WO2009146638A1 - 一种新型结构的冶金渣罐及其制造方法 - Google Patents
一种新型结构的冶金渣罐及其制造方法 Download PDFInfo
- Publication number
- WO2009146638A1 WO2009146638A1 PCT/CN2009/072066 CN2009072066W WO2009146638A1 WO 2009146638 A1 WO2009146638 A1 WO 2009146638A1 CN 2009072066 W CN2009072066 W CN 2009072066W WO 2009146638 A1 WO2009146638 A1 WO 2009146638A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tank
- slag
- novel structure
- metallurgical slag
- rib
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/10—Slag pots; Slag cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/066—Receptacle features where the slag is treated
Definitions
- the present invention relates to the field of metallurgy, and in particular to a metallurgical slag pot for a novel structure for metallurgical casting and a method of manufacturing the same. Background technique
- the slag tank is a container for steel (iron) slag used in steel smelting.
- the existing slag tanks are basically containers of steel (iron) slag cast by a conventional casting process.
- the method of manufacturing a metallurgical slag tank using a conventional casting process has the following problems:
- the casting slag pot has poor smearability, poor repairability, and high maintenance cost. Thereby, the cast slag pot has a short service life.
- a metallurgical slag tank of a novel structure having a tank mouth diameter larger than the tank bottom diameter, for holding, pouring molten steel slag or iron slag Tank-shaped container, characterized in that
- the metallurgical slag tank is formed by splicing an alloy steel plate or a carbon steel plate as a tank wall and a tank bottom of the slag pot.
- the metallurgical slag tank of the novel structure according to the present invention is characterized in that the thickness of the alloy steel sheet or the carbon steel sheet for the metallurgical slag tank of the novel structure is in the range of 40 mm to 120 mm.
- a metallurgical slag tank of a novel structure according to the present invention is characterized in that the outer peripheral surface of the metallurgical slag tank of the novel structure is joined with a reinforcing rib (plate).
- a metallurgical slag tank of the novel structure according to the present invention is characterized in that a "reinforcing flange ring" is formed at the outer periphery of the metallurgical slag tank opening of the novel structure.
- the "reinforcing flange ring” is a rib (plate) that is spliced and formed on the outer circumference of the can.
- the metallurgical slag tank of the novel structure according to the present invention is characterized in that the metal slag tank wall inclination angle (slope) of the new splicing structure is in the range of 75 to 55 degrees.
- the metallurgical slag tank of the novel structure according to the present invention is characterized in that the metallurgical slag tank of the novel structure is formed by using a hot-rolled alloy steel sheet or a hot-rolled carbon steel sheet as a tank wall and a tank bottom.
- a metallurgical slag tank of the novel structure according to the present invention is characterized in that the metallurgical slag tank tipping force portion of the novel structure adopts a "cross" rib (plate) structure.
- the metallurgical slag tank of the novel structure according to the present invention is characterized in that the metallurgical slag cannula of the novel structure adopts a "three vertical and two horizontal" plus “cover” rib (plate) structure.
- the metallurgical slag tank of the novel structure according to the present invention is characterized in that the bottom of the metallurgical slag tank of the novel structure adopts a "T-shaped base" reinforcing rib structure, and the "arc bottom” can also be used to strengthen the rib structure.
- the bottom of the tank is made of flat alloy steel plate or carbon steel plate as the bottom of the tank of the slag tank, and the bottom of the tank is connected with a stiffener plate, a flat tank
- the cross-section shape of the reinforcing ribs connected to the lower part of the bottom is like a " ⁇ "-shaped structure.
- the so-called "arc bottom” structure, gp uses a pressed concave arc-shaped alloy steel plate or carbon steel plate as the bottom of the slag tank to be connected to the tank wall, and a rib plate is spliced to the lower portion of the arc-shaped plate.
- the cross-sectional shape of the concave arc-shaped alloy steel plate or the carbon steel plate is a concave circular arc line.
- a metallurgical slag tank of the novel structure according to the present invention is characterized in that the metallurgical slag can trunnion of the novel structure is forged.
