CN210491756U - Ventilation heat insulation temperature control type granary structure - Google Patents

Ventilation heat insulation temperature control type granary structure Download PDF

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Publication number
CN210491756U
CN210491756U CN201921198802.2U CN201921198802U CN210491756U CN 210491756 U CN210491756 U CN 210491756U CN 201921198802 U CN201921198802 U CN 201921198802U CN 210491756 U CN210491756 U CN 210491756U
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granary
air
electric control
communicated
pipe
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CN201921198802.2U
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金建德
刘林生
刘益云
魏永威
项景
马鹏程
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IMMEDIATE OILS REPOSITORY ZHEJIANG PROVINCE GRAIN BUREAU
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IMMEDIATE OILS REPOSITORY ZHEJIANG PROVINCE GRAIN BUREAU
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/51Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products

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Abstract

The utility model relates to the technical field of grain and oil storage engineering, and discloses a ventilation, heat insulation and temperature control type granary structure, which comprises a granary body, wherein the top of the granary body is provided with a top plate, the upper side of the top plate is provided with a herringbone roof, the long-edge wall of the granary body is provided with a longitudinal air duct, the short-edge wall of the granary body is provided with a transverse air duct, the upper end of a first air outlet duct is communicated with the longitudinal air duct, the upper end of a second air outlet duct is communicated with the transverse air duct, and the first air outlet duct and the second air outlet duct are provided with a plurality of air outlet holes; a bidirectional exhaust fan is arranged in the air duct, a refrigerator is arranged in the heat insulation cavity, and air exchange pipes communicated with the outside are arranged on the outer sides of the flow guide covers; all be equipped with automatically controlled valve A on the connecting pipe, all be equipped with automatically controlled valve B on the scavenge pipe, all be equipped with automatically controlled valve C on the air duct, be equipped with the overflow pipe on the roof. The utility model discloses have that ventilation cooling effect is good, keep grain to be in suitable temperature, improve grain storage quality's beneficial effect.

