CN106186854A - A kind of fire-type modified expanded perlite insulation board and production method thereof - Google Patents
A kind of fire-type modified expanded perlite insulation board and production method thereof Download PDFInfo
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- CN106186854A CN106186854A CN201610515125.7A CN201610515125A CN106186854A CN 106186854 A CN106186854 A CN 106186854A CN 201610515125 A CN201610515125 A CN 201610515125A CN 106186854 A CN106186854 A CN 106186854A
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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
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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
- 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
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
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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
- 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
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
- C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a kind of fire-type modified expanded perlite insulation board and production method thereof, described fire-type modified expanded perlite insulation board includes the component of following parts by weight meter: cement 25 40 parts, 58 parts of flyash, propyl trimethoxy silicane 25 parts, polyacrylate dispersion 5 10 parts, silicon ash 15 parts, ash calcium 10 20 parts, 10 20 parts of Gypsum Fibrosum, modified expanded perlite 50 70 parts, dodecylbenzene sodium sulfonate 0.7 2.9 parts, additive 5 10 parts, quick lime 13 parts, PP fiber 0.1 0.5 parts and 10 20 parts of water.Fire-type modified expanded perlite insulation board of the present invention, using cement, flyash, PP fiber and other organic and inorganic things as raw material, is effectively utilized industrial and mineral dead meal, and does not add poisonous and harmful substance, environmental protection.The raw material sources of fire-type modified expanded perlite insulation board of the present invention are extensive, low cost, production technology are simple, easily operated, it is possible to meet the demand of different construction materials, have good Social and economic benef@.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of fire-type modified expanded perlite insulation board and
Production method.
Background technology:
Along with the flourish of building industry and the modernization of building, in architectural engineering, the usage amount of warming plate increases year by year.
Exterior-wall heat insulation can effectively block thermal energy conduction, and heat insulation effect clearly, can not only save winter heating expense in a large number,
And more environmental protection compared with other heating methods.The insulation material that China's present stage uses is mainly organic insulation material and nothing
Machine insulation material, but due to materials chemistry character, whether inorganic heat insulation material or organic insulation material, all without
Method takes into account the requirement of properties of heat preservation and energy saving and security against fire simultaneously: for heat-insulating property, and organic material is better than inorganic material；From
Performance-based fire considers, A level anti-flammability insulation material is again only selection.In recent years, inorganic heat insulation material expands treasure
Zhu Yan 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, be widely used in building, metallurgy, oil, chemical industry, light industry,
The fields such as electric 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.In building trade, what Xinyang Normal College was studied spherical close
After hole perlite realizes industrialization, expanded perlite is just widely used in the light bone material of external wall insulation.But due to respectively
Planting reason, 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 fire-type modified expanded perlite insulation board and production thereof
Method, this fire-type modified expanded perlite insulation board has that fire protecting performance is superior, light weight, intensity high, heat conductivity is low, water suction
The features such as rate is low, pliability good, has good workability.
To achieve these goals, the technical solution adopted in the present invention is to provide a kind of fire-type modified expanded perlite
Warming plate, including the component of following weight portion meter: cement 25-40 part, flyash 5-8 part, propyl trimethoxy silicane 2-5 part,
Polyacrylate dispersion 5-10 part, silicon ash 1-5 part, ash calcium 10-20 part, Gypsum Fibrosum 10-20 part, modified expanded perlite 50-70 part,
Dodecylbenzene sodium sulfonate 0.7-2.9 part, additive 5-10 part, quick lime 1-3 part, PP fiber 0.1-0.5 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 swollen
Change processes, and makes perlite volumetric expansion 7-10 times, obtains expanded perlite, then lowers the temperature, when temperature is down to 100-200 DEG C,
Expanded perlite is sprayed the propyl trimethoxy silicane of expanded perlite gross weight 5-10%, continues to be cooled to room temperature, cross 20-
30 mesh sieves, to obtain final product.
Described additive includes the component of following weight portion meter: calcium sulfate 25-35 part, aluminium oxide 2-5 part, carboxymethyl are fine
Dimension element sodium 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 the production providing a kind of fire-type modified expanded perlite insulation board
Method, comprises the following steps:
(1) flyash, additive, polyacrylate dispersion, silicon calcium grey, grey, Gypsum Fibrosum, PP fiber and quick lime are mixed also
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, adding propyl trimethoxy silicane and water, stirring is all
Even, continuous mould pressing molding, obtain half-dried fire-type modified expanded perlite insulation board；
(3) half-dried fire-type modified expanded perlite insulation board is carried out heating curing；
(4) after heating curing terminates, start to be dried, be dried to fire-type modified expanded perlite insulation board water content and be less than
5%, get final product 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 half-dried
Modified expanded perlite insulation board is sent in tunnel cave, and closure of a tunnel kiln wicket opens biomass particle burning machine and hot-air blower
Half-dried modified expanded perlite insulation board is carried out heating curing.
