CN104386929A - Production method of cementing material from steel slag and cementing material - Google Patents
Production method of cementing material from steel slag and cementing material Download PDFInfo
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- CN104386929A CN104386929A CN201410584403.5A CN201410584403A CN104386929A CN 104386929 A CN104386929 A CN 104386929A CN 201410584403 A CN201410584403 A CN 201410584403A CN 104386929 A CN104386929 A CN 104386929A
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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
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Abstract
The invention discloses a production method of a cementing material from steel slag and a cementing material. The method comprises the following steps: carrying out mix grinding treatment on 20-70 parts by mass of composite steel slag powder, 25-40 parts by mass of fine aggregate and 0.2-1.85 parts by mass of activator for 25-90 minutes, mixing, and stirring uniformly to obtain the cementing material. The specific area (fineness standard) of the cementing material is 450-600 m<2>/kg. The composite steel slag powder comprises the following components in percentage by mass: 10-40% of steel slag tailing powder, 10-40% of steel slag ball-milling washing tailing powder and 20-60% of mineral slag powder. The activator comprises the following components in percentage by mass: 0-33% of calcined alum, 0-33% of sodium silicate, 0-33% of Portland cement and 0-33% of calcium hydroxide.
Description
Technical field
The present invention relates to metallurgical slag process field, be specifically related to a kind of production method and the gelling material that utilize slag production gelling material.
Background technology
In prior art, slag due to its chemical constitution and thing phase composite and ordinary portland cement grog close, there is certain gelling characteristic, slag makes fine aggregate, steel-making slag powder and slag powders substitute the concrete that cement clinker preparation cement bond material production product performance are stablized, workability is good, thus slag can be utilized, improve the utilization ratio of slag.
But, in prior art when using steel-making slag powder and slag powders to substitute cement clinker, in order to make concrete up to specification, need a large amount of slag powders and a small amount of steel-making slag powder, make the rate of utilization of slag very low, and employ slag powders too much and make real cost of production higher, cause using slag production gelling material to there will be the high problem of production cost.
Summary of the invention
The embodiment of the present application, by providing a kind of production method and the gelling material that utilize slag production gelling material, when using slag production gelling material, can improve the rate of utilization of slag, reducing production cost.
The embodiment of the present application provides a kind of production method utilizing slag production gelling material, and described method comprises:
Count in mass ratio and the exciting agent of the clad steel ground-slag of 20 parts-70 parts, the fine aggregate of 25 parts-40 parts and 0.2 part-1.85 parts is carried out mix grinding process 25min-90min, carry out again mixing, stirring, obtain gelling material, wherein, the fineness standard of described gelling material is specific surface area is 450m
2/ kg ~ 600m
2/ kg, described clad steel ground-slag comprises 10% ~ 40% steel slag tailings powder, 10% ~ 40% steel slag ball-milling washing tail mud powder and 20% ~ 60% slag powders in mass ratio; Described exciting agent comprises 0% ~ 33% exsiccated alum stone, 0% ~ 33% sodium silicate, 0% ~ 33% silicate cement and 0% ~ 33% calcium hydroxide in mass ratio.
Optionally, described count in mass ratio the exciting agent of the clad steel ground-slag of 20 parts-70 parts, the fine aggregate of 25 parts-40 parts and 0.2 part-1.85 parts carried out mix grinding process 25min-90min after, described method also comprises:
Add the retardant of 0 part-2.15 parts, the setting accelerator of 0.55 part-7.85 parts and the water reducer of 0.4 part-1.5 parts and carry out fine grinding process, then carry out mixing, stirring.
Optionally, described clad steel ground-slag comprises 15% ~ 37% steel slag tailings powder, 20% ~ 38% steel slag ball-milling washing tail mud powder and 25% ~ 55% slag powders in mass ratio.
Optionally, the particle diameter of described fine aggregate is 0.1mm ~ 3mm.
Optionally, described exciting agent comprises 15% ~ 32% exsiccated alum stone, 20% ~ 31% sodium silicate, 16% ~ 30% silicate cement and 21% ~ 30% calcium hydroxide in mass ratio.
Optionally, described retardant is gypsum.
Optionally, described setting accelerator is manganese slag or lithium slag.
Optionally, described water reducer is naphthalene water reducer or polycarboxylate water-reducer.
Optionally, 45 μm of screen over-size≤2% of described gelling material, the iron level of described gelling material is not more than 1%, and activity index is not less than 65%, and basicity factor is not less than 1.8.
The application another embodiment still provides a kind of gelling material, comprise the exciting agent of the clad steel ground-slag of 20 parts-70 parts, the fine aggregate of 25 parts-40 parts and 0.2 part-1.85 parts in mass ratio.
Beneficial effect of the present invention is as follows:
In the embodiment of the present invention, technical scheme counts the clad steel ground-slag by 20 parts-70 parts in mass ratio, the exciting agent of the fine aggregate of 25 parts-40 parts and 0.2 part-1.85 parts carries out mix grinding process 25min-90min, mix again, stir, obtain gelling material, because described clad steel ground-slag comprises 10% ~ 40% steel slag tailings powder in mass ratio, 10% ~ 40% steel slag ball-milling washing tail mud powder and 20% ~ 60% slag powders, and in the described gelling material process of making, employ the clad steel ground-slag of 20 parts-70 parts, the rate of utilization of clad steel ground-slag is improved, thus effectively can reduce production cost, and comprise steel slag tailings powder due to clad steel ground-slag, steel slag ball-milling washing tail mud powder and slag powders, thus steel slag tailings can be make use of to large extent, slag washing ball milling tail mud, flyash, these wastes being difficult to fully utilize such as manganese slag are as the part material of gelling material, these refuses are recycled, further reduce the production cost generating gelling material.
