Non-methane hydrocarbon online detector
A technology of non-methane total hydrocarbons and detection devices, which is applied in measurement devices, instruments, scientific instruments, etc., can solve the problems of insufficient detection accuracy and long time consumption.
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[0021] The invention provides an online detection device for non-methane total hydrocarbons, which is applied in the technical field of detection of non-methane total hydrocarbons. The online detection device for non-methane total hydrocarbons of the present invention includes: a dust removal filter, a dryer, a zero gas generator, and a sampling channel , conversion valve, capillary empty tube, methane molecular sieve, hydrogen flame ionization detector; the sampled gas must first pass through the dust filter to remove dust, so as not to block the pipeline, and then pass through the dryer to remove the moisture in the sample gas, and then pass through The zero gas generator removes the acid-base waste gas in the gas to be measured, and the pretreated gas is passed into the sampling channel 1 and into the switching valve, and then reaches the capillary empty tube and the methane molecular sieve through the transport of the carrier gas; the methane molecular sieve only allows Whe...
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