- a method of manufacturing a metallurgical slag pot according to the novel structure of the present invention characterized in that
- the method includes the following steps:
- Cutting 3-12 pieces of alloy steel or carbon steel plate forming the bottom of the tank and the wall of the tank as a slag pot by processing and pressing (or rolling or crimp forming), and splicing the steel sheet into a tank mouth larger than the tank Bottom diameter, pot-shaped container for holding, pouring molten steel slag or molten iron slag.
- the above-mentioned "tank splicing" stage includes: splicing and mounting of the trunnion seat, the can end flange portion, the tilting force receiving portion, the base and the rib and the auxiliary device, and the above-mentioned "trunnion”
- the machining and installation phase includes: trunnion machining, trunnion machining and trunnion measurement and installation.
- the cut steel sheets are respectively pressed into a shape for forming a tank body wall and a tank bottom plate.
- the "X" type groove is used for the docking of the tank wall, the reinforcing flange ring, the tilting force receiving portion, and the longitudinal main rib of the trunn bearing area.
- the "K” type is used for the bottom plate of the tank base.
- the other joints are unilateral “V” groove, the groove angle is 35° ⁇ 55°, and the flame is mechanically cut.
- a method for manufacturing a metallurgical slag tank according to the novel structure of the present invention characterized in that the metallurgical slag tank wall angle of the novel structure is in the range of 75 to 55 degrees, and the tank wall inclination angle is a slag tank wall An angle ( ⁇ ) with the plane parallel to the bottom of the tank.
- a method for manufacturing a metallurgical slag tank according to the novel structure of the present invention characterized in that, in the tank splicing stage, the metallurgical slag tank mouth trunnion side tilting force portion of the novel structure adopts a "cross" reinforcing rib
- the plate structure, gp is connected to a longitudinal long rib plate and a transverse rib plate on the sides of the two trunnions of the can body, and is formed into a shape like a "cross" shape.
- the method for manufacturing a metallurgical slag pot according to the novel structure of the present invention is characterized in that, in the tank splicing stage, the metallurgical slag tank mouth trunnion of the new structure adopts "three vertical and two horizontal" plus " Reinforcing rib structure of the cover plate, gp: three longitudinal ribs and two transverse ribs of different lengths are spliced in the force receiving area of the trunnion, and then covered on the longitudinal ribs and the transverse ribs A rib is attached to the rib.
- the method for manufacturing a metallurgical slag tank according to the novel structure of the present invention is characterized in that, in the tank splicing stage, the metallurgical slag tank bottom base of the novel structure adopts a flat bottom or a circular bottom structure, and the so-called flat bottom bottom
- the flat alloy steel plate or the carbon steel plate is used as the bottom of the tank to be connected with the tank wall, and the lower part is connected with the reinforcing rib plate, and the cross-section shape of the reinforcing rib plate of the flat bottom of the flat tank is like a "T" shape structure, so-called "
- the structure of the arc bottom is: the pressed concave arc steel plate is used as the bottom of the tank and the tank wall is connected, and the lower part is connected with the reinforcing rib plate.
- a method for manufacturing a metallurgical slag pot according to the novel structure of the present invention characterized in that, in the tank splicing stage, the metallurgical slag tank mouth of the novel structure is joined with a "reinforcement flange" formed by a reinforcing rib Circle,,.
- a method of producing a metallurgical slag can according to the novel structure of the present invention is characterized in that it is an alloy steel or a carbon steel plate which is a tank bottom and a tank wall of a slag pot, and has a thickness of 40 mm to 120 mm.
- a method of manufacturing a metallurgical slag pot according to the novel structure of the present invention characterized in that In the process of forming and pressing the steel sheet, the steel sheet is formed by a press forming method (or roll forming or roll forming).
- the method for manufacturing a metallurgical slag tank according to the novel structure of the present invention is characterized in that, in the tank splicing stage, the slag tank body is connected by using a submerged arc or an electric slag;
- a submerged arc or an electric slag is used, and the manual arc wire is selected from a 04 mm E5015, E5015-G or J507RH.
- the pre-heating and the layer temperature (interlayer temperature) control are performed, and the pre-heating and layer temperature control are performed.
- the self-controlled electric heating method is used to heat the splicing groove and the range of 150mm on both sides of the groove to 10 (TC ⁇ 15 (rC, the interlayer temperature is not lower than the preheating temperature).
- a method of manufacturing a metallurgical slag pot according to the novel structure of the present invention characterized in that, in the heat treatment stage, the heat treatment process curve is as follows:
- the metallurgical slag tank of the novel structure employs an alloy steel plate or a carbon steel plate having a thickness ranging from 40 mm to 120 mm as a slag tank wall and a tank bottom.
- a method of manufacturing a metallurgical slag pot according to the novel structure of the present invention characterized in that the metallurgical slag can trunnion of the novel structure is forged.
- the metallurgical slag tank of the present invention is spliced into a tank by a splicing process. This greatly reduces environmental pollution.
- the grain thickness of the steel sheet constituting the metallurgical slag tank wall is uniform, there are almost no defects such as shrinkage, shrinkage, porosity, segregation, crack, non-metallic inclusion, thermal cracking, cold cracking, etc., and since the slag tank wall is formed
- the grain uniformity of the steel plate is like that of general rolled steel. Therefore, the slag pot has good smearability and repairability, which can greatly prolong the service life of the slag tank, and can eliminate the safety hazards such as slag tank cracking which often occurs in the production site. Significantly reduce costs.
- FIG. 2 is a perspective view showing another example of a metallurgical slag tank of the novel splicing structure of the present invention.
- Figure 3 is a graph of the heat treatment process.
- FIG. 4 is a flow chart showing the manufacturing process of the metallurgical slag tank of the novel structure of the present invention.
- Figure 5 is a partial cross-sectional view showing the trunnion of the metallurgical slag can of the novel splicing structure of the present invention.
- Figure 6 is a partial cross-sectional view of the new spliced structure metallurgical slag of the present invention perpendicular to the trunnion.
- Figure 7 is a partial cross-sectional view as seen from the left side of Figure 6.
- Figure 8 is a plan view of Figure 6.
- 1 is the slag tank body
- 3 is the tank wall
- 2 is the tank mouth reinforcement ring
- 4 is the trunnion force zone
- 5 is the tipping force part "cross” structure
- 6 is the slag tank base
- 7 is the ear Axis
- 8 is the rib plate
- ⁇ is the slag tank wall tilt angle (slope).
- Example 1 a metallurgical slag pot of the novel structure of the present invention and a method of manufacturing the same will be described in detail with reference to the accompanying drawings.
- Example 1 a metallurgical slag pot of the novel structure of the present invention and a method of manufacturing the same will be described in detail with reference to the accompanying drawings.
- Material selection or material selection Choose carbon steel or low alloy steel such as 16Mn (Q345B, C, D), SM490 (B, C) and other wide and thick alloy steel plates 3-8 pieces.
- the steel sheet has a thickness ranging from 40 mm to 80 mm.
- the "X" type groove, tank can be used for the docking of the thick plate of the tank, the reinforcing flange of the mouth, the main board of the tilting force receiving part, and the longitudinal main rib of the force receiving area of the trunnion.
- the bottom of the body base is used
- H08Mn, H08MnA, H10Mn2 or H08Mn2Si is used for the silk. It can also be made by hand-made C02 gas-protected boring, and the wire is made of H08Mn2Si, ⁇ 1.2mm, and then buried by arc. Manual arc ⁇ using E5015 or E5015-G or J507RH, 04mm 0
- 1 is a slag pot body, and a wide-plate alloy steel or a thick-plate carbon steel is selected as a tank wall or a tank bottom or a reinforcing rib, and the wide-thick plate alloy steel or thick plate carbon steel is 3- 12 pieces.
- the steel plate has a thickness ranging from 40 to 120 mm and is manufactured by a splicing method.
- the can reinforcement ring that is, the can flange.
- the "reinforcing flange ring” is formed in the form of a reinforcing rib (plate) at the outer periphery of the slag pot mouth to form a rib or a reinforcing rib integrally connected in the longitudinal direction and the transverse direction to solve the problem of the strength and deformation of the mouth, that is, to solve the can mouth High temperature strength to prevent deformation of the tank.
