CN114234588B

CN114234588B - Drying device for preparing biomass particles from agricultural and forestry waste

Info

Publication number: CN114234588B
Application number: CN202111400053.9A
Authority: CN
Inventors: 洪浩; 王震坤; 田晓霞; 隋海然; 冯雨; 张志鑫; 刘菲; 孙龙
Original assignee: Jilin Hongri New Energy Co ltd
Current assignee: Jilin Hongri New Energy Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2023-02-24
Anticipated expiration: 2041-11-19
Also published as: CN114234588A

Abstract

The invention relates to the related technical field of drying devices, in particular to a drying device for preparing biomass particles from forestry and agricultural residues, which comprises a drying box, wherein a rotating shaft is arranged in the drying box, a plurality of diffusion frames are arranged on the periphery of the rotating shaft at equal intervals, a connecting ring is arranged on the inner periphery of each diffusion frame, a plurality of diffusion rollers are arranged between each diffusion frame and the connecting ring, the rotating shaft drives the diffusion rollers to rotate and simultaneously drive the biomass particles to turn over, the biomass particles are dried by matching with a drying plate, and a telescopic piece, a pressure detector, a connecting assembly, a movable sealing plate and the like are arranged to match with each other to detect the capacity of the biomass particles in one diffusion frame and timely discharge the redundant biomass particles to the next diffusion frame, so that the phenomenon of material accumulation is avoided.

Description

Drying device for preparing biomass particles from agricultural and forestry waste

Technical Field

The invention relates to the related technical field of drying devices, in particular to a drying device for preparing biomass particles from agricultural and forestry waste.

Background

The biomass granular fuel prepared by collecting the agricultural and forestry wastes is a novel clean fuel capable of being directly combusted, and has wide application prospects in production and life.

Biomass pellet fuel need dry the processing to it at the preparation in-process, and current drying device for biomass fuel adopts hot-blast drying mostly and cooperates drying box or a stoving section of thick bamboo etc. that can overturn to realize the stoving function, and the stoving in-process produces the inside material of device accumulational phenomenon easily, and leads to biomass pellet fuel to produce the damage easily at the upset in-process.

Disclosure of Invention

The invention aims to provide a drying device for preparing biomass particles from agricultural and forestry waste, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an agriculture and forestry discarded object preparation drying device for living beings granule, includes the stoving case, stoving case both ends are provided with feed inlet and discharge gate respectively, be provided with bearing and driving piece in feed inlet and the discharge gate respectively, the driving piece output links to each other with axis of rotation one end, the axis of rotation other end is connected with the bearing cooperation, the axis of rotation periphery is provided with a plurality of diffusion frames along vertical direction equidistant, the diffusion frame intussuseption is provided with the go-between, correspond position department in the axis of rotation with the diffusion frame and be provided with the adapter sleeve, the adapter sleeve outer wall passes through the connecting plate and links to each other with the go-between inner wall, circumference symmetric distribution is provided with a plurality of roller between diffusion frame inner wall and the go-between outer wall, be provided with the diffusion roller on the roller, diffusion roller external diameter is by connecting hoop diffusion frame direction crescent, diffusion frame below is provided with a plurality of pressure detection seats, and a plurality of are a plurality of on the pressure detection seat be provided with the track board jointly, the diffusion roller is close to diffusion frame one end and offsets with the track board, be provided with movable seal board in the go-between, the go-between be provided with the adapter sleeve, the flexible piece links to each other with movable seal board, the control of the intake duct connection board and the intake air inlet connection board the flexible circuit connection of the flexible board, the flexible connection board is provided with the flexible board.

As a further scheme of the invention: drying incasement wall, diffusion frame below position department are provided with the loading board, and are a plurality of pressure detection seat circumference symmetric distribution sets up on the loading board, the diffusion roller is close to diffusion frame one end and is connected with the action wheel, the action wheel is connected with the track board cooperation.

As a still further scheme of the invention: the connecting sleeve is sleeved on the rotating shaft, a fixing sleeve is fixedly connected to the position above the connecting sleeve on the rotating shaft, one end of the fixing sleeve is connected with one end of the connecting sleeve through an elastic part, and the elastic part is sleeved on the rotating shaft.

