CN214060274U - High-efficient sewage treatment biochemical system - Google Patents

Abstract

The utility model relates to a sewage treatment system technical field provides a high-efficient sewage treatment biochemical system, including the hydrolysis-acidification pond that communicates in proper order, inside is equipped with activated sludge's anaerobism pond, good oxygen pond and sedimentation tank, be equipped with a plurality of aeration chamber in the good oxygen pond, good oxygen pond outside is equipped with aeration fan, aeration fan intercommunication has a plurality of aeration branch pipes, aeration branch pipe quantity equals aeration chamber quantity, all stretch into in every aeration chamber has an aeration branch pipe, aeration branch pipe stretches into the part of aeration chamber and is equipped with a plurality of bleeder, every bleeder mouth of pipe all is equipped with the aeration head, the intercommunication mouth diagonal angle of adjacent aeration chamber sets up, the interior route of aeration chamber is snakelike zigzag. Through the technical scheme, the problem that the aeration in the prior art is not uniform and comprehensive is solved.

Description

High-efficient sewage treatment biochemical system

Technical Field

The utility model relates to a sewage treatment system technical field, it is specific, relate to a high-efficient sewage treatment biochemical system.

Background

In recent years, with the continuous promotion of the water pollution topic, the sewage treatment industry has received unprecedented attention, wherein the biochemical treatment is one kind of sewage treatment, the purpose of which is to remove non-settleable suspended matters and soluble biodegradable organic matters. The biochemical treatment mode generally comprises hydrolytic acidification, anaerobic treatment, aerobic treatment, sedimentation clarification and the like, and during the aerobic treatment, the contact area of water and air can be increased by adopting an aeration mode, so that enough dissolved oxygen can be obtained in the sewage.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-efficient sewage treatment biochemical system has solved aeration treatment's among the correlation technique aeration uneven enough, comprehensive problem.

The technical scheme of the utility model as follows: the utility model provides a high-efficient sewage treatment biochemical system, is including the hydrolysis-acidification pond, the inside anaerobism pond, good oxygen pond and the sedimentation tank that are equipped with activated sludge that communicate in proper order, be equipped with a plurality of aeration chamber in the good oxygen pond, good oxygen pond outside is equipped with aeration fan, aeration fan intercommunication has a plurality of aeration branch pipes, aeration branch pipe quantity equals aeration chamber quantity, all stretched into in every aeration chamber one aeration branch pipe, aeration branch pipe stretches into the part of aeration chamber is equipped with a plurality of bleeder, every the bleeder mouth of pipe all is equipped with the aeration head, and is adjacent the intercommunication mouth diagonal angle of aeration chamber sets up, the passageway in the aeration chamber is snakelike zigzag.

As a further technical scheme, a plurality of stirring chambers are arranged in the anaerobic tank, a stirrer is arranged at the vertex angle of each stirring chamber, the communication ports of the adjacent stirring chambers are arranged diagonally, and the passage in the anaerobic tank is in a snake-shaped zigzag shape.

As a further technical scheme, a first submersible sewage pump is arranged at an outlet of the anaerobic tank.

As a further technical scheme, a second submersible sewage pump and a grid are sequentially arranged at the communication port of the hydrolysis acidification tank and the anaerobic tank.

As a further technical scheme, the inner diameters of the inlets of the first submersible sewage pump and the second submersible sewage pump are gradually reduced.

As a further technical scheme, two aeration heads are arranged at the pipe orifices of the branch pipes along opposite directions.

As a further technical scheme, two sedimentation tanks are sequentially communicated.

The utility model discloses a theory of operation does: a high-efficiency sewage treatment biochemical system comprises a hydrolysis acidification tank, an anaerobic tank, an aerobic tank and a sedimentation tank which are sequentially communicated, wherein activated sludge is arranged in the anaerobic tank, the hydrolysis acidification tank carries out pretreatment on sewage, the pretreatment is an early stage of anaerobic treatment, and the purpose is to control the anaerobic treatment under the condition of containing a large amount of hydrolysis bacteria and acidification bacteria, hydrolyze insoluble organic matters in water into soluble organic matters by using the hydrolysis bacteria and the acidification bacteria, and convert macromolecular substances which are difficult to biodegrade into small molecular substances which are easy to biodegrade, so that the biodegradability of the sewage is improved; after the sewage is subjected to hydrolytic acidification treatment, the sewage enters an anaerobic tank, activated sludge is arranged in the anaerobic tank, anaerobic bacteria in the activated sludge are utilized to convert macromolecular organic matters which are difficult to degrade in the sewage into low molecular substances, 8 stirring chambers are arranged in the anaerobic tank, a stirrer is arranged at the vertex angle of each stirring chamber, when the sewage is treated, the stirrer continuously stirs the sewage to prevent sludge from settling and generate blockage, meanwhile, the sewage is fully mixed with the activated sludge in the anaerobic tank, the sewage treatment effect of the anaerobic tank is improved, the communication ports of the adjacent stirring chambers are arranged diagonally, so that a passage in the anaerobic tank is in a snake-shaped zigzag shape, and the sewage can be more fully subjected to anaerobic treatment in the anaerobic tank; sewage after anaerobic treatment flows into an aerobic tank, the aerobic tank leads activated sludge to carry out aerobic respiration through aeration measures, and further decomposes organic matters which are difficult to degrade into inorganic matters, four aeration chambers are arranged in the aerobic tank, an aeration fan is arranged outside the aerobic tank, the output end of the fan is communicated with four aeration branch pipes, the number of the aeration branch pipes is equal to that of the aeration chambers, each aeration chamber is internally provided with one aeration branch pipe, the part of each aeration branch pipe, which extends into the aeration chamber, is provided with a plurality of branch pipes, the pipe orifice of each branch pipe is provided with two aeration heads, the aeration effects are more uniform and comprehensive, the communication ports of adjacent aeration chambers are arranged diagonally, the passages in the aeration chambers are in a snake-shaped zigzag shape, and the sewage can be more fully treated in the aerobic tank; the sewage after aerobic treatment flows into a sedimentation tank, sludge can be settled to the bottom due to self weight in the sedimentation tank, clear water can float on the top, two sedimentation tanks are adopted for achieving better clarification effect, the water overflowing from one sedimentation tank can enter the other sedimentation tank again, and the sedimentation clarification process is repeated once; the connecting opening of the hydrolysis acidification tank and the anaerobic tank is provided with a grid for filtering large-particle garbage and preventing blockage and pollution.

The utility model has the advantages that: through two aeration heads that set up along opposite direction on the lateral pipe mouth of pipe, make the aeration effect more even, comprehensive, the intercommunication mouth diagonal angle of adjacent aeration chamber sets up for passageway in the aeration chamber is snakelike zigzag form, lets sewage can be more abundant carry out aeration treatment in good oxygen pond.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the working line of the biochemical system of the present invention;

in the figure:

1. the system comprises a hydrolysis acidification tank, 2, an anaerobic tank, 3, an aerobic tank, 4, a sedimentation tank, 5, an aeration chamber, 6, an aeration fan, 7, an aeration branch pipe, 8, a branch pipe, 9, an aeration head, 10, a stirring chamber, 11, a stirrer, 12, a first submersible sewage pump, 13, a second submersible sewage pump, 14 and a grid.

Detailed Description

The utility model provides a high-efficient sewage treatment biochemical system, is including hydrolysis-acidification tank 1, the inside anaerobism pond 2, the good oxygen pond 3 and the sedimentation tank 4 that are equipped with activated sludge that communicate in proper order, be equipped with a plurality of aeration chamber 5 in the good oxygen pond 3, good oxygen pond 3 outside is equipped with aeration fan 6, aeration fan 6 intercommunication has a plurality of aeration branch pipe 7, aeration branch pipe 7 quantity equals aeration chamber 5 quantity, all stretch into in every aeration chamber 5 one aeration branch pipe 7, aeration branch pipe 7 stretches into the part of aeration chamber 5 is equipped with a plurality of bleeder 8, every 8 mouths of pipe all are equipped with aeration head 9, and is adjacent aeration chamber 5's intercommunication mouth diagonal angle sets up, the passageway in the aeration chamber 5 is snakelike zigzag.

