CN106636509B - A kind of building method - Google Patents
A kind of building method Download PDFInfo
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- CN106636509B CN106636509B CN201510721103.1A CN201510721103A CN106636509B CN 106636509 B CN106636509 B CN 106636509B CN 201510721103 A CN201510721103 A CN 201510721103A CN 106636509 B CN106636509 B CN 106636509B
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Abstract
The present invention relates to a kind of building methods, the described method comprises the following steps: step 1: completing furnace bottom completely spreads carbon brick masonry；Step 2: side wall annular carbon brick is built, when circular carbon brick masonry is built to brick fuel top, first build outer ring, it is built and cooling wall top block with meeting brick fuel top, then inner ring is built again, after brick fuel top is built, wedge-shaped carbon brick is built, and width is bumped between cooling wall and carbon brick and is δ, is highly the copper baffle of h.When the second last block carbon brick of technical solution cupola well carbon brick below tuyere small sleeve modular tile is built; it takes top to build and withstands cooling wall method; copper baffle is embedded between last block carbon brick of cupola well and cooling wall; the water for leaking out cooling equipment breakage is flowed out along baffle; and periodically excluded through reserved mud jacking hole, without protecting the filler in dilatation joint not damage to form air gap by the dilatation joint between cupola well cooling wall and carbon brick; carbon brick is protected, the cupola well service life is extended.
Description
Technical field
The present invention relates to a kind of building methods, belong to iron-smelting process technical field.
Background technique
It is equal between fire resisting brick masonry and cooling wall and cooling wall and furnace shell when newly-built blast furnace or big or middle the builds furnace of blast furnace
There are dilatation joint, carbon ramming mass is filled in dilatation joint.Cupola well top is equipped with the cooling equipment such as air-supply air port, these cooling equipment
It is that water is cooling.Presently, there are the problem of be: in production process when cooling equipment breakage, because of cooling equipment cooling water pressure height
In high furnace pressure, cooling water is leaked into blast furnace, under furnace pressure effect, is permeated, is destroyed in dilatation joint along dilatation joint
Filler material reduces protection of the cooling effect to carbon brick of cooling wall to form coal gas air gap, invades the carbon brick built in cupola well
Erosion is accelerated, the lost of life.It may cause cupola well when serious and burn-through accident locally occur.The processing technique currently generallyd use
It is: after finding the cooling equipment damage such as air port in production process, reduces inflow in time, to prevent a large amount of leaks from seeping along dilatation joint
Thoroughly, the carbon ramming filler material in dilatation joint is destroyed.The factory having ready conditions with technical capability is filled out then using pressure carbon oil technology
Fill the carbon ramming filler material because of leak damage, protective effect of the regenerated gold deposits cooling wall to carbon brick, to extend cupola well or one
For the furnace service life of blast furnace.But the effect of this method is only alleviated to a certain extent, there is no long-term to solve the problems, such as this,
Therefore, a kind of new scheme of urgent need solves the technical problem.
Summary of the invention
It is fundamentally protected between carbon brick and cooling wall between dilatation joint to solve the above problems, ironmaking technology personnel constantly explore
The method do not damaged by cooling equipment leak of filler material, the present invention be exactly the newly-built or big or middle brickwork for repairing blast furnace i.e.
Carbon brick builds phase, a kind of building method of use, it may be assumed that the second last block carbon brick of cupola well carbon brick below tuyere small sleeve modular tile
When masonry, takes top to build and withstand cooling wall method, copper baffle is embedded between last block carbon brick of cupola well and cooling wall, is made cold
But the water that equipment breakage leaks out is flowed out along baffle, and is periodically excluded through reserved mud jacking hole, without passing through cupola well cooling wall and carbon
Dilatation joint between brick protects the filler in dilatation joint not damage to form air gap, protects carbon brick, extends the cupola well service life.
