CN109515286B - Agricultural product transportation equipment with ventilation, preservation, drying and quality guaranteeing functions - Google Patents
Agricultural product transportation equipment with ventilation, preservation, drying and quality guaranteeing functions Download PDFInfo
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- CN109515286B CN109515286B CN201811334519.8A CN201811334519A CN109515286B CN 109515286 B CN109515286 B CN 109515286B CN 201811334519 A CN201811334519 A CN 201811334519A CN 109515286 B CN109515286 B CN 109515286B
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- ventilation
- ventilating
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- horn
- air inlet
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- 238000009423 ventilation Methods 0.000 title claims abstract description 102
- 238000001035 drying Methods 0.000 title claims abstract description 28
- 238000004321 preservation Methods 0.000 title abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000000446 fuel Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 2
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000010981 drying operation Methods 0.000 description 5
- 238000003306 harvesting Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
- B60H1/241—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
- B60H1/241—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle
- B60H1/245—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle located in the roof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
- B60H1/241—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle
- B60H1/246—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle located in the interior of the vehicle or in or below the floor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses agricultural product transportation equipment with functions of ventilation, preservation, drying and quality guarantee. Its device characterized in that carries out inner structure transformation through carrying out the transport compartment and makes it possess the function of even ventilation, integrates ventilation unit and drying device simultaneously on the transport vechicle, makes it become the transportation equipment that has ventilation, stoving function.
Description
Technical Field
The invention belongs to agricultural product postpartum service equipment, in particular to agricultural product transportation equipment with functions of ventilation, preservation, drying and quality guarantee, which has the functions of uniform ventilation, preservation, drying and quality guarantee; can realize long-distance fresh-keeping and quality-guaranteeing transportation of the agricultural products after delivery.
Background
At present, most agricultural products enter industrialized and intensive planting, and after the agricultural products are mature, a large amount of transportation and drying operations are bound to be faced; taking wheat and rice as examples, the traditional airing operation cannot meet the industrialized development in the harvest season, so that the agricultural product drying equipment is favored by mass producers at one time, and more postpartum service centers for centralized drying appear in recent years.
However, due to the uneven distribution of the drying service equipment, the uneven operation capability, the climate factor and the short time, the ultra-large throughput can not be met, so that a large amount of agricultural products are still immeasurably lost in the transportation process and the process of stacking and waiting for drying treatment every year.
Therefore, how to solve the problems of fresh-keeping and drying of a large amount of agricultural products in a short time in the harvest season becomes an important subject of the modern agriculture at the present stage.
Disclosure of Invention
The invention aims to make up the blank of the technical problem and provide a novel agricultural product ventilation and preservation transportation device for the society, wherein the device has the functions of ventilation and preservation, drying and quality guarantee, and further prolongs the service time of the agricultural product after harvest season by utilizing the transportation time; solves the technical problem of fresh-keeping and drying of a large amount of agricultural products in a short time in the harvest season. The equipment is characterized in that a longitudinal air inlet horn-shaped box and a transverse air outlet horn-shaped box are added in a traditional transport vehicle compartment, so that criss-cross ventilation spaces are formed in the compartment to form a ventilation compartment; then, an energy source set, a power set, a heat supply device, a ventilation fan and an air inlet adjusting pipe are integrated on the transport vehicle, so that the transport vehicle has the functions of ventilation, fresh keeping, drying and quality guarantee; therefore, the transportation equipment can ventilate, preserve, dry and guarantee the quality of agricultural products in the transportation process; even replace the postpartum service center of concentrated stoving, directly dry the agricultural product to the storage quality and put in storage.
The invention is realized by the following modes:
an agricultural product transportation device with ventilation, fresh-keeping, drying and quality guaranteeing functions comprises a transport vehicle 1, an energy group 2, a power group 3, an air inlet adjusting pipe 4 and a ventilation carriage 5; the energy source group 2 and the power group 3 are integrated on the transport vehicle 1 to provide drying energy and ventilation power; the ventilated carriage 5 comprises a ventilated carriage shell 51, a ventilated carriage cover 52, a longitudinal ventilated angular box 53, a transverse ventilated angular box 54, a longitudinal vent 56 and a transverse vent 57; the longitudinal ventilation horn-shaped box 53 is arranged in the middle section inside the ventilation carriage 5 and is consistent with the main longitudinal beam direction of the transport vehicle; the transverse ventilation horn-shaped box 54 is arranged inside the ventilation carriage 5, is perpendicular to the longitudinal ventilation horn-shaped box 53, and is uniformly arranged on the upper side and the lower side of the longitudinal ventilation horn-shaped box 53.
Preferably, the air intake adjusting pipe 4 comprises an air intake pipe shell 41, a windward side air adjusting opening 42, a windward side air adjusting opening 43 and a heat supply device 44; the ventilation device is characterized in that the air intake pipe shell 41 is communicated with a longitudinal ventilation air inlet 56 of a ventilation carriage 5, the windward side air adjusting opening 42 is an adjustable air door with an upper opening of the air intake pipe shell 41 facing the advancing direction of the transport vehicle, when the vehicle runs, the air door can be opened to naturally ventilate the carriage by utilizing the advancing speed of the vehicle, the upwind side air adjusting opening 43 is an adjustable air door with an upper opening of the air intake pipe shell 41 facing away from the advancing direction of the transport vehicle, when the vehicle runs in bad weather such as rain and the like, the windward side air adjusting opening 42 is closed, the upwind side air adjusting opening 43 is matched with the ventilation fan 55 to ventilate the carriage, the ventilation fan 55 is arranged between the air pipe shell 41 and the longitudinal ventilation horn-shaped box 53 and can be driven by the power unit 3, and can also be driven by an external power supply when the vehicle stops.
Preferably, the heating device 44 is installed on the air intake pipe casing 41, and the energy source set 2 supplies fuel to the heating device 44 to supply heat to the air intake adjusting pipe 4 for drying operation.
Preferably, when the parking ventilation work is required, the windward ventilation opening 42 and the ventilation fan 55 are required to be opened simultaneously; when the drying operation needs to be stopped, the windward air vent 42, the ventilation fan 55 and the heating device 44 need to be turned on simultaneously.
Preferably, the longitudinal ventilation angular box 53 and the transverse ventilation angular box 54 have a cross section of a geometric shape with a sharp upper end and a wide lower end, and are of a long strip box-shaped structure with an open bottom and a sealed top; the ventilating or drying airflow is sucked by the air inlet pipe 4, blown into the ventilating compartment 5 through the longitudinal ventilating air inlet 56 and diffused to the agricultural products in the vehicle from the bottom opening of the longitudinal ventilating horn-shaped box 53, and due to the fact that the inside of the ventilating compartment 5 is relatively sealed, the airflow is diffused upwards and downwards through the agricultural products, meets the transverse ventilating horn-shaped box 54 and is forcibly converted into transverse airflow to be discharged out of the ventilating compartment 5, and therefore uniform circulating airflow is formed inside the ventilating compartment 5.
Preferably, the air outlet of the angular box 54 is provided at the side of the ventilated vehicle compartment 5, and a lateral ventilation outlet adjusting door 58 is provided for adjusting the amount of air discharge and preventing the intrusion of rainwater.
The invention provides agricultural product transportation equipment with ventilation, preservation, drying and quality guarantee functions. Its device characterized in that carries out inner structure transformation through carrying out the transport compartment and makes it possess the function of even ventilation, integrates ventilation unit and drying device simultaneously on the transport vechicle, makes it become the transportation equipment that has ventilation, stoving function.
Drawings
FIG. 1 is a front view of the inventive apparatus;
FIG. 2 is a cross-sectional view of the inventive apparatus;
FIG. 3 is a transverse cross-sectional view of the inventive apparatus;
FIG. 4 is a schematic view of the present invention with ventilation in longitudinal section;
FIG. 5 is a schematic three-dimensional ventilation of the present invention;
FIG. 6 is a schematic cross-sectional side view of the present invention for venting;
FIG. 7 is a schematic view of a horn-shaped case of the present invention;
figure 8 the present invention is equipped with a lateral vent outlet adjustment door.
Detailed Description
The embodiments of the invention will now be described in detail with reference to the accompanying drawings:
as shown in fig. 1, 2, and 3:
an agricultural product transportation device with ventilation, fresh-keeping, drying and quality guaranteeing functions comprises a transport vehicle 1, an energy group 2, a power group 3, an air inlet adjusting pipe 4 and a ventilation carriage 5; the energy source group 2 and the power group 3 are integrated on the transport vehicle 1 to provide drying energy and ventilation power; the ventilated carriage 5 comprises a ventilated carriage shell 51, a ventilated carriage cover 52, a longitudinal ventilated angular box 53, a transverse ventilated angular box 54, a longitudinal vent 56 and a transverse vent 57; the longitudinal ventilation horn-shaped box 53 is arranged in the middle section inside the ventilation carriage 5 and is consistent with the main longitudinal beam direction of the transport vehicle; the transverse ventilation horn-shaped box 54 is arranged inside the ventilation carriage 5, is perpendicular to the longitudinal ventilation horn-shaped box 53, and is uniformly arranged on the upper side and the lower side of the longitudinal ventilation horn-shaped box 53.
As described above, the energy group 2 and the power group 3 are integrated on the transport vehicle 1, so that the transport vehicle has the capability of independent operation, and the equipment is flexible and mobile without external energy; the horn-shaped ventilation boxes are arranged vertically and horizontally, so that a uniform ventilation diffusion layer can be formed in the carriage, and ventilation airflow can be uniformly diffused to each corner after entering the carriage; when manufacturing costs permit, multiple layers of criss-cross corner boxes may also be provided for more uniform ventilation.
As shown in fig. 2:
the air inlet adjusting pipe 4 comprises an air inlet pipe shell 41, a windward side air adjusting port 42, an upwind side air adjusting port 43 and a heat supply device 44; the ventilation device is characterized in that the air intake pipe shell 41 is communicated with a longitudinal ventilation air inlet 56 of a ventilation carriage 5, the windward side air adjusting opening 42 is an adjustable air door with an upper opening of the air intake pipe shell 41 facing the advancing direction of the transport vehicle, when the vehicle runs, the air door can be opened to naturally ventilate the carriage by utilizing the advancing speed of the vehicle, the upwind side air adjusting opening 43 is an adjustable air door with an upper opening of the air intake pipe shell 41 facing away from the advancing direction of the transport vehicle, when the vehicle runs in bad weather such as rain and the like, the windward side air adjusting opening 42 is closed, the upwind side air adjusting opening 43 is matched with the ventilation fan 55 to ventilate the carriage, the ventilation fan 55 is arranged between the air pipe shell 41 and the longitudinal ventilation horn-shaped box 53 and can be driven by the power unit 3, and can also be driven by an external power supply when the vehicle stops.
The opening direction of the windward side air adjusting opening 42 faces the advancing direction of the transport vehicle, when the vehicle runs, a reverse wind speed opposite to the running direction of the vehicle is naturally formed, at the moment, the windward side air adjusting opening 42 is opened, so that corresponding wind quantity can be obtained to ventilate the carriage, extra draught fan traction is not needed, the energy conversion link can be reduced, and the energy utilization efficiency is improved; when meeting bad weather such as rain, open windward side accent wind gap 42 again and can make rainwater etc. get into the ventilation carriage, be unfavorable for agricultural product to preserve, consequently need set up headwind side accent wind gap 43, make the rainwater can not get into the carriage, provide the ventilation air volume through ventilation blower 55 in giving the carriage this moment, so can make this transportation equip can adapt to various climatic conditions, incessant operation, the quality of agricultural product in the at utmost assurance carriage.
As shown in fig. 1 and 2:
the heating device 44 is installed on the air intake pipe shell 41, and the energy source group 2 supplies fuel to the heating device 44 to supply heat source for the air intake adjusting pipe 4 for drying operation.
Preferably, when the parking ventilation work is required, the windward ventilation opening 42 and the ventilation fan 55 are required to be opened simultaneously; when the drying operation needs to be stopped, the windward air vent 42, the ventilation fan 55 and the heating device 44 need to be turned on simultaneously.
As shown in fig. 3, 4, and 7:
the cross section of the longitudinal ventilation horn-shaped box 53 and the transverse ventilation horn-shaped box 54 is in a geometric shape with a sharp upper end and a wide lower end, the bottom of the box is open, and the top of the box is sealed; the ventilating or drying airflow is sucked by the air inlet pipe 4, blown into the ventilating compartment 5 through the longitudinal ventilating air inlet 56 and diffused to the agricultural products in the vehicle from the bottom opening of the longitudinal ventilating horn-shaped box 53, and due to the fact that the inside of the ventilating compartment 5 is relatively sealed, the airflow is diffused upwards and downwards through the agricultural products, meets the transverse ventilating horn-shaped box 54 and is forcibly converted into transverse airflow to be discharged out of the ventilating compartment 5, and therefore uniform circulating airflow is formed inside the ventilating compartment 5.
As shown in fig. 8:
the lateral ventilation horn 54 is provided at the side of the ventilated casing 5 with an air outlet, and is provided with a lateral ventilation outlet adjusting door 58 for adjusting the air discharge amount and preventing the intrusion of rainwater.
As shown in fig. 4, 5, and 6:
the agricultural product transportation equipment with the functions of ventilation, preservation, drying and quality guarantee is characterized in that ventilation air flow is sucked through the air inlet pipe 4, blown into the longitudinal ventilation horn-shaped box 53 through the ventilation fan 55, diffused to the upper layer and the lower layer of a ventilation carriage, and finally reversed and dispersedly discharged out of the carriage through the transverse ventilation horn-shaped box 54, so that the aim of uniform ventilation is fulfilled; when the heating device 44 is turned on, the ventilated cage 5 enters a drying state; when the fan rotates reversely, the airflow can be guided to flow reversely, so that the ventilation is more uniform.
In conclusion, the invention provides the agricultural product transportation equipment with the functions of ventilation, preservation, drying and quality guarantee. Its device characterized in that carries out inner structure transformation through carrying out the transport compartment and makes it possess the function of even ventilation, integrates ventilation unit and drying device simultaneously on the transport vechicle, makes it become the transportation equipment that has ventilation, stoving function.
Claims (3)
1. A transportation device with ventilation, fresh-keeping, drying and quality-guaranteeing functions comprises a transportation vehicle (1), an energy group (2), a power group (3), an air inlet adjusting pipe (4) and a ventilation carriage (5); the energy source group (2) and the power group (3) are integrated on the transport vehicle (1); the ventilating compartment (5) comprises a ventilating compartment shell (51), a ventilating compartment cover (52), a longitudinal ventilating horn-shaped box (53), a transverse ventilating horn-shaped box (54), a longitudinal ventilating air inlet (56) and a transverse ventilating air outlet (57); the longitudinal ventilation horn-shaped box (53) is arranged in the middle section inside the ventilation carriage (5) and is consistent with the main longitudinal beam direction of the transport vehicle; the transverse ventilation horn-shaped box (54) is arranged in the ventilation carriage (5), is vertical to the longitudinal ventilation horn-shaped box (53), and is uniformly arranged on the upper side and the lower side of the longitudinal ventilation horn-shaped box (53); the cross sections of the longitudinal ventilation angular box (53) and the transverse ventilation angular box (54) are in a geometric shape with the upper tip and the lower part being wide, and the longitudinal ventilation angular box (53) and the transverse ventilation angular box (54) are in a long-strip box-shaped structure with an opening at the bottom and a sealed top; ventilating or drying airflow is sucked by the air inlet adjusting pipe (4), blown into the ventilating compartment (5) through the longitudinal ventilating air inlet (56), diffused towards the inside of the vehicle through the bottom opening of the longitudinal ventilating horn-shaped box (53), and is forcedly converted into transverse airflow to be discharged out of the ventilating compartment (5) after being diffused upwards and downwards through agricultural products and meeting the transverse ventilating horn-shaped box (54), so that uniform circulating airflow is formed inside the ventilating compartment (5); the air inlet adjusting pipe (4) comprises an air inlet pipe shell (41), a windward side air adjusting opening (42), a headwind side air adjusting opening (43) and a heat supply device (44); the air inlet pipe shell (41) is communicated with a longitudinal ventilation air inlet (56) of the ventilation carriage (5), the windward side air adjusting opening (42) is an adjustable air door of the upper opening of the air inlet pipe shell (41) towards the front advancing direction of the transport cart, the upwind side air adjusting opening (43) is an adjustable air door of the upper opening of the air inlet pipe shell (41) back to the front advancing direction of the transport cart, and the ventilation fan (55) is installed between the air inlet pipe shell (41) and the longitudinal ventilation horn-shaped box (53) and driven by a power pack (3) or an external power supply.
2. A transportation device according to claim 1, wherein the heating means (44) is mounted on the air intake duct housing (41), and the energy source group (2) supplies fuel to the heating means (44) to supply heat to the air intake regulating duct (4).
3. The transport unit as claimed in claim 1, wherein the lateral ventilation horn (54) is provided with an air outlet at a side of the ventilated passenger compartment (5) and with a lateral ventilation outlet regulating door (58).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334519.8A CN109515286B (en) | 2018-11-09 | 2018-11-09 | Agricultural product transportation equipment with ventilation, preservation, drying and quality guaranteeing functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334519.8A CN109515286B (en) | 2018-11-09 | 2018-11-09 | Agricultural product transportation equipment with ventilation, preservation, drying and quality guaranteeing functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109515286A CN109515286A (en) | 2019-03-26 |
| CN109515286B true CN109515286B (en) | 2022-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811334519.8A Active CN109515286B (en) | 2018-11-09 | 2018-11-09 | Agricultural product transportation equipment with ventilation, preservation, drying and quality guaranteeing functions |
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| Country | Link |
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| CN (1) | CN109515286B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110722959A (en) * | 2019-11-15 | 2020-01-24 | 上海海洋大学 | Roof-mounted external cold air introducing system for small refrigerator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU846344A1 (en) * | 1979-06-04 | 1981-07-15 | Республиканский Трест По Проекти-Рованию И Внедрению Новой Техникив Сельском Строительстве | Body of vehicle for carring loose cargo |
| JPH06281342A (en) * | 1993-03-26 | 1994-10-07 | Kubota Corp | Mobile vehicle for drying or storage |
| CN201260369Y (en) * | 2008-06-12 | 2009-06-24 | 安徽绿健生物科技有限公司 | Forced continuous drying mechanism for camellia oleosa seed |
| CN103223890A (en) * | 2013-05-20 | 2013-07-31 | 陆兴 | Improved multifunctional passenger-cargo dual-purpose automobile |
| CN103931761A (en) * | 2014-04-11 | 2014-07-23 | 吴焕松 | Rapid fresh and wet grain drying method and device |
| CN106114652A (en) * | 2016-08-18 | 2016-11-16 | 中国电子科技集团公司第三十八研究所 | A kind of bulk grain transportation vehicle compartment with forced ventilation and gravity-flow ventilation |
| CN207100369U (en) * | 2017-06-15 | 2018-03-16 | 开原金鑫烘干设备有限公司 | A kind of grain drying tower |
-
2018
- 2018-11-09 CN CN201811334519.8A patent/CN109515286B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU846344A1 (en) * | 1979-06-04 | 1981-07-15 | Республиканский Трест По Проекти-Рованию И Внедрению Новой Техникив Сельском Строительстве | Body of vehicle for carring loose cargo |
| JPH06281342A (en) * | 1993-03-26 | 1994-10-07 | Kubota Corp | Mobile vehicle for drying or storage |
| CN201260369Y (en) * | 2008-06-12 | 2009-06-24 | 安徽绿健生物科技有限公司 | Forced continuous drying mechanism for camellia oleosa seed |
| CN103223890A (en) * | 2013-05-20 | 2013-07-31 | 陆兴 | Improved multifunctional passenger-cargo dual-purpose automobile |
| CN103931761A (en) * | 2014-04-11 | 2014-07-23 | 吴焕松 | Rapid fresh and wet grain drying method and device |
| CN106114652A (en) * | 2016-08-18 | 2016-11-16 | 中国电子科技集团公司第三十八研究所 | A kind of bulk grain transportation vehicle compartment with forced ventilation and gravity-flow ventilation |
| CN207100369U (en) * | 2017-06-15 | 2018-03-16 | 开原金鑫烘干设备有限公司 | A kind of grain drying tower |
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| CN109515286A (en) | 2019-03-26 |
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