CN104003667B - A kind of concrete hollow partition plate and preparation method thereof - Google Patents
A kind of concrete hollow partition plate and preparation method thereof Download PDFInfo
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- CN104003667B CN104003667B CN201410243288.5A CN201410243288A CN104003667B CN 104003667 B CN104003667 B CN 104003667B CN 201410243288 A CN201410243288 A CN 201410243288A CN 104003667 B CN104003667 B CN 104003667B
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- partition plate
- hollow partition
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- 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 relates to the technical field of material of construction, be specifically related to a kind of concrete hollow partition plate and preparation method thereof.The invention provides a kind of concrete hollow partition plate, its raw material comprises siccative and water, and siccative by weight percentage, comprises following component: cement: 16-18wt%, steel-making slag powder: 2-4wt%, flyash bottom slag: 40-60wt%, mineral hot furnace slag: 20-40wt%; The add-on of water is appropriate.Concrete hollow partition plate ultimate compression strength prepared by the present invention is high and bending resistance carrying is large, has light weight, insulation, sound insulation simultaneously, prevents fires, is convenient to the features such as installation.And a kind of solidifying native hollow partition board of the present invention has the feature of the useless environmental protection of profit, has not only saved Energy resources day by day in short supply, saves and stores up place, reduces production cost, protects again our living environment simultaneously.
Description
Technical field
The present invention relates to the technical field of material of construction, be specifically related to a kind of concrete hollow partition plate and preparation method thereof.
Background technology
Along with the propelling of building housing industrialization, become the chief component of current materials for wall and inevitable development trend gradually as the precast light wallboard supporting with Highrise buildings, skeleton construction.Wall body building material divides brick, block, plate three major types product, wherein, concrete hollow partition plate is as novel wall material, of many uses, multiplexly make interior wall, exterior wall, roof boarding, floor, enclosure wall etc., it has from heavy and light, good heat preservation performance, and shock resistance is good, construction install convenience is quick, increase indoor usable floor area, reduce labour intensity, the advantages such as raising construction quality, cost are moderate, just progressively improve application percentage at present in each city.
Industrial residue is as in the industrial production, and the poisonous and hazardous solid waste given off, stores up for a long time and not only take a large amount of soil, and can cause the severe contamination to water system and air and harm.Take the flue dust of discharging during incinerating method process solid waste and obnoxious flavour also can atmosphere pollution.Therefore, according to the different in kind of different manufacturing enterprise, its trade waste composition produced is not identical yet, but the characteristic that can have according to various waste residue, select suitable material, with it for hollow partition board prepared by raw material, both solved the environment protection treating problem of solid waste, also contributed to the regeneration reuse of slack resources.
Wherein, slag is the waste residue that Steel industry produces, and its mineral composition comprises the compositions such as peridotites, Dicalcium Phosphate (Feed Grade), tricalcium silicate and a small amount of free calcium oxide, magnesium oxide, vitreum.It has certain aquation from hard ability, after vexed slag and ultrafine powder activation treatment, can solve free calcium oxide, magnesian expansion issues preferably, have certain activity.Flyash bottom slag is the waste residue that flyash is discharged formation by thermal power plant together with the sediment of boiler bottom, and its major ingredient is silicate, aluminosilicate, silicon oxide, vitriol etc.Low without levigate bottom slag activity, but it has the feature of lightweight.Mineral hot furnace slag is the waste residue produced in ferroalloy smelting (as Rhometal, ferro-silicon, manganeseirom etc.) process in metallurgical industry.Mineral hot furnace slag has the feature that activity is low, quality is light equally compared with flyash bottom slag, and its microtexture is that threadiness can play fiber reinforcement effect for concrete product in addition.
As can be seen here; steel-making slag powder, flyash bottom slag and mineral hot furnace slag are as industrial solid castoff; a kind of idle resource can be regarded as, if according to its characteristic separately, prepare concrete hollow partition plate as raw material; contribute to carrying out cycling and reutilization; not only can save and store up place, substitute existing raw material, economize on resources, reduce production cost; but also can protection of the environment, promote the reasonable disposition of resource.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of concrete hollow partition plate and preparation method thereof, for solving the problem lacking in prior art and use industrial solid castoff to prepare concrete hollow partition plate as raw material.
