CN106031525A - Cut tobacco expansion technology which can reduce medium loss - Google Patents
Cut tobacco expansion technology which can reduce medium loss Download PDFInfo
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- CN106031525A CN106031525A CN201510118076.9A CN201510118076A CN106031525A CN 106031525 A CN106031525 A CN 106031525A CN 201510118076 A CN201510118076 A CN 201510118076A CN 106031525 A CN106031525 A CN 106031525A
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- medium
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- cut tobacco
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/18—Other treatment of leaves, e.g. puffing, crimpling, cleaning
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a cut tobacco expansion technology which can reduce medium loss. The technology comprises following steps: (1) impregnating: impregnating cut tobacco in medium to obtain impregnated cut tobacco; (2) medium recovery: recovering liquid and gaseous medium; (3) conveying: loosing the impregnated cut tobacco, then quantitatively conveying the impregnated cut tobacco to a cut tobacco expansion device through vibration, and performing surface heating on the impregnated cut tobacco to make the liquid medium on the impregnated cut tobacco surface evaporate and vaporize; (4) expansion: heating the impregnated cut tobacco in the cut tobacco expansion device to make the liquid medium inside the impregnated cut tobacco evaporate and vaporize; the technology is characterized in (5) medium secondary recovery: recovering the gaseous medium in step (3) and/or (4) and compressing and condensing the gaseous medium and then storing the gaseous medium. According to the technology, the gaseous medium evaporated during the conveying and / or expending process of the impregnated cut tobacco is compressed and recovered, therefore, the loss due to vaporization of medium impregnated in the cut tobacco is greatly reduced and the recycling of medium is fulfilled; the problem of high cost of large medium consumption of the cut tobacco expansion system is solved.
Description
Technical field
The present invention relates to a kind of tobacco expanding technique, a kind of tobacco expanding technique reducing dielectric loss.
Background technology
One of tobacco expanding technology important research field being always tobacco business.Owing to expanded cut tobacco technology has bright
Aobvious economic benefit and social benefit, technique is extremely paid attention to by tobacco business, is allowed to obtain rapid popularization and application.
The present invention is directed to a kind of novel environment-friendly tobacco shred expansion equipment, this equipment utilization inflating medium (hereinafter referred to as " medium ")
Physical characteristic, under the conditions of the composite technologies such as certain temperature, pressure, time, tobacco shred is impregnated, makes
Inflating medium immerses in tobacco shred cell, and the tobacco shred after dipping is transported to microwave expansion device through closed system, at microwave
In resonator cavity, drastically rub, the collide heat of generation of the hydrone in tobacco shred promotes the extender in tobacco shred to evaporate, and pushes away
Dynamic tobacco shred cell wall expands outwardly, so that tobacco expanding, dielectric film filter recycles.
The inflating medium that this equipment is used is the KC-2A environmental protection inflating medium of independent research, its ODP
(ODP) being zero, the permeability of medium, the compatibility, stability and safety are good, and the tobacco shred expanded has filling
It is worth physical characteristic and the preferable compatibilities such as higher, whole cut rate is higher, aesthetic quality is preferable, tobacco expanding can be met
The needs of technique, meet countries tobacco industry long term growth requirement.
But this inflating medium boiling point is low, boiling point about 15 °, highly volatile under normal temperature environment, and due to the one-tenth of medium
This is higher so that the loss of medium accounts for about the 80% of operating cost, limits operation and the marketing of equipment.
Therefore, the present invention adopts consideration negative pressure pressure recovery method, and tobacco shred impregnates Jie of vaporization in the operation after tank
Matter reclaims, and reduces the loss of production process medium, reduces production cost.
Summary of the invention
Present invention aim to overcome that above-mentioned the deficiencies in the prior art, it is provided that a kind of to tobacco shred immersion adding after impregnating
During work, the medium of vaporization carries out the tobacco shred dipping expansion process reclaimed, and the present invention uses the basic structure of technical scheme
Think of is:
1, a kind of tobacco expanding technique reducing dielectric loss, including step:
(1) dipping: tobacco shred is impregnated in media as well formation tobacco shred immersion；
(2) dielectric film filter: reclaim the liquid in impregnating equipment and gaseous medium；
(3) conveying: after defeated for tobacco shred immersion loose process, quantitatively delivers to tobacco shred expansion equipment, simultaneously by vibrations
Tobacco shred immersion is carried out surface heating, makes tobacco shred immersion surface liquid medium carburation by evaporation；
(4) expand: tobacco shred immersion is heated in tobacco shred expansion equipment, makes the liquid within tobacco shred immersion be situated between
Matter carburation by evaporation, prepares expanded cut tobacco；It is characterized in that:
(5) medium secondary recovery: the gaseous medium of evaporation in recycling step (3) and/or (4), is situated between gaseous state
Matter compression condensation is storage after liquid.
Step (3) carries out gaseous medium recovery in the vacuum environment that pressure is 20kPa 50kPa.
Step (4) carries out gaseous medium recovery in the vacuum environment that pressure is 20kPa 50kPa.
Step (5) reclaims gaseous medium and uses compressor negative pressure to reclaim, and compressor pressure is 700kPa-1500kPa.
Step (5) described compression includes that gaseous medium Partial shrinkage in compressor is liquid medium, compressor pressure
For 700kPa-1500kPa.
Step (5) described condensation includes that the gaseous state after compressing and liquid medium are lowered the temperature in water-cooled condenser, makes gas
State medium is condensed into liquid medium, condensate temperature be 10 ° 15 °.
Step (5) described purification includes condensed liquid medium stratification, extracts liquid medium and discharges not
Solidifying gas.
Step (5) storage includes that the liquid medium after purifying is stored in sending into medium hold-up tank.
Step (4) expansion process uses microwave heating, and microwave source uses 20Kw, the microwave tube of frequency 915MHz.
Medium step (2) and step (5) reclaimed recycles for step (1) tobacco shred immersion.
After using technique scheme, it is achieved that the recycling use of tobacco shred vaporized media after dipping, it is substantially reduced
The service wear of inflating medium, successfully solves the problem that dielectric loss is big.
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of tobacco expanding technique reducing dielectric loss of the present invention
Fig. 2 is the schematic diagram of the embodiment of the present invention
Fig. 3 is transmission equipment schematic diagram in the embodiment of the present invention
Fig. 4 is microwave expansion equipment schematic diagram in the embodiment of the present invention
Fig. 5 is embodiment of the present invention medium wave bloating plant left view
Fig. 6 is transmission equipment and the connection diagram of tobacco shred expansion equipment in the embodiment of the present invention
Fig. 7 is the another kind of embodiment of the present invention
Fig. 8 is the another kind of embodiment of the present invention
Impregnating autoclave 100, conveying equipment 200, tobacco shred expansion equipment 300, exhaustor 4, vacuum compressor 5, secondary is situated between
Matter recovery tube 6, condenser 61, pressure medium basin 62, dielectric film filter pipe 7, medium surge tank 71, thermal coagulation tank
72, cold coagulation tank 73, medium shower 8, thermal medium recovery tube 9, medium basin 10, rotary valve 11, medium meter
Measuring tank 12, gaseous medium recovery tube 13, upper chamber 210, lower chamber 220, loosening device 230, air vent 211,
Tobacco shred storage cabinet 222, shake groove 223, belt conveyor 224, heater 225, expanding chamber 310, observation window 311, illumination
Lamp 312, microwave heating chamber 321, microwave radiation mouth 322, microwave conveying pipe 323, microwave source 324, operation window 325,
Feed belt 330, air vent 301, expanding chamber entrance 302, expansion chamber exit 303.
Detailed description of the invention
After in prior art, tobacco shred tobacco shred has impregnated, the medium in impregnating equipment is reclaimed.Cigarette after dipping
Silk entrance conveying equipment, through conveying equipment break up vibrations laggard enter microwave heating equipment, in microwave equipment heat
Make the media expansion vaporization being immersed within tobacco shred, make tobacco shred volume increase the effect reaching expanded cut tobacco.But
Tobacco shred surface after dipping is stained with medium, is also saturated with inflating medium inside tobacco shred, and these inflating mediums are in transmitting procedure
In stick in the medium on tobacco shred surface and can vaporize a volatilization part, microwave expansion equipment sticks in the medium on tobacco shred surface
With the medium being immersed within tobacco shred can whole carburation by evaporations, all run off after the vaporization of these media and enter air, no
Reclaim.Causing a large amount of wastes of medium, inflating medium consumption is greatly increased, and inflating medium is expensive, cigarette
The cost that silk produces is greatly improved exerts heavy pressures on.
