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| Application of Absorption Heat Transformer in Paper Machine Drying Section |
| Received:June 04, 2019 |
| DOI：10.11980/j.issn.0254-508X.2019.10.008 |
| Key Words:paper machine drying section adsorption heat transformer waste heat recovery simulation calculation |
| Fund Project:陕西省重点科技创新团队计划项目 2014KCT-15;陕西省科技统筹创新工程计划项目 2016KTCQ01-35陕西省重点科技创新团队计划项目（2014KCT-15）；陕西省科技统筹创新工程计划项目（2016KTCQ01-35）。 |
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| Abstract:In order to solve the problems of high condensate discharge temperature and high specific steam consumption in the final stage of the condensate system of the paper machine drying section, this paper proposed to use the adsorption heat transformer (AHT) as the waste heat recovery equipment of the condensate system. The device could use the heat potential difference between the intermediate grade residual heat and the low-temperature heat source as drives to produce the heat with the higher grade than the intermediate grade waste heat, thereby improving the utilization rate of the waste heat. Based on the analysis of the current situation of the thermal system of the steam condensate system in the dryer section of the paper machine and the working principle of the absorption heat transformer, a multi-stage steam supply system based on the temperature-increasing absorption heat transformer was presented. The results of LabVIEW simulation showed that the steam condensate system of the paper machine drying section using the absorption heat transformer had higher energy saving efficiency. |
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