CN209906477U

CN209906477U - Can promote aeration equipment

Info

Publication number: CN209906477U
Application number: CN201920614599.6U
Authority: CN
Inventors: 向华鹏
Original assignee: Shaanxi Jinke Environmental Protection Engineering Co Ltd
Current assignee: Shaanxi Jinke Environmental Protection Engineering Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-01-07
Anticipated expiration: 2029-04-29

Abstract

The utility model provides a can promote aeration equipment has solved the inconvenient problem of current blast air aeration diffusion facility maintenance. The liftable aeration device comprises an aerator and an aerator bracket; the aerator comprises an inflatable shell and a balancing weight arranged at the bottom of the inflatable shell; the top of the inflatable shell is provided with an air inlet interface and an aeration port, the air inlet interface is externally connected with an air source through an air inlet branch pipe, and the air inlet interface is provided with a backflow prevention assembly for preventing air from flowing backwards; the aeration port is tightly pressed with a microporous diffusion membrane, so that the oxygenation efficiency is high; the aerator bracket is fixed at the bottom of the tank and is provided with a counterweight hole matched with the counterweight block; at least two through holes penetrating the body part are formed in the aerator bracket and communicated with the weight hole, and the through holes are used for discharging sludge deposited on the weight hole and discharging water when the weight block is placed into the weight hole.

Description

Can promote aeration equipment

Technical Field

The utility model relates to a sewage treatment field especially relates to a can promote aeration diffusion oxygenating device in sewage treatment biochemical pond.

Background

The biological treatment process is mostly adopted for removing organic pollutants in sewage treatment, and the aerobic biological treatment process has high requirements on aeration equipment, particularly the oxygenation capacity of the equipment and the durability of the equipment. At present, most sewage biochemical tanks adopt a blast aeration type for oxygen supply, and aerators and an aeration pipe network adopt a mode of fixedly mounting the tank bottom; when the aerator blocks up, leaks gas or other problems appear, often need empty the pond in sewage, stop the pond and overhaul, work load is great, and the sewage during the maintenance can not obtain effectual processing, causes the emission that exceeds standard, or the production line is stopped production, brings direct or indirect economic loss for the sewage treatment enterprise.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the inconvenient weak point of current blast aeration diffusion equipment maintenance, and provide a can promote aeration equipment, adopt and promote formula aerator, can freely carry to overhaul the change on the pond.

In order to achieve the above object, the present invention provides a technical solution:

a lifting aeration device is characterized by comprising an aerator and an aerator bracket; the aerator comprises an inflatable shell and a balancing weight arranged at the bottom of the inflatable shell; the top of the inflatable shell is provided with an air inlet interface and an aeration port; the air inlet connector is externally connected with an air source through an air inlet branch pipe, and a backflow preventing assembly is arranged at the air inlet connector and used for preventing air from flowing backwards; the aeration port is tightly pressed with a microporous diffusion membrane, so that the oxygenation efficiency is high; the aerator bracket is fixed at the bottom of the tank and is provided with a counterweight hole matched with the counterweight block; at least two through holes are formed in the aerator bracket and are communicated with the weight holes, and the through holes are used for flushing out silted sludge in the weight holes and discharging water in the weight holes when the weight blocks are placed into the weight holes.

Furthermore, the balancing weight is an inverted cone-shaped balancing weight, and the inverted cone-shaped balancing weight with the shape has smaller resistance when the aerator sinks, so that the aerator can be ensured to smoothly slide into the aerator bracket and be fixed in position.

Further, in order to facilitate processing and enable the appearance of the whole product to be coordinated, the inflatable shell is cylindrical, and the diameter of the bottom of the inflatable shell is matched with the inverted cone-shaped balancing weight.

Furthermore, the air inlet interface and the aeration port are concentrically arranged, and the aeration port is annular; the micropore diffusion membrane is tightly pressed at the aeration opening through a small pressure ring and a large pressure ring.

Further, a porous support plate is arranged below the microporous diffusion membrane at the aeration opening and used for supporting the microporous diffusion membrane, providing bony support and preventing deformation.

Furthermore, in order to enable the aerator to be matched with the aerator bracket more smoothly, the bottom of the weight hole of the aerator bracket is filled with a magnet; the counterweight block is coated with a magnetic material;

or the counterweight block is filled with a magnet; the bottom of the weight port is coated with a magnetic material.

Furthermore, the air inlet connector is in threaded connection with the air inlet branch pipe, so that connection is reliable.

Furthermore, a branch pipe valve is arranged on the air inlet branch pipe, and the air inlet condition of each lifting aeration device can be independently controlled.

Further, the backflow prevention assembly is a check valve.

Further, the aerator bracket is cylindrical in shape.

Furthermore, the aerator bracket is fixed at the bottom of the tank through a fixing bolt, and is simple and reliable.

Furthermore, the air inlet branch pipe can be a hard pipe or a soft pipe with larger bearing capacity, and when the aerator is lifted out, the gravity or the magnetic force of the aerator can be overcome.

