CN105917872B - Cross current ventilation unit - Google Patents
Cross current ventilation unit Download PDFInfo
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- CN105917872B CN105917872B CN201610259887.5A CN201610259887A CN105917872B CN 105917872 B CN105917872 B CN 105917872B CN 201610259887 A CN201610259887 A CN 201610259887A CN 105917872 B CN105917872 B CN 105917872B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
- A01F25/16—Arrangements in forage silos
- A01F25/22—Ventilating arrangements
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Abstract
The invention discloses a kind of cross current ventilation unit, including：Two horizontal main air ducts, its horizontal symmetrical are arranged on the lower inside of the face wall of silo two；Two ventilating openings, it is symmetricly set on the outside of wall, and ventilating opening is connected by the side of wall by wall pipe with the middle part of horizontal main air duct, and opposite side is provided with the hermatic door controlled by air port actuator；Multiple vertical air plenums, its vertical symmetry are arranged on the top of horizontal main air duct and communicated therewith, and vertical air plenums are provided with the first perforate；Two vertical circulation pipelines, its vertical symmetry are arranged on the top of ventilating opening and communicated therewith；Cross current pipeline, its one end and a vertical circulation pipeline communication, the other end pass through circulation fan and another vertical circulation pipeline communication；Blower fan, it is located at the inside with the ventilating opening of circulation fan homonymy；Air valve；Switch board, it is electrically connected with air valve, blower fan, circulation fan and air port actuator.The present invention has the advantages that simple in construction, automaticity is high, and using effect is good.
Description
Technical field
The present invention relates to Grain Ventilation apparatus field.A kind of it is more particularly related to cross current ventilation unit.
Background technology
Guarantor's grain technology that mechanical ventilation in grain storage is grain storage or grain reserves industry is commonly used, refers to certain condition
Ambient atmos pass through grain layer under pressure differential effect caused by ventilation blower along the space in grain heap, so as to change gas in grain heap
The parameter of medium, adjustment grain heap temperature, humidity etc., reaching makes grain security store or improve the purpose of processing technology quality.Mesh
The force ventilation overwhelming majority of preceding China's foodstuff preservation industry all employ air stream it is enterprising or under enter the vertical ventilation technology of formula,
This technology is in the presence of deposit rotation logistics efficiency is low, ventilation percentage of water loss is serious, controlled atmosphere lack of uniformity, daily keeping are fumigated in cooling
The shortcomings of amount of labour is big, working service cost is high.Transversal ventilation technology is nearly 2 years, is lacked overcoming existing for vertical ventilation technology
On the basis of point, for the newly-increased grain reserves of country, ensure that " grain peace engineering " is smoothly implemented and promote the transition of grain storage technology
Upgrade and research and develop.
Number of patent application：200910085093.1 disclose a kind of granary lateral circulation method of ventilation and its system, the hair
It is bright that transversal ventilation is carried out to whole storehouse grain heap by installing ventilating duct on wall on the inside of the silo of grain face gland sealing film, its
Ventilating duct air channel quantity is few, and for intake path than small, Uniform Ventilation is good, and almost without dead corner, drafting efficiency is high, energy consumption
It is low.Number of patent application：201420741745.9 disclosing a kind of cross current ventilating system, it includes silo, main air duct and branch
Air channel, silo are closed structure, and main air duct horizontal symmetrical is arranged on the bottom on the inside of the both walls of silo face, erected on main air duct
Multiple coupled logical branch air ducts are directly provided with, there is uniform air vent on branch air duct, being equipped between the main air duct of both sides will
The two circulating line for being connected together, blower fan, the granary lateral ring that the utility model solves well are housed on circulating line
The problem of stream is stifling, good disinsection effect.Number of patent application：201420741806.1 disclosing a kind of transversal ventilation road, it includes
Main air duct and branch air duct, main air duct horizontal symmetrical are arranged on the lower inside of the both walls of silo face, set vertically on main air duct
Multiple coupled logical branch air ducts are equipped with, have uniform air vent on branch air duct, inside and outside insertion is provided with described side wall
Air port, air port are connected with main air duct；Air inlet (or air outlet) place that described main air duct is connected with air port, in main air duct
Deflector is provided with inwall；At least one shoot door is provided with described main air duct, what the utility model solved well
The problem of granary lateral is divulged information.But, it is necessary to manually open blower fan in the ventilating system of above-mentioned patent, and by changing blower fan
Transversal ventilation or the cross current ventilation of silo are realized with the connected mode of ventilation shaft, automaticity is low, and labor intensity is big,
It is difficult to the intelligent control requirement for meeting modernization, and in the ventilating system of above-mentioned patent, only in the case where grain is bought securities with all one's capital
Laterally homogeneous ventilation could be realized, it is impossible to realize the laterally homogeneous ventilation in the case of divulging information or not buying securities with all one's capital in binning.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of cross current ventilation unit, the device need not change blower fan and ventilation
The connected mode of pipeline, it is the free switching for the transversal ventilation or cross current ventilation that silo can be achieved by switch board, automatically
Change degree is high, and labor intensity is low, and drafting efficiency is high, uniformity is good.
