KR100845509B1 - Burner of high thermal power - Google Patents

Abstract

A burner having a high thermal power is provided to uniformly mix a fuel gas supplied from a gas supplying part with air supplied from an air supplying part in a mixing pipe, so that the fuel gas is completely combusted. A burner having a high thermal power includes an air supplying part(10), a gas supplying part(30) provided on the air supplying part, a mixture tube(50) provided on the gas supplying part, an injection cap(90) provided on the mixture tube to inject a mixture gas, a diffusion plate(100) provided on the diffusion plate, and an induction ring(130). The induction ring retains a portion of the injection cap. The air supply part forcedly supplies air to the mixture tube. The air supply part is connected to a ventilation fan through a connection pipe(11).

Description

BURNER OF HIGH THERMAL POWER}

The present invention comprises an air supply unit formed with an air outlet in the upper center; Gas injection nozzles for injecting fuel gas at regular intervals are formed on the upper surface, an air passage is formed in the center, and the air ejected from the air outlet of the air supply unit is not mixed with fuel gas through the air passage. A gas supply unit coupled to an upper side of the air supply unit so as to be ejected upwardly; A mixing tube coupled to an upper portion of the gas supply part to mix fuel gas injected from the gas injection nozzle of the gas supply part and air ejected from the air passage; An inclined portion formed to be inclined downward in the rim, a plurality of injection holes formed to inject a mixed gas mixed with fuel gas and air by the mixing pipe into the inclined portion, a through hole formed in the center, and a downward through the through hole An injection cap having an extension formed therein and having a plurality of inflow holes formed at a lower surface thereof, and having a protrusion through which some mixed gas is introduced; A diffusion plate positioned to be spaced apart from the upper side of the injection cap by a predetermined distance, and flowing into the inflow hole of the injection cap to laterally diffuse some mixed gas injected into the through hole; And an induction ring formed to receive at least a portion of the inclined portion of the injection cap to induce a direction of the mixed gas injected from the plurality of injection holes formed in the inclined portion to the inside. In particular, it relates to a high-burning burner that can minimize the heat loss during heating of the cooking vessel to maximize the combustion efficiency as well as to expect complete combustion of the fuel gas.

In general, a gas burner is used as a fuel, and gas such as LNG and LPG is used as a fuel, and is used in various forms according to the intended use, among which a small gas burner is used in a general household. The portable gas burner which is to be carried in the open air is mainly used. In the kitchen of a restaurant such as a restaurant, a large cooking gas burner is used because a rapid cooking or a large amount of cooking is required.

Such high-burning gas burners generally include a burner head having a plurality of injection nozzles formed on an upper end of the annular body in order to concentrate strong thermal power, and a combustion cylinder formed with a plurality of vent holes to cover the burner head and supply air from the outside. Is done.

In the case of the high-burning gas burner as described above, it is difficult to minimize heat loss during heating of the cooking vessel, and thus, there is a problem in that the combustion efficiency cannot be maximized and the combustion of fuel gas cannot be expected.

The present invention was created to solve the above problems, to minimize the heat loss during heating of the cooking vessel to maximize the combustion efficiency as well as to provide a high-burning burner that can expect the complete combustion of fuel gas. For that purpose.

The present invention for achieving the above object, largely provides a high thermal power burner comprising an air supply, a gas supply, a mixing tube, a spray cap, a diffusion plate and an induction ring.

