CN103884621A - Device and method for detecting desorption rate of cigarette materials - Google Patents
Device and method for detecting desorption rate of cigarette materials Download PDFInfo
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- CN103884621A CN103884621A CN201410101006.8A CN201410101006A CN103884621A CN 103884621 A CN103884621 A CN 103884621A CN 201410101006 A CN201410101006 A CN 201410101006A CN 103884621 A CN103884621 A CN 103884621A
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Abstract
The invention discloses a device for detecting the desorption rate of cigarette materials. The device comprises a gas source, a heating device, a gas overflowing device, a material filling pipe and a suction device, which are connected in sequence by a pipeline, wherein the suction device is used for providing suction power for the gas source so that gas passes through the heating device and the material filling pipe; the heating device is used for heating the gas; the material filling pipe is used for filling a sample to be detected; the gas overflowing device is used for discharging surplus gas in the pipeline. The device can be used for simulating smoking of people and metering an un-reacted to-be-detected sample and a reacted to-be-detected sample so as to determine the stability of storing additives in cigarettes and the transferring rate performance in a combusting and smoking process. The invention further provides a method for detecting the desorption rate of the cigarette materials.
Description
Technical field
The present invention relates to the detection of tobacco additive agent, relate in particular to a kind of device and method of checking smoking material desorption rate.
Background technology
The primary raw material of cigarette comprises tobacco leaf and various functional additive, as essence and flavoring agent, the adjuvants such as humectant, and the adjuvant volatility of Partial Species is higher, as essence, menthol etc., the adjuvant that this volatility is higher if directly apply is on tobacco or filter stick, place after a period of time, along with volatilization, this adjuvant can run off, cause the miopragia of cigarette fragrance or adjuvant, for this reason, each tobacco productive corporation has adopted respectively different technologies, object is to deposit the loss in process for reducing adjuvant, as micro-capsule package technology, adsorbent adsorption technology, filter stick center line adsorption technology etc.
Adopt above-mentioned these technology, can reduce the loss of volatility additive in cigarette storing process, keep the consistance of the long-term local flavor of cigarette, but adopt these technology, also may suppress these components and burn and suck in process at cigarette, be transferred to the amount of main flume.
Cigarette has adopted above-mentioned technology storage adjuvant, and how it is present in effect in cigarette, and those skilled in the art tackle the stability that adjuvant deposits and burn and suck the various performances of rate of transform in process etc. and detect, to guarantee the quality of cigarette.
Summary of the invention
The embodiment of the present invention provides a kind of device of checking smoking material desorption rate, simulation people smoking, unreacted testing sample and reacted testing sample are measured, thereby the stability that in mensuration cigarette, adjuvant is deposited and burn and suck the detection of shifting forthright energy in process, efficient quick, is conducive to improve the quality of cigarette.The present invention also provides a kind of method of checking smoking material desorption rate.
For addressing the above problem, the device of check smoking material desorption rate provided by the invention, comprises the source of the gas, heating arrangement, gas overflow device, material filling pipe and the aspirator that connect successively by pipeline;
Described aspirator, for providing suction power to source of the gas, so that obtain gas by described heating arrangement and described material filling pipe;
Described heating arrangement, for heated air;
Described material filling pipe, for loading testing sample;
Described gas overflow device, for unnecessary gas in discharge line.
Preferably, described heating arrangement comprises gas-heated chamber, controller and thermo detector, and described thermo detector is arranged at the outlet side of described gas-heated chamber, and described controller is according to the heating-up temperature of gas-heated chamber described in the feedback information control of described thermo detector.
Preferably, the heating tube of described gas-heated chamber is coil pipe.
Preferably, described gas overflow device is included on pipeline and prolongs the first run-down pipe and the second run-down pipe that airflow direction sets gradually, described the first run-down pipe is connected with pipeline and described aspirator by electromagnetic switching valve, and described the second run-down pipe is connected with pipeline by T-valve.
Preferably, the exhaust end of the exhaust end of described the first run-down pipe and described the second run-down pipe is all installed one-way flow orifice valve.
Preferably, also comprise cooling pipe, described aspirator is smoking machine, and described cooling pipe is arranged between described material filling pipe and described smoking machine.
Preferably, also comprise flow control valve and flowmeter, described flow control valve and flowmeter are set in turn in the outlet side of described source of the gas.
The present invention also provides a kind of method of checking smoking material desorption rate, comprising:
A, in material filling pipe, load testing sample, the material filling pipe that is filled with described testing sample is weighed;
B, gas enter described material filling pipe, reaction;
C, reaction finish, and described material filling pipe is weighed;
D, calculate desorption rate according to the weighing results of steps A and step C.
Preferably, between described steps A and step B, also comprise:
Aspirator provides suction power to source of the gas, and gas heats by heating arrangement, and unnecessary gas is discharged by gas overflow device.
Preferably, described heating arrangement heating rate is 0～10 ℃/ms, and temperature range is 0～1200 ℃;
Described material filling pipe prolongs the control of airflow direction temperature and is: after 600～1200 ℃ of burning cones, combustion wire 2mm to 200～50 ℃ of filter sticks, 30～80 ℃ of filter sticks.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages: by the source of the gas arranging, heating arrangement, gas overflow device, material filling pipe and the virtual smoking process of smoking machine, testing sample is positioned in material filling pipe, smoking machine provides suction power by pipeline to source of the gas, gas is by heating arrangement and gas overflow mechanism, entering material filling pipe according to specified amount and assigned temperature reacts with testing sample, by this device, can simulate people's smoking, unreacted testing sample and reacted testing sample are measured, thereby the stability that in mensuration cigarette, adjuvant is deposited and the Performance Detection that burns and sucks the rate of transform in process, efficient quick, be conducive to improve the quality of cigarette.
The present invention is also corresponding provides a kind of method of checking smoking material desorption rate.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of device of checking smoking material desorption rate of the present invention;
Fig. 2 is the side perspective view of a kind of device gas-heated chamber of checking smoking material desorption rate of the present invention;
Fig. 3 is the front perspective view of a kind of device gas-heated chamber of checking smoking material desorption rate of the present invention.
Wherein, in figure, mark is as follows:
1-source of the gas, 101-gas cylinder, 102-flow control valve, 103-flowmeter, 2-heating arrangement, 201-gas-heated chamber, 202-controller, 203-thermo detector, 3-gas overflow device, the 301-the first run-down pipe, 3011-electromagnetic switching valve, the 302-the second run-down pipe, 3021-T-valve, 303-one-way flow orifice valve, 4-material filling pipe, 5-aspirator, 6-cooling pipe.
Embodiment
The embodiment of the present invention provides a kind of device of checking smoking material desorption rate, simulation people smoking, unreacted testing sample and reacted testing sample are measured, thereby the stability that in mensuration cigarette, adjuvant is deposited and burn and suck the detection of shifting forthright energy in process, efficient quick, is conducive to improve the quality of cigarette.The present invention also provides a kind of method of checking smoking material desorption rate.
It should be noted that, the alleged smoking material of the present invention can be tobacco or other smoking materials, and other smoking materials can be essence, functional additive etc.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is known and detailed description, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1～Fig. 3, Fig. 1 is a kind of apparatus structure schematic diagram of checking smoking material desorption rate of the present invention, Fig. 2 is the side perspective view of a kind of device gas-heated chamber of checking smoking material desorption rate of the present invention, and Fig. 3 is the front perspective view of a kind of device gas-heated chamber of checking smoking material desorption rate of the present invention.
A kind of device of checking smoking material desorption rate provided by the invention, describe with an embodiment below, the device of the check smoking material desorption rate of the present embodiment, comprises the source of the gas 1, heating arrangement 2, gas overflow device 3, material filling pipe 4 and the aspirator 5 that connect successively by pipeline;
Aspirator 5, for providing suction power to source of the gas 1, so that obtain gas by heating arrangement 2 and material filling pipe 4;
Material filling pipe 4, for loading testing sample;
Gas overflow device 3, for unnecessary gas in discharge line.
Alleged source of the gas 1 can be for being equipped with the gas cylinder 101 of gas, and gas is the oxygen-nitrogen mixture body of oxygen level 0～21%, is preferably dry air, can be also the similar gas of air, as the mixed gas of nitrogen or other inert gases, mixing 9% oxygen-nitrogen mixture body.This source of the gas 1 can also be air/nitrogen gas generator, compressed air pump, central pneumatics etc., and gas type can also arrange according to the needs of simulated flue gas.
In the present embodiment, heating arrangement 2 comprises gas-heated chamber 201, controller 202 and thermo detector 203, and thermo detector 203 is arranged at the outlet side of gas-heated chamber 201, and controller 202 is by the heating-up temperature of the feedback information control gas-heated chamber 201 of thermo detector 203.
Further, the heating tube of gas-heated chamber 201 is preferably coil pipe.
Alleged gas-heated chamber 201 parameters are controlled by controller 202, and controller 202 can be temperature programme controller 202, and it can set certain heating-up temperature, and sets certain heating rate.Gas-heated chamber 201 temperature regulating range in the present embodiment are: 0～1200 ℃, be preferably room temperature～1200 ℃, and alleged room temperature refers generally to 25 ℃.
Alleged aspirator 5, is mainly used in providing suction power.Wherein aspirator 5 is preferably smoking machine, and smoking machine can provide suction power, can also control and suck flow, especially control enter the airshed of material filling pipe 4, and set suction streams spirogram.The discharge diagrams such as that smoking machine can arrange is bell, rectangle and triangle, wherein bell discharge diagram can make the state that adjuvant purges in thermal current for a long time, is conducive to the low component of content to detect.
In addition, aspirator 5 also can adopt other negative-pressure sucking source to replace smoking machine suction power is provided, as adopted vacuum pump.
In the present embodiment, gas overflow device 3 comprises that the first run-down pipe 301 and the second run-down pipe 302, the first run-down pipes 301 that are successively set on pipeline pass through T-valve 3021 connecting tubes by electromagnetic switching valve connecting tube and aspirator 5, the second run-down pipes 302.
Preferably, the exhaust end of the exhaust end of the first run-down pipe 301 and described the second run-down pipe 302 is all installed one-way flow orifice valve 303.
Wherein, alleged electromagnetic switching valve is controlled by aspirator 5, in the time that aspirator 5 is smoke extractor, smoke extractor sends suction action, smoke extractor syringe carries out the suction action of a 2s according to setting degree and the every 60s of parameter or 30s, valve will switch to air-flow guiding smoking machine direction, after suction action stops, valve will be switched to emptying direction, and air-flow will emit with the form of discarding.In the time that aspirator 5 is vacuum pump or other devices, can increase a current controling signal, switch for controlling better solenoid valve.
Alleged three-way pipe is when guaranteeing that the air-flow being provided by source of the gas 1 is greater than smoking machine suction airstream, and unnecessary air-flow overflows through one-way flow orifice valve 303 thus.
When alleged one-way flow orifice valve 303 is mainly used in guaranteeing that air-flow that source of the gas 1 provides is greater than smoking machine suction airstream, unnecessary air flow energy overflows thus, and particularly, in the time of the non-constant value of suction tolerance, this design is necessary more.One-way flow orifice valve 303 effectively guarantees, in the time that smoking machine suction action stops, not have air-flow and flowed into by exhaust end, thereby is purged to the material in material filling pipe 4.
In the present embodiment, also comprise cooling pipe, aspirator 5 is smoking machine, and cooling pipe is arranged between described material filling pipe 4 and smoking machine.
Alleged cooling pipe 6 is in order to protect smoking machine, effectively thermal current is cooled to below 100 ℃.The length of cooling pipe 6 can have the needs of actual set to set, no matter the cooling pipe 6 of any length, its effect all should be consistent, and the length of tube of therefore lowering the temperature does not limit at this.
In the present embodiment, also comprise flow control valve 102 and flowmeter 103, flow control valve 102 and flowmeter 103 are set in turn in the outlet side of source of the gas 1.
The range of adjustment that alleged flow valve regulates is 0～3L/min, and the advantage of this scope has, and can cover: (1) Smoldering rate is no more than 1mL/min; (2) ISO puffing regimens, mean air flow speed 17.5mL/s, maximum instantaneous gas velocity is no more than 30mL/s; (3) Canadian puffing regimens (one in degree of depth puffing regimens), mean air flow speed 27.5mL/s, it is 2.88L/min that maximum instantaneous gas velocity is no more than 48mL/s(); (4) other possible degree of depth puffing regimens.
This range of adjustment arranges, and is in order to simulate in cigarette aspiration procedure, various possible main flume gas velocities.For the needs that guarantee to detect, aggregate supply tolerance must be identical with actual institute air demand, or slightly large.And from angle easy and simple to handle, be more conducive to guarantee slightly greatly the stability of detection system and testing result than the required airshed of reality.
It should be noted that, in the present embodiment, the testing sample being filled in material filling pipe 4 can be the testing sample that absorption have essence or functional additive, as: microcapsules, sorbing material, filter stick, filter stick center line etc.
Interior caliber and the cigarette filter stick of material filling pipe 4 approach.Can setting range be: diameter 3～25mm.It arranges and requires is less than the diameter of ramuscule cigarette (5.5mm), thicker than the diameter of cigar (20mm), to guarantee that various cigarettes all can put into material filling pipe 4 and detect.
By the source of the gas arranging, heating arrangement, gas overflow device, material filling pipe and the virtual smoking process of smoking machine, testing sample is positioned in material filling pipe, smoking machine provides suction power by pipeline to source of the gas, gas is by heating arrangement and gas overflow mechanism, entering material filling pipe according to specified amount and assigned temperature reacts with testing sample, by this device, can simulate people's smoking, unreacted testing sample and reacted testing sample are measured, thereby the stability that in mensuration cigarette, adjuvant is deposited and the Performance Detection that burns and sucks the rate of transform in process, efficient quick, be conducive to improve the quality of cigarette.
The present invention also provides a kind of method of checking smoking material desorption rate, describes below with another embodiment.
The method of the check smoking material desorption rate that the present embodiment provides, comprises the following steps:
A, in material filling pipe, load testing sample, the material filling pipe that is filled with described testing sample is weighed.
Testing sample can be microcapsules, sorbing material, filter stick, filter stick center line etc.
B, gas enter material filling pipe, reaction.
C, reaction finish, and described material filling pipe is weighed.
Material filling pipe is together weighed together with remaining reacted testing sample in it.
D, calculate desorption rate according to the weighing results of steps A and step C.
Alleged desorption rate, can draw by desorption rate, and the account form of desorption rate is: setting the steps A weight of weighing is m1, and the weight that after setting desorption and completing, step B weighs is m2, m1 and m2(" m1-m2 ") obtain after subtracting each other be desorption rate.
Wherein, also comprise: aspirator provides suction power to source of the gas, and gas heats by heating arrangement between steps A and step B, unnecessary gas is discharged by gas overflow device.
In the present embodiment, for simulation cigarette the best burns and sucks process, therefore designing heating arrangement heating rate is 0～10 ℃/ms, and temperature range is 0～1200 ℃;
Material filling pipe prolongs the control of airflow direction temperature and is: after 600～1200 ℃ of burning cones, combustion wire 2mm to 200～50 ℃ of filter sticks, 30～80 ℃ of filter sticks.
In general, cigarette is divided into two sections of burning zone and filter rod segments, in combustion process, the central point burning cone temperature of burning is the highest, after burning cone with for the position of burning forms a combustion wire, therefore the present embodiment is in the time of temperature, for reaching optimum efficiency, unnecessary gas is discharged by gas overflow device, thereby this material filling pipe is not in the time being affected by ambient atmos, carries out the temperature control of material filling pipe with the best combustion temperature of tobacco.
Burning cone temperature is 600～1200 ℃, and burning cone is burning cone temperature～200 ℃ to the temperature of 2mm after combustion wire, after combustion wire 2mm to 200～50 ℃ of filter sticks, 30～80 ℃ of filter sticks.The range of adjustment of this temperature, to burn and suck in order to simulate cigarette the Different Effects that in process, material is subject to, as adjuvant is placed in filter stick, adjuvant is placed in pipe tobacco and in burning cone position, adjuvant be placed in pipe tobacco but after burning cone position, by different heated conditions, can guarantee that adjuvant can burn down at the temperature range internal combustion of specifying complete.
By the source of the gas arranging, heating arrangement, gas overflow device, material filling pipe and the virtual smoking process of smoking machine, testing sample is positioned in material filling pipe, smoking machine provides suction power by pipeline to source of the gas, gas is by heating arrangement and gas overflow mechanism, entering material filling pipe according to specified amount and assigned temperature reacts with testing sample, by this device, can simulate people's smoking, unreacted testing sample and reacted testing sample are measured, thereby the stability that in mensuration cigarette, adjuvant is deposited and the Performance Detection that burns and sucks the rate of transform in process, efficient quick, be conducive to improve the quality of cigarette.
The above, above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a device of checking smoking material desorption rate, is characterized in that, comprises the source of the gas, heating arrangement, gas overflow device, material filling pipe and the aspirator that connect successively by pipeline;
Described aspirator, for providing suction power to source of the gas, so that obtain gas by described heating arrangement and described material filling pipe;
Described heating arrangement, for heated air;
Described material filling pipe, for loading testing sample;
Described gas overflow device, for unnecessary gas in discharge line.
2. the device of check smoking material desorption rate according to claim 1, it is characterized in that, described heating arrangement comprises gas-heated chamber, controller and thermo detector, described thermo detector is arranged at the outlet side of described gas-heated chamber, and described controller is according to the heating-up temperature of gas-heated chamber described in the feedback information control of described thermo detector.
3. the device of check smoking material desorption rate according to claim 2, is characterized in that, the heating tube of described gas-heated chamber is coil pipe.
4. the device of check smoking material desorption rate according to claim 1, it is characterized in that, described gas overflow device is included on pipeline and prolongs the first run-down pipe and the second run-down pipe that airflow direction sets gradually, described the first run-down pipe is connected with pipeline and described aspirator by electromagnetic switching valve, and described the second run-down pipe is connected with pipeline by T-valve.
5. the device of check smoking material desorption rate according to claim 4, is characterized in that, the exhaust end of the exhaust end of described the first run-down pipe and described the second run-down pipe is all installed one-way flow orifice valve.
6. the device of check smoking material desorption rate according to claim 1, is characterized in that, also comprises cooling pipe, and described aspirator is smoking machine, and described cooling pipe is arranged between described material filling pipe and described smoking machine.
7. the device of check smoking material desorption rate according to claim 1, is characterized in that, also comprises flow control valve and flowmeter, and described flow control valve and flowmeter are set in turn in the outlet side of described source of the gas.
8. a method of checking smoking material desorption rate, is characterized in that, comprising:
A, in material filling pipe, load testing sample, the material filling pipe that is filled with described testing sample is weighed;
B, gas enter described material filling pipe, reaction;
C, reaction finish, and described material filling pipe is weighed;
D, calculate desorption rate according to the weighing results of steps A and step C.
9. the method for check smoking material desorption rate according to claim 8, is characterized in that, between described steps A and step B, also comprises:
Aspirator provides suction power to source of the gas, and gas heats by heating arrangement, and unnecessary gas is discharged by gas overflow device.
10. the method for check smoking material desorption rate according to claim 9, is characterized in that, described heating arrangement heating rate is 0～10 ℃/ms, and temperature range is 0～1200 ℃;
Described material filling pipe prolongs the control of airflow direction temperature and is: after 600～1200 ℃ of burning cones, combustion wire 2mm to 200～50 ℃ of filter sticks, 30～80 ℃ of filter sticks.
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| CN201410101006.8A CN103884621B (en) | 2014-03-18 | 2014-03-18 | A kind of device and method of inspection smoking material desorption rate |
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