CN114961385A - Granary based on long-term green grain storage and intelligent control method for temperature in granary - Google Patents
Granary based on long-term green grain storage and intelligent control method for temperature in granary Download PDFInfo
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- CN114961385A CN114961385A CN202210654613.1A CN202210654613A CN114961385A CN 114961385 A CN114961385 A CN 114961385A CN 202210654613 A CN202210654613 A CN 202210654613A CN 114961385 A CN114961385 A CN 114961385A
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- 238000003860 storage Methods 0.000 title claims abstract description 35
- 230000007774 longterm Effects 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000009423 ventilation Methods 0.000 claims abstract description 44
- 238000010248 power generation Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 94
- 238000002347 injection Methods 0.000 claims description 19
- 239000007924 injection Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 7
- 238000004378 air conditioning Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims 3
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 238000001816 cooling Methods 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000013021 overheating Methods 0.000 abstract description 2
- 238000004781 supercooling Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/22—Containers for fluent solids, e.g. silos, bunkers; Supports therefor
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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
- A01F25/14—Containers specially adapted for storing
-
- 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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/22—Containers for fluent solids, e.g. silos, bunkers; Supports therefor
- E04H7/24—Constructions, with or without perforated walls, depending on the use of specified materials
- E04H7/30—Constructions, with or without perforated walls, depending on the use of specified materials mainly of metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
- F03D9/255—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/51—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products
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Abstract
The invention belongs to the technical field of green grain storage, and relates to a granary based on long-term green grain storage and an intelligent control method for temperature in the granary. Wherein, the auger part consists of a rotary cylinder and a spiral chute, and a heat tracing band is clamped inside the spiral chute; the ventilation device is composed of a ventilation barrel and a heat collecting barrel. The air conditioner also comprises a ventilation outlet, a refrigerator, a ventilation hole and a power generation device. The technical scheme is favorable for controlling the internal temperature of the granary by reconstructing the structure of the granary, adopts natural ventilation, heating of a heat tracing band and cooling of a refrigerator to keep the internal temperature of the granary constant, adopts a wind power generation mode to generate power so as to save energy, and utilizes the spiral chute to reduce the grain breakage rate and prevent local supercooling or overheating by turning over the granary. In addition, the automatic closed-loop regulation of the temperature in the barn is realized by using an intelligent temperature control means, and the stability and the safety of long-term grain storage are improved.
Description
Technical Field
The invention belongs to the technical field of green grain storage, and particularly relates to a granary based on long-term green grain storage and an intelligent control method for temperature in the granary.
Background
Although China is a big agricultural country, at the same time, billions of people also need a large amount of grains to support three meals a day, and obviously, grain storage is very important work for China. With the emphasis on the strategy of grain storage, the technology of storing grain in green for a long time is also widely concerned and becomes the focus of the important attention of researchers. Through a large amount of search of the prior art, the following defects are found in the research based on the constant temperature technology in the granary in the prior grain storage technology: 1. the whole temperature constant control scheme of the area with large temperature difference between day and night in winter and summer is not provided; 2. the characteristic of the structure of the granary is not utilized, and a friendly granary which is beneficial to the uniform distribution of the grain temperature is designed; 3. no technology is provided for realizing natural ventilation and generating electricity by utilizing wind energy on the basis of the height characteristics of the granary by utilizing the chimney effect so as to save energy required by temperature regulation in the granary.
Therefore, in the above disadvantages of the current grain storage technology, it is necessary to provide a granary based on long-term green grain storage and an intelligent control method for the temperature in the granary.
Disclosure of Invention
In order to solve the technical problems, the invention provides a granary based on long-term green grain storage and an intelligent control method for the temperature in the granary, so that the aims of intelligent regulation of uniform and constant temperature in the granary and green grain storage are fulfilled.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a granary based on long-term green grain storage, includes the storehouse body, the storehouse body comprises bin top cap, silo, funnel storehouse, storehouse bottom cover and L type supporting seat from last to down, its characterized in that: the rotary device is composed of an auger component, a fixing component for fixing the rotary device and a rotary component for driving the rotary device to rotate; the packing auger component is composed of a hollow rotary cylinder and a spiral chute surrounding the outer wall of the rotary cylinder, and a heat tracing band is clamped inside the spiral chute.
The ventilation device is composed of a hollow ventilation barrel and a tower-shaped hollow heat collecting barrel arranged at the top end of the ventilation barrel, and the outer diameter of the ventilation barrel is smaller than the inner diameter of the rotary barrel; the central areas of the bin top cover and the bin bottom cover are respectively provided with a hole, and the ventilation cylinder penetrates through the hole formed in the bin top cover, the hole formed in the rotating cylinder and the hole formed in the bin bottom cover in sequence.
A plurality of rotary drum vent holes are uniformly formed in one side of the rotary drum, vent holes are formed in one side of the vent drum in the rotary drum and correspond to the rotary drum vent holes, and the rotary drum vent holes are matched with detachable filter drums; the gap between the inner wall of the rotary cylinder and the outer wall of the ventilating cylinder is symmetrically provided with two sealing strips, and the two sealing strips are fixed on the outer wall of the ventilating cylinder and are as long as the rotary cylinder in height.
The storehouse top cap has still seted up ventilation outlet, access hole, and in addition, the air conditioning filling opening has been seted up to draft tube top lateral wall, and storehouse top cap surface mounting has the refrigerator, the refrigerator passes through the air conditioning filling opening and pours into air conditioning into to the draft tube is inside.
Preferably, the wind power generation device comprises a wind turbine arranged at the bottom end of the heat collecting cylinder and a generator arranged on the upper surface of the bin top cover, and the wind turbine is in transmission connection with a rotor of the generator through a transmission device.
Preferably, the fixed part consists of a bin top fixed part and a bin bottom fixed part, the bin top fixed part comprises a bracket and a fixed ring, the bin bottom fixed part is cylindrical, and the inner side of the bin bottom fixed part is welded and fixed around the outer wall of the rotating cylinder; the fixing ring is fixed on the inner side of a hole formed in the bin top cover through a support, a groove is formed in the inner ring side of the fixing ring, a plurality of steel balls are mounted in the groove, and the fixing ring is located on the lower side of the top gear and is matched with the outer diameter of the rotary cylinder; the lower surface of the bin bottom fixing piece is provided with a ring groove, a plurality of steel balls are installed in the groove, the inner surface of the bin bottom cover is provided with a ring groove in a matched mode, and the lower surface of the bin bottom fixing piece is tightly attached to the inner surface of the bin bottom cover through the steel balls.
Preferably, the rotating assembly comprises a bin top rotating part and a bin bottom rotating part, the bin top rotating part is composed of a top gear installed on the outer wall of the top end of the rotating cylinder and a bin top motor installed on the upper surface of a bin top cover, and the top gear is in transmission connection with a bin top motor rotor through a transmission part; the bin bottom rotating part is composed of a bottom gear installed on the outer wall of the bottom end of the rotating cylinder and a bin bottom motor installed on the L-shaped supporting seat, and the bottom gear is in transmission connection with a bin bottom motor rotor through a transmission part.
Preferably, the radius of the hole formed in the top cover of the bin is larger than the outer diameter of the rotary cylinder, the distance between the hole and the center point on the plane of the rotary cylinder is the same as the distance between the outer edge of the spiral chute and the center point, one half of the hole in the top cover of the bin is sealed, and the other half of the hole forms a grain dumping opening; in addition, a grain dumping opening sealing cover matched with the grain dumping opening is further arranged.
Preferably, the granary is provided with a plurality of granaries, and grid-connected power generation can be performed among the generators of the granaries.
The intelligent control method for the temperature in the granary based on long-term green grain storage is characterized in that the granary based on long-term green grain storage further comprises a temperature sensor assembly, a sealing valve and a controller, wherein the sealing valve comprises a ventilating duct bottom end sealing valve, a ventilating duct top end sealing valve, a ventilating outlet sealing valve and a cold air injection port sealing valve; the temperature sensor assembly comprises an in-bin temperature sensor group and a bin bottom temperature sensor; the controller is respectively in communication connection with the sensor assembly, the sealing valve, the rotating assembly, the refrigerator and the heat tracing band; the cold air injection opening is positioned in a ventilating duct space which can be sealed by the sealing valve at the top end of the ventilating duct.
In an initial state, the air vent of the rotary cylinder and the air vent of the ventilating cylinder are in a static state at the opposite side, a sealing valve at the bottom end of the ventilating cylinder, a sealing valve at the top end of the ventilating cylinder, a sealing valve at a ventilating outlet and a sealing valve at a cold air injection port are in a closed state, and the refrigerator and the heat tracing band do not work; the intelligent control method for the temperature in the bin comprises the following steps:
s1: an initial state;
s2: detecting the temperature in the bin according to a preset detection period by using a temperature sensor group in the bin;
s3: the controller judges whether the temperature in the bin is more than 21 ℃, if so, the step S4 is executed; if not, go to step S8;
s4: a bin bottom temperature sensor detects the temperature outside the bin;
s5: the controller judges whether the temperature outside the bin is more than 21 ℃, if so, the step S6 is executed; if not, go to step S7;
s6: the controller controls the sealing valve at the bottom end of the ventilating duct and the sealing valve at the top end of the ventilating duct to be closed, the sealing valve at the ventilating outlet and the sealing valve at the cold air injection port to be opened, the refrigerator works and the heat tracing band stops working, the rotating assembly drives the rotating drum to rotate 180 degrees, and the step S2 is executed;
s7: the controller controls the sealing valve at the bottom end of the ventilating duct, the sealing valve at the top end of the ventilating duct, the sealing valve at the ventilating outlet to be opened, the sealing valve at the cold air injection port to be closed, the refrigerating machine and the heat tracing band to stop working, the rotating assembly drives the rotating drum to rotate 180 degrees, and the step S2 is executed;
s8: the controller judges whether the temperature in the bin is less than 14 ℃, if so, the step S4 is executed; if not, go to step S3;
s9: the controller judges whether the temperature outside the bin is less than 14 ℃, if so, the step S10 is executed; if not, go to step S7;
s10: the controller controls the sealing valve at the bottom end of the ventilating duct, the sealing valve at the top end of the ventilating duct, the sealing valve at the ventilating outlet and the sealing valve at the cold air injection port to be closed, the refrigerator stops working, the heat tracing band works, the rotating assembly drives the rotating drum to rotate 180 degrees, and the step S2 is executed;
in the above steps, when the heat tracing band stops working, the vent hole of the rotary cylinder and the vent hole of the ventilation cylinder are always positioned at the same side.
