CN204811761U - Open multistage heat pump drying equipment of closed circulation - Google Patents
Open multistage heat pump drying equipment of closed circulation Download PDFInfo
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- CN204811761U CN204811761U CN201520295574.6U CN201520295574U CN204811761U CN 204811761 U CN204811761 U CN 204811761U CN 201520295574 U CN201520295574 U CN 201520295574U CN 204811761 U CN204811761 U CN 204811761U
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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 utility model provides an open multistage heat pump drying equipment of closed circulation, include heat pump system, grain drying tower and open, the cold hot -air pipes of closed circulation. Heat pump system passes through hot -air pipes, hot -blast air intake hood, cold air duct, cold wind air intake hood and the hookup of grain drying tower. The draught fan passes through the exhaust piping, dry waste gas exhaust hood links to each other with the grain drying tower. The inside horn shape tubular wind channel that be of drying tower can form concurrent drying or mixed flow dry run according to the arrangement difference, exhaust horn shape pipe with admit air between the horn shape pipe to delaying soviet union's section, can form multistage following current or mixed flow dry run according to drying technology's difference, section be equipped with the countercurrent cooling section in last one -level drying. Heat pump system has heat absorption, dehumidification and heating function. Heat pump system's throttling arrangement can the volume of realizing the constant volume adjust with the varactor volume to be equipped with the regenerator. Control system can realize alternating temperature, varactor volume and become the parameter control function, realize the control to complicated technology dry run.
Description
Technical field
The present invention relates to heat pump energy-conserving dry technology and Condition of Grain-Drying Technology field, particularly a kind of open and close type cycle multistage heat pump drying equipment.
Background technology
Compared with coal-fired or usual heat-exchanger, pump type heat drying equipment has the technical advantages such as obvious energy conservation, pollution-free and parameter controllability.A canonical trend of current drying equipment and technology development is that new and effective clean thermal source and traditional drying device organically combine and give full play to novel heat source and conventional drying processes advantage, what especially receive publicity is utilize the dehumidification function of all kinds of heat pump to carry out waste heat recovery, effectively improves energy-saving effect.
Summary of the invention
The present invention proposes a kind of open and close type cycle multistage heat pump drying equipment, it is the heat pump drying equipment of the drying device combination of a kind of heat pump and tower angular tube structure, dry waste gas open type can be taked to discharge and closed cycle two kinds of modes according to actual condition, especially adopt the dehumidification function that make use of evaporator with heat pump during closed cycle to reclaim sensible heat in waste gas and latent heat, improve energy-saving effect.The technique that dry run can adopt two to eight grades of following currents or continuous mixed-flow drying technology and adverse current process for cooling to combine according to the characteristic of concrete grain carries out drying operation.
Particular content of the present invention:
A kind of open and close type cycle multistage heat pump drying equipment, it is characterized in that: the independent heat pump drying waste gas open type that the drying device of heat pump drying and angular tube structure combines is discharged or the closed cycle drying equipment that combine dry with heat-pump dehumidification, the drying tower of its bag heat pump assembly, angular tube structure and relevant hot blast or exhaust piping etc.; Open and close type multi-stage heat pump drying equipment described in it is a rower drier, drying machine from the left and right side successively:
1 grain storage section, 2 one-level air inlet section, 3 one-level exhaust sections, 4 secondary inlet sections, 5 secondary exhaust sections, 6 three grades of air inlet section, 7 double-exhaust sections, 8 cooling sections, 9 grain discharging sections, 10 row's grain screw feeders, 11 elevators, 12 circulating air pipelines, 13 heat pumps, 14 hot air ducts, 15 adverse current cooling pipes, 16 return air Electric air valves, 17 adverse current cooling Electric air valve, 18 hot blast airscoop shrouds, 19 exhausting waste gas covers
Heat pump described in it is by compressor, main condenser, dehumidifying evaporimeter, heat absorption evaporimeter, regenerator, heating power expansion valve, electric expansion valve, four-way change-over valve, the composition such as fluid reservoir, gas-liquid separator.
The heat absorption evaporimeter of heat pump mainly absorbs heat from surrounding air, and dehumidifying evaporator function comprises the sensible heat and latent heat that dehumidify to surrounding air and dehumidify to the dry waste gas of circulation and absorb in waste gas.Drying medium air after dehumidifying, by carrying out with main condenser the air that heat exchange becomes high temperature low humidity, enter in hot air duct 14, the Multi-stage inlet section of drying tower enters in drying tower, concurrent drying technique is formed time identical with Flowing of Grain direction, circulation drying process can be formed, to use the dry requirement of different material when changing the arrangement architecture of angular tube.By carrying out caloic exchange with grain, the steam evaporated from grain is taken away, the angular tube through exhaust section drains in exhausting waste gas cover, is disposed in air or by closed cycle pipeline again enters heat pump through blower fan, and enters next circulation.
In the final stage of drying when close to when reaching dry final moisture content, finely tune drying and dehydrating and cooling further through double exhaust section adverse current, when reaching water content requirement, carry out row's grain.As surveyed moisture content and final moisture content differs greatly, then grain enters drying tower again through elevator, forms dry run again, until grain moisture content is up to standard.
The features and advantages of the invention:
A kind of open and close type cycle multistage heat pump drying equipment, can realize multiple drying mode: 1) waste gas open type discharge mode, is applicable to grain containing small excoemum shape object as paddy, prevents because excoemum in waste gas closed cycle process blocks heat exchanger.2) be applicable to the grain that cleanliness factor is higher, waste gas can realize closed cycle, and absorb sensible heat and latent heat raising energy-saving effect by dehumidifying evaporation, regenerator has the cold function of the invalid consumption of minimizing in addition, improves wet-out property; The versatility of equipment is high, is suitable for the drying and dehydrating process of large cereal crops such as paddy, corn, wheat, is also applicable to the drying of coarse cereals and all kinds of vegetable seeds simultaneously.
Accompanying drawing explanation
Fig. 1 is a kind of open and close type cycle multistage heat pump drying equipment figure
1 grain storage section, 2 one-level air inlet section, 3 one-level exhaust sections, 4 secondary inlet sections, 5 secondary exhaust sections, 6 three grades of air inlet section, 7 double-exhaust sections, 8 cooling sections, 9 grain discharging sections, 10 row's grain screw feeders, 11 elevators, 12 circulating air pipelines, 13 heat pumps, 14 hot air ducts, 15 adverse current cooling pipes, 16 return air Electric air valves, 17 adverse current cooling Electric air valve, 18 hot blast airscoop shrouds, 19 exhausting waste gas covers
Detailed description of the invention
Open and close type cycle multistage heat pump drying equipment is following current or the mixed flow drying equipment of the dry turriform combination adopting the dry and angular tube structure of a kind of heat-pump dehumidification, and it comprises Analysis of Heat Pump Drying System, the drying tower of angular tube structure and hot air duct, toxic emission and closed cycle pipeline etc.;
Its a kind of open and close type cycle multistage heat pump drying equipment is from top to down successively:
1 grain storage section, 2 one-level air inlet section, 3 one-level exhaust sections, 4 secondary inlet sections, 5 secondary exhaust sections, 6 three grades of air inlet section, 7 double-exhaust sections, 8 cooling sections, 9 grain discharging sections, 10 row's grain screw feeders, 11 elevators, 12 circulating air pipelines, 13 heat pumps, 14 hot air ducts, 15 adverse current cooling pipes, 16 return air Electric air valves, 17 adverse current cooling Electric air valve, 18 hot blast airscoop shrouds, 19 exhausting waste gas covers
A kind of open and close type cycle multistage heat pump drying equipment course of work: the initial period, grain is by elevator 11, enters the drying tower of horn shape tubular construction.The heat absorption evaporimeter of heat pump 13 mainly absorbs heat from surrounding air, and dehumidifying evaporator function comprises the sensible heat and latent heat that dehumidify to surrounding air and dehumidify to the dry waste gas of circulation and absorb in waste gas.Drying medium air after dehumidifying, by carrying out with main condenser the air that heat exchange becomes high temperature low humidity, the Multi-stage inlet such as one-level air inlet section 2, secondary inlet section 4, three grades of air inlet section 6 of drying tower is entered by hot air duct 14 and hot blast airscoop shroud 18, concurrent drying technique is formed when hot-air is identical with Flowing of Grain direction, circulation drying process can be formed, to use the dry requirement of different material when changing the arrangement architecture of angular tube.By carrying out caloic exchange with grain, the steam evaporated from grain is taken away, angular tube through exhaust section one-level exhaust section 3, secondary exhaust section 57 double-exhaust section drains in exhausting waste gas cover 19, be disposed in air through blower fan, when needs carry out by opening return air Electric air valve 16 during closed cycle, waste gas enters heat pump again through circulating air pipeline 12, and enters next circulation.
In the final stage of drying when close to when reaching dry final moisture content, open adverse current cooling Electric air valve 17, the Cryogenic air produced through heat pump enters double-exhaust section 7 by 15 adverse current cooling pipes, by adverse current cooling fine setting drying and dehydrating and cooling further, when reaching water content requirement, carry out row's grain by row's grain screw feeder 10.As surveyed moisture content and final moisture content differs greatly, then grain enters drying tower again through elevator 11, forms dry run again, until grain moisture content is up to standard.
Claims (1)
1. an open and close type cycle multistage heat pump drying equipment, it is characterized in that: the independent heat pump drying waste gas open type that the drying device of heat pump drying and angular tube structure combines is discharged or the closed cycle drying equipment that combine dry with heat-pump dehumidification, the drying tower of its bag heat pump assembly, angular tube structure and relevant hot blast or exhaust piping etc.; Open and close type multi-stage heat pump drying equipment described in it is a rower drier, drying machine from the left and right side successively:
(1) grain storage section, (2) one-level air inlet section, (3) one-level exhaust section, (4) secondary inlet section, (5) secondary exhaust section, (6) three grades of air inlet section, (7) double-exhaust section, (8) cooling section, (9) grain discharging section, (10) grain screw feeder is arranged, (11) elevator, (12) circulating air pipeline, (13) heat pump, (14) hot air duct, (15) adverse current cooling pipe, (16) return air Electric air valve, (17) adverse current cooling Electric air valve, (18) hot blast airscoop shroud, (19) exhausting waste gas cover.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520295574.6U CN204811761U (en) | 2015-05-06 | 2015-05-06 | Open multistage heat pump drying equipment of closed circulation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520295574.6U CN204811761U (en) | 2015-05-06 | 2015-05-06 | Open multistage heat pump drying equipment of closed circulation |
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| CN204811761U true CN204811761U (en) | 2015-12-02 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910412A (en) * | 2016-04-28 | 2016-08-31 | 安徽谷丰机械科技有限公司 | Internal circulating drying machine for grain drying |
| CN106196982A (en) * | 2016-07-25 | 2016-12-07 | 柳州名品科技有限公司 | The preparation technology of tower-type maize dehydrator |
| CN106440677A (en) * | 2016-11-11 | 2017-02-22 | 灵宝市芳捷农业发展有限公司 | Multipurpose type drying device |
| CN106768806A (en) * | 2016-12-29 | 2017-05-31 | 上海德朗汽车零部件制造有限公司 | A kind of open and close type cooling air circulatory system of automobile radiators wind tunnel test platform |
| CN109387063A (en) * | 2017-08-08 | 2019-02-26 | 毛强平 | A kind of agricultural drier tool and its autocontrol method |
-
2015
- 2015-05-06 CN CN201520295574.6U patent/CN204811761U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910412A (en) * | 2016-04-28 | 2016-08-31 | 安徽谷丰机械科技有限公司 | Internal circulating drying machine for grain drying |
| CN106196982A (en) * | 2016-07-25 | 2016-12-07 | 柳州名品科技有限公司 | The preparation technology of tower-type maize dehydrator |
| CN106440677A (en) * | 2016-11-11 | 2017-02-22 | 灵宝市芳捷农业发展有限公司 | Multipurpose type drying device |
| CN106768806A (en) * | 2016-12-29 | 2017-05-31 | 上海德朗汽车零部件制造有限公司 | A kind of open and close type cooling air circulatory system of automobile radiators wind tunnel test platform |
| CN106768806B (en) * | 2016-12-29 | 2023-06-09 | 上海德朗汽车零部件制造有限公司 | Open-close type cooling air circulation system of automobile radiator wind tunnel test bed |
| CN109387063A (en) * | 2017-08-08 | 2019-02-26 | 毛强平 | A kind of agricultural drier tool and its autocontrol method |
| CN109387063B (en) * | 2017-08-08 | 2020-05-01 | 安徽森米诺农业科技有限公司 | Agricultural drying machine and automatic control method thereof |
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