CN103424339B - A kind of method that detects offal swollen performance - Google Patents
A kind of method that detects offal swollen performance Download PDFInfo
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- CN103424339B CN103424339B CN201310334934.4A CN201310334934A CN103424339B CN 103424339 B CN103424339 B CN 103424339B CN 201310334934 A CN201310334934 A CN 201310334934A CN 103424339 B CN103424339 B CN 103424339B
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Abstract
The invention discloses a kind of method that detects offal swollen performance, comprise the following steps: step 1: two parts of tobacco stalk raw materials that take identical weight are for subsequent use; Step 2: the organic reagent that measures respectively certain volume with two graduated cylinders is for subsequent use, reads volume and is designated as respectively V11 and V12; Step 3: a offal in step 1 is put into the beaker being filled with water, in 60 DEG C of immersion 20min, put into the organic reagent that step 2 volume is V11 after taking-up, read volume and be designated as V21; Step 4: another part of offal in step 1 put into the organic reagent that step 2 volume is V12, read volume V22; Step 5: the swollen multiple that calculates according to the following equation offal:
Description
Technical field
The invention belongs to tobacco preparation field, be specifically related to a kind of method that detects offal swollen performance, the method is used forDetect the swollen performance of different offals, manufacture Technical Reference is provided for tobacco.
Background technology
Offal is the part of tobacco leaf, and its weight accounts for 25% of tobacco leaf. Offal contains a large amount of cellulose and a small amount ofThe materials such as sugar, nitrogen, nicotine, protein, have certain economic worth. Offal generally uses as the inserts of cigarette, but due toIts shape and physicochemical property and blade difference great disparity, so offal must be carried out separately to PROCESS FOR TREATMENT, contain to make it to makeAssorted amount is low, and silk production rate is high, and filling capacity is strong, can meet the stem of requirements such as rolling, burn and suck.
Owing to containing a large amount of celluloses in offal, on cellulose molecular chain, exist numerous free hydroxyl group, theseFree hydroxyl group has strong attraction to hydrone, and therefore offal has certain water imbibition. In production of cigarettes, be generally by differenceAfter the offal in position, the different places of production mixes in proportion (offal of filling a prescription), utilize relevant device to carry out pretreatment, then warp to itStorage after a while, offal is fully absorbed expand after moisture deliquescing, then it is for subsequent use to be cut into stem through filament cutter. Due to cigaretteThe difference of leaf growth site and flue-cured tobacco cultivars, the offal water suction swollen performance by tobacco leaf is carried out obtaining after beating and double roasting is not yetThe same, but now not yet have concrete method to detect the swollen performance of offal, therefore, tobacco stalk raw material is being located in advanceWhen reason, be generally rule of thumb or other experiment formulate parameter of pre-treatment process. This project is mainly studied a kind of offal swollen that detectsThe method of performance, offal, before pretreatment, detects the swollen performance of variety classes offal by the method, can be offal formula andFormulation tobacco stalk pretreatment process parameter provides effective reference.
Summary of the invention
The object of this invention is to provide a kind of method that detects offal swollen performance, offal, before pretreatment, passes through the partyMethod detects the swollen of different offals, for offal formula and formulation tobacco stalk pretreatment process parameter provide effective reference.
In order to reach above-mentioned technique effect, the present invention takes following technical scheme:
A method that detects offal swollen performance, comprises the following steps:
Step 1: two parts of tobacco stalk raw materials that take identical weight are for subsequent use;
Step 2: the organic reagent that measures respectively certain volume with two graduated cylinders is for subsequent use, read volume be designated as respectively V11 andV12；
Step 3: measure the volume after offal swollen: a offal in step 1 is put into the beaker being filled with water, in 60DEG C soak 20min, after taking-up, put into the organic reagent that step 2 volume is V11, read volume and be designated as V21;
Step 4: measure the volume before offal swollen: it is V12 that another part of offal in step 1 put into step 2 volumeOrganic reagent in, read volume V22;
Step 5: the swollen multiple that calculates according to the following equation offal:
The density that also needed to measure roughly offal before above-mentioned step 1, specifically comprises the following steps: in graduated cylinderThe water of splendid attire certain volume, takes the offal of constant weight, is wound around the water of putting into graduated cylinder with the aluminium wire of known volume, again readsGet volume, calculate tobacco stalk raw material density. The rough density of measuring offal can be in order better to select organic reagent. Due to offalRaw material enters in normal-temperature water, though there is water imbibition, intersexuality sometimes, in the method, the time of offal in water is very of short duration, basicCan measure exactly offal density.
