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The electroplating tank manufacturer would like to share some knowledge about the design of pickling tank bodies.

Release time:

2022-02-28 17:10

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　　The electroplating tank manufacturer would like to share some knowledge about the design of pickling tank bodies.

　　Electroplating Tank Manufacturer: Methods for Preventing Acid Mist in Pickling Tank Design

　　During the pickling process, the heated pickling solution generates acid mist. To ensure a safe and environmentally friendly production environment, structural measures for mist prevention and spill control must be incorporated from the initial tank design stage. The following points outline the anti-acid-mist measures designed for the tank body:

　　(1) The pickling process and the two subsequent operations shall be arranged as a pickling branch line, located in an auxiliary room. The auxiliary room shall be designed as a pickling shed. The interior wall panels of the auxiliary room shall be made of 6-mm-thick PP plastic sheets. All steel plates in the walkways within the auxiliary room shall be coated with 3-mm-thick fiberglass reinforced plastic to prevent acid corrosion.

　　(2) At the inlet and outlet of the workpieces in the pickling tank, install shaped doorways and an air curtain system to minimize the escape of acid mist from the pickling tank.

　　(3) Install a ventilation system at the inlet and outlet of the pickling branch line to prevent acidic gases from the pickling booth from leaking into the main-line equipment.

　　(4) Acid-washing exhaust gas is neutralized and purified in an acid mist scrubbing tower before being discharged.

　　(5) Select corrosion-resistant measures for the horizontal tracks and uphill/downhill sections of the pickling tank conveyor to prevent acid mist from corroding the conveyor.

Electroplating tank

　　Electroplating tank manufacturer: Equipment cleaning after use of pickling tanks

　　After metal is pickled in the pickling tank, the equipment requires subsequent treatment. Some acidic substances still remain inside the tank and need to be neutralized before cleaning. If there’s water left in the tank, the painting effect will be poor and unfavorable for painting.

　　After cleaning, the fuel tank needs to be dried thoroughly, then coated with rust-preventive oil, and finally its integrity must be ensured.

　　Oiling is a surface treatment primarily aimed at removing corrosive agents. Pickling removes oxide scale and loose rust, while neutralization adjusts the pH level. After boring, the raw metal material itself is reduced, allowing the anti-rust oil to fully exert its effectiveness. Otherwise, if there’s still another medium between the metal and the oil, oxygen concentration cell corrosion is likely to occur. Of course, acid neutralization poses an even greater corrosive risk.

　　Electroplating Tank Manufacturer: Operating Principle of PP Spray Towers

　　A PP spray tower utilizes the contact between gas and liquid to transfer pollutants from the gas into the liquid, and then separates the clean gas from the contaminated liquid, thereby achieving the purpose of purifying exhaust gases.

　　The exhaust gas is passed through a packed acid mist scrubber for countercurrent gas-liquid absorption. In this process, the liquid is sprayed downward from the top of the tower in a misty form (or as small droplets), while the exhaust gas flows upward from the bottom of the tower, thereby achieving gas-liquid contact. This treatment not only cools the exhaust gas and removes particulates but also eliminates the mist. After being treated in the demisting section, the exhaust gas is then released into the atmosphere.

　　The PP spray tower features a robust welded structure that ensures excellent product sealing. Its structural design is well-optimized, and its manufacturing process is standardized. The equipment boasts a high purification rate, utilizes premium-grade PP materials, and offers exceptional resistance to corrosion, weathering, and flame retardancy, guaranteeing a long service life.

　　That’s all for today’s introduction from our electroplating tank manufacturer. Thank you for watching! If you’re in need of electroplating tanks, spray towers, or exhaust gas treatment equipment, feel free to contact our company.


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