CN102935659A - Method for fabricating refractory material prefabricated member expansion joint - Google Patents
Method for fabricating refractory material prefabricated member expansion joint Download PDFInfo
- Publication number
- CN102935659A CN102935659A CN2012104421157A CN201210442115A CN102935659A CN 102935659 A CN102935659 A CN 102935659A CN 2012104421157 A CN2012104421157 A CN 2012104421157A CN 201210442115 A CN201210442115 A CN 201210442115A CN 102935659 A CN102935659 A CN 102935659A
- Authority
- CN
- China
- Prior art keywords
- prefabricated member
- buffer layer
- refractory material
- hardware
- expansion joint
- Prior art date
- 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.)
- Pending
Links
Images
Abstract
The invention relates to a method for fabricating a refractory material prefabricated member expansion joint. The method includes the following steps that at normal temperature, a grouting agent and 'Christmas sprayed snow' are sequentially and uniformly sprayed on outer surfaces of a metal structural part and an anchoring part of a prefabricated member to form a buffer layer, and then still standing is performed; the metal structural part with a solid buffer layer is fixedly placed in a mold, and stirred pug of refractory castable is poured in the mold; and a solidified fire-resistant prefabricated member is subjected to normal temperature life-preserving to enter into a drying process of 300 DEG C to 400 DEG C, a part of the buffer layer on the outer surfaces of the metal structural part and the anchoring part is decomposed into gas to be discharged, the rest part of the buffer layer is melted, and the melted buffer layer permeates into the refractory material through pores of the refractory castable to form the expansion joint. The method for fabricating the refractory material prefabricated member expansion joint has the advantages that the method is suitable for various metal structural parts with complicated surfaces, and the problem that expansion cracks occur when prior fire-resistant prefabricated members are dried and used is solved.
Description
Technical field
The present invention relates to fire resisting material field, relate in particular to a kind of fireproofing prefabricated member dilatation joint preparation method.
Background technology
Fireproofing prefabricated member is a class refractory material of commonly using, and has construction and changes characteristics convenient, energy-conservation, that the thermal shock resistance energy is good.And general big-and-middle-sized prefabricated component all is provided with steel construction piece (minute ordinary steel, heat resisting steel etc.) owing to reasons such as bulk strengths in the middle of refractory material, and the shape of steel construction piece and quantity will be decided according to the profile of prefabricated component.
Fireproofing prefabricated member after the health through the demoulding and necessity, also will pass through 350-400 ℃ high temperature drying operation after cast vibration moulding.And well-knownly be, in this temperature range, and during higher serviceability temperature more than 900 ℃, the thermal coefficient of expansion of steel and the thermal coefficient of expansion of refractory material far from.Take Q235-B matter steel tubing commonly used as example, its thermal coefficient of expansion is 1.2 * 10-5/ ℃, is 2.4 times of thermal coefficient of expansion 0.5 * 10-5/ ℃ in refractory material (take common corundum castable as example).1 meter long 40# steel 300 ° of C variations in temperature under the length variations amount that produces unexpectedly reach 3.6mm.
In the actual production, because steel construction piece and refractory material thermal expansion coefficient difference, cause dry and use steel construction with the good multiple cracks of refractory material spreading, have a strong impact on the use of prefabricated component, even the formation waste product.
Just because of this, when preform production in the past, often will be coated in steel structure surface behind the asphalt melting, or brown paper is entangled in the steel construction piece outer surface.Purpose is to utilize pitch and brown paper after 200 ℃, melts or after-flame, leaves the gap space of vacating for steel construction large expansion, plays the effect of buffering.But, because large scale prefabricated steel construction piece profile is often very complicated, the outer surface irregularity, and also have a large amount of steel anchoring pieces that gather, be difficult to brown paper is entangled in the steel construction piece outer surface securely, and pitching needs in advance heating, both bothered also dangerously, effect is bad.
Summary of the invention
For overcoming the deficiencies in the prior art, the purpose of this invention is to provide a kind of fireproofing prefabricated member dilatation joint preparation method, stop fireproofing prefabricated member the expansion crack waste product when high temperature drying and use, to occur.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of fireproofing prefabricated member dilatation joint preparation method, the method comprises the steps:
1) under the normal temperature, evenly spray cementing agent at hardware and the anchoring piece outer surface of prefabricated component, again spraying " snow spray on Christmas " forms the cushion of 1.5-3.0mm, then leaves standstill 15-30 minute;
2) will form the hardware of solid state buffer layer, in the mould of packing into, and fix, the pug of the castable refractory that stirs will be poured in the mould;
3) fire-resistant prefabricated member after solidifying, after through the normal temperature health, enter 300-400 ℃ drying process, at this moment, the cushion of hardware and anchoring piece outer surface, a part is broken down into gas and discharges, remainder is melted, by the pore of castable refractory, penetrate in the refractory material, form dilatation joint.