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.

As shown in fig. 1, the present embodiment provides a high-efficiency biochemical sewage treatment system, which includes a hydrolysis acidification tank 1, an anaerobic tank 2 with activated sludge inside, an aerobic tank 3, and a sedimentation tank 4, which are sequentially communicated, wherein a plurality of aeration chambers 5 are provided in the aerobic tank 3, an aeration fan 6 is provided outside the aerobic tank 3, the aeration fan 6 is communicated with a plurality of aeration branch pipes 7, the number of the aeration branch pipes 7 is equal to the number of the aeration chambers 5, one aeration branch pipe 7 extends into each aeration chamber 5, a plurality of branch pipes 8 are provided at portions of the aeration branch pipes 7 extending into the aeration chambers 5, each branch pipe 8 is provided with an aeration head 9 at a pipe orifice, a communication port adjacent to each aeration chamber 5 is diagonally provided, and a passage in each aeration chamber 5 is in a serpentine shape.

In the embodiment, the high-efficiency sewage treatment biochemical system comprises a hydrolysis acidification tank 1, an anaerobic tank 2, an aerobic tank 3 and a sedimentation tank 4 which are sequentially communicated, wherein activated sludge is arranged in the anaerobic tank, the hydrolysis acidification tank 1 is used for pretreating sewage, and is the early stage of anaerobic treatment, so that the anaerobic treatment is controlled under the condition containing a large amount of hydrolysis bacteria and acidification bacteria, the hydrolysis bacteria and the acidification bacteria are used for hydrolyzing insoluble organic matters in water into soluble organic matters, and macromolecular substances which are difficult to biodegrade are converted into small molecular substances which are easy to biodegrade, so that the biodegradability of the sewage is improved; the sewage through anaerobic treatment flows into the aerobic tank 3, the aerobic tank 3 allows the activated sludge to perform aerobic respiration through aeration measures, organic matters which are difficult to degrade are decomposed into inorganic matters, four aeration chambers 5 are arranged in the aerobic tank 3, an aeration fan 6 is arranged outside the aerobic tank 3, the output end of the fan is communicated with four aeration branch pipes 7, the number of the aeration branch pipes 7 is equal to that of the aeration chambers 5, one aeration branch pipe 7 is extended into each aeration chamber 5, a plurality of branch pipes 8 are arranged at the part, extending into the aeration chambers 5, of each branch pipe 7, an aeration head 9 is arranged at the pipe orifice of each branch pipe 8, the opposite angles of communication ports of the adjacent aeration chambers 5 are arranged, the passage in each aeration chamber 5 is in a snake-shaped zigzag shape, and the sewage can be more fully subjected to aerobic treatment in the aerobic tank 3.

As shown in fig. 1, further, it also includes,

a plurality of stirring chambers 10 are arranged in the anaerobic tank 2, a stirrer 11 is arranged at the vertex angle of each stirring chamber 10, the communication ports of the adjacent stirring chambers 10 are arranged diagonally, and the passage in the anaerobic tank 2 is in a snake-shaped zigzag shape.

In this embodiment, sewage is after hydrolysis acidification handles, get into anaerobism pond 2, there is activated sludge in the anaerobism pond 2, utilize the anaerobism in the activated sludge, the macromolecular organic matter that is difficult to degrade in the sewage converts low molecular substance into, be equipped with 8 teeter chambers 10 in anaerobism pond 2, the apex angle department of every teeter chamber 10 all is provided with agitator 11, when carrying out sewage treatment, agitator 11 constantly stirs sewage, prevent sludge sedimentation, blocking phenomenon appears, make sewage and the activated sludge intensive mixing in the anaerobism pond 2 simultaneously, improve the sewage treatment effect in anaerobism pond 2, the intercommunication mouth diagonal angle of adjacent teeter chamber 10 sets up, make the passageway in the anaerobism pond 2 be snakelike zigzag, can let sewage carry out more abundant anaerobic treatment that carries on in anaerobism pond 2.

As shown in fig. 1, further, it also includes,

and a first submersible sewage pump 12 is arranged at the outlet of the anaerobic tank 2.

In this embodiment, a first submersible sewage pump 12 is disposed at the outlet of the anaerobic tank 2 for controlling the flow rate at the outlet.

As shown in fig. 1, further, it also includes,

and a second submersible sewage pump 13 and a grid 14 are sequentially arranged at the communication port of the hydrolysis acidification tank 1 and the anaerobic tank 2.

In this embodiment, a second submersible sewage pump 13 and a grid 14 are sequentially arranged at the communication port of the hydrolysis acidification tank 1 and the anaerobic tank 2, the second submersible sewage pump 13 is used for controlling the flow at the communication port, and the grid 14 is used for filtering large-particle garbage to prevent blockage and pollution.

As shown in fig. 1, further, it also includes,

the inlet inner diameters of the first submersible sewage pump 12 and the second submersible sewage pump 13 are gradually reduced.

In this embodiment, the inlet inner diameters of the first submersible sewage pump 12 and the second submersible sewage pump 13 are gradually reduced, so as to reduce the working difficulty of the submersible sewage pumps.

As shown in fig. 1, further, it also includes,

two aeration heads 9 are arranged at the pipe openings of the branch pipes 8 in opposite directions.

In this embodiment, the pipe orifice of each branch pipe 8 is provided with two aeration heads 9 which are arranged along opposite directions, so that the aeration effect is more uniform and comprehensive.

As shown in fig. 1, further, it also includes,

two sedimentation tanks 4 are sequentially communicated.

In this embodiment, the sewage through aerobic treatment flows into the sedimentation tank 4, and in the sedimentation tank 4, mud can be because of the dead weight deposits to the bottom, and the clear water then can float at the top, for reaching better clarification effect, adopts two sedimentation tanks 4, and the excessive water that flows out of a sedimentation tank 4 can get into another sedimentation tank 4 again, repeats once and deposits the clarification process.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A high-efficiency sewage treatment biochemical system, which comprises a hydrolysis acidification tank (1), an anaerobic tank (2) with activated sludge arranged inside, an aerobic tank (3) and a sedimentation tank (4) which are communicated in sequence, it is characterized in that a plurality of aeration chambers (5) are arranged in the aerobic tank (3), an aeration fan (6) is arranged outside the aerobic tank (3), the aeration fan (6) is communicated with a plurality of aeration branch pipes (7), the number of the aeration branch pipes (7) is equal to that of the aeration chambers (5), one aeration branch pipe (7) extends into each aeration chamber (5), the part of the aeration branch pipe (7) extending into the aeration chamber (5) is provided with a plurality of branch pipes (8), the pipe orifice of each branch pipe (8) is provided with an aeration head (9), the communication port of the adjacent aeration chamber (5) is arranged diagonally, and the passage in the aeration chamber (5) is zigzag.

2. The biochemical system for high-efficiency sewage treatment according to claim 1, wherein a plurality of stirring chambers (10) are arranged in the anaerobic tank (2), a stirrer (11) is arranged at the top corner of each stirring chamber (10), the communication ports of the adjacent stirring chambers (10) are arranged diagonally, and the passage in the anaerobic tank (2) is zigzag.

3. The biochemical system for high-efficiency sewage treatment according to claim 1, wherein the outlet of the anaerobic tank (2) is provided with a first submersible sewage pump (12).

4. The biochemical system for high-efficiency sewage treatment according to claim 3, wherein a second submersible sewage pump (13) and a grid (14) are sequentially arranged at the communication port of the hydrolysis acidification tank (1) and the anaerobic tank (2).

5. The biochemical system for high-efficiency sewage treatment according to claim 4, wherein the inlet inner diameters of the first submersible sewage pump (12) and the second submersible sewage pump (13) are gradually reduced.

6. The biochemical system for high-efficiency sewage treatment according to claim 1, wherein two aeration heads (9) are provided at the openings of the branched pipes (8) in opposite directions.

7. The biochemical system for high-efficiency sewage treatment according to claim 1, wherein two sedimentation tanks (4) are sequentially communicated with each other.

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