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KR101040282B1 - The hybrid biogas-liquid fertilizer system - Google Patents

The hybrid biogas-liquid fertilizer system Download PDF

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Publication number
KR101040282B1
KR101040282B1 KR20100090034A KR20100090034A KR101040282B1 KR 101040282 B1 KR101040282 B1 KR 101040282B1 KR 20100090034 A KR20100090034 A KR 20100090034A KR 20100090034 A KR20100090034 A KR 20100090034A KR 101040282 B1 KR101040282 B1 KR 101040282B1
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tank
anaerobic
liquid
self
heating
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KR20100090034A
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Korean (ko)
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이진석
엄태규
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이진석
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/12Activated sludge processes
    • C02F3/1205Particular type of activated sludge processes
    • C02F3/1215Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

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  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Fertilizers (AREA)
  • Treatment Of Sludge (AREA)

Abstract

PURPOSE: A hybrid biogas-liquid fertilizer producing system is provided to maintain the proper digestion temperature of an anaerobic tank using a heat source of a self-exothermic aerobic tank. CONSTITUTION: A hybrid biogas-liquid fertilizer producing system comprises the following: a solid-liquid separator(100) separating solid portions from liquid portions of inflowing wastewater; a water storage tank(200) equalizing the concentration and the flow amount of processed wastewater; an anaerobic tank(300) anaerobic-decomposing the processed wastewater, and supplying bio-gas produced from the anaerobic-decomposing process to a generator as an energy source; a self-exothermic aerobic tank(400) supplying heat generated from anaerobic-decomposing organic components of the wastewater to the anaerobic tank; and a liquid-fertilizer storage tank(500).

Description

하이브리드 바이오가스-액비화 설비{The Hybrid Biogas-Liquid Fertilizer system} Hybrid Biogas-Liquid Fertilizer System

본 발명은 자가발열호기조에 혐기조를 결합하여 자가발열호기조에서 발생된 열을 이용하여 혐기조를 운전하는 축산 농가를 위한 하이브리드 바이오가스-액비화 설비에 관한 것이다. The present invention relates to a hybrid biogas-liquid liquefaction facility for a livestock farm that combines an anaerobic tank with a self-heating tank to operate an anaerobic tank using heat generated from the self-heating tank.

기존 국내의 바이오가스 설비는 우리나라 기후적 특성상 연간 15℃ 이하의 기온 5개월 이상 지속됨에 따라 동절기시 최소한의 중온 혐기성 소화온도(약 35℃)를 유지하기 위한 운전관리비용(유류대)의 과다지출(총 운전비용의 약 35%)로 인하여 큰 실효성을 거두지 못하고 있는 실정이다. Existing domestic biogas facilities last more than 5 months under the temperature of 15 ℃ per year due to the climate of Korea, so excessive expenditure of operation management cost (oil tank) in order to maintain minimum anaerobic anaerobic digestion temperature (about 35 ℃) during winter season ( Because of about 35% of the total operating cost), it does not have great effectiveness.

이를 해결하기 위하여 종래의 기술로는 (주)테크윈의 고효율 혐기 소화조 장치(특허:10-0592332)가 있었다.In order to solve this problem, there is a high-efficiency anaerobic digester device (Patent: 10-0592332) of Techwin Co., Ltd.

그러나 상기 특허발명은 열교환기를 이용하여 열에너지를 혐기조에 간접적으로 전달함으로써 열에너지 손실, 열교환기의 설치비용 및 설치부지 비용이 많이 들어가는 문제점이 있었다.However, the patent invention has a problem that the heat energy loss, heat exchanger installation cost and installation site cost by entering heat energy indirectly to the anaerobic tank using a heat exchanger.

그리고 다른 종래의 기술로는 농진청의 메탄공정을 연계한 고농도 유기성 폐수의 증발, 퇴비화 방법 및 장치(특허: 100405130)가 있는데, 이는 열원인 호기발효증발상과 보온이 필요한 혐기소화조가 밀착 설치하여 호기발효증발상에서 발생된 발효열의 전도에 의해 혐기소화조가 보온되고, 혐기소화조에서 발생된 메탄을 이용하여 호기발효증발상 바닥에 온풍을 공급함으로써 수분증발효율을 높이고 마지막에는 고형퇴비를 생산하는 장치였다.In addition, other conventional techniques include a method and apparatus for evaporation and composting of high concentration organic wastewater in conjunction with the methane process of the Rural Development Administration (Patent: 100405130), which is an anaerobic digester requiring heat insulation and an aerobic digestion tank that is insulated. The anaerobic digestion tank was warmed by the conduction of fermentation heat generated in the evaporation phase, and the methane generated in the anaerobic digestion tank was supplied with warm air to the bottom of the aerobic evaporation evaporation to increase water evaporation efficiency and finally to produce solid compost.

그러나 상기 특허발명은 최종부산물이 고형분으로 발생하여 퇴비만을 생산하는 공정으로 액비로 사용할 수 없으며, 생산된 퇴비의 질이 낮은 문제점과 생산된 바이오 에너지가 열에너지로의 사용으로만 국한된다는 문제점이 있었다. However, the patent invention has a problem that the final by-products generated as a solid content can not be used as a liquid fertilizer to produce only the compost, there is a problem that the quality of the produced compost is low and the produced bioenergy is limited to the use of thermal energy only.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로, 보조열원을 사용하지 않고 자가발열호기조의 열원을 사용하여 혐기조의 적정 소화온도를 유지하도록 하여 유류비 및 운전관리비를 절감하고 에너지 효율을 극대화한 하이브리드 바이오가스-액비화 설비를 제공하는 데 그 목적이 있다.The present invention has been made to solve the above problems, by using the heat source of the self-heating basin tank without using an auxiliary heat source to maintain the proper digestion temperature of the anaerobic tank to reduce the oil cost and operation management costs and maximize energy efficiency The purpose is to provide a hybrid biogas-liquefaction plant.

그리고 혐기조에서 발생하는 바이오가스를 발전기의 에너지원으로 재사용하여 경제적으로 유리하고, 액비의 고품질을 유지하여 환경적인 면에서도 우위를 갖는 하이브리드 바이오가스-액비화 설비를 제공하는 데 그 목적이 있다.In addition, the purpose of the present invention is to provide a hybrid biogas-liquid liquefaction facility that is economically advantageous by reusing biogas generated in an anaerobic tank as an energy source of a generator, and maintains high quality of liquid fertilizers in terms of environment.

상기와 같은 목적을 달성하기 위하여 본 발명의 하이브리드 바이오가스-액비화 설비는 유입된 폐수를 고액분리시키는 고액분리기,고액분리된 처리수를 저장하여 상기 처리수의 농도와 유량을 균등화시키는 저류조,상기 저류조를 거친 처리수를 혐기성 분해하고, 혐기분해작용으로 발생된 바이오 가스를 발전기의 에너지원으로 제공하는 혐기조, 상기 혐기조를 감싸도록 형성되며, 처리수의 유기물을 호기 분해하여 발생된 열을 상기 혐기조에 필요한 열원으로 공급하는 자가발열호기조 및 상기 자가발열호기조를 거친 처리수를 저장해두었다가 액비로 공급하는 액비저장조를 포함하는 것을 특징으로 한다.In order to achieve the above object, the hybrid biogas-liquid liquefaction facility of the present invention is a solid-liquid separator for solid-liquid separation of the inflow of wastewater, and a storage tank for storing the solid-liquid separated treatment water to equalize the concentration and flow rate of the treated water, the storage tank. Anaerobic decomposition of the treated water, and anaerobic tank for providing biogas generated by anaerobic decomposition as an energy source of the generator, is formed to surround the anaerobic tank, heat generated by aerobic decomposition of the organic matter of the treated water to the anaerobic tank It characterized in that it comprises a self-heating basin tank for supplying the required heat source and a liquid rain storage tank for storing the treated water having passed through the self-heating basin tank and supplying the liquid.

