KR102367880B1 - Stove capable for using both firewood and pellet - Google Patents

Abstract

According to an embodiment of the present invention, a combined pellet and wood-burning stove having a removable pellet combustion device for installation of a vertical combustion-type firewood drop comprises: a drum-type body; a vertical combustion-type firewood drop having a vertical supply pipe for firewood fuel vertically passing through one side of the upper plate of the drum-type body and extending to a lower portion of the drum-type body; and a vertical combustion-type pellet combustion device having a vertical supply pipe for pellet fuel detachably mounted to the firewood drop and extending to a lower portion of the drum-type body. The pellet combustion device includes: a top plate mounted to cover the vertical combustion-type firewood drop; a pellet supply pipe installed by vertically passing through one side of the top plate; a main air supply pipe installed by vertically passing through the top plate spaced apart from the pellet supply pipe by a predetermined distance; a sub air supply pipe installed by vertically passing through the top plate between the main air supply pipe and the pellet supply pipe; and a pellet combustion unit installed at a lower end of the pellet supply pipe. Therefore, both pellet and wood fuel can be used.

Description

Firewood stove capable of using both firewood and pellets having a removable pellet combustion device for installing a vertical combustion type firewood inlet

The present invention relates to a pellet combustion device and a coal wood stove combined with pellets, and more particularly, to provide a pellet combustion device that can be easily installed in a wood stove having a wood wood inlet of a vertical combustion method so that pellets and wood fuel can be used in combination It relates to a combined wood pellet stove having a removable pellet combustion device for installing a vertical combustion type wood inlet.

In general, the use of heating devices increases rapidly in winter. In houses, restaurants, offices, factories, etc., heating devices are used to heat indoor spaces, and in rural areas, heating devices are provided in facilities for growing crops or raising livestock. do.

A stove or a heater is used as the heating device, and in the case of a stove or a heater, any one of electricity, gas, briquettes, and oil is used as a fuel.

However, electricity, gas, briquettes, and oil used in the heating device have advantages of easy management, such as supply and demand, and storage. there was

In addition, when briquettes and oil are used as fuels, there are problems in that gas poisoning accidents and environmental pollution occur due to chemical harmful substances contained in the combustion gas emitted during the combustion process.

Therefore, in recent years, the trend of using natural fuels, which are easily available at low cost, as a heating fuel in the vicinity is rapidly increasing. Pellets are one of them.

However, in the case of pellet stoves commercially available in general, since they are optimally designed so that only one pellet can be used as fuel, when all the purchased pellets are consumed, the stove can no longer be operated. If it is difficult to purchase or the price has skyrocketed, there is a difficulty in preparing a separate heating device in addition to the pellet stove.

In addition, in the case of pellet stoves, there is a problem that it takes some time to reach the desired heating temperature because the initial calorific value is weak.

As a prior art for solving this problem, a stove for combining wood and pellets in Korean Patent Registration No. 10-1757026 has been proposed.

In the prior art, heating heat can be supplied to the room by selecting and burning any one of wood and pellets, and even if any one of wood or pellets is not prepared, the stove can be operated using the other fuel, so the efficiency of use is increased. It is designed to control the flow of air through the air control valve installed on the fuel input door and the detachable member to control thermal power and soot emission.

However, in the prior art, in order to use the pellets for both purposes, a separate transfer pipe for supplying pellets has to be installed on one side of the combustion cylinder, and when using coal fuel, the conveying pipe in the combustion cylinder pushes or stacks fire wood. There was a problem that got in the way.

On the other hand, conventional wood stoves were produced by casting or welding steel plates, and there was a problem in that the production cost was high. Therefore, there is a need to propose a practical technology for recycling a resource that is used once and discarded, such as a drum, and utilized in the production of a wood stove.

Republic of Korea Patent Registration No. 10-1757026

The present invention has been devised to solve the above problems, and its purpose is to easily install in a wood stove having a wood wood inlet of a vertical combustion method so that both pellets and wood fuel can be used. An object of the present invention is to provide a wood pellet stove having a combustion device.

Another object of the present invention is to make the main body of the wood stove by recycling waste drums, thereby contributing to reduction in production cost and recycling of resources.

Another object of the present invention is to reduce the maintenance cost by manufacturing the main body of the wood stove by using a waste drum, so that only the low cost wood stove body can be easily replaced and used when the life of the wood stove is exhausted.

According to one aspect of the present invention for achieving the above object, the drum-type body; a firewood inlet of a vertical combustion type that vertically penetrates one side of the upper plate of the drum-type body and forms a vertical wood fuel supply pipe extending to the lower part of the drum-type body; A vertical combustion type pellet combustion device which is detachably mounted on the firewood inlet to form a pellet fuel vertical supply pipe extending to the lower part of the drum-type body;

The pellet combustion device, a top plate mounted to cover the wood inlet of the vertical combustion method; a pellet supply pipe installed through one side of the top plate in a vertical direction; a main air supply pipe installed through the top plate at a predetermined distance from the pellet supply pipe in a vertical direction; a sub-supply pipe installed by penetrating the top plate in a vertical direction between the main air-supply pipe and the pellet supply pipe; and a pellet combustion unit installed at the lower end of the pellet supply pipe; a combined wood pellet stove having a detachable pellet combustion device for installing a vertical combustion type wood inlet including;

On the other hand, it can be used by combining a hopper for pellet input to the pellet supply pipe.

In addition, the handle portion may be formed on both sides of the outer periphery of the top plate.

In addition, each end of the pellet supply pipe, the main air supply pipe, and the sub air supply pipe is installed at the upper side of the pellet combustion unit so that the supply air of the combustion air preheated to the ignition point is concentrated.

In addition, the pellet combustion unit, but forms a sloping bottom mesh, with respect to the bottom of the drum-type body, the main air supply pipe side is high and the pellet supply pipe side is low to form a bottom mesh part, and on both sides of the bottom mesh part, each side A flame guide may be formed to guide the flame toward a downwardly inclined direction of the bottom mesh.

In addition, the pellet combustion unit is installed so that the downwardly inclined direction of the bottom mesh is directed toward the side plate of the drum-type body so that the flame collides with the side plate of the drum-type body and rides the cylindrical inner curved surface to form a flame path that moves in the direction of the exhaust port on the opposite side. there is.

In addition, an ignition port for initial ignition may be formed on the side plate of the drum-type body at a position corresponding to the pellet combustion unit.

In addition, an adjustment cap capable of opening and closing the upper inlets of the main air supply pipe and the sub air supply pipe may be installed.

In addition, the pellet supply pipe, the main air supply pipe, it may be formed to have a smaller diameter in the order of the sub air supply pipe.

In addition, it is possible to form a plurality of the sub-supply pipe.

In addition, the lower end of the main air supply pipe may form an inclined cross-section having an inclination of about 45 degrees so that combustion air is discharged toward the pellet supply pipe side.

The present invention as described above has excellent usability and compatibility because it can be applied by mounting the pellet combustion device as it is without changing the structure of the wood stove of the existing production method.

In addition, the present invention has an excellent practical effect by removing the pellet combustion device and injecting the wood fuel to continue the use of the wood stove even when the pellet combustion apparatus fails or the pellet fuel is exhausted.

In addition, by allowing the main air supply and auxiliary air supply to be made through the pellet combustion device, it has the effect of increasing the thermal power.

In addition, by extending the main air supply and auxiliary air supply pipelines of the pellet combustion device in the vertical direction to the bottom of the body, combustion air is supplied through a preheating process, so that high-temperature combustion and complete combustion are achieved.

In addition, the present invention has the effect of contributing to reduction of manufacturing cost and recycling of resources by manufacturing the main body of the wood stove by recycling waste drums.

In addition, the present invention has an effect of reducing maintenance costs by manufacturing the main body of the wood stove by using a waste drum, so that only the inexpensive wood stove body can be easily replaced and used when the life of the wood stove is exhausted.

1 is a cross-sectional view showing a wood stove according to the present invention.
Figure 2 is a side view showing the pellet combustion device of the wood stove according to the present invention.
Figure 3 is an enlarged view of the top plate side of the pellet combustion apparatus according to the present invention.
Figure 4 is an enlarged view of the pellet combustion side according to the present invention.

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

1 is a cross-sectional view showing a wood stove according to the present invention, FIG. 2 is a side view showing a pellet combustion apparatus of a wood stove according to the present invention, and FIG. 3 is an enlarged view of the top plate side of the pellet combustion apparatus according to the present invention Figure 4 is an enlarged view of the pellet combustion side according to the present invention.

As shown in the drawing, the configuration of the present invention largely includes a drum-type body 110 , a firewood inlet 130 , an exhaust port 140 , and a pellet combustion device 200 .

First, the drum-type body 110 is disclosed. The drum-type body 110 forms a cylindrical side plate 112 , a circular lower plate 113 closing the lower end of the side plate 112 , and a circular upper plate closing the upper end of the side plate 112 . (111) is formed.

In this case, the upper plate 111 may be manufactured in the form of a detachable lid separated from the side plate 112 and used in combination.

In this case, in the case of the upper plate 111 provided in the form of a lid, the upper end of the upper plate 111 and the side plate 112 may meet and be bound by wrapping the ring band 114 around the edge of the coupling portion.

The ring band 114 forms a coupling groove capable of enclosing the edge of the coupling part inside the circular band, and the cut both ends of the ring band 114 can be bound using a fastening means such as a turnbuckle. .

In addition, a firewood inlet 130 is formed on one side of the outer periphery of the upper plate 111 , and an exhaust port 140 for inserting and coupling a communication pipe may be formed on the opposite side where the firewood inlet 130 is formed.

On the other hand, the drum-type body can be manufactured by recycling waste drums, thereby reducing the manufacturing cost of the wood stove and contributing to resource recycling.

Hereinafter, the firewood inlet 130 will be described.

As shown in the accompanying drawings, the firewood inlet 130 is manufactured as a tube body extending through one side of the upper plate 111 in the vertical direction to the lower part of the drum-type body 110, that is, to the position of the lower plate 113, so that the firewood fuel is The input vertical supply pipe is formed.

Such a firewood inlet 130 is used in a woodfired stove of a vertical combustion method.

Wheels 150 are formed on the bottom of the drum-type body 110 to allow the wood stove to move freely, and a safety net 160 can be installed on the outer surface of the drum-type body 110 concentrically to prevent burns of the user. there is.

In addition, the pellet combustion device 200 is detachably mounted to the firewood inlet 130 .

Hereinafter, the pellet combustion apparatus 200 will be described.

The pellet combustion device 200 converts the wood stove into a pellet stove using pellet fuel so as to have the expandability of the fuel used, and is detachably mounted on the wood wood inlet 130 and the drum-type body 110 of A vertical pellet fuel supply pipe extending to the lower part, that is, the lower plate 113 is formed.

Such a pellet combustion device 200 provides a structure that can be commonly used in a wood stove of a vertical combustion method.

The detailed configuration of the pellet combustion device 200 will be described as follows.

The pellet combustion device 200 forms a top plate 210 mounted to cover the wood inlet 130 of the vertical combustion method.

In this case, the top plate 210 has the shape of a metal plate body, is manufactured with a larger area than the diameter of the firewood inlet 130 , and can be manufactured in various designs such as a disc shape or a square plate shape.

In addition, a high-temperature packing material may be installed between the top plate 210 and the firewood inlet 130 to maintain airtightness. This can be expected to be effective in preventing problems such as backfire due to a gap that may occur between the firewood inlet 130 and a decrease in combustion efficiency due to inflow of outside air that has not been preheated.

In addition, by forming the handle portions 211 on both sides of the outer periphery of the top plate 210 , the operator can use the handle portion 211 to perform detachment work or transport.

And, the pellet supply pipe 220 is installed through one side of the top plate 210 in the vertical direction.

The pellet supply pipe 220 is made of a metal pipe extending to the position of the lower plate 113 of the drum-type body 110, and forms a supply pipe for supplying pellets through the inner diameter of the firewood inlet 130 in the vertical direction. .

In this case, a hopper 270 for pellet input may be coupled to the upper portion of the pellet supply pipe 220 .

And, the main air supply pipe 230 is installed by penetrating the top plate 210 at a location spaced apart by a predetermined distance from the pellet supply pipe 220 in the vertical direction.

At this time, the main air supply pipe 230 is made of a metal tube extending to the position of the lower plate 113 of the drum-type body 110, and penetrates the inner diameter of the firewood inlet 130 in the vertical direction so that the combustion air is preheated and supplied. to form a pipeline

At this time, the diameter of the main air supply pipe 230 can be formed smaller than the diameter of the pellet supply pipe 220 so that a large amount of combustion air can be supplied, which can be efficiently used in the initial combustion process of the wood stove. .

A control cap 260 capable of opening and closing the upper inlet of the main air supply pipe 230 can be installed to control the supply amount of combustion air, and the control cap 260 can be opened and closed on the top plate. It may be installed on the 210 .

And, the sub air supply pipe 240 may be installed by penetrating the top plate 210 in the vertical direction between the main air supply pipe 230 and the pellet supply pipe 220 .

At this time, the sub air supply pipe 240 is made of a metal tube extending to the position of the lower plate 113 of the drum-type body 110, and penetrates the inner diameter of the firewood inlet 130 in the vertical direction so that combustion air is preheated and supplied. to form a pipeline

At this time, the sub air supply pipe 240 has a smaller diameter than that of the main air supply pipe 230 , and a small amount of combustion air can be supplied, which is the minimum required to prevent overheating in the high-temperature combustion process of Hwamok Naro. It can be efficiently used when only combustion air is to be supplied.

Two or more of the sub-supply pipes 240 may be installed to control the supply of combustion air according to selective use.

A control cap 260 capable of opening and closing the upper inlet of the sub-supply pipe 240 can be installed to control the supply amount of combustion air, and the control cap 260 is a top plate in a state that can be opened and closed. It may be installed on the 210 .

The pellet supply pipe 220, the main air supply pipe 230, and the sub air supply pipe 240 are installed in the wood inlet 130 in the form of a bundle of metal pipes, and the diameter of each pipe body is the pellet supply pipe 220, the main air supply pipe ( 230), the sub air supply pipe 240 may be formed to have a smaller diameter in the order.

On the other hand, both the main air supply pipe 230 and the sub air supply pipe 240 are used as means for supplying combustion air. Combustion air can be supplied, and the amount of supplied combustion air is gradually reduced depending on the situation in which combustion is stable.

For example, in the high-temperature combustion stage in which the wood stove body is heated, only one sub-supply pipe 240 is opened so that only the minimum combustion air is supplied, thereby preventing the stove from overheating.

And, a pellet combustion unit 250 is installed at the lower end of the pellet supply pipe 220 .

The pellet combustion unit 250 is to provide a metal mesh structure so that a predetermined amount of the pellet fuel supplied through the pellet supply pipe 220 is deposited and burned, and the ashes after combustion fall to the bottom.

For example, the pellet combustion unit 250 serves to cause combustion while maintaining a state in which a certain amount of pellets are stacked, and to allow the burned ash to fall to the bottom and be processed.