For achieving the above object, the invention provides a kind of concrete hollow partition plate, raw material comprises siccative and water, and described siccative by weight percentage, comprises following component:
Cement: 16-18wt%,
Steel-making slag powder: 2-4wt%,
Flyash bottom slag: 40-60wt%,
Mineral hot furnace slag: 20-40wt%;
The add-on of described water is appropriate;
In described raw material, siccative component than water first carries out metering mixing, then with water mix and blend, carry out extrusion molding, described concrete hollow partition plate can be prepared.
Preferably, a kind of concrete hollow partition plate, raw material comprises siccative and water, and described siccative by weight percentage, comprises following component:
Cement: 16-18wt%,
Steel-making slag powder: 2-4wt%,
Flyash bottom slag: 40-60wt%,
Mineral hot furnace slag: 20-40wt%;
In the weight of described water and siccative, the weight ratio of cement and steel-making slag powder is: 0.4:1;
In described raw material, siccative component than water first carries out metering mixing, then with water mix and blend, carry out extrusion molding, described concrete hollow partition plate can be prepared.
Preferably, described cement is selected from 42.5 grades of ordinary Portland cements.
Preferably, described steel-making slag powder is through levigate converter steel ground-slag.Further, the specification of described converter steel ground-slag is: specific surface area>=400m
2/ kg, free calcium oxide≤3wt%.
Preferably, described flyash bottom slag is the flyash bottom slag of particle diameter≤40mm.Particularly, described flyash bottom slag is selected from the flyash bottom slag that power plant's stove is discharged.
Preferably, described mineral hot furnace slag is the ironmaking alloy waste residue of particle diameter≤40mm.Particularly, described mineral hot furnace slag is selected from the ironmaking such as ferronickel, ferrosilicon, the ferromanganese alloy waste residue that metallurgical industry is discharged.
Preferably, the dimensions of described concrete hollow partition plate can be cut according to the actual requirements.Further, the dimensions of described concrete hollow partition plate is: width is 600mm, and thickness is 90-150mm, and length can be cut according to demand.
Preferably, described water is tap water.
The preparation method of a kind of concrete hollow partition plate of the present invention, comprises the following steps:
1) by after components based on weight percentage amount each in siccative, put into stirrer and stir, Homogeneous phase mixing, then add uniform stirring after water;
Preferably, in described siccative, each component puts into stirrer churning time is 2-4 minute.
Preferably, described stirrer is general concrete mixer.
Preferably, adding the churning time after water described in is 2-4 minute.
2) by step 1) extrusion molding of gained material, and the material after extrusion molding is carried out natural curing more than 7 days; Obtain described concrete hollow partition plate.
Preferably, described extrusion molding refers to and material is put into single-lead-screw extruding briquetting machine extrusion molding.More preferably, described single-lead-screw extruding briquetting machine is mulch film extrusion formation equipment.
Preferably, described material uses material mover to transport.
Preferably, put in storage after described concrete hollow partition plate cutting, a plate, detection, numbering.
Described plate refers to that the hollow partition board after by cutting is from carrying on the ground.
Described detection refers to the factory inspection index detecting hollow partition board.Concrete, factory inspection index includes per unit aerial density, ultimate compression strength, bending resistance carrying etc.
The invention discloses the application of a kind of concrete hollow partition plate in construction material.
The present invention relates to a kind of concrete hollow partition plate and preparation method thereof, for main raw material with industrial solid castoffs such as steel-making slag powder, flyash bottom slag, mineral hot furnace slags, belong to the recycling of Industrial Solid refuse, be applicable to the light building material fields such as insulation, sound insulation and fire-retardant material.This concrete hollow partition plate makes full use of the potential volcano ash effect of steel-making slag powder to replace part of cement, not only reduces production cost, and can reduce the hydration heat of cement, improves the later strength of concrete product.Meanwhile, although low without levigate flyash bottom slag activity, it is same with low activity mineral hot furnace slag has the light feature of quality, as aglite, can reduce the quality of concrete product, improve its intensity.And low activity mineral hot furnace slag microtexture becomes threadiness, can play fiber reinforcement effect in concrete product, ultimate compression strength and the bending resistance carrying of sheet material also can be increased.
Concrete hollow partition plate ultimate compression strength prepared by the present invention is high and bending resistance carrying is large, there is light weight, insulation, sound insulation simultaneously, prevent fires, be convenient to the features such as installation, the each performance index of concrete hollow partition plate of preparation meet the requirement of standard GB/T/T23449-2009 " ash slag concrete hollow partition plate ", per unit aerial density≤140kg/m
2, ultimate compression strength>=5MPa, bending resistance carrying>=1.And a kind of solidifying native hollow partition board of the present invention has the feature of the useless environmental protection of profit, turns waste into wealth; not only save Energy resources day by day in short supply, saved and store up place, substituted existing raw material, reduce production cost; and protect again our living environment, achieve many things at one stroke.
Accompanying drawing explanation
Fig. 1 is shown as preparation technology's schema of a kind of concrete hollow partition plate of the present invention and preparation method thereof
Fig. 2 is shown as the scanning electron microscope sem shape appearance figure of a kind of concrete hollow partition plate surface of fracture of the present invention
Embodiment
Set forth the present invention further below in conjunction with specific embodiment, should be understood that these embodiments are only not used in for illustration of the present invention and limit the scope of the invention.
Below by way of specific specific examples, embodiments of the present invention are described, those skilled in the art the content disclosed by this specification sheets can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this specification sheets also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
The raw material that following examples adopt and equipment:
1, raw material
Cement is 42.5 grades of ordinary Portland cements, purchased from southern cement company; Steel-making slag powder, purchased from upper Hypon smelting slag comprehensive exploitation Industrial Co., Ltd.; Flyash bottom slag, purchased from Shanghai, Huaneng Group pit hole mouth Second Power Plant; Mineral hot furnace slag, purchased from Baosteel Desheng, Fujian company limited; Water is tap water.
2, equipment
JS1500 stirrer, purchased from Shandong Machinery Co., Ltd. of Linkage; TYJ type single-lead-screw extruding briquetting machine, purchased from Shandong Tianyi Machinery Co., Ltd.; Material mover is support equipment with single-lead-screw extruding briquetting machine, purchased from Shandong Tianyi Machinery Co., Ltd..
Embodiment 1
As shown in Figure 1, take siccative component respectively by weight percentage: cement 18wt%, steel-making slag powder 2wt%, flyash bottom slag 60wt%, mineral hot furnace slag 20wt%, put into stirrer uniform stirring 3 minutes; Then add water, then uniform stirring 3 minutes, wherein, amount of water is 0.4 times of cement and steel-making slag powder weight sum in siccative, and concrete data are in table 1.As shown in Table 1, in siccative, cement and steel-making slag powder weight sum account for the weight percent of siccative is 20wt%, and namely the weight percent of siccative shared by amount of water is 8wt%.
The material mixed is transported into extrusion molding in single-lead-screw extruding briquetting machine through material mover, shaping rear natural curing more than 7 days, then cuts, play plate, detection, put in storage after numbering.This concrete hollow partition plate after testing after, recording its thickness is 120mm, and width is 600mm.
Embodiment 2
As shown in Figure 1, take siccative component respectively by weight percentage: cement 18wt%, steel-making slag powder 2wt%, flyash bottom slag 40wt%, mineral hot furnace slag 40wt%, put into stirrer uniform stirring 3 minutes; Then add water, then uniform stirring 3 minutes, wherein, amount of water is the 40wt% of cement and steel-making slag powder weight sum in siccative, and concrete data are in table 1.As shown in Table 1, in siccative, cement and steel-making slag powder weight sum account for the weight percent of siccative is 20wt%, and namely the weight percent of siccative shared by amount of water is 8wt%.
The material mixed is transported into extrusion molding in single-lead-screw extruding briquetting machine through material mover, shaping rear natural curing more than 7 days, then cuts, play plate, detection, put in storage after numbering.This concrete hollow partition plate after testing after, recording its thickness is 120mm, and width is 600mm.
Embodiment 3
As shown in Figure 1, take siccative component respectively by weight percentage: cement 16wt%, steel-making slag powder 4wt%, flyash bottom slag 40wt%, mineral hot furnace slag 40wt%, put into stirrer uniform stirring 3 minutes; Then add water, then uniform stirring 3 minutes, wherein, amount of water is 0.4 times of cement and steel-making slag powder weight sum in siccative, and concrete data are in table 1.As shown in Table 1, in siccative, cement and steel-making slag powder weight sum account for the weight percent of siccative is 20wt%, and namely the weight percent of siccative shared by amount of water is 8wt%.
The material mixed is transported into extrusion molding in single-lead-screw extruding briquetting machine through material mover, shaping rear natural curing more than 7 days, then cuts, play plate, detection, put in storage after numbering.This concrete hollow partition plate after testing after, recording its thickness is 120mm, and width is 600mm.
Embodiment 4
As shown in Figure 1, take siccative component respectively by weight percentage: cement 16wt%, steel-making slag powder 4wt%, flyash bottom slag 60wt%, low activity mineral hot furnace slag 20wt%, put into stirrer uniform stirring 3 minutes; Then add water, then uniform stirring 3 minutes, wherein, amount of water is 0.4 times of cement and steel-making slag powder weight sum in siccative, and concrete data are in table 1.As shown in Table 1, in siccative, cement and steel-making slag powder weight sum account for the weight percent of siccative is 20wt%, and namely the weight percent of siccative shared by amount of water is 8wt%.
The material mixed is transported into extrusion molding in single-lead-screw extruding briquetting machine through material mover, shaping rear natural curing more than 7 days, then cuts, play plate, detection, put in storage after numbering.This concrete hollow partition plate after testing after, recording its thickness is 120mm, and width is 600mm.
Table 1. examples of materials formula (material by weight percentage)
Embodiment 5
According to the requirement in standard GB/T/T23449-2009 " ash slag concrete hollow partition plate ", the volume of concrete hollow partition plate obtained is cut into thickness is 120mm, width is 100mm, length is the standard test specimen of 100mm in embodiment 1 ~ 4.Then detect according to the method specified in standard GB/T/T23449-2009, the performance perameter such as plane density, ultimate compression strength, bending resistance carrying to standard test specimen, then according to corresponding technical indicator, compare with real data, detected result is in table 2.
As shown in Table 2, the concrete hollow partition plate prepared in the present invention meets the requirement of national standard, and wherein, multiple technical indicator is as ultimate compression strength, bending resistance carrying etc., and its data are all higher than canonical parameter, concrete, ultimate compression strength >=5MPa, bending resistance carrying >=1.Thus, in the present invention, concrete hollow partition plate is functional, has great actual application value.
The detected result of table 2. material performance index
| Project | Technical indicator | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Thickness (mm) | 120 | 120 | 120 | 120 | 120 |
| Width (mm) | 100 | 100 | 100 | 100 | 100 |
| Length (mm) | 100 | 100 | 100 | 100 | 100 |
| Per unit aerial density (kg/m2) | ≤140 | 119 | 133 | 134 | 120 |
| Ultimate compression strength (MPa) | ≥5 | 9.5 | 10.1 | 10.3 | 9.6 |
| Bending resistance carrying (plate deadweight multiple) | ≥1 | 2.3 | 2.6 | 2.6 | 2.3 |
Embodiment 6
Scanning electron microscope scanning is carried out to the surface of fracture of the concrete hollow partition plate obtained in embodiment 1 ~ 4, as shown in Figure 2, under scanning electron microscope sem amplifies the condition of 10000 times, the surface of fracture can observing concrete hollow partition plate has filamentary structure, and this component in filamentary structure is mineral hot furnace slag.From Structure Mechanism, this fibrous microstructure of mineral hot furnace slag, can play fiber reinforcement effect in concrete hollow partition plate, adds ultimate compression strength and the bending resistance carrying of sheet material simultaneously.
