... straw, cotton stalks, rice straw, rice husk, peanut shell, corn cob, branches, leaves, sawdust and other crops in rural areas , solid ... straw, cotton stalks, rice straw, rice husk, peanut shell, corn cob, branches, leaves, sawdust and other crops in rural areas , solid ... as well as in industrial furnaces.Working Principle of Factory-outlet Straw Fuel Briquetting Machine:1. Forming principle: with the ...