JPS5831206A - Combustion apparatus for liquid fuel - Google Patents

Abstract

PURPOSE:To obtain a stable condition to vaporize liquid fuel in a combustion apparatus, by introducing a part of vaporized gas, produced in a vaporizer body, into a heated part and an inner and an outer burner cylinders, passing through a plurality of small holes or slits provided to the heated part. CONSTITUTION:A number of small holes are provided to the parts 11 and 17 of an inner and an outer burner cylinders facing a heated part 3, while forming gaps between the hated part 3 and the inner and the outer burner cylinders 11 and 17, respectively. A plurality of samll holes provided to a part of the heated part 3 introduce a part of vaporized gas, produced in a vaporizer body 1, into the gaps between the heated part 3 and the inner and the outer burner cylinders 11 and 17. With such a structure, a part of vaporized gas produced in the vaporizer body 1 during combustion burns on the pores in the gaps between the heated part 3 and the inner and the outer burner cylinders 11 and 17. The heat is sufficiently transferred to the lower part of a vaporizer body 1 by the heated part 3 which is heated by flames during combustion. In such a manner, stable condition can be obtained to vaporize liquid fuel.

Description

[Detailed Description of the Invention] The present invention is a vaporized substance preheated by an electric heater, and is it a liquid? This is a liquid fuel combustion device that gasifies fuel and burns it using air supplied from a large number of small pores.After combustion starts, combustion heat is effectively transferred to the vaporized body, resulting in a stable vaporization state and power saving. The aim is to increase the number of employees.

A conventional liquid fuel combustion device of this type is shown in FIG.

1 is a vaporizer having an electric heater 2, and a heat receiving part 3 is formed on the upper part. 6 is a uniform r in which a large number of bow holes 6 are formed.
It is a lf board and is placed on the heat receiving section 3.

Reference numeral 7 denotes a support tube connected to the side surface of the vaporized body 1, and an oil supply pipe 8 is located in the center of the support tube. One end of the oil supply pipe 8 opens to the vaporizer 1, and the other end is connected to the pump 9. 1o is a suction pipe.

Reference numeral 11 denotes an inner flame cylinder having a large number of +J) holes 12;
A cap 1 placed on top and having a plurality of holes 14 at the top
3. Flame expansion plates 15 are installed in series. 16 is a partition plate. Reference numeral 17 denotes an outer flame cylinder having a large number of small holes 18, which is placed on the vaporizer 1. 19 is an outer cylinder, and 20 is a flame.

After preheating the vaporized body 1 to 260 to 280°C by the electric heater 2, the vaporized body 1 is supplied from the pump 9 via the oil supply pipe 8.
Incidentally, when a small amount of liquid fuel is accumulated, the vaporized gas evenly rises through the small hole 6 of the E plate 6 between the inner and outer flame tubes 11° and 17, and when ignited here, the small part of the inner and outer flame tubes 11° and 17 rises. Air from hole 12.18 causes pore combustion, and flame 2 at upper +4^;
form 0.

During combustion, a 1-1 degree controller (not shown) fixed to the vaporizer 1 turns off the electricity to the electric heater 2 to maintain the vaporizer 1 at a constant temperature.

In such a liquid fuel combustion device, the vaporization of combustion heat 1
Feedback is performed by bringing the heat receiving part 3 of the vaporized body 1 close to or in contact with the inner and outer flame tubes 11 and 17. However, the temperature at the lower end of the inner and outer flame tubes 11 and 17 is
The temperature 1'it is only about 00C'G, and the heat receiving part 3
Since there is a large amount of heat transfer loss to the vaporized body 1, sufficient heat feedback to the vaporized body 1 cannot be achieved, and the time during which electricity is applied to the electric heater 2 is significantly increased.

Therefore, power consumption is large, and temperature changes inside the vaporizer 1 are also large, resulting in stable fuel vaporization. There were problems such as not being able to receive data.

In the past, various attempts have been made to improve heat feedback, such as providing a heat receiving part that is integrated with the vaporizer in the inner flame tube 11 or keeping the vaporizer 1 warm with a heat insulating material, but none of them have been sufficiently effective. It's Hamusuka Jikatsu.

Since the present invention is intended to solve the above-mentioned conventional problems, an embodiment of the present invention will be explained below with reference to FIG. 1. In FIG. 1, the same numbers as in FIG. 2 indicate the same parts. .

A gap is formed between the inner and outer flame tubes 11 and 17 of the heat receiving cylinder 3 in FIG. 1, and the inner side faces the heat receiving part 3.

A large number of small holes are provided in the outer flame tubes 11 and 17.

Further, reference numeral 4 denotes a plurality of small holes (or slits) provided in a part of the heat receiving part 3, through which a part of the vaporized gas generated in the vaporized body 1 is transferred to the gap between the heat receiving part 3 and the inner and outer flame tubes 11 and 17. lead to.

With such a configuration, during combustion, a part of the vaporized gas generated in the vaporized body 1 is transferred to the heat receiving part 3 and the inner flame tube 11.
, 17, and the heat receiving part 3 is heated by this combustion flame, thereby sufficiently conducting heat to the lower part of the vaporized body 1.

Therefore, after a certain period of time after ignition, the vaporized body 1 becomes 28
It is maintained at about 0 cc and there is no need to energize the electric heater 2.

In this way, the present invention achieves power saving and power consumption':'1];l'5
The temperature of the vaporized body of the flea becomes almost constant, and a stable vaporized state of the liquid fuel can be obtained.

Furthermore, the amount of heat feedback can be set to an optimal value by controlling the surface bond of the heat receiving part and the pore combustion that heats it.

In the second embodiment, an appropriate number of vaporized gases in the vaporized body are guided into the gap between the heat receiving part and the inner and outer flame cylinders by means of a plurality of holes provided in the heat receiving part. Stomatal combustion can be stabilized, and the heat receiving part can be heated at a constant rate.

[Brief explanation of the drawing]

FIG. 1 is a side sectional view showing one embodiment of the present invention, and FIG. 2 is a side sectional view showing a conventional example. 1... vaporized body, 2... electric heater, 3
... Heat receiving part, 4 ... Small hole, 11 ...
...Inner flame tube, 12...Small hole, 17...
・Outer flame tube, 18...Small hole. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
figure

Claims (2)

[Claims] (1) The inside of the vaporizing body having an electric heater is communicated between the inner flame tube and the outer flame tube having a large number of small holes, and the heat receiving part formed at the upper part of the vaporization body is connected to the inner flame tube and the outer flame tube. A liquid fuel combustion device in which the inner flame tube or the outer flame tube facing the heat receiving part is provided with a small hole. (2) A plurality of small holes or slots are provided in the heat receiving part of the vaporized body, and the vaporized gas is sent to the gap between the heat receiving part and the inner flame tube or the outer flame tube. Liquid fuel combustion equipment.