Smoking apparatus capable of implementing continuous one-time sampling of main fume gas phase object
A mainstream smoke and smoking device technology, applied in the field of tobacco, can solve problems such as cumbersome method process, interference, and deviation of analysis results, and achieve the effect of simplifying the sample preparation process, simple structure, and simplified operation
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Embodiment 1
[0017] Such as figure 1 Shown: The smoking device of the present invention that can realize continuous single-port sampling of the gas phase of mainstream smoke includes a cigarette holder 11 connected in sequence through a pipeline, a smoke gathering cylinder cavity 5 with an exhaust piston 13 and a flow control The suction pump 9 and the flue gas collection cylinder cavity 5 are respectively connected to the cigarette holder 11 and the suction pipe of the suction pump 9 through the air inlet valve 12 and the suction valve 6. A three-way valve 7 and a filter valve 8 are arranged on the pipeline between the pumps 9, and a flue gas outlet pipe 3 controlled by the gas outlet valve 4 is arranged at the top of the flue gas gathering cylinder cavity 5. The flue gas outlet pipe 3 is a U-shaped tube or The elbow structure, the air outlet of which is directly inserted in the sealed flue gas collection bottle 2 with the exhaust hole 1.
[0018] In order to filter and trap the particulate ...
Embodiment 2
[0021] Such as figure 2 Shown: The difference between this embodiment and Embodiment 1 is that the flue gas outlet pipe 3 is a needle-type sampling tube structure that can directly inject samples into the gas detection instrument. When in use, the needle-type flue gas outlet pipe can be used. It is directly inserted into the sample inlet of the instrument, and the exhaust piston 13 moves upward to directly inject the flue gas collected in the flue gas gathering cylinder cavity 5 into the analysis instrument for analysis.
[0022] The other components and the use control program are exactly the same as in the first embodiment.
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