KR101312075B1 - Stove - Google Patents

Abstract

PURPOSE: A heating stove for combusting solid fuels is provided to smoothly combust the fuel in a combusting chamber as the ventilation is smoothly performed even if an inner side of a fuel delivery pipe is blocked by the fuel caused by excessively supplying the fuel. CONSTITUTION: A heating stove for combusting solid fuels comprises a combusting case (110), a fuel supply unit (200), a fuel delivery pipe, a ventilation unit, and a partition (320). A brazier (120) is installed to combust the fuel inside the combusting case. The fuel supply unit is positioned on one side of the combusting case. The fuel delivery pipe connects the brazier and the fuel supply unit and delivers the fuel supplied through the fuel supply unit inside the brazier. The inside of the fuel delivery pipe is divided to a fuel transfer path (317) and a ventilation transfer path (318). The ventilation unit is connected to the fuel delivery pipe. The partition is formed inside the fuel delivery pipe in the longitudinal direction and divides the inside of the fuel delivery pipe.

Description

Solid fuel fired stoves {stove}

The present invention relates to a solid fuel combustion stove that generates heat by burning solid fuel such as wood pellets, in particular, the fuel and blowing is to be made through a single supply pipe, but even when the supply pipe is blocked by over-feeding of fuel, etc. By enabling this to enable the smooth combustion of the fuel to facilitate the consumption of fuel in the supply pipe,

The present invention relates to a technology that prevents a fire, such as a fire caused by additional combustion, by automatically shutting off the air supply or fuel supply when a power supply such as a power failure is cut off.

In general, various types of stoves are used in indoor or outdoor workplaces.

There are two types of stoves, electric heating and fuel combustion, which have a problem of being restricted in the environment where it is difficult to supply electricity, such as the burden of electric bills, and therefore the furnace of fuel combustion type outdoors. Is used a lot.

Fuel-fired hearth is a structure that generates heat by burning fuel such as oil or gas. Oil-burner or gas-fired stove is not only burdened with high fuel cost but also needs to be equipped with surrounding structures necessary for fuel supply. impossible.

Recently, many of the fuel-burning stoves, such as coal or pellets, are used to burn solid fuels, which have a small fuel cost burden and have a simple fuel supply structure.

Such a solid fuel combustion stove is basically composed of a structure in which the solid fuel stored in the fuel reservoir moves along the supply pipe and is fed into the combustion chamber and then combusted.

In addition, the present applicant has also proposed a structure in which a separate blower is connected to a fuel delivery pipe connecting a fuel supply unit and a combustion unit to mix fuel and blowing simultaneously through a single fuel delivery pipe.

However, the structure in which the fuel moves along the fuel delivery pipe and is supplied to the combustion unit is such that when fuel is excessively supplied due to a failure in the combustion of the fuel in the combustion unit or failure of the supply motor of the fuel supply unit, the fuel is delivered. There is a high possibility that the fuel delivery pipe may be clogged because the fuel delivery pipe is filled in the fuel delivery pipe.

In addition, since a structure for detecting and responding to a state in which the interior of the fuel delivery pipe is blocked by fuel has not been proposed, there is a problem that only the user can respond according to the user's recognition.

In addition, conventionally, when the power supply is artificially cut off due to an uninterrupted power interruption or completion of use due to a power failure in the combustion process of the fuel, the combustion of the fuel takes place for a predetermined time in the combustion chamber. In this process, there is a high risk that heat and flames in the combustion chamber are transferred to the fuel storage unit along the supply pipe.

Therefore, in this case, there is a problem that the resulting fire and failure of the supply motor.

In other words, when the power supply is cut off, there is no structure that blocks the flames generated during the combustion process in the combustion chamber from being transferred to other points along the pipe line.

In addition, recently, a structure for first ignition of fuel through an electric heater has been proposed. In the past, since the electric heater is simply exposed to a combustion point, the electric heater cannot be cooled after ignition and remains heated by combustion heat. do.

Therefore, this is a cause of shortening the life of the electric heater.

Republic of Korea Patent Publication No. 10-1080198 Republic of Korea Patent Registration No. 10-1146004

The present invention has been proposed in order to solve the problems of the prior art,

Basically, fuel and blower are supplied through one fuel delivery pipe, but the structure of the fuel delivery pipe is improved, so that even if the inside of the fuel delivery pipe is blocked by the fuel due to the oversupply of fuel, the blowing can be performed smoothly. It is an object of the present invention to provide a solid fuel combustion type stove capable of smoothly burning fuel in a combustion chamber.

In addition, the solid fuel that prevents the risk of fire or breakdown of the supply motor is prevented by preventing the flame and heat generated when burning in the combustion chamber after the use is stopped from being transferred to the fuel storage part through the supply pipe. We want to provide a small stove.

In addition, by providing a structure that can detect whether the fuel is clogged inside the fuel delivery pipe, it is to provide a solid fuel combustion stove that can control the supply of fuel when the fuel delivery pipe is blocked by the fuel.

In addition, it is intended to provide a solid fuel combustion stove that minimizes the risk of electric heater failure by continuously cooling the electric heater during the combustion process after the first ignition.

In addition to improving the installation structure of the combustor to enable easy separation and installation of the combustor and to improve the coupling structure of the combustor and the combustion plate to provide a solid fuel combustion type stove to facilitate the installation and separation of the combustion plate.

In addition, by improving the structure of the combustion case to provide a solid fuel combustion type stove to minimize the phenomenon that the high temperature generation point of the combustion case is damaged by the high temperature.

To this end,

A combustion case in which an oven for combustion of fuel is installed therein, a fuel supply unit located at one side of the combustion case, and a fuel that connects the furnace and the fuel supply unit to move the fuel supplied through the fuel supply unit into the furnace. A delivery plate and a blower connected to the fuel delivery pipe, and a partition plate formed in the fuel delivery pipe along a longitudinal direction to partition an interior of the fuel delivery pipe, and the inside of the fuel delivery pipe based on the partition plate. One side is divided into a fuel movement path connected to the fuel supply unit and a blowing movement path connected to the blower.

And a shutoff control member located at a fuel injection point and a blow supply point near the end of the partition plate in the fuel delivery pipe, which can be rotated through a rotating shaft, and which opens and closes the inlet of the fuel supply part and the fuel movement path during the rotation process. Can be.

The apparatus may further include an electric heater installed to ignite the fuel discharged inside the fuel delivery pipe, wherein the electric heater may be located in a blower movement path of the fuel delivery pipe.

