CN214734799U

CN214734799U - Sewage treatment aerobic tank with precipitation function

Info

Publication number: CN214734799U
Application number: CN202121014462.0U
Authority: CN
Inventors: 唐虹; 魏鹏飞; 吴佐东; 李培军; 邱沛生
Original assignee: East China Survey And Design Institute Fujian Co ltd
Current assignee: East China Survey And Design Institute Fujian Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-11-16
Anticipated expiration: 2031-05-12

Abstract

The utility model relates to a sewage treatment good oxygen pond with deposit function, it includes: the aeration device comprises a pool body, wherein a water distribution system, an aeration system, a three-phase separator and a water collection system are arranged in the pool body, the water distribution system comprises a water distribution reflecting plate and a water distribution pipe which are arranged at the bottom in the pool body, the aeration system comprises an aeration pipe arranged in the pool body, and the three-phase separator is connected to the middle upper part in the pool body through a support; the three-phase separator comprises a separation partition body, an exhaust pipe is connected to the separation partition body, one end of the exhaust pipe is communicated with the tank body, and the other end of the exhaust pipe extends to the outside and is suspended; the water collecting system comprises a water collecting weir connected to the upper part of the pool body; the utility model provides high pond mud concentration improves mud volume load, does not need the mud backward flow, practices thrift the energy consumption, need not set up two heavy ponds, practices thrift the land used, and this processing technology simple structure, operation are maintained conveniently, are a high efficiency, go out the sewage treatment plant that water quality of water is good.

Description

Sewage treatment aerobic tank with precipitation function

Technical Field

The utility model relates to a sewage treatment technical field especially relates to an aerobic pond of sewage treatment with deposit function.

Background

In recent years, China invests a great deal of manpower and financial resources in the field of wastewater treatment, and with the continuous promotion of water environment treatment, the water environment quality is generally stable and medium, and more sewage treatment plants realize primary A discharge; in the sewage treatment, an aerobic treatment process is usually adopted for sewage treatment, and in the conventional aerobic treatment, a secondary sedimentation tank and a sludge reflux system are required to be arranged, so that the sewage treatment system is high in operation cost, large in occupied area and complex in process operation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above problems in the prior art, the utility model provides an aerobic tank for sewage treatment with precipitation function, its simple structure, operation maintenance are convenient, are a high efficiency, go out the sewage treatment plant that water quality of water is good.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

the utility model provides an aerobic pond of sewage treatment with deposit function, it includes: the device comprises a pool body, wherein a water distribution system, an aeration system, a three-phase separator and a water collection system are arranged in the pool body, the water distribution system comprises a water distribution reflecting plate and a water distribution pipe which are arranged at the bottom in the pool body, and the water distribution pipe is positioned above the water distribution reflecting plate; one end of the water distribution pipe extends to the outer side to form a water inlet end, one end of the water distribution pipe is a blind end, and a plurality of water outlet holes are formed in the water distribution pipe at intervals;

the aeration system comprises an aeration pipe arranged in the tank body, one end of the aeration pipe extends to the outer side to form an air inlet end, the other end of the aeration pipe is a blind end, a plurality of air outlet holes are formed in the aeration pipe at intervals, and aeration heads are connected to the air outlet holes;

the three-phase separator is connected to the middle upper part in the tank body; the three-phase separator comprises a separation partition body, a water passing hole for water flow to pass through is formed in the separation partition body, an exhaust pipe is connected to the separation partition body, one end of the exhaust pipe is communicated with the tank body, and the other end of the exhaust pipe extends to the outside and is suspended in the air;

the water collecting system comprises a water collecting weir connected to the upper part in the tank body.

Furthermore, the water distribution reflecting plate is triangular, the outer surface of the water distribution reflecting plate is a plate body formed by stainless steel plates, concrete is coated in the plate body, and the plate body is fixed at the bottom in the pool body by expansion screws.

Furthermore, the separating and separating body is in an inverted V shape or a triangular shape, and the side edge of the separating and separating body forms an included angle of 55 degrees with the horizontal plane.

Further, still include row's mud system, arrange the mud system including connecting in the internal row's mud pipe of pond, the one end and the cell body of row's mud pipe are linked together, and the other end of row's mud pipe extends to the cell body outside.

