US3002825A - Fuel oil additive for preventing wear in diesel engines and gas turbines - Google Patents

Fuel oil additive for preventing wear in diesel engines and gas turbines Download PDF

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US3002825A
US3002825A US456051A US45605154A US3002825A US 3002825 A US3002825 A US 3002825A US 456051 A US456051 A US 456051A US 45605154 A US45605154 A US 45605154A US 3002825 A US3002825 A US 3002825A
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fuel oil
oil
fuel
emulsion
oil additive
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US456051A
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Robert S Norris
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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
    • C10L10/08—Use of additives to fuels or fires for particular purposes for improving lubricity; for reducing wear
    • 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
    • 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
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds

Definitions

  • V sidual type fuels contain some percentage of vanadium and sodium which, in the form of vanadium pentoxide and sodium sulphate, respectively, in the fuel ash, react with ferrous metals and alloys to produce surface and depth corrosion to the ferrous metal or alloy parts, such as cylinders, piston rings and valves in a diesel engine; to the nozzles and the rotor buckets in a gas turbine; and the fire side of boiler tubes and superheater tubes in a high pressure steam boiler.
  • alkaline metallic water soluble salts such as calcium acetate, calcium formiate, barium acetate, magnesium acetate, magnesium sulphate
  • calcium sulfonate preferably basic calcium sulfonate, rather than neutral
  • viscosity 60 to 250 seconds at 100 degrees F.
  • the invention incorporates calcium acetate into the formulation, although comparable results can be obtained with the other salts disclosed, the presence of these low molecular weight salts imparting an anti-wear property when in the presence of metallic sulfonates.
  • Example An aqueous solution of purified calcium acetate was prepared to a concentration of twenty-five percent by Weight. This aqueous base solution was slowly added to basic calcium sulfonate, using a mixer or paddle, in the ratio of 3 parts by volume of the aqueous solution of calcium acetate to one part of the basic calcium sulfonate until a coarse emulsion was prepared. To this coarse emulsion a light naphthenic type neutral oil of approximately 100 S.S.U. viscosity at 100 degrees F. was added in the ratio of 60 percent oil to 40 percent emulsion, stirring with addition, and homogenizing by means of a gear pump.
  • the resulting emulsion was about the viscosity of an S.A.E. 20 motor oil and was stable on storage at temperatures from -40 degrees F. to 200 degrees F. without any water or oil separation.
  • the additive when blended to the above formulation had a sulfated residue of approximately percent.
  • the ratio of additive to fuel oil may be increased or decreased from the ratio of 1 to 1,000.
  • the fuel oil additive formulated above by virtue of its containing metallic sulfonates dissolves the remaining particles of Water in the fuel, permitting the sulfonates to preferentially Wet with oil the close fitting parts in the injection system of the diesel engine or gas turbine, thus preventing corrosion or rust formation on these parts.
  • a fuel-oil additive consisting essentially of a waterin-oil emulsion, including a basic calcium sulfonate as an emulsifying agent, the water phase of the emulsion being about a 25% aqueous solution of a Water-soluble salt of a metal selected from the class consisting of calcium, barium, and magnesium; the oil phase being a light naphthenic neutral oil present in the amount of about 60% by volume of the total emulsion and the Water phase being present in the amount of about of the total emulsion.

