KR20030030800A - Alternative fuel manufacturing method using industrial waste - Google Patents
Alternative fuel manufacturing method using industrial waste Download PDFInfo
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- KR20030030800A KR20030030800A KR1020010063534A KR20010063534A KR20030030800A KR 20030030800 A KR20030030800 A KR 20030030800A KR 1020010063534 A KR1020010063534 A KR 1020010063534A KR 20010063534 A KR20010063534 A KR 20010063534A KR 20030030800 A KR20030030800 A KR 20030030800A
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- industrial waste
- alternative fuel
- fuel
- raw material
- thermal efficiency
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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
- C10L5/48—Solid fuels essentially based on materials of non-mineral origin on industrial residues and waste materials
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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
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/28—Cutting, disintegrating, shredding or grinding
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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
- 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
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- 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)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
본 발명은 현재 사용되고 있는 산업용 에너지의 열원인 유연탄, 벙커유 등을 이용하고 있는데 시멘트 클링커 소성과 제강, 제련용 열원으로 사용된다. 이와같은열원을 대체하기 위하여 산업생산업체로 부터 배출되는 가연성의 사업장 폐기물을 종래 일부업체에서 부분적으로 선별하여 재활용하고 있다 그러나 발생되는 폐기물을 소각, 파쇄, 절단하여 소형화 및 고형화하여 매립되는 것이 대부분 이었다. 따라서 환경오염으로 인한 지탄의 대상이 되었고 이에 따른 수집,운반,소각 및 위탁처리에 있어 처리비용이 과다하여 업체와 소비자들에게 손해를 끼쳤으며 일부잔재물은 최종처리후에도 흔적이 영존하여 후유증을 두고두고 감내하여야 하는 문제점이 있었다.The present invention utilizes bituminous coal, bunker oil, etc., which are currently used as a heat source of industrial energy, and is used as a heat source for cement clinker firing, steelmaking, and smelting. In order to replace such heat sources, flammable workplace wastes from industrial producers are partially selected and recycled. However, most of the wastes are incinerated, shredded, cut and miniaturized and solidified. . As a result, it became a target of aggravation due to environmental pollution, and it caused damage to companies and consumers due to excessive processing costs in the collection, transportation, incineration, and consignment processing. Some residues persist after leaving the trail after the final treatment. There was a problem that should be.
따라서 본 발명은 상기와 같은 종래 의 문제점을 해결하기 위한 것으로서, 본 발명의 과제는 산업체로부터 배출되는 폐기물을 산업용 에너지의 열원으로 대체 할수 있도록 업체로부터 배출되는 가연성의 폐기물을 선별하여 주재료로 하고 다른 비 가연성폐기물 또는 고열량 부산물을 부재료로 하여 이들의 물리적, 화학적 소성을 통해 사용용도 목적에 적합하도록 대체연료를 생산, 가공하기 위해 선 출원된(실용신안출원 20-2001-0028275호)의 장치를 통하여 산업폐기물을 이용한 대체연료 제조방법를 제공하는데 있다.Therefore, the present invention is to solve the conventional problems as described above, the problem of the present invention is to select the combustible waste discharged from the company as a main material to replace the waste discharged from the industry with a heat source of industrial energy and other non- Through the application of the Utility Model Application No. 20-2001-0028275, which has been applied for the production and processing of alternative fuels suitable for the purpose of use through their physical and chemical calcining as combustible waste or high calorific by-products The present invention provides a method of manufacturing alternative fuel using waste.
도 1 은 본 발명의 제조방법을 이루기 위한 작업운용과정을 도시한 배치도.1 is a layout view showing a work operation process for achieving the manufacturing method of the present invention.
선출원(실용신안출원 20-2001-0028275호)Application for selection (utility model application 20-2001-0028275)
도 2 는 본 발명의 제조방법을 순서대로 나타낸 표.2 is a table showing the manufacturing method of the present invention in order.
