KR100275409B1 - Outside burner - Google Patents

Abstract

The present invention relates to an outdoor combustion device that is built in a combustor of oil or gas, such as an outdoor unit of a hot water heating system, and is installed and used outdoors. A guide box provided in the upper part of the case and having an open front surface, and a ceiling plate having an L-shaped cross section covering the top surface of the guide box and forming an interval between the top surface of the guide box and forming a gap therebetween. The guide box is provided with an intake pipe connecting hole for supplying combustion air to the combustor and an exhaust pipe connecting hole for exhausting exhaust gas after being combusted by the combustor, and at the front of the ceiling plate, The inlet and exhaust ports which communicate with each other through the spaces independent of the engine connecting hole and the exhaust pipe connecting hole are provided. .

With such a configuration, since the intake portion and the exhaust portion are located inside the ceiling plate, the entire apparatus can be made compact and the appearance can be improved, and since the intake portion and the exhaust portion are not directly exposed to the outside air, high corrosion resistance is achieved. The effect that a material does not need to be used and manufacturing cost can be reduced is acquired.

Description

Outdoor Combustion Equipment {OUTSIDE BURNER}

The present invention relates to an outdoor combustion device that is built in a combustor of oil or gas, such as an outdoor unit of a hot water heating device, and installed and used outdoors.

FIG. 5 is a cross-sectional view of a conventional outdoor combustion device described in Japanese Utility Model Publication No. Hei 3-97108. In the drawing, reference numeral 19 denotes a combustion device 21 and a heat exchanger unit provided in a main body case 28. A heat exchanger having a heat exchanger (27), (22) is a cistern tank for storing heated hot water, (23) is a circulation pump, (24) is a hot water pipe, and (25) is a hot water circuit. . Reference numeral 26 denotes an intake and exhaust cylinder provided with an intake port 4 and an exhaust port 5 provided on the outer upper portion of the body case 28.

Next, the operation will be described. In the combustor 21, the intake port 4 sucks air and generates combustion gas, and the hot water supplied from the hot water recirculation tube 25 passes through the heat exchange unit 27 by this heat. The hot water heated when heated and heated to a high temperature is once stored in the storage tank 22. Next, the hot water stored in the water storage tank 22 is supplied to the load from the hot water circulation pipe 24 by the circulation pump 23.

The conventional outdoor combustion device is configured as described above, and since the intake and exhaust cylinder 26 protrudes from the main body case 28, not only the aesthetic appearance is damaged but also the external dimension is increased, and the intake and exhaust cylinder 26 is the main body case 28. Since it is outside of, it is necessary to use a material such as stainless steel having excellent corrosion resistance for the intake and exhaust cylinder 26, and there is a problem of high cost.

An object of the present invention has been made to solve the above problems, it is to obtain an outdoor combustion device that can be aesthetically good, compact and can reduce the manufacturing cost.

1 is a perspective view of an outdoor combustion device showing Embodiment 1 of the present invention;

2 is a front cross-sectional view of an outdoor combustion device showing Embodiment 1 of the present invention;

3A is a cross-sectional view taken along the line A-A of FIG. 2;

3b is a partial side cross-sectional view taken along line B-B,

4 is an exploded perspective view of an essential part of an outdoor combustion device showing Embodiment 1 of the present invention;

5 is a cross-sectional view showing a conventional outdoor combustion device.

[Description of the code]

1: main body case, 2: front panel, 3: ceiling plate, 3a: top part,

3b: front part, 4: intake port, 5: exhaust window, 6: hot water pipe,

7: hot water corridor, 8: guide box, 8a: bottom plate, 8b: first side plate,

9: inlet pipe connecting hole, 11: exhaust pipe connecting hole, 13: exhaust guide,

13b: 2nd side plate, 13d: exhaust port, 14: exhaust part, 15: intake part,

16: blower, 18 burner, 19 heat exchanger.

An outdoor combustion apparatus according to the present invention includes: a guide box provided at an upper portion of a main body case and having an open front surface; A ceiling plate having an L-shaped cross section covering the top surface of the guide box and covering the front surface of the guide box and forming a gap between the top surface of the guide box, and the combustion box is provided with combustion air in the guide box. An intake pipe connecting hole for supplying gas and an exhaust pipe connecting hole for exhausting exhaust gas after being combusted by the combustor, respectively, and at the front portion of the ceiling plate, an intake pipe connecting hole and an exhaust pipe connecting hole of the guide box. Inlet and exhaust ports are provided to communicate with each other through independent spaces.

In addition, the guide box which is provided in the upper portion in the main body case open the front; An exhaust guide provided in the guide box and forming an exhaust passage between the guide box and an exhaust port in the front surface thereof; And a ceiling plate having an L-shaped cross section covering an upper surface of the guide box so as to simultaneously cover the front surface of the exhaust guide and the front surface of the guide box and form a gap between the upper surface of the guide box and the guide plate. The intake pipe connecting hole for supplying combustion air to the combustor and the exhaust pipe connecting hole for exhausting the exhaust gas after being combusted by the combustor are provided in the box, and the intake pipe connection of the guide box is connected to the front part of the ceiling plate. An intake port corresponding to the hole and an exhaust window corresponding to the exhaust pipe connecting hole are provided, and a packing is interposed between the exhaust window and the exhaust port of the exhaust guide, and the intake pipe connecting hole and the intake port, the exhaust port, and the exhaust window are closed. It communicated through independent spaces.

In addition, the guide box is formed so that the bottom portion is inclined downward toward the front.

[Examples of the Invention]

Example 1

EMBODIMENT OF THE INVENTION Hereinafter, Embodiment 1 of the outdoor combustion apparatus which concerns on this invention is described according to drawing.

1 is a perspective view of an outdoor combustion device showing Embodiment 1 of the present invention, FIG. 2 is a front sectional view, FIG. 3A is a sectional view taken along the line AA of FIG. 2, and FIG. 3B is a partial sectional view taken along the line BB of FIG. 4 is an exploded perspective view of the main parts of the hot water heater.

In the drawing, (1) is a main body case, (2) is a front panel, (3) is an L-shaped cross section with a front portion (3b) provided along the front panel (2), which is the upper surface portion (3a) and the case front portion; It is a shape ceiling plate. (4) is an intake port provided in the upper surface portion 3a of the ceiling plate (3), (5) an exhaust window provided in the upper surface portion (3a), (13) an exhaust guide provided with an exhaust port (13d), (6) Is a hot-water heating pipe for sending the heated hot water to the load, and (7) is a hot-water corridor pipe returned from the load.

(8) is a box-shaped guide consisting of a bottom plate (8a), a first side plate (8b) surrounding the rear and both ends of the bottom plate (8a), and a top plate (8c) covering the top of the bottom plate (8a). As a box, the front face is opened and provided in the upper part of the main body case 1. As shown in FIG. (9) is connected to the intake pipe (10) as an intake pipe connecting hole provided in the bottom plate (8a) of the guide box (8). Similarly, 11 is connected with the exhaust pipe 12 as an exhaust pipe connection hole provided in the bottom plate 8a.

13 is a front plate 13a, a front plate having a second side plate 13b and an exhaust port 13d surrounding the rear and both ends of the top plate 13a and lower than the height of the first side plate 8b. A box-shaped exhaust guide made of 13c and having a lower surface, which is attached to the guide box 8 so that the lower end of the second side plate 13b surrounds the exhaust pipe connecting hole 11.

14 is an exhaust passage surrounded by the bottom plate 8a of the guide box 8, the front portion 3b of the ceiling plate 3 and the exhaust guide 13, and the exhaust port 13d and the exhaust pipe connecting hole ( And an intake passage surrounded by the front portion 3b of the ceiling plate 3, the guide box 8, and the exhaust guide 13, and the intake port 4 and the intake pipe. It is an intake part comprised of the connection hole 9.

Numeral 16 is a blower which blows out the combustion air intaken from the intake portion 15 via the intake pipe 10 to the blown pipe 17, and 18 is the combustion air and fuel sent from the blown pipe 17. The combustor which generate | occur | produces combustion gas by the heat exchanger (19) is a heat exchanger which heats up the hot water returned from a load by combustion gas, and sends it again to a load.

By the above structure, the upper end part of the 1st side plate 8b of the guide box 8 is attached inside the upper surface part 3a of the ceiling plate 3, and the front end part and the bottom plate of the 1st side plate 8b ( The front end portion 8a) is attached to the inside of the front portion 3b of the ceiling plate 3 so as to surround the intake port 4 and the exhaust window 5. At this time, the exhaust port 13d of the exhaust guide 13 is inside the exhaust window 5, and the front end of the second side plate 13b surrounds the exhaust window 5, and the exhaust port 13d is moved toward the center of the exhaust window 5; It is attached to the inside of the front portion (3b) of the ceiling plate (3) via a packing (29). As a result, the intake portion 15 and the exhaust portion 14 are formed in the ceiling plate 3.

Then, when the ceiling plate 3 provided with the exhaust part 15 and the intake part 14 is attached to the upper part of the main body case 1, the intake pipe 10 provided in the main body case 1 and the attachment operation | movement simultaneously with this attachment operation | movement The exhaust pipe 12 is connected to the intake pipe connecting hole 9 and the exhaust pipe connecting hole 11 provided in the guide box 8, respectively, and the intake and exhaust path of the whole apparatus is completed.

In the outdoor combustion device configured as described above, the combustion air sucked from the intake unit 15 by the blower 16 is blown into the combustor 18 through the intake pipe 10 and the blower pipe 17 and burned. Generate gas. By this heat, when the hot water supplied from the hot water recirculation tube 7 passes through the heat exchanger 19, it is heated up and supplied to the load from the hot water circulation pipe 6.

The combustion gas after the heat exchange is discharged from the exhaust unit 14 via the exhaust pipe 12.

At this time, since the height of the second side plate 13b of the exhaust guide 13 in the exhaust portion 14 is lower than the height of the first side plate 8b of the guide box 8, the exhaust guide 13 A gap is formed between the top plate 13a of the top plate and the top plate 8c of the guide box 8. That is, the upper surface plate 8c of the guide box 8 covers the upper surface so as to form a gap between the upper surface of the exhaust guide 13. Therefore, the heat of the exhaust gas is prevented from being transferred to the top plate 8c of the guide box 8, and the heat of the exhaust gas is prevented from being transferred to the top surface portion 3a of the ceiling plate 3. On the other hand, the combustion air sucked in the intake port 4 also enters this void and is air cooled by the combustion air, so that the temperature rise of the upper surface portion 3a of the ceiling plate 3 can be effectively suppressed.

In addition, since the bottom plate 8a of the guide box 8 is inclined downward toward the front side, even if rainwater enters the guide box 8 from the intake port 4 or the exhaust port 13d, Guided to the front side by the inclination of 8a) can be discharged downward along the inner surface of the main body case (1).

In addition, an exhaust port 13d is formed in the exhaust guide 13, an exhaust window 5 is provided in the front portion 3b of the ceiling plate 3, and the exhaust guide 13 is passed through the packing 29 to the ceiling plate ( Since it is attached inside the front part 3b of 3), heat of the exhaust guide 13 is not transmitted to the ceiling plate 3, and temperature rise can be prevented further, and the corrosion resistance as the ceiling plate 3 is The need for using a material such as high stainless steel can be eliminated, and a coated steel sheet can be used, which eliminates the coating process, thereby reducing manufacturing costs.

As described above, the outdoor combustion device of the present invention is provided with a guide box which is provided in the upper portion in the body case and the front open; A ceiling plate having an L-shaped cross section covering the top surface of the guide box and covering the front surface of the guide box and forming a gap between the top surface of the guide box, and the combustion box is provided with combustion air in the guide box. An intake pipe connecting hole for supplying gas and an exhaust pipe connecting hole for exhausting exhaust gas after being combusted by the combustor, respectively, and at the front portion of the ceiling plate, an intake pipe connecting hole and an exhaust pipe connecting hole of the guide box. Since the intake port and the exhaust port communicate with each other through spaces independent from each other, the intake part and the exhaust part can be made small inside the ceiling plate, and the appearance can be improved. Since it is not directly exposed, it is not necessary to use a material with high corrosion resistance, and manufacturing cost can be reduced.

In addition, according to the outdoor combustion apparatus of the present invention, the guide box is provided in the upper portion of the main body case and the front is opened; An exhaust guide provided in the guide box and forming an exhaust passage between the guide box and an exhaust port in the front surface thereof; And a ceiling plate having an L-shaped cross section covering an upper surface of the guide box so as to simultaneously cover the front surface of the exhaust guide and the front surface of the guide box and form a gap between the upper surface of the guide box and the guide plate. The intake pipe connecting hole for supplying combustion air to the combustor and the exhaust pipe connecting hole for exhausting the exhaust gas after being combusted by the combustor are provided in the box, and the intake pipe connection of the guide box is connected to the front part of the ceiling plate. An intake port corresponding to the hole and an exhaust window corresponding to the exhaust pipe connecting hole are provided, and a packing is interposed between the exhaust window and the exhaust port of the exhaust guide, and the intake pipe connecting hole and the intake port, the exhaust port, and the exhaust window are closed. By communicating through spaces independent from each other, the intake portion and the exhaust portion are located inside the ceiling plate. It can downsize and improve appearance. In addition, since the intake portion and the exhaust portion are not directly exposed to the outside air, there is no need to use a material having high corrosion resistance, and a coated steel sheet which requires no coating process can be used, thereby reducing manufacturing costs. In addition, since the exhaust guide and the guide box are arranged away from the ceiling plate, the heat conduction to the ceiling plate can be suppressed and the temperature rise of the ceiling plate can be further suppressed.

In addition, according to the outdoor combustion apparatus of the present invention, the guide box is formed so that the bottom portion is inclined downward toward the front, so that even if rain water or the like enters the guide box from the intake or exhaust portion, It is guided to the front side by the inclination and can be discharged downward along the inner surface of the main body case.

Claims (3)

An L-shaped ceiling with a cross section covering the upper surface of the guide box provided at the upper part of the main body case and covering the front surface of the guide box and the front surface of the guide box and forming a gap between the upper surface of the guide box. The guide box is provided with an intake pipe connecting hole for supplying combustion air to the combustor and an exhaust pipe connecting hole for exhausting exhaust gas after being combusted by the combustor, respectively, and at the front of the ceiling plate. And an intake port and an exhaust port communicating with the intake pipe connecting hole and the exhaust pipe connecting hole of the guide box through independent spaces. The method of claim 1, And an exhaust guide provided in the guide box and providing an exhaust passage between the guide box and the exhaust port on the front surface thereof. The charging plate is also provided to cover the front surface of the exhaust guide, An exhaust window corresponding to the exhaust pipe connecting hole is provided in the front portion of the ceiling plate, and a packing is provided between the exhaust window and the exhaust port of the exhaust guide, and the intake pipe connecting hole, the intake port, the exhaust port, and the exhaust window are provided. An outdoor combustion device characterized in that the communication through a space independent from each other. The method according to claim 1 or 2, The guide box is an outdoor combustion device, characterized in that the bottom portion is formed to be inclined downward toward the front.