CN101648403A - Method for producing air entrapping building block by utilizing ardealite - Google Patents
Method for producing air entrapping building block by utilizing ardealite Download PDFInfo
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- CN101648403A CN101648403A CN200910094937A CN200910094937A CN101648403A CN 101648403 A CN101648403 A CN 101648403A CN 200910094937 A CN200910094937 A CN 200910094937A CN 200910094937 A CN200910094937 A CN 200910094937A CN 101648403 A CN101648403 A CN 101648403A
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- ardealite
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- foaming
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- building block
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- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000004568 cement Substances 0.000 claims abstract description 14
- 238000005187 foaming Methods 0.000 claims abstract description 13
- 239000002893 slag Substances 0.000 claims abstract description 13
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 11
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 9
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 8
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 8
- 239000004411 aluminium Substances 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004571 lime Substances 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 235000019353 potassium silicate Nutrition 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- MPPQGYCZBNURDG-UHFFFAOYSA-N 2-propionyl-6-dimethylaminonaphthalene Chemical compound C1=C(N(C)C)C=CC2=CC(C(=O)CC)=CC=C21 MPPQGYCZBNURDG-UHFFFAOYSA-N 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 3
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical class C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 claims description 3
- 229920005551 calcium lignosulfonate Polymers 0.000 claims description 2
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 claims description 2
- 239000000701 coagulant Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- HIEHAIZHJZLEPQ-UHFFFAOYSA-M sodium;naphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 HIEHAIZHJZLEPQ-UHFFFAOYSA-M 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract 3
- 238000005192 partition Methods 0.000 abstract 1
- 230000000704 physical effect Effects 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 17
- 235000012255 calcium oxide Nutrition 0.000 description 14
- 239000000292 calcium oxide Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 8
- 239000002910 solid waste Substances 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 239000002686 phosphate fertilizer Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 240000007313 Tilia cordata Species 0.000 description 4
- 239000004566 building material Substances 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011398 Portland cement Substances 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000003337 fertilizer Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 240000006909 Tilia x europaea Species 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- HIVLDXAAFGCOFU-UHFFFAOYSA-N ammonium hydrosulfide Chemical compound [NH4+].[SH-] HIVLDXAAFGCOFU-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910001653 ettringite Inorganic materials 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005649 metathesis reaction Methods 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000003516 soil conditioner Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005406 washing Methods 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
- 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
- C04B28/14—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 calcium sulfate cements
- C04B28/142—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 calcium sulfate cements containing synthetic or waste calcium sulfate cements
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a method for producing an air entrapping building block by utilizing ardealite, comprising the following processing steps: mixing materials according to the following mass ratio: 50-70 percent of ardealite, 10-15 percent of cement, 15-25 percent of yellow phosphorus slag and 5-10 percent of lime, then adding water according to 85-100 percent of the mass of the mixture, adding aluminium powder according to 0.04-0.06 percent of the mass of the mixture and adding an auxiliary agent according to 0.5-0.8 percent of the mass of the mixture, and then mixing to prepare a sizingagent; and finally obtaining the air entrapping building block through foaming, standing and steam curing. The air entrapping building block has the advantages of stable physical properties, light weight, good heat-insulation property, high waste use ratio, simple process, low cost, environmental protection, natural resource saving and the like, and can be used as non-load bearing partitions of urban high-rise buildings and as heat-insulation building blocks of low-temperature warehouses, heat-insulation warehouses and cold storage warehouses of industrial equipment.
Description
Technical field
The present invention relates to a kind of method of producing aerated-block, especially a kind of method of utilizing ardealite to produce aerated-block belongs to building materials technology field.
Background technology
Ardealite is the solid waste that is produced in the high concentration phosphate fertilizer production process, according to incompletely statistics, the domestic ardealite of storing up reaches more than 100,000,000 ton at present, the annual ardealite that also will newly produce 3,000 ten thousand tons, remove outside the ardealite nearly 10% of comprehensive utilization, all the other are still based on stacking.Along with the increase of high concentration phosphate fertilizer output, the reduction of rock phosphate in powder raw material grade, the amount of ardealite is with increasing, and the amount that expects national ardealite in 2010 will reach 5,000 ten thousand tons.So a large amount of ardealites can be because of more and more serious problems such as contaminated environment, land occupations, and the sustainable development of restriction phosphatic fertilizer company.
