KR101268488B1 - Manufacturing method of solid fuel - Google Patents
Manufacturing method of solid fuel Download PDFInfo
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- KR101268488B1 KR101268488B1 KR1020110013949A KR20110013949A KR101268488B1 KR 101268488 B1 KR101268488 B1 KR 101268488B1 KR 1020110013949 A KR1020110013949 A KR 1020110013949A KR 20110013949 A KR20110013949 A KR 20110013949A KR 101268488 B1 KR101268488 B1 KR 101268488B1
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- solid fuel
- waste
- weight
- powder
- improve
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- 239000004449 solid propellant Substances 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 13
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 11
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 11
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003610 charcoal Substances 0.000 claims abstract description 6
- 239000004927 clay Substances 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 238000000748 compression moulding Methods 0.000 claims abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 33
- 238000004064 recycling Methods 0.000 abstract description 6
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000002023 wood Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000010893 paper waste Substances 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 238000003915 air pollution Methods 0.000 description 3
- 239000010849 combustible waste Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000010794 food waste Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002649 leather substitute Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 239000010920 waste tyre Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
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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
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/442—Wood or forestry waste
-
- 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
- C10L2290/30—Pressing, compressing or compacting
-
- 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
- C10L2290/32—Molding or moulds
-
- 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
- Y02E50/10—Biofuels, e.g. bio-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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
- Thermal Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
본 발명은 저렴한 비용으로 제조된 고형연료의 성능을 개선하여 폐자원 활용성을 극대화하고, 추가적으로 환경오염을 줄이고 효율을 향상시켜 폐기물들의 재활용 효율을 향상시킬 수 있도록 한 고형연료 제조방법에 관한 것으로서, 톱밥 27~33 중량 %, 분쇄한 낙엽 38~46 중량%, 점토 분말 2~4 중량%, 참숯가루 4~6 중량%, 향액 11~15 중량%, 왕겨 2~6 중량%, 산화마그네슘 분말 2~4 중량%를 혼합하여 온도 40~45℃에서 특정 형상으로 압축 성형하는 것을 특징으로 한다.The present invention relates to a solid fuel manufacturing method that can improve the performance of the solid fuel produced at low cost to maximize the utilization of waste resources, and further improve the recycling efficiency of waste by reducing environmental pollution and improving efficiency, Sawdust 27-33 wt%, crushed leaves 38-46 wt%, clay powder 2-4 wt%, charcoal powder 4-6 wt%, sachet 11-15 wt%, chaff 2-6 wt%, magnesium oxide powder 2 It is characterized by compression molding to a specific shape at a temperature of 40 ~ 45 ℃ by mixing ~ 4% by weight.
Description
본 발명은 고형연료 제조방법에 관한 것으로, 보다 상세하게는, 저렴한 비용으로 제조된 고형연료의 성능을 개선하여 폐자원 활용성을 극대화하고, 추가적으로 환경오염을 줄이고 효율을 향상시켜 폐기물들의 재활용 효율을 향상시킬 수 있도록 한 고형연료 제조방법에 관한 것이다. The present invention relates to a method for manufacturing solid fuel, and more particularly, to maximize the utilization of waste resources by improving the performance of solid fuel produced at low cost, and further reducing environmental pollution and improving efficiency to improve the recycling efficiency of wastes. It relates to a solid fuel production method that can be improved.
일반적으로, 폐종이, 폐목재, 폐합성수지, 폐합성피혁, 폐섬유, 음식물쓰레기 등의 형태로 배출되는 가연성 폐기물은 매년 기하급수적으로 증가되고 있으며, 이를 효과적으로 처리하기 위하여 쓰레기 분리수거 하여 재활용함으로써 자원의 낭비와 자연환경의 오염을 방지하고자 하는 다양한 방법들이 연구, 개발되어지고 있다. 즉, 폐종이, 폐비닐 또는 이물질을 함유되는 폐합성수지 용기 등을 수거하여 재활용할 수 있도록 세척한 후 재가공하여 사용할 경우, 재활용 단가가 수입 단가보다 고가이기 때문에 추가 비용이 더 소요되는 문제점을 갖게 되며, 이로 인해 원자재를 소각하거나 지정된 매립지에 매설하여 폐기 처분함으로써 귀중한 자원을 낭비하게 되는 문제점을 갖는다.In general, combustible wastes discharged in the form of waste paper, waste wood, waste synthetic resin, waste synthetic leather, waste fiber, food waste, etc. are increasing exponentially each year. Various methods to prevent waste and pollution of the natural environment have been researched and developed. In other words, when waste paper, waste plastic resin containers containing waste vinyl or foreign substances are collected and washed to be recycled and then used again after being recycled, the recycling cost is higher than the import price, resulting in additional costs. As a result, there is a problem in that valuable resources are wasted by incineration of raw materials or by embedding them in a designated landfill.
