CN113251781A - Uniform drying equipment for bulk materials - Google Patents
Uniform drying equipment for bulk materials Download PDFInfo
- Publication number
- CN113251781A CN113251781A CN202110635698.4A CN202110635698A CN113251781A CN 113251781 A CN113251781 A CN 113251781A CN 202110635698 A CN202110635698 A CN 202110635698A CN 113251781 A CN113251781 A CN 113251781A
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- Prior art keywords
- drying
- blowing
- air
- unit
- guide pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/02—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces
- F26B17/04—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces the belts being all horizontal or slightly inclined
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
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- 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
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
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- 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
- F26B25/04—Agitating, stirring, or scraping devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a uniform drying device for bulk materials, which comprises: the drying unit and the strong wind blowing-off unit are arranged alternately along the material conveying direction, the strong wind blowing-off unit comprises a wind guide pipe located in the material conveying tunnel, the blowing-off fan and the blowing-off drying mechanism are arranged on one side of the material conveying tunnel, the blowing-off fan, the wind guide pipe and the blowing-off drying mechanism are sequentially communicated along the air flow movement direction, the length of a wind guide opening of the wind guide pipe is matched with the width of a conveying belt in the material conveying tunnel, bulk materials are dried by the aid of the alternately arranged drying unit and the strong wind blowing-off unit, the caking state of the materials can be effectively changed, the contact area of the materials and gas is increased, the influence of the thickness of a material layer and the size of the materials on the drying effect is reduced, the drying effect of the materials is effectively guaranteed, and the drying uniformity is improved.
Description
Technical Field
The invention relates to the technical field of drying equipment, in particular to uniform drying equipment for bulk materials.
Background
At present, domestic drying equipment is plentiful, and roller drying, tunnel type airflow drying and the like are commonly used. In tunnel type air current drying, because the bulk material is in static state in drying process, its heat conductivity is not good, the gas permeability is not good, prior art's tunnel type air current heating drying device can arouse in the drying process that material layer moisture and temperature deviation about the well exceed standard, the regional drying effect of the region of material layer thickness and thin bed of material differs, big material and little material drying effect are different, even the drying effect of the tow sides of big material all differs, be difficult to satisfy the moisture and the temperature homogeneity requirement of the material heat drying through the tunnel.
Disclosure of Invention
In order to solve the defects in the prior art, the inventor provides the uniform drying equipment for the bulk materials, aiming at the bulk materials conveyed statically, the difference of moisture and temperature among the materials passing through the tunnel can be effectively reduced, and the drying uniformity is ensured.
Specifically, the present invention is realized by:
a uniform drying device for bulk materials comprises a material conveying tunnel, a drying unit and a strong air blowing unit, wherein the drying unit and the strong air blowing unit are alternately arranged along the material conveying direction; the strong wind blowing-off unit comprises a strong wind guide pipe and a blowing-off fan, the strong wind guide pipe is located inside the material conveying tunnel, the blowing-off fan is arranged on the outer side of the material conveying tunnel, a wind guide opening is formed in the wind outlet of the strong wind guide pipe, the wind guide opening is located above or below the material layer, and the length of the wind guide opening is matched with the width of the conveying belt.
Further, the strong wind blowing unit further comprises: the blowing-off drying mechanism is arranged on the outer side of the material conveying tunnel, and the blowing-off drying mechanism, the blowing-off fan and the strong wind guide pipe are communicated in sequence along the air flow moving direction.
Furthermore, the drying unit comprises a drying air guide pipe arranged inside the material conveying tunnel, an airflow heating mechanism and a drying fan, wherein the airflow heating mechanism, the drying fan and the drying air guide pipe are arranged on the outer side of the material conveying tunnel, the airflow heating mechanism, the drying fan and the drying air guide pipe are sequentially communicated along the airflow movement direction, an air equalizing mechanism is arranged at the air outlet of the drying air guide pipe, the air equalizing mechanism is positioned above or below the material layer, and the length of the air equalizing mechanism is matched with the width of the conveying belt.
Furthermore, the air guide opening and the air equalizing mechanism are both positioned above the material layer.
Furthermore, the air guide opening and the air equalizing mechanism are both positioned below the material layer.
Furthermore, the air guide opening and the horizontal plane of the material layer form an included angle alpha in inclined arrangement, and the inclined arrangement refers to the direction that the air guide opening inclines towards the material conveying direction.
Furthermore, the air guide opening is provided with an adjustable pore plate.
Further, the adjustable range of the included angle alpha is 0-60 degrees.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the uniform drying equipment for the bulk materials, the bulk materials are blown by the strong air blowing unit, the cake state of the materials is changed, the contact area of the materials and gas is increased, the materials can be turned over, the influence of the thickness of a material layer and the size of the materials on the drying effect is reduced, the drying effect of the materials is effectively guaranteed, and the drying uniformity is improved.
(2) The drying unit and the strong wind blowing unit are alternately arranged, and drying effect can be effectively guaranteed through multiple times of blowing and drying alternate operation, uniformity of material moisture is improved, and material drying quality is improved.
Drawings
FIG. 1 is a schematic view showing the structure of a bulk material uniform drying apparatus according to example 1;
FIG. 2 is a sectional view of the drying unit in example 1;
FIG. 3 is a sectional view of a strong wind dispersing unit according to example 1;
FIG. 4 is a schematic view showing the constitution of the bulk material uniform drying apparatus in example 2;
FIG. 5 is a sectional view of a drying unit in example 2;
FIG. 6 is a sectional view of a strong wind dispersing unit according to example 2;
FIG. 7 is a sectional view of a strong wind dispersing unit according to example 3;
fig. 8 is a schematic structural view of the bulk material uniform drying apparatus in example 3.
Reference numerals:
1-a material conveying tunnel; 11-a conveyor belt; 2-a drying unit; 21-a drying fan; 22-air flow heating means; 23-air equalizing mechanism; 3-blowing unit by strong wind; 31-a blowing fan; 32-a blow-off drying mechanism; 33-strong wind guide pipe; 331-a wind guide opening; 4, a pipeline; alpha represents the included angle between the air guide opening and the material layer.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
Example 1
As shown in fig. 1 to 3, the present invention provides a uniform drying apparatus for bulk materials, comprising: the material conveying tunnel 1, along material direction of delivery drying unit 2 and the strong wind unit 3 that blows off of arranging in turn, be provided with conveyer belt 11 in the material conveying tunnel 1, the form material that looses is located conveyer belt 11 and forms the material layer, and drying unit 2 is used for drying the form material that looses, and the strong wind unit 3 that blows off is used for blowing off the form material that looses. Wherein the drying unit 2 includes: the drying air guide pipe is arranged in the material conveying tunnel 1, the drying fan 21 and the air flow heating mechanism 22 are arranged on one side of the material conveying tunnel 1, the air flow heating mechanism 22, the drying fan 21 and the drying air guide pipe are sequentially communicated along the air flow moving direction, the air outlet position of the drying air guide pipe is provided with an air equalizing mechanism 23, the air equalizing mechanism 23 is positioned below the conveying belt 11, the length of the air equalizing mechanism is matched with the width of the conveying belt 11, and the air equalizing mechanism can cover materials passing through the drying unit 2. The air equalizing mechanism 23 is preferably an air equalizing plate, air flow is equalized by the air equalizing mechanism 23 and then vertically blown to the material layer, passes through the material layer, enters the air flow heating mechanism 22 for dehumidification and drying, and is blown to the material layer by the drying fan 21 for drying, so that circulating air flow is formed.
The strong wind blowing unit 3 includes: the strong wind guide pipe 33 is positioned below the conveying belt 11, the blowing fan 31 is arranged on one side of the material conveying tunnel 1, the blowing fan 31 is communicated with the strong wind guide pipe 33 along the air flow movement direction, and the length of a wind guide opening 331 at the upper end part of the strong wind guide pipe 33 is matched with the width of the conveying belt 11, so that the wind guide opening 331 can cover the material passing through the strong wind blowing unit 3 and blow the material entering the strong wind blowing unit 3. Specifically, the wind speed of the strong wind blowing unit 3 is 1.1-5 times of the wind speed of the drying unit 2, so that the material can be guaranteed to be blown away, the material is specifically set according to the thickness and the size of the material, and the description is omitted. The strong wind guide pipe 33 is rotatably connected to one side of the material conveying tunnel 1 close to the blowing fan 31, and is simultaneously communicated with the blowing fan 31, and specifically can be connected in a bearing, a rotating shaft and the like, without limitation, and based on the technical scheme of the invention, a person skilled in the art can realize the rotating function of the strong wind guide pipe 33 by using a conventional technical means. The connected strong wind guide pipe 33 is rotated to enable the wind guide opening 331 and the horizontal plane of the material layer to form an included angle alpha in an inclined arrangement, namely the wind guide opening of the wind guide opening 331 inclines to the material conveying direction. Preferably, the adjustable range of the included angle alpha is 0-60 degrees, and the blowing of the materials can be effectively ensured. Meanwhile, the air guide port 331 is provided with an adjustable pore plate (not shown), so that the air outlet direction and the air volume can be changed according to the conditions of different material layers, and the air guide port is suitable for different material sizes and thicknesses. Adjustable orifice plates (not shown) are widely used in dryers, air conditioners and other equipment, and the specific structure thereof is not described herein.
