CN102997622A - Infrared vacuum dryer - Google Patents
Infrared vacuum dryer Download PDFInfo
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- CN102997622A CN102997622A CN2012104640421A CN201210464042A CN102997622A CN 102997622 A CN102997622 A CN 102997622A CN 2012104640421 A CN2012104640421 A CN 2012104640421A CN 201210464042 A CN201210464042 A CN 201210464042A CN 102997622 A CN102997622 A CN 102997622A
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- infrared
- drying
- box
- infrared radiation
- radiation system
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Abstract
The invention discloses an infrared vacuum dryer. The infrared vacuum dryer comprises a drying box (1), wherein a plurality of infrared radiation drying layers are distributed in the drying box (1), each infrared radiation drying layer comprises an infrared radiation system (2) and an object placing box (3), and in each infrared radiation drying layer, the infrared radiation system (2) is positioned at the upper part, the object placing box (3) is positioned at the lower part, and the infrared radiation system (2) and the object placing box (3) are opposite; and a vacuum pump (4) is arranged outside the drying box (1), and a vacuum pumping pipe (5) of the vacuum pump (4) is communicated with the drying box (1). The infrared vacuum dryer disclosed by the invention can improve heat transfer efficiency and realize fast heating speed.
Description
Technical field
The present invention relates to a kind of infrared ray vacuum desiccator.
Background technology
At present vacuum drying chamber mainly adopts the method for steam pipe heating and electrothermal tube heating, and its principle of heating mainly is to rely on heat exchange pattern, under vacuum state, owing to do not have air as passing to medium, conducts heat slowly, efficient is low.
Summary of the invention
The invention provides a kind of infrared ray vacuum desiccator, it can improve heat transfer efficiency, and firing rate is fast.
The present invention has adopted following technical scheme: a kind of infrared ray vacuum desiccator, it comprises drying box, in drying box, be distributed with some layers infrared radiation drying layer, every layer infrared radiation drying layer comprises infra-red radiation system and box, the infra-red radiation system is positioned at the top, and box is positioned at the below, and the infra-red radiation system is relative with box, outside drying box, be provided with vavuum pump, be connected in the vacuum-pumping tube of vavuum pump and the drying box.
Described infra-red radiation system is set to infrared radiator.
The present invention has following beneficial effect: in the infrared drying of the present invention, because the continuous evaporation endothermic of surface moisture in the material that is dried, material surface temperature is reduced, cause material internal temperature specific surface temperature high, make like this thermal diffusion direction of material by outward interior.Simultaneously, owing to existing the gradation of moisture to cause that moisture moves in the material, always spread to the less outside of moisture by the more inside of moisture.So, the wet diffusion of material internal moisture is consistent with the thermal diffusion direction, thereby also just accelerated the process of moisture diffusion, also namely accelerated dry process, it is by reducing pressure that the present invention has also adopted vacuum drying chamber, thereby reduce the boiling point of water, accelerate vaporization rate, reach quick-drying purpose.The present invention is combined infrared drying with vavuum pump, therefore will vacuumize in the vacuum drying chamber, and therefore under vacuum state, heat transfer efficiency is high, and speed is fast.
Description of drawings
Fig. 1 is structural representation of the present invention.
The specific embodiment
In Fig. 1, the invention provides a kind of infrared ray vacuum desiccator, it comprises drying box 1, is distributed with three layers infrared radiation drying layer in drying box 1, and every layer infrared radiation drying layer comprises infra-red radiation system 2 and box 3, infra-red radiation system 2 is positioned at the top, box 3 is positioned at the below, and infra-red radiation system 2 is relative with box 3, is provided with vavuum pump 4 outside drying box 1, be connected in the vacuum-pumping tube 5 of vavuum pump 4 and the drying box 1, infra-red radiation system 2 is set to infrared radiator.
The infrared ray that the infrared line radiator sends, by heated material is absorbed, be converted into heat energy and reach dry purpose, the electromagnetic wave that infrared radiator produces, speed straightline propagation with light arrives dry material, the intrinsic frequency of hydrone motion in infrared ray tranmitting frequency and the material that is dried (also being the absorbing wavelength of ultrared emission wavelength and the material that is dried) is when being complementary, cause the molecule judder in the material, friction generates heat and arrive dry purpose in the inside of material excitation to occur.In the process of vacuum drying, the vaporization of liquid moisture has evaporation and boiling dual mode.The vaporization rate of water when boiling is more faster than the vaporization rate when evaporating, and the moisture evaporation becomes steam and can carry out under any temperature.The moisture boiling becomes steam, can only carry out under specified temp, but when reducing pressure, the boiling point of water also reduces.For example, under 19 .6kPa air pressure, the boiling point of water can drop to 60 ° of C.Vacuum drying technique is exactly under vacuum state, and thermal source is provided, and supplies with the enough heats of moisture in the material by heat transfer types such as heat conduction, heat radiations, and evaporation and boiling are carried out simultaneously, accelerates vaporization rate.Simultaneously, vacuumize and extract out fast the steam of vaporization, and around material, form negative pressure state, form larger moist gradient between between the ectonexine of material and surface and the surrounding medium, accelerated vaporization rate, reach quick-drying purpose.
Claims (2)
1. infrared ray vacuum desiccator, it is characterized in that it comprises drying box (1), in drying box (1), be distributed with some layers infrared radiation drying layer, every layer infrared radiation drying layer comprises infra-red radiation system (2) and box (3), infra-red radiation system (2) is positioned at the top, box (3) is positioned at the below, infra-red radiation system (2) is relative with box (3), outside drying box (1), be provided with vavuum pump (4), be connected in the vacuum-pumping tube (5) of vavuum pump (4) and the drying box (1).
2. infrared ray vacuum desiccator according to claim 1 is characterized in that described infra-red radiation system (2) is set to infrared radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104640421A CN102997622A (en) | 2012-11-19 | 2012-11-19 | Infrared vacuum dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104640421A CN102997622A (en) | 2012-11-19 | 2012-11-19 | Infrared vacuum dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102997622A true CN102997622A (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104640421A Pending CN102997622A (en) | 2012-11-19 | 2012-11-19 | Infrared vacuum dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102997622A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102913A (en) * | 1987-04-22 | 1988-11-09 | 张庆玉 | Vacuum far-infrared dryer for powder materials |
| CN101126596A (en) * | 2006-08-16 | 2008-02-20 | 丛繁滋 | Microwave vacuum freeze-drying apparatus for food and drug production |
| CN201028940Y (en) * | 2007-04-30 | 2008-02-27 | 许进华 | Vacuum far-infrared dryer |
| WO2010109403A1 (en) * | 2009-03-23 | 2010-09-30 | Christian Schiavolin | Dehumidifying device for plastics materials |
| CN101936645A (en) * | 2010-09-30 | 2011-01-05 | 昆山康和电子科技有限公司 | Vacuum drying box |
-
2012
- 2012-11-19 CN CN2012104640421A patent/CN102997622A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102913A (en) * | 1987-04-22 | 1988-11-09 | 张庆玉 | Vacuum far-infrared dryer for powder materials |
| CN101126596A (en) * | 2006-08-16 | 2008-02-20 | 丛繁滋 | Microwave vacuum freeze-drying apparatus for food and drug production |
| CN201028940Y (en) * | 2007-04-30 | 2008-02-27 | 许进华 | Vacuum far-infrared dryer |
| WO2010109403A1 (en) * | 2009-03-23 | 2010-09-30 | Christian Schiavolin | Dehumidifying device for plastics materials |
| CN101936645A (en) * | 2010-09-30 | 2011-01-05 | 昆山康和电子科技有限公司 | Vacuum drying box |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130327 |