The Study Of Heat Radiation In Flare Systems Application In The Oil, Gas And Petrochemical Industry

Rafeqah, Abd Ghani (2010) The Study Of Heat Radiation In Flare Systems Application In The Oil, Gas And Petrochemical Industry. Project Report. UTeM, Melaka Malaysia. (Submitted)

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Abstract

Heat released from flaring activity can gave a big impact to our skin even the flare tip commonly located at a high level. Flaring is high-temperature oxidation process used to burn volatile organic compound (VOC). This reaction produces heat, noise, light as well as pollutant. The heat released caused heat radiation and emitted by matter in the form of electromagnetic ways. Hence, when designing the flare system, heat radiation is one of another factor that has to be considered. The proper design of flare is a vital in oil and gas industry as weak design may cause damage in property as well as effect to human being. The study has indicated that an intensity of 7500 Btu/hr/ft2 caused burns on bare skin of white rats in approximately 6 seconds. However, human with appropriate clothing can endure radiant heat intensity approximately 1500 Btu/hr/ft2 for several minutes which they can do some quick work at flare area. In this study, the design of flare system has been conducted by referring to American Petroleum Institute Recommended Practice 521 (API RP 521). An analysis has been done in order to ensure the current design of flare system meet the API standard. The analysis takes place on both high pressure and low pressure flare. As for high pressure, the standard is 1 Mach, while for low pressure is below 0.5 Mach. In analysis, the radiant heat intensity and the maximum distance from flare stack to the exposure object are taken from API RP 521 Standard while the opening diameter, the height of flare stack and tip were taken from current design. After all, the important of determining suitable flare radius are to keep worker safely as well as equipment.

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