kara liu

摘要： In the late fifties , our country has already designed the crusher , in the eighties, the domestic impact crushers are limited to process coal and limestone, and the other kinds of hard materials. until the former construction machinery factory introduced the KHD type hard rock impact crusher in the 阅读全文

摘要： At present, our construction industry develops continuously, the natural sand can not keep path with the development rapid, of course, the artificial sand is paid more and more attention. On the one hand ,it protect the environment, on the other hand, it can save the energy resources. in financial c 阅读全文

摘要： As we all know, the flotation machine is suitable for non-ferrous ferrous metal sorting, which can also be used for non-metal selection , such as: coal fluorite, talc sorting. The flotation machine is driven by a motor triangular substituting transmission impeller rotates, centrifugal effect negativ 阅读全文

摘要： Screening machinery is one of the necessary auxiliary equipments in sand making production line, which plays a very important role in the whole production line, based on the structure and working principle , the screening equipments can be divided into the following categories:(1) Fixed Screen:Worki 阅读全文

摘要： Fine crushing equipment (fine-crushing equipment) can not only be used in artificial sand production line, but can also be used to ore processing line.the application of fine crushing equipment in the mineral processing production line having the following advantages: downgrade beneficiation line pr 阅读全文

摘要： Due to the impact crusher (sand making machine) long-term works in harsh conditions,it exacerbate the rotor bearing wear. Without rotor ,the crusher can not work, the rotor is irreplaceable for the crusher. But it is also fragile, the bearing switch is not only expensive, but also difficult, which o 阅读全文

摘要： Chinese Sandstone Association clearly pointed out that: the excellent artificial sand quality should be --- reconcile sand / artificial sand / powder / mud / natural sand / the weathered sand / tailings reconcile sand. At present, due to the considerable demand for artificial sand, some enterprises 阅读全文

摘要： Duo to the great importance Chinese government attaches the coal industry, Chinese coal washing career has experienced a rapid development, which both bring development to the feeding equipment industry space, but also the pressure of market competition. For adapting to this new trend and meeting th 阅读全文

摘要： The hammer crusher mainly use the high-speed rotary hammerhead to impact ores, make them break along the natural fissures, vulnerable part of layer inside and joints surface to break. The hammerhead material and the quality of hammerhead have direct impact to the hammer crusher crushing effect, prod 阅读全文

摘要： Sand can be applied to the production after the purchase and installation, energy consumption is low, which can meet your needs in the planned date, but do not get too excited while completing the task, because there are top five taboos in the sand making operation , we must first learn them to avoi 阅读全文