【摘要】 本文对灰水加热器的制造工艺及工艺流程方案进行了分析研究，介绍了多程换热器的结构特点、工艺技术及制造难点。为制造多程换热器保证密封积累了经验。更多还原

【Abstract】 In this paper, the manufacturing process and process flow scheme of grey water heater are analyzed and studied, and the structure characteristics, process technology and manufacturing difficulties of multi-pass heat exchanger are introduced. It has accumulated experience in making multi-pass heat exchanger to ensure sealing.更多还原