CN107726754B - Double-layer cylindrical rice drying equipment - Google Patents
Double-layer cylindrical rice drying equipment Download PDFInfo
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- CN107726754B CN107726754B CN201711045005.6A CN201711045005A CN107726754B CN 107726754 B CN107726754 B CN 107726754B CN 201711045005 A CN201711045005 A CN 201711045005A CN 107726754 B CN107726754 B CN 107726754B
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- cylinder
- drying
- air
- holes
- flange
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- 238000001035 drying Methods 0.000 title claims abstract description 70
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 19
- 235000009566 rice Nutrition 0.000 title claims abstract description 19
- 240000007594 Oryza sativa Species 0.000 title 1
- 239000004744 fabric Substances 0.000 claims abstract description 27
- 241000209094 Oryza Species 0.000 claims abstract description 18
- 238000007664 blowing Methods 0.000 claims abstract description 16
- 230000001939 inductive effect Effects 0.000 claims abstract description 13
- 230000006698 induction Effects 0.000 claims 7
- 238000001914 filtration Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 6
- 244000062793 Sorghum vulgare Species 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 235000019713 millet Nutrition 0.000 abstract description 4
- 235000013339 cereals Nutrition 0.000 description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 15
- 235000017491 Bambusa tulda Nutrition 0.000 description 15
- 241001330002 Bambuseae Species 0.000 description 15
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 15
- 239000011425 bamboo Substances 0.000 description 15
- 239000011148 porous material Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 240000008042 Zea mays Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 238000010981 drying operation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000003643 Callosities Diseases 0.000 description 1
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
- F26B9/066—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers the products to be dried being disposed on one or more containers, which may have at least partly gas-previous walls, e.g. trays or shelves in a stack
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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
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses double-layer cylindrical rice drying equipment, wherein a flange is horizontally arranged at an opening at the top of a drying cylinder, a feed inlet and a plurality of air blowing holes are formed in the flange, a distributing cylinder is positioned in the drying cylinder, the distributing cylinder is vertically arranged, a drying channel is formed between the distributing cylinder and the drying cylinder, an air inducing cavity is arranged in the distributing cylinder, an upper cylinder body of the distributing cylinder is of a conical structure with gradually increasing outer diameter from top to bottom, a plurality of filtering holes are formed in the side wall of the upper cylinder body, and a plurality of air inducing holes are formed in the side wall of a lower cylinder body. Through the double-deck tube-shape rice drying equipment of above-mentioned optimal design, structural design is optimized rationally, carries out the cloth to the millet material that gets into a drying cylinder through the distributing cylinder to the induced air chamber through in the distributing cylinder will have the hot-blast taking away of steam and dust, improves the stoving effect, makes hot-blast thorough cycle in a drying cylinder, and the distributing cylinder guarantees the temperature in the drying cylinder at the middle part, improves heat utilization rate.
Description
Technical Field
The invention relates to the technical field of rice processing, in particular to rice drying and dust removing equipment.
Background
The effective control of the water content of the stored grain is the basic requirement of long-time safe storage of the grain. At present, the most widely used mechanized operation grain drying equipment is mainly a drying tower and is a mainstream product of grain drying equipment in China. The drying tower utilizes the hot drying airflow blown upwards to reversely move with the grain particles falling continuously to dry the grain particles. The structural configuration of current drying tower and its operation principle lead to drying the operation effect not very ideal, mainly have: firstly, the drying uniformity is poor; secondly, a grain particle free falling drying mode can generate a considerable amount of broken particles, so that the grain processing quality is greatly influenced, and certain difficulty is brought to normal storage; thirdly, the drying efficiency of the drying tower is relatively limited, because the drying airflow and the grain particles are in a reverse direction, the relative speed is high, the requirement of large-scale drying operation index is met, a high-temperature drying environment of 140-230 ℃ is needed, the particles are seriously burnt, the burnt rate is generally between 6 and 15 percent, particularly, the maturity of the harvested corns is uneven in large-scale grain mechanized planting and grain producing areas such as a corn planting area, and the burnt condition can be more serious in the drying operation of the existing drying tower equipment; and fourthly, the existing drying mode has high processing cost which is about 90 yuan/ton, and the grain storage processing capital pressure is higher.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides double-layer cylindrical rice drying equipment.
The invention provides a double-layer cylindrical rice drying device, which comprises: the device comprises a drying cylinder, a flange, a distributing cylinder, a blowing mechanism, an induced draft mechanism and a driving mechanism;
an accommodating space with an opening at the top is arranged in the drying cylinder, a discharge hole is formed in the bottom of the accommodating space, a flange is horizontally arranged at the opening, a feed hole and a plurality of air blowing holes are formed in the flange, and an air blowing mechanism blows air into the accommodating space through the air blowing holes;
the cloth section of thick bamboo is located in the accommodation space, form the stoving passageway between the vertical setting of cloth section of thick bamboo and its and the stoving section of thick bamboo, the inside induced air chamber that is equipped with of cloth section of thick bamboo, induced air chamber lateral wall is equipped with a plurality of fresh air inlets and the bottom is equipped with the induced air export, induced air mechanism with induced air export intercommunication, cloth section of thick bamboo include barrel and lower barrel, go up the barrel and have the gradually crescent toper structure of external diameter from the top down, go up the barrel lateral wall and be equipped with a plurality of filtration pores, lower barrel lateral wall is equipped with a plurality of induced air pores, and actuating mechanism is connected with cloth section of thick bamboo and is used for driving cloth section of thick bamboo and rotates around its pivot.
Preferably, the lower cylinder has a tapered structure in which the outer diameter is gradually reduced from the top to the bottom.
Preferably, the feed port is located in the middle of the flange, and a plurality of blast holes are arranged around the feed port.
Preferably, the top of the upper barrel body is provided with an arc-shaped structure with the middle part protruding upwards, and the feed inlet is positioned above the arc-shaped structure.
Preferably, the arc-shaped structure is provided with a buffer layer on the top.
Preferably, the pore diameter of the induced air pore is smaller than that of the filtering pore.
Preferably, the drying drum is arranged coaxially with the distribution drum.
According to the double-layer cylindrical rice drying equipment, the flange is horizontally arranged at the opening at the top of the drying cylinder, the flange is provided with the feed inlet and the plurality of air blowing holes, the distributing cylinder is positioned in the drying cylinder, the distributing cylinder is vertically arranged, a drying channel is formed between the distributing cylinder and the drying cylinder, the distributing cylinder is internally provided with the air inducing cavity, the upper cylinder body of the distributing cylinder is of a conical structure with the gradually increasing outer diameter from top to bottom, the side wall of the upper cylinder body is provided with the plurality of filtering holes, and the side wall of the lower cylinder body is provided with the plurality of air inducing holes. Through the double-deck tube-shape rice drying equipment of above-mentioned optimal design, structural design is optimized rationally, carries out the cloth to the millet material that gets into a drying cylinder through the distributing cylinder to the induced air chamber through in the distributing cylinder will have the hot-blast taking away of steam and dust, improves the stoving effect, makes hot-blast thorough cycle in a drying cylinder, and the distributing cylinder guarantees the temperature in the drying cylinder at the middle part, improves heat utilization rate.
Drawings
FIG. 1 is a schematic structural view of a double-layered cylindrical rice drying apparatus according to the present invention.
Detailed Description
As shown in fig. 1, fig. 1 is a schematic structural diagram of a double-layered cylindrical rice drying apparatus according to the present invention.
Referring to fig. 1, the present invention provides a double-layered cylindrical rice drying apparatus, comprising: the device comprises a drying cylinder 1, a flange 2, a distributing cylinder 3, a blowing mechanism, an induced draft mechanism 5 and a driving mechanism;
an accommodating space with an opening at the top is arranged in the drying cylinder 1, a discharge hole is formed in the bottom of the accommodating space, the flange 2 is horizontally arranged at the opening, a feed port and a plurality of air blowing holes are formed in the flange 2, and an air blowing mechanism blows air into the accommodating space through the air blowing holes;
cloth section of thick bamboo 3 is located in the accommodation space, form the stoving passageway between 3 vertical settings of cloth section of thick bamboo and its and the section of thick bamboo 1, cloth section of thick bamboo 3 inside is equipped with the induced air chamber, induced air chamber lateral wall is equipped with a plurality of fresh air inlets and the bottom is equipped with the induced air export, induced air mechanism 5 with induced air export intercommunication, cloth section of thick bamboo 3 include barrel 31 and lower barrel 32, and last barrel 31 has the toper structure of from the downward external diameter crescent, and last barrel 31 lateral wall is equipped with a plurality of filtration pores, and lower barrel 32 lateral wall is equipped with a plurality of induced air holes, and actuating mechanism is connected with cloth section of thick bamboo 3 and is used for driving cloth section of thick bamboo 3 to rotate around its pivot.
During the specific working process of the double-layer cylindrical rice drying equipment, grain materials enter the drying cylinder from the feeding hole in the middle of the flange, are uniformly distributed around the distributing cylinder in the drying cylinder under the action of centrifugal force along with the rotation of the distributing cylinder, and dust in the grain materials enters the induced air cavity through the filtering holes during the distributing process, and slides to the bottom discharging hole from top to bottom along the inner wall of the upper cylinder after the grain materials are distributed; and the drying gas is blown into the drying cylinder from the blast hole downwards, moves downwards along the drying channel under the action of the air inducing mechanism, is discharged through the air inducing hole of the air inducing cavity, and simultaneously takes away the water vapor in the grain materials.
In this embodiment, double-deck tube-shape rice drying equipment that provides, the flange level sets up the opening part at the drying cylinder top, be equipped with feed inlet and a plurality of induced air hole on the flange, cloth cylinder is located the drying cylinder, cloth cylinder vertical setting and its and drying cylinder between form the stoving passageway, cloth cylinder inside is equipped with the induced air chamber, cloth cylinder's last barrel has from the last gradually growing toper structure of external diameter down, it is equipped with a plurality of filtration pores to go up the barrel lateral wall, lower barrel lateral wall is equipped with a plurality of induced air holes. Through the double-deck tube-shape rice drying equipment of above-mentioned optimal design, structural design is optimized rationally, carries out the cloth to the millet material that gets into a drying cylinder through the distributing cylinder to the induced air chamber through in the distributing cylinder will have the hot-blast taking away of steam and dust, improves the stoving effect, makes hot-blast thorough cycle in a drying cylinder, and the distributing cylinder guarantees the temperature in the drying cylinder at the middle part, improves heat utilization rate.
In the embodiment, the lower cylinder 32 has a tapered structure with an outer diameter gradually decreasing from top to bottom, so that the air inducing holes in the lower cylinder are not blocked when the grains move downwards along the side wall of the drying cylinder.
In a specific material distribution mode, the feeding hole is located in the middle of the flange 2, and the plurality of air blowing holes are arranged around the feeding hole, so that feeding and blowing hot air to the feeding hole from all directions is achieved.
In further concrete embodiment, the top of upper barrel 31 has the bellied arc structure of middle part upwards, the feed inlet is located arc structure top, and the feed inlet feeding falls on the arc is structural, improves the cloth homogeneity, and further on, arc structure top has the buffer layer, reduces the breakage that millet material and cloth section of thick bamboo collision caused.
In a specific design mode of the air inducing hole, the aperture of the air inducing hole is smaller than that of the filtering hole, so that dust passing through the filtering empty sieve and entering the air inducing cavity cannot return to the drying cavity from the air inducing hole.
In other embodiments, drum 1 is arranged coaxially with distribution drum 3.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. A double-layer cylindrical rice drying device is characterized by comprising: the device comprises a drying cylinder (1), a flange (2), a distributing cylinder (3), a blowing mechanism, an air inducing mechanism (5) and a driving mechanism;
an accommodating space with an opening at the top is arranged in the drying cylinder (1), a discharge hole is formed in the bottom of the accommodating space, the flange (2) is horizontally arranged at the opening, a feed port and a plurality of air blowing holes are formed in the flange (2), and an air blowing mechanism blows air into the accommodating space through the air blowing holes;
the cloth barrel (3) is located in the accommodating space, a drying channel is formed between the cloth barrel (3) and the drying barrel (1) in a vertical mode, an air induction cavity is arranged inside the cloth barrel (3), a plurality of air inlet holes are formed in the side wall of the air induction cavity, an air induction outlet is formed in the bottom of the air induction cavity, an air induction mechanism (5) is communicated with the air induction outlet, the cloth barrel (3) comprises an upper barrel body (31) and a lower barrel body (32), the upper barrel body (31) is of a conical structure with the outer diameter gradually increasing from top to bottom, a plurality of filter holes are formed in the side wall of the upper barrel body (31), a plurality of air induction holes are formed in the side wall of the lower barrel body (32), and a driving mechanism is connected with the cloth barrel (3) and used for driving the cloth barrel (3) to rotate around a rotating shaft of the driving mechanism;
the lower cylinder (32) is provided with a conical structure with the outer diameter gradually reduced from top to bottom;
the top of the upper cylinder body (31) is provided with an arc structure with the middle part protruding upwards, and the feed inlet is positioned above the arc structure;
the top of the arc-shaped structure is provided with a buffer layer;
the aperture of the induced air hole is smaller than that of the filter hole.
2. The double-layered cylindrical rice drying apparatus as claimed in claim 1, wherein the feed inlet is located at a center of the flange (2), and a plurality of blast holes are arranged around the feed inlet.
3. The double-layered cylindrical rice drying apparatus as claimed in claim 1, wherein the drying drum (1) is arranged coaxially with the distribution drum (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711045005.6A CN107726754B (en) | 2017-10-31 | 2017-10-31 | Double-layer cylindrical rice drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711045005.6A CN107726754B (en) | 2017-10-31 | 2017-10-31 | Double-layer cylindrical rice drying equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107726754A CN107726754A (en) | 2018-02-23 |
| CN107726754B true CN107726754B (en) | 2022-04-12 |
Family
ID=61203438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711045005.6A Active CN107726754B (en) | 2017-10-31 | 2017-10-31 | Double-layer cylindrical rice drying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107726754B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05332676A (en) * | 1992-05-29 | 1993-12-14 | Kaneko Agricult Mach Co Ltd | Grain drying device |
| CN2205532Y (en) * | 1994-10-12 | 1995-08-16 | 阜宁县淮海水泥设备厂 | Core furnace speed regulating gravity vertical drier |
| CN101995151A (en) * | 2009-08-20 | 2011-03-30 | 区钊金 | Hot-blast air oven |
| CN203675993U (en) * | 2013-08-29 | 2014-07-02 | 赵庆祥 | Electrical circulation barrel-type vertical grain drying machine |
| CN204037928U (en) * | 2014-09-22 | 2014-12-24 | 温泰立 | A kind of without suction pipe threshing ground harvester |
| CN105546963A (en) * | 2015-12-17 | 2016-05-04 | 李秋芬 | Energy-saving grain dryer |
-
2017
- 2017-10-31 CN CN201711045005.6A patent/CN107726754B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05332676A (en) * | 1992-05-29 | 1993-12-14 | Kaneko Agricult Mach Co Ltd | Grain drying device |
| CN2205532Y (en) * | 1994-10-12 | 1995-08-16 | 阜宁县淮海水泥设备厂 | Core furnace speed regulating gravity vertical drier |
| CN101995151A (en) * | 2009-08-20 | 2011-03-30 | 区钊金 | Hot-blast air oven |
| CN203675993U (en) * | 2013-08-29 | 2014-07-02 | 赵庆祥 | Electrical circulation barrel-type vertical grain drying machine |
| CN204037928U (en) * | 2014-09-22 | 2014-12-24 | 温泰立 | A kind of without suction pipe threshing ground harvester |
| CN105546963A (en) * | 2015-12-17 | 2016-05-04 | 李秋芬 | Energy-saving grain dryer |
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| Publication number | Publication date |
|---|---|
| CN107726754A (en) | 2018-02-23 |
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Effective date of registration: 20220315 Address after: 230000 stations 9 and 10 of College Students' dream factory on the first floor of Zone C, entrepreneurship incubation center, National University Science Park, high tech Zone, Hefei, Anhui Province Applicant after: HEFEI ZHIQUAN INFORMATION TECHNOLOGY CO.,LTD. Address before: 233200 Zhengfeng agriculture, Jiangji street, Jiangji Town, Dingyuan County, Chuzhou City, Anhui Province Applicant before: ANHUI ZHENGFENG AGRICULTURAL TECHNOLOGY CO.,LTD. |
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