CN105271780B - A kind of nickel slag and fly ash foam glass and preparation method thereof - Google Patents
A kind of nickel slag and fly ash foam glass and preparation method thereof Download PDFInfo
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- CN105271780B CN105271780B CN201510783781.0A CN201510783781A CN105271780B CN 105271780 B CN105271780 B CN 105271780B CN 201510783781 A CN201510783781 A CN 201510783781A CN 105271780 B CN105271780 B CN 105271780B
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- nickel slag
- cullet
- foam glass
- fly ash
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 60
- 239000002893 slag Substances 0.000 title claims abstract description 60
- 239000010881 fly ash Substances 0.000 title claims abstract description 39
- 239000011494 foam glass Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000006063 cullet Substances 0.000 claims abstract description 36
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 25
- 239000006260 foam Substances 0.000 claims abstract description 18
- 239000004088 foaming agent Substances 0.000 claims abstract description 17
- 239000003381 stabilizer Substances 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 13
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 8
- 230000011218 segmentation Effects 0.000 claims description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 6
- 239000004327 boric acid Substances 0.000 claims description 6
- 235000019738 Limestone Nutrition 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 239000006028 limestone Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- MPPQGYCZBNURDG-UHFFFAOYSA-N 2-propionyl-6-dimethylaminonaphthalene Chemical compound C1=C(N(C)C)C=CC2=CC(C(=O)CC)=CC=C21 MPPQGYCZBNURDG-UHFFFAOYSA-N 0.000 claims description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- 229910021538 borax Inorganic materials 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 239000004328 sodium tetraborate Substances 0.000 claims description 4
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 4
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 4
- 238000003723 Smelting Methods 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 239000001488 sodium phosphate Substances 0.000 claims description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims description 2
- 235000019353 potassium silicate Nutrition 0.000 claims description 2
- 239000005368 silicate glass Substances 0.000 claims description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 235000019241 carbon black Nutrition 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 235000017550 sodium carbonate Nutrition 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 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 3
- 239000002253 acid Substances 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000002910 solid waste Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 241000784726 Lycaena thetis Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 1
- 239000011358 absorbing material 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
- 238000013459 approach Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000013070 direct material Substances 0.000 description 1
- -1 electric power Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Abstract
The invention discloses a kind of nickel slag and fly ash foam glass and preparation method thereof, the nickel slag and fly ash foam glass is mainly as made by the raw material of following weight ratio：20~40 parts of nickel slag, 5~20 parts of flyash, 30~50 parts of cullet, 3~7 parts of foaming agent, 1~5 part of foam stabilizer, 1~5 part of fluxing agent.Relative to prior art, present invention gained foam glass has higher compression strength, disclosure satisfy that the resistance to compression demand of product, while its density is low, has a wide range of application；In addition, also relatively low thermal conductivity factor and water absorption rate, product overall performance are excellent.Raw materials used source is industrial solid castoff, both reduces cost, has saved natural resources again, has good economic benefit and environmental benefit.
Description
Technical field
The present invention relates to a kind of nickel slag and fly ash foam glass and preparation method thereof, belong to foam glass technical field.
Background technology
Nickel slag is the solid waste given off during non-ferrous metal nickel is produced, wherein containing SiO2、MgO、FeO、
Al2O3, CaO etc..At present, China produces more than 200 ten thousand tons of nickel fibers slag per year, and it is outdoor stockpiling mostly that it, which is handled, not only increases enterprise
Industry maintenance cost, more mainly destroy the environment and ecological resources of locality；It is to hold that it, which is comprehensively utilized, is allowed to turn waste into wealth
The requirement of supervention exhibition.The utilization of nickel slag is mainly in terms of cement concrete and materials for wall.Patent " a kind of nickel dreg concrete "
(201410250898.8), " a kind of abrasion-proof concrete for mixing nickel slag " (201410837489.8), a kind of nickel slag brick and its preparation
Method (201310230070.1) etc.；These methods can recycle nickel slag, but added value of product is low.Therefore, it is necessary to
Exploitation largely utilizes nickel slag and the high new product of added value of product.
Foam glass is a kind of high-quality insulation and sound-absorbing material for including countless openings or micro-bubble of remaining silent, and is had
Mechanical strength, good heat-proof quality, sound absorbing capabilities and the change that thermal conductivity factor is low, density is small, non-hygroscopic, easy to process, higher
The features such as learning stability, can be widely used in the adiabatic heat-insulation material in the fields such as oil, electric power, chemical industry, light industry, building and national defence
Material, there is the energy-saving material of broad prospect of application.A kind of titanium-containing blast furnace slag, which is disclosed, in patent CN 101306919A prepares foam
The method of glass, patent CN 101759346A disclose a kind of method that foam glass is prepared using waste silicon carbon material, patent
CN 103951261A disclose a kind of using golden copper tailing as foam glass material of main material and preparation method thereof.
