KR101480766B1 - The pellet boiler with dual-combustion chamber - Google Patents

Abstract

The present invention relates to a stove having a dual-combustion chamber. The stove which combusts by being supplied with fuel from the upper part of a combustion chamber by a hopper is provided to solve pellet combustion before a supply by transmitting heat even though the entrance of the supplied hopper is blocked. The stove includes: a connection path which stores pellet by forming a hopper to be narrower as the width of an inner diameter goes to the lower part in the lower end; a fuel tank which has a blocking plate capable of dropping or blocking internal pellet in the middle of the connection path; a combustion chamber which is connected with the connection path in the upper part and combusts pellet inside; and an exhaust duct which is extended from the combustion chamber to the upper part. The stove having a dual-combustion chamber forms a rotary shaft on which a pellet discharge plate is mounted to pass pellet by blocking a pellet discharge hole or rotating at a predetermined angle by having: the combustion chamber which is divided into three spaces which are an upper combustion chamber, a lower combustion chamber, and an ash receiver from the upper part to the lower part by first and second porous partition walls having multiple vent holes formed in a grid arrangement to be smaller than the pellet; the pellet discharge hole which is formed to be perpendicularly penetrated in the center of the first porous partition wall positioned in the upper part; a rotation handle which is mounted to protrude from an end toward the outside of the combustion chamber; and an extended part which is formed to be horizontally extended in a direction of the pellet discharge hole in the other side.

Description

The pellet boiler with a dual-combustion chamber [

The present invention relates to a furnace having a double combustion chamber, and more particularly, a furnace in which fuel is supplied from an upper portion of a combustion chamber by a hopper and burned, even when the inlet of the hopper is blocked, The present invention relates to a stove having a double combustion chamber developed to solve the problem.

Cutting wood with an ax or saw in an oven, heating the room, and obtaining wood for the ancestors who were doing food and cutting it to the proper size would require considerable time and effort. There are still inconveniences.

In recent years, there has been an increasing tendency to use pellets formed by using rice bran, sawdust, or a mixture of various solid fuels to solve such inconvenience.

These pellets are widely used in boilers and fireplaces. They are cylinders of several centimeters in size, and are suitable for automatic systems. They have the advantage of heating at less than half a kilo less than oil and electric stoves at less than 20 kilograms will be.

In the most basic configuration, there is a combustion chamber to which communication is connected. In the upper part of the combustion chamber, there is a tank for storing pellets and a hopper for guiding pellets to the combustion chamber. The bottom of the hopper is closed and pellets are introduced into the combustion chamber.

In the case of the automatic system, the pellets are fed in a predetermined amount of time, but in the case of the passive system, it is necessary to remove the blocking plate for blocking the passage of the pellets, and then supply the pellets and then block the blocking plate again.

At this time, when the amount of pellets to be injected is large, pellets of a predetermined amount or more will be burnt in the combustion chamber, and heat and flame at a high temperature higher than a set value may cause fire due to heating of the shutoff plate and combustion of pellets before charging.

Korean Patent Registration No. 10-0297947-0000 (May 26, 2001) Korean Patent Publication No. 10-2010-0081560 (July 15, 2010) Korean Patent Registration No. 10-1014767-0000 (February 08, 2011) Korean Patent Publication No. 10-2012-0001382 (Jan. 04, 2012) Korea Patent Registration No. 10-1213718-0000 (December 12, 2012)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a double combustion chamber capable of preventing the pellets from being burned before the supply of heat and flame through the blocking plate when the pellets are burnt more than necessary in the combustion chamber It is in developing a stove.

In order to achieve the above-mentioned object, the present invention provides a hopper comprising a hopper formed at a lower end of the hopper, the hopper having an inner diameter narrower toward the lower end thereof to store pellets therein, A combustion chamber in which an upper portion is connected to the connection passage and in which pellets are to be burnt, and an exhaust duct extending upward in the combustion chamber, the furnace comprising: The combustion chamber is divided into three spaces of the upper combustion chamber, the lower combustion chamber and the ash receiving portion from the upper portion to the lower portion by the first and second multi-attack membranes, in which a plurality of vent holes smaller than the pellets are formed in a lattice arrangement, A pellet discharge hole is vertically penetrated at the center of the one attacking membrane and protrudes to the outside of the combustion chamber at one end And a rotary shaft on which a plate-shaped pellet discharge plate for mounting the pellet discharge plate is formed. The pellet discharge plate is horizontally extended in the direction of the pellet discharge hole.

Also, the front face of the combustion chamber is opened, the first multi-attack film is mounted on an upper drawer member which is formed in a rectangular box shape whose upper, front, rear, left and right sides are folded upward and inserted into a top of the open front face of the combustion chamber, And a lower drawer member mounted on the upper portion of the ash box to be mounted in a rectangular box shape whose upper, upper, and lower sides are bent upward, And is inserted into the lower portion of the drawer.

Further, the upper drawer member and the lower drawer member are each provided with an air supply unit which is slidably opened and closed.

