CN210544987U

CN210544987U - Granulator capable of continuously drying in granulation process

Info

Publication number: CN210544987U
Application number: CN201921081927.7U
Authority: CN
Inventors: 许惠朝; 刘猛
Original assignee: HEBEI SHUANGJI CHEMICAL CO Ltd
Current assignee: HEBEI SHUANGJI CHEMICAL CO Ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-05-19
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a granulator in continuous stoving of granulation in-process, include the granulation pair roller and be located the below of granulation pair roller is equipped with particle collecting tank, in particle collecting tank's below is equipped with the feeder hopper, in the feeder hopper lower extreme is constructed there is the blanking shell, in be equipped with in the blanking shell and be used for going into the wet-type granule that it is above that to carry out the heating mechanism that stirs through rabbling mechanism by the feeder hopper, heating mechanism with be formed with between the blanking shell and be used for carrying the wet-type granule to the material chamber of crossing of granulation pair roller after the stirring by heating mechanism, rabbling mechanism has and installs on the (mixing) shaft and rotates and stir the stirring leaf of piling up wet-type granule on heating mechanism along with the (mixing. The utility model has the characteristics of dry in succession by granulation pair roller roll forming's water dispersible granule, integration granulation and stoving, and dry when abundant drying efficiency is high, be applicable to the technical field of water dispersible granule granulation, stoving.

Description

Granulator capable of continuously drying in granulation process

Technical Field

The utility model belongs to the technical field of the granulation of water dispersible granule, specifically speaking relates to a granulator of drying in succession in granulation process.

Background

At present, water dispersible granules are granulated by a granulating roller and then need to be collected and then conveyed to drying equipment in batches for drying, and the phenomenon that the water dispersible granules cannot be sufficiently dried due to the fact that the drying equipment occupies a large space and the water dispersible granules are concentrated in the drying equipment frequently occurs. And the existing drying equipment and the granulator are mutually independent, cannot complete continuous operation, and have high input cost and low efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a dry in succession by granulation pair roller roll forming's water dispersible granule, and dry abundant while drying efficiency is high has the granulator of feeding dehumidification function.

In order to achieve the above object, the utility model adopts the following technical scheme:

a granulator capable of continuously drying in a granulation process comprises a granulation roller and a particle collecting groove arranged below the granulation roller, a feed hopper is arranged below the particle collecting groove, a blanking shell is constructed at the lower end of the feed hopper, a heating mechanism used for stirring wet particles entering the blanking shell from the feed hopper through a stirring mechanism is assembled in the blanking shell, a material passing cavity used for conveying the wet particles to the granulation roller after being stirred by the heating mechanism is formed between the heating mechanism and the blanking shell, and the stirring mechanism is provided with stirring blades which are arranged on a stirring shaft and rotate along with the stirring shaft to stir and accumulate the wet particles on the heating mechanism.

Further, the blanking shell including form in the first loudspeaker cover of feeder hopper discharge end, first loudspeaker cover expands gradually along feed direction, in the major diameter end of first loudspeaker cover is equipped with the second loudspeaker cover along the feed direction convergent.

Furthermore, a blanking pipe is formed at one end, far away from the first horn cover, of the second horn cover, the blanking pipe is communicated with the material passing cavity, and a propelling blade spirally extending along the axial direction of the blanking pipe is formed on the stirring shaft and located in the blanking pipe.

Furthermore, in first loudspeaker cover is close to the radial outside extension of the one end of second loudspeaker cover along first loudspeaker cover by first flange, in the one end that second loudspeaker cover is close to first loudspeaker cover is by the second flange along the radial outside extension of second loudspeaker cover, first flange and second flange set up correspondingly and the two passes through a plurality of bolt-up.

Furthermore, heating mechanism includes that the up end is for holding the material piece along the sunken material piece of feeding direction, it has the chamber that holds that is equipped with electric heating wire to hold the material piece, the stirring leaf is located the sunken position department of material piece.

Furthermore, the material bearing block is of a horn-shaped structure, the large-diameter end of the material bearing block faces the feed hopper, and a sunken part of the material bearing block is formed on the inner wall of the horn-shaped structure.

Further, the horn-shaped structure is provided with a hollow interlayer, the hollow interlayer forms the accommodating cavity, and the electric heating wire spirally extends from the large-diameter end to the small-diameter end of the horn-shaped structure along the axis of the accommodating cavity; the electric heating wire is provided with a joint which extends out of the blanking shell through the material passing cavity from the containing cavity and is connected with a power supply.

