Water-based industrial paint production line

Release Date:

2025-11-11 14:26

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I. Overview of the Water-Based Industrial Paint Production Line

Waterborne industrial coatings are a new generation of environmentally friendly anti-corrosion paints that use water as the diluent. They are widely employed in sectors such as automotive, electromechanical engineering, large household appliances, and industrial equipment. Owing to their outstanding energy-saving and eco-friendly properties, they have gained favor across industries worldwide as a substitute for solvent-based paints, thereby occupying a pivotal position in the development of the coatings industry.

Guangzhou Maiko Machinery can provide customers with either small, single‑machine equipment ranging from a few hundred kilograms in capacity or complete production lines capable of processing tens of thousands of tons of waterborne industrial coatings annually. These turnkey waterborne coating production systems incorporate cutting‑edge domestic and international technologies, including automated raw material feeding, metering, batching, grinding, paint blending, cleaning, and automated control, as well as fully automated filling processes. This not only significantly reduces operator workload but also eliminates quality issues caused by human error, thereby enhancing product quality and production efficiency. The company’s clients produce a wide range of coatings, including nitrocellulose paints, polyurethane paints, magnetic paints, clear varnishes, anti‑corrosion paints, topcoats, epoxy paints, and more.

II. Process Flow

1. Ingredient delivery: Liquid ingredients are metered using pumps and flow meters; powdered ingredients are handled via weighing systems and pneumatic conveying; auxiliary additives are dosed by gravimetric weighing.
2. Dispersion: The first step in the pulping process, where a high-speed dispersing mixer rapidly and uniformly disperses the powder into the liquid, producing a white slurry with no agglomerates and uniform mixing.
3. Grinding: A secondary process in pulp production, in which a German‑technology ultrafine grinder reduces the white pulp to the required fineness.
4. Paint Mixing: The process of uniformly blending the prepared slurry with emulsion, color paste, and additives using a single‑axis or multi‑functional paint mixing vessel.
5. Filtration: Impurities in the finished coating are removed using a bag filter or a self-cleaning filter.
6. Filling: The filtered finished product is filled into containers, typically in 20–50 kg sizes; either a semi-automatic or a fully automatic filling machine may be used.

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