CN215028637U

CN215028637U - Biomass fuel's quick granulator

Info

Publication number: CN215028637U
Application number: CN202120982563.0U
Authority: CN
Inventors: 叶展鸿; 林亦敏; 郑卫芳; 曹嗪
Original assignee: Huizhou Jingfeng Environmental Protection New Energy Co ltd
Current assignee: Huizhou Jingfeng Environmental Protection New Energy Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-12-07
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a biomass fuel rapid granulator, which comprises a box body, a feed hopper and a material extruding cavity, wherein a material extruding screw rod is placed in the material extruding cavity, a rotary shifting sheet is arranged below the material extruding screw rod by the box body and is used for continuously distributing mud materials obtained by the material extruding screw rod downwards, and more than two groups of paired rollers are arranged below the rotary shifting sheet; the pair rollers comprise a rolling transverse roller and a forming transverse roller which are parallel to each other, a plurality of concave pits are uniformly arranged on each roller body, the rolling transverse roller and the forming transverse roller are driven by the outside to rotate in opposite directions so as to extrude and form pug between gaps of the two rollers, wherein the concave pits on each pair roller are not equal in diameter, and therefore biomass fuel particles with different sizes are generated by extrusion in the rotating process of the roller bodies. The utility model relates to a rationally, the structure is simple and clear, has improved single model and can only produce the not enough of single specification product, can show the production efficiency and the production scope that improve biomass fuel granulator.

Description

Biomass fuel's quick granulator

Technical Field

The utility model relates to a biomass fuel production field, more specifically say, relate to a biomass fuel's quick granulator.

Background

The biomass fuel is a columnar environment-friendly new energy source produced by processing straws, rice husks, peanut shells, corncobs, oil-tea camellia shells, cottonseed hulls and the like and three residues, agricultural and forestry wastes are used as raw materials, and the raw materials are prepared into various formed (such as block and particle) novel clean fuels capable of being directly combusted through the processes of crushing, mixing, drying, extruding, granulating and the like.

The diameter of the biomass granular fuel is generally 6-10 mm, manufacturers can usually produce granular fuels with different specifications according to different use requirements, the granular fuels are pressed and molded by a granulator in the preparation process, the existing granulator is simple in structure, convenient to operate and sufficient in discharge amount, but the inner structure of the existing granulator is deviated from the tradition, only granular crops with specific sizes can be produced at each time, and when a user needs to obtain products with various diameters, the granulator with different models must be purchased, namely, the granulating process lacks certain adjustability, and the diversity development of the biomass granular fuels is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a biomass fuel's quick granulator to the problem that prior art exists to overcome the technical problem that granulator can only produce single size granule among the prior art.

A fast granulator for biomass fuel comprises a box body, wherein a vertically arranged feed hopper is arranged at the upper part of the box body, the bottom of the feed hopper is communicated with an extrusion cavity, a horizontal extrusion screw is arranged in the extrusion cavity, one end of the extrusion screw receives a base material conveyed by the feed hopper, and the other end of the extrusion screw extends into the box body; a rotary shifting sheet is arranged below the material extruding screw rod of the box body and used for continuously distributing mud materials obtained by twisting the material extruding screw rod downwards, and more than two groups of double rollers are arranged below the rotary shifting sheet; the pair rollers comprise a rolling transverse roller and a forming transverse roller which are parallel to each other, a plurality of concave pits are uniformly arranged on each roller body, the rolling transverse roller and the forming transverse roller are driven by the outside to rotate in opposite directions so as to extrude and form pug between gaps of the two rollers, wherein the concave pits on each pair roller are not equal in diameter, and therefore biomass fuel particles with different sizes are generated by extrusion in the rotating process of the roller bodies.

As a further optimization scheme of the utility model, the number of the rotary shifting pieces is more than two, the end of each rotary shifting piece is connected with the same shifting piece rotating shaft, and the shifting piece rotating shaft is driven by the outside to drive the rotary shifting pieces to rotate around the shaft; the plectrum pivot is horizontal and is arranged and perpendicular with crowded material screw rod mutually, the axis of rolling horizontal roller, shaping horizontal roller is on a parallel with the plectrum pivot.

As the utility model discloses a further optimization scheme, the gyration plectrum is plate-type structure, and on length direction, it along the radial line of plectrum pivot is toward extending outward, on width direction, its along the axis of plectrum pivot is toward both sides extension.

As the utility model discloses a further optimization scheme, every group the pair roller is located gyration plectrum is in the below of different rotational position to can effectively pocket the pug of down dropping.

As a further optimization scheme of the utility model, the horizontally screen cloth is arranged to the pair roller below, be equipped with a plurality of groups filtration pore, every group on the screen cloth the diameter of filtration pore with be located directly over it the pit diameter is close.