* 도면의 주요부분에 대한 부호설명* Explanation of symbols on the main parts of the drawings
1. 산업폐기물(더스트) 2. 호퍼 (feed hopper)1. Industrial waste (dust) 2. Feed hopper
3. 공급장치(apron feeder) 4. 바이브레션스크린(vibrating screen)3. apron feeder 4. vibrating screen
5. 드럼마그네트(magnetic) 6. 비철선별기5. Drum magnet 6. Non ferrous separator
7.7' 밸트콘베어(velt conveyor) 8. 행가 마그네트(magnetic seperator)7.7 'belt conveyor 8. hanger magnet (magnetic seperator)
9. 집진기 9'. 집진연결로9. Dust collector 9 '. Dust collection
10. 분쇄기 11. 믹서기(혼합hopper)10. Grinder 11. Blender
12. 압출기 13. 부원료호퍼12. Extruder 13. Side Material Hopper
상기와 같은 과제을 해결하기 위하여 본 발명은 크게 산업폐기물(더스트)를 호퍼(feed hopper)에 투입하여 일정량씩 밸트콘베어(velt conveyor), 공급장치 (apron feeder)를 통하여 이송함에 있어서, 1차 선별을 위한 바이브레션스크린 (vibrating screen)과 와이어메쉬(쇠그물망)으로 구성된 비철선별기와 행가마그네트(magnetic seperator)와 드럼마그네트(magnetic)와 수작업선별을 위한밸트콘베어 (velt conveyor)라인과 벨트콘베어 단부에 환봉형의 행가 마그네트(magnetic seperator)로 구성되고 1차 선별후 분쇄기에 투입 파쇄하며 재차 시설된 마그네트(magnetic seperator)로 선별하여 투입되는 믹서기와 압출기가 연설되어 시설된 것을 특징으로 하는 운용장치(실용신안출원 20-2001-0028275호)를 근거로 한다.In order to solve the above problems, the present invention is mainly put the industrial waste (dust) into the hopper (feed hopper) by a predetermined amount in the transfer through the belt conveyor (velt conveyor), the feeder (apron feeder), the primary sorting Non-ferrous separators consisting of vibrating screens and wire meshes, magnetic seperators and belt conveyor lines for drum magnetic and manual sorting and round bars on belt conveyor ends The operating device (utility model), characterized in that the mixer is composed of a hanger magnet (magnetic seperator), the first sorting and shredding into the grinder, and the mixer and the extruder are sorted and fed into the magnetic seperator again equipped (utility model) Application 20-2001-0028275).
이하, 본 발명의 특징을 효과적으로 달성할 수 있는 바람직한 실시 예로서 그 기술구성 및 작용을 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings the technical configuration and operation as a preferred embodiment that can effectively achieve the features of the present invention will be described.
도 1 은 본 발명의 제조방법을 이루기 위한 작업운용과정을 도시한 배치도로서, 수집된 산업폐기물(더스트)(1)를 포크레인 또는 포크리프트 등의 이송수단을 사용하여 호퍼(feed hopper)(2)에 투입하는 는 상태로 호퍼(feed hopper)(2)의 하단으로 일정량씩 배출하여 공급장치(apron feeder)(3)로 이송하고 이송된 산업폐기물(더스트)(1)는 바이브레션스크린(vibrating screen)(4)를 통해 상단에서 하단으로 내려오면서 모래, 흙, 유리, 등의 불순물을 제거한 다음, 수평으로 진동되는 비철선별기(6)를 통하여 재차 상기한바와 같이 불순물을 제거하고, 밸트콘베어(velt conveyor)(7,)로 이송되며 이때 밸트콘베어(veltconveyor)(7) 중간부에 행가마그네트(magnetic seperator)(8)를 설치하여 이송중인 산업폐기물(더스트)(1)내에 혼합된 쇠조각 (열효율을 저하시키는 물질) 즉 금속물질을 강력한 자성체 로 선별하고, 밸트콘베어(velt conveyor)(7)단부에 드럼마그네트(magnetic)(5)를 장착 재차선별하는 장치가 시설되며 2차 밸트콘베어(velt conveyor)(7')로 이송되는 과정에서magnetic으로 선별이 불가능한 비철금속 즉 비철, 고무, 전선,과 같은 물질은 수작업으로 선별하여 제거하므로서 염소(CL) 성분을 적출하기 위한 작업과정을 거치게 되고 수작업선별(13) 후 재차 밸트콘베어(velt conveyor)(7')의 단부에 행가마그네트(magnetic seperator)(8)를 설치하여 잔류하고 있는 금속을 걸러주도록 한다. 이때 발생되는 미세한 먼지등은 중앙집중식으로 설치된 집진기를 통하여 공장내부를 정화시키는 것이 바람직하다. 전술한 바와같이 수작업선별(13)이 가능토록 시설된 밸트콘베어(velt conveyor)(7')를 거쳐 일정한 규격으로 파쇄하기 위한 장치인 분쇄기(10)에 선별된 산업폐기물(더스트)(1)를 투입하여 매우 잘게 분쇄 및 파쇄하여 밸트콘베어(velt conveyor)(7)로 이송되어지는데 이때 분쇄된 산업폐기물(더스트) (1)내에 포함된 미세 금속들을 밸트콘베어(velt conveyor)(7") 상단에 행가 마그네트(magnetic seperator)(8)를 설치하여 최종선별 후 유연탄 또는 무연탄 즉 코크스 와같은 부원료를 공급하도록 다수의 호퍼(hopper)(2)가 시설되고 시설된 호퍼(hopper)(2)에서 일정량씩의 부원료를 분쇄/ 선별된 산업폐기물(더스트)(1)와 믹서기(혼합hopper)(11)에 투입 혼합하여 일정 크기로 압착규격화 하여 생산하도록 믹서기(혼합hopper)(11) 하단에 압출기(12)가 설치되어 사업장 폐기물을 선별, 분쇄, 믹서(혼합), 압출하여 가연성의 원료로 생산하기 위한 장치의 결합구성된다.1 is a layout showing the operation of the process for