CN111039642A - Pressure forming brick prepared from waste bricks and preparation method thereof - Google Patents

Pressure forming brick prepared from waste bricks and preparation method thereof Download PDF

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Publication number
CN111039642A
CN111039642A CN202010049442.0A CN202010049442A CN111039642A CN 111039642 A CN111039642 A CN 111039642A CN 202010049442 A CN202010049442 A CN 202010049442A CN 111039642 A CN111039642 A CN 111039642A
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CN
China
Prior art keywords
waste
brick
bricks
parts
pressure
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
CN202010049442.0A
Other languages
Chinese (zh)
Inventor
刘裕
马孟超
刘乐
李可运
刘明乐
王凯
沈海琦
王大伟
周建和
杨春霞
陶文宏
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.)
Shenzhen Gangchuang Building Material Co ltd
Original Assignee
Shenzhen Gangchuang Building Material 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 Shenzhen Gangchuang Building Material Co ltd filed Critical Shenzhen Gangchuang Building Material Co ltd
Priority to CN202010049442.0A priority Critical patent/CN111039642A/en
Publication of CN111039642A publication Critical patent/CN111039642A/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
    • C04B28/14Compositions 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 calcium sulfate cements
    • C04B28/142Compositions 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 calcium sulfate cements containing synthetic or waste calcium sulfate cements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B13/00Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/02Feeding the unshaped material to moulds or apparatus for producing shaped articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • 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
    • C04B18/00Use 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
    • C04B18/04Waste materials; Refuse
    • C04B18/16Waste materials; Refuse from building or ceramic industry
    • 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
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention relates to the field of environment-friendly green building materials, in particular to a pressure forming brick prepared from waste bricks, which comprises waste brick particles, waste gypsum, cement, mineral powder and water in percentage by weight: 50-70 parts of waste bricks, 5-15 parts of waste gypsum, 5-15 parts of cement, 5-10 parts of mineral powder and 10-15 parts of water. The pressure forming brick prepared by the invention greatly uses the waste bricks and the waste gypsum, so that the utilization rate of the waste bricks and other building solid wastes is improved, and the production cost is reduced. In the process of preparing the pressure forming brick, the water cement ratio is reduced, the compactness is increased, and the mechanical property and the durability are improved through a pressure forming technology. The prepared pressure forming brick is naturally cured without firing and forming, saves energy, reduces consumption and is green and environment-friendly.

