CN214734817U - Improved process treatment device for inverted A2O process - Google Patents
Improved process treatment device for inverted A2O process Download PDFInfo
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- CN214734817U CN214734817U CN202023115005.9U CN202023115005U CN214734817U CN 214734817 U CN214734817 U CN 214734817U CN 202023115005 U CN202023115005 U CN 202023115005U CN 214734817 U CN214734817 U CN 214734817U
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Abstract
The utility model provides a re-improvement process treatment device of an inverted A2O process, which comprises a water treatment tank, a secondary sedimentation tank, a water pipe, a partition board, a constant pressure air valve and an aeration device, 3 partition boards are arranged in the water treatment tank and divide the interior of the water treatment tank into a pre-denitrification chamber, an anoxic chamber, an anaerobic chamber and an aerobic chamber in a transverse direction, and bacterial culture media are arranged in the four chambers, the partition board is provided with water holes, the secondary sedimentation tank is provided with a water inlet, a water outlet and a sludge return hole, the aerobic chamber is provided with a nitrifying liquid backflow hole, the pre-denitrification chamber is provided with a raw water port, a sludge backflow hole, a nitrifying liquid backflow hole and a sludge backflow hole of the pre-denitrification chamber and a nitrifying liquid backflow hole of the pre-denitrification chamber are respectively communicated with a sludge backflow hole of the secondary sedimentation tank and a nitrifying liquid backflow hole of the aerobic chamber through pipelines, a suspended type three-dimensional biological filler is arranged in the aerobic chamber, and an aeration device is arranged at the bottom of the suspended type three-dimensional biological filler. This practical area is little, purification efficiency and purification quality are high and require lowly to management operation personnel skill.
Description
Technical Field
The patent of the utility model relates to a sewage treatment technology field specifically is an invert A2The improved process treatment device of the O process.
Background
With the development of economy, the process of urbanization is continuously accelerated in recent years, the harm brought by environmental pollution is increasingly shown, the national treatment on the environmental pollution is highly emphasized, and particularly the comprehensive treatment of rural environment is widely concerned by governments and people. Under the new situation that the problem of water environment pollution is increasingly prominent, strengthening rural sewage treatment has important significance for solving the problems of water resource shortage, serious water pollution and the like faced by China at present. However, domestic and production sewage generated in rural areas has the characteristics of dispersion, difficulty in collection of pipe networks, unstable water amount and the like, so that the sewage is not suitable for centralized treatment by adopting a traditional sewage treatment plant.
At present, integrated sewage treatment equipment aiming at sewage dispersion, difficult collection of a pipe network and unstable water quantity is also provided in the market. However, the existing inversion A2The O process sewage treatment equipment generally has the problem of insufficient oxygen content of liquid in an aerobic pool body, so that aerobic microorganisms in the aerobic pool can not better play the role of the aerobic microorganisms; the dissolved oxygen content in the anaerobic tank and the anoxic tank in the equipment can not be effectively controlled, so that the removal efficiency of pollutants is lower, and the problem that the nitrogen and the phosphorus in the effluent do not reach the standard generally exists.
SUMMERY OF THE UTILITY MODEL
To the deficiency existing in the prior art, the utility model provides an invert A2The improved process treatment device of the O process has small occupied area and low construction cost, and not only effectively solves the problem of inversion A2The oxygen content of the liquid in the aerobic pool body of the O process sewage treatment equipment is insufficientAnd the problem of difficult control of dissolved oxygen content by anaerobic hypoxia, high purification efficiency and quality, and low requirement on professional skills of operation managers.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
