Liquid heaters and vaporizers – Indirectly heated – Separate fluid
Patent
1974-10-09
1976-03-09
Sprague, Kenneth W.
Liquid heaters and vaporizers
Indirectly heated
Separate fluid
122318, 122483, 165142, F22B 106, F22B 502
Patent
active
039424820
ABSTRACT:
Water is flowed through bayonet tubes where it is heated to steam which is superheated in other bayonet tubes all the bayonet tubes extending from a single tube sheet. Heated water enters the inner tube of a bayonet tube assembly so that it is heated in the annulus between the inner tube and its associated outer tube and then flows into the annular space between the inner and outer tube of the second bayonet tube assembly so that it is is heated to steam to leave by the inner tube of the second bayonet tube assembly to then flow into the annular space between the inner and outer tubes of the third bayonet tube assembly to be superheated and leave the third bayonet assembly by the inner tube thereof, the flow between one or more of the bayonet tube assemblies being connected by connecting tubes which connect with thermal sleeves covering the inner tubes of the bayonet tube assemblies below the single tube sheet.
REFERENCES:
patent: 3054599 (1962-09-01), Fabregas
patent: 3097630 (1963-07-01), Kinyon et al.
patent: 3557760 (1971-01-01), Romanos et al.
patent: 3613781 (1971-10-01), Barratt
patent: 3741167 (1973-06-01), Polcer et al.
Barratt Robert O.
Polcer John
Swift Richard James
Foster Wheeler Energy Corporation
Naigur Marvin A.
Sprague Kenneth W.
Wilson John E.
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