| 摘要 |
FIELD: chemistry.SUBSTANCE: invention relates to chemical industry and can be used in industrial processes when producing formic acid or acetic acid and when producing polycarbonates or polyurethanes. The invention discloses a method and apparatus for removing leaked gas from an evaporation apparatus, through which a liquid is passed through a system of pipes, wherein said liquid is evaporated. Leaked gas is trapped in a pressure reservoir and then released in a controlled manner into a burner for destruction thereof. The invention proposes to control pressure and temperature of the trapped gas to cut its supply if the limiting pressure or temperature value is exceeded.EFFECT: invention provides reliable removal of toxic gas while observing all environmental standards.6 cl, 1 dwg |
