KR20060115226A - Gas burner - Google Patents

Abstract

A gas burner is provided to prevent the second mixture gas outburst flame hole from being stopped by installing the inner and outer burner upper covers at the upper part of the inner and outer burner bodies. A gas burner is composed of an inner burner unit(10) having an inner burner body(11) formed with a first gas space(11a) containing a first mixture gas outburst flame hole(11a-1) where the gas is discharged by dividing the inner side by a partition(11c) along the circumferential direction and a second air tank(11b) containing a second air injection hole(11b-1) where the air is injected, a first air tank(12) formed with first plural air injection holes(12a) at the upper surface to discharge the air blown from a blowing fan(30) in the center of the inner burner body to the upper side, and an inner burner upper cover(13) mounted at the upper side of the inner burner body and formed with a first flame outburst unit(13a) at the center, wherein the flame combusted through the first flame outburst unit is exhausted; an outer burner unit(20) comprising an outer burner body(21) formed with a second mixture gas outburst flame hole(21a-1) to supply the gas to a second gas space(21a) formed inside and to exhaust the gas to the upper surface, and an outer burner upper cover(22) mounted at the upper surface of he outer burner body and formed with a second flame outburst unit(22a) at the center, wherein the flame combusted through the second flame outburst unit is exhausted; the blowing fan for blowing the air by a driving motor(32); and a gas pipe supplying the gas to the first and second gas spaces.

Description

Gas Burner {GAS BURNER}

1 is a view showing an embodiment of a gas burner according to the prior art.

2 is a cross-sectional view showing an embodiment of a gas burner according to the present invention.

3 is an exploded perspective view of main parts of the gas burner according to the present invention;

4 is a plan view of a gas burner according to the present invention.

5 is a view illustrating a state in which a plurality of gas burners according to the present invention are installed.

(Explanation of symbols for the main parts of the drawing)

10: inner burner part 11: inner burner body

11a: first gas space portion 11a-1: first mixed gas ejection hole

11b: 2nd air tank 11b-1: 2nd air blower

11c: bulkhead 12: first air tank

12a: 1st air blow-out hole 13: inner burner upper cover

13a: first flame ejection portion 14: through portion

20: outer burner part 21: outer burner body

21a: second gas space portion 21b: second mixed gas jet hole

22: outer burner top cover 22a: second flame ejection

30: blower fan 31: euro tube

32: drive motor 33: connector

34: branch pipe 40: gas pipe

41: air regulator 42: gas inlet pipe

50: protrusion 51: gap

The present invention relates to a gas burner, and more particularly, to improve the combustion ability by forming a gas burner in two rows of the inner burner portion and the outer burner portion by improving the patent application No. 2003-0077643, which was previously filed by the present applicant. It relates to a gas burner to be quantitatively enlarged.

In general, gas burners require instantaneous strong thermal power, and low-pressure burners using liquefied petroleum gas (LPG) with high gas pressure and calories are used. Recently, low-pressure liquefied natural gas (LNG) is used. Gas burners of various shapes and structures have been developed and used to obtain a high-temperature flame using a lamp.

An example of such a gas burner can be found in Patent Application No. 2003-0077643? Gas Burner, which is filed by the applicant.

1 is a view showing a gas burner according to a conventional embodiment.

As shown in the figure, the burner body 1 which is formed in a ring shape and has a plurality of mixed gas ejection holes 1a formed along the circumferential surface on the inner circumferential surface thereof, and one end thereof communicates with one side of the burner body 1, the other end thereof. In the air control port (2a) is formed to control the flow rate of air, the gas supplied from the gas inlet pipe (2b) in the center of the air control port (2a) to the mixing pipe (2) to be mixed with the air In the gas burner comprising: a first air tank (3) formed below and in the center of the burner body (1) and having a plurality of air injection holes (3a) formed thereon to blow air blown from the blowing fan (4) upwards; ), A blowing fan 4 connected to the first air tank 3 by a flow path tube 4a, and blowing air by the driving motor 4b, and seated on an upper side of the burner body 1; The flame ejection part 5a is formed in the center, and the flame is ejected through the flame ejection part 5a. Intended to include the loss of the upper cover (5).

