ceramic foundry sand used for casting

According to the type and characteristics of raw materials, Its granulating process can be divided into the following kinds:

1. Plastic method technology: Suitable for clay and clayey material. Its process: Clay - plasticizing, smoothing of roller and granulating - roasting - cooling - finished products.

2. Mud into the ball process: Suitable for fly ash or other powder raw materials. Its process: Fly ash - mixed smoothing - into balls set granulating - roasting - cooling - finished products.

3. Powder grinding ball process: Suitable for shale, clay shale and gangue materials. Its process: Shale, drying, grinding, prewetting - into a ball dish granulating - roasting - cooling - finished product, the additive agent.

4. Broken (dry) process: Suitable for shale, etc. Its process: Raw materials and broken graded - roasting shale and finished product. And cooling. 5. Fuel: According to local fuel supply, using bituminous coal, crude oil or natural gas.

5. Construction ceramsite

4.Main Machines used in the production line:

The main equipments in production of ceramsite includs crusher, screening machine, belt conveyor, feeding machine, discharge machine, raw material storage warehouse, dustfall room, induced draft fan, main kiln body, coal injection system and control cabinet, etc.

The speed of the feeder under the raw material stroge warehouse, kiln body and the quantity of coal arching are all of stepless speed regulating.