Raw material impurity removal device for biomass fuel production

Abstract

The utility model discloses a biomass fuel production raw material impurity removal device which comprises a supporting frame, a feeding groove is formed in one side of the upper end of the supporting frame, a first shaft rod is arranged at the lower end of one side of the feeding groove, a second shaft rod is connected to one side of the first shaft rod in an inserted mode, and a first gear is arranged on the side, located outside the feeding groove, of the first shaft rod. A first gear meshed with the first gear is arranged on the first shaft rod, a second gear meshed with the first gear is arranged on the second shaft rod, a smashing roller shaft is arranged at the ends, located in the feeding groove, of the first shaft rod and the second shaft rod, a smashing tool bit is arranged on the smashing roller shaft, a screening bin is arranged in the supporting frame, and the upper portion of the mounting base is fixedly connected with the supporting frame through a spring. A screening plate is arranged at the upper end in the screening bin, and a vibration motor is arranged below the screening bin. The impurity removing device is good in smashing effect, impurities in biomass fuel raw materials can be effectively removed, and the production quality of biomass fuel is effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of biomass fuel production, particularly relates to a raw material impurity removal device for biomass fuel production. BACKGROUND

[0002] Biomass pellet fuel is essentially direct combustion of biomass energy, and is the processing and utilization of biomass. Direct combustion can be divided into four cases: stove combustion, boiler combustion, garbage combustion and solid fuel combustion. Among them, solid fuel combustion is a newly promoted technology, which solidifies and shapes the biomass and then uses traditional coal-burning equipment. Its advantages are that it fully utilizes biomass energy to replace coal, reduces CO2 and SO2 emissions, is beneficial to environmental protection and control of greenhouse gas emissions, slows down climate deterioration, and reduces the occurrence of natural disasters. Biomass pellet fuel is made of straw and the like. During the production of biomass pellet fuel, direct crushing of straw and the like will cause dust to be mixed in the fuel, so it is necessary to knock and dust the straw. Currently, most straw dust removal and impurity removal are manually operated, which is not only time-consuming and labor-intensive, but also low in work efficiency and inconvenient for batch production. Therefore, we propose a raw material impurity removal device for biomass fuel production. SUMMARY

[0003] To solve the above problems, the utility model provides a raw material impurity removal device for biomass fuel production. The utility model solves the problem that during the production of biomass pellet fuel, direct crushing of straw and the like will cause dust to be mixed in the fuel, so it is necessary to knock and dust the straw. Currently, most straw dust removal and impurity removal are manually operated, which is not only time-consuming and labor-intensive, but also low in work efficiency and inconvenient for batch production.

[0004] The raw material impurity removal device for biomass fuel production in the utility model, including support frame, one side of support frame upper end is equipped with feeding groove, one side lower extreme of feeding groove is equipped with first axle rod, one side of first axle rod is inserted with second axle rod, first axle rod one side located in feeding groove outside is equipped with first gear, second axle rod is equipped with second gear that meshes with first gear, first axle rod and second axle rod one end located in feeding groove is equipped with crushing roller axle, crushing roller axle is equipped with crushing tool bit, support frame is equipped with screening bin in, the upper end of screening bin is equipped with four matrix arrangement's mounting seat, the upper portion of mounting seat is fixedly connected with support frame through spring, the upper end of screening bin in is equipped with screening board, the lower portion of screening bin is equipped with vibration motor.

[0005] In the above scheme, the first discharge port is arranged below the screening board in the screening bin.

[0006] In the above scheme, the second discharge port is arranged above the screening board in the screening bin.

[0007] The upper end of the screening bin is provided with a feeding port matched with the feeding groove.

[0008] The screening bin and the screening plate are both arranged downwardly.

[0009] The lower end of the supporting frame is fixedly provided with a motor, a first belt pulley is arranged on the rotating shaft of the motor, a second belt pulley is arranged on the first shaft rod, and the first belt pulley and the second belt pulley are connected through a belt transmission.

[0010] The first shaft rod and the second shaft rod rotate in opposite directions, the two crushing roller shafts are matched with each other, the crushing cutter head can crush the biomass fuel raw material, the vibration motor drives the screening bin to vibrate when working, the transmission of the screening bin drives the screening plate to vibrate, the vibration of the screening plate enables the screening bin to screen the crushed biomass fuel, and thus the purpose of removing dust and other impurities in the biomass fuel raw material can be achieved. BRIEF DESCRIPTION OF DRAWINGS

[0011] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0012] Fig. 1 It is a structural schematic view of the present application;

[0013] Fig. 2 It is a sectional view of the present application;

[0014] Fig. 3 It is a back view of the present application.

[0015] In the drawings: 1, supporting frame 2, feeding groove 3, first shaft rod 4, second shaft rod

[0016] 5, first gear 6, second gear 7, crushing roller shaft 8, crushing cutter head

[0017] 9, screening bin 10, mounting seat 11, spring 12, screening plate

[0018] 13. Vibrating motor; 14. First discharge port; 15. Second discharge port; 16. Feed port.

[0019] 17. Motor; 18. First pulley; 19. Second pulley; 20. Belt. Detailed Implementation

[0020] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model.

[0021] like Figs. 1-3 As shown, this utility model is a raw material impurity removal device for biomass fuel production, including a support frame 1. A feed trough 2 is provided on one side of the upper end of the support frame 1. A first shaft 3 is provided on the lower end of one side of the feed trough 2. A second shaft 4 is inserted into one side of the first shaft 3. Both ends of the first shaft 3 and the second shaft 4 are movably connected to the side wall of the feed trough 2. A first gear 5 is provided on the side of the first shaft 3 outside the feed trough 2. A second gear 6 meshing with the first gear 5 is provided on the second shaft 4. A crushing roller shaft 7 is provided at one end of the first shaft 3 and the second shaft 4 inside the feed trough 2. A crushing cutter head 8 is provided on the crushing roller shaft 7. When the first shaft 3 rotates, it drives the first gear 5 to rotate. The second gear 6 meshing with the first gear 5 begins to rotate under the drive of the first gear 5. When the first gear 5 rotates, the second shaft 4... The crushing roller shaft 7 also rotates accordingly. The first shaft 3 and the second shaft 4 rotate in opposite directions. Through the mutual cooperation between the two crushing roller shafts 7, the crushing head 8 can crush the biomass fuel raw materials. The support frame 1 is provided with a screening chamber 9. The upper end of the screening chamber 9 is provided with four matrix-arranged mounting seats 10. The mounting seats 10 are fixedly connected to the support frame 1 by springs 11. The upper end of the screening chamber 9 is provided with a screening plate 12. The lower end of the screening chamber 9 is provided with a vibration motor 13. When the vibration motor 13 is working, the vibration motor 13 drives the screening chamber 9 to vibrate. Through the transmission of the screening chamber 9, the screening plate 12 also vibrates. Through the vibration of the screening plate 12, the screening chamber 9 can screen the crushed biomass fuel, thereby completing the purpose of removing dust and other impurities inside the biomass fuel raw materials.

[0022] The screening chamber 9 is located below the screening plate 12 and has a first discharge port 14, through which impurities from the screening of biomass fuel raw materials can be discharged.

[0023] The screening chamber 9 is located above the screening plate 12 and has a second discharge port 15, through which the screened biomass fuel raw materials can be discharged.

[0024] The screening chamber 9 has a feed inlet 16 at the upper end that matches the feed trough 2. The biomass fuel raw materials that have been crushed inside the feed trough 2 can enter the screening chamber 9 through the feed inlet 16.

[0025] Both the screening chamber 9 and the screening plate 12 are inclined downwards.

[0026] A motor 17 is fixedly installed at the lower end of the support frame 1. A first pulley 18 is provided on the rotating shaft of the motor 17, and a second pulley 19 is provided on the first shaft 3. The first pulley 18 and the second pulley 19 are connected by a belt 20. When the motor 17 is working, the motor 17 drives the first pulley 18 to rotate, and the second pulley 19, which is connected to the first pulley 18 by the belt 20, begins to rotate. Driven by the second pulley 19, the first shaft 3 can rotate automatically.

[0027] Specifically, in this utility model, when the motor 17 is working, it drives the first pulley 18 to rotate. The second pulley 19, which is connected to the first pulley 18 via the belt 20, begins to rotate. Driven by the second pulley 19, the first shaft 3 also rotates. When the first shaft 3 rotates, it drives the first gear 5 to rotate. The second gear 6, which meshes with the first gear 5, begins to rotate under the drive of the first gear 5. When the first gear 5 rotates, the second shaft 4 and the crushing roller shaft 7 also rotate. The first shaft 3 and the second shaft 4 rotate in opposite directions. Thus, through the mutual cooperation between the two crushing roller shafts 7, the crushing head 8 can crush the biomass fuel raw materials. When the vibrating motor 13 is working, it drives the screening chamber 9 to vibrate. Through the transmission of the screening chamber 9, the screening plate 12 also vibrates. Through the vibration of the screening plate 12, the screening chamber 9 can screen the crushed biomass fuel, thereby completing the purpose of removing dust and other impurities from the biomass fuel raw materials.

[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A raw material impurity removal device for biomass fuel production, comprising a support frame (1), characterized in that, The support frame (1) has a feeding trough (2) on one side of its upper end. A first shaft (3) is provided on the lower end of one side of the feeding trough (2). A second shaft (4) is inserted into one side of the first shaft (3). A first gear (5) is provided on the side of the first shaft (3) outside the feeding trough (2). A second gear (6) meshing with the first gear (5) is provided on the second shaft (4). A crushing roller shaft (7) is provided at one end of the first shaft (3) and the second shaft (4) inside the feeding trough (2). A crushing blade (8) is provided on the crushing roller shaft (7). A screening chamber (9) is provided inside the support frame (1). Four mounting seats (10) are arranged in a matrix at the upper end of the screening chamber (9). The mounting seats (10) are fixedly connected to the support frame (1) above by springs (11). A screening plate (12) is provided at the upper end of the screening chamber (9). A vibration motor (13) is provided below the screening chamber (9).

2. The raw material impurity removal device for biomass fuel production according to claim 1, characterized in that, The screening chamber (9) is located below the screening plate (12) and has a first discharge port (14).

3. The raw material impurity removal device for biomass fuel production according to claim 1, characterized in that, The screening chamber (9) is located above the screening plate (12) and has a second discharge port (15).

4. The raw material impurity removal device for biomass fuel production according to claim 1, characterized in that, The screening chamber (9) has a feed inlet (16) at the upper end that matches the feed trough (2).

5. The raw material impurity removal device for biomass fuel production according to claim 1, characterized in that, Both the screening chamber (9) and the screening plate (12) are inclined downwards.

6. The raw material impurity removal device for biomass fuel production according to claim 1, characterized in that, A motor (17) is fixedly installed at the lower end of the support frame (1). A first pulley (18) is provided on the rotating shaft of the motor (17), and a second pulley (19) is provided on the first shaft (3). The first pulley (18) and the second pulley (19) are connected by a belt (20).

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