- the metallurgical slag tank of the novel structure adopts a tank wall slope (slope) (a) in the range of 75 ° to 45 °.
- the purpose is to solve the problems of high-temperature heat dissipation, high-temperature slag particles on the slag tank wall, the scouring, scouring, penetration, burn-through problems, and slag and slag discharge processes.
- the rib (plate) structure is combined with “three vertical and two horizontal” plus “cover”.
- the so-called “three vertical and two horizontal” plus “cover” rib combination (board) structure, gp, trunnion bearing area is composed of three longitudinal stiffeners of different lengths and two transverse stiffeners.
- the structure, on which the rib cover is spliced in a cover shape, constitutes a combined structure, and the purpose thereof is to solve the problem of the force of the trunnion.
- the "cross” structure is a “cross” shaped rib (plate) structure.
- the bottom of the tank (base) adopts a "T-shaped" rib structure.
- gP using a flat steel plate as the slag tank base and the steel plate as the tank wall, and then splicing the rib plate in the lower part of the flat slag tank base, the flat slag tank base and the rib plate section spliced to the lower part thereof Into the "T" character.
- the slag can trunnion and the tank body are connected by high-strength bolts, the trunnion is forged, and the material can be carbon steel or alloy steel.
- the trunnion processing technique is as follows.
- Tear shaft connection high-strength bolt The trunnion is bolted to the tank body, and the bolt is made of high-strength hexagonal round stud bolt (GB/T70. 1-2000), specification M30 X 70, performance grade 8. 8, material 35CrMo.
- the ribs include can reinforcement ribs (plates), tank tilting ribs (plates), trunnion reinforcement ribs (plates), and base reinforcement ribs (plates).
- the purpose is to increase the strength and rigidity of the slag tank, reduce the weight, save materials, uniform stress, and optimize the force.
- the reinforcing ribs use the cut steel sheets of the present invention.
- the material re-inspection and inspection standards are as follows.
- pre-heating and layer temperature (interlayer temperature) control using computer temperature control instrument, heating the splicing groove and the sides of the groove 150mm to 100 °C ⁇ 150 by self-controlled electric heating method °C, the interlayer temperature is not lower than the preheating temperature.
- ⁇ 10 ⁇ 2 ⁇ 4 ⁇ is used for the filature
- SJ101 is used for the enamel.
- connection requirements When using manual electric rafts, use DC power supply, use E5015-G (J507RH) ⁇ 4 ⁇ , splicing current is 150A, and the length of each splicing is controlled to 150 ⁇ 200mm , multi-layer multi-channel rafting, road clearing slag, smashing it with a vibrating gun to relieve stress, and brushing with wire to prevent new defects.
- the reverse polarity is connected by the DC power source; the use of the wire is taken out of the box, and the same day when the bag is opened; the acceptance of the wire is pressed.
- the carbon dioxide gas for the splicing shall comply with the GB6052 "industrial liquid carbon dioxide" first-class quality standard, the volume capacity should be greater than 99. 5%, the moisture content should be no greater than 0. 05%.
- the pressure of carbon dioxide gas is less than I MPa, it is stopped to prevent the generation of spliced pores.
- FIG. 1 The manufacturing process flow of the novel structural metallurgical slag tank of this embodiment is shown in FIG.
- the heat treatment process of the metallurgical slag can manufacturing process of the novel structure is as follows.
- Heat treatment process curve heating temperature: 620 ⁇ 20 ° C; heating rate: 150 ° C / h; holding time: 220-240 min ; cooling rate: 120-150 ° C / h, air cooling below 400 ° C.
- the volume of the present invention is 5.3 cubic meters, 15 cubic meters, and 18 cubic meters, respectively.
- the slag pots of the present invention having a volume of 5.3 cubic meters, 15 cubic meters, 18 cubic meters to 33 cubic meters, and the like were separately produced as in the first embodiment.
- Material selection or material selection Select 8-12 blocks of wide carbon steel such as 20g, 20#, 25#. It is formed by either rolling or roll forming.