Comprehensive experience aspect the ardealite comprehensive utilization both at home and abroad, materials for wall is the effective way that ardealite utilizes.This be because: the market potential of wall body brick is very big, ardealite can be digested in a large number, the pressure of phosphatic fertilizer company can be alleviated, especially the novel wall material of carrying out energetically in country, walls such as " limit is sticking prohibit in fact " changes under the policy, and ardealite is undoubtedly one of preferred raw materials of building material.
The improvement of ardealite and to utilize problem be a global difficult problem, China is as first ardealite by-product state in the world, and the governing problem of ardealite is particularly urgent.In recent years, China's phosphatic fertilizer company has carried out positive exploration aspect comprehensive utilization of phosphogypsum, accumulated some experiences, has obtained some achievements.Wherein more representational technology has: ardealite co-producing sulfuric acid and cement; Ardealite is produced plaster of Paris; Ardealite production building block and cement retarder; Ardealite, potassium chloride are produced potassium sulfate by metathesis reaction; Ardealite coproduction sulphur ammonium and calcium carbonate; Ardealite is used to build the road; Ardealite is as soil conditioner.These methods have promoted the technological progress of China's ardealite resource, but still can not satisfy ardealite enormous amount, pressing for of demanding urgently handling.Therefore, ardealite is made New Building Materials, can solve the comprehensive utilization of phosphogypsum problem, alleviate the environmental pressure of the multiple fertile enterprise of phosphorus, again can be for building industry provide new building materials kind, significant for the realization of implementing recycling economy and energy-saving and emission-reduction strategic objective.
In sum, to be used for materials for wall preparation mainly be to concentrate on solid or building-block and cement retarder aspect to ardealite.In the production method of aerated-block without ardealite or take a morsel with making improvements the additive of building block physicochemical property.Yet there are no report with ardealite as the production that primary raw material is used for aerated-block.
Summary of the invention
The object of the present invention is to provide a kind of is primary raw material with the ardealite, cement, yellow phosphorus furnace slag, lime are reinforcement material and exciting agent, the production physical and chemical index meets the method for the aerated-block of national non-load bearing wall building block quality requirement, store up the problem of environmental pollution that brings to alleviate ardealite, the smooth implementation for " prohibiting sticking " work provides more substitute products simultaneously.
The present invention finishes by following technical proposal: a kind of method of utilizing ardealite to produce aerated-block is characterized in that through following process steps:
A, by following butt quality than mixed material:
Ardealite 50～70%
Cement 10～15%
Yellow phosphorus furnace slag 15～25%
Lime 5～10%
B, in the compound of above-mentioned A step, add water by 85～100% of compound butt quality, 0.04～0.06% of compound butt quality adds aluminium powder, 0.5～0.8% adding assistant of compound butt quality is mixed and made into slurry;
C, with the slurry of above-mentioned B step under 60～80 ℃, foaming 30～40min;
D, with the foaming slurry of above-mentioned C step with atmospheric steam curing 2～4 hours, green compact, and cut into corresponding size;
E, with the green compact of above-mentioned D step with atmospheric steam curing 24～36 hours, promptly get the aerated-block finished product.
The ardealite of described A step does not need any processing directly to use for the solid waste in the high concentration phosphate fertilizer enterprise employing Wet-process phosphoric acid (WPPA) process; Cement is commercial Portland cement; Yellow phosphorus furnace slag is the solid waste that produces in the electric furnace process phosphorus production process, through grinding cross 325 the sieve and screen over-size less than 5%; Lime adopts active calcium oxide to be not less than 65%, crosses burnt lime less than 2% commercial quick lime product.
The water of described B step is the general industry water, perhaps running water, and perhaps the middle water of Hui Shouing perhaps contains alkali waste water or condensed water; Aluminium powder is commercial product, uses as blowing agent.
