KR20010000860A - food waste treatment system - Google Patents
food waste treatment system Download PDFInfo
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- KR20010000860A KR20010000860A KR1020000062492A KR20000062492A KR20010000860A KR 20010000860 A KR20010000860 A KR 20010000860A KR 1020000062492 A KR1020000062492 A KR 1020000062492A KR 20000062492 A KR20000062492 A KR 20000062492A KR 20010000860 A KR20010000860 A KR 20010000860A
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- food waste
- tank
- treatment
- treatment tank
- effluent
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- 239000010794 food waste Substances 0.000 title claims description 61
- 239000002023 wood Substances 0.000 claims abstract description 9
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 5
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims abstract description 3
- 150000002739 metals Chemical class 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 230000000813 microbial effect Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 19
- 230000001590 oxidative effect Effects 0.000 claims description 11
- 239000000356 contaminant Substances 0.000 claims description 9
- 239000005416 organic matter Substances 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000000855 fermentation Methods 0.000 claims description 5
- 230000004151 fermentation Effects 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 3
- 238000006065 biodegradation reaction Methods 0.000 claims 2
- 238000001816 cooling Methods 0.000 claims 1
- 238000010298 pulverizing process Methods 0.000 claims 1
- 235000013305 food Nutrition 0.000 abstract description 13
- 239000002699 waste material Substances 0.000 abstract description 9
- 239000007787 solid Substances 0.000 abstract description 5
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 239000011368 organic material Substances 0.000 abstract 2
- 229910010272 inorganic material Inorganic materials 0.000 abstract 1
- 239000011147 inorganic material Substances 0.000 abstract 1
- 239000002361 compost Substances 0.000 description 9
- 244000005700 microbiome Species 0.000 description 6
- 238000004042 decolorization Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 244000144972 livestock Species 0.000 description 2
- 235000019645 odor Nutrition 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000218645 Cedrus Species 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 235000021107 fermented food Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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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
-
- 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
-
- 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
-
- 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
-
- 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
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/78—Recycling of wood or furniture waste
Landscapes
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Environmental & Geological Engineering (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Medicinal Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
본 발명은 음식물쓰레기 처리시스템에 관한 것으로, 보다 상세하게는 음식물쓰레기의 고형분뿐만 아니라 유출수까지 완전히 정화시켜 재활용할 수 있을 뿐만 아니라 음식물쓰레기에 의한 2차오염을 방지할 수 있는 새로운 구성의 음식물쓰레기 처리시스템에 관한 것이다.The present invention relates to a food waste treatment system, and more particularly, to clean and recycle not only solid waste of food waste but also effluent water, and to treat secondary waste caused by food waste. It's about the system.
일반적으로 음식물쓰레기는 소각처리하거나 매립처리한다. 그러나 음식물쓰레기를 소각처리하는 경우에는 다이옥신 등과 같은 유해물질과 악취가 발생하는 등의 문제점이 있다. 그리고 음식물쓰레기를 매립하는 경우에는 음식물쓰레기로부터 악취가 발생될 뿐만 아니라 음식물에서 발생되는 침출수에 의해 토양과 수질이 오염되는 2차오염이 발생되며, 지반침하가 발생되는 등의 문제점이 있다. 그리고 이와 같은 문제점으로 인해 주민들이 음식물쓰레기 소각장이나 매립장 등의 설치를 반대함으로써 소각장이나 매립장 확보도 힘든 실정이다.Generally, food waste is incinerated or landfilled. However, in the case of incineration of food waste, there are problems such as generation of harmful substances and odors such as dioxins. And when the food waste is buried, not only the bad smell is generated from the food waste, but also secondary pollution in which soil and water are contaminated by leachate generated from the food, and ground subsidence occurs. In addition, due to such problems, it is difficult for residents to secure incinerators or landfills by opposing the installation of food waste incinerators or landfills.
