Furnace chamber structure of particle burner

Abstract

The utility model discloses a particle burner furnace chamber structure which comprises a frame and an outer cavity body fixedly arranged in the frame through bolts, an inner cavity body is arranged in the outer cavity body, a clamping plate is fixedly arranged on the inner wall of the outer cavity body, a butt joint groove is formed in the outer side wall of the inner cavity body, and the butt joint groove is in butt joint with the clamping plate. The clamping plate is connected into the butt joint groove in a clamped mode, a driving shaft is fixedly arranged at the output end of the servo motor, a reciprocating lead screw is fixedly arranged at one end of the driving shaft, a cleaning plate is connected to the reciprocating lead screw in a threaded mode, and the cleaning plate is slidably connected into the outer cavity through a guiding piece. A collecting piece for collecting dust is arranged at the lower end of the outer cavity; the vibration mechanism is fixedly arranged on the driving shaft, and the vibration mechanism is used for driving the inner cavity to vibrate up and down. The furnace chamber structure of the particle burner has the technical effects that the replacement cost is reduced, dust is convenient to clean, and the cleaning effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of particle burners, in particular to a furnace cavity structure of a particle burner. Background Art

[0002] As the name implies, a pellet burner uses pellet combustion technology to convert various fixed fuels, such as wood chips, straw and wheat straw, into high-efficiency heat energy. It can also significantly reduce air pollution and greenhouse gas emissions. The pellet burner furnace cavity is the cavity used to hold materials in the pellet burner. The existing pellet burner furnace cavity still has certain defects when in use, such as;

[0003] The furnace chamber of the pellet burner currently used is basically an integrated structure, which is welded as a whole. When the furnace chamber suffers structural damage such as burn-through, the entire furnace chamber can only be scrapped, and the overall replacement cost is high. In addition, the dust generated during the combustion of biomass pellets will accumulate at the bottom of the chamber, which is generally cleaned manually, making it inconvenient to use. Utility Model Content

[0004] The utility model discloses a furnace cavity structure of a pellet burner, aiming to solve the technical problem that the furnace cavity of the currently used pellet burner is basically an integrated structure, which is welded as a whole. When the furnace cavity is structurally damaged such as burn-through, the entire furnace cavity can only be scrapped, and the overall replacement cost is high. In addition, dust generated during the combustion of biomass particles will accumulate at the bottom of the cavity, which is generally cleaned manually, making it inconvenient to use.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A particle burner furnace cavity structure comprises a frame and an outer cavity fixed in the frame by bolts, an inner cavity is arranged in the outer cavity, a clamping plate is fixedly arranged on the inner wall of the outer cavity, a docking groove is provided on the outer side wall of the inner cavity, the clamping plate is clamped and connected in the docking groove, a through hole is provided in the inner cavity, a sealing plate is fixedly arranged on the upper end of the frame by bolts, and also comprises: a cleaning mechanism: the cleaning mechanism comprises a supporting plate fixedly arranged on one side of the outer cavity, a servo motor is fixedly arranged on the upper end of the supporting plate, a driving shaft is fixedly arranged on the output end of the servo motor, a reciprocating screw is fixedly arranged on one end of the driving shaft, a cleaning plate is threadedly connected on the reciprocating screw, the cleaning plate is slidably connected in the outer cavity through a guide member, and a collecting member for collecting dust is provided at the lower end of the outer cavity; a vibration mechanism: the vibration mechanism is fixedly arranged on the driving shaft, and the vibration mechanism is used to drive the inner cavity to vibrate up and down.

[0007] In this solution, by setting up a frame, an outer cavity and an inner cavity, the entire cavity structure is changed to an upper and lower split assembly, and the structure of each part can be replaced, which improves the service life to a certain extent. The reciprocating screw is driven by a servo motor to rotate, so that the cleaning plate moves back and forth, pushing the dust into the collecting piece. Under the action of the vibration mechanism, the dust attached to the through hole will also be shaken off, which can effectively prevent the through hole from being blocked.

[0008] In a preferred embodiment, the guide member includes a groove formed on one side of the cleaning plate, a slider is fixedly arranged in the groove, a slide rail is fixedly arranged on the inner wall of the outer cavity body close to the slider, the slider is slidably connected in the slide rail, and the collecting member includes a through groove formed at the lower end of the outer cavity body, a collecting frame is fixedly arranged on the inner wall of the through groove, and the lower end of the collecting frame is connected to an end plate by a hinge.

[0009] By providing two symmetrical groups of collecting pieces, when the reciprocating screw moves back and forth laterally, the dust can be pushed into the two groups of collecting frames respectively, and the dust in the collecting frames can be discharged by opening the end plates.

[0010] In a preferred embodiment, the vibration mechanism includes an eccentric block fixedly arranged on the driving shaft, a placement groove is provided at the top of the eccentric block, a pad is slidably connected to the placement groove, a reset member for limiting the movement range is provided in the pad, a stop plate is fixedly arranged on the upper end of the pad, the stop plate is arranged at the lower end of the inner cavity, the reset member includes a guide hole provided in the pad, an L-shaped guide rod is connected through the guide hole, the L-shaped guide rod is fixedly arranged on the inner wall of the placement groove, a spring is fixedly arranged at the lower end of the pad, and the end of the spring is fixedly arranged on the bottom surface of the inner part of the placement groove.

[0011] By setting the back plate, when the driving shaft drives the eccentric block to rotate, it will continuously press upward against the inner cavity, so that the inner cavity can continuously vibrate up and down, so that the dust attached to the inside of the through hole can be shaken downward, preventing the through hole from being blocked and improving the cleaning effect.

[0012] The utility model provides a particle burner furnace cavity structure through improvement, which has the following improvements and advantages compared with the prior art:

[0013] First: In the utility model, the frame and the outer cavity are fixedly connected by bolts, the outer cavity is connected by a clamping plate and a docking groove, and the sealing plate is fixed to the frame by bolts. The furnace cavity structure is assembled by the frame, the outer cavity, the inner cavity and the sealing plate, and the structure can be replaced in parts. When structural damage occurs, there is no need to replace the entire thing, which reduces replacement costs and extends service life.

[0014] Second, in the utility model, the reciprocating screw drives the cleaning plate to move back and forth horizontally, pushing the dust accumulated at the bottom into two sets of collection frames respectively, which makes it more convenient to clean the dust. The inner cavity is pushed to vibrate up and down through the abutment plate to shake off the dust attached to the through hole, thereby further improving the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic axial view of the overall structure of a furnace chamber structure of a particle burner proposed by the utility model.

[0016] Figure 2 The utility model is a schematic diagram of the overall structure explosion of a furnace cavity structure of a particle burner.

[0017] Figure 3 This is a schematic diagram of the guide structure of a furnace chamber structure of a particle burner proposed by the utility model.

[0018] Figure 4 The utility model provides a schematic diagram of an eccentric block mechanism of a furnace structure of a particle burner.

[0019] In the accompanying drawings: 1. frame; 2. outer cavity; 3. clamping plate; 4. docking groove; 5. inner cavity; 6. through hole; 7. sealing plate; 8. support plate; 9. servo motor; 10. drive shaft; 11. reciprocating screw; 12. cleaning plate; 13. groove; 14. slider; 15. slide rail; 16. through groove; 17. collection frame; 18. end plate; 19. eccentric block; 20. placement groove; 21. pad; 22. guide hole; 23. L-shaped guide rod; 24. abutment plate; 25. spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0022] The utility model discloses a pellet burner furnace chamber structure which is mainly used in currently used pellet burners. The furnace chamber is basically an integrated structure which is welded as a whole. When the furnace chamber suffers structural damage such as burn-through, the entire furnace chamber can only be scrapped. The overall replacement cost is high. In addition, dust generated during the combustion of biomass particles will accumulate at the bottom of the chamber and is generally cleaned manually, which is inconvenient to use.

[0023] Reference Figure 1 , Figure 2 and Figure 4 , a particle burner furnace cavity structure, including a frame 1 and an outer cavity 2 fixed in the frame 1 by bolts, an inner cavity 5 is arranged in the outer cavity 2, a clamping plate 3 is fixedly arranged on the inner wall of the outer cavity 2, a docking groove 4 is opened on the outer wall of the inner cavity 5, the clamping plate 3 is snap-connected in the docking groove 4, a through hole 6 is opened in the inner cavity 5, a sealing plate 7 is fixedly arranged on the upper end of the frame 1 by bolts, and also includes: a cleaning mechanism: the cleaning mechanism includes a support plate 8 fixedly arranged on one side of the outer cavity 2, a servo motor 9 is fixedly arranged on the upper end of the support plate 8, a driving shaft 10 is fixedly arranged on the output end of the servo motor 9, a reciprocating screw 11 is fixedly arranged at one end of the driving shaft 10, a cleaning plate 12 is threadedly connected to the reciprocating screw 11, and the cleaning plate 12 is slidably connected in the outer cavity 2 through a guide member, and a collecting member for collecting dust is arranged at the lower end of the outer cavity 2; a vibration mechanism: the vibration mechanism is fixedly arranged on the driving shaft 10, and the vibration mechanism is used to drive the inner cavity 5 to vibrate up and down.

[0024] In this scheme, the frame 1 is assembled with the outer cavity 2, and the outer cavity 2 cooperates with the docking groove 4 on the outside of the inner cavity 5 through the clamping plate 3, and the inner cavity 5 is installed in the outer cavity 2. The frame 1 is assembled with the sealing plate 7 to complete the entire cavity structure. Some of its components can be replaced when damaged, which reduces the replacement cost and increases the service life. Driven by the reciprocating screw 11, the cleaning plate 12 moves back and forth to clean up the dust accumulated at the bottom. The vibration mechanism will push the inner cavity 5 to vibrate up and down, shake off the dust attached to the through hole 6, and further improve the cleaning effect.

[0025] Among them, the material of the outer cavity 2 is stainless steel, and the material of the inner cavity 5 and the sealing plate 7 is heat-resistant cast iron. The outer cavity 2 is formed by bending a stainless steel thin plate, and is combined with the inner cavity 5 and the sealing plate 7 made of more heat-resistant cast iron, which can further improve the service life of the furnace cavity structure.

[0026] Reference Figure 2 and Figure 4In a preferred embodiment, the guide member includes a groove 13 opened on one side of the cleaning plate 12, a slider 14 is fixedly arranged in the groove 13, a slide rail 15 is fixedly arranged on the inner wall of the outer cavity 2 near the slider 14, and the slider 14 is slidably connected in the slide rail 15, and the collecting member includes a through groove 16 opened at the lower end of the outer cavity 2, a collecting frame 17 is fixedly arranged on the inner wall of the through groove 16, and the lower end of the collecting frame 17 is connected to an end plate 18 through a hinge.

[0027] Specifically, the slider 14 and the slide rail 15 can limit the cleaning plate 12 so that the cleaning plate 12 does not rotate along with the rotation of the reciprocating screw 11. When the reciprocating screw 11 pushes the cleaning plate 12 to move back and forth laterally, the originally accumulated dust will be pushed into the collection frame 17 by the cleaning plate 12.

[0028] Furthermore, a group of grooves 13, sliders 14 and slide rails 15 are respectively arranged on the inner walls on both sides of the outer cavity 2, and the length of the slide rails 15 is equal to the length of the outer cavity 2, and two groups of through grooves 16, collection frames 17 and end plates 18 are symmetrically arranged. The dust continuously shaken off in the through hole 6 will be pushed into the two groups of collection frames 17 respectively during the back and forth movement of the cleaning plate 12. The dust collected in the collection frames 17 can be removed by opening the end plates 18.

[0029] Reference Figure 2 and Figure 3 In a preferred embodiment, the vibration mechanism includes an eccentric block 19 fixedly arranged on the driving shaft 10, a placement groove 20 is opened at the top of the eccentric block 19, a pad 21 is slidably connected in the placement groove 20, a reset member for limiting the movement range is arranged in the pad 21, a stop plate 24 is fixedly arranged on the upper end of the pad 21, the stop plate 24 is arranged at the lower end of the inner cavity 5, the reset member includes a guide hole 22 opened in the pad 21, an L-shaped guide rod 23 is connected through the guide hole 22, the L-shaped guide rod 23 is fixedly arranged on the inner wall of the placement groove 20, a spring 25 is fixedly arranged at the lower end of the pad 21, and the end of the spring 25 is fixedly arranged on the inner bottom surface of the placement groove 20.

[0030] When the reciprocating screw 11 is driven by the servo motor 9, the eccentric block 19 will be driven to rotate at the same time. When the eccentric block 19 is connected to the abutment plate 24 and rotates, the abutment plate 24 will drive the pad 21 to move into the placement groove 20 when it contacts the inner bottom surface of the outer cavity 2, and the compression spring 25 will quickly reset when it contacts the inner bottom surface of the outer cavity 2, and will abut against the lower end of the inner cavity 5 again. During the rotation of the abutment plate 24, the inner cavity 5 continuously moves up and down, and the dust attached to the through hole 6 is continuously shaken off, further improving the cleaning effect.

