Raw material crushing device for biomass power plant

Abstract

The raw material crushing device for the biomass power plant comprises a fixing frame, the interior of the fixing frame is fixedly connected with a crushing tank, the bottom of the crushing tank is fixedly connected with a motor, the output end of the motor penetrates through the crushing tank to be fixedly connected with a rotating rod, and the outer side of the rotating rod is fixedly connected with a second crushing cutter. The crushing device has the beneficial effects that the motor is started, so that the output end of the motor drives the rotating rod to rotate, then the second crushing cutter crushes materials, and during crushing, the fan is started, so that the dust collecting cover conveys dust generated in the crushing tank into the collecting box through the second pipeline, the fan and the first pipeline; and the gas is filtered for the first time through the primary filter screen, harmful substances are adsorbed through the activated carbon filter screen, and then the gas is discharged through the filter holes, so that dust is prevented from drifting in the air, and environmental pollution and harm to human health are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of raw material crushing, in particular to a raw material crushing device for a biomass power plant. Background Art

[0002] A power plant is a power plant that converts some form of raw energy into electrical energy for fixed facilities or transportation, while biomass raw materials refer to a new type of clean fuel that uses agricultural and forestry waste as raw materials and is made into various shapes that can be directly burned through processes such as crushing, mixing, extrusion and drying.

[0003] In the prior art, in the production of biomass pellet fuel, it is first necessary to crush raw materials such as straw, rice straw, rice husks, and peanut shells, and then perform subsequent processing on these crushed raw materials. When crushing the straw and rice straw, a motor drives multiple stirring knives to crush the straw, rice straw, rice husks and other raw materials, and then perform subsequent processing after crushing.

[0004] In practical applications, this technology directly crushes raw materials such as straw, rice straw, and rice husks through a mixing knife, causing fine debris and dust to fly during crushing, thereby causing air pollution and affecting the health of workers. Therefore, a raw material crushing device for a biomass power plant is needed. Utility Model Content

[0005] In view of the above problems existing in the prior art, the main purpose of the utility model is to provide a raw material crushing device for a biomass power plant.

[0006] The technical solution of the utility model is as follows: a raw material crushing device for a biomass power plant comprises a fixed frame, a crushing tank is fixedly connected inside the fixed frame, a motor is fixedly connected to the bottom of the crushing tank, an output end of the motor passes through the crushing tank and is fixedly connected to a rotating rod, a second crushing knife is fixedly connected to the outside of the rotating rod, a disc is fixedly connected inside the crushing tank and below the second crushing knife, a plurality of feeding holes are provided inside the disc, a feed hopper is fixedly connected to the top of the crushing tank, a sealing cover is threadedly connected to the top of the feed hopper, a collecting box is fixedly connected to one side of the top of the fixed frame, and a dust collecting mechanism is provided inside the collecting box;

[0007] The dust suction mechanism includes a fan, the top of the collecting box is fixedly connected to the fan, the left end of the fan is fixedly connected to a second pipe, the bottom end of the second pipe passes through the interior of the crushing tank and is fixedly connected to a dust collecting hood, the rear end of the fan is fixedly connected to a first pipe, the bottom end of the first pipe passes through the collecting box and extends to the interior of the collecting box, the interior of the collecting box is fixedly connected to a primary filter, the interior of the collecting box is fixedly connected to an activated carbon filter below the primary filter, and filter holes are symmetrically provided on both sides of the collecting box and below the activated carbon filter.

[0008] As a preferred embodiment, a rectangular seat is fixedly connected to the outside of the rotating rod and above the disc, connecting frames are fixedly connected to both sides of the rectangular seat, and the bottom of the connecting frame is connected to a scraper by screws, and the bottom of the scraper is in contact with the upper surface of the disc.

[0009] As a preferred implementation manner, a stirring rod is fixedly connected to the top of the connecting frame, and a first crushing knife is fixedly connected to the outer side of the stirring rod.

[0010] As a preferred embodiment, a discharge pipe is fixedly connected to one side of the bottom of the crushing tank, one end of the discharge pipe passes through the crushing tank and is fixedly connected to an electric valve, and the inner bottom wall of the crushing tank is designed to be cut obliquely.

[0011] As a preferred embodiment, a box door is installed on the right side of the collection box, and a handle is fixedly connected to the outer side of the box door.

[0012] As a preferred embodiment, a protective shell is fixedly connected to the bottom of the crushing tank and located on the outside of the motor, and a threaded ring is provided on the outside of the feed hopper.

[0013] As a preferred embodiment, four corners of the bottom of the fixing frame are fixedly connected to vertical poles, and the bottom of the vertical poles is fixedly connected to a bottom plate.

[0014] As a preferred embodiment, a controller is fixedly connected to the front side of the collection box and above the filter hole, and the motor, fan and electric valve are all electrically connected to the controller.

[0015] Compared with the prior art, the advantages and positive effects of the utility model are:

[0016] 1. A raw material crushing device for a biomass power plant starts a motor so that the output end of the motor drives the rotating rod to rotate, and then the second crushing knife crushes the material. During crushing, the fan is started so that the dust collecting hood transports the dust generated inside the crushing tank through the second pipe, the fan, and the first pipe to the inside of the collecting box, and then passes through the primary filter screen for the first filtration, and then the harmful substances are adsorbed by the activated carbon filter screen, and then the gas is discharged through the filter holes, which is beneficial to prevent dust from floating in the air, avoiding environmental pollution and harming human health.

[0017] 2. The raw material crushing device for a biomass power plant is adapted to scrape the crushed material to the bottom of the disc through a discharge hole by means of a scraper fitted to the upper surface of the disc. The discharge hole is conducive to more uniform crushing of the material, and the scraper is conducive to preventing the material from accumulating on top of the disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model provides a partial three-dimensional schematic diagram of the structure of a raw material crushing device for a biomass power plant;

[0019] Figure 2 The utility model provides a structural stereoscopic schematic diagram of a raw material crushing device for a biomass power plant;

[0020] Figure 3 The utility model provides a partial three-dimensional schematic diagram of the structure of a raw material crushing device for a biomass power plant;

[0021] Figure 4 The utility model provides a partial three-dimensional schematic diagram of the structure of a raw material crushing device for a biomass power plant;

[0022] Figure 5 The utility model provides a partial three-dimensional schematic diagram of the structure of a raw material crushing device for a biomass power plant.

[0023] Legend: 1. Fixed frame; 2. Crushing tank; 3. Feed hopper; 4. Sealing cover; 5. Dust suction mechanism; 501. Fan; 502. First pipe; 503. Second pipe; 504. Primary filter; 505. Activated carbon filter; 506. Filter hole; 507. Dust hood; 6. Threaded ring; 7. Collection box; 8. Controller; 9. Vertical pole; 10. Bottom plate; 11. Protective shell; 12. Discharge pipe; 13. Electric valve; 14. Motor; 15. Rotating rod; 16. Disc; 17. Feeding hole; 18. Rectangular seat; 19. Connecting frame; 20. Stirring rod; 21. First crushing knife; 22. Second crushing knife; 23. Box door; 24. Handle; 25. Scraper. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0025] like Figure 1-Figure 5 As shown, the utility model provides a technical solution: it includes a fixed frame 1, a crushing tank 2 is fixedly connected inside the fixed frame 1, a motor 14 is fixedly connected to the bottom of the crushing tank 2, an output end of the motor 14 passes through the crushing tank 2 and is fixedly connected to a rotating rod 15, a second crushing knife 22 is fixedly connected to the outside of the rotating rod 15, a disc 16 is fixedly connected inside the crushing tank 2 and below the second crushing knife 22, a plurality of discharge holes 17 are provided inside the disc 16, a feed hopper 3 is fixedly connected to the top of the crushing tank 2, a sealing cover 4 is threadedly connected to the top of the feed hopper 3, and the sealing cover 4 is helpful to prevent dust from escaping from the inside of the crushing tank 2 during crushing, a collecting box 7 is fixedly connected to one side of the top of the fixed frame 1, and a dust collecting mechanism 5 is arranged inside the collecting box 7;

