CN103319105B - Inorganic waterproof cementitious material and preparation method thereof - Google Patents
Inorganic waterproof cementitious material and preparation method thereof Download PDFInfo
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- CN103319105B CN103319105B CN201310271128.7A CN201310271128A CN103319105B CN 103319105 B CN103319105 B CN 103319105B CN 201310271128 A CN201310271128 A CN 201310271128A CN 103319105 B CN103319105 B CN 103319105B
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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
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Abstract
The invention discloses an inorganic waterproof cementitious material. The inorganic waterproof cementitious material is characterized by comprising the materials in parts by weight: 35-55 parts of ash and/or decarburized slag, 10-30 parts of blast furnace slag/mineral powder, 8-16 parts of slag and/or coal ash, 4-8 parts of carbide slag, 0-10 parts of cement clinker, 4-8 parts of gypsum, 0-5 parts of lime stone and 0.5-5 parts of booster. All materials adopted by the inorganic waterproof cementitious material are inorganic materials, and aim at overcoming the defects generated by organic matters contained in polymer waterproof mortar. Thus, the inorganic waterproof cementitious material is good in weather fastness, not easy to age, good in affinity with a base layer, convenient to construct, and long in service life; and no harmful gas is released in the constructing and using processes.
Description
Technical field
The present invention relates to architectural waterproof material field, especially, relate to a kind of inorganic water-proof gelling material and manufacture method thereof.
Background technology
Current construction water proof material mainly uses organic or is mixed with the water-proof material of organic polymer, comprises the classes such as waterproof roll, waterproof coating, rigidity water-proofing material, construction sealing materials.Wherein waterproof roll comprises synthesis polymer coiled material, polymer modified bituminous waterproof sheet material, asphalt water-proof coiled material.Waterproof coating comprises synthesis polymer waterproof coating, high-polymer modified pitch waterproof coating, asphaltic base waterproof paint.Rigidity water-proofing material is the water-proof material mixing the admixtures such as polymkeric substance, comprises water-proof concrete, waterproof mortar.
Organic waterproof material ubiquity weathering resistance is poor, easily aging, and with basic unit avidity is bad, work-ing life is short, construction is inconvenient, discharge obnoxious flavour in construction process affect the defects such as people's physical and mental health.
Rigid waterproofing gelling material such as waterproof polymer mortar is in cement, add organism (additive such as water-resisting agent and swelling agent), improves the concrete seepage-resistant grade of formation.This remedial measures afterwards has following defect:
1, the adding of additive, just improve on the basis of cement water-proof, the structural performance of Behavior of Hardened Cement Paste itself does not obtain basic change, the real product forming a kind of direct waterproof by self structure.
2, the ultraviolet in sunlight has a great impact the aging of polymer materials.The molecular linkage of many polymkeric substance can be cut off, and can photochemical reaction be caused, very large to the destructiveness of many polymer materialss.This reaction generally occurs in material surface, first cause mortar surface polymkeric substance aging, inner layer development gradually, infrared rays in sunlight also can cause material thermal ageing, therefore waterproof polymer mortar generally has weathering resistance difference, easily aging, work-ing life short problem, when after organism aged deterioration, its water resistance disappear.
3 and the effect that is all improved of the adhesive property of the polymer emulsion of not all to sand-cement slurry, as added acrylate in mortar.This may be because some polymkeric substance incompatible with cement system, cannot reach full-inorganic material self in conjunction with effect.Have impact on hydrated cementitious process, and polymkeric substance itself also can be degraded because of the alkalescence of cement system.
The effect of 4, the change of outside temperature, drying and watering cycle, water also can accelerated material aging, and particularly when polymkeric substance is in humid tropical condition, intensity obviously declines, and when soaked, temperature is higher, and loss of strength is larger.Also there is not resist chemical problem in organic additive, cannot adapt to the physical environment gone from bad to worse.
5, when polymkeric substance volume is excessive, polymkeric substance is predominantly in sand-cement slurry, and cement sandstone external phase is interrupted, and polymeric film ftractures because shrinking too fast, forms the inclusion being weaker than Behavior of Hardened Cement Paste, finally causes strength degradation.
Therefore, a kind of novel inorganic water-proof gelling material is developed and manufacture method is technical problem urgently to be resolved hurrily.
Summary of the invention
The object of the invention is to provide a kind of inorganic water-proof gelling material and manufacture method thereof, organism (as polymkeric substance) is added to solve in water-proof material, the inorganics such as organism and cement avidity is not good, and organism weathering resistance is bad and the dry green deformation being subject to concrete or mortar, temperature deformation and the structure position changing that cause produce crack and seep water and ultraviolet ray ageing work-ing life is short, Behavior of Hardened Cement Paste nature does not change, decompose aging damage by solar ray irradiates, organic-inorganic material mixing is easily degraded, larger etc. technical problem affected by environment.
For achieving the above object, according to an aspect of the present invention, provide a kind of inorganic water-proof gelling material, according to listed as parts by weight, inorganic water-proof gelling material comprises lime-ash and/or decarburization slag 35-55 part, blast-furnace slag/breeze 10-30 part, slag and/or flyash 8-16 part, carbide slag 4-8 part, cement clinker 0-10 part, gypsum 4-8 part, Wingdale 0-5 part and exciting agent 0.5-5 part.Decarburization slag be by coal firing boiler use after from furnace bottom discharge slag under red heat state through calcine completely removing residual carbon formed product.Slag is discharged through cooled product from furnace bottom after coal firing boiler uses.Wingdale effect improves material workability, improves its workability.Calcined kaolin is the selectable components of inorganic water-proof gelling material, and its effect is the anti-permeability performance that can improve material.
Further, lime-ash is the lime-ash formed after bone coal and/or coal gangue calcine carbon elimination completely; Decarburization slag is the decarburization slag formed after the slag of discharging from furnace bottom after coal firing boiler uses calcines carbon elimination completely further under red heat state.Calcining refers to and all to be consumed by carbon in calcination process completely completely, is a carbon rejection process.Bone coal and/or coal gangue calcine completely after lime-ash carbon element content lower than 1.2%.Decarburization slag calcine completely after carbon element content lower than 1.2%.
Further, inorganic water-proof gelling material comprises coal gangue clinker 40 parts, blast-furnace slag/breeze 25 parts, slag and/or 10 parts, flyash, carbide slag 7 parts, cement clinker 8 parts, 7 parts, gypsum and exciting agent 3 parts; Or inorganic water-proof gelling material comprises stone coal ash 40 parts, blast-furnace slag/breeze 25 parts, slag and/or 10 parts, flyash, carbide slag 7 parts, cement clinker 8 parts, 7 parts, gypsum and exciting agent 3 parts; Or inorganic water-proof gelling material comprises stone coal ash 40 parts, blast-furnace slag/breeze 20 parts, slag and/or 10 parts, flyash, carbide slag 7 parts, cement clinker 8 parts, 7 parts, gypsum, 5 parts, Wingdale and exciting agent 3 parts; Or inorganic water-proof gelling material comprises 45 parts, decarburization slag, blast-furnace slag/breeze 25 parts, 8 parts, flyash, carbide slag 5 parts, cement clinker 6 parts, 8 parts, gypsum and exciting agent 3 parts.
Further, lime-ash and/or decarburization slag water ratio < 1%, blast-furnace slag/breeze < 2%, slag water ratio < 2%, flyash water ratio < 2%, carbide slag water ratio < 5%, cement clinker water ratio < 2%, gypsum water ratio < 3%, exciting agent water ratio < 2%.
Further, the processing mode of the ore waste that bone coal and/or coal mining produce is 600 DEG C of-900 DEG C of multistages calcinings, removing residual carbon wherein; The slag treatment mode of discharging from furnace bottom after being used by coal firing boiler in step a is under red heat state, through 600 DEG C of-900 DEG C of multistages calcinings, and removing residual carbon wherein.After multistage calcining refers to 600 DEG C-900 DEG C most of carbon of burning removing, then in stove/kiln, continue calcining by air/oxygen, extend its calcination time, can fully decarburization.
Further, the particle diameter of inorganic water-proof gelling material is less than 70 μm.
Further, exciting agent comprises at least one in the halogen of the silicofluoride of sodium, the aluminate of sodium, the silicate of sodium, the phosphoric acid salt of sodium, the vitriol of sodium, the silicofluoride of calcium, the aluminate of calcium, the silicate of calcium, the phosphoric acid salt of calcium, the vitriol of calcium or magnesium.
Further, inorganic water-proof gelling material also includes at least one in calcined kaolin, zeolite or shrend inscription slag.
Provide the manufacture method of another kind of inorganic water-proof gelling material, after comprising the steps: a, the ore waste fragmentation that bone coal and/or coal mining produced, form lime-ash through complete Calcination for removing carbon; And/or the slag of discharging from furnace bottom after being used by coal firing boiler forms decarburization slag through calcining carbon elimination completely; B, lime-ash is mixed in proportion into compound with blast-furnace slag/breeze, Wingdale, carbide slag, cement clinker, gypsum and exciting agent, in compound, also includes slag and/or flyash; Or decarburization slag is mixed in proportion into compound with blast-furnace slag/breeze, Wingdale, carbide slag, cement clinker, gypsum and exciting agent, in compound, also includes slag and/or flyash; Or lime-ash is mixed in proportion into compound with decarburization slag with blast-furnace slag/breeze, Wingdale, carbide slag, cement clinker, gypsum and exciting agent, in compound, also includes slag and/or flyash; C, compound sent in grinding system and pulverize, grind and mix; D, mixed compound to be screened; E, screen underproof compound repeating step c and steps d; Screen qualified mixture, obtain inorganic water-proof gelling material.
Further, the mining wastes of the ore waste of mining produced in step a to be thermal value be 1.7 ~ 6.3MJ/kg.Be mainly coal gangue.Thermal value is that the mining wastes of 1.7 ~ 6.3MJ/kg also includes a small amount of associated minerals except coal gangue, the associated minerals that thermal value is low are included in the component of inorganic water-proof gelling material together with coal gangue after calcining decarburization completely, have promoter action for the bonding force of inorganic water-proof gelling material, intensity and waterproof ability.
Further, the ore waste of mining produced in step a is coal gangue.
Further, in step b, compound is lime-ash, blast-furnace slag/breeze, flyash, carbide slag, Wingdale, cement clinker, gypsum and exciting agent prepare burden in proportion and mix after measuring; Or compound is that lime-ash and blast-furnace slag/breeze, slag, Wingdale, carbide slag, cement clinker, gypsum and exciting agent are prepared burden in proportion and mix after measuring; Or compound is that decarburization slag and blast-furnace slag/breeze, flyash, Wingdale, carbide slag, cement clinker, gypsum and exciting agent are prepared burden in proportion and mix after measuring; Or compound is that decarburization slag and blast-furnace slag/breeze, slag, Wingdale, carbide slag, cement clinker, gypsum and exciting agent are prepared burden in proportion and mix after measuring.
Further, the compound in step b comprises lime-ash and/or decarburization slag 35-55 part, blast-furnace slag/breeze 10-30 part, slag or/flyash 8-16 part, carbide slag 4-8 part, cement clinker 0-10 part, gypsum 4-8 part, Wingdale 0-5 part and exciting agent 0.5-5 part according to parts by weight.Also include calcined kaolin 0-15 part, zeolite 0-5 part, shrend inscription slag 0-5 part.
Further, lime-ash and/or decarburization slag water ratio < 1%, slag water ratio < 2%, blast-furnace slag/breeze water ratio < 2%, flyash water ratio < 2%, carbide slag water ratio < 5%, cement clinker water ratio < 2%, gypsum water ratio < 3%, exciting agent water ratio < 2%.
