Dry piston coal feeder

Title: Dry piston coal feeder

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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:

Hathaway, Thomas J ^[1]; Bell, Jr., Harold S. ^[2]

Belle Meade, NJ
(Madison, NJ)

Issue Date:: 1979-01-01

OSTI Identifier:: 863286

Patent Number(s):: 4140228

Assignee:: United States of America as represented by United States (Washington, DC)

Patent Classifications (CPCs):: C - CHEMISTRY C10 - PETROLEUM, GAS OR COKE INDUSTRIES C10J - PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES

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C - CHEMISTRY C10 - PETROLEUM, GAS OR COKE INDUSTRIES C10J - PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES
C10J3/78 - High-pressure apparatus
C10J3/723 - {Controlling or regulating the gasification process}
C10J2200/154 - Pushing devices, e.g. pistons
C10J2300/093 - Coal
C10J3/30 - Fuel charging devices

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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.

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                    Hathaway, Thomas J, & Bell, Jr., Harold S. Dry piston coal feeder.  United States.

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                    Hathaway, Thomas J, and Bell, Jr., Harold S. Mon .  
        "Dry piston coal feeder".  United States.  https://www.osti.gov/servlets/purl/863286.

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@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          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1979},

  month        = {1}

}

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