CN109437933A - A kind of semi-drying is without concrete steel slag grid and preparation method thereof - Google Patents
A kind of semi-drying is without concrete steel slag grid and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0087—Uses not provided for elsewhere in C04B2111/00 for metallurgical applications
- C04B2111/00887—Ferrous metallurgy
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5216—Inorganic
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- Ceramic Engineering (AREA)
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
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- Road Paving Structures (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention provides a kind of semi-drying without concrete steel residue material, including siccative, water-reducing agent and water, the siccative by weight, including following components: 10-30 parts of cement；60-85 parts of steel slag；1-15 parts of steel fibre；The additional amount of the water-reducing agent is appropriate；The additional amount of the water is appropriate.A kind of preparation method the present invention further provides semi-drying without concrete steel residue material and its application on grid.A kind of semi-drying provided by the invention is without concrete steel slag grid and preparation method thereof, realize no-reinforcing-bar Prefabrication grid, and the use by reducing water improves flase floor intensity, reduces curing time, the cost of manufacture of grid is reduced, steel slag high value added utilization new technology, new way are developed.
Description
Technical field
The invention belongs to the technical field of metallurgical Slag treatment, it is related to a kind of steel slag grid and preparation method thereof, and in particular to
A kind of semi-drying is without concrete steel slag grid and preparation method thereof.
Background technique
Meeting residual fraction molten steel pours into slag ladle together with steel slag in ladle after steel casting, carries out the liquid when of falling slag,
Divided by grid and is separated, it is final to realize that liquid steel slag is divided naturally, the generation of " large slag " is avoided, treated steel slag is also
It can be used as the raw material of processing grid, cycling and reutilization facilitates promotion steel slag and recycle horizontal and energy by this method
Power reduces pollution and the space waste of environment.
Currently, in the patent in relation to steel slag tank grid, mostly " well " font flase floor, but mostly need to be prefabricated for proof strength
Shi Jinhang matches reinforcing bar, furthermore needs largely to use water in manufacturing process, causes process flow long, prefabricated flase floor curing time
A series of problems, such as length, takes up a large area, and operating efficiency is low, at high cost, unstable quality and pollution environment.
It is specific such as CN107176804A " metallurgy steel slag tank grid and its production method ", with 15~25 parts of slag as aggregate,
16~25 parts of steel-making slag powder, steel slag prepare concrete grout for primary raw material for 45~65 parts of polywater mud with washing 4~10 parts of dirt mud, steel slag
Material, then obtained slurry is poured into multiple grid molds, several reinforcing bars are placed in the slurry of each grid mold, from
It is so demoulded after maintenance, after demoulding, welding assembly is carried out to the reinforcing bar.The invention uses reinforcing bar as skeleton, higher cost.
For another example CN106517974A " a kind of casting residue divides the production method with grid material and grid automatically " and CN106278298A
" separator material and preparation method thereof for casting residue slag pot grid ", two inventions disclose one kind by casting residue, heat
Bored slag, wind disintegrating slag and cement mixing are formed with after water mixing again, are made through drying as raw material, raw material.By with iron and steel enterprise
Solid waste is slag pot grid partition slag ladle use inside iron and steel enterprise of main raw material(s) and preparation.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of semi-dryings without concrete steel slag grid
And preparation method thereof, for solving in the prior art, shortage water consumption is few, intensity is high, curing time is few, the steel of low manufacture cost
The problem of slag grid.
In order to achieve the above objects and other related objects, first aspect present invention provides a kind of semi-drying without concrete steel slag material
Material, including siccative, water-reducing agent and water, the siccative by weight, including following components:
10-30 parts of cement；
60-85 parts of steel slag；
1-15 parts of steel fibre；
The additional amount of the water-reducing agent is appropriate；
The additional amount of the water is appropriate.
Siccative component first carries out metering mixing in above-mentioned raw materials, then is mixed with water-reducing agent, water, is placed in grid mold
It is formed, the semi-drying can be prepared without concrete steel slag grid.
