CN116924706B - Composite gelatinizing agent, curing agent powder and ready-mixed fluid curing material based on iron tailing sand and preparation method thereof - Google Patents
Composite gelatinizing agent, curing agent powder and ready-mixed fluid curing material based on iron tailing sand and preparation method thereof Download PDFInfo
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- CN116924706B CN116924706B CN202311205844.5A CN202311205844A CN116924706B CN 116924706 B CN116924706 B CN 116924706B CN 202311205844 A CN202311205844 A CN 202311205844A CN 116924706 B CN116924706 B CN 116924706B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 272
- 239000000843 powder Substances 0.000 title claims abstract description 169
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 135
- 239000004576 sand Substances 0.000 title claims abstract description 126
- 239000000463 material Substances 0.000 title claims abstract description 120
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 96
- 239000002131 composite material Substances 0.000 title claims abstract description 80
- 239000012530 fluid Substances 0.000 title claims abstract description 62
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000002699 waste material Substances 0.000 claims abstract description 85
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000002689 soil Substances 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 23
- 238000001035 drying Methods 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 124
- 239000002893 slag Substances 0.000 claims description 116
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 57
- 239000002245 particle Substances 0.000 claims description 39
- PNXOJQQRXBVKEX-UHFFFAOYSA-N iron vanadium Chemical group [V].[Fe] PNXOJQQRXBVKEX-UHFFFAOYSA-N 0.000 claims description 30
- GFNGCDBZVSLSFT-UHFFFAOYSA-N titanium vanadium Chemical group [Ti].[V] GFNGCDBZVSLSFT-UHFFFAOYSA-N 0.000 claims description 30
- 239000002002 slurry Substances 0.000 claims description 28
- 239000003349 gelling agent Substances 0.000 claims description 27
- 229910052759 nickel Inorganic materials 0.000 claims description 27
- 239000003381 stabilizer Substances 0.000 claims description 26
- 239000002270 dispersing agent Substances 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 18
- 238000000227 grinding Methods 0.000 claims description 16
- 239000000395 magnesium oxide Substances 0.000 claims description 12
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 6
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 3
- 239000004115 Sodium Silicate Substances 0.000 claims description 3
- 229920002472 Starch Polymers 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 3
- 229910000278 bentonite Inorganic materials 0.000 claims description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 3
- 229920005646 polycarboxylate Polymers 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 3
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 9
- 239000002440 industrial waste Substances 0.000 abstract description 8
- 208000005156 Dehydration Diseases 0.000 abstract description 4
- 230000018044 dehydration Effects 0.000 abstract description 4
- 238000006297 dehydration reaction Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 15
- 239000002910 solid waste Substances 0.000 description 11
- 239000000292 calcium oxide Substances 0.000 description 10
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 9
- 239000004568 cement Substances 0.000 description 8
- 238000005086 pumping Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000003337 fertilizer Substances 0.000 description 5
- 238000011049 filling Methods 0.000 description 5
- 238000004064 recycling Methods 0.000 description 5
- 241001408630 Chloroclystis Species 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 229910000628 Ferrovanadium Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/14—Cements containing slag
- C04B7/147—Metallurgical slag
-
- 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
- C04B28/34—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 cold phosphate binders
- C04B28/344—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 cold phosphate binders the phosphate binder being present in the starting composition solely as one or more phosphates
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
Abstract
The invention relates to a composite gelatinizing agent, curing agent powder, ready-mixed fluid curing material and a preparation method thereof based on iron tailing sand. The composite gelatinizing agent comprises iron tailing sand fine powder and metallurgical waste residue powder, wherein the iron tailing sand fine powder is derived from iron tailing sand mud with high water content, the metallurgical waste residue powder is derived from metallurgical waste residue, and the ready-mixed fluid curing material adopts the iron tailing sand mud with high water content and the metallurgical waste residue as direct raw materials. Therefore, the composite gelatinizing agent or the ready-mixed fluid state solidified material is produced by taking industrial waste materials such as iron tailing sand mud with high water content and metallurgical waste residues as direct raw materials, so that a large amount of iron tailing sand mud with high water content is not subjected to subsequent drying and dehydration treatment, but is directly used as a main raw material of the ready-mixed fluid state solidified soil material. The invention has practical significance for reducing environmental hazard, saving energy, reducing consumption, reducing cost and enhancing efficiency, and has obvious economic and social benefits.
Description
Technical Field
The invention relates to a composite gelatinizing agent, curing agent powder, ready-mixed fluid curing material and a preparation method thereof based on iron tailing sand, belonging to the technical field of building materials.
Background
Iron tailings are derived from the development of iron mines and are solid wastes discharged after crushing, grinding and sorting iron ores, a large amount of iron tailings pugs are produced in the iron ore mining process, and the iron tailings pugs have high water content and are often more than 15%, so the iron tailings pugs are also called as iron tailings wet mud. If the dehydration treatment is continued, the treatment cost is increased; and stacking still occupies space resources after dehydration, and has potential safety hazards. In addition, the metallurgical industry generates a large amount of smelting waste residues, and the waste residues occupy a large amount of land, are easy to pollute soil and water, and can cause the reduction of the activity of the slag, the increase of the treatment difficulty and the like due to long time.
