KR860009106A - Method for producing coal-water mixed fuel and its apparatus - Google Patents

Method for producing coal-water mixed fuel and its apparatus Download PDF

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KR860009106A
KR860009106A KR1019860003649A KR860003649A KR860009106A KR 860009106 A KR860009106 A KR 860009106A KR 1019860003649 A KR1019860003649 A KR 1019860003649A KR 860003649 A KR860003649 A KR 860003649A KR 860009106 A KR860009106 A KR 860009106A
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coal
flotation
ash
waste
rock
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KR1019860003649A
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Korean (ko)
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KR930011073B1 (en
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디. 데일리 레이프
데일리 레이프디.
이. 레딘저 케빈
레딘저 케빈이.
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더 뱁콕 앤드 윌콕스 컴퍼니
로버트제이. 에드워즈
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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
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/02—Froth-flotation processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets
    • B03B9/005—General arrangement of separating plant, e.g. flow sheets specially adapted for coal
    • 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
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
    • C10L1/326—Coal-water suspensions

Abstract

내용 없음No content

Description

석탄-물 혼합연료의 제조방법과 그 장치Method for producing coal-water mixed fuel and apparatus

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 장치를 개략적으로 나타낸 불록다이아그램,1 shows a block diagram schematically showing the device according to the invention,

제2도는 본 발명의 구현예를 나타낸 개략도,2 is a schematic view showing an embodiment of the present invention,

제3도는 업퍼프리포트(Upper Freeport) 석탄을 로드밀링 했을 경우 생성된 부유물의 입자크기를 나타낸 그래프.FIG. 3 is a graph showing the particle size of suspended solids produced when load milling Upper Freeport coal.

2,22...파쇄 및 초기연삭부, 4,24...거품 부유선광부, 6,28...탈수(Dewatering)부, 8,30...슬러리제조부, 10,32...폐석탈수 및 정수부, 26...역부유선광부, 202...석탄저장조, 204...이중로울파쇄기, 206,230...보올밀, 208...하이드로사이클론, 210,212,231...시이브벤드(Sieve bend), 214...상류흐름(over flow), 216...하류흐름(under flow), 218,221...조선기(粗選機), 219,222...정선기, 220,223...재정선기, 224...조절탱크, 226...역부유선광 조선기, 227...역부유선광 정선기, 228...여과기 공급조, 229...진공디스크 여과기, 230...보울밀, 232...혼합기, 284...농축기, 286...벨트여과기 프레스.2,22 crushing and initial grinding, 4,24 foam floating beneficiation, 6,28 dewatering, 8,30 slurry manufacturing, 10,32. Wastewater dewatering and purification, 26 reverse reverse mineralizer, 202 coal storage tank, 204 double crushers, 206,230 bowl mill, 208 hydrocyclone, 210,212,231 (Sieve bend), 214 ... overflow, 216 ... underflow, 218,221 ... ship, 219,222 ... choice, 220,223 ... , 224 control tanks, 226 ... reversed wire mineralizers, 227 ... reversed wire mineralizers, 228 ... filter feeders, 229 vacuum disc filters, 230 ... bottle mills, 232 ... mixer, 284 ... thickener, 286 ... belt filter press.

Claims (20)

원탄을 유리된 입상의 석탄분말 형태로 분쇄시키는 단계와, 상기의 입상석탄 분말에서 애쉬(ash)와 거친입자의 황서철광물을 제거시켜서 저함량의 애쉬와 순수한 유황석탄을 얻기 위하여 거품부유선광 공정에서 화학적인 처리 및 물을 첨가시키는 단계, 상기의 저함량의 애쉬석탄에서 황석철광물을 제거시켜서 최저함량의 애쉬와 최저함량의 황석철광 물 및 탈수된 석탄을 얻기 위하여 역부유선광 공정에서 화학적인 처리 및 물을 첨가시키는 단계 및 추출하고자 하는 크기를 가진 탈수된 석탄에서 석탄-물연료로서 사용되기에 적합한 슬러리를 제조하는 단계로 이루어진 원탄으로부터 석탄-물혼합 연료를 제조하는 방법.Grinding the raw coal into the form of free granular coal powder, and removing the ash and coarse grained yellow iron mineral from the granular coal powder to obtain low ash and pure sulfur coal. Chemical treatment and water addition, chemical treatment and water in reverse flotation process to remove pyrites from the low ash ash to obtain the lowest ash, the lowest pyrite and dehydrated coal. A process for producing a coal-water mixed fuel from raw coal, comprising the steps of adding and producing a slurry suitable for use as a coal-water fuel in dehydrated coal of the size to be extracted. 제1항에 잇어서, 분쇄단계는 제1파쇄단계와 초기 연삭단계를 포함하여서 되는 방법.The method according to claim 1, wherein the grinding step comprises a first grinding step and an initial grinding step. 제2항에 있어서, 분쇄단계는 원탄을 3/4인치 xo의 입상석탄분말로 파쇄시키는 과정과 상기 입상석탄 분말을 28메쉬(mesh) xo의 크기를 갖는 입상석탄분말로 초기 연삭시키는 단계를 포함하여서 되는 방법.The method of claim 2, wherein the pulverizing step includes grinding the raw coal into granular coal powder of 3/4 inch xo and initial grinding of the granular coal powder into granular coal powder having a size of 28 mesh xo. How by doing. 제3항에 있어서, 분쇄단계는 폐회로 습식보울밀 공정에서 석탄을 초기 연삭시켜서 입상물질로 만든 다음 이를 하이드로사이클로(hydro cyclone)을 이용하여 상류와 하류로 분류시키되, 상류는 거품부유선광 공정에 공급하고, 하류는 석탄자체의 특성에 따라 선택적으로 분리되어지는 시이브밴드(sieve bend)로 공급하여 통과물과 잔유물로 분리시켜서 잔유물은 다시 습식보올밀링 단계로 되돌려보내고 통과물은 폐석농축기로 공급시키는 단계를 포함하여서 되는 방법.The method of claim 3, wherein the crushing step is to initially grind the coal in a closed-loop wet bowl mill process to form a granular material, and then classify it into upstream and downstream using a hydrocyclone, and the upstream is supplied to a buoyancy flotation process. The downstream is fed to a sieve bend, which is selectively separated according to the characteristics of the coal itself, and separated into a pass-through and a residue. The residue is returned to the wet bowl milling stage and the pass-through is fed to the waste-rock concentrate. How to get by including steps. 제3항에 있어서, 분쇄단계는 석탄을 개회로 로드 및 공정에서 28메쉬 xo의 크기를 갖는 입상의 석탄 분말이 얻어지도록 하는 초기 연삭단계를 포함하여서 되는 방법.4. The method of claim 3, wherein the milling step comprises an initial grinding step of obtaining coal in the open circuit and obtaining granular coal powder having a size of 28 mesh xo. 제3항에 있어서, 분쇄단계는 애쉬와 황석철광이 적게 함유된 원탄을 사용할 경우에는 28메쉬 xo의 크기를 갖는 입상의 석탄 분말이 초기 분쇄 단계에서 탈수단계로 직접 공급되어지도록 하여서 되는 방법.4. The method of claim 3, wherein the grinding step is such that granular coal powders having a size of 28 mesh xo are fed directly from the initial grinding step to the dehydration step when using ash and low coal pyrite. 제1항에 있어서, 거품부유선광 공정은 거품부유선광 회로가 두 형태로 나란하게 분리되어 있어서 부유선광 공정을 석탄종류에 따라서 적어도 한번이상 실시할 수도 있고 아니면 조선기 부유선광단계, 제2정제부유선광단계 및 최종의 재정제부유선광 단계 등의 단계로 실시되어질 수 있도록 하며, 입상의 석탄분말이 거품부유선광 단계에 도달되기 전에 시이브벤드 공정에 먼저 공급시켜서 체분급에 의해 통과물과 잔유물로 분리시킨 다음, 서로 상이한 부유선광 공정에 트입시키도록 하여서 되는 방법.According to claim 1, the buoyant flotation process is a buoyant flotation circuit is divided into two forms side by side, the floating beneficiation process may be carried out at least one or more depending on the type of coal or shipbuilding flotation step, second refinery flotation Phase and the final refining flotation step, and the granulated coal powder is first fed into the sieve bend process before reaching the foam flotation step and separated into a pass-through and residue by sifting. And then into different flotation processes. 제1항에 있어서, 탈수단계는 애쉬와 황석철광의 함량을 최저로 하기 위하여 초기 석탄정 제조와 진공 디스크여과기를 사용하여서 되어지도록 하는 방법.The method of claim 1, wherein the dewatering step is carried out using an initial coal well preparation and a vacuum disk filter to minimize ash and pyrite content. 제8항에 있어서, 탈수단계는 탈수된 석탄분말을 분쇄시키기 위하여 고강도의 재연삭 보올밀을 사용하고, 입자크기를 최대로 조절하기 위하여 전동체분급을 실시하되 상기 보올밀로부터 얻어진 것을 회수하기 위하여 적어도 한번이상 혼합시켜서 슬러리를 제조하는 단계를 포함하여서 되는 방법.10. The method of claim 8, wherein the dewatering step uses a high-strength regrind bowl mill to crush the dehydrated coal powder, and performs rolling element classification to adjust the particle size to the maximum to recover what is obtained from the bowl mill. Mixing at least once to produce a slurry. 제1항에 있어서의 부유선광 공정과 석탄의 탈수공정으로부터 폐석이 얻어지되 이때 얻어지는 폐석은 재순환되는 물과 농축된 폐석 생성물을 생성물을 생성시키기 위해 농축기에다 폐석을 모으고 나서, 처리가능한 폐석생성물을 형성시키기 위해 농축된 생성물로 압축시키고 이때 생성된 물은 사용가능한 산업용수를 만들기 위해서 재순환 공급수로 처리하여서 되는 방법.The waste-rock is obtained from the flotation process of claim 1 and the dewatering process of coal, wherein the waste-rock is collected by collecting the waste-rock in a concentrator to produce a product of recycled water and concentrated waste-rock product, thereby forming a treatable waste-rock product. To a concentrated product for which the resulting water is treated with recycle feed water to make usable industrial water. 원탄으로부터 석탄-물 혼합연료를 제조하는 장치로서, 원탄을 파쇄시키는 쇄광기와 파쇄된 원탄을 연삭시키되 상기 쇄광기와 연접되어 설치된 초기연삭기, 파쇄되고 연삭된 원탄에서 애쉬의 함량을 낮추기 위하여 상기 연삭기와 연접되어 설치된 거품부유 선광수단, 저함량의 애쉬가 함유된 석탄을 다시 애쉬와 황석철광이 최저로 함유된 석탄으로 생성시키기 위하여 상기 거품부유선광 수단과 연접되어 설치된 역부유 선광수단, 애쉬와 황석철광이 최저로 함유된 석탄을 탈수시키기 위하여 상기 부우수단과 연접되어 설치된 탈수수단 및 탈수된 석탄을 석탄-물연료로서 적합한 형태인 슬러리를 제조하기 위하여 상기 수단과 연접되어 설치된 슬러리 형성수단으로 이루어진 석탄-물혼합 연료의 제조장치.An apparatus for producing coal-water mixed fuel from raw coal, comprising: an initial grinding machine installed to grind broken coal and crushed raw coal, and to lower ash content in crushed and ground coal; Bubble flotation means installed in contact with the reverse flotation means, ash and pyrite in combination with the buoyancy flotation means in order to generate coal containing ash with a low content of ash into coal containing the lowest ash and pyrite. Coal comprising a dewatering means installed in contact with said buoy means for dewatering the lowest contained coal and a slurry forming means installed in contact with said means for producing a slurry having a form suitable for dewatered coal as coal-water fuel. Apparatus for producing water mixed fuel. 제11항에 있어서, 탈수수단과 역부유 선광수단은 이 수단으로부터 방출되어지는 폐석을 회수하여 처리하도록 하는 폐석 처분수단 및 물처리 수단과 연접되어 설치되어진 장치.12. The apparatus according to claim 11, wherein the dewatering means and the reverse flotation beneficiation means are provided in connection with the waste-rock disposal means and the water treatment means for recovering and treating the waste-rock discharged from the means. 제11항에 있어서, 초기 연삭기는 폐회로 습식 보올밀로 된 장치.The apparatus of claim 11, wherein the initial grinding machine is a closed loop wet bowl mill. 제11항에 있어서, 초기 연삭기는 개회로 로오드밀로 된 장치.12. The apparatus of claim 11, wherein the initial grinding machine is a open circuit rod mill. 제11항에 있어서, 거품부유 선광수단은 석탄종류에 따라 적어도 하나 또는 그 이상의 거품부유 선광단계가 연속적으로 연결되어지도록 되어진 장치.12. The apparatus according to claim 11, wherein the foam floating beneficiation means is configured such that at least one or more foam floating beneficiation steps are continuously connected according to the type of coal. 제15항에 있어서, 거품부유 선광수단은 시이브벤드를 포함하고 있되, 체분리된 통과물을 회수하는 적어도 하나의 거품부유 선광단계가 연속적으로 연속적으로 연접되어 있고, 체분리된 잔유물을 회수하는 적어도 하나 이상의 거품부유 선광단계가 연속적으로 연접되어지도록 되어진 장치.The method of claim 15, wherein the buoyant flotation means comprises a sieve bend, at least one buoyant flotation step for recovering the sifted through-flow is continuously connected in series, and recovering the sifted residue At least one buoyant flotation step is adapted to be connected in series. 제15항에 있어서, 거품 부유수단은 그 출력부에 탈수수단이 연접되어진 장치.16. The apparatus according to claim 15, wherein the foam floating means is connected to the dewatering means at its output part. 제11항에 있어서, 탈수수단은 석탄정제조와 진동디스크 여과기 장치로 이루어진 장치.12. The apparatus of claim 11, wherein the dewatering means comprises a coal refinery and a vibrating disk filter device. 제11항에 있어서, 슬러리 형성수단은 보올밀, 체분급기 및 적어도 하나 이상의 연속적인 혼합단계로 이루어진 장치.12. The apparatus of claim 11 wherein the slurry forming means comprises a bowl mill, a sieve classifier and at least one continuous mixing step. 제11항에 있어서, 탈수수단은 석탄정제조와 진공디스크 여과기로 구성되어 있으되 상기 진공디스크 여과기와 부유선광 수단으로부터 배출되어지는 폐석을 회수하고 처리하기 위하여 폐석처리기가 상기 진공디스크 여과기 및 부유 선광수단과 연접되어 설치되어진 장치.12. The method of claim 11, wherein the dewatering means comprises a coal refining process and a vacuum disk filter, wherein the waste-rock processor is used to recover and process the waste-rock discharged from the vacuum disk filter and the flotation means. Installed in conjunction with the device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860003649A 1985-05-10 1986-05-10 Coal-water fuel production KR930011073B1 (en)

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US73255085A 1985-05-10 1985-05-10
US732,550 1985-05-10
US06732550 1985-05-10

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KR860009106A true KR860009106A (en) 1986-12-20
KR930011073B1 KR930011073B1 (en) 1993-11-20

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JPH0799885B2 (en) * 1986-03-10 1995-10-25 日産自動車株式会社 Variable speed controller for synchronous motor
JPH04220494A (en) * 1990-12-21 1992-08-11 Nippon Komu Kk Manufacture of highly concentrated coal/water slurry
JP2007222800A (en) * 2006-02-24 2007-09-06 Taiheiyo Cement Corp Apparatus and method for removing unburnt carbon in fly ash
ITMI20071593A1 (en) * 2007-08-02 2009-02-03 Bruno Dalmino METHOD OF PROCESSING A CARBON WITH HIGH CONTENT OF IMPURITIES FOR OBTAINING A PURIFIED COMBUSTIBLE MIXTURE TO REPLACE THE HEAVY OILS IN THE CURRENT THERMAL CENTERS
CN101559404B (en) * 2009-06-05 2013-04-17 唐山国华科技国际工程有限公司 Middlings crushing and sorting technique
CN101734809B (en) * 2009-12-18 2012-02-01 吴爱华 Efficient tailing dry-type emission technology with low energy consumption
CN103952206A (en) * 2014-05-14 2014-07-30 许宁 Ash fall desulfurization method before combustion of solid fuel
CN105665124B (en) * 2016-04-13 2019-05-28 中国矿业大学 High intergrowth high ash sulphur coal sorts slurrying integral process
CN107267236A (en) * 2017-06-27 2017-10-20 深圳瑞科天启科技有限公司 The technique and the coal gasifying process using the technique of a kind of utilization coal or gangue production high heating value water-coal-slurry
CN108001744B (en) * 2017-12-21 2024-04-30 山东金洋药业有限公司 Automatic collecting, crushing and packaging system and method for dextran biomacromolecule finished products

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US4416666A (en) * 1979-10-26 1983-11-22 Alfred University Research Foundation Inc. Coal-water slurry and method for its preparation
JPS5880388A (en) * 1981-11-09 1983-05-14 Electric Power Dev Co Ltd Production of highly concentrated pulverized coal slurry
JPS5880389A (en) * 1981-11-09 1983-05-14 Electric Power Dev Co Ltd Production of highly concentrated coal/water slurry
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IN165645B (en) 1989-12-02
CA1297674C (en) 1992-03-24
ZA863374B (en) 1987-05-27
JPH0412911B2 (en) 1992-03-06
ES8705912A1 (en) 1987-05-16
CN86103216A (en) 1986-12-17
KR930011073B1 (en) 1993-11-20
ES554805A0 (en) 1987-05-16
BR8602037A (en) 1987-01-06
IL78789A (en) 1990-04-29
JPS61261395A (en) 1986-11-19
EP0201338A2 (en) 1986-11-12
IL78789A0 (en) 1986-08-31
ES8800076A1 (en) 1987-10-16
AU5717786A (en) 1986-11-13
ES557422A0 (en) 1987-10-16
EP0201338A3 (en) 1987-11-11

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