CN107140926A - A kind of gypsum base steel structure fireproof protection material - Google Patents
A kind of gypsum base steel structure fireproof protection material Download PDFInfo
- Publication number
- CN107140926A CN107140926A CN201710295867.8A CN201710295867A CN107140926A CN 107140926 A CN107140926 A CN 107140926A CN 201710295867 A CN201710295867 A CN 201710295867A CN 107140926 A CN107140926 A CN 107140926A
- Authority
- CN
- China
- Prior art keywords
- steel structure
- base steel
- gypsum base
- protection material
- structure fireproof
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/144—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00525—Coating or impregnation materials for metallic surfaces
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00577—Coating or impregnation materials applied by spraying
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The present invention provides a kind of gypsum base steel structure fireproof protection material, and flameproof protection material is mixed by mass percentage by following components：84% 95% desulfurated plaster, 3% 15.5% light heat-insulating material, 0.1% 0.5% water-loss reducer, 0.1% 1% redispersable latex powder, 0.1% 0.5% retarder and 0.01% 0.1% air entraining agent；The light heat-insulating material is glass bead, closed-cell expanded perlite, expanded vermiculite, sepiolite or sheet mica.The fire insulation performance of gypsum base steel structure fireproof protection material of the present invention is excellent, and society and economical effects are realized by twice laid.
Description
Technical field
The invention belongs to building material technical field, and in particular to a kind of gypsum base steel structure fireproof protection material.
Background technology
With continuing to develop for China's economy, steel construction because its intensity is high, from heavy and light, manufacture simplicity, short construction period, build
Build the features such as industrialization degree is high and obtain increasingly extensive application., at high temperature can be rapid although steel construction itself is non-ignitable
Lose intensity and deform.The critical-temperature of common building steel is generally 540 DEG C, in a fire, and the steel of safeguard measure is not taken
Structure can reach critical-temperature within a few minutes, cause bearing capacity drastically to decline, and cause partial building or all collapse
Damage, therefore steel construction must take corresponding fire prevention measure.For the high residential building that fire resistance rating is one-level,
According to Code for fire protection design of buildings (GB50016-2014) requirement, the fire endurance of load bearing wall and post cannot be below 3 hours, beam
Fire endurance cannot be below 2 hours.The slim of the country, super-thin steel structure fire-proof paint fire resistance are poor at present, it is impossible to
Meet the fire endurance requirement of 3 hours of load bearing wall and post；And there is easy hollowing, open in now conventional thicker fire-resistant coating for steel structure
The shortcomings of splitting, come off, it is coarse, it is necessary to coat decoration that compression strength is generally only surface porosity after 1MPa~1.5MPa, and shaping
Plate or outer cover decorative coating.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of gypsum base steel structure fireproof protection material.The fire proofing material is
It is composited by desulfurated plaster, light heat-insulating material and additive etc., the flameproof protection available for all kinds of steel buildings.By
Physicochemical property detects and the detection of component fire endurance that product items physical and chemical index and fire protecting performance can reach or more than steel knot
The requirement of structure fireproof coating standard (GB14907-2002).
To achieve the above object, the present invention uses following technical scheme：
A kind of gypsum base steel structure fireproof protection material, it is characterised in that the gypsum base steel structure fireproof protection material by
Following components is mixed by mass percentage：84%-95% desulfurated plaster, 3%-15.5% light heat-insulating material,
0.1%-0.5% water-loss reducer, 0.1%-1% redispersable latex powder, 0.1%-0.5% retarder and 0.01%-
0.1% air entraining agent；The light heat-insulating material is glass bead, closed-cell expanded perlite, expanded vermiculite, sepiolite or sheet
One or both of mica.
Further, gypsum base steel structure fireproof protection material of the present invention preferably by following components by mass percentage
Mix：90%-95% desulfurated plaster, the water-loss reducer of 4%-9% light heat-insulating material and 0.1%-0.5%,
0.1%-0.3% redispersable latex powder, 0.3%-0.5% retarder, 0.01%-0.05% air entraining agent.
