CN103340066A - Positive-negative pressure ventilation drying cylindrical silo and drying method - Google Patents
Positive-negative pressure ventilation drying cylindrical silo and drying method Download PDFInfo
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- CN103340066A CN103340066A CN2013103050154A CN201310305015A CN103340066A CN 103340066 A CN103340066 A CN 103340066A CN 2013103050154 A CN2013103050154 A CN 2013103050154A CN 201310305015 A CN201310305015 A CN 201310305015A CN 103340066 A CN103340066 A CN 103340066A
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Abstract
The invention relates to a positive-negative pressure ventilation drying cylindrical silo. Currently, a dryer is widely used for drying. However, according to the drying method of the dryer, the energy consumption is large, cost is high, the mechanical damage to rice after drying is large, the breaking rate is increased, the quality is poor, the head rice rate is reduced, the taste is poor, and the processing quality and the edible quality of rice are effectively influenced. A main body silo and a matched applicable device which are capable of drying a grain layer through the natural wind and the low temperature in a ventilating mode are designed to solve the problems. The positive-negative pressure ventilation drying cylindrical silo comprises a silo ceiling (1), a silo body (2) connected with the silo ceiling (1), a base (3) connected with the silo body, externally looped ventilation cages (4) fixed on the inner wall of the cylindrical silo, a central ventilation cage (5) installed in the cylindrical silo, wherein the external annular ventilation cages are evenly distributed in an annular shape. The ventilation cages comprise the externally looped ventilation cages and the central ventilation cage, wherein the externally looped ventilation cages and the central ventilation cage are respectively connected with a fan (6). A positive-pressure drying mode or a negative-pressure drying mode is used for achieving mechanical ventilation drying of grain.
Description
Technical field
The present invention relates to a kind of positive negative pressure aeration-drying silo, realize the mechanical ventilation drying of grain by the mode of using positive pressuring drying or negative pressure drying.
Background technology
Grain drying is the important content of grain reserves link, has only the grain with high-moisture to be reduced to safe moisture, could long term storage.At present, use drier, use more extensive.But its energy consumption for drying is big, expense is high, baking back paddy mechanical damage is big, fracture rate increases, quality variation, and head rice rate reduces, and mouthfeel is poor, has a strong impact on paddy processing and eating quality.At present present situation, the spy has developed a kind of natural wind low temperature that utilizes with regard to the main body storehouse type of storehouse aeration-drying and supporting suitable device in the grain layer.
Summary of the invention
The positive negative pressure aeration-drying silo that the purpose of this invention is to provide a kind of vertical pipe type ventilation arrangement form of novel ventilated road, by positive negative pressure mode, utilize moisture absorption that the natural seasoning air self exists and temperature adjustment potential and grain equilibrium water conten principle that the grain surface moisture is separated out fast, take away moisture by dry air, simultaneously, also can be by positive draft, reverse precipitation makes precipitation even.
The object of the present invention is achieved like this:
A kind of positive negative pressure aeration-drying silo, its composition comprises: Cang Ding, described Cang Ding connects the storehouse body, with described storehouse body connection basis, the ventilation cage that outer shroud is fixedly arranged on the described silo inwall, the ventilation cage annular of described outer shroud evenly distributes, and the ventilation cage at center is housed in the described silo, and described ventilation cage connects blower fan.
Described positive negative pressure aeration-drying silo, the ventilation cage of described outer shroud are semicircle, and plane one side of described semicircle is in described warehouse inwall one side.
Described positive negative pressure aeration-drying silo, the ventilation cage at described center comprises one group of ventilation duct, described ventilation duct is the 1-30 root, described ventilation duct distributes ringwise, described ventilation duct is joined in the bottom of described silo, and the number of rings of described ventilation duct annular spread is the 1-4 ring, perhaps is 1 central ventilation pipe, the ventilation duct wind direction difference of adjacent number of rings, the adjacent number of rings of air inlet ventilation pipe be the air-out ventilation duct.
Described positive negative pressure aeration-drying silo, described ventilation cage bottom connects compiles ring, the described air outlet that ring connects described blower fan, the described air inlet that compiles the described blower fan of ring connection during negative pressure work of compiling when malleation is worked.
Described positive negative pressure aeration-drying silo, the ventilation cage height at described center are lower than described storehouse mouthful 2-5 rice on one's body.
Described positive negative pressure aeration-drying silo, described outer shroud ventilation cage bottom are deep into the bottom of silo and have the control mouth of air intake/air-out.
Described positive negative pressure aeration-drying silo, the outlet of described blower fan has the air draft pipeline, and described air draft pipeline is connected in the described sedimentation interlayer.
Described positive negative pressure aeration-drying silo is equipped with wind position leveling valve in the ventilation duct of the ventilation cage at described center, described adjustment valve is connected with adjustment valve altitude control equipment, and described basis is taper.Described height adjusting valve is for charging and discharging the air bag of gas, and described air bag top has the Height Adjustment rope band.
A kind of exhaust ventilation method of above-mentioned dry silo, the silo of at first damp grain being packed into, gravity-flow ventilation mouth through outer shroud ventilation cage bottom wind control mouth or Cang Ding is the ventilating opening of turnover wind, and air inlet is linked to each other the unlatching blower fan with the ring that compiles of ventilation cage bottom, dry air, enter in the storehouse, pass damp grain, grain moisture content is taken away, be collected to through the central ventilation cage and compile ring, the air outlet through blower fan enters the sedimentation interlayer then.
10. the positive draft method of an above-mentioned dry silo, the silo of at first damp grain being packed into through the gravity-flow ventilation mouth of outer shroud ventilation cage bottom wind control mouthful or the Cang Ding ventilating opening for turnover wind, links to each other the ring that compiles of fan outlet and ventilation cage bottom; Open blower fan, dry air by blower fan through compile ring, the center ring ventilation duct enters and passes damp grain layer and enters into outer shroud ventilation cage, simultaneously moisture is taken away; Malaria advances through the gravity-flow ventilation mouth of Cang Ding or through outer shroud ventilation cage bottom/air-out control mouth, enters atmosphere.
Beneficial effect
1, the present invention adopts the positive and negative pressure drying generator that alternately ventilates, and stores silo after thoroughly having changed traditional mechanical drying machine drying, and need periodically deliver from godown is transported to the mode that dryer carries out mechanical tumble dry repeatedly.Drying effect is significantly better than traditional drying mode, and negative pressure drying is conducive to moisture in the grain grain, and portion precipitate into the surface from the grain intragranular, thereby the air that is dried is easily taken away.The positive pressuring drying wind direction is opposite with negative pressure drying, is conducive to reduce the gradation of moisture problem that is produced by unidirectional ventilation, makes moisture more even.
2, the ventilation cage of outer shroud is semicircle, is easy to be fixed on the bulkhead, and simultaneously, ventilation cage and bulkhead can not produce the angle less than 90 °, can not press from both sides to store up grain.
Often the grain layer was blocked up when 3, grain during procedure of storing grain was dry, and air intake place grain is too dry, air draft place, and moisture is excessive, has the problem of the gradation of moisture.Central ventilation pipe ring shape distributes and can reduce depth of grain layer by adjusting annular diameter and the number of plies, reaches best dewatering effect.
4, ventilation cage bottom is provided with and compiles ring, can reduce the blower fan usage quantity, makes each ventilation duct turnover wind even simultaneously.
5, the central ventilation cage is lower than storehouse mouth on one's body, and all paths can keep evenly avoiding top the ventilation short circuit phenomenon to occur when ventilating.
6, outer shroud ventilation cage is deep into the warehouse bottom, can operate air intake/air outlet on ground, has removed the operating process of climbing Cang Ding from.
7, the silo basis is fixed with knee wall, with the interlayer of the two walls expansion chamber as dust, the humid air of dust-laden is entered, and can play the depositing dust effect, reduces dust to the pollution of environment.
8, when interior grain is not filled, the ventilation cage at center directly contacts with the storehouse upper space, forms short circuit during ventilation.The adjustment valve is installed is avoided the generation of short circuit phenomenon according to the Height Adjustment ventilation duct effective length of grain face.
9, because being distributed with the central ventilation pipe in the storehouse, flat-bottom bin is put out cereal difficult, and basic under the storehouse grain all flows automatically in the storehouse for taper can make.
Description of drawings:
Accompanying drawing 1 is the structural representation of the dry silo of exhaust ventilation) flow direction of arrow and wind is relevant among the figure.
Accompanying drawing 2 is vertical view direction structure wind direction schematic diagrames of accompanying drawing 1.
Accompanying drawing 3 is schematic diagrames of the dry silo of positive draft.
Accompanying drawing 4 is vertical view direction wind direction schematic diagrames of accompanying drawing 3.
