KR101321156B1 - Hybrid pulverized fuel burning apparatus - Google Patents

Abstract

The present invention relates to a hybrid fine fuel combustion apparatus, and in particular, a fine fuel supply unit 100 for supplying fine fuel; An air supply unit 210 is formed to supply air, and a mixing unit 200 connected to the fine fuel supply unit 100 to provide a space in which fine fuel and air are mixed; A fuel supply unit 110 connected to the mixing unit and supplying oil or gas fuel; Composed of the combustion unit 400 is connected to the mixing unit 200 to burn the fine fuel, by increasing the combustion efficiency of the fine fuel to enable the boiler to operate efficiently at a low cost to improve the commerciality and fine fuel It is possible to supply a certain amount of fine fuel by preventing agglomeration and backflow of oil, thereby maximizing the consumption of fine fuel.

Description

Hybrid pulverized fuel burning apparatus

The present invention relates to a hybrid fine fuel combustion device, and more particularly, to a hybrid fine fuel combustion device for burning fine fuel having a low particle size.

Oil prices have soared in recent years, suggesting that the global energy crisis is spreading. This is because the alternative sources of petroleum are insufficient and the majority of industries depend on oil. Coal, which was the main fuel before the development of petroleum, has the disadvantages of low calorific value, long ignition time and inconvenience in transportation compared to petroleum, and it is currently being treated as an energy source used only for limited use such as industrial power plants .

Research into the use of coal in the form of finely divided fine fuel to have a low particle size has been continued. For example, a method of burning while supplying fine fuel to a gas burner or a method of injecting fine fuel into an electric furnace and combusting it Has been studied. However, even in the method of burning the fine fuel, there is a problem that the ignition of the fine fuel is possible, but the combustion efficiency is reduced due to incomplete combustion, resulting in excessive input costs, and the release of environmental pollutants due to incomplete combustion to the atmosphere. When the fine fuel is injected into the furnace, there is a problem that the temperature inside the furnace is lowered due to the air pressure.

The present invention relates to a hybrid fine fuel combustion apparatus for solving the above problems, and in particular, to increase the combustion efficiency of the fine fuel, and to provide an efficient operation of the boiler at a low cost.

This invention is a fine fuel supply unit for supplying fine fuel; An air supply part formed to supply air, and a mixing part connected to the fine fuel supply part to provide a space in which the fine fuel and the air are mixed; A fuel supply unit connected to the mixing unit and supplying oil or gas fuel; It is achieved by including; a combustion section connected to the mixing section for burning fine fuel.

In addition, the mixing unit is provided inside, it is preferable to be provided with an integral burner which is connected to the fine fuel supply unit used as a heating means of the combustion unit during the initial operation through the supply of oil or gas fuel.

In addition, it is preferable to further include an ignition plug provided in the mixing part and connected to the fuel supply part to ignite oil or gas fuel.

In addition, the fine fuel supply unit and a hopper for storing the fine fuel; It is preferably provided at the bottom of the hopper, conveyor for moving the fine fuel stored in the hopper at a constant speed.

In addition, the conveyor is preferably provided to extend in the horizontal direction.

In addition, the conveyor is preferably provided in a gear shape.

In addition, the hopper is a funnel shape, it is preferable to be provided transparent or translucent.

In addition, it is preferable to further include a motor provided at the end of the conveyor to provide power to the conveyor.

In addition, the air supply is preferably to include an air supply pipe.

In addition, a passage is formed inside the mixing unit, and a guide panel which is rotatable in the center of the passage is preferable to guide the direction of the air supplied from the air supply unit.

In addition, the passage inner peripheral surface is preferably such that the locking projections for limiting the rotation angle of the guide panel is formed.

In addition, it is preferable to further include a control unit for interlocking with the mixing unit and the combustion unit to control the oil or gas fuel supply or the fine fuel supply according to the internal temperature of the combustion unit.

The present invention as described above, by increasing the combustion efficiency of the fine fuel, it is possible to efficiently operate the boiler at a low cost to improve the merchandise and at the same time prevent the agglomeration or reverse flow of fine fuel to supply a certain amount of fine fuel in a quantitative manner. It is an invention that is effective in maximizing fine fuel consumption.

1 is a side view showing a first embodiment of a hybrid fine fuel combustion apparatus of the present invention;
2 is a perspective view showing a first embodiment of a hybrid fine fuel combustion apparatus of the present invention;
3 is a plan view showing a first embodiment of a hybrid fine fuel combustion apparatus of the present invention;
4 is a cross-sectional view showing a fine fuel supply unit, an integrated burner, a mixing unit, and a fuel supply unit in the first embodiment of the hybrid fine fuel combustion apparatus of the present invention;
FIG. 5 is a sectional view of a line AA of the integrated burner of FIG. 4; FIG.
6 (a) to 6 (c) are cross-sectional views showing a conveyor;
7 is a side view showing a second embodiment of the hybrid fine fuel combustion apparatus of the present invention;
8 is a perspective view showing a second embodiment of a hybrid fine fuel combustion apparatus of the present invention;
9 is a plan view showing a second embodiment of a hybrid fine fuel combustion apparatus of the present invention;
10 is a cross-sectional view showing a fine fuel supply unit, an integrated burner, a mixing unit, and a fuel supply unit in a second embodiment of the hybrid fine fuel combustion apparatus of the present invention;
11 is a cross-sectional view illustrating a line AA of the integrated burner of FIG. 10;
12 is a side view showing a third embodiment of the hybrid fine fuel combustion device of the present invention;
13 is a perspective view showing a third embodiment of the hybrid fine fuel combustion device of the present invention;
14 is a plan view showing a third embodiment of a hybrid fine fuel combustion apparatus of the present invention;
Fig. 15 is a sectional view showing a mixing section in a third embodiment of a hybrid fine fuel combustion apparatus of the present invention.

1 to 15, the hybrid fine fuel combustion apparatus of the present invention supplies oil or gas fuel through a fuel supply unit at an initial stage of a boiler operation so that fuel is injected from a nozzle provided at an end of the oil or gas burner unit. After igniting the fuel in the ignition device to preheat the combustion unit to a certain temperature, the burner of the oil or gas fuel using burner is stopped and at the same time, the fine fuel supplied through the fine fuel supply unit and the air supplied from the air supply unit are mixed in the mixing unit. It is composed of a structure in which the fine fuel is combusted in the combustion part to be combusted to increase the combustion efficiency of the fine fuel through the proper mixing of the fine fuel and the air supply, so that the boiler can be operated efficiently at low cost, thereby improving the merchandise. It is the technical basic characteristic.

Hereinafter, each component of the hybrid fine fuel combustion device of the present invention will be described with reference to the accompanying drawings, one by one.

First, as shown in FIG. 1 to FIG. 3, the present invention includes a fine fuel supply unit 100, a mixing unit 200 including an air supply unit 210, a fuel supply unit 110, and a combustion unit 400. It is based on what is done.

The fine fuel supply unit 100 is a member for supplying fine fuel, and supplies the fine fuel stored therein to the mixer through the conveyor 102, which will be described below.

At this time, the fine fuel supply unit 100 includes a hopper 101 and a conveyor 102, the hopper 101 stores the fine fuel, the conveyor 102 is provided below the hopper 101 The pulverized fuel stored in the hopper 101 is moved at a constant speed to enable a fixed quantity supply.

Hopper 101 is made of a funnel shape, it is preferable to facilitate the supply of fine fuel and molded at the same time transparent or translucent material so that the fine fuel storage state can be confirmed from the outside.

The conveyor 102 extends in the horizontal direction to transfer the fine fuel supplied from the hopper 101 to the mixing unit 200 which will be described below. Thus, the conveyor 102 formed in the horizontal direction is preferably applied to the screw conveyor shown in Figure 6 (a) and the belt conveyor shown in Figure 6 (b). In addition, the conveyor 102 may be provided in a gear shape as shown in (c) of FIG. 6 so that the fine fuel stored in the hopper 101 may be transferred to the mixing unit 200 through gear rotation. do.

Meanwhile, as shown in FIGS. 6A to 6C, a fine fuel supply pipe 100P is formed at the lower portion of the conveyor 102, and the fine fuel supply pipe 100P is a mixing unit 200 which will be described below. The fine fuel supplied from the hopper 101 can be transferred to the mixing unit 200.

In addition, it is preferable that an end of the conveyor 102 is further provided with a motor 103 to power the conveyor 102 so that the conveyor 102 can be operated.

The mixing unit 200 includes an integrated burner 240 which provides a space where the fine fuel and the air are mixed, and are connected to the fine fuel supply unit 100 as shown in FIGS. 4 and 5 to connect the fine fuel. At the same time, the fine fuel provided from the supply unit 100 may be supplied, and at the same time, an air supply unit 210 may be formed to receive air so that the fine fuel and the air may be mixed in the mixing unit 200. do.

