CN110873516A - Rotary drum type microwave vacuum processing equipment and process - Google Patents
Rotary drum type microwave vacuum processing equipment and process Download PDFInfo
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- CN110873516A CN110873516A CN201810998885.7A CN201810998885A CN110873516A CN 110873516 A CN110873516 A CN 110873516A CN 201810998885 A CN201810998885 A CN 201810998885A CN 110873516 A CN110873516 A CN 110873516A
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- 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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- 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
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
-
- 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
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/16—Chambers, containers, receptacles of simple construction mainly closed, e.g. drum
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- Drying Of Solid Materials (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A rotary drum type microwave vacuum processing device is composed of a microwave source (1), an arch waveguide assembly (2), a rotary drum (3), a bracket (4), a nitrogen charging assembly (6) and a vacuum obtaining assembly (5); the basic mode for processing comprises three basic modes, namely a first basic mode and a nitrogen-filled drying process flow; a second basic mode, a process flow of vacuum drying; and a third basic mode, namely a process flow of vacuum drying for breaking the cell wall of the plant material.
Description
Technical Field
The invention belongs to the field of hot processing, and particularly relates to rotary drum type microwave vacuum processing equipment and a rotary drum type microwave vacuum processing technology.
Background
Microwaves have been widely used for production as a high-efficiency energy-saving heat processing technique; researches have shown that under a low-pressure environment, namely, a vacuum environment, the dried material has the advantages of preventing browning and protecting heat-sensitive beneficial ingredients; therefore, there is a need to develop microwave processing equipment and process that can be used in low pressure environment; especially, the instant decompression is utilized to realize the cell wall breaking and drying process of the plant material.
Disclosure of Invention
A rotary drum type microwave vacuum processing device comprises a microwave source, an arch-shaped waveguide assembly, a rotary drum, a support, a nitrogen filling assembly and a vacuum obtaining assembly, and is characterized in that the cylindrical rotary drum is horizontally arranged on an outer ring of a movable sealing bearing of the support through two end surface sleeves, the arch-shaped waveguide assembly is arranged in the cylindrical rotary drum, two ends of the arch-shaped waveguide assembly extend out of two end surfaces of the cylindrical rotary drum and fixedly arranged on the support after penetrating through an inner hole of the movable sealing bearing, a left port of the arch-shaped waveguide assembly is connected with a microwave energy output port of the microwave source, and a right port of the arch-shaped waveguide assembly is connected with an air inlet of the vacuum obtaining assembly;
a feeding hole with a cover is arranged on the cylindrical surface of the cylindrical rotary drum, and a blowing and scavenging material hole with a cover is arranged on the right end surface of the cylindrical rotary drum and close to one side of the feeding hole with the cover;
the cylindrical rotating drum rotates under the drive of a known motor and a speed reduction transmission machine;
the cylindrical drum is made of stainless steel, and the geometric dimension meets the requirement of a 915MHz microwave resonant cavity;
the bow-shaped waveguide assembly is formed by connecting a horizontal waveguide a, a vertical waveguide b, a horizontal waveguide c, a vertical waveguide d and a horizontal waveguide e from left to right;
the left port of the horizontal waveguide a extends out of the left end face of the cylindrical rotary drum, passes through the inner hole of the dynamic seal bearing, is fixedly arranged on the left bracket and is connected with the microwave energy output port of the microwave source;
a horizontal waveguide e right port; the right end surface of the cylindrical rotary drum extends out, passes through an inner hole of the dynamic seal bearing, is fixedly arranged on the right bracket and is connected with an air inlet of a vacuum acquisition assembly;
the left end of the section of the horizontal waveguide e extending out of the right end face is connected with an atmosphere through pipe, and an atmosphere through pipe valve is arranged on the atmosphere through pipe; a gas butterfly valve is arranged in the section, extending out from the right end face, of the horizontal waveguide e and positioned on the right side of the atmosphere pipe;
the horizontal waveguide c is horizontally arranged at the uppermost part in the cylindrical rotary drum, and a microwave energy output feed port on the horizontal waveguide c faces downwards to the processed material; the air clapboard made of microwave permeable materials is arranged at the left end of the horizontal waveguide c, the stainless steel microwave clapboard is arranged at the right end of the horizontal waveguide c, a small ventilation hole is drilled in the microwave clapboard, and the requirement of preventing microwave leakage can be satisfied due to the diameter of the small hole;
the microwave source is 915MHz, and is commercialized;
the nitrogen charging assembly is commercialized, and consists of a molecular sieve nitrogen making machine, a pipeline and an air charging gun; the inflation gun is fixedly arranged on the left bracket and penetrates through the inner hole of the dynamic seal bearing to extend into the cylindrical rotary drum;
the vacuum obtaining assembly consists of a condensing tank, a vacuum pump and a pipeline valve, and is commercialized;
the basic modes for processing by using the rotary drum type microwave vacuum processing equipment are three types:
basic mode one, nitrogen-filled drying process flow:
1.) a feeding hole with a cover is arranged on the cylindrical surface of the cylindrical rotary drum upwards, the cover is opened, and the materials are loaded into the rotary drum until the materials occupy 1/2 of the volume of the rotary drum; covering the cover;
2.) opening an upper atmosphere pipe valve of an atmosphere pipe, closing an air butterfly valve, and starting a nitrogen charging assembly to charge nitrogen into the cylindrical rotary drum;
3.) starting the rotation of the rotary drum;
4.) starting a microwave source to feed in microwave energy to heat the material until the material processing meets the process requirement, and closing the microwave source; 5.) stopping the rotation of the drum; a feeding hole with a cover is arranged on the cylindrical surface of the cylindrical rotary drum and faces downwards, the cover is opened, the material is discharged, and compressed air is blown in from a blowing and sweeping port, so that the material in the rotary drum can be conveniently discharged;
6.) back to procedure 1;
basic mode II, vacuum drying process flow:
7.) a feeding hole with a cover is arranged on the cylindrical surface of the cylindrical rotary drum upwards, the cover is opened, and the materials are loaded into the rotary drum until the materials occupy 1/2 of the volume of the rotary drum; covering the cover;
8.) closing the atmospheric pipe valve communicated with the atmosphere pipe, opening the air butterfly valve, and starting the vacuum obtaining assembly to reduce the internal environmental pressure of the cylindrical rotary drum;
9.) starting the rotation of the rotary drum;
10) starting a microwave source to feed in microwave energy to heat the material until the material processing meets the process requirement, and closing the microwave source; 11) closing the vacuum obtaining assembly, closing the air butterfly valve, opening an air pipe valve communicated with the atmosphere pipe, and enabling the internal environment pressure of the cylindrical rotary drum to be equal to the atmospheric pressure;
12) stopping the rotation of the rotary drum; a feeding hole with a cover is arranged on the cylindrical surface of the cylindrical rotary drum and faces downwards, the cover is opened, the material is discharged, and compressed air is blown in from a blowing and sweeping port, so that the material in the rotary drum can be conveniently discharged;
13) returning to the procedure 7;
and a third basic mode, namely a process flow for realizing vacuum drying of the plant material by breaking cell walls:
14.) a feeding hole with a cover is arranged on the cylindrical surface of the cylindrical rotary drum upwards, the cover is opened, and the materials are loaded into the rotary drum until the materials occupy 1/2 of the volume of the rotary drum; covering the cover;
15.) opening an upper atmosphere pipe valve of an atmosphere pipe, closing an air butterfly valve, starting a vacuum acquisition assembly, and reducing the internal environmental pressure of the condensation tank;
16.) starting the rotation of the rotating drum;
17.) starting a microwave source to feed microwave energy to heat the material until the material processing meets the process requirement, closing an air pipe valve communicated with an air pipe, opening an air butterfly valve, and quickly reducing the internal environment pressure of the rotary drum to quickly gasify water in cells and burst cell walls;
18.) turning off the vacuum to obtain an assembly, closing a gas butterfly valve, and opening a gas pipe valve on a gas pipe to ensure that the internal environment pressure of the cylindrical rotary drum is equal to the atmospheric pressure;
19.) stopping the drum rotation; a feeding hole with a cover is arranged on the cylindrical surface of the cylindrical rotary drum and faces downwards, the cover is opened, the material is discharged, and compressed air is blown in from a blowing and sweeping port, so that the material in the rotary drum can be conveniently discharged;
20.) back to procedure 14.
Drawings
FIG. 1 is a longitudinal sectional view showing the structure of a rotary drum type microwave vacuum processing apparatus according to the present invention.
Detailed Description
The invention is further described below with reference to a longitudinal section, without restricting it;
a rotary drum type microwave vacuum processing device comprises a microwave source (1), an arch waveguide assembly (2), a rotary drum (3), a support (4), a nitrogen filling assembly (6) and a vacuum obtaining assembly (5), and is characterized in that the cylindrical rotary drum (3) is horizontally arranged on an outer ring of a dynamic seal bearing of the support (4) through two end surface sleeves (3-1), the arch waveguide assembly (2) is arranged inside the cylindrical rotary drum (3), two ends of the arch waveguide assembly (2) extend out from two end surfaces of the cylindrical rotary drum (3) and fixedly arranged on the support (4) through an inner hole of the dynamic seal bearing, a left port of the arch waveguide assembly (2) is connected with a microwave energy output port of the microwave source (1), and a right port of the arch waveguide assembly (2) is connected with an air inlet of the vacuum obtaining assembly (5);
a feeding hole (3-2) with a cover is arranged on the cylindrical surface of the cylindrical drum (3), and a blowing and sweeping material hole (3-3) with a cover is arranged on the right end surface of the cylindrical drum (3) and close to one side of the feeding hole (3-2) with the cover;
the cylindrical rotating drum (3) is driven by a known motor and a speed reduction transmission machine to rotate; the rotating speed is 1-20 r/min;
the cylindrical drum (3) is made of stainless steel, and the geometric size meets the requirements of a 915MHz microwave resonant cavity;
the bow-shaped waveguide assembly (2) is formed by connecting a horizontal waveguide a (2-4), a vertical waveguide b (2-5), a horizontal waveguide c (2-6), a vertical waveguide d (2-7) and a horizontal waveguide e (2-8) from left to right;
the left port of the horizontal waveguide a (2-4) extends out of the left end face of the cylindrical rotary drum (3), passes through an inner hole of the dynamic seal bearing, is fixedly arranged on a left bracket (4-1) of the bracket (4), and is connected with a microwave energy output port of the microwave source (1);
a horizontal waveguide e (2-8) right port; the right end surface of the cylindrical rotary drum (3) extends out, passes through an inner hole of the dynamic seal bearing, is fixedly arranged on a right bracket (4-2) of the bracket (4), and is connected with an air inlet of a vacuum acquisition assembly (5);
the left end of the section of the horizontal waveguide e (2-8) extending out of the right end face is connected with an air through pipe (5-2), and an air through pipe valve (5-3) is arranged on the air through pipe; a gas butterfly valve (5-1) is arranged in the section, extending out from the right end face, of the horizontal waveguide e (2-8) and positioned on the right side of the air through pipe (5-2);
the horizontal waveguide c (2-6) is horizontally arranged at the uppermost part in the cylindrical rotary drum (3), and the microwave energy output feed port (2-2) on the horizontal waveguide c (2-6) faces downwards to the processed material; an air partition plate (2-1) which can be made of a permeable microwave material is arranged at the left end of the horizontal waveguide c (2-6), a stainless steel microwave partition plate (2-3) is arranged at the right end of the horizontal waveguide c (2-6), a small vent hole is drilled in the microwave partition plate (2-3), and the requirement of preventing microwave leakage can be satisfied due to the diameter of the small hole;
the microwave source (1) is 915MHz and is commercialized;
the nitrogen charging assembly (6) is commercialized and consists of a molecular sieve nitrogen making machine, a pipeline and a gas charging gun (6-1); the inflation gun (6-1) is fixedly arranged on a left bracket (4-1) of the bracket (4) and penetrates through an inner hole of the dynamic seal bearing to extend into the cylindrical rotary drum (3);
the vacuum obtaining assembly (5) is composed of a condensing tank, a vacuum pump and a pipeline valve, and is commercialized;
the basic modes for processing by using the rotary drum type microwave vacuum processing equipment are three types:
basic mode one, nitrogen-filled drying process flow:
21.) a feeding hole (3-2) with a cover is arranged on the cylindrical surface of the cylindrical rotary drum (3) and faces upwards, the cover is opened, and the materials are loaded into the rotary drum (3) until the materials occupy 1/2 of the rotary drum (3); covering the cover;
22.) opening an atmosphere pipe valve (5-3) on an atmosphere pipe (5-2), closing an air butterfly valve (5-1), and starting a nitrogen charging assembly (6) to charge nitrogen into the cylindrical rotary drum (3);
23.) starting the rotation of the drum (3);
24.) starting the microwave source (1) to feed microwave energy to heat the material until the material processing meets the process requirement, and closing the microwave source (1);
25.) stopping the rotation of the drum (3); a feeding hole (3-2) with a cover is arranged on the cylindrical surface of the cylindrical rotary drum (3) downwards, the cover is opened, the material is discharged, and compressed air is blown in from the blowing and sweeping hole (3-3), so that the material in the rotary drum can be conveniently discharged;
26.) back to procedure 21;
basic mode II, vacuum drying process flow:
27.) a feeding hole (3-2) with a cover is arranged on the cylindrical surface of the cylindrical rotary drum (3) and faces upwards, the cover is opened, and the materials are loaded into the rotary drum (3) until the materials occupy 1/2 of the rotary drum (3); covering the cover;
28.) closing the air pipe valve (5-3) communicated with the upper part of the air pipe (5-2), opening the air butterfly valve (5-1), starting the vacuum obtaining assembly (5), and reducing the internal environment pressure of the cylindrical rotary cylinder (3);
29.) starting the rotation of the drum (3);
30.) starting the microwave source (1) to feed microwave energy to heat the material until the material processing meets the process requirement, and closing the microwave source (1);
31.) closing the vacuum obtaining assembly (5), closing the air butterfly valve (5-1), opening the air pipe (5-2) and the air pipe valve (5-3) to ensure that the internal environment pressure of the cylindrical rotary drum (3) is equal to the atmospheric pressure;
32.) stopping the rotation of the drum (3); a feeding hole (3-2) with a cover is arranged on the cylindrical surface of the cylindrical rotary drum (3) downwards, the cover is opened, the material is discharged, and compressed air is blown in from the blowing and sweeping hole (3-3), so that the material in the rotary drum can be conveniently discharged;
33.) back to procedure 27;
and a third basic mode, namely a process flow for realizing vacuum drying of the plant material by breaking cell walls:
34.) a feeding hole (3-2) with a cover is arranged on the cylindrical surface of the cylindrical rotary drum (3) and faces upwards, the cover is opened, and the materials are loaded into the rotary drum (3) until the materials occupy 1/2 of the rotary drum (3); covering the cover;
35.) opening an atmosphere pipe valve (5-3) on an atmosphere pipe (5-2), closing an air butterfly valve (5-1), starting a vacuum obtaining assembly (5), and reducing the internal environment pressure of the condensing tank;
36.) starting the rotation of the drum (3);
37.) starting a microwave source (1) to feed microwave energy to heat the material until the material processing meets the process requirement, closing an air pipe (5-2) and an air pipe valve (5-3), opening an air butterfly valve (5-1), and rapidly reducing the internal environment pressure of the rotary drum (3) to cause the water in the cells to be rapidly gasified and burst the cell walls;
38.) closing the vacuum obtaining assembly (5), closing the air butterfly valve (5-1), opening the air pipe (5-2) and the air pipe valve (5-3) to ensure that the internal environment pressure of the cylindrical rotary drum (3) is equal to the atmospheric pressure;
39.) stopping the rotation of the drum (3); a feeding hole (3-2) with a cover is arranged on the cylindrical surface of the cylindrical rotary drum (3) downwards, the cover is opened, the material is discharged, and compressed air is blown in from the blowing and sweeping hole (3-3), so that the material in the rotary drum can be conveniently discharged;
40.) back to routine 34.