In sum, the method for a kind of concrete hollow partition plate provided by the invention and preparation thereof is for main raw material with industrial solid castoffs such as steel-making slag powder, flyash bottom slag, mineral hot furnace slags; can realize turning waste into wealth; protection of the environment, economizes on resources, and promotes cycling and reutilization.Simultaneously, the concrete hollow partition plate of preparation has light weight, insulation, sound insulation, prevents fires, is convenient to the advantages such as installation, property indices meets the requirement of standard GB/T/T23449-2009 " ash slag concrete hollow partition plate ", highly apply, there is the industrial utilization of height.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (7)
1. a concrete hollow partition plate, is characterized in that, raw material comprises siccative and water, and described siccative by weight percentage, comprises following component:
Cement: 16-18wt%,
Steel-making slag powder: 2-4wt%,
Flyash bottom slag: 40-60wt%,
Mineral hot furnace slag: 20-40wt%;
The add-on of described water is appropriate;
Described steel-making slag powder is through levigate converter steel ground-slag; The specification of described converter steel ground-slag is: specific surface area>=400m
2/ kg, free calcium oxide≤3wt%; Described flyash bottom slag is the flyash bottom slag of particle diameter≤40mm; Described mineral hot furnace slag is the ironmaking alloy waste residue of particle diameter≤40mm.
2. a kind of concrete hollow partition plate according to claim 1, is characterized in that, in the weight of described water and siccative, the weight ratio of cement and steel-making slag powder is: 0.4:1.
3., according to the arbitrary described a kind of concrete hollow partition plate of claim 1 or 2, it is characterized in that, described cement is selected from 42.5 grades of ordinary Portland cements.
4., according to the preparation method of the arbitrary described a kind of concrete hollow partition plate of claim 1-3, it is characterized in that, comprise the following steps:
1) by after components based on weight percentage amount each in siccative, put into stirrer and stir, Homogeneous phase mixing, then add uniform stirring after water;
2) by step 1) extrusion molding of gained material, and the material after extrusion molding is carried out natural curing more than 7 days; Obtain described concrete hollow partition plate.
5. the preparation method of a kind of concrete hollow partition plate according to claim 4, is characterized in that, in described siccative, each component puts into stirrer churning time is 2-4 minute.
6. the preparation method of a kind of concrete hollow partition plate according to claim 4, is characterized in that, described add water again after churning time be 2-4 minute.
7. according to the arbitrary described application of a kind of concrete hollow partition plate in construction material of claim 1-3.
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| CN105859200A (en) * | 2016-03-31 | 2016-08-17 | 遵义恒瑞德科技有限公司 | Ash concrete hollow wallboard and production method thereof |
| CN106220088A (en) * | 2016-07-25 | 2016-12-14 | 陈荣立 | Utilize the method that mineral hot furnace slag produces concrete gool prefabricated component |
| CN106673554B (en) * | 2016-12-26 | 2019-03-08 | 上海中冶环境工程科技有限公司 | A kind of benefit waste light partition plate and preparation method thereof |
| ES2683224B1 (en) * | 2017-03-23 | 2019-03-14 | Univ Burgos | Surface finish for concrete floors and application procedure. |
| CN107780590A (en) * | 2017-10-18 | 2018-03-09 | 山西华通蓝天环保有限公司 | A kind of superfined flyash lightweight Self-insulation wall plate and preparation method thereof |
| CN107721325A (en) * | 2017-11-28 | 2018-02-23 | 山西华通蓝天环保有限公司 | A kind of ultra-fine clinker micropowder light Self-insulation wall plate and its binding agent |
| CN109626921A (en) * | 2018-12-27 | 2019-04-16 | 上海星欣科技发展有限公司 | A kind of benefit waste concrete hollow partition board and preparation method thereof |
| CN112500096A (en) * | 2020-12-17 | 2021-03-16 | 上海二十冶建设有限公司 | Press-formed non-reinforced steel slag grating plate and preparation method thereof |
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| CN1810700A (en) * | 2005-01-24 | 2006-08-02 | 涟源钢铁集团有限公司 | No-baking bearing brick of hydraulic steel slag and its production process |
| WO2008138170A1 (en) * | 2007-05-14 | 2008-11-20 | Cao, Bugao | Dry powder mortar made from steel slag and a method for producing it |
| CN102249625A (en) * | 2010-12-17 | 2011-11-23 | 范会生 | Composite cementitious material and preparation method thereof |
| CN103172311A (en) * | 2011-12-24 | 2013-06-26 | 蓟县洇溜镇第一水泥构件厂 | Novel building partition board |
| CN103265258B (en) * | 2012-10-28 | 2014-07-30 | 甘肃立之林建材有限公司 | Dry powder mortar prepared from industrial residues |
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