Further, when the controller determines that the temperature sensor group in the warehouse has detected a large temperature difference at each point, in steps S6, S7, and S10, the rotating assembly drives the rotating cylinder to rotate at a fixed rotation speed.
And further, the system also comprises an access opening pressure sensor arranged at the access opening and a bin bottom pressure sensor arranged on the inner surface of the bin bottom cover, and when the controller judges that any one of the access opening pressure sensor and the bin bottom pressure sensor is zero, the controller controls all the equipment to return to the state of the step S1.
Compared with the prior art, the invention has the following beneficial effects:
in the invention, the central area of the granary is provided with the ventilating cylinder, the heat-collecting cylinder and the rotating cylinder, the ventilating holes are correspondingly formed in the walls of the ventilating cylinder and the rotating cylinder, the ventilating outlet is formed in the top cover of the granary, the heat-collecting cylinder is arranged above the top cover of the granary, the granary is generally higher, and under the condition of solar irradiation, the gas in the heat-collecting cylinder can be continuously heated, so that the pressure difference is formed between the gas and the outside air, the hot air in the heat-collecting cylinder can be convected upwards, the air at the bottom of the granary can be further pumped upwards, the granary bottom is generally positioned in a cool and shady area, the temperature of the granary is relatively lower, and when the cold air rises, the cold air can enter the granary through the ventilating holes, so that the aim of natural ventilation and temperature reduction can be achieved in the granary.
The grain bin turning device comprises a rotating device, wherein the rotating device consists of an auger part, a fixed part and a rotating assembly, the auger part consists of a rotating cylinder and a spiral chute, and the rotating assembly can realize the effect of turning over the grain bin when driving the rotating cylinder and the spiral chute to rotate; in addition, the top cover of the bin is provided with a grain dumping opening matched with the spiral chute, and after grains are dumped from the grain dumping opening, the grains can gradually fall into the bin along the spiral chute, so that the aim of reducing the broken grains is fulfilled.
According to the invention, the spiral chute is internally clamped with the heat tracing band, the upper surface of the bin top cover is provided with the refrigerator, and the refrigerator injects cold air into the ventilating duct through the cold air injection port, so that the spiral chute and the vent holes are structurally arranged in the central area of the bin from top to bottom, so that heat heated by the heat tracing band and the cold air produced by the refrigerator can be uniformly dissipated from the bottom to the top of the granary, and thus, the uniform heating or cooling of grains in the bin is facilitated.
In the invention, in order to prevent grains in the bin from entering the ventilating duct from the vent hole and leaking, the detachable filter cylinder is arranged on the vent hole of the rotary drum, so that on one hand, external winged insects, dust and residues are prevented from entering the bin along with air, and on the other hand, grains in the bin are prevented from overflowing into the rotary drum and the ventilating duct. In addition, the filter cartridge can be disassembled and can be taken down periodically for cleaning, so that the filter holes are prevented from being blocked for a long time and the expected ventilation effect cannot be achieved.
According to the invention, the bottom end sealing valve of the ventilating duct and the top end sealing valve of the ventilating duct are arranged, so that the bottom end sealing valve of the ventilating duct and the top end sealing valve of the ventilating duct are both in a closed state in the cooling process of heating by the heat tracing band or injecting cold air into the refrigerating machine, and at the moment, the sealing valves have two effects, namely, the phenomenon that the overhigh or overlow temperature outside the granary enters the granary through the ventilating duct to influence the normal temperature of grains in the granary is prevented, and the phenomenon that the heat dissipated by heating or the cold air injected by refrigerating overflows outside the granary through the ventilating duct to lose energy is prevented.
According to the invention, the wind turbine is arranged at the bottom end of the heat collecting cylinder, the generator is correspondingly arranged on the top cover of the bin, and when air at the bottom of the bin is convected upwards, the convected air can push the wind turbine to rotate, so that the generator is driven to generate electricity. The technical scheme adopts the characteristic of the height of the granary, the top of the granary is easier to be irradiated by sunlight than the bottom of the granary, and the aim of saving energy by wind power generation is fulfilled by utilizing the chimney effect.
In the invention, when natural ventilation in the bin is realized by utilizing the chimney effect, the generator works at the same time, but in the heating process of the heat tracing band or the refrigerating process of the refrigerator, the aim of generating electricity by convection ventilation cannot be realized because the sealing valve at the bottom end of the ventilating duct and the sealing valve at the top end of the ventilating duct are closed. Therefore, further carry out the grid-connected electricity generation to the generator of a plurality of granaries, especially under some granaries do not contain the condition of grain or during the overhaul in the storehouse, can be with rotatory section of thick bamboo ventilation hole and ventilator ventilation hole rotatory to opposite one side, through setting up the sealing strip with air and storehouse in the ventilator isolated to can realize the purpose of long-term electricity generation through the air convection in the ventilator, and then the most possible energy saving.
In the invention, hot gas heated by the heat tracing band, cold air refrigerated by the refrigerator or air naturally ventilated can penetrate into the central area inside the grain, but only the grain around the rotary cylinder can be heated or cooled. Therefore, the rotary drum can rotate ceaselessly to turn over the grain bin in the heating or refrigerating process, and the grain close to the edge flows into the central area by utilizing the structural characteristics of the hopper bin, so that the aim of balancing the grain temperature in the whole bin is fulfilled.
The invention also comprises an access hole pressure sensor and a bin bottom pressure sensor, when personnel enter the access or the bin is empty, all related equipment states return to the initial state unchanged, thereby ensuring the safety of the access personnel or avoiding the energy loss of the empty bin during working.
10. The invention designs a novel granary by remolding the structure of the granary based on the purpose of long-term green grain storage from the structural characteristics of the granary. The aim of intelligently controlling the temperature in the granary is achieved on the basis of the structure of a new granary, and the requirement of timely and automatically adjusting the grain temperature under the condition of large temperature change in spring, summer, autumn and winter or large daytime temperature difference in local areas is met. The method meets the current technical requirements and technical trend, and has wide application space.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings that are required in the technical description of the embodiments will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a three-dimensional perspective view of the granary body of the long-term green grain storage-based granary of the present invention;
FIG. 2 is a top plan view of the cartridge body of the present invention;
FIG. 3 is an exploded three-dimensional perspective view of the cartridge body of the present invention;
FIG. 4 is a three-dimensional perspective view of the rotating apparatus according to the present invention;
FIG. 5 is a three-dimensional structure diagram of the rotary drum and the ventilation drum after being cut;
FIG. 6 is a diagram of a communication control framework of the present invention;
fig. 7 is a flow chart of the operation of the intelligent control of the temperature in the bin of the invention.
In the figure: 1. a bin body; 11. a bin top cover; 111. a vent outlet; 112. a grain dumping opening; 113. sealing covers of grain dumping openings; 114. an access hole; 1141. an access port pressure sensor; 12. a cylindrical bin; 13. a hopper bin; 14. a bin bottom cover; 141. a bin bottom pressure sensor; 15. an L-shaped support seat; 2. a rotating device; 21. a packing auger component; 211. a rotary drum; 2111. a rotary drum vent; 2112. a filter cartridge; 212. a spiral chute; 2121. a heat tracing band; 22. a fixing member; 221. a bin top fixing part; 2211. a support; 2212. a stationary ring; 222. a bin bottom fixing part; 23. a rotating assembly; 231. a bin top rotating member; 2311. a top gear; 2312. a bin top motor; 232. a bin bottom rotating member; 2321. a bottom gear; 2322. a bin bottom motor; 3. a ventilation device; 31. a funnel; 311. a vent hole of the funnel; 312. a cold air inlet; 32. a heat collecting cylinder; 4. a power generation device; 41. a wind turbine; 42. a generator; 5. a sealing strip; 6. a refrigerator; 7. a temperature sensor assembly; 71. a group of in-bin temperature sensors; 72. a bin bottom temperature sensor; 8. a sealing valve; 81. a bottom end sealing valve of the funnel; 82. a top end sealing valve of the ventilating duct; 83. a vent outlet seal valve; 84. a cold air inlet seal valve; 9. and a controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown:
a granary based on long-term green grain storage comprises a granary body 1, wherein the granary body 1 consists of a granary top cover 11, a cylindrical granary 12, a funnel granary 13, a granary bottom cover 14 and an L-shaped supporting seat 15 from top to bottom. The rotary device 2 is further provided, and the rotary device 2 is composed of an auger component 21, a fixing component 22 for fixing the rotary device 2 and a rotary component 23 for driving the rotary device 2 to rotate. The auger part 21 is composed of a hollow rotary cylinder 211 and a spiral chute 212 which is constructed around the outer wall of the rotary cylinder 211, the outer edge of the spiral chute 212 is higher than the inside of the chute, a heat tracing band 2121 is clamped inside the spiral chute 212, the length of the heat tracing band 2121 is matched with that of the spiral chute 212, namely the spiral chute 212 can be heated by the heat tracing band 2121 from top to bottom.
The air conditioner further comprises a ventilation device 3, wherein the ventilation device 3 is composed of a hollow ventilating duct 31 and a tower-shaped and hollow heat collecting drum 32 which is installed at the top end of the ventilating duct 31, the outer diameter of the ventilating duct 31 is smaller than the inner diameter of the rotary drum 211, the heat collecting drum 32 is made of heat absorbing materials, and the bottom of the heat collecting drum 32 is the same as the diameter of the top of the ventilating duct 31 and is connected together in a welding mode. The central areas of the bin top cover 11 and the bin bottom cover 14 are respectively provided with a hole, the ventilating duct 31 penetrates through the holes formed in the bin top cover 11, the rotating duct 211 and the bin bottom cover 14 in sequence, and the size of the hole is matched with that of the ventilating duct 31. The funnel 31 is fixed to the top and bottom covers 11 and 14 by brackets (not shown).
A plurality of rotary cylinder vent holes 2111 are uniformly formed in one side of the rotary cylinder 211, a vent cylinder vent hole 311 is formed in one side of the vent cylinder 31 in the rotary cylinder 211, which corresponds to the rotary cylinder vent hole 2111, and the rotary cylinder vent hole 2111 is matched with a detachable filter cylinder 2112; two sealing strips 5 are symmetrically arranged in a gap between the inner wall of the rotary cylinder 211 and the outer wall of the ventilating duct 31, and the sealing strips 5 are made of wear-resistant materials, fixed on the outer wall of the ventilating duct 31 and as long as the rotary cylinder 211. That is, when the ventilation holes 2111 and 311 of the rotary drum are located at the same side, air can pass through the ventilation holes and enter the interior of the granary while flowing upward through the bottom of the ventilation drum 31; when the air is positioned on the opposite side, the sealing strip 5 can cut off the air and prevent the air in the ventilating duct 31 from entering the granary.