As it is shown in figure 1, the present invention consider increase step (5) medium secondary recovery: recycling step (3) and/or (4)
The gaseous medium of middle evaporation, is to store after liquid by gaseous medium compression condensation.
Concrete mode is, reclaims, the dielectric gas of vaporization defeated in the transportation section of tobacco shred immersion and expansion arc
Send and set up exhaustor 4 on equipment 200 and tobacco shred expansion equipment 300 and negative pressure device is bled.
Ensure to reclaim purity in view of recovering effect, avoid inclusion of air as far as possible, must be to conveying equipment 200 and tobacco shred
Bloating plant 300 carries out airtight.Under conditions of pressure is the least, gaseous medium is easier to be diffused with and beneficially reclaims.Examine
Considering to practical condition, arranging evacuation pressure is 20kPa-50kPa.Therefore step (3) and (4) at pressure are
Gaseous medium recovery is carried out in the vacuum environment of 20kPa 50kPa.
Preferred embodiment:
As in figure 2 it is shown, this sends out a kind of, embodiment tobacco shred impregnates expansion system, including conveying equipment 200, described conveying
Equipment 200 top is provided with impregnating autoclave 100, and described conveying equipment 200 lower end is connected with tobacco shred expansion equipment 300,
Described impregnating autoclave 100 bottom is connected with medium basin 10 by dielectric film filter pipe 7, described impregnating autoclave 100 top and
Medium basin 10 is connected by medium shower 8, it is characterised in that described conveying equipment 200 and/or described tobacco shred
Bloating plant 300 is connected with a negative pressure equipment by exhaustor 4, and the outlet of described negative pressure equipment is returned by secondary media
Closed tube 6 is connected with medium basin 10.
Concrete, described negative pressure equipment is a vacuum compressor 5, its object is to produce negative pressure and to the gaseous state extracted out
Medium is compressed processing, and promotes gaseous medium to be condensed into liquid medium at relatively high temperatures.
About the selection of vacuum compressor 5 compression horsepower, need to consider the main cause of dielectric loss.Tobacco expanding is situated between
The loss of matter is relevant with the saturated vapor pressure of the air capacity of the system of entrance and medium itself.
In order to calculate the dielectric loss amount during compression process, need first to determine the sky of entrance system confined space
Tolerance.The calculating of air license amount has two kinds of situations, and one is that single work follows after system works multiple circulations
The air capacity of closed system is entered in ring；Another kind is the sky entering cold airtight system in system first job circulates
Tolerance.The value of calculation of the previous case is less, for the sake of guarding, calculates by latter event.
Seal space in conveying equipment and tobacco shred expansion equipment and need to ensure that pressure, at 20kPa-50kPa, can enter airtight system
The air capacity of system has two parts:
(1) system confined space air of residual after injection evacuates.Sealing Arrangement gross space is based on 50m3, then
Evacuation pressure estimation according to 20kPa, tolerance is 50 × 0.2 × 1.205=12.05kg.
(2) at the static seal and movable sealing of Sealing Arrangement, leak into the air of equipment.According to " chemical process safety hands
Volume-the first volume " table 19-38 give the empirical relation of vacuum system volume and leakage rate, such as following table:
According to this table, Sealing Arrangement gross space is 50m3, and corresponding air leakage rate is about 5～10kg/h, it is considered to
Linkage section and the leakage of pipeline, at leakage quantity total in the cycle of operation of 1h based on 7.95kg.For single batch expanded cut tobacco
For, air total amount is estimated as 12.05+7.95=20kg.
Condensation temperature presses 14 DEG C of calculating, and the dividing potential drop that saturated vapor pressure is 98kPa, i.e. medium of corresponding medium is:.