It is a still further object of the present invention to provide a kind of cross current ventilation unit, is separated by being installed on vertical air plenums
Valve, realize the laterally homogeneous ventilation in the case of divulging information or not buying securities with all one's capital in binning.
In order to realize according to object of the present invention and further advantage, there is provided a kind of cross current ventilation unit, bag
Include：
Two horizontal main air ducts, its horizontal symmetrical are arranged on the lower inside of the wall of the face of silo two；
Two ventilating openings, it is symmetricly set on the outer lower portion of the wall, and any ventilating opening is hollow for left and right insertion
Structure, any ventilating opening are connected by the side of wall by wall pipe with the middle part face of horizontal main air duct, and opposite side is provided with by wind
The hermatic door of mouth actuator control；
Multiple vertical air plenums, its vertical symmetry are arranged on the top of described two horizontal main air ducts, any vertical air plenums
Bottom connects with the top of horizontal main air duct, and any vertical air plenums are provided with the first perforate；
Two vertical circulation pipelines, its vertical symmetry are arranged on the top of described two ventilating openings, any perpendicular rings flow tube
The bottom in road connects with the ventilating opening；
Cross current pipeline, it is horizontally set on the inner upper of silo, and one end of the cross current pipeline is hung down with one
Straight circulating line connection, the other end pass through circulation fan and another vertical circulation pipeline communication；
Blower fan, it is located at the inside with the ventilating opening of the circulation fan homonymy, the air inlet of the blower fan and institute
State the closed connection of wall pipe；
Air valve, it is located on the vertical circulation pipeline being connected with the circulation fan；And
Switch board, it is located at the outside of silo, and the switch board performs with the air valve, blower fan, circulation fan and air port
Device electrically connects.
Preferably, described cross current ventilation unit, in addition to：Multigroup isolating valve, it is disposed on described hang down
On straight air channel, any isolating valve, includes：Rotating shaft, it is through the vertical air plenums and is horizontally disposed with；Gravity separates valve plate, and it is with hanging down
Rotating shaft inside straight air channel is fixedly connected, and the shapes and sizes of gravity the cut-off valve plate and the vertical air plenums are adapted；Weight
Power rotating shaft handle, it is fixedly connected with the end of the rotating shaft, and the gravity rotating shaft handle and gravity cut-off valve plate
Gravity vertical overlaps.
Preferably, described cross current ventilation unit, in addition to, two groups of deflectors, deflector is arc, and it is perpendicular
The inside of the horizontal main air duct is directly arranged on, any one group of deflector includes two pieces of deflectors, and it is main with the level respectively
The inwall connection composition prism class in air channel, and any one group of deflector is set with the ventilating opening face.
Preferably, described cross current ventilation unit, in addition to, seal groove, it is located above the heap grain line of silo
At 50-1000mm, the seal groove is horizontally disposed with, and inner side of its both ends respectively with the wall is connected.
Preferably, described cross current ventilation unit, in addition to, Temperature Humidity Sensor, it is located inside silo, institute
Temperature Humidity Sensor is stated to electrically connect with the switch board.
Preferably, described cross current ventilation unit, the horizontal main air duct are laid along wall, the horizontal main air duct
Upper surface tilt down setting and with the wall formed 120 ° of -150 ° of angles of cut；The vertical air plenums are laid along wall, its upper end
Less than the heap grain line of silo, the upper surface of the vertical air plenums tilts down setting and it forms 120 ° with the wall
- 150 ° of angles of cut.
Preferably, described cross current ventilation unit, first perforate are longitudinal bar hole, first perforate
Percent opening be more than 30%, bore size is limited with not grain leakage.
Preferably, described cross current ventilation unit, the horizontal main air duct are provided with the second perforate, and described second
Perforate is longitudinal bar hole, and the percent opening of second perforate is less than 30%, and bore size is limited with not grain leakage.