Here, the integrated burner 240 is provided in the mixing unit, and is connected to the fuel supply pipe (100P) connected to the fine fuel supply unit 100, the heating means of the combustion unit 400 during the initial operation through the supply of oil or gas fuel Used as

In addition, the air supply unit 210 may include an air supply pipe 211 (see FIGS. 7 to 10) to supply air to the mixing unit 200 through the air supply pipe 211.

At this time, a passage 220 connected to the outside is formed inside the mixing unit 200 to allow the air to be supplied through the air supply unit 210. In addition, the fine fuel supply pipe 100P connecting the mixing unit 200 and the fine fuel supply unit 100P is inserted into the passage 220 of the mixing unit 200 to mix the fine fuel and air in the passage 220. To be able.

In addition, the center of the passage 220 is provided with a rotatable guide panel 230 to guide the direction of the air supplied from the air supply unit 210, the locking projection 231 is formed on the inner peripheral surface of the passage 220 is the guide It is desirable to limit the rotation angle of the panel 230.

As shown in FIG. 4, the passage 220 inside the mixing unit 200 is divided into a first passage 221 and a second passage 222, wherein the first passage 221 mixes fine fuel and air. It is formed to the combustion unit 400 which will be described later, the second passage 222 is formed to the fuel supply pipe 110P inserted into the mixing unit 200.

The fuel supply unit 110 is a member for supplying fuel to the integrated burner 240 provided in the mixing unit 200 and supplies fuel such as oil or gas stored therein to the fuel supply pipe 110P. It is to be supplied through the spark plug 300 provided in the integrated burner 240 to be ignited.

The spark plug 300 is provided in the integrated burner 240 inside the mixing unit 200 and is mounted at the end of the fuel supply pipe 110P connected to the fuel supply unit 110 to enable ignition of oil or gas fuel. .

Combustion unit 400 is connected to the mixing unit 200 including the ignition plug 300 is configured to receive the heat by fuel ignition and fine fuel combustion to burn the fine fuel at a high temperature inside the combustion unit 400 to be. At this time, the combustion unit 400 and the mixing unit 200 may be connected to each other through a connection pipe (200P).

On the other hand, the present invention is to preheat the combustion unit 400 or to burn the fine fuel by supplying oil or gas in accordance with the internal temperature of the combustion unit 400, in order to control the internal temperature of the combustion unit 400 It is preferable to provide a control unit (not shown).

The control unit interlocks with the mixing unit 200 and the combustion unit 400 to preheat the combustion unit 400 by supplying oil or gas fuel when the internal temperature of the combustion unit 400 is lower than a set temperature. When the preheating of the combustion unit 400 is completed and higher than the set temperature, the guide panel 230 of the mixing unit 200 is rotated to supply the fine fuel mixed with air to combust the fine fuel. At this time, the set preheating temperature inside the combustion unit 400 is preferably set to 700 ~ 900 ℃.

Hereinafter, an embodiment of the hybrid fine fuel combustion device of the present invention will be described in detail.

[First Embodiment]

1 is a side view showing a first embodiment of a hybrid fine fuel combustion device of the present invention, FIG. 2 is a perspective view showing a first embodiment of a hybrid fine fuel combustion device of the present invention, and FIG. It is a top view which shows the 1st Example of the hybrid fine fuel combustion apparatus of this invention.

4 is a cross-sectional view showing the fine fuel supply unit 100, the mixing unit 200, and the fuel supply unit 110 in the first embodiment of the hybrid fine fuel combustion apparatus of the present invention, FIG. It is sectional drawing which shows the AA line of 4, and FIG. 6 (a)-(c) is sectional drawing which shows the conveyor 102. As shown in FIG.

1 to 3, the hybrid fine fuel combustion apparatus according to the first embodiment of the present invention includes a fine fuel supply unit 100, a mixing unit 200 including an air supply unit 210, and a fuel supply unit 110. And a combustion unit 400. By including such a configuration, the fine fuel supplied through the fine fuel supply unit 100 and the air supplied from the air supply unit 210 is mixed in the mixing unit 200 and then oil or gas fuel through the fuel supply unit 110. The fine fuel supplied from the fine fuel supply unit 100 while being supplied to the ignition plug 300 and ignited by the integrated burner 240 and heated to a temperature at which the combustion unit 400 is capable of combustion of fine fuel, and the air supply unit. The air supplied from 210 is mixed in the mixing unit 200 and then supplied to the combustion unit 400 to form a structure in which the combustion unit 400 burns only pure fine fuel.

