CN219239425U

CN219239425U - Cyclone aerator

Info

Publication number: CN219239425U
Application number: CN202320797233.3U
Authority: CN
Inventors: 刘洪波; 孙浩; 耿家会; 张乾坤
Original assignee: Shandong Huayuan Environmental Protection Group Co ltd
Current assignee: Shandong Huayuan Environmental Protection Group Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-06-23
Anticipated expiration: 2033-04-12

Abstract

The utility model belongs to the technical field of environmental protection equipment, and particularly relates to a cyclone aerator, which comprises a circular cylinder, wherein an upper cover is arranged at the top of the cylinder, a lower cover is arranged at the bottom of the cylinder, a cyclone main shaft is arranged in the cylinder, fins are arranged on the peripheral surface of the cyclone main shaft, an air inlet pipe is arranged on the side wall of the cylinder close to the bottom, the air inlet pipe extends out of the outer wall of the cylinder and is provided with an air inlet, a flange is arranged at the air inlet, an air outlet is arranged at the other end of the air inlet pipe, and the air outlet extends into the cylinder and is close to the bottom of the cyclone main shaft; the inner wall of the cylinder body is provided with a plurality of conical raised teeth which are staggered with the fins; the top end of the central shaft penetrates out of the upper cover and is connected with the cutter. According to the utility model, the swirl main shaft, the raised teeth and the cutter are arranged in the cylinder, so that the cutting times of gas in the cylinder are increased, the volume of bubbles is reduced, the surface area of the bubbles is increased, the contact area between the bubbles and sewage is increased, and the utilization rate of oxygen is improved.

Description

Cyclone aerator

Technical Field

The utility model belongs to the technical field of environmental protection equipment, and particularly relates to a rotational flow aerator.

Background

The cyclone aerator is one of equipment applied to a biological treatment method in sewage treatment, utilizes the principle of aeration diffusion to transfer oxygen in a gas phase into a liquid phase, and utilizes microorganisms to decompose organic pollutants in a water body so as to achieve the aim of purifying water quality even if the oxygen in the gas phase is transferred into dissolved oxygen in the liquid phase. The gas-liquid contact interface formed when the bubbles contact with the water body is a place where the oxygen transfer effect occurs, and the more the bubbles generated by the gas quantity diffusion of the unit volume are, the larger the formed gas-liquid contact interface is, the higher the oxygen mass transfer effect efficiency is. The amount of bubbles generated by the diffusion of the aerator directly affects the oxygen transfer efficiency.

Therefore, the advantages and disadvantages of the required aeration equipment and the operation condition directly affect the sewage treatment efficiency and the daily operation cost. The adoption of aeration equipment with reliable technical performance is a primary condition for ensuring the long-term stable operation of the sewage treatment device.

In the prior art, the utility model patent with the patent number of CN201621407445.2 provides a liftable rotational flow aerator, which comprises a cylinder body, a spiral cover, a bubble generator, a rotary guide plate, a vertical guide plate, an airflow guider and a flange air inlet, wherein a circular hole is formed in the side wall of the lower end of the cylinder body; a clamping groove is arranged on the cylinder body of the round hole; the flange air inlet penetrates through the round hole to enter the middle position inside the cylinder body and is fixed on the cylinder body through bolts; the spiral cover is arranged at the upper end of the cylinder body; the spiral cover is in threaded connection with the cylinder body; the bubble generator, the rotary guide plate and the vertical guide plate are sequentially connected from top to bottom and are arranged in the cylinder; the air flow guide device is in threaded connection with the flange air inlet and is arranged in the cylinder; the bubble generator, the rotary guide plate, the vertical guide plate, the airflow guide and the cylinder are provided with the same central shaft. The liftable rotational flow aerator in the application only cuts bubbles in the cylinder, and the degree of cutting bubbles in a smaller space in the cylinder is limited, so that the defect of low oxygen utilization rate exists.

Disclosure of Invention

The utility model aims to provide a cyclone aerator with high oxygen utilization rate, so as to solve the problems in the background technology.

In order to achieve the technical purpose, the technical scheme of the utility model comprises the following steps:

the cyclone aerator comprises a circular cylinder body, wherein an upper cover is arranged at the top of the cylinder body, a lower cover is arranged at the bottom of the cylinder body, a cyclone main shaft is arranged in the cylinder body, fins are arranged on the peripheral surface of the cyclone main shaft, an air inlet pipe is arranged on the side wall of the cylinder body close to the bottom, the air inlet pipe extends out of the outer wall of the cylinder body and is provided with an air inlet, a flange is arranged at the air inlet, an air outlet is arranged at the other end of the air inlet pipe, and the air outlet extends into the cylinder body and is close to the bottom of the cyclone main shaft;