Embodiment
The embodiment of the present application, by providing a kind of production method and the gelling material that utilize slag production gelling material, when using slag production gelling material, can improve the rate of utilization of slag, reducing production cost.
Below the main of embodiment of the present invention technical scheme is realized principle, embodiment and set forth in detail the beneficial effect that should be able to reach.
Embodiment one:
The embodiment of the present invention one proposes a kind of production method utilizing slag production gelling material, and the concrete treating processes of the method is as follows:
Count in mass ratio and the exciting agent of the clad steel ground-slag of 20 parts, the fine aggregate of 40 parts and 1.85 parts is carried out mix grinding process 25min, then carry out mixing, stirring, obtain gelling material, wherein, the fineness standard of described gelling material is specific surface area is 450m
2/ kg ~ 600m
2/ kg, described clad steel ground-slag comprises 30% steel slag tailings powder, 10% steel slag ball-milling washing tail mud powder and 60% slag powders in mass ratio; Described exciting agent comprises 33% exsiccated alum stone and 33% sodium silicate in mass ratio, so, makes to comprise in mass ratio in described gelling material the exciting agent of the clad steel ground-slag of 20 parts, the fine aggregate of 40 parts and 1.85 parts.
Wherein, the particle diameter of described fine aggregate is 0.1mm ~ 3mm, such as, can be 0.1mm, 0.26mm, 0.23mm, 3mm etc., and described fine aggregate can be natural sand or the Steel-slag Sand of 0.1mm ~ 3mm for particle diameter.
Concrete, clad steel ground-slag, fine aggregate and exciting agent etc. are joined grinding machine successively, mix grinding process 25min, obtain required fineness and obtain required powder, carry out again mixing, stirring, obtain described gelling material, described gelatinous material fineness standard determine according to actual needs, making the fineness standard of described gelling material be specific surface area is 450m
2/ kg ~ 600m
2/ kg can be such as 450m
2/ kg, 500m
2/ kg, 550m
2/ kg, 600m
2/ kg etc., and 45 μm of screen over-size≤2%, the metal Ferrum content of described gelling material is not more than 1%, and activity index is not less than 65%, and basicity factor is not less than 1.8, detects stability qualified by boiling process.
Concrete, after the described gelling material of acquisition, performance test is carried out to described gelling material, its performance index meet the regulation of GBT50448-2008 " cement-based grouting material utilisation technology specification ", degree of mobilization >300mm, 1d in ultimate compression strength (my god) ultimate compression strength is 24.5Mpa, 3d ultimate compression strength is 42.8Mpa, 28d ultimate compression strength is 62.8Mpa, specified time rate of expansion is less, so, the gelling material of the present embodiment is made to have early strength high, the favorable working performance such as mobility, property indices meets the requirement of GBT50448-2008, and clean volume of slurry good stability, make the gelling material of the present embodiment when remedial cement concrete, the repairing time can be shortened, and reduce the corrosion of cement concrete and the probability of destruction.
Beneficial effect of the present invention is as follows:
One, in the embodiment of the present invention, technical scheme counts the clad steel ground-slag by 20 parts in mass ratio, the exciting agent of the fine aggregate of 40 parts and 1.85 parts carries out mix grinding process 25min and mixes, stir, obtain gelling material, because described clad steel ground-slag comprises 30% steel slag tailings powder in mass ratio, 10% steel slag ball-milling washing tail mud powder and 60% slag powders, and in the described gelling material process of making, employ the clad steel ground-slag of 20 parts, the rate of utilization of clad steel ground-slag is improved, thus effectively can reduce production cost, and comprise steel slag tailings powder due to clad steel ground-slag, steel slag ball-milling washing tail mud powder and slag powders, thus steel slag tailings can be make use of to large extent, slag washing ball milling tail mud, flyash, these wastes being difficult to fully utilize such as manganese slag are as the part material of gelling material, these refuses are recycled, further reduce the production cost generating gelling material.
They are two years old, the gelling material that the embodiment of the present invention obtains, its performance index meet the regulation of GBT50448-2008 " cement-based grouting material utilisation technology specification ", degree of mobilization >300mm, 1d in ultimate compression strength (my god) ultimate compression strength is 24.5Mpa, 3d ultimate compression strength is 42.8Mpa, 28d ultimate compression strength is 62.8Mpa, specified time rate of expansion is less, so, the gelling material of the present embodiment is made to have early strength high, the favorable working performance such as mobility, property indices meets the requirement of GBT50448-2008, and clean volume of slurry good stability, make the gelling material of the present embodiment when remedial cement concrete, the repairing time can be shortened, and reduce the corrosion of cement concrete and the probability of destruction.
Embodiment two:
The embodiment of the present invention two proposes a kind of production method utilizing slag production gelling material, and the concrete treating processes of the method is as follows:
Count in mass ratio and the exciting agent of the clad steel ground-slag of 70 parts, the fine aggregate of 20 parts and 0.2 part is carried out mix grinding process 90min, then carry out mixing, stirring, obtain gelling material, wherein, the fineness standard of described gelling material is specific surface area is 450m
2/ kg ~ 600m
2/ kg, described clad steel ground-slag comprises 40% steel slag tailings powder, 30% steel slag ball-milling washing tail mud powder and 30% slag powders in mass ratio; Described exciting agent comprises 33% silicate cement and 33% hydroxide in mass ratio, so, makes to comprise in mass ratio in described gelling material the exciting agent of the clad steel ground-slag of 70 parts, the fine aggregate of 25 parts and 0.2 part.
