KR20010074136A - Fermentation apparatus for food garbage - Google Patents
Fermentation apparatus for food garbage Download PDFInfo
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- KR20010074136A KR20010074136A KR1020010017056A KR20010017056A KR20010074136A KR 20010074136 A KR20010074136 A KR 20010074136A KR 1020010017056 A KR1020010017056 A KR 1020010017056A KR 20010017056 A KR20010017056 A KR 20010017056A KR 20010074136 A KR20010074136 A KR 20010074136A
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- food waste
- fermentation
- wastes
- food wastes
- cylindrical body
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- 238000000855 fermentation Methods 0.000 title claims description 31
- 230000004151 fermentation Effects 0.000 title claims description 31
- 235000013305 food Nutrition 0.000 title description 2
- 239000010794 food waste Substances 0.000 claims abstract description 42
- 238000003756 stirring Methods 0.000 claims abstract description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 9
- 239000001301 oxygen Substances 0.000 claims abstract description 9
- 239000012212 insulator Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 235000021107 fermented food Nutrition 0.000 abstract description 4
- 239000002361 compost Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 238000010564 aerobic fermentation Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
- B01F27/1921—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements comprising helical elements and paddles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/114—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M1/00—Apparatus for enzymology or microbiology
- C12M1/02—Apparatus for enzymology or microbiology with agitation means; with heat exchange means
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/10—Animal feeding-stuffs obtained by microbiological or biochemical processes
- A23K10/12—Animal feeding-stuffs obtained by microbiological or biochemical processes by fermentation of natural products, e.g. of vegetable material, animal waste material or biomass
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/02—Apparatus for the manufacture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Wood Science & Technology (AREA)
- Biotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Zoology (AREA)
- General Health & Medical Sciences (AREA)
- Sustainable Development (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Genetics & Genomics (AREA)
- Microbiology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
본 발명은 음식물 쓰레기의 호기성 발효장치에 관한 것이며, 보다 상세하게는 음식물 쓰레기를 호기성 미생물에 의해 발효시켜 퇴비와 사료 등으로 자원화 하는 호기성 발효장치에 관한 것이다. 인구의 증가, 생활수준의 향상 등으로 인하여 음식물 쓰레기의 발생량은 지속적으로 증가하는 추세에 있고 이에 대한 처리비용의 문제, 환경오염의 문제 및 사회적 문제 등 여러 가지 문제를 유발하고 있다. 전통적으로 음식물 쓰레기는 손쉽고 경제적인 매립방법으로 처리하는 것이 일반적이었으나, 이 방법은 매립지의 부족, 침출수로 인한 토양 및 수질 오염 등으로 인한 문제점이 있다. 이와같은 상황에서 음식물 쓰레기의 처리방안에 대한 연구가 활발히 진행되고 있으며, 그 방법중의 하나가 미생물을 이용하여 음식물 쓰레기를 발효시켜서 퇴비와 사료로 사용하도록 한 음식물 쓰레기 발효방법이며. 이에 대한 연구와 실용화가 활발하게 추진되고 있는 실정이다. 음식물 쓰레기 발효장치는 일반적으로 교반날개가 회전을 할 때 교반날개 선단부분에 위치한 음식물 쓰레기는 교반이 잘되나 회전축에 위치한 음식물 쓰레기는 교반이 불량하게 되어, 발효가 균일하게 일어나지 않는 경우에 발효 효율이 저하되는 단점이 있으며. 음식물 쓰레기 발효에 적정한 온도는 60∼85℃가 적정한데, 여름철의 온도 상승이나 겨울철의 온도 하강에 의해 발효 효율이 저하되는 단점을 가지고 있다. 또한 발효가 끝난 음식물 쓰레기는 교반날개에 의해서 만 배출되므로 배출속도가 낮아 전체적으로 처리능력이 떨어지는 단점이 있다.The present invention relates to an aerobic fermentation apparatus for food waste, and more particularly, to an aerobic fermentation apparatus for fermenting food waste by aerobic microorganisms to be recycled into compost and feed. Due to the increase in the population and the improvement of living standards, the amount of food waste is continuously increasing, causing various problems such as disposal costs, environmental pollution, and social problems. Traditionally, food wastes were generally treated by easy and economical landfill methods, but this method has problems due to lack of landfills and soil and water pollution due to leachate. Under these circumstances, research on the treatment of food waste is being actively conducted, and one of the methods is the food waste fermentation method in which food waste is fermented using microorganisms to be used as compost and feed. Research and commercialization of this is actively being promoted. In general, food waste fermentation equipment has a good agitation when the stirring blade rotates, but food waste located on the tip of the stirring blade is agitated poorly. There is a downside to this. The proper temperature for food waste fermentation is 60 ~ 85 ℃, which has the disadvantage that the fermentation efficiency is lowered by the temperature rise in summer or the temperature drop in winter. In addition, since the fermented food waste is discharged only by the stirring blade, the discharge rate is low, and thus the overall processing capacity is lowered.
