JPH0217328A - Broiling device - Google Patents

Abstract

PURPOSE:To prevent a damage of a door in gas table cooking furnace using city gas by a method wherein a lower burner and an air blower are arranged at both sides of a heating chamber below a burning net and an air injecting part of an air blower device is extended to a door for opening or closing flame holes of the lower burner. CONSTITUTION:A lower burner 13 having a row of flame holes 12 for forming bunzen flame at both sides of a heating chamber 10 below a burning net 8. An air blower 15 having an air injection part 14 in parallel with the row 12 of the flame holes 2 is arranged, and then the air injection part 14 is extended to a part near the opening or closing door 6. With this arrangement, the upper and lower burners 11 and 13 are ignited and the air blower 16 are operated, air is injected from an air hole 19 of the air injection part 14 toward a bottom part along an air direction plate 17, reversed and becomes an ascending air flow so as to heat a cooked item. Simultaneously, a cold air is injected to a part near the opening or closing door 6 and an air curtain is formed between the door 6 and the rows 12 of flame holes. Accordingly, a glass is protected against hot air and its damage is prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a gas staple stove using gaseous fuel such as city gas or liquefied petroleum gas, a roaster installed in a stationary stove, or a roaster as a single item. Regarding.

Conventional technology In a roaster equipped with a conventional gas staple stove or stationary stove, as shown in Fig. 4, a ceramic perforated plate, wire mesh, or punched metal flame hole plate is installed near the ceiling of the heating chamber 1 in the upper part. There is a type of double-sided grill that is equipped with a burner 2 and a lower burner 5 that forms Bunsen flames on both left and right sides of the lower part of a heating chamber 1 via a grill 4 on which an object to be cooked 3 is placed.

Problem to be Solved by the Invention In the double-sided grill shown in FIG. The food was heated and cooked at the same time. In this case, since the lower burners 6 are located at the left and right lower portions of the food to be cooked 3, the combustion heat from the left and right lower burners 6 cannot reach the center, and the temperature distribution directly under the grill 4 is convex to the left and right. Because of this temperature distribution, the bottom surface of the object to be cooked 3 was extremely unevenly grilled on the left, right and central portions, making it difficult to obtain good cooking results. Furthermore, since the upper burner 2 and the lower burner 5 are used at the same time, overheating occurs in various parts of the heating chamber 1, and the temperature tends to rise particularly in and around the opening/closing door. As a result of overheating, if water droplets etc. during cooking were scattered on the glass plate, the worst result could be destruction.

Means for Solving the Problems In order to solve the above-mentioned problems, the roaster of the present invention arranges a grill grate on which the food to be cooked is placed in the center of a heating chamber having an opening/closing door, and heats the area below the grill grate. A lower burner is provided on both sides of the chamber, and a blower device is provided near the lower burner or integrally with the lower burner and has an air jet section arranged parallel to the row of flame holes of the lower burner, and the end of the air jet section is connected to the flame of the lower burner. A 1° design that extends from the end of the row of holes to the opening/closing door side.
According to the above-described structure, the present invention collects hot air generated by combustion in the row of flame holes of the lower burner arranged on the lower side of the heating chamber in the vicinity of the lower burner or integrally with the lower burner. The diffused air flow ejected from the air jets arranged parallel to the air outlet disperses the air over a wide area to maintain uniform heat distribution at the bottom of the grill, while also opening and closing the end of the flame hole row of the lower burner. An air curtain is created near the opening/closing door by the air flow jetted from the air jetting section extending to the door side, and as a result, the temperature of the opening/closing door can be lowered.

EXAMPLE Hereinafter, an example of the roaster of the present invention will be described based on the attached drawings.

Figures 1 and 2 show a roaster of the present invention, which has an opening/closing door 6 made of a glass plate on the front and an oil pan with a grill 8 on which the food to be cooked 7 is placed on the bottom. There is a heating chamber 10 in which a heating chamber 9 is arranged. Via the grill 8, an upper burner 11 with a wire mesh as a flame hole is placed near the Oi section of the heating chamber 100,
There is a lower burner 13 on both left and right sides of the lower part of the heating chamber 1o, in which a row of flame holes 12 for forming a Bunsen flame is arranged.
A blower device 16 having an air jet section 14 arranged parallel to the lower burner 13 is provided integrally with the lower burner 13 directly above the lower burner 13, and the blower 16 is connected to the rear end of the blower device 16. Further, the terminal end of the air blowing part 14 on the door θ side is extended closer to the door 6 than the end of the flame hole row 12 on the door 6 side. On the other hand, directly above the air jet section 14, an air hole plate 17 for controlling the direction of air flow is provided in a symmetrical manner.

