July 25, 2023

Why cone crusher should be selected for hard rock crushing

Hard rock, as the name suggests, refers to rocks with a harder texture, such as granite, basalt, etc. For the crushing of this type of hard rock, jaw crusher, impact crusher, and cone crusher can often be used. However, from the comparison and analysis of crushing efficiency, finished particle shape, and wear rate, cone crusher is more suitable for the crushing operation of hard rock. The specific introduction of knowledge related to hard rock fragmentation is as follows:

July 25, 2023

What measures can effectively reduce the dust generated by jaw crushers?

During the operation of a jaw crusher, dust is inevitably generated at the inlet, outlet, and crushing chamber, especially when crushing materials such as limestone, which not only pollutes the environment but also damages the health of workers. Nowadays, environmental control is relatively strict, and how to reduce dust pollution of jaw crushers and achieve more environmental protection is a problem that many people are very concerned about.

July 25, 2023

What are the precautions for maintaining the crusher in winter

Because the winter temperature is relatively low, it not only greatly reduces the service life of the crusher, but also makes it easier for the oil and water in the crusher to freeze. Therefore, it is best to thoroughly inspect and maintain the crusher before winter to ensure the safety of construction machinery during the winter, so as to avoid problems with the machine that may affect production. The following will provide a detailed introduction to the precautions for maintain

July 25, 2023

What are the serious consequences of unstable voltage on the impact crusher

The impact crusher, abbreviated as impact crusher, is a crushing machine that uses impact energy to crush materials. This equipment adopts new manufacturing technology, structural design, and processed products in cubic shape, without tension and cracks. It has good particle shape and can crush various coarse, medium, and fine materials (granite, limestone, concrete, etc.). It is widely used in various industries such as ore crushing, railways, highways, energy, cement, chemical

July 25, 2023

How to determine if the components of a jaw crusher need to be replaced

The jaw crusher is an early type of crushing equipment, which is still widely used in many departments such as mining, smelting, building materials, highways, railways, water conservancy, and chemical industry, due to its simple structure, robustness, reliable operation, easy maintenance and repair, and relatively low production and construction costs. It is favored and loved by many users. However, jaw crushers are often used for coarse crushing work, often in contact with crush

July 25, 2023

Repair and maintenance methods of cone crusher

The cone crusher mainly includes three systems: mechanical, hydraulic, and lubrication. Its structure is relatively complex, and the manufacturing accuracy of mechanical components is relatively high. It requires good maintenance and upkeep to operate normally for a long time. Below is a detailed introduction to the working principle and maintenance methods of the cone crusher.

July 25, 2023

Indian gold miners soaring to a 15-year high

The stock price of Deccan Gold Mines Ltd. in India has risen to its highest level since 2008, after the company encountered difficulties in mining locally and subsequently began large-scale global acquisitions. The Deccan stock market rose by over 40% in July, far exceeding the 3.5% increase of the benchmark Standard&Poor's BSE Sensex index. Earlier this month, the only listed gold miner in India acquired shares in Avelum Partners LLC in Kyrgyzstan and Kalevala gold Oy in Fin

July 25, 2023

Chile hopes to improve local copper smelting capacity

On July 20th, foreign media reported that Chile is the world's largest copper mining country and is promoting a strategy to expand its local copper processing capacity to reduce dependence on Asian smelters and make shipping cleaner. The Ministry of Mines said on Thursday that it has submitted a plan to Congress to upgrade existing smelters and refineries, and

July 25, 2023

Bolivia has raised its lithium resource estimate to 23 million tons

On July 20, foreign media reported that the President of President of Bolivia said on Thursday that Bolivia's lithium resources are currently estimated at 23 million tons, and previous government studies have further consolidated the South American country's position as a global leader in lithium resources. The new data is based on the exploration of over 66 w

July 25, 2023

New changes in export tax rates for copper concentrate in Indonesia

According to MiningWeekly's Reuters report, Indonesia has introduced new regulations to increase the export tax rate of copper concentrate from 5% to 10%. The Indonesian government is urging mining companies to conduct mineral processing locally rather than exporting raw ore.

July 25, 2023

How to adjust the discharge gap of the impact crusher

The counterattack device usually comes with a discharge gap adjustment mechanism. By adjusting the discharge gap, the number of impacts on the material can be changed, thereby affecting the composition of product particle size to varying degrees. The dual rotor impact crusher needs to be adjusted appropriately due to the requirements of product particle size o

July 24, 2023

What are the 5 major advantages of impcat crushers?

The impact crusher is often used as a secondary medium and fine crushing equipment. Currently, the coarse crushing configuration of the sand and gravel production line can choose counterattack crusher instead of jaw crusher, and the medium and fine crushing can choose counterattack crusher. So, what are the advantages of counterattack compared to other crushing equipment? The editor will introduce it to everyone.

July 24, 2023

Can granite be processed using a crusher?

Although granite has high hardness, it has a certain degree of brittleness, so the selection of crushing equipment for granite is relatively flexible. Granite can be used as a basic sand and stone material in the construction industry after undergoing certain crushing and sand making processing. Granite is currently a commonly used sand and stone material in the market, and granite artificial sand replaces natural sand and stone in the market with high quality and excellent parti

July 24, 2023

Thick and Rich Orebody Found at Gorkonda Gold Mine in the United States

Gordes 50 announced that it has seen large-scale high-grade gold mineralization in the Golconda project in Arizona, which indicates that there is a large deposit in the deep. The wide spacing drilling completed in April revealed a deposit of 35 meters at a depth of 177 meters, with a gold grade of 5.2 grams per ton and a silver grade of 5.9 grams per ton. This

July 24, 2023

Newcrest fell after potential buyer Newmont's weak performance in the second quarter

The shares of Newcrest Mining Ltd, Australia's largest gold miner, fell 5.4% on Friday, the biggest intraday drop in nearly 10 months, after Newmont Corp, a potential buyer of the company, announced a weaker than expected second quarter profit overnight. Newcrest is being acquired by Newmont for A $26.2 billion (US $17.75 billion). As of 0506 Greenwich Mean Ti

July 24, 2023

Ecuador, SolGold has reached an agreement to launch nearly $5 billion in mining projects

The Ministry of Energy and Mines of Ecuador announced in a statement on Thursday that the Ecuadorian government has ended negotiations with Mining in Australia mining company SolGold to develop a large mine, which will require an investment of 4.9 billion dollars in the whole life cycle of the project. The statement added that the underground Cascabel mine is e

July 24, 2023

CMH consortium company and Algerian national steel company activate 3.5 billion tons of high phosphorus iron ore with new technology of "integrated beneficiation and smelting"

Recently, China CMH Consortium (consisting of MCC International Engineering Group Co., Ltd., Sinohydro Power International Co., Ltd. and Hunan Shengshi Sunshine Technology Co., Ltd.) and Algerian National Iron and Steel Corporation signed a cooperation agreement in Tindouf Province Province, Algeria, clearly establishing two joint ventures, namely, mining company and steel company, as the main body of iron ore mining and downstream steel smelting, Integrated development of mining

July 24, 2023

Brazil will have its first underground diamond mine

Lipari Company of Canada plans to use tunnels with a depth of 450 meters for mining. The largest diamond producer in Brazil plans to enter its second operational phase. In order to extend the service life of the deposit it began mining in mid-2016, Lipari is preparing to build the first underground diamond mine in Brazil. According to preliminary predictions,

July 24, 2023

Zambia's copper production is expected to drop to a 14 year low

On July 20th, foreign media reported that Zambia's copper production will drop by more than 10% this year, to the lowest level in 14 years, which will have a significant impact on the income and economic growth of this southern African country. The Ministry of Finance and the Ministry of National Planning stated in a report this week that copper production wil

July 24, 2023

US sanctions against Russian copper producer UMMC

On July 20th, foreign media reported that the US Treasury and State Department announced on Thursday that the US has imposed sanctions on Russia's main copper producer, Ural Mining and Metallurgy Company (UMMC), in order to "reduce Russia's revenue from the metals and mining industry. Since Moscow invaded Ukraine in 2022, Washington, along with Western allies,

July 24, 2023

Mexico hit by trade arbitration proceedings from Canadian, US firms

Mexico has been hit with three sets of trade arbitration proceedings in the past few days, according to the International Centre for Settlement of Investment Disputes (ICSID). First Majestic Silver and Silver Bull Resources, both Canadian companies, as well as US food firm Arbor Confections have filed cases against Mexico, ICSID said in brief statements issued

July 24, 2023

Draft new law proposing restrictions on the issuance of mining rights in Colombia's fragile ecosystem

The Colombian government has released a draft decree aimed at establishing new standards for temporary nature reserves based on mining and environmental regulations. The draft decree was issued by the Ministry of Environment in accordance with the ruling of the State Council and other decisions of the Constitutional Court. Citizens, companies, associations and

July 24, 2023

Australia prevents companies associated with China from acquiring lithium mines

On Friday, a spokesperson for Australian Finance Minister Jim Chalmers stated that under the recommendation of the Australian Foreign Investment Review Board (FIRB), Australia has prohibited a company associated with China from acquiring financially troubled lithium miner Alita Resources Ltd. Australia supplies about half of the world's lithium and other mine

July 23, 2023

Zambia plans to select buyers for the Mopani copper mine by the end of the month

Foreign media reported on July 14th: According to the Minister of Mines of Zambia on Friday, the government has included companies that have submitted a binding bid to acquire Mopani Copper Mines in the candidate list and hopes to select a new investor by July 31st. The source told Reuters last month that China Zijin Mining and an investment company owned by C