Water vapor generating device and method for SCR denitration catalyst performance detection

Abstract

The invention relates to a water vapor generating device and method for SCR denitration catalyst performance detection, and belongs to the field of performance detection and evaluation of SCR denitration catalysts. How to quickly prepare water vapor and achieve good mixing of the water vapor and gas from a gas distribution system becomes an important part in the design of a denitration catalyst performance detection test stand. The water vapor generating device is characterized by comprising an intelligent temperature-controlled electric heating furnace system, a high-temperature evaporator system and a water vapor exporting system, wherein the high-temperature evaporator system comprises a high-temperature evaporator frame plate, a capillary burette fixing block, a capillary burette, a high-temperature evaporator body, a heat storage evaporation body, a packing tank and an air flow uniform distribution plate; an inlet of the capillary burette is exposed outside the high-temperature evaporator body, the heat storage evaporation body, the packing tank and the air flow uniform distribution plate are all fixed in an evaporation cavity of the high-temperature evaporator body, and the capillary burette is located directly above the heat storage evaporation body. The water vapor generating device and method for the SCR denitration catalyst performance detection have the advantages that the structural design is reasonable, the evaporation rate is fast, and the mixing effect is good.

Description

technical field [0001] The invention relates to a water vapor generating device and method for performance detection of an SCR denitration catalyst, belonging to the field of performance detection and evaluation of an SCR denitration catalyst. Background technique [0002] At present, domestic thermal power units mainly use selective catalytic reduction (SCR) denitrification technology to control nitrogen oxide emissions. The core part of this technology is the selection and operation management of catalysts. In order to evaluate the performance of the catalyst, track and understand the life decay of the catalyst, so as to facilitate the installation, replacement and regeneration of the catalyst, various catalyst manufacturers, electrical research institutes, colleges and universities and other scientific research institutions have carried out the performance testing and evaluation of catalysts. In view of the fact that the denitrification catalyst small-scale test bench can...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of slow evaporation rate and poor mixing effect in the current SCR denitrification catalyst performance testing test bench water vapor production, and provide a reasonable structure design, fast evaporation rate and good mixing effect for SCR denitrification Water vapor generating device and method for catalyst performance detection

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