CN211323031U - Device for preparing reconstituted tobacco by multipoint air inlet and outlet type thick slurry method - Google Patents
Device for preparing reconstituted tobacco by multipoint air inlet and outlet type thick slurry method Download PDFInfo
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- CN211323031U CN211323031U CN201921936472.2U CN201921936472U CN211323031U CN 211323031 U CN211323031 U CN 211323031U CN 201921936472 U CN201921936472 U CN 201921936472U CN 211323031 U CN211323031 U CN 211323031U
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Abstract
The utility model discloses a device of multiple spot air inlet, play wind-type thick liquid legal system preparation reconstituted tobacco, the device include raw materials storage tank (1), shaping drying device (2), stripping off device (3) and coiling mechanism (4) in proper order, the utility model discloses the device has a plurality of hot-blast air blower (271)i) The temperature and the hot air quantity of the hot air blown out by each hot air fan can be independently adjusted. And simultaneously, the utility model discloses a plurality of air-out doors (28) have on device dustcoat (29), the damp and hot air in dustcoat (29) can effectually be discharged from air-out door (28) among the drying process, avoids the damp and hot air to accumulate for a long time in dustcoat (29) and can form the water droplet at dustcoat (29) top condensation, guarantees the reconstituted tobacco product color uniformity.
Description
Technical Field
The utility model belongs to the technical field of reconstituted tobacco production and processing, concretely relates to device of reconstituted tobacco is prepared to multiple spot air inlet, air-out formula thick paste legal system.
Background
With the acceleration of global tobacco control movement, the global tobacco industry enters a new period of seeking revolution and breakthrough, and further promotes and accelerates the research and development of novel tobacco products, such as heating non-combustion cigarettes, electronic cigarettes, buccal cigarettes and the like. The cigarette is an important component of the novel tobacco product.
Compared with the granular and traditional tobacco shreds as tobacco section materials, the reconstituted tobacco leaves have the characteristics of stronger plasticity, homogenization and higher adjustable level while keeping the active ingredients of the natural tobacco leaves, so the reconstituted tobacco leaves are one of the main tobacco section materials for heating non-combustible cigarettes at present.
When the tobacco sheet is formed by the thick pulp method, the tobacco raw material powder, the adhesive, the smoke agent and other materials are uniformly distributed on the surface layer and the inner layer of the tobacco sheet, so that the thickness and quantitative stability, the heat conduction uniformity and the smoke effect of the tobacco sheet are better, and the tobacco sheet is one of the main reasons for being a tobacco section material of a cigarette which is not combusted by heating. Such as: the iQOS cigarette developed by Felmo tobacco company adopts orderly arranged thick pulp method to reproduce tobacco leaves.
In the drying stage of preparing reconstituted tobacco by a thick pulp method in the prior art, a method of heating and heating the lower part of a conveyer belt is utilized to evaporate water in a pulp membrane paved on the conveyer belt and overflow the water into an upper ventilation tunnel due to heating, and hot air in the direction opposite to the conveying direction of the pulp membrane (in a reverse flow) is utilized to bring the evaporated water out of equipment to meet the requirements of a dehydration process. The problem that it exists is that the hot air inlet is only one, and the closer to the initial section of the drying process, the hot air already absorbs a large amount of moisture, resulting in the weaker moisture absorption capacity and the poorer drying efficiency.
On the other hand, in the prior art, only one air outlet is arranged at the drying stage of the reconstituted tobacco prepared by the thick pulp method, hot air absorbs moisture in the pulp membrane in the drying process, the humidity is gradually increased to form damp and hot air, and the damp and hot air is accumulated in the outer cover in the drying stage for a long time and is condensed at the top of the outer cover to form water drops. In addition, the controllability of drying conditions in the drying process is poor, so that the water content of different areas of the reconstituted tobacco product is different, and the color consistency of the reconstituted tobacco product is poor.
