A denitration ammonia gas pretreatment system

A pretreatment, ammonia technology, applied in gas treatment, chemical/physical process, mixer, etc., can solve problems such as safety hazards
CN106166455AActive Publication Date: 2016-11-30DATANG ENVIRONMENT IND GRP
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
DATANG ENVIRONMENT IND GRP
Publication Date
2016-11-30

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Abstract

A denitration ammonia gas pretreatment system is provided. The system includes a liquid ammonia evaporation device and an ammonia gas-air mixing device. The system allows industrial ammonia to be gasified and diluted rapidly, safely and stably into an ammonia gas-air mixture having a stable temperature and a uniform concentration, ensures stable running of denitration systems and host systems of main factories, and ensures that nitrogen oxides discharged from a denitration outlet reach the standards.
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Description

technical field

[0001] The invention relates to the technical field of environmental protection, in particular to the technical field of flue gas denitrification treatment, and in particular to a denitrification ammonia gas pretreatment system. Background technique

[0002] Boilers burning fossil fuels (such as coal, oil, natural gas) produce a large amount of flue gas, which contains harmful substances such as nitrogen oxides (NOx), a greenhouse gas that destroys the ozone layer. Direct harm to human health; Participate in the formation of photochemical smog, acid rain, and environmental pollution; In order to reduce the harm caused by NOx to the environment and humans, the state has put forward more and more strict requirements on the NOx emission concentration in the flue gas produced by boilers. In order to achieve a lower concentration of NOx emissions and reduce and eliminate the harm of NOx to humans, before the boiler flue gas is discharged into the atmosphere, it us...

Claims

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