The rotary knob is integrally formed with the rotary shaft and protrudes outward from the upper drawer member. The rotary knob is bent in the upward direction of the rotary shaft so that the pellet discharge plate closes the pellet discharge hole when the rotary knob rotates horizontally ,

The first multi-attacking membrane is equipped with a rotation preventing member that extends horizontally in the center of the pellet discharge hole at a lower portion adjacent to the pellet discharge hole and supports a part of the bottom surface of the pellet discharge so that the rotation shaft does not rotate due to its own weight do.

As described above, according to the present invention, a part of the pellet is moved to the lower combustion chamber when the pellet is burnt in the upper combustion chamber, thereby preventing the heat and flame of the upper combustion chamber from acting on the blocking plate more than necessary, There is an effect of preventing an accident including a fire caused by combustion.

In addition, the present invention has an effect of enabling more efficient heating by including the upper and lower combustion chambers in the combustion chamber and also including the air supply portion in the lower combustion chamber to facilitate the combustion of the pellets transferred to the lower combustion chamber.

Figure 1 is a perspective view of an embodiment of the present invention.
2 is an exploded perspective view according to an embodiment of the present invention.
Figure 3 is a side cross-sectional view, in accordance with an embodiment of the present invention,
4 is a perspective view illustrating an upper drawer member according to an embodiment of the present invention.
FIG. 5 is a conceptual view showing a rotating structure of a pellet press according to an embodiment of the present invention.
6 is a perspective view illustrating a lower drawer member according to an embodiment of the present invention.
7 to 8 are diagrams showing states of use according to an embodiment of the present invention

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 3 is a side cross-sectional view of an embodiment of the present invention, and FIG. 4 is a cross-sectional view of an embodiment of the present invention. FIG. FIG. 5 is a conceptual view showing a rotating structure of a pellet press according to an embodiment of the present invention, and FIG. 6 is a perspective view illustrating a lower drawer member according to an embodiment of the present invention. And FIGS. 7 to 8 are use state diagrams according to an embodiment of the present invention.

1 to 6, a hopper 11 is formed at the lower end of the present invention so that its inner diameter becomes narrower toward the bottom, and the pellet 100 is stored therein, A fuel tank 1 having a shutoff plate 13 capable of dropping or shutting off the inner pellet 100 in the middle of the connecting path 12 and the connecting path 12, A combustion chamber 2 for burning the pellets 100 in the combustion chamber 2 and an exhaust duct 3 extending upward in the combustion chamber 2. The combustion chamber 2 is connected to the pellet 100, The lower and upper combustion chambers 23 and 24 and the ash receiving section 21 and 22 are formed by the first and second multi-attack films 21 and 22, 25), and a vertically penetrating pellet discharge hole 21 (21) is formed at the center of the first multi-attack film (21) 2 is formed at one end of the pellet outlet hole 212. The other end of the pellet outlet hole 212 is protruded to the outside of the combustion chamber 2 and fitted with the rotary knob 26, And a rotary shaft (28) on which a plate-shaped pellet backing (27) for allowing the pellets (100) to pass is mounted is formed.

The fuel tank 1, the blocking plate 13, the combustion chamber 2, and the exhaust duct 3 included in the present invention are generally different from each other in shape, but generally have the same constitution and principle in a conventional pellet furnace.

Particularly, in comparison with a general non-powered pellet furnace, a key technical feature of the present invention is to have two upper and lower combustion chambers of the upper combustion chamber 23 and the lower combustion chamber 24 of the combustion chamber 2, It is a feature of the present invention that the pellet 100 of the upper combustion chamber 23 can be moved to the lower combustion chamber 24 in accordance with the rotation of the pellet backing 27 .

7 to 8, in the case of the blocking plate 13, in particular the blocking plate 13 which is manually opened and closed by the user, the pellet 100 is poured down by its own weight when the blocking plate 13 is opened It is most convenient to control the closing of the pellet 100 in the combustion chamber after closing the pellet 100 if the pellet 100 does not fall any further after opening the blocking plate 13. [ It is common to use fire.

However, when the pellets 100 are completely filled up to just below the blocking plate 13, the pellets 100 are burned in the combustion chamber, and the flames and the heat are transferred to the blocking plate 13 and the pellets 100 thereon There is a problem that the pellet 100 before combustion is burned and the pellet 100 of the fuel tank 1 is burned.

Therefore, it is necessary to use a means for automatically adjusting the amount of the pellets 100 to be inserted, rather than a simple partitioning plate 13 as shown in the drawing, or a means for rotating the pellet 100 manually by rotating the pellet 100 manually.

However, when the pellet 100 is too much in the upper combustion chamber 23, when the rotary knob 26 is rotated, the pellet discharging hole 27, which blocks the pellet discharge hole 212 horizontally, So that the distance between the blocking plate 13 and the pellet 100 to be burned can be secured so that the pellet 100 can be prevented from being burned .

In this way, when the pellet is buried in the upper combustion chamber, a part of the pellet is moved to the lower combustion chamber, thereby preventing the heat and flame of the upper combustion chamber from acting on the blocking plate unnecessarily. The present invention has the effect of preventing the accident that includes the accident.

