Dust removal framework: hot-dip galvanizing process, suitable for high humidity environments
Sep 10,2025
In dust removal equipment, the dust removal skeleton is the "skeleton" that supports the filter bag, but high humidity environments often cause traditional skeletons to "collapse" - rust and corrosion not only puncture the filter bag, causing dust leakage, but also require frequent replacement, increasing labor and accessory costs. The dust removal skeleton using hot-dip galvanizing technology, with its super strong rust prevention ability, has become a "durable choice" for high humidity environments, especially suitable for the dust removal needs of overseas multi climate working conditions.
1、 Hot dip galvanizing process: why can it resist high humidity? Look at the two core advantages
The hot-dip galvanizing process is not simply "brushing zinc", but immersing the skeleton in a molten zinc solution at around 450 ℃ to form an alloy layer between the zinc layer and the steel surface. This "deep bonding" anti rust design is more resistant to high humidity than traditional cold galvanizing and painting processes, and its core advantages are reflected in two points:
1. The zinc layer is thick and firm, and does not rust when immersed in water
The thickness of the zinc layer on the hot-dip galvanized skeleton can reach 80-120 μ m, which is 5-8 times that of cold galvanizing (10-20 μ m), and the zinc layer is tightly bonded to the steel without delamination or detachment due to humid environments.
2. Strong corrosion resistance, suitable for high humidity scenarios
High humidity environments are often accompanied by slight corrosion. The hot-dip galvanized layer can form a "passivation film" to isolate water, oxygen, and steel from contact. Even in salt and high humidity coastal factories, it can be used stably for 3-5 years. In contrast, the cold-dip galvanized skeleton will rust extensively in a salt containing environment within one year and requires frequent replacement, with a labor cost of $500-1000 per replacement.
2、 Cost effectiveness advantage: One investment, long-term worry free
For overseas customers, although the initial cost of hot-dip galvanizing dust removal skeleton is 20% -30% higher than that of cold galvanizing, the comprehensive service life and maintenance cost are more cost-effective in the long run:
1. Three times longer lifespan: The average lifespan of hot-dip galvanized skeleton is 5-8 years, while traditional skeleton only takes 1-2 years, reducing 3-4 replacements;
2. Save labor costs: No need for frequent downtime to replace the skeleton, reducing 2-3 maintenance times per year, saving 1-2 days of production time per maintenance;
3. Save money by protecting filter bags: No rust tips can puncture the filter bags, extending their lifespan by 30%, reducing the need to replace one batch of filter bags per year, and saving $2000-5000.
Summary: Choosing the right skeleton in a high humidity environment means choosing the right "durability"
In high humidity working conditions overseas, the "rust prevention ability" of the dust removal skeleton directly determines the stability and cost of the dust removal equipment. The hot-dip galvanizing process, with its thick zinc layer and strong corrosion resistance, perfectly solves the pain points of high humidity rust and can also adapt to the compliance needs of different regions, allowing customers to "install once, worry free for many years". For foreign trade enterprises, recommending hot-dip galvanized dust removal skeleton is to provide customers with a dual guarantee of "cost reduction+durability", becoming the core competitiveness of high humidity environment dust removal solutions.
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