CN203518500U - Dehumidification heat pump type grain drying machine - Google Patents

Dehumidification heat pump type grain drying machine Download PDF

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Publication number
CN203518500U
CN203518500U CN201320454072.4U CN201320454072U CN203518500U CN 203518500 U CN203518500 U CN 203518500U CN 201320454072 U CN201320454072 U CN 201320454072U CN 203518500 U CN203518500 U CN 203518500U
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CN
China
Prior art keywords
drying
air
heat
heat pump
pump type
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320454072.4U
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Chinese (zh)
Inventor
祝富华
郁志扬
邹为奇
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SKYSEA REFRIGERATION & ELECTRICAL EQUIPMENT Co Ltd
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SKYSEA REFRIGERATION & ELECTRICAL EQUIPMENT Co Ltd
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Priority to CN201320454072.4U priority Critical patent/CN203518500U/en
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Publication of CN203518500U publication Critical patent/CN203518500U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a dehumidification heat pump type grain drying machine which comprises a heat pump drying set and a drying tower connected with the heat pump drying set. Through work of a compressor in the heat pump drying set, heat of air is absorbed, part of electric energy is consumed for pushing a refrigeration system to work, and two parts of heat energy both can be conveyed to a drying channel to dry grains in the drying tower. The dehumidification heat pump type grain drying machine is efficient in drying of grains, and saves energy consumption.

Description

Dehumidifying pump type heat grain drying machine
Technical field
The utility model 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 worthless in increasingly important situation of environmental requirement under the condition of current China atmospheric environment severe exacerbation." fuel oil-air-supply " technique is mainly done fuel with diesel oil, can strive fuel oil with other industry, not only can increase the weight of the pollution of environment yet more can increase the weight of national energy supply pressure." burn wood-air-supply " technique is mainly done fuel with stalk, bavin, rice chaff etc., and these fuel are more serious to the pollution of environment." 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 the loss of air-polluting aggravation and the energy.
Summary of the invention
For the deficiencies in the prior art, the utility model provides dehumidifying pump type heat grain drying machine, solves the environmental pollution existing in prior art serious, and the drawback that use cost is high, can be efficiently to cereal heating, drying.
The utility model is achieved by the following technical solution: dehumidifying pump type heat grain drying machine, comprise heat pump drying unit and the drying tower being 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 connected successively compressor, cross valve, condenser, device for drying and filtering, the first heating power expansion valve, dehumidification heat exchange, and described dehumidification heat exchange connects described cross valve, described heat pump drying unit also comprises air circulation duct and at least one refrigerant circulation loop, described refrigerant circulation loop comprises described compressor, described cross valve, described condenser, described device for drying and filtering, the second heating power expansion valve and evaporimeter, described compressor, described cross valve, described condenser, described device for drying and filtering, the second heating power expansion valve and evaporimeter are connected to form closed circuit successively, and described air circulation duct comprises the pipeline being communicated with described air inlet, and described pipeline is successively by being communicated with described drying tower after described dehumidification heat exchange and condenser.
In technique scheme, in described heat pump drying unit bottom, be provided with roller.
In technique scheme, at described heat pump drying unit, be positioned at described air inlet place and be provided with the first blower fan.
In technique scheme, at described heat pump drying unit top, be 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 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 utlity model has following beneficial effect: environmental protection is good: in the utility model, without any pollution, without any burning, arrange thing outward, can not cause damage to human body, there is good social benefit.
2, energy consumption is low: energy-saving effect is outstanding, the investment repayment phase is short, and 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, compare with the direct burning energy or crops, in use cost, will save a lot.
3, security performance is good, without any hidden danger: different from other kind grain drying machines, the utility model adopts air-condition principle to heat cereal, does not catch fire, the potential safety hazard such as leakage of oil.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the principle schematic of the utility model refrigerant circulation loop.
Fig. 3 is the structural representation of the utility model source pump.
Fig. 4 is the structural representation of go-cart in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail: referring to Fig. 1 to Fig. 3, dehumidifying pump type heat grain drying machine, comprise heat pump drying unit 1 and the drying tower 2 being 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 connected successively compressor 11, cross valve 12, condenser 13, device for drying and filtering 14, the first heating power expansion valve 15, dehumidification heat exchange 16, and the described cross valve 12 of described dehumidification heat exchange 16 connection, described heat pump drying unit 1 also comprises air circulation duct and at least one refrigerant circulation loop, described refrigerant circulation loop comprises compressor 11, cross valve 12, condenser 13, device for drying and filtering 14, the second heating power expansion valve 150, evaporimeter 160, described compressor 11, cross valve 12, condenser 13, device for drying and filtering 14, the second heating power expansion valve 150, evaporimeter 160 is connected to form closed circuit successively, and described air circulation duct comprises the pipeline being communicated with described air inlet 10, and described pipeline is successively by being communicated with described drying tower 2 after described dehumidification heat exchange 16 and condenser 13.
In described heat pump drying unit 1 bottom, be provided with roller 17, unit can be moved freely.
At described heat pump drying unit 1, be positioned at described air inlet 10 places and be provided with the first blower fan (accompanying drawing does not show), utilize described the first blower fan better surrounding air to be imported to heat exchange in dryer.
At described heat pump drying unit 1 top, be provided with air-ducting ring 18 and the second blower fan (accompanying drawing does not show), in refrigerant circulation loop, cold, by the second blower fan, is discharged to air and 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 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 utility model is described in detail: cold-producing medium working medium, under the piston action of compressor, becomes low-temp low-pressure gas compression the gas of HTHP; Thereby the gas of HTHP enters and is cooled into liquid after condenser and emits amount of heat; Thereby the cold air in air circulation duct absorbs its heat constantly to rise and becomes high-temperature hot air; Cold-producing medium working medium is by after condenser, then enters the liquid that device for drying and filtering, heating power expansion valve, cold-producing medium become low-temp low-pressure and enter dehumidification heat exchange, and refrigerant gas flashes to the gas of normal 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 is used contrary Carnot cycle principle, by heat pump, do work and make working medium produce physical phase transition (liquid state-gaseous state-liquid state), utilize in reciprocation cycle phase transition process uninterrupted heat absorption and put thermal property, by condenser, air circulation duct is constantly heated, make cold air be warmed up to gradually high-temperature hot air; Owing to effectively utilizing airborne heat, the meeting that the relative traditional combustion of Energy Efficiency Ratio during oven dry is dried is more than 3-5 times.
Surrounding air enters from Drying unit air inlet by the first blower fan, first pass 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 is be heated into the air of normal temperature through fin condenser, to reach the object of the relative humidity that reduces air.The air of dry normal temperature is at the condenser through refrigerant circulation loop, and the heated drying air that is heated into 55 ℃ is dried the cereal in drying tower.
And in dry operating mode, now surrounding air, without dehumidifying, is therefore closed dehumidification heat exchange, opens evaporimeter and carries out single drying cycle pattern.Contrary when having a humid climate, open dehumidification heat exchange, close evaporimeter and carry out dehumidifying drying circulation pattern.
In described drying tower 2, have and load the go-cart 3 that cereal is used, referring to Fig. 4, in described go-cart 3, by rotating shaft (accompanying drawing does not show), be rotationally connected cereal container 4, described cereal container 4 comprises two flaring accommodation sections 40,40 of described accommodation sections are fixedly connected with by baffle plate 42, the through hole 43 passing through for cereal is set in baffle plate 42, on the top of at least one accommodation section 40, be provided with openable cover plate 41, when cereal is placed, by opening cover plate 41, then pour in described accommodation section 40; Rotating shaft drives by a drive unit (accompanying drawing does not mark), on drive unit, be provided with controller, controller makes the every certain hour of crossing of rotating shaft rotate 180 degree, now the cereal in an accommodation section 40 just falls into another accommodation section 40 from the through hole 43 of middle baffle plate 42 therein, cereal is heated more even, has effectively improved 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. pump type heat grain drying machine dehumidifies, comprise heat pump drying unit (1) and the drying tower (2) being 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 connected successively compressor (11), cross valve (12), condenser (13), device for drying and filtering (14), the 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), the 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), the second heating power expansion valve (150) and evaporimeter (160) are connected to form closed circuit successively, described air circulation duct comprises the pipeline being communicated with described air inlet (10), and described pipeline is successively by being communicated with described drying tower (2) after described dehumidification heat exchange (16) and condenser (13).
2. dehumidifying pump type heat grain drying machine as claimed in claim 1, is characterized in that: in described heat pump drying unit (1) bottom, be provided with roller (17).
3. dehumidifying pump type heat grain drying machine as claimed in claim 1, is characterized in that: at described heat pump drying unit (1), be positioned at described air inlet (10) and locate to be provided with the first blower fan.
4. dehumidifying pump type heat grain drying machine as claimed in claim 1, is characterized in that: at described heat pump drying unit (1) top, be 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 described compressor is quit work.
6. dehumidifying pump type heat grain drying machine as claimed in claim 1, is characterized in that: described condenser (13) is finned cooler, and 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.
CN201320454072.4U 2013-07-29 2013-07-29 Dehumidification heat pump type grain drying machine Expired - Fee Related CN203518500U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320454072.4U CN203518500U (en) 2013-07-29 2013-07-29 Dehumidification heat pump type grain drying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320454072.4U CN203518500U (en) 2013-07-29 2013-07-29 Dehumidification heat pump type grain drying machine

Publications (1)

Publication Number Publication Date
CN203518500U true CN203518500U (en) 2014-04-02

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103398565A (en) * 2013-07-29 2013-11-20 浙江天洲制冷机电有限公司 Dehumidification heat-pump type grain drying machine
CN105104522A (en) * 2015-09-09 2015-12-02 宁波天海制冷设备有限公司 Cereal drying machine
CN108202076A (en) * 2018-01-02 2018-06-26 大连理工大学 A kind of pump coupled heat biological heat anhydration system and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103398565A (en) * 2013-07-29 2013-11-20 浙江天洲制冷机电有限公司 Dehumidification heat-pump type grain drying machine
CN103398565B (en) * 2013-07-29 2015-05-20 浙江天洲制冷机电有限公司 Dehumidification heat-pump type grain drying machine
CN105104522A (en) * 2015-09-09 2015-12-02 宁波天海制冷设备有限公司 Cereal drying machine
CN108202076A (en) * 2018-01-02 2018-06-26 大连理工大学 A kind of pump coupled heat biological heat anhydration system and method

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EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140402

Termination date: 20140729