CN107202487A - A kind of partial air dehumidifying Analysis of Heat Pump Drying System for high temperature production technology - Google Patents
A kind of partial air dehumidifying Analysis of Heat Pump Drying System for high temperature production technology Download PDFInfo
- Publication number
- CN107202487A CN107202487A CN201710314817.XA CN201710314817A CN107202487A CN 107202487 A CN107202487 A CN 107202487A CN 201710314817 A CN201710314817 A CN 201710314817A CN 107202487 A CN107202487 A CN 107202487A
- Authority
- CN
- China
- Prior art keywords
- air
- hothouse
- heat pump
- drying
- drying system
- 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 67
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000005516 engineering process Methods 0.000 title claims abstract description 15
- 238000004458 analytical method Methods 0.000 title claims description 7
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000007664 blowing Methods 0.000 claims abstract description 4
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000007791 dehumidification Methods 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims description 3
- 230000001172 regenerating effect Effects 0.000 claims description 3
- 238000007605 air drying Methods 0.000 claims 1
- 235000013305 food Nutrition 0.000 abstract description 5
- 230000007115 recruitment Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000001599 direct drying Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/40—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by drying or kilning; Subsequent reconstitution
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N12/00—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
- A23N12/08—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for drying or roasting
-
- 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
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- 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
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- 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
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
-
- 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
Abstract
A kind of partial air removal moisture drying system for high temperature production technology of the invention, overcome shortcoming present in prior art, on the basis of existing production technology and drying plant structure type, construct a kind of new integrated workshop, hothouse is focused on into a production plant area, seamless link of the production flow in either inside is realized.The drying system is applicable to the production processes such as the food with same dried technique and drying plant structure type, medicinal material, has the advantages that to reduce a line recruitment quantity and recruitment labor intensity, saves production cost, improves production efficiency and business efficiency, drying air quantity be big, windage is small in hothouse, energy consumption is low.It is characterized in, air passes through circulating fan from supply air duct, again by entering hothouse by blowing distributor after auxiliary heater, material is dried, hothouse, entering part air dewetting unit are discharged from return air inlet, after being dehumidified by compressor set evaporator, heated, after the humiture for reaching setting, be dried by air-supply passage mouthful into hothouse by source pump condenser again.
Description
Technical field
Dry production technical field the present invention relates to food, fruits and vegetables etc., and in particular to be a kind of to be applied to food, fruit
The Analysis of Heat Pump Drying System of the drying production technology of the products such as vegetable, Chinese medicine, timber, belongs to heat pump drying field.
Background technology
As the continuous increase of China's environmental improvement intensity, environmental consciousness constantly strengthen and country is to industry energy conservation emission reduction
Requirement is increasingly strict and specification, the selection in drying equipment and the popularization to new product are increasingly paid attention to.Mesh
Preceding drying is with coal hot-air miniature boiler because the problems such as low production efficiency, poor, the pollution environment of sanitary condition are required to stop
Only produce.
Heat pump techniques, which are applied to dry field, fairly obvious advantage：The energy is saved, heat pump, its COP is utilized
More than 3-4 can be reached, compared to hot blast direct drying method, energy-saving effect is more than 50%.The temperature of Analysis of Heat Pump Drying System and
The adjustable range of relative humidity is wide, and heat pump drying can be made to be applied to drying for various materials and processed.Made without coal-burning boiler
Into dust, cigarette ash and clinker, it is ensured that workshop and the sanitation and hygiene by desciccate, it is ensured that product quality.According to pushing away
Calculate, heat pump drying equipment can reduce Air Pollutant Emission up to more than 50%.To Resources for construction economizing type and environmentally friendly society
Can be significant.By taking haw flakes manufacture drying process as an example, present disclosure is introduced.The EAT 65 ~ 70 of drying plant
℃.Mountain is realized for a kind of partial air removal moisture drying process system for high temperature production technology of the process design
The production of short, bristly hair or beard cake.
Through retrieval, a kind of haw flakes and sugar heat pump drier and system of application number CN2016101686474 applications are adopted
With the method for full blast amount removal moisture drying, although drying process requirement can be met very well.But, the system is due to desiccant
All air will pass through the dehumidifying and heating of heat pump, when air circulation is larger, considerably increase air circulation system
Resistance, increase the power consumption of blower fan, without very well play heat pump energy-conserving advantage.
