Multipath gas on-line real-time monitoring method and apparatus

A real-time monitoring and gas technology, applied in measurement devices, fuel testing, instruments, etc., can solve problems such as interference and long gas circulation time, improve real-time performance and accuracy, achieve real-time performance and accuracy, and reduce labor The effect of labor intensity

Active Publication Date: 2014-02-26
RUIJIE ENVIRONMENTAL PROTECTION TECH CO LTD
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a multi-channel gas online real-time monitoring method and device, wh

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  • Multipath gas on-line real-time monitoring method and apparatus
  • Multipath gas on-line real-time monitoring method and apparatus
  • Multipath gas on-line real-time monitoring method and apparatus

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Embodiment Construction

[0034] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0035] Such as Figure 1 As shown, a kind of multi-channel gas online real-time monitoring method described in the present invention comprises the following steps: Step 1, adopting pump-suction remote sampling to sample the gas to be detected through a vacuum pump, and sucking the gas to be detected into the detection pipeline; Step 2 , use a filter to pretreat the gas entering the detection pipeline; step 3, detect oxygen, combustible gas and toxic gas on the pretreated gas through a gas detection instrument; Detect the gas in the pipeline for emptying. The pretreatment in the step 2 includes water removal treatment, dust removal treatment and cooling treatment on the gas. The gas detection instrument in the thir...

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Abstract

The invention relates to the field of environmental protection technology for oil field pollution, especially to a multipath gas on-line real-time monitoring method and a multipath gas on-line real-time monitoring apparatus. The multipath gas on-line real-time monitoring method comprises the following steps step 1, sampling to-be-detected gas by using a vacuum pump in a pumping-type remote sampling manner and sucking the to-be-detected gas into a detection pipeline; step 2, pretreating the gas sucked into the detection pipeline by using a filter; step 3, carrying out detection of oxygen, combustible gas and poisonous gas on the pretreated gas by using a gas detection instrument; and step 4, evacuating the gas in the detection instrument and the detection pipeline by using the vacuum pump. The invention has the following beneficial effects the problems like long circulation time of gas and existence of interference are overcome, instantaneity and accuracy of gas on-line detection are realized, and through remote sampling, unnecessary potential safety hazards to detection personnel during artificial close sampling are avoided, and personal safety of the work personnel is guaranteed.

Description

technical field [0001] The invention relates to the technical field of oil field pollution and environmental protection, in particular to an online real-time monitoring method and device for multi-channel gas. Background technique [0002] With the increase of national crude oil reserves, the number of crude oil storage tanks is also increasing. Traditional manual cleaning or semi-automatic cleaning will gradually be replaced by mechanical cleaning due to problems such as high labor intensity, long construction time, poor safety, and environmental pollution. replace. The volatilization of the oil in the storage tank will fill the tank with flammable gas. In order to avoid explosion or fire, inert gas is usually injected into the tank when the tank is mechanically cleaned to keep the tank below the explosion limit. In order to ensure the safety of cleaning the oil tank, real-time online monitoring of the oxygen content of the gas in the tank and the content of flammable gase...

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Application Information

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IPC IPC(8): G01N33/00G01N33/22
Inventor 舒振国张建伟李率钊
Owner RUIJIE ENVIRONMENTAL PROTECTION TECH CO LTD
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