Specifically, the form material that looses is carried along conveyer belt 11's direction of motion, be in static when drying unit 2, it drifts away to be blown away by the strong wind when blowing away unit 3 through the strong wind, make the material be in the boiling state, carry out the drying simultaneously, the form material that looses sinks to arrange again afterwards, after the drying of next drying unit 2, it blows away the drying to get into next strong wind again and blows away unit 3, with this drying in turn repeatedly, can effectively improve the area of contact of material and gas, reduce bed of material thickness and material size to the influence of drying effect, the drying effect of material has effectively been guaranteed, improve drying uniformity.
Example 2
As shown in fig. 4-6, the strong wind guide pipe 33 and the wind equalizing mechanism 23 are both located above the material layer, the wind guide port 331 is located at the lower end of the wind guide pipe 33, and the air flow is blown out from the lower part, so that the material can be effectively ensured to be blown off from the conveyor belt 11 in the strong wind scattering unit 3, the scattering effect is ensured, and the reliability is improved.
Example 3
On the basis of embodiment 1, as shown in fig. 7, the strong wind scattering unit 3 further includes: the blowing-off drying mechanism 32 arranged outside the material conveying tunnel 1 is communicated with the blowing-off fan 31 and the strong wind guide pipe 33 in sequence along the moving direction of the air flow, so that the dryness of the air flow in the material blowing-off process is ensured, and the drying effect is ensured.
Example 4
The application also provides a bulk material uniform drying device, and on the basis of the embodiment 1, the number of the drying fans 21, the airflow heating mechanism 22 and the blowing fans 31 is reduced, so that the purpose of reducing the cost of the device is achieved. Specifically, as shown in fig. 8, the number of the drying fans 21, the airflow heating mechanism 22, and the blowing fan 31 is only 1, the drying fans 21 are respectively communicated to the plurality of drying units 2 through the plurality of pipelines 4, and finally, all the drying airflows return to the drying fans 21 after passing through the airflow heating mechanism 22, so that the purpose that one drying fan 21 provides circulating air for the plurality of drying units 2 is achieved. In a similar way, the blowing fans are respectively arranged through a plurality of pipelines; the number of the drying fans 21 and the number of the airflow heating mechanisms 22 can be increased or decreased according to the actual production situation, which is not described herein.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (8)
1. The uniform drying equipment for the bulk materials comprises a material conveying tunnel, wherein a conveying belt is arranged in the material conveying tunnel, the bulk materials are positioned on the conveying belt and form a material layer, and the uniform drying equipment is characterized by further comprising a drying unit and a strong air blowing unit which are alternately arranged along the material conveying direction, wherein the drying unit is used for drying the bulk materials, and the strong air blowing unit is used for blowing the bulk materials; the strong wind blowing-off unit comprises a strong wind guide pipe and a blowing-off fan, the strong wind guide pipe is located inside the material conveying tunnel, the blowing-off fan is arranged on the outer side of the material conveying tunnel, a wind guide opening is formed in the wind outlet of the strong wind guide pipe, the wind guide opening is located above or below the material layer, and the length of the wind guide opening is matched with the width of the conveying belt.
2. The bulk material uniform drying device according to claim 1, wherein the drying unit comprises a drying air guide pipe arranged inside the material conveying tunnel, an airflow heating mechanism and a drying fan which are arranged outside the material conveying tunnel, the airflow heating mechanism, the drying fan and the drying air guide pipe are sequentially communicated along the airflow movement direction, an air equalizing mechanism is arranged at the air outlet of the drying air guide pipe, the air equalizing mechanism is positioned above or below the material layer, and the length of the air equalizing mechanism is matched with the width of the conveying belt.
3. The bulk material uniform drying device according to claim 2, wherein the air guide opening and the air equalizing mechanism are both positioned above the material layer.
4. The bulk material uniform drying device according to claim 2, wherein the air guide opening and the air equalizing mechanism are both positioned below the material layer.
5. A bulk material uniform drying apparatus as claimed in claim 3 or 4, wherein said strong wind blowing unit further comprises: the blowing-off drying mechanism is arranged on the outer side of the material conveying tunnel, and the blowing-off drying mechanism, the blowing-off fan and the strong wind guide pipe are communicated in sequence along the air flow moving direction.
6. The bulk material uniform drying equipment according to claim 1 or 2, wherein the air guide opening and the horizontal surface of the material layer form an included angle alpha in an inclined arrangement, and the inclined arrangement refers to that the air guide opening inclines to the material conveying direction.
