Knowledge

I. Material Adhesion and Coking When highly viscous materials come into contact with the high-temperature heating discs, their surface rapidly dehydrates and carbonizes, forming a

I. Core Challenges: Drying Difficulties of Sticky Materials Sticky materials (such as resin pastes, sludge, mycelia, and traditional Chinese medicine extracts) are prone to the fol

I. Chemical Industry Typical Materials: Polyvinyl chloride (PVC) resin, polytetrafluoroethylene (PTFE), melamine, cyanuric acid, antioxidant 168, dye intermediates (such as anthraq

1. Using Ordinary Materials as Corrosion-Resistant Materials Food, pharmaceutical, or chlorine-containing equipment that should use 316L stainless steel is actually using ordinary

1. Strictly Verify Material Certification Documents Require manufacturers to provide Mill Test Certificates (MTCs) for each batch of key components (such as tube bundles and cylind

1. Incomplete or Forged Material Certification Documents Some manufacturers fail to provide complete Material Certificates (MTCs) or third-party testing reports, especially for cri

1. Define Operating Requirements and Select Suitable Materials Ordinary Material Drying: Tube bundles should use high-quality boiler steel tubes (GB3087) with good heat transfer an

1. Verify Material Certification Documents Tube Material: High-quality boiler steel tubes (e.g., GB3087 standard) with good high-temperature resistance, pressure resistance, and he

1. Examine the Material and Structure of Core Components Tube Bundle Material: High-quality equipment uses premium boiler steel tubes (e.g., GB3087), possessing excellent pressure

1. Preparation and Surface Treatment Before Repair Shutdown and Evacuation: Close the feed valve and thoroughly empty the hydrocyclone to remove residual starch slurry and prevent

1. The main body must be made of 304 or 316 stainless steel. The parts in contact with the material (cylindrical section, conical section, inlet and outlet) should be made of 304 o

1. Verify Material Certification Documents Request the supplier to provide a stainless steel material report (e.g., SGS testing) to confirm that the main body is made of 304 or 316