WO2012134036A1 - 전기로용 지붕 - Google Patents
전기로용 지붕 Download PDFInfo
- Publication number
- WO2012134036A1 WO2012134036A1 PCT/KR2011/010138 KR2011010138W WO2012134036A1 WO 2012134036 A1 WO2012134036 A1 WO 2012134036A1 KR 2011010138 W KR2011010138 W KR 2011010138W WO 2012134036 A1 WO2012134036 A1 WO 2012134036A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- roof
- panel
- small ceiling
- cooling
- electric furnace
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/02—Crowns; Roofs
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- 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
- F27B14/10—Crucibles
- F27B14/12—Covers therefor
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
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- 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
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
- F27B3/085—Arc furnaces
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- 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
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/12—Working chambers or casings; Supports therefor
- F27B3/16—Walls; Roofs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/02—Crowns; Roofs
- F27D1/025—Roofs supported around their periphery, e.g. arched roofs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/12—Casings; Linings; Walls; Roofs incorporating cooling arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
- F27D1/1808—Removable covers
- F27D1/1816—Removable covers specially adapted for arc furnaces
Definitions
- the present invention relates to an roof for an electric furnace that opens and covers an upper portion of an electric furnace, and more particularly, to an roof for an electric furnace that can improve the safety and convenience of an operator during the improvement of the service life of the roof and the repair of the roof.
- an electric furnace is a facility for manufacturing steel by dissolving and refining raw materials such as iron by arc heat generated between electrodes and scrap by applying current to a plurality of electrodes.
- raw materials such as scraps are charged through a crane or the like while the roof covering the upper part is opened, and high voltage is applied by applying a high voltage through a plurality of electrodes vertically connected to the roof covering the upper part of the electric furnace.
- the raw material is dissolved by heat.
- molten steel in which raw materials, such as scrap, are melted, is moved and filled by tapping holes through tapping holes formed in the lower part of the electric furnace, and the molten steel filled ladles are moved to another process by a transport cart provided to be capable of traveling.
- the above-mentioned roof is charged with scrap into an electric furnace to effectively block and discharge a large amount of fume generated in the electric furnace during melting operation, and prevents noise and splash slag generated during melting operation from being scattered to the outside.
- the present invention increases the inclination angle of the roof lower panel and applies a ceramic heat-resistant coating, thereby preventing the roof lower panel from being damaged by deterioration and preventing the roof lower panel from sparking. It is possible to provide a roof for an electric furnace that can be expected to improve the service life of the roof.
- the present invention is to provide a roof for an electric furnace that can prevent the fall due to carelessness of the operator during the roof repair work by installing a safety structure to promote the safety of the worker during the roof repair.
- the present invention by providing a dust barrier member on the elevating structure that is provided on the upper panel of the roof and connected to the elevating cylinder when the roof is elevated, for the electric furnace that can solve the trouble to remove the dust accumulated inside the elevating structure when the roof is elevated It is to provide a roof.
- the roof for an electric furnace of the present invention for achieving the above object is a small ceiling seating surface having an annular small ceiling seating surface, and a small ceiling seating surface extending radially narrowly from the inner circumferential surface of the small ceiling seating surface to a lower portion of the small ceiling seating surface. phrase; And a roof upper panel which is disposed to surround the small ceiling seat and extends radially with an inclination angle lowered from the small ceiling seat, and a roof lower panel which is spaced at a predetermined distance from the lower part of the upper roof panel, and a roof upper panel.
- a large ceiling having a roof side panel connected to surround an extended end of the lower panel of the roof; the upper panel of the roof is connected to the outer circumferential surface of the small ceiling seat, and the lower panel of the roof is to increase the inclination angle. It can be connected to the bottom.
- a plurality of slag catchers are mounted on the roof lower panel, and a coating layer and a heat resistant layer may be sequentially formed on the roof lower panel including the slag catcher.
- a cooling flow path is provided in the roof side panel, the roof lower panel, and the roof upper panel, and a plurality of injection pipes for spraying the cooling fluid are arranged radially connected to each other in the cooling flow path, and at least one minute
- the pipe is connected to the cooling fluid supply pipe for supplying the cooling water from the outside, the roof side panel, the cooling fluid injected into the cooling flow path may be discharged through the cooling fluid discharge pipe mounted on the roof side panel.
- the roof top panel is provided with a check hole corresponding to the injection pipe, each of the check hole can be covered by a check cover, which is pivotally connected by the roof top panel and the hinge.
- the large ceiling further includes a safety structure, the safety structure comprising: a plurality of struts mounted along an edge of the roof upper panel; And a handrail having a pair of vertical legs fitted to one of the support posts and the adjacent support posts, and a horizontal beam connecting the upper portions of the legs.
- the holding post is equipped with a cooling tube, so as to cool the heat transferred from the electric furnace, and the cooling tube is arranged to horizontally connect one of the supporting posts with another adjacent supporting post, and from the outside to the cooling tube
- a cooling fluid supply pipe for supplying cooling water and a cooling fluid discharge pipe for discharging the cooling water in the cooling pipe may be connected.
- the large ceiling further includes a lifting structure, the lifting structure comprising: a pair of horizontal support arms extending from the roof upper panel adjacent to the small ceiling seat to the edge of the roof upper panel; A pair of vertical support arms provided at an edge of the roof upper panel to support the horizontal support arms; A connection block mounted on an outer surface of the vertical support arm and connected to a lifting cylinder disposed outside of the roof when the roof is lifted; And a dust blocking member that prevents dust from accumulating inside the lifting structure.
- the shielding panel fixedly mounted on the outer surface of the dust blocking member, the horizontal support arm and the vertical support arm; And a blocking cover disposed on an upper portion of the pair of horizontal support arms, wherein the blocking cover can be pivotally connected by any one of the horizontal support arms and the hinge to block the pair of horizontal support arms.
- FIG. 1 is a perspective view showing a roof for an electric furnace according to the present invention
- FIG 2 is a perspective view showing a part of the roof for the electric furnace according to the present invention shown in Figure 1,
- FIG. 3 is an enlarged view of a portion “A” of FIG. 2;
- FIG. 4 is a perspective view showing a coupled state of the safety structure shown in FIG.
- FIG. 5 is an enlarged perspective view illustrating the lifting structure shown in FIG. 1.
- FIG. 1 is a view showing a roof for an electric furnace according to the present invention, the roof 100 for the furnace is a small ceiling seating 120 and the small ceiling seating 120 is seated on the small ceiling (110) 130;
- Small ceiling 110 is composed of castable refractories, or concrete (concrete).
- the small ceiling 110 is formed with an electrode hole 114 into which three electrode bars 112 are inserted, and the electrode 112 is mounted on an electrode arm (not shown) provided above the small ceiling 110.
- the vertical adjustment is automatically performed during the furnace operation to maintain the arc distance on the lower end of the electrode 112 and the upper surface of the molten filler.
- the small ceiling seating hole 120 on which the small ceiling 110 is seated is horizontally disposed while having an annular shape.
- a small ceiling seating surface 122 is formed at an upper portion of the small ceiling seating 120, and a small ceiling support surface 124 is formed on an inner circumferential surface of the small seating seat 120.
- Small ceiling support 124 extends radially narrowed from the upper side of the inner peripheral surface of the small ceiling seat 120 to the lower side.
- the small ceiling support 124 is in close contact with the iron shell 116 disposed to surround the outer circumferential surface of the small ceiling 120.
- the small jaw mounting surface 122 is seated on the locking jaw 118 formed in the steel shell 116 is seated.
- the large ceiling 130 is connected to the roof top panel 132, the roof top panel 132 and the roof bottom panel 134 spaced apart from the top end of the roof top panel 132 and the roof bottom panel 134
- the roof side panel 136 is provided.
- the roof upper panel 132 extends radially with an inclined angle lowering from the outer circumferential surface of the small ceiling seat 120.
- the roof lower panel 134 extends radially with an inclination angle lowered from the lower part of the small ceiling support 124.
- the angle ⁇ is formed to have an angle ⁇ of 19 to 25 degrees, preferably 20.1 to 20.5 degrees.
- the slag catcher 138 is mounted on the roof lower panel 134 facing the molten metal, and the coating layer 139 and the heat resistant layer 140 are sequentially formed on the roof lower panel 134 on which the slag catcher 138 is mounted. do.
- the slag catcher 138, the coating layer 139, and the heat resistant layer 140 prevent the roof lower panel 134 from being damaged due to heat sheared from the molten metal.
- the slag catcher 138 has a roughly “U” shape to catch the slag and prevent the catched slag from flowing down easily.
- the coating layer 139 any one of Al, Ni, Cr, Al alloy, Ni alloy, Cr alloy, or super heat-resistant alloy is thermally coated, and the heat-resistant layer 140 is a heat-resistant ceramic during thermal spraying or enamel coating. It is formed by either method.
- the cooling passage 142 inside the large ceiling 130 that is, the roof side panel 136, the roof lower panel 134 and the roof upper panel 132 to cool the heat transferred from the electric furnace.
- a plurality of injection pipes 144 for injecting cooling fluids are disposed in the cooling flow path 142.
- the injection pipes 144 of the cooling channel 142 are connected to each other and disposed radially on the cooling channel 142.
- any one or more injection pipe 144 is connected to the cooling fluid supply pipe 146 for supplying the cooling fluid from the outside, the cooling fluid injected into the cooling flow path 142 is discharged through the cooling fluid discharge pipe 148 do.
- the cooling fluid supply pipe 146 is connected to the injection pipe 144 through the roof side panel 136, and the cooling fluid discharge pipe 148 is preferably mounted to the roof side panel 136.
- the roof upper panel 132 is provided with an inspection port 150 corresponding to each injection pipe 144, and each inspection port 150 is connected to the roof upper panel 132 and the hinge. It is covered by a checker cover 152 which is pivotally connected.
- the large ceiling 130 is further provided with a safety structure 154 and the lifting structure 170. And it will be appreciated by anyone that the large ceiling 130 is further provided with a dust collecting elbow 184 and the auxiliary material inlet 186.
- Safety structure 154 is provided to the large ceiling 130 to promote the safety of the worker during the roof 100 repair work.
- the safety structure 154 has a plurality of struts 156 having a vertical cylindrical shape, and a handrail 164 selectively fitted to the strut 156, as shown in FIG. 4.
- the strut 156 is vertically mounted along the edge of the roof upper panel 132 while maintaining a predetermined gap.
- the support stand 156 is equipped with a cooling tube 158 to cool the heat transferred from the electric furnace.
- the cooling pipe 158 is arranged to horizontally connect one of the support posts 156 and another adjacent support post 156, and another cooling water supply pipe 160 for supplying cooling water from the outside to the cooling pipe 158. ), And another cooling water discharge pipe 162 for discharging the cooling water in the cooling pipe 158 is connected.
- the handrail 164 is fitted into the support base 156 on which the cooling pipe 158 is disposed.
- the handrail 164 includes a pair of vertical legs 166 fitted to any one strut 156 and a neighboring strut 156 and one or more horizontal beams connecting the upper portions of the vertical legs 166. 168.
- the handrail 164 formed as described above is fitted to the support stand 156 by an operator only during the repair work of the roof 100. That is, the worker mounts the handrail 164 on the support base 156 adjacent to the work position to protect himself from the danger of falling from the roof 100.
- the elevating structure 170 is provided to the large ceiling 130 to elevate the roof 100, the elevating structure 170 when the roof 100 is elevating the lifting cylinder (outside the roof 100 is disposed ( Not shown) is connected. And the lifting structure 170 is installed on the roof 100 to match the center of gravity so that the roof 100 does not tilt to one side when the roof 100 is elevated.
- the lifting structure 170 includes a horizontal support arm 172 and a vertical support arm 174.
- the horizontal support arms 172 are provided in pairs, and extend horizontally from the roof upper panel 132 adjacent to the small ceiling seat 120 to the edge side of the roof upper panel 132.
- the vertical support arms 174 are provided in pairs at the edges of the upper roof panel 132, and the roof upper panels 132 are connected to the horizontal support arms 172 extending toward the edges to form the horizontal support arms 172. I support it.
- On the outer surface of the vertical support arm 174 is mounted to the connection block 176 is connected to the lifting cylinder when the roof 100 is elevated.
- the lifting structure 170 further includes a dust blocking member 178.
- the dust blocking member 178 prevents dust from accumulating inside the elevating structure 170, and the dust blocking member 178 blocks the both sides of the elevating structure 170, and the elevating structure 170. It is provided with a blocking cover 182 for blocking the upper portion.
- the blocking panel 180 is disposed on the outer surface of the horizontal support arm 172 and the vertical support arm 174 so that dust does not flow between any one of the horizontal support arms 172 and the adjacent vertical support arms 174. It is fixedly mounted on.
- the blocking cover 182 is disposed on the upper portion of the horizontal support arm 172 so that dust does not flow between the pair of horizontal support arm 172, this blocking cover 182 is any one of the horizontal support arm 172 And pivotally connected by a hinge and intercept a pair of horizontal support arms 172.
- the roof 100 for an electric furnace increases the inclination angle of the roof lower panel 134 of the large ceiling 130 and increases the height of the ceiling, thereby charging a large amount of scrap scrap. Since the connection between the roof lower panel 134 and the small ceiling seat 120 is farther away, it is possible to prevent the connection from being damaged due to deterioration. In addition, by attaching the slag catcher 138 to the roof lower panel 134 and applying the ceramic heat-resistant paint 140, it is possible to protect the roof lower panel 134 from sparks.
- the roof 100 for an electric furnace by installing a safety structure 154 having a support base 156 and a railing 164 fitted to the support base 156 in the roof upper panel 132, (100)
- a safety structure 154 having a support base 156 and a railing 164 fitted to the support base 156 in the roof upper panel 132, (100)
- a safety accident such as a worker falling from the roof 100 in advance, and to give a sense of safety to the worker working on the roof 100.
- the roof 100 for an electric furnace prevents dust and the like from accumulating in the elevating structure 170 by providing a dust blocking member 178 for closing the upper and both sides of the elevating structure 170.
- a dust blocking member 178 for closing the upper and both sides of the elevating structure 170.
- injection pipe 150 check hole
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
Description
Claims (11)
- 수평한 환형의 소천장안착면, 및 상기 소천장안착면의 내주면에서 상기 소천장안착면의 하부로 방사상 좁아지게 연장되는 소천장지지면,을 가지는 소천장안착구; 및상기 소천장안착구를 감싸도록 배치되며 상기 소천장안착구에서부터 낮아지는 경사각을 가지면서 방사형으로 연장되는 지붕상부패널과, 상기 지붕상부패널의 하부에 일정간격으로 이격 설치된 지붕하부패널, 및 상기 지붕상부패널과 상기 지붕하부패널의 연장단을 감싸면서 연결되는 지붕측면패널을 가지는 대천장;을 포함하며,상기 지붕상부패널은 상기 소천장안착구의 외주면에 연결되며, 상기 지붕하부패널은 경사각이 증대될 수 있도록 상기 소천장지지면의 하부와 연결되는, 전기로용 지붕.
- 청구항 1에 있어서,상기 지붕하부패널에는 다수의 슬래그 캐처가 장착되고,상기 슬래그 캐처를 포함하는 상기 지붕하부패널에는 코팅층 및 내열층이 순차적으로 형성되는 전기로용 지붕.
- 청구항 2에 있어서,상기 코팅층은,Al, Ni, Cr, Al합금, Ni합금, Cr합금, 및 초내열합금 중 어느 하나가 용사코팅되는 전기로용 지붕.
- 청구항 2에 있어서,상기 내열층은,내열소재인 세라믹이 용사코팅 및 법랑코팅 중 어느 하나에 의해 형성되는 전기로용 지붕.
- 청구항 1에 있어서,상기 지붕측면패널, 상기 지붕하부패널 및 상기 지붕상부패널의 내부에는 냉각유로,가 제공되고,상기 냉각유로에는 냉각유체를 분사하는 다수의 분사관이 방사상으로 서로 연결되게 배치되는 전기로용 지붕.
- 청구항 5에 있어서,적어도 어느 하나의 상기 분사관은 외부에서부터 냉각유체를 공급하는 냉각유체 공급관,이 상기 지붕측면패널을 통해 연결되고, 상기 냉각유로에 분사된 냉각유체는 상기 지붕측면패널에 장착된 냉각유체 배출관,을 통해 배출되는 전기로용 지붕.
- 청구항 5에 있어서,상기 지붕상부패널에는 상기 분사관에 대응하는 점검구가 형성되며,각각의 상기 점검구는 상기 지붕상부패널과 힌지에 의해 선회가능하게 연결되는 점검구덮개,에 의해 덮어지는 전기로용 지붕.
- 청구항 1에 있어서,상기 대천장은, 안전구조물을 더 구비하며,상기 안전구조물은,상기 지붕상부패널의 가장자리를 따라 장착되는 다수의 지주대; 및어느 하나의 상기 지주대 및 이웃한 상기 지주대에 끼워지는 한 쌍의 수직한 다리, 및 상기 다리의 상부를 연결하는 수평 빔,을 가지는 난간;을 포함하는 전기로용 지붕.
- 청구항 8에 있어서,상기 지주대에는 전기로에서 전달되는 열을 냉각시킬 수 있도록 냉각관,이 장착되고,상기 냉각관은 어느 하나의 상기 지주대와 이웃한 또 다른 상기 지주대를 수평하게 연결하도록 배치되며, 상기 냉각관에는 외부에서부터 냉각수를 공급하는 냉각수공급관, 및 상기 냉각관 내의 냉각수를 배출하는 냉각수배출관,이 연결되는 전기로용 지붕.
- 청구항 1에 있어서,상기 대천장은, 승강구조물을 더 구비하며,상기 승강구조물은,상기 소천장안착구에 인접한 상기 지붕상부패널에서 상기 지붕상부패널의 가장자리 측으로 연장되는 한 쌍의 수평지지암;상기 지붕상부패널의 가장자리에 제공되어 상기 수평지지암을 지지하는 한 쌍의 수직지지암;상기 수직지지암의 외측면 상에 장착되고 상기 지붕 승강 시 상기 지붕의 외부에 배치된 승강실린더가 연결되는 연결블록; 및상기 승강구조물 내부로 분진이 쌓이지 않도록 하는 분진차단부재;를 포함하는 전기로용 지붕.
- 청구항 10에 있어서,상기 분진차단부재,상기 수평지지암 및 상기 수직지지암의 외측면 상에 고정 장착되는 차단패널; 및한 쌍의 수평지지암의 상부에 배치되는 차단덮개;를 포함하며,상기 차단덮개는 어느 하나의 상기 수평지지암과 힌지에 의해 선회가능하게 연결되면서 한 쌍의 상기 수평지지암 사이를 차단하는 전기로용 지붕.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180069762.1A CN103459961B (zh) | 2011-03-30 | 2011-12-27 | 电炉的顶盖 |
JP2014502438A JP5719474B2 (ja) | 2011-03-30 | 2011-12-27 | 電気炉用屋根 |
EP11862482.4A EP2693144B1 (en) | 2011-03-30 | 2011-12-27 | Roof for electric furnace |
US14/040,369 US10132566B2 (en) | 2011-03-30 | 2013-09-27 | Roof for electric furnace |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20110028501 | 2011-03-30 | ||
KR10-2011-0028501 | 2011-03-30 | ||
KR20110040074 | 2011-04-28 | ||
KR10-2011-0040074 | 2011-04-28 | ||
KR10-2011-0123634 | 2011-11-24 | ||
KR1020110123634A KR101293060B1 (ko) | 2011-03-30 | 2011-11-24 | 전기로용 지붕 |
Related Child Applications (1)
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US14/040,369 Continuation US10132566B2 (en) | 2011-03-30 | 2013-09-27 | Roof for electric furnace |
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WO2012134036A1 true WO2012134036A1 (ko) | 2012-10-04 |
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PCT/KR2011/010138 WO2012134036A1 (ko) | 2011-03-30 | 2011-12-27 | 전기로용 지붕 |
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US (1) | US10132566B2 (ko) |
EP (1) | EP2693144B1 (ko) |
JP (1) | JP5719474B2 (ko) |
KR (1) | KR101293060B1 (ko) |
CN (1) | CN103459961B (ko) |
WO (1) | WO2012134036A1 (ko) |
Families Citing this family (9)
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DE112016000610B4 (de) * | 2015-02-04 | 2022-12-08 | Solar Paste, Llc | Elektrisch leitfähige Pastenzusammensetzung, Verwendung dieser in einem Verfahren zur Bildung einer elektrisch leitfähigen Struktur, sowie Gegenstand, Photovoltaikzelle und Halbleitersubstrat, umfassend die Pastenzusammensetzung |
JP6693669B2 (ja) * | 2015-03-12 | 2020-05-13 | ホヤ レンズ タイランド リミテッドHOYA Lens Thailand Ltd | イソシアネート化合物の保存方法 |
US10488114B1 (en) * | 2015-06-09 | 2019-11-26 | Materion Corporation | Fluid-cooled copper lid for arc furnace |
KR101669403B1 (ko) | 2016-07-04 | 2016-10-26 | 주식회사 청우기연 | 보온성이 향상된 전기로용 루프커버 |
US10598436B2 (en) * | 2017-04-18 | 2020-03-24 | Systems Spray-Cooled, Inc. | Cooling system for a surface of a metallurgical furnace |
EP3824235A4 (en) * | 2018-07-17 | 2022-04-20 | Systems Spray-Cooled, Inc. | METALLURGICAL FURNACE WITH INTEGRATED GAS VENTING PIPE |
CN110186284A (zh) * | 2019-05-20 | 2019-08-30 | 河南天利热工装备股份有限公司 | 一种电动推杆升降炉盖结构 |
KR102187418B1 (ko) * | 2019-09-23 | 2020-12-08 | 주식회사 엠텍 | 레이들 로의 루프장치 |
KR20230134044A (ko) | 2022-03-11 | 2023-09-20 | 이근홍 | 전기로 뚜껑 자동개폐장치 |
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- 2011-12-27 WO PCT/KR2011/010138 patent/WO2012134036A1/ko active Application Filing
- 2011-12-27 CN CN201180069762.1A patent/CN103459961B/zh not_active Expired - Fee Related
- 2011-12-27 EP EP11862482.4A patent/EP2693144B1/en not_active Not-in-force
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Also Published As
Publication number | Publication date |
---|---|
KR101293060B1 (ko) | 2013-08-05 |
JP5719474B2 (ja) | 2015-05-20 |
CN103459961B (zh) | 2015-10-14 |
KR20120111892A (ko) | 2012-10-11 |
EP2693144A4 (en) | 2014-09-17 |
US10132566B2 (en) | 2018-11-20 |
EP2693144A1 (en) | 2014-02-05 |
CN103459961A (zh) | 2013-12-18 |
JP2014515085A (ja) | 2014-06-26 |
EP2693144B1 (en) | 2016-08-31 |
US20140029643A1 (en) | 2014-01-30 |
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