CN104664583B - Novel fluidization bed warming and humidifying machine for tobacco scrap prodn - Google Patents
Novel fluidization bed warming and humidifying machine for tobacco scrap prodn Download PDFInfo
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- CN104664583B CN104664583B CN201510073849.6A CN201510073849A CN104664583B CN 104664583 B CN104664583 B CN 104664583B CN 201510073849 A CN201510073849 A CN 201510073849A CN 104664583 B CN104664583 B CN 104664583B
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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
- A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
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Abstract
Novel fluidization bed warming and humidifying machine for tobacco scrap prodn, the groove that shakes is carried including jet temperature and humidity regulation system and material, material carries the groove rear end that shakes and is provided with material inlet, material conveying is shaken and is respectively equipped with jet channel and lower jet channel, upper jet channel and lower jet channel above and below groove and is equipped with row's air nozzle along material conveying direction.The present invention is directed to papermaking-method reconstituted tobaccos processing characteristics and achieve its independent throwing, concise in technology, energy resource consumption is low, production environment dust is little, abnormal flavour is few, reproduces tobacco shred width and length is uniform, laxity is good, effective rate of utilization is high, effectively maintain reconstituted tobacco fragrance, improve aesthetic quality.
Description
Technical field
The invention belongs to technical field of tobacco processing, be specifically related to a kind of Novel fluidization bed warming and humidifying machine for tobacco scrap prodn.
Background technology
Existing papermaking-method reconstituted tobaccos technique is the solid-liquid separation that the tobacco materials such as cabo, offal and tobacco cut carry out after soaking, extracting soluble substance；Insoluble matter carries out pulling an oar, manufacturing paper with pulp and make fiber chip base, and carries out first drying, and soluble substance is applied in fiber chip base after concentrating, and is carrying out secondary drying, and the bar web reconstituted tobacco after drying is dried after beating sheet again, last packing and binding.Tobacco shred jointly it is processed into according to formula for a product design proportion and natural tobacco during production of cigarettes.
Papermaking-method reconstituted tobaccos has the following characteristics that 1. papermaking-method reconstituted tobaccos is different from tobacco tissue structure, and Nicotiana tabacum L. upper and lower surface is distributed one layer of hydrophobic wax coat and a small amount of pore, and its cross section is honeycomb；Reconstituted tobacco upper and lower surface does not has hydrophobic layer, does not has gas cell distribution yet, and cross section is a homogeneous structure, seldom has gas cell distribution.Due to reconstituted tobacco and the difference of tobacco tissue structure, there is larger difference in its moisture pick-up properties and moisture absorption rate, larger difference is there is in the moisture content cause moisture regain that throwing processes, the operation (such as: vacuum conditioning, loosening and gaining moisture, charging, warming and humidifying and be dried) such as being dried with Nicotiana tabacum L., cause material water ratio fluctuation in moisture regain, dry run bigger, and production is difficult to accurately control, working procedure processing quality and moisture in cut tobacco stability after impact.Through test determination, reconstituted tobacco moisture content after vacuum conditioning is low compared with Nicotiana tabacum L. by 1.1%, reconstituted tobacco moisture content after loosening and gaining moisture is low compared with Nicotiana tabacum L. by 0.98%～2.46%, and after storage leaf, reconstituted tobacco moisture content is low compared with Nicotiana tabacum L. by 1%～3%, and cut tobacco is dried, and to reproduce the more natural tobacco shred of moisture content of cut tobaccos low by 1.0%.
2. there is larger difference in papermaking-method reconstituted tobaccos shear strength, tensile strength etc. and Nicotiana tabacum L., and on the one hand when in tobacco leaf formulation, reconstituted tobacco ratio is higher, existing filament cutter is difficult to shredding；On the other hand sheet is easily run time due to reconstituted tobacco shredding, need higher cutter door pressure, cause the tobacco shred laxity cut out poor, silk moisture content of outlet uniformity is dried in impact, also have impact on reproduce tobacco shred width uniformity and its uniformity being distributed in cigarette simultaneously because easily run sheet during reconstituted tobacco shredding, finally affect cigarette quality stability.Through test determination, reproducing tobacco shred meristic variation coefficient in different cigarettes is 20.77%～22.6%.
The most existing papermaking-method reconstituted tobaccos technology for making tobacco threds technology is to be mixed together throwing with Nicotiana tabacum L., processing flow process, parameter and equipment and fail to be processed for reconstituted tobacco characteristic, the condition setting of processing can not effectively play reconstituted tobacco potential quality and use value, reconstituted tobacco fragrance loss after throwing processing is relatively big, and aesthetic quality is totally deteriorated.
4. reconstituted tobacco effective rate of utilization relatively low (measuring through pilot production, reconstituted tobacco effective rate of utilization during production of cigarettes is many below 90%, and Nicotiana tabacum L. effective rate of utilization has reached 93%).Its reason one is through moisture regain, charging and dried in Primary Processing, few fibers departs from from reconstituted tobacco, becomes " flying fibre " and offal, both have impact on reconstituted tobacco utilization rate and cigarette machine production efficiency, the aerial diffusion that simultaneously " flies fibre ", also result in environmental pollution；Two is that the long filament that reproduces in tobacco shred after shredding, drafting, race sheet are more, and in coiling process, long filament is easily wound around conglomeration, is difficult to by cigarette machine elater roller loose, causes part conglomeration long filament, drafting to be rejected by cigarette machine；Three is owing to reconstituted tobacco moisture pick-up properties is poor, for meeting the Nicotiana tabacum L. processing quality requirement at silk producing procedures such as getting damp again, feed and be dried, the moisture content of reconstituted tobacco is less than each procedure technology requirement, cause reconstituted tobacco to produce in Primary Processing and make broken, screened out by the screening link in Primary Processing or dust pelletizing system is taken away.Four are as the application that brand cigarette is grouping Processing technology, mix allotment of labor's skill for existing and are difficult to meet product design and processing request.
Chinese patent " a kind of independent technology for making tobacco threds based on papermaking-method reconstituted tobaccos processing characteristics and equipment " (CN102178337A) discloses a kind of independent throwing of just papermaking-method reconstituted tobaccos and mixes the technique joined and equipment carrying out, and this technique comprises the following steps that: unpacks, shovel piece, loose, moisture regain, shredding, be dried, mix allotment of labor's sequence.This equipment includes case unpacker, shovel piece machine, higher-order of oscillation hog shred, damping machine, filament cutter, cylinder cut tobacco dryer, and each mechanism can individually set up, work alone, it is possible to combine, and is connected by material conveying and feeding mechanism.
Chinese patent " filament forming process for paper making method-based reconstituted tobacco and equipment thereof " (CN101828762A), disclose a kind of shredding process, this technique comprises the steps: (1) filamentation: using to cut for three times and the most first cut in flakes, then cut into bar, the method finally cutting filamentation carries out reconstituted tobacco filamentation；(2) be dried: by moisture content be 16%～20% reproduce tobacco shred by ration feeding machine feeding drum-type cut tobacco drying machine be dried, the dried moisture in cut tobacco that reproduces is 11%～13%；(3) mix and join: the dried tobacco shred that reproduces directly is mixed according to cigarette composition design proportion and joined in tobacco shred production line.
Chinese patent " papermaking-method reconstituted tobaccos independent shredding refining conveying technique and equipment thereof " (CN102068036A) discloses a kind of reconstituted tobacco shredding process and equipment, and its technical process is as follows: case fills thin slice, Kai Bao, group roller is loose, storehouse formula feeding, metering feeding, the groove that shakes carry, precompressed shredding.Low moisture papermaking-method reconstituted tobaccos of the present invention independent shredding refining conveying technique, the papermaking-method reconstituted tobaccos of 10-14% moisture is after conveying, enter the papermaking-method reconstituted tobaccos stability of flow of filament cutter, material state is consistent, guaranteeing papermaking-method reconstituted tobaccos shredding process continuous-stable, shredding quality meets technique and mixes and join requirement.
Chinese patent " uses method and the equipment thereof of producing cigarette by using cut tobacco reproduced through papermaking method ", and (CN102008122A) discloses and reproduces tobacco shred throwing and application process, comprise the following steps: that product reconstituted tobacco dressed up by (1) case, break up the laggard cabinet that puts in storage of reconstituted tobacco；(2) in the cabinet of storehouse, reconstituted tobacco, after promoting, controls reconstituted tobacco flow with belted electronic balance；(3) it is transported to down on along carrying through the groove that shakes equipped with the high-altitude of metal detector again；(4) reconstituted tobacco on suitable band that falls is fallen conveying and is shaken on groove, enters reconstituted tobacco filament cutter after prepressing device precompressed；(5) reconstituted tobacco enters buffer tank after selecting crude drugs with winnower removes dust, then measures vanning, prepares to mix to join use；(6) case dress reconstituted tobacco directly mixes with tobacco shred through mixing compounding silk system, after perfuming, and storage, roll into finished cigarettes.
Patent disclosed above has certain similarity, it is all case to fill reconstituted tobacco open bag, loose, moisture regain, shredding, be dried and mix and join, although preferably solve that papermaking-method reconstituted tobaccos and natural tobacco process existence jointly runs sheet, dust, the problem that flies fibre, utilization rate etc., but still suffer from problems with, (1) the independent shredding process of reconstituted tobacco is complicated, need to unpack, metering, loose, moisture regain, energy consumption is relatively big, invests more；(2) reconstituted tobacco surface tobacco particle and fiber is easy to fall off causes dust and fly fibre in Kai Bao, shredding, resurgence process, causes environment poor, and utilization rate lowers；(3) in reconstituted tobacco moisture regain, thermal histories, flavor matter is volatile, causes fragrance loss；(4) do not consider that reproducing tobacco shred is not added with the feed liquid that cigarette brand adapts, cause quality after reproducing tobacco shred blending to be varied from.Based on above reason, above patent is difficult to be applied aborning.
