| 摘要 |
<p>The system includes independent prefabricated, modular elements having the form of a duplex pipe forming a jacket. The inner tube closely envelops the small or medium diameter pipes or has the form of a pipe (13) fitted with a plate (14) in touch with the outer surface (18) of large diameter pipes or equipments, or having the form of hollow spaces (27) around the equipment (26). The fluid heating or cooling the process fluid flows in single or multiple sequences through the jacket as well as through the pipe (13) and the hollow spaces (27). The duplex pipes, the pipes (13,14) or hollow spaces present an external insulating layer (16,25) topped by a finishing skin (15,28).</p> |
