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Hot patches

Rotolining ETEE Rotationally molded Pressure ok Max size Visual By hot patching... [Pg.45]

Figure 5.18 Shape factor Ft as a function of quality at DNB point for hot-patch heat flux distribution. (From DeBortoli et al., 1958. Reprinted with permission of U.S. Department of Energy, subject to the disclaimer of liability for inaccuracy and lack of usefulness printed in the cited reference.)... Figure 5.18 Shape factor Ft as a function of quality at DNB point for hot-patch heat flux distribution. (From DeBortoli et al., 1958. Reprinted with permission of U.S. Department of Energy, subject to the disclaimer of liability for inaccuracy and lack of usefulness printed in the cited reference.)...
Fig. 24. Photographs of primary steam reformer tube banks showing high tube wall temperature features, (a) showing bands and hot patches and (b) showing an entire tube that has overheated. Fig. 24. Photographs of primary steam reformer tube banks showing high tube wall temperature features, (a) showing bands and hot patches and (b) showing an entire tube that has overheated.
Rotolining ETFE PVDF ECTFE All up to 250 mils (normal thickness 186 mils) Rotationally molded No seams No primer Shop only Pressure OK Limited Vacuum ability Max size 8x22 Visual Spark By hot patching Testing recommended... [Pg.156]

Spray and Baked Dispersion Electrostatic spray FEP (10 mils), PFA (10 0 mils and up to 80 mils when reinforced or filled) PVDF (20-40 mils and up to 90 mils when reinforced with carbon cloth) ETFE (up to 50 mils), FEP (10 mils), PFA (25 0 mils) ECTFE (35-90 mils), PVDF (35 0 mils) Primer and multicoated conventional spray equip Each coat baked Shop only Primer and multicoated Each coat baked Shop only Pressure OK Vacuum OK Pressure OK Vacuum OK 12xl2x 37 12 Visual Spark Visual Spark By hot patching Testing recommended By hot patching Testing recommended... [Pg.156]

Hot Patching. The repair of the refractory lining of a furnace while it is still hot this is most commonly done by spraying a refractory slurry through a cement gun. See also air-borne SEALING and SPRAY WELDING. [Pg.159]

Monolithic materials based on doloma that are used for lining maintenance are typically classified as gunning materials and/or hot patching products. Doloma-based gunning materials are applied when the furnace, ladle, etc. is hot to minimize the potential of hydration. Hot patching materials based on doloma, magnesia, and organic resin systems are also utilized for maintenance of electric fiunace hearths, BOF vessels, and ladles. [Pg.195]

See other pages where Hot patches is mentioned: [Pg.277]    [Pg.45]    [Pg.45]    [Pg.11]    [Pg.363]    [Pg.364]    [Pg.422]    [Pg.366]    [Pg.111]    [Pg.2721]    [Pg.2721]    [Pg.279]    [Pg.279]    [Pg.2698]    [Pg.2698]    [Pg.250]    [Pg.250]    [Pg.3]    [Pg.144]    [Pg.105]   
See also in sourсe #XX -- [ Pg.250 ]



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