In above-mentioned method, described organic reagent be density be less than offal density, nonpolar or low pole andWith the immiscible solvent of moisture in offal, be placed in organic solvent with the offal that meets offal and absorb water after swollen and can not occur insteadShould or moisture stripping; While organic reagent density is less than offal density and can ensures that the offal after offal and swollen can be completelyBe soaked in organic reagent, measure accurately calmly the volume of offal after offal and swollen.
In an embodiment of the present invention, described organic reagent is cyclohexane.
The present invention compared with prior art, has following beneficial effect:
(1) the present invention utilizes the difference of cyclohexane and offal density, and cyclohexane is apolar substance, has determined a kind of inspectionSurvey the method for offal swollen performance, the method provides effective ginseng for offal formula and formulation tobacco stalk pretreatment process parameterExamine.
(2) the method detects offal swollen performance and has reproduciblely, and the degree of accuracy is high, and detecting step is easy, easy operatingEtc. advantage.
(3) this method is measured the density of offal in advance roughly, can better select organic solvent to be used for measuring offalVolume before and after swollen, has ensured the accuracy of offal swollen performance test results; And in the rough mistake of measuring offal densityAluminium wire by known volume in journey is wound around offal to put into graduated cylinder, and the time compole contacting with water in testing process is short, can be comparativelyFor measuring accurately the density of offal, for the selection of organic solvent is laid a good groundwork.
Detailed description of the invention
Below in conjunction with embodiments of the invention, the invention will be further elaborated.
Embodiment:
1. the mensuration of tobacco stalk raw material density:
The water of splendid attire certain volume in graduated cylinder, takes the offal of constant weight, is wound around and puts into the aluminium wire of known volumeIn the water of graduated cylinder, again read volume, calculate tobacco stalk raw material density.
The present invention carries out determination and analysis to the density of 7 kinds of tobacco stalk raw materials, and measurement result is shown in Table 1.
Table 1: various tobacco stalk raw material density
2. select organic reagent
Because test intended adopts hydrometer method, the volume of offal is carried out to rough directly mensuration, therefore, the density of reagent should be lowIn the density of tobacco stalk raw material, for ensureing the precision of stereometry, according to the result of table 1, reagent density should be lower than 0.88g/cm3，But consider that tobacco stalk raw material does not detect completely and the degree of accuracy of method, for the density that ensures sample in mensuration process does not occurChange, reagent should be nonpolar or low pole, and does not dissolve each other with the moisture in offal. Analyze according to these, the present invention has selectedCyclohexane give is test reagent.
3. offal swollen detection method
(1) take two parts of the tobacco stalk raw materials of identical weight for subsequent use;
(2) organic reagent that measures respectively certain volume with two graduated cylinders is for subsequent use, reads volume and is designated as V11 and V12;
(3) mensuration of volume after offal swollen: a offal in step 1 is put into the beaker being filled with water, soak in 60 DEG CBubble 20min, puts into the graduated cylinder that step 2 volume is V11 after taking-up, read volume and be designated as V21;
(4) mensuration of offal swollen front volume: another part of offal in step 1 put into the amount that step 2 volume is V12In cylinder, read volume V22;
(5) calculate according to the following formula the swollen multiple of offal:
(6) every kind of tobacco stalk raw material carries out parallel test 6 times.
Adopt offal A to carry out above-mentioned swollen and detect, experimental data is as table 2:
Table 2: the swollen of offal A
For the expansion character of contrast different cultivars tobacco stalk raw material, the repeatability of this method is done to further checking simultaneously, rightOffal B, offal C, offal D, offal E, offal F, offal G have also carried out respectively 6 tests, result of the test according to above-mentioned methodAs shown in table 3. As shown in Table 3, the coefficient of variation of this method is less than 5%, this method repeatability is described better. Examine by this methodSurvey known, the tobacco stalk raw material of different cultivars through same treatment condition process after, its expansion multiple is incomplete same, wherein offalThe expansion effect of A is best, and offal volume is original 2.82 times, and offal B expansion effect is the poorest, only has 1.82 times.
The each place of production of table 3 tobacco stalk raw material swollen performance
Although with reference to explanatory embodiment of the present invention, invention has been described here, above-described embodiment is only thisBright preferably embodiment, embodiments of the present invention are not restricted to the described embodiments, and should be appreciated that art technology peopleMember can design a lot of other amendment and embodiments, and these amendments and embodiment will drop on the disclosed principle of the applicationWithin scope and spirit.
Claims (2)
1. detect a method for offal swollen performance, it is characterized in that comprising the following steps:
Step 1: two parts of tobacco stalk raw materials that take identical weight are for subsequent use;
Step 2: the organic reagent that measures respectively certain volume with two graduated cylinders is for subsequent use, reads volume and is designated as respectively V11 and V12;
Step 3: a offal in step 1 is put into the beaker being filled with water, in 60 DEG C of immersion 20min, put into step after taking-upIn the organic reagent that rapid two volumes are V11, read volume and be designated as V21;
Step 4: another part of offal in step 1 put into the organic reagent that step 2 volume is V12, read volume V22;
Step 5: the swollen multiple that calculates according to the following equation offal:
The density that also needs to measure roughly offal before step 1, specifically comprises the following steps: splendid attire certain volume in graduated cylinderWater, take the offal of constant weight, be wound around the water of putting into graduated cylinder with the aluminium wire of known volume, again read volume, calculateTobacco stalk raw material density;
Described organic reagent be density be less than offal density, nonpolar or low pole and with offal in moisture do not dissolve each otherSolvent.
2. a kind of method that detects offal swollen performance according to claim 1, is characterized in that described organic reagentFor cyclohexane.
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| CN201310334934.4A CN103424339B (en) | 2013-08-02 | 2013-08-02 | A kind of method that detects offal swollen performance |
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| CN201310334934.4A CN103424339B (en) | 2013-08-02 | 2013-08-02 | A kind of method that detects offal swollen performance |
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| CN103424339B true CN103424339B (en) | 2016-05-11 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149113A (en) * | 2012-09-05 | 2013-06-12 | 江苏中烟工业有限责任公司 | Method for determining cut stem proportion in cut tobacco |
| CN103196942A (en) * | 2013-04-04 | 2013-07-10 | 云南烟草科学研究院 | Method and device for determining average expansion rate of tobacco stems |
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2013
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149113A (en) * | 2012-09-05 | 2013-06-12 | 江苏中烟工业有限责任公司 | Method for determining cut stem proportion in cut tobacco |
| CN103196942A (en) * | 2013-04-04 | 2013-07-10 | 云南烟草科学研究院 | Method and device for determining average expansion rate of tobacco stems |
Non-Patent Citations (3)
| Title |
|---|
| 烟梗处理技术综述;李学军 等;《轻工科技》;20121115(第11期);第24-25页 * |
| 物体密度的测量;万后湘;《初中生世界(八年级物理)》;20120115(第Z1期);第41-44页 * |
| 膨胀烟梗丝的研究;朱尊权 等;《烟草科技通讯》;19800828(第4期);第1-5页 * |
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Address after: Nanping Nan'an District of Chongqing City Road 400060 No. 2 Patentee after: CHONGQING CHINA TOBACCO INDUSTRIAL CO., LTD. Address before: Nanping Nan'an District of Chongqing City Road 400000 No. 2 Patentee before: Chongqing Tobacco Industry Co., Ltd. |