Furthermore, a gap larger than the particle size is formed between the stirring blades and the concave part of the material bearing block, the stirring blades are multiple, the stirring blades are uniformly arranged along the circumferential direction of the stirring shaft, and gaps for particles to fall into the gap are formed between the adjacent stirring blades.

Further, rabbling mechanism including install in the driving motor of feeder hopper top, driving motor's output with stirring shaft connection, just the (mixing) shaft by the feeder hopper top passes feeder hopper and heating mechanism in proper order and stretches out the blanking shell.

The utility model discloses owing to adopted foretell structure, it compares with prior art, and the technical progress who gains lies in: a particle collecting groove, a feed hopper and a blanking shell are sequentially arranged below the granulation roller pair, a heating mechanism is assembled in the blanking shell, and a material passing cavity is formed between the heating mechanism and the blanking shell; wet particles (water dispersible granules) formed by extrusion of granulation rollers enter a material collecting groove and fall on a heating mechanism through a feed hopper, a stirring blade of a stirring mechanism stirs the wet particles on the heating mechanism, the stirring blade plays a role in stirring on one hand, so that the wet particles are fully rolled and fully dried by the heating mechanism, on the other hand, the stirring blade plays a role in gradually pushing the wet particles into a material passing cavity from the heating mechanism, part of heat of the heating mechanism is transferred into the material passing cavity due to the fact that the material passing cavity is tightly attached to the heating mechanism, so that the water dispersible granules entering the material passing cavity are secondarily dried, the water dispersible granules entering the material passing cavity are in a dispersed state, moisture in the water dispersible granules is secondarily dried, and then the dried water dispersible granules are rolled off by the material passing cavity and collected; to sum up, the utility model has the characteristics of dry in succession by granulation pair roller roll forming's water dispersible granule, integration granulation and stoving, and dry when abundant drying efficiency is high.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a sectional view of the axial structure of the embodiment of the present invention;

fig. 3 is a schematic view of fig. 2 with another angle of the pelletizing roller removed.

Labeling components: 1-a feed hopper, 2-a first horn cover, 3-a first flange, 4-a second horn cover, 5-a second flange, 6-a material passing cavity, 7-a blanking pipe, 8-a material bearing block, 9-a containing cavity, 10-an electric heating wire, 11-a joint, 12-a connecting rod, 13-a driving motor, 14-a mounting plate, 15-a stirring shaft, 16-a stirring blade, 17-a notch, 18-a propelling blade, 19-a granulation pair roller, 20-a granulation tank and 21-a collecting tank.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the invention.

Embodiment a granulator that in granulation in-process continuous drying

The embodiment discloses a granulator for continuous drying in a granulation process, which comprises a granulation roller pair 19, a particle collecting groove 20, a feed hopper 1, a blanking shell, a heating mechanism and a stirring mechanism, as shown in fig. 1-3. Wherein, the granule collecting groove 20 is located the below of granulation pair roller 19 for collect the water dispersion granule that is formed by granulation pair roller 19 extrusion raw materials, the diapire of granule collecting groove adopts the slope setting, and feeder hopper 1 sets up in the granule collecting groove below, and water dispersion granule rolls along the diapire of granule collecting groove under the action of gravity and falls to the feeder hopper 1 in. The blanking shell is constructed at the lower end of the feed hopper 1, namely the small-diameter end of the feed hopper 1; the heating mechanism is fixedly assembled in the blanking shell, the water dispersible granules fall onto the heating mechanism through the feed hopper 1, the stirring blades 16 of the stirring mechanism are used for stirring the water dispersible granules, so that the water dispersible granules and the heating mechanism perform sufficient heat exchange to evaporate most of water in the water dispersible granules, and a material passing cavity 6 is formed between the heating mechanism and the blanking shell. The working principle of the embodiment is as follows: wet particles (water dispersible granules) formed by extrusion of a granulation roller pair 19 enter a material collecting groove and fall on a heating mechanism through a feed hopper 1, wet particles on the heating mechanism are stirred by a stirring blade 16 of a stirring mechanism, the stirring blade 16 plays a role in stirring to enable the wet particles to fully roll and be fully dried by the heating mechanism, the stirring blade 16 pushes the wet particles to a material passing cavity 6 from the heating mechanism gradually, a part of heat of the heating mechanism is transferred to the material passing cavity 6 due to the fact that the material passing cavity 6 is tightly attached to the heating mechanism, the water dispersible granules entering the material passing cavity 6 are secondarily dried, the water dispersible granules entering the material passing cavity 6 are in a dispersed state, moisture in the water dispersible granules is secondarily dried, and then the dried water dispersible granules are rolled down through the material passing cavity 6 and collected. The advantages of this embodiment are: the water dispersible granules roll-formed by the granulation roller pair 19 can be continuously dried, so that the integrated granulation and drying are realized, and the drying efficiency is high while the drying is sufficient.

