KR102355027B1 - Food Waste, Livestock Manure, Animal and Plant Residues, Sewage Sludge Decomposition Device - Google Patents

Abstract

The present invention relates to a food waste, livestock manure, animal and plant remains, or sewage sludge decomposition device using microorganisms that can structurally agitate a target object effectively. The food waste, livestock manure, animal and plant remains, or sewage sludge decomposition device comprises: an external housing; an inner housing; a stirring unit; a drive unit; a heating unit; an air exhaust unit; an air supply unit; and a controller. The stirring unit comprises: a rotating shaft installed to horizontally cross the inner housing; a plurality of fixing clamps installed at predetermined intervals on the rotation shaft; a mounting table of a predetermined length installed on the plurality of fixing clamps; and a main stirring blade installed on the mounting table. The mounting table is arranged to be spaced 90° apart from another adjacent mounting table, and the main stirring blades are two or more, and installed so as to connect ends of the adjacent three mounting tables in an arc shape to space the same 180° apart.

Description

Food Waste, Livestock Manure, Animal and Plant Residues, Sewage Sludge Decomposition Device

The present invention relates to an apparatus for decomposing food waste, livestock manure, animal and plant residues or sewage sludge, and more particularly, food waste, livestock manure, animal and plant residues, sewage sludge, etc. It relates to a device for decomposing food waste, livestock manure, animal and plant residues or sewage sludge that is decomposed by stirring.

In recent years, environmental problems caused by food waste, livestock manure, animal and plant residues, sewage sludge, etc. (hereinafter collectively referred to as 'objects to be treated') and the problem of treatment space have been highlighted, and the development of various devices to reduce these objects has been active. As a prior art for this purpose, a food processing apparatus using microorganisms (hereinafter referred to as 'patent literature') of Korean Patent Registration No. 1877050 is disclosed.

The food processor disclosed in the above patent document includes a body having a space in which food waste is accommodated together with microorganisms, an inlet formed at an upper portion, and an outlet formed at a lower portion; an opening and closing cover formed at the inlet and the outlet of the main body to determine the opening and closing of the inlet and the outlet; Doedoe positioned through the inside of the main body, a rotating shaft positioned to be rotatable relative to the main body; a plurality of stirring bars formed on the rotating shaft and rotating together with the rotating shaft to stir the food contained in the main body; a driving motor for rotating the rotating shaft by providing a rotational force to the rotating shaft; a deodorizing means located on the upper part of the main body for sucking in and purifying the malodorous gas generated when the food contained in the main body is decomposed by microorganisms and discharging; and a case for fixing the position of the main body and having a plurality of wheels formed on the lower part to induce easy transport of the main body, and a discharging means for easily discharging the food waste accommodated in the main body and decomposed Doedoe configured to further include, the discharging means is positioned so that the lower part of the main body is exposed to the outside, and is formed to be horizontally long and open on the exposed lower part of the main body, and horizontally long guide grooves are formed on both inner surfaces. a discharge port, both side surfaces of which are formed with guide protrusions inserted into the guide grooves to determine opening and closing of the discharge port while sliding on the discharge port, and a discharge cover having a handle exposed to the outside at one end; and a lower portion of the body It is configured to include a dust collecting unit for collecting food waste discharged from the main body.

However, the food processor of the above patent document is configured to suck in odors generated in the process of decomposing food waste through a deodorizing device, purify and discharge it through a deodorizing means, but a large amount of air is supplied to the deodorizing device to be completely deodorized There are many technical difficulties, so air that has not been completely deodorized is discharged to the outside, causing many problems in use due to odor.

In addition, in the food processor of the above patent document, a plurality of stirring rods are installed on a rotating shaft so that the food waste is stirred by the stirring rod by the rotational operation of the rotating shaft. As the load acts on each stir bar as it is, there is a problem in that the stir bar is easily damaged.

In addition, due to the structure of the agitator bars installed individually at a predetermined interval, the food waste located on the inner bottom of the food processor cannot be reliably moved upward, and as a result, microorganisms are not uniformly and evenly distributed in the food waste, resulting in fermentation and decomposition. There is a problem that takes a lot of time.

Therefore, there is a need to develop an apparatus and method having an improved structure so as to effectively agitate the target object such as food waste, livestock manure, animal and plant residues, and sewage sludge.

KR 10-1877050 B1 (2018. 07. 04.) KR 10-2018-0017781 A (2018. 02. 21.) KR 10-1272187 B1 (2013. 05. 31.) KR 10-2006-0091924 A (2006. 08. 22.) KR 20-0169856 Y1 (1999. 11. 23.)

The present invention has been devised to solve the problems of the conventional decomposition and extinction device as described above, and the problem to be solved by the present invention is structurally food waste, livestock manure, It is to provide a device for decomposing animal and plant residues or sewage sludge.

An apparatus for decomposing food waste, livestock manure, animal and plant remains or sewage sludge according to the present invention for solving the above problems includes: an outer housing having a frame structure having a predetermined size; an inner housing in which an object to be processed is accommodated therein by opening the upper surface while being installed inside the outer housing; a stirring unit installed horizontally inside the inner housing to stir the object to be treated; a driving unit installed on an outer side of the inner housing to rotate the stirring unit; a heating unit installed along an inner bottom surface of the inner housing to heat the inner housing; an air exhaust unit installed on an upper side of the inner housing to discharge air of the inner housing to the outside; an air supply unit installed inside the outer housing to supply compressed air into the inner housing; and a controller installed on one side of the outer housing to control operations of a driving unit, a heating unit, an air exhaust unit, and an air supply unit, wherein the stirring unit includes: a rotating shaft installed to horizontally cross the inner housing; a plurality of fixing clamps installed at predetermined intervals on the rotation shaft; a mounting table of a predetermined length installed on the plurality of fixing clamps; and a main stirring blade installed on the installation table, wherein the installation table is arranged to be spaced apart from another adjacent installation table by 90°, and the main stirring blade connects the ends of the three adjacent installation tables in an arc shape. It is characterized in that two or more are installed to be spaced 180° apart.

And the present invention is further characterized in that an auxiliary stirring blade of a predetermined length is installed in the fixing clamp at a distance of 90° from the installation table.

In addition, the present invention is further characterized in that the tip of the auxiliary stirring blade is installed to be inclined at a predetermined angle to one side with respect to the fixing clamp.

In addition, the present invention is a compressor for generating compressed air by the air supply unit; a flow path connected to the compressor; and a plurality of injection nozzles connected to the flow path for supplying compressed air to the inside of the inner housing, and between the injection nozzles and the flow path, the compressed air is discharged toward the inner housing and at the same time as the inner housing Another feature is that a check valve that blocks the internal moisture from being discharged through the flow path is installed.

In addition, the present invention is characterized in that the air exhaust unit is configured so that the air and moisture discharged through the inner housing are discharged together.

According to the present invention, a plurality of fixing clamps are installed at a predetermined interval at which the stirring unit is installed along the rotational axis, and the mounting brackets are respectively installed at intervals of 90° to the fixing clamps. Since more than one main stirring blade is installed and one main stirring blade covers a wide range of 180°, there is an advantage that the object to be treated is effectively stirred as a whole even in one rotation of the rotation shaft.

In addition, as air and water are discharged together through the air discharge unit, there is no need to separately purify the air and water, and thus there is an advantage that a sewage purification facility for purifying the sewage is not separately required.

1 is a perspective view showing an example of an apparatus for decomposing food waste, livestock manure, animal and plant remains, or sewage sludge according to the present invention.
2 is a cross-sectional view showing an example of a device for decomposing food waste, livestock manure, animal and plant residues or sewage sludge according to the present invention.
3 is a side view showing an example of an apparatus for decomposing food waste, livestock manure, animal and plant residues or sewage sludge according to the present invention.
Fig. 4 is a plan view of Fig. 1;
5 is a cross-sectional view showing an example in which the inner housing, the stirring unit, the heating unit and the air exhaust unit according to the present invention are installed.
6 is a view showing an example of a stirring unit according to the present invention.
7 is a view showing another embodiment of the stirring unit according to the present invention.
8 is a perspective view showing an example of a heating unit according to the present invention.
9 is a view showing another embodiment of the stirring unit according to the present invention.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The present invention is to provide an apparatus for decomposing food waste, livestock manure, animal and plant remains or sewage sludge using microorganisms that can structurally agitate the target object effectively, and the present invention is as shown in FIGS. 1 and 2 In the same way, the outer housing 10, the inner housing 20, the stirring unit 30, the driving unit 40, the heating unit 50, the air exhaust unit 60, the air supply unit 70 and the controller 80 are connected. include

The outer housing 10 is provided with an inner housing 20, agitation unit 30, drive unit 40, heating unit 50, air exhaust unit 60, and air supply unit 70 to be described later. It is structured so that it is not exposed to the outside.

As shown in FIGS. 1 and 2, the outer housing 10 is manufactured in a rectangular frame structure of a predetermined size through a frame having a rectangular cross-section or a “C”-shaped cross-sectional shape, and the outer housing 10 of A metal plate having a predetermined size is installed to cover the outer surface so that the inside is not exposed to the outside.

And a plurality of wheels 11 are installed on the bottom surface of the outer housing 10, and through this, it is possible to easily transport the decomposition device as necessary.

In addition, an opening/closing door 12 of a predetermined size is installed on the upper surface of the outer housing 10 as shown in FIG. This will be put in

At this time, the opening/closing door 12 is provided with a rubber sealing material along the periphery, and when the opening/closing door 12 is closed through this, the inner housing 20 is naturally sealed and the odor generated inside the inner housing 20 is not released to the outside.

In addition, at the front side of the outer housing 10, an opening of a predetermined size through the discharge door 22 of the inner housing 20 to be described later, the by-products remaining after being decomposed by microorganisms can be discharged to the outside (no reference numerals) ) is formed.

The inner housing 20 is configured to have a receiving space of a predetermined size so that the object to be processed is accommodated therein while being installed inside the outer housing 10 .

As shown in FIGS. 2 and 5, the inner housing 20 has a bottom surface formed in a cylindrical shape having a predetermined diameter and an upper portion extending vertically to have a predetermined height. A housing body 21, and the It includes a discharge door 22 of a predetermined size installed to cover a discharge port (no reference numeral) formed to have a predetermined width on one side of the lower portion of the housing body 21 and opened and closed.

At this time, the discharge door 22 is installed such that the upper end is rotated with respect to the lower end to open the outlet. A lock (not shown) for fixing the clasp is installed.

And a sealing material such as rubber is installed along the circumference of the discharge door 22, and when the discharge door 22 is closed through this, the sealing material is closely adhered to the circumference of the discharge port and the inner space of the inner housing 20 is sealed.

And a through hole (no reference numeral) of a predetermined diameter is formed on one upper side of the inner housing 20, and the wet air inside the inner housing 20 to be described later through the through hole is discharged to the outside through the air discharge unit 60. configured to be discharged.

The stirring unit 30 is installed in the inner housing 20 and is configured to stir the object to be treated by a rotation operation.

As shown in FIG. 6 , the stirring unit 30 includes a rotation shaft 31 of a predetermined diameter installed to horizontally penetrate both sides of the inner housing 20 , and a plurality of rotation shafts 31 installed at a predetermined distance from the rotation shaft 31 . It includes three fixing clamps 32 , a mounting table 33 of a predetermined length installed on the plurality of fixing clamps 32 , and a main stirring blade 34 installed on the mounting table 33 .

At this time, the fixing clamp 32 is made of a clamp of a semicircular structure having a predetermined diameter surrounding the rotation shaft 31 or is made of a cylindrical tube having a predetermined diameter, and the rotation shaft 31 through a fastening member such as a bolt and a nut. is firmly fixed to

In addition, the mounting bracket 33 is formed of a frame having a “L” or “T”-shaped cross-sectional shape and is disposed to be spaced apart by 90° from another adjacent mounting table 33 .

In addition, the main stirring blade 34 is installed to connect the ends of the three adjacent installation tables 33 in an arc shape, and through this, one main stirring blade 34 naturally covers the 180° angle range, and the As a result, the 360° angular range is covered by installing the two main stirring blades 34 alternately with each other, so when two or more main stirring blades 34 are installed, even if the rotation shaft 31 rotates relatively little compared to the existing one, the inner housing The target object accommodated in (20) can be stirred easily and quickly as a whole, and at the same time, even when the target object under a high load is stirred, the main stirring blade 34 is not easily damaged.

In addition, the main stirring blade 34 is detachably installed through fastening members such as bolts and nuts at the tip of the mounting table 33, and through this, another main stirring blade 34 having a different width as needed It can be used by being appropriately replaced with the blade 34, or by easily replacing only the damaged main stirring blade 34.

Since the main stirring blade 34 is close to the inner surface of the inner housing 20 to stir the object to be treated, the object to be treated between the rotating shaft 31 and the main stirring blade 34 is relatively not easily stirred and stagnant. can be

Therefore, in the present invention, as shown in FIG. 7 , auxiliary stirring blades 35 forming a 90° interval with the installation base 33 are further installed in the fixing clamp 32 , and these auxiliary stirring blades 35 are generally “T” The tip is positioned between the rotating shaft 31 and the main stirring blade 34 while being formed in a ruler shape.