The utility model discloses advantage for prior art is:

1. the utility model adopts a split structure of 'upper air inlet and lower positioning' in the lifting aeration device, and is of a one-to-one type (namely, a single aerator corresponds to a corresponding inflation pipe), wherein, the aerator bracket is arranged at the bottom of the tank in a fixed way, which can ensure that the relative position of the single aerator is fixed and unchanged, thereby ensuring the oxygen supply mixing effect in the whole biochemical tank; simultaneously, the aerator is for promoting the formula, when certain aerator blocks up, leaks gas or other problems appear and need overhaul, only need close the corresponding air supply of this aerator, carries the aerator up to the pond alone and overhauls, changes, need not to stop the pond and vacate and overhaul, and is with strong points, overhaul very convenient, can not influence the operation of sewage treatment process and bring direct or indirect economic loss for the sewage treatment enterprise.

2. The utility model discloses well balancing weight adopts the type of falling circular cone, and the resistance is less when the aerator sinks, can guarantee whether the aerator adjusts well with the aerator bracket well, and the homoenergetic slides in the aerator bracket smoothly, and fixed position cooperates with the aerator bracket.

3. The utility model discloses aerify the casing and adopt the cylinder, processing is convenient, can make the appearance of whole product coordinate, and the atress is even when promoting or entrying.

4. The utility model discloses well interface and the aeration mouth of admitting air set up with one heart, and the interface that admits air is located the center of aerifing the casing top, and when the staff adopted air inlet branch to mention or put into the aerator, the atress was more even, can steadily place.

5. The utility model discloses aerator bottom balancing weight or the aerator bracket on the magnet of being filled with, aim at overcomes aerator self buoyancy influence for the aerator can sink more smoothly, with the cooperation of aerator bracket.

6. The utility model discloses two at least through-holes have been seted up on the well aerator bracket, and through-hole and weight port intercommunication for with the help of the silt of rivers discharge siltation in the weight port, and the water of discharge weight port when putting into the weight port with the balancing weight, reduce and place the resistance.

7. The utility model discloses adopt threaded connection between well air inlet connector and the air inlet branch, it is reliable to connect, and the staff of being convenient for uses air inlet branch to mention whole aerator.

8. The utility model discloses be provided with the branch pipe valve on the well air inlet branch pipe, be favorable to the staff more as required, adjustment air feed point to and when certain aerator goes wrong and need overhaul, conveniently ground isolated operation more.

Drawings

FIG. 1 is a schematic structural view of the liftable aeration apparatus of the present invention;

FIG. 2 is a schematic structural view of the aerator of the present invention;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a schematic structural view of the aerator bracket of the present invention;

FIG. 5 is a top view of FIG. 4;

the reference numbers are as follows:

1-an air inlet branch pipe; 2-an aerator; 21-an air inlet interface; 22-a backflow prevention assembly; 23-a microporous diffusion membrane; 24-a porous support plate; 25-a pressure ring; 26-a balancing weight; 27-an inflatable housing; 28-inlet orifice; 3-aerator bracket; 31-bolt holes; 4-fixing the bolt; 5-branch valve; 6-through hole.

Detailed Description

The invention is described in further detail below with reference to the following figures and specific examples:

for convenience only, in the following description, specific directional terms are used, reference is made to the corresponding drawings, and no limitation of the present invention is intended, and when changes are made in the direction defined in the drawings, the direction in which the words are used should be construed as corresponding different directions.

As shown in fig. 1 to 5, a liftable aerator includes two parts, an aerator 2 and an aerator bracket 3.

The aerator 2 comprises an aeration shell 27 and an inverted cone-shaped balancing weight 26 arranged at the bottom of the aeration shell 27.

The inflatable casing 27 is cylindrical, the diameter of the bottom of the inflatable casing is matched with that of the inverted cone-shaped balancing weight 26, the top of the inflatable casing is provided with an air inlet 21 and an aeration port, the air inlet and the aeration port are concentrically arranged, the aeration port is circular, and the air inlet is positioned in the center of the top. This air inlet 21 is through the external air supply of air inlet branch pipe 1 (promptly aeration main pipe net), adopt threaded connection between air inlet 21 and the air inlet branch pipe 1, connect reliably, and air inlet branch pipe 1 adopts the great hard tube of bearing capacity or hose, can overcome 2 self gravities of aerator, the staff of being convenient for uses air inlet branch pipe 1 to propose aerator 2 or put into the effluent water sump, still be provided with branch pipe valve 5 on the air inlet branch pipe 1, the condition of admitting air of each inflatable housing 27 of independent control. The air inlet port 21 is provided with a check valve by adopting the matching of a rubber sealing gasket for preventing the backflow of air, and the rubber sealing gasket around the check valve is uniformly provided with a plurality of air inlet small holes 28. A porous support plate 24 is arranged at the aeration port, and a microporous diffusion membrane 23 is tightly pressed above the porous support plate 24 through a small compression ring 25 and a large compression ring 25 in a matching way, so that the microporous diffusion membrane 23 has high oxygenation efficiency and is beneficial to aerobic biological treatment in a sewage biochemical tank; the porous support plate 24 provides bony support for the microporous diffusion membrane 23 and prevents deformation of the microporous diffusion membrane 23.

