The critical speed of various ball mills is in direct proportion with its diameter, the absolute figure of critical speed is hard to calculated, and now only the calculation formula on critical speed in theory is widely used.

In extractive metallurgy, mineral processing, also called mineral dressing or ore dressing, is the procedure of separating commercially valuable minerals using their ores. Mining Processing Machinery include crushing equipment,grinding equipment,Gravity m

Because of the rapid development of the industry, the exuberant sand equipment market attracted large quantities of international enterprise to enter the market in China and also promoted the technological improvement of the large-scale sand maker, crushi

Machinery manufacturing industry is a pillar industry of national economy. Modern manufacturing is changing people's mode of production, lifestyle, business management as well as social structure and culture. As China's potentially existed large market an

The independent research and development of our crushing machine technology has gone through the ups and downs during the last decades. The technical process has been changed all the time. The way is very difficult and we have a long period to run.

The coal industry began to introduce high efficiency and energy saving roll crusher to respond to the government call on environmental protection. More and more industries began to pay attention to energy saving and environmental protection. This is a cha

In recent years, with the fast development of mining machinery in our country, our crusher industry also has significant improvement and new products are constantly launched out, and the crushing technology also continues to improve and make better.

In the repair work of jaw crusher, the most easy wear and tear part is changing the driving plate. As for this type of crusher that its connecting rod is ensemble, you need dismantle the driving plate, firstly screw out the dam-board bolt, cut down the lu

Crushers includes many different types such as jaw crusher, cone crusher and impact crusher as well as vertical shaft impact crusher which is also called sand making machine. In addition, mobile crusher is also an important machine which is suitable for s

China is huge, fast growing, manufacturing country. To continue in this vein they need huge amounts of raw materials. It is increasingly importing these to fuel its growth. In fact, China is forecast to be the world’s biggest coking coal importer by 2015.

Crushing and grinding of ore beneficiation is prepared before the operation. Beneficiation is a prerequisite to make a useful minerals in the ore reached monomer separation.

For all heavy industries, machinery and construction equipment are important in the construction and product projects. As is known to all, mining industry is the core industry in national economy and plays a very important role in China economic construct

The mining industry in many developing and third world countries has, over the last ten to fifteen years, undergone a great growth period. New methods of finding minerals have been discovered and it has caused old mines to be re-opened and new mines to be

Admittedly, as for short-time benefit, enterprise innovation is a risky behavior. Especially for technology oriented national engineering machinery enterprise with Henan Hongxing Mining Machinery Co.,Ltd as a representative, the pressure is incredibly hug

Cement production line is to build cement clinker production line in mining areas, and build cement grinding station near large and medium-sized cities (i.e.Ore spiral classifier cement sales markets). Most cement mixed materials are industrial wastes pro

Now in the market, the popular and agreed grinding machine include the ceramic ball mill, energy-saving ball mill and rod mill. The ball mill has the advantages of smaller size, even size and can apply to the grinding of the quartz and feldspar. The ball

When we make sand, the third generation sand making machinery and the rod mill are main equipment, but we can also see the situation of the over-broken. Today, the exports in Hongxing will explain it to you.

You cannot emphasize the blow bars is the life of impact crusher too much. Impact crusher mainly depends on the tremendous impact brought by blow bars for the crushing of materials.

When the crushers used for the basalt, granite, river stone, and other high strength of hard materials, you must note that: design the reasonable crushing technology

For survival in the industry restructuring, we must change the way development of the industry, two of which focus is industrial upgrading, adjusting industrial layout to meet the needs of urban development