A SZS-type boiler with water-cooled jacket on the front and back walls of the furnace consists of an upper drum, a lower drum, a convective tube bundle and a furnace. Its characteristics are as follows: the upper drum and the lower drum are connected by convective tube bundles, and the convective tube bundles are installed in the furnace. Water-cooled jackets are installed on the front and rear walls, the side walls and the top of the furnace. Compared with the existing technology, due to the use of water-cooled jacket, the difficulty from blanking to assembly and welding is reduced. Continuous fillet weld welding between steel plates can adopt automatic welding process or semi-automatic CO2 welding machine, which improves work efficiency and quality and shortens the production cycle of the whole boiler. The use of water-cooled jacket can effectively cool all parts of the front and back walls of the boiler hearth, avoiding structural defects such as burnout and air leakage at dead corners in the operation of the original structure.
【技术实现步骤摘要】
一种炉膛前后墙采用水冷夹套的SZS型锅炉
本专利技术涉及一种SZS型锅炉,具体涉及一种炉膛前后墙采用水冷夹套的SZS型锅炉。
技术介绍
传统的SZS型燃油气锅炉以前由于制造工艺难度较大,造价高,在与WNS型燃油气锅炉的竞争中一直落于下风。近年来,随着国家和社会对于环保要求提升,对于锅炉的低氮排放指标也一再调高。SZS型锅炉由于其炉膛容积较大,容积热负荷较低,更加容易满足低氮燃烧的需要,今年以来,SZS型锅炉的销量和市场占有率均有不小的提升。在SZS型锅炉的生产过程中,由于炉膛前后墙水冷壁(附图1)分别需要安装燃烧机和检修孔,炉膛前后墙水冷壁管子形状复杂,管子之间的密封扁钢不规则,理论上可以计算机画图,数控切割出来,但实际上,由于弯管的质量不易控制,其偏差一般在2~3mm,故数控下料也保证不了对接间隙,前后墙水冷壁扁钢还需要手工比对、画线、切割、对装、焊接。造成炉膛前后墙水冷壁制造难度大,周期长,一般需要一个生产班组一周时间才能完成一套前后水冷壁的加工任务。同时,由于结构限制,前后墙与对流隔墙的上下角,水冷扁钢面积较大,在运行中,易出现高温变形甚至烧坏,出现漏风。
技术实现思路
为解决上述问题,本专利技术提供一种炉膛前后墙采用水冷夹套的SZS型锅炉。本专利技术的技术方案具体为:一种炉膛前后墙采用水冷夹套的SZS型锅炉,包括上锅筒、下锅筒、对流管束、炉膛,上锅筒与下锅筒通过对流管束连通,对流管束安装在炉膛中,炉膛前后墙、炉膛侧墙、炉膛顶部全部安装水冷夹套。进一步的:水冷夹套采用2块间隙在100mm左右的钢板组成,2块主钢板之间采用圆钢拉撑来加固和保持距离;炉膛前后 ...
【技术保护点】
1.一种炉膛前后墙采用水冷夹套的SZS型锅炉,包括上锅筒、下锅筒、对流管束、炉膛,其特征在于:上锅筒与下锅筒通过对流管束连通,对流管束安装在炉膛中,炉膛前后墙、炉膛侧墙、炉膛顶部全部安装水冷夹套。
【技术特征摘要】
1.一种炉膛前后墙采用水冷夹套的SZS型锅炉,包括上锅筒、下锅筒、对流管束、炉膛,其特征在于:上锅筒与下锅筒通过对流管束连通,对流管束安装在炉膛中,炉膛前后墙、炉膛侧墙、炉膛顶部全部安装水冷夹套。2.如权利要求1所述的一种炉膛前后墙采用水冷夹套的SZS型锅炉,其特征在于:水冷夹套采用2块间隙在100mm左右的钢板组成,2块主钢板之间采用圆钢拉撑来加固和...
【专利技术属性】
技术研发人员:焦武军,王战钦,裴渐强,崔迎新,焦弈豪,罗自力,
申请(专利权)人:焦武军,
类型:发明
国别省市:河南,41
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