Steel-plastic lined storage tanks, also known as turtle shell lined tanks (turtle shell lining – steel, mesh, plastic integrated), are the essence of the steel-plastic composite product series. They are manufactured using a special rotational molding process. This involves welding a steel mesh (turtle shell) to the surface of the steel body, then using pure polyethylene (linear low-density polyethylene LLDPE, high-density polyethylene HDPE) as the raw material, and combining the steel plate, steel mesh (turtle shell), and polyethylene into a single unit through rotational molding. The polyethylene is firmly bonded to the steel surface. The product boasts features such as seamless joints, no leakage, non-toxicity, resistance to aging and impact, corrosion resistance, long service life, and compliance with hygiene standards. It addresses the drawbacks of all-plastic rotational molding tanks, such as poor rigidity and strength, low pressure resistance, and temperature sensitivity. The inner lining of the product is flat, smooth, and sturdy. Compared to traditional steel-lined plastic board storage tanks, steel-lined rubber storage tanks, and steel-lined fiberglass storage tanks, it offers superior corrosion resistance, no leakage, non-peeling, wear resistance, certain pressure resistance, high-temperature resistance, and a longer service life. Its price is lower than that of the same-sized traditional storage tanks, making it an ideal container for storing corrosive liquids. Therefore, it is an extremely excellent corrosion-resistant storage tank.
2. Application Scope
a. Medium: Pure water, liquid food, acids, bases, salts, and some organic solvents (resistant to certain concentrations of hydrochloric acid, phosphoric acid, hydrofluoric acid, etc.).
b. Temperature Resistance: -65℃ to 98℃
c. Pressure Resistance: Positive and negative pressure (including vacuum), as determined by the design pressure of the steel body.
3. Unique Advantages
The entire lining is formed in one piece, seamless, sturdy and durable, hygienic and clean, resistant to various acids and alkalis [resistant to any concentration of hydrofluoric acid, hydrochloric acid, phosphoric acid, etc.].
Advantages: Long lifespan, good insulation, and the reaction medium does not come into contact with metal ions.
4. Specifications and Models
Steel-lined plastic storage tanks are available in vertical (flat bottom, conical bottom) and horizontal series. Various types of storage tanks can be customized as needed. Generally, the specifications of steel-lined plastic vertical tanks, steel-plastic composite vertical tanks, and tortoise shell-lined storage tanks range from approximately 1 cubic meter to around 150 cubic meters.
5. Application
Steel-lined plastic storage tanks are widely used in industries such as chemicals, dyes, metallurgy, rare earths, machinery, electricity, electronics, environmental protection, textiles, brewing, food, water supply, and drainage.
Huanghua City Changwei Anticorrosion Equipment Manufacturing Co., Ltd. is a high-tech enterprise integrating research and development, production, and sales of lined steel plastic containers, plastic storage tanks, and lined steel plastic pipelines, among other anticorrosion storage equipment. It boasts years of experience in design, manufacturing, and management, as well as a team of experienced after-sales service technicians.
Huanghua City Changwei Anti-Corrosion Equipment Manufacturing Co., Ltd. is located in Cangzhou, a renowned petrochemical base and an important land-sea transportation hub in the north of China. The company was registered with the Huanghua City Administration for Market Regulation on May 26, 2015, with a registered capital of 1.5 million RMB. Over the past 5 years of growth, we have consistently provided customers with high-quality products, technical support, and comprehensive after-sales service. Our main business is the establishment and construction of anti-corrosion equipment manufacturing projects. We have excellent products and a professional sales and technical team, and rely on strict management and R&D to have developed into a state-of-the-art facility with a 35% workforce of scientific and technical talents. We will continue to innovate and manufacture high-quality lined steel storage tank anti-corrosion equipment products to meet the demands of our customers in the rapidly evolving petrochemical and oil industries.
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