CN107352866A - A kind of preparation method for wall autoclave aerated concrete building block - Google Patents

A kind of preparation method for wall autoclave aerated concrete building block Download PDF

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Publication number
CN107352866A
CN107352866A CN201710523432.4A CN201710523432A CN107352866A CN 107352866 A CN107352866 A CN 107352866A CN 201710523432 A CN201710523432 A CN 201710523432A CN 107352866 A CN107352866 A CN 107352866A
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China
Prior art keywords
castor
parts
oil plant
building block
plant fiber
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Pending
Application number
CN201710523432.4A
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Chinese (zh)
Inventor
石玉伟
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TONGLING FENGZE BUILDING MATERIALS TECHNOLOGY Co Ltd
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TONGLING FENGZE BUILDING MATERIALS TECHNOLOGY Co Ltd
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Priority to CN201710523432.4A priority Critical patent/CN107352866A/en
Publication of CN107352866A publication Critical patent/CN107352866A/en
Pending legal-status Critical Current

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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
    • C04B28/001—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 unburned clay
    • 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
    • C04B20/02—Treatment
    • C04B20/023—Chemical treatment
    • 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
    • C04B2111/52—Sound-insulating 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
    • C04B2201/20—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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

The invention discloses a kind of preparation method for wall autoclave aerated concrete building block, comprise the following steps：Useless brick powder, gangue, mullite mixing are added into pretreatment castor-oil plant fiber, grinding is uniform, adds talcum powder, hydrogen peroxide, foam stabilizer and bentonite and is uniformly mixing to obtain mixed material；Mixed material is heated up and stirred, is rested, steam pressure obtains being not easy hollowing autoclave aerated concrete building block.Castor-oil plant fiber is pre-processed to prepare by following technique：Enuatrol, triethanolamine, water are mixed, heating stirring, chloroplatinic acid aqueous solution is added dropwise, continues to stir, castor-oil plant fiber, dimethyl itaconate mixing is added, heating stirring, filters, washing, be dried to obtain pretreatment castor-oil plant fiber.

