CN103848582B - The gelling material of soil solidification - Google Patents
The gelling material of soil solidification Download PDFInfo
- Publication number
- CN103848582B CN103848582B CN201210511363.2A CN201210511363A CN103848582B CN 103848582 B CN103848582 B CN 103848582B CN 201210511363 A CN201210511363 A CN 201210511363A CN 103848582 B CN103848582 B CN 103848582B
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- CN
- China
- Prior art keywords
- gelling material
- aluminium
- soil solidification
- micro mist
- slag
- Prior art date
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Classifications
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Processing Of Solid Wastes (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a kind of gelling material for soil solidification, belong to field of cementing material technology.It comprises the raw material of following mass percent: aluminium slag micro mist 20% ~ 40%, slag micropowder 30% ~ 50%, flyash 5% ~ 20%, desulfurated plaster 10% ~ 15% and admixture 1% ~ 5%; the aluminium slag micro mist that the present invention adopts be produce in Aluminum Electrolysis Production engineering containing aluminium solid waste; make refuse reclamation, cost-saving and be conducive to environment protection.
Description
Technical field
The invention belongs to building material field, particularly a kind of gelling material for soil solidification.
Background technology
The Aluminium Industry of China is in Rapid development stage, has become the big producing country of world's electrolytic aluminum.According to statistics, the aluminium slag that the aluminium electrolysis enterprise that annual production is 100,000 tons discharges every year reaches 5000 tons, and the whole nation about has the aluminium slag of 20 ~ 300,000 tons every year, high number.The treatment process generally adopting landfill, store up at present, not only takies a large amount of soil, causes environmental pollution, and wherein many useful chemical compositions are run off and waste, and on the other hand, aluminium slag is a kind of reproducible resource, but does not obtain enough attention always.Therefore must reasonably recycle this part solid waste, turn waste into wealth, also can reach improvement Industrial " three Waste " simultaneously, stop the object of environmental pollution.China's aluminum current Slag treatment rate of recovery is low, and energy expenditure is large, should greatly develop new technology to change this backward state.
Current industrial production soil gelling material generally adopts the waste residue such as phosphorus slag, slag, but due to the large supply deficiency of consumption, price increase cost is higher.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provides a kind of with low cost, gelling material for soil solidification of being of value to environment protection.
Technical solution of the present invention is, provides a kind of gelling material for soil solidification: it is made up of the raw material of following weight percent: aluminium slag micro mist 20% ~ 40%, slag micropowder 30% ~ 50%, flyash 5% ~ 20%, desulfurated plaster 10% ~ 15% and admixture 1% ~ 5%.
Described aluminium slag micro mist need be immersed in 2-3 days in water, then dries 22 ~ 26 hours at 70 ~ 80 DEG C of temperature.Because containing calcium oxide and metallic aluminium in aluminium ground-slag, meet water in alkalescence, cause aluminium and alkali reaction to generate aluminium hydroxide and hydrogen can make aluminium slag micro mist expand and cannot use, therefore aluminium slag micro mist re-uses after must first allowing it fully soak before use.
Described admixture be water glass, sodium sulfate, kaolin, Tai-Ace S 150, Calucium Silicate powder, lime, trolamine one or more.
(main component of desulfurated plaster is terra alba CaSO to described desulfurated plaster
42H
2o, for gypsum effective content is described, can regard desulfurated plaster as CaOSO
32H
2o) with sulfur trioxide wherein, require that the content of its sulphur trioxide is greater than 38%.
Described aluminium slag micro mist be produce in Aluminum Electrolysis Production engineering containing aluminium solid waste, after separate grinding, fineness is 250 orders.
Described flyash is the one-level of power plant, second class powered coal ash or reach the wet ash discharge of second class powered coal ash fineness.
Described slag micropowder be through separate grinding, specific surface area be 350m
2/ kg-600m
2the slag micropowder of/kg.
Described aluminium ground-slag gelling material, preferred mass percent is: aluminium slag micro mist 20%, slag micropowder 50%, flyash 15%, desulfurated plaster 10% and admixture 5%.
