KR20100103044A - Food waste livestock feed and compost and bio-gas production pretreatment system - Google Patents

Food waste livestock feed and compost and bio-gas production pretreatment system Download PDF

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KR20100103044A
KR20100103044A KR20090021443A KR20090021443A KR20100103044A KR 20100103044 A KR20100103044 A KR 20100103044A KR 20090021443 A KR20090021443 A KR 20090021443A KR 20090021443 A KR20090021443 A KR 20090021443A KR 20100103044 A KR20100103044 A KR 20100103044A
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facility
food waste
tank
waste
food
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KR20090021443A
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Korean (ko)
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송수니
송명운
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송수니
송명운
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    • 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
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/20—Animal feeding-stuffs from material of animal origin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/04—Heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
    • 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
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/145—Feedstock the feedstock being materials of biological origin
    • 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

Abstract

PURPOSE: A pre-treatment system for producing livestock-feed, compost, and bio-gas using food-waste is provided to eco-friendly dispose the food-waste by overcoming problems related to wastewater, stench, and sludge. CONSTITUTION: A sealed hopper(10) includes a magnetic metal separation unit(11), a crushing and stirring unit(12). A first stirring unit(40) separates and washes food-waste. A first aeration unit(50) floats floating impurities(2). An intermediate shielding wall separates the floating impurities, the food-waste, and non-metal waste. A first mesh screen conveyor system(60) sorts the floating impurities. A second stirring unit(41) floats the washed food-waste on water. A second mesh screen conveyor system(61) sorts the floated food-waste. A third precipitative bath screen conveyor system(62) sorts non-ferrous metals and non-metals.

Description

음식물류폐기물의 가축사료 및 퇴비와 바이오 가스 생산 전처리시스템{ Food waste Livestock feed and compost and bio-gas production Pretreatment system}Livestock feed and compost and bio-gas production pretreatment system

본 발명은 각종 음식물류 폐기물을 선별과 파쇄, 세정, 가열멸균소독, 건조, 고형화, 부패숙성 과정 등의 공정을 거쳐 단시간에 대용량의 사료 생산과 신재생에너지인 바이오가스와 농가의 퇴비 등을 생산하는 공정에 관한 것이다. The present invention, through the process of sorting and crushing various food wastes, washing, heat sterilization, drying, solidification, decay process, etc. in a short time to produce a large amount of feed and renewable energy biogas and compost of farms It is about process.