achieving the manufacturing method of the present invention, the collected industrial waste (dust) (1) using a feed means such as forklift or forklift (feed hopper) (2) It discharges a certain amount to the lower end of the feed hopper (2) in the state of being fed to the feeder (apron feeder) (3) and the conveyed industrial waste (dust) (1) is a vibrating screen (vibrating screen) Remove the impurities such as sand, soil, glass, etc. while descending from the top to the bottom through the (4), and then through the non-ferrous separator (6) vibrating horizontally again to remove the impurities as described above, belt conveyor (velt conveyor A piece of iron (heat efficiency) mixed in an industrial waste (dust) 1 being transported by installing a magnetic seperator 8 in the middle of a beltconveyor 7. Material that lowers the In the process of sorting by adult, re-selecting the drum magnet (5) at the end of the belt conveyor (7) is installed, and in the process of being transferred to the second belt conveyor (7 ') Non-ferrous metals, such as non-ferrous metals, rubber, wires, etc., which cannot be magnetically sorted, are manually sorted and removed to remove chlorine (CL) components. After manual sorting (13), belt conveyors are again used. A magnetic seperator 8 is provided at the end of 7 'to filter out the remaining metal. The fine dust generated at this time is preferably purified inside the factory through a dust collector installed in a centralized type. As described above, the industrial waste (dust) 1 sorted by the crusher 10, which is a device for crushing to a predetermined size via a belt conveyor 7 'equipped with a manual selection 13, is provided. The fine metal contained in the crushed industrial waste (dust) (1) is transferred to a belt conveyor (7) at the top of the belt conveyor (7 "). By installing a hanger magnet (8), a number of hoppers (2) are installed and installed in a fixed amount in order to supply the subsidiary materials such as bituminous coal or anthracite coal or coke after the final selection. Of the raw materials of the crushed / sorted industrial waste (dust) (1) and blender (mixing hopper) (11) and mixed by compression size to produce a certain size extruder (12) at the bottom of the mixer (mixing hopper) 11 to produce Has been installed, sorting, grinding, mixer (Mixing), which is composed of a combination of devices for extruding and producing combustible raw materials.
도 2 는 본 발명의 제조방법을 순서대로 나타낸 표이다. 도 1에서 전술 한 바와 같이 구성된 장치를 이용하여 제조되는 대체연료는 본래 산업폐기물로서 주로소각 또는 매립하여 처리 하는 것이 대부분 이었다. 그 예로서 폐차의 절단잔재물의 물리적 조성을 보면 플라스틱 34.0% 전선,금속 6.0% 스폰지류 20.5% 헝겊류10.5% 고무류 5.0% 나무/종이 1.5% 더스트 22.5%로 혼합된 상태이며 그 성분. 열량및 입도조성을 살펴보면 수분 5% 염소3.876ppm 열량 5,000kcal/kg 입도는 16mm이상 62% 16-5mm 15.3% 5-3mm 6.7% 3m이하 16% 로서 그 입도가 크고 균일하지 않으며 열량이 부족하여 대체에너지원으로 활용하기에는 현저하게 부적합한 것이다.2 is a table showing the manufacturing method of the present invention in order. Alternative fuel produced by using the device configured as described above in Figure 1 was mostly incinerated or landfill mainly treated as industrial waste. For example, the physical composition of the cutting residues of scrapped cars is plastic 34.0% wire, metal 6.0% sponge 20.5% cloth 10.5% rubber 5.0% wood / paper 1.5% dust 22.5% mixed and its components. In terms of calories and particle size, moisture 5% chlorine 3.876ppm calories 5,000kcal / kg The particle size is 16mm or more 62% 16-5mm 15.3% 5-3mm 6.7% 3m or less 16% It is remarkably inadequate to use as a circle.
