Integrally-formed heat-not-burn smoke cartridge and preparation method thereof

Abstract

The invention provides a preparation method of an integrally formed heat-not-burn cigarette cartridge, which comprises the following steps: A) mixing and forming a tobacco raw material, an adhesive, water and perfume, and freeze-drying to obtain a porous tobacco incense stick inner core; and B) stirring and mixing a tobacco raw material, an adhesive, a reinforcing agent and a humectant, pouring the mixture into a mold containing the porous tobacco incense stick inner core, and freeze-drying to obtain the integrally-formed heat-not-burn cigarette cartridge. The smoke cartridge prepared from the tobacco raw materials and the additives through a freeze drying method contains rich three-dimensional porous honeycomb structures and has the advantages of being large in specific surface area, high in porosity, small in density and the like, a gas path is formed, smoke and aroma components can be rapidly dissolved out and released easily, the suction resistance is reduced, and the user experience is better. The porosity of the internal passage structure of the three-dimensional porous smoke cartridge can be adjusted through the solid content of the raw materials. And the integrally-formed smoke cartridge prepared by the process is better in uniformity, and the stability of the product can be remarkably improved.

Description

Technical Field

[0001] The present invention relates to the technical field of tobacco, and in particular to an integrated heat-not-burn cigarette cartridge and a preparation method thereof. Background Art

[0002] At present, the mainstream reconstituted tobacco production methods in the world mainly include the thick pulp method, the roller pressing method, and the papermaking method. Although the current mainstream reconstituted tobacco production method is relatively mature, it still requires steps such as shredding and rolling, and the process is relatively complicated. In addition, the reconstituted tobacco shreds are prone to uneven distribution in heat-not-burn (HNB) cartridges, which will affect the consistency of the cartridges and the smoking experience, resulting in unstable smoke release during smoking.

[0003] Therefore, how to improve the uniformity, stability and dissolution characteristics of new tobacco products is a technical problem that needs to be solved urgently by those skilled in the art. Summary of the invention

[0004] In view of this, the technical problem to be solved by the present invention is to provide an integrated molded heat-not-burn cigarette cartridge. The cigarette cartridge provided by the present invention has a large specific surface area, a high porosity, a low density, and is easy to dissolve.

[0005] The present invention provides a method for preparing an integrated heat-not-burn cigarette cartridge, comprising:

[0006] A) mixing tobacco raw materials, adhesive, water and spices into a mixture, and freeze-drying to obtain a porous tobacco incense stick inner core;

[0007] B) The tobacco raw material, adhesive, enhancer and humectant are stirred and mixed, poured into a mold containing the porous tobacco incense stick inner core, and freeze-dried to obtain an integrated heat-not-burn cigarette cartridge.

[0008] Preferably, in step A), the tobacco raw material is obtained by grinding and pulverizing one or more of tobacco flakes, tobacco dust, tobacco fragments, tobacco stem shreds, and expanded stem shreds; and the particle size of the tobacco raw material is 60-300 meshes.

[0009] Preferably, in step A), the binder comprises one or more of carboxymethyl cellulose, methyl cellulose, ethyl cellulose, acetyl cellulose, guar gum, gum arabic, shellac, alginic acid (potassium calcium), agar, gelatin, xanthan gum, chitosan, carob gum, konjac glucomannan, carbon powder, nanmu powder, and agarwood powder; the fragrance comprises monomer essence or fragrance extract;

[0010] The inner core of the porous tobacco incense stick is in the shape of a cylinder, a cuboid, a triangular prism or a five-pointed star prism.

[0011] Preferably, the molding process in step A) includes compression molding or extrusion molding; the compression parameters are to produce an inner core of a stick of incense with a length of 16.5 cm and a diameter of 1-5 mm; the extrusion process includes putting the mixed material into a fragrance making machine, extruding it downward by an extrusion head, and the compressed material is extruded from a mold hole with a hole diameter of 1-5 mm. The mold hole can be a single hole or a row of multiple holes, and can extrude sticks of incense arranged in rows; the freeze-drying parameters include a pre-freezing temperature of -60°C to 10°C, a pre-freezing time of 2h to 24h, a freeze-drying vacuum degree lower than 200pa, a freeze-drying temperature of -60°C to 60°C, and a freeze-drying time of 15h to 36h.