Therefore, it is desirable to develop a device for preparing reconstituted tobacco for heating non-combustible cigarettes by using a thick slurry method, so as to improve the research and development efficiency of the reconstituted tobacco for heating non-combustible cigarettes, reduce the research and development cost and provide support for popularization and application of the reconstituted tobacco for heating non-combustible cigarettes.
SUMMERY OF THE UTILITY MODEL
The utility model provides a device for preparing reconstituted tobacco by a multipoint air inlet and outlet type thick slurry method, which comprises a raw material storage tank 1, a forming and drying device 2, a stripping device 3 and a winding device 4 in sequence;
the forming and drying device 2 comprises a forming steel belt 21, an infrared heating plate 24, a feeding pump 22, a head box 23, a moisture outlet 25, a temperature and humidity detector 26, a drying device 27 and an outer cover 29 which are sequentially arranged;
the feeding pump 22 is connected with the storage tank 1 and is used for conveying slurry to the forming and drying device 2;
the headbox 23 is positioned above the forming steel belt 21, the headbox 23 comprising a stock outlet 231 and a stock scraper 232;
the infrared heating plate 24 is positioned below the formed steel strip 21 and used for heating the formed steel strip 21;
the forming steel belt 21 carries the reconstituted tobacco to move towards the stripping device 3, one end of the forming steel belt 21 close to the feeding pump 22 is called a starting end, and one end close to the stripping device 3 is a terminating end;
the drying device 27 includes N hot air blowers 271 arranged in sequence from the temperature/humidity detector 26 side to the peeling device 3 sideiN is greater than or equal to 2, i is the number of the hot air blower from the temperature and humidity detector 26, and i is a positive integer from 1 to N; each of the hot air blower 271iA ventilation pipe 272 extending in a direction perpendicular to the profiled steel strip 21 towards the profiled steel strip 21 is connectediEach of the vent tubes 272i273 ofiThe direction of the blown hot air is vertical to the running direction of the reconstituted tobacco;
the outer cover 29 is provided with a plurality of air outlet doors 28, the air outlet doors 28 are positioned on the front surface, the back surface or the top surface of the outer cover 29, one surface of the outer cover 29 parallel to the formed steel strip 21 is the top surface of the outer cover 29, and the surface of the outer cover 29 perpendicular to the formed steel strip 21 and extending from the starting end of the formed steel strip 21 to the ending end of the formed steel strip 21 is the front surface or the back surface of the outer cover 29; preferably, the number of the air outlet doors 28 is equal to that of the hot air blower 271iAre the same in number, and each air heater 271iNear the beginning end of the formed steel strip 21An air outlet door 28 is distributed, the air outlet door 28 and the moisture exhaust port 25 are used for exhausting the damp and hot air in the outer cover 29 after the hot air absorbs moisture, and the difference is that the moisture exhaust port 25 is a hole penetrating through the outer cover 29 and is always in an open ventilation state, and the air outlet door 28 can be automatically opened or closed according to the damp and hot air condition in the outer cover 29 in the actual drying process.
The peeling means 3 includes a peeling blade 32 and a thickness adjusting roller 31; the thickness adjusting roller 31 includes an upper pressing roller 311 and a lower supporting roller 312;
the winding device 4 includes a winding table 41 and a winding shaft 42.
Preferably, the orifice 273 increases as i increasesiThe distance from the profiled steel strip 21 decreases gradually.
Preferably, each of said ventilation ducts 272 increases with ii273 ofiThe temperature and the air quantity of the blown hot air are gradually reduced.
