CN217578599U

CN217578599U - Photovoltaic energy supply formula sewage treatment integration equipment

Info

Publication number: CN217578599U
Application number: CN202220268405.3U
Authority: CN
Inventors: 曾木平; 邱敬贤; 孙慧智; 何曦; 吴志恒; 王胜
Original assignee: Changsha Industrial Research Institute Environmental Protection Co Ltd
Current assignee: Changsha Industrial Research Institute Environmental Protection Co Ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-10-14
Anticipated expiration: 2032-02-10

Abstract

The utility model discloses a photovoltaic energy supply type sewage treatment integrated device, which comprises a device main body, wherein photovoltaic plates are arranged on two side surfaces of the device main body, an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank, a filtering tank and a device room are arranged in the device main body, first stirring aeration pipes are arranged at the bottoms of the anaerobic tank and the anoxic tank, an aeration disc communicated with an aeration main pipe is arranged at the bottom of the aerobic tank, a filter material layer is arranged in the filtering tank, and a second stirring aeration pipe is arranged at the bottom of the filtering tank; the photovoltaic plate is electrically connected with the storage battery, and the storage battery is electrically connected with the backwashing pump, the electric control cabinet and the fan. The sewage treatment integrated equipment improves the sewage treatment efficiency and effect, and reduces the energy consumption and the operation cost of sewage treatment.

Description

Photovoltaic energy supply formula sewage treatment integration equipment

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to photovoltaic energy supply formula sewage treatment integration equipment.

Background

Because rural domestic sewage is distributed more dispersedly, rural domestic sewage is difficult to be treated in a centralized large-scale manner, various sewage treatment integrated equipment replaces large-scale sewage plants on the market, and the problem that rural domestic sewage is distributed more dispersedly is solved.

At present, common processes of sewage treatment integrated equipment comprise MBR, MABR, MFBR and the like. For equipment adopting MBR process, the service life of the membrane is limited, the price of the membrane is high, the effect is deteriorated and unstable along with time, and the maintenance cost is high. For the equipment adopting the MABR process, the membrane cost is high, and the maintenance is inconvenient. As for the equipment adopting the MBBR process, a membrane component is not needed, the price is relatively cheap, the maintenance cost is low, and the MBBR process is a better process choice for sewage treatment in rural areas. Nevertheless, the existing sewage treatment equipment based on the MBBR technology has relatively low sewage treatment efficiency, relatively poor sewage treatment effect and relatively high energy consumption and operation cost. In recent years, with the implementation of the concepts of 'carbon peak reaching' and 'carbon neutralization', higher requirements on energy conservation and emission reduction of sewage treatment are provided.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a photovoltaic energy supply formula sewage treatment integration equipment to improve sewage treatment efficiency and effect, reduce sewage treatment's energy consumption and operation cost.

The utility model discloses an above-mentioned problem is solved to following technical means: a photovoltaic energy supply type sewage treatment integrated device comprises a device main body, wherein photovoltaic plates are arranged on two side faces of the device main body, an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank, a filtering tank and a device room are arranged in the device main body, the anaerobic tank is connected with a water inlet pipe, the filtering tank is connected with a water production pipe, first stirring aeration pipes are arranged at the bottoms of the anaerobic tank and the anoxic tank, an aeration disc communicated with an aeration main pipe is arranged at the bottom of the aerobic tank, a filter material layer is arranged in the filtering tank, a second stirring aeration pipe is arranged at the bottom of the filtering tank, the filtering tank is connected with a backwashing water outlet pipe, and a backwashing pump is arranged on the backwashing water outlet pipe; the photovoltaic plate is electrically connected with the storage battery, and the storage battery is electrically connected with the backwashing pump, the electric control cabinet and the fan.

Further, an overflow pipe is arranged in the anoxic tank.

Further, the aerobic tank is communicated with the anoxic tank through a nitrifying liquid return pipe, the nitrifying liquid return pipe provides power through a nitrifying liquid return gas stripping pipe, and the nitrifying liquid return gas stripping pipe is communicated with the gas bag.

Further, the sedimentation tank is communicated with the anaerobic tank through a sludge return pipe, the sludge return pipe provides power through a sludge return gas stripping pipe, and the sludge return gas stripping pipe is communicated with the gas bag.

Further, the top of the aerobic tank and the top of the anoxic tank are respectively provided with a PAC dosing pipe and a carbon source dosing pipe.

Further, the top of equipment principal is provided with the access hole, and one side of equipment principal is provided with maintenance stair.

The utility model has the advantages that:

1. the photovoltaic panel converts solar energy into electric energy, the electric energy is stored in the storage battery, and the storage battery supplies power to electrical components of the equipment, so that the energy consumption and the operation cost are reduced, and carbon emission is reduced; the sludge in the anaerobic tank and the sludge in the anoxic tank are uniformly stirred by arranging the first stirring aeration pipe, so that the sewage treatment efficiency and effect are improved; through setting up filtering ponds and rather than supporting component, further improved the sewage treatment effect.

2. Through set up the overflow pipe in the oxygen deficiency pond, ensure that equipment is in safe water level always, further be favorable to improving sewage treatment effect.

3. By arranging the nitrifying liquid return pipe and the sludge return pipe, the return of the nitrifying liquid and the sludge is realized, the improvement of the nitrification and denitrification effects is facilitated, and the sewage treatment effect is further improved.

4. The air is supplied through the air bag in a dispersing way, and only one aeration source (fan) needs to be arranged, so that the cost is saved.

Drawings

The invention is further described with reference to the following figures and examples.

FIG. 1 is a schematic diagram of the internal structure of the preferred embodiment of the present invention;

FIG. 2 is a schematic view showing an internal structure of the apparatus room;

fig. 3 is a side view of a preferred embodiment of the present invention;

fig. 4 is a front view of the preferred embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. The features and advantages of the present invention will become more apparent from the description. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them.

As shown in fig. 1-4, the photovoltaic energy-supplying type integrated sewage treatment apparatus of the present embodiment includes an apparatus main body, two side surfaces of the apparatus main body are provided with photovoltaic panels 26, an anaerobic tank 18, an anoxic tank 14, an aerobic tank 10, a sedimentation tank 9, a filtering tank 7 and an apparatus room 19 are arranged in the apparatus main body, the anaerobic tank is connected with a water inlet pipe 3, the filtering tank is connected with a water production pipe 2, the bottoms of the anaerobic tank and the anoxic tank are provided with first stirring aeration pipes 21, the bottom of the aerobic tank is provided with an aeration disc 11 communicated with an aeration main pipe 20, the filtering tank is provided with a filter material layer 8, the bottom of the filtering tank is provided with a second stirring aeration pipe 6, the filtering tank is connected with a backwashing water outlet pipe 5, and the backwashing water outlet pipe is provided with a backwashing pump 4; the device room is internally provided with a storage battery 27, an electric control cabinet 28 and a fan 1, an air outlet of the fan is respectively communicated with a first stirring aeration pipe, an aeration main pipe and a second stirring aeration pipe through an air bag 24, the photovoltaic panel is electrically connected with the storage battery, and the storage battery is electrically connected with a backwashing pump, the electric control cabinet and the fan.

An overflow pipe 16 is arranged in the anoxic tank. The aerobic tank is communicated with the anoxic tank through a nitrifying liquid return pipe 15, the nitrifying liquid return pipe provides power through a nitrifying liquid return gas stripping pipe 22, and the nitrifying liquid return gas stripping pipe is communicated with the gas bag. The sedimentation tank is communicated with the anaerobic tank through a sludge return pipe 17, the sludge return pipe provides power through a sludge return gas stripping pipe 23, and the sludge return gas stripping pipe is communicated with the gas bag. The top parts of the aerobic tank and the anoxic tank are respectively provided with a PAC dosing pipe 12 and a carbon source dosing pipe 13. The top of the equipment main body is provided with an access hole 25, and one side of the equipment main body is provided with an access stair 29.

During specific reaction, sewage enters the anaerobic tank inside the equipment from the top of the equipment through the water inlet pipe, the anaerobic tank is communicated with the bottom of the anoxic tank, and the bottom of the anaerobic tank is provided with a first stirring aeration pipe, and the first stirring aeration pipe intermittently performs short aeration on the anaerobic tank and the anoxic tank, so that sludge in the anaerobic tank and the anoxic tank is uniformly stirred. Sewage flows into the oxygen deficiency pond from the bottom of the anaerobic pond, and the overflow pipe arranged in the oxygen deficiency pond can prevent the abnormal operation of equipment caused by overhigh water level, so that the equipment is always in a safe water level, and overflow water is discharged through the overflow port E3. The sewage is subjected to denitrification reaction and then falls into the bottom aerobic tank from the top of the anoxic tank, the bottom of the aerobic tank is provided with an aeration disc communicated with the aeration main pipe, and the aeration disc is continuously aerated to provide oxygen for the nitrification reaction. And a part of nitrified liquid after the nitrification reaction in the aerobic tank returns to the anoxic tank through the nitrified liquid return pipe to further carry out denitrification reaction under the action of the nitrified liquid return gas stripping pipe. The moving bed filler in the aerobic tank is suspended in water, so that the microorganism implantation area is increased, and the pollution treatment speed is increased. Sewage enters the sedimentation tank through the filter screen, and partial sludge returns to the anaerobic tank through the sludge return pipe under the action of the sludge return air stripping pipe. The settled upper clear water flows into the bottom of the filtering tank from the top of the settling tank, and the treated clear water is discharged out of the equipment through the water production pipe under the further filtering action of the filter material layer. Wherein, the air source of the aeration of the device comes from a fan, the power supply of the fan comes from the energy generated by the photovoltaic panel and stored in the storage battery, and the excess sludge in the anoxic tank, the aerobic tank and the sedimentation tank is discharged out of the device through sludge discharge ports E1, E2 and E4 respectively. And a second stirring aeration pipe is arranged at the bottom of the filter tank, the filter material layer is subjected to aeration washing in an intermittent mode, after washing is completed, a backwashing pump runs, and washing water is discharged out of the equipment through a backwashing water outlet pipe. The control and the flow of the equipment are executed by commands given to each component by the electric control cabinet; when a fault occurs, the stair can be climbed for maintenance, and the maintenance opening at the top of the equipment room is opened to enter the upper part of the equipment for maintenance.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a photovoltaic energy supply formula sewage treatment integration equipment which characterized in that: the device comprises a device main body, wherein photovoltaic plates are arranged on two side surfaces of the device main body, an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank, a filtering tank and a device room are arranged in the device main body, the anaerobic tank is connected with a water inlet pipe, the filtering tank is connected with a water production pipe, first stirring aeration pipes are arranged at the bottoms of the anaerobic tank and the anoxic tank, an aeration disc communicated with an aeration main pipe is arranged at the bottom of the aerobic tank, a filter material layer is arranged in the filtering tank, a second stirring aeration pipe is arranged at the bottom of the filtering tank, the filtering tank is connected with a backwashing water outlet pipe, and a backwashing pump is arranged on the backwashing water outlet pipe; the photovoltaic plate is electrically connected with the storage battery, and the storage battery is electrically connected with the backwashing pump, the electric control cabinet and the fan.

2. The integrated photovoltaic powered sewage treatment plant of claim 1, wherein: an overflow pipe is arranged in the anoxic tank.

3. The integrated photovoltaic powered wastewater treatment device of claim 2, wherein: the aerobic tank is communicated with the anoxic tank through a nitrifying liquid return pipe, the nitrifying liquid return pipe provides power through a nitrifying liquid return airlift pipe, and the nitrifying liquid return airlift pipe is communicated with the air bag.

4. The integrated photovoltaic powered sewage treatment plant of claim 3, wherein: the sedimentation tank is communicated with the anaerobic tank through a sludge return pipe, the sludge return pipe provides power through a sludge return gas stripping pipe, and the sludge return gas stripping pipe is communicated with the gas bag.

5. The integrated photovoltaic powered sewage treatment plant of claim 4, wherein: the top of the aerobic tank and the top of the anoxic tank are respectively provided with a PAC dosing pipe and a carbon source dosing pipe.

6. The integrated photovoltaic powered sewage treatment plant of claim 5, wherein: the top of equipment main part is provided with the access hole, and one side of equipment main part is provided with maintenance stair.