a re-improvement process treatment device for an inverted A2O process comprises a water treatment tank, a secondary sedimentation tank, a pipeline, a bacterial culture medium, an aeration device, a sludge pump, a nitrification pump, a raw water pump, a constant-pressure air valve, a suspension type three-dimensional biological filler and a driving circuit, wherein the water treatment tank is of a closed cavity structure, 3 partition boards are arranged inside the water treatment tank, the 3 partition boards transversely divide the inner space of the water treatment tank into 4 cavities with equal spaces, namely a pre-denitrification chamber, an anoxic chamber, an anaerobic chamber and an aerobic chamber in sequence, water holes are formed in the partition boards, the tops of the pre-denitrification chamber, the anoxic chamber, the anaerobic chamber and the aerobic chamber are provided with the constant-pressure air valve and a feeding port, the bottoms of the pre-denitrification chamber, the anoxic chamber, the anaerobic chamber and the aerobic chamber are provided with sewage discharge ports, the bacteria culture medium is arranged inside the pre-denitrification chamber, the anoxic chamber, the anaerobic chamber and the aerobic chamber, the suspension type three-dimensional biological filler is fed into the aerobic chamber, the side wall of the pre-denitrification chamber is sequentially provided with a raw water port, a nitrifying liquid return hole, a sludge return hole, a raw water port, a nitrifying liquid return hole and a sludge return hole from top to bottom, the raw water pump, a nitrifying liquid pump and a sludge pump are respectively arranged at the bottom of the aerobic chamber, an aeration hole is arranged at the bottom of the aerobic chamber, a nitrifying liquid return hole is arranged at the side wall of the aerobic chamber, a sludge return hole is arranged at the side wall of the aerobic chamber, a nitrifying liquid return hole is arranged at the side wall of the secondary sedimentation tank, a sludge return hole is arranged at the side wall of the secondary sedimentation tank, the side wall of the secondary sedimentation tank is provided with a sewage discharge outlet, a water inlet, a water outlet and an aeration hole of the aerobic chamber are communicated with an air blower, a driving circuit, a constant-pressure air valve, a raw water pump, a sludge pump, a nitrifying liquid pump and a blower are electrically connected with the driving circuit are embedded on the outer surface of the water treatment tank, and the bacteria culture medium comprises a substrate, a base frame, a sludge return hole and a sludge return hole are arranged on the side wall is arranged on the side wall of the aerobic chamber, and a sludge pump are arranged on the side wall of the aerobic chamber, and a sludge pump is arranged on the side wall of the aerobic chamber, a sludge pump, and a sludge pump, a sludge pump is arranged on the side wall of the aerobic chamber, and a sewage treatment tank is arranged on the side wall of the aerobic chamber is arranged on the side wall of the denitrification chamber, and a sewage treatment tank is arranged on the side wall of the denitrification chamber is arranged on the side wall of the denitrification chamber, and a sewage treatment tank is arranged on the side wall of the side wall, Heating pipe, support, mount, oxygen content monitor, PH value monitor, temperature monitor, the bed frame is round platform shape frame construction and inside packing has the matrix, the bed frame surface is equipped with oxygen content monitor, PH value monitor, temperature monitor, the bed frame outside encircles there is heating pipe and heating pipe to pass through mount and bed frame outer wall connection, bed frame bottom equipartition support, the support bottom is connected with the inboard bottom of water treatment tank, oxygen content monitor, PH value monitor, temperature monitor, heating pipe all with drive circuit electric connection.
Preferably, the water hole on the partition plate between the pre-denitrification chamber and the anoxic chamber and the water hole on the partition plate between the anaerobic chamber and the aerobic chamber are respectively positioned at the position where the lower end of the partition plate is higher than the bacterial culture medium, and the water hole on the partition plate between the anoxic chamber and the anaerobic chamber is positioned at the upper side of the partition plate.
Preferably, the sewage outlet on the secondary sedimentation tank is positioned on the side surface of the top of the secondary sedimentation tank, the water outlet on the secondary sedimentation tank is positioned on the lower side of the sewage outlet, and the water inlet of the secondary sedimentation tank is positioned on the lower side of the water outlet.
Preferably, the number of the fixing frames is at least 2, one end of each fixing support is of an annular structure, the other end of each fixing support is a positioning block with positioning holes uniformly distributed, one end of each fixing frame annular structure is connected with the heating pipe, the inner wall of each annular structure is connected with the outer wall of the heating pipe, and one end of each fixing frame with the positioning block is connected with the outer wall of the base frame through a screw.
Preferably, the bottoms of the water treatment tank and the secondary sedimentation tank are provided with supporting columns.
Preferably, the input end of the raw water pump is communicated with the raw water pool through a water pipe.
Preferably, the outer surface of the water treatment tank is provided with a display screen and a heating pipe switch, and the display screen and the heating pipe switch are electrically connected with the driving circuit.