[0026] The dust suction mechanism 5 includes a fan 501, which is fixedly connected to the top of the collecting box 7, a second pipe 503 is fixedly connected to the left end of the fan 501, the bottom end of the second pipe 503 passes through the inside of the crushing tank 2 and is fixedly connected to a dust collecting hood 507, the rear end of the fan 501 is fixedly connected to the first pipe 502, the bottom end of the first pipe 502 passes through the collecting box 7 and extends to the inside of the collecting box 7, a primary filter 504 is fixedly connected to the inside of the collecting box 7, an activated carbon filter 505 is fixedly connected to the inside of the collecting box 7 and below the primary filter 504, and filter holes 506 are symmetrically provided on both sides of the collecting box 7 and below the activated carbon filter 505.

[0027] In this embodiment, by rotating the sealing cover 4, the material is put into the crushing tank 2 through the feed hopper 3, and then the motor 14 is started, so that the output end of the motor 14 drives the rotating rod 15 to rotate, and then the second crushing knife 22 crushes the material. During crushing, the fan 501 is started, so that the dust collecting hood 507 transports the dust generated inside the crushing tank 2 through the second pipe 503, the fan 501, and the first pipe 502 to the inside of the collecting box 7, and then passes through the primary filter 504 for the first filtration, and then the harmful substances are adsorbed by the activated carbon filter 505, and then the gas is discharged through the filter hole 506, which is conducive to preventing dust from floating in the air, avoiding environmental pollution and harming human health.

[0028] Furthermore, a rectangular seat 18 is fixedly connected to the outer side of the rotating rod 15 and located above the disc 16. Connecting frames 19 are fixedly connected to the two sides of the rectangular seat 18. A scraper 25 is connected to the bottom of the connecting frame 19 by screws. The bottom of the scraper 25 is in contact with the upper surface of the disc 16. The scraper 25 is in contact with the upper surface of the disc 16 so that the crushed material can be scraped to the bottom of the disc 16 through the discharge hole 17. The discharge hole 17 is conducive to more uniform crushing of the material, and the scraper 25 is conducive to preventing the material from accumulating above the disc 16.

[0029] Furthermore, a stirring rod 20 is fixedly connected to the top of the connecting frame 19, and a first crushing knife 21 is fixedly connected to the outer side of the stirring rod 20. By providing two stirring rods 20 and multiple first crushing knives 21, the rotating rod 15 can cause the first crushing knife 21 to crush the material inside the crushing tank 2 over a large range when it rotates, thereby improving the crushing efficiency.

[0030] Furthermore, a discharge pipe 12 is fixedly connected to one side of the bottom of the crushing tank 2, and one end of the discharge pipe 12 passes through the crushing tank 2 and is fixedly connected to an electric valve 13. The inner bottom wall of the crushing tank 2 is designed to be cut obliquely. The inclined design of the bottom wall inside the crushing tank 2 is conducive to the rapid discharge of crushed materials through the discharge pipe 12.

[0031] Furthermore, a box door 23 is installed on the right side of the collection box 7, and a handle 24 is fixedly connected to the outer side of the box door 23. The box door 23 can be quickly opened by the handle 24, which is convenient for cleaning the primary filter 504 and the activated carbon filter 505 inside the collection box 7.

[0032] Furthermore, a protective shell 11 is fixedly connected to the bottom of the crushing tank 2 and located outside the motor 14 , and a threaded ring 6 is provided on the outside of the feed hopper 3 . The protective shell 11 is beneficial for protecting the motor 14 .

[0033] Furthermore, four corners of the bottom of the fixing frame 1 are fixedly connected with upright poles 9, and the bottom of the upright poles 9 is fixedly connected with a bottom plate 10, which is conducive to stable support of the device.

[0034] Furthermore, a controller 8 is fixedly connected to the front side of the collecting box 7 and above the filter hole 506. The motor 14, the fan 501, and the electric valve 13 are all electrically connected to the controller 8, which facilitates rapid control of the motor 14, the fan 501, and the electric valve 13.

[0035] Working principle:

[0036] like Figure 1-Figure 5 As shown, when in use, by rotating the sealing cover 4, the material is put into the crushing tank 2 through the feed hopper 3, and then the motor 14 is started, so that the output end of the motor 14 drives the rotating rod 15 to rotate, and then the second crushing knife 22 crushes the material. During crushing, the fan 501 is started, so that the dust collecting hood 507 transports the dust generated inside the crushing tank 2 through the second pipe 503, the fan 501, and the first pipe 502 to the inside of the collecting box 7, and then passes through the primary filter 504 for the first filtration, and then the harmful substances are adsorbed by the activated carbon filter 505, and then the gas is discharged through the filter hole 506, which is conducive to preventing dust from floating in the air, avoiding environmental pollution and harming human health.

[0037] Finally, it should be noted that the above-described embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A raw material crushing device for a biomass power plant, comprising a fixed frame (1), characterized in that: A crushing pot (2) is fixedly connected to the interior of the fixed frame (1), a motor (14) is fixedly connected to the bottom of the crushing pot (2), an output end of the motor (14) passes through the crushing pot (2) and is fixedly connected to a rotating rod (15), a second crushing knife (22) is fixedly connected to the outside of the rotating rod (15), a disc (16) is fixedly connected to the interior of the crushing pot (2) and below the second crushing knife (22), a plurality of discharge holes (17) are provided inside the disc (16), a feed hopper (3) is fixedly connected to the top of the crushing pot (2), a sealing cover (4) is threadedly connected to the top of the feed hopper (3), a collecting box (7) is fixedly connected to one side of the top of the fixed frame (1), a dust collecting mechanism (5) is provided inside the collecting box (7); The dust suction mechanism (5) comprises a fan (501), the top of the collection box (7) is fixedly connected to the fan (501), the left end of the fan (501) is fixedly connected to a second pipe (503), the bottom end of the second pipe (503) passes through the inside of the crushing tank (2) and is fixedly connected to a dust collecting hood (507), the rear end of the fan (501) is fixedly connected to a first pipe (502), the bottom end of the first pipe (502) passes through the collection box (7) and extends to the inside of the collection box (7), the inside of the collection box (7) is fixedly connected to a primary filter (504), the inside of the collection box (7) is fixedly connected to an activated carbon filter (505) below the primary filter (504), and filter holes (506) are symmetrically provided on both sides of the collection box (7) and below the activated carbon filter (505).

2. The raw material crushing device for a biomass power plant according to claim 1 is characterized in that: A rectangular seat (18) is fixedly connected to the outside of the rotating rod (15) and located above the disc (16); connecting frames (19) are fixedly connected to both sides of the rectangular seat (18); a scraper (25) is connected to the bottom of each connecting frame (19) via screws; the bottom of the scraper (25) is in contact with the upper surface of the disc (16).

3. The raw material crushing device for a biomass power plant according to claim 2 is characterized in that: The top of the connecting frame (19) is fixedly connected to a stirring rod (20), and the outer side of the stirring rod (20) is fixedly connected to a first crushing knife (21).

4. The raw material crushing device for a biomass power plant according to claim 1 is characterized in that: A discharge pipe (12) is fixedly connected to one side of the bottom of the crushing tank (2), one end of the discharge pipe (12) passes through the crushing tank (2) and is fixedly connected to an electric valve (13), and the inner bottom wall of the crushing tank (2) is designed to be cut obliquely.

5. The raw material crushing device for a biomass power plant according to claim 1 is characterized in that: A box door (23) is installed on the right side of the collection box (7), and a handle (24) is fixedly connected to the outer side of the box door (23).

6. The raw material crushing device for a biomass power plant according to claim 1, characterized in that: A protective shell (11) is fixedly connected to the bottom of the crushing tank (2) and located outside the motor (14), and a threaded ring (6) is provided on the outside of the feed hopper (3).

7. The raw material crushing device for a biomass power plant according to claim 1 is characterized by: The four corners of the bottom of the fixed frame (1) are fixedly connected to upright poles (9), and the bottom of the upright poles (9) is fixedly connected to a bottom plate (10).

8. The raw material crushing device for a biomass power plant according to claim 1, characterized in that: A controller (8) is fixedly connected to the front side of the collection box (7) and above the filter hole (506); the motor (14), the fan (501), and the electric valve (13) are all electrically connected to the controller (8).

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