RU2011103846A - METHOD FOR DIRECTED ADMINISTRATION OF REAGENT FOR CONTROL OF SLAG FORMED AS A RESULT OF COAL BURNING WITH AN INCREASED CONTENT OF IRON AND / OR CALCIUM - Google Patents

METHOD FOR DIRECTED ADMINISTRATION OF REAGENT FOR CONTROL OF SLAG FORMED AS A RESULT OF COAL BURNING WITH AN INCREASED CONTENT OF IRON AND / OR CALCIUM Download PDF

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RU2011103846A
RU2011103846A RU2011103846/04A RU2011103846A RU2011103846A RU 2011103846 A RU2011103846 A RU 2011103846A RU 2011103846/04 A RU2011103846/04 A RU 2011103846/04A RU 2011103846 A RU2011103846 A RU 2011103846A RU 2011103846 A RU2011103846 A RU 2011103846A
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introduction
coal
reagent
slag
concentration
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RU2011103846/04A
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Russian (ru)
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RU2493240C2 (en
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Кристофер Р. СМИРНИОТИС (US)
Кристофер Р. СМИРНИОТИС
Кент В. ШУЛЬЦ (US)
Кент В. ШУЛЬЦ
Эмелито П. РИВЕРА (US)
Эмелито П. РИВЕРА
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Фуел Теч, Инк. (Us)
Фуел Теч, Инк.
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C99/00—Subject-matter not provided for in other groups of this subclass
    • 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
    • C10L10/06—Use of additives to fuels or fires for particular purposes for facilitating soot removal
    • 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
    • C10L10/04—Use of additives to fuels or fires for particular purposes for minimising corrosion or incrustation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J7/00—Arrangement of devices for supplying chemicals to fire
    • 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
    • C10L2200/00—Components of fuel compositions
    • C10L2200/02—Inorganic or organic compounds containing atoms other than C, H or O, e.g. organic compounds containing heteroatoms or metal organic complexes
    • C10L2200/0204—Metals or alloys
    • C10L2200/0213—Group II metals: Be, Mg, Ca, Sr, Ba, Ra, Zn, Cd, Hg
    • 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
    • C10L2200/00—Components of fuel compositions
    • C10L2200/02—Inorganic or organic compounds containing atoms other than C, H or O, e.g. organic compounds containing heteroatoms or metal organic complexes
    • C10L2200/0204—Metals or alloys
    • C10L2200/0218—Group III metals: Sc, Y, Al, Ga, In, Tl
    • 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
    • C10L2200/00—Components of fuel compositions
    • C10L2200/02—Inorganic or organic compounds containing atoms other than C, H or O, e.g. organic compounds containing heteroatoms or metal organic complexes
    • C10L2200/0254—Oxygen containing compounds
    • 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
    • C10L2290/14—Injection, e.g. in a reactor or a fuel stream during fuel production
    • C10L2290/141—Injection, e.g. in a reactor or a fuel stream during fuel production of additive or catalyst
    • 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
    • C10L2290/18—Spraying or sprinkling

