CN104529197A - Preparation method of novel composite cementing material - Google Patents
Preparation method of novel composite cementing material Download PDFInfo
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- CN104529197A CN104529197A CN201510033069.9A CN201510033069A CN104529197A CN 104529197 A CN104529197 A CN 104529197A CN 201510033069 A CN201510033069 A CN 201510033069A CN 104529197 A CN104529197 A CN 104529197A
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- Prior art keywords
- composite
- preparation
- smelting slag
- copper smelting
- gel material
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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
Abstract
The invention discloses a preparation method of a novel composite cementing material, which comprises the following steps of firstly weighing desulfurized gypsum, sodium silicate and calcium oxide in a certain proportion, and carrying out mixed grinding on the materials to obtain a composite ultrafine micro powder excitant; weighing copper smelting slag and cement clinker in a certain proportion, and levigating by using a test mill; adding the prepared composite superfine micropowder excitant into a mixture of ground copper smelting slag and cement clinker, adding sodium metaaluminate serving as an active aluminum additive, and performing secondary mixing grinding by a small test mill to obtain the composite cementing material. The prepared cementing material has good cementing property, good working property, moderate strength and small environmental load, and can replace part of cement to be used for filling metal mines.
Description
Technical field
The present invention relates to technical field of inorganic material, particularly relate to a kind of preparation method of novel composite gel material.
Background technology
At present, it is mine significant problem urgently to be resolved hurrily that non-ferrous metal solid waste discharge and resource utilization are dissolved, restriction Mineral Resources in China Sustainable Development and Utilization and the bottleneck that develops in a healthy way of mining industry are become, thoroughly to remove the restriction of coloured solid waste to resource, environment, the sustainable resource use patterns of green being recycling as feature with changing waste into resources must be greatly developed.
Cement is as filling in mine gelling material, it is raw materials cost maximum in backfilling process, there are problems in China's Cement industry: produces that high, the environmental pollution of energy consumption is serious, ecologic disturbance etc., and these problems have directly had influence on the life of the mankind, work and social environment.How to strengthen the recycling to various solid waste, greatly developing substitute energy, resource or the low-grade crude fuel comprehensive utilization technique in cement industry, is current urgent problem.
Summary of the invention
The object of this invention is to provide a kind of preparation method of novel composite gel material, prepared gelling material gelling property is good, serviceability is good, moderate strength, and carrying capacity of environment is little, can replace part of cement for metal mine filling.
A preparation method for novel composite gel material, described method comprises:
Take a certain proportion of desulfurated plaster, water glass and calcium oxide, after being processed by above-mentioned materials mix grinding, obtain composite superfine micro mist exciting agent;
Take a certain proportion of copper smelting slag and cement clinker, and the little mill of use-testing is levigate;
The composite superfine micro mist exciting agent prepared is joined in the mixture of the copper smelting slag after grinding and cement clinker, and adds sodium metaaluminate as active aluminum additive, after test mill secondary mix grinding, obtain composite gelled material.
Comprise in described composite superfine micro mist exciting agent:
Account for the desulfurated plaster of total mass 3-10%, the water glass of 3-5% and account for the calcium oxide of described desulfurated plaster quality 50%.
Described desulfurated plaster is as sulphate activation agent; Described water glass is as alkali-activator; Described calcium oxide is as hardening accelerator.
The specific surface area of described composite superfine micro mist exciting agent is at 480-680m
2between/kg.
Comprise in obtained composite gelled material:
Account for the copper smelting slag of total mass 50-70%, the cement clinker of 20-40%, the composite superfine micro mist exciting agent of 10-15%, and account for the sodium metaaluminate of described copper smelting slag quality 2%.
Specific surface area after the little mill of described copper smelting slag use-testing is levigate is 380-580m
2/ kg;
Specific surface area after the little mill of described cement clinker use-testing is levigate is 380-580m
2/ kg.
The specific surface area of the composite gelled material obtained is at 480-680m
2between/kg.
As seen from the above technical solution provided by the invention, prepared gelling material gelling property is good, serviceability good, moderate strength, and carrying capacity of environment is little, can replace part of cement for metal mine filling.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 provides by the embodiment of the present invention preparation method's schematic flow sheet of novel composite gel material.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection scope of the present invention.
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in further detail, be illustrated in figure 1 the embodiment of the present invention preparation method's schematic flow sheet of novel composite gel material is provided, described method comprises:
Step 11: take a certain proportion of desulfurated plaster, water glass and calcium oxide, obtains composite superfine micro mist exciting agent after being processed by above-mentioned materials mix grinding;
In this step, in described composite superfine micro mist exciting agent, the mass percent of concrete component is:
Account for the desulfurated plaster of total mass 3-10%, the water glass of 3-5% and account for the calcium oxide of described desulfurated plaster quality 50%.
