KR200141135Y1 - Combustion apparatus of kerosene fan heater - Google Patents

Abstract

The present invention relates to a combustion device of a petroleum fan heater, which divides the inside of the carburetor into a primary turning section and a secondary turning section, and the fuel droplets atomized by the air are bisected by the separating pieces to make a first turn around the inner wall of the carburetor and then exhaust the gas. As the exhaust gas is continuously exhausted in the second turn, red salt does not form in some areas around the burner head during the fire and normal combustion.

To this end, the present invention is provided with a baffle plate having a planar area more than twice as wide as the separation piece and having a longer tip length as an upper part of the separating piece integrally formed inside the vaporizer, and the inside of the vaporizer is formed by the baffle plate with the primary turning section and the secondary. It is divided into turning sections.

Description

Combustor of petroleum fan heater

1 is a schematic diagram showing the overall configuration of a petroleum fan heater having a conventional combustion device.

2 is a longitudinal sectional view showing main parts of a conventional petroleum fan heater combustion apparatus.

3 is a main cross-sectional view showing a combustion apparatus of a conventional petroleum fan heater.

Figure 4 is a longitudinal sectional view showing the main part of the combustion device of the oil fan heater of the present invention.

Figure 5 is a main cross-sectional view showing a combustion device of the oil fan heater of the present invention.

6 is a graph diagram showing the amount of unburned gas generated by the petroleum fan heater having the conventional device and the petroleum fan heater having the present invention,

(a) is a state diagram comparing the amount of unburned gas generated during ignition.

(b) is a state diagram comparing the amount of unburned gas generated at the time of extinguishing.

* Explanation of symbols for main parts of the drawings

10: nozzle 12: vaporizer

22: separation piece 25: baffle plate

26: 1st turning section 27: 2nd turning section

28: groove 29: projection

The present invention relates to a combustion apparatus of a petroleum fan heater, and more particularly, to maximize the combustion efficiency by improving the mixing efficiency of air and fuel.

In general, a petroleum fan heater is a heating device that heats as heat obtained by vaporizing and burning petroleum as fuel, and a fuel supply device for supplying fuel as shown in FIG. 1 and the fuel supply device. It consists of the combustion apparatus which vaporizes and supplies the fuel supplied, and the air supply apparatus which supplies air to the said combustion apparatus.

In more detail, the fuel supply apparatus includes an oil supply pipe 3 for guiding supply of fuel (petroleum) stored in the fuel receiving tank 2 through the cartridge tank 1, and an oil supply pipe 3 attached to the oil supply pipe 3. An electronic pump 4 for pumping fuel supplied through the oil, an oil level machine 5 for maintaining a constant oil level of the fuel pumped by the electron pump, and an oil pump installed in the oil level machine to burn fuel. It consists of a pipe orifice 6 which guides the device.

In addition, the combustion device is a blow passage (7) for guiding the air supplied by the air supply device, and is installed in the blow passage to the oil level plane (5) constituting the fuel supply device through the pressure tube (8) A solenoid 9 for supplying or blocking, a nozzle 10 connected to an end of the blow passage 7 to blow out air, and a pipe orifice 6 constituting a fuel supply device to be fitted into the nozzle. Needle 11 which is connected to the end of the nozzle to inject fuel into the air ejected from the nozzle 10 and a vaporizer which vaporizes the fuel injected into the air by being connected to the end of the nozzle 10 ( 12), a preheater 13 installed inside the circumferential surface of the carburetor to preheat the carburetor 12, and a carburetor 12 installed below the carburetor 12 and preheated by the preheater 13. Preheat detection to detect preheat temperature The carburetor lid 15 formed on the top of the carburetor 12 and the carburetor 12 and the carburetor cap 15 formed on the carburetor lid to exhaust the vaporized gas of the vaporized fuel in the carburetor 12 Spark plug 17 for generating a spark in the vaporization gas which is preheated by the hole 16 and the preheating heater 13 and exhausted through the hole 16 of the vaporizer lid 15, and the vaporizer 12 A burner head 18 installed at an upper portion of the burner head 17 to ignite the spark plug 17, a flame detector 19 detecting a flame generated from the burner head, and a vaporizer 12 It consists of a cooling cylinder 21 which is formed on the outside and is supplied through the cooling tube (20) to receive air through the cooling tube (20) to cool the vaporizer (12).

