JPS60218510A - Kerosene burner - Google Patents

Abstract

PURPOSE:To make the titled burner thin by controlling backward thermal radiation by making the burner into platelike one, by a method wherein the upper part of the front of a combustion chamber is made into a red heat part to be obtained by providing densely large diameter holes, the front of an external cylinder against the red heat part is provided with a transmittable material of heat rays and a part of the back of the external cylinder against the back of the combustion chamber is provided with a heat insulation material. CONSTITUTION:Fuel is evaporated through the tip of a wick 4 and ascended within a combustion chamber. On the one hand, air is entered through an air hole 8a of an external cylinder 8, streamed into a combustion chamber 7 respectively through a large and small air holes 7a, 7b, and mixed with the evaporated fuel for combustion here. As for the upper part of a front plate 7'', especially, having a large hole 7b, its heat capacity is low and it is heated strongly at a red heat. Radiant heat rays from the upper part of the front plate 7'' at a red heat is released forward of a main body 1 by transmitting through heatproof glass 9. Backward heat radiation is interrupted by providing a heat insulating material 10 between a back plate 7' and the external cylinder 8. Then as a back wall of the main body 1 can be arranged close to the back of the external cylinder 8 the titled burner can be made into the thin one.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a wick vaporization type oil combustor, which can be used in oil stoves, oil fan heaters, and the like.

Conventional structure and problems Lighting wick vaporizing oil combustors have been widely used in oil stoves, oil fan heaters, etc. Many methods are used to utilize heat radiation from the When the combustion tube is cylindrical, a method is adopted in which an inverted U-shaped reflector plate covering the rear surface of the combustion tube is used to reflect and emit radiant heat forward. An appropriate gap is required between each of the rear plates of the box to prevent overheating, and for this reason, the overall thickness and depth of the combustor is large. Here, the combustion tube is made into a horizontally long flat shape,
Even with a so-called flat burner in which the red-hot part is provided only on the front surface, the heat radiation from the rear surface is so large that it cannot be ignored, requiring a reflector and making it impossible to significantly reduce the thickness.

Purpose of the Invention The purpose of the oil combustor of the present invention is to provide a flat burner that suppresses heat radiation to the rear surface, provides a thin combustor, and exhibits combustion stability and complete combustibility. shall be.

Structure of the Invention The oil combustor of the present invention has a flat lamp wick, a linear fire pan that holds the lamp wick, a flat combustion chamber placed on the fire pan, and an outer cylinder that houses the combustion chamber. The upper front surface of the combustion chamber is a red-hot part with large diameter holes densely drilled, the front face of the outer cylinder facing this red-hot part is equipped with a heat ray transmitter, and the rear face of the outer cylinder has a red-hot part with large-diameter holes densely bored. The structure is such that a heat insulating material is provided on the part facing the.

DESCRIPTION OF EMBODIMENTS An embodiment of the oil combustor of the present invention will be described with reference to the accompanying drawings.

Reference numeral 1 denotes a planar main body of the combustor, which houses a tank 2 and a flat combustion tube 3 inside. Inside the tank 2 is a flat lamp wick 4.
The lower part is immersed in the fuel, the upper part is straight, and is held in the flat cylinder fire pan part 5, and has an adjustment rough 66.
It moves up and down and appears and disappears from the fire plate part 5 in conjunction with the 0 rotation. On the other hand, the combustion tube 3 is composed of a flat combustion chamber 7 placed on a fire pan 6, and an outer tube 8 that houses the combustion chamber 7 and has an air port 8a at the bottom. 7 is a large number of small holes 7a
The rear plate 7' has a large number of small holes 72L in its lower part.

The upper part consists of a front plate 7'' having a large number of large holes 7b,
A heat ray transmitting member (hereinafter referred to as heat-resistant glass) 9 is provided on the front surface of the outer cylinder 8 so as to face the portion where the front plate 7'θ large hole 7b of the combustion chamber 7 is formed. Here, on the rear surface of the outer cylinder 8, facing the rear surface plate 7' of the combustion chamber 7, silica (SiO3)-
A heat insulating material 1o whose main component is alumina (A4203) is attached.

To explain the operation in more detail, the fuel sucked up from the tank 2 by the wick 4 is vaporized from the tip of the wick 4 and rises in the combustion chamber 7. - Actual air enters through the air port 8a of the outer cylinder 8 and flows into the combustion chamber 7 through the large and small air holes ya and 7b, where it is mixed with vaporized fuel and combusted. Particularly, the first portion of the front plate 7' having the large hole 7b has a small heat capacity and is therefore strongly heated to red heat. This red-hot radiant heat ray from the top of the front plate 7' passes through the heat-resistant glass 9 and is emitted to the front of the main body 1.Then, the combustion heat generated in the combustion chamber 7 heats the rear plate 7'. However, a heat insulating material 10 is provided between the rear plate 7' and the outer cylinder 8, and heat radiation to the rear is blocked here. The rear wall of the main body 1 can be disposed close to the outer cylinder 8 without the need for a heat insulating space, and the thickness of the main body 1 can be made slightly thicker than the flat outer cylinder 8. The combustor can be made extremely thin compared to conventional combustors.

Therefore, it does not require a large space during use, and the main body 1
Since the rear side is also sufficiently insulated, it is possible to use the rear side close to the interior wall during use, resulting in significant space savings.

In addition, by being insulated by the heat insulating material 10, the stability of the flame (so-called flame stability) that is formed near the small holes that become air holes is improved, especially in the rear plate 7' of the combustion chamber 7. , the combustion state can be kept stable. Further, the temperature of the air flowing between the rear plate 7' and the heat insulating material 10 is sufficiently raised due to the heat retention effect of the heat insulating material 10, and this heated air is supplied into the combustion chamber 7. Combustion activity is promoted even when the fuel is lean in the upper part, bringing about near complete combustion and reducing carbon monoxide in the exhaust gas.

In this embodiment, the heat insulating material 1o is attached to the rear inner wall of the outer cylinder 8, but the heat insulating material 1o may be attached to the outer wall of the outer cylinder 8. In this case, the metal of the inner wall of the outer cylinder 8 The heat ray reflection effect of the mirror surface and the heat insulating effect of the heat insulating material 1o can be used together, making it more effective, and since the heat load on the heat insulating material 1o is reduced, the heat insulating material 10 can be made thinner. Alternatively, it is also possible to directly configure the rear surface of the outer cylinder 8 only with the heat insulating material 1o.

Effects of the Invention As described above, the oil combustor of the present invention has a thin combustor that does not require a reflector or a heat insulating space by disposing a heat insulating material on the rear surface of the flat combustion tube. It can save space. Furthermore, the heat retention effect of the heat insulating material brings about combustion stability and complete combustibility.

[Brief explanation of the drawing]

The drawing is a side sectional view of one embodiment of the oil combustor of the present invention. 1...Box, 2...Tank, 3...
... Combustion tube, 4 ... Light wick, 6 ... Fire pan, 7 ... Combustion chamber, 7' ... Rear plate, 7" ... ...Front plate, 8...Outer cylinder, 9.
...Glass, 1o...Insulation material.

Claims (1)

[Claims] comprising a flat lamp wick held in a linear fire pan and retractable, a flat combustion chamber made of a perforated plate placed on the fire pan, and an outer cylinder housing the combustion chamber; In the upper front surface of the combustion chamber, large-diameter holes are densely drilled downward to form a red-hot part, and a heat ray transmitting body is provided on the front face of the outer cylinder facing the red-hot part, so that the outer cylinder is An oil combustor in which a heat insulating material is provided at least in a portion facing the rear surface of the combustion chamber.