Firewood and coal dual-purpose stove

Abstract

The utility model relates to a firewood and coal dual-purpose stove which comprises a stove body which is provided with a baking cavity and a combustion cavity side by side, a hollow cylindrical hearth is arranged in the combustion cavity, a coal stove core is detachably arranged in the hearth, an ash outlet is formed in the bottom of the hearth, a grate is movably arranged on the ash outlet, an ash receiving box is arranged below the ash outlet, and the ash receiving box is connected with the hearth. The upper portion of the combustion cavity is communicated with a fire outlet cavity, one side of the fire outlet cavity extends to the upper portion of the baking cavity, the top of the stove body is provided with a large stove opening and a small stove opening which are communicated with the fire outlet cavity, the large stove opening corresponds to the hearth, and the stove body is further provided with an air inlet communicated with the hearth. The stove can adapt to firewood combustion or honeycomb briquette combustion according to needs, the applicability of the stove is improved, through the arrangement of the internal structure of the stove, combustion waste heat of the stove can be used for baking food, heating water and the like, and the utilization rate of the waste heat is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of stoves, in particular to a dual-purpose firewood and coal stove. Background Art

[0002] At present, most of the catering stoves are generally built with bricks, which are not only large in volume, heavy in weight and immovable, but also have single functions of the existing stoves, and it is difficult to meet the needs when used outdoors. For example, the Chinese patent document with the publication number of "CN205825119U" discloses a movable energy-saving stove, which has a simple structure, low cost, small occupied space, can use any combustible materials and has a high utilization rate. However, in this way, its functions are single, it can only be used for the combustion of firewood or other biomass fuels, honeycomb coal cannot be placed, which limits the applicability of the stove, and it can only be used for stir-frying or cooking, and the waste heat generated by the combustion of the stove cannot be well utilized, resulting in waste of resources. Moreover, when there is too much ash in the furnace, the furnace door needs to be opened to clean the ash in the furnace, which is difficult to clean and has the problem of inconvenient use. Content of the Utility Model

[0003] To solve the above technical problems, the utility model provides a dual-purpose firewood and coal stove, which can adapt to the combustion of firewood or honeycomb coal according to needs through a detachable coal stove core, improves the applicability of the stove, and through the setting of the internal structure of the stove, the waste heat generated by its combustion can be used for baking food, heating water, etc., improves the utilization rate of waste heat, and is also convenient for discharging the ash in the furnace.

[0004] The utility model provides a dual-purpose firewood and coal stove for solving the above technical problems, which includes a stove body. A baking cavity and a combustion cavity are arranged side by side in the stove body. A first opening and an openable and closable first furnace door are arranged on one side wall of the baking cavity; A hollow cylindrical furnace is arranged in the combustion cavity, a coal stove core is detachably arranged in the furnace, an ash outlet is arranged at the bottom of the furnace, a grate is movably arranged on the ash outlet, a ash receiving box is arranged below the ash outlet, the ash receiving box is detachably arranged on the stove body, a fire outlet cavity is communicated above the combustion cavity, one side of the fire outlet cavity extends above the baking cavity, a large furnace opening and a small furnace opening communicated with the fire outlet cavity are arranged at the top of the stove body, the large furnace opening corresponds to the furnace, a second opening and an openable and closable second furnace door are arranged on one side wall of the fire outlet cavity close to the combustion cavity, a smoke outlet is arranged on one side wall of the fire outlet cavity far from the combustion cavity, and an air inlet communicated with the furnace is also arranged on the stove body, and an air volume adjusting part is arranged inside the air inlet.

[0005] Further, the coal stove core includes a cylindrical outer shell and a high-temperature resistant layer, and a handle is movably arranged on the top of the outer shell.

[0006] Further, a support member is provided below the ash outlet. A vertical shaft is provided on the support member. The vertical shaft movably passes through a connection hole in the center of the grate. A through hole is provided on the stove body. A handle is detachably provided in the through hole. The inner extending end of the handle bends upward and inserts into an eccentric hole on the grate.

[0007] Further, the air inlet is a plurality of vertically arranged strip-shaped holes arranged side by side. Horizontal strip-shaped holes are provided on both sides of the air inlet. The air volume adjusting member includes an adjusting plate. A number of adjusting holes corresponding to the vertically arranged strip-shaped holes are provided on the adjusting plate. A sliding handle slidably matched with the horizontal strip-shaped hole is fixed on the adjusting plate.

[0008] Further, a convex platform is provided on the inner side wall in the middle of the baking cavity. A draw plate is detachably provided on the convex platform.

[0009] Further, cushion blocks are provided at the four corners of the bottom of the stove body.

[0010] The beneficial effects of adopting the present utility model are as follows. A hollow cylindrical furnace chamber is arranged in the combustion chamber for placing combustibles. A coal furnace core is detachably provided in the furnace chamber. When it is necessary to burn honeycomb coal, the coal furnace core is placed into the furnace chamber. When it is necessary to burn firewood or biomass fuel, the coal furnace core is taken out. It can adapt to the use of a variety of fuels. The large furnace opening at the top of the stove body is used for placing a wok, and the small furnace opening is used for placing a kettle. When fuel is burned in the furnace chamber, the generated heat acts on the wok. At the same time, the flue gas flows towards the smoke outlet direction and can also heat the water in the kettle, improving the utilization rate of waste heat. And the heat of the combustibles in the combustion chamber can be transferred to the baking chamber through the side wall to bake the food in the baking chamber, improving the utilization rate of the waste heat of the fuel. The first opening and the openable first furnace door on the baking chamber are used to open or close the baking chamber. The ash outlet at the bottom of the furnace chamber is used for ash leakage and ventilation. The air entering from the air inlet flows upward through the ash outlet to increase the oxygen content in the furnace chamber and ensure the combustion effect of the fuel. The ashes after combustion in the furnace chamber fall into the ash receiving box below through the grate, and the ashes are cleaned by disassembling the ash receiving box. The air volume adjusting member on the air inlet is used to adjust the air flow entering the furnace chamber to facilitate adjusting the size of the fire. By pulling the handle, the grate can be driven to rotate, and the accumulated ashes on the grate are leaked into the ash receiving box, and the ashes can be cleaned without opening the furnace door. In summary, by adopting the present utility model, through the detachable coal furnace core, it can adapt to firewood combustion or honeycomb coal combustion according to needs, improving the applicability of the stove. And through the setting of the internal structure of the stove, the waste heat generated by its combustion can be used for baking food, heating water, etc., improving the utilization rate of waste heat, and also facilitating the discharge of the ashes in the furnace chamber.

[0011] The following further describes the present utility model with reference to the accompanying drawings and specific embodiments. Description of the Drawings

[0012] Figure 1 is a schematic structural view of the present utility model;

[0013] Figure 2 is a schematic cross-sectional structural view of the stove body of the present utility model;

[0014] Figure 3 is Figure 2 a detailed enlarged view of A of

[0015] Figure 4 is a schematic structural view of the air volume adjusting member of the present utility model;

[0016] Figure 5 is a rear view of the present utility model;

[0017] Figure 6 is a schematic structural view of the handle of the present utility model.

[0018] In the drawings: 1 - stove body, 11 - baking cavity, 111 - boss, 112 - draw plate, 12 - combustion cavity, 13 - furnace chamber, 14 - ash outlet, 16 - fire outlet cavity, 161 - smoke outlet, 162 - large furnace opening, 163 - small furnace opening, 17 - air inlet, 18 - through hole, 19 - cushion block, 2 - first furnace door, 3 - coal furnace core, 31 - outer shell, 32 - high-temperature resistant layer, 33 - handle, 4 - grate, 41 - connection hole, 42 - eccentric hole, 5 - ash receiving box, 6 - second furnace door, 7 - support member, 71 - vertical shaft, 8 - handle, 9 - air volume adjusting member, 91 - horizontal strip hole, 92 - adjusting plate, 93 - adjusting hole, 94 - sliding handle. Detailed Embodiments

[0019] Referring to the accompanying drawings, the specific implementation embodiments of the present utility model will be described in detail.

[0020] Referring to Figures 1 to 6, the present utility model provides a dual-purpose firewood and coal stove, which includes a stove body 1, and cushion blocks 19 are provided at the four corners of the bottom of the stove body 1, facilitating the placement of the stove body 1. Preferably, locking wheels are provided at the four corners of the bottom of the stove body 1, facilitating the movement of the stove body 1. A baking cavity 11 and a combustion cavity 12 are arranged side by side in the stove body 1. A first opening and an openable and closable first furnace door 2 are provided on one side wall of the baking cavity 11. The heat of the combustibles in the combustion cavity 12 can be transferred to the baking cavity 11 through the side wall to bake the food in the baking cavity 11, improving the utilization rate of the waste heat of the fuel. The first opening and the openable and closable first furnace door 2 on the baking cavity 11 are used to open or close the baking cavity 11. Further, a boss 111 is provided on the inner side wall in the middle of the baking cavity 11, and a draw plate 112 is detachably provided on the boss 111. The draw plate 112 is used to place the object to be baked, and the boss 111 supports the draw plate 112. The draw plate 112 can be pulled out or the baked object on the draw plate 112 can be taken out by opening the baking cavity 11.

[0021] A hollow cylindrical furnace chamber 13 is provided in the combustion cavity 12, and a coal stove core 3 is detachably provided in the furnace chamber 13. The hollow cylindrical furnace chamber 13 is provided in the combustion cavity 12 for placing combustibles, and the coal stove core 3 is detachably provided in the furnace chamber 13. When it is necessary to burn honeycomb coal, the coal stove core 3 is placed into the furnace chamber 13. When it is necessary to burn firewood or biofuels, the coal stove core 3 can be taken out, which can adapt to the use of various fuels. Among them, the coal stove core 3 includes a cylindrical outer shell 31 and a high-temperature resistant layer 32, and a handle 33 is movably provided at the top of the outer shell 31. The circular outer shell 31 supports the high-temperature resistant layer 32, and the handle 33 is provided to facilitate the movement of the coal stove core 3.

[0022] The bottom of the furnace chamber 13 is provided with an ash outlet 14, on which a grate 4 is movably arranged. A ash receiving box 5 is provided below the ash outlet 14, and the ash receiving box 5 is detachably arranged on the stove body 1. The ash outlet 14 at the bottom of the furnace chamber 13 is used for both ash leakage and ventilation. The air entering from the air inlet 17 flows upward through the ash outlet 14 to increase the oxygen content in the furnace chamber 13 and ensure the combustion effect of the fuel. The ashes after combustion in the furnace chamber 13 fall into the ash receiving box 5 below through the grate 4, and the ashes are cleaned by detaching the ash receiving box 5. Further, a support member 7 is provided below the ash outlet 14, and a vertical shaft 71 is provided on the support member 7. The vertical shaft 71 movably passes through a connection hole 41 at the center of the grate 4. A through hole 18 is provided on the stove body 1, and a handle 8 is detachably arranged in the through hole 18. The inner extending end of the handle 8 is bent upward and inserted into an eccentric hole 42 on the grate 4. The vertical shaft 71 on the support member 7 movably passing through the connection hole 41 at the center of the grate 4 can not only support the grate 4 but also improve the stability of the movement of the grate 4, enabling it to rotate circumferentially stably. The handle 8 movably passes through the through hole 18. When the handle 8 is pulled back and forth, the grate 4 can be driven to rotate on the ash outlet 14, facilitating the excess ashes on the grate 4 to fall into the ash receiving box 5, and the ashes can be cleaned without opening the furnace door.

[0023] Above the combustion chamber 12 is communicated with a fire outlet chamber 16. One side of the fire outlet chamber 16 extends above the baking chamber 11. On the top of the stove body 1, there are a large furnace opening 162 and a small furnace opening 163 communicated with the fire outlet chamber 16. The large furnace opening 162 corresponds to the furnace chamber 13. The large furnace opening 162 on the top of the stove body 1 is used for placing a wok, and the small furnace opening 163 is used for placing a kettle. When the fuel burns in the furnace chamber 13, while the generated heat acts on the wok, the flue gas flowing towards the smoke outlet 161 can also heat the water in the kettle, improving the utilization rate of waste heat. On one side wall of the fire outlet chamber 16 close to the combustion chamber 12, there is a second opening and an openable and closable second furnace door 6 for adding fuel into the furnace chamber 13. On the side wall of the fire outlet chamber 16 far from the combustion chamber 12, there is a smoke outlet 161.

