汽油混合过程采用旋转CVA，以提高准确性，经济性和环境性能

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Fluxys is the independent operator of the natural gas storage and transmission system in Belgium, supplying domestic and industrial consumers throughout the country. Because the natural gas can come from different sources and the composition of each source varies, the quality of the gas is closely monitored for calorific value and density at blending stations. The gas blending process is therefore a critical part of the transmission and storage structure, impacting on product quality, environmental regulations and profitability.

Wishing to improve the blending process, Fluxys identified valve actuation as a key area. Improving process valve response times whilst reducing dead-time and overshoot would increase control efficiency and eliminate potential cycling and variability problems. If an electrical solution could also be found, it would reduce operating costs and improve environmental performance by eliminating the requirement to waste gas through venting to air as determined by existing equipment.

Prodim, Rotork’s agent in Belgium, proposed the use of the CVL-5000 electric control valve actuator as an alternative to the existing actuator on a blending flow control valve in a trial at the Fluxys booster station at Le Roeuix. As well as simplified, all-electric operation with low power consumption, the CVL-5000 delivers a high thrust linear output performance that suits the heavy duty demands of the large control valves used in the application, combined with a programmable integral fail-safe capability.

Fluxys，Rotork和Mokveld的工程师卸下了现有的执行器，安装了ATEX认证的爆炸式CVL-5000，重新连接了控制信号，并进行了一系列测试，这些测试证明了改善的响应时间，准确的阀门定位，低运行成本和低运行成本和失败 - 运行成本和失败 -待办事项操作是损失主电源的。结果，Fluxys决定采用CVL-5000作为其燃气混合植物的标准执行器。随着时间的流逝，现有的阀将进行翻新，而新阀将安装执行器工厂。据估计，每个阀安装所取得的提高性能可以伴随着每单位运营成本的每年节省5000欧元。

Find out more aboutCVA电气控制阀执行器.