CN110849103A - Rotary drum for drying high-humidity high-viscosity materials - Google Patents
Rotary drum for drying high-humidity high-viscosity materials Download PDFInfo
- Publication number
- CN110849103A CN110849103A CN201911025536.8A CN201911025536A CN110849103A CN 110849103 A CN110849103 A CN 110849103A CN 201911025536 A CN201911025536 A CN 201911025536A CN 110849103 A CN110849103 A CN 110849103A
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- scattering
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- main shaft
- rotary drum
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- 239000000463 material Substances 0.000 title claims abstract description 109
- 238000001035 drying Methods 0.000 title claims abstract description 23
- 238000007790 scraping Methods 0.000 claims abstract description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 241000219000 Populus Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000796 flavoring agent Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000003197 gene knockdown Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000011345 viscous material Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 235000019750 Crude protein Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000002036 drum drying Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/0463—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall
- F26B11/0477—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a rotary drum suitable for drying high-humidity and high-viscosity materials, which comprises a drum body, wherein the drum body comprises a material guide section, a grid lifting section, a short plate lifting section and a common lifting section, a scattering main shaft is further arranged in the drum body along the axial direction of the drum body, a scattering device for scattering materials in the drum body and a scraping device for cleaning the grid and the short plate are arranged on the scattering main shaft, and the scraping device is positioned in the grid lifting section and the short plate lifting section. According to the invention, different types of material raising plates are sequentially arranged in the barrel body according to the material flowing direction, materials with different water contents and viscosities can be processed in different areas in the barrel body, the material raising efficiency of each section is improved, most of the materials adhered to the inner wall of the roller and the material raising plates can be removed in time in the production process by arranging the material scraping device on the scattering main shaft, the material raising efficiency of the equipment is improved, the scattering uniformity of the materials is further improved by the scattering device, the contact area between the materials and hot air is increased, the wind tunnel area is reduced, the heat energy utilization rate is improved, and the manual cleaning difficulty can be reduced.
Description
Technical Field
The invention relates to a rotary drum suitable for drying high-humidity and high-viscosity materials.
Background
The rotary drum dryer is widely applied to the field of drying materials such as grains, feed, coal slime and the like due to the advantages of small equipment floor area, large treatment capacity, wide material characteristic application range, adjustable water content of discharged materials and the like.
The material lifting mechanism in the rotary drum used by the traditional rotary drum dryer is a fixed shoveling plate, and the material to be dried falls under the action of gravity after being lifted by the shoveling plate and is contacted with hot air in the falling process to perform heat transfer and mass transfer. Movable turnover shoveling plates, grate frame type shoveling plates, external knocking hammers and the like developed for drying viscous materials are also applied to production practice at present. However, the above-mentioned material raising mechanism is still suitable for drying the non-viscous or weak viscous materials, and if the high-humidity and high-viscosity materials, such as distiller's grains, especially Maotai-flavor distiller's grains, are dried, the effect is not ideal, and the problems encountered in the drum drying process of Maotai-flavor distiller's grains are exemplified below.
The Maotai-flavor distiller's grains contain water of over 60 percent generally, are rich in crude protein, crude fiber and the like, belong to high-humidity and high-viscosity materials, are easy to agglomerate in the stacking process, and mainly have the following problems in the roller drying process:
1) the agglomerated materials are difficult to be thoroughly scattered in the roller, so that more discharged blocks are generated, the moisture in the blocks exceeds the standard, and the production requirement cannot be met.
2) The Maotai-flavor distiller's grains have extremely high viscosity, the surface distiller's grains become more sticky in the drying process, the surface distiller's grains are often conglobated and adhered to the inner wall of the roller and a shoveling plate, and the water content of the surface distiller's grains is reduced and gradually hardened along with the drying process and is difficult to remove.