And a reclosing box located under the combustion case and having a space formed therein, wherein the furnace has a ring shape and a lower portion penetrates the upper surface of the reclosing box and a coupling slit is formed at a lower edge thereof. The combustion protrusion is inserted into the mounting ring, and the coupling protrusion formed at the lower end is detachably fastened to the coupling slit, the through-hole is formed on the circumferential surface thereof, and the support jaw is protruded on the inner surface thereof. The surface may include a combustion plate protruding from the vibration induction bar and having a rim seated on the support jaw in a state located inside the combustion box.

In addition, the combustion case is a high heat resistance case seated on the reclosing box in the form surrounding the oven, the upper and lower ends are open, seated on the edge of the high heat resistance case, the upper and lower ends are open, and the high heat resistance case Compared with a low heat resistance case made of a low heat resistant material, the low heat resistance case may include a cover plate seated on the upper end.

And a sealing member disposed on an upper surface of the reclosing box and positioned between a lower fitting rail into which the lower edge of the high heat resistant case is inserted, and an inner bottom surface of the lower fitting rail and the lower edge of the high heat resistant case, and the high heat resistance. It is formed on the upper edge of the case and the connecting fitting rail for inserting the lower edge of the low heat resistance case and the sealing member located between the inner bottom surface of the lower fitting rail and the lower edge of the low heat resistance case, the lower portion of the cover plate It is formed on the surface and may include a top fitting rail that is inserted into the top edge of the low heat resistance case and a sealing member located between the inner top of the top fitting rail and the top edge of the low heat resistance case.

The present invention having these various embodiments,

Basically, fuel and blowing air are supplied to the combustion chamber through one fuel delivery pipe.

As the fuel delivery pipe is divided into the fuel passage and the blow passage by the partition plate, the fuel and the blower are supplied through independent paths.

Even if the fuel is filled in the fuel passage due to oversupply of the fuel, the blower air supply can be smoothly supplied without being affected by the fuel supply path, which leads to smooth fuel combustion in the combustion chamber.

In addition, the opening and closing of the fuel movement path and the blow movement path can be opened and closed by the blocking control member, thereby preventing the supply of fuel and blowing air to the combustion chamber when the power is cut off, and at the same time, the flame or heat generated in the combustion process of the fuel in the combustion chamber is prevented. It can block the transmission to the fuel supply through the fuel delivery pipe has the advantage of preventing the fire and the like accordingly.

And the first ignition of the fuel is made by the heat of the electric heater, the electric heater is located in the blower movement path is continuously contacted with the blowing wind during the combustion process after the ignition, the wind blows the cooling function of the electric heater in parallel As it can, it has the advantage of helping to extend the life of electric heater.

In addition, by installing a fuel sensor in the fuel movement path, if the fuel is filled in the fuel movement path due to the over-supply of fuel, or the combustion rate is reduced, it can detect this to stop the operation of the fuel discharge unit to block the additional supply of fuel, There is also an advantage that can minimize the occurrence of failures.

In addition, when the blockage control member is installed inside the fuel delivery pipe and the fuel delivery pipe is blocked by the fuel due to the oversupply of the fuel, the additional supply of fuel is prevented, so that the fire is prevented and the fuel is introduced into the air supply path. Is prevented.

In addition, the combustor is installed in the re-receiving box through a separate installation ring, and the separation and installation of the combustor can be easily performed through the fastening and separating structure between the combustor and the installation ring, as well as by the renewal of the combined structure of the combustor and the combustion plate. It also has the advantage of easy installation and removal.

In addition, the structure of the combustion case is also improved, and as the material of the combustion case is applied differently according to the temperature deviation of each point in the combustion space, there is an advantage of minimizing the risk of damage to the combustion case due to high temperature.

1 is a perspective view of the entire incision
2 is a full cross-sectional view
Figure 3 is a partially enlarged perspective view showing the structure of the fuel delivery pipe
4 is an exploded perspective view of a fuel delivery pipe and a partition plate;
5 is a perspective view of a fuel delivery pipe;
6 is a sectional front view of the fuel delivery pipe showing the installation structure of the partition plate;
7 is a sectional view of a state in which fuel is filled inside the fuel delivery pipe;
8 is an enlarged cross-sectional view of FIG.
9 is an enlarged cross-sectional view of a state in which blowing air flows into the fuel movement path by the operation of the blocking control member;
10 is a cross-sectional view showing the installation structure of the filter
11 to 19 are diagrams showing a modified example,
11 is a full sectional view
12 is an enlarged cross-sectional view showing the structure of the fuel delivery pipe and the oven.
13 is an enlarged cross-sectional view of a fuel delivery pipe;
14 is an exploded perspective view of FIG. 13;
Figure 15 is a perspective view of the combination of Figure 13
Figure 16 is an exploded perspective view of the oven
Figure 17 is an exploded perspective view showing a coupling state between the installation ring and the combustion chamber
18 is a perspective view of the entire combined oven
19 is a cross-sectional view showing the structure of the combustion case

Hereinafter, specific configurations and effects of the present invention will be described based on the embodiments shown in the drawings.

Solid fuel combustion type of the present invention as shown in [Fig. 1] to [4] large combustion unit 1 and fuel supply unit 200, fuel delivery pipe 300, blower 400, electric heater 500 and the fuel sensor 600 is configured.

First, the combustion unit 1 is a portion in which combustion of fuel is performed and actual heating required for heating is performed. The combustion unit 1 includes a combustion case 110 and an oven 120.

Among them, the combustion case 110 serves to provide a space necessary for combustion, and has a box shape and a structure in which a combustion space 112 is formed therein.

For reference, the shape and size of the combustion case 110 may be variously modified depending on the environment of the place where it is installed.

The oven 120 is installed at the bottom of the combustion space 112 of the combustion case 110. The oven is a portion in which the actual combustion of the fuel 1 is performed in the combustion unit 100. The combustion plate 124 is formed in a structure.

Therefore, the fuel supplied through the fuel delivery pipe 300 to be described later has a structure in which combustion occurs in a state seated on the combustion plate 124.

In this case, a through hole is formed in the combustion plate 124 and a lower container 126 connected to the inside of the combustion box 122 is formed in the lower part of the combustion case so that the burned fuel material may be collected into the reaccommodation box 126. .

For reference, the structure of the oven 120 is not limited to the drawings and may be variously modified as long as the structure enables combustion of solid fuel in the combustion case.

