Energy-efficient desulfurization and denitrification dust removal system

A desulfurization, denitrification, and dust removal system technology, which is applied in the direction of lighting and heating equipment, combined devices, and separation of dispersed particles, to achieve the effects of avoiding the temperature drop of flue gas, effective denitrification operation, and low voltage

Active Publication Date: 2016-03-09
贾博麟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The requirements of ultra-clean and environmental protection have increased the construction and operation costs of power plants in environmental protection facilities.

Method used

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  • Energy-efficient desulfurization and denitrification dust removal system
  • Energy-efficient desulfurization and denitrification dust removal system

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0034]As shown in the figure, a high-efficiency energy-saving desulfurization, denitrification and dust removal system disclosed by the present invention includes a cyclone dust collector including a burner, a high-temperature electric cyclone dust collector 9, an SCR reactor 3, and an air preheating system. 4, flue 5, absorption tower 6, main spray 7, auxiliary spray 8, medium and high temperature electric cyclone dust collector 92, nitrogen mixer 10, refractory material and metal material composite spray gun 11 or ammonia cake, A low pH value slurry circulation pool 12, a high pH value slurry circulation pool 13, a wet electric cyclone dust collector 14, and a chimney 15.

[0035] The cyclone dust collector including the burner is located above the burner and below the large screen, and a cyclone dust removal top cover composed of refractory ...

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Abstract

The invention relates to the field of energy conservation and environment protection, in particular to an energy-efficient desulfurization and denitrification dust removal system. The system comprises a cyclone dust collector containing a combustor, an SNCR mechanism, a middle-high temperature cyclone dust collector, an SCR reactor, a desulfurization mechanism and a wet-type electrical cyclone dust collector which are connected in sequence; the desulfurization mechanism comprises a desulfurization gas flue and an absorption tower, wherein the desulfurization gas flue is internally provided with a spraying system and the absorption tower is arranged at the end of the desulfurization gas flue. By using the scheme, energy can be effectively saved.

Description

technical field [0001] The invention relates to the field of energy saving and environmental protection, in particular to a high-efficiency energy-saving desulfurization, denitrification and dust removal system. Background technique [0002] The current denitrification technology for power plants is SNCR (small boiler), SCR (medium and large boiler) or sncr and scr combined denitrification (medium and large boiler). Desulfurization method. In order to meet the current stricter environmental protection requirements of the country, wet desulfurization technologies such as two-tower series or single-tower double-zone desulfurization are currently used, and humidified electrostatic precipitators are used after wet desulfurization. [0003] The catalyst for SCR denitrification contains vanadium pentoxide, which is moderately toxic, and the flue gas passes through the catalyst (the dust content in the flue gas of pulverized coal furnace is about 20 g / m 3 ), it has a great ab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/75B01D53/56B01D53/48B01D53/96B01D50/00F23J15/02F23J15/04
Inventor 贾博麟贾增源贾文杰贾庆录李长年吉利娜贾宜楚贾琳琳张玲葛君利刘子涵刘佳萱贾菲刘超周玉叶何建文何用文职启琛翟红嘉冯邵南冯建军刘彩虹张希民许学之许陈云张昂张帅刘振朝
Owner 贾博麟
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