CN102503338A - Technique method for producing dry building mortar through industrial solid waste - Google Patents
Technique method for producing dry building mortar through industrial solid waste Download PDFInfo
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- CN102503338A CN102503338A CN2011103515580A CN201110351558A CN102503338A CN 102503338 A CN102503338 A CN 102503338A CN 2011103515580 A CN2011103515580 A CN 2011103515580A CN 201110351558 A CN201110351558 A CN 201110351558A CN 102503338 A CN102503338 A CN 102503338A
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Abstract
The invention discloses a technique method for producing dry building mortar through industrial solid waste, the dry building mortar is prepared by blending a gel forming agent, waste molding sand and an organic high molecular material according to a particular proportion; the gel forming agent is composed of an active agent, desulfurized gypsum, cement clinker and slag; the active agent is composed of alumina-containing waste residue, lime residue and alkali metal sulfate waste residue; the slag is blast furnace granulating slag or mixture of blast furnace granulating slag and fly ash; the desulfurized gypsum is flue gas desulfurized gypsum; the waste molding sand is foundry sand waste; and the organic high molecular material is dispersible emulsion powder. The technique method of the invention has the advantages of fully utilizing the industrial solid waste to recycle the waste materials, not only guaranteeing the quality of dry building mortar and reducing the production cost of the dry building mortar, but also consuming no fuel to save the energy source and the industrial raw materials, generating no environmental pollution, and consuming a large amount of solid wastes to greatly contribute to environment improvement, so that the invention provides a novel environmental friendly dry building mortar.
Description
Technical field
The present invention relates to material of construction, relate in particular to the process method of producing dry mortar for construction with industrial solid slag.
Background technology
Dry mortar for construction is also claimed premix (doing) mortar, and it is the mortar work in-process of processing through accurate feed proportioning and uniform mixing in factory, only need add water to the working-yard and stir and can use.The production of dry-mixed mortar and application are new technology revolutions of construction industry and building materials industry, are main directions of following material development.
Mortar is all kinds of buildings and constructs and use material very widely in the engineering, with effects such as its thin layer performance bonding, decoration, protection and liners.With the attachment function is that main mortar mainly contains masonry mortar, wall floor tile sticking mortar, jointing mortar, anchorage mortar etc.; Repairing effect with decoration is that master's mortar mainly contains various plastering mortars, inner and external wall putty, polychromy mortar etc.; To play protective effect is waterproof mortar, various anti-corrosion mortar, ground self-leveling mortar, anti-wear mortar, adiabatic heat-insulation mortar, sound absorption mortar, repairing mortar, mildew-resistant mortar are arranged, shielding mortar etc. of master.
The tradition mortar system of mixing is at the construction field (site) used, and need take certain place, and dust can cause certain environmental pollution to the place; Material air storage simultaneously causes impurity more on the soil, and silt content is big; Batching metering is inaccurate; The difficult control of workability, the orthopaedics screening is random big, cause that the mortar voids rate is higher, contract with dry rate big, impervious poor, finally cause plastering of exterior wall problems generations such as hollowing, crack and infiltration to occur.Comparatively speaking, all batchings of dry-mixed mortar add the water stirring to building-site according to the wc of confirming and get final product after production plant is according to accurate metering, thorough mixing evenly.It has overcome that batching metering is inaccurate, contaminate environment, contain cement amount great number of issues such as exceed standard.Can improve and optimize product performance through the different chemical admixture of admixture simultaneously.As: strong plasticity, acceleration and postponement is solidified, denseness, solubleness, lathering property, oilness, intensity, corrosion-resistant, colour-fast, stopping property, cracking resistance impermeability etc., can satisfy the requirement of novel wall material basically.
At present dry mortar for construction is mainly with the cement mixture that to be main agglutinate mix with fine aggregate, mineral admixture, reinforcement material and the admixture of dry screened processing by a certain percentage.It all is industrial raw materials that the production dry mortar for construction adopts, and cost is higher, and the digestion of solid industrial residue is not played effect.
