CN103398565B - Dehumidification heat-pump type grain drying machine - Google Patents
Dehumidification heat-pump type grain drying machine Download PDFInfo
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- CN103398565B CN103398565B CN201310321221.4A CN201310321221A CN103398565B CN 103398565 B CN103398565 B CN 103398565B CN 201310321221 A CN201310321221 A CN 201310321221A CN 103398565 B CN103398565 B CN 103398565B
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- drying
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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
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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Abstract
The invention discloses a dehumidification heat-pump type grain drying machine which comprises a heat-pump drying unit and a drying tower connected with the heat-pump drying unit. Through working of a compressor in the heat-pump drying unit, heat in air is absorbed, and delivered with a portion of electric energy consumed in purpose of driving a cooling system to work into a drying channel, so that drying of grain in the drying tower is realized. Drying of the grain is efficient, and energy consumption is reduced.
Description
Technical field
The present invention relates to agribusiness middle peasant products drying-machine group, specifically a kind of dehumidifying pump type heat grain drying machine.
Background technology
At present, the dryer that China and even the whole world mainly adopt mainly contains the method for " fuel oil-air-supply " " burn wood-air-supply " or other directly the burn energy or crops.
The unit of " fuel oil-air-supply " and " burn wood-air-supply " is all fuel type, can increase flue dust, CO, CO
2deng the discharge of pollutant, this is under the condition of current China atmospheric environment severe exacerbation, is worthless when environmental requirement is increasingly important." fuel oil-air-supply " technique mainly does fuel with diesel oil, can strive fuel oil with other industry, not only can increase the weight of the energy supply pressure that yet more can increase the weight of country to the pollution of environment." burn wood-air-supply " technique mainly does fuel with stalk, bavin, rice chaff etc., and the pollution of these fuel to environment is more serious." fuel oil-air-supply " and " burn wood-air-supply " unit is all mineral and biological as fuel, and the costliness of use cost certainly will increase the burden of the vast farmers of China.Moreover the imperfect combustion of fuel must cause again air-polluting to aggravate and the loss of the energy.
Summary of the invention
For the deficiencies in the prior art, the invention provides dehumidifying pump type heat grain drying machine, solve the environmental pollution existed in prior art serious, the drawback that use cost is high, can dry heat grain efficiently.
The present invention is achieved through the following technical solutions: dehumidifying pump type heat grain drying machine, the drying tower comprising heat pump drying unit and be connected with described heat pump drying unit, described heat pump drying unit comprises air inlet, described heat pump drying unit comprises air dewetting loop, and described air dewetting loop comprises the compressor be connected successively, cross valve, condenser, device for drying and filtering, first heating power expansion valve, dehumidification heat exchange, and described dehumidification heat exchange connects described cross valve, and described heat pump drying unit also comprises air circulation duct and at least one refrigerant circulation loop, and described refrigerant circulation loop comprises described compressor, described cross valve, described condenser, described device for drying and filtering, second heating power expansion valve and evaporimeter, described compressor, described cross valve, described condenser, described device for drying and filtering, second heating power expansion valve and evaporimeter are connected to form closed circuit successively, and described air circulation duct comprises the pipeline be communicated with described air inlet, and described pipeline is communicated with described drying tower by after described dehumidification heat exchange and condenser successively.
In technique scheme, bottom described heat pump drying unit, be provided with roller.
In technique scheme, be positioned at described air inlet at described heat pump drying unit and be provided with the first blower fan.
In technique scheme, described heat pump drying unit top is provided with air-ducting ring and the second blower fan.
In technique scheme, in described drying tower, be provided with humidity detector, when described cereal humidity is reduced to setting value, described humidity detector transmits and described compressor is quit work.
In technique scheme, described condenser is finned cooler, and described evaporimeter is finned evaporator.
In technique scheme, described refrigerant circulation loop has two.
1, the present invention has following beneficial effect: environmental protection is good: without any pollution in the present invention, arranges thing outward without any burning, can not cause damage to human body, has good social benefit.
2, energy consumption is low: energy-saving effect is given prominence to, the investment repayment phase is short, and namely this product Energy Efficiency Ratio inputs the electricity of 1kw between grain harvest general 3-5 in season, can produce the heat of 3-5kw, compared with directly the burn energy or crops, use cost will be saved a lot.
3, security performance is good, without any hidden danger: different from other kind grain drying machines, the present invention adopts air-condition principle to heat grain, does not catch fire, the potential safety hazard such as leakage of oil.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the principle schematic of refrigerant circulation loop of the present invention.
Fig. 3 is the structural representation of source pump of the present invention.
Fig. 4 is the structural representation of go-cart in the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail: see Fig. 1 to Fig. 3, dehumidifying pump type heat grain drying machine, the drying tower 2 comprising heat pump drying unit 1 and be connected with described heat pump drying unit 1, described heat pump drying unit comprises air inlet 10, described heat pump drying unit 1 comprises air dewetting loop, and described air dewetting loop comprises the compressor 11 be connected successively, cross valve 12, condenser 13, device for drying and filtering 14, first heating power expansion valve 15, dehumidification heat exchange 16, and described dehumidification heat exchange 16 connects described cross valve 12, and described heat pump drying unit 1 also comprises air circulation duct and at least one refrigerant circulation loop, and described refrigerant circulation loop comprises compressor 11, cross valve 12, condenser 13, device for drying and filtering 14, second heating power expansion valve 150, evaporimeter 160, described compressor 11, cross valve 12, condenser 13, device for drying and filtering 14, second heating power expansion valve 150, evaporimeter 160 is connected to form closed circuit successively, and described air circulation duct comprises the pipeline be communicated with described air inlet 10, and described pipeline is communicated with described drying tower 2 by described dehumidification heat exchange 16 and condenser 13 are rear successively.
Bottom described heat pump drying unit 1, be provided with roller 17, unit can be moved freely.
Be positioned at described air inlet 10 place at described heat pump drying unit 1 and be provided with the first blower fan (accompanying drawing does not show), utilize described first blower fan better surrounding air to be imported heat exchange in dryer.
Described heat pump drying unit 1 top is provided with air-ducting ring 18 and the second blower fan (accompanying drawing does not show), and in refrigerant circulation loop, cold is by the second blower fan, is discharged to air goes from air-ducting ring.
In described drying tower 2, be provided with humidity detector, when described cereal humidity is reduced to setting value, described humidity detector transmits and described compressor is quit work.
Described condenser 13 is finned cooler, and described evaporimeter 160 is finned evaporator.
Described refrigerant circulation loop has two.
Below the concrete principle of the present invention is described in detail: cold-producing medium working medium, under the piston action of compressor, is compressed into low temperature low pressure gas the gas of HTHP; Be cooled into liquid after the gas of HTHP enters condenser thus release amount of heat; Cold air in air circulation duct absorbs its heat thus constantly rises becomes high-temperature hot air; The liquid that cold-producing medium working medium by after condenser, then enters device for drying and filtering, heating power expansion valve, cold-producing medium become low-temp low-pressure enters dehumidification heat exchange, and refrigerant gas flashes to the gas of Room-temperature low-pressure, returns compressor.Cold-producing medium working medium absorbs the heat of air in evaporimeter, and under the mechanism of compressor, the evolution of heat from condenser, changes the heat of hot blast into.Whole source pump uses inverse Carnot cycle principle, working medium is made to produce physical phase transition (liquid-vapor-liquid state) by heat pump acting, utilize in reciprocation cycle phase transition process and uninterruptedly absorb heat and put thermal property, by condenser, air circulation duct is constantly heated, make cold air be warmed up to high-temperature hot air gradually; Owing to effectively utilizing the heat in air, the meeting that the relative traditional combustion of Energy Efficiency Ratio during oven dry is dried is more than 3-5 times.
Surrounding air is entered from Drying unit air inlet by the first blower fan, first through dehumidification heat exchange, water content in extracting air, now surrounding air becomes dry cold air from normal temperature and pressure state, dry cold air at the air being heated into normal temperature through fin condenser, to reach the object of the relative humidity reducing air.The air of dry normal temperature is at the condenser through refrigerant circulation loop, and the heated drying air being heated into 55 DEG C is dried the cereal in drying tower.
And in dry operating mode, now surrounding air is without the need to dehumidifying, therefore closes dehumidification heat exchange, opens evaporimeter and carry out single drying cycle pattern.Contrary in time having a humid climate, open dehumidification heat exchange, close evaporimeter and carry out dehumidifying drying circulation pattern.
There is the go-cart 3 of loading cereal in described drying tower 2, see Fig. 4, cereal container 4 is rotationally connected by rotating shaft (accompanying drawing does not show) in described go-cart 3, described cereal container 4 comprises two flaring accommodation sections 40, be fixedly connected with by baffle plate 42 between described accommodation section 40, the through hole 43 passed through for cereal is set in baffle plate 42, the top of at least one accommodation section 40 is provided with openable cover plate 41, when cereal is placed, by opening cover plate 41, then pour in described accommodation section 40; Rotating shaft is driven by a drive unit (accompanying drawing does not mark), drive unit is provided with controller, controller makes rotating shaft often cross certain hour and rotates 180 degree, cereal now wherein in an accommodation section 40 just falls into another accommodation section 40 from the through hole 43 of middle baffle plate 42, cereal is heated more even, effectively improves drying efficiency and the quality of cereal.The outer wall of described container is netted, is convenient to effectively contact with the hot-air in environment, is convenient to the conduction of heat.
Claims (7)
1. dehumidify pump type heat grain drying machine, the drying tower (2) comprising heat pump drying unit (1) and be connected with described heat pump drying unit (1), described heat pump drying unit (1) comprises air inlet (10), it is characterized in that: described heat pump drying unit (1) comprises air dewetting loop, described air dewetting loop comprises the compressor (11) be connected successively, cross valve (12), condenser (13), device for drying and filtering (14), first heating power expansion valve (15), dehumidification heat exchange (16), and described dehumidification heat exchange (16) connects described cross valve (12), described heat pump drying unit (1) also comprises air circulation duct and at least one refrigerant circulation loop, described refrigerant circulation loop comprises described compressor (11), described cross valve (12), described condenser (13), described device for drying and filtering (14), second heating power expansion valve (150) and evaporimeter (160), described compressor (11), described cross valve (12), described condenser (13), described device for drying and filtering (14), second heating power expansion valve (150) and evaporimeter (160) are connected to form closed circuit successively, described air circulation duct comprises the pipeline be communicated with described air inlet (10), and described pipeline is communicated with described drying tower (2) with condenser (13) afterwards by described dehumidification heat exchange (16) successively, go-cart (3) is set in described drying tower (2), connected the cereal container (4) with netted outer wall construction by axis of rotation in described go-cart (3), described cereal container (4) comprises two flaring accommodation sections (40), be fixedly connected with by baffle plate (42) between described accommodation section (40), the through hole (43) passed through for cereal is set in baffle plate (42), the top of at least one accommodation section (40) is provided with openable cover plate (41), rotating shaft is driven by a drive unit, drive unit is provided with controller, controller makes rotating shaft often cross in 1 minute to 3 minutes and rotates 180 degree, cereal now wherein in an accommodation section (40) just falls into another accommodation section (40) from the through hole of middle baffle plate (42) (43), cereal is heated more even.
2. dehumidifying pump type heat grain drying machine as claimed in claim 1, is characterized in that: described heat pump drying unit (1) bottom is provided with roller (17).
3. dehumidifying pump type heat grain drying machine as claimed in claim 1, is characterized in that: be positioned at described air inlet (10) place described heat pump drying unit (1) and be provided with the first blower fan.
4. dehumidifying pump type heat grain drying machine as claimed in claim 1, is characterized in that: described heat pump drying unit (1) top is provided with air-ducting ring (18) and the second blower fan.
5. dehumidifying pump type heat grain drying machine as claimed in claim 1, it is characterized in that: in described drying tower (2), be provided with humidity detector, when described cereal humidity is reduced to setting value, described humidity detector transmits and described compressor is quit work.
6. dehumidifying pump type heat grain drying machine as claimed in claim 1, it is characterized in that: described condenser (13) is finned cooler, described evaporimeter (160) is finned evaporator.
7. dehumidifying pump type heat grain drying machine as claimed in claim 1, is characterized in that: described refrigerant circulation loop has two.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310321221.4A CN103398565B (en) | 2013-07-29 | 2013-07-29 | Dehumidification heat-pump type grain drying machine |
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| CN201310321221.4A CN103398565B (en) | 2013-07-29 | 2013-07-29 | Dehumidification heat-pump type grain drying machine |
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| CN103398565A CN103398565A (en) | 2013-11-20 |
| CN103398565B true CN103398565B (en) | 2015-05-20 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105961582B (en) * | 2016-05-03 | 2019-11-12 | 中国科学院理化技术研究所 | A kind of heat pump foodstuff adustion system |
| CN106091737B (en) * | 2016-06-16 | 2018-01-02 | 吉首大学 | A kind of drum-type colds and heat succeed each other salting apparatus |
| CN106072710A (en) * | 2016-07-18 | 2016-11-09 | 吉首大学 | A kind of Semen Castaneae acanthosphere is dried removing device |
| CN107238276A (en) * | 2017-07-18 | 2017-10-10 | 青岛大学 | Hot pump in low temp drying system during one kind is removable |
| CN113623994A (en) * | 2021-07-26 | 2021-11-09 | 浙江中广电器股份有限公司 | Opening and closing type integrated dryer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4196526A (en) * | 1978-10-26 | 1980-04-08 | CEAF S.p.A. | Drying plant, particularly for timber |
| JPH0448188A (en) * | 1990-06-15 | 1992-02-18 | Daikin Ind Ltd | Grain drying device |
| JPH04327784A (en) * | 1991-04-30 | 1992-11-17 | Matsushita Electric Ind Co Ltd | Heat pump type drier |
| CN102331160A (en) * | 2011-08-03 | 2012-01-25 | 三通(常州)电子科技有限公司 | Heat pump industrial drying machine |
| CN102954672A (en) * | 2011-08-19 | 2013-03-06 | 东莞市蓝冠环保节能科技有限公司 | Internal recycle moist-air latent heat recovering type heat pump drying device |
| CN202792733U (en) * | 2012-08-07 | 2013-03-13 | 广州凯能电器科技有限公司 | Heat pump drying dehumidifier |
| CN203518500U (en) * | 2013-07-29 | 2014-04-02 | 浙江天洲制冷机电有限公司 | Dehumidification heat pump type grain drying machine |
-
2013
- 2013-07-29 CN CN201310321221.4A patent/CN103398565B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4196526A (en) * | 1978-10-26 | 1980-04-08 | CEAF S.p.A. | Drying plant, particularly for timber |
| JPH0448188A (en) * | 1990-06-15 | 1992-02-18 | Daikin Ind Ltd | Grain drying device |
| JPH04327784A (en) * | 1991-04-30 | 1992-11-17 | Matsushita Electric Ind Co Ltd | Heat pump type drier |
| CN102331160A (en) * | 2011-08-03 | 2012-01-25 | 三通(常州)电子科技有限公司 | Heat pump industrial drying machine |
| CN102954672A (en) * | 2011-08-19 | 2013-03-06 | 东莞市蓝冠环保节能科技有限公司 | Internal recycle moist-air latent heat recovering type heat pump drying device |
| CN202792733U (en) * | 2012-08-07 | 2013-03-13 | 广州凯能电器科技有限公司 | Heat pump drying dehumidifier |
| CN203518500U (en) * | 2013-07-29 | 2014-04-02 | 浙江天洲制冷机电有限公司 | Dehumidification heat pump type grain drying machine |
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| CN103398565A (en) | 2013-11-20 |
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Denomination of invention: Dehumidifying Heat Pump Type Grain Dryer Effective date of registration: 20220906 Granted publication date: 20150520 Pledgee: Zhejiang Longyou rural commercial bank Limited by Share Ltd. Pledgor: Zhejiang Tianzhou Refrigeration Electrical and Mechanical Co.,Ltd. Registration number: Y2022330002144 |