“The real-time monitoring data platform through the gas network can not only accurately measure the gas emission flow, but also analyze and compare the related multiple data in a trend chart to determine the gas composition.†In June, Wu Changyan, the shifting supervisor of Guangzhou Petrochemical Production and Dispatching Department, said that this function can help managers analyze and determine the specific devices of gas source and quickly take effective measures to ensure the entire gas. The pipe network is safe and stable.
As the number of devices increases and production tasks increase, the gas balance becomes more and more difficult. In order to do a good job in gas management, in recent years, Guangzhou Petrochemical has strengthened its production and operation management, and on the basis of controlling gas emissions from the source, continuously increased capital investment in the construction of gas pipeline network information, at major emission points (such as catalysis, coking). , Hydrogenation unit), the main area of ​​the key area is equipped with ultrasonic flowmeter, real-time data platform is used to establish gas real-time monitoring and monitoring system, relying on advanced technology to provide accurate data information for production scheduling and command, and improve gas management level.
Guangzhou Petrochemical Gas Real-Time Data Platform adopts Honeywell's Uniformance PHDR210 and Workcenter PKSR300 systems. The database system integrates all process data of the refinery, and builds a general plan for the high, medium and low pressure gas processes of the whole plant, and comprehensively monitors the gas pipeline network. The key parameters such as pressure, flow and temperature dynamically display the real-time data and trends of the relevant parameters of the gas pipeline network. In May of this year, on the basis of maintaining the original functions of the system, the custom trend was added, and the group trend analysis and historical trend analysis were performed on the gas emission parameters of the device, which facilitated the dispatchers to quickly make accurate judgments and improve the efficiency of gas management.
“Is the pressure of the gas pipeline network in the refinery area stable? How much does the actual gas emissions of each unit exceed the standard? How is the working condition of the gas cabinet and compressor normal?†At the Guangzhou Petrochemical Production Dispatching Command Center, there are specialized personnel. The gas balance of the plant is closely monitored, and according to the changes in the properties of different crude oils, the gas production and consumption of each device are tracked, and the problems appearing in time are coordinated. At the same time, they also fully utilized 50,000 cubic meters of gas cabinet capacity and 15,000 cubic meters / hour of gas recovery capacity to reduce gas emissions.
In recent years, Guangzhou Petrochemical torch emission time has been decreasing year by year through the implementation of various measures such as continuous improvement of gas real-time monitoring system and equipment optimization balance. According to statistics, in the first five months of this year, the time of Guangzhou Petrochemical Gas Torch decreased to 1.15 hours, down 28.6% year-on-year. It reduces processing losses and reduces environmental impact.
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