CN201533509U - Intelligent low-temperature grain storage automatic control system - Google Patents
Intelligent low-temperature grain storage automatic control system Download PDFInfo
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- CN201533509U CN201533509U CN2009200144981U CN200920014498U CN201533509U CN 201533509 U CN201533509 U CN 201533509U CN 2009200144981 U CN2009200144981 U CN 2009200144981U CN 200920014498 U CN200920014498 U CN 200920014498U CN 201533509 U CN201533509 U CN 201533509U
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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
Abstract
The utility model relates to an intelligent low-temperature grain storage automatic control system, which is provided with a plurality of three-dimensional vent pipes which are vertically inserted in the storage space of the interior of the grain store, three-dimensional vent branch pipes are divided into a plurality of groups of first branch pipes and second branch pipes which can enable the blast and the air absorption to be interchanged for use, wherein the first branch pipes are respectively connected with the air outlet of a circulating fan through a first manifold pipe and a first main pipe, the second branch pipes are connected with the air inlet of the circulating fan through a second manifold pipe and a second main pipe, a first communication pipe and a second communication pipe which control the reversing control of the wind direction of the first branch pipes and the second branch pipes through an air valve are arranged between a blast main pipe and an air absorption main pipe, and the first branch pipes, the second branch pipes, the first manifold pipe, the second manifold pipe, the first main pipe and the second main pipe are respectively provided with an electric air valve connected with a control device. The utility model achieves the purpose of green storage in grain quality, capital saving and energy saving, and ensures the safety and health of control personnel, reduces labor intensity, and is easy to operate.
Description
Technical field
The utility model relates to a kind of low-temperature grain-storage technology, specifically a kind of intelligent low-temperature grain storage automatic control system.
Background technology
Economic development along with society, improving constantly of scientific and technological level and living standards of the people, people increase day by day to the demand of the pollution-free food of high-quality, high nutrition, and the green of grain, environmental protection storage have been listed in the important topic of storage work, are the developing direction of world food storage.
Low-temperature grain-storage is the reliable assurance of modern foodstuff preservation industry " low consumption, low cost, low pollution, high-quality, high nutrition, high benefit ".After China joined WTO, make the foodstuff preservation industry in the overall situation that incorporates globalization to a greater extent, improve stored grain quality, reduce the grain storage cost, guarantee stored grain safety and fresh-keeping degree, help improving the competitive ability of China's grain industry, help national people and can be able to eat green, fresh food in international grain market.
In order to guarantee the no worm of grain heap, if the normal temperature grain storage, need carry out medical treatment every year to the grain that stores, and disregards the consumption of fund, and the processing of medicine residue causes very big harm to social environment.Owing to the chemicals kind scarcity that is used for grain is prevented and treated, insect develops immunity to drugs gradually to existing medicament, and stifling repeatedly and drug abuse is also brought harm to society gradually.During grain routine storage, infested going mouldy happens occasionally, the grain storage prolongation in time and the rising of temperature under the normal temperature, and the aging speed of grain is accelerated, and its nutritional quality loss is serious.
Since the reform and opening-up, the grain industry often runs into following problem in purchase and deposit process: in the grain purchases process, can not guarantee the control of safe moisture content index fully, if press the safe moisture purchase, be difficult to find enough grain sources.For finishing the purchase task, need relax the grain purchases moisture content index.The grain than high-moisture of new purchase need be handled through airing or oven dry, reach safe moisture after, the safe storage of just can putting in storage.The expense that airing or drying course produce, loss and the influence of grain fresh keeping degree compared with the method than high-moisture that the drying generator function of this system of use goes to handle in the grain all have gap largely.And low-temperature grain-storage can suitably relax the moisture content index of grain, to guarantee the freshness of grain; At the grain of 15 ℃ of following ambient storage, avoided the growth reproduction of grain storage pest, omitted chemicals control to grain.At present, the grain storage system that can satisfy aforementioned requirement does not appear in the newspapers as yet.
