How to handle radiator rust

A user response to heating, his radiator is not as hot as last year, he did not know the story, he called the heating unit, the hot unit over and saw the next, saying that 8 months did not use the radiator, which students Rust, resulting in poor water circulation, so did not last year's heat.
Is this not the case? Is the radiator rusted in half a year?
Radiators are made of metal, like cast iron, steel, copper, and aluminum. Generally, cast iron and copper are difficult to corrode and oxidize. The focus is on steel and aluminum heat sinks. In addition, there are many steels for district heating, and aluminum is generally used. The steel is easily oxidized. After the heater is stopped, some users will release the water from the radiator, or the water is not very full. In this way, steel, water, and oxygen combine to make it easy to rust, so the radiator is not hot at home. , perhaps the heat sink rusty ghost.
In recent years, users frequently use hot water inside the radiator as domestic water, so the heating unit adds some potassium permanganate, nitrates to the heating water, plus dyes and oil, etc. There are odor-free things to ensure normal heating, but also to protect the radiator from corrosion, because the aluminum radiator will be alkaline corrosion, steel alkali resistance, so it will try to use an acidic environment.
The radiator is rusting. What should we do? How to prevent the radiator from rusting?
First of all, to prevent rust, it is necessary to remove its rusting environment, which is commonly known as full water maintenance. Of course, some steel radiators produced by radiator manufacturers will do a good job of anticorrosion of the inner wall to make them steel. Isolated the external environment, so timely maintenance will not rust.
However, if the home radiator has rusted users, you can find a professional radiator cleaning company to give you a clean, next year to stop paying attention to maintenance.

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