CN110186805A - One kind being used for tobacco moisture rapid detection method - Google Patents
One kind being used for tobacco moisture rapid detection method Download PDFInfo
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- CN110186805A CN110186805A CN201910559713.4A CN201910559713A CN110186805A CN 110186805 A CN110186805 A CN 110186805A CN 201910559713 A CN201910559713 A CN 201910559713A CN 110186805 A CN110186805 A CN 110186805A
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- weighing
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- temperature
- drying
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/18—Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in moving dishes, trays, pans, or other mainly-open receptacles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
The present invention relates to one kind to be used for tobacco moisture rapid detection method, comprising: the weighing stage under the condition of high temperature after the flash baking step of sample, sample drying；The flash baking step is realized by flash baking unit, the weighing stage under the condition of high temperature after the sample drying is realized by high temperature weighing unit, cooperation is with data collection control unit, the flash baking of tobacco moisture can be realized under certain temperature, wind friction velocity, and by analysis sample drying front and back quality change situation, to obtain tobacco sample moisture content.
Description
Technical field
The present invention relates to a kind of tobacco moisture detection methods, more particularly to a kind of one kind easy to operate, detection efficiency is high
For tobacco moisture rapid detection method.
Background technique
In a series of links such as the preliminary working of tobacco, cigarette primary processing processing and tobacco leaf and its product storage keeping, tobacco
It needs different moisture content to be adapted therewith, can be only achieved the purpose of processing, guarantee processing quality.Tobacco in process
Middle moisture content number, not only directly affect the physical features such as its elasticity, toughness, fillibility and flammability, but also directly
It influences its color, fragrance, inhale appearances and the inherent qualities such as taste, while also influencing the biochemical change of tobacco internal, it is such as various
Activity, decomposition and inversion of internal substance of enzyme etc..Therefore, in the links of production of cigarettes, it is necessary to which strict inspection simultaneously controls
Tobacco moisture content is to guarantee its processing quality.
There are many kinds of the common detection methods of sample moisture, and there are commonly Oven Methods, karl Fischer titration, gas-chromatography
Method, infrared method, microwave method etc..Karl Fischer titration as classical water and basis weight method, can Accurate Determining sample it is true
Moisture content, but the batch test efficiency of a large amount of test samples daily for Cigarette Industrial Enterprise is not high；Gas chromatography
It is suitble to carry out batch sample the measurement (such as flue gas moisture measurement) of moisture content, but detection time especially pre-treatment time
It is long；The requirement ratio of two methods of karl Fischer titration and gas chromatography to operator, instrument and equipment and detection reagent
Higher, testing cost is more expensive.Although it is fast that infrared method, microwave method detect speed, color, temperature of the testing result vulnerable to material
The influence of degree and external environment, detection data deviation are big；Microwave method measurable amount is limited, belongs to sampling property, experiment curv
It is larger to vary with temperature fluctuation, and in actual use also vulnerable to electromagnetic interference, these are all difficult to overcome.
Currently, domestic tobacco business mainly uses Oven Method (GB/T 22838.8-2009) to tobacco and its tobacco product
Moisture is detected.The principle of the moisture method of Oven Method detection tobacco and tobacco product grinds tobacco into certain particle size
Offal dries sample under certain condition, by the drying front and back moisture content of poor quality for finding out sample.Oven Method is with its operation letter
Single, practical feature, is widely used by tobacco business.But oven method measuring tobacco moisture needs are dried at 100 ± 2 DEG C
2h, detection time is long, low efficiency, and the quality of sample drying front and back needs artificial detection, heavy workload, testing result by it is artificial because
Element influences bigger.Therefore, industry needs a kind of tobacco moisture detection method easy to operate, detection efficiency is high.
Summary of the invention
The technology of the present invention solves the problems, such as: having overcome the deficiencies of the prior art and provide one kind and has quickly detected for tobacco moisture
Method, this method is easy to operate, detection efficiency is high, and the fast of tobacco sample moisture can be realized under certain temperature, wind friction velocity
Speed drying, and by analysis sample drying front and back quality change situation, to obtain the moisture content of tobacco sample.
The purpose of the present invention is achieved through the following technical solutions:
One kind of the invention is used for tobacco moisture rapid detection method, comprising: the flash baking step of sample, sample drying
Weighing stage under the condition of high temperature afterwards；The flash baking step is realized by flash baking unit, high after the sample drying
Weighing stage under temperature state is realized by high temperature weighing unit；The high temperature weighing unit is located at below flash baking unit；Institute
Data collection control unit is stated for the normal operation of control function module and the acquisition and recording of data.
The flash baking step realizes that the flash baking unit includes: drying room, heating by flash baking unit
Device, fan, temperature controller, relay and drying room temperature sensor；Fan is located on the left of drying room, and heater is located at the fan right side
Side, drying room temperature sensor are located near sample box；The heater is used for heating, drying room air, dries room air
Temperature is detected by drying room temperature sensor, is read by temperature controller and is controlled the logical of heater by relay afterwards compared with setting value
Break to guarantee the stability of drying room temperature, and guarantees the uniformity of drying room temperature by fan；This method utilizes raising
Temperature is detected, accelerating the technologies such as the indoor wind speed of drying realizes the flash baking of tobacco sample.
Weighing stage after sample drying under the condition of high temperature realized by high temperature weighing unit, the high temperature weighing unit
It include: weighing sensor protection room, internal weighing sensor, internal weighing strut, external weighing sensor, external weighing strut
And interior weighing tray, outer weighing tray, sample box；The sample box is located on interior weighing tray, interior weighing tray and inside
Weighing sensor is connected by internal strut of weighing；The internal weighing strut is made of heat-insulating material；The internal weighing
Sensor is located at weighing sensor protection interior, and internal weighing sensor is protected not interfered by outer gas stream, meanwhile, it is passed in weighing
Sensor protects room to be equipped with protection gas circuit, guarantees internal weighing sensor in normal working temperature；Protecting gas circuit includes: dry gas bottle
And throttle valve, enter weighing sensor protection room using the protection gas of throttle valve adjustment control certain flow rate；Under the condition of high temperature
Weighing technology and cell operation process are as follows: step 1, in the case where drying room has reached set temperature, utilize external weighing
Sensor, external weighing strut and outer weighing tray complete the detection of sample box quality and sample initial mass；Step 2,
Certain time is set in control interface；The related sample of sample box is placed on interior weighing tray by step 3, and sample carries out automatic
Drying；After the completion of step 4, drying, sample quality after internal weighing sensor detection drying；Step 5, control system are automatically performed
The calculating of sample moisture content；Above step 2-5 is repeated, realizes the rapidly detection of tobacco sample moisture content；This method is using absolutely
Hot material, sealing technique and protection gas technology etc. realize the weighing technology after sample is dried under the condition of high temperature.
The data collection control unit includes: that data acquisition controller, industrial personal computer, data collection and analysis and control are soft
Part；Industrial personal computer, control software pass through data acquisition controller and temperature controller, fan etc. and connect, and the temperature of control device, fan turn
Speed etc.；Data collection and analysis software is used to record sample box and sample dries forward and backward quality, and calculates the water of sample automatically
Divide content.
The course of work of the invention:
(1) in the case where drying room has reached set temperature, using external weighing sensor, external weighing strut and
Outer weighing tray completes the detection of sample box quality and sample initial mass；
(2) setting time in control interface；
(3) the related sample of sample box is placed on interior weighing tray, sample is dried automatically；
(4) after the completion of drying, internal weighing sensor detects sample quality after drying automatically；
(5) data collection and analysis software is automatically performed the calculating of sample moisture content.
The present invention has the advantage that
(1) drying room built-in fans guarantee the uniformity consistency of its internal temperature；
(2) using detection temperature is improved, accelerating the technologies such as wind speed realizes the flash baking of tobacco sample, greatly improves
The drying efficiency of sample, can be realized the drying of sample for 25 minutes or so；
(3) it is equipped with pallet strut between internal weighing sensor and interior weighing tray to be allowed to separate, the insulation of pallet strut
Material is made, and the high temperature of drying room is protected to be not transferred to weighing sensor；It is equipped with weighing sensor simultaneously and protects gas circuit, guarantees
It will not influence the stability of weighing sensor when high temperature test, protect weighing sensor；
(4) pass through the temperature parameter of temperature controller real-time control apparatus, test parameters setting is convenient, and can automatically save experiment
Data realize the automatic calculating of sample moisture content.
Detailed description of the invention
Fig. 1 is the tobacco moisture device for fast detecting structure chart that the method for the present invention utilizes；
In figure: 1. data acquisition controllers；2. industrial personal computer；3. dry gas bottle；4. throttle valve；5. weighing sensor protects room；
6. inside weighing sensor；7. outside weighing sensor；The strut 8. outside is weighed；9. outer weighing tray；10. inside weighing branch
Bar；Weighing tray in 11.；12. sample box；13. drying room；14. heater；15. fan；16. drying room temperature sensor；
17. temperature controller；18. relay.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Whole description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, those skilled in the art without creative efforts it is obtained it is all its
His embodiment, belongs to protection scope of the present invention.Simultaneously on the basis of test method, it is same that several can be increased
Measuring technology and unit, further increase the testing efficiency of this method, increase the structure of necessary automation, improve measurement
The degree of automation belongs to protection scope of the present invention.
Structure of the invention and connection relationship are described below in conjunction with Fig. 1:
As shown in Figure 1, of the invention includes: the flash baking step of sample, sample for tobacco moisture rapid detection method
The weighing stage under the condition of high temperature after product drying；The flash baking step realized by flash baking unit, the sample
The weighing stage under the condition of high temperature after drying is realized by high temperature weighing unit；The weighing unit of the high temperature weighing unit is located at
Below flash baking unit；The data collection control unit is for the normal operation of control function module and the acquisition note of data
Record.
The flash baking unit includes: drying room 13, heater 14, fan 15, temperature controller 17, relay 18 and dries
Dry chamber temperature sensor 16；The fan 15 is located at 13 left side of drying room, and heater 14 is located at 15 right side of fan, dries room temperature
Sensor 16 is located near sample box 12；The heater 14 is used for air in heating, drying room 13, Air Temperature in drying room 13
Degree is read by temperature controller 17 by drying room temperature sensor detection 16 and is controlled heater by relay 18 afterwards compared with setting value
14 on-off guarantees the stability of temperature in drying room 13, and guarantees the uniformity of temperature in drying room 13 by fan 15；This
Using detection temperature is improved, accelerating the technologies such as the wind speed in drying room 13 realizes the flash baking of tobacco sample for invention.
The high temperature weighing unit includes: weighing sensor protection room 5, internal weighing sensor 6, internal weighing strut
10, external weighing sensor 7, external weighing strut 8 and interior weighing tray 11, outer weighing tray 9, sample box 12；The sample
Product box 12 is located on interior weighing tray 11, and interior weighing tray 11 is connected with internal weighing sensor 6 by internal strut 10 of weighing；
The internal weighing strut 10 is made of heat-insulating material；The internal weighing sensor 6 is located at weighing sensor protection room 5
It is interior, protect internal weighing sensor 6 not interfered by outer gas stream, meanwhile, protection gas is equipped on weighing sensor protection room 5
Road guarantees internal weighing sensor 6 in normal working temperature；Protecting gas circuit includes: dry gas bottle 3 and throttle valve 4, utilizes throttle valve
The 4 protection gas for adjusting control certain flow rate enter weighing sensor protection room 5, so that it is guaranteed that the hot-air in drying room 13 can not
Into in weighing sensor protection room 5, internal weighing sensor 6 is made to maintain work in reasonable working temperature；Under the condition of high temperature
Weighing technology and cell operation process it is as follows: step 1, in the case where drying room 13 has reached set temperature utilizes outside
Weighing sensor 7, external weighing strut 8 and outer weighing tray 9 complete the inspection of 12 mass of sample box and sample initial mass
It surveys；Step 2 sets certain time in control interface；The related sample of sample box 12 is placed on interior weighing tray 11 by step 3,
Sample is dried automatically；After the completion of step 4, drying, sample quality after the internal detection of weighing sensor 6 drying；Step 5, control
System processed is automatically performed the calculating of sample moisture content, repeats above step 2-5, realizes the rapidly inspection of tobacco sample moisture content
It surveys；The present invention realizes the title after sample is dried under the condition of high temperature using heat-insulating material, sealing technique and protection gas technology etc.
Weight technology.
The data collection control unit includes: that data acquisition controller 1, industrial personal computer 2, data collection and analysis and control are soft
Part；Industrial personal computer 2, control software pass through data acquisition controller 1 and temperature controller 17, fan 15 etc. and connect, the temperature of control device,
Rotation speed of the fan etc.；Data collection and analysis software is used to record sample box 12 and sample dries forward and backward quality, and calculates automatically
The moisture content of sample.
Detection process of the present invention is as follows:
Device for opening carries out self-test, after the completion, is set on data collection and analysis and control software interface by industrial personal computer 2
The temperature of heater 14 sets 15 revolving speed of fan；It is provided with the meeting automatic running of post-heater 14, in temperature controller 17, relay
Temperature under 18 control in drying room 13 is stablized in setting value.Sample box 12 is placed on outer weighing tray 9 at this time, by outer
Portion's weighing strut 8 acts on external weighing sensor 7, to detect 12 mass of sample box, and by data collection and analysis and
Control software automatically saves；Sample is put into sample box 12, and is placed on outer weighing tray 9 again, is passed by outside weighing
Sensor 7 measures gross mass, and data collection and analysis and control software calculate automatically and saves sample initial mass；Sample will be housed
Sample box 12 be put on the interior weighing tray 11 of drying room 13, data collection and analysis and control software automatically record when being put into
Between；Drying time is arranged in operator on software interface simultaneously.To after predetermined drying time, data collection and analysis and control are soft
Part completes sample gross mass after drying by data acquisition controller 1, internal weighing sensor 6, and is automatically performed sample baking
Calculating, record, the preservation of quality and sample moisture content after dry.
Table 1
Table 2
In order to verify practicability of the invention, 10 parts of samples are extracted respectively and are carried out using standard ovens method and the present invention
The moisture measurement of tobacco sample, testing result is respectively as shown in table 1, table 2: the sample moisture content fluctuation of standard ovens method detection
Range is 10.9~11.3%, average value 11.1%；The sample moisture content fluctuation range that the present invention detects be 10.9~
11.2%, average value 11.1%.By testing result above it can be found that the testing result of the present invention and standard ovens method are averaged
It is worth identical, but the fluctuation range of testing result of the present invention is better than standard ovens method, in short, the present invention is easy to detect quick, 25 points
The detection of sample can be completed in clock, and testing result is accurate, reliable and stable.
Claims (4)
1. one kind is used for tobacco moisture rapid detection method characterized by comprising the flash baking step of sample, sample dry
The weighing stage under the condition of high temperature after dry；The flash baking step realizes that the sample is dried by flash baking unit
The weighing stage under the condition of high temperature afterwards is realized by high temperature weighing unit；The weighing unit of high temperature weighing unit is located at flash baking
Below unit；Data collection control unit is for the normal operation of control function module and the acquisition and recording of data.
2. according to claim 1 be used for tobacco moisture rapid detection method, it is characterised in that: the flash baking unit
It include: drying room, heater, fan, temperature controller, relay and drying room temperature sensor；Fan is located on the left of drying room,
Heater is located on the right side of fan, and drying room temperature sensor is located at sample box attachment；The heater is in heating, drying room
Air, drying indoor air temperature detected by drying room temperature sensor, by temperature controller read compared with setting value afterwards by after
The on-off of electrical equipment control heater come guarantee dry room temperature stability, and by fan guarantee drying room temperature it is uniform
Property；For this method using detection temperature is improved, accelerating the technologies such as the indoor wind speed of drying realizes the flash baking of tobacco sample.
3. according to claim 1 be used for tobacco moisture rapid detection method, it is characterised in that: the high temperature weighing unit
It include: weighing sensor protection room, internal weighing sensor, internal weighing strut, external weighing sensor, external weighing strut
And interior weighing tray, outer weighing tray, sample box；The sample box is located on interior weighing tray, interior weighing tray and inside
Weighing sensor is connected by internal strut of weighing；The internal weighing strut is made of heat-insulating material；The internal weighing
Sensor is located at weighing sensor protection interior, protects internal weighing sensor not by external disturbance, meanwhile, in weighing sensor
It protects room to be equipped with protection gas circuit, guarantees internal weighing sensor in normal working temperature；Protecting gas circuit includes: dry gas bottle and section
Valve is flowed, enters weighing sensor protection room using the protection gas of throttle valve adjustment control certain flow rate；Weighing under the condition of high temperature
Technology and cell operation process are as follows: step 1, in the case where drying room has reached set temperature, utilize external weighing and sensing
Device, external weighing strut and outer weighing tray complete the detection of sample box quality and sample initial mass；Step 2 is being controlled
Certain time is set on interface processed；The related sample of sample box is placed on interior weighing tray by step 3, and sample is dried automatically；
After the completion of step 4, drying, sample quality after internal weighing sensor detection drying；Step 5, control system are automatically performed sample
The calculating of moisture content；Above step 2-5 is repeated, realizes the rapidly detection of multiple tobacco sample moisture content；This method utilizes certainly
Weighing technology under dynamic control technology and hot conditions realizes the automatic weighing after sample drying.
4. according to claim 1 be used for tobacco moisture rapid detection method, it is characterised in that: the data acquisition control
Unit includes: data acquisition controller, industrial personal computer, data collection and analysis and control software；Industrial personal computer, control software pass through data
Acquisition controller and temperature controller, fan etc. are connect, temperature, rotation speed of the fan of control device etc.；Data collection and analysis software is used for
Record sample box and sample dry forward and backward quality, and calculate the moisture content of sample automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910559713.4A CN110186805A (en) | 2019-06-26 | 2019-06-26 | One kind being used for tobacco moisture rapid detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910559713.4A CN110186805A (en) | 2019-06-26 | 2019-06-26 | One kind being used for tobacco moisture rapid detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110186805A true CN110186805A (en) | 2019-08-30 |
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ID=67723456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910559713.4A Pending CN110186805A (en) | 2019-06-26 | 2019-06-26 | One kind being used for tobacco moisture rapid detection method |
Country Status (1)
| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362525A (en) * | 2020-11-19 | 2021-02-12 | 山东中烟工业有限责任公司 | Method and device for rapidly detecting water content of low-moisture tobacco shreds |
| CN113358517A (en) * | 2021-07-09 | 2021-09-07 | 张家口卷烟厂有限责任公司 | Rapid detection method for moisture content of label paper |
-
2019
- 2019-06-26 CN CN201910559713.4A patent/CN110186805A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362525A (en) * | 2020-11-19 | 2021-02-12 | 山东中烟工业有限责任公司 | Method and device for rapidly detecting water content of low-moisture tobacco shreds |
| CN113358517A (en) * | 2021-07-09 | 2021-09-07 | 张家口卷烟厂有限责任公司 | Rapid detection method for moisture content of label paper |
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