Boiler feeding device

Abstract

The utility model discloses a boiler feeding device which relates to the technical field of boilers and comprises a box body, the left side of the upper wall of the box body is communicated with a feeding hopper, a pair of supporting plates is fixedly connected between the front wall and the rear wall of the box body, the upper surfaces of the supporting plates are fixedly connected with a plurality of springs, the upper ends of the springs are fixedly connected with a vibrating hopper, and the vibrating hopper is fixedly connected with a feeding hopper. A sieve plate is installed on the left side of the bottom face of the vibration hopper, a pair of crushing rollers are rotationally connected between the front wall and the rear wall of the box body, a collection hopper is fixedly connected to the position, located below the sieve plate and the pair of crushing rollers, of the inner surface of the box body, a material barrel is fixedly connected to the inner surface of the left wall of the box body, and the right portion of the material barrel communicates with a connecting pipe; fuel can be screened through vibration of the sieve plate, small fuel blocks which do not need to be crushed penetrate through the sieve plate and fall into the collecting hopper, the situation that the small fuel blocks which do not need to be crushed fall into the space between the pair of crushing rollers is avoided, and power consumption of the pair of crushing rollers is prevented from being increased.

Description

Technical Field

[0001] The utility model relates to the technical field of boilers, in particular to a boiler feeding device. Background Art

[0002] A feeding device is required in the process of feeding coal to the boiler.

[0003] For example, the utility model patent with the announcement number CN213300140U discloses a feeding device for a boiler, including an upper mounting plate, a lower mounting plate, a crushing box, a feed barrel and a mixing box. The utility model allows the fuel to be initially crushed by a crushing shaft and then further crushed by a spiral rod, thereby achieving the effects of saving fuel, sufficient feeding and sufficient combustion.

[0004] However, when the utility model is used, the fuel is directly crushed, so that large pieces of fuel that need to be crushed and small pieces of fuel that do not need to be crushed are crushed together, resulting in increased energy consumption of the crushing device during use and poor use effect. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a boiler feeding device to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a boiler feeding device, including a box body, a feeding hopper is connected to the left side of the upper wall of the box body, a pair of support plates are fixedly connected between the front wall and the rear wall of the box body, a plurality of springs are fixedly connected to the upper surface of the support plate, a plurality of springs are fixedly connected to the upper ends of the springs, a plurality of through holes are opened in the support plate, a connecting rod is arranged in the through hole, the connecting rod is located in the spring, the upper end of the connecting rod is fixedly connected to the bottom surface of the vibrating bucket, a sieve plate is installed on the left side of the bottom surface of the vibrating bucket, a vibrating motor is fixedly connected to the bottom surface of the vibrating bucket, and a A pair of rotating shafts, the side surfaces of the rotating shafts are fixedly connected with crushing rollers, the rear end of the rotating shafts passes through the rear wall of the box and is fixedly connected with gears, the pair of gears are meshed with each other, the front surface of the box is fixedly connected with a second motor, the front end of the rotating shaft on the right side passes through the front wall of the box and is fixedly connected to the driving end of the second motor, a collecting hopper is fixedly connected to the inner surface of the box and below the screen plate and the pair of crushing rollers, a barrel is fixedly connected to the inner surface of the left wall of the box and below the collecting hopper, a spiral conveying auger is rotatably connected to the inner surface of the left wall of the box and located in the barrel, the right part of the barrel passes through the right wall of the box and is connected with a connecting pipe, and the lower end of the connecting pipe is connected with a furnace body.

[0007] Preferably, a material guide plate is fixedly connected to the inner surface of the right wall of the box body and located above the crushing roller.

[0008] Preferably, a first motor is fixedly connected to the left surface of the box body, and the left end of the spiral conveying auger penetrates the left wall of the box body and is fixedly connected to the driving end of the first motor.

[0009] Preferably, the lower end of the connecting rod is fixedly connected to a limiting plate.

[0010] Preferably, a plurality of supporting legs are fixedly connected to the bottom surface of the box.

[0011] Beneficial Effects

[0012] The utility model provides a boiler feeding device, which has the following beneficial effects:

[0013] 1. The fuel can be screened by the vibration of the screen plate. The small pieces of fuel that do not need to be crushed pass through the screen plate and fall into the collecting hopper, which prevents the small pieces of fuel that do not need to be crushed from falling between the pair of crushing rollers, avoids the increase of power consumption of the pair of crushing rollers, and ensures the efficiency of the pair of crushing rollers;

[0014] 2. The large pieces of fuel that need to be broken fall into a pair of crushing rollers from the opening at the right end of the vibrating bucket. The fuel can be broken by the rotation of the pair of crushing rollers. The broken fuel falls into the collecting hopper. The fuel can enter the barrel through the collecting hopper. The rotation of the spiral conveying auger can drive the fuel to move to the right and evenly enter the furnace body, making the combustion more complete, thereby saving fuel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 This is a schematic diagram of the main internal structure of the utility model;

[0017] Figure 3 It is a rear view of the utility model;

[0018] Figure 4 for Figure 2 A is an enlarged schematic diagram.

[0019] In the figure: 1. box body; 2. vibration bucket; 3. vibration motor; 4. feed hopper; 5. collecting hopper; 6. first motor; 7. support leg; 8. barrel; 9. screw conveyor auger; 10. connecting pipe; 11. furnace body; 12. crushing roller; 13. rotating shaft; 14. guide plate; 15. sieve plate; 16. spring; 17. connecting rod; 18. support plate; 19. through hole; 20. limit plate; 21. second motor; 22. gear. DETAILED DESCRIPTION

[0020] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings 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] Directional terms mentioned in the present invention, such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., are only with reference to the directions shown in the drawings. The directional terms used are used to illustrate and understand the present invention, rather than to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] See also Figure 1-4 The utility model provides a technical solution: a boiler feeding device, including a box body 1, a feeding hopper 4 is connected to the left side of the upper wall of the box body 1, a pair of support plates 18 are fixedly connected between the front wall and the rear wall of the box body 1, a plurality of springs 16 are fixedly connected to the upper surface of the support plate 18, a plurality of springs 16 are fixedly connected to the upper ends of the plurality of springs 16 are fixedly connected to the vibrating bucket 2, a plurality of through holes 19 are opened in the support plate 18, a connecting rod 17 is arranged in the through hole 19, the connecting rod 17 is located in the spring 16, the upper end of the connecting rod 17 is fixedly connected to the bottom surface of the vibrating bucket 2, a sieve plate 15 is installed on the left side of the bottom surface of the vibrating bucket 2, a vibration motor 3 is fixedly connected to the bottom surface of the vibrating bucket 2, a pair of rotating shafts 13 are rotatably connected between the front wall and the rear wall of the box body 1 and below the opening of the vibrating bucket 2, a crushing roller 12 is fixedly connected to the side surface of the rotating shaft 13, the rear end of the rotating shaft 13 passes through the rear wall of the box body 1 and is fixedly connected to a gear 22, and the pair of gears 22 are meshed with each other A second motor 21 is fixedly connected to the front surface of the box body 1, and the front end of the right rotating shaft 13 penetrates the front wall of the box body 1 and is fixedly connected to the driving end of the second motor 21. A collecting hopper 5 is fixedly connected to the inner surface of the box body 1 and is located below the screen plate 15 and a pair of crushing rollers 12. A barrel 8 is fixedly connected to the inner surface of the left wall of the box body 1 and is located below the collecting hopper 5. A spiral conveying auger 9 is rotatably connected to the inner surface of the left wall of the box body 1 and is located in the barrel 8. The right part of the barrel 8 penetrates the right wall of the box body 1 and is connected to a connecting pipe 10, and the lower end of the connecting pipe 10 is connected to the furnace body 11; a material guide plate 14 is fixedly connected to the inner surface of the right wall of the box body 1 and is located above the crushing roller 12; a first motor 6 is fixedly connected to the left surface of the box body 1, and the left end of the spiral conveying auger 9 penetrates the left wall of the box body 1 and is fixedly connected to the driving end of the first motor 6; the lower end of the connecting rod 17 is fixedly connected to the limiting disk 20; and a plurality of supporting legs 7 are fixedly connected to the bottom surface of the box body 1.

[0023] Through the personnel in this field, all the electrical components in this case are electrically connected to their corresponding power supplies, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the working sequence between the electrical components in the following working principle to complete the electrical connection. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and no longer explains the electrical control.

