CN213873600U

CN213873600U - Biomass fuel drying device

Info

Publication number: CN213873600U
Application number: CN202023179986.3U
Authority: CN
Inventors: 余红强
Original assignee: Sichuan Demao Construction Project Management Co ltd
Current assignee: Sichuan Demao Construction Project Management Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-08-03
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a biomass fuel drying device, including screening case, delivery box and drying cylinder, the top fixed welding of delivery box has the screening case, the side fixed mounting that the delivery box kept away from the screening case has the drying cylinder, the flood dragon conveyer is installed to the inner chamber of delivery box, the inner chamber of screening case is provided with the screening structure, the inner chamber of drying cylinder is provided with the drying structure; the drying structure includes air-blower, electric heat silk screen, exhaust fan and roller bearing, the bottom mounting welding of a stoving section of thick bamboo has the mounting bracket of U style of calligraphy, the top fixed mounting of mounting bracket has the air-blower, the bottom of a stoving section of thick bamboo set up with the air outlet assorted ventilation passageway of air-blower, the fan housing is installed to the air-out end intercommunication of air-blower, and the top fixed mounting of ventilation passageway has the electric heat silk screen. This biomass fuel drying device can not only make raw materials thermally equivalent, and can carry out screening process to the raw materials before drying.

Description

Biomass fuel drying device

Technical Field

The utility model belongs to the technical field of biomass fuel, concretely relates to biomass fuel drying device.

Background

Biomass fuel: the biomass fuel is prepared by burning biomass materials as fuel, mainly agricultural and forestry wastes (such as straw, sawdust, bagasse, rice chaff and the like) generally, and is mainly different from fossil fuel. In the current national policy and environmental protection standard, the direct combustion biomass belongs to a high-pollution fuel, is only used in a rural large stove and is not allowed to be used in a city. The application of biomass fuel, which is actually mainly biomass briquette fuel, is a novel clean fuel which is prepared by taking agricultural and forestry wastes as raw materials and preparing the raw materials into various briquettes, granules and the like through the processes of crushing, mixing, extruding, drying and the like and can be directly combusted. The drying is an important step in the production and processing of biomass fuel, and the drying device used in the current market has the problem of uneven drying.

Therefore, in order to meet the current situation, the design and production of a biomass fuel drying device are urgently needed to meet the requirement of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biomass fuel drying device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a biomass fuel drying device comprises a screening box, a conveying box and a drying cylinder, wherein the screening box is fixedly welded at the top end of the conveying box, the drying cylinder is fixedly installed on the side surface, away from the screening box, of the conveying box, a flood dragon conveyor is installed in an inner cavity of the conveying box, a screening structure is arranged in the inner cavity of the screening box, and a drying structure is arranged in the inner cavity of the drying cylinder;

the drying structure comprises an air blower, an electric heating wire net, an exhaust fan and a rolling shaft, wherein a U-shaped mounting rack is fixedly welded at the bottom end of a drying cylinder, the top end of the mounting rack is fixedly provided with the air blower, the bottom end of the drying cylinder is provided with a ventilation channel matched with an air outlet of the air blower, an air outlet end of the air blower is communicated with and provided with an air diffuser, the electric heating wire net is fixedly installed above the ventilation channel, a partition plate is fixedly installed above the electric heating wire net, the top end of the drying cylinder is communicated with and provided with a ventilation pipe, the exhaust fan is fixedly installed on the inner wall of the ventilation pipe through screws, a stirring motor is fixedly welded on the side surface of the drying cylinder, an output shaft of the stirring motor penetrates through a through hole of the drying cylinder and is fixedly welded with the rolling shaft, and a plurality of stirring shafts which are arranged at equal intervals are fixedly welded on the side surface of the rolling shaft;

the screening structure includes screening board and vibrating motor, the inner wall of screening case has the screening board through bolt fixed mounting, the bottom of screening board is provided with two backup pads, the top fixed mounting of backup pad has vibrating motor, vibrating motor's top and the bottom contact of screening board.

Preferably, the feeder hopper is installed in the top intercommunication of screening case, the closure plate is installed through the hinge to the side of screening case, the closure plate passes through hasp and screening case fixed connection.

Preferably, the bottom end of the screening box is provided with a feeding channel communicated with the conveying box, the side surface of the drying cylinder is provided with a feeding hole communicated with the conveying box, and the feeding hole is provided with an electromagnetic valve.

Preferably, the bottom end of the drying cylinder is communicated with and provided with a discharge pipe with an electromagnetic valve, and the partition plate is uniformly provided with vent holes.

