Biomass particle feeding device

Abstract

The utility model relates to the technical field of biomass particle feeding, and discloses a biomass particle feeding device which comprises a grinding box, the bottom of the grinding box is communicated with a screening box, the top of the grinding box is communicated with a feeding port, a grinding mechanism is arranged in the grinding box, the front face of the screening box is provided with a box door, and the screening box is provided with a feeding port. Supporting legs are fixedly connected to the bottom of the screening box, a screening mechanism is arranged in the screening box, the screening mechanism comprises a supporting frame, and the supporting frame is arranged in the screening box; biomass particles are poured into the grinding box to be ground, the ground biomass particles fall into the screening box, the screening box screens the ground raw materials, the particles meeting the size fall into the feeding pipe, the motor is started to drive the connecting shaft rod to rotate, the connecting shaft rod drives the fan blades to rotate, and the raw materials are blown out of the feeding pipe to be combusted. The combustion efficiency is prevented from being influenced by insufficient grinding, and the combustion cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of biomass pellet feeding technology, specifically a biomass pellet feeding device. Background Technology

[0002] Biomass pellets are substances made by compressing animal and plant materials into pellets. They are commonly used as solid fuels. When biomass pellets are needed, they are often ground by a feeding device to reduce their volume and make them burn more completely.

[0003] Patent specification CN211650317U discloses a biomass pellet boiler feeding device, including a grinding box and a feeding box. Pressure rollers are installed on the left and right sides of the grinding box. A second motor is installed on the left side of the feeding box, with its output end connected to a rotating rod. A stirring rod and a main gear are installed on the surface of the rotating rod. A lead screw is installed at the bottom of the feeding box, and an annular scraper is installed on its surface. A discharge pipe is installed on the right side of the feeding box. A wind box is installed at the bottom of the feeding box, and a blower is installed on the left side of the wind box. The biomass pellets are stirred twice by the pressure rollers and stirring rod, grinding large biomass pellets into smaller ones for better combustion. The annular scraper moves from left to right, pushing the biomass pellets to the right. The biomass pellets fall from the discharge pipe into the wind chamber, where wind energy blows them into the boiler, resulting in higher efficiency and cost savings.

[0004] However, in implementing the relevant technology, the above-mentioned biomass pellet boiler feeding device has the following problems: the device grinds the biomass pellets with pressure rollers and discharges them directly after grinding, which easily leads to some biomass pellets not being ground sufficiently, making it difficult for the biomass pellets to burn completely, thus requiring more biomass pellets to be burned, which increases the cost. In view of this, a biomass pellet feeding device is provided to overcome the above defects. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a biomass pellet feeding device in response to the shortcomings of the prior art.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a biomass pellet feeding device, including a grinding box, a screening box connected to the bottom of the grinding box, a feed inlet connected to the top of the grinding box, and a grinding mechanism inside the grinding box, a door on the front of the screening box, and a support leg fixedly connected to the bottom, a screening mechanism inside the screening box, the screening mechanism including a support frame, the support frame being set inside the screening box, and a screening box inside the support frame, a feed pipe connected to the bottom of the screening box, a blowing mechanism on the left side of the feed pipe, the blowing mechanism including an L-shaped plate, a motor and a connecting rod, the L-shaped plate being fixedly connected to the left side of the screening box, the motor being fixedly installed inside the L-shaped plate, the connecting rod being fixedly connected to the output end of the motor, and a circular cover connected to the left side of the feed pipe, with fan blades inside the circular cover.

[0007] Preferably, the right end of the connecting rod extends through the left side of the circular cover into the interior of the circular cover, the fan blade is fixedly installed on the right side of the connecting rod, and the connecting rod is rotatably connected to the circular cover. By setting the circular cover, the wind force generated when the fan blade rotates is concentrated and blown to the right.

[0008] Preferably, a support plate is fixedly connected to the right side of the inner wall of the screening box, a slider is fixedly connected to the bottom of the support frame, a sliding hole is opened at the top of the support plate, and the slider is slidably connected inside the sliding hole. By setting the support plate, the support frame can be supported and made to slide stably left and right at its top.

[0009] Preferably, a spring is provided inside the sliding hole, and the two ends of the spring are fixedly connected to the inner wall of the sliding hole and the outer wall of the slider, respectively. The spring can drive the screening box to reset.

[0010] Preferably, a connecting rod is fixedly connected to the left side of the support frame, and the connecting rod passes through the left side of the screening box and is slidably connected to the screening box. A round rod is fixedly connected to the bottom of the connecting rod.

