CN106918525A - A kind of offal volume change detection method - Google Patents
A kind of offal volume change detection method Download PDFInfo
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Abstract
A kind of offal volume change detection method, the volume of unit mass offal dry after the volume of the preceding unit mass offal dry of offal processing, offal are processed is determined using glycerol triacetate for tobacco, by formula
Description
Technical field
The invention belongs to tobacco material processing technique field, and in particular to tobacco peduncle processing course physical deformation assay method skill
Art field.
Background technology
Offal as Tar important formula material, its process technology deepening constantly.Cabo expansion essence
It is exactly the offal cell wall substance process that offal capillary and cell are swollen under external force, packed space high is fixed, expansion
Size illustrates the degrees of expansion of offal volume, and atrophy size then illustrates the degree of stability of expansion.It is swollen after the processing of offal product
Swollen, atrophy degree is the key factor for influenceing offal cigarette quality, especially offal article swells rate, is added as sign offal
The important technology index of work and cigarette technical merit.
Current offal processing is main using online expansion, based on " first cutting rear swollen " technique, and final finished stem thing
Rationality shape is approached with pipe tobacco, main in terms of offal quality of item metrics evaluation to be commented using cigarette shreds Specifications
Valency.In terms of offal volumetric expansion measure, main in industry using the solid powder method with certain particle diameter, (solid powder is main
Be inert silica, calcium carbonate and starch) be measured, show using result, measurement result by solid powder particle diameter,
The influence of offal accumulation mode is larger, and operating process is complicated, and solid powder is used for multiple times rear surface contamination offal composition needs cleaning
Etc. reason, cause measurement result accuracy, reappearance poor.
In recent years, as cabo quality lifts demand and process technology is upgraded, offal processing starts using offline processing side
Formula, based on " being cut after first swollen " technique.Differed greatly in process finished product physical deformation and physical behavior, and finished product thing
Reason deformation and physical behavior difference are larger on offal product property and purposes influence, and preferable tobacco peduncle processing course thing is there is no at present
Reason deformation evaluation method, it is necessary to set up a kind of a kind of detection method that is accurate, quickly determining cabo expansion rate or atrophy rate, be
Evaluate cabo quality, offal process technology level, offal processing technology quality and optimization processing technology technical parameter and technology is provided
Foundation.
The content of the invention
Deficiency it is an object of the invention to solve prior art presence, meets the demand of actual production, there is provided one kind is surveyed
Accuracy of measurement is high, accuracy and favorable reproducibility, can preferably characterize, evaluate the inspection of offal physical deformation in tobacco peduncle off-line process
The method for surveying offal volume change.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of offal volume change detection method, the preceding unit mass of offal processing is determined using glycerol triacetate for tobacco
The volume of unit mass offal dry, calculates offal volume and becomes by formula (1) after volume, the offal processing of offal dry
Rate CRV：
In formula (1),
CRV is offal volume change, and unit is %, and rate of change is expansion rate for timing, is atrophy when rate of change is to bear
Rate；
VAfter processingIt is the volume of unit mass offal dry after processing, unit is cm3/g；
VBefore processingIt is the volume of unit mass offal dry before processing, unit is cm3/g。
Detection method of the present invention comprises the following steps：
Step one, sample and formation determination sample are extracted in tobacco peduncle processing course：
Extracted respectively using " five point sampling " the former stalk of process, before process processed is processed offal sample, in process processed
Offal sample after processing；Offal sample is placed and is cooled to normal temperature after process processed processing, is placed in the sealing container for having marked；
Step 2, determination sample is prepared and determination of moisture：
A. it is former to obstruct sample：The evenly laid out extraction sample in ceramic whiteware disk, successively diagonal sampling, 600g is no less than to quality
Sample carry out diagonal sampling, until separating 8 parts of samples that can represent the population of samples untill；Therefrom extract any 3 parts
Sample is put into hermetic bag；3 samples are randomly selected from remaining sample, the oven method measuring using YC/T31-1996 is aqueous
Rate；
B. in offal before process processed is processed and the offal sample after process processed processing：It is right by the method for cigarette leaf group mixture
Offal and the offal sample mixture after process processed processing before process processed processing of quality 320g, back and forth mix with 5 times altogether；Use ruler
It is divided into 8 sections along fat stalk horizontal line the expansion stem matched somebody with somebody is mixed, in entering hermetic bag from 3 parts of expansion stalk Installed of middle arbitrary extracting, from surplus
3 samples are randomly selected in remaining sample, using the oven method measuring moisture content of YC/T31-1996；
Step 3, sample test：
A. self-control sample-pressing device is put into 500ml graduated cylinders, weighs zeroing；
B. triacetyl glycerine to 500ml liquid level readings marks is injected in 500ml graduated cylinders, weighing, three acetic acid of record are sweet
The quality m of grease1i、m′1i, i is 1,2,3；Wherein, m1iRepresent and determine (including former stalk) triacetyl glycerine when processing preceding sample
Blank quality, m '1iThe blank quality of (including former stalk) triacetyl glycerine when expression determines sample after processing；
C. triacetyl glycerine is poured out from graduated cylinder, untill no longer liquid is oozed, to graduated cylinder together with self-control pressure stalk device
Carry out weighing zeroing；
D. single part of sample in being fitted into hermetic bag sample before process processed processing and after process processed processing is poured into graduated cylinder,
Weigh, record sample quality m0i、m′0i, i is 1,2,3；Wherein, m0iThe sample quality before determining processing (including former stalk) is represented,
m′0iRepresent and determine sample quality after processing；
E. graduated cylinder and sample equipped with self-control pressure stalk device are returned to zero, triacetyl glycerine is injected in graduated cylinder, to liquid
At face reading 500ml, triacetyl glycerine weight m is recorded2i、m′2i, i is 1,2,3；Wherein, m2iRepresent and determine sample before processing
When (including former stalk) triacetyl glycerine quality, m '2i(including former stalk) triacetyl glycerine when expression determines sample after processing
Quality；
F. repeat the above steps a~e tri- times, is respectively completed offal and the offal after process processed is processed before process processed processing
Sample test；
Step 4, sample volume is calculated after the preceding sample of processing and processing：
First three single sample volume V of measure of processing is calculated respectivelyi, three single sample volume V of measure after processing
′i, process first three sample average external volume V, processing after before three average external volumes of sample, processing after tobacco stalk quality m, processing
Tobacco stalk quality m '；
Process first three the single sample volume of measureI is 1,2,3；(2)
Three single sample volumes of measure after processingI is 1,2,3；(3)
Process the average external volume of first three sample
Three average external volumes of sample after processing
Tobacco stalk quality before processing
Tobacco stalk quality after processing
Step 5, calculates offal volume change CRV：
A. the volume that formula (8) calculates unit mass offal dry before offal processing is pressed：
In formula (8)：
V is sample average volume before processing, and unit is cm3/g；
M is tobacco stalk quality before processing, and unit is g；
W is offal moisture content before processing, and unit is %；
B. the volume that formula (9) calculates unit mass offal dry after offal processing is pressed：
In formula (9)：
V ' is sample average volume after processing, and unit is cm3/g；
M ' is tobacco stalk quality after processing, and unit is g；
W ' is offal moisture content after processing, and unit is %；
C. press formula (1) and calculate offal volume change CRV.
Offal processing of the present invention includes high using the microwave method or solvent method or water vapour high temperature of offline processing mode
Platen press carries out moisture regain, the ageing process of cabo expansion and tobacco stick after expanded.
Offal of the present invention offal sample, offal offal sample after process processed processing before process processed processing, be
Divided by process time tandem in offal processing process.
