CN211255627U

CN211255627U - Multiphase circulating sewage treatment equipment

Info

Publication number: CN211255627U
Application number: CN201922030204.0U
Authority: CN
Inventors: 黄守云; 董青莉
Original assignee: Hefei Haotian Environmental Protection Technology Co ltd
Current assignee: Hefei Haotian Environmental Protection Technology Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-14
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a heterogeneous circulation sewage treatment device, including equalizing basin, equipment control center and heterogeneous circulation biological pond, its characterized in that: the inside grid that has put to one side of equalizing basin, the equalizing basin right side is provided with denitration pond in advance, through the sewer piping connection between denitration pond in advance and the equalizing basin, the sewage pump is installed to the sewer pipe end of intaking, denitration pond right side in advance is provided with the anaerobism pond, anaerobism pond right side is provided with the oxygen deficiency pond, oxygen deficiency pond right side is provided with good oxygen pond, good oxygen bottom of the pool portion is provided with scattered balloon, the last hole of ventilating of having seted up of scattered balloon, it passes through gas-supply pipe and rotary air-blower sealing connection to scatter the balloon, the utility model relates to a heterogeneous circulation sewage treatment equipment has reached the abundant processing to oily microorganism debris in the sewage through seven ways of handling, and the water quality of processing obtains higher assurance, wherein biological filler district structural design is reasonable compact, and the convenient and difficult quilt of packing is damaged.

Description

Multiphase circulating sewage treatment equipment

Technical Field

The utility model relates to a sewage treatment technical field, in particular to heterogeneous circulation sewage treatment device.

Background

The rural environmental pollution problem is highlighted gradually while the economy is rapidly developed. The number of main pollutants generated in rural areas of China already accounts for half of the whole country. In the aspect of domestic sewage treatment, about 80 hundred million tons of domestic sewage are generated in rural areas in China every year, and 96% of villages have no drainage channels and sewage treatment systems, so that the domestic sewage is discharged at will. Untreated domestic sewage is discharged arbitrarily, the ecological environment of rural areas is polluted seriously, the physical health of vast farmers and the economic development of rural areas are threatened directly, and the rural sewage has the characteristics of unstable discharge amount, large amount in some time intervals and small amount in some time intervals. In addition, rural sewage has the characteristics of large volume, more sundries and more oil stains. In particular, in villages which develop dietary tourism projects such as farmhouse happiness, the discharged sewage is more greasy in oil due to more cooking.

Therefore, it is necessary to develop a multiphase circulation sewage treatment apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heterogeneous circulation sewage treatment device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heterogeneous circulation sewage treatment device, includes equalizing basin, equipment control center and heterogeneous circulation biological pond, its characterized in that: a grid is obliquely arranged in the adjusting tank, a pre-denitrification tank is arranged on the right side of the adjusting tank, the pre-denitrification tank is connected with the adjusting tank through a sewage pipe, a sewage pump is installed at the water inlet end of the sewage pipe, an anaerobic tank is arranged on the right side of the pre-denitrification tank, an anoxic tank is arranged on the right side of the anaerobic tank, an aerobic tank is arranged on the right side of the anoxic tank, a diffusion balloon is arranged at the bottom of the aerobic tank, small ventilation holes are formed in the diffusion balloon, the diffusion balloon is in sealing connection with a rotary blower through a gas pipe, a multiphase circulation biological tank is arranged on the right side of the aerobic tank, a corrugated biological packing layer is installed in the multiphase circulation biological tank, an umbrella aeration head penetrates through the middle of the corrugated biological packing layer from top to bottom, the umbrella aeration head is in sealing connection with an aeration blower through an umbrella aeration pipe, and an ultraviolet disinfection tank is arranged, an ultraviolet source is installed in the middle of the ultraviolet disinfection tank in the vertical direction, and the top of the right side of the ultraviolet disinfection tank is connected with a purified water discharge port.

Preferably, the included angle between the grating and the plane is 60 to 80 degrees, and the top end of the grating is 50cm away from the top end of the adjusting tank.

Preferably, the umbrella exposure head is further provided with a perforated aeration pipe which is arranged below the corrugated biological filler layer and performs aeration from the lower surface of the corrugated biological filler layer to the upper part, and the corrugated biological filler layer is provided with a plurality of inclined filler plates.

The utility model discloses a technological effect and advantage: the utility model relates to a heterogeneous circulation sewage treatment device has reached the processing to oily microorganism debris in sewage through seven processing, wherein the rational in infrastructure design compactness of biofilm carrier district, and it is convenient and difficult quilt damage to pack.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: the device comprises a regulating tank 1, a pre-denitrification tank 2, an anaerobic tank 3, a rotary blower 4, a gas delivery pipe 5, a corrugated biological packing layer 6, an aeration blower 7, an equipment control center 8, a purified water discharge port 9, an ultraviolet source 10, an ultraviolet disinfection tank 11, an umbrella aeration head 12, a multiphase circulation biological tank 13, small ventilation holes 14, a gas dispersion ball 15, an aerobic tank 16, an anoxic tank 17, a sewage pipe 18, a sewage pump 19 and a grid 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a heterogeneous circulation sewage treatment device as shown in the figure, including equalizing basin 1, equipment control center 8 and heterogeneous circulation biological pond 13, its characterized in that: the device comprises an adjusting tank 1, a grid 20 is obliquely arranged in the adjusting tank 1, the grid 20 is used for removing larger suspended matters in sewage, a pre-denitrification tank 2 is arranged on the right side of the adjusting tank 1, the pre-denitrification tank 2 is connected with the adjusting tank 1 through a sewage pipe 18, the adjusting tank 1 is used for precipitating sludge in the sewage, a sewage pump 19 is installed at the water inlet end of the sewage pipe 18, the sewage pump 19 is used for pumping the sewage in the adjusting tank 1 into the pre-denitrification tank 2 for treatment, an anaerobic tank 3 is arranged on the right side of the pre-denitrification tank 2, the anaerobic tank 3 is used for reducing nitrate radical flowing back through internal circulation in the aerobic tank 3 into N2 by taking undecomposed carbon-containing organic matters in the sewage as a carbon source, an anoxic tank 17 is arranged on the right side of the anaerobic tank 3, and the denitrifying bacteria in the tank take the undecomposed carbon-containing organic matters in the sewage as a carbon source, the right side of the anoxic pond 17 is provided with an aerobic pond 16, the aerobic pond 16 utilizes aerobic microorganisms to carry out biological metabolism under the condition of aerobic gas to degrade organic matters so as to realize stable and harmless treatment, the bottom of the aerobic pond 16 is provided with a dispersion balloon 15, the dispersion balloon 15 is used for increasing the contact area with water so as to improve the fusion degree of the gas and sewage, the dispersion balloon 15 is provided with small ventilation holes 14, the dispersion balloon 15 is hermetically connected with a rotary air blower 4 through a gas pipe 5, the rotary air blower 4 is used for providing oxygen into the aerobic pond 3, the right side of the aerobic pond 16 is provided with a multiphase circulation biological pond 13, the multiphase circulation biological pond 13 is used for decomposing pollutants such as organic matters and oil stains in the sewage by adding biological raw materials into a biological filler layer, and a corrugated biological filler layer 6 is arranged inside the multiphase circulation biological pond 13, the utility model discloses a biological pond, including corrugated bio-packing layer 6, umbrella aeration head 12 is through umbrella aeration pipe and aeration blower 7 sealing connection in the middle of the department from the top down, thereby send the air into the bottom of the pool through the air-lift circulation of umbrella aeration equipment again through scattering aeration head 12 and aeration blower 7, form the inner loop, and the water distribution is even to make the organic matter in the sewage obtain abundant decomposition, heterogeneous circulation biological pond 13 right side is provided with ultraviolet ray disinfection pond 11, install ultraviolet source 10 in the vertical direction in the middle of 11 inside ultraviolet ray disinfection ponds, ultraviolet disinfection pond 11 is used for eliminating the harmful microorganism bacterium etc. of aquatic, 11 right side tops in ultraviolet disinfection pond are connected with water purification row mouth 9.