Patent CN104891815 A disclose a kind of method that foam glass is prepared using high-temperature liquid state metallurgical cinder, with
The high-temperature liquid state metallurgical cinder of metallurgical smelting furnace discharge is direct material, although it makes use of slag and its waste heat, and
Product has higher compression strength, but its bulk density is larger, limits its application.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provides a kind of nickel slag and fly ash foam glass
Glass and preparation method thereof.
Technical scheme：To achieve the above object, the invention provides a kind of nickel slag and fly ash foam glass, its mainly by with
Made by the raw material of lower weight ratio：
20~40 parts of nickel slag, 5~20 parts of flyash, 30~50 parts of cullet, 3~7 parts of foaming agent, 1~5 part of foam stabilizer,
1~5 part of fluxing agent.
Preferably, described nickel slag and fly ash foam glass is mainly as made by the raw material of following weight ratio：
20 parts of nickel slag, 20 parts of flyash, 50 parts of cullet, 4 parts of foaming agent, 3 parts of foam stabilizer, 3 parts of fluxing agent.
It is made as raw material of another preferred, the described nickel slag and fly ash foam glass mainly by following weight ratio
Into：
40 parts of nickel slag, 20 parts of flyash, 30 parts of cullet, 4 parts of foaming agent, 3 parts of foam stabilizer, 3 parts of fluxing agent.
As another kind preferably, the nickel slag is with SiO formed in smelting nickel process2, CaO, FeO, MgO be main
The solid slag of composition；The cullet is silicate glass, LED glass；The foaming agent be lime stone, carbon black, sodium carbonate,
One kind in sulfate and waterglass；The foam stabilizer is one kind in sodium phosphate, iron oxide, boric acid and tertiary sodium phosphate；It is described
Fluxing agent is one kind in prodan, borax and sodium sulphate.
As another kind preferably, the density of the foam glass is 120~360kg/m3, compression strength be 0.45~
2.8MPa, water absorption rate are less than 0.5%, and thermal conductivity factor is in the range of 0.04~0.12w/k.m.
Present invention also offers the preparation method of the nickel slag and fly ash foam glass, comprise the following steps：
(1) by after cullet clean dry, below 10mm is crushed to, nickel slag is crushed to below 5mm, standby；
(2) nickel slag, flyash, cullet, foaming agent, foam stabilizer and fluxing agent are weighed by formula, 20~50min of grinding is obtained
Mixture powder, cross 200 mesh sieves；
(3) by powder made from step (2), carry out shaking closely knit stripping and slicing processing；
(4) after step (3) processing, it is put into high temperature furnace, is handled, produced with certain heating and cooling process.
It is by the dust on cullet surface, soil, greasy dirt, organic preferably, cullet cleans in the step (1)
Chip is all handled totally；
As another kind preferably, the method for the closely knit stripping and slicing of step (3) vibrations is：Powder is put into inner side and scribbles the demoulding
In the high-temperature resistance die of agent, it is placed in shaking on bumper closely knit；Then the length of side such as use separates cutting knife, and the powder of ram-jolt is vertical
It is divided into some fritters；
As another kind preferably, certain heating and cooling process are in the step (4)：With 5~8 DEG C/min speed
By room temperature to 500 DEG C, 20~30min is incubated, then 850 DEG C~910 DEG C are risen to 10~15 DEG C/min programming rate, is protected
30~100min of temperature；Then, 600 DEG C or so are cooled to 15 DEG C/min speed, room temperature are naturally cooled to after being incubated 30min,
Produce.
Foam glass main material of the present invention is the solid waste such as nickel slag, flyash, cullet.The foam glass is burning
The powder of ram-jolt is divided into the squares of the length of sides such as some, powder being heated evenly unanimously everywhere, keeps away when ensure that sintering before knot
Exempt from heated fast, the middle heated slow deficiency of surrounding, be advantageous to the uniformity of foam glass sintering and the uniformity of foaming, so as to
It ensure that and contain relatively independent closed air bubbles and good globality in the foam glass, its density is small, and thermal conductivity factor is low, inhales
Water rate is small, the foam glass is had good thermal and insulating performance and water resistance, and the foam glass is more beneficial for saving energy
Source, realize that the resource recycling of solid waste utilizes；The foam glass is a kind of useless light material of profit simultaneously, extends work
The use approach of industry discarded object, both reduces cost, has saved natural resources again, meets the war of energy-saving and emission-reduction and sustainable development
Slightly.
