CN109387039A - Rotary-drum vacuum dryer - Google Patents
Rotary-drum vacuum dryer Download PDFInfo
- Publication number
- CN109387039A CN109387039A CN201710658003.8A CN201710658003A CN109387039A CN 109387039 A CN109387039 A CN 109387039A CN 201710658003 A CN201710658003 A CN 201710658003A CN 109387039 A CN109387039 A CN 109387039A
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- China
- Prior art keywords
- vacuum container
- dryness storehouse
- elbow
- warehouse
- dry
- 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.)
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Classifications
-
- 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
- F26B11/044—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 the drum or receptacle having a variable outer or inner diameter in axial direction, e.g. trunconical; the drum or receptacle having a polygonal or non-cylindrical shape
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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
- F26B11/0445—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 having conductive heating arrangements, e.g. heated drum wall
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- 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
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
-
- 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
- F26B25/008—Seals, locks, e.g. gas barriers or air curtains, for drying enclosures
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
A kind of rotary-drum vacuum dryer of the present invention includes dry vacuum container, hopper, device for discharging, elbow, gas-guide tube, vacuum pump set, roller bracket, driving device, heating device, gear ring, blower, sealing device, bracket.Dry vacuum container includes heating cabinet, dryness storehouse, heat-conducting work medium;Roller bracket, which fixedly supports, feed inlet on dry vacuum container, discharge port.Elbow does not have the feed inlet and outlet of one end of flange and dry vacuum container to be integrated by sealing device sealed connection, and elbow has one end of flange and device for discharging to be connected to one.Dry vacuum container in the drive rotary course of driving device, gas-guide tube and elbow be it is stationary, gas-guide tube and elbow junction are sealed air-tights.The thermal energy of heating device passes through heat-conducting work medium to material heating, thermally conductive, heat dissipation, and thermal conversion efficiency is high and loss is small, and the material after drying is cooled down in cooling section, improving material drying efficiency and optimization dry materials effect.Leakage is generated when damage occurs in a certain heat pipe, does not influence the use of entire rotary-drum vacuum dryer.
Description
Technical field
The present invention relates to a kind of roller drying machine, specifically a kind of rotary-drum vacuum dryer.
Background technique
In the processings fields such as present grain, food, chemical industry, medicine, agricultural and sideline product, herbage, need in vacuum condition
Under processing is thermally dried to material;Roller drying machine currently on the market dryness storehouse heat exchange mostly with calandria heat dissipation, every
Layer heating method carries out heat exchange heat dissipation, but their radiator volume is big, and heat dissipation area is small, and thermal energy service efficiency is low.Wet object
Agglomeration is commonly formed in material under vacuum conditions, is caused the uneven drying of wet stock, is influenced the drying quality of material.Present market
On roller drying machine dryness storehouse use process in high failure rate, heat-dissipating pipe in dryness storehouse in thermally conductive heat transfer process by
The abrasion of material, there are a heat-dissipating pipes to leak, and heat-dissipating pipe can not repair, and causes the report of a whole set of " roller drying machine "
It is useless, it can not use.Material is cooling in the environment of normal pressure, will receive the influence of moisture in the air of ambient enviroment, dried object
Expect infringement of being got damp;Directly that the material after drying is cooling under vacuum dried condition, the quality of material can obtain after drying
Further protection.
Summary of the invention
The problem to be solved in the present invention is to overcome the shortcomings of the prior art, and dry vacuum container replaces heat-dissipating pipe with heat pipe
To carry out thermally conductive heating to material, provides a kind of rotary-drum vacuum dryer.
In order to achieve the above object, the present invention is achieved through the following technical solutions: a kind of rotary-drum vacuum dryer includes
Dry vacuum container, hopper, device for discharging, elbow, gas-guide tube, vacuum pump set, roller bracket, driving device, heating device, gear
Circle, blower, sealing device, bracket.
There are feed inlet, discharge port on the dry vacuum container.
The support roller includes bracket, support roller.
1, support roller is rack-mount.
2, roller bracket rest have feed inlet, discharge port on dry vacuum container.
The elbow is metal winding pipe, and there is flange in one end of elbow, and it is light pipe that the other end, which does not have flange,.
The elbow does not have the feed inlet of one end of flange and dry vacuum container to be integrated by sealing device sealed connection,
Elbow has one end of flange and device for discharging to be connected to one.
1, elbow do not have one end of flange be inserted in dry vacuum container feed inlet the inside, the discharging muzzle of dry vacuum container
In the outside in elbow, it is connected and fixed between elbow and feed inlet by sealing device dynamic sealing.
2, device for discharging one end is fixedly connected with elbow, and the other end of device for discharging is equipped with hopper.
3, for dry vacuum container in the drive rotary course of driving device, elbow is stationary;Dry vacuum container rotation
It is sealed air-tight between elbow and the feed inlet of dry vacuum container when turning.
4, elbow is to be fixed on the ground by bracket, or be fixed by the bracket on the bracket of roller bracket.
The elbow does not have the discharge port of one end of flange and dry vacuum container to be integrated by sealing device sealed connection,
Elbow has one end of flange and device for discharging to be connected to one.
1, elbow does not have an end cap of flange in the outside of the discharge port of dry vacuum container, and the discharge port of dry vacuum container is inserted
In the inside of elbow, the connection of elbow and discharge port is connected and fixed by sealing device dynamic sealing.
2, device for discharging one end is fixedly connected with elbow, and the other end of device for discharging is equipped with hopper.
3, for dry vacuum container in the drive rotary course of driving device, elbow is stationary;Dry vacuum container rotation
It is sealed air-tight between elbow and the feed inlet of dry vacuum container when turning.
4, elbow is to be fixed on the ground by bracket, or be fixed by the bracket on the bracket of roller bracket.
The elbow does not have the discharge port of one end of flange and dry vacuum container to be integrated by sealing device sealed connection,
Elbow has one end of flange and device for discharging to be connected to one.
1, the connection of elbow and discharge port is connected and fixed by sealing device dynamic sealing.
2, device for discharging one end is fixedly connected with elbow, and the other end of device for discharging is equipped with hopper.
