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This type of chemical processing machinery has a wide range of compatibility with different types of mixtures; it does not cause overheating in heat-sensitive materials, nor does it compress or crush granular materials. When mixing materials with significantly different specific gravities and particle sizes, it prevents segregation of the components. Practical features: 1) Suitable for materials with a large difference in specific gravity and relatively large powder particles ； 2) Suitable for the ceramic glaze mixing process, as it is gentle and does not compress or crush the material particles ； 3) It does not cause overheating of heat-sensitive materials ； 4) During the powder-to-powder mixing process, it is very convenient to add liquids required by the operating conditions or to install one or more spray nozzles ； 5) The bottom misalignment valve facilitates discharge; since there is no fixing device at the bottom of the screw, pressure feeding does not occur. Applications: Used for mixing powdered and granular materials in industries such as pharmaceuticals, chemicals, food, and building materials. Example of wear-resistant protection for the inner wall of a cylinder: polyurethane elastomer coating. Engineering project: Spiral conical mixer barrel for Qinhuangdao Kunsen Technology Co., Ltd. Base material: 316 stainless steel, polyurethane elastomer. Application environment of adhesive: PH=7, dry materials; service life at normal temperature: over 3 years. Spraying solution: Solid polyurethane spraying material is used; according to the process design requirements, the spraying thickness is 2 mm, using N701 series products. Engineering value: This protective coating achieves a seamless and strong bond with the substrate; its excellent corrosion and wear resistance helps to reduce damage to equipment caused by chemicals in acidic or alkaline environments, prevents secondary contamination by these substances, and **increases the equipment’s operational efficiency. Before spraying: After spraying: Features of spray-type polyurethane industrial coatings: Corrosion resistance and wear resistance. 1. Excellent physical and chemical properties, such as tensile strength, elongation, flexibility, wear resistance, aging resistance, and corrosion resistance. 2. The formula can be adjusted as needed, ranging from soft rubber (Shore A30) to hard elastomers (Shore D90), allowing it to meet various operational requirements. 3. It has excellent corrosion resistance, capable of withstanding the erosion of acids, alkalis, oils, water, and other substances at pH levels ranging from 3 to 11. 4. Excellent wear resistance: in submerged conditions, its wear resistance is 8 times that of cemented carbide steel, 7 times that of vulcanized rubber, and 3 times that of ultra-high molecular weight polyethylene. 5. It features high resistance to salt spray corrosion and good freeze resistance, allowing for normal operation over a wide temperature range of -57°C to 93°C. Special models can withstand high temperatures up to 170°C. Exceptional adhesion performance: 1. Different primers and adhesives are used depending on the substrate; for all metal and non-metal substrates, there are suitable primers and adhesives available. 2. It has poor adhesion to silicone rubber and molecular weight polyethylene. Easy to construct: 1. Simple construction process, can be carried out at room temperature; insensitive to humidity and temperature, and causes no pollution. 2. Uses a complete set of equipment, enabling convenient construction and high efficiency ； The design thickness requirement can be achieved in a single construction phase. 3. The series of spraying equipment meets the various requirements for the installation of different components. Eco-friendly paint: 1. Two-component formula with 100% solid content; it does not pollute the environment and contains no volatile organic compounds (VOCs). 2. It cures rapidly, without the need for a catalyst; it can be applied to any curved, inclined, or vertical surface without causing sagging. Its setting time is short, with walking strength achieved within just a few dozen minutes. Attractive appearance: Various colors and dyes can be added to create products in different hues; as a result, they remain clean and have an attractive appearance, without fading over time. 2. It has good prototype reproducibility; the coating is continuous and dense, free of seams or pinholes, offering an attractive and practical appearance, as well as excellent UV protection.