In the above, the inner wall surface of the carburetor 12 is pointed so as to face the nozzle 10, the connection portion with the carburetor 12 is formed smoothly curved separation piece 22 is integrally sprayed to the center of the carburetor 10 The fuel to be vaporized is continuously bisected by the separating piece 22 so that the vaporized gases are mixed with air while turning in opposite directions along the inner wall of the vaporizer 12.

And the air supply device is composed of a blower (23) for sucking the outside air and sending it to the blow passage (7) constituting the combustion device, and a filter (24) for filtering various foreign substances in the air sucked by the blower It is.

Therefore, when the fuel (petroleum) is filled in the cartridge tank 1 and placed on the fuel receiving tank 2 constituting the fuel supply device, the fuel filled in the cartridge tank 1 is moved to and stored in the fuel receiving tank 2. do.

In this state, when the user turns on the power switch, the preheat heater 13 installed inside the circumferential surface of the vaporizer 12 receives a control signal of a controller (not shown) to preheat the vaporizer 12, When preheated, the preheat detection thermistor 14 detects this and inputs it to the controller. At this time, when the sensing temperature input to the controller reaches a predetermined temperature, the controller stops preheating of the vaporizer 12 by the preheater 13. At the same time, the blower 23 constituting the air supply device and the electron pump 4 constituting the fuel supply device are operated.

In this manner, when the blower 23 is operated, external air is removed by various filters (dust, dust) by the filter 24, and then becomes clean air, which is guided only to the blow passage 7 for about 20-30 seconds before ignition. 10) Since the inside of the carburetor 12 is introduced into the carburetor 12 and the electronic pump 4 is operated, the fuel in the fuel receiving tank 2 guided through the oil supply pipe 3 to the oil refinery 5 is operated. It is supplied by the oil leveling machine to maintain a constant oil level at all times.

As in the above operation, the air introduced to clean the vaporizer 12 is continuously discharged into the vaporizer 12 even after 20-30 seconds, at which time the solenoid 9 operates under the control signal of the controller. Since it is opened, a part of the air guided to the blow passage 7 enters the oil level machine 5 by the continuous guidance of the pressurizing tube 8 to pressurize the fuel maintaining a constant oil level in the oil level machine. Since the supplied fuel is guided to the pipe orifice 6 and supplied into the vaporizer 12 through the needle 11, the supplied fuel is loaded into the air ejected through the nozzle 10 to be first atomized and preheated to the vaporizer 12. ) Is sprayed inside.

On the other hand, the fuel injected into the preheated carburetor 12 is continuously divided into two parts by the sharp tip of the separation piece 22 integrally formed on the inner wall surface of the carburetor 12 so as to face the nozzle 10. It is vaporized by the preheating temperature which flows on both sides of the piece.

The combustible vaporized gas vaporized by the above-described action continues to flow in a separated state by the separating piece 22 and is guided to the gently curved portion of the separating piece 22 so as to oppose each other along the inner wall surface of the vaporizer 12. Is mixed with air while turning in the direction and then exits the carburetor 12 through a hole 16 formed in the carburetor lid 15 and is then exhausted to the burner head 18, where the combustible gas exhausted is spark plug 17. Sparks from the ignition cause ignition to form a spark.

In this way, when the gas is ignited and a flame is formed, the salt detector 19 detects an inflammation flame of the initial ignition and inputs it to the control unit. After confirming, it burns normally and heats.

However, the conventional combustion apparatus of the petroleum fan heater has a problem as described below due to the relationship between the carburettor is formed only the primary turn section.

Firstly, when the fuel droplets atomized by the air are bisected by the separation piece and flow along the inner wall of the carburetor, some of the unvaporized droplets enter the upward airflow of the injection air that is continuously supplied from the nozzle and directly through the holes in the carburetor lid. As it was exhausted to the burner head, red flames were formed locally in some areas around the burner head during normal combustion, and thus incomplete combustion occurred, resulting in odor and harmful gases.

Second, since a part of the air blown out through the nozzle is diverted to the upper part, the flow rate decreases due to the change of the air flow direction in the curved part of the separation piece. When the spent fuel is exhausted to the burner head while forming a combustible mixer, it is locally concentrated in some areas around the burner head (fuel amount is much higher than the amount of air), so that the burner head is surrounded by the burner head as well as during normal combustion, especially during extinguishing and ignition. Local red salts formed in some regions of the resulting incomplete combustion, resulting in more severe odors and noxious gases as shown in FIG.

The present invention was devised to solve the above problems, and the fuel droplets atomized by the air are divided by the separating piece by dividing the inside of the carburetor into the first turning section and the second turning section, and then turning the inner wall of the carburetor firstly. The purpose of this is to prevent the formation of red salts in some areas around the burner head during the combustion and normal combustion as well as during the second combustion.

According to the present invention for achieving the above object, there is provided a baffle plate having a larger plane area and a longer tip length than the separating piece as an upper part of the separating piece integrally formed inside the vaporizer, so that the inside of the vaporizer is primarily formed by the baffle plate. The combustion device of the inventive oil fan heater divided into turning section and secondary turning section is provided.

Hereinafter, the present invention will be described in more detail with reference to FIGS. 4 to 5 of the accompanying drawings.

4 is a longitudinal sectional view showing a main part of the combustion device of the petroleum fan heater of the present invention, and FIG. 5 is a main sectional view of the main part of the combustion device of the petroleum fan heater of the present invention. The description will be omitted, and it will be apparent that the same reference numerals are used as in the drawings.

Hereinafter, the main configuration of the present invention, the upper surface of the separation piece 22 integrally formed inside the vaporizer 12, the planar area is more than twice as large as the planar area of the separation piece and the tip is longer than the top end of the separation piece ( 25) is provided so that the interior of the vaporizer 12 is divided into the primary turning section 26 and the secondary turning section 27 by the baffle plate 25.

The baffle plate 25 is formed integrally with the separation piece 22 or formed separately from the separation piece to couple to the separation piece 22, to combine the baffle plate 25 to the separation piece 22 In order to form the groove 28 in the separation piece 22 and to form a projection 29 in the baffle plate 25 to fit the projection into the groove 28.

In addition, the position of the baffle plate 25 is equal to or higher than the outer diameter of the carburetor 12 connection portion of the nozzle 10 so that the fuel is injected into the carburetor 12 by the air ejected through the nozzle 10. Do not directly hit the separating piece (22).

Referring to the operation, effects according to the main configuration of the present invention configured as described above are as follows.

When the air supplied by the air supply means is guided to the blow passage 7 and ejected into the carburetor 12 through the nozzle 10 connected to the outer central portion of the carburetor 12, the fuel in the oil leveler 5 Since the air is guided to the pipe orifice (6) and supplied into the carburetor 12 through the needle (11), the supplied fuel is injected into the ejected air and injected into the droplet state while being first atomized, the carburetor ( 12) the baffle plate 25 is formed integrally with the separation piece 22 in the upper portion or formed separately from the separation piece 22 and then combined to form the primary turning section 26 and the secondary turning section 27. The fuel injected into the air is blocked by the baffle plate 25 so that the upper movement is blocked, and thus the liquid is divided into two parts by the separating pieces 22 in the form of droplets. The vaporizer 12 flows through both side walls of the separating pieces. Primary turning section in It is evaporated by the preheating temperature which is turned and preheated at 26).

As described above, when the air is ejected through the nozzle 10 and the fuel flowing out through the needle 11 is injected into the ejected air, the air and the fuel are formed on the upper part of the separating piece 22 or Since the upper movement is blocked by the fixed baffle plate 25, all the fuel turns around the primary turning section 26 in the vaporizer 12, whereby the rising air is suppressed due to the pressure of air and the primary turning As the flow velocity increases, the resulting flow velocity is prevented from being curved in the separating piece 22, and the mixing efficiency of air and fuel is increased.

In order to prevent the movement of the air by the baffle plate 25 in which all air and fuel are formed or fixed on the upper part of the separating piece 22, the planar area of the baffle plate 25 is the plane of the separating piece 22. It should be wider than the area, and the tip of the baffle plate 25 should be longer than the upper tip of the separating piece 22, and the position of the separating piece 22 is equal to the maximum height of the outer diameter of the nozzle 10 of the portion connected to the vaporizer 12. Should be higher or higher.

If the planar area of the baffle plate 25 is not wider than the plane area of the separation piece 22 and is narrow, the volume of the primary turning section 26 is relatively small, so that air and fuel by the baffle plate 25 are reduced. It is difficult to effectively block the upward movement of the baffle plate 25, and when the tip of the baffle plate 25 is not longer and shorter than the top end of the separation piece 22, the fuel droplets atomized by the air blown out from the nozzle 10 are separated from the separation piece 22. B) is exhausted to the burner head 18 through the hole 16 formed in the vaporizer cap 15 without being vaporized along the rising air of the jet air, and the position of the baffle plate 25 is When the nozzle 10 of the portion connected to 12) is equal to or less than the maximum height of the outer diameter of the nozzle 10, the fuel injected into the ejected air directly hits the baffle plate 25, so that a portion of the nozzle 10 may be part of the primary turning section 26. Couldn't be turned soon It is due to go on to the second pivot section (27).

On the other hand, the flammable mixer mixed with air while turning the primary turning section 26 by the above operation continues to exit the primary turning section and turn again in the secondary turning section 27 to make the combustible mixer even more uniform. While forming, it is exhausted to burner head 18 through hole 16 in vaporizer lid 15.

Since all operations are the same as the conventional operation described above, it will be omitted.

Therefore, the present invention is divided into the primary turning section and the secondary turning section by the baffle plate, so when the fuel injected into the air hits the separating piece, the baffle plate prevents the upper movement of the fuel so that the fuel vaporizes. It is not possible to directly vent the burner head through the hole formed in the carburetor cap. In addition, the fuel hit by the separation piece due to air is rapidly turned in the first turning section and the second turning section, and then exhausted. Therefore, the mixing efficiency of the air and fuel is improved to form a more uniform flammable mixer, and accordingly, local red salt is completely prevented, so that the generation of odor and noxious gas due to complete combustion is greatly reduced as shown in FIG.

Claims (5)

The upper part of the separation piece integrally formed inside the carburetor is provided with a baffle plate that is more than twice as large as the separation piece and has a longer tip length, so that the inside of the carburetor is divided into a first turning section and a second turning section by the baffle plate. Combustion apparatus of petroleum fan heater. 2. The combustion apparatus of a petroleum fan heater according to claim 1, wherein the position of the baffle plate is equal to or higher than the maximum height of the vaporizer connection portion of the nozzle. The combustion apparatus for a petroleum fan heater according to claim 1, wherein the baffle plate is formed integrally with the separating piece. 2. The combustion apparatus of a petroleum fan heater according to claim 1, wherein the baffle plate is formed separately from the separation piece and coupled to the separation piece. 5. The combustion apparatus of a petroleum fan heater according to claim 4, wherein a groove is formed in the separating piece and a protrusion is formed in the baffle plate so that the baffle plate is coupled to the separating piece as the protrusion is fitted into the groove.