Novel smokeless dust-free firewood coal gasifier
By setting a mobile shuttle plate and setting multiple air inlets at the bottom of the combustion chamber of the diesel gasifier, multiple return air and sufficient combustion assistance are achieved, the problems of insufficient combustion and large smoke emissions of the diesel gasifier are solved, the combustion efficiency and heating effect are improved, and environmental pollution is reduced.
Patent Information
- Application Number
- CN202421956645.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-13
AI Technical Summary
During the use of the existing diesel coal gasifier, there are problems such as insufficient raw material combustion, large smoke emissions, and poor furnace chamber sealing, resulting in low combustion efficiency, affecting the heating effect and polluting the environment.
A new smokeless and dust-free diesel coal gasification furnace is designed. By setting a mobile shuttle plate at the bottom of the combustion chamber, the gasification effect inside the combustion chamber is adjusted; at the same time, the air intake chamber, slag discharge port, the first air intake port and the second air intake port are set up to achieve multiple return air and improve combustion efficiency; a third air intake port is set up on the side of the base to fully assist combustion by controlling the pressure difference.
Through multiple return air and sufficient combustion aid, the adequacy and efficiency of combustion are improved, smoke emissions are reduced, heating effects are improved, and environmental pollution is reduced.
Smart Images
Figure CN222978120U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of firewood gasifiers, and particularly relates to a new type of smokeless and dustless firewood gasifier. Background Art
[0002] A firewood gasifier is a device used for burning solid fuels (such as coal, wood, or crop straw, etc.) for heating, and during use, it can conduct heat for heating through a base and a tabletop, and is suitable for household heating.
[0003] When a traditional firewood gasifier is in use, since there is mostly only one combustion, problems such as incomplete combustion of raw materials, large emissions of soot generated by combustion, and poor sealing of the furnace cavity occur, resulting in low combustion efficiency of the combustibles, thereby affecting the heating effect, and at the same time, there is also a problem of environmental pollution. To solve the above problems, a new type of smokeless and dustless firewood gasifier is proposed, which improves the combustion efficiency and reduces soot emissions through various structural optimizations. Summary of the Utility Model
[0004] The technical problem to be solved by the utility model is that the existing firewood gasifier has problems such as incomplete combustion of raw materials, large emissions of soot generated by combustion, and poor sealing of the furnace cavity during use, resulting in low combustion efficiency of the combustibles, thereby affecting the heating effect, and at the same time, there is also a problem of environmental pollution.
[0005] To solve the above technical problems, the technical solution provided by the utility model is: a new type of smokeless and dustless firewood gasifier, including a base and a tabletop. The upper part of the base is fixedly connected to the bottom of the tabletop through an outer cylinder, and a smoke exhaust cavity is arranged on one side of the outer cylinder. Inside the outer cylinder above the base, there is a furnace cylinder. The middle of the furnace cylinder is separated into a combustion cavity by a furnace core, and air inlet cavities are arranged on both sides inside the furnace cylinder. A baffle is arranged between the top of the outer cylinder and the furnace cylinder, and the lower part of the baffle is communicated with the combustion cavity. Both air inlet cavities on both sides are communicated with the combustion cavity. A furnace cover is arranged in the middle of the baffle at the top of the furnace cylinder; a corresponding slag discharge port is arranged above the base at the position of the combustion cavity, and a rotary slag discharge tooth is arranged at the slag discharge port. A plurality of corresponding first air inlets are arranged at the air inlet cavity outside the slag discharge port, and a plurality of second air inlets are arranged between the outer cylinder and the furnace cylinder outside the slag discharge port. A movable shuttle plate is arranged at the bottom of the slag discharge port, and the movable shuttle plate is slidably connected to the base. A gas guiding cavity is arranged on one side of the slag discharge port, and the gas guiding cavity is communicated with one side of the base.
[0006] Preferably, an opening matching the shape of the furnace cylinder is arranged in the middle of the tabletop, and the upper end surfaces of the baffle and the furnace cover are on the same plane as the upper end surface of the tabletop.
[0007] Preferably, a smoke guide pipe is arranged inside the smoke exhaust cavity, one end of the smoke guide pipe is located on the tabletop, and the other end is communicated with the inner side of the furnace barrel.
[0008] Preferably, a furnace table is arranged above the furnace barrel and the furnace core, and the height of the furnace table gradually decreases from outside to inside, and the height of the upper end surface of the furnace table is lower than the height of the baffle plate.
