Pellet combustion device for stoves

Abstract

The present invention relates to a pellet combustion device for a stove. Specifically, the invention relates to a pellet combustion device for a stove that is installed in a stove that burns pellets as fuel and can perform heating by burning pellets, which prevents the clumping of supplied pellets and prevents backfire, thereby providing convenience and safety, and enables combustion with higher thermal efficiency.

Description

Technology Field

[0001] The present invention relates to a pellet combustion device for a stove.

[0002] Specifically, the invention relates to a pellet combustion device for a stove that is installed in a stove that burns pellets as fuel and can perform heating by burning pellets, and which prevents the clumping of supplied pellets and enables them to be burned with higher thermal efficiency. Background Technology

[0004] It is common practice to use boilers as a general means of heating.

[0005] Modern boilers are very convenient to use because they maintain the set temperature by automatically supplying and igniting fuel according to the operation of the thermostat.

[0006] Most of these boilers use oil or gas as fuel, which allows for easy management such as fuel input; however, the fuel itself is expensive and consumes a significant amount, causing a burden on households due to substantial heating costs. Additionally, combustion gases emitted during combustion pollute the atmosphere, posing a problem of environmental destruction.

[0008] In addition, conventional heaters and fan heaters are separated into individual units, each utilized for a different purpose.

[0009] Conventional stoves use wood, waste, or wood pellets to generate heat.

[0010] The problem here is the sludge generated after the fuel is burned. Existing products generate so much sludge that they cannot operate continuously and must be cleaned too frequently.

[0011] As a result of the large amount of sludge generated, there was a problem where the fire frequently went out and too much smoke was produced.

[0012] Furthermore, existing pellet heaters had the disadvantage of having their exteriors completely blocked with metal plates or other materials so that the fire could not be seen from the outside, and most products had an overly simple design.

[0014] As such, conventional pellet heaters are painted in a single color when exterior-mounted, creating a simple and clunky image. The lack of design reduces the product's value, and since the heat exchanger is not attached to the heater but produced separately, each component performs a different function.

[0015] In addition, because it was a low-pressure blower system, the thermal efficiency was very low, so a large amount of fuel had to be injected, resulting in significant economic waste.

[0016] In addition, heat escapes directly through the chimney, significantly reducing thermal efficiency, and increasing fuel input to improve thermal efficiency places a heavy economic burden.

[0018] In an attempt to overcome this, Registered Patent Publication No. 10-1156188 disclosed a pellet stove warm air heater.

[0019] The above technology relates to a pellet stove warm air heater that raises the indoor temperature by discharging high temperatures generated using pellets as fuel to the outside. It provides a pellet stove warm air heater that achieves heating using the heat generated by the combustion of pellets by introducing pellets into a combustion chamber and incinerating the pellets by a burner, and collects the incinerated residue generated during incineration through a discharge lever, thereby enabling convenient and safe incineration and reducing fuel costs. Prior art literature

[0021] Registered Patent Publication No. 10-1156188 (Registered June 7, 2012) The problem to be solved

[0022] The objective of the present invention is to provide a pellet combustion device for a stove that is installed in a stove that burns pellets as fuel and can perform heating by burning pellets, which prevents the clumping of supplied pellets and enables combustion with higher thermal efficiency. means of solving the problem

[0024] A pellet combustion device for a stove according to the present invention, devised to achieve the purpose described above, comprises: a mounting plate (10); an outer body (20) coupled to be mounted on the upper side of the mounting plate (10); a combustion body (30) inserted into the outer body (20) and fixed to be mounted on one side of the mounting plate (10); a combustion frame (40) inserted into the combustion body (30); a combustion frame (41) mounted on the upper side of the combustion frame (40), with a portion of the upper side formed concavely in the shape of an inverted triangle; a dead zone prevention member (50) fixed to the concave area of ​​the combustion frame (41); an outer frame (42) positioned to accommodate a portion of the combustion frame (41) and having a triangular hole formed in a portion of the lower side so that the dead zone prevention member (50) is mounted thereon; and a flashback prevention air inlet (60) inserted into the outer frame (42) and positioned above the dead zone prevention member (50). It is characterized by including a pellet supply port (70) coupled to the flashback prevention air inlet (60) above.

