CN106123600B - A kind of high temperature lower convex platform formula combined fireproof brick and production method - Google Patents
A kind of high temperature lower convex platform formula combined fireproof brick and production method Download PDFInfo
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- CN106123600B CN106123600B CN201610659250.5A CN201610659250A CN106123600B CN 106123600 B CN106123600 B CN 106123600B CN 201610659250 A CN201610659250 A CN 201610659250A CN 106123600 B CN106123600 B CN 106123600B
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- working lining
- layer
- steel plate
- insulating layer
- pouring layer
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Classifications
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- 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
- F27D1/06—Composite bricks or blocks, e.g. panels, modules
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention discloses a kind of high temperature lower convex platform formula combined fireproof bricks, and including insulating layer, pouring layer and working lining, the insulating layer is connect by a pair of of attachment device with pouring layer, and pouring layer is connect with working lining, and attachment device sequentially passes through steel plate and insulating layer；The pouring layer is equipped with dovetail groove, and the working lining is equipped with dovetail boss, and dovetail boss is inserted into dovetail groove, working lining is fixed on pouring layer.The present invention in pouring layer by being externally provided with thermal insulation layer, and leading to the temperature of working lining, steel plate is not run in high temperature for a long time, and antirust paint will not fall off, and extends the service life of steel plate by good isolation；Since polylith refractory brick is connected by steel plate, when needing replacing, it is only necessary to unscrew bolt, it is possible to replace refractory brick, it is convenient to replace；When top needs to build by laying bricks or stones at the top of arc, it is only necessary to working lining be done camber on one side, connected by steel plate, without suspender member, place has greatly been saved, improved installation effectiveness.
Description
Technical field
The present invention relates to a kind of high temperature lower convex platform formula combined fireproof brick and production methods, belong to brickwork field.
Background technology
Making of hot environments refractory brick such as existing metallurgy, chemical industry and there are many building by laying bricks or stones, are attributed to following three categories.
One kind is no good thermal insulation layer, and good insulating layer material thermal conductivity factor will be in 0.2w/ (m.k) hereinafter, mesh
Preceding most commonly used this material has rock wool, fibrofelt etc..Without thermal conductivity factor in 0.2w/ if the building by laying bricks or stones of rotary kiln
(m.k) adiabator layer below, riveting component also have face to contact with the existing point contact of cylinder, and working lining refractory brick connects with riveting component
It touches.Lead to the high-temperature refractory steel that cylinder must be more than 20g, since cylinder is run at high temperature for a long time, antirust paint is fallen seriously,
Cylinder gets rusty, and oxidation is serious, and it is energy loss that internal heat, which is dispersed into cylinder, results in the need for consuming more fuel to maintain operating mode
Temperature.Traditional rotary kiln brick shape and building method can not fix rock wool or fibrofelt；Or there are rock wool layer or fibre felt layer
Afterwards, internal refractory brick can not be fixed.
Two classes are can not local replacing.As blast furnace, hot-blast stove, drying grate, rotary kiln refractory material can not local replacing.
Because the weight that some are last layer bricks need to be supported by next layer of brick, some are that operational layer brick is built into an entirety, some are bricks
The interlocking structure between brick.Some brick energy local replacings, but operational layer brick does not vibrate high extrusion mo(u)lding into hydraulic press and goes forward side by side stove
Kiln high temperature is roasted, operational layer brick short life.
Three classes are when top needs to build refractory brick by laying bricks or stones, and previous technique is to set suspender member or napex is designed balling-up
Shape or circle, this method need not be top designs into spherical or circle, without being exposed to the outer long suspender member of length and hanging beam.When
Need to build by laying bricks or stones at the top of one rectangle truck refractory brick it is heat-insulated when, hanging beam and the suspender member too side of occupation of land, the side of being at the top of rectangle truck
Shape, can not set arch brick prevents from falling.
Invention content
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention proposes a kind of high temperature lower convex platform formula combination
Formula refractory brick and production method by being externally provided with insulating layer in pouring layer, play good heat insulation, protect steel plate, extend
Service life.
Technical solution：In order to solve the above technical problems, a kind of high temperature lower convex platform formula combined fireproof brick of the present invention, including
Insulating layer, pouring layer and working lining, the insulating layer are connect by a pair of of attachment device with pouring layer, and pouring layer connects with working lining
It connects, attachment device sequentially passes through steel plate and insulating layer；The pouring layer is equipped with dovetail groove, and it is convex that the working lining is equipped with dovetail
Platform, dovetail boss are inserted into dovetail groove, working lining are fixed on pouring layer, and it is recessed that a pair of of attachment device is located at dovetail respectively
The both sides of slot.
Preferably, the attachment device includes screw rod and nut, screw rod is fixed in pouring layer, and screw rod sequentially passes through guarantor
Warm layer and pouring layer, by nut by Interal fixation on insulating layer.
Preferably, the insulating layer is rock wool or fibrofelt.
Preferably, one side of the working lining far from pouring layer is arc, when being built by laying bricks or stones for top, space can be saved, to top
Portion's furnace shell shape is woth no need to Seeking Truth spherical shape or dome-shaped.
Preferably, the nut outside weld is connected to the semicircle spherical shape seal closure of package nut, can working condition pressure be existed
0.1Mpa~0.3Mpa improves sealing grade.
It is a kind of it is above-mentioned at a high temperature of projective table type combined fireproof brick production method, include the following steps：
(1) working lining is placed on by vibration high-pressure hydraulic press molding according to design requirement, is then formed into kiln high-temperature firing；
(2) according to design requirement, attachment device is made；
(3) castable is selected according to operating condition design, working lining and attachment device is connected by castable by an entirety,
110 DEG C of temperature of pouring temperature cure 24 hours；
(4) in the good position trepanning of steel plate design, insulating layer is spread on the steel plate；
(5) attachment device is tightened by trepanning in steel plate external application gasket, nut.
In the present invention, pouring layer side is combined with working lining dovetail groove, side according to operating condition design into flat shape or
Arc is equipped with metal rod among pouring layer, and as screw rod, the material of rod piece is selected according to operating mode, the trade mark have Q235A,
Q235C, Q345C, Q390A, 304 stainless steels etc..Rod piece fixes rock wool or fibrofelt for fixing refractory brick.Castable exists
It is ambient temperature curing to have intensity, without into stove high temperature roast, internal metal rod will not because high temperature roast deformation, oxidation and
Strength reduction.
The brick of working lining selects high-alumina brick, diamond spar brick or SiC bricks according to operating mode, performance be wear-resistant, pressure-resistant, impact resistance,
High temperature resistant, operational layer brick locally occur liquid phase when high temperature is roasted, and liquid phase is being coupled to obtain more close and firm after cooling between particle.
Operational layer brick compressive resistance is in more than 80Mpa, and for thermal conductivity factor more than 5.0W/ (mk), fixed beam cannot be with operational layer brick
Stove is fired when together, because stove kiln temperature is at 1000 DEG C or more.Fixed beam can not be contacted with operational layer brick, because of meeting
High temperature is imported into and is wanted on rod piece and furnace shell.After treatment, refractory brick compressive resistance at this moment can reach more than 30Mpa, lead
Hot coefficient in 1.0W/ (mk) hereinafter, meet the requirement of most operating modes, mating fixed beam material have Q235A,
Q345C or 304 stainless steels, wherein Q235A steel energy long-term stable operation are in 150 DEG C of temperature hereinafter, Q345C steel can be steady for a long time
Surely 400 DEG C of temperature is operated in hereinafter, 304 stainless steels can operate in less than 800 DEG C steadily in the long term.So castable is solid at 110 DEG C
Fixed beam material will not be caused to be denaturalized while change.
Good berth layer brick is first baked in stove by design requirement, fixed beam is carried out in machine shop, then by setting
Meter requirement makes castable mould, operational layer brick, fixed beam is poured into a mould curing molding in mould, such modular tile is completed
.Scene fastens modular tile with nut.Layering solves the problems, such as in this way.
Screw rod and 2 layers of fixed plate are welded, and surface is poured into a mould again after removing the impurity such as ash disposal, oil.The connection of castable and fixing piece
Connecing will ensure that certain contact area just can guarantee that fixing piece is consolidated with castable and couple, this is will be according to working condition requirement by setting
Count and test the data of acquirement.
Advantageous effect：Projective table type combined fireproof brick at a high temperature of the present invention, by being externally provided with thermal insulation layer in pouring layer, leads
Causing the temperature of working lining, steel plate is not run in high temperature for a long time, and antirust paint will not fall off, and extend steel plate by good isolation
Service life；Since polylith refractory brick is connected by steel plate, when needing replacing, it is only necessary to unscrew bolt, it is possible to replace
Refractory brick, it is convenient to replace；When top needs to build by laying bricks or stones at the top of arc, it is only necessary to working lining be done camber on one side, pass through steel
Plate connects, and without suspender member, has greatly saved place, has improved installation effectiveness.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of high temperature lower convex platform formula combined fireproof brick of the present invention, including insulating layer 5,2 and of pouring layer
Working lining 1, the insulating layer 5 are connect by a pair of of attachment device 3 with pouring layer 2, and pouring layer 2 is connect with working lining 1, connection dress
It puts 3 and sequentially passes through steel plate 4 and insulating layer 5；The pouring layer 2 is equipped with dovetail groove, and the working lining 1 is equipped with dovetail boss, swallow
Tail boss is inserted into dovetail groove, and working lining 1 is fixed on pouring layer 2, and a pair of of attachment device 3 is located at dovetail groove respectively
Both sides.
In the present invention, the attachment device 3 includes screw rod and nut, and screw rod is fixed in pouring layer 2, and screw rod is worn successively
Insulating layer 5 and pouring layer 2 are crossed, steel plate 4 is fixed on insulating layer 5 by nut.The pouring layer 2 is equipped with dovetail boss, institute
Working lining 1 is stated equipped with dovetail groove, dovetail boss is inserted into dovetail groove, working lining 1 is fixed on pouring layer 2.It is described
Insulating layer 5 is rock wool or fibrofelt.One side of the working lining 1 far from pouring layer 2 is arc, when being built by laying bricks or stones for top, can save sky
Between, to top furnace shell shape woth no need to Seeking Truth spherical shape or dome-shaped.The semicircle spherical shape that the nut outside weld is connected to package nut is close
Sealing cover can cause working condition pressure in 0.1Mpa~0.3Mpa, raising sealing grade.
It is a kind of it is above-mentioned at a high temperature of projective table type combined fireproof brick production method, include the following steps：
(1) working lining 1 is placed on by vibration high-pressure hydraulic press molding according to design requirement, then into kiln high-temperature firing and
Into；
(2) according to design requirement, attachment device 3 is made；
(3) according to operating condition design select castable, by castable working lining 1 and attachment device 3 be connected into one it is whole
Body, 110 DEG C of temperature of pouring temperature cure 24 hours；
(4) in 4 designed position trepanning of steel plate, in 4 upper berth insulating layer 5 of steel plate；
(5) attachment device 3 is tightened by trepanning in 4 external application gasket of steel plate, nut.
The refractory brick of the present invention by brick body due to being divided into three layers, and working lining 1 can be formed in kiln high-temperature firing, pouring layer 2
It is i.e. pourable at normal temperatures, screw rod and pouring layer 2 are fixed together so that pouring layer 2 has intensity in normal temperature cure, and screw rod
Deformation, oxidation and strength reduction will not be roasted because of high temperature.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of high temperature lower convex platform formula combined fireproof brick, it is characterised in that：It is described including insulating layer, pouring layer and working lining
Insulating layer is connect by a pair of of attachment device with pouring layer, and pouring layer is connect with working lining, attachment device sequentially pass through steel plate and
Insulating layer；The pouring layer is equipped with dovetail groove, and the working lining is equipped with dovetail boss, and dovetail boss is inserted into dovetail groove
In, working lining is fixed on pouring layer, a pair of of attachment device is located at the both sides of dovetail groove respectively；The attachment device includes
Screw rod and nut, screw rod are fixed in pouring layer, and screw rod sequentially passes through insulating layer and pouring layer, and Interal fixation is existed by nut
On insulating layer；The insulating layer is rock wool or fibrofelt.
2. high temperature lower convex platform formula combined fireproof brick according to claim 1, it is characterised in that：Working lining is far from pouring layer
One side be arc.
3. high temperature lower convex platform formula combined fireproof brick according to claim 1, it is characterised in that：The nut outside weld is connected to
Wrap up the semicircle spherical shape seal closure of nut.
4. high temperature lower convex platform formula combined fireproof brick according to claim 1, it is characterised in that：The working lining is high alumina
One kind in brick, diamond spar brick or SiC bricks.
It is 5. a kind of such as the production method of Claims 1-4 any one of them high temperature lower convex platform formula combined fireproof brick, feature
It is, includes the following steps：
(1) working lining is placed on by vibration high-pressure hydraulic press molding according to design requirement, is then formed into kiln high-temperature firing；
(2) according to design requirement, attachment device is made；
(3) castable is selected according to operating condition design, working lining and attachment device is connected by castable by an entirety, poured into a mould
110 DEG C of temperature of temperature cure 24 hours；
(4) in the good position trepanning of steel plate design, insulating layer is spread on the steel plate；
(5) attachment device is tightened by trepanning in steel plate external application gasket, nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610659250.5A CN106123600B (en) | 2016-08-11 | 2016-08-11 | A kind of high temperature lower convex platform formula combined fireproof brick and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610659250.5A CN106123600B (en) | 2016-08-11 | 2016-08-11 | A kind of high temperature lower convex platform formula combined fireproof brick and production method |
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| Publication Number | Publication Date |
|---|---|
| CN106123600A CN106123600A (en) | 2016-11-16 |
| CN106123600B true CN106123600B (en) | 2018-07-03 |
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| CN201610659250.5A Active CN106123600B (en) | 2016-08-11 | 2016-08-11 | A kind of high temperature lower convex platform formula combined fireproof brick and production method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766930A (en) * | 2016-12-27 | 2017-05-31 | 湖南湘钢瑞泰科技有限公司 | A kind of trolley breast plate of central cooler builds device by laying bricks or stones |
| CN114643351B (en) * | 2022-05-19 | 2022-07-22 | 河北纵横集团丰南钢铁有限公司 | Steel ladle for cleaning and transferring residual slag of weathering resistant steel liquid steel |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02282690A (en) * | 1989-04-24 | 1990-11-20 | Tadashi Sakurai | Refectory metallic plate |
| CN201355188Y (en) * | 2009-01-15 | 2009-12-02 | 范圣良 | Composite brick for mechanical shaft kiln |
| CN201770617U (en) * | 2010-04-04 | 2011-03-23 | 王怀荣 | Ceramic compound refractory brick |
| CN202281510U (en) * | 2011-11-01 | 2012-06-20 | 河南省新密市青屏耐火材料有限责任公司 | Refractory material inner liner |
| CN203964635U (en) * | 2014-07-21 | 2014-11-26 | 山东鲁铭高温材料科技有限公司 | The inner liner of rotary kiln that a kind of concrete prefabricated brick makes |
| CN205991711U (en) * | 2016-08-11 | 2017-03-01 | 江苏省冶金设计院有限公司 | A kind of high temperature lower convex platform formula combined fireproof brick |
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