Described " snow spray on Christmas " main component is the macromolecule resin compound.
Compared with prior art, the invention has the beneficial effects as follows:
The hardware that is applicable to various surface condition complexity is surperficial, has effectively eliminated when the fire-resistant prefabricated member drying is with use in the past expansion crack to occur, has greatly reduced seminess and the percent defective of big-and-middle-sized fire-resistant prefabricated member.Easy to operate simple, economical and efficient, safety.
Description of drawings
Fig. 1 is principle schematic of the present invention.
Among the figure: 1-hardware 2-cushion 3-castable refractory 4-anchoring piece.
The specific embodiment
A kind of fireproofing prefabricated member dilatation joint preparation method is seen Fig. 1, and the method comprises the steps:
1) under the normal temperature, evenly spray cementing agent at hardware and the anchoring piece outer surface of prefabricated component, again spraying " snow spray on Christmas " forms the cushion of 1.5-3.0mm, then leaves standstill 15-30 minute;
2) will form the hardware of solid state buffer layer, in the mould of packing into, and fix, the pug of the castable refractory that stirs will be poured in the mould;
3) fire-resistant prefabricated member after solidifying, after through the normal temperature health, enter 300-400 ℃ drying process, at this moment, the cushion of hardware and anchoring piece outer surface, a part is broken down into gas and discharges, remainder is melted, by the pore of castable refractory, penetrate in the refractory material, form dilatation joint.
Described " snow spray on Christmas " main component is the macromolecule resin compound.
The below illustrates with specific embodiment:
First 3M Super 77 glue spraying tanks are shaken up, evenly spray this cementing agent at hardware 1 and anchoring piece 4 outer surfaces.Then " snow spray on Christmas " also shaken up, continue evenly to spray to hardware 1 and anchoring piece 4 outer surfaces, thickness is 1.5-3.0mm, adjusts recently by changing distance between spray cans and the metalwork that (needs are thick, more nearby; Need thin, just far away).Then left standstill 15-30 minute, making hardware 1 and anchoring piece 4 outer surfaces form a layer thickness is the solid state buffer layer 2 of 1.5-3.0mm, and possesses some strength.With forming the hardware of solid state buffer layer 2, pack into and produce in the mould of prefabricated component, and fix.Then vibrations on one side, on one side with the pug of the castable refractory 3 that stirs, moulding by casting is in mould, and the solid state buffer layer 2 of 1.5-3.0mm is separated hardware 1 and anchoring piece 4 with the pug of castable refractory 3.Fire-resistant prefabricated member after solidifying, after through the normal temperature health, when entering 300-400 ℃ drying process, at this moment, the cushion 2 of hardware 1 and anchoring piece 4 outer surfaces, a part is broken down into gas, discharge, remainder is melted, and the pore by castable refractory penetrates in the refractory material.Described Christmas, snow spray was a kind of toy in red-letter day that can spray silk ribbon and foam as the snowflake, and the snowflake main component of ejection is the macromolecule resin compound.
Vacated the original thickness space as buffering, expanded occupied for steel construction piece and refractory material.Like this, the overwhelming majority expands and to be cushioned, elimination fireproofing prefabricated member was dry and occur the phenomenon of crackle waste product when using in the past.
The present invention is applicable to the hardware surface of various surface condition complexity, has effectively eliminated when the fire-resistant prefabricated member drying is with use in the past expansion crack to occur, has greatly reduced seminess and the percent defective of big-and-middle-sized fire-resistant prefabricated member.Easy to operate simple, economical and efficient, safety.
Above embodiment limits the present invention never in any form, and every other improving and applying that above embodiment is made in the equivalent transformation mode all belongs to protection scope of the present invention.
Claims (2)
1. a fireproofing prefabricated member dilatation joint preparation method is characterized in that the method comprises the steps:
1) under the normal temperature, evenly spray cementing agent at hardware and the anchoring piece outer surface of prefabricated component, again spraying " snow spray on Christmas " forms the cushion of 1.5-3.0mm, then leaves standstill 15-30 minute;
2) will form the hardware of solid state buffer layer, in the mould of packing into, and fix, the pug of the castable refractory that stirs will be poured in the mould;
3) fire-resistant prefabricated member after solidifying, after through the normal temperature health, enter 300-400 ℃ drying process, at this moment, the cushion of hardware and anchoring piece outer surface, a part is broken down into gas and discharges, remainder is melted, by the pore of castable refractory, penetrate in the refractory material, form dilatation joint.
2. a kind of fireproofing prefabricated member dilatation joint preparation method according to claim 1 is characterized in that, in the step 1), described " snow spray on Christmas " main component is the macromolecule resin compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104421157A CN102935659A (en) | 2012-11-08 | 2012-11-08 | Method for fabricating refractory material prefabricated member expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104421157A CN102935659A (en) | 2012-11-08 | 2012-11-08 | Method for fabricating refractory material prefabricated member expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102935659A true CN102935659A (en) | 2013-02-20 |
Family
ID=47694597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104421157A Pending CN102935659A (en) | 2012-11-08 | 2012-11-08 | Method for fabricating refractory material prefabricated member expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102935659A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107382330A (en) * | 2017-06-23 | 2017-11-24 | 鞍山市和丰耐火材料有限公司 | A kind of production application process for the high life CAS OB impregnating covers for strengthening globality |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5600930A (en) * | 1995-04-10 | 1997-02-11 | Drucker; Ernest R. | Construction system using lightweight fire-resistant panels |
| CN1493754A (en) * | 2002-10-30 | 2004-05-05 | 毅 赵 | Expansion fire proof covering type (rolling) material |
| CN101554749A (en) * | 2009-05-19 | 2009-10-14 | 鞍山市和丰耐火材料有限公司 | Production method for refractory precast block |
| CN102182272A (en) * | 2011-03-22 | 2011-09-14 | 杨东升 | Building board and manufacturing method thereof |
-
2012
- 2012-11-08 CN CN2012104421157A patent/CN102935659A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5600930A (en) * | 1995-04-10 | 1997-02-11 | Drucker; Ernest R. | Construction system using lightweight fire-resistant panels |
| CN1493754A (en) * | 2002-10-30 | 2004-05-05 | 毅 赵 | Expansion fire proof covering type (rolling) material |
| CN101554749A (en) * | 2009-05-19 | 2009-10-14 | 鞍山市和丰耐火材料有限公司 | Production method for refractory precast block |
| CN102182272A (en) * | 2011-03-22 | 2011-09-14 | 杨东升 | Building board and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107382330A (en) * | 2017-06-23 | 2017-11-24 | 鞍山市和丰耐火材料有限公司 | A kind of production application process for the high life CAS OB impregnating covers for strengthening globality |
| CN107382330B (en) * | 2017-06-23 | 2020-09-08 | 鞍山市和丰耐火材料有限公司 | Production and use method of long-life CAS-OB impregnation cover with integrity enhanced |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9500282B2 (en) | Cylinder liner and preparation method thereof | |
| CN104311045B (en) | Tundish light paint of a kind of resin-bonded and preparation method thereof | |
| CN103967162B (en) | Steel fibre plastic composition adapter, prefabricated sandwich heat preserving wall body and manufacture method | |
| CN103265722B (en) | A kind of A level fire-retardant heat-insulation material and production unit thereof and method | |
| CN203077453U (en) | Refractory material prefabricated member expansion joint | |
| CN105347826A (en) | Continuous casting nozzle inner wall coating | |
| CN102935659A (en) | Method for fabricating refractory material prefabricated member expansion joint | |
| CN104909671A (en) | Glass bead thermal mortar with high pressure resistance and production method thereof | |
| CN104909673A (en) | Terpene resin-coated modified glazed hollow bead thermal-insulation mortar and production method thereof | |
| CN209556167U (en) | A kind of heat preservation plaque external thermal insulation system | |
| CN106567467A (en) | Fireproof polystyrene board and preparation method of the same | |
| CN104961407A (en) | Phenolic resin coated modified vitrified microbead heat-insulating mortar and preparation method thereof | |
| US20140190647A1 (en) | Investment Casting Refractory Material | |
| CN102383501B (en) | Embedded type aerated concrete composite outer wall heat insulation board | |
| CN104909674A (en) | Acid-alkali-resistant glazed hollow bead thermal-insulation mortar and production method thereof | |
| CN204356984U (en) | A kind of load-bearing concrete porous heat insulation building block | |
| CN108756025A (en) | A kind of cast-in-place lightweight concrete skeleton assembling wall and its construction method | |
| CN101554749A (en) | Production method for refractory precast block | |
| CN107399976B (en) | Refractory material for centrifugal large-scale bar roll end cover and end cover manufacturing method | |
| CN106284216B (en) | Frost-resistant concrete dam | |
| CN102303433A (en) | Production method for multilayer composite flame-retardant fireproof heat insulation board and product | |
| CN106915948A (en) | Inorganic composite heat-preserving plate and preparation method thereof | |
| CN104909670A (en) | Light waterproof glass bead thermal insulation mortar and manufacturing method thereof | |
| CN104909668A (en) | Economical thermal-insulation flame-retardant thermal insulation glazed hollow bead mortar and preparation method thereof | |
| CN207110364U (en) | A kind of EPS cores coagulation soil composite decorative thread |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130220 |