[0009] Preferably, the shape of the furnace cover matches the shape of the inner side of the baffle plate, the lower part of the furnace cover abuts against the upper end surface of the furnace table, and a plurality of air guide ports are arranged between the furnace cover and the upper end surface of the furnace table.
[0010] Preferably, the slag discharge port extends below the base, and a plurality of support teeth are arranged inside the slag discharge port and are staggered with the rotary slag discharge teeth.
[0011] Preferably, the rotary slag discharge teeth are rotatably connected to the slag discharge port, one end of the rotary slag discharge teeth is rotatably connected to the base, and a rotary handle is arranged outside the base.
[0012] Preferably, the moving shuttle plate matches the external shape of the slag discharge port, the upper end surface of the moving shuttle plate abuts against the lower end surface of the slag discharge port, a connecting rod is fixedly connected to the moving shuttle plate, the middle of the connecting rod is rotatably connected to the inner side of the base through a rotating seat, and the other end of the connecting rod passes through the base and a regulating handle is arranged outside the base, and a corresponding regulating groove is arranged on the side surface of the base at the position of the connecting rod.
[0013] Preferably, a third air inlet is arranged on one side of the base of the air guide cavity, the other end of the air guide cavity is connected through a plurality of air guide holes on one side of the slag discharge port, and the upper part of the air guide cavity is communicated with one of the first air inlets.
[0014] The advantages of the present utility model compared with the prior art are as follows:
[0015] 1. By arranging a moving shuttle plate at the bottom of the combustion cavity, the present firewood gasifier can freely adjust the gasification effect inside the combustion cavity, thereby making the combustion more sufficient, or sealing the inside of the combustion cavity to reduce the direct external air intake volume;
[0016] 2. By arranging an air inlet cavity, a slag discharge port, a first air inlet and a second air inlet, the present firewood gasifier can effectively increase the internal air intake volume, thereby realizing multiple air returns, making the combustion more sufficient, reducing the emission of unburned gases, and improving the combustion efficiency;
[0017] 3. By arranging a third air inlet on the side surface of the base, the present firewood gasifier controls the pressure difference inside and outside the furnace cavity through the opening and closing of the third air inlet, thereby expanding the air intake volume and realizing sufficient combustion support. The sealing air holes can also be externally connected with ventilation equipment to further increase the air intake volume and improve the combustion effect. Brief Description of the Drawings
[0018] Figure 1 This is the structure of a new type of smokeless and dustless firewood gasifier of the present utility model Figure 1 .
[0019] Figure 2 This is the structure of a new type of smokeless and dustless firewood gasifier of the present utility model Figure 2 .
[0020] Figure 3 This is the three-dimensional structure diagram of the horizontal section of a new type of smokeless and dustless firewood gasifier of the present utility model
[0021] Figure 4 This is the three-dimensional structure diagram of the longitudinal section of a new type of smokeless and dustless firewood gasifier of the present utility model
[0022] As shown in the figure
[0023] 1. Base; 2. Tabletop; 3. Outer cylinder; 4. Smoke exhaust chamber; 5. Furnace cylinder; 6. Furnace core; 7. Combustion chamber; 8. Intake chamber; 9. Baffle; 10. Furnace cover; 11. Slag discharge port; 12. Rotary slag discharge teeth; 13. First intake port; 14. Second intake port; 15. Movable shuttle plate; 16. Air guide chamber; 17. Smoke guide pipe; 18. Furnace platform; 19. Multiple air guide ports; 20. Support teeth; 21. Rotary handle; 22. Connecting rod; 23. Rotating seat; 24. Adjusting handle; 25. Adjusting groove; 26. Third intake port; 27. Multiple air guide holes Detailed Implementation Modes
[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model
[0025] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, terms such as "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations
[0026] Embodiment 1
[0027] As shown in the attached specificationFigures 1-4 As shown in the figure, a new type of smokeless and dustless firewood gasifier includes a base 1 and a tabletop 2. The upper part of the base 1 is fixedly connected to the bottom of the tabletop 2 through an outer cylinder 3. One side of the outer cylinder 3 is provided with a smoke exhaust cavity 4. A smoke guide pipe 17 is arranged inside the smoke exhaust cavity 4. One end of the smoke guide pipe 17 is located on the tabletop 2, and the other end is communicated with the inner side of the furnace cylinder 5. An opening matching the shape of the furnace cylinder 5 is arranged in the middle of the tabletop 2. The furnace cylinder 5 is arranged inside the outer cylinder 3 above the base 1. The middle of the furnace cylinder 5 is separated into a combustion cavity 7 by a furnace core 6. And air inlet cavities 8 are arranged on both sides inside the furnace cylinder 5.