Beneficial effect：Relative to prior art, present invention gained foam glass has higher compression strength, disclosure satisfy that
The resistance to compression demand of product, while its density is low, has a wide range of application；In addition, also relatively low thermal conductivity factor and water absorption rate, product are whole
Body excellent performance.Raw materials used source is industrial solid castoff, both reduces cost, has saved natural resources again, has
Good economic benefit and environmental benefit.
Embodiment
The present invention is further described with reference to embodiment.
Embodiment 1
Proportioning：The parts by weight of nickel slag 20, the parts by weight of flyash 20, the parts by weight of cullet 50, the parts by weight of carbon black 4, prodan 3
Parts by weight, the parts by weight of boric acid 3
Preparation method：
(1) below 10mm will after cullet clean dry, be crushed to, nickel slag is crushed to 5mm, standby；
(2) nickel slag, flyash, cullet, foaming agent, foam stabilizer and fluxing agent are weighed by formula, 20~50min of grinding is obtained
Mixture powder, cross 200 mesh sieves；
(3) by powder made from step (2), it is put into the high-temperature resistance die that inner side scribbles releasing agent, is placed in bumper
Upper vibrations are closely knit；
(4) with etc. the length of side separate cutting knife, by the powder vertical segmentation of step (3) ram-jolt into some fritters；
(5) by step (4), high-temperature resistance die is put into high temperature furnace afterwards, with 5 DEG C/min speed by room temperature to 500
DEG C, 30min is incubated, then 870 DEG C are risen to 10 DEG C/min programming rate, it is incubated 50min.Then, with 15 DEG C/min speed
600 DEG C or so are cooled to, room temperature is naturally cooled to after being incubated 30min, produces.
Embodiment 2
Proportioning：The parts by weight of nickel slag 40, the parts by weight of flyash 20, the parts by weight of cullet 30, the parts by weight of lime stone 4, the weight of borax 3
Measure part, the parts by weight of sodium phosphate 3
Preparation method：
(1) below 10mm will after cullet clean dry, be crushed to, nickel slag is crushed to 5mm, standby；
(2) nickel slag, flyash, cullet, foaming agent, foam stabilizer and fluxing agent are weighed by formula, 20~50min of grinding is obtained
Mixture powder, cross 200 mesh sieves；
(3) by powder made from step (2), it is put into the high-temperature resistance die that inner side scribbles releasing agent, is placed in bumper
Upper vibrations are closely knit；
(4) with etc. the length of side separate cutting knife, by the powder vertical segmentation of step (3) ram-jolt into some fritters；
(5) by step (4), high-temperature resistance die is put into high temperature furnace afterwards, with 5 DEG C/min speed by room temperature to 500
DEG C, 30min is incubated, then 870 DEG C are risen to 10 DEG C/min programming rate, it is incubated 50min.Then, with 15 DEG C/min speed
600 DEG C or so are cooled to, room temperature is naturally cooled to after being incubated 30min, produces.
Embodiment 3
Proportioning：The parts by weight of nickel slag 40, the parts by weight of flyash 20, the parts by weight of cullet 30, the parts by weight of sodium carbonate 4, fluosilicic acid
The parts by weight of sodium 3, the parts by weight of boric acid 3
Preparation method：
(1) below 10mm will after cullet clean dry, be crushed to, nickel slag is crushed to 5mm, standby；
(2) nickel slag, flyash, cullet, foaming agent, foam stabilizer and fluxing agent are weighed by formula, 20~50min of grinding is obtained
Mixture powder, cross 200 mesh sieves；
(3) by powder made from step (2), it is put into the high-temperature resistance die that inner side scribbles releasing agent, is placed in bumper
Upper vibrations are closely knit；
(4) with etc. the length of side separate cutting knife, by the powder vertical segmentation of step (3) ram-jolt into some fritters；
(5) by step (4), high-temperature resistance die is put into high temperature furnace afterwards, with 5 DEG C/min speed by room temperature to 500
DEG C, 30min is incubated, then 870 DEG C are risen to 10 DEG C/min programming rate, it is incubated 50min.Then, with 15 DEG C/min speed