Description

A kind of preparation method for wall autoclave aerated concrete building block
Technical field
The present invention relates to technical field of buildings, more particularly to a kind of preparation side for wall autoclave aerated concrete building block Method.
Background technology
Autoclave aerated concrete building block is a kind of light porous novel wall material, can be fabricated to walling unit, wall The products such as plate, floor, roof boarding, warming plate and insulating tube.Autoclave aerated concrete building block is widely used in China at present Industry and civil buildings, as the structural material of load-bearing or non-bearing and insulation material is gone along with sb. to guard him, turns into the one of novel wall material Individual important component.Existing autoclave aerated concrete building block is more using gangue as primary raw material, is additionally equipped with talcum powder, Mo Lai The raw materials such as stone, aqueous hydrogen peroxide.But the autoclave aerated concrete building block formula of existing production method production closes not to the utmost Reason, cause product strength poor, quality weight, sound-absorbing, soundproof effect are bad, and be incubated, heat-proof quality it is also not fully up to expectations.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes one kind and is used for wall autoclave aerated concrete building block Preparation method, gained autoclave aerated concrete building block porosity is high, and intensity is high, not easy to crack and form hollowing, sound insulation Effect of heat insulation is good.
A kind of preparation method for wall autoclave aerated concrete building block proposed by the present invention, comprises the following steps：
S1, useless brick powder, gangue, mullite mixing are added into pretreatment castor-oil plant fiber, grinding is uniform, adds talcum Powder, hydrogen peroxide, foam stabilizer and bentonite are uniformly mixing to obtain mixed material；
S2, mixed material is heated up and stirred, rested, steam pressure obtains being not easy hollowing autoclave aerated concrete building block.
Preferably, in S1, pretreatment castor-oil plant fiber, useless brick powder, gangue, mullite, talcum powder, hydrogen peroxide, foam stabilizing Agent, bentonitic weight ratio are 50-60：60-70：10-20：18-25：6-18：20-25：2-4：10-16.
Preferably, in S1, pretreatment castor-oil plant fiber is prepared by following technique：Enuatrol, triethanolamine, water are mixed, risen Temperature stirring, is added dropwise chloroplatinic acid aqueous solution, continues to stir, addition castor-oil plant fiber, dimethyl itaconate mixing, heating stirring, filtering, Washing, it is dried to obtain pretreatment castor-oil plant fiber.
Preferably, in S1, pretreatment castor-oil plant fiber is prepared by following technique：By weight by 10-20 parts enuatrol, 1-2 Part triethanolamine, the mixing of 80-120 parts water, heating stirring, are added dropwise chloroplatinic acid water of 4-6 parts concentration for 0.002-0.003mol/L Solution, continue to stir, add 30-40 part castor-oil plants fiber, the mixing of 4-8 parts dimethyl itaconate, heating stirring, filter, wash, do It is dry to obtain pre-processing castor-oil plant fiber.
Preferably, in S1, pretreatment castor-oil plant fiber is prepared by following technique：By weight by 10-20 parts enuatrol, 1-2 Part triethanolamine, the mixing of 80-120 parts water, 70-78 DEG C of stirring 2-4h is warming up to, it is 0.002- that 4-6 parts concentration, which is added dropwise, 0.003mol/L chloroplatinic acid aqueous solution, continue to stir 20-40min, add 30-40 part castor-oil plants fiber, 4-8 part itaconic acid diformazans Ester mixes, and is warming up to 80-88 DEG C of stirring 4-6h, filters, washing, is dried to obtain pretreatment castor-oil plant fiber.
Preferably, in S2, mixed material is warming up to 45-55 DEG C of stirring 30-50min, rest 4-8h, 300-360 DEG C of steaming 5-7h is pressed, obtains being not easy hollowing autoclave aerated concrete building block.
The pretreatment castor-oil plant fiber of the present invention is using chloroplatinic acid as initial reactant, and enuatrol is surfactant, three ethanol Amine is reducing agent, and oleate ions have preferably modification to the surface of metal nano ion, and can effectively be attached to castor-oil plant fibre Dimension table face, and the active anhydride group in dimethyl itaconate molecule and the hydroxyl reaction of castor-oil plant fiber surface, can reduce castor-oil plant fiber Surface polarity, improve surface hydrophobic, so as to strengthen the interface compatibility of castor-oil plant fiber and useless brick powder, gangue, mullite, Coordinate, as air-entrainment, makes concrete segment produce a large amount of uniform and tiny stomatas, adds hole using using hydrogen peroxide Gap rate, promotes slurry to expand, and supports slurry weight, and gained autoclave aerated concrete building block intensity is high, not easy to crack and shape Into hollowing, sound-insulating and heat-insulating effect is good.
The averag density of gained autoclave aerated concrete building block of the invention is 440-480kg/m3, cubic compressive strength 6.0-6.4Mpa, standard law drying shrinkage value 0.28-0.30mm/m, thermal conductivity factor 0.14-0.20W/mK, wall sound insulation effect Fruit can reduce 88-92 decibels, and its combination property is better than the like product with traditional handicraft and formula manufacture.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method for wall autoclave aerated concrete building block, comprise the following steps：
S1, useless brick powder, gangue, mullite mixing are added into pretreatment castor-oil plant fiber, grinding is uniform, adds talcum Powder, hydrogen peroxide, foam stabilizer and bentonite are uniformly mixing to obtain mixed material；
S2, mixed material is heated up and stirred, rested, steam pressure obtains being not easy hollowing autoclave aerated concrete building block.
Embodiment 2
A kind of preparation method for wall autoclave aerated concrete building block, comprise the following steps：
S1, by weight 70 parts of useless brick powder of addition, 10 parts of gangues, 25 parts of mullites into 50 parts of pretreatment castor-oil plant fibers Mixing, grinding is uniform, and 6 parts of talcum powder of addition, 25 parts of hydrogen peroxide, 2 portions of foam stabilizers and 16 parts of bentonites are uniformly mixing to obtain mixed Compound material；
S2, mixed material is warming up to 45 DEG C of stirring 50min, rest 4h, 360 DEG C of steam pressure 5h, obtains being not easy hollowing steam pressure Air-entrained concrete building block.
Embodiment 3
A kind of preparation method for wall autoclave aerated concrete building block, comprise the following steps：
S1, by weight 60 parts of useless brick powder of addition, 20 parts of gangues, 18 parts of mullites into 60 parts of pretreatment castor-oil plant fibers Mixing, grinding is uniform, and 18 parts of talcum powder of addition, 20 parts of hydrogen peroxide, 4 portions of foam stabilizers and 10 parts of bentonites are uniformly mixing to obtain mixed Compound material；
Castor-oil plant fiber is pre-processed to prepare by following technique：Enuatrol, triethanolamine, water are mixed, heating stirring, chlorine is added dropwise The platinic acid aqueous solution, continue to stir, add castor-oil plant fiber, dimethyl itaconate mixing, heating stirring, filter, washing, be dried to obtain Pre-process castor-oil plant fiber；
S2, mixed material is warming up to 55 DEG C of stirring 30min, rest 8h, 300 DEG C of steam pressure 7h, obtains being not easy hollowing steam pressure Air-entrained concrete building block.
Embodiment 4
A kind of preparation method for wall autoclave aerated concrete building block, comprise the following steps：
S1, by weight 68 parts of useless brick powder of addition, 12 parts of gangues, 23 parts of mullites into 52 parts of pretreatment castor-oil plant fibers Mixing, grinding is uniform, adds 10 parts of talcum powder, 24 parts of hydrogen peroxide, 2.5 portions of foam stabilizers and 14 parts of bentonites and is uniformly mixing to obtain Mixed material；
Castor-oil plant fiber is pre-processed to prepare by following technique：By weight by 15 parts of enuatrols, 1.5 parts of triethanolamines, 100 parts Water mixes, and heating stirring, the chloroplatinic acid aqueous solution that 5 parts of concentration are 0.0025mol/L is added dropwise, continues to stir, adds 35 portions of castor-oil plants Fiber, 6 parts of dimethyl itaconate mixing, heating stirring, filter, washing, are dried to obtain pretreatment castor-oil plant fiber；
S2, mixed material is warming up to 48 DEG C of stirring 45min, rest 5h, 340 DEG C of steam pressure 5.5h, obtains being not easy hollowing steaming Pressing aero-concrete building block.
Embodiment 5
A kind of preparation method for wall autoclave aerated concrete building block, comprise the following steps：
S1, by weight 62 parts of useless brick powder of addition, 18 parts of gangues, 20 parts of mullites into 58 parts of pretreatment castor-oil plant fibers Mixing, grinding is uniform, adds 14 parts of talcum powder, 22 parts of hydrogen peroxide, 3.5 portions of foam stabilizers and 12 parts of bentonites and is uniformly mixing to obtain Mixed material；
Castor-oil plant fiber is pre-processed to prepare by following technique：By weight by 10 parts of enuatrols, 2 parts of triethanolamines, 80 parts of water Mixing, 78 DEG C of stirring 2h are warming up to, the chloroplatinic acid aqueous solution that 6 parts of concentration are 0.002mol/L is added dropwise, continues to stir 40min, adds Enter 30 parts of castor-oil plant fibers, 8 parts of dimethyl itaconate mixing, be warming up to 80 DEG C of stirring 6h, filter, washing, be dried to obtain pretreatment Castor-oil plant fiber；
S2, mixed material is warming up to 52 DEG C of stirring 35min, rest 7h, 320 DEG C of steam pressure 6.5h, obtains being not easy hollowing steaming Pressing aero-concrete building block.
Embodiment 6
A kind of preparation method for wall autoclave aerated concrete building block, comprise the following steps：
S1, by weight 65 parts of useless brick powder of addition, 15 parts of gangues, 22 parts of mullites into 55 parts of pretreatment castor-oil plant fibers Mixing, grinding is uniform, and 12 parts of talcum powder of addition, 23 parts of hydrogen peroxide, 3 portions of foam stabilizers and 13 parts of bentonites are uniformly mixing to obtain mixed Compound material；
Castor-oil plant fiber is pre-processed to prepare by following technique：By weight by 20 parts of enuatrols, 1 part of triethanolamine, 120 parts of water Mixing, 70 DEG C of stirring 4h are warming up to, the chloroplatinic acid aqueous solution that 4 parts of concentration are 0.003mol/L is added dropwise, continues to stir 20min, adds Enter 40 parts of castor-oil plant fibers, 4 parts of dimethyl itaconate mixing, be warming up to 88 DEG C of stirring 4h, filter, washing, be dried to obtain pretreatment Castor-oil plant fiber；
S2, mixed material is warming up to 50 DEG C of stirring 40min, rest 6h, 330 DEG C of steam pressure 6h, obtains being not easy hollowing steam pressure Air-entrained concrete building block.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.

Claims (6)

1. a kind of preparation method for wall autoclave aerated concrete building block, it is characterised in that comprise the following steps：
S1, useless brick powder, gangue, mullite mixing are added into pretreatment castor-oil plant fiber, grinding is uniform, adds talcum powder, mistake Hydrogen oxide, foam stabilizer and bentonite are uniformly mixing to obtain mixed material；
S2, mixed material is heated up and stirred, rested, steam pressure obtains being not easy hollowing autoclave aerated concrete building block.
2. it is used for the preparation method of wall autoclave aerated concrete building block according to claim 1, it is characterised in that in S1, Pretreatment castor-oil plant fiber, useless brick powder, gangue, mullite, talcum powder, hydrogen peroxide, foam stabilizer, bentonitic weight ratio are 50-60：60-70：10-20：18-25：6-18：20-25：2-4：10-16.
3. the preparation method according to claim 1 or claim 2 for wall autoclave aerated concrete building block, it is characterised in that S1 In, pretreatment castor-oil plant fiber is prepared by following technique：Enuatrol, triethanolamine, water are mixed, heating stirring, chloroplatinic acid is added dropwise The aqueous solution, continue to stir, add castor-oil plant fiber, dimethyl itaconate mixing, heating stirring, filter, washing, be dried to obtain pre- place Manage castor-oil plant fiber.
4. being used for the preparation method of wall autoclave aerated concrete building block according to claim any one of 1-3, its feature exists In in S1, pretreatment castor-oil plant fiber is prepared by following technique：By weight by 10-20 parts enuatrol, 1-2 parts triethanolamine, 80-120 parts water mixes, and heating stirring, the chloroplatinic acid aqueous solution that 4-6 parts concentration is 0.002-0.003mol/L is added dropwise, continues to stir Mix, add 30-40 part castor-oil plants fiber, the mixing of 4-8 parts dimethyl itaconate, heating stirring, filter, washing, be dried to obtain pre- place Manage castor-oil plant fiber.
5. being used for the preparation method of wall autoclave aerated concrete building block according to claim any one of 1-4, its feature exists In in S1, pretreatment castor-oil plant fiber is prepared by following technique：By weight by 10-20 parts enuatrol, 1-2 parts triethanolamine, 80-120 parts water mixes, and is warming up to 70-78 DEG C of stirring 2-4h, the chloroplatinic acid that 4-6 parts concentration is 0.002-0.003mol/L is added dropwise The aqueous solution, continue to stir 20-40min, add 30-40 part castor-oil plants fiber, the mixing of 4-8 parts dimethyl itaconate, be warming up to 80-88 DEG C stirring 4-6h, filter, washing, be dried to obtain pretreatment castor-oil plant fiber.
6. being used for the preparation method of wall autoclave aerated concrete building block according to claim any one of 1-5, its feature exists In, in S2, by mixed material be warming up to 45-55 DEG C stirring 30-50min, rest 4-8h, 300-360 DEG C of steam pressure 5-7h, obtains not Easy hollowing autoclave aerated concrete building block.
CN201710523432.4A 2017-06-30 2017-06-30 A kind of preparation method for wall autoclave aerated concrete building block Pending CN107352866A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117735941A (en) * 2024-02-21 2024-03-22 山东新广恒节能科技有限公司 Preparation method of lightweight concrete aerated building block

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105367118A (en) * 2015-11-09 2016-03-02 当涂县科辉商贸有限公司 Phosphorus-slag-doped autoclaved aerated concrete block and manufacture method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105367118A (en) * 2015-11-09 2016-03-02 当涂县科辉商贸有限公司 Phosphorus-slag-doped autoclaved aerated concrete block and manufacture method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117735941A (en) * 2024-02-21 2024-03-22 山东新广恒节能科技有限公司 Preparation method of lightweight concrete aerated building block
CN117735941B (en) * 2024-02-21 2024-04-23 山东新广恒节能科技有限公司 Preparation method of lightweight concrete aerated building block

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Application publication date: 20171117