CN108033806A - A kind of preparation method of expanded perlite thermal-nsulation brick - Google Patents
A kind of preparation method of expanded perlite thermal-nsulation brick Download PDFInfo
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- CN108033806A CN108033806A CN201711363487.XA CN201711363487A CN108033806A CN 108033806 A CN108033806 A CN 108033806A CN 201711363487 A CN201711363487 A CN 201711363487A CN 108033806 A CN108033806 A CN 108033806A
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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
- C04B28/04—Portland cements
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
-
- 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
-
- 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
Abstract
The invention discloses a kind of preparation method of expanded perlite thermal-nsulation brick, belong to building material technical field.The present invention is by expanded perlite, cement, flyash, calcium bicarbonate, modified additive, water, silane coupling agent, modified cladding peanut shell powder, slag, urea, Arabic glue is placed in batch mixer, it is stirred, obtain mixed slurry, releasing agent is sprayed to die surface, then mixed slurry is injected in mould, then mould is placed in curing box, stand maintenance, the demoulding, obtain blank, blank is soaked in Bacillus pasteurii bacterium solution, constant temperature impregnates, take out, blank must be pre-processed, then pretreatment blank is placed in Muffle furnace, and in-furnace temperature is risen to 450~550 DEG C with 8~10 DEG C/min speed, after calcining 1~2h, room temperature is down to stove, up to expanded perlite thermal-nsulation brick.Expanded perlite thermal-nsulation brick provided by the invention has excellent heat-insulating property.
Description
Technical field
The invention discloses a kind of preparation method of expanded perlite thermal-nsulation brick, belong to building material technical field.
Background technology
Insulating brick, a kind of novel product of alternative ceramic tile, is primarily adapted for use in toilet, kitchen, television background wall, crouches
Room, exterior wall etc..And pattern is beautiful, multi-size, can arbitrarily cut, section is neat.Pearlite insulation brick is a kind of new builds
Build finishing material, have thermal conductivity factor is low, performance is stable, lightweight, fire prevention, nontoxic, tasteless excellent characteristic, can be widely applied to
Office building, hotel, hotel, shop, villa, fireproof heat insulating, sound insulation isolation, the partition wall of household private residence fitting-up engineering are built by laying bricks or stones
Non-load bearing wall, material used for filler wall；Apply also for boiler liner, hot wind inner lining of furnace, drying chamber, drying tunnel, flue, HVAC air passage, freezer
Deng to the higher place of fire protection requirement and position isolation material is kept the temperature as fire-proof and thermal-insulation.
Due to a variety of inorganic incombustible materials such as selection system expanded perlite, high temperature resistant binder, then through scientific formula and elder generation
It is prepared into technology, the A1 grades of fire-protection rating technologies as defined in National Fire construction material supervision and inspection that comply fully with refer to
Mark, more than 1100 DEG C of fire resisting high temperature；Pearlite insulation brick is particular about the toxin such as scientific formulation, no any chlorine formaldehyde due to selection and is released
Volatilization is put, complies fully with the safe level-one of flue gas toxity as defined in National Fire construction material supervision and inspection（AQ1）Technical requirements, are
Preferable household interior decoration partition wall builds safe and healthy thermal insulation material by laying bricks or stones；Good pearlite insulation brick does not use traditional oxidation
The halogen species such as magnesium magnesium chloride magnesite and the preparation process fallen behind, will not corrosion metals and timber, and possess fabulous waterproof and hate
Water-based energy and moisture-proof role；With traditional architecture with clay brick the novel and unique such as unrivaled light thermal-insulation superiority
Can, its superior intension quality and rational cost performance obtain the praise of fireproof heat insulating industry and decorations people from all walks of life.But
Be at present traditional insulating brick also there are heat-insulating property it is bad the problem of, therefore also need to study it.
The content of the invention
The present invention solves the technical problem of：For conventional vacuum brick heat-insulating property it is bad the problem of, there is provided one
The preparation method of kind expanded perlite thermal-nsulation brick.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
（1）Count in parts by weight, by 30~40 parts of expanded perlites, 20~30 parts of cement, 10~20 parts of flyash, 8~10 parts
Calcium bicarbonate, 8~10 parts of modified additives, 40~50 parts of water, 5~6 parts of silane coupling agents, 8~10 parts of modified cladding peanut shell powders
End, 8~10 parts of slags, 8~10 parts of urea, 8~10 parts of Arabic glues are stirred, and obtain mixed slurry；
（2）By mixed slurry injection molding, maintenance is stood, the demoulding, obtains blank；
（3）Blank is soaked in Bacillus pasteurii bacterium solution, after constant temperature impregnates 36~48h, is taken out, high-temperature calcination, up to swollen
Swollen pearlite insulation brick.
Step（1）The cement is Portland cement, any one in aluminate cement or sulfate cement.
Step（1）The preparation process of the modified additive is：Will（N- amidino groups）Dodecylacrylamide and polyethylene glycol
Derivative in mass ratio 1：1~2：1 mixing, and add the paracide of 0.1~0.2 times of polyethyleneglycol derivative quality and poly- second
The ferrocene that 0.07~0.10 times of diol, derivatives quality, is stirred, up to modified additive；The polyethyleneglycol derivative is
Any one in novel Y-shaped polyethylene glycol, multi-arm polyethylene glycol or methoxy poly (ethylene glycol).
Step（1）The silane coupling agent is silane resin acceptor kh-550, silane coupling agent KH-560 or silane coupling agent
Any one in KH-570.
Step（1）The preparation process of the modified cladding peanut shell powder is：Peanut shell dry, pulverize, obtain dry flower
Raw shell powder, by drying peanut shell powder and isocyanates by weight 1：30~1：50 are stirred, and filtering, must pre-process flower
Raw shell powder, by pretreatment peanut shell powder and paraffin ball milling mixing, is modified cladding peanut shell powder to obtain the final product；The isocyanates
It is any one in dicyclohexyl methyl hydride diisocyanate or hexamethylene diisocyanate for methyl diphenylene diisocyanate
Kind.
Step（1）The slag is blast-furnace cinder, any one in granulated blast-furnace slag or mineral wool.
Step（1）It is described Arab glue preparation process be：By gummi arabicum pulveratum and water in mass ratio 1：50~1：100
After mixing stands swelling, heating stirring dissolving, up to Arabic glue.
Step（3）The Bacillus pasteurii bacterium solution is formed by the raw material configuration of following parts by weight：80~100 parts are gone
Ionized water, 4~6 parts of Bacillus pasteuriis, 10~15 parts of glycerine, 8~10 parts of ethylene glycol.
The beneficial effects of the invention are as follows：
（1）The present invention is by adding modified additive and calcium bicarbonate, and first, hydrated cementitious heat release, decomposes calcium bicarbonate heat,
Generation carbon dioxide and calcium carbonate, the carbon dioxide of generation play good foaming effect, and secondly, modified additive has amphiphilic
Property, i.e. polyethylene glycol segment is hydrophilic, and gathers（N- amidino groups）Dodecylacrylamide segment is hydrophobic, and such block copolymer exists
In system, with amidine group interaction, which occurs, for carbon dioxide can be self-assembly of vesica, and vesica is dispersed in system, meanwhile,
Carbon dioxide carries calcium carbonate to vesica film surface, plays the role of supporting vesica, after system curing, cavity that vesica is formed
Stay in system, so as to lift the porosity of system, further improve the heat-insulating property of system；
（2）The present invention is by adding Bacillus pasteurii bacterium solution and urea, and first, Bacillus pasteurii is in metabolic processes
Urase is produced, urea can be decomposed generation carbanion by urase, secondly as Bacillus pasteurii cell wall is negatively charged
Lotus, the calcium ion in system, so that using cell as nucleus, be able to can be generated by Bacillus pasteurii Adsorption on cell walls around bacterium
Nano-calcium carbonate, the nano-calcium carbonate of generation kill Bacillus pasteurii, form nano-sized carbon under the high temperature conditions as supporter
Sour calcium tiny balloon, forms nano-calcium carbonate tiny balloon and is filled in system, the porosity of system is further enhanced, so as to carry
The heat-insulating property of the system of liter, in addition, in dipping process, Bacillus pasteurii metabolism produces carbon dioxide, the titanium dioxide of generation
Carbon can promote modified additive to form vesica, further lift the porosity of system, so as to further lift the heat-insulating property of system.
Embodiment
Will（N- amidino groups）Dodecylacrylamide and polyethyleneglycol derivative in mass ratio 1：1~2：1 is placed in No. 1 beaker
In, and add into No. 1 beaker the paracide and polyethyleneglycol derivative matter of 0.1~0.2 times of polyethyleneglycol derivative quality
The ferrocene of 0.07~0.10 times of amount, under the conditions of rotating speed is 300~500r/min, is stirred 30~50min, up to modified
Auxiliary agent；Peanut shell is placed in baking oven, it is dry to constant weight under the conditions of temperature is 105~110 DEG C, drying peanut shell is obtained, then
Drying peanut shell is crushed, obtains drying peanut shell powder, by drying peanut shell powder and isocyanates by weight 1：30~1：
50 are placed in No. 2 beakers, under the conditions of rotating speed is 300~500r/min, is stirred 30~50min, obtains peanut shell powder and mix
Liquid is closed, then peanut shell powder mixed liquor is filtered, peanut shell powder must be pre-processed, pretreatment peanut shell powder is placed in paraffin
In ball mill, ball milling mixing, up to modified cladding peanut shell powder；Count in parts by weight, by 80~100 parts of deionized waters, 4~
6 parts of Bacillus pasteuriis, 10~15 parts of glycerine, 8~10 parts of ethylene glycol are placed in No. 3 beakers, in rotating speed be 300~500r/min
Under the conditions of, 30~50min is stirred, up to Bacillus pasteurii bacterium solution；By gummi arabicum pulveratum and water in mass ratio 1：50~
1：100 add in No. 4 beakers, after being stirred 20~30min with glass bar, stand 3~4h of swelling, then No. 4 beakers are moved into
Digital display tests the speed constant temperature blender with magnetic force, is 95~100 DEG C in temperature, under the conditions of rotating speed is 400~500r/min, heating stirring is molten
40~50min is solved, up to Arabic glue；Count in parts by weight, by 30~40 parts of expanded perlites, 20~30 parts of cement, 10
~20 parts of flyash, 8~10 parts of calcium bicarbonates, 8~10 parts of modified additives, 40~50 parts of water, 5~6 parts of silane coupling agents, 8~
10 parts of modified cladding peanut shell powder, 8~10 parts of slags, 8~10 parts of urea, 8~10 parts of Arabic glues are placed in batch mixer,
Under the conditions of rotating speed is 100~200r/min, 30~50min is stirred, obtains mixed slurry, sprayed and demould to die surface
Agent, then by mixed slurry inject mould in, then mould is placed in curing box, in temperature be 28~32 DEG C, humidity 70
Under the conditions of~80%, after standing 18~24h of maintenance, the demoulding, obtains blank, blank is soaked in Bacillus pasteurii bacterium solution, constant temperature
After impregnating 36~48h, take out, obtain pretreatment blank, then pretreatment blank is placed in Muffle furnace, and with 8~10 DEG C/min
In-furnace temperature is risen to 450~500 DEG C by speed, after calcining 1~2h, room temperature is down to stove, up to expanded perlite thermal-nsulation brick.Institute
It is Portland cement to state cement, any one in aluminate cement or sulfate cement.The polyethyleneglycol derivative
Any one for novel Y-shaped polyethylene glycol, in multi-arm polyethylene glycol or methoxy poly (ethylene glycol).The silane coupling agent is silicon
Any one in alkane coupling agent KH-550, silane coupling agent KH-560 or Silane coupling reagent KH-570.The isocyanates is
Any one in methyl diphenylene diisocyanate, dicyclohexyl methyl hydride diisocyanate or hexamethylene diisocyanate.
The slag is blast-furnace cinder, any one in granulated blast-furnace slag or mineral wool.The releasing agent is by aqueous dimethylformamide silicone oil
With water in mass ratio 1：20~1：30 mixed preparings form.
Example 1
Will（N- amidino groups）Dodecylacrylamide and polyethyleneglycol derivative in mass ratio 2：1 is placed in No. 1 beaker, and to 1
The paracide of 0.2 times of polyethyleneglycol derivative quality and two cyclopentadienyls of 0.10 times of polyethyleneglycol derivative quality are added in number beaker
Iron, under the conditions of rotating speed is 500r/min, is stirred 50min, up to modified additive；Peanut shell is placed in baking oven, Yu Wen
Spend under the conditions of 110 DEG C, it is dry to constant weight, drying peanut shell is obtained, then crushes drying peanut shell, obtains drying peanut shell powder
End, by drying peanut shell powder and isocyanates by weight 1：50 are placed in No. 2 beakers, in rotating speed be 500r/min conditions
Under, 50min is stirred, obtains peanut shell powder mixed liquor, then peanut shell powder mixed liquor is filtered, obtain pretreatment peanut shell powder
End, pretreatment peanut shell powder is placed in ball mill with paraffin, ball milling mixing, up to modified cladding peanut shell powder；By weight
Number meter is measured, 100 parts of deionized waters, 6 parts of Bacillus pasteuriis, 15 parts of glycerine, 10 parts of ethylene glycol are placed in No. 3 beakers, in
Under the conditions of rotating speed is 500r/min, 50min is stirred, up to Bacillus pasteurii bacterium solution；Gummi arabicum pulveratum and water are pressed into matter
Measure ratio 1：100 add in No. 4 beakers, after being stirred 30min with glass bar, stand swelling 4h, then No. 4 beakers are moved into digital display
Test the speed constant temperature blender with magnetic force, is 100 DEG C in temperature, under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min, to obtain the final product
Arabic glue；Count in parts by weight, by 40 parts of expanded perlites, 30 parts of cement, 20 parts of flyash, 10 parts of calcium bicarbonates, 10
Part modified additive, 50 parts of water, 6 parts of silane coupling agents, 10 parts of modified cladding peanut shell powder, 10 parts of slags, 10 parts of urea, 10 parts
Arabic glue is placed in batch mixer, under the conditions of rotating speed is 200r/min, is stirred 50min, is obtained mixed slurry, to mould
Surface spray releasing agent, then by mixed slurry inject mould in, then mould is placed in curing box, in temperature be 32 DEG C,
Under the conditions of humidity is 80%, after standing maintenance 24h, the demoulding, obtains blank, blank is soaked in Bacillus pasteurii bacterium solution, constant temperature
After impregnating 48h, take out, obtain pretreatment blank, then pretreatment blank is placed in Muffle furnace, and with 10 DEG C/min speed by stove
Interior temperature rises to 500 DEG C, after calcining 2h, room temperature is down to stove, up to expanded perlite thermal-nsulation brick.The cement is common silicic acid
Salt cement.The polyethyleneglycol derivative is novel Y-shaped polyethylene glycol.The silane coupling agent is silane resin acceptor kh-550.
The isocyanates is methyl diphenylene diisocyanate.The slag is blast-furnace cinder.The releasing agent is by aqueous dimethylformamide silicon
Oil and water in mass ratio 1：30 mixed preparings form.
Example 2
Will（N- amidino groups）Dodecylacrylamide and polyethyleneglycol derivative in mass ratio 2：1 is placed in No. 1 beaker, and to 1
The paracide of 0.2 times of polyethyleneglycol derivative quality and two cyclopentadienyls of 0.10 times of polyethyleneglycol derivative quality are added in number beaker
Iron, under the conditions of rotating speed is 500r/min, is stirred 50min, up to modified additive；Peanut shell is placed in baking oven, Yu Wen
Spend under the conditions of 110 DEG C, it is dry to constant weight, drying peanut shell is obtained, then crushes drying peanut shell, obtains drying peanut shell powder
End, by drying peanut shell powder and isocyanates by weight 1：50 are placed in No. 2 beakers, in rotating speed be 500r/min conditions
Under, 50min is stirred, obtains peanut shell powder mixed liquor, then peanut shell powder mixed liquor is filtered, obtain pretreatment peanut shell powder
End, pretreatment peanut shell powder is placed in ball mill with paraffin, ball milling mixing, up to modified cladding peanut shell powder；By weight
Number meter is measured, 100 parts of deionized waters, 6 parts of Bacillus pasteuriis, 15 parts of glycerine, 10 parts of ethylene glycol are placed in No. 3 beakers, in
Under the conditions of rotating speed is 500r/min, 50min is stirred, up to Bacillus pasteurii bacterium solution；Gummi arabicum pulveratum and water are pressed into matter
