LOW-TEMPERATURE SMOKING BODY AND PREPARATION METHOD THEREOF

Abstract

A low-temperature smoking body and a preparation method thereof are disclosed. The low-temperature smoking body includes tobacco particles. The tobacco particle comprise includes a particle body and a shell wrapped on the particle body. A carrier is distributed in the particle body and/or the shell. The carrier includes at least one of a raw tobacco material, a non-tobacco material, and a porous material. The carrier carries a smoking agent, and the smoking agent includes a tobacco extract and/or an atomizer. In addition, a preparation method of the low-temperature smoking body is further disclosed. The low-temperature smoking body has better smoking stability and uniformity, and the tobacco particles having core-shell structures can effectively solve the problem of liquid leakage.

Claims

1-14. (canceled)

15. A low-temperature smoking body, comprising tobacco particles, wherein: a tobacco particle of the tobacco particles comprises a particle body and a shell wrapped on the particle body, a carrier is distributed in the particle body and/or the shell, the carrier comprises at least one of a raw tobacco material, a non-tobacco material, and a porous material, the carrier carries a smoking agent, and the smoking agent comprises a tobacco extract and/or an atomizing agent.

16. The low-temperature smoking body according to claim 15, wherein: the smoking agent comprises a tobacco extract and an atomizing agent, and the mass ratio of the carrier, the tobacco extract, and the atomizing agent is (50-150):(1-15):(5-30).

17. The low-temperature smoking body according to claim 15, wherein: the porous material comprises an organic porous material; further, the porous material comprises at least one of corncob particles, rice husk particles, walnut shell particles, grapefruit peel particles, tobacco stem particles, tea particles, porous silica gel, active carbon, porous ceramic particles, and porous molecular sieves; and further, the non-tobacco material comprises at least one of microcrystalline cellulose, tea, hemp pulp fibers, bamboo fibers, coconut fibers, starch, coffee shells, and mint leaves.

18. The low-temperature smoking body according to claim 15, wherein: the porous material comprises an inorganic porous material; further, the porous material comprises at least one of corncob particles, rice husk particles, walnut shell particles, grapefruit peel particles, tobacco stem particles, tea particles, porous silica gel, active carbon, porous ceramic particles, and porous molecular sieves; and further, the non-tobacco material comprises at least one of microcrystalline cellulose, tea, hemp pulp fibers, bamboo fibers, coconut fibers, starch, coffee shells, and mint leaves.

19. The low-temperature smoking body according to claim 15, wherein: a magnetic material is distributed in the particle bodies, and preferably, the magnetic material comprises at least one of ferrite, iron alloy, and nickel alloy.

20. The low-temperature smoking body according to claim 15, wherein: the carrier has a particle size of 40-80 meshes; and further, the tobacco particle has a diameter of 10-40 meshes, and the moisture content of the tobacco particle is 8-25 wt %.

21. The low-temperature smoking body according to claim 15, wherein: a tobacco powder layer is also provided between the particle body and the shell, and the mass ratio of the tobacco powder layer to the particle body is 100:(5-25).

22. The low-temperature smoking body according to claim 15, wherein the mass ratio of the shell to the tobacco particle is (0.1-5):100.

23. The low-temperature smoking body according to claim 15, wherein the shell contains one or more of hydroxypropyl methyl cellulose, hydroxypropyl cellulose, povidone, sodium carboxymethyl cellulose, microcrystalline cellulose, polyethylene glycol, and polyvinyl alcohol.

24. The low-temperature smoking body according to claim 15, wherein the shell contains a tobacco powder material.

25. The low-temperature smoking body according to claim 16, wherein the shell contains a tobacco powder material.

26. The low-temperature smoking body according to claim 15, wherein: the low-temperature smoking body has a porous and air-permeable structure, and its internal effective porosity is 65-95%; and preferably, the moisture content of the low-temperature smoking body is 5-13 wt %.

27. The low-temperature smoking body according to claim 16, wherein: the low-temperature smoking body has a porous and air-permeable structure, and its internal effective porosity is 65-95%; and preferably, the moisture content of the low-temperature smoking body is 5-13 wt %.

28. The low-temperature smoking body according to claim 15, wherein: the low-temperature smoking body has a cavity structure; further, the low-temperature smoking body is cylindrical, the cavity structure extends along the length of the low-temperature smoking body, preferably, the cross section of the cavity structure is one of circle, ellipse, square, and rhombus; preferably, the moisture content of the low-temperature smoking body is 6-12 wt %, and further, the effective porosity of the solid part of the low-temperature smoking body is 40-80%.

29. The low-temperature smoking body according to claim 16, wherein: the low-temperature smoking body has a cavity structure; further, the low-temperature smoking body is cylindrical, the cavity structure extends along the length of the low-temperature smoking body, preferably, the cross section of the cavity structure is one of circle, ellipse, square, and rhombus; preferably, the moisture content of the low-temperature smoking body is 6-12 wt %, and further, the effective porosity of the solid part of the low-temperature smoking body is 40-80%.

30. A preparation method of a low-temperature smoking body comprising tobacco particles, the preparation method comprising: placing the tobacco particles in a mold to solidify to obtain the finished low-temperature smoking body, wherein a tobacco particle of the tobacco particles comprises a particle body and a shell wrapped on the particle body; and distributing a carrier in a particle body and/or a shell, wherein: the carrier comprises at least one of a raw tobacco material, a non-tobacco material, and a porous material, the carrier carries a smoking agent, and the smoking agent comprises a tobacco extract and/or an atomizing agent.

31. The preparation method according to claim 30, further comprising: mixing a carrier and a smoking agent uniformly, granulating, and sizing to obtain particle bodies, wherein the carrier is a raw tobacco material and/or a non-tobacco material; and preparing shells on surfaces of the particle bodies to obtain finished tobacco p articles; or, spraying a smoking agent onto a porous material, followed by uniform mixing; granulating with the porous material loaded with the smoking agent as particle bodies and a mixture of a tobacco powder material and a first binder as a shell material, drying and sieving to obtain finished tobacco particles; wherein preferably, the first binder comprises polyvinyl alcohol and/or carboxymethyl cellulose; or, mixing a tobacco extract and an atomizing agent uniformly, and then granulating and drying together with a carrier, a first binder, and particle bodies containing a magnetic material to obtain finished tobacco particles.

32. The preparation method according to claim 31, wherein after the tobacco particles are mixed with a second binder uniformly, the mixture is placed in the mold and molded to obtain a finished low-temperature smoking body.

33. The preparation method according to claim 31, wherein after the tobacco particles are mixed with a second binder uniformly, the mixture is placed in the mold and molded to obtain a finished low-temperature smoking body.

34. The preparation method according to claim 30, wherein: the smoking agent comprises a tobacco extract and an atomizing agent, and the mass ratio of the carrier, the tobacco extract, and the atomizing agent is (50-150):(1-15):(5-30).

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0070] FIG. 1 is a cross-sectional structural schematic diagram of a low-temperature smoking body in Example 12.

[0071] FIG. 2 is a cross-sectional structural schematic diagram of a low-temperature smoking body in Example 13.

[0072] FIG. 3 is a cross-sectional structural schematic diagram of a low-temperature smoking body in Example 14.

[0073] In the figures, 1—low-temperature smoking body, 2—cavity structure.

DETAILED DESCRIPTION OF THE EMBODIMENTS

[0074] The following examples are intended to illustrate the content of the present invention, rather than to further limit the protection scope of the present invention.

Example 1

[0075] A preparation method of a low-temperature smoking body in this embodiment included the following steps:

[0076] 1) 100 parts of 100-200 mesh tobacco powder was weighed in parts by mass; 6 parts of tobacco extract, 5 parts of glycerin, 10 parts of glycerol and 12 parts of 95% alcohol were weighed, mixed uniformly and then sprayed into the tobacco powder, followed by uniform mixing, extrusion and granulation to obtain soft and moist tobacco particles; 2) 10 parts of 150-200 mesh tobacco powder was weighed and mixed with the soft and moist tobacco particles obtained in step (1), the mixture was rounded and sieved, and 10-40 mesh particles therein were dried at 50° C. to obtain semi-finished tobacco particles; 3) 0.3 part of sodium carboxymethyl cellulose was dissolved in 20 parts of water, the semi-finished tobacco particles were coated with povidone on a fluidized bed, the coating material accounted for 2% of the mass of the tobacco particles, and the moisture of the finished particles was controlled to 15 wt % to obtain required tobacco particles; and 4) a certain mass of tobacco particles was weighed, placed in a special cylindrical cavity mold, appropriately pressed and quickly heated to 100° C., the heat was preserved for a certain time to control the internal moisture of the particles to about 10 wt %, the particles were quickly cooled to room temperature, the tobacco particles in the mold had been bonded into a rod, and the rod was taken out to obtain the required low-temperature smoking body. The low-temperature smoking body can be directly filled into a corresponding low-temperature cigarette set or tobacco pipe as a smoking material, can also be rolled into a cigarette for smoking, and had the advantages of fast smoking, sufficient smoke, good uniformity throughout smoking, many puffs of smoking, good aroma and strong sense of satisfaction.

