Improved device and method for monitoring total hydrocarbon in real time by using hydrogen flame ionization detector
A real-time monitoring and detector technology, applied in the field of gas analyzers, can solve the problems of long time consumption, lack of data, lagging of monitoring data, etc., and achieve the effect of a wide range of applications
Pending Publication Date: 2020-06-12
浙江全世科技有限公司
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Problems solved by technology
The existing total hydrocarbon monitoring method is mainly to carry out intermittent monitoring through quantitative ring quantification to achieve the purpose of sample gas monitoring, but this monitoring method cannot continuously monitor the volume concentration of the measured components in real time, and the total hydrocarbon concentration monitoring of sample gas requires It takes a long time, and the monitoring data has a lot of lag and missing
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[0035] An improved device and method for real-time monitoring of total hydrocarbons by a hydrogen flame ionization detector proposed by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific examples. Advantages and features of the present invention will be apparent from the following description and claims.
[0036] see figure 1 , an improved device for real-time monitoring of total hydrocarbons by a hydrogen flame ionization detector, comprising an emptying pipeline 2, a sample gas pipeline 1, and a pressure controller 3;
[0037]The sample gas pipeline 1 further includes: a first restrictor tube 101, a second restrictor tube 103, a detection pipeline 104, a third restrictor tube 105, a sampling pump 102, a first three-way valve 106, and an inlet connection of the sampling pump 102. The outlet of the first restrictor tube 101, the inlet of the first restrictor tube 101 is connected to the outlet of the samp...
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The invention discloses an improved device and method for monitoring total hydrocarbon in real time by using a hydrogen flame ionization detector. The device comprises an emptying pipeline, a sample gas pipeline and a pressure detector; the sample gas pipeline sequentially comprises a first flow-limiting pipe, a sampling pump, a second flow-limiting pipe, a first three-way valve, a detection pipeline and a third flow-limiting pipe; an inlet and an outlet of the sampling pump are connected with the first flow-limiting pipe and the second flow-limiting pipe, the second flow-limiting pipe is connected with the detection pipeline through the first three-way valve, and the first three-way valve is connected with an emptying pipeline; the pressure controller is arranged on the detection pipeline; or the pressure controller is arranged on the emptying pipeline; the emptying pipeline comprises a first pipeline, a second pipeline, a third pipeline and a second three-way valve; one end of the first pipeline is connected with a third connector of the first three-way valve; the first pipeline, the second pipeline and the third pipeline are communicated through the second three-way valve, the second pipeline is used for emptying gas, the third pipeline is connected with an inert gas pipeline or an air pipeline, and the pressure controller is arranged on the third pipeline.
Description
technical field [0001] The invention belongs to the technical field of gas analyzers, in particular to an improved device and method for real-time monitoring of total hydrocarbons by a hydrogen flame ionization detector. Background technique [0002] Hydrogen Flame Ionization Detector (FID) is a mass detector that is often used in the field of gas analyzers. It is characterized by simple structure, excellent performance, stability and reliability, convenient operation, and rapid response, so it is often used in the quantitative detection of chemical organic substances. [0003] The hydrogen flame ionization detector needs to use 3 types of gases: carrier gas, combustible gas and supporting gas; hydrogen is used as combustible gas, air is used as supporting gas, and nitrogen is used as carrier gas. The measured component enters the quantitative loop through the power device, is carried by the carrier gas, flows out from the chromatographic column, and enters the ion chamber ...
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CPCG01N30/68
Inventor 郭淳杨建陈挺许翼飞郭旭东
Owner 浙江全世科技有限公司