CN215249836U - MBR membrane aeration equipment - Google Patents

Abstract

The utility model discloses a MBR membrane aeration equipment, fixed mounting is in the MBR pond, include: the air supply system comprises a blower, an air transmission main pipe and a plurality of air transmission branch pipes, wherein the air inlet end of the air transmission main pipe is communicated with the blower, and the air outlet end of the air transmission main pipe is communicated with the plurality of air transmission branch pipes; the gas transmission branch pipe is hollow cylinder, and vertical setting is in the inboard of MBR pond side by side, and has seted up a plurality of aeration holes towards the inboard one side of MBR pond to fixedly connected with aeration plate, aeration plate's both sides fixed mounting is in the inboard of MBR pond, and evenly distributed has a plurality of through-holes on it. The MBR membrane aeration device disclosed by the utility model has the advantages that after the first aeration of the aeration branch pipes, the aeration plates collect the bubbles into large bubbles, so that the scouring force on the MBR membrane wires is stronger, and the pollution degree on the membrane wire surfaces is smaller; meanwhile, the aeration plate also has the function of blocking the backflow of sewage, so that the blockage of aeration holes is avoided; the maintenance cost is reduced.

Description

MBR membrane aeration equipment

Technical Field

The utility model relates to a sewage treatment device technical field, more specifically the utility model relates to a membrane aeration equipment that says so.

Background

In the field of sewage treatment and water resource recycling, MBR (Membrane bioreactor) is a novel water treatment technology combining a Membrane separation unit and a biological treatment unit. According to the structure of the membrane, the membrane can be divided into a flat membrane, a tubular membrane, a hollow fiber membrane and the like, and according to the membrane aperture, the membrane can be divided into an ultrafiltration membrane, a microfiltration membrane, a nanofiltration membrane, a reverse osmosis membrane and the like.

At present, aeration tanks are uniformly distributed at the bottom of a membrane component in most MBR membrane aeration devices, and aeration is performed through a blower to form updraft and increase turbulence of mixed liquid so as to achieve the purposes of sludge membrane removal and membrane pollution control. The aeration pipe directly produces tiny bubble, and gas-liquid area of contact is big, and oxygen utilization ratio is high, but loss of air pressure is great, easily blocks up, influences the aeration effect easily, needs often frequently to clear up moreover, increases the maintenance cost.

Therefore, how to provide an MBR membrane aeration device with good aeration effect and low maintenance cost is a problem that needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.

Therefore, an object of the utility model is to provide a MBR membrane aeration equipment, fixed mounting is in the MBR pond, include: the air supply system comprises a blower, an air transmission main pipe and a plurality of air transmission branch pipes, wherein the air inlet end of the air transmission main pipe is communicated with the blower, and the air outlet end of the air transmission main pipe is communicated with the plurality of air transmission branch pipes; the air delivery branch pipe is a hollow cylinder and is vertically arranged on the inner side of the MBR tank side by side, a plurality of aeration holes are formed in one surface of the inner side of the MBR tank, and the aeration plates are fixedly connected with the aeration plates, the two sides of each aeration plate are fixedly arranged on the inner side of the MBR tank, and a plurality of through holes are uniformly distributed in the aeration plates.

The MBR membrane aeration device disclosed by the utility model has the advantages that after the first aeration of the aeration branch pipes, the aeration plates collect the bubbles into large bubbles, so that the scouring force on the MBR membrane wires is stronger, and the pollution degree on the membrane wire surfaces is smaller; meanwhile, the aeration plate also has the function of blocking the backflow of sewage, so that the blockage of aeration holes is avoided; the maintenance cost is reduced.

Preferably, the gas transmission branch pipes are arranged in two rows and symmetrically arranged on two sides in the MBR tank, and the gas transmission branch pipe on the other side is communicated with the gas transmission branch pipe close to the blower through a bottom connecting pipe.

Adopt above-mentioned technical scheme's beneficial effect is, two rows of gas transmission branch pipes carry out relative aeration to the MBR membrane respectively, are favorable to increasing gas-liquid area of contact more, improve oxygen utilization ratio.

Preferably, the tops of the gas transmission branch pipes are communicated with the gas transmission main pipe through a tee joint.

The beneficial effect who adopts above-mentioned technical scheme is, can guarantee the effective connection of gas transmission branch pipe and gas transmission house steward.

Preferably, the aeration plate is made of a flexible membrane.

Adopt above-mentioned technical scheme's beneficial effect is, the condition is torn to the flexible membrane can avoid the aeration board to appear, avoids aeration equipment's damage.

Preferably, the MBR tank is a rectangular box body.

Adopt above-mentioned technical scheme's beneficial effect be, can the overall arrangement installation aeration equipment better.

According to the technical scheme, compared with the prior art, the utility model discloses a MBR membrane aeration equipment can improve the aeration effect, and reduces the maintenance cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Figure 1 attached drawing is the utility model provides a half section structure sketch map of MBR pond.

Fig. 2 is a schematic structural diagram of an aeration device provided by the utility model.

Fig. 3 is an exploded view of a single gas transmission branch pipe and an aeration plate provided by the present invention.

Wherein, each figure is as follows:

1-MBR tank, 2-blower, 3-gas transmission main pipe, 4-gas transmission branch pipe, 5-aeration plate, 6-through hole, 7-tee joint, 8-aeration hole, and 9-bottom connecting pipe.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first", "second", may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present application, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the reference to a first feature "on" or "under" a second feature may include the reference to the first and second features being in direct contact, or may include the reference to the first and second features not being in direct contact, but being in contact with each other by means of another feature therebetween. Also, a first feature "on," "above," and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The embodiment 1 of the utility model discloses MBR membrane aeration equipment, fixed mounting is in MBR pond 1, include: the air-conditioning system comprises a blower 2, an air transmission main pipe 3 and a plurality of air transmission branch pipes 4, wherein the air inlet end of the air transmission main pipe 3 is communicated with the blower 2, and the air outlet end of the air transmission main pipe is communicated with the plurality of air transmission branch pipes 4; the gas transmission branch pipe is a hollow cylinder, is vertically arranged on the inner side of the MBR tank 1 side by side, is provided with a plurality of aeration holes facing to one side of the inner side of the MBR tank 1, and is tightly attached to one fixedly connected aeration plate 5 facing to the inner side of the MBR tank 1, two sides of the aeration plate 5 are fixedly arranged on the inner side of the MBR tank, and a plurality of through holes 6 are uniformly distributed on the aeration plate. The gas transmission branch pipe 4 is communicated with the gas transmission main pipe 3 through a tee joint 7, and effective connection of the gas transmission branch pipe 4 and the gas transmission main pipe 3 can be guaranteed. The aeration plate 5 is made of a flexible membrane. The flexible membrane can avoid the aeration plate 5 from tearing, and ensure the normal use of the aeration device. The MBR tank is a rectangular box body, and an aeration device can be better distributed.

The MBR membrane aeration device disclosed by the embodiment of the utility model has the advantages that after the first aeration of the gas transmission branch pipe 4, the aeration plate 5 collects the bubbles into large bubbles, so that the scouring force to MBR membrane filaments is stronger, and the surface pollution degree of the membrane filaments is smaller; meanwhile, the aeration plate 5 plays a role in blocking sewage backflow, so that the aeration holes are prevented from being blocked; the maintenance cost is reduced.

The utility model discloses embodiment 1 discloses MBR aeration equipment's use does: an MBR membrane module is installed in the MBR tank, the air blower 1 is started to start aeration, air enters between the aeration plate 5 and the pipe wall through aeration holes in the pipe wall of the air delivery branch pipe 4, the aeration plate 5 is slightly bulged under the action of compressed air, and the through holes are opened to achieve the purpose of aeration diffusion. The air supply is stopped, the air pressure disappears, the aeration plate 5 automatically closes the holes under the elastic action, and the aeration plate 5 is compacted on the pipe wall under the action of the water pressure, so that the sewage cannot flow back to block the aeration holes 8.

The embodiment 2 of the utility model discloses a MBR membrane aeration equipment, gas transmission branch pipe 4 have two rows, and the symmetry sets up in the both sides in MBR pond 1, the opposite side gas transmission branch pipe is through the bottom connecting pipe with be close to the gas transmission branch pipe intercommunication of air-blower. Two rows of gas transmission branch pipes 4 carry out relative aeration to the MBR membrane respectively, are favorable to increasing gas-liquid area of contact more, and oxygen utilization ratio is high. The gas transmission branch pipe 4 is communicated with the gas transmission main pipe 3 through a tee joint 7, and effective connection of the gas transmission branch pipe 4 and the gas transmission main pipe 3 can be guaranteed. The aeration plate 5 is made of a flexible membrane. The flexible membrane can avoid the aeration plate 5 from tearing, and ensure the normal use of the aeration device.

The MBR tank is a rectangular box body, and an aeration device can be better distributed.

The utility model discloses embodiment 2 discloses MBR aeration equipment's use does: an MBR membrane module is installed in the MBR tank, the air blower 1 is started to start aeration, air enters between the aeration plate 5 and the pipe wall through aeration holes in the pipe wall of the air conveying branch pipe 4, the aeration plate 5 is slightly bulged under the action of compressed air, and the through holes are opened to achieve the purpose of aeration diffusion. The air supply is stopped, the air pressure disappears, the aeration plate 5 automatically closes the holes under the elastic action, and the aeration plate 5 is compacted on the pipe wall under the action of the water pressure, so that the sewage cannot flow back to block the aeration holes 8, and the two rows of air delivery branch pipes 4 are aerated simultaneously, thereby improving the utilization rate of oxygen.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (5)

1. The utility model provides a MBR membrane aeration equipment, fixed mounting in MBR pond (1), its characterized in that includes: the air-conditioning system comprises a blower (2), an air transmission main pipe (3) and a plurality of air transmission branch pipes (4), wherein the air inlet end of the air transmission main pipe (3) is communicated with the blower (2), and the air outlet end of the air transmission main pipe is communicated with the plurality of air transmission branch pipes (4); every gas transmission branch pipe (4) are hollow cylinder, side by side vertically set up in the inboard of MBR pond (1), and towards a plurality of aeration holes (8) have been seted up to the inboard one side of MBR pond (1) to hug closely in towards one side fixedly connected with aeration plate (5) of MBR pond (1) inboard, the both sides fixed mounting of aeration plate (5) in the inboard of MBR pond (1), and evenly distributed has a plurality of through-holes (6) on it.

2. The MBR membrane aeration device according to claim 1, wherein the gas transmission branch pipes (4) are arranged in two rows, and are symmetrically arranged at two sides in the MBR tank (1), and the gas transmission branch pipe (4) at the other side is communicated with the gas transmission branch pipe (4) close to the blower (2) through a bottom connecting pipe (9).

3. The MBR membrane aeration device according to claim 1, wherein the gas transmission branch pipe (4) is communicated with the gas transmission main pipe (3) through a tee (7).

4. The MBR membrane aeration device according to claim 1, wherein the aeration plate (5) is made of a flexible membrane.

5. The MBR membrane aeration device according to claim 1, wherein the MBR tank (1) is a rectangular box.

Images