3, for dry vacuum container in the drive rotary course of driving device, elbow is stationary;Dry vacuum container rotation
It is sealed air-tight between elbow and the discharge port of dry vacuum container when turning.
4, elbow is to be fixed on the ground by bracket, or be fixed by the bracket on the bracket of roller bracket.
The sealing device is device for sealing magnetic fluid or dynamic sealing device.
The dynamic sealing device mainly includes rotating ring, stationary ring, has certain sealing between the conflict end face of dynamic and static ring
Precision, dynamic and static ring can relatively rotate to form mechanical dynamic seal, and the working principle of dynamic sealing is the prior art.
1, the stationary ring of the dynamic sealing device of sealing device is mounted on the inside or outside of the feed inlet and outlet of dry vacuum container.
2, the rotating ring of the dynamic sealing device of sealing device be mounted on one end elbow of the not flange of elbow outside or in
Face.
3, it is close to cover or be inserted in moving for elbow for the stationary ring of the sealing device dynamic sealing device of the feed inlet and outlet of dry vacuum container
Above the rotating ring of seal apparatus or the inside.
4, the feed inlet and outlet of elbow and dry vacuum container is by sealing device fixed seal connection.
Magnetic liquid is utilized to the response characteristic in magnetic field in the magnetic fluid sealing of the device for sealing magnetic fluid.Magnetic
Property liquid, which is injected into the magnetic conductive loop being made of high performance permanent magnet, the good pole shoe of magnetic conduction and axis, will form several liquid
Body "O"-ring.When the effect of magnetic fluid pressure difference, can be moved in non-uniform magnetic-field, at this moment non-uniform magnetic field will make
Magnetic liquid create antagonism pressure difference magnetic force so that reach new balance, thus play the role of sealing.
The device for discharging is airlock wind stopping device or discharge gate.
1, device for discharging plays the role of high airtight rotation conveying material.
2, device for discharging maintains high airtight dynamic sealing during conveying material, reduces gas in hopper and enters very
Air inflow inside empty dryness storehouse.
One end of the gas-guide tube is connected to vacuum pump set.
1, the other end of gas-guide tube passes through the inside that elbow extends to dry vacuum container.
2, the other end of gas-guide tube even extends to the inside of dry vacuum container.
3, after one end of gas-guide tube passes through elbow, consolidated in the fixed support of the gas-guide tube and elbow of dry vacuum container by bracket
Fixed connection;The inside of gas-guide tube and elbow is supported by bracket is fixed, has the gas-guide tube of the fixed support of bracket that can increase gas-guide tube
Fastness, cause the impact to gas-guide tube to swing when material being avoided to pass in and out.
4, dry vacuum container is in the drive rotary course of driving device, and gas-guide tube is stationary, gas-guide tube and curved
Head junction is sealed air-tight.
The bracket is metal strip.
The vacuum pump set includes vacuum pump, condenser.
1, vacuum pump is used to extract the gas in the storehouse of dry vacuum container, dryness storehouse storehouse when dry vacuum container material drying
Interior relative pressure is -0.045Mpa to -0.099Mpa.
2, the dry generated moisture of the materials inside of dry vacuum container, condenser plays the condensable gas of moisture is cold
It coagulates for after water, the moisture that pump drainage reduces volume can reduce the power of vacuum pump.
3, the thermal energy that condensation generates can also be obtained again using achieving the effect that UTILIZATION OF VESIDUAL HEAT IN energy-saving and emission-reduction.
The gear ring is fixedly mounted on dry vacuum container, and gear ring and dry vacuum container are connected to one.
The driving device is used to drive the gear ring on dry vacuum container, and the driving gear teeth in driving device are engaged
Gear ring on dry vacuum container, the driving gear teeth in driving device drive gear ring rotary motion.
1, gear ring drives dry vacuum container rotary motion under the action of driving device.
2, dry vacuum container is under the induced effect of driving device, support of the dry vacuum container by support roller, dry vacuum container
The rotary motion on roller bracket.
The driving device is motor or air motor or hydraulic motor.
The dry vacuum container includes heating cabinet, dryness storehouse, heat-conducting work medium.
The heating cabinet is in the outside of dryness storehouse.
1, the warehouse contact position of the warehouse and dryness storehouse at heating cabinet both ends is connected to one.
It 2, is that closing is gastight in the storehouse of heating cabinet.
The making material of the warehouse of the heating cabinet is metal plate, metal plate with a thickness of 0.5-8mm.
Insulating layer is set with outside the heating cabinet to keep the temperature, it is possible to reduce the loss of thermal energy.
1, the warehouse of insulating layer and heating cabinet is disjunct.
2, there is no insulating layer on the bottom end warehouse of heating cabinet, the bottom end warehouse of the heating cabinet of insulating layer is not convenient for peripheral hardware
Heating device is thermally conductive to the warehouse heating of heating cabinet.
The heat-conducting work medium is in the storehouse of heating cabinet.
The heat-conducting work medium is water ether or composite work medium.
The dryness storehouse includes warehouse, radiating riser, heat pipe, helical blade, fixed strip.
The making material of the warehouse of the dryness storehouse is metal plate, metal plate with a thickness of 0.5-8mm.
There are inlet port and outlet port on the dryness storehouse.
1, the inlet port and outlet port at dryness storehouse both ends are also the inlet port and outlet port of dry vacuum container.
The helical blade is weldingly fixed on the warehouse in dryness storehouse.
1, in dry vacuum container rotary course, helical blade is stirred the material in dryness storehouse storehouse, is convenient for material
It is uniform dry.
2, in dry vacuum container rotary course, helical blade carries out material from the feed inlet of dryness storehouse to dryness storehouse
Discharge port rotate and promote, the material after finally drying promotes discharge port through dryness storehouse that drying is discharged by the rotation of helical blade
Storehouse.
3, helical blade is fixed on the effect that reinforcing rib is also acted as on the warehouse of dryness storehouse, and helical blade has ensured dryness storehouse
Resistance to negative pressure and anti-inhale flat effect.
One end of the dryness storehouse is dryer section, and the other end is cooling section.
1, the one end for having heating cabinet on dryness storehouse is dryer section.
