The utility model relates to an ultra-low emission system for desulfurization, denitrification and dust removal for boilers, including a boiler, a flue, a bag filter, an induced draft fan, a combined desulfurization and denitrification water-bath dust removal device, a gas-water separator and a chimney. The upper part of the bag filter, an induced draft fan and a combined desulfurization and denitrification water-bath dust removal device is connected by flue sequence of the boilers, and the upper part of the combined desulfurization and denitrification water-bath dust removal device is connected with the gas-water separator The upper end of the gas-water separator is connected with the lower part of the chimney through the second flue; the inner cavity of the combined desulfurization and denitrification water-bath dust remover is longitudinally equipped with an isolation device, which divides the inner cavity of the combined desulfurization and denitrification water-bath dust remover into two chambers, the bottom of the left and right chambers are connected; the upper end of the left chamber is fixed with a desulfurizer and a second denitrifier, and the gas-water separator is fixed in the right chamber. The upper end of the chamber and the upper part of the left and right chambers are all cavities. The height of the cavity is 0.3 m 0.5 m, and the lower part is filled with water. Through the technical scheme, the flue gas purification efficiency is high, which is conducive to environmental protection, at the same time, the investment is small and the land occupation is small.
【技术实现步骤摘要】
锅炉用脱硫脱硝除尘超低排放系统
本专利技术涉及锅炉燃烧后烟气净化装置,特别是涉及锅炉用脱硫脱硝除尘超低排放系统。
技术介绍
:现在燃煤燃生物质锅炉产生的烟气中含有不同程度的硫、硝和烟尘,大量的烟气对大气造成了严重的污染,因此对烟气的脱硫、脱硝和净化净化处理十分重要,尤其是随着对氮氧化物、二氧化硫控制标准的严格化,同时实现脱硫、脱硝除尘技术日益受到各方面的重视。目前烟气中脱硫、脱硝和除尘技术大多处于研究性和工业示范阶段,由于在一套系统中同时实现脱硫、脱硝和除尘,投资大、成本高,占地面积大。
技术实现思路
:针对上述现有技术中存在的问题,本专利技术提供一种锅炉用脱硫脱硝除尘超低排放系统及其脱硫脱硝除尘方法,其技术方案是:一种锅炉用脱硫脱硝除尘超低排放系统,包括锅炉、烟道、布袋除尘器、引风机、脱硫脱硝水浴除尘组合脱除器、气水分离器、烟囱,锅炉通过烟道次序连接布袋除尘器、引风机及脱硫脱硝水浴除尘组合脱除器的上部,气水分离器与脱硫脱硝水浴除尘组合脱除器上端连通,气水分离器上端通过第二烟道连接烟囱下部;脱硫脱硝水浴除尘组合脱除器内腔中间纵向设有隔离装置,将脱硫脱硝水浴除尘组合脱除器内腔分成左右两个腔室,左右腔室底部相通;左腔室内部上端固定设有脱硫器和第二脱硝器,气水分离器固定设于右腔室上端,左右腔室上部均为空腔,所述空腔高度为0.3m-0.5m,下部盛水。上述技术方案可进一步改进为:所述锅炉的炉膛内设有氨水脱硝器,且氨水脱硝器距离炉膛底部为30厘米。所述隔离装置底部中间设有开口。所述隔离装置底部置于脱硫脱硝水浴除尘组合脱除器底部的上部,且前者底部与后者的底部具有一定距离。所述 ...
【技术保护点】
1.一种锅炉用脱硫脱硝除尘超低排放系统,其特征在于:包括锅炉、烟道、布袋除尘器、引风机、脱硫脱硝水浴除尘组合脱除器、气水分离器、烟囱,锅炉通过烟道次序连接布袋除尘器、引风机及脱硫脱硝水浴除尘组合脱除器的上部,气水分离器与脱硫脱硝水浴除尘组合脱除器上端连通,气水分离器上端通过第二烟道连接烟囱下部;脱硫脱硝水浴除尘组合脱除器内腔中间纵向设有隔离装置,将脱硫脱硝水浴除尘组合脱除器内腔分成左右两个腔室,左右腔室底部相通;左腔室内部上端固定设有脱硫器和第二脱硝器,气水分离器固定设于右腔室上端,左右腔室上部均为空腔,所述空腔高度为0.3m‑0.5m,下部盛水。
【技术特征摘要】
1.一种锅炉用脱硫脱硝除尘超低排放系统,其特征在于:包括锅炉、烟道、布袋除尘器、引风机、脱硫脱硝水浴除尘组合脱除器、气水分离器、烟囱,锅炉通过烟道次序连接布袋除尘器、引风机及脱硫脱硝水浴除尘组合脱除器的上部,气水分离器与脱硫脱硝水浴除尘组合脱除器上端连通,气水分离器上端通过第二烟道连接烟囱下部;脱硫脱硝水浴除尘组合脱除器内腔中间纵向设有隔离装置,将脱硫脱硝水浴除尘组合脱除器内腔分成左右两个腔室,左右腔室底部相通;左腔室内部上端固定设有脱硫器和第二脱硝器,气水分离器固定设于右腔室上端,左右腔室上部均为空腔,所述空腔高度为0.3m-0.5m,下部盛水。2.如权利要求1所述的锅炉用脱硫脱硝除尘超低排放系统,其特征在于:所述锅炉的炉膛内设有氨水脱硝器,且氨水脱硝器距离炉膛底部为30厘米。3.如权利要求1所述的锅炉用脱硫脱硝除尘超低排放系统,其特征在于:所述隔离装置底部中间设有开口。4.如权利要求1所述的...
【专利技术属性】
技术研发人员:宋新德,
申请(专利权)人:东营市胜东特种纸有限责任公司,
类型:新型
国别省市:山东,37
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