A volatile organic compound combustion device comprises a mixer (8) to mix VOC gas containing volatile organic compounds and air for combustion and a burner (17) to burn fuel using the VOC-air mixture that was mixed by the mixer (8). This volatile organic compound combustion device (1) can easily burn volatile organic compounds using the existing burner (17) for burning fuel by pressurizing the VOC gas using a small-scale VOC gas blower (6) by way of mixing the VOC gas into the combustion air that is used for burning fuel without requiring the VOC gas to be pressurized to the same degree as the fuel gas. Thus, the volatile organic compound combustion device (1) does not require a compressor dedicated to pressurizing the VOC gas to the same degree as the fuel gas pressure to be provided, thus reducing manufacturing costs.
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