WO2001017702A1 - Food waste treatment apparatus - Google Patents

Food waste treatment apparatus Download PDF

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Publication number
WO2001017702A1
WO2001017702A1 PCT/KR2000/000907 KR0000907W WO0117702A1 WO 2001017702 A1 WO2001017702 A1 WO 2001017702A1 KR 0000907 W KR0000907 W KR 0000907W WO 0117702 A1 WO0117702 A1 WO 0117702A1
Authority
WO
WIPO (PCT)
Prior art keywords
food waste
treatment tub
air
heating chamber
heating
Prior art date
Application number
PCT/KR2000/000907
Other languages
French (fr)
Inventor
Jung Yeop Seo
Original Assignee
Myung Jin E & T Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Myung Jin E & T Co., Ltd. filed Critical Myung Jin E & T Co., Ltd.
Priority to KR1020017004772A priority Critical patent/KR20010082231A/en
Priority to AU64808/00A priority patent/AU6480800A/en
Publication of WO2001017702A1 publication Critical patent/WO2001017702A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
    • B02C19/186—Use of cold or heat for disintegrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24—Passing gas through crushing or disintegrating zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B1/00—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids
    • F26B1/005—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids by means of disintegrating, e.g. crushing, shredding, milling the materials to be dried
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/08—Humidity
    • F26B21/086—Humidity by condensing the moisture in the drying medium, which may be recycled, e.g. using a heat pump cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/005—Treatment of dryer exhaust gases

