西安建筑科技大学学报(自然科学版)

研究建立了太阳能供暖集蓄热系统数学模型,分析了系统设备容量与节能性和经济性的关系; 构建了系统热损失与热负荷比值X、太阳能集热量与热负荷比值Y及其与太阳能保证率F三者之间关联曲线族.提出了节能性与经济成本综合要求下的太阳能供暖集、蓄热系统容量配比简化工程设计方法,并给出了不同太阳能资源条件下典型城市的集蓄热配比设计参数推荐范围.

The paper, the mathematical model of solar heating collection and storage system is established, and the relationship between system equipment capacity and energy saving and economy is analyzed. The correlation curve family are constructed with the system heat loss to heat load ratio X, solar heat collection to heat load ratio Y and solar guarantee rate F. A simplified engineering design method for the capacity ratio of solar heating collection and heat storage under the comprehensive requirements of energy saving and economic cost is proposed, and the recommended range of design parameters of collection and heat storage under different solar energy resources is obtained.

引言
1 太阳能供暖系统模型
2 系统节能性和经济性约束
3 简化设计方法
4 结论

表1 集热系统循环泵P1、P2启闭控制<br/>Tab.1 Circulating pump P1, P2 open and close control

表1 集热系统循环泵P1、P2启闭控制
Tab.1 Circulating pump P1, P2 open and close control

图1 太阳能热水供暖系统原理图<br/>Fig.1 Schematic diagram of solar water heating system

图1 太阳能热水供暖系统原理图
Fig.1 Schematic diagram of solar water heating system

表2 辅助热源的启闭条件<br/>Tab.2 Opening and closing conditions of auxiliary heat source

表2 辅助热源的启闭条件
Tab.2 Opening and closing conditions of auxiliary heat source

图2 太阳能供暖系统动态模型<br/>Fig.2 Dynamic model of solar heating system

图2 太阳能供暖系统动态模型
Fig.2 Dynamic model of solar heating system

图3 太阳能保证率F随无量纲参数X的变化趋势<br/>Fig.3 Variation trend of solar guarantee rate F with dimensionless parameter X

图3 太阳能保证率F随无量纲参数X的变化趋势
Fig.3 Variation trend of solar guarantee rate F with dimensionless parameter X

图4 太阳能保证率F随无量纲参数Y的变化趋势<br/>Fig.4 Variation trend of solar guarantee rate F with dimensionless parameter Y

图4 太阳能保证率F随无量纲参数Y的变化趋势
Fig.4 Variation trend of solar guarantee rate F with dimensionless parameter Y

表3 典型城市参数回归系数<br/>Tab.3 Regional parameter regression coefficient

表3 典型城市参数回归系数
Tab.3 Regional parameter regression coefficient

表4 典型地区回归方程决定系数<br/>Tab.4 Each region regression equation determines the coefficient

表4 典型地区回归方程决定系数
Tab.4 Each region regression equation determines the coefficient

图5 系统集热量偏差对比<br/>Fig.5 Comparison of system heat collection deviation

图5 系统集热量偏差对比
Fig.5 Comparison of system heat collection deviation

图6 系统热损失量偏差对比<br/>Fig.6 Comparison of system heat loss deviation

图6 系统热损失量偏差对比
Fig.6 Comparison of system heat loss deviation

图7 均热成本LCOH随太阳能保证率变化情况<br/>Fig.7 Variation of soaking cost LCOH with solar guarantee rate

图7 均热成本LCOH随太阳能保证率变化情况
Fig.7 Variation of soaking cost LCOH with solar guarantee rate

表5 典型城市太阳能供暖系统设计参数<br/>Tab.5 Recommended range of solar heating system design parameters in major cities

表5 典型城市太阳能供暖系统设计参数
Tab.5 Recommended range of solar heating system design parameters in major cities

图8 均热成本F随集蓄热比值变化情况<br/>Fig.8 Variation of soaking cost F with heat storage ratio

图8 均热成本F随集蓄热比值变化情况
Fig.8 Variation of soaking cost F with heat storage ratio

图9 实际保证率F与均热成本LCOH对比图<br/>Fig.9 Comparison of actual guarantee rate F and soaking cost LCOH

图9 实际保证率F与均热成本LCOH对比图
Fig.9 Comparison of actual guarantee rate F and soaking cost LCOH

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备注

引言

1 太阳能供暖系统模型

2 系统节能性和经济性约束

3 简化设计方法

4 结论

期刊信息