CN107830697A - Air energy heat pump drying system - Google Patents
Air energy heat pump drying system Download PDFInfo
- Publication number
- CN107830697A CN107830697A CN201711238227.XA CN201711238227A CN107830697A CN 107830697 A CN107830697 A CN 107830697A CN 201711238227 A CN201711238227 A CN 201711238227A CN 107830697 A CN107830697 A CN 107830697A
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- CN
- China
- Prior art keywords
- condenser
- evaporator
- energy heat
- heat pump
- source pump
- Prior art date
- 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.)
- Pending
Links
- 238000001035 drying Methods 0.000 title claims abstract description 55
- 239000007788 liquid Substances 0.000 claims description 22
- 238000009413 insulation Methods 0.000 claims description 15
- 239000003507 refrigerant Substances 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 230000008439 repair process Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
-
- 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
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- 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
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
- F26B25/007—Dust filtering; Exhaust dust filters
Landscapes
- 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 provides a kind of air energy heat pump drying system, including the first source pump (1), the second source pump (2), enter air duct (3), chimney fan (4) and blower fan (5), enter the air inlet of air duct connection drying chamber (6), chimney fan connects the air outlet of drying chamber, first source pump includes the first condenser (12) and the first evaporator (16), and the second source pump includes the second condenser (22) and the second evaporator (26).The first condenser and the second condenser of the present invention forms temperature elevation system step by step, and drying chamber provides the flowing gas of higher temperature, and programming rate is fast, and drying efficiency is high.The heat that second evaporator and the first evaporator form the gas that cooling system is discharged to drying chamber step by step carries out secondary recovery utilization, reduces energy consumption, and Maintenance and Repair are convenient, and operation and control are simple, and Stability and dependability is high.
Description
Technical field
The present invention relates to air energy thermal pumping unit, particularly, is related to a kind of air energy heat pump drying system.
Background technology
The main working process of air energy heat pump drying system is to make refrigerant temperature to cold media compression using compressor
Rise, condenser is recycled to make atmosphere temperature rising and carry out drying work, existing air energy heat pump drying system general structure is answered
Miscellaneous, maintenance difficulties are big, and dryer can not provide sufficiently high temperature when winter temperature is relatively low, reduce drying effect, China is specially
Sharp 201620484889.X discloses a kind of single twin-stage overlapping drying source pump, although being provided with two compressors in the program
The high temperature mode of work simultaneously, but need between one-level heat exchange loop and two level heat exchange loop to pass through heat exchange in the program
Device indirect transfer heat, heat passes to the heat transfer medium in heat exchanger from primary circuit, then is transmitted to secondary circuit, and heat exists
There is certain loss in the heat transfer medium of heat exchanger, the speed of heat transfer is not fast enough, therefore the Drying unit heating speed of the program
Degree is not fast enough, therefore, needs a kind of to provide sufficiently high temperature and the fast scheme of programming rate solves this in the prior art
Individual problem.
The content of the invention
Present invention aims at a kind of air energy heat pump drying system is provided, to solve the problems, such as to propose in background technology.
To achieve the above object, the invention provides a kind of air energy heat pump drying system, including the first source pump 1,
Second source pump 2, enters air duct 3, chimney fan 4 and blower fan 5, it is described enter air duct connection drying chamber 6 air inlet, the chimney fan
The air outlet of drying chamber is connected, the first condenser 12 and the first evaporator are provided with the circulation line of first source pump
16, be provided with the second condenser 22 and the second evaporator 26 on the circulation line of second source pump, the first condenser with
Second condenser be arranged at it is described enter air duct in and the first condenser be located at the upwind position of the second condenser, the blower fan
It is arranged at into the drying chamber air inlet opening position of air duct end and the air outlet of blower fan is towards drying chamber.
Further, first evaporator and the second evaporator are arranged in the chimney fan and the second evaporator position
In the upwind position of the first evaporator.
Further, the chimney fan is provided with screen pack 7 at connection drying chamber air outlet position.
Preferably, the drying chamber is the insulation drying chamber for being provided with thermal insulation layer 61, it is described enter air duct be with chimney fan
It is provided with the thermal-insulation fan drum of thermal insulation layer.
First source pump also include being arranged on the first compressor 11 on its circulation line, the first expansion valve 15 with
First gas-liquid separator 17, along the refrigerant body flow direction in the first source pump circulation line, first compressor 11,
One condenser 12, the first expansion valve 15, the first evaporator 16 and the first gas-liquid separator 17 are sequentially connected with, the first gas-liquid separator
Cold media outlets be connected with the cold Media Entrance of the first compressor, form a closed circulation pipeline.
First source pump also includes being arranged on being expanded positioned at the first condenser 12 and first on its circulation line
The first reservoir 13 between valve 15, first filter 14.
Second source pump also include being arranged on the second compressor 21 on its circulation line, the second expansion valve 25 with
Second gas-liquid separator 27, along the refrigerant body flow direction in the second source pump circulation line, second compressor 21,
Two condensers 22, the second expansion valve 25, the second evaporator 26 and the second gas-liquid separator 27 are sequentially connected with, the second gas-liquid separator
Cold media outlets be connected with the cold Media Entrance of the second compressor, form a closed circulation pipeline.
Second source pump also includes being arranged on being expanded positioned at the second condenser 22 and first on its circulation line
The second reservoir 23, the second filter 24 between valve 25.
Preferably, first compressor and the second compressor are respectively connected with the frequency converter for adjusting its rotating speed.
The present invention at least has the advantages that：
The air energy heat pump drying system of the present invention is using the first source pump as hot pump in low temp system, with the second heat pump machine
Group is used as high temperature heat pump system, and the first condenser and the second condenser form temperature elevation system step by step, and outside air is through the first condensation
Enter drying chamber after the heating of the stepped heating of device and the second condenser, air flows through the second condenser after the heating of the first condenser
Heating, is directly heated by the second condenser, can provide drying chamber the flowing gas of higher temperature, and programming rate is fast, drying
Efficiency high.
In the air energy heat pump drying system of the present invention, forming cooling step by step by the second evaporator and the first evaporator is
System, the heat of the gas of drying chamber discharge are first recycled through the second evaporator, are respectively used to again after the recovery of the second evaporator
To the second condenser and the first condenser additional heat, the heating effect of the second condenser and the first condenser is risen and promotes to make
With, the power that reduction compressor is consumed, reduction energy consumption.
The first source pump of the present invention is independently arranged with the second source pump, and Maintenance and Repair are convenient, operation and control letter
Single, Stability and dependability is high.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the air energy heat pump drying system system construction drawing of the preferred embodiment of the present invention.
In figure：The source pumps of 1- first, the compressors of 11- first, the condensers of 12- first, the reservoirs of 13- first, 14- first
Filter, the expansion valves of 15- first, the evaporators of 16- first, the gas-liquid separators of 17- first, the source pumps of 2- second, 21- second are pressed
Contracting machine, the condensers of 22- second, the reservoirs of 23- second, the filters of 24- second, the expansion valves of 25- second, the evaporators of 26- second,
The gas-liquid separators of 27- second, 3- enter air duct, 4- chimney fans, 5- blower fans, 6- drying chambers, 61- thermal insulation layers, 7- screen packs.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can limit according to claim
Fixed and covering multitude of different ways is implemented.
Referring to a kind of Fig. 1 air energy heat pump drying system, including the first source pump 1, the second source pump 2, air intake
Cylinder 3, chimney fan 4 and blower fan 5, enter the air inlet of air duct connection drying chamber 6, and chimney fan connects the air outlet of drying chamber, the first heat
The first condenser 12 and the first evaporator 16 are provided with the circulation line of pump assembly, is set on the circulation line of the second source pump
It is equipped with the second condenser 22 and the second evaporator 26, the first condenser and the second condenser are arranged at into air duct and first is cold
Condenser is located at the upwind position of the second condenser, and blower fan is arranged at drying chamber air inlet opening position and blower fan into air duct end
Air outlet towards drying chamber.
In the present embodiment, the first evaporator and the second evaporator are arranged in chimney fan and the second evaporator is located at first
The upwind position of evaporator.
In the present embodiment, chimney fan is provided with screen pack 7 at connection drying chamber air outlet position.
In the present embodiment, drying chamber is the insulation drying chamber for being provided with thermal insulation layer 61, and it is to set to enter air duct with chimney fan
There is the thermal-insulation fan drum of thermal insulation layer, to reduce the dissipation of heat as far as possible.
In the present embodiment, the first source pump also includes the first compressor 11, first storage being arranged on its circulation line
Liquid device 13, first filter 14, the first expansion valve 15 and the first gas-liquid separator 17, along the first source pump circulation line
Refrigerant body flow direction, the first compressor 11, the first condenser 12, the first reservoir 13, first filter 14, the first expansion valve
15th, the first evaporator 16 is sequentially connected with the first gas-liquid separator 17, the cold media outlets of the first gas-liquid separator and the first pressure
The cold Media Entrance connection of contracting machine, forms a closed circulation pipeline.
In the present embodiment, the second source pump also includes the second compressor 21, second storage being arranged on its circulation line
Liquid device 23, the second filter 24, the second expansion valve 25 and the second gas-liquid separator 27, along the second source pump circulation line
Refrigerant body flow direction, the second compressor 21, the second condenser 22, the second reservoir 23, the second filter 24, the second expansion valve
25th, the second evaporator 26 is sequentially connected with the second gas-liquid separator 27, the cold media outlets of the second gas-liquid separator and the second pressure
The cold Media Entrance connection of contracting machine, forms a closed circulation pipeline.
In the present embodiment, the first compressor and the second compressor are respectively connected with the frequency converter for adjusting its rotating speed, with side
Just according to outside air temperature and required temperature and the power output of the first compressor of regulation and the second compressor.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. air energy heat pump drying system, it is characterised in that including the first source pump (1), the second source pump (2), Enter air duct (3), chimney fan (4) and blower fan (5), it is described enter air duct connection drying chamber (6) air inlet, the chimney fan connection dries The air outlet of dry chamber, the first condenser (12) and the first evaporator are provided with the circulation line of first source pump (16) the second condenser (22) and the second evaporator (26), are provided with the circulation line of second source pump, first is cold Condenser and the second condenser be arranged at it is described enter air duct in and the first condenser be located at the upwind position of the second condenser, institute State that blower fan is arranged at into the drying chamber air inlet opening position of air duct end and the air outlet of blower fan is towards drying chamber.
- 2. a kind of air energy heat pump drying system according to claim 1, it is characterised in that first evaporator and Two evaporators are arranged in the chimney fan and the second evaporator is located at the upwind position of the first evaporator.
- 3. a kind of air energy heat pump drying system according to claim 2, it is characterised in that the chimney fan is to be provided with The thermal-insulation fan drum of thermal insulation layer.
- 4. a kind of air energy heat pump drying system according to claim 1, it is characterised in that the chimney fan dries in connection Screen pack (7) is provided with dry chamber air outlet position.
- 5. a kind of air energy heat pump drying system according to claim 1, it is characterised in that the drying chamber is to be provided with The insulation drying chamber of thermal insulation layer (61), it is described enter air duct be the thermal-insulation fan drum for being provided with thermal insulation layer.
- 6. a kind of air energy heat pump drying system according to claim 1, it is characterised in that first source pump is also Including the first compressor (11), the first expansion valve (15) and the first gas-liquid separator (17) being arranged on its circulation line, edge Refrigerant body flow direction in first source pump circulation line, first compressor (11), the first condenser (12), first Expansion valve (15), the first evaporator (16) and the first gas-liquid separator (17) are sequentially connected with, the refrigerant body of the first gas-liquid separator Outlet is connected with the cold Media Entrance of the first compressor, forms a closed circulation pipeline.
- 7. a kind of air energy heat pump drying system according to claim 6, it is characterised in that first source pump is also Including the first reservoir between the first condenser (12) and the first expansion valve (15) being arranged on its circulation line (13), first filter (14).
- 8. a kind of air energy heat pump drying system according to claim 1, it is characterised in that second source pump is also Including the second compressor (21), the second expansion valve (25) and the second gas-liquid separator (27) being arranged on its circulation line, edge Refrigerant body flow direction in second source pump circulation line, second compressor (21), the second condenser (22), second Expansion valve (25), the second evaporator (26) and the second gas-liquid separator (27) are sequentially connected with, the refrigerant body of the second gas-liquid separator Outlet is connected with the cold Media Entrance of the second compressor, forms a closed circulation pipeline.
- 9. a kind of air energy heat pump drying system according to claim 8, it is characterised in that second source pump is also Including the second reservoir between the second condenser (22) and the first expansion valve (25) being arranged on its circulation line (23), the second filter (24).
- 10. a kind of air energy heat pump drying system according to any one in claim 1~9, it is characterised in that described First compressor and the second compressor are respectively connected with the frequency converter for adjusting its rotating speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711238227.XA CN107830697A (en) | 2017-11-30 | 2017-11-30 | Air energy heat pump drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711238227.XA CN107830697A (en) | 2017-11-30 | 2017-11-30 | Air energy heat pump drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107830697A true CN107830697A (en) | 2018-03-23 |
Family
ID=61646722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711238227.XA Pending CN107830697A (en) | 2017-11-30 | 2017-11-30 | Air energy heat pump drying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107830697A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489373A (en) * | 2018-11-22 | 2019-03-19 | 华电电力科学研究院有限公司 | A kind of flyash dry classification system |
| CN110274459A (en) * | 2019-07-25 | 2019-09-24 | 河南优备冷暖设备有限公司 | A kind of split type double dynamical air source heat pump for drying |
| CN110799695A (en) * | 2018-11-14 | 2020-02-14 | 广东美的白色家电技术创新中心有限公司 | Closed heat pump clothes dryer system |
| CN110849098A (en) * | 2019-12-02 | 2020-02-28 | 佛山铠耐空调设备有限公司 | Two-stage heat exchange drying unit |
| CN114294942A (en) * | 2021-12-23 | 2022-04-08 | 珠海格力电器股份有限公司 | Heat pump drying system and control method thereof |
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| CN101504247A (en) * | 2009-02-26 | 2009-08-12 | 东莞市康源节能科技有限公司 | Air source high-temperature heat pump dehumidification equipment |
| CN201364009Y (en) * | 2009-03-02 | 2009-12-16 | 东莞市康源节能科技有限公司 | Air source high-temperature heat pump dehumidification drying equipment |
| CN201364007Y (en) * | 2009-03-02 | 2009-12-16 | 东莞市康源节能科技有限公司 | Air source high-temperature heat pump dryer |
| CN201364008Y (en) * | 2009-03-02 | 2009-12-16 | 东莞市康源节能科技有限公司 | Air source heat pump dehumidification drying equipment with adjustable temperature |
| CN106705590A (en) * | 2016-12-13 | 2017-05-24 | 河南佰衡节能科技股份有限公司 | Heat pump type water heating drying system |
| CN207741445U (en) * | 2017-11-30 | 2018-08-17 | 湖南埃瓦新能源科技有限公司 | Air energy heat pump drying system |
-
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Patent Citations (6)
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| CN101504247A (en) * | 2009-02-26 | 2009-08-12 | 东莞市康源节能科技有限公司 | Air source high-temperature heat pump dehumidification equipment |
| CN201364009Y (en) * | 2009-03-02 | 2009-12-16 | 东莞市康源节能科技有限公司 | Air source high-temperature heat pump dehumidification drying equipment |
| CN201364007Y (en) * | 2009-03-02 | 2009-12-16 | 东莞市康源节能科技有限公司 | Air source high-temperature heat pump dryer |
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| CN106705590A (en) * | 2016-12-13 | 2017-05-24 | 河南佰衡节能科技股份有限公司 | Heat pump type water heating drying system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110799695A (en) * | 2018-11-14 | 2020-02-14 | 广东美的白色家电技术创新中心有限公司 | Closed heat pump clothes dryer system |
| WO2020097831A1 (en) * | 2018-11-14 | 2020-05-22 | 广东美的白色家电技术创新中心有限公司 | Closed heat pump clothes dryer system |
| CN109489373A (en) * | 2018-11-22 | 2019-03-19 | 华电电力科学研究院有限公司 | A kind of flyash dry classification system |
| CN110274459A (en) * | 2019-07-25 | 2019-09-24 | 河南优备冷暖设备有限公司 | A kind of split type double dynamical air source heat pump for drying |
| CN110849098A (en) * | 2019-12-02 | 2020-02-28 | 佛山铠耐空调设备有限公司 | Two-stage heat exchange drying unit |
| CN114294942A (en) * | 2021-12-23 | 2022-04-08 | 珠海格力电器股份有限公司 | Heat pump drying system and control method thereof |
| CN114294942B (en) * | 2021-12-23 | 2022-12-20 | 珠海格力电器股份有限公司 | Heat pump drying system and control method thereof |
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Application publication date: 20180323 |