[0028] In the present utility model, a baffle 9 is arranged between the tops of the outer cylinder 3 and the furnace cylinder 5, and the lower part of the baffle 9 is communicated with the combustion cavity 7. The two air inlet cavities 8 are communicated with the combustion cavity 7. A furnace platform 18 is arranged above the furnace cylinder 5 and the furnace core 6, and the height of the furnace platform 18 gradually decreases from the outside to the inside. The height of the upper end surface of the furnace platform 18 is lower than the height of the baffle 9. A furnace cover 10 is arranged in the middle of the top of the furnace cylinder 5 and located on the baffle 9. The upper end surfaces of the baffle 9 and the furnace cover 10 are on the same plane as the upper end surface of the tabletop 2. The shape of the inner side of the furnace cover 10 matches that of the baffle 9, and the lower part of the furnace cover 10 abuts against the upper end surface of the furnace platform 18. A plurality of air guide ports 19 are arranged between the furnace cover 10 and the upper end surface of the furnace platform 18.
[0029] In the present utility model, a corresponding slag discharge port 11 is arranged above the base 1 at the position of the combustion cavity 7, and a rotary slag discharge tooth 12 is arranged at the slag discharge port 11. The slag discharge port 11 extends below the base 1, and a plurality of support teeth 20 staggered with the rotary slag discharge tooth 12 are arranged inside the slag discharge port 11. The rotary slag discharge tooth 12 is rotatably connected to the slag discharge port 11. One end of the rotary slag discharge tooth 12 is rotatably connected to the base 1, and a rotary handle 21 is arranged outside the base 1.
[0030] In the present utility model, a corresponding plurality of first air inlets 13 are provided at the outer side of the slag discharge port 11 at the air inlet cavity 8, and a plurality of second air inlets 14 are provided at the outer side of the slag discharge port 11 between the outer cylinder 3 and the furnace cylinder 5. A movable shuttle plate 15 is provided at the bottom of the slag discharge port 11, and the movable shuttle plate 15 is slidably connected to the base 1. The movable shuttle plate 15 matches the external shape of the slag discharge port 11, and the upper end surface of the movable shuttle plate 15 abuts against the lower end surface of the slag discharge port 11. A connecting rod 22 is fixedly connected to the movable shuttle plate 15. The middle of the connecting rod 22 is rotatably connected to the inner side of the base 1 through a rotating seat 23, and the other end of the connecting rod 22 passes through the base 1 and an adjusting handle 24 is provided at the outer side of the base 1. An adjusting groove 25 corresponding to the connecting rod 22 is provided on the side surface of the base 1. An air guide cavity 16 is provided on one side of the slag discharge port 11. A third air inlet 26 is provided at the air guide cavity 16 on one side of the base 1, and the other end of the air guide cavity 16 is connected to one side of the slag discharge port 11 through a plurality of air guide holes 27. The upper part of the air guide cavity 16 communicates with one of the first air inlets 13.
[0031] When the present utility model is specifically implemented, the furnace cover 10 is opened and solid fuel is put into the interior of the combustion cavity 7 from above. After being ignited, the furnace cover 10 is buckled for use. By adjusting the position of the movable shuttle plate 15 below the base 1, the air intake amount at the bottom of the combustion cavity 7 is changed. At the same time, by moving the adjusting handle 24 in the adjusting groove 25, the movable shuttle plate 15 is separated from the bottom of the slag discharge port 11, and the rotary slag discharge teeth 12 are rotated by rotating the handle 21 to expand the space at the bottom of the combustion cavity 7, thereby discharging slag from the interior of the combustion cavity 7; during the combustion process, external gas enters the interior of the base 1 through the third air inlet 26 or the adjusting groove 25 on the side surface of the base 1, and then enters the combustion cavity 7 through the slag discharge port 11 below the base 1 to form the first return air. At the same time, external air enters the air inlet cavities 8 on both sides of the furnace cylinder 5 through a plurality of first air inlets 13 and the air in the air inlet cavities 8 is sent into the interior of the combustion cavity 7 to form the second return air. Finally, the gas generated by the combustion of the first return air and the second return air enters the interior of the outer cylinder 3 through the connection between the top of the combustion cavity 7 and the baffle 9 and a plurality of air guide ports 19 on the furnace cover 10, and is shunted by the smoke guide pipe 17 at the outer cylinder 3. Part of it is discharged through the smoke guide pipe 17, and the other part is re-sent into the channels of the first return air and the second return air through the air guide cavity 16 to form the third return air; in addition, an external blower can be connected to the third air inlet 26 on one side of the air guide cavity 16 to increase the air supply amount, and at the same time, air is directly supplied through a plurality of air guide holes 27 on one side of the air guide cavity 16 to communicate with the slag discharge port 11 at the bottom of the combustion cavity 7.