Further, in the above technical solution, the included angle between the grating 20 and the plane is 60 to 80 degrees, and the top end of the grating 20 is 50cm away from the top end of the adjusting tank 1.

Furthermore, in the above technical solution, the umbrella-shaped aeration head 12 further comprises a perforated aeration pipe disposed below the corrugated bio-filler layer 6, and the aeration is performed from the lower side of the corrugated bio-filler layer to the upper side, and the corrugated bio-filler layer 6 comprises a plurality of inclined filler plates.

This practical theory of operation: firstly, sewage enters an adjusting tank, a grid in the adjusting tank filters larger suspended matters in the sewage, then part of sludge in stationary sewage after a period of time is precipitated to the bottom of the tank, the sewage is conveyed to a pre-denitrification tank by a sewage pump for chemical treatment, then the sewage enters an anaerobic tank and an aerobic tank for treatment, the anaerobic tank takes undecomposed carbon-containing organic matters in the sewage as a carbon source for denitrifying bacteria in the tank, nitrate radical which flows back through internal circulation in the aerobic tank is reduced into N2 for releasing, the anoxic tank takes undecomposed carbon-containing organic matters in the sewage as a carbon source for denitrifying bacteria in the tank and reduces the nitrate radical into N2 for releasing, the aerobic tank utilizes aerobic microorganisms to carry out biological metabolism under the condition of oxygen existence to degrade the organic matters so as to carry out stable and harmless treatment, and the treated sewage is further subjected to reaction treatment in a multiphase circulation biological tank after the treatment of the last links, and (3) treating the microorganisms for treatment, finally treating harmful bacteria and microorganisms in the water through an ultraviolet disinfection tank, and discharging or recycling the qualified water.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A multiphase circulating sewage treatment equipment comprises a regulating tank (1), an equipment control center (8) and a multiphase circulating biological tank (13), and is characterized in that: the utility model discloses a biological denitration device, including equalizing basin (1), sewage pump (19) are installed to sewage pipe (18) intake end, denitration pond (2) right side is provided with in advance denitration pond (2), connect through sewage pipe (18) between denitration pond (2) and equalizing basin (1) in advance, sewage pump (19) are installed to sewage pipe (18) intake end, denitration pond (2) right side is provided with anaerobism pond (3) in advance, anaerobism pond (3) right side is provided with oxygen deficiency pond (17), oxygen deficiency pond (17) right side is provided with good oxygen pond (16), good oxygen pond (16) bottom is provided with scattered balloon (15), the aperture of ventilating (14) has been seted up on scattered balloon (15), scattered balloon (15) are through gas-supply pipe (5) and rotary air blower (4) sealing connection, good oxygen pond (16) right side is provided with heterogeneous circulation biological pond (13), heterogeneous circulation biological pond (13) internally mounted has corrugate biological packing layer (, department from the top down runs through umbrella exposure head (12) in the middle of corrugated biological packing layer (6), umbrella exposure head (12) are through umbrella exposure pipe and aeration air-blower (7) sealing connection, heterogeneous circulation biological pond (13) right side is provided with ultraviolet ray disinfection pond (11), install ultraviolet source (10) in the middle of ultraviolet ray disinfection pond (11) inside in the vertical direction, ultraviolet ray disinfection pond (11) right side top is connected with water purification mouth of escape (9).

2. The multiphase circulation sewage treatment plant of claim 1, wherein: the included angle between the grating (20) and the plane is 60-80 degrees, and the distance between the top end of the grating (20) and the top end of the adjusting tank (1) is 50 cm.

3. The multiphase circulation sewage treatment plant of claim 1, wherein: the umbrella exposure head (12) is also provided with a perforated aeration pipe which is arranged below the corrugated biological filler layer (6) and performs aeration upwards from the lower part of the corrugated biological filler layer, and the corrugated biological filler layer (6) is provided with a plurality of inclined filler plates.