KR20140129564A - Method for producing coal briquette using hydrogel binder - Google Patents
Method for producing coal briquette using hydrogel binder Download PDFInfo
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- KR20140129564A KR20140129564A KR20130048001A KR20130048001A KR20140129564A KR 20140129564 A KR20140129564 A KR 20140129564A KR 20130048001 A KR20130048001 A KR 20130048001A KR 20130048001 A KR20130048001 A KR 20130048001A KR 20140129564 A KR20140129564 A KR 20140129564A
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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
- C10L5/406—Solid fuels essentially based on materials of non-mineral origin on plastic
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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
- C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
- C10L5/06—Methods of shaping, e.g. pelletizing or briquetting
- C10L5/10—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders
- C10L5/14—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders with organic binders
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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
- C10L2290/08—Drying or removing water
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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
- C10L2290/24—Mixing, stirring of fuel components
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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
- C10L2290/32—Molding or moulds
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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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- Geochemistry & Mineralogy (AREA)
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- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
Description
본 발명은 성형탄의 제조 방법에 관한 것으로, 더욱 상세하게는 탈휘발된 촤에 인공 휘발분 및 바인더 역할을 하는 PVA/글리세린 하이드로겔을 혼합하여 성형탄을 제조하는 하이드로겔 바인더를 이용한 성형탄 제조 방법에 관한 것이다.More particularly, the present invention relates to a method for producing a molded coal using a hydrogel binder for blending PVA / glycerin hydrogel as a binder and artificial volatile components in a devolatilized oven .
석탄은 전체 화석연료 중 약 60%를 차지하며, 갈탄이나 아역청탄과 같이 수분함량이 상대적으로 높은 저급탄의 매장량은 전체 석탄 매장량의 절반에 이른다.Coal accounts for about 60% of the total fossil fuels, and low coal reserves with relatively high water content such as lignite and sub-bituminous coal account for half of the total coal reserves.
이러한 저급탄을 열분해하여 탈휘발을 통한 석탄가스가 발생하며, 부산물로 얻어지는 촤는 성형을 통해 무연연료로 제조된다.The low-grade coal is pyrolyzed to generate coal gas through devolatilization, and the gypsum obtained as a by-product is molded into a lead-free fuel.
그런데 휘발분이 제거된 촤는 성형했을 때 강도를 유지할 수 없어 바인더(binder)를 필요로 하며 현재 사용되는 무유기 바인더로는 점토, 전분, 당밀, 흑액 등이 있다. 이 중 점토는 성형탄의 발열량을 크게 감소시키는 문제가 있고, 전분, 당밀 등은 식량으로서 바인더로 사용하기에 윤리적 문제점을 안고 있으며, 흑액은 오염물질을 다량 함유하고 있어 사용상의 문제점이 따른다. However, since the volatiles-free 촤 can not maintain its strength when it is molded, it needs a binder. Currently, the non-organic binders used are clay, starch, molasses, and black liquor. Among them, clay has a problem of significantly reducing the calorific value of the briquette, and starch, molasses and the like have ethical problems in using as a food as a binder, and the black liquor contains a large amount of contaminants, resulting in problems in use.
또한 촤는 그 성분이 대부분 탄소로 이루어져 착화하는데 많은 열을 필요로 하는 문제가 있다.In addition, there is a problem that the component is mostly composed of carbon, which requires a lot of heat for ignition.
상기와 같은 문제점을 해결하기 위한 본 발명의 목적은, 탈휘발된 촤에 인공 휘발분 및 바인더 역할을 하는 PVA/글리세린 하이드로겔을 혼합하여 높은 성형 강도를 유지시킴과 동시에 착화온도가 낮은 성형탄을 제조할 수 있는, 하이드로겔 바인더를 이용한 성형탄 제조 방법을 제공하기 위한 것이다.DISCLOSURE Technical Problem In order to solve the above problems, it is an object of the present invention to provide a PVA / glycerin hydrogel which acts as a binder and artificial volatile components in a devolatilized oven to maintain a high molding strength, The present invention provides a method for producing a molded carbon using a hydrogel binder.
