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Monitoring system for field leakage points of ferrous metallurgy gas pipes

A gas pipeline and monitoring system technology, applied in pipeline systems, gas/liquid distribution and storage, mechanical equipment, etc., can solve problems such as reducing emergency repair efficiency, prolonging judgment time, delaying emergency repair time, etc., and achieving significant safety and social benefits. , improve speed and ensure safety

Inactive Publication Date: 2019-01-25
NANJING IRON & STEEL CO LTD
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  • Abstract
  • Description
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Problems solved by technology

[0003] At present, the judgment of the gas leakage point of the gas pipeline is mostly based on the judgment of the valve and the pipeline. Due to the series gas supply of some gas supply points, some valves cannot be closed in time, so the judgment time is prolonged, the repair time is delayed, and the repair time is reduced. efficiency

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  • Monitoring system for field leakage points of ferrous metallurgy gas pipes
  • Monitoring system for field leakage points of ferrous metallurgy gas pipes

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Embodiment Construction

[0015] The technical solutions of the present invention will be described in detail below with specific embodiments in conjunction with the accompanying drawings.

[0016] This embodiment takes the monitoring of the gas leakage of the water-sealed tank of the gas main pipe of Iron and Steel Avenue of an iron and steel group as an example (such as figure 1 ), the CO detection signal is collected at the collection station near the water-sealed tank of the gas pipeline, and the leakage of the water-sealed gas is monitored in real time on the host computer, and an alarm is issued if it is found to be excessive.

[0017] like figure 2 , The detection system takes several three-wire flameproof fixed CO detectors as the core, collects the CO concentration at the on-site monitoring point, and adopts wired signal collection and transmission. The CO detector is connected to the collection station through the RS485 interface (as shown in the 200,000 cabinet station, the new steelmaking...

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Abstract

The invention discloses a monitoring system for field leakage points of gas pipes. A carbon monoxide detecting instrument is mounted in field, and detects the concentration of the carbon monoxide in real time, by data processing and analysis, a real-time concentration numerical value is obtained, and when the concentration of the carbon monoxide at a detecting point reaches a certain early warningcritical value, alarming prompt is given through an alarming system. In repair field, particularly in a repair field with complicated gas pipe networks, the speed and accuracy of judgment of leakagepoints of gas pipes can be increased, compared with a traditional valve and pipe judging method, the system has the advantages that the judgment time is shortened by nearly 65%, the judgment accuracyis improved to be 100%, the repair efficiency is greatly improved, and safety of staffs nearby the leakage points and safety of production and activity can further be ensured.

Description

technical field [0001] The invention relates to the field of iron and steel metallurgy, in particular to a system for quickly and accurately judging gas pipeline site leakage points under complex conditions so as to shorten the repair time. Background technique [0002] Gas leakage accident is a major accident in iron and steel smelting production. Once it occurs, it will cause huge loss of life and property. Carbon monoxide (CO) is a colorless, tasteless, odorless, non-irritating gas with a specific gravity of 0.967. It is almost insoluble in water and is not easily absorbed by activated carbon. When carbon substances are not completely burned, CO can be produced. For example, if the human body inhales a high concentration of CO in a short period of time, or the concentration is low but the inhalation time is long, it can cause acute poisoning. In iron and steel smelting companies, installing effective monitoring and alarm equipment for real-time monitoring of carbon monox...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D5/00F17D5/02
CPCF17D5/005F17D5/02
Inventor 邵仁志张林马元
Owner NANJING IRON & STEEL CO LTD
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