The spiral chute 212 is made of metal materials with good heat conductivity, rigidity and hardness, grains on the top slide into the bottom of the granary from the spiral chute 212, grain breakage rate is reduced beneficially, and the spiral chute 212 can be used for turning over the granary. The inside of the screw chute 212 should avoid the spin basket vent 2111 to prevent the filter cartridge 2112 from being removed or installed.
The top cover 11 further has a ventilation outlet 111 and an access opening 114, the sidewall of the top end of the funnel 31 has a cold air injection opening 312, the top surface of the top cover 11 is provided with the refrigerator 6, and the refrigerator 6 injects cold air into the funnel 31 through the cold air injection opening 312. Can realize the inside natural draft of granary, the refrigerated beneficial effect of even heating through above technical scheme. In the more preferable scheme, the refrigerating machine 6 is replaced by a geothermal or ground-cooling energy pile, so that the energy for refrigerating or heating can be saved, and the temperature control efficiency and stability are improved.
Preferably, the wind power generation device further comprises a power generation device 4, the power generation device 4 comprises a wind turbine 41 arranged at the bottom end of the heat collecting cylinder 32 and a generator 42 arranged on the upper surface of the bin top cover 11, and the wind turbine 41 is in transmission connection with a rotor of the generator 42 through a transmission device. Preferably, there are a plurality of grain bins, and the generators 42 of each grain bin can perform grid-connected power generation. This technical scheme utilizes the granary high advantage, adopts the cigarette towards the effect, can let the automatic upflow of air of bottom form automatic ventilation in the storehouse on the one hand, and on the other hand can also carry out wind power generation through ascending air current, and the electric energy that sends can be used for granary equipment power supply to reach temperature control and energy saving's purpose in the storehouse simultaneously. When the generators of a plurality of typical grain bins are connected to the grid, the effect of generating more electric energy can be realized, and the energy consumption is further reduced.
Preferably, the fixing part 22 is composed of a bin top fixing part 221 and a bin bottom fixing part 222, and the bin top fixing part 221 includes a support 2211 and a fixing ring 2212. The bin bottom fixing member 222 is cylindrical, and the inner side thereof is welded and fixed around the outer wall of the rotary drum 211. The fixing ring 2212 is fixed on the inner side of a hole formed in the bin top cover 11 through a support 2211, a groove is formed in the inner ring side of the fixing ring 2212, a plurality of steel balls (not shown in the figure) are installed in the groove, the fixing ring 2212 is located on the lower side of the top gear 2311 and is matched with the outer diameter of the rotary cylinder 211, the position of the rotary cylinder 211 is determined by the support 2211 and the fixing ring 2212, and the steel balls can be matched with the rotary cylinder 211 in a rolling mode to rotate. The lower surface of the bin bottom fixing piece 222 is provided with a ring groove, a plurality of steel balls (not shown in the figure) are arranged in the groove, the inner surface of the bin bottom cover 14 is matched with the ring groove, the lower surface of the bin bottom fixing piece 222 is tightly attached to the inner surface of the bin bottom cover 14 through the steel balls, the design standard is that grains cannot leak out of the bin through a gap between the bin bottom fixing piece 222 and the bin bottom cover 14, and the steel balls at the bottom can roll in the groove to be matched with the rotating cylinder 211 to rotate.
Preferably, the rotating assembly 23 comprises a top rotating member 231 and a bottom rotating member 232, the top rotating member 231 is composed of a top gear 2311 mounted on the outer wall of the top end of the rotating cylinder 211 and a top motor 2312 mounted on the upper surface of the top cover 11, and the top gear 2311 is in rotor transmission connection with the top motor 2312 through a transmission component. The bin bottom rotating member 232 is composed of a bottom gear 2321 installed on the outer wall of the bottom end of the rotating cylinder 211 and a bin bottom motor 2322 installed on the L-shaped supporting seat 15, and the bottom gear 2321 is in transmission connection with a rotor of the bin bottom motor 2322 through a transmission component. The upper and lower motors drive the rotary drum 211, so that the rotary drum 211 can keep relatively stable and balanced in the rotating process.
Preferably, the radius of the hole formed on the bin top cover 11 is larger than the outer diameter of the rotary cylinder 211, the distance between the hole and the center point on the plane of the rotary cylinder 211 is the same as the distance between the outer edge of the spiral chute 212 and the center point, one half of the hole on the bin top is sealed, and the other half of the hole forms the grain dumping opening 112; in addition, a grain pouring opening sealing cover 113 matched with the grain pouring opening 112 is also arranged. According to the technical scheme, the grain dumping opening 112 is arranged right above the spiral chute 212, grains can be directly dumped into the spiral chute 212, and the grain warehousing efficiency is improved.
Referring to fig. 6 and 7, the intelligent control method for the temperature in the granary based on long-term green grain storage adopts the granary based on long-term green grain storage, and further comprises a temperature sensor assembly 7, a sealing valve 8 and a controller 9, wherein the sealing valve 8 comprises a ventilation funnel bottom end sealing valve 81, a ventilation funnel top end sealing valve 82, a ventilation outlet sealing valve 83 and a cold air injection port sealing valve 84. The temperature sensor assembly 7 includes an in-bin temperature sensor group 71 and a bin bottom temperature sensor 72. The controller 9 is in communication with the sensor assembly 7, the sealing valve 8, the rotating assembly 23, the refrigerator 6, and the heat tracing band 2121, respectively. The cold air inlet 312 is located in the space of the funnel 31 that the funnel tip sealing valve 82 can seal.
In the initial state, the rotary drum vent 2111 and the funnel vent 311 are in the stationary state on the opposite side, the funnel bottom end sealing valve 81, the funnel top end sealing valve 82, the vent outlet sealing valve 83, and the cold air inlet sealing valve 84 are all in the closed state, and the refrigerator 6 and the heat tracing band 2121 are not in operation. The intelligent control method for the temperature in the bin comprises the following steps:
s1: an initial state;
s2: the in-bin temperature sensor group 71 detects the in-bin temperature according to a preset detection period;
s3: the controller 9 judges whether the temperature in the cabin is greater than 21 ℃, if so, the step S4 is executed; if not, go to step S8;
s4: the bin bottom temperature sensor 72 detects the temperature outside the bin;
s5: the controller 9 judges whether the outside temperature is greater than 21 ℃, if so, the step S6 is executed; if not, go to step S7;
s6: the controller 9 controls the sealing valve 81 at the bottom end of the funnel and the sealing valve 82 at the top end of the funnel to be closed, the sealing valve 83 at the vent outlet and the sealing valve 84 at the cold air inlet to be opened, the refrigerator 6 is operated, the heat tracing band 2121 stops operating, the rotating assembly 23 drives the rotating cylinder 211 to rotate 180 °, and step S2 is executed;
s7: the controller 9 controls the air funnel bottom end sealing valve 81, the air funnel top end sealing valve 82, the air vent outlet sealing valve 83 to be opened, the cold air injection port sealing valve 84 to be closed, the refrigerator 6 and the heat tracing band 2121 to stop working, the rotating assembly 23 drives the rotating cylinder 211 to rotate 180 degrees, and the step S2 is executed;
s8: the controller 9 judges whether the temperature in the cabin is less than 14 ℃, if so, the step S4 is executed; if not, go to step S3;
s9: the controller 9 judges whether the outside temperature is less than 14 ℃, if so, the step S10 is executed; if not, go to step S7;
s10: the controller 9 controls the air funnel bottom end sealing valve 81, the air funnel top end sealing valve 82, the air vent outlet sealing valve 83, and the cold air inlet sealing valve 84 to be closed, the refrigerator 6 stops operating, the heat tracing belt 2121 operates, the rotating assembly 23 drives the rotating cylinder 211 to rotate 180 °, and step S2 is executed.
In the above steps, when the heat tracing band 2121 stops working, the vent 2111 of the rotary drum and the vent 311 of the ventilation drum are always on the same side. That is, when the heat tracing band 2121 works, it is necessary to prevent heat in the cabinet from entering the ventilation tube 31 through the ventilation holes to cause energy loss, and when the heat tracing band 2121 does not work, the temperature in the cabinet can be changed by natural ventilation or cold air injection, and both natural wind and cold air need to enter through the ventilation holes. The technology ensures that the interior of the granary is always automatically kept in the temperature range capable of safely and environmentally storing grains, thereby ensuring the safety of long-term grain storage.
Further, when the controller 9 determines that the temperature difference between the respective points is large as detected by the group of in-bin temperature sensors 71, the rotating assembly 23 drives the rotating cylinder 211 to rotate at a constant speed in steps S6, S7, and S10. That is, when the grain in the bin is locally overheated or overcooled, the rotating cylinder 211 can be rotated while heating, refrigerating or ventilating, the grain at the bottom is enabled to go upwards through the spiral chute 212, the grain at the periphery of the bin goes downwards, and therefore the position of the grain is disturbed to achieve the purpose of temperature homogenization.
Further, the system further includes a manhole pressure sensor 1141 installed at the manhole 114 and a bottom pressure sensor 141 installed at the inner surface of the bottom cover 14, and when the controller 9 determines that either the manhole pressure sensor 1141 or the bottom pressure sensor 141 is zero, the controller 9 controls all the devices to return to the state of step S1. This technical scheme can guarantee maintainer's absolute safety on the one hand, and on the other hand can utilize the period in empty storehouse to send more electric energy, because only the natural draft state can generate electricity when having grain in the storehouse at ordinary times.
In conclusion, the granary based on long-term green grain storage and the intelligent control method for the temperature in the granary comprise a granary body 1, a rotating device 2 and a ventilation device 3, wherein the rotating device 2 is composed of a packing auger part 21, a fixed part 22 and a rotating assembly 23. Wherein, the packing auger component 21 consists of a rotary cylinder 211 and a spiral chute 212, and a heat tracing band 2121 is clamped inside the spiral chute 212; the ventilator 3 is composed of a ventilator 31 and a heat collecting tube 32. The air conditioner also comprises an air outlet 111, a refrigerator 6, an air vent and a power generation device 4. The technical scheme is favorable for controlling the internal temperature of the granary by reconstructing the structure of the granary, the internal temperature of the granary is kept constant by adopting natural ventilation, heating of the heat tracing band 2121 and cooling of the refrigerator 6, power is generated and supplied in a wind power generation mode to save energy, the grain breakage rate is reduced by utilizing the spiral chute 212, and local supercooling or overheating is prevented by turning the granary. In addition, the automatic closed-loop regulation of the temperature in the barn is realized by using an intelligent temperature control means, and the stability and the safety of long-term grain storage are improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a granary based on long-term green grain storage, includes storehouse body (1), storehouse body (1) from last to down comprises storehouse top cap (11), silo (12), funnel storehouse (13), storehouse bottom cap (14) and L type supporting seat (15), its characterized in that: the rotary device (2) is further comprised, and the rotary device (2) is composed of an auger component (21), a fixing component (22) for fixing the rotary device (2), and a rotary component (23) for driving the rotary device (2) to rotate; the packing auger component (21) consists of a hollow rotary cylinder (211) and a spiral chute (212) which is constructed around the outer wall of the rotary cylinder (211), and a heat tracing band (2121) is clamped in the spiral chute (212);
the device is characterized by further comprising a ventilation device (3), wherein the ventilation device (3) is composed of a hollow ventilation barrel (31) and a tower-shaped hollow heat collecting barrel (32) which is installed at the top end of the ventilation barrel (31), and the outer diameter of the ventilation barrel (31) is smaller than the inner diameter of the rotary barrel (211); the central areas of the bin top cover (11) and the bin bottom cover (14) are respectively provided with a hole, and the ventilating cylinder (31) penetrates through the holes formed in the bin top cover (11), the rotating cylinder (211) and the bin bottom cover (14) in sequence;
a plurality of rotary cylinder vent holes (2111) are uniformly formed in one side of the rotary cylinder (211), a ventilating cylinder vent hole (311) is formed in one side of a ventilating cylinder (31) in the rotary cylinder (211) and corresponds to the rotary cylinder vent hole (2111), and a detachable filter cylinder (2112) is matched with the rotary cylinder vent hole (2111); two sealing strips (5) are symmetrically arranged in a gap between the inner wall of the rotary cylinder (211) and the outer wall of the ventilating cylinder (31), are fixed on the outer wall of the ventilating cylinder (31), and are as long as the rotary cylinder (211);
ventilation outlet (111), access hole (114) have still been seted up in storehouse top cap (11), in addition, air conditioning filling opening (312) have been seted up to draft tube (31) top lateral wall, and surface mounting has refrigerator (6) on storehouse top cap (11), refrigerator (6) are through air conditioning filling opening (312) to inside injection air conditioning of draft tube (31).
2. The long-term green grain storage-based granary according to claim 1, wherein: the heat collecting device is characterized by further comprising a power generation device (4), wherein the power generation device (4) comprises a wind turbine (41) arranged at the bottom end of the heat collecting cylinder (32) and a power generator (42) arranged on the upper surface of the bin top cover (11), and the wind turbine (41) is in transmission connection with a rotor of the power generator (42) through a transmission device.
3. The long-term green grain storage-based granary according to claim 1, wherein: the fixed part (22) consists of a bin top fixed part (221) and a bin bottom fixed part (222), the bin top fixed part (221) comprises a support (2211) and a fixed ring (2212), the bin bottom fixed part (222) is cylindrical, and the inner side of the bin bottom fixed part is welded and fixed around the outer wall of the rotary cylinder (211); the fixing ring (2212) is fixed on the inner side of a hole formed in the bin top cover (11) through a support (2211), a groove is formed in the inner ring side of the fixing ring (2212), a plurality of steel balls are mounted in the groove, and the fixing ring (2212) is located on the lower side of the top gear (2311) and is matched with the outer diameter of the rotary cylinder (211); the lower surface of the bin bottom fixing piece (222) is provided with a ring groove, a plurality of steel balls are installed in the groove, the inner surface of the bin bottom cover (14) is provided with a ring groove in a matched mode, and the lower surface of the bin bottom fixing piece (222) is tightly attached to the inner surface of the bin bottom cover (14) through the steel balls.
4. The long-term green grain storage-based granary according to claim 1, wherein: the rotating assembly (23) comprises a bin top rotating piece (231) and a bin bottom rotating piece (232), the bin top rotating piece (231) is composed of a top gear (2311) installed on the outer wall of the top end of the rotating cylinder (211) and a bin top motor (2312) installed on the upper surface of a bin top cover (11), and the top gear (2311) is in transmission connection with a rotor of the bin top motor (2312) through a transmission part; the bin bottom rotating piece (232) is composed of a bottom gear (2321) installed on the outer wall of the bottom end of the rotating cylinder (211) and a bin bottom motor (2322) installed on the L-shaped supporting seat (15), and the bottom gear (2321) is in transmission connection with a rotor of the bin bottom motor (2322) through a transmission part.
5. The long-term green grain storage-based granary according to claim 1, wherein: the radius of a hole formed in the bin top cover (11) is larger than the outer diameter of the rotary cylinder (211), the distance between the hole and the center point on the plane of the rotary cylinder (211) is the same as the distance between the outer edge of the spiral chute (212) and one half of the hole of the bin top is sealed, and the other half of the hole forms a grain dumping opening (112); in addition, a grain dumping opening sealing cover (113) matched with the grain dumping opening (112) is also arranged.
6. The long-term green grain storage-based granary according to claim 2, wherein: the granary is provided with a plurality of granaries, and the generators (42) of all the granaries can be connected with each other in a grid mode to generate electricity.
7. The intelligent control method for the temperature in the granary based on long-term green grain storage is the granary based on long-term green grain storage according to claim 1, and is characterized in that: the air conditioner is characterized by further comprising a temperature sensor assembly (7), a sealing valve (8) and a controller (9), wherein the sealing valve (8) comprises a ventilating duct bottom end sealing valve (81), a ventilating duct top end sealing valve (82), a ventilating outlet sealing valve (83) and a cold air injection port sealing valve (84); the temperature sensor assembly (7) comprises an in-bin temperature sensor group (71) and a bin bottom temperature sensor (72); the controller (9) is respectively in communication connection with the sensor assembly (7), the sealing valve (8), the rotating assembly (23), the refrigerator (6) and the heat tracing band (2121); the cold air injection port (312) is positioned in the space of the ventilating funnel (31) which can be sealed by the top end sealing valve (82) of the ventilating funnel;
under an initial state, the rotary drum vent hole (2111) and the ventilating drum vent hole (311) are in a static state at the opposite sides, a ventilating drum bottom end sealing valve (81), a ventilating drum top end sealing valve (82), a ventilating outlet sealing valve (83) and a cold air injection port sealing valve (84) are in a closed state, and the refrigerator (6) and the heat tracing band (2121) do not work; the intelligent control method for the temperature in the bin comprises the following steps:
s1: an initial state;
s2: the in-bin temperature sensor group (71) detects the temperature in the bin according to a preset detection period;
s3: the controller (9) judges whether the temperature in the bin is higher than 21 ℃, if so, the step S4 is executed; if not, go to step S8;
s4: a bin bottom temperature sensor (72) detects the temperature outside the bin;
s5: the controller (9) judges whether the temperature outside the warehouse is more than 21 ℃, if so, the step S6 is executed; if not, go to step S7;
s6: the controller (9) controls the sealing valve (81) at the bottom end of the ventilating duct and the sealing valve (82) at the top end of the ventilating duct to be closed, the sealing valve (83) at the vent outlet and the sealing valve (84) at the cold air injection port to be opened, the refrigerator (6) works and the heat tracing band (2121) stops working, the rotating assembly (23) drives the rotating drum (211) to rotate 180 degrees, and the step S2 is executed;
s7: the controller (9) controls the sealing valve (81) at the bottom end of the ventilating duct, the sealing valve (82) at the top end of the ventilating duct, the sealing valve (83) at the vent outlet to be opened, the sealing valve (84) at the cold air injection port to be closed, the refrigerating machine (6) and the heat tracing band (2121) stop working, the rotating assembly (23) drives the rotating drum (211) to rotate 180 degrees, and the step S2 is executed;
s8: the controller (9) judges whether the temperature in the bin is less than 14 ℃, and if so, the step S4 is executed; if not, go to step S3;
s9: the controller (9) judges whether the temperature outside the bin is less than 14 ℃, if so, the step S10 is executed; if not, go to step S7;
s10: the controller (9) controls the sealing valve (81) at the bottom end of the ventilating duct, the sealing valve (82) at the top end of the ventilating duct, the sealing valve (83) at the vent outlet and the sealing valve (84) at the cold air injection port to be closed, the refrigerator (6) stops working, the heat tracing band (2121) works, the rotating assembly (23) drives the rotating drum (211) to rotate 180 degrees, and the step S2 is executed;
in the above steps, when the heat tracing band (2121) stops working, the vent hole (2111) of the rotary drum and the vent hole (311) of the ventilating drum are always on the same side.
8. The intelligent control method for the temperature in the granary based on the long-term green grain storage is characterized in that: when the controller (9) judges that the temperature sensor group (71) in the warehouse detects that the temperature difference of each point is large, in steps S6, S7 and S10, the rotating assembly (23) drives the rotating cylinder (211) to rotate at a fixed rotating speed all the time.
9. The intelligent control method for the temperature in the granary based on the long-term green grain storage according to any one of claims 7 or 8, wherein: the automatic control system also comprises a maintenance opening pressure sensor (1141) installed on the maintenance opening (114) and a bin bottom pressure sensor (141) installed on the inner surface of the bin bottom cover (14), and when the controller (9) judges that any one of the maintenance opening pressure sensor (1141) and the bin bottom pressure sensor (141) is zero, the controller (9) controls all the devices to return to the state of the step S1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210654613.1A CN114961385A (en) | 2022-06-10 | 2022-06-10 | Granary based on long-term green grain storage and intelligent control method for temperature in granary |
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| CN202210654613.1A CN114961385A (en) | 2022-06-10 | 2022-06-10 | Granary based on long-term green grain storage and intelligent control method for temperature in granary |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116097985A (en) * | 2022-12-28 | 2023-05-12 | 绩溪袁稻农业产业科技有限公司 | Intelligent temperature control grain storage device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116097985A (en) * | 2022-12-28 | 2023-05-12 | 绩溪袁稻农业产业科技有限公司 | Intelligent temperature control grain storage device |
| CN116097985B (en) * | 2022-12-28 | 2024-05-24 | 绩溪袁稻农业产业科技有限公司 | Intelligent temperature control grain storage device |
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