In specific implementation, above-mentioned desulfurated plaster is as sulphate activation agent; Water glass is as alkali-activator; Calcium oxide is as hardening accelerator.
The specific surface area of the composite superfine micro mist exciting agent obtained is at 480-680m
2between/kg.
Step 12: take a certain proportion of copper smelting slag and cement clinker, and the little mill of use-testing is levigate;
In this step, the little mill of described copper smelting slag use-testing levigate after specific surface area be 380-580m
2/ kg;
Specific surface area after the little mill of described cement clinker use-testing is levigate is 380-580m
2/ kg.
Step 13: the composite superfine micro mist exciting agent prepared is joined in the mixture of the copper smelting slag after grinding and cement clinker, and adds sodium metaaluminate as active aluminum additive, obtain composite gelled material after test mill secondary mix grinding.
In this step, in the composite gelled material obtained, the mass percent of each component is:
Account for the copper smelting slag of total mass 50-70%, the cement clinker of 20-40%, the composite superfine micro mist exciting agent of 10-15%, and account for the sodium metaaluminate of described copper smelting slag quality 2%.
The specific surface area of the final composite gelled material obtained is at 480-680m
2between/kg.
The numerical value of specific surface area described is in embodiments of the present invention that the method specified according to " Method of determination for specific surface of cement Bo Shi method " (GB/T8074-2008) measures the numerical value obtained.
Further, above-mentioned quality proportioning can also be adjusted further according to test result, thus obtain preferred embodiment.
With concrete example, above-mentioned preparation method is described below, first extracts raw material by following proportioning: Copper making waste residue 51.68%, cement clinker 37.59%; Desulfurated plaster 3.13% in composite superfine micro mist exciting agent, water glass 5.00%, calcium oxide 1.57%, comprising active aluminum additive is in addition 1.03%.
Process according to the following steps again: Copper making waste residue, cement clinker are carried out grinding respectively through test mill, and fineness reaches 508.65m respectively
2/ kg, 568.75m
2/ kg, adding specific surface area is afterwards 426.41m
2the composite superfine micro mist exciting agent of/kg, sodium metaaluminate intergrinding, the composite gelled material specific surface area of final gained is 622.01m
2/ kg.
Above-mentioned preparation method can farthest dissolve Copper making waste residue, and environmental protect, the utilization ratio of Copper making waste residue reaches 52%.
Measure described gelling material result through " Test method for strength of hydraulic cement mortar " (GB/T17671-1999) to show, prepared composite gelled material intensity is high, and 28d ultimate compression strength, the 28d folding strength of glue sand firmware are respectively 34.25MPa, 6.22MPa; The setting and harden time is short, can accelerate rate of progress of the construction.Presetting period, the final setting time of this gelling material are respectively 220min, 310min, and the presetting period meeting 32.5 grade composite silicate cement is not less than 45min, and final setting time is not more than the requirement of 600min.
In sum, preparation method's tool that the embodiment of the present invention provides has the following advantages:
(1) its main raw material(s) is copper smelting slag, has not only expanded the raw material sources for the production of gelling material, and has taken full advantage of Nonferrous Metals Smelting Slags, achieves the recycling to secondary resource;
(2) preparation process does not need to have to pass through as conventional cement " two mills one burn ", the intensity of requirement only just need can be obtained by grinding and exciting agent, greatly save resource and the energy, decreased the pollution to environment simultaneously, there is good economy and social effect;
(3) achieve the gelling material technology of preparing of compound activator and the pre-mixing of slag micropowder agglutination material, do not re-use liquid exciting agent, improve convenience and the security of construction, certain basis has been established in the large-scale production for gelling material;
(4) compared with conventional cement based cementitious material, the composite gelled material prepared by above-mentioned approach possesses good mechanical property and workability equally.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (7)
1. a preparation method for novel composite gel material, is characterized in that, described method comprises:
Take a certain proportion of desulfurated plaster, water glass and calcium oxide, after being processed by above-mentioned materials mix grinding, obtain composite superfine micro mist exciting agent;
Take a certain proportion of copper smelting slag and cement clinker, and the little mill of use-testing is levigate;
The composite superfine micro mist exciting agent prepared is joined in the mixture of the copper smelting slag after grinding and cement clinker, and adds sodium metaaluminate as active aluminum additive, after test mill secondary mix grinding, obtain composite gelled material.
2. the preparation method of novel composite gel material according to claim 1, is characterized in that, comprise in described composite superfine micro mist exciting agent:
Account for the desulfurated plaster of total mass 3-10%, the water glass of 3-5% and account for the calcium oxide of described desulfurated plaster quality 50%.
3. the preparation method of novel composite gel material according to claim 1 or 2, is characterized in that,
Described desulfurated plaster is as sulphate activation agent; Described water glass is as alkali-activator; Described calcium oxide is as hardening accelerator.
4. the preparation method of novel composite gel material according to claim 1, it is characterized in that, the specific surface area of described composite superfine micro mist exciting agent is at 480-680m
2between/kg.
5. the preparation method of novel composite gel material according to claim 1, is characterized in that, comprise in obtained composite gelled material:
Account for the copper smelting slag of total mass 50-70%, the cement clinker of 20-40%, the composite superfine micro mist exciting agent of 10-15%, and account for the sodium metaaluminate of described copper smelting slag quality 2%.
6. the preparation method of novel composite gel material according to claim 1 or 5, is characterized in that,
Specific surface area after the little mill of described copper smelting slag use-testing is levigate is 380-580m
2/ kg;
Specific surface area after the little mill of described cement clinker use-testing is levigate is 380-580m
2/ kg.
7. the preparation method of novel composite gel material according to claim 1, is characterized in that,
The specific surface area of the composite gelled material obtained is at 480-680m
2between/kg.
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|---|---|---|---|
| CN201510033069.9A CN104529197A (en) | 2015-01-22 | 2015-01-22 | Preparation method of novel composite cementing material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107365093A (en) * | 2017-06-27 | 2017-11-21 | 紫金铜业有限公司 | A kind of preparation method of the active copper ashes of binder materials |
| CN111320401A (en) * | 2018-12-13 | 2020-06-23 | 广西绿色水泥产业工程院有限公司 | Copper slag portland cement material and preparation method thereof |
| CN112499997A (en) * | 2020-12-18 | 2021-03-16 | 张建华 | Non-ferrous metal waste residue cementing material and preparation method and application thereof |
| CN112552004A (en) * | 2020-12-11 | 2021-03-26 | 铜陵有色金属集团铜冠建筑安装股份有限公司 | Cementing material using copper smelting water quenching slag powder and preparation method thereof |
| CN116573867A (en) * | 2023-05-12 | 2023-08-11 | 昆明理工大学 | Low-activity copper smelting slag composite cementing material and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86108100A (en) * | 1986-12-15 | 1988-06-29 | 中国有色金属工业总公司铜陵有色金属公司建筑安装公司 | Copper slag cement |
| EP0434112A1 (en) * | 1989-12-20 | 1991-06-26 | S.A. Ciments D'obourg | Hydraulic binder, particularly for grouting, and grout thus obtained |
| CN101434460A (en) * | 2007-11-15 | 2009-05-20 | 苏艳杰 | Color cement made from copper-smelting slag |
| CN103787602A (en) * | 2014-01-17 | 2014-05-14 | 北京奥润开元环保科技研究院有限公司 | Superfine regeneration powder compound geopolymer cementing material |
| CN104193200A (en) * | 2014-08-28 | 2014-12-10 | 北京矿冶研究总院 | Preparation method of novel cementing material |
-
2015
- 2015-01-22 CN CN201510033069.9A patent/CN104529197A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86108100A (en) * | 1986-12-15 | 1988-06-29 | 中国有色金属工业总公司铜陵有色金属公司建筑安装公司 | Copper slag cement |
| EP0434112A1 (en) * | 1989-12-20 | 1991-06-26 | S.A. Ciments D'obourg | Hydraulic binder, particularly for grouting, and grout thus obtained |
| CN101434460A (en) * | 2007-11-15 | 2009-05-20 | 苏艳杰 | Color cement made from copper-smelting slag |
| CN103787602A (en) * | 2014-01-17 | 2014-05-14 | 北京奥润开元环保科技研究院有限公司 | Superfine regeneration powder compound geopolymer cementing material |
| CN104193200A (en) * | 2014-08-28 | 2014-12-10 | 北京矿冶研究总院 | Preparation method of novel cementing material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107365093A (en) * | 2017-06-27 | 2017-11-21 | 紫金铜业有限公司 | A kind of preparation method of the active copper ashes of binder materials |
| CN111320401A (en) * | 2018-12-13 | 2020-06-23 | 广西绿色水泥产业工程院有限公司 | Copper slag portland cement material and preparation method thereof |
| CN112552004A (en) * | 2020-12-11 | 2021-03-26 | 铜陵有色金属集团铜冠建筑安装股份有限公司 | Cementing material using copper smelting water quenching slag powder and preparation method thereof |
| CN112499997A (en) * | 2020-12-18 | 2021-03-16 | 张建华 | Non-ferrous metal waste residue cementing material and preparation method and application thereof |
| CN116573867A (en) * | 2023-05-12 | 2023-08-11 | 昆明理工大学 | Low-activity copper smelting slag composite cementing material and preparation method thereof |
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Application publication date: 20150422 |