CN207991106U - A kind of negative pressure dryer - Google Patents
A kind of negative pressure dryer Download PDFInfo
- Publication number
- CN207991106U CN207991106U CN201721357366.XU CN201721357366U CN207991106U CN 207991106 U CN207991106 U CN 207991106U CN 201721357366 U CN201721357366 U CN 201721357366U CN 207991106 U CN207991106 U CN 207991106U
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- drying
- dryer according
- vacuum pump
- shell
- 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
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000001035 drying Methods 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 16
- 238000007791 dehumidification Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 230000008016 vaporization Effects 0.000 claims 3
- 238000009835 boiling Methods 0.000 claims 2
- 238000009834 vaporization Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 1
- 239000011810 insulating material Substances 0.000 claims 1
- 239000011707 mineral Substances 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 239000004753 textile Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000036760 body temperature Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a kind of system of the quick heating, drying material of creation subnormal ambient, including:Metal shell, heater, exhaust outlet, drying frame, into and out of material mouth external door, filter, discharge duct, dehumidification device, vacuum pump, excess pressure valve, hygrometer.The negative pressure drying system, the shortcomings that negative pressure technique is applied in drying system, big traditional dryer system heat consumption, narrow application range are improved, accelerates the speed and efficiency of material drying, suitable for the drying of various materials product, it is suitable for a variety of external climate environment.
Description
Technical field
The utility model is related to a kind of drying systems, more particularly to a kind of to create subnormal ambient quickly heating, drying object
The system of material.
Background technology
The utility model is related to vacuum pump technology, heater device such as microwave applicator, closed metal shell, thermal insulation
The technologies such as coating, excess pressure valve are all highly developed, it is only necessary to combine it, type selection calculation.
Utility model content
The problems such as that there are heat consumptions is big for conventional clothes dryer, and efficiency is low, narrow application range.The utility model introduces negative pressure baking
Dry method provides a kind of system that can create the quick heating, drying material of subnormal ambient, improves traditional dryer
Disadvantage accelerates the speed and efficiency of material drying, and this system is suitable for each external climate environment, and various materials are fitted
With in extensive range.
The utility model is a kind of system that can create the quick heating, drying material of subnormal ambient, including:Metal shell,
Heater, exhaust outlet, drying frame, into and out of material mouth external door, filter, discharge duct, dehumidification device, vacuum pump, excess pressure valve, wet
Degree meter;The drying course of the dryer includes, it would be desirable to which the material of drying into and out of material mouth external door by being sent into metal shell
In, it dries on drying frame, closes into and out of material mouth external door, so that metal shell is entered sealing state, later on vacuum pump will
Air is excluded by exhaust outlet, discharge duct in shell, while heater, is evenly heated the material for needing to be oven-dried, shell
Internal vacuum degree reaches -0.09Mpa(If atmospheric pressure is 0.1MPa)When, heater rapidly makes shell body temperature reach 45.8
DEG C so that the rapid explosive evaporation of moisture;When reaching 0.01Mpa inside metal shell, shell inside and outside differential pressure opens excess pressure valve,
Outdoor air is sent into shell, pressure increases in shell, and pressure difference is insufficient, and excess pressure valve is closed;Again into the air in shell
By the swabbing action of vacuum pump, it is discharged along discharge duct entrainment of vapor, air pressure reduction, excess pressure valve are again turned in shell,
Process before cycle;Back and forth several times after, the vapor in shell is all pulled away;It checks hygrometer, is closed after the completion of drying
Vacuum pump and heater, by material by being sent out into and out of material mouth external door.
Microwave applicator can be selected in the heater, and rated temperature can be 45.8 DEG C a little higher than, and actual temp can be according to locality
Atmospheric pressure determines.
The metal shell has good seal into and out of material mouth external door, excess pressure valve, ensure that the effect of negative pressure;And
It should be coated with adiabatic edge coating in inner wall, prevent heater heat loss.
The excess pressure valve inside and outside differential pressure≤(Atmospheric pressure -0.01Mpa)Shi Kaiqi,<(Atmospheric pressure -0.01Mpa)When close.
Description of the drawings
Fig. 1 is a kind of schematic diagram for the system that can create the quick heating, drying material of subnormal ambient of the utility model.
Wherein, 1, metal shell;2, heater;3, exhaust outlet;4, drying frame;5, into and out of material mouth external door;6, filter;
7, discharge duct;8, dehumidification device;9, vacuum pump;10, excess pressure valve;11, hygrometer.
Specific implementation mode
The utility model is described further with reference to Fig. 1.
As shown in Figure 1, a kind of system that can create the quick heating, drying material of subnormal ambient, including:Metal shell 1,
Heater 2, exhaust outlet 3, drying frame 4, into and out of material mouth external door 5, filter 6, discharge duct 7, dehumidification device 8, vacuum pump 9, remaining
Pressure valve 10, hygrometer 11;The drying course of the dryer includes, it would be desirable to which the material of drying is by into and out of material mouth external door 5
It is sent into metal shell 1, dries on drying frame 4, close into and out of material mouth external door 5, metal shell is made to enter sealing state, with
Vacuum pump 9 is opened afterwards, air in shell is excluded, while heater 2 by exhaust outlet 3, discharge duct 7, is evenly heated
Need the material being oven-dried, when vacuum degree reaches -0.09Mpa in shell, heater 2 rapidly reaches shell body temperature
45.8 DEG C so that the rapid explosive evaporation of moisture;When reaching 0.01Mpa inside metal shell 1, shell inside and outside differential pressure is by excess pressure valve
10 open, and outdoor air is sent into shell, and pressure increases in shell, and pressure difference is insufficient, and excess pressure valve 10 is closed;Into in shell
Air again by the swabbing action of vacuum pump 9, be discharged along discharge duct 7 entrainment of vapor, along shell air pressure reduce, excess pressure valve
10 are again turned on, the process before recycling;Back and forth several times after, the vapor in shell is all pulled away;It checks hygrometer 11, dries
Vacuum pump 9 and heater 2 are closed after the completion of dry, by material by being sent out into and out of material mouth external door 5.
Microwave applicator can be selected in the heater 2, and rated temperature can be 45.8 DEG C a little higher than, and actual temp is according to locality
Atmospheric pressure determines.
The metal shell 1 has good seal into and out of material mouth external door 5, excess pressure valve 10, ensure that the effect of negative pressure
Fruit;And it should be coated with adiabatic edge coating in inner wall, prevent heater heat loss.
The excess pressure valve 10 inside and outside differential pressure≤(Atmospheric pressure -0.01Mpa)Shi Kaiqi,<(Atmospheric pressure -0.01Mpa)Shi Guan
It closes.
Claims (11)
1. a kind of negative pressure dryer, which is characterized in that including:Metal shell, microwave applicator, suction, exhaust outlet, drying frame, into,
Discharge port external door, filter, discharge duct, dehumidification device, vacuum pump, excess pressure valve, hygrometer;Microwave applicator is placed on metal
Among enclosure interior bottom side, drying frame is uniformly placed on its surrounding;Exhaust outlet is disposed therein on the inner wall of side, by discharge duct
It is connected to outside metal shell;Filter, dehumidification device, vacuum pump are sequentially connected on pipeline from the inside to the outside;It is filled in inner wall side
There is excess pressure valve;The other side of inner wall is equipped with hygrometer and into and out of material mouth.
2. a kind of negative pressure dryer according to claim 1, which is characterized in that system integral outer is a metal-back
Body, shell has good seal to ensure vacuum effect, and inner wall has heat-insulating material coating, prevents heater heat by wall
It faces out lost.
3. a kind of negative pressure dryer according to claim 1, which is characterized in that reduce enclosure interior gas using vacuum pump
Pressure makes the boiling point of moisture reduce, to reduce the heat needed for the boiling of water;It is quickly taken out in vacuum pump pumping process simultaneously
Go out the steam of vaporization, and forms negative pressure state around material, shape between the ectonexine of material and between surface and surrounding medium
At larger temperature gradient, vaporization rate is accelerated, has reached quick-drying purpose.
4. a kind of negative pressure dryer according to claim 1, which is characterized in that set specified vacuum degree as -0.09MPa,
The saturation temperature of water is 45.8 DEG C at this time;It is determined with specific reference to local outside atmosphere pressure value.
5. a kind of negative pressure dryer according to claim 1, which is characterized in that achieve the effect that fast vaporizing, heat
Device uses microwave applicator, can effectively reduce drying time, efficient;Rated temperature is set as 45.8 DEG C, with specific reference to locality
Atmospheric pressure determines.
6. a kind of negative pressure dryer according to claim 1, which is characterized in that be connected to filter on discharge duct.
7. a kind of negative pressure dryer according to claim 1, which is characterized in that be connected to dehumidification device on discharge duct.
8. a kind of negative pressure dryer according to claim 1, which is characterized in that into and out of material mouth external door, should have good close
Feng Xing, inner wall should also be coated with adiabatic edge material coating, prevent heat to scatter and disappear outward, influence drying efficiency.
9. a kind of negative pressure dryer according to claim 1, which is characterized in that be provided with overbottom pressure in the side of internal face
Valve, excess pressure valve should have good leakproofness when closing, and inner wall should have adiabatic edge material coating, and heat is prevented to scatter and disappear outward;Add
In thermal process, when enclosure interior atmospheric pressure value reaches nominal pressure 0.01Mpa, inside and outside differential pressure makes excess pressure valve open, extraneous air into
Enter shell, under the swabbing action of vacuum pump, air current composition has taken away the vapor of enclosure interior;After pressure difference reduces, excess pressure valve
It closes, vacuum pump works on heater, and when pressure difference reaches rated value again, excess pressure valve is again turned on, and takes away vapor, is followed
Ring is reciprocal, until when excess pressure valve is closed, hygrometer shows that humidity is up to standard in shell, dry complete, closes system, takes out drying
Material.
10. a kind of negative pressure dryer according to claim 1, which is characterized in that the excess pressure valve inside and outside differential pressure≤
It is opened when 0.01Mpa,<It is closed when 0.01Mpa, the air introduced from excess pressure valve carries vapor quilt secretly under vacuum pump swabbing action
Shell is discharged.
11. a kind of negative pressure dryer according to claim 1, which is characterized in that for dry material such as textile, grain
Food, mineral, use scope are extensive.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721357366.XU CN207991106U (en) | 2017-10-20 | 2017-10-20 | A kind of negative pressure dryer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721357366.XU CN207991106U (en) | 2017-10-20 | 2017-10-20 | A kind of negative pressure dryer |
Publications (1)
Publication Number | Publication Date |
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CN207991106U true CN207991106U (en) | 2018-10-19 |
Family
ID=63803532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721357366.XU Expired - Fee Related CN207991106U (en) | 2017-10-20 | 2017-10-20 | A kind of negative pressure dryer |
Country Status (1)
Country | Link |
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CN (1) | CN207991106U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109647777A (en) * | 2018-12-31 | 2019-04-19 | 无锡新弘田环保技术有限公司 | A kind of combined precision cleaning process |
CN110500852A (en) * | 2019-07-31 | 2019-11-26 | 卫鸿婧 | Curing means is used in a kind of maintenance of communication apparatus |
-
2017
- 2017-10-20 CN CN201721357366.XU patent/CN207991106U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109647777A (en) * | 2018-12-31 | 2019-04-19 | 无锡新弘田环保技术有限公司 | A kind of combined precision cleaning process |
CN109647777B (en) * | 2018-12-31 | 2021-08-10 | 无锡新弘田环保技术有限公司 | Composite precise cleaning process |
CN110500852A (en) * | 2019-07-31 | 2019-11-26 | 卫鸿婧 | Curing means is used in a kind of maintenance of communication apparatus |
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Legal Events
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: 20181019 |