The wear-resistant pipes material delivery wear-resistant pipes is the blood of industrial production,which ensuring the service life of the wear-resistant pipes is premise efficient production safely.The wear of straight wear-resistant pipes is usually much less than that of elbow wear-resistant pipes.Therefore,the wear of the elbow wear-resistant pipes is mainly considered in pneumatic conveying.
For example,wear-resistant pipes conveyed material is an abrasive material such as iron power.If use the ordinary steel elbow conveying for 2 hours,the elbow will be worn;if the bending radius of the elbow is too small,the brake rating will be increased when transporting brittle materials.
According the long-term experience,due to inner wall of the wear-resistant pipes material impact or friction,the main factors that cause wear as follows:
1） The physical properties of the material to be transported. Including particle size and shape, concentration, hardness, moisture content, breakage rate and adhesion.
2 ）The condition of transported wear-resistant pipes,including the material of transported wear-resistant pipes and metal structure composition,hardness,surface treatment,inner diameter,arrangement and shape.
3 ）Delivery conditions.including transported wind speed,material to gas ratio, temperature and flow state, etc.
In actually transporting,the influence of the above factors on wear isn’t exist alone, but appears comprehensively.Therefore,the same material,due to different conveying conditions,wear degree is different.