여기서,상기 자가발열호기조는 중심부에 소형의 혐기조가 1개 이상 설치되고,가장자리를 따라 제트폭기펌프가 이격되게 설치되는 것이 바람직하다.Here, the self-heating breathing tank is one or more small anaerobic tank is installed in the center, it is preferable that the jet aeration pump is installed along the edge spaced apart.

그리고, 상기 자가발열호기조 내의 슬러지는 내부반송라인을 통하여 상기 혐기조로 내부반송되는 것이 바람직하다.And, the sludge in the self-heating breathing tank is preferably conveyed to the anaerobic tank through the inner conveying line.

또한, 상기 자가발열호기조 내에는 바실러스속 세균(Bacillus sp.)이 포함되는 것이 바람직하다.In addition, it is preferable that Bacillus sp.

그리고 상기 혐기조는 스테인레스 재질로 형성되는 것이 바람직하다.And the anaerobic tank is preferably formed of a stainless material.

또한, 상기 액비저장조는 상기 처리수가 침전되도록 저장공간이 형성되고, 침전슬러지를 상기 자가발열호기조로 반송하는 펌프 및 반송관을 더 포함하는 것이 바람직하다.In addition, the liquid storage tank is preferably a storage space is formed so that the treated water is settled, and further comprising a pump and conveying pipe for conveying the settling sludge to the self-heating aeration tank.

상기와 같은 구성의 본 발명에 따르면, 다음과 같은 효과를 기대할 수 있다.According to the present invention having the above configuration, the following effects can be expected.

우선, 혐기조의 적정 온도유지를 위하여 별도의 에너지가 추가적으로 필요하지 않으므로 설비 및 운전경비가 절감되는 효과가 있다.First of all, there is no need for additional energy to maintain the proper temperature of the anaerobic tank, thereby reducing the equipment and operating expenses.

또한 혐기조에서 발생되는 바이오 가스의 재활용으로 에너지의 효율을 극대화할 수 있으며, 슬러지의 상호교환을 통하여 슬러지 발생이 없는 친환경 시스템을 구축할 수 있다.In addition, it is possible to maximize the energy efficiency by recycling the biogas generated in the anaerobic tank, and to build an eco-friendly system without sludge generation through the exchange of sludge.

그리고 바이오가스 설비와 액비화 설비를 하나의 공정을 결합하여 운전관리가 용이한 효과가 있으며, 분리된 공정보다 설치부지를 적게 소요하는 장점이 있다. In addition, the biogas facility and the liquid liquefaction facility are combined with one process, so the operation management is easy, and there is an advantage of requiring less installation sites than the separate process.

그리고 축사 등에서 발생된 축산 폐수 및 분뇨 등을 처리하여 액비로 활용하여 전량 농지로 환원되므로 슬러지의 2차 처리가 필요없는 친환경 무방류 시스템을 구축할 수 있다.In addition, since the livestock wastewater and manure generated from the barn etc. are treated and used as a liquid ratio, the total amount is reduced to farmland, so an eco-friendly non-discharge system without the secondary treatment of sludge can be established.

그리고 병원성 미생물을 사멸시키고 악취제거에 탁월한 바실러스균을 우점종으로 사용하여 고품질의 액비를 생산할 수 있다.In addition, high-quality liquid fertilizer can be produced by killing pathogenic microorganisms and using Bacillus bacteria as an dominant species.

마지막으로 바실러스균은 미호기성 상태에서 성장조건이 최적화할 수 있으므로, 호기 조건을 충족하기 위하여 산소를 공급하는데 있어서 일반적인 활성슬러지법에 비하여 전력비용을 절감할 수 있다.Finally, Bacillus bacteria can be optimized in growth conditions in the aerobic state, it is possible to reduce the power cost compared to the general activated sludge method for supplying oxygen to meet the aerobic conditions.

도1은 본 발명의 바람직한 실시예에 따른 하이브리드 바이오가스-액비화 설비의 개략적인 구성도.
도2는 본 발명의 바람직한 실시예에 따른 자가발열호기조의 평면도.
1 is a schematic diagram of a hybrid biogas-liquefaction plant according to a preferred embodiment of the present invention.
Figure 2 is a plan view of a self-heating basin according to a preferred embodiment of the present invention.

이하, 첨부된 도면을 참조로 하여 본 발명의 바람직한 실시 예에 대하여 설명하기로 한다. Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

먼저 도 1은 본 발명의 바람직한 실시 예에 따른 하이브리드 바이오가스-액비화 설비를 나타내는 개략적인 구성도이다.First, FIG. 1 is a schematic diagram illustrating a hybrid biogas-liquefaction facility according to a preferred embodiment of the present invention.

도시된 바와 같이 본 발명은 고액분리기(100), 저류조(200), 혐기조(300), 자가발열호기조(400), 액비저장조(500)로 이루어진다.As shown, the present invention consists of a solid-liquid separator 100, a storage tank 200, an anaerobic tank 300, a self-heating breathing tank 400, a liquid rain storage tank 500.

먼저 고액분리기(100)에 대해 설명하고자 한다.First, the solid-liquid separator 100 will be described.

상기 고액분리기(100)는 유입된 폐수를 고액분리시키는 장치이다.The solid-liquid separator 100 is a device for solid-liquid separation of the wastewater introduced.

본 발명에서는 축사 등에서 발생한 축산 폐수 및 분뇨 등을 고액분리를 거치게 한 후 고형분은 노상건조 후 퇴비로 활용하고, 액상은 저류조(200)로 이송하여 본 공정의 원수로 활용한다.In the present invention, after the livestock wastewater and manure generated in the barn, etc. undergo a solid-liquid separation, the solids are used as compost after the hearth drying, the liquid is transferred to the storage tank 200 is utilized as raw water of the process.

다음은 저류조(200)에 대해 설명하기로 한다.Next, the storage tank 200 will be described.

상기 저류조(200)는 고액분리된 처리수를 저장하여 농도와 유량을 균등화시킨다.The storage tank 200 stores the treated water separated from the solid-liquid to equalize the concentration and the flow rate.

저류조(200)에서는 교반공정을 통하여 고농도의 유기성 폐수의 SS 농도를 일정하게 유지시키며, 일정한 농도와 유량으로 배출되도록 한다. The storage tank 200 maintains a constant SS concentration of the organic wastewater of a high concentration through a stirring process, and is discharged at a constant concentration and flow rate.

바람직하게는, 상기 저류조(200)에는 고속발효기(210)가 더 구비되어 악취 제거 및 발효촉진을 도모할 수 있다.Preferably, the storage tank 200 is further provided with a high-speed fermenter 210 may promote the removal of odors and promote fermentation.

이와 같이 일정한 농도로 유지된 처리수는 후술할 혐기조(300) 및 자가발열호기조(400)로 유입된다.Thus, the treated water maintained at a constant concentration is introduced into the anaerobic tank 300 and the self-heating breathing tank 400 to be described later.

다음으로 혐기조(300)에 대해 설명하기로 한다.Next, the anaerobic tank 300 will be described.

상기 혐기조(300)는 상기 저류조(200)를 거친 처리수를 혐기성 분해하고, 혐기분해작용으로 발생된 바이오 가스를 보일러 및 발전기의 에너지원으로 공급한다.The anaerobic tank 300 anaerobicly decomposes the treated water passing through the storage tank 200, and supplies biogas generated by the anaerobic decomposition to energy sources of boilers and generators.

상기 혐기조(300) 내부에는 혐기성 미생물이 제공되어서 상기 저류조(200)로부터 유입된 폐수에 함유되어 있는 유기물을 혐기분해한다.The anaerobic microorganism is provided inside the anaerobic tank 300 to anaerobicly decompose organic matter contained in the wastewater introduced from the storage tank 200.

특히, 혐기성 미생물의 분해 작용으로 발생한 바이오가스(bio-gas)는 보일러, 전기발전, 기타 메탄가스를 이용한 에너지원으로 공급되어 에너지 효율을 극대화한다.In particular, bio-gas generated by the decomposition of anaerobic microorganisms is supplied to an energy source using a boiler, electricity generation, and other methane gas to maximize energy efficiency.

이러한 혐기조(300)는 동절기 시에도 최소한의 중온 소화온도(35℃)를 유지할 필요가 있는데, 상기 혐기조(300)는 발열온도에 필요한 열을 후술할 자가발열호기조(400)로부터 전달받는다.The anaerobic tank 300 needs to maintain a minimum medium temperature digestion temperature (35 ° C.) even during winter, and the anaerobic tank 300 receives the heat required for the exothermic temperature from the self-heating aerobic tank 400 which will be described later.

다음은 자가발열호기조(400)에 대해 설명하기로 한다.Next, the self-heating basin 400 will be described.

상기 자가발열호기조(400)는 상기 혐기조(300)를 감싸도록 형성되며, 처리수의 유기물을 호기 분해하여 발생된 열을 상기 혐기조(300)에 필요한 열원으로 공급한다.The self-heating breathing tank 400 is formed to surround the anaerobic tank 300, and supplies the heat generated by aerobic decomposition of the organic matter of the treated water to the heat source required for the anaerobic tank (300).

이와 같이 자가발열호기조(400) 내에 혐기조(300)를 설치하는 이유는, 자가발열호기조(400)에서 발생되는 열원을 이용하여 상기 혐기조(300)에 필요한 열을 공급하기 위함이다. The reason why the anaerobic tank 300 is installed in the self-heating aerobic tank 400 is to supply heat required for the anaerobic tank 300 using a heat source generated in the self-heating aerobic tank 400.

우리나라 기후적 특성상 연간 15℃ 이하의 기온이 5개월 이상 지속됨에 따라 동절기시에는 중온의 혐기성 소화온도(35℃)를 유지하기 위하여 혐기조(300)를 가온시킬 필요가 있다.As the temperature of less than 15 ℃ per year lasts more than 5 months due to the climatic characteristics of Korea, it is necessary to warm the anaerobic tank 300 in order to maintain the anaerobic digestion temperature (35 ℃) of the medium temperature during the winter season.

이를 위해 자가발열호기조(400)에서는 혐기조(300)로부터 유입된 처리수를 호기성 미생물이 호기 분해하여 발생된 열을 혐기조(300)에 전달함으로써 혐기조(300)를 보온하기 위하여 추가적인 열에너지가 불필요하여 유류비 및 운전관리비가 크게 감소시킨다.To this end, in the self-heating aerobic tank 400, the additional heat energy is unnecessary to keep the anaerobic tank 300 warm by transferring heat generated by the aerobic microorganism to the anaerobic tank 300 to process the water introduced from the anaerobic tank 300. And the operation management cost is greatly reduced.

바람직하게는 자가발열호기조(400) 내 발열에 필요한 에너지가 부족할 때에는 저류조(200)의 원수를 추가로 이용할 수 있다.Preferably, when the energy required for heat generation in the self-heating breathing tank 400 is insufficient, the raw water of the storage tank 200 can be additionally used.

도2는 본 발명의 바람직한 실시예에 따른 자가발열호기조의 평면도이다.2 is a plan view of a self-heating basin according to a preferred embodiment of the present invention.

도시된 바에 따르면, 상기 자가발열호기조(400)는 대형의 원형 반응조로 형성되어 중심부에 소형의 혐기조(300)가 설치되고, 가장자리를 따라 제트폭기펌프(410)를 이격되게 설치되고, 산소농도의 적절한 조절을 위하여 산기장치(420)가 설치된다.As shown, the self-heating exhalation tank 400 is formed of a large circular reaction tank is installed a small anaerobic tank 300 in the center, spaced apart from the jet aeration pump 410 along the edge, the oxygen concentration of An air diffuser 420 is installed for proper adjustment.

이때 혐기조(300)는 복수개가 설치될 수 있으며, 열전달의 용이성과 내부식성을 위하여 스테인리스 재질로 제작되는 것이 적절하다.At this time, a plurality of anaerobic tank 300 may be installed, it is appropriate to be made of stainless steel for ease of heat transfer and corrosion resistance.