Preferably, the bottom ends of the conveying box and the drying cylinder are fixedly provided with supporting legs, and rubber base plates are fixedly bonded to the bottom ends of the supporting legs.

The utility model discloses a technological effect and advantage: according to the biomass fuel drying device, the screening structure can screen the raw materials before the drying operation is carried out on the raw materials, so that the quality of a final product is improved, and the subsequent drying treatment is facilitated; the blower is matched with the electric heating wire mesh for use to dry the raw materials by hot air, and the stirring shaft rotates to stir the raw materials while drying, so that the raw materials can be uniformly heated, and the overall drying efficiency can be improved; due to the arrangement of the blocking plate, the screened impurities can be conveniently discharged; the air expanding cover can uniformly diffuse the air generated by the air blower to the electric heating wire mesh, and can assist the raw materials to be uniformly heated; this biomass fuel drying device can not only make raw materials thermally equivalent, and can carry out screening process to the raw materials before drying.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the drying cylinder of the present invention;

fig. 3 is a cross-sectional view of the screening box of the present invention;

fig. 4 is a schematic structural diagram of the screening structure of the present invention.

In the figure: 1 screening case, 2 transport case, 3 stoving section of thick bamboo, 4 flood dragon conveyer, 5 screening structures, 6 drying structures, 7 air-blowers, 8 electric heat silk screen, 9 exhaust fans, 10 roller bearings, 11 mounting brackets, 12 baffles, 13 ventilation pipes, 14 agitator motor, 15 screening plates, 16 vibrating motor, 17 backup pads, 18 feeder hoppers, 19 closure plates, 20 row's of material pipe, 21 supporting legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a biomass fuel drying device as shown in figures 1-4, which comprises a screening box 1, a conveying box 2 and a drying cylinder 3, wherein the screening box 1 is fixedly welded at the top end of the conveying box 2, the drying cylinder 3 is fixedly installed at the side of the conveying box 2 far away from the screening box 1, a flood dragon conveyor 4 is installed in the inner cavity of the conveying box 2, a screening structure 5 is arranged in the inner cavity of the screening box 1, and a drying structure 6 is arranged in the inner cavity of the drying cylinder 3;

the drying structure 6 comprises an air blower 7, an electric heating wire mesh 8, an exhaust fan 9 and a roller 10, the bottom of the drying cylinder 3 is fixedly welded with a mounting rack 11 in a U shape, the top end of the mounting rack 11 is fixedly provided with the air blower 7, the bottom end of the drying cylinder 3 is provided with a ventilation channel matched with an air outlet of the air blower 7, an air outlet end of the air blower 7 is communicated with and provided with an air diffuser, the air diffuser is positioned below the electric heating wire mesh 8, the electric heating wire mesh 8 is fixedly arranged above the ventilation channel, a partition plate 12 is fixedly arranged above the electric heating wire mesh 8, the top end of the drying cylinder 3 is communicated with and provided with a ventilation pipe 13, the exhaust fan 9 is fixedly arranged on the inner wall of the ventilation pipe 13 through screws, a filter screen and a dust screen are embedded in the inner wall of the ventilation pipe 13, the dust screen is positioned above the filter screen, and the exhaust fan 9 is positioned between the filter screen and the dust screen, a stirring motor 14 is fixedly welded on the side surface of the drying cylinder 3, an output shaft of the stirring motor 14 penetrates through a through hole of the drying cylinder 3 and is fixedly welded with a rolling shaft 10, a bearing is embedded in the through hole of the drying cylinder 3, the output shaft of the motor is rotatably connected with the drying cylinder 3 through the bearing, and a plurality of stirring shafts which are arranged at equal intervals are fixedly welded on the side surface of the rolling shaft 10;

screening structure 5 is including screening board 15 and vibrating motor 16, there is screening board 15 screening box 1's inner wall through bolt fixed mounting, the bottom of screening board 15 is provided with two backup pads 17, the top fixed mounting of backup pad 17 has vibrating motor 16, vibrating motor 16's top and screening board 15's bottom contact.

Specifically, feeder hopper 18 is installed in the top intercommunication of screening case 1, and the lid that opens and shuts is installed on feeder hopper 18 top, closure plate 19 is installed through the hinge in the side of screening case 1, closure plate 19 passes through hasp and 1 fixed connection of screening case, the horizontal logical groove with closure plate 19 assorted is seted up to the side of screening case 1, leads to that fixed the bonding of inslot wall department has the protection film.

Specifically, the bottom end of the screening box 1 is provided with a feeding channel communicated with the conveying box 2, the side surface of the drying cylinder 3 is provided with a feeding hole communicated with the conveying box 2, and the feeding hole is provided with an electromagnetic valve.

Specifically, the bottom end of the drying cylinder 3 is communicated with and provided with a discharge pipe 20 with an electromagnetic valve, and the partition plate 12 is uniformly provided with vent holes.

Specifically, the bottom ends of the conveying box 2 and the drying cylinder 3 are fixedly provided with supporting legs 21, and the bottom ends of the supporting legs 21 are fixedly bonded with rubber base plates.

The working principle of the biomass fuel drying device is that raw materials are poured into a screening box 1 from a feed hopper 18, then a vibration motor 16 is started to enable a screening plate 15 to vibrate and screen the raw materials, sundries mixed in the raw materials are retained at the top end of the screening plate 15, qualified raw materials fall into a conveying box 2 through screening holes of the screening plate 15, then a dragon conveyor 4 is started to convey the screened raw materials into a drying cylinder 3, an electromagnetic valve at a feed inlet is closed after the raw materials completely enter the drying cylinder 3, an air blower 7 is started, an electric heating wire mesh 8 and a stirring motor 14 are started, air generated by the air blower 7 is heated through the electric heating wire mesh 8 and then dries the raw materials in the drying cylinder 3, meanwhile, the stirring motor 14 drives a rolling shaft 10 to rotate, so that a stirring shaft is used for stirring and mixing the raw materials, auxiliary drying is realized, an exhaust fan 9 is opened during drying, gas in the drying cylinder 3 is convenient to exhaust, and the raw materials can be prevented from being exhausted from a ventilation pipe 13 by a filter screen, and after drying, stopping the air blower 7, the electric heating wire mesh 8, the stirring motor 14 and the exhaust fan 9, and collecting the dried raw materials from the discharge pipe 20.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a biomass fuel drying device, includes screening case (1), delivery box (2) and a stoving section of thick bamboo (3), its characterized in that: the top end of the conveying box (2) is fixedly welded with a screening box (1), a drying cylinder (3) is fixedly installed on the side face, far away from the screening box (1), of the conveying box (2), a flood dragon conveyor (4) is installed in the inner cavity of the conveying box (2), a screening structure (5) is arranged in the inner cavity of the screening box (1), and a drying structure (6) is arranged in the inner cavity of the drying cylinder (3);

the drying structure (6) comprises an air blower (7), an electric heating wire net (8), an exhaust fan (9) and a roller (10), the bottom of the drying cylinder (3) is fixedly welded with a mounting rack (11) in a U shape, the top of the mounting rack (11) is fixedly provided with the air blower (7), the bottom of the drying cylinder (3) is provided with a ventilation channel matched with an air outlet of the air blower (7), an air outlet end of the air blower (7) is communicated with an air expanding cover, the upper side of the ventilation channel is fixedly provided with the electric heating wire net (8), a partition plate (12) is fixedly arranged above the electric heating wire net (8), the top of the drying cylinder (3) is communicated with an air pipe (13), the inner wall of the air pipe (13) is fixedly provided with the exhaust fan (9) through screws, and the side of the drying cylinder (3) is fixedly welded with a stirring motor (14), an output shaft of the stirring motor (14) penetrates through a through hole of the drying cylinder (3) to be fixedly welded with the rolling shaft (10), and a plurality of stirring shafts which are arranged at equal intervals are fixedly welded on the side surface of the rolling shaft (10);

screening structure (5) are including screening board (15) and vibrating motor (16), the inner wall of screening case (1) has screening board (15) through bolt fixed mounting, the bottom of screening board (15) is provided with two backup pads (17), the top fixed mounting of backup pad (17) has vibrating motor (16), the top of vibrating motor (16) and the bottom contact of screening board (15).

2. The biomass fuel drying device according to claim 1, wherein: the top intercommunication of screening case (1) is installed feeder hopper (18), closure plate (19) are installed through the hinge to the side of screening case (1), closure plate (19) pass through hasp and screening case (1) fixed connection.

3. The biomass fuel drying device according to claim 1, wherein: the bottom of the screening box (1) is provided with a feeding channel communicated with the conveying box (2), the side surface of the drying cylinder (3) is provided with a feeding hole communicated with the conveying box (2), and the feeding hole is provided with an electromagnetic valve.

4. The biomass fuel drying device according to claim 1, wherein: the bottom end of the drying cylinder (3) is communicated with a discharge pipe (20) with an electromagnetic valve, and the partition plate (12) is uniformly provided with vent holes.

5. The biomass fuel drying device according to claim 1, wherein: the bottom end of the conveying box (2) and the bottom end of the drying cylinder (3) are fixedly provided with supporting legs (21), and rubber base plates are fixedly bonded to the bottom ends of the supporting legs (21).