Summary of the invention
The present invention is to solve weak point of the prior art, it is provided that a kind of reconstituted tobacco manufacturing process is simple, effective rate of utilization is high, fragrance loss is few, make reproduce aroma of tobacco shreds keep, aesthetic quality promote the Novel fluidization bed warming and humidifying machine for tobacco scrap prodn.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that the Novel fluidization bed warming and humidifying machine for tobacco scrap prodn, the groove 24 that shakes is carried including jet temperature and humidity regulation system and material, material carries groove 24 rear end that shakes and is provided with material inlet 22, material conveying is shaken and is respectively equipped with jet channel 38 and lower jet channel 37, upper jet channel 38 and lower jet channel 37 above and below groove 24 and is equipped with row's air nozzle 23 along material conveying direction；
Jet temperature and humidity regulation system includes steam generator 39, air compressor 40, condensate recovering device 41, PID controller 25 and vapour gas blender 9；The venthole of steam generator 39 is connected with the steam inlet of vapour gas blender 9 by steam pipework, the gas outlet of air compressor 40 is connected with the air inlet of vapour gas blender 9 by compressed air line, the outlet of vapour gas blender 9 is connected with upper jet channel 38 and lower jet channel 37 respectively by air jet pipe 42, and air jet pipe 42 is sequentially provided with Pneumatic diaphragm valve 31, total electric heater 32 and mass flow meters 36 along airflow direction；
Described steam pipework includes the steam inlet tube 43 that two ends are connected respectively with steam generator 39 and vapour gas blender 9, it is sequentially provided with the first steam stop 33, steam-water separator 1, the second steam stop 2, vapor filter the 3, first steam gage 4, steam reducing valve the 5, second steam gage 6, steam-flow meter 7, steam pneumatic diaphragm control valve 8 and vapor (steam) temperature instrument 34 along steam flow direction on steam inlet tube 43；
Described compressed air line includes the compressed air inlet pipe 44 that two ends are connected respectively with air compressor 40 and vapour gas blender 9, it is sequentially provided with compressed air stop valve 16, compressed-air manometer 27, compressed air filtering pressure reducing valve 13, gas tank 35, check valve 10, electric airheater 26, mass air flow sensor 28, air pneumatic diaphragm control valve 29 and air themperature instrument 30 along airflow direction on compressed air inlet pipe 44, bottom gas tank 35, is provided with diaphragm valve 11；
The import of condensate recovering device 41 is connected by the outlet of condensing hot air furnace pipe 45 with steam-water separator 1: be sequentially provided with viewing-mirror 21, check-valves 20, drain valve 19, filter 18 and stop valve 17 along water (flow) direction on condensing hot air furnace pipe 45；
PID controller 25 is connected with steam-flow meter 7, steam pneumatic diaphragm control valve 8, mass air flow sensor 28, air pneumatic diaphragm control valve 29, air themperature instrument 30 and Pneumatic diaphragm valve 31 by control signal wire respectively.
The first aperture regulation pipe 46 it is provided with between described steam pneumatic diaphragm control valve 8 and compressed air inlet pipe 44, the entrance point of the first aperture regulation pipe 46 is connected between the compressed-air manometer 27 on compressed air inlet pipe 44 and compressed air filtering pressure reducing valve 13, and the first aperture regulation pipe 46 is sequentially provided with aperture filtering pressure reducing valve 15, two-bit triplet electromagnetic valve 14 and ball valve 12 along airflow direction；First aperture regulation pipe 46 connects between ball valve 12 and steam pneumatic diaphragm control valve 8 the second aperture regulation pipe 47, and the other end of the second aperture regulation pipe 47 is connected with air pneumatic diaphragm control valve 29.