the upper cover is provided with a plurality of fan-shaped through holes, the fan-shaped through holes are distributed around the circle center of the upper cover in a radiation way, the edges of the two sides of the fan-shaped through holes are provided with zigzag bulges, and the lower cover is provided with a fan-shaped water inlet hole;

the cyclone main shaft comprises a central shaft, a plurality of cyclone blocks are sleeved on the central shaft, adjacent cyclone blocks are propped against each other, inverted triangular fins are arranged on the peripheral surface of each cyclone block, the fins are spirally distributed around the peripheral surface of the cyclone main shaft, inverted-truncated-cone-shaped flow guide blocks are arranged at the bottom of the cyclone main shaft, arc-shaped second flow guide plates are arranged on the peripheral surface of each flow guide block, concave holes are formed in the bottoms of the flow guide blocks, tooth openings are formed in the wall of each concave hole, and air outlets of the air inlet pipes extend into the concave holes;

the inner wall of the cylinder body is provided with a plurality of conical protruding teeth, and the protruding teeth and the fins are arranged in a staggered manner; the top end of the central shaft penetrates out of the upper cover and is connected with a cutter.

As an improvement, the cutter comprises an annular supporting frame, a plurality of supporting rib plates are connected in the supporting frame, the center of the circle of the supporting frame is connected with a central shaft, the central shaft is connected with the supporting rib plates at the center of the circle of the supporting frame, a plurality of supporting rib plates are connected with a supporting ring in the middle of the supporting rib plates, and a plurality of conical cutting teeth are arranged on the bottom surfaces of the supporting rib plates and the supporting ring.

As a further improvement, the inner wall of the cylinder body is provided with arc-shaped first guide plates close to the bottom, the number of the first guide plates is the same as that of the second guide plates, and the positions of the bottom ends of the first guide plates correspond to the positions of the top ends of the second guide plates in the vertical direction.

As a further improvement, the outer wall of the upper part of the cylinder body is provided with a fixing piece, the fixing piece is provided with a mounting hole, a mounting tube is arranged in the mounting hole in a penetrating manner, the mounting tube is connected with a conveying air tube, and the bottom of the conveying air tube is bent and connected with the flange.

As a further improvement, a plurality of inserting rods are arranged at the top end of the cyclone block, a plurality of slots are arranged at the bottom end of the cyclone block, and the inserting rods are matched with the slots.

By adopting the technical scheme, the utility model has the beneficial effects that:

according to the cyclone aerator provided by the utility model, the cyclone main shaft and the raised teeth are arranged in the cylinder, so that the cutting times of gas in the cylinder are increased, the volume of bubbles is reduced, the surface area of the bubbles is increased, the contact area of the bubbles and sewage is increased, and the utilization rate of oxygen is improved.

Through setting up the cutterbar, can further cut the bubble outside the barrel body, make it produce more tiny bubble, make oxygen utilization ratio higher.

In the process of the rotation and the rising of water and bubbles, negative pressure is formed at the bottom of the tank and the sludge is carried up, so that the mixed solution is in a violent mixing state, and the activated sludge, the dissolved oxygen and the organic matters are fully contacted to prevent the sludge from depositing; and the internal channel space of the cyclone aerator is large, is not easy to block, and is suitable for all high-concentration wastewater treatment tanks.

The pond surface of water top is equipped with the trunk line, and the trunk line passes through flange joint and carries the trachea, carries trachea downwardly extending and passes through flange joint spiral-flow aerator, when spiral-flow aerator need change or overhaul, only need unpack apart trunk line and carrying the trachea, promotes through upwards carrying the trachea, promotes the spiral-flow aerator of installing in carrying the trachea bottom together, compares with current fixed mounting at the spiral-flow aerator of bottom of the pool, need not to stop production and empty the pond, simple operation and work efficiency are high.

Drawings

FIG. 1 is a schematic view of the internal structure of a cyclone aerator provided by the utility model;

FIG. 2 is a schematic view of the appearance structure of the cyclone aerator provided by the utility model;

FIG. 3 is a schematic structural view of a swirl main shaft provided by the utility model;

FIG. 4 is a schematic view of the structure of the swirl block provided by the present utility model;

FIG. 5 is a top view of the upper cover provided by the present utility model;

FIG. 6 is a bottom view of the lower cover provided by the present utility model;

FIG. 7 is a bottom view of the cutter provided by the present utility model;

FIG. 8 is a schematic view of a first baffle according to the present utility model;

wherein: the device comprises a cylinder body, an upper cover, a 111-fan-shaped through hole, a 12-lower cover, a 121-water inlet, a 13-raised tooth, a 14-first guide plate, a 15-fixing piece, a 16-mounting pipe, a 2-air inlet pipe, a 21-flange, a 22-air inlet, a 23-air outlet, a 24-conveying air pipe, a 3-rotational flow main shaft, a 31-rotational flow block, a 311-inserting rod, a 32-central shaft, a 33-fin, a 34-guide block, a 341-second guide plate, a 342-tooth opening, a 35-cutter, a 351-supporting frame, a 352-cutting tooth, a 353-supporting rib plate and a 354-supporting circular ring.

Detailed Description

The utility model will be further described with reference to the following detailed description and the accompanying drawings. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

As shown in fig. 1-8, the cyclone aerator comprises a circular cylinder body 1, wherein an upper cover 11 is arranged at the top of the cylinder body 1, a lower cover 12 is arranged at the bottom of the cylinder body 1, and the cylinder body 1 is connected with the upper cover 11 and the lower cover 12 through threads; a swirl main shaft 3 is arranged in the cylinder 1, and a certain gap is reserved between the swirl main shaft 3 and the inside of the cylinder 1, so that water and gas can pass through; the side wall of the cylinder body 1 is provided with an air inlet pipe 2 near the bottom, the air inlet pipe 2 extends out of the outer wall of the cylinder body 1 and is provided with an air inlet 22, a flange 21 is arranged at the air inlet 22, the flange 21 and the air inlet pipe 2 are of an integral injection molding structure, the other end of the air inlet pipe 2 is provided with an air outlet 23, the air outlet 23 of the air inlet pipe 2 extends into the cylinder body 1 and is near the bottom of the cyclone main shaft 3, and high-speed air is introduced into the air inlet pipe 2.

The upper cover 11 is provided with a plurality of fan-shaped through holes 111, the fan-shaped through holes 111 are distributed in a radiation mode around the center of the upper cover 11, the center of the upper cover 11 is provided with a circular through hole, the edges of two sides of the fan-shaped through holes 111 are provided with zigzag protrusions, when bubbles formed by cutting high-speed gas pass through the opening of the upper cover 11, the bubbles can be further cut, the volume of the bubbles is reduced, the contact area between the bubbles and water is increased, and the dissolved oxygen of the water is increased; the lower cover 12 is provided with a fan-shaped water inlet hole 121, sewage enters the barrel 1 through the fan-shaped water inlet hole 121, and the fan-shaped water inlet hole 121 can prevent larger impurities in the sewage from entering the barrel 1.

The rotational flow main shaft 3 comprises a central shaft 32, a plurality of rotational flow blocks 31 are sleeved on the central shaft 32, adjacent rotational flow blocks 31 are propped against each other, two ends of the central shaft 32 are fixed through anti-back screw nuts, inverted triangular fins 33 are arranged on the peripheral surface of each rotational flow block 31, the plurality of fins 33 are spirally distributed around the peripheral surface of the rotational flow main shaft 3, and the number of times of cutting bubbles in the barrel 1 can be increased by arranging the plurality of fins 33, so that the bubbles are more fully impacted and cut in the spiral rising process. The bottom of the rotational flow main shaft 3 is provided with an inverted truncated cone-shaped flow guide block 34, the peripheral surface of the flow guide block 34 is provided with an arc-shaped second flow guide plate 341, the bottom of the flow guide block 34 is provided with a concave hole, the wall of the concave hole is provided with a tooth opening 342, the air outlet 23 of the air inlet pipe 2 stretches into the concave hole, air flow firstly enters the concave hole and flows out of a gap from the tooth opening 342, the air flow speed is reduced in the process, the residence time of the air flow in water is increased, and the oxygen utilization rate is improved.

Specifically, the top of whirl piece 31 is equipped with a plurality of inserted bars 311, and the bottom of whirl piece 31 is equipped with a plurality of slots, and inserted bars 311 are unanimous with slot quantity, and inserted bars 311 cooperate with the slot, make two adjacent whirl pieces 31 fixed through inserting inserted bars 311 in the slot that corresponds.

The circular through hole of the center shaft 32 penetrating the center of the upper cover 11 extends upward and is fixedly connected with the center of the cutter 35, and the cutter 35 can further cut the bubbles flowing out of the cylinder 1, so that the oxygen can be more dissolved in the water. The cutter 35 comprises an annular supporting frame 351, a plurality of supporting rib plates 353 are connected in the supporting frame 351, the center of the supporting frame 351 is connected with a central shaft 32, the central shaft 32 is connected with the supporting rib plates 353 at the center of the supporting frame 351, the middle part of the supporting rib plates 353 is connected with a supporting circular ring 354, and a plurality of conical cutting teeth 352 are arranged on the bottom surfaces of the supporting rib plates 353 and the supporting circular ring 354.

The inner wall of the cylinder body 1 is provided with a plurality of conical protruding teeth 13, and the protruding teeth 13 and the fins 33 are arranged in a staggered way.

An arc-shaped first guide plate 14 is arranged on the inner wall of the cylinder body 1 near the bottom, and when water flow enters the cylinder body 1 from the water inlet hole 121 of the lower cover 12, the first guide plate 14 plays a primary guide role on the water flow; the bottom of the rotational flow main shaft 3 is provided with a second guide plate 341, and the second guide plate 341 plays a role in guiding the movement direction of high-speed gas and water. The number of the first guide plates 14 is the same as that of the second guide plates 341, and the positions of the bottom ends of the first guide plates 14 correspond to the positions of the top ends of the second guide plates 341 in the vertical direction, so that water flow and high-speed gas can smoothly enter the barrel 1, and the water flow and high-speed gas can spirally upwards move around the rotational flow main shaft 3.

The outer wall of the upper part of the cylinder body 1 is provided with two fixing pieces 15, each fixing piece 15 is provided with two mounting holes, a mounting tube 16 is arranged in each mounting hole in a penetrating mode, the mounting tube 16 is connected with a conveying air tube 24, and the bottom of the conveying air tube 24 is bent and connected with a flange 21.

In the embodiment, the cyclone aerator is made of ABS material, and has the advantages of high strength, good toughness, easy processing and forming and good corrosion resistance.

The working process of the utility model is as follows: a main pipeline is arranged above the water surface of the water tank, the main pipeline is connected with a conveying air pipe 24 through a flange, and the conveying air pipe 24 extends downwards and is connected with a rotational flow aerator through the flange. In the pond, sewage gets into barrel 1 inside through the inlet opening 121 of lower cover 12, high-speed gas gets into intake pipe 2 by conveying trachea 24, then get into the shrinkage pool in barrel 1 inside, again flow out from the tooth mouth 342 of shrinkage pool department, gas rises rapidly because of buoyancy effect, through the guide effect of second guide plate 341 to sewage and gas, sewage and gas spiral upward movement around whirl main shaft 3, be cut into the bubble behind gas collision fin 33 and the protruding tooth 13, because fin 33 and protruding tooth 13 are equipped with the multilayer, therefore have multiple collision crushing effect to the bubble of floating motion, flow out in barrel 1 when the bubble, can be cut once more when passing through cutter 35, the bubble is cut back volume reduction, the surface area increases, then the bubble is more abundant with the water contact, the utilization ratio of oxygen has been improved. In the process of the rotation and the rising of water and bubbles, negative pressure is formed at the bottom of the tank and the sludge is carried up, so that the mixed liquid is in a violent mixing state, and the activated sludge, the dissolved oxygen and the organic matters are fully contacted to prevent the sludge from depositing. When the rotational flow aerator needs to be overhauled or replaced, only the main pipeline is required to be detached from the conveying air pipe 24, the rotational flow aerator arranged at the bottom of the conveying air pipe 24 is lifted together by lifting the conveying air pipe 24 upwards, and compared with the traditional rotational flow aerator fixedly arranged at the bottom of a tank, the rotational flow aerator is not required to be taken out again when the sewage in the water tank is emptied without stopping production, and the operation is convenient and the working efficiency is improved.

The above embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.

Claims

1. The cyclone aerator comprises a circular cylinder body, wherein an upper cover is arranged at the top of the cylinder body, a lower cover is arranged at the bottom of the cylinder body, a cyclone main shaft is arranged in the cylinder body, and fins are arranged on the peripheral surface of the cyclone main shaft;

the inner wall of the cylinder body is provided with a plurality of conical protruding teeth, and the protruding teeth and the fins are arranged in a staggered manner;

the top end of the central shaft penetrates out of the upper cover and is connected with a cutter.

2. The cyclone aerator according to claim 1, wherein the cutter comprises an annular supporting frame, a plurality of supporting rib plates are connected in the supporting frame, the center of the supporting frame is connected with a central shaft, the central shaft is connected with the supporting rib plates at the center of the supporting frame, the middle parts of the supporting rib plates are connected with a supporting ring, and a plurality of conical cutting teeth are arranged on the supporting rib plates and the bottom surface of the supporting ring.

3. The cyclone aerator according to claim 1, wherein the inner wall of the cylinder is provided with arc-shaped first guide plates near the bottom, the number of the first guide plates is the same as that of the second guide plates, and the positions of the bottom ends of the first guide plates correspond to the positions of the top ends of the second guide plates in the vertical direction.

4. The cyclone aerator according to claim 1, wherein the outer wall of the upper part of the cylinder is provided with a fixing part, the fixing part is provided with a mounting hole, a mounting tube is arranged in the mounting hole in a penetrating manner, the mounting tube is connected with a conveying air tube, and the bottom of the conveying air tube is bent and connected with the flange.

5. The cyclone aerator according to claim 1, wherein a plurality of inserting rods are arranged at the top end of the cyclone block, a plurality of inserting grooves are arranged at the bottom end of the cyclone block, and the inserting rods are matched with the inserting grooves.