Definitions

  • the present invention relates to a food waste disposal apparatus, and in particular to a food waste disposal apparatus which does not produce stink and/or polluted and waste water by effectively crushing and drying food waste.
  • a conventional food waste disposal apparatus is made to eliminate moisture contained in food waste, thus decreasing the volume of the food waste to be discharged, and preventing environmental pollution due to the food waste.
  • food waste is crushed by an independently installed crusher and then compressed by using a compressor installed in an another body so that moisture contained in the food waste can be extracted.
  • a food waste disposal apparatus which includes a main body and a treatment tub installed at a lower portion of the same, comprising at least one rotary crusher unit installed in the interior of the treatment tub, said rotary crusher unit including a rotary shaft, and a heating chamber around the rotary shaft for heating food waste in order to evaporate moisture contained therein.
  • the rotary crusher unit is capable of mixing food waste upon its rotation by direct contact with it thereby crushing and disintegrating food waste.
  • the heating chamber of the rotary crusher unit heats the food waste to a high temperature and liquefying it thereby eliminating the moisture in the food waste.
  • the rotary crusher unit compresses and crushes food waste and simultaneously heats it using a heating medium of the heating chamber installed therein, the volume of the food waste is decreased, and quick and effective treat ment of the food waste can be achieved.
  • a heating chamber in which a heating medium is circulated is also formed around the treatment tub, and this heating chamber communicates with the heating chamber of the rotary crusher unit.
  • heat can be quickly and uniformly transferred to the food waste by combination of the heating chambers of the treatment tub and the rotary crusher unit thereby obtaining a synergy effect. If a circulation cycle is formed between the two chambers by the use of the same driving force (for example, pump), it is possible to obtain a high thermal efficiency and economical advantage as this structure requires no additional heat medium supplying unit.
  • an air blower installed in the main body and connected with the treatment tub for discharging the air in the treatment tub
  • a cooling unit connected with the treatment tub for cooling the air discharged from the treatment tub
  • hot moisture vapor in the treatment tub vaporized from the food waste is quickly flown into the cooling unit by a strong flow of the outer air discharged from the air blower, and the moisture contained in the air is liquefied by the cooling unit acting as a condenser. Therefore, a solid foreign material is not mixed to the discharge water and directly discharged to the outside.
  • air having only gaseous components is filtered and purified, so that it is possible to effectively prevent stink and eliminate harmful components.
  • moisture contained in the food waste is quickly vaporized by the rotary crusher unit, moisture containing.hot air is also quickly gathered at the cooling unit and can be discharged to the outside.
  • the air filtering apparatus connected with the cooling unit for eliminating harmful components and stink in the air which passed through the cooling unit also makes it possible to effectively prevent stink and eliminate harmful components.
  • the air filtering apparatus can be formed as an exchangeable cartridge based on the amount of the food waste to be treated.
  • the rotary crusher unit is formed as, for example, an impeller having a cross section of triangular or diamond shape, however, any shape of the rotary crusher unit may be adapted for crushing food waste into small pieces.
  • Figure 1 is a front view illustrating a food waste disposal apparatus according to the present invention
  • Figure 2 is a side view illustrating a food waste disposal apparatus according to the present invention
  • Figure 3 is a plan view illustrating a food waste disposal apparatus according to the present invention.
  • an inlet portion 2 is formed at upper part of a main body 6.
  • An opening and closing door 4 is attached to the upper surface of the body 6 for opening and closing the inlet portion 2.
  • a treatment tub 10 is installed in the interior of the body 6. Upper part of the treatment tub 10 communicates with the inlet portion 2 for thereby receiving food waste therethrough.
  • a discharge portion 12 is installed at one side of the body 6 for discharging the treated food waste to the outside.
  • An opening and closing door 14 is attached to the discharge portion 12 for opening and closing the discharge portion 12.
  • a heating chamber 16 is installed surrounding outer circumference of the treatment tub 10 for circulating a heating medium therein. At least one heater 18 is installed in the heating chamber 16 for heating a heating medium. Therefore, the heating medium heated by the heater 18 heats the food waste in the treatment tub 10 for thereby vaporizing moisture in the food waste.
  • a heating medium provided in the heating chamber 16 oil is preferably used.
  • an impeller 22 is installed in the interior of the treatment tub 10 and is driven by a driving motor 20 that is installed in the body 6.
  • the impeller 22 is formed in a triangular or square column shape(diamond shape) having respective concave portion at each side.
  • a rotary shaft 24 horizontally passes through both ends of the treatment tub 10 and is extended to the outside in a longitudinal direction.
  • a decelerator 26 connected with one end of the rotary shaft 24 is connected with the driving motor 20.
  • the driving motor 20 drives, the impeller 22 rotates for thereby crushing and mixing food waste and vaporizing moisture in the food waste.
  • inner lower surface of the treatment tub 10 is formed in a concave shape for thereby effectively crushing and mixing the food waste when the impeller 22 rotates.
  • the impeller " 22 includes a heating chamber 28 in which a heat medium is circulated.
  • the heating chamber 28 is connected with the heating chamber 16 of the treatment tub 10 through a flow path formed in the rotary shaft 24 installed in the impeller 22.
  • the heating chamber 16 is again connected with a circulation pump 30 capable of circulating the heating medium.
  • the circulation pump 30 operates, the heating medium heated in the heating chamber 16 flows into the heating chamber 28 of the impeller 22, and returning to the heating chamber 16, completing a cycle.
  • the impeller 22 heats the food waste for thereby more effectively evaporating moisture contained in the food waste.
  • the heating medium in the heating chamber 16 flows into the pump 30 through a pipe 73 by the drive of the same and is discharged through an end portion of a narrow pipe 70 which is longitudinally extended in the interior of the rotary shaft 24 and is supplied to the heating chamber 28 through a plurality of discharge holes 71.
  • a circulating cycle of the heating medium by a driving force source 30 has advantages in efficiency and economic cost.
  • a conventional rotary joint may be used for the connecting construction of the pipe 74 and the rotary shaft 24.
  • an air blower 46 is installed in the interior of the main body 6.
  • the air blower 46 is connected with a suction port 48 formed in the treatment tub 10 for thereby forcibly flowing external air into the treatment tub 10.
  • the discharge port 50 is connected with a cooling unit 52 capable of cooling air discharged from the treatment tub 10.
  • the cooling unit 52 includes an air pipe 56 connected to the discharge port 50 in the tank 54. As the air blower 46 operates, the air discharged from the treatment tub 10 passes through the air pipe 56 and is cooled by the cooling unit 52.
  • the air pipe 56 includes a drain (not shown) at one side of the same for thereby discharging water into which the moisture is condensed.
  • An additional pipe is connected with the tank 54 of the cooling unit 52 for supplying or cooling water.
  • An air filtering apparatus 62 is connected to the cooling unit 52 according to the present invention.
  • the air filtering apparatus 62 includes charcoal or carbon in the interior of a casing 64 connected with the air pipe 56 of the cooling unit 52 for removing harmful components contained in the air which passes through the casing 64. Harmful components contained in the air discharged from the cooling unit 52 is eliminated thereby preventing stink.
  • the casing 64 of the cooling unit 62 is preferably formed as a cartridge for easy exchange. After the complete operation of the impeller of the food waste disposal apparatus, a resultant solid from which moisture is fully removed is discharged through the discharge port 12 completing a food waste treatment process.
  • the food waste disposal apparatus In the food waste disposal apparatus according to the present invention, the food waste is crushed by the impeller 22 whereas the conventional food waste disposal apparatus has the food waste crushed by using an independently installed crushing unit for compressing and removing moisture contained in the food waste. Therefore, the overall construction of the food waste disposal apparatus can be simplified. Since the food waste provided in the interior of the treatment tub 10 is heated, and further, the moisture is eliminated from the food waste, effective elimination of moisture and reduction of the net volume of food waste can be achieved. In addition, since the air discharged from the treatment tub 10 is cooled, and the moisture contained in the air is condensed and discharged, foreign material such as debris of food is not contained in the discharge water which is discharged upon processing the food waste. Therefore, in the present invention, it is possible to prevent any pollution due to the discharged water.
  • the harmful components contained in the air are eliminated using the air filtering apparatus 62, it is possible to prevent stink.
  • fungi may be provided into the treatment tub 10 for fermenting food waste.
  • the food waste discharged after fermentation may be used as fertilizer or animal food.

Abstract

The present invention relates to a food waste disposal apparatus which does not produce stink and polluted and waste water by effectively crushing and drying food waste. The food waste disposal apparatus includes at least one rotary crusher unit installed in the interior of the treatment tub, said rotary crusher unit including a rotary shaft, and a heating chamber for heating a food waste gathered around the rotary shaft and evaporating moisture contained in the food waste.

Description

FOOD WASTE TREATMENT APPARATUS
BACKGROUND OF THE INVENTION
1 Field of the Invention The present invention relates to a food waste disposal apparatus, and in particular to a food waste disposal apparatus which does not produce stink and/or polluted and waste water by effectively crushing and drying food waste.
2. Description of the Background Art Generally, a conventional food waste disposal apparatus is made to eliminate moisture contained in food waste, thus decreasing the volume of the food waste to be discharged, and preventing environmental pollution due to the food waste. In the conventional food waste disposal apparatus, food waste is crushed by an independently installed crusher and then compressed by using a compressor installed in an another body so that moisture contained in the food waste can be extracted.
This type of the above-described conventional food waste disposal apparatus additionally requires a crushing machine which should be installed separate from the main body thereby complicating overall construction of the apparatus. Further, since food waste debris is contained in a waste water produced when compressing the food waste, there is a possibility that stinks and polluted and waste water may still remain.
SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a food waste disposal apparatus which includes a main body and a treatment tub installed at a lower portion of the same, comprising at least one rotary crusher unit installed in the interior of the treatment tub, said rotary crusher unit including a rotary shaft, and a heating chamber around the rotary shaft for heating food waste in order to evaporate moisture contained therein. The rotary crusher unit is capable of mixing food waste upon its rotation by direct contact with it thereby crushing and disintegrating food waste. At the same time, the heating chamber of the rotary crusher unit heats the food waste to a high temperature and liquefying it thereby eliminating the moisture in the food waste. As the rotary crusher unit compresses and crushes food waste and simultaneously heats it using a heating medium of the heating chamber installed therein, the volume of the food waste is decreased, and quick and effective treat ment of the food waste can be achieved.
A heating chamber in which a heating medium is circulated is also formed around the treatment tub, and this heating chamber communicates with the heating chamber of the rotary crusher unit.
In the present invention, heat can be quickly and uniformly transferred to the food waste by combination of the heating chambers of the treatment tub and the rotary crusher unit thereby obtaining a synergy effect. If a circulation cycle is formed between the two chambers by the use of the same driving force (for example, pump), it is possible to obtain a high thermal efficiency and economical advantage as this structure requires no additional heat medium supplying unit.
According to the present invention, there are further provided an air blower installed in the main body and connected with the treatment tub for discharging the air in the treatment tub, and a cooling unit connected with the treatment tub for cooling the air discharged from the treatment tub.
In the present invention, hot moisture vapor in the treatment tub vaporized from the food waste is quickly flown into the cooling unit by a strong flow of the outer air discharged from the air blower, and the moisture contained in the air is liquefied by the cooling unit acting as a condenser. Therefore, a solid foreign material is not mixed to the discharge water and directly discharged to the outside. In an accompanying process, air having only gaseous components is filtered and purified, so that it is possible to effectively prevent stink and eliminate harmful components. In particular, in the present invention, since moisture contained in the food waste is quickly vaporized by the rotary crusher unit, moisture containing.hot air is also quickly gathered at the cooling unit and can be discharged to the outside. An air filtering apparatus connected with the cooling unit for eliminating harmful components and stink in the air which passed through the cooling unit also makes it possible to effectively prevent stink and eliminate harmful components. The air filtering apparatus can be formed as an exchangeable cartridge based on the amount of the food waste to be treated. The rotary crusher unit is formed as, for example, an impeller having a cross section of triangular or diamond shape, however, any shape of the rotary crusher unit may be adapted for crushing food waste into small pieces.
BRIEF DESCRIPTION OF THE DRAWINGS
The present invention will become better understood with reference to the accompanying drawings which are given only by way of illustration and thus are not limitative of the present invention, wherein;
Figure 1 is a front view illustrating a food waste disposal apparatus according to the present invention;
Figure 2 is a side view illustrating a food waste disposal apparatus according to the present invention; and Figure 3 is a plan view illustrating a food waste disposal apparatus according to the present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
The embodiments of the present invention will be now explained with reference to the accompanying drawings.
As shown in Figures 1 through 3, in a food waste disposal apparatus according to the present invention, an inlet portion 2 is formed at upper part of a main body 6. An opening and closing door 4 is attached to the upper surface of the body 6 for opening and closing the inlet portion 2. A treatment tub 10 is installed in the interior of the body 6. Upper part of the treatment tub 10 communicates with the inlet portion 2 for thereby receiving food waste therethrough. A discharge portion 12 is installed at one side of the body 6 for discharging the treated food waste to the outside. An opening and closing door 14 is attached to the discharge portion 12 for opening and closing the discharge portion 12. A heating chamber 16 is installed surrounding outer circumference of the treatment tub 10 for circulating a heating medium therein. At least one heater 18 is installed in the heating chamber 16 for heating a heating medium. Therefore, the heating medium heated by the heater 18 heats the food waste in the treatment tub 10 for thereby vaporizing moisture in the food waste. As a heating medium provided in the heating chamber 16, oil is preferably used.
In addition, an impeller 22 is installed in the interior of the treatment tub 10 and is driven by a driving motor 20 that is installed in the body 6. The impeller 22 is formed in a triangular or square column shape(diamond shape) having respective concave portion at each side. A rotary shaft 24 horizontally passes through both ends of the treatment tub 10 and is extended to the outside in a longitudinal direction. A decelerator 26 connected with one end of the rotary shaft 24 is connected with the driving motor 20. When the driving motor 20 drives, the impeller 22 rotates for thereby crushing and mixing food waste and vaporizing moisture in the food waste. At this time, inner lower surface of the treatment tub 10 is formed in a concave shape for thereby effectively crushing and mixing the food waste when the impeller 22 rotates.
According to the present invention, the impeller "22 includes a heating chamber 28 in which a heat medium is circulated. The heating chamber 28 is connected with the heating chamber 16 of the treatment tub 10 through a flow path formed in the rotary shaft 24 installed in the impeller 22. The heating chamber 16 is again connected with a circulation pump 30 capable of circulating the heating medium. When the circulation pump 30 operates, the heating medium heated in the heating chamber 16 flows into the heating chamber 28 of the impeller 22, and returning to the heating chamber 16, completing a cycle. When mixing food waste using the impeller 22, the impeller 22 heats the food waste for thereby more effectively evaporating moisture contained in the food waste. The heating medium in the heating chamber 16 flows into the pump 30 through a pipe 73 by the drive of the same and is discharged through an end portion of a narrow pipe 70 which is longitudinally extended in the interior of the rotary shaft 24 and is supplied to the heating chamber 28 through a plurality of discharge holes 71. When the heating medium is filled in the heating chamber 28, it passes through the rotary shaft 24 through the incoming holes 72 and returns to the heating chamber 16 by way of a pipe 74. As described above, a circulating cycle of the heating medium by a driving force source 30 has advantages in efficiency and economic cost. For the connecting construction of the pipe 74 and the rotary shaft 24, a conventional rotary joint may be used.
Next, an air blower 46 is installed in the interior of the main body 6. The air blower 46 is connected with a suction port 48 formed in the treatment tub 10 for thereby forcibly flowing external air into the treatment tub 10. When the air blower 46 operates, the external air flows into the treatment tub 10, thus the air in the interior of the treatment tub 10 is forced to flow into the discharge port 50 formed at a side of the treatment tub 10. The discharge port 50 is connected with a cooling unit 52 capable of cooling air discharged from the treatment tub 10. The cooling unit 52 includes an air pipe 56 connected to the discharge port 50 in the tank 54. As the air blower 46 operates, the air discharged from the treatment tub 10 passes through the air pipe 56 and is cooled by the cooling unit 52. The moisture contained in the air is condensed so that air which does not contain moisture can be finally dischared to the outside. At this time, the air pipe 56 includes a drain (not shown) at one side of the same for thereby discharging water into which the moisture is condensed. An additional pipe is connected with the tank 54 of the cooling unit 52 for supplying or cooling water.
An air filtering apparatus 62 is connected to the cooling unit 52 according to the present invention. As shown in Figure 3, the air filtering apparatus 62 includes charcoal or carbon in the interior of a casing 64 connected with the air pipe 56 of the cooling unit 52 for removing harmful components contained in the air which passes through the casing 64. Harmful components contained in the air discharged from the cooling unit 52 is eliminated thereby preventing stink. The casing 64 of the cooling unit 62 is preferably formed as a cartridge for easy exchange. After the complete operation of the impeller of the food waste disposal apparatus, a resultant solid from which moisture is fully removed is discharged through the discharge port 12 completing a food waste treatment process.
In the food waste disposal apparatus according to the present invention, the food waste is crushed by the impeller 22 whereas the conventional food waste disposal apparatus has the food waste crushed by using an independently installed crushing unit for compressing and removing moisture contained in the food waste. Therefore, the overall construction of the food waste disposal apparatus can be simplified. Since the food waste provided in the interior of the treatment tub 10 is heated, and further, the moisture is eliminated from the food waste, effective elimination of moisture and reduction of the net volume of food waste can be achieved. In addition, since the air discharged from the treatment tub 10 is cooled, and the moisture contained in the air is condensed and discharged, foreign material such as debris of food is not contained in the discharge water which is discharged upon processing the food waste. Therefore, in the present invention, it is possible to prevent any pollution due to the discharged water. Further, as the harmful components contained in the air are eliminated using the air filtering apparatus 62, it is possible to prevent stink. In another embodiment, fungi may be provided into the treatment tub 10 for fermenting food waste. In this case, the food waste discharged after fermentation may be used as fertilizer or animal food. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, unless otherwise specified, but rather should be construed broadly within its spirit and scope as defined in the appended claims.

Claims

What is claimed is:
1. A food waste disposal apparatus including a main body and a treatment tub installed at a lower portion of the same, comprising: at least one rotary crusher unit installed in the interior of said treatment tub, said rotary crusher unit including: a rotary shaft; and a heating chamber installed around said rotary shaft for heating food waste and evaporating moisture contained in said food waste.
2. The apparatus of claim 1, wherein a heating chamber in which a heating medium is circulated is also formed surrounding said treatment tub, and said heating chamber communicates with said heating chamber of said rotary crusher unit.
3. The apparatus of claim 1 , wherein said food waste disposal apparatus further includes: an air blower installed in the interior of said main body and connected with said treatment tub for thereby discharging air in said treatment tub; and a cooling unit connected with said treatment tub for cooling said air discharged from said treatment tub.
4. The apparatus of claim 3, wherein said food waste disposal apparatus further includes an air filtering apparatus connected with said cooling unit for removing harmful components contained in the air discharged from the cooling unit.
5. The apparatus of claim 4, wherein said air filtering apparatus is formed as an exchangeable cartridge.
6. The apparatus of claim 1, wherein said rotary crusher unit is formed as an impeller having a cross section of triangular or diamond shape.
7. A food waste disposal apparatus, comprising: a main body having an opening and closing door installed on an upper surface of said main body; a treatment tub installed in the interior of said main body for receiving food waste therein; a heating chamber installed around said treatment tub for circulating a heating medium therein; a heater installed in said heating chamber for heating said heating medium; an impeller horizontally installed in the interior of said treatment tub and driven by a driving motor for mixing and crushing the food waste in the said treatment tub; an air blower installed in said main body and connected with said treatment tub for discharging the air from said the treatment tub; a cooling unit connected with said treatment tub for cooling the air discharged from said treatment tub; and an air filtering apparatus connected with said cooling unit for eliminating harmful components contained in the air which passes through the cooling unit.
PCT/KR2000/000907 1999-08-16 2000-08-16 Food waste treatment apparatus WO2001017702A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020017004772A KR20010082231A (en) 1999-08-16 2000-08-16 Food waste treatment apparatus
AU64808/00A AU6480800A (en) 1999-08-16 2000-08-16 Food waste treatment apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019990033643A KR19990078874A (en) 1999-08-16 1999-08-16 food waste treatment apparatus
KR1999/33643 1999-08-16

Publications (1)

Publication Number Publication Date
WO2001017702A1 true WO2001017702A1 (en) 2001-03-15

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KR102342186B1 (en) * 2019-10-31 2021-12-22 코스탈 주식회사 A food garbage treating apparatus

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