Description

3,002,825 1 FUEL OIL ADDITIVE FOR PREVENTING WEAR IN DIESEL ENGINES AND GAS TURBINES Robert S. Norris, 26 Valley Road, Larchmont, N.Y. No Drawing. Filed Sept. 14, 1954, Ser. No. 456,051 2 Claims. (CI. 44-51) the cylinders and piston rings. Furthermore. most V sidual type fuels contain some percentage of vanadium and sodium which, in the form of vanadium pentoxide and sodium sulphate, respectively, in the fuel ash, react with ferrous metals and alloys to produce surface and depth corrosion to the ferrous metal or alloy parts, such as cylinders, piston rings and valves in a diesel engine; to the nozzles and the rotor buckets in a gas turbine; and the fire side of boiler tubes and superheater tubes in a high pressure steam boiler.
It is accordingly a principal object of the present invention to provide a fuel oil additivewhich, when intro duced into the fuel oil, will limit the corrosive effects attributed to the aforementioned sulphur, vanadium and sodium compounds present in these fuels.
It is another object of the present invention to provide a fuel oil additive which will improve the operation of diesel engines and gas turbines and particularly the operation of those diesel engines and gas turbines buming heavy residual type fuel oils or blends of these heavy fuels with distillate fuels.
It is still another object of the present invention to provide a fuel oil additive of the above type, the application of which is not limited to heavy fuels but wherein improved operation will be obtained when used with well refined distillate fuels, although to a lesser extent.
It is still another object of the present invention to provide a fuel oil additive which will reduce the pitting and corrosion of the fire side of boiler tubes and superheater tubes in high pressure steam boilers such as those generating steam for steam turbines, where heavy underboiler or bunker C type fuels are used.
Another problem of serious concern to the operators and builders of diesel engines, when burning high sulphur fuels, is the rapid rise in acid number of the crank case lubricating oil due to the acidic by-products of combustion and other fuel contamination which gets into the crank case and piston cooling oil.
It is accordingly another object of the present invention to provide an alkaline fuel oil additive which minimizes the acidic by-products of combustion and contaminants which get into the crank case and circulating lubricating oil.
It is still another object of the present invention to provide a fuel oil additive which, due to the detergent dispersant nature thereof, will, when used with fuel oils, tend to disperse the carbon particles and ash-forming particles and thereby promoting better injection characteristics, minimizing injector fouling and preventing sticking in the diesel engine. Also, as a result of this better dispersion characteristic imparted to the fuel by the additive, an improved and more complete combustion will be provided in the combustion chamber of the diesel engine.
The most eflicient centrifuge and purification equipment available for installation at the diesel engine opera- Patented Oct. 3, 1961 tors plant is unable to remove all of the Water and dissolved harmful particles present in residual type fuel oils. After the fuel oil is centrifuged and purified at the location of the diesel engine operators plant, there still remains in the fuel oil from one hundred to five hundred parts per million of water.
It is still another object of the present invention to provide a fuel oil additive which will take these water particles and put them into solution with the fuel oil, rendering them less harmful when injected into the combustion chamber, and which will prevent corrosion from taking place on the close fitting parts of the fuel injection system.
It is still another object of the present invention to provide a fuel oil additive which during times of national emergency will conserve critical alloy metals that might be affected and which would otherwise wear and corrode.
It is still another object of the present invention to provide a fuel oil additive which duringTim'es ofnationai emergency would permit residual type fuels and lower quality fuels to be used more satisfactorily than heretofore in diesel engines and gas turbines, thereby releasing more distillate fuels for jet aircraft and other prime movers specifically requiring highly refined fuels.
Other objects and the advantages and nature of my improved fuel additive will be apparent from the following description of the ingredients making up the same, the proportions thereof, the method of preparation, and the manner in which the aforesaid fuel additive is to be used.
I have discovered that alkaline metallic water soluble salts, such as calcium acetate, calcium formiate, barium acetate, magnesium acetate, magnesium sulphate, when dissolved in an aqueous solution of approximately twentyfive percent concentration will emulsify with calcium sulfonate (preferably basic calcium sulfonate, rather than neutral) and when reduced in viscosity with a light naphthenic type pale neutral oil of S.S.U. viscosity of 60 to 250 seconds at 100 degrees F. may be added to fuel oils to promote the foregoing Objects. In view of the rel ative costs and availability of the water soluble salts referred to above, the invention incorporates calcium acetate into the formulation, although comparable results can be obtained with the other salts disclosed, the presence of these low molecular weight salts imparting an anti-wear property when in the presence of metallic sulfonates.
The following example is further illustrative of the invention, and it will be understood that the invention is not limited thereto:
Example An aqueous solution of purified calcium acetate was prepared to a concentration of twenty-five percent by Weight. This aqueous base solution was slowly added to basic calcium sulfonate, using a mixer or paddle, in the ratio of 3 parts by volume of the aqueous solution of calcium acetate to one part of the basic calcium sulfonate until a coarse emulsion was prepared. To this coarse emulsion a light naphthenic type neutral oil of approximately 100 S.S.U. viscosity at 100 degrees F. was added in the ratio of 60 percent oil to 40 percent emulsion, stirring with addition, and homogenizing by means of a gear pump.
The resulting emulsion was about the viscosity of an S.A.E. 20 motor oil and was stable on storage at temperatures from -40 degrees F. to 200 degrees F. without any water or oil separation. The additive when blended to the above formulation had a sulfated residue of approximately percent.
When the above additive was introduced into residual type fuel oil in the ratio of one gallon of additive to 1,000 gallons of fuel oil, it imparted to the fuel oil approximately 85 parts per million of basic calcium particles. These calcium particles imparted to the fuel oil an anti- Wear benefit to the cylinders, piston rings and valves of a diesel engine; reducing the harmful corrosive efiectsof the sulphur, vanadium and sodium compounds on the nozzles and rotor buckets in gas turbines; and reducmg similar corrosive effects by these compounds on boiler tubes and superheater tubes in a high pressure steam generating boiler.
Depending on the nature and quantity of harmful compounds in the fuel oil, the ratio of additive to fuel oil, as mentioned above, may be increased or decreased from the ratio of 1 to 1,000.
The fuel oil additive formulated above by virtue of its containing metallic sulfonates dissolves the remaining particles of Water in the fuel, permitting the sulfonates to preferentially Wet with oil the close fitting parts in the injection system of the diesel engine or gas turbine, thus preventing corrosion or rust formation on these parts.
While the invention has been described with reference to a particular example and embodiment, it will be ap parent to those skilled in the art, that various modifications may be made, and equivalents substituted therefor, Without departing from the principles and true nature of the present invention.
Having thus set forth and disclosed the nature of my invention, what is claimed is:
1. A fuel-oil additive consisting essentially of a waterin-oil emulsion, including a basic calcium sulfonate as an emulsifying agent, the water phase of the emulsion being about a 25% aqueous solution of a Water-soluble salt of a metal selected from the class consisting of calcium, barium, and magnesium; the oil phase being a light naphthenic neutral oil present in the amount of about 60% by volume of the total emulsion and the Water phase being present in the amount of about of the total emulsion.
2. The additive emulsion of claim 1 in which the calcium sulfonate is present in the amount of one part to each three parts by volume of the aqueous solution and the said water-soluble salt is calcium acetate.
References Cited in the file of this patent UNITED STATES PATENTS 2,528,605 Partridge Nov. 7, 1950 2,626,207 Wies Jan. 20, 1953 2,671,758 Vinograd Mar. 9, 1954 FOREIGN PATENTS 689,579 Great Britain Apr. 1, 1953 705,176 Great Britain Mar. 10, 1954 OTHER REFERENCES Emulsions and Foams, by Berkman et al., Reinhold Pub. Co., 1941, page 439.

Claims (1)

1. A FUEL-OIL ADDITIVE CONSISTING ESSENTIALLY OF A WATERIN-OIL EMULSION, INCLUDING A BASIC CALCIUM SULFONATE AS AN EMULSIFYING AGENT, THE WATER PHASE OF THE EMULSION BEING ABOUT A 25% AQUEOUS SOLUTION OF A WATER-SOLUBLE SALT OF A METAL SELECTED FROM THE CLASS CONSISTING OF CALCIUM, BARIUM, AND MAGNESIUM, THE OIL PHASE BEING A LIGHT NAPHTHENIC NEUTRAL OIL PRESENT IN THE AMOUNT OF ABOUT 60% BY VOLUME OF THE TOTAL EMULSION AND THE WATER PHASE BEING PRESENT IN THE AMOUNT OF ABOUT 40% OF THE TOTAL EMULSION.
US456051A 1954-09-14 1954-09-14 Fuel oil additive for preventing wear in diesel engines and gas turbines Expired - Lifetime US3002825A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061473A (en) * 1975-08-21 1977-12-06 Norris Robert S Process to embody waste automotive lubricating oils into a fuel additive to reduce corrosion and deposits and augment energy availability
EP0013243A1 (en) * 1978-12-27 1980-07-09 Calgon Corporation Residual fuel oil conditioners containing metal salts in aqueous solution and method of improving combustion therewith
FR2637909A1 (en) * 1988-10-18 1990-04-20 Rouet Jean Combustion additives containing metal derivatives, process for their manufacture and their use
US5090966A (en) * 1987-04-23 1992-02-25 Bp Chemicals (Additives) Limited Fuel composition containing an additive for reducing valve seat recession
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2528605A (en) * 1945-09-21 1950-11-07 Anglo Iranian Oil Co Ltd Motor fuels
US2626207A (en) * 1948-09-17 1953-01-20 Shell Dev Fuel oil composition
GB689579A (en) * 1950-02-13 1953-04-01 Herbert Thomas Shirley Methods of minimising corrosion by scaling in combustion apparatus
US2671758A (en) * 1949-09-27 1954-03-09 Shell Dev Colloidal compositions and derivatives thereof
GB705176A (en) * 1951-02-26 1954-03-10 Standard Oil Dev Co Operation of oil-burning equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2528605A (en) * 1945-09-21 1950-11-07 Anglo Iranian Oil Co Ltd Motor fuels
US2626207A (en) * 1948-09-17 1953-01-20 Shell Dev Fuel oil composition
US2671758A (en) * 1949-09-27 1954-03-09 Shell Dev Colloidal compositions and derivatives thereof
GB689579A (en) * 1950-02-13 1953-04-01 Herbert Thomas Shirley Methods of minimising corrosion by scaling in combustion apparatus
GB705176A (en) * 1951-02-26 1954-03-10 Standard Oil Dev Co Operation of oil-burning equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061473A (en) * 1975-08-21 1977-12-06 Norris Robert S Process to embody waste automotive lubricating oils into a fuel additive to reduce corrosion and deposits and augment energy availability
EP0013243A1 (en) * 1978-12-27 1980-07-09 Calgon Corporation Residual fuel oil conditioners containing metal salts in aqueous solution and method of improving combustion therewith
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
US5090966A (en) * 1987-04-23 1992-02-25 Bp Chemicals (Additives) Limited Fuel composition containing an additive for reducing valve seat recession
FR2637909A1 (en) * 1988-10-18 1990-04-20 Rouet Jean Combustion additives containing metal derivatives, process for their manufacture and their use

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