In addition, the combustion case 110 is connected to a separate exhaust pipe 130 so that the combustion gas generated in the combustion process is discharged to the outside through the exhaust pipe 130, the exhaust pipe 130 is arranged in a zigzag form of the combustion gas By maximizing the discharge path, it is possible to utilize the heat of the flue gas as much as possible for heating purposes.

Of course, the formation structure of the exhaust pipe 130 is not necessarily limited thereto, and may be freely deformed and applied to a form having only an external discharge function of the combustion gas.

The fuel supply unit 200 is connected to the combustion unit 100.

The fuel supply unit 200 is a portion in which fuel is stored and supplied for combustion, and is divided into a fuel storage unit 210 and a fuel discharge unit 220.

Among them, the fuel storage unit 210 is formed in the form of a box and a fuel storage space 212 in the form of a pulpo inside.

In this state, the fuel is discharged to the outside through the fuel discharge unit 220 to be described later in a state accommodated in the fuel storage space (212).

The fuel discharge unit 220 constituting the fuel supply unit 200 together with the fuel storage unit 210 serves to discharge the fuel contained in the fuel storage space 212 and supply the fuel to the combustion unit 100. It comprises a discharge pipe 222 and the drive motor 224 and the transfer screw 226.

Among them, the discharge pipe 222 serves as a path through which the fuel discharged from the fuel storage space 212 passes just before being supplied to the fuel delivery pipe 300 to be described later, and has an inlet connected to the fuel storage space 212. do.

In addition, the transfer screw 226 serves to transfer the fuel introduced into the discharge pipe 222 toward the fuel delivery pipe 300 which will be described later by a predetermined amount, and a general screw structure is applied and positioned inside the discharge pipe 222. In both ends is installed to be rotatable inside the discharge pipe (222).

In addition, the driving motor 224, which is the last element constituting the fuel discharge unit 220, serves to provide a driving force necessary for the rotation of the transfer screw 226. A general dc or ac motor is used and is located at one side of the discharge pipe 222. The motor shaft is installed in a structure connected to one end of the transfer screw 226 in the state.

The fuel discharged into the discharge pipe 222 through the fuel storage space 212 by this structure is transferred to one side outlet by the rotation of the transfer screw 226 and then introduced into the fuel delivery pipe 300 to be described later Have

In addition, the driving motor 224 may be connected to a separate timer (not shown) so that the driving motor 224 is operated at a set time interval so that fuel is discharged at a corresponding time.

For reference, the structure of the fuel discharge unit 220 is not limited to the above description and the drawings, and various modifications can be made if the fuel contained in the fuel storage space can be transferred to the fuel delivery pipe 300 to be described later by electrical operation. Can be implemented.

The fuel supply unit 200 described above is connected to the combustion unit 100 through a separate fuel delivery pipe 300.

The fuel delivery pipe 300 serves to transfer the fuel supplied through the fuel supply unit 200 and the blowing wind of the blower 400, which will be described later, into the combustion chamber of the combustion unit 100 and transmit the same. As shown in FIG. 6, the pipe case 310 and the partition plate 320 are configured again.

The pipe case 310 serves as a movement path of the fuel discharged through the fuel discharge unit 220 and the air blowing described later, and the first pipe 312 and the second pipe 314 and the third pipe 316 again. It is divided into two parts.

The first pipe 312 serves as a connection function between the fuel delivery pipe 300 and the fuel discharge part 220 and at the same time the fuel transferred from the fuel discharge part 220 is first introduced into the fuel delivery pipe 300. In the form of a simple circular hollow tube, one end of the flange 313 is formed, it is installed in a structure connected to the discharge pipe 222 through the flange 313.

The second pipe 314 serves to connect the first pipe 312 and the third pipe 316, which will be described later, to serve as an actual movement path of fuel and blowing wind. It is installed in a structure connected to the end of the pipe (312).

That is, as shown in the drawing, the second pipe 314 is formed to extend in the longitudinal direction from one end of the first pipe 312.

Finally, the third pipe 316 serves as a connection function between the fuel delivery pipe 300 and the combustion unit 100 and serves as a final discharge path of the fuel moved through the second pipe 314. The additional second pipe 314 is installed in a structure connected to the lower end.

That is, the third pipe 316 is installed in a structure extending in the longitudinal direction from the end of the second pipe 314, the third pipe 316 is located in the combustion space 112 of the combustion unit 100 The lower end is installed in a state connected to the combustion chamber 122.

At this time, the third pipe 316 is formed to be bent toward one side as a whole to enable the end is smoothly connected to the combustion chamber (122).

As described above, the piping case 310 has one elongated piping structure as a whole, and has a structure that is dividedly connected by the first, second, and third pipes 312, 314, and 316 for each section.

The first, second, and third pipes 312, 314 and 316 are connected to each connecting end through a bolt (B) as shown in the drawing, or to form a screw thread at each connecting end to be screwed together. Or the like.

The reason why the piping case 310 is manufactured in this way is to smoothly install the partition plate 320 to be described later in the second pipe 314 during the manufacturing process, and affects the installation of the partition plate 320 to be described later. If not, the pipe case 310 may be manufactured in a single pipe structure.

The partition case 320 is installed in the pipe case 310.

The partition plate 320 serves to independently form the fuel supply path and the blowing air supply path in the pipe case 310, and is divided into an inlet blocking plate 322 and a path partitioning plate 324. do.

First, the path partition plate 324 serves to form the fuel movement path 317 and the blowing movement path 318 in a mutually independent space form by dividing the inside of the second pipe 314 to have a predetermined thickness. It is installed in the form of a plate having a length substantially the same as the second pipe 314 and inserted along the longitudinal direction in the second pipe (314).

At this time, the path partition plate 324 is installed in a form crossing the center point of the second pipe 314, the inside of the second pipe 314 is divided into both sides around the path block plate 324, the path One side of the partition plate 324 is divided into a fuel movement path 317 for the movement of fuel is formed and the air flow passage 318 for movement of the blowing wind is formed on the opposite side.

For reference, when the path partition plate 324 is installed to cross the center point of the second pipe 314, the air flow passage 318 and the fuel flow passage 317 are formed to have the same diameter. If the difference between the supply amount is required to adjust the position of the path partition plate 324 can form a diameter difference between the blowing movement path 318 and the fuel movement path (317).