Abstract

1. Способ снижения когезионных свойств шлака и/или его сцепляемости с поверхностью топочной камеры и уменьшения тем самым степени загрязнения, включающий: ! - сжигание шлакообразующего угля с повышенным содержанием железа и/или кальция при общем избытке кислорода; ! - отвод образующихся топочных газов через теплообменное оборудование при условиях, обеспечивающих охлаждение шлака, образованного при сгорании топлива; и ! - введение до контакта с указанным теплообменным оборудованием водного раствора тригидроксида алюминия в количестве, с размером капель и в концентрации, оптимальными для снижения степени загрязнения. ! 2. Способ по п.1, отличающийся тем, что обработка позволяет эффективно увеличивать хрупкость образующегося шлака. ! 3. Способ по п.1, отличающийся тем, что тригидроксид алюминия вводится в виде водного раствора, и тем, что для определения начальных значений величины расхода и выбора скорости введения реагента, определения точки (точек) введения реагента, концентрации реагента, размера капель реагента и/или кинетической энергии реагента используют принципы расчетной гидродинамики. ! 4. Способ по п.1, отличающийся тем, что обработка дополнительно включает в себя введение гидроксида магния в количестве, с размером капель и в концентрации, оптимальными для снижения степени загрязнения. ! 5. Способ по п.1, отличающийся тем, что обработка включает в себя введение примерно до 6 фунтов взвеси тригидроксида алюминия на тонну угля и примерно до 2 фунтов Mg(OH)2 на тонну угля. ! 6. Способ удаления отложений шлака из топочной камеры, в которой происходит сжигание угля, включающий в себя: ! введение в горячие топочные  1. A method of reducing the cohesive properties of slag and / or its adhesion to the surface of the combustion chamber and thereby reducing the degree of contamination, including:! - burning of slag-forming coal with a high content of iron and / or calcium with a total excess of oxygen; ! - removal of the resulting flue gases through heat exchange equipment under conditions providing cooling of the slag formed during the combustion of fuel; and! - the introduction to contact with the specified heat exchange equipment of an aqueous solution of aluminum trihydroxide in an amount, with droplet size and concentration, optimal to reduce the degree of contamination. ! 2. The method according to claim 1, characterized in that the treatment can effectively increase the fragility of the resulting slag. ! 3. The method according to claim 1, characterized in that the aluminum trihydroxide is introduced in the form of an aqueous solution, and in that for determining the initial values of the flow rate and choosing the rate of introduction of the reagent, determining the point (s) of introduction of the reagent, the concentration of the reagent, the size of the drops of the reagent and / or kinetic energy of the reagent use the principles of design hydrodynamics. ! 4. The method according to claim 1, characterized in that the treatment further includes the introduction of magnesium hydroxide in an amount, with droplet size and concentration, optimal to reduce the degree of contamination. ! 5. The method according to claim 1, characterized in that the treatment includes the introduction of up to about 6 pounds of a suspension of aluminum trihydroxide per ton of coal and up to about 2 pounds of Mg (OH) 2 per ton of coal. ! 6. A method for removing slag deposits from the combustion chamber in which coal is burned, including:! introduction to hot furnace

Claims (10)

1. Способ снижения когезионных свойств шлака и/или его сцепляемости с поверхностью топочной камеры и уменьшения тем самым степени загрязнения, включающий:1. A method of reducing the cohesive properties of slag and / or its adhesion to the surface of the combustion chamber and thereby reducing the degree of contamination, including: - сжигание шлакообразующего угля с повышенным содержанием железа и/или кальция при общем избытке кислорода;- burning of slag-forming coal with a high content of iron and / or calcium with a total excess of oxygen; - отвод образующихся топочных газов через теплообменное оборудование при условиях, обеспечивающих охлаждение шлака, образованного при сгорании топлива; и- removal of the resulting flue gases through heat exchange equipment under conditions providing cooling of the slag formed during the combustion of fuel; and - введение до контакта с указанным теплообменным оборудованием водного раствора тригидроксида алюминия в количестве, с размером капель и в концентрации, оптимальными для снижения степени загрязнения.- the introduction to contact with the specified heat exchange equipment of an aqueous solution of aluminum trihydroxide in quantity, with droplet size and concentration, optimal to reduce the degree of contamination. 2. Способ по п.1, отличающийся тем, что обработка позволяет эффективно увеличивать хрупкость образующегося шлака.2. The method according to claim 1, characterized in that the treatment can effectively increase the fragility of the resulting slag. 3. Способ по п.1, отличающийся тем, что тригидроксид алюминия вводится в виде водного раствора, и тем, что для определения начальных значений величины расхода и выбора скорости введения реагента, определения точки (точек) введения реагента, концентрации реагента, размера капель реагента и/или кинетической энергии реагента используют принципы расчетной гидродинамики.3. The method according to claim 1, characterized in that the aluminum trihydroxide is introduced in the form of an aqueous solution, and in that for determining the initial values of the flow rate and choosing the rate of introduction of the reagent, determining the point (s) of introduction of the reagent, the concentration of the reagent, the size of the drops of the reagent and / or kinetic energy of the reagent use the principles of computational fluid dynamics. 4. Способ по п.1, отличающийся тем, что обработка дополнительно включает в себя введение гидроксида магния в количестве, с размером капель и в концентрации, оптимальными для снижения степени загрязнения.4. The method according to claim 1, characterized in that the treatment further includes the introduction of magnesium hydroxide in an amount, with droplet size and concentration, optimal to reduce the degree of contamination. 5. Способ по п.1, отличающийся тем, что обработка включает в себя введение примерно до 6 фунтов взвеси тригидроксида алюминия на тонну угля и примерно до 2 фунтов Mg(OH)2 на тонну угля.5. The method according to claim 1, characterized in that the treatment includes the introduction of up to about 6 pounds of suspension of aluminum trihydroxide per ton of coal and up to about 2 pounds of Mg (OH) 2 per ton of coal. 6. Способ удаления отложений шлака из топочной камеры, в которой происходит сжигание угля, включающий в себя:6. A method for removing slag deposits from a combustion chamber in which coal is burned, including: введение в горячие топочные газы, образующиеся в топочной камере, водного раствора тригидроксида алюминия в количестве, с размером капель и в концентрации, оптимальными для удаления отложений шлака.the introduction into the hot flue gases generated in the combustion chamber of an aqueous solution of aluminum trihydroxide in an amount, with droplet size and concentration, optimal for removing slag deposits. 7. Способ по п.6, отличающийся тем, что обработка дополнительно включает в себя введение гидроксида магния в количестве, с размером капель и в концентрации, оптимальными для снижения степени загрязнения.7. The method according to claim 6, characterized in that the treatment further includes the introduction of magnesium hydroxide in an amount, with droplet size and concentration, optimal to reduce the degree of contamination. 8. Способ по п.6, отличающийся тем, что обработка включает в себя введение до примерно 6 фунтов взвеси тригидроксида алюминия на тонну угля и до примерно 2 фунтов Mg(OH)2 на тонну угля.8. The method according to claim 6, characterized in that the treatment includes the introduction of up to about 6 pounds of a suspension of aluminum trihydroxide per ton of coal and up to about 2 pounds of Mg (OH) 2 per ton of coal. 9. Способ очистки и обслуживания котла, включающий в себя режим начальной дозировки тригидроксида алюминия примерно от 3 до 6 фунтов на тонну угля и примерно от 1 до 2 фунтов Mg(OH)2 на тонну угля в течение времени, достаточного для снижения шлакообразования, с последующим снижением дозировки до значения примерно от 10 до примерно 50% от исходных значений для обеспечения чистоты и эффективности эксплуатации топочной камеры.9. A method for cleaning and maintaining the boiler, including an initial dosage of aluminum trihydroxide from about 3 to 6 pounds per ton of coal and about 1 to 2 pounds of Mg (OH) 2 per ton of coal for a time sufficient to reduce slag formation, s a subsequent reduction in dosage to a value of from about 10 to about 50% of the initial values to ensure cleanliness and operational efficiency of the combustion chamber. 10. Способ по п.9, отличающийся тем, что обработка дополнительно включает в себя введение гидроксида магния в количестве, с размером капель и в концентрации, оптимальными для снижения степени загрязнения. 10. The method according to claim 9, characterized in that the treatment further includes the introduction of magnesium hydroxide in an amount, with droplet size and concentration, optimal to reduce the degree of contamination.
RU2011103846/04A 2008-07-11 2009-07-13 Method of directed introduction of reagent to control slag forming as result of combustion of coal with increased content of iron and/or calcium RU2493240C2 (en)