Example 2

[0077] A preparation method of a low-temperature smoking body in this embodiment included the following steps:

[0078] 1) 100 parts of 100-200 mesh tobacco powder by mass was weighed; 12 parts of tobacco extract, 10 parts of glycerin, 5 parts of propylene glycol and 10 parts of glycerol and 15 parts of water were weighed, mixed uniformly and then sprayed into the tobacco powder, followed by uniform mixing, extrusion and granulation to obtain soft and moist tobacco particles; 2) 20 parts of 150-200 mesh tobacco powder was weighed and mixed with the soft and moist tobacco particles, the mixture was rounded and sieved, and 10-40 mesh particles therein were dried at 50° C. to obtain semi-finished tobacco particles; 3) 1 part of povidone and 0.5 part of polyethylene glycol were dissolved in 20 parts of water, the semi-finished tobacco particles were coated with hydroxypropyl methyl cellulose on a fluidized bed, the coating material accounted for 4% of the mass of the tobacco particles, and the moisture of the finished particles was controlled to 18 wt % to obtain required tobacco particles; and 4) a certain mass of tobacco particles was weighed, placed in a special cylindrical cavity mold, appropriately pressed, treated with microwave for 45 s and quickly cooled to room temperature, the tobacco particles in the mold had been bonded into a rod, and the rod was taken out to obtain the required low-temperature smoking body.

[0079] The low-temperature smoking body can be directly filled into a corresponding low-temperature cigarette set or tobacco pipe as a smoking material, can also be rolled into a cigarette for smoking, and had the advantages of fast smoking, sufficient smoke, good uniformity throughout smoking, many puffs of smoking, good aroma and strong sense of satisfaction.

Example 3

[0080] A preparation method of a low-temperature smoking body in this embodiment included the following steps:

[0081] 1) 100 parts of 100-200 mesh tobacco powder and 50 parts of 100-200 mesh microcrystalline cellulose were weighed in parts by mass; 6 parts of tobacco extract, 5 parts of glycerin, 10 parts of glycerol and 12 parts of 95% alcohol were weighed, mixed uniformly and then sprayed into the tobacco powder and the microcrystalline cellulose, followed by uniform mixing, extrusion and granulation to obtain soft and moist tobacco particles; 2) 10 parts of 150-200 mesh tobacco powder was weighed and mixed with the soft and moist tobacco particles obtained in step (1), the mixture was rounded and sieved, and 10-40 mesh particles therein were dried at 50° C. to obtain semi-finished tobacco particles; 3) 0.3 part of sodium carboxymethyl cellulose was dissolved in 20 parts of water to coat the semi-finished tobacco particles, and the moisture of the finished particles was controlled to 15 wt % to obtain required tobacco particles; and 4) a certain mass of tobacco particles was weighed, placed in a special cylindrical cavity mold, appropriately pressed and quickly heated to 100° C., the heat was preserved for a certain time to control the internal moisture of the particles to about 10 wt %, the particles were quickly cooled to room temperature, the tobacco particles in the mold had been bonded into a rod, and the rod was taken out to obtain the required low-temperature smoking body.

[0082] The low-temperature smoking body can be directly filled into a corresponding low-temperature cigarette set or tobacco pipe as a smoking material, can also be rolled into a cigarette for smoking, and had the advantages of fast smoking, sufficient smoke, good uniformity throughout smoking, many puffs of smoking, good aroma, moderate nicotine content and less irritation.

Example 4

[0083] A preparation method of a low-temperature smoking body in this embodiment included the following steps:

[0084] 1) 100 parts of 120-200 mesh tobacco powder and 20 parts of 100-200 mesh tea powder were weighed in parts by mass; 12 parts of tobacco extract, 10 parts of glycerin, 5 parts of propylene glycol, 10 parts of glycerol and 15 parts of water were weighed, mixed uniformly and then sprayed into the tobacco powder and the tea powder, followed by uniform mixing, extrusion and granulation to obtain soft and moist tobacco particles; 2) 20 parts of 150-200 mesh tobacco powder was weighed and mixed with the soft and moist tobacco particles obtained in step (1), the mixture was rounded and sieved, and 10-40 mesh particles therein were dried at 50° C. to obtain semi-finished tobacco particles; 3) 1 part of povidone and 0.5 part of polyethylene glycol were dissolved in 20 parts of water to coat the semi-finished tobacco particles, and the moisture of the finished particles was controlled to 18 wt % to obtain required tobacco particles; and 4) a certain mass of tobacco particles was weighed, placed in a special cylindrical cavity mold, appropriately pressed, treated with microwave for 45 s and quickly cooled to room temperature, the tobacco particles in the mold had been bonded into a rod, and the rod was taken out to obtain the required low-temperature smoking body.

[0085] The low-temperature smoking body can be directly filled into a corresponding low-temperature cigarette set or tobacco pipe as a smoking material, can also be rolled into a cigarette for smoking, and had the advantages of fast smoking, sufficient smoke, good uniformity throughout smoking, many puffs of smoking, good aroma, light tea fragrance, moderate nicotine content and less irritation.

Example 5

[0086] A preparation method of a low-temperature smoking body in this embodiment included the following steps:

[0087] 1) 100 parts of 120-200 mesh tobacco powder, 30 parts of 100-200 mesh hemp pulp fibers and 20 parts of 150 mesh starch were weighed in parts by mass; 12 parts of tobacco extract, 10 parts of glycerin, 5 parts of propylene glycol, 10 parts of glycerol and 15 parts of water were weighed, mixed uniformly and then sprayed into the tobacco powder and the hemp pulp fibers, followed by uniform mixing, extrusion and granulation to obtain soft and moist tobacco particles; 2) 20 parts of 150-200 mesh tobacco powder was weighed and mixed with the soft and moist tobacco particles, the mixture was rounded and sieved, and 10-40 mesh particles therein were dried at 50° C. to obtain semi-finished tobacco particles; 3) 1 part of povidone and 0.5 part of polyethylene glycol were dissolved in 20 parts of water to coat the semi-finished tobacco particles, and the moisture of the finished particles was controlled to 18 wt % to obtain required tobacco particles; and 4) a certain mass of tobacco particles was weighed, placed in a special cylindrical cavity mold, appropriately pressed, treated with microwave for 45 s and quickly cooled to room temperature, the tobacco particles in the mold had been bonded into a rod, and the rod was taken out to obtain the required low-temperature smoking body.

[0088] The low-temperature smoking body can be directly filled into a corresponding low-temperature cigarette set or tobacco pipe as a smoking material, can also be rolled into a cigarette for smoking, and had the advantages of fast smoking, sufficient smoke, good uniformity throughout smoking, many puffs of smoking, good aroma, moderate nicotine content and less irritation.

Example 6

[0089] A preparation method of a low-temperature smoking body in this embodiment included the following steps: 1) 5 parts of tobacco extract, 10 parts of glycerol and 5 parts of glycerin were weighed in parts by mass, and mixed uniformly to obtain a smoking agent; 2) 50 parts of 40-60 mesh corncob particles were weighed, and the smoking agent was sprayed onto the corncob particles, followed by uniform mixing; 3) 100 parts of 100-200 mesh tobacco powder was weighed, and 2% carboxymethyl cellulose aqueous solution was prepared as a first binder; 4) with the corncob particles adsorbing the liquid ingredients as cores, a tobacco powder material was wrapped on the surfaces of the corncob particles by using a general method under the action of the first binder, and the particles were dried to the moisture of 10% and sieved to obtain 20-40 mesh tobacco particles for later use; and 5) 5% hydroxypropyl cellulose aqueous solution was prepared as a second binder for molding and sprayed onto the surfaces of the prepared tobacco particles, the both were mixed uniformly, the particles were placed in a special cylindrical cavity mold, appropriately pressed and quickly heated to 100° C., the heat was preserved for a certain time to control the internal moisture of the particles to about 10 wt %, the particles were quickly cooled to room temperature, the tobacco particles in the mold had been bonded into a rod, and the rod was taken out to obtain the required low-temperature smoking body.

[0090] The low-temperature smoking body can be directly filled into a corresponding low-temperature cigarette set or tobacco pipe as a smoking material, can also be rolled into a cigarette for smoking, and had the advantages of fast smoking, sufficient smoke, good uniformity throughout smoking, many puffs of smoking, good aroma and strong sense of satisfaction.

Example 7

[0091] A preparation method of a low-temperature smoking body in this embodiment included the following steps: 1) 10 parts of tobacco extract, 5 parts of glycerol and 10 parts of glycerin were weighed in parts by mass, and mixed uniformly; 2) 40 parts of 40-60 mesh active carbon was weighed, and the mixed solution was sprayed onto the active carbon powder, followed by uniform mixing; 3) 100 parts of 100-200 mesh tobacco powder was weighed, and 2% carboxymethyl cellulose aqueous solution was prepared as a first binder; 4) with the active carbon particles adsorbing the liquid ingredients as cores, tobacco powder was wrapped on the surface of the active carbon by using a general method under the action of the binder, and the particles were dried to the moisture of 10% and sieved to obtain 20-40 mesh tobacco particles for later use; and 5) 5% PVP aqueous solution was prepared as a second binder for molding and sprayed onto the surfaces of the prepared tobacco particles, the both were mixed uniformly, the particles were placed in a special cylindrical cavity mold, appropriately pressed and quickly heated to 100° C., the heat was preserved for a certain time to control the internal moisture of the particles to about 9 wt %, the particles were quickly cooled to room temperature, the tobacco particles in the mold had been bonded into a rod, and the rod was taken out to obtain the required low-temperature smoking body.

[0092] The low-temperature smoking body can be directly filled into a corresponding low-temperature cigarette set or tobacco pipe as a smoking material, can also be rolled into a cigarette for smoking, and had the advantages of fast smoking, sufficient smoke, good uniformity throughout smoking, many puffs of smoking, good aroma and strong sense of satisfaction.

Example 8

[0093] A preparation method of a low-temperature smoking body in this embodiment included the following steps: 1) 5 parts of tobacco extract, 10 parts of glycerol and 5 parts of glycerin were weighed in parts by mass, and mixed uniformly; 2) 100 parts of 40-60 mesh porous ceramic particles were weighed, and the mixed solution was sprayed onto the porous ceramic, followed by uniform mixing; 3) 100 parts of 100-200 mesh tobacco powder was weighed, and 5% polyvinyl alcohol aqueous solution was prepared as a first binder; 4) with the porous ceramic particles adsorbing the liquid ingredients as cores, tobacco powder was wrapped on the surface of the porous ceramic by using a general method under the action of the binder, and the particles were dried to the moisture of 10% and sieved to obtain 20-40 mesh tobacco particles for later use; and 5) 5% povidone aqueous solution was prepared as a second binder for molding and sprayed onto the surfaces of the prepared tobacco particles, the both were mixed uniformly, the particles were placed in a special cylindrical cavity mold, appropriately pressed, treated with microwave for 45 s and quickly cooled to room temperature, the tobacco particles in the mold had been bonded into a rod, and the rod was taken out to obtain the required low-temperature smoking body.

[0094] The low-temperature smoking body can be directly filled into a corresponding low-temperature cigarette set or tobacco pipe as a smoking material, can also be rolled into a cigarette for smoking, and had the advantages of fast smoking, sufficient smoke, good uniformity throughout smoking, many puffs of smoking, good aroma and strong sense of satisfaction.

Example 9

[0095] A preparation method of a low-temperature smoking body in this embodiment included the following steps:

[0096] 1) 5 parts of tobacco extract, 10 parts of glycerol, and 5 parts of glycerin were weighed and mixed uniformly; 2) 20 parts of 60 mesh iron powder was weighed as cores, 100 parts of 150 mesh tobacco powder and the mixed solution were wrapped on the surface of the iron powder by using a general method under the action of carboxymethyl cellulose, followed by sieving to obtain 20-40 mesh tobacco particles for later use; 3) 5% hydroxypropyl cellulose aqueous solution was prepared as a second binder and sprayed onto the surfaces of the prepared tobacco particles, the both were mixed uniformly, the particles were placed in a special cylindrical cavity mold, appropriately pressed, dried at 50° C. for a period of time to control the internal moisture of the particles to about 10%, and quickly cooled to room temperature, the tobacco particles in the mold had been bonded into a rod, and the rod was taken out to obtain the required particle-based low-temperature smoking body. The low-temperature smoking body can be directly filled into a corresponding low-temperature cigarette set or tobacco pipe as a smoking material, can also be rolled into a cigarette for smoking, and had the advantages of fast smoking, sufficient smoke, good uniformity throughout smoking, many puffs of smoking, good aroma and strong sense of satisfaction.

Example 10

[0097] A preparation method of a low-temperature smoking body in this embodiment included the following steps:

[0098] 1) 10 parts of tobacco extract, 5 parts of glycerol, and 10 parts of glycerin were weighed and mixed uniformly; 2) 15 parts of 70-mesh ferromanganese alloy was weighed as cores, 100 parts of 120-mesh tobacco powder and the mixed solution were wrapped on the surface of the ferromanganese alloy powder by using a general method under the action of carboxymethyl cellulose, and the particles were dried to the moisture of 10% and sieved to obtain 20-40 mesh tobacco particles for later use; 3) 5% PVP aqueous solution was prepared as a second binder and sprayed onto the surfaces of the prepared tobacco particles, the both were mixed uniformly, the particles were placed in a special cylindrical cavity mold, appropriately pressed, dried at 50° C. for a period of time to control the internal moisture of the particles to about 8%, and quickly cooled to room temperature, the tobacco particles in the mold had been bonded into a rod, and the rod was taken out to obtain the required low-temperature smoking body. The low-temperature smoking body can be directly filled into a corresponding low-temperature cigarette set or tobacco pipe as a smoking material, can also be rolled into a cigarette for smoking, and had the advantages of fast smoking, sufficient smoke, good uniformity throughout smoking, many puffs of smoking, good aroma and strong sense of satisfaction.

Example 11

[0099] A preparation method of a low-temperature smoking body in this embodiment included the following steps:

[0100] 1) 5 parts of tobacco extract, 10 parts of glycerol, and 5 parts of glycerin were weighed and mixed uniformly; 2) 15 parts of 70-mesh iron-nickel alloy was weighed as cores, 100 parts of 200-mesh tobacco powder and the mixed solution were wrapped on the surface of the iron-nickel alloy powder by using a general method under the action of polyvinyl alcohol, and the particles were dried to the moisture of 10% and sieved to obtain 20-40 mesh tobacco particles for later use; 3) 5% polyvinyl alcohol aqueous solution was prepared as a second binder and sprayed onto the surfaces of the prepared tobacco particles, the both were mixed uniformly, the particles were placed in a special cylindrical cavity mold, appropriately pressed, dried at 50° C. for a period of time to control the internal moisture of the particles to about 8%, and quickly cooled to room temperature, the tobacco particles in the mold had been bonded into a rod, and the rod was taken out to obtain the required low-temperature smoking body. The low-temperature smoking body can be directly filled into a corresponding low-temperature cigarette set or tobacco pipe as a smoking material, can also be rolled into a cigarette for smoking, and had the advantages of fast smoking, sufficient smoke, good uniformity throughout smoking, many puffs of smoking, good aroma and strong sense of satisfaction.

Example 12

[0101] A preparation method of a low-temperature smoking body in this embodiment was as follows:

[0102] 1) 100 parts of 100-200 mesh tobacco powder, 50 parts of 100-200 mesh microcrystalline cellulose, 6 parts of tobacco extract, 5 parts of glycerin, 10 parts of glycerol, and 12 parts of 95% alcohol were weighed in parts by mass, mixed uniformly and then sprayed into the tobacco powder, followed by uniform mixing, extrusion and granulation to obtain soft and moist tobacco particles; 2) 10 parts of 150-200 mesh tobacco powder was weighed and mixed with the soft and moist tobacco particles, the mixture was rounded and sieved, and 10-40 mesh particles therein were dried at 50° C. to obtain semi-finished tobacco particles; 3) 0.3 part of sodium carboxymethyl cellulose was dissolved in 20 parts of water to coat the semi-finished tobacco particles, and the moisture of the finished particles was controlled to 15% to obtain required tobacco particles; and 4) a certain mass of tobacco particles was weighed, placed in a special cylindrical cavity mold with an elliptical solid column in the center, appropriately pressed and quickly heated to 100° C., the heat was preserved for a certain time to control the internal moisture of the particles to about 10%, the particles were quickly cooled to room temperature, the tobacco particles in the mold had been bonded into a rod, and the rod was taken out to obtain the required all-particle low-temperature smoking body with an elliptical cavity in the center. The low-temperature smoking body can be directly filled into a corresponding four-side heating and/or center heating low-temperature cigarette set as a smoking material, can also be rolled into a cigarette for smoking, and had the advantages of fast smoking, sufficient smoke, good uniformity throughout smoking, many puffs of smoking, and good aroma. The cross-sectional schematic diagram of the smoking body is shown in FIG. 1.

Example 13

[0103] A preparation method of a low-temperature smoking body in this embodiment was as follows:

[0104] 1) 100 parts of 120-200 mesh tobacco powder, 50 parts of 100-200 tea powder, 12 parts of tobacco extract, 10 parts of glycerin, 5 parts of propylene glycol, 10 parts of glycerol, and 15 parts of water were weighed in parts by mass, mixed uniformly and then sprayed into the tobacco powder, followed by uniform mixing, extrusion and granulation to obtain soft and moist particles; 2) 20 parts of 150-200 mesh tobacco powder was weighed and mixed with the soft and moist particles, the mixture was rounded and sieved, and 10-40 mesh particles therein were dried at 50° C. to obtain semi-finished tobacco particles; 3) 1 part of povidone and 0.5 part of polyethylene glycol were dissolved in 20 parts of water to coat the semi-finished tobacco particles, and the moisture of the finished particles was controlled to 18% to obtain required tobacco particles; and 4) a certain mass of tobacco particles was weighed, placed in a special cylindrical cavity mold with a cuboid solid column in the center, appropriately pressed, treated with microwave for 45 s and quickly cooled to room temperature, the tobacco particles in the mold had been bonded into a rod, and the rod was taken out to obtain the required low-temperature smoking body with a cuboid cavity in the center. The low-temperature smoking body can be directly filled into a corresponding four-side heating and/or center heating low-temperature cigarette set, can also be rolled into a cigarette for smoking, and had the advantages of fast smoking, sufficient smoke, good uniformity throughout smoking, many puffs of smoking, good aroma and light tea fragrance. The cross-sectional schematic diagram of the smoking body is shown in FIG. 2.

Example 14

[0105] A preparation method of a low-temperature smoking body in this embodiment was as follows:

[0106] 1) 100 parts of 120-200 mesh tobacco powder, 30 parts of 100-200 tea hemp pulp fibers, 20 parts of 150-mesh starch, 12 parts of tobacco extract, 10 parts of glycerin, 5 parts of propylene glycol, 10 parts of glycerol, and 15 parts of water were weighed in parts by mass, mixed uniformly and then sprayed into the tobacco powder, followed by uniform mixing, extrusion and granulation to obtain soft and moist particles; 2) 20 parts of 150-200 mesh tobacco powder was weighed and mixed with the soft and moist particles, the mixture was rounded and sieved, and 10-40 mesh particles therein were dried at 50° C. to obtain semi-finished tobacco particles; 3) 1 part of povidone and 0.5 part of polyethylene glycol were dissolved in 20 parts of water to coat the semi-finished tobacco particles, and the moisture of the finished particles was controlled to 18% to obtain required tobacco particles; and 4) a certain mass of tobacco particles was weighed, placed in a special cylindrical cavity mold with a circular solid column in the center, appropriately pressed, treated with microwave for 45 s and quickly cooled to room temperature, the tobacco particles in the mold had been bonded into a rod, and the rod was taken out to obtain the required low-temperature smoking body with a circular cavity in the center.

[0107] The low-temperature smoking body can be directly filled into a corresponding four-side heating and/or center heating low-temperature cigarette set, can also be rolled into a cigarette for smoking, and had the advantages of fast smoking, sufficient smoke, good uniformity throughout smoking, many puffs of smoking, good aroma, moderate nicotine content and less irritation. The cross-sectional schematic diagram of the smoking body is shown in FIG. 3.

[0108] The contents illustrated by the above embodiments should be understood as these embodiments 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.