Wherein, the particle diameter of described fine aggregate is 0.1mm ~ 3mm, such as, can be 0.1mm, 0.26mm, 0.23mm, 3mm etc., and described fine aggregate can be natural sand or the Steel-slag Sand of 0.1mm ~ 3mm for particle diameter.
Concrete, clad steel ground-slag, fine aggregate and exciting agent etc. are joined grinding machine successively, mix grinding process 90min, obtain required fineness and obtain required powder, carry out again mixing, stirring, obtain described gelling material, described gelatinous material fineness standard determine according to actual needs, making the fineness standard of described gelling material be specific surface area is 450m
2/ kg ~ 600m
2/ kg can be such as 450m
2/ kg, 500m
2/ kg, 550m
2/ kg, 600m
2/ kg etc., and 45 μm of screen over-size≤2%, the metal Ferrum content of described gelling material is not more than 1%, and activity index is not less than 65%, and basicity factor is not less than 1.8, detects stability qualified by boiling process.
Concrete, after the described gelling material of acquisition, performance test is carried out to described gelling material, its performance index meet the regulation of GBT50448-2008, degree of mobilization >300mm, 1d in ultimate compression strength (my god) ultimate compression strength is 28.5Mpa, 3d ultimate compression strength is 46.3Mpa, 28d ultimate compression strength is 67.4Mpa, specified time rate of expansion is less, so, the gelling material of the present embodiment is made to have early strength high, the favorable working performance such as mobility, property indices meets the requirement of GBT50448-2008, and clean volume of slurry good stability, make the gelling material of the present embodiment when remedial cement concrete, the repairing time can be shortened, and reduce the corrosion of cement concrete and the probability of destruction.
Beneficial effect of the present invention is as follows:
One, in the embodiment of the present invention, technical scheme counts the clad steel ground-slag by 70 parts in mass ratio, the exciting agent of the fine aggregate of 25 parts and 0.2 part carries out mix grinding process 90min, mix again, stir, obtain gelling material, because described clad steel ground-slag comprises 40% steel slag tailings powder in mass ratio, 30% steel slag ball-milling washing tail mud powder and 30% slag powders, and in the described gelling material process of making, employ the clad steel ground-slag of 70 parts, the content of the clad steel ground-slag in described gelling material is made to occupy about 40%, thus the rate of utilization of clad steel ground-slag is improved, and then effectively can reduce production cost, and comprise steel slag tailings powder due to clad steel ground-slag, steel slag ball-milling washing tail mud powder and slag powders, thus steel slag tailings can be make use of to large extent, slag washing ball milling tail mud, flyash, these wastes being difficult to fully utilize such as manganese slag are as the part material of gelling material, these refuses are recycled, further reduce the production cost generating gelling material.
They are two years old, the gelling material that the embodiment of the present invention obtains, its performance index meet the regulation of GBT50448-2008, degree of mobilization >300mm, 1d in ultimate compression strength (my god) ultimate compression strength is 28.5Mpa, 3d ultimate compression strength is 46.3Mpa, 28d ultimate compression strength is 67.4Mpa, specified time rate of expansion is less, so, the gelling material of the present embodiment is made to have early strength high, the favorable working performance such as mobility, property indices meets the requirement of GBT50448-2008, and clean volume of slurry good stability, make the gelling material of the present embodiment when remedial cement concrete, the repairing time can be shortened, and reduce the corrosion of cement concrete and the probability of destruction.
Embodiment three:
The embodiment of the present invention three proposes a kind of production method utilizing slag production gelling material, and the concrete treating processes of the method is as follows:
Count in mass ratio and the exciting agent of the clad steel ground-slag of 42 parts, the fine aggregate of 38 parts and 1.5 parts is carried out mix grinding process 40min, then carry out mixing, stirring, obtain gelling material, wherein, the fineness standard of described gelling material is specific surface area is 450m
2/ kg ~ 600m
2/ kgg, described clad steel ground-slag comprises 30% steel slag tailings powder, 30% steel slag ball-milling washing tail mud powder and 40% slag powders in mass ratio; Described exciting agent comprises 15% exsiccated alum stone, 25% sodium silicate, 30% silicate cement and 30% calcium hydroxide in mass ratio.
Wherein, the particle diameter of described fine aggregate is 0.1mm ~ 3mm, such as, can be 0.1mm, 0.26mm, 0.23mm, 3mm etc., and described fine aggregate can be natural sand or the Steel-slag Sand of 0.1mm ~ 3mm for particle diameter.
Concrete, clad steel ground-slag, fine aggregate and exciting agent etc. are joined grinding machine successively, after mix grinding process 40min, the setting accelerator of 0.55 part can be added and the water reducer of 0.4 part carries out fine grinding process, carry out again mixing, stirring is milled to required fineness and obtains required powder, carry out again mixing, stirring, obtain described gelling material, so, the water reducer of the clad steel ground-slag of 42 parts, the fine aggregate of 38 parts, the exciting agent of 1.5 parts, the setting accelerator of 0.55 part and 0.4 part is made to comprise in mass ratio in described gelling material.
