CN103600058A - Nodulizing ladle repair process - Google Patents
Nodulizing ladle repair process Download PDFInfo
- Publication number
- CN103600058A CN103600058A CN201310615502.0A CN201310615502A CN103600058A CN 103600058 A CN103600058 A CN 103600058A CN 201310615502 A CN201310615502 A CN 201310615502A CN 103600058 A CN103600058 A CN 103600058A
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- Prior art keywords
- repair
- construction materials
- nodularization
- charcoal ash
- ladle
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Abstract
The invention provides a nodulizing ladle repair process which is characterized by including the steps of firstly, preparing before repair; secondly, preparing first ladle repair material and second ladle repair material; thirdly, repairing nodulizing chambers; fourthly, repairing nodulizing ladle bodies; wherein the first ladle repair material comprises, by weight, 25-35 parts of quartz powder, 70-80 parts of red silica powder, and the balance of water; the second ladle repair material comprises, by weight, 15-25 parts of quartz powder, 60-70 parts of coke powder, 5-15 parts of black charcoal ash, 2-6 parts of white charcoal ash, and the balance of water. The nodulizing ladle repair process has the advantages that different ladle repair materials are used during repair of the nodulizing chambers and the nodulizing ladle bodies, and a certain amount of black charcoal ash and white charcoal ash is added to the ladle repair material used for repairing the nodulizing chambers to allow the repaired nodulizing chambers are less prone to erosion and the molten iron in the ladles to be stable in temperature; a coating is coated in each nodulizing ladle body after the ladle repair material is spread into the same, slag adhering to the wall of each ladle can be avoided by the coating, and the nodulizing ladle can be cleaned easily.
Description
Technical field
The present invention relates to a kind of job contract skill of repairing, relate in particular to a kind of nodularization and guarantee the repair free of charge job contract skill, belong to metallurgical casting technical field.
Background technology
Nodularization bag, bag bucket diameter is reasonable with height ratio, and in nodularization bag, molten iron pours method spheroidising, increased the time of contact with nodulizer, improved nodulizer absorptivity, nodularization effect stability, inclusion steel plate is thicker, and the bag end adopts tapering, end hoop, weldering muscle to combine.After the long-time use of nodularization bag, easily occur breakage, the problem that cylinder-packing corrodes, if do not repaired, can affect nodularization effect.At present, common nodularization is guaranteed the repair free of charge in job contract skill and is used the identical construction materials contract of repairing for repairing nodularization chamber with nodularization bag inclusion, while reusing through the nodularization bag of repairing like this, is more easily etched, and bag wall hanging slag is serious, and the molten iron temperature in bag is unstable.
Summary of the invention
In order to solve the deficiency in background technology, the object of the invention is to overcome the defect of background technology, provide a kind of nodularization to guarantee the repair free of charge job contract skill, while reusing after repairing, nodularization chamber is difficult for being etched, and bag wall is difficult for dross, and in bag, molten iron temperature is stable.
For achieving the above object, the technical solution used in the present invention is: job contract skill is guaranteed the repair free of charge in a kind of nodularization, it is characterized in that: comprise the following steps
1) repair the front preparation of bag, repair Bao Qianxian slag, splashings and loosening cylinder-packing in bag are cleaned out, the rigorous irony thing that leaves;
2) packaging material material is repaiied in preparation, preparation first is repaiied construction materials contract and second and is repaiied construction materials contract, the described first constituent and weight ratio thereof of repairing construction materials contract is: silica flour 25 ~ 35, red Cab-O-sil 70 ~ 80, all the other are water, the described second constituent and weight ratio thereof of repairing construction materials contract is: silica flour 15 ~ 25, coke blacking 60 ~ 70, black wood charcoal ash 5 ~ 15, hard charcoal ash 2 ~ 6, all the other are water;
3) repair nodularization chamber, by described first, repair construction materials contract and evenly drop into bottom, nodularization chamber, then put into stock mould, with first, repair construction materials contract and fill the gap between nodularization locular wall and stock mould, with fast vibration battering ram, to first, repair construction materials contract and carry out taking out stock mould after punching press tamping, at the temperature of 240 ~ 260 ℃, toast 2 ~ 3 hours;
4) repair nodularization bag inclusion, on the inwall of nodularization bag inclusion, apply one deck silica flour slurry, be then evenly sprinkled into second and repair construction materials contract, apply again a coating after beating reality, at the temperature of 300 ~ 340 ℃, toast 3 ~ 5 hours, complete and repair job contract skill.
In a preferred embodiment of the present invention, further comprise that the constituent of coating used in step 4) and weight ratio thereof are: silica flour 50 ~ 60, bentonite 20 ~ 30, black wood charcoal ash 10 ~ 16, hard charcoal ash 5 ~ 13, all the other are water.
In a preferred embodiment of the present invention, further comprise that the constituent of coating used in step 4) and weight ratio thereof are: silica flour 55, bentonite 25, black wood charcoal ash 13, hard charcoal ash 9, all the other are water.
In a preferred embodiment of the present invention, further comprise that the described first constituent and weight ratio thereof of repairing construction materials contract is: silica flour 30, red Cab-O-sil 75, all the other are water.
In a preferred embodiment of the present invention, further comprise that the described second constituent and weight ratio thereof of repairing construction materials contract is: silica flour 20, coke blacking 65, black wood charcoal ash 10, hard charcoal ash 4, all the other are water.
Usefulness of the present invention is: 1, job contract skill is guaranteed the repair free of charge in a kind of nodularization of the present invention, for nodularization chamber and nodularization bag inclusion, adopt the different construction materials contracts of repairing, repairing of using in nodularization chamber added black wood charcoal ash and the hard charcoal of certain ingredients grey in construction materials contract, while reusing after making to repair, nodularization chamber is difficult for being etched, and in bag, molten iron temperature is stable;
2, in nodularization bag inclusion, be evenly sprinkled into after repairing construction materials contract and apply a coating again, the coating of coating has solved bag wall hanging slag problem well, makes nodularization bag be easy to cleaning.
The specific embodiment
In order to make those skilled in the art person understand better the present invention program, and above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with embodiment, the present invention is further detailed explanation.
A job contract skill is guaranteed the repair free of charge in nodularization, comprises the following steps
1) repair the front preparation of bag, repair Bao Qianxian slag, splashings and loosening cylinder-packing in bag are cleaned out, the rigorous irony thing that leaves;
2) packaging material material is repaiied in preparation, preparation first is repaiied construction materials contract and second and is repaiied construction materials contract, the described first constituent and weight ratio thereof of repairing construction materials contract is: silica flour 25 ~ 35, red Cab-O-sil 70 ~ 80, all the other are water, the described second constituent and weight ratio thereof of repairing construction materials contract is: silica flour 15 ~ 25, coke blacking 60 ~ 70, black wood charcoal ash 5 ~ 15, hard charcoal ash 2 ~ 6, all the other are water;
3) repair nodularization chamber, by described first, repair construction materials contract and evenly drop into bottom, nodularization chamber, then put into stock mould, with first, repair construction materials contract and fill the gap between nodularization locular wall and stock mould, with fast vibration battering ram, to first, repair construction materials contract and carry out taking out stock mould after punching press tamping, at the temperature of 240 ~ 260 ℃, toast 2 ~ 3 hours;
4) repair nodularization bag inclusion, on the inwall of nodularization bag inclusion, apply one deck silica flour slurry, be then evenly sprinkled into second and repair construction materials contract, apply again a coating after beating reality, at the temperature of 300 ~ 340 ℃, toast 3 ~ 5 hours, complete and repair job contract skill.
In preferred step 4), constituent and the weight ratio thereof of coating used are: silica flour 50 ~ 60, and bentonite 20 ~ 30, black wood charcoal ash 10 ~ 16, hard charcoal ash 5 ~ 13, all the other are water.
In preferred step 4), constituent and the weight ratio thereof of coating used are: silica flour 55, and bentonite 25, black wood charcoal ash 13, hard charcoal ash 9, all the other are water.
Preferred first repaiies construction materials contract constituent and weight ratio is: silica flour 30, red Cab-O-sil 75, all the other are water.
Preferred second repaiies construction materials contract constituent and weight ratio is: silica flour 20, and coke blacking 65, black wood charcoal ash 10, hard charcoal ash 4, all the other are water.
Embodiment 1
A job contract skill is guaranteed the repair free of charge in nodularization, comprises the following steps
1) repair the front preparation of bag, repair Bao Qianxian slag, splashings and loosening cylinder-packing in bag are cleaned out, the rigorous irony thing that leaves;
2) packaging material material is repaiied in preparation, preparation first is repaiied construction materials contract and second and is repaiied construction materials contract, the first constituent and weight ratio thereof of repairing construction materials contract is: silica flour 25, red Cab-O-sil 80, all the other are water, the second constituent and weight ratio thereof of repairing construction materials contract is: silica flour 15, coke blacking 70, black wood charcoal ash 5, hard charcoal ash 2, all the other are water;
3) repair nodularization chamber, by described first, repair construction materials contract and evenly drop into bottom, nodularization chamber, then put into stock mould, with first, repair construction materials contract and fill the gap between nodularization locular wall and stock mould, with fast vibration battering ram, to first, repair construction materials contract and carry out taking out stock mould after punching press tamping, at the temperature of 240 ~ 260 ℃, toast 2 ~ 3 hours, wherein the constituent of coating and weight ratio thereof are: silica flour 50, bentonite 30, black wood charcoal ash 10, hard charcoal ash 5, all the other are water.
4) repair nodularization bag inclusion, on the inwall of nodularization bag inclusion, apply one deck silica flour slurry, be then evenly sprinkled into second and repair construction materials contract, apply again a coating after beating reality, at the temperature of 300 ~ 340 ℃, toast 3 ~ 5 hours, complete and repair job contract skill.
Embodiment 2
Processing step in embodiment 2 is identical with embodiment 1, is only that from the difference of embodiment 1 first repaiies construction materials contract, second to repair constituent and the weight ratio thereof of construction materials contract and coating different:
The first constituent and weight ratio thereof of repairing construction materials contract is: silica flour 35, red Cab-O-sil 70, all the other are water; The second constituent and weight ratio thereof of repairing construction materials contract is: silica flour 25, and coke blacking 60, black wood charcoal ash 15, hard charcoal ash 6, all the other are water; The constituent of coating and weight ratio thereof are: silica flour 60, and bentonite 20, black wood charcoal ash 10, hard charcoal ash 5, all the other are water.
Embodiment 3
Processing step in embodiment 3 is identical with embodiment 1, is only that from the difference of embodiment 1 first repaiies construction materials contract, second to repair constituent and the weight ratio thereof of construction materials contract and coating different:
The first constituent and weight ratio thereof of repairing construction materials contract is: silica flour 30, red Cab-O-sil 75, all the other are water; The second constituent and weight ratio thereof of repairing construction materials contract is: silica flour 20, and coke blacking 65, black wood charcoal ash 10, hard charcoal ash 4, all the other are water; The constituent of coating and weight ratio thereof are: silica flour 55, and bentonite 25, black wood charcoal ash 13, hard charcoal ash 9, all the other are water.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not limited by the examples; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify and all should be equivalent substitute mode, within being included in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim was defined.
Claims (5)
1. a job contract skill is guaranteed the repair free of charge in nodularization, it is characterized in that: comprise the following steps
1) repair the front preparation of bag, repair Bao Qianxian slag, splashings and loosening cylinder-packing in bag are cleaned out, the rigorous irony thing that leaves;
2) packaging material material is repaiied in preparation, preparation first is repaiied construction materials contract and second and is repaiied construction materials contract, the described first constituent and weight ratio thereof of repairing construction materials contract is: silica flour 25 ~ 35, red Cab-O-sil 70 ~ 80, all the other are water, the described second constituent and weight ratio thereof of repairing construction materials contract is: silica flour 15 ~ 25, coke blacking 60 ~ 70, black wood charcoal ash 5 ~ 15, hard charcoal ash 2 ~ 6, all the other are water;
3) repair nodularization chamber, by described first, repair construction materials contract and evenly drop into bottom, nodularization chamber, then put into stock mould, with first, repair construction materials contract and fill the gap between nodularization locular wall and stock mould, with fast vibration battering ram, to first, repair construction materials contract and carry out taking out stock mould after punching press tamping, at the temperature of 240 ~ 260 ℃, toast 2 ~ 3 hours;
4) repair nodularization bag inclusion, on the inwall of nodularization bag inclusion, apply one deck silica flour slurry, be then evenly sprinkled into second and repair construction materials contract, apply again a coating after beating reality, at the temperature of 300 ~ 340 ℃, toast 3 ~ 5 hours, complete and repair job contract skill.
2. job contract skill is guaranteed the repair free of charge in a kind of nodularization according to claim 1, it is characterized in that: in step 4), the constituent of coating used and weight ratio thereof are: silica flour 50 ~ 60, and bentonite 20 ~ 30, black wood charcoal ash 10 ~ 16, hard charcoal ash 5 ~ 13, all the other are water.
3. job contract skill is guaranteed the repair free of charge in a kind of nodularization according to claim 1 and 2, it is characterized in that: in step 4), the constituent of coating used and weight ratio thereof are: silica flour 55, and bentonite 25, black wood charcoal ash 13, hard charcoal ash 9, all the other are water.
4. job contract skill is guaranteed the repair free of charge in a kind of nodularization according to claim 3, it is characterized in that: the described first constituent and weight ratio thereof of repairing construction materials contract is: silica flour 30, red Cab-O-sil 75, all the other are water.
5. job contract skill is guaranteed the repair free of charge in a kind of nodularization according to claim 4, it is characterized in that: the described second constituent and weight ratio thereof of repairing construction materials contract is: silica flour 20, and coke blacking 65, black wood charcoal ash 10, hard charcoal ash 4, all the other are water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310615502.0A CN103600058B (en) | 2013-11-28 | 2013-11-28 | Job contract skill is guaranteed the repair free of charge in a kind of nodularization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310615502.0A CN103600058B (en) | 2013-11-28 | 2013-11-28 | Job contract skill is guaranteed the repair free of charge in a kind of nodularization |
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| CN103600058A true CN103600058A (en) | 2014-02-26 |
| CN103600058B CN103600058B (en) | 2015-12-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999732A (en) * | 2017-11-07 | 2018-05-08 | 河钢股份有限公司承德分公司 | Ultra-low carbon coating tundish builds by laying method |
Citations (5)
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| JPH1149576A (en) * | 1997-07-31 | 1999-02-23 | Kawasaki Steel Corp | Prepared unshaped refractory containing graphite and its execution method |
| CN1919500A (en) * | 2005-08-22 | 2007-02-28 | 崔东瑞 | Casing patch method for ladle brickwork neck bush |
| CN101935223A (en) * | 2010-09-02 | 2011-01-05 | 吴江市液铸液压件铸造有限公司 | Coating for repairing foundry furnace lining surface |
| CN102070348A (en) * | 2010-09-03 | 2011-05-25 | 吴江市液铸液压件铸造有限公司 | Refinishing paint for front furnace foundry ladle of foundry furnace |
| CN102228984A (en) * | 2011-06-20 | 2011-11-02 | 河北钢铁股份有限公司唐山分公司 | Ladle repair process of castable steel ladle bottom |
-
2013
- 2013-11-28 CN CN201310615502.0A patent/CN103600058B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1149576A (en) * | 1997-07-31 | 1999-02-23 | Kawasaki Steel Corp | Prepared unshaped refractory containing graphite and its execution method |
| CN1919500A (en) * | 2005-08-22 | 2007-02-28 | 崔东瑞 | Casing patch method for ladle brickwork neck bush |
| CN101935223A (en) * | 2010-09-02 | 2011-01-05 | 吴江市液铸液压件铸造有限公司 | Coating for repairing foundry furnace lining surface |
| CN102070348A (en) * | 2010-09-03 | 2011-05-25 | 吴江市液铸液压件铸造有限公司 | Refinishing paint for front furnace foundry ladle of foundry furnace |
| CN102228984A (en) * | 2011-06-20 | 2011-11-02 | 河北钢铁股份有限公司唐山分公司 | Ladle repair process of castable steel ladle bottom |
Non-Patent Citations (1)
| Title |
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| 邱复兴: ""活塞环热加工(Ⅱ)"", 《内燃机配件》, no. 6, 30 June 2008 (2008-06-30), pages 34 - 44 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999732A (en) * | 2017-11-07 | 2018-05-08 | 河钢股份有限公司承德分公司 | Ultra-low carbon coating tundish builds by laying method |
| CN107999732B (en) * | 2017-11-07 | 2019-10-18 | 河钢股份有限公司承德分公司 | Ultra-low carbon coating tundish builds by laying method |
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| Publication number | Publication date |
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| CN103600058B (en) | 2015-12-02 |
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Effective date of registration: 20191213 Address after: 314209 inner North building, No.333 Linzhong Road, LindaI Industrial Park, Pinghu City, Jiaxing City, Zhejiang Province Patentee after: Jiaxing Zhapu hangwan Heavy Machinery Co., Ltd. Address before: 215213, 6, Longjiang Road, Fen Lake Economic Development Zone, Wujiang, Jiangsu, Suzhou Patentee before: Wujiang Casting Hydraulic Parts Foundry Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314209 inner North building, No.333 Linzhong Road, LindaI Industrial Park, Pinghu City, Jiaxing City, Zhejiang Province Patentee after: Jiaxing Zhapu hangwan Heavy Machinery Co.,Ltd. Address before: 314209 inner North building, No.333 Linzhong Road, LindaI Industrial Park, Pinghu City, Jiaxing City, Zhejiang Province Patentee before: JIAXING ZHAPU HANGWAN HEAVY MACHINERY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |