Welcome to CDC stacks | Evaluation of a gas-assisted cupola - 10463 | National Institute for Occupational Safety and Health
Stacks Logo
Advanced Search
Select up to three search categories and corresponding keywords using the fields to the right. Refer to the Help section for more detailed instructions.
 
 
Help
Clear All Simple Search
Advanced Search
Evaluation of a gas-assisted cupola
Filetype[PDF-7.01 MB]


This document cannot be previewed automatically as it exceeds 5 MB
Please click the thumbnail image to view the document.
Evaluation of a gas-assisted cupola
Details:
  • Personal Authors:
  • Description:
    "The Bureau of Mines is studying cupola ironmelting technology with the objectives of conserving high-quality raw materials through substitution and increasing productivity. In the preliminary research reported here, a pilot-size cupola was modified by inserting a gas-fired melting and/or preheating chamber into the stack above the level of the coke bed, for study as a prototype for a coal-fired melting chamber. The modified cupola, in which natural gas was used to partially replace foundry coke, was evaluated in several trial runs. Data were obtained on furnace performance, metal and slag chemistry, and scrubber waters as particulates. Results of the modified operation were compared to those of conventional cupola operation. Although this research was preliminary--since the ultimate goal is to use pulverized coal instead of gas--it yielded ample evidence that the melting rate of a cupola can be significantly increased with less than a proportionate increase in energy input. Other evidence suggests that melting of low-density scrap can be enhanced and that scrap containing undesirable and/or oxidizable elements can be appreciably upgraded. This work is continuing and will include the use of pulverized coal of low rank to assist in melting." - NIOSHTIC-2

    NIOSHTIC no. 10003860

  • Document Type:
  • Supporting Files:
    No Additional Files
No Related Documents.
You May Also Like: