Our Services

Combination Mobile Crushing Plant

Combination Mobile Crushing Plant

Compared with fixed production lines,Combination Mobile Crusher have a shorter engineering period and rapider transition, which not only reduces the investment risk and opportunity cost of the investors, but also avoids the demolition and construction

C6X Series Jaw Crusher

C6X Series Jaw Crusher

C6X Jaw Crusher on structure and production efficiency present advanced modern technologies. Our Company's C6X Jaw Crusher can solve such problems of the existing jaw crushers as low production efficiency, difficult installation and maintenance. At pr

HGT Hydraulic Gyratory Crusher

HGT Hydraulic Gyratory Crusher

HGT Gyratory Crusher is a new-type intelligent coarse crusher with big capacity and high efficiency. It integrates mechanical, hydraulic, electric, automated, and intelligent controlling technologies which grant it with advantages traditional crushing

European Type Jaw Crusher PEW

European Type Jaw Crusher PEW

Jaw crushers has stationary jaw crusher, portable jaw crusher and mobile jaw crusher (crawler jaw crusher). Jaw crusher (PEW Series) is not only able to be used together with mine-selecting and gravel processing equipments but also be used independen

VSI5X Vertical Shaft Impact Crusher

VSI5X Vertical Shaft Impact Crusher

VSI Crushers Working Principle Raw material falls down into feed hopper, and then enters rotor through central entrance hole. It is accelerated in high-speed rotor, and then is thrown out at speed of 60-75m/s. When hitting anvil, it is crushed. Final

VSI Vertical Shaft Impact Crusher

VSI Vertical Shaft Impact Crusher

VSI Series vertical shaft impact crusher is designed by reputed German expert of SBM and every index is in worlds leading standard. It incorporates three crushing types and it can be operated 720 hours continuously. Nowadays, VSI crusher has replaced

VUS aggregate optimization system

VUS aggregate optimization system

The VU system is a global most-advanced dry-process sand-making system. The system is constructed like a tower. Its fully-enclosed layout features high integration. It integrates the functions of high-efficiency sand making, particle shape optimizatio

MTW-Z European Trapezium Mill

MTW-Z European Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

5X Series Roller Grinding Mill

5X Series Roller Grinding Mill

Grinding roller of MB5X Pendulum Roller Grinding Mill l adopts diluted oil lubrication. It is a technology initiated domestically which is maintenance-free and easy to operate. Diluted oil lubrication is oil bath lubrication, more convenient than grea

MTW Trapezium Mill

MTW Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

LM Vertical Mill

LM Vertical Mill

LM Vertical Grinding Mill integrates crushing, drying, grinding, separating and transport. The structure is simple while the layout is compact. Its occupational area is about 50% of that of the ball-milling system. The LM grinding mill can also be arr

TGM Trapezium Mill

TGM Trapezium Mill

TGM Super Pressure Trapezium Mill The operation principle of main unit of Trapezium mill is that main unit runs with the central shaft that is driven by a gear box. The top of the shaft is connected with a quincunx stand on which a grinding roller is

Smelter explosion kills five as manganese poisoning probe

The restart of the inquiry has coincided with an explosion at the smelter over the weekend that claimed the lives of five workers and seriously injured four others.

More

Explosion closes Amplats plant, Sibanye plans using own

The ACP phase A converter plant, at the Waterval smelter in Rustenburg, was damaged by an unannounced explosion in the converter on February 10.

More

CN100999781A High manganese steel frog surface explosive

D. High Manganese Steel Frog is 350-380HB through explosion hardening processing rear surface hardness, and case depth is more than the 30mm, and explosion hardening is

More

How explosive is manganese ore? Yahoo Answers

May 17, 2006· The USS Cyclops sunk in 1918. There were no survivors and no sign of the wreck has ever been found. A group of people are researching the sinking in order to obtain information on the possible location of the wreck. At the time of its disappearance it was loaded with manganese ore. One of the theories of the sinking was a torpedo hit by a German U-Boat.

More

The Smelting of Manganese Carbonate Ore

only the USA which had the potential to exploit domestic manganese ore resources. Manganese ore has always been a seaborne supply industry. The first commercial source of manganese carbonate ore was that recovered from the tailings of lead-zinc ore processing in Montana, USA; the manganese was not the primary resource. In this operation, the

More

Manganese processing Britannica

Manganese processing, preparation of the ore for use in various products. Manganese (Mn) is a hard, silvery white metal with a melting point of 1,244 °C (2,271 °F). Ordinarily too brittle to be of structural value itself, it is an essential agent in steelmaking, in which it removes impurities such

More

Manganese Wikipedia

Manganese is a chemical element with the symbol Mn and atomic number 25. It is not found as a free element in nature; [not verified in body] it is often found in minerals in combination with iron.Manganese is a transition metal with a multifaceted array of industrial alloy uses, particularly in stainless steels.. First isolated in 1774, manganese is mainly used in the production of steel.

More

South Africa Manganese

May 18, 2015· The Metalloys alloy smelter is one of the largest smelters in the world, producing high and medium carbon ferromanganese alloy. The smelter has the capacity to process up to one million tonnes a year of the HMM’s manganese products. About 3,000 people- both full-time employees as well as contractors- work on our South African manganese projects.

More

Assmang liable for charges over fatal explosion [So

Assmang liable for charges over fatal explosion [So. Africa] Date: 25 Apr 2008 Content Type: Article; Manganese smelter did not insist on masks [So. Africa] Date:

More

Manganese poisoning inquiry postponement riles Labour

Explosion at Assmang smelter caused by water. SABC of 17 March 2008. ' Water which leaked into a furnace at Assmang's ferromanganese smelter at Cato Ridge has been singled out as the main cause of the explosion which killed six people. The Department of Labour is in possession of an expert report into the cause of the blast three weeks ago.

More

Ferromanganese an overview ScienceDirect Topics

Manganese ores contain manganese in various oxide forms ranging from MnO 2, where a large ferromanganese and silicomanganese smelter has been active for more than 50 years; Metal destined to be milled must have a hydrogen content of <0.0005% to minimize the explosion risk.

More

CN100999781A High manganese steel frog surface explosive

The present invention discloses explosive hardening process for treating the surface of high manganese steel frog, and features that is adopted plastic flake explosive comprising RDX as main component, epoxy resin as adhesive, ethylene diamine as curing agent and dibutyl phthalate as plasticizer. The high manganese steel frog is made through advanced metallurgical casting process and solid

More

Six years of waiting TimesLIVE

Two years later, another six of their colleagues died in an explosion at the same factory in Cato Ridge, outside Durban. The blast at the Assmang ferromanganese smelter was caused by a recurring

More

'Manganism victims' losing hope TimesLIVE

Mar 11, 2018· The 60-year-old father of eight from Cato Ridge, outside Durban, who worked as a controller at Assmang's manganese smelter, was diagnosed with manganese poisoning in 2006 by a Pietermaritzburg

More

Manganese Ferroalloys Technology ScienceDirect

Jan 01, 2013· Manganese forms several oxides, of which only monoxide (MnO) is stable at high temperatures. The unstable higher oxides MnO 2, Mn 2 O 3, and Mn 3 O 4 predominate in manganese ores. Higher manganese oxides such as Mn 2 O 7 are very unstable and easily decompose even at room temperatures. MnO 2 and Mn 2 O 3 dissociate in solid state to lower oxides when heated.

More

Hazards 104, October-December 2008

The workers knew already their symptoms were caused by their jobs in a grimy manganese smelter. The 10 had all been certified previously by the Compensation Commissioner as being permanently disabled as a result of manganism, a Parkinson’s disease-like condition caused by exposure to excessive levels of manganese.

More

(PDF) Parameters Affecting the Production of High Carbon

The melting range was very small in high-Fe low-SiO2 (3–16°C) and high-Fe high-SiO2 (6–8°C) manganese ores, while the low-Fe low-SiO2 manganese ore showed wider melting range (72–74°C).

More

Superior, Arizona: An Old Mining Camp with Many Lives

smelter without additional treatment. Direct-smelting ore was hauled by wagon to Florence, where it was treated in a small cupel-type furnace, owned by Cury and Hughes (Short et al, 1943) (Figure 2). In June 1876, a stamp mill and amalgamation plant, designed to treat lower grade, Figure 1. Historical Landmarks of the Superior Area. The heavy

More

‘Motsepe has forgotton his own workers’

Feb 02, 2013· Motsepe has been praised by both the ANC and the official opposition DA, but his gesture has been described as “hollow” by the lawyer representing the workers from Assmang’s Cato Ridge

More

State won't reveal why Paarl Print workers died The Mail

Nov 06, 2014· Among these, the founding affidavit lists the 1997 fire at the Sasol petrochemical plant in Secunda in which 15 employees died; 10 cases of manganese poisoning at the Assmang manganese smelter

More

MANGANESE DIOXIDE (TECHNICAL GRADE)

Chronic manganese poisoning can result from excessive inhalation and ingestion exposure and involves impairment of the central nervous system. Early symptoms include sluggishness, sleepiness, and weakness in the legs. Explosion: Contact with oxidizable substances may cause extremely violent combustion. Lead and other smelter emissions

More

The Decision to get rid of the Manganese Ore Doesn’t Only

Mar 28, 2017· Some of the people with a vested interest in with keeping the delivery of Manganese Ore going in the Port of Port Elizabeth: Desmond Sacco, Patrice Motsepe, Cyril Ramaphosa, Max Sisulu and TNPA.. With reference to the ongoing Manganese Ore Dust Pollution saga at the Port of Port Elizabeth we need to be completely fair and also identify more of the other players in this sorry chain of co

More