Screening technology proved cost effective deal

Ty-Wire is compatible with any vibrating screen and requires no deck conversion before installation - it is available in modular panels for a flat deck and can be hooked for a cambered deck.
Meanwhile,  as an matched machine with cone crusher, Hongxing has also developed new screening technology in the form of its WR Modular Screening Media, which has a wide surface area and screen cloths which can come in either a newly developed thin, fibre-reinforced rubber screen membrane for dry screening, or polyurethane for wet screening. Flash furnace smelting combines the operations of roasting and smelting to produce a highgrade copper matte from concentrates and flux. In flash smelting, dried ore concentrates and finely ground fluxes are injected together with oxygen and preheated air (or a mixture of both), into a furnace maintained at approximately 1000°C (1830°F). As with the Noranda process reactor, and in contrast to reverberatory and electric furnaces, flash furnaces use the heat generated from partial oxidation of their sulfide charge to provide much or all of the required heat.

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Flexibility is a must to survive in live market

Many of the latest crushing or screening machines have also been developed to offer very high productivity while lowering fuel consumption at the same time.
As for copper melting process, the reverberatory furnace smelting operation is a continuous process, with frequent charging and periodic tapping of matte, as well as skimming slag. Heat is supplied by natural gas, with conversion to oil during gas restrictions. Furnace temperature may exceed 1500°C (2730°F), with the heat being transmitted by radiation from the burner flame, furnace walls, and roof into the charge of roasted and unroasted materials mixed with flux. Stable copper sulfide (Cu2S) and stable FeS form the matte with excess sulfur leaving as sulfur dioxide.

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Modernized ball mill technic features revolution

Ball mill is important equipment used for fine ore grinding operation in building materials, metallurgy, mining, electricity, and chemical industry. As the international development and domestic project experts' active research, traditional ball mill has developed into professional, reasonable, high fine ore degree, high production and energy saving. Modern ball mill integrates these advanced technologies into one. There are some features of modern ball mill as well as revolutions for old ball mill.
At first, it is energy saving and production improvement revolution. Many cement plants have to improve product fineness, so they added new technology in it. In order to improve production, they increase filled amount in grinding body, so as to occupy ball mill motor margin capacity. If working current exceeds the rated current, lines of the original electrical burning will occur frequently. If in serious case, motor also burned and outages cut off.  However, now users make some change and use rolling bearings, many problems have been resolved. At the same time, ball mill has effects of power saving and energy saving.

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Provide user chance to advance sustainable goals

Both models also feature K-ATOMiCS - Komatsu Advanced Transmission with Optimum Modulation Control System - which offers a six speed, fully automatic transmission. Komatsu said it automatically selected the ideal gear based on vehicle speed, engine rpm and the shift position chosen. A large automatic retarder system allows the operator to select the optimum operating speed on downhill travel under full load.
Both roaster types have self-generating energy by the exothermic oxidation of hydrogen sulfide, shown in the reaction below.

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Add some newest things to ore processing machine

To stand out from the crowd, mining machinery manufacturers have added new technology to their latest ADTs in addition to the newest low emissions engines. Volvo, for instance, won gold at the ball mill 2012 innovation awards for the on-board weighing system it designed as an option for its new F-Series ADTs. 
Pine oils, cresylic acid, and long-chain alcohols are used for the flotation of copper ores. The flotation concentrates are then dewatered by clarification and filtration, resulting in 10 to 15 percent water, 25 percent sulfur, 25 percent iron, and varying quantities of arsenic, antimony, bismuth, cadmium, lead, selenium, magnesium, aluminum, cobalt, tin, nickel, tellurium, silver, gold, and palladium. A typical pyrometallurgical copper smelting process, as illustrated in Figure 12.3-1, includes 4 steps: roasting, smelting, concentrating, and fire refining.

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Flotation separator hits target market directly

Flotation separation of feldspars from quartz was first accomplished in 1936 and has been used commercially for many years. For example, the feldspar plant at Kona, North Carolina produced from alaskite ore a pottery spar with a maximum amount of 5 percent q:uartz . However, despite its proven successf,l otation still is not used for routine mineral separationsi n the mineralogy laboratory, and has received scant, if anv, attention in most mineralogy texts dealing with mineral separation.
Copper is produced in the U. S. primarily by pyrometallurgical smelting methods. Pyrometallurgical techniques use heat to separate copper from copper sulfide ore concentrates. Process steps include mining, concentration, roasting, smelting, converting, and finally fire and electrolytic refining.

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Flotator model of less sensitive to fuel quality

The intrusion of anionic collector in between adjacent surface alkyl ammonium ions decreases electrostatic head-head repulsion, thereby increasing the diamine adsorption by increasing the hydrophobic tail-tail bonds. The discrepancy in the flotation and adsorption results at pH 2 is attributed to the coarse and fine size particles employed in these studies, respectively. The comparable adsorption on fine particles of albite and quartz at pH 2 is explained by the interaction of ammonium ions on silanol groups by hydrogen bonding besides electrostatic interactions.
In contrast, the three model Mega range, with bucket capacities ranging from 2.5 to 4.5m³, are powered by Doosan Tier 1 (the DL250A) and Tier 2 diesel engines (the larger DL300A and DL420A models), which are less sensitive to fuel quality than Tier 3 engines, whilst still offering reduced fuel consumption and emissions.

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Global demands manufacturer dual equipment lines

This two-tiered global demand is putting pressure on equipment manufacturers to develop dual equipment lines, with one set of models designed for use in mature markets, and another for developing countries.
For instance, the ball mill manufacturer has introduced two new ranges of wheeled loaders this year - there is the Mega range, which targets the Middle East and African markets, and then the Dash-3 range, which have Tier 4 Interim/ Stage IIIB-compliant engines and are targeted at North America and Europe. Feldspar has been separated from silica by cationic collector using hydrofluoric acid as an activator of feldspar. Recently, one of the authors developed a new flotation process separating feldspar from quartz without using hydrofluoric acid. Presently, some silica sand mills are operating to introduce this process in Japan.

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Strict mill emissions regulation is a challenge

Control the speed of the ball mill when we use it.we should be fully ready , ball mill is more expensive equipment, high, running fast, but the operation we can adjust the value, but the speed of adjustment in this mill is very professional, if we the speed problem modulation is not good, then it will affect our mill production, the consequences are very serious. Caterpillar has also introduced new wheeled loaders which all meet the Interim Tier 4/Stage IIIB emissions requirements - the five-model K-series. The 950K, 962K, 966K, 972K and 980K cover the 157 kW to 275 kW power bands and bucket capacities from 3.3 m3 to 5.3 m3.
The 966K CVT wheeled loader was showcased at Intermat - the 'CVT' stands for Constant Velocity Transmission, which the company says provides better fuel economy and performance compared to a traditional torque converter.

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New eco quarry machine reduces fuel consumption

Mining Machinery Manufacturers have responded by launching new generations of quarry machinery fitted with emissions-compliant and often more fuel efficient engines. JCB's new Interim Tier 4/Stage IIIB-compliant 457 wheeled loader, for instance, has a new eco mode that is said to produce fuel savings of up to 6%.
It is very important to ensure the concentricity of all parts when the workers install ball mill. During the operational prcess of ball mill, the factors that are relatively fixed and that do not need frequent adjustment include the hardness of ores and rocks, the crushing granularity, screening hole of the vibrating screen, ball mill model, quality of steel ball, additive amount of ball, size and proportion of steel ball, rotary speed of the grader, gap of the grader impellors, lifting height of the main shaft of the classifier, friction of classifier blade, height of classifier downflow weir, height of bottom open mouth of classifier, size of bottom open mouth of classifier, height of upper open mouth of classifier, size of upper open mouth of classifier. The 3.5 m3 bucket capacity machine also boasts a +16% increase in power and +18% more torque. Other technology on-board includes automatic differential locking and an intelligent clutch cut-off system that allows maximum hydraulic power at low travel speeds.

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