Patent ID: 12213512

DETAILED DESCRIPTION OF EMBODIMENTS

The following examples are intended to illustrate the content of the present invention, not to further limit the protection scope of the present invention.

Example 1

A preparation method of abnormally-shaped tobacco granules in this embodiment included the following steps:1) a tobacco raw material was mechanically pulverized into tobacco powder of less than 60 meshes; 2) a tobacco extract, propylene glycol, and 50 vol % alcohol were mixed uniformly in a mass ratio of 1:5:10 to obtain a mixed solution; 3) the mixed solution and the tobacco powder were mixed uniformly in a mass ratio of 25:75 to form a soft material; 4) the soft material was extruded into strips by means of a mold with six sharp bulges at edges of extrusion holes, the strips were cut into small granules, and the small granules were stood for 10 min, then dried at a low temperature of 60° C., further shaped, and screened to select granules of 15-35 meshes; and 5) a 10% polyvidone solution was prepared, and the prepared granules were coated to obtain required abnormally-shaped tobacco granules, wherein the coating was 0.5% of the weight of the abnormally-shaped tobacco granule, the bulk density of the abnormally-shaped tobacco granules was 0.60 g/cm3, and the schematic cross-sectional view of the granules was shown inFIG.1.

A preparation method of a total-granule low temperature smoke producing body included: the prepared abnormally-shaped tobacco granules were conveyed to a conveyor belt of a granule hot-curing molding device via a quantitative adding system, and the feed was further controlled via a flow limiting valve to enter a granule hot-curing molding cavity; the granules were quickly heated and humidified under the action of high-temperature water vapor, the surface adhesive coating was activated, and the loose granules were quickly bonded into continuous wet cigarette rods under negative pressure; the wet cigarette rods quickly lost moisture and were cooled and cured into total-granule cigarette rods under the action of a cooling and moisture discharge system; and the total-granule cigarette rods were conveyed to a cigarette gun of a subsequent cigarette making machine by a conveying system, then wrapped with cigarette paper, cooled, wrapped with tipping paper, and cut into heating non-burning granule cigarettes with proper length like traditional cigarettes.

Example 2

A preparation method of abnormally-shaped tobacco granules in this embodiment included the following steps:1) a tobacco material was mechanically pulverized into tobacco powder of less than 60 meshes; 2) a tobacco extract, propylene glycol, glycerin, and 75 vol % alcohol were mixed uniformly in a mass ratio of 2:5:5:15; 3) the mixed solution and the tobacco powder were mixed uniformly in a mass ratio of 30:70 to form a soft material; 4) the soft material was extruded into strips by means of a mold with ten arc bulges at edges of extrusion holes, the strips were cut into small granules, and the small granules were stood for 10 min, then dried at a low temperature of 60° C., further shaped, and screened to select granules of 15-35 meshes; and 5) a 8% polyvinyl alcohol solution was prepared, and the prepared granules were coated to obtain required abnormally-shaped tobacco granules, wherein the coating was 1.5% of the weight of the abnormally-shaped tobacco granule, the bulk density of the abnormally-shaped tobacco granules was 0.65 g/ml, and the schematic cross-sectional view of the granules was shown inFIG.2.

A preparation method of a total-granule low temperature smoke producing body included: the prepared abnormally-shaped tobacco granules were conveyed to a conveyor belt of a granule hot-curing molding device via a quantitative adding system, and the feed was further controlled via a flow limiting valve to enter a granule hot-curing molding cavity; the granules were quickly heated and humidified under the action of high-temperature water vapor, the surface adhesive coating was activated, and the loose granules were quickly bonded into continuous wet cigarette rods under negative pressure; the wet cigarette rods quickly lost moisture and were cooled and cured into total-granule cigarette rods under the action of a cooling and moisture discharge system; and the total-granule cigarette rods were conveyed to a cigarette gun of a subsequent cigarette making machine by a conveying system, then wrapped with cigarette paper, cooled, wrapped with tipping paper, and cut into heating non-burning granule cigarettes with proper length like traditional cigarettes.

Example 3

A preparation method of abnormally-shaped tobacco granules in this embodiment included the following steps:1) a tobacco raw material was mechanically pulverized into tobacco powder of less than 60 meshes; 2) a tobacco extract, propylene glycol, glycerine, and 75 vol % alcohol were mixed uniformly in a mass ratio of 2:5:10:105; 3) the mixed solution was mixed uniformly with microcrystalline cellulose in a mass ratio of 1:3 to prepare a wet material; 4) the wet material and the tobacco powder were mixed uniformly in a mass ratio of 1:1 to prepare a soft material; 5) the soft material was extruded into strips by means of a mold with solid cakes in centers of extrusion holes, the strips were cut into small granules, and the small granules were stood for 10 min, then dried at a low temperature of 60° C., further shaped, and screened to select granules of 15-35 meshes as tobacco granule bodies; and 6) a 10% mixed solution was prepared wherein the mass ratio of polyethylene glycol and polyvidone is 1:1, and the prepared tobacco granules were coated to obtain required abnormally-shaped tobacco granules, wherein the coating was 1% of the weight of the abnormally-shaped tobacco granule, the bulk density of the abnormally-shaped tobacco granules was 0.75 g/ml, and the schematic cross-sectional view of the granules was shown inFIG.3.

A preparation method of a total-granule low temperature smoke producing body included: the prepared abnormally-shaped tobacco granules were conveyed to a conveyor belt of a granule hot-curing molding device via a quantitative adding system, and the feed was further controlled via a flow limiting valve to enter a granule hot-curing molding cavity; the granules were quickly heated and humidified under the action of high-temperature water vapor, the surface adhesive coating was activated, and the loose granules were quickly bonded into continuous wet cigarette rods under negative pressure; the wet cigarette rods quickly lost moisture and were cooled and cured into total-granule cigarette rods under the action of a cooling and moisture discharge system; and the total-granule cigarette rods were conveyed to a cigarette gun of a subsequent cigarette making machine by a conveying system, then wrapped with cigarette paper, cooled, wrapped with tipping paper, and cut into heating non-burning granule cigarettes with proper length like traditional cigarettes.

Example 4

A preparation method of abnormally-shaped tobacco granules in this embodiment included the following steps:1) a tobacco raw material was mechanically pulverized into tobacco powder of less than 80 meshes; 2) based on mass parts, 0.02 part of cigarette flavor and 0.1 part of maltooligosaccharide were added to 20 parts of 75 vol % alcohol, followed by uniform stirring, uniform spraying to 100 parts of tobacco powder, and uniform stirring to obtain a soft tobacco material; 3) the soft tobacco material was extruded into strips by means of a mold with six sharp bulges at edges of extrusion holes, the strips were cut into small granules, and the small granules were stood for 10 min, then dried at a low temperature of 60° C., further shaped, and screened to select granules of 15-35 meshes; and 4) a 10% polyvidone solution was prepared, and the prepared granules were coated to obtain required abnormally-shaped tobacco granules, wherein the coating was 0.5% of the weight of the abnormally-shaped tobacco granule, the bulk density of the granules was 0.55 g/ml, and the schematic cross-sectional view of the granules was shown inFIG.1.

A preparation method of total-granule cigarettes included: the abnormally-shaped tobacco granules were conveyed to a conveyor belt of a granule hot-curing molding device via a quantitative adding system, and the feed was further controlled via a flow limiting valve to enter a granule hot-curing molding cavity; the granules were quickly heated and humidified under the action of high-temperature water vapor, the surface adhesive coating was activated, and the loose granules were quickly bonded into continuous wet cigarette rods under negative pressure; the wet cigarette rods quickly lost moisture and were cooled and cured into total-granule cigarette rods under the action of a cooling and moisture discharge system; and the total-granule cigarette rods were conveyed to a cigarette gun of a subsequent cigarette making machine by a conveying system, then wrapped with cigarette paper, cooled, wrapped with tipping paper, and cut into total-granule cigarettes with proper length like traditional cigarettes.

Example 5

A preparation method of abnormally-shaped tobacco granules in this embodiment included the following steps:1) a tobacco raw material was mechanically pulverized into tobacco powder of less than 80 meshes; 2) based on mass parts, 0.05 part of cigarette flavor and 0.4 part of D-galactopyranouronic acid were added to 30 parts of 50 vol % alcohol, followed by uniform stirring, uniform spraying to 100 parts of tobacco powder, and uniform stirring to obtain a soft tobacco material; 3) the soft tobacco material was extruded into strips by means of a mold with ten arc bulges at edges of extrusion holes, the strips were cut into small granules, and the small granules were stood for 20 min, then dried at a low temperature of 60° C., further shaped, and screened to select granules of 15-35 meshes; and 4) a 8% polyvinyl alcohol solution was prepared, and the prepared granules were coated to obtain required abnormally-shaped tobacco granules, wherein the coating was 1% of the weight of the abnormally-shaped tobacco granule, the bulk density of the granules was 0.65 g/ml, and the schematic cross-sectional view of the granules was shown inFIG.2.

A preparation method of total-granule cigarettes included: the abnormally-shaped tobacco granules were conveyed to a conveyor belt of a granule hot-curing molding device via a quantitative adding system, and the feed was further controlled via a flow limiting valve to enter a granule hot-curing molding cavity; the granules were quickly heated and humidified under the action of high-temperature water vapor, the surface adhesive coating was activated, and the loose granules were quickly bonded into continuous wet cigarette rods under negative pressure; the wet cigarette rods quickly lost moisture and were cooled and cured into total-granule cigarette rods under the action of a cooling and moisture discharge system; and the total-granule cigarette rods were conveyed to a cigarette gun of a subsequent cigarette making machine by a conveying system, then wrapped with cigarette paper, cooled, wrapped with tipping paper, and cut into total-granule cigarettes with proper length like traditional cigarettes.

Example 6

A preparation method of abnormally-shaped tobacco granules in this embodiment included the following steps:1) a tobacco raw material was mechanically pulverized into tobacco powder of less than 80 meshes; 2) based on mass parts, 0.08 part of cigarette flavor, 0.2 part of D-galactopyranouronic acid and 0.3 part of glycerin were added to 30 parts of 50 vol % alcohol, followed by uniform stirring, uniform spraying to mixed powder of 100 parts of tobacco powder and 1 part of nano iron oxide, and uniform stirring to obtain a soft tobacco material; 3) the soft tobacco material was extruded into strips by means of a mold with solid cakes in centers of extrusion holes, the strips were cut into small granules, and the small granules were stood for 20 min, then dried at a low temperature of 60° C., further shaped, and screened to select granules of 15-35 meshes; and 4) a 10% mixed solution was prepared wherein the mass ratio of polyethylene glycol and povidone is 1:1, and the prepared granules were coated to obtain required abnormally-shaped tobacco granules, wherein the coating was 1% of the weight of the abnormally-shaped tobacco granule, the bulk density of the granules was 0.45 g/ml, and the schematic cross-sectional view of the granules was shown inFIG.3.

A preparation method of total-granule cigarettes included: the abnormally-shaped tobacco granules were conveyed to a conveyor belt of a granule hot-curing molding device via a quantitative adding system, and the feed was further controlled via a flow limiting valve to enter a granule hot-curing molding cavity; the granules were quickly heated and humidified under the action of high-temperature water vapor, the surface adhesive coating was activated, and the loose granules were quickly bonded into continuous wet cigarette rods under negative pressure; the wet cigarette rods quickly lost moisture and were cooled and cured into total-granule cigarette rods under the action of a cooling and moisture discharge system; and the total-granule cigarette rods were conveyed to a cigarette gun of a subsequent cigarette making machine by a conveying system, then wrapped with cigarette paper, cooled, wrapped with tipping paper, and cut into total-granule cigarettes with proper length like traditional cigarettes.

Comparative Example 1

In order to compare the differences of smoke producing bodies prepared from abnormally-shaped tobacco granules and conventional tobacco granules, the conventional tobacco granules were prepared in this example according to the proportion and steps of Example 1, including the following steps:1) a tobacco raw material was mechanically pulverized into tobacco powder of less than 60 meshes; 2) a tobacco extract, propylene glycol, and 50 vol % alcohol were mixed uniformly in a mass ratio of 1:5:10 to obtain a mixed solution; 3) the mixed solution and the tobacco powder were mixed uniformly in a mass ratio of 25:75 to form a soft material; 4) the soft material was extruded into strips by means of a conventional round hole mold, the strips were cut into small granules, and the small granules were stood for 10 min, then dried at a low temperature of 60° C., further shaped, and screened to select granules of 15-35 meshes; and 5) a 10% polyvidone solution was prepared, and the prepared granules were coated to obtain required tobacco granules, wherein the coating was 0.5% of the weight of the tobacco granule, the bulk density of the tobacco granules was 0.75 g/cm3, and the schematic cross-sectional view of the granules was shown inFIG.1.

A preparation method of a total-granule low temperature smoke producing body included: the prepared tobacco granules were conveyed to a conveyor belt of a granule hot-curing molding device via a quantitative adding system, and the feed was further controlled via a flow limiting valve to enter a granule hot-curing molding cavity; the granules were quickly heated and humidified under the action of high-temperature water vapor, the surface adhesive coating was activated, and the loose granules were quickly bonded into continuous wet cigarette rods under negative pressure; the wet cigarette rods quickly lost moisture and were cooled and cured into total-granule cigarette rods under the action of a cooling and moisture discharge system; and the total-granule cigarette rods were conveyed to a cigarette gun of a subsequent cigarette making machine by a conveying system, then wrapped with cigarette paper, cooled, wrapped with tipping paper, and cut into heating non-burning granule cigarettes with proper length like traditional cigarettes.

SampleSmoking evaluationExample 1Smooth smoking, relatively fast smoke producing speed, relatively sufficientsmoke, relatively good fragranceExample 2Smooth smoking, fast smoke producing speed, sufficient smoke, relatively goodfragranceExample 3Smooth smoking, fast smoke producing speed, very sufficient smoke, goodfragranceExample 4Smooth smoking, relatively fast smoke producing speed, adequate smoke,relatively good fragranceExample 5Smooth smoking, relatively fast smoke producing speed, adequate smoke,relatively good fragranceExample 6Smooth smoking, relatively fast smoke producing speed, adequate smoke,relatively good fragranceComparativeNot very smooth smoking, relatively slow smoke producing speed, relativelyExample 1adequate smoke, relatively good fragrance

The contents illustrated by the above examples should be understood as these examples are merely used for illustrating the present invention more clearly, rather than limiting the scope of the present invention. Various equivalent modifications made to the present invention by those skilled in the art after reading the present invention all fall within the scope defined by the appended claims of the present application.