CN104876396A - A sewage treatment system in waste recycling - Google Patents

Abstract

The invention discloses a sewage treatment system in garbage reclamation, which comprises a coarse filtration tank, an adjusting tank, a fine filtration device, a solid-liquid separation device and a wastewater aerobic biological treatment device, wherein the coarse 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

A sewage treatment system in waste recycling

technical field

The invention belongs to the technical field of sewage treatment equipment, and in particular relates to a sewage treatment system in waste recycling.

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 sewage treatment system in the process of recycling garbage.

The present invention adopts following technical scheme to realize:

A sewage treatment system in waste recycling, including 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 a 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; three filter cartridges with the same shape and structure are vertically arranged inside the outer cylinder, and one of the filter cartridges is the same as the outer cylinder. The other two filter cartridges are arranged at equal intervals on both sides of the filter cartridge coaxially arranged with the outer cylinder; the filter cartridge is a cylindrical structure with filter holes uniformly arranged on the wall of the filter cartridge, and the top of the filter cartridge is in contact with the outer cylinder The top end is airtightly connected, the bottom end of the filter cartridge is airtightly connected with the partition, and the connection between the partition plate and the bottom end of the filter cartridge is provided with an opening; the inside of the filter cartridge is coaxially provided with a rotating shaft, and the rotating shaft is connected to the motor outside the outer cylinder. There is also a cleaning brush inside the filter cartridge, which is connected to the rotating shaft; the bottom of the filter cartridge coaxially arranged with the outer cylinder is provided with stirring paddles, which are fixedly connected to the bottom end of the rotating shaft; the top of the filter cartridge is provided with Sewage outlet; the bottom of the outer cylinder is provided with a sewage inlet, and the side wall of the outer cylinder is provided with a clean water outlet;

The solid-liquid separator includes a second motor, a shaft, a fixed outer sleeve, and a rotating inner sleeve; the rotating inner sleeve is a cylindrical structure with a slag outlet at its left end, and the wall of the rotating inner sleeve There is a through hole on the top; the rotating inner sleeve is coaxially arranged inside the fixed outer sleeve; the shaft is coaxially arranged inside the fixed outer sleeve, and the propeller blade is fixedly arranged on the shaft; the rotating inner sleeve is connected to the fixed outer sleeve through the connecting rod. The shaft is fixedly connected, the shaft is connected with the second motor, and the second motor can drive the rotating inner sleeve to rotate coaxially in the fixed outer sleeve through the shaft and the connecting rod; the fixed outer sleeve is provided with a raised outer wall, and the raised outer wall A liquid collecting cavity is formed between the rotating inner sleeve, the raised outer wall is provided with a liquid outlet, and the fixed outer sleeve is provided with a feeding port;

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 pipeline connecting the coarse filter tank and the regulating tank is provided with a valve.

In the above technical solution, the pipeline connecting the adjustment tank and the fine filter device is provided with a valve.

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, and the three filter cylinders filter the sewage, and the filtered clean water is discharged from the clean water outlet to the wastewater aerobic biological treatment device; The sludge and impurities are discharged into the solid-liquid separator through the sewage outlet, and the solid-liquid separator throws out the water in the sludge to facilitate the transportation of the sludge; at the same time, the motor drives the rotating shaft to rotate, and the rotating shaft drives the cleaning brush Clean the inner wall of the filter cartridge to prevent the filter cartridge from being blocked; the motor drives the stirring blades to move, and the agitation 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 schematic structural view of the solid-liquid separator in the present invention.

Fig. 4 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 the wastewater aerobic biological treatment device, 1 is the motor, 2 is the cleaning brush, 3 is the filter cylinder, 4 is the outer cylinder, 5 is the rotating shaft, 6 is the stirring blade, 7 is the sewage inlet, 8 is the clean water outlet , 9 is the sewage outlet, 10 is the partition, 11 is the opening, d-1 is the second motor, d-2 is the shaft, d-3 is the fixed outer sleeve, d-4 is the rotating inner sleeve, d-5 is the feed inlet, d-6 is the propeller blade, d-7 is the connecting rod, d-8 is the raised outer wall, d-9 is the slag outlet, d-10 is the liquid collection chamber, d-11 is the through hole, d-12 is the liquid outlet, e-1 is the device shell, e-2 is the filter grid, e-3 is the oxygen content detection device in the sewage, e-4 is the water inlet, e-5 is the water outlet, e- 6 is the first delivery device, e-7 is the second delivery device, e-8 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 accompanying drawing 1, a kind of sewage treatment system in the garbage resource of the present invention comprises coarse filter tank a, adjusting tank b, fine filter device c, solid-liquid separator d and waste water 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 4, and the interior of outer cylinder is horizontally provided with partition 10, and partition is airtightly connected with outer cylinder inner wall;

Three filter cartridges 3 with the same shape and structure are vertically arranged inside the outer cylinder, one of which is coaxially arranged with the outer cylinder, and the other two filter cartridges are arranged at equal intervals on both sides of the filter cartridge coaxially arranged with the outer cylinder; The filter cartridge is a cylindrical structure with filter holes evenly arranged on the wall of the cartridge, 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 a Opening 11; the inside of the filter cartridge is coaxially provided with a rotating shaft 5, the rotating shaft is connected to the motor 1 outside the outer cylinder, and a cleaning brush 2 is also arranged inside the filter cartridge, and the cleaning brush is connected to the rotating shaft; it is coaxially arranged with the outer cylinder The bottom of the filter cartridge is provided with a stirring paddle 6, and the stirring paddle is fixedly connected with the bottom end of the rotating shaft;

The top of the filter cartridge is provided with a sewage outlet 9;

The bottom of the outer cylinder is provided with a sewage water inlet 7, and the side wall of the outer cylinder is provided with a clean water outlet 8.

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

The bottom of the outer cylinder is hemispherical.

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.

As shown in Figure 3, the solid-liquid separator d includes a second motor, a shaft, a fixed outer sleeve, and a rotating inner sleeve,

The rotating inner sleeve d-4 has a cylindrical structure, and its left end is provided with a slag outlet d-9, and the wall of the rotating inner sleeve d-4 is provided with a through hole d-11; the rotating inner sleeve d-4 The coaxial arrangement is inside the fixed outer sleeve d-3;

The shaft d-2 is coaxially arranged inside the fixed outer sleeve d-3, and the propeller blade d-6 is fixedly installed on the shaft d-2; the rotating inner sleeve d-4 is fixed to the shaft d-2 through the connecting rod d-7 connection, the shaft d-2 is connected with the second motor d-1, and the second motor can drive the rotating inner sleeve to rotate coaxially in the fixed outer sleeve through the shaft and the connecting rod;

The fixed outer sleeve d-3 is provided with a raised outer wall d-8, and a liquid collection chamber d-10 is formed between the raised outer wall d-8 and the rotating inner sleeve d-4, and the raised outer wall d-8 is provided with an outlet Liquid port d-12, fixed outer sleeve d-3 is provided with feed port d-5.

The second motor of the solid-liquid separator drives the shaft to rotate, and the mixture of sludge and water enters the interior of the device from the feed port through the action of the propeller blades fixed on the shaft. At the same time, the shaft drives the rotating inner sleeve to rotate coaxially in the fixed outer sleeve. Using the centrifugal force generated by the rotation, the water enters the liquid collection chamber through the through hole of the rotating inner sleeve and is discharged from the liquid outlet; the sludge is Discharge from the slag outlet.

As shown in accompanying drawing 4, described wastewater aerobic biological treatment device, comprises device housing, aerobic organism feeding 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 set 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.

When the present invention is in use, the coarse grid machine a-1 in the coarse filter tank a filters out impurities and pollutants with larger particles in the sewage; then the sewage enters the regulating tank, and the regulating tank can be filtered through the coarse grid machine a The water quality of the final sewage is homogenized, and the flow rate of the sewage is adjusted at the same time, so as to prepare for the fine filtration work of the subsequent fine filter device c; then the sewage enters the interior of the outer cylinder from the sewage inlet of the fine filter device c, and the three filter cylinders are paired The sewage is filtered, and the filtered clean water is discharged from the clean water outlet to the wastewater aerobic biological treatment device; the filtered sludge and impurities are discharged to the solid-liquid separator d through the sewage outlet, and the solid-liquid separator d Throw out to facilitate the transportation of sludge. At the same time, the motor drives the rotating shaft to rotate, and the rotating shaft drives the cleaning brush to clean the inner wall of the filter cartridge to prevent 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 .

