CN212833289U

CN212833289U - Comprehensive treatment and recycling system for domestic sewage and decomposable garbage

Info

Publication number: CN212833289U
Application number: CN202020981245.8U
Authority: CN
Inventors: 吕洪晨
Original assignee: Yantai Zhendi Energy Saving Technology Co ltd
Current assignee: Yantai Zhendi Energy Saving Technology Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-03-30
Anticipated expiration: 2030-06-02

Abstract

The utility model relates to a comprehensive treatment and recycling system for domestic sewage and decomposable garbage, which comprises a silt sedimentation tank and a sewage and sludge separation tank which are connected in sequence, wherein the sewage and sludge separation tank is connected with a methane tank and a sewage anaerobic hydrolysis fermentation tank, and the methane tank is connected with the sewage anaerobic hydrolysis fermentation tank and a methane storage device; the sewage anaerobic hydrolysis fermentation tank comprises channel tanks connected in series, the channel tanks are downwards inclined from the top to the tail end according to the water flow direction, the bottom of the tank at the tail end of each channel tank is provided with a silt storage well, the upper part of each channel tank is provided with an outlet, each silt storage well of each channel tank is internally provided with a silt pumping halter which is connected with a silt pumping pump through a pipeline and a valve, the top of the sewage anaerobic hydrolysis fermentation tank is provided with a sealing cover, and the sealing cover is provided with a pressure release valve. The utility model provides a treatment facility of sewage and sewage sediment not only is the production facility of marsh gas energy, but also plants grass and plant. But also an artificial natural oxygen bar. The treatment process depends on natural transformation and is a natural process of getting and returning.

Description

Comprehensive treatment and recycling system for domestic sewage and decomposable garbage

Technical Field

The utility model relates to a domestic sewage and decomposable waste's integrated processing recycling system belongs to domestic waste treatment technical field.

Background

The utility model discloses a mosquito killer, which comprises a main body, a plurality of first and second garbage bins, a plurality of first and.

SUMMERY OF THE UTILITY MODEL

The utility model provides a comprehensive treatment recycling device for domestic sewage and decomposable garbage, which reduces the spread of viruses and purifies the living environment of people.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a comprehensive treatment and recycling system for domestic sewage and decomposable garbage is characterized by comprising a silt sedimentation tank and a sewage and sludge separation tank which are sequentially connected, wherein the sewage and sludge separation tank is connected with a methane tank and a sewage anaerobic hydrolysis fermentation tank, and the methane tank is connected with a methane storage device; the anaerobic sewage hydrolysis fermentation pool comprises channel pools which are connected in series, wherein the channel pools incline downwards from the beginning to the tail end according to the water flow direction, the bottom of the tail end of each channel pool is provided with a sludge storage well, the upper part of each channel pool is provided with an outlet, each sludge storage well of each channel pool is internally provided with a sludge pumping halter, the sludge pumping halter is connected with a sludge pumping pump through a pipeline and a valve, the top of the anaerobic sewage hydrolysis fermentation pool is provided with a sealing cover, and the sealing cover is provided with a pressure release valve; a sewage tank is arranged between the sewage and sludge separation tank and the sewage anaerobic hydrolysis fermentation tank.

On the basis of the technical scheme, the utility model discloses a reach the convenience of use and the stability of equipment, can also make following improvement to foretell technical scheme:

furthermore, the bottom and the upper cover of the methane tank are both arc-shaped.

Further, a bottom biogas slurry outlet at the tail end of the biogas digester is communicated with the bottom of the biogas slurry overflow well.

Further, the upper edge of the overflow side of the biogas slurry overflow well is lower than the liquid level of the sewage and sludge separation tank; the overflow side of the biogas slurry overflow well is provided with a movable control plate for controlling the height of the liquid level.

Furthermore, the methane storage device is connected with the methane tank, and the connected pipeline is provided with an air pump.

Furthermore, the outlet of the sediment sedimentation tank is provided with a large-hole blocking net.

Furthermore, the silt sedimentation tank is lower than the outlet of the sewage conveying pipeline, the whole body is wide and shallow, and the inlet is deep and the outlet is shallow.

Further, the sewage and sludge separation tank is arranged at the initial end of the methane tank and is in an inclined funnel shape; the bottom of the sewage and sludge separation tank is connected with the lowest inlet at the beginning end of the methane tank; a large-hole filter screen is arranged on the upper edge of the sewage and sludge separation tank, which is lower than the joint of the methane tank and the sediment sedimentation tank.

Furthermore, a heating pipe is laid at the bottom of the methane tank and is interconnected with the solar water heater and the micro circulating pump.

