KR20120020480A - Dust collecting duct for crack prevention - Google Patents

Dust collecting duct for crack prevention Download PDF

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Publication number
KR20120020480A
KR20120020480A KR1020100084114A KR20100084114A KR20120020480A KR 20120020480 A KR20120020480 A KR 20120020480A KR 1020100084114 A KR1020100084114 A KR 1020100084114A KR 20100084114 A KR20100084114 A KR 20100084114A KR 20120020480 A KR20120020480 A KR 20120020480A
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South Korea
Prior art keywords
dust collecting
dust
cooling water
cooling
water cooling
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KR1020100084114A
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Korean (ko)
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KR101129245B1 (en
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최규현
지성기
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현대제철 주식회사
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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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/38—Removal of waste gases or dust
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

PURPOSE: A water cooling duct for collecting dust is provided to prevent the generation of damages by securing elasticity to the combining part of a water cooling path and a plate part. CONSTITUTION: A water cooling duct for collecting dust includes a discharging path, a dust collecting part(30), a water cooling path(40), and a plate part(50). Scattering dust from an electric furnace is discharged through the discharging path. The dust collecting part is in connection with the discharging path. The dust collecting part cools the scattering dust from the discharging path. The water cooling path is in the form of a coil along the inner circumference of the dust collecting part. The plate part is formed at both lateral parts of the water cooling path and is in contact with the discharging part.

Description

크랙방지 집진 수냉덕트{DUST COLLECTING DUCT FOR CRACK PREVENTION}Crack prevention dust collection water cooling duct {DUST COLLECTING DUCT FOR CRACK PREVENTION}

본 발명은 집진덕트의 냉각수로에 발생되는 크랙을 방지하도록 하는 크랙방지 집진 수냉덕트에 관한 것이다.
The present invention relates to a crack preventing dust collecting water cooling duct to prevent cracks generated in the cooling water passage of the dust collecting duct.

일반적으로 전기로를 이용한 제강 공정에서는, 전기로 내에는 고철 또는 스크랩(Scrap)이 장입되고 전극봉에 전류가 인가됨에 따라 스크랩에 대한 용해가 이루어진다.In general, in a steelmaking process using an electric furnace, scrap metal or scrap is charged in the electric furnace and melting of the scrap is performed as a current is applied to the electrode.

스크랩을 용해하면서, 탈산, 탈황 및 탈류를 하기 위해서, 부원료(Fe-Si, CaCO3, CaO, MO-Oxide) 등을 전기로의 내부로 투입하여 불순물을 제거하고 있다.In order to deoxidize, desulfurize, and deflow while dissolving the scrap, secondary raw materials (Fe-Si, CaCO 3 , CaO, MO-Oxide) and the like are introduced into the electric furnace to remove impurities.

전기로에서 출강되는 용강은 래들(Ladle)에 수강되어서 정련을 위한 곳으로 옮겨진다. 정련은 상기 용강을 승온한 후에 성분을 조정하는 것이다. The molten steel exiting the electric furnace is taken to a ladle and transferred to the place for refining. Refining is a component adjustment after raising the molten steel.

정련된 용강은 연속주조기로 옮겨져서 요구되는 형태로 주조된다. 이렇게 형성된 주조물은, 압연을 통하여 최종적으로 요구되는 형태로 제조된다.The refined molten steel is transferred to a continuous casting machine and cast in the required shape. The casting thus formed is produced in the form finally required through rolling.

이러한 전기로에는 스크랩 투입시 발생하는 비산 먼지와 이물질을 집진하여 냉각시켜 걸러내는 집진덕트가 설치되어진다.
In such an electric furnace, a dust collecting duct collecting dust by cooling dust and foreign substances generated during scrap input and cooling is installed.

본 발명의 목적은 집진덕트의 냉각수로 양단에 결합되는 플레이트와 냉각수로에서 발생되는 크랙을 방지하도록 하는 크랙방지 집진 수냉덕트를 제공하기 위한 것이다.
An object of the present invention is to provide a crack preventing dust collecting water cooling duct to prevent cracks generated in the cooling water passage and the plate coupled to both ends of the cooling water of the dust collecting duct.

상기의 목적을 달성하기 위한 본 발명에 따른 크랙방지 집진 수냉덕트는 전기로에서 발생되어지는 비산 먼지가 배출되는 배출로; 상기 배출로와 연결되어지며, 냉각수를 통해 배출로에서 배출되는 비산 먼지를 냉각시켜 배출하는 집진부; 상기 집진부의 내주연을 따라 코일형상으로 형성되어 냉각수가 흐르는 냉각수로; 및 상기 냉각수로의 양측단에 형성되어 상기 배출로와 접촉되어지며, 외측으로 돌출되어 형성된 플레이트부;를 포함하는 것을 특징으로 한다.
The anti-crack dust collecting water cooling duct according to the present invention for achieving the above object is a discharge passage in which scattering dust generated in the electric furnace is discharged; A dust collecting part connected to the discharge path and cooling the scattering dust discharged from the discharge path through the cooling water; A cooling water flow formed in a coil shape along an inner circumference of the dust collecting part and flowing with cooling water; And plate portions formed at both ends of the cooling water passage and being in contact with the discharge passage and protruding outward.

상기와 같이 구성되는 본 발명에 관련된 크랙방지 집진 수냉덕트에 의하면, 플레이트부의 형상으로 인해 가열과 냉각으로 인해 수축 팽창이 반복되어지는 냉각수로와 플레이트부의 결합부가 신축성을 가지게 되므로 파손이 발생되지 않는 이점이 발생된다.
According to the crack-proof dust-collecting water-cooling duct related to the present invention configured as described above, since the coupling part of the cooling water passage and the plate portion having repeated expansion and contraction due to heating and cooling due to the shape of the plate has elasticity, no damage occurs. Is generated.

도 1은 본 발명과 관련된 집진덕트의 전체구성도,
도 2는 본 발명의 실시예에 따른 집진 수냉덕트를 나타낸 도면,
도 3은 본 발명의 실시예에 따른 집진 수냉덕트를 나타낸 측면도.1 is an overall configuration diagram of a dust collecting duct related to the present invention,
2 is a view showing a dust collecting water cooling duct according to an embodiment of the present invention,
Figure 3 is a side view showing a dust collecting water cooling duct according to an embodiment of the present invention.

이하, 본 발명의 바람직한 실시예에 따른 크랙방지 집진 수냉덕트에 대하여 첨부한 도면을 참조하여 상세히 설명한다. 본 명세서에서는 서로 다른 실시예라도 동일?유사한 구성에 대해서는 동일?유사한 참조번호를 부여하고, 그 설명은 처음 설명으로 갈음한다.Hereinafter, a crack preventing dust collecting water cooling duct according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. In the present specification, different embodiments are given the same or similar reference numerals for the same or similar configurations, and the description is replaced with the first description.

도 1은 본 발명과 관련된 집진덕트의 전체구성도이고, 도 2는 집진 수냉덕트를 나타낸 도면이다.1 is an overall configuration diagram of a dust collecting duct related to the present invention, Figure 2 is a view showing a water collecting duct cooling.

도 1과 도 2에 도시된 바와같이 전기로(10)에서 발생되어지는 비산 먼지가 배출되는 배출로(20)와, 상기 배출로(20)와 연결되어지며, 냉각수를 통해 배출로(20)에서 배출되는 비산 먼지를 냉각시켜 배출하는 집진부(30)와, 상기 집진부(30)의 내주연을 따라 코일형상으로 형성되어 냉각수가 흐르는 냉각수로(40)와, 상기 냉각수로(40)의 양측단에 형성되어 상기 배출로(20)와 접촉되어지며, 외측으로 돌출되어 형성된 플레이트부(50)를 포함한다.1 and 2 is connected to the discharge path 20, the discharge path 20 is discharged dust is generated in the electric furnace 10, the discharge path 20 through the cooling water 20 Dust collecting unit 30 for cooling and discharging the scattering dust discharged from the cooling unit, a cooling water passage 40 formed in a coil shape along the inner circumference of the dust collection unit 30, the cooling water flows, and both ends of the cooling water passage 40 It is formed in contact with the discharge path 20, and includes a plate portion 50 protruding outward.