2, the one end for not having heating cabinet on dryness storehouse is cooling section.
3, it is 75-90% that the length of dryer section, which accounts for the ratio of dryness storehouse length,.
4, it is 10-25% that the length of cooling section, which accounts for the ratio of dryness storehouse length,.
The radiating riser is metal tube;Either there is the metal tube of fin.
The radiating riser includes the metal tube of both ends sealing, fin, heat-conducting work medium.
1, fin is fixed on the pipe of metal tube, and the connection form of fin and metal tube is longitudinal shape, or is surround
Shape;Fin is used to increase the heat conduction and heat radiation area of radiating riser, improves the heat conduction and heat radiation speed of radiating riser.
2, heat-conducting work medium is in the inside of metal tube.
The warehouse of the cooling section of the dryness storehouse has corresponding aperture, the bore dia in aperture and the Guan Zhi of radiating riser up and down
Diameter size is the same.
1, the both ends of radiating riser are through in the corresponding aperture of the warehouse of dryness storehouse cooling section or more;The both ends of radiating riser
It extends out outside the warehouse of dryness storehouse, the both ends length for extending the radiating riser outside the warehouse of dryness storehouse is 50-
300mm。
2, the binding site on the warehouse of radiating riser and dryness storehouse cooling section is welded as a whole with welding machine, is radiated
The binding site of standpipe and warehouse is securely airtight.
3, the tube spacing of radiating riser and radiating riser is 50-300mm.
The both ends of the radiating riser are fixed on the warehouse inside dryness storehouse cooling section.
1, the both ends of radiating riser are fixedly welded on the warehouse of dryness storehouse cooling section by electric welding machine.
2, the tube spacing of radiating riser and radiating riser is 50-300mm.
3, inside a radiating riser and inside of another radiating riser is not communicated with, when a certain radiating riser goes out
Now damage generates leakage, that is, is only that this root radiating riser can not work, and does not influence the use of entire dryness storehouse.
4, radiating riser has the function of that stirring promotes material;Radiating riser, which is fixed on the warehouse of dryness storehouse to also act as, to be added
The effect of strengthening tendons, radiating riser have ensured the resistance to negative pressure of dryness storehouse and anti-have inhaled flat effect.
The heat pipe is light pipe heat pipe, or has the heat pipe of fin.
The heat pipe includes metal tube, fin, heat-conducting work medium.
The fin is fixed on the tube wall exterior of metal tube, and fin and metal tube, which are connected and fixed, to be integrated.
1, the connection form of fin and metal tube is longitudinal shape, or around shape.
2, fin is used to increase the heat dissipation area of heat pipe, improves the heat conduction and heat radiation speed of the thermal energy in heat pipe.
The metal tube is metal tube closed at both ends.
1, the diameter of metal tube is 15-48mm.
2, the height of metal tube is 600-2500mm.
The heat-conducting work medium is in the pipe for the metal tube that both ends seal.
The diameter of the heat pipe is 30-80mm, and the height of heat pipe is 600-2500mm.
1, dryness storehouse is one large one small, and heat pipe selects suitable length heat as the inner diameter size of dryness storehouse is different
Pipe.
The lower end fitting of the heat pipe is fixed on the warehouse of dryness storehouse dryer section.
1, the lower end of heat pipe is weldingly fixed on the warehouse of dryness storehouse dryer section by welding machine, the lower end of heat pipe and drying
The warehouse of storehouse dryer section is connected to one.
2, the spacing of heat pipe and heat pipe is 20-80mm.
3, dryness storehouse is in rotary course, and the material that heat pipe plays at the dryer section to dryness storehouse is stirred, heats
Effect.
The heat pipe is an individual integral solder on the warehouse of the dryer section of dryness storehouse.
1, the inside of heat pipe and the inside of another heat pipe are not communicated with.
2, leakage is generated when damage occurs in a certain heat pipe, that is, is only that this root heat pipe can not work, not shadow
Ring the use of entire dryness storehouse.
The heat pipe is fixed by fixed strip, and fixed strip is the upper end for being fixed on heat pipe, and fixed strip is either fixed on
The middle position of heat pipe.
1, the heat pipe for having fixed strip to support will not wave on the warehouse of the dryer section of dryness storehouse, protect heat pipe in drying
The firmness of the connection of the warehouse of the dryer section in storehouse is conducive to service performance of the heat pipe in the dryer section of dryness storehouse.
2, every heat pipe has 1-2 fixed strips to support connection.
3, for dryness storehouse in vacuum pump set in the state of vacuumizing, the heat pipe for having fixed strip to support plays guarantee dryness storehouse
Resistance to negative pressure and anti-inhale flat effect.
The fixed strip is metal strip or reinforcing bar.
The heating device is boiler burner or heat pump.
The heating device is heated to the warehouse of the heating cabinet of dry vacuum container.
1, heating device is direct-fired to the warehouse of the heating cabinet of dry vacuum container, and liquid in heating cabinet storehouse is led
The thermal energy that hot working fluid is heated device directly heats vaporization.
2, the gas shape heat-conducting work medium after the vaporization in heating cabinet carry thermal energy by the warehouse of dryness storehouse to material into
Thermal conductivity of going heating.
3, the thermal energy that the gas shape heat-conducting work medium in heating cabinet carries is by the lower end of the heat pipe on dryness storehouse warehouse to heat
Liquid heat-conducting work medium in pipe provides thermal energy, and the thermal energy on heat pipe lower end makes liquid heat-conducting work medium Quick-gasifying,
Gasiform heat-conducting work medium after gasification in heat pipe moves in heat pipe inner chamber, the gold that gasiform heat-conducting work medium passes through heat pipe
After category pipe, fin radiate outward, gasiform heat-conducting work medium is condensed into liquid heat-conducting work medium, and condensed liquid leads
After hot working fluid flows at heat pipe lower end, heat gasifies liquid heat-conducting work medium again again, and heat-conducting work medium carries out in heat pipe
Ceaselessly vapour, liquid phase become the heat conduction and heat radiation that is recycled;Thermal energy passes through the metal tube of heat pipe, the heat transfer of fin, heat radiation
Thermal conductivity heating is carried out to the material around the heat pipe of the dryer section of dryness storehouse, the material for obtaining thermal energy carries out dry drying,
Reach the material of necessary requirement water content standard.
4, the heating that the condensed liquid heat-conducting work medium in heating cabinet is heated device again vaporizes again, leads
Vapour, the liquid phase-change heat transfer of hot working fluid in cycles, thermal resistance very little, Natural Circulation are thermally conductive.
The thermal energy of high-temperature material at the dryness storehouse cooling section of dry vacuum container passes through the warehouse and radiating riser of dryness storehouse
It is cooling to carry out heat conduction and heat radiation.
1, the thermal energy of the material high temperature after drying is conducted in the radiating riser at the cooling section of dryness storehouse by heat transfer
Heat-conducting work medium on, radiating riser is rotated with dryness storehouse, since the both ends of radiating riser are extended outside the warehouse of dryness storehouse, is led
Hot working fluid takes thermal energy outside the storehouse of dryness storehouse to;Cryogenic air outside dryness storehouse is under the translocation of blower, Cryogenic air pair
Radiating riser outside dryness storehouse warehouse carries out that convection current is cooling, the thermal energy of such material high temperature by the heat conduction and heat radiation of radiating riser,
Material after drying can radiate to have obtained cooling.
2, the thermal energy conduction of the material high temperature after drying is to the material high temperature on the warehouse at dryness storehouse cooling section, after drying
Thermal energy be conducted on the warehouse at dryness storehouse cooling section by radiating riser, transporting of the Cryogenic air outside dryness storehouse in blower
Under effect, Cryogenic air carries out convection current cooling to the warehouse of dryness storehouse cooling section, and the material after drying can radiate to obtain
It is cooling.
3, temperature of high-temperature material is spent 40-60 after the drying described in this;The temperature of Cryogenic air outside dryness storehouse is zero
It is 20 degree -30 degree lower;The temperature of material and the temperature difference of Cryogenic air are bigger after drying, and the cooling effect of material is better.
The energy consumption index of the vacuum conductive drying of rotary-drum vacuum dryer is 2800-4000kj/kg, and convective drying
Energy consumption index is 4000-7500kj/kg.
1, the thermal energy availability of convective drying generally only has 20-50%, and vacuum conductive drying theoretically can be with
Close to 100%, the thermal energy availability of actually vacuum conductive drying can achieve 60-80%.
2, vacuum conductive drying is than convective drying energy conservation 30-50% under normal circumstances, this is because vacuum conductive drying is not
Hot-blast Heating material is needed, it is small by the thermal losses for being vented lost.
The present invention has the advantages that compared with existing roller drying machine: a kind of heating dress of rotary-drum vacuum dryer
The thermal energy set is by heat-conducting work medium to material heating, thermally conductive, heat dissipation, and thermal conversion efficiency is high and loss is small, improves thermally conductive heat exchange
Speed.During dry materials, there is the dryness storehouse of cooling section to rotate under the effect of external force, the radiating riser of helical arrangement
Has the function of stirring and propulsion, drying materials do not have dead angle, and material is prevented from caking when interior storehouse dryer section is dry, shortens material
Drying time, make drying materials uniform quality, it is dry after material cooled down in cooling section, improving material drying efficiency and
Optimize dry materials effect, green drying energy conservation and environmental protection.Leakage is generated when damage occurs in a certain heat pipe, does not influence entire roller
The use of vacuum dryer.
Detailed description of the invention:
Fig. 1, for the structural schematic diagram of rotary-drum vacuum dryer of the present invention;
Fig. 2, for rotary-drum vacuum dryer of the present invention dry vacuum container structural schematic diagram;
Fig. 3, for rotary-drum vacuum dryer of the present invention dry vacuum container heat pipe and dryness storehouse warehouse connection structure signal
Figure;
Fig. 4, the structure that is connected with the warehouse of dryness storehouse of the radiating riser of dry vacuum container for rotary-drum vacuum dryer of the present invention
Schematic diagram;
Fig. 5, the structural schematic diagram that is connected with elbow of feed inlet for the dry vacuum container of rotary-drum vacuum dryer of the present invention;
Fig. 6, the structural schematic diagram that is connected with elbow of discharge port for the dry vacuum container of rotary-drum vacuum dryer of the present invention.
In attached drawing: dry vacuum container (1), hopper (2), device for discharging (3), elbow (4), gas-guide tube (5), vacuum pump set
(6), roller bracket (7), driving device (8), heating device (9), gear ring (10), blower (11), heating cabinet (12), dryness storehouse
(13), heat pipe (14), heat-conducting work medium (15), feed inlet (16), discharge port (17), dryer section (18), cooling section (19), heat dissipation are vertical
It manages (20), sealing device (21), flange (22), fixed strip (23), fin (24), metal tube (25), warehouse (26), bracket
(27).
Specific embodiment:
The present invention is described further with reference to the accompanying drawings and examples.
Embodiment 1:
A kind of rotary-drum vacuum dryer as shown in Fig.1 and Fig.2 includes dry vacuum container (1), hopper (2), and device for discharging (3) is curved
Head (4), gas-guide tube (5), vacuum pump set (6), roller bracket (7), driving device (8), heating device (9), gear ring (10), wind
Machine (11), sealing device (21), bracket (27).
Have feed inlet (16) on the dry vacuum container (1), discharge port (17).
The roller bracket (7) includes bracket, support roller.
1, support roller is rack-mount.
2, roller bracket (7) rest have feed inlet (16) on dry vacuum container (1), discharge port (17).
Such as Fig. 1, Fig. 2, elbow (4) shown in fig. 5 is metal winding pipe, and there is flange in one end of elbow (4), and the other end does not have method
Orchid is light pipe.
The elbow (4) not the feed inlet (16) of one end of flange and dry vacuum container (1) by sealing device (21)
Sealed connection is integrated, and elbow (4) has one end of flange and device for discharging (3) to be connected to one.
1, one end of the not no flange of elbow (4) is inserted in the inside of the feed inlet (16) of dry vacuum container (1), elbow (4) and
It is connected and fixed between feed inlet (16) by sealing device (21) dynamic sealing.
