Aerobic tank aeration fan pipeline pressure relief device

Abstract

The utility model relates to the technical field of aerobic tanks, in particular to a pipeline pressure relief device for an aeration fan of an aerobic tank, which comprises a main aeration pipe arranged in the aerobic tank, a first end of the main aeration pipe is connected with an output end of the aeration fan through a first rotary joint, and a plurality of auxiliary aeration pipes communicated with the main aeration pipe are fixedly arranged on the main aeration pipe. The aeration main pipe swings under the driving of the swinging assembly; the purification box is fixedly arranged on one side of the aerobic tank, a liquid inlet and a liquid outlet are formed in the purification box, an air inlet pipe is arranged on the purification box, the first end of the air inlet pipe is connected with an air inlet in the purification box, the second end of the air inlet pipe is communicated with the second end of the aeration main pipe through a second rotating joint, and a pressure release valve is fixedly arranged on the air inlet pipe; an air outlet is formed in the purification box above the liquid inlet; and the stirring assembly is arranged in the purification box below the liquid inlet. The device has the advantages of purifying pollution gas and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to an aerobic tank technical field, concretely is an aerobic tank aeration fan pipeline pressure relief device. BACKGROUND

[0002] The aerobic tank is an important unit in the activated sludge method sewage treatment process, installs the aeration pipe in the aerobic tank, and the aeration pipe fills into the air in water, and the oxygen in the air can dissolve in water, thereby providing sufficient oxygen for aerobic microorganisms, guaranteeing that they can efficiently decompose organic matters in sewage, such as carbohydrates, proteins and fats.

[0003] If the internal pressure continuously rises and exceeds the pressure limit that the material can bear in the working process of the aeration pipe, then the aeration pipe will burst, and the existing pressure relief mode is generally to install a pressure relief valve to relieve the pressure of the aeration pipe, but the main component of the gas discharged from the aeration pipe is air, and also contains a small amount of volatile organic compounds (VOCs) escaping from sewage, water vapor and gases (such as carbon dioxide) produced by microbial metabolism, which can easily pollute the surrounding air. SUMMARY

[0004] Therefore, the utility model provides an aerobic tank aeration fan pipeline pressure relief device, aiming at solving the problem of polluting the surrounding air in the prior art.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme: an aerobic tank aeration fan pipeline pressure relief device, comprising:

[0006] An aerobic tank is provided with an aeration main pipe, the first end of the aeration main pipe is connected with the output end of the aeration fan through a first rotary joint, a plurality of aeration branch pipes are arranged on the aeration main pipe and communicated with the aeration main pipe, and the aeration main pipe swings under the drive of a swing assembly;

[0007] A purification tank is arranged on one side of the aerobic tank and is provided with a liquid inlet and a liquid outlet, an air inlet is arranged on the purification tank, the first end of an air inlet pipe is connected with the air inlet of the purification tank, the second end of the air inlet pipe is communicated with the second end of the aeration main pipe through a second rotary joint, a pressure relief valve is arranged on the air inlet pipe, and an air outlet is arranged above the liquid inlet of the purification tank;

[0008] A stirring assembly is arranged in the purification tank below the liquid inlet.

[0009] The utility model further improves that the swing assembly comprises:

[0010] A first motor is arranged on the aerobic tank, and a wheel disc is arranged on the power output end of the first motor;

[0011] A first connecting rod, a first end of which is connected to the end of the aeration main pipe, and a long slot hole at a second end of the first connecting rod is slidably connected to a first guide column arranged eccentrically on the wheel disc.

[0012] The further improvement of the utility model lies in that the stirring assembly comprises a stirring shaft which is horizontally arranged in the purification tank below the liquid inlet, and stirring blades are arranged on the stirring shaft, and the stirring shaft rotates alternately in positive and reverse directions under the driving of the driving assembly.

[0013] The further improvement of the utility model lies in that the driving assembly comprises:

[0014] A first rotating shaft is horizontally arranged on the purification tank and rotates under the driving of a second motor, and a first incomplete gear is arranged on the first rotating shaft;

[0015] A second incomplete gear is rotatably arranged on the purification tank and coaxial with the first rotating shaft, the second incomplete gear is connected with the first rotating shaft through a support, and the external teeth of the first incomplete gear and the internal teeth of the second incomplete gear are alternately engaged with a first gear on the stirring shaft.

[0016] The further improvement of the utility model lies in that a gas distribution tank is arranged below the stirring assembly, the gas distribution tank is communicated with the air inlet, and a plurality of gas distribution pipes which are communicated with the gas distribution tank are uniformly arranged on the upper surface of the gas distribution tank.

[0017] The further improvement of the utility model lies in that a one-way valve is arranged in the gas distribution pipe.

[0018] The further improvement of the utility model lies in that an activated carbon filter plate is arranged on the air outlet.

[0019] Thanks to the above technical scheme, the utility model has the following technical progress:

[0020] The utility model provides a kind of aerobic tank aeration fan pipeline pressure relief device, aeration fan is ventilated in aerobic tank by aeration sub-pipe on aeration main pipe, when the pressure in aeration main pipe is larger after a period of ventilation, pressure relief valve is relieved, gas enters purification tank by aeration main pipe, second rotary joint, air inlet pipe, and treatment liquid is poured from liquid inlet in purification tank, gas enters treatment liquid, and stirring assembly stirs treatment liquid, so that gas and treatment liquid are fully integrated, to facilitate gas purification, subsequently, purified gas is discharged from air outlet, compared with prior art, can effectively reduce pollution to ambient air. DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the following embodiment description will be briefly introduced, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0022] Figure 1 It is the whole structure schematic view of the pressure relief device of the present application.

[0023] Figure 2 It is the purification tank structure schematic view of the pressure relief device of the present application.

[0024] Figure 3 It is the swing assembly structure schematic view of the pressure relief device of the present application.

[0025] Figure 4 It is the stirring assembly structure schematic view of the pressure relief device of the present application.

[0026] Explanation of reference signs:

[0027] 10-oxygen tank, 11-aeration main pipe, 111-aeration auxiliary pipe, 12-purification tank, 121-liquid inlet, 122-liquid outlet, 123-gas inlet pipe, 124-second rotary joint, 125-pressure relief valve, 13-activated carbon filter plate, 20-swing assembly, 21-first motor, 22-wheel disc, 221-first guide column, 23-first connecting rod, 231-long slot hole, 30-stirring assembly, 31-stirring shaft, 311-first gear, 32-stirring blade, 33-first rotating shaft, 331-second motor, 332-first incomplete gear, 34-second incomplete gear, 341-bracket, 40-gas distribution tank, 41-gas distribution pipe. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, in the following description, specific details such as specific system structure, technology are proposed for the purpose of illustration but not for the purpose of limitation, so that the embodiments of the present application can be understood thoroughly. However, those skilled in the art should know that the present application can also be realized in other embodiments without these specific details. In other cases, the detailed description of well-known systems, devices, circuits and methods is omitted, so as not to obscure the description of the present application with unnecessary details.

[0029] The present application provides an aerobic tank aeration fan pipeline pressure relief device, in combination with the description of the drawings Figure 1 to the drawings Figure 4It can be known that the pipeline pressure relief device of the aerobic tank aeration fan mainly comprises the following parts or components: an aerobic tank 10, a purification tank 12, and a stirring assembly 30.

[0030] In the utility model, the aerobic tank 10 is provided with an aeration main pipe 11, the first end of the aeration main pipe 11 is connected with the output end of an aeration fan (not shown in the drawing) through a first rotary joint (not shown in the drawing), a plurality of aeration branch pipes 111 are fixedly arranged on the aeration main pipe 11 and are communicated with the aeration main pipe 11, and the aeration main pipe 11 swings under the drive of a swing assembly 20; the purification tank 12 is fixedly arranged on one side of the aerobic tank 10, is provided with an inlet 121 and an outlet 122, is provided with an air inlet pipe 123, the first end of the air inlet pipe 123 is connected with an air inlet (not marked in the drawing) on the purification tank 12, the second end of the air inlet pipe 123 is communicated with the second end of the aeration main pipe 11 through a second rotary joint 124, a pressure relief valve 125 is fixedly arranged on the air inlet pipe 123, and the purification tank 12 is provided with an air outlet (not shown in the drawing) above the inlet 121; the stirring assembly 30 is arranged in the purification tank 12 below the inlet 121.

