US1369602A - Fuel-burner - Google Patents

Fuel-burner Download PDF

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Publication number
US1369602A
US1369602A US237794A US23779418A US1369602A US 1369602 A US1369602 A US 1369602A US 237794 A US237794 A US 237794A US 23779418 A US23779418 A US 23779418A US 1369602 A US1369602 A US 1369602A
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fuel
casing
burner
nozzle
air
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US237794A
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Walter O Amsler
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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
    • 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 
    • F23C2700/00—Special arrangements for combustion apparatus using fluent fuel
    • F23C2700/02—Combustion apparatus using liquid fuel
    • F23C2700/023—Combustion apparatus using liquid fuel without pre-vaporising means

Definitions

  • the prime object of my invention is to provide a new and improved fuel burner de signed to be employed for burning a. fluid fuel, as gas, a mixture of liquid and fluid fuels, as oil and gas, or pulverulent fuels, as powdered coal; and in which an induced air draft is utilized for introducing the fuel to a furnacewith a spiral or rotary motion.
  • Figure 1 is a part elevational and a part sectional view of a burner constructed in accordance with my invention
  • Fig. 2 is a part plan and a part horizontal sectional view of the form of Fig. 1;
  • Fig. 3 a vertical sectional view of a modified form of construction.
  • Fig. 1, 2 designates a burner casing or hollow body preferably having the air blast inlet 3 formed integral therewith, although said nozzle may be formed separately and secured to the casing in any suitable manner;
  • a characteristic and important feature of the present invention resides in disposing the inner end of the air blast nozzle 3 on a tangent with the interior of the hollow body or casing, whereby'when the air is introduced to the interior of the casing it will be given a spiral'or rotary motion.
  • Gate valve .4 is designed to operate in a gate frame 5. As illustrated, this frame is formed integral with the casing, constituting the body of' the burner and,
  • Gate valve 4 is pref erably arranged as shown, that is, in a plane inclined to the axis of the nozzle and close to the point of tangency and in a manner, when partially open, to'deflect the air thus aiding in giving the air the rotary move ment desired.
  • Casing 2 is provided with annular flanges 7 and 8.
  • Flange 7 is adapted to receive a similar flange 9 of the fuel nozzle. 10
  • said air under pressure introduced through the nozzle 3 will enter the annular chamber 12 and will, due to the disposition of inlet end of the nozzle relatively to the said chamber, travel in said chamber 12 with a spiral or rotary movement.
  • the burner 6, thus far described, is particularly adapted for burning gas as a fuel. It is sometimes desirable to mix with the gas a liquid fuel, as oil, and when oil is used, the oil is introduced to the chamher or annular passage 12 through one or more ports, as 13.
  • the burner nozzle 10 stops short of the end of the casing in order to permit the air blast to mix with the gas or the gas and oil prior to the mixture being ejected from the burner casing.
  • the burner structure is designed to be attached to the furnace by its flange 8, and I have found it unnecessary to employ a pipe extending from the burner into the interior'of the furnace, although a pipe may be connected with the burner and project for any desired distance into the interior of the furnace.
  • Fig. 3 I have shown a modified construction or,a burner particularly designed for use when powdered coal is employed as the fuel.
  • 2 designates the casing having its air inlet nozzle 3' formed integral fuel at any desired angle within the furnace.
  • suitable plugs When using gas alone or--other fluid as the fuel, suitable plugs, not shown, may be placed in the ports 13, through which the oil is introduced to the burner.
  • a fuel burner including a hollow casing having an air blast nozzle formed integral therewith, a fuel nozzle within and disposed concentrically of the" casing to form an elongated annular chamber between the fuel nozzle and the interior wall of the casing, said air blast nozzle arranged tangentially to the longitudinal axis of the hollow casing to produce a spiral movement of the air and fuel within the casing and as the mixture is ejected therefrom.
  • a fuel burner including a hollow casing, a nozzle for air inc'ommunication with the interior of the casing, a fuel nozzle within and disposed concentrically of the casing to form an elongated annular chamber between the fuel nozzle and the interior wall of the casing, said air blast nozzle arranged tangentially to the longitudinal axis of the hollow casing to produce a spiral movement of the air and fuel within the casing and as the mixture is ejected therefrom.
  • a fuel burner including a hollow casing having a flange at one end and formed with an air blast nozzle, a flanged fuel nozzle having its flange seated upon the flange of the casing and its body disposed within and concentrically of the casing, said air blast nozzle arranged tangentially .to the interior of the hollow casing.

