CN105967581A - Modified expanded perlite heat insulation plate using fly ash, and production method thereof - Google Patents
Modified expanded perlite heat insulation plate using fly ash, and production method thereof Download PDFInfo
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- CN105967581A CN105967581A CN201610280672.1A CN201610280672A CN105967581A CN 105967581 A CN105967581 A CN 105967581A CN 201610280672 A CN201610280672 A CN 201610280672A CN 105967581 A CN105967581 A CN 105967581A
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- expanded perlite
- modified expanded
- insulation board
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- flyash
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Classifications
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- 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
-
- 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses a modified expanded perlite heat insulation plate using fly ash, and a production method thereof. The heat insulation plate comprises, by weight, 18-25 parts of cement, 5-8 parts of fly ash, 2-5 parts of triethoxysilane, 5-10 parts of a polyacrylate emulsion, 50-70 parts of modified expanded perlite, 0.7-2.9 parts of sodium dodecyl benzene sulfonate, 5-10 parts of an additive, 0.1-0.5 parts of PP fibers, 0.5-2 parts of hydroxypropyl methyl cellulose, 5-10 parts of kaolin and 10-20 parts of water. The modified expanded perlite heat insulation plate adopting cement, fly ash, kaolin, the PP fibers and other organic and inorganic substances as raw materials effectively utilizes industrial and mineral wastes, and contains no poisonous or harmful substances, so the heat insulation plate is green and environmentally-friendly. The modified expanded perlite heat insulation plate has the advantages of wide sources of raw materials, low cost, simple production technology, easiness in operation, meeting of demands of different building materials, and good social and economic benefits.
Description
Technical field
The present invention relates to a kind of modified expanded perlite insulation board utilizing flyash and production method thereof, belong to building material technology
Field.
Background technology
Building energy conservation is the industry that national industrial policies are given special assistance to.At present, energy-saving building materials is broadly divided into the light bone of inorganic heat preservation
Material and the light bone material of organic heat-insulating, but due to materials chemistry character, whether inorganic system or organic system, all
The requirement of properties of heat preservation and energy saving and security against fire cannot be taken into account: for heat-insulating property, organic material is better than inorganic material simultaneously；
Considering from Performance-based fire, A level anti-flammability insulation material is again only selection.In recent years, inorganic heat insulation material expands
Perlite the most progressively becomes the first-selection of inorganic external wall thermal-insulation material with its excellent fire retardancy energy, the advantage such as environmentally safe.
Expanded perlite, as a kind of nonmetallic mineral material, is widely used in building, metallurgy, oil, chemical industry, light industry, electricity
The fields such as power, transport and agricultural.District, Xinyang Area, Henan Province Radix Cynanchi Paniculati perlite mineral reserve proved reserves 1.27 hundred million tons, occupy " Asia first, generation
Boundary second ", account for more than the 70% of China's perlite commercial reserves.At building trade, Xinyang Normal College spherical hole closed studied
After perlite realizes industrialization, expanded perlite is just widely used in the light bone material of external wall insulation.But due to various former
Cause, the application of expanded perlite thermal-nsulation plate also suffers from some and limits.
Summary of the invention
The technical problem to be solved is to provide a kind of modified expanded perlite insulation board utilizing flyash and producer thereof
Method, this modified expanded perlite insulation board has that fire protecting performance is superior, light weight, intensity high, heat conductivity is low, water absorption rate is low,
The features such as pliability is good, have good workability.
To achieve these goals, the technical solution adopted in the present invention is to provide a kind of modified expanded perlite utilizing flyash
Warming plate, including the component of following weight portion meter: cement 18-25 part, flyash 5-8 part, triethoxysilane 2-5 part, poly-
Acrylic acid ester emulsion 5-10 part, modified expanded perlite 50-70 part, dodecylbenzene sodium sulfonate 0.7-2.9 part, additive 5-10
Part, PP fiber 0.1-0.5 part, hydroxypropyl methyl cellulose 0.5-2 part, Kaolin 5-10 part and water 10-20 part.