7. The bulk material uniform drying apparatus of claim 6, wherein the air guide opening is provided with an adjustable orifice plate.
8. A homogeneous drying apparatus for bulk materials according to claim 6 in which the adjustable range of said included angle α is from 0 ° to 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110635698.4A CN113251781A (en) | 2021-06-08 | 2021-06-08 | Uniform drying equipment for bulk materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110635698.4A CN113251781A (en) | 2021-06-08 | 2021-06-08 | Uniform drying equipment for bulk materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113251781A true CN113251781A (en) | 2021-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110635698.4A Pending CN113251781A (en) | 2021-06-08 | 2021-06-08 | Uniform drying equipment for bulk materials |
Country Status (1)
| Country | Link |
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| CN (1) | CN113251781A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115682691A (en) * | 2022-09-27 | 2023-02-03 | 安徽金锴智能烘干科技有限公司 | Multilayer mesh belt dryer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2155110T3 (en) * | 1995-09-06 | 2001-05-01 | Nestle Sa | PROCEDURE AND DEVICE TO PREVENT THE AGLOMERATION OF STICKY PARTICLES DURING YOUR DRYING. |
| CN101806533A (en) * | 2010-03-17 | 2010-08-18 | 云南昆船设计研究院 | Double-side alternative air-in tunnel type air flow heating drying or cooling device |
| CN103542694A (en) * | 2013-11-08 | 2014-01-29 | 山东科院天力节能工程有限公司 | Non-uniform air distribution interconnected fluidized bed drying device |
| CN103648632A (en) * | 2011-04-12 | 2014-03-19 | Fps食品加工机械技术公司 | Apparatus and method for fluidized bed treatment of materials |
| CN203661997U (en) * | 2014-02-10 | 2014-06-25 | 湖北省烟草科学研究院 | Segmented energy-saving dampening integrated tobacco parching house |
| CN205619740U (en) * | 2016-05-03 | 2016-10-05 | 台州益品豆制品有限公司 | Dried bean curd hair dryer |
| CN208432038U (en) * | 2018-06-11 | 2019-01-25 | 湖州品创孵化器有限公司 | A kind of waste incinerator is with breaing up drying integral machine |
| US20190316839A1 (en) * | 2016-11-29 | 2019-10-17 | Autefa Solutions Germany Gmbh | Textile fiber drying |
| CN209744847U (en) * | 2019-03-13 | 2019-12-06 | 青岛创客机械设备制造有限公司 | Fluidized bed dryer |
| CN211261482U (en) * | 2020-07-02 | 2020-08-14 | 潍坊舜天机电设备有限公司 | Chain plate conveying tunnel type poultry and feather separation multistage scattering dryer |
-
2021
- 2021-06-08 CN CN202110635698.4A patent/CN113251781A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2155110T3 (en) * | 1995-09-06 | 2001-05-01 | Nestle Sa | PROCEDURE AND DEVICE TO PREVENT THE AGLOMERATION OF STICKY PARTICLES DURING YOUR DRYING. |
| CN101806533A (en) * | 2010-03-17 | 2010-08-18 | 云南昆船设计研究院 | Double-side alternative air-in tunnel type air flow heating drying or cooling device |
| CN103648632A (en) * | 2011-04-12 | 2014-03-19 | Fps食品加工机械技术公司 | Apparatus and method for fluidized bed treatment of materials |
| CN103542694A (en) * | 2013-11-08 | 2014-01-29 | 山东科院天力节能工程有限公司 | Non-uniform air distribution interconnected fluidized bed drying device |
| CN203661997U (en) * | 2014-02-10 | 2014-06-25 | 湖北省烟草科学研究院 | Segmented energy-saving dampening integrated tobacco parching house |
| CN205619740U (en) * | 2016-05-03 | 2016-10-05 | 台州益品豆制品有限公司 | Dried bean curd hair dryer |
| US20190316839A1 (en) * | 2016-11-29 | 2019-10-17 | Autefa Solutions Germany Gmbh | Textile fiber drying |
| CN208432038U (en) * | 2018-06-11 | 2019-01-25 | 湖州品创孵化器有限公司 | A kind of waste incinerator is with breaing up drying integral machine |
| CN209744847U (en) * | 2019-03-13 | 2019-12-06 | 青岛创客机械设备制造有限公司 | Fluidized bed dryer |
| CN211261482U (en) * | 2020-07-02 | 2020-08-14 | 潍坊舜天机电设备有限公司 | Chain plate conveying tunnel type poultry and feather separation multistage scattering dryer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115682691A (en) * | 2022-09-27 | 2023-02-03 | 安徽金锴智能烘干科技有限公司 | Multilayer mesh belt dryer |
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Application publication date: 20210813 |
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