CN104446018B - Two vertical limestone kilns of thorax many plane three-dimensionals coordinate is just being looked for, levelling method - Google Patents
Two vertical limestone kilns of thorax many plane three-dimensionals coordinate is just being looked for, levelling method Download PDFInfo
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Abstract
Two vertical limestone kilns of thorax many plane three-dimensionals coordinate proposed by the invention is just being looked for, levelling method, and its concrete technical scheme is: the tower crane 1, selecting QTZ315 model; 2, selection group is to the paving location of platform; 3, the assembled process of kiln shell adopts the vertical seam clamp of adjustment perps; 4, kiln body is looked for and is just adopted many plane three-dimensionals coordinate method; Looking in positive process at kiln body, box ring beam upper surface absolute altitude is reference plane, and oo is kiln installation medullary ray, and o o and o ＂ o ＂ is that housing installs auxiliary medullary ray, and x, y are auxiliary concentric planimetric rectangular coordinates axis; 6, taking 0 °, 90 °, 180 °, the 270 ° orthogonal lines of design of basis plane as benchmark. Two vertical limestone kilns of thorax many plane three-dimensionals coordinate proposed by the invention is just being looked for, levelling method, more accurately feasible just looking for for vertical kiln body provides a kind of, leveling method, effectively improve the installation quality of vertical kiln body, accomplish not only safe but also economical further, reduce construction cost.
Description
Technical field
The present invention relates to metallurgical equipment field engineering field, particularly two vertical limestone kilns of thorax many plane three-dimensionals coordinate just looking for, levelling method.
Background technology
At present, occurring that a kind of floor space is little in metallurgy industry, cost is low, the vertical limestone kiln of two thoraxes that throughput is strong, but since the complexity of kiln body structure, full working aloft. Setting accuracy for kiln shell is difficult to ensure, especially respectively saves kiln shell upper and lower ends planeness and center line of kiln body, the inner masonry project of kiln body; Spray gun is to the calcination point of kiln body simultaneously, drastically influence the life-span of kiln body.
Summary of the invention
Technical problem to be solved by this invention is to provide that two vertical limestone kilns of thorax many plane three-dimensionals coordinate is just being looked for, levelling method, more accurately feasible just looking for for vertical kiln body provides a kind of, leveling method, effectively improve the installation quality of vertical kiln body, accomplish not only safe but also economical further, reduce construction cost.
For achieving the above object, two vertical limestone kilns of thorax many plane three-dimensionals coordinate that the present invention proposes just is being looked for, levelling method, and its concrete technical scheme is:
1, the tower crane of QTZ315 model is selected, tower crane is 13.3m to kiln body width between centers, the biggest lifting capacity is 16t, the assembled height of kiln body is no more than 3m, the place at kiln shell rinforcement bar up 150mm is selected to carry out segmentation, both can meet the lifting ability of tower crane, and be possible to prevent kiln shell simultaneously and deform in hoisting process;
2, selection group is to the paving location of platform, kiln shell physical dimension selection group is to the assembled size of platform, assembly platform is laid in 10m × 12m, it is levelling that platform base adopts i shaped steel to do base water level, H250*250 shaped steel and the 22# joist steel that framework adopts 8 12m length laid by platform, 22# joist steel plays the effect of being fixedly connected with, and flat surface adopts wide 2m thickness to be δ=12 steel plate, and the distance at Platform center distance tower crane center is 13m;
3, the assembled process of kiln shell adopts the vertical seam clamp of adjustment perps, the angle steel adjuster of adjustment transverse joint or pressing plate adjuster, the oval adjuster of adjustment kiln shell out of roundness, the adjustment kiln shell verticality instruments such as line pendant and angle square ensure the integral assembling precision of kiln body;
4, kiln body is looked for and is just adopted many plane three-dimensionals coordinate method, first basis plane is selected to set up reference plane and auxiliary plane, the method set up: axis vertically upward is set to z-axis, with spirit-leveling instrument and transit instrument as the x of plane right-angle coordinate and auxiliary concentric plane right-angle coordinate, y-axis;
5, look in positive process at kiln body, absolute altitude 17.1m, 26.03m, 34.136m, 37.85m, 41.15m and 44.91m are respectively auxiliary plane absolute altitude, box ring beam upper surface absolute altitude is reference plane, setting kiln installation medullary ray and housing install auxiliary medullary ray, every bar medullary ray distance between two points is that 4400mm, x, y are for assisting concentric planimetric rectangular coordinates axis;
6, taking 0 °, 90 °, 180 °, the 270 ° orthogonal lines of design of basis plane as benchmark, x, y line meets at z-axis, and projects to each section of kiln shell upper surface, after each section of kiln shell is in place, measure, with spirit-leveling instrument and standard scale, the absolute altitude that this kiln shell installs end face, measure its upper surface planeness; Check the corresponding points of 0 °, 90 °, 180 °, 270 ° by thread-drawing therapy, control its coordinate point, check kiln shell circular arc degree with radian plate.
Two vertical limestone kilns of thorax many plane three-dimensionals coordinate proposed by the invention is just being looked for, levelling method, more accurately feasible just looking for for vertical kiln body provides a kind of, leveling method, effectively improve the installation quality of vertical kiln body, accomplish not only safe but also economical further, reduce construction cost.
Accompanying drawing explanation
Fig. 1 is many plane three-dimensionals setting coordinate schematic diagram.
Embodiment
FIGS, two vertical limestone kilns of thorax many plane three-dimensionals coordinate is just being looked for, levelling method, and its concrete technical scheme is:
1, the tower crane of QTZ315 model is selected, tower crane is 13.3m to kiln body width between centers, the biggest lifting capacity is 16t, the assembled height of kiln body is no more than 3m, the place at kiln shell rinforcement bar up 150mm is selected to carry out segmentation, both can meet the lifting ability of tower crane, and be possible to prevent kiln shell simultaneously and deform in hoisting process;
2, selection group is to the paving location of platform, kiln shell physical dimension selection group is to the assembled size of platform, assembly platform is laid in 10m × 12m, it is levelling that platform base adopts i shaped steel to do base water level, H250*250 shaped steel and the 22# joist steel that framework adopts 8 12m length laid by platform, 22# joist steel plays the effect of being fixedly connected with, and flat surface adopts wide 2m thickness to be δ=12 steel plate, and the distance at Platform center distance tower crane center is 13m;
3, the assembled process of kiln shell adopts the vertical seam clamp of adjustment perps, the angle steel adjuster of adjustment transverse joint or pressing plate adjuster, the oval adjuster of adjustment kiln shell out of roundness, the adjustment kiln shell verticality instruments such as line pendant and angle square ensure the integral assembling precision of kiln body;
4, kiln body is looked for and is just adopted many plane three-dimensionals coordinate method, first basis plane is selected to set up reference plane and auxiliary plane, the method set up: axis vertically upward is set to z-axis, with spirit-leveling instrument and transit instrument as the x of plane right-angle coordinate and auxiliary concentric plane right-angle coordinate, y-axis;
5, look in positive process at kiln body, absolute altitude 17.1m, 26.03m, 34.136m, 37.85m, 41.15m and 44.91m are respectively auxiliary plane absolute altitude, box ring beam upper surface absolute altitude is reference plane, oo is kiln installation medullary ray, o o and o ＂ o ＂ is that housing installs auxiliary medullary ray, distance between oo, between o o, between o ＂ o ＂ is 4400mm, and x, y are auxiliary concentric planimetric rectangular coordinates axis;
6, taking 0 °, 90 °, 180 °, the 270 ° orthogonal lines of design of basis plane as benchmark, x, y line meets at z-axis, and projects to each section of kiln shell upper surface, after each section of kiln shell is in place, measure, with spirit-leveling instrument and standard scale, the absolute altitude that this kiln shell installs end face, measure its upper surface planeness; Check the corresponding points of 0 °, 90 °, 180 °, 270 ° by thread-drawing therapy, control its coordinate point, check kiln shell circular arc degree with radian plate.
Two vertical limestone kilns of thorax many plane three-dimensionals coordinate proposed by the invention is just being looked for, levelling method, more accurately feasible just looking for for vertical kiln body provides a kind of, leveling method, effectively improve the installation quality of vertical kiln body, accomplish not only safe but also economical further, reduce construction cost.
Claims (1)
1. pair vertical limestone kiln of thorax many plane three-dimensionals coordinate just looking for, levelling method, its concrete technical scheme is:
1) tower crane of QTZ315 model, is selected, tower crane is 13.3m to kiln body width between centers, the biggest lifting capacity is 16t, the assembled height of kiln body is no more than 3m, the place at kiln shell rinforcement bar up 150mm is selected to carry out segmentation, both can meet the lifting ability of tower crane, and be possible to prevent kiln shell simultaneously and deform in hoisting process;
2), selection group is to the paving location of platform, kiln shell physical dimension selection group is to the assembled size of platform, assembly platform is laid in 10m × 12m, it is levelling that platform base adopts i shaped steel to do base water level, H250*250 shaped steel and the 22# joist steel that framework adopts 8 12m length laid by platform, 22# joist steel plays the effect of being fixedly connected with, and flat surface adopts wide 2m thickness to be δ=12 steel plate, and the distance at Platform center distance tower crane center is 13m;
3), the assembled process of kiln shell adopts the vertical seam clamp of adjustment perps, the angle steel adjuster of adjustment transverse joint or pressing plate adjuster, the oval adjuster of adjustment kiln shell out of roundness, the adjustment kiln shell verticality instruments such as line pendant and angle square ensure the integral assembling precision of kiln body;
4), kiln body is looked for and is just adopted many plane three-dimensionals coordinate method, first basis plane is selected to set up reference plane and auxiliary plane, the method set up: axis vertically upward is set to z-axis, with spirit-leveling instrument and transit instrument as the x of plane right-angle coordinate and auxiliary concentric plane right-angle coordinate, y-axis;
5), look in positive process at kiln body, absolute altitude 17.1m, 26.03m, 34.136m, 37.85m, 41.15m and 44.91m are respectively auxiliary plane absolute altitude, box ring beam upper surface absolute altitude is reference plane, oo is kiln installation medullary ray, o o and o ＂ o ＂ is that housing installs auxiliary medullary ray, distance between oo, between o o, between o ＂ o ＂ is 4400mm, and x, y are auxiliary concentric planimetric rectangular coordinates axis;
6), taking 0 °, 90 °, 180 °, the 270 ° orthogonal lines of design of basis plane as benchmark, x, y line meets at z-axis, and projects to each section of kiln shell upper surface, after each section of kiln shell is in place, measure, with spirit-leveling instrument and standard scale, the absolute altitude that this kiln shell installs end face, measure its upper surface planeness; Check the corresponding points of 0 °, 90 °, 180 °, 270 ° by thread-drawing therapy, control its coordinate point, check kiln shell circular arc degree with radian plate.
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| CN105945565A (en) * | 2016-04-29 | 2016-09-21 | 中冶天工集团天津有限公司 | Kiln shell assembly adjusting device and applying method thereof |
| CN106322997B (en) * | 2016-08-31 | 2018-04-20 | 中国十五冶金建设集团有限公司 | Copper making refines grate installation method |
| CN106395671B (en) * | 2016-09-30 | 2018-08-24 | 中冶天工集团天津有限公司 | The method for carrying out resistance to material vertical transport using vertical transport equipment on kiln |
| CN107954614B (en) * | 2017-12-13 | 2020-05-01 | 中化二建集团有限公司 | Manufacturing and mounting method for energy-saving type Maerz lime kiln shell |
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| US4032121A (en) * | 1974-02-22 | 1977-06-28 | Vereinigte Osterreichische Eisen- Und Stahlwerek-Alpine Montan Aktiengesellschaft | Process for the production of iron from iron ores and apparatus for carrying out said process |
| CN101749940A (en) * | 2008-12-18 | 2010-06-23 | 鞍钢建设集团有限公司 | Adjustment method for center line of rotary kiln cylinders |
| CN103801921B (en) * | 2012-11-14 | 2016-06-01 | 五冶集团上海有限公司 | Vertical sleeve kiln kiln shell installation method |
| CN103486850B (en) * | 2013-10-08 | 2015-05-20 | 中国十九冶集团有限公司 | Butt joint method for giant rotary kiln barrels |
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