그리고 자가발열호기조(400)의 내주면을 따라 이격되게 설치된 제트폭기펌프(410)는 장시간 연속 폭기가 가능하여 생물학적 처리에 적용시 자가발열을 일으키며, 또한 유체를 고속으로 교반하여 별도의 교반기 설치가 필요없게 된다.In addition, the jet aeration pump 410 spaced apart along the inner circumferential surface of the self-heating exhalation tank 400 is capable of continuous aeration for a long time, causing self-heating when applied to biological treatment, and also requires a separate stirrer by stirring the fluid at high speed There will be no.

또한, 산소농도의 적절한 조절을 위하여 산기장치(420)가 설치된다.In addition, an air diffuser 420 is installed for proper control of the oxygen concentration.

그리고 본 발명에서는 자가발열호기조(400) 내에 바실러스속 세균(Bacillus sp.)을 포함한다.And in the present invention, Bacillus sp. (Bacillus sp.) In the self-heating basin (400).

바실러스 균 중 바실러스 발리스모르티스(Bacillus vallismortis)에 대한 농촌진흥청 농업과학기술원의 연구에 의하면 식물의 뿌리에 사는 특수한 미생물을 활용하여 식물의 방어능력을 활성화시켜 농약을 사용하지 않고 바이러스등 다수의 병해를 동시에 방제 할 수 있는 바실러스 발리스모르티스균을 농작물에 처리하면 식물체의 뿌리에 정착하게 되는데 처리된 식물은 병원균에 대한 면역기능이 활성화되어 바이러스, 세균 및 곰팡이균에 대한 저항력이 증강되어 식물병을 방제할 수 있다고 보고되었다.According to a study by the National Institute of Agricultural Science and Technology on Bacillus vallismortis among Bacillus bacteria, a special microorganism living in the root of the plant is used to activate the defense ability of the plant so that many diseases such as viruses are not used without pesticides. Treating Bacillus valismortis bacteria to crops at the same time to settle in the roots of plants, the treated plants activate immune function against pathogens and increase resistance to viruses, bacteria and fungi It has been reported that it can control.

특히 농작물에 발생하는 바이러스는 아직 적절한 방제농약이 개발되지 않은 상황이어서 농작물의 바이러스 예방에도 효율적으로 쓰여질 것으로 예상되며, 바실러스 발리스모르티스균 처리에 의하여 저항성이 유도된 식물은 발근과 생육이 왕성하여 수량 및 품질도 증가되는 특성이 있어 효과적인 친환경기술로 평가된다. In particular, since the virus that occurs in crops has not yet been developed for appropriate control pesticides, it is expected to be effectively used for the prevention of crop virus.In plants that are resistant to the treatment of Bacillus Balismortis bacteria, rooting and growth are very active. As the quantity and quality also increase, it is evaluated as an effective eco-friendly technology.

이를 통하여 액비로서 활용을 하게 되었을 때 그 효과가 뛰어날 것으로 판단된다. Through this, it is judged that the effect will be excellent when used as liquid ratio.

특히 바실러스속 세균(Bacillus sp.)은 병원성 미생물을 사멸시키고 악취제거에 탁월한 균으로서, 본 발명에서는 상기 Bacillus sp . 우점종으로 하여 악취의 제약으로 인한 액비 활용의 문제점을 보안하고, 액비의 품질을 향상시키도록 한다.In particular, bacteria belonging to the genus Bacillus (Bacillus sp.) Are excellent as a bacteria killing pathogens and odor, in the present invention, the Bacillus sp . To Dominant species to secure the problem of the use of liquid fertilizer due to the restriction of odor, and improve the quality of liquid fertilizer.

이와 같이 자가발열호기조(400)를 통하여 호기성 소화공정을 수행한 처리수는, 액상은 액비저장조(500)로 이송되고, 슬러지는 내부반송라인을 통하여 혐기조(300)로 내부반송된다.As described above, the treated water, which has undergone the aerobic digestion process through the self-heating breathing tank 400, is transferred to the liquid storage tank 500, and the sludge is internally transported to the anaerobic tank 300 through the inner conveying line.