As a still further scheme of the invention: the drying plate is an annular hollow plate, the setting size of the drying plate corresponds to the length of the diffusion frame, the end face of the drying plate, close to one end of the diffusion roller, is arranged to be inclined towards the direction of the rotating shaft, and a plurality of air outlet holes are uniformly distributed at one end of the drying plate, close to the diffusion frame.

As a still further scheme of the invention: the bearing board is internally provided with a mounting plate, the telescopic piece is arranged on the mounting plate, and the movable sealing plate and the mounting plate body are both arranged into a cone shape.

As a still further scheme of the invention: the activity shrouding includes first half conical plate and second half conical plate, first half conical plate and second half conical plate are close to one end each other and all are provided with semi-cylindrical groove, semi-cylindrical groove sets up the size unanimous with adapter sleeve external diameter size.

As a still further scheme of the invention: coupling assembling includes the first body of rod and the second body of rod, the extensible member links to each other with first half conical plate through the first body of rod, second body of rod one end links to each other with half conical plate of second, and the second body of rod other end alternates with the mounting panel to be connected, links to each other through the arc connecting rod between the first body of rod and the second body of rod.

Compared with the prior art, the invention has the beneficial effects that: the device is through setting up the diffusion frame, the adapter sleeve, the go-between, the axis of rotation, cooperation such as track board and diffusion roller comes to carry out even diffusion processing to the living beings granule, can drive the diffusion roller and rotate in the axis of rotation pivoted, and then drive the living beings granule on the diffusion roller and overturn, cooperation stoving board comes to dry to the living beings granule, the better and can effectively reduce biomass fuel damaged rate of stoving effect, through setting up the extensible member, pressure detector, the capacity of living beings granule detects in a diffusion frame in cooperation such as coupling assembling and activity shrouding, when living beings granule capacity in a diffusion frame is too high, can arrange living beings granule to next diffusion frame in through removing the activity shrouding, the accumulational phenomenon of living beings granule has effectively been avoided appearing in the stoving incasement, and can realize the multistage formula stoving to the living beings granule through the cooperation of a plurality of diffusion frames, the stoving effect has further been improved.

Drawings

Fig. 1 is a schematic view of the entire internal structure in the embodiment of the present invention.

Fig. 2 is a schematic overall external structure diagram in the embodiment of the present invention.

FIG. 3 is a schematic diagram of an internal structure of a diffusion frame according to an embodiment of the present invention.

FIG. 4 is a top view of a diffusion frame in an embodiment of the invention.

Fig. 5 is a schematic view illustrating a positional relationship between the movable sealing plate and the track plate according to an embodiment of the present invention.

Fig. 6 is a schematic view of the connection relationship between the connection sleeve and the connection ring in the embodiment of the invention.

Fig. 7 is a schematic structural diagram of a movable sealing plate according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a connecting assembly according to an embodiment of the present invention.

Fig. 9 is a schematic structural view of a diffusion roll in an embodiment of the present invention.

Fig. 10 is a schematic view illustrating an operating state of the movable sealing plate according to the embodiment of the present invention.

Wherein: the device comprises a drying box-1, a feeding hole-101, a control box-102, a discharging hole-103, an installation box-104, a first connecting rod-105, a bulk cone-106, a partition plate-107, a second connecting rod-108, a bearing-109, a bearing plate-110, a third connecting rod-111, an installation plate-112, a rotating shaft-2, a driving part-201, a fixed seat-202, a fixed sleeve-203, an elastic part-204, a diffusion frame-3, a connecting sleeve-301, a connecting plate-302, a connecting ring-303, a roller shaft-304, a diffusion roller-305, a running wheel-306, a track plate-4, a pressure detection seat-5, a drying plate-6, a fourth connecting rod-601, a connecting pipe-602, an air outlet-603, a base-7, an air inlet plate-8, an air inlet pipe-801, a telescopic part-9, a telescopic part-10, a first rod body-1001, a second rod body-1002, an arc connecting rod-1003, a movable connecting rod-11, a first semi-conical plate-closing plate, a second semi-conical plate-1102, a semi-cylindrical plate-1102 groove-1103.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example one