사회적으로 문제시 되고 있는 음식물류폐기물을 수집하여 호퍼에 투입한 후 자력금속 분리시설을 경유하여 금속이물질을 제거하고, 분쇄 교반시설로 분쇄하고, 세정분리처리수조에 투입되어, 1차 교반시설로 음식물류폐기물간의 응착을 풀어주며 세정하여 염류를 저감시키고, 1차 폭기조의 공기에 의해 비닐이나 나무, 플라스틱, 스티로폼 등의 자력금속 분리시설에서 분리하지 못한 부유이물질을 수면에 부유시킨다. 부유된 이물질들은 1차 그물망 스크린콘베이어시스템에 의해 선별분리 제거된다. 1차 교반시설과 1차 폭기조를 거친 음식물류폐기물은 서서히 가라앉게 되고 중간벽 하단을 통과하여 2차 교반시설을 거치게 된다. 이때 2차 폭기조에서 가는 공기를 뿜어 올려, 음식물류 폐기물들과 함께 공기와 접합하여 뜨게 만들고 2차 그물망 스크린 콘베이어시스템에 의해서 선별분리 되고 가열멸균 소독조로 투입되게 된다. 세정분리처리수조의 마지막단계에는 비철금속 등의 이물질들(비철금속, 병, 도자기, 고무, 뼈, 비철금속 등)과 음식물류폐기물의 슬러지를 3차 침전조 스크린콘베이어시스템이 설치되어 선별분리 되고 슬러지는 혐기성부패조시설로 투입되게 된다. 가열멸균 소독조에서 위생 처리된 음식물류폐기물은 탈수 및 교반건조화 시설로 운반되어 탈수 후 건조화 과정을 거쳐 고형화처리 건조되어 사료로 생산된다. 혐기성부패조시설로 투입된 슬러지들은 120일 이상 무산소 숙성하여 바이오가스를 생산하게 되며, 생산된 바이오 가스는 가열멸균소독조와 탈수건조화 시설의 연료로 재사용되며, 가열멸균 소독조와 탈수건조화 시설에서 발생한 폐수와 탈수 등으로 인한 침출수는 혐기성부패조시설로 투입되어 부패하게 된다. 일정기간 숙성 부패된 슬러지 등은 탈수과정과 건조과정을 거쳐 농가에 퇴비를 판매하게 된다. 그리고 각 공정별로 탈취시설을 설치하고, 냉각응축기를 경유하여 임시저장탱크에 저장 후 혐기성부패조시설로 투입되게 된다. 이러한 전처리 자동화 공정을 거쳐 음식물류폐기물을 사료화, 에너지화, 퇴비화로 재생산 할 수 있는 효율적인 시스템에 관한 것이다.   Collect food wastes that are socially problematic and put them in the hopper, remove metal foreign substances through the magnetic metal separation facility, grind them to the grinding stirring facility, put them into the washing separation treatment tank, and feed the food logistics to the primary stirring facility. It loosens the adhesion between the wastes and cleans them to reduce salts. The air in the primary aeration tank floats the floating foreign matters which could not be separated in the magnetic metal separation facilities such as vinyl, wood, plastic, and styrofoam. Suspended debris is screened and removed by the primary mesh screen conveyor system. Food waste from the first agitator and the first aeration tank slowly sinks and passes through the second agitator through the bottom of the middle wall. At this time, the air from the secondary aeration tank is spun up, bonded with air together with food wastes, floated, and separated by a secondary net screen conveyor system and put into a heat sterilization disinfection tank. At the final stage of the washing separation treatment tank, a non-ferrous metals such as non-ferrous metals (bottles, bottles, ceramics, rubber, bones, non-ferrous metals, etc.) and sludges from food waste are screened by a 3rd settling tank screen conveyor system. It will be put into the facility. Food wastes sanitized in the heat sterilization tank are transported to dehydration and agitation drying facilities, dehydrated and dried to be solidified and dried to produce feed. Sludge introduced into the anaerobic decay plant produces biogas after anoxic aging for more than 120 days, and the produced biogas is reused as a fuel for heat sterilization and dehydration drying facilities, and wastewater generated from heat sterilization and dehydration drying facilities. Leachate resulting from dehydration is decomposed into anaerobic decay facilities. Aged, sludge, etc. aged for a certain period of time will be sold to the farm after dehydration and drying. In each process, deodorization facilities are installed, stored in a temporary storage tank via a cooling condenser, and then introduced into the anaerobic decay facility. The present invention relates to an efficient system capable of reproducing food wastes through feed, energy, and composting through such pretreatment automation processes.

음식물류폐기물이란 식품의 판매·유통 과정에서 버려지는 음식물, 가정과 식당 등의 조리 과정의 부산물, 먹고 남긴 음식물, 유통기간이 지난 식품 등의 버려지는 농·축·수산물 등을 뜻한다. 우리나라 쓰레기의 핵심인 음식물류폐기물은 물기가 많아 매립하거나 소각할 경우 심각한 환경문제를 일으킨다. 특히 ’05년부터 폐기물 관리법에 의해 직매립이 금지되어 각 지방 자치단체마다 음식물쓰레기 처리 대책에 부심이다. 우리나라 음식물쓰레기의 1일 발생량은 1만3,028톤으로, 전체 쓰레 기 중 26%나 된다. 이는 국민 1인당 하루 0.27kg씩, 하루 한끼 식사량을 음식물쓰레기로 배출한다고 생각하면 되고, 비용으로 환산할 경우 연간 14조7,000억 원이나 된다. 이러한 음식물류폐기물을 최대한 재활용해야 하는 방안이 시급하다. 우리나라 실정에 맞고, 주변 환경에 영향을 미치지 않으며, 액체와 고체, 기체를 동시에 완벽하게 처리하고 재사용할 수 있어야 한다. Food waste refers to foods discarded during the sale and distribution of foods, by-products of cooking processes such as homes and restaurants, foods left over, and agricultural, livestock, and aquatic products, such as foods that have passed their expiration date. Food and food waste, the core of Korean waste, has a lot of water and causes serious environmental problems when it is landfilled or incinerated. In particular, since 2005, direct landfilling has been banned under the Waste Management Act, and each municipality is taking measures to dispose of food waste. The daily amount of food waste in Korea is 13,028 tons, accounting for 26% of the total waste. This can be thought of as discharging 0.27kg of food per person per day as food waste and converting it into a cost of 1.4 trillion won per year. There is an urgent need to recycle these food wastes as much as possible. In accordance with the situation in Korea, does not affect the surrounding environment, and must be able to completely process and reuse the liquid, solid, and gas at the same time.