Furthermore, the methane tank is provided with a stirring device which comprises a methane tank suction pipe and a methane tank discharge pipe which are arranged in the methane tank, the methane tank suction pipe and the methane tank discharge pipe are both connected with a stirring pump, and the pipe orifice of the methane tank discharge pipe points to the outlet of the methane tank.

Furthermore, the silt sedimentation tank is connected with a sewage conveying pipeline.

The utility model has the advantages that: the utility model provides a treatment facility of sewage and sewage sediment not only is the production facility of marsh gas energy, but also plants grass and plant. But also an artificial natural oxygen bar. The treatment process depends on natural transformation and is a natural process of getting and returning.

Drawings

FIG. 1 is a schematic view of a structure from a sediment sedimentation tank to a methane tank in the comprehensive treatment and recycling system for domestic sewage and decomposable garbage;

FIG. 2 is a schematic structural view from a sediment sedimentation tank to a sewage anaerobic hydrolysis fermentation tank in the comprehensive treatment and recycling system for domestic sewage and decomposable garbage;

FIG. 3 is a schematic diagram of a tank body structure of a sewage anaerobic hydrolysis fermentation tank;

FIG. 4 is a schematic diagram of a trench tank;

FIG. 5 is a schematic view of the discrete structure of a silt settling tank and a sewage and sludge separation tank;

FIG. 6 is a schematic view of a heating pipe laid on the biogas digester;

FIG. 7 is a schematic view of the structure from a silt settling tank to a biogas digester.

The reference numbers are recorded as follows: 1-a sewage conveying pipeline, 2-a sediment sedimentation tank, 3-a sewage and sludge separation tank, 4-a methane tank, 5-a methane storage device of the methane tank and 6-a sewage anaerobic hydrolysis fermentation tank; 8-solar water heater, 9-heating pipe, 10-micro circulating pump, 11-garbage input port, 12-sewage discharge header pipe; 13-a sewage tank;

4.1-biogas slurry outlet, 4.2-biogas slurry overflow well, 4.3-movable control plate, 4.4-biogas outlet;

6.1-a channel tank, 6.2-a sealing cover, 6.3-a pressure release valve, 6.4-a silt storage well, 6.5-a silt pumping tap, 6.6-a silt pumping pump, 6.7-an outlet and 6.8-a water outlet tank.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

A comprehensive treatment and recycling system for domestic sewage and decomposable garbage (see the attached figures 1-7) is described as follows:

a sewage conveying pipeline 1 is arranged as a closed special channel independent of a drainage channel for conveying domestic sewage and decomposable biological garbage, a reuse water pipeline is not arranged along the sewage conveying pipeline 1, reuse water can be used for cleaning a garbage feeding port 11 and used as greening water, road surface spraying and the like, septic tanks are not required to be arranged in residential districts and other places, so that odor can be prevented from overflowing, potential safety hazards can be avoided, the domestic sewage can be prevented from being detained, a sewage discharge header pipe at each position is connected with the sewage conveying pipeline, a decomposed garbage feeding port 11 is arranged on a sewage discharge header pipe 12 or the sewage conveying pipeline 1, the decomposition of decomposed domestic garbage and leaves, weeds, crop stalks and the like is borne by a crusher, and a sealing cover for cleaning the feeding port by the reuse water after the operation is finished is used for closing the sealing cover.

Second, domestic sewage and the connection of each link of the comprehensive treatment retrieval and utilization facility of resolvable domestic waste, the exit linkage silt sedimentation tank 2 of defeated dirty pipeline 1, promptly silt sedimentation tank 2 connect defeated dirty pipeline 1, after getting into sewage sludge separation tank 3, the sludge gets into methane-generating pit 4, sewage then gets into sewage anaerobic hydrolysis fermentation tank 6, and the natural pond liquid that comes out from methane-generating pit 4 and the water that goes out from sewage anaerobic hydrolysis fermentation tank 6 through the anaerobic fermentation sterilization, and aerobic bacteria (the germ that lives under the aerobic environment) is killed, and anaerobic bacteria wherein is killed because of exposing in the aerobic environment and the shining of sunshine. In autumn and winter, a plastic heat-insulating greenhouse is covered on the methane tank 4 and the sewage anaerobic hydrolysis fermentation tank 6 to ensure that the processes of hydrolysis fermentation, acidification and methane production are carried out smoothly, the greenhouse can be used for planting or cultivation, the produced methane can be input into a natural gas supply system and enters thousands of households, the methane liquid can be used as organic fertilizer of plants, water and rainwater which are discharged from the sewage anaerobic hydrolysis fermentation tank 6 and are subjected to anaerobic sterilization and purification flow to an artificial wetland for further filtration and precipitation and then enter a recycling reservoir, aquatic plants such as reeds and water plants are planted on the artificial wetland to absorb harmful substances such as heavy metals in the water, aquatic organisms such as fishes and shrimps are released, and the water quality is further purified. The periphery of the wetland can be used for raising chickens and ducks, and excrement of the chickens and the ducks can be used as bait for small fishes and shrimps; and the wetland insects and the small fishes and shrimps also become the delicious food of the chickens and the ducks. Such a perfect ecological cycle chain is formed.

