Sinter machine means any device in which a lead sulfide ore concentrate charge is heated in the presence of air to eliminate sulfur contained in the charge and to agglomerate the charge into a hard porous mass called sinter. Sinter machine area means any area of a primary lead processor where a sinter machine, or sinter crushing and sizing ...
3) high-lead content sludge by-products from other facilities; and 4) undersized sinter recycled from the roast exiting the sinter machine. The undersized sinter return stream mixes with the other feed components, or green feed, as the two streams enter a rotary pelletizing drum. A water spray into the drum enhances the
Dec 03, 2017· Primary lead production begins with sintering. Concentrated lead ore is fed into a sintering machine with iron, silica, limestone fluxes, coke, soda ash, pyrite, zinc, caustics or pollution ...
lead sintering machine - ititalcher . Concentrated lead ore is fed into a sintering machine with, Lead paste desulfurization is a process used by new lead processing plants to reduce the sulfur .
Apr 02, 2011· A.E. Morris, M. Wadsley, in Encyclopedia of Materials: Science and Technology, 2001. 4.1 Smelting of Lead. The conventional process for smelting lead involves roasting a mixture of lead sulfide concentrate and flux on a sinter machine, followed by blast furnace smelting.Environmental and energy considerations have prompted studies of a more direct route, a so-called "direct" smelting process.
The first stage is to remove the sulphur from the lead ore by roasting the ore in air. The lead mineral is converted to lead oxide, and sulphur dioxide gas is released: 2PbS + 3O 2 => 2PbO + 2SO 2 This is performed in a Dwight Lloyd Sintering Machine which allows continuous processing of ore. A mixture of finely divided ore concentrates and
Plants for the production of lead are generally referred to as lead smelters.Primary lead production begins with sintering.Concentrated lead ore is fed into a sintering machine with iron, silica, limestone fluxes, coke, soda ash, pyrite, zinc, caustics or pollution control particulates.
12.6 Primary Lead Smelting 12.6.1 General15 Lead is found naturally as a sulfide ore containing small amounts of copper, iron, zinc, precious metals, and other trace elements. The lead in this ore, typically after being concentrated at or near the mine (see Section 12.18), is processed into metallurgical lead at 4 facilities in the U. S.
Lead and zinc ore is nearly always mined below the surface of the ground. Some veins of ore lie ... Sintering occurs on a traveling grate furnace known as a "sinter machine." The lead concentrates are mixed with fluxes, recycled sinter, and flue dusts and other recycled materials. After
In the 1918 edition we find that the Dwight and Lloyd roasting and sintering machine had taken first place, and that the multiple-hearth roasters were giving a preliminary roast. With renewed activity in custom silver-lead smelting, one can only surmise the direction of improvement.
In U. S. lead smelting practice, the only operation that is a major source of sulfur oxide emission is the roasting of the lead sulfide ore concentrates, which is combined with sinter-ing. The combined sintering and roasting operation is car-ried out on sintering machines of the Dwight-Lloyd down-
Sinter plant - Wikipedia
lead sintering plant updraft sintering machine. sintering machine for lead ore iron ore sintering iron ore sintering XSM excellent mining crushing machinery products or production line design the company is committed to building the Chinese brand mine crushing and processing machinery mainly crusher mill sand making our products iron ore ...
Returned sinter along with lead mixture are fed into a pelletizer drum, before it is sent to the machine, in which returned sinter acts as a core in the pellet structure and lead ore …
The sintering process includes preparation of the charge, including proportioning or batching the individual components, mixing, moistening, and pelletizing; sintering a prepared charge on sintering machines; and processing the hot sintered cake by fragmentation, screening to remove lumps up to 5–10 mm, cooling up to 100°C and sorting.
The weight of the materials in the hopper is continuously measured by a couple of load cells and the machine driving speed is controlled to keep this weight constant. Oxide Use in Sintering. The original function of the sintering process of the I.S.P. is both to eliminate sulfur and to make hard sinter from zinc and lead sulfide concentrates.
For smelting matte, blast furnace has wide adaptability, high hearth efficiency, and high thermal efficiency. So in history, it is one of the most important copper smelting methods. Traditional blast furnace top is open, only can handle lump ore or agglomerate, flue gas contains low concentration of SO2, it is not easy to effectively recycle and has environmental pollution.
The exit gas stream from the sinter machine is cleaned and routed to an acid plant to produce concentrated sulfuric acid. The sintered material is then introduced into a blast furnace along with coke and fluxes. (SAIC, 1991b, p. 2) Inside the blast furnace, the lead is reduced (smelted), and the molten material separates into four layers:
Concentrated lead ore is fed into a sintering machine with iron, silica, limestone fluxes, coke, soda ash, pyrite, zinc, caustics or pollution control particulates. Smelting uses suitable reducing substances that will combine with those oxidizing elements to free the metal. Reduction is the final, high-temperature step in …
fluxes, Iron ore fines, SCFA, sinter, sinter plant. basic sinter, sintering machine, Understanding Sinter and Sinter Plant Operations Sintering is a process of agglomeration of fine mineral particles into a porous and lumpy mass by incipient fusion caused by heat produced by …
May 10, 2016· The presentation describes sinter plant, its major equipments, its operation, sintering process and the technological developments.
This is done by Roasting in a Dwight Lloyd Sintering Machine in which a layer of a mixture of concentrate, flux and some returned sinter fines is moistened and spread on the continuous grate of the sinter machine and ignited. Lead Concentrate is mostly used for manufacturing of Lead Metal and Lead …
(b) Sintering machine means any furnace in which a lead sulfide ore concentrate charge is heated in the presence of air to eliminate sulfur contained in the charge and to agglomerate the charge into a hard porous mass called sinter. (c) Sinter bed means the lead sulfide ore concentrate charge within a sintering machine.
Copper metallurgy equipment. ... Read more. Sintering machine ... Lead sinter reduction smelting 50-60 up to 90 . Lead pellet reduction smelting 25-40 up to 50 . Copper raw concentrate ISF smelting 45-55 up to 60 . Copper-nickel sulfide ore and sinter cake 45-100 ...
Lead sintering plant cage paktorcage crusher Products. Lead Sintering Plant Cage Paktorcage Crusher Sinter plant Wikipedia Sinter plants agglomerate iron ore fines dust with other fine materials at high temperature About 70 of the worlds primary lead production is still produced using the sinter plantblast furnace combination and this Then this product is being passed through a jaw
It can be applied regardless of the type of the existing sinter machine and or the current pallet width. Existing equipment can be fully utilized to increase the production volume of sintered ore with little retrofitting. Sinter bed heights up to 730 mm can be realized. Benefits to our customers of CSP Pallet Cars and CSP Sinter Cars
small scale sinter crusher - infographicsdesigner.nl. small scale sinter crusher perkinspreschool.com. Nov 23, 2017· iron ore mining equipments tfg. lead ore reserve in pakistan Newest Crusher, Grinding crusher gold ore jaw crusher mini ore jaw crusher hematite iron ore crusher hematite Iron Ore Pellets, Iron Ore Fines and Sinter Fines for the use in the steel used jaw rolelr crusher price ...
Lead smelting companies were once prevalent throughout the United States and other countries in the world, and lead is still required in a number of day-to-day tasks. The Process of Smelting. Producing lead first begins with sintering. This is when lead ore gets put inside a sintering machine along with a number of other substances, which can ...
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