US3088812A - Submerged exhaust combustion unit - Google Patents
Submerged exhaust combustion unit Download PDFInfo
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- US3088812A US3088812A US792912A US79291259A US3088812A US 3088812 A US3088812 A US 3088812A US 792912 A US792912 A US 792912A US 79291259 A US79291259 A US 79291259A US 3088812 A US3088812 A US 3088812A
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- housing
- tube
- burner
- liquid
- combustion
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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
- F23C3/00—Combustion apparatus characterised by the shape of the combustion chamber
- F23C3/004—Combustion apparatus characterised by the shape of the combustion chamber the chamber being arranged for submerged combustion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/021—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by bubbling the gas through a liquid bath
Definitions
- the present invention is directed to apparatus comprising a burner and an exhaust tube associated therewith which is immersed in a liquid so that the products of combustion may be discharged through the tube beneath the level of the liquid, for example, to transfer heat to the liquid, cool the combustion gases to obtain cool inert gases, or to carry out a step in a chemical process.
- a principal object of the present invention is to provide a novel gas generator, heat exchanger or the like wherein combustion may be completed over a Wide range of heat release.
- Another object of the present invention is to provide a novel gas generator wherein any desired composition of combustion products may be obtained and wherein the combustion gases may be cooled to any desired temperature.
- a further object of the present invention is to provide a novel gas generator, heat exchanger, or the like, having a burner which may be operated efiiciently and effectively at any desired normal rate.
- a still further object of the present invention is to provide a novel apparatus of the above type wherein inert gases may be produced with a minimum of impurities.
- a still further object of the present invention is to provide a novel gas generator, heat exchanger, or the like, wherein products of combustion are discharged beneath the level of a liquid through a discharge tube integrally associated with the burner and wherein the depth of submergence of the exhaust tube is determined independently of the rate of flow of the liquid.
- Still another object of the present invention is to provide novel apparatus of the type described which is of relatively simplified construction, may be manufactured easily and cheaply, and is entirely efficient and effective in operation and use.
- FIG. 1 is a longitudinal sectional View of a submerged exhaust combustion unit made in accordance with the present invention
- FIG. 2 is a transverse sectional view taken along line 2-2 of FIG. 1;
- FIG. 3 is a transverse sectional view taken along line 33 of FIG. 1.
- reference numeral designates a housing forming an enclosed chamber 11.
- a burner 13 is mounted exteriorly of the housing 10 in communication with the chamber 11 so that the products of combustion may be discharged directly into the chamber.
- the burner is preferably of the type shown in Patents Nos. 2,701,608, issued February 8, 1955, or 2,839,128, issued June 17, 1958, but may be any conventional type ice of burner employing either a gaseous or a liquid fuel or both in combination wherein combustion is substantially completed within the burner and substantially complete products of combustion are discharged from the burner at relatively high velocity.
- a downcomer tube 14 which is in fluid communication with the discharge end of the burner, is mounted in the housing 10 preferably extending through the upper wall of the housing and terminating at its lower end adjacent the bottom of the chamber 11. Accordingly, the combustion gases are discharged from the burner 13 through the downcomer tube 14 into the chamber 11.
- a downcomer tube 14 of sufficient length is provided so that combustion is completed prior to discharge of the exhaust gases from the downcomer tube into the chamber 11. It has been found that approximately 4 to 5 feet is the optimum length for the downcomer tube in order to complete combustion of the fuel.
- the discharge end of the downcomer tube 14 is immersed in a liquid so that the products of combustion discharged from the downcomer tube must pass through the liquid prior to entering the chamber 11.
- he liquid may be a liquid coolant, such as water, for the purpose of cooling the exhaust gases, it may be a medium that is to be heated by the exhaust gases, or it may be a reactant or reactant medium for use as a step in carrying out a chemical process.
- it is extremely important to closely control the depth of submergence of the discharge end of the downcomer tube in the liquid in order to maintain the total pressure drop across the burner and downcomer tube substantially constant.
- the downcomer tube 14 projects into the spill basin so that when the basin is filled with a liquid the discharge end of the downcomer tube is immersed therein. It has been found that the depth of submergence of the downcomer tube in the spill basin should be between 1 to 6 inches, and preferably 3 to 4 inches, to permit the maximum amount of burner turn-down without adversely affecting operation of the burner. With this depth of submergence, the burner can be efficiently and effectively operated over a wide output range and changes from one range to another can be effected without deleterious influence from surging and turbulence of the liquid. During operation, the effect of surging is minimized as any surging will merely cause the liquid to spill over the edge of the spill basin as compared to prior apparatus wherein some separate control means were utilized to control depth of the liquid.
- a liquid coolant supply chamber 19 is mounted adjacent the upper end of the chamber 11 surrounding the upper portion of the downcomer tube 14.
- the liquid coolant is supplied to the chamber 19 at any desired controlled rate through an inlet pipe 20 and is discharged from the the supply chamber 19 through a series of openings 21 in the base of the supply chamber surrounding and adjacent to the downcomer tube.
- the openings 21 are so arranged that the liquid coolant is caused to flow downwardly along the exterior surface of the downcomer tube into the spill basin maintaining the temperature of the downcomer tube relatively low and cooling the products of combustion. Further cooling of the products of combustion is accomplished as the gases pass through the liquid in the spill basin and also causing the gases to pass upwardly in the chamber 11 through a liquid spray.
- a series of spray nozzles 22 connected to a conduit 23 are mounted within the housing adjacent the upper end of the chamber 11 and discharge a liquid coolant into the path of the products of combustion. From FIG. 1 it is seen that the spray nozzles 22 are located at least as high as the gas outlet 18 so as to contact the gases for the full distance of their upward travel.
- the temperature of the products of combustion is lowered from approximately 3000" to 3500 F. at the burner to approximately 70 to 80 F. when they leave the chamber 11.
- the gases are initially cooled from the range of 3000 to 3500 F. at the burner to about 2500 F. upon entry into the spill basin by means of the liquid coolant surrounding the downcomer tube. Passage through the liquid coolant in the basin further reduces the temperature of the gases to about 200 F. and as the gases travel upwardly through the chamber 11 the liquid spray causes a final reduction to a temperature approximately equal to the temperature of the spray, which may be 70 to 80 F. or lower.
- the liquid to be heated or the reactant medium may be supplied to the chamber 11 in any desired manner.
- the liquid may be supplied through the spray nozzles 22, or through the chamber 19, or both, or it may be supplied directly into the chamber 11 through a separate supply pipe.
- the entrainment separator 24 carried by a housing 25 mounted adjacent the housing 10.
- the entrainment separator may be of conventional construction and operates to remove entrained liquid from the The removed liquid is then directed back into gases.
- the chamber 11 by means of a conduit 26 which interconnects the base of the housing 25 with the bottom portion of the chamber 11.
- This conduit 26 may also serve as a balancing leg to balance the pressure between the bottom of the chamber 11 and the chamber discharge opening 18 to prevent any sudden surges in pressure from disrupting the operation of the apparatus.
- drain means are connected to the base of the chamber 11 to withdraw fluid therefrom.
- the drain means must be so designed to preclude the combustion products or other gases from escaping with the liquid.
- a discharge pipe 28 is mounted in the chamber 11 with its outlet end 29 disposed beneath the level of the spill basin, as shown in FIG. 1.
- the inlet end 34 of the discharge pipe extends substantially below the level of the spill basin and, as illustrated, is immersed in a drop leg 31 to thereby provide a gas trap.
- the vertical distance between the discharge and inlet ends of the outlet pipe is so designed that the maximum expected pressure in the chamber 11 will not cause the liquid level in the drop leg to go below the inlet end of the outlet pipe.
- any conventional outlet means may be employed to carry off the fluid.
- an outlet may be disposed adjacent the spill basin so that liquid as well as solid particles may be discharged directly from the spill basin.
- the present invention provides novel improvements in apparatus which may be employed effectively and efficiently as a gas generator, heat exchanger, or the like and which will operate continuously at any normal rate of operation of the burner.
- a submerged exhaust combustion unit comprising in combination, an enclosed housing having a closed base, a fuel burner mounted adjacent the top of said housing and extending in a direction toward the base of said housing, said burner being adapted to burn fuel and exhaust the products of combustion downwardly in said housing, an elongated combustion gas downflow tube positioned in fluid communication with and surrounding said burner and projecting downwardly interiorly of said housing toward the base thereof, said downflow tube terminating at its discharge end at a predetermined distance above the base of said housing, said downflow tube being bare of lining interiorly and exteriorly and being operable to direct the products of combustion from said burner to the discharge end of said tube and adjacent the base of said housing, a liquid chamber surrounding said downflow tube at the region of the burner for holding a body of cooling liquid, means for supplying cooling liquid to said chamber, means for supplying cooling liquid fromsaid chamber to and down the outside surface of said tube while keeping the inside of said tube free from liquid, a gas outlet for cooled combustion gas near the upper end of said housing, means disposed at least as high
Description
y 1963 e..|v|. BITTERLICH arm. 3,088,812
SUBMERGED EXHAUST COMBUSTION UNIT INVENTORS.
GORDON M. BITTERLICH L. PRIMAS PATRICK P HAHN ALEX Filed Feb. 12, 1959 FIE. I.
ATTYS,
United States SUBMERGED EXHAUST CGMBUSTION UNIT Gordon M. Eitterlich, Wayne, Alex L. Prirnas, Jeifersonville, and Patrick P. Hahn, Trooper, Pa, assignors to Thermal Research & Engineering Corporation, Conshohocken, Pa, a corporation of Delaware Filed Feb. 12, 1959, Ser. No. 792,912. 2 Claims. (Cl. 23-281) The present invention relates to new and useful improvements in submerged exhaust combustion units for use as heat exchangers and the like. More particularly, the present invention is directed to apparatus comprising a burner and an exhaust tube associated therewith which is immersed in a liquid so that the products of combustion may be discharged through the tube beneath the level of the liquid, for example, to transfer heat to the liquid, cool the combustion gases to obtain cool inert gases, or to carry out a step in a chemical process.
A principal object of the present invention is to provide a novel gas generator, heat exchanger or the like wherein combustion may be completed over a Wide range of heat release.
Another object of the present invention is to provide a novel gas generator wherein any desired composition of combustion products may be obtained and wherein the combustion gases may be cooled to any desired temperature.
A further object of the present invention is to provide a novel gas generator, heat exchanger, or the like, having a burner which may be operated efiiciently and effectively at any desired normal rate.
A still further object of the present invention is to provide a novel apparatus of the above type wherein inert gases may be produced with a minimum of impurities.
A still further object of the present invention is to provide a novel gas generator, heat exchanger, or the like, wherein products of combustion are discharged beneath the level of a liquid through a discharge tube integrally associated with the burner and wherein the depth of submergence of the exhaust tube is determined independently of the rate of flow of the liquid.
Still another object of the present invention is to provide novel apparatus of the type described which is of relatively simplified construction, may be manufactured easily and cheaply, and is entirely efficient and effective in operation and use.
These and other objects of the present invention and the various features and details of the operation and construction thereof are hereinafter more fully set forth and described with reference to the accompanying drawings, in which:
FIG. 1 is a longitudinal sectional View of a submerged exhaust combustion unit made in accordance with the present invention;
'FIG. 2 is a transverse sectional view taken along line 2-2 of FIG. 1; and
FIG. 3 is a transverse sectional view taken along line 33 of FIG. 1.
Referring more specifically to the drawings and particularly to FIG. 1 thereof, reference numeral designates a housing forming an enclosed chamber 11. A burner 13 is mounted exteriorly of the housing 10 in communication with the chamber 11 so that the products of combustion may be discharged directly into the chamber. The burner is preferably of the type shown in Patents Nos. 2,701,608, issued February 8, 1955, or 2,839,128, issued June 17, 1958, but may be any conventional type ice of burner employing either a gaseous or a liquid fuel or both in combination wherein combustion is substantially completed within the burner and substantially complete products of combustion are discharged from the burner at relatively high velocity. A downcomer tube 14, which is in fluid communication with the discharge end of the burner, is mounted in the housing 10 preferably extending through the upper wall of the housing and terminating at its lower end adjacent the bottom of the chamber 11. Accordingly, the combustion gases are discharged from the burner 13 through the downcomer tube 14 into the chamber 11.
Since complete combustion of the fuel is generally not achieved in the burner, a downcomer tube 14 of sufficient length is provided so that combustion is completed prior to discharge of the exhaust gases from the downcomer tube into the chamber 11. It has been found that approximately 4 to 5 feet is the optimum length for the downcomer tube in order to complete combustion of the fuel.
As illustrated in the drawings, the discharge end of the downcomer tube 14 is immersed in a liquid so that the products of combustion discharged from the downcomer tube must pass through the liquid prior to entering the chamber 11. :T he liquid may be a liquid coolant, such as water, for the purpose of cooling the exhaust gases, it may be a medium that is to be heated by the exhaust gases, or it may be a reactant or reactant medium for use as a step in carrying out a chemical process. In accordance with the present invention, it is extremely important to closely control the depth of submergence of the discharge end of the downcomer tube in the liquid in order to maintain the total pressure drop across the burner and downcomer tube substantially constant.
In prior apparatus of this type, when changing operation of the burner, that is, increasing or decreasing the rate of fuel consumption, equilibrium conditions at the discharge end of the downcomer tube are disturbed due to the surging and turbulence of the liquid. The surging results in a fluctuating back pressure head until equilibrium is established and in the prior apparatus of this type this pressure head many times will increase the back pressure to an amount suflicient to damp out the burner. This is prevented in the present invention by the provision of a spill basin formed by an annular wall 17 at the bottom of the chamber 11 surrounding and coaxial with the downcomer tube 14 and spaced from the tube 14 and the housing to provide free overflow space around the upper edge of the annular wall 17. The downcomer tube 14 projects into the spill basin so that when the basin is filled with a liquid the discharge end of the downcomer tube is immersed therein. It has been found that the depth of submergence of the downcomer tube in the spill basin should be between 1 to 6 inches, and preferably 3 to 4 inches, to permit the maximum amount of burner turn-down without adversely affecting operation of the burner. With this depth of submergence, the burner can be efficiently and effectively operated over a wide output range and changes from one range to another can be effected without deleterious influence from surging and turbulence of the liquid. During operation, the effect of surging is minimized as any surging will merely cause the liquid to spill over the edge of the spill basin as compared to prior apparatus wherein some separate control means were utilized to control depth of the liquid.
Accordingly, it may be seen that substantially complete products of combustion are discharged into the downcomer tube wherein combustion is completed. The products of combustion then pass through the liquid into the chamber 11 and are exhausted from the chamber 11 through an outlet opening 18 in the upper end of the housing 10.
When the apparatus of the present invention is used for generation of inert gases and the like, it is important to cool the gases to as low a temperature as possible so that there is a minimum of water vapor in the gases as they leave the chamber. To this end, a liquid coolant supply chamber 19 is mounted adjacent the upper end of the chamber 11 surrounding the upper portion of the downcomer tube 14. The liquid coolant is supplied to the chamber 19 at any desired controlled rate through an inlet pipe 20 and is discharged from the the supply chamber 19 through a series of openings 21 in the base of the supply chamber surrounding and adjacent to the downcomer tube. The openings 21 are so arranged that the liquid coolant is caused to flow downwardly along the exterior surface of the downcomer tube into the spill basin maintaining the temperature of the downcomer tube relatively low and cooling the products of combustion. Further cooling of the products of combustion is accomplished as the gases pass through the liquid in the spill basin and also causing the gases to pass upwardly in the chamber 11 through a liquid spray. As illustrated in FIGS. 1 and 2, a series of spray nozzles 22 connected to a conduit 23 are mounted within the housing adjacent the upper end of the chamber 11 and discharge a liquid coolant into the path of the products of combustion. From FIG. 1 it is seen that the spray nozzles 22 are located at least as high as the gas outlet 18 so as to contact the gases for the full distance of their upward travel.
With this above described cooling system, the temperature of the products of combustion is lowered from approximately 3000" to 3500 F. at the burner to approximately 70 to 80 F. when they leave the chamber 11. The gases are initially cooled from the range of 3000 to 3500 F. at the burner to about 2500 F. upon entry into the spill basin by means of the liquid coolant surrounding the downcomer tube. Passage through the liquid coolant in the basin further reduces the temperature of the gases to about 200 F. and as the gases travel upwardly through the chamber 11 the liquid spray causes a final reduction to a temperature approximately equal to the temperature of the spray, which may be 70 to 80 F. or lower.
When the apparatus of the present invention is used as heat transfer apparatus to heat liquid or is used to carry out a step in a chemical process, the liquid to be heated or the reactant medium may be supplied to the chamber 11 in any desired manner. The liquid may be supplied through the spray nozzles 22, or through the chamber 19, or both, or it may be supplied directly into the chamber 11 through a separate supply pipe.
After the products of combustion or other gases leave the chamber 11 through the discharge opening 18 they pass through an entrainment separator 24 carried by a housing 25 mounted adjacent the housing 10. The entrainment separator may be of conventional construction and operates to remove entrained liquid from the The removed liquid is then directed back into gases. the chamber 11 by means of a conduit 26 which interconnects the base of the housing 25 with the bottom portion of the chamber 11. This conduit 26 may also serve as a balancing leg to balance the pressure between the bottom of the chamber 11 and the chamber discharge opening 18 to prevent any sudden surges in pressure from disrupting the operation of the apparatus. After the gases pass through the entrainment separator 24, they are conveyed to some further treating apparatus or the like.
To provide for continuous passage of the liquid through the system, drain means are connected to the base of the chamber 11 to withdraw fluid therefrom. The drain means must be so designed to preclude the combustion products or other gases from escaping with the liquid. To this end, a discharge pipe 28 is mounted in the chamber 11 with its outlet end 29 disposed beneath the level of the spill basin, as shown in FIG. 1. The inlet end 34 of the discharge pipe extends substantially below the level of the spill basin and, as illustrated, is immersed in a drop leg 31 to thereby provide a gas trap. The vertical distance between the discharge and inlet ends of the outlet pipe is so designed that the maximum expected pressure in the chamber 11 will not cause the liquid level in the drop leg to go below the inlet end of the outlet pipe. However, in lieu of the outlet means described, any conventional outlet means may be employed to carry off the fluid. For example, an outlet may be disposed adjacent the spill basin so that liquid as well as solid particles may be discharged directly from the spill basin.
From the foregoing, it will be apparent that the present invention provides novel improvements in apparatus which may be employed effectively and efficiently as a gas generator, heat exchanger, or the like and which will operate continuously at any normal rate of operation of the burner.
While particular embodiments of the present invention have been illustrated and described herein, it is not intended to limit the invention to such a disclosure and changes and modifications may be incorporated and embodied therein within the scope of the following claims.