Preferably, described cross current ventilation unit, the circulation fan and the blower fan be arranged on silo to
Sunny side, the air inlet of the circulation fan and another vertical circulation pipeline communication, air outlet and the cross current pipeline
Connection.
Preferably, described cross current ventilation unit, the ventilating opening, air valve, vertical circulation pipeline, cross current
The outside of pipeline and circulation fan is equipped with heat-insulation layer.
The present invention comprises at least following beneficial effect：
Firstth, by the way that the horizontal main air duct and vertical air plenums of transversal ventilation will be realized, and the transverse direction of circulation ventilation is realized
Circulating line is connected with vertical circulation pipeline by ventilating opening, and the sealing controlled by air port actuator is set in the opposite side of ventilating opening
Door, makes the device both to realize transversal ventilation, can realize that cross current is divulged information again；Blower fan, air valve and circulation fan homonymy are set
Put, make the drafting efficiency of the device high, Uniform Ventilation is good；Set in the outside of silo and air valve, blower fan, circulation fan and air port
The switch board that actuator electrically connects, the device is set to realize transversal ventilation by switch board control according to the situation inside silo
With the automatic switchover of cross current ventilation, automaticity is high, and labor intensity is low；
Secondth, by installing isolating valve, on vertical air plenums, wind inside air channel is avoided from the less vertical air plenums of windage
Top is discharged, and realizes the laterally homogeneous ventilation in grain heap in the case of divulging information or not buying securities with all one's capital in binning；
3rd, by setting arc deflector, make to shunt in the presence of deflector from the wind that ventilating opening enters, make the dress
The Uniform Ventilation put is more preferable, and drafting efficiency is higher；
4th, by setting seal groove in the top of heap grain line, the air-tightness of grain heap, insulation can be improved, reduce grain
The consumption of drinking water point, while avoid in ventilation process, wind overflows above grain heap, causes drafting efficiency to reduce, that is, improves logical
Wind efficiency and Uniform Ventilation；
5th, can be automatic by the humiture information detected by setting the Temperature Humidity Sensor electrically connected with switch board
Switch board is passed to, switch board makes the control of the device more intelligent further according to humiture information adjust automatically draft type；
6th, cross current ventilation unit of the invention is simple in construction, and automaticity is high, and using effect is good, both can be real
Existing transversal ventilation, is cooled to grain heap, is dehumidified, is divulged information, and can realize that cross current is divulged information again, and samming is carried out to grain heap, is fumigated,
Market prospects are good.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation of apparatus of the present invention transversal ventilation state；
Fig. 2 is the structural representation of apparatus of the present invention cross current ventilation state；
Fig. 3 is the top view of apparatus of the present invention；
Fig. 4 is the side view of apparatus of the present invention.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, to make those skilled in the art's reference
Specification word can be implemented according to this.
It should be noted that experimental method described in following embodiments, is conventional method unless otherwise specified, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained；In the description of the invention, term " transverse direction ", " vertical
To ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", the instruction such as " outer " side
Position or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of the description present invention and simplify description,
It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, because
This is not considered as limiting the invention.
As Figure 1-4, the present invention provides a kind of cross current ventilation unit, including：
Two horizontal main air ducts 1, its horizontal symmetrical are arranged on the lower inside of the wall 0 of the face of silo two；
Two ventilating openings 2, it is symmetricly set on the outer lower portion of the wall 0, and any ventilating opening 2 is in the insertion of left and right
Hollow structure, any ventilating opening 2 are connected by the side of wall by wall pipe 21 with the middle part face of horizontal main air duct 1, and opposite side is set
There is the hermatic door 23 controlled by air port actuator 22；
Multiple vertical air plenums 3, its vertical symmetry are arranged on the top of described two horizontal main air ducts 1, any vertical air plenums 3
Bottom connected with the top of horizontal main air duct 1, any vertical air plenums 3 are provided with the first perforate (not shown)；
Two vertical circulation pipelines 4, its vertical symmetry are arranged on the top of described two ventilating openings 2, any vertical circulation
The bottom of pipeline 4 connects with the ventilating opening 2；
Cross current pipeline 5, it is horizontally set on the inner upper of silo, one end and one of the cross current pipeline 5
Vertical circulation pipeline 4 is connected, and the other end is connected by circulation fan 51 with another vertical circulation pipeline 4；
Blower fan 24, it is located at the inside with the ventilating opening 2 of the homonymy of circulation fan 51, the air intake of the blower fan 24
Mouthful with the wall pipe 21 is closed connects；
Air valve 41, it is located on the vertical circulation pipeline 4 being connected with the circulation fan 51；And
Switch board (not shown), it is located at the outside of silo, the switch board and the air valve 41, blower fan 24, circulation wind
Machine 51 and air port actuator 22 electrically connect.
In another technical scheme, described cross current ventilation unit, in addition to：Multigroup isolating valve, 31, its interval are set
Put on the vertical air plenums 3, any isolating valve, includes：Rotating shaft (not shown), it sets through the vertical air plenums 3 and level
Put；Gravity separates valve plate (not shown), and it is fixedly connected with the rotating shaft inside vertical air plenums 3, the gravity cut-off valve plate and institute
The shapes and sizes for stating vertical air plenums 3 are adapted；Gravity rotating shaft handle (not shown), the end of itself and the rotating shaft, which is fixed, to be connected
Connect, and the gravity rotating shaft handle overlaps with the gravity vertical of gravity cut-off valve plate., can before loading terminates but does not buy securities with all one's capital
By the nearest gravity rotating shaft handle in lower section of the manual rotation away from grain heap surface, place gravity isolating valve, plate level, cut-off hangs down
Straight air channel, so that the wind in vertical air plenums realizes laterally homogeneous ventilation from the first perforate discharge below gravity cut-off valve plate；
When loading again, the gravity rotating shaft handle nearest by manually rotating the lower section away from grain heap surface again, make gravity isolating valve,
Plate is placed vertically, vertical air plenums connection；Repeat the above steps, until silo is bought securities with all one's capital；By on vertical air plenums it is multigroup installation every
Disconnected valve, realizes the laterally homogeneous ventilation in grain heap in the case of divulging information or not buying securities with all one's capital in binning.
In another technical scheme, described cross current ventilation unit, in addition to, two groups of deflectors 11, deflector 11
For arc, it is vertically arranged in the inside of the horizontal main air duct 1, and any one group of deflector 11 includes two pieces of deflectors 11,
It is connected composition prism class, and any one group of deflector 11 and the ventilating opening 2 with the inwall of the horizontal main air duct 1 respectively
Face is set.The intrados of deflector is oppositely arranged with ventilating opening.By being set inside horizontal main air duct at face ventilating opening
Into the arc deflector of prism class arrangement, make to shunt in the presence of deflector from the wind that ventilating opening enters, make the present invention's
The Uniform Ventilation of device is more preferable, and drafting efficiency is higher.
In another technical scheme, described cross current ventilation unit, in addition to, seal groove 6, it is located at the heap of silo
At the top 50-1000mm of grain line 7, the seal groove 6 is horizontally disposed, and inner side of its both ends respectively with the wall 0 is connected.Pass through
Seal groove is set in the top of heap grain line, the consumption of the air-tightness, insulation, reduction grain moisture content of grain heap can be improved, simultaneously
Avoid in ventilation process, wind overflows above grain heap, causes drafting efficiency to reduce, that is, improves drafting efficiency and Uniform Ventilation
Property.
In another technical scheme, described cross current ventilation unit, in addition to, Temperature Humidity Sensor (not shown),
It is located inside silo, and the Temperature Humidity Sensor electrically connects with the switch board.By setting the temperature electrically connected with switch board
Humidity sensor, the humiture information detected can be automatically transferred to switch board, switch board is automatic further according to humiture information
Draft type is adjusted, makes the control of the device of the present invention more intelligent.
In another technical scheme, described cross current ventilation unit, the horizontal main air duct 1 is laid along wall, described
The upper surface of horizontal main air duct 1 tilts down setting and forms 120 ° of -150 ° of angles of cut with the wall 0；The edge of vertical air plenums 3
Wall is laid, and its upper end is less than the heap grain line 7 of silo, and the upper surface of the vertical air plenums 3 tilts down setting and itself and the wall
Body forms 120 ° of -150 ° of angles of cut.By the way that the upper surface of horizontal main air duct and vertical air plenums to be tilted down to setting and itself and wall
Body 0 forms 120 ° of -150 ° of angles of cut, and grain can be avoided to be accumulated in the upper surface of horizontal main air duct and vertical air plenums, reduce level
The suffered pressure at right angle of main air duct and vertical air plenums, is easy to put out cereal.