Furthermore, a sampling pipe is arranged on the wall of the tank body.

Furthermore, the periphery of the water collecting weir and the wall of the pool body form a whole.

Further, the three-phase separator is connected to the middle upper part in the pool body through a bracket.

(III) advantageous effects

The utility model has the advantages that: the sludge concentration in the tank is improved, the sludge volume load is improved, the sludge backflow is not needed, the energy consumption is saved, the secondary sedimentation tank is not needed, the land is saved, the treatment process is simple in structure, the operation and the maintenance are convenient, and the sewage treatment device is efficient and has good effluent quality.

Drawings

FIG. 1 is a front view of the structure of an embodiment of the present invention;

fig. 2 is a side view of the structure of an embodiment of the present invention;

fig. 3 is a schematic diagram of a water distribution reflection plate structure according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a separation spacer according to an embodiment of the present invention.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

The utility model discloses an aerobic tank of sewage treatment with function of deposiing of an embodiment, as shown in fig. 1-4, it includes: the water distribution system comprises a water distribution reflecting plate 2 and a water distribution pipe 3 which are arranged at the bottom in the tank body 1, the water distribution reflecting plate 2 is triangular, the outer surface of the water distribution reflecting plate is a stainless steel plate to form a plate body, concrete is coated in the plate body, and the plate body is fixed at the bottom in the tank body 1 by expansion screws to ensure the uniformity of water distribution; the water distribution pipe 3 is positioned above the water distribution reflecting plate 2; one end of the water distribution pipe 3 extends to the outer side to form a water inlet end, one end of the water distribution pipe 3 is a blind end, and a plurality of water outlet holes are formed in the water distribution pipe 3 at intervals.

Specifically, the aeration system comprises an aeration pipe 4 arranged in the tank body 1, one end of the aeration pipe 4 extends to the outer side to form an air inlet end, the other end of the aeration pipe 4 is a blind end, a plurality of air outlet holes are formed in the aeration pipe 4 at intervals, and an aeration head 5 is connected to the air outlet holes; aeration head 5 is 215mm micropore gas distribution device, and this system installation is simple, and the air diffusion is effectual, and it is efficient to oxygenate, can provide power for activated sludge's suspension when guaranteeing the oxygen demand of microorganism in the aeration tank.

Specifically, the three-phase separator is connected to the middle upper part in the tank body 1 through a bracket 6; the three-phase separator comprises a separation partition body 7, a water passing hole for water flow to pass through is formed in the separation partition body 7, an exhaust pipe 8 is connected to the separation partition body 7, one end of the exhaust pipe 8 is communicated with the tank body 1, and the other end of the exhaust pipe 8 extends to the outside and is suspended; the separation partition body 7 is in an inverted V shape or a triangular shape, the side edge of the separation partition body forms an included angle of 55 degrees with the horizontal plane, and the lower part of the separation partition body 7 is supported by the bracket 6, so that the installation is convenient and flexible; the exhaust pipe 8 is made of a PVC plastic pipe, so that gas collected by the three-phase separator is effectively exhausted, and the influence of the gas on an upper sedimentation area in the tank body 1 is avoided; the aeration tank adopting the three-phase separator reduces the sludge backflow operation, improves the sludge concentration in the aeration tank and ensures the water outlet effect.

Specifically, the sludge discharge system comprises a sludge discharge pipe connected in the tank body 1, one end of the sludge discharge pipe is communicated with the tank body 1, and the other end of the sludge discharge pipe extends to the outside of the tank body 1; cell body 1 adopts half ground structure, can adopt the mode of mud is arranged to the static pressure, is provided with sampling pipe 9 on the pool wall of cell body 1 simultaneously, can be according to the sludge concentration of sampling pipe monitoring aeration tank different positions in, whether need get rid of mud in the pond according to mud concentration determination to guarantee pond mud concentration in, because the produced surplus mud of activated sludge proliferation is got rid of by row mud system.

Specifically, the water collecting system is including connecting in the weir 10 that catchments on upper portion in cell body 1, and the weir 10 that catchments forms integratively all around with the pool wall of cell body 1, can be according to the construction technology horizontally height, whether consider that whether need add PVC triangle weir that catchments outside the concrete weir that catchments, it is even to guarantee to go out water, and weir 10 that catchments sets up and has reduced the water conservancy load, avoids too big water conservancy load to influence the heavy mud effect in aeration tank upper portion, guarantees the partial precipitation effect of three-phase separator, ensures out water quality.

When the aeration tank is operated, treated water is pumped or flows by a pump to uniformly enter the water distribution pipe 3 through the water supplementing system and then enter the tank body 1, the treated water is mixed with air supplied by the aeration system at the bottom of the tank body 1, activated sludge at the bottom of the tank body 1 is brought to flow upwards in an air-water mixed state, and the air-water mixed state is used for supplementing nutrient substances and oxygen for the activated sludge; along with the upward flowing process of the solid-liquid-gas three phases, the organic matters in the treated water are reacted by the activated sludge, when the solid-liquid-gas phase reaches the three-phase separator, the air is discharged from the three-phase separator through the exhaust pipe 8, the solid-liquid two phases continuously rise, the solid-liquid separation is carried out on the separation partition 7, the treated water after precipitation is discharged from the water collecting weir 10, and the generated sludge is discharged from the sludge discharge pipe.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. The utility model provides an aerobic pond of sewage treatment with deposit function which characterized in that, it includes: the aeration tank comprises a tank body (1), wherein a water distribution system, an aeration system, a three-phase separator and a water collection system are arranged in the tank body (1), the water distribution system comprises a water distribution reflecting plate (2) and a water distribution pipe (3) which are arranged at the bottom in the tank body (1), and the water distribution pipe (3) is positioned above the water distribution reflecting plate (2); one end of the water distribution pipe (3) extends to the outer side to form a water inlet end, one end of the water distribution pipe (3) is a blind end, and a plurality of water outlet holes are formed in the water distribution pipe (3) at intervals;

the aeration system comprises an aeration pipe (4) arranged in the tank body (1), one end of the aeration pipe (4) extends to the outer side to form an air inlet end, the other end of the aeration pipe (4) is a blind end, a plurality of air outlet holes are formed in the aeration pipe (4) at intervals, and aeration heads (5) are connected to the air outlet holes;

the three-phase separator is connected to the middle upper part in the tank body (1); the three-phase separator comprises a separation partition body (7), a water passing hole for water flow to pass through is formed in the separation partition body (7), an exhaust pipe (8) is connected to the separation partition body (7), one end of the exhaust pipe (8) is communicated with the tank body (1), and the other end of the exhaust pipe (8) extends to the outside and is suspended;

the water collecting system comprises a water collecting weir (10) connected to the inner upper part of the tank body (1).

2. The aerobic tank with sedimentation function for sewage treatment as claimed in claim 1, wherein: the water distribution reflecting plate (2) is triangular, the outer surface of the water distribution reflecting plate is a plate body formed by a stainless steel plate, concrete is coated in the plate body, and the plate body is fixed at the bottom in the tank body (1) by expansion screws.

3. The aerobic tank with sedimentation function for sewage treatment as claimed in claim 1, wherein: the separation body (7) is in an inverted V shape or a triangle shape, and the side edge of the separation body forms an included angle of 55 degrees with the horizontal plane.

4. The aerobic tank with sedimentation function for sewage treatment as claimed in claim 1, wherein: still include row's mud system, row's mud system is including connecting the mud pipe in cell body (1), and the one end and cell body (1) of mud pipe are linked together, and the other end of mud pipe extends to cell body (1) outside.

5. The aerobic tank with sedimentation function for sewage treatment as claimed in claim 1, wherein: a sampling pipe (9) is arranged on the wall of the tank body (1).

6. The aerobic tank with sedimentation function for sewage treatment as claimed in claim 1, wherein: the periphery of the water collecting weir (10) is integrated with the wall of the tank body (1).

7. The aerobic tank with sedimentation function for sewage treatment as claimed in claim 1, wherein: the three-phase separator is connected to the middle upper part in the tank body (1) through a bracket (6).