Description

Pressure forming brick prepared from waste bricks and preparation method thereof
Technical Field
The invention relates to the field of environment-friendly green building materials, in particular to a method for preparing a pressure forming brick from waste bricks.
Background
Along with the promotion of old city transformation in city, the number of waste bricks is also increasing year by year, and the landfill is piled up to present main treatment mode, if can not effectively utilize, the heap volume is bigger and bigger, occupies a large amount of land, and pile up the landfill and also can cause potential danger, therefore, need to carry out research to the production and the absorption of city waste bricks. The effective utilization of the waste bricks has important significance for saving resources, improving the environment, improving economic benefits and social benefits, realizing resource recycling and sustainable development.
Disclosure of Invention
In order to solve the problems, the invention provides a pressure forming brick prepared from waste bricks, which is produced by taking the waste bricks as raw materials and recycles waste materials. In addition, the invention also provides a preparation method of the pressure forming brick.
In order to achieve the purpose, the invention adopts the technical scheme that:
in a first technical scheme, the pressure forming brick prepared from the waste bricks comprises waste brick particles, waste gypsum, cement, mineral powder and water, and the waste brick particles, the waste gypsum, the cement, the mineral powder and the water are as follows in percentage by weight: 50-70 parts of waste bricks, 5-15 parts of waste gypsum, 5-15 parts of cement, 5-10 parts of mineral powder and 10-15 parts of water.
In the first technical scheme, as preferred, the waste bricks comprise waste road bricks, waste wall bricks and waste ceramic tiles, and are crushed into raw material particles with the particle size of less than 5mm by a crusher.
In the first technical means, it is preferable that the waste gypsum includes waste gypsum generated in power plants, ceramic factories, etc., and is crushed and ground into raw material particles having a particle size of less than 0.15 mm.
In the first technical solution, preferably, the cement is PO42.5 portland cement.
In the first technical scheme, the mineral powder preferably comprises S95 grade mineral powder.
In the first aspect, preferably, the water is normal industrial water.
In a first aspect, a method for manufacturing a press-formed brick made of waste bricks as set forth in the first aspect, comprises the steps of:
step 1, adding waste bricks, waste gypsum and cement into a stirrer according to a mixing ratio, stirring for 2-3min, then adding water, and stirring for 3-5 min;
step 2, weighing a certain mass of mixed materials according to the size of a forming die, putting the mixed materials into the forming die, and carrying out static pressure forming at the forming pressure of 10-20MPa for 60 s;
and 3, immediately demoulding the molded test piece, and naturally curing to obtain the waste brick pressure molded brick.
The beneficial effects of the invention are as follows:
(1) the pressure forming brick prepared by the invention greatly uses the waste bricks and the waste gypsum, so that the utilization rate of the waste bricks and other building solid wastes is improved, and the production cost is reduced.
(2) In the process of preparing the pressure forming brick, the water-cement ratio is reduced, the compactness is increased, and the mechanical property and the durability are improved through the pressure forming technology.
(3) The pressure forming brick prepared by the invention is naturally cured without firing and forming, saves energy, reduces consumption and is green and environment-friendly.
Detailed Description
In order to make the purpose, technical solution and advantages of the present technical solution more clear, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present teachings.
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
Example 1
Weighing 70 parts of waste bricks, 5 parts of waste gypsum, 10 parts of cement and 5 parts of mineral powder according to mass percentage. And (2) placing the dry materials in a stirrer, stirring for 2min, adding 10 parts of water, stirring for 3min to obtain a mixture, uniformly placing the mixture into a mold, and carrying out pressure molding under the molding pressure of 15MPa for 60s, wherein after natural curing for 28 days, the mixture is subjected to strength detection to obtain a pressure brick with the compressive strength of 22.6MPa after 28 days, and the pressure brick meets the MU20 grade of the standard 'solid bricks for recycled aggregate of building waste' (JGT _ 505-.
Example 2
Weighing 50 parts of waste bricks, 15 parts of waste gypsum, 15 parts of cement and 10 parts of mineral powder according to mass percentage. And (2) placing the dry materials in a stirrer, stirring for 2min, adding 10 parts of water, stirring for 3min to obtain a mixture, uniformly placing the mixture into a mold, and performing pressure molding under the molding pressure of 20MPa for 60s, and performing strength detection after natural curing for 28 days to obtain the pressure brick with the compressive strength of 26.7MPa after 28 days, wherein the pressure brick meets the MU20 grade of the standard 'solid bricks for recycled aggregates of construction waste' (JGT _ 505-.
Example 3
Weighing 50 parts of waste bricks, 10 parts of waste gypsum, 15 parts of cement and 10 parts of mineral powder according to mass percentage. And (2) placing the dry materials in a stirrer, stirring for 3min, adding 15 parts of water, stirring for 5min to obtain a mixture, uniformly placing the mixture into a mold, and performing pressure molding under the molding pressure of 20MPa for 60s, wherein the pressure brick is subjected to strength detection after natural curing for 28 days to obtain a pressure brick with the compressive strength of 25.3MPa after 28 days, and meets the MU20 grade of the standard 'solid bricks for recycled aggregates of construction waste' (JGT _ 505-.
Example 4
60 parts of waste bricks, 10 parts of waste gypsum, 10 parts of cement and 10 parts of mineral powder are weighed according to mass percentage. And (2) placing the dry materials in a stirrer, stirring for 2min, adding 10 parts of water, stirring for 3min to obtain a mixture, uniformly placing the mixture into a mold, and carrying out pressure molding under the molding pressure of 15MPa for 60s, wherein the pressure brick is subjected to strength detection after natural curing for 28 days to obtain a pressure brick with the compressive strength of 25.9MPa after 28 days, and meets the MU20 grade of the standard 'solid bricks for recycled aggregates of construction waste' (JGT _ 505-.
The foregoing is only a preferred embodiment of the present invention, and many variations in the specific embodiments and applications of the invention may be made by those skilled in the art without departing from the spirit of the invention, which falls within the scope of the claims of this patent.