Use technique scheme, use the independent technology for making tobacco threds of the applicable papermaking-method reconstituted tobaccos factory of the present invention, comprise the following steps:
(1), storage: coating is dried to moisture content 14%～19% reproduce smoked sheet sheet after send in storage cabinet and carry out water balance and caching；
(2), shredding: utilize the professional filament cutter adapting to reconstituted tobacco characteristic that sheet and shreds is cut into the sheet and shreds of 0.7～1.1mm；
(3), charging: cut rear sheet and shreds and enter charger applying feed liquid through flow control system, utilize the features such as sheet and shreds short texture, surface area are big, absorption rate is fast, use cold feed technique, room temperature feeds, charging medium can be steam or compressed air, on the one hand can reduce feed liquid loss, on the other hand prevent from reproducing tobacco shred and be heated and cause flavor matter to lose；Added feed liquid is coating fluid or brand feed liquid, adds the Weight control of feed liquid 1～5%, and after charging, moisture control is 15～22%；
(4), temporary: after charging, sheet and shreds entrance cabinet is kept in, and period of storage controlled at 10～120 minutes；
(5), warming and humidifying: being sent to by sheet and shreds in Novel fluidization bed warming and humidifying machine, humid air pressure 0.2～0.5MPa, compressed air is 7:3 with the ratio of steam, and temperature increases to 35～65 DEG C, and moisture content lowers 3 percentage points or increases by 3 percentage points；
(6), dry silk: by moisture content be 16～22% the tobacco shred that reproduces send into drum-type cut tobacco drying machine by ration feeding machine and be dried, during being dried, make to reproduce tobacco shred formed and crimp, the dried moisture content of cut tobaccos that reproduces is 11%-13%；
(7), purify: carry out selecting crude drugs with winnower and purification by reproducing tobacco shred after drying through winnower, remove offal and defective tobacco shred；
(8), mix and join: directly carry out mixing joining with other tobacco shred according to cigarette composition design proportion by the dried tobacco shred that reproduces.
Warming and humidifying process in described step (5) is particularly as follows: sheet and shreds is entered into material conveying by material inlet 22 shakes and carried by after forward direction in groove 24, steam is input in vapour gas blender 9 by steam pipework, compressed air is input in vapour gas blender 9 by compressed air line, by manipulation PID controller 25, steam, compressed air or the blender in vapour gas blender 9 is carried out temperature and humidity regulation, reach two-sided injection by the air nozzle 23 connected on upper jet channel 38 and lower jet channel 37.
Filament cutter in above-mentioned independent technology for making tobacco threds utilizes Kunming Shipbuilding Equipment Co., Ltd., the professional filament cutter adapting to reconstituted tobacco characteristic of Kumin Smoke Machine Group Second Machine Co., Ltd's exploitation.
Use above-mentioned independent technology for making tobacco threds for independent technology for making tobacco threds equipment, including the storage cabinet being arranged in order, filament cutter, charger, Novel fluidization bed warming and humidifying machine, cylinder cut tobacco dryer, winnower, recrater, each mechanism can individually set up, work alone, also may be combined, connected by material conveying and feeding mechanism between each mechanism.Wherein storage cabinet, filament cutter, winnower, recrater are industry mature equipment.
A kind of combination type leaf thread material feeding machine that wherein charger uses number of patent application to be 201310715676.4.This charger has feed liquid and smoked sheet is difficult to adhesion, the uniformity effective rate of utilization high of charging.
The temperature and humidity of the humid air in the present invention is controlled by entering the steam by entrance vapour gas blender and compressed-air actuated ratio and temperature thereof, it is provided with electric heater on compressed air line and air jet pipe, after cutting, reproduce cut tobacco warming and humidifying, there is the features such as favorable loosening effect, not legibility are fine, water uniformity is good.
The invention have the characteristics that: (1) two-sided injection.Above and below groove is shaken in material conveying, it is respectively equipped with jet channel and lower jet channel, uniformly sprays humid air to tobacco shred simultaneously, make tobacco shred be in half fluidized state, tobacco shred will be reproduced by the impact of humid air and the conveying of the groove that shakes loose.(2) humiture is adjustable.According to material warming and humidifying characteristic requirements, on the one hand can increase demand meeting different material moisture content with scalable steam valve size；On the other hand can enter the steam of vapour gas blender, compressed air ratio and the change of compressed-air actuated temperature by regulation and control the humiture characteristic of humid air, reach to meet different material moisture content and temperature is increased demand.
PID controller is used for regulating setting mass flow, setting outlet temperature, setting moisture content of outlet and set mixed gas flow.
The aperture size of steam pneumatic diaphragm control valve 8 and air pneumatic diaphragm control valve 29 is provided compressed air by air compressor, and aperture size is compressed air pressure size adjustment, so that steam pneumatic diaphragm control valve 8 and air pneumatic diaphragm control valve 29 reach the purpose accurately regulated by aperture filtering pressure reducing valve 15, two-bit triplet electromagnetic valve 14 and ball valve 12.
Cut-tobacco drier is improved by existing cylinder cut tobacco dryer and forms, and its basic structure is basically identical with existing cut-tobacco drier, but drum length shortens, and diameter becomes big, and length, diameter ratio is (1:4 ~ 6), the characteristic fast to adapt to papermaking-method reconstituted tobaccos moisture adsorption and releasing.
The present invention, relative to prior art, has the advantage that
The present invention is directed to papermaking-method reconstituted tobaccos processing characteristics and achieve its independent throwing, concise in technology, energy resource consumption is low, production environment dust is little, abnormal flavour is few, reproduces tobacco shred width and length is uniform, laxity is good, effective rate of utilization is high, effectively maintain reconstituted tobacco fragrance, improve aesthetic quality.
