Biomass particle processing and screening device

Abstract

The utility model discloses a biomass particle processing and screening device, relates to the technical field of biomass fuel, and aims to solve the problems that biomass particles gathered on a secondary screening plate cannot be discharged in time, so that the secondary screening plate cannot screen the biomass fuel particles in time, the screening efficiency is low, and the screening cost is low in the background technology. In order to solve the problems that in the prior art, dust in biomass fuel particles is not cleaned, dust is prone to drifting in outside air, and the environmental protection property is poor, according to the scheme, the device comprises a screening mechanism, and the screening mechanism comprises a screening frame, a first screening block fixedly arranged on the inner wall of the upper portion of the screening frame and a second screening block fixedly arranged on the inner wall of the middle of the screening frame. According to the biomass fuel particle screening device, biomass fuel particles can be fully screened and discharged in time, the screening efficiency is improved, dust can be treated and collected when the biomass fuel particles are fed, the dust is prevented from drifting away in the external environment, and the environmental protection property is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of biomass fuel, especially relates to a biomass particle processing and screening device. BACKGROUND

[0002] Biomass fuel refers to burning biomass material as fuel, which is mainly agricultural and forestry waste, and is a new type of clean fuel that can be directly combusted by using agricultural and forestry waste as raw material and through processes such as crushing, mixing, extruding and drying.

[0003] After searching, the Chinese patent (application number "202221776771.6") discloses "a biomass fuel particle processing and screening device", the above-mentioned device includes a screening box, the bottom of the inner top plate of the screening box is connected with a vertical plate through a vibration assembly, the bottom of the vertical plate is fixedly connected with a primary screening plate, the top of the primary screening plate is provided with a screening filter plate, a secondary screening plate is movably arranged between the inner walls of the screening box, a screening discharge assembly is arranged below the secondary screening plate, the vibration assembly includes a fixed rod, a limiting plate, a spring and a vibration motor, the screening discharge assembly includes a first discharge plate, a second discharge plate, an inclined plate, a first discharge table and a second discharge table, but the above-mentioned device has the following problems during use:

[0004] 1. The secondary screening plate needs to be flipped along the axis of the power shaft periodically and frequently during screening, which causes the biomass fuel particles accumulated on the secondary screening plate to be unable to be discharged in time, and the secondary screening plate is unable to screen the biomass fuel particles in time, resulting in low screening efficiency;

[0005] 2. The dust in the biomass fuel particles is not cleaned during feeding, which causes the dust to easily drift in the external air, and the environmental protection performance is poor. UTILITY MODEL CONTENTS

[0006] The utility model provides a biomass particle processing and screening device, solves the problem that the screening device of the comparative document accumulates on the secondary screening plate and is unable to be discharged in time, the secondary screening plate is unable to screen the biomass fuel particles in time, the screening efficiency is low, the dust in the biomass fuel particles is not cleaned, the dust easily drifts in the external air, and the environmental protection performance is poor.

[0007] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] The utility model provides a kind of biomass particle processing screening device, including screening mechanism, the screening mechanism includes screening frame, first screening block and second screening block being fixed on the upper inner wall of screening frame, first screening block is equipped with first discharge assembly on, and first discharge assembly includes first output pipe, first auger abutting on the inner wall of the bottom of first screening block and first driven gear being fixed on the outer wall of one end of first auger, second screening block is equipped with second discharge assembly on, and second discharge assembly includes second output pipe, second auger abutting on the inner wall of the bottom of second screening block and second driven gear being fixed on the outer wall of one end of second auger, the side of screening frame away from first output pipe is equipped with transmission assembly, and transmission assembly includes transmission motor and driving gear being fixed on the outer wall of one end of transmission motor output shaft, screening frame is equipped with feeding assembly on, and feeding assembly includes conveying pipe, feeding hopper being opened with installation port on the inner wall of both sides, two filter screens being respectively embedded in two installation ports, feeding motor being connected by bolt on the outer wall of one side of conveying pipe and conveying auger being connected by shaft coupling on the outer wall of one end of feeding motor output shaft, dust removal assembly is equipped above screening frame, and dust removal assembly includes mounting frame being fixed on the outer wall of one side of feeding hopper, a plurality of dust removal fan being connected by bolt on the outer wall of one side of mounting frame, dust collection cover being fixed on the outer wall of one side of feeding hopper, mounting cylinder being connected by bolt on the outer wall of one side of conveying pipe, cylinder cover being connected by bolt on the outer wall of top of mounting cylinder and dust collection box being connected by bolt on the outer wall of bottom of cylinder cover.

