Selecting the Proper Flare System Clarkson （选择适当的耀斑系统克拉克森）.pdfVIP

Back to Basics Selecting the Proper Flare Systems Adam Bader Flares allow for the safe, effective disposal Charles E. Baukal, Jr., P.E. Wes Bussman of gases and liquids, by acting as relief devices John Zink Co. LLC when a plant must quickly dispose of product within its system to prevent overpressurization and potential explosions. lares are used extensively in the hydrocarbon and Types of flares petrochemical industries as a way to achieve safe Three types of flares are used in the hydrocarbon and Fand reliable vapor release during a plant upset or petrochemical industries: single-point flares, multi-point emergency situation. Flares deal with a variety of waste gas flares, and enclosed flares. compositions, depending on the type of plant. The mate- Single-point flares can be designed without smoke sup- rial released into a flare system is usually a hydrocarbon, pression, or with steam- or air-assisted smoke-suppression or a mixture of constituents that can range from hydrogen equipment. They are generally oriented to fire upward, with to heavy hydrocarbons. These gases may contain harmful the discharge point elevated above the surrounding grade and potentially toxic vapors that must be burned completely and nearby equipment (Figure 1). This is the most common in order to prevent damage to the environment and human type of flare for onshore refining facilities that operate at low healt