CN106167418A - A kind of method preparing foam concrete block - Google Patents

A kind of method preparing foam concrete block Download PDF

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Publication number
CN106167418A
CN106167418A CN201610563910.XA CN201610563910A CN106167418A CN 106167418 A CN106167418 A CN 106167418A CN 201610563910 A CN201610563910 A CN 201610563910A CN 106167418 A CN106167418 A CN 106167418A
Authority
CN
China
Prior art keywords
foam concrete
slurry
water
concrete block
maintenance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610563910.XA
Other languages
Chinese (zh)
Inventor
赖卫华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liuzhou Hong Hong Technology Co Ltd
Original Assignee
Liuzhou Hong Hong Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liuzhou Hong Hong Technology Co Ltd filed Critical Liuzhou Hong Hong Technology Co Ltd
Priority to CN201610563910.XA priority Critical patent/CN106167418A/en
Publication of CN106167418A publication Critical patent/CN106167418A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/10Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20Mortars, concrete or artificial stone characterised by specific physical values for the density
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, 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 present invention discloses a kind of method preparing foam concrete block, comprises the steps: that (1) cement mixes with water, makes slurry;(2) in the slurry of step (1), add glass bead, after mixing thoroughly, add foaming agent, foam stabilizer and water reducer, stir 0.5 2 hours;(3) the slurry injection molding that step (2) is obtained, first maintenance 20 24 hours at 50 60 DEG C, then at 80 100 DEG C after maintenance 23 hours, the demoulding, i.e. obtain described low density foam concrete segment.Compared with existing foam concrete block, foam concrete block apparent density prepared by the inventive method is 300~400 kg/m3, heat conductivity≤0.03 W/ (m K), and there is good soundproof effect.

Description

A kind of method preparing foam concrete block
Technical field
The invention belongs to building material field, be specifically related to a kind of method preparing foam concrete block.
Background technology
Saving the strategic emphasis that the energy is China's economic development, specifically at building materials field, within 1986, Minstry of Housing and Urban-Rural Development of People Republic of China (MOHURD) promulgates " Civil Building Energy Conservation design standard ", on October 1st, 2001, Minstry of Housing and Urban-Rural Development of People Republic of China (MOHURD) has issued that " hot-summer and cold-winter area is lived and built Saving energy design in a building standard ".From 2000, the reducing energy consumption work of the existing building big to heating zone thermal environment difference or energy consumption Having begun to, within 2005, country starts reducing energy consumption in key cities.Development of Novel construction material is to reduce building The energy of building enclosure runs off, and is one of major measure improving building energy utilization ratio.
Summary of the invention
It is an object of the invention to provide a kind of method preparing foam concrete block.
In order to solve above-mentioned technical problem, the invention provides following technical scheme:
A kind of method preparing foam concrete block, comprises the steps:
(1) cement mixes with water, makes slurry;
(2) in the slurry of step (1), add glass bead, after mixing thoroughly, add foaming agent, foam stabilizer and water reducer, stirring 0.5-2 hour;
(3) the slurry injection molding that step (2) is obtained, first maintenance 20-24 hour at 50-60 DEG C, then maintenance at 80-100 DEG C After 2-3 hour, the demoulding, i.e. obtain described low density foam concrete segment.
Preferably, by weight, each proportioning raw materials is: cement 50~60 parts, glass bead 15~25 parts, foaming agent 2-5 Part, foam stabilizer 0.1-0.5 part, water reducer 0.5-1 part.
Preferably, described foaming agent is sodium lauryl sulphate or dodecylbenzene sodium sulfonate.
Preferably, described foam stabilizer is polyacrylamide, polyvinyl alcohol, gelatin or starch.
Preferably, described water reducer is sodium lignin sulfonate or naphthalene series high-efficiency water-reducing agent.
Preferably, the particle diameter of described glass bead is 30-50 mesh.
Detailed description of the invention
Hereinafter the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is only used In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment 1
A kind of low density foam concrete segment, proportioning raw materials is as follows: cement 50 weight portion, glass bead 15 weight portion, 12 Alkyl sodium sulfate 2 weight portion, gelatin 0.1 weight portion, sodium lignin sulfonate 0.5 weight portion.
The particle diameter of described glass bead is 30-50 mesh.
Preparation process is as follows:
(1) cement is with water by weight mixing for 2:1, makes slurry;
(2) in the slurry of step (1), add glass bead, after mixing thoroughly, add sodium lauryl sulphate, gelatin and lignin Sodium sulfonate, stirs 0.5 hour;
(3) the slurry injection molding that step (2) is obtained, first maintenance 20-24 hour at 50-60 DEG C, then maintenance at 80-100 DEG C After 2-3 hour, the moisture control after maintenance, in 7-8wt%, the demoulding, i.e. obtains described low density foam concrete segment.
Embodiment 2
A kind of low density foam concrete segment, proportioning raw materials is as follows: cement 60 weight portion, glass bead 25 weight portion, 12 Sodium alkyl benzene sulfonate 5 weight portion, polyacrylamide 0.5 weight portion, commercially available naphthalene series high-efficiency water-reducing agent 1 weight portion.
The particle diameter of described glass bead is 30-50 mesh.
Preparation process is as follows:
(1) cement is with water by weight mixing for 2:1.5, makes slurry;
(2) in the slurry of step (1), add glass bead, after mixing thoroughly, add dodecylbenzene sodium sulfonate, polyacrylamide Amine and naphthalene series high-efficiency water-reducing agent, stir 2 hours;
(3) the slurry injection molding that step (2) is obtained, first maintenance 20-24 hour at 50-60 DEG C, then maintenance at 80-100 DEG C After 2-3 hour, the moisture control after maintenance, in 7-8wt%, the demoulding, i.e. obtains described low density foam concrete segment.
The foam concrete block apparent density of the present invention is 300~400 kg/m3, heat conductivity≤0.03 W/ (m And there is good soundproof effect K),.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention, Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent. All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's Within protection domain.

Claims (7)

1. the method preparing foam concrete block, comprises the steps:
(1) cement mixes with water, makes slurry;
(2) in the slurry of step (1), add glass bead, after mixing thoroughly, add foaming agent, foam stabilizer and water reducer, stirring 0.5-2 hour;
(3) the slurry injection molding that step (2) is obtained, first maintenance 20-24 hour at 50-60 DEG C, then maintenance at 80-100 DEG C After 2-3 hour, the demoulding, i.e. obtain described low density foam concrete segment.
Method the most according to claim 1, it is characterised in that by weight, each proportioning raw materials is: cement 50~60 parts, Glass bead 15~25 parts, foaming agent 2-5 part, foam stabilizer 0.1-0.5 part, water reducer 0.5-1 part.
Method the most according to claim 1, it is characterised in that described foaming agent is sodium lauryl sulphate or dodecyl Benzene sulfonic acid sodium salt.
Method the most according to claim 1, it is characterised in that described foam stabilizer is polyacrylamide, polyvinyl alcohol, gelatin Or starch.
Method the most according to claim 1, it is characterised in that described water reducer is sodium lignin sulfonate or naphthalene series high-efficiency subtracts Water preparation.
Method the most according to claim 1, it is characterised in that the particle diameter of described glass bead is 30-50 mesh.
Method the most according to claim 1, it is characterised in that in step (1), cement and water are by weight for 2:0.5-2 Mixing.
CN201610563910.XA 2016-07-18 2016-07-18 A kind of method preparing foam concrete block Pending CN106167418A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610563910.XA CN106167418A (en) 2016-07-18 2016-07-18 A kind of method preparing foam concrete block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610563910.XA CN106167418A (en) 2016-07-18 2016-07-18 A kind of method preparing foam concrete block

Publications (1)

Publication Number Publication Date
CN106167418A true CN106167418A (en) 2016-11-30

Family

ID=58065466

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610563910.XA Pending CN106167418A (en) 2016-07-18 2016-07-18 A kind of method preparing foam concrete block

Country Status (1)

Country Link
CN (1) CN106167418A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106830844A (en) * 2017-03-06 2017-06-13 宋正国 A kind of light foaming cement packing material and its foaming method
CN109592941A (en) * 2019-01-11 2019-04-09 重庆越园建筑节能材料有限公司 A kind of production technology that foam concrete being perfused into hollow brick

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102515838A (en) * 2011-12-21 2012-06-27 浙江省建筑科学设计研究院有限公司 Lightweight aggregate foam concrete warming plate with low shrinkage and low water absorption
CN105645892A (en) * 2015-12-31 2016-06-08 中铁四局集团钢结构有限公司 Foam concrete and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102515838A (en) * 2011-12-21 2012-06-27 浙江省建筑科学设计研究院有限公司 Lightweight aggregate foam concrete warming plate with low shrinkage and low water absorption
CN105645892A (en) * 2015-12-31 2016-06-08 中铁四局集团钢结构有限公司 Foam concrete and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张明爽: "《混凝土工程施工技术》", 31 May 2009, 山西科学技术出版社 *
李继业等: "《混凝土外加剂速查手册》", 30 June 2016, 中国建筑工业出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106830844A (en) * 2017-03-06 2017-06-13 宋正国 A kind of light foaming cement packing material and its foaming method
CN109592941A (en) * 2019-01-11 2019-04-09 重庆越园建筑节能材料有限公司 A kind of production technology that foam concrete being perfused into hollow brick
CN109592941B (en) * 2019-01-11 2021-09-24 重庆越园建筑节能材料有限公司 Production process for pouring foam concrete into hollow brick

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Application publication date: 20161130

RJ01 Rejection of invention patent application after publication