Combustion device capable of improving combustion efficiency

Abstract

The utility model provides a combustion device capable of improving combustion efficiency, which comprises a furnace body and a combustor, the furnace body comprises a furnace basin and a furnace shell, the furnace shell is provided with a plurality of air inlet holes along the outer periphery of the horizontal direction and is sleeved on the outer periphery of the furnace basin along the horizontal direction, and the air inlet holes are communicated with the inside and the outside of the furnace shell. The furnace basin is provided with a combustion area and a plurality of shielding parts, the shielding parts are arranged at the positions with the height identical to that of the air inlet holes in the vertical direction, a ventilation part is arranged between every two adjacent shielding parts in the shielding parts, and the ventilation parts are communicated with the combustion area and the interior of the furnace shell. The combustor comprises at least one arc-shaped first combustion pipe with a virtual center line extending in the vertical direction as the center, the first combustion pipe is arranged in the combustion area, and the combustion efficiency of the combustion device can be improved through the structure.

Description

Technical Field

[0001] The utility model relates to a combustion device, in particular to a combustion device capable of improving combustion efficiency. Background Art

[0002] Please refer to Taiwan Patent No. TWI797007, "Combustion Device with High Combustion Efficiency", which is a combustion device comprising a base and a burner tube, the burner tube being disposed in the base, the burner tube comprising an air mixing section and an air outlet section, the air mixing section extending axially along a horizontal and virtual reference line, an air inlet being disposed at one end of the air mixing section and a first air mixing port being disposed on a radial outer periphery, the air mixing section being provided with a first side and a second side opposite to the first side, the first air mixing port being disposed on the second side, the air outlet section being connected to an end of the air mixing section opposite to the air inlet, the air outlet section being provided with a straight portion and a first bent portion, the straight portion extending axially along the reference line and one end connected to the air mixing section, one end of the first bent portion being connected to an end of the straight portion opposite to the air mixing section, the first bent portion being bent in a direction which is the same as the first air mixing port toward the side of the air mixing section.

[0003] However, the burner tube of the above-mentioned combustion device is arranged inside the base with closed sides. The combustion process of the combustion device will generate high temperature inside the base. Even if the base can inhale air from the bottom due to convection, the air expands when it is heated and its density decreases, which limits the combustion-supporting effect of the air. Similarly, the air inhaled by the first mixing port set in the mixing section is also heated high-temperature air, which is not effective in improving the combustion efficiency. Utility Model Content

[0004] The main purpose of the present utility model is to provide a combustion device that can improve combustion efficiency, which includes a combustion device comprising a furnace body and a burner, the furnace body including a furnace basin and a furnace shell, the furnace shell is provided with a plurality of air inlet holes along the outer periphery in the horizontal direction and is sleeved on the outer periphery in the horizontal direction of the furnace basin, the air inlet holes connect the interior and the outside of the furnace shell, the furnace basin is provided with a combustion zone and a plurality of shielding parts, the plurality of shielding parts are arranged at the same position as the air inlet holes along the vertical height, an air permeable part is provided between two adjacent shielding parts among the plurality of shielding parts, the air permeable part connects the combustion zone with the interior of the furnace shell, the burner includes at least one first combustion tube in an arc shape with a virtual center line extending vertically as the center, the first combustion tube is arranged in the combustion zone, and the combustion device can improve combustion efficiency through the above structure.

[0005] The furnace body includes a baking tray, which is connected to the vertical upper edge of the furnace shell. The combustion area is arranged between the furnace basin and the baking tray. The baking tray is provided with an oil dripping hole centered on the center line. The distance from the inner periphery of the oil dripping hole to the center line forms a first radius. The distance from the inner periphery of the first combustion tube to the center line forms a second radius. The second radius is greater than the first radius.

[0006] The number of the at least one first combustion tube is two, and the two first combustion tubes are respectively semicircular and arranged on opposite sides of the center line along the horizontal direction. The distance between the inner periphery of the two first combustion tubes and the center line is equal to the second radius.

[0007] The burner includes two second combustion tubes in an arc shape centered on the center line. The two second combustion tubes are respectively semicircular and arranged on opposite sides of the center line in the horizontal direction. The second combustion tubes are arranged at the same vertical height as the first combustion tube in the combustion zone. The distance from the inner periphery of the second combustion tube to the center line forms a third radius, which is smaller than the second radius. The distance from the inner periphery of the two second combustion tubes to the center line is equal to the third radius.

[0008] The interior space of the furnace body is provided with an insulation area, which is provided on the side of the furnace basin opposite to the baking tray and between the furnace basin and the furnace shell. The furnace basin is provided with two first through holes and two second through holes, and the two first through holes and the two second through holes are respectively connected to the combustion area and the insulation area. The burner includes two first nozzles, two second nozzles, two first mixing pipes and two second mixing pipes. The two first nozzles are respectively provided at the two first through holes, and the two second nozzles are respectively provided at the two second through holes. The furnace body includes two first caps. The two first caps are respectively sleeved on the two first nozzles and cover the side of the two first through holes adjacent to the baking tray. The two second caps are respectively sleeved on the second nozzles and cover the side of the two second through holes adjacent to the baking tray. One end of the two first mixing tubes is respectively connected to the two first nozzles and the other end protrudes out of the two first caps and is respectively connected to the two first combustion tubes. One end of the two second mixing tubes is respectively connected to the two second nozzles and the other end protrudes out of the two second caps and is respectively connected to the two second combustion tubes.

[0009] The burner is provided with two virtual first connecting lines and two second connecting lines. The first connecting lines both pass through the center line and the two first nozzles respectively. The angle formed between the two first connecting lines is greater than 150 degrees and less than 210 degrees. The two second connecting lines both pass through the center line and the two second nozzles respectively. The angle formed between the two second connecting lines is greater than 150 degrees and less than 210 degrees.

[0010] The two first gas mixing pipes are respectively provided with a first gas mixing port communicating with the interior and the exterior thereof on the side surfaces along the horizontal direction, and the two first gas mixing ports are respectively provided in the two first caps, and the two second gas mixing ports are respectively provided with a second gas mixing port communicating with the interior and the exterior thereof on the side surfaces along the horizontal direction, and the two second gas mixing ports are respectively provided in the two second caps.

[0011] The stove basin includes two first basin bodies and two second basin bodies. The two first basin bodies and the two second basin bodies are arranged alternately and are respectively fan-shaped and can be arranged and combined to form a disc shape. The two first basin bodies are of the same replaceable structure, and the two second basin bodies are of the same replaceable structure. The several shielding parts are evenly distributed on the outer peripheries of the two first basin bodies and the two second basin bodies along the horizontal direction. The two first through holes are respectively arranged one-to-one on the two first basin bodies, and the two second through holes are respectively arranged one-to-one on the two second basin bodies.

[0012] The two first basins are respectively connected to a first bracket along the vertical lower edge, and the two second basins are respectively connected to a second bracket along the vertical lower edge. The two first brackets and the two second brackets are respectively connected to the furnace shell.

[0013] The utility model can improve the combustion efficiency through the above structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional appearance diagram of the combustion device of the utility model which can improve combustion efficiency.

[0015] Figure 2 This is a three-dimensional exploded view of the combustion device of the utility model which can improve combustion efficiency.

[0016] Figure 3 This is a three-dimensional exploded view of the combustion device cap of the utility model which can improve combustion efficiency.

[0017] Figure 4 This is a three-dimensional exploded view from another perspective of the combustion device cap that can improve combustion efficiency according to the present invention.

[0018] Figure 5 This is a vertical cross-sectional structural diagram of a combustion device capable of improving combustion efficiency according to the present invention.

[0019] Figure 6 This is a cross-sectional structural diagram of the first cap of the combustion device of the utility model which can improve the combustion efficiency.

[0020] Figure 7 This is a cross-sectional structural diagram of the second cap of the combustion device of the present invention which can improve combustion efficiency.

[0021] Figure 8 This is a cross-sectional structural diagram of the shielding portion of the combustion device of the utility model that can improve combustion efficiency along the horizontal direction.

[0022] Figure 9 This is a cross-sectional structural diagram of a burner of a combustion device capable of improving combustion efficiency according to the present invention along the horizontal direction.

