Flue gas and multilayer network liquid film contact desulfurization, denitrification, dust removal and heat exchange method

Abstract

The invention provides a flue gas and multilayer network liquid film contact desulfurization, denitrification, dust removal and heat exchange method, and relates to the technical field of boilers, wherein the method comprises a venturi scrubber method of flue gas, a bubble reactor method, a spraying tower method, a multilayer network liquid membrane contact method, and a multilayer network defogging method. According to the present invention, with the method, the contact surface areas between the flue gas and the desulfurization liquid, between the flue gas and the denitrification liquid, between the flue gas and the dust removal liquid and between the flue gas and the heat exchange liquid can be maximized, and the problem that the flue gas contacts the surface of the mist droplet and cannot contact the core of the mist droplet can be solved.

Description

technical field [0001] The invention relates to the technical field of boilers, in particular to a method for desulfurization, denitrification, dust removal and heat exchange by contacting flue gas with a multi-layer mesh liquid film. Background technique [0002] At present, energy and the environment are two major problems facing human beings. The fact that coal is the main resource is in line with the fact that my country's resource endowment cannot be changed. Other energy sources are only auxiliary energy sources and cannot become the main force. Due to the smog caused by excessive sulfur, nitrate, dust and other pollutants in coal-fired flue gas emissions, coal-to-gas conversion is being promoted in various provinces and cities in various ways, including administrative means, resulting in excess coal production capacity, or in various ways. These methods include administrative measures to reduce coal energy. my country is a big country with more coal and less gas. The c...

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Problems solved by technology

[0003] In view of the deficiencies in the above problems, the present invention provides a method for contacting desulfurization, denitrification, dust removal, and heat exchange between flue gas and multi-layer network liquid membrane, so as to maximize the expansion of desulfurization, denitrification, dust removal, heat exchange fluid and The surface area in contact with the flue gas solves the problem that the flue gas cannot contact the droplet nucleus in contact with the surface of the droplet

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