Acid and alkali resistant conveyor belt
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Acid and alkali resistant conveyor belts are conveying devices specially designed for material transportation in acidic and alkaline environments. Below is a detailed introduction to acid and alkali resistant conveyor belts:
Definition and Characteristics
Acid and alkali resistant conveyor belts, also known as corrosion-resistant conveyor belts, are conveyor belts that can withstand strong acidic and alkaline, highly corrosive chemical materials. They are made using special acid and alkali resistant materials for the cover rubber, possessing excellent chemical corrosion resistance and physical properties. Meanwhile, the belt core material often uses cotton canvas, nylon canvas, or polyester canvas, resulting in good belt elasticity, good troughing performance, and low elongation during use.
Structure and Types
Acid and alkali resistant conveyor belts are usually composed of cover rubber, belt core, and carcass materials. The cover rubber is located on the surface of the conveyor belt and is used to resist corrosion from acidic and alkaline substances. The belt core plays a supporting and force-transmitting role, while the carcass material enhances the overall strength and stability of the conveyor belt.
According to different structures, acid and alkali resistant conveyor belts can be divided into full-core type, flanged type, and corrugated type. The full-core type acid and alkali resistant conveyor belt completely bonds single or multiple layers of carcass materials and rubber cover, exhibiting better corrosion resistance; the flanged type has flanges set on the inner side of the cover material, increasing the strength and stability of the belt; the corrugated type adds corrugated grooves based on the full-core or flanged type, improving lateral stiffness and strength.
Applicable Occasions and Uses
Acid and alkali resistant conveyor belts are widely used in chemical plants, fertilizer plants, pharmaceutical plants, paper mills, and other occasions involving strong chemical corrosion and flammable raw materials. For example, in phosphate fertilizer manufacturing, seawater salt production, and detergent production, acid and alkali resistant conveyor belts can effectively convey materials containing acidic or alkaline substances. In addition, they can also be used to transport chemicals such as nervonic acid, acetic acid, concentrated nitric acid, urea, and sulfuric acid.
Usage and Maintenance
The following points should be noted when using acid and alkali resistant conveyor belts:
1. Avoid direct contact between the conveyor belt and acids, alkalis, oils, organic solvents, and other substances that affect the quality of the rubber.
2. During storage, the warehouse temperature should be maintained between -15℃ and +40℃, and the relative humidity should be maintained between 50% and 80%. Conveyor belts should be stored in rolls, not folded, and should be turned over every season.
3. The operating speed of the conveyor belt should not be too high, usually not exceeding 4.9 meters/second (or 5.0 meters/second, depending on the product specifications). When transporting materials with high abrasion or oversized items, low-speed operation should be used as much as possible to extend the service life of the conveyor belt.
4. Regularly check the wear and tear of the conveyor belt. Repair any local damage promptly to prevent it from expanding.
Purchase Suggestions
When purchasing acid and alkali resistant conveyor belts, the following factors need to be considered:
1. Usage environment: Select the appropriate type and specifications of acid and alkali resistant conveyor belt based on the acidity, alkalinity, and corrosiveness of the material being conveyed.
2. Conveying capacity: Select the appropriate conveyor belt width and strength specifications based on the conveying capacity.
3. Brand and quality: Choose well-known brands and high-quality products to ensure that the quality and performance of the conveyor belt meet the usage requirements.
4. After-sales service: Understand the supplier's after-sales service policies and service quality so that problems can be resolved promptly during use.
In summary, acid and alkali resistant conveyor belts are specially designed conveying devices for material transportation in acidic and alkaline environments, possessing excellent chemical corrosion resistance and physical properties. When purchasing and using them, comprehensive consideration should be given to the actual situation to ensure that the conveyor belt meets the usage requirements and extends its service life.
Acid and alkali resistant conveyor belt
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