And the auxiliary stirring blade 35 is installed with the tip inclined at a predetermined angle (A) to one side with respect to the fixed clamp 32, and through this, the tip of the auxiliary stirring blade 35 is located in the space between the pair of installation tables 33. this will be located

Through the configuration of the stirring unit 30 as described above, the object to be treated accommodated in the inner housing 20 is the main stirring blade 34 and the auxiliary stirring blade 35 just by rotating the rotation shaft 31 once. This ensures that the whole is thoroughly agitated.

The driving unit 40 is installed inside the outer housing 10 and is configured to rotate the rotating shaft 31 installed through the inner housing 20 .

As shown in FIGS. 2 and 3 , the driving unit 40 includes a driving motor 41 for generating rotational power, and a reducer 42 connected to the driving motor 41 to reduce the rotational speed. .

At this time, the driving motor 41, the reducer 42, and the reducer 42 and the rotating shaft 31 are installed to be interlocked through the chain and the chain sprocket.

The heating unit 50 is configured to heat the object to be treated to a predetermined temperature so that the activity of microorganisms accommodated in the inner housing 20 is actively maintained.

As shown in FIG. 8 , the heating unit 50 includes a main body 51 having a rectangular shape with an open upper surface, and a heater 52 installed on one side of the main body 51 to have a predetermined length in the horizontal direction. ) is included.

And the main body 51 has a temperature sensor 53 for detecting the temperature of the thermal oil stored inside the main body 51, and the input/output for supplying thermal oil to the inside of the main body 51 or discharging the internal thermal oil to the outside. A tube 54 is provided.

The heating unit 50 as described above is installed horizontally along the middle portion of the bottom surface of the inner housing 20 and is integrally fixed by welding or the like.

The air exhaust unit 60 is installed in a through hole formed at an upper side of the inner housing 20 to discharge the air inside the inner housing 20 to the outside.

The air exhaust unit 60 may be configured as a fan unit that is rotated by a motor, and the air inside the inner housing 20 is sucked and discharged by the operation of the fan unit.

At this time, the air exhaust unit 60 is configured to discharge air as an air purifier for removing odors, and through this, hot and humid air is supplied to the air purifier, deodorized and cooled to remove odors and moisture, and then into the air. will be discharged

The air supply unit 70 is configured to supply compressed air to the inside of the inner housing 20 to more actively maintain the activity of microorganisms together with the heating unit 50 .

As shown in FIGS. 3 and 4, the air supply unit 70 includes a compressor 71 for generating compressed air, a flow path 72 of a flexible material connected to the compressor 71, and the flow path 72. It includes a plurality of injection nozzles for supplying compressed air to the inside of the inner housing 20 while connected to.

And between the injection nozzle and the flow path 72, the check valve 73 for allowing the compressed air to be discharged toward the inner housing 20 and at the same time to block the moisture inside the inner housing 20 from being discharged through the flow path 72. is installed

As high-pressure compressed air is supplied to the inside of the inner housing 20 through the air supply unit 70 as described above, the object to be treated is stirred at an appropriate speed through the stirring unit 30, and at the same time the heating unit 50 Through indirect heating, the activity of microorganisms is actively maintained.

The controller 80 is installed on one side of the outer housing 10 to control the operation of the driving unit 40 , the heating unit 50 , the air exhaust unit 60 and the air supply unit 70 , and such a controller The rotation speed of the rotating shaft 31 is adjusted through 80, the temperature of the heater 52 through the heating unit 50 is adjusted, the air discharge speed through the air discharge unit 60 is adjusted, and air is supplied The supply amount of compressed air through the unit 70 is adjusted.

On the other hand, in the above, the auxiliary stirring blade 35 is shown and described only as being formed in a "T" shape, but unlike the main stirring blade 34, the tips of the three auxiliary stirring blades 35 are connected, As shown in FIG. 9, it can be changed to an arc shape in the opposite direction to the main stirring blade 34, whereby the stirring performance of the object to be processed according to the rotational operation of the rotating shaft 31 is further improved.

In addition, although the auxiliary stirring blade 35 has been illustrated and described only as being installed to form an arc shape, it may be changed to a flat plate shape having a predetermined length otherwise.

As described above, in the present invention, a plurality of fixing clamps are installed at a predetermined interval at which the stirring unit is installed along the rotating shaft, and the mounting tables are respectively installed at 90° intervals to the fixing clamps, and the ends of these three mounting tables are connected. Two or more main stirring blades are installed so that one main stirring blade covers a wide range of 180°, so that the object to be treated is effectively and quickly stirred throughout even one rotation of the rotation shaft.

In the above description, for convenience of explanation, reference numerals and names are given to the drawings showing preferred embodiments and configurations shown in the drawings, but this is an embodiment according to the present invention. It should not be construed as being limited, and simple substitutions from the description of the invention to changes in various shapes that can be predicted and to a configuration having the same function are within the scope of change for those skilled in the art to easily implement. It will be seen as extremely self-explanatory.

10: outer housing 11: wheels
12: opening/closing door 20: inner housing
21: housing body 22: exhaust door
30: stirring unit 31: rotating shaft
32: fixing clamp 33: mounting bracket
34: main stirring blade 35: auxiliary stirring blade
40: drive unit 41: drive motor
42: reducer 50: heating unit
51: case 52: heater
53: temperature sensor 54: entrance and exit
60: air exhaust unit 70: air supply unit
71: compressor 72: euro
73: check valve 80: controller
A: Installation angle of auxiliary stirring blade

Claims (5)

an outer housing 10 having a frame structure having a predetermined size;
The inner housing 20 is installed inside the outer housing 10, the upper surface is opened to accommodate the object to be treated therein;
a stirring unit 30 installed horizontally inside the inner housing 20 to stir the object to be treated;
a driving unit 40 installed on an outer side of the inner housing 20 to rotate the stirring unit 30;
a heating unit 50 installed along the inner bottom surface of the inner housing 20 to heat the inner housing 20;
an air exhaust unit (60) installed on one upper side of the inner housing (20) to discharge the air of the inner housing (20) to the outside;
an air supply unit 70 installed inside the outer housing 10 to supply compressed air into the inner housing 20; and
a controller 80 installed on one side of the outer housing 10 to control the operation of the driving unit 40 , the heating unit 50 , the air exhaust unit 60 and the air supply unit 70 ;
including,
The stirring unit 30,
a rotating shaft 31 installed to horizontally cross the inner housing 20;
a plurality of fixing clamps 32 installed at predetermined intervals on the rotating shaft 31;
a mounting table 33 of a predetermined length installed on the plurality of fixing clamps 32;
a main stirring blade 34 installed on the mounting table 33;
including,
The mounting base 33 is,
It is arranged so as to be spaced apart from another adjacent installation table (33) by 90°,
The main stirring blade 34 is,
Two or more are installed so as to connect the ends of the three adjacent installation tables 33 in an arc shape to space them 180° apart,
In the fixing clamp 32,
Auxiliary stirring blades 35 of a predetermined length are installed at intervals of 90° from the mounting table 33 so that the object to be treated is stirred between the rotation shaft 31 and the main stirring blades 34,
The auxiliary stirring blade 35 is,
The tip of the three auxiliary stirring blades 35 is connected and formed in an arc shape in the opposite direction to the main stirring blade 34,
The auxiliary stirring blade 35 is,
The tip is installed to be inclined at a predetermined angle (A) to one side with respect to the fixing clamp 32, and the tip of the auxiliary stirring blade 35 is positioned in the space between the pair of installation tables 33,
The heating unit 50,
A rectangular-shaped body 51 with an open upper surface;
a heater 52 installed on one side of the main body 51 and installed to have a predetermined length in a horizontal direction;
including,
In the body 51,
a temperature sensor 53 for detecting the temperature of the thermal medium stored therein; and
an inlet and outlet pipe 54 for supplying heat medium oil to the inside of the body 51 or discharging the inside heat medium oil to the outside;
is provided,
The heating unit 50,
It is installed horizontally along the middle part of the bottom surface of the inner housing 20 and is integrally fixed by welding,
The air exhaust unit 60,
It is configured so that the air and moisture inside the inner housing 20 are discharged together,
The air supply unit 70,
Compressor 71 for generating compressed air;
a flow path 72 connected to the compressor 71; and
a plurality of injection nozzles connected to the flow path 72 and supplying compressed air to the inside of the inner housing 20;
including,
Between the injection nozzle and the flow path 72,
Food, characterized in that a check valve (73) is installed to allow compressed air to be discharged toward the inner housing (20) and to block moisture inside the inner housing (20) from being discharged through the flow path (72). A device for decomposing waste, livestock manure, animal and plant remains or sewage sludge. delete delete delete delete

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