CN109506469A - A kind of furnace body castable rapid constructing method - Google Patents
A kind of furnace body castable rapid constructing method Download PDFInfo
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- CN109506469A CN109506469A CN201811569522.8A CN201811569522A CN109506469A CN 109506469 A CN109506469 A CN 109506469A CN 201811569522 A CN201811569522 A CN 201811569522A CN 109506469 A CN109506469 A CN 109506469A
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- Prior art keywords
- furnace
- castable
- template
- furnace wall
- cast template
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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
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
- F27D1/1626—Making linings by compacting a refractory mass in the space defined by a backing mould or pattern and the furnace wall
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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
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
- F27D1/1694—Breaking away the lining or removing parts thereof
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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
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
- F27D2001/1605—Repairing linings
Abstract
The invention discloses a kind of furnace body castable rapid constructing methods, belong to metallurgical technology technical field.Construction method of the invention is specific as follows: the original refractory lining of furnace body is removed in S1, mechanization；S2, furnace wall heat insulation layer and refractory brick are built, installs furnace wall cast template, by conveying equipment, castable is delivered to operation place from stir spot, after casting complete, health, removes the furnace wall cast template；S3, the furnace roof cast template is installed, castable is delivered to operation place from stir spot, after casting complete, health, removes the furnace roof cast template；S4, the hole that the cast template leaves in furnace roof and furnace wall is blocked.The casting duration is shortened in the present invention, is improved work efficiency, while component used in furnace roof cast template and furnace wall cast template can recycle and reuse mostly, to reduce input cost.
Description
Technical field
The invention belongs to metallurgical technology technical fields, specifically, being related to a kind of furnace body castable rapid constructing method.
Background technique
With refractory technology progress, the castable refractory accounting that industrial furnace uses is higher and higher, such as heating furnace
The use of castable refractory accounts for 70% or more of whole inner lining materials, therefore castable construction quality and duration are directly related to
Industrial furnace is constructed total quality and duration.It is briefly described below with the existing construction method of heating furnace:
(1) the original refractory lining of past heating furnace is removed, it is contemplated that and the influence of furnace binding is general using artificial broken
It tears open, difficulty is big, the time is long, large labor intensity, and consumption unskilled labourer is more, and operating environment is extremely severe；
(2) the good castable of heating furnace Site is generally charged using keg or woven bag and is manually transmitted toward setting.
Every barrel or every Bag Material 10Kg or so, operating personnel lines up word length dragon, from mixing plant to setting refile.Such work
Not only operating efficiency is low for mode, high labor cost, while slurry can lose often during transmission, and then whole to pour mass
Weight generates certain influence；
(3) cast template installs, and general use sets up full hall scaffold in furnace, the support as furnace wall and furnace roof template
Rigid frame.But basic no operatton space and channel in furnace can be made, cause masonry of well, furnace ribbed tube wrapping casting must be first complete
At, or scaffold remove cleaning after implement, be unable to crossed construction, the duration is difficult to shorten, while needing a large amount of scaffold
Professional carries out assembling and disassembling, to increase cost of labor, and assembling and disassembling scaffold and when template in furnace, because of operation
Space and material access way it is limited, security risk is big.
Chinese patent notification number: 104848693 B of CN；The day for announcing: on February 22nd, 2017, one kind is disclosed in heating
The rapid constructing method of inner lining of furnace layer belongs to metallurgical production design and manufacturing technology field.It is low to provide a kind of construction cost, in furnace wall
After the completion of pouring construction, and the rapid construction side for oven inner liner layer of crossed construction can be carried out to furnace roof and furnace bottom simultaneously
Method.The rapid constructing method includes the following steps, using heating furnace water beam and column as support frame, with the support rib
Based on frame, triangle is first set up in heating furnace surrounding using scaffold tube and is spread out frame, sets up full framing on support frame top；So
Furnace wall liner layer formwork for placing and furnace roof liner layer formwork for placing are respectively fixed to triangle and spread out on frame and full framing afterwards；Then
Carry out pouring and conserving for furnace wall refractory lining layer；It then removes triangle to spread out frame, then carries out furnace roof refractory lining layer simultaneously
Pour the masonry with furnace bottom fire brick layer；Whole scaffold tubes and template are finally removed, and pours repairing and is located at furnace bottom refractory brick
Foot trick hole on layer carries out.But the invention is disadvantageous in that: although the invention can be completed in furnace wall pouring construction
Afterwards, while to furnace roof and furnace bottom crossed construction is carried out, but the invention can not simultaneously apply furnace roof, furnace wall and furnace bottom
Work, reduces working efficiency to a certain extent, while the formwork for placing needs to spread out by triangle frame and full framing is fixed,
The working space in furnace is not only reduced, input cost is also increased, is unfavorable for being used for a long time.
Summary of the invention
1, it to solve the problems, such as
Constructing for existing furnace body castable, the existing duration is of long duration, working space is small, and then ineffective asks
Topic, the present invention provide a kind of furnace body castable rapid constructing method.The original refractory lining of furnace body is using mechanical in the present invention
Change dismounting mode, the casting of furnace roof and furnace wall can construct simultaneously with furnace bottom, furnace ribbed tube, so as to shorten the casting duration,
It improves work efficiency, while component used in furnace roof cast template and furnace wall cast template can recycle repetition benefit mostly
With to reduce input cost.
2, technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of furnace body castable rapid constructing method, the construction method are specific as follows:
The original refractory lining of furnace body is removed in S1, mechanization；
S2, furnace wall heat insulation layer and refractory brick are built, installs furnace wall cast template, by conveying equipment, by castable from stirring
It mixes and is a little delivered at operation, after casting complete, health, remove the furnace wall cast template；
S3, the furnace roof cast template is installed, castable is delivered to operation place, casting complete, health knot from stir spot
Shu Hou removes the furnace roof cast template；
S4, the hole that the cast template leaves in furnace roof and furnace wall is blocked, specifically: described hole is located at
When furnace roof, tapetum fibrosum is placed in the center inside described hole, and both ends filling is closely knit moldable, while in the top of described hole
Cover clay brick；When described hole is located at furnace wall, closely knit moldable, remaining part is filled close to the inside of furnace wall side in described hole
Divide and is filled by tapetum fibrosum.
Further, before building furnace wall heat insulation layer and refractory brick in the step S2, further includes: weld nut A
On furnace wall steel plate, while screw rod being installed.
Further, the outer end of the screw rod is equipped with casing, convenient for the dismounting of the screw rod.
Further, described sleeve pipe height is specific as follows:
When described sleeve pipe is located at furnace roof, the height of described sleeve pipe is not less than heating-furnace top casting feeding height, while
Not higher than heating-furnace heights of roofs；
When described sleeve pipe is located at furnace wall, the length of described sleeve pipe is less than the length of screw rod, range are as follows: 50mm~80mm.
It further, include anchored brick inside the furnace roof and furnace wall, the anchored brick is mounted on the side of screw rod,
The both ends of the screw rod are mounted on butterfly button A simultaneously.
Further, the furnace wall cast template in the step S2 includes flitch and steel pipe, the side peace of the flitch
Steel loading pipe, the other side are equipped with template, wherein the template is parallel and is close to flitch.
Further, the furnace roof cast template in the S3 includes template, expansion joint plate and hanging beam, the hanging beam peace
Mounted in the upper end of anchored brick, the middle-end of the anchored brick installs expansion joint plate, lower end installation template.
Further, before the tapetum fibrosum use in the step S4, further includes: the tapetum fibrosum and high temperature clay into
Row mixing.
3, beneficial effect
Compared with the prior art, the invention has the benefit that
(1) furnace body castable rapid constructing method of the invention first uses mechanized equipment to remove the original refractory material of furnace body
Liner installs furnace wall cast template after completing furnace wall heat insulation layer and fire resisting brick masonry, and castable is delivered to work from stir spot
At industry, furnace wall casting and constructing is completed, furnace roof cast template will will be installed later later and be poured, it finally will be in furnace roof and furnace wall
The hole left is blocked, and wherein the casting of furnace roof and furnace wall can be to furnace bottom, furnace ribbed tube building construction, so as to shorten applying
It the work duration, improves work efficiency, while furnace roof cast template and furnace wall cast template can recycle and reuse, to drop
Low input cost；
(2) furnace roof of the invention and furnace wall cast template carry out stress transmitting by screw rod, and structure is simple, operation is simple
Just, reliable and stable, to reduce the workpiece of inside heating furnace, expand the working space of inside heating furnace；
(3) furnace roof cast template of the invention includes expansion joint plate, is fixed using the binding clasp being fastened on hanging beam, from
And the casting that no longer needs to be staggered during furnace roof can be made to be poured, and then with being implemented as chip continuous casting, improve casting
Construction efficiency；
(4) furnace roof cast template of the invention includes screw rod, template, steel pipe A and steel pipe B etc., and wherein steel pipe A is arranged in butterfly
The upper end of butterfly button, and be fixed by butterfly button, and the upper end of hanging beam is arranged in steel pipe B, is connected by screw rod, structure letter
Single, pattern is lightly and secured, so that in casting and constructing, cast template is not susceptible to deform, and then is poured slurry and not easily runs off,
It can also guarantee the compactness and globality and the straightness of furnace roof lower surface of heating furnace furnace roof simultaneously；
(5) furnace wall cast template of the invention include include screw rod, template, steel pipe steel plate and flitch etc., wherein furnace wall steel
Nut A is installed as stress point on plate, screw rod, steel pipe, flitch buckle A, nut B connection by butterfly, enhance template, steel pipe
Connection between flitch three, to enhance the connection between each component, and then in the mistake of heating furnace furnace wall casting and constructing
Casting quality is improved in journey；
(6) screw rod outer end of the invention is equipped with casing, and when casing is located at furnace roof, and casing height is not less than heating furnace
Furnace roof castable height, but it is also not higher than heating-furnace heights of roofs, when casing is located at furnace wall, the length of casing is less than screw rod
Length, specific range are as follows: 50mm~80mm, this is to be able to after facilitating later period castable casting complete, the dismounting energy of screw rod
It is enough more convenient, to realize that the recycling of screw rod reuses again, reduce input cost；
(7) tapetum fibrosum of the invention needs to be sufficiently mixed with high temperature clay during use, this be in order to
The leakproofness of tapetum fibrosum itself can further be optimized, to guarantee that the hole in heating furnace in furnace roof and furnace wall was blocking
Compactness in journey；
(8) present invention is in furnace wall and furnace roof casting and constructing, can be resistance to furnace bottom and furnace ribbed tube simultaneously due to spacious in furnace
Fiery material liner, which carries out building construction, reduces construction cost to substantially reduce total time of construction.
Detailed description of the invention
Fig. 1 is flow diagram of the invention；
Fig. 2 is furnace roof cast template structural schematic diagram of the invention；
Fig. 3 is furnace wall cast template structural schematic diagram of the invention.
In figure: 1, screw rod；2, butterfly button A；3, nut A；4, nut B；5, anchored brick；6, butterfly button B；7, steel pipe A；8, steel
Pipe B；9, castable；10, template；11, heat insulation layer；12, furnace wall steel plate；13, anchoring hook A；14, binding clasp；15, expansion joint plate；
16, flitch；17, hanging beam；18, refractory brick；19, anchoring hook B.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.Wherein, described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Therefore, below to the embodiment of the present invention provided in the accompanying drawings
Detailed description be not intended to limit the range of claimed invention, but be merely representative of selected embodiment of the invention.
It should be noted that in the description of the present invention, term " on ", "front", "rear", "left", "right", " is erected at "lower"
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, is not that the device of indication or suggestion meaning or element must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Embodiment 1
With reference to Fig. 1, a kind of furnace body castable rapid constructing method is present embodiments provided, wherein construction method is specifically such as
Under:
Step S1: it removes the original refractory lining of furnace interior: being entered in the furnace body of heating furnace by large excavator
Portion carries out destructive dismounting to original refractory lining.I.e. installation personnel is first by muscle Guan Quan in furnace top equipment and steel construction, furnace
Portion is removed, so that the furnace interior of heating furnace forms open working space, then excavator is hung in heating furnace
Furnace interior carries out destructive dismounting, while the material removed is both needed to transport to regardless of whether can recycle and reuse
Outside the furnace body of heating furnace, and then classification processing.
Step S2, furnace wall heat insulation layer and refractory brick are built, furnace wall cast template is installed, by conveying equipment, by castable
It is delivered to operation place from stir spot, after casting complete, health, removes the furnace wall cast template:, will by conveying equipment
Castable is delivered to operation place from stir spot, wherein the pipeline of conveying equipment move towards direction and stove to move towards direction identical, together
When conveying equipment using electric power as power source.Castable is conveyed by using mechanization, can more efficiently, quickly be completed
The casting task of furnace body castable, while can also significantly shorten the construction period, labor is reduced, and in pipeline
In the process, the loss of slurry in castable can also be reduced, casting quality is improved.
With reference to Fig. 3, in the present embodiment, in particular, furnace wall cast template are as follows:
Furnace wall cast template is mainly used in the furnace wall casting of heating furnace.Screw rod 1 is mounted on is welded on furnace wall steel plate in advance
In nut on 12, anchored brick 5 is connect by anchoring hook B19 with furnace wall steel plate 12, in the present embodiment, in particular, leaning on furnace
Wall steel plate 12, which is successively built, heat insulation layer 11 and refractory brick 18, and fills closely knit castable between the refractory brick 18 and template 10
9.It is also equipped with flitch 16 in the outside of template 10 simultaneously, for enhancing the intensity and rigidity of template 10, is further said, wood
Side 16, steel pipe A7, butterfly buckle that A2 and nut B4 is close, is reliably connected.
In order to guarantee that screw rod 1 in fixed furnace wall cast template, will not be lost easily, the diameter of screw rod 1 has certain
Value range, wherein value range are as follows: 10mm~16mm, in the present embodiment, in particular, the diameter of screw rod 1 is selected as
14mm so that screw rod 1 can not only recycle and reuse during use, while will not hinder the normal casting of template
Work.And the physical length of screw rod 1 is specifically adjusted according to the size of drawing size.
The nut A3 and nut B4 for matching with it and using are additionally provided at the both ends of screw rod 1, this is to guarantee screw rod 1
It cooperates between stability in use, only spiral shell A3 and screw rod 1 close, screw rod 1 can keep relatively steady
It is fixed.It further says, in the present embodiment, is fixedly connected between nut A3 and furnace wall steel plate 12, that is to say, that nut A3
It is welded on furnace wall steel plate 12, and mating corresponding screw rod 1 is installed, thus the nut A3 being welded on furnace wall steel plate 12
It can be used as the anchor point and stress point of furnace wall cast template.
In order to guarantee that the stability and fastness of furnace wall cast template entirety, nut A3 and the number of screw rod 1 is incessantly
One, while being located at there is also have certain spacing, pitch range between the two neighboring nut A3 of side are as follows:
450mm~550mm, in the present embodiment, in particular, the number of screw rod 1 is 2000, match the nut A3 used with it
Number be 6000, and be located at between the two neighboring spiral shell A3 of side spacing select 545mm, to can not only guarantee
Work between two neighboring matched nut A3 and screw rod 1 will not mutually be affected, and can also realize that this furnace wall pours
The long-term normal use of injection molded plate.
In the present embodiment, in particular, main fixed device as furnace wall cast template, wherein nut and furnace wall steel
The recyclable recycling of pipe 12, and a quarter of total amount of material deficiency conventional support system, at the same the loss of material and
The expense used is all relatively low.
After facilitating later period castable casting complete, the dismounting of screw rod 1 can be more convenient, in the outer of screw rod 1
End is equipped with casing, while the length of casing is less than the length of screw rod 1, range therein are as follows: 50mm~80mm, in the present embodiment
In, in particular, the length of casing is 55mm smaller than the length of screw rod 1, thus the one end and 16 phase of flitch of casing close to flitch 16
It cuts, or directly runs through flitch 16, while in order to guarantee that casing can be removed convenient for screw rod 1, do not hinder furnace wall steel pipe 12 also
With the connection between butterfly button 2, thus this furnace wall cast template structure novel, succinct, while being also easy to operate, and put at
This is low, and manpower consumption is relatively fewer.
Step S3: installing the furnace roof cast template, castable is delivered to operation place from stir spot, casting complete is supported
After life, the furnace roof cast template is removed.
With reference to Fig. 2, in the present embodiment, in particular, furnace roof cast template are as follows:
Furnace roof cast template is mainly used in the furnace roof casting of heating furnace, has in the furnace roof fire resisting material liner of heating furnace
There are anchored brick 5 and castable 9, is hung by anchoring hook B19 in the lower section of hanging beam 17 in the upper end of anchored brick 5, pass through utilization
Hanging beam 17 can avoid redesigning, make furnace roof cast template as the support construction in furnace roof cast template hangar system
Support construction in hangar system, so as to avoid redesigning, make and install support system.
According to heating furnace furnace roof construction drawing and the lower surface absolute altitude of anchored brick 5, furnace roof cast template can be positioned
Highly, wherein the gap between the upper surface and anchored brick 5 of furnace roof cast template adjusted are as follows: 2mm~5mm, in this implementation
In example, in particular, since the error of anchored brick length dimension is in 1mm or so, therefore the upper table of furnace roof cast template adjusted
Interval selecting 3mm between face and anchored brick 5, meanwhile, screw rod 1 is mounted in furnace roof cast template, in particular, in this implementation
In example, be mounted on screw rod 1 between each two adjacent anchored bricks 5, and every two screw rod 1 in a longitudinal direction there are
Away from the spacing is generally the distance between 2 column anchored bricks 5, while the both ends of screw rod 1 have also been respectively mounted butterfly button A2 and butterfly button
Screw rod 1 is fixed B6, while the outer end of screw rod 1 is equipped with casing, so that the loosening of screw rod 1 on the one hand can be prevented, separately
On the one hand the later period for facilitating screw rod 1 removes.
Stressed member of the steel pipe as support construction in heating furnace furnace roof hangar system, frame is in the upper end of hanging beam 17, specifically
Ground says that in the present embodiment, steel pipe is divided into two kinds, is respectively as follows: steel pipe A7 and steel pipe B8, and wherein steel pipe A7, which is arranged, buckles 2 in butterfly
Upper end, and each butterfly button 2 fixes two steel pipe A7, and steel pipe B8 is arranged in the upper end of hanging beam 17, at the same steel pipe A7 and
Both steel pipe B8 are opposite to intersect, and can also be arranged in parallel, which adds screw rod 1 by using butterfly button 2, steel pipe
Supporting construction, in castable casting, cast template is not susceptible to deform, while being poured slurry and being not susceptible to be lost, and also
It can guarantee the compactness and globality and the straightness of furnace roof lower surface of heating furnace furnace roof.
In a kind of furnace roof cast template provided in this embodiment, template 10, screw rod 1, nut, steel pipe are recyclable to be repeated
It utilizes, while the total weight of material is less than a quarter of conventional mould supporting construction, and the loss of material and uses
Expense is universal lower.
According to drawing requirement, it is provided with expansion joint plate 15 in the centre of anchored brick 5, is mounted with to clamp in the upper end of expansion joint plate 15
Device 14, in the present embodiment, in particular, binding clasp 14 selects steel plate materials, while wherein binding clasp 14 is mainly used for fixing
By the fixed expansion joint plate 15 of the hangar system of furnace roof cast template the continuous casting of cast template may be implemented, also in expansion joint plate 15
Quality can be improved, in the present embodiment, in particular, expansion joint plate 15 is fixed by binding clasp 14, furnace roof can be made
Casting no longer needs the casting that is staggered, and so as to being implemented as chip continuous casting, and then improves the casting efficiency of cast template.
Step S4: the hole of inside heating furnace is mostly the construction hole generated in work progress, wherein hole of constructing
Must be blocked, if block it is not tight, phenomena such as it is excessive that a furnace gas will be had after heating furnace production, cause runout, serious prestige
Coerce furnace external equipment and personal safety.Wherein, since hole the position in portion and is not fixed in heating furnace, thus the closure side of hole
Formula is also different, detailed process are as follows:
When hole is located in heating furnace furnace roof, since the shape and size of heating furnace furnace roof inside aperture be not unique,
It may be cylindrical body, it is also possible to be cuboid, in some instances it may even be possible to be irregular circle, thus the shape that hole herein needs to block
Shape is not also just unique, in the present embodiment, in particular, the shape and size of heating furnace furnace roof inside aperture are a kind of rule
Cylindrical body, that is to say, that in the present embodiment, the void shape for needing to block is a kind of cylindrical body of rule.
In the present embodiment, in particular, hole upper ends clay brick, wherein clay brick and need the hole that blocks
The T-shaped structure distribution in hole, this is to guarantee the contact position in clay brick and hole, and the sectional area of clay brick cannot be less than hole
The sectional area in hole, and then can further guarantee the compactness of heating furnace holes blocking.
Further say, placed in the inner upper end of hole and lower end it is moldable, this it is moldable for screening after it is thin
Grain is moldable, this be for the ease of filling construction, " moldable " one kind for amorphous refractory herein, by 70%~
80% granular material and granular material add the bonding agents such as 10%~25% fat clay and appropriate plasticizer to be formulated
Refractory material, wherein the material full name be plastic ramming mass, may be simply referred to as " moldable " or " ramming mass ".Simultaneously in hole
Internal middle-end is also placed with the processed tapetum fibrosum of high temperature clay, which uses high-purity high aluminum fiber blanket, this is because high
Pure high aluminum fiber blanket with respect to general fibre blanket for, stronger insulation effect can be reached, in the present embodiment, in particular,
Wherein tapetum fibrosum is the 1/2~3/4 of the inside entire length that the length of the inside middle-end of hole is hole, and tapetum fibrosum is in hole herein
The length of the inside middle-end in hole is the 13/20 of the inside entire length of hole, this is moldable between tapetum fibrosum in order to guarantee
Tight fit can obtain maximum embodiment.
When hole is located at heating-furnace within the walls, since the shape and size of heating-furnace hole within the walls be not unique,
It may be cylindrical body, it is also possible to be cuboid, in some instances it may even be possible to be irregular circle, thus the shape that hole herein needs to block
Shape is not also just unique, in the present embodiment, in particular, the shape and size of heating-furnace hole within the walls are a kind of rule
Cylindrical body, that is to say, that in the present embodiment, the void shape for needing to block is a kind of cuboid of rule.
In the present embodiment, in particular, one end placement in hole close to burner hearth side is moldable, this is moldable for screening
Particulate afterwards is moldable, this is constructed for the ease of filling, " moldable " one kind for amorphous refractory herein, by
70%~80% granular material and granular material add the bonding agents such as 10%~25% fat clay and appropriate plasticizer to match
Refractory material made of system, wherein the material full name is plastic ramming mass, may be simply referred to as " moldable " or " ramming mass ".
Close to the processed tapetum fibrosum of furnace wall steel plate side filled high-temperature clay, which uses high-purity high aluminum fiber
Blanket, this is because high-purity high aluminum fiber blanket with respect to general fibre blanket for, stronger insulation effect can be reached, wherein tapetum fibrosum
Length inside hole is the 1/2~3/4 of the inside entire length of hole, and length of the tapetum fibrosum inside hole is hole herein
The 7/10 of the inside entire length in hole, that is to say, that the 3/10 of the inside entire length of hole is filled by moldable, in this way
It is not only easy to the interior construction of heating furnace, while the closure of inside heating furnace hole also more easily operates, and then reduces work
Make the duration, improves work efficiency.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (8)
1. a kind of furnace body castable rapid constructing method, which is characterized in that the construction method is specific as follows:
The original refractory lining of furnace body is removed in S1, mechanization；
S2, furnace wall heat insulation layer and refractory brick are built, installs furnace wall cast template, by conveying equipment, by castable from stir spot
It is delivered at operation, after casting complete, health, removes the furnace wall cast template；
S3, the furnace roof cast template is installed, castable is delivered to operation place from stir spot, after casting complete, health,
Remove the furnace roof cast template；
S4, the hole that the cast template leaves in furnace roof and furnace wall is blocked, specifically: described hole is located at furnace roof
When, tapetum fibrosum is placed in the center inside described hole, and both ends filling is closely knit moldable, while being covered in the top of described hole
Clay brick；When described hole is located at furnace wall, closely knit moldable in inside filling of the described hole close to furnace wall side, rest part is equal
It is filled by tapetum fibrosum.
2. a kind of furnace body castable rapid constructing method according to claim 1, which is characterized in that built in the step S2
Before brickwork wall heat insulation layer and refractory brick, further includes: nut A (3) is welded on furnace wall steel plate (12), while screw rod being installed
(1)。
3. a kind of furnace body castable rapid constructing method according to claim 2, which is characterized in that the screw rod (1)
Outer end is equipped with casing, is convenient for the dismounting of the screw rod (1).
4. a kind of furnace body castable rapid constructing method according to claim 3, which is characterized in that described sleeve pipe height tool
Body is as follows:
When described sleeve pipe is located at furnace roof, the height of described sleeve pipe is not less than heating-furnace top casting material feeding (9) height, while also not
Higher than heating-furnace heights of roofs；
When described sleeve pipe is located at furnace wall, the length of described sleeve pipe is less than the length of screw rod (1), range are as follows: 50mm~80mm.
5. a kind of furnace body castable rapid constructing method according to claim 1 or 2 or 3 or 4, which is characterized in that described
It include anchored brick (5) that the anchored brick (5) is mounted on the side of screw rod (1), while the screw rod inside furnace roof and furnace wall
(1) both ends are mounted on butterfly button A (2).
6. a kind of furnace body castable rapid constructing method according to claim 5, which is characterized in that in the step S2
Furnace wall cast template includes flitch (16) and steel pipe, and steel pipe is installed in the side of the flitch (16), and the other side is equipped with template
(10), wherein the template (8) is parallel and be close to flitch (16).
7. a kind of furnace body castable rapid constructing method according to claim 6, which is characterized in that the furnace roof in the S3
Cast template includes template (10), expansion joint plate (15) and hanging beam (17), and the hanging beam (17) is mounted on the upper of anchored brick (5)
The middle-end at end, the anchored brick (5) installs expansion joint plate (15), lower end installation template (10).
8. a kind of furnace body castable rapid constructing method according to claim 7, which is characterized in that in the step S4
Tapetum fibrosum use before, further includes: the tapetum fibrosum is mixed with high temperature clay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569522.8A CN109506469A (en) | 2018-12-20 | 2018-12-20 | A kind of furnace body castable rapid constructing method |
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| CN110373507A (en) * | 2019-08-22 | 2019-10-25 | 北京瑞尔非金属材料有限公司 | A kind of method that blast furnace crucibe side wall brick fuel liner body inside forms casting liner body |
| CN110369666A (en) * | 2019-07-25 | 2019-10-25 | 中机第一设计研究院有限公司 | A kind of forge furnace and its construction method |
| CN110779335A (en) * | 2019-10-26 | 2020-02-11 | 上海二十冶建设有限公司 | Integrated mounting method for prefabricated furnace top of rotary hearth furnace |
| CN110918967A (en) * | 2019-12-13 | 2020-03-27 | 安徽马钢工程技术集团有限公司 | Repairing method for inner liner of torpedo hot metal mixer car |
| CN111336815A (en) * | 2020-04-01 | 2020-06-26 | 海城市国田矿业有限公司 | Integral prefabricating method for working layer of reburning kiln |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110369666A (en) * | 2019-07-25 | 2019-10-25 | 中机第一设计研究院有限公司 | A kind of forge furnace and its construction method |
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| CN110779335A (en) * | 2019-10-26 | 2020-02-11 | 上海二十冶建设有限公司 | Integrated mounting method for prefabricated furnace top of rotary hearth furnace |
| CN110918967A (en) * | 2019-12-13 | 2020-03-27 | 安徽马钢工程技术集团有限公司 | Repairing method for inner liner of torpedo hot metal mixer car |
| CN111336815A (en) * | 2020-04-01 | 2020-06-26 | 海城市国田矿业有限公司 | Integral prefabricating method for working layer of reburning kiln |
| CN111336815B (en) * | 2020-04-01 | 2021-09-28 | 海城市国田矿业有限公司 | Integral prefabricating method for working layer of reburning kiln |
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Application publication date: 20190322 |