CN207317478U - A kind of waste-heat recovery device of heat pump drier - Google Patents
A kind of waste-heat recovery device of heat pump drier Download PDFInfo
- Publication number
- CN207317478U CN207317478U CN201721148285.9U CN201721148285U CN207317478U CN 207317478 U CN207317478 U CN 207317478U CN 201721148285 U CN201721148285 U CN 201721148285U CN 207317478 U CN207317478 U CN 207317478U
- Authority
- CN
- China
- Prior art keywords
- heat
- waste
- pump drier
- heat pump
- heat exchange
- 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.)
- Expired - Fee Related
Links
- 239000002918 waste heat Substances 0.000 title claims abstract description 30
- 238000011084 recovery Methods 0.000 title claims abstract description 18
- 230000008676 import Effects 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 21
- 239000010949 copper Substances 0.000 claims description 21
- 229910052802 copper Inorganic materials 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 4
- 238000010025 steaming Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000007604 dielectric heating drying Methods 0.000 description 2
- 238000010981 drying operation Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002036 drum drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a kind of waste-heat recovery device of heat pump drier, include the heat exchanger for the outdoor evaporator for being connected to heat pump drier, the heat exchanger is internally provided with cold air duct and hot-air channel for carrying out heat exchange, the import of the hot-air channel is provided with the induced draft fans for taking damp-heat air away, and the outlet of the hot-air channel is close to the inlet side of the outdoor evaporator of heat pump drier；The import of the cold air duct is arranged in the outside of heat pump drier, and the outlet of the cold air duct is towards the inlet side of the indoor condenser of heat pump drier.After heat pump drier adds the waste-heat recovery device of the utility model, the waste heat of damp-heat air has on the one hand been recycled, has reduced the waste of the energy, has on the other hand substantially reduced the overall energy consumption of heat pump drier, has saved the energy, it is more environmentally friendly energy saving.
Description
Technical field
Drying equipment technical field is the utility model is related to, is specifically a kind of waste-heat recovery device of heat pump drier.
Background technology
It is dry refer to moisture or the technology of other hygroscopic waters are removed from wet stock, be widely used in chemical industry, food, light industry,
Each industrial circles such as weaving, coal, agriculture and forestry product processing and building materials.Its basic principle is, at a certain temperature, any aqueous
Wet stock has certain vapour pressure, and when this vapour pressure is more than the water vapor partial pressure in ambient gas, moisture will vaporize.Vaporization institute
Calorific requirement, or provided from surrounding hot gas, or by other heat sources by radiation, heat transfer.Understand to influence by principles above dry
The objective condition of dry efficiency has two：One is the water vapor partial pressure in surrounding air, and one is heat.According to the supplier of heat
Formula is different, there is a variety of dry types, such as convective drying, conductive drying, radiant drying, dielectric heating drying etc..Convective drying exists
Most widely used in production, it includes pneumatic conveying drying, spray drying, fluidized drying, revolving drum drying and carriage-type drying etc..Conduction
It is dry to include roller drying, freeze-drying, vacuum rake type drying etc..Radiant drying and dielectric heating drying since cost is higher,
Industrially using less.Above drying means or drying equipment all suffer from a contradiction, i.e. drying efficiency and drying cost is past
It is past directly proportional, also increase energy consumption cost while increasing heat supply.Therefore, existing highly effective drying function is developed, again
Can be the important directions of current drying industry technology development with the drying device of energy-conservation of consumption reduction.Wherein heat pump drier be use compared with
Extensive drying machine, existing heat pump drier are typically mounted on outside hothouse, by the breeze fan of condenser to hothouse
Be sent into hot wind, hothouse opposite side installs air exhauster and takes the dry damp-heat air produced away, but damp-heat air temperature compared with
Height, directly drains and causes substantial amounts of thermal loss, is unfavorable for energy-saving.It would therefore be highly desirable to the waste heat for developing heat pump drier returns
Receiving apparatus, using the waste heat of damp-heat air, to reduce the energy consumption of heat pump drier, meet ecological requirements instantly.
The content of the invention
For overcome the deficiencies in the prior art, the utility model provides a kind of waste-heat recovery device of heat pump drier, returns
The heat of hygroscopic hot-air, reduces energy consumption, saves the energy.
Technical solution is used by the utility model solves its technical problem：
A kind of waste-heat recovery device of heat pump drier, includes the heat exchange for the outdoor evaporator for being connected to heat pump drier
Device, the heat exchanger are internally provided with cold air duct and hot-air channel for carrying out heat exchange, the import of the hot-air channel
It is provided with the induced draft fans for taking damp-heat air away, the outdoor evaporator of the close heat pump drier in outlet of the hot-air channel
Inlet side；The import of the cold air duct is arranged in the outside of heat pump drier, and the outlet of the cold air duct is towards heat pump
The inlet side of the indoor condenser of drying machine.
The angle of 60 to 90 degree is formed as the improvement of above-mentioned technical proposal, between the cold air duct and hot-air channel.
Further as above-mentioned technical proposal is improved, and the heat exchanger is internally provided with some parallel heat exchange fins,
Wind passage, the wind passage composition cold air duct of odd number, the wind passage of even number are formed between two adjacent heat exchange fins
Form hot-air channel.
Further improve, the heat exchanger is internally provided with some heat exchange copper tubes, and the heat exchange copper tube is internally formed heat
Wind passage, the exterior of the heat exchange copper tube form cold air duct.
Further improve, the heat exchange copper tube is arranged to multiple rows of, adjacent two rows of heat exchange copper tube interlaced arrangements.
Further improve, the import of the cold air duct is provided with dedusting guard.
Further improve, be provided with demarcation strip in the hothouse, between the top surface of the demarcation strip and hothouse, side
Return air channel is formed, the import of the hot-air channel of the heat exchanger and the outlet of cold air duct are located in return air channel, the room
Inner condenser is connected on demarcation strip.
Further improve, the both sides of the interior condenser are provided with circulating fan.
The beneficial effects of the utility model are：The damp-heat air for being produced drying operation by induced draft fans is pumped into heat exchange
Device, outdoor evaporator is blowed to by hot-air channel, and cold wind blows to indoor condenser by cold air duct, in heat exchanger cold wind with
Damp-heat air carries out heat exchange, improves the temperature of cold wind, make use of the waste heat of damp-heat air；First fanman of outdoor evaporator
Make, produce negative-pressure sucking in the inlet side of outdoor evaporator is pumped into outdoor evaporator again by the damp-heat air flowed out in hot-air channel
Outdoor is discharged to, is refrigerant liquid evaporation heat supply using the waste heat of damp-heat air, also with the waste heat of damp-heat air.Heat pump is done
After dry machine adds waste-heat recovery device, the waste heat of damp-heat air has on the one hand been recycled, has reduced the waste of the energy, the opposing party
Face substantially reduces the overall energy consumption of heat pump drier, saves the energy, more environmentally friendly energy saving.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the front view of the utility model；
Fig. 2 is the usage state diagram of the utility model.
Embodiment
With reference to Fig. 1~Fig. 2, a kind of waste-heat recovery device of heat pump drier, includes the room for being connected to heat pump drier
The heat exchanger 3 of outer evaporator, the heat exchanger 3 are internally provided with cold air duct and hot-air channel for carrying out heat exchange, institute
The import for stating hot-air channel is provided with induced draft fans 31 for taking damp-heat air away, and the outlet of the hot-air channel is close to heat pump
The inlet side of the outdoor evaporator of drying machine；The import of the cold air duct is arranged in the outside of heat pump drier, the cold wind
The outlet of passage is towards the inlet side of the indoor condenser of heat pump drier.The principle of heat pump drier is as follows, 11 work of compressor
Make the cold media gas to indoor condenser 13 supply high temperature, cold media gas is condensed into liquid release heat in condenser 13 indoors
Amount, heats the air through indoor condenser 13, hot wind is sent into hothouse 2 by breeze fan 131, so that being placed on dry
Material to be dried in dry room 2 removes moisture, completes drying operation；Refrigerant liquid flows through outdoor evaporator 12 and flashes to gas again
Body returns to compressor 11 and completes a circulation.The workflow of waste-heat recovery device is as follows：Made by induced draft fans 31 by dry
The damp-heat air that industry produces is pumped into heat exchanger 3, blows to outdoor evaporator 12 by the hot-air channel of heat exchanger 3, cold wind is by changing
The indoor condenser 13 of cold air duct flow direction of hot device 3, cold wind carry out heat exchange with damp-heat air in heat exchanger 3, improve cold
The temperature of wind, make use of the waste heat of damp-heat air；First wind turbine 121 of outdoor evaporator 12 works, in outdoor evaporator 12
Inlet side produces negative-pressure sucking and the damp-heat air flowed out in hot-air channel suction outdoor evaporator 12 is discharged to outdoor again, and utilization is wet
The waste heat of hot-air is refrigerant liquid evaporation heat supply, also with the waste heat of damp-heat air.Heat pump drier adds waste heat
After retracting device, the waste heat of damp-heat air has on the one hand been recycled, the waste of the energy has been reduced, on the other hand substantially reduces heat pump
The overall energy consumption of drying machine, saves the energy, more environmentally friendly energy saving.
The concrete structure of two kinds of heat exchangers 3 is provided below：
The first scheme, the heat exchanger 3 are internally provided with some parallel heat exchange fins, adjacent two heat exchange fins
Between form wind passage, the wind passage composition cold air duct of odd number, the wind passage composition hot-air channel of even number, in order to add
Big heat exchange area, heat exchange fin may be configured as waveform.
Second scheme, heat exchanger 3 are internally provided with some heat exchange copper tubes, and the hot wind that is internally formed of the heat exchange copper tube leads to
Road, the exterior of the heat exchange copper tube form cold air duct.Preferably, the heat exchange copper tube is arranged to multiple rows of, and adjacent two rows are changed
Hot copper pipe interlaced arrangement, heat exchange copper tube may be arranged as spiral shape to increase heat exchange area and time.Preferably, it is described cold
80 degree of angle is formed between wind passage and hot-air channel.
Using heat exchange fin, either cold wind and damp-heat air are separated heat exchange fin or heat exchange to heat exchanger 3 by heat exchange copper tube
The heat conductivility of copper pipe is superior to be conducive to accelerate heat transfer rate, improves the temperature of the cold wind of supply chamber inner condenser 13, indirectly
Improve the hot blast temperature that indoor condenser 13 is sent into hothouse 2.
In the present embodiment, it is preferred that the import of the cold air duct is provided with dedusting guard to remove the ash in air
Dirt, debris, keep the cleaning of heat exchanger 3, improve the cleanliness factor into the hot wind of hothouse 2.
The better embodiment of the above, simply the utility model, but the utility model is not limited to above-mentioned reality
Example is applied, as long as it reaches the technique effect of the utility model with any same or similar means, should all fall into the utility model
Within protection domain.
Claims (8)
- A kind of 1. waste-heat recovery device of heat pump drier, it is characterised in that：Include the outdoor steaming for being connected to heat pump drier The heat exchanger (3) of device is sent out, the heat exchanger (3) is internally provided with cold air duct and hot-air channel for carrying out heat exchange, institute The import for stating hot-air channel is provided with induced draft fans (31) for taking damp-heat air away, and near-thermal is leaned in the outlet of the hot-air channel Pump the inlet side of the outdoor evaporator of drying machine；The import of the cold air duct is arranged in the outside of heat pump drier, described cold The outlet of wind passage is towards the inlet side of the indoor condenser of heat pump drier.
- A kind of 2. waste-heat recovery device of heat pump drier according to claim 1, it is characterised in that：The cold air duct The angle of 60 to 90 degree is formed between hot-air channel.
- A kind of 3. waste-heat recovery device of heat pump drier according to claim 2, it is characterised in that：The heat exchanger (3) some parallel heat exchange fins are internally provided with, wind passage is formed between adjacent two heat exchange fins, odd number crosses wind Passage forms cold air duct, the wind passage composition hot-air channel of even number.
- A kind of 4. waste-heat recovery device of heat pump drier according to claim 3, it is characterised in that：The heat exchange fin It is arranged to waveform.
- A kind of 5. waste-heat recovery device of heat pump drier according to claim 2, it is characterised in that：The heat exchanger (3) some heat exchange copper tubes are internally provided with, the heat exchange copper tube is internally formed hot-air channel, the exterior shape of the heat exchange copper tube Into cold air duct.
- A kind of 6. waste-heat recovery device of heat pump drier according to claim 5, it is characterised in that：The heat exchange copper tube It is arranged to multiple rows of, adjacent two rows of heat exchange copper tube interlaced arrangements.
- A kind of 7. waste-heat recovery device of heat pump drier according to claim 5, it is characterised in that：The heat exchange copper tube Helical form is arranged to, the heat exchange copper tube is arranged to multiple rows of and adjacent two rows of heat exchange copper tube interlaced arrangements.
- 8. according to a kind of waste-heat recovery device of any heat pump drier in claim 1-7, it is characterised in that：It is described The import of cold air duct is provided with dedusting guard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721148285.9U CN207317478U (en) | 2017-09-07 | 2017-09-07 | A kind of waste-heat recovery device of heat pump drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721148285.9U CN207317478U (en) | 2017-09-07 | 2017-09-07 | A kind of waste-heat recovery device of heat pump drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207317478U true CN207317478U (en) | 2018-05-04 |
Family
ID=62385895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721148285.9U Expired - Fee Related CN207317478U (en) | 2017-09-07 | 2017-09-07 | A kind of waste-heat recovery device of heat pump drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207317478U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525392A (en) * | 2017-09-07 | 2017-12-29 | 江门市创惠节能科技有限公司 | A kind of waste-heat recovery device of heat pump drier |
-
2017
- 2017-09-07 CN CN201721148285.9U patent/CN207317478U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525392A (en) * | 2017-09-07 | 2017-12-29 | 江门市创惠节能科技有限公司 | A kind of waste-heat recovery device of heat pump drier |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |