Biomass particle classifying and crushing device

Abstract

The utility model discloses a biomass particle classification smashing device, relates to smashing device technical field, including two smashing tank and cover plate, the inside of smashing tank is provided with rotating shaft and stirring blade, filter assembly is provided the top end of cover plate, filter assembly includes shunt box and two feed pipe, the feed pipe is equipped with the feed pipe, the feed pipe is equipped with the feed pipe. A plurality of baffle plates are fixedly installed in each feeding pipe, a plurality of heat conduction strips are fixedly installed at the tail end of each baffle plate, the top end of the exhaust pipe is connected with a vacuum pump to generate suction force, and due to the fact that the interiors of the smashing tank, the exhaust pipe and the feeding pipes are communicated, the suction force enables air to flow in the smashing tank and the feeding pipes; dust generated by stirring in the crushing tank is sucked into the exhaust pipe; on the other hand, hot air generated by drying in the feeding pipe is driven to enter the crushing tank, the dry environment in the tank can be maintained in an auxiliary mode, the filter plate protrudes out of the inner side wall of the cover plate, biomass particles in the crushing tank are intercepted, and the particles are prevented from entering the exhaust pipe to cause blockage.

Description

Technical Field

[0001] This utility model relates to the field of crushing device technology, and in particular to a biomass pellet sorting and crushing device. Background Technology

[0002] Biomass pellets are a type of solid fuel made from agricultural and forestry waste (such as straw, sawdust, rice husks, etc.) through processes such as crushing, drying, and compression.

[0003] Currently, existing crushing devices (such as patent publication number: CN220048478U) disclose a sorting and crushing device for biomass pellet production. The second motor is started to drive the rotating shaft to rotate, the rotating shaft drives the circular plate to rotate, the circular plate drives the sliding rod to rotate, and the sliding rod drives the sleeve rod to move up and down to vibrate the elastic filter screen. The elastic filter screen has an inclined angle, so that small particles fall out from the gaps in the elastic filter screen, and large particles accumulate at the lower end of the elastic filter screen and are screened by repeated vibration.

[0004] In the aforementioned patent, biomass pellets become damp during storage and transportation, resulting in a significant increase in material viscosity. During the crushing process, they adhere to the inner wall of the crushing chamber, hammer blades, screens, and other components, forming a "wall-sticking" phenomenon, which reduces the effective crushing space and lowers the impact efficiency of the hammer blades on the material. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a biomass pellet sorting and crushing device, which solves the technical problem that biomass pellets become damp during storage and transportation, resulting in significantly increased material viscosity. During the crushing process, the pellets adhere to the inner wall of the crushing chamber, hammers, screens, and other components, forming a "wall-sticking" phenomenon, reducing the effective crushing space and lowering the impact efficiency of the hammers on the material.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A biomass pellet sorting and pulverizing device includes two pulverizing tanks and a cover plate. The pulverizing tanks are equipped with a rotating shaft and stirring blades. The device also includes...

[0008] A filter assembly is disposed at the top of the cover plate. The filter assembly includes a flow distribution box and two feed pipes. Multiple flow baffles are fixedly installed inside each feed pipe, and multiple heat-conducting strips are fixedly installed at the end of each flow baffle.

[0009] Preferably, each of the flow-blocking plates has a conical protrusion structure, and the end of each of the feed pipes is connected to the top of the cover plate;

[0010] An exhaust pipe is provided at the top of the cover plate, and a fixing seat is fixedly installed on the surface of the exhaust pipe.

[0011] Preferably, each of the exhaust pipes has a docking ring fixedly installed at its end, and the top of each of the exhaust pipes is connected to a vacuum pump;

[0012] A support ring is fixedly installed at the bottom end of each of the docking rings, and a filter plate is fixedly installed on the outer side of each of the support rings.

[0013] The same wire harness is fixedly installed on the inner side of both feed pipes.

[0014] Compared with the prior art, the present invention has the following beneficial effects;

[0015] In this invention, a downward-protruding conical baffle is provided inside the feed pipe. When the particles are conveyed, they are intercepted by multiple layers of baffles, and the flow rate is slowed down. At the same time, the wiring harness supplies power to the heat-conducting strip, which heats up and forms a heating zone between multiple baffles, which quickly dries the moist particles.

[0016] In this invention, a vacuum pump is connected to the top of the exhaust pipe to generate suction. Since the crushing tank, the exhaust pipe, and the feed pipe are interconnected, the suction causes air to flow in the crushing tank and the feed pipe. On the one hand, the dust generated by stirring in the crushing tank is sucked into the exhaust pipe; on the other hand, the hot air generated by drying in the feed pipe is brought into the crushing tank, which can help maintain a dry environment inside the tank. Attached Figure Description

[0017] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0018] Figure 1 This is a structural diagram of the pulverizing tank of this utility model;

[0019] Figure 2 This is a structural diagram of the support ring of this utility model;

[0020] Figure 3 This is a structural diagram of the flow-blocking plate of this utility model;

[0021] Figure 4 This is a structural diagram of the feed pipe of this utility model.

[0022] In the diagram: 11. Crushing tank; 12. Cover plate; 13. Diverter box; 14. Exhaust pipe; 15. Fixing base; 16. Feed pipe; 17. Connecting ring; 18. Support ring; 19. Filter plate; 21. Baffle plate; 22. Heat conduction strip; 23. Wiring harness. Detailed Implementation

[0023] This application provides a biomass pellet sorting and crushing device, which effectively solves the problem that biomass pellets become damp during storage and transportation, resulting in significantly increased material viscosity. During the crushing process, the pellets adhere to the inner wall of the crushing chamber, hammers, screens, and other components, forming a "wall-sticking" phenomenon, reducing the effective crushing space and decreasing the impact efficiency of the hammers on the material. Inside the feed pipe, due to the presence of downward-protruding conical baffles, the pellet conveying is intercepted by multiple layers of baffles, slowing down the flow rate. At the same time, the wiring harness supplies power to the heat-conducting strips, which heat up, forming a heating zone between multiple baffles, quickly drying the damp pellets.

[0024] Example

[0025] like Figures 1-4 As shown, the technical solution in this application embodiment effectively solves the technical problem that biomass pellets become damp during storage and transportation, resulting in significantly increased material viscosity. During the crushing process, the pellets adhere to the inner wall of the crushing chamber, hammers, screens, and other components, forming a "wall-sticking" phenomenon, reducing the effective crushing space and decreasing the impact efficiency of the hammers on the material. The overall idea is as follows:

[0026] To address the problems existing in the prior art, this utility model provides a biomass pellet sorting and crushing device, including two crushing tanks 11 and a cover plate 12. The crushing tank 11 is equipped with a rotating shaft and stirring blades. The material is transported into the crushing tank 11, and the different biomass pellets are stirred and crushed by the stirring blades inside.

[0027] The filter assembly is located at the top of the cover plate 12. The filter assembly includes a diversion box 13 and two feed pipes 16. Multiple baffles 21 are fixedly installed inside each feed pipe 16. Multiple heat-conducting strips 22 are fixedly installed at the end of each baffle 21. Multiple baffles 21 are arranged on the inner wall of the feed pipe 16. The baffles 21 are downward convex. When the biomass pellets are transported inside the feed pipe 16, they encounter the baffles 21 and are blocked by multiple layers. The flow rate of the biomass pellets inside the feed pipe 16 is slowed down. At the same time, the heat-conducting strips 22 generate heat. Through the multiple heat-conducting strips 22, a heating zone is formed between the multiple baffles 21 to quickly dry the moist biomass pellets.

[0028] Each baffle plate 21 has a conical protrusion structure, and the end of each feed pipe 16 is connected to the top of the cover plate 12. The feed pipe 16 transports the different biomass particles screened by the diversion box 13 to their respective crushing tanks 11, where the biomass particles are stirred and crushed.

[0029] An exhaust pipe 14 is provided at the top of the cover plate 12. A fixing seat 15 is fixedly installed on the surface of the exhaust pipe 14. The exhaust pipe 14 is fixed to the side of the distribution box 13. At the same time, the top of the exhaust pipe 14 is connected to a vacuum pump, which generates suction inside the exhaust pipe 14. The interiors of the crushing tank 11, the exhaust pipe 14 and the feed pipe 16 are interconnected. The suction generated by the exhaust pipe 14 allows air to flow inside the crushing tank 11 and the feed pipe 16, drawing the dust generated by the stirring inside the crushing tank 11 into the interior of the exhaust pipe 14. At the same time, the air flows inside the feed pipe 16, bringing the heat inside the feed pipe 16 into the interior of the crushing tank 11.

