CN217148741U

CN217148741U - Aeration equipment for sewage treatment based on external air source

Info

Publication number: CN217148741U
Application number: CN202123318221.8U
Authority: CN
Inventors: 吴成锐; 朱孔胜; 刘红霞; 赵礼娜; 解树阳
Original assignee: Pingyin Water Development Co ltd
Current assignee: Pingyin Water Development Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-08-09
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses an aeration equipment for sewage treatment based on external air source, including drive arrangement, drive arrangement's one end runs through header and outer tube, and its end is fixed with the transmission of aeration dish, the aeration dish is the cavity material, include air drum and connecting axle in the aeration dish, the inside at the outer tube is fixed in the connecting axle is sealed, the outside intercommunication of outer tube has external air source, the outer tube emerges from the hollow air drum outside through the air flue, through the aeration dish structure that sets up, external air source can pass through the outer tube and get into annular air flue, at last escape through gas pocket and aeration hole, cooperate with the stirring effect of the air drum in the outside, after cutting the air current after the gas pocket pressurization, collide with the vortex muscle in the outside, make it fully dissolve with the liquid in the dustcoat, escape from the aeration hole again at last, a large amount of tiny bubbles emerge from the gas pocket, compare with current structure, place this device in the aeration tank, can improve the oxygen content in the pond by 30 percent, increase the dissolved oxygen and greatly improve the aeration effect.

Description

Aeration equipment for sewage treatment based on external air source

Technical Field

The utility model relates to an aeration equipment field especially relates to aeration equipment for sewage treatment based on outside air supply.

Background

In daily life, various domestic sewage can be produced, the domestic sewage can be discharged only after being treated, in the sewage treatment process, organic matters in the sewage are degraded by microorganisms to achieve primary treatment of the sewage, an important intermediate step in the sewage treatment process is to fully aerate the sewage to ensure the oxygen demand of the microorganisms in the sewage, so that the function of fully degrading the organic matters in the sewage is achieved, activated sludge in the sewage is fully dissolved with oxygen to decompose harmful substances in the sewage, and the activated sludge is uniformly dispersed in the sewage by stirring in the process.

In Chinese patent CN202021915937.9, an aeration device for treating sewage by rotational flow is introduced, wherein the spiral-flow type aeration equipment for sewage treatment is characterized in that a spiral-flow guide structure is arranged in the treatment bin, the sewage in the treatment bin is guided in a spiral-flow manner through the spiral-flow guide structure, the spiral-flow velocity of the water body in the treatment bin is increased, meanwhile, the uniform distribution type air guide structure at the lower part of the treatment bin is matched to uniformly inject air into the water body through the uniform distribution type air guide structure, so that the contact area and the contact time of air bubbles and sewage are improved, thereby improving the aeration efficiency, solving the problems that the air sent by the aerator is difficult to realize the full mixing with the activated sludge in the prior art, the air outlet angle of the aerator is generally upward, the contact time of the sprayed air and the sewage is short, and the treatment efficiency is low, however, the technical personnel in the field find that: this structure has appeared the problem of installation difficulty when using, moreover not the adaptation in the structure in sewage treatment pond, causes its condition of getting up comparatively impractically, and the operation is convenient inadequately.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides an aeration equipment for sewage treatment based on outside air supply, the user passes through the transfer line with the drive arrangement of one end and transmits to the aeration dish of one side, the aeration dish passes through rotary drum and connecting axle and is rotatory in the outer tube, escape high-pressure gas in the external air supply of one side from gas pocket and aeration hole, realize increasing the effect of the oxygen content of outside water, this device can be fixed in on various aeration machines such as the efflux aeration machine at sewage treatment station by the direct mount, can adopt the form of concentrated air feed, easy to assemble operation.

In order to solve the technical problem, the utility model provides a following technical scheme: aeration equipment for sewage treatment based on outside air supply, including drive arrangement, drive arrangement's one end runs through header and outer tube, and its end is fixed with the aeration dish transmission, the aeration dish is the cavity material, including air drum and connecting axle in the aeration dish, the inside at the outer tube is fixed in the connecting axle is sealed, the outside intercommunication of outer tube has external air supply, the outer tube emerge from the hollow air drum outside through the air flue.

