摘要
该文针对传统干燥系统存在高能耗、长时间、低品质等问题,提出了蓄热型PV/T太阳能热泵联合干燥系统。通过温度、流量、功率等传感器和数据采集仪,实时记录不同环境温湿度、太阳辐射条件下系统各关键点参数值,获得影响集热效率、热泵COP、干燥系统单位耗能量等指标的关键参数,并在系统控制策略及运行参数两方面进行优化。此实验平台还可以通过模块拓展,开展一系列设计性、综合性和创新性实验和科学研究工作,服务课程教学及专业建设。实验平台能充分调动学生的积极性,激发学生潜能,提高学生学习兴趣,培养学生创新能力和科研能力。
Aiming at the problems of high energy consumption,long time and low quality of traditional drying systems,this paper proposes a thermal storage photovoltaic thermal integration(PV/T)solar heat pump combined drying system.Through temperature,flow,power and other sensors and data acquisition instruments,real-time recording of parameter values of key points of the system under different environmental temperature and humidity and solar radiation conditions,to obtain key parameters affecting the heat collection efficiency,heat pump COP,and unit energy consumption of the drying system.At the same time,it optimizes the system control strategy and operating parameters.This experimental platform can also be expanded through modules to carry out a series of design,comprehensive and innovative experiments and scientific research work,service course teaching and professional construction.The experimental platform can fully mobilize the enthusiasm of students,stimulate their potential,increase their interest in learning,and cultivate their innovative and scientific research capabilities.
作者
张东
李秉阳
邬江昊
李亚宁
南军虎
李金平
ZHANG Dong;LI Bingyang;WU Jianghao;LI Yaning;NAN Junhu;LI Jinping(School of Energy and Power Engineering,Lanzhou University of Technology,Lanzhou 730050,China;Key Laboratory of Complementary Energy System of Biomass and Solar Energy,Lanzhou 730050,China)
出处
《实验科学与技术》
2020年第2期135-139,共5页
Experiment Science and Technology
基金
国家自然科学基金(51806093)
甘肃省自然科学基金(18JR3RA141)
兰州理工大学高等教育研究项目(B55)。
关键词
光伏光热一体化
热泵
干燥
学习兴趣
实验教学
创新能力
photovoltaic thermal integration
heat pump
drying
learning interest
experimental teaching
innovation ability
