CN108669626A - A kind of method preparing stem, stem and its application - Google Patents
A kind of method preparing stem, stem and its application Download PDFInfo
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- CN108669626A CN108669626A CN201810597260.XA CN201810597260A CN108669626A CN 108669626 A CN108669626 A CN 108669626A CN 201810597260 A CN201810597260 A CN 201810597260A CN 108669626 A CN108669626 A CN 108669626A
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- stem
- offal
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- stalk
- rate
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B5/00—Stripping tobacco; Treatment of stems or ribs
- A24B5/16—Other treatment of stems or ribs, e.g. bending, chopping, incising
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Abstract
The invention belongs to tobacco process fields, and in particular to a method of stem is prepared, is included the following steps：(1) raw material offal is washed into stalk, Terrier Storage obtains offal；(2) offal for obtaining step (1) steams stalk, obtains offal；(3) offal that step (2) obtains is washed, obtains offal；(4) offal that step (3) obtains is discongested into sub-wire, obtains the slurry containing stem；(5) moisture in step (4) acquisition slurry is removed, stem is obtained.The invention further relates to a kind of stem and its applications.Stem prepared by the method for the present invention has the advantages that discongest that rate height, broken rate is low, size qualification, uniformity is good, aesthetic quality is high, conglomeration rate is low, is not easy putty.
Description
Technical field
The invention belongs to tobacco process fields, and in particular to a method of preparing stem, further relate to a kind of stem and its
Using.
Background technology
Stem is the Filamentous tobacco product being prepared through series of processes by tobacco stalk raw material.In general, stem preparation process
Including：Regaining moisture of cabo (washing stalk), Terrier Storage, offal heat, chopping, stem charging, moisture regain, dry and puffing etc. processes.But it is existing
There are stem broken rate height, lack of homogeneity, unstable quality, quality prepared by technique more coarse, and the aesthetic quality of stem
Also bad.
In consideration of it, a kind of method preparing stem is needed at present, so that prepared stem broken rate is low, uniformity is good,
Stable quality, aesthetic quality are good.
Invention content
The present invention provides a kind of method preparing stem, prepared stem has the advantages that as follows at least one：It dredges
Solution rate is high, broken rate is low, size qualification, uniformity is good, do not easily cause putty, aesthetic quality is high, conglomeration rate is low.
First aspect present invention is related to a kind of method preparing stem, includes the following steps：
(1) raw material offal is washed into stalk, Terrier Storage obtains offal；
(2) offal for obtaining step (1) steams stalk, obtains offal；
(3) offal that step (2) obtains is washed, obtains offal；
(4) offal that step (3) obtains is discongested into sub-wire, obtains the slurry containing stem；
(5) moisture in step (4) acquisition slurry is removed, stem is obtained.
In some embodiments of first aspect present invention, raw material offal is the offal used as raw material, is ability
Domain is commonly used for preparing tobacco stalk raw material used in stem.
In some embodiments of first aspect present invention, in step (4), sub-wire is discongested by fiberizer, it is preferably high
Dense fiberizer.
In some embodiments of first aspect present invention, in step (4), the feed rate of fiberizer is 1210~
1490kg/h, preferably 1300~1400kg/h, such as 1230kg/h, 1260kg/h, 1280kg/h, 1320kg/h, 1350kg/
h、1380kg/h、1420kg/h、1450kg/h、1470kg/h、1480kg/h。
In some embodiments of first aspect present invention, in step (4), the frequency of the feed auger of fiberizer is 20~
23Hz, such as 20Hz, 21Hz, 22Hz.
In some embodiments of first aspect present invention, in step (4), the operating current of fiberizer is 100~150A,
Such as 110A, 120A, 125A, 130A, 135A, 140A, 145A.
In some embodiments of first aspect present invention, in step (4), discongest sub-wire number be it is one or many,
Preferably twice, such as three times, four times.
In some embodiments of first aspect present invention, in step (4), the fiberizer is this field routine defibrination
Machine.
In some embodiments of first aspect present invention, dewatered operation is real as follows in step (5)
It applies：The slurry that step (4) is obtained is separated by solid-liquid separation, and obtains liquid and solid phases, then solid formation is dried.
In some embodiments of first aspect present invention, in step (5), it is separated by solid-liquid separation by centrifuge.
In some embodiments of first aspect present invention, in step (5), centrifugal rotational speed is 2100~2900r/min, example
Such as 2200r/min, 2400r/min, 2600r/min, 2700r/min, 2800r/min, 2850r/min.
In some embodiments of first aspect present invention, in step (5), centrifugation time is 5 seconds to 5 minutes, preferably
10 seconds to 1 minute, such as 20 seconds, 30 seconds, 40 seconds, 50 seconds, 70 seconds, 80 seconds, 90 seconds, 2 minutes, 3 minutes, 4 minutes.
In some embodiments of first aspect present invention, in step (5), drying temperature is 100 DEG C~155 DEG C, preferably
It it is 100 DEG C~150 DEG C, such as 110 DEG C, 120 DEG C, 130 DEG C, 140 DEG C, 145 DEG C.
In some embodiments of first aspect present invention, in step (5), drying time is 0.5~10 minute, preferably
1~6 minute, such as 2 minutes, 3 minutes, 5 minutes, 8 minutes.
In some embodiments of first aspect present invention, in step (5), dry number be it is one or many, preferably
Twice.
In some embodiments of first aspect present invention, in step (5), dried by roller drying machine.
In some embodiments of first aspect present invention, in step (5), the barrel temperature of roller drying machine in drying process
Degree is 100 DEG C~160 DEG C, such as 110 DEG C, 120 DEG C, 125 DEG C, 130 DEG C, 135 DEG C, 140 DEG C, 145 DEG C, 150 DEG C, 155 DEG C.
In some embodiments of first aspect present invention, in step (5), in drying course, the heat in roller drying machine
Air temperature is 90 DEG C~130 DEG C, such as 95 DEG C, 100 DEG C, 105 DEG C, 110 DEG C, 115 DEG C, 120 DEG C, 125 DEG C, 128 DEG C.
In some embodiments of first aspect present invention, step (5) further includes：It will be in liquid phase object reuse to step (3)
Participate in washing.
In some embodiments of first aspect present invention, the preparation method includes one in following A to N or more
：
A. in step (1), wash stalk temperature be 60 DEG C~80 DEG C, preferably 62 DEG C~76 DEG C, for example, 63 DEG C, 65 DEG C, 67 DEG C,
69℃、71℃、74℃、76℃、77℃、79℃；
B. in step (1), wash stalk the time be 5~60 seconds, such as 6 seconds, 7 seconds, 8 seconds, 9 seconds, 11 seconds, 12 seconds, 14 seconds, 16
Second, 17 seconds, 20 seconds, 23 seconds, 26 seconds, 30 seconds, 34 seconds, 38 seconds, 40 seconds, 50 seconds, 57 seconds；
C. in step (1), Terrier Storage temperature is identical as stalk temperature is washed；
D. in step (1), the Terrier Storage time be 10 minutes or more, such as 15 minutes or more, 2 minutes or more, 25 minutes or more,
30 minutes or more, 40 minutes or more, 50 minutes or more, 60 minutes or more, 15 minutes, 20 minutes, 30 minutes, 40 minutes；
E. the moisture content that step (1) obtains offal is 30% (W/W)~40% (W/W), such as 32% (W/W), 34% (W/
W), 36% (W/W), 38% (W/W), 37% (W/W), 39% (W/W).