Specifically, the high-burning burner of the present invention, the air supply port formed with an air outlet in the upper center;

Gas injection nozzles for injecting fuel gas at regular intervals are formed on the upper surface, an air passage is formed in the center, and the air ejected from the air outlet of the air supply unit is not mixed with fuel gas through the air passage. A gas supply unit coupled to an upper side of the air supply unit so as to be ejected upwardly;

A mixing tube coupled to an upper portion of the gas supply part to mix fuel gas injected from the gas injection nozzle of the gas supply part and air ejected from the air passage;

An inclined portion formed to be inclined downward in the rim, a plurality of injection holes formed so as to inject a mixed gas mixed with fuel gas and air by the mixing pipe into the inclined portion, a through hole formed in the center, and a downward through the through hole An injection cap having a protrusion formed to extend and having a plurality of inflow holes formed at a lower surface thereof, such that a portion of the mixed gas is introduced;

A diffusion plate positioned to be spaced apart from the upper side of the injection cap by a predetermined distance, and flowing into the inflow hole of the injection cap to laterally diffuse some mixed gas injected into the through hole;

It is formed to accommodate at least a portion of the inclined portion of the injection cap induction ring to guide the direction of the mixed gas injected from the plurality of injection holes formed in the inclined portion inward.

In particular, it is preferable that an air diffusion cap having an upper surface formed in the air passage of the gas supply part and having a plurality of air injection holes formed on the outer circumferential surface thereof.

In addition, the inner diameter of the mixing tube is formed to become smaller gradually from the lower side to the upper side, and the inner diameter of the induction ring is preferably formed to become smaller and smaller from the lower side to the upper side.

The high thermal power burner of the present invention is capable of uniformly mixing the fuel gas supplied from the gas supply unit and the air supplied from the air supply unit in the mixing tube to completely burn fuel gas as well as mixing by the mixing tube. As the mixed gas is guided to the inside by the injection cap and the induction ring, there is an effect of maximizing combustion efficiency by minimizing heat loss during heating of the cooking vessel.

In addition, as the air diffusion cap is further provided in the air passage of the gas supply unit, the air supplied from the air supply unit in the mixing pipe can be effectively mixed with the gas supplied from the gas supply unit, so that the combustion of fuel gas can be expected. It can be effective.

In addition, by forming the inner diameter of the mixing tube to become smaller from the lower side to the upper side, it is possible to effectively mix the air and fuel gas, there is an effect that can expect the complete combustion of the fuel gas.

In addition, by forming the inner diameter of the induction ring to gradually decrease from the lower side to the upper side, it is possible to guide the mixed gas injected from the injection hole of the injection cap to the inside to minimize the heat loss during heating of the cooking vessel to improve the combustion efficiency There is an effect that can be maximized.

Hereinafter, an embodiment of a high thermal power burner of the present invention will be described with reference to the drawings. Of course, the scope of the present invention is not limited to the following examples, and various modifications can be made by those skilled in the art without departing from the technical gist of the present invention.

1 is a perspective view schematically showing a high thermal power burner which is an embodiment of the present invention, Figure 2 is a longitudinal cross-sectional view schematically showing a longitudinal cross-sectional state according to the AA line of Figure 1, Figure 3 shows a separated state of the high thermal power burner Separate perspective view.

First, the high thermal power burner, which is an embodiment of the present invention, has a large air supply unit 10, a gas supply unit 30 provided on the air supply unit 10, and the gas supply unit 30 as shown in FIGS. 1 to 3. Mixing pipe 50 provided on the), the injection cap 90 provided on the mixing pipe 50 to inject the mixed gas, the diffusion plate 100 provided on the injection cap 90 and It comprises a guide ring 130 formed to receive a portion of the inclined portion 91 of the injection cap 90.

Here, the air supply unit 10 is for forcibly supplying air into the mixing pipe 50, and is connected by a blower fan or the like and a connection pipe 11.

In addition, the air supply unit 10 is connected to the connecting pipe 11 on the outer circumferential surface as shown in Figs. 2 and 3, the air outlet 13 is formed in the upper center.

In particular, in order to easily couple the air supply unit 10 and the gas supply unit 30, the air ejection port 13 protrudes upward from the upper center of the air supply unit 10, and the external threaded portion 13a is formed on the outer circumferential surface thereof. Is preferably formed.

In addition, the gas supply unit 30 is for supplying fuel gas into the mixing pipe 50, and a gas supply pipe 31 is connected to an outer circumferential surface thereof and is provided on the air supply unit 10.

