KR101357295B1 - Manufacturing method of refuse derived fuel using organic waste - Google Patents
Manufacturing method of refuse derived fuel using organic waste Download PDFInfo
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- KR101357295B1 KR101357295B1 KR1020110048117A KR20110048117A KR101357295B1 KR 101357295 B1 KR101357295 B1 KR 101357295B1 KR 1020110048117 A KR1020110048117 A KR 1020110048117A KR 20110048117 A KR20110048117 A KR 20110048117A KR 101357295 B1 KR101357295 B1 KR 101357295B1
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- 239000010815 organic waste Substances 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000003473 refuse derived fuel Substances 0.000 title 1
- 239000002699 waste material Substances 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 239000004449 solid propellant Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000010794 food waste Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000010871 livestock manure Substances 0.000 claims description 4
- 239000010802 sludge Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000002910 solid waste Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/54—Specific separation steps for separating fractions, components or impurities during preparation or upgrading of a fuel
-
- 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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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
유기성 폐기물을 이용하여 폐기물 고형연료를 제조하는 방법이 개시된다.
본 발명에 따른 폐기물 고형연료의 제조방법은, (1) 유기성 폐기물로부터 이물질을 제거하는 제1단계; 및 (2) 상기 제1단계의 과정을 통하여 이물질이 제거된 유기성 폐기물을 반응기에 주입하고 열처리를 하는 제2단계;를 포함하여 이루어진다.Disclosed is a method for producing waste solid fuel using organic waste.
Method for producing a waste solid fuel according to the present invention, (1) a first step of removing foreign matter from the organic waste; And (2) a second step of injecting the organic waste from which foreign substances have been removed through the process of the first step into the reactor and performing heat treatment.
Description
본 발명은 유기성 폐기물을 이용한 폐기물 고형연료의 제조방법에 관한 것으로서, 보다 상세하게는 유기성 폐기물을 고온, 고압의 조건에서 열처리를 하여 유기성 폐기물 내의 고분자 물질을 열분해가 쉬운 저분자 물질로 전환시켜 연소 효율이 우수한 폐기물 고형연료를 제조하는 방법에 관한 것이다.
The present invention relates to a method for producing waste solid fuel using organic waste, and more particularly, to heat the organic waste under high temperature and high pressure conditions, thereby converting the polymer material in the organic waste into a low molecular material that is easy to pyrolyze, thereby improving combustion efficiency. A method for producing good waste solid fuel.
현재 우리나라 전체 생활 폐기물 발생량 중 음식물 쓰레기가 차지하는 비율은 약 30%에 이르고 있으며, 이의 처리에도 막대한 비용이 소요되고 있다. Currently, food waste accounts for about 30% of the total domestic waste generation, and the disposal of such waste is enormous.
음식물 쓰레기는 수분 함량이 높아 쉽게 부패되어 수거 및 운반시 악취와 오수를 발생시키며, 이를 매립하는 경우 다량의 침출수가 흘러나와 지하수를 오염시키는 등의 2차 오염을 발생시킬 우려가 있다. 현재 분리 배출되는 음식물 쓰레기는 사료화, 퇴비화 방법 등에 의한 재활용이 모색되고 있으나, 수분과 염분의 함유량이 높아 재활용의 가치가 낮고, 처리비용이 높다는 문제점이 있다. Food wastes are easily decayed due to high moisture content, and cause bad smell and sewage during collection and transportation, and when they are landfilled, a large amount of leachate flows out and may cause secondary pollution such as polluting groundwater. Currently, the food waste separated and discharged has been sought to be recycled by feed, composting, etc., but has a problem in that the high value of water and salt is low in recycling value and high in processing cost.
현재 음식물 쓰레기, 슬러지, 축산분뇨 등의 유기성 폐기물의 상당량이 해양에 투기하는 방식으로 처리되고 있으나, 이는 환경오염을 유발하게 되고 자원의 재활용 측면에서도 불합리하다. 또한 2012년 02월부터는 유기성 폐기물의 해양 투기가 원칙적으로 금지되므로 이의 처리를 위한 다양한 방법들이 시도되고 있다.At present, a considerable amount of organic waste such as food waste, sludge, and livestock manure is disposed of in the ocean, but this causes environmental pollution and is unreasonable in terms of recycling resources. In addition, since February 2012, ocean dumping of organic waste is prohibited in principle, and various methods for its treatment have been tried.
유기성 폐기물을 처리하는 방법 중의 하나로 유기성 폐기물로부터 폐기물 고형연료를 제조하여 유기성 폐기물을 연료로 활용하는 방안에 대한 연구가 이루어지고 있다. 최근의 화석에너지의 고갈과 환경규제의 강화로 신·재생에너지의 개발 및 보급이 시급해지고 있는 현실을 감안하면, 유기성 폐기물로부터 폐기물 고형연료를 제조하여 활용하는 방안은 환경적인 측면과 자원의 확보 및 활용 측면에서 매우 기대가 되는 분야이다. As one of the methods of treating organic wastes, researches have been made on the method of producing waste solid fuel from organic wastes and using the organic wastes as fuel. Considering the fact that the development and distribution of new and renewable energy is urgent due to the recent depletion of fossil energy and the strengthening of environmental regulations, the method of producing and utilizing waste solid fuel from organic waste is to secure environmental aspects and resources. It is a very promising field in terms of application.
그러나 현재 알려진 유기성 폐기물로부터 폐기물 고형연료를 제조하는 방식은 매우 복잡한 경우가 다수이며, 특히 발열량이 낮아 경제성 측면을 만족하지 못하고 있는 실정이다. However, the method of producing the waste solid fuel from the known organic waste is very complicated in many cases, especially the low calorific value does not satisfy the economic aspects.
이에 본 발명의 발명자들은 유기성 폐기물을 고온, 고압의 조건에서 열처리를 하여 유기성 폐기물 내의 고분자 물질을 열분해가 쉬운 저분자 물질로 전환시킴과 동시에 비표면적이 넓은 다공성 구조로 전환시키게 되면, 연소 효율이 높은 것을 확인함으로써 본 발명을 완성하게 되었다.
Therefore, the inventors of the present invention heat-treat organic waste at high temperature and high pressure to convert high molecular materials into organic low-molecular materials which are easily pyrolyzed and at the same time convert the organic waste into a porous structure having a large specific surface area. The present invention was completed by confirming.
본 발명은 상술한 종래의 문제점을 해결하기 위하여 안출된 것으로서 유기성 폐기물로부터 연소 효율이 높은 폐기물 고형연료를 제조하는 방법을 제공하는 것을 목적으로 한다.
An object of the present invention is to provide a method for producing waste solid fuel having high combustion efficiency from organic wastes, which has been devised to solve the above-mentioned conventional problems.
상기 목적을 달성하기 위한 본 발명의 일 측면에 따른 유기성 폐기물을 이용한 폐기물 고형연료의 제조방법은,Method for producing a waste solid fuel using an organic waste according to an aspect of the present invention for achieving the above object,
(1) 유기성 폐기물로부터 이물질을 제거하는 제1단계; 및(1) a first step of removing foreign matter from organic waste; And
(2) 상기 제1단계의 과정을 통하여 이물질이 제거된 유기성 폐기물을 반응기에 주입하고 열처리를 하는 제2단계;를 포함하여 이루어진다.(2) a second step of injecting the organic waste from which foreign substances have been removed through the process of the first step into the reactor and performing heat treatment.
상기 유기성 폐기물은 음식물 쓰레기, 슬러지, 축산분뇨 및 이들의 혼합물로 이루어지는 군으로부터 선택될 수 있다.The organic waste may be selected from the group consisting of food waste, sludge, livestock manure and mixtures thereof.
상기 열처리는 200 내지 500℃의 온도범위에서 이루어지는 것이 바람직하다.The heat treatment is preferably made in a temperature range of 200 to 500 ℃.
또한 상기 열처리는 반응기의 온도가 10 내지 30℃/min의 속도로 승온되는 조건에서 이루어지는 것이 바람직하다.In addition, the heat treatment is preferably made in a condition that the temperature of the reactor is heated at a rate of 10 to 30 ℃ / min.
상기 열처리는 반응기의 내부 압력이 1 내지 5 MPa인 조건에서 이루어질 수 있다.The heat treatment may be performed under the condition that the internal pressure of the reactor is 1 to 5 MPa.
상기 열처리는 1 내지 5 시간 동안 이루어지는 것이 바람직하다.
The heat treatment is preferably performed for 1 to 5 hours.
상술한 본 발명에 의할 경우, 유기성 폐기물로부터 발열량이 우수한 폐기물 고형연료를 제조할 수 있게 된다.
According to the present invention described above, it is possible to produce a waste solid fuel having excellent calorific value from organic waste.
도 1은 본 발명의 일 실시예에 의한 폐기물 고형연료를 제조하는데 사용되는 장치의 개략도이다.
도 2는 본 발명의 실시예 1(b) 및 비교예(a)에 의한 폐기물 고형연료의 50,000 배율 SEM 이미지이다.
도 3은 본 발명의 실시예 및 비교예에 의한 폐기물 고형연료의 발열량 측정 결과이다. 1 is a schematic diagram of an apparatus used to produce waste solid fuel according to one embodiment of the present invention.
Figure 2 is a 50,000-magnification SEM image of the solid waste fuel according to Example 1 (b) and Comparative Example (a) of the present invention.
3 is a calorific value measurement result of the solid waste fuel according to the Examples and Comparative Examples of the present invention.
이하 본 발명을 상세히 설명한다. Hereinafter, the present invention will be described in detail.
본 발명은 유기성 폐기물을 이용한 폐기물 고형연료의 제조방법을 제공하는데, 본 발명의 일례에 의한 폐기물 고형연료의 제조방법은, The present invention provides a method for producing waste solid fuel using organic waste, the method for producing waste solid fuel according to one embodiment of the present invention,
(1) 유기성 폐기물로부터 이물질을 제거하는 제1단계; 및(1) a first step of removing foreign matter from organic waste; And
(2) 상기 제1단계의 과정을 통하여 이물질이 제거된 유기성 폐기물을 반응기에 주입하고 열처리를 하는 제2단계;를 포함하여 이루어진다.(2) a second step of injecting the organic waste from which foreign substances have been removed through the process of the first step into the reactor and performing heat treatment.
상기 제1단계에서 이루어지는 이물질 제거는 유기성 폐기물 내에 포함되어 있는 금속물, 석재 등의 이물질을 제거하는 과정으로 이는 통상의 방법에 의하여 행해지므로 이의 상세한 설명은 생략한다.The removal of foreign matters in the first step is a process of removing foreign matters such as metals, stones, and the like contained in the organic waste, which is performed by a conventional method, and thus detailed description thereof will be omitted.
상기 유기성 폐기물은 유기성 폐기물로 알려진 어느 것을 사용하여도 무방하며, 이의 구체적인 예를 들어보면 음식물 쓰레기, 슬러지, 축산분뇨 등이 있다.The organic waste may be any known organic waste, and specific examples thereof include food waste, sludge, livestock manure, and the like.
상기 열처리는 200 내지 500℃의 온도범위에서 이루어지는 것이 바람직한데, 열처리 온도가 상기 하한치 미만일 경우에는 본 발명이 의도하는 효과 즉, 고분자 물질의 저분자 물질로의 전환과 다공성 구조로의 전환이 미흡할 우려가 있어 바람직하지 않으며, 상기 열처리 온도가 상한치를 초과하는 경우에는 유기성 폐기물 내의 유기물질의 일부가 열분해 됨으로써 제조되는 폐기물 고형연료의 발열량이 저하될 우려가 있어 바람직하지 않다. The heat treatment is preferably made in a temperature range of 200 to 500 ℃, when the heat treatment temperature is less than the lower limit, the effect intended by the present invention, that is, the conversion of the high molecular material into a low molecular material and the conversion into a porous structure may be insufficient. If the heat treatment temperature exceeds the upper limit, it is not preferable because the heat generation amount of the waste solid fuel produced by thermal decomposition of a part of the organic material in the organic waste may be lowered.
또한 상기 열처리는 반응기의 온도가 10 내지 30℃/min의 속도로 승온되는 조건에서 이루어지는 것이 바람직한데, 승온속도가 상기 하한치 미만인 경우에는 불필요하게 공정시간이 길어지게 되어 바람직하지 않고, 승온속도가 상기 상한치를 초과할 경우에는 급격한 온도의 증가로 유기성 폐기물 내의 유기물질의 일부가 열분해 또는 휘발됨으로써 제조되는 폐기물 고형연료의 발열량이 저하될 우려가 있어 바람직하지 않다. In addition, the heat treatment is preferably carried out under the condition that the temperature of the reactor is raised at a rate of 10 to 30 ℃ / min, if the temperature increase rate is less than the lower limit unnecessarily long process time is not preferable, the temperature increase rate is If the upper limit is exceeded, it is not preferable because a sudden increase in temperature may lower the calorific value of the waste solid fuel produced by thermal decomposition or volatilization of a part of organic materials in the organic waste.
또한 상기 열처리는 반응기의 내부 압력이 1 내지 5 MPa인 조건에서 이루어지는 것이 바람직한데, 반응기 내부 압력이 상기 하한치 미만일 경우에는 본 발명이 의도하는 효과 즉, 고분자 물질의 저분자 물질로의 전환과 다공성 구조로의 전환이 미흡할 우려가 있어 바람직하지 않으며, 반응기 내부 압력이 상기 상한치를 초과하는 경우에는 상한치의 경우와 별반 차이가 없어 불필요한 에너지를 소모하게 되어 바람직하지 않다. In addition, the heat treatment is preferably carried out under the condition that the internal pressure of the reactor is 1 to 5 MPa, when the internal pressure of the reactor is less than the lower limit, the effect intended by the present invention, that is, the conversion of the polymer material into a low molecular material and a porous structure There is a possibility that the conversion of is insufficient, and it is not preferable. When the internal pressure of the reactor exceeds the upper limit, there is no difference from the upper limit, which consumes unnecessary energy.
또한 상기 열처리는 1 내지 5 시간 동안 이루어지는 것이 바람직한데, 열처리 시간이 상기 하한치 미만일 경우에는 본 발명이 의도하는 효과 즉, 고분자 물질의 저분자 물질로의 전환과 다공성 구조로의 전환이 미흡할 우려가 있어 바람직하지 않으며, 열처리 시간이 상기 상한치를 초과하는 경우에는 과도한 열처리로 인하여 유기성 폐기물 내의 유기물질의 일부가 열분해 또는 휘발됨으로써 제조되는 폐기물 고형연료의 발열량이 저하될 우려가 있어 바람직하지 않다.
In addition, the heat treatment is preferably performed for 1 to 5 hours, when the heat treatment time is less than the lower limit, there is a fear that the effect intended by the present invention, that is, the conversion of the high molecular material into the low molecular material and the conversion into the porous structure may be insufficient. When the heat treatment time exceeds the upper limit, the heat generation time of the waste solid fuel produced by thermal decomposition or volatilization of a part of the organic material in the organic waste due to excessive heat treatment is not preferable.
이하 실시예 및 시험예를 통하여 본 발명을 더욱 상세하게 설명한다.
Hereinafter, the present invention will be described in more detail with reference to Examples and Test Examples.
실시예Example : 폐기물 고형연료의 제조 : Manufacture of Solid Waste Fuel
음식물 쓰레기를 이용하여 폐기물 고형연료를 제조하였다. 음식물 쓰레기는 순천대학교 교직원 식당에서 수거하였으며, 열처리 이전에 이물질을 제거하는 단계를 수행하였다. Waste solid fuel was produced using food waste. Food waste was collected from the staff cafeteria of Sunchon National University, and the step of removing foreign substances before heat treatment was performed.
열처리는 도 1에 모식도를 나타낸 것과 같은 장치를 이용하여 수행하였으며, 온도, 압력 및 시간의 조건은 하기의 표 1과 같다. 하기의 각 실시예 모두 승온속도는 20℃/min으로 조절하였다.
The heat treatment was performed using the apparatus as shown in the schematic diagram in Figure 1, the temperature, pressure and time conditions are shown in Table 1 below. In each of the following examples, the temperature increase rate was adjusted to 20 ° C / min.
비교예Comparative Example
상기 실시예에서 사용한 것과 동일한 음식물 쓰레기를 100℃에서 5시간 동안 건조시킨 다음 이를 비교예로 선정하였다.
The same food waste as used in the above example was dried at 100 ° C. for 5 hours and then selected as a comparative example.
비표면적Specific surface area 특성 characteristic
상기 실시예 및 비교예에 의하여 제조된 폐기물 고형연료의 비표면적 특성을 알아보기 위하여 실시예 1과 비교예의 50,000 배율의 SEM(scanning electron microscope) 이미지를 촬영하여 이를 도 2에 나타내였다. 도면에서 확인할 수 있듯이 본 발명의 실시예 1에 의하여 제조된 폐기물 고형연료(b)는 비교예(a)와 달리 다수의 공극이 형성되어 다공성 물질로 전환되면서 비표면적이 넓어짐을 확인할 수 있었다. 이와 같이 다공성 물질로 전환이 되면, 연소 과정에서 산소와의 접촉이 활발하게 이루어져 연소 효율을 높여줄 것으로 기대된다.
In order to investigate the specific surface area characteristics of the solid waste fuels prepared according to the examples and the comparative example, a scanning electron microscope (SEM) image of 50,000 magnifications of Example 1 and the comparative example was taken and shown in FIG. 2. As can be seen in the drawings, the waste solid fuel (b) manufactured according to Example 1 of the present invention, unlike the comparative example (a), was found to have a large specific surface area as a plurality of pores are formed and converted into a porous material. In this way, when converted to a porous material, it is expected to increase the combustion efficiency by active contact with oxygen in the combustion process.
발열량 평가Calorific value evaluation
상기 실시예 및 비교예에 의한 폐기물 고형연료의 발열량을 측정하여 이를 하기의 표 2 및 도 3에 나타내었다.The calorific value of the solid fuel waste according to the Examples and Comparative Examples was measured and shown in Table 2 and FIG. 3.
상기의 결과에서 확인할 수 있듯이 본 발명의 실시예에 의한 폐기물 고형연료는 비교예보다 월등히 높은 발열량을 가짐을 확인할 수 있었다. 즉, 유기성 폐기물을 본 발명에 개시된 방법과 같이 처리하게 되면, 높은 발열량을 가지게 되어 유기성 폐기물을 효율적인 에너지 자원으로 사용할 수 있게 된다.
As can be seen from the above results, it was confirmed that the waste solid fuel according to the embodiment of the present invention had a much higher calorific value than the comparative example. In other words, when the organic waste is treated in the same manner as the method disclosed in the present invention, it has a high calorific value, so that the organic waste can be used as an efficient energy source.
본 발명은 상기한 실시예와 첨부한 도면을 참조하여 설명되었지만, 본 발명의 개념 및 범위 내에서 상이한 실시예를 구성할 수도 있다. 따라서 본 발명의 범위는 첨부된 청구범위 및 이와 균등한 것들에 의해 정해지며, 본 명세서에 기재된 특정 실시예에 의해 한정되지는 않는다.Although the present invention has been described with reference to the above-described embodiments and the accompanying drawings, other embodiments may be configured within the spirit and scope of the present invention. Therefore, the scope of the present invention is defined by the appended claims and equivalents thereof, and is not limited by the specific embodiments described herein.
Claims (6)
(2) 상기 제1단계의 과정을 통하여 이물질이 제거된 유기성 폐기물을 반응기에 주입하고, 200 내지 500℃의 온도범위와 반응기의 내부 압력이 1 내지 5 MPa인 조건에서 1 내지 5 시간 동안 열처리를 하여 상기 유기성 폐기물을 저분자 물질로 전환시킴과 동시에 다공성 구조로 전환시키는 제2단계를 포함하여 이루어지는 것을 특징으로 하는 폐기물 고형연료의 제조방법.
(1) a first step of removing foreign matter from organic waste; And
(2) Injecting the organic waste from which the foreign matter is removed through the process of the first step into the reactor, heat treatment for 1 to 5 hours at a temperature range of 200 to 500 ℃ and the internal pressure of the reactor 1 to 5 MPa And converting the organic waste into low molecular weight materials and simultaneously converting the organic waste into a porous structure.
상기 유기성 폐기물은 음식물 쓰레기, 슬러지, 축산분뇨 및 이들의 혼합물로 이루어지는 군으로부터 선택되는 것을 특징으로 하는 폐기물 고형연료의 제조방법.
The method of claim 1,
Wherein said organic waste is selected from the group consisting of food waste, sludge, livestock manure, and mixtures thereof.
상기 열처리는 반응기의 온도가 10 내지 30℃/min의 속도로 승온되는 조건에서 이루어지는 것을 특징으로 하는 폐기물 고형연료의 제조방법.The method of claim 1,
The heat treatment is a method for producing a waste solid fuel, characterized in that the temperature of the reactor is made at a rate of 10 to 30 ℃ / min.
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| KR101951251B1 (en) | 2018-12-19 | 2019-02-25 | (주) 모아이노베이션 | Waste treatment system that utilizes high heat sources as a multipurpose |
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| KR19980022298A (en) * | 1996-09-21 | 1998-07-06 | 정명구 | Manufacturing method of solid fuel using waste and its manufacturing apparatus |
| JP2010106133A (en) * | 2008-10-30 | 2010-05-13 | Kubota Kankyo Service Kk | Process and apparatus for making waste into fuel |
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| KR19980022298A (en) * | 1996-09-21 | 1998-07-06 | 정명구 | Manufacturing method of solid fuel using waste and its manufacturing apparatus |
| JP2010106133A (en) * | 2008-10-30 | 2010-05-13 | Kubota Kankyo Service Kk | Process and apparatus for making waste into fuel |
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| KR101951251B1 (en) | 2018-12-19 | 2019-02-25 | (주) 모아이노베이션 | Waste treatment system that utilizes high heat sources as a multipurpose |
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