Desulfurated plaster of the present invention is, using the waste residue discharged after power plant's wet desulphurization, to be aged through 160-180 DEG C of calcining
The industrial by-products of gained, main component is CaSO4·1/2H2O。
Further, glass bead of the present invention is made up of techniques such as the expanded, vitreous of nature of glass slag ore in sand form,
Surface vitreous closing, in irregular spherical, inside is the inorganic particulate material of porous cavity structure, and high vitreous rate causes water
Divide and be difficult to enter inside glass bead particle, it is ensured that excellent thermal and insulating performance, and the surface of flat smooth makes after vitreous
Glass bead has good dispersiveness and workability, can meet the requirement of different construction.Glass bead physicochemical property is steady
It is fixed, with the excellent specific property such as light weight, insulation, thermal insulation, fire prevention, high temperature resistant, anti-aging, water absorption rate be small.
The surface vitreous rate of closed hole more than 90% of glass bead of the present invention, volume water absorption rate is below 25%, heap
Product density 80-120kg/m3。
Further, closed-cell expanded perlite of the present invention is by the way of electric furnace heating, to pass through the ladder to perlite ore
Degree heating and the accurate control to the hang time, make product surface melting, stomata closing, and inside keeps alveolate texture constant,
Profile is in irregular particle shape.Closed-cell expanded perlite not only has conventional expanded perlite light weight, fire prevention, environmental protection etc.
Advantage, also overcomes that conventional expanded perlite water absorption rate is big, low intensity, the shortcoming of poor fluidity.
The bulk density 120-150kg/m of closed-cell expanded perlite of the present invention3, volume water absorption rate 50% with
Under, thermal conductivity factor is less than 0.05W/ (mK).
Further, expanded vermiculite of the present invention be by raw material of vermiculite, drying, broken, roasting, in short period
Volume increased dramatically, expand a kind of 6~20 times of golden yellow granular material, with unit weight is light, thermal conductivity factor is small, fire prevention
Anti-corrosion, chemical property be stable, it is nonpoisonous and tasteless the features such as.
Density≤100kg/m of expanded vermiculite of the present invention3, thermal conductivity factor is less than 0.062W/ (mK), aqueous
Rate≤3%.
Further, sepiolite of the present invention is contained in the hydrated mineral clay of fibre morphology, its clustered fiber structure
Substantial amounts of nanoscale duct, therefore with good effect of heat insulation.Sepiolite has shrinkage factor low, and specific surface area is big, adsorptivity
Strong the characteristics of, and have high heat endurance, it is resistant to 1500~1700 DEG C of high temperature.
The fibre length of sepiolite of the present invention is 3-8mm, a diameter of 12-18 μm.
Further, sheet mica of the present invention is a kind of cheap layer silicate clay, with excellent
Electrical insulating property, heat resistance, water resistance, chemical resistance, elastic and high fissility, have with aqueous fire-proof coating good compatible
Property, the adhesion strength and fire resistance of fireproof coating can be improved.
The thickness of sheet mica of the present invention is 0.5-10 μm, and piece footpath is less than 0.2mm.
Further, additive of the present invention is the mixing of water-loss reducer, redispersable latex powder, retarder and air entraining agent.
Water-loss reducer of the present invention uses ethoxyl methyl cellulose ether or hydroxypropyl first of the range of viscosities for 1.5 ten thousand -6 ten thousand
Base cellulose ether.Cellulose ether is a kind of high molecular polymer of tridimensional network, has many on the network structure of crosslinking
The hydrophilic radicals such as carboxyl, hydroxyl, phthalein amido and ether, when it is contacted with water, these groups will with water molecules into
Hydrogen bond, and the substantial amounts of moisture of sticking in this way.It can ensure that mixing water is not in relatively low water paste ratio using water-loss reducer
Absorbed or evaporated by base course wall, in favor of the abundant aquation of gypsum base material, so as to ensure adhesion strength.
