CN111616404A - Microwave drying method for heating particles for cigarettes - Google Patents
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- CN111616404A CN111616404A CN202010505150.3A CN202010505150A CN111616404A CN 111616404 A CN111616404 A CN 111616404A CN 202010505150 A CN202010505150 A CN 202010505150A CN 111616404 A CN111616404 A CN 111616404A
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- 239000002245 particle Substances 0.000 title claims abstract description 121
- 238000001035 drying Methods 0.000 title claims abstract description 115
- 238000010438 heat treatment Methods 0.000 title claims abstract description 62
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 61
- 239000002994 raw material Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 19
- 238000012216 screening Methods 0.000 claims description 19
- 238000005070 sampling Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 28
- 241000208125 Nicotiana Species 0.000 description 25
- 239000008187 granular material Substances 0.000 description 17
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 12
- 238000005469 granulation Methods 0.000 description 10
- 230000003179 granulation Effects 0.000 description 10
- 239000008188 pellet Substances 0.000 description 8
- 230000000391 smoking effect Effects 0.000 description 7
- 238000010981 drying operation Methods 0.000 description 6
- 235000011187 glycerol Nutrition 0.000 description 6
- 239000000843 powder Substances 0.000 description 5
- 230000001953 sensory effect Effects 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 239000000796 flavoring agent Substances 0.000 description 4
- 235000019634 flavors Nutrition 0.000 description 4
- 244000061176 Nicotiana tabacum Species 0.000 description 3
- 244000269722 Thea sinensis Species 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000643 oven drying Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000779 smoke Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 244000303040 Glycyrrhiza glabra Species 0.000 description 1
- 235000006200 Glycyrrhiza glabra Nutrition 0.000 description 1
- 244000274050 Platycodon grandiflorum Species 0.000 description 1
- 235000006753 Platycodon grandiflorum Nutrition 0.000 description 1
- 235000006468 Thea sinensis Nutrition 0.000 description 1
- 235000009470 Theobroma cacao Nutrition 0.000 description 1
- 244000299461 Theobroma cacao Species 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000020279 black tea Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000008369 fruit flavor Substances 0.000 description 1
- LPLVUJXQOOQHMX-QWBHMCJMSA-N glycyrrhizinic acid Chemical compound O([C@@H]1[C@@H](O)[C@H](O)[C@H](O[C@@H]1O[C@@H]1C([C@H]2[C@]([C@@H]3[C@@]([C@@]4(CC[C@@]5(C)CC[C@@](C)(C[C@H]5C4=CC3=O)C(O)=O)C)(C)CC2)(C)CC1)(C)C)C(O)=O)[C@@H]1O[C@H](C(O)=O)[C@@H](O)[C@H](O)[C@H]1O LPLVUJXQOOQHMX-QWBHMCJMSA-N 0.000 description 1
- 235000009569 green tea Nutrition 0.000 description 1
- 241000411851 herbal medicine Species 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 235000011477 liquorice Nutrition 0.000 description 1
- 239000008368 mint flavor Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 235000013616 tea Nutrition 0.000 description 1
- 235000019505 tobacco product Nutrition 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/22—Treatment of tobacco products or tobacco substitutes by application of electric or wave energy or particle radiation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
- F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
- F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
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- Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Chemical & Material Sciences (AREA)
- Molecular Biology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a microwave drying method of particles for heating cigarettes, which is characterized in that raw materials of the particles for heating cigarettes are uniformly mixed and granulated, and the obtained wet particles for heating cigarettes are dried by microwave drying equipment to obtain the particles for heating cigarettes with required moisture content.
Description
Technical Field
The invention belongs to the field of novel tobacco, and particularly relates to a microwave drying method for heating particles for cigarettes.
Background
The prior heating cigarette in the novel tobacco field can greatly reduce harmful ingredients released by lighting the cigarette, and can not generate second-hand smoke to influence other people, so the global market share of the heating cigarette is increased year by year in recent years. The granular heating cigarette is an original product of Chinese tobacco, and has better sensory product smoking experience and market prospect.