The model of described cement is PO52.5.
The fineness of described flyash is 12% (R45), and loss on ignition is 5%, and sulfur trioxide content is 3%.
The concrete preparation method of described modified expanded perlite is: perlite is heated to 1000-1300 DEG C and carries out expanding treatment,
Make perlite volumetric expansion 7-10 times, obtain expanded perlite, then lower the temperature, when temperature is down to 100-200 DEG C, to expansion
Perlite sprays the triethoxysilane of expanded perlite gross weight 5-10%, continues to be cooled to room temperature, crosses 20-30 mesh sieve, i.e.
?.
Described additive includes the component of following weight portion meter: calcium sulfate 25-35 part, aluminium oxide 2-5 part, triethanolamine 0.2-5
Part, zinc phosphate 5-10 part and ferrum oxide 15-20 part.
The a length of 12-16mm of described PP fiber.
The technical solution adopted in the present invention also resides in provides a kind of described modified expanded perlite insulation board utilizing flyash
Production method, comprises the following steps:
(1) flyash, additive, polyacrylate dispersion, PP fiber, Kaolin and hydroxypropyl methyl cellulose are mixed
And stir, add cement and dodecylbenzene sodium sulfonate continues stirring, obtain rubber powder material；
(2) by modified expanded perlite and rubber powder material mix and blend, add triethoxysilane and water, stir, continuously
Compression molding, obtains half-dried modified expanded perlite insulation board；
(3) half-dried modified expanded perlite insulation board is carried out heating curing；
(4) after heating curing terminates, start to be dried, be dried to modified expanded perlite insulation board water content less than 5%,
Kiln discharge.
The equipment that in step (2), continuous mould pressing molding is used is hydraulic press, and the pressure of hydraulic press is 50t.
In step (3), heat-cured temperature is 20-70 DEG C, and the time is 10-24h.
The heating curing of modified expanded perlite insulation board can use the conventional method of this area.The present invention is by swollen for half-dried modification
Swollen pearlite heat-insulation plate is sent in tunnel cave, closure of a tunnel kiln wicket, opens biomass particle burning machine and hot-air blower to half-dried
Modified expanded perlite insulation board carries out heating curing.
The temperature being dried in step (4) is 90-120 DEG C.
Beneficial effect
1, fire protecting performance is superior.Modified expanded perlite insulation board of the present invention mainly uses inorganic incombustible material, it is possible to effectively
Improving the fire protecting performance of warming plate, the combustibility of modified expanded perlite insulation board of the present invention is up to A1 level.
2, light weight, intensity is high, heat conductivity is low.Modified expanded perlite insulation board material of the present invention uses high-mark cement as master
Want Binder Materials, mix PP fiber, flyash, Kaolin, dodecylbenzene sodium sulfonate, Kaolin and hydroxypropyl methyl the most outward
Cellulose improves the intensity of Binder Materials, makes insulation material be substantially reduced dry density on the basis of ensureing resistance to compression, rupture strength,
Make sheet material have higher intensity and relatively low heat conductivity, thus ensure that heat preservation plate material and system have good heat-insulating property.
3 is good with the tack coat of heat-insulation system and the cracking resistance protective layer compatibility.Owing to modified expanded perlite insulation board of the present invention uses
High-mark cement, as main Binder Materials, does not use sodium silicate and containing sodium silicate or containing chloride ion cement additire,
From root, ensure that modified expanded perlite insulation board material and heat-insulation system do not have the accumulation of salt in the surface soil and return the problems such as chlorine, simultaneously the present invention
Warming plate and the bonding mortar of heat-insulation system use, anticracking grout composition basic simlarity, it is ensured that system compatibility is good, Bu Huifa
The phenomenons such as raw hollowing cracking, it is possible to life-span same with building.
4, pliability is good, backfin than rationally, have good workability.Modified expanded perlite insulation board of the present invention uses half siccative to mold
Technology and the employing preferable polyacrylate dispersion of pliability are as Binder Materials additive, and warming plate material is from modified expanded treasure
Zhu Yan is fabricated into plate moulding molding, all uses automated production, and product pliability is good, backfin ratio is reasonable, steady quality,
Reduce work progress modified expanded perlite insulation board breakage rate.
5, water absorption rate is low.The modified expanded perlite insulation board addition triethoxysilane of the present invention is as hydrophober, and passes through to change
Property expanded perlite, optimize the proportionate relationship of each component, reduce the water absorption rate of warming plate, increase the service life.
6, environmental protection.Modified expanded perlite insulation board of the present invention with cement, flyash, Kaolin, PP fiber and other
Organic and inorganic thing, as raw material, is effectively utilized industrial and mineral dead meal, and does not add poisonous and harmful substance, environmental protection.
Although 7, expanded perlite can reach to improve by improving vitreous rate the purpose of heat insulation effect in process of production, but
Still with the presence of close to 30% perforate perlite, in order to reduce the perlitic water absorption rate of this demi-inflation, the present invention is at puffing furnace
Spraying triethoxysilane in expanded rear temperature-fall period, modified expanded perlite is to reach the purpose of hydrophobic.
8, the present invention is by controlling the heating curing temperature and time of half-dried warming plate, controls baking temperature, it is possible to carry further
The properties of high warming plate.
9, test result indicate that, the dry density of modified expanded perlite insulation board of the present invention is less than 185kg/m3, comprcssive strength is more than
0.6MPa, heat conductivity is less than 0.052W/ (m.k), and rupture strength is more than 0.43MPa, and mass water content is less than 4.2%, hangs down
Directly being less than 8.0% in direction, plate face tensile strength more than 0.32MPa, volume water absorption rate, coefficient of softing is more than 0.88, mass loss
Rate is less than 3.4%, and comprcssive strength loss rate is less than 22.3%, and hydrophobic rate is more than 99.1%.
10, the raw material sources of modified expanded perlite insulation board of the present invention are extensive, low cost, production technology are simple, easily operated,
Disclosure satisfy that the demand of different construction material, there is good Social and economic benef@.
Detailed description of the invention
Below in conjunction with embodiment, the detailed description of the invention of the present invention is described in further detail.
The requirement of raw material used in the present invention is:
The model of cement is PO52.5.
The fineness of flyash is 12% (R45), and loss on ignition is 5%, and sulfur trioxide content is 3%.
The a length of 16mm of PP fiber.
Polyacrylate dispersion is purchased from Jinyuan District, Taiyuan City Jin Yuan Building Materials Factory.
Embodiment 1
The modified expanded perlite insulation board utilizing flyash of the present embodiment, including the component of following weight portion meter: cement 20 parts,
5 parts of flyash, triethoxysilane 5 parts, polyacrylate dispersion 10 parts, modified expanded perlite 50 parts, dodecyl
Benzene sulfonic acid sodium salt 2 parts, additive 8 parts, PP fiber 0.3 part, hydroxypropyl methyl cellulose 0.5 part, Kaolin 5 parts and water 10
Part.
Described additive includes the component of following weight portion meter: 30 parts of calcium sulfate, aluminium oxide 5 parts, triethanolamine 3 parts, phosphorus
10 parts of zinc of acid and ferrum oxide 15 parts.
The concrete preparation method of described modified expanded perlite is: perlite is heated to 1000 DEG C and carries out expanding treatment, make treasure
Pearl rock volumetric expansion 7 times, obtains expanded perlite, then lowers the temperature, and when temperature is down to 150 DEG C, sprays expanded perlite
The triethoxysilane of expanded perlite gross weight 5%, continues to be cooled to room temperature, crosses 20 mesh sieves, to obtain final product.