[0012] The mass ratio of the tobacco raw material, adhesive, water and flavor is 2:1:1:0-613:14.2:500:1.

[0013] Preferably, step B)

[0014] The tobacco raw material is obtained by grinding and pulverizing one or more of tobacco flakes, tobacco dust, tobacco fragments, tobacco stem shreds, and expanded stem shreds; the particle size of the tobacco raw material is 60-300 meshes;

[0015] The binder comprises one or more of carboxymethyl cellulose, methyl cellulose, ethyl cellulose, acetyl cellulose, guar gum, gum arabic, shellac, alginic acid (potassium calcium), agar, gelatin, xanthan gum, chitosan, carob gum or konjac glucomannan;

[0016] The reinforcing agent includes wood pulp fiber, tobacco fiber, modified starch, and starch; the humectant includes one or more of glycerol, sorbitol, xylitol, ethylene glycol, and propylene glycol.

[0017] Preferably, the stirring and mixing in step B) is stirring and mixing at 20-90°C;

[0018] The mass ratio of the tobacco raw material, water, adhesive, enhancer and humectant is 5.9:11.8:1:2.35:2.94-10:66.7:1:1.7:5.

[0019] Preferably, the freeze drying in step B) comprises: pre-freezing at -60°C to 10°C for 2h to 24h, then placing in a freeze dryer with a vacuum degree lower than 200 Pa and a temperature of -60°C to 60°C, and freeze drying for 15h to 36h.

[0020] Preferably, in step B), the shape of the mold includes a cylinder, a cuboid, a triangular prism or a pentagonal prism; the material of the mold includes one or more of polymer plastic, hard paper tube, soft paper tube, and cigarette paper.

[0021] The present invention provides an integrated heat-not-burn cigarette cartridge, which is prepared by the preparation method described in any one of the above technical solutions.

[0022] The present invention provides a heated cigarette, comprising the cigarette cartridge described in the above technical solution.

[0023] Compared with the prior art, the present invention provides a method for preparing an integrated heat-not-burn cigarette cartridge, comprising: A) mixing tobacco raw materials, adhesives, water and spices, freeze-drying to obtain a porous tobacco incense stick inner core; B) stirring and mixing tobacco raw materials, adhesives, enhancers, and humectants, pouring them into a mold containing the above-mentioned porous tobacco incense stick inner core, and freeze-drying to obtain an integrated heat-not-burn cigarette cartridge. The present invention uses tobacco raw materials and additives to prepare a cigarette cartridge with a rich three-dimensional porous honeycomb structure inside by a freeze-drying method, which has the advantages of a large specific surface area, a high porosity, and a low density, forming an air path, which is easy to dissolve and release smoke and aroma components quickly, reducing the suction resistance, and providing a better user experience. The internal passage structure and porosity of the three-dimensional porous cigarette cartridge can be adjusted by the solid content of the raw materials. And the integrated cigarette cartridge prepared by this process has better uniformity, and the stability of the product will be significantly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 . Schematic diagram of the internal structure of the three-dimensional porous integrated heat-not-burn cigarette cartridge in Example 2;

[0025] Figure 2 . Schematic diagram of the internal structure of the three-dimensional porous integrated heat-not-burn cigarette cartridge in Example 3;

[0026] Figure 3 Schematic diagram of the three-dimensional porous integrated molding heat-not-burn cigarette cartridge effect;

[0027] Figure 4 . Scanning electron microscope microstructure diagram of Example 1;

[0028] Figure 5 . Test results of thermogravimetric experiment on cigarette cartridge in Example 1. DETAILED DESCRIPTION

[0029] The present invention provides an integrated heat-not-burn cigarette cartridge and a method for preparing the same. Those skilled in the art can refer to the content of this article and appropriately improve the process parameters to achieve the desired effect. It should be noted in particular that all similar substitutions and modifications are obvious to those skilled in the art, and they all fall within the scope of protection of the present invention. The methods and applications of the present invention have been described through preferred embodiments, and relevant personnel can obviously modify or appropriately change and combine the methods and applications of this article without departing from the content, spirit and scope of the present invention to implement and apply the technology of the present invention.

[0030] In this application, the term "and / or" describes the association relationship of associated objects, indicating that there may be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. A and B can be singular or plural.

[0031] Therefore, it is necessary to develop an integrated molding method for preparing three-dimensional porous heat-not-burn cigarette cartridges. This application mainly prepares HNB cartridges through a freeze-drying method.

[0032] Vacuum freeze drying can obtain a three-dimensional porous structure by sublimating frozen solid ice under vacuum conditions.

[0033] The integrated heat-not-burn cigarette cartridge provided by the present invention comprises a porous tobacco incense stick inner core and a peripheral protective layer.

[0034] The structure of the HNB cartridge of the present application is similar to that of a pencil, and is mainly composed of two parts: a "pencil core" and a "wooden protective layer". The first part, the round core part, is mainly a tobacco incense stick, which can be adjusted to have different flavors; the second part, the outer protective layer, is a three-dimensional porous cartridge made of a slurry containing tobacco ingredients. The one-piece molding method is simple, and can form complex parts with multiple layers and round cores of different shapes. The tobacco raw materials and auxiliary materials are evenly distributed in the HNB cartridge. At the same time, it also has a porous structure, which is conducive to the stable release of smoke during smoking, and the cartridge has good consistency and smoking experience.

[0035] The present invention provides a method for preparing an integrated heat-not-burn cigarette cartridge, comprising:

[0036] A) mixing tobacco raw materials, adhesive, water and spices into a mixture, and freeze-drying to obtain a porous tobacco incense stick inner core;

[0037] B) The tobacco raw material, adhesive, enhancer and humectant are stirred and mixed, poured into a mold containing the porous tobacco incense stick inner core, and freeze-dried to obtain an integrated heat-not-burn cigarette cartridge.

[0038] The integrated heat-not-burn cigarette cartridge provided by the present invention first prepares a porous tobacco incense stick inner core, mixes tobacco raw materials, adhesive, water and spices into a mixture, and freeze-dries the mixture to obtain a porous tobacco incense stick inner core.

[0039] The tobacco raw material of the present invention is obtained by grinding and pulverizing one or more of tobacco flakes, tobacco dust, tobacco fragments, tobacco stem shreds, and expanded stem shreds; the particle size of the tobacco raw material is 60-300 mesh; specifically, it can be 60 mesh, 100 mesh, 150 mesh, 200 mesh, 250 mesh, 300 mesh, or a range between any two of the above.

[0040] The adhesive of the present invention comprises one or more of carboxymethyl cellulose, methyl cellulose, ethyl cellulose, acetyl cellulose, guar gum, gum arabic, shellac, alginic acid (potassium calcium), agar, gelatin, xanthan gum, chitosan, carob gum, konjac glucomannan, carbon powder, nanmu powder, agarwood powder.

[0041] The flavors include monomer flavors or flavor extracts, including but not limited to sweet orange flavor, honeydew melon flavor, blueberry flavor, mint flavor, coffee flavor, grape flavor, caramel flavor, peach flavor, passion fruit flavor, cucumber flavor, and lemon flavor.

[0042] According to the present invention, the mass ratio of the tobacco raw material, adhesive, water and flavor is 2:1:1:0~613:14.2:500:1.

[0043] Preferably, the mass ratio of the tobacco raw material, adhesive, water and flavor is 600:29:500:1.

[0044] The shape of the inner core of the porous tobacco incense stick of the present invention includes but is not limited to a cylinder, a cuboid, a triangular prism or a five-pointed star prism.

[0045] The diameter of the inner core of the porous tobacco incense stick of the present invention is preferably 1-5 mm; specifically, it can be 1 mm, 1.5 mm, 2 mm, 3 mm or 5 mm.

[0046] Among them, the molding process includes compression molding or extrusion molding; the compression parameters are to make an inner core of a stick of incense with a length of 16.5 cm and a diameter of 1~5 mm; the extrusion process includes putting the mixed material into a fragrance making machine, extruding it downward by an extrusion head, and the compressed material is extruded from a mold hole with a hole diameter of 1~5 mm. The mold hole can be a single hole or a row of multiple holes, and can extrude incense sticks arranged in rows; the freeze-drying parameters include a pre-freezing temperature of -60℃~10℃, a pre-freezing time of 2h~24h, a freeze-drying vacuum degree lower than 200pa, a freeze-drying temperature of -60℃~60℃, and a freeze-drying time of 15h~36h.

[0047] The tobacco raw material, adhesive, enhancer and humectant are stirred and mixed, and poured into a mold containing the porous tobacco incense stick inner core.

[0048] The tobacco raw material of the present invention is obtained by grinding and pulverizing one or more of tobacco flakes, tobacco dust, tobacco fragments, tobacco stem shreds, and expanded stem shreds; the particle size of the tobacco raw material is 60-300 mesh; specifically, it can be 60 mesh, 100 mesh, 150 mesh, 200 mesh, 250 mesh, 300 mesh, or a range between any two of the above.

[0049] The adhesive of the present invention comprises one or more of carboxymethyl cellulose, methyl cellulose, ethyl cellulose, acetyl cellulose, guar gum, gum arabic, shellac, alginic acid (potassium calcium), agar, gelatin, xanthan gum, chitosan, carob gum, and konjac glucomannan.

[0050] The reinforcing agent includes wood pulp fiber, tobacco fiber, modified starch, and starch; the humectant includes one or more of glycerol, sorbitol, xylitol, ethylene glycol, and propylene glycol.

[0051] The stirring and mixing of the present invention is stirring and mixing at 20-90°C; preferably stirring and mixing at 30-80°C; more preferably stirring and mixing at 40-70°C.

[0052] According to the present invention, the mass ratio of the tobacco raw material, water, adhesive, enhancer and humectant is 5.9:11.8:1:2.35:2.94~10:66.7:1:1.7:5.

[0053] Preferably, the mass ratio of the tobacco raw material, water, adhesive, enhancer and humectant is 13.3:40:1:5.3:5.3.

[0054] After being poured into a mold containing the above-mentioned porous tobacco incense stick inner core, it is freeze-dried to obtain an integrated heat-not-burn cigarette cartridge.

[0055] The freeze drying of the present invention comprises: pre-freezing at -60°C to 10°C for 2h to 24h, placing in a freeze drying machine with a vacuum degree lower than 200pa and a temperature of -60°C to 60°C, and freeze drying for 15h to 36h.

[0056] Preferably, the pre-freezing temperature is -40°C to -15°C; the freeze-drying temperature is -60°C to -30°C, and the time is 20-24 hours.

[0057] The shape of the mold of the present invention includes a cylinder, a cuboid, a triangular prism or a pentagonal prism; the material of the mold includes one or more of polymer plastic, hard paper tube, soft paper tube and cigarette paper.

[0058] The present invention provides an integrated heat-not-burn cigarette cartridge, which is prepared by the preparation method described in any one of the above technical solutions.

[0059] The present invention provides a heated cigarette, comprising the cigarette cartridge described in the above technical solution.

[0060] The present invention provides a method for preparing an integrated heat-not-burn cigarette cartridge, comprising: A) mixing tobacco raw materials, adhesives, water and spices, freeze-drying to obtain a porous tobacco incense stick inner core; B) stirring and mixing tobacco raw materials, adhesives, enhancers, and humectants, pouring them into a mold containing the above-mentioned porous tobacco incense stick inner core, and freeze-drying to obtain an integrated heat-not-burn cigarette cartridge. The present invention uses tobacco raw materials and additives to prepare a cigarette cartridge with a rich three-dimensional porous honeycomb structure inside by a freeze-drying method, which has the advantages of a large specific surface area, a high porosity, and a low density, forming an air path, which is easy to dissolve and release smoke and aroma components quickly, reducing the suction resistance, and providing a better user experience. The internal passage structure and porosity of the three-dimensional porous cigarette cartridge can be adjusted by the solid content of the raw materials. In addition, the integrated cigarette cartridge prepared by this process has better uniformity, and the stability of the product will be significantly improved.