FIG. 3 shows a unit in which the lower burner 13 and the blower device 15 are integrated, with left and right flame hole rows 12 and flame transfer hole portions 18.
Directly above the lower burner 13 connected to the left and right flame hole rows 12
An air jet section 14 having an air hole 19 is arranged in parallel with the above.

Next, the operation of the above configuration will be explained.

At the same time as the burner 11 and the lower burner 13 are ignited, diffused air is fed into the blower 15 from the blower 16, and the diffused air flow jetted out from the air hole 19 of the air jetting section 14 is directed along the wind direction plate 17. The direction of the Bunsen flame formed by the flame hole array 12 of the lower burner 13 is similarly controlled diagonally downward. The left and right hot air currents generated as a result of the above are directed diagonally downward, so they become gentle upward air currents near the bottom of the grill 8, heating the bottom surface of the food to be cooked 7 while forming a substantially uniform heat distribution. On the other hand, the upper burner 11 forms a film flame at the flame hole portion formed by the mesh of the wire mesh, and emits radiation onto the upper surface of the object to be cooked 7 below by the red heat of the wire mesh. At this point, the object to be cooked 7 can be uniformly heated at the same time by radiation from the upper surface and uniform hot air flow from the lower surface, and good cooking results can be obtained.

Furthermore, the air holes 1 of the air blowing part 14 are provided extending from the end of the flame hole row 12 of the lower burner 13 toward the opening/closing door 6 side.
The diffused air flow ejected from the flame hole row 12 hardly touches the flame formed in the flame hole row 12, and forms an air curtain as a cold air flow between the opening/closing door 6 and the end of the flame hole row 12, resulting in the opening/closing. The temperature of the glass plate of the door 6 is lowered. Therefore,
Even if water droplets or the like scatter from the outside or adhere to the landscape, the glass plate will not undergo rapid thermal contraction and can be prevented from being destroyed.

In addition, since the air jetting section 14 is arranged directly above the lower burner 13 and parallel to the flame hole row 12 of the lower burner 13, the wind direction plate 17 can be attached directly to the air jetting section 12, and as a result, the air blowing out from the air jetting section 14 is The slope of the diffused air flow can be controlled very easily.

Effects of the invention (1) A cooking grate is provided in the center of the heating chamber with an opening/closing door, and lower burners are provided on both sides of the heating chamber below the grate. By installing a blower with an air jet section arranged parallel to the row of holes, and by arranging the end of the air jet section closer to the opening/closing door than the end of the row of flame holes of the lower burner, the flame generated by the left and right lower burners can be reduced. By controlling the direction of the grill, the heat distribution at the bottom of the grill is uniform, and the food being cooked can be heated evenly from below. At the same time, an air curtain is created near the opening/closing door to lower the temperature of the opening/closing door. can.

(2) By providing the air jet section above the flame hole row of the lower burner, a wind direction plate that controls the air flow can be installed directly above the air jet section, making it easy to control the outflow direction of the diffused air flow. can do.

[Brief explanation of the drawing]

FIG. 1 is a side longitudinal sectional view of an embodiment of the roaster of the present invention;
Figure 2 is a front vertical sectional view of the same embodiment, Figure 3 is a perspective view of a unit that integrates the lower burner and blower device applied to the roaster, and Figure 4 is a front view of the conventional roaster. FIG. 6... Opening/closing door, 7... Food to be cooked, 8.
...Grilling grid, 1o...Heating chamber, 12...
... Flame hole row, 13 ... Lower burner, 14 ...
...Air blowing part, 16...Blower device. Name of agent: Patent attorney Shigetaka Awano and one other person.
, -VlY Gaffle Raft 81I Rishimo+2-Saki Jun-Ryu 13-・Shimokutsu p Berg Figure 3 Figure 4

Claims (1)

[Claims] A heating chamber with an opening/closing door, a grill for placing the food to be cooked in the center of the heating chamber, lower burners provided on both sides of the heating chamber below the grill, and near the lower burner or integrally with the lower burner.
A roaster consisting of an air blower having an air jet section arranged parallel to the row of flame holes of the lower burner, and the end of the air jet section is located closer to the opening/closing door than the end of the row of flame holes of the lower burner.