Aeration tank for microbial decomposition in sewage

Abstract

The aeration tank comprises an aeration tank body, a water inlet pipe and a water outlet pipe, the water inlet pipe is fixedly communicated with the left side of the aeration tank body, the water outlet pipe is fixedly communicated with the right side of the aeration tank body, the two sides of the bottom of the inner wall of the aeration tank body are fixedly connected with convex blocks, and the convex blocks are fixedly connected with the aeration tank body. The inner wall of the convex block is fixedly connected with a conveying pipe, the front side and the rear side of the top of the conveying pipe are fixedly communicated with supporting pipes, and the surface of each supporting pipe is fixedly communicated with an aeration mechanism. According to the aeration tank, the water inlet pipe is arranged, water is conveyed into the aeration tank body through the water inlet pipe, the aeration mechanism sprays out gas, the gas is changed into tiny bubbles, oxygen is accelerated to be dissolved into water, microorganisms are promoted to decompose organic matters, and the problems that in the aeration process of an existing aeration tank body, the contact time of oxygen and water is short, and the aeration effect is poor are solved. Meanwhile, bubbles in water are less, so that the decomposition efficiency of microorganisms is reduced, and the advantage of improving the decomposition efficiency is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aeration tank technical field, concretely is a kind of for microbial decomposition in sewage aeration tank. BACKGROUND

[0002] Aeration tank is the structure using activated sludge method to carry out sewage treatment, air is forcedly passed into sewage by aeration equipment, air and water are strongly contacted, oxygen in air is dissolved in water, oxygen required for survival and work of aerobic microorganism in sewage is provided, and the decomposition efficiency of microorganism is improved.

[0003] The contact time of oxygen and water is short in the process of aeration of the existing aeration tank, and the decomposition efficiency of microorganism is reduced due to the small amount of bubbles in water. UTILITY MODEL CONTENT

[0004] To solve the problems in the above background, the utility model provides a kind of for microbial decomposition in sewage aeration tank, with the advantage of improving decomposition efficiency, solve the problem that the contact time of oxygen and water is short in the process of aeration of the existing aeration tank, and the decomposition efficiency of microorganism is reduced due to the small amount of bubbles in water.

[0005] To achieve the above object, the utility model provides the following technical scheme: including aeration tank body, inlet pipe and outlet pipe, the inlet pipe is fixedly connected in the left side of aeration tank body, the outlet pipe is fixedly connected in the right side of aeration tank body, the two sides of the inner wall bottom of aeration tank body are all fixedly connected with lug, the inner wall of lug is fixedly connected with conveying pipe, the front side and rear side of the top of conveying pipe are all fixedly connected with support pipe, the surface of support pipe is fixedly connected with aeration mechanism.

[0006] As preferred in the utility model, the aeration mechanism includes branch pipe, the branch pipe is installed on the surface of support pipe, the branch pipe is provided with several, and several branch pipes are equidistant distribution, the top of branch pipe is installed with aerator, the aerator is provided with several, and several aerators are equidistant distribution, the top of lug is installed with support frame, and the surface of support pipe is contacted on one side of support frame.

[0007] As preferred in the utility model, the two sides of the top of aeration tank body inner wall are all provided with roller, the roller is provided with several, and several rollers are equidistant distribution, the surface of roller is fixedly connected with arc plate.

[0008] As preferred in the utility model, recess is set up on the surface of arc plate.

[0009] As the utility model is preferred, the rear side of the aeration tank body is provided with motor one, and the output end of the motor one is fixedly connected with the rear side of the roller.

[0010] As the utility model is preferred, the bottom of the aeration tank body is provided with motor two, the motor two is provided with a plurality of, and the plurality of motor two is equidistantly distributed.

[0011] As the utility model is preferred, the output end of the motor two is provided with a fan blade.

[0012] As the utility model is preferred, the top of the inner wall of the aeration tank body is provided with a fixing rod, and the bottom of the fixing rod is fixedly connected with a dissolved oxygen measuring instrument on both sides.

[0013] Compared with the prior art, the utility model has the advantages as follows:

[0014] 1、 the utility model discloses a water inlet pipe is set up, water is transported to the aeration tank body through the water inlet pipe, the aeration mechanism sprays gas, the gas becomes small bubbles, and the oxygen dissolution in water is accelerated to promote the decomposition of organic matter of microorganism, the problem that the contact time of oxygen and water is short in the process of aeration of the prior aeration tank is solved, and the decomposition efficiency is improved.

[0015] 2、 the utility model discloses a aeration mechanism is set up, the gas is transported to the aerator through the branch pipe, then the aeration head of the aerator has many small pores, can make air form small bubbles, increase the contact area of oxygen and sewage, improve the transmission efficiency of oxygen, the bubble diameter is generally about mm, and the rising speed in water is slow, and the residence time is long, so that the oxygen can be fully dissolved in sewage, and the microorganism carries out the respiratory action, and more oxygen is dissolved in water through multiple aerators to accelerate the decomposition of organic matter.

[0016] 3、 the utility model discloses a roller and arc plate are set up, and the water flows to the surrounding through the rotation of the arc plate driven by the roller, and the residence time of air in water is improved. DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the main view cross section structure schematic diagram of the utility model;

[0019] Figure 3 It is the utility model Figure 2 The enlarged structure schematic diagram of A place in the utility model.

[0020] In the diagram: 1. Aeration tank body; 2. Inlet pipe; 3. Outlet pipe; 4. Protrusion; 5. Conveying pipe; 6. Support pipe; 7. Aeration mechanism; 71. Branch pipe; 72. Aerator; 73. Support frame; 8. Roller; 9. Arc plate; 10. Groove; 11. Motor 1; 12. Motor 2; 13. Fan blade; 14. Fixing rod; 15. Dissolved oxygen meter. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1 to 3 As shown, the present invention includes an aeration tank body 1, an inlet pipe 2, and an outlet pipe 3. The inlet pipe 2 is fixedly connected to the left side of the aeration tank body 1, and the outlet pipe 3 is fixedly connected to the right side of the aeration tank body 1. Both sides of the bottom of the inner wall of the aeration tank body 1 are fixedly connected to protrusions 4. The inner wall of the protrusions 4 is fixedly connected to a conveying pipe 5. The front and rear sides of the top of the conveying pipe 5 are fixedly connected to a support pipe 6. The surface of the support pipe 6 is fixedly connected to an aeration mechanism 7.

[0023] refer to Figure 2 The aeration mechanism 7 includes branch pipes 71, which are installed on the surface of the support pipe 6. Several branch pipes 71 are provided and are distributed at equal distances. Aerators 72 are installed on the top of the branch pipes 71. Several aerators 72 are provided and are distributed at equal distances. A support frame 73 is installed on the top of the protrusion 4. One side of the support frame 73 is in contact with the surface of the support pipe 6.

[0024] As a technical optimization of this utility model, by setting up an aeration mechanism 7, gas is transported to the aerator 72 through a branch pipe 71. The aeration head of the aerator 72 has many tiny pores, which can make air form microbubbles, increase the contact area between oxygen and sewage, and improve the oxygen transfer efficiency. The bubble diameter is generally about 1-3mm. It rises slowly in the water and stays for a long time, so that oxygen can be fully dissolved into the sewage for microorganisms to carry out respiration. Multiple aerators 72 provide more oxygen to dissolve in the water to accelerate the decomposition of organic matter.

[0025] refer to Figure 2 Rollers 8 are provided on both sides of the top of the inner wall of the aeration tank body 1. There are several rollers 8, and the rollers 8 are distributed at equal distances. An arc plate 9 is fixedly connected to the surface of the rollers 8.

[0026] As a technical optimization scheme of the utility model, through setting up roller 8 and arc plate 9, through roller 8 drive arc plate 9 rotation makes water flow to the surrounding, improve the residence time of air in water.

[0027] Reference Figure 3 The surface of arc plate 9 is provided with groove 10.

[0028] As a technical optimization scheme of the utility model, through setting up groove 10, groove 10 is rotated in arc plate 9 through groove 10 and is thrown out, promote the flow of water.

[0029] Reference Figure 2 The rear side of aeration tank body 1 is provided with motor one 11, and the output end of motor one 11 is fixedly connected with the rear side of roller 8.

[0030] As a technical optimization scheme of the utility model, through setting up motor one 11, motor one 11 can drive roller 8 to rotate.

[0031] Reference Figure 2 The bottom of aeration tank body 1 is provided with motor two 12, motor two 12 is provided with several, and the several motor two 12 are equidistantly distributed.

[0032] As a technical optimization scheme of the utility model, through setting up motor two 12, motor two 12 can drive fan blade 13 to rotate.

[0033] Reference Figure 2 The output end of motor two 12 is provided with fan blade 13.

[0034] As a technical optimization scheme of the utility model, through setting up fan blade 13, fan blade 13 rotation can output the water at the bottom upwards, avoid the mud to precipitate downwards.

[0035] Reference Figure 2 The top of the inner wall of aeration tank body 1 is provided with fixed rod 14, and the bottom of fixed rod 14 is fixedly connected with dissolved oxygen determinator 15 on both sides.

[0036] As a technical optimization scheme of the utility model, through setting up fixed rod 14 and dissolved oxygen determinator 15, dissolved oxygen determinator 15 is used for real-time monitoring the dissolved oxygen content of sewage in aeration tank body 1, can convert the concentration of dissolved oxygen in water into electrical signal, then through instrument display, through dissolved oxygen determinator 15, can understand in time whether the oxygen is sufficient in the process of microbial decomposition, thereby reasonably adjust the operation parameter of aeration equipment, generally requires that the dissolved oxygen concentration in aeration tank body 1 is kept at about 2-4mg / L, to meet the metabolic demand of microorganism.

