Pumps – Processes – Of pumping one fluid by contact or entrainment with another
Patent
1978-12-26
1981-01-27
Croyle, Carlton R.
Pumps
Processes
Of pumping one fluid by contact or entrainment with another
60644, 165 70, 165108, 165134R, 176 38, 176 65, 417176, F04F 500
Patent
active
042472628
ABSTRACT:
An improved arrangement for feeding a cool liquid into a pressure vessel and mixing the fed liquid with hot liquid contained therein includes a flow-shielding ejector thermal sleeve disposed partially within an inlet nozzle and surrounding a supply line through which the main feed flow is conducted to a sparger outlet port in the vessel. The sleeve is spaced radially inwardly from the inner surface of the nozzle to define a generally annular flow-through space therebetween. Cool leakage liquid flow is confined within the sleeve and ejected by the main feed flow from an ejector chamber formed around the port by a downstream portion of the sleeve. The ejective action of the main flow exiting the port additionally draws an insulating flow of hot liquid from the vessel sequentially upstream through the flow-through space, into the interior of the upstream portion of the sleeve, and downstream with the confined cool leakage flow, thereby substantially reducing cracking of the nozzle.
REFERENCES:
patent: 3154140 (1964-10-01), Esselman et al.
patent: 3380649 (1968-04-01), Roberts
patent: 3628879 (1971-12-01), Marmon et al.
patent: 3640645 (1972-02-01), Forsythe
patent: 4168071 (1979-09-01), Jacobson et al.
Croyle Carlton R.
Davis Jr. James C.
General Electric Company
Look Edward
Schroeder Robert R
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