A biological particle processing apparatus

Abstract

This application discloses a biomass pellet processing device, including a feeding cylinder with a feed inlet. The feeding cylinder is rotatably connected to a conveyor shaft, which has helical blades and a stepper motor for driving the conveyor shaft. On the side of the feeding cylinder opposite the feed inlet, multiple sets of pelleting holes are provided. Each set of pelleting holes includes multiple pelleting holes arranged downwards towards the bottom of the feeding cylinder. A powder-coating box covering the multiple pelleting holes is fixedly connected to the feeding cylinder. The powder-coating box is fixedly equipped with a cylinder and a pellet discharge pipe. The movable end of the cylinder is fixedly equipped with a sliding plate that cooperates with each of the multiple sets of pelleting holes. In this design, the surface of the biomass pellets is coated with powder during the rolling process, preventing the pellets from sticking together.

Description

Technical Field

[0001] This invention relates to the field of environmental protection and new energy technology, specifically to a biomass pellet processing equipment. Background Technology

[0002] Biomass pellet fuel is essentially the direct combustion of biomass energy, which is the processing and utilization of biomass. Direct combustion methods can be divided into four types: stove combustion, boiler combustion, garbage combustion, and solid fuel combustion. Among them, solid fuel combustion is a newly promoted technology. It solidifies biomass into a shape and then uses traditional coal-fired equipment for combustion. Its advantage is that it makes full use of biomass energy to replace coal, which is beneficial to environmental protection and control of greenhouse gas emissions, mitigating climate change and reducing the occurrence of natural disasters.

[0003] Biomass pellet fuel is a granular, environmentally friendly new energy source produced from straw, peanut shells, distiller's grains, and other byproducts. The main process in preparing biomass pellet fuel involves using a pelletizing device to form pellets from a paste-like raw material. However, existing pelletizing devices only have a pelletizing function. Because the pellets are sticky, some will clump together, requiring manual separation to prevent combustion and thus reducing the efficiency of biomass pellet processing. Summary of the Invention

[0004] The present invention aims to provide a bioparticle processing device to solve the problem of bioparticles sticking together in the prior art.

[0005] A biomass pellet processing device includes a feeding cylinder with a feed inlet and a conveying shaft rotatably connected to it. The conveying shaft has helical blades and a stepper motor for driving the conveying shaft to rotate. On the side of the feeding cylinder opposite the feed inlet, multiple sets of pelleting holes are provided. Each set of pelleting holes includes multiple pelleting holes arranged downwards towards the bottom of the feeding cylinder. A powder-coating box covering the multiple pelleting holes is fixedly connected to the feeding cylinder. The powder-coating box is fixedly equipped with a cylinder and a pellet discharge pipe. The movable end of the cylinder is fixedly equipped with a sliding plate that cooperates with each of the multiple sets of pelleting holes. The tilt angle of the multiple sliding plates is the same as the tilt angle of each set of pelleting holes. The edge of the sliding plate abuts against the feeding cylinder. The pellet discharge pipe has a discharge groove for the sliding plates to slide up and down. One end of each of the multiple sliding plates extends into the corresponding discharge groove. The device also includes a powder-adding box, which is fixedly connected to a powder-adding pipe matching the number of sliding plates. The bottom of the powder-adding pipe extends directly above the corresponding sliding plate and is equipped with a flow valve.

[0006] Working principle and beneficial effects of the present invention:

[0007] The raw material for granulation is fed into the feed cylinder through the feed inlet. The stepper motor is started to drive the conveyor shaft to rotate. The spiral blades on the conveyor shaft press the raw material into the granulation hole for extrusion. At the same time, powder is added into the powder box. At this time, the slide plates are located directly below the corresponding granulation hole group. The flow valve controls the powder to flow through the bottom of multiple powder adding pipes to the corresponding slide plates. Since the slide plates are set to tilt downwards, the powder flow covers the entire slide plate.