[0037] The working principle and use process of the utility model: in use, gas is delivered into aerator 72 through branch pipe 71, then the aeration head of aerator 72 has many tiny pores, can make air form tiny bubbles, increase the contact area of oxygen and sewage, improve the transmission efficiency of oxygen, the bubble diameter is generally about 1-3mm, the rising speed in water is slow, the residence time is long, so that oxygen can be fully dissolved into sewage, for the respiratory action of microorganism, more oxygen is dissolved into water through multiple aerators 72 to speed up the decomposition of organic matter, the rotation of roller 8 drives arc plate 9 to rotate, so that water flows around, improve the residence time of air in water, when arc plate 9 rotates, water is thrown out through groove 10, promote the flow of water, motor one 11 can drive roller 8 to rotate, motor two 12 can drive fan blade 13 to rotate, the rotation of fan blade 13 can output the water at the bottom upwards, avoid the sedimentation of mud downwards, dissolved oxygen tester 15 is used for real-time monitoring the dissolved oxygen content of sewage in aeration tank body 1, can convert the concentration of dissolved oxygen in water into an electric signal, then display through the instrument, through dissolved oxygen tester 15, whether the oxygen is sufficient in the microbial decomposition process can be known in time, so that the operation parameters of aeration equipment are reasonably adjusted, generally, the dissolved oxygen concentration in aeration tank body 1 is required to be kept at about 2-4mg / L, to meet the metabolic demand of microorganism.

[0038] In conclusion: the aeration tank for microbial decomposition in sewage, through the setting of inlet pipe 2, water is delivered into aeration tank body 1 through inlet pipe 2, gas is sprayed out by aeration mechanism 7, gas becomes tiny bubbles, oxygen is dissolved into water to promote microbial decomposition of organic matter, solve the problem that the contact time of oxygen and water is short in the process of aeration of the existing aeration tank, and the bubbles in water are less, which reduces the decomposition efficiency of microorganism.

[0039] It should be noted that, in this text, relational terms such as first and second and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover non-exclusive inclusions, so that a process, method, article, or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article, or equipment.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An aeration tank for microbial decomposition in sewage, comprising an aeration tank body (1), a water inlet pipe (2) and a water outlet pipe (3), characterized in that: The water inlet pipe (2) is fixedly connected to the left side of the aeration tank body (1), the water outlet pipe (3) is fixedly connected to the right side of the aeration tank body (1), the protrusions (4) are fixedly connected to the inner wall of the bottom of the aeration tank body (1), the inner wall of the protrusion (4) is fixedly connected with the conveying pipe (5), the front side and the rear side of the top of the conveying pipe (5) are fixedly connected with the support pipe (6), and the surface of the support pipe (6) is fixedly connected with the aeration mechanism (7).

2. The aeration tank for microbial decomposition in sewage according to claim 1, characterized in that: The aeration mechanism (7) comprises a branch pipe (71), the branch pipe (71) is installed on the surface of the support pipe (6), a plurality of branch pipes (71) are arranged, and the plurality of branch pipes (71) are arranged at equal distances, the top of the branch pipe (71) is provided with an aerator (72), a plurality of aerators (72) are arranged, and the plurality of aerators (72) are arranged at equal distances, the top of the protrusion (4) is provided with a support frame (73), and one side of the support frame (73) is in contact with the surface of the support pipe (6).

3. The aeration tank for microbial decomposition in sewage according to claim 1, characterized in that: The aeration tank body (1) is provided with a plurality of roller cylinders (8) on the top of the inner wall, the plurality of roller cylinders (8) are arranged at equal distances, and the surface of the roller cylinder (8) is fixedly connected with an arc-shaped plate (9).

4. The aeration tank for microbial decomposition in sewage according to claim 3, characterized in that: The surface of the arc-shaped plate (9) is provided with a groove (10).

5. The aeration tank for microbial decomposition in sewage according to claim 1, characterized in that: The rear side of the aeration tank body (1) is provided with a motor (11), and the output end of the motor (11) is fixedly connected with the rear side of the roller cylinder (8).

6. The aeration tank for microbial decomposition in sewage according to claim 1, characterized in that: The bottom of the aeration tank body (1) is provided with a plurality of motors (12), and the plurality of motors (12) are arranged at equal distances.

7. An aeration tank for microbial decomposition of sewage water according to claim 6, characterized in that: The output end of the motor (12) is provided with a fan blade (13).

8. The aeration tank for microbial decomposition in sewage according to claim 1, characterized in that: The top of the inner wall of the aeration tank body (1) is provided with a fixed rod (14), and the bottom of the fixed rod (14) is fixedly connected with a dissolved oxygen measuring instrument (15).

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