Qingdao **Co., Ltd. Safety Operation Monitoring System
(I) basic information
Application Scenario: Security Management
In 2008, the Beijing Olympic sailing competition and the Paralympic sailing competition were held in Qingdao successively. Athletes and tourists from all over the world gathered here. Urban safety has become the basic lifeline of the government and enterprises. Qingdao **Co., Ltd. due to the early start of the old gas pipeline renovation, resulting in leakage risk and management problems are also increasing. Due to the wide area, many problems and great safety hazards of the gas pipeline network, the security of the competition venue is facing great challenges.
(II) Solutions
Gas underground pipe network leakage monitoring "solution. The plan monitors the operation status of the gas pipeline network in key urban areas, such as government departments, commercial districts, medical care, schools, etc., to ensure the safety of the pipeline network operation and provide guarantee for the smooth progress of the Olympic sailing competition.
The "gas underground pipe network leakage monitoring" platform can realize multiple functions. The system background can monitor the pressure, temperature, gas volume and other changes of the pipe network in real time according to the data collected by the field equipment, and has the function of water level alarm to prevent seawater from pouring back. Upload the site conditions every day, detect the gas concentration once every 30 minutes, give a continuous alarm when danger is found, and give a two-level alarm of 20% LEL and 40% LEL, so as to ensure timely emergency repair and nip the danger in the bud in time.
The WeegDMU wireless data monitoring terminal unit uses lithium battery for power supply, which solves the difficulty that most monitoring points have no commercial power supply, can adapt to the underground pipe well environment in coastal cities, and is resistant to microbial corrosion. Moreover, the equipment is movable/small in size, can be flexibly arranged according to needs, and can be installed in narrow underground pipe wells.
Since 2010, Vig has expanded the scope of project monitoring for customers, including communication, power, sewage and other wells and trenches crossing gas wells within the scope of gray cast iron pipes, thus ensuring the safe operation of urban underground pipe networks.
(III) main results
In order to ensure the basic safety of people's livelihood and ensure the stable production and living order of residents, industry and commerce, Qingdao * * Co., Ltd. has performed the major responsibility of gas safety management. Changzhou Weige Electronics Co., Ltd. has helped Qingdao * * to build an intelligent gas operation safety management system. During this period, a series of important achievements have been made:
1. Successfully guarantee the holding of major events and summits: the sailing competition of the 2008 Beijing Olympic Games, the 18th meeting of the 2018 Qingdao Shanghai Cooperation Summit and the 2019 Qingdao Navy Festival were all successfully held.
2. Timely early warning of dangerous situations and accurate positioning to ensure emergency repair: Since 2008, Changzhou Weige Electronics Co., Ltd. has deployed 600 WeegDMU wireless data monitoring terminal units for Qingdao * *, successfully warning dangerous situations of leakage nearly 100 times.
3. Achieve good social benefits: avoid casualties and major economic losses caused by gas leakage, and reduce the occurrence of adverse social impact events caused by gas leakage.
4. Improve the safety guarantee mode of the pipe network: the safety management of the daily pipe network no longer relies solely on manual work, and promotes the safety of the pipe network through the combination of real-time monitoring of the online system and on-site inspection personnel.
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