A multi-component waste gas online monitor

Abstract

The invention discloses a multi-component exhaust gas on-line monitoring instrument, which relates to the technical field of exhaust gas monitoring instruments, and comprises an outer casing, a detection component and a second gas transmission component. An air suction assembly is arranged on the outside of the top of the air inlet, the inner side of the air suction assembly is connected with an air delivery pipe, and the end of the air delivery pipe is provided with a first air delivery assembly. In the present invention, by manually turning the rotating disk, the rotating disk can drive the air extraction pipe to rotate, and after the air extraction pipe is rotated, it can be connected with different air transmission pipes. Each gas delivery pipe is connected with a set of first gas delivery components and connecting pipes. By setting up multiple gas delivery channels inside the equipment, other gas delivery channels can be replaced before the exhaust gas in one gas delivery channel is evacuated. , which greatly shortens the use gap of the equipment, which is beneficial to improve the working efficiency of the equipment.

Description

technical field [0001] The invention relates to the technical field of exhaust gas monitoring instruments, in particular to a multi-component exhaust gas online monitoring instrument. Background technique [0002] The exhaust gas monitor is an analyzer used for the detection of multi-component gases. The exhaust gas monitor is based on the principle of infrared absorption of gas, that is, gas molecules composed of polyatoms absorb infrared light energy within a certain wavelength range. Working in a proportional relationship with the gas concentration, the exhaust gas monitor is usually used to measure the concentration of HC, CO, CO2, and O2 in the exhaust gas emitted by the gasoline engine of a motor vehicle. [0003] During the exhaust gas detection process of the exhaust gas monitors on the market, the exhaust gas will accumulate a little in the pipeline. Considering the accuracy of exhaust gas detection, after one exhaust gas detection, it is usually necessary to let on...

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Problems solved by technology

[0003] During the exhaust gas detection process of the exhaust gas monitors on the market, the exhaust gas will accumulate a little in the pipeline. Considering the accuracy of the exhaust gas detection, after an exhaust gas detection, it usually needs to stand for a while, and the internal air extraction device will The next test can only be carried out after all the internal exhaust gas is extracted, which has a great impact on the efficiency of exhaust gas detection

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