JPS60248917A - oil burner - Google Patents

Abstract

PURPOSE:To prevent crude gas from flowing out of an apparatus as well as to prevent flames from spreading to a quenching hole, by providing an opening with a valve body which is opened at the time of combustion and is closed at the time of extinction to the opposite side of an explosion quanching chamber, from the side to which a cartridge tank housing part is provided. CONSTITUTION:A quanching hole 23 at the top of an explosion quenching chamber 20 is in the open state during combustion, as a valve body 22 is pushed upward by a part 17a fitted to a wick metal part 17. The inside of an explosion quanching chamber 20 is under the negative pressure owing to the draft produced in a combustion cylinder 25, so that the air WF can be introduced into the explosion quenching chamber 20 from the quenching hole 23. When a quenching operation is taken place, the quenching hole 23 is closed by the valve body 22 at the same time when a wick 16 is lowered down to the bottom along a quenching slit 21. When the wick 16 is lowered, kerosene evaporating gas flows into the explosion quenching chamber 20 from the quenching slit 21 as shown by arrow signs WG, and explosively burns in the explosion quenching chamber 20. It makes the inside of a chamber 20 in the highly pressurized state. The pressure is released from the quenching slit 21 to a flame tray 19, blowing off the flames remaining in the flame tray 19.

Description

DETAILED DESCRIPTION OF THE INVENTION FIELD OF INDUSTRIAL APPLICATION The present invention relates to an oil combustor using a lamp wick that can be moved up and down.

The structure of the conventional example and its problems It has already been known that in this type of combustor, a fire extinguishing chamber is provided in the outer core cylinder, and a fire extinguishing hole is provided in the extinguishing chamber, but the extinguishing hole is located in the side wall of the extinguishing chamber. Several were opened. Therefore, if raw gas leaks from the fire extinguishing hole (if the pressure in the fire extinguishing chamber becomes higher than atmospheric pressure), the flame burning in the upper combustion tube will ignite the raw gas leaking from the fire extinguishing hole, causing an abnormal situation. This led to combustion, producing a large amount of soot, and raising the temperature of the water at the bottom of the wick, resulting in a greater amount of combustion than usual, and in the worst case scenario, there was a danger that the flames could reach outside the appliance and lead to a fire.

Furthermore, when the wick was lowered to extinguish a fire, the pressure in the fire extinguishing chamber rose above atmospheric pressure momentarily and raw gas was ejected from the fire extinguishing hole, creating a foul odor as soon as the fire was extinguished.

This fire extinguishing method using a fire extinguishing chamber is advantageous in extinguishing fires by enlarging the extinguishing chamber and the area of the extinguishing hole, but this is contrary to the direction of solving the above-mentioned problems, and is The structure was insufficient in terms of fire extinguishing properties, safety and hygiene.

In response to the above problem, as shown in Fig. 7, two fire extinguishing chambers are provided in the core outer cylinder 1, and the extinguishing chamber 2 is opened during combustion and closed during extinguishing, and the capacity of the petroleum fuel tank V'' - trisodium tank storage m8a The configuration is such that a fire extinguishing hole 4 equipped with a fire extinguishing valve 3 located at The problem of spewing out and generating a bad odor has been solved, and by providing the fire extinguishing valve 3, the area of the fire extinguishing hole can be reduced, improving fire extinguishing performance.

However, in the above configuration, the draft (negative pressure from atmospheric pressure) generated in the combustion tube 5 during combustion causes the fire extinguishing chamber to
The inside becomes negative pressure, and air Ga is guided into the fire extinguishing chamber from the fire extinguishing hole 4. On the other hand, as shown in FIGS. 8 and 9, when the instrument is exposed to outside wind Wc, the outside wind Wc is removed from the cartridge tank storage section provided in the cabinet main body 8 with the front upper part open, which allows the outside wind to easily escape. 8a (arrow Wd), and the inside of the cabinet body θ becomes negative pressure. and,
There is a cartridge tank outlet 8b in the upper part of the cartridge tank storage part 8a, and the structure is such that outside air can easily escape. Therefore, when the pressure inside the cabinet body 8 becomes negative and air flows from the inside of the cabinet body 8 to the cartridge tank storage i8a, the raw gas in the fire extinguishing chamber is ejected from the fire extinguishing hole 4 and the combustion tube 6 There was a problem in that the flames ignited in the fire extinguishing room 2 and the same situation as when all the fire extinguishing holes were opened in the side wall of the fire extinguishing room 2 was created.

Purpose of the Invention The present invention has been made in view of the above-mentioned problems, and provides a safe and sanitary oil combustor that prevents fire from igniting into the fire extinguishing hole and prevents the sound of raw gases from escaping outside the appliance. It is intended to provide.

Structure of the Invention The present invention provides an explosion extinguishing chamber that communicates with the upper and lower spaces of the lamp wick, and an opening in the explosion extinguishing chamber that is equipped with a valve body that is opened during combustion and closed when extinguished is provided on the side opposite to the cartridge tank storage section. The structure is as follows.

Description of examples An embodiment of the present invention will be described below based on the drawings.

In Figures 1 to 4, 11 is a cabinet whose front upper part is open and which has a cartridge tank accommodating part 11ak for a cartridge tank 12 containing kerosene on the right side.The cartridge tank accommodating part 11a has an outlet for taking out the cartridge. It has 11bk. Reference numeral 13 denotes a fuel tank provided inside and below the cabinet 11, 14 a core guide tube installed upright in the fuel tank 13, 15 a core outer tube, and 16 provided on the outer periphery of the core guide tube 14 so as to be vertically movable. It is a lamp wick and is held by a metal core fitting 17. The core metal fitting 17 is the knob 18
It is composed of gears such as binions and racks so as to move the rotation up and down, and can be made to protrude from the lamp wick 16k and the fire pan 19, or be lowered below the extinguishing slit 21 of the explosion extinguishing chamber 20. The vertical movement of the core metal fitting 17 is controlled by the core metal fitting 1.
The valve body 2 that penetrates the fire extinguishing chamber 20 is attached to the member 17a provided in the
Link with 2. Reference numeral 23 denotes a fire extinguishing hole provided on the explosion fire extinguishing chamber 20 on the side opposite to the cartridge tank storage section 11a, and is opened and closed by vertical movement of the valve body 22. When the metal core 7 rises, the member 17a attached to the metal core 17 hits the lower part of the valve body 22 and pushes it up, opening the fire extinguishing hole 23 (FIG. 1). Further, when the core metal fitting 17 is lowered, the valve body 22 closes the fire extinguishing hole 23 by the screw 24 (FIG. 3).

25 is a combustion cylinder placed on the fire pan 19.

The relationship between the lamp wick 16 and the fire extinguishing hole 23 as shown in FIGS. 2 and 3 will be described below.

As shown in FIG. 2, during combustion, the lamp wick 16 protrudes from the fire pan 19, and at this time the valve body 22 is pushed up from the extinguishing hole 2a and opened.

Further, as shown in FIG. 3, the lamp wick 16 is lowered below the slit 21, and at this time the valve body 22 closes the fire extinguishing hole 23.

Next, the functions of the explosion fire extinguishing chamber 20 and the valve body 22 in the above-described configuration will be explained.

First, during combustion in FIG. 2, the lamp wick 14 protrudes from the fire pan 19, and the gas vaporized from the lamp wick 16 by the combustion tube 25 on which the fire pan 19Vc is mounted mixes with the air W8 entering through the plurality of pores of the combustion tube 25 and burns. ing.

At that time, the fire extinguishing hole 23 on the top surface of the explosion fire extinguishing chamber 20 is in an open state as the valve body n is pushed upward by the member 17a attached to the core fitting 17, and the draft (
The explosion fire extinguishing chamber 201'l is under negative pressure (negative pressure than atmospheric pressure), and the air W is guided into the explosion fire extinguishing chamber 20 from the fire extinguishing hole 23.

Next, as shown in FIG. 3, when the extinguishing operation is performed, the lamp wick 16 descends below the extinguishing slit 210 and at the same time the extinguishing hole 23 is closed by the valve body 22. Furthermore, as the wick 16 is lowered, vaporized gas of kerosene flows from the extinguishing slit 21 into the explosion extinguishing chamber 20 (arrow WG), mixes with the air stored during combustion, and ignites the mixed gas, causing the explosion extinguishing chamber 20
Explosive combustion occurs inside the explosion fire extinguishing chamber 20, and the pressure inside the explosion fire extinguishing chamber 20 becomes extremely high pressurized. The pressure escapes from the fire extinguishing slit 21 to the fire tray 19, and the remaining flame in the fire tray 19? blow out.

Next, as shown in Figures 4 and 5, when the appliance burns, the external wind
af, the outside wind Wa flows from the cartridge tank storage part 11a, where the outside wind is most likely to escape, to the cartridge tank outlet 11b (arrow Wb), even if the inside of the cabinet 11 becomes negative pressure.

The fire extinguishing hole 23 provided on the explosion fire extinguishing chamber 20 is connected to the cartridge tank storage section 11. Since it is installed on the opposite side from the fire extinguishing hole 2, it is hardly affected by the air flow wb.
3. Raw gas will not blow out.

Effects of the Invention As described above, according to the present invention, since the raw gas is not introduced outside the appliance through the fire extinguishing hole, the appliance is exposed to outside wind. Even if the fire is exposed, the fire hole will not catch fire, and when the fire is extinguished, the smell of kerosene, raw gas, etc. will not be emitted, improving safety and hygiene. −

[Brief explanation of the drawing]

Fig. 1 is a cross-sectional view of the main parts of an oil combustor according to an embodiment of the present invention, and Fig. 2 is a cross-sectional view of a part showing the combustion state of the same device.
Figure 3 is a partial sectional view showing the device in an emergency extinguishing state;
The figure is a perspective view of the device when it is exposed to outside wind, Figure 5 is a sectional view of the main part showing the flow of outside air when the device is exposed to outside wind during combustion, and Figure 6 is a cartridge of the same device. A perspective view of the tank storage section, Fig. 7 is a sectional view of the main parts of a conventional oil combustor, Fig. 8 is a perspective view of the device when it is exposed to outside wind, and Fig. 94 is a perspective view of the device when it is exposed to outside wind. FIG. 3 is a cross-sectional view of a main part showing the flow of outside wind when receiving wind. 11... Cabinet, 11a... Cartridge tank storage section, 16... Light wick, 20
... Explosion fire extinguishing room, 22 ... Valve body, 23
・・・・・・Fire extinguishing hole. Name of agent: Patent attorney Toshio Nakao and 1 other person 2nd
Figure 3 Figure 50 Figure 7

Claims (1)

[Claims] A cabinet with an open upper front and a cartridge tank storage section on the side that allows the wind to escape easily when exposed to outside wind, a fuel tank installed in the lower part of the inside of this cabinet, and a light wick that can be moved up and down. and an explosion fire extinguishing chamber that communicates with the space above and below the wick that guides the wick. Oil burner located on the opposite side of the tank storage area.