일반적인 음식물류폐기물의 사료화시설은 사료나 퇴비생산 또는 바이오가스 등의 단일 품목만을 생산하였다. 사료화 시설 또한 음식물류폐기물의 부패와 이물질의 처리문제 등 소규모화로 운영되었던 것이 단점이었다. 현재 각 지방자치단체에서 재활용을 위해 수거하는 음식물류폐기물은 한곳에 집결하여 분류 및 처리를 하고 있다. 자동 선별과정 등을 거치는 기계를 설치하였지만 실효성이 미미하여 인력으로 충원하고 있다. 또한 기계에 투입하기 전 처리과정에서 인위적인 소맥분과 수분조절제 및 발효제 등의 첨가물 혼합과 음식물폐기물의 섬유질을 효과적으로 파괴할 수 없어 발효 사료로서 가축이 복용 시 흡수율이 저하되는 등의 저급의 불균형 사료가 생산되고 있으며, 이로 인한 생산비 원가가 높아 경제성이 낮다. 그리고 음식물류폐기물의 처리 시 발생되는 악취를 탈취하지 못해 주위 공기를 오염시키는 등의 문제점도 안고 있다. 그리고 지금까지 개발된 유기성 폐기물 처리장치로 대부분 건조시키는 방법을 사용하고 있으나 이는 가열로 인한 연료손실과 염류가 그대로 존재하게 된다. 그리고 퇴비의 경우 퇴비까지의 생산 단계의 처리기간이 길다. 염류 축적으로 인한 토지의 산성화와 부패균에 의한 농작물의 병충해로 인해 효율적이지 못하다는 문제점을 안고 있다. The general food waste feed facility produced only a single item such as feed or compost or biogas. Feeding facilities also had disadvantages such as corruption of food waste and disposal of foreign matters. Currently, food wastes collected for recycling by local governments are collected and sorted in one place. A machine that goes through the automatic sorting process is installed, but it is filled with manpower due to its ineffectiveness. In addition, low-level unbalanced feed is produced such that the mixing of additives such as artificial wheat flour, moisture control agent, and fermentation agent and fiber waste of food waste can not be effectively destroyed during processing before being put into the machine. As a result, production costs are high and economic efficiency is low. In addition, there is a problem such as polluting the surrounding air due to the deodorization of the odor generated during the processing of food waste. In addition, most of the organic waste treatment devices developed so far use a drying method, but fuel loss and salts due to heating remain intact. And in the case of compost, the processing period of the production stage until compost is long. The problem is that the acidification of the land due to salt accumulation and pests of crops caused by decayed bacteria are not efficient.

음식물류폐기물을 처리설비에 투입하여 자동으로 선별과 파쇄, 세정, 가열멸균소독, 건조, 고형화 부패숙성 과정 등을 거치고 인위적인 소맥분 등의 첨가물 혼합을 하지 않으며, 음식물류폐기물 자체로만 단시간 내에 대용량의 가축 사료를 생산 가능해야 하며, 세정후의 잔존폐수의 처리, 건조시키는 과정에서의 연료손실, 처리 시 발생되는 악취의 탈취문제, 슬러지처리 등의 문제점을 해결해야 한다. 그리고 퇴비를 생산함에 있어 생산 단계의 처리기간이 길고, 염류 축적으로 인한 토지의 산성화와 부패균에 의한 농작물의 병충해가 없어야 하며, 이와 연계하여 신재생에너지인 바이오가스를 생산해내야 한다. 이러한 처리과정 등은 주변 환경에 영향을 미치지 않으며, 전처리설비시스템을 갖춘 미래지향적인 친환경 음식물류폐기물 다목적처리시스템이어야 한다.Food waste is put into the processing facility and automatically sorted, crushed, washed, heat sterilized, dried, and solidified rot. It should be able to produce and solve problems such as treatment of residual wastewater after washing, fuel loss in drying process, deodorization problem of odor generated during treatment, sludge treatment, etc. In the production of compost, the processing period of the production stage is long, there should be no acidification of the land due to salt accumulation and pests of crops caused by decayed bacteria, and in connection with this, biogas, which is renewable energy, should be produced. This treatment process does not affect the surrounding environment, and it should be a future-oriented eco-friendly food waste multi-purpose treatment system equipped with a pretreatment system.