2, device for discharging (3) one end is fixedly connected with elbow (4), and the other end of device for discharging (3) is equipped with hopper
(2).
3, for dry vacuum container (1) in the drive rotary course of driving device (8), elbow (4) is stationary;Vacuum
It is sealed air-tight between the feed inlet (16) of elbow (4) and dry vacuum container (1) when dryness storehouse (1) rotates.
4, elbow (4) is to be fixed on the ground by bracket (27), or be fixed on roller bracket (7) by bracket (27)
On.
Such as Fig. 1, Fig. 2, elbow (4) shown in fig. 6 not the discharge port (17) of one end of flange and dry vacuum container (1) by
Sealing device sealed connection is integrated, and elbow (4) has one end of flange (22) and device for discharging (3) to be connected to one.
1, an end cap of the not no flange of elbow (4) is in the outside of the discharge port (17) of dry vacuum container (1), elbow (4) and
The connection of discharge port (17) is connected and fixed by sealing device (21) dynamic sealing.
2, device for discharging (3) one end is fixedly connected with elbow (4), and the other end of device for discharging (3) is equipped with hopper
(2).
3, for dry vacuum container (1) in the drive rotary course of driving device (8), elbow (4) is stationary;Vacuum
It is sealed air-tight between the discharge port (17) of elbow (4) and dry vacuum container (1) when dryness storehouse (1) rotates.
4, elbow (4) is to be fixed on the ground by bracket, or be fixed by the bracket on roller bracket (7).
The sealing device (21) is dynamic sealing device.
The device for discharging (3) is wind stopping device.
Such as Fig. 1, gas-guide tube (5) one end shown in fig. 5 is connected on vacuum pump set (6).
1, gas-guide tube (5) other end passes through elbow (4) and extends to dry vacuum container (1) inside, gas-guide tube (5) and elbow
(4) junction is sealed air-tight.
2, gas-guide tube (5) other end pass through elbow (4) after, dry vacuum container (1) gas-guide tube (5) and elbow (4) by
The fixed support of bracket (27).
3, dry vacuum container (1) drives in rotary course in driving device (8), and gas-guide tube (5) is stationary.
The bracket (27) is metal strip.
The vacuum pump set (6) includes vacuum pump, condenser.
1, the dry generated moisture of the materials inside of dry vacuum container (1), condenser are played the coercibility gas of moisture
After body is condensed into water, the moisture that pump drainage reduces volume can reduce the power of vacuum pump, and the thermal energy for condensing generation can also be another
It is secondary to obtain using achieving the effect that UTILIZATION OF VESIDUAL HEAT IN energy-saving and emission-reduction.
2, vacuum pump is used to extract the gas in dryness storehouse (13) storehouse of dry vacuum container (1), dry vacuum container drying object
The relative pressure in dryness storehouse (13) storehouse when material is -0.085Mpa.
The gear ring (10) is fixedly mounted on dry vacuum container (1).
The driving device (8) drives the gear ring (10) on dry vacuum container (1).
1, gear ring (10) drives dry vacuum container (1) rotary motion under the action of driving device (8).
2, dry vacuum container (1) is under the induced effect of driving device (8), and dry vacuum container (1) is by roller bracket (7)
The rest of support roller, dry vacuum container (1) rotary motion on roller bracket (7).
The driving device (8) is motor.
Dry vacuum container (1) as shown in Fig.1 and Fig.2 includes heating cabinet (12), dryness storehouse (13), heat-conducting work medium (15).
Outside of the heating cabinet (12) in dryness storehouse (13).
1, warehouse (26) contact position of the warehouse (26) and dryness storehouse (13) at heating cabinet (12) both ends is to be fixedly connected as one
Body.
It 2, is that closing is gastight in the storehouse of heating cabinet (12).
The making material of the warehouse (26) of the heating cabinet (12) is metal plate, metal plate with a thickness of 0.5-8mm.
Insulating layer is set with outside the heating cabinet (12) to keep the temperature.
1, the warehouse (26) of insulating layer and heating cabinet (12) is disjunct.
2, no insulating layer on the bottom end warehouse (26) of heating cabinet (12), not the bottom end storehouse of the heating cabinet (12) of insulating layer
Body (26) is thermally conductive to warehouse (26) heating of heating cabinet (12) convenient for heating device (8).
The heat-conducting work medium (15) is in the storehouse of heating cabinet (12).
The heat-conducting work medium (15) is water.
The dryness storehouse (13) includes warehouse (26), radiating riser (20), heat pipe (14), helical blade, fixed strip
(23).
The making material of the warehouse (26) of the dryness storehouse (13) is metal plate, metal plate with a thickness of 0.5-8mm.
There are feed inlet (16) and discharge port (17) on the dryness storehouse (13).
1, the feed inlet (16) of dryness storehouse (13) and discharge port (17) are also the feed inlet (16) of dry vacuum container (1) and go out
Material mouth (17).
The helical blade is weldingly fixed on the warehouse (26) in dryness storehouse (13).
1, in dry vacuum container (1) rotary course, helical blade is stirred the material in dryness storehouse (13) storehouse, just
It is uniformly dried in material.
2, in dry vacuum container (1) rotary course, material is carried out the feed inlet from dryness storehouse (13) by helical blade
(16) it rotates and promotes to the discharge port (17) of dryness storehouse (13) at, the material after drying is promoted by the rotation of helical blade through drying
Dryness storehouse (13) are discharged in the discharge port (17) in storehouse (13).
3, helical blade is fixed on the effect that reinforcing rib is also acted as on the warehouse of dryness storehouse (13), and helical blade has ensured dry
The resistance to negative pressure of dry storehouse (13) and anti-inhale flat effect.
One end of the dryness storehouse (13) is dryer section (18), and the other end is cooling section (19).
1, the one end for having heating cabinet (12) on dryness storehouse (13) is dryer section (18).
2, one end of no heating cabinet (12) is cooling section (19) on dryness storehouse (13).
3, the ratio that the length of dryer section (18) accounts for dryness storehouse (13) length is 85%.
4, the ratio that the length of cooling section (19) accounts for dryness storehouse (13) length is 15%.