[0061] The fragrance of the incense stick inside the cigarette cartridge of the present invention can be adjusted to have different flavors by using spices. In addition, the size and shape of the cigarette cartridge can be arbitrarily adjusted according to the shape of the mold. There are a large number of porous network structures inside the integrated heat-not-burn cigarette cartridge, and the porous structure can control the porosity and open porosity of the cigarette cartridge by increasing or decreasing the solid content and selecting different polysaccharide materials. The size and shape of the integrated heat-not-burn cigarette cartridge and the internal incense stick core can be adjusted.

[0062] It should be understood that in the various embodiments of the present application, the size of the serial numbers of the above-mentioned processes does not mean the order of execution, some or all of the steps can be executed in parallel or sequentially, and the execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0063] The numerical ranges and parameters involved in the present invention have presented the relevant numerical values ​​in the specific embodiments as accurately as possible. However, any numerical value essentially inevitably contains standard deviations due to individual testing methods. Therefore, unless otherwise explicitly stated, it should be understood that all numerical ranges or specific data used in this disclosure may have certain reasonable deviations within a certain range, for example: within 1% or 0.5%.

[0064] Some cases are recorded in the embodiments and comparative examples of the present invention, wherein the embodiments show certain implementation modes of the present invention. However, this does not mean that the effects of the present invention can only be achieved in these cases.

[0065] In order to further illustrate the present invention, an integrated heat-not-burn cigarette cartridge and a preparation method thereof provided by the present invention are described in detail below in conjunction with embodiments.

[0066] Embodiment 1:

[0067] (1) Round core porous tobacco incense sticks

[0068] Raw material weight or volume

[0069] 150g water

[0070] Tobacco powder 184g

[0071] Carboxymethyl cellulose 0.75g

[0072] Xanthan gum 1g

[0073] Nanmu powder 2.5g

[0074] Blueberry flavor 0.3g

[0075] (2) External protective layer

[0076] Tobacco powder 75g

[0077] 225g water

[0078] Guar gum 3g

[0079] Carboxymethyl cellulose 2.5g

[0080] Sodium alginate 0.15g

[0081] Propylene glycol 30g

[0082] 30g wood pulp fiber

[0083] Figure 3 This is a schematic diagram of the effect of a three-dimensional porous integrated heat-not-burn cigarette cartridge; Figure 4 . Scanning electron microscope microstructure diagram of Example 1; Figure 5 . Example 1 Thermogravimetric test results of cigarette cartridges. Figure 4 The internal structure of the outer protective layer of the heat-not-burn cigarette cartridge is shown. It can be seen that the internal porous cavity is uniform in structure. Figure 5 It shows the thermal stability of the heat-not-burn tobacco cartridge material. From the figure, it can be seen that around 100°C there is a loss of a small amount of water, 196.01°C is the temperature at which the weightlessness process starts; 349.01°C is the temperature at which the weightlessness process ends, and it has good thermal stability.

[0084] Embodiment 2:

[0085] (1) Round core porous tobacco incense sticks

[0086] Raw material weight or volume

[0087] 25g water

[0088] 65g of shredded rice flour

[0089] Carboxymethyl cellulose 5.25g

[0090] Guar gum 1.5g

[0091] Nanmu powder 2.5g

[0092] Carbon powder 30g

[0093] Coffee essence 0.1g

[0094] (2) External protective layer

[0095] Tobacco powder 75g

[0096] 150g water

[0097] Carboxymethyl cellulose 1g

[0098] Gum Arabic 2g

[0099] Xanthan gum 0.1g

[0100] Propylene glycol and glycerol 30g

[0101] Wood pulp fiber 20g

[0102] Figure 1 This is a schematic diagram of the internal structure of the three-dimensional porous integrated heat-not-burn cigarette cartridge in Example 2.