F. in step (2), steam stalk temperature be 70 DEG C~110 DEG C, such as 73 DEG C, 75 DEG C, 77 DEG C, 79 DEG C, 81 DEG C, 83 DEG C,
85℃、87℃、89℃、90℃、92℃、94℃、96℃、98℃、100℃、103℃、105℃、107℃、109℃；
G. in step (2), steam stalk the time be 5~90 seconds, such as 10 seconds, 13 seconds, 15 seconds, 17 seconds, 20 seconds, 23 seconds, 25 seconds,
27 seconds, 29 seconds, 30 seconds, 40 seconds, 50 seconds, 60 seconds, 70 seconds, 80 seconds, 88 seconds；
H. in step (2), steam pressure be 0.5~1.5MPa, such as 0.6~1MPa, 0.7MPa, 0.8MPa, 0.9MPa,
1.1MPa、1.2MPa、1.3MPa、1.4MPa；
I. the moisture content that step (2) obtains offal is 35% (W/W)~50% (W/W), preferably 37% (W/W), 39%
(W/W), 41% (W/W), 43% (W/W), 45% (W/W), 47% (W/W), 49% (W/W)；
J. in step (3), the number of washing be it is one or many, preferably twice；
Preferably, the time washed every time be 10~60 minutes, such as 15 minutes, 20 minutes, 25 minutes, 30 minutes, 35
Minute, 40 minutes, 50 minutes, 55 minutes；
K. in step (3), the solid-liquid ratio of washing is 1：(2~7) (g/g), such as 1:3(g/g)、1:4(g/g)、1:5(g/
g)、1:6(g/g)、1:6.5(g/g)；
L. in step (3), wash temperature be 50 DEG C~80 DEG C, such as 53 DEG C, 55 DEG C, 60 DEG C, 65 DEG C, 70 DEG C, 75 DEG C, 78
℃；
M. the water content that step (3) obtains offal is 68% (W/W)~90% (W/W), such as 70% (W/W), 72% (W/
W), 74% (W/W), 76% (W/W), 78% (W/W), 80% (W/W), 82% (W/W), 84% (W/W), 85% (W/W), 87%
(W/W), 88% (W/W), 89% (W/W)；
N. further include step (4 ') between step (4) and (5)：The slurry that step (4) obtains is washed, is obtained
Slurry；To dewatered operation in obtained slurry implementation steps (5)；
Preferably, in step (4 '), wash temperature is 70 DEG C~80 DEG C, such as 72 DEG C, 74 DEG C, 76 DEG C, 78 DEG C, 79 DEG C；
Preferably, in step (4 '), washing times be it is one or many, more preferably twice；
It is highly preferred that every time pulp washing time be 5 minutes or more, such as 7 minutes or more, 10 minutes or more, 20 minutes with
Above, 30 minutes or more, 40 minutes or more, 8 minutes, 10 minutes, 14 minutes, 16 minutes, 20 minutes, 30 minutes, 40 minutes, 50 points
Clock；
Preferably, in step (4 '), the solid-liquid ratio of pulp washing is 1：(3~9) (g/g), such as 1:3.5(g/g)、1:4(g/
g)、1:5(g/g)、1:6(g/g)、1:8(g/g)。
In some embodiments of first aspect present invention, washing in stalk, step (3) and/or step (4 ') in step (1)
Washing all use water, such as clear water, distilled water, tap water, deionized water, mineral water, pure water etc..
Second aspect of the present invention is related to a kind of stem, is prepared by the method described in first aspect present invention.
In some embodiments of second aspect of the present invention, stem discongests rate more than 98% (W/W), such as 99%
(W/W) more than, 99.5% (W/W) or more.
In some embodiments of second aspect of the present invention, the broken rate of stem is in 23% (W/W) hereinafter, such as 22%
(W/W) below, 20% (W/W) below, 22% (W/W), 23% (W/W), 20% (W/W), 15% (W/W).
In some embodiments of second aspect of the present invention, width of peduncle thread be 0.3~1.0 millimeter, such as 0.4 millimeter, 0.5
Millimeter, 0.7 millimeter, 0.9 millimeter.
In some embodiments of second aspect of the present invention, stem length is 1~4 centimetre, such as 2 centimetres, 3 centimetres.
In some embodiments of second aspect of the present invention, the conglomeration rate of stem is in 3% (W/W) hereinafter, such as 2.9%
(W/W) below, 2.7% (W/W) below, 2.5% (W/W) below, 2.3% (W/W) below, 2% (W/W) below, 2.9% (W/
W), 2.5% (W/W), 2% (W/W).
In some embodiments of second aspect of the present invention, the moisture content of stem is 8% (W/W)~24% (W/W), such as
10% (W/W), 12% (W/W), 14% (W/W), 16% (W/W), 18% (W/W), 20% (W/W), 21% (W/W), 22% (W/
W)。
In some embodiments of second aspect of the present invention, the coefficient of variation of stem length is less than 30%.
Third fermentation of the present invention is related to application of the stem described in second aspect of the present invention in improving Sensory Quality of Cigarette.
In some embodiments of third aspect present invention, the stalk described in second aspect of the present invention is contained in the cigarette
Silk.
In some embodiments of third aspect present invention, the pipe tobacco of the cigarette is the stalk described in second aspect of the present invention
Silk.
In some embodiments of third aspect present invention, aesthetic quality includes but not limited to fragrance, flue gas, miscellaneous gas, thorn
Swash property, inhale the technical indicators such as taste.
In the present invention, unless otherwise instructed
Term " offal " is the thick and stiff vein of tobacco leaf, accounts for about the 25%~30% of leaf weight.
Term " washing stalk " refers to that cleaning removes the impurity such as fine sand, the soil retained in offal.Washing stalk keeps offal clean and increases
Add the moisture content of offal.Stalk is usually washed to carry out in terrier wash machine.
Term " Terrier Storage " refers to keeping balance to maintain the operation of moisture into cabinet after washing stalk.
Term " steaming stalk " refers to the operation for offal heat processing at a certain temperature.
Term " discongesting sub-wire " refers to being rubbed offal by equipment such as fiberizers, fine to separate offal therein
Dimension.
The present invention achieves at least one of following advantageous effect：
1, stem prepared by the method for the present invention discongests rate height.
2, the stem broken rate that prepared by the method for the present invention is low.
3, the width of peduncle thread and length that prepared by the method for the present invention are qualified.
4, the homogeneity of stalk shreds that prepared by the method for the present invention is good.
5, the stem harmful chemical component content that prepared by the method for the present invention is low.
6, the stem aesthetic quality that prepared by the method for the present invention is high.
7, the stem conglomeration rate that prepared by the method for the present invention is low.
8, stem prepared by the method for the present invention does not easily cause putty.
Description of the drawings
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines
Attached drawing, the present invention is described in further detail, wherein
Fig. 1 is the flow diagram of 1 preparation method of the embodiment of the present invention.
Specific implementation mode
Embodiment 1
Preparation process is as shown in Figure 1：
(1) offal (the short stalk of Fujian Longyan, length are 2~5cm) is put into terrier wash machine, with 68 DEG C~70 DEG C of hot water wash
Stalk 10~15 seconds, after washing stalk, the moisture content of offal is 30% (W/W)~34% (W/W).
(2) offal heat preservation Terrier Storage obtained step (1) 30 minutes or more, holding temperature is still 68 DEG C~70 DEG C, is terminated
Afterwards, the moisture content of offal rises to 34% (W/W)~40% (W/W).
(3) offal that step (2) obtains is put into and is steamed in stalk machine, stalk is steamed at 85 DEG C~95 DEG C 15~20 seconds, vapour pressure
It tries hard to keep and holds 0.7~0.85MPa, the moisture content of offal is promoted to 38% (W/W)~43% (W/W).