In another technical scheme, described cross current ventilation unit, first perforate is longitudinal bar hole, described
The percent opening of first perforate is more than 30%, and bore size is limited with not grain leakage.Further, the percent opening of first perforate is
40-50%.By setting the first perforate, the laterally homogeneous ventilation between vertical air plenums is ensure that, while ensure in vertical air plenums not
Input.
In another technical scheme, described cross current ventilation unit, the horizontal main air duct is provided with the second perforate
(not shown), second perforate are longitudinal bar hole, and the percent opening of second perforate is less than 30%, and bore size is not to leak
Grain is limited.By setting the second perforate, the laterally homogeneous ventilation between horizontal main air duct is ensure that, is improved logical inside whole grain heap
The uniformity of wind, while ensure not enter grain in horizontal main air duct.
In another technical scheme, described cross current ventilation unit, the circulation fan 51 and the blower fan 24 are set
The sunny slope in silo is put, the air inlet of the circulation fan 51 connects with another vertical circulation pipeline 4, air outlet and institute
Cross current pipeline 5 is stated to connect.Circulation fan and blower fan are arranged on to the sunny slope of silo, the cold air of the silo back can be led
Enter inside silo, be more beneficial for the aeration-cooling of grain heap.
In another technical scheme, described cross current ventilation unit, the ventilating opening 2, air valve 41, perpendicular rings flow tube
The outside in road 4, cross current pipeline 5 and circulation fan 51 is equipped with heat-insulation layer.Set heat-insulation layer can insulation, meanwhile, also
Shielded to being arranged on the part outside silo, avoid corroding, air-tightness is improved, so as to improve apparatus of the present invention lateral loops
The drafting efficiency of circulation wind.
The present invention the course of work be：
Transversal ventilation：Control air port actuator to open hermatic door by switch board, close air valve, finally open blower fan,
In the presence of blower fan, the cold air outside silo enters horizontal main wind from the ventilating opening with blower fan opposite side by wall pipe
Road, and shunted in the presence of deflector, enter through the first perforate in the second perforate and vertical air plenums on horizontal main air duct
Grain heap, mixed with the damp-heat air inside grain heap, be horizontally through grain heap, then through being opened with first on the vertical air plenums of blower fan homonymy
Horizontal main air duct corresponding to the second perforate entrance on hole and horizontal main air duct, most the wall pipe through being connected with blower fan enters inlet air afterwards
Discharged after machine air inlet by air outlet, reach transversal ventilation, cooled, the purpose of dehumidifying；
Cross current is divulged information：Control air port actuator to close hermatic door by switch board, while open air valve, blower fan and ring
Flow fan, the air inside silo in the presence of blower fan, through with the first perforate on the vertical air plenums of blower fan homonymy and level
The second perforate on main air duct enter corresponding to horizontal main air duct, then wall pipe through being connected with blower fan is into after air inlet
Discharged by air outlet, then in the presence of circulation fan, the air of discharge pass through the vertical circulation pipeline that is connected with circulation fan according to
It is secondary to enter cross current pipeline, another vertical circulation pipeline, then enter again through the ventilating opening and wall pipe with blower fan opposite side
Enter inside silo, form cross current ventilation, reach and samming or stifling purpose are carried out to grain heap.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (8)
- A kind of 1. cross current ventilation unit, it is characterised in that including：Two horizontal main air ducts, its horizontal symmetrical are arranged on the lower inside of the wall of the face of silo two；Two ventilating openings, it is symmetricly set on the outer lower portion of the wall, and any ventilating opening is the hollow structure of left and right insertion, Any ventilating opening is connected by the side of wall by wall pipe with the middle part face of horizontal main air duct, and opposite side is provided with and performed by air port The hermatic door of device control；Multiple vertical air plenums, its vertical symmetry are arranged on the top of described two horizontal main air ducts, the bottom of any vertical air plenums Connected with the top of horizontal main air duct, any vertical air plenums are provided with the first perforate；Two vertical circulation pipelines, its vertical symmetry are arranged on the top of described two ventilating openings, any vertical circulation pipeline Bottom connects with the ventilating opening；Cross current pipeline, it is horizontally set on the inner upper of silo, one end and the perpendicular rings of the cross current pipeline Pipeline communication is flowed, the other end passes through circulation fan and another vertical circulation pipeline communication；Blower fan, it wears located at the inside with the ventilating opening of the circulation fan homonymy, the air inlet of the blower fan with described The closed connection of wall coil；Air valve, it is located on the vertical circulation pipeline being connected with the circulation fan；AndSwitch board, it is located at the outside of silo, the switch board and the air valve, blower fan, circulation fan and air port actuator electricity Connection；Also include：Multigroup isolating valve, it is disposed on the vertical air plenums, and any isolating valve, includes：Rotating shaft, it runs through institute State vertical air plenums and be horizontally disposed with；Gravity separates valve plate, and it is fixedly connected with the rotating shaft inside vertical air plenums, the gravity cut-off The shapes and sizes of valve plate and the vertical air plenums are adapted；Gravity rotating shaft handle, it is fixedly connected with the end of the rotating shaft, And the gravity rotating shaft handle overlaps with the gravity vertical of gravity cut-off valve plate；Also include, two groups of deflectors, deflector is arc, and it is vertically arranged in the inside of the horizontal main air duct, Ren Yiyi Group deflector includes two pieces of deflectors, and it is connected composition prism class, and any one with the inwall of the horizontal main air duct respectively Group deflector is set with the ventilating opening face.
