Microporous aerator for water treatment

Abstract

The utility model discloses a microporous aerator for water treatment, which belongs to the technical field of water treatment, solves the problem that water is easy to permeate into the aerator when the existing aerator stands in sewage and is not used, and adopts the technical scheme that the microporous aerator for water treatment comprises a connecting seat, the connecting seat is provided with a connecting part and a supporting part which are connected into a whole, the supporting part is in an arch shape, a plurality of through holes are formed in the wall body of the supporting part, the aeration diaphragm is connected to the supporting part in an attached and sleeved mode, a plurality of aeration holes are formed in the aeration diaphragm, the pressing hoop is connected to the connecting part so that the aeration diaphragm can be tightly pressed on the supporting part, and the air guiding seat is connected with the connecting part. The C-shaped aeration membrane is characterized in that the aeration holes are C-shaped, so that elastic bodies with C-shaped side surfaces are formed at the positions of the aeration holes in the aeration membrane, the side surfaces of the elastic bodies and the inner surfaces of the aeration holes are correspondingly and obliquely arranged, the transverse size of the outer side part of each elastic body is large, and the transverse size of the inner side part of each elastic body is small.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of microporous aerators for treating sewage. BACKGROUND

[0002] The selection of aeration equipment not only affects the biochemical treatment effect of sewage, but also affects the land occupation, investment and operating cost of sewage field. Microporous aerators mainly include suspended chain aerator, diaphragm type microporous aerator, rotary cutting aerator, pipe aerator, disc aerator, microporous ceramic aerator and hose aerator. Gas passes through the micropores on the aerator and enters the sewage in the form of bubbles. After mixing with the sewage, the bubbles can purify and treat the sewage.

[0003] Chinese patent document (publication number: CN 209065550 U) discloses a microporous aerator, which comprises an aeration shell, an aeration head is arranged at the top of the aeration shell, a first connector is fixedly arranged at the bottom of the aeration shell, the bottom of the first connector is sleeved on the inner side of the top of a second connector, a groove is arranged on the outer wall of the bottom of the first connector, a plurality of clamping grooves are arranged at equal intervals on the top of the second connector, a plurality of balls are clamped in the clamping grooves, the top of the second connector is sleeved in a sleeve head, a first clamping table and a second clamping table are arranged in sequence on the inner side of the sleeve head from top to bottom, and the first clamping table is clamped with the outer wall of the top of the second connector. The microporous aerator has the advantages that the first connector, the second connector and the sleeve head are arranged, the installation and disassembly between the aeration shell and the connecting pipe are more convenient, the connection is more firm compared with the traditional bonding mode, the aeration shell can rotate with the water flow when the aerator works, the impact of the water flow on the aerator is reduced, the service life of the aerator is prolonged, and the maintenance cost is reduced.

[0004] The microporous aerator does not consider the liquid permeation problem of the micropores. When not in use, a small amount of liquid may penetrate into the interior of the aerator, which may cause corrosion in the interior of the aerator. SUMMARY

[0005] To overcome the above-mentioned defects, the technical problem to be solved by the utility model is to provide an aerator for water treatment, which can effectively prevent water in the application environment from leaking into the interior from the micropores.

[0006] To solve the technical problem, the utility model discloses a technical scheme of a microporous aerator for water treatment, which comprises a coupling seat, the coupling seat has a coupling part and a supporting part connected as a whole, the supporting part is arched, a plurality of through holes are formed in the wall of the supporting part, an aeration membrane is sleeved on the supporting part, a plurality of aeration holes are formed in the aeration membrane, a pressing clamp is connected to the coupling part to press the aeration membrane on the supporting part, a gas guide seat is connected to the coupling part, and a gas guide pipe is arranged on the gas guide seat, characterized in that the aeration holes are C-shaped, an elastic body with a C-shaped side surface is formed at the position of the aeration holes on the aeration membrane, the side surface of the elastic body and the inner surface of the aeration holes are both arranged in an inclined manner, and the lateral dimension of the outer side of the elastic body is larger than that of the inner side.

[0007] In the microporous aerator, the components are connected as a whole, and the aeration membrane is mostly exposed to the liquid environment. On the elastic body, the outer side refers to the part facing the liquid environment, and the inner side refers to the part facing the supporting part.

[0008] Further, the supporting part and the aeration membrane are both in the shape of a spherical cap, the aeration holes are arranged in a ring shape on the aeration membrane, and no aeration hole is arranged at the top of the aeration membrane.

[0009] Further, a protruding partition is integrally formed at the middle position of the coupling part, the pressing clamp is located on one side of the partition, and the gas guide seat is located on the other side of the partition. By arranging the partition and connecting the opposite sides of the partition, the sealing connection between the corresponding components can be easily realized.

[0010] Further, the gas guide seat is in the shape of a shell and has a cavity inside, the gas guide pipe extends into the cavity, and a counterweight disc is arranged in the cavity and sleeved on the gas guide pipe. The counterweight disc is generally made of iron, aluminum alloy or lignum vitae, has a certain weight, and enables the aerator to have a certain stability after installation, so that the aerator can work stably.

[0011] Further, a sealing ring is sleeved on the coupling part, and the end of the pressing clamp is pressed against the side surface of the partition, so that the sealing connection between the pressing clamp and the coupling seat can be effectively realized to prevent gas leakage and facilitate the gas to be discharged in the form of bubbles at the micropores on the aeration membrane.

[0012] Further, a plurality of pits are arranged on the end face of the end of the pressing clamp, and the pits are arranged in a ring shape on the pressing clamp. The pits are arranged to make the end face of the pressing clamp rough, so that the pressing clamp can press the sealing ring.

[0013] Further, a notch is arranged on the inner side wall of the pit at the mouth of the pit. The notch is arranged to make the inner side wall of the pit form a sawtooth structure, which can further ensure the stability of the pressing of the sealing ring by the pressing clamp.

[0014] Further, the air guide pipe is a regular prism, and a reinforcing sheet is integrally formed between each side surface of the air guide pipe and the bottom surface of the air guide base, and the reinforcing sheet is triangular. This can effectively ensure the firmness of the connection between the air guide pipe and the air guide base.

[0015] The beneficial effect of the utility model lies in: the aeration hole arranged on the aeration membrane is of the structure, when not used normally, the liquid outside will be pressed to the elastic body, so that the outside of the elastic body can be supported to the inner wall surface of the aeration hole, the greater the external pressure, the closer the fit between the elastic body and the aeration hole, so that the liquid outside is not easy to enter the aerator, therefore, the aerator inside will not be polluted. When working, the gas will overcome the pressure of the liquid on the elastic body and the elastic force of the elastic body, and will enter the liquid in the form of a large number of bubbles, realizing purifying the liquid. The structure of the aeration hole and the elastic body itself will not restrict the passing of the gas, but is helpful for the flow of the gas, so that the gas efficiency of the aerator can be ensured, and the water treatment effect can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the assembly schematic view of each component of the water treatment microporous aerator.

[0017] Figure 2 It is the end surface structure diagram of the pressing clamp.

[0018] Figure 3 It is the bottom surface structure diagram of the air guide base.

[0019] Figure 4 It is the local enlarged view of the aeration membrane piece.

[0020] Figure 5 It is the longitudinal sectional view of the aeration membrane piece.

[0021] In the drawing, 1, air guide pipe; 2, reinforcing sheet; 3, air guide base; 4, counterweight disc; 5, connecting base; 51, connecting part; 52, supporting part; 53, partition table; 54, step surface; 55, through hole; 6, sealing ring; 7, aeration membrane piece; 71, elastic body; 72, aeration hole; 8, pressing clamp; 81, pit; 82, inner side wall; 83, notch. DETAILED DESCRIPTION

[0022] As shown in the drawings, the main structure of the microporous aerator for water treatment is a coupling seat 5, which is a plastic one-piece injection molding part. The coupling seat 5 has a coupling part 51 and a supporting part 52 connected as one. The supporting part 52 is arched, specifically in the shape of a spherical cap. The coupling part 51 is a circular ring, and the outer periphery of the coupling part 51 is provided with external threads. A stepped surface 54 is formed at the position where the supporting part 52 and the coupling part 51 intersect. A plurality of through holes 55 are provided on the wall of the supporting part 52, and the through holes 55 are arranged close to the stepped surface 54. Sometimes, in order to facilitate gas guiding, a plurality of concave grooves are provided on the outer supporting surface of the supporting part 52 corresponding to the positions of the through holes 55, and one concave groove is communicated with one through hole 55.

[0023] The aerating membrane 7 in the shape of a spherical cap is fitted on the supporting part 52, and a ring is integrally formed at the bottom of the aerating membrane 7 and fitted on the stepped surface 54. A plurality of aerating holes 72 are provided on the aerating membrane 7, and the pressing ring 8 is threadedly connected to the coupling part 51 to press the aerating membrane 7 against the supporting part 52 and press the ring against the stepped surface 54. The disc-shaped gas guiding seat 3 is threadedly connected to the coupling part 51, and the gas guiding pipe 1 is integrally formed at the center of the gas guiding seat 3. When in use, the aerator is immersed in sewage, the gas guiding pipe 1 is connected to the gas conveying pipeline, high-pressure gas in the gas conveying pipeline enters the coupling part 51 through the gas guiding pipe 1, and enters between the supporting part 52 and the aerating membrane 7 through the through holes 55. The high-pressure gas enters the sewage in the form of bubbles at the positions of the aerating holes 72, thereby achieving sewage treatment. The aerating holes 72 are C-shaped, thereby forming elastic bodies 71 in the shape of C on the aerating membrane 7 at the positions of the aerating holes 72. The elastic bodies 71 are only partially connected with the aerating membrane 7, and the rest is separated. The side surface of the elastic body 71 and the inner surface of the aerating hole 72 are both correspondingly inclined, the outer part of the elastic body 71 has a larger transverse dimension, and the inner part has a smaller transverse dimension. This is formed by the inclined insertion of the aerating membrane 7 by the needle with a C-shaped blade when the aerating holes 72 are processed on the aerating membrane 7. The aerating holes 72 processed on the aerating membrane 7 are annularly and uniformly distributed, and arranged in multiple rows.

[0024] A protruding partition 53 is integrally formed at the middle position of the coupling part 51 in the axial direction, and the partition 53 separates the coupling part 51 into two parts. The pressing ring 8 is connected to one side of the partition 53, and the gas guiding seat 3 is connected to the other side of the partition 53. The sealing ring 6 is fitted on the coupling part 51, and the end of the pressing ring 8 presses the sealing ring 6 against the end surface of the partition 53. A plurality of pits 81 are provided on the end surface of the end of the pressing ring 8, and the pits 81 are annularly arranged on the pressing ring 8. A notch 83 is provided on the inner side wall 82 of the pit 81 at the opening of the pit 81, and the inner side wall 82 is on the radial inner side of the pit 81, thereby forming a plurality of sawtooth structures on the radial inner side of the pit 81.

[0025] The air guide base 3 is a shell shape, has a cavity inside, the air guide pipe 1 extends into the cavity, and a counterweight disc 4 is arranged in the cavity and sleeved on the air guide pipe 1. Figure 3 As shown in the first and second embodiments, the air guide pipe 1 is a regular octagonal prism, and a reinforcing sheet 2 in a triangular shape is integrally formed between each side surface of the air guide pipe 1 and the bottom surface of the air guide base 3. Figure 1 As shown in the third embodiment, the air guide pipe 1 is a regular hexagonal prism.

Claims

1. A microporous aerator for water treatment, comprising a connecting seat, the connecting seat having an integrally connected connecting part and a supporting part, the supporting part being arched, the wall of the supporting part having a plurality of through holes, an aeration membrane being fitted and sleeved onto the supporting part, the aeration membrane having a plurality of aeration holes, a clamping ring being connected to the connecting part to press the aeration membrane tightly onto the supporting part, an air guide seat being connected to the connecting part, the air guide seat having an air guide pipe, characterized in that... The aeration holes are C-shaped, thus forming an elastomer with C-shaped sides on the aeration membrane at the location of the aeration holes. The sides of the elastomer and the inner surfaces of the aeration holes are both inclined. The outer part of the elastomer has a larger lateral dimension and the inner part has a smaller lateral dimension.

2. The microporous aerator for water treatment according to claim 1, characterized in that, Both the support and the aeration membrane are spherical, and the aeration holes are evenly distributed in a ring on the aeration membrane.

3. The microporous aerator for water treatment according to claim 1 or 2, characterized in that, A protruding partition is integrally formed at the middle of the connecting part, the pressure clamp is located on one side of the partition, and the air guide seat is located on the other side of the partition.

4. The microporous aerator for water treatment according to claim 3, characterized in that, The air guide seat is shell-shaped with an internal cavity. The air guide tube extends into the cavity, and a counterweight plate is installed inside the cavity, which is sleeved on the air guide tube.

5. The microporous aerator for water treatment according to claim 3, characterized in that, A sealing ring is fitted onto the connecting part, and the end of the clamp presses the sealing ring onto the side of the partition.

6. The microporous aerator for water treatment according to claim 5, characterized in that, Several pits are provided on the end face of the clamp at this end, and these pits are arranged in a ring on the clamp.

7. The microporous aerator for water treatment according to claim 6, characterized in that, There is a notch at the entrance of the sinkhole on the inner wall of the sinkhole.

8. The microporous aerator for water treatment according to claim 1 or 2, characterized in that, The air guide tube is a regular prism, and reinforcing plates are integrally formed between each side of the air guide tube and the bottom surface of the air guide seat. The reinforcing plates are triangular in shape.

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