CN112460922A - Negative pressure drying device and working method thereof - Google Patents
Negative pressure drying device and working method thereof Download PDFInfo
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- CN112460922A CN112460922A CN202011374531.9A CN202011374531A CN112460922A CN 112460922 A CN112460922 A CN 112460922A CN 202011374531 A CN202011374531 A CN 202011374531A CN 112460922 A CN112460922 A CN 112460922A
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- cavity
- evaporation
- negative pressure
- evaporation cavity
- turbine
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- 238000001035 drying Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001704 evaporation Methods 0.000 claims abstract description 108
- 230000008020 evaporation Effects 0.000 claims abstract description 108
- 238000009833 condensation Methods 0.000 claims abstract description 53
- 230000005494 condensation Effects 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 23
- 230000009347 mechanical transmission Effects 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000009423 ventilation Methods 0.000 claims description 13
- 230000005484 gravity Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 4
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims 1
- 238000007791 dehumidification Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- F26B25/06—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
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a negative pressure drying device and a working method thereof, wherein the device comprises: evaporation chamber, cylinder, air exhaust fan, turbine, mechanical transmission, can dismantle the condensation chamber. The air exhaust fan at the outlet of the evaporation cavity enables the evaporation cavity to form a negative pressure evaporation space by extracting air in the evaporation cavity, moisture in the material to be dried is taken out after being uniformly evaporated under the action of negative pressure wind in the roller arranged in the evaporation cavity, wet air flowing out of the outlet of the evaporation cavity enters the detachable condensation cavity to be pressurized or directly discharged into the atmosphere, wherein water vapor can be condensed in the detachable condensation cavity, the negative pressure in the evaporation cavity and a turbine at the inlet of the evaporation cavity are driven by differential pressure formed by positive pressure (or external atmospheric pressure) in the detachable condensation cavity to be arranged in the evaporation cavity, and energy recovered by the turbine is transmitted to the air exhaust fan through a mechanical transmission device so as to reduce energy loss.
Description
Technical Field
The invention relates to the technical field of drying, in particular to a negative pressure drying device and a working method thereof.
Background
The invention can effectively increase the uniformity in the drying process by negative pressure drying through flowing negative pressure air, and simultaneously, the steam in the air is pressurized and condensed through a detachable condensation cavity, and the energy of the air flow is recovered by using a turbine.
Disclosure of Invention
The invention aims to provide an energy-saving negative pressure drying device and a working method thereof, and the energy-saving negative pressure drying device has the advantages of energy conservation, simple structure and low cost.
In order to solve the technical problems, the invention adopts the technical scheme that:
the negative pressure drying device comprises a negative pressure drying device,
an evaporation cavity, an air exhaust fan at the outlet of the evaporation cavity, a roller arranged in the evaporation cavity, a turbine arranged at the inlet of the evaporation cavity, a detachable condensation cavity and a mechanical transmission device,
wherein,
said extraction fan being at approximately the same height as said turbine;
the inlet of the detachable condensation chamber can be communicated with or separated from the outlet of the evaporation chamber,
the air exhaust fan enables the evaporation cavity to form a negative pressure evaporation space by extracting air in the evaporation cavity, moisture in the material to be dried is uniformly evaporated in the roller in the evaporation cavity under the action of negative pressure air and then is taken out in a wet air mode,
the humid air is pressurized or vented to the atmosphere via the removable condensation chamber,
the vapor can be in can dismantle the condensation chamber in the condensation condenses, negative pressure in the evaporation intracavity with can dismantle the differential pressure drive that the malleation in the condensation chamber or outside atmospheric pressure formed the turbine, the energy that the turbine was retrieved passes through mechanical transmission transmits for air exhaust fan is in order to reduce energy loss.
In the negative-pressure drying device, the drying chamber is provided with a drying chamber,
and a circular evaporation cavity door is arranged on the side wall of the evaporation cavity.
In the negative-pressure drying device, the drying chamber is provided with a drying chamber,
the cylinder is a cylindrical cylinder, a plurality of through holes are uniformly reserved on the side wall of the cylindrical cylinder, a plurality of fins are uniformly arranged on the outer side of the side wall along the circumference, the fins are connected to a bus of the cylindrical cylinder, the bottom surface on one side of the cylinder is a closed bottom surface, a shaft inserted into the inner wall hole of the evaporation cavity is arranged at the center of the outer part of the closed bottom surface, and the shaft rotates in the inner wall hole of the evaporation cavity to enable the cylinder to rotate in the evaporation cavity.
