WO2018186236A1 - 混銑車の加熱装置および加熱方法 - Google Patents
混銑車の加熱装置および加熱方法 Download PDFInfo
- Publication number
- WO2018186236A1 WO2018186236A1 PCT/JP2018/012479 JP2018012479W WO2018186236A1 WO 2018186236 A1 WO2018186236 A1 WO 2018186236A1 JP 2018012479 W JP2018012479 W JP 2018012479W WO 2018186236 A1 WO2018186236 A1 WO 2018186236A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lid
- receiving port
- chaotic
- heating
- chaotic vehicle
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
- B22D41/015—Heating means with external heating, i.e. the heat source not being a part of the ladle
-
- 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/06—Constructional features of mixers for pig-iron
-
- 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
-
- 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
Definitions
- the present invention relates to a heating device and a heating method for heating the inside of a chaotic vehicle.
- the hot metal produced in the blast furnace is transported to the steelmaking factory by a kneading car, and during that time, the hot metal pretreatment such as desiliconization is performed in the kneading car.
- the inner wall of the kneading vehicle is made of a refractory material. If the refractory is damaged by repeated operation of a kneading vehicle that handles hot metal, the refractory is replaced.
- a lid for keeping heat after receiving or when the vehicle is empty is used as a lid for the receiving port of a chaotic vehicle.
- the lid is used to seal the receiving port, and the exhaust gas exhaust port is used as a lid. I do not have. Therefore, it cannot be used during drying and preheating using a burner.
- Patent Document 1 discloses a heating device for a chaotic vehicle that can heat the internal atmosphere without inserting a burner inside the chaotic vehicle during preheating or drying of the chaotic vehicle.
- Patent Document 2 discloses a method of attaching a shielding plate by inserting a burner inside a chaotic vehicle and opening the upper part about 10 mm at the receiving port when the chaotic vehicle is dried.
- the heating device disclosed in Patent Document 1 uses a regenerative burner, and the equipment cost is high.
- the pig iron injecting and discharging port has a structure in which exhaust gas is forcibly discharged by a blower using a hermetically sealed lid member.
- the exhaust gas is discharged naturally. Therefore, an opening is required, and the above-described regenerative burner having an airtight structure cannot be applied.
- the receiving port is viewed from the front, and the entire receiving port is covered with a shielding plate.
- the exhaust gas discharged from the upper part of the receiving port is discharged while being in contact with the back surface of the shielding plate, and the contact between the high-temperature exhaust gas and the shielding plate increases, so that a large heat load acts and the heat of the shielding plate is increased. Deformation may occur.
- the present invention has been made in view of such points, and when performing drying or preheating inside a chaotic vehicle using a low-cost burner other than a regenerative burner, exhaust gas is discharged while suppressing intrusion of outside air, It is an object of the present invention to provide a heating apparatus and a heating method capable of performing efficient and uniform heating.
- the present invention is a heating device that heats the inside of a kneading vehicle in a state where the kneading vehicle main body is rotated so that a receiving port is located on the side of the kneading vehicle main body, A burner inserted into the interior of the kneading vehicle from the receiving port, and a lid that partially covers the lower side of the receiving port so that the opening of the receiving port has a preset opening ratio in side view, It is characterized by having.
- the opening ratio is preferably 10% to 80% of the area obtained by removing the cross-sectional area of the burner from the opening area of the receiving port.
- the lid is supported by an elastic body having elasticity in the horizontal direction toward the receiving port.
- a resilient refractory may be attached to a portion of the surface of the lid on the receiving port side where the lid and the chaotic wheel come into contact.
- the mounting angle of the lid with respect to the vertical direction is preferably variable.
- the lid includes an upper lid and a lower lid, the lower lid partially covers the lower side of the receptacle, and the upper lid is configured to be rotatable around a boundary with the lower lid. May be.
- Another aspect of the present invention is a heating method for heating the inside of a chaotic vehicle, wherein the chaotic vehicle main body is rotated so that the receiving port is located on a side of the chaotic vehicle main body, and the receiving wheel is viewed in a side view.
- the lower side of the receiving port is covered with a lid so that the opening of the opening has a preset opening ratio, and a burner is inserted into the chaotic vehicle from the receiving port and heated.
- the opening ratio is preferably set according to the flow rate of gas discharged from the kneading vehicle when the inside of the kneading vehicle is heated.
