KR101745932B1 - Device of stirring sludge - Google Patents

Abstract

Stirrer tank;
A top plate configured in the stirrer tank;
A first stirrer blade unit disposed under the upper plate;
A sludge connection portion formed at a lower portion of the stirrer blade portion;
And a second stirrer blade section through a sludge connecting path of the sludge connecting section,
A scrubber for moving the agitated sludge through the second agitator wing;
And a scrubber that moves to the sludge outlet through the scrubber.

Description

Device of stirring sludge < RTI ID = 0.0 >

The present invention is a technology in the field of recycling waste wastewater and livestock manure in the food waste industry and recycling 100% of the imported wastewater without discharging the wastewater during the incineration and drying process.

In accordance with the London Convention, food wastes, industrial wastewater and animal manure have been banned since 2014, resulting in the use of fossil fuels in recycling, incineration and drying, and also the cost of reprocessing due to the generation of waste water. It can cause pollution problems.

Here, the conventional invention requires a resource recycling technology that can produce and utilize low-cost, high-efficiency energy with organic waste resources, and there has been an invention to deal with the generation of 16,238 tons / year of organic waste and food waste per day nationwide.

However, there is a need to develop a low cost and high efficiency product because it is a high cost and low efficiency for reprocessing food waste industrial wastewater and livestock manure.

Referring to FIG. 6, the stirring apparatus according to the related art has a cylindrical shape, and has a stirring tank 11 having a hopper portion 12 whose bottom surface is inclined toward the center. A vertical stirring part 20 installed at the center of the stirring tank 11 to move the sludge or the squeezing liquid upward from the bottom to circulate and stir the sludge or the squeezing liquid in the vertical direction, 20 and the upper and lower agitating parts 20 and 20 connected to the driving shaft 41 connected to the lower end of the driving shaft of the agitating tank 11 to float the sedimented sludge on the bottom surface of the hopper part 12 constituting the bottom surface of the agitating tank 11, And an auxiliary driving unit 70 installed on an end side of the coupling driving unit extending to the outside of the stirring tank 11 to drive the coupling driving shaft. And an air supply unit 90 for supplying air to the inside of the stirring tank and generating bubbles is provided at the lower side of the stirring tank and a discharge conveyor 80 for discharging sludge or foreign matter ).

The stirring device according to the conventional invention configured as described above will be described in more detail as follows.

The stirring tank 11 of the stirring apparatus 10 according to the prior art is formed in a cylindrical shape and a lower surface thereof has a hopper 12 inclined toward the center side. The hopper part 12 is formed at its center with a bearing part 42 for supporting the coupling drive shaft 41. The stirring tank 11 is not limited to the above-described embodiment.

The upper and lower stirring parts 20 are provided with a guide cylindrical member 21 in a direction perpendicular to the center of the stirring tank 11. The lower end of the guide cylindrical member 21 is fixed to the lower end of the stirring tank 11, So that the lower sludge can be introduced. A driving shaft 22 is installed in the center of the guide cylindrical member 21 in a vertical direction. The lower end of the driving shaft 22 is coupled with the coupling driving shaft 41 and supported. The driving shaft 22 and the coupling driving shaft 41 may be supported by ball bearings or thrust bearings, balls, which are coupling means, so that they can be independently rotated. That is, the end of the driving driving part may be rotatably coupled to the end of the driving shaft 22, and a bearing or a ball may be installed therebetween.

The guide cylindrical member may be rotated as the drive shaft 22 when the rotation of the drive shaft is relatively fast. The stirring impeller 50 is installed at a lower portion of the driving shaft 22 or a coupling driving shaft 41 coupled to the driving shaft 22 to float the sludge precipitated on the bottom surface of the hopper portion 12, 21).

Conventional techniques use a hot air blowing method to dry the sludge.

However, there has been a problem of high cost and low efficiency due to a problem such as a large operation cost, etc. In contrast to this, a stirring tank of low cost and high efficiency has been required.

The conventional method is dry with hot air, and the present invention uses a microorganism to effectively cause microbial reaction of the sludge.

Korean Patent Publication No. 10-2011-0019086 (February 25, 2011) Korea Patent Registration No. 10-1587265 (Jan. 14, 2016)

The present invention has the following objectives.

It is a mechanical device that can produce and utilize low-cost high-efficiency energy.

Secondary environmental pollution can be prevented because waste water is not discharged.

After rubbing the material with the hand, it does not stink.

Biochemical reactions result in high quality fertilizers for soil and crops.

       It is a facility that does not discharge wastewater, and it is a facility that recycles 100% of imported goods.

In order to solve the above problems, the present invention has the following configuration.

Stirrer tank;

A top plate configured on top of the stirrer tank;

A first stirrer blade configured at a lower portion of the upper plate;

A sludge connection portion formed at a lower portion of the stirrer blade portion;

And a second agitator blade portion formed at a lower portion of the sludge connection portion of the sludge connection portion,

A scrubber for moving the agitated sludge through the second agitator wing;

And a sludge agitator is constructed by a scrubber moving to the sludge outlet through the scrubber.

Here, the first stirring vane portion is configured so that it can be vertically stirred up and down.

Depending on the capacity, more than two can be installed.

Here, the configuration of the stirrer blade is such that the front surface of the wing portion to be directly stirred is formed in an inclined shape to reduce frictional force during stirring.

That is, the surface to be initially contacted due to the agitating rotation is constituted by a slanting type having a quadrangular shape.

Here, the configuration of the outer shape of the vanes of the first and second stirrer vanes is configured in a trapezoidal shape.

Further, the back surfaces of the respective blades of the first and second agitator blades form an air outlet. It is preferable that the rear surface constituting the air outlet is inclined so that the vane portion having a volume feeling is inclined so as to be similar to the front portion so that the air can be sufficiently supplied to the sludge immediately before the sludge falls vertically from the upper portion of the vane portion while stirring.

In addition, the configuration of the second agitator blade portion is configured to be able to double-stir up and down. In some cases, it is desirable to configure two or more in an agitator tank that handles many large volumes.

Preferably, the structure of the agitator blade constituting the lower part of the structure of the second agitator blade constitutes an auxiliary blade at the upper and lower ends of the blade, so that the agitation of the sludge is more easily performed.

The central screw of the first and / or second agitator blades further comprises a central screw.

Here, the sludge connecting passage is formed to have a constant height, so that the sludge connecting passage descends in an overflow form.

In addition, the scrubber is configured to discharge the sludge to the outside when the motor is driven through the spiral wing.

Here, the upper plate constitutes a sludge inlet and an air supply pipe.

Here, a level meter is further provided in the space portion where the first stirrer blade and / or the second stirrer blade inside the stirrer tank.

A thermometer is provided at the top and / or bottom for measuring the temperature inside the stirrer tank.

The energy consumption is much lower than other methods and the investment cost is faster.

The equipment is simple and robust, and there is no residue and maintenance cost is low.

The disinfection process is assured without a separate disinfection and disinfection device.

Drying time is fast because it is dried at high temperature.

Discharged water is treated to tap water level and is very clean.

The treatment plant environment is clean and free from complaints.

It is easy to operate with automatic equipment, which leads to reduction of labor cost.

       There is an advantage that the amount of sludge brought in is 100% soil fertilizer and resources because no wastewater is discharged.

       In addition, it will realize the resource recycling facility that produces high quality fertilizer production with biochemical reaction technology and does not generate odor.

1 is an overall perspective view showing a mechanical device of the present invention.
FIG. 2 is a view showing an agitator blade; FIG.
FIG. 3 is a view showing an agitator blade portion placed at the bottom.
FIG. 4 is a view showing a sludge connecting path.
FIG. 5 is a view of a helical scrubber configured to discharge sludge; FIG.
FIG. 6 is a diagram showing a conventional technique.

The speed reducer is operated by the high-speed motor speed reducer 180. Further, the stirrer wings 200, 300, and 600 are integrally and simultaneously operated to rotate about 6 revolutions per minute through the speed reducer.

The speed reducer is capable of speed control.

The sludge outlet 170 discharges the agitated sludge particles with a water content of 10% or less.

The small motor 181 is a driving device for discharging the sludge.

When the small motor 181 is driven, the scrubber 500 composed of the spiral wings 510 is driven to discharge the sludge particles through the sludge discharge port 170.

The stirrer blade units (200, 300) are firstly stirred at the upper portion and the sludge that has fallen is secondarily and thirdly stirred to make fine particles.

The upper part of the stirrer is composed of two upper and lower parts 200 corresponding to the upper part of the stirrer, and the lower part of the stirrer is horizontally composed of two wings. Each wing is composed of two wings 230 and 330 The wing portion 200 has a predetermined strength and angle and is constantly supplied with air through the air outlet 220 and 320 at each portion of the wing through the air supply pipe 110 formed in the top plate 100, It will breed and decompose the sludge.

The shape (210) of the agitator blades is generally trapezoidal in shape from the side.

The air outlet 220 and the air outlet 220 are disposed on the rear side of the direct stirring operation so that the air can be supplied well.

The lower part forms a hopper which is inclined toward the center part, and an agitator 1 auxiliary blade 331 and an agitator 2 auxiliary blade 332 are provided in the upper part and the lower part of the wing so as to perform stirring more easily.

The level meter 421 is a flow meter for checking the sludge input amount.

The air outlets 220 and 320 continuously supply a large amount of air to the inside of the sludge through the supply pipe connected through the air supply pipe 110.

The exhaust gas outlet 130 discharges the odor generated in the stirring tank and sucks the odor through the blower installed in the outside.

The upper passage 140 injects a certain amount of microorganisms through the upper manhole.

The center support 120 is a reinforcement for reinforcing the air supply pipe 110.

The air supply pipe 110 supplies the heated air through the nozzle, and heats the air through the blower and the electric bulb.

And an air transfer passage is formed through the air supply pipe 110 through a central cylinder having high-temperature and high-pressure air in a hollow form to a cavity of the cavity.

The sludge inlet 150 injects sludge having a water content of 85% through the sludge inlet, and the small motor 182 is driven to automatically sludge to be firstly pulverized. The pulverizer is firstly pulverized by a bug mill type pulverizer The sludge is atomized.

The coupling ring 160 is a ring device for lifting the stirring tank.

The thermometer 190 is a thermometer for checking the temperature inside the stirring tank.

The sludge connecting passages 410, 420 and 430 transfer the sludge firstly stirred to a lower portion of the cylinder through a predetermined empty space in the intermediate plate 440 to prepare secondary and tertiary stirring.

In the sludge connection path, when the stirring vanes 200 and 300 are stirred in an overflow concept, they are lowered through the passage to perform secondary and tertiary stirring.

The center screw 600 stirs the secondary and tertiary agitated sludge once more through the screw. Thereby preventing the sludge at the central portion from stagnating and not being stirred.

It is a system that puts a certain amount of sludge into the main body of the fermentation remainder, supplies air with external hot air of the main body, and fermentes and loses water by using indirect heat. It uses energy generated by microorganisms in the fermenter to decompose organic matter, Minimize it.

The operation condition of the stirrer tank of the present invention is a temperature of 40 ° C to 90 ° C and the consumed energy is much lower than other methods and the investment cost is quick.

It is simple and robust, has no residue, and has a low maintenance cost.

The disinfection process is assured without a separate disinfection and disinfection device.

Drying time is fast because it is dried at high temperature.

Discharged water is treated to tap water level and is very clean

It is easy to operate with automatic equipment, which leads to reduction of labor cost.

When the present invention is applied, the amount of organic wastes generated is continuously increased due to the development of new cities and industrial complexes in the future, so that food waste can be fertilized in a short time by using a biochemical reaction method to discharge waste water, thereby maintaining a pleasant workplace will be.

Description will be made mainly on the drawings.

FIG. 1 is directed to an overall schematic view of an agitator tank.

A stirrer tank 1000 and an upper plate 100 formed on the upper portion of the stirrer tank and a first stirrer wing 200 and 200 'formed on the lower portion of the upper plate 100 are configured to stir the sludge that has entered the tank.

The sludge agitating part is divided up and down by the sludge connecting part 400 formed at the lower part of the first stirrer wing part 200, 200 '.

The second stirrer wings 300 and 300 'are formed below the sludge connecting paths 410, 420 and 430 of the sludge connecting part 400.

After agitation of the agitated sludge through the second agitator wings 300 and 300 ', the agitated sludge is moved to the sludge outlet 170 through the scrubber 500.

Here, the first stirring vanes 200 and 200 'are configured so that they can be vertically stirred up and down.

In Fig. 1, two first stirring blade portions are constituted. In some cases, one wing can be constructed and two or more wings can be configured for high capacity or faster processing.

The center screw of the first and / or second agitator blades is further provided with a central screw 600.

Although the figure shows a structure in which the second stirrer blade inside the stirrer tank is provided, it can also be configured inside the first stirrer.

Even if the wing portion of the stirrer rotates, the moving route of the sludge is very small and only moves in place, so that a screw is formed at the center portion so that the sludge in the center is agitated so that the aerobic microorganisms grow well.

The sludge inlet 150 and the air supply pipe 110 are formed in the upper plate 100.

When the air is supplied through the air supply pipe, air from the air outlets 220 and 320 formed in the blades is supplied to the sludge through the air supply pipe 110, .

Here, a level meter 421 is further provided in the space portion where the first stirrer blade and / or the second stirrer blade inside the stirrer tank are configured to determine the amount of the sludge to be charged.

A thermometer 190 is provided on the upper part and / or the lower part of the stirrer tank to measure the temperature of the inside of the stirrer tank so that the tank is driven at a temperature at which microorganisms can reproduce well.

Figures 2 and 3 show the wings in detail.

The configuration of the first agitator blade unit 200 is such that the front surface of the wing unit to be directly stirred is constituted by the inclined shape 230 and reduces the frictional force when stirring in the counterclockwise direction.