Description

W. O. AMSLER.
FUEL BURNER.
APPLICATION FILED JUNE I. 1918- Patented Feb. 22, 1921.
WITNESSES WALTER O. AMSLER, OF EDGEWOOD, PENNSYLVANIA.
FUEL-BURNER.
Application filed June 1, 1918. Serial No. 237,794.
T 0 all whom it may concern:
Be it known that I, \VALTER O. AiisLnn, a citizen of the United States, residing at Edgewood, in the county of Allegheny and State of Pennsylvania, have invented certain new and useful Improvements in Fuel-Burners, of which the following is a specification. The prime object of my invention is to provide a new and improved fuel burner de signed to be employed for burning a. fluid fuel, as gas, a mixture of liquid and fluid fuels, as oil and gas, or pulverulent fuels, as powdered coal; and in which an induced air draft is utilized for introducing the fuel to a furnacewith a spiral or rotary motion. In the accompanying drawings, which illustrate applications of my invention,
Figure 1 is a part elevational and a part sectional view of a burner constructed in accordance with my invention;
Fig. 2 is a part plan and a part horizontal sectional view of the form of Fig. 1; and
Fig. 3, a vertical sectional view of a modified form of construction.
Referring to the drawing, and first to the form of Fig. 1, 2 designates a burner casing or hollow body preferably having the air blast inlet 3 formed integral therewith, although said nozzle may be formed separately and secured to the casing in any suitable manner;
A characteristic and important feature of the present invention resides in disposing the inner end of the air blast nozzle 3 on a tangent with the interior of the hollow body or casing, whereby'when the air is introduced to the interior of the casing it will be given a spiral'or rotary motion.
Passage of air through the nozzle and into the interior of the casing is controlled by a gate valve 1. Gate valve .4 is designed to operate in a gate frame 5. As illustrated, this frame is formed integral with the casing, constituting the body of' the burner and,
its nozzle. 6 designates a push rod for manipulating the valve. Gate valve 4 is pref erably arranged as shown, that is, in a plane inclined to the axis of the nozzle and close to the point of tangency and in a manner, when partially open, to'deflect the air thus aiding in giving the air the rotary move ment desired.
Casing 2 is provided with annular flanges 7 and 8. Flange 7 is adapted to receive a similar flange 9 of the fuel nozzle. 10 said air under pressure introduced through the nozzle 3 will enter the annular chamber 12 and will, due to the disposition of inlet end of the nozzle relatively to the said chamber, travel in said chamber 12 with a spiral or rotary movement. I The burner 6, thus far described, is particularly adapted for burning gas as a fuel. It is sometimes desirable to mix with the gas a liquid fuel, as oil, and when oil is used, the oil is introduced to the chamher or annular passage 12 through one or more ports, as 13. The burner nozzle 10 stops short of the end of the casing in order to permit the air blast to mix with the gas or the gas and oil prior to the mixture being ejected from the burner casing.
The burner structure is designed to be attached to the furnace by its flange 8, and I have found it unnecessary to employ a pipe extending from the burner into the interior'of the furnace, although a pipe may be connected with the burner and project for any desired distance into the interior of the furnace.
In the form of Fig. 3, I have shown a modified construction or,a burner particularly designed for use when powdered coal is employed as the fuel. Referring tothis modified form, 2 designates the casing having its air inlet nozzle 3' formed integral fuel at any desired angle within the furnace. I
When using gas alone or--other fluid as the fuel, suitable plugs, not shown, may be placed in the ports 13, through which the oil is introduced to the burner.
\Vhat I claim is 1. A fuel burner including a hollow casing having an air blast nozzle formed integral therewith, a fuel nozzle within and disposed concentrically of the" casing to form an elongated annular chamber between the fuel nozzle and the interior wall of the casing, said air blast nozzle arranged tangentially to the longitudinal axis of the hollow casing to produce a spiral movement of the air and fuel within the casing and as the mixture is ejected therefrom. r
2. A fuel burner including a hollow casing, a nozzle for air inc'ommunication with the interior of the casing, a fuel nozzle within and disposed concentrically of the casing to form an elongated annular chamber between the fuel nozzle and the interior wall of the casing, said air blast nozzle arranged tangentially to the longitudinal axis of the hollow casing to produce a spiral movement of the air and fuel within the casing and as the mixture is ejected therefrom.
3. A fuel burner including a hollow casing having a flange at one end and formed with an air blast nozzle, a flanged fuel nozzle having its flange seated upon the flange of the casing and its body disposed within and concentrically of the casing, said air blast nozzle arranged tangentially .to the interior of the hollow casing.
In testimony whereof I aflix my signature in presence of two witnesses.
WALTER O. AMSLER.
lVitnesses:
J. M. GEoGHEoAN, Lois W INEMAN.
US237794A 1918-06-01 1918-06-01 Fuel-burner Expired - Lifetime US1369602A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2723659A (en) * 1951-01-30 1955-11-15 Ozark Mahoning Co Submersible burner
US2782118A (en) * 1952-02-19 1957-02-19 Monsanto Chemicals Production of refractory metals
US2858779A (en) * 1951-11-19 1958-11-04 Bituminous Coal Research Powdered coal burner for pressurized combustors
US2963977A (en) * 1956-10-11 1960-12-13 Thompson Ramo Wooldridge Inc Pressure regulator
US3032096A (en) * 1953-05-01 1962-05-01 Minor W Stoul Combustion apparatus
US3195609A (en) * 1960-11-28 1965-07-20 Midland Ross Corp Self stabilizing radiant tube burner
US3404939A (en) * 1965-10-06 1968-10-08 Carrier Corp Fuel burner ignitor
US3868210A (en) * 1970-12-24 1975-02-25 Shell Oil Co Safety flare

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2723659A (en) * 1951-01-30 1955-11-15 Ozark Mahoning Co Submersible burner
US2858779A (en) * 1951-11-19 1958-11-04 Bituminous Coal Research Powdered coal burner for pressurized combustors
US2782118A (en) * 1952-02-19 1957-02-19 Monsanto Chemicals Production of refractory metals
US3032096A (en) * 1953-05-01 1962-05-01 Minor W Stoul Combustion apparatus
US2963977A (en) * 1956-10-11 1960-12-13 Thompson Ramo Wooldridge Inc Pressure regulator
US3195609A (en) * 1960-11-28 1965-07-20 Midland Ross Corp Self stabilizing radiant tube burner
US3404939A (en) * 1965-10-06 1968-10-08 Carrier Corp Fuel burner ignitor
US3868210A (en) * 1970-12-24 1975-02-25 Shell Oil Co Safety flare

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