[0011] Preferably, a circular plate is fixedly sleeved on the outer wall of the connecting rod, and an arc-shaped protrusion is fixedly connected to the right outer wall of the circular plate. The arc-shaped protrusion is provided to compress the arc surface of the circular rod.

[0012] The present invention adopts the above technical solution, which can bring the following beneficial effects:

[0013] 1. This biomass pellet feeding device involves pouring biomass pellets into a grinding chamber for grinding. After grinding, the pellets fall into a screening box, where the screening box screens the ground raw material. Pellets that meet the size requirements fall into the feed pipe. The motor is started, which drives the connecting rod to rotate. The connecting rod drives the fan blades to blow the raw material out of the feed pipe for combustion. Pellets that do not meet the size requirements can be removed by opening the chamber door and loosening the fastening bolts on the support frame. The screened pellets can then be taken out and poured back into the grinding chamber for further grinding.

[0014] 2. The biomass pellet feeding device uses a motor to drive a connecting rod to rotate, which in turn drives a circular plate to rotate. This causes the arc-shaped protrusions to continuously squeeze the circular rod as it rotates. When the circular rod is under pressure, it drives the screening box to move to the right via a connecting rod. When the squeezing stops, a spring drives the screening box to move to the left to reset. This process is repeated to make the screening box vibrate, thereby improving the screening effect. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a cross-sectional view of the present invention;

[0017] Figure 3 This is a structural schematic diagram of the support frame and support plate of this utility model.

[0018] In the diagram: 1. Grinding box; 2. Screening box; 3. Screening mechanism; 31. Support frame; 32. Screening box; 4. Feed pipe; 5. Blowing mechanism; 51. L-shaped plate; 52. Motor; 53. Connecting rod; 54. Round cover; 55. Fan blade; 6. Support plate; 7. Spring; 8. Sliding block; 9. Connecting rod; 10. Round rod; 11. Round plate; 12. Arc-shaped protrusion. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" means two or more, unless otherwise explicitly specified.

[0023] Please see Figure 1-3One embodiment of this utility model is as follows: a biomass pellet feeding device includes a grinding box 1, a screening box 2 connected to the bottom of the grinding box 1, a feed inlet connected to the top of the grinding box 1, and a grinding mechanism inside. The screening box 2 has a door on its front and a support leg fixedly connected to its bottom. The door is hinged and fixed with a pin (not shown in the prior art). A screening mechanism 3 is installed inside the screening box 2, including a support frame 31. The support frame 31 is located inside the screening box 2, and a screening box 32 is installed inside the support frame 31. The screening box 32 is fixed by fastening bolts on the left and right sides of the support frame 31. A feed pipe 4 is connected to the bottom of the screening box 2, and the right end of the feed pipe 4 is connected to a boiler, allowing... Biomass pellets can enter the boiler through the feed pipe 4 for combustion, achieving the purpose of feeding. A blowing mechanism 5 is provided on the left side of the feed pipe 4. The blowing mechanism 5 includes an L-shaped plate 51, a motor 52, and a connecting rod 53. The L-shaped plate 51 is fixedly connected to the left side of the screening box 2. The motor 52 is fixedly installed inside the L-shaped plate 51. The connecting rod 53 is fixedly connected to the output end of the motor 52. A circular cover 54 is connected to the left side of the feed pipe 4, and a fan blade 55 is provided inside the circular cover 54. The right end of the connecting rod 53 extends through the left side of the circular cover 54 into the interior of the circular cover 54. The fan blade 55 is fixedly installed on the right side of the connecting rod 53, and the connecting rod 53 is rotatably connected to the circular cover 54. By setting the circular cover 54, the wind force generated when the fan blade 55 rotates is concentrated and blown to the right side.

[0024] Working principle: Biomass pellets are poured into the grinding chamber 1 for grinding. After grinding, they fall into the screening box 32. The screening box 32 screens the ground raw material. Particles that meet the size requirements fall into the feed pipe 4. The motor 52 is started to drive the connecting rod 53 to rotate. The connecting rod 53 drives the fan blade 55 to rotate and blow the raw material out of the feed pipe 4 for combustion. Particles that do not meet the size requirements can be removed by opening the chamber door and loosening the fastening bolts on the support frame 31 to release the restriction of the screening box 32. The screened particles can then be taken out and poured into the grinding chamber 1 for further grinding.

[0025] Please see Figure 2-3Based on the above embodiments, in another embodiment of this utility model, a support plate 6 is fixedly connected to the right side of the inner wall of the screening box 2, and a slider 8 is fixedly connected to the bottom of the support frame 31. A sliding hole is opened at the top of the support plate 6, and the slider 8 is slidably connected inside the sliding hole. By setting the support plate 6, the support frame 31 can be supported and made to slide stably on its top left and right. A spring 7 is set inside the sliding hole. The two ends of the spring 7 are fixedly connected to the inner wall of the sliding hole and the outer wall of the slider 8, respectively. By setting the spring 7, the screening box 32 can be reset. A connecting rod 9 is fixedly connected to the left side of the support frame 31, and the connecting rod 9 passes through the left side of the screening box 2 and is slidably connected to the screening box 2. A round rod 10 is fixedly connected to the bottom of the connecting rod 9. A round plate 11 is fixedly sleeved on the outer wall of the connecting rod 53. An arc-shaped protrusion 12 is fixedly connected to the right outer wall of the round plate 11. The arc-shaped protrusion 12 is set to squeeze the arc surface of the round rod 10.

[0026] Working principle: The starting motor 52 drives the connecting rod 53 to rotate, and the connecting rod 53 drives the circular plate 11 to rotate. When the arc-shaped protrusion 12 rotates, it continuously squeezes the circular rod 10. The circular rod 10 is pressed and drives the screening box 32 to move to the right through the connecting rod 9. When it is not squeezed, the spring 7 drives the screening box 32 to move to the left to reset. This process is repeated to make the screening box 32 vibrate, thereby improving the screening effect.

[0027] It is worth noting that the grinding mechanism grinds the biomass pellets using two grinding rollers. The above and the parts not described in the instruction manual are all existing technologies and are not the main innovations, so they will not be described in detail here.

[0028] This utility model provides a biomass pellet feeding device. There are many methods and approaches to implement this technical solution; the above is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. All components not explicitly stated in this embodiment can be implemented using existing technology.

Claims

1. A biomass particle feeding device comprising a grinding box (1), characterized in that: The bottom of the grinding box (1) is connected to a screening box (2), the top of the grinding box (1) is connected to a feed inlet, and a grinding mechanism is installed inside. The front of the screening box (2) is provided with a door, and a support leg is fixedly connected to the bottom. A screening mechanism (3) is installed inside the screening box (2). The screening mechanism (3) includes a support frame (31), which is located inside the screening box (2). A screening box (32) is installed inside the support frame (31). The bottom of the screening box (2) is connected to a screening box (32). A feed pipe (4) is provided, and a blowing mechanism (5) is provided on the left side of the feed pipe (4). The blowing mechanism (5) includes an L-shaped plate (51), a motor (52) and a connecting rod (53). The L-shaped plate (51) is fixedly connected to the left side of the screening box (2). The motor (52) is fixedly installed inside the L-shaped plate (51). The connecting rod (53) is fixedly connected to the output end of the motor (52). A circular cover (54) is provided on the left side of the feed pipe (4), and a fan blade (55) is provided inside the circular cover (54).

2. A biomass particulate feed device according to claim 1, wherein: The right end of the connecting rod (53) extends through the left side of the circular cover (54) into the interior of the circular cover (54). The fan blade (55) is fixedly installed on the right side of the connecting rod (53), and the connecting rod (53) is rotatably connected to the circular cover (54).

3. A biomass particulate feed device according to claim 1, wherein: A support plate (6) is fixedly connected to the right side of the inner wall of the screening box (2), and a slider (8) is fixedly connected to the bottom of the support frame (31). A sliding hole is opened on the top of the support plate (6), and the slider (8) is slidably connected inside the sliding hole.

4. A biomass particulate feed device according to claim 3, wherein: A spring (7) is installed inside the sliding hole, and the two ends of the spring (7) are fixedly connected to the inner wall of the sliding hole and the outer wall of the slider (8), respectively.

5. The biomass particulate feed apparatus of claim 1, wherein: A connecting rod (9) is fixedly connected to the left side of the support frame (31), and the connecting rod (9) passes through the left side of the screening box (2) and is slidably connected to the screening box (2). A round rod (10) is fixedly connected to the bottom of the connecting rod (9).

6. A biomass particulate feed apparatus according to claim 1, wherein: A circular plate (11) is fixedly sleeved on the outer wall of the connecting rod (53), and an arc-shaped protrusion (12) is fixedly connected to the right outer wall of the circular plate (11).

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