Wood carbonization heating furnace
The design connecting the storage bin and the combustion chamber solves the problem of inconvenient wood addition in the heating stove, achieving stable heating and improved combustion efficiency, while reducing wood waste.
Patent Information
- Application Number
- CN202520072980.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-01-13
AI Technical Summary
When using corn stalks and corn cobs in existing heating stoves, it is difficult to control the amount added, resulting in unstable heating effect. Frequent additions are time-consuming, labor-intensive, and wasteful of wood.
The design incorporates interconnected storage bins and combustion tanks. The storage bins are located above and connected to the combustion tanks. Ventilation holes are provided at the bottom of the combustion tanks, creating vertical convection within the storage bins. Ash discharge ports are located along the perimeter of the combustion tanks. Combustion-supporting channels and observation ports are provided inside the furnace. A sealing cover encloses the top of the storage bins, enabling the wood to fall due to its own weight and allowing for hot air circulation.
It eliminates the need for frequent wood replenishment, extends heating time, improves combustion efficiency and comfort, reduces wood waste, and enhances energy utilization.
Smart Images

Figure CN223924890U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of indoor heating technology, specifically, it relates to a wood carbonization heating stove. Background Technology
[0002] Heating stoves are common in rural areas, and the wood used for heating varies depending on local conditions, mostly consisting of crop stalks, fruit tree branches, miscellaneous tree branches, and wood processing scraps, especially crop stalks. Corn stalks and corncobs after the kernels have been removed are preferred materials for heating. However, when using heating stoves, corn stalks and corncobs burn quickly, and the current practice is to frequently add corn stalks and corncobs to maintain combustion, but this has the following problems:
[0003] ① When frequently adding corn stalks and corn cobs, it is difficult to control the amount of wood added each time, and it is easy to add too much or too little. Adding too much will reduce the effective heating heat, while adding too little will result in insufficient heating temperature and reduced heating effect.
[0004] ② Maintaining a wood-carbonized heating stove requires frequent addition of corn stalks and corn cobs, which is time-consuming and laborious, reduces heating comfort, and easily leads to over-addition each time, resulting in a reduction in the heating time maintained by the same amount of wood, thus wasting wood. Utility Model Content
[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a wood carbonization heating stove.
[0006] To achieve the aforementioned objectives, the technical solution adopted by this utility model includes:
[0007] A storage bin and a combustion chamber are connected to each other. The storage bin is used to hold wood, which is pressed inside the storage bin. The combustion chamber is provided with ventilation holes. The storage bin is located above the combustion chamber and communicates with the combustion chamber, so that the hot air generated in the combustion chamber forms a vertical convection in the storage bin.
[0008] In this embodiment, the storage bin is made of sheet metal. Among crop straw, fruit tree branches, miscellaneous tree branches, and wood processing scraps, corn cobs after removing the corn kernels from crop straw are preferred. Corn cobs are small in volume, and more corn cobs can be filled within the fixed space capacity inside the storage bin.
[0009] Preferably, the combustion pool has multiple ash discharge ports along its circumference so that combustion residue can fall through the ash discharge ports, and the ventilation holes are located at the bottom of the combustion pool.
[0010] In this embodiment, the ash discharge port is located in the circumference direction of the combustion pool. When the corn cobs are completely burned, the ash produced can be discharged through the ash discharge port. In addition, multiple discharge ports are opened at the bottom of the combustion pool. When the wood used is not all corn cobs, the residue after the wood is burned can fall down along the discharge ports.
[0011] Preferably, the storage bin has a feeding port for feeding wood, and a sealing cap is provided on the top of the feeding port, which cooperates with the storage bin to form a seal.
[0012] Preferably, the furnace body is also included, wherein a combustion-supporting channel is provided in the furnace body, and air flows in the combustion-supporting channel. The storage hopper is inserted into the top of the furnace body, and the combustion pool is arranged in the combustion-supporting channel. A limiting ring is fixedly connected to one side of the storage hopper, and the limiting ring abuts against the furnace body.
[0013] In this embodiment, an observation port is provided on the side wall of the furnace body. A transparent plate is fixedly connected inside the observation port, which allows observation of the burning of corn cobs inside the combustion pool and transmits the flames into the room, providing visible light to the room.
[0014] Preferably, the combustion channel has an air inlet, an air inlet valve is rotatably connected inside the air inlet, at least one air inlet hole is opened through the air inlet valve, and a control rod is fixedly connected to one side of the air inlet valve.
[0015] Preferably, the combustion-supporting channel has an air outlet, and a top cover is fixedly connected inside the air outlet. The top cover is used to discharge the air flowing inside the combustion-supporting channel.