On the upper side of such a pellet combustion unit 250, each end of the pellet supply pipe 220, the main air supply pipe 230, and the sub air supply pipe 240 is gathered and installed in a bundle form, the pellet combustion unit 250 of By focusing the preheated combustion air discharged from the main air supply pipe 230 and the sub air supply pipe 240 as the ignition point, efficient combustion can be achieved.

At this time, the pellet combustion unit 250, but forms an inclined bottom mesh portion 251, the main air supply pipe 230 side with respect to the bottom of the drum-type body 110 is high, the pellet supply pipe 220 side The bottom mesh 251 is formed to be low, and side flame guides 253 are formed in both lateral directions of the bottom mesh 251, respectively, so that the flame can be guided toward the downwardly inclined direction of the bottom mesh 251. .

On the other hand, the pellet combustion part 250 is installed so that the downwardly inclined direction of the bottom mesh part 251 faces the drum-type body 110 and the side plate 112 so that the flame collides with the side plate 112 of the drum-type body and the inside of the cylinder It is possible to form a flame path that travels in the direction of the exhaust port 140 on the opposite side on the curved surface, which is to ensure that the burned high-temperature heat evenly heats the inside of the drum-type body 110 so that a sufficient heat exchange process is achieved, It is possible to maintain the entire internal space of the drum-type body 110 in a high-temperature atmosphere, which increases the combustion efficiency to expand the heating area of the stove, as well as to provide the advantage of uniform heat generation over the entire area.

On the other hand, the lower end of the main air supply pipe 230 can be formed with an inclined cross-section 231 having an inclination of about 45 degrees so that the combustion air is discharged toward the pellet supply pipe 220 side, which is the concentration of the combustion air. It is to provide a structure that increases efficiency.

On the other hand, an ignition port 115 for initial ignition may be formed on the drum-type main body side plate 112 at a position corresponding to the pellet combustion unit 250 .

Such an ignition port 115 is for inputting an ignition means such as a torch, and is closed after ignition to block the inflow of outside air.

On the other hand, by extending the position of the ignition port 115 to open and close, re-cleaning the inside and initial ignition using a torch can be made.

On the other hand, as shown in FIG. 5 , a re-cleaning port 117 of a form that can be opened and closed is formed on the drum-type main body side plate 112 at a position corresponding to the pellet combustion unit 250, and the re-cleaning tool 117 is used to initially Ignition can also be made.

In addition, as shown in FIG. 5 , an auxiliary air supply pipe 241 directly connected to the pellet combustion unit 250 from the drum-type main body side plate 112 may be further formed to contribute to the improvement of thermal power.

As described above, the present invention has excellent usability and compatibility because it can be applied by mounting the pellet combustion device as it is without changing the structure of the wood stove of the existing production method, and even if the pellet combustion device fails or the pellet fuel is exhausted, pellets By removing the combustion device and injecting the wood fuel to continue the use of the wood stove, the practicality is excellent, and by making the main air supply and the auxiliary air supply through the pellet combustion apparatus, the thermal power can be increased.

In particular, by extending the main air supply and auxiliary air supply pipelines of the pellet combustion device in the vertical direction to the bottom of the body, combustion air is supplied through a preheating process, so that high-temperature combustion and complete combustion are achieved.

In addition, the present invention provides the advantage of reducing maintenance costs by easily replacing and using only the low-priced wood stove body when recycling resources and the end of the life of the wood stove by manufacturing the main body of the wood stove using a waste drum.

As described above, the present invention is not limited to the specific preferred embodiments described above, and any person skilled in the art to which the present invention pertains may make various modifications without departing from the gist of the present invention as claimed in the claims. It is of course possible to implement, and such modifications are intended to be within the scope of the claims.

100: wood stove combined with pellets 110: drum-type body
111: top plate 112: side plate
113: lower plate 114: ring band
115: ignition mouth 117: re-cleaning mouth
130: firewood inlet
140: exhaust port 150: wheel
160: safety net 200: pellet combustion device
210: top plate 220: pellet supply pipe
230: main air supply pipe 231: inclined section
240: sub air supply pipe 241: auxiliary air supply pipe
250: pellet combustion unit
251: bottom mesh 253: flame guide
260: adjustment cap 270: hopper

Claims (12)

drum-type body;
a firewood inlet of a vertical combustion method that vertically penetrates one side of the upper plate of the drum-type body to form a vertical wood fuel supply pipe extending to the lower part of the drum-type body;
A pellet combustion device of a vertical combustion method that is detachably mounted to the firewood inlet to form a vertical pellet fuel supply pipe extending to the lower part of the drum-type body;
The pellet combustion device,
a top plate mounted to cover the wood inlet of the vertical combustion method;
a pellet supply pipe installed through one side of the top plate in a vertical direction;
a main air supply pipe installed through the top plate at a location spaced apart from the pellet supply pipe by a predetermined distance in the vertical direction;
a sub-supply pipe installed through the top plate in a vertical direction between the main air-supply pipe and the pellet supply pipe; and
Including; a pellet combustion unit installed at the bottom of the pellet supply pipe;
At the upper side of the pellet combustion unit, each end of the pellet supply pipe, the main air supply pipe, and the sub air supply pipe is installed so that the supply air of the combustion air preheated to the ignition point is concentrated, but the pellet combustion unit forms a sloping bottom mesh, Based on the bottom of the drum-type body, the bottom mesh is formed so that the main air supply pipe side is high and the pellet supply pipe side is low. A wood burning stove for pellets with a detachable pellet combustion device for installing a vertical combustion type wood inlet.
According to claim 1,
A combined wood pellet stove having a detachable pellet combustion device for installing a vertical combustion type wood inlet using a combination of a pellet input hopper to the pellet supply pipe.
According to claim 1,
A coal-fired wood stove combined with pellets having a detachable pellet combustion device for installing a vertical combustion type wood inlet that forms handles on both sides of the outer periphery of the top plate.
delete delete According to claim 1,
The pellet combustion unit is installed so that the downwardly inclined direction of the bottom mesh is directed toward the side plate of the drum-type body so that the flame collides with the side plate of the drum-type body and rides the cylindrical inner curved surface to form a flame path that moves in the direction of the exhaust port on the opposite side. A wood-fired wood stove for pellets with a detachable pellet combustion device for installing wood inlet.
7. The method of claim 6,
A coal-fired wood stove with pellets having a detachable pellet combustion device for installing a vertical combustion type wood inlet that forms an ignition port for initial ignition on the side plate of the drum-type main body at a position corresponding to the pellet combustion unit.
7. The method of claim 6,
A pellet combustor having a removable type pellet combustion device for installing a vertical combustion type firewood inlet to form an openable and openable re-cleaning port on the side plate of the drum-type body at a position corresponding to the pellet combustion unit, and to perform initial ignition using the re-cleaning tool Fireplace.
According to claim 1,
A combined wood pellet stove having a removable pellet combustion device for installing a vertical combustion type wood inlet for installing an adjustment cap capable of opening and closing the upper inlets of the main air supply pipe and the sub air supply pipe.
According to claim 1,
The pellet supply pipe, the main air supply pipe, and the sub-supply pipe in order to form a smaller diameter in the order of the vertical combustion type wood wood inlet installation removable wood pellet stove having a removable pellet combustion device.
The method of claim 1,
A combined wood pellet stove having a removable pellet combustion device for installing a vertical combustion type wood inlet in which a plurality of sub-supply pipes are formed.
According to claim 1,
A combined wood pellet stove having a detachable pellet combustion device for installing a wood inlet in a vertical combustion type to form an inclined cross-section with an inclination of about 45 degrees at the lower end of the main air supply pipe so that combustion air is discharged toward the pellet supply pipe.

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