[0026] At this time, the above-mentioned mounting plate (10) is mounted on the periphery of a hole formed on one side of the stove, and is characterized by a mounting line (11) for mounting the above-mentioned outer body (20); and a locking hole (12) formed in the upper / lower direction inward from the mounting line (11).

[0028] In addition, the outer body (20) is characterized by having a predetermined shape and being penetrating in the upper / lower direction to include an internal hollow (21), and forming a communication hole (22) on one side to allow air flow.

[0030] In addition, the above flashback prevention air inlet (60) is characterized by having a predetermined shape and being formed in a larger size than the pellet supply port (70), containing a hollow inside, and serving to prevent flashback by reinforcing the air flow.

[0032] Additionally, the combustion body (30) is formed with a predetermined shape and a size smaller than that of the outer body (20), is inserted into the inner hollow (21) of the outer body (20), and forms an inner hollow (31) that penetrates in the upper / lower direction, and one or more catch projections (32) are formed on one side of the outer surface of the combustion body (30), so that when the combustion body (30) passes through the catch hole (12) of the mounting plate (10), the catch projections (32) are caught in the catch hole (12) to be fixed.

[0034] In addition, the combustion frame (40) is extended in one direction and has a plurality of straight holes formed through it in the upward / downward direction, and when a plurality of combustion frames (40) are stacked, the straight holes formed in each of two adjacent combustion frames (40) have mutually intersecting directions.

[0036] In addition, the above dead zone prevention member (50) is seated on the uppermost side of the combustion frame (40) and is formed such that a body (51) having a rhombus cross-sectional shape is extended in a certain direction, and the extension members (52) extending to both sides of the body (51) are configured to have a rhombus cross-sectional shape identical to that of the body (51) so as to have a cross (+) shape.

[0038] In addition, the pellet supply port (70) is characterized by being extended in one direction, inserted into the internal hollow of the flashback prevention air inlet (60), and seated in the dead zone prevention port (50).

[0040] Additionally, each of the body (51) and the extension (52) is formed to include a hollow inside and has both ends open to form an inlet hole (511, 521), and a plurality of discharge holes (512, 522) are formed to be arranged at regular intervals on one side of each of the body (51) and the extension (52), so that the inlet hole (511, 521) and the discharge hole (512, 522) are connected, and the dead zone prevention device (50) is characterized by being provided such that the side on which the discharge hole (512, 522) is formed faces downward. Effects of the invention

[0042] According to the present invention, the pellet combustion device for a stove is installed in a stove that burns pellets as fuel and can perform heating by burning pellets, and prevents the clumping of supplied pellets and prevents backfire so that combustion can be performed with higher thermal efficiency.

[0043] In particular, by causing the pellets to clump together at a certain location when heated, the occurrence of dead zones and flashbacks, which are areas where the pellets no longer burn, are minimized, and heat transfer is efficiently improved, thereby enabling efficient heating by combustion of the pellets. Brief explanation of the drawing

[0045] Figure 1 shows an example of separation of a pellet combustion device for a stove according to the present invention. FIG. 2 shows the combustion body of a pellet combustion device for a stove according to the present invention. FIG. 3 shows a dead zone prevention device for a pellet combustion device for a stove according to the present invention. Specific details for implementing the invention

[0046] Terms and words used in this specification and claims should not be interpreted as being limited to their ordinary or dictionary meanings, but should be interpreted in a meaning and concept consistent with the technical spirit of the invention, based on the principle that the inventor can appropriately define the concept of the terms to best describe his invention.

[0048] Therefore, the embodiments described in this specification and the configurations illustrated in the drawings are merely the most preferred embodiments of the present invention and do not represent all of the technical ideas of the present invention; thus, it should be understood that various equivalents and modifications that can replace them may exist at the time of filing this application.

[0050] Before proceeding with the following description with reference to the drawings, it should be noted that matters not necessary to reveal the gist of the invention, namely known configurations that a person skilled in the art with ordinary knowledge can obviously add, have not been illustrated or specifically described.

[0052] The present invention relates to a pellet combustion device for a stove.

[0053] Specifically, the invention relates to a pellet combustion device for a stove that is installed in a stove that burns pellets as fuel and can perform heating by burning pellets, and which prevents the clumping of supplied pellets and enables them to be burned with higher thermal efficiency.