[0016] It should be noted that when the furnace is used for indoor heating, pipes need to be installed on the top cover to extend to the outside so that indoor air can be exchanged with outdoor air.
[0017] Preferably, a heating zone is provided on the top of the furnace body, and the heating zone is located between the top cover and the storage hopper.
[0018] Compared with the prior art, the advantages of this utility model include:
[0019] (1) The wood carbonization heating stove provided by this utility model, after the corn cobs in the combustion pool are completely burned, the corn cobs will fall into the combustion pool by their own weight and continue to burn. There is no need to manually add corn cobs, which extends the effective heating time of the wood carbonization heating stove and does not require frequent addition of wood, thus improving the comfort of using the wood carbonization heating stove.
[0020] (2) The wood carbonization heating stove provided by this utility model can transfer the hot air from the combustion pool to the inside of the storage bucket. The hot air will carbonize the surface of the unburned wood. By pre-treating the surface of the wood with carbonization, the moisture in the wood will be decomposed and released in advance. The wood does not need to consume this part of the energy when it is burning, so the combustion process is smoother, the energy release is more concentrated, the combustion efficiency is improved, and the waste of wood is reduced.
[0021] (3) The wood carbonization heating stove provided by this utility model has a closed top of the storage bucket, which allows the exhaust gas generated by the carbonization of the wood surface to move downward into the combustion pool. The combustibles in the exhaust gas are ignited by the fire in the combustion pool, which reduces exhaust gas emissions and has a high energy utilization rate, thus improving the heating effect of the wood carbonization heating stove. Attached Figure Description
[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0023] Figure 1 This is an overall schematic diagram of the wood carbonization heating stove of this utility model;
[0024] Figure 2 This is a schematic diagram of the connection structure between the furnace body and the combustion carbonization barrel in this utility model;
[0025] Figure 3 This is a schematic diagram of the structure of the side panel of this utility model;
[0026] Figure 4 This is a schematic diagram of the intake valve structure in this utility model;
[0027] Figure 5 This is a schematic diagram of the combustion carbonization barrel in this utility model;
[0028] Figure 6 This is a schematic diagram of the exhaust pipe in this utility model.
[0029] Figure label:
[0030] 1. Furnace body; 2. Rocker arm; 3. Exhaust pipe; 4. Top cover; 5. Heating zone; 6. Storage hopper; 7. Limiting ring; 8. Sealing cover; 9. Side panel; 10. Air inlet valve; 11. Ash box; 12. Transparent panel; 13. Handle; 14. Combustion tank; 15. Filter screen; 16. Ash discharge port; 17. Support plate; 18. Knob; 19. Adjusting blade; 20. Control lever. Detailed Implementation
[0031] In view of the shortcomings of the prior art, the inventor of this utility model has, through long-term research and extensive practice, proposed the technical solution of this utility model. The following will further explain and illustrate the technical solution, its implementation process, and its principles in conjunction with the accompanying drawings and specific implementation examples.
[0032] It should be noted that the embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention. The described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, the present invention covers any substitutions, modifications, equivalent methods and solutions made within the spirit, principles and scope of the present invention as defined by the claims. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0033] In the description of this application, the terms "first," "second," "third," and similar words do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms "a" or "one," and similar words, do not indicate a quantity limitation, but rather indicate the presence of at least one. The terms "comprising" or "including," and similar words, mean that the elements or objects preceding "comprising" or "including" encompass the elements or objects listed following "comprising" or "including," and their equivalents, but do not exclude other elements or objects. The terms "connected" or "linked," and similar words, are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect.
[0034] In the description of this application, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this application and for simplification, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, when using positional terms such as "both sides," "outer side," and "upper and lower," it should be understood that they are used only for ease of understanding and description, taking into account that the structure may be oriented to other positions.
[0035] In the description of this application, unless otherwise expressly specified and limited, the technical or scientific terms used shall have the ordinary meaning understood by a person with ordinary skills in the art to which this application pertains. Terms such as “installation,” “connection,” and “joining” shall be interpreted broadly, for example, as fixed connection, detachable connection, mating connection, or integral connection. For a person skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.
[0036] This utility model embodiment is intended to introduce and explain the structural composition of the wood carbonization heating stove and the cooperation relationship between the various components. Unless otherwise specified, the dimensions, materials and manufacturing processes of the various components in the wood carbonization heating stove in this utility model embodiment can be selected according to specific circumstances, and no special limitations or explanations are made here.
[0037] Furthermore, to provide the public with a better understanding of this utility model, certain specific details are described in detail in the following description. However, those skilled in the art can fully understand this utility model even without these detailed descriptions.
[0038] Example 1
[0039] Please see Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 The wood carbonization heating stove includes a storage bin 6 and a combustion pool 14 connected to each other. The storage bin 6 is used to hold wood, which is pressed inside the storage bin 6. The combustion pool 14 is provided with ventilation holes. The storage bin 6 is located above the combustion pool 14 and communicates with the combustion pool 14, so that the hot air generated in the combustion pool 14 forms vertical convection in the storage bin 6.
[0040] In this embodiment, the storage bin 6 is made of sheet metal. Among crop straw, fruit tree branches, miscellaneous tree branches, and wood processing scraps, corn cobs after removing the corn kernels from crop straw are preferred. Corn cobs are small in volume, and more corn cobs can be filled within the fixed space capacity inside the storage bin 6.
[0041] Specifically, the combustion pool 14 has multiple ash discharge ports 16 along its circumference so that combustion residue can fall through the ash discharge ports 16. Ventilation holes are located at the bottom of the combustion pool 14, and the ash discharge ports 16 on the side can be used for air flow so that air can enter the combustion pool 14 to aid combustion.
[0042] In this embodiment, the ash discharge port 16 is located in the circumferential direction of the combustion pool 14. When the corn cobs are completely burned, the ash produced can be discharged through the ash discharge port 16. In addition, the bottom of the combustion pool 14 is provided with multiple discharge ports. When the wood used is not all corn cobs, the residue after the wood is burned can fall down along the discharge ports.
[0043] Specifically, the storage bin 6 has a wood feeding port, and a sealing cap 8 is provided on the top of the feeding port. The sealing cap 8 cooperates with the storage bin 6 to form a seal, thereby sealing the top of the storage bin 6 so that air cannot flow inside the storage bin 6. This ensures that there is not enough air inside the storage bin 6 to support combustion when the combustion pool 14 is burning, thus preventing the wood inside the storage bin 6, i.e., the corn cobs, from burning prematurely. Moreover, the heat from the combustion in the combustion pool 14 can be transferred to the inside of the storage bin 6. The heat will carbonize the surface of the unburned wood. Through the surface carbonization pretreatment of the wood, the moisture in the wood will be decomposed and released in advance. The wood does not need to consume this part of the energy when burning, thus making the combustion process smoother, the energy release more concentrated, and the combustion efficiency improved.
[0044] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 The furnace includes a furnace body 1, which has a combustion channel with flowing air. A storage bucket 6 is inserted into the top of the furnace body 1. A combustion pool 14 is set in the combustion channel. A limit ring 7 is fixedly connected to one side of the storage bucket 6, and the limit ring 7 abuts against the furnace body 1.
[0045] Understandably, the top of the furnace body 1 has an insertion port, through which the storage bucket 6 is inserted into the combustion channel.
[0046] In this embodiment, a filter screen plate 15 is fixedly installed inside the furnace body 1. An ash collection trough is formed between the filter screen plate 15 and the inner wall of the furnace body 1. An ash box 11 is slidably installed in the ash collection trough. The ash box 11 is used to receive the combustion residue that falls inside the combustion pool 14. This arrangement facilitates the subsequent cleaning of the combustion residue and also facilitates the cleaning of the inside of the furnace body 1. A handle 13 is fixedly connected to one side of the ash box 11. The ash box 11 can be pulled out by applying force to the handle 13.
[0047] Please see Figure 3 The combustion channel has an air inlet, and an air inlet valve 10 is rotatably connected inside the air inlet. At least one air inlet hole is opened through the air inlet valve 10. A control rod 20 is fixedly connected to one side of the air inlet valve 10. By applying force to the control rod 20, the air inlet valve 10 can be rotated to open or close.
[0048] Specifically, an adjustment port is provided inside the intake valve 10, which is connected to the inside of the intake port. A turntable is rotatably connected inside the adjustment port. The turntable is provided with adjustment blades 19 that are adapted to the shape and number of the intake port. A knob 18 is fixedly connected to one end of the turntable that extends to the outside of the intake valve 10. By applying force to the knob 18, the adjustment blades 19 can be rotated. By adjusting the gap between the adjustment blades 19 and the intake port, the amount of air entering the combustion channel per unit time can be adjusted when the intake valve 10 closes the intake port.
[0049] Preferably, the combustion-supporting channel has an air outlet, and a top cover 4 is fixedly connected inside the air outlet. The top cover 4 is used to discharge the air flowing inside the combustion-supporting channel.
[0050] Specifically, a rocker arm 2 is rotatably connected inside the top cover 4, with one end of the rocker arm 2 extending to the outside of the top cover 4. An exhaust pipe 3 is rotatably connected inside the top cover 4, and the exhaust pipe 3 is fixedly connected to the rocker arm 2. By applying force to the rocker arm 2, the exhaust pipe 3 can be rotated. By rotating the exhaust pipe 3, the size of the space for exhaust between the top cover 4 and the exhaust pipe 3 can be adjusted.
[0051] An observation port is provided on the side wall of the furnace body 1, and a transparent plate 12 is fixedly connected inside the observation port, so that the burning of corn cobs inside the combustion pool 14 can be observed through the transparent plate 12.
[0052] Specifically, a heating zone 5 is provided on the top of the furnace body 1. The heating zone 5 is located between the top cover 4 and the storage bin 6. Pots or kettles can be placed on the heating zone 5 to heat food or boil water using the heat transferred when the wood is burning. A side panel 9 is rotatably connected to one side of the furnace body 1, and at least one support plate 17 is rotatably connected to one side of the furnace body 1. One side of the support plate 17 can abut against the side panel 9. By rotating the side panel 9 to make it horizontal with the top of the furnace body 1, and then rotating the support plate 17 to abut against the bottom of the side panel 9, the space on the top of the furnace body 1 can be expanded to accommodate items.
[0053] Working principle:
[0054] When loading wood, the storage bin 6 is opened by applying force to the sealing cover 8, and then the corn cobs are poured into the storage bin 6. The sealing cover 8 is then closed, and the storage bin 6 is inserted into the insertion port of the furnace body 1. The air inlet valve 10 is turned to open, and then the corn cobs inside the combustion pool 14 are ignited. The heat generated by burning the corn cobs can be used for heating. The heat from the combustion in the combustion pool 14 can be transferred to the inside of the storage bin 6. The heat will carbonize the surface of the unburned wood. Through the surface carbonization pretreatment of the wood, the moisture in the wood will be decomposed and released in advance, so the wood does not need to consume this part of the energy when burning. Since the sealing cover 8 closes the top of the storage bin 6, the exhaust gas generated by the carbonization of the wood surface moves downward into the combustion pool 14. The combustibles in the exhaust gas are ignited by the fire in the combustion pool 14, reducing exhaust emissions and increasing energy utilization. After the corn cobs in the combustion pool 14 are completely burned, the corn cobs will fall into the combustion pool 14 by their own weight to continue burning, thereby maintaining the overall temperature of the wood carbonization heating furnace.
[0055] It should be understood that the above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. It should not be considered that the specific implementation of this utility model is limited to these descriptions. For those skilled in the art to which this utility model pertains, several simple deductions or substitutions can be made without departing from the concept of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be covered within the protection scope of this utility model.
Claims
1. A wood-burning stove, characterized in that The wood stove comprises a storage barrel (6) and a combustion pool (14), the storage barrel (6) is used for accommodating wood, the wood is pressed in the storage barrel (6), the combustion pool (14) is provided with a ventilation hole, the storage barrel (6) is located above the combustion pool (14) and communicates with the combustion pool (14), so that hot gas generated in the combustion pool (14) forms vertical convection in the storage barrel (6).
2. The wood gasification stove of claim 1, wherein: The combustion pool (14) is provided with a plurality of ash discharge ports (16) for discharging combustion residues along the circumferential direction, and the ventilation hole is arranged at the bottom of the combustion pool (14).
3. The wood-burning stove as claimed in claim 1, characterized in that: The storage barrel (6) has a wood feeding port, and a sealing cover (8) is arranged on the top of the wood feeding port, and the sealing cover (8) cooperates with the storage barrel (6) to form a closed space.
4. The wood gasification stove of claim 1, wherein: The wood stove further comprises a furnace body (1), the furnace body (1) is provided with a combustion supporting channel, the combustion supporting channel is provided with flowing air, the storage barrel (6) is inserted into the top of the furnace body (1), the combustion pool (14) is arranged in the combustion supporting channel, one side of the storage barrel (6) is fixedly connected with a limiting ring (7), and the limiting ring (7) abuts against the furnace body (1).
5. The wood gasification stove of claim 4, wherein: The combustion supporting channel is provided with an air inlet, the air inlet is rotatably connected with an air inlet valve (10), at least one air inlet hole is arranged in the air inlet valve (10), and one side of the air inlet valve (10) is fixedly connected with a control rod (20).
6. The wood gasification stove of claim 5, wherein: The combustion supporting channel is provided with an air outlet, the air outlet is fixedly connected with a top cover (4), and the top cover (4) is used for discharging the flowing air in the combustion supporting channel.
7. The wood-burning stove according to claim 6, characterized in that: The top of the furnace body (1) is provided with a heating area (5), and the heating area (5) is arranged between the top cover (4) and the storage barrel (6).