| 释义 |
tuyere
(twɪə(r), twaɪə(r), ‖ tɥijɛr, tyjɛr)
Forms: (4 tuer, toyer, toyere). α. 7 twire-, 9 twyer(e, twyére, twyeer. β. 8–9 tweer, 9 twear. γ. 9 tuyer(e, tuyère; tewer, tewyre.
[The common current spelling of the word already entered in the forms tew-iron and tow-iren, and taken as ad. OF. toiere (1389 in Godef. Compl.), tuyere, tuhiere, touyere (1459), mod.F. tuyère. The remarkable gap between the 14th cent. instances and modern usage is partly filled by the occurrence of twire-pipe in the 17th cent.]
The nozzle through which the blast is forced into a forge or furnace.
[1350–1in Archæologia LXIV. 158 Item in ij tuers ferri emptis ij.s. viij.d. Ibid. 159 Item in xxvj egyn faciendis pro tuers vj s. vj d., pro ege iij d. 1354Ibid. 150 Liberabuntur..in fabrica predicta..unum angire [? andire = and⁓iron] precii viij d. duo toyers precii xij d. Ibid. 163 In emendacione iij toyeres xij d. ]
1781More Iron Scoria in Phil. Trans. LXXII. 51 note, The Tweer is that opening through which the air is driven by the bellows into the body of the furnace. 1839Civil Eng. & Arch. Jrnl. II. 233/2 The ‘Twyer’ (or aperture by which the blast is admitted) of a cupola or furnace for melting cast iron. 1839Penny Cycl. XIII. 33/1 The three tubes leading to this hearth..which are called tuyeres, are used for introducing the blast of air. 1859R. Hunt Guide Mus. Pract. Geol. (ed. 2) 229 The use of hot blast at the tuyères. 1862Catal. Internat. Exhib. II. x. 1 The horizontality of the lines of equal temperature from the tuyères upwards. 1864Q. Jrnl. Sc. I. 492 The twyers are in the upper part of the boshes, and the blast is directed downwards. 1877Raymond Statist. Mines & Mining p. viii, With the view of diminishing the waste of heat, it is customary to run the water through tuyeres and jacket just fast enough to keep it almost boiling. 1881Young Ev. Man his own Mechanic §1419 A short pipe or tuyere..acting as the nozzle of an ordinary pair of bellows. 1892Labour Commission Gloss., Twear, the pipe which conveys the hot blast into the furnace..surrounded by a large pipe, through which passes a constant flow of cold water to keep the twear cool. 1900Archæologia LVII. 119 A blast of air from a bellows was admitted to the furnace through a pipe or twyer.
b. attrib. and Comb., as tuyere hole, tuyere opening, tuyere-pipe; tuyere arch, in a blast furnace, an arch through which a tuyere is admitted (Cent. Dict. 1891); tuyere box, in a converter or the like, a detachable chamber with a number of tuyeres; tuyere coil, a water-pipe coiled about the tuyere for cooling (Knight Dict. Mech., Suppl. 1884); tuyere-house, ? a recess in the wall of a furnace where the blast is admitted: cf. house n. 7 c; tuyere-plate: see quot.
1861Fairbairn Iron 155 The *tuyere-box..is so arranged as to be easily detached. Two or more of these tuyere-boxes are provided, so that on the removal of one set of tuyeres, another box and tuyeres may be in readiness.
1836–41Brande Chem. (ed. 5) 762 The expansion of the boshes; but as this is more than four feet above the *tuyere hole, the blast must be delivered with great velocity. 1879G. Gladstone in Cassell's Techn. Educ. IV. 145/1 The blast..is let on through the twyer-hole.
1861Fairbairn Iron 50 The number of blowpipe nozzles to each furnace varies..; the usual number is three, one for each of the *tuyere-houses.
1882Rep. to Ho. Repr. Prec. Met. U.S. 580 Water..flows also around the *tuyere openings. 1674*Twire-pipe [see twire-pipe 2]. 1840Civil Eng. & Arch. Jrnl. III. 297/2 A second layer of charcoal..is thereafter laid..under the twyére pipe.
1881Raymond Mining Gloss., Bloomary, a forge for making wrought iron... The sides are iron plated,..the *tuyere-plate (through which the tuyere passes) at one side. |