[0103] Embodiment 3:

[0104] (1) Round core porous tobacco incense sticks

[0105] Raw material weight or volume

[0106] 25g water

[0107] 30g shredded rice flour

[0108] Carboxymethyl cellulose 0.5g

[0109] Guar gum 1g

[0110] Nanmu powder 3g

[0111] Carbon powder 10g

[0112] Honeydew melon flavor 0.05g

[0113] (2) External protective layer

[0114] 100g shredded rice flour

[0115] 300g water

[0116] Ethyl cellulose 5g

[0117] Gum Arabic 2g

[0118] Chitosan 0.3g

[0119] Propylene glycol and glycerol 10g

[0120] Wood pulp fiber 10g

[0121] Figure 2 Schematic diagram of the internal structure of the three-dimensional porous integrated heat-not-burn cigarette cartridge in Example 3.

[0122] Embodiment 4:

[0123] (1) Round core porous tobacco incense sticks

[0124] Raw material weight or volume

[0125] 40g water

[0126] Tobacco powder 80g

[0127] Carboxymethyl cellulose 2g

[0128] Agar 3g

[0129] Nanmu powder 5g

[0130] Carbon powder 10g

[0131] Agarwood powder 20g

[0132] (2) External protective layer

[0133] Tobacco powder 50g

[0134] Water 100g

[0135] Carboxymethyl cellulose 3.5g

[0136] Sodium alginate 5g

[0137] Propylene glycol 25g

[0138] Wood pulp fiber 20g

[0139] Embodiment 5:

[0140] (1) Round core porous tobacco incense sticks

[0141] Raw material weight or volume

[0142] 30g water

[0143] 40g shredded rice flour

[0144] Sodium alginate 2g

[0145] Carboxymethyl cellulose 5g

[0146] Carbon powder 10g

[0147] Agarwood powder 20g

[0148] Cucumber flavor 0.2g

[0149] (2) External protective layer

[0150] 30g shredded rice flour

[0151] 150g water

[0152] Ethyl cellulose 5g

[0153] Gum Arabic 0.5g

[0154] Chitosan 0.3g

[0155] Propylene glycol and glycerol 10g

[0156] Wood pulp fiber 10g

[0157] Embodiment 6:

[0158] (1) Round core porous tobacco incense sticks

[0159] Raw material weight or volume

[0160] 30g water

[0161] Tobacco powder 60g

[0162] Carboxymethyl cellulose 5g

[0163] Glycerin 0.5g

[0164] Nanmu powder 20g

[0165] Sweet orange flavor 1g

[0166] (2) External protective layer

[0167] 30g shredded rice flour

[0168] 200g water

[0169] Ethyl cellulose 1g

[0170] Chitosan 2g

[0171] Propylene glycol and glycerol 15g

[0172] Wood pulp fiber 5g

[0173] Comparative Example 1

[0174] Round core porous tobacco incense sticks

[0175] Raw material weight or volume

[0176] 150g water

[0177] Tobacco powder 184g

[0178] Carboxymethyl cellulose 0.75g

[0179] Xanthan gum 1g

[0180] Nanmu powder 2.5g

[0181] Blueberry flavor 0.3g

[0182] (3) External protective layer

[0183] Tobacco powder 75g

[0184] 225g water

[0185] Guar gum 3g

[0186] Carboxymethyl cellulose 2.5g

[0187] Sodium alginate 0.15g

[0188] Propylene glycol 30g

[0189] Comparative Example 2

[0190] (1) Round core porous tobacco incense sticks

[0191] Raw material weight or volume

[0192] 25g water

[0193] 65g of stem powder

[0194] Guar gum 1.5g

[0195] Nanmu powder 2.5g

[0196] Carbon powder 30g

[0197] Coffee essence 0.1g

[0198] (2) External protective layer

[0199] Tobacco powder 75g

[0200] 150g water

[0201] Gum Arabic 2g

[0202] Xanthan gum 0.1g

[0203] Propylene glycol and glycerol 30g

[0204] Wood pulp fiber 20g

[0205] Preparation method:

[0206] Tobacco raw materials, adhesives, water and spices are mixed and formed, and freeze-dried to obtain a porous tobacco incense stick inner core; tobacco raw materials, adhesives, enhancers and humectants are stirred and mixed, poured into a mold containing the porous tobacco incense stick inner core, and freeze-dried to obtain an integrated heated non-burning cigarette cartridge.

[0207] The specific parameters are shown in Table 1, and the performance is shown in Table 2. Figure 4 As shown, the sample structure is uniform. Figure 5 The thermogravimetric test results of Example 1 show that the sample has good stability.