1., that reconstituted tobacco sheet is directly entered storage cabinet after being dried the moisture content being suitable for shredding to (14 19) % is standby, decreases packing, storage, then get the raw materials ready, open bag, loose, get damp again, the operation such as storage, shorten technological process, decrease energy consumption consumption, reduce investment, improve production environment；Be conducive to the holding of fragrance simultaneously；
2., sheet and shreds cold feed technique and combination type charger equipment are used, feed liquid and smoked sheet are difficult to the uniformity effective rate of utilization high adhering to, feeding, brand material can be added, it is beneficial to product should have, ensureing quality conformance, it is possible to add the tobacco extract in reconstituted tobacco production process, utilization can effectively solve to be coated with in thin slice production process the problems such as the highest, the feed liquid waste of filling rate, be equivalent to promote filling rate 5%, effectively promote sheet and shreds aesthetic quality；
3., using Novel fluidization bed warming and humidifying machine to carry out warming and humidifying, humid air pressure (0.2 0.5) MPa, compressed air is 7:3 with the ratio of steam, and temperature can increase to (35 65) DEG C, and moisture content can lower 3 percentage points or increase by 3 percentage points.Two-sided injection can improve loose effect and humidification uniformity, and it is big that humid air carries out warming and humidifying adjustable extent, prevents from reproducing tobacco shred hydrolysis；
4., for sheet and shreds silk moisture adsorption and releasing speed soon, existing cut-tobacco drier is not suitable with thin slice drying property, is shortened by drum length, and enlarged diameter, beneficially sheet and shreds are dried and crimp.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the flow chart of the independent technology for making tobacco threds of the applicable papermaking-method reconstituted tobaccos factory using the present invention.
Detailed description of the invention
As depicted in figs. 1 and 2, Novel fluidization bed warming and humidifying machine for tobacco scrap prodn, the groove 24 that shakes is carried including jet temperature and humidity regulation system and material, material carries groove 24 rear end that shakes and is provided with material inlet 22, material conveying is shaken and is respectively equipped with jet channel 38 and lower jet channel 37, upper jet channel 38 and lower jet channel 37 above and below groove 24 and is equipped with row's air nozzle 23 along material conveying direction；
Jet temperature and humidity regulation system includes steam generator 39, air compressor 40, condensate recovering device 41, PID controller 25 and vapour gas blender 9；The venthole of steam generator 39 is connected with the steam inlet of vapour gas blender 9 by steam pipework, the gas outlet of air compressor 40 is connected with the air inlet of vapour gas blender 9 by compressed air line, the outlet of vapour gas blender 9 is connected with upper jet channel 38 and lower jet channel 37 respectively by air jet pipe 42, and air jet pipe 42 is sequentially provided with Pneumatic diaphragm valve 31, total electric heater 32 and mass flow meters 36 along airflow direction；
Steam pipework includes the steam inlet tube 43 that two ends are connected respectively with steam generator 39 and vapour gas blender 9, it is sequentially provided with the first steam stop 33, steam-water separator 1, the second steam stop 2, vapor filter the 3, first steam gage 4, steam reducing valve the 5, second steam gage 6, steam-flow meter 7, steam pneumatic diaphragm control valve 8 and vapor (steam) temperature instrument 34 along steam flow direction on steam inlet tube 43；
Compressed air line includes the compressed air inlet pipe 44 that two ends are connected respectively with air compressor 40 and vapour gas blender 9, it is sequentially provided with compressed air stop valve 16, compressed-air manometer 27, compressed air filtering pressure reducing valve 13, gas tank 35, check valve 10, electric airheater 26, mass air flow sensor 28, air pneumatic diaphragm control valve 29 and air themperature instrument 30 along airflow direction on compressed air inlet pipe 44, bottom gas tank 35, is provided with diaphragm valve 11；
The import of condensate recovering device 41 is connected by the outlet of condensing hot air furnace pipe 45 with steam-water separator 1: be sequentially provided with viewing-mirror 21, check-valves 20, drain valve 19, filter 18 and stop valve 17 along water (flow) direction on condensing hot air furnace pipe 45；
PID controller 25 is connected with steam-flow meter 7, steam pneumatic diaphragm control valve 8, mass air flow sensor 28, air pneumatic diaphragm control valve 29, air themperature instrument 30 and Pneumatic diaphragm valve 31 by control signal wire respectively.
The first aperture regulation pipe 46 it is provided with between steam pneumatic diaphragm control valve 8 and compressed air inlet pipe 44, the entrance point of the first aperture regulation pipe 46 is connected between the compressed-air manometer 27 on compressed air inlet pipe 44 and compressed air filtering pressure reducing valve 13, and the first aperture regulation pipe 46 is sequentially provided with aperture filtering pressure reducing valve 15, two-bit triplet electromagnetic valve 14 and ball valve 12 along airflow direction；First aperture regulation pipe 46 connects between ball valve 12 and steam pneumatic diaphragm control valve 8 the second aperture regulation pipe 47, and the other end of the second aperture regulation pipe 47 is connected with air pneumatic diaphragm control valve 29.
Use the independent technology for making tobacco threds of the applicable papermaking-method reconstituted tobaccos factory of the present invention, comprise the following steps:
(1), storage: coating is dried to moisture content 14%～19% reproduce smoked sheet sheet after send in storage cabinet and carry out water balance and caching；
(2), shredding: utilize the professional filament cutter adapting to reconstituted tobacco characteristic that sheet and shreds is cut into the sheet and shreds of 0.7～1.1mm；
(3), charging: cut rear sheet and shreds and enter charger applying feed liquid through flow control system, utilize the features such as sheet and shreds short texture, surface area are big, absorption rate is fast, use cold feed technique, HT or hot blast is not used to heat reproducing tobacco shred, room temperature feeds, on the one hand charging medium can be steam or compressed air, can reduce feed liquid loss, and another aspect prevents from reproducing tobacco shred and is heated and causes flavor matter to lose；Added feed liquid is coating fluid or brand feed liquid, adds the Weight control of feed liquid 1～5%, and after charging, moisture control is 15～22%；
(4), temporary: after charging, sheet and shreds entrance cabinet is kept in, and period of storage controlled at 10～120 minutes；
(5), warming and humidifying: being sent to by sheet and shreds in Novel fluidization bed warming and humidifying machine, humid air pressure 0.2～0.5MPa, compressed air is 7:3 with the ratio of steam, and temperature increases to 35～65 DEG C, and moisture content lowers 3 percentage points or increases by 3 percentage points；
(6), dry silk: by moisture content be 16～22% the tobacco shred that reproduces send into drum-type cut tobacco drying machine by ration feeding machine and be dried, during being dried, make to reproduce tobacco shred formed and crimp, the dried moisture content of cut tobaccos that reproduces is 11%-13%；
(7), purify: carry out selecting crude drugs with winnower and purification by reproducing tobacco shred after drying through winnower, remove offal and defective tobacco shred；
(8), mix and join: directly carry out mixing joining with other tobacco shred according to cigarette composition design proportion by the dried tobacco shred that reproduces.
Warming and humidifying in step (5) is particularly as follows: sheet and shreds is entered into material conveying by material inlet 22 shakes and carried by after forward direction in groove 24, steam is input in vapour gas blender 9 by steam pipework, compressed air is input in vapour gas blender 9 by compressed air line, by manipulation PID controller 25, steam, compressed air or the blender in vapour gas blender 9 is carried out temperature and humidity regulation, reach two-sided injection by the air nozzle 23 connected on upper jet channel 38 and lower jet channel 37.
Filament cutter in above-mentioned independent technology for making tobacco threds utilizes Kunming Shipbuilding Equipment Co., Ltd., the professional filament cutter adapting to reconstituted tobacco characteristic of Kumin Smoke Machine Group Second Machine Co., Ltd's exploitation.
Use above-mentioned independent technology for making tobacco threds for independent technology for making tobacco threds equipment, including the storage cabinet being arranged in order, filament cutter, charger, Novel fluidization bed warming and humidifying machine, cylinder cut tobacco dryer, winnower, recrater, each mechanism can individually set up, work alone, also may be combined, connected by material conveying and feeding mechanism between each mechanism.Wherein storage cabinet, filament cutter, winnower, recrater are industry mature equipment.
A kind of combination type leaf thread material feeding machine that wherein charger uses number of patent application to be 201310715676.4.This charger has feed liquid and smoked sheet is difficult to adhesion, the uniformity effective rate of utilization high of charging.
The temperature and humidity of the humid air in Novel fluidization bed warming and humidifying machine is controlled by entering the steam by entrance vapour gas blender and compressed-air actuated ratio and temperature thereof, it is provided with electric heater on compressed air line and air jet pipe 42, after cutting, reproduce cut tobacco warming and humidifying, there is the features such as favorable loosening effect, not legibility are fine, water uniformity is good.
Novel fluidization bed warming and humidifying machine has the following characteristics that (1) two-sided injection.Above and below groove 24 is shaken in material conveying, it is respectively equipped with jet channel 38 and lower jet channel 37, uniformly sprays humid air to tobacco shred simultaneously, make tobacco shred be in half fluidized state, tobacco shred will be reproduced by the impact of humid air and the conveying of the groove that shakes loose.(2) humiture is adjustable.According to material warming and humidifying characteristic requirements, on the one hand can increase demand meeting different material moisture content with scalable steam valve size；On the other hand can enter the steam of vapour gas blender 9, compressed air ratio and the change of compressed-air actuated temperature by regulation and control the humiture characteristic of humid air, reach to meet different material moisture content and temperature is increased demand.
PID controller 25 is used for regulating setting mass flow, setting outlet temperature, setting moisture content of outlet and set mixed gas flow.
The aperture size of steam pneumatic diaphragm control valve 8 and air pneumatic diaphragm control valve 29 is provided compressed air by air compressor 40, and aperture size is compressed air pressure size adjustment, so that steam pneumatic diaphragm control valve 8 and air pneumatic diaphragm control valve 29 reach the purpose accurately regulated by aperture filtering pressure reducing valve 15, two-bit triplet electromagnetic valve 14 and ball valve 12.
The control method utilizing the present invention to carry out warming and humidifying includes following aspect:
(1) tobacco shred is loose
Cut rear tobacco shred cake to be delivered to material conveying through material belt conveyor and shake groove 24, the air nozzle 23 carrying shake groove 24 upper header and tunnel lower base at material uniformly sprays humid air simultaneously to tobacco shred, tobacco shred is made to be in half fluidized state, by the impact of humid air and the conveying of the groove that shakes, tobacco shred is loose.
(2) calculating of material water ratio increments
According to supplied materials moisture content and outlet material humidification requirements, calculate steam, compressed air require and ratio, and by the valve opening on regulation steam, compressed air piping, it is achieved into and out of mixing chamber flow and the balance of temperature and regulation.
(3) calculating of temperature of charge increments
Heat requirement according to supplied materials temperature and outlet material, calculate mixed gas flow and temperature, and by the valve opening on regulation mixed gas pipeline and electric heater capacity, it is achieved the control of material outlet temperature.
(4) vapor (steam) temperature controls
Control and regulate the power of electric heater according to the vapor (steam) temperature detected, if vapor (steam) temperature and the vapor (steam) temperature of setting are equal in difference allowed band, the power then keeping electric heater is constant, if vapor (steam) temperature is more than the temperature set, then reduce the power of electric heater, if vapor (steam) temperature is less than the temperature set, then increase the power of electric heater.
(5) compressed air temperature controls
Control and regulate the power of electric heater according to the compressed air temperature detected, if compressed air temperature and the compressed air temperature of setting are equal in difference allowed band, the power then keeping electric heater is constant, if compressed air temperature is more than the temperature set, then reduce the power of electric heater, if compressed air temperature is less than the temperature set, then increase the power of electric heater.
(6) tobacco shred warming and humidifying
Tobacco shred enters material and carries the groove 24 that shakes, material carries and uniformly sprays steam and compression gaseous mixture while of shaking groove 24 upper header and tunnel lower base steam jet to tobacco shred, according to material warming and humidifying requirement, on the one hand can regulate temperature and the flow of mixed gas, meet different material moisture content and temperature increases requirement；On the other hand can enter the steam of mixing chamber, compressed air ratio and temperature by regulation and change the humiture characteristic of gaseous mixture, meet different material moisture content and temperature increases requirement.Material is delivered to next process through the groove that shakes after warming and humidifying reaches procedure calls and is processed.
Novel fluidization bed warming and humidifying machine advantage compared to existing technology is: 1. control model is many, and the gaseous mixture sprayed can be steam entirely, carries out warming and humidifying, it is also possible to the hot-air of DIFFERENT WET content, it is achieved different tobacco shred warming and humidifying requirements；Can also be high temperature air (temperature-controllable), carry out loose and reduce moisture content (reducing by 23 percentage points), connect collocation as the formation of drying equipment and thin-plate cut-tobacco drier, give full play to that pneumatic conveying drying is in good taste, thin plate is dried and beneficially protects fragrant equipment advantage；2. range of accommodation is wide, and emitted dose and gaseous mixture controlled properties and two-sided injection expand span of control.Meet different qualities tobacco shred warming and humidifying and loose requirement；3. using effect is good, one be can reach that tobacco shred is loose on the premise of not increasing tobacco shred temperature and moisture content, reconstituted tobacco and do not understand fibre and protect fragrant purpose；On the premise of two are to increase tobacco shred temperature and do not increase moisture content, tobacco shred is carried out loose；Three is to carry out loose to tobacco shred on the premise of not only increasing temperature but also increase moisture content.Improve tobacco shred crudy.After tested, utilizing the tobacco shred that the equipment of the present invention and method processed, its tobacco shred is loose and the uniformity of expansion effect, moisture content and temperature, and after baking, tobacco elasticity, Filling power, manufacturing quality, consumption and Sensory Quality of Cigarette are all significantly improved.
Cut-tobacco drier is improved by existing cylinder cut tobacco dryer and forms, and its basic structure is basically identical with existing cut-tobacco drier, but drum length shortens, and diameter becomes big, and length, diameter ratio is (1:4 ~ 6), the characteristic fast to adapt to papermaking-method reconstituted tobaccos moisture adsorption and releasing.
Above example is only in order to illustrative not limiting technical scheme, although the present invention being described in detail with reference to above-described embodiment, it will be understood by those within the art that: still the present invention can be modified or equivalent, any modification or partial replacement without departing from the spirit and scope of the present invention, it all should be contained in the middle of scope of the presently claimed invention.
Claims (2)
1. for the Novel fluidization bed warming and humidifying machine of tobacco scrap prodn, it is characterized in that: include that jet temperature and humidity regulation system and material carry the groove (24) that shakes, material carries groove (24) rear end that shakes and is provided with material inlet (22), material conveying is shaken and is respectively equipped with jet channel (38) and lower jet channel (37), upper jet channel (38) and lower jet channel (37) above and below groove (24) and is equipped with row's air nozzle (23) along material conveying direction；
Jet temperature and humidity regulation system includes steam generator (39), air compressor (40), condensate recovering device (41), PID controller (25) and vapour gas blender (9)；The venthole of steam generator (39) is connected with the steam inlet of vapour gas blender (9) by steam pipework, the gas outlet of air compressor (40) is connected with the air inlet of vapour gas blender (9) by compressed air line, the outlet of vapour gas blender (9) is connected with upper jet channel (38) and lower jet channel (37) respectively by air jet pipe (42), and air jet pipe (42) is sequentially provided with Pneumatic diaphragm valve (31), total electric heater (32) and mass flow meters (36) along airflow direction；
Described steam pipework includes the steam inlet tube (43) that two ends are connected respectively with steam generator (39) and vapour gas blender (9), it is sequentially provided with the first steam stop (33), steam-water separator (1), the second steam stop (2), vapor filter (3), the first steam gage (4), steam reducing valve (5), the second steam gage (6), steam-flow meter (7), steam pneumatic diaphragm control valve (8) and vapor (steam) temperature instrument (34) along steam flow direction on steam inlet tube (43)；
Described compressed air line includes the compressed air inlet pipe (44) that two ends are connected respectively with air compressor (40) and vapour gas blender (9), being sequentially provided with compressed air stop valve (16), compressed-air manometer (27), compressed air filtering pressure reducing valve (13), gas tank (35), check valve (10), electric airheater (26), mass air flow sensor (28), air pneumatic diaphragm control valve (29) and air themperature instrument (30) along airflow direction on compressed air inlet pipe (44), gas tank (35) bottom is provided with diaphragm valve (11)；
The import of condensate recovering device (41) is connected by the outlet of condensing hot air furnace pipe (45) with steam-water separator (1): be sequentially provided with viewing-mirror (21), check-valves (20), drain valve (19), filter (18) and stop valve (17) along water (flow) direction on condensing hot air furnace pipe (45)；
PID controller (25) is connected with steam-flow meter (7), steam pneumatic diaphragm control valve (8), mass air flow sensor (28), air pneumatic diaphragm control valve (29), air themperature instrument (30) and Pneumatic diaphragm valve (31) by control signal wire respectively.
Novel fluidization bed warming and humidifying machine for tobacco scrap prodn the most according to claim 1, it is characterized in that: between described steam pneumatic diaphragm control valve (8) and compressed air inlet pipe (44), be provided with the first aperture regulation pipe (46), the entrance point of the first aperture regulation pipe (46) is connected between the compressed-air manometer (27) on compressed air inlet pipe (44) and compressed air filtering pressure reducing valve (13), it is sequentially provided with aperture filtering pressure reducing valve (15) along airflow direction in first aperture regulation pipe (46), two-bit triplet electromagnetic valve (14) and ball valve (12)；First aperture regulation pipe (46) connects between ball valve (12) and steam pneumatic diaphragm control valve (8) the second aperture regulation pipe (47), and the other end of the second aperture regulation pipe (47) is connected with air pneumatic diaphragm control valve (29).
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| CN105146726A (en) * | 2015-09-21 | 2015-12-16 | 云南昆船设计研究院 | Method and equipment for maintaining water content of tobacco material in heating process |
| CN106343600B (en) * | 2016-08-25 | 2021-09-21 | 上海烟草集团有限责任公司 | Post-treatment process for improving quality and performance of paper-making reconstituted tobacco products |
| CN108294354A (en) * | 2017-12-20 | 2018-07-20 | 贵州中烟工业有限责任公司 | A method of control tobacco elasticity |
| CN110623293B (en) * | 2019-10-08 | 2022-06-28 | 上海烟草集团有限责任公司 | Injection pipe type heating humidifier |
| CN113180269A (en) * | 2021-03-19 | 2021-07-30 | 昆明鼎承启鑫科技有限公司 | Technology for making rolled strip into wire |
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