Measure ratio 1：100 add in No. 4 beakers, after being stirred 30min with glass bar, stand swelling 4h, then No. 4 beakers are moved into digital display
Test the speed constant temperature blender with magnetic force, is 100 DEG C in temperature, under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min, to obtain the final product
Arabic glue；Count in parts by weight, by 40 parts of expanded perlites, 30 parts of cement, 20 parts of flyash, 10 parts of modified additives, 50
Part water, 6 parts of silane coupling agents, 10 parts of modified cladding peanut shell powder, 10 parts of slags, 10 parts of urea, 10 parts of Arabic glues are put
In batch mixer, under the conditions of rotating speed is 200r/min, 50min is stirred, obtains mixed slurry, sprayed and demould to die surface
Agent, mixed slurry is then injected in mould, then mould is placed in curing box, is 32 DEG C in temperature, humidity is 80% condition
Under, after standing maintenance 24h, the demoulding, obtains blank, blank is soaked in Bacillus pasteurii bacterium solution, after constant temperature dipping 48h, takes
Go out, obtain pretreatment blank, then pretreatment blank is placed in Muffle furnace, and risen to in-furnace temperature with 10 DEG C/min speed
500 DEG C, after calcining 2h, room temperature is down to stove, up to expanded perlite thermal-nsulation brick.The cement is Portland cement.Institute
It is novel Y-shaped polyethylene glycol to state polyethyleneglycol derivative.The silane coupling agent is silane resin acceptor kh-550.The isocyanic acid
Ester is methyl diphenylene diisocyanate.The slag is blast-furnace cinder.The releasing agent presses matter by aqueous dimethylformamide silicone oil and water
Measure ratio 1：30 mixed preparings form.
Example 3
Peanut shell is placed in baking oven, it is dry to constant weight under the conditions of temperature is 110 DEG C, drying peanut shell is obtained, then by drying
Peanut shell crushes, and obtains drying peanut shell powder, by drying peanut shell powder and isocyanates by weight 1：50 are placed in No. 2 beakers
In, under the conditions of rotating speed is 500r/min, 50min is stirred, obtains peanut shell powder mixed liquor, then peanut shell powder is mixed
Liquid filters, and must pre-process peanut shell powder, pretreatment peanut shell powder is placed in ball mill with paraffin, ball milling mixing, to obtain the final product
Modified cladding peanut shell powder；Count in parts by weight, by 100 parts of deionized waters, 6 parts of Bacillus pasteuriis, 15 parts of glycerine, 10 parts
Ethylene glycol is placed in No. 3 beakers, under the conditions of rotating speed is 500r/min, 50min is stirred, up to Bacillus pasteurii bacterium
Liquid；By gummi arabicum pulveratum and water in mass ratio 1：100 add in No. 4 beakers, after being stirred 30min with glass bar, stand molten
Swollen 4h, then No. 4 beakers are moved into digital displays and are tested the speed constant temperature blender with magnetic force, it is 100 DEG C in temperature, rotating speed is 500r/min conditions
Under, heating stirring dissolving 50min, up to Arabic glue；Count in parts by weight, by 40 parts of expanded perlites, 30 parts of cement, 20
Part flyash, 10 parts of calcium bicarbonates, 50 parts of water, 6 parts of silane coupling agents, 10 parts of modified cladding peanut shell powder, 10 parts of slags, 10
Part urea, 10 parts of Arabic glues are placed in batch mixer, under the conditions of rotating speed is 200r/min, is stirred 50min, must mix
Slurry, sprays releasing agent to die surface, then injects in mould mixed slurry, then mould is placed in curing box, in
Temperature is 32 DEG C, and under the conditions of humidity is 80%, after standing maintenance 24h, the demoulding, obtains blank, blank is soaked in Bacillus pasteurii
In bacterium solution, constant temperature dipping 48h after, take out, obtain pretreatment blank, then will pretreatment blank be placed in Muffle furnace, and with 10 DEG C/
In-furnace temperature is risen to 500 DEG C by min speed, after calcining 2h, room temperature is down to stove, up to expanded perlite thermal-nsulation brick.The water
Mud is Portland cement.The polyethyleneglycol derivative is novel Y-shaped polyethylene glycol.The silane coupling agent is even for silane
Join agent KH-550.The isocyanates is methyl diphenylene diisocyanate.The slag is blast-furnace cinder.The releasing agent by
Aqueous dimethylformamide silicone oil and water in mass ratio 1：30 mixed preparings form.
Example 4
Will（N- amidino groups）Dodecylacrylamide and polyethyleneglycol derivative in mass ratio 2：1 is placed in No. 1 beaker, and to 1
The paracide of 0.2 times of polyethyleneglycol derivative quality and two cyclopentadienyls of 0.10 times of polyethyleneglycol derivative quality are added in number beaker
Iron, under the conditions of rotating speed is 500r/min, is stirred 50min, up to modified additive；Count in parts by weight, by 100 parts go from
Sub- water, 6 parts of Bacillus pasteuriis, 15 parts of glycerine, 10 parts of ethylene glycol are placed in No. 3 beakers, under the conditions of rotating speed is 500r/min,
50min is stirred, up to Bacillus pasteurii bacterium solution；By gummi arabicum pulveratum and water in mass ratio 1：100 add No. 4 beakers
In, after being stirred 30min with glass bar, stand swelling 4h, then No. 4 beakers are moved into digital displays and are tested the speed constant temperature blender with magnetic force,
It it is 100 DEG C in temperature, under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min, up to Arabic glue；By weight
Number meter, by 40 parts of expanded perlites, 30 parts of cement, 20 parts of flyash, 10 parts of calcium bicarbonates, 10 parts of modified additives, 50 parts of water, 6
Part silane coupling agent, 10 parts of slags, 10 parts of urea, 10 parts of Arabic glues are placed in batch mixer, in rotating speed be 200r/min bars
Under part, 50min is stirred, obtains mixed slurry, releasing agent is sprayed to die surface, then injects mixed slurry in mould,
Then mould is placed in curing box, is 32 DEG C in temperature, under the conditions of humidity is 80%, after standing maintenance 24h, the demoulding, obtains base
Material, blank is soaked in Bacillus pasteurii bacterium solution, after constant temperature dipping 48h, is taken out, is obtained pretreatment blank, will then locate in advance
Reason blank is placed in Muffle furnace, and in-furnace temperature is risen to 500 DEG C with 10 DEG C/min speed, and after calcining 2h, room temperature is down to stove,
Up to expanded perlite thermal-nsulation brick.The cement is Portland cement.The polyethyleneglycol derivative is the poly- second of novel Y-shaped
Glycol.The silane coupling agent is silane resin acceptor kh-550.The isocyanates is methyl diphenylene diisocyanate.It is described
Slag is blast-furnace cinder.The releasing agent is by aqueous dimethylformamide silicone oil and water in mass ratio 1：30 mixed preparings form.
Comparative example：The insulating brick of Changzhou Building Materials Factory production.
The gained of example 1 to 4 insulating brick and comparative example product are subjected to performance detection, specific detection method is as follows：
The thermal conductivity factor of above-mentioned insulating brick is detected, specific testing result is as shown in table 1：
Table 1
| Detection content | Example 1 | Example 2 | Example 3 | Example 4 | Comparative example |
| Thermal conductivity factor/W/（m·K） | 0.401 | 0.480 | 0.506 | 0.512 | 0.591 |
From 1 testing result of table, expanded perlite thermal-nsulation brick provided by the invention has excellent heat-insulating property.
Claims (8)
1. a kind of preparation method of expanded perlite thermal-nsulation brick, it is characterised in that specific preparation process is as follows：
（1）Count in parts by weight, by 30~40 parts of expanded perlites, 20~30 parts of cement, 10~20 parts of flyash, 8~10 parts
Calcium bicarbonate, 8~10 parts of modified additives, 40~50 parts of water, 5~6 parts of silane coupling agents, 8~10 parts of modified cladding peanut shell powders
End, 8~10 parts of slags, 8~10 parts of urea, 8~10 parts of Arabic glues are stirred, and obtain mixed slurry；
（2）By mixed slurry injection molding, maintenance is stood, the demoulding, obtains blank；
（3）Blank is soaked in Bacillus pasteurii bacterium solution, after constant temperature impregnates 36~48h, is taken out, high-temperature calcination, up to swollen
Swollen pearlite insulation brick.
A kind of 2. preparation method of expanded perlite thermal-nsulation brick according to claim 1, it is characterised in that：Step（1）It is described
Cement is Portland cement, any one in aluminate cement or sulfate cement.
A kind of 3. preparation method of expanded perlite thermal-nsulation brick according to claim 1, it is characterised in that：Step（1）It is described
The preparation process of modified additive is：Will（N- amidino groups）Dodecylacrylamide and polyethyleneglycol derivative in mass ratio 1：1~
2：1 mixing, and add the paracide and polyethyleneglycol derivative quality 0.07 of 0.1~0.2 times of polyethyleneglycol derivative quality
~0.10 times of ferrocene, is stirred, up to modified additive；The polyethyleneglycol derivative is novel Y-shaped polyethylene glycol, more
Any one in arm polyethylene glycol or methoxy poly (ethylene glycol).
A kind of 4. preparation method of expanded perlite thermal-nsulation brick according to claim 1, it is characterised in that：Step（1）It is described
Silane coupling agent is silane resin acceptor kh-550, any one in silane coupling agent KH-560 or Silane coupling reagent KH-570.
A kind of 5. preparation method of expanded perlite thermal-nsulation brick according to claim 1, it is characterised in that：Step（1）It is described
The preparation process of modified cladding peanut shell powder is：Peanut shell dry, pulverize, drying peanut shell powder is obtained, by drying peanut
Shell powder is with isocyanates by weight 1：30~1：50 are stirred, and filtering, must pre-process peanut shell powder, and pretreatment is spent
Raw shell powder and paraffin ball milling mixing, up to modified cladding peanut shell powder；The isocyanates is two isocyanide of diphenyl methane
Any one in acid esters, dicyclohexyl methyl hydride diisocyanate or hexamethylene diisocyanate.
A kind of 6. preparation method of expanded perlite thermal-nsulation brick according to claim 1, it is characterised in that：Step（1）It is described
Slag is blast-furnace cinder, any one in granulated blast-furnace slag or mineral wool.
A kind of 7. preparation method of expanded perlite thermal-nsulation brick according to claim 1, it is characterised in that：Step（1）It is described
The preparation process of Arabic glue is：By gummi arabicum pulveratum and water in mass ratio 1：50~1：After 100 mixing stand swelling, heating
Stirring and dissolving, up to Arabic glue.
A kind of 8. preparation method of expanded perlite thermal-nsulation brick according to claim 1, it is characterised in that：Step（3）It is described
Bacillus pasteurii bacterium solution is formed by the raw material configuration of following parts by weight：80~100 parts of deionized waters, 4~6 parts of Pasteur's buds
Spore bacillus, 10~15 parts of glycerine, 8~10 parts of ethylene glycol.
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| CN108467280A (en) * | 2018-06-19 | 2018-08-31 | 佛山腾鲤新能源科技有限公司 | A kind of solar energy heat preserving and insulating material |
| CN108484055A (en) * | 2018-05-30 | 2018-09-04 | 周晓东 | A kind of cement-based waterproof thermal insulation board |
| CN108530179A (en) * | 2018-05-31 | 2018-09-14 | 佛山市高明区爪和新材料科技有限公司 | A kind of preparation method of control release type fertilizer |
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| CN108439948A (en) * | 2018-06-05 | 2018-08-24 | 唐林元 | A kind of preparation method of porous ceramics thermal insulation board |
| CN108467280A (en) * | 2018-06-19 | 2018-08-31 | 佛山腾鲤新能源科技有限公司 | A kind of solar energy heat preserving and insulating material |
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| CN108774075A (en) * | 2018-08-27 | 2018-11-09 | 湖州德海新型建材有限公司 | A kind of insulating brick and production method of not cracky |
| CN109896799A (en) * | 2019-02-25 | 2019-06-18 | 吴亚琴 | A kind of preparation method of expanded and vitrified small ball building block |
| CN110040938A (en) * | 2019-03-11 | 2019-07-23 | 南京思宇环保科技有限公司 | A kind of Organic-inorganic composite sludge dehydration conditioner |
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