[0208] Table 1

[0209]

[0210] Table 2

[0211]

[0212] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A method for preparing an integrated heat-not-burn cigarette cartridge, characterized in that: include: A) mixing tobacco raw materials, adhesive, water and spices into a mixture, and freeze-drying to obtain a porous tobacco incense stick inner core; B) The tobacco raw material, adhesive, enhancer and humectant are stirred and mixed, poured into a mold containing the porous tobacco incense stick inner core, and freeze-dried to obtain an integrated heat-not-burn cigarette cartridge.

2. The preparation method according to claim 1, characterized in that: Step A) The tobacco raw material is obtained by grinding and pulverizing one or more of tobacco flakes, tobacco dust, tobacco fragments, tobacco stem shreds, and expanded stem shreds; the particle size of the tobacco raw material is 60-300 meshes.

3. The preparation method according to claim 1, characterized in that: Step A) the binder comprises one or more of carboxymethyl cellulose, methyl cellulose, ethyl cellulose, acetyl cellulose, guar gum, gum arabic, shellac, alginic acid (potassium calcium), agar, gelatin, xanthan gum, chitosan, carob gum, konjac glucomannan, carbon powder, nanmu powder, and agarwood powder; the fragrance comprises monomer essence or fragrance extract; The shape of the inner core of the porous tobacco incense stick is cylindrical, rectangular, triangular or five-pointed star.

4. The preparation method according to claim 1, characterized in that: Step A) The molding process includes compression molding or extrusion molding; the compression parameters are: making a stick incense core with a length of 16.5 cm and a diameter of 1-5 mm; the molding process includes putting the mixed material into a fragrance making machine, extruding it downward by an extrusion head, and the compressed material is extruded from a mold hole with a hole diameter of 1-5 mm. The mold hole can be a single hole or a row of multiple holes, and the stick incense can be extruded in rows; the freeze-drying parameters include a pre-freezing temperature of -60°C to 10°C, a pre-freezing time of 2h to 24h, a freeze-drying vacuum degree lower than 200pa, a freeze-drying temperature of -60°C to 60°C, and a freeze-drying time of 15h to 36h; The mass ratio of the tobacco raw material, adhesive, water and flavor is 2:1:1:0-613:14.2:500:

1.

5. The preparation method according to claim 1, characterized in that: Step B) The tobacco raw material is obtained by grinding and pulverizing one or more of tobacco flakes, tobacco dust, tobacco fragments, tobacco stem shreds, and expanded stem shreds; the particle size of the tobacco raw material is 60-300 meshes; The binder comprises one or more of carboxymethyl cellulose, methyl cellulose, ethyl cellulose, acetyl cellulose, guar gum, gum arabic, shellac, alginic acid (potassium calcium), agar, gelatin, xanthan gum, chitosan, carob gum or konjac glucomannan; The reinforcing agent includes wood pulp fiber, tobacco fiber, modified starch, and starch; the humectant includes one or more of glycerol, sorbitol, xylitol, ethylene glycol, and propylene glycol.

6. The preparation method according to claim 5, characterized in that: Step B) the stirring and mixing is stirring and mixing at 20-90°C; The mass ratio of the tobacco raw material, water, adhesive, enhancer and humectant is 5.9:11.8:1:2.35:2.94~10:66.7:1:1.7:

5.

7. The preparation method according to claim 1, characterized in that: Step B) The freeze drying comprises: pre-freezing at -60°C to 10°C for 2h to 24h, then placing in a freeze dryer with a vacuum degree lower than 200pa and a temperature of -60°C to 60°C, and freeze drying for 15h to 36h.

8. The preparation method according to claim 1, characterized in that: Step B) The shape of the mold includes a cylinder, a cuboid, a triangular prism or a pentagonal prism; the material of the mold includes one or more of polymer plastic, hard paper tube, soft paper tube, cigarette paper.

9. An integrated heat-not-burn cigarette cartridge, characterized in that: Prepared by the preparation method according to any one of claims 1 to 8.

10. A heated cigarette, characterized in that: Including the cigarette cartridge described in claim 9.

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