摘要：【中文】本发明涉及一种水平管外冷凝换热试验装置及试验方法，属于热交换技术领域。该装置的低温储罐分两路进入位于中间介质汽化器腔体且具有不同管外粗糙度的第一管和第二管；中间介质汽化器的腔体下部装有供热介质流通的下管束；第一管和第二管分别装有相应的入口压力变送器、入口温度变送器以及出口压力变送器、出口温度变送器探头；中间介质汽化器腔体装有腔体温度变送器和腔体压力变送器探头；下管束的进口和出口分别装有进端温度变送器和出端温度变送器探头；各流量计以及变送器的探头信号输出端分别通过PLC与电脑主机通讯连接。采用本发明能实现在同一时间内对多组不同粗糙度换热管的对比试验，精确计算出不同粗糙度的管外传热系数的具体数值。 【EN】The invention relates to a horizontal pipe external condensation heat exchange test device and a test method, and belongs to the technical field of heat exchange. The low-temperature storage tank of the device enters a first pipe and a second pipe which are positioned in a cavity of an intermediate medium vaporizer and have different pipe external roughness in two ways; the lower part of the cavity of the intermediate medium vaporizer is provided with a lower tube bundle for circulating a heat supply medium; the first pipe and the second pipe are respectively provided with corresponding inlet pressure transmitter, inlet temperature transmitter, outlet pressure transmitter and outlet temperature transmitter probes; the cavity of the intermediate medium vaporizer is provided with a cavity temperature transmitter and a cavity pressure transmitter probe; the inlet and the outlet of the lower tube bundle are respectively provided with an inlet temperature transmitter and an outlet temperature transmitter probe; the probe signal output ends of each flowmeter and each transmitter are respectively in communication connection with a computer host through a PLC. The invention can realize the comparison test of a plurality of groups of heat exchange tubes with different roughness in the same time, and accurately calculate the specific numerical value of the heat transfer coefficient outside the tubes with different roughness.

摘要：【中文】本发明公开了一种带过热装置的中间介质换热器，包括壳体，顶部开设出口；管板，两所述管板分别设置在所述壳体的两端；第一换热管束，分布在所述壳体的内底部，并固定在两所述管板之间；上挡板，分布在所述壳体的内顶部，并与所述壳体以及管板的内壁密封连接，所述上挡板上开设有第一开口；下挡板，位于所述上挡板的下方，并与所述壳体以及管板的内壁密封连接，所述下挡板上开设第二开口，所述下挡板和所述上挡板之间构成蒸汽流道；折流板，多个所述折流板至少设置在所述上挡板的第一开口和下挡板的第二开口之间的蒸汽流道内，第二换热管束，穿过多个所述折流板并固定在两所述管板之间。 【EN】The invention discloses an intermediate medium heat exchanger with a superheating device, which comprises a shell, wherein an outlet is formed in the top of the shell; the two tube plates are respectively arranged at two ends of the shell; the first heat exchange tube bundle is distributed at the inner bottom of the shell and is fixed between the two tube plates; the upper baffle plate is distributed at the inner top of the shell and is in sealing connection with the shell and the inner wall of the tube plate, and a first opening is formed in the upper baffle plate; the lower baffle is positioned below the upper baffle and is in sealed connection with the shell and the inner wall of the tube plate, a second opening is formed in the lower baffle, and a steam flow channel is formed between the lower baffle and the upper baffle; the plurality of baffle plates are at least arranged in the steam flow channel between the first opening of the upper baffle plate and the second opening of the lower baffle plate, and the second heat exchange tube bundle penetrates through the plurality of baffle plates and is fixed between the two tube plates.