And thirdly, a structure and a device of a domestic sewage decomposable domestic garbage treatment and reuse facility system.

1. A sewage conveying pipeline 1, reuse water, a pressure tank and a pipeline, a garbage throwing-in opening and a crusher are arranged.

2. The structure of the silt sedimentation tank 2, the sewage and sludge separation tank 3, the methane tank 4 and the sewage anaerobic hydrolysis fermentation tank 6 is as follows:

the sediment sedimentation tank 2 is lower than the outlet of the sewage conveying pipeline 1, the whole body is wide and shallow, the inlet is deep and the outlet is shallow, sediment sedimentation is guaranteed, and the outlet is provided with a large-hole blocking net to prevent non-decomposable sundries from entering the sewage and sludge separation tank 3.

The sewage and sludge separation tank 3 is arranged at the beginning end of the methane tank 4 and is in an inclined funnel shape. The sewage and sludge separation tank 3 is connected with the lowest inlet at the beginning end of the methane tank 4; a large-hole filter screen is arranged at the upper edge of the sewage and sludge separation tank 3, which is lower than the joint of the methane tank 4 and the sediment sedimentation tank 2, so as to ensure that the sludge is trapped in the tank and the sewage is discharged out of the tank; the sewage slag enters a methane tank 4, and the sewage enters a sewage anaerobic hydrolysis fermentation tank 6.

The bottom and the upper cover of the methane tank 4 are both arc-shaped, and have enough width and length to ensure the capacity, and the three processes of hydrolytic fermentation, acidification and methane production are fully completed. The bottom of the methane tank 4 is communicated with the bottom of a methane liquid overflow well 4.2 through a methane liquid outlet 4.1, and the outlet of the methane liquid overflow well 4.2 is lower than the liquid level of the sewage and sludge separation tank 3, so that the sewage and sludge can continuously enter the methane tank 4 and enter the storage tank 4.4 after overflowing. The biogas slurry can be sent to a farther place from the storage tank 4.4 through a pipeline to be used as organic fertilizer for plants, the overflow amount of the biogas slurry is controlled by the movable control plate 4.3 on the overflow outlet side of the biogas slurry overflow well 4.2, so that the sewage residue is controlled to completely enter the biogas digester 4, and the sewage is prevented from entering the biogas digester 4. The upper cover at the tail end of the methane tank 4 is provided with a methane outlet 4.4.

The sewage anaerobic hydrolysis fermentation tank 6 adopts a reciprocating canal tank 6.1 connecting structure, the whole cover is sealed by 6.2, a pressure relief valve 6.3 is arranged on the cover seal 6.2, and the internal and external air pressures are ensured to be equal. Each gutter pool 6.1 slopes downwardly from the beginning to the end in the direction of water flow. The bottom of the tail end tank is provided with a silt storage well 6.4 used for storing the dirt generated in the hydrolysis fermentation purification process, the upper part of the tail end is provided with an outlet 6.7 which is the inlet of the initial end of the next channel tank 6.1, the silt pumping cage 6.5 is arranged in the silt storage well 6.4 at the tail end of each channel tank 6.1 and is connected with a silt pumping pump 6.6 through a pipeline and a valve, and the settled dirt is pumped into the methane tank 4 at regular time. A sewage tank 13 is arranged between the sewage and sludge separation tank 3 and the sewage anaerobic hydrolysis fermentation tank 6; sewage flows from the sewage and sludge separation tank 3 to the sewage tank 13 through the fine filter screen and then enters the sewage anaerobic hydrolysis fermentation tank.

A solar hot water heating device of a methane tank.

A heating pipe 9 similar to a floor heater is laid at the bottom of the methane tank 4 and is interconnected with a solar water heater 8 and a micro circulating pump 10, so that the temperature of the dirt in the methane tank 4 is increased, the speed of three processes of hydrolytic fermentation, acidification and methane production is accelerated, the treatment time is shortened, and the gas production is improved.

A stirring device of the methane tank 4.

Stirring the hydrolytic fermentation, acidification and gas production stages in the methane tank at regular time. Each section is provided with a methane tank suction pipe 4.5 and a methane tank discharge pipe 4.6, the discharge outlet of the methane tank discharge pipe of each section is positioned at the bottom of the methane tank, the direction of the discharge outlet points to the outlet of the methane tank, and the suction inlet of the methane tank suction pipe is positioned at a certain position below the liquid level at the tail end of each section. The purpose of agitation is also to increase the processing speed and increase the gas production. And can prevent clogging and ensure the cyclic use of the three stages. The stirring pump and the sludge pump can be borne by the same pump and are controlled by valves and pipelines.

The methane storage device 5 is connected with the methane tank 4.

According to the air pressure in the methane tank, methane in the tank is pumped into a gas storage tank of the gas storage device 5 through a gas outlet, a pipeline and a gas pump at any time, and then is input into a natural gas supply system to be conveyed to thousands of households.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A comprehensive treatment and recycling system for domestic sewage and decomposable garbage is characterized by comprising a silt sedimentation tank (2) and a sewage and sludge separation tank (3) which are sequentially connected, wherein the sewage and sludge separation tank (3) is connected with a methane tank (4) and a sewage anaerobic hydrolysis fermentation tank (6), and the methane tank (4) is connected with a methane storage device (5); the sewage anaerobic hydrolysis fermentation tank (6) comprises channel tanks (6.1) which are connected in series, the channel tanks (6.1) are inclined downwards from the beginning to the tail end according to the water flow direction, the bottom of the tail end of each channel tank (6.1) is provided with a silt storage well (6.4), the upper part of each channel tank (6.1) is provided with an outlet (6.7), silt pumping cages (6.5) are arranged in the silt storage wells (6.4) of each channel tank (6.1), the silt pumping cages (6.5) are connected with a silt pumping pump (6.6) through pipelines and valves, the top of the sewage anaerobic hydrolysis fermentation tank (6) is provided with a sealing cover (6.2), and the sealing cover (6.2) is provided with a pressure release valve (6.3); a sewage tank (13) is arranged between the sewage and sludge separation tank (3) and the sewage anaerobic hydrolysis fermentation tank (6).

2. The comprehensive treatment and recycling system for domestic sewage and decomposable garbage according to claim 1, wherein the bottom and the upper cover of the methane tank (4) are both arc-shaped.

3. The comprehensive treatment and recycling system for domestic sewage and decomposable garbage according to claim 2, wherein a bottom biogas slurry outlet (4.1) at the end of the biogas digester (4) is communicated with the bottom of a biogas slurry overflow well (4.2); the upper edge of the overflow side of the biogas slurry overflow well (4.2) is lower than the liquid level of the sewage and sludge separation tank (3); the overflow side of the biogas slurry overflow well (4.2) is provided with a movable control plate (4.3) for controlling the height of the liquid level.

4. The comprehensive treatment and recycling system for domestic sewage and decomposable garbage according to claim 1, wherein the biogas storage device (5) is connected with the biogas digester (4), and a gas pump is arranged on a pipeline connected with the biogas storage device; the methane storage device (5) is connected with a natural gas pipeline system through a pipeline.

5. The comprehensive treatment and recycling system for domestic sewage and decomposable garbage according to claim 1, wherein the outlet of the silt settling tank (2) is provided with a large-hole blocking net.

6. The system for comprehensively treating and recycling domestic sewage and decomposable garbage according to claim 5, wherein the silt settling tank (2) is lower than the outlet of the sewage conveying pipeline (1), is wide and shallow in whole, and is deep at the inlet and shallow at the outlet.

7. The comprehensive treatment and recycling system for domestic sewage and decomposable garbage according to claim 1, wherein the sewage-sludge separation tank (3) is arranged at the beginning of the biogas digester (4) and has an inclined funnel shape; the bottom of the sewage and sludge separation tank (3) is connected with the lowest inlet at the beginning end of the methane tank (4); a large-hole filter screen is arranged at the joint of the upper edge of the sewage and sludge separation tank (3) and the lower edge of the sewage and sludge separation tank (4) and the sediment sedimentation tank (2).

8. The comprehensive treatment and recycling system for domestic sewage and decomposable garbage according to claim 1, wherein a heating pipe (9) is laid at the bottom of the biogas generating pit (4), and the heating pipe (9) is interconnected with a solar water heater (8) and a micro-circulation pump (10).

9. The comprehensive treatment and recycling system for domestic sewage and decomposable garbage according to claim 1, wherein the biogas digester is provided with a stirring device comprising a biogas digester suction pipe (4.5) and a biogas digester discharge pipe (4.6) arranged in the biogas digester, the biogas digester suction pipe (4.5) and the biogas digester discharge pipe (4.6) are both connected with a stirring pump, and the pipe orifice of the biogas digester discharge pipe (4.6) points to the outlet of the biogas digester.

10. The comprehensive treatment and recycling system for domestic sewage and decomposable garbage according to claim 1, wherein the silt settling tank (2) is connected with the sewage conveying pipeline (1).