CN201233165Y - Vertical positive-pressure/negative-pressure microwave energy cereal drying and disinsection machine - Google Patents
Vertical positive-pressure/negative-pressure microwave energy cereal drying and disinsection machine Download PDFInfo
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- CN201233165Y CN201233165Y CNU2008200402264U CN200820040226U CN201233165Y CN 201233165 Y CN201233165 Y CN 201233165Y CN U2008200402264 U CNU2008200402264 U CN U2008200402264U CN 200820040226 U CN200820040226 U CN 200820040226U CN 201233165 Y CN201233165 Y CN 201233165Y
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Abstract
The utility model relates to a vertical type positive pressure\negative pressure microwave energy grain drying insecticidal machine, and solves the problem that grain storage industry has no high efficiency, rapid, convenient and energy saving grain drying insecticidal device. The machine comprises a granary, a microwave cavity, a postpositional handling cavity and a discharge storage bin which are connected orderly from top to bottom. The outlet of the granary is connected with the inlet of the microwave cavity which is provided with a rectangular cross section. Air holes are uniformly arranged on the bottom surface of the microwave cavity. A discharge opening is arranged in the middle of the bottom surface. A plurality of microwave feeds is uniformly arranged on two lateral walls of the microwave cavity. The microwave feeds are connected with an outlaid microwave source by microwave transmission wires. The other two lateral walls are respectively provided with an air exhaust opening. One side of the postpositional handling cavity is provided with an air-supply pipeline. A postpositional handling cavity lock gate is arranged in the middle of the bottom surface of the postpositional handling cavity. The utility model adopts microwave energy technology to realize rapid and high efficiency grain drying. The machine has compact structure, small volume, low operating temperature, low operating cost and high efficiency, and can exterminate grain pests effectively at the same time of drying the grain.
Description
Technical field
The utility model relates to a kind of cereal pesticidal drying apparatus, specifically microwave energy cereal pesticidal drying apparatus.
Background technology
For guaranteeing the quality of cereal storage, the water content of the cereal of storing preparing to put in storage has strict upper limit requirement.If the water content of cereal surpasses this restriction, cereal will not allow to put in storage.When the insect in the cereal reached certain density, the cereal of storage can face great qualitative change, the danger of going mouldy, and is very big to the quality influence of cereal storage.How killing grain pest also is the major issue that cereal storage industry faces.
At present the method for drying cereal that uses is except that Exposure to Sunlight, is that the hot-air (temperature reaches more than 120 ℃) with drying dries up processing to cereal substantially, and perhaps high temperature air adds that infrared radiation carries out drying to cereal.All kinds of crop dryers of selling on the market belong to this class substantially at present.The shortcoming of this method is that power consumption is huge, such drying equipment need be handled cereal with the high-temperature hot air more than 120 ℃ simultaneously, and this high temperature can produce sizable negative effect to the activity of cereal.As for the desinsection problem of cereal, the medicament fumigating method is carried out (this method has certain pollution to air) the desinsection in bulk storage plant adopts the storehouse, and small-sized grain warehouse and peasant household do not take any desinsection measure.This state is also demanded urgently changing.
Summary of the invention
Be badly in need of a kind of efficient, quick, convenient, energy-conservation cereal drying and cereal insect disinfestation device in order to solve cereal storage industry, the utility model provides a kind of vertical Zheng Ya negative pressure microwave energy cereal drying, disinfesting machine.
Design of the present utility model is as follows:
Vertical malleation negative pressure microwave energy cereal pesticidal drying apparatus utilizes microwave that the cereals material is had the heat intensive effect, cereal is anhydrated fast and the mechanism of efficient insecticide.Entire equipment comprises and connecting granary, microwave cavity, rearmounted process chamber from top to bottom successively and going out feed bin, and part such as external microwave source system, blower fan, negative inspiratory pressure machine, operating console;
Described granary is a funnel-form, and the outlet of granary is connecting the import of microwave cavity;
Microwave cavity is made by the metallic plate welding, its import department is provided with entrance gate, the cross section of microwave cavity is a rectangle, the microwave cavity bottom surface is laid with pore, its middle part, bottom surface is provided with discharging opening, and the discharging opening place is provided with discharge gate, and the microwave cavity two lateral walls is laid with microwave feedback mouth respectively, microwave feedback mouth is connected to external microwave source through microwave transmission line, and microwave cavity is respectively equipped with bleeding point in the two side in addition;
Rearmounted process chamber one side is provided with intake stack, and rearmounted process chamber bottom surface is bucket-shaped, and rearmounted process chamber gate is established at the middle part, bottom surface.
Described microwave cavity two lateral walls is laid with 8 microwave feedback mouths respectively.
Described feedback mouth is standard rectangular single-mode interface or multimode interface.
This device is used for that cereal is carried out cereal process chamber and microwave cavity dry and the desinsection operation and unites two into one.The motion of processed cereal in machine relies on the gravity of cereal itself fully and finishes, and need not add any power.
Microwave can be absorbed by the cereals material effectively, heating equably inside and outside cereal is carried out.In the process of heating using microwave, the object that water and water content are high (for example various cereal insect) is particularly violent to the absorption of microwave.Their temperature can be apparently higher than macroscopical ambient temperature of cereal.Here it is will produce the reason of strong anhydrate effect and insecticidal effect at normal temperatures with microwave treatment cereal.
The utility model is compared with existing all kinds of crop dryers, has following advantage:
1, this equipment not only can rapid draing cereal, reduce the water content of cereal, and can kill grain pest quite completely, obtain the effect of dual-use.
2, this equipment running temperature low (the efficient drying temperature under the negative pressure running status is that the efficient drying temperature is 40-50 ℃ under 35-45 ℃, operation under positive pressure state, effectively the desinsection temperature is 55-70 ℃), under this temperature, the activity of cereal can not be subjected to any injury.(running temperature of conventional dryer need be higher than 120 ℃, can injure the activity of cereal.)
3, processing time weak point, the single treatment process only needs 10-20 minute.It is a kind of efficient, energy-conservation device.(processing time of conventional dryer is tens hours)
4, the utility model volume little, in light weight, be easy to move, be easy to settle, be applicable to that all kinds of grain warehouses and big-and-middle-sized peasant household use.(traditional crop dryer is all heavy especially)
5, the operability of this equipment, controllability is good, automaticity is high.Use common civil power as power, be a kind of equipment of environment-friendly type.(conventional dryer has quite a few to use fire coal or fuel oil, and energy consumption height, the thermal efficiency be low, can cause air pollution.)
6, this equipment operating cost is low, the moisture content of one kilogram of cereal is reduced by 1 percentage point of required expense be no more than 1.5 fens (electricity charge are calculated by 0.8 yuan/degree).
7, this equipment cost is moderate: day output is ten thousand yuan of the about 10-14 of the equipment cost of 10-20 ton.About the same with traditional cost with equal disposal ability drying machine.
8, this equipment can also be handled various oilseeds (soybean, rapeseed, sunflower seeds etc.), all kinds of dry dry fruit etc. that needs except that can handling all kinds of cereal (paddy, wheat, corn etc.); Device structure changes a little, can also handle all kinds of light-weight articles (tealeaves, tobacco, medicinal material etc.) dry or dehydration that need.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described by embodiment.
Embodiment:
Vertical Zheng Ya negative pressure microwave energy cereal pesticidal drying apparatus comprises and is connecting granary 10, microwave cavity 1, rearmounted process chamber 6 from top to bottom successively and going out feed bin 11;
Granary 10 is a funnel-form, and the outlet of granary 10 is connecting the import of microwave cavity 1;
The import department of microwave cavity 1 is equipped with entrance gate 7, the cross section of microwave cavity 1 is a rectangle, microwave cavity 1 bottom surface is laid with pore, its middle part, bottom surface has discharging opening, the discharging opening place is equipped with discharge gate 8, microwave cavity 1 two lateral walls is laid with 8 microwave feedback mouths 2 respectively, each microwave feedback mouth is connected to the corresponding microwave emission port of external microwave source through microwave transmission line, microwave feedback mouth 2 is standard rectangular single-mode interface or multimode interface, and microwave cavity 1 two side in addition is respectively equipped with left bleeding point 4 and right bleeding point 5;
Rearmounted process chamber 6 one sides are equipped with intake stack 3, and rearmounted process chamber 6 bottom surfaces are bucket-shaped, and rearmounted process chamber gate 9 is established at the middle part, bottom surface.
Processor also comprises parts such as temp measuring system and operation control system.
Cereal is positioned in the granary 10 in advance, and cereal can enter microwave cavity 1 through entrance gate 7.Microwave cavity 1 is actually the interactional cavity of microwave and cereal, and by microwave heating equably substantially, concentrate and evaporate in the cereal by contained moisture in microwave cavity for cereal.In the chamber, be under the situation of good ventilation or negative pressure, free moisture blown out rapidly or sucking-off, the water content of cereal is minimized, and reaches the purpose of dried grain.When macroscopical temperature of cereal reached more than 55 ℃, grain pest can thoroughly be killed because of a large amount of microwaves that absorb simultaneously.Reach the purpose of killing grain pest.
The feed-in of microwave source and microwave: the employing frequency is that 2450MHz, general power are the split type microwave source of multi-magnetron (totally 16, single tube power output can reach 800W or 1500W) of 12-22KW.The microwave source power unit is made up of two power cabinets, and each cabinet can provide 8 magnetron electricity consumptions.16 road microwaves are intended by opening in microwave treatment chamber sidewall, even distribution and E face/H face stagger the microwave feedback mouthful feed-in chamber of laying.A standard rectangular single-mode interface or multimode interfaces are adopted in microwave feedback mouthfuls 2, by this interface microwave by the feed-in acting chamber.In the microwave feedback mouth medium-tight plate is set, cereal and microwave system can be kept apart.This arrangement makes cereal handle the storehouse becomes a multimode microwave cavity, helps the even heating of microwave to cereal.
The ventilating system of this device: the mounting hole metallic plate and the metal tube that are used for large granary are made intake stack 3 and ventilation dividing plate.The experiment proved that the microwave isolation of this porose metallic plate is also fine.Adopt the negative inspiratory pressure method in granary, to form negative pressure, or adopt the ensilage dump blower air blast in the chamber, to form malleation.These two kinds of operational modes can be selected for use arbitrarily by the operator.
The measurement of grain temperature: on the wall of microwave cavity chamber, open some 3mm apertures and use for temperature sensor.Operating personnel can regulate the microwave operational factor according to the situation of grain temperature.
The subsequent treatment of cereal: after the cereal behind the microwave action leaves the microwave action chamber, still have higher temperature.In order to make full use of the effect of this temperature, the rearmounted process chamber 6 of a cereal is set under microwave cavity, cereal continues to accept air-cooled in rearmounted process chamber 6 or negative pressure is handled.Handle through rearmounted, the temperature of cereal descends, and water content can further reduce.
Cereal is packed into and is drawn off: by simple manual or electronic entrance gate 7, discharge gate 8 and rearmounted process chamber gate 9 cereal in the granary 10 is imported microwave cavity 1 or cereal is discarded to out feed bin 11 by rearmounted process chamber 6.The motion of cereal in machine relies on the gravity of cereal itself fully and finishes, and need not add any power.
Claims (3)
1, vertical Zheng Ya negative pressure microwave energy cereal pesticidal drying apparatus is characterized in that: comprise connecting granary, microwave cavity, rearmounted process chamber from top to bottom successively and going out feed bin;
Described granary is a funnel-form, and the outlet of granary is connecting the import of microwave cavity;
Microwave cavity import department is provided with entrance gate, the cross section of microwave cavity is a rectangle, the microwave cavity bottom surface is laid with pore, its middle part, bottom surface is provided with discharging opening, the discharging opening place is provided with discharge gate, the microwave cavity two lateral walls is laid with microwave feedback mouth respectively, and microwave feedback mouth is connected to external microwave source through microwave transmission line, and microwave cavity is respectively equipped with bleeding point in the two side in addition;
Rearmounted process chamber one side is provided with intake stack, and rearmounted process chamber bottom surface is bucket-shaped, and rearmounted process chamber gate is established at the middle part, bottom surface.
2, vertical malleation according to claim 1 negative pressure microwave energy cereal pesticidal drying apparatus, it is characterized in that: described microwave cavity two lateral walls is laid with 8 microwaves feedback mouthful respectively.
3, vertical malleation according to claim 1 negative pressure microwave energy cereal pesticidal drying apparatus, it is characterized in that: described feedback mouthful is standard rectangular single-mode interface or multimode interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200402264U CN201233165Y (en) | 2008-07-01 | 2008-07-01 | Vertical positive-pressure/negative-pressure microwave energy cereal drying and disinsection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200402264U CN201233165Y (en) | 2008-07-01 | 2008-07-01 | Vertical positive-pressure/negative-pressure microwave energy cereal drying and disinsection machine |
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| Publication Number | Publication Date |
|---|---|
| CN201233165Y true CN201233165Y (en) | 2009-05-06 |
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| CNU2008200402264U Expired - Fee Related CN201233165Y (en) | 2008-07-01 | 2008-07-01 | Vertical positive-pressure/negative-pressure microwave energy cereal drying and disinsection machine |
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| CN (1) | CN201233165Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102422834A (en) * | 2011-12-20 | 2012-04-25 | 湖南省中晟热能科技有限公司 | Microwave insecticidal mildew resisting device for rice |
| CN105928323A (en) * | 2016-04-28 | 2016-09-07 | 华中农业大学 | Grain microwave and fluidization combined drying equipment, drying method and application |
| RU2727118C1 (en) * | 2019-11-06 | 2020-07-20 | Государственное бюджетное образовательное учреждение высшего образования Нижегородский государственный инженерно-экономический университет (НГИЭУ) | Polyethylene granules dehydrator with ultrahigh-frequency electromagnetic field sources |
| CN115751914A (en) * | 2022-08-16 | 2023-03-07 | 农业农村部南京农业机械化研究所 | Vertical internal circulation microwave convection coupling grain drying device and drying method thereof |
-
2008
- 2008-07-01 CN CNU2008200402264U patent/CN201233165Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102422834A (en) * | 2011-12-20 | 2012-04-25 | 湖南省中晟热能科技有限公司 | Microwave insecticidal mildew resisting device for rice |
| CN105928323A (en) * | 2016-04-28 | 2016-09-07 | 华中农业大学 | Grain microwave and fluidization combined drying equipment, drying method and application |
| RU2727118C1 (en) * | 2019-11-06 | 2020-07-20 | Государственное бюджетное образовательное учреждение высшего образования Нижегородский государственный инженерно-экономический университет (НГИЭУ) | Polyethylene granules dehydrator with ultrahigh-frequency electromagnetic field sources |
| CN115751914A (en) * | 2022-08-16 | 2023-03-07 | 农业农村部南京农业机械化研究所 | Vertical internal circulation microwave convection coupling grain drying device and drying method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 Termination date: 20120701 |