Description

Ventilation heat insulation temperature control type granary structure
Technical Field
The utility model relates to a grain and oil storage engineering technical field especially relates to a thermal-insulated accuse temperature type granary structure ventilates.
Background
The currently applied grain storage ventilation system mainly comprises a ventilator, a ventilation channel arranged on the ground of a granary and the granary, and has the main functions of circulating outside air and air in a grain stack in the granary by using the ventilator, reducing the temperature in the grain stack, balancing and increasing the moisture of grains, circulating fumigation and insect killing, air-conditioned grain storage and the like. However, in hot summer, the temperature of the outside air is far higher than the temperature inside the granary, the outside high-temperature air can be transmitted to the inside of the granary through the wall of the granary, the temperature inside the granary can be increased, the granary is usually large, the surface area of the wall is large, the heat transmission is very obvious, the temperature of grains can be directly increased, even if a ventilation system is started to circulate the outside air and the air inside the granary, the temperature of a grain stack can not be reduced, even the temperature of the grain stack can be increased, further, the temperature of the grain stack is too high, damage to the grains (aggravation of grain oxidation, nutrient loss and the like) is caused, adverse effects are generated on the storage of the grains, if the space in the whole granary is refrigerated by a refrigerator, the internal space of the granary is very large, the energy consumption is very large, and.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome the above-mentioned not enough of prior art's granary existence, provide a thermal-insulated accuse temperature type granary structure of ventilation, when outdoor temperature is less than the inside temperature of granary, the inside and outside circulation of granary ventilates, keeps the temperature that the granary is suitable, when ambient temperature is far above the inside temperature of granary, the inner wall of granary can let in air conditioning and form thermal-insulated district to absorb the external heat that gets into in the granary through the granary wall, make and keep suitable temperature in the granary.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a ventilation, heat insulation and temperature control type granary structure comprises a granary body in a cuboid structure, wherein a top plate is arranged at the top of the granary body, a herringbone roof is arranged on the upper side of the top plate, longitudinal air guide pipes are horizontally distributed above the inner walls of long side walls of the granary body, transverse air guide pipes are horizontally distributed above the inner walls of short side walls of the granary body, a plurality of vertical first air outlet pipes are arranged on the inner walls of the long side walls, the upper ends of the first air outlet pipes are communicated with the longitudinal air guide pipes, a plurality of vertical second air outlet pipes are arranged on the inner walls of the short side walls, the upper ends of the second air outlet pipes are communicated with the transverse air guide pipes, and a plurality of air outlet holes are formed in the first air outlet pipes and the second air outlet pipes; air ducts which are communicated with the longitudinal air guide pipes in a one-to-one correspondence mode are arranged above the two long-edge walls, two-way exhaust fans are arranged in the air ducts, and air guide hoods communicated with the outer ends of the air ducts are arranged on the outer walls of the long-edge walls; a heat insulation cavity is formed between the herringbone roof and the top plate, a refrigerating machine is arranged in the heat insulation cavity, a cold air outlet pipe of the refrigerating machine is connected with a three-way joint, one end of the three-way joint is communicated with the upper end of one of the flow guide covers through a connecting pipe, the other end of the three-way joint is communicated with the upper end of the other flow guide cover through a connecting pipe, and air exchange pipes communicated with the outside are arranged on the outer sides of the flow guide covers; the connecting pipe on all be equipped with electric control valve A, all be equipped with electric control valve B on the scavenge pipe, the both ends of longitudinal ventilation pipe all communicate with horizontal guide duct through the air duct, the air duct on all be equipped with electric control valve C, be equipped with the overflow pipe on the roof, the lower extreme and the internal space intercommunication of granary of overflow pipe, the upper end and the thermal-insulated chamber intercommunication of overflow pipe.
When the temperature in the granary is in a normal state, the refrigerating machine does not work, and the electric control valve B is closed; when the temperature in the granary is higher and the outside temperature is lower than the temperature in the granary, the electric control valve B is opened, the electric control valve A is closed, the electric control valve C at the opposite angle is opened, the other two electric control valves C are closed, the two-way exhaust fans are opened, one of the two-way exhaust fans exhausts air to the granary, the other two-way exhaust fan exhausts air to the outside of the granary, at the moment, the first air outlet pipe and the second air outlet pipe at the inner walls of the two adjacent walls supply air to the granary, the first air outlet pipe and the second air outlet pipe at the inner walls of the two adjacent walls suck air in the granary and then exhaust the air out of the granary, so that the air circulation inside and outside the granary is realized, the temperature of the granary is reduced, and in this state, if one air exchange pipe is connected with the nitrogen pipe of the nitrogen making machine and the other air exchange pipe is connected with the air inlet pipe of the; when the temperature in the granary is higher than the normal temperature and the external temperature is higher than the temperature in the granary, the electric control valve B is closed, the electric control valve A and the electric control valve C are all opened, the refrigerator is opened, the two-way exhaust fans exhaust air into the granary, cold air prepared by the refrigerator respectively enters each first air outlet pipe and each second air outlet pipe and enters the granary through the air outlet hole, a strip-shaped low-temperature heat insulation area is further formed at the inner wall of the long side wall and the inner wall of the short side wall, the low-temperature heat insulation area can absorb the heat of the grain stack on one hand and can absorb the heat transferred into the granary from the outside through the walls on the other hand, the heat can be effectively prevented from being continuously transferred to the grain stack from the outside while the temperature of the grain stack is reduced, and after other gases in the granary rise (the temperature of the gases is lower than the external temperature) are discharged into the heat insulation, therefore, the heat is prevented from being transferred into the granary after the herringbone roof absorbs the heat, and the energy consumption of the mode of forming the low-temperature heat insulation area is much less than that of directly refrigerating the grain pile in the whole granary.
Preferably, the upper end of the overflow pipe is provided with a pressure limiting valve. After the cold air is introduced into the granary, the pressure limiting valve can keep the granary in a positive pressure state, when the pressure in the granary is higher than the pressure set by the pressure limiting valve, the gas in the granary can be discharged from the overflow pipe, on one hand, external hot gas can be prevented from entering the granary through the gap, on the other hand, the detention time of the cold air in the granary can be prolonged, the heat exchange time is prolonged, and the heat absorption effect of the cold air is improved.
Preferably, turbulent fans are arranged in the middle of the inner wall of the short-edge wall, the side faces of the turbulent fans are connected with the transverse air guide pipe through guide pipes, and a ventilating isolation cover is arranged at an air outlet of each turbulent fan. Because the thickness of the grain pile in the length direction is large, the airflow resistance is large, and when the grain bin is ventilated inside and outside, the turbulent fan can increase the power of the airflow, so that the airflow can penetrate through the grain pile to the maximum extent; when refrigerating, because the second goes out the tuber pipe and is far away from the position in wind channel, the air conditioning route is far away, makes to be in the negative pressure state in the horizontal air duct when the vortex fan initiative is carminative, is favorable to cold air to get into horizontal air duct, makes the temperature region in the low temperature heat insulation district of minor face wall department all with simultaneously, improves heat-proof quality.
Preferably, the roof of the gable roof is provided with photovoltaic tiles. Because the floor area of a single granary is large, the area of the herringbone roof is large, and the photovoltaic tiles are arranged in the area of the top of the granary for power generation and compensation of energy consumption of the refrigerator; meanwhile, the photovoltaic tiles convert solar energy into electric energy, and the heat absorption of the herringbone roof can be reduced.
Preferably, the electric control valve A, the electric control valve B and the electric control valve C are all electric control ball valves. The electric control ball valve has the advantages of compact structure, good sealing performance and convenient control.
Therefore, the utility model discloses following beneficial effect has: (1) when the external temperature is lower than the temperature in the granary, the granary can be ventilated in all directions without dead angles, so that the ventilation and heat dissipation effects of the granary are greatly improved, and the grain storage is facilitated; the device is connected with an external nitrogen making machine and can also circularly deinsectize grain nitrogen in the granary (2), when the external temperature is far higher than the internal temperature of the granary and the internal of the granary continuously absorbs heat and heats up, a low-temperature heat insulation area can be formed on the inner side of the wall of the granary to prevent external heat from being continuously transmitted to a grain stack through the wall of the granary, and further the proper temperature of the grain stack is kept; (3) the photovoltaic tile is arranged on the top surface of the herringbone roof of the granary, so that the energy consumption of the refrigerator can be compensated, and the heat of the herringbone roof can be reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the grain bin body.
Fig. 3 is a partially enlarged view of a portion a in fig. 1.
Fig. 4 is a partially enlarged view of a portion B in fig. 2.
In the figure: the granary comprises a granary body 1, a long-side wall 100, a short-side wall 101, a top plate 2, a herringbone roof 3, photovoltaic tiles 4, a longitudinal air guide pipe 5, a transverse air guide pipe 6, a first air outlet pipe 7, a second air outlet pipe 8, an air outlet hole 9, an air duct 10, a bidirectional exhaust fan 11, a flow guide cover 12, a heat insulation cavity 13, a refrigerator 14, a three-way joint 15, a connecting pipe 16, an air exchange pipe 17, an electric control valve A18, an electric control valve B19, an air guide pipe 20, an electric control valve C21, an overflow pipe 22, a pressure limiting valve 23, a turbulent flow fan 24, a flow guide pipe 25 and a.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, 2, 3 and 4, the ventilated heat-insulated temperature-controlled granary structure comprises a granary body 1 in a rectangular structure, a top plate 2 is arranged at the top of the granary body 1, a gable roof 3 is arranged at the upper side of the top plate, photovoltaic tiles 4 are arranged on the top surface of the gable roof, longitudinal air guide pipes 5 which are horizontally distributed are arranged above the inner walls of long-side walls 100 of the granary body 1, horizontal air guide pipes 6 which are horizontally distributed are arranged above the inner walls of short-side walls 101 of the granary body 1, a plurality of vertical first air outlet pipes 7 are arranged on the inner walls of the long-side walls 100, the upper ends of the first air outlet pipes 7 are communicated with the longitudinal air guide pipes 5, a plurality of vertical second air outlet pipes 8 are arranged on the inner walls of the short-side walls 101, the upper ends of the second air outlet pipes 8 are communicated with the horizontal air guide pipes 6, a plurality of air outlet holes 9 are arranged on the first, the diameter of the air outlet is less than or equal to 2 mm; air ducts 10 which are communicated with the longitudinal air guide pipes in a one-to-one correspondence mode are arranged above the two long-edge walls 100, two-way exhaust fans 11 are arranged in the air ducts 10, and air guide covers 12 communicated with the outer ends of the air ducts are arranged on the outer walls of the long-edge walls 100; a heat insulation cavity 13 is formed between the herringbone roof 3 and the top plate 2, a refrigerator 14 is arranged in the heat insulation cavity, a cold air outlet pipe of the refrigerator 14 is connected with a three-way joint 15, one end of the three-way joint 15 is communicated with the upper end of one air guide sleeve through a connecting pipe 16, the other end of the three-way joint 15 is communicated with the upper end of the other air guide sleeve through a connecting pipe, and air exchange pipes 17 communicated with the outside are arranged on the outer sides of the air guide sleeves; an electric control valve A18 is arranged on each connecting pipe 16, an electric control valve B19 is arranged on each ventilating pipe, two ends of each longitudinal ventilating pipe 5 are communicated with the transverse air guide pipe through air guide pipes 20, each air guide pipe 20 is provided with an electric control valve C21, an overflow pipe 22 is arranged on the top plate 2, the lower end of the overflow pipe 22 is communicated with the space in the granary body, the upper end of the overflow pipe 22 is communicated with the heat insulation cavity, and a pressure limiting valve 23 is arranged at the upper end of the overflow pipe; the middle part of the inner wall of the short-edge wall 101 is provided with a turbulent fan 24, the side surface of the turbulent fan 24 is connected with the transverse air guide pipe 6 through a guide pipe 25, and an air-permeable isolation cover 26 is arranged at the air outlet of the turbulent fan; the electric control valve A, the electric control valve B and the electric control valve C in the embodiment are all electric control ball valves.
With the attached drawings, the principle of the utility model is as follows: when the temperature in the granary is in a normal state, the refrigerating machine does not work, and the electric control valve B is closed; when the temperature in the granary is higher and the outside temperature is lower than the temperature in the granary, the electric control valve B is opened, the electric control valve A is closed, the electric control valve C at the opposite angle is opened, the other two electric control valves C are closed, the bidirectional exhaust fan is opened, the turbulent fan is opened, one of the two-way exhaust fans exhausts air into the granary, the other two-way exhaust fan exhausts air out of the granary, at the moment, the first air outlet pipe and the second air outlet pipe at the inner walls of the two adjacent walls supply air into the granary, in addition, the first air outlet pipe and the second air outlet pipe on the inner walls of two adjacent walls suck the air in the granary and then discharge the air out of the granary, thereby realizing the air circulation inside and outside the granary, reducing the temperature of the granary, in this state, if one scavenging tube is connected with the nitrogen tube of the nitrogen making machine (the nitrogen making machine is external equipment of the granary), and the other scavenging tube is connected with the air inlet tube of the nitrogen making machine, the nitrogen in the granary can be used for circularly killing insects; when the temperature in the granary is higher than the normal temperature and the external temperature is higher than the temperature in the granary, the electric control valve B is closed, the electric control valve A and the electric control valve C are all opened, the refrigerator is opened, the two-way exhaust fans exhaust air into the granary, the turbulent flow fan is opened, cold air prepared by the refrigerator respectively enters each first air outlet pipe and each second air outlet pipe and enters the granary through the air outlet hole, and then a strip-shaped low-temperature heat insulation area is formed at the inner wall of the long side wall and the inner wall of the short side wall, the low-temperature heat insulation area can absorb the heat of the grain stack on one hand and can absorb the heat transferred into the granary from the outside through the walls on the other hand, the heat can be effectively prevented from being continuously transferred to the grain stack from the outside while the temperature of the grain stack is reduced, after other gases in the granary rise, the heat absorbed gases (the temperature of the gases is lower than the external, therefore, the heat is prevented from being transferred into the granary after the herringbone roof absorbs the heat, and the energy consumption of the mode of forming the low-temperature heat insulation area is much less than that of directly refrigerating the grain pile in the whole granary; meanwhile, the photovoltaic tiles of the herringbone roof can generate electricity to compensate the energy consumption of the refrigerating machine, and meanwhile, the heat absorption of the herringbone roof is also reduced. This kind of granary structure collection ventilation heat dissipation, nitrogen gas deinsectization, preparation low temperature heat-insulating area are thermal-insulated, photovoltaic tile electricity generation and an organic whole, and overall structure designs, and the energy consumption is lower, does benefit to grain very much and stores.