Advantage of the present invention is: generally adopt the waste residue such as phosphorus slag, slag as raw material production soil solidification gelling material in industry, market value is higher, the present invention adopts aluminium slag micro mist to be the gelling material of main raw material for the preparation of soil solidification, decreases the landfill that generally adopts in aluminum electrolysis industry and stores up the ring that process aluminium slag method causes
Environment pollution, and utilization of waste material greatly reduces production cost.
Embodiment
Below in conjunction with specific embodiment, the present invention is further explained:
Embodiment 1
Aluminium slag micro mist 20%, slag micropowder 50%, flyash 15%, desulfurated plaster 10%, water glass 5%.Aluminium slag powder cementitious material performance index: time of coagulation: initial set 156min, final set 330min; Stability is qualified; Ultimate compression strength: F3d is 16.0MPa, F28d is 39.5MPa; Folding strength: F3d is 3.9MPa, F28d is 6.5MPa.Aluminium slag powder cementitious material curing agent ratio 14%, water cement ratio 0.45,28 days unconfined compression strength 1.2MPa.
Wherein, F3d refer to gelling material harden 3 days time intensity, F28d refer to gelling material harden 28 days time intensity, F3d with F28d described in following examples look like all identical with embodiment 1.
Embodiment 2
Aluminium slag micro mist 30%, slag micropowder 35%, flyash 18%, desulfurated plaster 12%, sodium sulfate 2%,
Trolamine 3%.Aluminium ground-slag gelling material performance index: time of coagulation is initial set 180min, final set 350min; Stability is qualified; Ultimate compression strength: F3d is 14.0MPa, F28d is 35.5MPa; Folding strength: F3d is 3.5MPa, F28d is 6.0MPa.Aluminium slag powder cementitious material curing agent ratio 14%, water cement ratio 0.5,28 days unconfined compression strength 0.91MPa.
Embodiment 3
Aluminium slag micro mist 40%, slag micropowder 25%; Flyash 20%, desulfurated plaster 12%, Tai-Ace S 150 3%.Aluminium ground-slag gelling material performance index: time of coagulation is initial set 200min, final set 375min; Stability is qualified; Ultimate compression strength: F3d is 12.0MPa, F28d is 33.5MPa; Folding strength: F3d is 3.3MPa, F28d is 5.2MPa.Aluminium slag powder cementitious material curing agent ratio 14%, water cement ratio 0.5,28 days unconfined compression strength 0.88MPa.
Claims (7)
1. the gelling material for soil solidification, it is characterized in that, it comprises the raw material of following weight percent: aluminium slag micro mist 20% ~ 40%, slag micropowder 30% ~ 50%, flyash 5% ~ 20%, desulfurated plaster 10% ~ 15%, admixture 1% ~ 5%;
Wherein, aluminium slag micro mist to be fully immersed in water 2 ~ 3 days, then at 70 ~ 80 DEG C of temperature, dries 22-26 hour;
Described aluminium slag micro mist be produce in Aluminum Electrolysis Production engineering containing aluminium solid waste, be 250 orders through separate grinding fineness.
2. the gelling material of soil solidification according to claim 1, is characterized in that, it is made up of following materials in percentage by mass: aluminium slag micro mist 20%, slag micropowder 50%, flyash 15%, desulfurated plaster 10%, admixture 5%.
3. the gelling material of soil solidification according to claim 1 and 2, is characterized in that, aluminium slag micro mist to be fully immersed in water 2 ~ 3 days, then at 70 ~ 80 DEG C of temperature, to dry 22-26 hour.
4. soil solidification gelling material according to claim 1 and 2, is characterized in that, described admixture is one or more in water glass, sodium sulfate, kaolin, Tai-Ace S 150, Calucium Silicate powder, lime, trolamine.
5. according to the gelling material of the soil solidification described in claim 1 or 2, it is characterized in that, in described desulfurated plaster, its sulfur trioxide content is greater than 38%.
6. the gelling material of soil solidification according to claim 1 and 2, described flyash is one-level, the second class powered coal ash of power plant, or reaches the wet ash discharge of second class powered coal ash fineness.
7. the gelling material of soil solidification according to claim 1 and 2, is characterized in that, described slag micropowder is 350m through separate grinding, specific surface area
2/ kg-600m
2the slag micropowder of/kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210511363.2A CN103848582B (en) | 2012-12-04 | 2012-12-04 | The gelling material of soil solidification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210511363.2A CN103848582B (en) | 2012-12-04 | 2012-12-04 | The gelling material of soil solidification |
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| Publication Number | Publication Date |
|---|---|
| CN103848582A CN103848582A (en) | 2014-06-11 |
| CN103848582B true CN103848582B (en) | 2015-09-09 |
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|---|---|---|---|
| CN201210511363.2A Expired - Fee Related CN103848582B (en) | 2012-12-04 | 2012-12-04 | The gelling material of soil solidification |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107384418B (en) * | 2017-07-18 | 2020-02-14 | 北京埃克兰德生态环保技术有限公司 | Soil fixation ecological restoration agent and preparation method thereof |
| CN107663035B (en) * | 2017-10-18 | 2020-05-22 | 浙江大学 | Preparation method of aluminum ash based geopolymer cementing material |
| CN109503015A (en) * | 2018-12-25 | 2019-03-22 | 赤峰市森元新型材料有限公司 | A kind of high activity construction material auxiliary material and preparation method thereof |
| JP2020183338A (en) * | 2019-05-09 | 2020-11-12 | 宇部興産株式会社 | Admixture for mortar concrete, cement composition, mortar composition and concrete composition containing the same, and method for producing mortar cured product and concrete cured product |
| CN111778033A (en) * | 2020-06-28 | 2020-10-16 | 鞍钢绿色资源科技有限公司 | Curing agent for curing soil and application method |
| CN111848078A (en) * | 2020-06-28 | 2020-10-30 | 鞍钢绿色资源科技有限公司 | Special curing agent for curing steel tailings and application method thereof |
| CN112500100A (en) * | 2020-10-26 | 2021-03-16 | 张夏艇 | Anti-cracking soil curing agent and using method thereof |
| CN113880510A (en) * | 2021-10-19 | 2022-01-04 | 山西省交通科技研发有限公司 | Stabilizer for road base mixture and construction method thereof |
| CN114213069B (en) * | 2021-11-23 | 2022-08-12 | 中国铁建港航局集团有限公司 | Cementing material for improving soft soil foundation soil prepared from construction waste |
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| JP3703359B2 (en) * | 2000-03-01 | 2005-10-05 | 有限会社アドセラミックス研究所 | Non-burning cement and underfloor structure of buildings using it |
| CN101007724A (en) * | 2007-01-14 | 2007-08-01 | 葫芦岛市辽西混凝土外加剂有限公司 | Binding material of construction motar and producing method thereof |
| CN102352255A (en) * | 2011-07-20 | 2012-02-15 | 东南大学 | Silt curing agent base on industrial waste materials |
| CN102703086A (en) * | 2012-05-21 | 2012-10-03 | 沈阳大学 | Inorganic soil curing agent and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007106651A (en) * | 2005-10-17 | 2007-04-26 | Hazama Corp | Expansion suppressor for cement composition, and cement composition |
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2012
- 2012-12-04 CN CN201210511363.2A patent/CN103848582B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3703359B2 (en) * | 2000-03-01 | 2005-10-05 | 有限会社アドセラミックス研究所 | Non-burning cement and underfloor structure of buildings using it |
| CN101007724A (en) * | 2007-01-14 | 2007-08-01 | 葫芦岛市辽西混凝土外加剂有限公司 | Binding material of construction motar and producing method thereof |
| CN102352255A (en) * | 2011-07-20 | 2012-02-15 | 东南大学 | Silt curing agent base on industrial waste materials |
| CN102703086A (en) * | 2012-05-21 | 2012-10-03 | 沈阳大学 | Inorganic soil curing agent and preparation method thereof |
Non-Patent Citations (1)
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| 利用铝渣生产复合水泥的成功实践;徐子芳等;《中国水泥》;20041231;第81-82页 * |
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| CN103848582A (en) | 2014-06-11 |
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Granted publication date: 20150909 Termination date: 20161204 |