600 DEG C or so are cooled to, room temperature is naturally cooled to after being incubated 30min, produces.
Embodiment 4
Proportioning：The parts by weight of nickel slag 20, the parts by weight of flyash 23, the parts by weight of cullet 50, the parts by weight of lime stone 4, fluosilicic acid
The parts by weight of sodium 1.5, the parts by weight of boric acid 1.5
Preparation method：
(1) below 10mm will after cullet clean dry, be crushed to, nickel slag is crushed to 5mm, standby；
(2) nickel slag, flyash, cullet, foaming agent, foam stabilizer and fluxing agent are weighed by formula, 20~50min of grinding is obtained
Mixture powder, cross 200 mesh sieves；
(3) by powder made from step (2), it is put into the high-temperature resistance die that inner side scribbles releasing agent, is placed in bumper
Upper vibrations are closely knit；
(4) with etc. the length of side separate cutting knife, by the powder vertical segmentation of step (3) ram-jolt into some fritters；
(5) by step (4), high-temperature resistance die is put into high temperature furnace afterwards, with 5 DEG C/min speed by room temperature to 500
DEG C, 30min is incubated, then 870 DEG C are risen to 10 DEG C/min programming rate, it is incubated 50min.Then, with 15 DEG C/min speed
600 DEG C or so are cooled to, room temperature is naturally cooled to after being incubated 30min, produces.
Embodiment 5
Proportioning：The parts by weight of nickel slag 31, the parts by weight of flyash 20, the parts by weight of cullet 40, the parts by weight of carbon black 7, prodan 1
Parts by weight, the parts by weight of boric acid 1
Preparation method：
(1) below 10mm will after cullet clean dry, be crushed to, nickel slag is crushed to 5mm, standby；
(2) nickel slag, flyash, cullet, foaming agent, foam stabilizer and fluxing agent are weighed by formula, 20~50min of grinding is obtained
Mixture powder, cross 200 mesh sieves；
(3) by powder made from step (2), it is put into the high-temperature resistance die that inner side scribbles releasing agent, is placed in bumper
Upper vibrations are closely knit；
(4) with etc. the length of side separate cutting knife, by the powder vertical segmentation of step (3) ram-jolt into some fritters；
(5) by step (4), high-temperature resistance die is put into high temperature furnace afterwards, with 5 DEG C/min speed by room temperature to 500
DEG C, 30min is incubated, then 870 DEG C are risen to 10 DEG C/min programming rate, it is incubated 50min.Then, with 15 DEG C/min speed
600 DEG C or so are cooled to, room temperature is naturally cooled to after being incubated 30min, produces.
Embodiment 6
Proportioning：The parts by weight of nickel slag 31, the parts by weight of flyash 20, the parts by weight of cullet 36, the parts by weight of lime stone 7, fluosilicic acid
The parts by weight of sodium 1, the parts by weight of borax 5
Preparation method：
(1) below 10mm will after cullet clean dry, be crushed to, nickel slag is crushed to 5mm, standby；
(2) nickel slag, flyash, cullet, foaming agent, foam stabilizer and fluxing agent are weighed by formula, 20~50min of grinding is obtained
Mixture powder, cross 200 mesh sieves；
(3) by powder made from step (2), it is put into the high-temperature resistance die that inner side scribbles releasing agent, is placed in bumper
Upper vibrations are closely knit；
(4) with etc. the length of side separate cutting knife, by the powder vertical segmentation of step (3) ram-jolt into some fritters；
(5) by step (4), high-temperature resistance die is put into high temperature furnace afterwards, with 5 DEG C/min speed by room temperature to 500
DEG C, 30min is incubated, then 870 DEG C are risen to 10 DEG C/min programming rate, it is incubated 50min.Then, with 15 DEG C/min speed
600 DEG C or so are cooled to, room temperature is naturally cooled to after being incubated 30min, produces.
Properties of foam glass obtained by experimental example preparation method of the present invention is investigated
The density of foam glass, compression strength, thermal conductivity factor and water absorption rate are surveyed according to the ordinary skill in the art
It is fixed, it as a result see the table below 1.
1 properties of foam glass of the present invention of table investigates result
It can be obtained by the result of upper table 1, present invention gained foam glass has higher compression strength, disclosure satisfy that the anti-of product
Pressure demand, while its density is low, has a wide range of application；In addition, also relatively low thermal conductivity factor and water absorption rate, product overall performance are excellent
It is different.
The invention is not limited in above example, principle that embodiment 1~6 is intended to be merely illustrative of the present and use
Illustrative embodiments, but for the ordinary skill in the art, in the case where not departing from the real situation of the present invention,
Various modifications and improvement can be made, these modifications and modification are also considered as protection scope of the present invention.
