hot blastn.

Brit.

/ˌhɒt ˈblɑːst/,

/ˌhɒt ˈblast/, U.S.

/ˌhɑt ˈblæst/

Origin: Formed within English, by compounding. Etymons: hot adj., blast n.¹

Etymology: < hot adj. + blast n.¹

The practice of preheating the air forced into a blast furnace in order to improve the efficiency of working of the furnace; the blast of hot air so used.The practice was patented and promoted by J. B. Neilson from 1828 onwards ( Brit. Patent 5701).

ΘΚΠ

society > occupation and work > industry > working with tools or equipment > [noun] > furnace > other processes

reverberationa1475

hot blast1836

botting1874

hanging1878

clinkering1901

1836 J. B. Neilson in Trans. Inst. Civil Engineers 1 83 Were the Hot Blast generally adopted, the saving..in..coal would be immense.

1859 R. Hunt Guide Mus. Pract. Geol. (ed. 2) 229 The use of hot blast at the tuyères.

1922 T. M. Lowry Inorg. Chem. xli. 764 The hot gases were formerly led through chambers filled with brickwork which became heated by the gases and was then used to heat the air supply to the furnace. This method of producing a hot blast is known as regenerative heating.

2001 R. B. Gordon Landscape Transformed vii. 75 The army ordnance officers responsible for procuring cannon, continued to insist as late as the 1850s that iron made with hot blast was inferior.

Compounds

General attributive.

ΚΠ

1860 W. Fordyce Hist. Coal 112 ‘Hot-blast Iron’ is familiar all over the country.

1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 128 Tunnel-head gases from iron blast-furnaces are brought down to the hot-blast stoves and boilers.

1946 V. N. Wood Metall. Materials viii. 221 There are in addition to the normal types of hot blast pig irons produced in the blast furnace, other types made by rather different methods.

1970 R. W. Thomas Iron & Steel ii. 13 (caption) Another general view of a blast furnace showing the hot blast stoves in the foreground.

1992 Sunday Times of India 19 Apr. 19/4 (advt.) Foundry machinery for sale. Well maintained CI foundry machinery including Cupolas with hot blast system.

This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022).

单词	hot blast
释义	hot blastn. Brit. /ˌhɒt ˈblɑːst/, /ˌhɒt ˈblast/, U.S. /ˌhɑt ˈblæst/ Origin: Formed within English, by compounding. Etymons: hot adj., blast n.¹ Etymology: < hot adj. + blast n.¹ The practice of preheating the air forced into a blast furnace in order to improve the efficiency of working of the furnace; the blast of hot air so used.The practice was patented and promoted by J. B. Neilson from 1828 onwards ( Brit. Patent 5701). ΘΚΠ society > occupation and work > industry > working with tools or equipment > [noun] > furnace > other processes reverberationa1475 hot blast1836 botting1874 hanging1878 clinkering1901 1836 J. B. Neilson in Trans. Inst. Civil Engineers 1 83 Were the Hot Blast generally adopted, the saving..in..coal would be immense. 1859 R. Hunt Guide Mus. Pract. Geol. (ed. 2) 229 The use of hot blast at the tuyères. 1922 T. M. Lowry Inorg. Chem. xli. 764 The hot gases were formerly led through chambers filled with brickwork which became heated by the gases and was then used to heat the air supply to the furnace. This method of producing a hot blast is known as regenerative heating. 2001 R. B. Gordon Landscape Transformed vii. 75 The army ordnance officers responsible for procuring cannon, continued to insist as late as the 1850s that iron made with hot blast was inferior. Compounds General attributive. ΚΠ 1860 W. Fordyce Hist. Coal 112 ‘Hot-blast Iron’ is familiar all over the country. 1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 128 Tunnel-head gases from iron blast-furnaces are brought down to the hot-blast stoves and boilers. 1946 V. N. Wood Metall. Materials viii. 221 There are in addition to the normal types of hot blast pig irons produced in the blast furnace, other types made by rather different methods. 1970 R. W. Thomas Iron & Steel ii. 13 (caption) Another general view of a blast furnace showing the hot blast stoves in the foreground. 1992 Sunday Times of India 19 Apr. 19/4 (advt.) Foundry machinery for sale. Well maintained CI foundry machinery including Cupolas with hot blast system. This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022). < n.1836
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