CN101717195A - Method for producing microcrystalling foam glass with gold tail ore - Google Patents
Method for producing microcrystalling foam glass with gold tail ore Download PDFInfo
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- CN101717195A CN101717195A CN200910218899A CN200910218899A CN101717195A CN 101717195 A CN101717195 A CN 101717195A CN 200910218899 A CN200910218899 A CN 200910218899A CN 200910218899 A CN200910218899 A CN 200910218899A CN 101717195 A CN101717195 A CN 101717195A
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- glass
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- mine tailing
- foam glass
- mixer
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Links
- 239000011494 foam glass Substances 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title abstract description 21
- 239000010931 gold Substances 0.000 title abstract description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title abstract description 8
- 229910052737 gold Inorganic materials 0.000 title abstract description 8
- 239000011521 glass Substances 0.000 claims abstract description 119
- 239000000843 powder Substances 0.000 claims abstract description 114
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 28
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000005187 foaming Methods 0.000 claims abstract description 17
- 239000011734 sodium Substances 0.000 claims abstract description 14
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 13
- 229910021532 Calcite Inorganic materials 0.000 claims abstract description 12
- 238000000498 ball milling Methods 0.000 claims abstract description 12
- 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 claims abstract description 11
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000000137 annealing Methods 0.000 claims abstract description 11
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims abstract description 10
- 239000010436 fluorite Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 235000010344 sodium nitrate Nutrition 0.000 claims abstract description 10
- 239000004317 sodium nitrate Substances 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 24
- 238000009413 insulation Methods 0.000 claims description 19
- 239000006063 cullet Substances 0.000 claims description 15
- 235000017550 sodium carbonate Nutrition 0.000 claims description 12
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 10
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 10
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims description 9
- 229940001516 sodium nitrate Drugs 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 7
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 1
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 abstract 1
- 239000004088 foaming agent Substances 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 abstract 1
- 239000006060 molten glass Substances 0.000 abstract 1
- 235000019837 monoammonium phosphate Nutrition 0.000 abstract 1
- 238000010791 quenching Methods 0.000 abstract 1
- 230000000171 quenching effect Effects 0.000 abstract 1
- 238000012216 screening Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000007664 blowing Methods 0.000 description 6
- 230000002596 correlated effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000010881 fly ash Substances 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 229910021538 borax Inorganic materials 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000003317 industrial substance Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000004328 sodium tetraborate Substances 0.000 description 2
- 235000010339 sodium tetraborate Nutrition 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 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 description 1
- 229910015999 BaAl Inorganic materials 0.000 description 1
- 229910019446 NaSb Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910004283 SiO 4 Inorganic materials 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- -1 add entry Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052650 alkali feldspar Inorganic materials 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 239000005356 container glass Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000006066 glass batch Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000011464 hollow brick Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 229960001708 magnesium carbonate Drugs 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000006132 parent glass Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- OGWLTJRQYVEDMR-UHFFFAOYSA-F tetramagnesium;tetracarbonate Chemical compound [Mg+2].[Mg+2].[Mg+2].[Mg+2].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O OGWLTJRQYVEDMR-UHFFFAOYSA-F 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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Abstract
The invention discloses a method for producing microcrystalling foam glass with gold tail ore, which comprises the steps of: firstly, putting gold tail ore powder, waste glass powder, fluorite powder, sodium nitrate powder, calcite powder, pure alkali powder, sodium fluosilicate powder and antimonous oxide powder into a mixer to be evenly mixed, and putting into a glass furnace to be melted; draining molten glass liquid into a water pond and water quenching; fishing out water quenched glass, and ball milling and screening with 150 screen mesh to produce the glass powder; and putting the glass powder, foaming agent, ammonium dihydrogen phosphate, iron sesquioxide and manganese dioxide powder into the mixer to be evenly mixed, putting into a foam glass-producing mould, and moving the mould into to a foaming furnace and heating to obtain the microcrystalling foam glass by means of temperature raising, fast cooling and annealing.The method not only is good for recycling waste substance and protecting environment, but also has low producing and foaming temperature and simple production technology, and the produced foaming glass has high structural intensity, low water absorption rate, small density and low heat conduction coefficient.
Description
Technical field
The present invention relates to a kind of manufacture method of multicellular glass, particularly a kind of method of utilizing golden mine tailing to produce crystallite foam glass.
Background technology
Multicellular glass is the heat insulation of a kind of superior performance, sound absorption, and protection against the tide, the novel environmental-friendly construction material of waterproof light finds in the practical application that the physical strength of multicellular glass is lower, this has limited the use range of multicellular glass greatly.And, make its foaming back in multicellular glass, separate out the crystalline method of some amount by in the multicellular glass admixtion, adding the method for a small amount of additive, the physical strength of raising multicellular glass that can be by a relatively large margin.Usually adopt waste plate glass, useless container glass, flyash etc. are produced multicellular glass for main raw material, Nanjing University is a main raw material with cullet and flyash, with lime carbonate is that whipping agent has prepared crystallite foam glass, glass powder, flyash and the nonmetalliferous ore that grinds is added the laggard row of entry mix; Containing compression moulding under the condition of moisture, then oven dry; Put into kiln and fire, the blank excision forming after will firing then.Its shortcoming is except that glass powder and flyash, has also added nonmetalliferous ore, and manufacturing cost is higher.Used nonmetalliferous ore has alkali feldspar, silica sand, soda ash and calcite, and has adopted compression moulding, complex manufacturing technology.In DE 19702560A1, once introduced the production method of utilizing some cathode tubes to produce foam glass particle, it mainly is to utilize the cathode-ray tube glass part, it is pulverized interpolation whipping agent and auxiliary agent and binding agent, add entry, mix,, be mainly used in the aggregate of light-weight building lagging material by in rotary kiln, firing particulate state multicellular glass behind the granulation formation, the multicellular glass that this method is made can not be used as building bearing walling material (sheet material), complex manufacturing technology.Aspect useless colour picture tube utilizes, Tian Yingliang is a main raw material with useless colour picture tube, with the carbon black is that whipping agent has prepared multicellular glass, in addition, except that adding the whipping agent carbon black, also added 0.5～2% coke powder, 1.5～4% borax, 1～2% industrial chemicals such as zinc oxide have increased manufacturing cost, and the multicellular glass intensity of making is low.
The content of gold is 3～5g/t in the Gold Ore, that is to say, one ton of ore is after having extracted gold, and remaining mine tailing is still near one ton.Comprehensive utilization to golden mine tailing, a variety of methods have been arranged, but only limit to utilize it to produce that material of construction, down-hole stopping composition, mine tailing stack up yard such as hollow brick are reclaimed, cement adds the not high products of added value such as material, the SiO that does not make full use of in the mine tailing to be rich in
2And Al
2O
3Deng composition; bring into play it and be worth that potentiality, above application all exist certain limitation,, added value too high as quality instability, cost and rate of utilization is low, technology is loaded down with trivial details, easily produce secondary pollution problems; cause mine tailing to be administered and do not obtain the essence breakthrough, can't obtain applying of mass-producing with utilization.So, present golden mine tailing adopt more stock's mode handle, along with the expansion of gold exploitation scale and the prolongation of production history, the mine tailing accumulating amount increases year by year, not only occupy a large amount of soils, cause the reservoir area surrounding environment to pollute, but also need to drop into build and the maintenance management that a large amount of funds is used for the mine tailing storehouse.Therefore, to comprehensive utilization of ore tailings of gold mines, with one of important topic of becoming each gold mine comprehensive utilization of resources and environment protection.About recycling various mill tailingss, various document announcements are less.CN101113076A has disclosed and has a kind ofly prepared crystallite foam glass and manufacture method thereof with kerosene shale ash, with the kerosene shale ash is main raw material, add preparation parent glass such as an amount of lime carbonate, magnesium basic carbonate, borax, yellow soda ash, add whipping agent, suds-stabilizing agent, fusing assistant etc. then, adopt the powder method firing technology to prepare crystallite foam glass.Though this method can be utilized resinous shale in a large number, but blowing temperature is 1070～1090 ℃ in the preparation multicellular glass process, higher about 200 ℃ than the preparation temperature of general multicellular glass, so high blowing temperature is difficult to find the suitable mould that can at high temperature use, and is unfavorable for big production.CN101306920A discloses a kind of multicellular glass raw materials for production and production method of foam glass thereof, and this is invented described raw materials for production and comprises following compositions in portion by weight: 380～580 parts of quartz sands; 105～250 parts of potassium felspar sands; 130～270 parts of albites; 115～200 parts of rhombspars; 5～25 parts in calcite; 150～250 parts of soda ash; 0.5～30 part in saltcake; 1.0～12 parts in magnesiumcarbonate; 1.0～8.5 parts in salt of wormwood.Described application production method of foam glass comprises the steps: that (1) is mixed into uniform glass batch with various material compositions; (2) with glass compound fusing and be cooled to glass cullet; (3) with the glass cullet ball milling, foaming, annealing promptly gets multicellular glass.The present invention can and adjust the glass chemistry composition from main control by adopting natural mineral commonly used and industrial chemicals, and can add various functional components to satisfy the multicellular glass production needs of different performance with need.This method is under various cullet situation in short supply, produce the required glass of multicellular glass with the preparation earlier of various raw mineral materialss fully, and then adopt powder sintering to prepare multicellular glass, fusion cast glass is temperature required higher, generally more than 1480 ℃, raw material and fuel cost are higher, and prepared multicellular glass belongs to traditional multicellular glass, rather than crystallite foam glass.CN101182124A has disclosed a kind of preparation method of multicellular glass, this patent utilization copper mine tailing is as main raw material, produce multicellular glass, with the copper mine tailing, cullet, carbon black, Sodium Silicofluoride and sodium phosphate put in the ball grinder that the back adds in the high temperature steel mould below ball milling to 200 order, again mould moved in the foaming furnace through preheating, foaming, surely steep and anneals multicellular glass.It is less that this method recycling copper mine tailing prepares the multicellular glass ratio, and 40～40%, and the multicellular glass bulk strength of preparation is lower.
Summary of the invention
The objective of the invention is to overcome the shortcoming of above-mentioned prior art, a kind of method of utilizing golden mine tailing to produce crystallite foam glass is provided; It is lower that the present invention prepares the foamed glass foaming temperature, and technology is simple; According to the crystallite foam glass physical strength height that preparation method of the present invention makes, pore is even, and water-intake rate is low, thermal conductivity is little, and heat insulating effect is good, easy construction.
For achieving the above object, the technical solution used in the present invention is:
1) at first, it with massfraction 60～75% golden mine tailing powder, 10～30% cullet powder, 1～15% fluorite powder, 2～6% SODIUMNITRATE powder, 2～8% calcite powder, 2～10% soda ash powder, 0.1～0.8% Sodium Silicofluoride powder and 0.1～0.5% antimonous oxide powder are put into mixer and are mixed;
2) secondly, this admixtion is dropped in glass furnace with spiral batch charger, through the fuel flame fusing, when admixtion 1100～1350 ℃ form glass after, the process supply channel will form the melten glass liquid drainage to the pond, carry out shrend;
3) then, the glass of shrend is pulled out, put into the ball mill ball milling after the drying machine oven dry and cross 150 mesh sieves and make glass powder;
4) last, get 90～96% glass powder according to massfraction, 0.5～3% whipping agent, 1～5% primary ammonium phosphate, 0.5 put into the multicellular glass mfg. moulding die after the Manganse Dioxide powder of～1% ferric oxide and 0.5～1% places mixer to mix, mould moved in the foaming furnace heat again; Rise to 500 ℃ from room temperature with the heat-up rate of 10 ℃/min, behind the insulation 30min, be incubated 120～240min after rising to 800～950 ℃ with the heat-up rate of 12 ℃/min again; Quick cooling stages, speed of cooling is 20 ℃/min, is cooled to 600 ℃, constant temperature 30min; Annealing stage, cooling rate is 1 ℃/min, is annealed to and gets crystallite foam glass below 50 ℃.
The granularity of golden mine tailing of the present invention is 250 orders, its chemical constitution massfraction: SiO
2: 50.5%, Al
2O
3: 14.4%, Fe
2O
3: 5.7%, K
2O:4.1%, Na
2O:7.3%, CaO:11.3%, MgO:0.2%, TiO
2: 0.7%, BaO:3.1%, F:2.7%.Whipping agent is carbon dust or lime carbonate.
SiO in the used golden mine tailing of the present invention
2Content is higher, belongs to silicate material, be fit to produce high-intensity multicellular glass thermal insulation material, but directly as feedstock production multicellular glass, activity is lower, goods blowing temperature height, and foam structure is difficult to uniform distribution, and product properties is relatively poor.Therefore, the present invention at first with golden mine tailing under the effect of adding cullet and various additives, fusion forms glass (generally speaking under the general glass melting temperature being lower than, the formation of glass need be through five stages: the formation of silicate, the formation of glass, the clarification of glass, the homogenizing of glass, the cooling of glass.The clarification homogenization temperature is about 1500 ℃), to the bubble in the fusion formation glass, calculus requires lower.Therefore, this admixtion gets final product 1100～1350 ℃ of fusions.Simultaneously, contain micro heavy in the used golden mine tailing of the present invention, can be used as the nucleator of preparation crystallite foam glass as Au etc.Used whipping agent adopts the conventional whipping agent of knowing of producing multicellular glass among the present invention, can be carbon dust, lime carbonate etc.Adding primary ammonium phosphate among the present invention is as nucleator, and ferric oxide and Manganse Dioxide are as tinting material; Foam process of the present invention except that blowing temperature and foamed heat insulating the time with the conventional foam glassy phase with.Selected blowing temperature is identical with the crystallization temperature of institute melten glass among the present invention, and soaking time is long more, and crystalline content is many more in the crystallite foam glass of formation, and crystalline size is big more, and the performance of prepared crystallite foam glass is excellent more.
The present invention not only helps utilization of waste material, the protection environment, and also the preparation blowing temperature is low, and preparation technology is simple, and the multicellular glass structural strength height that makes, water-intake rate is low, density is little, thermal conductivity is low.The present invention can reduce the production cost of multicellular glass effectively, and the protection environment is turned waste into wealth, and has tangible economic benefit and environmental benefit.The properties of foam glass of producing: density is less than 0.8gcm
-3, water-intake rate is less than 2.0vol%, average bubble diameter 1～3mm, and folding strength can reach 3.0～20MPa.
Description of drawings
Fig. 1 is the diffraction photo that the prepared crystallite foam glass of the embodiment of the invention 1 detects at X-ray diffractometer, wherein X-coordinate be diffraction angle 2 θ/(°), ordinate zou is a diffracted intensity;
Fig. 2 is the prepared photo of crystallite foam glass under scanning electronic microscope of the embodiment of the invention 1;
Fig. 3 is the diffraction photo that the prepared crystallite foam glass of the embodiment of the invention 2 detect at X-ray diffractometer, wherein X-coordinate be diffraction angle 2 θ/(°), ordinate zou is a diffracted intensity;
Fig. 4 is the prepared photo of crystallite foam glass under scanning electronic microscope of inventive embodiments 2.
Embodiment
2) secondly, this admixtion is dropped in glass furnace with spiral batch charger, through the fuel flame fusing, when admixtion 1250 ℃ form glass after, the process supply channel will form the melten glass liquid drainage to the pond, carry out shrend;
3) then, the glass of shrend is pulled out, put into the ball mill ball milling after the drying machine oven dry and cross 150 mesh sieves and make glass powder;
4) last, get 91% glass powder according to massfraction, 2% carbon dust, 5% primary ammonium phosphate, put into the multicellular glass mfg. moulding die after 1% ferric oxide and 1% Manganse Dioxide powder place mixer to mix, mould is moved in the foaming furnace heat again; Rise to 500 ℃ from room temperature with the heat-up rate of 10 ℃/min, behind the insulation 30min, be incubated 120min after rising to 850 ℃ with the heat-up rate of 12 ℃/min again; Quick cooling stages, speed of cooling is 20 ℃/min, is cooled to 600 ℃, constant temperature 30min; Annealing stage, cooling rate is 1 ℃/min, is annealed to and gets crystallite foam glass below 50 ℃.
The test correlated performance is:
Apparent density: 0.32gcm
-3
Average bubble diameter: 1.64mm;
Folding strength: 7MPa;
Referring to accompanying drawing 1, accompanying drawing 2, on the bubble wall, the granular NaSb of some amount is arranged as can be seen by accompanying drawing
5O
8, Na
2BaAl
4(SiO
4)
4Occur in crystal.
2) secondly, this admixtion is dropped in glass furnace with spiral batch charger, through the fuel flame fusing, when admixtion 1260 ℃ form glass after, the process supply channel will form the melten glass liquid drainage to the pond, carry out shrend;
3) then, the glass of shrend is pulled out, put into the ball mill ball milling after the drying machine oven dry and cross 150 mesh sieves and make glass powder;
4) last, get 90% glass powder according to massfraction, 3% lime carbonate, 5% primary ammonium phosphate, put into the multicellular glass mfg. moulding die after 1% ferric oxide and 1% Manganse Dioxide powder place mixer to mix, mould is moved in the foaming furnace heat again; Rise to 500 ℃ from room temperature with the heat-up rate of 10 ℃/min, behind the insulation 30min, be incubated 240min after rising to 880 ℃ with the heat-up rate of 12 ℃/min again; Quick cooling stages, speed of cooling is 20 ℃/min, is cooled to 600 ℃, constant temperature 30min; Annealing stage, cooling rate is 1 ℃/min, is annealed to and gets crystallite foam glass below 50 ℃.
The test correlated performance is:
Apparent density: 0.36gcm
-3
Average bubble diameter: 1.44mm;
Folding strength: 14MPa;
Referring to accompanying drawing 3, accompanying drawing 4, on the bubble wall, a large amount of particulate state CaAl are arranged as can be seen by accompanying drawing
2(Si
2Al
2) O
10(OH)
2, NaTiSi
2O
6Occur in crystal.
Embodiment 3,1) at first, it with massfraction 65% golden mine tailing powder, 15% cullet powder, 3% fluorite powder, 6% SODIUMNITRATE powder, 8% calcite powder, 2% soda ash powder, 0.8% Sodium Silicofluoride powder and 0.2% antimonous oxide powder are put into mixer and are mixed;
2) secondly, this admixtion is dropped in glass furnace with spiral batch charger, through the fuel flame fusing, when admixtion 1320 ℃ form glass after, the process supply channel will form the melten glass liquid drainage to the pond, carry out shrend;
3) then, the glass of shrend is pulled out, put into the ball mill ball milling after the drying machine oven dry and cross 150 mesh sieves and make glass powder;
4) last, get 94.5% glass powder according to massfraction, 0.5% lime carbonate, 4% primary ammonium phosphate, put into the multicellular glass mfg. moulding die after 0.5% ferric oxide and 0.5% Manganse Dioxide powder place mixer to mix, mould is moved in the foaming furnace heat again; Rise to 500 ℃ from room temperature with the heat-up rate of 10 ℃/min, behind the insulation 30min, be incubated 120min after rising to 950 ℃ with the heat-up rate of 12 ℃/min again; Quick cooling stages, speed of cooling is 20 ℃/min, is cooled to 600 ℃, constant temperature 30min; Annealing stage, cooling rate is 1 ℃/min, is annealed to and gets crystallite foam glass below 50 ℃.
The test correlated performance is:
Apparent density: 0.42gcm
-3
Average bubble diameter: 1.74mm;
Folding strength: 15MPa;
Embodiment 4,1) at first, it with massfraction 73% golden mine tailing powder, 15% cullet powder, 2% fluorite powder, 3% SODIUMNITRATE powder, 4% calcite powder, 2.5% soda ash powder, 0.2% Sodium Silicofluoride powder and 0.3% antimonous oxide powder are put into mixer and are mixed;
2) secondly, this admixtion is dropped in glass furnace with spiral batch charger, through the fuel flame fusing, when admixtion 1350 ℃ form glass after, the process supply channel will form the melten glass liquid drainage to the pond, carry out shrend;
3) then, the glass of shrend is pulled out, put into the ball mill ball milling after the drying machine oven dry and cross 150 mesh sieves and make glass powder;
4) last, get 92% glass powder according to massfraction, 3% carbon dust, 3.5% primary ammonium phosphate, put into the multicellular glass mfg. moulding die after 0.7% ferric oxide and 0.8% Manganse Dioxide powder place mixer to mix, mould is moved in the foaming furnace heat again; Rise to 500 ℃ from room temperature with the heat-up rate of 10 ℃/min, behind the insulation 30min, be incubated 200min after rising to 950 ℃ with the heat-up rate of 12 ℃/min again; Quick cooling stages, speed of cooling is 20 ℃/min, is cooled to 600 ℃, constant temperature 30min; Annealing stage, cooling rate is 1 ℃/min, is annealed to and gets crystallite foam glass below 50 ℃.