상기 플레이트부(50)는, 반원형으로 형성되어 상기 냉각수로(40)의 양측단에 결합되어진다.The plate portion 50 is formed in a semicircular shape and coupled to both side ends of the cooling water passage 40.

그리고, 상기 플레이트부(50)는, 다각형의 형상으로 형성되어 상기 냉각수로(40)의 양측단에 결합되어진다.In addition, the plate portion 50 is formed in a polygonal shape and is coupled to both side ends of the cooling water passage 40.

즉, 본 발명을 좀더 상세하게 설명하면 다음과 같다.That is, the present invention will be described in more detail as follows.

본 발명은 전기로(10)의 상측에 형성된 배출로(20)와, 상기 배출로(20)와 연결되어지는 집진부(30)와, 상기 집진부(30)의 내주연을 따라 코일 형상으로 형성되어지는 냉각수로(40)와, 상기 집진부(30)의 양측단에 형성되어 돌출되어 형성되어지는 플레이트부(50)로 구성되어진다.The present invention is formed in a coil shape along the discharge passage 20 formed on the upper side of the electric furnace 10, the dust collecting portion 30 is connected to the discharge passage 20, and the inner circumference of the dust collecting portion 30 The paper is composed of a cooling water passage 40 and a plate portion 50 formed at both sides of the dust collecting portion 30 to protrude.

상기 배출로(20)는 전기로(10)에 스크랩이 투입 및 용해될 때 발생되어지는 비산먼지가 배출되어진다.The discharge path 20 is discharged dust is generated when the scrap is added to the electric furnace 10 and dissolved.

도 2는 본 발명의 실시예에 따른 집진 수냉덕트를 나타낸 도면이다.2 is a view showing a dust collecting water cooling duct according to an embodiment of the present invention.

도 2에 도시된 바와같이, 상기 집진부(30)는 상기 전기로(10)의 배출로(20)와 연결되어 비산먼지를 후단에 연결되는 집진장치측으로 이송하며, 냉각수로(40)를 유동되는 냉각수를 통해 비산먼지의 온도를 하강시켜 집진장치 측으로 배출하게된다.As shown in FIG. 2, the dust collecting part 30 is connected to the discharge path 20 of the electric furnace 10 to transfer scattering dust to the dust collecting device connected to the rear end, and flows the cooling water path 40. The temperature of the scattering dust is lowered through the coolant and discharged to the dust collector.

상기 냉각수로(40)는 집진부(30)의 내주연에 형성되어지고, 상기 집진부(30)의 내주연을 따라 코일형태로 형성되며, 내부로 냉각수가 유동되어 상기 집진부(30)의 온도를 하강시켜 상기 집진부(30)의 내부를 통과하는 비산먼지의 온도를 하강시켜 집진장치로 배출되어질때 상온 이하로 배출되어지도록 한다.The cooling water passage 40 is formed at an inner circumference of the dust collecting part 30, is formed in a coil shape along the inner circumference of the dust collecting part 30, and coolant flows inside to lower the temperature of the dust collecting part 30. By lowering the temperature of the scattering dust passing through the inside of the dust collector 30 to be discharged to room temperature or less when discharged to the dust collector.

상기 플레이트부(50)는 상기 냉각수로(40)의 양측단 측면측인 냉각수로(40)의 양측단 초입과 후단에 결합되어진다.The plate portion 50 is coupled to both the first end and the rear end of the cooling water passage 40 which is the side of both sides of the cooling water passage 40.

이때, 상기 플레이트부(50)는 반원형 또는 다각형의 형상으로 형성되어지고, 냉각수로(40)와 용접을 통해 결합되어진다.At this time, the plate portion 50 is formed in a semi-circular or polygonal shape, and is coupled to the cooling water passage 40 by welding.

그리고, 상기 플레이트부(50)의 외부측에는 배출로(20)와 결합되는 결합부(60)가 집진부(30)의 외주연에 형성된다.In addition, a coupling part 60 coupled to the discharge path 20 is formed at the outer circumference of the dust collecting part 30 on the outer side of the plate part 50.

상기 플레이트부(50)의 형상으로 인해 가열과 냉각으로 인해 수축 팽창이 반복되어지는 냉각수로(40)와 플레이트부(50)의 결합부가 신축성을 가지게 되므로 파손이 발생되지 않는 이점이 발생된다.Due to the shape of the plate portion 50, the coupling portion of the cooling water passage 40 and the plate portion 50, which is repeatedly contracted and expanded due to heating and cooling, has elasticity, and thus, damage does not occur.

상기의 본 발명은 바람직한 실시예를 중심으로 살펴보았으며, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자는 본 발명의 본질적 기술 범위 내에서 상기 본 발명의 상세한 설명과 다른 형태의 실시예들을 구현할 수 있을 것이다. 여기서 본 발명의 본질적 기술범위는 특허청구범위에 나타나 있으며, 그와 동등한 범위 내에 있는 모든 차이점은 본 발명에 포함된 것으로 해석되어야 할 것이다.
The present invention has been described with reference to the preferred embodiments, and those skilled in the art to which the present invention pertains to the detailed description of the present invention and other forms of embodiments within the essential technical scope of the present invention. Could be. Here, the essential technical scope of the present invention is shown in the claims, and all differences within the equivalent range will be construed as being included in the present invention.

10 : 전기로 20 : 배출로
30 : 집진부 40 : 냉각수로
50 : 플레이트부 60 : 결합부10: electric furnace 20: discharge furnace
30: dust collector 40: coolant
50: plate portion 60: coupling portion

Claims (3)

전기로에서 발생되어지는 비산 먼지가 배출되는 배출로;
상기 배출로와 연결되어지며, 냉각수를 통해 배출로에서 배출되는 비산 먼지를 냉각시켜 배출하는 집진부;
상기 집진부의 내주연을 따라 코일형상으로 형성되어 냉각수가 흐르는 냉각수로; 및
상기 냉각수로의 양측단에 형성되어 상기 배출로와 접촉되어지며, 외측으로 돌출되어 형성된 플레이트부;를 포함하는, 크랙방지 집진 수냉덕트.
A discharge path through which fugitive dust generated in the electric furnace is discharged;
A dust collecting part connected to the discharge path and cooling the scattering dust discharged from the discharge path through the cooling water;
A cooling water flow formed in a coil shape along an inner circumference of the dust collecting part and flowing with cooling water; And
And a plate portion formed at both ends of the cooling water passage and being in contact with the discharge passage and protruding outward.
제 1항에 있어서,
상기 플레이트부는,
반원형으로 형성되어 상기 냉각수로의 양측단에 결합되는, 크랙방지 집진 수냉덕트.
The method of claim 1,
The plate portion,
It is formed in a semi-circular shape is coupled to both ends of the cooling water passage, anti-crack dust collecting water cooling duct.
제 1항에 있어서,
상기 플레이트부는,
다각형의 형상으로 형성되어 상기 냉각수로의 양측단에 결합되는, 크랙방지 집진 수냉덕트.The method of claim 1,
The plate portion,
It is formed in the shape of a polygon is coupled to both ends of the cooling water passage, anti-crack dust collecting water cooling duct.
KR1020100084114A 2010-08-30 2010-08-30 Dust collecting duct for crack prevention KR101129245B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102321874B1 (en) * 2020-06-04 2021-11-04 (주)달성 Apparatus for removing skull of converter collecting duct
KR102321873B1 (en) * 2020-06-04 2021-11-04 (주)달성 Apparatus for removing skull of converter collecting duct

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200438414Y1 (en) 2007-04-17 2008-02-14 현대제철 주식회사 Dust collecting apparatus for electric furnace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102321874B1 (en) * 2020-06-04 2021-11-04 (주)달성 Apparatus for removing skull of converter collecting duct
KR102321873B1 (en) * 2020-06-04 2021-11-04 (주)달성 Apparatus for removing skull of converter collecting duct

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