Further, cement clinker, blast-furnace slag/breeze, lime-ash, decarburization slag, slag, flyash, gypsum, carbide slag, Wingdale and exciting agent are weighed by proportioning/measure, mixing is sent into after grinding system is milled to suitable granularity and is obtained inorganic water-proof gelling material.
Further, in step a, the processing mode of the ore waste that bone coal and/or coal mining produce is 600 DEG C of-900 DEG C of multistages calcinings, removing residual carbon wherein; The slag treatment mode of discharging from furnace bottom after being used by coal firing boiler in step a is under red heat state, through 600 DEG C of-900 DEG C of multistages calcinings, and removing residual carbon wherein.Multistage calcining refers to except after boiler combustion removes most of carbon, then continues to calcine in stove/kiln by air/oxygen, extends its calcination time, can fully decarburization.
Further, the lime-ash carbon element content obtained after calcining completely is lower than 1.2%.The decarburization slag carbon element content obtained after calcining is completely lower than 1.2%.
Further, in step e, the particle diameter of inorganic water-proof gelling material is less than 70 μm.
Further, exciting agent comprises at least one in the halogen of the silicofluoride of sodium, the aluminate of sodium, the silicate of sodium, the phosphoric acid salt of sodium, the vitriol of sodium, the silicofluoride of calcium, the aluminate of calcium, the silicate of calcium, the phosphoric acid salt of calcium, the vitriol of calcium or magnesium.
The present invention has following beneficial effect:
The raw material that a, this programme adopt is all inorganic materials, object overcomes the defect because producing containing organism in waterproof polymer mortar, good weatherability, not easily aging,, long service life good with basic unit avidity, obnoxious flavour can not be discharged in easy construction, construction process, thus extending buildings work-ing life, inorganic water-proof gelling material inherently plays good waterproof effect, and the whole building water-repellancy employing this inorganic water-proof gelling material is better.
In b, this programme, cement clinker proportion is below 10%.Waterproof glue gel material main raw material(s) in this programme is bone coal or coal gangue or slag, belong to carbonaceous, argillite, through 600-900 DEG C of multistage calcining decarburization, contained clay mineral dehydration is decomposed, burn detrimental impurity, there is good activity, form a certain amount of metakaolin and unbodied active silica, aluminum oxide etc., under cement clinker, super finely ground slag, calcareous composition equal excitation, there is hydration reaction, the hydrated calcium silicate gel (C-S-H) of formation and alumina gel (AH
3) amount considerably beyond silicate cement, the portlandite in hydration reaction thing and ettringite are then few than silicate cement, its test specimen lower compressive strength, and folding strength is then higher, and performance has than cement concrete, seepage-resistant grade that mortar is higher.
C, exciting agent can improve mortar workability, water-retentivity and cohesive strength and early strength, reduce the water-intake rate of aggregate, improve the cohesive force between aggregate and slurry, improve the pore structure of slurry, improve degree of compactness and the intensity of mortar.The water-proof material of this programme and compared with the cement group water-proofing material of common mixed type, truly having more outstanding feature in nature.
D, inorganic water-proof gelling material have the following advantages:. easy construction, after inorganic water-proof gelling material and satisfactory sand, water being mixed in proportion, common bricklayer's just can reach good specification of quality by the construction of general plastering method; . construction environment is required strict, can construct at moist or coarse basal plane, after solution flexible waterproof material is constructed on the basal plane of humidity more than 9%, the difficult problem that layering departs from; Plasticity is good, and be easy to the waterproof construction carrying out the weak parts such as negative and positive angle, pipeline, sanitary equipment periphery, narrow space changeable in the opposite sex also can well be constructed; Can with basal plane can be combined into entirety, can construct at upstream face and back side; Can the erosion of the erosion such as acid, alkali, chlorine class in withstand long term exposure water; Be conducive to the lower construction to operation after construction, such as direct on waterproof layer the operation such as tiling, Puttying, swabbing; Waterproof, seepage-resistant grade are high, and durable years is long, synchronous with building life, are permanent water-resistant materials; Cost is low, and under the prerequisite of equal classification of waterproof, comprehensive cost is lower than flexible waterproof material; Achieve many things at one stroke, can unite two into one with tiling, the working procedure of plastering; Environment-protecting asepsis, without potential safety hazard during construction, non-environmental-pollution after construction.
