CN104860477A - Efficient garbage resource treatment sewage purification system - Google Patents

Abstract

The invention discloses a high-efficiency garbage recycling treatment sewage purification system which comprises a rough filtration tank, an adjusting tank, a fine filtration device, a solid-liquid separation device and a wastewater aerobic biological treatment device, wherein the rough filtration tank is connected with the adjusting tank through a pipeline, the adjusting tank is connected with the fine filtration device through a pipeline, and the fine filtration device is respectively connected with a solid-liquid separator and the wastewater aerobic biological treatment device through pipelines. The coarse filter tank can filter impurities and pollutants with larger particles in the sewage; the regulating tank can homogenize the quality of the sewage after rough filtration and simultaneously regulate the flow of the sewage, so that preparation is made for the fine filtration work of a subsequent fine filtration device, and the wastewater aerobic biological treatment device decomposes organic matters in the sewage; the invention has reasonable design and can effectively purify the sewage.

Description

Efficient garbage resource treatment sewage purification system

technical field

The invention belongs to the technical field of sewage treatment equipment, and in particular relates to a sewage purification system for high-efficiency garbage resource 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 diverse, 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 object of the present invention is to overcome the deficiencies of the prior art, and provide a highly efficient garbage resource treatment sewage purification system.

The present invention adopts following technical scheme to realize:

A high-efficiency garbage resource treatment sewage purification system includes a coarse filter tank, a regulating tank, a fine filter device, a solid-liquid separator, and an aerobic biological treatment device for wastewater. The coarse filter tank is connected to the regulating tank through a pipeline, and the regulating tank is It is connected with the fine filter device, and the fine filter device is respectively connected with the solid-liquid separator and the wastewater aerobic biological treatment device through pipelines.

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 Filter holes (not shown in the figure) are provided, the top of the filter cartridge is airtightly connected with the top of the outer cylinder, the bottom of the filter cartridge is airtightly connected with the partition, and the connection between the partition and the bottom of the filter cartridge is provided with an opening; 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;

The function of the solid-liquid separator is to further separate the mixture of sludge, impurities and water filtered out of the fine filter device into solid-liquid, drain the water, and dry the sludge and impurities for easy transportation;

The wastewater aerobic biological treatment device includes a device shell, an aerobic biological feeding device, a ventilation device, a filter grid and a sewage oxygen content detection device, and the filter grid is arranged in the middle of the device shell, The filter grid adopts a hollow cylindrical structure, the upper part of the device housing is provided with a water inlet, the bottom of the filter grid is provided with a water outlet, and the oxygen content detection device in the sewage is provided inside the device housing. The aerobic organism feeding device includes a first feeding device and a second feeding device, the first feeding device is arranged at the connection between the device shell and the filter grid, and the first feeding device is used to feed the device Aerobic organisms are put into the shell, the second feeding device is arranged inside the filter grid, the second feeding device is used to put aerobic organisms into the filter grid, and the ventilation device includes an oxygen pump , an oxygen inlet pipeline and an oxygen outlet pipeline, the oxygen inlet pipeline is arranged on one side between the device casing and the filter grille, and the depth of the oxygen inlet pipeline extending into the device casing is less than or equal to The length of the device casing, the oxygen outlet pipeline is arranged on the other side between the device casing and the filter grid, the oxygen pump is connected to the oxygen inlet pipeline, and the oxygen content in the sewage The output end of the detection device is connected with the power switch of the oxygen pump; a sediment discharge port is also arranged at the bottom of the device shell.

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 outer cylinder from the sewage inlet of the fine filter device, the filter cylinder filters the sewage, and the filtered clean water is discharged from the clean water outlet to the wastewater aerobic biological treatment device; at the same time, the motor The gear drives the rotating shaft tube to rotate, 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 the solid-liquid separator. The separator discharges the water in the sludge, which facilitates the transportation of the sludge and prevents the filter cartridge from being blocked; the motor drives the stirring blades to move, and the stirring of the rotating blades can prevent impurities with a large proportion 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.

Fig. 3 is a structural schematic diagram of the wastewater aerobic biological treatment 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, d is the solid-liquid separator, e is a waste water aerobic biological treatment device, 1 is an outer cylinder, 2 is a clear water outlet, 3 is a sewage water inlet, 4 is a filter cartridge, 5 is an opening, 6 is a stirring blade, 7 is a rotating shaft tube, 7-1 is the sewage outlet, 7-2 is the second gear, 8 is the sewage suction pipe, 9 is the cleaning brush, 10 is the motor, 10-1 is the first gear, 11 is the partition, e-1 is the device shell, e-2 is Filter grid, e-3 is the oxygen content detection device in sewage, e-4 is the water inlet, e-5 is the water outlet, e-6 is the first feeding device, e-7 is the second feeding device, e-8 It is the oxygen inlet pipeline, and e-9 is the oxygen outlet pipeline.

Detailed ways

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

As shown in Figure 1, a sewage purification system for high-efficiency garbage resource treatment according to the present invention includes a coarse filter tank a, a regulating tank b, a fine filter device c, a solid-liquid separator d, and a wastewater aerobic biological treatment device e The coarse filter tank a is connected to the adjustment tank b through a pipeline, the adjustment tank b is connected to the fine filter device c through a pipeline, and the fine filter device c is connected to the solid-liquid separator d and the wastewater aerobic biological treatment device e through a pipeline.

