CA1160145A - Water based fireside additive - Google Patents
Water based fireside additiveInfo
- Publication number
- CA1160145A CA1160145A CA000355893A CA355893A CA1160145A CA 1160145 A CA1160145 A CA 1160145A CA 000355893 A CA000355893 A CA 000355893A CA 355893 A CA355893 A CA 355893A CA 1160145 A CA1160145 A CA 1160145A
- Authority
- CA
- Canada
- Prior art keywords
- additive
- water
- oil
- solution
- homogenizer
- 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.)
- Expired
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, 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
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/12—Inorganic 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
- 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
- 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
-
- 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
- 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
- C10L1/1241—Inorganic compounds oxygen containing compounds, e.g. oxides, hydroxides, acids and salts thereof metal carbonyls
-
- 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
Abstract
ABSTRACT
A method is disclosed for introducing a water-soluble fireside additive into an oil-fired furnace which is equipped with an homogenizer. The additive is dissolved in water to form an aqueous solution and the solution is homogenized with oil and water to form a homogeneous product which is fed to the furnace burner. By the present procedure, each droplet of water in the water-oil homogenizer carries in solution a tiny specific amount of the additive.
A method is disclosed for introducing a water-soluble fireside additive into an oil-fired furnace which is equipped with an homogenizer. The additive is dissolved in water to form an aqueous solution and the solution is homogenized with oil and water to form a homogeneous product which is fed to the furnace burner. By the present procedure, each droplet of water in the water-oil homogenizer carries in solution a tiny specific amount of the additive.
Description
~60~5 This invention is directed l:o a novel method of introducing certain fireside chemicals into an oil-fired furnace that uses a homogenizer. The additive is dissolved into the water that goes to the homoqenizer. Preferably, a feed solution of additive in water is made up, and this is metered to the water fed to the homogenizer.
~ large number of additives can be used in this way.
They must, of course, be soluhle in the amount of water used in the homoqenizer.
Among the fireside additives suitable for use in this invention are the water soluble salts of Mn, Cu, Mq, ~1, Fe, Pb, Zn, and mixes thereof. The sulfates of most of. these elements are soluble and qenerally commercially available.
There are, of course, many other water soluble forms, e. g., most of the nitrates, chlorides, formates, acetates and the like. Solubility of a given additive is readily checked in a chemical handbook.
This invention solves a long standing problem, which is, how can an additive be qot into a fuel oil so as to be fed to the furnace with efficiency and uniformity. Post procedures have involved attempts to Prepare an additive-oii suspension. This approach has not worked well. The additive frequently does not dispense well in the oil and may settle in the oil and/or enter the furnace qas stream as clumps. In the instant process, however,,each droplet of water in the oil-water homogenizer carries in solution a tiny specific amount of additive.
As noted, this invention can be used only in furnaces equipped with oil-water homoqenizers. However, in view of ~o~
the general applicability of the invention, it may be advantageous for a furnace to install a homogenizer in order to obtain the benefits of the invention.
An oil-water homogenizer is used in the furnace ~o atomize the oil very quickly, thereby facilitatinq combustion. The water, being distributed as very fine droplets within the continuous oil phase, is almost instantly vaporized when the fuel enters the furnace and the consequent great increase in volume "explodes" the oil into fine droplets which quickly ignite~ Any of the conventional commercial homoqenizers can be used in this invention. The amount of water used is about 2-10% of the oil flow. When we add our additive, the same total amount of water is used, including any added with our additive. Typical of commercially available homogenizers are those available from Gaulin Corporation of Everett, Mass.
"Fireside additives" are well known per se, and they are added to the furnace for a wide range of well known purposes, e.g., to improve combustion; or to reduce emissions, slagging, deposits , or corrosion. The instant invention is not directed to the fireside additive per se, but rather to a novel method of getting the additive into the furnace flame.
In the prior art there are three main approaches for accomplishing such addition:
1. Oil-soluble organo-metallic chemicals, e.q. copper naphthenate, which are expensive.
~ large number of additives can be used in this way.
They must, of course, be soluhle in the amount of water used in the homoqenizer.
Among the fireside additives suitable for use in this invention are the water soluble salts of Mn, Cu, Mq, ~1, Fe, Pb, Zn, and mixes thereof. The sulfates of most of. these elements are soluble and qenerally commercially available.
There are, of course, many other water soluble forms, e. g., most of the nitrates, chlorides, formates, acetates and the like. Solubility of a given additive is readily checked in a chemical handbook.
This invention solves a long standing problem, which is, how can an additive be qot into a fuel oil so as to be fed to the furnace with efficiency and uniformity. Post procedures have involved attempts to Prepare an additive-oii suspension. This approach has not worked well. The additive frequently does not dispense well in the oil and may settle in the oil and/or enter the furnace qas stream as clumps. In the instant process, however,,each droplet of water in the oil-water homogenizer carries in solution a tiny specific amount of additive.