The production method of the modified expanded perlite insulation board utilizing flyash of the present embodiment, comprises the following steps:
(1) flyash, additive, polyacrylate dispersion, PP fiber, Kaolin and hydroxypropyl methyl cellulose are added
Forced stirrer is mixed and stirred for 15min, adds cement and dodecylbenzene sodium sulfonate continues stirring 30min, obtain rubber powder material；
(2) by modified expanded perlite and rubber powder material mix and blend, add triethoxysilane and water, stir, deliver to
Hydraulic press continuous mould pressing molding, obtains half-dried modified expanded perlite insulation board；Hydraulic press pressure is 50t；
(3) half-dried modified expanded perlite insulation board carrying out heating curing, heat-cured temperature is 20 DEG C, and the time is
24h；
(4) after heating curing terminates, starting to be dried, baking temperature is 90 DEG C, is dried to modified expanded perlite insulation board and contains
The water yield is less than 5%, gets final product kiln discharge.
Embodiment 2
The modified expanded perlite insulation board utilizing flyash of the present embodiment, including the component of following weight portion meter: cement 18 parts,
8 parts of flyash, triethoxysilane 2 parts, polyacrylate dispersion 5 parts, modified expanded perlite 60 parts, detergent alkylate
Sodium sulfonate 0.7 part, additive 5 parts, PP fiber 0.1 part, hydroxypropyl methyl cellulose 2 parts, Kaolin 10 parts and water 15
Part.
Described additive includes the component of following weight portion meter: 25 parts of calcium sulfate, aluminium oxide 3 parts, triethanolamine 0.2 part,
Zinc phosphate 5 parts and ferrum oxide 20 parts.
The concrete preparation method of described modified expanded perlite is: perlite is heated to 1300 DEG C and carries out expanding treatment, make treasure
Pearl rock volumetric expansion 10 times, obtains expanded perlite, then lowers the temperature, and when temperature is down to 100 DEG C, sprays expanded perlite
The triethoxysilane of expanded perlite gross weight 10%, continues to be cooled to room temperature, crosses 20 mesh sieves, to obtain final product.
The production method of the modified expanded perlite insulation board utilizing flyash of the present embodiment, comprises the following steps:
(1) flyash, additive, polyacrylate dispersion, PP fiber, Kaolin and hydroxypropyl methyl cellulose are added
Forced stirrer is mixed and stirred for 10min, adds cement and dodecylbenzene sodium sulfonate continues stirring 40min, obtain rubber powder material；
(2) by modified expanded perlite and rubber powder material mix and blend, add triethoxysilane and water, stir, deliver to
Hydraulic press continuous mould pressing molding, obtains half-dried modified expanded perlite insulation board；Hydraulic press pressure is 50t；
(3) half-dried modified expanded perlite insulation board carrying out heating curing, heat-cured temperature is 50 DEG C, and the time is
20h；
(4) after heating curing terminates, starting to be dried, baking temperature is 100 DEG C, is dried to modified expanded perlite insulation board and contains
The water yield is less than 5%, gets final product kiln discharge.
Embodiment 3
The modified expanded perlite insulation board utilizing flyash of the present embodiment, including the component of following weight portion meter: cement 25 parts,
6 parts of flyash, triethoxysilane 4 parts, polyacrylate dispersion 8 parts, modified expanded perlite 70 parts, detergent alkylate
Sodium sulfonate 2.9 parts, additive 10 parts, PP fiber 0.5 part, hydroxypropyl methyl cellulose 1 part, Kaolin 8 parts and water 20
Part.
Described additive includes the component of following weight portion meter: 35 parts of calcium sulfate, aluminium oxide 2 parts, triethanolamine 5 parts, phosphorus
8 parts of zinc of acid and ferrum oxide 16 parts.
The concrete preparation method of described modified expanded perlite is: perlite is heated to 1200 DEG C and carries out expanding treatment, make treasure
Pearl rock volumetric expansion 7 times, obtains expanded perlite, then lowers the temperature, and when temperature is down to 200 DEG C, sprays expanded perlite
The triethoxysilane of expanded perlite gross weight 8%, continues to be cooled to room temperature, crosses 30 mesh sieves, to obtain final product.
The production method of the modified expanded perlite insulation board utilizing flyash of the present embodiment, comprises the following steps:
(1) flyash, additive, polyacrylate dispersion, PP fiber, Kaolin and hydroxypropyl methyl cellulose are added
Forced stirrer is mixed and stirred for 20min, adds cement and dodecylbenzene sodium sulfonate continues stirring 30min, obtain rubber powder material；
(2) by modified expanded perlite and rubber powder material mix and blend, add triethoxysilane and water, stir, deliver to
Hydraulic press continuous mould pressing molding, obtains half-dried modified expanded perlite insulation board；Hydraulic press pressure is 50t；
(3) half-dried modified expanded perlite insulation board carrying out heating curing, heat-cured temperature is 70 DEG C, and the time is
10h；
(4) after heating curing terminates, starting to be dried, baking temperature is 120 DEG C, is dried to modified expanded perlite insulation board and contains
The water yield is less than 5%, gets final product kiln discharge.
Experimental example one
With the modified expanded perlite insulation board of embodiment 1 as experiment material, the PP fiber of checking different length is to modified expanded treasure
The intensity effect of pearl rock warming plate, the results are shown in Table 1.
The PP fiber of the table 1 different length intensity effect to modified expanded perlite insulation board
| PP fibre length | Comprcssive strength | Rupture strength | Fiber batch mixing situation |
| 6mm | 0.39MPa | 0.17MPa | Good dispersion |
| 8mm | 0.42MPa | 0.21MPa | Good dispersion |
| 10mm | 0.44MPa | 0.23MPa | Good dispersion |
| 12mm | 0.50MPa | 0.37MPa | Good dispersion |
| 14mm | 0.58MPa | 0.41MPa | Good dispersion |
| 16mm | 0.62MPa | 0.43MPa | Good dispersion |
| 18mm | 0.63MPa | 0.46MPa | It is difficult to dispersion |
| 20mm | 0.65MPa | 0.48MPa | It is difficult to dispersion |
Experimental example two
With the expanded perlite of the present invention as experiment material, according to the preparation method of the modified expanded perlite of embodiment 1, only change
Becoming the temperature that sprays of triethoxysilane, checking difference sprays temperature to be affected modified expanded perlite hydrophobicity, the results are shown in Table 2.
Table 2 difference sprays temperature to be affected modified expanded perlite hydrophobicity
| The perlite place of production | Spray temperature | Hydrophobic rate |
| Xinyang Radix Cynanchi Paniculati | 200℃ | 98.9% |
| Xinyang Radix Cynanchi Paniculati | 150℃ | 99.2% |
| Xinyang Radix Cynanchi Paniculati | 100℃ | 99.1% |
Experimental example three
Using the modified expanded perlite insulation board of the present invention as experimental group, and use commercially available expanded perlite thermal-nsulation plate as right
According to, detect property indices, the results are shown in Table 3.
The property indices of table 3 modified expanded perlite insulation board of the present invention
Claims (10)
1. the modified expanded perlite insulation board utilizing flyash, it is characterised in that include the component of following weight portion meter:
Cement 18-25 part, flyash 5-8 part, triethoxysilane 2-5 part, polyacrylate dispersion 5-10 part, modified expanded treasure
Pearl rock 50-70 part, dodecylbenzene sodium sulfonate 0.7-2.9 part, additive 5-10 part, PP fiber 0.1-0.5 part, hydroxypropyl first
Base cellulose 0.5-2 part, Kaolin 5-10 part and water 10-20 part.
The modified expanded perlite insulation board utilizing flyash the most according to claim 1, it is characterised in that described water
The model of mud is PO52.5.
The modified expanded perlite insulation board utilizing flyash the most according to claim 1, it is characterised in that described powder
The fineness of coal ash is 12% (R45), and loss on ignition is 5%, and sulfur trioxide content is 3%.
The modified expanded perlite insulation board utilizing flyash the most according to claim 1, it is characterised in that described changes
The concrete preparation method of property expanded perlite is: perlite is heated to 1000-1300 DEG C carries out expanding treatment, makes perlite volume
Expand 7-10 times, obtain expanded perlite, then lower the temperature, when temperature is down to 100-200 DEG C, expanded perlite is sprayed swollen
The triethoxysilane of swollen perlite gross weight 5-10%, continues to be cooled to room temperature, crosses 20-30 mesh sieve, to obtain final product.
The modified expanded perlite insulation board utilizing flyash the most according to claim 1, it is characterised in that described adds
Add agent and include the component of following weight portion meter: calcium sulfate 25-35 part, aluminium oxide 2-5 part, triethanolamine 0.2-5 part, zinc phosphate
5-10 part and ferrum oxide 15-20 part.
The modified expanded perlite insulation board utilizing flyash the most according to claim 1, it is characterised in that described
The a length of 12-16mm of PP fiber.
7. utilizing a production method for the modified expanded perlite insulation board of flyash as claimed in claim 1, its feature exists
In, comprise the following steps:
(1) flyash, additive, polyacrylate dispersion, PP fiber, Kaolin and hydroxypropyl methyl cellulose are mixed
And stir, add cement and dodecylbenzene sodium sulfonate continues stirring, obtain rubber powder material；
(2) by modified expanded perlite and rubber powder material mix and blend, add triethoxysilane and water, stir, continuously
Compression molding, obtains half-dried modified expanded perlite insulation board；
(3) half-dried modified expanded perlite insulation board is carried out heating curing；
(4) after heating curing terminates, start to be dried, be dried to modified expanded perlite insulation board water content less than 5%,
Kiln discharge.
The production method of the modified expanded perlite insulation board utilizing flyash the most according to claim 7, it is characterised in that
The equipment that in step (2), continuous mould pressing molding is used is hydraulic press, and the pressure of hydraulic press is 50t.
The production method of the modified expanded perlite insulation board utilizing flyash the most according to claim 7, it is characterised in that
In step (3), heat-cured temperature is 20-70 DEG C, and the time is 10-24h.
The production method of the modified expanded perlite insulation board utilizing flyash the most according to claim 7, its feature exists
In, the temperature being dried in step (4) is 90-120 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610280672.1A CN105967581A (en) | 2016-04-28 | 2016-04-28 | Modified expanded perlite heat insulation plate using fly ash, and production method thereof |
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| CN201610280672.1A CN105967581A (en) | 2016-04-28 | 2016-04-28 | Modified expanded perlite heat insulation plate using fly ash, and production method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108484055A (en) * | 2018-05-30 | 2018-09-04 | 周晓东 | A kind of cement-based waterproof thermal insulation board |
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| CN101139180A (en) * | 2007-07-25 | 2008-03-12 | 宁波荣山新型材料有限公司 | Polymer modified expanded perlite and method for making same |
| CN102815906A (en) * | 2012-09-07 | 2012-12-12 | 宁波荣山新型材料有限公司 | Dual organic modified cement-base expanded perlite fireproof thermal-insulation board and preparation method thereof |
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| CN104496246A (en) * | 2014-12-24 | 2015-04-08 | 熊敏 | Cement concrete building solid phase filler surfactant and manufacturing and use methods thereof |
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| CN108484055A (en) * | 2018-05-30 | 2018-09-04 | 周晓东 | A kind of cement-based waterproof thermal insulation board |
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Application publication date: 20160928 |
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