Wherein, described setting accelerator is industrial manganese slag or lithium slag, and its fineness standard is specific surface area >=450-600m2/kg; Described water reducer is naphthalene water reducer or polycarboxylate water-reducer.
Further, the fineness standard of described gelling material is specific surface area is 450m
2/ kg ~ 600m
2/ kg can be such as 450m
2/ kg, 500m
2/ kg, 550m
2/ kg, 600m
2/ kg etc., and 45 μm of screen over-size≤2%, the metal Ferrum content of described gelling material is not more than 1%, and activity index is not less than 65%, and basicity factor is not less than 1.8, detects stability qualified by boiling process.
Concrete, after the described gelling material of acquisition, performance test is carried out to described gelling material, its performance index meet the regulation of GBT50448-2008, degree of mobilization >300mm, 1d in ultimate compression strength (my god) ultimate compression strength is 30.2Mpa, 3d ultimate compression strength is 48.7Mpa, 28d ultimate compression strength is 68.1Mpa, specified time rate of expansion is less, so, the gelling material of the present embodiment is made to have early strength high, the favorable working performance such as mobility, property indices meets the requirement of GBT50448-2008, and clean volume of slurry good stability, make the gelling material of the present embodiment when remedial cement concrete, the repairing time can be shortened, and reduce the corrosion of cement concrete and the probability of destruction.
Beneficial effect of the present invention is as follows:
One, in the embodiment of the present invention, technical scheme counts the clad steel ground-slag by 42 parts in mass ratio, the exciting agent of the fine aggregate of 38 parts and 1.5 parts carries out mix grinding process 40min, add the setting accelerator of 0.55 part and the water reducer of 0.4 part to be again milled to required fineness and to obtain required powder, mix again, stir, obtain described gelling material, because described clad steel ground-slag comprises 30% steel slag tailings powder in mass ratio, 30% steel slag ball-milling washing tail mud powder and 40% slag powders, and in the described gelling material process of making, employ the clad steel ground-slag of 42 parts, the rate of utilization of clad steel ground-slag is improved, thus effectively can reduce production cost, and comprise steel slag tailings powder due to clad steel ground-slag, steel slag ball-milling washing tail mud powder and slag powders, thus steel slag tailings can be make use of to large extent, slag washing ball milling tail mud, flyash, these wastes being difficult to fully utilize such as manganese slag are as the part material of gelling material, these refuses are recycled, further reduce the production cost generating gelling material.
They are two years old, the gelling material that the embodiment of the present invention obtains, its performance index meet the regulation of GBT50448-2008, degree of mobilization >300mm, 1d in ultimate compression strength (my god) ultimate compression strength is 30.2Mpa, 3d ultimate compression strength is 48.7Mpa, 28d ultimate compression strength is 68.1Mpa, specified time rate of expansion is less, so, the gelling material of the present embodiment is made to have early strength high, the favorable working performance such as mobility, property indices meets the requirement of GBT50448-2008, and clean volume of slurry good stability, make the gelling material of the present embodiment when remedial cement concrete, the repairing time can be shortened, and reduce the corrosion of cement concrete and the probability of destruction.
Embodiment four:
The embodiment of the present invention four proposes a kind of production method utilizing slag production gelling material, and the concrete treating processes of the method is as follows:
Count in mass ratio and the exciting agent of the clad steel ground-slag of 53 parts, the fine aggregate of 32 parts and 1.7 parts is carried out mix grinding process 65min, then carry out mixing, stirring, obtain gelling material, wherein, the fineness standard of described gelling material is specific surface area is 450m
2/ kg ~ 600m
2/ kg, described clad steel ground-slag comprises 15% steel slag tailings powder, 38% steel slag ball-milling washing tail mud powder and 47% slag powders in mass ratio; Described exciting agent comprises 18% exsiccated alum stone, 28% sodium silicate, 26% silicate cement and 28% calcium hydroxide in mass ratio.
Wherein, the particle diameter of described fine aggregate is 0.1mm ~ 3mm, such as, can be 0.1mm, 0.26mm, 0.23mm, 3mm etc., and described fine aggregate can be natural sand or the Steel-slag Sand of 0.1mm ~ 3mm for particle diameter.
Concrete, by clad steel ground-slag, fine aggregate and exciting agent etc. join grinding machine successively, after mix grinding process 65min, the retardant of 2.15 parts can be added, the water reducer of the setting accelerator of 7.85 parts and 1.5 parts carries out fine grinding process, mix again, stir and be milled to required fineness and obtain required powder, mix again, stir, obtain described gelling material, so, make the clad steel ground-slag comprising 53 parts in described gelling material in mass ratio, the fine aggregate of 32 parts, the exciting agent of 1.7 parts, the retardant of 2.15 parts, the water reducer of the setting accelerator of 7.85 parts and 1.5 parts.
Wherein, described retardant is gypsum or industrial gypsum, and its quality control is that cement and concrete professional person are known; Described setting accelerator is industrial manganese slag or lithium slag, and its fineness standard is specific surface area >=450-600m2/kg; Described water reducer is naphthalene water reducer or polycarboxylate water-reducer.
Further, the fineness standard of described gelling material is specific surface area is 450m
2/ kg ~ 600m
2/ kg can be such as 450m
2/ kg, 500m
2/ kg, 550m
2/ kg, 600m
2/ kg etc., and 45 μm of screen over-size≤2%, the metal Ferrum content of described gelling material is not more than 1%, and activity index is not less than 65%, and basicity factor is not less than 1.8, detects stability qualified by boiling process.
