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Publication numberUS3100461 A
Publication typeGrant
Publication dateAug 13, 1963
Filing dateApr 26, 1960
Priority dateApr 26, 1960
Publication numberUS 3100461 A, US 3100461A, US-A-3100461, US3100461 A, US3100461A
InventorsTage Werner
Original AssigneeInland Steel Co
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Adjustable mounting for adjustable powdered fuel burner
US 3100461 A
Abstract  available in
Images(2)
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Claims  available in
Description  (OCR text may contain errors)

T. WERNER 3,100,461

ADJUSTABLE MOUNTING FOR ADJUSTABLE POWDERED FUEL BURNER Aug. 13, 1963 2 Sheets-Sheet 1 Filed April 26. 1960 v w P Q M e w n n r r Qv i m e 0 mm l m W 44,. H

m mm W I Ma N T 5 h PM I x m N0 .8? QM 4 2. 6 am ow :Jmw 3 mm mm. N m #0 y i Q mp N Q 2 mm. NQ 00 NH mm M 3 oh mm 6 mm on m. N n m om mm 1 mm mm 60 T E ow N M mm mm I E H NEH ON. m. y O.

3, 1963 T. WERNER 3,100,461

ADJUSTABLE MOUNTING FOR ADJUSTABLE POWDERED FUEL BURNER Filed April 26. 1960 2 Sheets-Sheet 2 Inventor Inge Werner 5 PM, sNow orneqs United States Patent 3 100 4-61 ADJUSTABLE MOlUl k Tll lG F03 ADJUSTABLE EGWDERED FUEL BURNER Tags Werner, Qleveland, @hio, assignor, by mesue assign- The present invention relates generally to an adjustable support for a member and more particularly to an improved supporting structure for iadjustably mounting a fluid-cooled burner or the like, in an opening extending through the wall of a chamber, such as a furnace.

In many metallurgical processes it is necessary to supply large amounts of combustible materials to an enclosure, such as a melting hearth or a gas reforming chamber, wherein the combustible gaseous and solid materials are burned under controlled conditions of temperature, pressure, and amount of reactants. Generally it is highly desirable and often necessary to have the burner adjustably mounted in an opening of the chamber wall so that the flame can be directed into the interior of the chamber at any desired angle and movable longitudinally with respect to the opening in the chamber wall. Also, it is usually necessary to provide means for cooling the burner mount in order to protect the equipment against the high temperature attained within the chamber.

Heretofore many structures have been devised for ada high-temperature chamber. These prior art structures,

however, have comprised complex arrangements of parts and mechanisms or have been capable of only limited adjustment.

It is therefore an object of the present invention to provide an improvedmeans for adjustably mounting a burner associated with a high-temperature chamber.

It is a further object of the present invention to provide a simplified and more economical gas-tight adjustable mounting of a member with respect to an opening in a pressurized chamber. a

It is also an object of the present invention to provide improved supporting structure for a burner which permits both angular adjustment of the burner and longitudinal movement of one or more parts thereof relative to a chamber wall.

Other objects of the present invention will be apparent to those skilled in the art from the detailed description and claims to follow.

The foregoing objects of the present invention are readily achieved by mounting a member, such as a burner assembly of any desired type, in an axial passage of a tubular supporting section which has on the forward or inner end thereof a rounded surface for adjustably seating in a correspondingly rounded seat section provided in the wall of a furnace chamber. The tubular supporting section is also provided with a radial flange or mountng bracket structure secured at the rear or outer end thereof and hav ing means for angular adjustment thereof relative to the furnace chamber wall. The bracket structure may also havemeans for supporting one or more guide means for positioning one or more parts of the burner assembly relative to the said furnace wall.

The invention will be best understood by reference to the following detailed description when read in conjunction with the accompanying drawing illustrating a preferred form of the apparatus and wherein:

FIG. 1 is a longitudinal vertical sectional view of a preferred embodiment of the present invention along the line 1.1 of FIG. 2;

FIG. 2 is an end elevational view as seen from the line 2-2 of FIG. 1; and

ddflfi dm Patented Aug. l3, 15963 FIG. 3 is a vertical sectional view along the line 33 of FIG. 1.