Redispersable latex powder of the present invention includes ethylene/vinyl acetate copolymer, vinyl acetate/versatic acid ethene
It is one or two kinds of in copolymer, acrylic copolymer.Mixing redispersable latex powder in gypsum base flameproof protection material can be with
Its adhesion strength is obviously improved, all there is preferable caking property to inorganic and organic materials.
Retarder of the present invention is one or both of sodium citrate, sodium tripolyphosphate or calgon.Half water
The setting time of gypsum is very short, and typically only a few minutes must add to more than ten minutes, therefore in gypsum base flameproof protection material
Enter retarder, the requirement of normal construction can be met.
Air entraining agent of the present invention is one or both of sodium alkyl benzene sulfonate and sodium alklyarylsulfonate.Introduce certain
Amount micro-bubble can play ball effect, reduce resistance, convenient construction.Meanwhile, the addition of air entraining agent also increases gypsum base and prevented
The paste producing amount of fiery protection materials, reduces the usage amount of unit area.
The gypsum base steel structure fireproof protection material of the present invention is comprised the following steps that in construction：
1st, base treatment：First component surface is thoroughly derusted before construction, brushing twice antirust paint, the structure of brushing antirust paint
Part should by surface dust, degrease etc. (it is required that antirust paint is done solid work, paint film is without damage, it is ensured that the integrality of paint film), keeps base material
The cleaning on surface.
2nd, flameproof protection material is constructed
Construction can be divided into two kinds of the vertical members such as concrete filled steel tube beam combined member, steel core concrete column, steel column and girder steel
Situation：
1) concrete filled steel tube beam combined member, steel core concrete column, steel column flameproof protection coating application：(1) antirust paint is treated
Do solid work and after surface cleaning finishes, in component surface surveying setting-out, then hang same homalographic aperture 30mm, string diameter 1.0mm
Hot-galvanized steel silk screen.Linked network step is:A. using nailing gun in the uniform Φ 4mm of component surface, length 35 or the zinc-plated of 40mm are penetrated
Nail, it is desirable to which nail spacing≤600mm, ailhead is fully entered in steel pipe walls, the outer nail length of steel pipe walls should be maintained at 20-30mm it
Between；B. use galvanizing metal binding wire steel wire colligation on galvanized steel ailhead；C. with reinforcing rod by wire netting warping part partial pressure
It is flat, net is kept 10~35mm or so distance with component surface.(2) flameproof protection coating is poured into mixer by 1：
The 0.63-0.65 ratio of mud, is slowly added water after stirring, and concrete filled steel tube beam combined member or steel core concrete column are carried out
Spraying.During spraying, nozzle distance component surface is preferably (100-200) mm, and keeps nozzle vertical with component surface；Spraying order
From left to right, even application, a spray mo(u)lding from top to bottom.Spray after certain area, it is tentatively levelling to spray-coating surface with floating rule.
There is spillage position to mend slurry spraying in time, it is then levelling to spray-coating surface with floating rule, after after initial set, warehouse before final set, receive light.
2) the flameproof protection material construction of girder steel：(1) after antirust paint is done solid work and surface cleaning is finished, steel beam surface is entered
Row surveying setting-out, and hang aperture 30mm, string diameter 1.0mm hot-galvanized steel silk screen in girder steel lower flange.Linked network step is:Cut out
Steel wire is simultaneously converted into C-shaped upset hanging on girder steel lower flange；Ensure that steel wire is converted into after C-shaped with girder steel with width, and put in per side
Depth >=50mm of lower flange, and keep wire rope net surface to be suspended under girder steel lower flange at 10~20mm.(2) by flameproof protection coating
Pour into mixer by 1：The 0.63-0.65 ratio of mud, slowly adds water after stirring, steel beam surface is sprayed.Spraying
When, nozzle distance steel beam surface is preferably (100-200) mm, and keeps nozzle vertical with surface；Spraying order should be first from girder steel one
Spraying is tamped in ventrolateral compartment, is reached after design size, then sprays another ventrolateral compartment of girder steel, while to the girder steel abdominal cavity face of the first side
Carried out with floating rule preliminary levelling；Treat that the spraying of the ventrolateral compartment of girder steel second is tamped, reach after design size, beam bottom is sprayed, together
When the girder steel abdominal cavity face of the second side is carried out with floating rule it is preliminary levelling；Finally soffit is carried out with floating rule preliminary levelling.Tentatively
After the completion of levelling, observation girder steel abdominal cavity both sides and beam bottom have spillage position to mend slurry spraying in time, then looked for floating rule spray-coating surface
It is flat, after after initial set, warehouse before final set, receive light.
