CN106440815B - Heating furnace furnace wall pours mold method - Google Patents

Heating furnace furnace wall pours mold method Download PDF

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Publication number
CN106440815B
CN106440815B CN201610895965.0A CN201610895965A CN106440815B CN 106440815 B CN106440815 B CN 106440815B CN 201610895965 A CN201610895965 A CN 201610895965A CN 106440815 B CN106440815 B CN 106440815B
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CN
China
Prior art keywords
template
screw rod
furnace
nut
bar
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Expired - Fee Related
Application number
CN201610895965.0A
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Chinese (zh)
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CN106440815A (en
Inventor
陈向华
周仕才
彭将国
吴荣善
鲁晓欣
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Pangang Group Engineering Technology Co Ltd
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Pangang Group Engineering Technology Co Ltd
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Priority to CN201610895965.0A priority Critical patent/CN106440815B/en
Publication of CN106440815A publication Critical patent/CN106440815A/en
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Publication of CN106440815B publication Critical patent/CN106440815B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00Casings; Linings; Walls; Roofs
    • F27D1/16Making or repairing linings increasing the durability of linings or breaking away linings
    • F27D1/1626Making linings by compacting a refractory mass in the space defined by a backing mould or pattern and the furnace wall

Abstract

The present invention relates to the resistance to material technical field of construction of heating furnace, discloses a kind of heating furnace furnace wall and pour mold method.It mainly in turn includes the following steps: end nut in a, unwrapping wire and welding, c, b, installation screw rod and casing install dilatation joint and template;D, it demoulds.Heating furnace furnace wall of the invention, which pours mold method, the facilities such as full hall scaffold is set up in burner hearth as stress support construction, template is fixed by screw rod and vertical and horizontal bar, shorten construction period, reduction construction cost, the purpose improved labor efficiency to reach.

Description

Heating furnace furnace wall pours mold method
Technical field
The present invention relates to the resistance to material technical field of construction of heating furnace, especially a kind of heating furnace furnace wall pours mold method.
Background technique
Heating furnace furnace wall is made of furnace shell, thermal insulation layer, flame retardant coating, anchored brick and burner.Thermal insulation layer is by asbestos board, light-weight brick Deng composition;Refractory layer is generally made of fire resisting pouring material;Burner and anchored brick are embedded in entire furnace wall, and anchored brick mainly plays drawing Gu the effect of furnace wall pouring material.When furnace wall pouring construction, then installation burner and anchored brick first builds thermal insulation layer, secondly into Row formwork is poured, is demoulded.
Currently, for the formwork in fire resisting pouring material pouring construction wooden model and punching block can be divided by template material, by template It is solid fixed that fixed form can be divided into the fixed and internal drawing of back-supported.From constructing operation, convenient, construction cost is considered and is added Hot stove furnace wall construction process requirement, the formwork that traditional heating furnace furnace wall pours are the fixed plank sheathing of back-supported.Tradition pours In construction method, farther out due to the symmetrical furnace wall spacing distance of heating furnace, and support stress point is suitable as without other in burner hearth Equipment, facility, therefore, generally taken in formwork set up in burner hearth full hall scaffold as stress support facility.The branch Mould method is time-consuming and laborious to take material, is not only unfavorable for constructing operation, but also is unfavorable for controlling construction speed and construction cost.From retrieval Document sees that application No. is the patent documents of CN201410425457.7, discloses a kind of heating furnace furnace wall pouring construction method, In to having carried out Improvement on the rapid construction of heating furnace furnace lining and one-piece casting, but its formwork way is still using taking If scaffold is as support stress facility, and one-piece casting method is improved for the method that dilatation joint is arranged.These Mold method and the method useless for changing back-supported and fixing, i.e., unavoidable that support is set up in burner hearth in pouring construction method Facility causes still without controlling duration and construction cost to greatest extent.
Summary of the invention
The heating furnace furnace wall that can substantially shorten the construction period technical problem to be solved by the invention is to provide one kind pours branch Mould method.
Heating furnace furnace wall disclosed by the invention pours mold method, in turn includes the following steps:
A, unwrapping wire and end nut in welding: after burner and anchored brick hook installation, according to design for fixed form Screw rod spacing marks screw position unwrapping wire on furnace shell, then according to mark by inner end nut-welding in furnace shell inner wall On;
B, screw rod and casing are installed: starting to build anchored brick and thermal insulation layer masonry after inner end nut-welding is complete, while inside Screw rod is installed, in the casing that screw jacket dress matches with screw diameter, casing inner end is tight against interior end nut on end nut;
C, dilatation joint and template are installed: after thermal insulation layer masonry, dilatation joint being laid with according to drawing requirement, dilatation joint is fixed on On casing, dilatation joint installs template after having installed make screw rod pass through template, and is vertically laid with vertical bar in template back surface, transversely It is laid with cross bar to connect vertical bar with template if being first laid with vertical bar, and cross bar is connected by bindiny mechanism with screw rod, if It is first laid with cross bar, then is connect cross bar with template, and vertical bar is connected by bindiny mechanism with screw rod;
D, demould: template has been fixed, and is poured after inspection is errorless, and condition can be demoulded by, which reaching after pouring material solidification, is taken off Mould removes the bindiny mechanism of screw rod and cross bar or vertical bar, then removes screw rod and template, finally with heat-resisting material by furnace wall On all casings fill up.
Preferably, the template uses plank sheathing;
In step c, after template is installed, the iron sheet for covering gap between template, iron sheet are laid between adjacent forms Through nail nail in template.
Preferably, the vertical bar uses flitch, and the cross bar uses frame pipe;
It in step c, is first laid with and is vertically laid with flitch, and flitch is connected with template with nail, then transversely spread If frame pipe, frame pipe is connected by bindiny mechanism with screw rod.
Preferably, the screw rod is double threaded screw, and the bindiny mechanism includes butterfly clamp and outer end nut;
In step c, every two framves Guan Weiyi group, two frame pipes when laying with group are installed respectively by butterfly clamp in screw rod Upper and lower two sides, and butterfly clamp is fastened by outer end nut.
Preferably, described sleeve pipe uses pvc pipe.
Preferably, the heat-resisting material uses fiber containing zirconium.
Preferably, the interior end nut is using lengthening nut.
Heating furnace furnace wall of the invention pour mold method need not be set up in burner hearth the facilities such as full hall scaffold be used as by Power support construction is fixed template by screw rod and vertical and horizontal bar, shortens the construction period to reach, reduces construction cost, The purpose improved labor efficiency.
Detailed description of the invention
Fig. 1 is furnace wall formwork schematic diagram of the invention.
Appended drawing reference: anchored brick hook 1, interior end nut 2, furnace shell 3, thermal insulation layer 4, anchored brick 5, plank sheathing 6, flitch 7, frame Pipe 8, butterfly clamp 9, outer end nut 10, pvc pipe 11, double threaded screw 12.
Specific embodiment
The present invention is further described below.
Heating furnace furnace wall disclosed by the invention pours mold method and needs to carry out early-stage preparations, early-stage preparations before implementation It works as follows: implementing confirmation mould material and thickness, vertical and horizontal bar material and specification, furnace wall pour thickness of feed layer;Plan every band to pour The height of building mould;According to template stress condition and the dilatation joint position of drawing requirement, calculate, between the vertical bar of the design template back side The length etc. of spacing, screw rod between spacing, screw rod.The spacing of template back surface vertical bar and the spacing of screw rod must assure that mould when pouring The impact of plate receiving pouring material and pressure are without swollen mould.It must be by components such as screw rod, templates according to requiring to process before construction.
The mold method in turn includes the following steps:
A, after 1 installation of burner and the hook of anchored brick 5, fixed form unwrapping wire and the interior end nut 2 of welding: is used for according to design Screw rod spacing, screw position unwrapping wire is marked on furnace shell 3, interior end nut 2 is then welded on by furnace shell 3 according to mark On inner wall, when welding, must be fully welded, it is ensured that welding quality, and interior end nut 2 is then preferably using nut is lengthened, to guarantee itself and spiral shell The stability of bar connection, such as the M12 nut using 50mm long may be selected;
B, install screw rod and casing: interior end nut 2 starts to build anchored brick 5 and 4 masonry of thermal insulation layer after having welded, while Screw rod is installed on interior end nut 2, in the casing that screw jacket dress matches with screw diameter, screw diameter is slightly less than in casing Diameter, casing inner end is tight against interior end nut 2, and pouring material overflow is on screw rod when preventing from pouring;
C, dilatation joint and template are installed: after 4 masonry of thermal insulation layer, dilatation joint being laid with according to drawing requirement, dilatation joint is fixed On casing, iron wire binding and fixing can be used, dilatation joint installs template after having installed make screw rod pass through template, and the outer end of casing is most It is good to pass through template also with screw rod, preferably screw rod to be isolated with pouring material, and it is vertically laid with vertical bar in template back surface, edge It is laterally laid with cross bar to connect vertical bar with template if being first laid with vertical bar, and cross bar is connected by bindiny mechanism with screw rod It connects, if being first laid with cross bar, cross bar is connect with template, and vertical bar is connected by bindiny mechanism with screw rod, cross bar and perpendicular Bar combines the ability that template bears internal pressure that can be improved;
D, demould: template has been fixed, and is poured after inspection is errorless, and condition can be demoulded by, which reaching after pouring material solidification, is taken off Mould removes the bindiny mechanism of screw rod and cross bar or vertical bar, then removes screw rod and template, finally with heat-resisting material by furnace wall On all casings fill up.
Template can be used steel form, aluminum alloy pattern plate, composite shuttering etc., and it is preferred that, the template uses wooden model Plate 6 will appear gap after plank sheathing 6 installs between template, pouring material is easily caused to leak, for this purpose, template is installed in step c Afterwards, the iron sheet for covering gap between template is laid between adjacent forms, iron sheet is followed closely in template by nail.
The effect of cross bar and vertical bar is firm template and improves its bearing capacity, and the materials such as steel pipe, batten can be used in vertical bar Material, and the vertical bar preferably uses flitch 7, the cross bar preferably uses frame pipe 8;In step c, first it is laid with and is vertically laid with flitch 7, and flitch 7 is connected with template with nail, it is then transversely laid with frame pipe 8, frame pipe 8 is passed through into bindiny mechanism and screw rod phase Connection.
It is poured in vivo because screw rod inner end is located at, therefore it can only be connect with furnace shell 3 by interior end nut 2 and could be convenient for tearing open It unloads, and the outer end of screw rod is then different, is located on the outside of template, therefore the connection of itself and cross bar can use more multimode, such as ties up Bundle, anchor ear etc., and it is preferred that, the screw rod is double threaded screw 12, and the bindiny mechanism includes butterfly clamp 9 and outer end Nut 10;In step c, every two frame pipes 8 are one group, when laying, with group two frame pipes 8 by butterfly clamp 9 install respectively in Two sides above and below screw rod, and butterfly clamp 9 is fastened by outer end nut 10.Screw rod outer end cooperates butterfly by outer end nut 10 9 fixed frame pipes 8 are pressed from both sides, are disassembled and installed all more convenient.
It reaches since template and screw rod will be solidified in pouring material and can just can be carried out disassembly after demoulding condition, it is therefore necessary to be arranged Casing enables it to disassemble in demoulding to protect screw rod, the selection of casing must assure that will not to furnace wall itself every Heat and stability impact, therefore it is pvc pipe 11 that casing is excellent, and its internal heat-resisting material clogged is preferably using fine containing zirconium Dimension.

Claims (5)

1. heating furnace furnace wall pours mold method, which is characterized in that in turn include the following steps:
A, after burner and anchored brick (5) hook (1) installation, stent unwrapping wire and the interior end nut (2) of welding: is used for according to design The screw rod spacing of plate marks screw position unwrapping wire on furnace shell (3), is then welded interior end nut (2) according to mark On furnace shell (3) inner wall;
B, install screw rod and casing: interior end nut (2) starts to build anchored brick (5) and thermal insulation layer (4) masonry after having welded, simultaneously Screw rod is installed on interior end nut (2), in the casing that screw jacket dress matches with screw diameter, casing inner end is tight against inner end spiral shell Female (2);
C, dilatation joint and template are installed: after thermal insulation layer (4) masonry, dilatation joint being laid with according to drawing requirement, dilatation joint is fixed on On casing, dilatation joint installs template after having installed make screw rod pass through template, and is vertically laid with vertical bar in template back surface, transversely It is laid with cross bar to connect vertical bar with template if being first laid with vertical bar, and cross bar is connected by bindiny mechanism with screw rod, if It is first laid with cross bar, then is connect cross bar with template, and vertical bar is connected by bindiny mechanism with screw rod;
D, demould: template has been fixed, and is poured after inspection is errorless, and condition can be demoulded by, which reaching after pouring material solidification, is demoulded, and is torn open Except the bindiny mechanism of screw rod and cross bar or vertical bar, screw rod and template are then removed, it finally will be on furnace wall with heat-resisting material All casings fill up;
The template uses plank sheathing (6);
In step c, after template is installed, the iron sheet for covering gap between template is laid between adjacent forms, iron sheet passes through Nail is followed closely in template;
The vertical bar uses flitch (7), and the cross bar uses frame pipe (8);
In step c, it is first laid with vertically laying flitch (7), and flitch (7) is connected with template with nail, then transversely It is laid with frame pipe (8), frame pipe (8) is connected by bindiny mechanism with screw rod.
2. heating furnace furnace wall as described in claim 1 pours mold method, it is characterised in that: the screw rod is double threaded screw (12), the bindiny mechanism includes butterfly clamp (9) and outer end nut (10);
In step c, every two frame pipes (8) are one group, when laying, and two frame pipes (8) with group are installed respectively by butterfly clamp (9) The two sides above and below screw rod, and butterfly clamp (9) is fastened by outer end nut (10).
3. heating furnace furnace wall as described in claim 1 pours mold method, it is characterised in that: described sleeve pipe uses pvc pipe (11)。
4. heating furnace furnace wall as described in claim 1 pours mold method, it is characterised in that: the heat-resisting material, which uses, to be contained Zirconium fiber.
5. heating furnace furnace wall as described in claim 1 pours mold method, it is characterised in that: the interior end nut (2) uses Lengthen nut.
CN201610895965.0A 2016-10-14 2016-10-14 Heating furnace furnace wall pours mold method Expired - Fee Related CN106440815B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN106440815B true CN106440815B (en) 2018-12-11

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109210943B (en) * 2017-06-30 2021-08-13 中国二十冶集团有限公司 Tooth-clamping type refractory material mounting clamp and using method thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870442A (en) * 1972-06-07 1975-03-11 Frank W Schaefer Apparatus for applying refractory covering to skid rail
DE2518254B1 (en) * 1975-04-24 1976-08-26 Eisenberger Klebsand Process for the production of a refractory lining for induction furnaces, in particular induction crucible furnaces
CN1278003C (en) * 2004-03-15 2006-10-04 中国第二十冶金建设公司 Formwork metthod for paired drawing walls of furnace in integral cast structural furnace
CN103234354B (en) * 2013-04-23 2016-08-03 安徽全柴天和机械有限公司 A kind of intermediate frequency furnace lining method for repairing and mending
CN104154756B (en) * 2014-08-26 2015-10-28 中国十九冶集团有限公司 Heating furnace furnace wall monolithic casting construction method
CN105135889A (en) * 2015-08-23 2015-12-09 安徽芜湖海螺建筑安装工程有限责任公司 Construction method for fireproof material of throat part of grate cooler

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