[0030] Each exhaust pipe 14 is fixedly installed with a docking ring 17 at its end, and the top of each exhaust pipe 14 is connected to a vacuum pump. The docking ring 17 is fixed to the top of the cover plate 12 with sealant.

[0031] Each docking ring 17 is fixedly installed with a support ring 18 at its bottom end. A filter plate 19 is fixedly installed on the outside of each support ring 18. The filter plate 19 is installed in a position that protrudes from the inner side wall of the cover plate 12. The support ring 18 is fixed inside the exhaust pipe 14. The filter plate 19 is added to the outside of the support ring 18 to allow air to enter the interior of the exhaust pipe 14, while intercepting the biomass particles inside the pulverizing tank 11.

[0032] The same wire harness 23 is fixedly installed on the inner side of both feed pipes 16. The end of the wire harness 23 is inserted into the inside of the feed pipe 16 and connected to multiple baffles 21 to supply power to the heat guide strip 22.

[0033] Working principle:

[0034] In the first step, the external biomass pellets first enter the distribution box 13. After screening, different pellets are conveyed through the feed pipe 16. Inside the feed pipe 16, due to the presence of downward-protruding conical baffles 21, the pellets are intercepted by multiple layers of baffles 21, slowing down the flow rate. At the same time, the wiring harness 23 supplies power to the heat conduction strip 22, which heats up and forms a heating zone between multiple baffles 21, quickly drying the wet pellets. The pre-treated pellets are then sent to the corresponding crushing tank 11 through the end of the feed pipe 16. The rotating shaft and stirring blades inside the crushing tank 11 work to stir and crush the fed biomass pellets, completing the material crushing process.

[0035] In the second step, the surface fixing seat 15 of the exhaust pipe 14 at the top of the cover plate 12 is used to fix it to the side of the diversion box 13. The top of the exhaust pipe 14 is connected to a vacuum pump to generate suction. Since the crushing tank 11, the exhaust pipe 14 and the feed pipe 16 are connected, the suction causes air to flow in the crushing tank 11 and the feed pipe 16: on the one hand, the dust generated by stirring in the crushing tank 11 is sucked into the exhaust pipe 14; on the other hand, the hot air generated by drying in the feed pipe 16 is driven into the crushing tank 11, which can help maintain the dry environment inside the tank. Inside the exhaust pipe 14, the docking ring 17 is fixed to the top of the cover plate 12 with sealant, and the support ring 18 is fixed inside the exhaust pipe 14. The outer filter plate 19 protrudes from the inner side wall of the cover plate 12, allowing air to enter the exhaust pipe 14, while intercepting the biomass particles in the crushing tank 11, preventing the particles from entering the exhaust pipe 14 and causing blockage, thus ensuring the stable operation of the device.

[0036] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A biomass pellet sorting and pulverizing device, comprising two pulverizing tanks (11) and a cover plate (12), characterized in that, The grinding tank (11) is equipped with a rotating shaft and stirring blades inside, and also includes; The filter assembly is located at the top of the cover plate (12). The filter assembly includes a flow distribution box (13) and two feed pipes (16). Each feed pipe (16) has multiple flow baffles (21) fixedly installed inside, and each flow baffle (21) has multiple heat-conducting strips (22) fixedly installed at its end.

2. The biomass pellet sorting and pulverizing device as described in claim 1, characterized in that, Each of the flow deflectors (21) has a conical protrusion structure, and the end of each feed pipe (16) is connected to the top of the cover plate (12).

3. The biomass pellet sorting and pulverizing device as described in claim 1, characterized in that, The top of the cover plate (12) is provided with an exhaust pipe (14), and a fixing seat (15) is fixedly installed on the surface of the exhaust pipe (14).

4. The biomass pellet sorting and pulverizing device as described in claim 3, characterized in that, Each of the exhaust pipes (14) is fixedly fitted with a docking ring (17) at its end, and the top of each of the exhaust pipes (14) is connected to a vacuum pump.

5. The biomass pellet sorting and pulverizing device as described in claim 4, characterized in that, Each of the docking rings (17) has a support ring (18) fixedly installed at its bottom end, and a filter plate (19) is fixedly installed on the outside of each of the support rings (18).

6. A biomass pellet sorting and pulverizing device as described in any one of claims 1-5, characterized in that, The same wire harness (23) is fixedly installed on the inner side of both feed pipes (16).

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