As a preferred technical scheme of the utility model, drive arrangement's output transmission is provided with the transfer line, be fixed with the bearing between the outside of transfer line and the outer tube, one side of bearing is provided with the rotary drum.

As a preferred technical scheme of the utility model, the gas dish is fixed in the dustcoat structure, and multiunit aeration hole has been seted up in the outside of dustcoat structure, the inboard middle part and the connecting axle structure as an organic whole of gas dish, just be provided with the transmission hole in the connecting axle, through connecting block fixed connection between transmission hole outer wall and the air flue, the air flue is the annular structure, its end and hollow gas dish intercommunication.

As a preferred technical scheme of the utility model, the outside surface of gas dish is provided with clockwise rotation's vortex muscle structure, the multiunit gas pocket has been seted up on the outside dish wall of gas dish.

As an optimized technical scheme of the utility model, the aeration hole is the round platform structure of outer little big-end-up, and multiunit the aeration hole is the equidistance array and distributes on the dustcoat structure.

As a preferred technical scheme of the utility model, the outside of connecting axle is fixed with annular lug structure, the rotary trough structure has been seted up to the middle part inboard of rotary drum, and is cyclic annular the lug is fixed in the rotary trough structure.

As a preferred technical scheme of the utility model, be provided with the sealing washer structure between transfer line and the header.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. in this device, the user passes through the drive arrangement with the drive arrangement of one end with power and passes through the transfer line to the aeration dish transmission of one side, and the aeration dish passes through rotary drum and connecting axle and is rotatory in the outer tube, and the high-pressure gas in the external air supply with one side escapes from gas pocket and aeration hole, realizes increasing the effect of the oxygen content of outside water, and this device can be directly installed on various aeration machines such as the efflux aeration machine that is fixed in the sewage treatment station, can adopt the form of concentrated air feed, easy to assemble operation.

2. Through the aeration dish structure that sets up, external air supply can get into annular air flue through the outer tube, escape through gas pocket and aeration hole at last, the stirring effect of the air dish in the cooperation outside, after the air current after the gas pocket pressurization is cut, collide with the vortex muscle in the outside, make its and the liquid in the dustcoat fully dissolve, escape from the aeration hole at last again, a large amount of tiny bubbles emerge from the gas pocket, compare with current structure, place this device in the aeration tank, can improve the oxygen content in the pond by 30%, the effectual dissolved oxygen volume that has increased, very big improvement the aeration effect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic structural view of the inside of the connecting shaft of the present invention;

fig. 4 is a schematic structural view of the air pan of the present invention;

fig. 5 is a schematic structural view of the aeration holes of the present invention.

Wherein: 1. a drive device; 11. a transmission rod; 2. a header; 3. an outer tube; 31. a bearing; 32. a drum; 4. an aeration disc; 41. an air pan; 42. a connecting shaft; 421. an airway; 422. a drive bore; 423. connecting blocks; 424. a bump; 43. air holes; 44. an aeration hole; 5. is externally connected with an air source.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-5, the utility model provides an aeration equipment for sewage treatment based on external air supply, including drive arrangement 1, header 2 and outer tube 3 are run through to drive arrangement 1's one end, and its end is fixed with the transmission of aeration dish 4, and aeration dish 4 is the cavity material, includes air plate 41 and connecting axle 42 in the aeration dish 4, and connecting axle 42 is sealed to be fixed in the inside of outer tube 3, and the outside intercommunication of outer tube 3 has external air supply 5, and the outer tube 3 emerges from the hollow air plate 41 outside through air flue 421.

In other embodiments, the output end of the driving device 1 is provided with a transmission rod 11, a bearing 31 is fixed between the outer side of the transmission rod 11 and the outer tube 3, and one side of the bearing 31 is provided with a rotating drum 32.

The user transmits power to the aeration disc 4 at one side through the transmission rod 11 by using the driving device 1 at one end, the aeration disc 4 rotates in the outer tube 3 through the rotary drum 32 and the connecting shaft 42, and high-pressure gas in the external air source 5 at one side escapes from the air holes and the aeration holes 44, so that the effect of increasing the oxygen content of the external water body is realized.

In other embodiments, the air disk 41 is fixed in the housing structure, a plurality of sets of aeration holes 44 are formed in the outer side of the housing structure, the middle of the inner side of the air disk 41 and the connecting shaft 42 are integrated, a transmission hole 422 is formed in the connecting shaft 42, the outer wall of the transmission hole 422 is fixedly connected with the air passage 421 through a connecting block 423, the air passage 421 is an annular structure, and the end of the air passage 421 is communicated with the hollow air disk 41.

In other embodiments, the outer side surface of the air disk 41 is provided with a turbulence rib structure rotating clockwise, and the outer side disk wall of the air disk 41 is provided with a plurality of groups of air holes 43.

The vortex rib structure can be at rotatory in-process, cuts the gas in the shell to with vortex rib contact, cutting, be tiny bubble with large-scale bubble cutting, conveniently dissolve in liquid, and outside effusion, multiunit gas pocket 43 can be at a large amount of gas of short time effusion, improvement operating efficiency.

In other embodiments, the aeration holes 44 are round structures with small outside and large inside, and the plurality of groups of aeration holes 44 are distributed on the outer cover structure in an equidistant array.

More fine bubbles can be collected at the inner side of the aeration hole 44 of the circular truncated cone structure and emerge from the aeration hole 44, so that the fine bubbles can conveniently escape outwards.

In other embodiments, an annular protrusion 424 is fixed on the outer side of the connecting shaft 42, a rotating groove is formed on the inner side of the middle portion of the rotating drum 32, and the annular protrusion 424 is fixed in the rotating groove.

After the aeration disc 4 is driven by the transmission rod 11, the annular lug 424 and the rotary groove in the rotary drum 32 can rotate to realize the effect of rotary driving.

In other embodiments, a sealing ring arrangement is provided between the drive rod 11 and the header 2.

The sealing ring structure seals the transmission rod 11 and the interior of the collecting pipe 2, so that the condition of high-pressure gas leakage is avoided.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating 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 foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Aeration equipment for sewage treatment based on outside air supply includes drive arrangement (1), its characterized in that: one end of the driving device (1) penetrates through the collecting pipe (2) and the outer pipe (3), the tail end of the driving device is fixedly transmitted with the aeration disc (4), the aeration disc (4) is made of a hollow material, the aeration disc (4) comprises an air disc (41) and a connecting shaft (42), the connecting shaft (42) is fixed in the outer pipe (3) in a sealing mode, the outer side of the outer pipe (3) is communicated with an external air source (5), and the outer pipe (3) is blown out from the outer side of the hollow air disc (41) through an air passage (421).

2. An aeration apparatus for sewage treatment based on external air source according to claim 1, characterized in that: the output end of the driving device (1) is provided with a transmission rod (11) in a transmission manner, a bearing (31) is fixed between the outer side of the transmission rod (11) and the outer tube (3), and one side of the bearing (31) is provided with a rotating drum (32).

3. An aeration apparatus for sewage treatment based on external air source according to claim 1, characterized in that: the air disc (41) is fixed in the outer cover structure, a plurality of groups of aeration holes (44) are formed in the outer side of the outer cover structure, the middle of the inner side of the air disc (41) and the connecting shaft (42) are of an integral structure, a transmission hole (422) is formed in the connecting shaft (42), the outer wall of the transmission hole (422) is fixedly connected with the air passage (421) through a connecting block (423), the air passage (421) is of an annular structure, and the tail end of the air passage is communicated with the hollow air disc (41).

4. An aeration apparatus for sewage treatment based on external air source according to claim 1, characterized in that: the outer side surface of the air disc (41) is provided with a turbulence rib structure rotating clockwise, and the outer side disc wall of the air disc (41) is provided with a plurality of groups of air holes (43).

5. An aeration apparatus for sewage treatment based on external air supply according to claim 3, characterized in that: the aeration holes (44) are in a round table structure with a small outer part and a large inner part, and the aeration holes (44) in multiple groups are distributed on the outer cover structure in an equidistant array mode.

6. An aeration apparatus for sewage treatment based on external air source according to claim 2, characterized in that: an annular bump (424) structure is fixed on the outer side of the connecting shaft (42), a rotary groove structure is formed in the inner side of the middle of the rotary drum (32), and the annular bump (424) is fixed in the rotary groove structure.

7. An aeration apparatus for sewage treatment based on external air supply according to claim 2, wherein: and a sealing ring structure is arranged between the transmission rod (11) and the collecting pipe (2).