Pulse aeration device of MBR (Membrane Bioreactor) membrane component

Abstract

The utility model discloses a pulse aeration device of an MBR (Membrane Biological Reactor) membrane component, which comprises an air inlet pipe and an air collecting piece, and the air collecting piece is arranged above the air inlet pipe; a plurality of air outlet columns are arranged above the air inlet pipe, and a plurality of through holes are formed in the end faces of the air outlet columns. A plurality of gas collecting hoods are arranged in the gas collecting piece, the gas collecting hoods are arranged on the outer side of the gas outlet column in a sleeving mode, and gas outlets are formed in the two sides of the gas collecting hoods; an exhaust part is arranged at the top of the gas collecting part, a plurality of exhaust cavities are formed in the exhaust part, each exhaust cavity is opposite to the gas outlet, and exhaust ports are formed in the two sides of each exhaust cavity. According to the utility model, the gas collecting piece is used for collecting gas and increasing gas pressure, and the original continuous aeration is changed into pulse type aeration, so that the aeration quantity is increased, the membrane filaments can be greatly disturbed, sludge on the membrane filaments can be thrown away, and the service life of the MBR membrane component is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of MBR membranes, in particular to a pulse aeration device of an MBR membrane assembly. Background Art

[0002] In existing MBR systems, the aeration system is a critical component of the entire wastewater treatment system. Aeration continuously flushes the surface of the membrane components, preventing clogging. The aeration device is typically located at the bottom of the MBR system and is equipped with aeration holes. Air enters the aeration device through the air inlet pipe and is aerated through the aeration holes. This causes the airflow to rise in the form of bubbles, driving the water upward and removing sludge adsorbed on the MBR membrane surface. Over time, the aeration holes can become clogged with sludge, reducing the aeration air volume and causing sludge to adhere to the membrane fibers, ultimately affecting the water purification efficiency of the MBR membrane components. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a pulse aeration device for an MBR membrane assembly, which can utilize pulse aeration to increase the aeration gas volume and form a strong disturbance to clean the membrane fibers.

[0004] To this end, the technical solution of the present invention is: a pulse aeration device for an MBR membrane assembly, comprising an air inlet pipe and an air collecting piece, which is installed above the air inlet pipe; a plurality of air outlet columns are provided above the air inlet pipe, and a plurality of through holes are provided on the end faces of the air outlet columns; a plurality of air collecting covers are provided inside the air collecting piece, which are mounted on the outside of the air outlet columns, and air outlets are provided on both sides of the air collecting covers; an exhaust piece is provided on the top of the air collecting piece, and a plurality of exhaust cavities are provided in the exhaust piece, each exhaust cavity is opposite to the air outlet, and exhaust ports are provided on both sides of the exhaust cavity.

[0005] On the basis of the above scheme and as a preferred scheme of the above scheme: an air inlet is provided at one end of the air inlet pipe, the inside of the air inlet pipe is connected to the air collecting hood through the through hole on the air outlet column, and is connected to the air outlet through the bottom of the air collecting hood.

[0006] On the basis of the above solution and as a preferred solution of the above solution: a plurality of partitions are provided inside the gas collecting member, and adjacent gas collecting hoods are separated by the partitions.

[0007] On the basis of the above solution and as a preferred solution of the above solution: the top of the exhaust member is a closed structure, and the exhaust ports are located on both sides of the exhaust member.

[0008] On the basis of the above solution and as a preferred solution of the above solution: the air inlet pipe, the air collecting member and the exhaust member are made of plastic material and are fixed by snap fastening.

[0009] During use, the gas enters from the air inlet end of the air inlet pipe, then flows into the water outlet column, and enters the air collecting hood through the through hole on the water outlet column. Since the top outlet of the air outlet column is higher than the air collecting hood, the gas will accumulate after entering the air collecting hood. After accumulating a certain amount, the bubbles flow out from the bottom of the air collecting hood and are discharged from the air outlet on the top of both sides of the air collecting hood. The discharged bubbles can be divided into two parts and discharged from the exhaust ports on both sides of the exhaust chamber for aeration.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] 1. Use gas collecting parts to gather gas and increase gas pressure, change the original continuous aeration to pulse aeration, increase the aeration gas volume, and produce greater disturbance to the membrane wire, so that the sludge on the membrane wire is thrown off and the service life of the MBR membrane assembly is increased.

[0012] 2. Exhaust ports are set on both sides of the exhaust parts. The exhaust ports are relatively large and less likely to be blocked compared with traditional aeration holes. The pulse aeration has a strong impact force and can effectively clean the sludge coming out of the exhaust ports. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 This is a structural sectional view of the utility model;

[0015] Figure 3 for Figure 2 A partial enlarged view of

[0016] Figure 4 This is an exploded view of the parts of the present utility model.

[0017] The components marked in the figure are: air inlet pipe 1, air inlet port 11, air outlet column 12, through hole 13, air collecting member 2, air collecting cover 21, partition 22, air outlet 23, exhaust member 3, and exhaust port 31. DETAILED DESCRIPTION

[0018] In the description of the present invention, it should be noted that, for directional words, such as the terms "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and so on, indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific protection scope of the present invention.

[0019] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Therefore, the terms "first" and "second" may explicitly or implicitly refer to one or more of these features. In the description of this utility model, "several" and "a number" mean two or more, unless otherwise specifically defined.

[0020] The pulse aeration device of the MBR membrane assembly of this embodiment includes an air inlet pipe 1 , an air collecting member 2 and an air exhaust member 3 . The air collecting member 2 is installed above the air inlet pipe 1 , and the air exhaust member 3 is installed above the air collecting member 2 .

[0021] An air inlet 11 is provided at one end of the air inlet pipe 1 and is connected to the fan through an air pipe; a plurality of air outlet columns 12 are provided above the air inlet pipe 1, and a plurality of through holes 13 are provided on the end face of the top of the air outlet column 12, and the air inlet 11 is connected to the through holes 13 on the air outlet column 12 through the inside of the air inlet pipe.

[0022] The gas collecting member 2 is provided with a plurality of gas collecting hoods 21 inside, and a plurality of partitions 22 are provided inside the gas collecting member 2. Adjacent gas collecting hoods 21 are separated by the partitions 22. The partitions 22 separate the gas collecting member 2 into a plurality of independent areas, the middle of the independent area is the gas collecting hood 21, and the top of the independent area is provided with two air outlets 23, and the air outlets 23 are located on both sides of the gas collecting hood 21; the gas collecting member 2 is provided with a card slot at both ends, and a card block is provided at both ends of the water inlet pipe 1, and the two are fixed by the card block, and the internal gas collecting hood 21 is sequentially mounted on the outside of each gas outlet column 12, and a gap is left between the bottom of the gas collecting hood 21 and the top surface of the water inlet pipe 1, forming an air flow channel, so that the air flow can enter the two sides of the gas collecting hood 21 and be discharged from the air outlet 23 at the top.

[0023] The top of the gas collecting member 2 is equipped with an exhaust member 3, which contains multiple exhaust cavities. Each exhaust cavity is located opposite the air outlet, and exhaust ports 31 are located on both sides of the exhaust cavity. The top of the exhaust member 3 is a closed structure, and the exhaust ports 31 are located on both sides of the exhaust member. The exhaust member 3 is fixed to the top of the gas collecting member 2 with a clip, which can split the bubbles discharged from the air outlet into two smaller bubbles, which are aerated through the drainage ports on both sides.

[0024] During use, gas enters from the air inlet end of the air inlet pipe 1, then flows into the water outlet column 12, and enters the air collecting hood 21 through the through hole 13 on the water outlet column 12. Since the top outlet of the air outlet column is higher than the air collecting hood, the gas will accumulate after entering the air collecting hood 21. After accumulating a certain amount, the bubbles flow out from the bottom of the air collecting hood and are discharged from the air outlet 23 on the top of both sides of the air collecting hood 21. The discharged bubbles can be divided into two parts and discharged from the exhaust ports 31 on both sides of the exhaust chamber for aeration.

[0025] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A pulse aeration device for an MBR membrane module, characterized by: It includes an air inlet pipe and an air collecting part, which is installed above the air inlet pipe; a number of air outlet columns are provided above the air inlet pipe, and a number of through holes are provided on the end faces of the air outlet columns; a number of air collecting covers are provided inside the air collecting part, the air collecting covers are mounted on the outside of the air outlet columns, and air outlets are provided on both sides of the air collecting covers; an exhaust part is provided on the top of the air collecting part, and a plurality of exhaust cavities are provided in the exhaust part, each exhaust cavity is opposite to the air outlet, and exhaust ports are provided on both sides of the exhaust cavity.

2. The pulse aeration device of an MBR membrane assembly according to claim 1, characterized in that: An air inlet is provided at one end of the air inlet pipe, and the interior of the air inlet pipe is connected to the air collecting cover through a through hole on the air outlet column, and is connected to the air outlet through the bottom of the air collecting cover.

3. The pulse aeration device of an MBR membrane module according to claim 1, characterized in that: A plurality of partitions are provided inside the gas collecting member, and adjacent gas collecting covers are separated by the partitions.

4. The pulse aeration device of an MBR membrane module according to claim 1, characterized in that: The top of the exhaust member is a closed structure, and the exhaust ports are located on both sides of the exhaust member.

5. The pulse aeration device of an MBR membrane module according to claim 1, characterized in that: The air inlet pipe, the air collecting component and the air exhaust component are made of plastic and are fixed by snap fastening.

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