KR102588206B1 - Gas burner with non-powered variable damper - Google Patents

Abstract

The present invention relates to a gas burner equipped with a non-power variable damper, and includes a burner device having a blowing fan formed with an inlet and an outlet, and forming an inlet hole communicated with the outlet directly below the outlet to receive the mixed gas and burn it. It is provided with a damper device that guides the mixed gas to move diagonally toward a designated part of the burner device in the inlet hole, so that the opening area of the damper device is adjusted by the discharge pressure of the mixed gas discharged through the outlet, At this time, a small or large amount of mixed gas that collided with the damper device is concentrated and moved diagonally toward a designated part of the burner device through the open area, and the flame ignited in a designated part of the burner device spreads to the entire area of the burner device. Make it possible.
According to the present invention, when a headwind occurs in the direction of the damper device, the damper device seals the front end, preventing the headwind from entering the outlet direction through the damper device, and the damper device is installed to respond to the discharge pressure of the mixed gas passing through the damper device. The open area is adjusted, so there is no risk of resonance or vibration occurring in the damper device due to the mixed gas supplied to the burner device. When the mixed gas collides with the damper device, the mixed gas is directed to a designated part of the burner device. By concentrating movement in a diagonal direction so that a small amount of mixed gas can easily reach a designated part of the burner device, and maintaining the ignition performance of the burner device with a small amount of mixed gas, ignition performance can be maintained while reducing the supply amount of the mixed gas. .

Description

Gas burner with non-powered variable damper}

The present invention relates to a gas burner. More specifically, the mixed gas is supplied to the top of the burner device and the mixed gas is passed through the damper device. At this time, the open area of the damper device is adjusted to correspond to the discharge pressure of the mixed gas. It relates to a gas burner equipped with a powerless variable damper that adjusts the mixed gas that collides with the damper device to be concentrated and supplied to a designated part of the burner device through the open area.

Generally, a gas boiler heats water using the combustion heat generated when burning fuel, and heats the room by circulating the heated and stored water through heating pipes installed indoors through a circulation pump that forcibly circulates the water. It is a device that supplies heated water to bathrooms and kitchens as hot water.

A gas boiler that uses such general gas as fuel includes a gas burner that generates heat inside the combustion chamber using the gas introduced through the gas supply pipe, and a heat exchanger that uses the heat of the gas burner and exhaust heat to heat the heating water. Equipped with a heat exchanger.

Patent Document 1 shows the structure of a conventional heat exchanger for a boiler. Referring to this, a metal fiber burner is formed inside the hollow shape with an open bottom, and a gas inlet pipe and a blower are installed on the upper side of the metal fiber burner. One burner, a sensible heat exchange unit connected to the bottom of the burner to form a first heat absorber inside the burner, a latent heat exchange unit connected to the bottom of the sensible heat exchange unit to form a second heat absorber therein, and a latent heat exchange unit. A condensate discharge part connected to the bottom of the unit to discharge condensate, a copper pipe installed to pass through the first heat absorbing plate of the sensible heat exchanger, and a stainless steel pipe installed to communicate with the copper pipe and formed to pass through the second heat absorbing plate of the latent heat exchanger. It consists of

Here, gas is supplied to the internal space of the burner through a gas inlet pipe, and air is supplied by a blower, so that the mixed gas mixed in the internal space of the burner is supplied to the metal fiber burner.

Then, the mixed gas is ignited in the metal fiber burner to generate a flame at the bottom of the metal fiber burner. At this time, the first heat absorbing plate of the sensible heat exchange part is heated by this flame, and the heat generated from the flame moves downward, thereby exchanging latent heat. By heating the second heat absorbing plate, the sensible heat exchange unit and the latent heat exchange unit are heated.

At this time, the feed water is passed through the stainless steel pipe installed in the latent heat exchange unit, so that the feed water is heated through heat exchange with the stainless steel pipe heated by the second heat absorption plate, and then the first heated feed water is passed through the copper pipe, The feed water is heated secondarily through heat exchange with the copper pipe heated by the first heat absorption plate.

Then, the water that has undergone heat exchange while sequentially passing through the stainless steel pipe and the copper pipe is changed into heating water.

However, in Patent Document 1 as described above, the gas and air flowing into the burner are mixed directly before ignition in the metal fiber burner, and the mixing ratio of the gas and air is lowered, and the mixing ratio of the gas and air is lowered, so that the gas and air are mixed directly before ignition in the metal fiber burner. Explosive ignition may occur or ignition performance may rapidly deteriorate, resulting in incomplete combustion. A gas inlet pipe may be formed directly above the metal fiber burner, and a backfire may occur through the gas inlet pipe. In particular, the gas inlet pipe may cause a backfire. When a small amount of gas is supplied through the burner, the gas is dispersed in all directions within the burner and does not reach the metal fiber burner, resulting in a sharp decrease in ignition performance. By supplying in proportion to the amount that can be reached, gas consumption increases rapidly, and ignition performance deteriorates relative to the amount of gas supplied, leading to a problem in which the reliability of the product deteriorates.

KR 20-2000-0008514 U

The present invention is to solve the problems described above, and the object of the present invention is to provide a blowing fan with an inlet and an outlet formed on an outer surface orthogonal to the inlet, and an inflow connected to the outlet at the top directly below the outlet. It is equipped with a burner device that forms a hole to receive the mixed gas and burns it, and installs a damper device in the inlet hole to guide the mixed gas discharged through the outlet to move in a diagonal direction toward a designated part of the burner device. The open area of the damper device is adjusted by the discharge pressure of the mixed gas discharged through the damper device. At this time, a small or large amount of mixed gas that collides with the damper device is concentrated and moved in a diagonal direction through the open area toward a designated part of the burner device. , to provide a gas burner equipped with a powerless variable damper that allows the flame ignited in a designated part of the burner device to spread to the entire area of the burner device.

In order to achieve the purpose of the present invention as described above, the gas burner equipped with the powerless variable damper according to the present invention forms an inlet for receiving the mixed gas on the bottom and discharges the mixed gas flowing in through the inlet on the outer surface. A blowing fan forming an outlet; It is installed directly below the outlet of the blowing fan, and an inlet hole is formed at the top of the outlet to communicate with the outlet and allow the mixed gas discharged through the outlet to flow in, and to receive the mixed gas flowing in through this inlet hole. Burner device for burning mixed gas; It is installed at the top of the burner device to communicate with the outlet of the blowing fan, and its open area is adjusted to correspond to the discharge pressure of the mixed gas discharged through the outlet of the blowing fan, and the collision of the mixed gas discharged through the outlet is prevented. It is characterized by being composed of a damper device that guides the mixed gas to move in a diagonal direction toward a designated part of the burner device.

In the gas burner equipped with an unpowered variable damper according to the present invention, the burner device receives the mixed gas moved by the damper device on the upper surface concentratedly to a designated area, and ignites this mixed gas to send flame into the internal space. A burner body forming a metal fiber burner that generates a gas, installed directly below the metal fiber burner to which mixed gas is intensively supplied, and forming a flame detection unit that detects a flame ignited in the metal fiber burner; The lower end covers the upper surface of the burner body, the damper device is inserted and coupled to the inlet hole formed at the top, and its inner peripheral surface is curved so that the mixed gas discharged through the outlet moves to the metal fiber burner of the burner body. It is characterized by being composed of a flow path body that guides it to do so.

In the gas burner equipped with a powerless variable damper according to the present invention, the damper device has a hollow shape with front and rear open, and mixes gas flowing into the inlet hole of the burner device to flow into the burner device. A damper body that passes through; It is located at the front end of the damper body opposite to the inlet hole, and its upper end is rotatably installed on the damper body to close the front end of the damper body, and allows collision of the mixed gas passing through the damper body, and this mixture It is rotated at a predetermined angle to correspond to the discharge pressure of the gas to form an open flow path, and is characterized by being composed of a check damper that guides the mixed gas to move in a diagonal direction toward the burner device through this open flow path.

In the gas burner equipped with an unpowered variable damper according to the present invention, the burner device is an opening limit stopper that protrudes downward on the inner upper surface of the inlet hole and limits the rotational opening angle of the check damper rotated at a predetermined angle. It is characterized by further forming.

In the gas burner equipped with a power-free variable damper according to the present invention, the damper body is formed to connect between the inner upper and lower surfaces and both inner walls, and a plurality of parts are partitioned into the upper, lower, left, and right sides inside the damper body. It is characterized in that it further includes a partition plate forming an opening for the dog.

In the gas burner equipped with a power-free variable damper according to the present invention, the damper body is in the shape of a plate, is tightly coupled to the partition plate, and seals the lower left and right openings among the plurality of openings to ensure mixing. It is characterized by further forming a diaphragm that induces gas to collide with the upper part of the back damper through the left and right openings at the top.

In the gas burner equipped with the non-power variable damper according to the present invention, the damper body forms a stepped groove recessed along the front edge, and a rotating ring is formed on the upper surface, and the check damper faces the stepped groove. The beam is coupled to the step groove on the edge to form a step protrusion that seals the front end of the damper body, and is coupled to the rotation ring at the top to further form a rotation axis to guide the rotation of the check damper.

In the gas burner equipped with a power-free variable damper according to the present invention, the front of the damper body is formed to be inclined downward from the top toward the bottom with respect to the rotation axis of the check damper, so that the check damper is in close contact with it. Do it as

In the gas burner equipped with the non-power variable damper according to the present invention, the damper body is formed on the inner circumferential edge of the opening to be inclined at a predetermined angle toward the center of the check damper, and the mixed gas is discharged to the center of the check damper. It is characterized by further forming an inclined surface portion that guides as much as possible.

According to the present invention, the outlet is sealed or opened by a damper device to prevent backfire from occurring through the outlet discharging the mixed gas, and when a backwind occurs in the direction of the damper device, the damper device seals the front end, Backwind is prevented from entering the outlet direction through the damper device, and the open area of the damper device is adjusted to respond to the discharge pressure of the mixed gas passing through the damper device, preventing resonance or vibration from the damper device due to the mixed gas supplied to the burner device. There is no fear of this occurring, and by colliding the mixed gas with the damper device, this mixed gas is concentrated and moved diagonally toward a designated part of the burner device, so that a small amount of mixed gas easily reaches the designated part of the burner device, By maintaining the ignition performance of the burner device with a small amount of mixed gas, ignition performance can be maintained while reducing the mixed gas supply. This has the advantage of reducing mixed gas consumption and saving energy at the same time, improving product reliability. .

Figure 1 is a perspective view showing a gas burner equipped with a powerless variable damper according to the present invention.
Figure 2 is an exploded perspective view of Figure 1.
Figure 3 is an exploded perspective view of the damper device of a gas burner equipped with a powerless variable damper according to the present invention.
Figure 4 is a side cross-sectional view of the damper device of a gas burner equipped with a powerless variable damper according to the present invention.
Figure 5 is a perspective view showing a state in which mixed gas is concentratedly supplied to a designated part of a metal fiber burner through a damper device of a gas burner equipped with a non-power variable damper according to the present invention.

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

Referring to Figures 1 to 5, the blowing fan 100 has an inlet 101 on the bottom that receives the mixed gas, and an outlet 102 on the outer surface that discharges the mixed gas flowing in through the inlet 101. form

The blowing fan 100 guides the mixed gas to be discharged in the direction of the burner device 200.

The flow rate of the blowing fan 100 can be changed by the user's operation, and the mixed gas can be discharged at different flow rates through the outlet 102.

The burner device 200 is installed directly below the outlet 102 of the blowing fan 100, and is in communication with the outlet 102 at the top thereof to allow the mixed gas discharged through the outlet 102 to flow in. An inlet hole 221 is formed, and the mixed gas flowing in through the inlet hole 221 is supplied and the mixed gas is combusted.

The burner device 200 heats a water supply pipe (not shown) installed in the internal space and heats water passing through this water supply pipe (not shown).

The burner device 200 further forms an opening limit stopper 222 that protrudes downward on the inner upper surface of the inlet hole 221 and limits the rotational opening angle of the check damper 320 rotated at a predetermined angle. do.

It is preferable that the opening limit stoppers 222 are formed in plural numbers spaced apart from each other at predetermined intervals.

The opening limit stopper 222 prevents the check damper 320 from being damaged by colliding with the inner wall of the inlet hole 221 of the burner device 200 or from being stuck in the inlet hole 221. do.

The burner device 200 receives a concentrated supply of mixed gas moved by the damper device 300 on the upper surface to a designated area, and includes a metal fiber burner 211 that ignites this mixed gas to create a flame in the internal space. The burner body 210 is installed directly below the metal fiber burner 211 to which the mixed gas is concentrated and forms a flame detection sensor 212 that detects the flame ignited in the metal fiber burner 211. ) and the lower end covers the upper surface of the burner body 210, the damper device 300 is inserted and coupled into the inlet hole 221 formed at the upper end, and the inner peripheral surface is curved to form the outlet 102. It consists of a flow path body 220 that guides the mixed gas discharged through the burner body 210 to move to the metal fiber burner 211.

The burner body 210 is installed directly below the outlet 102 of the blowing fan 100.

The metal fiber burner 211 of the burner body 210 receives the mixed gas moving in the diagonal direction concentrated in a designated area by the damper device 300 and ignites the mixed gas.

The designated portion of the metal fiber burner 211 is the central portion of the metal fiber burner 211, and heat transfer toward the outside of the burner body 210 is reduced based on this central portion, thereby reducing the burner device 200. ) Deterioration and damage are prevented.

The metal fiber burner 211 passes the mixed gas directly below the area where the mixed gas is concentrated, thereby generating a flame below the metal fiber burner 211.

The flame detection sensor 212 detects a flame burning directly below the metal fiber burner 211 and determines whether the metal fiber burner 211 is ignited.

The burner body 210 has an ignition plug 213 inside it that generates a spark in the mixed gas supplied to the metal fiber burner 211 and ignites the mixed gas moved downward of the metal fiber burner 211. Includes more.

The spark plug 213 is preferably installed on one side of the flame detection unit 212 to ignite the mixed gas.

The flow path body 220 is formed to connect the outlet 102 of the blowing fan 100 and the metal fiber burner 211 of the burner body 210.

The flow path body 220 guides the mixed gas, whose direction of movement has changed due to collision with the damper device 300, to move toward the metal fiber burner 211 of the burner body 210.

The damper device 300 is installed on the top of the burner device 200 to communicate with the outlet 102 of the blowing fan 100, and discharges the mixed gas discharged through the outlet 102 of the blowing fan 100. The open area is adjusted to correspond to the pressure, and a collision of the mixed gas discharged through the outlet 102 is induced to guide the mixed gas to move in a diagonal direction toward a designated portion of the burner device 200.

The damper device 300 opens to correspond to the discharge pressure of the mixed gas discharged through the outlet 102, and moves the mixed gas toward the burner device 200, so that when the mixed gas collides, the damper device 300 This prevents resonance or collision sounds from occurring within the system.

The damper device 300 has a hollow shape with front and rear openings, and is a damper that passes the mixed gas flowing into the inlet hole 221 of the burner device 200 so that the mixed gas flows into the burner device 200. It is located at the front end of the damper body 310 opposite to the main body 310 and the inlet hole 221, and its upper end is rotatably installed on the damper body 310 to finish the front end of the damper body 310. In addition, the mixed gas passing through the damper body 310 is allowed to collide, and is rotated at a predetermined angle to correspond to the discharge pressure of the mixed gas to form an open passage 321, and through this open passage 321 It consists of a check damper 320 that guides the mixed gas to move in a diagonal direction toward the burner device 200.

The damper body 310 guides the mixed gas to move in the direction of the check damper 320.

The damper body 310 is formed so that its outer surface shape corresponds to the shape of the inlet hole 221 of the burner device 200, and is inserted and fixed into the inlet hole 221.

The damper body 310 is formed to connect between the inner upper and lower surfaces and both inner walls, forming a plurality of openings 310a divided into the upper, lower, left, and right sides inside the damper body 310. It further includes a plate 311.

The partition plate 311 allows the mixed gas to pass through the opening 310a.

It is preferable that the partition plate 311 has a cross-sectional shape of a “+” shape to form the opening 310a.

The damper body 310 is formed on the inner peripheral edge of the opening 310a inclined at a predetermined angle toward the center of the check damper 320, and is an inclined surface that guides the mixed gas to be discharged to the center of the check damper 320. A portion 315 is further formed.

The inclined surface portion 315 guides the mixed gas passing through the opening 310a to be concentrated and discharged to the center of the check damper 320.

The damper body 310 has a plate shape, is tightly coupled to the partition plate 311, and seals the lower left and right openings 310a among the plurality of openings 310a, so that the mixed gas flows through the upper part. A diaphragm 312 is further formed to induce collision with the upper end of the back damper 320 through the left and right openings 310a.

The diaphragm 312 blocks the mixed gas from passing through the lower left and right openings 310a among the plurality of openings 310a.

The diaphragm 312 concentrates the mixed gas into the upper end of the back damper 320 so that the mixed gas collision point is close to the rotation axis 323 of the back damper 320.

The diaphragm 312 concentrates the collision point of the mixed gas at the upper part of the check damper 320, reducing the rotational opening area of the check damper 320 corresponding to the discharge pressure of the mixed gas, and allowing the mixed gas to enter the burner device. It leads to convergence toward a designated part of (200).

The damper body 310 has a stepped groove 313 recessed along the front edge, and a rotating ring 314 is formed on the upper surface.

The step groove 313 allows the step protrusion 322 of the check damper 320 to be coupled, thereby tightly fixing the check damper 320 to the front end of the damper body 310.

The rotation ring 314 allows the rotation shaft 323 of the check damper 320 to be coupled, and supports rotation of the rotation shaft 323 in the forward or reverse direction.

The front of the damper body 310 is formed to be inclined downward from above toward the bottom based on the rotation axis 323 of the check damper 320, so that the check damper 320 is in close contact with it.

The damper body 310 has its front surface inclined so that the angle θ1 from the check damper 320 to the virtual inclined line L1 formed with respect to the rotation axis 323 is the rotation axis 323. It is formed to be relatively small compared to the angle θ2 to the virtual vertical line L2 formed as a reference, so that when a back wind occurs in the direction of the damper body 310, the back damper 320 reaches the front of the damper body 310. The distance covered becomes relatively short.

As the check damper 320 rotates, it closes or opens the front end of the damper body 310.

The check damper 320 allows the mixed gas to collide at the top or center.

The check damper 320 is opened at a predetermined angle at the front end of the damper body 310 to correspond to the discharge pressure of the mixed gas, and forms an open passage 321 therebetween.

The check damper 320 is opened at a predetermined angle at the front end of the damper body 310 and allows the mixed gas to collide, thereby guiding the mixed gas to be concentrated and supplied to a designated area of the metal fiber burner 211. do.

The check damper 320 is rotated open by being pushed by the discharge pressure of the mixed gas within the inlet hole 221, and is blocked by the opening limit stopper 222 of the burner device 200, so that it rotates open beyond a predetermined angle. blocked.

The check damper 320 is coupled to the step groove 313 on an edge facing the step groove 313, forming a step protrusion 322 that seals the front end of the damper body 310, and the step groove 313 is attached to the edge facing the step groove 313. It is coupled to the rotating ring 314 to further form a rotating shaft 323 that guides the rotation of the check damper 320.

The step protrusion 322 is inserted and coupled to the step groove 313 to block back wind from flowing into the gap between the back damper 320 and the damper body 310.

The rotation shaft 323 rotates in the forward or reverse direction with respect to the rotation ring 314, and guides the check damper 320 to close or open the front end of the damper body 310.

The gas burner equipped with the power-free variable damper according to the present invention configured as described above is used as follows.

First, when the blower fan 100 is driven by manipulating the operation panel (not shown), the mixed gas flows into the blower fan 100 due to the suction pressure formed at the inlet 101 of the blower fan 100. .

Then, the mixed gas flowing into the blowing fan 100 is discharged to the burner device 200 through the outlet 102, and the mixed gas is supplied to the burner device 200.

At this time, the outlet 102 is connected to the inlet hole 221 of the burner device 200, so that the mixed gas discharged through the outlet 102 flows into the inlet hole 221 of the burner device 200. comes in.

And, the mixed gas flowing into the inlet hole 221 passes through the damper device 300 and is supplied to the burner device 200.

That is, the mixed gas flowing into the inlet hole 221 passes through the opening 310a formed in the damper body 310 of the damper device 300 and then collides with the check damper 320. By pushing out 320, an open passage 321 is formed between the damper body 310 and the back damper 320.

At this time, the check damper 320 is rotated open to correspond to the discharge pressure of the mixed gas passing through the damper body 310 and colliding with the rear thereof, and adjusts the area of the open passage 321 therebetween.

Here, when the mixed gas collides with the check damper 320, the rotation axis 323 of the check damper 320 rotates in the forward or reverse direction with respect to the rotating ring 314 of the damper body 310 to release the mixed gas. The check damper 320 is rotated at a predetermined angle to correspond to the discharge pressure.

In addition, the damper body 310 allows the mixed gas to pass through the plurality of openings 310a partitioned to the left and right at the top and bottom, respectively, by the partition plate 311, to the center of the check damper 320. The mixed gas is allowed to collide or the openings 310a formed on the lower left and right sides of the plurality of openings 310a are sealed with a diaphragm 312 to form the openings 310a formed on the upper left and right sides. Through this, the mixed gas can collide with the rear upper part of the check damper 320.

Here, allowing the mixed gas to collide concentratedly at the rear center of the check damper 320 or causing the mixed gas to collide concentratedly at the rear upper part of the check damper 320 can be adjusted according to the user's selection. In this case, the Compared to allowing the mixed gas to collide concentratedly at the center of the check damper 320, if the mixed gas is concentrated at the upper end of the check damper 320, the rotation radius of the check damper 320 is relatively reduced.

That is, the mixed gas is simultaneously passed through the plurality of openings 310a of the damper body 310 so that the mixed gas collides concentratedly in the center of the check damper 320, or the diaphragm 312 is inserted into the opening 310a. ) can be installed to allow the mixed gas to collide concentratedly with the rear upper part of the check damper 302 through the opening (310a) in which the diaphragm 312 is not installed among the plurality of openings (310a).

First, when the mixed gas is passed through the plurality of openings 310a, the mixed gas is discharged in the direction of the check damper 320 and collides intensively with the rear center of the check damper 320, thereby causing the backlash. The damper 320 is rotated and maintained at a predetermined angle, and in that state, the mixed gas that collides with the rear center of the check damper 320 passes through the open passage 321 to the metal fiber burner 211 of the burner body 210. It is moved in a diagonal direction and is concentrated and supplied to a designated area of the metal fiber burner 211.

In the following description, the openings 310a formed on the lower left and right sides of the plurality of openings 310a will be described as an example in which the openings 310a are sealed by the partition 312.

Thereafter, the check damper 320, which is rotated open by the discharge pressure of the mixed gas at the front end of the damper body 310, guides the mixed gas to collide with the rear top in a state in which it is tilted open at a predetermined angle, thereby causing this mixture. The gas is guided to move in a diagonal direction toward the metal fiber burner 211 of the burner body 210 through the open passage 321.

At this time, among the mixed gas passing through the opening 310a of the damper body 310, the mixed gas moving along the edge of the opening 310a is the inclined surface portion 315 formed on the inner circumferential edge of the opening 310a. By being guided and discharged toward the center of the check damper 320, the mixed gas discharged from the opening 310a is prevented from leaking around the edge of the check damper 320.

Then, when the mixed gas passes through the opening 310a and collides concentratedly toward the rear upper part of the check damper 320, the mixed gas rotates in the direction of the damper body 310 compared to the moment value of the concentrated load point where the mixed gas collides. As the self-weight of the check damper 320 becomes relatively larger, the open area of the check damper 320 is reduced, and as a result, the mixed gas colliding with the check damper 320 is transferred to the burner body 210. It is supplied in a diagonal direction toward a designated part of the metal fiber burner 211.

Here, the moment value represents the product of the flow rate of the mixed gas and the moving distance.

At this time, when the discharge pressure of the mixed gas colliding with the check damper 320 increases above the predetermined discharge pressure, the check damper 320 is rotated more than a predetermined angle by the discharge pressure of the mixed gas and then rotates through the inlet hole 221. ) is blocked by the opening limit stopper 222 formed within it, preventing rotation beyond a set angle.

Meanwhile, the mixed gas that collides with the check damper 320 changes its moving direction diagonally toward the metal fiber burner 211 and is then guided to the inner peripheral surface of the flow path body 220 to the metal fiber burner. It moves in the (211) direction.

And, as described above, the mixed gas that collides with the check damper 320 and moves diagonally toward the metal fiber burner 211 is concentrated and supplied to a designated portion of the metal fiber burner 211.

Here, the mixed gas that collides with the rear top of the check damper 320 is concentrated and supplied to the center of the metal fiber burner 211, and moves into the burner body 210 through the metal fiber burner 211. desirable.

Then, the ignition plug 213 installed in the burner body 210 generates a spark, igniting the mixed gas supplied to a designated area of the metal fiber burner 211, and igniting the mixed gas supplied to the designated area of the metal fiber burner 211. A flame is generated toward the inside of the burner body 210.

At this time, when ignition occurs in the metal fiber burner 211, the flame detection unit 212 detects the flame ignited at a designated portion of the metal fiber burner 211, and the flame in the metal fiber burner 211 It determines whether or not it is created.

Here, the spark plug 213 and the flame detection unit 212 are configured to correspond to the position of the mixed gas concentratedly supplied to a designated area of the metal fiber burner 211 through the open area of the check damper 320, and the metal fiber It is installed directly below the burner 211, enabling ignition and salt detection.

In addition, when the mixed gas is concentratedly supplied to a designated area of the metal fiber burner 211 through the open area of the check damper 320, the mixed gas is ejected directly downward from the designated area of the metal fiber burner, The length of the flame ignited in a metal fiber burner increases.

And, as described above, the mixed gas passing through the damper body 310 collides with the rear of the check damper 320, and the check damper 320 is opened at a predetermined angle to correspond to the discharge pressure of the mixed gas. , the mixed gas is continuously supplied to a designated part of the metal fiber burner 211.

That is, the check damper 320 is opened at a predetermined angle to correspond to the amount of mixed gas colliding with the check damper 320, and the metal fiber burner 211 is opened through the open passage 321 of the check damper 320. By ensuring that the mixed gas is concentrated and supplied to a designated part of the metal fiber burner 211, regardless of the amount of mixed gas supplied to the metal fiber burner 211, the mixed gas is completely burned in a designated part of the metal fiber burner 211, resulting in ignition and Combustion performance can be improved at the same time.

Therefore, the ejection range (e.g., flame ejection area) of the flame ejected from the metal fiber burner 211 varies depending on the ejection speed of the mixed gas (e.g., the amount of mixed gas supplied), and because of this, the ejection range (e.g., flame ejection area) of the metal fiber burner 211 ) By maintaining the flame load constant, ignition and combustion performance are simultaneously improved.

Meanwhile, when a headwind is generated toward the damper device 300 by the burner device 200, this headwind moves in the direction of the damper body 310, and at this time, the check damper 320 is pushed by the headwind and the damper It rotates in the direction of the main body 310.

Here, the rotation axis 323 of the check damper 320 is rotated based on the rotating ring 314 of the damper body 310, and reaches the front of the damper body 310, and then the check damper ( The stepped protrusion 322 of the damper body 310 is inserted into the stepped groove 313 of the damper body 310, and the check damper 320 is tightly coupled to the front end of the damper body 310.

Then, the front of the damper body 310 is sealed by the back damper 320, and accordingly, the flame or back wind ignited in the metal fiber burner 211 by the back wind is blocked by the back damper 320. Backfire or backflow in the direction of the outlet 102 of the blower fan 100 is prevented.

In addition, the step protrusion 322 of the check damper 320 is inserted and coupled to the step groove 313, thereby sealing the gap between the check damper 320 and the damper body 310, thereby sealing the gap between them. This prevents backfire or headwind from occurring.

In particular, the front of the damper body 310 is formed to be inclined downward, so that during a backwind or backfire, the back damper 320 is in close contact with the front of the damper body 310 in an inclined state, so that the back damper 320 is in close contact with the front of the damper body 310. The distance to reach the front of the damper body 310 is shortened.

As described above, the mixed gas discharged from the blower fan 100 collides with the damper device 300 to adjust the open area of the damper device 300 to correspond to the mixed gas discharge pressure, and the open damper device 300 The structure in which the mixed gas is supplied concentrated to a designated part of the burner device 200 is that the outlet 102 is sealed or opened by the damper device 300, so that backfire occurs through the outlet 102 that discharges the mixed gas. This is prevented from occurring, and when a headwind occurs in the direction of the damper device 300, the damper device 300 seals the front end, preventing the headwind from entering the outlet 102 through the damper device 300. The open area of the damper device 300 is adjusted to correspond to the discharge pressure of the mixed gas passing through (300), and resonance sound or vibration occurs in the damper device 300 due to the mixed gas supplied to the burner device 200. There is no risk of damage, and while colliding the mixed gas with the damper device 300, this mixed gas is concentrated and moved diagonally toward a designated part of the burner device 200, so that a small amount of the mixed gas is released into the burner device 200. Easily reaches the designated area.

The gas burner equipped with the powerless variable damper according to the present invention described above is not limited to the above-described embodiment, and is known to the general knowledge in the field to which the present invention pertains without departing from the gist of the present invention claimed in the following claims. The technical spirit is there to the extent that anyone who has it can implement it in various ways.

100: blowing fan 101: inlet
102: outlet 200: burner device
210: Burner body 211: Metal fiber burner
212: Flame detection unit 213: Spark plug
220: Euro body 221: Inlet hole
222: Opening limit stopper 300: Damper device
310: Damper body 310a: Opening hole
311: partition plate 312: partition
313: Step groove 314: Rotating ring
320: Back damper 321: Open passage
322: Step protrusion 323: Rotation axis

Claims (9)

A blowing fan (100) having an inlet (101) for receiving the mixed gas on the bottom and an outlet (102) for discharging the mixed gas introduced through the inlet (101) on the outer surface;
It is installed directly below the outlet 102 of the blowing fan 100, and is connected to the outlet 102 at the top of the inlet hole 221 to allow the mixed gas discharged through the outlet 102 to flow in. A burner device 200 is formed to receive the mixed gas flowing in through the inlet hole 221 and burn the mixed gas;
It is installed at the top of the burner device 200 to communicate with the outlet 102 of the blowing fan 100, and opens to correspond to the discharge pressure of the mixed gas discharged through the outlet 102 of the blowing fan 100. A damper device 300 whose area is adjusted and which induces collision of the mixed gas discharged through the outlet 102 and guides the mixed gas to move diagonally toward a designated portion of the burner device 200;
It consists of,
The damper device 300 is,
A partition plate 311 that has a hollow shape with front and rear openings and is formed to connect the inner top, bottom, and both inner walls, and has a plurality of openings 310a divided into the top, bottom, left, and right sides. A damper body 310 that passes the mixed gas flowing into the inlet hole 221 of the burner device 200 so that the mixed gas flows into the burner device 200;
It is located at the front end of the damper body 310 opposite to the inlet hole 221, and its upper end is rotatably installed on the damper body 310 to finish the front end of the damper body 310, and the damper body ( The mixed gas passing through 310) is allowed to collide, but is rotated at a predetermined angle to correspond to the discharge pressure of the mixed gas to form an open passage 321, and the mixed gas flows through the open passage 321 to the burner device. A check damper 320 that guides movement in a diagonal direction toward (200);
A gas burner with a power-free variable damper, characterized in that it consists of. According to clause 1,
The burner device 200,
The mixed gas moved by the damper device 300 on the upper surface is supplied concentrated to a designated area, and a metal fiber burner 211 is formed that ignites the mixed gas to create a flame in the internal space, and the mixed gas is concentrated. A burner body 210 installed directly below the supplied metal fiber burner 211 and forming a flame detection unit 212 that detects a flame ignited by the metal fiber burner 211;
The lower end covers the upper surface of the burner body 210, and the damper device 300 is inserted and coupled into the inlet hole 221 formed at the top, and its inner peripheral surface is formed to be curved to discharge through the outlet 102. A flow path body 220 that guides the mixed gas to move to the metal fiber burner 211 of the burner body 210;
A gas burner with a power-free variable damper, characterized in that it consists of. delete According to clause 1,
The burner device 200,
An opening limit stopper 222 is further formed to protrude downward on the inner upper surface of the inlet hole 221 and limits the rotational opening angle of the check damper 320 rotated at a predetermined angle. Gas burner with damper. delete According to clause 1,
The damper body 310 is,
It is in the shape of a plate and is tightly coupled to the partition plate 311, and among the plurality of openings 310a, the lower left and right openings 310a are sealed so that the mixed gas flows through the upper left and right openings 310a. ) A gas burner with an unpowered variable damper, characterized in that it further forms a diaphragm 312 that induces it to collide with the upper end of the back damper 320 through ). According to clause 1,
The damper body 310 is,
A stepped groove 313 is formed along the shear edge, and a rotating ring 314 is formed on the upper surface,
The check damper 320 is,
A stepped protrusion 322 is formed on the edge facing the stepped groove 313 and is coupled to the stepped groove 313 to seal the front end of the damper body 310, and is coupled to the rotating ring 314 at the top. A gas burner with an unpowered variable damper, characterized in that a rotation axis 323 is further formed to guide the rotation of the check damper 320. According to clause 7,
The damper body 310 is,
A gas burner with an unpowered variable damper, characterized in that the front surface is formed to slope downward from above toward the bottom based on the rotation axis 323 of the check damper 320, so that the check damper 320 is in close contact with it. According to clause 6,
The damper body 310 is,
An inclined surface portion 315 is formed on the inner circumferential edge of the opening 310a to be inclined at a predetermined angle toward the center of the check damper 320 and guides the mixed gas to be discharged to the center of the check damper 320. A gas burner equipped with a power-free variable damper.

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