(4) offal that step (3) obtains is put into level-one washing tank, with 1:Clear water is added in the solid-liquid ratio of 5.5 (g/g),
It is mixed 30 minutes, mixing temperature is 60 DEG C~65 DEG C, is then separated by solid-liquid separation with squeezing machine, obtains admittedly containing in solid formation
Amount is 28% (W/W)~32% (W/W), is arranged outside obtained liquid phase object.Solid formation is added in two level washing tank again, still with 1:
Clear water is added in the solid-liquid ratio of 5.5 (g/g), is mixed 20 minutes, and mixing temperature is 65 DEG C~70 DEG C, is carried out again with squeezing machine
It is separated by solid-liquid separation, the moisture content for obtaining solid formation is 77% (W/W)~82% (W/W), the still outer row of obtained liquid phase object.
(5) by solid formation that moisture content is 77% (W/W)~82% (W/W), to discongest sub-wire (highly concentrated through two successively twice
Fiberizer discongests sub-wire), the feed rate of high-density paste mill is 1300~1400kg/h, and the frequency of feed auger is 20~
22Hz, operating current are 120~135A, obtain the slurry containing stem.
(6) slurry obtained step (5) and 74 DEG C~78 DEG C of hot water are with 1:The solid-liquid ratio of 7 (g/g) is mixed 10
Minute or more, it is then centrifuged 30~40 seconds with 2700 ± 20r/min rotating speeds, collects solid formation, the liquid isolated returns
Two level washing is participated in the two level washing tank of step (4)；Solid formation is put into the roller that barrel temperature is 135 DEG C~145 DEG C to dry
Twice, 2~3 minutes every time, the hot blast temperature that when drying is passed through in cylinder was 105 DEG C~115 DEG C, finally obtains and contains for drying in dry machine
Water rate is the stem I of 14% (W/W)~18% (W/W).
Comparative example 1
Step (4) in embodiment 1 is omitted, remaining is same as Example 1, obtains stem A.
Comparative example 2
The feed rate of high-density paste mill in (5) the step of embodiment 1 is controlled as 1200kg/h and 1500kg/h,
Remaining is same as Example 1, respectively obtains stem B and C.
Comparative example 3
To be discongested in 1 step of embodiment (5) sub-wire number adjust separately as primary (high-density paste mill is adjusted to one) and
Four times (discongesting sub-wire through four high-density paste mills successively), remaining is same as Example 1, respectively obtains stem D and E.
Comparative example 4
By the feed auger frequency of high-density paste mill in 1 step of embodiment (5) be separately adjusted to angularly 18~19Hz and 24~
26Hz, remaining is same as Example 1, respectively obtains stem F and G.
Comparative example 5
Centrifugal rotational speed in 1 step of embodiment (6) is separately adjusted to angularly 2000r/min and 3000r/min, remaining operation with
Embodiment 1 is identical, respectively obtains stem H and stem J.
Test case 1 discongests the inspection of sub-wire effect
It examines stem I and stem A~G's to discongest sub-wire effect, the results are shown in Table 1.
Wherein, the assay method of indices is as follows：
1. the rate assay method of discongesting is：After discongesting sub-wire, hand picking single fiber calculates single fiber weight and accounts for cigarette
Obstruct the percentage of weight.
2. broken rate assay method：Broken rate is measured using oscillating separator, be of five storeys sieve altogether in oscillating separator, makes
It is measured with the 3rd layer of sieve therein.When measurement, oscillating separator is cleaned out, it will about 300 ± 30g (being accurate to 0.01g) stem
Sample is uniformly layered on the conveyor belt surface of the 3rd layer of sieve (aperture 6.35mm), starts machine, sample is made to be sieved through the 3rd layer of sieve
Point, enter in collection bucket through the stem of sieve, weighs the stem (being accurate to 0.01g grams) in collection bucket, be calculated as follows and make
Broken rate (result of calculation amendment to 0.01%).
Wherein：
V3--- broken rate (% (W/W))；
D3--- the stem weight (g) in collection bucket；
W3--- stem example weight (g).
3. width of peduncle thread assay method：10~20 stems are taken, with vernier caliper measurement width.
4. stem length measuring method：10~20 stems are taken, with vernier caliper measurement length.
5. homogeneity of stalk shreds assay method：The length for measuring 10~20 stems, calculates the coefficient of variation according to the following formula；Variation
Coefficient ＜ 30%, then it is assumed that uniformity is preferable.
Wherein：
cv--- the coefficient of variation；
σ --- the standard deviation of stem length；
μ --- the average value of stem length.
General provision in the art：The width of qualified stem is 0.3~1.0 millimeter, and length is 1~4 centimetre.
Table 1
"-" expression is not measured.
As shown in Table 1：
Compared with stem A, stem prepared by the method for the present invention discongests that rate higher, uniformity are more preferable, are not easy putty, this explanation
The carrying out washing treatment of step (4) helps to discongest the raising of rate and uniformity, helps to solve the problems, such as putty.
Compared with stem B, the method for the present invention prepare stem discongest rate higher, width will not it is wide, uniformity is more preferable；With
Stem C is compared, the method for the present invention prepare stem broken rate is lower, width will not it is narrow, uniformity is more preferable, is not easy putty.This
Illustrate that suitable fiberizer feed rate helps to improve the broken rate of stem discongested rate and uniformity, reduce stem, obtains
The stem of suitable width, it helps solve the problems, such as putty.
Compared with stem D, the method for the present invention prepare stem discongest rate higher, width will not it is wide, uniformity is more preferable；With
Stem E is compared, the method for the present invention prepare stem broken rate is lower, width will not narrow, length will not be too short.This explanation is suitable
Discongest sub-wire number help to improve the broken rate of stem discongested rate and uniformity, reduce stem, obtain appropriate length and
The stem of width.
Compared with stem F, width of peduncle thread prepared by the method for the present invention will not be wide；Compared with stem G, the method for the present invention system
Standby width of peduncle thread will not narrow, uniformity be more preferable, is not easy putty.This illustrates that suitable feed auger frequency helps to obtain
The stem of suitable width helps to improve the uniformity of stem, it helps solve the problems, such as putty.
As it can be seen that stem prepared by the method for the present invention is discongested, rate higher, broken rate are lower, uniformity is more preferable, the width of stem
It is qualified with length, and the method for the present invention does not easily cause putty problem.
The detection of 2 stem chemical composition of test case
The chemical composition for detecting stem I, the results are shown in Table 2.
Wherein, the detection of each ingredient is carried out according to following standard：
YC/T-160-2002《The measurement continuous flow method of tobacco and tobacco product total alkaloid》；
YC/T-159-2002《The measurement continuous flow method of tobacco and tobacco product water-soluble sugar》；
YC/T-173-2003《The measurement flame spectrometry of tobacco and tobacco product potassium》；
YC/T-162-2002《The measurement continuous flow method of tobacco and tobacco product chlorine》；
YC/T-161-2002《The measurement continuous flow method of tobacco and tobacco product total nitrogen》.
Table 2
In conjunction with table 2 it is found that each chemical composition content in stem prepared by the method for the present invention meets regulation.
3 sensory quality assessment of test case
I. maceration extract is prepared：74~78 DEG C of hot water of 700g and 100g offals are mixed 30 minutes, centrifuges, obtains
To liquid phase object.Liquid phase object is settled 30 minutes, the extracting solution for centrifuging to obtain slag-containing rate less than 0.2% (W/W) through butterfly centrifugal machine.
Extracting solution is concentrated into 1.2 ± 0.075g/cm3, then by 100g concentrates and 1.2g fragrance insulated and stirred at 50 DEG C~55 DEG C
15 minutes, obtain maceration extract.
