CN109005952B - Circulating ventilation device and ventilation method for granary - Google Patents
Circulating ventilation device and ventilation method for granary Download PDFInfo
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- CN109005952B CN109005952B CN201810796465.0A CN201810796465A CN109005952B CN 109005952 B CN109005952 B CN 109005952B CN 201810796465 A CN201810796465 A CN 201810796465A CN 109005952 B CN109005952 B CN 109005952B
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- 238000009423 ventilation Methods 0.000 title claims abstract description 131
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 60
- 230000007547 defect Effects 0.000 abstract description 2
- 230000002457 bidirectional effect Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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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- Life Sciences & Earth Sciences (AREA)
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- Storage Of Harvested Produce (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
A granary circulation ventilation device and a ventilation method thereof belong to the field of granary ventilation devices. The invention provides the granary circulation ventilation device which has multiple ventilation modes, is convenient to reform and is simple in actual operation, aiming at the defects of single ventilation mode, difficult reformation and complex operation of the existing granary circulation ventilation device. In the invention, the vent, the circulating pipe and the conversion box are all fixed on the side wall of the granary, the left end of the vent and the upper end of the circulating pipe are all communicated with the granary, the circulating pipe, the conversion box and the vent are sequentially communicated from top to bottom and form a loop with the granary, the conversion door is arranged on the conversion box, the first mixed flow fan is arranged in the conversion box and positioned at the connecting part of the conversion box and the vent, and the vent door is arranged at the right end of the vent. The invention is mainly applied to the circulation ventilation of the granary.
Description
Technical Field
The invention belongs to the field of granary ventilation devices.
Background
The granary type mainly comprises a squat silo and a flat silo, wherein the squat silo is large in grain loading depth, large in grain loading quantity and high in ventilation difficulty. The existing mechanical ventilation system matched with the granary is mainly an open ventilation system and a closed circulation ventilation system. If the two ventilation systems can be combined into a system, not only a large amount of investment funds are saved for enterprises, but also the actual operation is simpler, and based on the actual requirement, the development of a ventilation circulation integrated system of a shallow round bin and a horizontal warehouse is necessary. In the transformation process, most of the granaries store grains, so that the transformation mode is limited, and therefore, a ventilation and circulation integrated system which is not limited by grain loading needs to be developed.
Therefore, a granary circulation ventilation device with multiple ventilation modes, convenient modification and simple actual operation is needed.
Disclosure of Invention
The invention provides the granary circulation ventilation device which has multiple ventilation modes, is convenient to reform and is simple in actual operation, aiming at the defects of single ventilation mode, difficult reformation and complex operation of the existing granary circulation ventilation device.
The invention relates to a technical scheme of a granary circulation ventilation device, which comprises the following steps:
the invention relates to a granary circulating ventilation device which comprises a granary, a ventilation opening, a circulating pipe, a conversion box, a conversion door, a first mixed flow fan and a ventilation opening door, wherein the upper end of the circulating pipe and the left end of the ventilation opening are connected to the side wall of the granary from top to bottom and are communicated with the interior of the granary, the conversion box is arranged on the side wall of the ventilation opening, the lower end of the circulating pipe is communicated with the conversion box, the circulating pipe, the conversion box and the ventilation opening are sequentially communicated from top to bottom and form a loop with the granary, the conversion door is arranged on the side face of the conversion box, the first mixed flow fan is arranged in the conversion box and is positioned at the connecting position of the conversion box and the ventilation opening, and the ventilation opening door is arranged at the right end of the.
Further: it still includes centrifugal fan, centrifugal fan's air outlet is just to vent door right-hand member setting.
Further: the secondary mixed flow fan is arranged in the granary and is positioned at the connecting part of the granary and the ventilation opening.
A ventilation method of a granary circulation ventilation device comprises the steps that when a ventilation port door and a conversion door are closed and a first mixed flow fan runs, circulation ventilation circulates clockwise in a loop; when the vent door and the switching door are closed and the first mixed flow fan operates in a reversing way, the circulating ventilation circulates anticlockwise in the loop; when the vent door is closed and the switching door is opened, and the first mixed flow fan runs, the outside air enters from the switching box and enters the granary after being pressurized by the first mixed flow fan.
Further: when the conversion door is closed and the ventilation opening door is opened, the granary is ventilated by the centrifugal fan, and airflow generated by the centrifugal fan enters the granary from the ventilation opening.
Further: when the ventilation port door and the switching door are closed and the first mixed flow fan and the second mixed flow fan simultaneously run in the same direction, circulating ventilation is carried out to circulate in the granary clockwise; when the ventilation port door and the switching door are closed, and the first mixed flow fan and the second mixed flow fan are reversed and in the same direction, circulating ventilation is circulated in the granary anticlockwise; when the vent door is closed and the switching door is opened, and the first mixed flow fan and the second mixed flow fan run in the same direction at the same time, the outside air enters from the switching box and enters the granary after being pressurized by the first mixed flow fan and the second mixed flow fan; when the first mixed flow fan and the second mixed flow fan are reversed at the same time and are in the same direction, ventilation is carried out in the opposite direction; when the ventilation opening door is opened and the switching door is closed, and the second mixed flow fan runs, outside air enters the granary from the ventilation opening; when the second mixed flow fan is reversed, ventilation is carried out in the opposite direction.
The invention relates to a granary circulation ventilation device, which has the beneficial effects that:
the invention relates to a granary circulating ventilation device, which integrates the existing open ventilation system and closed circulating ventilation system into a system, thereby not only saving a large amount of investment funds for enterprises, but also leading the actual operation to be simpler and more convenient, and being not limited by whether the granary is filled with grains or not by arranging the circulating pipe and the mixed flow fan outside the granary, and being convenient to install.
Drawings
FIG. 1 is a schematic structural view of a circulating ventilation device of a granary;
FIG. 2 is a schematic view of the circulation ventilation of the granary circulation ventilation apparatus;
FIG. 3 is a schematic view of mixed flow fan ventilation of a circulating ventilation device for a granary;
FIG. 4 is a schematic view of the centrifugal fan ventilation of the circulating ventilation device for the granary;
FIG. 5 is a schematic view of circulation ventilation of a double mixed flow fan of the circulation ventilation device of the granary;
fig. 6 is a schematic view of ventilation of a double mixed flow fan of the circulating ventilation device of the granary;
fig. 7 is a schematic view of ventilation of a single fan of a double mixed flow fan of a circulating ventilation device of a granary.
Wherein: the system comprises a granary 1, a ventilation opening 2, a circulating pipe 3, a conversion box 4, a conversion door 5, a first mixed flow fan 6, a ventilation opening door 7, a centrifugal fan 8 and a second mixed flow fan 9.
Detailed Description
The technical solutions of the present invention are further described below with reference to the following examples, but the present invention is not limited thereto, and any modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Example 1
The embodiment is described with reference to fig. 1-3, in the embodiment, the invention relates to a granary circulating ventilation device, which comprises a granary 1, a ventilation opening 2, a circulating pipe 3, a conversion box 4, a conversion door 5, a first mixed flow fan 6 and a ventilation opening door 7, the upper end of the circulating pipe 3 and the left end of the ventilation opening 2 are connected with the side wall of the granary 1 from top to bottom, and is communicated with the interior of the granary 1, a conversion box 4 is arranged on the side wall of the ventilation opening 2, the lower end of the circulating pipe 3 is communicated with the conversion box 4, and the circulating pipe 3, the conversion box 4 and the vent 2 are communicated in turn from top to bottom and form a loop with the granary 1, a conversion door 5 is arranged on the side surface of the conversion box 4, the first mixed flow fan 6 is arranged in the conversion box 4 and is positioned at the joint of the conversion box 4 and the ventilation opening 2, and the ventilation opening door 7 is arranged at the right end of the ventilation opening 2;
the specific ventilation method comprises the following steps: when the vent door 7 and the switching door 5 are both closed and the first mixed flow fan 6 runs, circulating ventilation circulates clockwise in the loop; when the vent door 7 and the switching door 5 are closed and the first mixed flow fan 6 operates in a reversing way, circulating ventilation circulates anticlockwise in the loop; when the vent door 7 is closed and the switching door 5 is opened, and the first mixed flow fan 6 runs, outside air enters from the switching box 4 and enters the granary 1 after being pressurized by the first mixed flow fan 6.
As shown in fig. 2: when the vent door 7 and the switching door 5 are both in a closed state and the first mixed flow fan 6 runs, circulating ventilation circulates in the granary 1 clockwise according to the figure 2; because the first mixed flow fan 6 is a bidirectional fan, when the first mixed flow fan 6 is reversed, the circulation ventilation is performed anticlockwise to circulate in the granary 1.
As shown in fig. 3: when the conversion door 5 is opened, the first mixed flow fan 6 operates, and outside air enters from the conversion box 4, is pressurized by the first mixed flow fan 6 and then enters the granary 1.
Example 2
The embodiment is described with reference to fig. 4, in the embodiment, the granary circulating ventilation device according to the present invention further includes a centrifugal fan 8, and an air outlet of the centrifugal fan 8 is disposed opposite to the right end of the ventilation port door 7;
the specific ventilation method comprises the following steps: when the conversion door 5 is closed and the ventilation opening door 7 is opened, the granary 1 is ventilated by the centrifugal fan 8, and the centrifugal fan 8 generates airflow to enter the granary 1 through the ventilation opening 2.
As shown in fig. 4: when the granary 1 needs to be ventilated by the centrifugal fan 8, the conversion door 5 is closed, the ventilation opening door 7 is opened, the centrifugal fan 8 generates airflow which enters the granary 1 through the ventilation opening 2, and the centrifugal fan 8 type ventilation is carried out.
Example 3
The embodiment is described with reference to fig. 5 to 7, in the embodiment, the circulating ventilation device for the granary according to the present invention further includes a second mixed flow fan 9, wherein the second mixed flow fan 9 is disposed in the granary 1 and located at a connection position of the granary 1 and the ventilation opening 2;
the specific ventilation method comprises the following steps: when the ventilation opening door 7 and the switching door 5 are closed and the first mixed flow fan 6 and the second mixed flow fan 9 simultaneously operate in the same direction, circulating ventilation is performed to circulate in the granary 1 clockwise; when the ventilation opening door 7 and the switching door 5 are closed, and the first mixed flow fan 6 and the second mixed flow fan 9 are reversed and in the same direction, the circulation ventilation is performed in the granary 1 in a counterclockwise way; when the vent door 7 is closed and the switching door 5 is opened, and the first mixed flow fan 6 and the second mixed flow fan 9 simultaneously run in the same direction, the outside air enters from the switching box 4, is pressurized by the first mixed flow fan 6 and the second mixed flow fan 9 and then enters the granary 1; when the first mixed flow fan 6 and the second mixed flow fan 9 are reversed at the same time and are in the same direction, ventilation is carried out in the opposite direction; when the vent door 7 is opened, the switching door 5 is closed and the second mixed flow fan 9 runs, outside air enters the granary 1 from the vent 2; when the second mixed flow fan 9 is reversed, ventilation is carried out in the opposite direction.
In the figures 1-4, a single mixed flow fan is used for ventilation and circulation ventilation, and a double mixed flow fan can be connected in series for ventilation and circulation.
As shown in fig. 5: when the vent door 7 and the switching door 5 are both in a closed state, and the first mixed flow fan 6 and the second mixed flow fan 9 simultaneously run in the same direction, circulating ventilation is performed clockwise in the granary 1 as shown in fig. 5; because the mixed flow fan is a bidirectional fan, when the first mixed flow fan 6 and the second mixed flow fan 9 are reversed and in the same direction, the circulation ventilation is circulated in the granary 1 anticlockwise.
As shown in fig. 6: when the vent door 7 is closed and the switching door 5 is opened, and the first mixed flow fan 6 and the second mixed flow fan 9 simultaneously run in the same direction, ventilation is carried out according to the airflow state shown in the figure 6, and outside air enters from the switching box 4, is pressurized by the first mixed flow fan 6 and the second mixed flow fan 9 and then enters the granary 1; because the mixed flow fan is a bidirectional fan, when the first mixed flow fan 6 and the second mixed flow fan 9 are reversed simultaneously and are in the same direction, the ventilation is carried out in the opposite direction.
As shown in fig. 7: when the vent door 7 is opened, the switching door 5 is closed and the second mixed flow fan 9 runs, the ventilation is carried out according to the airflow state shown in the figure 7; because the second mixed flow fan 9 is a bidirectional fan, when the second mixed flow fan 9 is reversed, ventilation is performed in the opposite direction.
Claims (3)
1. A ventilation method based on a granary circulating ventilation device comprises a granary (1), a vent (2), a circulating pipe (3), a conversion box (4), a conversion door (5), a first mixed flow fan (6) and a vent door (7), wherein the upper end of the circulating pipe (3) and the left end of the vent (2) are connected to the side wall of the granary (1) up and down and communicated with the inside of the granary (1), the conversion box (4) is arranged on the side wall of the vent (2), the lower end of the circulating pipe (3) is communicated with the conversion box (4), the circulating pipe (3), the conversion box (4) and the vent (2) are sequentially communicated from top to bottom and form a loop with the granary (1), the conversion door (5) is arranged on the side face of the conversion box (4), and the first mixed flow fan (6) is arranged in the conversion box (4) and located at the connection position of the conversion box (4) and the vent (2), the ventilation opening door (7) is arranged at the right end of the ventilation opening (2), and is characterized in that when the ventilation opening door (7) and the switching door (5) are both closed and the first mixed flow fan (6) runs, the circulation ventilation circulates clockwise in the loop; when the vent door (7) and the switching door (5) are closed and the first mixed flow fan (6) operates in a reversing way, the circulating ventilation circulates anticlockwise in the loop; when the vent door (7) is closed, the switching door (5) is opened, and the first mixed flow fan (6) runs, outside air enters from the switching box (4), and enters the granary (1) after being pressurized by the first mixed flow fan (6).
2. A ventilation method based on a granary circulating ventilation device comprises a granary (1), a vent (2), a circulating pipe (3), a conversion box (4), a conversion door (5), a first mixed flow fan (6), a vent door (7) and a centrifugal fan (8), wherein the upper end of the circulating pipe (3) and the left end of the vent (2) are connected to the side wall of the granary (1) up and down and are communicated with the inside of the granary (1), the side wall of the vent (2) is provided with the conversion box (4), the lower end of the circulating pipe (3) is communicated with the conversion box (4), the circulating pipe (3), the conversion box (4) and the vent (2) are sequentially communicated from top to bottom and form a loop with the granary (1), the side face of the conversion box (4) is provided with the conversion door (5), and the first mixed flow fan (6) is arranged in the conversion box (4) and is positioned at the connection position of the conversion box (4) and the vent (2), the right-hand member of vent (2) is located in vent door (7), the air outlet of centrifugal fan (8) is just setting up vent door (7) right-hand member, its characterized in that, closes when switching door (5), and when vent door (7) were opened, centrifugal fan (8) ventilation was carried out in granary (1), and centrifugal fan (8) produced the air current and got into granary (1) by vent (2).
3. A ventilation method based on a granary circulating ventilation device comprises a granary (1), a vent (2), a circulating pipe (3), a conversion box (4), a conversion door (5), a first mixed flow fan (6), a vent door (7) and a second mixed flow fan (9), wherein the upper end of the circulating pipe (3) and the left end of the vent (2) are connected to the side wall of the granary (1) up and down and are communicated with the inside of the granary (1), the side wall of the vent (2) is provided with the conversion box (4), the lower end of the circulating pipe (3) is communicated with the conversion box (4), the circulating pipe (3), the conversion box (4) and the vent (2) are sequentially communicated from top to bottom and form a loop with the granary (1), the side face of the conversion box (4) is provided with the conversion door (5), and the first mixed flow fan (6) is arranged in the conversion box (4) and is positioned at the connection position of the vent (4) and the vent (2), the ventilation opening door (7) is arranged at the right end of the ventilation opening (2), and the second mixed flow fan (9) is arranged in the granary (1) and is positioned at the joint of the granary (1) and the ventilation opening (2), and the ventilation opening door (7) and the conversion door (5) are closed, and the first mixed flow fan (6) and the second mixed flow fan (9) simultaneously run in the same direction, so that circulating ventilation is performed to circulate in the granary (1) clockwise; when the ventilation opening door (7) and the conversion door (5) are closed, the first mixed flow fan (6) and the second mixed flow fan (9) are reversed at the same time and are in the same direction, and circulation ventilation is carried out anticlockwise to circulate in the granary (1); when the vent door (7) is closed and the switching door (5) is opened, and the first mixed flow fan (6) and the second mixed flow fan (9) simultaneously operate in the same direction, outside air enters from the switching box (4), is pressurized by the first mixed flow fan (6) and the second mixed flow fan (9) and then enters the granary (1); when the first mixed flow fan (6) and the second mixed flow fan (9) are reversed at the same time and are in the same direction, ventilation is carried out in the opposite direction; when the ventilation opening door (7) is opened, the switching door (5) is closed, and the second mixed flow fan (9) runs, outside air enters the granary (1) from the ventilation opening (2); when the second mixed flow fan (9) is reversed, ventilation is carried out in the opposite direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810796465.0A CN109005952B (en) | 2018-07-19 | 2018-07-19 | Circulating ventilation device and ventilation method for granary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810796465.0A CN109005952B (en) | 2018-07-19 | 2018-07-19 | Circulating ventilation device and ventilation method for granary |
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| Publication Number | Publication Date |
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| CN109005952A CN109005952A (en) | 2018-12-18 |
| CN109005952B true CN109005952B (en) | 2021-06-11 |
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| CN201810796465.0A Active CN109005952B (en) | 2018-07-19 | 2018-07-19 | Circulating ventilation device and ventilation method for granary |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102282983B (en) * | 2011-06-08 | 2013-01-09 | 南京财经大学 | Layered ventilation method and system for grain store |
| CN205093210U (en) * | 2015-11-18 | 2016-03-23 | 史钢强 | Novel granary ventilates, circulation integration device |
| CN205671024U (en) * | 2016-06-23 | 2016-11-09 | 史钢强 | A kind of silo with special air conditioner ventilates, circulation system |
| CN106068964A (en) * | 2016-07-29 | 2016-11-09 | 史钢强 | Novel grain storage four-in-one technology and bidirectional ventilated, circulation, air-conditioning, ozone grain storage system |
| CN107013072B (en) * | 2017-04-06 | 2019-01-25 | 黄金宇 | Silo, vertical silo, brick dumpy silo, steel silo layering ventilation, circulation integral system |
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