The content of the invention
The task of the present invention is to overcome shortcoming present in prior art, in existing production technology and drying plant structure
On the basis of form, a kind of new integrated workshop is constructed, hothouse is focused on into a production plant area, product is realized
Seamless link of the production procedure in either inside.The production technology is applicable to high temperature etc. with same dried with system workshop
The food production of technique and drying plant structure type.With a line recruitment quantity and recruitment labor intensity is reduced, save
Production cost, dries that air quantity is big, the advantage that windage is small, energy consumption is low in hothouse.
The purpose of the present invention is achieved through the following technical solutions：
A kind of partial air dehumidifying Analysis of Heat Pump Drying System for high temperature production technology, including for partial air removal moisture drying
The source pump and partial air removal moisture drying process system of technique.The described heat pump for partial air removal moisture drying technique
Unit includes compressor set, water fender, heat pump condenser group, evaporator with heat pump group, breeze fan, auxiliary heat dissipation blower fan, auxiliary
Radiating condenser and air channel.Described compressor set includes some compressors, for being refrigerant in condenser and evaporator
Between circulation provide power.Air channel includes wind inlet channel and supply air duct.Breeze fan, evaporator with heat pump group, water fender, heat pump
Condenser group is installed in wind inlet channel successively according to the flow direction of air., can when there is unnecessary heat in drying system
To open auxiliary heat dissipation blower fan, outwardly radiated by auxiliary condenser.Auxiliary condenser is in parallel or series in source pump.
The circulation passage of auxiliary condenser radiating air is separated by the sealing of air channel demarcation strip.Evaporator with heat pump is used for cooling air and removed
The moisture gone in air, and the air complementary energy of return air is reclaimed, the effect of energy regenerating is reached, unit efficiency is improved.Heat pump is condensed
The air that device group is used for after heating and dehumidification, reaches its temperature and dries required technological requirement, supply air duct is passed through by pressure fan
Sending into hothouse is used for the drying of material.
Described partial air removal moisture drying process system includes drying process door, heat-preserving wall, circulating fan, auxiliary and added
Hot device, blowing distributor, hothouse and supply air duct.Drying process door includes feeding gate, and discharge door can be according to dried object
The technological requirement of material sets multiple.Circulating fan and auxiliary heater are installed in supply air duct；Supply air duct and hothouse it
Between separated by heat-preserving wall.Hothouse sets exhaust outlet close to charging aperture, is used for partial air removal moisture drying with described respectively
The air inlet of the wind inlet channel of the source pump of technique is tightly connected.The air inlet side of circulating fan sets outdoor air return air
Mouthful, it is tightly connected with the air outlet of the supply air duct of the source pump for partial air removal moisture drying technique.
Brief description of the drawings
Fig. 1 shows for a kind of source pump for high temperature production technology partial air removal moisture drying of the embodiment of the present invention
It is intended to.
Fig. 2 is used for high temperature production technology partial air removal moisture drying system schematic for one kind of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, by specific embodiment, technical scheme is illustrated.
One kind of the embodiment of the present invention be used for high temperature production technology partial air dehumidify Analysis of Heat Pump Drying System, including for
The source pump and partial air removal moisture drying process system of partial air removal moisture drying technique.For partial air removal moisture drying
The source pump of technique, refer to Fig. 1, including wind inlet channel 1, breeze fan 2, evaporator with heat pump group 3, water fender 4, compressor
Group 5, supply air duct 6, heat pump condenser group 7, auxiliary heat dissipation blower fan 8 and auxiliary condenser 9.If described compressor set 5 includes
Dry compressor, power is provided for being circulated for refrigerant between condenser and evaporator.Air channel includes wind inlet channel 1 and sent
Wind air channel 6.Breeze fan 2, evaporator with heat pump group 3, water fender 4, heat pump condenser group 7 are pacified successively according to the flow direction of air
Loaded in wind inlet channel 1.When there is unnecessary heat in drying system, auxiliary heat dissipation blower fan 8 can be opened, by aiding in condensing
Device 9 outwardly radiates.Auxiliary condenser 9 and heat pump condenser group 7 are in parallel or series in source pump.Auxiliary condenser 9 dissipates
The circulation passage of hot-air is separated by the sealing of air channel demarcation strip.Evaporator with heat pump group 3 is used for cooling air and removed in air
Moisture, and reclaim the air complementary energy of return air, reach the effect of energy regenerating, improve unit efficiency.Heat pump condenser group 7 is used for
Air after heating and dehumidification, reaches its temperature and dries required technological requirement, sent into by pressure fan 2 by supply air duct 6 dry
Dry room is used for the drying of material.Wind inlet channel 1 and supply air duct 6 are separated with environment sealing.
Described partial air removal moisture drying process system, refer to Fig. 2, and combine Fig. 1, including drying process door, guarantor
Warm wall 11, blowing distributor 12, auxiliary heater 14, circulating fan 15, hothouse and supply air duct.Drying process door includes
Feeding gate and discharge door, can according to the technological requirement of dried material set it is multiple, the present embodiment with need once in the middle of work
Exemplified by the food drying of skill, there is provided 3：A1 drying processes door 10, A2 drying processes 13 and B1 of door drying processes door 18.A1
Drying process 10 and A2 of door drying processes door 13 is used as the feeding gate of dried material and middle process, the work of B1 drying processes door 18
For the discharge door of dried material and middle process.Auxiliary heater 14 and circulating fan 15 are installed in supply air duct；Air-supply
Separated between air channel and hothouse by heat-preserving wall 11.Hothouse sets exhaust outlet 17 close to charging aperture, is used for portion with described
The air intake of the wind inlet channel 1 of the source pump of air dewetting drying process is divided to be tightly connected.The air inlet side of circulating fan 15
Outdoor air return air inlet 16 is set, with sending for the supply air duct 6 of the source pump for partial air removal moisture drying technique
Air port is tightly connected.Hothouse is separated by heat-preserving wall 11 with the external world, to reduce the radiating to environment of hothouse, improves system
The system thermal efficiency.When the wind pushing temperature of hothouse does not reach dry require, the auxiliary being installed in supply air duct can be opened and added
The hot heating of device 14 air is allowed to warm to required temperature.
Claims (2)
- The Analysis of Heat Pump Drying System 1. a kind of partial air for high temperature production technology dehumidifies, its feature, including it is empty for part The source pump and partial air removal moisture drying system of gas removal moisture drying technique；Described is used for partial air removal moisture drying technique Source pump include compressor set, water fender, heat pump condenser group, evaporator with heat pump group, breeze fan, auxiliary heat dissipation wind Machine, auxiliary heat dissipation condenser and air channel；Described compressor set includes some compressors, for for refrigerant in condenser and Circulation provides power between evaporator；Air channel includes wind inlet channel and supply air duct；Breeze fan, evaporator with heat pump group, dash Plate, heat pump condenser group are installed in wind inlet channel successively according to the flow direction of air；When there is unnecessary heat in drying system During amount, auxiliary heat dissipation blower fan can be opened, is outwardly radiated by auxiliary condenser；Auxiliary condenser is in parallel or series in heat pump In unit；The circulation passage of auxiliary condenser radiating air is separated by the sealing of air channel demarcation strip；Evaporator with heat pump is used to cool down Air simultaneously removes the moisture in air, and reclaims the air complementary energy of return air, reaches the effect of energy regenerating, improves unit efficiency； The air that heat pump condenser group is used for after heating and dehumidification, reaches its temperature and dries required technological requirement, passed through by pressure fan Supply air duct feeding hothouse is used for the drying of material；Described partial air removal moisture drying system includes drying process door, protected Warm wall, circulating fan, auxiliary heater, blowing distributor, hothouse and supply air duct；Drying process door includes feeding gate, Discharge door, can set multiple according to the technological requirement of dried material；Circulating fan and auxiliary heater are installed on air-supply wind In road；Separated between supply air duct and hothouse by heat-preserving wall；Hothouse sets exhaust outlet, circulating fan close to charging aperture Air inlet side set outdoor air return air inlet.
- 2. the partial air removal moisture drying system for high temperature production technology according to claims 1, it is characterized in that, Hothouse constitutes the annular air circulatory system with supply air duct；The exhaust outlet of part dehumidified air drying system is used with described respectively It is tightly connected in the air inlet of the wind inlet channel of the source pump of partial air removal moisture drying technique；Partial air removal moisture drying system Outdoor air return air inlet is set in system, with sending for the supply air duct of the source pump for partial air removal moisture drying technique Air port is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710314817.XA CN107202487A (en) | 2017-05-07 | 2017-05-07 | A kind of partial air dehumidifying Analysis of Heat Pump Drying System for high temperature production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710314817.XA CN107202487A (en) | 2017-05-07 | 2017-05-07 | A kind of partial air dehumidifying Analysis of Heat Pump Drying System for high temperature production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107202487A true CN107202487A (en) | 2017-09-26 |
Family
ID=59905631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710314817.XA Pending CN107202487A (en) | 2017-05-07 | 2017-05-07 | A kind of partial air dehumidifying Analysis of Heat Pump Drying System for high temperature production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107202487A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344293A (en) * | 2018-04-11 | 2018-07-31 | 姜少华 | Temperature and pressure control system and control method for dryer |
| CN110848976A (en) * | 2018-08-21 | 2020-02-28 | 江苏美力格环境科技有限公司 | Dampproofing dehydrating unit of air can water heater controller |
| CN112033097A (en) * | 2020-05-22 | 2020-12-04 | 南京中医药大学 | Side-arranged horizontal-pushing type intelligent heat pump dryer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202885443U (en) * | 2012-08-27 | 2013-04-17 | 河南科技大学 | Nitrogen source heat pump drying unit |
| CN204830701U (en) * | 2015-07-01 | 2015-12-02 | 河南佰衡节能技术有限公司 | Dry tunnel room of dehumidification type heat pump |
| CN105716410A (en) * | 2016-03-23 | 2016-06-29 | 青岛大学 | Haw flake and caked sugar heat pump dryer and drying system |
| CN106556222A (en) * | 2016-12-02 | 2017-04-05 | 上海理工大学 | A kind of mixed-flow Analysis of Heat Pump Drying System |
-
2017
- 2017-05-07 CN CN201710314817.XA patent/CN107202487A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202885443U (en) * | 2012-08-27 | 2013-04-17 | 河南科技大学 | Nitrogen source heat pump drying unit |
| CN204830701U (en) * | 2015-07-01 | 2015-12-02 | 河南佰衡节能技术有限公司 | Dry tunnel room of dehumidification type heat pump |
| CN105716410A (en) * | 2016-03-23 | 2016-06-29 | 青岛大学 | Haw flake and caked sugar heat pump dryer and drying system |
| CN106556222A (en) * | 2016-12-02 | 2017-04-05 | 上海理工大学 | A kind of mixed-flow Analysis of Heat Pump Drying System |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344293A (en) * | 2018-04-11 | 2018-07-31 | 姜少华 | Temperature and pressure control system and control method for dryer |
| CN110848976A (en) * | 2018-08-21 | 2020-02-28 | 江苏美力格环境科技有限公司 | Dampproofing dehydrating unit of air can water heater controller |
| CN112033097A (en) * | 2020-05-22 | 2020-12-04 | 南京中医药大学 | Side-arranged horizontal-pushing type intelligent heat pump dryer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106369959B (en) | A kind of air energy heat pump agricultural product drying device | |
| CN106855353A (en) | Heat pump drying equipment and drying means with dehumidification type Yu hydrofuge type handoff functionality | |
| CN107830705A (en) | A kind of novel high-efficiency and energy-saving heat pump double back heated drying system | |
| CN205843311U (en) | A kind of Novel multifunctional heat pump drying all-in-one | |
| CN206771801U (en) | A kind of dehumidifying drying heat pump set system | |
| CN207231092U (en) | A kind of multifunctional heat pump drying device | |
| CN106196913A (en) | Double source enclosed efficient energy-saving drying system | |
| CN107202487A (en) | A kind of partial air dehumidifying Analysis of Heat Pump Drying System for high temperature production technology | |
| CN107101471A (en) | A kind of air-source integral type drying dehumidifier and system | |
| CN207163099U (en) | A kind of special air energy drying system of sophora bud | |
| CN202350444U (en) | Novel superconducting heat pump drying box | |
| CN104279853B (en) | A kind of air-source fluorine pump type dries dehumidifier all-in-one and drying system thereof | |
| CN109269245A (en) | A kind of full environment-friendly type saving energy at normal temperature drying shed of photovoltaic energy | |
| CN107246767A (en) | A kind of partial air removal moisture drying Split hot pump drying system | |
| CN104621251A (en) | Heat pump grain dryer capable of recycling waste heat | |
| CN104329930A (en) | Heat pump drying dehumidifier | |
| CN206989605U (en) | Integral type high temperature drying dehumidification machine | |
| CN204240769U (en) | A kind of heat pump drying dehumidifier | |
| CN207280152U (en) | A kind of partial air dehumidifying Analysis of Heat Pump Drying System for high temperature production technology | |
| CN202853261U (en) | Chinese herbal medicine drying device | |
| CN204202351U (en) | A kind of air-source fluorine pump type dries dehumidifier all-in-one and drying system thereof | |
| CN107202488A (en) | A kind of partial air dehumidifying Analysis of Heat Pump Drying System | |
| CN203518500U (en) | Dehumidification heat pump type grain drying machine | |
| CN209415908U (en) | A kind of combined heat pump dehumidifying integrated machine of the dual heat recovery function of band | |
| CN206001814U (en) | Double source closed recovery drying system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170926 |
|
| RJ01 | Rejection of invention patent application after publication |