Automatic regulating and controlling method of wet steam boiler dryness

Abstract

An automatic regulation and control method for the dryness of wet steam boiler features that on the basis of the principle that there is a special correlation between the enthalpy and dryness of wet steam, the consumed fuel is controlled for regulating the enthalpy of wet steam and in turn its dryness. Its advantages are high automation level, simple structure and operation, and high safety.

Description

1. Technical field [0001] The invention relates to an automatic adjustment control system, in particular to an automatic adjustment control system for wet steam dryness in the production process of a wet steam boiler. 2. Background technology [0002] Wet steam boiler is an industrial once-through boiler, which is widely used in heavy oil exploitation and other industries in the petroleum industry. Its main purpose is to produce wet steam with a certain degree of dryness for use in other production processes. The so-called wet steam is a two-phase flow medium composed of a certain mass ratio of saturated water and saturated water vapor. The so-called dryness is the percentage of the mass ratio of the saturated water vapor contained in the wet steam to the wet steam. In general, wet steam boilers work at ultra-high pressure or even subcritical conditions. The dryness of wet steam is an important indicator related to safe production and production process. [0003] So far,...

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Problems solved by technology

[0004] This paper proposes a wet steam boiler dryness automatic adjustment control method, which effectively solves the problem of wet steam dryness automatic adjustment control in the production process of wet steam boilers

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