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 (5)

1. the Sewage treatment systems in a garbage as resource, it is characterized in that: comprise coarse filter, equalizing tank, fine filtering device, solid-liquid separator and waste water aerobic biological treatment device, described coarse filter is connected with equalizing tank by pipeline, equalizing tank is connected with fine filtering device by pipeline, and fine filtering device is connected with waste water aerobic biological treatment device with solid-liquid separator respectively by pipeline;

Coarse rack machine is provided with in described coarse filter;

Described equalizing tank inside is provided with agitator and aerating apparatus;

Described fine filtering device comprises urceolus, and outer barrel has been horizontally disposed with dividing plate, and dividing plate is connected with outer tube inner wall is airtight; Outer barrel is vertically provided with the identical cartridge filter of three shape and structures, and one of them cartridge filter and urceolus are coaxially arranged; Cartridge filter is columnar structured, and its barrel is evenly provided with filter pore, and cartridge filter top is connected with urceolus top is airtight, and cartridge filter bottom is connected with dividing plate is airtight, and the junction of dividing plate and cartridge filter bottom is provided with opening; Described cartridge filter inside is coaxially arranged with turning axle, and turning axle is connected with the motor of urceolus outside, and cartridge filter inside is also provided with cleaning brush, and cleaning brush is connected with turning axle; Be provided with agitating vane bottom the cartridge filter coaxially arranged with urceolus, the bottom of agitating vane and turning axle is fixedly linked; The top of cartridge filter is provided with sewage draining exit; Be provided with sewage inlet bottom urceolus, outer tube side wall be provided with the Graceful mouth of a river;

Described solid-liquid separator comprises the second motor, axle, fixed jacket cylinder, rotates inner sleeve; Described rotation inner sleeve is columnar structured, and its left end is provided with slag notch, and the barrel of rotation inner sleeve is provided with through hole; Rotate the inside that inner sleeve is coaxially arranged on fixed jacket cylinder; It is inner that described axle is coaxially arranged on fixed jacket cylinder, and axle is fixedly installed screw blade; Rotate inner sleeve to be fixedly connected with axle by union lever, axle is connected with the second motor; Described fixed jacket cylinder is provided with protruding outer wall, and form liquid collecting cavity between protruding outer wall and rotation inner sleeve, protruding outer wall is provided with liquid outlet, and fixed jacket cylinder is provided with opening for feed;

Described waste water aerobic biological treatment device, comprise crust of the device, aerobe throwing device, air interchanger, oxygen content detector in filtering grid and sewage, in described crust of the device, mid-way is provided with described filtering grid, described filtering grid adopts the cylindrical structural of hollow, described crust of the device top is provided with water-in, water outlet is provided with bottom described filtering grid, in described sewage, oxygen content detector is arranged on inside described crust of the device, described aerobe throwing device comprises the first throwing device and the second throwing device, described first throwing device is arranged on described crust of the device and described filtering grid connecting place, described second throwing device is arranged on inside described filtering grid, described air interchanger comprises oxygen pump, oxygen intake pipe road and oxygen bleed line road, described oxygen intake pipe road is arranged on side between described crust of the device and described filtering grid, the degree of depth that described crust of the device is stretched on described oxygen intake pipe road is less than or equal to the length of described crust of the device, described oxygen bleed line road is arranged on opposite side between described crust of the device and described filtering grid, described oxygen pump is connected with described oxygen intake pipe road, in described sewage, the output terminal of oxygen content detector is connected with described oxygen pump power switch, precipitation relief outlet is also provided with in described crust of the device bottom.

2. the Sewage treatment systems in a kind of garbage as resource according to claim 1, is characterized in that: the aperture of the filter pore of described fine filtering device is 0.1mm-2mm.

3. the Sewage treatment systems in a kind of garbage as resource according to claim 1, is characterized in that: the bottom of the urceolus of described fine filtering device is semisphere.

4. the Sewage treatment systems in a kind of garbage as resource according to claim 1, is characterized in that: the install pipeline that coarse filter is connected with equalizing tank has valve.

5. the Sewage treatment systems in a kind of garbage as resource according to claim 1, is characterized in that: the install pipeline that equalizing tank is connected with fine filtering device has valve.