Ii. the stem of equivalent I, A, H and J are immersed respectively in the maceration extract of 50 DEG C~55 DEG C of same volume, impregnates 6~8 points
Then clock is all separated by solid-liquid separation with centrifuge；Obtained solid formation is dried using same method, is respectively coated with
Stem I, A, H and J of maceration extract.
Iii. the stem I for being coated with maceration extract, A, H and J are fabricated to cigarette respectively according to identical conventional method.By 7
The group YC/T498-2014 according to national standards that smokes panel test of professional person's composition《Reconstituted tobacco (paper process) sensory evaluation method》
Sensory evaluation is carried out, the results are shown in Table 3.
Table 3
| Stem | Fragrance | Flue gas | Miscellaneous gas | Irritation | Inhale taste | Total score |
| Ⅰ | 20 | 14 | 15 | 14 | 21 | 84 |
| A | 18 | 13 | 14 | 13 | 19 | 77 |
| H | 17 | 13 | 12 | 13 | 18 | 73 |
| J | 18 | 12 | 13 | 14 | 18 | 75 |
The result shows that：
Compared with stem A, the stem perfume quantity bigger of the method for the present invention preparation, aroma quality higher, flue gas concentration bigger, cigarette
Gas sophistication higher, miscellaneous gas are less, irritation is lower, it is more comfortable to inhale taste, it is stronger to inhale taste degree of purity higher, suction taste dry sensation, this
Illustrate that the carrying out washing treatment of step (4) helps to improve the fragrance, flue gas and suction taste of stem, additionally aiding reduces miscellaneous gas and stimulation
Property.
Compared with stem H, the stem perfume quantity bigger of the method for the present invention preparation, aroma quality higher, flue gas concentration bigger, cigarette
Gas sophistication higher, miscellaneous gas are less, irritation is lower, it is more comfortable to inhale taste, it is stronger to inhale taste degree of purity higher, suction taste dry sensation；With
Stem J is compared, the method for the present invention prepare stem perfume quantity bigger, aroma quality higher, flue gas concentration bigger, flue gas sophistication more
High, miscellaneous gas is less, it is more comfortable to inhale taste, it is stronger to inhale taste degree of purity higher, suction taste dry sensation；This illustrates that suitable centrifugal rotational speed helps
In the fragrance, flue gas and suction taste that improve stem, additionally aiding reduces miscellaneous gas and irritation.
As it can be seen that stem perfume quantity bigger, aroma quality higher, flue gas concentration bigger, flue gas exquisiteness prepared by the method for the present invention
Spend that higher, miscellaneous gas are less, irritation is lower, it is more comfortable to inhale taste, inhale taste degree of purity higher, stronger, whole sense organ of inhaling taste dry sensation
Quality higher.
The measurement of 4 stem conglomeration rate of test case
Detect the conglomeration rate of stem I and stem J.
Assay method：Five parts of samples, every part of sample about 1000 ± 50g are taken out at random to each stem.By 5 professional persons
It is selected from a sample of each stem respectively and removes conglomeration stem, weigh and calculate the conglomeration rate V of stem4(see below public affairs
Formula), it is then averaged, as the conglomeration rate of each stem, the results are shown in Table 4.
Wherein：
V4--- the conglomeration rate (% (W/W)) of stem；
D4--- the weight (g) of non-conglomeration stem；
W4--- example weight (g).
Table 4
| Sample | Conglomeration rate (% (W/W)) |
| Stem I | 2.9% |
| Stem J | 3.2% |
As shown in Table 4, compared with stem J, stem conglomeration rate prepared by the method for the present invention is lower, the suitable centrifugation of this explanation
Rotating speed helps to reduce stem conglomeration problem.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of method preparing stem, includes the following steps：
(1) raw material offal is washed into stalk, Terrier Storage obtains offal；
(2) offal for obtaining step (1) steams stalk, obtains offal；
(3) offal that step (2) obtains is washed, obtains offal；
(4) offal that step (3) obtains is discongested into sub-wire, obtains the slurry containing stem；
(5) moisture in step (4) acquisition slurry is removed, stem is obtained.
