of the module, saves 2 sets of fan equipment, saves about 3 percent of equipment investment and about 10 percent of running electric charge; in the device, the pollutant removal capacity is greatly improved, the short-cut nitrification and denitrification can be realized, the synchronous carbon and nitrogen removal and filtration can be realized, the nitrogen removal efficiency is improved, and the effluent stably reaches the standard; the utility model discloses do not have traditional two heavy ponds, under the equal handling capacity condition, sparingly take up an area of 10 ~ 15%.

Drawings

FIG. 1 is a schematic top view of a flat membrane device for water treatment.

FIG. 2 is a schematic front sectional view of a flat membrane device for water treatment.

FIG. 3 is a schematic diagram of a side view of a flat membrane device for water treatment

Wherein, 1-a water producing pump; 2-an aeration fan; 3-backwashing pump; 4-a medicine storage tank; 5-citric acid stirring motor; 6-citric acid dosing pump; 7-sodium hypochlorite dosing pump; 8-flat membrane modules (8A, 8B, 8C); 9-an electric control cabinet; 10-a clean water tank; 101-a reaction tank; 102-equipment room; 201-suspended fillers; 301-a water production pipe; 302-aeration pipe.

Like reference symbols in the various drawings indicate like elements.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications can be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

As shown in fig. 1, 2 and 3, the utility model provides a flat membrane device for sewage treatment, which comprises a filtering tank body and an equipment room 102, wherein in the embodiment, the equipment room 102 is arranged on one side of the filtering tank body.

A plurality of aeration pipes 302 are arranged in the filter tank body. The filtering tank body is a reaction tank 101 in which suspended filler 201 (such as sludge) is put. When the aeration pipe 302 starts aeration, the suspended filler 201 is carried by the airflow and suspended in the middle upper part of the reaction tank 101. The lower part of the reaction tank 101 is provided with a plurality of parallel flat membrane modules 8, the output ends of the flat membrane modules 8 are connected with a water production pump 1 in the equipment room 102 through a water production pipe 301, the output end of the water production pump 1 is connected with a clean water tank 10 arranged in the equipment room 102, an aeration pipe 302 is arranged at the bottom of the flat membrane modules 8, and the aeration pipe 302 is connected with an aeration fan 2 arranged in the equipment room 102.

The plurality of flat membrane modules 8 are horizontally arranged side by side, and the number of the flat membrane modules is three in the embodiment.

The flat membrane module 8 is an inorganic membrane module or an organic membrane module, which is an inorganic membrane module in this embodiment.

The equipment room 102 is divided into an upper layer and a lower layer, and the clean water tank 10 is arranged at the lower layer of the equipment room 102. The clean water tank 10 can be prevented from causing the dropping of the condensed water when being arranged on the upper layer, so that the operation of other electric equipment is influenced, and the potential safety hazard caused by leakage is prevented.

The upper layer of the equipment room 102 is provided with the water production pump 1, the aeration fan 2, the backwashing pump 3, the medicine storage tank 4 and an electric control cabinet 9 for controlling the whole device. The electric control cabinet 9 is connected with each device through an insulated wire, and the opening and closing of each device are controlled according to the water inlet and outlet quantity. In this embodiment, the output end of the flat membrane module 8 is connected to the backwash pump 3 and the drug storage tank 4. Medicine storage tank 4 includes citric acid dosing pump 6 and sodium hypochlorite dosing pump 7, citric acid dosing pump 6 links to each other with citric acid agitator motor 5.

The utility model discloses get into reaction tank 101, with the contact of pond in suspension filler 201 and carry out biofiltration by the front end through biochemical treatment's sewage when using, 8 secondary filter of rethread flat membrane module, the water pump 1 gets into clean water basin 10, discharge to reach standard or retrieval and utilization are produced to the warp afterwards.

When the system of the utility model is operated, the gas in the aeration pipe 302 rises to wash the flat membrane component 8, and then is fully utilized by the filler in the rising process, thereby improving the utilization rate of oxygen and reducing the repeated installation of the fan; the equipment adopts the air generated by the fan to carry out the backflow of the sludge and the nitrified liquid, thereby saving the expenses of nitrified liquid and a sludge backflow pump, saving the equipment investment by 3 percent and saving the operation electric charge by about 10 percent.

The utility model discloses after operation a period, it is right to need dull and stereotyped membrane module 8 to carry out the backwash, and the purpose of backwash is in order to prevent that the membrane module is dirty stifled equally, the backwash process: the backwashing pump 3 pumps the produced water in the clean water tank 10 and the medicament in the medicament storage tank 4 into the flat membrane component 8 through the citric acid medicament feeding pump 6 and the sodium hypochlorite medicament feeding pump 7 and the product water pipe 301, thereby achieving the backwashing effect. And the system can be restarted and normally operated after being reversed.

Claims

1. The utility model provides a dull and stereotyped membrane device for water treatment, includes filtering cell body and equipment room (102), be equipped with a plurality of aeration pipes (302) in the filtering cell body, its characterized in that, filtering cell body is inside to put in reaction tank (101) that have suspension filler (201), the lower part of reaction tank (101) is equipped with a plurality of dull and stereotyped membrane module (8) side by side, the output of dull and stereotyped membrane module (8) through produce water pipe (301) with product water pump (1) in the equipment room (102) links to each other, the output of product water pump (1) with locate clear water basin (10) in the equipment room (102) link to each other, aeration pipe (302) are located the bottom of dull and stereotyped membrane module (8), aeration pipe (302) with locate aeration fan (2) in the equipment room (102) link to each other.

2. The flat sheet membrane device for water treatment according to claim 1, wherein a plurality of said flat sheet membrane modules (8) are horizontally arranged side by side.

3. The flat sheet membrane device for water treatment according to claim 1, wherein the flat sheet membrane module (8) is an inorganic membrane module or an organic membrane module.

4. The flat membrane device for water treatment according to claim 1, wherein the equipment room (102) is divided into an upper layer and a lower layer, the clean water tank (10) is arranged at the lower layer of the equipment room (102), and the water generating pump (1), the aeration fan (2), the backwashing pump (3), the medicine storage tank (4) and the electric control cabinet (9) for controlling the whole device are arranged at the upper layer of the equipment room (102).

5. The flat membrane device for water treatment according to claim 4, wherein the output end of the flat membrane module (8) is connected with the backwash pump (3) and the medicine storage tank (4).

6. The flat membrane device for water treatment according to claim 4, wherein the drug storage tank (4) comprises a citric acid dosing pump (6) and a sodium hypochlorite dosing pump (7), and the citric acid dosing pump (6) is connected with a citric acid stirring motor (5).