Rapid growth in demand, rapid depletion of resources in China

On July 27, the reporter learned from the Liaoning Provincial Magnesium Resources Protection Office that in the first half of this year, the province produced 750,000 tons of boron ore, 130,000 tons of borax and 26,000 tons of boric acid, which is another good one since 2003. Achievements. How

Pump well soft start control device was successfully developed

This device is composed of automatic air switch, high-power thyristor, vacuum contactor, central controller, soft-start controller, capacitor, varistor and so on. The device is mainly for the current pump starter phase sequence protection function developed defects, because the

Beijing Auto Show: International taste is much worse


The 2004 Beijing International Automobile Exhibition opened in Beijing in the fiery summer. Different from previous years, this year's auto show is considered by industry professionals to be more of an "International Auto Show." In addition, the media has listed Beijing Auto

More economical choice: magnetic drive gear pump introduction

Sealless centrifugal pump is divided into shielded motor drive and magnetic drive two structures, and has many years of experience. However, the sealless rotor pump only started to be used in recent years. This article will be positive displacement pump and magnetic drive technology combined wi

High temperature gear pump maintenance and management

High-temperature gear pump polyester melt delivery, pressurization and melt measurement is essential equipment. Compared with other types of melt pumps, the high temperature gear pump has the advantages of compact structure, reliable operation, low energy consumption, high volum