Scraper conveyor is an important conveying tool for conveying materials in coal mines, chemical mines, metal mines and power plants. It is made up of central trough, chain, scraper and traction system. The middle trough is the main part of the scraper conveyor. The middle trough of steel has a history of nearly 100 years. Activated Carbon Screw Conveyor has the following shortcomings in the long-term use process: 1) heavy weight, time-consuming installation and...