Media discharge amount calculates according to air total amount, saturated vapor pressure and compression pressure, if compression pressure is, then air divides
Pressure is:, owing to Van der Waals constant and the virial coefficient of medium vapour are difficult to obtain, but in the case of pressure is the highest,
Calculating by ideal gas, error is limited, therefore, obtains according to The Ideal-Gas Equation:
Compression pressure 0.7MPa (700kPa)
Medium amount in discharge gas is
Compression pressure 1.0MPa (1000kPa)
Medium amount in discharge gas is
Compression pressure 1.5MPa (1500kPa)
Medium amount in discharge gas is
Knowable to above-mentioned result of calculation, when compression pressure is 0.7MPa, the 300kg expanded cut tobacco that single batch is produced, it is situated between
Matter waste is 15.04kg, the most original 112kg, and medium consumption percentage ratio is dropped to 5.0% by 37.2%, effect
Very notable, if compression pressure improves again, then dielectric loss amount can be lower.But consider vacuum compressor 5 performance and set
Standby economy, is set to 0.7MPa by compression stress more reasonable.700kPa-1500kPa can be selected in view of practical situation
Interval.
Therefore step (5) reclaims gaseous medium and uses compressor negative pressure to reclaim, compressor pressure is 700kPa-1500kPa.
Concrete, the secondary media recovery tube 6 that vacuum compressor 5 outlet connects is provided with condenser 61.Its
Purpose is, the gaseous medium part after compressor compresses is condensed into liquid but there is also part gaseous medium,
It is carried out condensation process, and concrete condenser 61 uses water-cooled, and water temperature is at 10-15 °, because vacuum compressor
5 pressure provided, therefore need not the lowest temperature and whole media just can be condensed into liquid, but liquid now
Medium is also mixed with part on-condensible gas and condensation water must process further.
Concrete, set in the described secondary media recovery tube 6 part between condenser 61 and medium basin 10
It is equipped with pressure medium basin 62.It is intended that due to be mixed with in condensed liquid medium on-condensible gas and
Condensing water, liquid medium stratification in pressure medium basin 62 after condensing, liquid medium, in lower floor, condenses
Water is in middle level, and on-condensible gas, on upper strata, is discharged and condensed water and on-condensible gas, the liquid medium after being purified.Liquid
State medium is delivered to medium basin 10 through secondary media recovery tube 6 and is recycled.
In order to realize more preferable gaseous medium recovering effect, make the doping air that gaseous medium removal process is the fewest
And impurity, need transmission equipment and tobacco shred expansion equipment 300 are optimized setting.In conveying equipment 200 and leaching
The junction of stain tank 100 seals, and the connecting portion between the chamber up and down of conveying equipment 200 carries out seamless
Seal and arrange.And in conveying equipment 200, add heater 225.Microwave expansion equipment is arranged expanding chamber 310,
And conveying equipment 200 and expanding chamber 310 and coupling part thereof are sealed, reduce being mixed into air as far as possible, and
Negative pressure is utilized to improve gaseous medium recovering effect.
Concrete, conveying equipment 200 includes upper chamber 210 and lower chamber 220, described top as described in Figure 3
Connected by loosening device 230 seamless seal between chamber 210 and lower chamber 220.The mesh that seamless seal connects
Be to prevent the loss of inclusion of air and gaseous medium.The purpose arranging upper chamber 210 is, cigarette after dipping
Silk is saturated with medium after impregnating autoclave 100 falls, and due to the pressure effect in impregnating autoclave 100, between tobacco shred
Very compact is bulk, if directly carrying out microwave expansion process, tobacco shred group can be heated uneven, and glue mutually
Even extruding affects expansion effect.Medium not enough evaporation of being heated simultaneously is insufficient, result also in the unboiled of part residual
Medium enters subsequent technique and causes medium loss waste.Therefore first it is carried out loose process after tobacco shred immersion goes out tank.
Concrete, as it is shown on figure 3, be provided with tobacco shred storage cabinet 222, tobacco shred storage cabinet 222 in described lower chamber 220
Lower section is provided with the groove 223 that shakes, described in shake and belt conveyor 224 be installed, in described lower chamber 220 also in groove 223
Heater 225 is set.It is intended that the tobacco shred after loose process enters microwave expansion equipment, if the amount entered is too
Greatly, then heat insufficient expansion effect poor, if inlet is very little, waste microwave resource.Therefore need to make tobacco shred quantitative
Enter microwave expansion equipment.Arrange tobacco shred storage cabinet 222 can make loose after tobacco shred immersion in tobacco shred storage cabinet 222
Temporary, and discharged by storage cabinet outlet equal and quantitative.Falling into the belt conveyor 224 shaken in groove 223, shake groove 223
Effect be pine and to utilize rhythmic vibrations to make on belt conveyor 224 tobacco shred enter micro-that tobacco shred is shaken further
The amount of ripple bloating plant keeps stable.The purpose arranging heater 225 in lower chamber 220 is so that tobacco shred surface
Liquid medium vaporization is there is, in the case of not affecting tobacco shred impregnated inside medium recoverable amount with tobacco shred gap so that
The medium vaporization as much as possible on tobacco shred surface, with the non-vapour avoided after expansion process in tobacco shred surface and tobacco shred gap
Change medium entrance subsequent technique and cause medium loss waste.
Concrete, described upper chamber 210 and/or lower chamber 220 are provided with air vent 211, described aerofluxus
Mouth 211 is connected with exhaustor 4.Its object is to carry out back the gaseous medium of release in each processing link above-mentioned
Receive.Thus achieve and the gaseous medium in conveying equipment 200 is reclaimed.Can only upper chamber 210 or only under
Portion's chamber 220 arranges air vent 211, all can play the effect reclaiming gaseous medium, but be respectively provided with air vent simultaneously
The effect of 211 is more preferable.The present invention is preferably respectively provided with air vent 211 in upper chamber 210 and lower chamber 220
Scheme.
Tobacco shred expansion equipment 300 is optimized, it is considered to by tobacco shred expansion equipment 300 as in separate space,
Carrying out sealing and set up the barrier systems preventing inclusion of air, concrete arranges an expanding chamber 310, expansion chamber exit 303
Realize sealing by rotary valve 11, expanding chamber 310 offered air vent 301, connect exhaustor 4 to negative pressure device,
Collection that realization seals and gaseous medium is bled.
Concrete, as shown in Figure 4 and Figure 5, described tobacco shred expansion equipment 300 includes expanding chamber 310, is arranged on swollen
Transmission feed mechanism in swollen room 310 and heating arrangements, described expansion chamber exit 303 is provided with rotary valve 11, institute
Stating and be provided with air vent 301 on expanding chamber 310, described air vent 301 is connected with exhaustor 4.It is intended that
Expanding chamber 310 is set and sets up a separate space, expanding chamber 310 is imported and exported and uses sealing valve seamless link to seal,
Realize the sealing of tobacco shred expansion equipment 300.General's transmission feed mechanism and heating arrangements, as in expanding chamber 310, pass
Material conveying mechanism feeding tobacco-thread heats through heating arrangements, and medium vaporization is collected in expanding chamber 310, and by swollen
Air vent 301 on swollen room 310 reclaims.
Further, as shown in Figure 6, between described upper chamber 210 entrance and impregnating autoclave 100, seamless seal connects
Connecing, described lower chamber 220 is exported and is connected by rotary valve 11 between expanding chamber 310 entrance, described lower chamber
Room 220 outlet is connected with rotary seal valve seamless seal, described expanding chamber 310 entrance and rotary valve 11 seamless seal
Connecting, described expansion chamber exit 303 is connected with rotary valve 11 seamless seal.According to above-mentioned setting, to system each
Parts junction uses seamless seal to connect, and achieves sealing between conveying equipment 200 and impregnating autoclave 100, conveying
Achieving sealing between equipment 200 and tobacco shred expansion equipment 300, tobacco shred expansion equipment 300 outlet achieves sealing,
Thus whole system all parts achieves sealing.Prevent air to enter, prevent the loss of medium simultaneously.
Described heating arrangements includes the microwave heating chamber 321 being arranged in expanding chamber 310, described microwave heating chamber
Being provided with microwave radiation mouth 322 on 321, described microwave radiation 322 mouthfuls is by microwave conveying pipe 323 and microwave source 324
Connecting, described transmission feed mechanism is a feed belt 330 passing described microwave heating chamber 321.Described transmission
Belt 330 one end extends to below expanding chamber entrance 302, and tobacco shred immersion falls through rotary valve 11 from conveying equipment
On feed belt 330, feed belt carries tobacco shred immersion through microwave heating chamber 321, feed belt 330 another
End extends to, above expansion chamber exit 303, tobacco shred be sent expanding chamber 310.
The heating arrangements that the present embodiment is used is microwave heating, the big merit of single tube that microwave heating mechanism of the present invention uses
Rate microwave magnetron reaches 20Kw, frequency 915MHz as microwave source 324, specially single tube power.And existing skill
Art use low power microwave magnetron only have 0.75Kw, wavelength 2450MHz.Microwave heating chamber 321 needs to set
Put multiple microwave unit, bring a lot of inconvenience to installation and maintenance, and uniformity is the best.
915MHz contrasts 2450MHz microwave source advantage: penetration power is higher, compares 2450MHz and improves to 3 times；
Single tube is high-power, and pipe consumption is few, safeguards simpler；Conversion usefulness is higher > 80%, 2450MHz only has 50%～60%,
Transformation energy improves 20%.
The present embodiment uses single tube high-power microwave source 324, decreases microwave source 324 quantity, and at microwave
The microwave radiation mouth 322 of various different angles is set on heating chamber 321 so that microwave is uniformly distributed in chamber,
Heats is good, and it is outside that microwave source 324 is arranged on expanding chamber 310, easy to maintenance.
Further, described expanding chamber 310 is provided with observation window 311 and illuminating lamp 312, described microwave heating chamber
Operation window 325 it is provided with on room 321.Its object is to be easy to observe, expansion effect, machine operation, as gone out
Existing problem can on-call maintenance.
Further, by dielectric film filter pipe 7, medium basin 10 is connected for the dielectric film filter in impregnating autoclave 100,
But containing impurity in the medium of tobacco shred after Jin Zi.Be additionally provided with purifying plant on described dielectric film filter pipe 7, belonging to carry
Pure device is the medium surge tank 71 being arranged on dielectric film filter pipe 7 along dielectric film filter direction, thermal coagulation tank 72 and cold
Coagulation tank 73, described thermal coagulation pot bottom by thermal medium recovery tube 9 and dielectric film filter pipe 7 be positioned at cold coagulation tank with
Part between medium basin 10 connects, and is additionally provided with a gaseous medium and returns between described impregnating autoclave 100 and thermal coagulation tank
Closed tube 13.
Above-mentioned purification process is, liquid medium, at gas-liquid mixture phase, is recovered to be situated between by the medium in impregnating autoclave 100
Matter surge tank 71, in medium surge tank 71, saturated vapor walks tube side, and liquid medium walks shell side, makes liquid medium fast
The heated vaporization of speed, the gaseous medium after preliminary purification enters thermal coagulation tank 72, and heat setting cans picking is built with the heat of 70 °
Water, after being lowered the temperature gaseous medium by thermal coagulation tank 72, gaseous medium enters cold coagulation tank 73, from cold coagulation tank
The cold water temperature of 73 top sprays is about 12 °, and medium and part current after liquefaction pass through thermal medium recovery tube 9
Enter medium basin 10.Water and dielectric stratifying in medium basin 10, layer dielectric recycles, after upper water cooling
Do cooling to recycle.
Liquid medium reclaims complete, and by gaseous medium pipe, gaseous medium in impregnating autoclave 100 is recovered to thermal coagulation tank
72, cooling preliminary to gaseous medium, condensed by shower water entering cold coagulation tank 73.Finally by dielectric film filter
Pipe 7 enters medium basin 10.
Further, also include that medium measuring tank 12, described medium measuring tank 12 are connected with medium shower 8.
The purpose arranging medium measuring tank 12 is, the pure medium that in Extraction medium basin 10, lower floor is purified exists
Measuring tank is with stand-by, it is ensured that medium purity, it is possible to the consumption of metered media.
Other embodiments:
As shown in FIG. 7 and 8, other two kinds of embodiments, described negative pressure equipment can be connected with only conveying equipment 200 or
Only be connected with tobacco shred expansion equipment 300, it is also possible to be simultaneously connected with both, as shown in Figure 2 the present invention preferably both
The embodiment being simultaneously connected with.
Embodiment in above-described embodiment can be further combined or replace, and embodiment is only to the present invention
Preferred embodiment be described, not the spirit and scope of the present invention are defined, are setting without departing from the present invention
On the premise of meter thought, various changes that in this area, technical scheme is made by professional and technical personnel and changing
Enter, belong to protection scope of the present invention.
Claims (10)
1. reduce a tobacco expanding technique for dielectric loss, including step:
(1) dipping: tobacco shred is impregnated in media as well formation tobacco shred immersion；
(2) dielectric film filter: reclaim the liquid in impregnating equipment and gaseous medium；
(3) conveying: after defeated for tobacco shred immersion loose process, quantitatively delivers to tobacco shred expansion equipment, simultaneously by vibrations
Tobacco shred immersion is carried out surface heating, makes tobacco shred immersion surface liquid medium carburation by evaporation；
(4) expand: tobacco shred immersion is heated in tobacco shred expansion equipment, makes the liquid within tobacco shred immersion be situated between
Matter carburation by evaporation, prepares expanded cut tobacco；It is characterized in that:
(5) medium secondary recovery: the gaseous medium of evaporation in recycling step (3) and/or (4), is situated between gaseous state
Matter compression condensation is storage after liquid.
2. reduce the tobacco expanding technique of dielectric loss according to claim 1 one kind, it is characterised in that step (3)
Gaseous medium recovery is carried out in the vacuum environment that pressure is 20kPa 50kPa.
3. reduce the tobacco expanding technique of dielectric loss according to claim 1 one kind, it is characterised in that step (4)
Gaseous medium recovery is carried out in the vacuum environment that pressure is 20kPa 50kPa.
4. reduce the tobacco expanding technique of dielectric loss according to claim 1 one kind, it is characterised in that step (5)
Reclaiming gaseous medium uses compressor negative pressure to reclaim, and compressor pressure is 700kPa-1500kPa.
5. reduce the tobacco expanding technique of dielectric loss according to claim 1 one kind, it is characterised in that step (5)
Described compression includes that gaseous medium Partial shrinkage in compressor is liquid medium, and compressor pressure is 700kPa
-1500kPa。
6. reduce the tobacco expanding technique of dielectric loss according to claim 1 one kind, it is characterised in that step (5)
Described condensation includes that the gaseous state after compressing and liquid medium are lowered the temperature in water-cooled condenser, makes gaseous medium be condensed into
Liquid medium, condensate temperature be 10 ° 15 °.
7. reduce the tobacco expanding technique of dielectric loss according to claim 1 one kind, it is characterised in that step (5)
Described purification includes, by condensed liquid medium stratification, extracting liquid medium and discharging on-condensible gas.
8. reduce the tobacco expanding technique of dielectric loss according to claim 1 one kind, it is characterised in that step (5)
Storage includes that the liquid medium after purifying is stored in sending into medium hold-up tank.
9. reduce the tobacco expanding technique of dielectric loss according to claim 3 one kind, it is characterised in that step (4)
Expansion process uses microwave heating, and microwave source uses 20Kw, the microwave tube of frequency 915MHz.
10. reduce the tobacco expanding technique of dielectric loss according to claim 1 one kind, it is characterised in that by step
(2) recycle for step (1) tobacco shred immersion with the medium that reclaims of step (5).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118076.9A CN106031525A (en) | 2015-03-18 | 2015-03-18 | Cut tobacco expansion technology which can reduce medium loss |
| PCT/CN2015/094778 WO2016145892A1 (en) | 2015-03-18 | 2015-11-17 | Cut-tobacco expansion process which reduces medium loss |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118076.9A CN106031525A (en) | 2015-03-18 | 2015-03-18 | Cut tobacco expansion technology which can reduce medium loss |
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| CN106031525A true CN106031525A (en) | 2016-10-19 |
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| CN201510118076.9A Pending CN106031525A (en) | 2015-03-18 | 2015-03-18 | Cut tobacco expansion technology which can reduce medium loss |
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| WO (1) | WO2016145892A1 (en) |
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| CN111864328A (en) * | 2019-04-26 | 2020-10-30 | 深圳市骄冠科技实业有限公司 | Recyclable radio frequency resonant cavity assembly and manufacturing process and application thereof |
| CN115148007A (en) * | 2022-06-28 | 2022-10-04 | 江苏中烟工业有限责任公司 | Tobacco storage cabinet early warning method and device, electronic equipment and storage medium |
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