CN205170613U - Domestic sewage integration processing system - Google Patents

Abstract

The utility model discloses an integrated domestic sewage treatment system, which is characterized in that it comprises a grid well, the grid well is connected with an anaerobic reactor, the anaerobic reactor is connected with a sedimentation tank, and the sedimentation The tank is connected to the sludge tank and the air flotation system, the air flotation system is connected to the sludge tank and the disinfection tank, the disinfection tank is connected to the reuse pool, and the sedimentation tank is also provided with a return system connected to the anaerobic reactor, The utility model can treat the domestic sewage in the community on the spot, and treat the sewage to the level of reuse, which can not only effectively solve the dilemma that the processing capacity of the existing municipal sewage treatment plants is increasingly insufficient, but also save water. Has a great relief effect.

Description

An integrated domestic sewage treatment system

technical field

The utility model relates to the technical field of domestic sewage treatment, in particular to an integrated domestic sewage treatment system.

Background technique

A residential area is a relatively independent area with one or more functions, including residential quarters, hospitals, parks, tourist resorts, etc. in the usual sense. The hourly variation coefficient of water quality and water volume is large, and the concentration of pollutants is usually lower than that of urban sewage. , the sewage has good biodegradability and less difficulty in treatment; and because its pollution source is relatively simple, from the perspective of treatment technology and treatment cost, it has relative technical feasibility and high reuse value. After enhanced treatment and disinfection, it can meet the general reuse requirements of residential sewage.

Contents of the invention

The technical problem to be solved by the utility model is to provide an integrated domestic sewage treatment system.

In order to achieve the above object, the technical scheme that the utility model takes is:

An integrated treatment system for domestic sewage, characterized in that it includes a grid well, the grid well is connected to an anaerobic reactor, the anaerobic reactor is connected to a sedimentation tank, and the sedimentation tank is connected to a sludge tank and an air flotation system, the air flotation system is connected to the sludge tank and the disinfection tank, the disinfection tank is connected to the reuse pool, the sedimentation tank is also provided with a return system connected to the anaerobic reactor, and the air flotation The system includes an air flotation tank and a water inlet pipe arranged on the air flotation tank. A slag scraping belt is arranged above the air flotation tank. The two ends of the slag scraping belt are respectively connected to the first rotating shaft and the second rotating shaft. One is connected to the drive shaft of the motor, and a slag scraper is provided under the slag scraper belt, and the slag scraper is connected to the drive shaft of the motor through the belt 2, and several scrapers are arranged on the slag scraper, and the The bottom of the air flotation tank is provided with several air inlet pipes, and the air inlet pipes are provided with release heads.

As a preference, a drainage pipe is further provided on one side of the air flotation pool.

As a preference, the first rotating shaft can be adjusted in height up and down.

As a preference, a slag collection tank for collecting scum is provided under the slag scraper.

Preferably, the air intake pipe is connected to an air pump.

Preferably, the release head includes a neck, an end arranged at the front end of the neck, and an installation end arranged at the rear end of the neck, an inclined surface is provided inside the installation end, and a washer is arranged on the inclined surface. A fastener is provided above the washer, a sealing ring is provided above the fastener, an internal thread for connecting the pipeline is provided on the inner wall of the installation end, and a first pressure-reducing valve is provided in the neck. A net, a second pressure-reducing net is provided inside the end, and a number of air outlets are provided on the cover of the end.

Preferably, the lower end of the fastener is matched with the inclined surface, and several openings are arranged on the fastener.

Preferably, the lower end of the sealing ring is narrowed and matched with the inner diameter of the fastener.

Preferably, the diameter of the end portion is larger than the diameter of the neck portion.

The domestic sewage integrated treatment system described in the utility model makes up for the deficiencies of the existing technology, can treat the domestic sewage in the community on the spot, and treat the sewage to the level of reuse, which can effectively solve the existing municipal sewage treatment The predicament of the increasingly insufficient processing capacity of the plant can also save water, which has a great effect on alleviating the current situation of water shortage in my country.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the structural representation of air flotation system in the utility model;

Fig. 3 is a structural schematic diagram of the release head in the utility model.

detailed description

Below in conjunction with accompanying drawing and example the utility model is described further.

As shown in the figure, an integrated domestic sewage treatment system is characterized in that it includes a grid well, the grid well is connected to an anaerobic reactor, the anaerobic reactor is connected to a sedimentation tank, and the sedimentation The tank is connected to the sludge tank and the air flotation system, the air flotation system is connected to the sludge tank and the disinfection tank, the disinfection tank is connected to the reuse pool, and the sedimentation tank is also provided with a return system connected to the anaerobic reactor, The air flotation system includes an air flotation tank 201, a water inlet pipe 202 arranged on the air flotation tank 201, a slag scraping belt 204 is arranged above the air flotation tank 201, and the two ends of the slag scraping belt 204 are respectively connected to a rotating shaft 203 and rotating shaft two 207, the second rotating shaft 207 is connected to the transmission shaft 210 of the motor 211 through the first belt, the slag scraper 205 is arranged below the slag scraping belt 204, and the slag scraper 205 is connected to the motor through the second belt 209 211 of the drive shaft 210, the slag scraper 205 is provided with a number of scrapers 206, the bottom of the air flotation pool 201 is provided with a number of air inlet pipes 214, the air inlet pipe 214 is provided with a release head, the air One side of the floating pool 201 is also provided with a drainage pipe 213, the first rotating shaft 203 can adjust the height up and down, the scum collecting tank 212 for collecting scum is provided under the slag scraper 205, and the air inlet pipe 214 is connected to the air pump , the release head includes a neck 301, an end 310 located at the front end of the neck 301, an installation end 303 located at the rear end of the neck 301, and an inclined surface 302 is provided in the installation end 303, and the inclined surface 302 A washer 308 is arranged on the top of the washer 308, a fastener 307 is arranged above the washer 308, a sealing ring 305 is arranged above the fastener 307, and an internal thread 304 for connecting the pipe is arranged on the inner wall of the installation end 303 , the neck 301 is provided with a first decompression net 309, the end 310 is provided with a second decompression net 312, and the cover of the end 310 is provided with a number of air outlets 311, The lower end of the fastener 307 is matched with the inclined surface 302, the fastener 307 is provided with several openings 306, the lower end of the sealing ring 305 is narrowed and matched with the inner diameter of the fastener 307, and the end 310 The diameter is greater than the diameter of the neck 301.