Referring to fig. 1, 2, 3, 4, 5, and 9, a drying apparatus for preparing biomass particles from agricultural and forestry waste comprises a drying box 1 disposed on a base 7, a feeding port 101 and a discharging port 103 are respectively disposed at two ends of the drying box 1, a bulk material cone 106 is disposed at the middle of an inner cavity of the feeding port 101, an outer wall of the bulk material cone 106 is connected with an inner wall of the feeding port 101 through a plurality of partition plates 107, biomass particles fed into the feeding port 101 are diffused and guided into an inner cavity of the drying box 1 through the bulk material cone 106, an installation box 104 is connected to the discharging port 103 through a first connecting rod 105, a driving member 201 is disposed in the installation box 104, a bearing 109 is disposed in the feeding port 101 through a second connecting rod 108, a rotating shaft 2 is disposed at the center of the inner cavity of the drying box 1, an output end of the driving member 201 is connected with one end of the rotating shaft 2, and a fixing seat 202 is disposed at a connection position of the rotating shaft 2 and the installation box 104, the other end of the rotating shaft 2 is connected with the bearing 109 in a matching way, a plurality of diffusion frames 3 are arranged on the periphery of the rotating shaft 2 at equal intervals along the vertical direction, a connecting ring 303 is arranged on the inner periphery of each diffusion frame 3, a connecting sleeve 301 is arranged at a position on the rotating shaft 2 corresponding to the diffusion frame 3, the outer wall of the connecting sleeve 301 is connected with the inner wall of the connecting ring 303 through a connecting plate 302, a plurality of roll shafts 304 are arranged between the inner wall of each diffusion frame 3 and the outer wall of the connecting ring 303 in a circumferential symmetric way, a diffusion roller 305 is arranged on each roll shaft 304 and is arranged at the bottom of the inner cavity of the diffusion frame 3, the outer diameter of each diffusion roller 305 is gradually increased from the connecting ring 303 to the diffusion frame 3, a plurality of pressure detection seats 5 are arranged below the diffusion frames 3, a track plate 4 is jointly arranged on the pressure detection seats 5, and the track plate 4 is an annular plate, diffusion roller 305 is close to 3 one end of diffusion frame and offsets with track board 4, be provided with movable shrouding 11 in the go-between 303, go-between 303 below is provided with extensible member 9, extensible member 9 links to each other with movable shrouding 11 through coupling assembling 10, leaves the clearance between two adjacent diffusion rollers 305, and is a plurality of diffusion roller 305 below is provided with

drying plate

6, 1 outer wall of stoving case is provided with control box 102 and air inlet plate 8, drying plate 6 passes through connecting pipe 602 and links to each other with air inlet plate 8, be provided with intake pipe 801 on the air inlet plate 8, driving piece 201 can select electrical drive parts such as servo motor, extensible member 9 selects to be automatically controlled telescopic link, driving piece 201, pressure detection seat 5 and extensible member 9 all with control box 102 circuit connection.

Referring to fig. 1, 3 and 4, the inner wall of the drying box 1 and the lower portion of the diffusion frame 3 are provided with the bearing plate 110, the pressure detection seats 5 are circumferentially and symmetrically distributed on the bearing plate 110, one end of the diffusion roll 305 close to the diffusion frame 3 is connected with the driving wheel 306, the outer wall of the driving wheel 306 abuts against the end portion of the track plate 4, when the rotating shaft 2 drives the connection ring 303 to rotate through the connection sleeve 301 and the connection plate 302, the diffusion roll 305 is driven to perform circular motion around the rotating shaft 2, and the diffusion roll 305 and the track plate 4 cooperate to make the diffusion roll 305 rotate around the roll shaft 304, so as to turn over the biomass particles falling on the diffusion roll 305, because the diffusion roll 305 has a tapered roll body, the biomass particles can maintain a relatively stable position on the diffusion roll 305 and cannot be collected towards the rotating shaft 2 by adjusting the rotating speed of the rotating shaft 2 and utilizing the centrifugal force generated by the biomass particles when the biomass particles move along with the diffusion roll 305.

Further, referring to fig. 3, the connecting sleeve 301 is sleeved on the rotating shaft 2, the fixing sleeve 203 is fixedly connected to the rotating shaft 2 and above the connecting sleeve 301, one end of the fixing sleeve 203 is connected to one end of the connecting sleeve 301 through the elastic member 204, the elastic member 204 is sleeved on the rotating shaft 2, the elastic member 204 can be selected from a spring or an elastic wire ring, and the like, and the moving wheel 306 is indirectly driven to be extruded and attached to the track plate 4 through the elastic action of the elastic member 204, so as to better drive the diffusion roller 305 to rotate.

Example two

Referring to fig. 1 and 3, on the basis of the first embodiment, the drying plate 6 is an annular hollow plate, the drying plate 6 is disposed in the drying box 1 through a fourth connecting rod 601, the setting size of the drying plate 6 corresponds to the length of the diffusion frame 3, the end surface of one end of the drying plate 6 close to the diffusion roll 305 is disposed to be inclined toward the rotation axis 2, a plurality of air outlets 603 are uniformly distributed at one end of the drying plate 6 close to the diffusion frame 3, the air inlet 801 is connected to a hot air conveying device outside the drying box 1, hot air enters the air inlet plate 8, enters the inner cavity of the drying plate 6 through the connecting pipe 602, is blown out upwards through the air outlets 603, and passes through the gap between adjacent diffusion rolls 305 to perform drying treatment on biomass particles.

Referring to fig. 3 and 5, the inner periphery of the bearing plate 110 is provided with a mounting plate 112 through a third connecting rod 111, the telescopic member 9 is disposed on the mounting plate 112, and the movable sealing plate 11 and the mounting plate 112 are both tapered, so as to prevent biomass particles from collecting on the movable sealing plate 11 or the mounting plate 112.

EXAMPLE III

Referring to fig. 5, 6 and 7, on the basis of the first embodiment, the movable sealing plate 11 includes a first half conical plate 1101 and a second half conical plate 1102, one end of the first half conical plate 1101 and one end of the second half conical plate 1102 close to each other are both provided with a semi-cylindrical groove 1103, the setting size of the semi-cylindrical groove 1103 is consistent with the size of the outer diameter of the connecting sleeve 301, the connecting plate 302 is arranged in an inclined manner, the gap distance between the first half conical plate 1101 and the second half conical plate 1102 is consistent with the thickness of the connecting plate 302, the telescopic piece 9 drives the movable sealing plate 11 to move upwards to the position with the same height as the connecting plate 302, and then biomass particles falling on the movable sealing plate 11 can slide down to the diffusion roll 305.

Referring to fig. 8 and 10, the connecting assembly 10 includes a first rod 1001 and a second rod 1002, the telescopic member 9 is connected to the first half-cone 1101 through the first rod 1001, one end of the second rod 1002 is connected to the second half-cone 1102, the other end of the second rod 1002 is connected to the mounting plate 112 in an inserting manner, the first rod 1001 is connected to the second rod 1002 through an arc connecting rod 1003, the first rod 1001 is driven by the telescopic member 9 to move, the second rod 1002 is driven by the arc connecting rod 1003 to move synchronously, when the movable sealing plate 11 is driven by the telescopic member 9 to move below the connecting ring 303, the rotating speed of the rotating shaft 2 is reduced, so that biomass particles on the diffusion roll 305 slide into the connecting ring 303, then fall onto the movable sealing plate 11, and finally fall into the next diffusion frame 3 through the movable sealing plate 11.

The working principle is as follows: when the device is used, appropriate biomass particles are added into an inner cavity of a drying box 1 through a feed port 101, the biomass particles are diffused by a bulk material cone 106 and then fall into a diffusion frame 3 located at the top, a control driving part 201 is started to drive a rotating shaft 2 to rotate, the rotating shaft 2 drives a plurality of diffusion rollers 305 to surround the rotating shaft 2 when rotating, meanwhile, the driving wheels 306 are matched with track plates 4 to drive the diffusion rollers 305 to rotate, so that the biomass particles falling on the diffusion rollers 305 are uniformly diffused and are driven to turn over, hot air conveyed into the drying plate 6 through an air inlet plate 8 and a connecting pipe 602 is blown out upwards through air outlets 603, then the hot air is blown into the diffusion frame 3 through a gap between two adjacent diffusion rollers 305, so that the biomass particles are dried, when too many biomass particles accumulate in one diffusion frame 3, the pressure borne by the track plates 4 is detected through a pressure detection seat 5, when the detected pressure value reaches or is greater than a preset threshold value of a pressure detection seat 5, the control expansion part 9 is started and matched with a connecting component 10 to drive a movable rotating shaft 11 to move downwards, meanwhile, the rotating speed of the drying plate 4 is controlled to be capable of continuously collecting the biomass particles through the discharge port 101, and the biomass particles after the biomass particles are continuously discharged from the drying box 1.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A drying device for preparing biomass particles by agricultural and forestry wastes comprises a drying box, wherein a feed inlet and a discharge outlet are respectively arranged at two ends of the drying box, the drying device is characterized in that a bearing and a driving piece are respectively arranged in the feed inlet and the discharge outlet, the output end of the driving piece is connected with one end of a rotating shaft, the other end of the rotating shaft is matched and connected with the bearing, a plurality of diffusion frames are arranged at equal intervals along the vertical direction at the periphery of the rotating shaft, a connecting ring is arranged at the inner periphery of each diffusion frame, a connecting sleeve is arranged at the position corresponding to the diffusion frame on the rotating shaft, the outer wall of the connecting sleeve is connected with the inner wall of the connecting ring through the connecting plate, a plurality of roller shafts are symmetrically distributed between the inner wall of the diffusion frame and the outer wall of the connecting ring, a diffusion roller is arranged on each roller shaft, the outer diameter of the diffusion roller is gradually increased from the connecting ring to the direction of the diffusion frames, a plurality of pressure detection seats are jointly arranged below the diffusion frames, one end of the diffusion roller is abutted against the track plates, a movable sealing plate is arranged in the connecting ring, a telescopic piece is arranged below the connecting pipe, the outer wall of the drying box is connected with the diffusion plates, and the drying box through a connecting pipe, and a hollow inclined plate, the diffusion control device is arranged on the drying plate, and the drying box, the board that dries is close to diffusion frame one end equipartition and has a plurality of ventholes, position department is provided with the loading board below stoving incasement wall, the diffusion frame, the loading board is enclosed and is provided with the mounting panel, activity shrouding includes first half conical plate and second half conical plate, first half conical plate and second half conical plate are close to one end each other and all are provided with half cylindrical groove, half cylindrical groove sets up the size unanimous with adapter sleeve external diameter size, coupling assembling includes the first body of rod and the second body of rod, the extensible member links to each other with first half conical plate through the first body of rod, second body of rod one end links to each other with second half conical plate, and the second body of rod other end alternates with the mounting panel and is connected, links to each other through the arc connecting rod between the first body of rod and the second body of rod.

2. The drying device for preparing the biomass particles by the agricultural and forestry waste according to claim 1, wherein the pressure detection seats are circumferentially and symmetrically arranged on the bearing plate, one end of the diffusion roller, which is close to the diffusion frame, is connected with a driving wheel, and the driving wheel is connected with the track plate in a matching manner.

3. The drying device for preparing biomass particles from agricultural and forestry waste as claimed in claim 2, wherein the connecting sleeve is sleeved on the rotating shaft, a fixing sleeve is fixedly connected to the rotating shaft at a position above the connecting sleeve, one end of the fixing sleeve is connected with one end of the connecting sleeve through an elastic member, and the elastic member is sleeved on the rotating shaft.

4. The drying device for preparing the biomass particles by the agricultural and forestry waste as claimed in claim 2, wherein the telescopic member is disposed on the mounting plate, and the movable sealing plate and the mounting plate body are both tapered.