Design, construction and shakedown of a high-pressure ash-agglomerating process development coal gasifier
Conference
·
OSTI ID:6662621
IGT has extensive experience in operating a coal-fed ash-agglomerating U-GAS pilot plant to investigate process feasibility and produce data for commercial plant design. The operation of this pilot plant however, is expensive, whether for a feasibility test or a scale-up confirmation test because of manpower needs for plant operations and data analyses as well as utilities costs. From this background has emerged the need for a smaller scale ash-agglomerating unit operable at significantly higher pressure but at lower test cost. This process development type unit (PDU) would be primarily limited to feedstock feasibility tests. The PDU, however, having been designed for 20-bar operating pressure, facilitates fluidized-bed ash-agglomerating studies that cannot be investigated at this time in the pilot plant. The need for a high-pressure PDU has been recently enhanced due to the commercial interest in U-GAS process design for chemical feedstocks and SNG production; both of these uses place a premium on gasification processes operating at elevated pressure. The PDU was designed at approximately at 1:20 scaledown from the pilot plant and is operable adiabatically because it employs a heavily insulated double shell design. The PDU design is a near duplicate of the pilot plant configuration. The PDU was installed in the U-GAS pilot plant building which makes available for use the existing solids-handling facilities including that of a separate but nearby room suitable for a process control panel. Shakedown of the PDU has confirmed its mechanical and adiabatic capability for fluidized-bed ash-agglomerating operating conditions. 1 figure.
- Research Organization:
- Institute of Gas Technology, Chicago, IL (USA)
- OSTI ID:
- 6662621
- Report Number(s):
- CONF-840302-6; ON: TI84901432
- Country of Publication:
- United States
- Language:
- English
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