CN105152531A - Method for preparing soda-lime glass from raw material alkali residue byproduct produced during firing of low-modulus water glass with coal gangue acid-leached residue-sodium sulfate - Google Patents
Method for preparing soda-lime glass from raw material alkali residue byproduct produced during firing of low-modulus water glass with coal gangue acid-leached residue-sodium sulfate Download PDFInfo
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- 239000003513 alkali Substances 0.000 title claims abstract description 41
- 239000003245 coal Substances 0.000 title claims abstract description 39
- 239000005361 soda-lime glass Substances 0.000 title claims abstract description 39
- 239000002994 raw material Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 29
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 235000019353 potassium silicate Nutrition 0.000 title claims abstract description 23
- 239000006227 byproduct Substances 0.000 title claims abstract description 18
- 229910052938 sodium sulfate Inorganic materials 0.000 title claims abstract description 18
- 238000010304 firing Methods 0.000 title abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 64
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000000292 calcium oxide Substances 0.000 claims abstract description 28
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 24
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 14
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910001948 sodium oxide Inorganic materials 0.000 claims abstract description 12
- 239000011521 glass Substances 0.000 claims abstract description 9
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 28
- 235000012255 calcium oxide Nutrition 0.000 claims description 27
- 239000002253 acid Substances 0.000 claims description 20
- 238000002386 leaching Methods 0.000 claims description 19
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 11
- 229960001866 silicon dioxide Drugs 0.000 claims description 11
- 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
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 claims description 10
- 229910001950 potassium oxide Inorganic materials 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 5
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 abstract description 7
- 239000011734 sodium Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 229910052708 sodium Inorganic materials 0.000 abstract description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 3
- 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 abstract description 3
- 239000011575 calcium Substances 0.000 abstract description 3
- 229910052791 calcium Inorganic materials 0.000 abstract description 3
- 239000000378 calcium silicate Substances 0.000 abstract description 3
- 229910052918 calcium silicate Inorganic materials 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000002910 solid waste Substances 0.000 abstract description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract description 2
- 235000011941 Tilia x europaea Nutrition 0.000 abstract description 2
- 159000000007 calcium salts Chemical class 0.000 abstract description 2
- 239000000374 eutectic mixture Substances 0.000 abstract description 2
- 239000004571 lime Substances 0.000 abstract description 2
- -1 meanwhile Substances 0.000 abstract description 2
- 239000000376 reactant Substances 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 abstract 2
- 229910052911 sodium silicate Inorganic materials 0.000 abstract 2
- 239000004115 Sodium Silicate Substances 0.000 abstract 1
- 238000010494 dissociation reaction Methods 0.000 abstract 1
- 230000005593 dissociations Effects 0.000 abstract 1
- 238000000265 homogenisation Methods 0.000 abstract 1
- 235000019795 sodium metasilicate Nutrition 0.000 abstract 1
- 229910052882 wollastonite Inorganic materials 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- 235000011152 sodium sulphate Nutrition 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 238000007701 flash-distillation Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000005070 ripening Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 208000012826 adjustment disease Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000011284 combination treatment Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Abstract
The invention relates to the technical field of recycling of coal-series solid waste, in particular to a method for preparing soda-lime glass from a raw material alkali residue byproduct produced during firing of low-modulus water glass with coal gangue acid-leached residue-sodium sulfate. The alkali residues are introduced into soda-lime glass production, so that sodium sources in a raw material formula completely come from the alkali residues, the cost is lower in the soda-lime glass preparation process, calcium in the alkali residues exists in the form of calcium silicate, the alkali residues are used as raw materials to produce the soda-lime glass, meanwhile, lime dissociation energy and calcium silicate chemical combination energy can be saved, and energy consumption in the soda-lime glass preparation process is further reduced; the main phase Na2SiO3*CaSiO3 of the alkali residues, which is an eutectic mixture of silicon dioxide, sodium oxide and calcium oxide, is combined, the melting point during glass melting is reduced, mass transfer and substance homogenization among reactants are promoted, the chemical combination energy of sodium silicate and calcium salt is reduced, and the production energy consumption of the soda-lime glass is reduced.