상기와 같이, 막대한 양으로 배출되는 폐기물을 에너지원으로서 재활용할 수 있는 방법 중, 에너지의 효율적인 이용과 경제적인 측면을 고려할 때 현실적으로 가장 바람직한 방법은 가연성 폐기물을 분쇄한 후, 특정 형상으로 압축 성형하여 고체연료로 재사용하는 폐기물 고형연료(RDF; refused derived fuel 또는 RPF; refused plastic fuel)로서 이용하는 것이다. 상술한 고형연료는 일반적인 가연성 고체 폐기물 중에서 발열량이 4500ka/kcal인 것으로 폐합성수지, 폐종이, 폐목재로 제조되며, 대체에너지로 이용이 가능하다.As described above, considering the efficient use of energy and economic aspects, among the methods for recycling wastes discharged in huge amounts as an energy source, the most preferable method in practice is to crush the combustible wastes, and then compress and shape them into a specific shape. It is used as a waste solid fuel (RDF) refused derived fuel or RPF (refused plastic fuel) for reuse as a solid fuel. The above-mentioned solid fuel has a calorific value of 4500 ka / kcal in general combustible solid waste, and is made of waste synthetic resin, waste paper, waste wood, and can be used as alternative energy.
일반적인 소각 방법에 비해 제작방법과 저장성이 우수하여 소각 시설의 가동에 따라 발생되는 문제점을 해결할 수 있으며, 많은 설비비용이 요구되는 액체 또는 기체연료화 기술에 비해 상대적으로 경제성이 높다.Compared with the general incineration method, the manufacturing method and storage properties are excellent, so that problems caused by the operation of the incineration plant can be solved.
현재 널리 사용되고 있는 화석 연료로부터의 에너지 전환의 일환으로 폐기물로부터 가공 성형한 고체 연료의 필수적인 조건으로는 고발열량일 것, 저함수율일 것, 성분이 균일할 것, 대기 오염 성분이 낮을 것, 기존의 고체 연료 사용 로(爐)에서도 사용이 가능할 것 등인데, 여기서 해결하기 가장 어려운 과제가 플라스틱 및 유해성 성분의 다량 혼합에 의한 대기 오염의 급증을 방지하는 것이다.The essential conditions for solid fuels processed and molded from waste as part of energy conversion from widely used fossil fuels are high calorific value, low water content, uniform components, low air pollution, and It may be used in a furnace using a solid fuel, and the most difficult problem to solve is to prevent the increase of air pollution by the large mixing of plastic and harmful components.
그러나, 고형연료들은 열량이 부족하여 연료 발열량 규격 6,000㎉ 이상에 미달되는 경우도 많아 고형 연료의 환경부 제시 규격에 애로가 있다. 또한 각종 회분들을 함유하여 연소 후 보일러 화실이나 연통 및 연교환부 영역에 고온에서 무기산화물 스케일을 형성하여 열전도율을 저해하고 설비의 효율을 급격히 낮추는 현상이 있다.However, solid fuels are often short of the calorific value of the fuel calorific value of 6,000 kPa or more, and there is a problem in the specification of the Ministry of Environment of solid fuel. In addition, it contains a variety of ash to form an inorganic oxide scale at high temperature in the boiler fire chamber or the communication and flue exchange area after combustion to inhibit the thermal conductivity and to sharply lower the efficiency of the equipment.
이러한 고형연료의 연소성 개선과 PVC 재질 연소에 따른 염소 문제를 개선하기 위하여, 국내 등록특허 제4894485호는 고형연료에 연소성을 개선하기 위하여 열분해 촉매인 제올라이트(zeolite)와 기타 연소 가능한 고형물들을 혼합하여 고형 연료를 제조하는 방법에 대하여 개시하고 있다. 국내 등록특허 제801504호는 하수처리, 공장폐수처리 또는 축산폐수처리 후 발생되는 탈수 슬러지를 출발물질로 하여 유연탄과 유사한 물성을 갖는 고형 연료를 제조하는 방법에 대하여 개시하고 있다. 또한, 국내 등록특허 제79102호는 연소장치에서 발생하는 열기를 이용하여 폐타이어, 폐비닐, 페트병과 같은 폐합성수지는 물론 일반 폐기물에서 가연성 폐기물을 용융시켜 RFP 또는 RDF를 제조하기 위한 가연성 폐기물을 이용한 고형연료 제조 장치에 관하여 개시하고 있다.In order to improve the combustibility of the solid fuel and the chlorine problem caused by the combustion of PVC materials, Korean Patent No. 4894485 mixes a solid pyrolysis catalyst zeolite and other combustible solids in order to improve the combustibility. A method for producing a fuel is disclosed. Korean Patent No. 801504 discloses a method for producing a solid fuel having physical properties similar to bituminous coal, using dewatered sludge generated after sewage treatment, factory wastewater treatment or livestock wastewater treatment as a starting material. In addition, Korean Patent No. 79102 uses flammable wastes for manufacturing RFP or RDF by melting flammable wastes in general wastes as well as waste synthetic resins such as waste tires, waste vinyl, and PET bottles using heat generated from a combustion device. Disclosed is a solid fuel production apparatus.
본 발명은 상기한 바와 같은 문제점을 해결하기 위하여 안출된 것으로서, 저렴한 비용으로 제조된 고형연료의 성능을 개선하여 폐자원 활용성을 극대화하고, 추가적으로 환경오염을 줄이고 효율을 향상시켜 폐기물들의 재활용 효율을 향상시킬 수 있도록 한 고형연료 제조방법을 제공하는데 있다.The present invention has been made to solve the above problems, to maximize the utilization of waste resources by improving the performance of low-cost manufactured solid fuel, further reduce environmental pollution and improve the efficiency of waste recycling It is to provide a solid fuel production method that can be improved.
본 발명의 제 1 실시예에 의한 고형연료 제조방법은, 톱밥 27~33 중량 %, 분쇄한 낙엽 38~46 중량%, 점토 분말 2~4 중량%, 참숯가루 4~6 중량%, 향액 11~15 중량%, 왕겨 2~6 중량%, 산화마그네슘 분말 2~4 중량%를 혼합하여 온도 40~45℃에서 특정 형상으로 압축 성형하는 것을 특징으로 한다. Solid fuel manufacturing method according to the first embodiment of the present invention, the sawdust 27-33% by weight, crushed leaves 38-46% by weight, clay powder 2-4% by weight, charcoal flour 4-6% by weight, flavor solution 11- 15% by weight, chaff 2-6% by weight, magnesium oxide powder 2-4% by weight, characterized in that the compression molding to a specific shape at a temperature of 40 ~ 45 ℃.
본 발명의 고형연료에 의하면, 고형연료의 열량을 개선하여 연소성을 향상시킬 수 있고, 연소 중 발생되는 회분 스케일 침적(fouling)에 의한 연소보일러의 화실 바닥의 코킹(coking) 현상 및 연통의 막힘 현상을 개선할 수 있으며, 연소가스 중 산성성분을 산화마그네슘이 중화하여 대기오염을 방지할 수 있는 효과를 가지고 있다. According to the solid fuel of the present invention, it is possible to improve the heat capacity of the solid fuel to improve the combustibility, the coking phenomenon of the bottom of the combustion chamber of the combustion boiler due to the ash scale deposition generated during combustion, and the clogging phenomenon of communication. It can improve, and has the effect of preventing the air pollution by neutralizing the magnesium oxide acid in the combustion gas.
이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 상세히 설명하기로 한다. 아울러 본 발명을 설명함에 있어서, 관련된 공지 구성 또는 기능에 대한 구체적인 설명이 본 발명의 요지를 흐릴 수 있다고 판단되는 경우에는 그 상세한 설명을 생략한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.
[실시예][Example]
이하 본 발명에서 기재하는 가연성 폐기물은 폐관법의 규정에 따라 재활용이 가능한 폐플라스틱, 폐타이어, 폐종이, 폐목재, 폐합성수지, 폐합성피혁, 폐섬유, 음식물쓰레기, 낙엽 등을 통틀어 의미하는 것이다. The flammable waste described in the present invention refers to waste plastic, waste tire, waste paper, waste wood, waste synthetic resin, waste synthetic leather, waste fiber, food waste, fallen leaves, etc. .
상기한 가연성 폐기물 중, 폐목재 및 낙엽을 취하여 고형연료를 만든다. Among the combustible wastes mentioned above, waste wood and fallen leaves are taken to make a solid fuel.
즉, 본 발명에 의한 고형연료는, 폐목재에서 나오는 톱밥 30 중량 %, 분쇄한 낙엽 42 중량%, 점토 분말 3 중량%, 참숯가루 5 중량%, 향액 10 중량%, 왕겨 4 중량%, 화공약품 3 중량%를 혼합하여 온도 40~45℃에서 특정 형상으로 압축 성형한다. That is, the solid fuel according to the present invention, the sawdust from the waste wood 30% by weight, crushed leaves 42% by weight, clay powder 3% by weight, 5% by weight of charcoal powder, 10% by weight sachets, chaff 4% by weight, chemicals 3% by weight of the mixture is compression molded into a specific shape at a temperature of 40 ~ 45 ℃.
상기한 바와 같은 본 발명의 고형연료를 제조하는 방법을 단계별로 설명한다. A method for producing the solid fuel of the present invention as described above will be described step by step.
<화공약품의 준비단계><Preparation stage of chemicals>
화공약품은 산화마그네슘을 준비한다. Chemicals prepare magnesium oxide.
상기 산화마그네슘은 통상의 미분 산화마그네슘을 준비한다.The magnesium oxide is prepared with ordinary finely divided magnesium oxide.
상기 산화마그네슘의 입자크기는 325 메쉬(mesh) 이하인 분체를 사용하는 것이 더 바람직하다. 또한, 상기 산화마그네슘의 비표면적(BET ㎡/g)은 필요에 따라 적절히 선택하여 사용할 수 있으며, 비표면적이 클수록 흡유량이 증가하고, 비표면적이 작을수록 흡유량은 감소한다.The particle size of the magnesium oxide is more preferably used powder of 325 mesh (mesh) or less. In addition, the specific surface area (BET m 2 / g) of the magnesium oxide may be appropriately selected and used as necessary. The larger the specific surface area, the greater the oil absorption amount, and the smaller the specific surface area, the oil absorption amount decreases.
상기 산화마그네슘은 고형분 함량이 30~60%인 것이 바람직하다.The magnesium oxide is preferably a solid content of 30 to 60%.
<분쇄단계><Grinding stage>
낙엽을 분쇄한다. 왕겨는 그대로 사용한다. 점토는 분말 형태인 것을 사용하는 것이 좋다. 참숯은 분말의 형태로 사용한다. Crush the fallen leaves. Use chaff as it is. It is preferable to use clay in powder form. Charcoal is used in the form of a powder.
<혼합단계><Mixing stage>
상기한 바와 같이 분말 형태의 참숯, 점토와 낙엽, 왕겨, 톱밥을 혼합하고, 향액와 화공약품을 넣고 겔상으로 만든다. As described above, the mixture of powdered charcoal, clay and fallen leaves, rice hulls, sawdust, mixed with sachet and chemicals to make a gel.
이때 교반기로는 인버터 장착형 AGITATOR 또는 밀링기를 사용할 수 있으며, 상기 밀링기로는 3-롤 밀, 핀 밀, 다이노 밀(dyno mill) 등을 사용할 수 있다.In this case, an agitator or a mill may be used as the stirrer. The mill may be a 3-roll mill, a pin mill, a dyno mill, or the like.
또한 상기 혼합 교반시 온도가 높을수록 경화작용을 촉진하게 되므로, 40~45℃ 정도로 온도를 유지하도록 한다.In addition, the higher the temperature at the time of the mixing stirring to promote the curing action, to maintain the temperature about 40 ~ 45 ℃.
<압축 단계><Compression stage>
상기 혼합된 겔상의 고형연료는 압축 단계를 거치게 된다.The mixed gel solid fuel is subjected to a compression step.
상기 압축은 50~100℃의 온도에서 4~8시간 동안 이루어지는 것이 좋으며, 특히 70℃에서 5 시간 동안 이루어지는 것이 더욱 좋다.The compression is preferably made for 4 to 8 hours at a temperature of 50 ~ 100 ℃, particularly preferably for 5 hours at 70 ℃.
<압출 성형단계><Extrusion molding step>
상기와 같이 압축된 고형연료는 재파쇄하거나 특정 성형기로 압출성형하여 크기와 형태를 조절한다.The compressed solid fuel as described above is re-crushed or extruded into a specific molding machine to control the size and shape.
상기와 같이 본 발명에 따른 고형연료는, 예상될 수 있는 스케일 침적(fouling) 현상을 개선할 수 있으며, 이를 통해 보일러나 소각로의 열효율 개선을 기대할 수 있다. 또한, 산화마그네슘은 알칼리금속으로서 산성 가스인 아황산가스이나 염산 수증기를 중화시키며, 이에 따라 설비 부식을 개선하고, 대기환경을 보전할 수 있다.As described above, the solid fuel according to the present invention can improve the scale fouling phenomenon that can be expected, through which it can be expected to improve the thermal efficiency of the boiler or incinerator. In addition, magnesium oxide neutralizes sulfurous acid gas and hydrochloric acid vapor, which are acidic gases, as alkali metals, thereby improving equipment corrosion and conserving the atmospheric environment.
따라서, 본 발명은 저렴한 비용으로 제조된 고형연료의 성능을 개선하여 폐자원 활용성을 극대화하고, 추가적으로 환경오염을 줄이고 효율을 향상시켜 폐기물들의 재활용 효율을 향상시킬 수 있게 된다.Therefore, the present invention can improve the performance of the solid fuel produced at low cost to maximize the utilization of waste resources, and further reduce the environmental pollution and improve the efficiency to improve the recycling efficiency of wastes.
이상에서와 같이, 본 발명의 상세한 설명에서 구체적인 실시예에 관해 설명하였으나, 본 발명의 기술이 당업자에 의하여 용이하게 변형 실시될 가능성이 자명하며, 이러한 변형된 실시예들은 본 발명의 특허청구범위에 기재된 기술사상에 포함된다할 것이다.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art. And will be included in the described technical idea.
Claims (1)
Sawdust 27-33 wt%, crushed leaves 38-46 wt%, clay powder 2-4 wt%, charcoal powder 4-6 wt%, sachet 11-15 wt%, chaff 2-6 wt%, magnesium oxide powder 2 Solid fuel manufacturing method characterized in that the compression molding to a specific shape at a temperature of 40 ~ 45 ℃ by mixing ~ 4% by weight.
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| KR101268488B1 true KR101268488B1 (en) | 2013-06-04 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR940021709A (en) * | 1993-03-09 | 1994-10-19 | 황연우 | Clean charcoal fuel |
| KR20070076557A (en) * | 2007-05-28 | 2007-07-24 | 김형식 | A solid fuel manufacturing method use of the sewage sludge and food wastes and inflammable wastes |
| KR20090083660A (en) * | 2008-01-30 | 2009-08-04 | 동 권 김 | A solid fuel for untreated waste |
| KR101101185B1 (en) | 2009-02-26 | 2012-01-03 | 부국산업주식회사 | Solid Fuel |
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2011
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR940021709A (en) * | 1993-03-09 | 1994-10-19 | 황연우 | Clean charcoal fuel |
| KR20070076557A (en) * | 2007-05-28 | 2007-07-24 | 김형식 | A solid fuel manufacturing method use of the sewage sludge and food wastes and inflammable wastes |
| KR20090083660A (en) * | 2008-01-30 | 2009-08-04 | 동 권 김 | A solid fuel for untreated waste |
| KR101101185B1 (en) | 2009-02-26 | 2012-01-03 | 부국산업주식회사 | Solid Fuel |
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