CN104860442A - Rotary sieve filtering device applied to sewage treatment - Google Patents

Abstract

The invention discloses a rotary sieve filtering device applied to sewage treatment. The rotary sieve filtering device comprises a coarse filtering tank, an adjusting tank and a refined filtering device, wherein the coarse filtering tank is connected with the adjusting tank through a pipeline, and the adjusting tank is connected with the refined filtering device through a pipeline; a coarse grid machine is arranged in the coarse filtering tank and can filter out impurities with larger particle sizes and pollutants in sewage, and the situation that a pump body is damaged after sewage enters the pump body is prevented; a stirring device and an aeration device are arranged in the adjusting tank, the quality of the sewage filtered by the coarse grid machine can be homogenized through the adjusting tank, and meanwhile, the flow of the sewage can be adjusted, so that preparations are made for later refined filtering work of the refined filtering device. The rotary sieve filtering device is reasonable in design and can effectively filter the sewage.

Description

Rotary sieve filter device for sewage treatment

technical field

The invention belongs to the technical field of sewage treatment equipment, and in particular relates to a rotary sieve filter device applied to sewage treatment.

Background technique

Sewage treatment is the process of purifying sewage to meet the water quality requirements for reuse. Sewage treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering, etc., and it is also increasingly entering the daily life of ordinary people. The progress and development of modern society are inseparable from water resources. According to the classification of sewage sources, sewage treatment is generally divided into production sewage treatment and domestic sewage treatment. Production sewage includes industrial sewage, agricultural sewage and medical sewage, etc., while domestic sewage is the sewage generated in daily life, which refers to the complex mixture of various forms of inorganic and organic substances.

At present, the sources of sewage water in the sewage treatment center are very complicated, and the water quality is various. The sewage includes floating and suspended solid particles of large and small sizes, colloidal and gel-like diffusers, and sediment and metal particles with large specific gravity. . If these particles and garbage are not cleaned up in time, the sewage treatment equipment will be blocked quickly, such as the lifting pump, feeding pump, heater, anaerobic reactor inlet pipe, etc. will be blocked, and it will be necessary to stop for cleaning, which will seriously affect production Normal operation, causing huge losses to the system. Therefore, it is necessary to install a filter device to clean up the garbage in the sewage, so as to ensure the normal operation of sewage treatment and production.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies of the prior art and provide a rotary sieve filter device for sewage treatment.

The present invention adopts following technical scheme to realize:

A rotary sieve filter device applied to sewage treatment includes a coarse filter tank, a regulating tank and a fine filter device, the coarse filter tank is connected to the regulating tank through a pipeline, and the regulating tank is connected to the fine filtering device through a pipeline;

A coarse grille machine is arranged in the coarse filter, and the coarse grille machine can filter out impurities and pollutants with large particles in the sewage, so as to prevent the pump body from being damaged when the sewage enters the pump body;

The inside of the adjusting tank is equipped with agitator and aeration device, through which the water quality of the sewage filtered by the coarse grid machine can be made uniform, and the flow of the sewage can be adjusted at the same time, so as to do a good job for the subsequent fine filtering work of the fine filtering device. ready;

The fine filter device includes an outer cylinder, the inside of the outer cylinder is horizontally provided with a partition, and the partition is airtightly connected with the inner wall of the outer cylinder; a filter cartridge is arranged coaxially inside the outer cylinder, and the filter cartridge is a cylindrical structure with uniform A filter hole (not shown in the figure) is provided, the top of the filter cartridge is airtightly connected to the top of the outer cylinder, the bottom of the filter cartridge is airtightly connected to the partition, and an opening is provided at the connection between the partition and the bottom of the filter cartridge; the filter cartridge A rotating shaft tube is coaxially arranged inside, the rotating shaft tube is a hollow tube structure, a sewage outlet is arranged on the top of the rotating shaft tube, a sewage suction pipe is arranged on the rotating shaft tube, and the sewage suction pipe is connected with the rotating shaft tube A cleaning brush is also fixed on the top, and the cleaning brush is in contact with the inner wall of the filter cartridge; the bottom end of the rotating shaft tube is fixedly equipped with a stirring paddle, and the top of the rotating shaft tube is fixed with a second gear, which is connected with the first gear fixed on the motor. The gears are matched; the bottom of the outer cylinder is provided with a sewage water inlet, and the side wall of the outer cylinder is provided with a clean water outlet.

In the above technical solution, the diameter of the filter hole is 0.1mm-2mm.

In the above technical solution, the bottom of the outer cylinder is hemispherical.

In the above technical solution, the sewage suction pipes are equidistantly arranged on the rotating shaft pipe.

In the above technical solution, a valve is provided in the pipeline connecting the coarse filter tank and the adjustment tank.

In the above technical solution, a valve is provided on the pipe connecting the adjustment tank to the fine filter device.

The design of the invention is reasonable, and the coarse grid machine in the coarse filter tank filters out impurities and pollutants with large particles in the sewage; then the sewage enters the regulating tank, and the regulating tank can make the sewage water quality even after being filtered by the coarse grid machine , and adjust the flow of sewage at the same time; then the sewage enters the interior of the outer cylinder from the sewage water inlet of the fine filter device, the filter cylinder filters the sewage, and the filtered clean water is discharged from the clean water outlet. At the same time, the motor drives the rotating shaft tube to rotate through the gear, and the rotating shaft tube drives the sewage suction pipe and cleaning brush to clean the inner wall of the filter cartridge. The filtered sludge and impurities enter from the sewage suction pipe and are discharged from the sewage outlet to prevent the filter cartridge from clogging; The motor drives the stirring blades to move, and the agitation of the rotating blades can prevent impurities with a large specific gravity in the sewage from depositing at the bottom.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a structural schematic diagram of the fine filter device in the present invention.

Among them, a is the coarse filter tank, a-1 is the coarse grid machine, b is the regulating tank, b-1 is the agitator, b-2 is the aeration device, c is the fine filter device, 1 is the outer cylinder, and 2 is the Clear water outlet, 3 is the sewage inlet, 4 is the filter cartridge, 5 is the opening, 6 is the stirring blade, 7 is the rotating shaft tube, 7-1 is the sewage outlet, 7-2 is the second gear, 8 is the sewage suction pipe , 9 is a cleaning brush, 10 is a motor, 10-1 is a first gear, and 11 is a dividing plate.

Detailed ways

The technical solutions of the present invention will be further described below in conjunction with specific embodiments.

As shown in accompanying drawing 1, a kind of rotary sieve filter device that is applied to sewage treatment according to the present invention comprises coarse filter tank a, adjustment tank b and fine filter device c, and described coarse filter tank a passes pipeline and adjustment tank b connected, and the adjustment pool b is connected to the fine filter unit c through pipelines;

The rough filter tank a is provided with a coarse grille machine a-1, and the coarse grille machine a-1 can filter out impurities and pollutants with large particles in the sewage, so as to prevent the pump body from being damaged when the sewage enters the pump body;

The inside of the adjustment tank b is equipped with a mixer b-1 and an aeration device b-2, through which the water quality of the sewage filtered by the coarse grid machine a can be uniformed, and the flow of the sewage can be adjusted at the same time, so as to provide the subsequent The fine filtration work of the fine filter device c is ready;

As shown in accompanying drawing 2, described fine filter device c comprises outer cylinder 1, and the interior of outer cylinder is horizontally provided with partition 11, and partition is airtightly connected with outer cylinder inner wall; It is a cylindrical structure, and filter holes (not shown in the figure) are evenly arranged on the wall of the cylinder. An opening 5 is provided at the joint of the end; a rotating shaft tube 7 is coaxially arranged inside the filter cartridge, and the rotating shaft tube 7 is a hollow tube structure. The top of the rotating shaft tube 7 is provided with a sewage outlet 7-1, and the rotating shaft tube 7 is provided with There is a sewage suction pipe 8, and the sewage suction pipe 8 is connected with the rotating shaft tube 7, and a cleaning brush 9 is fixedly arranged on the sewage suction pipe 8, and the cleaning brush 9 is in contact with the inner wall of the filter cartridge; the bottom end of the rotating shaft tube 7 is fixedly arranged Stirring paddle 6 is arranged, and second gear 7-2 is fixed on the top of rotating shaft tube 7, and second gear 7-2 cooperates with the first gear fixed on the motor 10; A clear water outlet 2 is arranged on the side wall of the barrel.

The diameter of the filter hole is 0.1mm-2mm.

The bottom of the outer cylinder is hemispherical.

The sewage suction pipes 8 are arranged on the rotating shaft pipe 7 at equal intervals.

A valve is provided on the pipe connecting the coarse filter tank a to the adjustment tank b.

A valve is provided on the pipe connecting the adjustment tank b to the fine filter device c.

When in use, the coarse screen machine a-1 in the coarse filter tank a filters out impurities and pollutants with large particles in the sewage; then the sewage enters the regulating tank, and the regulating tank can make the sewage filtered by the coarse screen machine a The water quality is homogenized, and the flow of sewage is adjusted at the same time, so as to prepare for the fine filtration work of the subsequent fine filtration device c; then the sewage enters the interior of the outer cylinder from the sewage water inlet of the fine filtration device c, and the filter cartridge filters the sewage and filters The final clean water is discharged from the clean water outlet. At the same time, the motor drives the rotating shaft tube 7 to rotate through the gear, and the rotating shaft tube drives the sewage suction pipe 8 and the cleaning brush 9 to clean the inner wall of the filter cartridge. Discharge to prevent the filter cartridge from clogging; the motor drives the stirring blades to move, and the agitation of the rotating blades can prevent impurities with a large specific gravity in the sewage from depositing at the bottom.

The present invention has been described as an example above, and it should be noted that, without departing from the core of the present invention, any simple deformation, modification or other equivalent replacements that can be made by those skilled in the art without creative labor all fall within the scope of this invention. protection scope of the invention.

Claims (6)

1. A rotary sieve filter device applied to sewage treatment, characterized in that: it comprises a coarse filter tank, a regulating tank and a fine filter device, the coarse filter tank is connected to the regulating tank by a pipeline, and the regulating tank is connected to the fine filtering device by a pipeline connected; A coarse grid machine is arranged in the coarse filter tank; An agitator and an aeration device are arranged inside the regulating tank; The fine filter device includes an outer cylinder, the inside of the outer cylinder is horizontally provided with a partition, and the partition is airtightly connected with the inner wall of the outer cylinder; a filter cartridge is arranged coaxially inside the outer cylinder, and the filter cartridge is a cylindrical structure with uniform Filter holes are provided, the top of the filter cartridge is airtightly connected to the top of the outer cylinder, the bottom of the filter cartridge is airtightly connected to the partition, and the connection between the partition and the bottom of the filter cartridge is provided with an opening; the interior of the filter cartridge is coaxially provided with a rotating shaft The rotating shaft tube is a hollow tube structure, the top of the rotating shaft tube is provided with a sewage outlet, the rotating shaft tube is provided with a sewage suction pipe, and the sewage suction pipe is connected with the rotating shaft tube, and a cleaning brush is also fixed on the sewage suction pipe , the cleaning brush is in contact with the inner wall of the filter cylinder; the bottom end of the rotating shaft tube is fixed with a stirring blade, the top of the rotating shaft tube is fixed with a second gear, and the second gear matches the first gear fixed on the motor; the bottom of the outer cylinder A sewage water inlet is arranged, and a clear water outlet is arranged on the side wall of the outer cylinder. 2. The rotary sieve filter device for sewage treatment according to claim 1, characterized in that: the diameter of the filter holes is 0.1mm-2mm. 3. The rotary sieve filter device for sewage treatment according to claim 1, characterized in that: the bottom of the outer cylinder is hemispherical. 4. The rotary sieve filter device for sewage treatment according to claim 1, characterized in that: the sewage suction pipes are arranged on the rotating shaft pipe at equal intervals. 5. The rotary sieve filter device for sewage treatment according to claim 1, characterized in that: a valve is provided in the pipeline connecting the coarse filter tank and the adjustment tank. 6 . The rotary sieve filter device for sewage treatment according to claim 1 , characterized in that: a valve is provided in the pipe connecting the adjustment tank to the fine filter device. 7 .