As a further optimization scheme of the utility model, the screen cloth is horizontal in inside the box, the overall dimension is close the cross-section size of box, and the border department of screen cloth installs excitation motor.

As a further optimization scheme of the utility model, the below of screen cloth is provided with a plurality of discharge gate side by side, the quantity of discharge gate with the group number of pair roller equals, and every the discharge gate is located its correspondence under the pair roller.

As a further optimization scheme of the utility model, clout recovery unit is installed to the upside of screen cloth, clout recovery unit is including inhaling material pipeline and recovery pump, it runs through to inhale the material pipeline the lateral wall of box and outwards extend with the recovery pump links to each other under the effect of recovery pump, it will be unable to pass through to inhale the material pipeline the clout extraction of screen cloth extremely outside the box.

As a further optimization scheme of the utility model, crowded material screw rod with the plectrum pivot is connected with corresponding driving motor separately, plectrum pivot and every adopt belt drive between the roll horizontal roll.

As a further optimization scheme of the utility model, the feeder hopper is wide under narrow hourglass hopper-shaped.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses be provided with the gyration plectrum, the living beings mud material that obtains through the rotation mechanism of fan blade formula will extrude the material screw rod is divided and is dialled to different regions to be provided with corresponding pair roller in different material drop regions, specifically speaking, through the position design, the material drops under centrifugal force and gravity action in the middle of the pair roller, borrows the roll in opposite directions of pair roller again, extrudes the mud material into the granule shape; in the middle of, between every group pair roller, the shaping groove size on its surface is different, that is to say the granule size that every group pair roller rolled the shaping is inconsistent, is equipped with the discharge gate that the position corresponds again, makes the utility model discloses can export the living beings pellet fuel of different specifications simultaneously.

The utility model relates to a rationally, the structure is simple and clear, has improved single model and can only produce the not enough of single specification product, can show the production efficiency and the production scope that improve biomass fuel granulator.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

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

FIG. 2 is a schematic view showing the movement of the pair of rollers A of the present embodiment;

FIG. 3 is a schematic diagram showing the movement of the pair B rollers of the present embodiment;

FIG. 4 is a schematic diagram of belt transmission between the rotating shaft of the pick and the rolling transverse rollers A and B;

in the figure, 1-support frame; 2-a box body; 3-a feed hopper; 4-extruding chamber; 41-extruding screw rod; 42-screw motor; 5-turning the plectrum; 6-shifting piece rotating shaft; 7-pair rollers; 71-rolling a horizontal roller; 72-forming a transverse roller; 73-pits; 8-screening the screen; 81-filter pores; 9-exciting the motor; 10-excess material recovery device; 101-a material suction pipeline; 102-a recovery pump; 11-a discharge hole; 12-a hopper motor; A-A pairs of rollers; A1-A rolling horizontal roller; A2-A forming transverse roller; B-B pairs of rollers; B1-B rolling horizontal roller; B2-B form transverse rolls.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, the embodiment provides a biomass fuel rapid granulator, which includes a support frame 1 and a box 2 fixed on the support frame 1;

from last down observation, 1 upper portion fixed mounting of support frame has vertical feeder hopper 3, narrow hourglass hopper-shaped about feeder hopper 3 is wide for leading-in biomass raw materials through compaction blocking processing.

The bottom intercommunication of feeder hopper 3 has crowded material chamber 4, horizontal crowded material screw rod 41 has been placed in crowded material chamber 4, crowded material screw rod 41 receives the screw motor 42 drive of its tip for with feeder hopper 3 carries the spiral forward propelling movement of the living beings raw materials who comes, another tip of crowded material screw rod 41 then extends and gets into box 2.

The box body 2 is provided with a rotary shifting piece 5 below the discharge hole of the extrusion screw 41, the appearance of the rotary shifting piece 5 is similar to a fan blade, the rotary shifting piece 5 preferably adopts 3-6 blades, each blade rotary shifting piece 5 is connected with the same shifting piece rotating shaft 6, and the shifting piece rotating shaft 6 is driven by a shifting piece motor (not shown in the figure) at the end part of the shifting piece rotating shaft to drive the rotary shifting piece 5 to rotate around a shaft, so that biomass mud materials falling from the extrusion screw 41 are effectively taken and are respectively shifted to different areas below according to the directions of centrifugal force and gravity, and the rotary shifting piece 5 is also used for continuously shifting the mud materials obtained by kneading the extrusion screw 41 downwards.

Further, the plectrum rotating shaft 6 is horizontally arranged, and the axis of the plectrum rotating shaft is vertical to the axis of the extruding screw rod 41. The rotary shifting piece 5 is of a plate type structure, and when viewed from the length direction, the rotary shifting piece 5 extends outwards along the radial line of the shifting piece rotating shaft 6; viewed from the width direction, the rotary shifting piece 5 extends towards two sides along the axis of the shifting piece rotating shaft 6; therefore, the rotary shifting piece 5 is integrally formed into the shape of a long-strip fan blade, and the rotating speed of the shifting piece rotating shaft 6 is coordinated with the advancing speed of the extruding screw 41, so that the rotary shifting piece 5 can receive the fallen mud material in equal amount for each blade, and a substantial basis is provided for the subsequent sub-scale processing.

Gyration plectrum 5 is provided with a plurality of groups extrusion formula pair roller 7 at the below level of different rotational position, every group pair roller 7 all includes roll horizontal roller 71 and shaping horizontal roller 72, wherein roll horizontal roller 71 is the driving shaft, shaping horizontal roller 72 is the driven shaft, and both are relative and parallel arrangement, consequently at the working process, roll horizontal roller 71 can drive shaping horizontal roller 72 antiport for draw close and implement the extrusion toward the centre with the material between the two roll bodies.

Specifically, the surfaces of the rolling transverse rollers 71 and the forming transverse rollers 72 in the same pair of rollers are uniformly distributed with pits 73 with the same diameter, biomass pugs distributed by the rotary shifting piece 5 are received between the two transverse rollers, the rolling transverse rollers 71 are externally driven to move the pugs to a gap between the two transverse rollers and drive the forming transverse rollers 72 to reversely rotate by virtue of friction force transmitted by the pugs, and the pugs are extruded by the pits on the two transverse rollers and roll down at the same time to form granules with specified sizes.

In this embodiment, the diameter of the concave pit 73 between each pair of rollers 7 is different, so that the biomass particles extruded by the pair of rollers 7 in each area are different in size on the basis of the blanking of the rotary paddle 5 in different areas.

For example, the present embodiment is provided with two pairs of rollers 7, which are an a pair of rollers and a B pair of rollers, respectively, the diameter of the pits of the a rolling transverse roller and the a forming transverse roller of the a pair of rollers is 10mm (see fig. 2), the diameter of the pits of the B rolling transverse roller and the B forming transverse roller of the B pair of rollers is 6mm (see fig. 3), the a pair of rollers and the B pair of rollers work simultaneously, and the pelletizer can produce biomass fuel particles of two sizes simultaneously.

Of course, each pair of rollers 7 of this embodiment may also depend on different driving sources, so that in practical applications, the rotation rates of the pair of rollers a and B are respectively controlled according to the production requirements of different specifications of products, thereby producing different quantities of particles.

In order to process the pug to a greater extent and improve the production efficiency, the double roller 7 is preferably parallel to the plectrum rotating shaft 6, i.e. the gap in the double roller 7 is preferably parallel to the length direction of the rotary plectrum 5, so as to take and take the pug which is distributed and discharged in a large range.

Further, a corresponding filtering hole 81 is respectively arranged below each pair of rollers 7 for screening out impurities. In this embodiment, a horizontal screen 8 is transversely arranged below the pair of rollers 7, a plurality of groups of filtering holes 81 are arranged in the upper part of the screen 8, and the aperture of each group of filtering holes 81 is consistent with the diameter of the pit 73 directly above the filtering holes, so that biomass particles with corresponding specifications can be effectively screened out.

The lower end of the edge of the screen 8 is provided with a vibration excitation motor 9, and when the filtering operation is needed, the vibration excitation motor 9 is started, so that the filtering speed of the screen 8 can be accelerated.

It should be added that the screen 8 is placed transversely inside the box 2, and its shape and size are close to the cross-sectional size of the box 2, so as to avoid excessive impurities from directly dropping out. In order to promote the automation of equipment, avoid operating personnel to clear up the puzzlement of the internal environment of box repeatedly, clout recovery unit 10 is installed to screen cloth 8 top, clout recovery unit 10 is including inhaling material pipeline 101 and recovery pump 102, inhale material pipeline 101 a port and aim at screen cloth 8 upper surface, another port runs through the lateral wall of box 2 extends outwards, and with recovery pump 102 intercommunication. The suction force of the recovery pump 102 is directed away from the tank 2, so that the suction pipe 101 can draw the excess material that cannot pass through the screen 8 out of the tank 2 by the recovery pump 102, and prepare for the subsequent re-granulation.

As a complete granulator device, a plurality of discharge holes 11 are arranged right below the screen 8. The number of the discharge ports 11 is equal to the group number of the pair of rollers 7, and each discharge port 11 is positioned right below the corresponding pair of rollers 7, so that the granular products with different specifications are discharged in a subarea manner, and confusion is avoided.

