What is a stiffener?

Amir
2 min readOct 24, 2021

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سختی گیر رزینی is one of the most practical tools used in the water purification industry. Of course, this device has other uses as well. In this article, we want to make you more familiar with hardships and explain its uses. Join us.
What is water hardness?

We must first become familiar with the phrase difficult. Drinking water usually contains salts such as calcium and magnesium in higher concentrations than standard. The presence of such salts with this concentration is called water hardness. Of course, the main problem is the presence of these salts in the industry, and a hardening device is responsible for removing these mineral compounds and water-soluble salts in the heating and cooling system of buildings.
Why should we use hardeners?
When water is heating and even cooling, ions and solutes in it are deposited on the inner surfaces of all sources and even heat exchangers in the form of water, causing heat transfer coefficient and thus reducing heat exchange. to happen. In general, the hardness in water is of two types, temporary and permanent, and compounds such as calcium bicarbonate and magnesium cause temporary hardness, and salts such as calcium sulfate and nitrate cause permanent hardness. And prevents such problems.
What is hardener salt?
Hardening salts are commonly used in hard water treatment operations, and these substances cause sodium to be replaced by calcium, providing the conditions for regenerating water treatment. To soften the water, rock salt, solar salt and evaporated salt are used. Salt rock, which is used in pool water treatment system and engine room sedimentation, is extracted as underground salt sediments by traditional methods. This substance is 99% chloride barrier and this insolubility in water reaches half to one and a half percent.
Use of hardeners in industry
These devices are used in boilers and cooling towers. In the water hardness industry, the pipes become clogged and also the pumping systems and boilers have the problem of reducing the flow rate and reducing the heat transfer. Hard water also causes problems with dissolving soaps and detergents, resulting in reduced washing efficiency.

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