As noted, this invention can be used only in furnaces equipped with oil-water homoqenizers. However, in view of ~o~
the general applicability of the invention, it may be advantageous for a furnace to install a homogenizer in order to obtain the benefits of the invention.
An oil-water homogenizer is used in the furnace ~o atomize the oil very quickly, thereby facilitatinq combustion. The water, being distributed as very fine droplets within the continuous oil phase, is almost instantly vaporized when the fuel enters the furnace and the consequent great increase in volume "explodes" the oil into fine droplets which quickly ignite~ Any of the conventional commercial homoqenizers can be used in this invention. The amount of water used is about 2-10% of the oil flow. When we add our additive, the same total amount of water is used, including any added with our additive. Typical of commercially available homogenizers are those available from Gaulin Corporation of Everett, Mass.
"Fireside additives" are well known per se, and they are added to the furnace for a wide range of well known purposes, e.g., to improve combustion; or to reduce emissions, slagging, deposits , or corrosion. The instant invention is not directed to the fireside additive per se, but rather to a novel method of getting the additive into the furnace flame.
In the prior art there are three main approaches for accomplishing such addition:
1. Oil-soluble organo-metallic chemicals, e.q. copper naphthenate, which are expensive.
2. Oil-based slurries, e.g. ma~nesium oxide slurried in #2 fuel oil. These are difficult to stabilize and may settle in the drum.
~o~
~ . Emulsions, in which oil is the continuous phase, with aqueous salt solutions emulsified into the oil (see Canadian Patent 976,755). These emulsions are not, in our experience, completely stable.
Our invention dispenses completely with any oil in the treatment; we feed the additive in water to the oil beinq used to fire the boiler.
Preferably, a feed solution of the additive in water is made up, and this is metered to the water fed to the homo~enizer. However, it is possible to feed directly to the oil line ahead of the homogenizer.
Example 1 The invention is used by a steel producer in two blast furnaces. A water solution of 10~ copper sulfate and 20%
manganese sulfate is fed at the rate of one gallon per 4000 qallons of residual fuel oil to each of the furnaces. The steel company produces 4500 tons per day o~ iron from these two furnaces, using 110,000 qallons of oil and requirinq a total of about 26 qallons of treatinq solution. A Gaulin homoqenizer mixes the oil with 3300 gallons of water (3%
hased on the oil) or about 1 gallon of solution per 127 gallons Gf homogenizinq water. The treating solution is fed into the latter water. In these two furnaces the carbon source are fuel oil and coke, with the'oil the less expensive of the two. In the additive, the copper sulfate functions in the known way, namely, as a carbon ignition temperatyre depressànt, and the manganese sulfate in its ~v~*~
known way, namely, as a combl~stion catalyst. In addition, the use of the additive alloJs a greater proportion of oil (to coke) to be used.
Althouqh the above example is specific to a blast furnace, the invention is broadly applicable to any oil-fired furnace. It has particular utilitv in oil-fired utility boilers.
A large utility boiler, e. g., 500 megawatts, may burn about 180,000 lbs. fuel oil/hour, via several burners, each fed by an oil-water homogenizer. This invention can be used to feed additive into one or more of such homogenizers.
The invention is not limited to the use of oil-water homogenizers. It is also applicable to homogenizers for dispersion of sludge and carbonaceous materials.
Suitably, the total water going into the homogenizer, includinq that with the additive, is about 0.2-10% by volume of the oil, and the additive solution is about 0.01-20% by volume of the total water.
~o~
~ . Emulsions, in which oil is the continuous phase, with aqueous salt solutions emulsified into the oil (see Canadian Patent 976,755). These emulsions are not, in our experience, completely stable.
Our invention dispenses completely with any oil in the treatment; we feed the additive in water to the oil beinq used to fire the boiler.
Preferably, a feed solution of the additive in water is made up, and this is metered to the water fed to the homo~enizer. However, it is possible to feed directly to the oil line ahead of the homogenizer.
Example 1 The invention is used by a steel producer in two blast furnaces. A water solution of 10~ copper sulfate and 20%
manganese sulfate is fed at the rate of one gallon per 4000 qallons of residual fuel oil to each of the furnaces. The steel company produces 4500 tons per day o~ iron from these two furnaces, using 110,000 qallons of oil and requirinq a total of about 26 qallons of treatinq solution. A Gaulin homoqenizer mixes the oil with 3300 gallons of water (3%
hased on the oil) or about 1 gallon of solution per 127 gallons Gf homogenizinq water. The treating solution is fed into the latter water. In these two furnaces the carbon source are fuel oil and coke, with the'oil the less expensive of the two. In the additive, the copper sulfate functions in the known way, namely, as a carbon ignition temperatyre depressànt, and the manganese sulfate in its ~v~*~
known way, namely, as a combl~stion catalyst. In addition, the use of the additive alloJs a greater proportion of oil (to coke) to be used.
Althouqh the above example is specific to a blast furnace, the invention is broadly applicable to any oil-fired furnace. It has particular utilitv in oil-fired utility boilers.
A large utility boiler, e. g., 500 megawatts, may burn about 180,000 lbs. fuel oil/hour, via several burners, each fed by an oil-water homogenizer. This invention can be used to feed additive into one or more of such homogenizers.
The invention is not limited to the use of oil-water homogenizers. It is also applicable to homogenizers for dispersion of sludge and carbonaceous materials.
Suitably, the total water going into the homogenizer, includinq that with the additive, is about 0.2-10% by volume of the oil, and the additive solution is about 0.01-20% by volume of the total water.
Claims (8)
1. The method of introducing a water-soluble fireside additive into an oil-fired furnace equipped with an homo-genizer, fuel feed comprising adding the additive as an aqueous solution into the homogenizer, homogenizing said solution with oil and water and feeding the homogenized product to the furnace burner.
2. Method according to Claim 1 in which the total water going into the homogenizer, including that with the additive, is about 0.2 to 10% by volume of the oil.
3. Method according to Claim 2 in which the additive solution is about 0.01 to 20% volume of the total water.
4. Method according to Claim 1 in which the additive is a member selected from the group consisting of a salt of Mn, Cu, Mg, Al, Fe, Pb, Zn, and mixes thereof.
5. Method according to Claim 4 in which the salt is a sulfate.
6. Method according to Claim 5 in which the additive is a mixture of 10% copper sulfate and 20% manganese sulphate in water, added at the rate of one gallon of said solution per 4000 gallons of oil to the furnace.
7. Method according to Claim 6 in which the solution of additive is added to water in the homogenizer in gallons at the rate of about 1:127.
8. Method according to Claim 4 in which the additive:
total water weight ratio is about 3:7.
total water weight ratio is about 3:7.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US90,732 | 1979-11-02 | ||
| US06/090,732 US4375359A (en) | 1979-11-02 | 1979-11-02 | Water based fireside additive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1160145A true CA1160145A (en) | 1984-01-10 |
Family
ID=22224052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000355893A Expired CA1160145A (en) | 1979-11-02 | 1980-07-10 | Water based fireside additive |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4375359A (en) |
| CA (1) | CA1160145A (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0159333B1 (en) * | 1983-10-05 | 1988-03-02 | The Lubrizol Corporation | Manganese and copper containing compositions |
| US5513584A (en) * | 1986-06-17 | 1996-05-07 | Intevep, S.A. | Process for the in-situ production of a sorbent-oxide aerosol used for removing effluents from a gaseous combustion stream |
| US4976745A (en) * | 1986-06-17 | 1990-12-11 | Domingo Rodriguez | Process for stabilizing a hydrocarbon in water emulsion and resulting emulsion product |
| US5499587A (en) * | 1986-06-17 | 1996-03-19 | Intevep, S.A. | Sulfur-sorbent promoter for use in a process for the in-situ production of a sorbent-oxide aerosol used for removing effluents from a gaseous combustion stream |
| EP0533652B1 (en) * | 1988-03-10 | 1995-03-29 | Siemens Aktiengesellschaft | Process and device for operating a gas turbine with introduction of additives |
| FR2637909A1 (en) * | 1988-10-18 | 1990-04-20 | Rouet Jean | Combustion additives containing metal derivatives, process for their manufacture and their use |
| US6077325A (en) * | 1998-06-09 | 2000-06-20 | Betzdearborn Inc. | Method of adding coal combustion enhancer to blast furnace |
| WO2008103063A1 (en) * | 2007-02-22 | 2008-08-28 | Mihai Suta | Process for reducing polluting emissions and greenhouse effect gas emissions, resulting from combustibles burning |
| CN105156209B (en) * | 2015-07-14 | 2019-03-26 | 深圳市前海万绿源环保科技有限公司 | A kind of carbon remover medicament and its remove carbon method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3089539A (en) * | 1955-06-27 | 1963-05-14 | Texaco Inc | Method and fuel for operating combustion equipment |
| US3120864A (en) * | 1962-03-05 | 1964-02-11 | Christian G Teufel | Apparatus for the introduction of a liquid having solid particles into a desired zone |
-
1979
- 1979-11-02 US US06/090,732 patent/US4375359A/en not_active Expired - Lifetime
-
1980
- 1980-07-10 CA CA000355893A patent/CA1160145A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4375359A (en) | 1983-03-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |