寸草塔矿排水系统及设备选型设计.doc
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- 关 键 词:
- 寸草 排水系统 设备 选型 设计
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1、摘要本设计是对寸草塔矿的初步设计所给定基本条件进行的矿井排水系统及排水设备选型设计。通过技术和经济性比较确定了矿井排水系统形式,进行了矿井排水设备选型设计计算,确定选用所选的离心式水泵。然后根据寸草塔矿井下涌水情况、井底车场布置情况,选择水泵、管路及管路附件等设备的类型和具体型号。进行管路布置、计算管路阻力损失、确定管路特性方程、确定水泵工况点。在进行排水设备选型计算的时候,通过分析原始资料,选取了可能适合矿井的不同水泵。通过对不同型号水泵工况点的计算比较,通过对经济流速、排水时间和吸水高度等的校验,排除不合适的水泵,选取一个相对来说符合要求的水泵以及管路。再根据水泵工况点参数,计算所需功率,
2、选择配用电动机,计算经济指标费用。然后对对所选水泵进行介绍。最后设计水泵房、水仓,确定其各项基本参数,绘制水泵房布置图。关键词:水泵;排水系统;管路;工况点。IAbstractThis design is the basic conditions for the preliminary design of the basic conditions for the design of the coal mine drainage system and the drainage equipment selection design. Through the comparison of techno
3、logy and economy, the mine drainage system is determined, and the selection of mine drainage equipment is calculated. Then according to the inch grass tower mine gushing water, bottom yard layout situation, select pumps, piping and pipe accessories equipment types and specific models. The pipeline l
4、ayout, calculation of the pipeline resistance loss, determine the pipeline characteristics, determine the pump point. In the drainage equipment selection calculation, through the analysis of the original data, select the mine may be suitable for different pumps. Through the calculation of different
5、types of pump operating point compared through the economic flow velocity and duration of drainage and imbibition height check, exclude the inappropriate pump, select a relatively conform to the requirements of pumps and piping. According to the pump operating point parameters, calculate the require
6、d power, select the motor, the calculation of the economic index cost. And then introduce the selected pump. Finally, the design of the pump room, water warehouse, determine its basic parameters, drawing the layout of the pump room.Keywords: water pump; drainage system; pipeline; operating pointI目录1
7、绪论11.1 矿井概述11.2设计的目的和意义11.3 排水系统发展状况与所需解决的问题21.3.1排水系统的现状21.3.2排水系统需解决的问题21.4 设计任务32 寸草塔矿的排水设备选型设计42.1 矿井设计原始资料42.2 确定排水系统42.2.1排水系统要求42.2.2确定排水系统52.3 水泵的选型72.3.1 水泵必须排水能力计算72.3.2 估算水泵扬程82.3.4 排水设备初选82.3.5 水泵台数82.4 管路选择112.4.1选择管材112.4.2 确定管径112.4.3 计算管壁厚度122.4.4 吸水管的内径计算132.4.5 估算管子的长度142.5 计算工况点15
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