The specific embodiment of the present invention:
Embodiment 1:
A kind of positive negative pressure aeration-drying silo, its composition comprises: top, storehouse 1, the storehouse body 2 that is connected with described Cang Ding, with described storehouse body connection basis 3, the ventilation cage 4 that outer shroud is fixedly arranged on the described silo inwall, the ventilation cage annular of described outer shroud evenly distributes, the ventilation cage 5 at center is housed in the described silo, and described ventilation cage comprises that the ventilation cage of outer shroud and the ventilation cage at described center all are connected blower fan 6.
Embodiment 2:
Embodiment 1Described positive negative pressure aeration-drying silo, the cross section of every ventilation duct of the ventilation cage of described outer shroud are semicircle, and plane one side of described semicircle is attached on the described warehouse inwall, namely is positioned at warehouse inwall one side, can not press from both sides grain.
Embodiment 3:
Embodiment 1 or 2Described positive negative pressure aeration-drying silo, the ventilation cage at described center comprises one group of ventilation duct 7, described ventilation duct is the 1-30 root, described ventilation duct distributes ringwise, and described ventilation duct converges in the bottom of described silo, and the number of rings of described ventilation duct annular spread is the 1-4 ring, depth of grain layer is little also can only to be 1 central ventilation pipe, guarantee that depth of grain layer is not more than 4 meters, the ventilation duct wind direction difference of adjacent number of rings, what be positioned at the adjacent number of rings of air inlet ventilation pipe is the air-out ventilation duct.
Embodiment 4:
Embodiment 1 or 2 or 3Described positive negative pressure aeration-drying silo, described ventilation cage bottom connects compiles ring 8, the described air outlet that ring connects described blower fan, the described air inlet that compiles the described blower fan of ring connection during negative pressure work of compiling when malleation is worked.
Embodiment 5:
Embodiment 1 or 2 or 3 or 4Described positive negative pressure aeration-drying silo, the ventilation cage height at described center are lower than described storehouse mouthful 2-5 rice on one's body.To guarantee corresponding technological requirement.
Embodiment 6:
Embodiment 1 or 2 or 3 or 4 or 5Described positive negative pressure aeration-drying silo, described outer shroud ventilation cage bottom is deep into the bottom of silo, and has the control mouth 9 of air intake/air-out, and the bottom of described outer shroud ventilation cage bottom and silo is fixed.
Embodiment 7:
Embodiment 1 or 2 or 3 or 4 or 5 Or 6 described positive negative pressure aeration-drying silos, the outlet of described blower fan has the air draft pipeline, and described air draft pipeline is connected in the described sedimentation interlayer 10, and the air intake pipeline of air draft pipeline and blower fan separates with dividing wall 11, avoids moisture to enter air inlet.
Embodiment 8:
Embodiment 1 or 2 or 3 or 4 or 5 Or 6 or 7 described positive negative pressure aeration-drying silo, wind position leveling valve 12 is installed in the ventilation duct of the ventilation cage at described center, described adjustment valve is connected with adjustment valve altitude control equipment, adjusting the valve altitude control equipment can be manually to heighten, and also can heighten by the central control board Long-distance Control.Described basis is taper.
Embodiment 9:
Embodiment 1 or 2 or 3 or 4 or 5Or the exhaust ventilation method of 6 or 7 described dry silos, the silo of at first damp grain being packed into, gravity-flow ventilation mouth 13 through outer shroud ventilation cage bottom wind control mouth or Cang Ding is the ventilating opening of turnover wind, and air inlet is linked to each other the unlatching blower fan with the ring that compiles of ventilation cage bottom, dry air, enter in the storehouse, pass damp grain, grain moisture content is taken away, be collected to through the central ventilation cage and compile ring, the air outlet through blower fan enters the sedimentation interlayer then.When ventilation cage in center is made up of the ventilation duct of a plurality of annular array, the ventilation duct of adjacent number of rings turnover wind direction difference, for example the 1st, 3,5 rings are blast pipe, 2,4,6 rings are discharge pipe.
Embodiment 10:
Embodiment 1 or 2 or 3 or 4 or 5Or the positive draft method of 6 or 7 described dry silos, the silo of at first damp grain being packed into through the gravity-flow ventilation mouth of outer shroud ventilation cage bottom wind control mouthful or the Cang Ding ventilating opening for turnover wind, links to each other the ring that compiles of fan outlet and ventilation cage bottom; Open blower fan, dry air by blower fan through compile ring, the center ring ventilation duct enters and passes damp grain layer and enters into outer shroud ventilation cage, simultaneously moisture is taken away; Malaria advances through the gravity-flow ventilation mouth of Cang Ding or through outer shroud ventilation cage bottom/air-out control mouth, enters atmosphere.
Embodiment 11:
Embodiment 1 or 2 or 3 or 4 or 5Or the negative pressure of 6 or 7 described dry silos, exhaust ventilation method, malleation and negative pressure are alternately ventilated, and ventilate 2,3,4,5,6,7,8,9 or 10 days according to embodiment 10, press embodiment 11 ventilations 2,3,4,5,6,7,8,9 or 10 days again.
Claims (10)
1. positive negative pressure aeration-drying silo, its composition comprises: silo, it is characterized in that: described silo comprises Cang Ding, the storehouse body that is connected with described Cang Ding, with described storehouse body connection basis, the ventilation cage that outer shroud is fixedly arranged on the described silo inwall, the ventilation cage annular of described outer shroud evenly distributes, and the ventilation cage at center is housed in the described silo, and described ventilation cage connects blower fan.
2. positive negative pressure aeration-drying silo according to claim 1 is characterized in that: the ventilation cage of described outer shroud is for semicircle, and plane one side of described semicircle is in described warehouse inwall one side.
3. positive negative pressure aeration-drying silo according to claim 1 and 2, it is characterized in that: the ventilation cage at described center comprises one group of ventilation duct, described ventilation duct is the 1-30 root, described ventilation duct distributes ringwise, described ventilation duct is joined in the bottom of described silo, and the number of rings of described ventilation duct annular spread is the 1-4 ring, perhaps is 1 central ventilation pipe, the ventilation duct wind direction difference of adjacent number of rings, the adjacent number of rings of air inlet ventilation pipe be the air-out ventilation duct.
4. according to claim 1 or 2 or 3 described positive negative pressure aeration-drying silos, it is characterized in that: described ventilation cage bottom connects compiles ring, the described air outlet that compiles the described blower fan of ring connection during malleation work, described compiling encircled the air inlet that connects described blower fan during negative pressure work.
5. according to claim 1 or 2 or 3 or 4 described positive negative pressure aeration-drying silos, it is characterized in that: the ventilation cage height at described center is lower than described storehouse mouthful 2-5 rice on one's body.
6. according to claim 1 or 2 or 3 or 4 or 5 described positive negative pressure aeration-drying silos, it is characterized in that: described outer shroud ventilation cage bottom is deep into the bottom of silo and has the control mouth of air intake/air-out.
7. according to claim 1 or 2 or 3 or 4 or 5 or 6 described positive negative pressure aeration-drying silos, it is characterized in that: the outlet of described blower fan has the air draft pipeline, and described air draft pipeline is connected in the described sedimentation interlayer.
8. according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 described positive negative pressure aeration-drying silos, it is characterized in that: wind position leveling valve is installed in the ventilation duct of the ventilation cage at described center, described adjustment valve is connected with adjustment valve altitude control equipment, described basis is taper, described height adjusting valve is for charging and discharging the air bag of gas, and described air bag top has the Height Adjustment rope band.
9. exhaust ventilation method with the damp grain silo of packing into, is characterized in that: the gravity-flow ventilation mouth through outer shroud ventilation cage bottom air intake/air-out control mouthful or Cang Ding ventilates, and the ring that compiles of air inlet and ventilation cage bottom is linked to each other.Open blower fan, dry air enters in the storehouse, passes damp grain, and grain moisture content is taken away, and is collected to through the central ventilation cage and compiles ring, and the air outlet through blower fan enters the sedimentation interlayer then.
10. positive draft method with the damp grain silo of packing into, is characterized in that: through outer shroud ventilation cage bottom air intake/air-out control mouthful, and perhaps top, storehouse gravity-flow ventilation mouth air intake; Fan outlet is linked to each other with the ring that compiles of ventilation cage bottom; Open blower fan, through compiling ring, the center ring ventilation duct enters and passes damp grain layer and enters into outer shroud ventilation cage dry air, simultaneously moisture is taken away by blower fan; Malaria advances through the gravity-flow ventilation mouth of Cang Ding or through outer shroud ventilation cage bottom/air-out control mouth, enters atmosphere.