[0031] The aeration fan ventilates the aerobic tank 10 through the aeration branch pipes 111 on the aeration main pipe 11, the swing assembly 20 drives the aeration main pipe 11 to swing, the aeration main pipe 11 drives the aeration branch pipes 111 to swing synchronously, and aeration can be carried out in a large range; when the pressure in the aeration main pipe 11 is relatively high after aeration for a period of time, the pressure relief valve 125 releases pressure, the gas enters the purification tank 12 through the aeration main pipe 11, the second rotary joint 124 and the air inlet pipe 123, the treatment liquid is poured into the purification tank 12 from the inlet 121, the gas enters the treatment liquid, the stirring assembly 30 stirs the treatment liquid, the gas and the treatment liquid are fully mixed, the gas is purified, and then the purified gas is discharged from the air outlet, so that the pollution to the surrounding air can be effectively reduced.

[0032] As an embodiment, the drawings are combined with the description Figure 2 It can be known that the swing assembly 20 comprises a first motor 21, the first motor 21 is fixedly arranged on the aerobic tank 10, a wheel disc 22 is fixedly arranged on the power output end of the first motor 21, a first connecting rod 23 is connected with the end of the aeration main pipe 11, and a long slot hole 231 of the second end of the first connecting rod 23 is slidably connected with a first guide column 221 which is eccentrically and fixedly arranged on the wheel disc 22.

[0033] The first motor 21 drives the wheel disc 22 to rotate, the wheel disc 22 drives the first connecting rod 23 to swing through the cooperation of the first guide column 221 and the long slot hole 231, the first connecting rod 23 drives the aeration main pipe 11 to swing, and the aeration main pipe 11 drives the aeration branch pipes 111 to swing, so that aeration can be carried out in a large range.

[0034] In the embodiment, the drawings are combined with the description Figure 2 , the drawingsFigure 4 It can be known that the stirring assembly 30 comprises a stirring shaft 31 horizontally arranged in the purification tank 12 below the liquid inlet 121, a stirring blade 32 fixedly arranged on the stirring shaft 31, and the stirring shaft 31 is alternately rotated in positive and reverse directions under the driving of the driving assembly. The driving assembly comprises a first rotating shaft 33 horizontally arranged on the purification tank 12 and rotated under the driving of a second motor 331, and a first incomplete gear 332 is arranged on the first rotating shaft 33; a second incomplete gear 34 is rotatably arranged on the purification tank 12 and coaxial with the first rotating shaft 33, the second incomplete gear 34 is connected with the first rotating shaft 33 through a support 341, and the external teeth of the first incomplete gear 332 and the internal teeth of the second incomplete gear 34 are alternately engaged with a first gear 311 on the stirring shaft 31.

[0035] The second motor 331 drives the first rotating shaft 33 to rotate, the first rotating shaft 33 drives the first incomplete gear 332 to rotate, and the first rotating shaft 33 drives the second incomplete gear 34 to synchronously rotate through the support 341; when the external teeth of the first incomplete gear 332 are engaged with the first gear 311, the first gear 311 rotates in positive direction, when the external teeth of the first incomplete gear 332 are disengaged from the first gear 311, the internal teeth of the second incomplete gear 34 are engaged with the first gear 311, the first gear 311 reversely rotates, and the first gear 311 is alternately rotated in positive and reverse directions, the first gear 311 drives the stirring shaft 31 to alternately rotate in positive and reverse directions, the stirring shaft 31 stirs the treatment liquid through the stirring blade 32, the gas is fully mixed with the treatment liquid, and the gas is purified.

[0036] As an embodiment, the utility model discloses a purification device for oxygen tank Figure 2 It can be known that the stirring assembly 30 is fixedly arranged below a gas distribution tank 40, the gas distribution tank 40 is communicated with the gas inlet, and a plurality of gas distribution pipes 41 communicated with the gas distribution tank 40 are uniformly and fixedly arranged on the upper surface of the gas distribution tank 40.

[0037] The gas enters the gas distribution tank 40 through the gas inlet, and then is dispersed into the treatment liquid through the gas distribution pipes 41, so that the gas can be uniformly entered into the treatment liquid.

[0038] Specifically, the one-way valve is arranged in the gas distribution pipe 41, so that the treatment liquid can be prevented from flowing into the gas distribution tank 40 from the gas distribution pipe 41.

[0039] As an embodiment, the utility model discloses a purification device for oxygen tank Figure 4 It can be known that the active carbon filter plate 13 is fixedly arranged on the gas outlet, so that the gas treated by the treatment liquid can be adsorbed, the harmful substances that cannot be treated by the treatment liquid are adsorbed and discharged, and the concept of green environmental protection is met.

[0040] The utility model provides a kind of aerobic tank aeration fan pipeline pressure relief device, when using, specific operating process is as follows:

[0041] The aeration fan aerates the aerobic tank 10 through the aeration sub-pipes 111 on the aeration main pipe 11, and the swing assembly 20 drives the aeration main pipe 11 to swing, and the aeration main pipe 11 drives the aeration sub-pipes 111 to swing synchronously, so that the aeration can be carried out in a wide range. After aeration for a period of time, when the pressure in the aeration main pipe 11 is relatively large, the pressure relief valve 125 relieves the pressure, and the gas enters the purification tank 12 through the aeration main pipe 11, the second rotary joint 124 and the air inlet pipe 123. The treatment liquid is poured into the purification tank 12 from the liquid inlet 121, the gas enters the treatment liquid, the stirring assembly 30 stirs the treatment liquid, so that the gas and the treatment liquid are fully mixed, so as to purify the gas. Subsequently, the purified gas is discharged from the gas outlet, which can effectively reduce the pollution to the surrounding air.

[0042] It should be noted that, in the present patent application, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment, without more limitation, and the statement "including a limited element" does not exclude the existence of other same elements in the process, method, article or equipment including the element.

[0043] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. An aerobic tank aeration blower pipe pressure relief device, characterized by, The utility model relates to an aerobic tank aeration fan pipeline pressure relief device, including: An aerobic tank is provided with an aeration main pipe, the first end of aeration main pipe is connected with the output end of aeration fan through the first rotary joint, a plurality of aeration branch pipes are arranged on the aeration main pipe and communicated with the aeration main pipe, and the aeration main pipe swings under the drive of swing assembly; A purification tank is arranged on one side of the aerobic tank, and the purification tank is provided with a liquid inlet and a liquid outlet, an air inlet is arranged on the purification tank, the first end of the air inlet is connected with the air inlet of the purification tank, the second end of the air inlet is communicated with the second end of the aeration main pipe through the second rotary joint, a pressure relief valve is arranged on the air inlet, and an air outlet is arranged above the liquid inlet of the purification tank; A stirring assembly is arranged in the purification tank below the liquid inlet.

2. The aerobic tank aeration fan pipeline pressure relief device according to claim 1, wherein the swing assembly comprises: A first motor is arranged on the aerobic tank, and a wheel disc is arranged on the power output end of the first motor; The first end of a first connecting rod is connected with the end of the aeration main pipe, and the long slot hole of the second end of the first connecting rod is slidably connected with the first guide column eccentrically arranged on the wheel disc.

3. The aerobic tank aeration fan pipeline pressure relief device according to claim 2, wherein the stirring assembly comprises a stirring shaft arranged horizontally in the purification tank below the liquid inlet, and a stirring blade is arranged on the stirring shaft, and the stirring shaft rotates alternately in positive and reverse directions under the drive of a drive assembly.

4. The aerobic tank aeration fan pipeline pressure relief device according to claim 3, wherein the drive assembly comprises: A first rotating shaft is arranged horizontally on the purification tank and rotates under the drive of a second motor, and a first incomplete gear is arranged on the first rotating shaft; A second incomplete gear is rotatably arranged on the purification tank and coaxial with the first rotating shaft, the second incomplete gear is connected with the first rotating shaft through a support, and the outer teeth of the first incomplete gear and the inner teeth of the second incomplete gear are alternately engaged with a first gear on the stirring shaft.

5. The aerobic tank aeration fan pipeline pressure relief device according to claim 1, wherein a gas distribution tank is arranged below the stirring assembly, the gas distribution tank is communicated with the air inlet, and a plurality of gas distribution pipes are uniformly arranged on the upper surface of the gas distribution tank and communicated with the gas distribution tank.

6. The aerobic tank aeration fan pipeline pressure relief device according to claim 5, wherein a one-way valve is arranged in the gas distribution pipe.

7. The aerobic tank aeration fan pipeline pressure relief device according to claim 1, wherein an activated carbon filter plate is arranged on the air outlet. ​ ​ ​ ​ ​ ​

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