[0023] Explanation of the reference numerals: 10 combustion device; 20 furnace body; 21 furnace basin; 211 combustion zone; 212 shielding portion; 213 ventilation portion; 214 first through hole; 215 second through hole; 216 first basin body; 217 second basin body; 218 first bracket; 219 second bracket; 22 furnace shell; 221 air inlet; 23 baking tray; 231 oil dripping hole; 24 heat insulation area; 25 first cap; 26 second cap; 30 burner; 31 first combustion tube; 32 second combustion tube; 33 first nozzle; 34 second nozzle; 35 first gas mixing tube; 351 first gas mixing port; 36 second gas mixing tube; 361 second gas mixing port; C center line; L1 first connecting line; L2 second connecting line; R1 first radius; R2 second radius; R3 third radius. DETAILED DESCRIPTION

[0024] Please refer to Figures 1 to 9 The figures are respectively a three-dimensional appearance diagram, a three-dimensional exploded diagram and a cross-sectional structure diagram of the combustion device of the present invention which can improve combustion efficiency. The combustion device 10 of the present invention includes a furnace body 20 and a burner 30; wherein:

[0025] The furnace body 20 includes a furnace basin 21 and a furnace shell 22. The furnace shell 22 is provided with several air inlet holes 221 along the outer periphery in the horizontal direction and is sleeved on the outer periphery in the horizontal direction of the furnace basin 21. The air inlet holes 221 connect the inside and outside of the furnace shell 22. The furnace basin 21 is provided with a combustion area 211 and several shielding parts 212. The several shielding parts 212 are arranged at the same position as the air inlet holes 221 along the vertical height. An air permeable part 213 is provided between two adjacent shielding parts 212 among the several shielding parts 212. The air permeable part 213 connects the combustion area 211 and the inside of the furnace shell 22.

[0026] The burner 30 includes at least one first combustion tube 31 having an arc shape centered on a virtual center line C extending vertically. The first combustion tube 31 is disposed in the combustion zone 211 .

[0027] The furnace body 20 includes a baking tray 23, which is connected to the upper edge of the furnace shell 22 in the vertical direction. The combustion zone 211 is arranged between the furnace basin 21 and the baking tray 23. The baking tray 23 is provided with an oil dripping hole 231 centered on the center line C. The distance from the inner periphery of the oil dripping hole 231 to the center line C forms a first radius R1. The distance from the inner periphery of the first combustion tube 31 to the center line C forms a second radius R2. The second radius R2 is greater than the first radius R1.

[0028] In this embodiment, the number of the at least one first combustion tube 31 is two. The two first combustion tubes 31 are respectively semicircular and arranged on opposite sides of the center line C in the horizontal direction. The distance between the inner periphery of the two first combustion tubes 31 and the center line C is equal to the second radius R2.

[0029] The burner 30 includes two second combustion tubes 32 in an arc shape with the center line C as the center. The two second combustion tubes 32 are respectively semicircular and arranged on opposite sides of the center line C in the horizontal direction. The second combustion tubes 32 are arranged at the same position as the first combustion tube 31 in the vertical direction within the combustion zone 211. The distance from the inner periphery of the second combustion tube 32 to the center line C forms a third radius R3, and the third radius R3 is smaller than the second radius R2. The distance from the inner periphery of the two second combustion tubes 32 to the center line C is equal to the third radius R3.

[0030] The interior space of the furnace body 20 is provided with an insulation area 24, which is provided on the side of the furnace basin 21 opposite to the baking tray 23 and between the furnace basin 21 and the furnace shell 22. The furnace basin 21 is provided with two first through holes 214 and two second through holes 215. The two first through holes 214 and the two second through holes 215 are respectively connected to the combustion area 211 and the insulation area 24. The burner 30 includes two first nozzles 33, two second nozzles 34, two first mixing pipes 35 and two second mixing pipes 36. The two first nozzles 33 are respectively provided in the two first through holes 214, and the two second nozzles 34 are respectively provided in the two second through holes 215. The furnace body 20 The grill comprises two first caps 25 and two second caps 26. The two first caps 25 are respectively mounted on the two first nozzles 33 and cover the two first through holes 214 on one side adjacent to the grilling tray 23. The two second caps 26 are respectively mounted on the second nozzles 34 and cover the two second through holes 215 on one side adjacent to the grilling tray 23. One end of the two first mixing pipes 35 is respectively connected to the two first nozzles 33, and the other end protrudes from the two first caps 25 and is respectively connected to the two first combustion pipes 31. One end of the two second mixing pipes 36 is respectively connected to the two second nozzles 34, and the other end protrudes from the two second caps 26 and is respectively connected to the two second combustion pipes 32.