In addition, the inlet blocking plate 322 constituting the partition plate 320 together with the path partition plate 324 installed in this way is supplied to the blowing movement path 318 of the second pipe 314 by the fuel introduced into the first pipe 312. It serves to guide the flow into only the fuel movement path 317 is not introduced, it is located in the form of a simple plate and connected to the upper end of the path partition plate 324 of the inside of the second pipe (314).

At this time, the inlet blocking plate 322 is positioned in a structure perpendicular to the path partitioning plate 324 so that the lower end is connected to the corresponding end of the path partitioning plate 324 in a vertically bent state and the edge of the end-to-end is blown. It is installed in close contact with the inlet inner wall surface of the moving path 318 through welding or the like.

Due to this structure, the fuel movement path 317 and the blowing movement path 318, which are independent of each other, have a structure in which the fuel pipe 317 and the air blowing path 318 are separated from each other based on the path partition plate 324, thereby discharging the fuel. The fuel discharged through the discharge pipe 222 of the unit 220 is a path that can be introduced only into the fuel movement path 317 by the inlet blocking plate 322.

In this state, a blowing inlet hole 314a for connection with the blowing unit 400 to be described later and an introduction of the blowing wind are formed at the point where the blowing movement path 318 is formed among the circumferential surfaces of the second pipe 314.

The blower 400 is further provided while the fuel delivery pipe 300 is installed in this state.

The blowing unit 400 serves to supply the blowing wind required for fuel combustion to the combustion chamber, and has a structure in which one end of the blowing pipe 420 is connected to a general blowing fan 410.

At this time, the other end of the blower pipe 420 is connected to the blower inlet hole 314a of the second pipe 314 so that the blowing wind generated from the blower fan 410 is the blower movement path 318 of the second pipe 314. ) Has a structure to be supplied.

 As described above, the present invention has a structure in which the fuel supply unit 200 and the combustion unit 100 are connected to each other through one fuel delivery pipe 300 to supply fuel and blowing air, and the fuel moves in one fuel delivery pipe 300. As the furnace 317 and the blowing movement path 318 form a mutually independent space, the fuel and the blowing wind are supplied to the combustion chamber through separate paths.

The electric heater 500 is further installed in the fuel delivery pipe 300 installed as described above.

The electric heater 500 serves as an initial ignition function of the fuel supplied to the combustion unit 100, and a general heating heater is used, and a heating element having a rod shape in front of the heater body 510 in a block form connected to an external power source ( 520 is made of a connected structure.

The electric heater 500 is installed on the discharge point of the blowing passage 318 in the fuel delivery pipe 300, the reason for placing the electric heater in the blowing passage 318 is continuously in the combustion process This is to use the supplied blowing wind for cooling the electric heater.

Additional description on this will be mentioned in the operation description process to be described later.

In the second pipe 314, a heater fixing part 326 for installing the electric heater 500 in the second pipe 314 is further installed.

The heater fixing part 326 is integrally formed at the intermediate point of the end of the path partition plate 324, and is formed in a structure in which an insertion groove 327 for inserting the heater body 510 is formed on the upper surface.

Therefore, in the electric heater 500, the heater body 510 is inserted into the insertion groove 327 of the heater fixing part 326, and the heating element 520 protrudes out of the second pipe 314 so that the third pipe 316 is disposed. Installed in the form located inside.

By this structure, the heater main body 510 in which the electric circuit and the like are installed in the electric heater 500 is installed in the air flow passage 318.

For reference, the structure of the heater fixing part 326 is not limited to the structure shown in the above description and the drawings, and may be variously modified according to the structure of the electric heater, such that the electric circuit of the electric heater is a blower movement path 318. It is important to be located within and be installed in contact with the blowing wind.

The fuel sensor 300 is installed in the fuel delivery pipe 300 installed up to the heater fixing part 326.

The fuel sensor 600 detects when the fuel is filled in the fuel delivery pipe 300 when the fuel is excessively supplied due to a decrease in combustion efficiency or a malfunction of the fuel discharge unit 220 during the supply and combustion of the fuel. To control the discharge of fuel,

It is made of a general proximity sensor structure and is installed in a structure connected to the drive motor 224 of the fuel discharge unit 220 in a state located in the second pipe (314).

In this case, the fuel sensor 600 detects a state in which the fuel is filled in the fuel passage 317 as the fuel pipe 600 is positioned on the wall of the fuel passage 317 of the second pipe 314.

Due to this structure, if the fuel is not discharged smoothly into the combustion unit 100 through the fuel delivery pipe 300 and is excessively filled in the fuel delivery pipe 300, the fuel detection sensor 600 detects the driving motor ( By controlling the operation of the 224 has a structure to cut off or restart the fuel supply.

For reference, in addition to the proximity sensor, the fuel sensor 600 may be applied in the form of a limit switch, and the like may be implemented in the form of detecting the fuel when the fuel is filled in the fuel delivery pipe and in contact with the fuel sensor.

Hereinafter, the operation of the present invention based on such a configuration and the unique effects generated in the process will be described.

First, when the driving motor 224 of the fuel discharge unit 220 is operated in a state in which fuel such as pellets or coal is accommodated in the fuel storage space 212 of the fuel supply unit 200, the discharge pipe 222 from the fuel storage space 212. The fuel discharged to) is moved by the transfer screw 226 to be discharged into the first pipe 312 of the fuel delivery pipe 300.

The fuel introduced into the first pipe 312 passes through the first pipe 312 and at the same time, the blowing passage 318 of the second pipe 314 by the inlet blocking plate 322 of the partition plate 320. It does not flow into the fuel flow path 317 of the second pipe 314 is introduced.

In this process, the blowing wind generated through the blowing unit 400 is moved along the blowing pipe 420 and then the blowing movement path of the second pipe 314 through the blowing inlet hole 314a of the second pipe 314. 318 is entered.

The fuel and the blowing wind introduced into the second pipe 314 are moved along the separate paths along the fuel movement path 317 and the blowing movement path 318, respectively, and then the oven 120 through the third pipe 316. At the same time discharged into.

In this way, the heating element 520 of the electric heater 500 is heated in the process of the initial fuel supply is performed to ignite the fuel in the furnace, the blowing wind is continuously supplied to help ignition and combustion of the fuel.

The electric heater stops heating after the initial ignition of the fuel is completed, at this time, since the heater body 510 of the electric heater 500 is located in the air flow passage 318 as described above, the heater body 510 after the completion of the ignition. ) Is in continuous contact with the blowing wind discharged through the blowing movement path 318.

As a result, the heater body 510 is actively cooled itself after completion of ignition unlike the existing one, thereby minimizing the risk of failure of the electric heater compared to the conventional one.

Thereafter, the fuel supply by the above process is repeated every set time, and if the fuel combustion in the combustion unit 100 is delayed or the fuel is excessively supplied due to the failure of the driving motor, etc. When generated as, the phenomenon that the fuel is not exhausted in the furnace, the fuel is filled in the fuel delivery pipe 300 occurs.

Therefore, in this case, the fuel fills the fuel movement path 317 of the fuel delivery pipe 300, while the blowing wind is normally discharged along the blowing movement path 318 formed separately from the fuel movement path 317.

Therefore, in the present invention, even if the fuel is filled in the fuel delivery pipe 300 will not interfere with the discharge of the blowing wind at all.

In other words, in the past, as the fuel is filled in the entire fuel delivery pipe, the blowing wind is not smoothly discharged, so it is difficult to discharge the blowing air required for the combustion of the fuel in the oven, so that the combustion of the fuel is reduced. ,

According to the present invention, since the movement path of the fuel and the movement path of the blowing wind are separately formed in the fuel delivery pipe, even if the fuel fills the delivery pipe, the discharge of the blowing wind is not affected at all.

Therefore, since the blowing wind is smoothly discharged, the blowing required for fuel combustion in the furnace can be performed normally.

In this state, even when the fuel is filled in the fuel delivery pipe, the normal combustion allows the fuel to be normally burned in the oven, so that the fuel can be smoothly discharged in the fuel delivery pipe.

As described above, the present invention divides the inside of the fuel delivery pipe through the partition plate so that the movement path of the fuel and the movement path of the blowing wind are formed independently of each other, so that normal blowing can be maintained even when the fuel fills the fuel delivery pipe. The main feature is to maintain the normal fuel combustion efficiency in the oven.

In addition, by placing the electric heater used for ignition of the fuel in the air flow path to increase the cooling efficiency of the electric heater after ignition, it is another feature to minimize the failure rate of the electric heater.

If the fuel is excessively filled in the fuel passage 317 as shown in FIG. 7 and the fuel supply is to be stopped further, if the amount of fuel in the fuel passage 317 reaches a certain level, the fuel is detected by the fuel sensor ( At the same time as being detected by the 600, the operation of the drive motor is stopped by giving a stop signal to the drive motor 224.

Therefore, when further fuel supply is cut off and combustion is performed only with fuel in the fuel delivery pipe 300, and when the fuel in the fuel delivery pipe is discharged to the normal level, the fuel sensor detects this and restarts the driving motor to resume normal operation. Ensure fuel supply.

For reference, the operation control of the drive motor by the fuel sensor is to control only whether the drive motor is stopped by cutting off the power supply of the drive motor, or to normal power supply after stopping the operation as described above. It can also be controlled to return to operation.

8 is a view related to another embodiment of the present invention.

This embodiment is an embodiment in which a separate blocking control member 700 in the piping case 310 to block the heat and flame generated by the combustion of the fuel in the pipe when the fuel supply is blocked, to spread upward.

The blocking control member 700 installed for this purpose is installed in a disk shape having a diameter substantially the same as the inner diameter of the pipe case 310 and rotatable about the hinge in a state located inside the pipe case.

At this time, the hinge of the blocking control member 700 is connected to a drive member (not shown) such as a separate solenoid and has a structure in which the blocking control member 700 can rotate around the hinge by the operation of the driving member.

Therefore, the fuel supply path is normally opened by the blocking control member 700 in the process of flowing fuel as usual [FIG. 9], the fuel is normally introduced, the fuel inside the piping case is blocked, the fuel in the piping case is burned, and the combustion heat and If the flame spreads above the inside of the pipe case, that is, toward the drive motor,

The hinge is rotated due to the operation of the drive member, which causes the blocking control member 700 to rotate about the hinge to block the fuel supply path inlet as shown in the drawing.

Therefore, the heat and flame inside the piping case is blocked further by the blocking control member 700.

As a result, the phenomenon in which the driving motor is broken by a flame or the like is blocked, and an accident caused by other flames is also prevented.

10 is a view showing another embodiment of the present invention.

As shown in the figure, the filter F is installed in the combustion space 112, but the filter F is disposed in a zigzag form around the exhaust pipe 130.

At this time, one end of each filter (F) is not in close contact with the inner wall of the combustion space 112, but the pattern is applied to each filter in a zigzag form.

Therefore, exhaust heat and dust generated as fuel is combusted in the combustion space rises upwards and passes through the gaps between the ends of the filter and the inner wall of the combustion space sequentially while passing through each filter. It flows into the upper part.

As the exhaust heat is moved in a zigzag form, the filtering effect of dust increases in the course of passing through each filter, and the heat efficiency of the exhaust heat stays in the combustion space increases, thereby increasing the thermal efficiency.

11 to 19 are diagrams showing still another embodiment of the present invention.

Basically, by installing the partition plate 320 inside the fuel delivery pipe 300, the basic structure for supplying fuel and blowing air into the combustion chamber 122 through separate paths is the same as the above embodiments.

On the other hand, by improving the structure of the fuel delivery pipe 300 to implement a different blowing and fuel supply path and to modify the structure of the combustion chamber 122 and the combustion plate 124 to implement a different installation structure, as well as the combustion case 110 ) Is also different from the modified one.

In the present embodiment, the fuel delivery pipe 300 is divided into a first pipe 312, a second pipe 314, and a third pipe 316 as in the above embodiment.

At this time, the structure of the second pipe 314 and the third pipe 316 is the same as the above embodiment while the structure of the first pipe 312 is implemented differently.

In more detail, unlike the first pipe 312 of the above embodiment in which the upper end portion of the first pipe 312 of the present embodiment is connected to the lower portion of the discharge pipe 222, the first pipe 312 may be in line with the fuel discharge path of the discharge pipe 222. Connected.

To this end, the first pipe 312 of the present embodiment has a structure in which the three-way pipe, that is, the front end, the rear end, and the upper end are opened as shown in FIGS. 11 to 14.

At this time, the front end is inclined in accordance with the inclination of the second pipe and the rear open portion is connected to the discharge pipe 222 in the form of the front end of the discharge pipe 222 is inserted.

In this case, the transfer screw 226 is formed to be shorter than the length of the discharge pipe 222, the fuel in the discharge pipe 222 is always filled from the point where the transfer screw 226 is located to the front end of the discharge pipe 222, In this state, the feed screw 226 has a structure flowing into the first pipe 312 by a predetermined amount.

