JPS60213715A - Burner device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is based on U.S. Pat.
No. 84.424, No. 4,257,762, and other radial wall combustion devices.

The present invention relates to a burner that draws air and gas for firing out of an opening at the end of the burner tube.

Furthermore, the invention is applicable to burners that use forced air or forced air/gas for combustion outside the opening at the end of the burner tube; this outlet groove or opening prevents flashback into the burner tube. The aim of the invention is to speed up the combustible waste and/or to increase the velocity of the combustible scum and/or to increase the gas-air mixture at a sufficient velocity for the radiant wall combustion system. The goal is to maintain effective combustion.

Another object of the present invention is cloudy radiant furnace M#:
7 to provide a substantially uniform outward flow through the top opening. Another object is to provide improved distribution of the air or gas-air mixture through openings or vortices provided in the end of the burner tube near the furnace wall.

The invention can be used in a variety of gas-air or air-gas mixture burners, for example the invention can be used in forced air premixed with gas or in US Pat. No. 4,257,776.
Includes a burner for use with a unit as shown in No. 2. The present invention relates to dispersing fluid flow at a downstream end.

Embodiments of the present invention provide a gas burner system for a furnace in which a high velocity fuel gas stream exits an orifice and is drawn into a mixing zone of a combustion sustaining air burner tube where it mixes with air. The burner tube is inserted into an oversized opening through the furnace wall and terminates at its "downstream end" near and beyond the interior wall of the furnace. The inner wall of the furnace surrounding the furnace opening typically includes radial walls. The downstream end of the burner tube is closed. A plurality of openings, such as grooves or holes, are provided near the downstream end of the burner tube through which the gas-air mixture is discharged radially outward along the furnace wall, where it enters the combustion chamber. A 70-divider consisting of a five-dimensional cylindrical member is located near the downstream end and permanently or temporarily centered within the burner tube. The cylindrical flow divider is located at the opening and adjacent the inner periphery of the burner tube, effectively dividing the opening into a downward flow section and an upward flow section. A portion of the fuel-air mixture passing inside the flow divider flows into the downward flow portion of the opening.The remaining portion of the fuel-air mixture passing through the annular space located between the flow divider and the burner tube is ℃ flows through the upper flow portion of the opening.

That is, in the present invention, the gas burner device supported in the opening in the furnace wall is configured to allow gas and/or air to flow out through the inner burner hole and then through the opening in the rice grains to burn along the wall surface. This provides substantially uniform radiant heat energy '(r-) directed outwardly to the furnace.Flow dividers positioned opposite these openings
, = a separation of the gas and/or air portions to improve their distribution and prevent flashbacks in the event that the fuel/air mixture and/or its flow is disrupted.

A specific example will be described below.

BRIEF DESCRIPTION OF THE DRAWINGS Before proceeding with a detailed description of the invention, it is to be understood that the invention is not to be limited in its application to the details of construction and arrangement disclosed in FIG. That is, the present invention can be implemented in other embodiments than those shown in the drawings, and can also be implemented in other ways. The terms and phrases used here are for mere explanation and should not be construed in a limiting sense.

The burner apparatus of FIGS. 1 and 2 is indicated generally by the numeral 9 and 10, and this apparatus 10 is a furnace-wall 16? 1st place for shellfish
The opening 12 is formed as a part of the burner block 14. It is inserted through.

Basic scum/air raid mixed burner outfit shown here%1
．． The present invention is not limited to what is shown herein and is merely standard (122).
or welded or bolted to n. Mounting plate 18
&1 burner tube 3cl? It is centrally supported and includes an opening for regulating the flow of secondary air as shown. A centering projection 32 is provided in the annular space between the burner tube and the guide member. Suction part I for primary nitrogen from muffler I
The air is also drawn into the burner tube 30, as shown by the band 38, where it is mixed with gas before being discharged from the downstream end 41.

As mentioned above, the present invention relates to further improvements in the flow of a gas/air mixture from the downstream end. The downstream end is closed by a normally nine-conical plug 42. The downstream periphery of the burner tube 30 is provided with an order of spaced openings or grooves 44 . These openings 44 essentially vent gas/air outward for combustion along the furnace walls and tile surfaces 46. This tile surface 46 can provide additional radiant heat V to the inner surface of the furnace in a known manner. The present invention relates primarily to a flow divider 50. This divider 50 is provided inside the burner tube adjacent to the downstream end. This flow divider 50 consists of nine cylindrical bodies,
The cylinder has outwardly projecting projections or legs 52 for centering the flow divider 50 in the position shown. Other centering means, such as protrusions from the cylindrical body, are also included in the invention. The flow divider 50 can also be permanently secured in a central location by means such as welding. The downstream end of the flode is in close proximity to the opening and to the inner periphery of the burner tube, thus separating the opening into a downward flow 54 and an upward flow 56.

3 and 44 show other embodiments of the present invention. In Figure 3 &
A straight burner tube 60 has an end cap 62.

It has a plurality of grooves 64 arranged inside the tip.

In this embodiment, a flow divider 66 is disposed around the tip and also includes a centering member 68. Also shown in Figure 4 is a burner tube 70 having a straight or curved end cap 72 without a V as shown and a plurality of holes 74 surrounding the tip. Flow divider 76 with centering member 78
are positioned as shown.

5, 6 and 7 show different shapes of flow dividers 84, 8.
6.90 is shown. The flow divider in FIG. 5 is a diagonal member 8 separating grooves 82, the flow divider in FIG. 6 is between right angle members separating grooves 88, and the flow divider in FIG. 7 is a bevel separating grooves 92. It is a shaped member 90.

[Brief explanation of drawings]

Fig. 1 is a partial sectional view of the apparatus of the present invention when positioned on the furnace wall, Figs. 2 and 2 are enlarged sectional views of Fig. 1, and Figs. 3 and 4 show other embodiments of the invention. figure. Figures 5, 6 and 7 illustrate other configurations of flow divider buckles within the scope of the present invention. . Explanation of symbols 10: Burner device 12: Opening 14: Burner block 16: Furnace wall 18: Mounting plate addition, 22: Plate material 30
: Burner pipe 32: Centering protrusion 36: Suction part 40:
Downstream end 42 Nib Lug 44: Opening 46: Tile surface
50.66, 76, 84.86.90: Flow divider 52: Leg 54 = downward flow 56: upward flow ω, 70
:Burner pipe 62.72 :End cover 64:Groove 68
．． 78: Centering member 74.82.88.92: Hole patent applicant John Zink Kannokuni (5 others)

Claims (9)

[Claims] (1) A gas burner apparatus for a furnace, wherein the fuel fluid stream and/or combustion process maintenance air flows through a burner tube within the furnace, the burner tube passing through a furnace wall within an oversized opening. and the downstream end of the burner tube is closed, and the burner tube is provided with a number of openings near the downstream end, and from the openings, the burner tube is inserted into the furnace wall surface surrounding the burner tube in a radial direction. The fluid is overflowing and flowing outward. A flow divider is provided adjacent the opening and inside the burner tube to separate the fluid flow through the opening into a downward flow and an upward flow, such that a portion of the fluid flow passes through the inside of the flow divider. and then passes outwardly from a lower flow portion of said opening, while a remaining portion of said fluid flow passes through a gap between said flow divider and said burner tube and then exits from an upper flow portion of said opening. (2) a flow divider having an undersized cylindrical member centrally located inside the burner tube near the downstream end; A burner device according to claim 1, which is oriented close to the periphery and is colored. 3. The burner device of claim 2, wherein the flow divider includes means for centering the cylindrical member within the burner tube. (4) A gas burner apparatus for a furnace in which a high velocity fuel gas stream emerges from at least one orifice and is drawn into and mixed with the mixing zone of a combustion sustaining air l burner tube, the burner tube being connected to a wall of the furnace. inserted into an oversized opening passing through the burner tube so that the downstream end of the burner tube cannot be closed;
A large number of openings are provided near the downstream end of the burner tube, from which gas and air are jetted outward for combustion along the radial furnace wall surrounding the burner tube. A flow divider is provided on the inside of the burner tube adjacent to the opening to separate the open downward flow and upward flow, so that a portion of the firing material/air mixture σ) flows inside the flow divider. and then passes outwardly from the lower flow portion of the opening, while the remaining portion of the fuel-air mixture passes through the gap between the flow divider and the burner tube and then exits from the upper flow portion of the opening. . (5) An undersized cylindrical member with a flow divider located centrally inside the burner tube near the downstream end? 4, wherein the downstream end of the flow divider is oriented close to the inner periphery of the burner tube at the opening. (6) A self-mounted burner device, wherein the flow divider includes means for centering a cylindrical member within the burner tube. (7) The burner device according to claim 1 or 4, wherein a portion of the flow divider that is close to the opening has a curved surface. (8) A burner device according to claim 1 or 4, wherein the portion of the flow divider adjacent to the opening has an inclined or beveled surface. (9) Is the part of the flow device close to the opening approximately perpendicular to the opening? A burner device w according to claim 1 or 4.