Feeding device for biomass burner

Abstract

The feeding device comprises a base plate, a box body, a top plate, a spiral conveying shaft and an installation rod, the box body is arranged on the top of the base plate, the interior of the box body is a cavity, the top of the box body is provided with an opening, the top plate is used for sealing the opening, a feeding hopper is arranged on the top of the top plate, and the spiral conveying shaft is arranged on the top of the feeding hopper. The spiral conveying shaft is rotationally arranged at the bottom of the cavity, a first motor used for driving the spiral conveying shaft to rotate is arranged at the top of the base plate, a discharging pipe located on one side of the output end of the spiral conveying shaft is arranged on the side wall of the box body, and a rotating shaft is rotationally arranged on the top plate and penetrates through the middle of the mounting rod. Vertical rods are arranged at the two ends of the mounting rod, a plurality of scraping and washing mechanisms are arranged on the sides, close to the inner wall of the cavity, of the two vertical rods, a plurality of stirring rods are arranged on the side wall of the rotating shaft, and a second motor used for driving the rotating shaft to rotate is arranged at the top of the top plate; the problem that in the prior art, fuel adhering to the inner wall of a feeding device is inconvenient to clean is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to biomass combustion machine technical field especially relates to a feeding device for biomass combustion machine. BACKGROUND

[0002] Biomass combustion machine is a kind of renewable biomass (such as wood, crop residues, sawdust, rice husk, corn husk etc.) as energy efficient heat utilization equipment.It is by crushing biomass into appropriate size, then in closed or semi-closed hearth with air mixing, through the combustion process generates heat, these heat can be used for heating, power generation or provide the heat source required by industrial production.

[0003] Biomass combustion machine in the process of working, by feeding device crushed biomass fuel is delivered to the combustion chamber, but the broken biomass material is easy to stick together, in order to not affect the full combustion of biomass material, usually set up stirring shaft in the feeding device to timely the fuel in the feeding device is stirred, but still there is a part of fuel will stick to the inner wall of conveying device, and inconvenient to clean. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model provides a feeding device for biomass combustion machine, which solves the problem of inconvenient cleaning of fuel adhered to the inner wall of the feeding device in the prior art.

[0005] According to the embodiment of the utility model, a kind of feeding device for biomass combustion machine, it include: substrate, box, top plate, screw conveyor shaft and mounting rod, box is set at the top of substrate, the inside of box is empty cavity, box top opening, the top plate is used to close the opening, feed hopper is set at the top of top plate, screw conveyor shaft is rotationally arranged at the bottom of empty cavity, the top of substrate is provided with the first motor for driving screw conveyor shaft rotation, the side wall of box is provided with the discharge pipe on the output end side of screw conveyor shaft, the top plate is rotationally arranged with pivot, pivot passes through the middle part of the mounting rod, the both ends of mounting rod are provided with vertical rod, the side of two vertical rods close to empty cavity inner wall is provided with a plurality of scrubbing mechanism, the side wall of pivot is provided with a plurality of stirring rods, the top of top plate is provided with the second motor for driving pivot rotation.

[0006] Compared with the prior art, the utility model have following beneficial effect: through fixed connection of installation rod and pivot, when pivot drives stirring rod to stir fuel in cavity, also can drive installation rod to rotate, so that the scraper of installation rod both ends of vertical rod side wall is to the inner wall of cavity is scraped, so that the fuel that sticks on the inner wall of cavity is scraped, through above -mentioned mode need not to increase other power equipment to realize the fuel on the inner wall of cavity is cleaned, has saved the cost also has lightened the burden of staff.

[0007] Further, each of the scraping mechanisms comprises: a mounting seat, a sliding column, a first spring, and a scraper plate, the mounting seat is fixed on the side wall of the vertical rod, a first mounting groove is arranged on the side of the mounting seat close to the inner wall of the cavity, one end of the sliding column is slidingly arranged in the first mounting groove, the first spring is also arranged in the first mounting groove, the scraper plate is fixed on the end of the sliding column away from the mounting seat, and the scraper plate at the end of the sliding column is tightly attached to the inner wall of the cavity under the elastic force of the spring.

[0008] Further, the bottom of the base plate is provided with a plurality of supports for supporting the base plate.

[0009] Further, the side wall of the box body is provided with a mounting shaft which rotates, the mounting shaft is located above the side of the discharge pipe, a closing plate is fixedly arranged on the side wall of the mounting shaft, and the closing plate is tightly attached to the end of the discharge pipe under the action of gravity.

[0010] Further, a limiting assembly is further arranged on the side wall of the box body, the limiting assembly is located above the side of the mounting shaft, and the limiting assembly is used for fixing the closing plate.

[0011] Still further, the limiting assembly comprises: a mounting block and a pressing member, the mounting block is fixed on the side wall of the box body, the bottom of the mounting block is provided with a limiting groove for inserting the closing plate, the side wall of the limiting groove is provided with a second mounting groove, and the pressing member is arranged in the second mounting groove and used for tightly pressing the end of the closing plate in the limiting groove.

[0012] Still further, the pressing member comprises: a pressing block, a push handle, and a second spring, the pressing block and the second spring are both arranged in the second mounting groove, the pressing block is slidingly connected with the second mounting groove, one end of the pressing block is inserted into the limiting groove under the elastic force of the second spring, and the side wall of the pressing block is further provided with a sliding groove in communication with the second mounting groove, the push handle is slidingly connected with the sliding groove, and one end of the push handle is fixedly connected with the side wall of the pressing block. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model embodiment.

[0014] Figure 2 It is a partial enlarged view of Figure 1 .

[0015] In the above drawings: 1, box; 2, base plate; 3, cavity; 4, spiral conveying shaft; 5, first motor; 6, discharge pipe; 7, top plate; 8, feed hopper; 9, rotating shaft; 10, second motor; 11, mounting rod; 12, vertical rod; 13, stirring rod; 14, mounting seat; 15, first spring; 16, sliding column; 17, scraper; 18, mounting shaft; 19, closing plate; 20, mounting block; 21, limiting groove; 22, pressing block; 23, second spring; 24, push handle. DETAILED DESCRIPTION

[0016] The technical solutions in the utility model are further described below with reference to the drawings and examples.

[0017] As Figure 1 shown in the utility model embodiment, a feeding device for biomass combustion machine is provided, which comprises a base plate 2, a box 1, a top plate 7, a spiral conveying shaft 4 and a mounting rod 11, the box 1 is arranged at the top of the base plate 2, the inside of the box 1 is a cavity 3, the top of the box 1 is open, the top plate 7 is used for closing the opening, a feed hopper 8 is arranged at the top of the top plate 7, the spiral conveying shaft 4 is rotatably arranged at the bottom of the cavity 3, the top of the base plate 2 is provided with a first motor 5 for driving the spiral conveying shaft 4 to rotate, the side wall of the box 1 is provided with a discharge pipe 6 located at one side of the output end of the spiral conveying shaft 4, the top plate 7 is rotatably provided with a rotating shaft 9, the rotating shaft 9 passes through the middle part of the mounting rod 11, the two ends of the mounting rod 11 are both provided with vertical rods 12, the side of each vertical rod 12 close to the inner wall of the cavity 3 is provided with a plurality of scraping and washing mechanisms, the side wall of the rotating shaft 9 is provided with a plurality of stirring rods 13, and the top of the top plate 7 is provided with a second motor 10 for driving the rotating shaft 9 to rotate.

[0018] By fixing the mounting rod 11 and the rotating shaft 9, when the rotating shaft 9 drives the stirring rods 13 to stir the fuel in the cavity 3, the mounting rod 11 can also be driven to rotate, so that the scraping and washing mechanisms on the side walls of the vertical rods 12 at the two ends of the mounting rod 11 scrape and wash the inner wall of the cavity 3, thereby scraping off the fuel adhered to the inner wall of the cavity 3, and the above-mentioned mode can realize cleaning of the fuel on the inner wall of the cavity 3 without increasing other power equipment, thereby saving cost and reducing the burden of workers.

[0019] As Figure 2As shown, each of the scraping mechanisms includes: a mounting base 14, a sliding column 16, a first spring 15, and a scraper 17. The mounting base 14 is fixed to the side wall of the vertical rod 12. A first mounting groove is provided on the side of the mounting base 14 near the inner wall of the cavity 3. One end of the sliding column 16 is slidably disposed in the first mounting groove, and the first spring 15 is also disposed in the first mounting groove. The scraper 17 is fixed to the end of the sliding column 16 away from the mounting base 14. Under the elastic force of the spring, the scraper 17 at the end of the sliding column 16 is in close contact with the inner wall of the cavity 3. As the vertical rod 12 rotates together with the mounting rod 11, it drives the mounting base 14 and the scraper 17 to rotate, thereby causing the scraper 17 to scrape off the fuel adhering to the inner wall of the cavity 3. The first spring 15 provides a certain degree of cushioning for the scraper 17 and the sliding column 16, preventing the scraper 17 from scratching the inner wall of the cavity 3.

[0020] Several supports are provided at the bottom of the substrate 2. A mounting shaft 18 is rotatably mounted on the side wall of the housing 1, located above and to the side of the discharge pipe 6. A sealing plate 19 is fixedly mounted on the side wall of the mounting shaft 18, and the sealing plate 19 is in close contact with the end of the discharge pipe 6 under the action of gravity. By providing the sealing plate 19, when the feeding device is not in operation, the sealing plate 19 can close the opening at the end of the discharge pipe 6.

[0021] Specifically, a limiting component is also provided on the side wall of the housing 1. The limiting component is located above the side of the mounting shaft 18. The limiting component is used to fix the sealing plate 19, thereby preventing the sealing plate 19 from blocking the fuel from being discharged from the discharge pipe 6 when the feeding device is working.

[0022] Furthermore, such as Figure 2 As shown, the limiting assembly includes: a mounting block 20 and a clamping member. The mounting block is fixed to the side wall of the housing 1. The bottom of the mounting block 20 is provided with a limiting groove 21 for the insertion of the sealing plate 19. The side wall of the limiting groove 21 is provided with a second mounting groove. The clamping member is disposed in the second mounting groove and is used to press the end of the sealing plate 19 into the limiting groove 21. The clamping member includes: a pressure block 22, a push handle 24, and a second spring 23. Both the pressure block 22 and the second spring 23 are disposed in the second mounting groove. The pressure block 22 is slidably connected to the second mounting groove, and under the elastic force of the second spring 23, one end of the pressure block 22 is inserted into the limiting groove 21. The side wall of the pressure block 22 is also provided with a sliding groove communicating with the second mounting groove. The push handle 24 is slidably connected to the sliding groove, and one end of the push handle 24 is fixedly connected to the side wall of the pressure block 22.

[0023] Specifically, rotating the closing plate 19 to rotate around the mounting shaft 18, rotating the end of the closing plate 19 into the limiting groove 21, and under the elastic force of the second spring 23, the pressing block 22 is pressed tightly against the side wall of the closing plate 19, so as to press the closing plate 19 tightly in the limiting groove 21, preventing the closing plate 19 from being separated from the limiting groove 21, when it is needed to release the closing plate 19, only need to push the push handle 24, the push handle 24 pushes the pressing block 22 into the second mounting groove.

[0024] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A feeding device for a biomass burner, characterized in that, The utility model relates to a kind of rotary washing and stirring device, including: substrate (2), box (1), top plate (7), spiral conveying shaft (4) and mounting rod (11), box (1) is arranged on the top of substrate (2), the inside of box (1) is empty cavity (3), the top of box (1) is open, the top plate (7) is used to close the opening, feed hopper (8) is arranged on the top of top plate (7), spiral conveying shaft (4) is rotatably arranged on the bottom of empty cavity (3), the top of substrate (2) is provided with first motor (5) for driving spiral conveying shaft (4) rotation, the side wall of box (1) is provided with discharge pipe (6) on the side of the output end of spiral conveying shaft (4), the top plate (7) is rotatably provided with rotating shaft (9), rotating shaft (9) passes through the middle of mounting rod (11), both ends of mounting rod (11) are provided with vertical rod (12), both vertical rods (12) are provided with a plurality of scraping and washing mechanisms on the side close to the inner wall of empty cavity (3), the side wall of rotating shaft (9) is provided with a plurality of stirring rods (13), the top of top plate (7) is provided with second motor (10) for driving rotating shaft (9) rotation. Each of the scraping and washing mechanisms comprises: mounting seat (14), sliding column (16), first spring (15) and scraper (17), the side wall of vertical rod (12) is fixed with mounting seat (14), the side close to the inner wall of empty cavity (3) is provided with first mounting groove in mounting seat (14), one end of sliding column (16) is slidably arranged in first mounting groove, first spring (15) is also arranged in first mounting groove, scraper (17) is fixed on the end of sliding column (16) away from mounting seat (14), under the elastic force of spring, the scraper (17) at the end of sliding column (16) is tightly attached to the inner wall of empty cavity (3).

2. A feeding device for a biomass burner as claimed in claim 1, characterized in that The bottom of the substrate (2) is provided with a plurality of supports for supporting it.

3. A feeding device for a biomass burner as claimed in claim 1, characterized in that The side wall of the box (1) is rotatably provided with a mounting shaft (18), which is located above the side of the discharge pipe (6). The side wall of the mounting shaft (18) is fixedly provided with a closure plate (19). The closure plate (19) is tightly attached to the end of the discharge pipe (6) under the action of gravity.

4. A feeding device for a biomass burner as claimed in claim 1, characterized in that The side wall of the box (1) is also provided with a limiting assembly located above the side of the mounting shaft (18). The limiting assembly is used to fix the closure plate (19).

5. A feed arrangement for a biomass burner as claimed in claim 4, wherein, The limiting assembly comprises a mounting block (20) and a pressing member. The mounting block (20) is fixed to the side wall of the box (1). The bottom of the mounting block (20) is provided with a limiting groove (21) for inserting the closure plate (19). The side wall of the limiting groove (21) is provided with a second mounting groove. The pressing member is arranged in the second mounting groove. The pressing member is used to press the end of the closure plate (19) into the limiting groove (21).

6. A feed arrangement for a biomass burner as claimed in claim 5, wherein, ​ 7. A feed arrangement for a biomass burner as claimed in claim 6, wherein, The pressing piece comprises a pressing block (22), a pushing handle (24) and a second spring (23), the pressing block (22) and the second spring (23) are arranged in the second mounting groove, the pressing block (22) is in sliding connection with the second mounting groove, one end of the pressing block (22) is inserted into the limiting groove (21) under the elastic force of the second spring (23), and the side wall of the pressing block (22) is further provided with a sliding groove in communication with the second mounting groove, the pushing handle (24) is in sliding connection with the sliding groove, and one end of the pushing handle (24) is fixedly connected with the side wall of the pressing block (22).

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