In the negative-pressure drying device, the drying chamber is provided with a drying chamber,
and a round opening is formed in the other bottom surface of the roller, the round opening is over against the evaporation cavity door, and the plane where the round opening is located is parallel to the evaporation cavity door.
In the negative-pressure drying device, the drying chamber is provided with a drying chamber,
the evaporation cavity is internally provided with a guide plate which rotates along the guide plate shaft.
In the negative-pressure drying device, the drying chamber is provided with a drying chamber,
the turbine is mounted on: an inlet of a vertical ventilating pipe connected with the bottom of the evaporation cavity,
and the rotating shaft of the turbine is connected with the rotating shaft of the air exhaust fan through the mechanical transmission device.
In the negative-pressure drying device, the drying chamber is provided with a drying chamber,
a valve is arranged at the bottom of the cavity body of the detachable coagulation cavity,
the outlet of the detachable coagulation cavity is communicated with or separated from the inlet of the vertical ventilating pipe.
In the negative-pressure drying device, the drying chamber is provided with a drying chamber,
the bottom of the evaporation chamber is connected to a vertical ventilation duct via a vertical pipe, a horizontal ventilation duct, wherein the vertical pipe has a total height that is smaller than the total height of the vertical ventilation duct.
In another aspect, the working method of the negative pressure drying device includes the following steps,
and placing the material to be dried in the roller, starting the air exhaust fan to form negative pressure in the evaporation cavity and positive pressure in the detachable condensation cavity, and transmitting the mechanical energy recovered by the turbine to the air exhaust fan through the mechanical transmission device under the action of differential pressure.
In the method, the raw materials are mixed,
the material to be dried is rapidly dried in the roller under the action of negative pressure wind, the roller is rotated by adjusting the angle of the guide plate, so that the material rolls, water vapor in the air is condensed under the action of the positive pressure of the detachable condensation cavity, condensed liquid drops fall into the bottom of the detachable condensation cavity under the action of gravity, and the dehumidified dry air enters the evaporation cavity through the outlet of the detachable condensation cavity, wherein,
the detachable condensation cavity is a movable part, and when the detachable condensation cavity is removed to work, the wet air is directly discharged from the outlet of the evaporation cavity.
In the negative pressure drying device, the upper end of an evaporation cavity is communicated with a vertical air outlet through a pipeline, the lower end of the evaporation cavity is communicated with a vertical ventilation pipe through a pipeline, and a circular evaporation cavity door is arranged on the side wall of the evaporation cavity. Install the cylinder in the evaporation chamber, the cylinder is a cylinder section of thick bamboo, evenly leave the through-hole on the cylinder lateral wall, some rectangular fins are evenly arranged along the circumference in the lateral wall outside, the fin connection is on cylinder generating line, cylinder one side bottom surface is closed bottom surface, this closed bottom surface outside center has the axle that inserts evaporation chamber inner wall hole, thereby this axle can make the cylinder rotate at the evaporation intracavity at evaporation intracavity inner wall downthehole internal rotation, another bottom surface of cylinder has circular opening, this opening is just parallel to evaporation chamber door and place plane and evaporation chamber door. The guide plate is installed in the evaporation cavity, the guide plate can rotate along the guide plate shaft, the fan is installed at the outlet of the evaporation cavity, the turbine is installed at the inlet of the vertical pipeline of the evaporation cavity, and the rotating shaft of the turbine is connected with the rotating shaft of the fan through a mechanical transmission device. The bottom of the cavity of the detachable condensation cavity is provided with a valve, the inlet of the detachable condensation cavity can be communicated or separated with the outlet of the evaporation cavity, and the outlet of the detachable condensation cavity can be communicated or separated with the inlet of the vertical ventilating pipe.
Will treat that dry material arranges the cylinder in, close evaporation chamber door, start air exhaust fan, make the evaporation intracavity form the negative pressure and can make the intracavity of can dismantling to condense simultaneously and form the malleation, mechanical energy that turbine was retrieved under differential pressure effect transmits for the fan through mechanical transmission, treat dry material because the effect of negative pressure wind is dry rapidly in the cylinder, angle through the adjustment guide plate can make the cylinder rotatory, thereby make the material take place to roll, vapor in the air condenses under the effect of dismantling the condensation chamber malleation, and the condensation liquid drop falls into its bottom under the action of gravity, dry air after the dehumidification gets into the evaporation chamber through dismantling the condensation chamber export. The detachable condensation chamber is a movable part, and when the detachable condensation chamber is removed to work, the wet air is directly discharged from the outlet of the evaporation chamber.