Compared with prior art, the present invention at least has following beneficial effect：
(1) suction present invention utilizes the offal material in immersion triacetyl glycerine (TAG) within a short period of time to it
Negligible this characteristic of attached amount, using offal Volume Changes before and after triacetyl glycerine (TAG) measurement processing, and then calculates
Cabo expansion rate and atrophy rate.
(2) the inventive method can Accurate Determining cabo expansion rate or atrophy rate, certainty of measurement is high, accuracy and reappearance
It is good, can preferably characterize, evaluate offal physical deformation in tobacco peduncle off-line process, Instructing manufacture reality., through pilot production,
The RSD values ＜ 3% of multiple parallel determinations, compared with the RSD values 7% of original solid powder method for using, have dropped 50%
More than.
(3) the inventive method can be evaluated cabo quality using offline processing mode, offal process technology level, offal and add
Work processing quality and optimization processing technology technical parameter provide technical basis, are processed using offline processing mode offal as setting up
The basis of process physical deformation evaluation method, so as to improve offal product property and stability, expands the purposes of expanded cabo, also
Offline processing mode offal process technology can be instructed to upgrade and equipment renovation.
Specific embodiment
With reference to embodiment, the present invention is described in further detail.
It will be understood to those of skill in the art that the following example is merely to illustrate the present invention, and should not be regarded as limiting this hair
Bright scope.In the examples where no specific technique or condition is specified, according to the technology or condition described by document in the art
Or carried out according to product description.Material therefor or the unreceipted production firm person of instrument, being can be by buying what is obtained
Conventional products.
Embodiment 1
Determine and 400kg/h expanding tobaccos enterprise stalk long (3-5CM) is pressed using microwave method, terrier storage is aged 2 months, gets damp again and water
Balance-dividing, it is standby.Determine the swollen stalk of microwave, ageing, the cabo expansion rate of moisture regain operation or atrophy rate.Comprise the following steps that：
1st, prepared in tobacco peduncle processing course sample extraction and determination sample
Extracted respectively using " five point sampling " the former stalk of process, before process processed processing, processed in process processed after cigarette
Stalk sample, " five point sampling " is first to determine cornerwise midpoint as center sampling point, then selects four on the diagonal
Sampling point equidistant point in Ge Yu centers is used as sampling point.Offal sample should be placed and be cooled to normal temperature after process processed processing, be placed in
In the sealing container for having marked；
2nd, determination sample is prepared and determination of moisture
1. it is former to obstruct sample：The evenly laid out extraction sample in ceramic whiteware disk, successively diagonal sampling, 600g is no less than to quality
Sample carry out diagonal sampling, until separating 8 parts of samples that can represent the population of samples untill.Therefrom extract any 3 parts
Sample is put into hermetic bag；3 samples are randomly selected from remaining sample, is used《YC/T 31-1996 tobaccos and tobacco product
Sample is prepared and determination of moisture Oven Method》Determine moisture content.Determination of moisture result is as shown in table 1-1.
2. in offal before process processed is processed and the offal sample after process processed processing：By cigarette leaf group mixture method for example
The reciprocal cloth method of thin layer, to the sample mixture of quality about 320g, back and forth mixes with 5 times altogether.With ruler mixing the expansion stem edge matched somebody with somebody
Fat stalk horizontal line is divided into 8 sections.In entering hermetic bag from 3 parts of expansion stalk Installed of middle arbitrary extracting.3 are randomly selected from remaining sample
Sample, uses《YC/T 31-1996 tobaccos and tobacco product sample are prepared and determination of moisture Oven Method》Determine moisture content.Moisture
Measurement result is as shown in table 1-1.
Table 1-1 difference operation section sample moisture measurement results
3rd, sample test
1. self-control sample-pressing device is put into 500ml graduated cylinders, is returned to zero.
2. in 500ml graduated cylinders (self-control sample-pressing device is put in graduated cylinder) injection triacetyl glycerine (TAG) to 500ml liquid level readings
Mark, weighs, records as shown in table 1-2.
