KR19990083953A - Biogas method and plant of living waste and animal carcass - Google Patents
Biogas method and plant of living waste and animal carcass Download PDFInfo
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- KR19990083953A KR19990083953A KR1019990037150A KR19990037150A KR19990083953A KR 19990083953 A KR19990083953 A KR 19990083953A KR 1019990037150 A KR1019990037150 A KR 1019990037150A KR 19990037150 A KR19990037150 A KR 19990037150A KR 19990083953 A KR19990083953 A KR 19990083953A
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- 239000002699 waste material Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000010868 animal carcass Substances 0.000 title claims abstract description 16
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 19
- 230000007062 hydrolysis Effects 0.000 claims abstract description 18
- 239000010791 domestic waste Substances 0.000 claims abstract description 12
- 238000000227 grinding Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000003337 fertilizer Substances 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 4
- 244000052769 pathogen Species 0.000 claims abstract description 3
- 239000002351 wastewater Substances 0.000 claims description 18
- 239000006227 byproduct Substances 0.000 claims description 15
- 238000002309 gasification Methods 0.000 claims description 11
- 239000010813 municipal solid waste Substances 0.000 claims description 9
- 238000011978 dissolution method Methods 0.000 claims description 8
- 239000011343 solid material Substances 0.000 claims description 8
- 241000894006 Bacteria Species 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 244000005700 microbiome Species 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000004065 wastewater treatment Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 102000011782 Keratins Human genes 0.000 claims description 3
- 108010076876 Keratins Proteins 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 238000000855 fermentation Methods 0.000 claims description 3
- 230000004151 fermentation Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 229920002472 Starch Polymers 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- 102000004169 proteins and genes Human genes 0.000 claims description 2
- 108090000623 proteins and genes Proteins 0.000 claims description 2
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 230000014616 translation Effects 0.000 claims description 2
- 238000003763 carbonization Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
- 238000010298 pulverizing process Methods 0.000 abstract description 3
- 230000001717 pathogenic effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 10
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229920002527 Glycogen Polymers 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 238000009264 composting Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 208000017667 Chronic Disease Diseases 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000010564 aerobic fermentation Methods 0.000 description 1
- 239000010828 animal waste Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000001954 sterilising effect Effects 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
- 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
-
- 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
- C12M1/107—Apparatus for enzymology or microbiology with means for collecting fermentation gases, e.g. methane
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Zoology (AREA)
- Biotechnology (AREA)
- Wood Science & Technology (AREA)
- Microbiology (AREA)
- General Health & Medical Sciences (AREA)
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- Medicinal Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Genetics & Genomics (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
Abstract
본 발명은 유기성 생활쓰레기 및 동물사체를 처리하는 방법에 관한 것으로, 파쇄탱크에서 쓰레기를 잘게 분쇄한 뒤, 가수분해조속에서 분쇄된 쓰레기를 기 설정된 소정 시간동안 용해한 후 가수분해가 완료된 최종물질과 상기 전처리과정을 거친 쓰레기를 유해병원균의 소멸을 위해 분쇄탱크에서 70℃온도하에서 분쇄시킨 후 3-4시간 채류시켜 1:1의 비율로 혼합하여 pH3-5의 농도가 되도록 18-40℃의 온도하에서 3-5일간 소정량의 공기를 주입하면서 가수분해하고, 가수분해과정을 거친 쓰레기를 바이오리엑터에 투입하여 pH6.5-8.5의 농도가 되도록 50-60℃의 온도하에서 10-20일간 혐기성 조건하에서 메탄화 즉 발효하는 쓰레기 처리방법 및 장치에 의하여 메탄가스와 농업용의 액상비료를 생성하는 것이다.The present invention relates to a method for treating organic household waste and animal carcasses, and finely pulverizing waste in a crushing tank, and then dissolving the pulverized waste in a hydrolysis tank for a predetermined time and the final material after hydrolysis is completed. After the pretreatment, the waste is pulverized in the grinding tank at 70 ℃ for 3-4 hours and mixed at a ratio of 1: 1 to reduce the concentration of harmful pathogen under the temperature of 18-40 ℃. Hydrolyze while injecting a certain amount of air for 3-5 days, and put the hydrolyzed waste into the bioreactor for 10-20 days under anaerobic conditions at a temperature of 50-60 ° C. to reach a pH of 6.5-8.5. Methane is the production of methane gas and liquid fertilizer for agriculture by waste treatment methods and apparatus.
Description
본 발명은 동물사체 및 생활 쓰레기를 포함한 유기성 쓰레기의 처리 방법 및 장치에 관한 것으로, 특히 쓰레기를 잘게 분쇄하여 가수분해과정과 메탄화과정을 거치도록 함으로써, 재생에너지인 바이오가스 및 액상의 비료가 생산되도록하는 생활쓰레기 및 동물사체의 메탄가스화 방법 및 장치에 관한 것이다.The present invention relates to a method and apparatus for treating organic waste, including animal carcasses and household wastes, and in particular, to produce biogas and liquid fertilizers, which are renewable energy, by finely pulverizing waste and undergoing hydrolysis and methanation. The present invention relates to a method and apparatus for methane gasification of domestic waste and animal carcasses.
생활중에 발생되어지는 생활쓰레기 즉 음식물 쓰레기들의 처리는 현재 대부분 열처리(끓인후 건조시킴)를 한후 사료로 이용하거나, 퇴비로 만들거나, 쓰레기 하적장에 쌓아놓거나, 소각장으로 이송하는 방법이 사용되고 있으나, 상기한 방법들중 사료로 이용하거나 퇴비로 만드는 방법은 생활 쓰레기의 고형물질만 이용하는 것으로 자원재활용도가 낮으며 퇴비로 만들거나 쓰레기 하적장에 쌓아 놓을 경우에는 심한 악취가 발생되는 문제점이 있었다. 또한, 쓰레기 하적장에 쌓아놓을 경우 쓰레기로부터 발생되는 침출수에 의하여 주면 토양 및 하천을 오염시키게 되는 문제점이 발생되었다.Most of the household wastes generated during the life, that is, food wastes, are currently used as a method of heat treatment (boiling and drying), and then used as feed, composting, stacking in garbage dumps, or transferring to incinerators. Among the methods described above, the method of using as feed or composting is to use only solid materials of household waste, and there is a problem in that a low odor is generated when making a compost or stacking in a garbage dump. In addition, when stacked in a garbage dumping site, the problem of polluting the soil and rivers caused by the leachate generated from the waste was generated.
그리고, 생활중에 발생되는 쓰레기 중, 인간과 동물의 식량으로 하기에 부적합한 쓰레기 및 동물폐기물의 활용방법은 현재 공업원료로 사용하는 지방이나 가축의 사료로 사용되는 동물성 전분을 획득하는 방법이 있으나, 이러한 사료화는 최근에 광우병과 같은 동물들의 고질병을 유발시키게 되었는데, 이러한 병을 유발시키는 바이러스는 200℃이상의 온도하에서도 생존하기 때문에 동물성 전분을 생산하는 일반적인 처리방법으로는 이들을 제거할 수 없다는 사실이 입증되었으므로, 이러한 사료로 키운 소등을 인간이 먹을 경우에는 인간에게도 이러한 병이 유발되어질수 있는 문제점이 있었다.And, among the waste generated in the life, the use of waste and animal waste, which is not suitable for human and animal food, there is a method of obtaining animal starch used as feed for fat or livestock currently used as industrial raw materials. Feeding has recently led to chronic diseases of animals such as mad cow disease, which has proven to be impossible to eliminate by the usual methods of producing animal starch because the virus causing these diseases survives above 200 ° C. In the case of humans eating off the cultivation of such feed, there was a problem that such diseases can be induced in humans.
상기한 바와 같은 문제점을 해결하기 위한 본 발명의 목적은 쓰레기를 잘게 분쇄하여 가수분해과정과 메탄화과정을 거치도록 함으로써, 재생에너지인 바이오가스 및 액상의 비료가 생산되도록하는 생활쓰레기 및 동물사체의 메탄가스화 방법 및 장치를 제공하는 데 있다.An object of the present invention for solving the above problems is to finely crush the waste to undergo a hydrolysis process and a methanation process, so that the production of living waste and animal carcasses to produce renewable energy biogas and liquid fertilizer To provide a methane gasification method and apparatus.
