CN104764312B - Vacuum drying tower - Google Patents
Vacuum drying tower Download PDFInfo
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- CN104764312B CN104764312B CN201410000227.6A CN201410000227A CN104764312B CN 104764312 B CN104764312 B CN 104764312B CN 201410000227 A CN201410000227 A CN 201410000227A CN 104764312 B CN104764312 B CN 104764312B
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- vacuum
- heat
- storehouse
- drying tower
- heating
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- 238000001291 vacuum drying Methods 0.000 title claims abstract description 56
- 238000010438 heat treatment Methods 0.000 claims abstract description 77
- 239000000463 material Substances 0.000 claims abstract description 40
- 238000001035 drying Methods 0.000 claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 230000008676 import Effects 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 2
- 238000005485 electric heating Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 239000012774 insulation material Substances 0.000 abstract description 4
- 238000009834 vaporization Methods 0.000 abstract description 2
- 230000008016 vaporization Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000003754 machining Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
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- 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
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a vacuum drying tower. The vacuum drying tower consists of a vacuum preheating bin, a vacuum drying bin, a vacuum cooling bin, an unloading valve, a heat conducting pipe, a heat circulating pump, a hopper, a bracket, a heat conducting inlet, a heat conducting outlet, a vacuum heat conducting cooling device, a vacuum heat exchange cooling device, an exhaust device of the vacuum drying tower and a grain discharge device, wherein a material enters the vacuum preheating bin, the vacuum drying bin and the vacuum cooling bin for respectively preheating, drying and cooling by the operation of the unloading valve through the hopper. The beneficial effects are that the exhaust device of the vacuum drying tower adopts a gap between an exhaust baffle plate and the inner wall of a bin body to achieve the effect of a gas buffer tank and the insulation effect of an insulation layer in the bin, and adopts an insulation material outside the bin body as an insulation layer, so that the temperature in the bin is not liable to drop; the heat conducting, cooling and heating speed in the bin is fast; the air exhaust and the moisture exhaust are fast; the vacuum degree in the bin is high; the moisture vaporization temperature is low; more heat energy needed by drying is reduced; more afterheat is used; the operation is simple; the drying time is shortened; the machining cost is largely reduced; the low-temperature drying guarantees the material quality; and the vacuum drying tower realizes green drying with energy conservation and emission reduction.
Description
Technical field
The present invention relates to be a kind of drying plant, specifically a kind of vacuum drying tower.
Background technology
, using the drying of high temperature high wind, drying technology process is for the dryer of material drying, drying tower currently on the market
Following current, mixed flow, adverse current and combined hot blast carry out grain heat-drying, and whole drying course is gerotor type, there is drying plant volume
Greatly, heat utilization rate is low, power consumption is big, waste heat is not used, dry after poor quality, the problems such as drying time is long.
For such case, people employ vacuum drying technology, and vacuum is carried out to material under the vacuum state of low pressure
Low temperature drying, solves that hot blast temperature is high, inferior problem after drying materials；The heating of vacuum drying currently on the market is all
It is the metal comb radiating of laid parallel, heat conduction and heat radiation efficiency is low, and exhaust efficiency is low, the bad control of vacuum causes water vapor temperature
Degree is raised, and baking needed heat energy is increased by a lot, and waste heat is not used.
The content of the invention
The purpose of the present invention is to overcome the shortcomings of that existing vacuum drying technology is present, there is provided a kind of simple structure, heat conduction dissipate
The thermal efficiency is high, UTILIZATION OF VESIDUAL HEAT IN is high, exhaust efficiency high and low temperature dries materials quality vacuum drying tower high after drying；
Vacuum drying tower of the present invention is achieved through the following technical solutions, and vacuum drying tower is by dry vacuum container, vacuum
Pre-heating cabin, vacuum cooled storehouse, vacuum heat-conduction heat abstractor, discharge gate, the exhaust apparatus of vacuum drying tower, vacuum heat exchange radiating
Device, heat conducting pipe, hot recycle pump, hopper, support, delivery device composition；
1st, installation vacuum cooled storehouse, dry vacuum container, vacuum pre-heating cabin of the vacuum drying tower by support successively from bottom to top；
First position of the vacuum pre-heating cabin on drying tower；Dry vacuum container between vacuum pre-heating cabin and vacuum cooled storehouse, vacuum
Cooling storehouse is in drying tower lower position；There is discharge gate to fix between vacuum cooled storehouse, dry vacuum container, vacuum pre-heating cabin to connect
Connect；Vacuum cooled storehouse, dry vacuum container, vacuum pre-heating cabin are by support successively fixed support.