Bolt holes 31 are provided in the bottom of the aerator bracket 3, and the aerator bracket 3 is fixed to the bottom of the tank by fixing bolts 4 (of course, other fixing means may be employed). In order to avoid the body of the aerator bracket 3 from silting up a large amount of silt, the appearance of the aerator bracket 3 is designed to be cylindrical, the middle part of the aerator bracket 3 is provided with a weight hole matched with the inverted cone-shaped counterweight block 26, and the size of the weight hole is slightly larger than that of the counterweight block 26, so that the aerator 2 can smoothly slide into the aerator bracket 3 under the action of gravity, and can smoothly slide into the aerator bracket 3 even if the aerator bracket is not completely aligned and has certain error. Meanwhile, at least two through holes 6 are formed in the aerator bracket 3, the two through holes 6 are communicated with the counterweight holes, as shown in fig. 5, of course, the through holes 6 are not limited to the situation shown in the figure, as long as the sludge deposited in the counterweight holes can be flushed out of the clean through holes 6 by means of water flow in a sewage biochemical tank, and meanwhile, the through holes 6 can have the function of draining water when the counterweight blocks 26 are placed in the counterweight holes, so that the resistance of the aerator 2 during placement is reduced, and time and labor are saved.

During the use, adopt the one-to-one type (single aerator 2 corresponds corresponding gas tube promptly), in order to guarantee the mixed effect of oxygen suppliment in the whole biochemical pond, evenly fix a plurality of aerator brackets 3 at the sewage bottom of the pool, and adopt and carry out the oxygen suppliment with aerator bracket 3 looks adaptation's aerator 2 respectively fixed point, even certain aerator 2 breaks down, can close branch pipe valve 5 on its air intake branch 1, carry out maintenance, change on the pond with aerator 2 alone, need not to stop the pond and release the air and overhaul, can not influence the operation of sewage treatment process.

For the aerator bracket 3, a hollow frame body structure can also be adopted, the middle part of the aerator bracket is also provided with a counterweight hole matched with the counterweight block 26, but the body of the aerator bracket is hollow, so that the aerator bracket does not need to be additionally provided with a through hole 6 for discharging mud and water.

For example, the counterweight block 26 is upgraded to a counterweight block 26 with magnets, and in order to accurately match the aerator 2 with the aerator bracket 3 after the aerator 2 is submerged, magnetic materials are coated in the counterweight holes of the aerator bracket 3, or the magnets are filled at the bottom of the counterweight holes of the aerator bracket 3 and the counterweight block 26 is coated with the magnetic materials; all can generate positive effect on the water entering of the aerator 2.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the protection scope of the present invention.

Claims

1. A liftable aeration device is characterized in that: comprises an aerator (2) and an aerator bracket (3);

the aerator (2) comprises an inflatable shell (27) and a balancing weight (26) arranged at the bottom of the inflatable shell (27);

the top of the inflatable shell (27) is provided with an air inlet interface (21) and an aeration port; the air inlet connector (21) is externally connected with an air source through the air inlet branch pipe (1), and a backflow preventing assembly (22) is arranged at the air inlet connector (21); a microporous diffusion membrane (23) is compressed at the aeration opening;

the aerator bracket (3) is fixed at the bottom of the tank, and is provided with a counterweight hole matched with the counterweight block (26); at least two through holes (6) are formed in the aerator bracket (3), the through holes (6) are communicated with the weight holes, and the through holes are used for flushing out silted sludge in the weight holes and discharging water in the weight holes when the weight blocks (26) are placed into the weight holes.

2. A liftable aeration apparatus according to claim 1, wherein: the balancing weight (26) is an inverted cone-shaped balancing weight (26).

3. A liftable aeration device according to claim 2, wherein: the inflatable shell (27) is cylindrical, and the size of the bottom of the inflatable shell is matched with that of the inverted cone-shaped balancing weight (26).

4. A liftable aeration device according to claim 3, wherein: the air inlet interface (21) and the aeration port are arranged concentrically, and the aeration port is circular; the micropore diffusion membrane (23) is tightly pressed at the aeration port through a small pressure ring and a large pressure ring.

5. A liftable aeration device according to any one of claims 1 to 4, wherein: a porous support plate (24) is arranged below the microporous diffusion membrane (23) at the aeration opening and used for supporting the microporous diffusion membrane (23).

6. A liftable aeration device according to claim 5, wherein: the bottom of the weight hole of the aerator bracket (3) is filled with a magnet; the counterweight block (26) is coated with a magnetic material;

or the counterweight block (26) is filled with a magnet; the bottom of the weight port is coated with a magnetic material.

7. A liftable aeration device according to claim 6, wherein: the air inlet connector (21) is in threaded connection with the air inlet branch pipe (1).

8. A liftable aeration apparatus according to claim 7, wherein: and a branch pipe valve (5) is arranged on the air inlet branch pipe (1).

9. A liftable aeration apparatus according to claim 8, wherein: the backflow prevention assembly (22) is a check valve.

10. A liftable aeration device according to claim 9, wherein: the aerator bracket (3) is cylindrical in shape.