- 2. cross current ventilation unit as claimed in claim 1, it is characterised in that also include, seal groove, it is located at silo Above heap grain line at 50-1000mm, the seal groove is horizontally disposed with, and inner side of its both ends respectively with the wall is connected.
- 3. cross current ventilation unit as claimed in claim 1, it is characterised in that also include, Temperature Humidity Sensor, it is located at Inside silo, the Temperature Humidity Sensor electrically connects with the switch board.
- 4. cross current ventilation unit as claimed in claim 1, it is characterised in that the horizontal main air duct is laid along wall, institute The upper surface for stating horizontal main air duct tilts down setting and forms 120 ° of -150 ° of angles of cut with the wall；The vertical air plenums edge Wall is laid, and its upper end is less than the heap grain line of silo, and the upper surface of the vertical air plenums tilts down setting and itself and the wall Form 120 ° of -150 ° of angles of cut.
- 5. cross current ventilation unit as claimed in claim 1, it is characterised in that first perforate is longitudinal bar hole, The percent opening of first perforate is more than 30%, and bore size is limited with not grain leakage.
- 6. cross current ventilation unit as claimed in claim 1, it is characterised in that the horizontal main air duct is opened provided with second Hole, second perforate are longitudinal bar hole, and the percent opening of second perforate is less than 30%, bore size using not grain leakage as Limit.
- 7. cross current ventilation unit as claimed in claim 1, it is characterised in that the circulation fan and the blower fan are set In the sunny slope of silo, the air inlet of the circulation fan and another vertical circulation pipeline communication, air outlet and the horizontal stroke Connected to circulating line.
- 8. cross current ventilation unit as claimed in claim 1, it is characterised in that the ventilating opening, air valve, perpendicular rings flow tube The outside in road, cross current pipeline and circulation fan is equipped with heat-insulation layer.
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| CN105917872B true CN105917872B (en) | 2018-03-16 |
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| CN108294107B (en) * | 2018-03-15 | 2021-06-15 | 浙江省储备粮管理有限公司 | Transverse circulation type granary insect killing system |
| 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 |
| CN111165192B (en) * | 2020-01-21 | 2021-08-17 | 山东省农业机械科学研究院 | Forced positive and negative pressure mechanical ventilation dry ear bin and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2463747B (en) * | 2009-04-27 | 2010-08-25 | Vegetable Consultancy Services | Ventilation system for a perishable goods store |
| CN101569263B (en) * | 2009-06-01 | 2012-07-04 | 国家粮食局科学研究院 | Granary lateral ventilation method and system thereof |
| CN101919330B (en) * | 2009-06-10 | 2012-02-29 | 王允良 | Automatic control system of intelligent low-temperature grain storage and control method thereof |
| CN201657644U (en) * | 2010-02-11 | 2010-12-01 | 刘廷瑜 | Multilayer ventilation drying granary |
| CN204317080U (en) * | 2014-12-02 | 2015-05-13 | 国贸工程设计院 | Transversal ventilation circulation system |
| CN204837171U (en) * | 2015-05-27 | 2015-12-09 | 湖南粮食集团有限责任公司 | Ventilation in storage grain bin room, cooling, precipitation system |
| CN205567158U (en) * | 2016-04-25 | 2016-09-14 | 湖北叶威（集团）粮油机械有限公司 | Cross current ventilation unit |
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| CN105917872A (en) | 2016-09-07 |
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