The shaping and drying method for preparing reconstituted tobacco by a multipoint air inlet and air outlet type thick pulp method comprises the following steps:
a. starting a feed pump 22 to convey the uniformly stirred slurry in the raw material storage tank 1 to a head box 23, and automatically adding the slurry according to the set liquid level height;
b. starting the forming steel belt 21 to horizontally rotate, starting the infrared heating plate 24 to heat the forming steel belt 21, setting the temperature of the forming steel belt 21 to be 30-50 ℃, controlling the slurry in the head box 23 to flow out from the slurry outlet 231 through the slurry scraper 232 after the temperature of the forming steel belt 21 reaches the set temperature of 30-50 ℃, starting coating and forming, and drying the flowing slurry through the forming steel belt 21 to form a slurry film;
c. according to the set temperature of the hot air, the hot air fan 271 is startediEach of the hot air blower 271iA ventilation pipe 272 extending in a direction perpendicular to the profiled steel strip 21 towards the profiled steel strip 21 is connectediEach of the vent tubes 272i273 ofiThe direction of the blown hot air is vertical to the running direction of the reconstituted tobacco, and the serosa runs to the stripping device 3 along with the formed steel belt 21 and passes through the pipe orifice 273iDrying the blown hot air to form reconstituted tobacco;
d. the moisture discharge port 25 is a hot air outlet, the temperature and moisture detector 26 measures the temperature and moisture content of the surface of the serosa in real time, and the hot air fan 271 is adjusted according to the temperature and moisture content of the surface of the serosaiThe hot air quantity and the hot air temperature and the opening degree of the moisture discharge port 25 are controlled so that the moisture content of the reconstituted tobacco on the side, close to the stripping device 3, of the forming steel belt 21 is 12-14%;
e. the stripping scraper 32 strips the reconstituted tobacco on one side, close to the stripping device 3, of the forming steel belt 21 from the forming steel belt 21, the stripped reconstituted tobacco is subjected to thickness adjustment through the thickness adjusting roller 31, and if the thickness of the reconstituted tobacco is larger than the set thickness, an upper pressing roller 311 and a lower supporting roller 312 of the thickness adjusting roller 31 are matched with each other to roll the reconstituted tobacco;
f. the reconstituted tobacco after thickness adjustment is conveyed to a winding table 41 and wound on a winding shaft 42 for winding.
And after the rolling is finished, repeating the processes to prepare the reconstituted tobacco sample for the next time.
In addition, select the device preparation reconstituted tobacco, can improve reconstituted tobacco color uniformity.
In the drying process of the existing reconstituted tobacco drying device, the loss of flavor substances in the slurry is avoided, a better drying effect is ensured, and the moisture content of the reconstituted tobacco is ensured, so that the drying process adheres to the principle of low-temperature slow baking, the whole drying stage is longer, and the hot air fan 271 at the stage is longeriAfter a large amount of hot air is blown out and the moisture of the reconstituted tobacco is absorbed, the humidity is gradually increased to form humid hot air, the humid hot air is accumulated in the outer cover 29 for a long time and can be condensed at the top of the outer cover 29 to form water drops, the water drops fall on the dried reconstituted tobacco, the color of the area where the water drops fall on the reconstituted tobacco and the color of other areas of the reconstituted tobacco are obviously different, and the color consistency of reconstituted tobacco products is poor.
The device of the present invention has a plurality of air outlet doors 28 on the outer cover 29, the air outlet doors 28 are located on the front, back or top surface of the outer cover, whereinThe surface of the outer cover 29 in contact with the profiled steel strip 21 is referred to as the bottom surface of the outer cover 29; preferably, the number of the air outlet doors 28 is equal to that of the hot air blower 271iAre the same in number, and each air heater 271iAn air outlet door 28 is distributed on one side close to the starting end of the forming steel belt 21, damp and hot air in the outer cover 29 can be effectively discharged from the air outlet door 28 in time in the drying process, the phenomenon that the damp and hot air accumulates in the outer cover 29 for a long time and can be condensed at the top of the outer cover 29 to form water drops is avoided, the color consistency of reconstituted tobacco products is guaranteed, and meanwhile, the air outlet door 28 can be automatically selected to be opened or closed according to the condition of the damp and hot air in the outer cover 29 in the actual drying process.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses the device has a plurality of hot-blast air blower 271iThe temperature and the hot air quantity of the hot air blown out by each hot air fan can be independently adjusted according to the temperature and the moisture content data of the serosa surface measured by the temperature and humidity detector 26 in real time, so that the problem that the drying conditions in different drying stages are difficult to coordinate is solved. The utility model discloses the device can carry out shaping, drying and prepare into the sample to the reconstituted tobacco for the cigarette that does not burn of heating, satisfies the preparation of reconstituted tobacco for the cigarette that does not burn of heating, provides the support for the research of the cigarette that does not burn of heating.