In short, nowadays, more and more high-water-content iron tailing sand mud and metallurgical waste residues are generated along with the progress of industrialization, and the high-water-content iron tailing sand mud and metallurgical waste residues are taken as industrial waste materials, the discharge of the industrial waste materials is harmful to the environment, and no better method is available for recycling the industrial waste materials, namely the high-water-content iron tailing sand mud and the metallurgical waste residues.
Disclosure of Invention
The invention aims to provide a composite gelatinizing agent, curing agent powder, ready-mixed fluid curing material and a preparation method thereof, which are used for solving the problem that the discharge of industrial waste materials such as iron tailing sand mud and metallurgical waste residues with high water content is harmful to the environment.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the invention provides a composite gelatinizing agent based on iron tailing sand, which comprises iron tailing sand fine powder and metallurgical waste residue powder, wherein the iron tailing sand fine powder is derived from iron tailing sand mud with high water content, the metallurgical waste residue powder is derived from metallurgical waste residue, and the composite gelatinizing agent comprises the following components in parts by mass:
30-50 parts of iron tailing fine powder, 10-30 parts of vanadium iron slag powder, 10-20 parts of nickel slag powder and 20-45 parts of vanadium titanium slag powder.
In some embodiments, the iron tailing sand fine powder is prepared by drying and grinding iron tailing sand mud with high water content, and the mass ratio of silicon dioxide in the iron tailing sand fine powder is above 70%.
In some embodiments, the iron tailings fines have a particle size distribution of: the mass ratio of the particle size of <0.088mm is 22%, the mass ratio of the particle size of 0.1-0.088 mm is 24%, the mass ratio of the particle size of 0.315-0.1 mm is 48%, and the mass ratio of the particle size of 0.4-0.315 mm is 6%;
particle size of the vanadium iron slag powder<0.2mm, where Al 2 O 3 The mass ratio of the components is 60-80%, the mass ratio of the CaO component is 10-20%, the mass ratio of the MgO component is 5-15%, and the mass ratio of the other components is less than 1.5%;
particle size of the nickel slag powder<0.2mm, where SiO 2 The mass ratio of the components is 30-45%, the mass ratio of CaO and MgO components is 15-40%, al 2 O 3 The mass ratio of the components is 5-10%, the mass ratio of the FeO component is 15-30%, and the mass ratio of other oxide components is below 1.5%;
particle size of the vanadium-titanium slag powder<0.2mm, wherein the mass ratio of CaO components is 20-30%, siO 2 The mass ratio of the components is 20-30%, al 2 O 3 The mass ratio of the components is 10-18%, the mass ratio of the MgO component is 5-10%, and the mass ratio of the TiO is as follows 2 The mass ratio of the components is 20-30%, and the mass ratio of other oxides is less than 1.0%.
The second aspect of the invention provides a curing agent powder, which adopts the composite gelling agent of the first aspect of the invention as a direct raw material, and comprises the following formula components in parts by weight: 2-25 parts of composite gelling agent, 0-5 parts of dispersing agent and 0-5 parts of slurry stabilizer.
In some embodiments, the dispersant is sodium hexametaphosphate and/or sodium tripolyphosphate in combination with a polycarboxylate water reducer;
the slurry stabilizer comprises a combination of starch, bentonite, citrate, carboxymethyl cellulose and sodium silicate powder.
The third aspect of the present invention provides a ready-mixed fluidized curing material, which adopts the curing agent powder of the second aspect of the present invention as a direct raw material, and comprises:
2-30% of the curing agent powder is stirred with single iron tailing sand mud to form a mud-like fluid curing material; or alternatively
2-30% of curing agent powder, 70-95% of iron tailing sand mud and slag soil of metallurgical waste residues, and 0-25% of additional water to form the concrete-like fluid curing material.
In some embodiments, the water content of the iron tailings mud is 10-40%.
In some embodiments, the metallurgical slag is one or a combination of vanadium iron slag, nickel slag and vanadium titanium slag, and the metallurgical slag has a maximum particle size of 15mm.
In a fourth aspect, the present invention provides a method of preparing a composite gellant, comprising:
accurately weighing the fine iron tailing sand powder, the vanadium iron slag powder, the nickel slag powder and the vanadium titanium slag powder according to the formula components in parts by weight of the composite gelatinizing agent;
fully and uniformly mixing the weighed fine iron tailing sand powder, vanadium iron slag powder, nickel slag powder and vanadium titanium slag powder to form a mixture;
and grinding the mixture by mechanical grinding until the particle size distribution of the fine iron tailing sand powder, the particle size of the vanadium iron slag powder, the particle size of the nickel slag powder and the particle size of the vanadium titanium slag powder meet the requirements, thereby forming the composite gelatinizing agent.
