Coated sand and sand roasting engineering part
Shakeout of castings:
The cast parts and sand boxes are transported by forklift to the annular hanging cabinet at the vibrating crusher on the roasting line. After a certain period of cooling, the casting is placed into a storage box using a forklift. The sand box disc is connected to a crane block via an iron chain. The two ends of the sand box plate are also linked with the iron chain, making it easy to lift and turn the sand box horizontally manually. This process significantly reduces labor intensity and minimizes dust dispersion.
Old sand roasting:
This invention introduces a spiral feeder designed for precise and quantitative feeding of sand into the king roasting furnace, ensuring consistent performance and high-quality output during the sand roasting process.
2.2 Film-Coated Sand - Covered Work Part
Film Coating Process:
The invention presents an automated process and equipment for sand-coated sand, involving three sand bins positioned below the ports of the original sand No.1 hopper and the No.3 iron sand hopper. Three pneumatic switches are integrated for efficient operation.
Cooling Section:
After the sand mixing machine discharges the coated sand, it first undergoes crushing through a vibration sieve before entering the first cooling passage. It is then boiled and cooled in a vibrating state, followed by a second cooling stage where water-cooling rollers extend the cooling time. Finally, the cooled sand is lifted by a hoisting machine and transferred to the storage sand bin, ensuring optimal quality and readiness for further processing.
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