Technical requirements:

1) Except the grinding board, the surface of stainless steel parts is polished and will not scratch

2) Welding seam on external surface (except bottom welding seam) is grinded and polished, and other welding seams can be polished after acid cleaning

3) Before assembly, the surface of each part is cleaned. The frame is injected with water through the top water sealing slot, and the bottom base bolts are adjusted to calibrate the level

4) Error of horizontality of net bracket shall be less than 0.5/1,000, and the deviation of diagonal line of the head wheel spindle and end wheel spindle shall be less than 1.5mm

5) Transportation belt entering into and going out of the tank have A, B, C, D belts that are determined according to the production task