The fifth aspect of the present invention provides a method for producing a ready-mixed fluidized cured material, comprising:
preparing the composite gellant according to the preparation method of the fourth aspect of the present invention;
mixing the composite gelatinizing agent, a dispersing agent, a slurry stabilizer and water according to the formula ratio of parts by weight, and uniformly stirring to form a curing agent solution;
the method comprises the steps of weighing iron tailing sand mud with high water content and metallurgical waste residues according to a calculated proportion, mixing, and stirring to form slag soil containing the iron tailing sand mud and the metallurgical waste residues;
and sequentially adding the curing agent solution into the slag soil containing the iron tailing sand mud and the metallurgical waste residues, and stirring for 3-5 minutes to form the concrete-like fluid curing material.
Due to the adoption of the technical scheme, the invention has the following advantages:
the composite gelatinizing agent, the curing agent powder, the ready-mixed fluid curing material and the preparation method thereof disclosed by the invention have the advantages that the industrial waste such as the iron tailing sand mud with high water content and the metallurgical waste residue is used as the direct raw material in the production of the composite gelatinizing agent and the ready-mixed fluid curing material, so that a large amount of the iron tailing sand mud with high water content is not subjected to subsequent drying and dehydration treatment, but is directly used as the main raw material of the ready-mixed fluid curing soil material, the cost is saved, the working procedure is simplified, the environment is protected, the recycling of the iron tailing sand mud is realized, and the economic benefit and the ecological benefit are remarkable.
The composite gelatinizing agent disclosed by the invention takes industrial solid wastes such as iron tailing fine powder and multi-source metallurgical waste residue powder as raw materials, and the prepared composite gelatinizing agent replaces cement in a fluid state curing material, so that the problems of large consumption, low strength, poor environmental friendliness and the like of the cement material in soil curing are avoided, and the whole production process flow is short and has no environmental pollution.
According to the preparation method of the composite gelatinizing agent disclosed by the invention, main components of silica, alumina, calcium oxide, magnesium oxide and the like of the prepared composite gelatinizing agent exist in iron tailing sand and metallurgical waste residues, and the activity of the composite gelatinizing agent is improved through mechanical grinding; and the calcium oxide and the magnesium oxide contained in the composite powder material provide alkali excitation conditions for the subsequent fluid curing material, which is beneficial to strengthening and improving the material performance.
The invention discloses a ready-mixed fluid curing material and a preparation method thereof, wherein a curing soil source adopts slag soil formed by mixing high-water-content iron tailing sand and metallurgical waste residues, and a curing agent adopts a composite gelling agent prepared by taking the high-water-content iron tailing sand and the metallurgical waste residues as raw materials, so that the curing agent and the curing soil source of the ready-mixed fluid curing material all adopt the high-water-content iron tailing sand and the multi-source metallurgical waste residues as raw materials, and the method for preparing the composite gelling agent and the ready-mixed fluid curing material by taking the high-water-content iron tailing sand and the metallurgical waste residues as raw materials consumes the high-water-content iron tailing sand and the multi-source metallurgical waste residues, eliminates the harm of the high-water-content iron tailing sand and the multi-source metallurgical waste residues to the environment, realizes the effective utilization of solid waste resources to the greatest extent, reduces the engineering application cost, and can also obtain effective environmental benefit and economic benefit.
(V) the preparation method of the ready-mixed fluid curing material disclosed by the invention comprises the steps of fully and uniformly premixing various determined powder materials, and mechanically fine grinding to form a composite gelatinizing agent; and then pre-mixing with dispersant, slurry stabilizer and water in proportion to form pre-curing agent powder or solution. And adding the curing agent powder or solution into the predetermined main material dregs, stirring for 3-5 minutes to form a fluid curing material with good fluidity, and realizing backfilling and other reinforcement requirements on various building engineering fertilizer tanks, foundation pits, goafs and the like through pumping or chute construction pouring.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, but rather by the claims.
FIG. 1 is a flow chart of the preparation and application of the composite gelling agent, curing agent powder and ready-mixed fluid curing material provided by the invention.
Fig. 2 is a schematic diagram of a sample of a slurry-like fluidized cured material according to the present invention.
FIG. 3 is a schematic cross-sectional view of a test block after curing of a slurry-like fluidized cured material.
Detailed Description
Exemplary embodiments of the present invention will be described in detail below. It should be understood, however, that the invention may be embodied in an exemplary embodiment and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
It is well known that the main chemical component of iron tailings sand is SiO 2 、Fe 2 O 3 、Al 2 O 3 The main chemical components of the vanadium iron slag in the multi-source metallurgical waste slag are Al 2 O 3 The main chemical components of the nickel slag are SiO 2 、A1 2 O 3 、Fe 2 O 3 Main component CaO, siO of vanadium-titanium slag 2 、Al 2 O 3 MgO, and the main components of the iron tailings and the metallurgical waste residues are all indispensable for the cementing material. The iron tailing sand and the multi-source metallurgical waste residue are mixed according to a certain proportion and then mechanically finely ground, so that the dispersion and interdiffusion of the metallurgical waste residue powder and the tailing sand powder are promoted, the activity of the mixture is improved, and the high-activity iron tailing sand and multi-source metallurgical waste residue-based composite gelatinizing agent can be obtained. The formed composite gelatinizer powder can be replacedAs the cement is used as the curing agent component of the building material, the granularity of the cement is smaller than that of the cement, the fluidity of the fluid curing soil can be enhanced, the early strength of the material is obviously improved, and the permeation resistance of the material is improved.
The premixed fluid state solidified soil is a geotechnical engineering material which is prepared by fully utilizing proper solid waste materials, doping a certain proportion of special cementing materials, necessary additives and water according to engineering requirements, uniformly mixing by a specific mixer to form a mixture which has pumpability, good fluidity and no need of vibrating, and solidifying the mixture into the geotechnical engineering material with certain strength, water stability, low permeability and long-term stability after casting and maintenance; the method can be used for backfilling various fertilizer grooves, foundation pits and pits, and can also be used for reinforcing treatment of roadbed, foundation and other constructional engineering.
The premixed fluid solidified soil technology has good construction convenience, has great inclusion in application, and can cooperatively treat high-solid wastes such as construction waste, metallurgical waste residue, tailing sand mud, wastewater sludge and the like; through reasonable scientific design, the solid waste can be used as a raw material to prepare the cementing material with excellent performance and can also be used as a filling main material of the fluid-state solidified soil material. The composite gelatinizing agent and the fluid state solidifying material based on the iron tailing sand and the metallurgical waste residue have high utilization rate of solid waste, and provide a way for high value-added recycling of the iron tailing sand and the metallurgical waste residue.
The composite gelatinizing agent is prepared by mixing solid wastes such as iron tailing sand fine powder, vanadium iron slag powder, nickel slag powder, vanadium titanium slag powder and the like, drying, mechanically activating and grinding into fine powder; the fluid state solidifying material comprises a plurality of metallurgical waste residues, iron tailings fine-granularity wet mud materials, composite gelatinizer powder, dispersing agent, stabilizing agent and the like; firstly, mixing composite gelatinizer powder, dispersing agent and stabilizing agent with water to prepare curing agent solution, then adding the curing agent solution into a mixture formed by one or more of metallurgical waste residue and iron tailing fine-particle-size wet mud, and stirring to prepare the fluid curing material.
The invention performs cooperation and comprehensive utilization of iron tailing sand and multi-source metallurgical waste residues as raw materials of curing agents and filling materials, forms a fluid curing material which can be pumped well and has strong fluidity and proper strength after construction, and is used for backfilling and pouring of building fertilizer grooves, foundation pits and pits, and reinforcing treatment fields of road foundations, building foundations and the like; the energy consumption, the high energy consumption resource of cement concrete and the like are effectively reduced; solves the pollution and waste problem caused by unordered stacking of tailings and metallurgical waste residues, realizes the high-capacity and high-added-value utilization of waste resources, and has good social and economic benefits and resource environmental benefits.
Example 1: composite gelatinizer
The embodiment 1 of the invention provides a composite gelling agent, which takes industrial waste materials such as iron tailing sand mud with high water content and metallurgical waste residues as raw materials, and the composition of the composite gelling agent is described in detail below.
The invention provides a composite gelling agent, which is prepared from industrial waste materials such as iron tailing sand with high water content and metallurgical waste residues by taking the raw materials as shown in figure 1, and comprises the following components in parts by mass: 30-50 parts of iron tailing fine powder, 10-30 parts of vanadium iron slag powder, 10-20 parts of nickel slag powder and 20-45 parts of vanadium titanium slag powder.
The iron tailing sand fine powder takes iron tailing sand mud with high water content as a direct raw material, wherein the wet iron tailing sand mud has high water content, and the iron tailing sand fine powder is prepared by drying and grinding the wet iron tailing sand mud to obtain SiO in the iron tailing sand fine powder 2 The mass ratio is above 70%.
The particle size distribution of the iron tailing sand fine powder is as follows: the mass ratio of the particle size of the iron tailing sand fine powder is 22 percent, the mass ratio of the particle size of the iron tailing sand fine powder is 0.1-0.088 mm is 24 percent, the mass ratio of the particle size of the iron tailing sand fine powder is 0.315-0.1 mm is 48 percent, and the mass ratio of the particle size of the iron tailing sand fine powder is 0.4-0.315 mm is 6 percent.
Particle size of vanadium iron slag powder<0.2mm, where Al 2 O 3 The mass ratio of the components is 60-80%, the mass ratio of the CaO component is 10-20%, the mass ratio of the MgO component is 5-15%, and the mass ratio of the other components is less than 1.5%.
Particle size of nickel slag powder<0.2mm, where SiO 2 The mass ratio of the components is 30-45%, the mass ratio of CaO and MgO components is 15-40%, al 2 O 3 The mass ratio of the components is about 5-10%, the mass ratio of the FeO component is 15-30%, and the mass ratio of the other oxide components is less than 1.5%.