In FIG. 1 of the drawing is shown a fragmentary portion of a furnace wall it having a refractory brick lining 14 and provided with a passage 11 extending therethrough into the interior of the furnace. The passage 11 has an inner section 12 having a frustro-conical form with the larger diameter thereof at the inner end. The passage 11 is also provided with an outer section 13, preferably in the form of a generally frustro-conical recess with the lateral walls thereof tapering inwardly. A circular flange member or holder 15 is secured to the furnace wall 1b with a lip section 16 extending inwardly into a peripheral groove formed about the outer edge of the passage section 13 and providing an inwardly tapered abutment surface for receiving a cooling seat member or housing member 17. The cooling seat 17 is disposed in the outer section 13 of the passage through the furnace wall In with the transverse outer surface thereof lying in the plane of the surface of wall lit. The cooling seat member 17 is provided with spaced lateral wall sections which form a passage for the flow of a cooling fluid and which have fluid inlet and outlet conduits 6h, 69' communicating therewith. An axial passage 18 is provided in the cooling seat member 17 with the inner wall surface adjacent the forward or inner end of the passage 13 forming a generally semi-spherical concave bearing surface 19 disposed symmetrically with respect to the longitudinal axis of the member 17.

The cooling member 17 is securely held in seating engagement within the outer section 13 of the passage 11 by a pair of diametrically spaced U-clamps 26' which are anchored to the holder 15 by means of bolt fasteners 21 and which have an elongated arm 22 thereof in engagement with the transverse end surface 23 of the member 17.

A tubular assembly is adjustably mounted in the axial passage 31 of a member supporting section or nozzle 3-2 having a generally cylindrical shape and being of less length than the tubular assembly 30. The forward or inner end of the support section 32 is provided with an enlarged semi-spherical convex bearing surface 33 adapted to be adjustably and sealably seated in the complementary bearing surface 19 of the cooling member 17.

The member supporting section 31 has a mounting bracket or radial flange 35 extending generally transversely, from the lateral surface thereof adjacent the outer or rear end. At equally spaced points about the periphery of the flange 35 are provided a plurality of integral anchor elements in the form of wing-like sections 36 which project outwardly and rearwardly therefrom forming an angle of about with the plane of the flange 35. Each of the sections 36 has an anchor point thereon preferably comprising an aperture 37 extending therethrough Which is adapted to receive a tie rod 38 or other positioning means.

In the preferred form illustrated in the drawing, the three positioning means which are provided are in the form of tie rod members 33, and each has a hook-like means 3-9 or other securing means. at the outer end thereof for engagement with an anchor ring member or retaining eye 40, mounted on the furnace wall 10 at. equally spaoed points about the passage 11. The inner end of each of the rods 33 is threaded and extends freely through the aperture 3-7 in each of the wing sections 36. A spherical washer 41 is fitted over the end of each of the rods and is held in place by means of a pair of adjusting nuts 4-2, 42. The adjustment of the nuts 42, 4-2 inwardly or outward ly on the rods 38 varies the effective length of the said rods and thereby angularly adjusts the burner assembly 39 mounted within the support member or nozzle 32.

At least one of the positioning means 38 which is associated with the flange 35 is preferably constructed so as to be more readily detachable from the anchor rings or retaining eyes 40 than the other positioning means. Thus, as best shown in FIG. 1, a compression spring member 46 is provided on one of the tie rods 38 between the spherical washer 41 and the nut 42 thereof. Adjusting nuts 42, 42 are operatively mounted on the end of the threaded stem section of the tie rod 38 for varying the compression on the spring member 46. (The latter springloaded tie rod enables the support section 32 to be resiliently maintained in sealing engagement with the cooling seat 17 and at the same time prevents the support section 32 exerting excessive pressure on the cooling seat 17 which is generally formed of a softer metal, such as copper, and which might be damaged by the stainless steel nozzle 32.

The tubular assembly 30 which is mounted in the axial passage 31 of the support section or nozzle 32 is comprised of a cylindrical member in the form of a burner cooling jacket 51 in slidable engagement with the inner surface of passage 31. The jacket is formed of spaced coaxial cylindrical wall section 52, 53, respectively. The wall section 53 defines an axial passage 53' which is adapted to support therein a burner pipe 64 or other member. The forward ends of the spaced wall sections 52, 53 are sealably joined by an end flange 54 preferably welded together and the rear end of wall 52 is sealably joined to the lateral surface of wall 5-3 by an end ring 55 at a point spaced forwardly from the rear end thereof preferably by welding. The wall sections 52, 53 have two longitudinally extending interior baflles 56, 57 (see FIG. 3) sealably connecting the inner surfaces at diametrically opposite sides of the annular passage formed therebetween. 'I he baflies 56, 57 extend longitudinally forwardly from the end ring 55 and terminate at a point spaced a short distance rearwardly from the end flange 54. A passageway is thus provided for the flow of cooling fluid entering the jacket 5 1 through the inlet conduit 58 which guides the fluid past the end flange 54 and out of the jacket through the fluid conduit 59, A sealing gland 75 and suitable packing 76 are mounted in a recess formed in the transverse rear end surface of the supporting section 32 about the end of the axial passage 31 and form a gas-tight seal between the lateral surface of the burner jacket 51 and the supporting section 32. The gland 75 is held in operative position by a pair of threaded fasteners 77 extending into the flange 35 and by a nut 78 on adjusting rod 80'.

