CN104003667A - Hollow concrete partition wall plate and production method thereof - Google Patents
Hollow concrete partition wall plate and production method thereof Download PDFInfo
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- CN104003667A CN104003667A CN201410243288.5A CN201410243288A CN104003667A CN 104003667 A CN104003667 A CN 104003667A CN 201410243288 A CN201410243288 A CN 201410243288A CN 104003667 A CN104003667 A CN 104003667A
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- partition plate
- concrete hollow
- 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
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Abstract
The invention relates to the technical field of building materials and particularly relates to a hollow concrete partition wall plate and a production method thereof. The invention provides a hollow concrete partition wall plate. The hollow concrete partition wall plate comprises dry materials and water as raw materials, wherein the dry materials comprises the following components in percentages by weight: 16-18wt% of cement, 2-4wt% of steel slag powder, 40-60wt% of fly ash blaster furnace slag, 20-40wt% of submerged arc furnace slag and a appropriate amount of water. The hollow concrete partition wall plate produced by the production method disclosed by the invention has the characteristics of high compressive strength, large bending bearing capacity, light weight, thermal insulation, sound insulation, fire resistance, convenience in installation and so on. Moreover, since the hollow concrete partition wall plate disclosed by the invention has the characteristics of waste utilization and environmental friendliness, increasingly scarce energy resources are saved, the stockpiling space is saved, and the production cost is reduced while our living environment is protected.
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, as becoming gradually the chief component of current materials for wall and inevitable development trend with the supporting prefabricated Light trabs of Highrise buildings, skeleton construction.Wall body building material divides brick, piece, plate three major types product, wherein, concrete hollow partition plate is as novel wall material, of many uses, multiplex interior wall, exterior wall, roof boarding, floor, the enclosure wall etc. done, 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, improve the advantages such as construction quality, cost be moderate, in each city, just progressively improve at present application percentage.
Industrial residue is as in industrial production, and the poisonous and hazardous solid waste giving off, stores up for a long time and not only take a large amount of soils, and can cause the severe contamination of water system and atmosphere and harm.Flue dust and the obnoxious flavour of while taking incinerating method to process solid waste, discharging also can atmosphere pollutions.Therefore, according to the different in kind of different manufacturing enterprises, the trade waste composition of its generation is not identical yet, but the characteristic that can have according to various waste residues, select suitable material, take that it prepares hollow partition board as raw material, both solved the environment protection treating problem of solid waste thing, also contribute 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 preferably free calcium oxide, magnesian expansion issues, has certain activity.To be thermal power plant will discharge the waste residue of formation together with the sediment of flyash and boiler bottom to flyash bottom slag, 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 producing in ferroalloy smelting in metallurgical industry (as Rhometal, ferro-silicon, manganeseirom etc.) process.Mineral hot furnace slag is compared with flyash bottom slag has active low, feature that quality is light equally, and its microtexture is fibrously 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; can be regarded as a kind of idle resource, if according to its characteristic separately, prepare concrete hollow partition plate as raw material; contribute to carry out cycling and reutilization; not only can save and store up place, substitute existing raw material, economize on resources, reduce production costs; but also can protection of the environment, promote the reasonable disposition of resource.
Summary of the invention
The shortcoming of prior art, the object of the present invention is to provide a kind of concrete hollow partition plate and preparation method thereof in view of the above, for solving prior art shortage, uses industrial solid castoff as raw material, to prepare the problem of concrete hollow partition plate.
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;
Siccative component beyond dewatering in described raw material is first measured mixing, then with water mix and blend, carry out extrusion molding, can prepare described concrete hollow partition plate.
Preferably, a kind of concrete hollow partition plate, raw material comprises siccative and water, 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;
Siccative component beyond dewatering in described raw material is first measured mixing, then with water mix and blend, carry out extrusion molding, can prepare described concrete hollow partition plate.
Preferably, described cement is selected from 42.5 grades of ordinary Portland cements.
Preferably, described steel-making slag powder is the converter steel ground-slag through levigate.Further, the specification of described converter steel ground-slag is: specific surface area>=400m
2/ kg, free calcium oxide≤3wt%.
Preferably, the flyash bottom slag that described flyash bottom slag is particle diameter≤40mm.Particularly, described flyash bottom slag is selected from the flyash bottom slag that power plant's stove is discharged.
Preferably, the ironmaking alloy waste residue that described mineral hot furnace slag is particle diameter≤40mm.Particularly, described mineral hot furnace slag is selected from the ironmaking alloy waste residues such as ferronickel that metallurgical industry discharges, ferrosilicon, ferromanganese.
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 each components based on weight percentage amount in siccative, put into stirrer and stir, evenly mix, then add uniform stirring after water;
Preferably, in described siccative each component to put into stirrer churning time be 2-4 minute.
Preferably, described stirrer is general concrete mixer.
Preferably, described in, adding the churning time after water is 2-4 minute.
2) by step 1) extrusion molding of gained material, and the material after extrusion molding is carried out to natural curing more than 7 days; Obtain described concrete hollow partition plate.
Preferably, described extrusion molding refers to 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 is used material mover to transport.
Preferably, after described concrete hollow partition plate cutting, a plate, detection, numbering, put in storage.
Described plate refers to the hollow partition board after cutting from carrying on the ground.
Described detection refers to the factory inspection index that detects hollow partition board.Concrete, factory inspection index includes unit plane 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, that to take the industrial solid castoffs such as steel-making slag powder, flyash bottom slag, mineral hot furnace slag be main raw material, the recycling that belongs to Industrial Solid refuse, applicable to light building material fields such as insulation, sound insulation and fire-retardant materials.The potential volcanic ash effect that this concrete hollow partition plate makes full use of steel-making slag powder replaces part of cement, has not only reduced 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, itself and low activity mineral hot furnace slag have the feature that quality is light equally, as aglite, can reduce the quality of concrete product, improve its intensity.And low activity mineral hot furnace slag microtexture becomes fibrous, can play fiber reinforcement effect in concrete product, also can increase ultimate compression strength and the bending resistance carrying of sheet material.
Concrete hollow partition plate ultimate compression strength height and bending resistance carrying prepared by the present invention are large, there is light weight, insulation, sound insulation simultaneously, prevent fires, be convenient to the features such as installation, 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 > >, unit plane density≤140kg/m
2, ultimate compression strength>=5MPa, bending resistance carrying>=1.And the feature that a kind of solidifying native hollow partition board of the present invention has the useless environmental protection of profit, turns waste into wealth; not only saved Energy resources day by day in short supply, saved and store up place, substituted existing raw material, reduce production costs; and protected 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
Below in conjunction with specific embodiment, further set forth the present invention, should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.
Below, by specific specific examples explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification sheets.The present invention can also be implemented or be applied by other different embodiment, and the every details in this specification sheets also can be based on different viewpoints and application, carries out various modifications 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 Linkage Machinery Co., Ltd.; TYJ type single-lead-screw extruding briquetting machine, purchased from Shandong providence machinery limited-liability company; Material mover, with single-lead-screw extruding briquetting machine be support equipment, purchased from Shandong providence machinery limited-liability company.
Embodiment 1
As shown in Figure 1, take respectively by weight percentage siccative component: 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 cement and steel-making slag powder weight sum 0.4 times in siccative, and concrete data are in Table 1.As shown in Table 1, in siccative, to account for the weight percent of siccative be 20wt% for cement and steel-making slag powder weight sum, and the weight percent of the shared siccative of amount of water is 8wt%.
By the material of mixing extrusion molding in material mover is transported into single-lead-screw extruding briquetting machine, natural curing more than 7 days after moulding, then cuts, puts in storage after playing plate, detection, numbering.This concrete hollow partition plate after testing after, recording its thickness is 120mm, width is 600mm.
Embodiment 2
As shown in Figure 1, take respectively by weight percentage siccative component: 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, to account for the weight percent of siccative be 20wt% for cement and steel-making slag powder weight sum, and the weight percent of the shared siccative of amount of water is 8wt%.
By the material of mixing extrusion molding in material mover is transported into single-lead-screw extruding briquetting machine, natural curing more than 7 days after moulding, then cuts, puts in storage after playing plate, detection, numbering.This concrete hollow partition plate after testing after, recording its thickness is 120mm, width is 600mm.
Embodiment 3
As shown in Figure 1, take respectively by weight percentage siccative component: 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 cement and steel-making slag powder weight sum 0.4 times in siccative, and concrete data are in Table 1.As shown in Table 1, in siccative, to account for the weight percent of siccative be 20wt% for cement and steel-making slag powder weight sum, and the weight percent of the shared siccative of amount of water is 8wt%.