[0032] The above description is made on the present utility model and its implementation manners. Such description is not restrictive. What is shown in the specific implementation manners is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and without departing from the gist of the creation of the present utility model, they design without creativity structural modes and embodiments similar to the technical solution, all of which shall fall within the protection scope of the present utility model.
Claims
1. A new type of smokeless and dustless wood coal gasification furnace, including a base and a table, characterized in that: The top of the base is fixedly connected to the bottom of the tabletop through an outer tube, and a smoke exhaust chamber is provided on one side of the outer tube. A furnace barrel is provided inside the outer tube above the base, a combustion chamber is separated in the middle of the furnace barrel by a furnace core, and air intake chambers are provided on both sides of the furnace barrel. A baffle plate is provided between the outer tube and the top of the furnace barrel, and the bottom of the baffle plate is connected to the combustion chamber, and the air intake chambers on both sides are connected to the combustion chamber, and a furnace cover is provided on the top of the furnace barrel in the middle of the baffle plate; A corresponding slag discharge port is arranged above the base at the combustion chamber, and a rotating slag discharge tooth is arranged at the slag discharge port, a plurality of corresponding first air inlets are arranged at the air inlet chamber on the outside of the slag discharge port, and a plurality of second air inlets are arranged between the outer tube and the furnace tube on the outside of the slag discharge port, a movable shuttle plate is arranged at the bottom of the slag discharge port, and the movable shuttle plate is slidably connected to the base, an air guide cavity is arranged on one side of the slag discharge port, and the air guide cavity is connected to one side of the base.
2. A novel smokeless and dustless wood coal gasification furnace according to claim 1, characterized in that: An opening matching the shape of the furnace drum is arranged in the middle of the table top, and the upper end surfaces of the baffle plate and the furnace cover are located on the same plane as the upper end surface of the table top.
3. A novel smokeless and dustless wood coal gasification furnace according to claim 1, characterized in that: A smoke guide pipe is arranged inside the smoke exhaust cavity, and one end of the smoke guide pipe is located on the table top, and the other end is communicated with the inner side of the furnace barrel.
4. A novel smokeless and dustless wood coal gasification furnace according to claim 1, characterized in that: A furnace platform is arranged above the furnace barrel and the furnace core, and the height of the furnace platform gradually decreases from the outside to the inside, and the height of the upper end surface of the furnace platform is lower than the height of the baffle plate.
5. A novel smokeless and dustless wood coal gasification furnace according to claim 4, characterized in that: The furnace cover matches the shape of the inner side of the baffle plate, and the lower part of the furnace cover abuts against the upper end surface of the furnace platform. The furnace cover is located between each shift and the upper end surface of the furnace platform and is provided with a plurality of air guide ports.
6. The novel smokeless and dustless wood coal gasification furnace according to claim 1 is characterized in that: The slag discharge port is extended below the base, and a plurality of supporting teeth are arranged on the inner side of the slag discharge port and are staggered with the rotating slag discharge teeth.
7. The novel smokeless and dustless wood coal gasification furnace according to claim 1 is characterized in that: The rotating slag discharge tooth is rotatably connected to the slag discharge port, one end of the rotating slag discharge tooth is rotatably connected to the base, and a rotating handle is arranged on the outer side of the base.
8. The novel smokeless and dustless wood coal gasification furnace according to claim 1 is characterized in that: The movable shuttle plate matches the external shape of the slag discharge port, and the upper end surface of the movable shuttle plate abuts against the lower end surface of the slag discharge port, a connecting rod is fixedly connected to the movable shuttle plate, the middle of the connecting rod is rotatably connected to the inner side of the base through a rotating seat, and the other end of the connecting rod passes through the base and is provided with an adjustment handle on the outside of the base, and a corresponding adjustment groove is provided on the side of the base at the connecting rod.
9. The novel smokeless and dustless wood coal gasification furnace according to claim 1 is characterized in that: The air guide cavity is located on one side of the base and is provided with a third air inlet, and the other end of the air guide cavity is located on one side of the slag discharge port and is connected through multiple air guide holes, and the top of the air guide cavity is connected to the first air inlet on one side.