Beneficial effect：It is of the invention compared with existing thicker, slim and super-thin steel structure fire-proof paint, with following excellent
Point：
1) present invention carries out steel structure fireproof protection using gypsum base spraying slurry, the main component gypsum source of slurry in
Industrial Solid Waste desulfurated plaster, with society and economical effects such as cheap, wide material sources, the useless environmental protection of profit.
2) after the completion of flameproof protection construction, the main component of component fireproof jointing sheath is two obtained after semi-hydrated gypsum aquation
Water gypsum (CaSO4·2H2O).With two hydrones, when component is by fire, dihydrate gypsum energy in the molecular structure of dihydrate gypsum
Enough absorb heat and discharge the crystallization water simultaneously, crystallization water evaporation has taken away substantial amounts of heat again, so as to effectively delay structure
Part programming rate.Shown by steel plate by fire experiment, after steel billet temperature reaches 100 degree, due to the crystallization water in dihydrate gypsum
Evaporation, steel plate heating can postpone 30 minutes (fireproof jointing sheath thickness 35mm), illustrate that gypsum base flameproof protection material has excellent
Different fire-proof and thermal-insulation function.
3) by adding light heat-insulating material and air entraining agent in the material, the dry density and thermal conductivity factor of material are reduced,
It further enhancing the fire insulation performance of material；Add binding agent, it is ensured that the cohesive force of material, it is to avoid coating shedding
Problem；Gypsum material has a microdilatancy characteristic when hardening, and hardening post-shrinkage ratio is small, thus with adhesive force it is strong, not hollowing, do not open
The advantage split.
4) gypsum base spraying slurry uses mechanized construction, and speed of application is fast, and labor intensity is low, saves cost of labor.
5) gypsum is in addition to high insulating effect, moreover it is possible to adjust indoor humidity, is referred to as the material that can be breathed, and can improve interior
Living environment.
6) gypsum base spraying slurry hardness is higher, and finishing effect is good, it is not necessary to wrapped again as traditional fireproof coating
Protection and incrustation processing are wrapped up in, and with certain hanging ability.
Embodiment
With reference to specific embodiment, the present invention is described further, but protection scope of the present invention is not limited in
This.
Embodiment 1
A kind of gypsum base steel structure fireproof protection material, by following weight than component constitute：Shanxi energy Power Group
The desulfurated plaster 84% that Co., Ltd provides, the bulk density 120-150kg/ that Shanghai Qiang Wei insulation materials Co., Ltd provides
m3, volume water absorption rate is below 50%, and thermal conductivity factor is less than 0.05W/ (mK) closed-cell expanded perlite 5%, and Shijiazhuang occasion are emerging
Density≤100kg/m that Industrial Co., Ltd. provides3, thermal conductivity factor is less than 0.062W/ (mK), the expansion of moisture content≤3%
Vermiculite 10.5%, the viscosity that Japanese SHIN-ETSU HANTOTAI provides is 30000mPas water-loss reducer ethoxyl methyl cellulose ether (model
EGC168) 0.1%；Redispersable latex powder vinyl acetate/versatic acid ethylene copolymer (model that Japan's synthesis chemistry is provided
DM200) 0.2%；Retarder calgon 0.1%；Air entraining agent sodium alkyl benzene sulfonate 0.1%.
Embodiment 2
A kind of gypsum base steel structure fireproof protection material, by following weight than component constitute：Shanxi energy Power Group
The desulfurated plaster 95% that Co., Ltd provides, the fibre length that Hebei Hong Li sepiolite cashmeres Co., Ltd provides is 3-8mm, diameter
For 12-18 μm of sepiolite 2%, the thickness that Lingshou County Tian Ze mineral products processings factory provides is 0.5-10 μm, and piece footpath is less than 0.2mm
Sheet mica 1%, DOW Chemical provide viscosity be 15000mPas water-loss reducer ethoxyl methyl cellulose ether (model
For XCS47107) 0.5%；Redispersable latex powder ethylene/vinyl acetate copolymer (the model that wacker chemicals are provided
5010N) 1%；Retarder sodium tripolyphosphate 0.4%；Air entraining agent sodium alkyl benzene sulfonate 0.1%.
Embodiment 3
A kind of gypsum base steel structure fireproof protection material, by following weight than component constitute：Shanxi energy Power Group
Gloomy perlite applies the surface vitreous rate of closed hole that Co., Ltd provides in the desulfurated plaster 95% that Co., Ltd provides, Xinyang
More than 90%, volume water absorption rate is below 25%, bulk density 80-120kg/m3Glass bead 4%, Hercules are day general to be provided
Viscosity be 60000mPas water-loss reducer ethoxyl methyl cellulose ether 0.39% (model BX165M)；Japanese synthesisization
The redispersable latex powder acrylic copolymer (model LDM7000P) 0.1% provided is provided；Retarder sodium citrate 0.5%；
Air entraining agent sodium alklyarylsulfonate 0.01%.
Embodiment 4
A kind of gypsum base steel structure fireproof protection material, by following weight than component constitute：Shanxi energy Power Group
Gloomy perlite applies the surface vitreous rate of closed hole that Co., Ltd provides in the desulfurated plaster 90% that Co., Ltd provides, Xinyang
More than 90%, volume water absorption rate is below 25%, bulk density 80-120kg/m3Glass bead 9%, Hercules are day general to be provided
Viscosity be 40000mPas water-loss reducer hydroxypropyl methyl cellulose ether (model ME6019) 0.35%；Japanese synthesisization
The redispersable latex powder acrylic copolymer (model LDM7000P) 0.3% provided is provided；Retarder sodium citrate 0.3%；
Air entraining agent sodium alklyarylsulfonate 0.05%.
Knowable to sample tests as shown in Table 1, gypsum base steel structure fireproof protection material workability of the invention
Well, drying time is suitable, beneficial to meeting construction requirement.Every technical performance index meets and exceeds GB 14907-2002's
It is required that, main outstanding properties show adhesion strength, compression strength, in fire endurance index.In addition also to flameproof protection thickness
The steel pipe bundle combined shear wall member spent for 35mm has carried out fire endurance experiment, and component loading ratio is 0.65, and fire endurance reaches
By 3.5 hours, the fire endurance requirement of 3 hours of load bearing wall and post is exceeded.
The performance comparison test of table 1
Claims (10)
1. a kind of gypsum base steel structure fireproof protection material, it is characterised in that the gypsum base steel structure fireproof protection material by with
Lower component is mixed by mass percentage：84%-95% desulfurated plaster, 3%-15.5% light heat-insulating material,
0.1%-0.5% water-loss reducer, 0.1%-1% redispersable latex powder, 0.1%-0.5% retarder and 0.01%-
0.1% air entraining agent；
The light heat-insulating material is one in glass bead, closed-cell expanded perlite, expanded vermiculite, sepiolite or sheet mica
Plant or two kinds.
2. gypsum base steel structure fireproof protection material as claimed in claim 1, it is characterised in that：The water-loss reducer is viscosity model
Enclose the ethoxyl methyl cellulose ether or hydroxypropyl methyl cellulose ether for 1.5 ten thousand -6 ten thousand.
3. gypsum base steel structure fireproof protection material as claimed in claim 1, it is characterised in that：The redispersable latex powder
Including one or two kinds of in ethylene/vinyl acetate copolymer, vinyl acetate/versatic acid ethylene copolymer, acrylic copolymer.
4. gypsum base steel structure fireproof protection material as claimed in claim 1, it is characterised in that：The retarder is citric acid
One or both of sodium, sodium tripolyphosphate or calgon.
5. gypsum base steel structure fireproof protection material as claimed in claim 1, it is characterised in that：The air entraining agent is alkylbenzene
One or both of sodium sulfonate and sodium alklyarylsulfonate.
6. gypsum base steel structure fireproof protection material as claimed in claim 1, it is characterised in that the gypsum base steel construction is prevented
Fiery protection materials are mixed by mass percentage by following components：90%-95% desulfurated plaster, 4%-9% lightweight are exhausted
Hot material and 0.1%-0.5% water-loss reducer, 0.1%-0.3% redispersable latex powder, 0.3%-0.5% retarder,
0.01%-0.05% air entraining agent.
7. gypsum base steel structure fireproof protection material as claimed in claim 1, it is characterised in that：The desulfurated plaster is use
The waste residue discharged after power plant's wet desulphurization, through the industrial by-products obtained by 160-180 DEG C of calcining ageing, main component is
CaSO4·1/2H2O。
8. gypsum base steel structure fireproof protection material as claimed in claim 1, it is characterised in that：The surface of the glass bead
Vitreous rate of closed hole more than 90%, volume water absorption rate is below 25%, bulk density 80-120kg/m3。
9. gypsum base steel structure fireproof protection material as claimed in claim 1, it is characterised in that：The closed-cell expanded perlite
Bulk density 120-150kg/m3, volume water absorption rate is below 50%, and thermal conductivity factor is less than 0.05W/ (mK).
10. gypsum base steel structure fireproof protection material as claimed in claim 1, it is characterised in that：The expanded vermiculite it is close
Degree≤100kg/m3, thermal conductivity factor is less than 0.062W/ (mK), moisture content≤3%；The fibre length of the sepiolite is 3-
8mm, a diameter of 12-18 μm；The thickness of the sheet mica is 0.5-10 μm, and piece footpath is less than 0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295867.8A CN107140926B (en) | 2017-04-28 | 2017-04-28 | Gypsum-based steel structure fireproof protection material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295867.8A CN107140926B (en) | 2017-04-28 | 2017-04-28 | Gypsum-based steel structure fireproof protection material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107140926A true CN107140926A (en) | 2017-09-08 |
| CN107140926B CN107140926B (en) | 2020-04-21 |
Family
ID=59774503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710295867.8A Active CN107140926B (en) | 2017-04-28 | 2017-04-28 | Gypsum-based steel structure fireproof protection material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107140926B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130533A (en) * | 2019-04-29 | 2019-08-16 | 杭萧钢构股份有限公司 | A kind of the plastering gupsum construction method and steel structure member flameproof protection device of the steel structure wall with corrosion-inhibiting coating |
| CN112679184A (en) * | 2020-12-28 | 2021-04-20 | 鲁米科技(山东)有限公司 | Gypsum-based non-intumescent fire-retardant coating for steel structure |
| CN114045052A (en) * | 2021-12-08 | 2022-02-15 | 福州大学 | Single-component gypsum-alkali slag fireproof coating and preparation method thereof |
| WO2024007251A1 (en) | 2022-07-07 | 2024-01-11 | Sika Technology Ag | A human friendly high performance fireproof mortar |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070066165A1 (en) * | 2003-03-05 | 2007-03-22 | Fyfe Edward R | Fire protection coating for FRP-reinforced structure |
| CN102643071A (en) * | 2012-05-17 | 2012-08-22 | 浙江方远建材科技有限公司 | Calcination-free desulfurized gypsum walling plastering dry-mixed mortar |
| CN105777039A (en) * | 2016-03-31 | 2016-07-20 | 武汉理工大学 | Phosphogypsum-based light-weight insulation board and preparation method thereof |
| CN106187014A (en) * | 2016-08-08 | 2016-12-07 | 长安大学 | A kind of desulfurized gypsum base heat preservation slurry and lightweight light gauge cold-formed steel shape combined wall thereof |
-
2017
- 2017-04-28 CN CN201710295867.8A patent/CN107140926B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070066165A1 (en) * | 2003-03-05 | 2007-03-22 | Fyfe Edward R | Fire protection coating for FRP-reinforced structure |
