CN216038816U

CN216038816U - Rotary uniform aeration device of biological filter

Info

Publication number: CN216038816U
Application number: CN202121622777.3U
Authority: CN
Inventors: 王明月
Original assignee: TIANJIN RUNJIE INNOVATION ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Current assignee: TIANJIN RUNJIE INNOVATION ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-03-15
Anticipated expiration: 2031-07-16

Abstract

The utility model provides a rotary uniform aeration device of a biological filter, which is characterized by comprising a positioning column, a connecting block, a stabilizing frame, an aerator and a rotary air injection mechanism, wherein the connecting block is welded at the top of the positioning column; the left side wall of the connecting block is provided with an aerator through a bolt; the aerator is connected with an external power supply; one end of a stabilizing frame is mounted on the right side wall of the aerator through a bolt; the other end of the stabilizing frame is arranged at the top of the connecting block through a bolt; the rotary air injection mechanism is arranged on the left side of the aerator, so that air bubbles can be covered in the sewage in the biological filter to the maximum extent, the dissolved oxygen amount is greatly increased, the sewage in the biological filter is stirred to have fluidity, the dissolved oxygen is more uniform, the sewage treatment efficiency of the biological filter is greatly improved, and meanwhile, the rotary air injection mechanism only needs to be directly placed in the biological filter, and the trouble of installation of workers is greatly avoided.

Description

Rotary uniform aeration device of biological filter

Technical Field

The utility model relates to the technical field of biological filters, in particular to a rotary uniform aeration device of a biological filter.

Background

The biological filter is a biological treatment structure formed by broken stones or plastic fillers, is developed by an original intermittent sand filter and a contact filter based on the principle of soil self-purification on the basis of the practice of sewage irrigation, and is an artificial biological treatment technology for enabling sewage to be in contact with microbial films growing on the surfaces of the fillers in a clearance way and purifying the sewage;

the biological filter can be divided into an upflow biological filter and a downflow biological filter according to the water flow direction. The biological filter mainly comprises: the filter bed consists of filter materials, the common filter materials comprise broken stones or plastic product fillers, the filter bed is laid at the lower part of the biological filter, when the traditional biological filter bed is used for treating sewage, a water distribution pipe system is directly utilized to directly spray the sewage to be treated into the biological filter bed, the sewage is directly contacted with the filter bed, a microbial membrane in the filter bed is utilized to treat the sewage, and finally, the treated sewage is directly discharged through a drainage false bottom; the microorganism used by the filter bed is divided into anaerobic microorganism and aerobic microorganism, the aerobic microorganism is mostly used in the market at present and is attached to the filter bed to treat the sewage to be treated, and the aerobic microorganism has a characteristic and can greatly improve the reaction efficiency of the microorganism under the condition of sufficient oxygen, so that the prior art needs to introduce sufficient air into the biological filter tank distributed with the sewage when the aerobic microorganism is used and the biological filter tank is used for purifying the sewage to improve the sewage treatment effect of the microorganism, in the prior art, a method for aerating the sewage in the biological filter tank is to use an oxygenation disc or a plurality of air nozzles to be arranged in the biological filter tank and use an external aerator to enable the oxygenation disc or the plurality of air nozzles to spray the air into the sewage, but the dense air outlet holes of the oxygenation disc can increase the dissolved oxygen, however, the bubbles generated by the oxygenation disc can only be oxygenated locally in the biological filter, so that the dissolved oxygen speed in sewage is low, and the dissolved oxygen cannot be uniformly dissolved.

Disclosure of Invention

According to the technical problem, the utility model provides a rotary uniform aeration device of a biological filter, which is characterized by comprising a positioning column, a connecting block, a stabilizing frame, an aerator and a rotary air injection mechanism, wherein the connecting block is welded at the top of the positioning column; the left side wall of the connecting block is provided with an aerator through a bolt; the aerator is connected with an external power supply; one end of a stabilizing frame is mounted on the right side wall of the aerator through a bolt; the other end of the stabilizing frame is arranged at the top of the connecting block through a bolt; a rotary air injection mechanism is arranged on the left side of the aerator;

the rotary air injection mechanism consists of an air entraining pipe, a main exhaust pipe, a rotary pipe, a bearing, a main pipe, an auxiliary pipe, a refining net and a nozzle, wherein the air outlet end of the aerator is connected with one end of the air entraining pipe; the air guide pipe is of an L-shaped structure; the other end of the air guide pipe extends downwards to be connected with a main exhaust pipe; the outer side wall of the exhaust pipe is provided with a transition hole; the number of the transition holes is two; the outer side wall of the exhaust pipe is welded with a rotating pipe; the number of the rotary pipes is two; the two transition holes are respectively arranged in the two rotating pipes; the inner side walls of the two rotating pipes are respectively provided with an outer ring of a bearing; a main pipe is arranged on the inner ring of the bearing; the inner part of the main pipe is communicated with the inner part of the main exhaust pipe through the inner part of the rotary pipe and the transition hole; the outer side wall of the main pipe is connected with one end of the auxiliary pipe; the number of the auxiliary pipes is N, and N is more than or equal to 2; the auxiliary pipe is of an arc-shaped structure; the interior of the auxiliary pipe is communicated with the interior of the main pipe; the other end of the auxiliary pipe is connected with a nozzle; the outer side wall of the secondary pipe is provided with an aeration hole; the number of the aeration holes is M, and M is more than or equal to 2; and a thinning net is arranged on the inner side wall of the aeration hole.

The utility model has the beneficial effects that:

the utility model adds the rotary air injection mechanism, so as to achieve the aeration effect of uniform rotation in the biological filter, when the utility model is used, a worker only needs to directly connect the external power supply of the aerator, then a large amount of gas generated by the aerator can directly enter the main exhaust pipe through the air guide pipe and is discharged into the rotary pipe through the transition hole, and further enters the main rod and enters the auxiliary pipes one by one, because each auxiliary pipe is of an arc structure, when the gas is sprayed out from the nozzle at the other end of the auxiliary pipe, the acceleration direction of the gas spraying is tangential to the circumference taking the main pipe as the circle center, when the nozzles of the plurality of auxiliary pipes spray the gas simultaneously, all the auxiliary pipes can drive the main pipe to rotate, because the main pipe and the rotary pipe are intercepted by the bearing, the main pipe can directly rotate, and the rotation of the auxiliary pipes can generate centrifugal force, when gas is discharged from the aeration holes through the fine net, tiny bubbles can diffuse to the periphery under the action of centrifugal force, so that the bubbles can cover the interior of sewage in the biological filter to the maximum extent, the dissolved oxygen is greatly increased, meanwhile, the sewage in the biological filter can be stirred by the rotation of the auxiliary pipe, the biological filter has fluidity, the dissolved oxygen is more uniform, the best reaction environment is provided for aerobic microorganisms, the sewage treatment efficiency of the biological filter is greatly improved, meanwhile, the biological filter is convenient to install, only the biological filter needs to be directly placed in the biological filter, and the trouble of installation for workers is greatly avoided.

Drawings

FIG. 1 is a schematic view of the present invention integrally installed in a downflow biological filter;

FIG. 2 is a schematic view of the present invention integrally installed in an upflow biological filter;

FIG. 3 is a schematic view of the overall structure of the present invention;

FIG. 4 is an enlarged cross-sectional view of portion A of FIG. 3 in accordance with the present invention;

FIG. 5 is a top plan view of the primary and secondary pipes of the present invention;

fig. 6 is a schematic view of the installation position of the fine mesh of the present invention.

As shown in the figure: 1-a water feeding tank, 11-a water distribution system, 12-a water inlet system, 13-a filter tank main body, 14-a filter bed, 15-a drainage false bottom, 16-a support tank, 17-an overflow weir, 2-a positioning column, 3-a connecting block, 4-a stabilizing frame, 5-an aerator, 6-an air entraining pipe, 61-a main exhaust pipe, 62-a transition hole, 63-a rotating pipe, 64-a bearing, 65-a main pipe, 66-an auxiliary pipe, 661-an aeration hole, 662-a refining net and 67-a nozzle.

Detailed Description

Example 1

The utility model provides a rotary uniform aeration device of a biological filter, which is characterized by comprising a positioning column 2, a connecting block 3, a stabilizing frame 4, an aerator 5 and a rotary air injection mechanism, wherein the connecting block 3 is welded at the top of the positioning column 2; the left side wall of the connecting block 3 is provided with an aerator 5 through a bolt; the aerator 5 is connected with an external power supply; one end of a stabilizing frame 4 is installed on the right side wall of the aerator 5 through a bolt; the other end of the stabilizing frame 4 is arranged at the top of the connecting block 3 through a bolt; a rotary air injection mechanism is arranged on the left side of the aerator 5;

the rotary air injection mechanism consists of an air guide pipe 6, a main exhaust pipe 61, a rotary pipe 63, a bearing 64, a main pipe 65, an auxiliary pipe 66, a refining net 662 and a nozzle 67, and the air outlet end of the aerator 5 is connected with one end of the air guide pipe 6; the air guide pipe 6 is of an L-shaped structure; the other end of the bleed air pipe 6 extends downwards and is connected with a main exhaust pipe 61; the outer side wall of the exhaust pipe is provided with a transition hole 62; the number of the transition holes 62 is two; the outer side wall of the exhaust pipe is welded with a rotating pipe 63; the number of the rotary pipes 63 is two; the two transition holes 62 are respectively arranged inside the two rotary pipes 63; the inner side walls of the two rotating pipes 63 are respectively provided with an outer ring of a bearing 64; a main pipe 65 is installed on the inner ring of the bearing 64; the interior of the main pipe 65 communicates with the interior of the main exhaust pipe 61 through the interior of the rotary pipe 63 and the transition hole 62; the outer side wall of the main pipe 65 is connected with one end of the auxiliary pipe 66; the number of the auxiliary pipes 66 is N, and N is more than or equal to 2; the secondary pipe 66 is of a circular arc structure; the interior of the sub pipe 66 communicates with the interior of the main pipe 65; the other end of the secondary pipe 66 is connected with a nozzle 67; the outer side wall of the auxiliary pipe 66 is provided with an aeration hole 661; the number of the aeration holes 661 is M, wherein M is more than or equal to 2; the inner side wall of the aeration hole 661 is provided with a thinning net 662.