[0024] Embodiment: According to the specification attached Figure 1-4 It can be seen that when in use, the fuel falls into the vibrating bucket 2 through the feed hopper 4, and the vibration motor 3 is started to drive the screen plate 15 to vibrate. The vibration of the screen plate 15 can screen the fuel, and the small pieces of fuel that do not need to be crushed pass through the screen plate 15 and fall into the collecting hopper 5, which prevents the small pieces of fuel that do not need to be crushed from falling between the pair of crushing rollers 12, avoids the increase in power consumption of the pair of crushing rollers 12, and ensures the efficiency of the pair of crushing rollers 12. The large pieces of fuel that need to be crushed fall between the pair of crushing rollers 12 from the right end opening of the vibrating bucket 2, and are meshed with each other through a pair of gears 22. A pair of rotating shafts 13 can be made to rotate synchronously, and starting the second motor 21 can drive the pair of rotating shafts 13 to rotate, and the rotation of the pair of rotating shafts 13 can drive the pair of crushing rollers 12 to rotate, and the fuel can be crushed by the rotation of the pair of crushing rollers 12, and the crushed fuel falls into the collecting hopper 5, and the fuel can enter the barrel 8 through the collecting hopper 5, and starting the first motor 6 can drive the spiral conveying auger 9 to rotate, and the rotation of the spiral conveying auger 9 can drive the fuel to move to the right and evenly enter the furnace body 11, so that the combustion is more complete, thereby saving fuel.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A boiler feeding device, characterized in that: The invention comprises a box body (1), wherein the left side of the upper wall of the box body (1) is connected to a feed hopper (4), a pair of support plates (18) are fixedly connected between the front wall and the rear wall of the box body (1), a plurality of springs (16) are fixedly connected to the upper surface of the support plate (18), and the upper ends of the plurality of springs (16) are fixedly connected to a vibrating hopper (2), a plurality of through holes (19) are opened in the support plate (18), a connecting rod (17) is arranged in the through hole (19), the connecting rod (17) is located in the spring (16), the upper end of the connecting rod (17) is fixedly connected to the bottom surface of the vibrating hopper (2), a sieve plate (15) is installed on the left side of the bottom surface of the vibrating hopper (2), and a vibrating motor (3) is fixedly connected to the bottom surface of the vibrating hopper (2), and a pair of rotating shafts (13) are rotatably connected between the front wall and the rear wall of the box body (1) and located below the opening of the vibrating hopper (2), and the side surfaces of the rotating shafts (13) are fixedly connected to the bottom surface of the vibrating hopper (2). A crushing roller (12) is provided, the rear end of the rotating shaft (13) passes through the rear wall of the box body (1) and is fixedly connected to a gear (22), a pair of the gears (22) are meshed with each other, the front surface of the box body (1) is fixedly connected to a second motor (21), the front end of the rotating shaft (13) on the right side passes through the front wall of the box body (1) and is fixedly connected to the driving end of the second motor (21), the inner surface of the box body (1) and located below the screen plate (15) and the pair of crushing rollers (12) is fixedly connected to a collecting hopper (5), the inner surface of the left wall of the box body (1) and located below the collecting hopper (5) is fixedly connected to a barrel (8), the inner surface of the left wall of the box body (1) and located inside the barrel (8) is rotatably connected to a spiral conveying auger (9), the right part of the barrel (8) passes through the right wall of the box body (1) and is connected to a connecting pipe (10), and the lower end of the connecting pipe (10) is connected to a furnace body (11).

2. A boiler feeding device according to claim 1, characterized in that: A material guide plate (14) is fixedly connected to the inner surface of the right wall of the box body (1) and is located above the crushing roller (12).

3. A boiler feeding device according to claim 1, characterized in that: A first motor (6) is fixedly connected to the left surface of the box body (1), and the left end of the spiral conveying auger (9) passes through the left wall of the box body (1) and is fixedly connected to the driving end of the first motor (6).

4. A boiler feeding device according to claim 1, characterized in that: The lower end of the connecting rod (17) is fixedly connected to a limiting plate (20).

5. A boiler feeding device according to claim 1, characterized in that: A plurality of supporting legs (7) are fixedly connected to the bottom surface of the box body (1).

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