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Recuperators

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Published: 01 November 2007
Fig. 3.20 Heavy oxide scales formed on the side of Type 321 recuperator tube that was exposed to the incoming air after 6 months of service with the metal temperatures approximately 620 to 670 °C (1150 to 1240 °F). This tube was from the same batch of tubes that shows surface chromium More
Image
Published: 01 November 2007
Fig. 7.2 Alloy 800H recuperator suffering severe sulfidation attack in a nonferrous metal scrap melting furnace. The 9.5 mm (0.4 in) thick recuperator was perforated in less than 2 years at metal temperatures of about 650 to 760 °C (1200 to 1400 °F). (a) General view of a corroded sample. (b More
Image
Published: 01 June 1988
Fig. 5.4 Vapor-cooled heat-exchanger system equipped with a recuperator that returns waste heat to the plant air-circulation system Source: Water Saver Systems, Inc. More
Image
Published: 01 December 2003
Fig. 6 External gas-heated fluidized bed with recuperator. The use of regenerative burners where the exhaust gas temperature is only 200 °C (390 °F) achieves efficiencies similar to those of electrically heated furnaces. Source: Ref 1 More
Image
Published: 01 November 2007
Fig. 14.37 Scanning electron micrographs, (a) low magnification and (b) high magnification, showing intergranular fracture surface of the alloy 601 recuperator shell. Original magnification: (a) 13× and (b) 100×. Source: Ref 16 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080379
EISBN: 978-1-62708-304-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900111
EISBN: 978-1-62708-350-8
... retort fluidized-bed. Source: Ref 1 Fig. 6 External gas-heated fluidized bed with recuperator. The use of regenerative burners where the exhaust gas temperature is only 200 °C (390 °F) achieves efficiencies similar to those of electrically heated furnaces. Source: Ref 1 Fig. 7...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220077
EISBN: 978-1-62708-341-6
... ducts. Thus, the heat normally lost is recovered and used to warm the plant air. Approximately 95% of the waste heat can be recovered in this manner. Fig. 5.4 Vapor-cooled heat-exchanger system equipped with a recuperator that returns waste heat to the plant air-circulation system Source: Water...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080005
EISBN: 978-1-62708-304-1
... as a recuperator tube at metal temperatures of approximately 620 to 670 °C (1150 to 1240 °F) for preheating air, significant oxide spalling and scaling was observed on the air side of the heat-exchanger tube. Figure 3.20 shows heavy oxide scales formed on the side of the tube exposed to the incoming air after 6...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030235
EISBN: 978-1-62708-282-2
... to 1020 H 2 S and H 2 Petroleum coke calcining recuperators 816 1501 Oxidation, sulfidation Cat cracking regenerators to 800 to 1470 Oxidation Flare stack tips 950–1090 1740–1995 Oxidation, thermal fatigue, sulfidation, chlorination, dewpoint Carbon disulfide furnace tubes 850...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220315
EISBN: 978-1-62708-341-6
... Equipment Costs Induction power supplies, which constitute the major cost items in induction systems, typically cost 2 1 2 to 3 times as much as gas-fired furnaces of equal capacity. Gas furnaces with recuperators (used to preheat combustion air) have higher efficiencies than conventional...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.9781627083041
EISBN: 978-1-62708-304-1
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080201
EISBN: 978-1-62708-304-1
.... The tube was in service at about 930 °C (1700 °F) in a natural gas-fired furnace making ceramic tiles. Sulfur was believed to come from the ceramic feedstock. Fig. 7.2 Alloy 800H recuperator suffering severe sulfidation attack in a nonferrous metal scrap melting furnace. The 9.5 mm (0.4 in) thick...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460185
EISBN: 978-1-62708-285-3
... parts by cold spraying. Cormier et al. investigated the formation of near-net shape pyramidal fins by cold spray deposition to enhance heat transfer in recuperating preheaters in microturbines and as heat exchangers in electronic devices ( Ref 7.5 , 7.62 ). Pyramidal fins provided additional...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2010
DOI: 10.31399/asm.tb.hss.t52790033
EISBN: 978-1-62708-356-0
... Research Laboratories. In 1929, while Brearley was recuperating from an operation at Torquay on the coast of Devon, he wrote but did not publish his autobiography. He had the manuscript typewritten and sent it to his only son, Leo, who eventually passed it on to his son, Basil. When planning...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980323
EISBN: 978-1-62708-342-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550621
EISBN: 978-1-62708-307-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080147
EISBN: 978-1-62708-304-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320103
EISBN: 978-1-62708-332-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.9781627083423
EISBN: 978-1-62708-342-3