The auxiliary agent of described B step by water reducer and set retarder by water reducer: the mass ratio of set retarder=1: 0.6～1.2 is formed; Wherein water reducer is one or both in calcium lignosulfonate, sodium lignin sulfonate, naphthalene sulfonic acids calcium, the sodium naphthalene sulfonate; Coagulant is one or more in waterglass, NaOH, prodan, the aluminum phosphate, strengthens foaming, stable foaming and promotes the effect that green compact are early strong to play.
The present invention compared with prior art has following advantage:
(1) produce construction material with ardealite and compare, the used ardealite of the present invention does not need through any processing, directly uses to get final product, and has reduced preparation semi-hydrated gypsum or anhydrous gypsum and need carry out ardealite washing secondary pollution and expensive problem that removal of impurities brought.
(2) compare with ardealite production building block, the aerated-block unit weight that the present invention produces is light, and the interior wall that is specially adapted to skyscraper cuts off use.
(3) compare with existing common aerated-block, main raw material(s) of the present invention is an ardealite, helps solving ardealite and stores up problems such as the environmental pollution handling and bring, the wasting of resources.
In a word, the present invention produces the actual conditions that the ardealite amount is big, utilization rate is low in conjunction with China high concentration phosphate fertilizer enterprise, the composition structure and the chemical characteristic of various materials have been made full use of, formed the mineral structure based on ettringite, hydrated calcium silicate etc., its properties of product meet light block requirement for building.The building block main raw material(s) is an ardealite, and use amount is big, helps solving ardealite and stores up the problem of environmental pollution of handling and bringing, for the recycling of ardealite has been opened up a new approach that utilizes.
The specific embodiment
Embodiment 1
Prescription is formed (physical measurement unit is mass parts):
Raw material: 50 parts of ardealites, 25 parts of yellow phosphorus furnace slags, 15 parts of cement, 10 parts of quick limes; 85 parts of conventional water for industrial uses; Wherein ardealite does not need any processing directly to use for the solid waste in the high concentration phosphate fertilizer enterprise employing Wet-process phosphoric acid (WPPA) process; Cement is commercial Portland cement; Yellow phosphorus furnace slag is the solid waste that produces in the electric furnace process phosphorus production process;
Lime adopts active calcium oxide to be not less than 65%, crosses burnt lime less than 2% commercial quick lime product; Water is the general industry water;
Auxiliary material: 0.05 part of commercial aluminium powder, 0.8 part of auxiliary agent, wherein the mass ratio of auxiliary agent is: waterglass 30%, aluminum phosphate 10%, NaOH 20%, sodium lignin sulfonate 40%;
Technology:
A, elder generation put into conventional ball mill of the prior art respectively with above-mentioned yellow phosphorus furnace slag, quick lime, the grinding granulating is spent 325 mesh sieves, and screen over-size is less than 5% powder, press 50 parts of ardealites, 25 parts of yellow phosphorus furnace slags, 15 parts of cement, 10 parts of quick limes, 85 parts of conventional water for industrial uses, 0.8 part of auxiliary agent, join in the adjustable conventional whisk of rotating speed of the prior art, slowly stir earlier 3min under 120 rev/mins rotating speed, the fast 2min that stirs under 400 rev/mins rotating speed adds 0.05 part of aluminium powder afterwards again, and behind fast stirring 30s under 400 rev/mins the rotating speed, make slurry;
B, the slurry of above-mentioned A is injected in the mould of 300 * 400 * 600 in the curing box with temperature regulating device of the prior art, in 70 ℃ of foaming 30min;
C, with the foaming slurry of above-mentioned B step with atmospheric steam curing 3 hours, green compact;
D, with the green compact demoulding of above-mentioned C step and cut into required size;
E, the green compact of above-mentioned D step well cutting are put into normal pressure steam box of the prior art,, promptly get the aerated-block product with atmospheric steam curing 24 hours.