Described vacuum cooled storehouse, dry vacuum container, the making material of the warehouse of vacuum pre-heating cabin are the carbon steels of 3-25mm
Steel plate or be 3-25mm stainless-steel sheet；The insulation material that the outside of warehouse is installed plays insulation effect；
Vacuum cooled storehouse, dry vacuum container, the shape of cross section of vacuum pre-heating cabin are square shapes, or toroidal；Very
Empty cooling storehouse, dry vacuum container, the two ends of vacuum pre-heating cabin are cone-shapeds.
Described delivery device is made up of motor, gearbox, flap, chain, gear etc.；Flap is arranged on vacuum cooled
Storehouse, dry vacuum container, in the storehouse of vacuum pre-heating cabin, motor, gearbox, chain, gear are arranged on vacuum cooled storehouse, vacuum drying
Outside storehouse, the storehouse of vacuum pre-heating cabin；1st, flap is blade-carrying axle, and there are bearings at the two ends of axle, and one end is sealed in warehouse,
The other end extends gear is provided with the axle of warehouse；2nd, motor is operated by gearbox, chain, gear driven flap；3rd, arrange
Grain device is arranged on vacuum cooled storehouse, dry vacuum container, the lower end of vacuum pre-heating cabin；4th, delivery device is by vacuum cooled storehouse, true
The material dried in empty dryness storehouse, the storehouse of vacuum preheating is uniformly discharged downwards, and material can be dried uniformly, moisture content after drying
It is a standard.
2nd, vacuum pre-heating cabin upper end is installed with discharge gate, hopper successively, and lower end is fixedly connected vacuum by discharge gate
Dryness storehouse；Vacuum pre-heating cabin the inside is provided with vacuum heat exchange heat abstractor, the exhaust apparatus of vacuum drying tower, delivery device；Very
The catheter outlet of sky heat exchange heat abstractor, heat conduction import are extended outside the warehouse of vacuum pre-heating cabin, vacuum heat exchange radiating dress
The catheter outlet put, heat conduction import are connected to heater, heat-exchanger rig by heat conducting pipe；The exhaust apparatus of vacuum drying tower
Air exit is fixedly mounted on the warehouse outside of vacuum pre-heating cabin.
3rd, dry vacuum container the inside is provided with vacuum heat-conduction heat abstractor, the exhaust apparatus of vacuum drying tower, delivery device；
The catheter outlet of vacuum heat-conduction heat abstractor, heat conduction import extend in the outside of dry vacuum container warehouse, vacuum heat-conduction radiating
The catheter outlet of device, heat conduction import are connected to heater, heat-exchanger rig by heat conducting pipe；The exhaust apparatus of vacuum drying tower
Air exit be fixedly mounted on the outside of dry vacuum container warehouse.
4th, vacuum cooled storehouse lower end is sequentially installed with discharge gate and hopper, and upper end is fixedly connected by discharge gate
Dry vacuum container；Vacuum cooled storehouse the inside is provided with vacuum heat exchange heat abstractor, the exhaust apparatus of vacuum drying tower, row's grain dress
Put；The catheter outlet of vacuum heat exchange heat abstractor, heat conduction import are extended in the outside of vacuum cooled storehouse warehouse, and vacuum heat exchange dissipates
The catheter outlet of thermal, heat conduction import are connected to heater, heat-exchanger rig by heat conducting pipe；The exhaust dress of vacuum drying tower
The air exit put is fixedly mounted on the outside of vacuum cooled storehouse warehouse；
5th, catheter outlet, heat conduction import is connected to heat conducting pipe, can be used to for boiler, hot-blast stove, electric heater etc. to heat dress
Put, the heat energy produced by heat-exchanger rig carries out heat conduction, radiating, heating.
The making material of described support is metal；
Described discharge gate is the Impeller airlock of airproof high, or airproof discharge gate high；Discharge gate
Material is successively input into, is discharged, the operating air leakage of its airproof high is small, can keep vacuum certain in storehouse；
The making material of described heat conducting pipe is metal；Heat-conducting medium in heat conducting pipe be water or be conduction oil or
It is conductive fluid or is gas.
