Straw crushing device for biomass power generation

Abstract

The utility model relates to a straw crushing device for biomass power generation, which comprises a machine body, a crushing bin is fixedly connected inside the machine body, the crushing bin comprises a filling hopper arranged at the top and a discharging hopper arranged at the bottom, crushing mechanisms are arranged inside and outside the crushing bin, a screening mechanism is arranged inside the machine body, and the screening mechanism is arranged inside the machine body. The crushing mechanism comprises a first motor fixedly connected to the outer wall of the crushing bin, a first crushing roller and a second crushing roller are rotationally connected into the crushing bin, and a first gear and a second gear are fixedly connected to the side ends of the first crushing roller and the second crushing roller correspondingly. According to the straw crushing device for biomass power generation, the first crushing rollers, the second crushing rollers, the first gear and the second gear are arranged, multi-stage crushing of straw is achieved, the distance between the first crushing rollers is larger than that between the second crushing rollers, and the size of the first gear is larger than that of the second gear; by means of the design, straw can be gradually refined in the crushing process, and the crushing efficiency and the crushing quality are improved.

Description

Technical Field

[0001] This utility model relates to the field of straw processing technology, specifically a straw crushing device for biomass power generation. Background Technology

[0002] With the continuous growth of global energy demand and the increasing awareness of environmental protection, biomass energy, as a renewable, low-carbon, and clean energy source, has received widespread attention and application. Biomass power generation, as one of the important pathways for utilizing biomass energy, is of great significance for promoting the optimization of the energy structure and reducing greenhouse gas emissions.

[0003] In biomass power generation, straw is a common biomass raw material, and its pretreatment is particularly crucial. Traditional straw processing methods often suffer from low efficiency, high energy consumption, and unsatisfactory crushing results, making it difficult to meet the fineness and uniformity requirements of biomass power generation. Therefore, a straw crushing device for biomass power generation is proposed to solve the above problems. Utility Model Content

[0004] In view of the shortcomings of the existing technology, this utility model provides a straw crushing device for biomass power generation, which has the advantages of solving the problems.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a straw crushing device for biomass power generation, comprising a body, a crushing chamber fixedly connected inside the body, the crushing chamber comprising a filling hopper at the top and a discharge hopper at the bottom, crushing mechanisms inside and outside the crushing chamber, and a screening mechanism inside the body.

[0006] Furthermore, the crushing mechanism includes a first motor fixedly connected to the outer wall of the crushing chamber, a first crushing roller and a second crushing roller rotatably connected inside the crushing chamber, a first gear and a second gear fixedly connected to the side ends of the first crushing roller and the second crushing roller, the first gear being fixedly connected to the outer surface of the connecting shaft of the first crushing roller and located outside the crushing chamber, the first gear being fixedly connected to the outer surface of the connecting shaft of the second crushing roller and located outside the crushing chamber, the spacing between the first crushing rollers being greater than the spacing between the second crushing rollers, and the size of the first gear being greater than the size of the second gear.

[0007] Furthermore, the screening mechanism includes a second motor fixedly connected to the top of the machine body, a first rotating wheel rotatably connected inside the machine body, a screen cylinder rotatably connected to the outer surface of the first rotating wheel, and a linkage component provided on the outer surface of the output shaft of the second motor.

[0008] Furthermore, the linkage component is composed of a sprocket and a chain.

[0009] Furthermore, a feeding plate is fixedly connected to the side of the machine body.

[0010] Furthermore, a drive wheel is fixedly connected to the outer surface of the output shaft of the second motor, and the drive wheel is rotatably connected to the screen cylinder.

[0011] Furthermore, a guide plate is fixedly connected inside the crushing chamber and is inclined, and the guide plate is disposed between the first crushing roller and the second crushing roller.

[0012] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0013] 1. The straw crushing device for biomass power generation achieves multi-stage crushing of straw by setting a first crushing roller and a second crushing roller, as well as a first gear and a second gear that are matched with them. The distance between the first crushing roller and the second crushing roller is greater than the distance between the second crushing roller and the size of the first gear is greater than the size of the second gear. This design allows the straw to be gradually refined during the crushing process, thereby improving the crushing efficiency and crushing quality.

[0014] 2. The straw crushing device for biomass power generation is designed with a screening mechanism that enables the crushed straw to be effectively screened, removing larger particles and impurities, ensuring the fineness and uniformity of the raw materials for biomass power generation. At the same time, the second motor drives the screen cylinder to rotate through the linkage component, realizing automated screening and reducing the intensity of manual labor. Attached Figure Description

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

[0016] Figure 2 This is a schematic diagram from another perspective of the present invention;

[0017] Figure 3 This is a schematic diagram of the screening mechanism of this utility model;

[0018] Figure 4 This is a schematic diagram of the crushing mechanism of this utility model.

[0019] In the diagram: 1. Machine body, 2. Crushing chamber, 3. Filling hopper, 4. Discharge hopper, 5. Crushing mechanism, 501. First motor, 502. Second gear, 503. First crushing roller, 504. Guide plate, 505. Second crushing roller, 506. First gear, 6. Screening mechanism, 601. Feeding plate, 602. Screen cylinder, 603. Second motor, 604. Linkage assembly, 605. Drive wheel, 606. First rotating wheel. Detailed Implementation

[0020] 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.

[0021] Please see Figure 1-4 The straw crushing device for biomass power generation in this embodiment includes a body 1, a crushing chamber 2 fixedly connected inside the body 1, the crushing chamber 2 including a filling hopper 3 set at the top and a discharge hopper 4 set at the bottom, a crushing mechanism 5 set inside and outside the crushing chamber 2, and a screening mechanism 6 set inside the body 1.

[0022] The crushing mechanism 5 includes a first motor 501 fixedly connected to the outer wall of the crushing chamber 2. A first crushing roller 503 and a second crushing roller 505 are rotatably connected inside the crushing chamber 2. A first gear 506 and a second gear 502 are fixedly connected to the side ends of the first crushing roller 503 and the second crushing roller 505. The first gear 506 is fixedly connected to the outer surface of the connecting shaft of the first crushing roller 503 and is located outside the crushing chamber 2.

[0023] Secondly, the first gear 502 is fixedly connected to the outer surface of the connecting shaft of the second crushing roller 505 and is located outside the crushing chamber 2. The spacing between the first crushing rollers 503 is greater than the spacing between the second crushing rollers 505. The size of the first gear 506 is greater than the size of the second gear 502. The second gears 502 mesh with each other, and the first gears 506 mesh with each other.

[0024] Furthermore, the screening mechanism 6 includes a second motor 603 fixedly connected to the top of the machine body 1. A first rotating wheel 606 is rotatably connected inside the machine body 1. A screen cylinder 602 is rotatably connected to the outer surface of the first rotating wheel 606. A linkage assembly 604 is provided on the outer surface of the output shaft of the second motor 603. The linkage assembly 604 is composed of sprockets and chains. A small sprocket is fixedly connected to the outer surface of the output shaft of the second motor 603, and a large sprocket is fixedly connected to the outer surface of the screen cylinder 602. The chain is sleeved on the outer surfaces of the two sprockets. A feed plate 601 is fixedly connected to the side end of the machine body 1.

[0025] Additionally, a drive wheel 605 is fixedly connected to the outer surface of the output shaft of the second motor 603. The drive wheel 605 is rotatably connected to the screen cylinder 602, which makes the screen cylinder 602 more stable when it rolls. A guide plate 504 is fixedly connected inside the crushing chamber 2 and is in an inclined state. The guide plate 504 is located between the first crushing roller 503 and the second crushing roller 505.

[0026] The feed plate 601, fixedly connected to the side of the machine body 1, facilitates the collection and transportation of crushed straw, further improving the practicality and convenience of the device. At the same time, the entire device has a compact structure, is easy to operate, and is simple to maintain and service, reducing operating costs.

[0027] The working principle of the above embodiments is as follows:

[0028] (1) The straw crushing device for biomass power generation realizes multi-stage crushing of straw by setting a first crushing roller 503 and a second crushing roller 505, as well as a first gear 506 and a second gear 502 that are matched with them. The spacing of the first crushing roller 503 is greater than the spacing of the second crushing roller 505, and the size of the first gear 506 is greater than the size of the second gear 502. This design allows the straw to be gradually refined during the crushing process, thereby improving the crushing efficiency and crushing quality.

[0029] (2) The straw crushing device for biomass power generation has a screening mechanism 6 designed so that the crushed straw can be effectively screened to remove larger particles and impurities, ensuring the fineness and uniformity of the raw materials for biomass power generation. At the same time, the second motor 603 drives the screen cylinder 602 to rotate through the linkage component 604, realizing automated screening and reducing the intensity of manual labor.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A straw crushing device for biomass power generation, comprising a body (1), characterized in that: The machine body (1) is fixedly connected to a crushing chamber (2). The crushing chamber (2) includes a filling hopper (3) at the top and a discharge hopper (4) at the bottom. The crushing chamber (2) is equipped with a crushing mechanism (5) inside and outside. The machine body (1) is equipped with a screening mechanism (6). The crushing mechanism (5) includes a first motor (501) fixedly connected to the outer wall of the crushing chamber (2). A first crushing roller (503) and a second crushing roller (505) are rotatably connected inside the crushing chamber (2). A first gear (506) and a second gear (502) are fixedly connected to the side ends of the first crushing roller (503) and the second crushing roller (505). The first gear (506) is fixedly connected to the outer surface of the connecting shaft of the first crushing roller (503) and is located outside the crushing chamber (2). The first gear (502) is fixedly connected to the outer surface of the connecting shaft of the second crushing roller (505) and is located outside the crushing chamber (2). The spacing between the first crushing rollers (503) is greater than the spacing between the second crushing rollers (505). The size of the first gear (506) is greater than the size of the second gear (502).

2. The straw crushing device for biomass power generation according to claim 1, characterized in that: The screening mechanism (6) includes a second motor (603) fixedly connected to the top of the machine body (1), a first rotating wheel (606) rotatably connected inside the machine body (1), a screen cylinder (602) rotatably connected to the outer surface of the first rotating wheel (606), and a linkage component (604) provided on the outer surface of the output shaft of the second motor (603).

3. The straw crushing device for biomass power generation according to claim 2, characterized in that: The linkage component (604) consists of a sprocket and a chain.

4. A straw crushing device for biomass power generation according to claim 2, characterized in that: The machine body (1) is fixedly connected to a feeding plate (601) on its side.

5. A straw crushing device for biomass power generation according to claim 2, characterized in that: A drive wheel (605) is fixedly connected to the outer surface of the output shaft of the second motor (603), and the drive wheel (605) is tumblingly connected to the screen cylinder (602).

6. A straw crushing device for biomass power generation according to claim 1, characterized in that: The crushing chamber (2) is fixedly connected to a guide plate (504) and is in an inclined state. The guide plate (504) is located between the first crushing roller (503) and the second crushing roller (505).

Images