E, this programme adopt chemical sludge carbide slag, other waste residue and pulverized fuel ash, debris coal gangue, Wingdale, slag to be main raw material, consume a large amount of waste residue, have cost advantage.This programme has good social benefit, environmental benefit and economic benefit.This programme is different from the additional additive of Portland cement base waterproof material, directly preparing burden by calcining the compositions such as the lime-ash of bone coal/coal gangue, forming C-S-H and belonging to network gel, High anti bending strength.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is one of structural representation of the inorganic water-proof gelling material making method of the preferred embodiment of the present invention.
Fig. 2 is the structural representation two of the inorganic water-proof gelling material making method of the preferred embodiment of the present invention.
Fig. 3 is the structural representation three of the inorganic water-proof gelling material making method of the preferred embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Fig. 1 is one of structural representation of the inorganic water-proof gelling material making method of the preferred embodiment of the present invention; Fig. 2 is the structural representation two of the inorganic water-proof gelling material making method of the preferred embodiment of the present invention; Fig. 3 is the structural representation three of the inorganic water-proof gelling material making method of the preferred embodiment of the present invention, as shown in Figure 1, 2, 3, the manufacture method of inorganic water-proof gelling material, forms lime-ash through complete Calcination for removing carbon after comprising the steps: a, the ore waste fragmentation that bone coal and/or coal mining produced; And/or the slag of discharging from furnace bottom after being used by coal firing boiler forms decarburization slag through calcining carbon elimination completely; B, lime-ash is mixed in proportion into compound with blast-furnace slag/breeze, Wingdale, carbide slag, cement clinker, gypsum and exciting agent, in compound, also includes slag and/or flyash; Or decarburization slag is mixed in proportion into compound with blast-furnace slag/breeze, Wingdale, carbide slag, cement clinker, gypsum and exciting agent, in compound, also includes slag and/or flyash; Or lime-ash is mixed in proportion into compound with decarburization slag with blast-furnace slag/breeze, Wingdale, carbide slag, cement clinker, gypsum and exciting agent, in compound, also includes slag and/or flyash; C, compound sent in grinding system and pulverize, grind and mix; D, mixed compound to be screened; E, screen underproof compound repeating step c and steps d; Screen qualified mixture, obtain inorganic water-proof gelling material.The ore waste produced of mining is mainly coal gangue, waterproof glue gel material main raw material(s) is bone coal or coal gangue or red heat slag, belong to carbonaceous, argillite, through 600-900 DEG C of multistage calcining decarburization, contained clay mineral dehydration is decomposed, burn detrimental impurity, there is good activity, form a certain amount of metakaolin and unbodied active silica, aluminum oxide etc., under cement clinker, super finely ground slag, calcareous composition equal excitation, hydration reaction forms a large amount of hydrated calcium silicate gel (C-S-H) and alumina gel (AH
3), performance has the anti-permeability performance higher than cement group water-proofing material and water resistance, compared with silicate cement base waterproof material, in its hydration reaction thing portlandite and ettringite ratio to lack a lot, ultimate compression strength and Young's modulus on the low side, produce a large amount of netted C-S-H gels, improve folding strength.
It is also, the mining wastes of the ore waste of mining produced in step a to be thermal value be 1.7 ~ 6.3MJ/kg.The ore waste of mining produced in step a is coal gangue.Compound in step b comprises lime-ash and/or decarburization slag 35-55 part, blast-furnace slag/breeze 10-30 part, slag or/flyash 8-16 part, carbide slag 4-8 part, cement clinker 0-10 part, gypsum 4-8 part, Wingdale 0-5 part and exciting agent 0.5-5 part according to parts by weight.Lime-ash and/or decarburization slag water ratio < 1%, slag water ratio <2%, blast-furnace slag/breeze water ratio <2%, flyash water ratio <2%, carbide slag water ratio <5%, cement clinker water ratio < 2%, gypsum water ratio < 3%, exciting agent water ratio < 2%.In step a, the processing mode of the ore waste that bone coal and/or coal mining produce is 600 DEG C of-900 DEG C of multistages calcinings, removing residual carbon wherein; The slag treatment mode of discharging from furnace bottom after being used by coal firing boiler in step a is under red heat state, through 600 DEG C of-900 DEG C of multistages calcinings, and removing residual carbon wherein.In step e, the particle diameter of inorganic water-proof gelling material is less than 70 μm.Exciting agent comprises at least one in the halogen of the silicofluoride of sodium, the aluminate of sodium, the silicate of sodium, the phosphoric acid salt of sodium, the vitriol of sodium, the silicofluoride of calcium, the aluminate of calcium, the silicate of calcium, the phosphoric acid salt of calcium, the vitriol of calcium or magnesium.
Inorganic water-proof gelling material, according to listed as parts by weight, inorganic water-proof gelling material comprises lime-ash and/or decarburization slag 35-55 part, blast-furnace slag/breeze 10-30 part, slag and/or flyash 8-16 part, carbide slag 4-8 part, cement clinker 0-10 part, gypsum 4-8 part and Wingdale 0-5 part, also includes exciting agent 0.5-5 part.Lime-ash is the lime-ash formed after bone coal and/or coal gangue calcine carbon elimination completely.Lime-ash and/or decarburization slag water ratio < 1%, blast-furnace slag/breeze water ratio < 2%, slag water ratio < 1%, flyash water ratio < 1%, carbide slag water ratio < 5%, cement clinker water ratio < 1%, gypsum water ratio < 2%, exciting agent water ratio < 2%.The processing mode of bone coal and/or coal gangue is 600 DEG C-900 DEG C calcinings, multistage de-carbon.The particle diameter of inorganic water-proof gelling material is less than 70 μm.Exciting agent comprises at least one in the halogen of the silicofluoride of sodium, the aluminate of sodium, the silicate of sodium, the phosphoric acid salt of sodium, the vitriol of sodium, the silicofluoride of calcium, the aluminate of calcium, the silicate of calcium, the phosphoric acid salt of calcium, the vitriol of calcium or magnesium.Adopt chemical sludge carbide slag, other waste residue and pulverized fuel ash, debris coal gangue, Wingdale, decarburization slag to be main raw material, consume a large amount of waste residue, there is cost advantage.This programme has good social benefit, environmental benefit and economic benefit.This programme is different from the additional additive of Portland cement base waterproof material, is directly prepared burden by compositions such as calcining bone coals, forms C-S-H and belong to network gel, High anti bending strength.
Inorganic water-proof gelling material, is prepared from blast-furnace slag/breeze, slag or flyash, carbide slag, cement clinker, gypsum, Wingdale and exciting agent for main production raw material according to a certain weight ratio with bone coal (coal gangue) lime-ash after calcining, decarburization slag.Raw material compositing formula, according to listed as parts by weight, is bone coal (coal gangue) lime-ash and/or decarburization slag 35 ~ 55, blast-furnace slag/breeze 10 ~ 30, slag, flyash 8 ~ 16, carbide slag 4 ~ 8, cement clinker 0 ~ 10, gypsum 4 ~ 8, Wingdale 0-5, exciting agent 0.5 ~ 5.Its water ratio is respectively: lime-ash and/or decarburization slag < 1%, blast-furnace slag/breeze water ratio < 2%, slag < 1%, flyash < 1%, carbide slag < 5%, grog < 1%, gypsum < 2%, exciting agent < 2%.Be 600 DEG C-900 DEG C calcinings to main raw material bone coal processing mode, multistage de-carbon, qualified lime-ash and/or decarburization slag carbon element content are lower than 1.2%.After raw material enters grinding system by proportioning, qualified product cut size is less than 70 μm.Exciting agent comprises at least one in the halogen of the silicofluoride of sodium, the aluminate of sodium, the silicate of sodium, the phosphoric acid salt of sodium, the vitriol of sodium, the silicofluoride of calcium, the aluminate of calcium, the silicate of calcium, the phosphoric acid salt of calcium, the vitriol of calcium or magnesium.Feed composition is inorganics, and prepared product is full-inorganic waterproof glue gel material.
The basic recipe (mass percent) of table 1 inorganic water-proof gelling material
Inorganic water-proof gelling material with bone coal (or coal gangue) lime-ash after calcining, decarburization slag is for main production raw material.Raw material sources are the thermal value that coal mining process abandons is the mining wastes of 1.7 ~ 6.3MJ/kg, after calcining the flammable carbon component of removing completely, with blast-furnace slag/breeze, slag or flyash, carbide slag, cement clinker, gypsum, Wingdale and exciting agent through prepare burden, measuring, grinding, all mix after pack and become finished product.As shown in table 1, the composition of inorganic water-proof gelling material more than 80% is industrial residue.
Inorganic water-proof gelling material main raw material is bone coal (or coal gangue), and its leading indicator is as shown in table 2:
Table 2 bone coal (or coal gangue) main performance index
| SiO 2／％ | Al 2O 3／％ | Fe 2O 3／％ | Thermal value/MJ/kg |
| ≥40 | 15～25 | <5 | 1．7～6．3 |
Preferably, proportioning raw materials one is as follows: coal gangue clinker 40, blast-furnace slag/breeze 25, slag, flyash 10, carbide slag 7, cement clinker 8, gypsum 7, exciting agent 3.Detected result is as shown in table 3.
Table 3 detected result
Preferably, proportioning raw materials two is as follows: stone coal ash 40, blast-furnace slag/breeze 25, slag, flyash 10, carbide slag 7, cement clinker 8, gypsum 7, exciting agent 3.Detected result is as shown in table 4.
Table 4 detected result
Preferably, proportioning raw materials three is as follows: stone coal ash 40, blast-furnace slag/breeze 20, slag, flyash 10, carbide slag 7, cement clinker 8, gypsum 7, Wingdale 5, exciting agent 3.Detected result is as shown in table 5.
Table 5 detected result
Preferably, proportioning raw materials four is as follows: decarburization slag 45, blast-furnace slag/breeze 25, flyash 8, carbide slag 5, cement clinker 6, gypsum 8, exciting agent 3.Detected result is as shown in table 6.
Table 6 detected result
During enforcement, cement clinker, blast-furnace slag/breeze, lime-ash, decarburization slag, slag, flyash, gypsum, carbide slag, Wingdale and exciting agent are weighed by proportioning/measure, mixing is sent into after grinding system is milled to suitable granularity and is packed warehouse-in.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. an inorganic water-proof gelling material, it is characterized in that, according to listed as parts by weight, described inorganic water-proof gelling material comprises lime-ash and/or decarburization slag 35-55 part, blast-furnace slag/breeze 10-30 part, slag and/or flyash 8-16 part, carbide slag 4-8 part, cement clinker 6-10 part, gypsum 4-8 part, Wingdale 0-5 part and exciting agent 0.5-5 part;
Described lime-ash is the lime-ash formed after bone coal and/or coal gangue calcine carbon elimination completely; Described decarburization slag is the decarburization slag formed after the slag of discharging from furnace bottom after coal firing boiler uses calcines carbon elimination completely further under red heat state.
2. inorganic water-proof gelling material according to claim 1, it is characterized in that, described inorganic water-proof gelling material comprises coal gangue clinker 40 parts, blast-furnace slag/breeze 25 parts, slag and/or 10 parts, flyash, carbide slag 7 parts, cement clinker 8 parts, 7 parts, gypsum and exciting agent 3 parts;
Or described inorganic water-proof gelling material comprises stone coal ash 40 parts, blast-furnace slag/breeze 25 parts, slag and/or 10 parts, flyash, carbide slag 7 parts, cement clinker 8 parts, 7 parts, gypsum and exciting agent 3 parts;
Or described inorganic water-proof gelling material comprises stone coal ash 40 parts, blast-furnace slag/breeze 20 parts, slag and/or 10 parts, flyash, carbide slag 7 parts, cement clinker 8 parts, 7 parts, gypsum, 5 parts, Wingdale and exciting agent 3 parts;
Or described inorganic water-proof gelling material comprises 45 parts, decarburization slag, blast-furnace slag/breeze 25 parts, 8 parts, flyash, carbide slag 5 parts, cement clinker 6 parts, 8 parts, gypsum and exciting agent 3 parts.
3. a manufacture method for inorganic water-proof gelling material, is characterized in that, comprises the steps:
Lime-ash is formed through complete Calcination for removing carbon after a, the ore waste fragmentation that bone coal and/or coal mining produced; And/or the slag of discharging from furnace bottom after being used by coal firing boiler forms decarburization slag through calcining carbon elimination completely;
B, lime-ash is mixed in proportion into compound with blast-furnace slag/breeze, Wingdale, carbide slag, cement clinker, gypsum and exciting agent, in compound, also includes slag and/or flyash; Or decarburization slag is mixed in proportion into compound with blast-furnace slag/breeze, Wingdale, carbide slag, cement clinker, gypsum and exciting agent, in compound, also includes slag and/or flyash; Or lime-ash is mixed in proportion into compound with decarburization slag with blast-furnace slag/breeze, Wingdale, carbide slag, cement clinker, gypsum and exciting agent, in compound, also includes slag and/or flyash;
C, compound sent in grinding system and pulverize, grind and mix;
D, mixed compound to be screened;
E, screen underproof compound repeating step c and steps d; Screen qualified mixture, obtain described inorganic water-proof gelling material;
Compound in described step b comprises lime-ash and/or decarburization slag 35-55 part, blast-furnace slag/breeze 10-30 part, slag or/and flyash 8-16 part, carbide slag 4-8 part, cement clinker 6-10 part, gypsum 4-8 part, Wingdale 0-5 part and exciting agent 0.5-5 part according to parts by weight.
4. manufacture method according to claim 3, the mining wastes of the ore waste of mining produced in described step a to be thermal value be 1.7 ~ 6.3MJ/kg.
5. manufacture method according to claim 3, is characterized in that, the ore waste of mining produced in described step a is coal gangue.
6. the manufacture method according to any one of claim 3 to 5, it is characterized in that, described lime-ash and/or described decarburization slag water ratio < 1%, described slag water ratio < 2%, described blast-furnace slag/breeze water ratio < 2%, described flyash water ratio < 2%, described carbide slag water ratio < 5%, described cement clinker water ratio < 2%, described gypsum water ratio < 3%, described exciting agent water ratio < 2%.
7. the manufacture method according to any one of claim 3 to 5, is characterized in that, in described step a, the processing mode of the ore waste that bone coal and/or coal mining produce is 600 DEG C of-900 DEG C of multistages calcinings, removing residual carbon wherein; The slag treatment mode of discharging from furnace bottom after being used by coal firing boiler in described step a is under red heat state, through 600 DEG C of-900 DEG C of multistages calcinings, and removing residual carbon wherein.
8. the manufacture method according to any one of claim 3 to 5, is characterized in that, in described step e, the particle diameter of inorganic water-proof gelling material is less than 70 μm.
9. the manufacture method according to any one of claim 3 to 5, it is characterized in that, described exciting agent comprises at least one in the halogen of the silicofluoride of sodium, the aluminate of sodium, the silicate of sodium, the phosphoric acid salt of sodium, the vitriol of sodium, the silicofluoride of calcium, the aluminate of calcium, the silicate of calcium, the phosphoric acid salt of calcium, the vitriol of calcium or magnesium.
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| CN117964258B (en) * | 2024-03-28 | 2024-06-11 | 内蒙古工业大学 | Low-heat composite cementing material with high-doping-amount silicon-calcium slag and preparation method thereof |
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