Such as Fig. 2, radiating riser (20) shown in Fig. 4 is the metal tube for having fin.
The radiating riser (20) includes the metal tube (25) of both ends sealing, fin (24), heat-conducting work medium (15).
1, fin (24) is fixed on the pipe of the metal tube (25) of both ends sealing, the company of fin (24) and metal tube (25)
Connecing form is longitudinal shape, or around shape.
2, the inside for the metal tube (25) that heat-conducting work medium (15) seals at both ends.
The warehouse (26) that the both ends of the radiating riser (20) are through dryness storehouse (13) cooling section (19) is corresponding up and down
In aperture.
1, the both ends of radiating riser (20) extend out outside the warehouse (26) of dryness storehouse (13) cooling section (19), extend
The both ends length of the radiating riser (20) outside the warehouse (26) of dryness storehouse (13) cooling section (19) is 100mm out.
2, the binding site on the warehouse (26) of radiating riser (20) and dryness storehouse (13) cooling section (19) is welded with welding machine
It is connected in an entirety, the binding site of the warehouse (26) of radiating riser (20) and dryness storehouse (13) cooling section (19) is securely impermeable
Gas.
3, the tube spacing of radiating riser (20) and radiating riser (20) is 100mm.
Such as Fig. 2, heat pipe (14) shown in Fig. 3 is the heat pipe for having fin.
The heat pipe (14) includes metal tube (25), fin (24), heat-conducting work medium (15).
The metal tube (25) is metal tube closed at both ends;Fin (24) is fixed on outside the tube wall of metal tube (25)
Face, fin (24) and metal tube (25), which are connected and fixed, to be integrated;The connection form of fin (24) and metal tube (25) is longitudinal
Shape, or around shape;Heat-conducting work medium (15) is in the pipe for the metal tube (25) that both ends seal.
The diameter of the heat pipe (14) is 40mm, and the height of heat pipe (14) is 800mm.
The lower end fitting of the heat pipe (14) is fixed on the warehouse (26) of dryness storehouse (13) dryer section (18).
1, the lower end of heat pipe (14) is weldingly fixed on the warehouse (26) of dryness storehouse (13) dryer section (18) by welding machine,
The lower end of heat pipe (14) and the warehouse (26) of dryness storehouse (13) dryer section (18) are connected to one.
2, the spacing between heat pipe (14) and heat pipe (14) is 60mm.
3, in rotary course, heat pipe (14) is played to the object at dryness storehouse (13) dryer section (18) dry vacuum container (1)
Expect the effect for being stirred, heating.
The heat pipe (14) is an individual integral solder on the warehouse (26) of dryness storehouse (13) dryer section (18)
's.
1, the inside of heat pipe (14) and the inside of another heat pipe (14) are not communicated with.
2, leakage is generated when damage occurs in a certain heat pipe (14), that is, being only this root heat pipe (14) can not work
Make, does not influence the use of entire dry vacuum container (1).
The heat pipe (14) is fixed by fixed strip (23), and fixed strip (23) is the upper end for being fixed on heat pipe (14), Gu
Determine the middle position that item (23) is either fixed on heat pipe (14).
1, warehouse (26) of the heat pipe (14) for thering are fixed strip (23) to support in dryness storehouse (13) dryer section (18) of dryness storehouse
On will not wave, protect heat pipe (14) in the firmness of the connection of the warehouse (26) of dryness storehouse (13) dryer section (18), be conducive to
Heat pipe (14) service performance inner in the dryer section (18) of dryness storehouse (13).
2, every heat pipe (14) has 1-2 fixed strips (23) to support connection.
3, in vacuum pump set in the state of vacuumizing, the heat pipe (14) for having fixed strip (23) to support plays dryness storehouse (13)
The resistance to negative pressure of guarantee dryness storehouse (13) and anti-inhale flat effect.
The fixed strip (23) is reinforcing bar.
The heating device (9) is burner.
Warehouse (26) heating of the heating device (9) to the heating cabinet (12) of dry vacuum container (1).
Dry materials and cooling process when rotary-drum vacuum dryer carries out vacuum drying work are as follows:
One, heating device (9) is direct-fired to the warehouse (26) of the heating cabinet (12) of dry vacuum container (1), heating cabinet (12)
The thermal energy that liquid heat-conducting work medium (15) in storehouse is heated device (9) directly heats vaporization, condensed heat-conducting work medium
(15) thermal energy for being heated the heat-conducting medium hot water of device (9) again vaporizes again, heat-conducting work medium (15) in cycles into
Row heat absorption, heat dissipation, condensation, heat absorption, heat dissipation, condensation.
Two, gas shape heat-conducting work medium (15) after the vaporization in heating cabinet (12) carries thermal energy and passes through dryness storehouse (13)
The warehouse (26) of dryer section (18) carries out thermal conductivity heating to material.
Three, wet stock passes sequentially through hopper (2), device for discharging (3), elbow (4), the feed inlet of dry vacuum container (1)
(16) dryer section (18) into dryness storehouse (13) is dried in vacuo, and dry vacuum container (1) is carrying out drying material in vacuum work
When making, dry vacuum container (1) is rotated under the action of driving device (8), helical blade stirrer and promotes material.
Four, the gas shape heat-conducting work medium (15) after the vaporization in heating cabinet (12) carries the gold that thermal energy passes through heat pipe (14)
Belong to pipe (25), the heat transfer of fin (24) carries out heat to the material around the heat pipe (14) of the dryer section (18) of dryness storehouse (13)
Heating is led, the material for obtaining thermal energy carries out vacuum drying, reaches the material of necessary requirement water content standard.
Five, vacuum pump set (6) in pump drainage dryness storehouse (13) storehouse, is generated by gas-guide tube (5) during dry materials
Moisture;Preferred relative pressure in dryness storehouse (13) is -0.096Mpa.
Six, material is after the dryer section (18) of dryness storehouse (13) is dry, and material is in helical blade stirrer and the effect of propulsion
Under, the cooling section (19) that material enters dryness storehouse (13) is cooling;The Cryogenic air of dryness storehouse (13) outside is made in the transporting of blower (8)
Under, Cryogenic air carries out the material that convection current is cooling, after drying to the warehouse (26) of dryness storehouse (13) cooling section (19)
Heat dissipation has obtained cooling;After material cooling after drying, the discharge port (17) of dryness storehouse (13), elbow (4), discharging are passed sequentially through
Device (3), hopper (2) are discharged outside the storehouse of dry vacuum container (1).