도 1은 본 발명에 따른 생활쓰레기 및 동물사체의 메탄가스화 장치를 나타내는 블록도1 is a block diagram showing a methane gasification apparatus for household garbage and animal carcasses according to the present invention.
*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *
8 : 쓰레기 처리기 10 : 분쇄탱크8: waste disposal machine 10: grinding tank
16 : 가수분해조 28 : 바이오리엑터16: hydrolysis tank 28: bioreactor
31 : 침전조31: sedimentation tank
이하 본 발명의 실시예를 첨부 도면을 참조하여 보다 상세하게 살펴본다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
본 발명에 따른 생활쓰레기 및 동물사체의 메탄가스화 방법은 쓰레기를 잘게 분쇄한 뒤 용해하는 전처리과정과, 상기 전처리된 물질을 유해병원균의 소멸을 위해 70℃온도하에서 분쇄시킨 후 3-4시간 채류시켜 가수분해완료된 물질과 1:1의 비율로 투입하여 pH3-5의 농도가 되도록 18-40℃의 온도하에서 가수분해하는 과정과, 가수분해과정을 거친 쓰레기를 pH6.5-8.5의 농도가 되도록 50-60℃의 온도하에서 발효 즉 메탄화하는과정을 포함하여 재생에너지 인자인 바이오가스와 농업용의 액상비료를 생성하는 것이다.The method of methane gasification of household waste and animal carcasses according to the present invention comprises pretreatment of pulverizing and dissolving waste, and pretreating the pretreated materials at 70 ° C. for extinction of harmful pathogens. Hydrolyzed material was added at a ratio of 1: 1 to a pH of 3-5, and hydrolyzed at a temperature of 18-40 ° C., and the waste hydrolyzed was 50 to a concentration of pH6.5-8.5. It produces biogas, a renewable energy factor, and liquid fertilizer for agriculture, including fermentation or methanation at a temperature of -60 ° C.
한편, 상기한 본 발명에서 용해과정은 파쇄되어진 대량의 쓰레기들을 보다 용이하게 처리할 수 있는 형태로 만들어서 다음 과정으로 이송시켜주기 위한 것으로, 상기한 용해과정은 본 발명에서는 증기소독에 의한 열처리 용해방법을 이용하거나, 산과 알카리액 특히 가성소다액 또는 황산을 사용하는 화학적 용해방법을 이용하거나, 케라틴 생성인자 및 특수단백질 형성인자등의 기능을 수행하도록 특수하게 배양되어진 고활동성 미생물 발효균들의 혼합배양에 의한 호기성 용해방법을 이용하며, 경우에 따라서 이들 용해방법을 혼합한 혼합방식으로 전처리과정을 수행할 수 있으며 그 예로써는 증기소독을 통하여 전용해를 시킨 후 호기성 발효용해방법을 수행하는 방법이 있다.On the other hand, in the present invention, the dissolution process is to make a large amount of crushed waste in a form that can be more easily handled to transfer to the next process, the dissolution process is heat treatment dissolution method by steam sterilization in the present invention By chemical dissolution method using acid and alkaline liquids, especially caustic soda or sulfuric acid, or by mixed culture of highly active microbial fermentation bacteria specially cultured to perform functions such as keratin production factor and special protein formation factor. The aerobic dissolution method may be used, and in some cases, the pretreatment process may be performed by mixing the dissolution methods. For example, the aerobic fermentation and dissolution method may be performed after dissolution by steam disinfection.
그리고, 상기한 바와 같은 전처리과정을 수행한 쓰레기에 미리정해진 시간간격으로 통기량을 증가시키고, 공정수와 호기성 미생물들을 가수분해의 활성화를 위해 투입하여 18-40℃에서 3-5일간 가수분해를 시켜 3-5의 pH농도를 가진 가수분해산물을 발생시킨다.In addition, the aeration amount is increased at predetermined time intervals to the wastes subjected to the pretreatment as described above, and process water and aerobic microorganisms are added for activation of hydrolysis, and hydrolysis is performed at 18-40 ° C. for 3-5 days. To generate a hydrolyzate with a pH of 3-5.
한편, 상기 과정에서 산을 만드는 미생물들은 필요에 따라서 혐기성 가스화시설 속에서 배양되어진 스타트-박테리아들이 투입되어지며, 가수분해 단계에서 털이 붙어 있는 쓰레기들을 재활용할 때에는 연쇄상 구균인 fradiae와 같은 케라틴을 형성하는 미생물들이 투입된다.On the other hand, the acid-producing microorganisms are fed with start-bacteria cultured in an anaerobic gasification plant as needed, and form keratin, such as striac, fradiae when recycling hairy wastes during the hydrolysis step. Microorganisms are introduced.
그리고, 가수분해가 이루어지는 동안에 부수적으로 주입되는 공기량은 유입물속에 포함되어져 있는 지방, 당분, 전분, 단백질 등과 같은 다양한 성분들의 비율에 의해서 결정되어지는 지방산스펙트럼에 의하여 결정되며, 이는 유입되어질 원료들에 대한 사전실험에 의해 결정된다.The amount of air incidentally injected during hydrolysis is determined by the fatty acid spectrum determined by the ratio of various components such as fat, sugar, starch, protein, etc. contained in the influent, Determined by prior experiments.
상기 가수분해 과정을 거친 후 메탄화과정을 수행하면서 다량의 쓰레기들은 메탄가스와 액상의 잔여물로 변환되는데, 이때 상기 메탄화는 50-60℃의 온도와 6.5-8.5의 pH-농도에서 호열성 과정으로 진행되는 엄격한 혐기성 조건하에서 실행되어지며 10-20일간의 체재기간을 필요로하며, 이 과정에서 발생된 액상 잔여물은 소정량씩 메탄화과정으로 귀환된다.After the hydrolysis process, a large amount of wastes are converted into methane gas and liquid residues during the methanation process, where the methanation is thermophilic at a temperature of 50-60 ° C. and a pH-concentration of 6.5-8.5. The process is carried out under stringent anaerobic conditions and requires a period of 10-20 days, and the liquid residues generated during this process are returned to the methanation step by step.
한편, 상기 메탄화 과정에서 메탄을 형성시키는 미생물들은 필요에 따라서 스타트-박테리아들을 사용한다.On the other hand, the microorganisms that form methane in the methanation process uses start-bacteria as needed.
이와 같은 과정을 거친후 발생되는 바이오 가스에는 60-75%의 메탄이 함유되어 있으며 황화수소가 거의 포함되어져 있지 않기 때문에 바이오 가스를 정화할 필요가 없으며, 쓰레기 1톤으로부터 약 80-100m3가 생산되어진다. 그리고 이와같이 생성된 바이오 가스는 전기 및 열생산을 위해 열발전 시설을 거치는데 이 과정에서 파쇄와 가수분해시에 형성되어지는 산소가 함유된 배기가스가 상기 열발전 시설에 더 첨가되어질 수 있다.The biogas generated after this process contains 60-75% of methane and contains little hydrogen sulfide, so there is no need to purify the biogas, and about 80-100m 3 is produced from 1 ton of waste. Lose. The biogas thus produced is subjected to a thermal power generation facility for electricity and heat production. In this process, oxygen-containing exhaust gas formed during crushing and hydrolysis may be further added to the thermal power generation facility.
그리고, 이 공정에서 유출되는 폐수는 약 55℃의 온도를 나타내고 6.5-8.5의 pH농도를 가지고 있으며, 영양분을 함유하고 있기 때문에 농업용 비료로서 사용될 수 있으며, 열량은 상기 처리공장가동을 위해서 사용되어질 수 있다.In addition, the wastewater discharged from this process shows a temperature of about 55 ℃, has a pH concentration of 6.5-8.5, and can be used as agricultural fertilizer because it contains nutrients, calories can be used for operation of the treatment plant. have.
그리고, 본 발명에 따른 생활쓰레기 및 동물사체의 메탄가스화 장치는 도 1에 도시한 바와 같이 쓰레기 발생현장에 직접 설치가능하며 투입호퍼(1)로 투입된 쓰레기를 균질기(5)를 통과시킨 후 저장조(7)로 이송시켜 저장조(7)내부에 설치된 균질기(7a)로 균질화시켜 탱크롤리(50)와 연결되는 이송장치(4)를 통하여 배출하는 쓰레기 처리기(8)와, 탱크롤리(50)를 통해 투입된 쓰레기를 자체 순환장치(12)를 통하여 하부에서 상부로 순환시키면서 균질기(11)로 분쇄 및 혼합시켜 분쇄된 쓰레기는 이송장치(14)를 통하여 배출하고 고형물질는 선별탱크(36)와 연결된 배출구(15)를 통하여 배출하는 분쇄탱크(10)와, 이송장치(14)를 통하여 분쇄탱크(10)의 쓰레기를 투입받아 내부의 균질기(17)에 의해 쓰레기를 기 설정된 소정 온도, pH, 압력으로 균질화 및 가수분해시켜 선별탱크(36)와 연결된 배출구(19)로 배출시키며 이때 발생되는 악취는 바이오필터(21)와 연결된 악취제거라인(20)을 통해 배출시키고, 발생되는 폐수와 가수분해 완료된 쓰레기는 폐수라인(18)과 이송라인(22)을 통해 배출하는 가수분해조(16)와, 내부에 메탄균의 활동증대를 위해 균질기(24)가 부착되어 이송라인(22)을 통해 투입되는 쓰레기를 기 설정된 소정 온도, pH, 압력으로 메탄화시키며, 이때 발생되는 메탄가스는 가스정화조(29)와 가스저장탱크(30)에 연결된 가스라인(28)으로 배출하고 하부의 고형물질는 선별탱크(36)와 연결된 배출구(26)를 통해 배출하며, 메탄화반응이 끝난 폐수 및 부산물은 폐수라인(18) 및 부산물 이송라인(27)을 통해 배출시키는 바이오리엑터(28)와, 상기 가수분해조(16)와 바이오리엑터(28)의 폐수라인(18)및 부산물 이송라인(27)과 연결되어 투입원료를 침전시킨 후, 폐수는 폐수처리장치(33)와 정수조(34)에 연결된 이송라인(32)을 통해 배출하고, 부산물은 이송라인(35)을 통해 배출시키는 침전조(31)와, 이송라인(35)을 통해 이송된 쓰레기를 탈수시켜 탈수된 찌꺼기는 부산물 저장조(39)에 저장하고 나머지는 이송라인(38)을 통하여 바이오리엑터(23)로 재투입하는 탈수스크린(37)으로 구성된다.In addition, the methane gasification apparatus for household waste and animal carcasses according to the present invention can be directly installed at a waste generating site as shown in FIG. 1, and the storage tank after passing the waste introduced into the input hopper 1 through the homogenizer 5. (7) and the waste treatment machine (8) and the tank roller (50) which are homogenized by a homogenizer (7a) installed in the storage tank (7) and discharged through the transfer device (4) connected to the tank roller (50). The waste was crushed and mixed with the homogenizer 11 while circulating from the lower part to the upper part through the self-circulating device 12, and the pulverized waste is discharged through the conveying device 14, and the solid material is separated from the sorting tank 36. The waste tank 10 discharged through the connected outlet 15 and the waste of the grinding tank 10 are fed through the transfer device 14, and the waste is pre-set by the internal homogenizer 17 at a predetermined temperature and pH. Homogenized and hydrolyzed by pressure The odor generated at this time is discharged through the odor removal line 20 connected to the biofilter 21 through the odor removal line 20 is connected to the tank 36, the waste water generated and the hydrolyzed waste is wastewater line 18 And a hydrolysis tank 16 discharged through the transfer line 22, and a homogenizer 24 is attached to increase activity of methane bacteria therein, and the waste inputted through the transfer line 22 has a predetermined temperature. , pH, pressure and methanation, the methane gas is discharged to the gas line 28 connected to the gas purification tank 29 and the gas storage tank 30, and the solid material in the lower portion is discharged to the sorting tank 36 ( The wastewater and by-products discharged through the methanation reaction are discharged through the wastewater line 18 and the by-product transfer line 27, and the hydrolysis tank 16 and the bioreactor (26). Connected to the wastewater line 18 and by-product transfer line 27 of FIG. After the raw material is precipitated, the waste water is discharged through the transfer line 32 connected to the wastewater treatment device 33 and the water treatment tank 34, and the sedimentation tank 31 for discharging the by-products through the transfer line 35 and , The dehydrated debris by dehydrating the waste transported through the transfer line 35 is stored in the by-product storage tank 39 and the rest to the dehydration screen 37 to be re-introduced into the bioreactor 23 through the transfer line 38 It is composed.
한편, 상기한 구성에서 모든 단위기능을 수행하는 반응조들에는 역학적으로 적합한 프로그램에 의거하여 공정인자들을 조정하는 마이크로 컨트롤러모듈(도시하지 않음)이 사용되며, 이를 위하여 가수분해조(20)와 바이오리엑터(30)내부에는 pH와 온도와 압력을 검출하는 센서가 설치된다.On the other hand, the reaction tank that performs all the unit functions in the above configuration is used a microcontroller module (not shown) for adjusting the process factors based on a mechanically suitable program, for this purpose the hydrolysis tank 20 and the bioreactor (30) Inside, a sensor for detecting pH, temperature and pressure is provided.
이와 같이 구성된 본 발명에 따른 생활쓰레기 및 동물사체의 메탄가스화 장치의 동작을 하기에서 보다 상세하게 살펴보면, 우선 쓰레기 처리기(8)의 투입호퍼(1)로 투입된 크기가 큰 쓰레기는 분쇄 및 혼합을 위한 균질기(5)를 거쳐 저장조(7)에 이송되고 투입호퍼(2)로 투입된 크기가 작은 쓰레기는 저장조(7)에 직접 투입되어 균질기(7a)에 의해 균질화된 후 탱크롤리(50)와 연결된 이송장치(4)를 통하여 배출된다.Looking at the operation of the methane gasification apparatus for household waste and animal carcasses according to the present invention configured as described above in more detail, first, the large trash is added to the input hopper (1) of the waste treatment machine (8) for grinding and mixing The small trash conveyed to the storage tank 7 through the homogenizer 5 and introduced into the hopper 2 is directly injected into the storage tank 7 and homogenized by the homogenizer 7a, and then the tank roll 50 and Discharged through the connected transfer device 4.
그리고, 상기 탱크롤리(50)를 통해 이송된 쓰레기는 분쇄탱크(10)로 투입되어 분쇄탱크(10) 내부에 설치된 균질기(11)에 의해 분쇄 및 혼합공정을 거침과 동시에 자체 순환장치(12)에 의해 분쇄탱크(10) 하부에 위치된 쓰레기를 상부로 순환시키며, 이때 고형물질는 하부의 배출구(15)를 통해 선별탱크(36)로 보내어지고 분쇄된 쓰레기는 이송장치(14)에 의해 가수분해조(16)로 이송된다.Then, the waste transported through the tank roller 50 is introduced into the grinding tank 10 and undergoes the grinding and mixing process by the homogenizer 11 installed inside the grinding tank 10 and at the same time the self-circulating device 12 By circulating the waste located at the bottom of the grinding tank 10 to the upper portion, the solid material is sent to the sorting tank 36 through the outlet 15 of the lower portion and the crushed waste is passed through the conveying device 14 It is transferred to the decomposition tank 16.
가수분해조(16)로 투입된 쓰레기는 내부의 균질기(17)에 의해 균질화 및 가수분해되어 고형물질는 하부의 배출구(19)를 통해 선별탱크(36)로 이송되며 악취는 상부의 악취제거라인(20)을 통해 바이오필터(21)에서 필터링된 후 대기에 방출되며 원료상부의 폐수는 폐수라인(18)을 통해 침전조(31)로 이송되며 가수분해 완료된 쓰레기는 이송라인(22)을 통해 바이오리엑터(28)로 투입된다.The waste introduced into the hydrolysis tank 16 is homogenized and hydrolyzed by the homogenizer 17 therein, so that the solid material is transferred to the sorting tank 36 through the outlet 19 of the lower portion and the odor is removed from the odor removal line of the upper portion ( 20 is filtered through the biofilter 21 and then discharged into the atmosphere. Wastewater on the upper part of the raw material is transferred to the settling tank 31 through the wastewater line 18 and the hydrolyzed waste is transferred to the bioreactor through the transfer line 22. It is injected into (28).
그리고, 바이오리엑터(28)로 투입된 쓰레기는 메탄균의 활동증대를 위해 설치된 균질기(24)에 의하여 보다 효율적으로 메탄화되며 이때 발생되는 메탄가스는 가스라인(28)을 거쳐 가스정화조(29)에서 정화되어 가스저장탱크(30)에 저장되며 고형물질는 하부의 배출구(26)을 통해 선별탱크(36)로 보내어지며 메탄화반응이 끝난 폐수 및 부산물은 폐수라인(18) 및 부산물 이송라인(27)을 통해 침전조(31)로 이송된다.In addition, the waste introduced into the bioreactor 28 is more efficiently methanated by the homogenizer 24 installed to increase the activity of the methane bacteria, and the methane gas generated at this time is passed through the gas line 28 to the gas purification tank 29. Is purified and stored in the gas storage tank (30) and the solid material is sent to the sorting tank (36) through the outlet 26 of the lower and the waste water and by-products after the methanation reaction is a waste water line (18) and by-product transfer line (27) It is transferred to the settling tank 31 through).
침전조(31)에서는 투입되는 폐수 및 부산물을 소정시간동안 침전시켜, 이송라인(32)을 통해 배출된 폐수는 폐수처리장치(33)에서 폐수처리 후 정수조(34)에서 정류되어 방류되며, 이송라인(35)을 통해 배출된 부산물은 탈수스크린(37)으로 이송되어 찌꺼기는 부산물 저장조(39)에 저장되며 나머지는 이송라인(38)에 의해 바이오리엑터(23)로 재투입된다.In the settling tank 31, the introduced wastewater and by-products are settled for a predetermined time, and the wastewater discharged through the transfer line 32 is rectified and discharged from the water treatment tank 34 after the wastewater treatment in the wastewater treatment apparatus 33, and transported. The by-product discharged through the line 35 is transferred to the dehydration screen 37 so that the residue is stored in the by-product storage tank 39 and the rest is re-introduced into the bioreactor 23 by the transfer line 38.
따라서, 본 발명에 의하면 처리가 용이하지 않은 쓰레기 폐기물을 용이하게 처리할 수 있도록 함으로써, 환경 오염을 방지하는 효과가 있으며, 처리과정에서 발생되는 바이오가스및 액상비료를 이용할 수 있으므로 자원 재활용의 효과가 있다.Therefore, according to the present invention, it is possible to easily dispose of the waste, which is not easy to treat, thereby preventing environmental pollution, and can use biogas and liquid fertilizer generated in the treatment process, so that the effect of resource recycling is improved. have.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20020078153A (en) * | 2001-04-06 | 2002-10-18 | 동문아이알에스(주) | A system for treating livestock waste |
| KR100807059B1 (en) * | 2007-01-09 | 2008-02-25 | 강태식 | How to handle livestock carcasses |
| KR100997077B1 (en) * | 2007-11-06 | 2010-11-29 | 김윤하 | Recycling device and method using organic waste |
| KR101404152B1 (en) * | 2012-10-29 | 2014-06-05 | 김숙희 | Method and Arrangement for Manufacturing Functional Feed and Liquid Fertilizer from Food Waste by using Saccharization-decomposition processing apparatus |
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| KR100334496B1 (en) * | 2000-01-12 | 2002-05-08 | 박종웅 | Method for preliminary treatment of food waste |
| KR101235710B1 (en) * | 2012-10-02 | 2013-02-21 | 코리아워터텍 주식회사 | System and method for resource conversion of food waste |
| KR101410722B1 (en) | 2013-02-18 | 2014-06-24 | 서울과학기술대학교 산학협력단 | Anaerobic fermentation system and method for heating energy use aerobic fermentation heat |
| CN105032893A (en) * | 2015-07-03 | 2015-11-11 | 罗显平 | Animal corpse harmless disposal method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20020078153A (en) * | 2001-04-06 | 2002-10-18 | 동문아이알에스(주) | A system for treating livestock waste |
| KR100807059B1 (en) * | 2007-01-09 | 2008-02-25 | 강태식 | How to handle livestock carcasses |
| KR100997077B1 (en) * | 2007-11-06 | 2010-11-29 | 김윤하 | Recycling device and method using organic waste |
| KR101404152B1 (en) * | 2012-10-29 | 2014-06-05 | 김숙희 | Method and Arrangement for Manufacturing Functional Feed and Liquid Fertilizer from Food Waste by using Saccharization-decomposition processing apparatus |
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