Cleaning method and heat exchange method of air cooler
Source: http://le-signal.com/ Time: 2017-12-11
When the air cooler is used, it will effectively leave enough space at both ends of the heat exchanger according to the form of the cooler to meet the needs of condition cleaning and maintenance. During the installation of the air cooler, its two ends There should be sufficient space available to allow the tube to be withdrawn and replaced.
When the air cooler is mechanically cleaned inside the tube during the cleaning process, both ends of the air cooler can be used to scrub the tube. The fixed head cover end of the floating head heat exchanger should leave enough space to allow the tube bundle to be extracted from the housing. The end of the outer head cover must also have a space of more than one meter for the removal and removal of the outer head cover and the floating head cover.
During the use of the air cooler, its corrosion and scaling are alternated. During the operation, the corrosion of the steel is intensified. It must be cleaned during use to effectively improve the performance of the heat exchanger. Due to the difficulty of cleaning, It increases rapidly with the increase of scale layer thickness or deposition, so the cleaning interval should not be too long. It should be regularly checked, repaired and cleaned according to the characteristics of the production equipment, the nature of the heat exchange medium, the corrosion rate and the operating cycle. .
When the air cooler is in operation, it is mainly used for cooling or condensation. The main way is to exchange heat through the wall of the tube or the air outside the finned tube. Generally, the air is provided by a ventilator. The entire equipment The power consumption is large and the cooling or condensation effect is susceptible to climate change.
The air cooler is mainly composed of a ventilator, a frame and a tube bundle during the production process. Among them, the tube bundle effectively includes a heat transfer tube, a tube box, a side beam and a cross beam. He can be arranged in three basic forms: horizontal, vertical and inclined top. Among them, the horizontal arrangement has a large heat transfer area, uniform air distribution, and good heat transfer effect; when the inclined roof is arranged, the fan is installed in a herringbone central space, which has a small footprint and a compact structure.
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