CN110470143A - A method of using standard refractory brick masonry stove top dome - Google Patents
A method of using standard refractory brick masonry stove top dome Download PDFInfo
- Publication number
- CN110470143A CN110470143A CN201910661514.4A CN201910661514A CN110470143A CN 110470143 A CN110470143 A CN 110470143A CN 201910661514 A CN201910661514 A CN 201910661514A CN 110470143 A CN110470143 A CN 110470143A
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- China
- Prior art keywords
- brick
- top dome
- masonry
- region
- certificate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
- F27D1/045—Bricks for lining cylindrical bodies, e.g. skids, tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
Abstract
The present invention relates to the invention belongs to industrial furnace top dome masonry technology field more particularly to a kind of methods using standard refractory brick masonry stove top dome.It specifically includes: 1) the bottom disc of masonry top dome, 2) top dome certificate formwork, 3) top dome certificate unwrapping wire, 4) top dome certificate masonry.The present invention, which realizes, utilizes standard refractory brick masonry top dome certificate brick, maintenance investment is saved in industrial furnace maintenance process, does not have to customized top dome modular tile, while shortening the time between overhauls(TBO), the top dome production and application service life that this method is built simultaneously is long, generally can be at 8 years or more.
Description
Technical field
The present invention relates to the invention belongs to industrial furnace top dome masonry technology field more particularly to it is a kind of use standard refractory
The method of brick masonry stove top dome.
Background technique
Industrial furnace is the capital equipment that sulphur iron, aphalerite powder are carried out to ingredient separation in metallurgical engineering.Furnace body is by roasting
Room and siege are constituted, and firing chamber is that the position for seething reaction is contacted with air, and siege main function is from the high force feed of lower part blast cap
Wind.Top dome masonry is the key points and difficulties during entire fluidized bed furnace is built, while being also that current industrial furnace builds the block that field is most difficult to
Building technology, masonry quality determine the service life of furnace body.
At present in industrial furnace masonry project, top dome (segment) is built usually using combination brick masonry, and modular tile is different
Molded dimension brick, production cycle length, cost are high, need to be not easy to the inspection of industrial furnace with the customized production of refractory material producer in advance
It repairs, repair.It is therefore desirable to have a set of method using standard refractory brick masonry top dome, to fill up industrial furnace maintenance, maintenance skill
Blank in art.
Summary of the invention
To overcome above-mentioned the deficiencies in the prior art, the present invention provides a kind of using standard refractory brick masonry stove top dome
Method.Using standard refractory brick masonry top dome, it is not necessarily to customized modular tile, reduces construction cost, maintenance, dimension convenient for industrial furnace
It repairs.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
A method of using standard refractory brick masonry stove top dome, specifically comprise the following steps:
1) the bottom disc of top dome is built
Use trapezoidal brick as the bottom disc of the brick top dome of arch springing, the chamfer length of trapezoidal brick is equal to the length of tilting rectangular brick
Degree, trapezoidal brick masonry is at cup dolly, Brick for building of the tilting rectangular brick as top dome face；
2) top dome certificate formwork
Mould fixed first, mould are umbrella shape, and bottom is supported by scaffold is fixed；Multiple radian plate circumference uniform distributions, radian
Plate one end rides on mould, and one end is withstood on trapezoidal brick；Arc panel is supported by flitch supporting leg and is fixed；After mould and arc panel are fixed
Gap between connecting each arc panel with wood lath forms the spherical surface of hemisphere certificate tire；
3) top dome certificate unwrapping wire
Hemisphere bottom disc is divided into 4 parts, 4 vertex are respectively A, B, C, D, center of circle O；Corresponding bottom circle is found out first
The most long arc of face diameterAnd it is orthogonal, ink fountain snap the line is used on the wooden tyre surface, center of circle O point is found out, from center of circle O
Arc length 1300mm is measured, E point is obtained, fromOn measure arc length 1300mm, obtain G point, obtainSimilarly obtain
Tilting rectangular brick
Base opening width is 75mm, thenRegion is formed by 5 ring tilting rectangular brick masonries, brickwork joint 1.6mm； 2 base opening width of brick is 75mm, thenRegion
By 7 ring tilting rectangular brick masonries, brickwork joint 1.3mm；
WithSubject to skew block direction everyOne of region is separated, 6 regions is separated, projects on the wooden tyre surface
∠ 1, ∠ 2, ∠ 3, ∠ 4, ∠ 5 will be greater than 90 °, and 4 > ∠ of ∠ 1 > ∠, 2 > ∠, 3 > ∠ 5, ∠ DEG are right angle； Tilting rectangular brick base opening width is 75mm, thenRegion is brick by 5 ring tilting rectangulars
It builds, brickwork joint 2mm；It builds first since 1 region ∠, this region needs to process brick when building, and to use inside caliper amount brick
Upper and lower opening width starts the masonry in the region AOEG, the masonry sequence in the region DEG is ∠ 1 after 1 region ∠ builds completion half
It is built to 5 direction ∠ sequence；Region DEG, DEJ, CFI, CFH line-putting method is identical；
4) top dome certificate is built
Top dome uses tilting rectangular brick masonry, and the region DEG builds simultaneously with the region AOEG, respectively operated by least 1 bricklayer,
Other quadrants are also built in this way, and four quadrants will synchronize masonry, constant to guarantee to close the position Men Chu, need at least 8 altogether
Bricklayer operates simultaneously；
Neck brick stays equipment, method: it stays and above mentions 40~70mm when this being arranged brick masonry when setting, bottom pad 40~70mm thickness wooden unit, to
Brick is lived with flitch pad after the completion of top dome brick masonry, brick is tapped 40~70mm；
Build operating method: when masonry, the brick in each region must be parallel with control line always, and brick is perpendicular to spherical surface,
It must be adjusted in time if any error, each region mortar joint principle is that the lower mouth of brick must be stayed by design mortar joint, and when masonry scrapes grey masonry,
It is suitable for reading as needed can mouth grey slightly, to keep brick to build by control line and perpendicular to spherical surface.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is realized using standard refractory brick masonry top dome certificate brick, and maintenance is saved in industrial furnace maintenance process
Investment does not have to customized top dome modular tile, while shortening the time between overhauls(TBO), while the top dome that this method is built produces and uses the service life
It is long, it generally can be at 8 years or more.
Detailed description of the invention
Fig. 1 is that mould of the present invention installs sectional view；
Fig. 2 is trapezoidal brick structural representation front view of the present invention；
Fig. 3 is trapezoidal brick structural representation side view of the present invention；
Fig. 4 is tilting rectangular brick structure schematic front view of the present invention；
Fig. 5 is tilting rectangular brick structure diagrammatic side view of the present invention；
Fig. 6 is that unwrapping wire of the present invention builds top view.
In figure: 1- trapezoidal brick 2- arc panel 3- mould
Specific embodiment
Specific embodiments of the present invention will be further explained below, but is not intended to limit the scope of the invention:
Implementation column:
It is a kind of to use standard refractory brick masonry stove top dome for the segment of bottom disc diameter 6000mm with R=5000mm
Method, specifically comprise the following steps:
1) the bottom disc of top dome is built
As Figure 2-Figure 5, using standard brick trapezoidal brick 1 and tilting rectangular brick, trapezoidal brick 1 and tilting rectangular brick are mark
Quasi- part is not necessarily to customized modular tile, and construction cost is lower, makes specific modular tile without waiting for producer, so as to shorten construction
Duration.
Trapezoidal brick 1 is first used to come out the bottom disc of top dome (segment) as arch springing brick masonry, chamfer length of trapezoidal brick 1 etc. is oblique
The length of face rectangular tiles, trapezoidal brick 1 are built into cup dolly, close processable brick when door, and every piece of brick is greater than full sized brick 2/3.Inclined-plane square
Brick for building of the shape brick as top dome face.After brick 1 has been built, the brick that have support fixed holds out against furnace shell, so that furnace shell is top dome
The hard point of certificate brick.
2) top dome certificate formwork:
After trapezoidal brick 1 has built circumferential skew block, start formwork.As shown in Figure 1, mould 3 fixed first, mould 3
For diameter 1400mm, bottom is the thick wooden disk of 25mm, thereon uniformly distributed chord length 700mm, radius 5000mm radian centered on the center of circle
Plate 48, mould 3 is " umbrella shape " mould, and bottom is by scaffold support.
Radian plate 2 radius 5000mm, chord length 2500mm, it is 48 uniformly distributed, it is ridden on mould 3 on one side, withstands on trapezoidal brick 1 on one side
On, mould 3 is supported by scaffold is fixed, and radian plate 2 is fixed by 2 circumferential direction flitch supporting legs.
As shown in Figure 1, being connected with the wood lath of 25mm thickness, 45mm wide every after the completion of part mould 3 and arc panel 2 are fixed
Gap between a radian plate 2 forms the spherical surface of hemisphere certificate tire.
3) top dome certificate unwrapping wire
As shown in fig. 6, ABCDO is hemisphere top view, circumference ABCD is the bottom disc of segment, diameter 6000mm, in figure
Institute's dimensioning is the arc length on spherical surface, is close to the wooden tire measurement using 2m long Steel Ruler when practical unwrapping wire, this step must make
With 2m long mild steel board foot, tape measure cannot be used, otherwise error is excessive causes to build and can not carry out.
The most long arc of corresponding bottom disc diameter is found out firstAnd it is orthogonal, with ink fountain bullet on the wooden tyre surface
Line, finds out center of circle O point, and from the center of circle, O measures arc length 1300mm, obtains E point, fromOn measure arc length 1300mm, obtain G point, obtain
OutSimilarly obtain
This region is by scheming
4, tilting rectangular brick masonry in Fig. 5, tilting rectangular brick base opening width are 75mm, thenRegion by 5 ring tilting rectangular brick masonries and
At brickwork joint 1.6mm.2 base opening of brick is wide
For 75mm, thenRegion is by 7 ring tilting rectangular brick masonries, brickwork joint 1.3mm.
Region DEG, DEJ, CFI, CFH line-putting method is identical, illustrates by taking the region DEG as an example.
WithSubject to skew block direction everyOne of region is separated, 6 regions, ∠ can be separated according to the actual situation
1 region can not excessive, also should not be too small.∠ 1, ∠ 2, ∠ 3, ∠ 4, the ∠ 5 projected on the wooden tyre surface will be greater than 90 °, and ∠
1 > ∠, 2 > ∠, 3 > ∠, 4 > ∠ 5, ∠ DEG are right angle.Tilting rectangular brick base opening is wide
For 75mm, thenRegion is by 5 ring tilting rectangular brick masonries, brickwork joint 2mm.It builds first since 1 region ∠, this region needs
Brick is processed when building, to use the upper and lower opening width of inside caliper amount brick, after 1 region ∠ builds completion half, starts AOEG
The masonry in region, the masonry sequence in the region DEG are that ∠ 1 is built to 5 direction ∠ sequence.
4) top dome certificate is built
The region DEG and the region AOEG are built simultaneously respectively to be operated by a bricklayer, other quadrants are also built in this way, and four
A quadrant will synchronize masonry, constant to guarantee to close the position Men Chu, need 8 bricklayers altogether while operating.Neck brick stays equipment, method: neck brick position
It sets to stay as shown in Figure 6 and set, stay and above mention 60mm when this being arranged brick masonry when setting, 60mm thickness wooden unit is padded in bottom, complete to top dome brick masonry
Cheng Houyong flitch pad lives brick, and brick is tapped sinking 60mm.
Build operating method: the principle of this method is polygonal approximation circular arc, therefore subtle error will lean on building mortar layer
It digests and assimilates.When masonry, the brick in each region must be parallel with control line always, and brick is perpendicular to spherical surface, necessary if any error
Adjustment in time, each region mortar joint principle are that the lower mouth of brick must be stayed by design mortar joint, and when masonry scrapes grey masonry, it is suitable for reading as needed
Can mouth grey slightly, to keep brick to build by control line and perpendicular to spherical surface.As shown in fig. 6, being greater than when door is closed at place if closing gate-width degree
Brick is thick, can be rotated by 90 ° this row's brick, processes brick masonry in measurement with inside caliper.
The present invention is realized using standard refractory brick masonry top dome certificate brick, and maintenance is saved in industrial furnace maintenance process
Investment does not have to customized top dome modular tile, while shortening the time between overhauls(TBO), while the top dome that this method is built produces and uses the service life
It is long, it generally can be at 8 years or more.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (1)
1. a kind of method using standard refractory brick masonry stove top dome, which is characterized in that specifically comprise the following steps:
1) the bottom disc of top dome is built
Use trapezoidal brick as the bottom disc of the brick top dome of arch springing, the chamfer length of trapezoidal brick is equal to the length of tilting rectangular brick, ladder
Shape is brick to build up cup dolly, Brick for building of the tilting rectangular brick as top dome face；
2) top dome certificate formwork
Mould fixed first, mould are umbrella shape, and bottom is supported by scaffold is fixed；Multiple radian plate circumference uniform distributions, radian plate one
End rides on mould, and one end is withstood on trapezoidal brick；Arc panel is supported by flitch supporting leg and is fixed；With wood after mould and arc panel are fixed
Lath connects the gap between each arc panel, forms the spherical surface of hemisphere certificate tire；
3) top dome certificate unwrapping wire
Hemisphere bottom disc is divided into 4 parts, 4 vertex are respectively A, B, C, D, center of circle O；It is straight that corresponding bottom disc is found out first
The most long arc of diameterAnd it is orthogonal, ink fountain snap the line is used on the wooden tyre surface, finds out center of circle O point, O is measured from the center of circle
Arc length 1300mm obtains E point, fromOn measure arc length 1300mm, obtain G point, obtainSimilarly obtain
Tilting rectangular brick bottom
Mouth width is 75mm, thenRegion is formed by 5 ring tilting rectangular brick masonries, brickwork joint 1.6mm； 2 base opening width of brick is 75mm, thenRegion
By 7 ring tilting rectangular brick masonries, brickwork joint 1.3mm；
WithSubject to skew block direction everySeparate one of region, separate 6 regions, project to ∠ 1 on the wooden tyre surface,
∠ 2, ∠ 3, ∠ 4, ∠ 5 will be greater than 90 °, and 4 > ∠ of ∠ 1 > ∠, 2 > ∠, 3 > ∠ 5, ∠ DEG are right angle； Tilting rectangular brick base opening width is 75mm, thenRegion is brick by 5 ring tilting rectangulars
It builds, brickwork joint 2mm；It builds first since 1 region ∠, this region needs to process brick when building, and to use inside caliper amount brick
Upper and lower opening width starts the masonry in the region AOEG, the masonry sequence in the region DEG is ∠ 1 after 1 region ∠ builds completion half
It is built to 5 direction ∠ sequence；Region DEG, DEJ, CFI, CFH line-putting method is identical；
4) top dome certificate is built
Top dome uses tilting rectangular brick masonry, and the region DEG builds simultaneously with the region AOEG, respectively operated by least 1 bricklayer, other
Quadrant is also built in this way, and four quadrants will synchronize masonry, constant to guarantee to close the position Men Chu, needs at least 8 bricklayers altogether
It operates simultaneously；
Neck brick stays equipment, method: staying and above mentions 40~70mm, bottom pad 40~70mm thickness wooden unit, to top dome when this being arranged brick masonry when setting
Brick is lived with flitch pad after the completion of brick masonry, brick is tapped 40~70mm；
Build operating method: when masonry, the brick in each region must be parallel with control line always, and brick is perpendicular to spherical surface, if any
Error must adjust in time, and each region mortar joint principle is that the lower mouth of brick must be stayed by design mortar joint, and when masonry scrapes grey masonry, suitable for reading
As needed can mouth grey slightly, to keep brick to build by control line and perpendicular to spherical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910661514.4A CN110470143B (en) | 2019-07-22 | 2019-07-22 | Method for building kiln ball top by adopting standard refractory bricks |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910661514.4A CN110470143B (en) | 2019-07-22 | 2019-07-22 | Method for building kiln ball top by adopting standard refractory bricks |
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| CN110470143A true CN110470143A (en) | 2019-11-19 |
| CN110470143B CN110470143B (en) | 2020-10-20 |
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| CN101900486A (en) * | 2010-04-02 | 2010-12-01 | 攀钢集团冶金工程技术有限公司 | Multilayer roaster building method and hearth replacing method |
| CN103059883A (en) * | 2011-10-24 | 2013-04-24 | 五冶集团上海有限公司 | Arch stuffing supporting technology by bricking arch apex for division of flue in coke oven |
| CN103673621A (en) * | 2013-12-13 | 2014-03-26 | 五矿二十三冶建设集团有限公司 | Construction method for spherical furnace top of industrial furnace |
| CN104327883A (en) * | 2014-10-14 | 2015-02-04 | 洛阳利尔耐火材料有限公司 | Clamping fixture used for coal water slurry vapourizing furnace vault |
| CN204325397U (en) * | 2014-08-26 | 2015-05-13 | 上海宝冶集团有限公司 | A kind of hot air duct upper part masonry arch tire |
| CN106152790A (en) * | 2016-07-08 | 2016-11-23 | 杨福堂 | Stove top dome is without mould building method |
| CN109628110A (en) * | 2018-12-28 | 2019-04-16 | 中国冶集团有限公司 | Heat recovery coke oven fire door vault builds control device and control method |
-
2019
- 2019-07-22 CN CN201910661514.4A patent/CN110470143B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900486A (en) * | 2010-04-02 | 2010-12-01 | 攀钢集团冶金工程技术有限公司 | Multilayer roaster building method and hearth replacing method |
| CN103059883A (en) * | 2011-10-24 | 2013-04-24 | 五冶集团上海有限公司 | Arch stuffing supporting technology by bricking arch apex for division of flue in coke oven |
| CN103673621A (en) * | 2013-12-13 | 2014-03-26 | 五矿二十三冶建设集团有限公司 | Construction method for spherical furnace top of industrial furnace |
| CN204325397U (en) * | 2014-08-26 | 2015-05-13 | 上海宝冶集团有限公司 | A kind of hot air duct upper part masonry arch tire |
| CN104327883A (en) * | 2014-10-14 | 2015-02-04 | 洛阳利尔耐火材料有限公司 | Clamping fixture used for coal water slurry vapourizing furnace vault |
| CN106152790A (en) * | 2016-07-08 | 2016-11-23 | 杨福堂 | Stove top dome is without mould building method |
| CN109628110A (en) * | 2018-12-28 | 2019-04-16 | 中国冶集团有限公司 | Heat recovery coke oven fire door vault builds control device and control method |
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| CN110470143B (en) | 2020-10-20 |
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