KR20120094986A - Bus bar for holding furnace heater of continuous casting machine - Google Patents

Bus bar for holding furnace heater of continuous casting machine Download PDF

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Publication number
KR20120094986A
KR20120094986A KR1020110014339A KR20110014339A KR20120094986A KR 20120094986 A KR20120094986 A KR 20120094986A KR 1020110014339 A KR1020110014339 A KR 1020110014339A KR 20110014339 A KR20110014339 A KR 20110014339A KR 20120094986 A KR20120094986 A KR 20120094986A
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South Korea
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bar
carbon
bus bar
rod body
continuous casting
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KR1020110014339A
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Korean (ko)
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KR101239700B1 (en
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김근식
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김근식
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/18—Controlling or regulating processes or operations for pouring
    • B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
    • B22D11/186—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level by using electric, magnetic, sonic or ultrasonic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B14/14—Arrangements of heating devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/02—Single bars, rods, wires, or strips

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Resistance Heating (AREA)

Abstract

PURPOSE: A bus bar for a heater for a holding furnace of a continuous casting machine is provided to effectively cool a carbon bar because a cooper bar having a cooling unit is assembled in one side of the carbon bar. CONSTITUTION: A bus bar(10) for a heater for a holding furnace of a continuous casting machine comprises a carbon bar(20) and a copper bar(30). The carbon bar has a joining piece(24) and a screw hole. The joining piece is formed in one side of a main body(21). The screw hole is formed in the other side of the joining piece. The copper bar has a fastening piece(34), a screw rod, and a cooling hole(36). The fastening piece is formed in one side of a main body(31). The screw rod is formed in the other side of the fastening piece. The cooling hole is bored through the main body. The screw rod of the copper bar is thread coupled to the screw hole of the carbon rod so that the copper bar can be assembled to one side of the carbon bar. A cooling water supply pipe(40) is fitted in the cooling hole of the copper bar.

Description

연속주조기의 보온로 가열히터용 부스바{BUS BAR FOR HOLDING FURNACE HEATER OF CONTINUOUS CASTING MACHINE}BUS BAR FOR HOLDING FURNACE HEATER OF CONTINUOUS CASTING MACHINE}

본 발명은 연속주조기의 보온로 외주면에 설치된 발열히터에 전원을 공급하기 위한 부스바의 개량에 관한 것으로서, 특히 부스바의 내구성 및 발열효율을 향상시킬 수 있게 구성한 것이다.The present invention relates to an improvement of a bus bar for supplying power to a heating heater installed on an outer circumferential surface of a heating furnace of a continuous casting machine, and is particularly configured to improve the durability and heating efficiency of the bus bar.

일반적으로 연속주조기는 제강공정에서 나온 용강을 이용하여 각종 중간소재(슬래브, 블룸, 빌렛 등)를 만드는 기계장치로서, 통상적으로 용해로에서 용해된 용강을 보온로로 이송시키고, 상기 보온로에 유입된 용강을 냉각시키면서 연속으로 중간제품을 제조하게 되며, 이때 보온로에는 용강이 냉각되어 응고되지 않도록 하기 위하여 발열히터를 통하여 적정온도를 유지케 하고 있다.In general, the continuous casting machine is a mechanical device for making various intermediate materials (slab, bloom, billet, etc.) using molten steel from the steelmaking process, and typically, the molten steel dissolved in the melting furnace is transferred to the thermal furnace, and the thermal furnace is introduced into the thermal furnace. The intermediate product is continuously manufactured while cooling the molten steel. At this time, in order to prevent the molten steel from being cooled and solidified in the heating furnace, an appropriate temperature is maintained through the exothermic heater.

상기에서 보온로에 설치된 발열히터는 전기의 저항에 의해 발열되며 상기 발열히터와 케이블은 부스바를 통하여 전기적으로 연결된다.The heating heater installed in the heating furnace is generated by the resistance of the electricity and the heating heater and the cable is electrically connected through the busbar.

종래 사용되고 있는 부스바는 카본봉체로만 구성되면서, 저항에 의해 발열이 되며, 상기에서 발열된 부스바는 소재의 특성상 산화현상이 발생하면서 발열기능이 떨어지게 되므로 부스바의 잦은 교체가 요구되고, 교체에 따른 비용낭비와 생산성 저하 등의 문제가 있는 것이었다.Conventionally used busbars are composed of only carbon rods, and are heated by resistance, and the busbars that are heated above require frequent replacement of the busbars due to the deterioration of the heat generation function due to oxidation phenomenon. There was a problem such as waste of cost and productivity.

본 발명은 이러한 종래의 문제점을 해결하기 위한 것으로서, 연속주조기의 보온로에 설치된 발열히터에 전기공급을 위한 부스바를 구성하되, 부스바의 내구성을 향상시켜 장기간 사용할 수 있게 함과 동시에 발열효율을 향상시킬 수 있게 한 것이다.The present invention is to solve such a conventional problem, but to configure a bus bar for supplying electricity to the heating heater installed in the heating furnace of the continuous casting machine, to improve the durability of the bus bar to enable long-term use and to improve the heating efficiency It was made possible.

상기 과제를 해결하기 위한 수단으로서, 본 발명은 연속주조기에 구성된 보온로의 발열히터와 케이블을 연결함과 동시에 발열히터가 발열되게 하는 부스바를 구성함에 있어서, 상기 부스바를 카본봉체 일측에 구리봉체가 조립구성되게 하되, 카본봉체의 길이를 종래 부스바를 구성하는 카본봉체의 길이보다 짧게 구성하여 저항(R)은 감소, 전류(I)는 높아지게 함과 동시에 구리봉체 내면에 냉각공을 뚫어 냉각수가 순환되게 함으로서 카본봉체를 효과적으로 냉각, 산화를 방지케 하고, 따라서 부스바의 내구성을 향상시켜 한번 셋팅된 부스바를 장시간 사용할 수 있게 하고, 또한 효과적인 발열이 이루어질 수 있게 한 것이다.As a means for solving the above problems, the present invention is to connect the heating heater and the cable of the heating furnace configured in the continuous casting machine and at the same time to configure the bus bar to heat the heating heater, the bus bar is assembled to the copper rod body on one side of the carbon rod body Although the length of the carbon rod is shorter than the length of the carbon rod constituting the conventional busbar, the resistance (R) is reduced, the current (I) is increased, and at the same time, the cooling water is circulated in the copper rod to circulate the cooling water. By effectively cooling the carbon rods and preventing oxidation, thereby improving the durability of the busbars so that the busbars once set can be used for a long time, and also effective heat generation can be achieved.

본 발명은 연속주조기에 구성된 보온로의 발열히터에 전기를 공급하기 위한 부스바를 구성하되, 부스바를 카본봉체 일측에 냉각수단이 구비된 구리봉체를 조립구성하여 카본봉체의 냉각이 효과적으로 이루어질 수 있게 함으로서 부스바의 산화현상을 방지, 내구성을 향상시켜 한번 셋팅된 부스바를 장시간 사용할 수 있게 함과 동시에, 발열효율을 높일 수 있게 되는 등의 효과가 있는 것이다.The present invention constitutes a bus bar for supplying electricity to the heating heater of the heating furnace configured in the continuous casting machine, by assembling the copper bar body having a cooling means on one side of the carbon bar body to effectively cool the carbon rod body By preventing oxidation of the busbars, improving durability, the busbars once set can be used for a long time, and the heat generation efficiency can be increased.

도 1 : 본 발명에서 제공하고자 하는 부스바의 사시도
도 2 : 도 1의 분해구성도
도 3 : 도 1의 요부단면구성도
도 4 : 본 발명의 사용상태도1 is a perspective view of a bus bar to be provided in the present invention
2 is an exploded view of FIG.
3 is a sectional view showing the main part of FIG.
4 is a state diagram of use of the present invention

이하 본 발명의 실시예를 첨부도면에 따라 상세히 설명하면 다음과 같다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1 내지 도 3은 본 발명에서 제공하고자 하는 부스바(10)의 구성을 알 수 있게 도시한 도면이고, 도 4는 사용상태도로서, 본 발명의 부스바(10)는 카본봉체(20)와 구리봉체(30)로 분리구성된다.1 to 3 is a view showing the configuration of the bus bar 10 to be provided in the present invention, Figure 4 is a state diagram used, the bus bar 10 of the present invention is a carbon rod 20 and The copper rod body 30 is separated.

상기 카본봉체(20)는 원통형의 본체(21) 일측에 절삭면(22)과 체결공(23)이 뚫린 체결편(24)이 구성되어 있고, 체결편(24) 반대편에는 나사공(25)이 뚫려 있다.The carbon rod 20 has a fastening piece 24 having a cutting surface 22 and a fastening hole 23 formed at one side of a cylindrical body 21, and a screw hole 25 opposite to the fastening piece 24. This is pierced.

상기 카본봉체(20)와 결합되는 구리봉체(30)는 원통형의 본체(31) 일측에 나사봉(35)을 구성하고, 상기 나사봉(35) 반대편에는 절삭면(32)과 결합공(33)이 뚫린 결합편(34)을 구성하되, 본체(31) 내면에는 냉각공(36)이 관통구성되며, 상기 구리봉체(30)의 나사봉(35)을 카본봉체(20)의 나사공(25)에 나사결합하여 이들이 조립구성되게 하고, 상기한 상태에서 냉각공(36) 내면 중앙에 냉각수 공급관(40)이 위치되게 하여서 된 것이다.The copper rod body 30 coupled to the carbon rod body 20 constitutes a screw rod 35 on one side of the cylindrical body 31, and a cutting surface 32 and a coupling hole 33 on the opposite side of the screw rod 35. ), The coupling piece 34 is formed, but the cooling hole 36 is penetrated through the inner surface of the main body 31, and the screw rod 35 of the copper rod body 30 is screwed into the carbon rod body 20. 25) to be assembled by screwing, so that the cooling water supply pipe 40 is located in the center of the inner surface of the cooling hole 36 in the above state.

미설명부호 (50)은 보온로, (51)은 발열히터이다.Reference numeral 50 denotes a heating furnace, and 51 denotes a heating heater.

이와 같이 구성된 본 발명은 도 4에서와 같이 부스바(10)를 구성하는 카본봉체(20) 일측 체결편(24)의 절삭면(22)을 발열히터(51) 일측에 위치시킨 다음 체결공(23)을 이용하여 부스바(10)를 양측에 나란히 체결고정하고, 상기한 상태에서 구리봉체(30) 일측에 구성된 결합편(34)에 케이블의 +선과 -선을 각각 연결한 다음 전원을 공급시키면 발열히터(51)가 발열되면서 보온로(10)를 가열하게 되므로 용해로(도시안됨)에서 용해된 금속용탕을 보온로(10)에 유입된 상태에서 용탕이 냉각되지 않고 용해된 상태를 유지되게 한다는 것은 종래와 같다.In the present invention configured as described above, the cutting surface 22 of the one side fastening piece 24 of the carbon rod body 20 constituting the busbar 10 is positioned at one side of the heating heater 51 as shown in FIG. 23) by fastening the busbars 10 on both sides side by side, and in the above state, the + and-wires of the cable are respectively connected to the coupling pieces 34 formed on one side of the copper rod body 30, and then the power is supplied. When the heating heater 51 is heated, the heating furnace 10 is heated, so that the molten metal melted in the melting furnace (not shown) is kept in the molten state without being cooled while flowing into the heating furnace 10. It is the same as before.

그러나 본 발명에서는 부스바(10)를 구성하는 카본봉체(20)가 고온으로 발열이 되더라도 일측에 조립구성된 구리봉체(30)의 냉각수단에 의해 냉각되므로 산화현상을 방지하게 된다.However, in the present invention, even if the carbon rod 20 constituting the busbar 10 is heated to a high temperature, the oxidation phenomenon is prevented because it is cooled by the cooling means of the copper rod 30 assembled on one side.

즉 발열된 카본봉체(20)의 열은 구리봉체(30)로 전달되고, 구리봉체(30)에 전달된 열은 냉각수 공급관(40)을 통하여 공급되는 냉각수에 의해 냉각이 된다.That is, the heat of the carbon rod body 20 that is heated is transferred to the copper rod body 30, and the heat transferred to the copper rod body 30 is cooled by the cooling water supplied through the cooling water supply pipe 40.

상기 냉각과정을 설명하면 구리봉체(30)의 냉각공(36)에 끼워진 냉각수 공급관(40)을 통하여 냉각수가 공급되고, 공급된 냉각수는 도 3에서와 같이 카본봉체(20)와 연결되는 냉각공(36) 내부에 토출되어, 카본봉체(20)를 직접 냉각시킨 다음 냉각공(36)을 통하여 외부로 이동하면서 구리봉체(30)를 2차로 냉각시키게 된다.Referring to the cooling process, the cooling water is supplied through the cooling water supply pipe 40 inserted into the cooling hole 36 of the copper rod 30, and the supplied cooling water is connected to the carbon rod 20 as shown in FIG. 3. The liquid is discharged inside the 36, and the carbon rod 20 is directly cooled, and then the copper rod 30 is secondarily cooled while moving to the outside through the cooling hole 36.

본 발명에서 제공하고자 하는 부스바(10)는 보온로(50)에만 적용되는 것이 아니라 진공열처리로 등과 같이 카본봉체를 이용하여 발열히터가 가열되게 하는 모든 부스바에 적용이 가능하다.The bus bar 10 to be provided in the present invention is applicable not only to the thermal insulation furnace 50 but also to all the bus bars to heat the exothermic heater using a carbon rod such as a vacuum heat treatment furnace.

뿐만 아니라 본 발명에서 제공하고자 하는 부스바(10)는 구리봉체(30)와 카본봉체(20)를 결합구성케 함으로서 상대적으로 카본봉체(20)의 길이가 짧아지게 되므로 카본봉체(20)의 저항은 감소하게 되고, 전류는 높아지게 되어 열효율을 증진시킬 수 있게 된다.In addition, the bus bar 10 to be provided in the present invention has a resistance of the carbon rod 20 because the length of the carbon rod 20 is relatively shortened by allowing the copper rod 30 and the carbon rod 20 to be combined. Is reduced and the current is increased to improve the thermal efficiency.

(10)--부스바 (20)--카본봉체
(21)--본체 (22)--절삭면
(23)--체결공 (24)--체결편
(25)--나사공 (30)--구리봉체
(31)--본체 (32)--절삭면
(33)--결합공 (34)--결합편
(35)--나사봉 (36)--냉각공
(40)--냉각수 공급관(10)-Busba (20)-Carbon Bon
(21)-body (22)-cutting surface
(23)-Freezing (24)-Freezing
(25)-Threader (30)-Copper Rod
(31)-body (32)-cutting surface
(33)-Joining Holes (34)-Joining Pieces
(35)-Screw Rod (36)-Cooler
40--coolant supply line

Claims (1)

연속주조기의 보온로에 설치된 발열히터에 전원을 공급하여 발열히터가 가열되게 하는 통상의 부스바를 구성함에 있어서, 부스바(10)를 카본봉체(20)와 구리봉체(30)로 분리구성하되, 상기 카본봉체(20)를 구성하는 본체(21) 일측에 체결편(24)을 구성하고, 상기 체결편(24) 타측에 나사공(25)을 구성하고, 구리봉체(30)는 본체(31) 일측에 결합편(34)을 구성하고, 상기 결합편(34) 타측에는 나사봉(35)을 구성하고, 본체(31) 내면에는 냉각공(36)을 뚫어 관통되게 하고, 상기 구리봉체(30)의 나사봉(35)이 카본봉체(20)의 나사공(25)에 나사결합되게 하여, 카본봉체(20) 일측에 구리봉체(30)가 조립구성되게 하고, 상기 구리봉체(30)의 냉각공(36) 내면에 냉각수 공급관(40)이 끼워질 수 있게 구성함을 특징으로 하는 연속주조기의 보온로 가열히터용 부스바.In constructing a conventional bus bar that supplies power to the heating heater installed in the heat-supply furnace of the continuous casting machine, the heating bar is heated, and the bus bar 10 is separated into the carbon rod body 20 and the copper rod body 30, The fastening piece 24 is formed on one side of the main body 21 constituting the carbon rod body 20, the screw hole 25 is formed on the other side of the fastening piece 24, and the copper bar 30 is the main body 31. A coupling piece 34 is formed at one side, and a screw rod 35 is formed at the other side of the coupling piece 34, and a cooling hole 36 is penetrated through the inner surface of the main body 31, and the copper rod body ( The screw rod 35 of the 30 is screwed to the screw hole 25 of the carbon rod body 20, so that the copper rod body 30 is assembled to one side of the carbon rod body 20, and the copper rod body 30 Bus bar for heating heater heating furnace of the continuous casting machine, characterized in that the cooling water supply pipe 40 is configured to be fitted to the inner surface of the cooling hole (36).
KR1020110014339A 2011-02-18 2011-02-18 Bus bar for holding furnace heater of continuous casting machine KR101239700B1 (en)

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KR101340805B1 (en) 2013-09-06 2013-12-11 대동콘덴서공업(주) Heat treatment instruments capacitor unit
KR101471336B1 (en) * 2014-04-30 2014-12-12 대동콘덴서공업(주) Heat treatment instruments capacitor unit

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JP2006271063A (en) * 2005-03-23 2006-10-05 Mitsubishi Electric Corp Cooling structure of bus bar
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Publication number Priority date Publication date Assignee Title
CN112847984A (en) * 2021-01-14 2021-05-28 广州超力管业有限公司 Cooling device for HDPE pipeline manufacturing
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