Coaxial Heat Exchanger Cleaning – All You Need to Know

Posted by Thompson Industrial Services on April 27th, 2019

Coaxial Heat Exchanger Cleaning – All You Need to Know

Coaxial heat  exchanger are mainly used as evaporators or as condensers which consists of many inner tubes and  a single outer tubes that may often needed to be cleaned as heat exchanger cleaning services are very efficient for this to regain the working efficiency of heat exchanger as it was before.

Types of Cleaning

There are two types of heat exchanger cleaning.

•  Mechanical cleaning process.
•   Manual Cleaning Process.

Between the two types of cleaning process first one is preferred and most effective.

How often we need to clean heat exchanger

We should clean a heat exchanger once in a year under the super vision of a trusted and experienced heat exchanger cleaning Services Company in your locality.

Material used

Thompson Industrial Servicesis recommended by experts for cleaning heat exchangers. There are a no of other products available. The main chemical in this product is hydrochloric acid as it a good cleaner as well as corrosion inhibitor.

Step by step process for cleaning a heat exchanger:

Following are the steps for effective cleaning-

•  Isolate the chiller by closing valves as close to the unit possible.
•  Estimate the amount of water is present inside the heat exchanger and in the isolated pipe.The cleaning solution that will be used should be as twice as the volume of the heat exchanger.
•  Ensure that the cleaning solution is full inside the heat exchanger.
•   Make the solution aqua’s and turn on the circulation pump.
•  While circulation pump is running add any anti-foam directly into the solution tank

•  Add some cleaning product(CA-100,OX-sol etc) recommended by the representative into the solution tank.
•  
• Measure the PH level of the solution that must be between 2 to 3.

•  Continue the circulating process of the solution and check if the PH level is increasing add some acid into the solution tank.
•   Follow the above step for 30 minutes.It will clean the tank.Make sure that no solution is inside.
•   Drain the tank and  the heat exchanger to a sewer.
•    Add fresh water and circulate  the fresh water until it reaches the PH 6 to 7.

Your Heat exchanger is now completely clean and ready to use.