The rough filter tank a is provided with a coarse grille machine a-1, which can filter impurities and pollutants with large particles in the sewage, and 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 cylinder.

The function of the solid-liquid separator d is to further separate the mixture of sludge, impurities and water filtered out of the fine filter c, drain water, and dry the sludge and impurities for easy transportation.

As shown in accompanying drawing 3, described wastewater aerobic biological treatment device, comprises device housing, aerobic biological input device, aeration device, filtering grid and oxygen content detection device in sewage, the middle of described device housing e-1 The filter grid e-2 is set at the position, the filter grid adopts a hollow cylindrical structure, the upper part of the device shell is provided with a water inlet e-4, and the bottom of the filter grid is provided with a water outlet e- 5. The oxygen content detection device e-3 in the sewage is arranged inside the device shell, and the aerobic organism feeding device includes a first feeding device e-6 and a second feeding device e-7, and the first feeding device The device is arranged at the connection between the device casing and the filter grill, the first delivery device is used to inject aerobic organisms into the device casing, and the second delivery device is arranged inside the filter grill, The second feeding device is used to put aerobic organisms into the filter grid, and the ventilation device includes an oxygen pump, an oxygen inlet pipeline e-8 and an oxygen outlet pipeline e-9, and the oxygen inlet pipe The pipeline is arranged on one side between the device casing and the filter grid, the depth of the oxygen inlet pipeline extending into the device casing is less than or equal to the length of the device casing, and the oxygen outlet pipeline is arranged at the On the other side between the housing of the device and the filter grid, the oxygen pump is connected to the oxygen intake pipeline, and the output end of the oxygen content detection device in the sewage is connected to the power switch of the oxygen pump; The bottom of the shell of the device is also provided with a sediment discharge port;

The wastewater aerobic biological treatment device is provided with a feeding device between the device shell and the filter grid and inside the filter grid, and evenly performs aerobic metabolism of aerobic organisms on the sewage to be treated, so that the organic matter in the sewage is decomposed It is an inorganic substance; the sediment produced during the decomposition process will be intercepted by the filter grid in the device shell, and the sediment content in the treated wastewater discharged from the outlet at the bottom of the filter grid is greatly reduced, improving the The efficiency of subsequent sewage treatment; the setting of the oxygen content detection device in the sewage, the real-time monitoring of the oxygen content of the sewage in the device, when the oxygen content in the sewage is not enough to provide aerobic organisms for aerobic metabolism, the oxygen content detection device in the sewage The output terminal controls the power switch of the oxygen pump to be turned on to input oxygen into the device, realizing the automatic control of sewage treatment.

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

The bottom of the outer cylinder of the fine filter device c is hemispherical.

The sewage suction pipes 8 of the fine filter device c 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 into the wastewater aerobic biological treatment device; 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 cleaning brush 9 to clean the inner wall of the filter cartridge, and the filtered Sludge and impurities enter from the sewage suction pipe 8 and are discharged from the sewage outlet 7-1 to the solid-liquid separator d, and the solid-liquid separator discharges the water in the sludge to facilitate the transportation of the sludge; the motor drives the stirring blade Movement, through the agitation of the rotating blades, it can prevent the impurities with 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. High-efficiency garbage resource treatment sewage purification system, characterized in that: it includes a coarse filter tank, a regulating tank, a fine filter device, a solid-liquid separator and an aerobic biological treatment device for wastewater, and the coarse filter tank is connected to the regulating tank through pipelines , the regulating tank is connected to the fine filter device through the pipeline, and the fine filter device is connected to the solid-liquid separator and the wastewater aerobic biological treatment device through the pipeline; 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 provided, and a clean water outlet is provided on the side wall of the outer cylinder; The wastewater aerobic biological treatment device includes a device shell, an aerobic biological feeding device, a ventilation device, a filter grid and a sewage oxygen content detection device, and the filter grid is arranged in the middle of the device shell, The filter grid adopts a hollow cylindrical structure, the upper part of the device housing is provided with a water inlet, the bottom of the filter grid is provided with a water outlet, and the oxygen content detection device in the sewage is provided inside the device housing. The aerobic biological delivery device includes a first delivery device and a second delivery device, the first delivery device is set at the connection between the device casing and the filter grid, and the second delivery device is set at the filter grid On the inner side of the grid, the ventilation device includes an oxygen pump, an oxygen inlet pipeline and an oxygen outlet pipeline, the oxygen inlet pipeline is arranged on one side between the device shell and the filter grid, and the oxygen inlet pipeline The depth of the road extending into the device casing is less than or equal to the length of the device casing, the oxygen outlet pipeline is arranged on the other side between the device casing and the filter grid, the oxygen pump and the oxygen The air intake pipeline is connected, and the output end of the oxygen content detection device in the sewage is connected with the power switch of the oxygen pump; a sediment discharge port is also arranged at the bottom of the device shell. 2. The sewage purification system according to claim 1, characterized in that: the diameter of the filter hole of the fine filter device is 0.1mm-2mm. 3. The sewage purification system according to claim 1, characterized in that: the bottom of the outer cylinder of the fine filter device is hemispherical. 4. The high-efficiency garbage resource treatment sewage purification system according to claim 1, characterized in that: the sewage suction pipes of the fine filter device are arranged on the rotating shaft pipe at equal intervals. 5. The high-efficiency garbage resource treatment sewage purification system 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 sewage purification system according to claim 1, characterized in that: a valve is provided in the pipeline connecting the adjustment tank with the fine filter device.