Concrete, after the described gelling material of acquisition, performance test is carried out to described gelling material, its performance index meet the regulation of GBT50448-2008, degree of mobilization >300mm, 1d in ultimate compression strength (my god) ultimate compression strength is 28.4Mpa, 3d ultimate compression strength is 43.7Mpa, 28d ultimate compression strength is 67.3Mpa, specified time rate of expansion is less, so, the gelling material of the present embodiment is made to have early strength high, the favorable working performance such as mobility, property indices meets the requirement of GBT50448-2008, and clean volume of slurry good stability, make the gelling material of the present embodiment when remedial cement concrete, the repairing time can be shortened, and reduce the corrosion of cement concrete and the probability of destruction.
Beneficial effect of the present invention is as follows:
One, in the embodiment of the present invention, technical scheme counts the clad steel ground-slag by 53 parts in mass ratio, the exciting agent of the fine aggregate of 32 parts and 1.7 parts carries out mix grinding process 65min, add the retardant of 2.15 parts again, the water reducer of the setting accelerator of 7.85 parts and 1.5 parts is milled to required fineness and obtains required powder, mix again, stir, obtain described gelling material, because described clad steel ground-slag comprises 15% steel slag tailings powder in mass ratio, 18% steel slag ball-milling washing tail mud powder and 47% slag powders, and in the described gelling material process of making, employ the clad steel ground-slag of 53 parts, the rate of utilization of clad steel ground-slag is improved, thus effectively can reduce production cost, and comprise steel slag tailings powder due to clad steel ground-slag, steel slag ball-milling washing tail mud powder and slag powders, thus steel slag tailings can be make use of to large extent, slag washing ball milling tail mud, flyash, these wastes being difficult to fully utilize such as manganese slag are as the part material of gelling material, these refuses are recycled, further reduce the production cost generating gelling material.
They are two years old, the gelling material that the embodiment of the present invention obtains, its performance index meet the regulation of GBT50448-2008, degree of mobilization >300mm, 1d in ultimate compression strength (my god) ultimate compression strength is 28.4Mpa, 3d ultimate compression strength is 43.7Mpa, 28d ultimate compression strength is 67.3Mpa, specified time rate of expansion is less, so, the gelling material of the present embodiment is made to have early strength high, the favorable working performance such as mobility, property indices meets the requirement of GBT50448-2008, and clean volume of slurry good stability, make the gelling material of the present embodiment when remedial cement concrete, the repairing time can be shortened, and reduce the corrosion of cement concrete and the probability of destruction.
Embodiment five:
The embodiment of the present invention five proposes a kind of production method utilizing slag production gelling material, and the concrete treating processes of the method is as follows:
Count in mass ratio and the exciting agent of the clad steel ground-slag of 46 parts, the fine aggregate of 34 parts and 0.5 part is carried out mix grinding process 55min, then carry out mixing, stirring, obtain gelling material, wherein, the fineness standard of described gelling material is specific surface area is 450m
2/ kg ~ 600m
2/ kg, described clad steel ground-slag comprises 35% steel slag tailings powder, 22% steel slag ball-milling washing tail mud powder and 43% slag powders in mass ratio; Described exciting agent comprises 25% exsiccated alum stone, 22% sodium silicate, 25% silicate cement and 28% calcium hydroxide in mass ratio.
Wherein, the particle diameter of described fine aggregate is 0.1mm ~ 3mm, such as, can be 0.1mm, 0.26mm, 0.23mm, 3mm etc., and described fine aggregate can be natural sand or the Steel-slag Sand of 0.1mm ~ 3mm for particle diameter.
Concrete, clad steel ground-slag, fine aggregate and exciting agent etc. are joined grinding machine successively, after mix grinding process 55min, the retardant of 2 parts, the setting accelerator of 7 parts and the water reducer of 1 part to required fineness can be added and obtain required powder, carry out again mixing, stirring, obtain described gelling material, so, make to comprise in mass ratio in described gelling material the water reducer of the clad steel ground-slag of 46 parts, the fine aggregate of 34 parts, the exciting agent of 0.5 part, the retardant of 2 parts, the setting accelerator of 7 parts and 1 part.
Wherein, described retardant is gypsum or industrial gypsum, and its quality control is that cement and concrete professional person are known; Described setting accelerator is industrial manganese slag or lithium slag, and its fineness standard is specific surface area >=450-600m2/kg; Described water reducer is naphthalene water reducer or polycarboxylate water-reducer.
Further, the fineness standard of described gelling material is specific surface area is 450m
2/ kg ~ 600m
2/ kg can be such as 450m
2/ kg, 500m
2/ kg, 550m
2/ kg, 600m
2/ kg etc., and 45 μm of screen over-size≤2%, the metal Ferrum content of described gelling material is not more than 1%, and activity index is not less than 65%, and basicity factor is not less than 1.8, detects stability qualified by boiling process.
Concrete, after the described gelling material of acquisition, performance test is carried out to described gelling material, its performance index meet the regulation of GBT50448-2008, degree of mobilization >300mm, 1d in ultimate compression strength (my god) ultimate compression strength is 31.2Mpa, 3d ultimate compression strength is 53.7Mpa, 28d ultimate compression strength is 69.5Mpa, specified time rate of expansion is less, so, the gelling material of the present embodiment is made to have early strength high, the favorable working performance such as mobility, property indices meets the requirement of GBT50448-2008, and clean volume of slurry good stability, make the gelling material of the present embodiment when remedial cement concrete, the repairing time can be shortened, and reduce the corrosion of cement concrete and the probability of destruction.