상기와 같이 혼합된 상태의 폐차 절단잔재물 중 열효율을 저하시키는 금속물질 및 흙과 돌을 선별 제거하기 위하여 마그네틱과 스크린을 이용한 선별을 거치게 되며 염소(cl)성분적출을 위해 염소(cl)성분이 다량 함유된 비철, 전선(구리), 고무를 수작업으로 선별하는 과정을 거치게 되고 원료의 투입과 압측을 효율적으로 하기 위하여 100mm이하로 파쇄하는 파쇄시설을 거치게 되며 상기 파쇄물의 열 효률상승과 압축을 원활하게 하기 위하여 믹서기에 부원료(무연탄,유연탄,코크스)를 투입 혼합후 압출/절단하여 대체연료로 제조하는 방법이다 이와같은 방법을 거쳐 제조된 산업폐기물을 이용한 대체연료는 시멘트 클링커 소성 및 제강 및 제련용 대체에너지의 열원으로 사용되어 지는데 노천 개확지 작업으로 먼지의 비산을 방지하는 수분수준 25% +/- 을 유지하고, 주재료 비중 0.28t/m2 이하를 가열, 분해, 압축(밀도증가)하여 0.4t/m2 이상으로 향상시시키므로서 물류효율을 증대할 수 있다. 특히 무익 불화성 금속물질인 철금속과 비철금속은 용도에 따라 적출(摘出) 또는 취사(取捨)하게된다.In order to remove metal materials, soil, and stones that reduce thermal efficiency among the scrapped wastes in the mixed state as described above, they are subjected to screening using magnetic and screen, and a large amount of chlorine (cl) component is used to extract chlorine (cl) component. It goes through the process of sorting non-ferrous, wire (copper), and rubber by hand, and goes through a shredding facility to shred 100mm or less for efficient loading and pressing of raw materials. In order to make a substitute fuel by adding and mixing subsidiary materials (anthracite coal, coal briquettes, and coke) to the blender, the alternative fuel manufactured by using this industrial waste is replaced with cement clinker for sintering and steelmaking and smelting. It is used as a heat source of energy, and the open-air reclamation work prevents the dust from scattering and provides a moisture level of 25% +/- It is possible to increase the logistical efficiency by maintaining, and heating, decomposing and compressing (increasing the density) of the main material specific gravity of 0.28t / m2 or less to improve it to 0.4t / m2 or more. In particular, ferrous metals and nonferrous metals, which are useless incombustible metal materials, are extracted or cooked depending on the purpose.
실시예로서 시멘트소성용에 투입되는 연료는 철과 비철금속을 완전 사(捨)하는 것이 바람직하고, 제강소성용에 투입되는 연료는 철금속은 취(取)하고 비철금속은 사(捨)하여야 하며 제련소성용에 투입되는 연료는 비철금속은 취(取)하고 철금속은 사(捨)하는 것이 바람직 하다.As an example, the fuel to be used for cement firing is preferably completely iron and nonferrous metals, and the fuel to be used for steelmaking should be ferrous metal and nonferrous metals to be fired. The fuel to be injected is preferably nonferrous metal and ferrous metal.
그리고 유해성분인 염소(cl)는 추출 및 원상 유지하는 것이 바람직하다.And chlorine (cl) which is a harmful component is preferably extracted and maintained intact.
즉 시멘트소성용에 투입되는 연료는 3000ppm 이하 수준으로 혼화 하거나 추출하게 되고, 제강, 제련소성용에 투입되는 연료는 원상그대로 사용하여도 무방한 것이다.That is, the fuel used for cement firing is mixed or extracted to a level of 3000 ppm or less, and the fuel used for steelmaking and smelting firing may be used as it is.
이상과 같은 방법에 의하여 제조된 산업폐기물을 이용한 대체연료는 재 처리전 유리, 흙, 모래 등의 발열량을 저하시키는 물질이 전체량을 100%로로 보았을 때 23% 이상을 차지하여 연료로서의 가치를 현저하게 미달시켰으나 본 발명의 처리방법으로 재처리 후 90% 이상을제거하여 열효율을 높였으며 코크스등 부원료를 추가하여 기존 유연탄 및 벙커유의 대체연료로 열량(kcal)을 높이는데 상당한 효과를 발휘하였다. 특히 환경오염에 치명적인 작용하는 염소(cl)는 전선, 비철, 고무등에 함유되어 있으므로 이를 전체 100%로 보았을 때 포함된 량이 7%로 였으며 본 발명의 처리방법으로 재처리 후 70% 이상을 제거하여 염소(cl)를 제거하는데 효과를 나타내었다. 전술한 것과 같이 본 발명의 산업폐기물을 이용한 대체연료 제조방법은 각 사업체에서 발생되는 산업폐기물을 소각, 절단하여 소형화 및 고형화하여 매립하였다Alternative fuel using industrial waste produced by the above method accounted for more than 23% of the total amount of substances that lower the calorific value of glass, soil, sand, etc. before reprocessing. However, after the reprocessing by the treatment method of the present invention, the heat efficiency was improved by removing more than 90%, and by adding an auxiliary material such as coke, it showed a significant effect on increasing the calorie (kcal) as an alternative fuel of the existing bituminous coal and bunker oil. In particular, since chlorine (cl), which is harmful to environmental pollution, is contained in wires, non-ferrous metals, and rubber, the total amount of chlorine (cl) was 7%. Effective in removing chlorine (cl). As described above, in the alternative fuel manufacturing method using the industrial waste of the present invention, the industrial waste generated from each business was incinerated, cut, miniaturized and solidified, and landfilled.
따라서 환경오염은 물론 이에 따른 수집,운반,소각 및 위탁처리에 있어 처리비용을 현저하게 줄일 수 있다 특히 본 발명의 산업폐기물을 이용한 대체연료 제조방법을 통하여 산업용 에너지의 열원으로 사용되고 있는 유연탄, 벙커유 등의 대체에너지원으로 이용 시멘트 클링커 소성과 제강, 제련용에 열원으로 사용하므로서. 기존연료로 사용하고 있는 산업체의 보다 큰 이익을 창출하고 환경오염을 방지하는데 지대한 효과를 나타낼 것으로 본다.Therefore, environmental pollution, as well as the collection, transportation, incineration and consignment treatment can significantly reduce the processing cost. Particularly, bituminous coal, bunker oil which is used as a heat source of industrial energy through alternative fuel production method using the industrial waste of the present invention. It is used as an alternative energy source for cement clinker, as a heat source for firing, steelmaking and smelting. It is expected to have a great effect in generating greater profits and preventing environmental pollution of industries that use existing fuels.
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Citations (6)
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KR840003280A (en) * | 1983-01-17 | 1984-08-20 | 이금주 | Briquette manufacturing method |
KR890002831A (en) * | 1987-07-14 | 1989-04-11 | 이우에 사또시 | Magnetic Head and Manufacturing Method Thereof |
KR940003907A (en) * | 1992-08-29 | 1994-03-14 | 방게르트. 빅케 | N-methylamide, preparation method thereof and intermediate thereof and pest control method using the same |
KR19980016098U (en) * | 1996-09-16 | 1998-06-25 | 김영수 | Sorting device for solid fuel manufacturing system using waste |
JP2001232637A (en) * | 1999-12-13 | 2001-08-28 | Nippon Steel Corp | Method and apparatus for molding waste plastic granule for chemical raw material |
KR200263192Y1 (en) * | 2001-09-10 | 2002-02-04 | 김정수 | Alternative Fuel Manufacturing Equipment Using Industrial Waste |
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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KR840003280A (en) * | 1983-01-17 | 1984-08-20 | 이금주 | Briquette manufacturing method |
KR890002831A (en) * | 1987-07-14 | 1989-04-11 | 이우에 사또시 | Magnetic Head and Manufacturing Method Thereof |
KR940003907A (en) * | 1992-08-29 | 1994-03-14 | 방게르트. 빅케 | N-methylamide, preparation method thereof and intermediate thereof and pest control method using the same |
KR19980016098U (en) * | 1996-09-16 | 1998-06-25 | 김영수 | Sorting device for solid fuel manufacturing system using waste |
JP2001232637A (en) * | 1999-12-13 | 2001-08-28 | Nippon Steel Corp | Method and apparatus for molding waste plastic granule for chemical raw material |
KR200263192Y1 (en) * | 2001-09-10 | 2002-02-04 | 김정수 | Alternative Fuel Manufacturing Equipment Using Industrial Waste |
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