The cylindrical wall section 53 which extends axially rearwardly beyond the end ring 55 is provided with a fluid conduit coupling means 61 communicating with the interior of the axial passage 53. The rear end of the wall section 53 is threaded, as at 62, and has a tubular end wall 68, thereby forcing the fluid to pass outwardly through the openings 79.

The flange is provided with a burner jacket adjusting rod 80 which is held in a threaded opening in flange '35 spaced a short distance laterally from the wall 52 of the burner assembly 30 and extends rearwardly substantially parallel with the longitudinal axis of the burner jacket 51. The rod 89' extends rearwardly a distance suflieient to accommodate the maximum variation required in the longitudinal adjustment of the tubular assembly 36 and is preferably threaded through its length. A burner jacket rod supporting bracket- 85 having one end thereof fixedly secured to the lateral surface of the burner jacket 51 adjacent the rear end thereof is mov-ably mounted on the rod 30 and is held thereon in any desired position by a pair of adjusting nut members 86, 87 which thread-ably engage the rod 86 on opposite sides of the bracket member 85. p

The burner jacket 51 also has fixedly secured thereto adjacent the rear end thereof a supporting bracket 94 for a burner pipe adjusting rod 91. The bracket 96 is preferably adapted to support the adjusting rod 91 in a passage extending therethrough with the rod 91 being held secure- 1y therein between adjusting nuts 92, 93 which treadably engage rod 91 on opposite sides of the bracket 93. The adjusting rod 91 is preferably threaded throughout its length and extends substantially longitudinally beyond the end of thezadjusting rod 80 to permit positioning the tip of the burner pipe '64 rearwardly within the burner jacket 51 when the latter is in its most rearward position of adjustment. The positioning of the burner pipe 64 is effected by a burner pipe bracket 95 fixed to the pipe 64 at a point spaced slightly inwardly from the outer end thereof and slidably mounted on the rod 91. The bracket 95 is held in any desired position on the rod 91 by means of adjusting nuts 96, 97 which are threadably mounted on rod 91 and disposed on opposite sides of the bracket 95.

' In operation, the burner support member or nozzle 32 is adjustably held in the cooling member 17 at the angular adjustment required by the particular furnace design and material being heated. The angular position of the burner support member 32 and hence the assembly 30 mounted therein is determined by rotation of the adjusting nuts 42, 42 on the tie rods 38 which changes the distances between the bracket 35 and the anchor rings 49 on the wall 10 to which the tie rods 38 are detachably secured. One

adapter fitting 63 mounted thereon. The adapter fitting 63 supports the rear end of a small diameter tubular member in the form of a burner pipe 64 which is disposed axially wi-thin the tubular wall section 53 and, together with the cooperating adjusting nut 65, sealably closes the end of the tubular wall section 53.

.Since the supporting section 32 has gas-tight seals at both its forward and rear ends, and the outer ends of the tubular sections 52 and 53 are also sealably closed, it will be evident that the apparatus provides a gas-flight system for an adjustable mounting means which can be used with a pressurized furnace, or the like.

A fluid material, such as secondary oxygen, enters through fitting 61 and flows forwardly through passage 53 and leaves the burner assembly through a plurality of angularly directed and circumferentially spaced opening 79 in the flared end section 68 of the burner pipe 64. The flared end section 68 of the burner pipe-64 slidably engages the inner surface of wall section 53 to form an endwall for the angular passage 53' and substantially prevents fluid passing between the wall section 53 and the of the apertures 37 in the flanges 35 has a spring-loaded tie rod member secured thereto and resiliently maintains the support member 32. seated in the cooling housing member 17. The extent to which the end of the burner assembly 30 extends outwardly or inwardly of the inner surface of the furnace wall 10 is determined by adjustment of the threaded nuts 86, '87 threadably motmted on rod 80.

With the burner assembly 30 operatively seated in the suport member 32 and with the cooling fluid flowing e.g., powdered coal, are passed inwardly through the axial burner pipe 64 and secondary oxygen is introduced through the fitting 61 so that the oxygen flows through the annular passage 53' and outwardly through the spaced opening '79 in the end section of the burner pipe 64. The secondary oxygen intercepts the stream of primary oxygen and coal, and the quantity and velocity of the secondary oxygen determines the length of the flame. After the proper quantity of coal, primary oxygen and secondary oxygen are determined, the burner is ignited, and the burner tube 64 is adjusted axial-1y by rotating the adjusting nuts 96, 97 on the rod 91 (or if desired, by rotating nuts 92 and 93 on the other end of rod 91) to increase or decrease the distance between the outer end of the burner tube 64 and the outer end of the cooling burner jacket 51.

When it is desired to remove the burner assembly 30 from the surface wall 10, as when a new burner assembly is required, the spring member 46 is compressed and the end of the spring-loaded tie rod 38 is unhooked from the anchor ring 40' to which it is secured. Thereafter, the remaining anchor rods 38 can be quickly and easily disengaged from their respective anchor points 40 without altering the position of the adjusting nuts 42, 42 by tilting the supporting member 32 and the flange 35 in the direction of the said anchor rings 48 associated therewith. With all the anchoring tie rods 38 disengaged from the anchor rings 40, the burner assembly 3%) and support member 32 can be rapidly removed as a unit from the opening in the furnace wall it) without disturbing the angular adjustment of the support member 32 and replaced with a new burner assembly or burner pipe. Thus, with the construction of the present invention, it is unnecessary to handle a great many threaded parts and the time and effort required for changing a burner unit is reduced to a minimum.

It will be understood that while the specific embodiment of the present invention described herein has related to mounting a burner, other equipment and apparatus can be mounted in the support section or nozzle, such as a peep sight, blowpipe, valve structure, or the like.

Others may practice the invention in any of the numerous ways which are suggested to one skilled in the art, by this disclosure, and all such practice of invention are considered to be a part hereof which fall within the scope of the appended claims.

I claim:

1. A supporting structure for a burner assembly comprising, a tubular burner supporting section having an axial passage extending therethrough, said burner supporting section having at one end thereof a generally spherical bearing surface adjustably and sealably seated in a generally spherical seat member adapted to be affixed in a passage extending through a Wall of a chamber which is to be heated and having an axial passage extending therethrough, said supporting section having secured thereto at a point spaced from said one end thereof a mounting bracket which extends laterally of said supporting section and said mounting bracket having a plurality of anchor points thereon at substantially equally spaced points around the periphery thereof, each of said anchor points having an adjustable positioning means secured thereto adapted to be detachabiy engageable with a retaining means for angularly adjusting the said burner sup porting section, said mounting bracket having an adjusting rod extending rearwardly therefrom in an axial direction spaced from the longitudinal axis of the said supporting section, and said adjusting rod having an adjusting bracket adjustably mounted thereon and adapted to be secured to a tubular member which is disposed sealably in the said supporting section and movable longitudinally and sealably 'with respect thereto.

2. A supporting structure for angularly and sealably adjustably mounting a member in an opening through a chamber wall which comprises; a supporting section having an axial passage extending therethrough for supporting a member therein, said supporting section having at one end thereof a bearing surface adapted to be angularly and sealably adjustably disposed in a seat member mounted in an opening extending through a wall of a chamber and having an axial passage, said supporting section having fixedly secured thereto at a point spaced from said one end thereof a mounting bracket which extends laterally of the lateral surface of the said supporting section, said mounting bracket having a plurality of anchor points adjacent the outer edge thereof, positioning means detachably secured to each of said anchor points and said positioning means having the efieetive length thereof variable to permit angularly positioning said supporting section relative to a chamber wall with which said supporting section is adapted to be associated, said supporting section having reciprocably and sealably mounted in the axial passage thereof a cylindrical member having an axial passage extending therethrough, and said bracket fixedly 6 supporting a cylindrical member adjusting rod which extends rearwardly therefrom in an axial direction with a cylindrical member bracket afiixed to said cylindrical member and engageable with said adjusting rod for longitudinally adjustably and sealably axially positioning the said cylindrical member with respect to the said supporting section.

3. A supporting structure as in claim 2 wherein said cylindrical member has a tubular member reciprocably and sealably mounted in an axial passage therein, and wherein the said cylindrical member has a tubular member adjusting rod means aflixed to an outer lateral portion of said cylindrical member extending rearwardly in an axial direction, and said tubular member has an adjusting rod bracket secured thereto which adjustably engages the said tubular member adjusting rod means, whereby the position of the said tubular member with respect to the said cylindrical member is adjustable.