상기와 같은 목적을 달성하기 위한 본 발명의 하이드로겔 바인더를 이용한 성형탄 제조 방법은, PVA(PolyVinyl Alcohol)와 물을 75도 내지 85도의 온도에서 혼합하는 단계, 상기 PVA와 물의 혼합물에 글리세린을 주입하여 하이드로겔을 생성하는 단계, 상기 하이드로겔과 촤를 혼합하여 성형하는 단계, 및 상기 성형물을 50도 내지 90도의 온도 범위에서 20 내지 28시간 건조, 또는 200도 내지 250도의 온도 범위에서 1시간 내지 3시간 건조하는 단계를 포함하는 것을 특징으로 한다.In order to accomplish the above object, the present invention provides a method for producing a molded coal using a hydrogel binder, comprising the steps of mixing PVA (polyvinyl alcohol) and water at a temperature of 75 ° C to 85 ° C, injecting glycerin into the mixture of PVA and water Forming a hydrogel by mixing and mixing the hydrogel and the foil; and drying the molded article at a temperature range of 50 to 90 degrees for 20 to 28 hours, or a temperature of 200 to 250 degrees for 1 to 3 Followed by time drying.
본 발명의 하이드로겔 바인더를 이용한 성형탄 제조 방법에 따르면, 점착성의 PVA/글리세린 하이드로겔을 촤의 바인더로 혼합하여 성형탄을 성형함으로써 성형탄의 성형 강도를 개선할 수 있다.According to the method for producing a molded coal using the hydrogel binder of the present invention, the molding strength of the briquette can be improved by mixing the viscous PVA / glycerin hydrogel with a binder to form a molded blanket.
또한 인공 휘발분인 PVA/글리세린 하이드로겔의 첨가에 따라 성형탄의 착화 온도가 낮아져, 성형탄의 착화를 위한 에너지를 절약할 수 있다.In addition, the addition of PVA / glycerin hydrogel, which is an artificial volatile component, lowers the ignition temperature of the briquetted coal, thus saving energy for ignition of the briquette.
도 1은 본 발명의 일 실시예에 따른 성형탄의 제조 과정을 나타낸 흐름도이다.FIG. 1 is a flowchart illustrating a manufacturing process of a briquette according to an embodiment of the present invention.
하기의 설명에서는 본 발명의 실시예를 이해하는데 필요한 부분만이 설명되며, 그 이외 부분의 설명은 본 발명의 요지를 흩트리지 않도록 생략될 것이라는 것을 유의하여야 한다.In the following description, only parts necessary for understanding the embodiments of the present invention will be described, and the description of other parts will be omitted so as not to obscure the gist of the present invention.
이하에서 설명되는 본 명세서 및 청구범위에 사용된 용어나 단어는 통상적이거나 사전적인 의미로 한정해서 해석되어서는 아니 되며, 발명자는 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념으로 적절하게 정의할 수 있다는 원칙에 입각하여 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다. 따라서 본 명세서에 기재된 실시예와 도면에 도시된 구성은 본 발명의 바람직한 실시예에 불과할 뿐이고, 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 출원시점에 있어서 이들을 대체할 수 있는 다양한 균등물과 변형예들이 있을 수 있음을 이해하여야 한다.The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and the inventor is not limited to the meaning of the terms in order to describe his invention in the best way. It should be interpreted as meaning and concept consistent with the technical idea of the present invention. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely preferred embodiments of the present invention, and are not intended to represent all of the technical ideas of the present invention, so that various equivalents And variations are possible.
본 발명은 석탄의 열분해 부산물인 촤에 점착성의 PVA/글리세린 하이드로겔을 혼합하여 성형탄을 제고하는 기술과 관련한 것이다. 이하, 첨부된 도면을 참조하여 본 발명의 실시예를 보다 상세하게 설명하기로 한다.The present invention relates to a technique for enhancing a molded coal by mixing viscous PVA / glycerin hydrogel with coal, which is a by-product of thermal decomposition of coal. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 1은 본 발명의 일 실시예에 따른 석탄의 제조 과정을 나타낸 흐름도이다.1 is a flowchart illustrating a process for producing coal according to an embodiment of the present invention.
도 1을 참조하면, 본 실시예에서는 PVA(PolyVinyl Alcohol)와 물을 75도 내지 85도의 온도에서 혼합한다.Referring to FIG. 1, in this embodiment, PVA (polyvinyl alcohol) and water are mixed at a temperature of 75 to 85 degrees.
이때, PVA와 물은 대략 80도의 온도에서 혼합하는 것이 바람직하다.At this time, the PVA and water are preferably mixed at a temperature of about 80 degrees.
이후 PVA와 물의 혼합물에 글리세린을 주입하며, 이에 따라 PVA와 글리세린이 혼합된 하이드로겔(hydrogel)이 생성된다.Thereafter, glycerin is injected into the mixture of PVA and water, thereby producing a hydrogel mixed with PVA and glycerin.
그리고 PVA와 글리세린의 하이드로겔을 촤와 혼합하여 성형한다.Then, the hydrogel of PVA and glycerin is mixed with the powder and molded.
이때, 점착성의 PVA/글리세린 하이드로겔이 촤의 바인더로 혼합됨으로써, 성형탄의 성형 강도를 개선할 수 있다.At this time, by mixing the viscous PVA / glycerin hydrogel with a binder, it is possible to improve the molding strength of the shaped coal.
이후, 성형탄을 이송 단계에서 자연건조 시키거나 50도 내지 90도의 온도 범위에서 20 내지 28시간 건조, 또는 200도 내지 250도의 온도 범위에서 1시간 내지 3시간 건조한다.Thereafter, the briquettes are naturally dried in the conveying step or dried in the temperature range of 50 to 90 degrees for 20 to 28 hours, or in the temperature range of 200 to 250 degrees for 1 to 3 hours.
본 실시예에서는 인공 휘발분인 PVA/글리세린 하이드로겔의 첨가에 따라 성형탄의 착화 온도가 낮아져, 성형탄의 착화를 위한 에너지를 절약할 수 있다.In the present embodiment, the addition of PVA / glycerin hydrogel, which is an artificial volatile component, lowers the ignition temperature of the briquetted fuel, thereby saving energy for ignition of the briquette.
이때, 성형탄 중 글리세린의 함량은 10wt% 미만이고, PVA는 경제성 제고 측면에서 1wt% 미만임이 바람직하다.At this time, the content of glycerin in the briquettes is preferably less than 10 wt%, and the PVA is preferably less than 1 wt% from the viewpoint of improving economy.
본 발명의 이러한 기술적 특징은 저급탄을 탈휘발하여 얻어지는 촤와, PVA 등의 수용성 고분자와 글리세린을 혼합한 하이드로겔을 배합하여 성형연료를 제조함으로서 강도를 확보하고, 제품의 발열량을 높임과 동시에 인공휘발분을 첨가해 줌으로서 착화를 용이하게 하여 에너지 효율을 극대화 할 수 있다.This technical feature of the present invention is that a molded fuel is produced by mixing a water-soluble polymer such as PVA and a hydrogel mixed with glycerin, which is obtained by devolatilizing low-grade carbon and securing the strength thereof, By adding volatile matter, ignition can be facilitated and energy efficiency can be maximized.
한편, 본 명세서와 도면에 개시된 실시예들은 이해를 돕기 위해 특정 예를 제시한 것에 지나지 않으며, 본 발명의 범위를 한정하고자 하는 것은 아니다. 여기에 개시된 실시예들 이외에도 본 발명의 기술적 사상에 바탕을 둔 다른 변형예들이 실시 가능하다는 것은, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게는 자명한 것이다. 또한, 본 명세서와 도면에서 특정 용어들이 사용되었으나, 이는 단지 본 발명의 기술 내용을 쉽게 설명하고 발명의 이해를 돕기 위한 일반적인 의미에서 사용된 것이지, 본 발명의 범위를 한정하고자 하는 것은 아니다.It should be noted that the embodiments disclosed in the present specification and drawings are only illustrative of specific examples for the purpose of understanding, and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein. Furthermore, although specific terms are used in this specification and the drawings, they are used in a generic sense only to facilitate the description of the invention and to facilitate understanding of the invention, and are not intended to limit the scope of the invention.
Claims (1)
상기 PVA와 물의 혼합물에 글리세린을 주입하여 하이드로겔을 생성하는 단계;
상기 하이드로겔과 촤를 혼합하여 성형하는 단계;
상기 성형물을 50도 내지 90도의 온도 범위에서 20 내지 28시간 건조, 또는 200도 내지 250도의 온도 범위에서 1시간 내지 3시간 건조하는 단계;
를 포함하는 것을 특징으로 하는 하이드로겔 바인더를 이용한 성형탄 제조 방법.Mixing water with polyvinyl alcohol (PVA) at a temperature of 75 to 85 degrees;
Injecting glycerin into the mixture of PVA and water to form a hydrogel;
Mixing and mixing the hydrogel and the foil;
Drying the molded product at a temperature range of 50 to 90 degrees for 20 to 28 hours or a temperature range of 200 to 250 for 1 to 3 hours;
Wherein the method comprises the steps of:
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105820855A (en) * | 2016-03-30 | 2016-08-03 | 天津北方宇良科技有限公司 | Dry powder composite type coal caking agent and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105820855A (en) * | 2016-03-30 | 2016-08-03 | 天津北方宇良科技有限公司 | Dry powder composite type coal caking agent and preparation method thereof |
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