| CN102643071A (en) * | 2012-05-17 | 2012-08-22 | 浙江方远建材科技有限公司 | Calcination-free desulfurized gypsum walling plastering dry-mixed mortar |
| CN105777039A (en) * | 2016-03-31 | 2016-07-20 | 武汉理工大学 | Phosphogypsum-based light-weight insulation board and preparation method thereof |
| CN106187014A (en) * | 2016-08-08 | 2016-12-07 | 长安大学 | A kind of desulfurized gypsum base heat preservation slurry and lightweight light gauge cold-formed steel shape combined wall thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王新民等: "《新型建筑干拌砂浆指南》", 31 December 2004, 中国建筑工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130533A (en) * | 2019-04-29 | 2019-08-16 | 杭萧钢构股份有限公司 | A kind of the plastering gupsum construction method and steel structure member flameproof protection device of the steel structure wall with corrosion-inhibiting coating |
| CN112679184A (en) * | 2020-12-28 | 2021-04-20 | 鲁米科技(山东)有限公司 | Gypsum-based non-intumescent fire-retardant coating for steel structure |
| CN114045052A (en) * | 2021-12-08 | 2022-02-15 | 福州大学 | Single-component gypsum-alkali slag fireproof coating and preparation method thereof |
| WO2024007251A1 (en) | 2022-07-07 | 2024-01-11 | Sika Technology Ag | A human friendly high performance fireproof mortar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107140926B (en) | 2020-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107176815A (en) | A kind of gypsum base steel structure fireproof protection material containing reinforcing fiber | |
| CN102561532B (en) | Functionally-graded cellular-concrete thermal-insulating material and preparation method thereof | |
| US10011530B2 (en) | Geopolymer coating and mortar | |
| CN107140926A (en) | A kind of gypsum base steel structure fireproof protection material | |
| WO2006070960A1 (en) | Covering composite for fire resistance and sound absorption | |
| CN103992086B (en) | A kind of fire-resistant water-fast aerated bricks and preparation method thereof | |
| EP2289862B1 (en) | Thermal insulation system for buildings and for liquid storage and transportation systems | |
| KR101777267B1 (en) | Adhesive composition for ceramic tile for waterproof and method for laying ceramic tile on concrete structure therewith | |
| CN104098316B (en) | A kind of high temperature resistant aerated bricks and preparation method thereof | |
| CN101691800B (en) | General insulation composite material for exterior wall and application method | |
| JPH046136A (en) | Refractory coating material | |
| WO2020247876A1 (en) | Fire resistant compositions and articles and methods of preparation and use thereof | |
| CN104446606A (en) | Antibacterial and thermal-insulation aerated brick and preparation method thereof | |
| CN102531465B (en) | High-performance microscopic microfiber building heat insulation and heat preservation slurry and using method thereof | |
| WO2018107862A1 (en) | Flame-retardant, mould-proof, and fade-proof construction thermal insulation external wall | |
| CN104355594A (en) | Fireproof environment-friendly light partition plate and manufacturing method thereof | |
| CN113719047A (en) | Building outer wall protection and decoration structure and application and construction process | |
| CN109133841A (en) | A kind of novel magnesium oxysulfide cement-based fireproofing coating, preparation and construction method | |
| CN103979900B (en) | Antibacterial aerated bricks of a kind of high strength and preparation method thereof | |
| CN103992085B (en) | A kind of fireproof antibacterial mildew-resistant aerated bricks and preparation method thereof | |
| TWI571553B (en) | Cotaed ceiling tile with increased dimensional stability | |
| CN104446190A (en) | Thermal-insulation and anti-corrosion aerated brick and preparation method thereof | |
| CN104446611B (en) | A kind of adiabatic sound absorption aerated bricks and preparation method thereof | |
| CN103992082B (en) | A kind of heat-resistant sound-insulation aerated bricks and preparation method thereof | |
| CN103992084B (en) | A kind of high tenacity aerated bricks and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |