What is the return sand ratio? How much is appropriate for general control?

When the grinding machine and the classifier are enough to work in a closed circuit, the coarse product returned from the classification to the grinding machine is called returning sand. The weight of the return sand and the original amount of the ore miner are called the return sand ratio.

Jiujiang Petrochemical uses new technology for pump lubrication

The amount of lubricating oil changed from 24 barrels to 2 barrels. Jiujiang Petrochemical Catalytic Device 16 pumps After the implementation of oil mist lubrication technology, the amount of lubricating oil was reduced by 70%-80%, not only to achieve the best lubrication of the pump, the use

Heat shrink packaging machine process and introduction

Introduction: Heat shrink packaging machine, also known as shrinking machine, is a more commonly used packaging machine. Shrink packaging machine has many advantages, it can reduce the possibility of product being dismantled and stolen. And shrinkage does

Increase slows profits of local parts companies

After a consecutive two years of high growth in the domestic automotive industry, the growth rate of 2011 has slowed down significantly. According to statistics of financial data of auto parts companies, in the first half of 2011, the average net interest rate of 68 parts and compone

Overview of gold ore dressing technology

I. Industrial types and characteristics of gold deposits

Gold is widely distributed of sand deposits, a wide range, according to their distance conveyance distance can generall