External gear pump structure and working principle

The utility model is composed of a pair of gears which are arranged in a shell. The gear shell is provided with an end cover shell on both sides of the gear, and each of the interdental grooves of the end cover and the gear forms a plurality of sealed working chambers. When the .......

Dry Ball Mill/Raw Mill/Ball Mill Equipment

Compared with traditional ball mill, the energy saving ball mill fan save power 18-25%, lubricant 70% and cooling water 90%, and comprehensively save energy above 20%. Regularly, it doesn`t need to change the main shaft in 10 years, which will save much maintenance fee and labour hour.......

PU line in the decoration of the specific benefits

PU line is a new building material made of imported polyurethane polymer foam, because it is environmentally friendly, waterproof, fireproof, anti-smashing advantages, and not easily damaged, welcomed by the market and sought after by architects. So as the current European style decoration mate.......