US3088514A - Vaporizing burner with distributor block - Google Patents
Vaporizing burner with distributor block Download PDFInfo
- Publication number
- US3088514A US3088514A US830084A US83008459A US3088514A US 3088514 A US3088514 A US 3088514A US 830084 A US830084 A US 830084A US 83008459 A US83008459 A US 83008459A US 3088514 A US3088514 A US 3088514A
- Authority
- US
- United States
- Prior art keywords
- burner
- gas
- block
- conduit
- vaporizing chamber
- 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 - Lifetime
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Classifications
-
- 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
- F23C2700/026—Combustion apparatus using liquid fuel with pre-vaporising means
Definitions
- the liquid fuel is generally stored in suitable pressurized tanks.
- the liquid fuel is vaporized into a combustible gas by applying heat.
- the heat and continued vaporization of the liquid fuel is maintained by the combustion of the vaporized gas by a flame discharged from the nozzle of the burner.
- a very high degree of constant heat is required in many applications using butane or propane gas burners.
- one such application is in connection with heating kettles which are used for melting tar, asphalt or the like for highway maintenance, paving, roofing and waterproof operations.
- a projecting flame and heated gases are directed into an immersed melting member embodying a longitudinally extending flue near the bottom of the kettle and extending from end to end.
- the heating flue is designed to be totally immersed in the molten material, with the burner being provided in connection therewith for introducing the flame for heating.
- the configuration of the burner is often of an odd size or shape and must be designed to accommodate a particular type kettle or other container holding the material to be heated. In designing such burners, it is often necessary to have both the liquid and the vaporized gas travel relatively long distances through conduits or pipes.
- the vaporizing chamber of the burner surrounded the projecting flame and in effect actually became part of the combustion chamber. This arrangement often resulted in burnout of the vaporizing chamber due to carbonization of the liquid fuel in the chamber.
- conduits In many types of burners of odd sizes and shapes, especially those using long conduits or handles, the actual assembly of the burner during manufacture is often a problem. For example, the conduits must often be welded to various distributor blocks and other elements associated with the burner. Often the conduits must be surrounded by a long protective handle. In some cases,
- the handle has also served as one of the conduits for the burner.
- a butane or propane liquid fuel burner includes a tapered shape vaporizing chamber connected to a source of liquid fuel.
- a nozzle is disposed to project a flame adjacent the vaporizing chamber to heat the liquid fuel to transform it into a combustible gas.
- An adjustable valve controls the gas flow from a conduit of relatively large area to a conduit of relatively small area, with the latter conduit being connected to the nozzle of the burner.
- the conduit of relatively large area serves as a handle for the burner as well as a heat exchanger.
- a combustion chamber is adapted to be detachably mounted to the vaporizing chamber and may be of various sizes. The entire arrangement of the burner is designed to facilitate easy assembly of the various parts.
- FIGURE 1 is a longitudinal view, partly in cross section and partly broken away, of a burner illustrating one form of the present invention
- FIGURE 2 is a view taken along lines 22 of FIG- URE 1.
- a burner 10 includes a distributor block 12 connected to a source of liquid fuel (not shown) and a block 14 connected together by various conduits, as will be described.
- a cylindrical member 16 is welded or otherwise suitably attached to the block 14.
- An inner cylindrical member 18, of irregular shape, is attached to the block 14 and to the cylindrical member 16 to form a vaporizing chamber 26.
- the vaporizing chamber 26 is dimensioned to the size of apertures in the block 14 at one end and gradually becoming wider in dimensions towards its center. As the vaporizing chamber further extends away from the block 14, it becomes narrower and tapers to a I. point where it is attached to the cylindrical member 16.
- the irregular shape of the vaporizing chamber 26 formed by the cylindrical member 16 and the member 18 provides various advantages during burner operation, as will be described.
- the liquid fuel passes through an opening 20 in the distributor block 12, through a conduit 22, through an opening 24 in the block 14 and into the vaporizing chamber 26.
- the conduit 22 may be a long tubular element welded or otherwise suitably attached to the distributor block 12 and the member or block 14.
- the slip connector 36 is welded to the tubing 34.
- the particular arrangement of the tubing 34 and the slip connector 36 facilitates the assembly of the burner, as will be described.
- the gas from the chamber 32 then passes through an opening 38 in the distributor block 12 to an adjustable valve 40.
- the valve 40 may be set to various positions to control the amout of gas flowing from the opening 38 to a. conduit 42.
- the conduit 42 is suitably attached to the distributor block 12 and the block 14 and provides means for transferring the gas from the valve 40 to an opening 44 in the block 14 which leads to the nozzle 28.
- the block 14 includes a number of apertures 46 to permit air to pass through the block 14 to support the combustion of the gas during burner operation. While these apertures are shown as circular, as they would be if they were drilled, it is obvious that one or any number of openings of different sizes may be employed.
- a cylindrical member 48 is detachably mounted to the member 16.
- the member 16 includes a ring 52 rigidly welded to its outer periphery having openings to permit screws 52 to pass therethrough.
- the member, numbered 48, forming the combustion chamber for the burner, includes a ring 54 welded to its inner periphery.
- the ring 54 includes tapped openings which are adapted to receive the screws 52 to hold the member 48 attached to the member 16.
- the burner 10 may be considered as including three conduits.
- the first conduit includes the tubing 22 which leads the liquid fuel to the vaporizing chamber 26.
- the second conduit includes the tubing 34 which leads the gas from the vaporizing chamber to the control valve 40.
- the third conduit includes the tubing 42 which leads the gas from the control valve 40 to the nozzle 28.
- a single control valve is preferred in the present invention to eliminate any hazard of disconnecting the burner with the main fuel supply on.
- conduit leading from the vaporizing chamber to the control valve is relatively large. This arrangement assures adequate area to permit full expansion of the gas after the liquid fuel has been vaporized. The tendency of the fuel to remain in its liquid state to cause faulty burner operation is thereby minimized.
- the relatively large heat exchange area provided by the tubing 34 also makes it possible to provide micrometer adjustment of the control valve 40 in controlling the amount of gas into the burner nozzle. Because the gas flows from a relatively large area 32 into a relatively small area of the tubing 42, this fine degree of control of gas flow is possible. In some of the burners used heretofore, the flow of gas was from a small to a large area, making it impractical to provide adequate control of the gas fiow. It is noted that the tubing 34 may also serve as the handle for the burner. The tubing 34 may be considered as the main member.
- the irregular shape of the vaporizing chamber 26 formed by the members 16 and 18 help to prevent burnout resulting from carbonization of the liquid fuel Within the vaporizing chamber.
- the member 18 is tapered as it extends away from the block 14. This arrangement keeps the vaporizing chamber substantially out of the path of a projecting flame from the nozzle 28. Heretofore in many cases, the flame from the nozzle was within the vaporizing chamber area and often caused carbonization and burnout of the vaporizing chamber assoa problem.
- the arrangement of the tubing 34 and slip connector 36 in the present invention helps to minimize this problem. In assembling the burner shown, the tubing 34 and connector 36 may be held loosely surrounding the inner conduits or tubings 22 and 42 while these conduits are welded to the blocks 12 and 14.
- the top of the tubing 34 may be welded to the block 12 and the bottom of the slip connector may be welded to the block 14.
- the slip connector 36 may then be welded to the tubing 34.
- Spacer rings to provide openings, such as 24 and 30, are not necessary because the openings may be drilled with the exteriors of the openings being plugged or welded, as illustrated by a weld connection 56.
- the all welded construction of the burner shown eliminates the need for field adjustments as the burner is actually a sealed unit.
- the use of weld connections after drilling helps to avoid mechanical closing after drilling and minimizes the danger of hazardous gas leaks due to heat or thread burnout.
- the main portion of the burner including the member 16 and the member 48 are shown in direct line with the conduits. These members may be at right angles with respect to each other, or any other desired angle, with respect to the conduits. Various different means may be employed to connect the member 48 to the member 16.
- a burner comprising a block member having apertures therein to permit the passage of air therethrough, a vaporizing chamber connected to said block member, a first conduit for connecting a source of liquid fuel to said vaporizing chamber through said block member, a nozzle centrally disposed on said block member and extending towards said vaporizing chamber for projecting a flame to heat said liquid fuel to transform said liquid fuel into a combustible gas, said vaporizing chamber being tapered to be out of the direct path of said projecting fiame, a distributor block, an adjustable valve for controlling gas flow included in said distributor block, a second conduit of relatively large area for conducting said combustible gas from said vaporizing chamber to said valve, a third conduit of relatively small area with respect to said second conduit for conducting said combustible gas from said valve to said nozzle, a slip connector, said second conduit including a main tube member connected to said slip connector, said second conduit and said slip connector surrounding said first and third conduits, the main tube member being connected to said distributor block and the slip connector being connected
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles For Spraying Of Liquid Fuel (AREA)
Description
y 1963 E. F. FEILBACH 35088514 VAPORIZING BURNER WITH DISTRIBUTOR BLOCK Filed July 28, 1959 INVENTOR. EARL F. FEILBACH A rog/v5 7 United States Patent 3,088,514 VAPORIZIWG BURNER WITH DISTRIBUTQR BLOCK Earl Fredrick Feilbach, Broadway, Washington Township, NJ. Filed July 28, 1959, Ser. No. 830,084 1 Claim. (Cl. 158-53) This invention relates to liquid burners, and more particularly, to vaporizing burners which use liquefied butane or propane gas.
Burners utilizing butane, propane and other types of liquid fuel which are readily vaporized into gas, are well known. In these types of burners, the liquid fuel is generally stored in suitable pressurized tanks. During operation, the liquid fuel is vaporized into a combustible gas by applying heat. The heat and continued vaporization of the liquid fuel is maintained by the combustion of the vaporized gas by a flame discharged from the nozzle of the burner.
A very high degree of constant heat is required in many applications using butane or propane gas burners. For example, one such application is in connection with heating kettles which are used for melting tar, asphalt or the like for highway maintenance, paving, roofing and waterproof operations. In these, as well as other applications, a projecting flame and heated gases are directed into an immersed melting member embodying a longitudinally extending flue near the bottom of the kettle and extending from end to end. The heating flue is designed to be totally immersed in the molten material, with the burner being provided in connection therewith for introducing the flame for heating. The configuration of the burner is often of an odd size or shape and must be designed to accommodate a particular type kettle or other container holding the material to be heated. In designing such burners, it is often necessary to have both the liquid and the vaporized gas travel relatively long distances through conduits or pipes.
An undesirable feature found in many burners used heretofore is the poor degree of control of the flow of the gas into the burner nozzle. Among the reasons for this poor cont-r01 in many cases is that the nozzle of the burner has been directly connected to a large enclosure or conduit with the vaporized gas passing into a large enclosure or conduit from a relatively small enclosure or conduit through a manipulatable valve. With the vaporized gas passing from a relatively small conduit to a large conduit, a fine degree of control of the flow of gas to the burner nozzle was not practical.
It is an object of this invention to provide a liquid gas burner having an improved means for controlling the flow of gas to the burner nozzle.
In some types of burners used heretofore, the vaporizing chamber of the burner surrounded the projecting flame and in effect actually became part of the combustion chamber. This arrangement often resulted in burnout of the vaporizing chamber due to carbonization of the liquid fuel in the chamber.
It is a further object of this invention to provide an improved gas burner using liquid fuel in which the likelihood of burnout of the vaporizing chamber due to carbonization of the liquid fuel is minimized.
In many types of burners of odd sizes and shapes, especially those using long conduits or handles, the actual assembly of the burner during manufacture is often a problem. For example, the conduits must often be welded to various distributor blocks and other elements associated with the burner. Often the conduits must be surrounded by a long protective handle. In some cases,
the handle has also served as one of the conduits for the burner.
It is still a further object of this invention to provide an improved liquid gas burner in which the assembly of the burner is facilitated.
Many different types of jobs require different amounts of heat. In such cases, it is desirable to have a universal type burner adaptable to use combustion chambers of various sizes.
It is still a further object of this invention to provide an improved standard type liquid burner adapted to provide combustion chambers of different sizes.
In accordance with the present invention, a butane or propane liquid fuel burner includes a tapered shape vaporizing chamber connected to a source of liquid fuel. A nozzle is disposed to project a flame adjacent the vaporizing chamber to heat the liquid fuel to transform it into a combustible gas. An adjustable valve controls the gas flow from a conduit of relatively large area to a conduit of relatively small area, with the latter conduit being connected to the nozzle of the burner. The conduit of relatively large area serves as a handle for the burner as well as a heat exchanger. A combustion chamber is adapted to be detachably mounted to the vaporizing chamber and may be of various sizes. The entire arrangement of the burner is designed to facilitate easy assembly of the various parts.
Other objects and advantages of the present invention will be apparent and such suggest themselves to those skilled in the art, from a reading of the following specification and claim in conjunction with the accompanying drawing, in which:
FIGURE 1 is a longitudinal view, partly in cross section and partly broken away, of a burner illustrating one form of the present invention, and
FIGURE 2 is a view taken along lines 22 of FIG- URE 1.
Referring to the drawing, a burner 10 includes a distributor block 12 connected to a source of liquid fuel (not shown) and a block 14 connected together by various conduits, as will be described.
A cylindrical member 16 is welded or otherwise suitably attached to the block 14. An inner cylindrical member 18, of irregular shape, is attached to the block 14 and to the cylindrical member 16 to form a vaporizing chamber 26. The vaporizing chamber 26 is dimensioned to the size of apertures in the block 14 at one end and gradually becoming wider in dimensions towards its center. As the vaporizing chamber further extends away from the block 14, it becomes narrower and tapers to a I. point where it is attached to the cylindrical member 16.
The irregular shape of the vaporizing chamber 26 formed by the cylindrical member 16 and the member 18 provides various advantages during burner operation, as will be described.
During burner operation, the liquid fuel passes through an opening 20 in the distributor block 12, through a conduit 22, through an opening 24 in the block 14 and into the vaporizing chamber 26. The conduit 22 may be a long tubular element welded or otherwise suitably attached to the distributor block 12 and the member or block 14.
x? ized into a combustible gas.
3 nected between the distributor block 12 and the block 14. As shown, the slip connector 36 is welded to the tubing 34. The particular arrangement of the tubing 34 and the slip connector 36 facilitates the assembly of the burner, as will be described.
The gas from the chamber 32 then passes through an opening 38 in the distributor block 12 to an adjustable valve 40. The valve 40 may be set to various positions to control the amout of gas flowing from the opening 38 to a. conduit 42. The conduit 42 is suitably attached to the distributor block 12 and the block 14 and provides means for transferring the gas from the valve 40 to an opening 44 in the block 14 which leads to the nozzle 28.
The block 14 includes a number of apertures 46 to permit air to pass through the block 14 to support the combustion of the gas during burner operation. While these apertures are shown as circular, as they would be if they were drilled, it is obvious that one or any number of openings of different sizes may be employed.
A cylindrical member 48 is detachably mounted to the member 16. The member 16 includes a ring 52 rigidly welded to its outer periphery having openings to permit screws 52 to pass therethrough. The member, numbered 48, forming the combustion chamber for the burner, includes a ring 54 welded to its inner periphery. The ring 54 includes tapped openings which are adapted to receive the screws 52 to hold the member 48 attached to the member 16.
In operation, the burner 10 may be considered as including three conduits. The first conduit includes the tubing 22 which leads the liquid fuel to the vaporizing chamber 26. The second conduit includes the tubing 34 which leads the gas from the vaporizing chamber to the control valve 40. The third conduit includes the tubing 42 which leads the gas from the control valve 40 to the nozzle 28. A single control valve is preferred in the present invention to eliminate any hazard of disconnecting the burner with the main fuel supply on.
It is noted that an important feature of the present invention is that the conduit leading from the vaporizing chamber to the control valve is relatively large. This arrangement assures adequate area to permit full expansion of the gas after the liquid fuel has been vaporized. The tendency of the fuel to remain in its liquid state to cause faulty burner operation is thereby minimized.
The relatively large heat exchange area provided by the tubing 34 also makes it possible to provide micrometer adjustment of the control valve 40 in controlling the amount of gas into the burner nozzle. Because the gas flows from a relatively large area 32 into a relatively small area of the tubing 42, this fine degree of control of gas flow is possible. In some of the burners used heretofore, the flow of gas was from a small to a large area, making it impractical to provide adequate control of the gas fiow. It is noted that the tubing 34 may also serve as the handle for the burner. The tubing 34 may be considered as the main member.
The irregular shape of the vaporizing chamber 26 formed by the members 16 and 18 help to prevent burnout resulting from carbonization of the liquid fuel Within the vaporizing chamber. The member 18 is tapered as it extends away from the block 14. This arrangement keeps the vaporizing chamber substantially out of the path of a projecting flame from the nozzle 28. Heretofore in many cases, the flame from the nozzle was within the vaporizing chamber area and often caused carbonization and burnout of the vaporizing chamber assoa problem. The arrangement of the tubing 34 and slip connector 36 in the present invention helps to minimize this problem. In assembling the burner shown, the tubing 34 and connector 36 may be held loosely surrounding the inner conduits or tubings 22 and 42 while these conduits are welded to the blocks 12 and 14. The freedom of movement of the tubing 36 up or down makes this possible. After the tubings 22 and 42 are welded in place, the top of the tubing 34 may be welded to the block 12 and the bottom of the slip connector may be welded to the block 14. The slip connector 36 may then be welded to the tubing 34.
Various other features facilitate the manufacture and assembly of the burner shown. Spacer rings to provide openings, such as 24 and 30, are not necessary because the openings may be drilled with the exteriors of the openings being plugged or welded, as illustrated by a weld connection 56. The all welded construction of the burner shown eliminates the need for field adjustments as the burner is actually a sealed unit. The use of weld connections after drilling helps to avoid mechanical closing after drilling and minimizes the danger of hazardous gas leaks due to heat or thread burnout.
The arrangement involving the connection of the cylindrical member 48 makes it possible to provide combustion chambers of various sizes with the same basic burner. Thus a standard burner may be used and adapted to jobs requiring different size combustion chambers.
It is apparent to those skilled in the art that various modifications to the embodiment shown may be employed without departing from the scope of the present invention. For example, the main portion of the burner including the member 16 and the member 48 are shown in direct line with the conduits. These members may be at right angles with respect to each other, or any other desired angle, with respect to the conduits. Various different means may be employed to connect the member 48 to the member 16.
What is claimed is:
A burner comprising a block member having apertures therein to permit the passage of air therethrough, a vaporizing chamber connected to said block member, a first conduit for connecting a source of liquid fuel to said vaporizing chamber through said block member, a nozzle centrally disposed on said block member and extending towards said vaporizing chamber for projecting a flame to heat said liquid fuel to transform said liquid fuel into a combustible gas, said vaporizing chamber being tapered to be out of the direct path of said projecting fiame, a distributor block, an adjustable valve for controlling gas flow included in said distributor block, a second conduit of relatively large area for conducting said combustible gas from said vaporizing chamber to said valve, a third conduit of relatively small area with respect to said second conduit for conducting said combustible gas from said valve to said nozzle, a slip connector, said second conduit including a main tube member connected to said slip connector, said second conduit and said slip connector surrounding said first and third conduits, the main tube member being connected to said distributor block and the slip connector being connected to said block member.
References Cited in the file of this patent UNITED STATES PATENTS 1,460,630 Wiederwax July 3, 1923 1,702,731 Hymer Feb. 19, 1929 2,855,987 Sehylander Oct. 14, 1958 FOREIGN PATENTS 189,094 Switzerland Apr. 16, 1937
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US830084A US3088514A (en) | 1959-07-28 | 1959-07-28 | Vaporizing burner with distributor block |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US830084A US3088514A (en) | 1959-07-28 | 1959-07-28 | Vaporizing burner with distributor block |
Publications (1)
Publication Number | Publication Date |
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US3088514A true US3088514A (en) | 1963-05-07 |
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ID=25256272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US830084A Expired - Lifetime US3088514A (en) | 1959-07-28 | 1959-07-28 | Vaporizing burner with distributor block |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060088794A1 (en) * | 2004-10-26 | 2006-04-27 | Purcell James R | Superheating burner with turbulence ring |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1460630A (en) * | 1921-07-25 | 1923-07-03 | Geist Mfg Company | Oil burner |
US1702731A (en) * | 1929-02-19 | Method of and apparatus for combustion otf | ||
CH189094A (en) * | 1936-03-14 | 1937-02-15 | G Lieber Jean | Installation with mobile burner burning liquid fuel. |
US2855987A (en) * | 1956-07-16 | 1958-10-14 | Rune L Schylander | Liquid butane or propane vaporizing burner |
-
1959
- 1959-07-28 US US830084A patent/US3088514A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1702731A (en) * | 1929-02-19 | Method of and apparatus for combustion otf | ||
US1460630A (en) * | 1921-07-25 | 1923-07-03 | Geist Mfg Company | Oil burner |
CH189094A (en) * | 1936-03-14 | 1937-02-15 | G Lieber Jean | Installation with mobile burner burning liquid fuel. |
US2855987A (en) * | 1956-07-16 | 1958-10-14 | Rune L Schylander | Liquid butane or propane vaporizing burner |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060088794A1 (en) * | 2004-10-26 | 2006-04-27 | Purcell James R | Superheating burner with turbulence ring |
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