CN103274626A - Red mud flame retardant foaming agent - Google Patents
Red mud flame retardant foaming agent Download PDFInfo
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- CN103274626A CN103274626A CN2013101982440A CN201310198244A CN103274626A CN 103274626 A CN103274626 A CN 103274626A CN 2013101982440 A CN2013101982440 A CN 2013101982440A CN 201310198244 A CN201310198244 A CN 201310198244A CN 103274626 A CN103274626 A CN 103274626A
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- Prior art keywords
- red mud
- flame
- mud
- attapulgite clay
- foaming agent
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 37
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000004088 foaming agent Substances 0.000 title abstract description 8
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 39
- 229960000892 attapulgite Drugs 0.000 claims abstract description 38
- 239000004927 clay Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 9
- 239000011734 sodium Substances 0.000 claims abstract description 9
- -1 sodium bicarbonate, sodium alkyl benzene Chemical class 0.000 claims abstract description 9
- 229940077388 benzenesulfonate Drugs 0.000 claims abstract description 8
- 239000004114 Ammonium polyphosphate Substances 0.000 claims abstract description 7
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims abstract description 7
- 229920001276 ammonium polyphosphate Polymers 0.000 claims abstract description 7
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims abstract description 6
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims abstract description 6
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 13
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 10
- 230000020477 pH reduction Effects 0.000 claims description 9
- 239000001117 sulphuric acid Substances 0.000 claims description 9
- 235000011149 sulphuric acid Nutrition 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 5
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 5
- 239000001488 sodium phosphate Substances 0.000 claims description 5
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 5
- 229910000406 trisodium phosphate Inorganic materials 0.000 claims description 5
- 235000019801 trisodium phosphate Nutrition 0.000 claims description 5
- 238000009775 high-speed stirring Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 2
- 230000001629 suppression Effects 0.000 abstract 3
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 abstract 1
- 229940048086 sodium pyrophosphate Drugs 0.000 abstract 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 abstract 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 abstract 1
- 239000006260 foam Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 238000005187 foaming Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 235000017550 sodium carbonate Nutrition 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Abstract
The invention discloses a red mud flame retardant foaming agent. According to the technical scheme, the red mud flame retardant foaming agent is characterized in that the red mud flame retardant foaming agent consists of acidized red mud, high-viscosity attapulgite clay powder, sodium bicarbonate, sodium alkyl benzene sulfonate, sodium polyacrylate, sodium pyrophosphate, ammonium polyphosphate and zinc borate. The raw materials are stirred, grinded and packaged to obtain a finished product of the red mud flame retardant foaming agent. After water is added into the red mud flame retardant foaming agent, the mixture is stirred at a high speed, and then a large amount of gas is released and porous foamed mud is formed; the foamed mud is sprayed via a high pressure gun for direct fire suppression, and then a foamed mud film is formed after the foamed mud stably covers on the surface of a combustible material; and the foamed mud film can rapidly isolate the contact between the combustible material and the air and then stops the combustible material from continuously burning, so that the purposes of flame retardance and fire suppression are achieved. The red mud flame retardant foaming agent is suitable for producing flame retardance and fire suppression products, light boards, light walls and sound attenuation and noise reduction products.
Description
Technical field
The present invention relates to whipping agent, be specifically related to flame-retardant expanded dose of a kind of red mud.
Background technology
City noise is having a strong impact on city resident's orthobiosis and health of human body, city noise mainly refers to traffic noise, factory noise, construction noise pollution and noise of social activities, its The noise scope and influence degree are serious day by day, to the influence of civic living environment greatly, become one of noticeable city environmental pollution problem.
The control noise is taked measures such as damping, sound insulation, sound absorption, sourdine, personal protection and architectural composition usually, weaken as far as possible or reduce the vibration of sound source, acoustic energy absorption in propagating is fallen, place obstacles and make that sound is all or part of to reflect away, weaken the effect of noise, to reach the purpose of control noise.
Usually adopt quieter material to produce products such as some acoustical panels, sound insulation Wall, sound-absorbing net and sound damper and control sound pollution, it is after handling by foaming, to improve the performance of the said products that some materials are also arranged.
The kind of whipping agent is more, and for the control sound pollution has been made bigger contribution, but the said products can only be used for the control sound pollution, does not have fire-retardant effect and the function that purifies air.
Summary of the invention
The objective of the invention is to overcome weak point in the prior art, flame-retardant expanded dose of a kind of red mud is provided.
Red mud glues attapulgite clay powder, sodium bicarbonate, sodium alkyl benzene sulfonate, sodium polyacrylate, trisodium phosphate, ammonium polyphosphate and zinc borate by the red mud after the acidifying, height for flame-retardant expanded dose and forms.
The production method that red mud is flame-retardant expanded dose: will stir in flame-retardant expanded dose of batching input of the red mud stirrer, carry out abrasive dust in the back input grinding machine that stirs, be packaged as the finished product of flame-retardant expanded dose of red mud.
The contaminative waste residue of discharging when red mud is Aluminium industry extraction aluminum oxide, 1 ton of aluminum oxide of the every production of average, 1.0～2.0 tons of red muds of subsidiary generation.The pH value of red mud is 10～12, and China is as the world the 4th big alumina producing state, and the red mud of annual discharging is up to millions of tons.A large amount of red muds can not fully effectively utilize, can only rely on large-area stockyard to stack, a large amount of soils have been taken, the generation of red mud causes many-sided direct and indirect influence to Human's production, life, so reduce output and the harm of red mud to greatest extent, realization by all kinds of means, the resource utilization of quantity is extremely urgent greatly.
After the acidified processing of red mud, red mud pH value is controlled 5.5～8.0, can improve the utilization ratio of red mud, turns waste into wealth.
Attapulgite has another name called polygorskite or Palygorskite, be a kind of layer of chain-like structure contain Shuifu County's zeopan clay mineral, attapulgite has unique layer chain-like structure feature, in its structure, there is the lattice displacement, so contain Na+, Ca2+, Fe3+, the Al3+ of non-quantitative in the crystal, crystal is needle-like, fibrous or fiber collection shape.Attapulgite has unique dispersion, high temperature resistant, anti-good colloidal property such as saline and alkaline and higher adsorptive power, and has certain plasticity-and cohesive force.
The sticking attapulgite clay of described height is the attapulgite clay that adopts the complete processing production that improves viscosity of attapulgite clay, attapulgite clay soil property exquisiteness, oily soapy is arranged, light weight, property are crisp, fracture is conchoidal or irregular shape, and water-absorbent is strong, tool viscosity and plasticity-when wet, its viscosity can reach more than the 3000mPas, is conducive to the bonding between the raw material.
High sticking attapulgite clay powder refers to get 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add 372g water again, the suspension cup is placed on the homogenizer, under 11000 rev/mins rotating speed, stirred 20 minutes, to pour in the beaker of 250ml the viscosity of using NDJ-1 type rotational viscosimeter to test its suspension, tested viscosity value 〉=2200 again through the high-speed stirring sample suspension into
MPasThe attapulgite clay powder, the height that the present invention selects for use glues attapulgite clay powder particles fineness≤0.074 millimeter.
Sodium bicarbonate white powder or oblique crystal crystalline powder, odorless, the flavor salty and soluble in water, its aqueous solution begins to split the carbon dioxide off and yellow soda ash in the time of 20 ℃.
Sodium alkyl benzene sulfonate white or pale yellow powder, water-soluble, easily oxidation, foaming power is strong, the detersive power height, easily with various additive compounds, cost is lower, the synthesis technique maturation, Application Areas is extensive, is very outstanding anion surfactant.
Sodium polyacrylate is a kind of new functional macromolecule material, be white or buff powder, be dissolved in cold water, stable to temperature variation, be a kind of tensio-active agent with multiple property, be conducive to improve the thickening, foaming of flame-retardant expanded dose of red mud, stable, emulsification, dispersion, bonding, film forming and effect of water keeping in the present invention.
Trisodium phosphate is a kind of water white transparency crystallization or white crystalline powder, and is soluble in water, in the present invention as dispersion agent and emulsifying agent.
Ammonium polyphosphate is white crystals or amorphous fine powder, and is nonpoisonous and tasteless, do not produce etchant gas, thermostability and chemical stability height, relative density is little, and good dispersity has non-volatility in the application process, do not produce corrosive gases, advantages such as effect is lasting, and safety performance is good are a kind of non-halogen fire retardants of excellent property, ammonium polyphosphate also has the expandable flame retardant function, more is conducive to eliminate smoke, fall cigarette and anti-drippage.
Zinc borate white or pale yellow powder, water insoluble, Heat stability is good easily disperses, and toxicity is low, can effectively improve flame retardant properties, the generation of smog when reducing burning.
The present invention is achieved by following technical proposals:
1, flame-retardant expanded dose of batching of red mud is made up of following component by weight percentage: the red mud 25～75% after the acidifying, high sticking attapulgite clay powder 5～15%, sodium bicarbonate 1～35%, sodium alkyl benzene sulfonate 1～25%, sodium polyacrylate 0.01～5%, trisodium phosphate 0.01～5%, ammonium polyphosphate 0.01～5% and zinc borate 0.01～5%.
The production method that described red mud is flame-retardant expanded dose: will red mud stir in flame-retardant expanded dose of batching input stirrer, and carry out abrasive dust in the back input grinding machine that stirs, particle fineness≤0.074 millimeter is packaged as the finished product of flame-retardant expanded dose of red mud.
Red mud production method after the described acidifying is: the 1. preparation of dilute sulphuric acid, formed by following component by weight percentage: the sulfuric acid 5～35% of concentration 98 ﹪, water 65～95%; 2. the batching of acidification comprises following component by weight percentage: red mud 55～85%, attapulgite clay 2～15% and dilute sulphuric acid 10～35%, with stirring to the red mud mixture in red mud and the attapulgite clay input stirrer, dilute sulphuric acid is slowly added carry out acidification in the red mud mixture more earlier; 3. extruding: with the red mud mixture of acidification, be the red mud flap by twin rollers extruding, the thickness of flap≤3 millimeter; 4. roasting: the flap of red mud is transported in the revolution stoving oven and carries out roasting, and roasting time is 1～3 hour, and maturing temperature is controlled at 320～550 ℃, and the red mud flap after the roasting is the red mud after the acidifying, red mud water content≤5% after the acidifying.
The sticking attapulgite clay of described height is the attapulgite clay that adopts the complete processing production that improves viscosity of attapulgite clay, it is characterized in that, and from the attapulgite clay of mining area exploitation, need be through 30～120 days natural weathering; Modification processing method is: calculate by weight percentage, take from the attapulgite clay 94～98% after the right weathering, evenly add 2～6% yellow soda ash, import jointly in the fermentation vat, add clear water and soak ageing, soak time is 72～120 hours; Get the attapulgite clay after the immersion, stir in the input stirrer, and the attapulgite clay after will stirring, be extruded into thin slice through extrusion machine, its gauge control is at 0.5～2 millimeter, with the attapulgite clay thin slice, carry out airing, the attapulgite clay thin slice after the airing, its water content≤15%; Batching is calculated by weight percentage: the attapulgite clay 94～98% after the airing, High hydrophilous resin 0.5～5% and Mierocrystalline cellulose 0.5～3%, above-mentioned batching is stirred, and carry out abrasive dust in the back input grinding machine that stirs, particle fineness≤0.074 millimeter.
Above-mentioned production technique is to adopt " improving the complete processing of viscosity of attapulgite clay " in application on June 20th, 2005 by the inventor, and the Chinese patent Granted publication number is: CN 1317067C, Granted publication day: on May 23rd, 2007.
Described water content is weight percentage.
Add attapulgite clay in the red mud acidization and be conducive to that red mud is evenly solidified the back extruding and be flap, it is as a whole that attapulgite clay wraps up red mud, improves the recycling rate of red mud, reduces the pollution to environment.
After flame-retardant expanded dose of red mud added the water high-speed stirring, discharge a large amount of gas fast, form cavernous foam mud, foam mud sprays by water blast gun, be directly used in fire extinguishing, the stable top layer that covers combustible matl of foam mud forms a kind of foam mud film, and the foam mud film can completely cut off contacting of combustible matl and air rapidly, stop combustible matl to burn away, reach purpose fire-retardant and fire extinguishing.
Also flame-retardant expanded dose of red mud can be added in the medium; mix with water the back through stirring; can reduce surface tension of liquid and discharge a large amount of gas; in medium, produce a large amount of even and stable foams; be used for the multiple foam materials of cast, layering can not occur in the casting process, demould time is shorter; gas contains a certain amount of oxygen, is conducive to protect the air ambient of working-yard.
Flame-retardant expanded dose of suitable medium of red mud has materials such as various cement, flyash and nonmetalliferous ore composition.
When using sodium alkyl benzene sulfonate merely, the generation foam is very fast, but what break and disappear is also fast, cause the less stable of foam, formed a kind of compound foaming agent behind red mud and other batching and the sodium alkyl benzene sulfonate compatibility among the present invention, have that foaming power is strong, foam expansion is high, unit volume produces that the bubble amount is big, foam adventitia good toughness is difficult for brokenly, froth stability is good, can be for a long time not froth breaking, foam exquisiteness, advantage such as the hole size that generates in medium is even, bleeding quantity is low and the consistency of working medium is good.
Obtain the sodium processing behind red mud and the sodium bicarbonate compatibility in the present invention, be conducive to improve the dispersion effect of red mud.
Use the product of flame-retardant expanded dose of production of red mud, effective flame-retarding fire-extinguishing not only, the function of controlling sound pollution in addition, be incubated and purify air, these products are used for facilities such as motorway, viaduct, urban light rail, subway, factory, warehouse, public place.
Red mud is applicable to for flame-retardant expanded dose produces flame-retarding fire-extinguishing, light weight board, lightweight body of wall and sound-deadening and noise-reducing product.
Embodiment
The invention will be further described below in conjunction with embodiment:
1, flame-retardant expanded dose of batching of red mud is made up of following component by weight percentage: the red mud 52% after the acidifying, high sticking attapulgite clay powder 8%, sodium bicarbonate 28%, sodium alkyl benzene sulfonate 10.2%, sodium polyacrylate 0.7%, trisodium phosphate 0.5%, ammonium polyphosphate 0.3% and zinc borate 0.3%.
The production method that described red mud is flame-retardant expanded dose: will red mud stir in flame-retardant expanded dose of batching input stirrer, and carry out abrasive dust in the back input grinding machine that stirs, particle fineness≤0.074 millimeter is packaged as the finished product of flame-retardant expanded dose of red mud.
Red mud production method after the described acidifying is: the 1. preparation of dilute sulphuric acid, formed by following component by weight percentage: the sulfuric acid 16% of concentration 98 ﹪, water 84%; 2. the batching of acidification comprises following component by weight percentage: red mud 68%, attapulgite clay 8% and dilute sulphuric acid 24%, with stirring to the red mud mixture in red mud and the attapulgite clay input stirrer, dilute sulphuric acid is slowly added carry out acidification in the red mud mixture more earlier; 3. extruding: with the red mud mixture of acidification, be the red mud flap by twin rollers extruding, the thickness of flap≤3 millimeter; 4. roasting: the flap of red mud is transported in the revolution stoving oven and carries out roasting, and roasting time is 2 hours, and maturing temperature is controlled at 450～550 ℃, and the red mud flap after the roasting is the red mud after the acidifying, red mud water content≤3% after the acidifying.
Claims (1)
1. a red mud is flame-retardant expanded dose, it is characterized in that flame-retardant expanded dose of batching of red mud is made up of following component by weight percentage: the red mud 25～75% after the acidifying, high sticking attapulgite clay powder 5～15%, sodium bicarbonate 1～35%, sodium alkyl benzene sulfonate 1～25%, sodium polyacrylate 0.01～5%, trisodium phosphate 0.01～5%, ammonium polyphosphate 0.01～5% and zinc borate 0.01～5%;
The production method that described red mud is flame-retardant expanded dose: will red mud stir in flame-retardant expanded dose of batching input stirrer, and carry out abrasive dust in the back input grinding machine that stirs, particle fineness≤0.074 millimeter is packaged as the finished product of flame-retardant expanded dose of red mud;
Red mud production method after the described acidifying: the 1. preparation of dilute sulphuric acid, formed by following component by weight percentage: the sulfuric acid 5～35% of concentration 98 ﹪, water 65～95%; 2. the batching of acidification comprises following component by weight percentage: red mud 55～85%, attapulgite clay 2～15% and dilute sulphuric acid 10～35%, with stirring to the red mud mixture in red mud and the attapulgite clay input stirrer, dilute sulphuric acid is slowly added carry out acidification in the red mud mixture more earlier; 3. extruding: with the red mud mixture of acidification, be the red mud flap by twin rollers extruding, the thickness of flap≤3 millimeter; 4. roasting: the flap of red mud is transported in the revolution stoving oven and carries out roasting, and roasting time is 1～3 hour, and maturing temperature is controlled at 320～550 ℃, and the red mud flap after the roasting is the red mud after the acidifying, red mud water content≤5% after the acidifying;
High sticking attapulgite clay powder refers to get 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add 372g water again, the suspension cup is placed on the homogenizer, under 11000 rev/mins rotating speed, stirred 20 minutes, to pour in the beaker of 250ml the viscosity of using NDJ-1 type rotational viscosimeter to test its suspension, tested viscosity value 〉=2200 again through the high-speed stirring sample suspension into
MPasThe attapulgite clay powder.
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| CN201310198244.0A CN103274626B (en) | 2013-05-27 | 2013-05-27 | Red mud flame retardant foaming agent |
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| CN201310198244.0A CN103274626B (en) | 2013-05-27 | 2013-05-27 | Red mud flame retardant foaming agent |
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| CN103274626B CN103274626B (en) | 2014-11-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104056393A (en) * | 2014-06-22 | 2014-09-24 | 许盛英 | Red mud mesh gel foam mud fire prevention and extinguishing agent |
| ES2837489A1 (en) * | 2019-12-31 | 2021-06-30 | Primalchit Solutions S L | MIXTURE OF NON-POLYMERIC ORGANIC COMPONENTS WITH FLAME RETARDING CAPACITY, METHOD OF PREPARATION AND USE (Machine-translation by Google Translate, not legally binding) |
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| JPH0474748A (en) * | 1990-07-10 | 1992-03-10 | Kao Corp | Admixture for cement |
| US20040028956A1 (en) * | 2002-08-07 | 2004-02-12 | Arpad Savoly | Dispersant and foaming agent combination |
| CN101037312A (en) * | 2006-03-16 | 2007-09-19 | 上海华联建筑外加剂厂有限公司 | Middle-effective pumping aid |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0474748A (en) * | 1990-07-10 | 1992-03-10 | Kao Corp | Admixture for cement |
| US20040028956A1 (en) * | 2002-08-07 | 2004-02-12 | Arpad Savoly | Dispersant and foaming agent combination |
| CN101037312A (en) * | 2006-03-16 | 2007-09-19 | 上海华联建筑外加剂厂有限公司 | Middle-effective pumping aid |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104056393A (en) * | 2014-06-22 | 2014-09-24 | 许盛英 | Red mud mesh gel foam mud fire prevention and extinguishing agent |
| ES2837489A1 (en) * | 2019-12-31 | 2021-06-30 | Primalchit Solutions S L | MIXTURE OF NON-POLYMERIC ORGANIC COMPONENTS WITH FLAME RETARDING CAPACITY, METHOD OF PREPARATION AND USE (Machine-translation by Google Translate, not legally binding) |
| WO2021136859A1 (en) * | 2019-12-31 | 2021-07-08 | Primalchit Solutions, S.L. | Mixture of non-polymer organic components with fire retardancy, preparation method and use |
| CN115066277A (en) * | 2019-12-31 | 2022-09-16 | 普里马利奇解决方案公司 | Mixtures of non-polymeric organic components with flame retardancy, methods of preparation and uses |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103274626B (en) | 2014-11-05 |
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Application publication date: 20130904 Assignee: Yangzhou Guansheng Trading Co.,Ltd. Assignor: CHAMPION CHEMICALS (YANGZHOU) CO.,LTD. Contract record no.: X2022980015379 Denomination of invention: Red mud flame retardant foaming agent Granted publication date: 20141105 License type: Common License Record date: 20220921 |
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