As shown in FIGS. 2 and 3, the gas supply part 30 has an air passage 33 penetrating up and down in the center thereof, and an inner thread portion formed on an outer circumferential surface of the air ejection port 13 on an inner circumferential surface of the air passage 33. A female screw portion 33a is screwed with 13a).

In addition, a gas injection nozzle 37 for injecting fuel gas supplied to the gas chamber 35 of the gas supply part 30 is formed at regular intervals on an upper surface of the gas supply part 30, and the mixing pipe is formed at an edge of the gas supply part 30. A stepped portion 39 to which the 50 is fitted is formed.

The gas supply unit 30 is the air supply unit so that the air ejected from the air outlet 13 of the air supply unit 10 is ejected upward through the air passage 33 in a state that is not mixed with the fuel gas ( 10) is coupled to the upper side.

4 is a longitudinal cross-sectional view schematically showing the state of the mixing tube 50 according to the present invention, Figure 5 is a state in which the air diffusion cap 70 according to the present invention is formed in the air passage 33 of the gas supply unit 30 6 is a longitudinal cross-sectional view schematically showing a longitudinal cross-sectional state along the line BB of Figure 5, Figure 7 is a longitudinal cross-sectional view schematically showing a state of the injection cap 90 according to the present invention, 8 is a longitudinal sectional view schematically showing a state of the diffusion plate 100 according to the present invention. FIG. 9 is a longitudinal sectional view schematically showing a state of the induction ring 130 according to the present invention.

In addition, the mixing pipe 50 is for mixing the air and fuel gas supplied from the air supply unit 10 and the gas supply unit 30, the upper surface as shown in Figure 4 the injection cap 90 ) Is formed an annular groove 53 is fixed.

Here, the mixing pipe 50 is coupled to the upper portion of the gas supply unit 30 as shown in Figures 2 and 3 and the fuel gas injected from the gas injection nozzle 37 of the gas supply unit 30 and the air reservoir The air blown out of the furnace 33 is mixed.

Here, it is preferable that the inner diameter of the mixing tube 50 is formed to become smaller as it goes from the lower side to the upper side as shown in FIG. 4, which is fuel injected through the gas injection nozzle 37 of the gas supply unit 30. When the gas and the air ejected through the air passage 33 of the gas supply unit 30 along the air outlet 13 of the air supply unit 10 rises along the inner circumferential surface of the mixing pipe 50, the mixing is smooth. To make it possible.

As such, the inner diameter of the mixing tube 50 is formed to become smaller from the lower side to the upper side, whereby the air and the fuel gas can be effectively mixed, so that the combustion of the fuel gas can be expected.

In addition, it is preferable that an air diffusion cap 70 is provided in the air passage 33 of the gas supply unit 30 so as to effectively mix the fuel gas and the air.

As shown in FIGS. 3, 5, and 6, the air diffusion cap 70 has a convex upper surface, and a plurality of air injection holes 75a are formed on an outer circumferential surface thereof.

More specifically, the air diffusion cap 70 includes a first coupling pipe (73) screwed to the air passage (33) of the gas supply unit 30; The first upper plate 75 is formed on the upper side of the first coupling tube 73, the upper surface is convex and at the same time a plurality of air injection holes (75a) are formed on the outer peripheral surface.

Here, as shown in FIG. 3, the air cylinder has an outer circumferential surface of the first coupling tube 73 so that the first coupling tube 73 can be easily screwed into the air passage 33 of the gas supply unit 30. It is preferable that a male screw portion 73a screwed with the female screw portion 33a formed on the inner circumferential surface of the furnace 33 is formed.

Due to the first upper plate 75 of the air diffusion cap 70, the air supplied from the air supply unit 10 into the mixing pipe 50 may be more diffused to be supplied into the mixing pipe 50. This allows fuel gas and air to be effectively mixed (see FIG. 10).

