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1 засыпная воронка
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2 воронка засыпного аппарата
Русско-английский новый политехнический словарь > воронка засыпного аппарата
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3 воронка засыпного аппарата
Metallurgy: furnace-top hopperУниверсальный русско-английский словарь > воронка засыпного аппарата
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4 Gichttrichter
m < metall> ■ furnace top hopper -
5 колошник
2) Engineering: furnace throat (шахтной печи)3) Construction: bell and hopper (доменной печи)4) Metallurgy: furnace top, mouth (печи), shaft top5) oil&gas: column top -
6 Parry, George
SUBJECT AREA: Metallurgy[br]fl. 1800–1850 Wales[br]Welsh ironmaker and inventor of the bell and hopper for blastfurnaces.[br]Until the mid-nineteenth century, blast furnaces were open at the top to facilitate loading of the iron ore, fuel and flux (the charge). However, that arrangement allowed the hot gases produced in the furnace to escape, whereas they could have been used to heat boilers or the incoming air blast. Attempts had been made to capture the fugitive gases, but they had all failed until George Parry devised his bell and hopper equipment for dosing the throat or top of the furnace. He fixed an inverted cone or hopper inside the throat and arranged inside it a cast-iron bell that could be raised or lowered. When in the raised position, it was in contact with the underside of the hopper, thus sealing the furnace. The hot gases could then be led off through a large pipe to do useful work. The charge was dropped onto the bell, and when enough had accumulated there the bell was lowered, allowing the charge to fall into the furnace. The gas escaped only for the brief period that the bell was lowered. The advantages of this arrangement were soon realized by other ironmasters and it was quite rapidly, and then generally, adopted. The device was still in use in the 1990s, with modifications.[br]Bibliography1858, "On the principal causes of derangements in blast furnaces", Proceedings of the South Wales Institute of Engineers 1:26–39 (describes his improvements to the blast furnace), 28 ff. (relates to the improvements in the charging arrangements).Further ReadingW.K.V.Gale, 1969, Iron and Steel, London: Longmans, p. 52.LRD -
7 затвор
bolt, check, closure, ( элементарного транзистора) gate finger, ( трубопровода) flap, ( полевого транзистора) control gate, valve gate, gate, latch, lock, ( напорного трубопровода) penstock, seal, shutter, ( движущаяся часть пневматического сейсмического источника) shuttle, flow-regulating valve, hydraulic valve, regulating valve, valve* * *затво́р м.1. ( запор) bolt, bar2. ( гидротехнический) gate3. ( фотографический) shutterавари́йный затво́р — emergency gateбу́нкерный затво́р — bin gate, bin doorбу́нкерный, бараба́нный затво́р — roller gateбу́нкерный, дози́рующий затво́р — proportioning [metering] bin gateбу́нкерный, перекрыва́ющий затво́р — overlapping bin gateбу́нкерный, регули́рующий затво́р — bin control gateва́куумный затво́р — vacuum sealвальцо́вый затво́р — (cylindrical) rolling gateзатво́р весово́го бу́нкера — weigh-hopper gateводяно́й затво́р — waterlock, water seal, water-sealed joint, hydraulic back-pressure valveводяно́й, постово́й затво́р — welding outfit back-pressure valveводяно́й, предохрани́тельный затво́р — hydraulic back-pressure valveводяно́й, центра́льный затво́р — central back-pressure valveвраща́ющийся затво́р опт. — rotating shutterга́зовый затво́р — gas seal (in blast furnace)гидравли́ческий затво́р — waterlock, water seal, water-sealed joint, hydraulic back-pressure valveглуби́нный затво́р — deep [low-level] gateзатво́р для про́пуска льда — ice gateдро́ссельный затво́р — butterfly valve, butterfly gateжи́дкостный затво́р — liquid sealзатво́р задви́жки — valve gateзатво́р задви́жки, клиново́й — wedge gateзолоспускно́й затво́р — ash-discharge gateиго́льчатый затво́р — needle gateкатко́вый затво́р — roller-bearing gateкла́панный затво́р1. pivot-leaf [tilting] gate2. тепл. swing valveколошнико́вый затво́р — throat stopper, top gate (in blast-furnace)ко́нусный затво́р ( кран) — plug valve, plug cockкрышеви́дный затво́р — roof [bear-trap] gateла́зовый затво́р — man-hole coverзатво́р ли́фта, автомати́ческий — safety lockло́пастный затво́р тепл. — rotary valveзатво́р лотка́ — chute gateзатво́р на яче́йке Ке́рра, электроопти́ческий — Kerr(-cell) shutterоткидно́й затво́р — flap gateпа́льцевый затво́р горн. — finger gateплаву́чий затво́р — caisson [flood, water] gateпло́ский затво́р — plain gateпове́рхностный затво́р — crest [spillway crest] gateповоро́тный затво́р — wicket gateподъё́мный затво́р — (vertical) lift gateзатво́р полево́го транзи́стора — (control) gateзатво́р полево́го транзи́стора, изоли́рованный — insulated gateрабо́чий затво́р — service gateзатво́р резиносмеси́теля, ве́рхний — upper armзатво́р резиносмеси́теля, ни́жний — lower armремо́нтный затво́р — duplicate [guard] gateрту́тный затво́р — mercury seal, mercury cut-offсбро́совый затво́р — waste gateсегме́нтный затво́р — radial gateсе́кторный затво́р — sector [tainter] gateсухо́й (предохрани́тельный) затво́р ( в ацетиленовом генераторе) — dry back-pressure valveзатво́р трубы́ — pipe sealуравнове́шенный затво́р — balanced gateфотографи́ческий затво́р — shutterвзводи́ть фотографи́ческий затво́р — cock [wind] a shutterсинхронизи́ровать фотографи́ческий затво́р с блиц-ла́мпой — synch(ronize) a shutter for an electronic flash unitспуска́ть фотографи́ческий затво́р — release a shutterфотографи́ческий, па́дающий затво́р — drop shutterфотографи́ческий, центра́льный затво́р — diaphragm [between-lens] shutterфотографи́ческий, што́рный затво́р — curtain [focal-plane] shutterфотографи́ческий, щелево́й затво́р — slit [slot, split] shutterцепно́й затво́р горн. — chain gateша́ндорный затво́р — bulkhead [stop log] gateшарово́й затво́р — hail lockши́берный затво́р — slide gateшла́ковый затво́р — ash gateшпи́ндельный затво́р — stern gateэлектро́нно-опти́ческий затво́р — electronic shutter* * *
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