CN219885829U

CN219885829U - Tray type aerator

Info

Publication number: CN219885829U
Application number: CN202320419335.1U
Authority: CN
Inventors: 温熙超; 李玉松; 赵雷; 李云竹; 姚玲; 孟凡茂
Original assignee: Hebei Kehuan Environmental Engineering Co ltd
Current assignee: Hebei Kehuan Environmental Engineering Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-10-24
Anticipated expiration: 2033-03-08

Abstract

The utility model provides a tray type aerator, and belongs to the technical field of aerators. The tray aerator comprises a base pipe, an aeration disc and a sludge disc. The aeration disc is fixedly arranged above the base pipe and is communicated with one end of the base pipe; the sludge tray is of an annular hollow cavity structure, the lower part of the base pipe is fixedly sleeved with the sludge tray, the hollow cavity is communicated with the base pipe, and a through hole is formed in the sludge tray. The gas flows into the hollow cavity of the sludge tray through the base pipe, and enters sewage along with the through holes arranged on the sludge tray, and the gas drives water flow in the bottom area of the aerator to form circulation after entering the sewage, so that the sludge at the bottom of the aerator flows. The mud dish includes upper disc and lower disc, and the components of a whole that can function independently setting of upper disc and lower disc makes the follow-up maintenance of mud dish more convenient to upper disc and lower disc pass through threaded connection, make the installation and the dismantlement of upper disc and lower disc more swift. Solves the technical problems that dead zones are easy to form at the bottom of an aerator in the prior art, and the oxygenation is affected by sludge accumulation.

Description

Tray type aerator

Technical Field

The utility model belongs to the technical field of aerators, and particularly relates to a tray-type aerator.

Background

In the sewage treatment method, an effective method is economical and simple in biochemical treatment, in order to improve the treatment effect, enough dissolved oxygen is needed in the sewage to be treated so as to promote oxidation reaction in the sewage, an aerator is a main device for supplying oxygen to the sewage, the existing aerator generates larger bubbles in practical application, so that the contact area of the bubbles and water is small, the speed of dissolving oxygen in the water is slower, the service area of the aerator is limited, dead angles exist between the aerators, and the most easily occurring problem is that sludge deposition is serious at the bottom of a pool, thereby leading the aerator to have a sludge dead zone at the bottom and being influenced by sludge blockage and oxygenation.

Disclosure of Invention

The embodiment of the utility model provides a tray type aerator, which aims to solve the technical problem that in the prior art, dead zones are easily formed at the bottom of the aerator, so that sludge accumulation affects oxygenation.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a tray-type aerator is provided, which comprises a base pipe, an aeration disc and a sludge disc. The aeration disc is fixedly arranged above the base pipe and is communicated with one end of the base pipe; the sludge tray is of an annular hollow cavity structure, is arranged below the aeration tray, is sleeved on the base pipe, is communicated with the base pipe, and is provided with through holes in an annular manner.

In one possible implementation, the sludge tray is disposed at an angle to the base pipe, and the sludge tray is disposed at an angle α of 3 ° -5 ° to the base pipe.

In one possible implementation, the sludge tray is in the shape of an inverted cone.

In one possible implementation, the diameter of the sludge tray is greater than the diameter of the aeration tray, and the diameter of the sludge tray is 100mm-200mm greater than the diameter of the aeration tray.

In one possible implementation, a plurality of rib-adding ribs are arranged between the base pipe and the sludge tray, and the rib-adding ribs are arranged on the base pipe in a surrounding manner.

In one possible implementation, the sludge tray includes an upper tray and a lower tray. The upper disc is of an annular structure and comprises a first ventilation part arranged at an included angle with the base pipe and a first connecting part positioned at the edge position and with a horizontal section; the lower disc is of an annular structure and is arranged concentrically with the upper disc, the lower disc comprises a second ventilation part and a second connecting part, the cross section of the second connecting part is arranged horizontally at the edge position, and the second ventilation part and the first ventilation part are arranged at an included angle;

the bottom surface of the first connecting part is in threaded connection with the top surface of the second connecting part.