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Application Number Priority Date Filing Date Title
US8000408P 2008-07-11 2008-07-11
US61/080,004 2008-07-11
PCT/US2009/050354 WO2010006325A1 (en) 2008-07-11 2009-07-13 Targeted reagent injection for slag control from combustion of coals high in iron and/or calcium

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RU2011103846A true RU2011103846A (en) 2012-08-20
RU2493240C2 RU2493240C2 (en) 2013-09-20

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US (1) US20100006014A1 (en)
EP (1) EP2318489B1 (en)
JP (1) JP5657533B2 (en)
KR (1) KR101298932B1 (en)
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AR (1) AR072502A1 (en)
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WO2010006325A1 (en) 2010-01-14
AU2009268391A1 (en) 2010-01-14
TW201009067A (en) 2010-03-01
CA2729959A1 (en) 2010-01-14
RU2493240C2 (en) 2013-09-20
US20100006014A1 (en) 2010-01-14
CO6300873A2 (en) 2011-07-21
AU2009268391B2 (en) 2014-05-08
KR101298932B1 (en) 2013-08-22
AR072502A1 (en) 2010-09-01
EP2318489B1 (en) 2015-09-02
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MX2011000275A (en) 2011-03-02
KR20110043656A (en) 2011-04-27
HK1157810A1 (en) 2012-07-06
AU2009268391C1 (en) 2014-12-11
CA2729959C (en) 2015-09-01
EP2318489A4 (en) 2013-05-15
PL2318489T3 (en) 2016-03-31
JP5657533B2 (en) 2015-01-21
CN102089413B (en) 2013-12-18
CN102089413A (en) 2011-06-08
MY156010A (en) 2015-12-31

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Effective date: 20160714