3) Because the material is easy to be bonded on the inner wall of the roller, the movable turnover shoveling plate effectively removes part of the material bonded on the shoveling plate in the early stage of drying, but the compaction degree of the material bonded on the inner wall of the roller is increased due to the extrusion effect of the movable turnover shoveling plate, so that the material is harder and firmer, the shoveling plate can be turned over at a small angle or even be stuck due to insufficient movable space after a long time, and the material lifting efficiency is greatly reduced.
4) Because the wall thickness of the roller is generally more than 15mm (a heat insulation layer is also arranged on the outer wall of part of the roller), the viscosity of materials is too high, the beating action of an external beating hammer is limited, the materials are difficult to remove, and even the local deformation of the roller is caused, so that the equipment failure is caused.
Disclosure of Invention
The invention provides a rotary drum for drying high-humidity and high-viscosity materials, aiming at the technical problems in the prior art.
The technical scheme for solving the technical problems is as follows: the utility model provides a rotary drum for high wet high-viscosity material is dried, includes the barrel, the barrel includes guide section, grid lifting section, short slab lifting section and ordinary lifting section, still be provided with along the barrel axial in the barrel and break up the main shaft, break up and be provided with the ware of breaing up that is used for breaking up the internal material of barrel and the scraper that is used for clearing up grid and short slab on the main shaft, the scraper is located grid lifting section and short slab lifting section, the scraper in the grid lifting section matches with the grid in the grid lifting section, the scraper in the short slab lifting section matches with the short slab in the short slab lifting section.
The large material guide screw, the grid type poplar material plate, the short plate type poplar material plate and the common material raising plate are sequentially arranged in the cylinder body according to the material flowing direction, the scattering main shaft and the driving device II are arranged on the cylinder along the central axis, the scattering main shaft is provided with the scattering device (namely scattering rake teeth) and the material scraping device, and materials with different water contents and viscosities can be processed in different areas in the cylinder body by arranging different types of material raising plates, so that the material raising efficiency of each section is improved. Through set up scraper on breaking up the main shaft, can in time clear away the most material that bonds on the cylinder inner wall level lifting blade in production process, improve equipment lifting efficiency, the ware that breaks up has further improved the degree of consistency that the material was shed, increases the area of contact between material and the hot-blast, reduces wind tunnel area, improves heat utilization efficiency to can reduce the manual cleaning degree of difficulty.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, the rotation direction of the scattering main shaft is opposite to that of the cylinder, and the scattering main shaft and the cylinder can play a better scattering and scraping effect due to the fact that the rotation directions are opposite.
Further, the scattering device comprises a support fixed on the scattering main shaft and a scattering component vertically fixed at the end part of the support.
Furthermore, the scraping device is a plurality of scattering shafts fixed on the scattering main shaft.
Further, the length of the scattering shaft is adjustable, the scattering shaft is set to be in a length adjustable mode, the scattering shaft can be adjusted according to needs, and the scattering shaft can be timely adjusted when the end of the scattering shaft is abraded.
Further, break up the axle and include the support and break up the pole, the one end fixed mounting of support breaks up on the main shaft, breaks up the telescopic setting of pole and sets up the tip at the support.
Further, the tip fixed mounting of support has the sleeve pipe, break up the pole and install on the sleeve pipe through the screw thread, adjust convenient and fast through the mode of screw thread.
Furthermore, the scraping devices in the grid lifting section and the short plate lifting section are arranged on the scattering main shaft in a staggered mode.
Furthermore, the grid bars in the grid bar material lifting section, the short plate material lifting plates in the short plate material lifting section and the material lifting plates in the common material lifting section (11) are both in an obtuse angle shape or an arc shape, and the installation angles are arranged in a staggered mode along the axial direction of the cylinder.
