CN106186890A - Utilize the method that discarded concrete resource produces insulating brick - Google Patents

Utilize the method that discarded concrete resource produces insulating brick Download PDF

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Publication number
CN106186890A
CN106186890A CN201610588174.3A CN201610588174A CN106186890A CN 106186890 A CN106186890 A CN 106186890A CN 201610588174 A CN201610588174 A CN 201610588174A CN 106186890 A CN106186890 A CN 106186890A
Authority
CN
China
Prior art keywords
parts
recycled aggregate
concrete
slurry
calx
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
CN201610588174.3A
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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.)
Guangxi Environmental Protection Technology Co Ltd
Original Assignee
Guangxi Environmental Protection 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 Guangxi Environmental Protection Technology Co Ltd filed Critical Guangxi Environmental Protection Technology Co Ltd
Priority to CN201610588174.3A priority Critical patent/CN106186890A/en
Publication of CN106186890A publication Critical patent/CN106186890A/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
    • 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/16—Waste materials; Refuse from building or ceramic industry
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Abstract

The present invention discloses a kind of method utilizing discarded concrete resource to produce insulating brick, comprises the steps: discarded concrete is crushed to 10～20 mesh, obtains recycled aggregate of waste concrete；Cement, Calx are mixed with water, makes slurry；In slurry, it is sequentially added into recycled aggregate of waste concrete and stone powder, after mixing thoroughly, adds foaming agent and foam stabilizer, stir 1～2 hour；By slurry injection molding, first maintenance 20～24 hours at 60～70 DEG C, then maintenance 1～2 hours at 130～180 DEG C, i.e. obtain described insulating brick；By weight, each raw material dosage is as follows: recycled aggregate of waste concrete 50～60 parts, stone powder 10～15 parts, cement 10～15 parts, Calx 5～10 parts, foaming agent 2～5 parts, foam stabilizer 0.1～0.5 part.The inventive method makes full use of discarded concrete, i.e. environmentally friendly and economical, and made building block apparent density is low, has good insulation and soundproof effect.

Description

Utilize the method that discarded concrete resource produces insulating brick
Technical field
The invention belongs to building material field, particularly relate to the method that discarded concrete resource produces insulating brick.
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 the method utilizing discarded concrete resource to produce insulating brick.
In order to solve above-mentioned technical problem, the invention provides following technical scheme:
The method utilizing discarded concrete resource to produce insulating brick, comprises the steps:
(1) discarded concrete is crushed to 10～20 mesh, obtains recycled aggregate of waste concrete；
(2) cement, Calx are mixed with water, make slurry；
(3) in the slurry of step (2), it is sequentially added into recycled aggregate of waste concrete and stone powder, after mixing thoroughly, adds foaming agent And foam stabilizer, stir 1～2 hour；
(4) the slurry injection molding that step (3) is obtained, first maintenance 20～24 hours at 60～70 DEG C, then at 130～180 DEG C Maintenance 1～2 hours, i.e. obtain described insulating brick；
By weight, each raw material dosage is as follows: recycled aggregate of waste concrete 50～60 parts, stone powder 10～15 parts, cement 10～ 15 parts, Calx 5～10 parts, foaming agent 2～5 parts, foam stabilizer 0.1～0.5 part.
In step (2), it is 1:6～9 by feed liquid weight ratio, cement, Calx are mixed with water.
Described foaming agent is sodium lauryl sulphate or dodecylbenzene sodium sulfonate.
Described foam stabilizer is polyacrylamide, polyvinyl alcohol, gelatin or starch.
The particle diameter of described recycled aggregate of waste concrete is 10～20 mesh.
The grating of described stone powder is: ＞ 10 purpose accounts for 10～20wt%, 10～60 purposes and accounts for 60～70wt%, and surplus is ＜ 60 Purpose.
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
Utilizing discarded concrete resource to produce the method block of insulating brick, the weight proportion of raw material is as follows: discarded concrete is again Raw aggregate 60 parts, stone powder 15 parts, cement 15 parts, 10 parts of Calx, sodium lauryl sulphate 5 parts, 1 part of gelatin.
The grating of stone powder is: ＞ 10 purpose accounts for 10wt%, and 10～60 purposes account for 70wt%, and surplus is ＜ 60 purpose.
Preparation process is as follows:
(1) discarded concrete is crushed to 10～20 mesh, obtains recycled aggregate of waste concrete；
(2) it is that 1:6 mix with water by feed liquid weight ratio by cement, Calx, makes slurry；
(3) in the slurry of step (2), it is sequentially added into recycled aggregate of waste concrete and stone powder, after mixing thoroughly, adds dodecane Base sodium sulfate and gelatin, stir 1 hour；
(4) the slurry injection molding that step (3) is obtained, first maintenance 20～24 hours at 60～70 DEG C, then maintenance 2 at 130 DEG C Hour, i.e. obtain described insulation blocks.
Embodiment 2
Utilizing discarded concrete resource to produce the method block of insulating brick, the weight proportion of raw material is as follows: discarded concrete is again Raw aggregate 50 parts, stone powder 10 parts, cement 10 parts, 5 parts of Calx, sodium lauryl sulphate 2 parts, starch 0.5 part.
The grating of stone powder is: ＞ 10 purpose accounts for 20wt%, and 10～60 purposes account for 60wt%, and surplus is ＜ 60 purpose.
Preparation process is as follows:
(1) discarded concrete is crushed to 10～20 mesh, obtains recycled aggregate of waste concrete；
(2) it is that 1:9 mix with water by feed liquid weight ratio by cement, Calx, makes slurry；
(3) in the slurry of step (2), it is sequentially added into recycled aggregate of waste concrete and stone powder, after mixing thoroughly, adds dodecane Base sodium sulfate and starch, stir 2 hours；
(4) the slurry injection molding that step (3) is obtained, first maintenance 20～24 hours at 60～70 DEG C, then maintenance 1 at 180 DEG C Hour, i.e. obtain described insulation blocks.
Discarded concrete is the main source of building waste, and the present invention makes full use of discarded concrete, it is achieved discarded coagulation The Renewable resourceization of soil utilizes, and the building block apparent density prepared is 680～750 kg/m3, heat conductivity≤0.67 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 (5)

1. the method utilizing discarded concrete resource to produce insulating brick, comprises the steps:
(1) discarded concrete is crushed to 10～20 mesh, obtains recycled aggregate of waste concrete；
(2) cement, Calx are mixed with water, make slurry；
(3) in the slurry of step (2), it is sequentially added into recycled aggregate of waste concrete and stone powder, after mixing thoroughly, adds foaming agent And foam stabilizer, stir 1～2 hour；
(4) the slurry injection molding that step (3) is obtained, first maintenance 20～24 hours at 60～70 DEG C, then at 130～180 DEG C Maintenance 1～2 hours, i.e. obtain described insulating brick；
By weight, each raw material dosage is as follows: recycled aggregate of waste concrete 50～60 parts, stone powder 10～15 parts, cement 10～ 15 parts, Calx 5～10 parts, foaming agent 2～5 parts, foam stabilizer 0.1～0.5 part.
Method the most according to claim 1, it is characterised in that in step (2), be 1:6～9 by feed liquid weight ratio, by water Mud, Calx mix with water.
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 the grating of described stone powder is: ＞ 10 purpose account for 10～ 20wt%, 10～60 purposes account for 60～70wt%, and surplus is ＜ 60 purpose.
CN201610588174.3A 2016-07-25 2016-07-25 Utilize the method that discarded concrete resource produces insulating brick Pending CN106186890A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610588174.3A CN106186890A (en) 2016-07-25 2016-07-25 Utilize the method that discarded concrete resource produces insulating brick

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610588174.3A CN106186890A (en) 2016-07-25 2016-07-25 Utilize the method that discarded concrete resource produces insulating brick

Publications (1)

Publication Number Publication Date
CN106186890A true CN106186890A (en) 2016-12-07

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Country Status (1)

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CN (1) CN106186890A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108929068A (en) * 2017-05-26 2018-12-04 陈荣芳 A kind of cement foamed board raw material of complex heat-preservation
CN113135703A (en) * 2021-05-20 2021-07-20 武汉华强新型建筑材料有限公司 High-strength recycled concrete and preparation method thereof
CN113666684A (en) * 2021-07-30 2021-11-19 中国建筑第八工程局有限公司 Regenerated foamed concrete product and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102162282A (en) * 2011-03-17 2011-08-24 徐振飞 Automatic heat preservation, energy saving and air-entrapping concrete brick wall and manufacturing method thereof
CN104609810A (en) * 2014-12-18 2015-05-13 齐齐哈尔越峰科技有限公司 Method for preparation of porous non-fired product from recycled aggregate and modified plant fiber
CN105330206A (en) * 2015-10-21 2016-02-17 南京梅山海强新型建材有限公司 Non-bearing recycled fine aggregate concrete perforated brick

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102162282A (en) * 2011-03-17 2011-08-24 徐振飞 Automatic heat preservation, energy saving and air-entrapping concrete brick wall and manufacturing method thereof
CN104609810A (en) * 2014-12-18 2015-05-13 齐齐哈尔越峰科技有限公司 Method for preparation of porous non-fired product from recycled aggregate and modified plant fiber
CN105330206A (en) * 2015-10-21 2016-02-17 南京梅山海强新型建材有限公司 Non-bearing recycled fine aggregate concrete perforated brick

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王洪镇等: "《流态轻集料微孔混凝土技术》", 31 October 2013 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108929068A (en) * 2017-05-26 2018-12-04 陈荣芳 A kind of cement foamed board raw material of complex heat-preservation
CN113135703A (en) * 2021-05-20 2021-07-20 武汉华强新型建筑材料有限公司 High-strength recycled concrete and preparation method thereof
CN113666684A (en) * 2021-07-30 2021-11-19 中国建筑第八工程局有限公司 Regenerated foamed concrete product and preparation method thereof

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Application publication date: 20161207