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WO2013066492A2 - Traitement du charbon - Google Patents

Traitement du charbon Download PDF

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Publication number
WO2013066492A2
WO2013066492A2 PCT/US2012/054160 US2012054160W WO2013066492A2 WO 2013066492 A2 WO2013066492 A2 WO 2013066492A2 US 2012054160 W US2012054160 W US 2012054160W WO 2013066492 A2 WO2013066492 A2 WO 2013066492A2
Authority
WO
WIPO (PCT)
Prior art keywords
coal
demoisturized
feeding
devolatilized
volatile material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2012/054160
Other languages
English (en)
Other versions
WO2013066492A3 (fr
WO2013066492A9 (fr
Inventor
Ignacio PONCE DE LEON
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Clean Coal Technologies Inc
Original Assignee
Clean Coal Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to EP12845210.9A priority Critical patent/EP2753678A4/fr
Priority to US14/343,568 priority patent/US20150166917A1/en
Priority to CA2848068A priority patent/CA2848068C/fr
Priority to HK15100135.9A priority patent/HK1199737A1/xx
Priority to PH1/2014/500512A priority patent/PH12014500512A1/en
Priority to JP2014529896A priority patent/JP6256919B2/ja
Priority to KR1020147008281A priority patent/KR101966481B1/ko
Priority to MX2014002717A priority patent/MX359966B/es
Priority to AU2012333101A priority patent/AU2012333101B2/en
Priority to EA201490565A priority patent/EA027270B1/ru
Application filed by Clean Coal Technologies Inc filed Critical Clean Coal Technologies Inc
Publication of WO2013066492A2 publication Critical patent/WO2013066492A2/fr
Publication of WO2013066492A3 publication Critical patent/WO2013066492A3/fr
Publication of WO2013066492A9 publication Critical patent/WO2013066492A9/fr
Anticipated expiration legal-status Critical
Priority to ZA2014/02154A priority patent/ZA201402154B/en
Ceased legal-status Critical Current

Links

Classifications

    • 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • 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
    • C10L5/32—Coating
    • 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • 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
    • C10L5/08—Methods of shaping, e.g. pelletizing or briquetting without the aid of extraneous 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L9/00—Treating solid fuels to improve their combustion
    • C10L9/08—Treating solid fuels to improve their combustion by heat treatments, e.g. calcining
    • 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L9/00—Treating solid fuels to improve their combustion
    • C10L9/10—Treating solid fuels to improve their combustion by using additives
    • 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L2230/00—Function and purpose of a components of a fuel or the composition as a whole
    • C10L2230/14—Function and purpose of a components of a fuel or the composition as a whole for improving storage or transport of the fuel
    • 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/02—Combustion or pyrolysis
    • 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/08—Drying or removing water
    • 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • 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
    • 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L9/00—Treating solid fuels to improve their combustion

Definitions

  • the present invention relates to the treatment of coal. More particularly, the present invention provides a process for treating coal by removing moisture only and to produce a stable fuel product, increasing the heating value of the fuel product, and stabilizing the product to prevent re-absorption of moisture, degradation, and spontaneous combustion.
  • Prior processes for treating coal remove moisture and unwanted volatile matter from the coal (typically low-rank coals and lignite) to produce coal of higher quality, with increased heat release per unit mass of fuel.
  • U.S patents 6,447,559 and 7,879,1 17 describe processes for producing a clean coal fuel that has a higher heating value per unit mass of coal compared to the raw coal.
  • the clean coal fuel also produces zero or minimal emissions.
  • the volatile matter removed from the raw coal is used as a fuel to provide process heat.
  • the prior processes remove both moisture and volatile matter in several (2-4) different stages.
  • the first stage removes only moisture from the coal, while the remaining stages remove volatile matter as light and heavy hydrocarbons.
  • the removal of only moisture from coal is not as simple as removing, from the prior process, the latter stages that remove volatile matter.
  • removal of moisture only from low-rank coal and lignite is known to produce an unstable coal fuel that can spontaneously ignite, disintegrate into a powder, and re-absorb moisture. These undesirable properties limit the shelf life of the de-moisturized coal.
  • the invention provides briquettes formed from coal treated according to the process of the invention.
  • the briquettes may be provided with a waterproof coating to improve stability, ignition properties and to extend shelf life.
  • the flow rates shown correspond to a plant processing 180 tons per hour (tph) of raw coal, of which a portion, 30 tph (i.e., "the first batch") , is used for providing heat for the process. It will be understood that the process of the invention is not limited to those particular feed rates.
  • the apparatus employed in the process of the invention includes a master dryer 2, a devolatilizer 4, a combuster 6, a series of slave dryers 8, 10, 12, 14 and 16 and a series of coaters 18, 20, 22, 24 and 26.
  • a first batch of raw coal (30 tph) is fed to the master dryer 2 to remove moisture contained in the raw coal.
  • the term "remove moisture”, as used herein, means that the content of moisture (water) in the coal is reduced to less than 5% by weight, for example 2- 4% by weight.
  • the resulting demoisturized product is then fed to the devolatilizer 4 to remove volatile material in the coal.
  • the term "remove volatile material”, as used herein, means that the content of volatile material in the coal is reduced to less than 5% by weight, for example 2-4% by weight.
  • the coal exiting the devolatilizer (17.6 tph) is split into two streams.
  • the first stream (6.1 tph) is fed to combustor 6 where heat generated is fed to the master dryer 2, the devolatilizer 4 and the slave dryers 8, 10, 12, 14, and 16.
  • a second batch of raw coal is fed directly to the respective slave dryers 8, 10, 12, 14, 16 where the coal dried to a moisture level of about 5wt%.
  • the slave dryers 8-16 are heated with heat from the combustor 6 to remove only moisture from the incoming second batch of coal.
  • the demoisturized coal from each of the slave dryers is passed through respective coaters 18, 20, 22, 24, 26, where it is mixed with the remainder (1 1 .5 tph) of the first batch of raw coal that has been demoisturized and devolatilized in the master dryer 2 and devolatilizer 4, respectively.
  • the coaters may be heated using heat from the combustor 6, if needed.
  • Volatile material produced by the devolatilizer 4 is fed to the respective coaters to coat the coal and thereby produce a stabilized coal, which is then collected from the coaters.
  • An important feature of the invention is coating of the demoisturized coal produced by the respective slave dryers in a separate operation using volatile material withdrawn from the coal in the devolatilizer 4.
  • the application of the volatile material onto the demoisturized coal in the coaters may be effected, for example, by immersion of the demoisturized coal in volatile material condensate or by allowing vapors from the volatile material to condense on the surface of the demoisturized coal.
  • the volatile material condensate from the devolatilizer 4 contains tars, anthracene oils, and other coal derivatives. Coating the demoisturized coal in the coaters with this volatile material condensate is believed to seal the pore structure of the coal and prevent it from reabsorbing moisture, disintegrating into a powder, and/or undergoing spontaneous self-ignition and combustion.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

La présente invention concerne un procédé permettant de traiter du charbon. Le procédé consiste à introduire un premier lot de charbon brut dans un premier séchoir pour éliminer l'humidité contenue dans le charbon brut afin de donner du charbon déshumidifié ; à introduire le charbon déshumidifié dans un extracteur de matières volatiles pour éliminer les matières volatiles du charbon déshumidifié afin de donner du charbon sans matières volatiles ; à introduire une première partie du charbon sans matières volatiles dans une chambre de combustion pour dégager de la chaleur pour le procédé ; à introduire une seconde partie du charbon sans matières volatiles dans un enrobeur ; à introduire un second lot de charbon brut dans un séchoir esclave pour donner un second lot de charbon déshumidifié ; à introduire le second lot de charbon déshumidifié dans l'enrobeur où la seconde partie de charbon sans matières volatiles et le second lot de charbon déshumidifié sont revêtus du matériau volatil produit dans l'extracteur de matières volatiles, afin de donner un produit à base de charbon stabilisé ; et à récupérer le produit à base de charbon stabilisé.
PCT/US2012/054160 2011-09-07 2012-09-07 Traitement du charbon Ceased WO2013066492A2 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
AU2012333101A AU2012333101B2 (en) 2011-09-07 2012-09-07 Treatment of coal
CA2848068A CA2848068C (fr) 2011-09-07 2012-09-07 Traitement du charbon
HK15100135.9A HK1199737A1 (en) 2011-09-07 2012-09-07 Treatment of coal
PH1/2014/500512A PH12014500512A1 (en) 2011-09-07 2012-09-07 Treatment of coal
JP2014529896A JP6256919B2 (ja) 2011-09-07 2012-09-07 石炭の処理
KR1020147008281A KR101966481B1 (ko) 2011-09-07 2012-09-07 석탄의 처리
MX2014002717A MX359966B (es) 2011-09-07 2012-09-07 Tratamiento de carbon mineral.
EP12845210.9A EP2753678A4 (fr) 2011-09-07 2012-09-07 Traitement du charbon
US14/343,568 US20150166917A1 (en) 2011-09-07 2012-09-07 Treatment of coal
EA201490565A EA027270B1 (ru) 2011-09-07 2012-09-07 Обработка угля
ZA2014/02154A ZA201402154B (en) 2011-09-07 2014-03-24 Treatment of coal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161531791P 2011-09-07 2011-09-07
US61/531,791 2011-09-07

Publications (3)

Publication Number Publication Date
WO2013066492A2 true WO2013066492A2 (fr) 2013-05-10
WO2013066492A3 WO2013066492A3 (fr) 2013-08-15
WO2013066492A9 WO2013066492A9 (fr) 2013-11-28

Family

ID=48192993

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2012/054160 Ceased WO2013066492A2 (fr) 2011-09-07 2012-09-07 Traitement du charbon

Country Status (14)

Country Link
US (1) US20150166917A1 (fr)
EP (1) EP2753678A4 (fr)
JP (1) JP6256919B2 (fr)
KR (1) KR101966481B1 (fr)
AU (1) AU2012333101B2 (fr)
CA (1) CA2848068C (fr)
CO (1) CO7010817A2 (fr)
EA (1) EA027270B1 (fr)
HK (1) HK1199737A1 (fr)
MX (1) MX359966B (fr)
MY (1) MY172294A (fr)
PH (1) PH12014500512A1 (fr)
WO (1) WO2013066492A2 (fr)
ZA (1) ZA201402154B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014194208A1 (fr) * 2013-05-30 2014-12-04 Clean Coal Technologies, Inc. Traitement du charbon

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107189834B (zh) * 2017-07-10 2023-08-15 自贡通达机器制造有限公司 一种蒸养釜釜身及蒸养方法
EP3927794A1 (fr) * 2019-02-19 2021-12-29 Omnis Advanced Technologies (HK) Ltd. Fracturation thermique et séparation du microcarbone de particules de charbon
CN110003965B (zh) * 2019-05-09 2021-04-20 中南大学 一种球磨预处理-化学法联合制备超细洁净煤的方法
KR20230066823A (ko) * 2021-11-08 2023-05-16 주식회사 선진티에스 오염물질을 제거하는 복합 건조기

Citations (1)

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Publication number Priority date Publication date Assignee Title
US6447559B1 (en) 1999-11-05 2002-09-10 Saudi American Minerals Inc. Treatment of coal

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JP3941131B2 (ja) * 1996-05-21 2007-07-04 宇部興産株式会社 改質された石炭の製造方法、ｃｗｍ及びその製造方法、ｈ２及びｃｏの製造方法
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Publication number Priority date Publication date Assignee Title
US6447559B1 (en) 1999-11-05 2002-09-10 Saudi American Minerals Inc. Treatment of coal

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014194208A1 (fr) * 2013-05-30 2014-12-04 Clean Coal Technologies, Inc. Traitement du charbon
CN105555918A (zh) * 2013-05-30 2016-05-04 煤炭清理技术公司 煤处理
JP2016526087A (ja) * 2013-05-30 2016-09-01 クリーンコールテクノロジーズ インク 石炭の処理
RU2670893C2 (ru) * 2013-05-30 2018-10-25 Клин Коул Текнолоджиз, Инк. Обработка угля
US10519390B2 (en) 2013-05-30 2019-12-31 Clean Coal Technologies, Inc. Treatment of coal

Also Published As

Publication number Publication date
EA201490565A1 (ru) 2014-07-30
KR101966481B1 (ko) 2019-04-05
US20150166917A1 (en) 2015-06-18
CA2848068A1 (fr) 2013-05-10
CA2848068C (fr) 2021-07-20
MX2014002717A (es) 2014-08-01
KR20140072066A (ko) 2014-06-12
EP2753678A2 (fr) 2014-07-16
AU2012333101B2 (en) 2016-07-14
MX359966B (es) 2018-10-18
PH12014500512A1 (en) 2022-05-11
MY172294A (en) 2019-11-20
HK1199737A1 (en) 2015-07-17
JP2014525514A (ja) 2014-09-29
EP2753678A4 (fr) 2015-04-08
WO2013066492A3 (fr) 2013-08-15
EA027270B1 (ru) 2017-07-31
ZA201402154B (en) 2017-06-28
AU2012333101A1 (en) 2014-04-17
CO7010817A2 (es) 2014-07-31
WO2013066492A9 (fr) 2013-11-28
JP6256919B2 (ja) 2018-01-10

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