WO2004104141A2 - Composiiton for preventing scaling, excluding of soot, clinker and sludge, and controlling flame in combustion apparatus - Google Patents
Composiiton for preventing scaling, excluding of soot, clinker and sludge, and controlling flame in combustion apparatus Download PDFInfo
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- WO2004104141A2 WO2004104141A2 PCT/KR2004/001079 KR2004001079W WO2004104141A2 WO 2004104141 A2 WO2004104141 A2 WO 2004104141A2 KR 2004001079 W KR2004001079 W KR 2004001079W WO 2004104141 A2 WO2004104141 A2 WO 2004104141A2
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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
- C10L10/02—Use of additives to fuels or fires for particular purposes for reducing smoke development
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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
- C10L1/10—Liquid carbonaceous fuels containing 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
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/12—Inorganic compounds
- C10L1/1233—Inorganic compounds oxygen containing compounds, e.g. oxides, hydroxides, acids and salts thereof
- C10L1/1258—Inorganic compounds oxygen containing compounds, e.g. oxides, hydroxides, acids and salts thereof hydrogen peroxide, oxygenated 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
- 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
-
- 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
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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
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/003—Additives for gaseous fuels
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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
- C10L5/12—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders with inorganic 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
- C10L9/00—Treating solid fuels to improve their combustion
- C10L9/10—Treating solid fuels to improve their combustion by using additives
- C10L9/12—Oxidation means, e.g. oxygen-generating compounds
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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
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/12—Inorganic compounds
- C10L1/1233—Inorganic compounds oxygen containing compounds, e.g. oxides, hydroxides, acids and salts 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
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/12—Inorganic compounds
- C10L1/1233—Inorganic compounds oxygen containing compounds, e.g. oxides, hydroxides, acids and salts thereof
- C10L1/125—Inorganic compounds oxygen containing compounds, e.g. oxides, hydroxides, acids and salts thereof 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
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/12—Inorganic compounds
- C10L1/1275—Inorganic compounds sulfur, tellurium, selenium containing compounds
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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
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/12—Inorganic compounds
- C10L1/1291—Silicon and boron containing compounds
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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
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof
- C10L1/1822—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms
- C10L1/1824—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms mono-hydroxy
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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
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
- C10L1/2222—(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates
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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
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
- C10L1/2222—(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates
- C10L1/2225—(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates hydroxy containing
Definitions
- the present invention relates to a water-soluble fuel additive composition
- a water-soluble fuel additive composition comprising borax, sodium hydroxide, an amine-based stabilizer, hydrogen peroxide, and water, which facilitates combustion, increases thermal efficiency, reduces smoke generation, excludes soot and clinker from a furnace, and controls flame, thereby improving the radiant heat transfer system.
- hard solid materials such as sludge, which are generated by whitening and the like, may increase gas consumption or cause explosions.
- FIG. 1 is a graph showing the decrease of exhaust gas with time when the fuel additive composition of the present invention has been added to fuel.
- the present invention provides a fuel additive composition comprising 8 to 40 parts by weight of hydrogen peroxide, 8 to 40 parts by weight of an amine-based stabilizer, 10 to 40 parts by weight of borax, 16 to 40 parts by weight of sodium hydroxide, and water.
- the composition is prepared by dispersing it in water, so that the content of the composition with respect to water ranges from 1 :2 to :50 by weight.
- the fuel additive composition is added at 0.02 to 0.5 parts by weight per 100 parts by weight of fuel.
- the composition may further comprise methyl alcohol or a surfactant, in which the content of the composition to them ranges from 1 :1 to 1 :3 by weight.
- the composition may further comprise one or more catalysts selected from the group consisting of potassium carbonate, calcium carbonate, and sodium carbonate, in which the content of the composition to a catalyst ranges from 1 :0.03 to 1 :0.3 by weight.
- the present invention also provides a method of preparing a fuel additive composition, comprising the steps of: mixing 16 to 40 parts by weight of sodium hydroxide in an aqueous solution in which 10 to 40 parts by weight of borax has been dissolved; adding 8 to 40 parts by weight of an amine-based stabilizer to the resultant mixture; and adding 8 to 40 parts by weight of hydrogen peroxide to the resultant mixture.
- the present invention further provides a use of the fuel additive composition.
- the fuel additive composition of the present invention comprises hydrogen peroxide, an amine-based stabilizer, borax, sodium hydroxide, and water, and it facilitates combustion of fuel, thereby leading to complete combustion.
- Hydrogen peroxide generates oxygen radicals, and thus facilitates combustion of fuel.
- Oxygen radicals are oxygen in an atomic state, and they are very unstable. Thus, they exist for a very short time and are highly reactive.
- hydrogen peroxide generates oxygen radical, thereby facilitating combustion of fuel fed into the furnace and the combustion tube. Therefore, the fuel may burn easily even with a small amount of oxygen.
- the oxygen radicals reduce NO x (thermal NO x ) and prevent generation of PM (particulate matter) such as SO x and CO in a combustion apparatus.
- glycerin or an amine-based stabilizer is used to inhibit it.
- radicals are generated in a large amount at about 400 ° C , which facilitates combustion of fuel.
- oxygen radicals from borax facilitate combustion.
- the amine-based stabilizer is selected from the group consisting of dimethanolamine, diethanolamine, trimethanolamine, and triethanolamine.
- amine-based stabilizer Using the amine-based stabilizer, decomposition is retarded even up to about 180 ° C or higher. At about 180 ° C or higher, oxygen radicals are generated in a large amount, so that combustion of the fuel is facilitated even with a low oxygen content.
- the amine-based stabilizer also prevents low-temperature corrosion and increases dispersibility in the aqueous solution, thereby reducing differences of specific gravity of the matter.
- Borax or hydrated sodium borate (Na 2 B 4 O • 10H 2 O), excludes soot, clinker, and sludge from the furnace of the combustion apparatus, thereby increasing thermal conduction efficiency, and prevents corrosion of the furnace, thereby extending the furnace life.
- Part of the borax mixed in the fuel is decomposed to generate oxygen radicals, but intact borax is deposited on the furnace surface to form a film, thereby preventing corrosion at elevated temperatures, reducing viscosity of ash, removing PM such as soot, clinker, and sludge, improving thermal efficiency, and reducing air pollutants (dust, smoke, NO x , and SO x ).
- oxygen radicals generated from the fuel additive composition of the present invention reduce generation of thermal NO x , and sodium included in the mixture forms sodium sulfate, so that SO x exhausted to the air is reduced.
- Borax which is powder, is added to and dissolved in water. However, because deposition may occur over time, sodium hydroxide and the amine-based stabilizer are added to increase solubility of the borax in water and prevent the deposition.
- the fuel additive composition is prepared by dispersing 8 to 40 parts by weight of hydrogen peroxide, 8 to 40 parts by weight of borax, 10 to 40 parts by weight of the amine-based stabilizer, and 16 to 40 parts by weight of sodium hydroxide, in water.
- the content of the composition to water ranges from .2 to 1 :50 by weight.
- combustion may be retarded, which causes an increase of fuel use, and cleansing power may be reduced or deposition may occur during dispersing.
- the fuel additive composition may further comprise potassium carbonate, calcium carbonate, or sodium carbonate to reduce smoke generation during combustion. They induce low-temperature combustion thereby reducing NO x generation, and control flame size during combustion thereby improving the radiant heat transfer system and reducing fuel consumption.
- the content of the composition of the present invention to the additive ranges from 1 :0.03 to 1 :0.3 by weight.
- the content of the fuel additive composition of the present invention may be controlled appropriately depending on the kind and quality of fuel, operation status of the furnace, and degree of aging. Preferably, it is added at 0.02 to 0.5 parts by weight per 100 parts by weight of fuel.
- the fuel additive composition enhances cleansing power and prevents low-temperature corrosion and high-temperature corrosion.
- the fuel additive composition of the present invention is prepared by the steps comprising: mixing 10 to 40 parts by weight of borax in an aqueous solution in which 16 to 40 parts by weight of sodium hydroxide have been dissolved; adding 8 to 40 parts by weight of an amine-based stabilizer to the resultant mixture; and adding 8 to 40 parts by weight of hydrogen peroxide to the resultant mixture.