Description
Technical field
The present invention relates to coal solid waste application technology as the second resource field, especially a kind ofly fire low modulus water glass by-product alkali residue for raw material with coal gangue acid leaching residue-sodium sulfate and prepare the method for soda-lime glass.
Background technology
Coal gangue is the solid waste discharged in coal mining process and coal washing process, is black gray expandable rock lower, harder than coal with a kind of carbon content of coal seam association in coalification course.Because the quantity discharged of coal gangue domestic is every year larger, and it is relatively less to the consumption of the recycling treatment process of coal gangue, so, the mode of what the treating processes for coal gangue adopted mostly is landfill and stacking, so not only cause the destruction of environment, but also a large amount of industrial chemicals resources is wasted.
For this reason, a large amount of investigators is had to do further research to coal gangue and explore, coal gangue is produced the products such as water glass as raw material, if the patent No. is 200810000988.6, " a kind of method of preparing soluble glass from coal gangue " provides first to be dropped in fluidizing furnace by coal gangue and sinters, again the colliery powder of gained 70-130 weight part and the hydrochloric acid of 200-300 weight part are carried out acidleach in enamel still, obtained aluminum chloride mother liquor and solid slag after products therefrom melt cinder is separated, the liquid caustic soda of the 10-12% of 40-60 weight part and the water of 40-60 weight part is added in gained solid slag 100 weight part, at 80-105 DEG C of reaction 0.5-1 hour under stirring, products therefrom is with obtained after flame filter press filter cleaner.The fineness of colliery powder is 60-80 order, and the concentration of hydrochloric acid is 25-36%, and sintering temperature is 750 ± 50 DEG C.
For another example the patent No. be 201110209445.7 " a kind of coal gangue acid leaching residue that utilizes produces the method for soluble glass of high modulus " select containing Al2O3≤8%, the coal gangue acid leaching residue of SiO2 >=75% is raw material, caustic soda is joined by the molar weight of SiO2 in acid sludge, add water adjustment reaction liquid-solid ratio, at 90 ~ 95 DEG C of temperature and normal pressure, carry out the molten reaction of alkali, reaction terminates, and filtered while hot, obtains low modulus water glass, coal gangue acid leaching residue is added again in low modulus water glass, under identical operating conditions, carry out proposing mould reaction, reaction ends, filtered while hot, obtains soluble glass of high modulus.
As can be seen here, comparatively general for the comprehensive utilization in glass preparation field for coal gangue in prior art, but, in above-mentioned preparation process, all there is the discharge of a large amount of alkali residues, and then make to create new alkaline residue waste in the process of comprehensive utilization, recycling coal gangue, and because it contains a large amount of alkali in alkaline residue waste, and then make it be difficult to be utilized once again, and, if be placed in environment and stack process, will cause affecting edaphic pH value, cause the severe contamination of environment.
Based on this, this investigator is in conjunction with the characteristic of soda-lime glass and do further research to the alkaline residue of above-mentioned generation and explore, and then using the above-mentioned raw material utilizing the alkaline residue produced to prepare as soda-lime glass to utilization of coal gangue, and then be that the raw material sources expanded time prepared by soda-lime glass provide reliable guarantee, and also make utilization of coal gangue utilize the application obtaining deeper degree, produce for soda-lime glass and provide new approaches with preparing technical field.
Summary of the invention
In order to solve the above-mentioned technical problem existed in prior art, the invention provides and fire low modulus water glass by-product alkali residue for raw material with coal gangue acid leaching residue-sodium sulfate and prepare the method for soda-lime glass.
The waste residue containing alkali that alkali residue of the present invention produces after referring to and coal gangue being fired low modulus water glass after acidleach dissolution process.
In order to realize above-mentioned relevant object, the present invention is achieved particular by following technical scheme:
Fire low modulus water glass by-product alkali residue for raw material with coal gangue acid leaching residue-sodium sulfate and prepare the method for soda-lime glass, comprise the following steps:
(1) by alkali residue after expansion drying, put in storage stand-by;
(2) take step 1 according to weight) alkali residue 90-110 part, take silica sand 85-100 part, unslaked lime 0-5 part, after being mixed, obtain mixture; Mixture is sent in glass melting furnace again carry out founding, clarify, homogenizing, cooling obtain soda-lime glass.
