WO2014051180A1 - 팜 잔사유를 이용한 석탄의 개질방법 - Google Patents
팜 잔사유를 이용한 석탄의 개질방법 Download PDFInfo
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- WO2014051180A1 WO2014051180A1 PCT/KR2012/007904 KR2012007904W WO2014051180A1 WO 2014051180 A1 WO2014051180 A1 WO 2014051180A1 KR 2012007904 W KR2012007904 W KR 2012007904W WO 2014051180 A1 WO2014051180 A1 WO 2014051180A1
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- WIPO (PCT)
- Prior art keywords
- coal
- palm
- palm residue
- reforming
- residue oil
- Prior art date
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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
- C10L9/00—Treating solid fuels to improve their combustion
- C10L9/10—Treating solid fuels to improve their combustion by using additives
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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
- C10L5/22—Methods of applying the binder to the other compounding ingredients; Apparatus therefor
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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
- C10L10/00—Use of additives to fuels or fires for particular purposes
-
- 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
-
- 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
- C10L5/04—Raw material of mineral origin to be used; Pretreatment thereof
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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
-
- 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
- C10L5/34—Other details of the shaped fuels, e.g. briquettes
- C10L5/36—Shape
- C10L5/361—Briquettes
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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
- C10L2290/06—Heat exchange, direct or indirect
-
- 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
- C10L2290/20—Coating of a fuel as a whole or of a fuel component
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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
-
- 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
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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
- C10L5/26—After-treatment of the shaped fuels, e.g. briquettes
- C10L5/30—Cooling the shaped fuels, e.g. briquettes
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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
Definitions
- the present invention relates to a method for reforming coal, and more specifically, by using a solid palm residue in phase silver to prevent water resorption and to increase the calorific value to economically reform the coal to high quality.
- a method for reforming low grade coal is a method for reforming low grade coal.
- Coal is divided into peat, brown coal, lignite, sub-bituminous coal, bituminous coal, anthracite grades, and bituminous coal is divided into low volatile, heavy volatile and high volatile bituminous coal.
- anthracite is divided into semi-anthracite, anthracite, Meta-anthracite and non-anthracite anthracite, among which brown coal to sub-bituminous coal is classified as low grade coal tin (LRC) and bituminous coal to high grade coal (HRC).
- LRC low grade coal tin
- HRC bituminous coal to high grade coal
- High-grade coal such as anti-anthracite and bituminous coal
- bituminous and semi-anthracite coals are expensive and have low reserves, and research has been conducted since the 1980s to utilize high-quality low rank coal (LRC), which is relatively rich in reserves and low in price.
- LRC high-quality low rank coal
- lignite one of the lower grade coals, is cheaper than bituminous coal, but has a low moisture content of 30 to 703 ⁇ 4 »and a low calorific value of 2500 to 4000 kcal / kg. It is a state.
- low grade coal has a high water content and a large weight and volume, which is not advantageous in logistics, and there is a problem that spontaneous ignition occurs easily due to volatile matter contained in coal, even though water is offered. Therefore, from the point of view of economics and stability of logistics, the method of reducing high grade coal and suppressing spontaneous ignition Development is required.
- Japanese Patent Laid-Open Publication No. 1995-233383 mixes a mixed oil including heavy oil and solvent oil with porous carbon, heats the raw material slurry and advances dehydration of the porous carbon.
- a method for producing a solid fuel is introduced, comprising a mixture of heavy oils containing heavy oil and solvent oil in the micropores, followed by solid-liquid separation of the slurry.
- the present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to provide an economical low grade coal reforming method by coating heavy oil directly on coal without using solvent oil.
- the present inventors can mix and stabilize palm residues directly to pulverized coal particles, thereby making it possible to achieve high quality of low grade coal without using solvent oil.
- the present invention was completed by finding out.
- Palm residue oil is suitable for coal coating because it is a solid liquid in phase silver, but becomes a thin liquid in the silver road where coal is dried, and evenly coats the coal.
- the present invention (a) pulverizing coal; (b) palm residue oil in crushed stone 3 ⁇ 4
- the present invention also provides a coal and reforming method using palm residue oil, in which the average particle size of the coal particles subjected to the pulverization step is lower than).
- the present invention also, in the step of homogeneously mixing the palm residue oil in the pulverized coal, the palm residue oil is mixed with an amount corresponding to 0.5 to 30 weight 3 ⁇ 4 of the coal, using the palm residue oil Provides a method for reforming coal.
- the present invention also provides a method for reforming coal using palm residues, wherein the step of homogeneously mixing palm residues with the pulverized coal cuts and mixes the palm residues in a sliced form.
- the present invention also provides a method for reforming coal using palm residue oil, wherein the homogeneously mixing palm residue oil with the pulverized coal melts and mixes the palm residue oil.
- the drying-stabilizing step is carried out in an indirect heat exchanger type drying-stabilizer, the temperature inside the drying-stabilizer is 100 to 115l, the drying-stabilizer so that a hybridization can occur It provides a method of reforming coal using palm residue oil, the coal movement inside and has a residence time of 20 to 70 minutes.
- the moisture of the dry coal, which has been subjected to the dry-stabilization step is 5 to 5.
- the present invention also provides a method for reforming coal using palm residue, further comprising the step of recovering and reusing the waste heat of the steam generated in the drying-stabilization step.
- the present invention also provides a method for reforming coal using palm residues, wherein the reusing is reused for preheating the transport gas.
- the present invention also provides a method for reforming coal using palm residue, wherein the reuse step reuses the palm residue before melting with coal.
- the reforming method of low grade coal in which palm residue oil of the present invention is directly mixed with coal not only makes the reforming process low cost and high efficiency by using solvent oil, but also allows the palm residue oil having high calorific value to be coated on the coal surface. This increases the average calorific value of the coal and minimizes the chance of moisture re-adsorption on the coal and spontaneous combustion.
- La and lb are conceptual diagrams of a process for reforming a coal of the present invention.
- 5 is a process chart for recovering the waste heat of the steam generated in the drying-stabilizer and used for melting the palm residue oil.
- FIG. 6 is a result of measuring the viscosity according to the temperature of PFAD.
- FIG. 7A shows the initial state of contact angle measurement for water droplets of dry coal containing 10 wt. 3 moisture.
- FIG. 7B shows a state after 10 seconds of contact angle measurement with respect to water droplets of dried coal containing 10% by weight of water.
- FIG. 8A shows the initial state of contact angle measurement for water droplets when 5% PFAD is mixed with dry coal containing 10 wt.
- FIG. 8B shows a state after 10 seconds of contact angle measurement with respect to water droplets when 5% PFAD is mixed with dry coal containing 10% by weight of water.
- 9A is an initial state of measuring contact angle with respect to water droplets of the reformed coal of the present invention.
- FIG. 9B shows a state after 10 seconds of measurement of contact angle with respect to water droplets of the reformed coal of the present invention.
- the raw coal is pulverized in the pulverizer 1.
- a crusher (1) of the raw coal to be pulverized in the present invention a jaw crusher, a pin mill, a hammer mill and a mill may be used. have.
- the average particle size of the coal pulverized in the coal crushing step of the present invention is preferably 10 kPa or less.
- the waste residue in the solid state (high viscosity liquid) is mixed homogeneously with the pulverized coal as it is in the solid state (FIGS. 3 and 4), or the waste heat discharged from the dry-stabilizer (6).
- Steam / Air is used to heat the palm residue and convert it to a liquid ( Figure 5) Is a step.
- the two methods can be used separately or together. This corresponds to the mixing step shown in FIG.
- Palm residue oil mixed in one embodiment of the present invention is an amount corresponding to 0.5 to 30% by weight of coal. Palm residues are the residues after palm oil production in Indonesia, Malaysia, etc. Palm fatty acid dist il late (PFAD), palm sludge oil (PSO), etc., which are in the solid phase and higher than 9,000 kcal / kg It has a calorific value.
- the palm residue oil is not coated on the surface of the coal, but is mixed with each other.
- the palm residue oil is cut into slices using a cutting machine (2). Combined palm remnants and coal blended are transferred to silos (4).
- Coal mixed with the palm residue in the silo 4 is transferred to a dry-stabilizer 6 via a screw feeder 5.
- the palm residue oil buried on the coal surface melts to coat the surface, and the water of the coal evaporates. Palm residue oil adhering to the coal surface in the mixing step melts as the temperature rises and diffuses throughout the coal surface (FIG. 2 melting step).
- the moisture in the pores in the coal is evaporated (FIG. 2 evaporation step) to be in a vacuum state and the palm residue oil diffused on the surface penetrates into the pores (FIG. 2 infiltration step).
- the drying-stabilizer is an indirect heat exchange type, has a sufficient residence time of 20 to 70 minutes, and is suitable for a form in which a mixed effect may occur due to the movement of coal in the interior.
- the drying-stabilizer is equipped with a drive motor 7 to enable the movement of coal therein.
- the drying-stabilizer may be evaporated and dried by heating to about 120 to 180 "C using a steam tube dryer or a rotary disk dryer.
- the drying-stabilizer may include a steam supply for heating and a spent water discharge device after use of the supplied steam
- the drying-stabilizer 6 may use conventional transport gases such as nitrogen and flue gas, FDOForced Draft Fan (8) is used to blow up the carrier gas.
- the internal stabilizer of the dry-stabilizer rests at about 100 to 115 * C and the rust of palm residues Since the melting point is 40 to 60'C, melting of palm residue oil and drying of coal moisture proceed simultaneously. Since the coal surface coating of palm residue oil is sufficiently saturated within 20 minutes, the dry-stabilizer residence time can be adjusted to about 20 to 70 minutes depending on the moisture content of the coal. The moisture of the dry coal is 8 to 15% by weight.
- Coal discharged from the dry-stabilizer is about 100 tons, so there is a possibility of spontaneous ignition if left outside. Therefore, the present invention further performs the step of concealing the dry-stabilized coal using the cooler 11 after the performance of this step. Coal remains heated until the previous stage so that palm residue remains liquid coated on the surface of the coal, but as it cools to room temperature, the palm residue coated on coal is transformed back into solid phase. Figure 2 solidification step) to maximize the stabilization effect to prevent moisture re-adhesion and reduce the spontaneous ignition tendency.
- a conventional apparatus used for the angle of cooling such as a cooler 11, may be used.
- the exhaust gas discharged from the drying-stabilizer is sent to a cyclone (9) to collect the pulverized coal contained in the exhaust gas and supply it to the molding machine (12).
- the pulverized coal exhaust gas is discharged using an ID (Induced Draft) fan (10).
- the final dried and discharged coal is molded using a molding machine (12) for easy long-term transfer.
- the water remaining in the coal and the palm residue serves as a binder of the molding
- palm palm oil coated on the surface of the coal serves to prevent the reabsorption of water and to increase the calorific value.
- the molding process is carried out by pressing coal, and in one embodiment of the present invention to produce a briquette with the forming agricultural crystals.
- each step and forming step may be changed.
- the waste heat of the steam generated in the drying-stabilizer 6 is recovered.
- the heat recovered at this stage is used for preheating of the transport gas by filtering the pulverized coal from the cyclone (9 :) and then passing through the heat exchanger (21) to the drying-stabilizer as shown in FIG.
- After filtering the pulverized coal from the cyclone (9) Go to heat (31) and use it to melt palm residues.
- the liquid palm residue may be directly injected into the mixer to increase the homogeneity of coal and palm residue, and in this case, the amount of palm residue may be reduced.
- a pump 32 and a spray nozzle 33 are used for the palm residue injection.
- the Indonesian sub-bituminous coal was pulverized from 0.5 to 3 mW, and 50 g of PFAD was added to 1 kg of coal.
- the air was blown at 51 / min by the carrier gas, and the kiln silver was set at 160 ° C to maintain the internal temperature of the kiln at 105 to 110'C.
- pellets were prepared by maintaining the modified coal 3 ⁇ 4 at 10 l for 1 minute using Atlas 15T manual hydraulic press (Specac Ltd., UK).
- Viscosity measurement instrument was DV-III UltraCBrookfield Engineering, USA). Silver also exhibits a very low viscosity of about 15 cP (centi-Poise) at 50 "C, and the viscosity decreases with increasing silver. The viscosity is very low compared to other heavy oils, so it is easily coated on coal surfaces when melted in high silver. There is an advantage that can be.
- Table 1 shows the physical properties of the raw coal and the modified coal. Industrial analysis and calorific value are based on the test samples. The analyzer names are as follows.
- the calorific value of the reformed coal through the embodiment of the present invention was found to increase to 5,862 kcal / kg compared to 4,370 kcal / kg when raw coal.
- pellets were prepared after drying coal with 10 wt. As a result of measuring the amount of breakdown by applying pressure to the pellets, dry coal and modified coal
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/375,301 US9879194B2 (en) | 2012-09-27 | 2012-09-28 | Method for reforming coal using palm residue |
CN201280068610.4A CN104105784B (zh) | 2012-09-27 | 2012-09-28 | 利用棕榈残渣油的煤炭的改质方法 |
AU2012390659A AU2012390659B2 (en) | 2012-09-27 | 2012-09-28 | Method for reforming coal using palm residue |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020120107581A KR101209465B1 (ko) | 2012-09-27 | 2012-09-27 | 팜 잔사유를 이용한 석탄의 개질방법 |
KR10-2012-0107581 | 2012-09-27 |
Publications (1)
Publication Number | Publication Date |
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WO2014051180A1 true WO2014051180A1 (ko) | 2014-04-03 |
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ID=47907103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2012/007904 WO2014051180A1 (ko) | 2012-09-27 | 2012-09-28 | 팜 잔사유를 이용한 석탄의 개질방법 |
Country Status (5)
Country | Link |
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US (1) | US9879194B2 (ko) |
KR (1) | KR101209465B1 (ko) |
CN (1) | CN104105784B (ko) |
AU (1) | AU2012390659B2 (ko) |
WO (1) | WO2014051180A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10273427B2 (en) * | 2015-08-13 | 2019-04-30 | Standard Brands (Uk) Limited | Firelighter with palm fatty acid distillate |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10519390B2 (en) * | 2013-05-30 | 2019-12-31 | Clean Coal Technologies, Inc. | Treatment of coal |
KR101461012B1 (ko) | 2013-09-03 | 2014-11-12 | 한국에너지기술연구원 | 폐열 회수 석탄 개질 방법 |
KR101543515B1 (ko) * | 2013-11-12 | 2015-08-11 | 한국에너지기술연구원 | 반응성이 증가된 무회분 복합탄의 제조방법, 이에 의한 무회분 복합탄 |
CN104629850B (zh) * | 2015-02-06 | 2017-04-05 | 江苏大学 | 一种生物质发电装置及方法 |
KR101742564B1 (ko) * | 2015-11-30 | 2017-06-02 | 한국에너지기술연구원 | 석탄의 분쇄, 건조 및 코팅 용 융합 장치, 이를 이용한 석탄 제조방법, 및 이를 이용한 석탄 슬러리 제조방법 |
MX2019001020A (es) * | 2017-05-26 | 2019-06-10 | Novelis Inc | Sistema y metodo para hacer briquetas de polvo del ciclon a partir de sistemas de decapado. |
CN111534352A (zh) * | 2020-05-14 | 2020-08-14 | 太原理工大学 | 一种废油脂煮煤提质的研究方法 |
CN111518599B (zh) * | 2020-05-14 | 2021-05-28 | 太原理工大学 | 一种废油脂煮煤优质化加工的装置及工艺 |
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JPH07233380A (ja) * | 1993-12-27 | 1995-09-05 | Nkk Corp | 石炭の処理方法 |
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US20140366431A1 (en) | 2014-12-18 |
KR101209465B1 (ko) | 2012-12-07 |
AU2012390659B2 (en) | 2015-07-02 |
CN104105784B (zh) | 2016-02-17 |
AU2012390659A1 (en) | 2014-08-07 |
US9879194B2 (en) | 2018-01-30 |
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