In the conventional gas burner configured as described above, when the city gas pipe is connected to the gas inlet pipe 2b and the gas valve is opened, gas is introduced into the mixing pipe 2, and the end of the mixing pipe 2 is closed. Flame is generated while being mixed with the air introduced through the air control opening (2a) formed in the primary combustion space (F) through the mixed gas blowing hole (1a) formed on the upper surface of the burner body (1).

Then, the air generated in the blowing fan (4) is injected into the air injection hole (3a) formed on the upper surface of the first air tank (3) through the flow path tube (4a) and the mixture is ejected from the mixed gas blowing hole (1a) The gas starts to burn in the primary combustion space (F) to rise and undergo mixing and diffusion to burn the unburned mixed gas in the secondary combustion space (S).

At this time, the air injection hole (3a) of the uppermost surface is made vertically, is formed to be inclined outward on the step surface to allow the flame to spread to the outside of the cooking vessel (6).

In addition, the soup overflowed from cooking utensils or the like by the primary combustion chamber upper cover 5 seated on the upper surface of the burner body 1 flows along the outer surface of the primary combustion chamber upper cover 5 or the primary By minimizing the inner diameter of the flame ejection portion 5a of the combustion chamber upper cover 5, the fire is not extinguished by avoiding access to the mixed gas ejection hole 1a of the burner body 1.

The conventional gas burner as described above blocks the broth overflowing from the cooking vessel 6 with the upper combustion chamber upper cover 5 to prevent the mixed gas ejection hole 1a from being blocked or extinguish the fire. It has the advantage of maintaining strong fire power by supplying air to the blower fan to the sulfur salt.

However, the conventional gas burner is composed of one row, there is a limit in the combustion capacity, there is a problem that the thermal power is not increased quantitatively.

The present invention has been made to solve such a conventional problem, the object of which is to improve the combustion capacity by forming a gas burner in two rows of the inner burner and the outer burner by improving the patent application No. 2003-0077643, which was filed by the present applicant And a gas burner for quantitatively expanding the thermal power.

The present invention for achieving the above object is made in a ring shape, the first gas space portion formed with a first mixed gas jet flame hole in which the gas is ejected by partitioning the interior into partitions along the circumferential direction and the second air is injected air An inner burner body formed of a second air tank having blow holes formed therein, and a first air tank having a plurality of first air blow holes formed on an upper surface of the blower fan to blow up the air blown from the blower fan in the center of the inner burner body. An inner burner part seated on an upper side of the burner body and having a first flame ejection part formed at the center thereof, and having an inner burner upper cover through which the flame burned through the first flame ejection part is ejected, and a ring shape at an outer side of the inner burner body. Outside burrs spaced apart from each other, and having a second mixed gas ejection salt hole formed so that gas is supplied to the second gas space formed therein and ejected to an upper surface thereof. An outer burner part seated on an upper surface of the outer body and the outer burner body and having a second flame ejection part at a center thereof, the outer burner part including an outer burner upper cover which ejects the flame burned through the second flame ejection part, and the first air; It is connected to the tank by a flow pipe, and includes a blowing fan for blowing air by the drive motor, and a gas pipe for supplying gas to the first gas space portion and the second gas space, respectively.

In addition, at least three protrusions are formed on the upper surface of the inner burner body and the outer burner body in the circumferential direction, respectively, and the natural air is formed between the inner and outer burner upper covers seated on the upper surface of the protrusion. To be supplied.

In addition, a plurality of stepped surfaces are formed on the upper surface of the first air tank.

In addition, a plurality of first air blowing holes are formed to be inclined outward on the stepped surface of the first air tank.

In addition, the flow path tube is made of a flexible tube.

In addition, the first and second mixed gas ejection salt holes and the second air ejection holes are perforated obliquely at the corners on the stepped surface.

In addition, the gas pipe is formed at the front end of the air regulator for controlling the inflow of air, the gas supplied from the gas inlet pipe in the center of the air regulator is to mix with natural air.

