Firewood-burning gasification furnace
By controlling the automatic opening and closing of the sealing door with a drive motor, the safety hazards caused by manual operation of the sealing door of the wood-fired gasification furnace are solved, and the safety and combustion efficiency are improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-27
AI Technical Summary
The existing wood-fired gasification furnace sealing door requires manual operation, which poses a risk of flammable gas leaking out when the door is opened, increasing the probability of users coming into contact with hot parts, resulting in poor safety.
The system uses a drive motor to move rollers and connecting rods to automatically control the opening and closing of the sealing door, preventing users from directly contacting the gasifier body. Combined with silicon carbide ceramic plates and honeycomb catalytic coating, it improves combustion efficiency and environmental friendliness.
It has enabled automated operation of the sealing door, improved safety, prevented gas leakage, and enhanced combustion efficiency and environmental friendliness.
Smart Images

Figure CN224047288U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gasification furnace technical field, concretely is a kind of burn gasification furnace of firewood. BACKGROUND
[0002] Burn gasification furnace of firewood is a kind of device that biomass fuel such as wood, straw is converted into combustible gas by high-temperature pyrolysis technology, and its core purpose is efficient combustion, reduce pollution and make full use of energy.
[0003] Burn gasification furnace of firewood needs to add biomass fuel such as wood from the feed inlet of one side when using, feed inlet generally will be provided with sealing door, but the opening and closing of existing sealing door often needs to be manually operated by user, combustible gas can overflow when opening door, encounter open flame and cause flash (especially contain tar gas), increase the probability that user contacts hot component, and safety is poor. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of burn gasification furnace of firewood to solve the problems presented in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of burn gasification furnace of firewood, including gasification furnace main body, feed inlet, sealing door and furnace mouth, the side of the gasification furnace main body is provided with feed inlet, the bottom end in the gasification furnace main body is provided with furnace grate, the bottom end of the side of the gasification furnace main body is evenly provided with through hole, and one end of the top of the gasification furnace main body is provided with furnace mouth, the gasification furnace main body on the side of the furnace mouth is provided with chimney, the side of the feed inlet is connected with sealing door by hinge, and the gasification furnace main body on the side of the feed inlet is provided with roller shaft by support, the both ends of the roller shaft are provided with connecting rod, and the connecting rod is evenly connected with sealing door by fixed part, the top of the support is fixed with drive motor, and the output end of the drive motor is connected with roller shaft.
[0006] Preferably, the side of the gasification furnace main body is provided with observation window, and the observation window is made of tempered borosilicate glass.
[0007] Preferably, the inner side wall of the gasification furnace main body is sequentially provided with heat insulation buffer layer and silicon carbide ceramic plate from outside to inside, and the heat insulation buffer layer is made of aluminum silicate fiber cotton.
[0008] Preferably, the top end of the furnace mouth is provided with furnace cover, and the outside of the furnace mouth is evenly provided with fastener by rotating seat.
[0009] Preferably, the fastener is connected with furnace cover, and the bottom surface of the fastener is provided with anti-skid pad.
[0010] Preferably, the outside of the chimney is wrapped with heat insulation sleeve, and the heat insulation sleeve is made of aluminum foil composite glass fiber.
[0011] Preferably, an ash chute is arranged in the gasification furnace body below the grate, and slide rails are arranged on both sides of the ash chute, and slide grooves matching the slide rails are arranged on both sides of the gasification furnace body.
[0012] Preferably, the surface of the silicon carbide ceramic plate is provided with a honeycomb catalytic coating, and the honeycomb catalytic coating is made by loading a catalyst active component on a honeycomb-shaped ceramic.
[0013] Compared with the prior art, the beneficial effects of the utility model are: the gasification furnace is provided with a gasification furnace body, a feed inlet, a sealing door, a support, a roller shaft, a driving motor, a connecting rod and a fixing piece, the feed inlet is provided with the sealing door, the sealing door is opened to expose the feed inlet when adding the biomass fuel, the roller shaft is rotated by the driving motor, thereby driving the connecting rod and the fixing piece to rotate, the sealing door is automatically opened and closed by rotation, the user does not need to touch the gasification furnace body when adding the biomass fuel, thereby avoiding being scalded, the driving motor torque controls the pressing force of the sealing door, thereby ensuring that the sealing door is not deformed and does not leak under high temperature, the torque of the driving motor automatically compensates the impact of the air pressure on the sealing door, thereby preventing accidental blowing open. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as limiting the scope, and for the ordinary skilled in the art, other related drawings can be obtained without creative labor according to these drawings.
[0015] Figure 1 It is the front view structural schematic diagram of the utility model;
[0016] Figure 2 It is the side view structural schematic diagram of the utility model;
[0017] Figure 3 It is the furnace mouth overhead view structural schematic diagram of the utility model;
[0018] Figure 4 It is the local section structural schematic diagram of the utility model;
[0019] Figure 5 It is the gasification furnace body side wall section structural schematic diagram of the utility model.
[0020] In the figure: 1, gasification furnace main body; 2, feed inlet; 3, sealing door; 4, support; 5, through hole; 6, observation window; 7, furnace mouth; 8, furnace cover; 9, chimney; 10, heat insulation sleeve; 11, driving motor; 12, roller; 13, connecting rod; 14, fixing piece; 15, ash chute; 16, rotating seat; 17, fastener; 18, non-slip pad; 19, furnace grate; 20, sliding rail; 21, sliding groove; 22, heat insulation buffer layer; 23, silicon carbide ceramic plate; 24, honeycomb catalytic coating. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0022] Please refer to Figures 1-5 The utility model provides an embodiment: a kind of gasifier, including gasification furnace main body 1, feed inlet 2, sealing door 3 and furnace mouth 7, the side of gasification furnace main body 1 is provided with feed inlet 2, the bottom end in the inside of gasification furnace main body 1 is provided with furnace grate 19, and the bottom end of the side of gasification furnace main body 1 is evenly provided with through hole 5;
[0023] Wood or straw and other biomass fuels are put into from the feed inlet 2 of the side of gasification furnace main body 1, and are accumulated in the hearth to burn, limited oxygen is supplied through the bottom through hole 5, so that the biomass fuel pyrolyzes in the oxygen-deficient environment, to generate combustible gas;
[0024] One end of the top of gasification furnace main body 1 is provided with furnace mouth 7, and the side of furnace mouth 7 is provided with chimney 9 on the gasification furnace main body 1, and the object needing heating is placed in furnace mouth 7 to directly heat, and the waste gas of combustion is discharged through chimney 9;
[0025] The outside of chimney 9 is wrapped with heat insulation sleeve 10, and the heat insulation sleeve 10 is made of aluminum foil composite glass fiber, to avoid scalding users;
[0026] The side of feed inlet 2 is connected with sealing door 3 through hinge, and the side of feed inlet 2 is provided with roller 12 on the gasification furnace main body 1 through support 4, and the both ends of roller 12 are provided with connecting rod 13, and the connecting rod 13 is connected with sealing door 3 through fixing piece 14 evenly;
[0027] The top of support 4 is fixed with driving motor 11, and the output end of driving motor 11 is connected with roller 12;
[0028] When the biomass fuel is added, the sealing door 3 needs to be opened to expose the feeding port 2. The driving motor 11 drives the roller shaft 12 to rotate, thereby driving the connecting rod 13 and the fixing part 14 to rotate, and driving the sealing door 3 to rotate and automatically open and close. When the user adds the biomass fuel, he does not need to touch the gasification furnace body 1, thereby avoiding being scalded;
[0029] Meanwhile, the driving motor 11 controls the pressing force of the sealing door 3 through torque, ensures that the sealing door 3 does not deform and leak under high temperature, and automatically compensates the impact of wind pressure on the sealing door 3 through the torque of the driving motor 11, thereby preventing accidental blowing open;
[0030] An observation window 6 is arranged on one side of the gasification furnace body 1, which is used for observing the combustion in the furnace, and is made of tempered borosilicate glass, which has good high-temperature resistance effect;
[0031] The inner side wall of the gasification furnace body 1 is sequentially provided with a heat insulation buffer layer 22 and a silicon carbide ceramic plate 23 from outside to inside;
[0032] The silicon carbide ceramic plate 23 can long-term resist flame impact. The surface of the silicon carbide ceramic plate 23 is provided with a honeycomb catalytic coating 24, which is made by loading catalyst active components on a honeycomb-shaped ceramic. The honeycomb catalytic coating 24 can efficiently catalyze the cracking of tar and oxidation of CO and other harmful gases in the gasification furnace body 1, thereby improving the combustion efficiency and environmental protection. The heat insulation buffer layer 22 is made of aluminum silicate fiber cotton, which is used for blocking the heat transfer to the outside;
[0033] An ash chute 15 is arranged in the gasification furnace body 1 below the furnace grate 19. The ash chute 15 is provided with sliding rails 20 on both sides. The gasification furnace body 1 is provided with sliding grooves 21 on both sides, which are matched with the sliding rails 20, thereby facilitating the removal of the ash chute 15;
[0034] The top end of the furnace opening 7 is provided with a furnace cover 8. The outer side of the furnace opening 7 is uniformly provided with a fastener 17 through a rotating seat 16. The fastener 17 is in clamping connection with the furnace cover 8. The bottom surface of the fastener 17 is provided with an anti-skid pad 18.
[0035] When not in use, the furnace cover 8 can be covered on the furnace opening 7. Then, the anti-skid pad 18 on the fastener 17 is clamped with the top of the furnace cover 8 by rotating the fastener 17 outside the furnace opening 7 inward. The furnace opening 7 can be protected when the machine is stopped, thereby preventing dust and insects from entering the inside of the gasification furnace body 1 to pollute the fuel.
[0036] Working principle: in use, the biomass fuel such as wood or straw is put into the gasification furnace body 1 from the feed inlet 2 on one side, and is accumulated in the hearth for combustion, limited oxygen supply is carried out through the bottom through hole 5, so that the biomass fuel pyrolyzes in the oxygen-deficient environment, thereby generating combustible gas, the object to be heated is placed at the furnace opening 7 for direct heating, and the exhaust gas is discharged through the chimney 9; when the biomass fuel is added, the sealing door 3 needs to be opened to expose the feed inlet 2, the driving motor 11 drives the roller shaft 12 to rotate, thereby driving the connecting rod 13 and the fixing piece 14 to rotate, and driving the sealing door 3 to rotate and automatically open and close; the user does not need to touch the gasification furnace body 1 when adding the biomass fuel, so as to avoid being scalded; meanwhile, the driving motor 11 controls the pressing force of the sealing door 3 through the torque, so as to ensure that the sealing door 3 does not deform and leak under high temperature; the torque of the driving motor 11 automatically compensates the impact of the wind pressure on the sealing door 3, so as to prevent accidental blowing open; the ash generated after the biomass fuel is burned falls into the ash chute 15; when not in use, the furnace cover 8 can be covered on the furnace opening 7, and then the buckle 17 outside the furnace opening 7 is rotated inward, so that the anti-skid pad 18 on the buckle 17 is clamped with the top of the furnace cover 8, the furnace opening 7 can be protected during shutdown, dust and insects are prevented from entering the inside of the gasification furnace body 1 to pollute the fuel, and the inside wall of the gasification furnace body 1 is sequentially provided with the silicon carbide ceramic plate 23 and the heat insulation buffer layer 22 from inside to outside; the silicon carbide ceramic plate 23 can withstand flame impact for a long time, the honeycomb catalytic coating layer 24 is arranged on the silicon carbide ceramic plate 23, the honeycomb catalytic coating layer 24 is made by loading catalyst active components on the honeycomb ceramic, can efficiently catalyze the pyrolysis of tar, oxidation of CO and other harmful gases in the gasification furnace body 1, and improve the combustion efficiency and environmental protection, and the heat insulation buffer layer 22 is made of aluminum silicate fiber cotton and is used for blocking the outward transmission of heat.
[0037] Obviously, the above-described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.
[0038] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that, when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, work, device, component and / or combination thereof.
[0039] It should be noted that the terms "first", "second", and the like in the description and in the claims of the present application and in the above-described drawings are used only for distinguishing between similar objects and do not necessarily have to describe a specific sequential or chronological order. It is to be understood that the data so distinguished can be interchanged, under appropriate circumstances, such that the embodiments of the present application described herein can be practiced in other than the illustrated or described order.
[0040] The preferred embodiments of the present application have been described above with the preferred embodiments, but the present application is not limited to the above examples. It will be appreciated by those skilled in the art that the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the present application.
Claims
1. A charcoal gasification furnace, characterized by comprising: The utility model provides a gasification furnace, including gasification furnace body (1), feed inlet (2), sealing door (3) and furnace mouth (7), one side of gasification furnace body (1) is provided with feed inlet (2), the bottom of gasification furnace body (1) inside is provided with furnace grate (19), the bottom of one side of gasification furnace body (1) evenly is provided with through -hole (5), and one end of gasification furnace body (1) top is provided with furnace mouth (7), the gasification furnace body (1) of furnace mouth (7) one side is provided with chimney (9), one side of feed inlet (2) is connected with sealing door (3) through hinge, and the gasification furnace body (1) of feed inlet (2) one side is provided with rolling axle (12) through support (4), both ends of rolling axle (12) are provided with connecting rod (13), and connecting rod (13) is evenly connected with sealing door (3) through fixing piece (14), the top of support (4) is fixed with drive motor (11), and the output of drive motor (11) is connected with rolling axle (12).
2. A gasifier according to claim 1, characterized in that: One side of the gasification furnace body (1) is provided with an observation window (6), and the observation window (6) is made of tempered borosilicate glass.
3. A gasifier according to claim 1, wherein: The inner side wall of the gasification furnace body (1) is sequentially provided with a heat insulation buffer layer (22) and a silicon carbide ceramic plate (23) from outside to inside, and the heat insulation buffer layer (22) is made of aluminum silicate fiber cotton.
4. A gasifier according to claim 1, wherein: The top end of the furnace mouth (7) is provided with a furnace cover (8), and the outer side of the furnace mouth (7) is uniformly provided with a fastener (17) through a rotating seat (16).
5. A gasifier according to claim 4, wherein: The fastener (17) is connected with the furnace cover (8), and the bottom surface of the fastener (17) is provided with an anti-skid pad (18).
6. A gasifier according to claim 1, characterized in that: The outer side of the chimney (9) is wrapped with a heat insulation sleeve (10), and the heat insulation sleeve (10) is made of aluminum foil composite glass fiber.
7. A gasifier according to claim 1, wherein: The gasification furnace body (1) below the furnace grate (19) is provided with an ash chute (15), and the both sides of the ash chute (15) are provided with sliding rails (20), and the both sides of the gasification furnace body (1) inside are provided with sliding grooves (21) matched with the sliding rails (20).
8. A gasifier according to claim 3, wherein: The surface of the silicon carbide ceramic plate (23) is provided with a honeycomb catalytic coating (24), and the honeycomb catalytic coating (24) is made of catalyst active components loaded on a honeycomb ceramic.