Particle size of vanadium-titanium slag powder<0.2mm, wherein the mass ratio of CaO components is 20-30%, siO 2 The mass ratio of the components is 20-30%, al 2 O 3 The mass ratio of the components is 10-18%, the mass ratio of the MgO component is 5-10%, and the mass ratio of the TiO is as follows 2 The mass ratio of the components is 20-30%, and the mass ratio of other oxides is less than 1.0%.
The cementing material is produced by taking the iron tailing sand mud with high water content and the metallurgical waste residue as raw materials, and is further used for related applications, so that the problems that the iron tailing sand mud with high water content and the metallurgical waste residue are discarded as solid waste and seriously pollute the environment are solved.
In addition, in the content of the components, siO 2 The contents of the oxides such as CaO, mgO and the like are similar to those of cement, and the strength and other performances of the material can be greatly improved after the hydration reaction is promoted by alkali excitation. Simultaneously selecting Al in slag powder 2 O 3 FeO and TiO 2 The invention uses the same as cementing material to produce ready-mixed fluid curing materials with different forms, realizes the high value-added utilization of solid waste resources and is low in Al 2 O 3 The amount of mineral slag powder provides a more valuable way of digestion.
Example 2: preparation method of composite gelatinizer
Example 2 provides a method for preparing a composite gelling agent, which adopts iron tailing sand with high water content and metallurgical waste residues as direct raw materials to prepare the composite gelling agent of example 1, and comprises the following steps:
weighing: accurately weighing iron tailing sand fine powder, vanadium iron slag powder, nickel slag powder and vanadium titanium slag powder according to the formula components of the composite gelatinizing agent in parts by mass;
mixing: fully and uniformly mixing the weighed iron tailing sand fine powder, vanadium iron slag powder, nickel slag powder and vanadium titanium slag powder to form a mixture;
grinding: the mixture is ground by mechanical grinding until the particle size distribution of the fine powder of the iron tailing sand, the particle size of the vanadium iron slag powder, the particle size of the nickel slag powder and the particle size of the vanadium titanium slag powder meet the requirements, and the composite gelatinizing agent is formed.
Example 3: curing agent powder
Example 3 of the present invention provides a curing agent powder, the composition of which is described in detail below.
Referring to fig. 1, the curing agent powder comprises the composite gelling agent, the dispersing agent and the stabilizing agent of the embodiment 1, and comprises the following formula components in parts by mass: 2-25 parts of composite gelling agent, 0-5 parts of dispersing agent and 0-5 parts of slurry stabilizer.
The composite gellant was the composite gellant of example 1.
The dispersing agent is a combination of sodium hexametaphosphate and/or sodium tripolyphosphate and a polycarboxylate water reducer.
In order to improve the workability of the ready-mixed fluid cured material, a slurry stabilizer is introduced, which can improve the pumping stability and fluidity of the mixed slurry and has good adaptability to setting and hardening, and the slurry stabilizer comprises a combination of starch, bentonite, citrate, carboxymethyl cellulose and sodium silicate powder.
Example 4: premixed fluid curing material
The embodiment 4 of the invention provides a ready-mixed fluid curing material, which comprises 2-30% of the curing agent powder in the embodiment 3, wherein the curing agent powder is stirred with single iron tailing sand mud to form a slurry-like fluid curing material. Can be added with water or not, has high water content in the iron tailing sand mud, or does not need to be added with water when the water reducer is more. As shown in fig. 2-3, fig. 2 shows a sample of the just-added water-shaped slurry-like fluid cured material, and fig. 3 shows a cross section of a test block after the slurry-like fluid cured material is cured.
Example 5: premixed fluid curing material
The embodiment 5 of the invention provides a ready-mixed fluid curing material which takes iron tailing sand with high water content and metallurgical waste residues as raw materials, adopts the curing agent powder of the embodiment 3, and the curing agent powder accounts for 2-30%, and the composition is described in detail below.
The ready-mixed fluid curing material disclosed in the embodiment 5 is a concrete-like fluid curing material, and comprises main materials and auxiliary materials, wherein the main materials are slag soil formed by mixing iron tailing sand mud and metallurgical waste residues; the auxiliary materials, also called additives, adopt the curing agent powder of the embodiment 3 to be a composite gelling agent, a dispersing agent and a slurry stabilizer, and the dry material of the ready-mixed fluid curing material specifically comprises the following formula components in parts by weight: the slag comprises 75-95% of iron tailing sand mud and metallurgical waste residues, 2-30% of curing agent powder and 0-25% of additional water, and is shown in figure 1.
The iron tailing sand mud, the iron tailing sand mud of the embodiment 1 and the fine materials are tailings of the same kind, and are directly used in a ready-mixed fluid curing material, and the water content is 10-40%.