2. The utility model discloses the device has a plurality of hot-blast air blower 271iI is the number of the hot air blower from the temperature and humidity detector 26, and i is a positive integer from 1 to N; each of the hot air blower 271iA ventilation pipe 272 extending in a direction perpendicular to the profiled steel strip 21 towards the profiled steel strip 21 is connectediEach of the vent tubes 272i273 ofiThe direction of the blown hot air is vertical to the running direction of the reconstituted tobacco; meanwhile, the utility model discloses a plurality of air outlet doors 28 are arranged on the device dustcoat 29, the air outlet doors 28 are located on the front, back or top surface of the dustcoat, wherein, the surface of the dustcoat 29 contacted with the shaped steel band 21 is called the bottom surface of the dustcoat 29; the damp and hot air in the outer cover 29 can be effectively discharged from the air outlet door 28 in the drying process, and the phenomenon that the damp and hot air is accumulated in the outer cover 29 for a long time and is condensed at the top of the outer cover 29 to form water is avoidedAnd dripping to ensure the color consistency of the reconstituted tobacco products, and meanwhile, the air outlet door 28 can be automatically opened or closed according to the condition of the humid and hot air in the outer cover 29 in the actual drying process. In the preferred embodiment of the present invention, the number of the air outlet doors 28 and the hot air blower 271 are providediAre the same in number, and each air heater 271iAn air outlet door 28 is distributed near one side of the starting end of the formed steel strip 21, namely, a hot air fan 271 in the drying processiThe hot-blast direction perpendicular to reconstituted tobacco's that blows out the traffic direction, the hot-blast moisture back of absorbing reconstituted tobacco that blows out, humidity increases gradually and forms damp and hot air, and damp and hot air can be discharged through the air-out door 28 that is close to shaping steel band 21 initiating terminal one side immediately, not only can avoid damp and hot air long-time accumulation can condense at dustcoat 29 top and form the water droplet in dustcoat 29, can also improve hot-blast utilization ratio and reconstituted tobacco's drying rate, guarantee reconstituted tobacco's drying effect.
3. In a preferred embodiment of the present invention, the orifice 273 increases as i increasesiThe distance from the profiled steel strip 21 is gradually reduced if all the nozzles 273 are arranged during the drying processiThe same distance from the profiled steel strip 21 results in all the nozzles 273iThe hot-blast all that blows off is on a horizontal layer that is closer to shaping steel band 21, and after dry a period, this layer of hot-blast moisture is saturated, and this layer of top air can not play dry effect, and simultaneously, dry later stage thick liquids moisture content is low, is difficult to the drying, and the utility model discloses the device mouth of pipe 273iThe distance from the profiled steel strip 21 is gradually reduced, and the nozzle 273iThe blown hot air forms different hot air horizontal layers in the outer cover 29, the air utilization rate is high, the closer to the termination end of the forming steel belt 21, the closer the hot air is to the reconstituted tobacco, and the drying effect of the reconstituted tobacco at the later drying stage is effectively improved.
4. The utility model discloses the device has a plurality of hot-blast air blower 271iI is the number of the hot air blower from the temperature and humidity detector 26, and i is a positive integer from 1 to N; each of the hot air blower 271iConnecting a strip to the forming die in a direction perpendicular to the forming strip 21Elongated vent tube 272 of steel strip 21iEach of the vent tubes 272i273 ofiThe direction of the blown hot air is vertical to the running direction of the reconstituted tobacco; in a preferred embodiment of the present invention, as i increases, each of the vent tubes 272 increasesi273 ofiThe temperature and the hot air volume of the blown hot air are gradually reduced, namely, the moisture content in the slurry in the initial drying stage (the stage of forming a serous membrane by the slurry) is high, a large amount of hot air is needed to take away the moisture in the slurry, so that the hot air volume above the slurry is large, and the hot air volume above the sheet of the reconstituted tobacco in the later drying stage (formed in the initial step) is small, the water content of the sheet of the reconstituted tobacco is small, a large amount of hot air is not needed, only a mode of blowing the sheet of the reconstituted tobacco perpendicular to is adopted, the drying efficiency is improved, so that the hot air volume above the sheet of the reconstituted tobacco is small, the drying effect in the later drying stage of.
Drawings
FIG. 1 is a schematic view of a prior art incremental hot air counter-current drying apparatus;
FIG. 2 is a schematic view of the device for preparing reconstituted tobacco through a multi-point air inlet and outlet type thick slurry method of the present invention.
Wherein, the names of all the reference symbols in the description of the drawings are as follows: 1-raw material storage tank, 2-forming drying device, 3-stripping device, 4-winding device, 5-conveying belt, 6-ventilation tunnel, 7-air supply pipeline, 8-air outlet, 21-forming steel belt, 22-feed pump, 23-head box, 24-infrared heating plate, 25-moisture outlet, 26-temperature and humidity detector, 27-drying equipment, 28-air outlet door, 29-outer cover, 31-thickness adjusting roller, 32-stripping scraper, 41-winding table, 42-winding shaft, 271-thickness adjusting roller, 42-winding shaft, and the likeiHot air blower, 272i-ventilation ducts, 273iNozzle, 1111-first vent, 2222-second vent, 3333-third vent, 4444-fourth vent.
Detailed Description
The present invention will be explained in detail with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive faculty.
The embodiment is a device for preparing reconstituted tobacco by a multipoint air inlet and outlet type thick slurry method, which sequentially comprises a raw material storage tank 1, a forming and drying device 2, a stripping device 3 and a winding device 4;
the forming and drying device 2 comprises a forming steel belt 21, an infrared heating plate 24, a feeding pump 22, a head box 23, a moisture outlet 25, a temperature and humidity detector 26, a drying device 27 and an outer cover 29 which are sequentially arranged;
the feeding pump 22 is connected with the storage tank 1 and is used for conveying slurry to the forming and drying device 2;
the headbox 23 is positioned above the forming steel belt 21, the headbox 23 comprising a stock outlet 231 and a stock scraper 232;
the infrared heating plate 24 is positioned below the formed steel strip 21 and used for heating the formed steel strip 21;
the forming steel belt 21 carries the reconstituted tobacco to move towards the stripping device 3, one end of the forming steel belt 21 close to the feeding pump 22 is called a starting end, and one end close to the stripping device 3 is a terminating end;
the drying device 27 includes 3 hot air blowers 271 sequentially arranged from the temperature and humidity detector 26 side to the peeling device 3 sideiI is the number of the hot air blower from the temperature and humidity detector 26, and i is 1, 2, 3; each of the hot air blower 271iA ventilation pipe 272 extending in a direction perpendicular to the profiled steel strip 21 towards the profiled steel strip 21 is connectediEach of the vent tubes 272i273 ofiThe direction of the blown hot air is vertical to the running direction of the reconstituted tobacco;
the outer cover 29 is provided with 3 air outlet doors 28; go out the air door 28 and be located on the front or the back of dustcoat 29, on the dustcoat 29 with the parallel one side of shaping steel band 21 does the top surface of dustcoat 29, on the dustcoat 29 with shaping steel band 21 is perpendicular and follow shaping steel band 21 initiating terminal extends to the face that shaping steel band 21 terminated does dustcoat 29 openlyOr a back side; each hot air blower 271iAn air outlet door 28 is distributed on one side close to the starting end of the formed steel strip 21.
The peeling means 3 includes a peeling blade 32 and a thickness adjusting roller 31; the thickness adjusting roller 31 includes an upper pressing roller 311 and a lower supporting roller 312;
the winding device 4 includes a winding table 41 and a winding shaft 42.
As i increases, the orifice 273iThe distance from the profiled steel strip 21 is gradually reduced, wherein the nozzle 2731At a distance of 70cm from the profiled steel strip, at a mouth 2732At a distance of 45cm from the formed steel strip, and a nozzle 2733The distance from the profiled steel strip was 10 cm.
As i increases, each of the vent tubes 272i273 ofiThe temperature and the air quantity of the blown hot air are gradually reduced.
The utility model discloses a device operation process suitable for multiple spot air inlet, air-out formula thick paste legal system preparation reconstituted tobacco is as follows:
before the device is started, according to the development requirement of preparing the reconstituted tobacco sample for the heating non-combustible cigarette by a thick paste method, the thickness and the moisture of the sample are set at first.
The forming and drying method for preparing the reconstituted tobacco by the multipoint air inlet and outlet type thick pulp method comprises the following steps:
a. starting a feed pump 22 to convey the uniformly stirred slurry in the raw material storage tank 1 to a head box 23, and automatically adding the slurry according to the set liquid level height;
b. starting the forming steel belt 21 to horizontally rotate, starting the infrared heating plate 24 to heat the forming steel belt 21, setting the temperature of the forming steel belt 21 to be 30-50 ℃, controlling the slurry in the head box 23 to flow out from the slurry outlet 231 through the slurry scraper 232 after the temperature of the forming steel belt 21 reaches the set temperature of 30-50 ℃, starting coating and forming, and drying the flowing slurry through the forming steel belt 21 to form a slurry film;
c. setting hot air blower 2711The hot air temperature is 105 ℃, and the hot air volume is 3500m3Min, set the hot air blower 2712The hot air temperature is 100 ℃, and the hot air quantity is 3000m3Min, set the hot air blower 2713The hot air temperature is 90 ℃, and the hot air quantity is 2500m3Min, turn on the hot air blower 2711、2712、2713Each of the hot air blower 271iA ventilation pipe 272 extending in a direction perpendicular to the profiled steel strip 21 towards the profiled steel strip 21 is connectediEach of the vent tubes 272i273 ofiThe direction of the blown hot air is vertical to the running direction of the reconstituted tobacco, and the serosa runs to the stripping device 3 along with the forming steel belt 21 and passes through the pipe orifice 273iDrying the blown hot air to form reconstituted tobacco;
d. the moisture discharge port 25 is a hot air outlet, the temperature and moisture detector 26 measures the temperature and moisture content of the surface of the serosa in real time, and the hot air blower 271 is properly adjusted according to the temperature and moisture content of the surface of the serosaiThe hot air quantity and the hot air temperature and the opening degree of the moisture discharge port 25 are controlled so that the moisture content of the reconstituted tobacco on the side, close to the stripping device 3, of the forming steel belt 21 is 12-14%;
e. the stripping scraper 32 strips the reconstituted tobacco on one side, close to the stripping device 3, of the forming steel belt 21 from the forming steel belt 21, the stripped reconstituted tobacco is subjected to thickness adjustment through the thickness adjusting roller 31, and if the thickness of the reconstituted tobacco is larger than the set thickness +/-0.3 mm, an upper pressing roller 311 and a lower supporting roller 312 of the thickness adjusting roller 31 are matched with each other to roll the reconstituted tobacco;
f. the reconstituted tobacco after thickness adjustment is conveyed to a winding table 41 and wound on a winding shaft 42 for winding.
And after the rolling is finished, repeating the processes to prepare the reconstituted tobacco sample for the next time.
Claims (5)
1. A device for preparing reconstituted tobacco by a multipoint air inlet and outlet type thick slurry method is characterized by sequentially comprising a raw material storage tank (1), a forming and drying device (2), a stripping device (3) and a winding device (4);
the forming and drying device (2) comprises a forming steel belt (21), an infrared heating plate (24), a feeding pump (22), a head box (23), a moisture discharge port (25), a temperature and humidity detector (26), drying equipment (27) and a housing (29) which are sequentially arranged;
the feeding pump (22) is connected with the raw material storage tank (1) and is used for conveying slurry to the forming and drying device (2);
the headbox (23) is located above the forming steel belt (21), the headbox (23) comprising a stock outlet (231) and a stock scraper (232);
the infrared heating plate (24) is positioned below the formed steel strip (21) and is used for heating the formed steel strip (21);
the forming steel belt (21) carries reconstituted tobacco to move towards the stripping device (3), one end, close to the feeding pump (22), of the forming steel belt (21) is called a starting end, and one end, close to the stripping device (3), of the forming steel belt is a terminating end;
the drying device (27) comprises N hot air fans (271) which are sequentially arranged from one side of the temperature and humidity detector (26) to one side of the peeling device (3)i) N is more than or equal to 2, i is the number of the hot air fan from the temperature and humidity detector (26), and i is a positive integer from 1 to N; each of the hot air blower (271)i) A ventilation pipe (272) extending towards the profiled steel strip (21) in a direction perpendicular to the profiled steel strip (21) is connectedi) Each of said air ducts (272)i) Nozzle (273)i) The direction of the blown hot air is vertical to the running direction of the reconstituted tobacco;
the outer cover (29) is provided with a plurality of air outlet doors (28);
the peeling device (3) comprises a peeling blade (32) and a thickness adjusting roller (31); the thickness adjusting roller (31) comprises an upper pressing roller (311) and a lower supporting roller (312);
the winding device (4) comprises a winding table (41) and a winding shaft (42).
2. The device for preparing reconstituted tobacco by a multi-point air inlet and outlet thick liquid method according to claim 1, wherein the pipe orifice (273) increases with the increase of ii) The distance from the formed steel strip (21) is gradually reduced.
3. The multiple spot air inlet and outlet type thick slurry method according to claim 1-device for preparing reconstituted tobacco, characterized in that each of said ventilation ducts (272) increases with ii) Nozzle (273)i) The temperature and the air quantity of the blown hot air are gradually reduced.
4. The device for preparing reconstituted tobacco by a multi-point air inlet and outlet type thick pulp method according to claim 1, wherein the air outlet door (28) is positioned on the front surface, the back surface or the top surface of the outer cover (29), one surface of the outer cover (29) parallel to the formed steel strip (21) is the top surface of the outer cover (29), and the surface of the outer cover (29) perpendicular to the formed steel strip (21) and extending from the starting end of the formed steel strip (21) to the terminating end of the formed steel strip (21) is the front surface or the back surface of the outer cover (29).
5. The device for preparing reconstituted tobacco by a multi-point air inlet and outlet type thick slurry method according to claim 1, wherein the number of the air outlet doors (28) is equal to that of the hot air fan (271)i) Are the same in number, and each of the hot air blowers (271)i) And one side close to the starting end of the formed steel belt (21) is provided with the air outlet door (28).
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| CN201921936472.2U CN211323031U (en) | 2019-11-11 | 2019-11-11 | Device for preparing reconstituted tobacco by multipoint air inlet and outlet type thick slurry method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110693068A (en) * | 2019-11-11 | 2020-01-17 | 云南中烟工业有限责任公司 | Device and method for preparing reconstituted tobacco through multipoint air inlet and outlet type thick slurry method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110693068A (en) * | 2019-11-11 | 2020-01-17 | 云南中烟工业有限责任公司 | Device and method for preparing reconstituted tobacco through multipoint air inlet and outlet type thick slurry method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |