CN215295581U - Wheat circulation drying device - Google Patents
Wheat circulation drying device Download PDFInfo
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- CN215295581U CN215295581U CN202121749267.2U CN202121749267U CN215295581U CN 215295581 U CN215295581 U CN 215295581U CN 202121749267 U CN202121749267 U CN 202121749267U CN 215295581 U CN215295581 U CN 215295581U
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- hot air
- drying
- wheat
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- 238000001035 drying Methods 0.000 title claims abstract description 74
- 241000209140 Triticum Species 0.000 title claims abstract description 51
- 235000021307 Triticum Nutrition 0.000 title claims abstract description 51
- 235000013339 cereals Nutrition 0.000 claims abstract description 36
- 238000002485 combustion reaction Methods 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 238000009423 ventilation Methods 0.000 claims abstract description 23
- 238000005485 electric heating Methods 0.000 claims abstract description 18
- 239000002028 Biomass Substances 0.000 claims abstract description 17
- 238000003860 storage Methods 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims abstract description 8
- 239000000725 suspension Substances 0.000 claims abstract 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 238000005496 tempering Methods 0.000 description 33
- 238000007599 discharging Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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- Drying Of Solid Materials (AREA)
Abstract
本实用新型公开了一种小麦循环烘干装置，包括斗式提升机、烘干塔和热风供应装置，烘干塔由上至下依次为储粮仓、第一烘干仓、第一缓苏仓、第二烘干仓、第二缓苏仓、冷却仓和卸粮仓，第一烘干仓的一侧设置有热风进口，热风进口与热风供应装置之间通过热风管道连通，第一烘干仓内设置有分层布置的变截面角状盒，卸粮仓的底部设置有排粮机；热风供应装置包括燃烧炉，燃烧炉内设置有隔板，隔板将燃烧炉分隔为电加热炉和生物质燃烧炉两个独立部分，电加热炉和生物质燃烧炉底部设置有热风通气管道，热风管道和热风通气管道通过离心风机连通；本实用新型用于解决现有技术中小麦干燥经济性差、生产效率低和碳排放量大的问题。
The utility model discloses a wheat circulating drying device, which comprises a bucket elevator, a drying tower and a hot air supply device. The drying tower is composed of a grain storage bin, a first drying bin and a first slowing bin in order from top to bottom. , the second drying bin, the second slow-suspension bin, the cooling bin and the unloading bin, a hot air inlet is arranged on one side of the first drying bin, and the hot air inlet and the hot air supply device are communicated through a hot air duct, and the first drying bin is There are angular boxes with variable section arranged in layers, and a grain discharger is arranged at the bottom of the unloading bin; the hot air supply device includes a combustion furnace, and a partition is arranged in the combustion furnace, and the partition divides the combustion furnace into an electric heating furnace and a heating furnace. There are two independent parts of the biomass burning furnace. The electric heating furnace and the biomass burning furnace are provided with a hot air ventilation pipe at the bottom, and the hot air pipe and the hot air ventilation pipe are communicated through a centrifugal fan; low efficiency and high carbon emissions.
Description
Technical Field
The utility model relates to a grain drying equipment technical field, especially a wheat circulation drying device.
Background
As the biggest world food producing country and consuming country in China, the annual yield of wheat can reach more than one hundred million tons, but the loss rate is higher after a series of processing processes such as threshing, airing, storage, transportation, processing, consumption and the like. Among these losses, the loss of mildew, germination and the like is up to 5% because of weather reasons, the sun drying is not as late as possible or safe moisture is not reached, so that the benefit of minimizing the loss of wheat to the lowest point is maximized, and the drying is particularly important in the process and can be said to be an important guarantee condition for harvest.
At present, although the drying technology in China develops rapidly, most of the grain drying equipment is developed based on the drying of rice and corn, the relative characteristics of the drying of wheat are not developed, the used equipment is large-ring-speed-ratio grain drying equipment, the matching degree of the used equipment and the objective characteristics of wheat is not completely consistent, the problems of poor wheat drying economy, low production efficiency, large carbon emission and the like are caused, and the quality of the dried wheat cannot achieve considerable effects to a certain extent.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wheat circulation drying device for solve among the prior art problem that wheat drying economy is poor, production efficiency is low and the carbon emission is big.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a wheat circulating drying device comprises a bucket elevator, a drying tower and a hot air supply device, wherein the drying tower sequentially comprises a grain storage bin, a first drying bin, a first tempering bin, a second drying bin, a second tempering bin, a cooling bin and a grain unloading bin from top to bottom, and a feeding channel is arranged between an outlet of the bucket elevator and an inlet of the grain storage bin; the structure of the first drying bin is the same as that of the second drying bin, a hot air inlet is formed in one side of the first drying bin, the hot air inlet is communicated with a hot air supply device through a hot air pipeline, a plurality of variable cross-section angle-shaped boxes which are arranged in a layered mode are uniformly arranged in the first drying bin, and the variable cross-section angle-shaped boxes of two adjacent layers are arranged in a staggered mode and are opposite in arrangement direction; the bottom of the grain unloading bin is provided with a grain discharging machine, and the bottom of a grain discharging hopper of the grain discharging machine is provided with a screw conveyor; the hot air supply device comprises a combustion furnace, a partition plate is arranged in the combustion furnace, the partition plate divides the combustion furnace into two independent parts, namely an electric heating furnace and a biomass combustion furnace, the top of the combustion furnace is provided with an induced draft fan, the outlet of the induced draft fan is communicated with a ventilating pipeline, the ventilating pipeline is provided with two ventilating branch pipes, the ventilating branch pipes respectively extend into the electric heating furnace and the biomass combustion furnace, and electromagnetic valves are arranged in the ventilating branch pipes; the bottom parts of the electric heating furnace and the biomass combustion furnace are provided with hot air ventilation pipelines which are communicated through a centrifugal fan.
Optionally, the structure in first tempering storehouse and second tempering storehouse is the same, and the inside cylindric tempering storehouse body that is provided with in first tempering storehouse, the internal connecting rod that is provided with equilateral triangle structure in the tempering storehouse, the connecting rod inscription in the tempering storehouse body, be provided with supplementary connecting rod between the midpoint of connecting rod and the inner wall in the tempering storehouse body.
Optionally, a variable cross-section angular box is also arranged in the cooling bin, and the arrangement mode of the variable cross-section angular box in the cooling bin is the same as that of the variable cross-section angular box in the first drying bin; and a cooling fan is arranged on one side of the cooling bin, an air outlet is arranged on the other side of the cooling bin, and a bag filter is arranged at the air outlet.
Optionally, a heater is arranged in the electric heating furnace, and the heater is an externally wound corrugated stainless steel band.
Optionally, the biomass combustion furnace comprises a hearth, an ash removal door, a chimney and a heat exchange chamber, the ventilation branch pipe of the biomass combustion furnace is arranged in the heat exchange chamber, and the hot air ventilation pipeline is arranged at the bottom of the heat exchange chamber.
Optionally, a gas purification device is arranged at the inlet of the centrifugal fan.
The utility model discloses a wheat circulation drying device has following advantage:
(1) in view of wheat is very sensitive to high temperature, the poor characteristic of temperature toleration, the utility model discloses a low temperature short-term is dry many times, is slow soviet effect many times, reduces the moisture content of wheat to ensure that the quality of wheat does not receive the damage, reduce the waist-bursting rate of wheat.
(2) The utility model discloses can use the mode of electrical heating to heat, also can use biomass fuel, if: straw, sawdust, rice chaff and the like are combusted and heated, a heating mode of combusting coal is not adopted, and harmful substances such as sulfur dioxide, nitrogen dioxide and the like are avoided.
(3) The cylindrical tempering bin body structure can reduce the probability of occurrence of circulation dead angles, can maximize the area of an effective circulation area, and enables materials to be fully tempered in the tempering process.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a hot air supply device.
Fig. 3 is a top view of the first tempering chamber.
Fig. 4 is a schematic view of the structure of the horn-shaped case with a variable cross section.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-4, a wheat circulating drying device comprises a bucket elevator 1, a drying tower 2 and a hot air supply device, wherein the drying tower 2 sequentially comprises a grain storage bin 3, a first drying bin 4, a first tempering bin 5, a second drying bin 6, a second tempering bin 7, a cooling bin 8 and a grain unloading bin 9 from top to bottom, a feeding channel 30 is arranged between an outlet of the bucket elevator 1 and an inlet of the grain storage bin 3, and wheat is conveyed into the grain storage bin 3 at the top of the drying tower 2 through the bucket elevator 1.
The structure of the first drying bin 4 is the same as that of the second drying bin 6, a hot air inlet 12 is arranged at the right side of the first drying bin 4, and the hot air inlet 12 is communicated with a hot air supply device through a hot air pipeline 15; a hot air extractor 13 is arranged at the left side of the first drying bin 4, so that hot air generated in the drying process can be quickly discharged; a temperature sensor and an air speed sensor are arranged in the first drying bin 4, so that the temperature and the air speed in the first drying bin 4 are controlled within a reasonable range. Evenly be provided with the variable cross section angle form box 14 that a plurality of layers were arranged in the first stoving storehouse 4, adjacent two-layer variable cross section angle form box 14 dislocation set just sets up opposite direction, and the big cross-section one end and the external intercommunication of variable cross section angle form box 14, little cross-section one end are enclosed construction. The variable cross-section horn-shaped boxes 14 on two adjacent layers are arranged in opposite directions, so that the uniformity of air quantity in each variable cross-section horn-shaped box 14 can be ensured, and the uniformity of moisture and temperature of the wheat after being dried by wind can be ensured. The variable cross-section horn-shaped boxes 14 on the same layer are arranged at intervals, so that the phenomenon of bridging or blocking of wheat can be avoided. The horn-shaped boxes 14 with the variable cross sections of the two adjacent layers are arranged in a staggered mode, so that the wind area of wheat can be increased, and the drying quality of the wheat is guaranteed.
