CN110207472A - A kind of vacuum high efficiency drying device - Google Patents
A kind of vacuum high efficiency drying device Download PDFInfo
- Publication number
- CN110207472A CN110207472A CN201910552459.5A CN201910552459A CN110207472A CN 110207472 A CN110207472 A CN 110207472A CN 201910552459 A CN201910552459 A CN 201910552459A CN 110207472 A CN110207472 A CN 110207472A
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- Prior art keywords
- vacuum
- drying device
- vortex tube
- chamber
- tube group
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Classifications
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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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/02—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect
- F25B9/04—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect using vortex effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
- F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
- F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Microbiology (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention relates to a kind of vacuum high efficiency drying devices, it includes compressor, condenser, drying device, vortex tube group, vacuum chamber, the gas outlet of the condenser is connected to the air inlet of compressor, the vortex tube group is made of one or more vortex tubes in parallel, the air inlet of vortex tube group is communicated with the exhaust outlet of compressor, the cold end exhaust pipe of the vortex tube group is communicated with condenser, the hot end exhaust pipe of the vortex tube is connected to drying device, the vacuum chamber is equipped with vacuum pump, the vacuum pump is connected to condensation chamber, the vacuum chamber is connected to by condensation chamber and vacuum pump with drying device；Total, the present invention has rational design, has the advantages that drying moisture content is low, drying efficiency is high, energy-efficient.
Description
Technical field
The invention belongs to drying equipment fields, and in particular to a kind of vacuum high efficiency drying device.
Background technique
Drying equipment is very widely used in daily life and industrial production, and current dryer needs when in use
A large amount of thermal energy is expended, the thermal energy carried out after drying work to material can not be reused or be recycled, and cause the energy larger
Waste so that drying cost is also relatively high；Therefore need to provide that a kind of drying moisture content is low, drying efficiency is high, energy-efficient
Vacuum high efficiency drying device.
Summary of the invention
It is efficient the purpose of the invention is to provide the vacuum that a kind of drying moisture content is low, drying efficiency is high, energy-efficient
Drying unit.
The object of the present invention is achieved like this: a kind of vacuum high efficiency drying device, it includes compressor, condenser, does
Dry device, vortex tube group, vacuum chamber, the condenser are made of condensation chamber and heat exchanging chamber, the gas outlet of the condenser
It is connected to the air inlet of compressor, the air inlet of the drying device is connected to the gas outlet of condenser, the vortex tube
Group is made of one or more vortex tubes in parallel, and the air inlet of vortex tube group is communicated with the exhaust outlet of compressor, institute
The cold end exhaust pipe for the vortex tube group stated is communicated with condenser, and the hot end exhaust pipe of the vortex tube is connected to drying device,
The vacuum chamber is made of the cavity sealed, and the vacuum chamber is equipped with vacuum pump, and the vacuum pump is connected to condensation chamber,
The vacuum chamber is connected to by condensation chamber and vacuum pump with drying device.
The vacuum chamber is pumped by frequency conversion screw or the sealing of other rotor configurations is communicated with feed cavity, the vacuum
Room is communicated with discharging bin by vacuum dish valves or the sealing of other rotor configurations.
It is equipped between the feed cavity and drying device and is connected to blower, the gas outlet of feed cavity and the air inlet of condensation chamber
It is bridged by vacuum pump.
Be equipped with stirring transport device in the vacuum chamber, the vacuum chamber feed end and vortex tube group hot end export into
Row heat exchange.
The condensation chamber inlet and outlet carries out heat exchange, the condensation chamber and feed cavity between heat exchanging chamber respectively
Gas outlet connection, condensation chamber are connected with vacuum pump, and condensation chamber is connected to drying device.
The compressor is set as that frequency conversion is adjustable, and the air inlet of compressor is connected by heat exchanging chamber with condensation chamber.
Manometric module, temperature measurement component, hygrometric component are equipped in the vacuum chamber, manometric module and vacuum pump communicate to connect,
At least one communication connection of temperature measurement component, hygrometric component and compressor and vortex tube group.
Be correspondingly arranged on aperture control valve on the hot end exhaust pipe of the vortex tube group, vortex tube group cold end exhaust pipe with
One or more vortex tube groups one is set between condenser, and the hot end of vortex tube group one and condenser carry out heat exchange, vortex
The hot end air-flow of Guan Zuyi is connected to drier, and the end air flow of vortex tube group one is connected to by evaporator with condenser.
Internal heating is carried out to material equipped with microwave launcher in the cavity of the vacuum chamber and microwave is faced upward device processed and prevented
Only microwave from leakage.
The microwave launcher is divided into three dry sections according to conveying direction, is successively that microwave is evenly heated area, microwave
Freeze-day with constant temperature area and microwave rapid draing area, the microwave output power density along three dry sections of conveying direction are successively decreased.
Beneficial effects of the present invention: the high pressure gas that vortex tube group provides compressor forms hot end air-flow and cold end gas
Stream after end air flow passes through vortex tube group one, forms low-temperature airflow by evaporator absorption external environment heat and enters condenser
In, the hot end air-flow that vortex tube group one is formed enters drying device and enters in circulation, and hot end air-flow removes water by drying device
Enter feed cavity after point, material is tentatively heated, and take away the water vapour generated in feed cavity, is passed through from feed cavity gas outlet
Entering in condenser after vacuum pump decompression and recycles heat, the cryogenic gas in heat exchanger enters compressor entrance and recycles next time,
Gas absorbs steam and puts after thermogenetic heat by entering in feed cavity after drying device and blower in condensation chamber；Vortex tube group
At runtime, due to the friction of high pressure gas, the temperature for being vortexed tube wall is increased, the heat transfer on tube wall will be vortexed to vacuum
Moisture in material in vacuum chamber is carried out heating evaporation by interior, and under the low-pressure state under vacuum pumping action, lower temperature is just
The moisture rapid evaporation in material, vacuum pump and condensation chamber cooperation can be made the steam extraction in vacuum chamber and recovered steam condenses
The heat generated in the process, the gas with heat are entered in feed cavity by drying device and blower, and the present invention is low using vacuum
Warm mode dries material, can carry out efficiently adequately drying, and the gas that drying uses to material under low-temperature condition
Body constantly carries out condensation heating circulation, is passed through in discharging chamber, passes through by drying device by a part of end air flow of vortex tube
The air-flow of discharging bin forms a circulation by condenser, and the end air flow that vortex tube group is formed passes through one or more vortex tube groups
After one, end air flow temperature decreases below environment temperature, can absorb environment temperature by evaporator, use microwave launcher
The drying rate that can accelerate material, the moisture content after substantially reducing drying materials, so that capacity usage ratio is very high；Total, this
Invention design rationally, has the advantages that drying moisture content is low, drying efficiency is high, energy-efficient.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of composting classification integration apparatus of the present invention.
In figure: 1, compressor 2, vortex tube group 3, feed cavity 4, vacuum chamber 5, vacuum pump 6, condensation chamber 7,
Heat exchanging chamber 8, drying device 9, blower 10, cold end exhaust pipe 11, hot end exhaust pipe 12, vortex tube group one.
Specific embodiment
Following further describes the present invention with reference to the drawings.
Embodiment 1
As shown in Figure 1, a kind of vacuum high efficiency drying device, it include compressor 1, condenser, drying device 8, vortex tube group 2,
Vacuum chamber 4, the condenser are made of condensation chamber 6 and heat exchanging chamber 7, the gas outlet of the condenser and compressor 1 into
Port connection, the air inlet of the drying device 8 and the outlet of condenser, the vortex tube group 2 is by one or more
The vortex tube of a parallel connection forms, and the air inlet of the vortex tube group 2 is communicated with the exhaust outlet of compressor 1, the vortex tube
The cold end exhaust pipe 10 of group 2 is communicated with condenser, and the hot end exhaust pipe 11 of the vortex tube group 2 is connected to drying device 8, institute
The vacuum chamber 4 stated is made of the cavity sealed, and the vacuum chamber 4 is equipped with vacuum pump 5, and the vacuum pump 5 and condensation chamber 6 connect
Logical, the vacuum chamber 4 is connected to by condensation chamber 6 and vacuum pump 5 with drying device 8.