The above-mentioned aerated-block product that above-mentioned maintenance is good cuts into 100 * 100 * 100 cube and carries out Performance Detection, and its testing result is as follows: compression strength 3.85Mpa, unit weight 0.72g/m
3, shrinkage value 0.67mm/m, the loss in weight 4.4%, frost resistance loss of strength 18.0%.
Embodiment 2
Prescription is formed (physical measurement unit is mass parts):
Raw material: 70 parts of ardealites, 15 parts of yellow phosphorus furnace slags, 10 parts of cement, 5 parts of quick limes, 90 parts in water.Wherein ardealite does not need any processing directly to use for the solid waste in the high concentration phosphate fertilizer enterprise employing Wet-process phosphoric acid (WPPA) process; Cement is commercial Portland cement; Yellow phosphorus furnace slag is the solid waste that produces in the electric furnace process phosphorus production process; Lime adopts active calcium oxide to be not less than 65%, crosses burnt lime less than 2% commercial quick lime product; Water is the general industry water;
Auxiliary material: 0.06 part of aluminium powder, auxiliary agent are 0.5 part of main material, and wherein auxiliary agent quality prescription is: waterglass 30%, prodan 10%, NaOH 10%, naphthalene sulfonic acids calcium 50%;
Technology:
A, elder generation put into conventional ball mill of the prior art respectively with above-mentioned yellow phosphorus furnace slag, white lime, and it was 325 mesh sieves that grinding becomes granularity, and screen over-size is less than 5% powder.Press 70 parts of ardealites, 15 parts of yellow phosphorus furnace slags, 10 parts of cement, 5 parts of quick limes, 90 parts in water and auxiliary agent join in the adjustable conventional whisk of rotating speed of the prior art for 0.5 part, stir earlier 3min under 120 rev/mins rotating speed slowly, under 400 rev/mins rotating speed, stir 2min sooner, add 0.06 part of aluminium powder afterwards, and behind fast stirring 30s under 400 rev/mins the rotating speed, make slurry;
B, the slurry of above-mentioned A is injected in the mould of 300 * 400 * 600 in the curing box with temperature regulating device of the prior art, in 65 ℃ of foaming 35min;
C, with the foaming slurry of above-mentioned B step with atmospheric steam curing 4 hours, green compact;
D, the green compact of above-mentioned C step are cut into required size;
E, the green compact of above-mentioned D step well cutting are put into conventional steam box of the prior art,, promptly get the aerated-block product with atmospheric steam curing 30 hours.
The building block that maintenance is good cuts into 100 * 100 * 100 cube and carries out Performance Detection, and testing result is as follows: compression strength 2.74Mpa, unit weight 0.65g/m
3, shrinkage value 0.74mm/m, the loss in weight 4.8%, frost resistance loss of strength 21.6%.
Claims (2)
1. method of utilizing ardealite to produce aerated-block is characterized in that through following process steps:
A, by following quality than mixed material:
Ardealite 50～70%
Cement 10～15%
Yellow phosphorus furnace slag 15～25%
Lime 5～10%
B, in the compound of above-mentioned A step, add water by 85～100% of mixture quality, 0.04～0.06% of mixture quality adds aluminium powder, 0.5～0.8% adding assistant of mixture quality is mixed and made into slurry;
C, with the slurry of above-mentioned B step under 60～80 ℃, foaming 30～40min;
D, with the foaming slurry of above-mentioned C step with atmospheric steam curing 2～4 hours, green compact, and cut into corresponding size;
E, with the green compact of above-mentioned D step with atmospheric steam curing 24～36 hours, promptly get the aerated-block finished product.
2, the method for utilizing ardealite to produce aerated-block as claimed in claim 1, the auxiliary agent that it is characterized in that described B step by water reducer and set retarder by water reducer: the mass ratio of set retarder=1: 0.6～1.2 is formed; Wherein water reducer is one or both in calcium lignosulfonate, sodium lignin sulfonate, naphthalene sulfonic acids calcium, the sodium naphthalene sulfonate; Coagulant is one or more in waterglass, NaOH, prodan, the aluminum phosphate, strengthens foaming, stable foaming and promotes the effect that green compact are early strong to play.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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