The utility model provides an inversion A2The improved process treatment device of the O process has small occupied area and low construction cost, and not only effectively solves the problem of inversion A2The O process sewage treatment equipment has the problems of insufficient liquid oxygen content in the aerobic pool body and difficult dissolved oxygen content control due to anaerobic hypoxia, and has high purification efficiency and quality and low requirement on professional skills of operation managers.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of a bacterial culture medium;
FIG. 3 is a top view of a bacterial culture.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
A re-improvement process treatment device for an inverted A2O process comprises a water treatment tank 1, a secondary sedimentation tank 2, a pipeline 3, a bacterial culture medium 4, an aeration device 5, a sludge pump 6, a nitrification liquid pump 7, a raw water pump 8, a constant pressure air valve 9, a suspension type three-dimensional biological filler 10 and a driving circuit, wherein the water treatment tank 1 is of a closed cavity structure and is internally provided with 3 partition boards 11, the internal space of the water treatment tank 1 is transversely and sequentially divided into four chambers of a pre-denitrification chamber 12, an anoxic chamber 13, an anaerobic chamber 14 and an aerobic chamber 15 by the 3 partition boards 11, the partition boards are provided with water holes 16, the tops of the pre-denitrification chamber 12, the anoxic chamber 13, the anaerobic chamber 14 and the aerobic chamber 15 are provided with the constant pressure air valve 9 and a feeding port 17, the bottoms of the pre-denitrification chamber 12, the anoxic chamber 13, the anaerobic chamber 14 and the aerobic chamber 15 are provided with a sewage discharge port 18, and the pre-denitrification chamber 12, the anoxic chamber 13 and the anaerobic chamber 13 are provided with a sewage port 13, Bacterial culture medium 4 is arranged in the anaerobic chamber 14 and the aerobic chamber 15, suspended type three-dimensional biological filler 10 is thrown in the aerobic chamber 15, a raw water port 121, a nitrifying liquid return hole 122, a sludge return hole 123, a raw water port 121, a nitrifying liquid return hole 122 and a sludge return hole 123 are sequentially arranged on the side wall of the pre-denitrification chamber 12 from top to bottom, a raw water pump 8, a nitrifying liquid pump 7 and a sludge pump 6 are respectively arranged at the positions of the raw water port 121, the nitrifying liquid return hole 122 and the nitrifying liquid return hole 151 on the side wall of the aerobic chamber 15, a sewage drain 201, a water inlet 203, a water outlet 202 and a sludge return hole 204 on the side wall of the secondary sedimentation tank are respectively communicated with the input ends of the nitrifying liquid pump 7 and the sludge pump 6 through pipelines 3, the output end of the aeration device 5 is communicated with the aeration hole of the aerobic chamber 15, and the input end is communicated with the air blower 19, the outer surface of the water treatment box 1 is embedded with a driving circuit, and a constant pressure air valve 9, a raw water pump 8, a sludge pump 6, a nitrification pump 7 and a blower 19 are electrically connected with the driving circuit, the bacteria culture medium 4 comprises a substrate 401, a base frame 402, a heating pipe 403, a bracket 405, a fixing frame 404, an oxygen content monitor 406, a pH value monitor 407 and a temperature monitor 408, the base frame 402 is a truncated cone-shaped frame structure, the base material 401 is filled in the base frame 402, the oxygen content monitor 406, the pH value monitor 407 and the temperature monitor 408 are arranged on the outer surface of the base frame 402, a heating pipe 403 is arranged around the base frame 402 and the heating pipe 403 is connected to the outer wall of the base frame 402 via a fixing frame 404, the bottom of the base frame 402 is evenly distributed with brackets 405, the bottom end of the brackets 405 is connected with the bottom of the inner side of the water treatment tank 1, the oxygen content monitor 406, the PH monitor 407, the temperature monitor 408, and the heating pipe 403 are all electrically connected to the driving circuit.
In the above example, the water hole 16 of the partition plate 11 between the pre-denitrification chamber 12 and the anoxic chamber 13 and the water hole 16 of the partition plate 11 between the anaerobic chamber 14 and the aerobic chamber 15 are both located at the lower end of the partition plate 11 higher than the bacteria culture medium 4, and the water hole 16 of the partition plate 11 between the anoxic chamber 13 and the anaerobic chamber 14 is located at the upper side of the partition plate 11.
In the above example, the drain port 201 of the secondary sedimentation tank 2 is located on the top side surface of the secondary sedimentation tank 2, the water outlet 202 of the secondary sedimentation tank 2 is located on the lower side of the drain port 201, and the water inlet 203 of the secondary sedimentation tank 2 is located on the lower side of the water outlet 202.
In the above example, the number of the fixing frames 404 is at least 2, one end of the fixing frame 404 is an annular structure, the other end of the fixing frame 404 is a positioning block 4041 with uniformly distributed positioning holes, one end of the annular structure of the fixing frame 404 is connected with the heating pipe 403, the inner wall of the annular structure is connected with the outer wall of the heating pipe 403, and one end of the fixing frame 404 with the positioning block 4041 is connected with the outer wall of the base frame 402 through a screw.
In the above embodiment, the water treatment tank 1 and the secondary sedimentation tank 2 are provided with support pillars 20 on their lower end surfaces.
In the above example, the input end of the raw water pump 8 is communicated with the raw water pool through a water pipe.
In the above embodiment, the outer surface of the water treatment tank 1 is provided with a display screen (not shown) and a heating pipe switch (not shown), and the display screen (not shown) and the heating pipe switch (not shown) are electrically connected with the driving circuit.
The utility model provides an inversion A2The improved process treatment device of the O process not only effectively solves the problem of inversion A2The O process sewage treatment equipment has the problems of insufficient oxygen content of liquid in an aerobic pool body and difficult dissolved oxygen content control due to anaerobic hypoxia, and ensures that bacteria in the device are subjected to decomposition reaction at constant temperature and constant pressure, thereby ensuring the activity of the bacteria.
The utility model discloses process flow does: the pre-denitrification tank → the anoxic tank → the anaerobic tank → the aerobic tank → the secondary sedimentation tank:
a pre-denitration area: nitrate and oxygen in inflow sewage and return sludge are fully removed, the content of dissolved oxygen in a subsequent anoxic tank and an anaerobic tank is ensured to be easily controlled, the efficiency of phosphorus releasing of phosphorus accumulating bacteria in an anaerobic zone is greatly improved, and the phosphorus absorption efficiency of the phosphorus accumulating bacteria in an aerobic tank is greatly improved.
An anoxic pond: denitrification removes nitrate nitrogen and part of BOD5The hydrolysis reaction improves biodegradability.
③ anaerobic tank: and organic matters in the wastewater are removed by using the action of anaerobic bacteria. The anaerobic process can be divided into a hydrolysis stage, an acidification stage, an acetogenesis and a methanation stage.
Fourthly, an aerobic tank: the activated sludge is subjected to aerobic respiration to further decompose organic matters into inorganic matters, so that the aim of removing pollutants is fulfilled.
A secondary sedimentation tank: and (4) separating sludge, clarifying, concentrating and refluxing the mixed liquor with activated sludge.
Sixthly, the suspension type three-dimensional biological filler: the suspended three-dimensional biological filler is added into the aerobic tank to serve as a carrier, so that the growth condition of microorganisms in the aerobic reaction tank is optimized, the organic matter removal rate is high under the same organic matter load condition, and the solubility of oxygen in air in water can be improved.
And seventh, sludge backflow: the activated sludge is separated from the secondary sedimentation tank and flows back to the biological treatment stage.
Allowing nitrified liquid to flow back: nitrifying liquid flows back to the pre-denitrification area from the anoxic pond.
During the operation of the device, the oxygen content, the temperature and the PH value of the bacteria culture medium in the water treatment tank are displayed on the display screen in real time, and the heating pipe can be started to heat to ensure the activity of bacteria when the temperature is lower.
The utility model provides an inversion A2The improved process treatment device of the O process has small occupied area and low construction cost, and not only effectively solves the problem of inversion A2The O process sewage treatment equipment has the problems of insufficient liquid oxygen content in the aerobic pool body and difficult dissolved oxygen content control due to anaerobic hypoxia, and has high purification efficiency and quality and low requirement on professional skills of operation managers.
Those skilled in the art should understand that the present invention is not limited by the above embodiments. The foregoing embodiments and description have been made only for the purpose of illustrating the principles of the invention. The present invention can be further modified and improved without departing from the spirit and scope of the present invention. Such changes and modifications are intended to be within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A kind of inversion A2O craft improves the processing unit again, characterized by that: the process treatment device comprises a water treatment tank, a secondary sedimentation tank, a pipeline, a bacterial culture medium, an aeration device, a sludge pump, a nitrification liquid pump, a raw water pump, a constant-pressure air valve, a suspension type three-dimensional biological filler and a driving circuit, wherein the water treatment tank is of a closed cavity structure and is internally provided with 3 partition boards, the internal space of the water treatment tank is transversely and sequentially divided into 4 equivalent spaces of a pre-denitrification chamber, an anoxic chamber, an anaerobic chamber and an aerobic chamber by the 3 partition boards, the partition boards are provided with water holes, the tops of the pre-denitrification chamber, the anoxic chamber, the anaerobic chamber and the aerobic chamber are provided with the constant-pressure air valve and a feeding port, the bottoms of the pre-denitrification chamber, the anoxic chamber, the anaerobic chamber and the aerobic chamber are provided with sewage discharge ports, the interiors of the pre-denitrification chamber, the anoxic chamber, the anaerobic chamber and the aerobic chamber are provided with the bacterial culture medium, the suspension type three-dimensional biological filler is arranged in the aerobic feeding chamber, the pre-denitrification chamber is provided with the original side wall, the primary sedimentation tank, the pipeline, the bacterial culture medium, the aeration device and the sludge pump, the raw water pump, the anaerobic pump and the anaerobic pump, the anaerobic pump and the anaerobic pump are sequentially arranged on the anaerobic pump, the anaerobic pump and the anaerobic pump, the anaerobic pump and the anaerobic pump, nitrify liquid backward flow hole, mud backward flow hole and former mouth of a river, nitrify liquid backward flow hole, mud backward flow hole department and be equipped with raw water pump, nitrify liquid pump, sludge pump respectively, the aerobic chamber bottom is equipped with aeration hole and lateral wall and is equipped with nitrify liquid backward flow hole, two heavy pond lateral walls are equipped with drain, water inlet, delivery port and the bottom is equipped with the mud backward flow hole, the nitrify liquid backward flow hole of aerobic chamber, the mud backward flow hole of two heavy ponds are respectively through the pipeline and the input intercommunication of nitrify liquid pump, sludge pump, the aeration equipment output communicates and the input and the air-blower intercommunication with the aeration hole of aerobic chamber, drive circuit and constant voltage pneumatic valve, raw water pump, sludge pump, nitrify liquid pump, air-blower and drive circuit electric connection have been inlayed to the water treatment tank surface, the bacterial culture medium includes matrix, bed frame, heating pipe, support, mount, oxygen content monitor, PH value monitor, temperature monitor, the bed frame is round platform shape frame construction and inside packing has the matrix, the bed frame surface is equipped with oxygen content monitor, PH value monitor, temperature monitor, the bed frame outside ring has heating pipe and heating pipe to pass through mount and bed frame outer wall connection, bed frame bottom equipartition support, the support bottom is connected with the inboard bottom of water treatment tank, oxygen content monitor, PH value monitor, temperature monitor, heating pipe all with drive circuit electric connection.
2. The apparatus of claim 1, wherein the water holes of the partition plate between the pre-denitrification chamber and the anoxic chamber and the water holes of the partition plate between the anaerobic chamber and the aerobic chamber are respectively located at a position higher than the bacteria culture medium at the lower end of the partition plate, and the water holes of the partition plate between the anoxic chamber and the anaerobic chamber are located at the upper side of the partition plate.
3. The apparatus of claim 1, wherein the outlet of the secondary sedimentation tank is located at the top side of the secondary sedimentation tank, the outlet of the secondary sedimentation tank is located at the lower side of the outlet of the secondary sedimentation tank, and the inlet of the secondary sedimentation tank is located at the lower side of the outlet of the secondary sedimentation tank.
4. The apparatus of claim 1, wherein the number of the fixing frames is at least 2, one end of the fixing frame is of a ring structure, the other end of the fixing frame is a positioning block with positioning holes distributed uniformly, one end of the fixing frame of the ring structure is connected to the heating pipe, the inner wall of the ring structure is connected to the outer wall of the heating pipe, and one end of the fixing frame with the positioning block is connected to the outer wall of the base frame through a screw.
5. The apparatus of claim 1, wherein the water treatment tank and the bottom of the secondary sedimentation tank are provided with support columns.
6. The apparatus of claim 1, wherein the input of the raw water pump is connected to the raw water tank via a water pipe.
7. The apparatus of claim 1, wherein the outer surface of the tank is provided with a display screen and a heater switch, and the display screen and the heater switch are electrically connected to the driving circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023115005.9U CN214734817U (en) | 2020-12-22 | 2020-12-22 | Improved process treatment device for inverted A2O process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023115005.9U CN214734817U (en) | 2020-12-22 | 2020-12-22 | Improved process treatment device for inverted A2O process |
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| CN214734817U true CN214734817U (en) | 2021-11-16 |
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| CN202023115005.9U Active CN214734817U (en) | 2020-12-22 | 2020-12-22 | Improved process treatment device for inverted A2O process |
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