The temperature being dried in step (4) is 90-120 DEG C.
Beneficial effect
1, fire protecting performance is superior.The fire-type modified expanded perlite insulation board of the present invention mainly uses and inorganic does not fires
Material, including cement, flyash, modified expanded perlite, it is possible to be effectively improved the fire protecting performance of warming plate, fire-type of the present invention
The combustibility of modified expanded perlite insulation board is up to A1 level.
2, light weight, intensity is high, heat conductivity is low.The fire-type modified expanded perlite insulation board material of the present invention uses high standard
Number cement as major gelled material, outer mix PP fiber, flyash, silicon calcium grey, grey, Gypsum Fibrosum, dodecylbenzene sodium sulfonate,
Quick lime 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 ability
Energy.
3 is good with the tack coat of heat-insulation system and the cracking resistance protective layer compatibility.Due to the modified expanded treasure of the fire-type of the present invention
Pearl rock warming plate uses high-mark cement as main Binder Materials, does not use sodium silicate and containing sodium silicate or containing chlorine
Ionic cement additive, ensures that from root modified expanded perlite insulation board material and heat-insulation system do not have the accumulation of salt in the surface soil and return chlorine etc.
Problem, the simultaneously warming plate of the present invention and the bonding mortar of heat-insulation system use, anticracking grout composition basic simlarity, it is ensured that be
The system compatibility is good, the phenomenons such as hollowing cracking will not occur, it is possible to the life-span same with building.
4, pliability is good, backfin than rationally, have good workability.The fire-type modified expanded perlite insulation board of the present invention is adopted
With half siccative mould pressing technology with the employing preferable polyacrylate dispersion of pliability as Binder Materials additive, and heat preservation plate material
Material is fabricated into plate moulding molding from modified expanded perlite, all uses automated production, constant product quality, reduces and execute
Work process modified expanded perlite insulation board breakage rate.
5, water absorption rate is low.The modified expanded perlite insulation board of the present invention adds propyl trimethoxy silicane as hydrophobic
Agent, and by modified expanded perlite, optimize the proportionate relationship of each component, reduce the water absorption rate of warming plate, increase the service life.
6, environmental protection.The fire-type modified expanded perlite insulation board of the present invention with cement, flyash, PP fiber and its
Its 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 mesh 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
Spraying propyl trimethoxy silicane in the expanded rear temperature-fall period of puffing furnace, 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 enter
One step improves the properties of warming plate.
9, test result indicate that, the dry density of the fire-type modified expanded perlite insulation board of the present invention is less than 189kg/
m3, comprcssive strength is more than 0.60MPa, and heat conductivity is less than 0.053W/ (m.k), and rupture strength is more than 0.39MPa, and quality is aqueous
Amount, less than 4.4%, is perpendicular to direction, plate face tensile strength and is less than 4.2% more than 0.24MPa, volume water absorption rate, and coefficient of softing is big
In 0.87, mass loss rate is less than 3.9%, and comprcssive strength loss rate is less than 22.8%, and hydrophobic rate is more than 98.9%.
10, the raw material sources of the fire-type modified expanded perlite insulation board of the present invention are extensive, low cost, production technology are simple
Single, easily operated, it is possible to meet 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 that Jinyuan District, Taiyuan City Jin Yuan Building Materials Factory produces.
Embodiment 1
The fire-type modified expanded perlite insulation board of the present embodiment, including the component of following weight portion meter: cement 25 parts,
5 parts of flyash, propyl trimethoxy silicane 2 parts, polyacrylate dispersion 5 parts, silicon ash 1 part, ash calcium 10 parts, 10 parts of Gypsum Fibrosum, change
Property expanded perlite 50 parts, dodecylbenzene sodium sulfonate 0.7 part, additive 5 parts, quick lime 1 part, PP fiber 0.1 part and water 10
Part.
Described additive includes the component of following weight portion meter: 25 parts of calcium sulfate, aluminium oxide 2 parts, carboxymethyl cellulose
0.2 part of sodium, zinc phosphate 5 parts 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 expanded place
Reason, makes perlite volumetric expansion 7 times, obtains expanded perlite, then lower the temperature, when temperature is down to 100 DEG C, to expanded perlite
Spray the propyl trimethoxy silicane of expanded perlite gross weight 5%, continue to be cooled to room temperature, cross 20 mesh sieves, to obtain final product.
The production method of the fire-type modified expanded perlite insulation board of the present embodiment, comprises the following steps:
(1) flyash, additive, polyacrylate dispersion, silicon calcium grey, grey, Gypsum Fibrosum, PP fiber and quick lime are mixed also
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, adding propyl trimethoxy silicane and water, stirring is all
Even, under conditions of hydraulic press pressure is 50t, continuous mould pressing molding, obtain half-dried fire-type modified expanded perlite insulation
Plate；
(3) half-dried fire-type modified expanded perlite insulation board is sent in tunnel cave, closure of a tunnel kiln wicket, open
Biological particle burning machine processed and hot-air blower carry out heating curing to half-dried fire-type modified expanded perlite insulation board at 60 DEG C
16h；
(4) after heating curing terminates, start to be dried at 100 DEG C, be dried to fire-type modified expanded perlite insulation board
Water content is less than 5%, gets final product kiln discharge.
Embodiment 2
The fire-type modified expanded perlite insulation board of the present embodiment, including the component of following weight portion meter: cement 32 parts,
7 parts of flyash, propyl trimethoxy silicane 3 parts, polyacrylate dispersion 8 parts, silicon ash 3 parts, ash calcium 15 parts, 15 parts of Gypsum Fibrosum, change
Property expanded perlite 60 parts, dodecylbenzene sodium sulfonate 1.5 parts, additive 8 parts, quick lime 2 parts, PP fiber 0.3 part and water 15
Part.
Described additive includes the component of following weight portion meter: 30 parts of calcium sulfate, aluminium oxide 3 parts, carboxymethyl cellulose
2 parts of sodium, zinc phosphate 8 parts and ferrum oxide 18 parts.
The concrete preparation method of described modified expanded perlite is: perlite is heated to 1200 DEG C and carries out expanded place
Reason, makes perlite volumetric expansion 8 times, obtains expanded perlite, then lower the temperature, when temperature is down to 150 DEG C, to expanded perlite
Spray the propyl trimethoxy silicane of expanded perlite gross weight 8%, continue to be cooled to room temperature, cross 25 mesh sieves, to obtain final product.
The production method of the fire-type modified expanded perlite insulation board of the present embodiment, comprises the following steps:
(1) flyash, additive, polyacrylate dispersion, silicon calcium grey, grey, Gypsum Fibrosum, PP fiber and quick lime are mixed also
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, adding propyl trimethoxy silicane and water, stirring is all
Even, under conditions of hydraulic press pressure is 50t, continuous mould pressing molding, obtain half-dried fire-type modified expanded perlite insulation
Plate；
(3) half-dried fire-type modified expanded perlite insulation board is sent in tunnel cave, closure of a tunnel kiln wicket, open
Biological particle burning machine processed and hot-air blower carry out heating curing to half-dried fire-type modified expanded perlite insulation board at 20 DEG C
24h；
(4) after heating curing terminates, start to be dried at 120 DEG C, be dried to fire-type modified expanded perlite insulation board
Water content is less than 5%, gets final product kiln discharge.
Embodiment 3
The fire-type modified expanded perlite insulation board of the present embodiment, including the component of following weight portion meter: cement 40 parts,
8 parts of flyash, propyl trimethoxy silicane 5 parts, polyacrylate dispersion 10 parts, silicon ash 5 parts, ash calcium 20 parts, 20 parts of Gypsum Fibrosum, change
Property expanded perlite 70 parts, dodecylbenzene sodium sulfonate 2.9 parts, additive 10 parts, quick lime 3 parts, PP fiber 0.5 part and water 20
Part.
Described additive includes the component of following weight portion meter: 35 parts of calcium sulfate, aluminium oxide 5 parts, carboxymethyl cellulose
5 parts of sodium, zinc phosphate 10 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 expanded place
Reason, makes perlite volumetric expansion 10 times, obtains expanded perlite, then lower the temperature, when temperature is down to 200 DEG C, to expanded pearlite
Rock sprays the propyl trimethoxy silicane of expanded perlite gross weight 10%, continues to be cooled to room temperature, crosses 30 mesh sieves, to obtain final product.
The production method of the fire-type modified expanded perlite insulation board of the present embodiment, comprises the following steps:
(1) flyash, additive, polyacrylate dispersion, silicon calcium grey, grey, Gypsum Fibrosum, PP fiber and quick lime are mixed also
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, adding propyl trimethoxy silicane and water, stirring is all
Even, under conditions of hydraulic press pressure is 50t, continuous mould pressing molding, obtain half-dried fire-type modified expanded perlite insulation
Plate；
(3) half-dried fire-type modified expanded perlite insulation board is sent in tunnel cave, closure of a tunnel kiln wicket, open
Biological particle burning machine processed and hot-air blower carry out heating curing to half-dried fire-type modified expanded perlite insulation board at 70 DEG C
10h；
(4) after heating curing terminates, start to be dried at 90 DEG C, be dried to fire-type modified expanded perlite insulation board and contain
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 modification
The intensity effect of expanded perlite thermal-nsulation 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
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 changing the temperature that sprays of propyl trimethoxy silicane, checking difference sprays temperature to be affected modified expanded perlite hydrophobicity,
The results are shown in Table 1.
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℃ | 98.8% |
| Xinyang Radix Cynanchi Paniculati | 150℃ | 99.2% |
| Xinyang Radix Cynanchi Paniculati | 100℃ | 99.0% |
Experimental example three
Using the fire-type modified expanded perlite insulation board of the present invention as experimental group, and use commercially available expanded perlite
Warming plate, as comparison, detects property indices, the results are shown in Table 3.
The property indices of table 3 fire-type of the present invention modified expanded perlite insulation board
Claims (10)
1. a fire-type modified expanded perlite insulation board, it is characterised in that include the component of following weight portion meter: cement
25-40 part, flyash 5-8 part, propyl trimethoxy silicane 2-5 part, polyacrylate dispersion 5-10 part, silicon ash 1-5 part, ash calcium
10-20 part, Gypsum Fibrosum 10-20 part, modified expanded perlite 50-70 part, dodecylbenzene sodium sulfonate 0.7-2.9 part, additive 5-
10 parts, quick lime 1-3 part, PP fiber 0.1-0.5 part and water 10-20 part.
Fire-type modified expanded perlite insulation board the most according to claim 1, it is characterised in that the type of described cement
Number it is PO52.5.
Fire-type modified expanded perlite insulation board the most according to claim 1, it is characterised in that described flyash
Fineness is 12% (R45), and loss on ignition is 5%, and sulfur trioxide content is 3%.
Fire-type modified expanded perlite insulation board the most according to claim 1, it is characterised in that described is modified expanded
Perlitic concrete preparation method 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, expanded perlite is sprayed expanded pearlite
The propyl trimethoxy silicane of rock gross weight 5-10%, continues to be cooled to room temperature, crosses 20-30 mesh sieve, to obtain final product.
Fire-type modified expanded perlite insulation board the most according to claim 1, it is characterised in that described additive bag
Include the component of following weight portion meter: calcium sulfate 25-35 part, aluminium oxide 2-5 part, sodium carboxymethyl cellulose 0.2-5 part, zinc phosphate 5-
10 parts and ferrum oxide 15-20 part.
Fire-type modified expanded perlite insulation board the most according to claim 1, it is characterised in that described PP fiber
A length of 12-16mm.
7. the production method of a fire-type modified expanded perlite insulation board as claimed in claim 1, it is characterised in that bag
Include following steps:
(1) flyash, additive, polyacrylate dispersion, silicon calcium grey, grey, Gypsum Fibrosum, PP fiber and quick lime are mixed and stirred for
Uniformly, 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 propyl trimethoxy silicane and water, stir,
Continuous mould pressing molding, obtains half-dried fire-type modified expanded perlite insulation board；
(3) half-dried fire-type modified expanded perlite insulation board is carried out heating curing；
(4) after heating curing terminates, start to be dried, be dried to fire-type modified expanded perlite insulation board water content less than 5%,
Get final product kiln discharge.
The production method of fire-type modified expanded perlite insulation board the most according to claim 7, it is characterised in that step
(2) equipment that in, continuous mould pressing molding is used is hydraulic press, and the pressure of hydraulic press is 50t.
The production method of fire-type modified expanded perlite insulation board the most according to claim 7, it is characterised in that step
(3) in, heat-cured temperature is 20-70 DEG C, and the time is 10-24h.
The production method of fire-type modified expanded perlite insulation board the most according to claim 7, it is characterised in that step
Suddenly the temperature being dried in (4) is 90-120 DEG C.
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