JPH0245613Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an oil combustion burner device used in heaters and other household appliances.

(Prior Art) The applicant of the present invention provided an outer cylinder surrounding the outer periphery of a combustion cylinder having a large number of secondary air holes on its circumference,
The inside of the outer cylinder is used as a secondary air chamber, and a first air nozzle and a combustion nozzle are made to face an opening provided at the bottom of the combustion chamber, and fuel is introduced into the combustion chamber by air discharged from the air nozzle. I first proposed what I wanted to supply.

(Problem to be solved by the invention) Since this device supplies fuel to the combustion chamber by air supplied from the first air nozzle, the amount of fuel supplied is equal to that of the first air nozzle. It has the advantage of being able to freely adjust the amount of discharge depending on the amount of air discharged, that is, the amount of combustion can be adjusted simply by controlling the amount of air discharged from the first air nozzle, but it is also possible to make the amount of secondary air supplied follow this. desired.

(Means for Solving the Problems) The purpose of the present invention is to obtain a device that satisfies such demands, and the present invention is directed to an outer periphery of a combustion tube 1 having a large number of secondary air holes 1a on its periphery. An outer cylinder 2 is provided to surround the outer cylinder 2, and a secondary air chamber 3 is provided inside the outer cylinder 2.
and an opening 4 provided at the rear of the combustion tube 1.
facing the first air nozzle 5 and fuel nozzle 6,
In the device in which fuel is supplied into the combustion cylinder 1 by the air discharged from the air nozzle 5, a constriction part 7 connected to the secondary air hole 3 is provided, and a second constriction part 7 is provided in the constriction part 7. An air nozzle 8 is faced, and air is supplied to the second air nozzle 8 from an air supply source 9 common to the first air nozzle 4.

(Function) Combustion by the device of the present invention is achieved by first driving the motor to operate the air pump as the air supply source 9;
When air is ejected from both air nozzles 4 and 8, the amount of fuel corresponding to the amount of air ejected from the first air nozzle 4 is atomized into the combustion tube 1 from the fuel nozzle 5. I can send it out.

Therefore, when it is ignited, it is completely combusted by the secondary air that is premixed within the combustion tube 1 and supplied from the secondary air hole 10.

So far, there is no particular difference from what was proposed earlier.

In the present invention, the constriction part 7 connected to the secondary air hole 3 faces the second air nozzle 8, and air from the air supply source 9 common to the first air nozzle 4 is supplied from the air nozzle 8. Since the fuel is ejected, the supply amounts of fuel, primary air, and secondary air can be controlled simultaneously by simply adjusting the amount of air from the air supply source 9, and the control can be performed easily.

(Example) An example of implementing the present invention will be explained with reference to the attached drawings.

In the drawings, reference numeral 1 denotes an outer cylinder 2 which has a large number of secondary air holes 1a on its circumferential surface and is provided to surround the combustion cylinder 1, and the inside of the outer cylinder 2 is configured as a secondary air chamber 3. .

Reference numerals 5 and 6 indicate air nozzles and fuel nozzles facing the opening 4 provided at the rear end of the combustion tube 1. By supplying air from the air supply source 9 to the air nozzle 5, the air nozzle 5 Fuel corresponding to the amount of air discharged from the fuel nozzle 6 is supplied in a mist form from the fuel nozzle 6.

The one shown has an opening 4 on the bottom of the combustion cylinder 1.
However, if it is at the rear of the combustion tube 1, it may be placed on the side. Furthermore, the air nozzle 5 may be placed at the opening 4 at a distance from the opening 4 as shown in the figure. The air nozzle 5 may be attached to the periphery of the opening 4 or by being tied to the periphery of the opening 4.

The configuration so far is not particularly different from the one proposed earlier.

The present invention provides a constriction section 7 connected to the outer cylinder 2, a second air nozzle 8 facing the constriction section 7, and the second air nozzle 8 connected to the air supply source 9. Connected.

In the illustrated example, an air pump is used as the air supply source 9.

In the illustrated example, a governor 11 and a flow rate control valve 12 are connected to an air passage 10 that connects both air nozzles 5 and 8 and an air supply source 9, and the flow rate control valve 12 controls both nozzles 5 and 8. The air flow supplied from 8 was adjusted.

In the drawings, reference numeral 13 indicates a constant liquid level tank connected to the combustion nozzle 6.

As shown in FIG. 2, the fuel nozzle 6 was provided through an air chamber 6a having an air nozzle 5 on the front side.

Furthermore, what is shown in Fig. 3 shows an embodiment in which the present burner device is used in a bathtub, and in this case, if only the air pump as the air supply source 9 is installed outdoors, the electric parts can be easily removed. Not only is it safe to bring into the bathroom because there is no fear of electric shock, etc., but also a quiet burner device can be obtained since the air supply source 9 is the only driving source that generates noise.

(Effect of the invention) As described above, according to the present invention, the first air nozzle and the combustion nozzle face the opening provided at the bottom of the combustion cylinder, and the fuel is introduced into the combustion cylinder by the air discharged from the air nozzle. In a feed-type oil combustion burner device, a constriction part connected to the secondary air chamber is provided,
Since the second air nozzle faces the constriction part and communicates with the first air nozzle and the common air supply source, the fuel primary air can be supplied only by adjustment from the air supply source. , the amount of secondary air supplied can be adjusted at the same time, making it easy to adjust, and since the pump as the air supply source is the only source of noise, a quiet burner device can be obtained. be.

[Brief explanation of the drawing]

Fig. 1 is a cross-sectional side view of one example of the device of the present invention, Fig. 2 is an enlarged cross-sectional view of a part thereof, and Fig. 3 is a cross-sectional side view of the present burner device used in a bath kettle. . DESCRIPTION OF SYMBOLS 1... Combustion cylinder, 2... Outer cylinder, 3... Secondary air chamber, 4... Opening, 5... First air nozzle, 6...
...Fuel nozzle, 7... Throttle section, 8... Second air nozzle, 9... Air supply source.

Claims (1)

[Scope of utility model registration request] An outer cylinder is provided around the outer periphery of the combustion cylinder, which has a large number of secondary air holes on the circumference, and the inside of the outer cylinder is used as a secondary air chamber, and the opening provided at the rear of the combustion cylinder is A first air nozzle and a fuel nozzle are made to face each other, and fuel is supplied into the combustion cylinder by air discharged from the air nozzle, and a constriction part that is connected to the secondary air chamber is provided, A burner device for oil combustion, comprising a second air nozzle facing the constriction portion, and communicating with the second air nozzle and a common air supply source with the first air nozzle.