In the actual studio, the domestic wastewater in the community is gathered into the grid well through pipelines, and some large debris is separated and removed through the grid well, and then the wastewater is pumped into the anaerobic reactor for preliminary treatment. The water after anaerobic treatment Then it is discharged into the sedimentation tank for sedimentation, and the settled sludge is discharged into the sludge tank, and the water enters the air flotation system, while part of the sewage flows back into the anaerobic reactor for further treatment, and then enters the air flotation system for impurity removal. The water enters the disinfection tank for disinfection, and the scum discharged from the air flotation system also enters the sludge tank. Drugs can be added to the disinfection tank to disinfect the water, and then the water is poured into the reuse pool for the community. Although the water cannot be eaten by users, it can basically achieve the purpose of cleaning items and watering plants, which greatly relieves the pressure of domestic water and saves water resources.

When the air flotation system is working, the release head at the bottom of the air flotation tank generates air bubbles, which fuse with impurities in the water and bring them to the water surface, and then these impurities are absorbed and taken away by the scraping belt. The scraping belt is driven by the motor. When the motor When the slag scraper is driven to move counterclockwise, the slag scraper is driven to move counterclockwise at the same time, and the scraper on the slag scraper will clean the slag scraper at the same time, saving manpower and time.

The release head is installed on the pipe through the internal thread of the installation end. When the thread is tightened, the fastener receives the extrusion of the pipe and moves downward. Due to the existence of the inclined surface, the fastener draws inward and squeezes the sealing ring. At the same time, the lower end and the gasket Compression, double sealing, to prevent air leakage, when the gas is released, it passes through the first decompression net and the second decompression net, and then is discharged from the gas outlet, so as to obtain sufficient decompression and energy dissipation, and ensure the fineness of the bubbles. The design of the air port ensures the number of air bubbles, and removes impurities better.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model are all included in the utility model. within the scope of protection.

Claims (9)

1. An integrated treatment system for domestic sewage, characterized in that: it comprises a grid well, and the described grid well is connected to an anaerobic reactor, and the described anaerobic reactor is connected to a settling tank, and the said settling tank is connected to a sewage Mud tank and air flotation system, the air flotation system is connected to the sludge tank and the disinfection tank, the disinfection tank is connected to the reuse water tank, and the sedimentation tank is also provided with a reflux system connected to the anaerobic reactor. The air flotation system comprises an air flotation tank (201), an inlet pipe (202) located on the air flotation tank (201), and a slag scraping belt (204) is arranged above the air flotation tank (201), and the slag scraping belt ( 204) The two ends are respectively connected to the first rotating shaft (203) and the second rotating shaft (207), the second rotating shaft (207) is connected to the drive shaft (210) of the motor (211) through the first belt, and the slag scraping belt (204) A slag scraper (205) is provided below, and the slag scraper (205) is connected to the transmission shaft (210) of the motor (211) through a belt 2 (209). The slag scraper (205) is provided with several A scraper (206), a number of air inlet pipes (214) are arranged at the bottom of the air flotation pool (201), and a release head is arranged on the air inlet pipe (214). 2. An integrated domestic sewage treatment system according to claim 1, characterized in that a drainage pipe (213) is further provided on one side of the air flotation tank (201). 3. An integrated domestic sewage treatment system according to claim 1, characterized in that the height of the first rotating shaft (203) can be adjusted up and down. 4. An integrated domestic sewage treatment system according to claim 1, characterized in that a scum collecting tank (212) for collecting scum is provided below the scum scraper (205). 5. An integrated domestic sewage treatment system according to claim 1, characterized in that the air inlet pipe (214) is connected to an air pump. 6. An integrated domestic sewage treatment system according to claim 1, characterized in that the release head includes a neck (301), an end (310) at the front end of the neck (301), a The installation end (303) of the rear end of the neck (301), the installation end (303) is provided with a slope (302), the slope (302) is provided with a gasket (308), and the gasket (308 ) is provided with a fastener (307), above the fastener (307) is provided with a sealing ring (305), and the inner wall of the installation end (303) is provided with an internal thread (304) for connecting the pipeline , the neck (301) is provided with a first decompression net (309), the end (310) is provided with a second decompression net (312), and the end (310) Several air outlets (311) are arranged on the cover. 7. An integrated domestic sewage treatment system according to claim 6, characterized in that the lower end of the fastener (307) matches the inclined surface (302), and several openings are provided on the fastener (307) (306). 8. An integrated domestic sewage treatment system according to claim 6, characterized in that the lower end of the sealing ring (305) is narrowed and matches the inner diameter of the fastener (307). 9. An integrated domestic sewage treatment system according to claim 6, characterized in that the diameter of the end (310) is larger than the diameter of the neck (301).