In the above embodiment, the blower pipe 420 is connected to the second pipe 314 to directly flow into the blower movement path 318 in the second pipe 314, but in this embodiment, the end of the blower pipe 420 Air is supplied to the upper opening of the first pipe 312 through the front opening of the first pipe 312, the blowing movement path 318 and the fuel movement path 317 in the second pipe 314 To be introduced at the same time.

In this state, the front end of the first pipe 312 is connected to the connection ring 800 for connection with the second pipe 314 and the installation of the smoke blocking control member 700 to be described later.

The connection ring 800 is formed in a ring shape in which the outer diameter is smaller than the inner diameter of the front opening of the first pipe 312 and the rear end is inserted into the front opening of the first pipe 312.

At this time, the blocking control member 700 is installed in the connection ring 800, and the blocking control member 700 penetrates both sides of the connection ring 800 at both ends while the rotating shaft 710 is located inside the connection ring 800. It is installed so as to be rotatable about the through point, and the middle point of the rotating shaft 710 is made of a structure in which the central point of one side of the rotational blocking plate 730 in the form of a disc.

Accordingly, the rotation blocking plate 730 is rotatable in the connection ring 800 together with the rotation shaft 710, and the advance of the rotation blocking plate 730 is made almost the same as the inner diameter of the connection ring 800. The rotation blocking plate 730 blocks or opens the intermediate point of the connection ring 800 in the rotation process.

At this time, the locking jaw 810 is formed at the middle point of the inner surface of the connection ring 800 so that the rotational blocking plate 730 can be rotated about 90 degrees only in one direction, so that the edge of the locking ring 810 is locked during the rotation process. When caught, it can no longer be rotated and the connection ring 800 can be completely blocked inside.

In this state, one end of the rotating shaft 710 passes through the connection ring 800 and then protrudes to the outside. In this state, the connection piece 720 is connected to the corresponding end, and one end of the connection piece 720 is separately provided. A driving member (not shown) such as a solenoid of the is connected.

Therefore, when the connecting piece 720 is rotated by the operation of the driving member (not shown), the rotating shaft 710 and the rotating blocking plate 730 are rotated together.

In addition, the driving member (not shown) is electrically connected to the fuel sensor 600 installed in the first pipe 312 is controlled whether the operation,

Therefore, when the fuel inside the fuel delivery pipe is filled to the point where the fuel detection sensor 600 is located due to the combustion failure or the excessive supply of the fuel and contacts the fuel detection sensor 600, the driving member (not shown) is operated to rotate the blocking plate. As 730 blocks the inside of the connection ring 800, fuel is blocked from flowing into the second pipe and heat or flame in the furnace and the second pipe flows into the first pipe 312 and the discharge pipe 222. Can be prevented.

At the same time, the supply of blowing air is also blocked by the rotation blocking plate 730, so that the combustion progress in the furnace can be stopped.

In addition, the driving member (not shown) is also connected to the blower fan 410 and the blower control is blocked by the blower supply path as the blower supply is blocked and the power supply is blocked at the same time.

Therefore, in this state, the flame or heat generated in the combustion process in the combustion chamber can be prevented from being transferred to the fuel supply unit through the fuel delivery pipe, thereby preventing a fire or a failure of the supply motor.

The second ring 314 is connected to the connection ring 800 installed in this way, and the front end portion of the connection ring 800 is connected to the rear end portion of the second pipe 314.

The front end of the third pipe 316 is positioned at the front end of the second pipe 314 so that the front end of the third pipe 316 faces the upper side of the oven.

In this state, a partition plate 320 for dividing the fuel flow path 317 and the blowing flow path 318 is installed in the second pipe 314 inside the second pipe 314 as in the above embodiment.

And the electric heater 500 is installed at the front end of the partition plate as in the above embodiment.

At this time, the partition plate 320 in the present embodiment has a structure in which the inlet blocking plate 322 formed at the rear end of the partition plate 320 in the above embodiment is removed.

Therefore, when the blowing block is supplied in a state in which the rotation blocking plate 730 opens the connection ring 800, the blowing is introduced into both the blowing flow path 318 and the fuel flow path 317, which is different from the above embodiment. .

However, the fuel discharged from the discharge pipe 222 is blocked from flowing into the blowing movement path 318 by the rotating block plate 730 is rotated to flow only into the fuel movement path 317 is moved.

As the blowing is introduced into the blowing movement path 318 and the fuel movement path 317 at the same time, the blowing flow introduced into the blowing movement path 318 serves as a cooling function of the electric heater 500 and supplies oxygen for combustion. In addition, the blowing air introduced into the fuel movement path 318 may be capable of inducing a smooth movement of fuel as well as a cooling function and a combustion promoting function of the electric heater 500.

The first pipe 316 of the fuel delivery pipe 300 described above is installed in the state inserted into the upper end of the combustion chamber 122 of the oven 120.

11, 12, and 16 to 18 are views showing a modification of the oven 120 structure,

The oven 120 in the present embodiment is basically the same concept that the combustion plate 124 is installed in the state inserted into the combustion chamber 122 as in the above embodiment, but additional installation ring 128 is further installed Therefore, there is a difference in that the installation structure and the disassembly of the combustion chamber 122 and the combustion plate 124 are easily improved, and the internal structure of the combustion plate 124 is also improved to facilitate reprocessing on the combustion plate.

In more detail, the newly added installation ring 128 has a function of enabling the separation of the combustion chamber 122 together with the installation medium function of the combustion chamber 122.

12 and the circumferential surface is re-received by welding in a state in which the ring is entirely in the ring shape and the section is inserted into the upper hole of the re-receiving box 126 as shown in FIGS. 126).

A coupling slit 128a is formed at the bottom edge of the mounting ring 128, and the coupling slit 128a is formed with a vertical incision section 128b cut in an upward vertical direction from the bottom edge of the mounting ring 128 and is vertical. At the upper end of the cutting section 128b has a structure in which a horizontal cutting section 128c is bent at right angles along the circumferential surface of the mounting ring 128 again.

And the coupling slit 128a is arranged at intervals along the circumferential surface of the mounting ring 128.

At this time, the welding point with the re-receiving box 126 of the circumferential surface of the mounting ring 128 is to be above the upper end of the coupling slit 128a, so that the coupling slit 128a is exposed inside the re-receiving box 126. Is located.

