CN101899541B - Method for mounting grid-type carbon-pounding scale of blast-furnace bottom leveling layer - Google Patents
Method for mounting grid-type carbon-pounding scale of blast-furnace bottom leveling layer Download PDFInfo
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- CN101899541B CN101899541B CN 201010242381 CN201010242381A CN101899541B CN 101899541 B CN101899541 B CN 101899541B CN 201010242381 CN201010242381 CN 201010242381 CN 201010242381 A CN201010242381 A CN 201010242381A CN 101899541 B CN101899541 B CN 101899541B
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Abstract
The invention discloses a method for mounting a grid-type carbon-pounding scale of a blast-furnace bottom leveling layer and belongs to the technical field of masonry construction of blast-furnace refractory lining. The method comprises the following steps of: manufacturing a steel embedded part, wherein the steel embedded part is formed by welding a steel plate and a steel reinforcing rod; processing by using a steel flat machine, processing a vertical face and drilling; processing by using an angle iron machine, milling slot holes by using a milling machine; in the process of pouring materials at the bottom of the furnace, embedding the steel embedded part; vertically welding an angle iron (3) on a plane of the steel embedded part; coupling the upward processing surface of the steel flat to the angle iron by using a bolt. The method has the advantages of improving the leveling accuracy in the construction of pounding the leveling layer, and shortening the time for occupying the mainconstruction progress during single construction.
Description
Technical field
The invention belongs to refractory lining building construction technical field at the bottom of the State of Blast Furnace, particularly a kind of grid-type carbon-pounding scale of blast-furnace bottom leveling layer installation method.Be particularly useful for that blast furnace is newly-built, screed-coat ramming construction at the bottom of the State of Blast Furnace in enlarging and the overhauling reform engineering.
Background technology
Construction of leveling blanket at the bottom of the present State of Blast Furnace, the method that generally adopts direct ramming charcoal to smash material is constructed.This method is to install and after the mould material construction finishes, before the furnace bottom construction of leveling blanket, measure the accurate absolute altitude of screed-coat at the furnace bottom water cooled pipeline, makes the visible marking on the furnace wall, carries out the screed-coat charcoal as benchmark and smashes the material ramming.
Adopt above-mentioned traditional constructional method to have following problem: smooth precision is low, the levelling time long, inefficiency.
Summary of the invention
The object of the present invention is to provide a kind of grid-type carbon-pounding scale of blast-furnace bottom leveling layer installation method.At the bottom of the State of Blast Furnace during construction of leveling blanket, utilize and grid-type carbon is installed is smash scale, be foundation with the installation absolute altitude of this scale, finish the construction of screed-coat ramming., solved low, the inefficient problem of precision that present conventional construction method exists.
Concrete steps of the present invention are as follows:
(1) construction is preceding according to the drawing dimensional requirement, makes the steel built-in fitting.The steel built-in fitting forms with steel plate and Steel Reinforcing Rod welding production, and the thick 10～14mm of steel plate, length and width are 150～200mm * 150～200mm; The Steel Reinforcing Rod diameter is 8～10mm, and length is 160～200mm, Steel Reinforcing Rod below crotch.
(2) band steel machining, processing facade and boring.The band steel specification is 70mm * 8mm, and the grid band steel will carry out machining, planeness≤0～2mm.The band steel that is used for grid in use, be facade upwards, as unique absolute altitude foundation, planeness must reach standard-required with this face, so this reference plane need carry out machining.
(3) angle steel machining, milling machine mills slotted hole.Select for use ∠ 75mm or ∠ 63mm angle steel as pillar, mill elongated hole, diameter 10～12mm, the long 30～40mm in hole on the angle steel top.Angle steel is the pillar that supports band steel, in order to adjust the height of band steel, makes it reach unified level height, so, need be on angle steel the microscler bolt hole of end milling.
(4) in the construction of furnace bottom mould material, bury the steel built-in fitting underground.The steel built-in fitting is the basis that supportive grid formula charcoal is smash scale, and row distance is 0.8～0.9m, and column distance is 0.8m～1m, reaches standard-required.
(5) on the plane of steel built-in fitting, vertically weld angle steel; With the band steel machined surface upwards, with bolt it is connected on the angle steel, bolt adopts M12 * 40 models.After the whole installations of all band steels, at the bottom of State of Blast Furnace, just formed the steel structure frame of a grating, utilize planar horizontal precision on the level measurement grid band steel, reach technical requirements.This has just finished the installation that grid-type carbon is smash scale, has formed a grid-type carbon and has smash scale steel construction integral body.
The invention has the advantages that:
In screed-coat individual event project under construction at the bottom of the State of Blast Furnace, adopt grid-type carbon to smash the scale constructional method, precision height, time spent weak point have improved working efficiency.
Description of drawings
Fig. 1 is that grid-type carbon is smash the scale scheme of installation.Wherein, steel built-in fitting 1, band steel 2, angle steel 3.
Fig. 2 is the synoptic diagram of steel built-in fitting.
Fig. 3 angle steel synoptic diagram.
Fig. 4 band steel synoptic diagram.
Specific implementation method
Below in conjunction with embodiment of the present invention is described shown in specific implementation method and the figure:
1, built-in fitting is made
Built-in fitting forms with steel plate and Steel Reinforcing Rod welding production, and the thick 10mm of steel plate, length and width are 150mm * 150mm; The Steel Reinforcing Rod diameter is 8mm, and long is 160mm, Steel Reinforcing Rod below crotch.
2, the band steel specification is 70mm * 8mm, and the grid band steel will carry out machining, planeness≤0～2mm
3, select for use ∠ 75mm angle steel as pillar, angle steel needs machining, mills slotted hole on the angle steel top, diameter 12mm, the long 30mm in hole.
4, bolt adopts M12 * 40 models.
5, grid-type carbon is smash the scale group to installing:
According to construction process requirement, after the pipelining of water-cooled furnace bottom, examination are finished, need carry out the construction of furnace bottom mould material.In the construction of furnace bottom mould material, bury the steel built-in fitting underground by design attitude and requirement.On built-in fitting, angle steel on the vertical weld, with Bolt Connection grid band steel, the band steel machined surface is upwards above the angle steel.After grid-type carbon is smash the whole installations of scale, utilize level measurement band steel band height, error≤2mm.
Grid-type carbon is smash scale and is installed, detects and finish the also qualified screed-coat ramming construction that promptly can be used for afterwards.
Claims (3)
1. a grid-type carbon-pounding scale of blast-furnace bottom leveling layer installation method is characterized in that, concrete steps are:
A, making steel built-in fitting (1), steel built-in fitting (1) forms with steel plate and Steel Reinforcing Rod welding production;
B, band steel (2) machining, processing facade and boring;
C, angle steel (3) machining, milling machine mills slotted hole;
D, when the furnace bottom mould material, bury steel built-in fitting (1) underground, row distance is 0.8～0.9m, column distance is 0.8m～1m;
E, on the plane of steel built-in fitting (1), vertically weld angle steel (3); With band steel (2) machined surface upwards, with bolt it is connected on the angle steel (3); After the whole installations of band steel (2), at the bottom of State of Blast Furnace, just formed the steel structure frame of a grating.
2. according to the method described in the claim 1, it is characterized in that among the step a, the thick 10～14mm of steel plate, length and width are 150～200mm * 150～200mm; The Steel Reinforcing Rod diameter is 8～10mm, and length is 160～200mm, Steel Reinforcing Rod below crotch.
3. according to the method described in the claim 1, it is characterized in that microscler bolt hole is milled on angle steel (3) top, diameter 10～12mm, the long 30～40mm in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010242381 CN101899541B (en) | 2010-08-02 | 2010-08-02 | Method for mounting grid-type carbon-pounding scale of blast-furnace bottom leveling layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010242381 CN101899541B (en) | 2010-08-02 | 2010-08-02 | Method for mounting grid-type carbon-pounding scale of blast-furnace bottom leveling layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101899541A CN101899541A (en) | 2010-12-01 |
| CN101899541B true CN101899541B (en) | 2011-09-21 |
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| CN 201010242381 Expired - Fee Related CN101899541B (en) | 2010-08-02 | 2010-08-02 | Method for mounting grid-type carbon-pounding scale of blast-furnace bottom leveling layer |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108251585B (en) * | 2018-01-23 | 2020-03-27 | 宝钢湛江钢铁有限公司 | Method for ramming blast furnace hearth circumferential seam filler |
| CN108504807B (en) * | 2018-04-28 | 2020-05-26 | 上海二十冶建设有限公司 | Leveling control method for blast furnace bottom refractory material construction |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294082A (en) * | 2008-06-24 | 2008-10-29 | 中国第一冶金建设有限责任公司 | Leveling method in coke oven base roof plate small bracket construction |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3110683B2 (en) * | 1996-09-20 | 2000-11-20 | 川崎製鉄株式会社 | How to attach a steel reinforcing member to a blast furnace furnace block |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294082A (en) * | 2008-06-24 | 2008-10-29 | 中国第一冶金建设有限责任公司 | Leveling method in coke oven base roof plate small bracket construction |
Non-Patent Citations (2)
| Title |
|---|
| JP特开平10-96004A 1998.04.14 |
| 马国章.高炉炉底和炉缸内衬的砌筑施工规范及验收方法.《耐火材料》.2005,第39卷(第1期),第72-73页. * |
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Granted publication date: 20110921 Termination date: 20210802 |