CN102500753A - Brick building process of bottom of steel ladle - Google Patents
Brick building process of bottom of steel ladle Download PDFInfo
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- CN102500753A CN102500753A CN2011103944213A CN201110394421A CN102500753A CN 102500753 A CN102500753 A CN 102500753A CN 2011103944213 A CN2011103944213 A CN 2011103944213A CN 201110394421 A CN201110394421 A CN 201110394421A CN 102500753 A CN102500753 A CN 102500753A
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Abstract
The invention discloses a brick building process of the bottom of a steel ladle. The brick building process comprises the following steps of: dividing the bottom of the steel ladle into a plurality of square-shaped prebuilding block areas, manufacturing a corresponding mold according to the plurality of square-shaped prebuilding block areas, then manufacturing corresponding prebuilding blocks in the mold, and lifting the prebuilding blocks into the corresponding square-shaped prebuilding block areas after the prebuilding blocks are integrated. According to the brick building process, the prebuilding can be carried out on the bottom of the steel ladle in the prebuilding block mold, so that an operator can operate without needing to wait for cooling of the steel ladle, and the brick building process is very beneficial to reasonable arrangement of the building production tasks of the steel ladle. Simultaneously, according to the process, the building quality of the bottom of the steel ladle also can be improved, the labor intensity of workers is reduced and the potential safety hazard of the workers is reduced.
Description
Technical field
The present invention relates to the ladle of carrying molten steel, particularly a kind of technology that adopts at the bottom of refractory brick is built the ladle bag by laying bricks or stones.
Background technology
Ladle is carrying molten steel and a kind of container that carries out external refining, is to connect requisite transportation in converter to the continuous casting STEELMAKING PRODUCTION process, external refining and pouring molten steel instrument.Working lining adopts refractory brick to build by laying bricks or stones at the bottom of the ladle bag, analyzes brick building technology at the bottom of the present ladle bag, and mainly there is the deficiency of following several respects in it:
1, must wait until that the ladle cooling operating personnel that puts in place of rolling off the production line could get into bag bottom application worker, and working lining is built and is needed operating personnel 4 people at the bottom of each ladle bag by laying bricks or stones, ability completion in average 4 hours consuming time, operating efficiency is low, is unfavorable for that ladle has enough to meet the need;
2, brick to build brickwork joint more at the bag end, in building process, needs to use wooden mallet knock bag end brick, so just make the bag that puzzles easily at the bottom of brick be shifted, so the quality control difficulty of brickwork joint is bigger, has security-hidden trouble;
3, the online use of ladle, anti-material residual thick be that benchmark is judged with datum level at the bottom of the ladle bag, and the present pattern of building by laying bricks or stones, datum level is not very smooth at the bottom of the bag that lays, and so just possibly cause residual thick erroneous judgement disconnected, has certain safety in production hidden danger;
4, build the bag end by laying bricks or stones and all be to use wall to hang to winch to one by one with anti-material and wrap at the end, for fear of hanging the potential safety hazard that thing falls and hurts sb.'s feelings, the operating personnel will come out in ladle when hanging anti-material at every turn and advancing to wrap the end, so the operating personnel need repeatedly pass in and out ladle.Operating personnel's labour intensity is bigger, and ladle is climbed the hidden danger that the bamboo ladder also exists cunning to fall up and down.
Summary of the invention
To the deficiency of above-mentioned prior art, the purpose of this invention is to provide and a kind ofly practice thrift the ladle repairing time, accelerate brick building technology at the bottom of the ladle bag of ladle turnaround speed.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
Brick building technology at the bottom of a kind of ladle bag, it comprises the steps:
Be divided at the bottom of the ladle bag of 1) needs being built by laying bricks or stones that pocket block is built the district by laying bricks or stones, the district built by laying bricks or stones by air brick and refractory brick is built the district by laying bricks or stones; Build by laying bricks or stones at refractory brick again and mark off a plurality of square preparatory building blocks district in the district, square preparatory building block district should and pocket block is built the district by laying bricks or stones, air brick is built by laying bricks or stones between district, the ladle inner wall and separated certain interval;
2) make preparatory building block mould based on shape, the size in each square piece district that lays bricks in advance;
3) build requirement by laying bricks or stones by refractory brick and in each preparatory building block mould, build refractory brick by laying bricks or stones, build by laying bricks or stones and accomplish the back and adopt positioning fixture to fix, treat the refractory brick of building by laying bricks or stones in the preparatory building block mould form one whole after the demoulding;
4) adopt suspender to hang in the ladle each masonry block after the demoulding, and be placed in the corresponding square preparatory building block district;
5) build the district by laying bricks or stones at pocket block and build pocket block by laying bricks or stones, build the district by laying bricks or stones at air brick and build air brick by laying bricks or stones, adopt refractory brick to build the gap between each masonry block and pocket block, air brick, the ladle inner wall by laying bricks or stones at last.
Preferably; In step 2) in, when making preparatory building block mould, lay a steel plate at first on the ground; The size of steel plate should be slightly larger than the size in the corresponding square piece district that lays bricks in advance; On steel plate, place a dismountable frame type die then, the shape of said frame mold, size should adapt with shape, the size in the pairing square piece district that lays bricks in advance, and the both sides of frame type die are provided with positioning fixture.
The refractory brick of preferably, building by laying bricks or stones in each preparatory building block mould in the step 3) needs could the demoulding after 24 hours through natural Health preservation.
Technique scheme has following beneficial effect: brick building technology can be in preparatory building block mould be built by laying bricks or stones at the bottom of to the ladle bag in advance at the bottom of (1) this ladle bag; The operating personnel just need not to leave no choice but just can carry out operation after the ladle cooling by the time like this, therefore is very beneficial for the reasonable arrangement that ladle is built production task by laying bricks or stones; (2) use preparatory building block mould to build by laying bricks or stones; Has the two-way reference of datum level and bottom surface on the building block mould in advance; Can effectively avoid building the datum level out-of-flatness end by laying bricks or stones like this and cause the disconnected safety in production hidden danger of residual thick erroneous judgement in the online use of ladle, adopt preparatory building block mould to position in the building process in advance simultaneously, even use wooden mallet to strike tightly because of bag; Refractory brick can not be shifted yet, and can guarantee that the quality control of brickwork joint is up to standard; (3) brick building technology can reduce operating personnel's ladle number of times up and down at the bottom of this bag of enforcement, reduces potential safety hazard and operating personnel's labour intensity, also can reduce the activity duration of operating personnel in bag simultaneously, reduces the potential safety hazard that operating personnel's high temperature is suffered heatstroke.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention, understands technological means of the present invention in order can more to know, and can implement according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. this patent is elaborated.
Description of drawings
Fig. 1 carries out the sketch map that the zone is divided for the embodiment of the invention.
Fig. 2 is the structural representation of embodiment of the invention refractory brick when building block mould is built by laying bricks or stones in advance.
Structural representation when Fig. 3 wraps for embodiment of the invention masonry block is placed at the end.
Structural representation when Fig. 4 builds completion by laying bricks or stones for the embodiment of the invention.
The specific embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described in detail.
As shown in Figure 1; Brick building technology is when constructing at the bottom of this ladle bag; Mark off according to the position of pocket block, air brick needs setting at the bottom of the ladle bag at first that pocket block is built district 3 by laying bricks or stones and air brick is built district 2 by laying bricks or stones; All the other positions at the bottom of the ladle bag are that refractory brick is built district 1 by laying bricks or stones; And then build the district by laying bricks or stones at refractory brick and mark off several square preparatory building block districts 4 on 1, the size in square preparatory building block district 4, number can according at the bottom of the ladle bag, pocket block builds district 3 and air brick by laying bricks or stones and builds the change that the particular location in district 2 adapts by laying bricks or stones, building by laying bricks or stones to divide in the district 1 like refractory brick in the present embodiment has four square preparatory building block districts 4; Square preparatory building block district 4 and air brick are built district 2 by laying bricks or stones, pocket block is built by laying bricks or stones between district 3, ladle inner wall and should be separated certain interval, can be convenient to follow-up construction like this.Preparatory building block district is arranged to square the be convenient to making of mould and building by laying bricks or stones of preparatory building block.
As shown in Figure 2, make preparatory building block mould 6 based on size, the shape in each square preparatory building block district 4.In advance building block mould 6 is when making, can be at first at smooth floor pavement steel plate, and steel plate length and the width that is laid on ground all should be than the big 200mm～300mm of size in corresponding square preparatory building block district 4, can guarantee like this that the refractory brick of building by laying bricks or stones is smooth not misplace.And then the frame type die of on steel plate, placing steel, this frame type die should be detachable, and the shape of frame mold, size should adapt with shape, the size in the pairing square piece district that lays bricks in advance, and in the both sides of this frame type die positioning fixture be set.
