CN108534466A - A kind of continous way superheat steam drying device and its drying means - Google Patents
A kind of continous way superheat steam drying device and its drying means Download PDFInfo
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- CN108534466A CN108534466A CN201810479660.0A CN201810479660A CN108534466A CN 108534466 A CN108534466 A CN 108534466A CN 201810479660 A CN201810479660 A CN 201810479660A CN 108534466 A CN108534466 A CN 108534466A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
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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
- F26B11/18—Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in moving dishes, trays, pans, or other mainly-open receptacles
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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
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- 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
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
A kind of continous way superheat steam drying device of present invention offer and its drying means, including superheated steam producer, superheated steam heat riser, superheat steam pipeline and drier, superheated steam producer is connect with superheated steam heat riser, and superheated steam heat riser is connect by jet chimney with drier.Charging spout and steam (vapor) outlet are equipped at the top of drier, steam outlet is provided with air-introduced machine.Drier is internally provided with transmission device, and transmission device is equipped with boiling and drying chamber, and boiling and drying chamber is equipped with steam inlet, and steam inlet is connect with jet chimney, and boiling and drying chamber is moved as transmission device is driven.Drier bottom is equipped with batch turning room, upper rotary switch, lower rotary switch and air inlet, and air inlet is equipped with air blower；Its external setting temperature control device.Continous way superheat steam drying device provided by the invention, it is simple in structure, it is skillfully constructed, it is easy to use, it can realize the continuous drying of material, and drying efficiency is high.
Description
Technical field
The invention belongs to drying equipment technical fields, and in particular to a kind of continous way superheat steam drying device and its drying
Method.
Background technology
Superheated steam is a kind of temperature higher than saturation point or the steam of boiling point, and steam is from the wet process temperature for being saturated to dry saturation
What degree was increased without, but dry saturation continues to heat later then temperature and can constantly rise, steam is in overheat conditions easily by itself
Latent heat pass to material, to realize heated drying process.Compared with hot-air, the coefficient of heat conduction and thermal capacity of superheated steam
Higher is, it can be achieved that quickly heating.In addition, different from other heat mediums, moisture evaporation in material to itself steam（Overheat is steamed
Vapour）In diffusional resistance is not present, which can improve rate of drying.The principle of fluidized drying is to utilize to blow from fluidized-bed bottom
The thermal current entered makes particle suspend, and such as " boiling-like ", the bounce of material considerably increases evaporating surface, and thermal current is outstanding for fluidisation rolling
Pass through between floating particle, carries out heat exchange in a dynamic state, take away moisture, reach drying purpose.It is dry using superheated steam as boiling
Dry heat source, can be improved rate of drying.However current superheated steam equipment can not continuous production, it is large-scale to constrain it
Industrial use, is badly in need of the superheated steam device of serialization.
Invention content
It is to be solved by this invention be existing superheated steam equipment can not continuous production the technical issues of, provide a kind of continuous
Formula superheat steam drying device and its drying means.
In order to solve the technical problem of the present invention, the present invention is achieved by the following technical solutions：A kind of continous way mistake
Hot steam drying device, including superheated steam producer 1, superheated steam heat riser 2, superheat steam pipeline 3 and drying machine
Structure 4, the superheated steam producer 1 are connect with the superheated steam heat riser 2, and the superheated steam heat riser 2 is logical
Superheat steam pipeline 3 is crossed to connect with the drier 4；It is provided with air-introduced machine 421 at the superheated steam outlet 42；It is described dry
Dry mechanism 4 is internally provided with transmission device 43, and the transmission device 43 is equipped with crawler belt 431, at least provided with 1 on the crawler belt 431
A boiling and drying chamber 432, the boiling and drying chamber are equipped with superheated steam entrance 31, and superheat steam pipeline 3 is that main steam is passed through
Pipeline has more laterals（Such as steam inlet 31）, lateral is directly connected in boiling and drying chamber；The superheated steam enters
Mouth 31 is connect with the superheat steam pipeline 3, and heat source of the superheated steam as fluidized drying, thermal current makes particle suspend, hot gas
Stream passes through between the particle of suspension, carries out heat exchange in a dynamic state, takes away moisture, improves rate of drying；The boiling and drying chamber
432 move as transmission device 43 is driven；4 bottom of the drier is equipped with batch turning room 45, upper rotary switch 44, lower rotation
Switch 46（Switch is rotated up and down to realize closed-loop operation by rotation opening）；421 preceding pipeline of air-introduced machine is plugged with filter cotton 12, uses
In preventing material dust from sucking in air-introduced machine 42, the wind being discharged at air-introduced machine 42 is by opening third control valve 52, closing the 4th
Control valve 1 is entered the wind from the air inlet 53 from Steam Recovery pipeline 5 to superheated steam heat riser 2, for enhancing flow of superheated steam
Speed reaches boiling effect；It is used for pressure in testing agency equipped with pressure gauge 11 in drier；It is discharged from air-introduced machine 421
Wind enters in drier 4, pressure in drier 4 can be caused to increase, if 4 too high pressure of drier, can pass through pass
Third control valve 52 is closed, opens the 4th control valve 51 to make the steam of discharge not enter in drier 4, to reduce drying machine
Pressure in structure 4；Temperature control device 6 is arranged in 4 outside of the drier, can be carried out according to the superheat steam temperature in drier 4
Heating stops heating, and precise control of temperature makes dry materials effect optimize.
Preferably, the transmission device 43 includes crawler belt 431, boiling and drying chamber 432 and rotating wheel 433, the rotating wheel
433 drive the crawler belt 431 to be driven, and to drive boiling and drying chamber 432 to move, realize the continuous drying of material.
Preferably, it is equipped with the first control valve 7 between the superheated steam producer 1 and superheated steam heat riser 2, uses
In control superheat steam flow.
Preferably, the superheat steam pipeline 3 is equipped with thermometer 8, flow close to described 2 one end of superheated steam heat riser
Meter 9 and the second control valve 10, the measurement of the thermometer 8 are passed through superheat steam temperature, and the measurement of flowmeter 9 is passed through flow of superheated steam
Amount, the control of the second control valve 10 are passed through superheat steam flow.
Preferably, the superheated steam heat riser 2 includes heating device 21, and the heating device 21 is in by heating copper tube
S types are constituted, and 21 outer layer of the heating device is surrounded by thermal insulation layer.
Preferably, the drier 4 is heat preservation closed box, can be kept the temperature to the superheated steam in drier.
Preferably, the upper rotary switch 44 and lower rotary switch 46 are to be made of two blocks of stainless steel shoes respectively, pass through
Rotary switch 44 closes lower rotary switch 46 in unlatching, and material is fallen into the sky between upper rotary switch 44 and lower rotary switch 46
Between in, when material is full of the 3/4 of space, turns off rotary switch 44 and open lower rotary switch 46 and release material, repeat
This operation, you can material serialization in confined conditions charging and discharging are realized, to realize the continuous of material under confined conditions
Change operation.
The drying means of continous way superheat steam drying device, includes the following steps：
The first step：Close first control valve（7）With open the second control valve（10）, the superheated steam producer（1）
The superheated steam of generation passes through the superheated steam heat riser（2）And superheat steam pipeline（3）, from superheated steam entrance（31）
Into the boiling and drying chamber（432）, drier is discharged by being passed through steam（4）Interior residual air simultaneously makes in drier
Temperature reach required temperature.
Second step：Pass through charging spout（41）Material is added, material enters boiling and drying chamber（432）, superheated steam and material
It comes into full contact with, dry；By controlling the 4th control valve（51）, third control valve（52）Push And Release and check pressure gauge（11）To control
Drier processed（4）Interior pressure.
Third walks：It is driven by transmission device 43, when the boiling and drying chamber 432 turns to lower section, the object after drying
Material pours into batch turning room 45 automatically；
4th step：Pass through the upper rotary switch of unlatching（44）Close lower rotary switch（46）, material is fallen into upper rotary switch（44）
With lower rotary switch（46）Between space in, when material be full of space 3/4 when, turn off rotary switch（44）Under unlatching
Rotary switch（46）Material is released, this operation is repeated, realizes material serialization in confined conditions charging and discharging.
Preferably, it is 1min ~ 5min that the material comes into full contact with the time in the boiling and drying chamber 432 with superheated steam,
The material optimal drying time of 20% moisture is 2min.
Compared with prior art, the beneficial effects of the invention are as follows：
（1）Using superheated steam as drying source, due to the oxygen-free environment of superheated steam, easy high temperature oxygen in material will not be destroyed
The active nutrient component of change, and superheated steam processing can improve the recovery rate of material total phenolics, increase the biological utilisation of material
Rate；Superheated steam controls superheated steam as a kind of steam that can control temperature and humidity simultaneously when material is handled
Humidity makes material quick-fried waist will not occur because psychrometric difference is excessive in processing.
（2）Using the design of upper rotary switch and lower rotary switch, carried out by the upper and lower rotary switch of rotation either on or off
Discharging, to realize the continuous operation of material under confined conditions；Batch turning room between upper rotary switch and lower rotary switch is
The closed interval of temperature controllable and humidity is poured into batch turning room after dry materials, by controlling the temperature and humidity of batch turning room,
The temperature and humidity for carrying out control material, prevent material directly contact room temperature, are cracked greatly because temperature is crossed with psychrometric difference.
（3）It is combined using superheat steam drying and fluidized drying, using superheated steam as the heat source of fluidized drying, is utilized
Particle is set to suspend from thermal current, the bounce of material considerably increases evaporating surface, and thermal current passes through between the particle of suspension, in dynamic
Moisture is taken away in lower carry out heat exchange, realizes drying, greatly improves rate of drying.
（4）A kind of continous way superheat steam drying device of present invention offer and drying means are arranged in drier and pass
Device is sent, realizes the continuous drying of material.
The present invention provides a kind of continous way superheat steam drying device, simple in structure, is skillfully constructed, easy to use, can
It realizes the continuous drying of material, and drying efficiency is fast, greatly shortens the production cycle, improve production efficiency.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Reference numeral：1, superheated steam producer；2, superheated steam heat riser；21, heating device；3, superheated steam
Pipeline；31, superheated steam entrance；4, drier；41, charging spout；42, steam (vapor) outlet；421, air-introduced machine；43, transmission device；
431, crawler belt；432, boiling and drying chamber；433, rotating wheel；44, upper rotary switch；45, batch turning room；46, lower rotary switch； 5、
Steam Recovery pipeline；51, the 4th control valve；52, third control valve；53, air inlet；6, temperature control device；7, the first control valve；8、
Thermometer；9, flowmeter；10, the second control valve；11, pressure gauge；12, filter cotton.
Specific embodiment
Below in conjunction with the accompanying drawings, embodiment is described in detail.
Embodiment 1：
Referring to attached drawing 1, a kind of continous way superheat steam drying device, including superheated steam producer 1, superheated steam heating dress
2, superheat steam pipeline 3 and drier 4 are set, the superheated steam producer 1 connects with the superheated steam heat riser 2
It connects, the superheated steam heat riser 2 is connect by superheat steam pipeline 3 with the drier 4；The drier 4 pushes up
Portion is equipped with charging spout 41 and steam (vapor) outlet 42, and air-introduced machine 421 is provided at the superheated steam outlet 42；The drier
（4）It is internally provided with transmission device（43）, the transmission device（43）It is equipped with crawler belt（431）, the crawler belt（431）On at least set
There is 1 boiling and drying chamber（432）The boiling and drying chamber is equipped with superheated steam entrance 31, the superheated steam entrance 31 and institute
State the connection of superheat steam pipeline 3, superheat steam pipeline（3）It is that main steam is passed through pipeline, there are more laterals（Such as steam inlet
31）, lateral is directly connected in boiling and drying chamber；Heat source of the superheated steam as fluidized drying, thermal current make particle suspend,
Thermal current passes through between the particle of suspension, carries out heat exchange in a dynamic state, takes away moisture, improves rate of drying；The boiling is dry
It is moved as transmission device 43 is driven dry room 432；4 bottom of the drier be equipped with batch turning room 45, upper rotary switch 44, under
Rotary switch 46 and air inlet 53 carry out discharging, to real by rotary switch 44, lower rotary switch 46 in rotation either on or off
The now continuous operation of material under confined conditions；Air-introduced machine（421）Preceding pipeline is plugged with filter cotton（12）, for preventing material dust
Suck air-introduced machine（42）In, air-introduced machine（42）Locate the wind of discharge by opening third control valve（52）, close the 4th control valve
（51）From Steam Recovery pipeline（5）The air inlet at place（53）To superheated steam heat riser（2）Air inlet, for enhancing superheated steam
Flow velocity reaches boiling effect；Pressure gauge is housed in drier（11）For pressure in testing agency；At air-introduced machine (421)
The wind of discharge enters drier（4）It is interior, drier can be caused（4）Interior pressure increases, if drier（4）Interior pressure mistake
Height, then can be by closing third control valve（52）, open the 4th control valve（51）To make the steam of discharge not enter drier
（4）It is interior, to reduce drier（4）Interior pressure；Temperature control device 6 is arranged in 4 outside of the drier, can be according to drier
Superheat steam temperature in 4 is heated or stops heating, precise control of temperature, and dry materials effect is made to optimize.
Further, the transmission device 43 includes crawler belt 431, boiling and drying chamber 432 and rotating wheel 433, the rotation
Wheel 433 drives the crawler belt 431 to be driven, and to drive boiling and drying chamber 432 to move, realizes the continuous drying of material.
Further, the first control valve 7 is equipped between the superheated steam producer 1 and superheated steam heat riser 2,
For controlling superheat steam flow.
Further, the superheat steam pipeline 3 is equipped with thermometer 8, stream close to described 2 one end of superheated steam heat riser
Gauge 9 and the second control valve 10, the measurement of the thermometer 8 are passed through superheat steam temperature, and the measurement of flowmeter 9 is passed through flow of superheated steam
Amount, the control of the second control valve 10 are passed through superheat steam flow.
Further, the superheated steam heat riser 2 includes heating device 21, and the heating device 21 is by heating copper tube
S-type composition, 21 outer layer of the heating device are surrounded by thermal insulation layer.
Further, the drier 4 is heat preservation closed box, can be kept the temperature to the superheated steam in drier.
Further, the upper rotary switch 44 and lower rotary switch 46 are made of two blocks of stainless steel shoes respectively, are led to
Cross the upper rotary switch of unlatching（44）Close lower rotary switch（46）, material is fallen into upper rotary switch（44）With lower rotary switch
（46）Between space in, when material be full of space 3/4 when, turn off rotary switch（44）Open lower rotary switch（46）
Material is released, this operation is repeated, you can material serialization in confined conditions charging and discharging are realized, to realize closed item
The continuous operation of material under part.
Superheated steam is generated by the superheated steam producer 1, is controlled flow by the first control valve 2, was entered
Hot steam heat riser 2 improves vapor (steam) temperature, and the measurement of flowmeter 9 is passed through superheat steam flow, and the measurement of thermometer 8 is passed through overheat and steams
Stripping temperature, the control of the second control valve 10 are passed through superheat steam flow, and superheated steam is passed through pipeline 3 by superheated steam and enters overheat
Steam inlet 31, hence into boiling and drying chamber 432, the wind being discharged at air-introduced machine 421 is by opening third control valve 52, closing
4th control valve 51 is entered the wind from the air inlet 53 from pipeline 5 to the superheated steam heat riser 2, for enhancing flow of superheated steam
Speed reaches boiling effect.After superheated steam with material by coming into full contact with, exported from the air-introduced machine 421 of superheated steam outlet 42
Out, by closing third control valve 52, opening the 4th control valve 51 makes superheated steam be discharged, and separately uses it for anything else..
Material passes through rotating wheel into boiling and drying chamber 432 by charging spout 41 after being come into full contact with superheated steam
432 rotations, when boiling and drying chamber 432 rotate in place in 431 lower section of crawler belt, material pours into batch turning room 45 automatically, passes through unlatching
Upper rotary switch 44 closes lower rotary switch 46, and material is fallen into upper rotary switch（44）With lower rotary switch（46）Between sky
Between in, when material is full of the 3/4 of space, turns off rotary switch 44 and open lower rotary switch 46, to realize closed
Under the conditions of the serialization of material feed intake and discharge.
Case study on implementation 2：
Fresh rice bran is taken, superheated steam enters boiling and drying chamber by superheat steam pipeline 3, and residual air in hothouse is discharged
And when reaching requirement temperature, by charging spout 41 be added rice bran come into full contact with into boiling and drying chamber 432 with rice bran, rice bran with
160 DEG C of superheated steam comes into full contact with 1min, is rotated by rotating wheel 433, and lower rotation is closed by the upper rotary switch 44 of unlatching
Rice bran is fallen into upper rotary switch by switch 46（44）With lower rotary switch（46）Between space in, when by 4min, rice bran fills
It when expiring the 3/4 of space, turns off rotary switch 44 and opens lower rotary switch 46, to realize rice bran serialization charging and go out
Material.
Rice bran comes into full contact with 1min in boiling and drying chamber 432 and 160 DEG C of superheated steam, and rice bran moisture can from 15%
10% is reduced to hereinafter, lipase active reduces by 80% ~ 85% in rice bran, microorganism viable bacteria number is 0 in rice bran, preservation 300 days
Content of fatty acid is less than 0.3mg/g afterwards, reaches the standard of two level rice bran.In addition, the total phenolics recovery rate of rice bran improves 6% in addition.
Case study on implementation 3：
Take fresh rice, superheated steam enters boiling and drying chamber by superheat steam pipeline 3, and residual air is discharged in hothouse simultaneously
When reaching requirement temperature, fresh rice is added by charging spout 41, into boiling and drying chamber 432, is come into full contact with rice, rice
Superheated steam with 180 DEG C comes into full contact with 1min, is rotated by rotating wheel 433, when boiling and drying chamber 432 rotate in place in crawler belt
When 431 lower section, rice pours into batch turning room 45 automatically, closes lower rotary switch 46 by the upper rotary switch 44 of unlatching, rice is fallen
Enter upper rotary switch（44）With lower rotary switch（46）Between space in, when by 4min, when rice is full of the 3/4 of space,
It turns off rotary switch 44 and opens lower rotary switch 46, to realize rice serialization charging and discharging.
After rice and 180 DEG C of superheated steam come into full contact with 2min in splicing storehouse, moisture can be reduced from 15%
To 6% ~ 7% or so, total phenolics recovery rate improves 5.2%, and quick-fried waist does not occur for rice.
Listed above is only one of specific embodiments of the present invention.It is clear that the invention is not restricted to which above example, may be used also
With there are many similar reshapings.What those skilled in the art directly can export or associate from present disclosure
All deformations, are considered as invention which is intended to be protected.
Claims (8)
1. a kind of continous way superheat steam drying device, including superheated steam producer（1）, superheated steam heat riser（2）、
Superheat steam pipeline（3）And drier（4）, the superheated steam producer（1）With the superheated steam heat riser（2）
Connection, the superheated steam heat riser（2）Pass through superheat steam pipeline（3）With the drier（4）Connection；Its feature exists
In：The drier（4）Top is equipped with charging spout（41）And steam (vapor) outlet（42）, the superheated steam outlet（42）Place's setting
There is air-introduced machine（421）；The drier（4）It is internally provided with transmission device（43）, the transmission device（43）It is equipped with crawler belt
（431）, the crawler belt（431）On at least provided with 1 boiling and drying chamber（432）, the boiling and drying chamber bottom is equipped with overheat and steams
Vapour entrance（31）, the superheated steam entrance（31）With the superheat steam pipeline（3）Connection, superheat steam pipeline（3）It is main
Steam is passed through pipeline, there is more laterals（Such as steam inlet 31）, lateral is directly connected in boiling and drying chamber；The boiling
Rise hothouse（432）As transmission device is driven（43）And it moves；The drier（4）Bottom is equipped with batch turning room（45）, on
Rotary switch（44）, lower rotary switch（46）；Air-introduced machine（421）Preceding pipeline is plugged with filter cotton（12）, for preventing material dust
Suck air-introduced machine（42）In, air-introduced machine（42）Locate the wind of discharge by opening third control valve（52）, close the 4th control valve
（51）From Steam Recovery pipeline（5）The air inlet at place（53）To superheated steam heat riser（2）Air inlet, for enhancing superheated steam
Flow velocity reaches boiling effect；Pressure gauge is housed in drier（11）For detecting pressure in drier；From air-introduced machine
(421) wind being discharged at enters drier（4）It is interior, drier can be caused（4）Interior pressure increases, if drier（4）It is interior
Hypertonia, then can be by closing third control valve（52）, open the 4th control valve（51）To make the steam of discharge not enter back into
Drier（4）It is interior, to reduce drier（4）Interior pressure；The external drier（4）Outside setting temperature control device
（6）, for controlling the drier（4）Temperature.
2. a kind of continous way superheat steam drying device as described in claim 1, it is characterised in that：The transmission device（43）
Including crawler belt（431）, boiling and drying chamber（432）And rotating wheel（433）, the rotating wheel（433）Drive the crawler belt（431）It passes
It is dynamic, the boiling and drying chamber（432）Bottom is that can be passed through the aperture of steam, and material particles are more than small aperture, will not leak out
Boiling and drying chamber.
3. a kind of continous way superheat steam drying device as described in claim 1, it is characterised in that：The superheated steam occurs
Device（1）With superheated steam heat riser（2）Between be equipped with the first control valve（7）, for controlling superheat steam flow.
4. a kind of continous way superheat steam drying device as described in claim 1, it is characterised in that：The superheat steam pipeline
（3）Close to the superheated steam heat riser（2）One end is equipped with thermometer（8）, flowmeter（9）With the second control valve（10）.
5. a kind of continous way superheat steam drying device as described in claim 1, it is characterised in that：The superheated steam heating
Device（2）Including heating device（21）, the heating device（21）It is constituted by heating copper tube is S-type, the heating device（21）
Outer layer is surrounded by thermal insulation layer.
6. a kind of continous way superheat steam drying device as described in claim 1, it is characterised in that：The drier（4）
To keep the temperature closed box.
7. a kind of drying means of continous way superheat steam drying device as described in any claim in claim 1 to 6,
It is characterized by comprising the following steps：
The first step：Close first control valve（7）With open the second control valve（10）, the superheated steam producer（1）
The superheated steam of generation passes through the superheated steam heat riser（2）And superheat steam pipeline（3）, from superheated steam entrance（31）
Into the boiling and drying chamber（432）, drier is discharged by being passed through steam（4）Interior residual air simultaneously makes in drier
Temperature reach required temperature；
Second step：Pass through charging spout（41）Material is added, material enters boiling and drying chamber（432）, superheated steam is abundant with material
Contact, drying；By controlling third control valve（51）, the 4th control valve（52）Push And Release and check pressure gauge（11）It is dry to control
Dry mechanism（4）Interior pressure；
Third walks：Pass through transmission device（43）Transmission, when the boiling and drying chamber（432）When turning to lower section, the object after drying
Material pours into batch turning room automatically（45）In；
4th step：Pass through the upper rotary switch of unlatching（44）Close lower rotary switch（46）, material is fallen into upper rotary switch（44）
With lower rotary switch（46）Between batch turning room（45）In, when material is full of the 3/4 of space, turn off rotary switch（44）
Open lower rotary switch（46）Material is released, repeat this operation, you can realize material serialization in confined conditions charging with
Discharging.
8. the drying means of continous way superheat steam drying device as claimed in claim 7, it is characterised in that the material exists
Boiling and drying chamber（44）It is interior that come into full contact with the time with superheated steam be 1min ~ 5min, the optimal drying of material of 20% moisture
Time is 2min.
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| CN201810479660.0A CN108534466A (en) | 2018-05-18 | 2018-05-18 | A kind of continous way superheat steam drying device and its drying means |
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| CN201810479660.0A CN108534466A (en) | 2018-05-18 | 2018-05-18 | A kind of continous way superheat steam drying device and its drying means |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115060069A (en) * | 2022-04-14 | 2022-09-16 | 河南工业大学 | Bran heat treatment device and method |
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