Combustion box 122 of this embodiment is installed through the installation ring 128, unlike the above embodiment that was directly installed in the re-receiving box 126,

And in the present embodiment, the combustion chamber 122 is in the form of a circular tube with an open top, but the outer diameter is made smaller than the inner diameter of the mounting ring 128, penetrating through the lower end of the mounting ring 128 from the upper end inside the mounting ring 128 Inserted into the insertion section and the upper section of the insertion section is installed in the form of protruding to the re-receiving box 126.

At this time, the coupling protrusion 122a is formed to protrude around the section inserted into the installation ring 128 of the combustion chamber 122, and the coupling protrusion 122a is formed at intervals along the circumferential surface of the combustion chamber 122. The spacing between the engaging projections 122a is the same as the spacing between the engaging slits 128a of the mounting ring 128.

In this state, as each coupling protrusion 122a of the combustion chamber 122 is fitted into each coupling slit 128a of the installation ring 128, the combustion chamber 122 is installed in a state spanning the interior of the installation ring 128. And a section protruding upward from the installation ring is located in the combustion space 112 in the combustion case 110.

The coupling structure between the coupling protrusion 122a and the coupling slit 128a, as shown in FIG. 16, allows each coupling protrusion 122a to be coupled to each coupling slit in the process of passing the combustion chamber 122 through the lower end of the mounting ring 128. 128a) to the upper end of the vertical incision section 128b.

Then, as shown in FIG. 17, the combustion chamber 122 is rotated at an angle so that each of the coupling protrusions 122a is fitted into the horizontal cutout section 128c of the coupling slit 128a. By the coupling between the projection 122a and the horizontal incision section 128c, the installation state is maintained in a spanned manner without falling down.

Therefore, when the user needs to maintain or clean the combustion chamber, the user rotates the combustion chamber 122 at an angle in the opposite direction so that the coupling protrusion 122a is positioned at the upper end of the vertical incision section 128b of the coupling slit 128a. When lowered, the entire combustion chamber 122 can be separated downward through the lower end of the installation ring 128.

That is, when the combustion chamber is installed through the installation ring, the separation and assembly structure of the combustion chamber is easy, and thus the maintenance of the combustion chamber 122 is facilitated.

The base jaw 122b for seating installation of the combustion plate 124 to be described later is formed at the bottom of the inner wall surface of the combustion chamber 122 installed as described above, and the base jaw 122b is formed on the entire inner circumferential surface of the inner wall of the combustion chamber 122. It may be formed or may be formed at intervals along the inner circumferential surface as shown in FIG. 12 and FIG.

In addition, through-circuit holes 122c are formed on the circumferential surface of the combustion box 122 so that heat generated in the combustion process is discharged into the combustion space 112.

In this state, the combustion chamber 122 is installed in the combustion chamber 122.

The combustion plate 124 is a portion in which the fuel discharged from the fuel delivery pipe 300 is seated and combusted as mentioned in the above embodiment, and is formed of a plate structure which rises upward toward the center and has a plurality of ashes on the upper surface. The discharge holes 124a are formed to penetrate to the lower surface.

In the present embodiment, the combustion plate 124 has a vibration induction rod 124b formed at the center of the lower surface of the combustion plate 124. The vibration induction rod 124b serves as a handle for the user to shake the entire combustion plate 124. By doing so, it is formed in the form of a rod having a predetermined length and the upper end portion projecting downward in the state integrally connected to the center of the lower surface of the combustion plate 124.

At this time, the lower end of the vibration induction rod 124b is fitted with a gripping rod 124c to serve as a real handle.

Such a combustion plate 124 is a support jaw inside the combustion 2 124 in the state that the edge is inserted into the combustion chamber 122 through the upper portion of the combustion chamber 122, as shown in [17] and [FIG. 18]. 122b).

As the combustion plate 124 is simply installed on the base 122b of the combustion chamber 122, when the user simply lifts the combustion plate 124 out of the combustion chamber when the maintenance or cleaning is necessary, Therefore, it has the advantage of easy disassembly.

In this state, the lower end portion of the vibration induction rod 124b connected to the combustion plate 124 penetrates through the lower portion of the installation ring 128 to be in a state where the gripping rod 124c is exposed in the re-receiving container 126.

In this state, if the user wants to drop the ash accumulated on the combustion plate 124 into the receptacle 126, the user grabs the holding rod 124c and shakes the entire combustion plate so that the ash in the upper portion of the through hole 122c. Will fall down.

That is, since the combustion plate 124 is simply seated inside the combustion chamber 122, it can be easily shaken.

19 is a view showing a structural modification of the combustion case 110, while conventionally the entire combustion case is made of a box of the same material, such as stainless steel, whereas in the present embodiment the material of the combustion case 110 in parts It is a structure that is implemented through the assembly structure for each part different.

More specifically, the combustion case 110 of the present embodiment has a combustion space 112 formed therein as the lower case is opened in the form of a box and the lower end is mounted on the re-receiving box 126 as before. .

At this time, the lower fitting rail 114 is formed on the upper surface of the reclosing box 126, and the lower edge of the combustion case 110 is seated in the inserted state in the lower fitting rail 114, wherein the lower edge of the combustion case 110 and Between the inner bottom surface of the lower fitting rail 114, a sealing member 115 for a sealing function is formed.

For reference, the sealing member 115 uses a material that can withstand high temperatures such as ceramic.

At this time, the combustion case 110 in the present embodiment is formed of a high heat-resistant case (110a) made of a material that is not made of the same material as a whole, but can endure a certain section from the bottom toward the top at a high temperature and the upper section is relatively As a result, a low heat resistance case 110b made of a material having low heat resistance is formed.

In this case, a connection fitting rail 116 having the same structure as the lower fitting rail 114 is formed at the upper edge of the high heat resistance case 110a, and a low heat resistance case 110b is positioned at the top of the high heat resistance case 110a. The lower edge of the case 110b is installed in a form fitted to the connection fitting rail 116.

In this case, the sealing member 115 is formed between the lower edge of the low heat resistance case 110b and the inner bottom surface of the connection fitting rail 116 to maintain airtightness.

In this state, the cover plate 140 is seated on the top of the low heat resistant case 110b to block the upper portion of the low heat resistant case 110b, and the top fitting rail 117 is formed on the lower surface of the cover plate 140. The upper edges of the heat resistant case 110b are coupled to each other in a form fitted to the upper fitting rail 117.

At this time, the sealing member 115 is installed between the inner top of the upper fitting rail () and the upper edge of the low heat resistance case (110b).

The reason why the combustion case 110 is divided into upper and lower heat resistant cases 110a and low heat resistant cases 110b is produced.

Since the vicinity of the combustion chamber 122 is the highest temperature in the combustion space 112, the section from the lower end of the combustion case 110 to a point similar to the height of the combustion chamber 122 is made of heat using a material having high heat resistance. Minimize the damage caused by, and the relatively low temperature is formed in the lower point of the damage is to use a relatively low heat-resistant material.

Thus, by using different materials for each part of the combustion case according to the temperature distribution diagram, it is possible to prevent breakage of the high temperature point and to reduce the manufacturing cost compared to realizing the entire combustion case with a high heat resistant material.

As described above, the present invention basically installs a partition plate inside the fuel delivery pipe so that the fuel supply path and the air supply path of the blower are divided to increase the cooling efficiency of the fuel installed at the end of the fuel delivery pipe, as well as to overload the fuel. Even though the fuel delivery and the interior are blocked by the air, the blowing is smoothly supplied so that the combustion of fuel in the combustion box can be made smoothly.

In addition, by installing the blocking control member inside the fuel delivery pipe, if the inside of the fuel delivery pipe is blocked by the fuel due to excessive supply of fuel, the fuel can be prevented from being fired by blocking the additional supply of fuel and the fuel supply path Another feature is that one point to prevent the flow into.

In addition, the combustor is installed in the re-receiving box through a separate installation ring, so that the separation and installation of the combustor can be easily carried out through the fastening separation structure between the combustor and the installation ring. Another feature is that it facilitates the installation and removal of.

In addition, the structure of the combustion case is improved to minimize the risk of damage to the combustion case due to the high temperature by applying different materials of the combustion case according to the temperature deviation of each point in the combustion space.

Various features of the present invention described above may be variously modified or combined by those skilled in the art, but such modifications and combinations may be performed at the same time to supply fuel and blowing air through a single pipe, but the movement path of the fuel in the pipe and the blowing wind may be As the movement path is divided, the present invention is related to the configuration and the purpose of allowing fuel supply in the combustion chamber to be normally performed by supplying a blower wind at all times regardless of the state of filling the fuel in the pipe. It should be considered that it belongs to the protection scope of.

100: combustion unit 110: combustion case
110a: high heat resistance case 110b: low heat resistance case
112: combustion space 114: lower fitting rail
115: sealing member 116: connecting rail
117: top mounting rail 120: oven
122: combustion chamber 122a: coupling protrusion
122b: Base jaw 122c: Through hole
124: combustion plate 124a: ash discharge hole
124b: vibration induction rod 124c: gripping rod
126: reacceptance 128: mounting ring
128a: combined slit 128b: vertical incision section
128c: horizontal incision section 130: exhaust pipe
140: cover plate
200: fuel supply unit 210: fuel storage unit
212: fuel storage space 220: fuel discharge unit
222: discharge pipe 224: drive motor
226: transfer screw 300: fuel delivery pipe
310: piping case 312: first piping
313: flange 314: second piping
314a: air inflow hole
316: third pipe B: bolt
317: fuel flow path 318: breeze flow path
320: partition plate 322: inlet blocking plate
324: path block 326: heater fixing section
327: insertion groove 400: blower
410: blower fan 420: blower pipe
500: electric heater 510: heater body
520: heating element 600: fuel sensor
700: blocking control member 710: rotating shaft
720: Connection 730: Interlocking Block
800: connecting ring

Claims (6)

Combustion case is installed inside the furnace for the combustion of fuel,
A fuel supply unit located at one side of the combustion case,
A fuel delivery pipe and a blower connected to the fuel delivery pipe so as to connect the furnace and the fuel supply part to move the fuel supplied through the fuel supply part into the furnace;
A partition plate formed in the fuel delivery pipe along a longitudinal direction and partitioning an interior of the fuel delivery pipe;
The inside of the fuel delivery pipe is divided into a fuel movement path connected to the fuel supply part and a ventilation movement path connected to the blower part at one side of the partition plate.
Solid fuel combustion stoves.
In claim 1,
It is located in the fuel injection point and the blowing supply point near the end of the partition plate inside the fuel delivery pipe, and can be rotated through the rotating shaft, the blocking control member for opening and closing the inlet of the fuel supply unit and the fuel passage in the rotation process
Solid fuel combustion stove further comprising a.
3. The method according to claim 1 or 2,
Further comprising an electric heater installed in the fuel delivery pipe to ignite the discharged fuel,
The electric heater is located in the blowing passage of the fuel delivery pipe.
Solid fuel combustion stoves.
In claim 1,
Further comprising a re-receiving box is located below the combustion case and a space is formed therein,
In the furnace,
Ring is installed in the lower part of the penetrating the upper surface of the re-receiving box, the coupling ring is formed in the lower edge,
Combustion is inserted through the installation ring and the engaging projection formed on the lower end is fastened so as to be detachable to the coupling slit, the through-hole is formed on the circumferential surface and the protruding projection is formed on the inner surface,
Combustion plate in the form of a plate, the lower surface is formed with a vibration induction rod protruding and the rim is seated on the base jaw in the state located inside the combustion chamber
Containing
Solid fuel combustion stoves.
5. The method of claim 4,
The combustion case,
High heat-resistant case seated on the reclosing box in the form surrounding the oven and open upper and lower ends,
A low heat resistance case made of a low heat resistance material, which is seated on the edge of the high heat resistance case and has an open upper and lower ends, compared to the high heat resistance case.
Cover plate seated on the upper portion of the low heat resistance case
Solid fuel combustion stove comprising a.
The method of claim 5,
A sealing member positioned on an upper surface of the reclosing box and positioned between a bottom fitting rail into which the bottom edge of the high heat resistant case is inserted, and an inner bottom surface of the bottom fitting rail and a bottom edge of the high heat resistant case;
A sealing member formed on an upper edge of the high heat resistant case and positioned between a connection fitting rail into which the lower edge of the low heat resistant case is inserted, and an inner bottom surface of the lower fitting rail and a lower edge of the low heat resistant case;
It is formed on the lower surface of the cover plate and the sealing member which is located between the upper end of the upper insertion rail and the inner edge of the upper end fitting rail and the upper edge of the low heat resistance case is inserted
Solid fuel combustion stove comprising a.

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