[0009] Preferably, the inner wall of the bottom of the screening frame is provided with a discharge port, the outer wall of one side of the screening frame is connected by a bolt with a first side plate, and the outer wall of one side of the screening frame is connected by a bolt with a second side plate.

[0010] Preferably, the first output pipe is fixed on the outer wall of the upper side of the first side plate, one end of the first auger penetrates through and is connected by a bearing to the outer wall of one side of the second side plate, the first fixed block is fixed on the inner wall of one end of the first output pipe, and one end of the first auger penetrates through and is connected by a bearing to the outer wall of one side of the first fixed block.

[0011] Preferably, the second output pipe is fixed on the outer wall of the upper side of the first side plate, one end of the second auger penetrates through and is connected by a bearing to the outer wall of one side of the second side plate, the second fixed block is fixed on the inner wall of one end of the second output pipe, and one end of the second auger penetrates through and is connected by a bearing to the outer wall of one side of the second fixed block.

[0012] Preferably, the outer wall of one side of the second side plate is fixed with a mounting bracket, and the transmission motor is connected by a bolt to the outer wall of one side of the mounting bracket, and the driving gear is engaged with the first driven gear and the second driven gear to form a transmission cooperation.

[0013] In the above scheme, the biomass fuel pellets first come into contact with the first screening block, the output shaft of the drive motor rotates and the drive gear rotates, the drive gear drives the first driven gear and the second driven gear to rotate, the first driven gear drives the first auger to transport the biomass fuel pellets, and the biomass fuel pellets are screened during the transport process, the screened biomass fuel pellets come into contact with the second screening block, the second auger transports the biomass fuel pellets, and at the same time the biomass fuel pellets are screened again, the first auger and the second auger rotate in opposite directions to fully screen the biomass fuel pellets.

[0014] Preferably, the feed hopper is fixed on the inner wall of the top of the conveying pipe, one end of the conveying auger is connected to the inner wall of one side of the conveying pipe through a bearing, and a discharge frame is fixed on the inner wall of the bottom of the conveying pipe, and the discharge frame is fixed on the inner wall of the top of the screening frame.

[0015] Preferably, a dust conveying pipe is fixed on one side of the inner wall of the dust collection hood, and the bottom end of the dust conveying pipe is fixed on the bottom outer wall of the cylinder cover. Air outlet holes are evenly distributed on the lower inner wall of one side of the mounting cylinder.

[0016] The above method involves conveying biomass fuel pellets into a feed hopper via a conveyor belt, followed by a dust removal fan blowing dust from the biomass fuel pellets onto a filter screen. The filter screen separates the biomass fuel pellets from the dust, and the dust removal fan then transports the dust to a dust collection box for collection.

[0017] The beneficial effects of this utility model are as follows:

[0018] 1. The biomass fuel pellets first come into contact with the first screening block. The output shaft of the drive motor rotates, and the drive gear rotates. The drive gear drives the first driven gear and the second driven gear to rotate. The first driven gear drives the first auger to transport the biomass fuel pellets. During the transport process, the biomass fuel pellets are screened. The screened biomass fuel pellets come into contact with the second screening block. The second auger transports the biomass fuel pellets and screens them again. The first and second augers rotate in opposite directions to fully screen the biomass fuel pellets. This process ensures that the biomass fuel pellets are fully screened and discharged in a timely manner, thus improving the screening efficiency.

[0019] 2. The conveyor belt transports biomass fuel pellets into the feed hopper. Then, the dust removal fan blows the dust in the biomass fuel pellets onto one of the filter screens. The filter screen separates the biomass fuel pellets from the dust. The dust removal fan then transports the dust to the dust collection box, where the dust collection box collects the dust. This process can handle and collect dust during the feeding of biomass fuel pellets, preventing dust from drifting into the external environment and improving environmental friendliness.