[0008] After the raw material passes through the granulation holes, a portion is extruded. The cylinder is activated and the stepper motor stops working. The moving end of the cylinder is fixedly equipped with a sliding plate that works in conjunction with multiple sets of granulation holes. The tilt angle of the multiple sliding plates is the same as the tilt angle of each set of granulation holes. The edge of the sliding plate abuts against the feed cylinder. Therefore, the cylinder drives the multiple sliding plates to move upward. The sliding plates scrape the extruded portion from the granulation holes into the granulation holes, and the granulated particles roll downward on the corresponding sliding plate. Since the sliding plates are already covered with a layer of powder, the surface of the particles becomes covered with powder during the rolling process. The particles then enter the discharge pipe from the corresponding discharge chute. The powder on the particle surface prevents the particles from sticking together. The cylinder then drives the multiple sliding plates to move downward to the initial position. The powder flows back to the corresponding sliding plate through the bottom of multiple powder adding pipes. The stepper motor starts working, and the above operation is repeated.

[0009] Furthermore, it also includes a controller, which is electrically connected to the motor, flow valve and stepper motor, and is used to control the operation of the motor, flow valve and stepper motor.

[0010] The controller first controls the flow valve to operate, allowing the powder to flow through the powder filling pipe onto the slide plate. Then, the controller deactivates the flow valve and activates the stepper motor to extrude the raw material. Subsequently, the controller activates the cylinder and deactivates the stepper motor. When the cylinder drives the slide plate downwards back to its initial position, the controller stops the cylinder, and the above operation is repeated in a cycle.

[0011] Furthermore, the vertical cross-section of the skateboard is U-shaped. Since the particles cut by the skateboard are cylindrical, setting the vertical cross-section of the skateboard to U-shape is more conducive to the rolling of the particles within the skateboard.

[0012] Furthermore, the bottom of the discharge pipe is provided with a discharge plate, and both the inner wall of the slide plate and the discharge plate are provided with an adsorption layer. When the powder flows on the slide plate and the discharge plate, a large amount of powder will adhere to the adsorption layer, so when the particles roll on the slide plate and the discharge plate, the particles are covered with a large amount of powder.

[0013] Furthermore, the adsorption layer is a cotton cloth layer. The particles roll on the cotton cloth layer, generating static electricity, which in turn attracts the powder, causing the particles to become covered in powder during the rolling process.

[0014] Furthermore, the adsorption layer is an electrostatic adsorption layer. When an electric current is applied to the electrostatic adsorption layer, an electrostatic field is generated to adsorb the powder, resulting in a strong adsorption capacity. When the particles roll on the electrostatic adsorption layer, the electrostatic adsorption layer loses its ability to adsorb the powder when the power is turned off, and a large amount of powder adheres to the particles.

[0015] Furthermore, the inclination angle of the multiple sets of granulation holes gradually increases from top to bottom. Since each set of granulation holes includes multiple granulation holes arranged at a downward inclination, and the inclination angle of the multiple sets of granulation holes gradually increases from top to bottom, and the inclination angle of the multiple slide plates is the same as the inclination angle of each set of granulation holes, that is, the inclination angle of the multiple slide plates gradually increases from top to bottom. When the particles roll on the slide plates, the rolling speed of the particles on the bottom slide plate is faster than the rolling speed on the upper slide plate. Therefore, the particles fall into the discharge pipe in an alternating manner, and the particles roll on the discharge plate in an alternating manner, so that the particles have enough space and roll more evenly, and the second powder coating of the particles is more even. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the feed cylinder in a bioparticle processing device according to the present invention;

[0017] Figure 2 A vertical cross-sectional view of a bioparticle processing device according to the present invention;

[0018] Figure 3 for Figure 2 Schematic diagram of the structure of medium-sized particles rolling on a skateboard

[0019] Figure 4 for Figure 2 Vertical cross-section of the sliding plate. Detailed Implementation

[0020] The following detailed description illustrates the specific implementation method:

[0021] The reference numerals in the accompanying drawings include: stepper motor 1, feed port 2, feed cylinder 3, second slide plate 4, first slide plate 5, second powder adding pipe 6, flow valve 7, powder adding box 8, first powder adding pipe 9, cylinder 10, powder smearing box 11, granulation hole 12, granulation pipe 13, discharge plate 14, discharge trough 15, granules 16.

[0022] In the following statements, directional terms such as "left," "right," "up," and "down" are based on the directions shown in the diagram. In practice, if the corresponding structures are changed in the same direction based on the direction while maintaining their relative positions, it will not affect the implementation of the plan.

[0023] Example 1: A bioparticle processing device, such as Figure 1As shown, it includes a feeding cylinder 3, a feeding port 2 is fixedly provided in the feeding cylinder 3, a conveying shaft is coaxially rotatably connected to the feeding cylinder 3, a spiral blade is fixedly provided along the axis of the conveying shaft, and a stepper motor 1 for driving the conveying shaft to rotate is fixedly provided in the feeding cylinder 3.

[0024] like Figure 2 As shown, the right side of the feed cylinder 3 is provided with two sets of granulation holes 12, each set of granulation holes 12 including three granulation holes 12 arranged downwards at an angle of 30 degrees. The right side of the feed cylinder 3 is fixedly connected to the powder coating box 11, which is fixedly equipped with a cylinder 10 and a granulation discharge pipe 13. The bottom of the granulation discharge pipe 13 is fixedly equipped with a discharge plate 14. The movable end of the cylinder 10 is fixedly provided with a first sliding plate 5 and a second sliding plate 4. The first sliding plate 5 and the second sliding plate 4 are also inclined downward at 30 degrees. The first sliding plate 5 and the second sliding plate 4 are both in contact with the outer wall of the feed cylinder 3. The discharge pipe 13 is provided with a discharge trough 15 for the first sliding plate 5 and the second sliding plate 4 to slide up and down. The right ends of the first sliding plate 5 and the second sliding plate 4 are both inserted into the discharge trough 15. It also includes a powder adding box 8. The powder adding box 8 is fixed and connected to a first powder adding pipe 9 and a second powder adding pipe 6. The bottom of the first powder adding pipe 9 extends to the top of the first sliding plate 5, and the bottom of the second powder adding pipe 6 extends to the top of the second sliding plate 4. The first powder adding pipe 9 and the second powder adding pipe 6 are both provided with flow valves 7.

[0025] like Figure 3 and Figure 4 As shown, the vertical cross-sections of the first slide plate 5 and the second slide plate 4 are both U-shaped, and cotton cloth layers are fixedly provided on the inner sidewalls of the discharge plate 14, the first slide plate 5 and the second slide plate 4.

[0026] In this embodiment 1, the granulation raw material is put into the feeding cylinder 3 through the feeding port 2. The stepper motor 1 is started to drive the conveyor shaft to rotate. The spiral blades on the conveyor shaft press the raw material into the granulation hole 12 for extrusion. At the same time, powder is added to the powder box 8. The powder is fine powder dried after the granulation raw material is crushed. At this time, the first slide plate 5 and the second slide plate 4 are respectively located directly below the corresponding granulation hole 12 group. The flow valve 7 controls the powder to flow downward through the first powder adding pipe 9 and the second powder adding pipe 6 to the first slide plate 5, the second slide plate 4 and the discharge plate 14.

[0027] After the raw material passes through the granulation hole 12, a portion is extruded. The cylinder 10 is activated and the stepper motor 1 stops working (i.e., the raw material extrusion stops). The cylinder 10 drives the first slide plate 5 and the second slide plate 4 to move upward. The first slide plate 5 and the second slide plate 4 scrape the extruded portion of the raw material from the granulation hole 12 into the first slide plate 5 and the second slide plate 4. The cylindrical granules 16 then roll downward on the first slide plate 5 and the second slide plate 4. Since the first slide plate 5, the second slide plate 4, and the discharge plate 14 are already covered with a layer of powder, the surface of the granules 16 becomes covered with powder as they roll on the first slide plate 5 and the second slide plate 4. The granules then enter the discharge pipe 13 from the corresponding discharge trough 15. The granules 16 become covered with powder again as they roll on the discharge plate 14. The powder discharged from the discharge plate 14 can be screened and reused.

[0028] At this time, cylinder 10 drives the first slide plate 5 and the second slide plate 4 to move down to the initial position. The powder flows through the first powder adding pipe 9 and the second powder adding pipe 6 to the first slide plate 5 and the second slide plate 4. The stepper motor 1 starts to work and repeats the above operation.

[0029] In addition, in order to improve the flow of powder on the first slide plate 5 and the second slide plate 4, the first slide plate 5 and the second slide plate 4 are driven to swing up and down by the cylinder 10 after the powder is added, so as to accelerate the flow of powder. During this process, the stepper motor 1 stops working.

[0030] Example 2 differs from Example 1 in that the inner sides of the first sliding plate 5 and the second sliding plate 4 are provided with an electrostatic adsorption layer. Taking the first sliding plate 5 as an example, a first electrode plate is fixedly disposed on the inner wall of one side of the first sliding plate 5, and a second electrode plate is fixedly disposed on the inner wall of the other side of the first sliding plate 5. A power supply of a certain voltage is applied between the first electrode plate and the second electrode plate, so that an electrostatic field is generated between the first electrode plate and the second electrode plate. This electrostatic field can effectively adsorb the powder so that the particles 16 are fully coated when rolling, without affecting the rolling of the particles 16.

[0031] For those skilled in the art, numerous modifications and improvements can be made without departing from the inventive concept of this invention. These modifications and improvements should also be considered within the scope of protection of this invention, and will not affect the effectiveness of the invention or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A biomass pellet processing device, comprising a feed cylinder, characterized in that: The feeding cylinder is provided with a feeding port, and the feeding cylinder is also rotatably connected to a conveying shaft. The conveying shaft is provided with helical blades and a stepper motor for driving the conveying shaft to rotate. On the other side of the feeding cylinder opposite to the feeding port, there are multiple sets of granulation hole groups. Each set of granulation hole groups includes multiple granulation holes arranged downwards towards the bottom of the feeding cylinder. The feeding cylinder is fixedly connected to a powder coating box that covers the multiple granulation holes. The powder coating box is fixedly provided with a cylinder and a granulation discharge pipe. The movable end of the cylinder is fixedly provided with a sliding plate that cooperates with the multiple sets of granulation hole groups respectively. The tilt angle of the multiple sliding plates is the same as the tilt angle of each set of granulation hole groups. The edge of the sliding plate abuts against the feeding cylinder. The granulation discharge pipe is provided with a discharge groove for the sliding plates to slide up and down. One end of the multiple sliding plates extends into the corresponding discharge groove. It also includes a powder feeding box. The powder feeding box is fixed and connected to a powder feeding pipe that matches the number of sliding plates. The bottom of the powder feeding pipe extends to the top of the corresponding sliding plate. The powder feeding pipe is provided with a flow valve.

2. The bioparticle processing equipment according to claim 1, characterized in that: It also includes a controller, which is electrically connected to the cylinder, flow valve and stepper motor, and is used to control the operation of the cylinder, flow valve and stepper motor.

3. The bioparticle processing equipment according to claim 2, characterized in that: The vertical cross-section of the skateboard is U-shaped.

4. The bioparticle processing equipment according to claim 3, characterized in that: The bottom of the discharge pipe is provided with a discharge plate, and both the inner wall of the slide plate and the discharge plate are provided with an adsorption layer.

5. The bioparticle processing equipment according to claim 4, characterized in that: The adsorption layer is a cotton cloth layer.

6. The bioparticle processing equipment according to claim 4, characterized in that: The adsorption layer is an electrostatic adsorption layer.

7. The bioparticle processing equipment according to claim 5 or 6, characterized in that: The tilt angle of the multiple granulation hole groups gradually increases from top to bottom.

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