As described above, as the air diffusion cap 70 is further provided in the air passage 33 of the gas supply unit 30, the air supplied from the air supply unit 10 in the mixing pipe 50 may be It can be effectively mixed with the gas supplied from the gas supply unit 30 has the advantage that can expect the complete combustion of the fuel gas.

Next, the injection cap 90 is to guide the mixed gas mixed by the mixing tube 50 to the inside, the lower portion of the annular groove 53 is formed on the upper surface of the mixing tube 50 It is fixed in).

More specifically, the injection cap 90 has an inclined portion 91 formed to be inclined downward on the rim as shown in FIG. 7, and fuel gas and air by the mixing pipe 50 at the inclined portion 91. A plurality of injection holes (93) formed so as to inject the mixed gas is mixed, the through hole (95) formed in the center, and formed downwardly extending in the through hole (95) and a plurality of inlet holes (97a) in the lower surface ) Is formed to form a protrusion 97 into which some mixed gas flows.

Here, an internal threaded portion of the injection cap 90 is screwed with a male threaded portion 110a formed on an outer circumferential surface of the second coupling pipe 110 of the diffusion plate 100 to be described later. 95a) is formed.

In addition, since the protrusion 97 extends downward, the mixed gas in which fuel gas and air are mixed by the mixing tube 50 may be uniformly dispersed in the injection hole 93.

On the other hand, as the mixed gas mixed by the mixing tube 50 is guided to the inside by the injection cap 90 there is an advantage that can maximize the combustion efficiency by minimizing the heat loss during heating of the cooking vessel.

Next, the diffusion plate 100 diffuses some of the mixed gas injected into the through-holes 95 of the injection cap 90 in the lateral direction, and is specifically fixed to the upper side of the injection cap 90. Located in a spaced apart state, the mixed gas injected into the inlet hole (97a) of the injection cap 90 is injected into the through hole (95) laterally diffused (see Fig. 10).

Here, the diffusion plate 100 is shown in Figure 8 and the second coupling pipe 110 is screwed into the through hole 95 of the injection cap 90; It is formed on the upper side of the second coupling pipe 110, the upper surface is formed to be convex second upper plate 113; consists of.

As the diffusion plate 100 is introduced into the inlet hole 97a of the injection cap 90 and diffuses some mixed gas injected into the through hole 95 in the lateral direction, a flame for heating the cooking container is inside. It can be gathered widely.

Next, the induction ring 130 is to induce the mixed gas mixed by the mixing pipe 50 in the same way as the injection cap 90, at least the inclined portion of the injection cap (90) ( 91) is formed to accommodate a portion to guide the direction of the mixed gas injected from the plurality of injection holes 93 formed in the inclined portion 91 to the inside (see Fig. 10).

Here, the inner diameter of the induction ring 130 is preferably formed to become smaller from the lower side to the upper side as shown in Figure 9, which is a mixed gas injected from the injection hole 93 of the injection cap 90 This is to guide the inside more smoothly.

As such, the inner diameter of the induction ring 130 is formed to become smaller from the lower side to the upper side, so that the mixed gas injected from the injection hole 93 of the injection cap 90 can be guided inward, thereby heating the cooking vessel. This minimizes heat loss and provides the benefit of maximizing combustion efficiency.

10 is a longitudinal sectional view schematically showing the flow of air supplied from the air supply unit 10 and a gas supplied from the gas supply unit 30.

The high thermal power burner of the present invention has a fuel gas (solid line in FIG. 10) supplied from the gas supply unit 30 and air supplied from the air supply unit 10 as shown in 1 to 3 of FIG. 10 (dotted line in FIG. 10). ) Can be uniformly mixed in the mixing tube 50, it is possible to completely burn the fuel gas.

And, as shown in ④ of FIG. 10, as the mixed gas mixed by the mixing tube 50 is guided inward by the injection cap 90 and the induction ring 130, heat loss during heating of the cooking vessel. By minimizing the combustion efficiency can be maximized.

In addition, as shown in ⑤ of FIG. 10, as the air diffusion cap 70 is further provided in the air passage 33 of the gas supply unit 30, air supplied into the mixing pipe 50 is more diffused. It can be supplied into the mixing tube 50, which allows the fuel gas and air can be effectively mixed to expect the complete combustion of the fuel gas.

In addition, as shown in FIG. 10, since the inner diameter of the mixing pipe 50 decreases gradually from the lower side to the upper side, air and fuel gas can be effectively mixed, and thus complete combustion of the fuel gas can be expected.

In addition, the high thermal power burner of the present invention can be easily used by anyone because of its simple structure and greatly reduced manufacturing cost.

1 is a perspective view schematically showing a high thermal power burner which is an embodiment of the present invention,

2 is a longitudinal cross-sectional view schematically showing a longitudinal cross-sectional state along the line A-A of FIG.

Figure 3 is an exploded perspective view showing the separation state of the high thermal power burner,

4 is a longitudinal sectional view schematically showing a state of a mixing tube according to the present invention;

5 is a perspective view schematically showing a state in which an air diffusion cap according to the present invention is formed in an air passage of a gas supply unit;

6 is a longitudinal cross-sectional view schematically showing a longitudinal cross-sectional state along the line B-B of FIG.

Figure 7 is a longitudinal sectional view schematically showing a state of the injection cap according to the present invention,

8 is a longitudinal sectional view schematically showing a state of the diffusion plate according to the present invention.

9 is a longitudinal sectional view schematically showing a state of an induction ring according to the present invention;

10 is a longitudinal sectional view schematically showing a flow of air supplied from an air supply unit and a gas supplied from a gas supply unit.

*** Explanation of symbols for main parts of drawing ***

10; Air supply section 11; Connector,

13; Air outlets, 13a, 73a, 110a; Male Thread,

30; A gas supply part 31; Gas Supply Pipe,

33; Air passages, 33a, 95a; Female Thread,

35; Gas chamber 37; Gas Spray Nozzle,

39; 50 steps; Mixing tube,

53; Annular groove, 70; Air Diffusion Cap,

73; First coupling tube, 75; First upper plate,

75a; Air sprayer, 90; Injection Cap,

91; Ramps, 93; Blower,

95; Through hole, 97; projection part,

97a; Inlet hole, 100; Diffusion Plate,

110; Second coupling tube, 113; Second upper plate,

130; Induction ring.

Claims (4)

An air supply unit having an air outlet at an upper center thereof; Gas injection nozzles for injecting fuel gas at regular intervals are formed on the upper surface, an air passage is formed in the center, and the air ejected from the air outlet of the air supply unit is not mixed with fuel gas through the air passage. A gas supply unit coupled to an upper side of the air supply unit so as to be ejected upwardly; A mixing tube coupled to an upper portion of the gas supply part to mix fuel gas injected from the gas injection nozzle of the gas supply part and air ejected from the air passage; An inclined portion formed to be inclined downward in the rim, a plurality of injection holes formed to inject a mixed gas mixed with fuel gas and air by the mixing pipe into the inclined portion, a through hole formed in the center, and a downward through the through hole An injection cap having an extension formed therein and having a plurality of inflow holes formed at a lower surface thereof, and having a protrusion through which some mixed gas is introduced; A diffusion plate positioned to be spaced apart from the upper side of the injection cap by a predetermined distance, and flowing into the inflow hole of the injection cap to laterally diffuse some mixed gas injected into the through hole; And an induction ring formed to receive at least a portion of the inclined portion of the injection cap to guide inward the direction of the mixed gas injected from the plurality of injection holes formed in the inclined portion. 2. The high thermal power burner according to claim 1, wherein an air diffusion cap is formed in the air passage of the gas supply part, the upper surface of which is convex, and a plurality of air injection holes are formed on the outer circumferential surface. The burner of claim 1, wherein the inner diameter of the mixing tube is formed to be smaller from the lower side to the upper side. The high thermal power burner according to claim 1, wherein the inner diameter of the induction ring is formed to become smaller from the lower side to the upper side.

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