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논문 기본 정보

자료유형
학술대회자료
저자정보
Po-Cheng Lee (National Chin-Yi University of Technology) Chong-Kai Wang (National Chin-Yi University of Technology) Jian-Syun Lai (Reduce Technology) Yean-Der Kuan (National Chin-Yi University of Technology)
저널정보
대한설비공학회 대한설비공학회 학술발표대회논문집 대한설비공학회 2023년도 하계학술발표대회 논문집
발행연도
2023.6
수록면
380 - 383 (4page)

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초록· 키워드

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This study tested and analyzed the batch-type heat pump drying equipment, and used the Simulink developed by The MathWorks company to simulate the batch-type heat pump drying equipment. The experimental results were compared with the simulation to discuss the feasibility of simulation analysis. The heat pump drying equipment can be studied and developed by simulation in the future, so as to reduce the cost and time of research and development, and to improve the research and development efficiency. This equipment comprises a compressor, a condenser, an auxiliary condenser, an electronic expansion valve, an evaporator and a fan. This equipment aims to dry the sludge at the end of the process. The moisture in the sludge is evaporated by the heat pump drying equipment to reduce the weight of the sludge, so as to economize the cost of sludge collection and transportation. The sensors are installed at the inlet/outlet of each component to collect experimental data for analysis. A computational aid which can capture data automatically and calculate the water removal amount in the experiment is designed by using MATLAB. The data are drawn in the Mollier chart and psychrometric chart to observe the operation of the heat pump drying equipment. The experimental results show that frequently turning on/off the electronic expansion valve in the operation of the batch-type heat pump drying equipment results in difficulties in system balance. Therefore, the control strategy of the electronic expansion valve was adjusted to fix the opening of the electronic expansion valve, and to observe whether the stability of the heat pump drying equipment during operation was improved. Moreover, the system operation can be stabilized by fixing the opening, the power consumption was reduced while the water removal amount was increased. The SMER of the heat pump drying equipment was increased. Finally, the simulation model of Simulink was compared with the experiment, and the error value was about 5.35%. The simulation results are close to the experimental results. Therefore, it is feasible to use simulation for research and development of the equipment in the future.

목차

Abstract
1. Introduction
2. Method
3. Result
4. Conclusion
References

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