The preferred embodiment of this embodiment blanking shell does: the blanking shell comprises a first horn cover 2 and a second horn cover 4, wherein the axes of the first horn cover 2 and the second horn cover 4 are overlapped, and the large-diameter ends of the first horn cover 2 and the second horn cover 4 are connected with each other; the small diameter end of the first horn cover 2 is constructed with the discharge end of the feed hopper 1, and the manufacturing process is to integrally manufacture and mold the first horn cover to a corresponding mold; a blanking pipe 7 is formed at one end of the second horn cover 4 far away from the first horn cover 2, the blanking pipe 7 is communicated with the material passing cavity 6, a propelling blade 18 spirally extending along the axial direction of the blanking pipe 7 is formed on the stirring shaft 15 and positioned in the blanking pipe 7, and the propelling blade 18 pushes the water dispersible granules entering the blanking pipe 7 from the material passing cavity 6 to be discharged out of the blanking pipe 7 along with the rotation of the stirring shaft 15. In addition, in the present embodiment, in order to facilitate the installation, maintenance and cleaning operations of the heating mechanism, the stirring shaft 15, the stirring blades 16, and the like, the first horn cover 2 and the second horn cover 4 are detachable, and the specific implementation manner is as follows: the first flange 3 extends outwards along the radial direction of the first horn cover 2 at one end of the first horn cover 2 close to the second horn cover 4, the second flange 5 extends outwards along the radial direction of the second horn cover 4 at one end of the second horn cover 4 close to the first horn cover 2, the first flange 3 and the second flange 5 are arranged correspondingly, the first flange 3 and the second flange 5 are fastened through a plurality of bolts arranged along the circumferential direction of the first flange 3 or the second flange 5 at intervals, and each bolt penetrates through the first flange 3 and the second flange 5 along the vertical direction and is in threaded connection with the first flange 3 and the second flange 5.

The specific structure of this embodiment heating mechanism does: the heating mechanism comprises a material bearing block 8, the upper end face of the material bearing block 8 is the material bearing block 8 which is sunken along the feeding direction, the material bearing block 8 is provided with a containing cavity 9 which is provided with an electric heating wire 10, and a stirring blade 16 of the stirring mechanism is positioned at the sunken part of the material bearing block 8. The material-receiving block 8 is preferably in the form of a trumpet with its large-diameter end facing the feed hopper 1 and its inner wall forming a depression in the material-receiving block 8. The horn-shaped structure is provided with a hollow interlayer which forms the accommodating cavity 9, and the electric heating wire 10 spirally extends from the large-diameter end to the small-diameter end of the horn-shaped structure along the axis of the accommodating cavity 9; the electrical heating wire 10 has a connection 11 which extends from the receiving chamber 9 through the material chamber 6 out of the blanking housing and is used for connection to a power supply. A plurality of connecting rods 12 are welded at the upper end of the material bearing block 8 at intervals along the circumferential direction of the material bearing block, and one end, far away from the material bearing block 8, of each connecting rod 12 is fixedly welded with the first horn cover 2, so that the material bearing block 8 is fixed.

The concrete structure of rabbling mechanism of this embodiment does: the stirring mechanism comprises a driving motor 13, the stirring shaft 15 and the stirring blade 16, wherein the driving motor 13 is arranged above the feeding hopper 1 and is fixedly connected with the feeding hopper 1 through a mounting plate 14, the output end of the driving motor 13 is connected with the stirring shaft 15, and the axes of the stirring shaft 15, the feeding hopper 1, the blanking shell, the heating mechanism and the blanking pipe 7 are superposed. The stirring shaft 15 sequentially penetrates through the feed hopper 1, the material bearing block 8 and the blanking shell from the upper part of the feed hopper 1 and extends out of the blanking pipe 7. Gaps larger than the particle size of particles are formed between the stirring blades 16 and the concave parts of the material bearing block 8, a plurality of stirring blades 16 are arranged uniformly along the circumferential direction of the stirring shaft 15, gaps 17 for the particles to fall into the gaps are formed between the adjacent stirring blades 16, so that the water dispersible granules fall into the gaps through the gaps 17, the stirring shaft 15 drives the stirring blades 16 to rotate slowly, the water dispersible granules and the heating mechanism fully exchange heat, the stirring blades 16 are bowl-shaped, and the drying effect is best when the height of the edge of the bowl-shaped structure is 12.5cm higher than the highest point of the material passing cavity 6. The water dispersible granule enters the center of the bowl and enters the gap along the notch 17, the water dispersible granule in the gap between the bowl and the material bearing block 8 is gradually discharged to the material passing cavity 6 along with the rotation of the bowl structure formed by the stirring blades 16, the water dispersible granule is secondarily dried in the material passing cavity 6 and then enters the blanking pipe 7, and the stirring shaft 15 drives the pushing blades to gradually convey the water dispersible granule in the blanking pipe 7 to the collecting tank 21 below the blanking pipe 7.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the claims of the present invention.

Claims

1. A granulator capable of continuously drying in the granulation process comprises a granulation roller pair and a particle collecting groove arranged below the granulation roller pair, and is characterized in that: the lower part of the particle collecting groove is provided with a feed hopper, the lower end of the feed hopper is provided with a blanking shell, a heating mechanism used for stirring wet particles entering the blanking shell from the feed hopper through a stirring mechanism is assembled in the blanking shell, the heating mechanism and the blanking shell are provided with a material passing cavity used for conveying the wet particles to a granulation roller pair after being stirred by the heating mechanism, and the stirring mechanism is provided with a stirring blade which is arranged on a stirring shaft and rotates along with the stirring shaft to stir and accumulate the wet particles on the heating mechanism.

2. A granulator according to claim 1, characterized in that it comprises: the blanking shell is including forming in the first loudspeaker cover of feeder hopper discharge end, first loudspeaker cover expands gradually along the direction of feed, in the big footpath end of first loudspeaker cover is equipped with the second loudspeaker cover along the direction of feed convergent.

3. A granulator according to claim 2, characterized in that it comprises: a blanking pipe is formed at one end, far away from the first horn cover, of the second horn cover, the blanking pipe is communicated with the material passing cavity, and a propelling blade spirally extending along the axial direction of the blanking pipe is formed on the stirring shaft and located in the blanking pipe.

4. A granulator for continuous drying in the granulation process as claimed in claim 2 or 3, wherein: in first loudspeaker cover is close to the radial outside extension of the one end of second loudspeaker cover along first loudspeaker cover by first flange, in the one end that second loudspeaker cover is close to first loudspeaker cover is by the second flange along the radial outside extension of second loudspeaker cover, first flange and the corresponding setting of second flange and the two pass through a plurality of bolt-up.

5. A granulator according to claim 1, characterized in that it comprises: the heating mechanism comprises a material bearing block with the upper end surface sunken along the feeding direction, the material bearing block is provided with an accommodating cavity provided with an electric heating wire, and the stirring blades are positioned at the sunken part of the material bearing block.

6. A granulator for continuous drying in the granulation process as claimed in claim 5, wherein: the material bearing block is of a horn-shaped structure, the large-diameter end of the material bearing block faces the feed hopper, and the inner wall of the horn-shaped structure forms a sunken part of the material bearing block.

7. A granulator for continuous drying in the granulation process as claimed in claim 6, characterized in that: the horn-shaped structure is provided with a hollow interlayer, the hollow interlayer forms the accommodating cavity, and the electric heating wire spirally extends from the large-diameter end to the small-diameter end of the horn-shaped structure along the axis of the accommodating cavity; the electric heating wire is provided with a joint which extends out of the blanking shell through the material passing cavity from the containing cavity and is connected with a power supply.

8. A granulator for continuous drying during granulation according to any of claims 5 to 7, characterized in that: the stirring leaf with have the clearance that is greater than the granule particle diameter between the sunken position of material piece, the stirring leaf is a plurality of, just a plurality of stirring leaves are followed the circumference of (mixing) shaft evenly sets up, is formed with between the adjacent stirring leaf and supplies the granule to fall into the opening in clearance.

9. A granulator according to claim 1, characterized in that it comprises: the rabbling mechanism including install in the driving motor of feeder hopper top, driving motor's output with stirring shaft connection, just the (mixing) shaft by the feeder hopper top passes feeder hopper and heating mechanism in proper order and stretches out the blanking shell.