이러한 상기 과제의 문제점을 해결하기 위한 본 시스템은 음식물류폐기물을 수집하여 선별과 파쇄, 세정, 가열멸균소독, 건조, 고형화 과정, 퇴비화, 바이오가스 생산 등의 과정을 거치는 중에 인위적인 첨가물 혼합을 하지 않고, 음식물류폐기물 자체로만 생산처리 되며, 염분을 제거하고, 이물질을 최소화하였다. 세정후의 잔존폐수의 처리 또한 혐기성 부패조로 리싸이클 되며, 건조시키는 과정에서의 연료를 혐기성부패조에서 생산된 바이오가스를 사용하기 때문에 경제적이라 하겠다. 그리고 처리 시 발생되는 악취의 탈취문제는 각 공정별로 탈취시설을 설치하고, 냉 각응축기를 경유하여 임시저장탱크에 저장 후 슬러지와 함께 혐기성부패조시설로 리싸이클 형식으로 구성되어 있다.The present system for solving the problems of the above problems is to collect the food waste, without the artificial additives mixing during the process of sorting and crushing, washing, heat sterilization, drying, solidification process, composting, biogas production, Food waste is produced and processed only by itself, salt is removed, and foreign substances are minimized. The treatment of the remaining waste water after washing is also recycled to the anaerobic decay tank, and it is economical because the fuel used in the drying process uses the biogas produced in the anaerobic decay tank. In addition, the problem of odor deodorization generated during treatment is to install a deodorization facility for each process, and store it in a temporary storage tank via a cooling condenser and then recycle it to an anaerobic decay facility with sludge.

본 공정시스템은 주변 환경에 영향을 미치지 않고 음식물류폐기물 자체로만 전 처리되어 사료, 퇴비, 친환경 신재생에너지인 바이오가스까지 생산, 활용할 수 있어 기존의 방식으로 하여금 효율을 극대화시켜 미래지향적인 친환경 음식물류폐기물 다목적처리시스템이라 할 수 있겠다.This process system is pre-treated only with food waste itself without affecting the surrounding environment, and can produce and utilize feed, compost, and biogas, which is eco-friendly renewable energy. It is a multipurpose processing system.

본 고안은 음식물류폐기물(1)을 수집하여 선별과 파쇄, 세정, 가열멸균소독, 건조, 고형화 과정, 부패과정 등을 거쳐 퇴비(120)와 바이오가스(110)를 생산하는 시스템에 관한 것이다. The present invention relates to a system for collecting compost 120 and biogas 110 by collecting food waste (1) through the screening and crushing, washing, heat sterilization, drying, solidification, decay process and the like.

이하 첨부된 도면들을 참조하여 본 발명의 예시를 상세하게 설명한다면, Hereinafter, an example of the present invention will be described in detail with reference to the accompanying drawings.

도 1에서는 음식물류폐기물(1)을 수집 후 본 시스템에 투입에서 최종선별까지의 처리과정을 설명한 사시도로써 음식물류폐기물(1) 수거차량이 본 시스템시설에 음식물류폐기물(1)을 호퍼(10)에 투입하게 되면 호퍼(10)는 밀폐방식으로 자동으로 잠겨 악취를 차단한다. 호퍼(10)에 투입된 음식물류폐기물(1)은 자력금속분리시설(11)을 경유하여 금속이물질(수저, 병뚜껑, 통조림통, 금속그릇 등)을 자성체로 선별분리제거하게 되고 이와 동시에 분쇄교반시설(12)에서 약 5cm 크기로 분쇄되며, 비닐 등에 밀봉되어 있는 음식물 등을 강제 개봉시킨다. 분쇄된 음식물류폐기물(1)은 흐르는 물로 채워져 있는 세정분리처리수조(A)로 이동되어져 1차 교반시 설(40)의 역할로 물속에서 세정하게 되며, 염류 또한 제거다. 1차 교반시설(40)을 통과한 세정된 음식물류폐기물(3)은 호퍼(10)에서 자력금속분리시설(11)에서 분리되지 못한 물에 가라앉는 비철금속과 비금속류(도자기, 유리, 뼈, 슬러지)(4) 등의 이물질, 부유이물질(2) 등으로 분리되어, 1차 폭기조(50)로 이동되며, 부유이물질(2)은 1차 폭기조(50)에서 분사되는 공기(52)와 밀착 결합하여 수면으로 상승부유하게 되고, 중간차단벽(30) 상단으로 흘러 1차 그물망스크린 콘베이어시스템(60)에 의해 선별분리 이동되어 지고, 준비된 부유이물질(2) 저장소에 저장되어져 처리한다. 중간차단벽(30)은 가라앉은 세정된 음식물류폐기물(3)과 비철금속과 비금속류(도자기, 유리, 뼈, 슬러지)(4) 등의 이물질을 부유이물질(2)로부터 차단하기 위해 설치 구성되며, 하단부는 세정된 음식물류폐기물(3)과 비철금속과 비금속류(도자기, 유리, 뼈, 슬러지)(4) 등의 이물질 등의 자체 무게에 의해 가라앉은 이물질들의 통행을 위해 개방되고, 상단부분은 부유이물질(2)이 흘러 갈수 있도록 수면보다 10~20cm 정도 낮게 설치된다. 중간차단벽(30) 하단부를 통과한 세정된 음식물류폐기물(3)과 비철금속과 비금속류(도자기, 유리, 뼈, 슬러지)(4) 등은 2차 교반시설(41)을 통과하게 되는데 이때 2차 교반시설(41)은 가라앉은 세정된 음식물류폐기물(3)을 수면으로 끌어올리는 역할을 하게 된다. 이때 2차 교반시설(41) 앞의 2차 폭기조(51)가 가는 공기(52)를 수면 위쪽으로 분사하여 세정된 음식물류폐기물(3)과 결합하고 잠시 동안 부유하게 된다. 잠시 부유되어진 세정된 음식물류폐기물(3)은 2차 그물망스크린 콘베이어시스템(61)에 의해 선별 분리되어지게 되며, 가열멸균 소독조(70)로 이동하게 되어 진다. 2차 교반시설(41)과 2차 폭기조(51)를 통과 한 비철금속과 비금속류(도자기, 유리, 뼈, 슬러지)(4) 등은 3차 침전조 스크린 콘베이어시스템(62)으로 이동되어지며 선별분리 되게 된다. 비철금속과 비금속류(도자기, 유리, 뼈, 슬러지)(4)등은 별도로 저장하여 폐기처분하게 되고, 슬러지는 혐기성 부패조시설(100)로 이동되어진다. 이러한 단계를 갖는 세정분리처리수조(A)는 악취차단을 위해 단계별로 탈취시설(20)을 갖추고 있으며, 탈취된 증기와 공기(52)는 냉각응축기(21)를 경유하여 액체로 변환되어 냉각응축수 임시저장소(22)로 저장되게 되며, 혐기성 부패조시설(100)로 이동하게 된다. Figure 1 is a perspective view illustrating the processing process from the input to the final screening after collecting the food waste (1), the food waste (1) collection vehicle puts the food waste (1) in the hopper 10 to the system facility When the hopper 10 is automatically sealed in a closed manner to block the odor. The food waste (1) introduced into the hopper (10) is separated through a magnetic metal separation facility (11) to remove and remove metal foreign matter (spoons, bottle caps, cans, metal bowls, etc.) with a magnetic material and at the same time crushing stirring facilities At 12, the food is crushed to a size of about 5 cm, and the food and the like sealed by vinyl are forcibly opened. The crushed food waste (1) is moved to a washing separation treatment tank (A) filled with running water to clean the water in the role of the first stirring facility 40, and also removes salts. The cleaned food waste (3) that has passed through the primary stirring facility (40) is non-ferrous metals and nonmetals (ceramic, glass, bone, sludge) that sink in water that cannot be separated from the magnetic metal separation facility (11) in the hopper (10). (4) is separated into foreign matter, floating foreign matter (2), etc., is moved to the primary aeration tank 50, the floating foreign matter (2) is in close contact with the air 52 injected from the primary aeration tank (50) As it rises to the surface of the water, flows to the top of the intermediate barrier wall 30, is separated and moved by the primary net screen conveyor system 60, and stored in the prepared suspended solids (2) reservoir for processing. The intermediate barrier wall 30 is installed to block foreign substances such as submerged washed food waste (3) and nonferrous metals and nonmetals (porcelain, glass, bone, sludge) (4) from the floating foreign matter (2), The lower part is opened for the passage of foreign substances submerged by its own weight such as cleaned food waste (3) and foreign substances such as nonferrous metals and nonmetals (porcelain, glass, bone, sludge) (4), and the upper part is suspended from foreign matter. (2) It is installed about 10 ~ 20cm lower than the surface of water so that it can flow. Cleaned food waste (3) and non-ferrous metals and non-metals (porcelain, glass, bone, sludge) (4), etc., passing through the lower end of the intermediate barrier wall 30 passes through the secondary stirring facility (41). The stirring facility 41 serves to raise the sinked washed food waste 3 to the surface of the water. At this time, the secondary aeration tank 51 in front of the secondary stirring facility 41 sprays the fine air 52 above the water surface to be combined with the cleaned food waste 3 and float for a while. The suspended food waste (3) suspended for a while is separated by the secondary screen screen conveyor system 61, and is moved to the heat sterilization disinfection tank (70). Non-ferrous metals and non-metals (porcelain, glass, bone, sludge) (4), etc., which have passed through the secondary stirring facility (41) and the secondary aeration tank (51), etc. are moved to the tertiary sedimentation tank screen conveyor system (62) and are separated and separated. Will be. Non-ferrous metals and non-metals (porcelain, glass, bone, sludge) (4), etc. are separately stored and disposed of, the sludge is moved to the anaerobic decay facility (100). The cleaning separation treatment tank (A) having such a step is equipped with a deodorization facility 20 in stages for odor blocking, and the deodorized steam and air 52 are converted into liquid via the cooling condenser 21, thereby cooling condensate. The temporary storage 22 will be stored, and will be moved to the anaerobic decaying facility (100).

도 2에서는 최종 분리된 세정된 음식물류폐기물(3)의 사료(210)와, 퇴비(120), 바이오가스(110) 생산까지의 과정을 설명한 사시도로서 세정분리처리수조(A)의 2차 그물망스크린 콘베이어시스템(61)에 의해 선별분리 되어 세정된 음식물폐기물(3)을 가열멸균 소독조(70)에서 100℃로 순간 멸균 소독하게 된다. 멸균소독 과정을 거친 세정된 음식물류폐기물(3)은 탈수 및 교반건조화시설(80)로 이동되어져 탈수 과정과 약간의 교반건조과정을 경유하게 되며 고형화 처리시설(200)로 이동되어 증기와 압착으로 고형화 과정을 경유하여 건조하게 된다. 건조를 마친 사료(210)는 포장공정을 통해 보관이나 판매가 가능하며, 가축의 사료(210)로 사용되어진다. 가열멸균소독과 탈수 과정에서 생긴 탈수 폐수(90) 등은 혐기성 부패조시설(100)로 이동되어 진다. 3차 침전조 스크린 콘베이어시스템(62)에서 이동되어진 슬러지는 혐기성 부패조시설(100)로 이동되어져 120일 이상 무산소 숙성 부패하게 되는데 이때 혐기성 부패조시설(100)의 내부에 있는 슬러지나 탈수 폐수(90) 등은 왕겨나 볏짚 등을 첨가하여 발효를 상승시키고, 시설의 만수위 대비와 부패기간을 위해 대용량으로 여러 곳에 설치한다. 염류가 분해될 정도의 일정기간이 지나 부패된 슬러지 등은 탈수과정과 건조과정을 거쳐 퇴비(120)로 생산되어 사용, 또는 판매되며, 부패기간 동안 발생되어지는 가스는 바이오가스(110)로 생산되어 지고, 가열멸균소독과 탈수 및 교반건조화시설, 고형화 처리시설(200)의 연료로 활용되어 진다. 아울러 가열멸균소독과정과 탈수 및 교반 건조화 과정, 고형화과정 등의 공정별로 세정분리처리수조(A)의 공정과 마찬가지로 탈취시설(20)을 설치하고, 악취나 증기 등은 냉각응축기(21)를 경유하여 냉각응축수 임시저장소(22)에 저장 후 혐기성 부패조시설(100)로 투입되게 된다. 이러한 자동화 전처리공정을 거쳐 음식물류폐기물(1)을 친환경적으로 사료화, 에너지화, 퇴비화를 할 수 있다. FIG. 2 is a perspective view illustrating a process up to the production of the feed 210, compost 120, and the biogas 110 of the finally separated washed food waste 3, and the secondary mesh screen of the cleaning separation treatment tank A. FIG. The food waste 3 that has been separated and washed by the conveyor system 61 is sterilized at 100 ° C. in a heat sterilization disinfection tank 70. The sterilized sterilized food waste (3) is moved to the dehydration and agitation drying facility (80) to go through the dehydration process and a little agitation drying process and is moved to the solidification treatment facility (200) to solidify by steam and compression. It is dried via the process. The dried feed 210 may be stored or sold through a packaging process and used as a feed 210 for livestock. Dehydration wastewater (90) generated during the process of heat sterilization and dehydration is moved to the anaerobic decay facility (100). The sludge moved from the third settling tank screen conveyor system 62 is moved to the anaerobic decay facility 100 and becomes anaerobic aging decay for more than 120 days, at which time sludge or dewatering wastewater in the anaerobic decay facility 100 (90). ) Is added to rice hull or rice straw to increase fermentation, and is installed in various places with large capacity to prepare for high water level and decay period. The sludge, etc., decayed after a certain period of time until the salts are decomposed is produced and used or sold as compost 120 through dehydration and drying, and the gas generated during the decay period is produced as biogas 110. It is used as a fuel of heat sterilization and dehydration and stirring and drying facilities and solidification treatment facilities (200). In addition, the deodorization facility 20 is installed in the same manner as the process of washing and separating treatment tank A for each process such as heat sterilization process, dehydration, stirring drying process, and solidification process, and odor or steam is passed through the cooling condenser 21. After the storage in the cooling condensation temporary storage 22 is input to the anaerobic decaying facility (100). Through this automated pretreatment process, food waste (1) can be environmentally friendly to feed, energy, and compost.

