Streamline coal slurry letdown valve
Patent
·
OSTI ID:7159388
A streamlined coal slurry letdown valve is featured which has a two-piece throat comprised of a seat and seat retainer. The two-piece design allows for easy assembly and disassembly of the valve. A novel cage holds the two-piece throat together during the high pressure letdown. The coal slurry letdown valve has long operating life as a result of its streamlined and erosion-resistance surfaces. 5 figs.
- DOE Contract Number:
- FC05-77ET10069
- Assignee:
- Exxon Research and Engineering Co., Florham Park, NJ (United States)
- Patent Number(s):
- US 4413646; A
- Application Number:
- PPN: US 6-263750
- OSTI ID:
- 7159388
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
013000* -- Coal
Lignite
& Peat-- Transport
Handling
& Storage
CONTROL EQUIPMENT
DESIGN
DISPERSIONS
EQUIPMENT
FLOW REGULATORS
FREIGHT PIPELINES
FUEL SLURRIES
FUELS
LIFETIME
MECHANICAL PROPERTIES
MIXTURES
PIPELINES
PRESSURE DROP
SERVICE LIFE
SLURRIES
SLURRY PIPELINES
SUSPENSIONS
TRANSPORT
VALVES
WEAR RESISTANCE
013000* -- Coal
Lignite
& Peat-- Transport
Handling
& Storage
CONTROL EQUIPMENT
DESIGN
DISPERSIONS
EQUIPMENT
FLOW REGULATORS
FREIGHT PIPELINES
FUEL SLURRIES
FUELS
LIFETIME
MECHANICAL PROPERTIES
MIXTURES
PIPELINES
PRESSURE DROP
SERVICE LIFE
SLURRIES
SLURRY PIPELINES
SUSPENSIONS
TRANSPORT
VALVES
WEAR RESISTANCE