The test correlated performance is:
Apparent density: 0.39gcm
-3
Average bubble diameter: 1.54mm;
Folding strength: 9MPa;
Embodiment 5,1) at first, it with massfraction 75% golden mine tailing powder, 13% cullet powder, 1% fluorite powder, 2% SODIUMNITRATE powder, 2% calcite powder, 6% soda ash powder, 0.5% Sodium Silicofluoride powder and 0.5% antimonous oxide powder are put into mixer and are mixed;
2) secondly, this admixtion is dropped in glass furnace with spiral batch charger, through the fuel flame fusing, when admixtion 1300 ℃ form glass after, the process supply channel will form the melten glass liquid drainage to the pond, carry out shrend;
3) then, the glass of shrend is pulled out, put into the ball mill ball milling after the drying machine oven dry and cross 150 mesh sieves and make glass powder;
4) last, get 93% glass powder according to massfraction, 2% carbon dust, 3% primary ammonium phosphate, put into the multicellular glass mfg. moulding die after 1% ferric oxide and 1% Manganse Dioxide powder place mixer to mix, mould is moved in the foaming furnace heat again; Rise to 500 ℃ from room temperature with the heat-up rate of 10 ℃/min, behind the insulation 30min, be incubated 200min after rising to 880 ℃ with the heat-up rate of 12 ℃/min again; Quick cooling stages, speed of cooling is 20 ℃/min, is cooled to 600 ℃, constant temperature 30min; Annealing stage, cooling rate is 1 ℃/min, is annealed to and gets crystallite foam glass below 50 ℃.
The test correlated performance is:
Apparent density: 0.41gcm
-3
Average bubble diameter: 1.44mm;
Folding strength: 11MPa;
Embodiment 6,1) at first, it with massfraction 60% golden mine tailing powder, 30% cullet powder, 1% fluorite powder, 3% SODIUMNITRATE powder, 3.5% calcite powder, 2% soda ash powder, 0.3% Sodium Silicofluoride powder and 0.2% antimonous oxide powder are put into mixer and are mixed;
2) secondly, this admixtion is dropped in glass furnace with spiral batch charger, through the fuel flame fusing, when admixtion 1150 ℃ form glass after, the process supply channel will form the melten glass liquid drainage to the pond, carry out shrend;
3) then, the glass of shrend is pulled out, put into the ball mill ball milling after the drying machine oven dry and cross 150 mesh sieves and make glass powder;
4) last, get 92% glass powder according to massfraction, 2% lime carbonate, 4% primary ammonium phosphate, put into the multicellular glass mfg. moulding die after 1% ferric oxide and 1% Manganse Dioxide powder place mixer to mix, mould is moved in the foaming furnace heat again; Rise to 500 ℃ from room temperature with the heat-up rate of 10 ℃/min, behind the insulation 30min, be incubated 120min after rising to 920 ℃ with the heat-up rate of 12 ℃/min again; Quick cooling stages, speed of cooling is 20 ℃/min, is cooled to 600 ℃, constant temperature 30min; Annealing stage, cooling rate is 1 ℃/min, is annealed to and gets crystallite foam glass below 50 ℃.
The test correlated performance is:
Apparent density: 0.29gcm
-3
Average bubble diameter: 1.34mm;
Folding strength: 16MPa;
Embodiment 7,1) at first, it with massfraction 60% golden mine tailing powder, 10% cullet powder, 15% fluorite powder, 2.5% SODIUMNITRATE powder, 2% calcite powder, 10% soda ash powder, 0.2% Sodium Silicofluoride powder and 0.3% antimonous oxide powder are put into mixer and are mixed;
2) secondly, this admixtion is dropped in glass furnace with spiral batch charger, through the fuel flame fusing, when admixtion 1100 ℃ form glass after, the process supply channel will form the melten glass liquid drainage to the pond, carry out shrend;
3) then, the glass of shrend is pulled out, put into the ball mill ball milling after the drying machine oven dry and cross 150 mesh sieves and make glass powder;
4) last, get 96% glass powder according to massfraction, 1% carbon dust, 1% primary ammonium phosphate, put into the multicellular glass mfg. moulding die after 1% ferric oxide and 1% Manganse Dioxide powder place mixer to mix, mould is moved in the foaming furnace heat again; Rise to 500 ℃ from room temperature with the heat-up rate of 10 ℃/min, behind the insulation 30min, be incubated 180min after rising to 800 ℃ with the heat-up rate of 12 ℃/min again; Quick cooling stages, speed of cooling is 20 ℃/min, is cooled to 600 ℃, constant temperature 30min; Annealing stage, cooling rate is 1 ℃/min, is annealed to and gets crystallite foam glass below 50 ℃.
The present invention adopts golden mine tailing production crystallite foam glass to be conducive to twice laid, protection of the environment. The foam glass that the present invention produces, have in light weight, water absorption rate is low, mechanical performance is good. And anti-thermal shock is good, has insulation effect, flame retardant effect, and foam glass is very extensive as the New Building Materials purposes. The present invention does not produce solid emission, and the foam glass leftover pieces that cut down can the repetitive cycling utilization. It can be used for roof and exterior-wall heat insulation as heat-insulating material, can effectively reduce heating and refrigeration expense. This kind foam glass is the heat insulation excellent material of corrosion-resistant thermal insulation of steam power plant's smokestack inwall in addition. Moreover this kind foam glass can also be used for the appearance cold insulation of deep cooling and cryogenic piping, equipment, container and storage tank; In the outer insulation of gentle high-temperature pipe, equipment; The outer insulation of oil and heated bitumen storage tank; The insulation of petrochemical industry, sulfuration production process; The hydrophobic damp proof insulation field that is used for Tunnel Engineering and underground engineering; Therefore, this kind foam glass has wide application prospect.
Claims (3)
1. utilize golden mine tailing to produce the method for crystallite foam glass, it is characterized in that:
1) at first, it with massfraction 60～75% golden mine tailing powder, 10～30% cullet powder, 1～15% fluorite powder, 2～6% SODIUMNITRATE powder, 2～8% calcite powder, 2～10% soda ash powder, 0.1～0.8% Sodium Silicofluoride powder and 0.1～0.5% antimonous oxide powder are put into mixer and are mixed;
2) secondly, this admixtion is dropped in glass furnace with spiral batch charger, through the fuel flame fusing, when admixtion 1100～1350 ℃ form glass after, the process supply channel will form the melten glass liquid drainage to the pond, carry out shrend;
3) then, the glass of shrend is pulled out, put into the ball mill ball milling after the drying machine oven dry and cross 150 mesh sieves and make glass powder;
4) last, get 90～96% glass powder according to massfraction, 0.5～3% whipping agent, 1～5% primary ammonium phosphate, 0.5 put into the multicellular glass mfg. moulding die after the Manganse Dioxide powder of～1% ferric oxide and 0.5～1% places mixer to mix, mould moved in the foaming furnace heat again; Rise to 500 ℃ from room temperature with the heat-up rate of 10 ℃/min, behind the insulation 30min, be incubated 120-240min after rising to 800-950 ℃ with the heat-up rate of 12 ℃/min again; Quick cooling stages, speed of cooling is 20 ℃/min, is cooled to 600 ℃, constant temperature 30min; Annealing stage, cooling rate is 1 ℃/min, is annealed to and gets crystallite foam glass below 50 ℃.
2. the method that the golden mine tailing of utilization according to claim 1 is produced crystallite foam glass, it is characterized in that: the granularity of said golden mine tailing is 250 orders, the chemical constitution massfraction of golden mine tailing: SiO
2: 50.5%, Al
2O
3: 14.4%, Fe
2O
3: 5.7%, K
2O:4.1%, Na
2O:7.3%, CaO:11.3%, MgO:0.2wt%, TiO
2: 0.7%, BaO:3.1%, F:2.7%.
3. the method that the golden mine tailing of utilization according to claim 1 is produced crystallite foam glass, it is characterized in that: said whipping agent is carbon dust or lime carbonate.
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| CN102249545A (en) * | 2011-05-30 | 2011-11-23 | 大连工业大学 | Gold slag microcrystalline glass and preparation method thereof |
| CN102875028A (en) * | 2012-11-07 | 2013-01-16 | 会理县紫源矿业有限责任公司 | Black foam glass and preparation method thereof |
| CN103086602A (en) * | 2013-03-04 | 2013-05-08 | 内蒙古科技大学 | Method for manufacturing low-swelling microcrystalline glass through microwave heat treatment of gold tailings |
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