4. A supporting structure for adjustably mounting a member in an opening through a chamber wall comprising; a tubular body supporting section having an axial passage extending therethrough, said body supporting section having at one end thereof a rounded bearing surface adapted to adjustably and sealably engage in a correspondingly rounded seat member provided with an axial passage therethrough which is adapted to be afiixed in an opening extending through a chamber wall, said supporting section having fixedly secured thereto at a point spaced from said one end thereof a mounting bracket which extends laterally of said supporting section, saidmounting bracket having anchor points at substantially equally spaced points thereon for engagement with positioning means, and a plurality of adjustable positioning means in engagement with said anchor points, said supporting section having said axial passage extending theretlnough adapted to be in axial alignment with the said passage in said seat member and having a cylindrical member slidably disposed in the axial passage of said supporting section, said mounting bracket fixedly supporting an adjusting rod spaced from the lateral surface of said cylindrical member and extending rearwardly in an axial direction substantially parallel With the longitudinal axis of the said supponting section, and a supporting bracket secured to said cylindrical member which is adjustably mounted on said adjusting rod for longitudinally and sealably positioning said cylindrical member with respect to the said supporting section.

5. A supporting structure as in claim 4 wherein the said cylindrical member fixedly supports a second adjusting rod spaced from the first said adjusting rod, and said second adjusting rod extending rearwardly in an axial direction and having movably mounted thereon a second supporting bracket secuned to a tubular member mounted co-axially with said cylindrical member.

6. A furnace chamber having a wall with an opening therein, a supporting structure for adjustably mounting a burner in said wall opening comprising an elongated tubular support member having at one end thereof a substantially spherical bearing portion, a complementary seat for said bearing portion on said furnace wall and having an axial passage extending therethrough in registry with said furnace wall opening, said bearing portion of said tubular support member being in angularly and sealably adjustable engagement with said complementary seat,

'flange means adjacent the other end of said support member extending radially from said support member and having a diameter at least equal to said bearing portion, said flange means having connected therewith at least three substantially equally spaced, elongated ties adapted for detachable interconnection with spaced retainer means fixed to said wall, and adjustment means on said ties for varying the effective lengths of said ties, and said flange means interposed between said suppont member and said adjustment means to prevent radiant heating of said adport member relative to its seat can be readily adjusted.

7. A supporting structure for adjustably mounting in a wall opening through a furnace chamber comprising; an elongated tubular support member having at one end thereof a rounded bearing portion adapted to be angularly and sealably engageable in a complementary seat formed in a wall of the .furnace chamber, a radially extending flange forming a mounting bracket fixedly secured to said support member adjacent the other end of said support member and having a diameter greater than the diameter of said bearing portion, said flange having a plurality of wing portions extending outwardly from a peripheral edge of said flange in circumferentially spaced relationship, said wing portions extending angularly from the plane of said flange toward said other end of said support member, a plurality of elongated ties connected to said wing portions and adapted to extend angularly from said wing portions to retainer means, a plurality of adjustment means associated with said ties for changing the effective length of said ties, and said flange being interposed be- 8 tween said bearing portion of said support member and said adjustment means to prevent radiant heating of said adjustment means; whereby the angular position of said support member relative to said seat can be readily adjusted.

References Cited in the file of this patent UNITED STATES PATENTS 1,362,702 Ives Dec. 21, 1920 1,500,473 Torresson et al July 8, 1924 1,518,723 Wirth-Frey Dec. 9, 1924 1,925,164 Woolery Sept. 5, 1933 2,055,366 Schrader Sept. 22, 1936 2,404,663 Shommer July 23, 1946 1 FOREIGN PATENTS 827,718 France Jan. 28, 1938 334,722 Great Britain Sept. 11, 1930 506,622 Great Britain June 1, 1939 516,183 Great Britain Dec. 27, 1939

Patent Citations
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Referenced by
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US3663201 *Nov 17, 1969May 16, 1972Canada Steel CoProcess for production of sponge iron
US4032287 *Jun 16, 1975Jun 28, 1977United States Steel CorporationCombination burner
US4302179 *Jun 28, 1979Nov 24, 1981Laidlaw, Drew & Co. Ltd.Burner holder with quick release and lockup mechanism
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Classifications
U.S. Classification431/189, 431/160, 431/186, 285/261, 110/261
International ClassificationF23C5/06, F23C5/00
Cooperative ClassificationF23C5/06
European ClassificationF23C5/06