Patent · US Expired

Method and device for manufacturing charcoal

US4926763A · kind A · utility

2Cited by
10References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 17, 1989
Grant dateMay 22, 1990
Priority date
Expiry dateJan 17, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31989
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A charcoal manufacturing device includes at least two bottomless furnaces of which, in operation, at least one is in a carbonization phase and at least one other is charged with wet wood to be dried. An incinerator is provided for burning the gas produced during the carbonization phase, connected to the at least one furnace. A first hot gas diluter is connected to this incinerator and an extractor is connected to the first diluter. An optional washing device is connected to the extractor. Hot gas produced by the at least one furnace during the carbonization phase is drawn off upstream of the extractor and conveyed to the at least one other furnace by a system that includes a second hot gas diluter. This second diluter renders the temperature of the hot gas compatible with the wet wood to be dried.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.