The first multi-attack film 21 is formed in a rectangular box shape having its front, rear, left and right sides folded upward and open at its upper surface, so that the combustion chamber 2, (29) which is mounted on an upper drawer member (2a) inserted in an upper part of an open front side of an open front side of the reel receiving box (29) The lower drawer member 2b mounted in a rectangular box shape whose upper and lower surfaces are opened by bending the film 22 in the front, back, left and right sides is inserted into the lower portion of the open front side of the combustion chamber 2 by a drawer, Respectively.

In this embodiment, two spaces including the upper combustion chamber 23 and the lower combustion chamber 24 can be pulled out in a drawer so that the state of the combustion chamber can be checked during the cleaning and combustion by a separate window.

The upper drawer member 2a and the lower drawer member 2b are provided with air supply portions 2c which are slidably opened and closed on the front surfaces of the upper drawer member 2a and the lower drawer member 2b in order to control the burning speeds of the upper and lower combustion chambers 23, .

Particularly, the air supply unit 2c, which is slidably opened and closed on the front surface of the lower drawer member 2b, serves to supply air to the pellet 100 moved to the lower stage combustion chamber so as to facilitate combustion even in the lower combustion chamber So that more efficient heating can be achieved.

The rotary knob 26 integrally extends from the rotary shaft 28 and protrudes outside the upper drawer member 2a and is bent upward in the rotary shaft 28 so that the rotary knob 26 The pellet discharge hole 212 is formed in the first multi-attack film 21 so as to cover the pellet discharge hole 212 in the lower portion adjacent to the pellet discharge hole 212 And a rotation preventing piece 213 which is horizontally extended in the center direction of the pellet backing plate 212 and supports a part of the bottom surface of the pellet backing plate 27 so as to prevent the rotation axis 28 from rotating due to the own weight of the pivoting knob 26 An example is presented.

The pellet backing 27 is pelletized in a horizontal state when the rotary knob 26 is in a state where the rotary knob 26 is bent in the upward direction of the rotary shaft 28 and the rotary knob 26 is horizontally laid. The rotation stopping piece 213 can be prevented from being brought into close contact with the bottom surface of the pellet backing 27. In this case, It is suggested.

It should be noted that the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention so that various equivalents And variations are possible.

1: Fuel tank
11: hopper 12: connecting passage
13:
2: Combustion chamber
2a: upper drawer member 2b: lower drawer member
2c:
21: first multi-attack membrane 211: vent hole
212: pellet discharge hole 213: rotation prevention piece
22: second multi-attack film 23: upper combustion chamber
24: lower combustion chamber 25:
26: rotary knob 27: pellet punching
28:
3: Exhaust duct
100: pellet

Claims (4)

A hopper 11 is formed at the lower end of the hopper 11 so that the width of the hopper 11 is narrowed toward the bottom of the hopper 11. The pellet 100 is stored inside the connecting passage 12 and the connecting passage 12, A fuel tank 1 having a shutoff plate 13 capable of dropping or shutting off the inner pellet 100 and a combustion chamber 2 connected to the connection passage 12 at an upper portion thereof and allowing the pellet 100 to combust therein And an exhaust duct (3) extending upward from the combustion chamber (2), wherein the exhaust duct
The combustion chamber 2 is divided into an upper combustion chamber 23 and a lower combustion chamber 23 by a first and a second multi-attack films 21 and 22 having a plurality of vent holes 211 smaller than the pellets 100, The lower combustion chamber 24 and the ash receiving unit 25, and the vertically penetrating pellet discharge hole 212 is formed at the center of the first multi-attack film 21 located at the upper portion, The rotary knob 26 is mounted on the outer side of the combustion chamber 2 and the other side extends horizontally in the direction of the pellet discharge hole 212 to block the pellet discharge hole 212 or rotate at a predetermined angle, And a rotary shaft (28) on which a plate-like pellet press (27) for mounting the plate-like pellet press (27) is mounted is formed. The method according to claim 1, wherein the front face of the combustion chamber (2) is opened, and the first multi-attack film (21) is formed in a rectangular box shape whose upper, Mounted on the upper drawer member (2a) to be inserted into the upper portion of the front side in a drawer manner,
And a second reed box 29 having an upper open top and a second reed box 29. The second reed box 22 is folded upward, Wherein the lower drawer member (2b) is inserted into the open front lower portion of the combustion chamber (2) by a drawer. 3. The hearth of claim 2, wherein each of the upper drawer member (2a) and the lower drawer member (2b) has an air supply portion (2c) slidably opened and closed. The rotary knitting machine according to any one of claims 1 to 3, wherein the rotary knob (26) integrally extends to the rotary shaft (28) and is protruded outside the upper drawer member (2a) So that the pellet backing (27) blocks the pellet discharging hole (212) when the rotary knob (26) is horizontally laid to rotate,
The first multi-attack film 21 is horizontally extended in the center of the pellet discharge hole 212 at a lower portion adjacent to the pellet discharge hole 212 so as to prevent the rotation axis 28 from rotating due to the own weight of the rotary knob 26 Characterized in that a rotation preventing piece (213) for supporting a part of the bottom surface of the pellet belts (27) is mounted.

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