The spiral chute with advanced level is a kind of high-efficiency gravity concentrating equipment. It is used for separating the iron, tin, tungsten, tantalum, niobium, gold, coal, rutile, zirconium, materials that the granularity is 0.3 to 0.02 mm and other metal, nonmetal mine that has enough specific gravity difference. It has been widely used in colored and black metal mine and gets the scientific research production award from metallurgy department. uses the newest design drawings and whole set technique to produce and examines strictly. Producing series various specification glass fibres reinforced plastic spiral chutes and used by concentrating plant and scientific research, design, college laboratory.
The main separating parameter of spiral chute depends on cubage and thickness of feeding ore; The cubage of feeding ore is more important than thickness.In the fact, if the cubage of feeding ore is steady, thickness can have a little change in certain scale.
The separating process of spiral chute is steady, and controlled easily;The feed ore cubage LL-900 1.2-1.8m3, LL-1200 2.5-3.5m3.The cubage is based on distribution of width that the ore slurry along spiral chute and controlled is steady, scale is-5%-5%,generally feed ore is isobarically.
The scale of feeding ore thickness is large, the scale is 30%—60% and should be experimented. In coarse separating process line, the feeding ore thickness is 30%—50%; In fine separating process line, the feeding ore thickness is 40—60%.If the separating result is familiar, the high thickness is proper to improve capacity
To make sure spiral chute can work normally, should check the ore slurry strictly.
Change position of product intercept chute valve can change produce rate and grade.The intercept width of various products should be determined by experiment .If the position of valve is steady, cannot change it freely.
After feeding ore, notice that the ore slurry should distribute spiral chute, or else, it should be dealt at once (such as washing).
When working, should often check spiral chute that if it has the stack, if it has, should deal with it at once. Each shift should wash the chute once to keep clean and make sure the ore slurry can float normally.
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