Biomass combustion furnace

Abstract

The utility model discloses a biomass combustion furnace which comprises a combustion furnace body, an air inlet pipe and an air pump are arranged on one side of the combustion furnace body, an adjusting device is arranged on the air inlet pipe and comprises an adjusting pipe, a fixed pipe and a movable pipe are arranged in the adjusting pipe, a communicating hole is formed in the movable pipe, a communicating head is arranged on the fixed pipe, and a moving plate is arranged at the bottom of the movable pipe. An internal thread is arranged in the adjusting pipe, a moving head matched with the internal thread is arranged on the moving plate, a moving rod and a rotating frame are arranged at the bottom of the moving plate, the rotating frame is provided with a rotating ring, the rotating ring drives the rotating frame and the moving plate to rotate, the moving head rotates on the internal thread, and then the moving plate and the moving pipe are driven to move. And the communicating head moves in the communicating hole, so that the positions of the movable pipe and the fixed pipe are adjusted, the air circulation area is adjusted, the air flow speed is adjusted, the combustion efficiency of the combustion furnace is adjusted, and the practicability and adaptability of the combustion furnace main body are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of combustion furnaces, and more specifically, to a biomass combustion furnace. Background Art

[0002] The biomass combustion furnace puts biomass fuel (such as wood chips, straw, sawdust, etc.) into the furnace, and controls the gas supply and the fuel delivery speed to make the fuel completely burn in the furnace. During the combustion process, the released heat energy is transferred to the wall of the combustion chamber, and then transferred to the working medium (such as water or air) through the heat exchanger, ultimately realizing energy conversion and utilization.

[0003] In the existing technology, the combustion furnace is not convenient enough to adjust the gas flow rate, which may lead to insufficient mixing of fuel and oxygen, affecting the completeness of the combustion process, thereby reducing the combustion efficiency and combustion effect, and easily leading to increased emissions of harmful gases generated during the combustion process, such as carbon monoxide, nitrogen oxides, etc., thereby aggravating environmental pollution. Traditional biomass pellet combustion furnaces lose a lot of heat from the chimney, resulting in a lot of energy waste, and are prone to air pollution, which is not in line with the concept of environmental protection. Summary of the invention

[0004] In view of the problems existing in the prior art, the utility model provides a biomass combustion furnace to solve the technical problem of inconvenient flow rate regulation of the air intake pipe mentioned in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a biomass combustion furnace, including a combustion furnace body, an air intake pipe and an air pump are arranged on one side of the combustion furnace body, a support seat is arranged at the bottom of the air pump, a mounting plate is arranged on the air pump, a driving device and a mounting block are arranged on the support seat, a mounting hole is arranged on the mounting plate, an adjusting device is arranged on the air intake pipe, the adjusting device includes an adjusting pipe, a fixed pipe and a movable pipe are arranged in the adjusting pipe, a connecting hole is arranged on the movable pipe, a connecting head is arranged on the fixed pipe, a movable plate is arranged at the bottom of the movable pipe, an internal thread is arranged in the adjusting pipe, a moving head matching the internal thread is arranged on the movable plate, a movable rod and a rotating frame are arranged at the bottom of the movable plate, and the rotating frame is provided with a rotating ring.

[0006] The utility model is further configured that the driving device includes a driving plate, the driving plate is fixedly connected to the mounting block, and a driving screw is threadedly connected to the driving plate, and the driving screw drives the driving plate and the mounting block to move.

[0007] The utility model is further configured such that a first bevel gear is disposed on the driving screw, a second bevel gear and a driving rod are disposed on the supporting seat, and a hand wheel is disposed on the driving rod, and the driving screw is driven to rotate through the cooperation of the first bevel gear and the second bevel gear.

[0008] The utility model is further configured that a rotating slider is provided on the rotating ring, and a rotating slide groove is provided on the air inlet pipe to limit the position of the rotating ring.