다음으로 액비저장조(500)에 대해 설명하고자 한다.Next, the liquid storage tank 500 will be described.

상기 액비저장조(500)는 상기 자가발열호기조(400)를 거친 처리 여액을 저장해두었다가 액비로 공급한다.The liquid storage tank 500 stores the treated filtrate after passing through the self-heating breathing tank 400 is supplied to the liquid ratio.

자가발열호기조(400)로부터 이송된 처리수는 일정 기간 액비저장조(500)에 저장해두었다가 액비로 사용되며, 이때에는 퇴비로 사용되는 것이므로 추가적인 슬러지 처리가 불필요하다.The treated water transferred from the self-heating aeration tank 400 is stored in the liquid storage tank 500 for a predetermined period of time and used as a liquid fertilizer, and since this is used as a compost, no additional sludge treatment is necessary.

단 상기 처리수를 액비로 사용하지 않고 농장 내 세척수 및 방류공정으로 활용시에는 상기 액비저장조(500)를 침전조로 활용할 수 있다.However, when using the treated water as a liquid ratio in the farm washing water and discharge process, the liquid storage tank 500 may be used as a sedimentation tank.

이를 위해 액비저장조(500)는 처리수가 침전되도록 저장공간이 형성되고, 침전슬러지를 상기 자가발열호기조(400)로 반송하는 펌프 및 반송관을 더 포함한다.To this end, the liquid rain storage tank 500 further includes a pump and a conveying pipe for forming a storage space to settle the treated water and returning the settling sludge to the self-heating breathing tank 400.

이와 같이 본 발명에서는 폐수의 처리 여액을 액비로 활용하거나 또는 세척수로 활용하여 100% 자원화한다는 점에서 환경적인 면에서 우위를 가지며, 친환경 무방류 시스템을 구축에 기여하게 된다.As described above, the present invention has an environmental advantage in terms of 100% resource utilization by using the filtrate of the waste water as the liquid ratio or as the washing water, thereby contributing to the construction of an eco-friendly zero discharge system.

결론적으로 본 설비에서는 수십 여년간 그 효과가 입증되어진 자가발열공정 시스템를 응용하여 동절기 운전 시 혐기조의 온도를 유지하기 위한 온도를 보조하여 신재생 에너지인 바이오가스의 생산성과 채산성을 증대시키는데 의의가 있으며, 또한 자가발열공정의 응용을 통하여 바실러스균을 우점화 하기위한 운전공정으로 적용함으로써, 고품질의 액비생산을 도모하고 가축분뇨를 안정적으로 재활용하는 것에 의의가 있다. In conclusion, this facility is meaningful to increase the productivity and profitability of renewable energy, biogas, by supporting the temperature for maintaining the temperature of the anaerobic tank during winter operation by applying the self-heating process system that has been proven for decades. By applying the self-heating process as an operation process to predominantly Bacillus bacteria, it is meaningful to promote the production of high-quality liquid fertilizer and to stable recycling of livestock manure.

이상에서 설명한 본 발명은 전술한 실시 예 및 첨부한 도면에 의해 한정되지 않으며, 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서, 치환, 변형 및 변환이 가능하다는 것을 본 발명이 속하는 기술 분야에서, 통상의 지식을 가진 자에게 있어서 명백할 것이다. The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and in the technical field to which the present invention pertains that substitutions, modifications, and conversions can be made without departing from the technical spirit of the present invention. It will be evident to those who have knowledge of.

100: 고액분리기
200: 저류조
210: 고속발효기
300: 혐기조
400: 자가발열호기조
410: 제트폭기펌프
420: 산기장치
500: 액비저장조
100: solid-liquid separator
200: storage tank
210: high speed fermenter
300: anaerobic tank
400: self heating fever
410: jet aeration pump
420: diffuser
500: liquid storage tank

Claims (6)

유입된 폐수를 고액분리시키는 고액분리기;
고액분리된 처리수를 저장하여 상기 처리수의 농도와 유량을 균등화시키는 저류조;
상기 저류조를 거친 처리수를 혐기성 분해하고, 혐기분해작용으로 발생된 바이오 가스를 발전기의 에너지원으로 제공하는 혐기조;
상기 혐기조를 감싸도록 형성되며, 처리수의 유기물을 호기 분해하여 발생된 열을 상기 혐기조에 필요한 열원으로 공급하는 자가발열호기조; 및
상기 자가발열호기조를 거친 처리수를 저장해두었다가 액비로 공급하는 액비저장조;
를 포함하는 하이브리드 바이오가스-액비화 설비.
A solid-liquid separator for solid-liquid separation of the introduced wastewater;
A storage tank for storing the solid-liquid separated treatment water to equalize the concentration and the flow rate of the treated water;
Anaerobic decomposition of the treated water passed through the storage tank, anaerobic tank for providing biogas generated by the anaerobic decomposition as an energy source of the generator;
It is formed to surround the anaerobic tank, the self-heating aerobic tank for supplying heat generated by aerobic decomposition of the organic matter of the treated water to the heat source required for the anaerobic tank; And
A liquid rain storage tank for storing the treated water that has passed through the self-heating breathing tank and supplying the liquid to the liquid rain;
Hybrid biogas liquefaction facility comprising a.
제1항에 있어서,
상기 자가발열호기조는
중심부에 소형의 혐기조가 1개 이상 설치되고,
가장자리를 따라 제트폭기펌프가 이격되게 설치되는 것을 특징으로 하는 하이브리드 바이오가스-액비화 설비.
The method of claim 1,
The self-heating basin
At least one small anaerobic tank is installed in the center,
Hybrid biogas-liquefaction facility, characterized in that the jet aeration pump is spaced apart along the edge.
제1항에 있어서,
상기 자가발열호기조 내의 슬러지는 내부반송라인을 통하여 상기 혐기조로 내부반송되는 것을 특징을 하는 하이브리드 바이오가스-액비화 설비.
The method of claim 1,
The sludge in the self-heating steam tank is transported internally to the anaerobic tank through an internal transport line.
제1항에 있어서,
상기 자가발열호기조 내에는 바실러스속 세균(Bacillus sp.)이 포함되는 것을 특징으로 하는 하이브리드 바이오가스-액비화 설비.
The method of claim 1,
Hybrid biogas-liquefaction facility, characterized in that the genus Bacillus sp.
제1항에 있어서,
상기 혐기조는 스테인레스 재질로 형성되는 것을 특징으로 하는 하이브리드 바이오가스-액비화 설비.
The method of claim 1,
The anaerobic tank is a hybrid biogas-liquefaction facility, characterized in that formed of stainless material.
제1항에 있어서,
상기 액비저장조는
상기 처리수가 침전되도록 저장공간이 형성되고, 침전슬러지를 상기 자가발열호기조로 반송하는 펌프 및 반송관을 더 포함하는 것을 특징으로 하는 하이브리드 바이오가스-액비화 설비.
The method of claim 1,
The liquid storage tank
The storage space is formed so that the treated water is settled, the hybrid biogas-liquid liquefaction facility further comprising a pump and a conveying pipe for returning the sludge to the self-heating tank.
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KR20050017829A (en) * 2003-08-11 2005-02-23 김승회 An apparatus for livestock manure preliminary treatment
KR100592332B1 (en) 2006-01-19 2006-06-26 (주) 테크윈 Advanced high rate anaerobic digester apparatus

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KR101164987B1 (en) 2011-11-28 2012-07-12 이진석 Liquid fertilizer production of livestock wastewater by self-heating aerobic process using bacillus sp
WO2013081258A1 (en) * 2011-11-28 2013-06-06 Lee Jin-Seok Method for producing liquefied manure from livestock excretions by an autothermal aerobic process using bacillus sp.
KR101785922B1 (en) 2015-09-09 2017-10-17 이동주 Method for reduction and high temperature digestion of excess sludge and high density organic waste water by aerobic and anaerobic, complex digestion tank and its system thereof
CN111807892A (en) * 2020-06-24 2020-10-23 广东省生态环境技术研究所 Humic acid-containing foliar fertilizer based on biogas slurry as well as preparation method and application thereof

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