CN104163596A - Ferro-nickel slag water permeable brick for pavements and preparation method of water permeable brick - Google Patents
Ferro-nickel slag water permeable brick for pavements and preparation method of water permeable brick Download PDFInfo
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- CN104163596A CN104163596A CN201410379741.5A CN201410379741A CN104163596A CN 104163596 A CN104163596 A CN 104163596A CN 201410379741 A CN201410379741 A CN 201410379741A CN 104163596 A CN104163596 A CN 104163596A
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- ferronickel slag
- permeable brick
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- road surface
- surface water
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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 invention relates to the technical field of building materials and particularly relates to a ferro-nickel slag water permeable brick for pavements and a preparation method thereof. A great deal of ferro-nickel slag is mixed into the adopted raw materials, so that the resource utilization of the ferro-nickel slag is remarkable, the treatment cost is reduced, a problem that the ferro-nickel slag is difficult to treat is effectively solved, and the environmental pollution is reduced; a modifier gypsum is introduced, so that part of a gel material can be effectively substituted by virtue of active ferro-nickel slag micro powder; by controlling the total mixing amount of the ferro-nickel slag in the water permeable brick to be over 75% and adding an activator, the breaking strength and the compressive strength as well as various indexes of the prepared ferro-nickel slag water permeable brick for pavements are guaranteed, the national comprehensive utilization industrial policy of the waste resources are fulfilled, and a great deal of the ferro-nickel slag can be treated, and thus the production cost and the energy consumption are reduced.
Description
Technical field
The present invention relates to building material technical field, especially a kind of ferronickel slag road surface water-permeable brick and preparation method thereof.
Background technology
Ferronickel slag is discharge in metallic nickel smelting process a kind of with FeO
2, SiO
2for the granulation industrial residue that the melts of main component forms after shrend, common every production 1t nickel approximately discharges 9～20t ferronickel slag.Ferronickel slag is divided into dry slag, grain slag, and bobrokite slag, low ferronickel slags etc. are dissimilar.In dry slag, Rhometal content is higher, and in grain slag, Rhometal content is lower.
In recent years, along with the increase of nickel output, ferronickel slag quantity discharged and volume of cargo in storage also increase thereupon, and according to statistics, national ferronickel slag annual emissions reaches up to ten million tons, comprehensive utilization of resources rate less than 8%.Only nearly 500,000 tons of ferronickel slags are just discharged in Guizhou Province every year, and utilize only 30,000 tons of left and right year, add up over the years volume of cargo in storage over 2,000,000 tons.Both at home and abroad non-ferrous metal industry smeltery mostly takes to store up or curing backfill mine ferronickel slag is outdoor, outdoor storing up not only occupies cultivated land, contaminate environment, and in ferronickel slag, objectionable impurities is penetrated in soil with rain drop erosion meeting, cause the pollution of surface water and underground water source, destroy ecotope.And cause the waste of ERM, increased production cost.
And in prior art, for the comprehensive utilization of ferronickel slag, be a difficult problem, particularly the difference of smelting technology and the difference of head grade cause its Chemical Composition extremely unbalanced, and the difficulty of utilization is large; always The magnesium oxide of ferronickel slag and iron oxide content height have limited its use field; In addition, because the content of calcium oxide and aluminum oxide in ferronickel slag is limited, do not there is in a short time the ability that makes ferronickel slag there is higher 28d compressive strength rate, limited its volume aspect cement material, limited its application at building material industry simultaneously yet.
Summary of the invention
In order to solve the above-mentioned technical problem existing in prior art, the invention provides a kind of consumable nickel Iron-ore Slag that can be relatively large, and undertaken after modification becomes micro mist adding wherein by ferronickel slag and promoting agent, improved while adopting ferronickel slag as raw material production adobe in conventional art, the intensity of adobe can not meet the technological deficiency of standard-required, improve adobe resistance to compression, folding strength and over-all properties thereof, improved ferronickel slag as ferronickel slag road surface water-permeable brick of the quality of the adobe of raw material production and preparation method thereof.
Specifically be achieved by the following technical programs:
A ferronickel slag road surface water-permeable brick, its raw material composition (take butt weighing scale) is 75～85 parts, ferronickel slag, 1～5 part of activate micro powder, 15～25 parts of cement.
Described raw material composition (take butt weighing scale) is 80 parts, ferronickel slag, 4 parts of activate micro powders, 20 parts of cement.
Described activate micro powder is comprised of 95-99 part ferronickel slag micropowder, 1-5 part promoting agent.
Described activate micro powder is comprised of 97 parts of ferronickel slag micropowders, 3 portions of promoting agents.
Described promoting agent is a kind of in industrial gypsum or the plaster of paris.
Described ferronickel slag micropowder is 300-500 object particle.
Described activate micro powder, its preparation method is, after ferronickel slag micropowder and promoting agent are mixed according to proportioning, to adopt pulverizing mill to grind into 300-500 order.
The particle size range of described ferronickel slag is 5-20mm.
The preparation method that another object of the present invention is to provide a kind of ferronickel slag road surface water-permeable brick, mixes raw material according to proportioning, and adopts stirrer to stir under the stirring velocity of 30r/min; Add wherein again water, and to control the water add be 0.23 with the ratio of raw material, continue to be uniformly mixed after 3min, then compound is sent into compression moulding in moulding brick pressing machine, wherein, during compression moulding, the voltage-frequency rate of shaking 45Hz, the pressure of the shaking time is 8s; By adobe normal curing to the 28 day length of time after moulding, can obtain ferronickel slag road surface water-permeable brick finished product.
Above-mentioned active nickel Iron-ore Slag micro mist used is in order to substitute a small amount of gelling material in traditional technology.
Above-mentioned cement used is ordinary Portland cement.
In technique scheme, in its raw material ferronickel slag, the content of calcium oxide, aluminum oxide is limited, and slower because of its active performance in a short time, there is certain limitation in its comprehensive utilization field; And by active nickel Iron-ore Slag micro mist, adopting ferronickel slag and promoting agent to carry out mixing and ball milling powdered adds, and then make the existence of promoting agent or properties-correcting agent, further make aluminum oxide in ferronickel slag and the activity of silicon-dioxide be embodied, the anti-folding, ultimate compression strength and the over-all properties thereof that have effectively strengthened the adobe of making, improved the quality of adobe.
Ferronickel raw materials of slag of the present invention is mainly to utilize its siliceous raw material; Under the effect of properties-correcting agent, excite the potential hydraulicity of its active silica, aluminum oxide, Substitute For Partial gelling material.
Cement raw material of the present invention is mainly as the gelling material that intensity is provided.
Properties-correcting agent of the present invention is gypsum, the Main Function of industrial by-products gypsum or the plaster of paris is to provide vitriol, utilize the activity in gypsum activation ferronickel slag micropowder, and then the level of activity in feed change, reduce the production cost of the adobe in traditional technology, shorten the production cycle of adobe.
Compared with prior art, technique effect of the present invention is embodied in:
1. by mixing a large amount of ferronickel slags in the starting material that adopt, make the recycling of ferronickel slag remarkable, saved processing cost, effectively solved ferronickel slag and be difficult to the problem of disposing, reduced environmental pollution;
2. by introducing properties-correcting agent gypsum, make effectively Substitute For Partial gelling material of active nickel Iron-ore Slag micro mist;
3. by industrial residue, the total volume in this water-permeable brick is controlled at more than 75%, and add promoting agent, anti-folding, ultimate compression strength and the over-all properties thereof of the adobe for preparing are guaranteed, and meet national waste material comprehensive utilization industry policy, can effectively eat up a large amount of ferronickel slags, reduce production costs, reduced energy consumption;
4. moreover, ferronickel slag water-permeable brick of the present invention can meet the requirement of relevant national standard to water-permeable brick defined, its intensity conventional art relative to every integrated performance index is all more excellent.
Embodiment
Below in conjunction with concrete embodiment, technical scheme of the present invention is done to further restriction, but claimed scope is not only confined to done description.
Embodiment 1
A ferronickel slag road surface water-permeable brick, raw material (take butt weighing scale) is ferronickel slag 75kg, activate micro powder 1kg, cement 15kg.
Wherein activate micro powder is comprised of 97kg ferronickel slag micropowder, 3kg promoting agent, and after ferronickel slag micropowder and promoting agent are mixed according to proportioning, adopts pulverizing mill to grind into 500 orders, is made.
Wherein promoting agent is industrial gypsum.
Wherein ferronickel slag micropowder is 500 object particles.
Wherein the particle diameter of ferronickel slag is 15-20mm.
Its preparation method is:
Raw material is mixed according to proportioning, and adopt stirrer to stir under the stirring velocity of 30r/min; Add wherein again water, and to control the water add be 0.23 with the ratio of raw material, continue to be uniformly mixed after 3min, then compound is sent into compression moulding in moulding brick pressing machine, wherein, during compression moulding, the voltage-frequency rate of shaking 45Hz, the pressure of the shaking time is 8s; By adobe normal curing to the 28 day length of time after moulding, can obtain ferronickel slag road surface water-permeable brick finished product.
Maintenance is to adopt natural curing, watering maintenance.
Embodiment 2
A ferronickel slag road surface water-permeable brick, on the basis of embodiment 1, other preparation method's steps are with embodiment 1, and raw material (take butt weighing scale) is ferronickel slag 85kg, activate micro powder 5kg, cement 25kg.
Wherein activate micro powder is comprised of 99kg ferronickel slag micropowder, 1kg promoting agent, and after ferronickel slag micropowder and promoting agent are mixed according to proportioning, adopts pulverizing mill to grind into 400 orders, is made.
Wherein promoting agent is the plaster of paris.
Wherein ferronickel slag micropowder is 400 object particles.
Wherein the particle diameter of ferronickel slag is 10-15mm.
Maintenance adopts vapor cure, 100 ℃ of vapor temperatures.
Embodiment 3
A ferronickel slag road surface water-permeable brick, on the basis of embodiment 1, other preparation method's steps are with embodiment 1, and raw material (take butt weighing scale) is ferronickel slag 80kg, activate micro powder 3kg, cement 20kg.
Wherein activate micro powder is comprised of 95kg ferronickel slag micropowder, 5kg promoting agent, and after ferronickel slag micropowder and promoting agent are mixed according to proportioning, adopts pulverizing mill to grind into 300 orders, is made.
Wherein promoting agent is industrial gypsum.
Wherein ferronickel slag micropowder is 300 object particles.
Wherein the particle diameter of ferronickel slag is 5-10mm.
Embodiment 4
On the basis of embodiment 1, other steps are with embodiment 1, and the proportioning raw materials of ferronickel slag road surface water-permeable brick (take butt weighing scale) is ferronickel slag 80%, activate micro powder 5%, cement 15%.
Embodiment 5
On the basis of embodiment 1, other steps are with embodiment 1, and the proportioning raw materials of ferronickel slag road surface water-permeable brick (take butt weighing scale) is ferronickel slag 85%, activate micro powder 3%, cement 12%.
Embodiment 6
On the basis of embodiment 1, other steps are with embodiment 1, and the proportioning raw materials of ferronickel slag road surface water-permeable brick (take butt weighing scale) is ferronickel slag 85%, activate micro powder 5%, cement 10%.
Embodiment 7
On the basis of embodiment 1, other steps are with embodiment 1, and the proportioning raw materials of ferronickel slag road surface water-permeable brick (take butt weighing scale) is ferronickel slag 75%, activate micro powder 1%, cement 24%.
Test example:
With reference to standard GB/T/T25993--2010 < < permeable pavement brick and porous pavement plate > > and JCT446-2000 < < concrete road pavement brick > > standard, the product of above-described embodiment 1～7 maintenance gained is detected, its detected result is as shown in table 1 below:
Water-permeable brick maintenance rear section, table 1 ferronickel slag road surface performance
By upper table 1 data presentation result, can be found out, the ferronickel slag road surface water-permeable brick product that the present invention produces, its indices all reaches country and the requirement of building material industry standard to ferronickel slag road surface water-permeable brick defined.And in resistance to compression, frost resistance and over-all properties thereof, tool advantage preferably relatively also, and the water permeability of brick is also higher.
At this, it is important to point out; the technique effect that above embodiment and test example only limit to reach technical scheme of the present invention is further elaborated and understands; it is not the further restriction to technical scheme of the present invention; the non-outstanding essential characteristics that those skilled in the art make on this basis and the improvement of non-marked improvement, all belong to protection category of the present invention.
Claims (7)
1. a ferronickel slag road surface water-permeable brick, is characterized in that, its raw material composition (take butt weighing scale) is 75～85 parts, ferronickel slag, 1～5 part of activate micro powder, 15～25 parts of cement.
2. ferronickel slag as claimed in claim 1 road surface water-permeable brick, is characterized in that, described raw material composition (take butt weighing scale) is 80 parts, ferronickel slag, 4 parts of activate micro powders, 20 parts of cement.
3. ferronickel slag as claimed in claim 1 or 2 road surface water-permeable brick, is characterized in that, after described activate micro powder is mixed according to proportioning by 95-99 part ferronickel slag micropowder, 1-5 part promoting agent, adopts pulverizing mill to grind into 300-500 order.
4. ferronickel slag as claimed in claim 1 or 2 road surface water-permeable brick, is characterized in that, after described activate micro powder is mixed according to proportioning by 97 parts of ferronickel slag micropowders, 3 portions of promoting agents, adopts pulverizing mill to grind into 300-500 order.
5. ferronickel slag as claimed in claim 3 road surface water-permeable brick, is characterized in that, described promoting agent is a kind of in industrial gypsum or the plaster of paris.
6. ferronickel slag as claimed in claim 1 or 2 road surface water-permeable brick, is characterized in that, the particle size range of described ferronickel slag is 5-20mm.
7. the preparation method of the ferronickel slag road surface water-permeable brick as described in claim 1-6 any one, is characterized in that, raw material is mixed according to proportioning, and adopt stirrer to stir under the stirring velocity of 30r/min; Add wherein again water, and to control the water add be 0.23 with the ratio of raw material, continue to be uniformly mixed after 3min, then compound is sent into compression moulding in moulding brick pressing machine, wherein, during compression moulding, the voltage-frequency rate of shaking 45Hz, the pressure of the shaking time is 8s; By adobe normal curing to the 28 day length of time after moulding, can obtain ferronickel slag road surface water-permeable brick finished product.
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| CN201410379741.5A CN104163596B (en) | 2014-08-04 | 2014-08-04 | A kind of ferronickel slag road surface water-permeable brick and preparation method thereof |
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Cited By (8)
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| CN105439622A (en) * | 2015-11-11 | 2016-03-30 | 合肥李诺新材料贸易有限公司 | Sand-based water permeable brick with excellent fracture resistance and manufacturing method thereof |
| CN106045477A (en) * | 2016-06-01 | 2016-10-26 | 山东理工大学 | Preparation method of ferronickel residue sintered water-permeable bricks |
| CN106082895A (en) * | 2016-06-01 | 2016-11-09 | 山东理工大学 | A kind of preparation method of ferronickel slag steam pressure water-permeable brick |
| CN106565174A (en) * | 2016-11-11 | 2017-04-19 | 唐健发 | Water permeable brick and preparation method thereof |
| CN107056200A (en) * | 2016-12-30 | 2017-08-18 | 福建源鑫环保科技有限公司 | A kind of method for preparing environment friendly pervious brick using industrial melting waste slag |
| CN108004868A (en) * | 2017-10-19 | 2018-05-08 | 四川欧迅能源工程科技有限公司 | A kind of quitter is laid with steady layer of water or the method for supercrust |
| CN109912277A (en) * | 2019-03-27 | 2019-06-21 | 广东清大同科环保技术有限公司 | A kind of road surface load-carrying water-permeable brick |
| CN113548845A (en) * | 2020-04-24 | 2021-10-26 | 海安南京大学高新技术研究院 | Multi-element solid waste material high-strength water permeable brick and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439622A (en) * | 2015-11-11 | 2016-03-30 | 合肥李诺新材料贸易有限公司 | Sand-based water permeable brick with excellent fracture resistance and manufacturing method thereof |
| CN106045477A (en) * | 2016-06-01 | 2016-10-26 | 山东理工大学 | Preparation method of ferronickel residue sintered water-permeable bricks |
| CN106082895A (en) * | 2016-06-01 | 2016-11-09 | 山东理工大学 | A kind of preparation method of ferronickel slag steam pressure water-permeable brick |
| CN106565174A (en) * | 2016-11-11 | 2017-04-19 | 唐健发 | Water permeable brick and preparation method thereof |
| CN107056200A (en) * | 2016-12-30 | 2017-08-18 | 福建源鑫环保科技有限公司 | A kind of method for preparing environment friendly pervious brick using industrial melting waste slag |
| CN107056200B (en) * | 2016-12-30 | 2019-08-27 | 福建源鑫环保科技有限公司 | A method of environment friendly pervious brick is prepared using industrial melting waste slag |
| CN108004868A (en) * | 2017-10-19 | 2018-05-08 | 四川欧迅能源工程科技有限公司 | A kind of quitter is laid with steady layer of water or the method for supercrust |
| CN109912277A (en) * | 2019-03-27 | 2019-06-21 | 广东清大同科环保技术有限公司 | A kind of road surface load-carrying water-permeable brick |
| CN113548845A (en) * | 2020-04-24 | 2021-10-26 | 海安南京大学高新技术研究院 | Multi-element solid waste material high-strength water permeable brick and preparation method thereof |
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Effective date of registration: 20170629 Address after: 550000 Nanming, Guizhou Province, Sha Chong Chong Road, No. 13, No. Co-patentee after: Guizhou industrial solid waste comprehensive utilization (building material) Engineering Technology Research Center Patentee after: Co., Ltd of Guizhou Prov. Building Material Science Inst. Address before: 550008 B548 building, Jinyang science and Technology Industrial Park, Guiyang hi tech Zone, Guizhou, China Patentee before: Guizhou industrial solid waste comprehensive utilization (building material) Engineering Technology Research Center |