| 微灌毛管进口流量调节器应用的经济性分析 |
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| 引用本文： | 王新坤.微灌毛管进口流量调节器应用的经济性分析[J].排灌机械,2008,26(2):57-60. |
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| 作者姓名： | 王新坤 |
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| 作者单位： | 江苏大学,流体机械工程技术研究中心,江苏,镇江,212013 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 通过对一个滴灌系统安装与不安装毛管流量调节器的4个方案进行的实例设计，综合分析了各方案的工程造价和运行能耗，探讨了流量调节器应用的经济可行性，提出了流量调节器经济性分析与评价的方法,结果表明，微灌工程中，毛管流量调节器的成本对工程造价影响不明显，而允许工作水头下限值对工程能耗影响显著,如果所选毛管流量调节器的允许工作水头下限值大于其经济阈值，则使用流量调节器是不经济的,毛管流量调节器的型号、规格和工作参数的选择与使用，可参照列举的方法进行技术和经济性分析后确定．
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| 关 键 词： | 流量调节器 滴灌系统 微灌 造价 能耗 |
| 文章编号： | 1005-6254(2008)02-0057-04 |
| 修稿时间： | 2007年12月1日 |
Economic analysis on application of discharge regulator in micro-irrigation lateral inlet |
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| WANG Xin-kun.Economic analysis on application of discharge regulator in micro-irrigation lateral inlet[J].Drainage and Irrigation Machinery,2008,26(2):57-60. |
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| Authors: | WANG Xin-kun |
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| Institution: | WANG Xin-kun (Technical and Research Center of Fluid Machinery Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China) |
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| Abstract: | Rational design of lateral discharge regulator in micro-irrigation project will effectively improve irrigation quality, reduce project cost, but at the same time increase energy consumption. By considering the case design for 4 drip irrigation systems with and without lateral discharge regulator, the project cost and energy consumption were analyzed, the economic feasibility of the discharge regulator application was discussed, and the methods were presented to evaluate the economic feasibility. The results showed that the discharge regulator cost was not obvious to the micro-irrigation project cost; the allowable pressure head lower limit value was remarkable to the project energy consumption influence. If the allowable pressure head lower limit value is bigger than its economic threshold value, using the discharge regulator will be uneconomical. The selection and use of discharge regulator＇s type, specs and running parameter for technical and economic analysis are discussed. |
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| Keywords: | discharge regulator drip irrigation system micro-irrigation cost energy consumption |
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