Device and method for separating gas from pressurized liquid

Abstract

The invention discloses a device and method for separating gas from pressurized liquid, and belongs to the field of gas-liquid separation. The device comprises an injector, a sampler and a stripper which sequentially communicate through a connecting pipeline; the sampler comprises a quantitative sampling tube, and an inlet valve and an outlet valve which are respectively arranged at two ends of the quantitative sampling tube; the stripper comprises a stripping pipe communicating with the connecting pipeline, a gas outlet pipe communicating with the upper part of the stripping pipe, a gas inlet pipe communicating with the bottom of the stripping pipe, and a sieve plate arranged at the lower part of an inner cavity of the stripping pipe; and the injector is filled with a desorption solution, and the quantitative sampling tube is filled with the pressurized liquid. The gas enriched by using the device not only contains gas components obtained by reduced pressure flash evaporation, but also contains gas components remained in the liquid after pressure reduction, so that the content of the gas components in the pressurized liquid can be accurately quantified, and the process design and equipment type selection during gas component treatment can meet actual requirements.

Description

technical field [0001] The invention relates to the field of gas-liquid separation, in particular to a device and method for separating gas from pressurized liquid. Background technique [0002] Industrial production processes often involve pressurized liquids, and gas components such as carbon dioxide, hydrogen sulfide, oxygen, ammonia, and volatile organic compounds are generally dissolved in the pressurized liquids. After gas-liquid separation of pressurized liquid, a large number of gas components will be produced. At present, there are two main methods for the treatment of such gas components: one is to meet environmental protection requirements after being treated by adsorption or catalytic degradation, and the other is to recycle them to avoid pollution. However, both of the above two methods need to accurately quantify the content of the gas components in the pressurized liquid, so that the process design and equipment selection for the treatment of the gas componen...

AI Technical Summary

Problems solved by technology

[0005] The existing technology cannot quantify part of the gas evaporated under reduced pressure, so it cannot accurately quantify the content of dissolved gas components in the liquid under pressure, and cannot provide effective support for the subsequent treatment process of gas components

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