Gas turbine intake air treatment system integrating pollutant cleaning, filtration and evaporative cooling

Abstract

The invention discloses a gas turbine air inlet treatment system integrated with pollutant cleaning, filtering and evaporating cooling. The treatment system comprises an air filter device, a treatmentdraught fan, a dehumidifying rotating wheel, a self-cleaning filter, a gas and water heat exchanger, an evaporation cooling cleaning device and a water drop filter which are sequentially connected according to the air leading-in sequence; an outlet of the water drop filter is connected with an inlet of a gas compressor; a smoke filter is connected to a pipeline between a waste heat boiler and thedehumidifying rotating wheel; an outlet of the gas and water heat exchanger, the evaporation cooling cleaning device and the water drop filter is provided with a water circulation device for collecting returned water. Input gas of a gas turbine is subject to cleaning, dust removal, haze removal, gas pollutant removing and evaporation cooling; cooling water is sprayed into dry air passing throughthe dehumidifying rotating wheel, haze removal particles are removed, and gas pollutants of SO2, NOx and the like which cannot be filtered by an existing filter system and can be dissolved in water orcan have a chemical reaction with water are removed.

Description

technical field [0001] The invention relates to the field of energy technology, in particular to a gas turbine intake air treatment system which integrates pollutant cleaning, filtering and evaporative cooling. Background technique [0002] At present, the system for cleaning and treating pollutants in the intake air of a gas turbine has not been involved in domestic and foreign patent documents. Just as the steam cycle generator set has certain requirements for the quality of its working medium (water or steam), and water treatment is required, the gas turbine also needs to clean and filter its working medium (air). Existing gas turbine air intake filtration systems can only filter solid and liquid pollutant particles but cannot remove gas pollutants, but SO 2 and NO x Such corrosive gases entering the gas turbine will cause corrosion, fouling and other adverse effects on the equipment, and even threaten the operation safety of the combined cycle unit. Such gaseous pollu...

AI Technical Summary

Problems solved by technology

Since the exhaust heat of the gas turbine is used to concentrate and regenerate the solution of the solution dehumidifier instead of generating steam to expand and do work in the steam turbine, although the output of the gas turbine has increased, it has reduced the output of the steam turbine and the total cycle time On the contrary, the output decreased

At the same time, from using the gas turbine exhaust waste heat to generate hot water, to using hot water to concentrate and regenerate the solution dehumidifier, it involves multiple energy conversions, as well as heat dissipation and heat preservation of hot water pipes, so the energy utilization rate is relatively low

[0009] Similarly, there is no evaporative cooling and cleaning device in this patent document, and the intake air is not cleaned to remove dust, haze, and gas pollutants.

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