[0055] A pellet combustion device for a stove according to the present invention will be explained through the attached drawings.

[0056] FIG. 1 shows an example of separation of a pellet combustion device for a stove according to the present invention, FIG. 2 shows a combustion body of a pellet combustion device for a stove according to the present invention, and FIG. 3 shows a dead zone prevention device for a pellet combustion device for a stove according to the present invention.

[0058] A pellet combustion device for a stove according to the present invention comprises, as shown in the attached drawings, a mounting plate (10); an outer body (20) coupled to be mounted on the upper side of the mounting plate (10); a combustion body (30) inserted into the outer body (20) and fixed to be mounted on one side of the mounting plate (10); a combustion frame (40) inserted into the combustion body (30); a combustion frame (41) mounted on the upper side of the combustion frame (40), with a portion of the upper side formed concavely in the shape of an inverted triangle; a dead zone prevention member (50) fixed in the concave area of ​​the combustion frame (41); an outer frame (42) positioned to accommodate a portion of the combustion frame (41) and having a triangular hole formed in a portion of the lower side so that the dead zone prevention member (50) is mounted thereon; and a flashback prevention air inlet (60) inserted into the outer frame (42) and positioned above the dead zone prevention member (50). and a pellet supply port (70) coupled to the flashback prevention air inlet (60);

[0060] Such a structure allows the above-described structure to be coupled to the stove by having the above-described mounting plate (10) mounted around a hole formed on one side of the stove, and the stove may refer to a conventional stove having a hole formed on the other side to supply a heat source for heating.

[0061] That is, as the heat source supplied through the hole for supplying the heat source moves into the combustion body (30), the pellet supplied through the pellet supply port (70) is burned, and the burned pellet is continuously heated as it descends through the combustion frame (40), thereby increasing the efficiency of heating.

[0062] In addition, the above dead zone prevention device (50) can prevent pellets supplied through the above pellet supply port (70) from clumping in a certain area, thereby preventing dead zones and flashback phenomena that reduce heating efficiency by causing ash to clump.

[0063] Here, the dead zone refers to an area where the ash formed as the pellet is heated clumps together and the clumped ash hardens due to a high-temperature heat source, thereby hindering the flow of the pellet's ash, and the flashback means that combustion proceeds toward the pellet supply port (70).

[0065] Referring to Figure 1 of the attached drawings, the mounting plate (10) includes a mounting line (11) for mounting the outer body (20), and a locking hole (12) is formed to be connected in the up / down direction further inward.

[0067] The above outer body (20) has a predetermined shape and is penetrated in the upper / lower direction to include an internal hollow (21), and a communication hole (22) is formed on one side to allow air flow.

[0069] The combustion body (30) has a predetermined shape and is formed to be smaller than the outer body (20), and is inserted into the inner hollow (21) of the outer body (20).

[0070] At this time, one or more catch projections (32) are formed on one side of the outer surface of the combustion body (30), so that when the combustion body (30) passes through the catch hole (12) of the mounting plate (10), the catch projections (32) are caught in the catch hole (12) to be fixed.

[0071] That is, the above-mentioned catch hole (12) is formed to correspond to or be larger than the diameter of the combustion body (30).

[0073] The above combustion body (30) also forms an internal hollow (31) that penetrates in the upper / lower direction.

[0074] Additionally, a step may be formed inside the combustion body (30) for inserting and securing the combustion frame (40).

[0075] Through this step, a combustion frame (40) is inserted into the internal hollow (31) of the combustion body (30). At this time, the combustion frame (40) includes a plurality of straight holes that extend in one direction and penetrate in the upper / lower direction, and when the combustion frame (40) is stacked in multiple layers, the straight holes of two adjacent combustion frames (40) are made to have directions that intersect each other.

[0077] A combustion frame (41) is attached to the upper side where a plurality of combustion frames (40) are combined in this manner. The outer diameter of the combustion frame (41) is formed to correspond to or be smaller than the inner diameter of the combustion body (30). As described above, a portion of the upper side of the combustion frame (41) is formed concavely in the shape of an inverted triangle so that the dead zone prevention device (50) can be seated thereon.

[0078] The above dead zone prevention device (50) is formed such that a body (51) having a rhombus cross-sectional shape is extended in a certain direction as shown in Fig. 3 of the attached drawings, and the extension body (52) extended to both sides of the body (51) is configured to have a rhombus cross-sectional shape identical to that of the body (51) so as to have a cross (+) shape.

[0079] And, on one side of each of the body (51) and the extension (52), a plurality of discharge holes (512, 522) can be formed to be arranged at regular intervals.

[0080] Each of the above-mentioned body (51) and extension (52) is formed to include a hollow inside and has both ends open to form inlet holes (511, 521). Additionally, the discharge holes (512, 522) are connected to the hollow inside the body (51) and extension (52), thereby consequently being connected to the inlet holes (511, 521).

[0081] At this time, the dead zone prevention member (50) is positioned so that one side having the discharge hole (512, 522) formed faces downward, and the diamond-shaped exterior of the dead zone prevention member (50) is secured by being seated in the angled area of ​​the seating groove (33) of the combustion body (30).

[0083] In addition, a flashback prevention air inlet (60) and a pellet supply port (70) can be positioned above the combustion frame (40) and the dead zone prevention zone (50) provided within the combustion body (30).

[0084] In order to ensure a stable configuration of the flashback prevention air inlet (60) and pellet supply port (70), an outer frame (42) is attached to the upper side of the combustion body (30). The outer frame (42) is configured to accommodate a part of the combustion frame (41), and a triangular hole is formed in a part of the lower side so that it can be seated and fixed on the upper side of the dead zone prevention device (50).

[0085] The above-mentioned flashback prevention air inlet (60) may have a predetermined shape and may be configured in a cylindrical shape.

[0086] In addition, the pellet supply port (70) is composed of a plate and further includes a cylindrical region extending downward relative to the plate. That is, the cylindrical region is formed to communicate with a hole formed in the plate. Furthermore, the lower end of the cylindrical region is cut to form a plurality of wings.

[0087] The cylindrical shape of the pellet supply port (70) is inserted into the hollow of the flashback prevention air inlet (60).

[0088] That is, the lower part of the cylindrical region of the pellet supply port (70) is provided with an incision region so that a plurality of expansion wings spread apart from each other, thereby expanding the diameter of the lower part of the pellet supply port (70).

[0089] If necessary, a separate hopper may be attached to the upper side of the pellet supply port (70).

[0091] Meanwhile, the above outer frame (42) is configured to form a concave groove on one side of the upper portion.

[0092] Accordingly, when the upper part of the outer frame (42) is finished with a cover (drawing symbol not shown, see top left drawing of FIG. 1), an air passage is formed by the groove to assist in combustion.

[0093] And on one side of the above cover, a hole is formed through which a flashback prevention air inlet (60) and a pellet supply port (70) can be inserted.

[0095] According to this configuration, the lower part of the cylindrical region of the pellet supply port (70) is provided with an incision region so that a plurality of expansion wings spread apart from each other to expand the diameter of the lower part of the pellet supply port (70).

[0096] If necessary, a separate hopper may be attached to the upper side of the pellet supply port (70). The pellets supplied through this may fall into the dead zone prevention zone (50), and due to the rhombus-shaped structure of the dead zone prevention zone (50), the supplied pellets spread out in all directions and settle on the combustion frame (40).

[0097] At this time, the pellets are burned by a heat source supplied from the lower side, and the ash generated by the combustion of the pellets can be prevented from spreading and clumping due to the rhombus shape of the dead zone supply port (50). In addition, as air introduced from the inlet holes (511, 521) of the dead zone prevention port (50) is discharged through the discharge holes (512, 522), an airflow is generated, making combustion more efficient, and because the clumping of ash can be effectively prevented due to the airflow, the occurrence of a dead zone can be prevented.

[0098] The pellets that are burned in this way are formed by arranging the straight holes of the combustion frame (40) in an intersecting manner, and the straight holes between two adjacent combustion frames (40) are formed in an intersecting manner, thereby spreading evenly and burning to increase combustion efficiency, and also increasing combustion efficiency through contact with air by the air flowing in from the communication hole (22) of the outer body (20).

[0100] According to the present invention, a pellet combustion device for a stove configured as described above is installed in a stove that burns pellets as fuel and can perform heating by burning pellets, and prevents clumping of the supplied pellets and prevents backfire so that combustion can be performed with higher thermal efficiency.

