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一、问题提出某省工业设计院给丽水地区设计100米~3冷库,安装完毕后,在试冷时,库温始终不能下降,在蒸发排管表面结霜不均,有些排管根本不结霜(相同情况共有几个冷库)原因何在呢? 二、原因分析 (一) 概况本库由高低温两库房组成,其系统布置由图1所示。每库均采用一只DFDφ9嘭胀阀和四孔φ4分液器供液。采用泡塑和软木保温,外墙与地坪均采用150mm
First, the issue put forward A provincial industrial design institute to Lishui area design 100 m ~ 3 cold storage, installation is completed, in the cold, the library temperature can not always drop, uneven evaporation frost on the surface of the pipe, Frost (a total of several cold storage in the same situation) What is the reason? Second, the reasons for analysis (A) Overview The library consists of two high and low temperature warehouse composition, the system layout shown in Figure 1. Each reservoir uses a DFDφ9 expansion valve and four-hole φ4 dispenser for liquid. Using foam and cork insulation, exterior walls and floors are used 150mm