JPH0212463Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention is a gas burner in which a plurality of plates having a large number of combustion holes are arranged side by side, and the flame transfer time is reduced by quickly transferring the flame between the plates at the time of ignition. This invention relates to an improvement in the length of the fire transfer plate of a gas combustor.

(Prior Art) As shown in FIG. 5, the conventional fire transfer board has a side plate 6' bent at a right angle to the side end of the top plate 5', and
It has a structure in which a back plate 7' extending to the plate 2' is provided on the top plate 5', and the top plate 5' is parallel to the plate 2', and the side plate 7' is placed on the side far from the pilot burner 10' (pilot burner It is installed so as to hang down near the plate 2'b on the downstream side of the gas flow from 10' (the same applies hereafter in the main text).
Therefore, as shown in FIG.
The gas ejected from the combustion hole b enters the area surrounded by the top plate 5', side plate 6' and back plate 7', and the area is sufficiently filled with gas and is later ignited by the pilot burner 10'. , the flame of the plate 2'a on the side closer to the pilot burner 10' (the upstream side of the gas flow from the pilot burner 10'...the same applies in the text below) is transferred to the plate 2'b on the downstream side. Therefore, the gas ejected from the plate 2'b on the downstream side is considerably blocked by the side plate 6' before it fills up, making it easy to escape from the front, and the gas ejected from the plate 2'a on the upstream side and The ignited flame also flows in the direction of the front plate 2'a (toward the right in the figure), which has no side plate, as shown by the arrow in Figure 6, so the flame transfer is extremely poor and takes a long time. There were flaws.

(Problems to be Solved by the Invention) In view of the above points, the present invention ensures that the gas ejected from the downstream plate flows in the direction of the upstream plate, and A side plate is provided hanging down to face the front plate, so that the gas ejected from the front plate is directed toward the downstream plate, and from the front plate to the downstream plate at the time of ignition. The purpose of this is to improve the flame transfer performance and shorten the flame transfer time.

(Means for solving the problem) The present invention provides a top plate that spans both plates with a downward slope from the front plate side to the downstream plate side, and the front plate side of the top plate The above-mentioned problem was solved by hanging a side plate from one end of the table and connecting a back plate that bends at right angles to the top plate.

(Function) With the above configuration, the gas ejected from the combustion holes of the downstream plate is reliably guided toward the upstream plate by the sloped surface of the top plate that is sloped downward in the direction of flame transfer with respect to the plate surface. In addition, by providing a side plate hanging down from the front plate, a part of the ignited gas ejected from the combustion hole of the front plate is surrounded by the back plate, side plate, and top plate. Together with the slope of the top plate, the gas flows slightly in the direction of the downstream plate, collides with the gas ejected from the downstream plate, and is ignited. Therefore, the fire transfers quickly and reliably from the upstream plate to the downstream plate.

(Example) Hereinafter, an example of the present invention will be described based on the drawings.

In FIG. 4, 3 is a gas burner made up of four plates 2 having a large number of combustion holes 1 arranged in parallel.
A fire transfer plate 4 is provided outside the adjacent portions of the adjacent plates 2a, 2b and 2c, 2d so as to straddle both plates 2. Reference numeral 10 denotes a pilot burner, and in front of the pilot burner, a flame dividing plate 11 is installed on front plates 2a and 2c located on the left and right sides to divide the pilot burner flame into left and right sides. As shown in FIGS. 1 and 2, the fire transfer plate 4 is
The rectangular top plate 5 is lowered from the front plate 2a side to the downstream plate 2b side so as to narrow the gap with the downstream plate 2b and widen the gap with the downstream plate 2a. In other words, the plate 2 is tilted downward in the fire transfer direction, and the side plate 6 is bent perpendicularly to the plate 2 on the plate 2a side on the upstream side of the top plate 5 until it is close to the plate 2. A back plate 7 is bent at a right angle and integrally formed on one side of the top plate 5, and the lower end of the back plate 7 is bent rearward at a right angle to attach a mounting seat 8 to the gas burner body. is formed. Reference numeral 9 denotes a through hole through which a screw 12 formed in the mounting seat 8 is inserted. Incidentally, the fire transfer plate 4 shown in Figs. 1 and 2 is installed between the plates 2a and 2b of the gas burner 3, and the fire transfer plate installed between the plates 2c and 2d is different from that for the plates 2a and 2b. The configuration is for left and right hands. Thus, the gas ejected from the downstream plate 2b is guided slightly upwardly toward the upstream plate 2a along the slope of the top plate 5, while the gas is ejected from the upstream plate 2a. A part of the gas enters and accumulates in the area surrounded by the side plate 6, back plate 7, and top plate 5, and flows slightly toward the downstream plate 2b.
Unlike the conventional example, gas does not flow out in the direction of the pilot burner 10 (to the left in the figure) due to the influence of the gas ejected from the downstream plate 2b. It is ignited by colliding with the ignited flame, and the flame extends in the direction of the downstream plate 2b (to the left in the figure), and the gas expelled from the downstream plate 2b is quickly and reliably ignited.

(Effects of the invention) As mentioned above, in the present invention, the top plate of the fire transfer plate is sloped downward in the direction of fire transfer with respect to the plate, and the side plates are provided so that ignited gas is well captured. There is an advantage that the fire transfer can be done reliably and quickly, reducing the time required for the fire to transfer, and increasing the safety.

[Brief explanation of the drawing]

1 and 2 are perspective views of a fire transfer plate of a gas combustor according to the present invention, and FIG. 3 is a schematic diagram showing the relationship between the fire transfer plate and the plate and the flow of ejected gas according to the present invention, Figure 4 is a front view of a gas burner equipped with a fire transfer plate, Figure 5 is a perspective view of a conventional fire transfer plate, and Figure 6 shows a conventional fire transfer plate and the relationship between the plate and the flow of ejected gas. It is a schematic diagram. 1... Combustion hole, 2... Plate, 2a... Plate on the upstream side, 2b... Plate on the downstream side, 3...
... Gas burner, 4... Fire transfer plate, 5... Top plate, 6
...Side board, 7...Back board.

Claims (1)

[Scope of utility model registration request] Adjacent plates 2 of a gas burner 3 formed by arranging a plurality of plates 2 having a large number of combustion holes 1 in parallel.
In the fire transfer plate installed adjacent to the top plate 2, the top plate 5 spanning both plates 2 has a downward slope from the front plate 2a to the downstream plate 2b, and A side plate 6 hanging down from one end of the side plate 2a close to the plate 2a;
This fire transfer plate for a gas water heater is characterized in that a back plate 7 extending to the plate 2 is provided on one side of the top plate 5.