[0101] In particular, by causing the pellets to clump together at a certain location when heated, the occurrence of dead zones and flashbacks, which are areas where the pellets no longer burn, are minimized, and heat transfer is efficiently improved, thereby enabling efficient heating by combustion of the pellets.

[0103] The description above using the drawings describes only the main aspects of the present invention, and it is obvious that the present invention is not limited to the configuration of the drawings, as various designs are possible within the technical scope. Explanation of the symbols

[0105] 10 : Mounting plate 11 : Landing line 12 : catch hole 20 : External body 21 : Internal hollow 22 : Chimney hole 30 : Combustion body 31 : Internal hollow 32 : Stopper 40 : Combustion frame 41 : Combustion frame 42 : External frame 50 : Dead Zone Prevention Zone 51 : Body 511: Inlet hole 512 : Discharge hole 52 : Extension 521 : Inlet hole 522 : Discharge hole 60 : Backfire arrestor air inlet 70: Pellet feed port

Claims

Claim 1 A mounting plate (10); an outer body (20) coupled to be mounted on the upper side of the mounting plate (10); a combustion body (30) inserted into the outer body (20) and fixed to be mounted on one side of the mounting plate (10); a combustion frame (40) inserted into the combustion body (30); a combustion frame (41) mounted on the upper side of the combustion frame (40), with a portion of the upper side formed concavely in the shape of an inverted triangle; a dead zone prevention member (50) fixed to the concave area of ​​the combustion frame (41); an outer frame (42) positioned to accommodate a portion of the combustion frame (41) and forming a triangular hole on a portion of the lower side so that the dead zone prevention member (50) is mounted thereon; a flashback prevention air inlet (60) inserted into the outer frame (42) and positioned above the dead zone prevention member (50). A pellet combustion device for a stove, characterized by including: a pellet supply port (70) coupled to the flashback prevention air inlet (60) above. Claim 2 A pellet combustion device for a stove according to claim 1, wherein the mounting plate (10) is mounted on the periphery of a hole formed on one side of the stove, and the mounting line (11) for mounting the outer body (20); and the hook hole (12) is formed in the upper / lower direction inward from the mounting line (11). Claim 3 A pellet combustion device for a stove according to claim 2, wherein the outer body (20) has a predetermined shape and is penetrated in the upper / lower direction to include an internal hollow (21), and has a communication hole (22) formed on one side to allow air flow. Claim 4 A pellet combustion device for a stove according to claim 3, wherein the combustion body (30) has a predetermined shape and is formed to be smaller than the outer body (20), is inserted into the inner hollow (21) of the outer body (20), and forms an inner hollow (31) that penetrates in the upper / lower direction, and one or more catch projections (32) are formed on one side of the outer surface of the combustion body (30), so that when the combustion body (30) passes through the catch hole (12) of the mounting plate (10), the catch projections (32) are caught in the catch hole (12) to fix it. Claim 5 A pellet combustion device for a stove according to claim 1, wherein the combustion frame (40) extends in one direction and forms a plurality of straight holes penetrating in the upward / downward direction, and when a plurality of combustion frames (40) are stacked, the straight holes formed in each of two adjacent combustion frames (40) have mutually intersecting directions. Claim 6 A pellet combustion device for a stove according to claim 1, wherein the dead zone prevention member (50) is seated on the uppermost side of the combustion frame (40) and is formed such that a body (51) having a rhombus cross-sectional shape is extended in a certain direction, and an extension member (52) extending to both sides of the body (51) is configured to have a cross (+) shape by extending it such that it has the same rhombus cross-sectional shape as the body (51). Claim 7 A pellet combustion device for a stove according to claim 1, wherein the pellet supply port (70) is extended in one direction, inserted into the internal hollow of the flashback prevention air inlet (60), and seated on the dead zone prevention port (50). Claim 8 A pellet combustion device for a stove according to claim 6, wherein each of the body (51) and the extension (52) is formed to include a hollow inside and has both ends open to form an inlet hole (511, 521), and a plurality of discharge holes (512, 522) are formed to be arranged at regular intervals on one side of each of the body (51) and the extension (52), so that the inlet hole (511, 521) and the discharge hole (512, 522) are in communication, and the dead zone prevention member (50) is provided such that the side on which the discharge hole (512, 522) is formed faces downward.

Images