The metallurgical slag is multi-source metallurgical slag, the same as the type of the metallurgical slag powder adopted by the composite gelatinization agent in the preparation example 1, and is one or a combination of a plurality of vanadium iron slag, nickel slag and vanadium titanium slag, and the maximum granularity of the metallurgical slag is 15mm.
As can be seen from a combination of examples 4 and 5, the main material of the ready mixed fluid solidified material may be selected from a single iron tailings slurry, or may be a mixture of iron tailings slurry and multi-source metallurgical slag waste.
Example 6: preparation method of ready-mixed fluid curing material
Example 6 provides a method for preparing a ready-mixed fluidized bed material, which uses iron tailing sand and metallurgical waste residues with high water content as direct raw materials to prepare the ready-mixed fluidized bed material of example 5, and referring to fig. 1, the method comprises the following steps:
step one: a composite gellant was prepared following the procedure of example 2;
step two: mixing the composite gelatinizing agent, a dispersing agent, a slurry stabilizer and water according to the formula ratio of parts by weight, and uniformly stirring to form curing agent powder or solution; wherein the composite gelatinizing agent is powder.
Step three: weighing iron tailing sand mud and metallurgical waste residues according to a calculated proportion, mixing, and stirring to form slag soil containing the iron tailing sand mud and the metallurgical waste residues;
step four: and adding the curing agent powder or solution into the slag soil containing the iron tailing sand mud and the metallurgical waste residues successively, and stirring for 3-5 minutes to form the fluid curing material with good fluidity.
In the fourth step, the stirring operation can be carried out uniformly in a stirring station, and then the mixture is transported to the site pouring by a concrete tank truck.
In order to realize large-scale and high-capacity recycling cooperative utilization treatment of iron tailing sand pugs and various metallurgical waste residues, the invention provides a fluid state curing material which is prepared by taking iron tailing sand and metallurgical waste residues as bases and is formed by taking the iron tailing sand and the metallurgical waste residues as soil sources, and a preparation method thereof. The iron tailing sand and the metallurgical waste slag are screened and then dried according to a proportion, and are subjected to mechanical fine grinding to obtain composite gelatinizing agent powder, wherein the composite gelatinizing agent is taken as a main part of a curing agent, one or more of the metallurgical waste slag and the iron tailing sand are directly taken as main materials of filling materials, and the materials are stirred to form a ready-mixed fluid curing material, so that a series of problems caused by the production of the iron tailing sand and the metallurgical waste slag can be solved; the prepared ready-mixed fluid curing material can be used as various pit backfill materials and building foundation reinforcing materials, and the value-added recycling of solid wastes such as tailings, metallurgical waste residues and the like is realized.
The construction application based on the premixed fluid-state solidified soil technology does not need cement, but adopts waste minerals and smelting slag to form a special cementing material with better performance, and can use waste minerals and waste slag in large scale to replace sand stone adopted by concrete as a main material of filling and reinforcing materials; the invention relates to the synergistic and comprehensive effects of waste ores and waste residues, the prepared gelatinization agent has better performance, the application of the fluid-state solidification material is more convenient and flexible, and the large-scale waste absorption and the high-efficiency utilization of waste resources are realized.
It will be described in more detail that the tailings sand, metallurgical slag of the present invention are used in both gelling agents and ready-mixed fluid-state solidified materials. Except that the preparation of the gelling agent requires drying, grinding processes and particle size selection of the tailings sand, metallurgical waste residues. When the method is applied to forming a fluid-state solidified material, the metallurgical waste residue does not need to be dehydrated, and the requirements on granularity, morphology and variety are relatively wide. When the method is applied to engineering, the main material of the fluid curing material can only adopt the wet tailings with high water content, and finally the fluid curing filling slurry with extremely high fluid state and good pumping performance is formed; one or more metallurgical waste residues can be used as large-particle aggregate, wet tailings and curing agents are used as aggregate-aggregate components, and the fluid curing engineering material in a concrete-like form is formed.
The technical effects of the composite gellant disclosed herein will be described below in connection with experiments.
Test one
15 parts of iron tailing sand fine powder, 40 parts of vanadium iron slag powder, 15 parts of nickel slag powder and 30 parts of vanadium titanium slag powder are mixed and mechanically ground to obtain composite gelatinizing agent powder.
1900 parts of iron tailing sand mud with the water content of about 30 percent, 80 parts of composite gelatinizer powder, 5 parts of dispersing agent, 15 parts of slurry stabilizer and no additional water.
When in use, the dispersing agent, the composite gelatinizing agent and the slurry stabilizer are uniformly mixed to form the curing agent for the tailing sand fluid material; stirring the iron tailing sand slurry for 3 minutes, adding a curing agent, and continuing stirring for 3 minutes to form the slurry-like fluid state curing slurry with high fluidity. In actual construction, the materials are uniformly mixed in a stirring station and then transported to the site for pouring.
Test II
And mixing 20 parts of iron tailing sand fine powder, 35 parts of vanadium iron slag powder, 20 parts of nickel slag powder and 25 parts of vanadium titanium slag powder, and mechanically grinding to obtain the composite gelatinizing agent powder.
300 parts of iron tailing sand mud with the water content of 20%, 500 parts of ferrovanadium slag, 500 parts of nickel slag, 500 parts of vanadium-titanium slag, 180 parts of composite gelatinizer powder, 10 parts of dispersing agent and 10 parts of slurry stabilizer. 300 parts of water is added.
When in use, the dispersing agent, the composite gelatinizing agent, the slurry stabilizer and the water are uniformly mixed to form the curing agent solution for the tailing sand fluid material; mixing main materials such as iron tailing sand mud, multi-source metallurgical slag and the like, stirring for 3 minutes, adding a curing agent, and continuing stirring for 5 minutes to form a wet mixture with good fluidity, wherein pumping or chute construction casting can be performed, and the backfilling engineering requirements of various building fertilizer tanks, foundation pits, goafs and the like can be realized. In actual construction, the materials are uniformly mixed in a stirring station and then transported to the site for pouring.
Test three
30 parts of iron tailing sand fine powder, 27 parts of vanadium iron slag powder, 28 parts of nickel slag powder and 15 parts of vanadium titanium slag powder are mixed and mechanically grinded to obtain the composite gelatinizing agent powder.
330 parts of iron tailing sand mud with the water content of 20 percent, 670 parts of vanadium iron slag, 670 parts of vanadium titanium slag, 300 parts of composite gelatinizer powder, 13 parts of dispersing agent and 17 parts of slurry stabilizer. 330 parts of water were added.
When in use, the dispersing agent, the composite gelatinizing agent, the slurry stabilizer and the water are uniformly mixed to form the curing agent solution for the tailing sand fluid material; the main material of slag soil formed by the iron tailing sand mud and the metallurgical slag is stirred for 3 minutes, and is continuously stirred for 5 minutes after the curing agent solution is added, so that the wet mixture with good fluidity is formed, pumping or chute construction pouring can be performed, and the backfilling engineering requirements of various building fertilizer tanks, foundation pits, goafs and the like can be realized. In actual construction, the materials are uniformly mixed in a stirring station and then transported to the site for pouring.
Test four
35 parts of iron tailing sand fine powder, 25 parts of vanadium iron slag powder, 30 parts of nickel slag powder and 10 parts of vanadium titanium slag powder are mixed and mechanically grinded to obtain the composite gelatinizing agent powder.
420 parts of iron tailing sand mud with the water content of 20%, 595 parts of vanadium iron slag, 600 parts of nickel slag, 350 parts of composite gelatinizer powder, 15 parts of dispersing agent and 20 parts of slurry stabilizer. 350 parts of water are added.
When in use, the dispersing agent, the composite gelatinizing agent, the slurry stabilizer and the water are uniformly mixed to form the curing agent solution for the tailing sand fluid material; the main material of slag soil formed by the iron tailing sand mud and the metallurgical slag aggregate is stirred for 3 minutes, and is continuously stirred for 5 minutes after the curing agent solution is added, so that the wet mixture with good fluidity is formed, pumping or chute construction pouring can be performed, and the requirements of various building backfilling or reinforcement engineering can be met. In actual construction, the materials are uniformly mixed in a stirring station and then transported to the site for pouring.
Test five
35 parts of iron tailing sand fine powder, 25 parts of vanadium iron slag powder, 30 parts of nickel slag powder and 10 parts of vanadium titanium slag powder are mixed and mechanically grinded to obtain the composite gelatinizing agent powder.
450 parts of iron tailing sand mud with the water content of 20%, 520 parts of nickel slag, 520 parts of vanadium-titanium slag, 370 parts of composite gelatinizer powder, 18 parts of dispersing agent, 22 parts of slurry stabilizer and 370 parts of additional water.
When in use, the dispersing agent, the composite gelatinizing agent, the slurry stabilizer and the water are uniformly mixed to form the curing agent solution for the tailing sand fluid material; the main material of slag soil formed by the iron tailing sand mud and the metallurgical slag is stirred for 3 minutes, and is continuously stirred for 5 minutes after the curing agent solution is added, so that the wet mixture with good fluidity is formed, pumping or chute construction pouring can be performed, and the requirements of various building backfilling or reinforcement engineering can be met. In actual construction, the materials are uniformly mixed in a stirring station and then transported to the site for pouring.
After construction application, the ready-mixed fluid state curing material prepared by taking iron tailing sand and multi-source metallurgical waste residues as raw materials has good flowing property, can well fill the required positions to realize backfilling or reinforcement, has proper strength of a casting body and good overall stability, and completely meets the performance requirements of engineering application.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A composite gellant based on iron tailings, characterized by: the composite gelling agent comprises iron tailing sand fine powder and metallurgical waste residue powder, wherein the iron tailing sand fine powder is derived from iron tailing sand mud with high water content, the water content of the iron tailing sand mud with high water content is 10-40%, the metallurgical waste residue powder is derived from metallurgical waste residue, the metallurgical waste residue is multi-source metallurgical waste residue containing vanadium iron residue, nickel residue and vanadium titanium residue, the multi-source metallurgical waste residue comprises vanadium iron residue powder, nickel residue powder and vanadium titanium residue powder, and the formula components in parts by mass of the composite gelling agent are as follows: 30-50 parts of iron tailing sand fine powder, 10-30 parts of vanadium iron slag powder, 10-20 parts of nickel slag powder and 20-45 parts of vanadium titanium slag powder; wherein the method comprises the steps of
The iron tailing sand fine powder is prepared by drying and grinding iron tailing sand mud with high water content, and the mass ratio of silicon dioxide in the iron tailing sand fine powder is above 70%;
the particle size distribution of the iron tailing sand fine powder is as follows: the mass ratio of the particle size of <0.088mm is 22%, the mass ratio of the particle size of 0.1-0.088 mm is 24%, the mass ratio of the particle size of 0.315-0.1 mm is 48%, and the mass ratio of the particle size of 0.4-0.315 mm is 6%;
particle size of the vanadium iron slag powder<0.2mm, where Al 2 O 3 The mass ratio of the components is 60-80%, the mass ratio of the CaO component is 10-20%, the mass ratio of the MgO component is 5-15%, and the mass ratio of the other components is less than 1.5%;
particle size of the nickel slag powder<0.2mm, where SiO 2 The mass ratio of the components is 30-45%, the mass ratio of CaO and MgO components is 15-40%, al 2 O 3 The mass ratio of the components is 5-10%, the mass ratio of the FeO component is 15-30%, and the mass ratio of other oxide components is below 1.5%;
particle size of the vanadium-titanium slag powder<0.2mm, wherein the mass ratio of CaO components is 20-30%, siO 2 The mass ratio of the components is 20-30%, al 2 O 3 The mass ratio of the components is 10-18%, the mass ratio of the MgO component is 5-10%, and the mass ratio of the TiO is as follows 2 The mass ratio of the components is 20-30%, and the mass ratio of other oxides is less than 1.0%.
2. A curing agent powder, characterized in that: the composite gel agent as claimed in claim 1 is used as a direct raw material, and the curing agent powder comprises the following formula components in parts by mass: 2-25 parts of composite gelling agent, 0-5 parts of dispersing agent, 0-5 parts of slurry stabilizer, and the mass parts of dispersing agent and slurry stabilizer are not 0.
3. The curative powder of claim 2, wherein:
the dispersing agent is the combination of sodium hexametaphosphate and/or sodium tripolyphosphate and a polycarboxylate water reducer;
the slurry stabilizer comprises a combination of starch, bentonite, citrate, carboxymethyl cellulose and sodium silicate powder.
4. A ready-mixed fluidized curing material using the curing agent powder as set forth in claim 2 or 3 as a direct raw material, characterized in that the ready-mixed fluidized curing material comprises:
2-30% of the curing agent powder is stirred with single iron tailing sand mud to form a mud-like fluid curing material; or alternatively
2-30% of curing agent powder, 70-95% of iron tailing sand mud and slag soil of metallurgical waste residues, and 0-25% of additional water to form the concrete-like fluid curing material.
5. The ready-mixed fluidized cured material of claim 4, wherein:
the water content of the iron tailing sand mud is 10-40%.
6. The ready-mixed fluidized cured material of claim 4, wherein:
the metallurgical waste residue is one or a combination of more of vanadium iron residue, nickel residue and vanadium titanium residue, and the maximum granularity of the metallurgical waste residue is 15mm.
7. A method of preparing the composite gellant of claim 1, wherein: comprising the following steps:
accurately weighing the fine iron tailing sand powder, the vanadium iron slag powder, the nickel slag powder and the vanadium titanium slag powder according to the formula components in parts by weight of the composite gelatinizing agent;
fully and uniformly mixing the weighed fine iron tailing sand powder, vanadium iron slag powder, nickel slag powder and vanadium titanium slag powder to form a mixture;
and grinding the mixture by mechanical grinding until the particle size distribution of the fine iron tailing sand powder, the particle size of the vanadium iron slag powder, the particle size of the nickel slag powder and the particle size of the vanadium titanium slag powder meet the requirements, thereby forming the composite gelatinizing agent.
8. A method of producing a ready-mixed fluidized cured material according to any one of claims 4 to 6, characterized in that: comprising the following steps:
preparing the composite gellant according to the preparation method of claim 7;
mixing the composite gelatinizing agent, a dispersing agent, a slurry stabilizer and water according to the formula ratio of parts by weight, and uniformly stirring to form curing agent powder;
the method comprises the steps of weighing iron tailing sand mud with high water content and metallurgical waste residues according to a calculated proportion, mixing, and stirring to form slag soil containing the iron tailing sand mud and the metallurgical waste residues;
and sequentially adding the curing agent powder into the slag soil containing the iron tailing sand mud and the metallurgical waste residues, and stirring for 3-5 minutes to form the concrete-like fluid curing material.
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