Described alkali residue, wherein containing silicon-dioxide 48.8-49%, sodium oxide 29.22-31.88%, calcium oxide 15.25-17.68%, and the content of aluminium sesquioxide be 2.35-2.37%, magnesian content is 0.81-0.83%, the content of ferric oxide is 0.44-0.46%, the content of potassium oxide is 0.55-0.65%.
Described silica sand, the content of its silicon oxide is 99.6%.
Described unslaked lime, the content of its calcium oxide is 95%.
Described mixture, wherein containing silicon-dioxide 71.90-73.03%, sodium oxide 15.11-15.79%, calcium oxide 8.84-9.34%, and the content of aluminium sesquioxide be 1.15-1.28%, magnesian content is 0.40-0.44%, the content of potassium oxide is 0.29-0.32%, the content of ferric oxide is 0.22-0.24%.
Above-mentioned in the process of mixed raw material for mixture, that each raw material is blended directly in together, again by it under normal temperature environment, the stirring velocity of 1-1000r/min is adopted to carry out stir process, after each raw material is mixed, again by after its ripening to 1-15h, then by it according to founding, clarify, homogenizing, cooling step be prepared into soda-lime glass.
Soda-lime glass, also known as soda glass or soda-lime-silica glass, is kind the most common in silicate glass.Main with quartz sand (SiO
2), Wingdale (CaCO
3), soda ash (Na
2cO
3), feldspar etc. is main raw material, through 1550 ~ 1600 DEG C of high-temperature fusion, clarification, homogenizing, shaping, the obtained amorphous non-crystalline solid material through cooling fast.Its chemical composition is very complicated, and fires raw material and forms directly related, in main raw material composition, and SiO
2content is at about 72wt%, Na
2o content at about 15%wt, CaO content at about 9wt%), also have a small amount of Al in addition
2o
3, MgO, K
2o etc.
Compared with prior art, technique effect of the present invention is embodied in:
By alkali residue being introduced in soda-lime glass production, the sodium source in composition of raw materials is made all to derive from alkali residue, and then make the cost in soda-lime glass preparation process lower, and the calcium in alkali residue also exists with the form of Calucium Silicate powder, while it can be used as raw material production soda-lime glass, or lime resolution and calcium silicate compound can all be saved, and then reduce the energy consumption in soda-lime glass preparation process; The dominant of combined alkali residue is Na mutually again
2siO
3caSiO
3, be with the eutectic mixture of silicon-dioxide, sodium oxide, calcium oxide, and then fusing point when reducing glass smelting, also promote the mass transfer between reactant, material homogenizing, reduce the chemical combination energy of water glass and calcium salt, reduce the production energy consumption of soda-lime glass.
The present invention also combines and adjusts the proportioning of each raw material, the content of silicon composition wherein, sodium composition, calcium component is protected, and combination limits the Contents of Main Components of each raw material and carries out combination treatment to raw material, in conjunction with follow-up prepare soda-lime glass time processing step and the adjustment of relevant processing parameter and control, and then make to interact between each raw material, and then improve the quality of soda-lime glass of preparation.
Accompanying drawing explanation
Fig. 1 of the present inventionly fires alkali residue that low modulus water glass produces for raw material with coal gangue acid leaching residue by-product sodium sulfate and prepares the process flow sheet of soda-lime glass method.
Embodiment
Below in conjunction with accompanying drawing and concrete embodiment, further restriction is done to technical scheme of the present invention, but claimed scope is not only confined to done description.
Embodiment 1
As shown in Figure 1, a kind ofly fire low modulus water glass by-product alkali residue for raw material with coal gangue acid leaching residue-sodium sulfate and prepare the method for soda-lime glass, after the alkali residue firing low modulus water glass generation with coal gangue acid leaching residue by-product sodium sulfate is adopted flash distillation dryer drying treatment, carried out composition analysis, its result is for containing silicon-dioxide 48.8%, sodium oxide 31.88%, calcium oxide 15.25%, and the content of aluminium sesquioxide is 2.35%, magnesian content is 0.80%, the content of ferric oxide is 0.41%, the content of potassium oxide is 0.53%, other.After being put in storage again, stand-by;
Get above-mentioned alkali residue 110kg, take silica sand 85kg, unslaked lime 0kg, after being mixed, obtain mixture; And composition analysis is carried out to mixture, wherein containing silicon-dioxide 72.32%, sodium oxide 15.79%, calcium oxide 9.12%, and the content of aluminium sesquioxide is 1.28%, magnesian content is 0.44%, the content of potassium oxide is 0.32%, the content of ferric oxide is 0.24%, other.
Mixture is sent in glass melting furnace again carry out founding, clarify, homogenizing, cooling obtain soda-lime glass.
The silica sand of above-mentioned employing, the content of its silicon oxide is 99.6%.Unslaked lime, the content of its calcium oxide is 95%.
Embodiment 2
As shown in Figure 1, a kind ofly fire low modulus water glass by-product alkali residue for raw material with coal gangue acid leaching residue-sodium sulfate and prepare the method for soda-lime glass, after the alkali residue firing low modulus water glass generation with coal gangue acid leaching residue by-product sodium sulfate is adopted flash distillation dryer drying treatment, carried out composition analysis, its result is for containing silicon-dioxide 48.9%, sodium oxide 30.22%, calcium oxide 16.68%, and the content of aluminium sesquioxide is 2.35%, magnesian content is 0.81%, the content of ferric oxide is 0.46%, the content of potassium oxide is 0.65%, other.After being put in storage again, stand-by;
Get above-mentioned alkali residue 100kg, take silica sand 95kg, unslaked lime 0-4 part, after being mixed, obtain mixture; And composition analysis is carried out to mixture, wherein containing silicon-dioxide 71.90%, sodium oxide 15.11%, calcium oxide 8.84%, and the content of aluminium sesquioxide is 1.18%, magnesian content is 0.41%, the content of potassium oxide is 0.30%, the content of ferric oxide is 0.22%, other.
Mixture is sent in glass melting furnace again carry out founding, clarify, homogenizing, cooling obtain soda-lime glass.
The silica sand of above-mentioned employing, the content of its silicon oxide is 99.6%.Unslaked lime, the content of its calcium oxide is 95%.
Embodiment 3
As shown in Figure 1, as shown in Figure 1, a kind ofly fire low modulus water glass by-product alkali residue for raw material with coal gangue acid leaching residue-sodium sulfate and prepare the method for soda-lime glass, after the alkali residue firing low modulus water glass generation with coal gangue acid leaching residue by-product sodium sulfate is adopted flash distillation dryer drying treatment, carried out composition analysis, its result is for containing silicon-dioxide 49%, sodium oxide 29.22%, calcium oxide 17.68%, and the content of aluminium sesquioxide is 1.35%, magnesian content is 0.81%, the content of ferric oxide is 0.46%, the content of potassium oxide is 0.65%, other.After being put in storage again, stand-by;
Get above-mentioned alkali residue 100kg, take silica sand 95kg, unslaked lime 0-4 part, after being mixed, obtain mixture; And composition analysis is carried out to mixture, wherein containing silicon-dioxide 71.90%, sodium oxide 15.11%, calcium oxide 8.84%, and the content of aluminium sesquioxide is 1.18%, magnesian content is 0.41%, the content of potassium oxide is 0.30%, the content of ferric oxide is 0.22%, other.
Mixture is sent in glass melting furnace again carry out founding, clarify, homogenizing, cooling obtain soda-lime glass.
The silica sand of above-mentioned employing, the content of its silicon oxide is 99.6%.Unslaked lime, the content of its calcium oxide is 95%.
Above-mentioned in the process of mixed raw material for mixture, be that each raw material is blended directly in together, then by it under normal temperature environment, adopt the stirring velocity of 1-1000r/min to carry out stir process, after each raw material is mixed, then by its ripening to 1-15h.
Claims (5)
1. fire low modulus water glass by-product alkali residue for raw material with coal gangue acid leaching residue-sodium sulfate and prepare the method for soda-lime glass, it is characterized in that, comprise the following steps:
(1) by alkali residue after expansion drying, put in storage stand-by;
(2) take step 1 according to weight) alkali residue 90-110 part, take silica sand 85-100 part, unslaked lime 0-5 part, after being mixed, obtain mixture; Mixture is sent in glass melting furnace again carry out founding, clarify, homogenizing, cooling obtain soda-lime glass.
2. as claimed in claim 1 fire low modulus water glass by-product alkali residue for raw material with coal gangue acid leaching residue-sodium sulfate and prepare the method for soda-lime glass, it is characterized in that, described alkali residue, wherein containing silicon-dioxide 48.8-49%, sodium oxide 29.22-31.88%, calcium oxide 15.25-17.68%, and the content of aluminium sesquioxide be 2.35-2.37%, magnesian content is 0.81-0.83%, the content of ferric oxide is 0.44-0.46%, the content of potassium oxide is 0.55-0.65%.
3. as claimed in claim 1 fire low modulus water glass by-product alkali residue for raw material with coal gangue acid leaching residue-sodium sulfate and prepare the method for soda-lime glass, it is characterized in that, described silica sand, the content of its silicon oxide is 99.6%.
4. as claimed in claim 1 fire low modulus water glass by-product alkali residue for raw material with coal gangue acid leaching residue-sodium sulfate and prepare the method for soda-lime glass, it is characterized in that, described unslaked lime, the content of its calcium oxide is 95%.
5. as claimed in claim 1 fire low modulus water glass by-product alkali residue for raw material with coal gangue acid leaching residue-sodium sulfate and prepare the method for soda-lime glass, it is characterized in that, described mixture, wherein containing silicon-dioxide 71.90-73.03%, sodium oxide 15.11-15.79%, calcium oxide 8.84-9.34%, and the content of aluminium sesquioxide be 1.15-1.28%, magnesian content is 0.40-0.44%, the content of potassium oxide is 0.29-0.32%, the content of ferric oxide is 0.22-0.24%.
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| CN201510492605.1A CN105152531B (en) | 2015-08-12 | 2015-08-12 | It is a kind of that the method that low modulus water glass by-product alkali residue prepares soda-lime glass as raw material is fired using acid gangue phase analysis sodium sulphate |
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| CN201510492605.1A CN105152531B (en) | 2015-08-12 | 2015-08-12 | It is a kind of that the method that low modulus water glass by-product alkali residue prepares soda-lime glass as raw material is fired using acid gangue phase analysis sodium sulphate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416851A (en) * | 2017-05-25 | 2017-12-01 | 肖飞 | A kind of technique for preparing sodium silicate using flyash wet method |
| CN109650727A (en) * | 2018-09-13 | 2019-04-19 | 西南科技大学 | A kind of method that vulcanized sodium slag prepares cellular glass |
| CN113118181A (en) * | 2021-04-13 | 2021-07-16 | 光大环保技术研究院（深圳）有限公司 | Method for preparing vitreous body and decarbonizing by using hazardous waste incineration ash in synergy mode |
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|---|---|---|---|---|
| JPS55100236A (en) * | 1979-01-18 | 1980-07-31 | Sumitomo Metal Ind Ltd | Method and apparatus for manufacturing glass starting material |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416851A (en) * | 2017-05-25 | 2017-12-01 | 肖飞 | A kind of technique for preparing sodium silicate using flyash wet method |
| CN107416851B (en) * | 2017-05-25 | 2020-11-17 | 阜阳市逸浩专利技术服务有限公司 | Process for preparing sodium silicate by using fly ash wet method |
| CN109650727A (en) * | 2018-09-13 | 2019-04-19 | 西南科技大学 | A kind of method that vulcanized sodium slag prepares cellular glass |
| CN109650727B (en) * | 2018-09-13 | 2021-09-17 | 西南科技大学 | Method for preparing porous glass from sodium sulfide slag |
| CN113118181A (en) * | 2021-04-13 | 2021-07-16 | 光大环保技术研究院（深圳）有限公司 | Method for preparing vitreous body and decarbonizing by using hazardous waste incineration ash in synergy mode |
| CN113118181B (en) * | 2021-04-13 | 2022-09-09 | 光大环保技术研究院（深圳）有限公司 | Method for preparing vitreous body and decarbonizing by using hazardous waste incineration ash in synergy mode |
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| CN105152531B (en) | 2017-11-03 |
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