CN102029363A - Correcting method and corrector of water jacket aperture of molten steel continuous casting crystallizer - Google Patents
Correcting method and corrector of water jacket aperture of molten steel continuous casting crystallizer Download PDFInfo
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- CN102029363A CN102029363A CN 201010605307 CN201010605307A CN102029363A CN 102029363 A CN102029363 A CN 102029363A CN 201010605307 CN201010605307 CN 201010605307 CN 201010605307 A CN201010605307 A CN 201010605307A CN 102029363 A CN102029363 A CN 102029363A
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Abstract
The invention provides a correcting method and a corrector of a water jacket aperture of a molten steel continuous casting crystallizer. The corrector comprises a pressing plate part and a correcting part, wherein the pressing plate part comprises four pressing plates with hooks, and the upper part of each pressing plate is provided with hooks matched with four surrounding walls of the crystallizer water jacket aperture to be corrected; the correcting part comprises a regular octagonal correcting framework sleeved outside the pressing plate with hooks, and two corresponding sides at the upper end of the correcting framework are provided with horizontal steel bars which can be arranged on the water jacket port of the crystallizer; each of four sides of the correcting framework parallel to the four walls of the water jacket aperture of the crystallizer is uniformly provided with one or two screw holes and compression bolts matched with the screw holes at intervals, and when the compression bolts are screwed from outside to inside, the compression bolts respectively press the pressing plates with hooks on each surface; other four sides spaced by the framework of the corrector are respectively provided with an inner screw hole and a compression bolt matched with the inner screw hole, corresponding to four corners of the water jacket aperture of the crystallizer; and when the compression bolts are screwed from outside to inside, the compression bolts respectively press the four corners of the water jacket aperture of the crystallizer.
Description
Technical field
The present invention relates to a kind of continuous casting of molten steel crystallizer water jacket actinal surface antidote and rectifier, belong to the mechanical production devices that molten steel foundry work journey is used, specifically refer to a kind of rectangle water jacket actinal surface correcting technology.
Background technology
In the continuous casting of molten steel production technology, must be provided with crystallizer finish molten steel from liquid state to solid-state transformation, molten steel cools off in crystallizer, preliminary coagulation forming, and form certain shell thickness.Existing crystallizer roughly is divided into tubular type and board-like two kinds, and tube type mold mainly is made up of copper pipe, water jacket, shell, flange, sufficient roller, spray etc.The most direct quality that influences steel billet of the scale error of water jacket and morpheme error wherein, at present water jacket make adopt mostly the stainless steel square tube through hydraulic drawbench repeatedly repeatedly drawing form, the horn mouth distortion all can appear in the two ends actinal surface of water jacket after the drawing moulding, traditional processing mode be when blanking than requiring length to put 200mm more, after drawing is finished crushed element is amputated.But this production method is waste material but also delay work not only.
Summary of the invention
Purpose of the present invention is exactly to overcome conventional process the mode not only waste material but also the problem of delaying work, and a kind of a kind of continuous casting of molten steel crystallizer water jacket actinal surface antidote and rectifier that can labor and material saving be provided.
Technical scheme of the present invention: continuous casting of molten steel crystallizer water jacket actinal surface antidote step of the present invention is as follows:
1) four buckle pressing plates of rectifier are hung from above waiting to correct the crystallizer water jacket mouth around on the wall, the rectification framework of the octagon of rectifier is enclosed within four buckle pressing plates outsides, correct framework and ride over the crystallizer water jacket port by the horizontal steel bar on its corresponding both sides, four limits of correcting the framework interval are parallel with the wall of crystallizer water jacket mouth; The horizontal steel bar of adjusting rides over the position of crystallizer water jacket port, makes the rectification framework concentric with the crystallizer water jacket port.
2) measure the diagonal error of waiting to correct the crystallizer water jacket mouth, adjust to correct the hold-down bolt of four jiaos of corresponding crystallizer water jackets on the framework, make two diagonal of crystallizer water jacket mouth isometric, reach the every 200mm of two cornerwise differences and be not more than 0.5mm, and make four jiaos hold-down bolt hold out against four jiaos on crystallizer water jacket mouth wall;
3) measurement waits to correct the deflection of crystallizer water jacket mouth inboard, the hold-down bolt of correcting on four limits parallel with the wall of crystallizer water jacket mouth of framework is from outer to inner screwed in, be pressed in respectively on the buckle pressing plate of each face, be pressed in successively after the buckle pressing plate is stressed and wait to correct on the outer wall all around of crystallizer water jacket mouth, the actinal surface wall of correcting the crystallizer water jacket mouth is inwardly shunk, to opposite side distance from standard value+1～2mm, promptly deflection is at+1～2mm;
4) evenly heat crystallizer water jacket mouth four corners position to reddening with gas welding torch, temperature to 300～350 ℃, natural then cooling and shaping, because four jiaos of shrinkages, contract in the actinal surface wall meeting of crystallizer water jacket mouth and reach requirement, unscrew hold-down bolt behind the cooling and shaping, unload rectifier;
5) rectifier is placed on the crystallizer water jacket another port and carries out same rectification in the face of deformation place.
Described step 4) evenly heats temperature to 300～350 ℃ of crystallizer water jacket mouth with gas welding torch.
When described step 1) rectification framework was inserted in the crystallizer water jacket mouth, the horizontal steel bar of adjustment rode over the position of crystallizer water jacket port, made the rectification framework concentric with the crystallizer water jacket port.
A kind of continuous casting of molten steel crystallizer water jacket actinal surface rectifier that is used for described method, comprise clamp portion and correction section, its clamp portion comprises the buckle pressing plate, totally four of buckle pressing plates, buckle pressing plate top be with wait to correct the crystallizer water jacket mouth around the hook of wall coupling, correction section comprises the rectification framework of the octagon that is enclosed within the hook pressing plate outside, there is the horizontal steel bar that can ride over the crystallizer water jacket port upper end of rectification framework on the corresponding both sides, correct every limit, framework four limits parallel and evenly arrange one or two inner bolt hole and the hold-down bolt that matches at interval, be pressed in respectively when hold-down bolt from outer to inner screws on the buckle pressing plate of each face with the wall of crystallizer water jacket mouth; Arrange an inner bolt hole and the hold-down bolt that matches, when hold-down bolt from outer to inner screws in, be pressed in four angles of crystallizer water jacket mouth respectively for four jiaos of other corresponding crystallizer water jacket mouths in four limits at the interval of rectification framework.
Described: the length of buckle pressing plate is less than the length of side 8～10mm of water jacket, and the thickness of buckle pressing plate is 20～30mm.Two hooks are set on each buckle pressing plate at interval.
Described rectification framework four the limit every limit parallel with the wall of crystallizer water jacket mouth arranged two inner bolt holes and two hold-down bolts that match at interval.
Wall thickness+0.3～the 0.5mm of the wide L=crystallizer water jacket of the hook mouth of linking up with on the described buckle pressing plate.
Two hooks are set on each buckle pressing plate at interval.
Wall thickness+0.3～the 0.5mm of the wide L=crystallizer water jacket of the hook mouth of linking up with on the described buckle pressing plate.
Continuous casting of molten steel crystallizer water jacket actinal surface rectifier of the present invention comprises clamp portion and correction section, its clamp portion comprises the buckle pressing plate, totally four of buckle pressing plates, buckle pressing plate top be with wait to correct the crystallizer water jacket mouth around the hook of wall coupling, correction section comprises the rectification framework of the octagon that is enclosed within the hook pressing plate outside, there is the horizontal steel bar that can ride over the crystallizer water jacket port upper end of rectification framework on the corresponding both sides, correct every limit, framework four limits parallel and evenly arrange one or two inner bolt hole and the hold-down bolt that matches at interval, be pressed in respectively when hold-down bolt from outer to inner screws on the buckle pressing plate of each face with the wall of crystallizer water jacket mouth; Arrange an inner bolt hole and the hold-down bolt that matches, when hold-down bolt from outer to inner screws in, be pressed in four angles of crystallizer water jacket mouth respectively for four jiaos of other corresponding crystallizer water jacket mouths in four limits at the interval of rectification framework.
Described: the length of buckle pressing plate is less than the length of side 8～10mm of water jacket, and the thickness of buckle pressing plate is 20～30mm.Two hooks are set on each buckle pressing plate at interval.
Described rectification framework four the limit every limit parallel with the wall of crystallizer water jacket mouth arranged two inner bolt holes and two hold-down bolts that match at interval.
Wall thickness+0.3～the 0.5mm of the wide L=crystallizer water jacket of the hook mouth of linking up with on the described buckle pressing plate.
Beneficial effect of the present invention is: draw crystallizer water jacket actinal surface rectifier by setting, can successfully repair the horn mouth distortion that half-formed water jacket two ends actinal surface occurs, every water jacket is economized the nearly 200mm of stainless steel tube material, material-saving 20%.The actinal surface dimensional accuracy can reach the middle part dimension precision requirement.Water jacket two-port facial disfigurement is corrected more convenient and accurate than traditional hammering type rectification, and has saved and cut the saw operation, has reached production method material-saving saving of labor's purpose.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is a buckle pressing plate front view.
Fig. 4 is a buckle pressing plate side view.
The specific embodiment
Below in conjunction with the drawings and specific embodiments function of the present invention is described in further detail:
As Fig. 1, Fig. 2: continuous casting of molten steel crystallizer water jacket actinal surface rectifier of the present invention comprises clamp portion and correction section, clamp portion comprises buckle pressing plate 1, totally four of buckle pressing plates 1, buckle pressing plate 1 top be with wait to correct crystallizer water jacket mouth 4 around the hook 1a of wall coupling, correction section comprises the rectification framework 3 of the octagon that is enclosed within hook pressing plate 1 outside, there is the horizontal steel bar 3a that can ride over the crystallizer water jacket port upper end of rectification framework 3 on the corresponding both sides, correct every limit, framework 3 four limits parallel and evenly arrange one or two inner bolt hole and the hold-down bolt 2 that matches at interval, be pressed in respectively when hold-down bolt 2 from outer to inner screws on the buckle pressing plate 1 of each face with the wall of crystallizer water jacket mouth 4; Arrange an inner bolt hole and the hold-down bolt 2a that matches, when hold-down bolt 2a from outer to inner screws in, be pressed in four angles of crystallizer water jacket mouth 4 respectively for four jiaos of other corresponding crystallizer water jacket mouths 4 in four limits at the interval of rectification framework 3.
Further, the length of described buckle pressing plate 1 is convenient to push down the deformation place of crystallizer water jacket actinal surface like this less than the length of side 8～10mm of water jacket, and the buckle pressing plate that is unlikely four limits is simultaneously again conflicted mutually, and stays the position for the adjustment bolt of four jiaos of water jackets.The height of buckle pressing plate 1 is 30～50mm, and the thickness of buckle pressing plate 1 is 20～30mm.
As Fig. 3, Fig. 4: two hook 1a are set on described each buckle pressing plate 1 at interval.Wall thickness+0.3～the 0.5mm of the wide L=crystallizer water jacket of the hook mouth of hook, after assurance buckle pressing plate 1 hung over crystallizer water jacket mouth port, pressing plate was just in time pushed down the outer wall of crystallizer water jacket mouth deformation place.
Preferably, described rectification framework 3 four the limit every limit parallel with the wall of crystallizer water jacket mouth 4 arranged two inner bolt holes and two hold-down bolts 2 that match at interval.
Determine by the indeformable experience of pressing plate itself according to guaranteeing to push the water jacket distortion for its thickness.
Preferably, described rectification framework 3 four the limit every limit parallel with the wall of crystallizer water jacket mouth 4 arranged two inner bolt holes and the hold-down bolt 2 that matches at interval.
Described hold-down bolt 2 and 2a use M16 buckle bolt.
During use, correct crystallizer water jacket mouth 4 and be vertically placed on job platform, concrete steps are:
1) four buckle pressing plates 1 of rectifier are hung from above waiting to correct crystallizer water jacket mouth 4 around on the wall, the rectification framework 3 of the octagon of rectifier is enclosed within four buckle pressing plate 1 outsides, correct framework 3 and ride over the crystallizer water jacket port by the horizontal steel bar 3a on its corresponding both sides, four limits of correcting framework 3 intervals are parallel with the wall of crystallizer water jacket mouth 4; The horizontal steel bar 3a that adjusts rides over the position of crystallizer water jacket port, makes rectification framework 3 concentric with the crystallizer water jacket port.
2) measure the diagonal error of waiting to correct the crystallizer water jacket mouth, adjust to correct the hold-down bolt of four jiaos of corresponding crystallizer water jackets on the framework, make two diagonal of crystallizer water jacket mouth isometric, reach the every 200mm of two cornerwise differences and be not more than 0.5mm, and make four jiaos hold-down bolt hold out against four jiaos on crystallizer water jacket mouth wall;
3) measurement waits to correct the deflection of crystallizer water jacket mouth 4 inboards, the hold-down bolt of correcting on 3 four limits parallel with the wall of crystallizer water jacket mouth 4 of framework 2 is from outer to inner screwed in, be pressed in respectively on the buckle pressing plate 1 of each face, be pressed in successively after buckle pressing plate 1 is stressed wait to correct crystallizer water jacket mouth 4 around on the outer wall, the actinal surface wall of correcting crystallizer water jacket mouth 4 is inwardly shunk, to opposite side distance from standard value+1～2mm, promptly deflection is at+1～2mm;
4) evenly heat crystallizer water jacket mouth four corners position to reddening with gas welding torch, temperature to 300～350 ℃, natural then cooling and shaping, because four jiaos of shrinkages, contract in the actinal surface wall meeting of crystallizer water jacket mouth 4 and reach requirement, unscrew hold-down bolt behind the cooling and shaping, unload rectifier;
5) rectifier is placed on the crystallizer water jacket another port and carries out same rectification in the face of deformation place.
Claims (10)
1. a continuous casting of molten steel crystallizer water jacket actinal surface antidote utilizes rectifier to correct, and step is as follows:
1) four buckle pressing plates (1) of rectifier are hung from above waiting to correct crystallizer water jacket mouth (4) around outside mouthful wall, the rectification framework (3) of the octagon of rectifier is enclosed within four buckle pressing plates (1) outside, correct framework (3) and ride over the crystallizer water jacket port by the horizontal steel bar (3a) on its corresponding both sides, adjust the position that horizontal steel bar (3a) rides over the crystallizer water jacket port, make four limits of correcting framework (3) interval parallel with the wall of crystallizer water jacket mouth (4);
2) measure the diagonal error of waiting to correct crystallizer water jacket mouth (4), adjust and correct the hold-down bolt (2a) that framework (3) is gone up four jiaos of corresponding crystallizer water jackets, make two diagonal of crystallizer water jacket mouth isometric, and make four jiaos hold-down bolt (2a) hold out against four jiaos on crystallizer water jacket mouth wall;
3) measure the deflection of waiting to correct crystallizer water jacket mouth (4) inboard, the hold-down bolt (2) that to correct on (3) four limits parallel with the wall of crystallizer water jacket mouth (4) of framework from outer to inner screws in, be pressed in respectively on the buckle pressing plate (1) of each face, be pressed in successively after buckle pressing plate (1) is stressed and wait to correct on the outer wall all around of crystallizer water jacket mouth (4), the actinal surface wall of correcting crystallizer water jacket mouth (4) is inwardly shunk, to opposite side distance from standard value+1～2mm, promptly deflection is at+1～2mm;
4) evenly heat crystallizer water jacket mouth four corners position to reddening with gas welding torch, natural then cooling and shaping because four jiaos of shrinkages are contracted in the actinal surface wall meeting of crystallizer water jacket mouth (4) and reached requirement, is unscrewed hold-down bolt behind the cooling and shaping, unload rectifier;
5) rectifier is placed on the crystallizer water jacket another port and carries out same rectification in the face of deformation place.
2. continuous casting of molten steel crystallizer water jacket actinal surface antidote according to claim 1 is characterized in that: step 4) evenly heats temperature to 300～350 ℃ of crystallizer water jacket mouth with gas welding torch.
3. continuous casting of molten steel crystallizer water jacket actinal surface antidote according to claim 1 and 2, it is characterized in that: when step 1) rectification framework (3) is inserted in crystallizer water jacket mouth (4), the horizontal steel bar of adjusting (3a) rides over the position of crystallizer water jacket port, makes rectification framework (3) concentric with the crystallizer water jacket port.
4. continuous casting of molten steel crystallizer water jacket actinal surface antidote according to claim 1 and 2, it is characterized in that: step 2) adjust and correct the hold-down bolt (2a) that framework (3) is gone up four jiaos of corresponding crystallizer water jackets, make two diagonal of crystallizer water jacket mouth isometric, reach the every 200mm of two cornerwise differences and be not more than 0.5mm.
5. continuous casting of molten steel crystallizer water jacket actinal surface rectifier that is used for the described method of claim 1～4, comprise clamp portion and correction section, it is characterized in that: clamp portion comprises buckle pressing plate (1), totally four of buckle pressing plates (1), buckle pressing plate (1) top be with wait to correct crystallizer water jacket mouth (4) around the hook (1a) of wall coupling, correction section comprises the rectification framework (3) of the octagon that is enclosed within buckle pressing plate (1) outside, there is the horizontal steel bar (3a) that can ride over the crystallizer water jacket port upper end of rectification framework (3) on the corresponding both sides, correct every limit, framework (3) four limits parallel with the wall of crystallizer water jacket mouth (4) and evenly arrange one or two inner bolt hole and the hold-down bolt (2) that matches at interval, hold-down bolt (2) is pressed in respectively when from outer to inner screwing on the buckle pressing plate (1) of each face; Arrange an inner bolt hole and the hold-down bolt (2a) that matches for four jiaos of other of the interval of rectification framework (3) corresponding crystallizer water jacket mouths in four limits (4), hold-down bolt (2a) is pressed in four angles of crystallizer water jacket mouth (4) respectively when from outer to inner screwing in.
6. continuous casting of molten steel crystallizer water jacket actinal surface rectifier according to claim 5 is characterized in that: the length of buckle pressing plate (1) is less than the length of side 8～10mm of water jacket, and the thickness of buckle pressing plate (1) is 20～30mm.
7. according to claim 5 or 6 described continuous casting of molten steel crystallizer water jacket actinal surface rectifiers, it is characterized in that: each buckle pressing plate (1) is gone up two hooks (1a) is set at interval.
8. according to claim 5 or 6 described continuous casting of molten steel crystallizer water jacket actinal surface rectifiers, it is characterized in that: correct framework (3) four the limit every limit parallel and arrange two inner bolt holes and two hold-down bolts (2) that match at interval with the wall of crystallizer water jacket mouth (4).
9. according to claim 5 or 6 described continuous casting of molten steel crystallizer water jacket actinal surface rectifiers, it is characterized in that: buckle pressing plate (1) is gone up the wall thickness+0.3～0.5mm of the wide L=crystallizer water jacket of the hook mouth of hook (1a).
10. continuous casting of molten steel crystallizer water jacket actinal surface rectifier according to claim 7 is characterized in that: correct framework (3) four the limit every limit parallel with the wall of crystallizer water jacket mouth (4) and arrange two inner bolt holes and the hold-down bolt (2) that matches at interval.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010605307 CN102029363B (en) | 2010-12-24 | 2010-12-24 | Correcting method and corrector of water jacket aperture of molten steel continuous casting crystallizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010605307 CN102029363B (en) | 2010-12-24 | 2010-12-24 | Correcting method and corrector of water jacket aperture of molten steel continuous casting crystallizer |
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| CN102029363A true CN102029363A (en) | 2011-04-27 |
| CN102029363B CN102029363B (en) | 2012-12-05 |
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| CN 201010605307 Expired - Fee Related CN102029363B (en) | 2010-12-24 | 2010-12-24 | Correcting method and corrector of water jacket aperture of molten steel continuous casting crystallizer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357769A (en) * | 2011-09-28 | 2012-02-22 | 马新民 | Multi-angle positioning repairing and reshaping device for damaged and deformed bronze ware |
| CN104818374A (en) * | 2015-04-24 | 2015-08-05 | 浙江长兴前进机械铸造有限公司 | Annular thin-wall casting hooping device |
| CN110394692A (en) * | 2019-06-26 | 2019-11-01 | 武汉乐法科技发展有限公司 | Cutting beveling machine clamps eccentric and drift angle detection and bearing calibration |
| CN110567412A (en) * | 2019-10-25 | 2019-12-13 | 国网河南省电力公司电力科学研究院 | Device and method for measuring edge distance of polygonal crimped cable |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2584318Y (en) * | 2002-10-29 | 2003-11-05 | 张桂银 | Adjustable crystallizer jacket |
| CN201988693U (en) * | 2010-12-24 | 2011-09-28 | 武汉市景江冶金设备有限公司 | Corrector for surface of water jacket opening of molten steel continuous casting crystallizer |
-
2010
- 2010-12-24 CN CN 201010605307 patent/CN102029363B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2584318Y (en) * | 2002-10-29 | 2003-11-05 | 张桂银 | Adjustable crystallizer jacket |
| CN201988693U (en) * | 2010-12-24 | 2011-09-28 | 武汉市景江冶金设备有限公司 | Corrector for surface of water jacket opening of molten steel continuous casting crystallizer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357769A (en) * | 2011-09-28 | 2012-02-22 | 马新民 | Multi-angle positioning repairing and reshaping device for damaged and deformed bronze ware |
| CN104818374A (en) * | 2015-04-24 | 2015-08-05 | 浙江长兴前进机械铸造有限公司 | Annular thin-wall casting hooping device |
| CN110394692A (en) * | 2019-06-26 | 2019-11-01 | 武汉乐法科技发展有限公司 | Cutting beveling machine clamps eccentric and drift angle detection and bearing calibration |
| CN110567412A (en) * | 2019-10-25 | 2019-12-13 | 国网河南省电力公司电力科学研究院 | Device and method for measuring edge distance of polygonal crimped cable |
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| CN102029363B (en) | 2012-12-05 |
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