To achieve the goals above, technical scheme is as follows, a kind of building method, which is characterized in that the side
Method is the following steps are included: step 1: completing furnace bottom completely spreads carbon brick masonry；Step 2: side wall annular carbon brick is built, circular carbon is brick
When building brick fuel top block, outer ring is first built, is built with meeting brick fuel top block with cooling wall top, does not stay wanting for carbon ramming mass ramming layer
It asks, then builds inner ring again, it is different from inside to outside from what is routinely built at this.After brick fuel top is built, wedge-shaped carbon brick is built
It builds, width is bumped between cooling wall and carbon brick and is δ, is highly the fine copper matter baffle of h.
As an improvement of the present invention, in the first step, furnace bottom completely spreads carbon brick and builds since furnace core, will before building
Furnace bottom surface cleans up, and then builds first block of carbon brick of hearth center.It measures the levelness of first piece of carbon brick upper surface and hangs down
Straight degree is built in this, as the masonry benchmark of the 1st grate furnace bottom carbon brick then to two sides block-by-block, when masonry on carbon block bricklaying surface
One layer thin carbonaceous mud is uniformly brushed, the 1st grate furnace bottom carbon brick is made by oneself with 0 ° of each producer of line angle α.After the 1st row builds,
Held out against simultaneously using jack from both ends, had the gap mud extrusion, until gap is qualified, then with lay the 1st
On the basis of row, parallel to build the 2nd and the 3rd row, two-way to hold out against, the gap between carbon brick and cooling wall is locked with timber wedge, is then pressed
According to arrow direction in Fig. 2, and so on, other row's carbon bricks are built in order, until furnace bottom is completely spread, no matter building several rows, brickwork joint
Standard requirements are all had to comply with, Fang Zhun carries out lower step construction.After completely one layer of carbon brick of paving finishes building, the gap between carbon brick and cooling wall
It is filled and is consolidated with carbon ramming mass, by design requirement, the certain angle that misplaces builds next layer of carbon brick, until all furnace bottom carbon bricks are built
It has built.
As an improvement of the present invention, in the second step, side wall annular carbon brick is built, and before circular carbon brick masonry,
First pre- build (on selected place, polish and build in advance according to the actual size of cupola well to carbon brick, and to every block of carbon brick
Be numbered), to cupola well in when formally building, it is first determined open and build position, check the surface levelness, vertical for having built carbon brick
Degree and build after whether radius meet the requirements, by the pre- number order for building carbon brick and first build inner ring, rear masonry outer ring by interior
Outside principle is built position from and is built along circumference to both sides, when block arrives iron mouth region domain, first builds iron mouth, then build iron again
The carbon brick on mouth both sides, the annular carbon brick of masonry need to successively be built, and successively check the radius, surface smoothness, central point and height of carbon brick
The error of furnace vertical center line could build next layer after qualified, and every layer of carbon brick has been built, diametrically right on inspection after qualification
Claim segmentation, remove the rubbish in gap, filling charcoal element smashes material.
A kind of blast furnace crucibe, which is characterized in that the cupola well includes furnace bottom, side wall and furnace shell, and the furnace bottom includes furnace
Bottom carbon brick and ceramic blanket, the side wall are followed successively by that air port combination turns, wedge-shaped carbon brick, carbon brick top are built from top to bottom, the furnace shell and
It is provided with cooling wall between side wall, copper baffle is embedded between the cooling wall and carbon brick, the copper barrier width δ is 15-
25cm, height h are 20-30cm, and further, the copper barrier width δ is 18cm, height h is 25cm.
As an improvement of the present invention, be provided with expansion clearance between the cooling wall and side wall, the cooling wall with
It is provided with expansion clearance between furnace shell, carbon ramming mass is provided in the expansion clearance.
Compared with the existing technology, advantages of the present invention is as follows: the building method locally change carbon brick, carbon ramming mass,
Original masonry construction between cooling wall makes air port respectively cover the water leaked after breakage due to the structure of copper baffle and top block carbon brick changes
The carbon ramming mass filled layer being no longer flow through between furnace and cooling wall, but pass through reserved mud jacking hole and drain into outside furnace, eliminate carbon ramming
Material is washed erosion, and cupola well coal gas of high temperature enters and forms coal gas of high temperature air gap meeting, reduces the heat transfer between cooling wall and carbon brick,
Cooling wall is caused to reduce the cooling protection effect of carbon brick, the present invention can effectively prevent blast furnace crucibe carbon brick and cooling wall generates gas
Gap extends the carbon brick service life, improves furnace labour phase and the benefit of generation blast furnace.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is that furnace bottom completely spreads carbon brick structural schematic diagram；
Fig. 3 is the reserved mud jacking hole schematic diagram on furnace shell；
In figure: 1-sealing modular tile, the most upper one layer of carbon brick of 2-cupola wells, 3-copper baffles, 4-carbon brick tops are built, 5-carbons
Ramming mass, 6-cooling walls, 7-furnace shells, 8-reserved mud jacking holes, 9-infiltrations are drained to, 10- furnace bottom, 11- side wall, 12- furnace bottom
Carbon brick, 13- ceramic blanket.
Specific embodiment
In order to deepen the understanding of the present invention and recognize, the invention will be further described below in conjunction with the accompanying drawings and introduces.
Embodiment 1:
Referring to Fig. 1, Fig. 2, a kind of building method be the described method comprises the following steps: step 1: completing furnace bottom completely spreads carbon brick
It builds；Step 2: side wall annular carbon brick is built, when circular carbon brick masonry to brick fuel top is built, outer ring is built, first to meet brick fuel top
Build with cooling wall top build, do not stay the requirement of carbon ramming mass ramming layer, then build inner ring again, at this with routinely build by interior
Different outward, after 4 masonry are built on brick fuel top, wedge-shaped carbon brick 2 is built, and it is δ, height that width is bumped between cooling wall 6 and carbon brick
For the fine copper matter baffle 3 of h, it is 20-30cm that wherein 3 width δ of copper baffle, which is 15-25cm, height h, in the first step, furnace bottom
12 completely paving carbon bricks are built since furnace core, are cleaned up furnace bottom surface before building, are then built first block of carbon brick of hearth center,
Positioning brick in Fig. 2 measures the levelness and verticality of first piece of carbon brick upper surface, in this, as the block of the 1st grate furnace bottom carbon brick
Benchmark is built, is built then to two sides block-by-block, when masonry uniformly brushes one layer thin carbonaceous mud, the 1st grate furnace on carbon block bricklaying surface
Bottom carbon brick is made by oneself with 0 ° of each producer of line angle α.It after the 1st row builds, is held out against simultaneously using jack from both ends, institute is seamed
Gap has mud extrusion, until gap is qualified, then on the basis of the 1st row laid, the 2nd and the 3rd row of parallel masonry is two-way
It holding out against, the gap between carbon brick and cooling wall is locked with timber wedge, then according to arrow direction in Fig. 2, and so on, it builds in order
Other row's carbon bricks are built, until furnace bottom is completely spread, no matter building several rows, brickwork joint all has to comply with standard requirements, and Fang Zhun carries out lower step and applies
Work.It completely spreading after one layer of carbon brick finish building, the gap between carbon brick and cooling wall is filled with carbon ramming mass to be consolidated, by design requirement,
Dislocation certain angle builds next layer of carbon brick, until all furnace bottom carbon bricks have been built, in the second step, side wall annular carbon brick is built
It builds, before circular carbon brick masonry, first pre- to build, on selected place, polishing be carried out to carbon brick and according to the actual size of cupola well
Build, and every block of carbon brick be numbered in advance, to cupola well in when formally building, it is first determined open and build position, inspection has been built
It the surface levelness of carbon brick, verticality and builds after whether radius meet the requirements, by the pre- number order for building carbon brick and first builds
Inner ring builds the principle from inside to outside of outer ring afterwards, and position is built from and is built along circumference to both sides, when block arrives iron mouth region domain,
Iron mouth is first built, then builds the carbon brick on the both sides Tie Kou again, building annular carbon brick need to successively build, the layer-by-layer radius for checking carbon brick,
The error of surface smoothness, central point and blast furnace vertical center line could build next layer after qualified, and every layer of carbon brick has been built,
On inspection after qualification, the rubbish in gap is removed in diametrically symmetrical segmentation, and filling charcoal element smashes material.
Embodiment 2:
Referring to Fig. 1, Fig. 2, Fig. 3, a kind of blast furnace crucibe, the cupola well includes furnace bottom 10, side wall 11 and furnace shell 7, described
Furnace bottom 10 includes furnace bottom carbon brick 12 and ceramic blanket 13, and the side wall is followed successively by air port combination from top to bottom and turns 1, wedge-shaped carbon brick 2, carbon
Brick top builds 4, and cooling wall 6 is provided between the furnace shell 7 and side wall 11, and copper baffle 3 is embedded between the cooling wall 6 and carbon brick,
The copper barrier width δ is that 15-25cm, height h are 20-30cm, and further, the copper barrier width δ is 18cm, height h
For 25cm, the cooling wall 6 and side wall 11 between be provided with expansion clearance, be provided between expansion between the cooling wall and furnace shell
Gap is provided with carbon ramming mass 5 in the expansion clearance.It is newly-built or big or middle when repairing blast furnace brickwork in the technical solution, Fig. 1
Middle 1 lower section of tuyere combined brick, the cupola well carbon brick of layer second from the bottom, that is, carbon brick top is built 4 and is taken and the top of cooling wall 6 block, furnace from top to bottom
One block of carbon brick of cylinder top layer is the method that copper sheet baffle 3 is embedded between wedge-shaped carbon brick 2 and cooling wall 6, so that air port is respectively covered set damaged
The water of leakage is drained along infiltration flows into the gap between furnace shell 7 and cooling wall 6 to 9, through reserving 8 row of mud jacking hole shown in Fig. 1,3
To outside furnace, eliminates to the washing away erosion of carbon ramming mass 5 in Fig. 1 and generate air gap, form vapour lock, reduce cooling wall to carbon brick
Cooling protection effect extends the carbon brick service life, and the furnace for improving generation blast furnace uses as a servant the phase.
It should be noted that above-described embodiment, is not intended to limit the scope of protection of the present invention, in above-mentioned technical proposal
On the basis of made equivalents or substitution each fall within the range that the claims in the present invention are protected.
Claims (8)
1. a kind of building method, which is characterized in that the described method comprises the following steps: step 1: completing furnace bottom completely spreads carbon brick block
It builds；Step 2: side wall annular carbon brick is built, when circular carbon brick masonry to brick fuel top is built, outer ring is first built, to meet brick fuel top block
It is built with cooling wall top, then builds inner ring again, after brick fuel top is built, wedge-shaped carbon brick is built, between cooling wall and carbon brick
Width is bumped into be δ, be highly the copper baffle of h.
2. building method according to claim 1, which is characterized in that in the first step, furnace bottom completely spreads carbon brick from furnace core
Start to build, clean up furnace bottom surface before building, then builds first block of carbon brick of hearth center, measure on first block of carbon brick
The levelness and verticality on surface are built in this, as the masonry benchmark of the 1st grate furnace bottom carbon brick then to two sides block-by-block, are built
When one layer thin carbonaceous mud is uniformly brushed on carbon block bricklaying surface, when the 1st row build after, using jack from both ends simultaneously
It holds out against, has had the gap mud extrusion, until gap is qualified, it is parallel to build the 2nd then on the basis of the 1st row laid
Two-way to hold out against with the 3rd row, the gap between carbon brick and cooling wall is locked with timber wedge, and so on, other row's carbon are built in order
Brick, until furnace bottom is completely spread, after completely one layer of carbon brick of paving finishes building, the gap carbon ramming mass filling between carbon brick and cooling wall is smash
Real, by design requirement, the certain angle that misplaces builds next layer of carbon brick, until all furnace bottom carbon bricks have been built.
3. building method according to claim 1, which is characterized in that in the second step, side wall annular carbon brick is built, ring
Before shape carbon brick is built, first pre- to build, to cupola well in when formally building, it is first determined open and build position, check the table for having built carbon brick
It face levelness, verticality and builds after whether radius meet the requirements, by the pre- number order for building carbon brick and first builds inner ring, rear block
The principle from inside to outside for building outer ring is built position from and is built along circumference to both sides, when block arrives iron mouth region domain, first builds iron mouth,
Then the carbon brick on the both sides Tie Kou is built again, and building annular carbon brick need to successively build, and successively check radius, the surfacing of carbon brick
The error of degree, central point and blast furnace vertical center line could build next layer after qualified, and every layer of carbon brick has built, closed on inspection
After lattice, the rubbish in gap is removed in diametrically symmetrical segmentation, and filling charcoal element smashes material.
4. building method according to claim 1, which is characterized in that the copper barrier width δ is 15-25cm, height h
For 20-30cm.
5. the blast furnace crucibe that any one of the claim 1-4 building method is built, which is characterized in that the cupola well includes furnace
Bottom, side wall and furnace shell, the furnace bottom include furnace bottom carbon brick and ceramic blanket, and the side wall is followed successively by air port combination from top to bottom
Brick, wedge-shaped carbon brick, carbon brick top are built, and cooling wall is provided between the furnace shell and side wall, is embedded between the cooling wall and carbon brick
Copper baffle.
6. blast furnace crucibe according to claim 5, which is characterized in that be provided between expansion between the cooling wall and side wall
Gap is provided with expansion clearance, carbon ramming mass is provided in the expansion clearance between the cooling wall and furnace shell.
7. blast furnace crucibe according to claim 6, which is characterized in that the copper barrier width δ is 15-25cm, height h
For 20-30cm.
8. blast furnace crucibe according to claim 7, which is characterized in that the copper barrier width δ is 18cm, height h is
25cm。
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| CN201510721103.1A CN106636509B (en) | 2015-10-30 | 2015-10-30 | A kind of building method |
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| CN201510721103.1A CN106636509B (en) | 2015-10-30 | 2015-10-30 | A kind of building method |
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| CN106636509B true CN106636509B (en) | 2019-01-08 |
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| CN107299173A (en) * | 2017-07-13 | 2017-10-27 | 上海二十冶建设有限公司 | Segmentation pours the filling method between cooling wall in blast furnace |
| CN109628108B (en) * | 2018-12-21 | 2021-01-19 | 中国一冶集团有限公司 | Method for building secondary air inlet of heat recovery coke oven |
| CN111518974B (en) * | 2020-04-24 | 2021-10-01 | 五冶集团上海有限公司 | Method for controlling building flatness of fully-laid carbon bricks at bottom of blast furnace |
| CN112176138A (en) * | 2020-10-13 | 2021-01-05 | 中冶赛迪技术研究中心有限公司 | Blast furnace hearth masonry structure for eliminating blast furnace air gap |
| CN112176141B (en) * | 2020-11-18 | 2022-05-06 | 江苏沙钢集团有限公司 | Blast furnace tuyere protection device |
| CN113462833A (en) * | 2021-07-05 | 2021-10-01 | 鞍钢建设集团有限公司 | Method for accurately building blast furnace carbon bricks |
| CN113736934A (en) * | 2021-08-30 | 2021-12-03 | 上海宝冶冶金工程有限公司 | Construction method for building graphite safety wall of blast furnace body |
| CN114874792A (en) * | 2022-04-23 | 2022-08-09 | 中国五冶集团有限公司 | Error control method for front surface line of heat recovery coke oven |
| CN115232901A (en) * | 2022-08-02 | 2022-10-25 | 鞍钢建设集团有限公司 | Method for accurately controlling building quality of blast furnace carbon bricks |
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| CN2709456Y (en) * | 2003-07-18 | 2005-07-13 | 北京瑞尔非金属材料有限公司 | Blast furnace tuyere brick around composed structure |
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