By the material of mixing extrusion molding in material mover is transported into single-lead-screw extruding briquetting machine, natural curing more than 7 days after moulding, then cuts, puts in storage after playing plate, detection, numbering.This concrete hollow partition plate after testing after, recording its thickness is 120mm, width is 600mm.
Embodiment 4
As shown in Figure 1, take respectively by weight percentage siccative component: 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 cement and steel-making slag powder weight sum 0.4 times in siccative, and concrete data are in Table 1.As shown in Table 1, in siccative, to account for the weight percent of siccative be 20wt% for cement and steel-making slag powder weight sum, and the weight percent of the shared siccative of amount of water is 8wt%.
By the material of mixing extrusion molding in material mover is transported into single-lead-screw extruding briquetting machine, natural curing more than 7 days after moulding, then cuts, puts in storage after playing plate, detection, numbering.This concrete hollow partition plate after testing after, recording its thickness is 120mm, 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 > >, it is that 120mm, width are the standard test specimen that 100mm, length are 100mm that the volume of the concrete hollow partition plate obtaining in embodiment 1～4 is cut into thickness.Then according to the method for stipulating in standard GB/T/T23449-2009, the performance perameters such as the plane density of standard test specimen, ultimate compression strength, bending resistance carrying are detected, then according to corresponding technical indicator, with real data comparison, detected result is in Table 2.
As shown in Table 2, the concrete hollow partition plate of preparing in the present invention meets the requirement of national standard, and wherein, a plurality of technical indicators are 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.Thereby concrete hollow partition plate is functional in the present invention, there is 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 |
| Unit plane 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
Surface of fracture to the concrete hollow partition plate obtaining in embodiment 1～4 carries out scanning electron microscope scanning, as shown in Figure 2, under the condition that scanning electron microscope sem amplification is 10000 times, can observe on the surface of fracture of concrete hollow partition plate and have filamentary structure, this component that is filamentary structure is mineral hot furnace slag.From Structure Mechanism, this fibrous microtexture of mineral hot furnace slag can play fiber reinforcement effect in concrete hollow partition plate, has increased 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 that to take the industrial solid castoffs such as steel-making slag powder, flyash bottom slag, mineral hot furnace slag be main raw material; can realize and 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 > >, be worthy of popularization very much, 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 can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (9)
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.
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 arbitrary described a kind of concrete hollow partition plate of claim 1 or 2, it is characterized in that, described steel-making slag powder is the converter steel ground-slag through levigate; The specification of described converter steel ground-slag is: specific surface area>=400m
2/ kg, free calcium oxide≤3wt%.
5. according to the arbitrary described a kind of concrete hollow partition plate of claim 1 or 2, it is characterized in that the flyash bottom slag that described flyash bottom slag is particle diameter≤40mm; The ironmaking alloy waste residue that described mineral hot furnace slag is particle diameter≤40mm.
6. according to the preparation method of the arbitrary described a kind of concrete hollow partition plate of claim 1-5, it is characterized in that, comprise the following steps:
1) by after each components based on weight percentage amount in siccative, put into stirrer and stir, evenly mix, then add uniform stirring after water;
2) by step 1) extrusion molding of gained material, and the material after extrusion molding is carried out to natural curing more than 7 days; Obtain described concrete hollow partition plate.
7. the preparation method of a kind of concrete hollow partition plate according to claim 6, is characterized in that, in described siccative, to put into stirrer churning time be 2-4 minute to each component.
8. the preparation method of a kind of concrete hollow partition plate according to claim 6, is characterized in that, described to add the churning time after water be 2-4 minute again.
9. the application in construction material according to the arbitrary described a kind of concrete hollow partition plate of claim 1-5.
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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 |
| CN106673554A (en) * | 2016-12-26 | 2017-05-17 | 上海中冶环境工程科技有限公司 | Waste-recycling lightweight partition board 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 |
| 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 |
| ES2683224A1 (en) * | 2017-03-23 | 2018-09-25 | Universidad De Burgos | Surface finish for concrete floors and application procedure. (Machine-translation by Google Translate, not legally binding) |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106673554A (en) * | 2016-12-26 | 2017-05-17 | 上海中冶环境工程科技有限公司 | Waste-recycling lightweight partition board and preparation method thereof |
| 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 |
| ES2683224A1 (en) * | 2017-03-23 | 2018-09-25 | Universidad De Burgos | Surface finish for concrete floors and application procedure. (Machine-translation by Google Translate, not legally binding) |
| 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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