In one possible implementation manner, the top surface of the first connecting portion is provided with an annular connecting groove, and the sludge tray further comprises a connecting piece. The cross section of connecting piece personally submits L type structure, the connecting piece includes horizontal part and vertical portion, vertical portion with the horizontal part sets up perpendicularly, just vertical portion locates the below of horizontal part, the bottom surface of horizontal part is equipped with annular bulge, annular bulge with the spread groove is nested, just the inside wall of vertical portion with the lateral wall threaded connection of the second connecting portion of lower wall.

In one possible implementation, the upper disc and the lower disc are further provided with fixing members for pressing and fixing, and the fixing members include fixing rings and connecting rings. The fixing ring is in an annular structure and comprises a threaded part sleeved outside the first connecting part and in threaded connection with the first connecting part, and a pressing part which is in contact with the top surface of the first connecting part and is pressed; the cross section of the connecting ring is of an L-shaped structure, and the connecting ring is sleeved at the bottom of the second connecting part and is in threaded connection with the threaded part of the fixing ring.

In one possible implementation manner, the tray-type aerator is fixedly provided with a drain pipe, the drain pipe is sleeved on the bottom outlet of the base pipe, and a buffer piece is arranged between the drain pipe and the base pipe and used for buffering sewage water flow entering the drain pipe.

In one possible implementation, the buffer includes a buffer sleeve and a baffle ring. The buffer sleeve is arranged in the drain pipe in a sliding manner, the middle of the buffer sleeve is communicated, a plurality of water outlets are formed in the buffer sleeve, and the water outlets are arranged around the axis of the buffer sleeve in a surrounding manner; the baffle ring is arranged at the bottom of the buffer sleeve and used for limiting the maximum sliding displacement of the buffer sleeve.

The tray type aerator provided by the utility model has the beneficial effects that: compared with the prior art, the utility model has the advantages that the base pipe, the aeration disc and the sludge disc are arranged, gas flows into the hollow cavity of the sludge disc through the base pipe, along with the sewage entering through holes arranged on the sludge disc, the gas drives the water flow in the bottom area of the aerator to form circulation after entering the sewage, so that the sludge at the bottom of the aerator flows, and the technical problem that the bottom of the aerator is easy to form dead areas to cause sludge accumulation to affect oxygenation in the prior art is solved.

Drawings

Fig. 1 is a schematic three-dimensional structure of a tray-type aerator according to embodiment 1 of the present utility model;

FIG. 2 is an elevation cross-sectional view of FIG. 1;

FIG. 3 is an enlarged partial view of area A of FIG. 2;

fig. 4 is a schematic three-dimensional structure of a tray-type aerator according to embodiment 2 of the present utility model;

fig. 5 is a schematic three-dimensional structure of a tray-type aerator according to embodiment 3 of the present utility model;

FIG. 6 is an enlarged partial view of region B of FIG. 5;

fig. 7 is a schematic three-dimensional structure of a tray-type aerator according to embodiment 4 of the present utility model;

FIG. 8 is an enlarged partial view of region B of FIG. 7;

reference numerals illustrate:

1. a base tube; 2. an aeration disc; 3. a sludge tray; 31. a hollow chamber; 32. a through hole; 4. rib adding; 5. a top plate; 51. a first ventilation portion; 52. a first connection portion; 6. a lower plate; 61. a second ventilation portion; 62. a second connecting portion; 53. a connecting groove; 7. a connecting piece; 71. a horizontal portion; 72. a vertical portion; 8. a fixing member; 81. a fixing ring; 811. a threaded portion; 812. a pressing part; 82. a connecting ring; 9. a drain pipe; 91. a buffer sleeve; 92. a water outlet; 93. a baffle ring.

Detailed Description

In order to make the technical problems, technical schemes and advantageous effects to be solved more clearly apparent, the present utility model is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be further noted that the drawings and embodiments of the present utility model mainly describe the concept of the present utility model, and on the basis of the concept, some specific forms and arrangements of connection relationship, positional relationship, power mechanism, power supply device, hydraulic device, control device, etc. may not be completely described, but those skilled in the art may implement the specific forms and arrangements described above in a well-known manner on the premise of understanding the concept of the present utility model.

When an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

The terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the same sense as the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

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

Referring to fig. 1 and 2 together, a description will be given of a tray-type aerator according to the present utility model. The tray aerator comprises a base pipe 1, an aeration disc 2 and a sludge disc 3. The aeration disc 2 is fixedly arranged above the base pipe 1 and is communicated with one end of the base pipe 1; the sludge tray 3 is of an annular hollow cavity 31 structure, is fixedly sleeved below the base pipe 1, and the hollow cavity 31 is communicated with the base pipe 1, and through holes 32 are formed in the upper side surface and the lower side surface of the sludge tray 3 in a surrounding mode. The gas flows into the hollow chamber 31 and flows into the sewage through the through holes 32, so that the bottom of the aerator forms a circulation (the arrow direction in fig. 1 and 2 is the water flow direction).

Compared with the prior art, the tray type aerator provided by the embodiment of the utility model has the advantages that the base pipe 1, the aeration disc 2 and the sludge disc 3 are arranged, gas flows into the hollow chamber 31 of the sludge disc 3 through the base pipe 1, along with the sewage entering through holes 32 arranged on the sludge disc 3, the gas drives water flow in the bottom area of the aerator to form circulation after entering the sewage, so that the sludge at the bottom of the aerator flows, and the technical problem that dead zones are easy to form at the bottom of the aerator in the prior art, and the oxygenation is influenced by sludge accumulation is solved.

Referring to fig. 1 and 2 together, as a specific implementation of the embodiment of the present utility model, the sludge tray 3 is disposed at an angle with the base pipe 1, and the angle α between the sludge tray 3 and the base pipe 1 is 3 ° -5 °. The included angle between the sludge tray 3 and the base pipe 1 is 3-5 degrees, so that the sewage circulation reaches the maximum efficiency.

Referring to fig. 1 and fig. 2 together, as a specific implementation manner of the embodiment of the present utility model, the sludge tray 3 has an inverted cone shape, so that the gas flowing through the sludge tray 3 is convenient to go upwards, and the inverted cone shape is convenient for the gas to flow.

Referring to fig. 1 and 2 together, as a specific implementation manner of the embodiment of the present utility model, the diameter of the sludge tray 3 is larger than that of the aeration tray 2, and the diameter of the sludge tray 3 is 100mm-200mm larger than that of the aeration tray 2, so as to prevent sludge from falling back to the bottom of the aerator, and avoid existence of a sludge dead zone at the bottom of the aerator.

Referring to fig. 4, a specific embodiment of the present utility model is as follows, wherein a plurality of reinforcement ribs 4 are provided between the base pipe 1 and the sludge tray 3, the reinforcement ribs 4 are annularly provided on the base pipe 1, and the provision of the reinforcement ribs 4 effectively increases the overall strength of the tray-type aerator.

Referring to fig. 5, a specific embodiment of the present utility model provided on the basis of the first embodiment is as follows, where the sludge tray 3 includes an upper tray 5 and a lower tray 6. The upper disc 5 is of an annular structure and comprises a first ventilation part 51 arranged at an included angle with the base pipe 1 and a first connecting part 52 arranged horizontally in the section of the edge position; the lower disc 6 is of an annular structure and is concentrically arranged with the upper disc 5, and comprises a second ventilation part 61 and a second connecting part 62, wherein the cross section of the second connecting part is horizontally arranged at the edge position, and the second ventilation part 61 and the first ventilation part 51 are arranged at an included angle; wherein the bottom surface of the first connecting portion 52 is screw-coupled with the top surface of the second connecting portion 62. The components of a whole that can function independently setting of upper disc 5 and lower disc 6 makes the follow-up maintenance of mud dish 3 more convenient to upper disc 5 and lower disc 6 pass through threaded connection, make the installation and the dismantlement of upper disc 5 and lower disc 6 more swift, and gas enters into sewage through first ventilative portion 51 and second ventilative portion 61, and the rivers that make the aerator bottom form the circulation, avoid the formation of mud dead zone.

Referring to fig. 5 to fig. 6, as a specific implementation manner of the embodiment of the present utility model, the top surface of the first connecting portion 52 is provided with an annular connecting groove 53, and the sludge tray 3 further includes a connecting member 7. The cross section of connecting piece 7 is L type structure, and connecting piece 7 includes horizontal portion 71 and vertical portion 72, and vertical portion 72 sets up perpendicularly with horizontal portion 71, and the below of horizontal portion 71 is located to vertical portion 72, and the bottom surface of horizontal portion 71 is equipped with annular protrusion, and annular protrusion is nested with spread groove 53, and the inside wall of vertical portion 72 and the lateral wall threaded connection of the second connecting portion 62 of lower wall 6. The annular protrusion is nested with the connecting groove 53, so that the connecting piece 7 is firmly connected with the first connecting portion 52, and the vertical portion 72 is in threaded connection with the second connecting portion 62, so that the connecting piece 7 is firmly connected with the second connecting portion 62, and the connectivity and the tightness of the upper disc 5 and the lower disc 6 are enhanced.

Referring to fig. 7 to 8, as a specific implementation manner of the embodiment of the present utility model, the upper disc 5 and the lower disc 6 are further provided with fixing members 8 for pressing and fixing, and the fixing members 8 include fixing rings 81 and connecting rings 82. The fixing ring 81 is in an annular structure and comprises a threaded part 811 sleeved outside the first connecting part 52 and in threaded connection with the first connecting part, and a pressing part 812 contacted with the top surface of the first connecting part 52 and pressed; the connecting ring 82 has an L-shaped cross section, and the connecting ring 82 is sleeved on the bottom of the second connecting portion 62 and is screwed with the threaded portion 811 of the fixing ring 81. The design of solid fixed ring 81 and go-between 82 makes the connection of upper disc 5 and lower disc 6 inseparabler to mounting 8 adopts the components of a whole that can function independently setting, can make mounting 8 install swiftly convenient more.

Referring to fig. 2 and 3, a specific embodiment of the present utility model is as follows, the tray-type aerator is fixedly provided with a drain pipe 9, the drain pipe 9 is sleeved on the bottom outlet of the base pipe 1, and a buffer member is arranged between the drain pipe 9 and the base pipe 1 and is used for buffering the sewage flow entering the drain pipe 9. Due to the influence of air humidity, the aeration system accumulates a certain amount of condensed water in the air piping during daily operation. This can affect the pressure balance in the air line, easily affecting the daily aeration effect. The condensed liquid in the aerator flows out through the drain pipe 9, so that the influence of the condensed water on the pipeline pressure is reduced. By providing a buffer for buffering the flow of water into the drain pipe 9.

Referring to fig. 2 and 3, another embodiment of the present utility model is provided based on the first embodiment, in which the buffer member includes a buffer sleeve 91 and a baffle ring 93. The buffer sleeve 91 is arranged in the drain pipe 9 in a sliding manner, the middle of the buffer sleeve 91 is communicated, a plurality of water outlets 92 are formed in the buffer sleeve 91, and the water outlets 92 are arranged around the axis of the buffer sleeve 91; the stop ring 93 is provided at the bottom of the buffer sleeve 91 for limiting the maximum sliding displacement of the buffer sleeve 91.

The utility model further provides a specific embodiment based on the first embodiment, which is as follows: the base pipe 1 and the sludge tray 3 are made of plastic. The weight of the base pipe 1 and the sludge tray 3 is reduced by adopting plastic, and the plastic has the advantages of good formability and colorability and low processing cost, and can greatly reduce the production cost of the base pipe 1 and the sludge tray 3 and improve the production efficiency of the base pipe 1 and the sludge tray 3.

Further, the base pipe 1 and the sludge tray 3 are formed by an integrated injection molding process, and the operation that the sludge tray 3 and the base pipe 1 need to be connected can be omitted by adopting the integrated injection molding process, so that the working procedures that the sludge tray 3 and the base pipe 1 need to be sealed are reduced.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. Tray formula aerator, its characterized in that includes:

a base pipe (1);

the aeration disc (2) is fixedly arranged above the base pipe (1) and is communicated with one end of the base pipe (1);

the sludge tray (3) is of an annular hollow cavity (31) structure and is arranged below the aeration tray (2), the sludge tray (3) is sleeved on the base pipe (1), the hollow cavity (31) is communicated with the base pipe (1), and through holes (32) are formed in the upper side and the lower side of the sludge tray (3) in a surrounding mode.

2. Tray-type aerator according to claim 1, characterized in that the sludge tray (3) is arranged at an angle to the base pipe (1), and that the angle α of the sludge tray (3) to the base pipe (1) is 3 ° -5 °.

3. Tray-type aerator according to claim 2, characterized in that the sludge tray (3) is of inverted cone shape.

4. A tray-type aerator as claimed in claim 3, characterized in that the diameter of the sludge tray (3) is larger than the diameter of the aeration tray (2), and the diameter of the sludge tray (3) is 100-200 mm larger than the diameter of the aeration tray (2).

5. Tray-type aerator according to claim 1, characterized in that a plurality of ribs (4) are arranged between the base pipe (1) and the sludge tray (3), and the ribs (4) are arranged on the base pipe (1) in a surrounding manner.

6. Tray-type aerator according to claim 1, characterized in that the sludge tray (3) comprises:

the upper disc (5) is of an annular structure and comprises a first ventilation part (51) which is arranged at an included angle with the base pipe (1) and a first connecting part (52) which is arranged horizontally at the cross section of the edge position;

the lower disc (6) is of an annular structure, is concentrically arranged with the upper disc (5), and comprises a second ventilation part (61) and a second connecting part (62) which is positioned at the edge position and is horizontally arranged in cross section, wherein the second ventilation part (61) and the first ventilation part (51) are arranged at an included angle;

wherein the bottom surface of the first connecting part (52) is in threaded connection with the top surface of the second connecting part (62).

7. A tray-type aerator as claimed in claim 6, wherein the first connection portion (52) has an annular connection groove (53) provided on the top surface thereof, and the sludge pan (3) further comprises:

connecting piece (7), transversal L type structure of personally submitting, connecting piece (7) include horizontal part (71) and vertical portion (72), vertical portion (72) with horizontal part (71) set up perpendicularly, just vertical portion (72) are located the below of horizontal part (71), the bottom surface of horizontal part (71) is equipped with annular protruding, annular protruding with spread groove (53) are nested, just the inside wall of vertical portion (72) with the lateral wall threaded connection of second connecting portion (62) of lower wall (6).

8. A tray-type aerator as claimed in claim 7, wherein said upper disc (5) and said lower disc (6) are further provided with a fixing member (8) for pressing and fixing, said fixing member (8) comprising:

the fixing ring (81) is arranged in an annular structure and comprises a threaded part (811) sleeved outside the first connecting part (52) and in threaded connection with the first connecting part, and a pressing part (812) contacted with the top surface of the first connecting part (52) and pressed;

the connecting ring (82) is of an L-shaped cross section, and the connecting ring (82) is sleeved at the bottom of the second connecting part (62) and is in threaded connection with the threaded part (811) of the fixing ring (81).

9. A tray-type aerator as claimed in claim 1, wherein the tray-type aerator is fixedly provided with a drain pipe (9), the drain pipe (9) is sleeved on the bottom outlet of the base pipe (1), and a buffer member is arranged between the drain pipe (9) and the base pipe (1) and is used for buffering the sewage flow entering the drain pipe (9).

10. The tray-type aerator of claim 9, wherein the buffer includes:

the buffer sleeve (91) is arranged in the drain pipe (9) in a sliding manner, the middle of the buffer sleeve (91) is communicated, a plurality of water outlets (92) are formed in the buffer sleeve (91), and the water outlets (92) are arranged around the axis of the buffer sleeve (91);

and the baffle ring (93) is arranged at the bottom of the buffer sleeve (91) and used for limiting the maximum sliding displacement of the buffer sleeve (91).