Claims (7)
1. a kind of nickel slag and fly ash foam glass, it is characterised in that it is mainly as made by the raw material of following weight ratio：
It is 20~40 parts of nickel slag, 5~20 parts of flyash, 30~50 parts of cullet, 3~7 parts of foaming agent, 1~5 part of foam stabilizer, fluxing
1~5 part of agent；The nickel slag is with SiO formed in smelting nickel process2, CaO, FeO, MgO be main component solid give up
Slag；The cullet is silicate glass, LED glass；The foaming agent is lime stone, carbon black, sodium carbonate, sulfate and water glass
One kind in glass；The foam stabilizer is one kind in sodium phosphate, iron oxide, boric acid；The fluxing agent be prodan, borax and
One kind in sodium sulphate；
The density of the foam glass is 120~360kg/m3, compression strength is 0.45~2.8MPa, and water absorption rate is less than 0.5%,
Thermal conductivity factor is in the range of 0.04~0.12w/k.m.
2. nickel slag and fly ash foam glass according to claim 1, it is characterised in that it is mainly by following weight ratio
Raw material made by：
20 parts of nickel slag, 20 parts of flyash, 50 parts of cullet, 4 parts of foaming agent, 3 parts of foam stabilizer, 3 parts of fluxing agent.
3. nickel slag and fly ash foam glass according to claim 1, it is characterised in that it is mainly by following weight ratio
Raw material made by：
40 parts of nickel slag, 20 parts of flyash, 30 parts of cullet, 4 parts of foaming agent, 3 parts of foam stabilizer, 3 parts of fluxing agent.
4. the preparation method of any one of the claim 1-3 nickel slag and fly ash foam glass, it is characterised in that including following step
Suddenly：
(1) by after cullet clean dry, below 10mm is crushed to, nickel slag is crushed to below 5mm, standby；
(2) nickel slag, flyash, cullet, foaming agent, foam stabilizer and fluxing agent are weighed by formula, 20~50min of grinding must be mixed
Thing powder, cross 200 mesh sieves；
(3) by powder made from step (2), carry out shaking closely knit stripping and slicing processing；
(4) after step (3) processing, it is put into high temperature furnace, is handled, produced with certain heating and cooling process.
5. the preparation method of nickel slag and fly ash foam glass according to claim 4, it is characterised in that the step (1)
Middle cullet cleaning, is all to handle the dust on cullet surface, soil, greasy dirt, organic debris totally.
6. the preparation method of nickel slag and fly ash foam glass according to claim 4, it is characterised in that the step (3)
The method for shaking closely knit stripping and slicing is：Powder is put into the high-temperature resistance die that inner side scribbles releasing agent, is placed in shaking on bumper
It is dynamic closely knit；Then with etc. the length of side separate cutting knife, by the powder vertical segmentation of ram-jolt into some fritters.
7. the preparation method of nickel slag and fly ash foam glass according to claim 4, it is characterised in that the step (4)
In certain heating and cooling process be：With 5~8 DEG C/min speed by room temperature to 500 DEG C, 20~30min is incubated, then
850 DEG C~910 DEG C are risen to 10~15 DEG C/min programming rate, is incubated 30~100min；Then, with 15 DEG C/min speed
600 DEG C or so are cooled to, room temperature is naturally cooled to after being incubated 30min, produces.
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| EP0484643A1 (en) * | 1990-11-05 | 1992-05-13 | Dennert Poraver GmbH | Use of certain waste glass for the production of foam glass articles |
| CN102381842A (en) * | 2010-08-31 | 2012-03-21 | 张露露 | Pulverized fuel ash foam glass and preparation method thereof |
| CN103708731A (en) * | 2013-12-30 | 2014-04-09 | 中国科学院过程工程研究所 | Nickel-slag porous microcrystalline material and preparation method thereof |
| CN104891815A (en) * | 2015-05-25 | 2015-09-09 | 东北大学 | Method for preparing foam glass by virtue of high-temperature liquid-state metallurgical clinker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0484643A1 (en) * | 1990-11-05 | 1992-05-13 | Dennert Poraver GmbH | Use of certain waste glass for the production of foam glass articles |
| CN102381842A (en) * | 2010-08-31 | 2012-03-21 | 张露露 | Pulverized fuel ash foam glass and preparation method thereof |
| CN103708731A (en) * | 2013-12-30 | 2014-04-09 | 中国科学院过程工程研究所 | Nickel-slag porous microcrystalline material and preparation method thereof |
| CN104891815A (en) * | 2015-05-25 | 2015-09-09 | 东北大学 | Method for preparing foam glass by virtue of high-temperature liquid-state metallurgical clinker |
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