| 摘要: |
| 本文针对工业废水排放，设计并研发了一套废水浓缩处理装置，以低温蒸发技术为依据，以热泵作为装置的主要驱动能源，空气作为循环介质，对含水率为95%的铜管清洗液进行浓缩处理。对装置的主要原理部件进行了介绍，建立了填料室的传质传热模型，通过Matlab编程确定填料尺寸为300 mm×400 mm×500 mm，搭建了实验台进行实验测试与能效分析。结果表明：装置能够稳定运行，凝结水量达到15 L/h，此时热泵功率为5.46 kW，装置能效比达到4.54，装置内循环空气温度变化为31 ℃到43 ℃，相对湿度达到94.6%，装置持续运行一段时间后达到最大浓缩程度，体积为原溶液的3/4左右，且出水程度较好，减少了工业废水处理的成本。 |
| 关键词: 低温蒸发 热泵 浓缩 性能研究 |
| DOI： |
| 投稿时间：2016-09-20
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| 基金项目:上海市科委建设（13DZ2260900）项目资助。 |
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| Study on Performance of Waste Liquid Concentrating Device Drived by Heat Pump |
|
Wang Xing1, Liu Jianhua2, Zhao Yongjie3, Zhang Liang2
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| (1.School of Energy and Power Engineering, University of Shanghai for Science and Technology;2.School of Energy and Power Engineering, University of Shanghai for Science and Technology，Shanghai Key Laboratory of Multiphase Flow and Heat Transfer of Power Engineering;3.NO.704 Research Institute, CSIC) |
| Abstract: |
| The discharge of industrial wastewater has been a difficult problem for various enterprises. Aiming to solve this problem, we designed and developed a set of concentrated wastewater treatment devices. These devices are based on low-temperature evaporation technology, in which a heat pump is used as the driving energy source, and air is the circulation medium. We carried out a concentration experiment of a copper-tube waste washing liquid with water content of 95% using this device. The main components of the device are presented in this paper, a heat and mass transfer model of the packing chamber was established using Matlab, and the packing size was determined to be 300 mm×400 mm×500 mm with the model, and an experimental bench was set up. An experimental test and energy efficiency analysis were carried out with the experimental bench. The following conclusions were drawn: the device can run stably; the condensation of water reaches up to 15 L/h; when the pump power is 5.46 kW, the energy efficiency ratio of the device reaches up to 4.54; the air circulating in the device is changed from 31 ℃ to 43 ℃, and the relative humidity is 94.6%. After operating for a certain period of time to reach the maximum concentration, the volume reached about 3/4 of the original, and the water was clear, which will greatly reduce the cost of industrial wastewater treatment. |
| Key words: low temperature evaporation heat pump concentrate performance study |