The quality m of table 1-2 triacetyl glycerines (TAG)1i、m′1i(i is 1,2,3) testing result
3. triacetyl glycerine (TAG) is poured out from graduated cylinder, untill no longer liquid is oozed, to graduated cylinder (including self-control
Pressure stalk device) returned to zero.
4. single part of sample is poured into graduated cylinder, weighing, record testing result are as shown in table 1-3.
Sample quality m before and after table 1-3 expansions0i、m′0i(i is 1,2,3) testing result
5. graduated cylinder (including self-control pressure stalk device) and sample are returned to zero, triacetyl glycerine (TAG) are injected in graduated cylinder,
To liquid level readings 500ml, weigh, record triacetyl glycerine (TAG) weight m2i、m′2i(i is 1,2,3).
6. 1.~5. step 3 time is repeated, the forward and backward sample test of processing is respectively completed；Measurement result is as shown in table 1-4.
Table 1-4 triacetyl glycerine (TAG) weight m2i、m′2i(i is 1,2,3) testing result
4th, sample volume (size that offal outside is taken up space) is calculated before offal processing and after processing
Processing 3 times determination sample volume V is calculated by formula (2)-(7)i3 determination samples after (i is 1,2,3), processing
Volume V 'iOffal after sample volume V ', the preceding tobacco stalk quality m of processing, processing after the preceding sample volume V of (i is 1,2,3), processing, processing
Quality m ', result of calculation is as shown in tables 1 to 5.
Calculate processing 3 times determination sample volume：
Calculate 3 determination sample volumes after processing：
Calculate sample volume V before processing：
Calculate sample volume V ' after processing：
Tobacco stalk quality m before processing：
Tobacco stalk quality m ' after processing：
Table 1-5 processes forward and backward sample volume result of calculation
5th, offal volume change (CRV) is calculated
1. the body that formula (8) calculates (original is obstructed or before process processed processing) unit mass offal dry before offal processing is pressed
Product：
In formula：
V is sample volume before processing, and unit is cm3；
M is tobacco stalk quality before processing, and unit is g；
W is offal moisture content before processing, and unit is %.
2. the volume that formula (9) calculates unit mass offal dry after offal processing is pressed：
In formula：
V ' is sample volume after processing, and unit is cm3；
M ' is tobacco stalk quality before processing, and unit is g；
W ' is offal moisture content before processing, and unit is %.
Offal processes the volume result of calculation of forward and backward unit mass offal dry as shown in table 1-6.
3. it is last, offal volume change (CRV) is calculated by formula (1), obtain cabo expansion rate or atrophy rate result.Knot
Fruit is as shown in table 1-7.
Table 1-6 offals process the volume result of calculation of forward and backward unit mass offal dry
Table 1-7 cabo expansions rate/atrophy rate inspection measurement result
| Operation title | Expansion process | Ageing process | Resurgence process |
| Cabo expansion rate/atrophy rate/% | 249.9 | -27.1 | -56.1 |
Expansion process cabo expansion rate is 249.9%, ageing, the atrophy rate of resurgence process offal be respectively -27.1%, -
56.1%.
Embodiment 2
Determine and the 150kg/ short stalk of expanding tobacco enterprise (1-3CM) is pressed using solvent method, superheated steam precipitation is dried, moisture regain
And water balance, it is standby.Determine the swollen stalk of solvent method, the cabo expansion rate/atrophy rate of moisture regain operation.
Comprise the following steps that：
1st, prepared in tobacco peduncle processing course sample extraction and determination sample
Extract the former stalk of process respectively using " five point sampling ", process forward and backward offal sample in process processed, making
Offal sample should be placed and be cooled to normal temperature after Cheng Jiagong, be placed in the sealing container for having marked；
2nd, determination sample is prepared and determination of moisture
1. it is former to obstruct sample：The evenly laid out extraction sample in ceramic whiteware disk, successively diagonal sampling, 600g is no less than to quality
Sample carry out diagonal sampling, until separating 8 parts of samples that can represent the population of samples untill.Therefrom extract any 3 parts
Sample is put into hermetic bag；3 samples are randomly selected from remaining sample, is used《YC/T 31-1996 tobaccos and tobacco product
Sample is prepared and determination of moisture Oven Method》Determine moisture content.Determination of moisture result is as shown in table 2-1.
2. in offal before process processed is processed and the offal sample after process processed processing：Method by cigarette leaf group mixture is (thin
The reciprocal cloth method of layer), to the sample mixture of quality about 320g, back and forth mix with 5 times altogether.With ruler mixing the expansion stem matched somebody with somebody along fat
Stalk horizontal line is divided into 8 sections.In entering hermetic bag from 3 parts of expansion stalk Installed of middle arbitrary extracting.3 samples are randomly selected from remaining sample
Product, use《YC/T 31-1996 tobaccos and tobacco product sample are prepared and determination of moisture Oven Method》Determine moisture content.Moisture is surveyed
Determine result as shown in table 2-1.
Table 2-1 difference operation section sample moisture measurement results
3rd, sample test
1. self-control sample-pressing device is put into 500ml graduated cylinders, is returned to zero.
2. in 500ml graduated cylinders (self-control sample-pressing device is put in graduated cylinder) injection triacetyl glycerine (TAG) to 500ml liquid level readings
Mark, weighs, records as shown in table 2-2.
The quality m of table 2-2 triacetyl glycerines (TAG)1i、m′1i(i is 1,2,3) testing result
3. triacetyl glycerine (TAG) is poured out from graduated cylinder, untill no longer liquid is oozed, to graduated cylinder (including self-control
Pressure stalk device) returned to zero.
4. single part of sample is poured into graduated cylinder, weighing, record testing result are as shown in table 2-3.
Sample quality m before and after table 2-3 expansions0i、m′0i(i is 1,2,3) testing result
5. graduated cylinder (including self-control pressure stalk device) and sample are returned to zero, triacetyl glycerine (TAG) are injected in graduated cylinder,
To liquid level readings 500ml, weigh, record triacetyl glycerine (TAG) weight m2i、m′2i(i is 1,2,3).
6. 1.~5. step 3 time is repeated, the forward and backward sample test of processing is respectively completed；Measurement result is as shown in Table 2-4.
Table 2-4 triacetyl glycerine (TAG) weight m2i、m′2i(i is 1,2,3) testing result
4th, sample volume (size that offal outside is taken up space) is calculated before offal processing and after processing
Processing 3 times determination sample volume V is calculated by formula (2)-(7)i3 determination samples after (i is 1,2,3), processing
Volume V 'iOffal after sample volume V ', the preceding tobacco stalk quality m of processing, processing after the preceding sample volume V of (i is 1,2,3), processing, processing
Quality m ', result of calculation is as shown in table 2-5.
Calculate processing 3 times determination sample volume：
Calculate 3 determination sample volumes after processing：
Calculate sample volume V before processing：
Calculate sample volume V ' after processing：
Tobacco stalk quality m before processing：
Tobacco stalk quality m ' after processing：
Table 2-5 processes forward and backward sample volume result of calculation
Offal processes the volume result of calculation of forward and backward unit mass offal dry as shown in table 2-6.
5th, offal volume change (CRV) is calculated
1. the body that formula (8) calculates (original is obstructed or before process processed processing) unit mass offal dry before offal processing is pressed
Product
In formula：
V is sample volume before processing, and unit is cm3；
M is tobacco stalk quality before processing, and unit is g；
W is offal moisture content before processing, and unit is %.
2. the volume that formula (9) calculates unit mass offal dry after offal processing is pressed：
In formula：
V ' is sample volume after processing, and unit is cm3；
M ' is tobacco stalk quality before processing, and unit is g；
W ' is offal moisture content before processing, and unit is %.
3. it is last, offal volume change (CRV) is calculated by formula (1), cabo expansion rate or atrophy rate result are obtained, tie
Fruit is as shown in table 2-7.
Table 2-6 offals process the volume result of calculation of forward and backward unit mass offal dry
Table 2-7 cabo expansions rate/atrophy rate inspection measurement result
| Operation title | Expansion process | Resurgence process |
| Cabo expansion rate/atrophy rate/% | 224.5 | -64.1 |
Expansion process cabo expansion rate is 224.5%, and the atrophy rate of resurgence process offal is respectively -64.1%.
Embodiment 3
Determine and 1500kg/t flow expanding tobaccos enterprise formula stalk is pressed using water vapour high temperature and high pressure method, moisture regain and moisture are flat
Weighing apparatus, it is standby.Determine the swollen stalk of water vapour high temperature and high pressure method, the cabo expansion rate of moisture regain operation or atrophy rate.Comprise the following steps that：
1st, prepared in tobacco peduncle processing course sample extraction and determination sample
Extract the former stalk of process respectively using " five point sampling ", process forward and backward offal sample in process processed, making
Offal sample should be placed and be cooled to normal temperature after Cheng Jiagong, be placed in the sealing container for having marked.
2nd, determination sample is prepared and determination of moisture
1. it is former to obstruct sample：The evenly laid out extraction sample in ceramic whiteware disk, successively diagonal sampling, 600g is no less than to quality
Sample carry out diagonal sampling, until separating 8 parts of samples that can represent the population of samples untill.Therefrom extract any 3 parts
Sample is put into hermetic bag；3 samples are randomly selected from remaining sample, is used《YC/T 31-1996 tobaccos and tobacco product
Sample is prepared and determination of moisture Oven Method》Determine moisture content.Determination of moisture result is as shown in table 3-1.
2. before process processed processing, offal after processing：By the method for cigarette leaf group mixture, the sample to quality about 320g is mixed
Match somebody with somebody, back and forth mix with 5 times altogether.It is divided into 8 sections along fat stalk horizontal line the expansion stem matched somebody with somebody is mixed with ruler.From 3 parts of middle arbitrary extracting
Expansion Geng Installed enter in hermetic bag.3 samples are randomly selected from remaining sample, is used《YC/T 31-1996 tobaccos and tobacco system
Product sample is prepared and determination of moisture Oven Method》Determine moisture content.Determination of moisture result is as shown in table 3-1.
Table 3-1 difference operation section sample moisture measurement results
3rd, sample test
1. self-control sample-pressing device is put into 500ml graduated cylinders, is returned to zero.
2. in 500ml graduated cylinders (self-control sample-pressing device is put in graduated cylinder) injection triacetyl glycerine (TAG) to 500ml liquid level readings
Mark, weighs, records as shown in table 3-2.
The quality m of table 3-2 triacetyl glycerines (TAG)1i、m′1i(i is 1,2,3) testing result
3. triacetyl glycerine (TAG) is poured out from graduated cylinder, untill no longer liquid is oozed, to graduated cylinder (including self-control
Pressure stalk device) returned to zero.
4. single part of sample is poured into graduated cylinder, weighs, testing result is recorded, as shown in table 3-3.
Sample quality m before and after table 3-3 expansionsoi、m′0i(i is 1,2,3) testing result
5. graduated cylinder (including self-control pressure stalk device) and sample are returned to zero, triacetyl glycerine (TAG) are injected in graduated cylinder,
To liquid level readings 500ml, weigh, record triacetyl glycerine (TAG) weight m2i、m′2i(i is 1,2,3).
6. 1.~5. step 3 time is repeated, before being respectively completed processing, sample test after processing；Measurement result such as table 3-4 institutes
Show.
Table 3-4 triacetyl glycerine (TAG) weight m2i、m′2i(i is 1,2,3) testing result
4th, sample volume (size that offal outside is taken up space) is calculated before offal processing and after processing
Processing 3 times determination sample volume V is calculated by formula (2)-(7)i3 determination samples after (i is 1,2,3), processing
Volume V 'iOffal after sample volume V ', the preceding tobacco stalk quality m of processing, processing after the preceding sample volume V of (i is 1,2,3), processing, processing
Quality m ', result of calculation is as shown in Table 3-5.
Calculate processing 3 times determination sample volume：
Calculate 3 determination sample volumes after processing：
Calculate sample volume V before processing：
Calculate sample volume V ' after processing：
Tobacco stalk quality m before processing：
Tobacco stalk quality m ' after processing：
Table 3-5 processes forward and backward sample volume result of calculation
5th, offal volume change (CRV) is calculated
1. the body that formula (8) calculates (original is obstructed or before process processed processing) unit mass offal dry before offal processing is pressed
Product：
In formula：
V is sample volume before processing, and unit is cm3；
M is tobacco stalk quality before processing, and unit is g；
W is offal moisture content before processing, and unit is %.
2. the volume that formula (9) calculates unit mass offal dry after offal processing is pressed：
In formula：
V ' is sample volume after processing, and unit is cm3；
M ' is tobacco stalk quality before processing, and unit is g；
W ' is offal moisture content before processing, and unit is %.
Offal processes the volume result of calculation of forward and backward unit mass offal dry as shown in Table 3-6.
3. it is last, offal volume change (CRV) is calculated by (1), obtain cabo expansion rate or atrophy rate result.Result is such as
Shown in table 3-7.
Table 3-6 offals process the volume result of calculation of forward and backward unit mass offal dry
Table 3-7 cabo expansions rate/atrophy rate inspection measurement result
| Operation title | Expansion process | Resurgence process |
| Cabo expansion rate/atrophy rate/% | 249.9 | -68.1 |
Expansion process cabo expansion rate is 249.9%, and the atrophy rate of resurgence process offal is -68.1%.
Offal described in the inventive method, is different regions, different cultivars, the stalk long of different year, short stalk or formula
Stalk, but require offal without going mouldy, free from insect pests, without the peculiar smell such as paste, mould, sour, overall color and luster is basically identical.
General principle of the invention, principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (4)
1. a kind of offal volume change detection method, it is characterised in that offal processing is determined using glycerol triacetate for tobacco
The volume of unit mass offal dry, cigarette is calculated by formula (1) after volume, the offal processing of preceding unit mass offal dry
Stalk volume change CRV：
In formula (1),
CRV is offal volume change, and unit is %, and rate of change is expansion rate for timing, is atrophy rate when rate of change is to bear；
VAfter processingIt is the volume of unit mass offal dry after processing, unit is cm3/g；
VBefore processingIt is the volume of unit mass offal dry before processing, unit is cm3/g。
2. a kind of offal volume change detection method according to claim 1, it is characterised in that the detection method bag
Include following steps：
Step one, sample and formation determination sample are extracted in tobacco peduncle processing course：
Extracted respectively using " five point sampling " the former stalk of process, before process processed processing offal sample, in process processed processing
Offal sample afterwards；Offal sample is placed and is cooled to normal temperature after process processed processing, is placed in the sealing container for having marked；
Step 2, determination sample is prepared and determination of moisture：
A. it is former to obstruct sample：The evenly laid out extraction sample in ceramic whiteware disk, diagonal sampling successively, the sample to quality no less than 600g
Product carry out diagonal sampling, until separating 8 parts of samples that can represent the population of samples untill；Therefrom extract any 3 parts of samples
It is put into hermetic bag；3 samples are randomly selected from remaining sample, using the oven method measuring moisture content of YC/T31-1996；
B. in offal before process processed is processed and the offal sample after process processed processing：By the method for cigarette leaf group mixture, to quality