The cooling bin 8 is also internally provided with a variable cross-section angular box 14, and the arrangement mode of the variable cross-section angular box 14 in the cooling bin 8 is the same as that of the variable cross-section angular box 14 in the first drying bin 4; cooling fan 31 is provided with to one side of cooling bin 8, and cooling bin 8's opposite side is provided with the air outlet, and air outlet department is provided with bag filter 32, and cooling fan 31 cools off the wheat in sending into cooling bin 8 with gas, and the gas after the cooling is discharged from the air outlet, and bag filter 32 is arranged in floating the grain material in the filtered gas and the wheat grain skin that produces among some drying process, avoids these impurity to discharge in the atmosphere, has certain environmental protection.
The bottom of the grain unloading bin 9 is provided with a grain discharging machine 10, the grain discharging machine 10 adopts a reciprocating grain discharging machine 10, the reciprocating grain discharging machine 10 enables the wheat to be uniformly discharged from a grain discharging hopper through reciprocating motion, and the bottom of the grain discharging hopper is provided with a spiral conveyer 11 which conveys the dried wheat out.
The hot air supply device comprises a combustion furnace 16, a partition plate is arranged in the combustion furnace 16, the partition plate divides the combustion furnace 16 into two independent parts, namely an electric heating furnace 18 and a biomass combustion furnace 19, an induced draft fan 20 is arranged at the top of the combustion furnace 16, an outlet of the induced draft fan 20 is communicated with a ventilation pipeline 21, two ventilation branch pipes 22 are arranged on the ventilation pipeline 21, the ventilation branch pipes 22 respectively extend into the electric heating furnace 18 and the biomass combustion furnace 19, and electromagnetic valves 23 are arranged in the ventilation branch pipes 22. A heater 24 is arranged in the electric heating furnace 18, the heater 24 is an externally wound corrugated stainless steel belt, a hot air ventilation pipeline 29 is arranged at the bottom of the electric heating furnace 18, a draught fan 20 sends cold air into the electric heating furnace 18 through a ventilation branch pipe 22 in the electric heating furnace 18, then the electric heating furnace is used for heating, whether the air temperature meets the requirement or not is judged through a temperature sensor arranged in the electric heating furnace 18, and then hot air is sent into the hot air ventilation pipeline 29. The biomass combustion furnace 19 comprises a feeding device, a combustion fan 27, a hearth 25, an ignition device, a chimney 28 and a heat exchange chamber 26. Biomass fuels such as straws, sawdust and rice chaff are fed into the hearth 25 through the feeding device, then the ignition device is used for igniting the fuels, the air in the heat exchange chamber 26 is heated, the combustion fan 27 can accelerate the combustion speed of the fuels, and the heating efficiency is improved. A temperature sensor in the heat exchange chamber 26 can judge whether the air temperature meets the requirement, heated hot air is sent into a hot air ventilation pipeline 29 at the bottom of the heat exchange chamber 26, the hot air pipeline 15 and the hot air ventilation pipeline 29 are communicated through a centrifugal fan, hot air generated by a hot air supply device is conveyed into the first drying bin 4 and the second drying bin 6 through the centrifugal fan, and an air purification device is arranged at an inlet to prevent impurities in the hot air from polluting the quality of wheat.
The working process of the utility model is as follows: the wheat is firstly conveyed into a grain storage bin 3 at the top of a drying tower 2 through a bucket elevator 1, the wheat slowly falls downwards under the action of gravity, primary drying is carried out in a first drying bin 4, and primary tempering is carried out in a first tempering bin 5; then the wheat after the first tempering falls down to the first drying bin 4 again for secondary drying, secondary tempering is carried out in the second tempering bin 7, and the moisture content of the wheat is reduced through low-temperature short-time multi-time drying and multi-time tempering effects, so that the quality of the wheat is not damaged, and the waist burst rate of the wheat is reduced. The wheat after the secondary tempering falls into a cooling bin 8 for cooling, when the wheat is fully cooled, the wheat falls into a grain unloading bin 9 for subsequent distribution, and the wheat which does not reach safe moisture can be conveyed to a bucket elevator 1 for drying again; the wheat reaching safe moisture can be packaged and stored.
The embodiments described above are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121749267.2U CN215295581U (en) | 2021-07-29 | 2021-07-29 | Wheat circulation drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121749267.2U CN215295581U (en) | 2021-07-29 | 2021-07-29 | Wheat circulation drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215295581U true CN215295581U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121749267.2U Expired - Fee Related CN215295581U (en) | 2021-07-29 | 2021-07-29 | Wheat circulation drying device |
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| Country | Link |
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| CN (1) | CN215295581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118189610A (en) * | 2024-03-12 | 2024-06-14 | 潍柴雷沃智慧农业科技股份有限公司 | A control method, device and equipment for preventing grain unloading motor of dryer from overloading |
-
2021
- 2021-07-29 CN CN202121749267.2U patent/CN215295581U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118189610A (en) * | 2024-03-12 | 2024-06-14 | 潍柴雷沃智慧农业科技股份有限公司 | A control method, device and equipment for preventing grain unloading motor of dryer from overloading |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |