Continuous pressure letdown system
Abstract
A continuous pressure letdown system connected to a hopper decreases a pressure of a 2-phase (gas and solid) dusty gas stream flowing through the system. The system includes a discharge line for receiving the dusty gas from the hopper, a valve, a cascade nozzle assembly positioned downstream of the discharge line, a purge ring, an inert gas supply connected to the purge ring, an inert gas throttle, and a filter. The valve connects the hopper to the discharge line and controls introduction of the dusty gas stream into the discharge line. The purge ring is connected between the discharge line and the cascade nozzle assembly. The inert gas throttle controls a flow rate of an inert gas into the cascade nozzle assembly. The filter is connected downstream of the cascade nozzle assembly.
- Inventors:
- Issue Date:
- Research Org.:
- Pratt & Whitney Rocketdyne, Inc., Canoga Park, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1176332
- Patent Number(s):
- 7731783
- Application Number:
- 11/657,254
- Assignee:
- Pratt & Whitney Rocketdyne, Inc. (Canoga Park, CA)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
- DOE Contract Number:
- FC26-04NT42237
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2007 Jan 24
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; 01 COAL, LIGNITE, AND PEAT
Citation Formats
Sprouse, Kenneth M., Matthews, David R., and Langowski, Terry. Continuous pressure letdown system. United States: N. p., 2010.
Web.
Sprouse, Kenneth M., Matthews, David R., & Langowski, Terry. Continuous pressure letdown system. United States.
Sprouse, Kenneth M., Matthews, David R., and Langowski, Terry. Tue .
"Continuous pressure letdown system". United States. https://www.osti.gov/servlets/purl/1176332.
@article{osti_1176332,
title = {Continuous pressure letdown system},
author = {Sprouse, Kenneth M. and Matthews, David R. and Langowski, Terry},
abstractNote = {A continuous pressure letdown system connected to a hopper decreases a pressure of a 2-phase (gas and solid) dusty gas stream flowing through the system. The system includes a discharge line for receiving the dusty gas from the hopper, a valve, a cascade nozzle assembly positioned downstream of the discharge line, a purge ring, an inert gas supply connected to the purge ring, an inert gas throttle, and a filter. The valve connects the hopper to the discharge line and controls introduction of the dusty gas stream into the discharge line. The purge ring is connected between the discharge line and the cascade nozzle assembly. The inert gas throttle controls a flow rate of an inert gas into the cascade nozzle assembly. The filter is connected downstream of the cascade nozzle assembly.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2010},
month = {6}
}