Summary of the invention
To producing the existing problem of dry mortar for construction in the above-mentioned prior art; The invention provides the method that the industrial solid slag of a kind of usefulness is produced dry mortar for construction; Both can practice thrift industrial raw material, reduce material cost, can solve of the harm of solid industrial residue again environment.
The technical scheme that the technical problem that the present invention will solve is taked is: said process method with solid industrial residue production dry mortar for construction is: said dry mortar for construction is made up of jelling agent, useless molding sand and organic polymer material; Said jelling agent is made up of promoting agent, desulfurated plaster, cement clinker and slag; Said promoting agent is made up of salic waste residue, lime mud and alkali metal sulfates waste residue; Said slag is blast furnace granulated slag or blast furnace granulated slag and mixture of fly ash; Said desulfurated plaster is a desulfurized gesso of flue gas; Said useless molding sand is that foundry sand waste, said organic polymer material are polymer dispersion powder, and is prepared from by following process method:
(1) earlier with the lime mud of the alkali metal sulfates of the salic waste residue of 1-50%wt, 1-50%wt and 2-90%wt respectively crushing and screening become granularity less than 5mm, again it is mixed and made into promoting agent,
(2) with blast furnace granulated slag or weight ratio be 80～99 ︰ 1～20 blast furnace granulated slag and flyash respectively crushing and screening process slag after mixing,
(3) be that the promoting agent, desulfurated plaster, cement clinker, slag of 4 ︰, 4 ﹕, 8 ~ 30 ﹕ 84 ~ 62 adds ball mill and grind with weight ratio again, make its surface-area reach 420 ~ 500 ㎡/g.Process jelling agent,
(4) the broken oven dry screening of molding sand of will giving up again is the aggregates of 20 ~ 100 orders as dry mortar for construction,
(5) getting weight ratio again is 30 ~ 60:38 ~ 68:1 ~ 3, and the jelling agent of 50:10:2, useless molding sand, macromolecular material carry out thorough mixing and process dry mortar for construction.
The preferred calcination aluminium of said salic waste residue vanadine waste residue powder, aluminum oxide waste residue powder.
Said alkali metal sulfates waste residue is meant SODIUM SULPHATE ANHYDROUS 99PCT waste residue, anhydrous potassium sulfate waste residue.
Said blast furnace granulated slag can be used as the fine cement raw material owing to have potential hydraulic gelling property; Said flyash is to receive the thin ash of catching the flue gas behind coal combustion, and flyash is one of bigger industrial residue of the current discharge capacity of China, along with development of electric power industry; The flyash quantity discharged of coal-burning power plant increases year by year; A large amount of flyash does not add processing, will produce airborne dust, atmosphere pollution; If entering water system can cause the river to silt up, and toxic chemical substance wherein also can work the mischief to human body and biology; The bauxitic clay waste residue preferably calcined by said salic waste residue and aluminum oxide is abolished slag; The calcining bauxitic clay is mainly used in the High Alumina Porcelain high-abrasive material; Industrial ceramics etc. than higher, have strict restriction to influencing the whiteness iron level to the aluminium sesquioxide content requirement; Often aluminium sesquioxide content in calcining back is low just discarded with the high bauxitic clay of iron content, the serious waste calcinating fuel with influence environment; The present invention is preferably generating product processes such as chemical fibre such as viscose fiber or formic acid, a large amount of industrial residue sodium sulfate of generation.This waste residue is on the low side or contain some impurity odorous because of purity, influence its again other field use direct landfill or stack and influence environment often.
Described desulfurated plaster is to produce the solid slag that contains the gypsum composition after the coal-fired plant flue gas desulfurization.Coal-fired plant flue gas SO2 is serious to topsoil, destroys ecotope and harmful to human respiratory system and cardiovascular health, the increasing cancer morbidity, even influence Human genome and cause genetic diseases, this is on record.The industriallization comparative maturity that flue gas desulfurization is adopted is a desulfurization method of limestone-gypsum technology with being widely used, and cause the desulfurated plaster of secondary pollution to stack decomposition in a large number weather, soil, plant and human health is brought harm.If limestone-gypsum method continues as the leading technology of following flue gas desulfurization, desulfurated plaster leaves a legacy of trouble will become the another big source of pollution behind sulfurous gas, oxynitride.
Said useless molding sand is not remake the molding sand that molding sand uses after the casting, and common sodium silicate sand contains water glass, causes soil alkalescence, can cause grass to be burnt to death, and fish does not grow, because a large amount of discarded contaminate environment.
Bare bones of the present invention utilizes the Na2SO4 (K2SO4) of alkali metal sulfates waste residue and CaO to contain NaOH (KOH) and CaSO4 promoting agent in thing hydration process generation chemical reaction generation of the present invention; NaOH and CaSO4 can excite blast furnace granulated slag or flyash to have potential hydraulic gelling property; The calcining bauxitic clay contains a large amount of activated aluminas; Generate calcium aluminate with Ca (OH) 2 reactions; The early stage resistance to compression of the said gellant material of raising thing of the present invention and anti-folding wait physical strength rapidly, and desulfurated plaster contains CaSO4 equally, also can excite blast furnace granulated slag or flyash to have the time of coagulation that potential hydraulic gelling property can and be adjusted gellant material.Replace cement to be used for dry mortar for construction.
Another main points of the present invention be in producing the dry mortar for construction process with the useless molding sand of casting replace common building with sand as the dry mortar for construction aggregate.
The present invention makes full use of the solid industrial residue, turns waste into wealth, and can not only guarantee the quality of dry mortar for construction; Reduce the dry mortar for construction production cost, and do not need consume fuel, practiced thrift the energy; Not only do not pollute the environment; And digest a lot of solid slags, and environmental improvement there is very large effect, be a kind of novel environment-friendly type building dry mortar.
The relevant portion chemical equation is following:
HCOONa+H2SO4=HCOOH+Na2SO4
Na2SO4+Ca(OH)2=2NaOH+?CaSO4。
Embodiment
Embodiment one:
The first step: will calcine bauxitic clay waste residue, lime mud, SODIUM SULPHATE ANHYDROUS 99PCT waste residue crushing and screening, and require particle diameter less than 5mm.Get calcining bauxitic clay waste residue powder 1kg, contain SODIUM SULPHATE ANHYDROUS 99PCT waste residue 1kg, lime mud 2kg mixes, and is mixed with promoting agent,
Second step: get 10.0kg exsiccant blast furnace granulated slag and process slag,
The 3rd step: get the promoting agent 0.2kg that the first step is processed; Desulfurated plaster 0.2kg; The slag 4.1kg adding test ball mill that the cement clinker 0.5kg and second step process grinds, and makes its surface-area reach 420 ~ 500 ㎡/g and fully all turns to 32.5 grades and build jelling agents.
Extract the jelling agent experiment test that present embodiment 1 is produced: survey its each item performance index by 32.5 grades of Portland blast each item physicals standards:
Get above-mentioned building jelling agent of processing of 3.6kg and 10.8kg standard sand?, 1.8kg water makes two groups of 12 standard concrete test blocks.
Carry out fineness, SO3 content, MgO content, loss on ignition, presetting period, final setting time mensuration, divide two groups of each item The performance test results of carrying out 3 days, 28 days following two groups of 12 standard concrete test blocks:
Table 1 (national standard is slag 32.5 cement national standards)
The 4th step was got useless molding sand oven dry, screening, and processing the useless molding sand of 20 ~ 50 orders and 50 ~ 100 orders is that aggregate is subsequent use,
The 5th step got jelling agent 50kg, the 4th 20 ~ 50 order aggregate 38kg and 50 ~ 100 order aggregate 10kg, the polymer dispersion powder 2kg thorough mixing processed of step that the 3rd step processed and evenly processes dry mortar for construction.Purposes such as this dry mortar for construction can be used for that metope is wiped one's face, paving ceramic tile, ground are put down.