[0009] The utility model is further configured that a limiting ring is provided on the fixed tube for rotation on the adjusting tube to limit the position of the fixed tube and facilitate the rotation of the fixed tube.

[0010] The utility model is further configured that a moving spring is provided between the moving plate and the rotating frame, so that the moving head abuts against the internal thread, thereby improving the stability of the position of the moving plate.

[0011] The utility model is further configured that an exhaust pipe is provided on the combustion furnace body, and a coil is provided on the exhaust pipe to facilitate cooling of the flue gas and recycling of the heat of the flue gas.

[0012] The utility model is further configured that a filter box is provided on the top of the exhaust pipe, and a filter plate and an activated carbon plate are provided on the filter box to facilitate filtering and purifying the smoke.

[0013] Compared with the prior art, the utility model provides a biomass combustion furnace, which has the following beneficial effects:

[0014] 1. The rotating frame and the movable plate are driven to rotate by the rotating ring, and the movable head is rotated on the internal thread to drive the movable plate and the movable tube to move. The connecting head moves in the connecting hole to adjust the position of the movable tube and the fixed tube, adjust the air flow area, and then adjust the air flow rate, adjust the combustion efficiency of the combustion furnace, and improve the practicality and adaptability of the combustion furnace body.

[0015] 2. The moving block is driven to move by the driving device, and the moving block is engaged with the mounting hole on the mounting plate, which is convenient for fixing and disassembling the air pump and for inspecting the combustion furnace body, thereby improving the convenience of inspection.

[0016] 3. By setting up exhaust pipes and coils, it is convenient to recover the heat of flue gas and prevent the heat from being dissipated into the air. By setting up filter plates and activated carbon plates, it is convenient to filter and purify the flue gas, thereby improving environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the combustion furnace body in the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the regulating pipe in the utility model;

[0019] Figure 3 It is a schematic diagram of the matching structure of the fixed pipe and the movable pipe in the utility model;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the support seat in the utility model;

[0021] Figure 5 It is a schematic diagram of the structure of the exhaust pipe, coil, filter box, filter plate and activated carbon plate in the utility model.

[0022] In the figure: 1. combustion furnace body; 2. air inlet pipe; 3. air pump; 4. support seat; 5. mounting plate; 6. mounting block; 7. mounting hole; 8. adjusting pipe; 9. fixed pipe; 10. movable pipe; 11. connecting hole; 12. connecting head; 13. movable plate; 14. internal thread; 15. movable head; 16. movable rod; 17. rotating frame; 18. rotating ring; 19. driving plate; 20. driving screw; 21. first bevel gear; 22. second bevel gear; 23. driving rod; 24. hand wheel; 25. rotating slider; 26. rotating slide groove; 27. limiting ring; 28. movable spring; 29. ​​exhaust pipe; 30. coil; 31. filter box; 32. filter plate; 33. activated carbon plate. DETAILED DESCRIPTION

[0023] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0025] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0026] See also Figure 1-5A biomass combustion furnace comprises a combustion furnace body 1, an air intake pipe 2 and an air pump 3 are arranged on one side of the combustion furnace body 1, a support seat 4 is arranged at the bottom of the air pump 3, a mounting plate 5 is arranged on the air pump 3, a driving device and a mounting block 6 are arranged on the support seat 4, a mounting hole 7 is arranged on the mounting plate 5, an adjusting device is arranged on the air intake pipe 2, the adjusting device comprises an adjusting pipe 8, a fixed pipe 9 and a movable pipe 10 are arranged in the adjusting pipe 8, a connecting hole 11 is arranged on the movable pipe 10, a connecting head 12 is arranged on the fixed pipe 9, a movable plate 13 is arranged at the bottom of the movable pipe 10, an internal thread 14 is arranged in the adjusting pipe 8, a movable head 15 matching the internal thread 14 is arranged on the movable plate 13, a movable rod 16 and a rotating frame 17 are arranged at the bottom of the movable plate 13, the rotating frame 17 is provided with a rotating ring 18, a rotating slider 25 is arranged on the rotating ring 18, a rotating slide groove 26 is arranged on the air intake pipe 2, a limiting ring 27 is arranged on the fixed pipe 9 for rotating on the adjusting pipe 8, and a movable spring 28 is arranged between the movable plate 13 and the rotating frame 17.

[0027] In this embodiment, when adjusting the combustion efficiency inside the combustion furnace main body 1, it is necessary to adjust the air flow rate, rotate the rotating ring 18, and the rotating ring 18 drives the rotating slider 25 to rotate in the rotating slide groove 26. The rotating ring 18 drives the rotating frame 17, the moving rod 16 and the moving plate 13 to rotate. When the moving plate 13 rotates, it drives the moving head 15 to move in the internal thread 14, thereby driving the moving plate 13 and the moving tube 10 to move axially along the adjusting tube 8. When the moving tube 10 moves, it drives the fixed tube 9 and the limit ring 27 to rotate, thereby adjusting the relative position of the fixed tube 9 and the moving tube 10. The air enters the combustion furnace main body 1 through the connecting hole 11, and the connecting head 12 on the fixed tube 9 moves in the connecting hole 11 on the moving tube 10, thereby adjusting the open area of ​​the connecting hole 11, thereby adjusting the flow area of ​​the gas, playing a role in adjusting the gas flow rate, and thereby adjusting the combustion efficiency of the combustion furnace main body 1.

[0028] See also Figure 4-5 As an implementation method of the driving device and the exhaust pipe 29: the driving device includes a driving plate 19, the driving plate 19 is fixedly connected to the mounting block 6, a driving screw 20 is threadedly connected to the driving plate 19, a first bevel gear 21 is provided on the driving screw 20, a second bevel gear 22 and a driving rod 23 are provided on the support seat 4, a hand wheel 24 is provided on the driving rod 23, an exhaust pipe 29 is provided on the combustion furnace body 1, a coil 30 is provided on the exhaust pipe 29, a filter box 31 is provided on the top of the exhaust pipe 29, and a filter plate 32 and an activated carbon plate 33 are provided on the filter box 31.

[0029] More specifically, when installing the air pump 3, the mounting plate 5 of the air pump 3 is slidably installed on the support seat 4, and the hand wheel 24 is turned. The hand wheel 24 drives the driving rod 23 to rotate, and the driving rod 23 drives the second bevel gear 22 to rotate, thereby driving the first bevel gear 21 and the driving screw 20 to rotate, and the driving screw 20 drives the driving plate 19 and the mounting block 6 to move, and the mounting block 6 is extended into the mounting hole 7 of the mounting plate 5, thereby fixing the position of the air pump 3, and facilitating the disassembly and maintenance of the air pump 3. The biomass fuel in the combustion furnace body 1 generates flue gas after combustion and is discharged. The flue gas in the exhaust pipe 29 is cooled and the heat of the flue gas is recovered through the coil 30. Then the flue gas passes through the filter plate 32 and the activated carbon plate 33 in the filter box 31 to filter and purify the flue gas, thereby improving the environmental protection of the combustion furnace body 1.

[0030] In summary, when the overall equipment is in use or running: when adjusting the combustion efficiency inside the combustion furnace main body 1, it is necessary to adjust the air flow rate, rotate the rotating ring 18, and the rotating ring 18 drives the rotating slider 25 to rotate in the rotating slide groove 26. The rotating ring 18 drives the rotating frame 17, the moving rod 16 and the moving plate 13 to rotate. When the moving plate 13 rotates, it drives the moving head 15 to move in the internal thread 14, and then drives the moving plate 13 and the moving tube 10 to move axially along the adjusting tube 8. When the moving tube 10 moves, it drives the fixed tube 9 and the limit ring 27 to rotate, and then adjusts the relative position of the fixed tube 9 and the moving tube 10. The air enters the combustion furnace main body 1 through the connecting hole 11, and the connecting head 12 on the fixed tube 9 moves in the connecting hole 11 on the moving tube 10, thereby adjusting the open area of ​​the connecting hole 11, and then adjusting the flow area of ​​the gas, which plays a role in adjusting the gas flow rate, and then adjusts the combustion efficiency of the combustion furnace main body 1.

[0031] When installing the air pump 3, the mounting plate 5 of the air pump 3 is slidably installed on the support seat 4, and the hand wheel 24 is turned. The hand wheel 24 drives the driving rod 23 to rotate, and the driving rod 23 drives the second bevel gear 22 to rotate, thereby driving the first bevel gear 21 and the driving screw 20 to rotate, and the driving screw 20 drives the driving plate 19 and the mounting block 6 to move, and the mounting block 6 is extended into the mounting hole 7 of the mounting plate 5, thereby fixing the position of the air pump 3, and facilitating the disassembly and maintenance of the air pump 3. The biomass fuel in the combustion furnace main body 1 generates flue gas after combustion and is discharged. The flue gas in the exhaust pipe 29 is cooled and the heat of the flue gas is recovered through the coil 30. Then the flue gas passes through the filter plate 32 and the activated carbon plate 33 in the filter box 31 to filter and purify the flue gas, thereby improving the environmental protection of the combustion furnace main body 1.

[0032] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A biomass combustion furnace, comprising a combustion furnace body (1), characterized in that: An air intake pipe (2) and an air pump (3) are provided on one side of the combustion furnace body (1); a support seat (4) is provided at the bottom of the air pump (3); a mounting plate (5) is provided on the air pump (3); a driving device and a mounting block (6) are provided on the support seat (4); a mounting hole (7) is provided on the mounting plate (5); an adjusting device is provided on the air intake pipe (2); the adjusting device comprises an adjusting pipe (8); a fixed pipe (9) and a movable pipe (10) are provided in the adjusting pipe (8); a connecting hole (11) is provided on the movable pipe (10); a connecting head (12) is provided on the fixed pipe (9); a movable plate (13) is provided at the bottom of the movable pipe (10); an internal thread (14) is provided in the adjusting pipe (8); a movable head (15) matched with the internal thread (14) is provided on the movable plate (13); a movable rod (16) and a rotating frame (17) are provided at the bottom of the movable plate (13); and the rotating frame (17) is provided with a rotating ring (18).

2. A biomass combustion furnace according to claim 1, characterized in that: The driving device comprises a driving plate (19), the driving plate (19) being fixedly connected to the mounting block (6), and a driving screw rod (20) being threadedly connected to the driving plate (19).

3. A biomass combustion furnace according to claim 2, characterized in that: The driving screw rod (20) is provided with a first bevel gear (21), the supporting seat (4) is provided with a second bevel gear (22) and a driving rod (23), and the driving rod (23) is provided with a hand wheel (24).

4. The biomass combustion furnace according to claim 1, characterized in that: The rotating ring (18) is provided with a rotating slider (25), and the air inlet pipe (2) is provided with a rotating slide groove (26).

5. The biomass combustion furnace according to claim 1, characterized in that: The fixed tube (9) is provided with a limit ring (27) which is rotatable on the adjusting tube (8).

6. The biomass combustion furnace according to claim 1, characterized in that: A moving spring (28) is provided between the moving plate (13) and the rotating frame (17).

7. The biomass combustion furnace according to claim 1, characterized in that: An exhaust pipe (29) is provided on the combustion furnace body (1), and a coil (30) is provided on the exhaust pipe (29).

8. The biomass combustion furnace according to claim 7, characterized in that: A filter box (31) is provided at the top of the exhaust pipe (29), and a filter plate (32) and an activated carbon plate (33) are provided on the filter box (31).

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