[0031] The burner 30 is provided with two virtual first connecting lines L1 and two second connecting lines L2. The first connecting lines L1 both pass through the center line C and the two first nozzles 33 respectively. The angle formed between the two first connecting lines L1 is greater than 150 degrees and less than 210 degrees. The two second connecting lines L2 both pass through the center line C and the two second nozzles 34 respectively. The angle formed between the two second connecting lines L2 is greater than 150 degrees and less than 210 degrees.

[0032] The two first gas mixing pipes 35 are respectively provided with a first gas mixing port 351 connecting the interior and the exterior thereof on the side surfaces along the horizontal direction, and the two first gas mixing ports 351 are respectively provided in the two first caps 25 . The two second gas mixing pipes 36 are respectively provided with a second gas mixing port 361 connecting the interior and the exterior thereof on the side surfaces along the horizontal direction, and the two second gas mixing ports 361 are respectively provided in the two second caps 26 .

[0033] The stove basin 21 includes two first basin bodies 216 and two second basin bodies 217. The two first basin bodies 216 and the two second basin bodies 217 are arranged alternately and are respectively fan-shaped and can be arranged and combined to form a disc shape. The two first basin bodies 216 are of the same replaceable structure, and the two second basin bodies 217 are of the same replaceable structure. The multiple shielding portions 212 are evenly distributed on the outer peripheries of the two first basin bodies 216 and the two second basin bodies 217 along the horizontal direction. The two first through holes 214 are respectively arranged one-to-one on the two first basin bodies 216, and the two second through holes 215 are respectively arranged one-to-one on the two second basin bodies 217.

[0034] The two first basins 216 are respectively connected to a first bracket 218 along their vertical lower edges. The two second basins 217 are respectively connected to a second bracket 219 along their vertical lower edges. The two first brackets 218 and the two second brackets 219 are respectively connected to the furnace shell 22 .

[0035] The combustion device 10 can improve combustion efficiency through the above-mentioned structure. When the combustion device 10 is in use, the hot air and exhaust gas generated by the combustion of the first combustion tube 31 and the second combustion tube 32 in the combustion zone 211 can be discharged through the oil drip hole 231 and drawn into the air outside the combustion device 10 through the air permeable portion 213. The low-temperature cold air outside has a high density and has a better combustion-supporting effect. The multiple shielding portions 212 can also block the airflow directly blowing towards the first combustion tube 31 and the second combustion tube 32. Even if the combustion device 10 is exposed to wind, it can maintain stable flame combustion in the first combustion tube 31 and the second combustion tube 32. Similarly, while the first nozzle 33 provides fuel to the first combustion tube 31, it can also draw air through the first air mixing port 351 to assist combustion. The first cap 25 and the first through hole 214 enable the first air mixing port 351 to draw in the lower-temperature air in the insulation zone 24, thereby improving the combustion efficiency of the first combustion tube 31.

[0036] Based on the above, it can be concluded that the present invention has the following advantages:

[0037] The utility model provides a combustion device capable of improving combustion efficiency, wherein the combustion device comprises a furnace body and a burner, the furnace body comprises a furnace basin and a furnace shell, the furnace shell is provided with a plurality of air inlet holes along the outer periphery in the horizontal direction and is sleeved on the outer periphery in the horizontal direction of the furnace basin, the air inlet holes connect the interior and the exterior of the furnace shell, the furnace basin is provided with a combustion zone and a plurality of shielding parts, the plurality of shielding parts are arranged at positions with the same height as the air inlet holes along the vertical direction, an air permeable part is provided between two adjacent shielding parts among the plurality of shielding parts, the air permeable part connects the combustion zone with the interior of the furnace shell, the burner comprises at least one first combustion tube in an arc shape with a virtual center line extending vertically as the center, the first combustion tube is arranged in the combustion zone, and the combustion device can improve combustion efficiency through the above structure.

Claims

1. A combustion device capable of improving combustion efficiency, characterized in that: Includes: A furnace body, comprising a furnace basin and a furnace shell, wherein the furnace shell is provided with a plurality of air inlet holes along the horizontal outer periphery thereof and is sleeved over the horizontal outer periphery thereof, wherein the air inlet holes connect the interior and exterior of the furnace shell, the furnace basin is provided with a combustion zone and a plurality of shielding portions, wherein the plurality of shielding portions are provided at the same vertical height as the air inlet holes, and an air permeable portion is provided between two adjacent shielding portions of the plurality of shielding portions, wherein the air permeable portion connects the combustion zone and the interior of the furnace shell; A burner comprises at least one first combustion tube in an arc shape with a virtual center line extending vertically as the center, and the first combustion tube is arranged in the combustion zone.

2. The combustion device capable of improving combustion efficiency according to claim 1, characterized in that: The furnace body includes a baking tray, which is connected to the vertical upper edge of the furnace shell. The combustion area is arranged between the furnace basin and the baking tray. The baking tray is provided with an oil dripping hole centered on the center line. The distance from the inner periphery of the oil dripping hole to the center line forms a first radius. The distance from the inner periphery of the first combustion tube to the center line forms a second radius. The second radius is greater than the first radius.

3. The combustion device capable of improving combustion efficiency according to claim 2, characterized in that: The number of the at least one first combustion tube is two, and the two first combustion tubes are respectively semicircular and arranged on opposite sides of the center line along the horizontal direction. The distance between the inner periphery of the two first combustion tubes and the center line is equal to the second radius.

4. The combustion device capable of improving combustion efficiency according to claim 3, characterized in that: The burner includes two second combustion tubes in an arc shape centered on the center line. The two second combustion tubes are respectively semicircular and arranged on opposite sides of the center line in the horizontal direction. The second combustion tubes are arranged at the same vertical height as the first combustion tube in the combustion zone. The distance from the inner periphery of the second combustion tube to the center line forms a third radius, which is smaller than the second radius. The distance from the inner periphery of the two second combustion tubes to the center line is equal to the third radius.

5. The combustion device capable of improving combustion efficiency according to claim 4, characterized in that: The interior space of the furnace body is provided with an insulation area, which is provided on the side of the furnace basin opposite to the baking tray and between the furnace basin and the furnace shell. The furnace basin is provided with two first through holes and two second through holes, and the two first through holes and the two second through holes are respectively connected to the combustion area and the insulation area. The burner includes two first nozzles, two second nozzles, two first mixing pipes and two second mixing pipes. The two first nozzles are respectively provided at the two first through holes, and the two second nozzles are respectively provided at the two second through holes. The furnace body includes two first caps. The two first caps are respectively sleeved on the two first nozzles and cover the side of the two first through holes adjacent to the baking tray. The two second caps are respectively sleeved on the second nozzles and cover the side of the two second through holes adjacent to the baking tray. One end of the two first mixing tubes is respectively connected to the two first nozzles and the other end protrudes out of the two first caps and is respectively connected to the two first combustion tubes. One end of the two second mixing tubes is respectively connected to the two second nozzles and the other end protrudes out of the two second caps and is respectively connected to the two second combustion tubes.

6. The combustion device capable of improving combustion efficiency according to claim 5, characterized in that: The burner is provided with two virtual first connecting lines and two second connecting lines. The first connecting lines both pass through the center line and the two first nozzles respectively. The angle formed between the two first connecting lines is greater than 150 degrees and less than 210 degrees. The two second connecting lines both pass through the center line and the two second nozzles respectively. The angle formed between the two second connecting lines is greater than 150 degrees and less than 210 degrees.

7. The combustion device capable of improving combustion efficiency according to claim 5, characterized in that: The two first gas mixing pipes are respectively provided with a first gas mixing port communicating with the interior and the exterior thereof on the side surfaces along the horizontal direction, and the two first gas mixing ports are respectively provided in the two first caps, and the two second gas mixing ports are respectively provided with a second gas mixing port communicating with the interior and the exterior thereof on the side surfaces along the horizontal direction, and the two second gas mixing ports are respectively provided in the two second caps.

8. The combustion device capable of improving combustion efficiency according to claim 5, characterized in that: The stove basin includes two first basin bodies and two second basin bodies. The two first basin bodies and the two second basin bodies are arranged alternately and are respectively fan-shaped and can be arranged and combined to form a disc shape. The two first basin bodies are of the same replaceable structure, and the two second basin bodies are of the same replaceable structure. The several shielding parts are evenly distributed on the outer peripheries of the two first basin bodies and the two second basin bodies along the horizontal direction. The two first through holes are respectively arranged one-to-one on the two first basin bodies, and the two second through holes are respectively arranged one-to-one on the two second basin bodies.

9. The combustion device capable of improving combustion efficiency according to claim 8, characterized in that: The two first basins are respectively connected to a first bracket along the vertical lower edge, and the two second basins are respectively connected to a second bracket along the vertical lower edge. The two first brackets and the two second brackets are respectively connected to the furnace shell.

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