[0031] It is worth noting that the top edge of the abutment plate 24 is configured as an outwardly curved arc surface structure. This outwardly curved arc surface structure contacts the inner bottom surface of the outer cavity 2 during rotation and will not be resisted by the inner bottom surface of the outer cavity 2. At the same time, it can smoothly transition to a position against the lower end of the inner cavity 5 and will not easily collide with the inner bottom surface of the outer cavity 2 and the lower end of the inner cavity 5.

[0032] The above are only preferred specific implementations of the utility model, but the protection scope of the utility model is not limited to them. The replacement can be a replacement of part of the structure, device, method steps, or a complete technical solution. Equivalent replacement or changes based on the technical solution of the utility model and its utility model concept should be included in the protection scope of the utility model.

Claims

1. A pellet burner furnace structure, comprising a frame (1) and an outer cavity (2) fixedly arranged in the frame (1) by bolts, an inner cavity (5) is arranged in the outer cavity (2), a clamping plate (3) is fixedly arranged on the inner wall of the outer cavity (2), a docking groove (4) is provided on the outer wall of the inner cavity (5), the clamping plate (3) is snap-fitted and connected in the docking groove (4), a through hole (6) is provided in the inner cavity (5), a sealing plate (7) is fixedly arranged on the upper end of the frame (1) by bolts, and the characteristics are as follows: Also includes: A cleaning mechanism: the cleaning mechanism comprises a support plate (8) fixedly arranged on one side of the outer cavity (2), a servo motor (9) fixedly arranged on the upper end of the support plate (8), a drive shaft (10) fixedly arranged on the output end of the servo motor (9), a reciprocating screw (11) fixedly arranged on one end of the drive shaft (10), a cleaning plate (12) threadedly connected to the reciprocating screw (11), the cleaning plate (12) slidably connected to the outer cavity (2) via a guide member, and a collecting member for collecting dust is arranged at the lower end of the outer cavity (2); Vibration mechanism: The vibration mechanism is fixedly arranged on the driving shaft (10), and is used to drive the inner cavity (5) to vibrate up and down.

2. A particle burner furnace structure according to claim 1, characterized in that: The material of the outer cavity (2) is stainless steel, and the material of the inner cavity (5) and the sealing plate (7) is heat-resistant cast iron.

3. A particle burner furnace structure according to claim 1, characterized in that: The guide member comprises a groove (13) formed on one side of the cleaning plate (12), a slider (14) being fixedly arranged in the groove (13), a slide rail (15) being fixedly arranged on the inner side wall of the outer cavity (2) close to the slider (14), and the slider (14) being slidably connected in the slide rail (15).

4. A particle burner furnace structure according to claim 3, characterized in that: The groove (13), the slider (14) and the slide rail (15) are each provided in a group on the inner walls on both sides of the outer cavity (2), and the length of the slide rail (15) is equal to the length of the outer cavity (2).

5. A particle burner furnace structure according to claim 1, characterized in that: The collecting member comprises a through slot (16) formed at the lower end of the outer cavity (2); a collecting frame (17) is fixedly arranged on the inner wall of the through slot (16); and the lower end of the collecting frame (17) is connected to an end plate (18) via a hinge.

6. A particle burner furnace structure according to claim 1, characterized in that: The vibration mechanism comprises an eccentric block (19) fixedly arranged on the driving shaft (10), a placement groove (20) being provided at the top end of the eccentric block (19), a pad (21) being slidably connected in the placement groove (20), a reset member for limiting the range of movement being provided in the pad (21), a stop plate (24) being fixedly arranged at the upper end of the pad (21), and the stop plate (24) being arranged at the lower end of the inner cavity (5).

7. A particle burner furnace structure according to claim 6, characterized in that: The top edge of the abutment plate (24) is configured as an outwardly curved arc surface structure.

8. A pellet burner furnace structure according to claim 6, characterized in that: The reset member comprises a guide hole (22) provided in the pad (21), an L-shaped guide rod (23) passing through the guide hole (22), the L-shaped guide rod (23) being fixedly arranged on the inner wall of the placement groove (20), a spring (25) being fixedly arranged at the lower end of the pad (21), and the end of the spring (25) being fixedly arranged on the inner bottom surface of the placement groove (20).

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