In this embodiment, the hopper 3 is driven by the hopper motor 12 to stir the biomass fuel raw material, the extrusion screw 41 is driven by the extrusion motor 42 to drive spiral pushing, and the rotary shifting piece 5 is driven by the shifting piece rotating shaft 6 to rotate around the shaft. In order to save energy consumption of the power source and improve the energy-saving effect of the granulator, each rolling transverse rod 71 is suggested to adopt belt transmission, such as belt transmission (see fig. 4), with the stirring sheet rotating shaft 6, so as to transmit the rotation energy of the stirring sheet rotating shaft 6 in stages, drive the pair rollers 7 to move in a same manner, and utilize the power of the driving source as much as possible, thereby the whole movement mechanism is energy-saving and efficient.

To sum up, the utility model discloses the structure is simple and clear, design benefit divides regional processing through allocating the material, has effectively solved the predicament that a granulator can only produce single specification crop, is showing the production range that has improved the granulator. Therefore, the utility model discloses have positive application meaning in the processing field of living beings pellet fuel especially in the aspect of the granulation.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A fast granulator for biomass fuel comprises a box body and is characterized in that a vertically arranged feed hopper is arranged at the upper part of the box body, the bottom of the feed hopper is communicated with a material extruding cavity, a horizontal material extruding screw is arranged in the material extruding cavity, one end of the material extruding screw receives a base material conveyed by the feed hopper, and the other end of the material extruding screw extends into the box body; a rotary shifting sheet is arranged below the material extruding screw rod of the box body and used for continuously distributing mud materials obtained by twisting the material extruding screw rod downwards, and more than two groups of double rollers are arranged below the rotary shifting sheet; the pair rollers comprise a rolling transverse roller and a forming transverse roller which are parallel to each other, a plurality of concave pits are uniformly arranged on each roller body, the rolling transverse roller and the forming transverse roller are driven by the outside to rotate in opposite directions so as to extrude and form pug between gaps of the two rollers, wherein the concave pits on each pair roller are not equal in diameter, and therefore biomass fuel particles with different sizes are generated by extrusion in the rotating process of the roller bodies.

2. The biomass fuel rapid granulator according to claim 1, wherein the number of the rotary plectrum is more than two, the end of each rotary plectrum is connected with the same plectrum rotating shaft, and the plectrum rotating shaft is driven by the outside to drive the rotary plectrum to rotate around the shaft; the plectrum pivot is horizontal and is arranged and perpendicular with crowded material screw rod mutually, the axis of rolling horizontal roller, shaping horizontal roller is on a parallel with the plectrum pivot.

3. The biomass fuel rapid granulator according to claim 2, wherein the rotary poking sheet is of a plate structure, and extends outwards along the radial line of the poking sheet rotating shaft in the length direction and extends towards two sides along the axial line of the poking sheet rotating shaft in the width direction.

4. The biomass fuel rapid granulator according to claim 3, wherein each set of the pair of rollers is located below the rotary paddle in different rotational positions, thereby effectively containing falling pug.

5. The biomass fuel rapid granulator according to claim 4, wherein a horizontal screen is arranged below the pair of rollers, and a plurality of groups of filtering holes are arranged on the screen, and the diameter of each group of filtering holes is similar to the diameter of the pit positioned right above the filtering holes.

6. The biomass fuel rapid granulator according to claim 5, wherein the screen is transversely arranged in the box body, the shape and the size are close to the size of the cross section of the box body, and the edge of the screen is provided with a vibration exciting motor.

7. The biomass fuel rapid granulator according to claim 6, wherein a plurality of discharge ports are arranged below the screen side by side, the number of the discharge ports is equal to the number of the pairs of rollers, and each discharge port is positioned right below the corresponding pair of rollers.

8. The biomass fuel rapid granulator according to claim 7, wherein a remainder recovery device is installed on the upper side of the screen, the remainder recovery device comprises a material suction pipeline and a recovery pump, the material suction pipeline penetrates through the side wall of the box body and extends outwards to be connected with the recovery pump, and the material suction pipeline pumps the remainders which cannot pass through the screen out of the box body under the action of the recovery pump.

9. The biomass fuel rapid granulator according to claim 8, wherein the extrusion screw and the stirring sheet rotating shaft are respectively connected with a corresponding driving motor, and belt transmission is adopted between the stirring sheet rotating shaft and each rolling transverse roller.

10. The biomass fuel rapid granulator according to any one of claims 1 to 9, wherein the feed hopper is shaped like a funnel with a wide top and a narrow bottom.