Preferably, a kind of semi-drying is without concrete steel residue material, including siccative, water-reducing agent and water, and the siccative is by weight
Part meter, including following components:
13-25 parts of cement；
65-80 parts of steel slag；
3-12 parts of steel fibre；
The additional amount of the water-reducing agent is the 0.1-2.0wt% of cement consumption；
The weight ratio of the water and cement consumption are as follows: 0.1-0.5:1.
It is highly preferred that a kind of semi-drying is without concrete steel residue material, including siccative, water-reducing agent and water, the siccative is by weight
Measure part meter, including following components:
15-20 parts of cement；
70-75 parts of steel slag；
5-10 parts of steel fibre；
The additional amount of the water-reducing agent is the 0.5-1.0wt% of cement consumption；
The weight ratio of the water and cement consumption are as follows: 0.2-0.3:1.
Preferably, the cement is 42.5 grades of ordinary portland cements (OPC) of P.O.Specifically, the cement is served as reasons
42.5 grades of ordinary portland cements of P.O of conch Cement Co., Ltd production.
Preferably, the steel slag is converter slag.The converter slag is upper marine smelting environmental project Science and Technology Ltd.
It provides.
It is highly preferred that the screening conditions of the converter slag are as follows: partial size≤10mm；Sieve content >=90wt% in section.
It is highly preferred that the performance condition of the converter slag are as follows: f-CaO (free calcium oxide)≤10wt%；Mohs' hardness
≥6；Specific gravity is in 3.0-3.6 tons/cubic meter.
Preferably, the length of the steel fibre is 30-50mm.
Preferably, the diameter of the steel fibre is 0.3-0.9mm.
Preferably, the intensity of the steel fibre is 600-2000MPa.
Preferably, the steel fibre is provided by Changzhou Tianyi Engineering Fiber Co., Ltd..
Preferably, the water-reducing agent is polycarboxylate water-reducer (PCE).Specifically, the water-reducing agent is the auspicious height in Shanghai three
The SD-600P type polycarboxylate water-reducer that molecular material limited liability company provides.
Preferably, the water is tap water.
Second aspect of the present invention provides purposes of the above-mentioned material on grid.
Third aspect present invention provides a kind of preparation method of the semi-drying without concrete steel slag grid, including by above-mentioned semi-drying without
Concrete steel residue material prepares semi-drying without concrete steel slag grid.
Fourth aspect present invention provides a kind of preparation method of the semi-drying without concrete steel slag grid, comprising the following steps:
1) be stirred after measuring each component in siccative by weight, sequentially add water-reducing agent and water be stirred it is mixed
It closes, obtains the mixture of semi-drying；
2) mixture of semi-drying obtained by step 1) is placed in grid mold, carries out vibrating forming, strikes off, conserves, taking off
Mould, both the semi-drying without concrete steel slag grid.
Preferably, in step 1), each component is stirred the time of mixing as 30-40s in the siccative.
Preferably, in step 1), it is described sequentially add water-reducing agent and water to be stirred the time of mixing be 60-100s.
Preferably, in step 1), blender used by the stirring is general concrete mixer.
Preferably, in step 2), the vibrating forming refers to using the general small-sized jarring machine of concrete construction to paving
Mixture carry out microseism, make concrete formation.
Preferably, in step 2), the time of the vibrating forming is vibration until the bleeding of mixture surface layer.
Preferably, in step 2), described strike off is to instigate the mixture surface course for being placed in grid mold smooth.
Preferably, in step 2), the maintenance is the natural curing covered of sprinkling water.
Preferably, in step 2), curing time >=24 hour, compression strength >=2.5MPa of the maintenance.It is described
It can be demoulded after maintenance.
Fifth aspect present invention provides a kind of semi-drying without concrete steel slag grid, is prepared by above-mentioned preparation method.
As described above, a kind of semi-drying provided by the invention has beneficial below without concrete steel slag grid and preparation method thereof
Effect:
(1) a kind of semi-drying provided by the invention is main with steel slag and cement without concrete steel slag grid and preparation method thereof
Raw material increases the intensity of flase floor by the way that steel fibre is added, and realizes no-reinforcing-bar Prefabrication grid, and by reducing making for water
With flase floor intensity is improved, reduce curing time, reduces the cost of manufacture of grid.
(2) a kind of semi-drying provided by the invention belongs to Industrial Solid waste again without concrete steel slag grid and preparation method thereof
It utilizes, turns waste into wealth, develop steel slag high value added utilization new technology, new way.
Specific embodiment
The present invention is further explained combined with specific embodiments below, it should be appreciated that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
It should be clear that in the following example not specifically dated process equipment or device be all made of conventional equipment in the art or
Device；All pressure values and range all refer to relative pressure.
In addition, it should also be understood that, one or more method and step mentioned in the present invention does not repel before and after the combination step
It can also be inserted into other methods step there may also be other methods step or between these explicitly mentioned steps, unless separately
It is described；It should also be understood that the combination connection relationship between one or more equipment/device mentioned in the present invention is not repelled
The two equipment/devices specifically mentioned before and after the unit equipment/device there may also be other equipment/device or at these it
Between can also be inserted into other equipment/device, unless otherwise indicated.Moreover, unless otherwise indicated, the number of various method steps is only
Identify the convenient tool of various method steps, rather than for the arrangement order of limitation various method steps or limits the enforceable model of the present invention
It encloses, relativeness is altered or modified, and without material changes in technical content, when being also considered as, the present invention is enforceable
Scope.
Embodiment 1
Take siccative component respectively by weight: 20 parts of cement, 75 parts of steel slag, 5 parts of steel fibre be stirred 30-40s,
It sequentially adds water-reducing agent and water is stirred mixing 60-100s, obtain the mixture of semi-drying.Wherein, the addition of water-reducing agent
Amount is the 0.5wt% of cement consumption, and water is 0.3 times of cement consumption.Cement is 42.5 grades of ordinary portland cements of P.O
(OPC).Steel slag is converter slag, partial size≤10mm；Section screening content >=90wt%, f-CaO (free calcium oxide)≤
10wt%；Mohs' hardness >=6；Specific gravity is in 3.0-3.6 tons/cubic meter.The length of steel fibre is 30-50mm, the diameter of steel fibre
For 0.3-0.9mm, the intensity of steel fibre is 600-2000MPa.Water-reducing agent is polycarboxylate water-reducer (PCE).Water is tap water.
The mixture of semi-drying is placed in grid mold again, using the general small-sized jarring machine of concrete construction to paving
Mixture carry out microseism to mixture surface layer bleeding until, make concrete formation.The mixture for being placed on grid mold again is scraped
It is flat, keep its surface layer smooth, natural curing >=24 hour, the compression strength of maintenance is >=2.5MPa, demoulding, both the semi-drying
Without concrete steel slag grid sample 1#.Specific formula data are shown in Table 1.
Embodiment 2
Take siccative component respectively by weight: 20 parts of cement, 70 parts of steel slag, 10 parts of steel fibre be stirred 35s, then
It sequentially adds water-reducing agent and water is stirred mixing 80s, obtain the mixture of semi-drying.Wherein, the additional amount of water-reducing agent is water
The 0.5wt% of mud dosage, water are 0.3 times of cement consumption.Cement is 42.5 grades of ordinary portland cements (OPC) of P.O.Steel slag
For converter slag, partial size≤8mm；Content >=95wt% is sieved in section, and f-CaO (free calcium oxide) is 9wt%；Mohs' hardness is
7；Specific gravity is in 3.4-3.5 tons/cubic meter.The length of steel fibre is 40-45mm, and the diameter of steel fibre is 0.7-0.8mm, steel fibre
Intensity be 900-1000MPa.Water-reducing agent is polycarboxylate water-reducer (PCE).Water is tap water.
The mixture of semi-drying is placed in grid mold again, using the general small-sized jarring machine of concrete construction to paving
Mixture carry out microseism to mixture surface layer bleeding until, make concrete formation.The mixture for being placed on grid mold again is scraped
It is flat, keep its surface layer smooth, natural curing 24 hours, the compression strength of maintenance was 2.5MPa, demoulding, both the semi-drying without muscle
Steel slag grid sample 2#.Specific formula data are shown in Table 1.
Embodiment 3
Take siccative component respectively by weight: 15 parts of cement, 75 parts of steel slag, 10 parts of steel fibre be stirred 30s, then
It sequentially adds water-reducing agent and water is stirred mixing 60s, obtain the mixture of semi-drying.Wherein, the additional amount of water-reducing agent is water
The 1.0wt% of mud dosage, water are 0.2 times of cement consumption.Cement is 42.5 grades of ordinary portland cements (OPC) of P.O.Steel slag
For converter slag, partial size≤9mm；Content >=92wt% is sieved in section, and f-CaO (free calcium oxide) is 8wt%；Mohs' hardness is
8；Specific gravity is in 3.1-3.2 tons/cubic meter.The length of steel fibre is 30-35mm, and the diameter of steel fibre is 0.3-0.4mm, steel fibre
Intensity be 1500-2000MPa.Water-reducing agent is polycarboxylate water-reducer (PCE).Water is tap water.
The mixture of semi-drying is placed in grid mold again, using the general small-sized jarring machine of concrete construction to paving
Mixture carry out microseism to mixture surface layer bleeding until, make concrete formation.The mixture for being placed on grid mold again is scraped
It is flat, keep its surface layer smooth, natural curing 24 hours, the compression strength of maintenance was 2.5MPa, demoulding, both the semi-drying without muscle
Steel slag grid sample 3#.Specific formula data are shown in Table 1.
Embodiment 4
Take siccative component respectively by weight: 20 parts of cement, 70 parts of steel slag, 10 parts of steel fibre be stirred 40s, then
It sequentially adds water-reducing agent and water is stirred mixing 90s, obtain the mixture of semi-drying.Wherein, the additional amount of water-reducing agent is water
The 1.0wt% of mud dosage, water are 0.2 times of cement consumption.Wherein, the additional amount of water-reducing agent is the 0.5wt% of cement consumption, water
It is 0.3 times of cement consumption.Cement is 42.5 grades of ordinary portland cements (OPC) of P.O.Steel slag is converter slag, partial size≤
7mm；Content >=96wt% is sieved in section, and f-CaO (free calcium oxide) is 7wt%；Mohs' hardness is 9；Specific gravity is in 3.3-3.4
Ton/cubic meter.The length of steel fibre is 45-50mm, and the diameter of steel fibre is 0.6-0.7mm, and the intensity of steel fibre is 1200-
1400MPa.Water-reducing agent is polycarboxylate water-reducer (PCE).Water is tap water.
The mixture of semi-drying is placed in grid mold again, with concrete construction general small-sized jarring machine to paving
Until mixture carries out microseism to mixture surface layer bleeding, make concrete formation.The mixture for being placed on grid mold again strikes off,
Keep its surface layer smooth, natural curing 24 hours, the compression strength of maintenance was 2.5MPa, demoulding, both the semi-drying without concrete steel
Slag grid sample 4#.Specific formula data are shown in Table 1.
Table 1
| Number | Converter slag | Steel fibre | Cement | Water-reducing agent | Water |
| 1# | 75 parts by weight | 5 parts by weight | 20 parts by weight | The 0.5% of cement consumption | 0.3 times of cement consumption |
| 2# | 70 parts by weight | 10 parts by weight | 20 parts by weight | The 0.5% of cement consumption | 0.3 times of cement consumption |
| 3# | 75 parts by weight | 10 parts by weight | 15 parts by weight | The 1% of cement consumption | 0.2 times of cement consumption |
| 4# | 70 parts by weight | 10 parts by weight | 20 parts by weight | The 1% of cement consumption | 0.2 times of cement consumption |
Embodiment 5
It is " common by GB/T50081-2002 by the semi-drying obtained in embodiment 1-4 without concrete steel slag grid sample 1#-4#
Mechanical performance of concrete test method standard " 28 days intensity tests are carried out, specific data are shown in Table 2.
Table 2
As shown in Table 2,28 days compression strength of existing grid is generally 15MPa, and the present invention is by being added steel fibre, intensity
It can reach 20-35MPa, improve properties of product.
So the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of semi-drying is without concrete steel residue material, including siccative, water-reducing agent and water, the siccative is by weight, including following
Component:
10-30 parts of cement；
60-85 parts of steel slag；
1-15 parts of steel fibre；
The additional amount of the water-reducing agent is appropriate；
The additional amount of the water is appropriate.
2. a kind of semi-drying according to claim 1 is without concrete steel residue material, which is characterized in that including siccative, water-reducing agent and
Water,
The siccative by weight, including following components:
13-25 parts of cement；
65-80 parts of steel slag；
3-12 parts of steel fibre；
The additional amount of the water-reducing agent is the 0.1-2.0wt% of cement consumption；
The weight ratio of the water and cement consumption are as follows: 0.1-0.5:1.
3. a kind of semi-drying according to claim 1 is without concrete steel residue material, which is characterized in that the cement is P.O 42.5
Grade ordinary portland cement；The water-reducing agent is polycarboxylate water-reducer；The water is tap water.
4. a kind of semi-drying according to claim 1 is without concrete steel residue material, which is characterized in that the steel slag is converter steel
Slag；The screening conditions of the converter slag are as follows: partial size≤10mm；Sieve content >=90wt% in section；The property of the converter slag
Energy condition are as follows: f-CaO≤10wt%；Mohs' hardness >=6；Specific gravity is in 3.0-3.6 tons/cubic meter.
5. a kind of semi-drying according to claim 1 is without concrete steel residue material, which is characterized in that the length of the steel fibre is
30-50mm；The diameter of the steel fibre is 0.3-0.9mm；The intensity of the steel fibre is 600-2000MPa.
6. purposes of a kind of semi-drying described in -5 any claims without concrete steel residue material on grid according to claim 1.
7. preparation method of a kind of semi-drying without concrete steel slag grid, including as described in claim 1-6 any claim half
Stemness prepares semi-drying without concrete steel slag grid without concrete steel residue material.
8. preparation method of a kind of semi-drying without concrete steel slag grid according to claim 7, which is characterized in that including following
Step:
1) it is stirred after measuring each component in siccative by weight, sequentially adds water-reducing agent and water is stirred mixing,
Obtain the mixture of semi-drying；
2) mixture of semi-drying obtained by step 1) is placed in grid mold, carries out vibrating forming, strike off, conserve, demoulding, both
The semi-drying is obtained without concrete steel slag grid.
9. preparation method of a kind of semi-drying without concrete steel slag grid according to claim 8, which is characterized in that including following
Any one of condition is multinomial:
A1) time that each component is stirred mixing in the siccative is 30-40s；
A2 water-reducing agent is sequentially added described in) and water is stirred the time of mixing as 60-100s；
A3) time of the vibrating forming is vibration until the bleeding of mixture surface layer；
A4) the natural curing that the maintenance covers for watering；
A5) curing time >=24 hour, compression strength >=2.5MPa of the maintenance.
10. a kind of semi-drying, without concrete steel slag grid, the preparation method as described in claim 7-9 any claim prepares.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018456A (en) * | 2019-12-26 | 2020-04-17 | 钢城集团凉山瑞海实业有限公司 | Casting residue grating plate and manufacturing method thereof |
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| CN112521064A (en) * | 2020-12-17 | 2021-03-19 | 上海二十冶建设有限公司 | Fiber-reinforced steel slag grating plate and preparation method thereof |
| CN113666689A (en) * | 2021-08-11 | 2021-11-19 | 江苏联峰实业有限公司 | Slag basin partition plate |
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