The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 19, 1983

Filed:

Jul. 13, 1981
Applicant:
Inventors:

John A Campbell, Mascoutah, IL (US);

Daniel J Moynihan, Belleville, IL (US);

William D Roper, Belleville, IL (US);

Earl C Willis, Benton all of, IL (US);

Assignee:

Peabody Coal Company, St. Louis, MO (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C / ; B01D / ;
U.S. Cl.
CPC ...
299 12 ; 299 64 ; 55 89 ; 55 90 ; 55227 ; 55229 ; 55233 ; 55242 ; 55271 ; 55212 ; 5538 / ; 55467 ; 55491 ; 55501 ;
Abstract

A dust control system for a mining machine, particularly for controlling respirable dust in coal mining operations, comprising a ductwork system having intakes adjacent the cutter head of the mining machine, a fan for drawing air through the ductwork system, a flooded bed scrubber in the ductwork system upstream from the fan for entraining dust, including respirable dust, in the air in droplets of water, air flowing through the scrubber carrying the dust-laden droplets of water downstream from the scrubber, a sump below the ductwork system between the flooded bed scrubber and the fan, a demister in the ductwork system above the sump for separating the dust-laden droplets of water and directing them into the sump, and a pump for pumping the dust-laden water from the sump to a point adjacent the cutting head. A method of controlling dust is also disclosed.


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