CN107857573A - A kind of preparation method using gangue as the insulation blocks of primary raw material - Google Patents

A kind of preparation method using gangue as the insulation blocks of primary raw material Download PDF

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CN107857573A
CN107857573A CN201711148864.8A CN201711148864A CN107857573A CN 107857573 A CN107857573 A CN 107857573A CN 201711148864 A CN201711148864 A CN 201711148864A CN 107857573 A CN107857573 A CN 107857573A
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gangue
parts
primary raw
insulation blocks
glutinous rice
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刘玉峰
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Jilin Jianzhu University
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Jilin Jianzhu University
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    • C04B33/00Clay-wares
    • C04B33/36Reinforced clay-wares
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    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
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    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/131Inorganic additives
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    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
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    • C04B33/132Waste materials; Refuse; Residues
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    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • C04B33/1328Waste materials; Refuse; Residues without additional clay
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C04B2235/3222Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)
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    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/42Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422Carbon
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    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/44Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9607Thermal properties, e.g. thermal expansion coefficient
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/60Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

Abstract

The invention discloses a kind of preparation method using gangue as the insulation blocks of primary raw material, comprise the following steps:Gangue, spinelle, bamboo charcoal powder, glutinous rice flour, water mixed grinding is uniform, it is sent into reactor, heats up, insulation, be cooled to room temperature, filters, be dried to obtain pretreatment gangue;It is uniform that bagasse powder, glass fibre, calcium carbonate, carrageenan, glutinous rice flour mixed grinding are added into pretreatment gangue, adds water, heats up, stirring, pressed compact, dry, calcining, cooling obtains the insulation blocks using gangue as primary raw material.The present invention using gangue produces the concrete building bricks for meeting national standard, and effectively alleviating gangue content height causes compression strength low, and heat insulating effect is poor, the shortcomings that breakage rate, effectively alleviates the serious pollution problem that gangue is brought.

Description

A kind of preparation method using gangue as the insulation blocks of primary raw material
Technical field
The present invention relates to concrete building bricks technical field, more particularly to a kind of insulation using gangue as primary raw material to build The preparation method of block.
Background technology
Gangue is the solid waste discharged during coal mining process and coal washing, be one kind in coalification course with coal seam companion A kind of relatively low, harder than the coal black and gray rock of raw phosphorus content.Including the digging gangue during tunnelling, mining process In the spoil that is produced in top plate, bottom plate and interlayer and that chooses during coal washing wash spoil.Its main component be aluminum oxide, Silica, the iron oxide not waited containing quantity also in addition, calcium oxide, magnesia, sodium oxide molybdena, potassium oxide, phosphorus pentoxide, three Sulfur oxide and micro rare element (gallium, vanadium, titanium, cobalt).
Coal association barren rock is one kind of Resourcization of Mining Solid Waste, is that the solid discharged during driving, exploitation and coal washing gives up Thing.It is one kind of Resourcization of Mining Solid Waste, includes the picking cash washed in cash, coal production, half coal road and the stone drifting of coal washery The mixture of white cash outside the coal and rock of middle discharge and the coal measures stacked together with gangue etc..Be carbonaceous, shale and The mixture of arenaceous shale, there is low heating value.Carbon containing 20%~30%, some contain humic acid.China has accumulated bastard coal over the years Stone about 1000Mt, and continue to discharge about 100Mt every year, not only accumulation is taken up an area, and can also spontaneous combustion pollution air or cause Fire.Gangue is primarily used to produce the construction materials such as spoil cement, the aglite of concrete, refractory brick, additionally may be used For reclaiming coal, coal and spoil mixed with power generation, produce the chemical products such as crystal aluminum chloride, waterglass and extraction is valuable rare Metal, it can also make fertilizer.
And clay brick is handled through pug, is molded, drying and roasting forms using clay as primary raw material, applied in architectural engineering In work, country's increasingly limitation uses clay-ware, and more using concrete building bricks, but concrete segment contraction stability is poor, Easily cracking.
If utilization of coal gangue utilized, added in concrete building bricks, by great Tillage conservation soil, but mesh It is preceding concrete building bricks to be prepared using gangue compression strength to be present low, the problem of heat insulating effect difference, it would be highly desirable to solve.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of insulation using gangue as primary raw material and built The preparation method of block, the concrete building bricks for meeting national standard are produced using gangue, effectively alleviate gangue content Height causes compression strength low, and heat insulating effect is poor, the shortcomings that breakage rate, effectively alleviates the serious pollution that gangue is brought and asks Topic.
A kind of preparation method using gangue as the insulation blocks of primary raw material proposed by the present invention, comprises the following steps:
It is S1, gangue, spinelle, bamboo charcoal powder, glutinous rice flour, water mixed grinding is uniform, it is sent into reactor, heats up, protects Temperature, room temperature is cooled to, filters, be dried to obtain pretreatment gangue;
S2, into pretreatment gangue, addition bagasse powder, glass fibre, calcium carbonate, carrageenan, glutinous rice flour mixing are ground Mill is uniform, adds water, heats up, and stirring, pressed compact, dries, and calcining, cooling obtains the insulation blocks using gangue as primary raw material.
Preferably, in S1,150-180 DEG C is warming up to, is incubated 20-30h.
Preferably, in S1, gangue, spinelle, bamboo charcoal powder, the weight of glutinous rice flour ratio are 30-60:3-6:2-6:5-15.
Preferably, in S1, by weight by 20-50 parts gangue, 7-12 parts spinelle, 8-12 parts bamboo charcoal powder, 10-20 parts Glutinous rice flour, 60-70 part water mixed grindings are uniform, are sent into reactor, are warming up to 150-180 DEG C, are incubated 20-30h, are cooled to room Temperature, filtering, is dried to obtain pretreatment gangue.
Preferably, in S2, it is 8-18wt% to add water to water content, is warming up to 70-80 DEG C, stirs 20-50min.
Preferably, in S2, the pressure of pressed compact is 20-26MPa.
Preferably, in S2, drying temperature is 90-95 DEG C, drying time 2-4h, and calcining heat is 1000-1200 DEG C, is forged The burning time is 3-6h.
Preferably, in S2,4-10 parts bagasse powder, 1-3 part glass are added into 100 parts of pretreatment gangues by weight Fiber, 6-8 parts calcium carbonate, 4-10 parts carrageenan, 2-5 part glutinous rice flour mixed grindings are uniform, and it is 8- to add water to water content 18wt%, 70-80 DEG C is warming up to, stirs 20-50min, pressed compact, pressure 15-25MPa, 90-95 DEG C of dry 2-4h, 800- 1000 DEG C of calcining 2-3h, cooling obtain the insulation blocks using gangue as primary raw material.
