毕业论文范文——洛阳市某小区供热管网及换热站设计
64页1、河南理工大学本科学位论文 摘 要 摘 要 本工程为洛阳市某小区供热管网及换热站设计。小区内所有建筑物均为民用住宅,四周为商业网点。小区占地面积约为8万,建筑面积约为16万。供暖热负荷7172.70KW,总循环水量308.43t/h。小区一次水供回水温130/80,二次水供回水温80/60。管网布置为闭式双管异程式系统,枝状形式。采用补水泵定压方式,系统运行时,采用质调节调节方式,以适应热负荷的变化。整个管道均为无补偿直埋敷设,所有管段采用预制保温管,保温材料为聚氨酯,保护层为聚乙烯,由国家标准设计图集管道及设备保温98R418确定其保温层厚度,通过水力计算确定管径。小区设一个换热站,内设3台型号BR06A板式换热器,2台型号为IS200-150-400C的热水循环泵(一备一用),2台型号为IS50-32-200C的补水泵(一备一用),卧式直通除污器。整个网路由绘制的水压图可知网路压力工况均满足技术要求。关键词: 热负荷;水压图;热力交换站AbstractThis project designed the heat supply pipe network and heatexchangi
2、ng station of HongHe district in LuoYang .All the buildings in this district are for residential use. Area covers approximately 80,000and a building area of about 160,000 . Heating load 7172.70KW, with a total circulation stood 308.43t / h.Once water provides to return to water temperature 130/80, two waters provide to return to water temperature 80/60.Adopt the way of patch water pump fix press.The pipe network is designed as seamless two-pipe system with tree-shaped. When the system is functio
3、ning, it adopt the quality flux regulates, in order to adapt to the changes of heat-load.The whole pipe is directly buried and self-compensated, the entire pipe sections are insulating constructive, (heat preservation material is polymer of ammonia and ester, protect layer is polyethylene). Design standards by the State Atlas piping and equipment insulation 98R418 its insulating layer thickness, through hydraulic calculation to determine diameter. We establish one heat-exchanging station. In thi
4、s station, there are two platform board type exchange heat organ, their model is BR06A, there are three platform cycle pump, IS200-150-400C, (with a prepared one) and there are two platform patch water pump,their model is IS50-32-200C(with a prepared one). Drawing from the entire network of hydraulic pressure on the network map known conditions are met technical requirementsKey words:heat-load;hydraulic plot;Heat-exchange station.IV河南理工大学本科学位论文 目 录 目 录第1章绪论11.1工程概述11.2 方案确定11.2.1热负荷的初步确定11.2.2热源
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