Described vacuum heat-conduction heat abstractor is the patent of my application（Number of patent application 201310466570.5,
201320620005.5）；The heat conduction import of vacuum heat-conduction heat abstractor is connected to heat conducting pipe, and the heat energy of heat conducting pipe passes through vacuum tube
Tube wall and thermal bracket make heat-conducting medium Quick-gasifying, the gas after gasification by body, thermal bracket and radiating fin to
Outer radiating and condense, condensed heat-conducting medium flows to the heat gasification again of the lower end of vacuum tube, the heat conduction in completion vacuum tube
Circulation；The heat conduction and heat radiation area of vacuum heat-conduction heat abstractor increased 8-30 times, further increase heat conduction, radiating rate.
Described vacuum heat exchange heat abstractor is the patent of my application（Number of patent application 201310536174.5,
201320687844.9）；The heat conduction import of vacuum heat exchange heat abstractor is heated by heat conducting pipe, cooling, and heat energy passes through heat conducting pipe
Heat conduction heating, cooling in into vacuum pre-heating cabin, reheated again through heat conducting pipe by catheter outlet after heating, radiating,
Radiating；The carrying out gone round and begun again exchanges heat, radiates, heating, defeated heat；Hot recycle pump is installed in the middle of heat conducting pipe, heat energy can be accelerated
Heat-transfer rate, thermal conversion efficiency is further lifted, and area of dissipation increased 8-30 times, expands cooling, the heat conduction of heat energy
Firing rate, heat energy transmission total amount is improved, and waste heat is utilized effectively, energy-conserving and environment-protective；
The exhaust apparatus of described vacuum drying tower is the patent of my application（Number of patent application 2014100000410,
2014200000651）；The exhaust apparatus of vacuum drying tower by exhaust transverse tube, standpipe, air exit and, exhaust apparatus branch
Frame, exhaust screen composition；Exhaust transverse tube lateral direction penetrating is connected between standpipe, exhaust screen, and exhaust screen is horizontal with exhaust
Pipe, standpipe are connected as an entirety；The upper end of exhaust screen is fixedly connected closing and is integrated with the inwall of warehouse, exhaust gear
The lower end of plate is fixedly connected with the inwall of warehouse by exhaust apparatus support, is not closed and is stayed mouth, is so easy to the impurity of material to glide
Without being sucked away；The exhaust apparatus of vacuum drying tower plays the work of gas buffer tank using the spacing of exhaust screen and warehouse inwall
With its interior heat-insulation layer that can also open a position, temperature Centralized is not easy to lose in warehouse；Air exit is fixedly mounted on the outer of warehouse
Face.
The stoving process flow of vacuum drying tower is：
1st, heat-conducting medium carries the radiating that heat energy is transferred in vacuum material drying tower storehouse through heat conducting pipe, makes in drying tower storehouse
Portion's temperature reaches required temperature；
2nd, after the material of drying will be needed to be transported to hopper, the operating through discharge gate enters vacuum pre-heating cabin；
3rd, operating of the material through discharge gate after being vented, vacuumizing, preheat, heat in vacuum pre-heating cabin enters true
Empty dryness storehouse；
4th, material in the dry vacuum container by exhaust, hydrofuge, vacuumize, heat conduction heating, dry after through discharge gate
Operating enters vacuum cooled storehouse；
5th, material discharges vacuum cooled storehouse after being vented, vacuumizing, exchange heat, cool down in cooling storehouse through discharge gate,
Thus complete the work of drying material in vacuum；
6th, the material heat energy in vacuum cooled storehouse is transmitted to vacuum pre-heating cabin by vacuum heat exchange heat abstractor, gives vacuum preheating
Material carries out heating preheating in the storehouse in storehouse, and the temperature of charge in vacuum cooled storehouse also obtains cooling down.