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| CN2013103050154A CN103340066A (en) | 2013-07-19 | 2013-07-19 | Positive-negative pressure ventilation drying cylindrical silo and drying method |
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| CN2013103050154A CN103340066A (en) | 2013-07-19 | 2013-07-19 | Positive-negative pressure ventilation drying cylindrical silo and drying method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104871747A (en) * | 2015-05-29 | 2015-09-02 | 张家港市双灵制冷设备有限公司 | Low-temperature grain storage method for low-temperature barn |
| CN105644981A (en) * | 2016-03-19 | 2016-06-08 | 庆阳中庆农产品有限公司 | Melon seed kernel storage tank |
| CN105993422A (en) * | 2016-07-05 | 2016-10-12 | 江西省农业科学院农产品加工研究所 | Cereal baking and storing as well as regulating integrated barn provided with air boxes internally and interlayer externally |
| CN106839684A (en) * | 2017-04-12 | 2017-06-13 | 河南工业大学 | A kind of radial direction warm air peanut dryness storehouse |
| CN106954437A (en) * | 2017-04-06 | 2017-07-18 | 河南工业大学 | A kind of method of water conservation temperature control grain storage |
| CN107750676A (en) * | 2017-11-20 | 2018-03-06 | 四川潮丰粮油有限责任公司 | A kind of graininess agricultural product store chamber structure |
| CN107969232A (en) * | 2017-11-20 | 2018-05-01 | 四川潮丰粮油有限责任公司 | A kind of modified storing unit of cereals crops |
| CN108184450A (en) * | 2018-03-19 | 2018-06-22 | 河南工业大学 | Major diameter vertical silo aeration cooling system and method |
| CN108729665A (en) * | 2018-05-25 | 2018-11-02 | 五冶集团上海有限公司 | Cool down ventilation device between a kind of double barrel wall climbing form barrel |
| CN109699317A (en) * | 2019-03-04 | 2019-05-03 | 河南未来机电工程有限公司 | Silo radial ventilation system and method for ventilation |
| CN111656972A (en) * | 2020-06-17 | 2020-09-15 | 山东省农业机械科学研究院 | Corn ear ventilation drying storage device and method |
| CN114916323A (en) * | 2022-05-11 | 2022-08-19 | 乔晓民 | Agricultural breathable grain wheat storage device and method |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104871747A (en) * | 2015-05-29 | 2015-09-02 | 张家港市双灵制冷设备有限公司 | Low-temperature grain storage method for low-temperature barn |
| CN105644981A (en) * | 2016-03-19 | 2016-06-08 | 庆阳中庆农产品有限公司 | Melon seed kernel storage tank |
| CN105993422A (en) * | 2016-07-05 | 2016-10-12 | 江西省农业科学院农产品加工研究所 | Cereal baking and storing as well as regulating integrated barn provided with air boxes internally and interlayer externally |
| CN106954437B (en) * | 2017-04-06 | 2019-11-08 | 河南工业大学 | A method of water conservation temperature control grain storage |
| CN106954437A (en) * | 2017-04-06 | 2017-07-18 | 河南工业大学 | A kind of method of water conservation temperature control grain storage |
| CN106839684A (en) * | 2017-04-12 | 2017-06-13 | 河南工业大学 | A kind of radial direction warm air peanut dryness storehouse |
| CN107750676B (en) * | 2017-11-20 | 2020-07-28 | 敏达环保科技（嘉兴）有限公司 | Storehouse structure is stored to graininess agricultural product |
| CN107969232A (en) * | 2017-11-20 | 2018-05-01 | 四川潮丰粮油有限责任公司 | A kind of modified storing unit of cereals crops |
| CN107969232B (en) * | 2017-11-20 | 2020-07-24 | 霍邱县鑫鼎工贸有限责任公司 | Improved storage device for cereal crops |
| CN107750676A (en) * | 2017-11-20 | 2018-03-06 | 四川潮丰粮油有限责任公司 | A kind of graininess agricultural product store chamber structure |
| CN108184450A (en) * | 2018-03-19 | 2018-06-22 | 河南工业大学 | Major diameter vertical silo aeration cooling system and method |
| CN108184450B (en) * | 2018-03-19 | 2024-04-09 | 河南工业大学 | Ventilating and cooling system and method for large-diameter vertical silo |
| CN108729665A (en) * | 2018-05-25 | 2018-11-02 | 五冶集团上海有限公司 | Cool down ventilation device between a kind of double barrel wall climbing form barrel |
| CN109699317A (en) * | 2019-03-04 | 2019-05-03 | 河南未来机电工程有限公司 | Silo radial ventilation system and method for ventilation |
| CN111656972A (en) * | 2020-06-17 | 2020-09-15 | 山东省农业机械科学研究院 | Corn ear ventilation drying storage device and method |
| CN114916323A (en) * | 2022-05-11 | 2022-08-19 | 乔晓民 | Agricultural breathable grain wheat storage device and method |
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