[0020] In conclusion, the biomass fuel particles can be fully screened, and the biomass fuel particles can be discharged in time, the screening efficiency is improved, dust can be treated and collected when the biomass fuel particles are fed, dust is prevented from floating in the external environment, and environmental protection is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The utility model provides a kind of overall main view structural schematic diagram of biomass particle processing screening device.

[0022] Figure 2 The utility model provides a kind of screening mechanism main view sectional structure schematic diagram of biomass particle processing screening device.

[0023] Figure 3 The utility model provides a kind of first discharge assembly main view sectional structure schematic diagram of biomass particle processing screening device.

[0024] Figure 4 The utility model provides a kind of second discharge assembly main view sectional structure schematic diagram of biomass particle processing screening device.

[0025] Figure 5 The utility model provides a kind of transmission assembly main view sectional structure schematic diagram of biomass particle processing screening device.

[0026] Figure 6 The utility model provides a kind of feeding assembly main view sectional structure schematic diagram of biomass particle processing screening device.

[0027] Figure 7 The utility model provides a kind of dust removal assembly main view sectional structure schematic diagram of biomass particle processing screening device.

[0028] In the drawing: 1, screening mechanism;101, screening frame;102, first side plate;103, second side plate;104, first screening block;105, second screening block;2, first discharge assembly;201, first output pipe;202, first auger;203, first driven gear;204, first fixed block;3, second discharge assembly;301, second output pipe;302, second auger;303, second driven gear;304, second fixed block;4, transmission assembly;401, mounting frame;402, transmission motor;403, driving gear;5, feeding assembly;501, conveying pipe;502, feed hopper;503, filter screen;504, feeding motor;505, conveying auger;506, discharge frame;6, dust removal assembly;601, mounting frame;602, dust removal fan;603, dust collecting hood;604, dust conveying pipe;605, mounting cylinder;606, cylinder cover;607, dust collecting box. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0030] Embodiment 1, refer to Figures 1-5 A biomass particle processing and screening device, comprising a screening mechanism 1, the screening mechanism 1 comprises a screening frame 101, a first screening block 104 fixedly arranged on the inner wall of the upper part of the screening frame 101 and a second screening block 105 fixedly arranged on the inner wall of the middle part of the screening frame 101, a discharge port is formed in the inner wall of the bottom of the screening frame 101, a first side plate 102 is connected to the outer wall of one side of the screening frame 101 through bolts, a second side plate 103 is connected to the outer wall of one side of the screening frame 101 through bolts, a first discharge assembly 2 is arranged on the first screening block 104, the first discharge assembly 2 comprises a first output pipe 201, a first auger 202 abutting against the inner wall of the bottom of the first screening block 104 and a first driven gear 203 fixedly arranged on the outer wall of one end of the first auger 202, the first output pipe 201 is fixedly arranged on the outer wall of the upper part of one side of the first side plate 102, one end of the first auger 202 penetrates through the outer wall of one side of the second side plate 103 and is connected to the outer wall of one side of the second side plate 103 through a bearing, a first fixed block 204 is fixedly arranged on the inner wall of one end of the first output pipe 201, one end of the first auger 202 penetrates through the outer wall of one side of the first fixed block 204 and is connected to the outer wall of one side of the first fixed block 204 through a bearing, a second discharge assembly 3 is arranged on the second screening block 105, the second discharge assembly 3 comprises a second output pipe 301, a second auger 302 abutting against the inner wall of the bottom of the second screening block 105 and a second driven gear 303 fixedly arranged on the outer wall of one end of the second auger 302, the second output pipe 301 is fixedly arranged on the outer wall of the upper part of one side of the first side plate 102, one end of the second auger 302 penetrates through the outer wall of one side of the second side plate 103 and is connected to the outer wall of one side of the second side plate 103 through a bearing, a second fixed block 304 is fixedly arranged on the inner wall of one end of the second output pipe 301, one end of the second auger 302 penetrates through the outer wall of one side of the second fixed block 304 and is connected to the outer wall of one side of the second fixed block 304 through a bearing, a transmission assembly 4 is arranged on the side of the screening frame 101 away from the first output pipe 201, the transmission assembly 4 comprises a transmission motor 402 and a driving gear 403 fixedly arranged on the outer wall of one end of the output shaft of the transmission motor 402, a mounting bracket 401 is fixedly arranged on the outer wall of one side of the second side plate 103, the transmission motor 402 is connected to the outer wall of one side of the mounting bracket 401 through bolts, the transmission motor 402 is a servo motor and can be reversely rotated, thereby driving the first auger 202 and the second auger 302 to be reversely rotated, the driving gear 403 is in meshing transmission with the first driven gear 203 and the second driven gear 303 respectively.

[0031] Embodiment 2, refer to Figures 6-7The biomass particle processing and screening device further comprises a feeding assembly 5, the feeding assembly 5 comprises a conveying pipe 501, a feeding hopper 502 with installation openings formed in inner walls of two sides, two filter screens 503 respectively embedded in the two installation openings, a feeding motor 504 connected to one side of the conveying pipe 501 through bolts and a conveying auger 505 connected to one end of an output shaft of the feeding motor 504 through a coupling, the feeding hopper 502 is fixedly arranged on the inner wall of the top of the conveying pipe 501, one end of the conveying auger 505 is connected to one side of the inner wall of the conveying pipe 501 through a bearing, a discharging frame 506 is fixedly arranged on the inner wall of the bottom of the conveying pipe 501, the discharging frame 506 is fixedly arranged on the inner wall of the top of the screening frame 101, a dust removal assembly 6 is arranged above the screening frame 101, the dust removal assembly 6 comprises a mounting frame 601 fixedly arranged on one side of the outer wall of the feeding hopper 502, a plurality of dust removal fans 602 connected to one side of the outer wall of the mounting frame 601 through bolts, a dust collecting cover 603 fixedly arranged on one side of the outer wall of the feeding hopper 502, a mounting cylinder 605 connected to one side of the outer wall of the conveying pipe 501 through bolts, a cylinder cover 606 connected to the top of the outer wall of the mounting cylinder 605 through bolts and a dust collecting box 607 connected to the bottom of the outer wall of the cylinder cover 606 through bolts, a dust conveying pipe 604 is fixedly arranged on one side of the inner wall of the dust collecting cover 603, the bottom end of the dust conveying pipe 604 is fixedly arranged on the bottom of the outer wall of the cylinder cover 606, a plurality of air outlet holes are formed in the lower part of one side of the mounting cylinder 605 at equal distances.

[0032] Working principle: the conveying belt conveys the biomass fuel particles into the feeding hopper 502, then the dust removal fan 602 operates to blow the dust in the biomass fuel particles onto one of the filter screens 503, the filter screen 503 separates the biomass fuel particles from the dust, the dust removal fan 602 conveys the dust into the dust collecting box 607, the dust collecting box 607 collects the dust, then the biomass fuel particles first contact the first screening block 104, the output shaft of the transmission motor 402 rotates the driving gear 403, the driving gear 403 drives the first driven gear 203 and the second driven gear 303 to rotate, the first driven gear 203 drives the first auger 202 to convey the biomass fuel particles, the biomass fuel particles are screened during the conveying process, the screened biomass fuel particles contact the second screening block 105, the second auger 302 conveys the biomass fuel particles and screens the biomass fuel particles again, the first auger 202 and the second auger 302 reciprocate in forward and reverse directions to sufficiently screen the biomass fuel particles.

[0033] The above merely describes a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A biomass particle processing and sizing apparatus comprising a sizing mechanism (1), characterised in that, The screening mechanism (1) comprises a screening frame (101), a first screening block (104) fixed to the upper inner wall of the screening frame (101), and a second screening block (105) fixed to the middle inner wall of the screening frame (101); The first screening block (104) is provided with a first discharging assembly (2), and the first discharging assembly (2) comprises a first output pipe (201), a first auger (202) abutting against the bottom inner wall of the first screening block (104), and a first driven gear (203) fixed to one end of the outer wall of the first auger (202); The second screening block (105) is provided with a second discharging assembly (3), and the second discharging assembly (3) comprises a second output pipe (301), a second auger (302) abutting against the bottom inner wall of the second screening block (105), and a second driven gear (303) fixed to one end of the outer wall of the second auger (302); The side of the screening frame (101) away from the first output pipe (201) is provided with a transmission assembly (4), and the transmission assembly (4) comprises a transmission motor (402) and a driving gear (403) fixed to one end of the outer wall of the output shaft of the transmission motor (402); The screening frame (101) is provided with a feeding assembly (5), and the feeding assembly (5) comprises a conveying pipe (501), a feeding hopper (502) with installation openings formed in the inner walls on both sides, two filter screens (503) respectively embedded in the two installation openings, a feeding motor (504) connected to one side of the outer wall of the conveying pipe (501) through bolts, and a conveying auger (505) connected to one end of the outer wall of the output shaft of the feeding motor (504) through a shaft coupling; The upper part of the screening frame (101) is provided with a dust removal assembly (6), and the dust removal assembly (6) comprises a mounting frame (601) fixed to one side of the outer wall of the feeding hopper (502), a plurality of dust removal fans (602) connected to one side of the outer wall of the mounting frame (601) through bolts, a dust collection cover (603) fixed to one side of the outer wall of the feeding hopper (502), a mounting cylinder (605) connected to one side of the outer wall of the conveying pipe (501) through bolts, a cylinder cover (606) connected to the top outer wall of the mounting cylinder (605) through bolts, and a dust collection box (607) connected to the bottom outer wall of the cylinder cover (606) through bolts.

2. A biomass particle processing and sizing apparatus according to claim 1, wherein, A discharging opening is formed in the bottom inner wall of the screening frame (101), a first side plate (102) is connected to one side of the outer wall of the screening frame (101) through bolts, and a second side plate (103) is connected to one side of the outer wall of the screening frame (101) through bolts.

3. A biomass particle processing and sizing apparatus according to claim 2, wherein, The first output pipe (201) is fixed to one side of the upper outer wall of the first side plate (102), one end of the first auger (202) penetrates through and is connected to one side of the outer wall of the second side plate (103) through a bearing, a first fixing block (204) is fixed to one end of the inner wall of the first output pipe (201), and one end of the first auger (202) penetrates through and is connected to one side of the outer wall of the first fixing block (204) through a bearing.

4. A biomass particle processing and sizing apparatus according to claim 2, wherein, The second output pipe (301) is fixed on the upper outer wall of the first side plate (102), one end of the second auger (302) penetrates through and is connected to the outer wall of one side of the second side plate (103) through a bearing, a second fixed block (304) is fixed on the inner wall of one end of the second output pipe (301), and one end of the second auger (302) penetrates through and is connected to the outer wall of one side of the second fixed block (304) through a bearing.

5. A biomass particle processing and sizing apparatus according to claim 2, wherein, The second side plate (103) is fixed with a mounting rack (401) on the outer wall of one side, and the transmission motor (402) is connected to the outer wall of one side of the mounting rack (401) through bolts, and the driving gear (403) is respectively engaged with the first driven gear (203) and the second driven gear (303) to form a transmission fit.

6. A biomass particle processing and sizing apparatus according to claim 1, wherein, The feeding hopper (502) is fixed on the top inner wall of the conveying pipe (501), one end of the conveying auger (505) is connected to the inner wall of one side of the conveying pipe (501) through a bearing, the bottom inner wall of the conveying pipe (501) is fixed with a discharging frame (506), and the discharging frame (506) is fixed on the top inner wall of the screening frame (101).

7. A biomass particle processing and sizing apparatus according to claim 1 wherein, The dust collecting cover (603) is fixed with a dust conveying pipe (604) on the inner wall of one side, and the bottom end of the dust conveying pipe (604) is fixed on the bottom outer wall of the cylinder cover (606), and the mounting cylinder (605) is provided with air outlet holes which are distributed at equal distances on the lower inner wall of one side.

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