The invention adopts the method of negative pressure air drying, positive pressure condensation and mechanical energy recovery by the turbine to dry the materials, and has the advantages of simple structure, low energy consumption and low cost.
Drawings
FIG. 1 is a schematic view of a negative pressure drying apparatus of the present invention;
fig. 2 is a schematic view of the drum of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1 to 2 and the detailed description.
As shown in fig. 1, the negative pressure drying device includes,
an evaporation cavity 1, an air exhaust fan 6A at the outlet of the evaporation cavity, a roller 3 arranged in the evaporation cavity, a turbine 6B arranged at the inlet of the evaporation cavity, a detachable condensation cavity 10 and a mechanical transmission device 7,
wherein,
the extraction fan 6A is substantially at the same height as the turbine 6B;
the inlet of the detachable condensation chamber 10 can be connected with or separated from the outlet of the evaporation chamber 1,
the air exhaust fan 6A forms a negative pressure evaporation space in the evaporation cavity 1 by extracting the air in the evaporation cavity 1, the moisture in the material to be dried is uniformly evaporated in the roller 3 in the evaporation cavity 1 under the action of negative pressure air and then is taken out in a wet air mode,
the humid air is pressurized or vented to the atmosphere via the removable condensation chamber 10,
the water vapor can be condensed in the detachable condensation chamber 10, the turbine 6B is driven by a differential pressure formed by the negative pressure in the evaporation chamber 1 and the positive pressure in the detachable condensation chamber 10 or the external atmospheric pressure, and the energy recovered by the turbine 6B is transmitted to the extraction fan 6A through the mechanical transmission device 7 so as to reduce the energy loss. Will treat the dry material and arrange in cylinder 3, close evaporation chamber door 2, start air exhaust fan 6A, make the evaporation intracavity 1 form the negative pressure and can make simultaneously can dismantle and condense the intracavity 10 and form the malleation, the mechanical energy that turbine 6B retrieved under the differential pressure effect transmits for fan 6A through mechanical transmission 7, treat the dry material because the effect rapid drying of negative pressure wind in cylinder 3, angle through adjustment guide plate 4 can make cylinder 3 rotatory, thereby make the material take place to roll, vapor in the air condenses under the effect that can dismantle and condense intracavity 10 malleation, and condense the liquid drop under the action of gravity and fall into its bottom, the dry air after the dehumidification gets into evaporation chamber 1 through dismantling the export of condensation intracavity 10. The detachable condensation chamber 10 is a movable part, and when the detachable condensation chamber 10 is removed to work, the wet air is directly discharged from the outlet of the evaporation chamber 1.
The upper end of an evaporation cavity 1 is communicated with a vertical air outlet through a pipeline, the lower end of the evaporation cavity is communicated with a vertical pipeline 8B through a pipeline, and a circular evaporation cavity door 2 is arranged on the side wall of the evaporation cavity. Install cylinder 3 in the evaporation chamber, cylinder 3 is a cylinder as shown in fig. 2, evenly leave through-hole 3A on the cylinder lateral wall, some rectangular fins 3B are evenly arranged along the circumference in the lateral wall outside, fin connection is on cylinder generating line, cylinder one side bottom surface is closed bottom surface, the outside center of this closed bottom surface has the axle 3C that inserts evaporation intracavity wall hole, thereby this axle 3C can make cylinder 3 rotate in the evaporation chamber at evaporation intracavity wall downthehole rotation, another bottom surface of cylinder 3 has circular opening, this opening just is parallel with evaporation chamber door 2 and place plane to evaporation chamber door 2. Install guide plate 4 in the evaporation chamber 1, guide plate 4 can be followed guide plate axle 5 and rotated, fan 6A installs in the exit of evaporation chamber 1, turbine 6B installs in the vertical ventilation pipe 8A entrance of evaporation chamber 1, and turbine 6B's rotation axis passes through mechanical transmission 7 and is connected with fan 6A's rotation axis. The bottom of the detachable condensation cavity 10 is provided with a valve 11, the inlet of the detachable condensation cavity 10 can be communicated or separated with the outlet of the evaporation cavity 1, and the outlet of the detachable condensation cavity can be communicated or separated with the inlet of the vertical ventilation pipe 8A.
Will treat the dry material and arrange in cylinder 3, close evaporation chamber door 2, start air exhaust fan 6A, make the evaporation intracavity 1 form the negative pressure and can make simultaneously can dismantle and condense the intracavity 10 and form the malleation, the mechanical energy that turbine 6B retrieved under the differential pressure effect transmits for fan 6A through mechanical transmission 7, treat the dry material because the effect rapid drying of negative pressure wind in cylinder 3, angle through adjustment guide plate 4 can make cylinder 3 rotatory, thereby make the material take place to roll, vapor in the air condenses under the effect that can dismantle and condense intracavity 10 malleation, and condense the liquid drop under the action of gravity and fall into its bottom, the dry air after the dehumidification gets into evaporation chamber 1 through dismantling the export of condensation intracavity 10. The detachable condensation chamber 10 is a movable part, and when the detachable condensation chamber 10 is removed to work, the wet air is directly discharged from the outlet of the evaporation chamber 1.
Optionally, the bottom of the evaporation chamber 1 is connected to a vertical ventilation duct 8A via a vertical duct 8B, a horizontal ventilation duct 9, wherein the vertical duct 8B has a total height smaller than the total height of the vertical ventilation duct 8A.
The invention adopts the method of negative pressure wind accelerating evaporation and positive pressure condensation to realize material drying, and adopts the method of turbine recovering mechanical energy to carry out material drying treatment, and has the advantages of simple structure, no heat exchange process, low energy consumption and low cost.
Claims (10)
1. A negative pressure drying apparatus comprising:
an evaporation cavity (1), an air exhaust fan (6A) at the outlet of the evaporation cavity, a roller (3) arranged in the evaporation cavity, a turbine (6B) arranged at the inlet of the evaporation cavity, a detachable condensation cavity (10) and a mechanical transmission device (7),
wherein,
the extraction fan (6A) is substantially at the same height as the turbine (6B);
the inlet of the detachable condensation chamber (10) can be communicated with or separated from the outlet of the evaporation chamber (1),
the air exhaust fan (6A) forms a negative pressure evaporation space in the evaporation cavity (1) by extracting air in the evaporation cavity (1), moisture in the material to be dried is uniformly evaporated in the roller (3) in the evaporation cavity (1) under the action of negative pressure air and then is taken out in a wet air mode,
the humid air is pressurized or discharged into the atmosphere via the detachable condensation chamber (10),
the water vapor can be condensed in the detachable condensation cavity (10), the turbine (6B) is driven by a differential pressure formed by the negative pressure in the evaporation cavity (1) and the positive pressure in the detachable condensation cavity (10) or the external atmospheric pressure, and the energy recovered by the turbine (6B) is transmitted to the air exhaust fan (6A) through the mechanical transmission device (7) so as to reduce the energy loss.
2. The negative pressure drying apparatus according to claim 1, wherein; preferably, the first and second liquid crystal materials are,
the side wall of the evaporation cavity (1) is provided with a circular evaporation cavity door (2).
3. The negative pressure drying apparatus according to claim 2, wherein:
the cylinder (3) is a cylindrical cylinder, a plurality of through holes (3A) are uniformly reserved on the side wall of the cylindrical cylinder, a plurality of fins (3B) are uniformly arranged on the outer side of the side wall along the circumference, the fins (3B) are connected on a cylindrical cylinder bus, the bottom surface of one side of the cylinder (3) is a closed bottom surface, the outer center of the closed bottom surface is provided with a shaft (3C) inserted into an inner wall hole of the evaporation cavity (1), and the shaft (3C) rotates in the inner wall hole of the evaporation cavity (1) to enable the cylinder (3) to rotate in the evaporation cavity.
4. The negative pressure drying apparatus according to claim 3, wherein:
and a round opening is formed in the other bottom surface of the roller (3), the round opening is over against the evaporation cavity door (2), and the plane where the round opening is located is parallel to the evaporation cavity door (2).
5. The negative pressure drying apparatus according to claim 1, characterized in that:
a guide plate (4) is installed in the evaporation cavity (1), and the guide plate (4) rotates along a guide plate shaft (5).