The 6th step got dry mortar and detects according to respective standard, and test data is following:
| Index | 28 days cohesive strengths | 28 days shrinking percentages | 28 days ultimate compression strength |
| ? | 0.6MPa | 0.2% | 10MPa |
Embodiment two:
The first step:, require particle diameter less than 5mm with aluminum oxide waste residue, lime mud, anhydrous potassium sulfate waste residue crushing and screening.Get aluminum oxide waste residue powder 15kg, anhydrous potassium sulfate waste residue 20kg, lime mud 40kg and mix, be mixed with promoting agent,
Second step: get by weight being the blast furnace granulated slag of 85 : 10 and slag 10 kg that the flyash crushing and screening is mixed and made into,
The 3rd step: get the promoting agent 1kg that the first step is processed, desulfurated plaster 1kg, the slag 17kg adding test ball mill that the cement clinker 5kg and second step process grinds, and makes its surface-area reach 420 ~ 500 ㎡/g and fully all turns to 32.5 grades and build jelling agents.
Extract the jelling agent experiment test that present embodiment 1 is produced: survey its each item performance index by 32.5 grades of Portland blast each item physicals standards:
Get above-mentioned building jelling agent of processing of 3.6kg and 10.8kg standard sand?, 1.8kg water makes two groups of 12 standard concrete test blocks.
Carry out fineness, SO3 content, MgO content, loss on ignition, presetting period, final setting time mensuration, divide two groups of each item The performance test results of carrying out 3 days, 28 days following two groups of 12 standard concrete test blocks:
Table 2 (national standard is slag 42.5 cement national standards)
The 4th step was got useless molding sand oven dry, screening, and processing the useless molding sand of 20 ~ 50 orders and 50 ~ 100 orders is that aggregate is subsequent use,
The 5th step got jelling agent 40kg, the 4th 20 ~ 50 order aggregate 30kg and 50 ~ 100 order aggregate 20kg, the polymer dispersion powder 1kg thorough mixing processed of step that the 3rd step processed and evenly processes dry mortar for construction.Purposes such as this dry mortar for construction can be used for that metope is wiped one's face, paving ceramic tile, ground are put down.
The 6th step got dry mortar and detects according to respective standard, and test data is following:
| Index | 28 days cohesive strengths | 28 days shrinking percentages | 28 days ultimate compression strength |
| ? | 0.6MPa | 0.2% | 10MPa |
Preparation promoting agent alkali metal sulfates waste residue according to the invention also can be partly or whole industrial raw material such as Tai-Ace S 150, potassium aluminium sulfate, aluminium sodium sulfate, sodium sulfate, vitriolate of tartar; Said lime mud also can be part or industrial raw material such as whole quicklime, calcium hydroxide.
Claims (4)
1. process method of producing dry mortar for construction with industrial solid slag; It is characterized in that: said dry mortar for construction is made up of jelling agent, useless molding sand and organic polymer material; Said jelling agent is made up of promoting agent, desulfurated plaster, cement clinker and slag, and said promoting agent is made up of salic waste residue, lime mud and alkali metal sulfates waste residue, and said slag is blast furnace granulated slag or blast furnace granulated slag and mixture of fly ash; Said desulfurated plaster is a desulfurized gesso of flue gas; Said useless molding sand is the foundry sand waste, and said organic polymer material is a polymer dispersion powder, and step is prepared from as follows:
(1) earlier with the lime mud of the alkali metal sulfates of the salic waste residue of 1-50%wt, 1-50%wt and 2-90%wt respectively crushing and screening become granularity less than 5mm, again it is mixed and made into promoting agent,
(2) with blast furnace granulated slag or weight ratio be 80～99 ︰ 1～20 blast furnace granulated slag and flyash respectively crushing and screening be mixed into slag,
(3) be that the promoting agent, desulfurated plaster, cement clinker, slag of 4 ﹕, 4 ﹕, 8 ~ 30 ﹕ 84 ~ 62 adds ball mill and grind with weight ratio again, make its surface-area reach 420 ~ 500 ㎡/g, process jelling agent,
(4) the broken oven dry screening of molding sand of will giving up again is the aggregates of 20 ~ 100 orders as dry mortar for construction,
(5) getting jelling agent that weight ratio is 30～60:38～68:1～3, useless molding sand, macromolecular material again carries out thorough mixing and processes dry mortar for construction.
2. the process method that the industrial solid slag of a kind of usefulness according to claim 1 is produced dry mortar for construction, it is characterized in that: said salic waste residue is calcination aluminium vanadine waste residue or aluminum oxide waste residue.
3. the process method that the industrial solid slag of a kind of usefulness according to claim 1 is produced dry mortar for construction, it is characterized in that: said alkali metal sulfates waste residue is SODIUM SULPHATE ANHYDROUS 99PCT waste residue or anhydrous potassium sulfate waste residue.
4. the process method that the industrial solid slag of a kind of usefulness according to claim 1 is produced dry mortar for construction is characterized in that: said desulfurated plaster is to produce the solid slag that contains the gypsum composition after the coal-fired plant flue gas desulfurization.
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| CN107555878A (en) * | 2017-10-01 | 2018-01-09 | 临汾同孚新型建材有限公司 | A kind of mortar |
| CN108252735A (en) * | 2017-12-18 | 2018-07-06 | 固岩科技发展有限公司 | A kind of method of slag gel material consolidated fill metal mine |
| CN108689663A (en) * | 2018-06-22 | 2018-10-23 | 山西平朔煤矸石发电有限责任公司 | A kind of flyash dry-mixed mortar and preparation method thereof |
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| CN109665792A (en) * | 2019-02-28 | 2019-04-23 | 莒县铭通建材有限公司 | A kind of plastering mortar and preparation method thereof |
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| CN110183131A (en) * | 2019-06-03 | 2019-08-30 | 厦门兑泰实业有限公司 | Method for producing plastering mortar and tile adhesive auxiliary agent by using black casting sand |
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| CN107117889A (en) * | 2017-06-26 | 2017-09-01 | 含山县绿源新型材料有限公司 | A kind of cement steam-pressing brisk and its production method |
| CN107555878A (en) * | 2017-10-01 | 2018-01-09 | 临汾同孚新型建材有限公司 | A kind of mortar |
| CN108252735A (en) * | 2017-12-18 | 2018-07-06 | 固岩科技发展有限公司 | A kind of method of slag gel material consolidated fill metal mine |
| CN108689663A (en) * | 2018-06-22 | 2018-10-23 | 山西平朔煤矸石发电有限责任公司 | A kind of flyash dry-mixed mortar and preparation method thereof |
| WO2020005178A3 (en) * | 2018-06-27 | 2020-03-19 | Tuba Bahtli | A production method of clay based ceramic materials opaque glazes and opaque frits using precision casting waste sand |
| CN109265041A (en) * | 2018-10-16 | 2019-01-25 | 上海明氏建材有限公司 | A kind of high activity slag powders and its preparation process |
| CN109665792A (en) * | 2019-02-28 | 2019-04-23 | 莒县铭通建材有限公司 | A kind of plastering mortar and preparation method thereof |
| CN110128067A (en) * | 2019-06-03 | 2019-08-16 | 厦门兑泰实业有限公司 | Method for producing anti-crack mortar by using black casting sand |
| CN110183131A (en) * | 2019-06-03 | 2019-08-30 | 厦门兑泰实业有限公司 | Method for producing plastering mortar and tile adhesive auxiliary agent by using black casting sand |
| CN110183131B (en) * | 2019-06-03 | 2021-07-13 | 厦门兑泰实业有限公司 | Method for producing plastering mortar and tile adhesive auxiliary agent by using black casting sand |
| CN110128067B (en) * | 2019-06-03 | 2021-07-23 | 厦门兑泰环保科技有限公司 | Method for producing anti-crack mortar by using black casting sand |
| CN112209694A (en) * | 2020-10-23 | 2021-01-12 | 西峡县永新能源科技有限公司 | Industrial waste residue regenerated masonry mortar and preparation method thereof |
| CN113716933A (en) * | 2021-08-31 | 2021-11-30 | 安徽理工大学环境友好材料与职业健康研究院(芜湖) | Alkali-activated concrete prepared from waste water glass casting molding sand |
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Application publication date: 20120620 |