- the present invention by providing a lid at the lower portion of the receiving port, it is possible to prevent the intrusion of the outside air and exhaust the exhaust gas, so that the heating by the burner is efficiently performed and the uniform temperature distribution inside the chaotic vehicle is realized. be able to. Therefore, the fuel required for heating the chaotic vehicle can be reduced and the time can be shortened, and the cost can be reduced and the vehicle can be operated efficiently.
- the lower side of the receiving port is partially covered with a lid in a side view, in other words, the upper side of the receiving port is open, so that high-temperature exhaust gas discharged from the upper side of the receiving port is covered with the lid. It is possible to reduce the thermal load due to contact with the lid and to suppress thermal deformation of the lid.
- FIG. 1 to 3 are diagrams for explaining a heating device according to an embodiment of the present invention.
- FIG. 1 is a view as seen from above the chaotic vehicle 10
- FIG. 2 is a view as seen from the side of the chaotic vehicle 10.
- FIG. 3 is a view seen from the front of the chaotic vehicle 10.
- the kneading vehicle 10 has a substantially long cylindrical kneading vehicle main body 11 that accommodates hot metal produced in a blast furnace.
- the chaotic vehicle main body 11 has a structure that can rotate around the long axis.
- a refractory 12 is constructed on the inner wall of the kneading vehicle main body 11, and a receiving port 13 for taking in and out the hot metal is provided at the center in the longitudinal direction.
- the receiving port 13 of the kneading vehicle 10 is positioned on the side of the kneading vehicle main body 11 and the receiving port 13 is substantially omitted.
- the chaotic vehicle main body 11 is rotated so as to be in the vertical direction.
- the heating device 1 has a burner 2 and a lid 4 fixed to the burner 2 via a support bracket 3 as shown in FIG.
- the burner 2 various burners other than the regeneration burner can be used.
- the tip branches to the left and right sides, and the crater is directed to both sides in the longitudinal direction of the chaotic vehicle 10.
- the burner 2 is mounted on, for example, a horizontally movable carriage 5 as shown in FIG. 2, and can move on a horizontal track.
- the lid 4 since the lid 4 is fixed to the burner 2, the lid 4 is attached to the receiving port 13 at the same time when the burner 2 is inserted into the chaotic vehicle 10. Yes.
- the lid 4 may be fixed to a structure portion of the heating device 1 other than the burner 2.
- the longitudinal direction of the chaotic vehicle main body 11 is the left-right direction
- the direction orthogonal to the left-right direction in the horizontal plane is the front-rear direction (the chaotic vehicle 10 side is the front).
- the lid 4 has a part of the receiving port 13 in a side view when the receiving port 13 is viewed from the front, in order to realize an opening ratio corresponding to the heating condition with respect to the opening area of the receiving port 13. Block. If the opening ratio in this side view is too small, exhaust cannot be performed sufficiently, the exhaust pressure flow rate from the opening increases due to the increase in internal pressure, the equipment load increases, and the predetermined fuel from the burner 2 does not flow, resulting in insufficient combustion. If the aperture ratio is too large, the outside air enters and the heating efficiency is lowered, and the temperature becomes non-uniform.
- the opening ratio may be set to an optimum value according to the volume of the chaotic vehicle 10, the opening area of the receiving port 13, the specifications of the burner 2, the heating conditions, etc., especially when the inside of the chaotic vehicle 10 is heated. It is preferable to set an optimum value according to the flow rate of the gas discharged from 10.
- the opening area is set to 10% to 80% of the opening area excluding the cross-sectional area of the burner 2 from the opening area of the receiving port 13.
- the opening area of the receiving port 13 is reduced by the lid 4 to prevent intrusion of outside air, and at the same time, an opening area for exhaust gas to be discharged is secured.
- the lid 4 is attached so as to cover the lower side of the receiving port 13 oriented substantially in the vertical direction.
- the exhaust gas is discharged while being in contact with the back surface of the lid 4, and the contact between the high temperature exhaust gas and the lid 4 increases. Thermal deformation occurs.
- the lower side is not easily affected by exhaust gas.
- the shape of the lid 4 is a semicircular plate shape in which a part of the center of the receiving port 13 into which the burner 2 is inserted is cut out from a substantially semicircular shape. Yes.
- the upper part of the lid 4 is fixed to the burner 2 via the support bracket 3.
- the lower part of the lid 4 is connected to the carriage 5 via a spring 6 having elasticity in the front-rear direction.
- the spring 6 is fixed to the carriage 5 and has elasticity in a direction in which the lower part of the lid 4 is pressed against the chaotic wheel 10 side.
- the springs 6 are attached to two locations via lower brackets 7 that are provided at two locations on the left and right sides of the lower portion of the lid 4.
- the refractory material 8 having elasticity such as a ceramic rope is attached to the back surface of the lid 4, that is, the portion of the surface on the side of the receiving port 13 that comes into contact with the peripheral portion 14 of the receiving port 13.
- the refractory 12 to be applied to the chaotic vehicle 10 has an uneven shape due to the influence of the adhering material every time the chaotic vehicle is repeatedly used, and the unevenness of the peripheral portion 14 also changes.
- the refractory 8 is attached to at least a portion in contact with the periphery of the lower end portion of the peripheral edge portion 14, and may be attached to the entire outer periphery of the lid 4 as shown in FIG.
- the lid 4 may be provided with a window 21 for viewing the inside of the chaotic vehicle 10.
- a flameproof plate 22 may be installed in the vicinity of the upper portion of the receiving port 13 with an appropriate distance from the receiving port 13.
- the receiving port 13 formed in the center of the chaotic vehicle main body 11 is positioned on the side of the chaotic vehicle main body 11 so that the receiving port 13 is in a substantially vertical direction.
- the chaotic vehicle main body 11 is rotated.
- the heating device 1 is disposed relative to the receiving port 13, the carriage 5 is moved, the burner 2 and the lid 4 are slid toward the receiving port 13, and the burner 2 is moved from the receiving port 13 to the chaotic vehicle 10.
- Insert inside At this time, the lid 4 is pressed against the receiving port 13 side by the spring 6, and the refractory 8 having elasticity attached to the back surface of the lid 4 comes into contact with the peripheral portion 14 of the receiving port 13.
- the lid 4 can be attached without any gaps, corresponding to the 14 irregularities.
- the burner 2 dries and preheats the refractory 12 constructed on the inner wall surface extending from the central portion where the receiving port 13 is formed to both ends in the longitudinal direction of the kneading vehicle main body 11, so that the lower lid 4, exhaust gas is discharged from the upper opening while suppressing the intrusion of outside air.
- the lid 4 that secures the exhaust gas outlet while suppressing the intrusion of the outside air is installed, thereby enabling efficient and uniform heating. . And by raising temperature-raising efficiency, it is possible to reduce fuel, shorten preheating time, and reduce costs.
- the upper end portion and the lower end portion of the lid 4 are respectively fixed by rotatable pins 31 and 32 as shown in FIG. 4 so that the attachment angle can be adjusted.
- bogie 5 is abbreviate
- the upper end portion of the lid 4 is rotated by the pin 31 and the lower end portion of the lid 4 is rotated by the pin 32, so that the lid 4 can be inclined from the vertical direction.
- the lid 4 can be attached according to the angle of the receptacle 13.
- the opening ratio of the receiving port 13 can be adjusted according to the heating condition.
- the opening ratio is preferably 10% to 50%.
- the opening ratio is preferably 30% to 80%.
- the opening ratio is adjusted by dividing the lid 4 into an upper lid 4a and a lower lid 4b, and rotating the lower lid 4b with respect to the upper lid 4a.
- bogie 5 is abbreviate
- the lower lid 4b is provided with a spring 6 in the same manner as described above, and the lower lid 4b is pressed against the chaotic wheel 10 by the spring 6 and partially covers the lower portion of the receiving port 13.
- the upper lid 4a and the lower lid 4b are connected at the boundary by a joint 41 such as a hinge.
- the upper lid 4a is provided with a moving mechanism 42 that moves the upper lid 4a in the front-rear direction.
- the upper lid 4a is configured to be rotatable around the boundary between the upper lid 4a and the lower lid 4b, that is, the lower end of the upper lid 4a.
- the maximum opening ratio of the receptacle 13 is 80%
- the upper lid 4a and the lower lid 4b are entirely covered with the receptacle 13, the receptacle 13 is covered.
- the minimum aperture ratio is 10%.
- the upper lid 4a covers 70% of the receiving port 13 and the lower lid 4b covers 10% of the receiving port 13, the upper lid 4a and the lower lid 4b allow the receiving port 13 to
- the aperture ratio can be adjusted between 10% and 80%.
- a refractory 8 is attached to the back surface of the upper lid 4a and the back surface of the lower lid 4b.
- the adjustment method of the aperture ratio is not limited to the method described above.
- the position of the upper end of the lid 4 can be moved in the front-rear direction, the attachment angle of the lid 4 with respect to the receiving port 13 can be made variable, and the opening degree is adjusted by moving the upper end of the lid 4 rearward when increasing the aperture ratio. You may do it.
- Patent Document 2 does not disclose nor suggest the adjustment of the aperture ratio of the receiving port 13 as in the present embodiment.
- the degree of freedom of the heating device 1 can be remarkably improved by making the aperture ratio of the receiving port 13 adjustable as in the present embodiment.
- a lid 4 as shown in FIGS. 1 to 3 was provided below the receiving port 13 of the kneading vehicle 10 to dry and preheat the kneading vehicle 10. Further, as a comparative example, the inside of the kneading vehicle 10 was dried and preheated with the receiving port 13 being opened without providing a lid.
- the capacity of the kneading vehicle 10 is 60 m 3 (molten metal 300 ton)
- the opening area of the receiving port 13 is 1.17 m 2
- the cross-sectional area of the burner 2 is 0.23 m 2 .
- 0.75 m the size of the lid 4 2, 0.47 m 2, instead of 0.19 m 2, is closed by these lids 4, the aperture ratio of ⁇ port 13, except for the burner 2 80% It was changed to 50% and 20%.
- thermocouple No. 1, no. 2, no. 3 was installed and the temperature at the time of a heating was measured.
- Thermocouple No. 1 is a longitudinal end of the chaotic wheel 10, a thermocouple No. 1. 2 and thermocouple no.
- the longitudinal direction was close to the receiving port 13 and the depth distance from the receiving port 13 was different.
- the temperature and oxygen concentration at each position were measured at the time of drying 15 hours after the start of heating and at the time of preheating after 30 hours.
- Table 1 shows the results when the aperture ratio is 80%
- Table 2 shows the results when the aperture ratio is 50%
- Table 3 shows the results when the aperture ratio is 20%.
- the present invention can be applied as a heating device when heating the interior of a chaotic vehicle with a burner, and is useful when heating using a burner other than a regenerative burner.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
Description
また、側面視において受銑口の下側が蓋によって部分的に覆われており、換言すれば受銑口の上側は開口しているため、受銑口の上部から排出される高温の排ガスが蓋に接触することによる熱負荷を軽減し、蓋の熱変形等を抑制することができる。
2 バーナー
3 支持ブラケット
4 蓋
5 台車
6 スプリング
7 下部ブラケット
8 耐火物
10 混銑車
11 混銑車本体
12 耐火物
13 受銑口
14 周縁部
21 窓
22 防災板
31、32 ピン
41 関節部
42 移動機構
Claims (8)
- 混銑車本体の側方に受銑口が位置するように前記混銑車本体を回転させた状態で、混銑車の内部を加熱する加熱装置であって、
前記受銑口から混銑車の内部に挿入されるバーナーと、
側面視において前記受銑口の開口が予め設定した開口率となるように前記受銑口の下側を部分的に覆う蓋と、
を備えていることを特徴とする、混銑車の加熱装置。 - 前記開口率は、前記受銑口の開口面積から前記バーナーの断面積を除いた面積の10%~80%であることを特徴とする、請求項1に記載の混銑車の加熱装置。
- 前記蓋が、前記受銑口に向けて水平方向に弾性を有する弾性体に支持されていることを特徴とする、請求項1または2のいずれか一項に記載の混銑車の加熱装置。
- 前記蓋の前記受銑口側の面の、前記蓋と前記混銑車とが接する部分に、弾力性を有する耐火物が取り付けられていることを特徴とする、請求項1~3のいずれか一項に記載の混銑車の加熱装置。
- 前記蓋は、鉛直方向に対する取り付け角度が可変であることを特徴とする、請求項1~4のいずれか一項に記載の混銑車の加熱装置。
- 前記蓋は上部蓋と下部蓋を備え、
