Overview
Rubber and plastic lined equipment tanks are specialized industrial vessels designed to handle corrosive or abrasive substances. The lining acts as a protective barrier between the stored material and the tank's metal structure, preventing chemical reactions that could degrade the tank. These tanks are essential in industries where traditional metal tanks would quickly corrode, such as chemical processing, mining, and wastewater treatment. The linings are typically made from elastomers like natural rubber, EPDM, or synthetic materials such as PTFE and polyethylene. The choice of lining material depends on the specific chemical resistance requirements and operating conditions. Lined tanks can be custom-designed to meet various capacity, pressure, and temperature specifications, making them versatile solutions for challenging industrial applications.
Structure and Working Principle
The basic structure consists of a robust metal shell (usually steel or stainless steel) with a bonded lining of rubber or plastic. The lining is applied through processes like vulcanization for rubber or thermal bonding for thermoplastics, ensuring a seamless protective layer. The thickness of the lining varies based on application needs, typically ranging from 3mm to 12mm. These tanks work by creating a chemical-resistant barrier that prevents the stored substances from contacting the metal surface. The lining materials are selected for their inertness to specific chemicals, with different formulations offering resistance to acids, alkalis, solvents, or abrasive slurries. Some advanced linings incorporate multiple layers for enhanced protection against permeation and chemical attack.
Key Features
The primary feature of these tanks is their exceptional corrosion resistance, which can extend equipment life by 5–10 times compared to unlined tanks. The linings also provide excellent abrasion resistance, making them suitable for handling slurries or particulate-laden fluids. Most lined tanks maintain their protective properties across a wide temperature range, from -40°C to 150°C depending on the lining material. Another important feature is the customization potential—linings can be engineered with specific hardness, chemical resistance profiles, and surface finishes. Many lined tanks include additional features like agitation systems, heating/cooling jackets, or specialized fittings that are also lined for complete protection. The smooth interior surface of most linings also helps prevent material buildup and simplifies cleaning.
Application Areas
These tanks are indispensable in the chemical industry for storing and processing acids, alkalis, and other aggressive chemicals. In mining and mineral processing, they handle corrosive leach solutions and abrasive slurries. The water treatment sector uses them for storing chlorine, ferric chloride, and other treatment chemicals. The pharmaceutical and food industries utilize specially approved lining materials for processing sensitive products. Other applications include pulp and paper production, metal finishing, and power generation. The versatility of lined tanks allows them to serve in both storage and process vessel roles across these diverse industries, often becoming critical components in production systems handling hazardous materials.
Maintenance and Precautions
Regular inspection is crucial for maintaining lined tanks. The lining should be checked for signs of wear, blistering, or chemical attack during routine maintenance. Ultrasonic testing can detect thinning areas before they become problematic. Cleaning should use methods compatible with the lining material—avoid abrasive techniques that could damage the protective layer. Operators must ensure that the tank isn't used beyond its designed parameters, as exceeding temperature limits or chemical concentrations can compromise the lining. When repairs are needed, only qualified technicians using approved materials should perform them to maintain the lining's integrity. Proper grounding is essential for tanks handling flammable materials to prevent static discharge through non-conductive linings.
B2B Procurement Guide
When procuring lined tanks, clearly define your chemical exposure conditions including concentrations, temperatures, and any abrasive components. Provide suppliers with complete chemical compatibility requirements—many offer detailed resistance charts for their lining materials. Consider future process changes that might require different chemical resistance. Evaluate the supplier's experience with similar applications and request references. For large projects, consider visiting the manufacturer to inspect their lining application processes. Lead times can be significant (6–12 weeks for custom tanks), so plan accordingly. Request detailed documentation including material certifications, lining thickness reports, and quality control records. For budget planning, consider total cost of ownership—higher quality linings often prove more economical over the tank's lifespan despite higher initial costs.
Related Manufacturers
- 主营：地面防腐、管道清洁、防腐水池、衬塑衬胶、管道清洗、聚脲喷涂、地板防腐、机械金属、金属刷漆、打磨刷漆、喷淋冲洗、环保油漆、疏通清洗、换管清洗、除垢清洗、防腐施工、锅炉清洗、化工清洗、供暖管道、清洗施工、高压清洗、热力管网、厂房刷漆、空调保温、空预器冲洗
- 主营：缓冲垫、清扫器、轴承座、保温聚氨酯衬胶管道、防滑板、尼龙轮、密封条、旋流器、上托辊、聚氨酯、过浆管、输送机、黄色pu棒、橡胶软管、叶轮盖板、泥沙分离、橡胶缓冲、调心托辊、森钐橡塑、橡胶地辊、水泵叶轮、橡塑耐磨、直径套筒、配件尼龙、脱水筛网、过渡托辊
- 主营：涂塑钢管、保温钢管、螺旋钢管、3PE防腐钢管、涂塑复合钢管、消防涂塑钢管
- 主营：通风机、塑料风机、加压风机、衬塑风机、隧道风机、防腐风机、矿用风机、离心风机、轴流风机、离心引风机、离心鼓风机、钛合金风机、玻璃钢风机、衬四氟风机、不锈钢风机、离心通风-机、排风管道风机、通风排烟风机、离心式引风机、高温窑引风机、隧道射流风机、煤气加压鼓风机、高压离心钛风机
- 主营：碳化硅修补剂、金属修补剂、钢质修补剂、衬胶修补剂yk1937、铁质修补剂、铝质修补剂、铜质修补剂、轴承位修补剂、轴磨损修补剂、高温胶水、高温修补剂、皮带胶、快速橡胶修补剂、金属导电胶水、电泳导电修补剂、搪瓷修补剂、搪瓷反应釜修补剂、高温搪瓷釜修补剂、高温密封胶、铸钢修补剂、耐磨陶瓷颗粒胶、导轨修补剂、模具修补剂、高温环氧树脂胶水、PP胶水、PU胶水
- 主营：保温钢管、涂塑钢管、防腐钢管、衬塑钢管、螺旋钢管、热浸塑穿线管、钢套钢蒸汽保温管
- 主营：防腐钢管、涂塑钢管、螺旋钢管、保温钢管、管道管件、法兰、3PE钢管、三油两布防腐钢管、环氧煤沥青防腐钢管、市政管道、市政供暖
- 主营：双层罐、加油站地埋储油罐、SF双层罐、钢衬塑盐酸罐、柴油汽油罐、化工容器、化工储罐、硫酸罐、水泥罐、水泥仓、不锈钢储罐、食用油储罐
- 主营：搅拌器、侧入式搅拌器、立式搅拌器、衬胶搅拌器、脱硫搅拌器、焊接机架、铸造机架、机械密封、填料密封、不锈钢搅拌器、化工搅拌器、溶解罐搅拌器、反应釜搅拌器、搅拌器厂家、顶入式搅拌器、沥青搅拌器、油罐搅拌器
- 主营：热熔胶粉、低熔点粘合剂、EVA热熔胶粉、EVA粉、EVA热熔粉、EVA粘合粉末、EVA撒粉、细目数EVA撒粉、低温热熔EVA胶粉、高通透EVA粉料、PA热熔胶粉、无纺粘合衬、高粘EVA撒粉剂、热转印烫画粉、高纯度TPU胶粉、服装复合热熔胶粉、高粘EVA热熔粉、透明热熔粘合粉料、低温热熔粘接粉料、纺织衬布热熔胶粉、无纺布复合胶粉、耐磨 PA 热熔粉料、工业低温热熔粉料、家纺复合EVA胶粉、TPU热熔胶粉
- 主营：涂塑复合钢管、聚氨酯保温管、钢套钢蒸汽保温管、衬塑管道、热浸塑管、给排水涂塑复合钢管、石油套管、防腐钢管
- 主营：立式搅拌器、脱硫搅拌器、脱硫脱硝搅拌、衬胶、机架、搅拌器、侧入式搅拌器、衬四氟搅拌器、pp罐、机械密封、电机、减速机、反应釜、不锈钢罐、浆式搅拌、螺带搅拌、淬火搅拌器、搪瓷搅拌器
- 主营：脱硫塔、搅拌机、搅拌器、衬塑搅拌、衬胶搅拌、搅拌桨、立式搅拌、防腐搅拌、搅拌叶片、搅拌装置、搅拌设备、喷涂四氟、合金搅拌、脱硫搅拌浆
- 主营：大口径胶管、高低压胶管、金属软管、尼龙压力树脂管、伸缩胶管、聚氨酯制品、硅胶管、橡胶软连接、复合软管、陶瓷胶管、密封件、橡胶制品、尼龙制品、四氟管
- 主营：橡胶衬里、丁基橡胶衬里、氯丁橡胶衬里、衬胶、衬胶修补剂、管道衬胶、防腐衬胶、衬胶防腐、碳钢衬胶、钢衬胶、罐体衬胶、衬胶修补、耐磨衬胶、硫化衬胶、热衬胶、浓密机衬胶、衬胶材料、盐酸罐衬胶、过滤器衬胶、设备衬胶、管道衬塑、衬塑、硬质橡胶衬里、橡胶防腐、钢衬pe