Embodiment 2:
A kind of rotary-drum vacuum dryer shown in the present embodiment 2 with the composite structure that embodiment 1 is introduced be it is identical, it is identical it
Place just no longer repeats.
A kind of rotary-drum vacuum dryer includes dry vacuum container (1), hopper (2), device for discharging (3), elbow (4), air guide
It manages (5), vacuum pump set (6), roller bracket (7), driving device (8), heating device (9), gear ring (10), blower (11) is close
Seal apparatus (21), bracket (27).
Have feed inlet (16) on the dry vacuum container (1), discharge port (17).
The dry vacuum container (1) includes heating cabinet (12), dryness storehouse (13), heat-conducting work medium (15).
Outside of the heating cabinet (12) in dryness storehouse (13).
The dryness storehouse (13) includes warehouse (26), radiating riser, heat pipe (14), helical blade, fixed strip (23).
The radiating riser includes the metal tube (25) of both ends sealing, fin (24), heat-conducting work medium (15).
The both ends of the radiating riser are fixed on the internal warehouse (26) of dryness storehouse (13) cooling section (19).
1, the both ends of radiating riser are fixedly welded on to the warehouse (26) of dryness storehouse (13) cooling section (19) by electric welding machine
On.
2, the tube spacing of radiating riser and radiating riser is 50-300mm.
3, inside a radiating riser and inside of another radiating riser is not communicated with, when a certain radiating riser goes out
Now damage generates leakage, that is, is only that this root radiating riser can not work, and does not influence entire dry vacuum container (1)
It uses.
The radiating riser has the function of that stirring promotes material;Radiating riser is fixed on the warehouse of dryness storehouse (13)
(26)) effect of reinforcing rib is also acted as on, radiating riser has ensured the resistance to negative pressure of dryness storehouse (13) and anti-inhaled flat effect.
The high temperature of material passes through dryness storehouse (13) after drying at dryness storehouse (13) cooling section (19) of dry vacuum container (1)
Warehouse (26) to carry out heat conduction and heat radiation cooling.
One, the high temperature heat of material is conducted on the warehouse (26) of dryness storehouse (13) cooling section (19) after drying, dryness storehouse
(13) Cryogenic air outside is under the translocation of blower (8), warehouse of the Cryogenic air to dryness storehouse (13) cooling section (19)
(26) convection current cooling is carried out, the material after drying can radiate to have obtained cooling.
Two, for the thermal energy of the material high temperature after drying by heat transfer, thermal energy conduction is inner to dryness storehouse (13) cooling section (19)
Radiating riser in heat-conducting work medium (15) on, radiating riser is rotated with dry vacuum container (1), the carrying heat in radiating riser
The heat-conducting work medium (15) of energy is by thermal energy conduction on the warehouse (26) of dryness storehouse (13) cooling section (19).
Three, for the Cryogenic air of dryness storehouse (13) outside under the translocation of blower (8), Cryogenic air is cold to dryness storehouse (13)
But the warehouse (26) of section (19) carries out convection current cooling, and the material after drying can radiate to have obtained cooling.
Above embodiments are merely used to help understand production method and its core concept of the invention, and specific implementation is not limited to
In above-mentioned specific embodiment, those skilled in the art from the above idea, without creative labor, is made
Variation, all fall within protection scope of the present invention.
Claims (9)
1. a kind of rotary-drum vacuum dryer, including dry vacuum container (1), hopper (2), device for discharging (3), elbow (4), gas-guide tube
(5), vacuum pump set (6), roller bracket (7), driving device (8), heating device (9), gear ring (10), blower (11), sealing
Device (21), bracket (27);It is characterized by: have feed inlet (16) on dry vacuum container (1), discharge port (17);
The roller bracket (7) includes bracket, support roller;Support roller is rack-mount;Roller bracket (7) rest vacuum drying
Have on storehouse (1) feed inlet (16), discharge port (17);
The feed inlet (16) of one end of flange and dry vacuum container (1) is not sealed the elbow (4) by sealing device (21)
It is connected as one, elbow (4) has one end of flange and device for discharging (3) to be connected to one;Elbow (4) not flange one
End is inserted in the inside of the feed inlet (16) of dry vacuum container (1), by sealing device (21) between elbow (4) and feed inlet (16)
Dynamic sealing is connected and fixed;For dry vacuum container (1) in the drive rotary course of driving device (8), elbow (4) is stationary
's;It is sealed air-tight between the feed inlet (16) of elbow (4) and dry vacuum container (1) when dry vacuum container (1) rotates;
The discharge port (17) of one end of flange and dry vacuum container (1) is not tightly connected the elbow (4) by sealing device
It is integrated, elbow (4) has one end of flange (22) and device for discharging (3) to be connected to one;Elbow (4) not flange one
End cap is in the outside of the discharge port (17) of dry vacuum container (1), and the connection of elbow (4) and discharge port (17) is by sealing device (21)
Dynamic sealing is connected and fixed;
What described device for discharging (3) one end was fixedly connected with elbow (4), device for discharging (3) other end is equipped with hopper (2);
Described gas-guide tube (5) one end is connected on vacuum pump set (6), and gas-guide tube (5) other end passes through elbow (4) and extends to very
Empty dryness storehouse (1) is internal, and gas-guide tube (5) and elbow (4) junction are sealed air-tights, the air guide in dry vacuum container (1)
(5) and elbow (4) is managed to be supported by bracket (27) are fixed;Dry vacuum container (1) drives in rotary course in driving device (8), leads
Tracheae (5) is stationary;
The vacuum pump set (6) includes vacuum pump and condenser;
The gear ring (10) is fixedly mounted on dry vacuum container (1);
The driving device (8) drives the gear ring (10) on dry vacuum container (1), and gear ring (10) is in driving device (8)
Dry vacuum container (1) rotary motion is driven under induced effect, dry vacuum container (1) by the support roller rest on roller bracket (7),
Dry vacuum container (1) rotary motion on roller bracket (7);
The dry vacuum container (1) includes heating cabinet (12), dryness storehouse (13), heat-conducting work medium (15);Heating cabinet (12) is dry
The outside of dry storehouse (13);The warehouse (26) at heating cabinet (12) both ends is to be fixedly connected with warehouse (26) contact position of dryness storehouse (13)
It is integrated;It is that closing is gastight in the storehouse of heating cabinet (12), heat-conducting work medium (15) is in heating cabinet (12) storehouse;
Insulating layer is set with outside the heating cabinet (12) to keep the temperature, insulating layer and heating cabinet (12) warehouse (26) are to be not attached to
, no insulating layer on the bottom end warehouse (26) of heating cabinet (12), the not no bottom end warehouse (26) of the heating cabinet (12) of insulating layer
It is thermally conductive to warehouse (26) heating of heating cabinet (12) convenient for heating device (8);
The dryness storehouse (13) includes warehouse (26), radiating riser (20), heat pipe (14), helical blade, fixed strip (23);It is dry
There are feed inlet (16) and discharge port (17) on dry storehouse (13);
The helical blade is weldingly fixed on the warehouse (26) in dryness storehouse (13);Helical blade is fixed on dryness storehouse (13)
Warehouse on also act as the effect of reinforcing rib, helical blade has ensured the resistance to negative pressure of dryness storehouse (13) and anti-has inhaled flat effect;
Described dryness storehouse (13) one end is dryer section (18), and the other end is cooling section (19);Dryness storehouse has heating cabinet on (13)
(12) one end is dryer section (18), and the other end of no heating cabinet (12) is cooling section (19) on dryness storehouse (13);
The radiating riser (20) is metal tube;Either there is the metal tube of fin;The both ends of radiating riser (20) are to extend
Out outside the warehouse (26) of dryness storehouse (13) cooling section (19), extend the warehouse (26) in dryness storehouse (13) cooling section (19)
The both ends length of the radiating riser (20) of outside is 50-300mm;, radiating riser (20) and dryness storehouse (13) cooling section (19)
The binding site of warehouse (26) is securely airtight;
The both ends of the radiating riser are fixed on the internal warehouse (26) of dryness storehouse (13) cooling section (19);Pass through electric welding machine
The both ends of radiating riser are fixedly welded on the warehouse (26) of dryness storehouse (13) cooling section (19);Radiating riser and radiating riser
Tube spacing be 50-300mm;
The heat pipe (14) is light pipe heat pipe, or has the heat pipe of fin;Heat pipe (14) includes metal tube (25), fin
(24), heat-conducting work medium (15);
Heat pipe (14) the lower end fitting is fixed on the warehouse (26) of dryness storehouse (13) dryer section (18), and heat pipe (14) is single
An only integral solder is on the warehouse (26) of dryness storehouse (13) dryer section (18);The inside of piece heat pipe (14) and another
The inside of heat pipe (14) is not communicated with;In rotary course, heat pipe (14) plays dry to dryness storehouse (13) dry vacuum container (1)
The effect that material at dry section (18) is stirred, heats;
The every heat pipe (14) has 1-2 fixed strips (23) to support connection, and fixed strip (23) is to be fixed on heat pipe (14)
Upper end, fixed strip (23) is either fixed on the middle positions of heat pipe (14);The heat pipe (14) for having fixed strip (23) to support rises
The resistance to negative pressure of guarantee dryness storehouse (13) and the effect that anti-suction is flat are arrived;
The fixed strip (23) is metal strip or reinforcing bar;
Warehouse (26) heating of the heating device (9) to the heating cabinet (12) of dry vacuum container (1);
The relative pressure in dryness storehouse (13) storehouse when dry vacuum container (1) material drying is -0.045Mpa to -
0.099Mpa。
2. a kind of rotary-drum vacuum dryer according to claim 1, it is characterised in that: elbow (4) is solid by bracket (27)
Determine on the ground, or is fixed on roller bracket (7) by bracket (27).
3. a kind of rotary-drum vacuum dryer according to claim 1, it is characterised in that: sealing device (21) is that magnetic fluid is close
Seal apparatus or dynamic sealing device.
4. a kind of rotary-drum vacuum dryer according to claim 1, it is characterised in that: device for discharging (3) is airlock, or
Person is wind stopping device or discharge gate.
5. a kind of rotary-drum vacuum dryer according to claim 1, it is characterised in that: driving device (8) is motor, or
Air motor or hydraulic motor.
6. a kind of rotary-drum vacuum dryer according to claim 1, it is characterised in that: heat-conducting work medium (15) is water, or
It is ether or composite work medium.
7. a kind of rotary-drum vacuum dryer according to claim 1, it is characterised in that: the length of dryer section (18) accounts for dry
The ratio of dry storehouse (13) length is 75-90%, and the ratio that the length of cooling section (19) accounts for dryness storehouse (13) length is 10-25%
。
8. a kind of rotary-drum vacuum dryer according to claim 1, it is characterised in that: the diameter of heat pipe (14) is 30-
80mm, the height of heat pipe (14) are 600-2500mm, and the spacing between heat pipe (14) and heat pipe (14) is 20-80mm.
9. a kind of rotary-drum vacuum dryer according to claim 1, it is characterised in that: heating device (9) is boiler, or
It is burner or heat pump.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710658003.8A CN109387039A (en) | 2017-08-03 | 2017-08-03 | Rotary-drum vacuum dryer |
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Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710658003.8A CN109387039A (en) | 2017-08-03 | 2017-08-03 | Rotary-drum vacuum dryer |
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Publication Number | Publication Date |
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CN109387039A true CN109387039A (en) | 2019-02-26 |
Family
ID=65413180
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113385125A (en) * | 2021-03-11 | 2021-09-14 | 上海应用技术大学 | Preparation device and process of graphene oxide composite superfine silver powder |
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2017
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113385125A (en) * | 2021-03-11 | 2021-09-14 | 上海应用技术大学 | Preparation device and process of graphene oxide composite superfine silver powder |
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Application publication date: 20190226 |