[0024] The stove body 1 is also provided with an air inlet 17 connected to the furnace 13. Furthermore, an air volume adjusting member 9 is provided on the inner side of the air inlet 17 for adjusting the air intake in the furnace 13. Specifically, the air inlet 17 is a plurality of vertical strip holes arranged side by side, and horizontal strip holes 91 are provided on both sides of the air inlet 17. The air volume adjusting member 9 includes an adjusting plate 92, and the adjusting plate 92 is provided with a plurality of adjusting holes 93 corresponding to the vertical strip holes. A sliding handle 94 that slidably cooperates with the horizontal strip holes 91 is fixed on the adjusting plate 92. The sliding handle 94 is driven to move in the horizontal strip hole 91, and the sleeve plate is driven to move horizontally, so that the adjusting hole 93 on the adjusting plate 92 corresponds to or staggers with the vertical strip hole. At this time, the space corresponding to the adjusting hole 93 and the vertical strip hole is a component flow space, which is used to adjust the size of the air intake.

[0025] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are contradictory.

[0026] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A wood and coal dual-purpose stove, characterized in that: The stove body (1) comprises a baking chamber (11) and a combustion chamber (12) arranged side by side in the stove body (1), a first opening and a first furnace door (2) which can be opened and closed are arranged on one side wall of the baking chamber (11); a hollow cylindrical furnace chamber (13) is arranged in the combustion chamber (12), a coal furnace core (3) is detachably arranged in the furnace chamber (13), an ash outlet (14) is arranged at the bottom of the furnace chamber (13), a grate (4) is movably arranged on the ash outlet (14), an ash receiving box (5) is arranged below the ash outlet (14), the ash receiving box (5) is detachably arranged on the stove body (1), a fire outlet chamber (16) is connected to the top of the combustion chamber (12), and the One side of the fire cavity (16) extends to the top of the baking cavity (11); a large furnace opening (162) and a small furnace opening (163) in communication with the fire cavity (16) are provided on the top of the stove body (1); the large furnace opening (162) corresponds to the furnace (13); a second opening and a second furnace door (6) that can be opened and closed are provided on a side wall of the fire cavity (16) close to the combustion cavity (12); a smoke outlet (161) is provided on a side wall of the fire cavity (16) away from the combustion cavity (12); an air inlet (17) in communication with the furnace (13) is also provided on the stove body (1); an air volume regulating member (9) is provided on the inner side of the air inlet (17).

2. The wood-coal dual-purpose stove according to claim 1, characterized in that: The coal furnace core (3) comprises a cylindrical outer shell (31) and a high temperature resistant layer (32), and a handle (33) is movably provided on the top of the outer shell (31).

3. The wood-coal dual-purpose stove according to claim 1, characterized in that: A support member (7) is provided below the ash outlet (14), and a vertical shaft (71) is provided on the support member (7). The vertical shaft (71) movably passes through a connecting hole (41) at the center of the grate (4). A through hole (18) is provided on the stove body (1), and a handle (8) is detachably provided in the through hole (18). The inner end of the handle (8) is bent upward and inserted into an eccentric hole (42) on the grate (4).

4. The wood-coal dual-purpose stove according to claim 1, characterized in that: The air inlet (17) is a plurality of vertical strip holes arranged side by side, and horizontal strip holes (91) are arranged on both sides of the air inlet (17). The air volume adjustment member (9) comprises an adjustment plate (92), and the adjustment plate (92) is provided with a plurality of adjustment holes (93) corresponding to the vertical strip holes, and a sliding handle (94) is fixed on the adjustment plate (92) and is slidably matched with the horizontal strip holes (91).

5. The wood-coal dual-purpose stove according to claim 1, characterized in that: A boss (111) is provided on the inner side wall of the middle part of the baking cavity (11), and a drawer plate (112) is detachably provided on the boss (111).

6. The wood-coal dual-purpose stove according to claim 1, characterized in that: Pads (19) are provided at the four corners of the bottom of the stove body (1).

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