본 발명은 상기와 같은 종래의 단점을 해소하기 위한 것으로 발효조내의 2축의 수직스크류 컨베이어에 교반날개를 부착한 이송 교반장치를 설치하여 음식물 쓰레기의 이송 및 교반효율을 향상시켜 발효 효율을 향상시킨다. 원통형 본체 상부에 가온 자켓 이나 히터을 설치하고, 하부에 보온장치를 설치하여 발효에 적정한 온도를 유지하여 발효 효율을 향상시키고, 원통형 본체의 하부 배출장치에는 수평 스크류 컨베이어의 양 옆을 원추형으로 공간을 적게하여 음식물 쓰레기 적체를 방지하면서 배출속도를 증가시켜 전체적인 발효처리 시간을 단축시키는 특징이 있다.The present invention is to solve the above-mentioned drawbacks to improve the fermentation efficiency by improving the transport and stirring efficiency of food waste by installing a transfer stirring device attached to the stirring blades on the two-screw vertical screw conveyor in the fermentation tank. A heating jacket or heater is installed on the upper part of the cylindrical body, and a thermostat is installed on the lower part to maintain the proper temperature for fermentation to improve fermentation efficiency.The lower discharge device of the cylindrical body has conical space on both sides of the horizontal screw conveyor to reduce the space. It is characterized by shortening the overall fermentation treatment time by increasing the discharge rate while preventing food waste accumulation.
도 1은 본 발명에 따른 예시적인 하향식 교반날개 부착 수직 스크류 컨에이어 음식물 쓰레기 발효장치의 단면도.1 is a cross-sectional view of an exemplary top down vertical wedge stirring food waste fermentation apparatus according to the present invention.
도 2는 본 발명에 따른 예시적인 하향식 교반날개 부착 수직 스크류 컨베이어 음식물 쓰레기 발효장치의 평면도Figure 2 is a plan view of an exemplary top down vertical vane conveyor food waste fermentation apparatus according to the present invention.
도 3은 본 발명에 따른 예시적인 하향식 교반날개 부착 음식물 쓰레기 발효장치의 단면도.Figure 3 is a cross-sectional view of an exemplary top down food waste fermentation apparatus with agitated wings according to the present invention.
도 4는 본 발명에 따른 예시적인 하향식 교반날개 부착 음식물 쓰레기 발효장치의 평면도Figure 4 is a plan view of an exemplary top down food waste fermentation apparatus with agitated wings according to the invention
〈도면의 주요 부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>
1. 본체 2. 교반날개 축1. Body 2. Stirring shaft
3. 본체내벽 10. 가온자켓 또는 히터3. Inner wall of the body 10. Heating jacket or heater
11 . 보온장치 20. 수직 스크류 컨베이어11. Thermostat 20. Vertical Screw Conveyor
21. 교반날개 22. 수평 스크류 컨베이어21. Stirring vanes 22. Horizontal screw conveyor
30. 음식물 쓰레기 투입구 31. 공기 또는 산소 유입구30. Food waste inlet 31. Air or oxygen inlet
40. 변속모터40. Shifting Motor
상기의 목적을 달성하기 위한 본 발명의 발효장치는 원통형 본체 상부에 투입구를 갖고 하부에 배출구를 갖는 원통형 본체의 내부에 수직으로 2개의 수직 스크류 컨베이어를 설치하고 이 수직 스크류 컨베이어 적어도 2개의 스크류마다 축에 3방향으로 스크류식 교반날개를 부착하여 일정한 회전반경으로 회전하면서 투입된 음식물 쓰레기가 충분히 교반되도록 하였다. 음식물 쓰레기의 점도가 높은 경우에는 수직 스크류 컨베이어의 스크류 부분을 스크류식 교반날개로 대체하고 날개의 길이는 교반날개축(2)과 본체내벽(3)에 근접되도록 길게하여 본체의 내벽(3)과 교반날개축(2)에 음식물 쓰레기가 부착 또는 체류되는 것을 방지한다. 원통형 본체 상부 전면에 가온 자켓이나 히터를 설치하고 하부 전면에 보온장치를 설치하여 적절한 온도를 유지시켜 주어 발효 효율을 향상시키도록 한다.The fermentation apparatus of the present invention for achieving the above object is provided with two vertical screw conveyors vertically in the interior of the cylindrical body having an inlet on the top of the cylindrical body and an outlet on the bottom of the vertical screw conveyor at least every two screws A screw-type stirring blade was attached in three directions to rotate the food at a constant rotation radius so that the food waste was sufficiently stirred. If the food waste has a high viscosity, replace the screw part of the vertical screw conveyor with a screw type stirring blade and extend the length of the blade to be close to the stirring blade shaft 2 and the main body inner wall 3 so that the inner wall 3 of the main body Preventing food waste from adhering or staying on the stirring blade shaft (2). A heating jacket or heater is installed on the upper front of the cylindrical body and a thermostat is installed on the lower front to maintain the proper temperature to improve fermentation efficiency.
이하 본 발명의 실시 예를 첨부된 도면을 참조하여 상세하게 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 1은 본 발명에 따른 하향식 교반날개 부착 수직스크류 컨베이어 발효장치의 구조를 나타낸 단면도이고, 도 2는 본 발명에 따른 도 1의 발효장치의 구조를 나타낸 각각의 평면도이다. 도 3은 음식물 쓰레기의 점도가 높은 경우의 본 발명에 따른 발효장치의 구조를 나타낸 단면도이고, 도 4는 음식물 쓰레기의 점도가 높은 경우 도 3의 발효장치의 구조를 나타낸 평면도이다.1 is a cross-sectional view showing the structure of the vertical screw conveyor fermentation apparatus with a downward stirring blade according to the present invention, Figure 2 is a plan view of each of the structures of the fermentation apparatus of Figure 1 according to the present invention. 3 is a cross-sectional view showing the structure of the fermentation apparatus according to the present invention when the viscosity of food waste is high, Figure 4 is a plan view showing the structure of the fermentation apparatus of Figure 3 when the viscosity of food waste is high.
도시된 바와 같이 본 장치는 원통형의 본체(1)와 원통형 본체의 상부의 가온 자켓 또는 히터 장치(10), 원통형 본체의 하부의 보온장치(11) 및 원통형 본체에 수직으로 설치된 2축의 수직 스크류 컨베이어(20)와 스크류 컨베이어 축에 부착된 적어도 2개 스크류마다 교반날개(21)를 부착한 교반장치, 공기 및 산소의 주입을 위해 보온장치(11)부분에 설치한 2단의 공기 또는 산소 유입구, 및 발효된 음식물 쓰레기를 배출하기 위한 수평 스크류 컨베이어를 이용한 배출장치(22)로 구성된다.As shown, the apparatus comprises a cylindrical body 1 and a heating jacket or heater device 10 at the top of the cylindrical body, a thermostat 11 at the bottom of the cylindrical body and a two-axis vertical screw conveyor installed vertically in the cylindrical body. (20) and a stirring device equipped with a stirring blade 21 for each of at least two screws attached to the screw conveyor shaft, two stages of air or oxygen inlets installed in the thermostat 11 for injecting air and oxygen, And a discharging device 22 using a horizontal screw conveyor for discharging the fermented food waste.
교반장치는 2개의 축에 스크류를 부착한 스크류 컨베이어(20)를 수직으로 설치하고 이 스크류 컨베이어 축에 3개의 교반날개를 축의 3방향으로 설치하여 축의 중심부분의 불충분한 교반의 단점을 보완한다. 한편 음식물 쓰레기의 점도가 높은 경우에는 수직 스크류 컨베이어에 있어서 스크류(20) 부분을 교반날개(21)로 대체하여 본체의 내벽에 음식물 쓰레기가 부착하여 발생하는 적체 현상을 방지한다. 2축의 수직 스크류 컨베이어를 이용한 이송 교반장치의 구동장치인 모터는 변속모터를 사용하여 음식물 쓰레기의 상태에 따라 속도를 다르게 조정하여 에너지 효율을 증대시킨다.The stirring device vertically installs a screw conveyor 20 with screws attached to two shafts, and three stirring blades are installed on the screw conveyor shaft in three directions of the shaft to compensate for the disadvantage of insufficient stirring of the central portion of the shaft. On the other hand, when the food waste has a high viscosity, the screw 20 in the vertical screw conveyor is replaced by the stirring blade 21 to prevent the accumulation phenomenon caused by the food waste attached to the inner wall of the main body. The motor, which is the driving device of the transfer agitator using the two-axis vertical screw conveyor, uses a variable speed motor to increase the energy efficiency by adjusting the speed differently according to the state of food waste.
발효장치의 원통형 본체(1) 상부의 가온자켓 또는 히터(10)는 음식물 쓰레기의 투입 초기 상태의 온도를 일정 온도까지 유지시켜 주어 발효효율을 증대시키고, 원통형 본체(1) 하부의 보온장치(11)부분은 발효과정에서 발생되는 열에 의해 온도가 상승하게 됨에 따라 상부와 같은 가온자켓 또는 히터를 설치하지 않고 보온장치(11)를 하여 일정온도를 유지함으로써 에너지 효율을 증대시킨다. 한편 공기 또는 산소 주입구(31)를 보온장치(11)설치부분에 상, 하 2단으로 구성하여 공기 및 산소를 골고루 공급하여 준다.The warming jacket or heater 10 of the upper portion of the cylindrical body 1 of the fermentation apparatus maintains the temperature of the initial state of the input of food waste to a certain temperature to increase the fermentation efficiency, and the thermostat 11 of the lower portion of the cylindrical body 1. As the temperature rises due to the heat generated during the fermentation process, the heating device 11 maintains a constant temperature without installing a heating jacket or heater as the upper portion, thereby increasing energy efficiency. On the other hand, the air or oxygen inlet 31 is provided in the upper and lower two stages to the thermostat 11 installation portion evenly supplies air and oxygen.
원통형 본체(1)의 하부에 수평 스크류 컨베이어를 이용한 배출장치(22)를 설치하여 발효된 음식물 쓰레기의 배출속도를 증대시키고 막힘을 방지하여 배출시간의 단축을 달성한다.Installing a discharge device 22 using a horizontal screw conveyor in the lower portion of the cylindrical body 1 to increase the discharge speed of the fermented food waste and to prevent clogging to achieve a shortening of the discharge time.
이상에서 살펴본 바와 같이 본 발명의 발효 장치는 원통형 본체(1)에 설치된 2축의 수직 스크류 컨베이어(20)에 적어도 2개의 스크류마다 교반날개(21)를 부착한 이송 교반장치에 의해 음식물 쓰레기의 이송, 교반이 양호하게 이루어지고 원통형 본체(1) 하부의 보온장치(11) 부분의 상,하 2단의 공기 또는 산소 주입구(31)를 통해 공기 또는 산소를 원활하게 공급함으로써 음식물 쓰레기의 발효에 적합한 환경을 제공하고, 원통형 본체(1) 상부에는 가온자켓 또는 히터(10)를 설치하고, 발효가 진행되어 열을 필요로 하지 않는 원통형 본체(1)하부에는 보온장치(11)을 설치함으로써 용이하게 온도를 조절하여 에너지 효율을 증대시키며, 수평 스크류 컨베이어를 이용한 배출장치(22)를 설치하여 배출속도를 증대시킨다.As described above, the fermentation apparatus of the present invention transfers food waste by a transfer stirring device having a stirring blade 21 attached to each of at least two screws on a biaxial vertical screw conveyor 20 installed in the cylindrical body 1, Good agitation and an environment suitable for fermentation of food waste by smoothly supplying air or oxygen through the upper or lower air or oxygen inlets 31 of the thermostat 11 portion below the cylindrical body 1. By providing a heating jacket or heater 10 on the cylindrical body (1) upper part, and by installing a thermostat 11 in the lower part of the cylindrical body (1) that does not require heat to fermentation proceeds easily temperature Increase the energy efficiency by adjusting the, and install the discharge device 22 using a horizontal screw conveyor to increase the discharge speed.
Claims (3)
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| KR1020010017056A KR20010074136A (en) | 2001-03-30 | 2001-03-30 | Fermentation apparatus for food garbage |
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| KR1020010017056A KR20010074136A (en) | 2001-03-30 | 2001-03-30 | Fermentation apparatus for food garbage |
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| KR100810045B1 (en) * | 2007-02-13 | 2008-03-05 | 임문주 | The pump for agitator |
| KR100885669B1 (en) * | 2007-07-13 | 2009-02-25 | (주)글로벌 케어 | recycling disposal equipment of industrial food wastes |
| KR101719753B1 (en) * | 2016-04-15 | 2017-03-24 | 신광섭 | Organic waste fermentation device |
| KR101958216B1 (en) * | 2018-08-02 | 2019-03-14 | 경북대학교 산학협력단 | Vertical 3-shafts mixing semi-dry anaerobic digester and method for repairing the same |
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