前記下部蓋は、前記受銑口の下側を部分的に覆い、
前記上部蓋は、前記下部蓋との境界を中心に回動自在に構成されていることを特徴とする、請求項1~5のいずれか一項に記載の混銑車の加熱装置。 - 混銑車の内部を加熱する加熱方法であって、
混銑車本体の側方に受銑口が位置するように前記混銑車本体を回転させ、
側面視において前記受銑口の開口が予め設定した開口率となるような蓋で前記受銑口の下側を覆い、
前記受銑口から混銑車の内部にバーナーを挿入して加熱することを特徴とする、混銑車の加熱方法。 - 前記開口率は、混銑車の内部を加熱する際に当該混銑車から排出されるガスの流量に応じて設定されることを特徴とする、請求項7に記載の混銑車の加熱方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA3061380A CA3061380A1 (en) | 2017-04-04 | 2018-03-27 | Heating device and heating method of torpedo car |
CN201880022356.1A CN110462067A (zh) | 2017-04-04 | 2018-03-27 | 混铁车的加热装置以及加热方法 |
EP18781429.8A EP3575418A1 (en) | 2017-04-04 | 2018-03-27 | Heating device and heating method of torpedo car |
US16/490,021 US20200017928A1 (en) | 2017-04-04 | 2018-03-27 | Heating device and heating method of torpedo car |
JP2019511172A JP6801780B2 (ja) | 2017-04-04 | 2018-03-27 | 混銑車の加熱装置および加熱方法 |
KR1020197031225A KR20190132443A (ko) | 2017-04-04 | 2018-03-27 | 혼선차의 가열 장치 및 가열 방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017-074219 | 2017-04-04 | ||
JP2017074219 | 2017-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018186236A1 true WO2018186236A1 (ja) | 2018-10-11 |
Family
ID=63712167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2018/012479 WO2018186236A1 (ja) | 2017-04-04 | 2018-03-27 | 混銑車の加熱装置および加熱方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20200017928A1 (ja) |
EP (1) | EP3575418A1 (ja) |
JP (1) | JP6801780B2 (ja) |
KR (1) | KR20190132443A (ja) |
CN (1) | CN110462067A (ja) |
CA (1) | CA3061380A1 (ja) |
TW (1) | TWI665306B (ja) |
WO (1) | WO2018186236A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7485939B2 (ja) | 2020-08-24 | 2024-05-17 | 日本製鉄株式会社 | 銑鉄溶解装置、及び、銑鉄の溶解方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11603094B2 (en) | 2020-02-20 | 2023-03-14 | Toyota Motor North America, Inc. | Poor driving countermeasures |
US11527154B2 (en) | 2020-02-20 | 2022-12-13 | Toyota Motor North America, Inc. | Wrong way driving prevention |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5386411U (ja) * | 1976-12-20 | 1978-07-15 | ||
JPS5421612U (ja) * | 1977-07-16 | 1979-02-13 | ||
JPS5875742U (ja) * | 1981-11-17 | 1983-05-21 | 住友金属工業株式会社 | 混銑車予熱装置 |
JPS62110246U (ja) * | 1985-12-28 | 1987-07-14 | ||
JPH0827510A (ja) | 1994-07-12 | 1996-01-30 | Kuchiku Kogyo Kk | 混銑車耐火物の乾燥方法 |
JP2005315519A (ja) * | 2004-04-28 | 2005-11-10 | Kobe Steel Ltd | 混銑車耐火物の乾燥方法と乾燥装置 |
JP4658231B1 (ja) | 2010-10-07 | 2011-03-23 | 中外炉工業株式会社 | トーピードカー用加熱装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201237219Y (zh) * | 2008-06-24 | 2009-05-13 | 宝山钢铁股份有限公司 | 鱼雷罐车预热燃烧装置 |
JP5386411B2 (ja) * | 2010-03-11 | 2014-01-15 | 株式会社フジクラ | 収納ケース、光モジュール及び光アダプタ |
CN202119262U (zh) * | 2011-05-06 | 2012-01-18 | 河北钢铁股份有限公司唐山分公司 | 一种可以自动调节的焙烧炉喷枪盖 |
CN104315214A (zh) * | 2014-08-25 | 2015-01-28 | 北京都龙睿建科技发展有限公司 | 一种通风道或烟道引流防火止回装置 |
CN204775985U (zh) * | 2015-06-19 | 2015-11-18 | 中国航空工业集团公司西安飞机设计研究所 | 一种飞机口盖铰链结构 |
CN205171287U (zh) * | 2015-11-25 | 2016-04-20 | 中铁十七局集团第三工程有限公司 | 旋转式自密实混凝土封边模板排气口闸阀 |
-
2018
- 2018-03-27 KR KR1020197031225A patent/KR20190132443A/ko not_active Application Discontinuation
- 2018-03-27 CA CA3061380A patent/CA3061380A1/en not_active Abandoned
- 2018-03-27 WO PCT/JP2018/012479 patent/WO2018186236A1/ja unknown
- 2018-03-27 EP EP18781429.8A patent/EP3575418A1/en not_active Withdrawn
- 2018-03-27 CN CN201880022356.1A patent/CN110462067A/zh active Pending
- 2018-03-27 US US16/490,021 patent/US20200017928A1/en not_active Abandoned
- 2018-03-27 JP JP2019511172A patent/JP6801780B2/ja active Active
- 2018-03-30 TW TW107111235A patent/TWI665306B/zh not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5386411U (ja) * | 1976-12-20 | 1978-07-15 | ||
JPS5421612U (ja) * | 1977-07-16 | 1979-02-13 | ||
JPS5875742U (ja) * | 1981-11-17 | 1983-05-21 | 住友金属工業株式会社 | 混銑車予熱装置 |
JPS62110246U (ja) * | 1985-12-28 | 1987-07-14 | ||
JPH0827510A (ja) | 1994-07-12 | 1996-01-30 | Kuchiku Kogyo Kk | 混銑車耐火物の乾燥方法 |
JP2005315519A (ja) * | 2004-04-28 | 2005-11-10 | Kobe Steel Ltd | 混銑車耐火物の乾燥方法と乾燥装置 |
JP4658231B1 (ja) | 2010-10-07 | 2011-03-23 | 中外炉工業株式会社 | トーピードカー用加熱装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7485939B2 (ja) | 2020-08-24 | 2024-05-17 | 日本製鉄株式会社 | 銑鉄溶解装置、及び、銑鉄の溶解方法 |
Also Published As
Publication number | Publication date |
---|---|
TWI665306B (zh) | 2019-07-11 |
JP6801780B2 (ja) | 2020-12-16 |
EP3575418A1 (en) | 2019-12-04 |
CN110462067A (zh) | 2019-11-15 |
TW201842194A (zh) | 2018-12-01 |
KR20190132443A (ko) | 2019-11-27 |
CA3061380A1 (en) | 2018-10-11 |
JPWO2018186236A1 (ja) | 2019-11-14 |
US20200017928A1 (en) | 2020-01-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2018186236A1 (ja) | 混銑車の加熱装置および加熱方法 | |
CN206089744U (zh) | 一种台车式回火炉 | |
US3857553A (en) | Heat treatment furnace and method | |
KR101763861B1 (ko) | 에너지 절감형 래들 예열 장치 | |
CN212058227U (zh) | 一种真空烧结炉的保温结构 | |
JP2931132B2 (ja) | 連続炉内の台車部シール装置 | |
EP1859215B1 (en) | Melting apparatus having a loading device for loading a metal charge | |
KR102324681B1 (ko) | 전지전극용 잔존수분 건조장치 | |
BR9809680A (pt) | Sistemas de carga para fornos a arco elétrico | |
JP2006308172A (ja) | バッチ式ロータリキルン | |
US20210325112A1 (en) | Burner lance insert for an electric arc furnace | |
CN108844371A (zh) | 一种电弧炉的密闭式炉门 | |
CN109963952A (zh) | 热处理装置 | |
JPS5810672B2 (ja) | 電気炉の高温排ガスを用いたスクラツプ予熱装置 | |
CN208653223U (zh) | 高密封真空烧结炉 | |
CN202630657U (zh) | 一种新型井式炉 | |
CN211111707U (zh) | 一种玻璃加工炉 | |
CN207335426U (zh) | 一种新型上开门箱电阻炉 | |
KR102018522B1 (ko) | 코크스오븐의 도어 가스누출방지용 수리대차 | |
JP2022100508A (ja) | 予熱装置及び予熱方法 | |
CN117265231B (zh) | 一种热处理设备 | |
CN203679271U (zh) | 一种脱成型剂网带炉 | |
ES364302A1 (es) | Perfeccionamientos en los secadores rotativos. | |
ES8507026A1 (es) | Un dispositivo mejorado para calentar una cuchara o similar | |
CN209081952U (zh) | 一种采用吊升式的电弧炉门组件 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 18781429 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2019511172 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 2018781429 Country of ref document: EP Effective date: 20190829 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 3061380 Country of ref document: CA Ref document number: 20197031225 Country of ref document: KR Kind code of ref document: A |