CN107830705A - A kind of novel high-efficiency and energy-saving heat pump double back heated drying system - Google Patents
A kind of novel high-efficiency and energy-saving heat pump double back heated drying system Download PDFInfo
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- CN107830705A CN107830705A CN201711309761.5A CN201711309761A CN107830705A CN 107830705 A CN107830705 A CN 107830705A CN 201711309761 A CN201711309761 A CN 201711309761A CN 107830705 A CN107830705 A CN 107830705A
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- 238000001035 drying Methods 0.000 title claims abstract description 68
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 239000002918 waste heat Substances 0.000 claims abstract description 5
- 238000011084 recovery Methods 0.000 claims description 4
- 230000004087 circulation Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract description 2
- 238000010981 drying operation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000219122 Cucurbita Species 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- OOYGSFOGFJDDHP-KMCOLRRFSA-N kanamycin A sulfate Chemical group OS(O)(=O)=O.O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CN)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O[C@@H]2[C@@H]([C@@H](N)[C@H](O)[C@@H](CO)O2)O)[C@H](N)C[C@@H]1N OOYGSFOGFJDDHP-KMCOLRRFSA-N 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/10—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in the open air; in pans or tables in rooms; Drying stacks of loose material on floors which may be covered, e.g. by a roof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of novel high-efficiency and energy-saving heat pump double back heated drying system, including drying shed；Heat-insulation layer；Material frame；Dry door；Aid in aerofoil；Divide windshield plate；Drying shed air inlet；Drying shed air outlet；Air draft airduct；Air-valve A；Air-valve B；Air-valve C；Air heat exchanger；Circulating fan；Air intake blower fan；Exhaust fan；Evaporator；Expansion valve；Compressor；Condenser and environment fresh air.The critical piece of wherein heat pump is evaporator；Expansion valve；Compressor and condenser.Three air-valves are provided with system, the switching of open type and closed cycle is completed by adjusting the unlatching of three air-valves, the continuous drying operation under different drying processes can be met.Advantage of the system is that ensure that the stability of drying process, the waste heat from tail gas after dried material can be fully reclaimed, energy-saving effect is obvious.
Description
Technical field
The present invention relates to a kind of Analysis of Heat Pump Drying System, more particularly to a kind of novel high-efficiency and energy-saving heat pump double back heated drying system
System, belongs to solar drying technology field.
Background technology
It is the new and high technology to grow up late 1970s in heat pump drying technology, because of its unique dry original
Reason, energy-efficient, the thermal efficiency is high, and pollution-free, dry mass is good and is increasingly valued by people.Air source heat pump is a kind of
Energy-efficient technology, it can be by consuming a part of high-grade energy, by inverse Kano thermodynamic cycle, the low product of another part
Potential energy changes into the energy lift device of high-grade energy.
The object of heat pump drying has been extended to food processing, gourd, fruit and vegetable, medicine and biology system from the initial drying of wood
The numerous areas such as product.Although heat pump drying haves many advantages, such as, how further to reclaim the heat of hydrofuge air and do
The structure design in air channel inside dry room, there is presently no a kind of simple and practical measure so that the drying of heat pump drying device
Performance, which improves, becomes one of obstacle.The defects of to overcome conventional heat pump drying system, to the inside air channel in drying shed and heat
Pump drying system structure is designed, to reach the dry mass target of material in evenly drying room and energy conservation object.
The content of the invention
A kind of present invention aims to overcome that deficiency in existing heat pump drying room, there is provided novel high-efficiency and energy-saving heat pump double back heat
Drying system, the problem of not only solving temperature field, moisture field, velocity field skewness, also solve energy expenditure it is high and
The problem of drying effect is bad, and cost is low, simple in construction, good reliability, fabrication and installation convenience, effectively increases heat
The drying efficiency of pump drying shed.
The present invention completes by the following technical programs：A kind of novel high-efficiency and energy-saving heat pump double back heated drying system, including it is dry
Dry room；Heat-insulation layer；Material frame；Dry door；Aid in aerofoil；Divide windshield plate；Drying shed air inlet；Drying shed air outlet；Air draft
Airduct；Air-valve A；Air-valve B；Air-valve C；Air heat exchanger；Circulating fan；Air intake blower fan；Exhaust fan；Evaporator；Expansion valve；Pressure
Contracting machine；Condenser and environment fresh air.The critical piece of wherein heat pump is evaporator；Expansion valve；Compressor and condenser.Air-valve C
In the environment, the other end is directly connected with the environment fresh inlet of air heat exchanger for installation；The preheating fresh air of air heat exchanger goes out
Mouth is connected with heat pump condenser, and the hydrofuge hot wind inlet of air heat exchanger is connected with air draft airduct, the hydrofuge heat of air heat exchanger
Wind exports and evaporator with heat pump.Air-valve B wherein is installed between the hydrofuge hot wind inlet of air heat exchanger and air draft airduct；It is empty
Gas heat exchanger preheating fresh air outlet is connected between heat pump condenser with air draft airduct, formed threeway, between air-valve is installed
A.Air draft airduct one end is connected with drying shed air outlet.
Some air vents that dividing on windshield plate in described drying shed has spacing equal.
Described air draft airduct is made up of pressure hydrofuge airduct and closed cycle airduct.
Described circulating fan is arranged in the middle part of drying shed, and front and rear is dry materials region.
Described air heat exchanger is arranged between air draft airduct and evaporator.
The present invention compared with prior art, has the following advantages that：Cost of the present invention is low, simple in construction, good reliability,
Fabrication and installation are convenient, drying effect is good, drying efficiency is high.Open type and closed cycle drying mode are used simultaneously, product can be reduced
Energy consumption needed for drying, reduce drying cost.When the temperature in hothouse is too high, control system can start automatic benefit fresh air
Operated with automatic exhausting, to avoid high temperature from ensureing dry products quality to harmful effect caused by crop etc..
Brief description of the drawings
Fig. 1：The system structure diagram of the present invention；
Description of reference numerals：1 drying shed；2 heat-insulation layers；3 material frames；4 dry door；5 auxiliary aerofoils；6 points of windshield plates；7 dry
Room air inlet；8 drying shed air outlets；9 air draft airducts；10 air-valve A；11 air-valve B；12 air-valve C；13 air heat exchangers；14 circulations
Blower fan；15 air intake blower fans；16 exhaust fans；17 evaporators；18 expansion valves；19 compressors；20 condensers；21 environment fresh airs.
Embodiment
Present disclosure is described in further details with reference to the accompanying drawings and detailed description.
Fig. 1 is the system structure diagram of the present invention.A kind of novel high-efficiency and energy-saving heat pump double back heated drying system, including it is dry
Dry room（1）；Heat-insulation layer（2）；Material frame（3）；Dry door（4）；Aid in aerofoil（5）；Divide windshield plate（6）；Drying shed air inlet
（7）；Drying shed air outlet（8）；Air draft airduct（9）；Air-valve A（10）；Air-valve B（11）；Air-valve C（12）；Air heat exchanger（13）；
Circulating fan（14）；Air intake blower fan（15）；Exhaust fan（16）；Evaporator（17）；Expansion valve（18）；Compressor（19）；Condensation
Device（20）With environment fresh air（21）.The critical piece of wherein heat pump is evaporator（17）；Expansion valve（18）；Compressor（19）With it is cold
Condenser（20）.
Air-valve C（12）Installation in the environment, the other end directly and air heat exchanger（13）Environment fresh air（21）Import phase
Even；Air heat exchanger（13）Preheating fresh air outlet and heat pump condenser（20）It is connected, air heat exchanger（13）Hydrofuge hot blast
Import and air draft airduct（9）It is connected, air heat exchanger（13）Hydrofuge hot-blast outlet and evaporator with heat pump（17）It is connected.Wherein exist
Air heat exchanger（13）Hydrofuge hot wind inlet and air draft airduct（9）Between air-valve B is installed（11）；Air heat exchanger（13）'s
Preheat fresh air outlet and heat pump condenser（20）Between with air draft airduct（9）Be connected, formed threeway, between air-valve A is installed
（10）.Air draft airduct（9）One end and drying shed air outlet（8）It is connected.
A kind of novel high-efficiency and energy-saving heat pump double back heated drying system, hereinafter referred to as system.Three air-valves are provided with system,
The switching of open type and closed cycle is completed by adjusting the unlatching of three air-valves, can be met continuous dry under different drying processes
Dry operation.
Described drying shed（1）Interior divides windshield plate（6）On have the equal some air vents of spacing, by hot-air equably
It is assigned to drying shed（1）It is internal.
Described air draft airduct（9）It is made up of pressure hydrofuge airduct and closed cycle airduct.
Described circulating fan（14）Installed in drying shed（1）Middle part, front and rear is dry materials region, by material frame
（3）The natural air channel formed between layers, hot-air while reducing windage, and are taken away rapidly laterally across dried material
The moisture of material.
Described air heat exchanger（13）Installed in air draft airduct（9）And evaporator（17）Between, use air heat exchanger
（13）As one-level waste-heat recovery device, evaporator is used（17）Two level waste-heat recovery device.
Open type double back heated drying pattern：Work as drying shed（1）When interior humidity is more than setting humidity.Now, air-valve A（10）Place
In closed mode；Air-valve B（11）With air-valve C（12）In opening；Outdoor environment fresh air（21）Pass through air-valve C（12）Into
Air heat exchanger（13）；By air heat exchanger（13）In come from air draft airduct（9）In hot and humid air preheat after, reach it is cold
Condenser（20）Further heating, finally by air intake blower fan（15）Into drying shed（1）；Drying shed（1）Inside divide windshield plate（6）Will
Hot-air is assigned in whole cross section；In circulating fan（14）In the presence of, hot-air absorbs material moisture；In auxiliary aerofoil（5）
In the presence of, hot and humid air passes through drying shed air outlet（8）Into air draft airduct（9）.
Heat pump closed cycle drying mode：Work as drying shed（1）When interior humidity is less than setting humidity.Now, air-valve A（10）
In opening；Air-valve B（11）With air-valve C（12）It is closed.Hot inside air now is hedged off from the outer world, and follows
Ring heats.Work as drying shed（1）When interior humidity is more than setting humidity, system is switched to open type double back heated drying pattern.
Above-mentioned embodiment merely to enable those skilled in the art to be better understood from this patent content, without
It is interpreted as the limitation to scope of patent protection of the present invention.Those skilled in the art, in the essential scope of the present invention,
Make a variety of changes or substitute, should also belong to the protection category of the present invention.
Claims (5)
1. a kind of novel high-efficiency and energy-saving heat pump double back heated drying system, including drying shed；Heat-insulation layer；Material frame；Dry door；It is auxiliary
Help aerofoil；Divide windshield plate；Drying shed air inlet；Drying shed air outlet；Air draft airduct；Air-valve A；Air-valve B；Air-valve C；Air heat-exchange
Device；Circulating fan；Air intake blower fan；Exhaust fan；Evaporator；Expansion valve；Compressor；Condenser and environment fresh air, wherein heat pump
Critical piece be evaporator；Expansion valve；Compressor and condenser, air-valve C are installed in the environment, and the other end directly changes with air
The environment fresh inlet of hot device is connected；The preheating fresh air outlet of air heat exchanger is connected with heat pump condenser, air heat exchanger
Hydrofuge hot wind inlet is connected with air draft airduct, the hydrofuge hot-blast outlet and evaporator with heat pump of air heat exchanger, wherein being changed in air
Air-valve B is installed between the hydrofuge hot wind inlet and air draft airduct of hot device；The preheating fresh air outlet of air heat exchanger is cold with heat pump
Be connected between condenser with air draft airduct, formed threeway, between air-valve A, air draft airduct one end and drying shed air outlet phase are installed
Even.
2. according to a kind of novel high-efficiency and energy-saving heat pump double back heated drying system described in claim 1, it is characterized in that：Dry
The equal some air vents of spacing are provided with room divides windshield plate, and hot-air is uniformly distributed to inside drying shed.
3. according to a kind of novel high-efficiency and energy-saving heat pump double back heated drying system described in claim 1, it is characterized in that：Air draft
Airduct is made up of pressure hydrofuge airduct and closed cycle airduct.
4. according to a kind of novel high-efficiency and energy-saving heat pump double back heated drying system described in claim 1, it is characterized in that：Circulation
For assembling in the middle part of drying shed, front and rear is dry materials region.
5. according to a kind of novel high-efficiency and energy-saving heat pump double back heated drying system described in claim 1, it is characterized in that：Air
Heat exchanger is arranged between air draft airduct and evaporator, by the use of air heat exchanger as one-level waste-heat recovery device, with evaporator two
Level waste-heat recovery device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711309761.5A CN107830705A (en) | 2017-12-11 | 2017-12-11 | A kind of novel high-efficiency and energy-saving heat pump double back heated drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711309761.5A CN107830705A (en) | 2017-12-11 | 2017-12-11 | A kind of novel high-efficiency and energy-saving heat pump double back heated drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107830705A true CN107830705A (en) | 2018-03-23 |
Family
ID=61642757
Family Applications (1)
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| CN201711309761.5A Pending CN107830705A (en) | 2017-12-11 | 2017-12-11 | A kind of novel high-efficiency and energy-saving heat pump double back heated drying system |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237925A (en) * | 2018-10-29 | 2019-01-18 | 江苏天舒电器有限公司 | A kind of dehumidifying drying control system for heat pump |
| CN109405446A (en) * | 2018-11-06 | 2019-03-01 | 马鞍山沐及信息科技有限公司 | A kind of Analysis of Heat Pump Drying System |
| CN109520275A (en) * | 2018-12-19 | 2019-03-26 | 宝莲华新能源技术（上海）股份有限公司 | A kind of four-way intelligence dryer |
| CN109520277A (en) * | 2018-12-19 | 2019-03-26 | 宝莲华新能源技术（上海）股份有限公司 | A kind of high temperature modification four-way intelligence dryer |
| CN109520228A (en) * | 2018-12-19 | 2019-03-26 | 宝莲华新能源技术（上海）股份有限公司 | A kind of intelligence drying flexible apparatus all-in-one machine |
| CN110345666A (en) * | 2019-06-25 | 2019-10-18 | 广东奥伯特节能设备有限公司 | For the control method of heat pump drying unit, system, device and storage medium |
| CN110715518A (en) * | 2019-11-22 | 2020-01-21 | 新乡海弗星换热科技有限公司 | System device for drying fine dried noodles |
| CN110786371A (en) * | 2019-12-09 | 2020-02-14 | 山东省科学院能源研究所 | Resource zero-loss heat pump type fruit and vegetable drying processing system and processing method |
| CN111623622A (en) * | 2020-07-01 | 2020-09-04 | 长沙跃奇节能电气设备有限公司 | Energy-saving drying equipment |
| CN111664666A (en) * | 2020-06-11 | 2020-09-15 | 青岛科技大学 | Seed heat pump drying device with multiple operation modes |
| CN112033097A (en) * | 2020-05-22 | 2020-12-04 | 南京中医药大学 | Side-arranged horizontal-pushing type intelligent heat pump dryer |
| CN112254443A (en) * | 2020-09-10 | 2021-01-22 | 江苏吉能达环境能源科技有限公司 | Energy-concerving and environment-protective high-efficient drying-machine |
| CN112284093A (en) * | 2020-11-12 | 2021-01-29 | 北京中矿赛力贝特节能科技有限公司 | Drying device |
| CN113720114A (en) * | 2021-08-24 | 2021-11-30 | 玉溪新天力农业装备制造有限公司 | Air source heat pump parallel air supply type dryer |
| CN113758226A (en) * | 2021-09-13 | 2021-12-07 | 南昌航空大学 | Dryer tail gas waste heat recovery device, dryer and waste heat recovery method |
| CN113883838A (en) * | 2021-09-30 | 2022-01-04 | 广东奥伯特节能设备有限公司 | Integral multi-functional dehumidification drying-machine |
| CN114111241A (en) * | 2021-11-23 | 2022-03-01 | 深圳技术大学 | Opening-closing ring integrated photo-thermal air energy dryer and drying mode adjusting method |
| CN114688843A (en) * | 2020-12-28 | 2022-07-01 | 甘肃华清新能源生物科技有限公司 | Biomass hot air drying all-in-one machine |
| CN115247944A (en) * | 2020-11-07 | 2022-10-28 | 云南师范大学 | Novel half embedding box formula heat pump backheat drying system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020087262A1 (en) * | 2018-10-29 | 2020-05-07 | 江苏天舒电器有限公司 | Heat pump control system for dehumidification and drying |
| CN109237925A (en) * | 2018-10-29 | 2019-01-18 | 江苏天舒电器有限公司 | A kind of dehumidifying drying control system for heat pump |
| CN109405446A (en) * | 2018-11-06 | 2019-03-01 | 马鞍山沐及信息科技有限公司 | A kind of Analysis of Heat Pump Drying System |
| CN109520275A (en) * | 2018-12-19 | 2019-03-26 | 宝莲华新能源技术（上海）股份有限公司 | A kind of four-way intelligence dryer |
| CN109520277A (en) * | 2018-12-19 | 2019-03-26 | 宝莲华新能源技术（上海）股份有限公司 | A kind of high temperature modification four-way intelligence dryer |
| CN109520228A (en) * | 2018-12-19 | 2019-03-26 | 宝莲华新能源技术（上海）股份有限公司 | A kind of intelligence drying flexible apparatus all-in-one machine |
| CN110345666A (en) * | 2019-06-25 | 2019-10-18 | 广东奥伯特节能设备有限公司 | For the control method of heat pump drying unit, system, device and storage medium |
| CN110345666B (en) * | 2019-06-25 | 2021-07-20 | 广东奥伯特节能设备有限公司 | Control method, system and device for heat pump drying unit and storage medium |
| CN110715518A (en) * | 2019-11-22 | 2020-01-21 | 新乡海弗星换热科技有限公司 | System device for drying fine dried noodles |
| CN110786371A (en) * | 2019-12-09 | 2020-02-14 | 山东省科学院能源研究所 | Resource zero-loss heat pump type fruit and vegetable drying processing system and processing method |
| CN112033097A (en) * | 2020-05-22 | 2020-12-04 | 南京中医药大学 | Side-arranged horizontal-pushing type intelligent heat pump dryer |
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| CN115247944A (en) * | 2020-11-07 | 2022-10-28 | 云南师范大学 | Novel half embedding box formula heat pump backheat drying system |
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| CN113758226A (en) * | 2021-09-13 | 2021-12-07 | 南昌航空大学 | Dryer tail gas waste heat recovery device, dryer and waste heat recovery method |
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