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1981年东方红炼油厂赴日进修小组在日本出光兴产公司爱知炼油厂发现,日本炼油厂的罐区有两个显著特点:一是储罐容积普遍较大,一般为1～2万米~3;二是盘管加热蒸汽的压力普遍较低,为2.2～2.5公斤/厘米~2.据现场观察,加热盘管不打水锤的主要措施是使加热盘管向蒸汽出口方向自然倾斜,同时,采用一种新型疏水器——泵抽式疏水器(Pumping Trap),利用未通过盘管的新鲜蒸汽的压力能,将通过盘管的凝结水送走,参见图1.
In 1981, Dongfanghong Refinery went to Japan to study in Japan Idemitsu Kosan Aichi refinery found that Japan’s refinery tank farm has two notable features: First, the tank volume is generally larger, usually 1 to 2 million meters ~ 3; second coil heating steam pressure is generally low, for 2.2 ~ 2.5 kg / cm ~ 2. According to the site observation, the heating coil is not the main measure of water hammer is to make the heating coil to the natural steam outlet direction At the same time, a new type of trap, a pumping trap, was used to remove the condensate passing through the coil using the pressure energy of fresh steam that did not pass through the coil. See Figure 1.