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冷水机组蒸发器铜管泄漏原因分析及处理

2016-06-13 16:52:50   来源:http://sxt.qblzl.com       
导读:冷水机组蒸发器铜管泄漏的原因,一般是由于蒸发器铜管本身可能存在质量等情况。以下文章详细介绍了其他导致铜管破裂的原因,及检修方法。
        现在天气炎热,进入空调季后。大家应该在使用中央空调前,应该找售后或专业的维修公司前来为空调维保一下,以保障空调机组的正常运行。但是,在日常的维保工作中,偶尔会遇到一些故障,比如冷水机组蒸发器铜管泄漏,这是什么原因引起的,该如何处理呢?下面小编来给大家介绍一下,供大家参考。

冷水机组蒸发器铜管泄漏的原因有哪些?

1、冷水机组蒸发器铜管本身可能存在质量。
2、冷冻机组蒸发器铜管内过冷造成冷冻水结冰导致铜管破裂。
3、在冷水机组运行时因冷冻水流量变化,蒸发器内部压力、温度变化导致铜管管路换热不均,引起不利点轻微受损,在运行一段时间后存在不利点铜管破裂,进而引起冷冻水进入系统产生过冷严重结冰胀破铜管。随着部分铜管破裂导致系统内压力释放到冷冻水系统中造成冷冻水管路内充满空气,冷冻水管压力增加,补水箱无法补水,冷冻水量严重不足再造成损伤铜管直至破裂。而冰点保护、压力保护等不存在或者不动作导致恶性循环直至大面积铜管泄露。 
4、维保不专业,不到位。

冷水机组蒸发器铜管泄漏的故障处理步骤:

1、首先对蒸发器铜管进行查漏工作,确定发生泄露的铜管数量。

2、其次不断的用氮气进行冲放工作,达到一定程度后,一边取用太阳灯对冷凝器、蒸发器及压缩机作烘干处理,一边利用机械设备对系统同时进行抽真空。直至系统内已经较为干燥,才能进行下一步的工作。

3、然后进行更换铜管工作,将新铜管更换到机组并胀紧,将开孔部位复原。 吊装、拆解压缩机并清洗内部轴承,机壳。完毕后重装压缩机,并吊装复位。

4、再然后,重新更换机组冷冻油、油过滤芯、冷媒干燥过滤器,胀管工作完成及压缩机复位后,进行查漏工作,加氮气查漏,保压。查漏、保压工作正常后,对系统进行抽真空、保真空度。一切正常后重新对系统充注足量的冷媒。

5、后,开机调试,正常后投入使用。

        冷水机组蒸发器铜管泄漏,会给我们带来巨大的损失,所以我们要在日常的正常维保中消除隐患。小编在这里提醒一下广大冷水机组使用用户,日常维保工作极为重要,但需要专业的维修人员前来维修,经验不足的维保人员会给机组的使用带来巨大隐患。
 
 

相关热词搜索:冷水机组蒸发器铜管泄漏原

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