The utility model content
At above-mentioned many weak points that grain warehousing system in the prior art exists, the technical problems to be solved in the utility model provides the intelligent low-temperature grain storage automatic control system of a kind of realization the " green storage ".
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The utility model intelligent low-temperature grain storage robot control system(RCS) has a plurality of stereoscopic ventilation pipes, vertically be located at the silo internal storage space, the stereoscopic ventilation arm is divided into the air blast of many groups and first arm and second arm that uses exchanged in air draught, and wherein first arm links to each other with the air outlet of circulating fan by first manifold, first house steward respectively; Second arm links to each other with the air inlet of circulating fan by second manifold, second house steward respectively; Be provided with between first house steward and second house steward by air-valve first arm and second arm are carried out first and second cross over pipe that the wind direction commutation is controlled, be equipped with the Electric air valve that links to each other with control device on above-mentioned first arm, second arm, first manifold, second manifold, first house steward and second house steward.
Described many group first arms and second arm with the single-row alternate layout of the unit of classifying as, form the stereoscopic ventilation pipe network that is made of single-row independent many groups ventilation duct of controlling in storage space; Described first house steward goes up parallel connection and is provided with refrigerating evaporator and humidifier; Be provided with airtight thermal-insulating sealing layer above the inner grain reservation of described silo, it is for being equipped with insulation material in the centre of the airtight plastic film of insulation, and the plastic, thermal-insulation diaphragm seal closely sticks on the interior walls of silo; The thermal-insulating sealing layer is provided with the sample hole and local grain feelings are handled the standby jack of airduct.
The utlity model has following beneficial effect and advantage:
1. guarantee the grain storage quality, save money and energy.The utility model is arranged by silo inner ventilation pipeline, the inner three-dimensional commutation of silo is ventilated, utilize natural conditions to enforcement science controls such as the temperature of grain heap, humidity, can save airing expense, retention fee, reduce grain keeping loss; When storage expires outbound, grain fresh keeping degree height, quality loss is little.
2. realized " green storage ".Because the utility model enforcement low-temperature grain-storage has greatly suppressed grain storage pest and microbial growth is bred, cold air circulates under film, grain is hedged off from the outer world, avoided the cross-infection of grain storage pest, grain does not contact with fumigation medicament, has reached the purpose of green storage.
3. the safety that guarantees the control personnel is with healthy.The utility model is because of having realized " green storage ", airtight warehouse needed material goods and materials expense such as breathing mask and articles for use expense when having avoided stifling.The more important thing is and avoid contacting of control personnel and poisonous fumigation medicament, the safety that has guaranteed the control personnel is with healthy.
4. minimizing labour intensity is simple to operate.Use silo of the present utility model to need not grain is implemented a large amount of work such as cool solarization, dispenser, greatly reduced labour intensity and expense, the control device part is after simple training, and general personnel can operate.
Description of drawings
The general structure schematic diagram of air pipeline when Fig. 1 ventilates for the utility model forward;
The general structure schematic diagram of air pipeline when Fig. 2 ventilates for the utility model commutation;
Fig. 3 is that the utility model chamber storehouse neutral body branch vent is arranged schematic diagram;
Fig. 4 is the utility model control device structured flowchart;
The control method flow chart that Fig. 5 adopts for the utility model;
Fig. 6 is commutation control circulation process figure in the control method of the utility model employing;
Fig. 7 is row cycle detection flow chart in the control method of the utility model employing;
Fig. 8 is automatic circulation process figure in the control method of the utility model employing;
Fig. 9 is overtemperature alarm testing process figure in the control method of the utility model employing.
Embodiment
Present embodiment is example with the chamber storehouse.Shown in Fig. 1～3, the utlity model has a plurality of stereoscopic ventilation arms, vertically be located at silo 1 internal storage space, the stereoscopic ventilation arm is divided into the air blast of many groups and first arm 19 and second arm 20 that uses exchanged in air draught, and wherein first arm 19 links to each other with the air outlet of circulating fan 2 by first manifold 13, first house steward 15 respectively; Second ventilation duct 20 links to each other with the air inlet of circulating fan 2 by second manifold 14, second house steward 16 respectively; Be provided with first and second cross over pipe 17,18 that first arm 19 and second arm 20 is carried out wind direction commutation control by air-valve between first house steward 15 and second house steward 16; Be equipped with each main valve that links to each other with control device on above-mentioned first arm 19, second arm 20, first manifold 13, second manifold 14, first house steward 15 and second house steward 16, wherein the 2nd, the 3rd, the 4th and the 6th main valve 9,10,11,12 and first communicating pipe 17 and second cross over pipe 18 are worked in coordination, and realize the commutation ventilation function under the effect of control device.
Many group first arms 19 and second arm 20 are the single-row alternate layout of unit with the group in storage space, form the stereoscopic ventilation pipe network that the ventilation duct groups by many groups of independent controls constitute; Wherein N row air draught valve 4 and N row air blast valve 3 are single group (row) control air-valves of many group manifolds, and establish about 30 in every storehouse, and the single group of control (row) is ventilated.Parallel connection is provided with evaporator 6 and humidifier 5 on first house steward 15.
Be provided with airtight thermal-insulating sealing layer above the silo 1 inner grain reservation, it is for being equipped with insulation material in the centre of the airtight plastic film of insulation, and the plastic, thermal-insulation diaphragm seal closely sticks on the interior walls of silo 1; The thermal-insulating sealing layer is provided with the sample hole and local grain feelings are handled the standby jack of airduct; Insulation material is rice husk and PEF special-purpose thermal insulation materials such as (polyethylene from high pressure processes).Above-mentioned insulation construction forms circulating ventilation system under the film.
In the present embodiment, it is the stainless steel tube of 38mm that first arm 19 and second arm 20 adopt diameter, 1.5 meter one joint, and the Inside and outside screw snapping head that adopts stainless steel tube self to suppress between two pipes, circulating fan 2 adopts the D692645-4.3A models, and power is 4KW; First manifold 13, second manifold 14, first house steward 15 and second house steward 16 adopt the high-quality plastics pipe with sufficient intensity tool good seal.First arm 19 and second arm 20 are provided with perforate, and the perforate of granule grain ventilation ducts such as paddy rice and wheat is 1.9mmX10mm; The perforate of bulky grain such as corn and soybean grain ventilation duct is 2.2mmX10mm; The levels percent opening of stereoscopic ventilation pipe is decided according to the needs of different grain varieties, air blast, air draught, and the levels ventilation duct adopts 6 row perforates, 8 row perforates and 9 row perforates respectively.Percent opening (area ratio) is selected by layer between 15%-25%.
Described many group first arms 19 and second arm 20 are by the control of first and second cross over pipe 17,18 and each main valve, and all kinds of storehouses type can realize all around, the ventilation of commutation up and down as required.(ventilation of commutation up and down of chamber storehouse and vertical silo is that realize in the bulging air draught loop that utilizes original ground cage and the following 3 meters aspiration channels of grain face to combine.)
As shown in Figure 4, control device of the present utility model adopts host computer and slave computer to cooperate control, and host computer carries out wireless telecommunications as management level by data radio station and slave computer, can realize functions such as the demonstration of real time data and parameter setting, report printings; Slave computer with PLC as control core, its input connects all kinds of spot sensors, the transmitter that comprises temperature sensor, humidity sensor and pressure sensor, output is connected to the compressor in circulating fan 2 and frequency converter, each main valve and the evaporator 6, and there is the intelligent low-temperature grain storage automatic control program PLC inside.
Industrial Control Computer software is according to the analysis of the feedback signal of scene temperature, blast, realized that calculator automatically detects, analyzes and handle the situation of grain reservation in the whole grain depot.
As shown in Figure 5, the autocontrol method of the utility model employing is realized by following steps:
Beginning judges whether the main controlling element in the control device passes through self diagnosis;
As pass through, then judge whether to carry out overtemperature alarm and detect;
Detect as not carrying out overtemperature alarm, then judge whether to carry out automatic cycle detection;
As not carrying out automatic cycle detection, judge whether that then the N row circulating ventilation of carrying out many group first arms 19 and second arm 20 detects, wherein N is a natural number;
Detect as not carrying out the circulating ventilation of N row, judge whether that then the commutation cycle ventilation of carrying out many group first arms 19 and second arm 20 detects;
Detect as not carrying out the commutation cycle ventilation, then carry out temperature detection;
The output testing result finishes one time the loop control process.
As shown in Figure 6, the commutation cycle process of first arm 19 and second arm 20 is as follows:
Detect if carry out the commutation cycle ventilation, then call the commutation cycle subprogram and carry out the commutation cycle ventilation according to the following steps:
Set commutating period, and judge whether this time arrives;
As be less than, open the 2nd main valve 9, open the 6th main valve 12;
Close the 3rd main valve 10, close the 4th main valve 11;
Start the compressor of circulating fan 2 and evaporator 6;
The end that once circulates of this direction;
If arrive commutating period, then open the 3rd main valve 10, open the 4th main valve 11;
Close the 2nd main valve 9, close the 6th main valve 12;
Start the compressor of circulating fan 2 and evaporator 6;
Main program is returned in the end that once circulates of this direction.
Can set on host computer procedure commutating period according to the height of scene temperature value, and operated by rotary motion is about half an hour to one hour, to reach the purpose of raising the efficiency.
As shown in Figure 7, N row loop detection process is as follows:
If there is not the overtemperature alarm signal, there is not automatic cycle signal yet, then open the 1st main valve 8, close the 5th main valve 7;
Open the 2nd main valve 9, close the 3rd main valve 10;
Open the 6th main valve 12, close the 4th main valve 11;
Open N row air draught valve 4 and N row air blast valve 3;
Start the compressor of circulating fan 2 and evaporator 6;
Finish, return main program.
As shown in Figure 8, loop detection process is as follows automatically:
As carry out automatic cycle detection, then call automatic cycle detection subprogram and carry out automatic cycle detection according to the following steps:
Judged whether the overtemperature alarm signal;
If there is not the overtemperature alarm signal, then open the 1st main valve 8, close the 5th main valve 7;
Open the 2nd main valve 9, close the 3rd main valve 10;
Open the 6th main valve 12, close the 4th main valve 11;
Open N row air draught valve 4 and N row air blast valve 3;
Start the compressor of circulating fan 2 and evaporator 6;
Whether detect grain moisture content normal;
Be lower than safe moisture content as grain moisture content, then open the 5th main valve 7, start 5 pairs of grains of humidifier and add wet process;
Finish this time cycle detection automatically, return main program.
As shown in Figure 9, the overtemperature alarm testing process is as follows:
As carry out overtemperature alarm and detect, then call overtemperature alarm detection subprogram and carry out the overtemperature alarm detection according to the following steps:
Open the 1st main valve 8, close the 5th main valve 7;
Open the 2nd main valve 9, close the 3rd main valve 10;
Open the 6th main valve 12, close the 4th main valve 11;
Open row air draught valve 4 and row air blast valve 3;
Start the compressor of circulating fan 2 and evaporator 6;
Whether the temperature that detects storage space has the overtemperature alarm signal, if having, then goes to and opens row air blast valve 3 and air draught valve 4;
If there is not the overtemperature alarm signal, then finish this overtemperature alarm and detect, return main program.
In the present embodiment, open main valve according to the order that sets in advance, open 1-5 row first arm, 19 air blast valves 3 and 1-5 row second arm 20 air draught valves 4, after running to setting-up time, open the air blast valve and the air draught valve of equal number again, close the air blast valve and the air draught valve of operation last time in succession, circulation is so again and again carried out.If system at first handles the temperature of alarm region when meeting heat alarm.Host computer sends instruction according to the heat alarm of system, and the air blast valve in the alarm region, air draught valve are opened.The general alarm temperature is located at 14 ℃, and ventilation time is provided with on the PLC program.Blast control is the feedback signal according to pressure sensor, and the frequency conversion of control frequency converter realizes with control circulating fan revolution.
In the present embodiment, the low-temperature grain-storage automatic control system is utilized power (system's aggregate power of 8KW, comprise circulating fan adapted motor, refrigerating evaporator compressor adapted motor, detect control system), utilize winter in China the Northeast under the condition of sufficient condition air blast cooling of natural low temperature, the silo of 5000-6000 ton is guaranteed safety below 15 ℃, fresh-keeping aestivating; Grain moisture when putting in storage spring is inclined to one side, and roughly about 16.5%, than the drying generator of high-moisture grain, start at the beginning of 7 months was shut down at the beginning of 10 months, and grain security is aestivated, and fresh-keeping degree is good, and no grain storage pest harm takes place.An amount of modified being achieved in the foodstuff preservation process.
The utility model is specially adapted to the silo of longer term storage.Utilize the condition of physioclimate in winter, grain air blast in the storehouse is cooled to subzero about 10 ℃, carry out the sealing heat insulation work before commentaries on classics is warm, this is the sufficient and necessary condition that the miniature energy-saving refrigeration plant guarantees grain in summer low temperature.
Refrigerating evaporator 6 is except that reducing the grain temperature, and grain moisture content that also can moisture content is higher slowly disengages, and reaches safe moisture content gradually.Realize the purpose of drying generator, through sample examination, when grain moisture content is lower than safe moisture, can start humidifier 5, make the grain that is lower than safe moisture content, humidification is fresh-keeping gradually.
The utility model is based on circulating ventilation under the film, when summer and autumn, temperature was higher, utilizing the ventilation equipment in the equipment is circulating fan 2, dash first ventilation duct 19 (or second ventilation duct 20) that many row's 1.9mm * 10mm rectangle ventilation holes are arranged by many rows (row), with the hot-air sucking-off in the grain heap, refrigerating evaporator 6 in the process system is with its cooling, utilize other (row) second arm 20 (or first arm 19) of arranging a group more again, by circulating fan 2 cold air is blasted and piled by the grain of film and gland material heat insulating and sealing.The simultaneous temperature checkout gear is beamed back temperature data, send into calculator through the RS232 serial ports, intellectual analysis software and Ventilation Control hardware (comprise calculator, Electric air valve on on-the-spot PLC (Programmable Logic Controller) and each the single-row ventilation duct), circulating ventilation process to cold and hot air exchange is carried out automatic analysis and Control, finally make the interior grain stack temperature of silo remain at (cryopreservation temperature control requirement) below 15 ℃ or (quasi-low-temperature storage temperature control requirement) below 20 ℃, suppress grain storage pest growth reproduction and microbial activities, realize the grain fresh keeping storage and the safety of silo are crossed the summer with smaller power, in this equipment of use, by the inner cold and hot air circulation (utilizing the difference of cold and hot air absolute humidity) of grain heap, grain moisture content is slowly disengaged at refrigerating evaporator 6 places, thereby reach the purpose of drying generator.
In the present embodiment, single-row ventilation duct obtains independent control, and forms the stereoscopic ventilation pipe network by the ventilation duct group of many groups of independent controls.Because the realization of single-row control, make 1260m
2Big silo be divided into more than 30 small size and go batch processing, commutation is ventilated in addition, has avoided the generation of the hot skin phenomenon of the cold heart of large storehouse, particularly commutation is ventilated and is made " cold core " in the silo obtain using energy source, and the modified easier realization of calculator.
The utility model can be saved a large amount of warehousing costs.Take turns and be changed to example to store 5000 tons of paddy rice warehouses, 2 years storage lifves:
1. savable airing expense:
Airing need manually be removed for twice at least and smash to safe moisture content.Because the labor cost height is added the electricity charge, tarpaulin, mechanical depreciation, various goods, materials and equipments consumption, material articles for use, keeping laboratory fee etc., according to 30 yuan of measuring and calculating need per ton, counts 150,000 yuan.
2. the loss of the non-moisture content decrement of savable airing:
In the airing process, owing to turning over, smashes in airing place grain, mechanical backing, part grain grain is powdered, loses edibility; Add other reasons such as wind and weather, whole Gui Cang, loss can reach 2/1000ths.By 2000 yuan of calculating per ton, 20,000 yuan of meter losses.
3. the quality loss after the savable airing:
The paddy rice of airing, because the sunlight insolation produces a large amount of quick-fried waist grains, in process, difficulty of processing is big, and head rice rate is low, and it is many to crack rice.Milled rice rate will reduce by 2% (accessory substance is cracked rice, rice chaff with corresponding increase by 2%), will reduce 70 tons of rice output, increase by 70 tons of by-products, will lose 140,000 yuan after offseting.
4. can reduce the expense of control:
Because the cryogenic property of the utility model grain storage has greatly suppressed grain storage pest and microbial growth is bred, cold air circulates under film, and grain is hedged off from the outer world, and has avoided the cross-infection of grain storage pest, thereby has saved expenses for prevention and control; The wear and tear expense of grain storage pest moth grain food, airtight warehouse needed material goods and materials expense when stifling; Breathing mask, articles for use expense and health subsidies are used.The more important thing is and avoid contacting of control personnel and poisonous fumigation medicament, the safety that has guaranteed the control personnel is with healthy.Grain does not contact with fumigation medicament, has reached the purpose of green storage.The annual like this expenses for prevention and control that can save 20,000 yuan at least.
5. increasable income when rotating:
This system utilizes scientific and technical means, and low temperature precipitation reaches green purpose of storing without chemical agent, and the grain color and luster is fresh during outbound, product are of fine quality, loss is little, and fresh-keeping degree height is a pollution-free food, without airing (oven dry), there is not quick-fried waist grain, the head rice rate height.The broken rice of processing is few, and regularity is good, bright in color, features good taste, yield rate height.Therefore, during outbound, compare with the paddy rice after shining, every jin, a traditional unit of weight exceeds 2 fens at least, and only this item can be increased income 200,000 yuan.
By the social benefit analysis, more than five diminishbb every year on average expenses and increasable income to add up to be 27.5 ten thousand yuan.Use depreciation cost, maintenance cost, power consumption expense and the contingency sum of this system, annual 4.25 ten thousand yuan of meter.Can save more than 20 ten thousand yuan every year.Store after 2 years, when carrying out outbound and rotating, can produce more than 40 ten thousand yuan benefit altogether.
After grain was stored 2 years routinely, even safe moisture content also can produce the moisture content decrement, especially boreal climate was dry regional, and loss will be bigger.According to the practice by turns of the countries concerned's grain depot, loss can reach 0.5-1.0%.Use this system can pass through the computer realization intelligent control to grain moisture content, make temperature, the humidity of grain heap constant, or utilize humidification function to carry out humidification, adjust grain moisture content being lower than safe water content grain, thereby avoid unnecessary moisture content decrement, and help the fresh-keeping of grain.
Use this system behind installation testing, easy and simple to handle, the automaticity height, after simple training, general personnel can operate.
Tall and big silo and vertical silo are near the vent riser of the fixing Φ 50mm in bulkhead 500mm place, Φ 6 steel wire cables are housed in the pipe, the 18B20 digital temperature sensor is equipped with for 1 meter in every interval, under the drive of weight, get final product thermometric, the effective length that adjustable again rectification campaign pipe ventilates, to reach ventilation segment processing tall and big silo and vertical silo, guarantee it about temperature all below 15 ℃.
Claims (4)
1. intelligent low-temperature grain storage automatic control system, it is characterized in that: have a plurality of stereoscopic ventilation pipes, vertically be located at silo (1) internal storage space, the stereoscopic ventilation arm is divided into the air blast of many groups and first arm (19) and second arm (20) that uses exchanged in air draught, and wherein first arm (19) links to each other with the air outlet of circulating fan (2) by first manifold (13), first house steward (15) respectively; Second arm (20) links to each other with the air inlet of circulating fan (2) by second manifold (14), second house steward (16) respectively; Be provided with between first house steward (15) and second house steward (16) by air-valve first arm (19) and second arm (20) are carried out first and second cross over pipe (17,18) that the wind direction commutation is controlled, be equipped with the Electric air valve that links to each other with control device on above-mentioned first arm (19), second arm (20), first manifold (13), second manifold (14), first house steward (15) and second house steward (16).
2. by the described intelligent low-temperature grain storage automatic control system of claim 1, it is characterized in that: described many group first arms (19) and second arm (20) with the single-row alternate layout of the unit of classifying as, form the stereoscopic ventilation pipe network that is made of single-row independent many groups ventilation duct of controlling in storage space.
3. by the described intelligent low-temperature grain storage automatic control system of claim 1, it is characterized in that: described first house steward (15) goes up parallel connection and is provided with refrigerating evaporator (6) and humidifier (5).
4. by the described intelligent low-temperature grain storage automatic control system of claim 1, it is characterized in that: be provided with airtight thermal-insulating sealing layer above the inner grain reservation of described silo (1), it is for being equipped with insulation material in the centre of the airtight plastic film of insulation, and the plastic, thermal-insulation diaphragm seal closely sticks on the interior walls of silo (1); The thermal-insulating sealing layer is provided with the sample hole and local grain feelings are handled the standby jack of airduct.
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| CN2009200144981U CN201533509U (en) | 2009-06-10 | 2009-06-10 | Intelligent low-temperature grain storage automatic control system |
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| CN102475138A (en) * | 2010-11-25 | 2012-05-30 | 浙江青风制冷设备制造有限公司 | Grain ventilation cooling device as well as its system |
| CN103385070A (en) * | 2013-08-16 | 2013-11-13 | 青岛农业大学 | Local dehumidification device in grain storage pile |
| CN103901834A (en) * | 2012-12-30 | 2014-07-02 | 航天信息股份有限公司 | Method for controlling operation of putting grain in and out of warehouse |
| CN103941774A (en) * | 2014-03-08 | 2014-07-23 | 苏州边枫电子科技有限公司 | Barn monitoring system based on computer control |
| CN103955244A (en) * | 2014-03-24 | 2014-07-30 | 苏州边枫电子科技有限公司 | GSM wireless control system based on thermistor detection |
| CN103947393A (en) * | 2014-04-29 | 2014-07-30 | 杭州天跃气体设备制造有限公司 | Automatically controlled grain storage warehouse |
| CN105075546A (en) * | 2015-09-22 | 2015-11-25 | 北京之云科技有限公司 | Barn ventilating system and method |
| CN105630043A (en) * | 2014-11-07 | 2016-06-01 | 湖南银光粮油股份有限公司 | Intelligent grain bin and grain bin temperature and humidity control method |
| CN108459643A (en) * | 2018-05-10 | 2018-08-28 | 鞍山市粮食科学研究所 | A kind of new energy Intelligent target is to air-cooled green storage technique |
| CN108643665A (en) * | 2018-07-04 | 2018-10-12 | 肖昭然 | A kind of energy silo and major diameter silo system |
| CN108702949A (en) * | 2018-06-26 | 2018-10-26 | 刘静霞 | A kind of stowage arrangement of forestry wet storage seed |
| CN111742723A (en) * | 2020-06-17 | 2020-10-09 | 浙江穗丰机电科技有限公司 | Granary cooling system |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102475138A (en) * | 2010-11-25 | 2012-05-30 | 浙江青风制冷设备制造有限公司 | Grain ventilation cooling device as well as its system |
| CN103901834A (en) * | 2012-12-30 | 2014-07-02 | 航天信息股份有限公司 | Method for controlling operation of putting grain in and out of warehouse |
| CN103385070B (en) * | 2013-08-16 | 2016-05-25 | 青岛农业大学 | Dry damp-eliminating apparatus the interior part of a kind of grain storage heap |
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