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Wengfu phosphate beneficiation process design


Sec dehydration. The process is characterized by a simple process, production processes less. Save fuel and avoid drying generate dust, smoke pollution of the environment. Since large-scale equipment, reducing the operator. Increased labor productivity. (5) the use of grid positions concentrates, ground-type ore bin. Wengfu phosphate system the World Bank loan project, the design is subject to review by the World Bank. World Bank, according to Western markets, demand concentrates stored for 3 months (storage of about 450,000 t). Wengfu China's national conditions and according to local conditions, many times and the World Bank in consultation, and ultimately determine the concentrate storage capacity of 75,000 t. Ore bin span 41m,tory burch outlet, length 154m. Roof using network structure, network bandwidth, two hanging below 1000mm, 75m long tape machine fabric of the shuttle. With 5 sets of front-end loader equipment train. A train of 22 chemical mining techniques Chih 1996 loading 2400t, loading time of 2h. Mine warehouse novel structure,MBTシューズ 販売店, low construction costs, ore bin span too, two follow-style cloth tape machine range, do not have to pour the second reactor. Cake moisture content of 10%, cutting time. Cake is not a block, can not afford to gray. Accumulation in the mine warehouse in performance, coefficient of 62% mineral filled positions, front-end loader loading a flexible, fast loading. A concentrate storage section. Concentrate storage section shown below in Figure 6 there is a problem urn phosphate ore dressing plant civil construction, equipment installation, stand-alone test, 72 hours linkage test, the main major changes to the design process did not occur,Beats By Dre Headphones, nor a major accident. The entire testing process, only five months. Indicators of capacity and processing equipment to meet the design requirements, the process smooth, the ability of the equipment balance. Crushing and grinding equipment are still some surplus capacity. Therefore, the design of the main process is successful. Testing process is the main part is to assist the process and equipment problems. (1) sulfuric acid preparation systems, the original design is concentrated sulfuric acid pump tank from 105m3, Yang Diego to the mouth of two 1.2m mixing tank, add water, preparation of 20% acid concentration, and then pumped to the flotation plant The acid storage tank. As with the acid released during heat, acid temperatures as high as 70 ℃ ~ 100 ℃, PVC pipes meet, many off the flange connection, leak acid, pipe deformation, the mining side and discuss the concentrated sulfuric acid and water mixed in the plumbing , dubbed dilute sulfuric acid, into the delivery point of the flotation operation, after transformation with favorable results. (2) milk of lime preparation system, originally designed to be transported to the lime tank discharge into the earth, water to digest. As with the grab shipment lime powder, produce large amounts of dust, harsh operating environment. The mine, the hospital, after consultation, decided to soak into the lime paste lime powder and lime to the mine under the warehouse to screw conveyor belt machine, this would reduce dust generation, improve the operating environment. (3) flotation devices can be problems there l: I roughing six Unicom slot, six tank foam layer thickness is a big gap, and can not be adjusted independently of each groove surface, resulting in some cisterns pulp, and some slots bubble blowing finish. Therefore, this KYF-16 flotation machine, slot every United 3-4 more appropriate. Production found in a suction tank XCF 16 flotation machine, motor power is too small, inflatable volume control restrictions, too many times running current through the trip. (4) pressure filtration system, five CF-150 orbital filter machine, equipment, complex and technically demanding. Equipment manufacturers to provide the feed pump is not complete, the feed pressure is too high,herve leger sale, resulting in cloth and damage certain components. Therefore, in addition to the feed system reform, we must also as soon as possible and easy to wear parts made of cloth. , (5) tape machine is connected TD-72 manual order, found the use of tape machines plate mine stopped too broad, and the answers easy to drain mines, with good spring-cleaning device. Heavy discharge car drawings is wrong. Manufactured according to drawings, it can not run. Tape transport and unloading of ore crusher hopper, there are many missed mine phenomenon. These are in the process of testing each of negligent decisions by the site. 7 Conclusion (1) Wengfu phosphate processing plant in China is currently the largest mines, with a modern technical level of processing plant. It will be put into operation in southwest China's rich phosphate rational use of resources and made great contributions to the development of the phosphate fertilizer industry. (2) a decentralized plant program, rational use of site topography and the external conditions of transport, saving a lot of infrastructure investment. (3) using anti-flotation process, simplify processes, reduce investment,air jordan high heels, reduce operating costs, and better address environmental l can be problems. Access to quality phosphate ore. (4) selection of new large equipment, to save area and the civil works to reduce the employment of improved labor efficiency and economic benefits. (5) Chemical structure of large-scale mining for the first time the ground ore using grid positions, with storage of large investment, the advantages of easy loading. (6), add lime and sulfuric acid improved the way for future processing plant to add such agents provide useful experience.
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