CN101769675A - Paddy dryer with heat return type heat pump - Google Patents
Paddy dryer with heat return type heat pump Download PDFInfo
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- CN101769675A CN101769675A CN200910036477A CN200910036477A CN101769675A CN 101769675 A CN101769675 A CN 101769675A CN 200910036477 A CN200910036477 A CN 200910036477A CN 200910036477 A CN200910036477 A CN 200910036477A CN 101769675 A CN101769675 A CN 101769675A
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Abstract
The invention relates to a paddy dryer with a heat return type heat pump, which belongs to a grain drying processing machine and consists of a heat return type heat pump unit, a feeding hopper, a bucket elevator, an upper packing auger, a lower packing auger, a grain discharge wheel, a drying bin, a discharge pipe and a main fan, wherein the heat return type heat pump unit comprises a compressor, temperature-raising evaporators, heat returning devices, a dewatering evaporator and a condenser. The paddy dryer is characterized in that the heat returning devices are arranged before and behind the dewatering evaporator of the heat pump unit and simultaneously the temperature-raising evaporators are arranged, so that two systems are formed; a heat pump system is communicated with the drying bin which is communicated with the main fan; when the paddy dryer works, a drying medium provided by the heat return type heat pump unit enters an angular box in the drying bin, passes through a paddy layer and removes water in the paddy; and the bucket elevator is arranged between the upper packing auger and the lower packing auger, so the circulated drying of the paddy in the drying bin can be realized. The invention has the advantages of compact entire machine structure, high drying efficiency, low energy consumption, low operation cost, uniform drying of the paddy, high quality and applicability to grain depots, rice processing factories and planting and managing specialized households.
Description
Technical field
The present invention relates to grain processing equipment, particularly a kind of paddy dryer with heat return type heat pump.
Background technology
In recent years, the drying machine of successively developing various ways in all parts of the country is as three for a long time, gold, three send out and following current, adverse current, mixed flow form rower drier etc.These imports, homemade drying machine put goods on the market and but are difficult to for many years popularize.To trace it to its cause and mainly be: 1.. above-mentioned type suits to use in large-scale Grain Drying Center, under our existing agricultural economy basis and social environment condition, remove outside national large granary and the farm, general peasant household and investor both be difficult to the pressure of the fund of bearing, and also can't obtain satisfied repayment; 2.. this drier is to be thermal source with the fuel oil substantially, the cost height; 3.. there are inevitable defectives such as drying efficiency is low, energy consumption is high, the batch processed cycle is long in existing grain drier.
Summary of the invention
The paddy dryer with heat return type heat pump that task of the present invention is to provide that a kind of volume is little, efficient is high, energy consumption is low, can batch cyclic drying.
The technical characterictic of this drying machine be this machine by comprise compressor, intensification evaporimeter, regenerator, remove water evaporimeter, condenser, the back-heating type source pump of expansion valve, material bin, bucket elevator, upper and lower screw feeder, grain discharging wheel, dryness storehouse, drawing mechanism, main air blower form, this machine is rational in infrastructure, performance is good, the automaticity height.
The operation principle of this drying machine is: first from passing through except that draw heat the air of water evaporimeter and regenerator by the source pump that compressor and accessory kit are formed, the temperature of air was quickly fallen to below zero point, at this moment the moisture condensation of air is separated out, the water of separating out is drained, then, heat pump machine dress is used for heating to the heat of drawing in the air by dewatered air, make atmosphere temperature rising and relative humidity descends significantly, become and carry wet very capable dry air, dry air the horn shape box and is flowed in the attraction lower edge of main air blower, then equably by paddy to be dried, with moisture generation thermal energy exchange and the balanced action mutually in the paddy, moisture absorption in the paddy heat energy in air, from paddy, overflow rapidly and taken away by air-flow, then constantly circulation in dryness storehouse of paddy, the tail gas that has absorbed moisture is discharged into after dedusting in the atmosphere, paddy thereby obtain drying.Air constantly is heated, and paddy then ceaselessly is dried, till meeting the requirements.When the needs higher temperature was dry, available intensification evaporimeter carried out drying, and dry back paddy is discharged through discharge nozzle, finishes dry run.
Comprehensive structure of the present invention and operation principle, the present invention possesses following technical advantage:
1.. the automaticity height, processing ease uses simply the equipment dependability height;
2.. adopt the back-heating type heat pump as thermal source, improve dehumidification rate, reduced dehumidifying energy consumption and operating cost;
3.. adopt the intensification evaporator system, improve drying efficiency;
4.. rice drying is even, germination percentage height, quality better.
Description of drawings
Fig. 1 is the structural representation of paddy dryer with heat return type heat pump;
Fig. 2 is the work realization flow figure of paddy dryer with heat return type heat pump.
Among the figure: 1, material bin, 2, bucket elevator, 3, screw feeder down, 4, base, 5, grain discharging wheel, 6, the horn shape box, 7, compressor, 8, the intensification evaporimeter, 9, regenerator, 10, remove water evaporimeter, 11, condenser, 12, dryness storehouse, 13, main air blower, 14, discharge nozzle, 15, go up screw feeder, 16, receiver.
The specific embodiment
Paddy dryer with heat return type heat pump as shown in Figure 1, connect power supply, baking temperature controller in the electric-control system is set temperature required value, open the grain button, start screw feeder (3) down, bucket elevator (2) and last screw feeder, wet paddy is poured into from material bin (1), paddy is risen to the material receiving port of screw feeder (15) through bucket elevator (2), under the effect of last screw feeder (15), the paddy level enters dryness storehouse (12) and is distributed in the dryness storehouse (12), up to dryness storehouse (12) is filled, the dry button of ON cycle then, grain discharging wheel (5) starts, at following screw feeder, bucket elevator, under the effect of last screw feeder and grain discharging wheel, paddy is cyclic drying in dryness storehouse (12); At this moment, start main air blower (13) and compressor (7), through the humid air of back-heating type source pump by dewater and etc. wet heating, become and carry wet very capable dry air, dry air flows along flow inlet angle shape box (6) under the attraction of main air blower (13), then equably by the paddy layer in the circulation, with the mutual and mutual balanced action of moisture generation heat energy in the paddy, moisture absorption in the paddy heat energy in air, from paddy, overflow rapidly and taken away by blower fan by the horn shape box (6) of giving vent to anger, then constantly circulation in dryness storehouse (12) of paddy, the tail gas that has absorbed moisture is discharged into after dedusting in the atmosphere, paddy thereby obtain drying, and air constantly is heated, paddy is then ceaselessly dry, till meeting the requirements.When the needs higher temperature is dry, can carry out drying with intensification evaporimeter (8) separately.Dry back paddy is discharged through discharge nozzle (14), finishes dry run.
Workflow diagram as shown in Figure 2, when room temperature is 28 ℃, baking temperature controller in the electric-control system (going up lower deviation is ± 2 ℃) is set 40 ℃ of temperature required values, start main air blower (13) and compressor (7), at this moment, the intensification magnetic valve is opened automatically, closed electromagnetic valve dewaters, the compressed machine of heat pump fluid (7), condenser (11), receiver (16), intensification magnetic valve and intensification evaporimeter (8) periodic duty, drying medium (air) enter dryness storehouse (12) after intensification dewaters through condenser (11); Drying medium (air) temperature constantly raises, when temperature reaches 42 ℃ of the upper deviations that temperature controller sets, the intensification magnetic valve cuts out automatically, removing water solenoid valve opens, the compressed machine of heat pump fluid (7), condenser (11), receiver (16), remove water solenoid valve and remove water evaporimeter (10) periodic duty, drying medium (air) is through regenerator (9) hot junction, remove water evaporimeter (10), regenerator (9) cold junction, condenser (11) enters dryness storehouse after heating up and dewatering, drying medium (air) temperature constantly reduces, when temperature reaches 38 ℃ of lower deviations that temperature controller sets, heat pump converts soaking condition to, so periodic duty; When setting temperature required value greater than 50 ℃, heat pump heats up and does not reach 52 ℃ all the time, and therefore, heat pump can only be worked under soaking condition.
Claims (2)
1. paddy dryer with heat return type heat pump, it is characterized in that: have material bin (1), bucket elevator (2), last screw feeder (15), dryness storehouse (12), horn shape box (6), grain discharging wheel (5), following screw feeder (3), base (4), main air blower (13), discharge nozzle (14), compressor (7) and intensification evaporimeter (8), regenerator (9), remove water evaporimeter (10), the heat pump that condenser (11) is formed, be in to remove water evaporimeter (10) front and remove between water evaporimeter (10) and the condenser (11) regenerator (9) is housed, and be provided with intensification evaporimeter (8) in the heat pump; Heat pump with link to each other for the horn shape box (6) in the dryness storehouse (12) of paddy cyclic drying, dryness storehouse (12) is communicated with main air blower (13), the top of drying machine is provided with the discharge nozzle (14) that confession paddy is discharged.
2. paddy dryer with heat return type heat pump according to claim 1 is characterized in that: be provided with grain discharging wheel (5) and following screw feeder (3) in the base (4), grain discharging wheel (5) and down screw feeder (3) and bucket elevator (2) and upward screw feeder (15) link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910036477A CN101769675A (en) | 2009-01-07 | 2009-01-07 | Paddy dryer with heat return type heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910036477A CN101769675A (en) | 2009-01-07 | 2009-01-07 | Paddy dryer with heat return type heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101769675A true CN101769675A (en) | 2010-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910036477A Pending CN101769675A (en) | 2009-01-07 | 2009-01-07 | Paddy dryer with heat return type heat pump |
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| CN (1) | CN101769675A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692119A (en) * | 2012-04-20 | 2012-09-26 | 东莞市永淦节能科技有限公司 | Corn seed drying unit |
| CN103392796A (en) * | 2013-07-29 | 2013-11-20 | 浙江天洲制冷机电有限公司 | Cereal drying process |
| CN105605910A (en) * | 2016-02-18 | 2016-05-25 | 郏松筠 | Operation modes and structure of heat-circulation heat pump drying unit |
| CN106679393A (en) * | 2017-01-20 | 2017-05-17 | 中国科学院理化技术研究所 | Grain drying system |
| CN107906917A (en) * | 2017-11-16 | 2018-04-13 | 常德科祥机电制造有限公司 | A kind of batch circulatnig grain drier and its furnace drying method |
| CN108800828A (en) * | 2018-03-27 | 2018-11-13 | 广东省现代农业装备研究所 | A kind of rice drying device and its implementation |
| CN109383983A (en) * | 2018-10-26 | 2019-02-26 | 广东贝尤安新材料科技有限公司 | A kind of user-friendly bucket elevator |
| CN109855415A (en) * | 2019-04-01 | 2019-06-07 | 青岛创客机械设备制造有限公司 | A kind of high-temperature energy-conservation vertical type drying apparatus |
| CN110873517A (en) * | 2018-08-30 | 2020-03-10 | 北京航空航天大学 | Photovoltaic drive solar heat pump dryer |
| CN116399114A (en) * | 2023-06-08 | 2023-07-07 | 德州贺家机械设备有限公司 | Crop spiral dryer |
-
2009
- 2009-01-07 CN CN200910036477A patent/CN101769675A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692119A (en) * | 2012-04-20 | 2012-09-26 | 东莞市永淦节能科技有限公司 | Corn seed drying unit |
| CN102692119B (en) * | 2012-04-20 | 2014-04-30 | 东莞市永淦节能科技有限公司 | Corn seed drying unit |
| CN103392796A (en) * | 2013-07-29 | 2013-11-20 | 浙江天洲制冷机电有限公司 | Cereal drying process |
| CN105605910B (en) * | 2016-02-18 | 2018-09-21 | 郏松筠 | A kind of operational mode and structure of recycle heat formula heat pump drying device |
| CN105605910A (en) * | 2016-02-18 | 2016-05-25 | 郏松筠 | Operation modes and structure of heat-circulation heat pump drying unit |
| CN106679393A (en) * | 2017-01-20 | 2017-05-17 | 中国科学院理化技术研究所 | Grain drying system |
| CN106679393B (en) * | 2017-01-20 | 2022-04-22 | 中国科学院理化技术研究所 | Grain drying system |
| CN107906917A (en) * | 2017-11-16 | 2018-04-13 | 常德科祥机电制造有限公司 | A kind of batch circulatnig grain drier and its furnace drying method |
| CN108800828A (en) * | 2018-03-27 | 2018-11-13 | 广东省现代农业装备研究所 | A kind of rice drying device and its implementation |
| CN110873517A (en) * | 2018-08-30 | 2020-03-10 | 北京航空航天大学 | Photovoltaic drive solar heat pump dryer |
| CN109383983A (en) * | 2018-10-26 | 2019-02-26 | 广东贝尤安新材料科技有限公司 | A kind of user-friendly bucket elevator |
| CN109855415A (en) * | 2019-04-01 | 2019-06-07 | 青岛创客机械设备制造有限公司 | A kind of high-temperature energy-conservation vertical type drying apparatus |
| CN109855415B (en) * | 2019-04-01 | 2023-11-24 | 青岛创客机械设备制造有限公司 | High-temperature energy-saving vertical drying device |
| CN116399114A (en) * | 2023-06-08 | 2023-07-07 | 德州贺家机械设备有限公司 | Crop spiral dryer |
| CN116399114B (en) * | 2023-06-08 | 2023-08-04 | 德州贺家机械设备有限公司 | Crop spiral dryer |
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Open date: 20100707 |