The present invention has the advantages that compared with prior art：The exhaust apparatus of vacuum drying tower using exhaust screen with
The spacing of warehouse inwall plays a part of gas buffer tank, may also operate as the insulation effect of storehouse inner thermal insulating layer, and it also uses storehouse
External insulation material does heat-insulation layer, and temperature is not easy to lose in storehouse；Successively be input into material, discharge by discharge gate, keeps storehouse
Interior certain vacuum；Heat conduction and heat radiation firing rate is fast in storehouse, and pumping hydrofuge is rapid, and the vacuum in storehouse is high, moisture vaporization temperature
Degree is low, dries the heat energy needed for drying and just reduces a lot；UTILIZATION OF VESIDUAL HEAT IN is more, drying course is simple to operate, when shortening drying
Between, processing cost is substantially reduced, low temperature drying ensure that the quality of material, be the green drying of energy-saving and emission-reduction.
Brief description of the drawings：
Fig. 1 is the structural representation of vacuum drying tower of the present invention；
Fig. 2 is the structure sectional view of vacuum drying tower of the present invention；
Fig. 3 is the vacuum heat-conduction heat abstractor sectional view of vacuum drying tower of the present invention；
Fig. 4 is the vacuum heat exchange heat abstractor sectional view of vacuum drying tower of the present invention；
Fig. 5 is the exhaust apparatus sectional view of the vacuum drying tower of vacuum drying tower of the present invention；
Specific embodiment：
The present invention is described further with reference to the accompanying drawings and examples.
Vacuum drying tower as shown in Figure 1 is by dry vacuum container（11）, vacuum pre-heating cabin（12）, vacuum cooled storehouse（13）、
Discharge gate（5）, heat conducting pipe（10）, hot recycle pump（6）, hopper（8）, support（9）, air exit（7）, heat conduction import（14）、
Catheter outlet（15）, delivery device（21）Composition；The dry tower of vacuum thing is by support（9）The vacuum of fixed installation successively from bottom to top is cold
But storehouse（13）, dry vacuum container（11）, vacuum pre-heating cabin（12）；Vacuum cooled storehouse（13）, dry vacuum container（11）, vacuum preheating
Storehouse（12）Between have discharge gate（5）It is fixedly connected, vacuum cooled storehouse（13）, dry vacuum container（11）, vacuum pre-heating cabin（12）
By support（9）Fixed support.
Described delivery device（21）Installed in vacuum cooled storehouse（13）, dry vacuum container（11）, vacuum pre-heating cabin（12）
Lower end position.
Vacuum cooled storehouse（13）, dry vacuum container（11）, vacuum pre-heating cabin（12）Warehouse（1）Making material be 12mm
Carbon steel steel plate；Warehouse（1）There is insulation material outside；
Vacuum cooled storehouse（13）, dry vacuum container（11）, vacuum pre-heating cabin（12）Shape of cross section be square shape；Vacuum
Cooling storehouse（13）, dry vacuum container（11）, vacuum pre-heating cabin（12）Two ends be cone-shaped.
Described support（9）Making material be metal；
Described discharge gate（5）It is airproof discharge gate high；
Described heat conducting pipe（10）Making material be metal, its shape of cross section is circular；Heat conducting pipe（10）Centre peace
Equipped with hot recycle pump（6）；Heat conducting pipe（10）Interior heat-conducting medium（19）It is water.
Vacuum pre-heating cabin as shown in Figure 2（12）Upper end is installed with discharge gate successively（5）, hopper（8）；Vacuum is pre-
Hot storehouse（12）The inside is provided with vacuum heat exchange heat abstractor（2）, vacuum drying tower exhaust apparatus（4）, delivery device（21）；Very
Sky heat exchange heat abstractor（2）Catheter outlet（15）, heat conduction import（14）In pre-heating cabin（12）Warehouse（1）Outside, vacuum
Heat exchange heat abstractor（2）Catheter outlet（15）, heat conduction import（14）By heat conducting pipe（10）It is connected to heater, heat exchange dress
Put；The exhaust apparatus of vacuum drying tower（4）Air exit（7）In vacuum pre-heating cabin（12）Warehouse（1）Outside.
Dry vacuum container as shown in Figure 2（11）Upper end is by discharge gate（5）It is fixedly connected vacuum pre-heating cabin（12）, under
End is by discharge gate（5）It is fixedly connected vacuum cooled storehouse（13）；Dry vacuum container（11）The inside is provided with vacuum heat-conduction radiating
Device（3）, vacuum drying tower exhaust apparatus（4）, delivery device（21）；Vacuum heat-conduction heat abstractor（3）Catheter outlet
（15）, heat conduction import（14）In dry vacuum container（12）Warehouse（1）Outside, vacuum heat-conduction heat abstractor（3）Heat conduction go out
Mouthful（15）, heat conduction import（14）By heat conducting pipe（10）It is connected to heater, heat-exchanger rig；The exhaust apparatus of vacuum drying tower
（4）Air exit（7）In dry vacuum container（11）Warehouse（1）Outside.
Vacuum cooled storehouse as shown in Figure 2（13）Lower end is installed with discharge gate successively（5）And hopper（8）；Vacuum
Cooling storehouse（13）The inside is provided with vacuum heat exchange heat abstractor（2）, vacuum drying tower exhaust apparatus（4）, delivery device（21）；
Vacuum heat exchange heat abstractor（2）Catheter outlet（15）, heat conduction import（14）In vacuum cooled storehouse（13）Warehouse（1）It is outer
Face, vacuum heat exchange heat abstractor（2）Catheter outlet（15）, heat conduction import（14）By heat conducting pipe（10）It is connected to heating dress
Put, heat-exchanger rig；The exhaust apparatus of vacuum drying tower（4）Air exit（7）In vacuum cooled storehouse（13）Warehouse（1）It is outer
Face.
Vacuum cooled storehouse（13）, dry vacuum container（11）, vacuum pre-heating cabin（12）Warehouse（1）It is 10mm to make material
Carbon steel steel plate；Vacuum cooled storehouse（13）, dry vacuum container（11）, vacuum pre-heating cabin（12）Shape of cross section be toroidal；Very
Empty cooling storehouse（13）, dry vacuum container（11）, vacuum pre-heating cabin（12）Two ends be cone-shaped；Warehouse（1）There is thermal insulating material outside
Material；
Described catheter outlet（15）, heat conduction import（14）It is connected to heat conducting pipe（10）, by heat-conducting medium（19）It is defeated
Send, for heat conduction, radiating, heating.
Vacuum heat-conduction heat abstractor as shown in Figure 3（3）Heat conduction import（14）It is connected to heat conducting pipe（10）, heat conducting pipe
（10）Interior heat-conducting medium（19）Heat energy by radiating fin outwards radiating after pass through heat conduction import（15）It is connected to heat conducting pipe
（10）Outflow.
Vacuum heat exchange heat abstractor as shown in Figure 4（2）Heat conduction import（14）By heat conducting pipe（10）Interior heat conduction is situated between
Matter（19）Heating, cooling, heat-conducting medium（19）Heat energy, cooling low temperature pass through heat conducting pipe（10）Into vacuum pre-heating cabin（12）、
Vacuum cooled storehouse（13）It is interior to material heat conduction heating, cooling, heating, the heat-conducting medium of radiating（19）Pass through catheter outlet afterwards
（15）Outflow.
The exhaust apparatus of vacuum drying tower as shown in Figure 5（4）By exhaust transverse tube（16）, standpipe（17）, be vented out
Mouthful（7）, exhaust apparatus support（20）And exhaust screen（18）Composition, exhaust screen（18）With exhaust transverse tube（16）, standpipe
（17）It is connected as an entirety；Exhaust screen（18）Upper end and warehouse（1）Inwall be fixedly connected closing and be integrated, exhaust gear
Plate（18）Lower end and warehouse（1）Inwall by exhaust apparatus support（20）It is fixedly connected, does not close and stay mouth；Air exit（7）
It is fixedly mounted on warehouse（1）Warehouse above.
Above is be described to vacuum drying tower provided by the present invention, specific case used herein is to this hair
Bright structural principle and implementation method is set forth, above example be only intended to help understand preparation method of the invention and
Its core concept, specific implementation be not limited to above-mentioned specific embodiment, those skilled in the art from above-mentioned design,
Without performing creative labour, done many variations all fall within protection scope of the present invention.
Claims (2)
1. a kind of vacuum drying tower, it is characterised in that：Vacuum drying tower is by dry vacuum container（11）, vacuum pre-heating cabin（12）, it is true
Empty cooling storehouse（13）, discharge gate（5）, heat conducting pipe（10）, vacuum heat-conduction heat abstractor（3）, vacuum drying tower exhaust apparatus
（4）, vacuum heat exchange heat abstractor（2）, hot recycle pump（6）, hopper（8）, support（9）, air exit（7）, heat conduction import（14）、
Catheter outlet（15）, delivery device（21）Composition；
Vacuum drying tower is by support（9）The fixed installation vacuum cooled of support successively storehouse from bottom to top（13）, dry vacuum container
（11）, vacuum pre-heating cabin（12）；
Delivery device（21）Installed in vacuum cooled storehouse（13）, dry vacuum container（11）, vacuum pre-heating cabin（12）Lower end position；
Delivery device includes motor, gearbox, flap, chain, gear；Flap is arranged on vacuum cooled storehouse, dry vacuum container, true
In the storehouse of empty pre-heating cabin, motor, gearbox, chain, gear are arranged on vacuum cooled storehouse, dry vacuum container, vacuum pre-heating cabin
Outside storehouse；Flap is blade-carrying axle, and there are bearings at the two ends of axle, and one end is sealed in warehouse, and the other end extends warehouse
Axle on gear is installed；Motor is operated by gearbox, chain, gear driven flap；Delivery device is by vacuum cooled storehouse, true
The material dried in empty dryness storehouse, the storehouse of vacuum preheating is uniformly discharged downwards；
Vacuum cooled storehouse（13）Lower end is sequentially installed with discharge gate（5）, hopper（8）；Vacuum cooled storehouse（13）The inside is provided with
Vacuum heat exchange heat abstractor（2）, vacuum drying tower exhaust apparatus（4）, delivery device（21）；Vacuum heat exchange heat abstractor（2）
Catheter outlet（15）, heat conduction import（14）In vacuum cooled storehouse（13）Warehouse（1）Outside,
Vacuum cooled storehouse（13）Interior vacuum heat exchange heat abstractor（2）Catheter outlet（15）, heat conduction import（14）By first
Heat conducting pipe（10）It is connected to vacuum pre-heating cabin（12）Interior vacuum heat exchange heat abstractor（2）；
Described discharge gate（5）It is the discharge gate of airproof high；Successively be input into material, discharge by discharge gate；
Dry vacuum container（11）Upper end is by discharge gate（5）It is fixedly connected vacuum pre-heating cabin（12）, lower end is by discharge gate（5）
It is fixedly connected vacuum cooled storehouse（13）；
Dry vacuum container（11）The inside is provided with vacuum heat-conduction heat abstractor（3）, vacuum drying tower exhaust apparatus（4）, row grain
Device（21）；Vacuum heat-conduction heat abstractor（3）Catheter outlet（15）, heat conduction import（14）In dry vacuum container（11）Warehouse
（1）Outside, vacuum heat-conduction heat abstractor（3）Catheter outlet（15）, heat conduction import（14）By the second heat conducting pipe（10）Even
It is connected to heater；
Vacuum pre-heating cabin（12）Upper end is sequentially installed with discharge gate（5）And hopper（8）；Vacuum pre-heating cabin（12）The inside is provided with
Vacuum heat exchange heat abstractor（2）, vacuum drying tower exhaust apparatus（4）, delivery device（21）；Vacuum heat exchange heat abstractor（2）
Catheter outlet（15）, heat conduction import（14）In vacuum pre-heating cabin（12）Warehouse（1）Outside, vacuum pre-heating cabin（12）In storehouse
Vacuum heat exchange heat abstractor（2）Catheter outlet（15）, heat conduction import（14）By the first heat conducting pipe（10）It is connected to vacuum
Cooling storehouse（13）Interior vacuum heat exchange heat abstractor（2）；
The exhaust apparatus of vacuum drying tower（4）By exhaust transverse tube（16）, standpipe（17）, air exit（7）, exhaust apparatus branch
Frame（20）And exhaust screen（18）Composition, exhaust screen（18）With exhaust transverse tube（16）, standpipe（17）Be connected as one it is whole
Body；Exhaust screen（18）Upper end and warehouse（1）Inwall be fixedly connected closing and be integrated, exhaust screen（18）Lower end and storehouse
Body（1）Inwall by exhaust apparatus support（20）It is fixedly connected, does not close and stay mouth；Air exit（7）It is fixedly mounted on warehouse（1）
Warehouse above；
The exhaust apparatus of vacuum drying tower（4）Air exit（7）It is fixedly mounted on vacuum cooled storehouse（13）, dry vacuum container
（11）, vacuum pre-heating cabin（12）Warehouse（1）Outside；
Described vacuum heat exchange heat abstractor（2）Catheter outlet（15）, heat conduction import（14）It is connected to the first heat conducting pipe（10）, lead to
Cross heat-conducting medium（19）Conveying, for heat conduction, radiating, heating；
Described vacuum heat-conduction heat abstractor（3）Catheter outlet（15）, heat conduction import（14）It is connected to the second heat conducting pipe（10）, lead to
Cross heat-conducting medium（19）Conveying, for heat conduction, radiating, heating；
Described vacuum heat-conduction heat abstractor（3）The second heat conducting pipe for being connected（10）Can be used to boiler, hot-blast stove, electric heating
Heat energy produced by device carries out heat conduction, radiating, heating；Second heat conducting pipe（10）Interior heat-conducting medium（19）It is water or is
Conduction oil or be gas；Second heat conducting pipe（10）Centre is provided with hot recycle pump（6）；
Vacuum heat-conduction heat abstractor（3）Heat conduction import（14）It is connected to the second heat conducting pipe（10）, the second heat conducting pipe（10）Interior
Heat-conducting medium（19）Heat energy by radiating fin outwards radiating after pass through catheter outlet（15）It is connected to the second heat conducting pipe（10）
Outflow；
Vacuum heat exchange heat abstractor（2）Heat conduction import（14）By the first heat conducting pipe（10）Interior heat-conducting medium（19）Heating,
Cooling, heat-conducting medium（19）Heat energy, cooling low temperature pass through the first heat conducting pipe（10）Into vacuum pre-heating cabin（12）, vacuum cooled
Storehouse（13）It is interior to material heat conduction heating, cooling, heating, the heat-conducting medium of radiating（19）Pass through catheter outlet afterwards（15）Stream
Go out；
The stoving process flow of vacuum drying tower is：Heat-conducting medium carries heat energy and is transferred to vacuum material drying tower storehouse through heat conducting pipe
Interior radiating, makes drying tower storehouse internal temperature reach required temperature；After the material of drying will be needed to be transported to hopper, through discharging
The operating of valve enters vacuum pre-heating cabin；Material is in vacuum pre-heating cabin through discharging after being vented, vacuumizing, preheat, heat
The operating of valve enters dry vacuum container；Material in dry vacuum container by exhaust, hydrofuge, vacuumize, heat conduction heating, drying
Operating by discharge gate enters vacuum cooled storehouse；Material is passed through in cooling storehouse after being vented, vacuumizing, exchange heat, cool down
Discharge gate discharge vacuum cooled storehouse, thus completes the work of drying material in vacuum；The material heat energy in vacuum cooled storehouse passes through
Vacuum heat exchange heat abstractor is transmitted to vacuum pre-heating cabin, and heating preheating, vacuum cooled are carried out to material in the storehouse of vacuum pre-heating cabin
The temperature of charge in storehouse also obtains cooling down.
2. a kind of vacuum drying tower according to claim 1, it is characterised in that：Vacuum cooled storehouse（13）, dry vacuum container
（11）, vacuum pre-heating cabin（12）By discharge gate（5）It is sequentially connected fixation, vacuum cooled storehouse（13）, dry vacuum container（11）, it is true
Empty pre-heating cabin（12）By support（9）Fixed support；Vacuum pre-heating cabin（12）Position on drying tower；Dry vacuum container（11）
In vacuum pre-heating cabin（12）With vacuum cooled storehouse（13）Between position, vacuum cooled storehouse（13）Position below drying tower.
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| CN201410000227.6A CN104764312B (en) | 2014-01-02 | 2014-01-02 | Vacuum drying tower |
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| CN104764312B true CN104764312B (en) | 2017-05-24 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105486046A (en) * | 2015-12-14 | 2016-04-13 | 张海娟 | Drum type vacuum drying machine with waste heat utilization function |
| CN105841472B (en) * | 2016-05-20 | 2018-07-31 | 李洪毅 | A kind of grain alternating temperature vacuum dryer and method |
| CN106679393B (en) * | 2017-01-20 | 2022-04-22 | 中国科学院理化技术研究所 | Grain drying system |
| CN108466383B (en) * | 2018-03-26 | 2020-06-16 | 天华化工机械及自动化研究设计院有限公司 | System for removing VOC (volatile organic compounds) from polypropylene granules and application method thereof |
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| CN104764312A (en) | 2015-07-08 |
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