Examples
Ambient air pressure vs. water boiling point relationship:
it can be seen that the feeding of microwave energy is controlled, and the setting of 4.4-19.2KPa environmental pressure can realize the rapid gasification of water boiling at 30-60 deg.C, and promote the rupture of plant cell wall.
Claims (2)
1. A rotary drum type microwave vacuum processing device comprises a microwave source (1), an arch waveguide assembly (2), a rotary drum (3), a support (4), a nitrogen filling assembly (6) and a vacuum obtaining assembly (5), and is characterized in that the cylindrical rotary drum (3) is horizontally arranged on an outer ring of a dynamic seal bearing of the support (4) through two end surface sleeves (3-1), the arch waveguide assembly (2) is arranged inside the cylindrical rotary drum (3), two ends of the arch waveguide assembly (2) extend out from two end surfaces of the cylindrical rotary drum (3) and fixedly arranged on the support (4) through an inner hole of the dynamic seal bearing, a left port of the arch waveguide assembly (2) is connected with a microwave energy output port of the microwave source (1), and a right port of the arch waveguide assembly (2) is connected with an air inlet of the vacuum obtaining assembly (5);
a feeding hole (3-2) with a cover is arranged on the cylindrical surface of the cylindrical drum (3), and a blowing and sweeping material hole (3-3) with a cover is arranged on the right end surface of the cylindrical drum (3) and close to one side of the feeding hole (3-2) with the cover;
the cylindrical rotating drum (3) is driven by a known motor and a speed reduction transmission machine to rotate; the rotating speed is 1-20 r/min;
the cylindrical drum (3) is made of stainless steel, and the geometric size meets the requirements of a 915MHz microwave resonant cavity;
the bow-shaped waveguide assembly (2) is formed by connecting a horizontal waveguide a (2-4), a vertical waveguide b (2-5), a horizontal waveguide c (2-6), a vertical waveguide d (2-7) and a horizontal waveguide e (2-8) from left to right;
the left port of the horizontal waveguide a (2-4) extends out of the left end face of the cylindrical rotary drum (3), passes through an inner hole of the dynamic seal bearing, is fixedly arranged on a left bracket (4-1) of the bracket (4), and is connected with a microwave energy output port of the microwave source (1);
a horizontal waveguide e (2-8) right port; the right end surface of the cylindrical rotary drum (3) extends out, passes through an inner hole of the dynamic seal bearing, is fixedly arranged on a right bracket (4-2) of the bracket (4), and is connected with an air inlet of a vacuum acquisition assembly (5);
the left end of the section of the horizontal waveguide e (2-8) extending out of the right end face is connected with an air through pipe (5-2), and an air through pipe valve (5-3) is arranged on the air through pipe; a gas butterfly valve (5-1) is arranged in the section, extending out from the right end face, of the horizontal waveguide e (2-8) and positioned on the right side of the air through pipe (5-2);
the horizontal waveguide c (2-6) is horizontally arranged at the uppermost part in the cylindrical rotary drum (3), and the microwave energy output feed port (2-2) on the horizontal waveguide c (2-6) faces downwards to the processed material; an air partition plate (2-1) which can be made of a permeable microwave material is arranged at the left end of the horizontal waveguide c (2-6), a stainless steel microwave partition plate (2-3) is arranged at the right end of the horizontal waveguide c (2-6), a small vent hole is drilled in the microwave partition plate (2-3), and the requirement of preventing microwave leakage can be satisfied due to the diameter of the small hole;
the microwave source (1) is 915MHz and is commercialized;
the nitrogen charging assembly (6) is commercialized and consists of a molecular sieve nitrogen making machine, a pipeline and a gas charging gun (6-1); the inflation gun (6-1) is fixedly arranged on a left bracket (4-1) of the bracket (4) and penetrates through an inner hole of the dynamic seal bearing to extend into the cylindrical rotary drum (3);
the vacuum obtaining assembly (5) is composed of a condensing tank, a vacuum pump and a pipeline valve, and is commercialized.
2. According to claim 1, there are three basic modes of machining using the above-mentioned rotary-drum microwave vacuum machining apparatus:
basic mode one, nitrogen-filled drying process flow:
21.) a feeding hole (3-2) with a cover is arranged on the cylindrical surface of the cylindrical rotary drum (3) and faces upwards, the cover is opened, and the materials are loaded into the rotary drum (3) until the materials occupy 1/2 of the rotary drum (3); covering the cover;
22.) opening an atmosphere pipe valve (5-3) on an atmosphere pipe (5-2), closing an air butterfly valve (5-1), and starting a nitrogen charging assembly (6) to charge nitrogen into the cylindrical rotary drum (3);
23.) starting the rotation of the drum (3);
24.) starting the microwave source (1) to feed microwave energy to heat the material until the material processing meets the process requirement, and closing the microwave source (1);
25.) stopping the rotation of the drum (3); a feeding hole (3-2) with a cover is arranged on the cylindrical surface of the cylindrical rotary drum (3) downwards, the cover is opened, the material is discharged, and compressed air is blown in from the blowing and sweeping hole (3-3), so that the material in the rotary drum can be conveniently discharged;
26.) back to procedure 21;
basic mode II, vacuum drying process flow:
27.) a feeding hole (3-2) with a cover is arranged on the cylindrical surface of the cylindrical rotary drum (3) and faces upwards, the cover is opened, and the materials are loaded into the rotary drum (3) until the materials occupy 1/2 of the rotary drum (3); covering the cover;
28.) closing the air pipe valve (5-3) communicated with the upper part of the air pipe (5-2), opening the air butterfly valve (5-1), starting the vacuum obtaining assembly (5), and reducing the internal environment pressure of the cylindrical rotary cylinder (3);
29.) starting the rotation of the drum (3);
30.) starting the microwave source (1) to feed microwave energy to heat the material until the material processing meets the process requirement, and closing the microwave source (1);
31.) closing the vacuum obtaining assembly (5), closing the air butterfly valve (5-1), opening the air pipe (5-2) and the air pipe valve (5-3) to ensure that the internal environment pressure of the cylindrical rotary drum (3) is equal to the atmospheric pressure;
32.) stopping the rotation of the drum (3); a feeding hole (3-2) with a cover is arranged on the cylindrical surface of the cylindrical rotary drum (3) downwards, the cover is opened, the material is discharged, and compressed air is blown in from the blowing and sweeping hole (3-3), so that the material in the rotary drum can be conveniently discharged;
33.) back to procedure 27;
and a third basic mode, namely a process flow for realizing vacuum drying of the plant material by breaking cell walls:
34.) a feeding hole (3-2) with a cover is arranged on the cylindrical surface of the cylindrical rotary drum (3) and faces upwards, the cover is opened, and the materials are loaded into the rotary drum (3) until the materials occupy 1/2 of the rotary drum (3); covering the cover;
35.) opening an atmosphere pipe valve (5-3) on an atmosphere pipe (5-2), closing an air butterfly valve (5-1), starting a vacuum obtaining assembly (5), and reducing the internal environment pressure of the condensing tank;
36.) starting the rotation of the drum (3);
37.) starting a microwave source (1) to feed microwave energy to heat the material until the material processing meets the process requirement, closing an air pipe (5-2) and an air pipe valve (5-3), opening an air butterfly valve (5-1), and rapidly reducing the internal environment pressure of the rotary drum (3) to cause the water in the cells to be rapidly gasified and burst the cell walls;
38.) closing the vacuum obtaining assembly (5), closing the air butterfly valve (5-1), opening the air pipe (5-2) and the air pipe valve (5-3) to ensure that the internal environment pressure of the cylindrical rotary drum (3) is equal to the atmospheric pressure;
39.) stopping the rotation of the drum (3); a feeding hole (3-2) with a cover is arranged on the cylindrical surface of the cylindrical rotary drum (3) downwards, the cover is opened, the material is discharged, and compressed air is blown in from the blowing and sweeping hole (3-3), so that the material in the rotary drum can be conveniently discharged;
40.) back to routine 34.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810998885.7A CN110873516A (en) | 2018-08-30 | 2018-08-30 | Rotary drum type microwave vacuum processing equipment and process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810998885.7A CN110873516A (en) | 2018-08-30 | 2018-08-30 | Rotary drum type microwave vacuum processing equipment and process |
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| Publication Number | Publication Date |
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| CN110873516A true CN110873516A (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810998885.7A Pending CN110873516A (en) | 2018-08-30 | 2018-08-30 | Rotary drum type microwave vacuum processing equipment and process |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2859408Y (en) * | 2005-10-12 | 2007-01-17 | 侯梦斌 | Revolving drum vacuum microwave processing device |
| CN101480245A (en) * | 2009-01-05 | 2009-07-15 | 陕西科技大学 | Equipment for puffing garden stuff with air current and microwave |
| CN103053714A (en) * | 2011-10-24 | 2013-04-24 | 侯梦斌 | Cold-water-brewing tea leaf processing equipment and technology |
| US20140245630A1 (en) * | 2013-03-01 | 2014-09-04 | Dennis Eugene McCarthy | Apparatus for Drying Clothes or Other Solids Using Microwave Energy Under Reduced Pressure with Energy Recovery While Avoiding Arcing |
| CN102149813B (en) * | 2008-09-12 | 2015-05-27 | 能波公司 | Apparatus and method for dehydrating biological materials with freezing and microwaving |
| CN106969609A (en) * | 2017-05-27 | 2017-07-21 | 湖州民强炭业有限公司 | Carbon molecular sieve drying device |
-
2018
- 2018-08-30 CN CN201810998885.7A patent/CN110873516A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2859408Y (en) * | 2005-10-12 | 2007-01-17 | 侯梦斌 | Revolving drum vacuum microwave processing device |
| CN102149813B (en) * | 2008-09-12 | 2015-05-27 | 能波公司 | Apparatus and method for dehydrating biological materials with freezing and microwaving |
| CN101480245A (en) * | 2009-01-05 | 2009-07-15 | 陕西科技大学 | Equipment for puffing garden stuff with air current and microwave |
| CN103053714A (en) * | 2011-10-24 | 2013-04-24 | 侯梦斌 | Cold-water-brewing tea leaf processing equipment and technology |
| US20140245630A1 (en) * | 2013-03-01 | 2014-09-04 | Dennis Eugene McCarthy | Apparatus for Drying Clothes or Other Solids Using Microwave Energy Under Reduced Pressure with Energy Recovery While Avoiding Arcing |
| CN106969609A (en) * | 2017-05-27 | 2017-07-21 | 湖州民强炭业有限公司 | Carbon molecular sieve drying device |
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Application publication date: 20200310 |