The present invention is using glutinous rice flour with after gangue, spinelle, bamboo charcoal powder grinding uniformly, being sent into reactor, glutinous rice flour exists Reactor be carbonized, and with gangue, spinelle, bamboo charcoal powder high degree of dispersion, not only compensate for the shortcomings that gangue compression strength is low, And further compounded with bagasse powder, glass fibre, and the molding bonded in the presence of calcium carbonate, carrageenan, glutinous rice flour Effect is fabulous, after oversintering, is internally formed a large amount of loose empty structures, high insulating effect, and can substantially mitigate the weight of brick body Amount.
The theory for the novel environment friendly that the present invention promotes according to country, the coagulation for meeting national standard is produced using gangue Earth building blocks brick, effectively alleviating gangue content height causes compression strength low, and heat insulating effect is poor, the shortcomings that breakage rate, has Effect alleviates the serious pollution problem that gangue is brought.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method using gangue as the insulation blocks of primary raw material, comprise the following steps:
It is S1, gangue, spinelle, bamboo charcoal powder, glutinous rice flour, water mixed grinding is uniform, it is sent into reactor, heats up, protects Temperature, room temperature is cooled to, filters, be dried to obtain pretreatment gangue;
S2, into pretreatment gangue, addition bagasse powder, glass fibre, calcium carbonate, carrageenan, glutinous rice flour mixing are ground Mill is uniform, adds water, heats up, and stirring, pressed compact, dries, and calcining, cooling obtains the insulation blocks using gangue as primary raw material.
Embodiment 2
A kind of preparation method using gangue as the insulation blocks of primary raw material, comprise the following steps:
S1,35 parts of gangues, 10 parts of spinelles, 9 parts of bamboo charcoal powders, 18 parts of glutinous rice flours, 65 parts of water are mixed and ground by weight Mill is uniform, is sent into reactor, is warming up to 170 DEG C, is incubated 25h, is cooled to room temperature, filters, is dried to obtain pretreatment gangue;
S2, by weight 7 parts of bagasse powders of addition, 1.5 parts of glass fibres, 6.5 parts of carbon into 100 parts of pretreatment gangues Sour calcium, 7 parts of carrageenans, 4 parts of glutinous rice flour mixed grindings are uniform, and it is 12wt% to add water to water content, are warming up to 75 DEG C, stirring 30min, pressed compact, pressure 22MPa, 92 DEG C of dry 2.5h, 950 DEG C of calcining 2.5h, cool down and obtain using gangue as primary raw material Insulation blocks.
Embodiment 3
A kind of preparation method using gangue as the insulation blocks of primary raw material, comprise the following steps:
S1,20 parts of gangues, 12 parts of spinelles, 8 parts of bamboo charcoal powders, 20 parts of glutinous rice flours, 60 parts of water are mixed and ground by weight Mill is uniform, is sent into reactor, is warming up to 180 DEG C, is incubated 20h, is cooled to room temperature, filters, is dried to obtain pretreatment gangue;
S2, by weight 4 parts of bagasse powders of addition, 3 parts of glass fibres, 6 parts of carbonic acid into 100 parts of pretreatment gangues Calcium, 10 parts of carrageenans, 2 parts of glutinous rice flour mixed grindings are uniform, and it is 18wt% to add water to water content, are warming up to 70 DEG C, stirring 50min, pressed compact, pressure 15MPa, 95 DEG C of dry 2h, 1000 DEG C of calcining 2h, cool down and obtain the guarantor using gangue as primary raw material Warm building block.
Embodiment 4
A kind of preparation method using gangue as the insulation blocks of primary raw material, comprise the following steps:
S1,50 parts of gangues, 7 parts of spinelles, 12 parts of bamboo charcoal powders, 10 parts of glutinous rice flours, 70 parts of water are mixed and ground by weight Mill is uniform, is sent into reactor, is warming up to 150 DEG C, is incubated 30h, is cooled to room temperature, filters, is dried to obtain pretreatment gangue;
S2, by weight 10 parts of bagasse powders of addition, 1 part of glass fibre, 8 parts of carbonic acid into 100 parts of pretreatment gangues Calcium, 4 parts of carrageenans, 5 parts of glutinous rice flour mixed grindings are uniform, and it is 8wt% to add water to water content, are warming up to 80 DEG C, stirring 20min, pressed compact, pressure 25MPa, 90 DEG C of dry 4h, 800 DEG C of calcining 3h, cool down and obtain the guarantor using gangue as primary raw material Warm building block.
Embodiment 5
A kind of preparation method using gangue as the insulation blocks of primary raw material, comprise the following steps:
S1, by weight by 40 parts of gangues, 7 parts of spinelles, 12 parts of bamboo charcoal powders, 12 parts of glutinous rice flours, 70 parts of water mixed grindings Uniformly, it is sent into reactor, is warming up to 150 DEG C, be incubated 25h, be cooled to room temperature, filters, be dried to obtain pretreatment gangue;
S2, by weight 6 parts of bagasse powders of addition, 1.5 parts of glass fibres, 7 parts of carbonic acid into 100 parts of pretreatment gangues Calcium, 8 parts of carrageenans, 2.5 parts of glutinous rice flour mixed grindings are uniform, and it is 18wt% to add water to water content, are warming up to 75 DEG C, stirring 25min, pressed compact, pressure 22MPa, 90 DEG C of dry 4h, 1000 DEG C of calcining 2h, cool down and obtain the guarantor using gangue as primary raw material Warm building block.
Embodiments of the invention 1-5 sample, when thermal conductivity factor is 0.15W/m.K, compressive resistance is not less than 15MPa, close Spend for 0.38-0.45g/cm3, brick body 10-15% weight can be mitigated, breakage rate is no more than 0.2%.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.

Claims (8)

1. a kind of preparation method using gangue as the insulation blocks of primary raw material, it is characterised in that comprise the following steps:
It is S1, gangue, spinelle, bamboo charcoal powder, glutinous rice flour, water mixed grinding is uniform, it is sent into reactor, heats up, insulation is cold But to room temperature, filtering, it is dried to obtain pretreatment gangue;
S2, into pretreatment gangue, addition bagasse powder, glass fibre, calcium carbonate, carrageenan, glutinous rice flour mixed grinding are equal It is even, add water, heat up, stirring, pressed compact, dry, calcining, cooling obtains the insulation blocks using gangue as primary raw material.
2. the preparation method using gangue as the insulation blocks of primary raw material according to claim 1, it is characterised in that S1 In, 150-180 DEG C is warming up to, is incubated 20-30h.
3. the preparation method using gangue as the insulation blocks of primary raw material according to claim 1, it is characterised in that S1 In, gangue, spinelle, bamboo charcoal powder, the weight of glutinous rice flour ratio are 30-60:3-6:2-6:5-15.
4. the preparation method using gangue as the insulation blocks of primary raw material according to claim 1, it is characterised in that S1 In, by weight by 20-50 parts gangue, 7-12 parts spinelle, 8-12 parts bamboo charcoal powder, 10-20 parts glutinous rice flour, 60-70 part water Mixed grinding is uniform, is sent into reactor, is warming up to 150-180 DEG C, is incubated 20-30h, is cooled to room temperature, filters, is dried to obtain Pre-process gangue.
5. the preparation method using gangue as the insulation blocks of primary raw material according to claim 1, it is characterised in that S2 In, it is 8-18wt% to add water to water content, is warming up to 70-80 DEG C, stirs 20-50min.
6. the preparation method using gangue as the insulation blocks of primary raw material according to claim 1, it is characterised in that S2 In, the pressure of pressed compact is 20-26MPa.
7. the preparation method using gangue as the insulation blocks of primary raw material according to claim 1, it is characterised in that S2 In, drying temperature is 90-95 DEG C, drying time 2-4h, and calcining heat is 1000-1200 DEG C, calcination time 3-6h.
8. the preparation method using gangue as the insulation blocks of primary raw material according to claim 1, it is characterised in that S2 In, added by weight into 100 parts of pretreatment gangues 4-10 parts bagasse powders, 1-3 parts glass fibre, 6-8 parts calcium carbonate, 4-10 parts carrageenan, 2-5 part glutinous rice flour mixed grindings are uniform, and it is 8-18wt% to add water to water content, is warming up to 70-80 DEG C, 20-50min is stirred, pressed compact, pressure 15-25MPa, 90-95 DEG C of dry 2-4h, 800-1000 DEG C is calcined 2-3h, and cooling obtains Insulation blocks using gangue as primary raw material.
CN201711148864.8A 2017-11-17 2017-11-17 A kind of preparation method using gangue as the insulation blocks of primary raw material Pending CN107857573A (en)

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KR100824930B1 (en) * 2006-12-26 2008-04-28 재단법인 포항산업과학연구원 A composition for refractory board
CN105503154A (en) * 2016-01-26 2016-04-20 重庆市合川区狮滩矸砖厂 Coal gangue bricks for bearing structure wall and production method thereof
CN105645877A (en) * 2016-01-13 2016-06-08 王湖彬 High-strength energy-saving thermal-insulation brick and preparation method thereof
CN106365561A (en) * 2016-08-31 2017-02-01 郭舒洋 Preparation method of weather-resistance tile adhesion agent for exterior wall ceramic tiles

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100824930B1 (en) * 2006-12-26 2008-04-28 재단법인 포항산업과학연구원 A composition for refractory board
CN105645877A (en) * 2016-01-13 2016-06-08 王湖彬 High-strength energy-saving thermal-insulation brick and preparation method thereof
CN105503154A (en) * 2016-01-26 2016-04-20 重庆市合川区狮滩矸砖厂 Coal gangue bricks for bearing structure wall and production method thereof
CN106365561A (en) * 2016-08-31 2017-02-01 郭舒洋 Preparation method of weather-resistance tile adhesion agent for exterior wall ceramic tiles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
梁治齐: "《实用清洗技术手册》", 31 January 2000, 化学工业出版社 *

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