RU94029790A - Method of operation of metal continuous casting plant with curvilinear technological axis and apparatus for performing the same - Google Patents

Method of operation of metal continuous casting plant with curvilinear technological axis and apparatus for performing the same

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Publication number
RU94029790A
RU94029790A RU94029790/02A RU94029790A RU94029790A RU 94029790 A RU94029790 A RU 94029790A RU 94029790/02 A RU94029790/02 A RU 94029790/02A RU 94029790 A RU94029790 A RU 94029790A RU 94029790 A RU94029790 A RU 94029790A
Authority
RU
Russia
Prior art keywords
ingot
casting
mold
seed
rollers
Prior art date
Application number
RU94029790/02A
Other languages
Russian (ru)
Other versions
RU2083317C1 (en
Inventor
В.И. Уманец
В.И. Лебедев
И.В. Сафонов
С.М. Чиграй
А.Ф. Копылов
А.И. Бокачев
В.М. Мазуров
Original Assignee
Акционерное общество "Новолипецкий металлургический комбинат"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Акционерное общество "Новолипецкий металлургический комбинат" filed Critical Акционерное общество "Новолипецкий металлургический комбинат"
Priority to RU94029790/02A priority Critical patent/RU2083317C1/en
Publication of RU94029790A publication Critical patent/RU94029790A/en
Application granted granted Critical
Publication of RU2083317C1 publication Critical patent/RU2083317C1/en

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  • Continuous Casting (AREA)

Abstract

FIELD: metallurgy, namely, metal continuous casting systems. SUBSTANCE: method comprises steps of successive casting of casting ladles; introducing to mold before beginning of each casting process articulation joint type seed with head, provided with shaped cutout on its end; feeding metal to mold; drawing ingot out of it; supporting and directing ingot with use of drive and idle rollers along curvilinear technological axis; cooling surface of ingot by cooling agent sprayed from jets arranged between rollers; changing width of ingot being drawn; between casting operations of casting ladles performing descaling and removing layers of scum from surface of roller barrels along their edges by mechanical destruction over length of portion at end of barrel equal to (0.8-1.4)x(l-l) where l- length of roller barrel; l-width of ingot had been cast (0.8-1.4)- empirical factor. Apparatus for exploitation of plant for metal continuous casting with curvilinear technological axis includes mold and further arranged drive and idle rollers with variable gap between their barrels changing from its maximum value under the mold until minimum value at end of technological axis and articulation joint type seed having separate links with flexible members in their bodies and head with shaped cutout on its end. Seed is provided with additional joint-type links connected with terminal link of seed instead of head. Each additional link is provided with movable cover strips having corrugated outer surface and arranged in pairs at edges along link body at its opposite faces. Each pair of opposite cover strips has flexible members with limiters of displacement value of cover strips in the form of tie rods mounted in body of additional link. EFFECT: enhanced strength of rollers and high-quality of ingots.

Claims (1)

Изобретение относится к металлургии, конкретнее к непрерывной разливке металлов. Цель изобретения - повышение стойкости роликов и улучшение качества непрерывнолитых слитков. Это достигается тем, что производят последовательную разливку разливочных ковшей, вводят в кристаллизатор перед началом каждой разливки шарнирную затравку с головкой, снабженной фигурным вырезом на ее торце, подают металл в кристаллизатор, вытягивают из него слиток, поддерживают и направляют слиток при помощи приводных и холостых роликов вдоль криволинейной технологической оси, охлаждают поверхность слитка охладителем, распыливаемым форсунками, расположенными между роликами, изменяют ширину вытягиваемого слитка. Между разливками очередного разливочного ковша производят удаление слоев окалины и накипи с поверхности бочек роликов по их краям посредством механического разрушения. Удаление окалины и накипи осуществляют на длине участка с торца бочки, равном ( 0,8-1,4) х (1б - 1сл), где 1б - длина бочки ролика, 1- ширина ранее разливаемого слитка, 0,8-1,4 - эмпирический коэффициент. Кроме того, указанный технический эффект достигают тем, что устройство для эксплуатации установки непрерывной разливки металлов с криволинейной технологической осью включает кристаллизатор и далее расположенные приводные и холостые ролики с переменным зазором между бочками от максимального значения под кристаллизатором до минимального значения в конце технологической оси, а также шарнирную затравку, состоящую из отдельных звеньев с упругими элементами в их корпусах и головки с фигурным вырезом на ее торце. Затравка снабжена дополнительными шарнирно соединенными звеньями, присоединенными к крайнему звену затравки вместо головки. Каждое дополнительное звено снабжено подвижными накладками с рифленой внешней поверхностью, попарно расположенными по краям вдоль корпуса звена по его противоположным граням. Каждая пара противоположных накладок снабжена упругими элементами с ограничителями величины перемещения накладок в виде тяг, расположенных в корпусе дополнительного звена. Изобретение предназначено для применения на установках непрерывной разливки металлов. Изобретение поясняется рисунком.The invention relates to metallurgy, and more particularly to continuous casting of metals. The purpose of the invention is to increase the durability of the rollers and improve the quality of continuously cast ingots. This is achieved by the fact that casting ladles are sequentially casted, hinged seed with a head equipped with a curved cutout at its end is introduced into the mold before each casting, metal is fed into the mold, the ingot is pulled out of it, the ingot is supported and guided by means of idler and idler rollers along the curved technological axis, the surface of the ingot is cooled by a cooler sprayed by nozzles located between the rollers, the width of the drawn ingot is changed. Between the castings of the next casting ladle, the layers of scale and scale are removed from the surface of the roller barrels along their edges by mechanical destruction. Scale and scale removal is carried out on the length of the section from the end of the barrel, equal to (0.8-1.4) x (1 b - 1 sl ), where 1 b is the length of the barrel of the roller, 1 cl is the width of the previously cast ingot, 0.8 -1.4 is an empirical coefficient. In addition, this technical effect is achieved by the fact that the device for operating a continuous casting plant with a curved technological axis includes a mold and further drive and idle rollers with a variable gap between the barrels from the maximum value under the mold to the minimum value at the end of the technological axis, and hinged seed, consisting of individual links with elastic elements in their bodies and heads with a curly cut at its end. The seed is provided with additional pivotally connected links attached to the extreme link of the seed instead of the head. Each additional link is equipped with movable plates with a corrugated outer surface, pairwise located at the edges along the link body along its opposite faces. Each pair of opposite plates is equipped with elastic elements with limiters for the displacement of the plates in the form of rods located in the housing of the additional link. The invention is intended for use in plants for continuous casting of metals. The invention is illustrated in the figure.
RU94029790/02A 1994-08-09 1994-08-09 Method of operation of metal continuous casting plant with curvilinear technological axis and apparatus for performing the same RU2083317C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU94029790/02A RU2083317C1 (en) 1994-08-09 1994-08-09 Method of operation of metal continuous casting plant with curvilinear technological axis and apparatus for performing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU94029790/02A RU2083317C1 (en) 1994-08-09 1994-08-09 Method of operation of metal continuous casting plant with curvilinear technological axis and apparatus for performing the same

Publications (2)

Publication Number Publication Date
RU94029790A true RU94029790A (en) 1996-06-27
RU2083317C1 RU2083317C1 (en) 1997-07-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU94029790/02A RU2083317C1 (en) 1994-08-09 1994-08-09 Method of operation of metal continuous casting plant with curvilinear technological axis and apparatus for performing the same

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RU (1) RU2083317C1 (en)

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Publication number Publication date
RU2083317C1 (en) 1997-07-10

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20040810