US1431074A - Oil burner - Google Patents

Description

W. WOOD.

OIL BURNER.

APPLlcATmN FILED FEB.|,1922.

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3y van Foz Patented Oct. 3, 1922.

PATENT OFFICE.

WILLIAM WOOD, OF GLENROCK, WYOMING.

orn BURNER.

Application filed February 1, 1922. Serial No. 533,446.

To all whom t may concern:

Be it known that I, WILLIAM Woon, a citi` zen of the United States of America, residf ing at Glenrock, in the county of Converse and State of Wyoming, have invented certain new and useful improvements in Oil Burners; and l do hereby declare that the following is a full, clear, concise, and exact description of the same, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to improvements in liquid fuel. burners, having for an object to provide an oil and steam burner of the atomizer type, wherein the iuel oil will be preheated and then delivered to the burner means for admixture with that amount oi steam necessary for converting the same into a readily combustible material, the full mixture then being discharged for burning from the burner means in an atomized body.

1t is likewise an object of the invention to provide an oil` burner employing means in form of a secondary burner for generating that steam suppliedto the main burner, such secondary burner being automatically adjustable in order that when sutlicient steam has been generated, the application of. heat to the retort will be accordingly diminished or reduced and vice versa when the supply of steam needs to be replenished.

Other objects will be in part obvious and in part pointed outhereinafter.

ln order that the invention and its mode oi" operation may be readily `understood by persons skilled in the art, I have in the accompanying illustrative drawings and in the detailed following description based thereon set out one possible embodiment ot the same.`

In these drawings F'gure 1 is a side elevation of the improved burner;

Figure 2 is a vertical section through the form of oil strainer employed;

Figure 3 is a top plan view of the burner;

Figure l is a vertical transverse section taken on the line 1-41 of Figure 1 looking in the direction in which the arrows point;

Figure 5 is a detail in vertical section showing the means for preheating the oil supplied to the burner; and,

Figure 6 is a detail in vertical section showing the type of oilfilteremployed in connection with the` burner.

Having more particular reference to the drawings, in connection with which like characters of. reference will designate corresponding parts throughout, the improved burner may be stated for the purposes of illustration, to be designed for use in connection with that type of boiler fragmentally shown in the Figure 1 and indicated in its entirety by the numeral 1; a fuel feed ing pipe 2 communicating, through an oil filter 3 with an oil supply tank l supported upon. suitable brackets 5 at a point in prox imity to but elevated in respect to the boiler 1 and having an oil supply conduit 6 extending therefrom controlled by suitable types of hand valves 7 and 8. i

A. starting or secondary burner 9 extends through an opening in the front wall of the boiler 1, having a burner cap 10 thereon of suitable design, whereby the oil will be caused to thoroughly mix with a supply of steam also delivered to the burner, in a manner which will bepresently described, said burner 9 being arranged upon the outer end of a conduit 11 extending from and support-` edby the casing o'l' a rotary blower 12 supplied with suitable motive means generally indicated at 13, the sa1ne,` as shown in the Figures 1 and 3, being arranged upon a base 14 which in turn, is adapted to be iixedly connected to the particular support therefor through the medium of bolts 15.

Fuel for the starting or secondary burner 9 is delivered to the same from a cylindrical heater 17 arranged upon a conduit 18 tapped `trom the boiler 1, whereby the heated water therein may How through the same, such liow of water being regulated by means of hand valves 19. The tree end of the conduit 6, as shown in the Figure 1 extends into engagement with the lower portion of the tank heater 17j embracing the vertical portion of the conduit 187 While an outlet conduit 20 extends from the upper end of said heater and into engagement with the upper end of an oil filtering tank 21 g a rhand valve 22 being preferably interposed in said outlet conduit 20 for an obvious purpose. Extending for a distance into the top of the tank filter 21 is a branch conduit 23 having a suitable strainer 24 arranged about the inner end portion oi' the same, as shown in the Figure 6, while the opposite end thereof is suitably tapped into engagement with the intermediate portion of the conduit 11 extending trom the rotary blower 12, thus ermitting the delivery of oil tosaid condu1t 11 from whence it willl be blown forwardly through the conduit by reason of the air pressure therein and thusl broken u into fine combustible particles for admlxture with the proper quantity of air, hereinafter'v more fully described.