After building block mould 6 is made in advance; Build requirement by laying bricks or stones by refractory brick and in the frame type die of each preparatory building block mould, build refractory brick by laying bricks or stones; Adopt positioning fixture to fix after building completion by laying bricks or stones, can avoid refractory brick in building process, to be shifted like this, guarantee that the refractory brick fissure of displacement is built by laying bricks or stones, mortar is full, mortar joint is up to standard.The refractory brick of building by laying bricks or stones in the building block mould in advance forms can be opened the frame type die after the integral body and carry out the demoulding, firm in order to ensure mortar setting between the refractory brick, forms an integral body, generally needs natural Health preservation ability demoulding after 24 hours.
Preparatory building block after the demoulding is holistic masonry block, and can adopt suspender that each masonry block is hung in the ladle this moment, and is placed in the corresponding square preparatory building block district 4 (as shown in Figure 3).As shown in Figure 4 then;, pocket block builds pocket block 8 by laying bricks or stones in building district 3 by laying bricks or stones; Build the district by laying bricks or stones at air brick and build air brick 7 by laying bricks or stones in 2, adopt refractory brick to build the gap between each masonry block and pocket block, air brick, the ladle inner wall by laying bricks or stones at last again, can build completion by laying bricks or stones at the bottom of the whole like this ladle bag.
Adopt at the bottom of this ladle bag brick building technology can be in building block mould in advance to build by laying bricks or stones in advance at the bottom of to the ladle bag, the operating personnel just need not to leave no choice but just can carry out operation after the ladle cooling by the time like this, so is very beneficial for the reasonable arrangement that ladle is built production task by laying bricks or stones.Use preparatory building block mould to build by laying bricks or stones; Has the two-way reference of datum level and bottom surface on the building block mould in advance; Can effectively avoid building the datum level out-of-flatness end by laying bricks or stones like this and cause the disconnected safety in production hidden danger of residual thick erroneous judgement in the online use of ladle, adopt preparatory building block mould to position in the building process in advance simultaneously, even use wooden mallet to strike tightly because of bag; Refractory brick can not be shifted yet, and can guarantee that the quality control of brickwork joint is up to standard.Because each preparatory building block can disposablely hang in the ladle; The operating personnel just need not repeatedly to pass in and out ladle like this; Thereby can reduce operating personnel's ladle number of times up and down; Reduce potential safety hazard and operating personnel's labour intensity, also can reduce the activity duration of operating personnel in bag simultaneously, reduce the potential safety hazard of operating personnel's high temperature heatstroke.
More than brick building technology at the bottom of a kind of ladle bag that the embodiment of the invention provided has been carried out detailed introduction; For one of ordinary skill in the art; According to the thought of the embodiment of the invention, the part that on the specific embodiment and range of application, all can change, in sum; This description should not be construed as limitation of the present invention, and all any changes of making according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (3)
1. brick building technology at the bottom of the ladle bag is characterized in that it comprises the steps:
Be divided at the bottom of the ladle bag of 1) needs being built by laying bricks or stones that pocket block is built the district by laying bricks or stones, the district built by laying bricks or stones by air brick and refractory brick is built the district by laying bricks or stones; Build by laying bricks or stones at refractory brick again and mark off a plurality of square preparatory building blocks district in the district, square preparatory building block district should and pocket block is built the district by laying bricks or stones, air brick is built by laying bricks or stones between district, the ladle inner wall and separated certain interval;
2) make preparatory building block mould based on shape, the size in each square piece district that lays bricks in advance;
3) build requirement by laying bricks or stones by refractory brick and in each preparatory building block mould, build refractory brick by laying bricks or stones, build by laying bricks or stones and accomplish the back and adopt positioning fixture to fix, treat the refractory brick of building by laying bricks or stones in the preparatory building block mould form one whole after the demoulding;
4) adopt suspender to hang in the ladle each masonry block after the demoulding, and be placed in the corresponding square preparatory building block district;
5) build the district by laying bricks or stones at pocket block and build pocket block by laying bricks or stones, build the district by laying bricks or stones at air brick and build air brick by laying bricks or stones, adopt refractory brick to build the gap between each masonry block and pocket block, air brick, the ladle inner wall by laying bricks or stones at last.
2. brick building technology at the bottom of the ladle bag according to claim 1; It is characterized in that: in step 2) in, when making preparatory building block mould, lay a steel plate at first on the ground; The size of steel plate should be slightly larger than the size in the corresponding square piece district that lays bricks in advance; On steel plate, place a dismountable frame type die then, the shape of said frame mold, size should adapt with shape, the size in the pairing square piece district that lays bricks in advance, and the both sides of frame type die are provided with positioning fixture.
3. brick building technology at the bottom of the ladle bag according to claim 1 is characterized in that: the refractory brick of building by laying bricks or stones in each preparatory building block mould in the step 3) needs could the demoulding after 24 hours through natural Health preservation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103944213A CN102500753A (en) | 2011-12-02 | 2011-12-02 | Brick building process of bottom of steel ladle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103944213A CN102500753A (en) | 2011-12-02 | 2011-12-02 | Brick building process of bottom of steel ladle |
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| CN102500753A true CN102500753A (en) | 2012-06-20 |
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| CN2011103944213A Pending CN102500753A (en) | 2011-12-02 | 2011-12-02 | Brick building process of bottom of steel ladle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886514A (en) * | 2012-10-26 | 2013-01-23 | 武汉钢铁(集团)公司 | Ladle bottom casting method and lashed area reinforced castable construction mould thereof |
| CN107008888A (en) * | 2016-01-27 | 2017-08-04 | 鞍钢股份有限公司 | A kind of ladle pocket block builds localization method by laying bricks or stones with ventilating seat brick |
| CN113976870A (en) * | 2021-10-21 | 2022-01-28 | 武汉钢铁集团耐火材料有限责任公司 | Technological method for prebuilt steel ladle working lining refractory bricks |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02147158A (en) * | 1988-11-29 | 1990-06-06 | Kobe Steel Ltd | Method for constructing brick at bottom part in molten steel ladle |
| JP2000288720A (en) * | 1999-04-07 | 2000-10-17 | Nippon Steel Corp | Molten metal vessel having joining interface between monolithic refractories and manufacture thereof |
| CN101117851A (en) * | 2007-06-28 | 2008-02-06 | 武汉钢铁(集团)公司 | Ladle bottom construction method |
| CN201264085Y (en) * | 2008-09-26 | 2009-07-01 | 鞍钢股份有限公司 | Molten steel tank bottom working lining brick building structure |
| CN101683690A (en) * | 2008-09-26 | 2010-03-31 | 鞍钢股份有限公司 | Method for constructing bottom of ladle |
-
2011
- 2011-12-02 CN CN2011103944213A patent/CN102500753A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02147158A (en) * | 1988-11-29 | 1990-06-06 | Kobe Steel Ltd | Method for constructing brick at bottom part in molten steel ladle |
| JP2000288720A (en) * | 1999-04-07 | 2000-10-17 | Nippon Steel Corp | Molten metal vessel having joining interface between monolithic refractories and manufacture thereof |
| CN101117851A (en) * | 2007-06-28 | 2008-02-06 | 武汉钢铁(集团)公司 | Ladle bottom construction method |
| CN201264085Y (en) * | 2008-09-26 | 2009-07-01 | 鞍钢股份有限公司 | Molten steel tank bottom working lining brick building structure |
| CN101683690A (en) * | 2008-09-26 | 2010-03-31 | 鞍钢股份有限公司 | Method for constructing bottom of ladle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886514A (en) * | 2012-10-26 | 2013-01-23 | 武汉钢铁(集团)公司 | Ladle bottom casting method and lashed area reinforced castable construction mould thereof |
| CN102886514B (en) * | 2012-10-26 | 2014-08-13 | 武汉钢铁(集团)公司 | Ladle bottom casting method and lashed area reinforced castable construction mould thereof |
| CN107008888A (en) * | 2016-01-27 | 2017-08-04 | 鞍钢股份有限公司 | A kind of ladle pocket block builds localization method by laying bricks or stones with ventilating seat brick |
| CN113976870A (en) * | 2021-10-21 | 2022-01-28 | 武汉钢铁集团耐火材料有限责任公司 | Technological method for prebuilt steel ladle working lining refractory bricks |
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Application publication date: 20120620 |