2. according to the method described in claim 1, wherein, in step (4), sub-wire is discongested by fiberizer；
Preferably, the feed rate of fiberizer is 1210~1490kg/h；
Preferably, the frequency of the feed auger of fiberizer is 20~23Hz；
Preferably, the operating current of fiberizer is 100~150A.
3. method according to claim 1 or 2, wherein in step (4), discongest sub-wire number be it is one or many, it is excellent
It is selected as twice.
4. method according to claim 1 or 2, wherein dewatered operation is real as follows in step (5)
It applies：The slurry that step (4) is obtained is separated by solid-liquid separation, and obtains liquid and solid phases, then solid formation is dried；
Preferably, it is separated by solid-liquid separation by centrifuge；
It is highly preferred that centrifugal rotational speed is 2100~2900r/min；
Preferably, drying temperature is 100 DEG C~155 DEG C；
Preferably, step (5) further includes：Washing will be participated in liquid phase object reuse to step (3).
5. method according to claim 1 to 4 comprising the one or more in following A to N：
A. in step (1), it is 60 DEG C~80 DEG C to wash stalk temperature；
B. in step (1), it is 5~60 seconds to wash the stalk time；
C. in step (1), Terrier Storage temperature is identical as stalk temperature is washed；
D. in step (1), the Terrier Storage time is 10 minutes or more；
E. the moisture content that step (1) obtains offal is 30% (W/W)~40% (W/W)；
F. in step (2), it is 70~110 DEG C to steam stalk temperature；
G. in step (2), it is 5~90 seconds to steam the stalk time；
H. in step (2), steam pressure is 0.5~1.5MPa；
I. the moisture content that step (2) obtains offal is 35% (W/W)~50% (W/W)；
J. in step (3), the number of washing be it is one or many, preferably twice；
K. in step (3), the solid-liquid ratio of washing is 1:(2~7) (g/g)；
L. in step (3), wash temperature is 50 DEG C~80 DEG C；
M. the moisture content that step (3) obtains offal is 68% (W/W)~90% (W/W)；
N. further include step (4 ') between step (4) and (5)：The slurry that step (4) obtains is washed, slurry is obtained；
To dewatered operation in obtained slurry implementation steps (5)；
Preferably, in step (4 '), wash temperature is 70 DEG C~80 DEG C；
Preferably, in step (4 '), washing times are one or many；
Preferably, in step (4 '), the solid-liquid ratio of washing is 1:(3~9) (g/g).
6. a kind of stem is prepared by the method described in any one of claim 1 to 5；
Preferably, stem discongests rate more than 98% (W/W)；
Preferably, the broken rate of stem 23% (W/W) below.
7. stem according to claim 6, wherein width of peduncle thread is 0.3~1.0 millimeter；
Preferably, stem length is 1~4 centimetre.
8. the stem described according to claim 6 or 7, wherein the conglomeration rate of stem 3% (W/W) below；
Preferably, the moisture content of stem is 8% (W/W)~24% (W/W).
9. the stem according to any one of claim 6 to 8, wherein the coefficient of variation of stem length is less than 30%.
10. application of the stem in improving Sensory Quality of Cigarette described in any one of claim 6 to 9.
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| CN101720975A (en) * | 2008-10-15 | 2010-06-09 | 云南昆船瑞升烟草加工新技术有限责任公司 | Method for preparing products of silk-shaped tobacco stalks |
| CN101433368A (en) * | 2008-12-23 | 2009-05-20 | 陕西科技大学 | Method for producing shredded tobacco of cigarette using cabo |
| CN103478887A (en) * | 2013-09-11 | 2014-01-01 | 湖南中烟工业有限责任公司 | Application and manufacturing method of ground cut tobacco stems for reducing content of hydrocyanic acid in smoke of cigarettes |
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