CN104446018A - Multi-planar three-dimensional coordinate centering and leveling method for double-hearth vertical lime kiln - Google Patents
Multi-planar three-dimensional coordinate centering and leveling method for double-hearth vertical lime kiln Download PDFInfo
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- CN104446018A CN104446018A CN201410671505.0A CN201410671505A CN104446018A CN 104446018 A CN104446018 A CN 104446018A CN 201410671505 A CN201410671505 A CN 201410671505A CN 104446018 A CN104446018 A CN 104446018A
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Abstract
The invention provides a multi-planar three-dimensional coordinate centering and leveling method for a double-hearth vertical lime kiln. According to the specific technical scheme, the multi-planar three-dimensional coordinate centering and leveling method comprises the following steps: firstly, selecting a tower crane of a QTZ315 type; selecting the paving position of an assembly platform; thirdly, adopting a vertical weld clamping plate for adjusting a vertical weld in an assembling process of a kiln shell; fourthly, adopting a multi-planar three-dimensional coordinate method for centering a kiln body; fifthly, in the centering process of the kiln body, using the upper surface elevation of a box-type ring beam as a reference surface, using oo as a mounting center line of the kiln body, using o'o' and o''o'' as auxiliary mounting center lines of the shell, and using x and y as auxiliary concentric planimetric rectangular coordinate axes; sixthly, using 0-degree, 90-degree, 180-degree and 270-degree design cross lines of a basic plane as reference. The multi-planar three-dimensional coordinate centering and leveling method for the vertical double-hearth lime kiln provided by the invention provides a more accurate and feasible centering and leveling method for the vertical kiln body, so that the mounting quality of the vertical kiln body is effectively improved, safety and economy are further achieved, and the construction cost is reduced.
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 centering, levelling method.
Background technology
At present, in metallurgy industry, occur that a kind of floor space is little, cost is low, the vertical limestone kiln of two thoraxes that throughput is strong, but because the complexity of kiln structure, overall height idle job.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 two vertical limestone kilns of thorax many plane three-dimensionals coordinate centering, levelling method, for vertical furnace body provides a kind of more accurately feasible centering, leveling method, effectively improve the installation quality of vertical furnace 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 centering, levelling method that the present invention proposes, 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, select to carry out segmentation in the place of kiln shell rinforcement bar up 150mm, both can meet the Lifting Capacity of tower crane, and can prevent kiln shell from deforming in hoisting process simultaneously;
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 vertical seam clamp of adjustment perps is adopted in the assembled process of kiln shell, the angle steel adjuster of adjustment transverse joint or pressing plate adjuster, adjustment and the oval adjuster of kiln shell out of roundness, adjust the integral assembling precision that the instruments such as kiln shell verticality line pendant and angle square ensure kiln body;
4, kiln body centering adopts many plane three-dimensionals coordinate method, first basic plane is selected to set up reference plane and auxiliary plane, the method set up: axis is vertically upward set to z-axis, with spirit-leveling instrument and the transit instrument x as plane right-angle coordinate and auxiliary concentric plane right-angle coordinate, y-axis;
5, in kiln body centering process, absolute altitude 17.1m, 26.03m, 34.136m, 37.85m, 41.15 and 44.92m be respectively auxiliary plane absolute altitude, box ring beam upper surface absolute altitude is reference plane, setting kiln installation medullary ray and housing install sectional center line, every bar medullary ray distance between two points is 4400mm, x, y is auxiliary concentric planimetric rectangular coordinates axis;
6, cross lines are designed for benchmark with 0 of basic plane °, 90 °, 180 °, 270 °, x, y line meets at z-axis, and projects to each section of kiln shell upper surface, after respectively in place for kiln shell, 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 centering proposed by the invention, levelling method, for vertical furnace body provides a kind of more accurately feasible centering, leveling method, effectively improve the installation quality of vertical furnace 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
See accompanying drawing, two vertical limestone kilns of thorax many plane three-dimensionals coordinate centering, levelling method, 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, select to carry out segmentation in the place of kiln shell rinforcement bar up 150mm, both can meet the Lifting Capacity of tower crane, and can prevent kiln shell from deforming in hoisting process simultaneously;
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 vertical seam clamp of adjustment perps is adopted in the assembled process of kiln shell, the angle steel adjuster of adjustment transverse joint or pressing plate adjuster, adjustment and the oval adjuster of kiln shell out of roundness, adjust the integral assembling precision that the instruments such as kiln shell verticality line pendant and angle square ensure kiln body;
4, kiln body centering adopts many plane three-dimensionals coordinate method, first basic plane is selected to set up reference plane and auxiliary plane, the method set up: axis is vertically upward set to z-axis, with spirit-leveling instrument and the transit instrument x as plane right-angle coordinate and auxiliary concentric plane right-angle coordinate, y-axis;
5, in kiln body centering process, absolute altitude 17.1m, 26.03m, 34.136m, 37.85m, 41.15 and 44.92m be respectively auxiliary plane absolute altitude, box ring beam upper surface absolute altitude is reference plane, oo is kiln installation medullary ray, o ˊ o ˊ and o ＂ o ＂ is that housing installs sectional center line, distance between oo, between o ˊ o ˊ, between o ＂ o ＂ is 4400mm, and x, y are auxiliary concentric planimetric rectangular coordinates axis;
6, cross lines are designed for benchmark with 0 of basic plane °, 90 °, 180 °, 270 °, x, y line meets at z-axis, and projects to each section of kiln shell upper surface, after respectively in place for kiln shell, 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 centering proposed by the invention, levelling method, for vertical furnace body provides a kind of more accurately feasible centering, leveling method, effectively improve the installation quality of vertical furnace 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 centering, 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, select to carry out segmentation in the place of kiln shell rinforcement bar up 150mm, both can meet the Lifting Capacity of tower crane, and can prevent kiln shell from deforming in hoisting process simultaneously;
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 vertical seam clamp of adjustment perps, is adopted in the assembled process of kiln shell, the angle steel adjuster of adjustment transverse joint or pressing plate adjuster, adjustment and the oval adjuster of kiln shell out of roundness, adjust the integral assembling precision that the instruments such as kiln shell verticality line pendant and angle square ensure kiln body;
4), kiln body centering adopts many plane three-dimensionals coordinate method, first basic plane is selected to set up reference plane and auxiliary plane, the method set up: axis is vertically upward set to z-axis, with spirit-leveling instrument and the transit instrument x as plane right-angle coordinate and auxiliary concentric plane right-angle coordinate, y-axis;
5), in kiln body centering process, absolute altitude 17.1m, 26.03m, 34.136m, 37.85m, 41.15 and 44.92m be respectively auxiliary plane absolute altitude, box ring beam upper surface absolute altitude is reference plane, oo is kiln installation medullary ray, o ˊ o ˊ and o ＂ o ＂ is that housing installs sectional center line, distance between oo, between o ˊ o ˊ, between o ＂ o ＂ is 4400mm, and x, y are auxiliary concentric planimetric rectangular coordinates axis;
6), cross lines are designed for benchmark with 0 of basic plane °, 90 °, 180 °, 270 °, x, y line meets at z-axis, and projects to each section of kiln shell upper surface, after respectively in place for kiln shell, 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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106322997A (en) * | 2016-08-31 | 2017-01-11 | 中国十五冶金建设集团有限公司 | Mounting method of copper smelting refining rocking furnace |
| CN106395671A (en) * | 2016-09-30 | 2017-02-15 | 中冶天工集团天津有限公司 | Method for vertically transporting refractory through vertical transporting equipment on kiln |
| CN107954614A (en) * | 2017-12-13 | 2018-04-24 | 中化二建集团有限公司 | Energy-saving Mialz lime kiln kiln shell makes and installation method |
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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 |
| CN103486850A (en) * | 2013-10-08 | 2014-01-01 | 中国十九冶集团有限公司 | Butt joint method for giant rotary kiln barrels |
| CN103801921A (en) * | 2012-11-14 | 2014-05-21 | 五冶集团上海有限公司 | Kiln shell mounting method for vertical shaft kiln |
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2014
- 2014-11-21 CN CN201410671505.0A patent/CN104446018B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN103801921A (en) * | 2012-11-14 | 2014-05-21 | 五冶集团上海有限公司 | Kiln shell mounting method for vertical shaft kiln |
| CN103486850A (en) * | 2013-10-08 | 2014-01-01 | 中国十九冶集团有限公司 | Butt joint method for giant rotary kiln barrels |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106322997A (en) * | 2016-08-31 | 2017-01-11 | 中国十五冶金建设集团有限公司 | Mounting method of copper smelting refining rocking furnace |
| 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 |
| CN106395671A (en) * | 2016-09-30 | 2017-02-15 | 中冶天工集团天津有限公司 | Method for vertically transporting refractory through vertical transporting equipment on kiln |
| 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 |
| CN107954614A (en) * | 2017-12-13 | 2018-04-24 | 中化二建集团有限公司 | Energy-saving Mialz lime kiln kiln shell makes and installation method |
| 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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