Offal and the offal sample mixture after process processed processing before process processed processing of 320g, back and forth mix with 5 times altogether；With ruler institute
Mix the expansion stem matched somebody with somebody and be divided into 8 sections along fat stalk horizontal line, in entering hermetic bag from 3 parts of expansion stalk Installed of middle arbitrary extracting, from remaining sample
3 samples are randomly selected in product, using the oven method measuring moisture content of YC/T31-1996；
Step 3, sample test：
A. self-control sample-pressing device is put into 500ml graduated cylinders, weighs zeroing；
B. triacetyl glycerine to 500ml liquid level readings marks is injected in 500ml graduated cylinders, weighs, records triacetyl glycerine
Quality m1i、m′1i, i is 1,2,3；Wherein, m1iRepresent the sky for determining (including former stalk) triacetyl glycerine when processing preceding sample
White matter amount, m '1iThe blank quality of (including former stalk) triacetyl glycerine when expression determines sample after processing；
C. triacetyl glycerine is poured out from graduated cylinder, untill no longer liquid is oozed, graduated cylinder is carried out together with self-control pressure stalk device
Weigh zeroing；
D. single part of sample in being fitted into hermetic bag sample before process processed processing and after process processed processing is poured into graduated cylinder, is claimed
Amount, record sample quality m0i、m′0i, i is 1,2,3；Wherein, m0iRepresent the sample quality before determining processing (including former stalk), m '0i
Represent and determine sample quality after processing；
E. graduated cylinder and sample equipped with self-control pressure stalk device are returned to zero, triacetyl glycerine is injected in graduated cylinder, read to liquid level
At number 500ml, triacetyl glycerine weight m is recorded2i、m′2i, i is 1,2,3；Wherein, m2iRepresent and determine (bag when processing preceding sample
Include former stalk) quality of triacetyl glycerine, m '2iThe matter of (including former stalk) triacetyl glycerine when expression determines sample after processing
Amount；
F. repeat the above steps a~e tri- times, is respectively completed offal and the offal sample after process processed is processed before process processed processing
Test；
Step 4, sample volume is calculated after the preceding sample of processing and processing：
First three single sample volume V of measure of processing is calculated respectivelyi, three single sample volume V ' of measure after processingi, plus
Offal matter after tobacco stalk quality m, processing before three average external volumes of sample, processing after average external volume V, the processing of work first three sample
Amount m '；
Process first three the single sample volume of measureI is 1,2,3；(2)
Three single sample volumes of measure after processingI is 1,2,3；(3)
Process the average external volume of first three sample
Three average external volumes of sample after processing
Tobacco stalk quality before processing
Tobacco stalk quality after processing
Step 5, calculates offal volume change CRV：
A. the volume that formula (8) calculates unit mass offal dry before offal processing is pressed：
In formula (8)：
V is sample average volume before processing, and unit is cm3/g；
M is tobacco stalk quality before processing, and unit is g；
W is offal moisture content before processing, and unit is %；
B. the volume that formula (9) calculates unit mass offal dry after offal processing is pressed：
In formula (9)：
V ' is sample average volume after processing, and unit is cm3/g；
M ' is tobacco stalk quality after processing, and unit is g；
W ' is offal moisture content after processing, and unit is %；
C. press formula (1) and calculate offal volume change CRV.
3. a kind of offal volume change detection method according to claim 1 and 2, it is characterised in that the offal adds
Work includes carrying out cabo expansion and expansion using the microwave method or solvent method or water vapour high temperature and high pressure method of offline processing mode
The moisture regain of offal, ageing process afterwards.
4. a kind of offal volume change detection method according to claim 1, it is characterised in that described offal is in system
Offal sample, offal the offal sample after process processed processing, are by process time in offal processing process before process processing
Tandem is divided.
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