CN102701708A - Novel composite block - Google Patents

Novel composite block Download PDF

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Publication number
CN102701708A
CN102701708A CN2012101208154A CN201210120815A CN102701708A CN 102701708 A CN102701708 A CN 102701708A CN 2012101208154 A CN2012101208154 A CN 2012101208154A CN 201210120815 A CN201210120815 A CN 201210120815A CN 102701708 A CN102701708 A CN 102701708A
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block
building block
slag
complex sintered
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CN102701708B (en
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孙林柱
王军
杨芳
丁光亚
胡秀青
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Wenzhou University
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王军
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    • 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
    • Y02W30/58Construction or demolition [C&D] waste

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  • Treatment Of Sludge (AREA)
  • Processing Of Solid Wastes (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

The invention discloses a novel composite block. Based on the original traditional block, a groove which is 10mm in width and 1.5mm in depth is arranged on the surface of the composite block to strengthen the binding force between the block and the mortar, prevent the mortar from falling effectively and improve the shear capacity, so as to enhance the ability to withstand natural disasters of block buildings. By certain holes formed in the block, the block has better temperature reduction and energy saving performances to meet the energy saving requirement of buildings as thermal conductivity and heat transfer coefficient are reduced. Compared with traditional blocks, the novel composite block is identical in performances with the traditional one. Moreover, the raw materials of the novel composite sintered block mainly include coal refuse, construction waste, coal ash, furnace slag, mineral residue and sludge which all are from construction and industrial wastes, therefore, the difficulty in handling construction sludge and wastes is overcome, the problem of environment pollution caused by solid wastes is solved, the cultivated land is protected, and the solid wastes are recycled. In the engineering application, the block has good social, economical, and environmental benefits.

Description

A kind of NEW TYPE OF COMPOSITE building block
Technical field
The present invention relates to a kind of NEW TYPE OF COMPOSITE sintered building block making method, be specifically related to a kind of coal gangue that is applicable to, flyash, mud, building waste, making sintered building block prescription belong to civil construction material technology field.
Background technology
Along with the continuous lifting of China's design standard for energy efficiency of buildings, seeking novel energy-saving exterior wall enclosure structure becomes a kind of pursuit in recent years, and many novel wall materials also arise at the historic moment.From the cost-efficiency analysis of energy-saving wall, the complex heat-preservation walling still has bigger advantage, and especially lagging material can have consistent weather resistance (comprising weathering resistance) with agent structure with outer decorative cover material, and be that other energy-saving wall is unapproachable its working life.Though to having the cohesiveness composite heat insulation block relevant patent report is arranged both at home and abroad at present, above-mentioned patent all based on the protection of building block pattern, the difference of or dovetail-indent pattern strong like hole arrangement, bore hole size, hole proterties and tenon.And lack systematic research for concrete heat insulation effect, mechanical property and the materials for wall aspect that adopted.Though have document that certain given block pattern was carried out experimental analysis, yet can't be optimized and lack the report of relevant method of design, be difficult to apply and form industrialization production to the practical engineering application of these building blocks.
A kind of NEW TYPE OF COMPOSITE building block of the present invention is on the basis of original traditional building block, and it is wide in this block surfaces 10mm to be set; 1.5mm dark groove; For strengthening the snap-in force of building block and mortar, prevent that mortar from coming off and resistance to shear, improve the anti-natural disaster ability of masonry buildings.Through the analysis of finite element, building block forms certain hole, and building block has the effect of better heat preservation energy-saving like this, satisfies the requirement of building energy conservation.Compare with traditional building block, this NEW TYPE OF COMPOSITE building block each item performance and traditional building block are basic identical, and this NEW TYPE OF COMPOSITE sintered building block raw material is mainly coal gangue, building waste simultaneously; Slag, slag, flyash; Mud, raw material all derive from building and industrial waste, have solved the processing difficult problem of building waste mud and building waste; Solve the problem of environmental pollution that solid waste caused, protected cultivated land resource, realized the recycle of solid waste.This building block is applied in the engineering reality, has good economy, society and environmental benefit.
Summary of the invention
The purpose of this invention is to provide a kind of method that can be applied to the NEW TYPE OF COMPOSITE sintered building block of civil construction material.
This complex sintered building block prescription is by coal gangue, mud, building waste powder, slag, slag, flyash, by weight 15: 60: 15: form at 5: 10: 15.(admixture account for gross weight 3%) coal gangue is the solid waste that discharges in coal mining process and the coal washing process, and carbon containing 20%~30% also mainly contains Al in addition 2O 3, SiO 2Deng.The mud that is adopted is mainly derived from the mud that produces in the bored pile construction; The mud that excavation of foundation pit produces mainly is grouped into by one-tenth such as clay, sand, stones, and wherein clay component accounts for more than 70% of solids component; Mud is the essential composition of this building block; Owing to itself be made up of clay mineral, the instead arable land clay that vitrified brick adopted is in the past preserved the ecological environment.The building waste that is adopted mainly is made up of waste concrete, brickbat slag, mortar, and wherein the content of brickbat slag accounts for 20% of building waste.Mainly by the melt that floats over fluent meterial such as metal surface that generates in the pyrometallurgical processes, it is formed with oxide compound (silicon-dioxide, aluminum oxide, quicklime, Natural manganese dioxide) is main to the slag that is adopted, and also often contains sulfide and carries little metal secretly.The slag that is adopted is mainly by the resistates after ore process ore dressing or the smelting.The flyash that is adopted is that the main solid waste main oxides of discharging behind thermal power plant's coal combustion consists of: SiO 2, Al 2O 3, FeO, Fe 2O 3, CaO, TiO 2Deng.The admixture that is adopted is a toughener, and staple is Fe 2O 3
Sintered building block of the present invention, it is wide that block surfaces is provided with 10mm, the groove that 1.5mm is dark.As illustrated in fig. 1 and 2.
Sintered building block of the present invention, building block is of a size of 390mm*240mm*190mm, hole adopt two side by side aperture and a macropore form jointly, wherein aperture is 90mm*30mm, macropore is 330mm*60mm, concrete size is as illustrated in fig. 1 and 2.
Beneficial effect of the present invention:
This composite block is provided with groove in block surfaces, strengthens the snap-in force of building block and mortar, prevents that mortar from coming off and resistance to shear, improves the anti-natural disaster ability of masonry buildings.Design certain hole simultaneously in this building block, can reduce the heat transfer coefficient and the thermal conductivity of building block, have better heat insulation effect, satisfy the requirement of building energy conservation.This building block raw material sources are extensive, simple for production simultaneously, only need mix coal gangue in proportion, building waste, and slag, slag, flyash, mud cake, toughener stir and get final product.The intensity of sintered building block can realize having the effect of better heat preservation energy-saving through the incorporation of regulating flyash and toughener.This formula of sintered brick is a raw material with building, industrial ubiquitous solid waste, compares with the unselected clay vitrified brick, when satisfying ultimate compression strength, has reduced production cost.Solved coal gangue, the processing difficult problem of building waste and flyash solves problem of environmental pollution that solid waste causes, and has protected cultivated land resource, has realized the recycle of solid waste.
Embodiment
To pass through the coal gangue of design metering, flyash, mud cake, building waste powder, slag, slag, waste coal slag and toughener after forcing to stir, ageing 48 hours, subsequent use.Material after the ageing is processed adobe, wet adobe physical dimension: long 250mm, wide 250mm, high 92mm.After super-dry (heat that utilizes the roasting kiln flue to discharge), dried brick physical dimension: long 242mm, wide 242mm, high 91mm, water cut is less than 7%.Send into wheel kiln baking, 800 ℃~1100 ℃ of empty packet maturing temperatures can be made into solid waste baked brick.Brick after processing carries out the ultimate compression strength experiment, and experimental result is shown in table 1~4.
Each composition weight proportioning of process (admixture 0%) is joined in the examination of table 1 solid waste baked brick
Figure BSA00000705809200041
Each composition weight proportioning of process (admixture 1%) is joined in the examination of table 2 solid waste baked brick
Each composition weight proportioning of process (admixture 2%) is joined in the examination of table 3 solid waste baked brick
Figure BSA00000705809200051
Each composition weight proportioning of process (admixture 3%) is joined in the examination of table 4 solid waste baked brick
Figure BSA00000705809200052
Each component metering permissible variation of table 5
Coal gangue Mud Building waste Flyash Slag Slag Admixture
±2% ±2% ±2% ±0.5% ±0.5% ±1% ±0.2%
Visible by above each embodiment, along with the increase of mud cake incorporation, the intensity of vitrified brick increases.Along with the increase of admixture, the intensity of vitrified brick increases gradually.But it is when the admixture incorporation is 3%, not obvious to the influence of intensity.
Visible by above test-results, adopt coal gangue: 15kg, mud: 60kg, building waste: 15kg, slag: 5kg, slag: 10kg, flyash: 15kg, admixture: 3%, intensity reaches 17.58Mpa behind oversintering, satisfies requirement of strength.
Description of drawings:
Fig. 1 is the building block plat, and Fig. 2 is the building block stereographic map.

Claims (10)

1. complex sintered building block, it is characterized in that: it is by coal gangue, mud, building waste powder, slag, slag, flyash, by weight 15: 60: 15: form at 5: 10: 15, and the admixture that accounts for building block gross weight 3%.
2. complex sintered building block as claimed in claim 1 is characterized in that: said coal gangue is the solid waste that discharges in coal mining process and the coal washing process, carbon containing 20%~30%, and main ingredient is Al 2O 3, SiO 2
3. complex sintered building block as claimed in claim 1; It is characterized in that: the mud that is adopted is mainly derived from the mud that produces in the bored pile construction; The mud that excavation of foundation pit produces mainly consists of clay, sand, stone, and wherein clay component accounts for more than 70% of solids component in the said mud.
4. complex sintered building block as claimed in claim 1 is characterized in that: the building waste that is adopted mainly is made up of waste concrete, brickbat slag, mortar, and wherein the weight content of brickbat slag accounts for 20% of building waste.
5. complex sintered building block as claimed in claim 1; It is characterized in that: the slag that is adopted is mainly by the melt that floats over the metal liquid material surface that generates in the pyrometallurgical processes; It is formed with silicon-dioxide, aluminum oxide, quicklime, Natural manganese dioxide is main, also often contains sulfide and carries little metal secretly.
6. complex sintered building block as claimed in claim 1 is characterized in that: the slag that is adopted is mainly by the resistates after ore process ore dressing or the smelting.
7. complex sintered building block as claimed in claim 1 is characterized in that: the flyash that is adopted is the solid waste of discharging behind thermal power plant's coal combustion, mainly consists of: SiO 2, Al 2O 3, FeO, Fe 2O 3, CaO, TiO 2
8. complex sintered building block as claimed in claim 1 is characterized in that: the admixture that is adopted is a toughener, and staple is Fe 2O 3
9. complex sintered building block as claimed in claim 1 is characterized in that: in said block surfaces the groove that 10mm is wide, 1.5mm is dark is set.
10. complex sintered building block as claimed in claim 1 is characterized in that: said building block is of a size of 390mm*240mm*190mm, hole adopt two side by side aperture and a macropore form jointly, wherein aperture is 90mm*30mm, macropore is 330mm*60mm.
CN201210120815.4A 2012-04-24 2012-04-24 A kind of NEW TYPE OF COMPOSITE building block Expired - Fee Related CN102701708B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104311097A (en) * 2014-09-29 2015-01-28 济南天硕新型墙材有限公司 Self-thermal-insulation building block
CN104311099A (en) * 2014-10-21 2015-01-28 庄志汕 Tempered sponge brick produced by using urban construction garbage by treating waste with waste
CN104650819A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Formula of solid particle blocks for high-temperature heat transfer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1830869A (en) * 2006-03-22 2006-09-13 西安墙体材料研究设计院 Sintered heat insulating hollow building block

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1830869A (en) * 2006-03-22 2006-09-13 西安墙体材料研究设计院 Sintered heat insulating hollow building block

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104650819A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Formula of solid particle blocks for high-temperature heat transfer
CN104311097A (en) * 2014-09-29 2015-01-28 济南天硕新型墙材有限公司 Self-thermal-insulation building block
CN104961401A (en) * 2014-09-29 2015-10-07 济南天硕新型墙材有限公司 Self-thermal-insulation building block
CN105060846A (en) * 2014-09-29 2015-11-18 济南天硕新型墙材有限公司 Preparation method for self-thermal insulation concrete blocks
CN105060781A (en) * 2014-09-29 2015-11-18 济南天硕新型墙材有限公司 Self-thermal insulation concrete block
CN105130385A (en) * 2014-09-29 2015-12-09 济南天硕新型墙材有限公司 Preparation method of self-heat-preservation building blocks
CN105174830A (en) * 2014-09-29 2015-12-23 济南天硕新型墙材有限公司 Preparation method for self-insulation building block
CN104311097B (en) * 2014-09-29 2016-01-20 济南天硕新型墙材有限公司 A kind of heat insulation building block
CN104311099A (en) * 2014-10-21 2015-01-28 庄志汕 Tempered sponge brick produced by using urban construction garbage by treating waste with waste
CN104311099B (en) * 2014-10-21 2015-09-02 庄志汕 Tempering sponge brick is produced in the treatment of wastes with processes of wastes against one another of urban construction rubbish

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