제 1도는 음식물류폐기물의 투입에서 최종선별까지의 처리과정을 설명한 사시도 1 is a perspective view illustrating the processing process from the input of food waste to the final selection

제 2도는 최종 분리된 음식물류폐기물의 사료와, 퇴비, 바이오가스 생산까지의 과정을 설명한 사시도2 is a perspective view illustrating the process from the final separated food waste to feed, compost and biogas production

※도면의 주요부분에 대한 부호의 설명※[Description of Reference Numerals]

A : 세정분리처리수조 1 : 음식물류폐기물   A: washing and separating treatment tank 1: food waste

2 : 부유이물질 3 : 세정된 음식물류폐기물    2: suspended solids 3: cleaned food waste

4 : 비철금속과 비금속류(도자기, 유리, 뼈, 슬러지)    4: Nonferrous metals and nonmetals (porcelain, glass, bone, sludge)

10 : 호퍼 11 : 자력금속분리시설   10: hopper 11: magnetic metal separation facility

12 : 분쇄교반시설 20 : 탈취시설   12: grinding and stirring facility 20: deodorization facility

21 : 냉각응축기 22 : 냉각응축수 임시저장소  21: cooling condenser 22: temporary storage of cooling condensate

30 : 중간차단벽 40 : 1차 교반시설   30: intermediate barrier 40: primary stirring facility

41 : 2차 교반시설 50 : 1차 폭기조   41: 2nd stirring facility 50: 1st aeration tank

51 : 2차 폭기조 52 : 공기   51: secondary aeration tank 52: air

60 : 1차 그물망 스크린 콘베이어 시스템  60: primary mesh screen conveyor system

61 : 2차 그물망 스크린 콘베이어 시스템  61: secondary net screen conveyor system

62 : 3차 침전조 스크린 콘베이어 시스템  62: 3rd settling screen conveyor system

70 : 가열멸균소독조 80 : 탈수 및 교반건조화시설  70: heat sterilization tank 80: dehydration and stirring drying

90 : 탈수 폐수 100 : 혐기성 부패조시설  90: dewatered wastewater 100: anaerobic decay facility

110 : 바이오 가스 120 : 퇴비 110: biogas 120: compost

200 : 고형화 처리시설 210 : 사료  200: solidification treatment facility 210: feed

Claims (3)

음식물류폐기물(1)중 금속을 분리선별하는 자력금속분리시설(11)과 음식물류폐기물(1)을 분쇄하는 분쇄교반시설(12)을 갖춘 밀폐식 호퍼(10)와 음식물류폐기물(1)을 분리, 세정하는 1차 교반시설(40)과 부유이물질(2)을 부유시키는 1차 폭기조(50), 부유이물질(2)과 음식물류폐기물(1), 비철금속폐기물을 분리하여 상, 하부로 이동시키는 기능을 갖는 중간차단벽(30), 부유된 부유이물질(2)을 선별 분리하는 1차 그물망스크린 콘베이어시스템(60)과 세정된 음식물류폐기물(3)을 수중에서 위로 부유시켜주는 2차 교반시설(41)과 2차 폭기조(51), 부유된 세정된 음식물류폐기물(3)을 선별 분리하는 2차 그물망스크린 콘베이어시스템(61)과 비철금속과 비금속류(도자기, 유리, 뼈, 슬러지)(4) 등을 선별분리 하는 3차 침전조 스크린 콘베이어시스템(62) 등으로 구성된 세정분리처리수조(A), 세정분리처리수조(A)에서의 각 단계별로 탈취시설(20)로 구성되어져 냉각응축기(21)와 냉각응축수 임시저장소(22)로 이루어진 시스템시설 방식Separating the closed hopper (10) and the food waste (1) having a magnetic metal separation facility (11) for separating and sorting the metal in the food waste (1) and a grinding and stirring facility (12) for grinding the food waste (1), The primary aeration tank (50) for washing the primary stirring facility (40) for cleaning and the floating foreign matter (2), the floating foreign matter (2) and food waste (1), and the non-ferrous metal waste are separated and moved to the upper and lower parts. Secondary agitator (41) to float the intermediate barrier wall (30) having, the primary net screen conveyor system (60) for separating and separating the suspended floating foreign matter (2) and the washed food waste (3) up in water And secondary aeration tank (51), secondary net screen conveyor system (61) for separating and separating the suspended cleansing food waste (3) and non-ferrous metals and non-metals (porcelain, glass, bone, sludge) (4) and the like Cleaning separation consisting of 3rd sedimentation tank screen conveyor system (62) to separate Lee tank (A), the cleaning separation tank (A) system facilities method consisted in deodorizing facilities 20 for each stage consisting of cooling the condenser 21 and the condensate cooling the temporary storage 22 in the 제 1항에 있어서 세정된 음식물류폐기물(3)이 2차 그물망스크린 콘베이어시스템(61)에 의해 선별 분리되어 가열멸균소독조(70)에서 멸균소독하는 과정과 탈수 및 교반건조화시설(80)에서 탈수와 교반건조과정과 고형화 처리시설(200)에서 증기와 압착의 고형화 과정과 가열멸균소독과 탈수 과정에서 생긴 탈수 폐수(90) 등이 혐기성 부패조시설(100)로 이동되어지고, 3차 침전조 스크 린 콘베이어시스템(62)에서 이동되어진 슬러지가 혐기성 부패조 시설(100)로 이동되어져 무산소 숙성 부패할 때 왕겨나 볏짚 등을 첨가 퇴비(120)로 생산되어 지는 과정과 부패기간 동안 바이오가스(110)가 생산되어지고, 가열멸균소독조(70)와 탈수 및 교반건조화시설(80), 고형화 처리시설(200)의 연료로 활용되어 지며, 가열멸균소독과정과 탈수 및 교반 건조화과정, 고형화 과정 등의 공정에서 세정분리처리수조(A)의 공정과 마찬가지로 탈취시설(20)을 설치하고, 악취나 증기 등은 냉각응축기(21)를 경유하여 냉각응축수 임시저장소(22)에 저장 후 혐기성 부패조시설(100)로 투입되어 리싸이클되는 자동화 전처리공정을 거쳐 음식물류폐기물(1)을 사료화, 에너지화, 퇴비화 하는 방식The process of claim 1, wherein the cleaned food waste (3) is screened and separated by a secondary net screen conveyor system (61) and sterilized in a heat sterilization tank (70) and dewatered in a dehydration and stirring drying facility (80). In the stirring and drying process and the solidification treatment facility 200, the dehydration wastewater 90 generated during the solidification process of steam and compression, the heat sterilization and the dehydration process is transferred to the anaerobic decay tank facility 100, and When the sludge moved from the conveyor system 62 is moved to the anaerobic decay facility 100 and the anaerobic maturation decay, the biogas 110 is produced during the decay period and the process of producing chaff or rice straw as compost 120. It is produced and used as fuel of the heat sterilization tank 70, dehydration and stirring drying facility 80, solidification treatment facility 200, heat sterilization process, dehydration and stirring drying process, solidification process, etc. In the process, the deodorization facility 20 is installed in the same manner as the process of the washing separation treatment tank A, and odor or steam is stored in the cooling condensate temporary storage 22 via the cooling condenser 21 and then anaerobic decay facility ( Feeding, energy, and composting of food waste (1) through an automated pretreatment process that is introduced and recycled 제 1항과 2항에 있어서 각 항의 단독 또는 합쳐진 공정방식Process method according to claim 1 or 2, alone or combined
KR20090021443A 2009-03-13 2009-03-13 Food waste livestock feed and compost and bio-gas production pretreatment system KR20100103044A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101493975B1 (en) * 2012-06-26 2015-02-23 대한민국 Apparatus for sorting with impurities of compost
KR101599424B1 (en) 2014-10-30 2016-03-14 정광오 System for bio gasification and drying of food waste
WO2017033138A1 (en) * 2015-08-25 2017-03-02 Jimenez Vasquez Gonzalo Method for using household solid waste and converting it into a raw food material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101493975B1 (en) * 2012-06-26 2015-02-23 대한민국 Apparatus for sorting with impurities of compost
KR101599424B1 (en) 2014-10-30 2016-03-14 정광오 System for bio gasification and drying of food waste
WO2017033138A1 (en) * 2015-08-25 2017-03-02 Jimenez Vasquez Gonzalo Method for using household solid waste and converting it into a raw food material

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