Two or more stirrer blade portions may be formed. The stirrer blade portion 200 'has the same structure as the stirrer blade portion 200 shown in FIG.

That is, the surface to be initially contacted due to the agitating rotation is constituted by a slanting type having a quadrangular shape.

Here, the outer configuration of the vanes of the first and second stirrer vanes 200, 200 ', 300, 300' is configured as a trapezoidal shape 210.

The air outlets 220 and 320 are formed on the back surface of the inclined surface 230, which is first contacted at the time of direct stirring, so that air is uniformly supplied to the sludge so that aerobic microorganisms propagate well.

In addition, the back surface of each of the vanes of the first and second stirrer vanes 200, 200 ', 300, 300' constitutes air outlets 220, 320. It is preferable that the back surface constituting the air outlet is inclined so that the vane portion having a volume feeling is inclined so as to be similar to the front portion so that the air can be sufficiently supplied to the sludge immediately before the sludge falls vertically at the upper portion of the blade portion .

The wing portion of the stirrer shown in FIG. 3 is configured such that the bottom portion of the stirrer tank is inclined as it goes from the center to the bottom.

In addition, the configuration of the second agitator wings 300 and 300 'is configured to be capable of double stirring up and down. In some cases, it is desirable to configure two or more in an agitator tank that handles many large volumes.

Preferably, the structure of the agitator blade constituted at the lower part of the structure of the second agitator blade unit constitutes auxiliary blades 331 and 332 at the upper and lower ends of the blade, so that the agitation of the sludge is more easily performed.

Referring to FIG. 4, description will be made below.

In connection with the sludge connection part 400, the connection part is composed of three sludge connection paths 410, 420 and 430 in the drawing.

And the sludge connecting path is configured to descend in an overflow form.

Referring to FIG. 5, description will be made below.

The scrubber 500 configures the small motor 181 through the spiral wing 510 to discharge through the slurry region 170 to the outside at the time of driving.

100: top plate 110: air supply unit 120: central support
130: exhaust gas outlet 140: upper passageway 150: sludge inlet 160:
170: sludge outlet 180: high speed motor and speed reducer 181,182: small motor 190: thermometer
200: first stirrer wing 300: second stirrer wing 210: stirrer wing shape
220,320: Air outlet 230,330: Incline stirrer wing
331: Stirrer 1 Auxiliary wing 332: Stirrer 2 Auxiliary wing
400: sludge connection part 410, 420, 430: sludge connection path 421, 422:
440: Intermediate plate 500: Scrubber 510: Spiral wing 600: Center screw
1000: stirrer tank

Claims (13)

Stirrer tank;
A top plate configured on top of the stirrer tank;
A sludge inlet port and an air supply pipe formed in the upper plate;
The stirrer tank is divided into an upper portion of the stirrer tank and a lower portion of the stirrer tank,
A level meter and / or a thermometer provided on the upper portion of the stirrer tank and / or the lower portion of the stirrer tank;
A first agitator blade portion formed on a bottom surface portion of the upper portion of the agitator tank;
Wherein the first stirring vane portion is configured to be capable of being vertically stirred up and down,
A second agitator sludge connection part which is a passage for moving the sludge from the upper part of the agitator tank to the lower part of the agitator tank;
Wherein the sludge connection portion is configured to have a constant height so that the sludge connection portion is configured to descend in an overflow form,
A second agitator blade portion formed at a lower portion of the agitator tank;
The structure of the second agitator blade is configured to be capable of double agitation in the upper part and the lower part,
The structure of the agitator blade formed at the lower portion of the structure of the second agitator blade unit is configured such that the agitator of the agitator blade constitutes a plate-like auxiliary blade on the upper and lower surfaces of the blade,
The first stirrer blade portion and the second stirrer blade portion are configured such that the front surface of the wing portion to be directly stirred is formed in an inclined shape to reduce frictional force during stirring,
The rear surface of the first agitator blade and the rear surface of the second agitator blade are inclined more than the inclination of the front surface. When the sludge is agitated, the sludge does not directly contact the blade surface of the rear surface,
When the first stirrer and the wing portion of the second stirrer, which are the back side of the inclined surfaces of the respective blades of the first stirrer blade and the second stirrer blade,
An air outlet is formed at a portion where the sludge does not directly come in contact with the sludge,
The central screw of the first and / or second agitator blades may further comprise a central screw,
A scrubber for moving the sludge agitated through the second agitator blade portion to the outside;
Wherein the scrubber moves the sludge to the sludge outlet when the motor is driven through the spiral wing.


delete delete The sludge agitating apparatus according to claim 1, wherein the outer shape of the vanes of the first and second agitator blades is trapezoidal.




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