Example 2

When the rotary jet-propelled filter is installed, firstly, a supporting groove 16 needs to be formed in a foundation on one side of a filter body 13, then, the positioning column 2 is directly placed inside the supporting groove 16, namely, the rotary jet-propelled mechanism of the rotary jet-propelled filter can be arranged inside the filter body 13, then, a worker needs to discharge sewage inside a feed water tank 1 into the filter body 13 through a water distribution system 11 and a water inlet system 12, and finally, the sewage covers the upper side of a filter bed 14, and the rotary jet-propelled filter begins to use the rotary jet-propelled filter;

when the utility model is used, a worker only needs to directly connect the external power supply of the aerator 5, then a large amount of gas generated by the aerator 5 can directly enter the main exhaust pipe 61 through the bleed air pipe 6, and is discharged to the inside of the rotary pipe 63 through the transition hole 62, further enters the inside of the main rod, and enters the auxiliary pipes 66 one by one, because each auxiliary pipe 66 is of a circular arc structure, when the gas is sprayed out from the nozzle 67 at the other end of the auxiliary pipe 66, the acceleration direction of the gas spraying is tangential to the circumference taking the main pipe 65 as the circle center, therefore, when the nozzles 67 of the plurality of auxiliary pipes 66 spray the gas at the same time, all the auxiliary pipes 66 can drive the main pipe 65 to rotate, because the main pipe 65 and the rotary pipe 63 are intercepted by the bearing 64, the main pipe 65 can directly rotate, the rotation of the auxiliary pipes 66 can also generate centrifugal force, when the gas is discharged from the aeration holes 661 through the fine mesh 662, the tiny bubbles can diffuse to the periphery under the action of centrifugal force, so that the bubbles can cover the interior of sewage in the filter main body 13 to the maximum extent, the dissolved oxygen is greatly increased, meanwhile, the rotation of the auxiliary pipe 66 can stir the sewage in the filter main body 13, so that the sewage has fluidity, the dissolved oxygen is more uniform, the best reaction environment for aerobic microorganisms in the filter bed 14 is provided, and the clean sewage is directly discharged from the drainage false bottom 15 after a period of time, which is the mode applied to the downflow type biological filter;

similarly, when the present invention is applied to an upflow biofilter, it operates in the same manner as in a downflow biofilter, but after a certain period of time, the cleaned sewage is discharged through the overflow weir 17, and the whole process is completed.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. While the utility model has been described with respect to the above embodiments, it will be understood by those skilled in the art that the utility model is not limited to the above embodiments, which are described in the specification and illustrated only to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A rotary uniform aeration device of a biological filter is characterized by comprising a positioning column, a connecting block, a stabilizing frame, an aerator and a rotary air injection mechanism, wherein the connecting block is welded at the top of the positioning column; the left side wall of the connecting block is provided with an aerator through a bolt; the aerator is connected with an external power supply; one end of a stabilizing frame is mounted on the right side wall of the aerator through a bolt; the other end of the stabilizing frame is arranged at the top of the connecting block through a bolt; a rotary air injection mechanism is arranged on the left side of the aerator;

the rotary air injection mechanism consists of an air entraining pipe, a main exhaust pipe, a rotary pipe, a bearing, a main pipe, an auxiliary pipe, a refining net and a nozzle, wherein the air outlet end of the aerator is connected with one end of the air entraining pipe; the other end of the air guide pipe extends downwards to be connected with a main exhaust pipe; the outer side wall of the exhaust pipe is provided with a transition hole; the number of the transition holes is two; the outer side wall of the exhaust pipe is welded with a rotating pipe; the number of the rotary pipes is two; the two transition holes are respectively arranged in the two rotating pipes; the inner side walls of the two rotating pipes are respectively provided with an outer ring of a bearing; a main pipe is arranged on the inner ring of the bearing; the outer side wall of the main pipe is connected with one end of the auxiliary pipe; the interior of the auxiliary pipe is communicated with the interior of the main pipe; the other end of the auxiliary pipe is connected with a nozzle; the outer side wall of the secondary pipe is provided with an aeration hole; and a thinning net is arranged on the inner side wall of the aeration hole.

2. A rotary uniform aeration apparatus according to claim 1 wherein said air-entraining ducts are of L-shaped configuration.

3. A rotary uniform aeration apparatus for a biofilter according to claim 1 wherein the interior of said main tube communicates with the interior of said main draft tube through the interior of said rotary tube and said transition holes.

4. A rotary uniform aeration apparatus for biofilters, according to claim 1, wherein the number of said secondary tubes is N, N being not less than 2.

5. A rotary uniform aeration apparatus according to claim 1 wherein said secondary tube is of arcuate configuration.

6. A rotary uniform aeration apparatus for biofilters, according to claim 1, wherein the number of said aeration holes is M, M being not less than 2.