- Borax is added at 50 to 95 ° C to maximize its solubility, and hydrogen peroxide is added at the last step to appropriately control the oxygen radical content. If hydrogen peroxide is mixed along with borax in the first step, oxygen radicals are generated excessively, so that foaming occurs and oxygen radicals are lost. Also, the temperature of the resultant fuel additive composition is elevated, which makes further processing complicated and dangerous. Potassium carbonate, calcium carbonate, or sodium carbonate is added after addition of hydrogen peroxide.
- Any solid, liquid, or gas fuel may be used in the present invention.
- a solid fuel such as coal, coke, and charcoal
- a liquid fuel such as gasoline, kerosene, light oil, heavy oil, coal tar, oil sand, oil shale, methanol, and ethanol
- a gaseous fuel such as natural gas, liquefied petroleum gas, hydrogen, and acetylene may be used.
- the fuel additive composition of the present invention burns carbon particles (e.g. coal) before ashing, thereby preventing coagulation of carbon particles with ashes and altering film formation of borax and the viscosity of ashes, so that deposition of clinker, soot, and sludge in the furnace can be prevented.
- carbon particles e.g. coal
- the ashing point is decreased under the reducing atmosphere in the furnace.
- the fuel additive composition of the present invention checks a decrease of the ashing point by oxygen radicals, thereby preventing clinker generation.
- borax which penetrates into the pores of coal, prevents coagulation of ashes by a glass bead reaction. Undecomposed borax is deposited on the furnace surface to form a film, thereby preventing high-temperature corrosion, interfering with clinker deposition, and enhancing thermal efficiency.
- the fuel additive composition of the present invention prevents generation of sludge and reduces energy consumption.
- fine dust included in air which has been taken in for combustion may be hardened by whitening and the like to form solid materials like sludge to a thickness of about 1 to 2 mm.
- the fuel additive composition of the present invention decreases the melting point and flashing point, thereby removing the sludge or preventing sludge generation.
- the fuel additive composition of the present invention when the fuel additive composition of the present invention was dispersed in water in a proportion of 1 :40 and employed in a 20 ton/H gas/oil combined rotary boiler of H apartment, the flame turned an orange color and elongated, and about 5% of energy consumption was saved.
- the fuel additive composition of the present invention if employed in a gas turbine, it removes dust attached to the blade of the turbine.
- the dust induces vibration when the gas turbine is operated at high speed.
- the fuel additive composition of the present invention removes the dust and rapidly bums dust and soot, thereby enabling effective high-speed operation and offering about 2% of thermal efficiency improvement.
- the fuel additive composition of the present invention may be mixed with light oil for a diesel engine to reduce energy consumption.
- the fuel additive composition is mixed with light oil for a diesel engine along with methyl alcohol or a surfactant.
- the fuel additive composition of the present invention is dispersed in water to increase the Hardgrove grindability index (HGI) of fine coals by about 10%, reduce ash generation by facilitating combustion, and enable recycling of coal ashes.
- HGI Hardgrove grindability index
- the composition is sprayed to or mixed with coal, briquettes, coke, or charcoal, combustion is facilitated and smoke and noxious smells can be significantly reduced.
- the fuel additive composition of the present invention may be a simple salt treated in a cement kiln to improve combustion rate per unit area of a kiln and reduce clinker productivity.
- combustion rate is determined by flame length.
- the fuel additive composition of the present invention induces complete combustion and thus reduces flame length.
- borax penetrates deep into the pores of the coal and generates oxygen radicals at elevated temperatures.
- a melting point decrease and porosity enhancement by calcium carbonate - or sodium carbonate increases a contact area of oxygen thereby increasing the combustion rate, reducing flashing temperature, and reducing smoke generation from a Ringelmann turbidity of level 3 to level 1.
- the fuel additive composition of the present invention is employed in an oil boiler to induce complete combustion of fuel, thereby reducing fly ash, improving dust collecting efficiency, and extending catalyst life of a dust collector.
- the fuel additive composition of the present invention may be used for a combustion apparatus to remove scale, to prevent corrosion, soot generation, clinker generation, and sludge generation, and to control flames.
- a fuel additive composition was prepared as in Example 1 , without using sodium hydroxide. The resultant composition experienced precipitation as time went by. Comparative Example 2
- a fuel additive composition was prepared as in Example 1 , at a temperature of 40 ° C .
- the resultant composition experienced precipitation as time went by.
- Comparative Example 3 A fuel additive composition was prepared as in Example 1 , at a temperature of 45 °C . The resultant composition experienced precipitation as time went by, as in Comparative Examples 1 and 2.
- Example 3 Fuel consumption saving test The composition was employed in a combined heat and power plant using bituminous coal. Fuel consumption saving effect due to reduction of air pollutants and clinkers was determined. The composition was diluted to about 1 ,000:1 , based on the coal weight, in water, and sprayed on lump coal placed on a coal feeder. The lump coal was crushed to 200 mesh or below and burnt with a burner.
- Fuel consumption was 300 ton/h and temperature inside the furnace was 1 ,300 to 1 ,700 ° C .
- a horizontal firing type burner and a natural circulation type boiler were used.
- Dust content, SO x concentration, NO x concentration, and CO concentration were measured for 4 weeks.
- Dust content Measured with a cylindrical filter. Before addition of the composition, average dust content was 19.4 mg/cm 2 . It decreased by about 47.0%.
- SO x concentration Measured by precipitation titration method. SO x concentration decreased by about 10.2%.
- NO x concentration Measured by zinc 1-naphthyldiamine method. NO ⁇ concentration decreased by about 13.0%.
- CO concentration Measured by nondispersive infrared analysis method. CO concentration decreased by about 27%.
- the content of bottom ash, one of the clinkers, decreased from 59.0% to 25.0%, which is about 57.6%.
- Example 4 Fuel consumption saving test The following test was performed to confirm clinker removal and thermal efficiency improvement.
- the composition diluted in water was sprayed on crushed coal.
- the proportion of coal, water, and the composition was 1000:10:1.
- the mixture was sprayed on lump coal on a coal feeder.
- the coal was crushed to 200 mesh or below and burnt with a burner.
- the coal had a moisture content of about 2.36%, an ash content of about 27.89%, and a volatile content of about 17.97%.
- a horizontal firing type boiler was used. Steam production capacity was 220 ton/hr, and vapor pressure was 9.8 MPa. The temperature inside the furnace was 1 ,500 ° C to 1 ,700 ° C , the air ratio was about 4.8, the combustion exhausting temperature was 120 ° C , and the vapor temperature was about 540 ° C .
- Coal to which the fuel additive composition of the present invention had been added was used for 14 days. 76,710 tons of vapor were produced with 9,786.54 kg of coal. When only coal was used for 15 days, 68,462 tons of vapor were produced with 9,910.58 kg of coal. Therefore, the fuel additive composition of the present invention offers better fuel efficiency.
- the test condition was as follows. The results are shown in FIG. 1.
- Measuring device Test 350M/XL (manufactured by TESTO) Measuring method: Static potential chemical type
- Measuring device performance test report Prepared by Korea Testing Laboratory In FIG. 1 , #1 and #2 (- ⁇ -, -O-) show SO x discharge when the composition of Example 1 was not added.
- -A- is when C1 only was added
- - ⁇ - is when 10 wt% of C2 was added along with C1
- - ⁇ - is when 15 wt% of C2 was added along with C1.
- fuel exhaust gas discharge decreased from about 1 ,100 ppm to about 600 ppm on average. Therefore, SO x reduction effect was about 45%.
- C Fine particle removal in fly ash Fine particle content was measured for 6 days for Boiler No. 1 to which the composition of the present invention had been added, and Boiler No. 2 to which the composition had not been added.
- Fine particle content of Boiler No. 1 was 7.39% and that of Boiler No. 2 was 8.76%. Thus, fine particle content was decreased by about 15.64%.
- the fuel additive composition of the present invention reduces dust, SO x , and NO x generation and induces complete combustion thereby reducing fuel consumption, and prevents soot, clinker, sludge, and corrosion in a combustion apparatus, thereby enhancing heat transfer efficiency and improving operation stability.
Abstract
Description
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/556,096 US20060218853A1 (en) | 2003-05-10 | 2004-05-10 | Composition for preventing scaling, excluding of soot, clinker and sludge, and controlling flame in combustion apparatus |
CA002525300A CA2525300A1 (en) | 2003-05-10 | 2004-05-10 | Composition for preventing scaling, excluding of soot, clinker and sludge, and controlling flame in combustion apparatus |
AU2004241406A AU2004241406A1 (en) | 2003-05-10 | 2004-05-10 | Composiiton for preventing scaling, excluding of soot, clinker and sludge, and controlling flame in combustion apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0029669 | 2003-05-10 | ||
KR20030029669 | 2003-05-10 |
Publications (2)
Publication Number | Publication Date |
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WO2004104141A2 true WO2004104141A2 (en) | 2004-12-02 |
WO2004104141A3 WO2004104141A3 (en) | 2005-02-17 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2004/001079 WO2004104141A2 (en) | 2003-05-10 | 2004-05-10 | Composiiton for preventing scaling, excluding of soot, clinker and sludge, and controlling flame in combustion apparatus |
Country Status (7)
Country | Link |
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US (1) | US20060218853A1 (en) |
KR (1) | KR20060081654A (en) |
CN (1) | CN1784483A (en) |
AU (1) | AU2004241406A1 (en) |
CA (1) | CA2525300A1 (en) |
RU (1) | RU2005135378A (en) |
WO (1) | WO2004104141A2 (en) |
Cited By (11)
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- 2004-05-10 WO PCT/KR2004/001079 patent/WO2004104141A2/en active Application Filing
- 2004-05-10 AU AU2004241406A patent/AU2004241406A1/en not_active Abandoned
- 2004-05-10 RU RU2005135378/04A patent/RU2005135378A/en not_active Application Discontinuation
- 2004-05-10 US US10/556,096 patent/US20060218853A1/en not_active Abandoned
- 2004-05-10 KR KR1020057021424A patent/KR20060081654A/en not_active Application Discontinuation
- 2004-05-10 CN CNA2004800125798A patent/CN1784483A/en active Pending
- 2004-05-10 CA CA002525300A patent/CA2525300A1/en not_active Abandoned
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JPH08134475A (en) * | 1994-11-10 | 1996-05-28 | Kao Corp | Fuel additive and fuel oil composition |
KR20020075758A (en) * | 2002-08-26 | 2002-10-05 | 오미혜 | Remover, cleaner, and heat-coefficient improver with catalyst against dust, soot, clinker, sludge and PM |
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EP2066767A4 (en) * | 2006-09-05 | 2011-12-07 | Cerion Technology Inc | Cerium dioxide nanoparticle-containing fuel additive |
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CN103194295A (en) * | 2013-04-25 | 2013-07-10 | 甘肃黑马石化工程有限公司 | Boiler coal combustion-improving denitrifying agent composition and preparation method thereof |
US10143661B2 (en) | 2013-10-17 | 2018-12-04 | Cerion, Llc | Malic acid stabilized nanoceria particles |
CN105670723A (en) * | 2016-03-16 | 2016-06-15 | 王赫 | Energy-saving environment-friendly emission reduction type universal propane gas production method |
CN108456580A (en) * | 2018-03-20 | 2018-08-28 | 上海月荧贸易有限公司 | A kind of coal combustion-supporting additive |
Also Published As
Publication number | Publication date |
---|---|
AU2004241406A1 (en) | 2004-12-02 |
US20060218853A1 (en) | 2006-10-05 |
CA2525300A1 (en) | 2004-12-02 |
RU2005135378A (en) | 2006-04-27 |
KR20060081654A (en) | 2006-07-13 |
WO2004104141A3 (en) | 2005-02-17 |
CN1784483A (en) | 2006-06-07 |
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