6. The negative pressure drying apparatus according to claim 1, characterized in that:
the turbine (6B) is mounted on: an inlet of a vertical ventilation pipe (8A) connected with the bottom of the evaporation cavity (1),
and the rotating shaft of the turbine (6B) is connected with the rotating shaft of the air exhaust fan (6A) through the mechanical transmission device (7).
7. The negative pressure drying apparatus according to claim 1, characterized in that:
a valve (11) is arranged at the bottom of the detachable coagulation cavity (10),
the outlet of the detachable condensation cavity (10) is communicated with or separated from the inlet of the vertical ventilating pipe (8A).
8. The negative pressure drying device of claim 6, wherein:
the bottom of the evaporation chamber (1) is connected to a vertical ventilation duct (8A) via a vertical pipe (8B), a horizontal ventilation duct (9), wherein the vertical pipe (8B) has a total height which is smaller than the total height of the vertical ventilation duct (8A).
9. The method of operating an underpressure drying device according to one of claims 1 to 8, characterized in that it comprises:
the material to be dried is placed in the roller (3), the air exhaust fan (6A) is started, negative pressure is formed in the evaporation cavity (1), positive pressure is formed in the detachable condensation cavity (10), and mechanical energy recovered by the turbine (6B) under the action of differential pressure is transmitted to the air exhaust fan (6A) through the mechanical transmission device (7).
10. The method of claim 9, wherein:
the material to be dried is rapidly dried in the roller (3) under the action of negative pressure wind, the roller (3) is rotated by adjusting the angle of the guide plate (4), so that the material rolls, water vapor in the air is condensed under the action of positive pressure of the detachable condensation cavity (10), condensed liquid drops fall into the bottom of the detachable condensation cavity under the action of gravity, and the dehumidified dry air enters the evaporation cavity (1) through the outlet of the detachable condensation cavity (10), wherein,
the detachable condensation cavity (10) is a movable part, and when the detachable condensation cavity (10) works, the wet air is directly discharged from the outlet of the evaporation cavity (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011374531.9A CN112460922B (en) | 2020-11-30 | 2020-11-30 | Negative pressure drying device and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011374531.9A CN112460922B (en) | 2020-11-30 | 2020-11-30 | Negative pressure drying device and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112460922A true CN112460922A (en) | 2021-03-09 |
| CN112460922B CN112460922B (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011374531.9A Active CN112460922B (en) | 2020-11-30 | 2020-11-30 | Negative pressure drying device and working method thereof |
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| Country | Link |
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| CN (1) | CN112460922B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597335A (en) * | 2022-10-20 | 2023-01-13 | 西安交通大学（Cn） | Phase-change heat exchange balanced drying device and working method thereof |
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| CN109405422A (en) * | 2018-11-30 | 2019-03-01 | 江苏天舒电器有限公司 | A kind of vacuum environment heat pump drying system and its working method |
| CN208765409U (en) * | 2018-06-05 | 2019-04-19 | 合肥亚龙化工有限责任公司 | A kind of energy-saving type vacuum drying machine |
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2020
- 2020-11-30 CN CN202011374531.9A patent/CN112460922B/en active Active
Patent Citations (6)
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| JP2002267362A (en) * | 2001-03-06 | 2002-09-18 | Shoraku Mu | Energy saving type drying liquefying machine |
| CN1862197A (en) * | 2006-06-06 | 2006-11-15 | 青岛大学 | Drum drying method |
| CN101377380A (en) * | 2008-09-22 | 2009-03-04 | 缪晓青 | High-efficiency and energy-saving gas compression string stacked type temperature raising, refrigerating, dehumidifying and drying device |
| CN106014516A (en) * | 2016-07-21 | 2016-10-12 | 大连理工大学 | Waste heat recycling system of energy-saving type indirect air cooling tower |
| CN208765409U (en) * | 2018-06-05 | 2019-04-19 | 合肥亚龙化工有限责任公司 | A kind of energy-saving type vacuum drying machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115597335A (en) * | 2022-10-20 | 2023-01-13 | 西安交通大学（Cn） | Phase-change heat exchange balanced drying device and working method thereof |
| CN115597335B (en) * | 2022-10-20 | 2024-05-03 | 西安交通大学 | Phase-change heat exchange balanced drying device and working method thereof |
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| Publication number | Publication date |
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| CN112460922B (en) | 2021-08-27 |
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