CN101869969B - The copper coin assembly method of slab caster mould - Google Patents
The copper coin assembly method of slab caster mould Download PDFInfo
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- CN101869969B CN101869969B CN201010192433.3A CN201010192433A CN101869969B CN 101869969 B CN101869969 B CN 101869969B CN 201010192433 A CN201010192433 A CN 201010192433A CN 101869969 B CN101869969 B CN 101869969B
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Abstract
The present invention relates to parts or the annex installing area of oven, be specially a kind of copper coin assembly method of slab caster mould.A kind of copper coin assembly method of slab caster mould, comprise the cleaning copper coin and assembling copper coin two steps that carry out successively, it is characterized in that: during cleaning copper coin, the incrustation scale on backboard and copper coin (1) surface is scalped with perching knife, with sand papering back plate surface, copper coin (1) surface and backboard and copper coin (1) both contact surfaces, during assembling copper coin, according to the order of both sides expansion to the left and right by column behind first centre time fastening bolt (21), time fastening, use torque spanner.Construction period of the present invention is short, and the cost of overhaul is low, effectively simple to operate, and repair quality is high.
Description
Technical field
The present invention relates to parts or the annex installing area of oven, be specially a kind of copper coin assembly method of slab caster mould.
Background technology
Crystallizer is the critical component of conticaster, and molten steel cools preliminary coagulation forming exactly in crystallizer, therefore is called as " heart " of conticaster.Crystallizer does liner by the copper and copper alloy of excellent thermal conductivity, and outer surface cover has chuck to cool with water flowing.In process of production, crystallizer constantly will stand high temperature, high pressure and the strong impact rubbed, working environment is extremely severe, often occurs the phenomenons such as the uneven and copper coin strand exit wearing and tearing of copper coin crackle, copper coin bulge, hot-fluid, now just must be keeped in repair crystallizer.During maintenance, need leptoprosopy, wide the copper coin of dismantling crystallizer liner, current conventional method is: will connect the disassembling bolts of each piece of copper coin and backboard one by one, fluid sealant or sealing strip is smeared again after bolted, there are three defects in this way: first is in the dismounting of bolt and fastener cycle, due to the unbalance stress of copper coin and backboard, cause dismounting and fastening difficulty, the engineering time is long; Second sealing property is bad, and easily cause and leak, Safety Risk in Production is high; 3rd is that repair quality is poor, and repair rate is high.
Summary of the invention
In order to overcome the defect of prior art, a kind of easy accessibility, finished product good airproof performance and the soaking pit accessory installation method of uniform force, easy access being provided, the invention discloses a kind of copper coin assembly method of slab caster mould.
The present invention reaches goal of the invention by following technical solution:
A kind of copper coin assembly method of slab caster mould, comprise the cleaning copper coin and assembling copper coin two steps that carry out successively, the copper coin assembled divides narrow copper plate and wide copper coin two kinds, copper coin width is narrow copper plate between 200mm ~ 300mm, copper coin width 1500mm and above be wide copper coin, the concrete steps of assembling narrow copper plate are:
During cleaning copper coin, carry out as follows: the backboard of crystallizer and copper coin are separated, scalp the incrustation scale on backboard and copper coin surface with perching knife, with sand papering back plate surface, copper coin surface to remove burr and pitted skin, the contact surface of backboard and copper coin also uses sand papering smooth.
During assembling copper coin, carry out as follows: first make it flat smooth with the red copper pad on sand papering backboard, then after smearing lubricating grease on sealing strip, sealing strip is put into the mounting groove of backboard, the joint of sealing strip is placed in bottom backboard, copper coin is buckled again outside sealing strip, installing hole on copper coin and the installing hole on backboard are alignd one by one, and make red copper pad between backboard and copper coin, then use the installing hole on screw bolt passes copper coin and backboard by copper coin and backboard fastening, according to the order of both sides expansion to the left and right by column behind first centre during fastening bolt, the i.e. bolt of first fastening centre one row, then the bolt in the middle of fastening next-door neighbour on the left of row, bolt again in the middle of fastening next-door neighbour on the right side of row, after middle three row bolts are all fastening, bolt again in the middle of fastening next-door neighbour on the left of three row, bolt again in the middle of fastening next-door neighbour on the right side of three row, and so forth until by all fastening for all bolts complete, torque spanner is used time fastening.During fastening bolt, each bolt all fastening twice, when first time is fastening, torsional moment used is 30Nm, when second time is fastening, torsional moment used is 60Nm, and carry out examination water pressurize test after assembling, water pressure testing power is 1.5MPa, dwell time >=30min, pressure is qualified without leakage.
The concrete steps of assembling wide copper coin are: during assembling copper coin, carry out as follows, after sealing strip is smeared lubricating grease, sealing strip is put into the mounting groove of backboard, the joint of sealing strip is placed in bottom backboard, copper coin is buckled again outside sealing strip, iron filings in backboard and foreign material should be removed totally, installing hole on copper coin and the installing hole on backboard are alignd one by one, O-ring seals is filled in gland, gland is placed on heterotypic bolt, use butterfly spring pressing, then with heterotypic bolt successively through the installing hole on copper coin and backboard by copper coin and backboard fastening, according to the order that first middle rear annular is launched towards periphery during fastening heterotypic bolt, the i.e. first fastening heterotypic bolt being positioned at center, then by the clockwise or counter clockwise direction fastening heterotypic bolt being positioned at the outer circle of center heterotypic bolt successively, again according to the heterotypic bolt of the fastening outer circle in same direction, and so forth until by all fastening for all heterotypic bolts complete, torque spanner is used time fastening.During fastening heterotypic bolt, all fastening twice of each heterotypic bolt, when first time is fastening, torsional moment used is 40Nm, when second time is fastening, torsional moment used is 80Nm, examination water pressurize test is carried out after assembling, water pressure testing power is 1.5MPa, dwell time >=30min, pressure is qualified without leakage.
Narrow copper plate and wide copper coin are after completing cleaning copper coin and assembling copper coin two steps, all carry out the pressurize of entirety examination water, the pressurize of overall examination water is carried out as follows: be installed in crystallizer by the backboard and copper coin that are linked to be entirety, water pressure testing power is 1.2 times of design pressure, dwell time >=30min, if pressure drop≤0.02Mpa is qualified, otherwise each connection place should be reexamined and whether leak between copper coin and backboard, until examination water is completely qualified.
Adopt the present invention to assemble the copper coin of slab caster mould, tool has the following advantages: 1. obviously shorten replacing consuming time, make the duration foreshorten to 16 hours from more than original 30 hours; 2. the off-time of continuous casting production is short, substantially increases production efficiency; 3. greatly reduce sealing drainage, reduce Safety Risk in Production, repair quality safety coefficient is high.4. reduce maintenance cost, save a large amount of labour cost;
The invention has the beneficial effects as follows: the construction period is short, the cost of overhaul is low, effectively simple to operate, and repair quality is high.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the fastening bolt when copper coin is narrow copper plate when assembling copper coin in the present invention;
Fig. 2 is the schematic diagram of the fastening heterotypic bolt when copper coin is wide copper coin when assembling copper coin in the present invention.
Detailed description of the invention
The present invention is further illustrated below by way of specific embodiment.
Embodiment 1
A kind of copper coin assembly method of slab caster mould, comprise cleaning copper coin, assembling copper coin and overall examination water pressurize three steps of carrying out successively, the copper coin assembled divides narrow copper plate and wide copper coin two kinds, copper coin width is narrow copper plate between 200mm ~ 300mm, in the present embodiment, the width of narrow copper plate is 230mm, and when copper coin is narrow copper plate, the concrete steps of assembling are:
During cleaning copper coin, carry out as follows: the backboard of crystallizer and copper coin 1 are separated, scalp the incrustation scale on backboard and copper coin 1 surface with perching knife, with sand papering back plate surface, copper coin 1 surface to remove burr and pitted skin, backboard and the contact surface both copper coin 1 also use sand papering smooth.
During assembling copper coin, carry out as follows: first make it flat smooth with the red copper pad on sand papering backboard, then after smearing lubricating grease on sealing strip, sealing strip is put into the mounting groove of backboard, the joint of sealing strip is placed in bottom backboard, copper coin 1 is buckled again outside sealing strip, installing hole on copper coin 1 and the installing hole on backboard are alignd one by one, and make red copper pad between backboard and copper coin 1, then use the installing hole on screw bolt passes copper coin 1 and backboard by copper coin 1 and backboard fastening, during fastening bolt as shown in Figure 1, according to the order of both sides expansion to the left and right by column behind first centre, the first bolt of fastening centre one row, namely in Fig. 1 with the bolt shown in diagonal line hatches, then the bolt in the middle of fastening next-door neighbour on the left of row, bolt again in the middle of fastening next-door neighbour on the right side of row, after middle three row bolts are all fastening, bolt again in the middle of fastening next-door neighbour on the left of three row, bolt again in the middle of fastening next-door neighbour on the right side of three row, fastening bearing of trend as shown by the arrows in Figure 1, and so forth until by all fastening for all bolts complete, torque spanner is used time fastening.During fastening bolt, each bolt all fastening twice, when first time is fastening, torsional moment used is 30Nm, when second time is fastening, torsional moment used is 60Nm, and carry out examination water pressurize test after assembling, water pressure testing power is 1.5MPa, dwell time >=30min, pressure is qualified without leakage.
The pressurize of overall examination water is carried out as follows: be installed in crystallizer by the backboard and copper coin 1 that are linked to be entirety, water pressure testing power is 1.2 times of design pressure, dwell time >=30min, if pressure drop≤0.02Mpa is qualified, whether otherwise should reexamine each connection place and leak between copper coin 1 and backboard, until examination water is completely qualified.
Embodiment 2
A kind of copper coin assembly method of slab caster mould, comprise the cleaning copper coin and assembling copper coin two steps that carry out successively, the copper coin assembled divides narrow copper plate and wide copper coin two kinds, copper coin width 1500mm and above be wide copper coin, in the present embodiment, wide copper coin is trapezoidal, wide 1733.5mm suitable for reading, the wide 1718.5mm of end opening, when copper coin is wide copper coin, the concrete steps of assembling are:
Cleaning copper coin and embodiment 1 are together.
During assembling copper coin, carry out as follows, after sealing strip is smeared lubricating grease, sealing strip is put into the mounting groove of backboard, the joint of sealing strip is placed in bottom backboard, copper coin 1 is buckled again outside sealing strip, iron filings in backboard and foreign material should be removed totally, installing hole on copper coin 1 and the installing hole on backboard are alignd one by one, O-ring seals is filled in gland, the specification of O-ring seals is 18mm × 3.1mm and 30mm × 3.1mm, gland is placed on heterotypic bolt 22, use butterfly spring pressing, then with heterotypic bolt 22 successively through the installing hole on copper coin 1 and backboard by copper coin 1 and backboard fastening, during fastening heterotypic bolt 22 as shown in Figure 2, according to the order that first middle rear annular is launched towards periphery, the first fastening heterotypic bolt 22 being positioned at center, namely in Fig. 2 with the heterotypic bolt 22 shown in diagonal line hatches, then by the clockwise or counter clockwise direction fastening heterotypic bolt 22 being positioned at the outer circle of center heterotypic bolt 22 successively, again according to the heterotypic bolt 22 of the fastening outer circle in same direction, fastening bearing of trend as shown by the arrows in Figure 2, and so forth until by all fastening for all heterotypic bolts 22 complete, torque spanner is used time fastening.During fastening heterotypic bolt 22, all fastening twice of each heterotypic bolt 22, when first time is fastening, torsional moment used is 40Nm, when second time is fastening, torsional moment used is 80Nm, examination water pressurize test is carried out after assembling, water pressure testing power is 1.5MPa, dwell time >=30min, pressure is qualified without leakage.
Entirety tries water pressurize and embodiment 1 is same.
Claims (3)
1. a copper coin assembly method for slab caster mould, comprises the cleaning copper coin and assembling copper coin two steps that carry out successively,
During cleaning copper coin, carry out as follows: the backboard of crystallizer and copper coin (1) are separated, the incrustation scale on backboard and copper coin (1) surface is scalped with perching knife, with sand papering back plate surface, copper coin (1) surface and backboard and copper coin (1) both contact surfaces
During assembling copper coin, carry out as follows: first use the red copper pad on sand papering backboard, then after smearing lubricating grease on sealing strip, sealing strip is put into the mounting groove of backboard, the joint of sealing strip is placed in bottom backboard, copper coin (1) is buckled again outside sealing strip, installing hole on copper coin (1) and the installing hole on backboard are alignd one by one, and make red copper pad between backboard and copper coin (1), then use bolt (21) successively through the installing hole on copper coin (1) and backboard by copper coin (1) and backboard fastening, according to the order of both sides expansion to the left and right by column behind first centre time fastening bolt (21), the i.e. bolt (21) of first fastening centre one row, then the bolt (21) in the middle of fastening next-door neighbour on the left of row, bolt (21) again in the middle of fastening next-door neighbour on the right side of row, after middle three row bolts (21) are all fastening, bolt (21) again in the middle of fastening next-door neighbour on the left of three row, bolt (21) again in the middle of fastening next-door neighbour on the right side of three row, and so forth until by all fastening for all bolts (21) complete, torque spanner is used time fastening,
It is characterized in that: during assembling copper coin, when fastening bolt (21), all fastening twice of each bolt (21), when first time is fastening, torsional moment used is 30Nm, when second time is fastening, torsional moment used is 60Nm, and carry out examination water pressurize test after assembling, water pressure testing power is 1.5MPa, dwell time >=30min, pressure is qualified without leakage.
2. a copper coin assembly method for slab caster mould, comprises the cleaning copper coin and assembling copper coin two steps that carry out successively,
During cleaning copper coin, carry out as follows: the backboard of crystallizer and copper coin (1) are separated, the incrustation scale on backboard and copper coin (1) surface is scalped with perching knife, with sand papering back plate surface, copper coin (1) surface and backboard and copper coin (1) both contact surfaces
During assembling copper coin, carry out as follows: first use the red copper pad on sand papering backboard, then after smearing lubricating grease on sealing strip, sealing strip is put into the mounting groove of backboard, the joint of sealing strip is placed in bottom backboard, copper coin (1) is buckled again outside sealing strip, installing hole on copper coin (1) and the installing hole on backboard are alignd one by one, and make red copper pad between backboard and copper coin (1), then use bolt (21) successively through the installing hole on copper coin (1) and backboard by copper coin (1) and backboard fastening, according to the order of both sides expansion to the left and right by column behind first centre time fastening bolt (21), the i.e. bolt (21) of first fastening centre one row, then the bolt (21) in the middle of fastening next-door neighbour on the left of row, bolt (21) again in the middle of fastening next-door neighbour on the right side of row, after middle three row bolts (21) are all fastening, bolt (21) again in the middle of fastening next-door neighbour on the left of three row, bolt (21) again in the middle of fastening next-door neighbour on the right side of three row, and so forth until by all fastening for all bolts (21) complete, torque spanner is used time fastening,
It is characterized in that: during assembling copper coin, carry out as follows, after sealing strip is smeared lubricating grease, sealing strip is put into the mounting groove of backboard, the joint of sealing strip is placed in bottom backboard, copper coin (1) is buckled again outside sealing strip, installing hole on copper coin (1) and the installing hole on backboard are alignd one by one, O-ring seals is filled in gland, gland is placed on heterotypic bolt (22), use butterfly spring pressing, then use heterotypic bolt (22) successively through the installing hole on copper coin (1) and backboard by copper coin (1) and backboard fastening, according to the order that first middle rear annular is launched towards periphery time fastening heterotypic bolt (22), the i.e. first fastening heterotypic bolt (22) being positioned at center, then by the clockwise or counter clockwise direction fastening heterotypic bolt (22) being positioned at the outer circle of center bolt successively, again according to the heterotypic bolt (22) of the fastening outer circle in same direction, and so forth until by all fastening for all heterotypic bolts (22) complete, torque spanner is used time fastening,
During assembling copper coin, when fastening heterotypic bolt (22), all fastening twice of each heterotypic bolt (22), when first time is fastening, torsional moment used is 40Nm, when second time is fastening, torsional moment used is 80Nm, and carry out examination water pressurize test after assembling, water pressure testing power is 1.5MPa, dwell time >=30min, pressure is qualified without leakage.
3. the copper coin assembly method of slab caster mould as claimed in claim 1 or 2, it is characterized in that: after completing cleaning copper coin and assembling copper coin two steps, also carry out the pressurize of entirety examination water, the pressurize of overall examination water is carried out as follows: be installed in crystallizer by the backboard and copper coin (1) that are linked to be entirety, water pressure testing power is 1.2 times of design pressure, dwell time >=30min, if pressure drop≤0.02Mpa is qualified.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010192433.3A CN101869969B (en) | 2010-06-03 | 2010-06-03 | The copper coin assembly method of slab caster mould |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010192433.3A CN101869969B (en) | 2010-06-03 | 2010-06-03 | The copper coin assembly method of slab caster mould |
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| CN101869969A CN101869969A (en) | 2010-10-27 |
| CN101869969B true CN101869969B (en) | 2015-07-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102554154A (en) * | 2012-02-16 | 2012-07-11 | 中国十七冶集团有限公司 | On-site maintenance method for slab continuous casting mold |
| JP6104029B2 (en) * | 2013-04-18 | 2017-03-29 | 株式会社ディスコ | Grinding wheel |
| CN114043190A (en) * | 2021-11-09 | 2022-02-15 | 攀钢集团工程技术有限公司 | Method for assembling wide-surface copper plate of slab caster crystallizer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0788597A (en) * | 1993-09-17 | 1995-04-04 | Kawasaki Steel Corp | Continuous casting method |
| CN2202131Y (en) * | 1994-05-24 | 1995-06-28 | 山西太原钢铁公司 | Long-life energy-saving electroslag remelting crystallizer |
-
2010
- 2010-06-03 CN CN201010192433.3A patent/CN101869969B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0788597A (en) * | 1993-09-17 | 1995-04-04 | Kawasaki Steel Corp | Continuous casting method |
| CN2202131Y (en) * | 1994-05-24 | 1995-06-28 | 山西太原钢铁公司 | Long-life energy-saving electroslag remelting crystallizer |
Non-Patent Citations (2)
| Title |
|---|
| 连铸机结晶器铜板的修复;王隆寿;《宝钢技术》;19910430(第4期);第31-43页 * |
| 连铸结晶器制造与维修工艺研究;张文周;《冶金设备》;20020630(第3期);第55-57页 * |
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