Lead-zinc ore is a mineral rich in the metallic elements lead and zinc. Lead and zinc are widely used. After crushing, grinding and mineral processing, they can be widely used in chemical industry, metallurgy, building materials, water conservancy, power generation and other industrial fields. In addition, lead metal in the nuclear industry, oil industry and other sectors also have more uses.
Processing technology
The processing and production technology of lead-zinc ore mainly includes three processes: crushing, grinding and beneficiation. In the crushing process, three-stage closed circuit crushing is a modern crushing method suitable for high hardness lead-zinc ore, which can complete the work of crushing and partial dissociation of ore, thus improving the subsequent grinding efficiency; In the process of grinding, two-stage one-closed grinding can make lead-zinc grinding more fully. In beneficiation process, the most successful new process in recent years is the mixed flotation process.
First, crushing and screening equipment
First of all, the crushing processing, lead and zinc ore crushing used more equipment is PE series jaw crusher, because jaw crusher not only has a large crushing strength, flexible and convenient adaptability, simple and easy operation, safe and stable operation, low energy consumption special performance advantages; After the coarse crushed lead and zinc ore is sifted by vibrating screen, it is sent to the single cylinder hydraulic cone crusher for crushing by belt conveyor; The crushed lead and zinc ore material is sent to the multi-cylinder hydraulic cone crusher for fine crushing.
Two, grinding classification and screening equipment
The crushed lead-zinc ore needs to be processed by grinding. GMQG series energy-saving ball mill can be used here. Then the grinding lead-zinc ore is divided into different specifications by spiral classifier, so that the particle size of galena can be effectively controlled.
Three, beneficiation equipment
Will meet the requirements of mineral processing powder into the magnetic separator for high intensity magnetic separation to remove debris, the obtained mineral powder into the dryer drying can obtain concentrate.
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