FIELD: chemistry.
SUBSTANCE: method includes dividing gas into streams directed to consumers and a portion which is directed into an evaporator, where it is saturated by odorant vapour to obtain an odorant-saturated gas, which is mixed with streams directed to consumers in proportion to the flow rate thereof. The flow rate of streams directed to consumers is measured and the overall flow rate of the gas is calculated. The weight flow rate of the odorant into the stream of the gas portion is set by measuring the rate of decrease of the weight of the evaporator depending on the overall flow rate of the gas. Continuity of the process is provided by using two evaporators, one of which is filled with the spent odorant and the odorant-saturated gas is obtained in the other.
EFFECT: simple method, high accuracy of proportioning the odorant and odorising multiple gas streams.
1 dwg
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