We claim:
1. A submerged exhaust combustion unit comprising in combination, an enclosed housing having a closed base, a fuel burner mounted adjacent the top of said housing and extending in a direction toward the base of said housing, said burner being adapted to burn fuel and exhaust the products of combustion downwardly in said housing, an elongated combustion gas downflow tube positioned in fluid communication with and surrounding said burner and projecting downwardly interiorly of said housing toward the base thereof, said downflow tube terminating at its discharge end at a predetermined distance above the base of said housing, said downflow tube being bare of lining interiorly and exteriorly and being operable to direct the products of combustion from said burner to the discharge end of said tube and adjacent the base of said housing, a liquid chamber surrounding said downflow tube at the region of the burner for holding a body of cooling liquid, means for supplying cooling liquid to said chamber, means for supplying cooling liquid fromsaid chamber to and down the outside surface of said tube while keeping the inside of said tube free from liquid, a gas outlet for cooled combustion gas near the upper end of said housing, means disposed at least as high as the height of said gas outlet for supplying a cooling liquid spray to the interior of said housing into upflowing combustion gas, an opentopped spill basin positioned at the base of said housing around the discharge end of said tube and for a limited height above the lower end of the tube, said spill basin being formed by an annular Wall having a top overflow edge spaced away from said housing, said spill basin being arranged to receive downflowing liquid supplied in said housing to maintain a liquid level at the top overflow edge of said annular spill basin wall and above the lower end of said combustion gas tube, and a liquid sealed gas trap and liquid outflow pipe located in the housing below the overflow edge of said annular spill basin for confining the gas against escape at the base of the housing while permitting liquid outflow from said spill basin and escape of liquid from said housing.
2. Apparatus as set forth in claim 1, which further comprises a pressure balancing gas bypass conduit between the lower end of said housing adjacent said spill basin and said gas outlet at the upper end of said housing, said' gas upflow space in said housing around said combustion gas tube.
References Cited in the file of this patent UNITED STATES PATENTS 6 Bowman Feb. 16, 1937 See Aug. 19, 1952 Swindin May 19, 1953 Wiseman June 2, 1953 Ianecek May 4, 1954 Dean Oct. 23, 1956 Woodland Dec. 23, 1958
Claims (1)
1. A SUBMERGED EXHAUST COMBUSTION UNIT COMPRISING IN COMBINATION, AN ENCLOSED HOUSING HAVING A CLOSED BASE, A FUEL BURNER MOUNTED ADJACENT THE TOP OF SAID HOUSING AND EXTENDING IN A DIRECTION TOWARD THE BASE OF SAID HOUSING, SAID BURNER BEING ADAPTED TO BURN FUEL AND EXHAUST THE PRODUCTS OF COMBUSTION DOWNWARDLY IN SAID HOUSING, AN ELONGATED COMBUSTION GAS DOWNFLOW TUBE POSITIONED IN FLUID COMMUNICATION WITH AND SURROUNDING SAID BURNER AND PROJECTING DOWNWARDLY INTERIORLY OF SAID HOUSING TOWARD THE BASE THEREOF, SAID DOWNFLOW TUBE TERMINATING AT ITS DISCHARGE END AT A PREDETERMINED DISTANCE ABOVE THE BASE OF SAID HOUSING, SAID DOWNFLOW TUBE BEING BARE OF LINING INTERIORLY AND EXTERIORLY AND BEING OPERABLE TO DIRECT THE PRODUCTS OF COMBUSTION FORM SAID BURNER TO THE DISCHARGE END OF SAID TUBE AND ADJACENT THE BASE OF SAID HOUSING, A LIQUID CHAMBER SURROUNDING SAID DOWNFLOW TUBE AT THE REGION OF THE BURNER FOR HOLDING A BODY OF COOLING LIQUID, MEANS FOR SUPPLYING COOLING LIQUID FROM SAID CHAMBER TO SAID FOR SUPPLYING COOLING LIQUID FROM SAID CHAMBER TO AND DOWN THE OUTSIDE SURFACE OF SAID TUBE WHILE KEEPING THE INSIDE OF SAID TUBE FREE FROM LIQUID, A GAS OUTLET FOR COOLED COMBUSTION GAS NEAR THE UPPER END OF SAID HOUSING, MEANS DISPOSED AT LEAST AS HIGH AS THE HEIGHT OOF SAID GAS OUTLET FOR SUPPLYING A COOLING LIQUID SPRAY TO THE INTERIOR OF SAID HOUSING INTO UPFLOWING COOMBUSTION GAS, AN OPENTOPPED SPILL BASIN POSITIONED AT THE BASE OF SAID HOUSING AROUND THE DISCHARGE END OF SAID TUBE AND FOR A LIMITED
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US792912A US3088812A (en) | 1959-02-12 | 1959-02-12 | Submerged exhaust combustion unit |
DET17803A DE1259494B (en) | 1959-02-12 | 1960-01-30 | Submersible burner heated with gaseous fuel |
FR817735A FR1250099A (en) | 1959-02-12 | 1960-02-05 | Improvements to submersible vent burner devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US792912A US3088812A (en) | 1959-02-12 | 1959-02-12 | Submerged exhaust combustion unit |
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US3088812A true US3088812A (en) | 1963-05-07 |
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US792912A Expired - Lifetime US3088812A (en) | 1959-02-12 | 1959-02-12 | Submerged exhaust combustion unit |
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US (1) | US3088812A (en) |
DE (1) | DE1259494B (en) |
FR (1) | FR1250099A (en) |
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US3763915A (en) * | 1970-07-22 | 1973-10-09 | Copper Refineries Pty Ltd | Evaporative treatment of liquids by submerged combustion |
US3847714A (en) * | 1972-06-15 | 1974-11-12 | Dasi Industries | Method and apparatus for heat treating liqueform materials |
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US10322960B2 (en) | 2010-06-17 | 2019-06-18 | Johns Manville | Controlling foam in apparatus downstream of a melter by adjustment of alkali oxide content in the melter |
US10337732B2 (en) | 2016-08-25 | 2019-07-02 | Johns Manville | Consumable tip burners, submerged combustion melters including same, and methods |
US10654740B2 (en) | 2013-05-22 | 2020-05-19 | Johns Manville | Submerged combustion burners, melters, and methods of use |
US10670261B2 (en) | 2015-08-27 | 2020-06-02 | Johns Manville | Burner panels, submerged combustion melters, and methods |
US10837705B2 (en) | 2015-09-16 | 2020-11-17 | Johns Manville | Change-out system for submerged combustion melting burner |
US10858278B2 (en) | 2013-07-18 | 2020-12-08 | Johns Manville | Combustion burner |
US11142476B2 (en) | 2013-05-22 | 2021-10-12 | Johns Manville | Burner for submerged combustion melting |
US11233484B2 (en) | 2012-07-03 | 2022-01-25 | Johns Manville | Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers |
US11613488B2 (en) | 2012-10-03 | 2023-03-28 | Johns Manville | Methods and systems for destabilizing foam in equipment downstream of a submerged combustion melter |
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US3187743A (en) * | 1965-06-08 | Snow meltinfj apparatus and method | ||
US3208830A (en) * | 1962-03-05 | 1965-09-28 | Midland Ross Corp | Atmosphere gas generator |
US3379507A (en) * | 1964-04-01 | 1968-04-23 | Varian Associates | Ammonia vaporizer and dissociator system |
US3763915A (en) * | 1970-07-22 | 1973-10-09 | Copper Refineries Pty Ltd | Evaporative treatment of liquids by submerged combustion |
US3847714A (en) * | 1972-06-15 | 1974-11-12 | Dasi Industries | Method and apparatus for heat treating liqueform materials |
US3997299A (en) * | 1975-01-23 | 1976-12-14 | Caloric Gesellschaft Fur Apparatebau M.B.H. | Apparatus for producing protective gas |
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Also Published As
Publication number | Publication date |
---|---|
FR1250099A (en) | 1961-01-06 |
DE1259494B (en) | 1968-01-25 |
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