In addition, the gas pipe is connected to the branch pipe branched from the flow path pipe so that forced air and gas generated in the blower is forcibly mixed and supplied.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 to 4 is a view showing an embodiment of a gas burner according to the present invention.

As illustrated, the gas burner 100 includes an inner burner portion 10, an outer burner portion 20, a blowing fan 30, and a gas pipe 40.

The inner burner part 10 is formed in a ring shape, and partitions the inside into a partition wall 11c along a circumferential direction, and includes a first gas space part having a first mixed gas ejection salt hole 11a-1 through which gas is ejected. The inner burner body 11 which consists of 11a) and the 2nd air tank 11b in which the 2nd air blowing hole 11b-1 which injects air is formed, and the blower fan 30 inside the center of the said inner burner body 11; A plurality of first air ejection holes 12a are seated on the upper side of the first air tank 12 and the inner burner body 11 formed on the upper surface to eject the air blown from the upper side, and the first flame in the center. An injection burner 13a is formed, and the inner burner upper cover 13 to which the flame burned through the first flame blower 13a is ejected.

In addition, a plurality of stepped surfaces are formed on the upper surface of the first air tank 12, so that the cross-sectional area is enlarged to facilitate endotherm, and to eject the heated air to promote combustion, the pressure is increased and the noise is reduced Is generated.

In addition, a penetrating portion 14 is formed between the inner burner body 11 and the first air tank 12 so that secondary natural air flows from below.

On the other hand, as a concept for explaining the present invention, the secondary natural air is to distinguish from the natural air (hereinafter referred to as primary natural air) that is introduced into the gas pipe to be described later and mixed with the gas, and in the blower fan 30 The air supplied is named and described as forced air.

In addition, it is preferable that the first air blowing holes 12a are formed to be inclined outward on the stepped surface of the first air tank 12, and the air blowing holes may be vertically formed on the top surface.

As described above, the first air ejection hole 12a is formed to the outside, and the air supplied from the blowing fan 30 is diffused to the lower portion of the center of the cooking vessel so that the inside of the first mixed gas ejection salt hole 11a-1 is provided. It is to blow upward in order to completely burn the flame which is primary combustion in primary combustion space part IF. (The space which is discharged from the 1st mixed gas jet flame hole and combusts and burns is inside inner primary combustion space part IF). Expressed as a virtual line on the drawing)

In addition, the upper side of the first flame ejection portion 13a of the inner burner upper cover 13 is represented by the second combustion space S, and will be described with reference to the virtual line in the drawing.

The outer burner portion 20 is spaced apart at a predetermined interval in a ring shape on the outer side of the inner burner body 11, and the second mixed gas is supplied to the second gas space portion 21a formed therein to be ejected to the upper surface. An outer burner body 21 having an ejecting flame hole 21b and a top surface of the outer burner body 21 are seated, and a second flame ejecting portion 22a is formed at the center thereof to form the second flame ejecting portion 22a. The outer burner is composed of an outer burner top cover 22 through which the flame burned out is blown out.

In addition, at least three or more protrusions 50, more preferably four protrusions 50, are formed on the upper surfaces of the inner burner body 11 and the outer burner body 21 in the circumferential direction, respectively, and the protrusions 50 The first and second mixed gas jet flame holes 11a-1 by supplying secondary natural air by the gap 51 formed between the inner and outer burner upper covers 13 and 22 seated on the upper surface of Combustion of (21a-1) can be made smoother.

That is, the first air tank 12 and the inner side in flames ejected from the first and second mixed gas jet flame holes 11a-1 and 21a-1 of the inner burner body 11 and the outer burner body 21. As air ejected from the second air ejection hole 11b-1 of the burner body 11 is mixed, air insufficient during combustion is supplied through the gap 51 to promote combustion.

In addition, a space in which the second mixed gas jet flame hole 21a-1 of the outer burner body 21 and the air blown out of the second air jet hole 11b-1 of the inner burner body 11 are mixed and combusted. Is denoted by the outer primary combustion space portion OF and is shown as an imaginary line in the drawing.

In addition, it is preferable that a penetrated space 24 is secured between the inner burner part 10 and the outer burner part 20 so that secondary natural air flows in.

 In addition, the first and second mixed gas ejection salt holes 11a-1 and 21a-1 and the second air ejection holes 11b-1 may be inclined to be perforated at corner portions on the stepped surface to facilitate processing. Can be.

The blowing fan 30 is connected to the first air tank 12 by a flow path tube 31, and blows air by the driving motor 32.

The flow path pipe 31 is formed as a flexible pipe when only a single burner is installed, and when a plurality of burners are installed, it is installed as a steel pipe to improve workability.

In addition, the forced air generated in the blower 30 is supplied to the second air tank (11b) through the connecting pipe 33 branched from the first air tank 12 and the flow path pipe (31).

The gas pipe 40 has an air regulator 41 for controlling the inflow of air at the front end, so that the gas supplied from the gas inlet tube 42 in the center of the air regulator 41 is mixed with air It is.

5 is a view showing another embodiment of the gas pipe of the gas burner according to the present invention.

As shown, the gas pipe 40 is connected to the branch pipe 34 branched from the flow path pipe 31 so that forced air generated in the blower 30 is forcedly mixed with the gas via the non-return valve 43. To be supplied.

That is, as in an embodiment, the gas may be mixed with the first natural air to supply the mixed gas, and the forced air and gas generated by the blower 30 may be forcibly mixed to form the first and second gas spaces 11a. By supplying to (21a), a mixed gas having a high pressure can be blown into the first and second mixed gas jet salt holes to start combustion, thereby obtaining more powerful thermal power.

In addition, reference numeral 60 denotes a cooking container.

Referring to the operation according to the invention in detail as follows.

When the city gas pipe is connected to the gas pipe 40 and the gas valve is opened, gas is introduced into the gas inlet pipe 42, and the air regulator 41 formed at the end of the gas inlet pipe 42 is opened. It is mixed with the primary natural air introduced through the first gas space 11a and the second gas space 21a of the inner and outer burners 10 and 20.

In addition, as another embodiment of the gas pipe 40, the forced air and gas generated in the blower 30 is connected to the branch pipe 34 branched from the flow path pipe 31 to the gas pipe 40, the first gas space It may be supplied to the portion (11a) and the second gas space portion (21a).

The mixed gas flowed into the inner and outer burner bodies 11 and 21 may include first and second mixed gas blowout holes 11a-1 formed on the upper surfaces of the inner burner bodies 11 and the outer burner bodies 21, respectively. Flame is generated by blowing into inner and outer primary combustion spaces OP and IP through 21a-1, and a through part formed below the inner burner part 10 and the outer burner part 20 The secondary natural air is supplied through 14) and the secondary natural air is also supplied by respective gaps 51 formed on the outer circumferential surfaces of the inner burner upper cover 13 and the outer burner upper cover 22 to promote combustion. do.

And, the air generated in the blowing fan 30 of the inner burner body 1 connected to the first air tank 12 and the first air tank 12 by the connecting pipe 33 through the flow path tube 31. The forced air is blown through the first and second air injection holes 12a and 11b-1 which are supplied to the second air tank 11b and formed in the first air tank 12 and the second air tank 11b. The flames ejected through the inner and outer first and second mixed gas ejection flame holes 11a-1 and 21a-1 are respectively reburned.

At this time, the combusted inner flame combusts the unburned mixed gas in the secondary combustion space S while undergoing mixing and diffusion while starting combustion in the inner primary combustion space IP and rising upward.

At this time, the flame is diffused to the outside of the cooking vessel 70 by the first air injection hole 12a which is inclined outward on the step surface of the first air tank 12.

In addition, the outer burner 20 may not be extinguished by preventing the broth spilled from the cooking utensil 60 by the outer burner upper cover 22 from approaching the second mixed gas jet flame hole 21a-1. do.

The gas burner of the present invention as described in detail above is formed in two rows of the inner burner and the outer burner to improve the combustion capacity and have an effect of quantitatively expanding the thermal power.

In addition, by installing an inner and outer burner upper cover on the upper part of the inner and outer burner body, it is possible to prevent the extinguishing of fire and to prevent clogging of the second mixed gas jet flame hole by the soup overflowing from the cooking container or the like. have.

In addition, the gas pipe of the present invention by mixing the primary natural air introduced through the air regulator and the gas supplied from the gas inlet pipe to eject the flame through the gas mixture hole formed in the inner and outer burner body, respectively, the flame To supply secondary natural air from the lower side and the side side, and to discharge the forced air generated in the blowing fan to the air injection hole of the first air tank and the second air tank to the flame in the inner and outer primary combustion space It has a burning effect.

In addition, the gas combusted in the inner primary combustion space portion is diffused and burned through the secondary combustion space portion, and the flame combusted in the outer primary combustion space portion is ejected through the flame ejection portion along the lower side of the outer cover so that complete combustion of the gas is achieved. In addition to being able to maintain strong firepower.

In addition, by forcing the forced air supplied from the blower to the gas pipe of the present invention by forcibly mixing with the gas to the branch pipe to be discharged to the mixed gas blowing hole of the inner and outer burner, it is possible to provide a high pressure gas of high pressure.

Claims (8)

A first gas space part 11a formed of a ring shape and having a first mixed gas ejection flame hole 11a-1 through which the gas is ejected by dividing the interior into partitions 11c along the circumferential direction, and the air being injected; The inner burner body 11 which consists of the 2nd air tank 11b in which the 2 air blowing holes 11b-1 were formed, and the air blown from the blower fan 30 in the center inside of the said inner burner body 11 to the upper side upwards. A plurality of first air ejecting holes 12a are seated on the upper side of the first air tank 12 and the inner burner body 11 formed on the upper surface thereof, and a first flame ejecting portion 13a is formed at the center thereof. An inner burner part 10 including an inner burner upper cover 13 through which the flame combusted through the first flame ejecting part 13a is ejected; The second mixed gas ejection flame hole 21a-1 is spaced apart at a predetermined interval in a ring shape on the outer side of the inner burner body 11, and the gas is supplied to the second gas space portion 21a formed therein to be ejected to the upper surface. The flame burned through the second flame ejection part 22a is ejected by being seated on the formed outer burner body 21 and the upper surface of the outer burner body 21 and having a second flame ejection part 22a formed at the center thereof. An outer burner unit 20 formed of an outer burner upper cover 22; A blowing fan 30 connected to the first air tank 12 by a flow path tube 31 and blowing air by the driving motor 32; And a gas pipe (40) for supplying gas to the first gas space part (11a) and the second gas space part (21a), respectively. According to claim 1, At least three or more protrusions 50 are formed in the circumferential direction on the upper surface of the inner burner body 11 and the outer burner body 21, respectively, and the seated on the upper surface of the protrusion 50 Gas burner, characterized in that the natural air is supplied by the gap (51) formed between the inner and outer burner upper cover (13) (22). The gas burner according to claim 1, wherein a plurality of stepped surfaces are formed on an upper surface of the first air tank (12). 4. The gas burner according to claim 3, wherein a plurality of first air blowing holes (12a) are formed to be inclined outward on the stepped surface of the first air tank (12). The gas burner according to claim 1, wherein the flow path tube is made of a flexible tube. The method of claim 1, wherein the first and second mixed gas ejection salt holes (11a-1) (21a-1) and the second air ejection holes (11b-1) is characterized in that the perforated obliquely in the corner portion on the step surface Gas burner. According to claim 1, wherein the gas pipe 40 is formed at the front end of the air regulator 41 for controlling the inflow of air, the gas supplied from the gas inlet pipe 42 in the center of the air regulator 41 Gas burner characterized in that the intermixing with the natural air. The gas pipe 40 is connected to the branch pipe 33 branched from the flow path pipe 31 so that forced air and gas generated in the blower 30 are forcedly mixed and supplied. Gas burner.

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