The sewage tank cover is a protective facility used to cover the sewage tank, and its main function is to prevent sewage overflow, reduce the odor emitted by sewage, and play a role in safety protection. There are many kinds of materials for the sewage pool cover, such as FRP, stainless steel, carbon steel skeleton + sunlight board, etc. Among them, the FRP cover plate has a specific gravity of 18 or so, its weight is only 1 4 of steel, 2 3 of aluminum. The strength of the FRP cover plate of the sewage tank is ten times that of rigid polyvinyl chloride, and the complete strength greatly exceeds that of aluminum, reaching the level of ordinary steel.
There are several factors to consider when choosing the material of the sump cover, including corrosion resistance, strength, durability, etc. The following materials are common choices:
FRP: FRP is a composite material made of glass fiber and resin, which has the characteristics of corrosion resistance, light weight, toughness and easy processing. It is widely used in the capping of sewage tanks and is suitable for harsh environments. However, the cost of FRP material is high, and professional technicians are required for installation and maintenance.
Concrete: Concrete is a commonly used building material with the advantages of high strength and good durability. In wastewater treatment, concrete's corrosion resistance and stability make it one of the preferred materials for sewage tank covering. However, the weight of concrete cover slabs is large, making installation and maintenance more difficult.
Cast Iron Cover: Cast Iron Cover is a classic material with the advantages of high strength, wear resistance, corrosion resistance, etc., and is suitable for heavy-duty roads, squares and other places. However, the cast iron cover plate is higher and heavier, making it difficult to install and maintain.
Steel cover plate: Steel cover plate is a common cover plate material, which has the advantages of low cost, light weight and easy installation. However, the steel plate cover plate has poor corrosion resistance and is easy to rust, so it needs to be painted regularly for anti-corrosion treatment.
Plastic cover: Plastic cover is a new type of cover material, which has the advantages of low cost, light weight, long service life and corrosion resistance. At the same time, the plastic cover has a certain anti-slip property, which can improve driving safety. However, plastic covers have low strength, are prone to deformation and aging, and need to be replaced regularly.
To sum up, the choice of the material of the sewage pool cover needs to be weighed according to the actual situation, FRP, concrete, cast iron cover, steel cover and plastic cover and other materials have their advantages and disadvantages. When choosing, you need to consider factors such as the use environment, cost, installation and maintenance, as well as the strength, corrosion resistance, durability and other factors of the cover material.