CN210261466U - Domestic sewage comprehensive treatment and comprehensive utilization system - Google Patents

Domestic sewage comprehensive treatment and comprehensive utilization system Download PDF

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Publication number
CN210261466U
CN210261466U CN201920863619.3U CN201920863619U CN210261466U CN 210261466 U CN210261466 U CN 210261466U CN 201920863619 U CN201920863619 U CN 201920863619U CN 210261466 U CN210261466 U CN 210261466U
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China
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pipeline
sewage
liquid storage
storage tank
discharge pipeline
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Active
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CN201920863619.3U
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Chinese (zh)
Inventor
杜玉吉
郭林
张斌
邵琪
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Cecep City Energy Conservation Co ltd
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Cecep City Energy Conservation Co ltd
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Abstract

The utility model discloses a comprehensive treatment and comprehensive utilization system for domestic sewage, which comprises a liquid storage tank, a water pump; secondly, the neutralized drainage can be reused as toilet flushing water; furthermore, the artificial wetland uses natural plants to evolve the water quality, the traditional sewage treatment plant uses a chemical treatment method, sludge containing harmful components and slag are generated in the process, the artificial wetland system has no secondary pollution, and the landscape ornamental value is increased while the water quality evolves. The utility model discloses an applied scale can be based on local resident distribution and gathers the decentrality and consider, can 10 ~ 20 family's sharing in the great range, also can single family branch family use, and equipment investment is few, and it is convenient to maintain, and area is little, and the silt that is rich in organic substance after having fermented can cooperate the planting vegetables in season, additionally brings crops economic benefits.

Description

Domestic sewage comprehensive treatment and comprehensive utilization system
The technical field is as follows:
the utility model relates to a sewage treatment technology, in particular to a domestic sewage utilization system.
Background art:
modern sewage treatment technology is divided into primary, secondary and tertiary treatment technologies according to treatment degree. The first stage treatment of sewage is carried out by removing insoluble suspended solids and floating substances from sewage by physical methods such as screening, sedimentation, etc. The secondary treatment of sewage is mainly to apply a biological treatment method to oxidize and degrade various complex organic matters in the sewage into simple substances. The third-stage sewage treatment is to remove insoluble organic matters, phosphorus, nitrogen and other nutritive substances in sewage by physical and chemical methods such as coagulation, filtration, ion exchange, reverse osmosis and the like on the basis of the first-stage treatment and the second-stage treatment.
The municipal sewage treatment process generally determines the treatment degree of sewage and a corresponding treatment process according to the utilization or discharge direction of the municipal sewage and considering the natural purification capacity of a water body. The treated sewage, whether used for industrial, agricultural or recharge for groundwater, must meet the relevant water quality standards issued by the state.
However, in rural areas or areas far away from urban areas, due to the complex terrain conditions of the areas, the inhabitation of people is not centralized, the total amount of sewage discharge is smaller but larger than the fluctuation of the urban areas, and the factors such as economic conditions are limited, the centralized treatment of domestic sewage is difficult to realize, and the rural domestic sewage (mainly comprising kitchen sewage and bath sewage) is one of the main water sources causing water pollution. The development of local economic development and the improvement of the standard of living of people require the increase of water resources, so that the development of unconventional water sources is urgently needed, and the treated water discharged to the water body becomes an important component of fresh water supply. Domestic sewage must be properly treated to remove and reduce harmful substances, prevent water body from being damaged, and solve the problem of recycling local water resources, so that sewage treatment in rural areas gradually becomes a research hotspot.
The utility model has the following contents:
to above problem, the utility model provides a domestic sewage comprehensive treatment and comprehensive utilization system, this system combine sewage treatment and utilize the technique, compromise the low and low dual advantage of maintenance cost of sewage treatment device investment cost in earlier stage.
A comprehensive treatment and comprehensive utilization system for domestic sewage comprises a sewage neutralization system, a sewage treatment system, a garbage fermentation system and an artificial wetland system, wherein the sewage neutralization system comprises a bathroom drainage pipeline, a kitchen sewage pipeline, a liquid storage tank and a pipeline for connecting neutralized water and a toilet, a visual window is arranged in the liquid storage tank, a filtering device is arranged on the upper layer of the liquid storage tank, an overflow port is arranged on the upper part of the liquid storage tank, and a water replenishing port is arranged on the lower part of the liquid storage tank; the sewage treatment system comprises an overflow port connecting pipeline connected with the overflow port and a toilet discharge pipeline connected with the toilet, the overflow port connecting pipeline and the toilet discharge pipeline are connected into the sewage treatment equipment together, and the sewage treatment equipment is also connected with a supernatant discharge pipeline and a sludge discharge pipeline; the fermentation system comprises a fermentation tank, a kitchen waste fermentation tank inlet pipeline, a methane outlet pipeline and a sludge outlet pipeline, wherein the sludge discharge pipeline is connected with the fermentation tank, and the kitchen waste fermentation tank inlet pipeline is connected with a liquid storage tank and the fermentation tank; the artificial wetland system comprises an aquatic plant area and a purified water discharge pipeline, wherein the supernatant discharge pipeline is connected with the sewage treatment equipment and the aquatic plant area, and the aquatic plant area is connected with the purified water discharge pipeline.
The utility model has the advantages that firstly, the liquid storage tank utilizes domestic sewage with different properties to carry out self-neutralization decomposition without adding chemical agents manually; secondly, the neutralized drainage can be reused as toilet flushing water; furthermore, the artificial wetland uses natural plants to evolve the water quality, the traditional sewage treatment plant uses a chemical treatment method, sludge containing harmful components and slag are generated in the process, the artificial wetland system has no secondary pollution, and the landscape ornamental value is increased while the water quality evolves. The utility model discloses an applied scale can be based on local resident distribution and gathers the decentrality and consider, can 10 ~ 20 family's sharing in the great range, also can single family branch family use, and equipment investment is few, and it is convenient to maintain, and area is little, and the silt that is rich in organic substance after having fermented can cooperate the planting vegetables in season, additionally brings crops economic benefits.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
The specific implementation mode is as follows:
the following further illustrates the implementation and principles of the present invention with reference to examples and drawings.
A domestic sewage comprehensive treatment and comprehensive utilization system comprises a sewage neutralization system, a sewage treatment system, a garbage fermentation system and an artificial wetland system, wherein the sewage neutralization system comprises a bathroom drainage pipeline 1, a kitchen sewage pipeline 2, a liquid storage tank 4 and a neutralized water and toilet connecting pipeline 8, a visual window 5 is arranged in the liquid storage tank 4, a filtering device 3 is arranged on the upper layer of the liquid storage tank 4, an overflow port 6 is arranged on the upper part of the liquid storage tank 4, and a water replenishing port 7 is arranged on the lower part of the liquid storage tank; the sewage treatment system comprises an overflow port connecting pipeline 9 connected with the overflow port 6 and a toilet discharge pipeline 10 connected with a toilet 11, the overflow port connecting pipeline 9 and the toilet discharge pipeline 10 are connected into a sewage treatment device 12, and the sewage treatment device 12 is also connected with a supernatant discharge pipeline 13 and a sludge discharge pipeline 14; the fermentation system comprises a fermentation tank 16, a kitchen waste fermentation tank inlet pipeline 15, a methane outlet pipeline 17 and a sludge outlet pipeline 18, wherein a sludge discharge pipeline 14 is connected with the fermentation tank 16, and the kitchen waste fermentation tank inlet pipeline 15 is connected with a liquid storage tank 4 and the fermentation tank 16; the artificial wetland system comprises an aquatic plant area 19 and a purified water discharge pipeline 20, wherein the supernatant discharge pipeline 13 is connected with the sewage treatment equipment 12 and the aquatic plant area 19, and the aquatic plant area 19 is connected with the purified water discharge pipeline 20.
The system connects a bathroom drainage pipeline 1 and a kitchen sewage pipeline 2 to a liquid storage tank 4 to treat waste water in rural life, the liquid storage tank 4 can be arranged in an underground space, the basic principle is that more greasy substances exist in kitchen sewage, bathroom drainage contains more alkaline substances, the two kinds of sewage are introduced into the liquid storage tank through a discharge pipe to carry out neutralization reaction, and the alkaline substances decompose the greasy substances to a certain extent. The upper layer of the liquid storage tank 4 is provided with a filtering device 3, so that solid impurities in the sewage, mainly residues such as kitchen waste, hair and the like, are isolated from the upper layer of the liquid storage tank 4 and are periodically manually treated. The upper part of the liquid storage tank 4 is provided with an overflow port 6, and the lower part is provided with a water replenishing port 7. The overflow port 6 is mainly used for maintaining the liquid level in the liquid storage tank 4 within a certain range, and the overflow port 6 is connected with the sewage treatment equipment 12 through a pipeline; the water replenishing port 7 is mainly used for preventing the insufficient domestic sewage yield and the incapability of meeting the water demand for flushing toilets and the like, and can be directly connected with a tap water pipe. The neutralizing and filtering water obtained after the bathroom drainage and the kitchen sewage are neutralized in the liquid storage tank 4 is connected with the water pipeline for the toilet 11 through the pipeline 8, and the water pipeline is mainly used for flushing the toilet, improving the sewage utilization space and increasing the sewage utilization rate. The toilet drainage pipeline 10 and the overflow port connecting pipeline 9 are connected into the sewage treatment equipment 12 together, and the sewage treatment equipment 12 is used for treating toilet flushing drainage to obtain supernatant and precipitate after treatment. The supernatant outlet pipeline 13 flows through the artificial wetland system, the water quality is further improved through the combined action of physics, chemistry and biology of the artificial wetland system, and meanwhile, aquatic plants such as canna, water bamboo, reed, calamus and the like can be planted on the wet land, so that the effect of beautifying the courtyard is achieved.
Residues such as kitchen waste and hair filtered by the filtering device in the liquid storage tank 4 enter a fermentation tank pipeline 15 through the kitchen waste, precipitates obtained after treatment by the sewage treatment equipment 12 are together transferred into a fermentation tank 16 through a sludge discharge pipeline 14 for anaerobic fermentation, and biogas generated by fermentation is conveyed to a domestic gas point such as a kitchen through a biogas outlet pipeline 17, so that the cost of the domestic gas is reduced; in addition, organic matters such as fermented sludge and the like are collected after coming out through the sludge outlet pipeline 18, and can be used as important fertilizer for agricultural vegetable cultivation, so that the crop yield is improved, and the economic benefit is increased.
To sum up, the utility model has the advantages of reasonable design, it is higher to domestic sewage's processing and reuse rate, have higher adaptability and economic nature, have very big market value, be worth extensively promoting.

Claims (1)

1. A domestic sewage comprehensive treatment and comprehensive utilization system is characterized by comprising a sewage neutralization system, a sewage treatment system, a garbage fermentation system and an artificial wetland system, wherein the sewage neutralization system comprises a bathroom drainage pipeline (1), a kitchen sewage pipeline (2), a liquid storage tank (4) and a connecting pipeline (8) for neutralizing water and a toilet, a visual window (5) is arranged in the liquid storage tank (4), a filtering device (3) is arranged on the upper layer of the liquid storage tank (4), an overflow port (6) is arranged on the upper part of the liquid storage tank (4), and a water replenishing port (7) is arranged on the lower part of the liquid storage tank; the sewage treatment system comprises an overflow port connecting pipeline (9) connected with the overflow port (6) and a toilet discharge pipeline (10) connected with a toilet (11), the overflow port connecting pipeline (9) and the toilet discharge pipeline (10) are connected into the sewage treatment equipment (12), and the sewage treatment equipment (12) is also connected with a supernatant discharge pipeline (13) and a sludge discharge pipeline (14); the fermentation system comprises a fermentation tank (16), a kitchen waste fermentation tank inlet pipeline (15), a methane outlet pipeline (17) and a sludge outlet pipeline (18), wherein the sludge discharge pipeline (14) is connected with the fermentation tank (16), and the kitchen waste fermentation tank inlet pipeline (15) is connected with a liquid storage tank (4) and the fermentation tank (16); the artificial wetland system comprises an aquatic plant area (19) and a purified water discharge pipeline (20), wherein the supernatant discharge pipeline (13) is connected with the sewage treatment equipment (12) and the aquatic plant area (19), and the aquatic plant area (19) is connected with the purified water discharge pipeline (20).
CN201920863619.3U 2019-06-10 2019-06-10 Domestic sewage comprehensive treatment and comprehensive utilization system Active CN210261466U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920863619.3U CN210261466U (en) 2019-06-10 2019-06-10 Domestic sewage comprehensive treatment and comprehensive utilization system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920863619.3U CN210261466U (en) 2019-06-10 2019-06-10 Domestic sewage comprehensive treatment and comprehensive utilization system

Publications (1)

Publication Number Publication Date
CN210261466U true CN210261466U (en) 2020-04-07

Family

ID=70041763

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920863619.3U Active CN210261466U (en) 2019-06-10 2019-06-10 Domestic sewage comprehensive treatment and comprehensive utilization system

Country Status (1)

Country Link
CN (1) CN210261466U (en)

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