- the steel plate has a thickness ranging from 80 mm to 120 mm; the tank is spliced: an automatic electroslag slag is used; and the metallurgical slag tank of the novel structure adopts a slope of a tank wall having a gradient ( ⁇ ) in the range of 75° to 55°.
- the bottom of the tank adopts the "arc-bottom” structure, gp, and the concave arc-shaped steel plate is used as the slag tank base and the steel plate as the tank wall is spliced and integrated, and the rib plate is connected to the lower part of the concave arc-shaped slag tank base.
- Cooling speed 90-120 ° C / h;
- the ribs are also arranged on the outer side of the bottom of the tank bottom. board.
- the metallurgical slag tank of the present invention is spliced into a tank by a splicing process.
- the grain uniformity of the steel plate is like that of general rolled steel. Therefore, the slag pot has good smearability and repairability, which can greatly prolong the service life of the slag tank, and can eliminate the safety hazards such as slag tank cracking which often occurs in the production site. Significantly reduce costs.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Manufacture Of Iron (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Heat Treatment Of Articles (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020107029400A KR101273419B1 (ko) | 2008-06-03 | 2009-06-01 | 새로운 타입의 구조를 가지는 야금 슬래그 레이들 및 그의 제조방법 |
JP2011511958A JP5829518B2 (ja) | 2008-06-03 | 2009-06-01 | 新型構造とする冶金スラグポット及びその製造方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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CNU2008200593327U CN201217662Y (zh) | 2008-06-03 | 2008-06-03 | 渣罐 |
CN200820059332.7 | 2008-06-03 | ||
CN200810042472.8 | 2008-09-04 | ||
CN2008100424728A CN101368220B (zh) | 2008-09-04 | 2008-09-04 | 一种冶金渣罐及其制造方法 |
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WO2009146638A1 true WO2009146638A1 (zh) | 2009-12-10 |
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PCT/CN2009/072066 WO2009146638A1 (zh) | 2008-06-03 | 2009-06-01 | 一种新型结构的冶金渣罐及其制造方法 |
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JP (1) | JP5829518B2 (zh) |
KR (1) | KR101273419B1 (zh) |
WO (1) | WO2009146638A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101934420A (zh) * | 2010-08-18 | 2011-01-05 | 中信重工机械股份有限公司 | 一种锥形磨机装焊方法 |
KR101190773B1 (ko) | 2010-12-27 | 2012-10-12 | (주)동양특수주강 | 제강용 슬래그포트의 트러니언샤프트 및 그 제조방법과 이를 통해 제조된 슬래그포트 |
CN109590580A (zh) * | 2018-12-24 | 2019-04-09 | 深圳能源资源综合开发有限公司 | 一种厌氧罐底板焊接变形控制方法 |
CN112280923A (zh) * | 2020-09-28 | 2021-01-29 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 焊条钢H08Mn的冶炼方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104308547B (zh) * | 2014-09-30 | 2017-02-22 | 福建长风压缩机有限公司 | 罐体生产线 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2071233A (en) * | 1936-06-13 | 1937-02-16 | Fritz C Merk | Welded rolled steel cinder pot |
US4131265A (en) * | 1976-10-12 | 1978-12-26 | Mccray Walter A | Slag pots |
NL7807707A (nl) * | 1978-07-19 | 1980-01-22 | Hoogovens Ijmuiden Bv | Slakkenpan. |
SU1232683A1 (ru) * | 1984-12-11 | 1986-05-23 | Днепропетровский Завод Металлургического Оборудования | Шлакова чаша |
CN2199214Y (zh) * | 1994-06-17 | 1995-05-31 | 李力行 | 组合式钢渣罐 |
CN101368220A (zh) * | 2008-09-04 | 2009-02-18 | 宝山钢铁股份有限公司 | 一种新型结构的冶金渣罐及其制造方法 |
CN201217662Y (zh) * | 2008-06-03 | 2009-04-08 | 中冶宝钢技术服务有限公司 | 渣罐 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2205940A (en) * | 1939-05-02 | 1940-06-25 | M H Treadwell Co Inc | Ladle |
JPS6034009Y2 (ja) * | 1983-10-24 | 1985-10-09 | 株式会社クボタ | 鋼滓鍋 |
JPS6286104A (ja) * | 1985-10-11 | 1987-04-20 | Kobe Steel Ltd | スラグポツト |
JPS62196309A (ja) * | 1986-02-20 | 1987-08-29 | Kobe Steel Ltd | スラグポツトの改造修理方法 |
JPS6350068Y2 (zh) * | 1986-06-05 | 1988-12-22 | ||
JPS63295458A (ja) * | 1987-05-26 | 1988-12-01 | Kazuhisa Hoshino | 電気炉製鋼で発生する熔融スラグの分割回収方法及びその再生処理方法 |
JP3770778B2 (ja) * | 2000-08-02 | 2006-04-26 | Tcm株式会社 | 容器とこの容器を運搬する荷役車両 |
KR100784222B1 (ko) * | 2001-08-20 | 2007-12-10 | 주식회사 포스코 | 경동장치가 구비된 슬래그포트 |
JP2004361025A (ja) * | 2003-06-05 | 2004-12-24 | Furukawa Co Ltd | スラグ用の取鍋及び取鍋の集合体 |
-
2009
- 2009-06-01 WO PCT/CN2009/072066 patent/WO2009146638A1/zh active Application Filing
- 2009-06-01 JP JP2011511958A patent/JP5829518B2/ja active Active
- 2009-06-01 KR KR1020107029400A patent/KR101273419B1/ko active IP Right Grant
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2071233A (en) * | 1936-06-13 | 1937-02-16 | Fritz C Merk | Welded rolled steel cinder pot |
US4131265A (en) * | 1976-10-12 | 1978-12-26 | Mccray Walter A | Slag pots |
NL7807707A (nl) * | 1978-07-19 | 1980-01-22 | Hoogovens Ijmuiden Bv | Slakkenpan. |
SU1232683A1 (ru) * | 1984-12-11 | 1986-05-23 | Днепропетровский Завод Металлургического Оборудования | Шлакова чаша |
CN2199214Y (zh) * | 1994-06-17 | 1995-05-31 | 李力行 | 组合式钢渣罐 |
CN201217662Y (zh) * | 2008-06-03 | 2009-04-08 | 中冶宝钢技术服务有限公司 | 渣罐 |
CN101368220A (zh) * | 2008-09-04 | 2009-02-18 | 宝山钢铁股份有限公司 | 一种新型结构的冶金渣罐及其制造方法 |
Non-Patent Citations (3)
Title |
---|
AN ZHENGKUN, HEAT-TREATMENT OF STEEL AND IRON. MECHANICAL INDUSTRY PRESS, June 1985 (1985-06-01), pages 134 * |
CHENG HANHUA, WELDING TECHNOLOGY. WATER CONSERVANCY AND ELECTRIC POWER PRESS, May 1995 (1995-05-01), pages 162 - 163 * |
NATIONAL STANDARD OF PEOPLE'S REPUBLIC OF CHINA GB985-88: BASIC FORMS AND SIZES OF WELD GROOVES FOR GAS WELDING MANUAL ARC WELDING AND GAS-SHIELDED ARC WELDING, 1989 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101934420A (zh) * | 2010-08-18 | 2011-01-05 | 中信重工机械股份有限公司 | 一种锥形磨机装焊方法 |
KR101190773B1 (ko) | 2010-12-27 | 2012-10-12 | (주)동양특수주강 | 제강용 슬래그포트의 트러니언샤프트 및 그 제조방법과 이를 통해 제조된 슬래그포트 |
CN109590580A (zh) * | 2018-12-24 | 2019-04-09 | 深圳能源资源综合开发有限公司 | 一种厌氧罐底板焊接变形控制方法 |
CN112280923A (zh) * | 2020-09-28 | 2021-01-29 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 焊条钢H08Mn的冶炼方法 |
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JP5829518B2 (ja) | 2015-12-09 |
KR101273419B1 (ko) | 2013-06-11 |
JP2011523980A (ja) | 2011-08-25 |
KR20110025927A (ko) | 2011-03-14 |
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