As will be noted, the arrangement ofthe burner 9 is such as to directthe fiameemitted therefrom into engagement with a cylindrical retort 2,5,supported as at 26 at a position inV proximity tol said burner and extendin through the,4 opening in the. forward wall o the boiler l, into the combustion chamber thereof, clearly shown in the Figure 1. By reason'of the engagement of the flame emitted from the burner 9 with the lower side vof, the` retort 25, the water contained v rithliny the, same will be rapidlyl converted into steam, such water within the retort being supplied thereto from a suitable feed pipe 27 communicating with the lower end of the floatv valve controlled regulating tank Y, 28 having an outlet conduit connected tothe lower en thereof and communicating with said retort, while a steam inlet conduit 29 is tapped into the reduced upper end of said tank,y as shown inthe Figure 4, this latter conduit 29 extending intoy engagement with a pressure gauge 3() whichI is supported thereon for `an obvious purpose. Also, a sight gauge 3l may be and preferably is arranged adjacent to ythe outer endv wall. of

l cylindrical retortj25 and as will be understood,lcommunicates atitsopposite ends with the same in order that the water level with` in, the retort 25 may be readily ascertained 1 by an operator.

A main burner 32 is provided and is arranged at a point adjacent the lower side of the inner portion of the rcylindrical retort 25being disposed so as to direct the heating fia-me emitted therefrom onto a portion of 'y the retort 25 within the combustion chamber of the furnace housing, whereby to permit the constant generation of steam within said retort irrespective of `whether the starting or secondary burner 9 is emitting flame or not. This main burnerl 32 is pivotally mounted for horizontal movement uponl a bracket or pedestal 33 arrangedl at a point directly adjacentthe outer side of the forward wall of the boiler l andv communicates with a, branch fuel feeding pipe 34extending from theoil filtering tank 2l, the same' being preferably*controlled by a suitable valve 35 in order that the fiow of fuel to the furnace may be regulated as desired.

v 'Steam from4 the cylindrical retort 25l isl supplied to themain burner 32 by way of` a '60 conduit34 communicating at one end with the upper portion of the retort and at its remaining end with the rearward portion of i themain burner 'as shown in the Figure l;

a valve v35 Abeingpreferably Vinterposed in said conduit, for an *obviousy purpose.

As means for automatically controlling the amount of steam generated in the retort 25 by engagement of the heating flame emitted from the main burner 32 therewith, subsequent to the extinguishing of the heatin flame emitted from the startin'g burner th provide a pressure controlled diaphragm 3,6, one, end of which is connected through a conduit 37 to the upper portion of the retort 25,*in proximity to the connection of the conduit 34 therewith, While the opposite or movable end of said diaphragm is connected through a bracket arm 38 to the rearward portion of the pivoted and horizontall movable main Vburner 32. Thus, it will e understood that when the pressure of steam within theretort 25 exceeds maximum, a portion of the same will enter the diaphragm by way of the conduit 37, expand the same and impart a lateral thrust to the bracket arm by way of the free and movable outer end thereof, hence, swinging the main burner 32 outwardly and away from the retort for a distance sufficient to either discontinue the application of heat to the retort 25 or to accordingl diminish the same to meet with the requisites then present.

The operation of the burner may be reviewed asY follows:

To start the improved burner, oil is admitted by way of the conduit 23 to the conduit 1l whereupon it will be mixed with an amount of air sufficient to create a combustible mixture, whereupon the heated fuel will be broken into small particles and dischar ed for ignition from` the burner cap 1,0 of t e starting burner 9. Because of the fact that said burner 9 is positioned adjacent the inner and lower side of the retort 25, the flame emitted; therefrom will be directed into engagement with said retort and hence.v a portion of the water therein will be converted into steam. At this time, the valve 35 of the conduit 34 is opened, admitting heated oil to the same for delivery to the main burner 32. At the same time, the valve 35 in the conduit 34 is opened, permitting` the steam generated in the retort 25 to flow through the same into the main burner 32 with admixture with the heated fluid fuel flowing, into the same. The pressure of the steam introduced into, the main burner 32 will b e sufficient to thoroughly break up the fluid or liquid fuel and cause its discharge in an atomized and highly combustible rstate therefrom, whereupon the same is ignited. With generation of an initial quantity of steam in the retort 25. the sup ly of fuelv to the starting burner 9 may be dis-y continued, thns extinguishin its` heating flame. Because ofl the positioning of the mainl burner 32 with relation to the retort 25, a portion of the heating` flame emitted. therefrom will be directed onto an adjacent portion of the retort 25 and hence, will carry on the generation of steam therein suflicient to continue to supply that quantity of steam to the main burner 32 for creat-ing a highly combustible mixture. Should an excessive amount of steam be generated in the retort 25, a portion of the same will enter the expansible diaphragm 36, which in turn will be expanded and thus impart an outward lateral thrustto the arm 38 connected to the pivotal horizontally movable main burner 32, thereby moving the free end of said burner outwardly away from the retort 25 so as to diminish' or entirely discontinue the application of the heating flame to the retort 25, thus enabling the apparatus to maintain an even pressure inorder that efficient oper ation may continue.

The supply of water to the retort 25, as hereinbefore stated, will be automatically controlled by means of the oat valve regulating tanlr 28, so that when the level of water in the regulating tank falls below normal, the float of the valve will accordingly drop and thus move the valve to its open position for admitting an additional supply of water by way of the feed pipe 27 from whence it will be delivered through the conduit 29 to the retort.

Manifestly, the construction shown is capable of considerable modification and such modificationas is within the scope of my claims, I consider within the spirit of my invention.

I claim:

l. An oil burner comprising fuel feeding means, a main burner, a retort for supplying steam to the main burner for mixture with the fuel flowing therein, a secondary burner communicating with the fuel feeding means, and means connected to said main burner for automatically varying the intensity of the heat appliedto the retort therefrom.

2. An oil burner comprising fuel feeding means, a main burner, communicating with said fuel feeding means, a retortfor supplying steam to the main burner for the mixture with the oil flowing therein, a secondary burner communicating with the fuel feeding means, and pressure operated means connected to said main burner for automati cally varying its position with respect to said retort.

3.An oil burner comprising fuel vfeeding means, a main burner and a secondary bur ner communicating with said fuel feeding means, a retort for supplying steam to the main burner, a blower for supplying air to the secondary burner, and a pressure operated diaphragm connected to and communicating With the retort and adapted, upon expansion, to impart horizontal movement to the main burner for varying its position with relation to the retort.

4f. An oil burner comprising fuel feeding means, a main burner communicating with said fuel feeding means, a retort connected to the main burner for supplying steam to the same, means connected to said main burner for automatically varyincr the insity of heat applied to the retort therefrom, and a secondary burner communicating with the fuel feeding` means for initially heating the retort.

5. In combination with a boiler, and oil burner comprising fuel feeding means, an oil heating tank arranged in proximity to and heated by said boiler communicating with the fuel feeding means, a retort, a main burner pivotally mounted for horizontal movement in proximity to one portion of said retort and communicating with said fuel feeding means beyond the heater, pressure operated means communicating with said retort and connected to said main burner for automatically adjusting its position with relation to said retort, and a secondary burner positioned in proximity to a portion of the retort, and communicating with said fuel feeding means beyond the heating means.

6. In combination with a boiler, an oil burner comprising fuel feeding means, a heater supported in proximity to and heated by said boiler communicating with said fuel feeding means, a main burner extending through the forward wall of the burner into the combustion chamber thereof communicating with said heater, a retort communicating with said main burner for supplying steam thereto, said main burner being arranged in proximity to and horizontally movable with relation to said retort, a pressure operated diaphragm connected to the retort and. said main burner for automatically regulating the positioning of the latter with relation to the former, a secondary burner positioned in proximity to said retort communicating with said heater, and means for supplying air to said secondary burner.

In witness whereof I have hereunto set my hand.

WILLIAM WOOD.

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