한편, 음식물쓰레기를 처리하는 방법 중에는 음식물쓰레기를 발효시켜 퇴비 또는 사료로 재활용하는 방법이 있다. 이와 같이 음식물쓰레기를 사료 또는 퇴비로 재활용하는 경우에는 먼저, 음식물쓰레기에서 이물질을 제거하는 등의 전처리한 다음, 음식물을 발효시켜서 퇴비 또는 가축의 사료로 사용한다. 그런데 이때 음식물쓰레기의 고형분은 발효되어 퇴비나 사료로 재활용되나 각 처리단계에서 발생되는 유출수는 거의 그대로 방치되어 이에 의해 2차오염이 발생된다.On the other hand, among the methods for treating food waste, there is a method of fermenting food waste and recycling it to compost or feed. When the food waste is recycled as feed or compost in this way, first, pretreatment such as removing foreign matter from the food waste, and then fermented food is used as feed for compost or livestock. However, at this time, the solids of food waste are fermented and recycled as compost or feed, but the effluent generated in each treatment step is left as it is, causing secondary pollution.
본 발명은 상기의 문제점을 해결하기 위한 것으로서, 본 발명의 목적은 음식물쓰레기의 고형분은 발효시켜 퇴비나 사료로 재활용할 뿐만 아니라 음식물쓰레기에서 유출되는 유출수까지 완전히 정화시켜 생활용수로 재활용함으로써 경제적이며, 음식물쓰레기에 의한 2차오염을 방지할 수 있어서 환경친화적인 새로운 구성의 음식물쓰레기 처리시스템을 제공하는 것이다.The present invention is to solve the above problems, an object of the present invention is economical by fermenting the solid content of food waste to be recycled as compost or feed, as well as completely cleans out effluent flowing out of the food waste into household water, food It is possible to prevent secondary pollution caused by garbage, thereby providing a food waste treatment system with a new environmentally friendly composition.
도 1은 본 발명에 의한 일실시예를 보인 개략도1 is a schematic view showing an embodiment according to the present invention
도 2는 상기 실시예에서 사용된 산화소멸조를 보인 단면도Figure 2 is a cross-sectional view showing an oxidizing tank used in the embodiment
〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>
10. 저장조 12. 파쇄기10. Storage tank 12. Crusher
14. 회전선별기 16. 비중선별기14. Rotary sorter 16. Specific gravity sorter
20. 산화소멸조 30. 부숙조20. Oxidation annihilation tank
40. 원심분리기 50. 미생물접촉조40. Centrifuge 50. Microbial contact tank
60. 탈색흡착조60. Decolorization adsorption tank
본 발명에 따르면, 수집된 각종 음식물쓰레기를 파쇄하거나 또는 음식물쓰레기에 포함된 금속이나 비닐류 등과 같은 협잡물을 선별하여 제거하는 파쇄선별과정과, 상기 협잡물이 제거된 음식물쓰레기를 산화소멸조(20)에서 처리하여 음식물쓰레기에서 함유된 수분을 증발시켜 제거하는 수분제거과정과, 상기 수분이 제거된 음식물쓰레기를 발효시키는 발효과정과, 상기 각 처리과정에서 발생되어 집수된 유출수를 미생물접촉조(50)에서 처리하여 유출수 중의 유기물을 생분해하는 유기물분해과정과, 유기물이 분해제거된 유출수 중에 잔류하는 유기물 또는 무기물을 흡착제로 흡착하여 제거하는 흡착과정을 포함하며, 상기 미생물접촉조(50)에는 미생물담체로 목재칩이 저장된 것을 특징으로 하는 음식물쓰레기 처리시스템이 제공된다.According to the present invention, the crushing screening process for crushing the various kinds of collected food waste or to remove and remove the contaminants such as metals and vinyls contained in the food waste, and the food waste from which the impurities are removed in the oxidizing tank 20 The water removal process for evaporating and removing the water contained in the food waste by treatment, the fermentation process for fermenting the food waste from which the water is removed, and the effluent collected in each treatment process in the microbial contact tank 50. Organic decomposition process for biodegrading organic matter in the effluent by treatment, and adsorption process for removing the organic or inorganic matter remaining in the effluent from which the organic matter is decomposed by adsorbent, and the microbial contact tank 50 in the wood Provided is a food waste treatment system, wherein the chips are stored.
본 발명의 다른 특징에 따르면, 상기 산화소멸조(20)는 상면에 개폐도어(22)가 구비된 본체(22)와, 상기 본체(22) 내부에 장착되어 내부에 음식물쓰레기를 투입할 수 있도록 구성되고 그 둘레부에는 열매체가 순환되는 가열챔버(25)가 구비된 처리조(23)와, 상기 가열챔버(25)에 장착되어 열매체를 가열하는 히터(24)와, 상기 처리조(23)의 내부에 수평으로 장착되어 처리조(23) 내부의 음식물쓰레기를 혼합 및 분쇄하는 임펠러(26)와, 상기 본체(22) 내부에 장착되어 처리조(23) 내부의 공기를 배출하는 송풍기(27)와, 상기 처리조(23)에 연결되어 처리조(23)에서 배출되는 공기를 냉각하는 냉각기(29)를 포함하여 구성된 것을 특징으로 하는 음식물쓰레기 처리시스템이 제공된다.According to another feature of the invention, the oxidizing annihilation tank 20 is the main body 22 is provided with an opening and closing door 22 on the upper surface, it is mounted in the main body 22 to feed food waste therein A treatment chamber 23 having a heating chamber 25 through which the heat medium is circulated, a heater 24 mounted to the heating chamber 25 to heat the heat medium, and the processing tank 23. An impeller 26 mounted horizontally inside the mixing tank 23 to mix and crush food waste in the treatment tank 23, and a blower 27 mounted inside the main body 22 to discharge air from the treatment tank 23. And a cooler 29 connected to the treatment tank 23 to cool the air discharged from the treatment tank 23, the food waste treatment system is provided.
이하, 본 발명의 바람직한 실시예를 첨부한 도면에 의거하여 설명하면 다음과 같다. 도 1은 본 발명의 일실시예를 보인 개략도이다.Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. 1 is a schematic view showing an embodiment of the present invention.
본 발명은 음식물쓰레기의 고형분은 발효시켜 퇴비 또는 사료화하고, 음식물쓰레기에서 발생되는 유출수는 별도로 집수하여 그 중에 포함된 유기물을 미생물로 분해하여 정화처리하는 음식물쓰레기처리시스템으로, 음식물쓰레기가 저장되는 저장조와 상기 저장조(10)에 저장된 음식물쓰레기를 파쇄하는 파쇄기(12)와, 음식물쓰레기에서 못이나 비닐 등의 협잡물을 선별하는 선별기(14,16)와, 음식물쓰레기에 함유된 수분을 제거하는 산화소멸조(20)와, 상기 수분이 제거된 음식물쓰레기를 발효시키는 부숙조(30)가 순차적으로 배치되고, 상기 저장조(10), 파쇄기(12), 선별기(14,16) 및 산화소멸조(20)에는 음식물쓰레기에서 발생되는 유출수가 집수되는 집수관(70)이 각각 배관되며, 이 집수관(60)을 통해 집수된 유출수가 처리되는 미생물접촉조(50)를 포함하는 처리시스템에서 이루어진다. 이때 각 장치사이에는 이송컨베이어(62)나 이송라인(64)이 설치되어 음식물이 각각의 공정으로 용이하게 이송되도록 구성된다.The present invention is a food waste treatment system for fermenting the solid content of the food waste to compost or feed, and collecting the effluent generated from the food waste separately to decompose and clean the organic matter contained therein into microorganisms, the storage tank in which the food waste is stored And a shredder 12 for shredding the food waste stored in the storage tank 10, and sorting machines 14 and 16 for sorting the contaminants such as nails and vinyl from the food waste, and annihilation and oxidation to remove water contained in the food waste. The tank 20 and the decommissioned tank 30 for fermenting the food waste from which the water is removed are sequentially disposed, and the storage tank 10, the crusher 12, the sorters 14, 16, and the oxidizing tank 20 are disposed. ), Each of the water collecting pipes 70 for collecting the outflow water generated from the food waste is piped, and includes a microbial contact tank 50 for treating the outflow water collected through the collecting pipe 60. Lee takes place in the system. At this time, the transfer conveyor 62 or the transfer line 64 is installed between each device is configured so that food is easily transferred to each process.
먼저, 각종 음식물쓰레기가 저장된 저장조(10)의 배출구(11)를 통해 배출되는 음식물 쓰레기는 이송컨베이어(62)에 의해 파쇄기(12)로 이송되어, 후공정인 수분제거공정에서 수분이 효과적으로 제거되며, 발효과정에서 음식물이 효과적으로 발효되도록 적당한 크기로 파쇄된다. 이와 같이 파쇄된 음식물쓰레기는 선별기(14,16)로 이송되어 음식물쓰레기 중에 포함된 못이나 비닐 등과 같은 협잡물이 선별된다. 이때에는 메쉬망을 드럼형상으로 성형하여 된 회전선별기(14)를 통해 1차로 협잡물을 선별해낸 다음, 비중선별기(16)를 통해 2차로 협잡물을 선별제거한다. 이와 같이 선별된 협잡물은 협잡물이송컨베이어(63)를 통해 외부로 반출된다.First, the food waste discharged through the discharge port 11 of the storage tank 10 in which various food wastes are stored is transferred to the crusher 12 by the transfer conveyor 62, so that water is effectively removed in the water removal process, which is a post process. In the fermentation process, the food is crushed to an appropriate size to effectively ferment the food. The crushed food waste is transferred to the sorting machines 14 and 16 to sort out impurities such as nails and vinyls contained in the food waste. At this time, the contaminants are firstly sorted through the rotary sorter 14 formed by forming the mesh net in a drum shape, and then the contaminants are selectively removed through the specific gravity sorter 16. The sorted contaminants thus selected are carried out to the outside through the contaminant transport conveyor 63.
이와 같이하여 협잡물이 제거된 음식물쓰레기는 산화소멸조(20)로 이송된다. 상기 산화소멸조(20)는 상면에 개폐도어(21)가 형성된 본체(22) 내부에 처리조(23)가 구비되어 이루어지는데, 상기 처리조(23)의 둘레부에는 히터(24)에 의해 가열된 열매체의 순환에 의해 가열되는 가열챔버(25)가 구비되며, 처리조(23)의 내부에는 투입된 음식물쓰레기를 혼합 및 분쇄하는 임펠러(26)가 수평설치된다. 따라서 가열챔버(25) 내의 열매체를 히터로 가열하면 처리조(23)가 간접적으로 가열되어 처리조(23) 내부의 음식물쓰레기에 포함된 수분이 증발되는데, 이때 임펠러(26)를 작동시키면 임펠러(26)에 의해 음식물쓰레기가 분쇄되면서 혼합되어 음식물쓰레기에 포함된 수분이 원활히 증발된다. 한편, 상기 산화소멸조(20)의 본체(22) 내부에는 내부공기를 배출하는 송풍기(27)가 장착되고 처리조(23)의 일측에는 배기구(28)가 형성되는데, 이 배기구(28)에는 공기여과장치(31)가 연결된 냉각기(29)가 구비된다. 따라서 상기 송풍기(27)가 작동되면 처리조(23)의 내부공기가 배기구(28)를 통해 배출되는데, 이때 공기중에 포함된 습기는 냉각기(29)에 의해 응축되어 제거되고, 이 응축수는 공기의 배출라인 중에 형성된 드레인을 통해 배출되어 각 단계에서 유출된 유출수와 함께 미생물접촉조(50)로 유입되어 처리된다.In this way, the food waste from which the contaminants are removed is transferred to the oxidizing tank 20. The oxidation-extinguishing tank 20 is provided with a treatment tank 23 inside the main body 22 having the opening and closing door 21 formed on the upper surface thereof. A heater 24 is disposed around the treatment tank 23. A heating chamber 25 heated by circulation of the heated heating medium is provided, and an impeller 26 for mixing and crushing the injected food waste is horizontally installed inside the treatment tank 23. Therefore, when the heat medium in the heating chamber 25 is heated by a heater, the treatment tank 23 is indirectly heated to evaporate the water contained in the food waste inside the treatment tank 23. In this case, when the impeller 26 is operated, the impeller ( 26, the food waste is crushed and mixed, and the water contained in the food waste evaporates smoothly. Meanwhile, a blower 27 for discharging internal air is mounted inside the main body 22 of the oxidizing tank 20, and an exhaust port 28 is formed at one side of the treatment tank 23. The cooler 29 to which the air filtration device 31 is connected is provided. Therefore, when the blower 27 is operated, the internal air of the treatment tank 23 is discharged through the exhaust port 28, where moisture contained in the air is condensed and removed by the cooler 29, and the condensate is It is discharged through the drain formed in the discharge line and flows into the microbial contact tank 50 with the outflow water discharged in each step is processed.
이와 같은 산화소멸조(20)에서 수분이 제거된 음식물쓰레기는 부숙조(30)로 이송되어 소정기간 발효되는데, 음식물쓰레기에 발효균을 혼합하여 일정기간 발효시킨다. 필요에 따라서는 산화소멸조(20)에 발효균을 혼합하여 산화소멸조(20)에서 음식물이 발효되도록 할 수도 있으나, 처리량이 비교적 많은 경우에는 별도의 부숙조(30)에서 처리하는 것이 바람직하다. 이와 같이 하여 발효된 음식물쓰레기는 퇴비로 사용하거나 가축의 사료로 사용한다.The food waste from which the water is removed from the oxidizing tank 20 is transferred to the decommissioning tank 30 and fermented for a predetermined period of time. If necessary, the fermentation bacteria may be mixed in the oxidizing tank 20 to allow food to be fermented in the oxidizing tank 20, but when the throughput is relatively large, it is preferable to treat the separate duct 30. The food waste thus fermented is used as compost or as feed for livestock.
한편, 전술한 바와 같은 각 과정에서 발생되는 유출수는 각 과정에 배관된 집수관(60)을 통해 집수되어 미생물접촉조와 탈색흡착조롤 거쳐 정화된다. 이때 바람직하게는 집수된 유출수를 미생물접촉조(50)에서 처리하기 전에 먼저 원심분리기(40)에서 처리하여 유출수에 포함되어 있을 수 있는 고형분을 먼저 제거한 다음, 산화폭기조(42)와 침전조(44), 저장조(46) 등의 일련의 전처리조에서 전처리하고 미생물접촉조(50)로 유입시킨다. 이 미생물접촉조(50)에서는 미생물에 의해 유출수 중의 유기물이 분해되는데, 미생물접촉조(50)에는 미생물담체로 목재칩이 저장되어 미생물의 성장과 활동을 촉진시킨다. 이 목재칩은 내부에 무수히 많은 공극이 존재하여 넓은 표면적을 가지기 때문에 미생물이 부착하여 서식할 수 있는 넓은 서식처를 제공하며, 이와 같이 미생물이 목재칩에 부착되어 서식함으로써 미생물과 유출수의 접촉면적이 넓어져서 미생물에 의한 유기물의 분해가 활발해진다. 바람직하게는 목재칩으로는 완전 탈수된 직경 4~20㎜ 정도의 삼나무 또는 참나무칩을 사용하는데, 이와 같은 목재칩을 미생물접촉조(50) 부피의 80~100%만큼 충진한다. 이와 같이 미생물담체로 목재칩이 충진된 미생물접촉조(50)에는 미생물에 의해 유출수 중의 유기물이 완전 생분해된다. 이때 미생물접촉조(50)를 다단으로 여러개 병렬설치할 수도 있는데, 이와 같이 하면 유출수가 다단으로 여러번 반복 처리되므로 유출수의 유기물 분해율이 상승된다. 이와 같이 미생물접촉조(50)에서 유기물이 분해된 유출수는 흡착제로 활성탄이 내장된 탈색흡착조(60)를 통과하게 되는데, 이 탈색흡착조(60)를 통과하면서 유출수에 잔류하는 유기 및 무기성분이 흡착되어 처리수의 악취나 색깔 등이 완전히 제거된다. 이와 같이 미생물접촉조(50)와 탈색흡착조(60)를 거쳐 완전히 정화된 유출수는 변기세정수나 세차용수, 정원용수 등과 같은 생활용수로 재활용한다.On the other hand, the outflow water generated in each process as described above is collected through the collecting pipe 60 piped in each process is purified through the microbial contact tank and the decolorization adsorption tank roll. In this case, preferably, the collected effluent is treated in a centrifuge 40 first to remove the solids that may be included in the effluent before treatment in the microbial contact tank 50, and then the oxidation aeration tank 42 and the settling tank 44. , Pre-treatment in a series of pre-treatment tanks, such as storage tank 46 and flows into the microbial contact tank (50). In the microbial contact tank 50, organic matter in the effluent is decomposed by microorganisms, and the microbial contact tank 50 stores wood chips as microbial carriers to promote growth and activity of microorganisms. This wood chip has a large surface area because there are countless voids inside, so it provides a wide habitat for microorganisms to attach and inhabits. As a result, the decomposition of organic matter by the microorganism is promoted. Preferably, the wood chip is used as a cedar or oak chip of about 4 to 20 mm in diameter completely dehydrated, such a wood chip is filled by 80 to 100% of the volume of the microbial contact tank (50). As described above, the microbial contact tank 50 in which the wood chips are filled with the microbial carrier is completely biodegraded in the effluent by microorganisms. At this time, the microbial contact tank 50 may be installed in multiple stages in parallel, and in this case, since the effluent is repeatedly processed in multiple stages, the decomposition rate of organic matter in the effluent is increased. As such, the effluent from which the organic matter is decomposed in the microbial contact tank 50 passes through the decolorization adsorption tank 60 in which activated carbon is embedded as an adsorbent, and the organic and inorganic components remaining in the effluent while passing through the decolorization adsorption tank 60. This adsorbs the odor and color of the treated water completely. In this way, the effluent completely purified through the microbial contact tank 50 and the decolorization adsorption tank 60 is recycled into living water such as toilet water, car wash water, and garden water.
이상에서와 같이 본 발명에 의하면, 음식물쓰레기의 고형분은 발효시켜 퇴비나 사료로 재활용할 뿐만 아니라 음식물쓰레기에서 유출되는 유출수까지 완전히 정화시킬 수 있는 음식물쓰레기 처리시스템이 제공된다. 이와 같은 처리시스템은 음식물쓰레기를 퇴비나 사료 그리고 생활용수로 재활용할 수 있으므로 경제적이며, 음식물쓰레기에서 유출되는 유출수까지 완전히 정화시켜 처리부산물이 발생되지 않으므로 환경친화적이다. 특히 본 발명에서는 음식물쓰레기에서 발생되는 유출수를 처리하는 미생물접촉조에 미생물담체로 목재칩을 충진하기 때문에 유출수의 처리효율이 상당히 우수하다.As described above, according to the present invention, there is provided a food waste treatment system capable of completely purifying the effluent from the food waste, as well as the fermentation and recycling of the food waste as compost or feed. Such a treatment system is economical because food waste can be recycled to compost, feed and household water, and is environmentally friendly because it does not generate treatment by-products by completely purifying the effluent from food waste. Particularly, in the present invention, wood chips are filled with a microbial carrier in a microbial contact tank for treating effluents generated from food waste, so that the effluent treatment efficiency is excellent.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100758173B1 (en) * | 2007-05-02 | 2007-09-12 | 양현식 | Method for reusing of foodwaste |
| KR102437821B1 (en) | 2022-04-18 | 2022-08-30 | 이에스솔라 주식회사 | Isolation device for support of solar power generating device |
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| KR200199315Y1 (en) * | 2000-04-18 | 2000-10-02 | 주식회사제오텍 | Annexation disposal system of food waste and sewage |
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| KR20010077554A (en) * | 2000-02-03 | 2001-08-20 | 동 석 강 | The quantity reductive feed-making teratment apparatus of a food garbage, and the above treatment method |
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| JPH0924360A (en) * | 1995-07-07 | 1997-01-28 | Miike Tekkosho Kk | Waste recycling plant |
| JPH11221552A (en) * | 1998-02-06 | 1999-08-17 | Ube Techno Enji Kk | Treatment of waste food and treating device |
| KR20010002877A (en) * | 1999-06-18 | 2001-01-15 | 이승기 | Method for proceeding garbage and apparatus thereof |
| KR20010077554A (en) * | 2000-02-03 | 2001-08-20 | 동 석 강 | The quantity reductive feed-making teratment apparatus of a food garbage, and the above treatment method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100758173B1 (en) * | 2007-05-02 | 2007-09-12 | 양현식 | Method for reusing of foodwaste |
| KR102437821B1 (en) | 2022-04-18 | 2022-08-30 | 이에스솔라 주식회사 | Isolation device for support of solar power generating device |
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