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Title: Dry piston coal feeder

Abstract

This invention provides a solids feeder for feeding dry coal to a pressurized gasifier at elevated temperatures substantially without losing gas from the gasifier by providing a lock having a double-acting piston that feeds the coals into the gasifier, traps the gas from escaping, and expels the trapped gas back into the gasifier.

Inventors:
 [1]
  1. Belle Meade, NJ
Publication Date:
OSTI Identifier:
863286
Patent Number(s):
US 4140228
Assignee:
United States of America as represented by United States (Washington, DC)
DOE Contract Number:  
E(49-18)-1974
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
dry; piston; coal; feeder; provides; solids; feeding; pressurized; gasifier; elevated; temperatures; substantially; losing; gas; providing; lock; double-acting; feeds; coals; traps; escaping; expels; trapped; coal feeder; coal feed; elevated temperatures; elevated temperature; pressurized gas; piston coal; trapped gas; double-acting piston; solids feeder; feeding dry; acting piston; solids feed; /414/

Citation Formats

Hathaway, Thomas J, and Bell, Jr., Harold S. Dry piston coal feeder. United States: N. p., 1979. Web.
Hathaway, Thomas J, & Bell, Jr., Harold S. Dry piston coal feeder. United States.
Hathaway, Thomas J, and Bell, Jr., Harold S. Mon . "Dry piston coal feeder". United States. https://www.osti.gov/servlets/purl/863286.
@article{osti_863286,
title = {Dry piston coal feeder},
author = {Hathaway, Thomas J and Bell, Jr., Harold S.},
abstractNote = {This invention provides a solids feeder for feeding dry coal to a pressurized gasifier at elevated temperatures substantially without losing gas from the gasifier by providing a lock having a double-acting piston that feeds the coals into the gasifier, traps the gas from escaping, and expels the trapped gas back into the gasifier.},
doi = {},
url = {https://www.osti.gov/biblio/863286}, journal = {},
number = ,
volume = ,
place = {United States},
year = {1979},
month = {1}
}

Patent:

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