Corrosion and corrosion protection of circulating cooling water
2023-08-13 04:09:07
During the use of the cooling water, the water is completely in contact with the air in the cooling tower to replenish the dissolved oxygen in the water, so the dissolved oxygen in the circulating water is always saturated. Dissolved oxygen in water is the main cause of electrochemical corrosion of metals.
During the use of the cooling water, the water is completely in contact with the air in the cooling tower to replenish the dissolved oxygen in the water, so the dissolved oxygen in the circulating water is always saturated. Dissolved oxygen in water is the main cause of electrochemical corrosion of metals. Metals often undergo different forms of corrosion in cooling water. Common corrosion forms include: uniform corrosion, galvanic corrosion, concentration corrosion, crevice corrosion, pitting corrosion, stress corrosion and abrasion.
It is known from the mechanism of metal corrosion that metal corrosion is suppressed or stopped as long as the anode process or the cathode process in which corrosion occurs is arbitrarily suppressed or blocked. At present, enterprises often adopt chemical methods, that is, in a medium immersed in metal, a chemical substance capable of forming a protective film on a metal surface is added, so that a cathode process or an anode process in which metal corrosion is not performed smoothly, thereby suppressing metal corrosion. This chemical is called corrosion inhibitor, and the addition of corrosion inhibitor is the main method for anti-corrosion of cooling water system.
The SP series corrosion inhibitor developed by Xinpei Environmental Protection can form a dense corrosion-inhibiting protective film on the metal surface, and prepare different types of corrosion inhibitors for different materials of the equipment, which can protect various materials of the system equipment. And the product is not easy to hydrolyze and degrade, non-toxic, harmless and no pollution.
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Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
Waterproof grade IP68
During the use of the cooling water, the water is completely in contact with the air in the cooling tower to replenish the dissolved oxygen in the water, so the dissolved oxygen in the circulating water is always saturated. Dissolved oxygen in water is the main cause of electrochemical corrosion of metals. Metals often undergo different forms of corrosion in cooling water. Common corrosion forms include: uniform corrosion, galvanic corrosion, concentration corrosion, crevice corrosion, pitting corrosion, stress corrosion and abrasion.
It is known from the mechanism of metal corrosion that metal corrosion is suppressed or stopped as long as the anode process or the cathode process in which corrosion occurs is arbitrarily suppressed or blocked. At present, enterprises often adopt chemical methods, that is, in a medium immersed in metal, a chemical substance capable of forming a protective film on a metal surface is added, so that a cathode process or an anode process in which metal corrosion is not performed smoothly, thereby suppressing metal corrosion. This chemical is called corrosion inhibitor, and the addition of corrosion inhibitor is the main method for anti-corrosion of cooling water system.
The SP series corrosion inhibitor developed by Xinpei Environmental Protection can form a dense corrosion-inhibiting protective film on the metal surface, and prepare different types of corrosion inhibitors for different materials of the equipment, which can protect various materials of the system equipment. And the product is not easy to hydrolyze and degrade, non-toxic, harmless and no pollution.
Http://news.chinawj.com.cn
Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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