Furthermore, the grid bars in the grid bar lifting plate are stainless steel round bars, the diameter of the grid bars is 12-18cm, the distance between the grid bars is 30-50 mm, and the preferred distance is 40mm for vinasse.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of the present invention A-A;
FIG. 3 is a schematic view of the structure at a in FIG. 2;
FIG. 4 is a schematic view of the structure of FIG. 2 at b;
FIG. 5 is a schematic cross-sectional view of the present invention B-B;
FIG. 6 is a schematic view of the structure at c in FIG. 5;
FIG. 7 is a schematic cross-sectional view of the present invention C-C;
FIG. 8 is a schematic view of the present invention at d;
in the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a cylinder body 1, a rubber ring 2, a large gear ring 3, a first driving device 4, a base 5, a rolling belt 6, a carrier roller 7, a material guide section 8, a grid lifting section 9, a short plate lifting section 10, a common lifting section 11, a scattering main shaft 12, a second driving device 13, a support 14, a sleeve 15, a scattering rod 16, a scattering device 17, a feeder 18, a hot air inlet 19, a waste gas discharge port 20 and a discharge device 21.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, a rotary drum for drying high-humidity high-viscosity materials comprises a drum body 1, wherein the drum body 1 comprises a material guide section 8, a grid material lifting section 9, a short plate material lifting section 10 and a common material lifting section 11, a scattering main shaft 12 is further arranged in the drum body 1 along the axial direction of the drum body 1, a scattering device 17 for scattering materials in the drum body 1 and a scraping device for cleaning the grid and the short plate are arranged on the scattering main shaft 12, the scraping device is positioned in the grid material lifting section 9 and the short plate material lifting section 10, the scraping device in the grid material lifting section 9 is matched with the grid in the grid material lifting section 9, namely the scraping device can knock down materials bonded between the grid, and the scraping device in the short plate material lifting section 10 is matched with the short plate in the short plate material lifting section 10, namely the scraping device can knock down materials bonded between the short plates.
According to the rotary drum for drying the high-humidity and high-viscosity materials, the drum body 1 can be obliquely installed at an angle of 3-7 degrees, the front end and the rear end of the drum body 1 are provided with the end covers, and the drum body 1 is connected with the fixed sections at the front end and the rear end through the rubber rings 2 and the like, so that the purpose of sealing a dynamic and static joint is achieved. The barrel 1 is provided with a large gear ring 3 and a rolling belt 6, the large gear ring 3 is connected with a driving device I4 and drives the barrel 1 to rotate by the driving device I4, the rolling belt 6 is matched with a carrier roller 7 arranged on a base 5, the whole barrel 1 is supported by the carrier roller 7 without influencing the rotation of the barrel 1, a front end cover of the barrel 1 is provided with a feeder 18 and a hot air inlet 19, a rear end cover is provided with a waste gas discharge port 20 and a discharger 21, and a driving device II 13 is connected with a scattering main shaft 12 and drives the scattering main shaft 12 to rotate.
The invention sets the cylinder 1 as four parts of a material guide section 8 with internal threads, a grid material lifting section 9, a short plate material lifting section 10 and a common material lifting section 11, the material enters the cylinder 1 from a feeder 18, hot air generated by a hot blast stove enters the cylinder 1 through a hot air inlet 19, and the material is stably conveyed to the rear end under the combined action of a spiral material guide plate, the hot air and the inclination angle of the roller during the falling process and after falling to the bottom of the cylinder 1. When the material arrives the grid strip lifting section 9, the grid strip lifts the material, the scraper takes out the material in grid strip and short slab clearance department, simultaneously the scraper can also scrape the most material that bonds on the barrel 1 inner wall, keep within certain thickness (realize through the interval between control scraper and the barrel 1 inner wall), prevent that the cylinder sizing is too much and cause the driving motor overload, the material of scraping is broken up the device once more after, can increase the material and throw the face, reduce the wind tunnel area. Then the material continues to be carried to the rear end, and its moisture content has descended gradually, and viscidity reduces gradually, the cubic reduces gradually, for improving the raise material efficiency and prevent the sizing, has designed short slab raise material section 10, ordinary raise material section 11 in proper order to improve the raise material efficiency, increase the area of contact between material and the hot-blast, wait to fall to the conveyer by the lower part after the material reachs 1 tail end of barrel and take away, and for it is discharged by the top, send to exhaust gas purification system.
In this embodiment, the rotation direction of the scattering main shaft 12 is opposite to the rotation direction of the cylinder 1. Can ensure better scattering effect and scraping effect.
In this embodiment, the scattering devices 17 are uniformly distributed in each material lifting section, each scattering device 17 includes a support fixed on the scattering main shaft and a scattering component vertically fixed at the end of the support, and the scattering component may be a scattering rod, a scattering plate or a scattering pellet.
In this embodiment, the scraping device is a plurality of scattering shafts fixed on the scattering main shaft 17, the scattering shafts may be arranged in a row, and the scattering shafts are arranged on the scattering main shaft 17 along the axial direction of the barrel 1 in a staggered manner, so that the arrangement can prevent the front end and the rear end from being dropped in one plane due to the setting singleness of the scattering or scraping device, thereby forming a wind tunnel.
In this embodiment, we further set the breaking shaft to be a length-adjustable structure, and adjust the breaking shaft as required.
Specifically, as shown in fig. 4, the breaking shaft includes a support 14 and a breaking rod 16, one end of the support 14 is fixedly mounted on the breaking main shaft 12, and the breaking rod 16 is telescopically arranged at the end of the support 14, so as to realize the adjustment and change of the length of the breaking shaft.
More specifically, a sleeve 15 is fixedly arranged at the end part of the bracket 14, a breaking rod 16 is arranged on the sleeve 15 through threads, and the length of the breaking rod 16 can be conveniently adjusted by rotating and adjusting the depth of the breaking rod 16 inserted into the sleeve 15.
In this embodiment, the scrapers in the grid lifter 9 and the short-plate lifter 10 are arranged on the scattering main shaft 12 in a staggered manner.
In this embodiment, as shown in fig. 3, 6, and 8, the grid bars in the grid bar material raising section 9, the short plate material raising plates in the short plate material raising section 10, and the material raising plates in the ordinary material raising section 11 are all in an obtuse angle shape or an arc shape, and the installation angles thereof are arranged in a staggered manner along the axial direction of the cylinder (that is, the relative positions of the front and rear material raising plates installed on the circumference of the cylinder are different, so that the materials can be prevented from falling down in the same plane at the same time, and the area of the wind tunnel is reduced), and the back surface is provided with reinforcing ribs. More specifically, the reinforcing ribs used by the grid bars are stainless steel bars, and the reinforcing ribs used by the short-plate poplar plate and the common poplar plate are stainless steel plates.
In the embodiment, the grid bars in the grid bar poplar board are stainless steel round bars, the diameter of the grid bars is 12-18cm, the distance between the centers of the grid bars can be set to be 30-50 mm according to the material bonding degree, and for the wine tank, the distance can be directly set to be 40 mm.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a rotary drum for high wet high viscosity material is dried, includes barrel (1), its characterized in that, barrel (1) is including guide section (8), grid lifter section (9), short slab lifter section (10) and ordinary lifter section (11), still be provided with along barrel (1) axial in barrel (1) and break up main shaft (12), be provided with on breaking up main shaft (12) and be used for breaking up scatterer (17) of barrel (1) interior material and be used for clearing up the scraper of grid and short slab, the scraper is located grid lifter section (9) and short slab lifter section (10), the scraper in grid lifter section (9) matches with the grid in grid lifter section (9), the scraper in short slab lifter section (10) matches with the short slab in short slab lifter section (10).
2. The rotary drum for drying high-humidity high-viscosity materials is characterized in that the rotation direction of the scattering main shaft (12) is opposite to the rotation direction of the drum body (1) according to the claim 1.
3. The rotary drum for drying high-humidity high-viscosity materials according to claim 1, characterized in that the scattering device (17) comprises a bracket fixed on the scattering main shaft and a scattering component fixed vertically on the end of the bracket.
4. The rotary drum for drying high-humidity high-viscosity materials is characterized in that the scraping devices are a plurality of scattering shafts fixed on a scattering main shaft (17) according to claim 1.
5. The rotary drum for drying high-humidity high-viscosity materials is characterized in that the length of the scattering shaft is adjustable according to claim 4.
6. The rotary drum for drying high-humidity high-viscosity materials is characterized in that the scattering shaft comprises a bracket (14) and a scattering rod (16), one end of the bracket (14) is fixedly arranged on the scattering main shaft (12), and the scattering rod (16) is telescopically arranged at the end of the bracket (14).
7. The rotary drum for drying high-humidity high-viscosity materials is characterized in that a sleeve (15) is fixedly installed at the end of the support (14), and the scattering rod (16) is installed on the sleeve (15) through threads.
8. The rotary drum for drying high-humidity high-viscosity materials according to claim 1, characterized in that the scraping devices in the grid lifter (9) and the short lifter (10) are staggered on the scattering main shaft (12).
9. The rotary drum for drying high-humidity high-viscosity materials according to claim 1, wherein the grid bars in the grid lifting section (9), the short plate lifting plates in the short plate lifting section (10) and the lifting plates in the common lifting section (11) are all in a blunt angle shape or a circular arc shape, and the installation angles of the grid bars, the short plate lifting plates and the lifting plates are arranged in a staggered manner along the axial direction of the drum.
10. The rotary drum for drying the high-humidity high-viscosity materials according to claim 1, wherein the grid bars in the grid material raising plate are stainless steel round bars, the diameter of the grid bars is 12-18cm, and the distance between the grid bars is 30-50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911025536.8A CN110849103A (en) | 2019-10-25 | 2019-10-25 | Rotary drum for drying high-humidity high-viscosity materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911025536.8A CN110849103A (en) | 2019-10-25 | 2019-10-25 | Rotary drum for drying high-humidity high-viscosity materials |
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|---|---|
| CN110849103A true CN110849103A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911025536.8A Pending CN110849103A (en) | 2019-10-25 | 2019-10-25 | Rotary drum for drying high-humidity high-viscosity materials |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504022A (en) * | 2020-05-08 | 2020-08-07 | 潍坊学院 | Efficient and environment-friendly rotary kiln for drying ternary material raw material manganese salt |
| CN111617878A (en) * | 2020-05-12 | 2020-09-04 | 路德环境科技股份有限公司 | Impurity removing device suitable for continuous fluidized bed drying process |
| CN114370748A (en) * | 2022-01-24 | 2022-04-19 | 山东金格瑞机械有限公司 | A rotary drum drying equipment for fodder |
| CN114849548A (en) * | 2022-05-23 | 2022-08-05 | 丰城市复建高科有限公司 | Preparation method of hot recycled asphalt mixture |
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| CN109870000A (en) * | 2019-02-28 | 2019-06-11 | 路德环境科技股份有限公司 | High humidity height glues material roller drying self-cleaning device and system |
| CN211476555U (en) * | 2019-10-25 | 2020-09-11 | 路德环境科技股份有限公司 | Rotary drum for drying high-humidity high-viscosity materials |
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2019
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| CN102042746A (en) * | 2010-12-07 | 2011-05-04 | 常州国岱选煤科技有限公司 | Coal slurry drier |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504022A (en) * | 2020-05-08 | 2020-08-07 | 潍坊学院 | Efficient and environment-friendly rotary kiln for drying ternary material raw material manganese salt |
| CN111617878A (en) * | 2020-05-12 | 2020-09-04 | 路德环境科技股份有限公司 | Impurity removing device suitable for continuous fluidized bed drying process |
| CN114370748A (en) * | 2022-01-24 | 2022-04-19 | 山东金格瑞机械有限公司 | A rotary drum drying equipment for fodder |
| CN114849548A (en) * | 2022-05-23 | 2022-08-05 | 丰城市复建高科有限公司 | Preparation method of hot recycled asphalt mixture |
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