Claims (5)

1. A ventilation, heat insulation and temperature control type granary structure comprises a granary body in a cuboid structure, wherein a top plate is arranged at the top of the granary body, and a herringbone roof is arranged on the upper side of the top plate; air ducts which are communicated with the longitudinal air guide pipes in a one-to-one correspondence mode are arranged above the two long-edge walls, two-way exhaust fans are arranged in the air ducts, and air guide hoods communicated with the outer ends of the air ducts are arranged on the outer walls of the long-edge walls; a heat insulation cavity is formed between the herringbone roof and the top plate, a refrigerating machine is arranged in the heat insulation cavity, a cold air outlet pipe of the refrigerating machine is connected with a three-way joint, one end of the three-way joint is communicated with the upper end of one of the flow guide covers through a connecting pipe, the other end of the three-way joint is communicated with the upper end of the other flow guide cover through a connecting pipe, and air exchange pipes communicated with the outside are arranged on the outer sides of the flow guide covers; the connecting pipe on all be equipped with electric control valve A, all be equipped with electric control valve B on the scavenge pipe, the both ends of vertical guide duct all communicate with horizontal guide duct through the air duct, the air duct on all be equipped with electric control valve C, be equipped with the overflow pipe on the roof, the lower extreme and the internal space intercommunication of granary of overflow pipe, the upper end and the thermal-insulated chamber intercommunication of overflow pipe.
2. The ventilation, thermal insulation and temperature control type granary structure according to claim 1, wherein a pressure limiting valve is arranged at the upper end of the overflow pipe.
3. The ventilation, thermal insulation and temperature control type granary structure according to claim 1, wherein turbulent flow fans are arranged in the middle of the inner wall of the short side wall, the side surfaces of the turbulent flow fans are connected with the transverse air guide pipes through guide pipes, and air-permeable isolation covers are arranged at air outlets of the turbulent flow fans.
4. The ventilated heat-insulating temperature-controlling type granary structure according to claim 1, wherein photovoltaic tiles are arranged on the top surface of the gable roof.
5. The ventilation, thermal insulation and temperature control type granary structure according to claim 1, wherein the electric control valve A, the electric control valve B and the electric control valve C are all electric control ball valves.
CN201921198802.2U 2019-07-26 2019-07-26 Ventilation heat insulation temperature control type granary structure Active CN210491756U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110301231A (en) * 2019-07-26 2019-10-08 浙江省粮食局直属粮油储备库 A kind of ventilating heat-proof temperature-controlling system based on silo
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
CN112544256A (en) * 2020-12-04 2021-03-26 东莞市新泰粮食有限公司 A ventilation system for granary is stored to rice
CN113424710A (en) * 2021-07-27 2021-09-24 河北沽源酿酒有限公司 Modernized granary

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110301231A (en) * 2019-07-26 2019-10-08 浙江省粮食局直属粮油储备库 A kind of ventilating heat-proof temperature-controlling system based on silo
CN110301231B (en) * 2019-07-26 2024-04-16 浙江省粮食局直属粮油储备库 Ventilating heat-insulating temperature-controlling system based on granary
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
CN112544256A (en) * 2020-12-04 2021-03-26 东莞市新泰粮食有限公司 A ventilation system for granary is stored to rice
CN113424710A (en) * 2021-07-27 2021-09-24 河北沽源酿酒有限公司 Modernized granary
CN113424710B (en) * 2021-07-27 2024-05-28 河北沽源酿酒有限公司 Modern granary

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