Claims (7)

1. The utility model provides a pressure forming brick that is prepared by abandonment brick which characterized in that: the brick comprises waste brick particles, waste gypsum, cement, mineral powder and water, and the waste brick particles, the waste gypsum, the cement, the mineral powder and the water are respectively as follows by weight percent: 50-70 parts of waste bricks, 5-15 parts of waste gypsum, 5-15 parts of cement, 5-10 parts of mineral powder and 10-15 parts of water.
2. A pressure-formed brick made of waste bricks according to claim 1, wherein: the waste bricks comprise waste pavement bricks, waste wall bricks and waste ceramic tiles, and are crushed into raw material particles with particle sizes smaller than 5mm by a crusher.
3. A pressure-formed brick made of waste bricks according to claim 1, wherein: the waste gypsum comprises waste gypsum generated in power plants, ceramic factories and the like, and is crushed and ground into raw material particles with the particle size of less than 0.15 mm.
4. A pressure-formed brick made of waste bricks according to claim 1, wherein: the cement is PO42.5 ordinary portland cement.
5. A pressure-formed brick made of waste bricks according to claim 1, wherein: the mineral powder comprises S95 grade mineral powder.
6. A pressure-formed brick made of waste bricks according to claim 1, wherein: the water is common industrial water.
7. A method for manufacturing a press-formed brick made of waste bricks, for manufacturing a press-formed brick made of waste bricks according to any one of claims 1 to 6, characterized in that:
step 1, adding waste bricks, waste gypsum and cement into a stirrer according to a mixing ratio, stirring for 2-3min, then adding water, and stirring for 3-5 min;
step 2, weighing a certain mass of mixed materials according to the size of a forming die, putting the mixed materials into the forming die, and carrying out static pressure forming at the forming pressure of 10-20MPa for 60 s;
and 3, immediately demoulding the molded test piece, and naturally curing to obtain the waste brick pressure molded brick.
CN202010049442.0A 2020-01-16 2020-01-16 Pressure forming brick prepared from waste bricks and preparation method thereof Pending CN111039642A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010049442.0A CN111039642A (en) 2020-01-16 2020-01-16 Pressure forming brick prepared from waste bricks and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010049442.0A CN111039642A (en) 2020-01-16 2020-01-16 Pressure forming brick prepared from waste bricks and preparation method thereof

Publications (1)

Publication Number Publication Date
CN111039642A true CN111039642A (en) 2020-04-21

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CN (1) CN111039642A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112592136A (en) * 2020-12-29 2021-04-02 济宁鲁南公路工程公司 Environment-friendly greening brick containing waste powder recovered by asphalt mixing station and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101070236A (en) * 2007-06-15 2007-11-14 盐城宏强新型建材有限公司 Calcination-free porous heat-insulation brick
CN101086181A (en) * 2006-06-09 2007-12-12 王福山 Heat-insulated sound-insulated building block and building method
CN104310932A (en) * 2014-10-13 2015-01-28 河海大学 C20 curing product based on viscous spoil and sand spoil, and preparation method of C20 curing product based on viscous spoil and sand spoil
JP5721212B2 (en) * 2010-12-28 2015-05-20 太平洋マテリアル株式会社 Initial expansive cement composition
CN106145858A (en) * 2016-07-05 2016-11-23 上海每天节能环保科技股份有限公司 A kind of ecological permeable bricks and preparation method thereof
CN108275944A (en) * 2018-02-06 2018-07-13 河南城建学院 A kind of environmental protection brick and preparation method thereof prepared with building waste micro mist-reclaimed sand

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101086181A (en) * 2006-06-09 2007-12-12 王福山 Heat-insulated sound-insulated building block and building method
CN101070236A (en) * 2007-06-15 2007-11-14 盐城宏强新型建材有限公司 Calcination-free porous heat-insulation brick
JP5721212B2 (en) * 2010-12-28 2015-05-20 太平洋マテリアル株式会社 Initial expansive cement composition
CN104310932A (en) * 2014-10-13 2015-01-28 河海大学 C20 curing product based on viscous spoil and sand spoil, and preparation method of C20 curing product based on viscous spoil and sand spoil
CN106145858A (en) * 2016-07-05 2016-11-23 上海每天节能环保科技股份有限公司 A kind of ecological permeable bricks and preparation method thereof
CN108275944A (en) * 2018-02-06 2018-07-13 河南城建学院 A kind of environmental protection brick and preparation method thereof prepared with building waste micro mist-reclaimed sand

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112592136A (en) * 2020-12-29 2021-04-02 济宁鲁南公路工程公司 Environment-friendly greening brick containing waste powder recovered by asphalt mixing station and preparation method thereof

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