The present invention forms hot end air-flow and end air flow, cold end gas using the high pressure gas that vortex tube group provides compressor
Stream is entered in condenser by after vortex tube group one, forming low-temperature airflow by evaporator absorption external environment heat, vortex tube
The hot end air-flow that group one is formed enters drying device and enters in circulation, hot end air-flow enter after drying device removes moisture into
Expect chamber, material is tentatively heated, and take away the water vapour generated in feed cavity, is depressured from feed cavity gas outlet through vacuum pump
Enter in condenser afterwards and recycle heat, the cryogenic gas in heat exchanger enters compressor entrance and recycles next time, gas in condensation chamber
Body absorbs steam and puts after thermogenetic heat by entering in feed cavity after drying device and blower；Vortex tube group at runtime,
Due to the friction of high pressure gas, the temperature for being vortexed tube wall is increased, will be vortexed in the heat transfer to vacuum chamber on tube wall, it will be true
Moisture in empty room in material carries out heating evaporation, and under the low-pressure state under vacuum pumping action, lower temperature can make material
In moisture rapid evaporation, vacuum pump and condensation chamber cooperation by vacuum chamber steam extraction and recovered steam condensation process in produce
Raw heat, the gas with heat are entered in feed cavity by drying device and blower, and the present invention uses vacuum and low temperature mode pair
Material is dried, and can carry out efficiently adequately drying to material under low-temperature condition, and the gas that uses of drying constantly into
Row condensation heating circulation is passed through in discharging chamber, through discharging bin by drying device by a part of end air flow of vortex tube
Air-flow forms a circulation by condenser, and the end air flow that vortex tube group is formed is cold after one or more vortex tube groups one
End gas flow temperature decreases below environment temperature, can absorb environment temperature by evaporator, can be accelerated using microwave launcher
The drying rate of material, the moisture content after substantially reducing drying materials, so that capacity usage ratio is very high；Total, the present invention is set
Meter rationally, has the advantages that drying moisture content is low, drying efficiency is high, energy-efficient.
Embodiment 2
As shown in Figure 1, a kind of vacuum high efficiency drying device, it include compressor 1, condenser, drying device 8, vortex tube group 2,
Vacuum chamber 4, the condenser are made of condensation chamber 6 and heat exchanging chamber 7, the gas outlet of the condenser and compressor 1 into
Port connection, the air inlet of the drying device 8 and the outlet of condenser, the vortex tube group 2 is by one or more
The vortex tube of a parallel connection forms, and the air inlet of the vortex tube group 2 is communicated with the exhaust outlet of compressor 1, the vortex tube
The cold end exhaust pipe 10 of group 2 is communicated with condenser, and the hot end exhaust pipe 11 of the vortex tube group 2 is connected to drying device 8, institute
The vacuum chamber 4 stated is made of the cavity sealed, and the vacuum chamber 4 is equipped with vacuum pump 5, and the vacuum pump 5 and condensation chamber 6 connect
Logical, the vacuum chamber 4 is connected to by condensation chamber 6 and vacuum pump 5 with drying device 8.
The vacuum chamber 4 is pumped by frequency conversion screw or the sealing of other rotor configurations is communicated with feed cavity 3, and described is true
Empty room 4 is communicated with discharging bin by vacuum dish valves or the sealing of other rotor configurations.
Be equipped between the feed cavity 3 and drying device 8 and be connected to blower 9, the gas outlet of feed cavity 3 and solidifying chamber 6 into
Port is bridged by vacuum pump.
Stirring transport device is equipped in the vacuum chamber 4,4 feed end of vacuum chamber goes out with 2 hot end of vortex tube group
Mouth carries out heat exchange.
6 inlet and outlet of condensation chamber carries out heat exchange between heat exchanging chamber 7 respectively, the condensation chamber 6 with into
Expect the connection of 3 gas outlet of chamber, condensation chamber 6 is connected with vacuum pump 5, and condensation chamber 6 is connected to drying device 8.
The compressor 1 is set as that frequency conversion is adjustable, and the air inlet of compressor 1 is connected by heat exchanging chamber 7 with condensation chamber 6.
Manometric module, temperature measurement component, hygrometric component, manometric module and 12 communication link of vacuum pump are equipped in the vacuum chamber 4
It connects, at least one communication connection of temperature measurement component, hygrometric component and compressor 1 and vortex tube group 2.
It is correspondingly arranged on aperture control valve on the hot end exhaust pipe 11 of the vortex tube group 2, is vented in 2 cold end of vortex tube group
One or more vortex tube groups 1 is set between pipe 10 and condenser, and the hot end of vortex tube group 1 and condenser carry out heat
Exchange, the hot end air-flow of vortex tube group 1 is connected to drier 8, the end air flow of vortex tube group 1 pass through evaporator with it is cold
Condenser connection.
Internal heating is carried out to material equipped with microwave launcher in the cavity of the vacuum chamber 4 and microwave is faced upward device processed and prevented
Only microwave from leakage.
The microwave launcher is divided into three dry sections according to conveying direction, is successively that microwave is evenly heated area, microwave
Freeze-day with constant temperature area and microwave rapid draing area, the microwave output power density along three dry sections of conveying direction are successively decreased.
Preferably, heat exchanging chamber 7 and vacuum chamber 4 carry out heat exchange；
Preferably, feed cavity 3 is equipped with stirring transport device；
Preferably, the heat source that vacuum chamber 4 carries out heat exchange could also be from heat pump system or external heating method or the sun
It can collecting system.
Preferably, vacuum pump 12 is pumped using frequency conversion screw, avoids vapour corrosion；
The present invention forms hot end air-flow and end air flow using the high pressure gas that vortex tube group provides compressor, and end air flow is logical
After crossing vortex tube group one, forms low-temperature airflow and enter in condenser by evaporator absorption external environment heat, vortex tube group one
The hot end air-flow of formation enters drying device and enters in circulation, and hot end air-flow enters charging after drying device removes moisture
Chamber tentatively heats material, and takes away the water vapour generated in feed cavity, from feed cavity gas outlet after vacuum pump is depressured
Into heat is recycled in condenser, the cryogenic gas in heat exchanger enters compressor entrance and recycles next time, gas in condensation chamber
Steam is absorbed to put after thermogenetic heat by entering in feed cavity after drying device and blower；Vortex tube group at runtime, by
In the friction of high pressure gas, the temperature for being vortexed tube wall is increased, will be vortexed in the heat transfer to vacuum chamber on tube wall, by vacuum
Moisture in indoor material carries out heating evaporation, and under the low-pressure state under vacuum pumping action, lower temperature can make in material
Moisture rapid evaporation, vacuum pump and condensation chamber cooperation by vacuum chamber steam extraction and recovered steam condensation process in generate
Heat, the gas with heat entered in feed cavity by drying device and blower, and the present invention is using vacuum and low temperature mode to object
Material is dried, and can carry out efficiently adequately drying to material, and the gas that drying uses constantly carries out under low-temperature condition
Condensation heating circulation is passed through in discharging chamber by a part of end air flow of vortex tube by drying device, the gas through discharging bin
Stream forms a circulation by condenser, and the end air flow that vortex tube group is formed is after one or more vortex tube groups one, cold end
Gas flow temperature decreases below environment temperature, can absorb environment temperature by evaporator, can accelerate object using microwave launcher
The drying rate of material, the moisture content after substantially reducing drying materials, so that capacity usage ratio is very high；Total, present invention design
Rationally, have the advantages that drying moisture content is low, drying efficiency is high, energy-efficient.
Claims (10)
1. a kind of vacuum high efficiency drying device, it includes compressor, condenser, drying device, vortex tube group, vacuum chamber, spy
Sign is: the condenser is made of condensation chamber and heat exchanging chamber, the gas outlet of the condenser and the air inlet of compressor
Connection, the air inlet of the drying device be connected to the gas outlet of condenser, the vortex tube group by one or more simultaneously
The vortex tube of connection forms, and the air inlet of vortex tube group is communicated with the exhaust outlet of compressor, the vortex tube group it is cold
End exhaust pipe is communicated with condenser, and the hot end exhaust pipe of the vortex tube is connected to drying device, and the vacuum chamber is by close
The cavity of envelope forms, and the vacuum chamber is equipped with vacuum pump, and the vacuum pump is connected to condensation chamber, and the vacuum chamber passes through
Condensation chamber and vacuum pump are connected to drying device.
2. a kind of vacuum high efficiency drying device as described in claim 1, it is characterised in that: the vacuum chamber passes through frequency conversion spiral shell
Perhaps the sealing of other rotor configurations is communicated with the feed cavity vacuum chamber by vacuum dish valves or other rotor configurations to bar pump
Sealing is communicated with discharging bin.
3. a kind of vacuum high efficiency drying device as claimed in claim 2, it is characterised in that: the feed cavity and drying device
Between be equipped with connection blower, the air inlet of the gas outlet of feed cavity and condensation chamber passes through vacuum pump bridge joint.
4. a kind of vacuum high efficiency drying device as described in claim 1, it is characterised in that: be equipped with stirring in the vacuum chamber
Transport device, the vacuum chamber feed end and the outlet of vortex tube group hot end carry out heat exchange.
5. a kind of vacuum high efficiency drying device as described in claim 1, it is characterised in that: the condensation chamber inlet and outlet
Heat exchange is carried out between heat exchanging chamber respectively, the condensation chamber is connected to feed cavity gas outlet, and condensation chamber is connected with vacuum pump
Logical, condensation chamber is connected to drying device.
6. a kind of vacuum high efficiency drying device as described in claim 1, it is characterised in that: the compressor is set as frequency conversion
Adjustable, the air inlet of compressor is connected by heat exchanging chamber with condensation chamber.
7. a kind of vacuum high efficiency drying device as described in claim 1, it is characterised in that: be equipped in the vacuum chamber and survey pressure
Component, temperature measurement component, hygrometric component, manometric module and vacuum pump communicate to connect, temperature measurement component, hygrometric component and compressor and whirlpool
At least one communication connection of flow tube group.
8. a kind of vacuum high efficiency drying device as described in claim 1, it is characterised in that: arrange in the hot end of the vortex tube group
It is correspondingly arranged on aperture control valve on tracheae, one or more whirlpools is set between vortex tube group cold end exhaust pipe and condenser
Flow tube group one, the hot end of vortex tube group one and condenser carry out heat exchange, and the hot end air-flow of vortex tube group one is connected to drier,
The end air flow of vortex tube group one is connected to by evaporator with condenser.
9. a kind of vacuum high efficiency drying device of any one as shown in claim 1 to 8, it is characterised in that: the vacuum
It is equipped with microwave launcher in the cavity of room the internal heating of material progress and microwave are faced upward device processed and prevent microwave from leakage.
10. microwave launcher as claimed in claim 9, it is characterised in that: the microwave launcher is according to conveying side
It is successively that microwave is evenly heated area, microwave constent temperature dry section and microwave rapid draing area, along conveying side to three dry sections are divided into
Successively decrease to the microwave output power density of three dry sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552459.5A CN110207472A (en) | 2019-06-25 | 2019-06-25 | A kind of vacuum high efficiency drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552459.5A CN110207472A (en) | 2019-06-25 | 2019-06-25 | A kind of vacuum high efficiency drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110207472A true CN110207472A (en) | 2019-09-06 |
Family
ID=67794486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910552459.5A Withdrawn CN110207472A (en) | 2019-06-25 | 2019-06-25 | A kind of vacuum high efficiency drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110207472A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342599A (en) * | 2022-08-18 | 2022-11-15 | 中国矿业大学 | Low-temperature heat drying and freeze drying combined system and method |
-
2019
- 2019-06-25 CN CN201910552459.5A patent/CN110207472A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342599A (en) * | 2022-08-18 | 2022-11-15 | 中国矿业大学 | Low-temperature heat drying and freeze drying combined system and method |
| CN115342599B (en) * | 2022-08-18 | 2024-04-19 | 中国矿业大学 | Low-temperature heat drying and freeze drying combined system and method |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190906 |
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| WW01 | Invention patent application withdrawn after publication |