plastic storage tank——Corrosion-resistant, lightweight and efficient chemical storage equipment

Plastic storage tanks are made of high molecular weight polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC) and other plastic raw materials, storage containers made by one-time rotational molding or injection molding process. Compared with traditional metal storage tanks, the biggest feature of plastic storage tanks is their excellent corrosion resistance.——It can resist the erosion of most acids, alkalis, salt solutions and organic solvents. In industries such as electroplating wastewater treatment, pickling processing, fine chemicals, and hydrometallurgy, plastic storage tanks have become irreplaceable key equipment.

1. Two main types of plastic storage tanks

PEStorage tank (polyethylene storage tank):Made of high molecular weight low density polyethylene (HDPE) Rotational molding.PEThe material has excellent chemical stability and can withstand a variety of acids, alkalis, and salt solutions at room temperature, but is not resistant to concentrated nitric acid, concentrated sulfuric acid, and some aromatic hydrocarbon solvents.PEThe storage tank is extremely light (about the same size as a steel tank)1/5), easy to move and economical in price, it is the most common type of storage tank in water treatment, environmental protection projects and electroplating parks.

PPStorage tank (polypropylene storage tank):Made of polypropylene particles through injection molding or winding process.PPThe temperature resistance is better thanPE, available at-10℃to+100℃Work stably within the range.PPStorage tanks are more tolerant to most organic solvents (such as alcohols, esters, ketones) thanPE. In the fine chemical and pharmaceutical industries,PPStorage tanks are often used to store fine chemicals and API intermediates.

2. Outstanding advantages of plastic storage tanks

High cost performance:The cost of plastic storage tanks is about that of stainless steel tanks1/3to1/2, is an ideal solution for small and medium-sized enterprises with limited budget but in need of corrosion-resistant storage.

Light weight and easy to install:Plastic storage tanks are light in weight and can be installed without large lifting equipment, which reduces construction difficulty and installation costs.

Flexible use:Plastic storage tanks can be flexibly customized in various specifications and shapes according to customer needs, with standard products ranging from a few hundred liters to hundreds of thousands of liters. It can be used as a single tank, or multiple tanks can be combined into a storage tank group.

3. Precautions for use

Temperature limits:PEThe operating temperature of storage tanks generally does not exceed60℃,PPThe storage tank does not exceed100℃. Exceeding the temperature range may cause softening and deformation.

Pressure Limit:Rotational moldingPEThe storage tank is a normal pressure container,Over-pressure use is strictly prohibited; if pressure is required, injection molding or steel-lined plastic composite structure must be used.

No open flames:Plastic material is flammable,Store flammable materials away from fire sources,And equipped with complete fire protection facilities.

Avoid impact with hard objects:Plastic materials have limited impact resistance,More brittle at low temperatures,Avoid impact with hard objects when loading, unloading and cleaning.

When selecting a model, it is recommended to provide the manufacturer with detailed parameters such as medium composition, operating temperature, concentration, and whether it contains solid particles.,In order to choose the most suitable raw material grade and tank structure. Welcome to contact us for professional selection support.

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