Overview
Plastic dosing tanks are specialized containers designed for the storage and controlled dispensing of liquid chemicals in industrial and municipal settings. Unlike metal alternatives, polyethylene and polypropylene tanks offer superior resistance to corrosive substances like acids, alkalis, and disinfectants. These tanks are widely adopted in water treatment plants, agricultural operations, and manufacturing facilities due to their durability and chemical inertness. Modern designs often include features such as graduated level markings, anti-slip surfaces, and optional modular components for enhanced functionality.
Structure and Working Principle
A standard plastic dosing tank consists of a cylindrical or rectangular reservoir with reinforced walls to withstand hydrostatic pressure. High-density polyethylene (HDPE) models typically employ rotational molding for seamless construction, eliminating weak points. The dispensing mechanism varies by application—some tanks use gravity-fed outlets, while others integrate diaphragm pumps or peristaltic pumps for precise metering. Advanced systems may include pH sensors or automated dosing controllers, transforming the basic tank into a complete chemical feed system.
Key Features
Chemical resistance is the hallmark of these tanks, with PE resisting most acids and PP excelling against caustic solutions. UV-stabilized formulations prevent degradation in outdoor installations. Manufacturers often incorporate ribbed exteriors for structural reinforcement and molded lifting lugs for safe transport. Translucent versions allow visual level checks, while opaque tanks protect light-sensitive chemicals. Optional accessories include mixer attachments, vent filters, and secondary containment pallets.
Application Areas
In water treatment plants, these tanks store flocculants like polyaluminum chloride (PAC) or disinfectants such as sodium hypochlorite. Agricultural operations use them for fertilizer and pesticide solutions. The pharmaceutical industry employs specially graded tanks for raw material storage, while food processing facilities utilize FDA-compliant models. Smaller tanks (50–200L) are common in laboratory settings, whereas industrial versions may exceed 10,000L capacity.
Maintenance and Precautions
Regular inspection for cracks or discoloration is critical—especially when handling aggressive chemicals. Never mix incompatible substances (e.g., acids and oxidizers) in the same tank. For cleaning, use manufacturer-approved methods; steam cleaning may deform some plastics. Always verify chemical compatibility charts before use, as certain solvents (e.g., ketones) can degrade polyethylene. Outdoor installations require anchoring to prevent wind displacement.
B2B Procurement Guide
Industrial buyers should prioritize tanks with certifications like NSF/ANSI 61 for potable water applications. Request material safety data sheets (MSDS) for resin grades. Consider total cost of ownership: While PP tanks cost 20–30% more than PE, they offer longer service life with caustics. For large orders, inquire about custom molding options—some manufacturers provide tanks with pre-installed fittings or company logos. Lead times for customized units typically range 4–8 weeks.
Related Manufacturers
- 主营：塑料储罐、水桶罐
- 主营：加药搅拌桶、PE加药桶、储水罐、加药箱、PE加药箱、方形加药箱、方形水箱、卧式水箱、设备水箱
- 主营：机械格栅、回转式格栅除污机、中心传动刮泥机、加药装置、网板格栅、雨水格栅、转鼓式精密过滤器、转鼓格栅、滗水器、带式压滤机、搅拌机、转碟曝气机、叠螺式污泥脱水机、纤维转盘过滤器
- 主营：pph储罐、酸洗罐、pph缠绕罐、塑料加药箱、pph搅拌罐、pph反应釜、pe水箱水塔、pe化工储罐、pe锥底酸洗罐
- 主营：储水罐、PE储罐、搅拌桶、塑料水塔、加药箱、塑料方箱、塑料圆桶、塑料搅拌罐、塑料水箱、锥底储罐、1000L吨桶、减水剂复配设备、卧式运输罐、HDPE储罐、锥底水塔、pe水箱、堆码桶、双环桶
- 主营：塑料桶
- 主营：PE水箱、外加剂复配设备、吨桶、塑料吨桶、耐酸碱集装方桶、5吨塑料桶、10吨塑料桶、20吨塑料桶、30吨塑料桶、40吨塑料桶、pe 储罐、双环桶、泡菜桶
- 主营：吨桶、化工桶、ibc吨桶、PE塑料桶、5吨塑料桶、10吨塑料桶、加药箱、15吨塑料水塔、加厚塑料水塔、塑料桶、减水剂复配桶、搅拌桶、储存罐、双氧水桶、卧式储罐、立式储罐、堆码桶、双环桶、PP罐、外加剂复配设备
- 主营：打水桶、养殖桶、柴油桶、塑料船、加药箱、包装桶、塑料桶、塑料水塔、塑料圆桶、塑料渔船、塑料大桶、塑料方箱、塑料储罐、塑料水箱、塑料周转箱、牛筋塑料箱、储水罐、叉车桶、药剂箱、排污罐、腌制圆桶、叉车托盘、卧式水塔、牛筋钓鱼桶、圆形泡菜桶
- 主营：滗水器、输送机、格栅机、pac加药装置多少钱、刮泥机、吸泥机、气浮设备、过滤设备、提升机配件、固液分离机、砂水分离器、污水处理设备、污泥脱水设备、精密机械格栅、不锈钢分离机、废水处理设备、污水排放除污机
- 主营：集水器、地源热泵、集分水器、地暖分水器、机房供水分水器
- 主营：分集水器、自清洗过滤器、旁通过滤器、冷凝水回收装置、定压补水装置、自动加药装置、旁流水处理器、真空引水罐、隔膜气压水罐、全程水处理器、反冲洗过滤器、真空脱气机、电子水处理器、定压补水真空脱气机组、全自动软水器、全自动过滤器、篮式过滤器、软水器、除污器、水处理器、螺旋除污器、微泡排气除污器、变频恒压供水设备、旋流除砂器
- 主营：旋流除砂器、旋流除污器、分集水器、循环水加药装置、电子除垢仪、反冲洗过滤器、除污器、真空引水罐、角通除污器、自清洗过滤器、全程水处理器、物化全程水处理器、硅磷晶罐、真空脱气机、隔膜气压罐、定压补水机组、消防稳压罐、篮式过滤器、立式除污器、膨胀罐、旁流水处理器、螺旋除污器、全自动软水器、智能阻垢机、供水压力罐、定压补水真空脱气机组
- 主营：一体化污水处理设备、气浮机、布袋除尘器、泉州加药箱、废气处理设备、油烟净化器、水帘喷漆柜
- 主营：卧式储罐、PE圆桶、搅拌罐、塑料水塔、立式塑料桶、加药箱、塑料储罐、塑料桶、5吨塑料桶、10吨塑料桶、15吨塑料桶、20吨塑料桶、30吨塑料桶、40吨塑料桶、50吨塑料桶、立式储罐、减水剂复配设备
- 主营：25升化工桶、30公斤法兰桶、5公斤化工桶、50升塑料桶、30升塑料桶、60升塑料桶、40升塑料桶、出口级塑料桶、120升塑料桶、1吨塑料桶、2吨塑料桶、5吨塑料桶、10吨塑料桶、50吨塑料桶、50公斤法兰桶、IBC吨桶、大口桶、密封桶、60升化工桶、200升蓝化工桶、20吨储罐、30吨大型化工储罐