First, the fine fuel supply unit 100 serves to store and supply fine fuel, and is provided in a funnel shape so that a user can conveniently supply fine fuel and may store a large amount of fine fuel. The hopper 101 is provided transparently or semi-transparently so that the amount of residual fine fuel can be checked by the user's naked eye.

Below the hopper 101 is provided with a conveyor 102 for moving the fine fuel moved downward from the hopper 101 at a constant speed. As shown in FIG. 6, the fine fuel dropped by gravity in the hopper 101 is horizontally moved by a screw method (screw conveyor), a belt method (belt conveyor), or vertically moved by a gear rotation method as illustrated in FIG. 6. At the same time, it can also finely re-differentiate the mass of fine fuel.

At this time, a fine fuel supply pipe 100P connecting the mixing unit 200 and the fine fuel supply unit 100 may be provided to supply the fine fuel of the fine fuel supply unit 100 to the mixing unit 200.

Here, one end of the fine fuel supply pipe (100P) is further provided with a blowing fan (100F) when the fine powder dropped from the conveyor (102) is transferred to the fine fuel supply pipe (100P) to the fine powder through the blowing fan (100F) It is easy to transfer fuel to the other end of the fine fuel supply pipe (100P).

Next, the air supply unit 210 is configured to supply air to the mixing unit 200, and is provided on the mixing unit 200 to supply air into the mixing unit 200 through the passage 220. In the mixing unit 200, the fine fuel and air can be mixed.

Meanwhile, as illustrated in FIGS. 4 and 5, the guide panel 230 formed in the passage 220 of the mixing unit 200 guides the direction of the air supplied from the air supply unit 210 and the combustion unit 400. ) When the fine fuel and air are mixed according to the internal temperature, the passage 220 rotates to one end to form the first passage 221, and the spark plug 300 according to the temperature of the combustion unit 400. In the case of providing air to the surroundings, the second passage 222 is formed by rotating to the other end of the passage 220. Here, space a of FIG. 5 is a first passage 221 in which fine fuel and air are mixed, space b is a second passage 222 through which air is introduced, space c is a fuel supply pipe 110P to which oil or gas is supplied. )to be.

The spark plug 300 is located in the integrated burner 240 inside the mixing unit 200 and ignites the oil or gas fuel supplied through the fuel supply unit 110.

At this time, when the preheating temperature of the combustion unit 400 is lower than the set temperature of 700 ~ 900 ℃ through a control unit (not shown) interlocked with the mixing unit 200 and the combustion unit 400, the guide panel 230 rotates. By supplying oil or gas fuel in a state in which the second passage 222 is formed through the ignition plug 300, the combustion unit 400 is preheated to prepare fine fuel combustion, and the combustion unit 400 is preheated. When the completion is higher than the set temperature 700 ~ 900 ℃ rotates the guide panel 230 of the mixing unit 200 in the opposite direction to supply the fine fuel mixed with air to supply the fine fuel in the combustion unit 400 Allow combustion.

As described above, the hybrid fine fuel combustion device according to the first embodiment of the present invention is used as a heating means for burning the fine fuel while simultaneously using coal having a lower calorific value and a longer ignition time than fine oil in the form of finely divided fuel. By using oil or gas, it is possible to provide the effect of increasing the combustion efficiency of fine fuel and operating the boiler efficiently at a low cost.

On the other hand, the fuel used in the fine fuel combustion apparatus according to the present invention in the form of semi-anthracite coal to minimize the air pollutants generated during coal combustion and increase the calorie by low-temperature heat-treatment of bituminous coal, the semi-anthracite coal to a particle size of 200 mesh or more It is desirable to maximize the combustion efficiency by increasing the surface area of coal particles by pulverizing and micronizing, to minimize the air pollutants generated during the combustion of coal and to increase the amount of heat.

In addition, by adding fine powders such as paraffin or stearic acid to the fine powder ground to a particle size of 200 mesh or more, it is possible to improve fuel flow and improve ignition by increasing fuel flow. More preferred.

In addition, it is also possible to use biomass as a clean energy raw material to further reduce the environmental pollutants such as sulfur components by pulverizing the biomass into the same particle as the fine powder, mixed with the fine fuel and a certain ratio.

[Second Embodiment]

7 is a side view showing a second embodiment of the hybrid fine fuel combustion device of the present invention, FIG. 8 is a perspective view showing a second embodiment of the hybrid fine fuel combustion device of the present invention, and FIG. It is a top view which shows the 2nd Example of the hybrid fine fuel combustion apparatus of this invention.

FIG. 10 is a cross-sectional view showing the fine fuel supply unit 100, the mixing unit 200, and the fuel supply unit 110 in the second embodiment of the hybrid fine fuel combustion apparatus of the present invention. It is sectional drawing which shows 10 AA lines.

7 to 9, the hybrid fine fuel combustion apparatus according to the second embodiment of the present invention includes a fine fuel supply unit 100, a mixing unit 200 including an air supply unit 210, and a fuel supply unit 110. And a combustion unit 400. By including such a configuration, the fine fuel supplied through the fine fuel supply unit 100 and the air supplied from the air supply unit 210 is mixed in the mixing unit 200 and then oil or gas fuel through the fuel supply unit 110. The fine fuel supplied from the fine fuel supply unit 100 while being supplied to the ignition plug 300 and ignited by the integrated burner 240 and heated to a temperature at which the combustion unit 400 is capable of combustion of fine fuel, and the air supply unit. The air supplied from 210 is mixed in the mixing unit 200 and then supplied to the combustion unit 400 to form a structure in which the combustion unit 400 burns only pure fine fuel.

First, the fine fuel supply unit 100 serves to store and supply fine fuel, and is provided with a hopper 101 that may store fine fuel, and is moved downward from the hopper 101 under the hopper 101. A conveyor 102 is provided for moving the fine fuel at a constant speed.

As shown in FIGS. 7 and 10, the end of the conveyor 102 is connected to the first passage 221 of the mixing part 200 in a state where the conveyor 102 is located above the mixing part 200. The differential fuel dropped by gravity at 101 moves horizontally to freely fall into the first passage 221.

At this time, a fine fuel supply pipe 100P connecting the mixing unit 200 and the fine fuel supply unit 100 may be provided to supply the fine fuel of the fine fuel supply unit 100 to the mixing unit 200.

The air supply unit 210 may be provided at one end of the mixing unit 200 to supply air to the passage 200 inside the mixing unit 200 so that the fine powder and the air may be mixed in the mixing unit 200. do.

Meanwhile, as illustrated in FIGS. 10 and 11, the guide panel 230 formed in the passage 220 of the mixing unit 200 guides the direction of the air supplied from the air supply unit 210 and the combustion unit 400. ) When the fine fuel and air are mixed according to the internal temperature, the passage 220 rotates to one end to form the first passage 221, and the spark plug 300 according to the temperature of the combustion unit 400. In the case of providing air to the surroundings, the second passage 222 is formed by rotating to the other end of the passage 220.

Here, space a of FIG. 11 is a first passage 221 in which fine fuel and air are mixed, space b is a second passage 222 through which air is introduced, space c is a fuel supply pipe 110P to which oil or gas is supplied. )to be.

The spark plug 300 is located in the integrated burner 240 inside the mixing unit 200 and ignites the oil or gas fuel supplied through the fuel supply unit 110.

At this time, when the preheating temperature of the combustion unit 400 is lower than the set temperature of 700 ~ 900 ℃ through a control unit (not shown) interlocked with the mixing unit 200 and the combustion unit 400, the guide panel 230 rotates. By supplying oil or gas fuel in a state in which the second passage 222 is formed through the ignition plug 300, the combustion unit 400 is preheated to prepare fine fuel combustion, and the combustion unit 400 is preheated. When the completion is higher than the set temperature 700 ~ 900 ℃ rotates the guide panel 230 of the mixing unit 200 in the opposite direction to supply the fine fuel mixed with air to supply the fine fuel in the combustion unit 400 Allow combustion.

[Third Embodiment]

Like the hybrid fine fuel combustion apparatus according to the first and second embodiments of the present invention described above, the third embodiment is also included in the present invention, and the same components as those of the first and second embodiments are duplicated. The description will be omitted.

12 is a side view showing a third embodiment of the hybrid fine fuel combustion device of the present invention, and FIG. 13 is a perspective view showing a third embodiment of the hybrid fine fuel combustion device of the present invention, and FIG. It is a top view which shows 3rd Example of the hybrid fine fuel combustion apparatus of this invention. 15 is a sectional view showing a mixing portion in a third embodiment of the hybrid fine fuel combustion apparatus of the present invention.

12 to 14, the hybrid fine fuel combustion apparatus according to the third embodiment of the present invention includes a mixed part 200 including a fine fuel supply part 100, an air supply part 210, and an integrated burner (not shown). It includes a fuel supply unit 110, the combustion unit 400. As in the first and second embodiments, the oil or gas fuel is supplied through the fuel supply unit 110 to allow the integrated burner to be ignited through the spark plug 300, and the combustion unit 400 is heated. The fine fuel supplied through the fine fuel supply unit 100 and the air supplied through the air supply unit 210 are mixed in the mixing unit 200 and then burned in the combustion unit 400.

Looking at the fine fuel supply unit 100, in the third embodiment of the present invention, the conveyor 102 is configured in a shape extending in the horizontal direction is the same as the first and second embodiments, except that the conveyor 102 ), Unlike the first and second embodiments, is formed in an integrated structure so that the fuel is constantly supplied without breaking the fuel, and may have a horizontal inclination or a constant inclination. In addition, the power supply device and the like of the conveyor 102 may include the same configuration as the first embodiment.

Finally, Figure 15 is a cross-sectional view showing a portion of the mixing unit 200 in the fine fuel combustion apparatus according to the third embodiment of the present invention. Referring to FIG. 15, a region where the conveyor 102 of the fine fuel supply unit 100 and the air supply pipe 211 of the air supply unit 210 meet is a mixing unit 200, and the fine fuel supplied through the conveyor 102. The air supplied through the air supply pipe 211 forms a space where they are mixed with each other. The fine fuel and air mixed in the mixing unit 200 are combusted while being supplied to the combustion unit 400 by the air supplied through the air supply pipe 211, and the combustion unit 400 can be operated by the heat that is combusted. Will be.

The hybrid fine fuel combustion device of the present invention configured as described above comprises a fine fuel supply unit for supplying fine fuel; An air supply unit which is formed to supply air, and is connected to the fine fuel supply unit to provide a space in which fine fuel and air are mixed; A fuel supply unit connected to the mixing unit and supplying oil or gas fuel; It is provided inside the mixing section, and is composed of a combustion section connected to the mixing section to combust the fine fuel to increase the combustion efficiency of the fine fuel to enable the boiler to operate efficiently at a low cost to improve the commerciality and at the same time It is an invention having an excellent advantage in maximizing fine fuel consumption by enabling the supply of a predetermined amount of fine fuel by preventing the agglomeration phenomenon or the backflow phenomenon.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is to be understood that various changes and modifications may be made without departing from the scope of the appended claims.

100: fine fuel supply unit 110: fuel supply unit
200: mixing section 210: air supply
240: integral burner 400: burner

Claims (12)

A fine fuel supply unit for supplying fine fuel;
An air supply part formed to supply air, and a mixing part connected to the fine fuel supply part to provide a space where the fine fuel and air are mixed;
A fuel supply unit connected to the mixing unit and supplying oil or gas fuel;
A combustion unit connected to the mixing unit to combust fine fuel;
A passage is formed inside the mixing unit, and a center of the passage is provided with a rotatable guide panel to guide the direction of the air supplied from the air supply unit.
The method according to claim 1,
The hybrid fine fuel combustion device, characterized in that provided in the mixing unit or the lower end, is connected to the fine fuel supply unit is provided with an integral burner which is used as a heating means of the combustion unit during the initial operation through the supply of oil or gas fuel.
The method according to claim 1,
The hybrid fine fuel combustion device is provided in the mixing unit, and further comprising an ignition plug connected to the fuel supply unit to ignite oil or gas fuel.
The method according to claim 1,
The fine fuel supply unit
A hopper for storing fine fuel;
And a conveyor provided under the hopper to move the fine fuel stored in the hopper at a constant speed.
The method of claim 4,
The hybrid fine fuel combustion device, characterized in that the conveyor is provided extending in the horizontal direction.
The method of claim 4,
The hybrid fine fuel combustion device, characterized in that the conveyor is provided in the shape of a gear.
The method of claim 4,
The hopper is a funnel-shaped, hybrid fine fuel combustion apparatus, characterized in that the transparent or translucent provided.
The method of claim 4,
And a motor provided at an end of the conveyor to provide power to the conveyor.
The method according to claim 1,
Hybrid air-fuel combustion apparatus, characterized in that the air supply comprises an air supply pipe.
delete The method according to claim 1,
Hybrid fine fuel combustion apparatus, characterized in that the locking projection is formed on the inner peripheral surface of the passage to limit the rotation angle of the guide panel.
The method according to claim 1,
And a control unit interlocked with the mixing unit and the combustion unit to control oil or gas fuel supply or fine fuel supply according to the internal temperature of the combustion unit.

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