The granular heating cigarette is prepared by crushing tobacco raw materials or non-tobacco plant raw materials, granulating, drying the obtained wet granules, filling the dried wet granules into cigarettes, and rolling and packaging the dried wet granules to form a granular heating cigarette product. The drying process level of the granules directly influences the sensory quality of the granular heating cigarette product. Because the granular type heated cigarette is smoked by a heating non-combustion mode, the aroma components and the smoke quantity of the heated cigarette product need to be ensured, the used drying process needs to ensure low drying temperature and short drying time, and thus, the aroma substances, aroma components, atomizing agents and the like of tobacco or non-tobacco plant particles can be more reserved in the drying process operation. The traditional drying method comprises blast drying and hot oven drying, the drying process of the blast drying is relatively complex, and the hot oven drying has low yield, high strength, serious environmental pollution and long production period.
In order to improve the sensory product smoking quality of the granular heating cigarette product, it is of great significance to explore a drying method suitable for the granules for heating cigarettes.
Disclosure of Invention
Based on the problems in the prior art, the invention provides a microwave drying method for heating particles for cigarettes, which adopts a microwave drying process to replace the traditional process methods such as blast drying, hot oven drying and the like, and achieves the production requirements of rapidness, high yield, high efficiency and the like by reasonably setting drying process parameters, and achieves the purpose of greatly improving the product quality.
In order to realize the purpose of the invention, the following technical scheme is adopted:
a microwave drying method for heating particles for cigarettes is characterized in that: uniformly mixing and granulating the raw materials of the heated cigarette particles, and drying the obtained wet particles for heating cigarettes by microwave drying equipment to obtain the particles for heating cigarettes with required water content. The method specifically comprises the following steps:
step 1, screening the wet particles for heating cigarettes for the first time through a 5-15-mesh screen to remove oversize products, wherein the remaining undersize products are wet particles to be dried;
step 2, sampling the wet particles to be dried and determining the water content;
step 3, weighing the mass of the wet particles to be dried;
step 4, setting parameters of microwave drying equipment according to the moisture content of the wet particles to be dried, and then uniformly paving the wet particles to be dried;
step 5, operating the microwave drying equipment;
step 6, measuring the temperature of the dried particles at the material outlet end of the microwave drying equipment, and sampling to measure the water content of the dried particles;
step 7, after drying, closing the microwave drying equipment;
and 8, collecting and finishing the dried particles at the material outlet end of the microwave drying equipment, classifying and screening, and then sealing and storing.
Furthermore, the heating cigarette is a particle type heating cigarette, and is a novel tobacco product which is used for producing tobacco aerosol for smoking by matching with heating smoking set heating particles. The raw materials of the heated cigarette particles comprise tobacco powder and/or non-tobacco powder, atomizing agent, spice, adhesive and the like, wherein the tobacco powder comprises but is not limited to flue-cured tobacco, sun-cured tobacco, mixed tobacco, aromatic tobacco and the like, and the non-tobacco plant powder comprises but is not limited to fruits or Chinese herbal medicine plants such as dried orange peel, cocoa, green tea, black tea, liquorice, platycodon grandiflorum and the like. The granulation method includes, but is not limited to, centrifugal granulation, swing granulation, screw extrusion granulation, and the like.
Further, the primary screening of step 1 can screen out larger particles, preferably using a 10 mesh screen.
Further, in step 4, the moisture content of the wet particles to be dried is set to be g, and the parameter setting method of the microwave drying equipment comprises the following steps:
if g is more than or equal to 10 and less than 20: setting the heating power of the microwave drying equipment to be 3-6 kW and the transmission speed to be 0.32-0.56 m/min;
if g is more than or equal to 20 and less than 30: setting the heating power of the microwave drying equipment to be 6-8 kW and the transmission speed to be 0.24-0.64 m/min;
if g is more than or equal to 30 and less than 40: setting the heating power of the microwave drying equipment to be 8-12 kW and the transmission speed to be 0.48-0.96 m/min;
if g is more than or equal to 40: the heating power of the microwave drying equipment is set to be 12-13 kW, and the transmission speed is set to be 0.32-1.20 m/min.
The heating power is set to control the heating temperature, and the transfer speed is set to control the heating time period. The drying temperature of the particles with different water contents in the microwave drying equipment can be ensured to be 60-80 ℃ by setting according to the process parameters, which can be proved by monitoring the temperature of the dried particles in the step 6. The low temperature state of the particles at the outlet end is ensured, and the fragrant substances and fragrant components can be kept as much as possible.
Further, in the step 4, the paving thickness of the uniform paving material is 4-10 mm, and preferably 6-8 mm. The requirement of uniform paving is that the paving width and the paving thickness are consistent, the paving surface is not blank, and the paving width is ensured to be smaller than the width of the conveying belt.
Further, in step 6, the water content of the dried granules is 5% to 10%, preferably 6% to 9%. The moisture content of the dried particles has great influence on the smoking quality of sensory products of the particle type heating cigarette products.
Further, in the step 8, the classification and screening is performed by using 20-mesh, 30-mesh and 40-mesh screens, the obtained 20-30-mesh particles and 30-40-mesh particles are respectively sealed and stored, and the particles with the rest particle sizes can be crushed and granulated again.
Further, in step 8, the sealed storage is performed by using a food-grade stainless steel sealed barrel or a food-grade plastic sealed barrel.
Further, the method for determining the water content in step 2 and step 6 can use a rapid moisture meter, an on-line moisture meter, etc., and most preferably an oven method.
Further, in step 3, the mass of the wet granules is accurately weighed using a balance or a platform scale.
Further, in step 6, the temperature of the dried particles can be measured by an industrial infrared thermometer.
Compared with the prior art, the invention has the beneficial effects that:
the particles for heating cigarettes are dried by the microwave drying process, the particle drying process has the advantages of low drying temperature, short production period, large drying yield, continuous drying and the like, can meet the particle drying process requirements of particle type heating cigarettes, has less loss of the fragrant substances, the fragrant components and the atomizing agent of the particles dried by the microwave drying method, and has better sensory product smoking experience during smoking.
Drawings
FIG. 1 is a flow chart of a microwave drying method for heating particles for cigarettes according to the present invention.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
The following examples used a microwave drying apparatus of MD-KL50-1 type, manufactured by Beijing aerospace Raett electromechanical engineering Co., Ltd., having a microwave output power range of 0 to 15kW and a transmission speed range of 0.1 to 10m/min (continuously adjustable)
Example 1
In this example, raw materials (12.0 kg of flue-cured tobacco, 3.0kg of burley tobacco, 2kg of glycerin, 0.5kg of binder, 1.5kg of tobacco flavor, and 1kg of water) of the heated cigarette pellets were mixed uniformly, and wet pellets for heated cigarettes were produced by a centrifugal granulation method.
In this example, the above wet granules for heating cigarette were dried according to the following steps:
step 1, screening the wet particles for heating cigarettes for one time through a 10-mesh screen to remove oversize products, wherein the remaining undersize products are wet particles to be dried.
And 2, sampling wet particles to be dried, and measuring the water content to be 21.9% by using an oven.
And 3, accurately weighing 2kg of wet particles to be dried by using a platform scale.
And 4, setting the heating power of the microwave drying equipment to be 6kW (corresponding to the drying temperature of about 65 ℃) and the transmission speed to be 0.4m/min, and then uniformly paving 2kg of weighed wet particles to be dried (the paving width is 500mm, and the paving thickness is 6 mm).
And 5, clicking an operation key of the microwave drying equipment control cabinet to perform microwave drying operation.
And 6, measuring the temperature of the particles at the material outlet end of the microwave drying equipment by using an industrial infrared thermometer to be about 65 ℃, sampling, and measuring the water content of the dried particles to be 9.3% by using an oven method.
And 7, after drying is finished, clicking a stop button of the microwave drying equipment control cabinet to finish the microwave drying.
And 8, collecting and finishing the dried particles at a material outlet end of the microwave drying equipment, screening by using 20-mesh, 30-mesh and 40-mesh screens, and respectively putting the obtained 20-30-mesh particles and 30-40-mesh particles into a food-grade stainless steel sealing barrel for sealed storage.
Example 2
In this example, raw materials (10.0 kg of flue-cured tobacco, 5kg of burley tobacco, 2.0kg of glycerin, 1kg of binder, 0.05kg of tobacco extract, 1.45kg of comprehensive fruit flavor, and 0.5kg of water) of the heated cigarette pellets were mixed uniformly, and wet pellets for heated cigarettes were produced by a centrifugal granulation method.
In this example, the above wet granules for heating cigarette were dried according to the following steps:
step 1, screening the wet particles for heating cigarettes for one time through a 10-mesh screen to remove oversize products, wherein the remaining undersize products are wet particles to be dried.
And 2, sampling wet particles to be dried, and measuring the water content to be 19.5% by using an oven.
And 3, accurately weighing 1kg of wet particles to be dried by using a platform scale.
And 4, setting the heating power of the microwave drying equipment to be 6kW (corresponding to the drying temperature of about 70 ℃) and the transmission speed to be 0.48m/min, and then uniformly paving 1kg of weighed wet particles to be dried (the paving width is 400mm, and the paving thickness is 6 mm).
And 5, clicking an operation key of the microwave drying equipment control cabinet to perform microwave drying operation.
And 6, measuring the temperature of the particles at the material outlet end of the microwave drying equipment by using an industrial infrared thermometer to be about 70 ℃, sampling, and measuring the water content of the dried particles to be 8.7% by using an oven method.
And 7, after drying is finished, clicking a stop button of the microwave drying equipment control cabinet to finish the microwave drying.
And 8, collecting and finishing the dried particles at a material outlet end of the microwave drying equipment, screening by using 20-mesh, 30-mesh and 40-mesh screens, and respectively putting the obtained 20-30-mesh particles and 30-40-mesh particles into a food-grade plastic sealing barrel for sealed storage.
Example 3
In this example, raw materials (16.0 kg of flue-cured tobacco, 8kg of burley tobacco, 2.0kg of glycerin, 0.5kg of binder, 2.5kg of tobacco flavor, and 1kg of water) of the heated cigarette pellets were mixed uniformly, and wet pellets for heated cigarettes were produced by a centrifugal granulation method.
In this example, the above wet granules for heating cigarette were dried according to the following steps:
step 1, screening the wet particles for heating cigarettes for one time through a 10-mesh screen to remove oversize products, wherein the remaining undersize products are wet particles to be dried.
And 2, sampling wet particles to be dried, and measuring the water content to be 20.3% by using an oven.
And 3, accurately weighing 2kg of wet particles to be dried by using a platform scale.
And 4, setting the heating power of the microwave drying equipment to be 7kW (corresponding to the drying temperature of about 70 ℃) and the transmission speed to be 0.40m/min, and then uniformly paving 2kg of weighed wet particles to be dried (the paving width is 400mm, and the paving thickness is 6 mm).
And 5, clicking an operation key of the microwave drying equipment control cabinet to perform microwave drying operation.
And 6, measuring the temperature of the particles at the material outlet end of the microwave drying equipment by using an industrial infrared thermometer to be about 70 ℃, sampling, and measuring the water content of the dried particles to be 7.2% by using an oven method.
And 7, after drying is finished, clicking a stop button of the microwave drying equipment control cabinet to finish the microwave drying.
And 8, collecting and finishing the dried particles at a material outlet end of the microwave drying equipment, screening by using 20-mesh, 30-mesh and 40-mesh screens, and respectively putting the obtained 20-30-mesh particles and 30-40-mesh particles into a food-grade plastic sealing barrel for sealed storage.
Example 4
In this example, raw materials (16.0 kg of flue-cured tobacco, 8kg of burley tobacco, 2.0kg of glycerin, 1.5kg of binder, 0.05kg of tobacco extract, 1.95kg of mint flavor, and 0.5kg of water) of the heated cigarette pellets were mixed uniformly, and wet pellets for heated cigarettes were produced by a centrifugal granulation method.
In this example, the above wet granules for heating cigarette were dried according to the following steps:
step 1, screening the wet particles for heating cigarettes for one time through a 10-mesh screen to remove oversize products, wherein the remaining undersize products are wet particles to be dried.
And 2, sampling wet particles to be dried, and measuring the water content to be 20.9% by using an oven.
And 3, accurately weighing 2kg of wet particles to be dried by using a platform scale.
And 4, setting the heating power of the microwave drying equipment to be 6kW (corresponding to the drying temperature of about 65 ℃) and the transmission speed to be 0.32m/min, and then uniformly paving 2kg of weighed wet particles to be dried (the paving width is 400mm, and the paving thickness is 6 mm).
And 5, clicking an operation key of the microwave drying equipment control cabinet to perform microwave drying operation.
And 6, measuring the temperature of the particles at the material outlet end of the microwave drying equipment by using an industrial infrared thermometer to be about 65 ℃, sampling, and measuring the water content of the dried particles to be 8.5% by using an oven method.
And 7, after drying is finished, clicking a stop button of the microwave drying equipment control cabinet to finish the microwave drying.
And 8, collecting and finishing the dried particles at a material outlet end of the microwave drying equipment, screening by using 20-mesh, 30-mesh and 40-mesh screens, and respectively putting the obtained 20-30-mesh particles and 30-40-mesh particles into a food-grade plastic sealing barrel for sealed storage.
Example 5
In this example, raw materials (15.0 kg of dried orange peel, 2.0kg of glycerin, 0.5kg of an adhesive, 1.5kg of dried orange peel flavor, and 1kg of water) of the heated cigarette granules were uniformly mixed, and wet granules for heated cigarettes were produced by a centrifugal granulation method.
In this example, the above wet granules for heating cigarette were dried according to the following steps:
step 1, screening the wet particles for heating cigarettes for one time through a 10-mesh screen to remove oversize products, wherein the remaining undersize products are wet particles to be dried.
And 2, sampling wet particles to be dried, and measuring the water content to be 20.6% by using an oven.
And 3, accurately weighing 1kg of wet particles to be dried by using a platform scale.
And 4, setting the heating power of the microwave drying equipment to be 7kW (corresponding to the drying temperature of about 70 ℃) and the transmission speed to be 0.48m/min, and then uniformly paving 1kg of weighed wet particles to be dried (the paving width is 400mm, and the paving thickness is 6 mm).
And 5, clicking an operation key of the microwave drying equipment control cabinet to perform microwave drying operation.
And 6, measuring the temperature of the particles at the material outlet end of the microwave drying equipment by using an industrial infrared thermometer to be about 70 ℃, sampling, and measuring the water content of the dried particles to be 8.7% by using an oven method.
And 7, after drying is finished, clicking a stop button of the microwave drying equipment control cabinet to finish the microwave drying.
And 8, collecting and finishing the dried particles at a material outlet end of the microwave drying equipment, screening by using 20-mesh, 30-mesh and 40-mesh screens, and respectively putting the obtained 20-30-mesh particles and 30-40-mesh particles into a food-grade plastic sealing barrel for sealed storage.
Example 6
In this example, raw materials (12.0 kg of Jinjunmei, 3kg of matcha powder, 2.0kg of glycerin, 1.0kg of adhesive, 1.5kg of tea flavor and 0.5kg of water) of the heated cigarette granules were uniformly mixed, and wet granules for heated cigarettes were produced by a centrifugal granulation method.
In this example, the above wet granules for heating cigarette were dried according to the following steps:
step 1, screening the wet particles for heating cigarettes for one time through a 10-mesh screen to remove oversize products, wherein the remaining undersize products are wet particles to be dried.
And 2, sampling wet particles to be dried, and measuring the water content to be 19.8% by using an oven.
And 3, accurately weighing 1kg of wet particles to be dried by using a platform scale.
And 4, setting the heating power of the microwave drying equipment to be 6kW (corresponding to the drying temperature of about 78 ℃) and the transmission speed to be 0.32m/min, and then uniformly paving 1kg of weighed wet particles to be dried (the paving width is 400mm, and the paving thickness is 6 mm).
And 5, clicking an operation key of the microwave drying equipment control cabinet to perform microwave drying operation.
And 6, measuring the temperature of the particles at the material outlet end of the microwave drying equipment by using an industrial infrared thermometer to be about 80 ℃, sampling, and measuring the water content of the dried particles to be 6.9% by using an oven method.
And 7, after drying is finished, clicking a stop button of the microwave drying equipment control cabinet to finish the microwave drying.
And 8, collecting and finishing the dried particles at a material outlet end of the microwave drying equipment, screening by using 20-mesh, 30-mesh and 40-mesh screens, and respectively putting the obtained 20-30-mesh particles and 30-40-mesh particles into a food-grade plastic sealing barrel for sealed storage.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A microwave drying method for heating particles for cigarettes is characterized in that: uniformly mixing and granulating the raw materials of the heated cigarette particles, and drying the obtained wet particles for heating cigarettes by microwave drying equipment to obtain the particles for heating cigarettes with required water content.
2. A microwave drying method according to claim 1, characterized by comprising the steps of:
step 1, screening the wet particles for heating cigarettes for the first time through a 5-15-mesh screen to remove oversize products, wherein the remaining undersize products are wet particles to be dried;
step 2, sampling the wet particles to be dried and determining the water content;
step 3, weighing the mass of the wet particles to be dried;
step 4, setting parameters of microwave drying equipment according to the moisture content of the wet particles to be dried, and then uniformly paving the wet particles to be dried;
step 5, operating the microwave drying equipment;
step 6, measuring the temperature of the dried particles at the material outlet end of the microwave drying equipment, and sampling to measure the water content of the dried particles;
step 7, after drying, closing the microwave drying equipment;
and 8, collecting and finishing the dried particles at the material outlet end of the microwave drying equipment, classifying and screening, and then sealing and storing.
3. A microwave drying method according to claim 2, characterized in that: in step 4, the moisture content of the wet particles to be dried is set as g, and the parameter setting method of the microwave drying equipment comprises the following steps:
if g is more than or equal to 10 and less than 20: setting the heating power of the microwave drying equipment to be 3-6 kW and the transmission speed to be 0.32-0.56 m/min;
if g is more than or equal to 20 and less than 30: setting the heating power of the microwave drying equipment to be 6-8 kW and the transmission speed to be 0.24-0.64 m/min;
if g is more than or equal to 30 and less than 40: setting the heating power of the microwave drying equipment to be 8-12 kW and the transmission speed to be 0.48-0.96 m/min;
if g is more than or equal to 40: the heating power of the microwave drying equipment is set to be 12-13 kW, and the transmission speed is set to be 0.32-1.20 m/min.
4. A microwave drying method according to claim 2, characterized in that: in the step 4, the paving thickness of the uniform paving material is 4-10 mm.
5. A microwave drying method according to claim 4, characterized in that: in the step 4, the paving thickness of the uniform paving material is 6-8 mm.
6. A microwave drying method according to claim 2, characterized in that: in step 6, the water content of the dried particles is 5-10%.
7. A microwave drying method according to claim 2, characterized in that: in step 6, the water content of the dried particles is 6-9%.
8. A microwave drying method according to claim 2, characterized in that: in the step 8, the classification screening is performed by using 20-mesh, 30-mesh and 40-mesh screens, and the obtained 20-30-mesh particles and 30-40-mesh particles are respectively sealed and stored.
9. A microwave drying method according to claim 2, characterized in that: in step 8, the sealed storage is food-grade stainless steel sealed barrels or food-grade plastic sealed barrels.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010505150.3A CN111616404A (en) | 2020-06-05 | 2020-06-05 | Microwave drying method for heating particles for cigarettes |
| PCT/CN2020/125297 WO2021243937A1 (en) | 2020-06-05 | 2020-10-30 | Method for microwave drying granules for making heated cigarettes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010505150.3A CN111616404A (en) | 2020-06-05 | 2020-06-05 | Microwave drying method for heating particles for cigarettes |
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| CN111616404A true CN111616404A (en) | 2020-09-04 |
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| CN202010505150.3A Pending CN111616404A (en) | 2020-06-05 | 2020-06-05 | Microwave drying method for heating particles for cigarettes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021243937A1 (en) * | 2020-06-05 | 2021-12-09 | 安徽中烟工业有限责任公司 | Method for microwave drying granules for making heated cigarettes |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021243937A1 (en) | 2021-12-09 |
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