Beneficial effect of the present invention is as follows:
One, in the embodiment of the present invention, technical scheme counts the clad steel ground-slag by 46 parts in mass ratio, the exciting agent of the fine aggregate of 34 parts and 0.5 part carries out mix grinding process 55min, add the retardant of 2 parts again, the water reducer of the setting accelerator of 7 parts and 1 part is milled to required fineness and obtains required powder, mix again, stir, obtain described gelling material, because described clad steel ground-slag comprises 35% steel slag tailings powder in mass ratio, 22% steel slag ball-milling washing tail mud powder and 43% slag powders, and in the described gelling material process of making, employ the clad steel ground-slag of 46 parts, the rate of utilization of clad steel ground-slag is improved, thus effectively can reduce production cost, and comprise steel slag tailings powder due to clad steel ground-slag, steel slag ball-milling washing tail mud powder and slag powders, thus steel slag tailings can be make use of to large extent, slag washing ball milling tail mud, flyash, these wastes being difficult to fully utilize such as manganese slag are as the part material of gelling material, these refuses are recycled, further reduce the production cost generating gelling material.
They are two years old, the gelling material that the embodiment of the present invention obtains, its performance index meet the regulation of GBT50448-2008, degree of mobilization >300mm, 1d in ultimate compression strength (my god) ultimate compression strength is 31.2Mpa, 3d ultimate compression strength is 53.7Mpa, 28d ultimate compression strength is 69.5Mpa, specified time rate of expansion is less, so, the gelling material of the present embodiment is made to have early strength high, the favorable working performance such as mobility, property indices meets the requirement of GBT50448-2008, and clean volume of slurry good stability, make the gelling material of the present embodiment when remedial cement concrete, the repairing time can be shortened, and reduce the corrosion of cement concrete and the probability of destruction.
Embodiment six:
The embodiment of the present invention six proposes a kind of production method utilizing slag production gelling material, and the concrete treating processes of the method is as follows:
Count in mass ratio and the exciting agent of the clad steel ground-slag of 62 parts, the fine aggregate of 25 parts and 1 part is carried out mix grinding process 82min, then carry out mixing, stirring, obtain gelling material, wherein, the fineness standard of described gelling material is specific surface area is 450m
2/ kg ~ 600m
2/ kg, described clad steel ground-slag comprises 25% steel slag tailings powder, 20% steel slag ball-milling washing tail mud powder and 55% slag powders in mass ratio; Described exciting agent comprises 27% exsiccated alum stone, 31% sodium silicate, 16% silicate cement and 26% calcium hydroxide in mass ratio.
Wherein, the particle diameter of described fine aggregate is 0.1mm ~ 3mm, such as, can be 0.1mm, 0.26mm, 0.23mm, 3mm etc., and described fine aggregate can be natural sand or the Steel-slag Sand of 0.1mm ~ 3mm for particle diameter.
Concrete, clad steel ground-slag, fine aggregate and exciting agent etc. are joined grinding machine successively, after mix grinding process 82min, the retardant of 1.5 parts, the setting accelerator of 5.5 parts and the water reducer of 0.5 part can be added be milled to required fineness and obtain required powder, carry out again mixing, stirring, obtain described gelling material, so, the water reducer of the clad steel ground-slag of 62 parts, the fine aggregate of 25 parts, the exciting agent of 1 part, the retardant of 1.5 parts, the setting accelerator of 5.5 parts and 0.5 part is made to comprise in mass ratio in described gelling material.
Wherein, described retardant is gypsum or industrial gypsum, and its quality control is that cement and concrete professional person are known; Described setting accelerator is industrial manganese slag or lithium slag, and its fineness standard is specific surface area >=450-600m2/kg; Described water reducer is naphthalene water reducer or polycarboxylate water-reducer.
Further, the fineness standard of described gelling material is specific surface area is 450m
2/ kg ~ 600m
2/ kg can be such as 450m
2/ kg, 500m
2/ kg, 550m
2/ kg, 600m
2/ kg etc., and 45 μm of screen over-size≤2%, the metal Ferrum content of described gelling material is not more than 1%, and activity index is not less than 65%, and basicity factor is not less than 1.8, detects stability qualified by boiling process.
Concrete, after the described gelling material of acquisition, performance test is carried out to described gelling material, its performance index meet the regulation of GBT50448-2008, degree of mobilization >300mm, 1d in ultimate compression strength (my god) ultimate compression strength is 29.7Mpa, 3d ultimate compression strength is 42.78Mpa, 28d ultimate compression strength is 65.3Mpa, specified time rate of expansion is less, so, the gelling material of the present embodiment is made to have early strength high, the favorable working performance such as mobility, property indices meets the requirement of GBT50448-2008, and clean volume of slurry good stability, make the gelling material of the present embodiment when remedial cement concrete, the repairing time can be shortened, and reduce the corrosion of cement concrete and the probability of destruction.
Beneficial effect of the present invention is as follows:
One, in the embodiment of the present invention, technical scheme counts the clad steel ground-slag by 62 parts in mass ratio, the exciting agent of the fine aggregate of 25 parts and 1 part carries out mix grinding process 82min, add the retardant of 1.5 parts again, the water reducer of the setting accelerator of 5.5 parts and 0.5 part is milled to required fineness and obtains required powder, mix again, stir, obtain described gelling material, because described clad steel ground-slag comprises 25% steel slag tailings powder in mass ratio, 20% steel slag ball-milling washing tail mud powder and 55% slag powders, and in the described gelling material process of making, employ the clad steel ground-slag of 62 parts, the rate of utilization of clad steel ground-slag is improved, thus effectively can reduce production cost, and comprise steel slag tailings powder due to clad steel ground-slag, steel slag ball-milling washing tail mud powder and slag powders, thus steel slag tailings can be make use of to large extent, slag washing ball milling tail mud, flyash, these wastes being difficult to fully utilize such as manganese slag are as the part material of gelling material, these refuses are recycled, further reduce the production cost generating gelling material.
They are two years old, the gelling material that the embodiment of the present invention obtains, its performance index meet the regulation of GBT50448-2008, degree of mobilization >300mm, 1d in ultimate compression strength (my god) ultimate compression strength is 29.7Mpa, 3d ultimate compression strength is 42.78Mpa, 28d ultimate compression strength is 65.3Mpa, specified time rate of expansion is less, so, the gelling material of the present embodiment is made to have early strength high, the favorable working performance such as mobility, property indices meets the requirement of GBT50448-2008, and clean volume of slurry good stability, make the gelling material of the present embodiment when remedial cement concrete, the repairing time can be shortened, and reduce the corrosion of cement concrete and the probability of destruction.
Embodiment seven:
The embodiment of the present invention seven proposes a kind of production method utilizing slag production gelling material, and the concrete treating processes of the method is as follows:
Count in mass ratio and the exciting agent of the clad steel ground-slag of 55 parts, the fine aggregate of 35 parts and 1.1 parts is carried out mix grinding process 60min, then carry out mixing, stirring, obtain gelling material, wherein, the fineness standard of described gelling material is specific surface area is 450m
2/ kg ~ 600m
2/ kg, described clad steel ground-slag comprises 37% steel slag tailings powder, 38% steel slag ball-milling washing tail mud powder and 25% slag powders in mass ratio; Described exciting agent comprises 32% exsiccated alum stone, 20% sodium silicate, 27% silicate cement and 21% calcium hydroxide in mass ratio.
Wherein, the particle diameter of described fine aggregate is 0.1mm ~ 3mm, such as, can be 0.1mm, 0.26mm, 0.23mm, 3mm etc., and described fine aggregate can be natural sand or the Steel-slag Sand of 0.1mm ~ 3mm for particle diameter.
Concrete, clad steel ground-slag, fine aggregate and exciting agent etc. are joined grinding machine successively, after mix grinding process 60min, the retardant of 0.6 part, the setting accelerator of 3.5 parts and the water reducer of 0.8 part can be added be milled to required fineness and obtain required powder, carry out again mixing, stirring, obtain described gelling material, so, the water reducer of the clad steel ground-slag of 55 parts, the fine aggregate of 35 parts, the exciting agent of 1.1 parts, the retardant of 0.6 part, the setting accelerator of 3.5 parts and 0.8 part is made to comprise in mass ratio in described gelling material.
Wherein, described retardant is gypsum or industrial gypsum, and its quality control is that cement and concrete professional person are known; Described setting accelerator is industrial manganese slag or lithium slag, and its fineness standard is specific surface area >=450-600m2/kg; Described water reducer is naphthalene water reducer or polycarboxylate water-reducer.
Further, the fineness standard of described gelling material is specific surface area is 450m
2/ kg ~ 600m
2/ kg can be such as 450m
2/ kg, 500m
2/ kg, 550m
2/ kg, 600m
2/ kg etc., and 45 μm of screen over-size≤2%, the metal Ferrum content of described gelling material is not more than 1%, and activity index is not less than 65%, and basicity factor is not less than 1.8, detects stability qualified by boiling process.
Concrete, after the described gelling material of acquisition, performance test is carried out to described gelling material, its performance index meet the regulation of GBT50448-2008, degree of mobilization >300mm, 1d in ultimate compression strength (my god) ultimate compression strength is 35.3Mpa, 3d ultimate compression strength is 58.6Mpa, 28d ultimate compression strength is 72.5Mpa, specified time rate of expansion is less, so, the gelling material of the present embodiment is made to have early strength high, the favorable working performance such as mobility, property indices meets the requirement of GBT50448-2008, and clean volume of slurry good stability, make the gelling material of the present embodiment when remedial cement concrete, the repairing time can be shortened, and reduce the corrosion of cement concrete and the probability of destruction.
Beneficial effect of the present invention is as follows:
One, in the embodiment of the present invention, technical scheme counts the clad steel ground-slag by 55 parts in mass ratio, the exciting agent of the fine aggregate of 35 parts and 1.1 parts carries out mix grinding process 60min, add the retardant of 0.6 part again, the water reducer of the setting accelerator of 3.5 parts and 0.8 part is milled to required fineness and obtains required powder, mix again, stir, obtain described gelling material, because described clad steel ground-slag comprises 37% steel slag tailings powder in mass ratio, 38% steel slag ball-milling washing tail mud powder and 25% slag powders, and in the described gelling material process of making, employ the clad steel ground-slag of 28 parts, the rate of utilization of clad steel ground-slag is improved, thus effectively can reduce production cost, and comprise steel slag tailings powder due to clad steel ground-slag, steel slag ball-milling washing tail mud powder and slag powders, thus steel slag tailings can be make use of to large extent, slag washing ball milling tail mud, flyash, these wastes being difficult to fully utilize such as manganese slag are as the part material of gelling material, these refuses are recycled, further reduce the production cost generating gelling material.
They are two years old, the gelling material that the embodiment of the present invention obtains, its performance index meet the regulation of GBT50448-2008, degree of mobilization >300mm, 1d in ultimate compression strength (my god) ultimate compression strength is 35.3Mpa, 3d ultimate compression strength is 58.6Mpa, 28d ultimate compression strength is 72.5Mpa, specified time rate of expansion is less, so, the gelling material of the present embodiment is made to have early strength high, the favorable working performance such as mobility, property indices meets the requirement of GBT50448-2008, and clean volume of slurry good stability, make the gelling material of the present embodiment when remedial cement concrete, the repairing time can be shortened, and reduce the corrosion of cement concrete and the probability of destruction.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. utilize a production method for slag production gelling material, it is characterized in that, described method comprises:
Count in mass ratio and the exciting agent of the clad steel ground-slag of 20 parts-70 parts, the fine aggregate of 25 parts-40 parts and 0.2 part-1.85 parts is carried out mix grinding process 25min-90min, carry out again mixing, stirring, obtain gelling material, wherein, the fineness standard of described gelling material is specific surface area is 450m
2/ kg ~ 600m
2/ kg, described clad steel ground-slag comprises 10% ~ 40% steel slag tailings powder, 10% ~ 40% steel slag ball-milling washing tail mud powder and 20% ~ 60% slag powders in mass ratio; Described exciting agent comprises 0% ~ 33% exsiccated alum stone, 0% ~ 33% sodium silicate, 0% ~ 33% silicate cement and 0% ~ 33% calcium hydroxide in mass ratio.
2. production method as claimed in claim 1, it is characterized in that, described count in mass ratio the exciting agent of the clad steel ground-slag of 20 parts-70 parts, the fine aggregate of 25 parts-40 parts and 0.2 part-1.85 parts carried out mix grinding process 25min-90min after, described method also comprises:
Add the retardant of 0 part-2.15 parts, the setting accelerator of 0.55 part-7.85 parts and the water reducer of 0.4 part-1.5 parts and carry out fine grinding process, then carry out mixing, stirring.
3. production method as claimed in claim 2, is characterized in that, described clad steel ground-slag comprises 15% ~ 37% steel slag tailings powder, 20% ~ 38% steel slag ball-milling washing tail mud powder and 25% ~ 55% slag powders in mass ratio.
4. production method as claimed in claim 3, it is characterized in that, the particle diameter of described fine aggregate is 0.1mm ~ 3mm.
5. production method as claimed in claim 4, it is characterized in that, described exciting agent comprises 15% ~ 32% exsiccated alum stone, 20% ~ 31% sodium silicate, 16% ~ 30% silicate cement and 21% ~ 30% calcium hydroxide in mass ratio.
6. production method as claimed in claim 5, it is characterized in that, described retardant is gypsum.
7. production method as claimed in claim 6, it is characterized in that, described setting accelerator is manganese slag or lithium slag.
8. production method as claimed in claim 7, it is characterized in that, described water reducer is naphthalene water reducer or polycarboxylate water-reducer.
9. the production method as described in any one of claim 1-8, is characterized in that, 45 μm of screen over-size≤2% of described gelling material, the iron level of described gelling material is not more than 1%, and activity index is not less than 65%, and basicity factor is not less than 1.8.
10. a gelling material, is characterized in that, comprises the exciting agent comprising the clad steel ground-slag of 20 parts-70 parts, the fine aggregate of 25 parts-40 parts and 0.2 part-1.85 parts in mass ratio.
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| CN104986995A (en) * | 2015-06-16 | 2015-10-21 | 武汉钢铁(集团)公司 | Aerated concrete block manufacturing method |
| CN105314955A (en) * | 2015-12-02 | 2016-02-10 | 武汉钢铁(集团)公司 | Mine filling material |
| CN106630924A (en) * | 2016-12-14 | 2017-05-10 | 河海大学 | Ferronickel slag magnesium phosphate binding material and application thereof |
| CN109455969A (en) * | 2018-12-17 | 2019-03-12 | 湖北工业大学 | By Industrial Solid Waste prepared from steel slag for the method for concrete micro-expanding agent |
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| CN104986995A (en) * | 2015-06-16 | 2015-10-21 | 武汉钢铁(集团)公司 | Aerated concrete block manufacturing method |
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| CN106630924A (en) * | 2016-12-14 | 2017-05-10 | 河海大学 | Ferronickel slag magnesium phosphate binding material and application thereof |
| CN109455969A (en) * | 2018-12-17 | 2019-03-12 | 湖北工业大学 | By Industrial Solid Waste prepared from steel slag for the method for concrete micro-expanding agent |
| CN109455969B (en) * | 2018-12-17 | 2021-04-27 | 湖北工业大学 | Method for preparing concrete micro-expanding agent from industrial solid waste steel slag |
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| CN112876151A (en) * | 2021-03-04 | 2021-06-01 | 江苏洋河新城新材料有限责任公司 | Geopolymer-based rapid repair mortar and preparation method thereof |
| CN115536334A (en) * | 2022-09-27 | 2022-12-30 | 润星(福建)新材料科技有限公司 | Steel slag powder cementing material, preparation method thereof and steel slag powder high-strength concrete prepared from steel slag powder cementing material |
| CN115466098A (en) * | 2022-09-29 | 2022-12-13 | 中建西部建设西南有限公司 | Environment-friendly high-crack-resistance plastering mortar and preparation method thereof |
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