CN103667692A - Combined fluorite powder palletizing adhesion agent and application thereof - Google Patents
Combined fluorite powder palletizing adhesion agent and application thereof Download PDFInfo
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- CN103667692A CN103667692A CN201410000621.XA CN201410000621A CN103667692A CN 103667692 A CN103667692 A CN 103667692A CN 201410000621 A CN201410000621 A CN 201410000621A CN 103667692 A CN103667692 A CN 103667692A
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- inorganic adhesive
- fluorspar powder
- supersaturated solution
- combined
- massfraction
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Links
- 239000010436 fluorite Substances 0.000 title claims abstract description 53
- 239000000843 powder Substances 0.000 title claims abstract description 50
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 32
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 title abstract description 13
- 238000005453 pelletization Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 16
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011734 sodium Substances 0.000 claims abstract description 10
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 10
- 229920000881 Modified starch Polymers 0.000 claims abstract description 8
- 239000001341 hydroxy propyl starch Substances 0.000 claims abstract description 8
- 229920013818 hydroxypropyl guar gum Polymers 0.000 claims abstract description 8
- 235000013828 hydroxypropyl starch Nutrition 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 230000001070 adhesive effect Effects 0.000 claims description 52
- 239000011230 binding agent Substances 0.000 claims description 52
- 239000000853 adhesive Substances 0.000 claims description 51
- 239000000243 solution Substances 0.000 claims description 38
- 239000003999 initiator Substances 0.000 claims description 13
- LVHBHZANLOWSRM-UHFFFAOYSA-N itaconic acid Chemical compound OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims description 12
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 10
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 10
- 229920003109 sodium starch glycolate Polymers 0.000 claims description 10
- 229940079832 sodium starch glycolate Drugs 0.000 claims description 10
- 239000008109 sodium starch glycolate Substances 0.000 claims description 10
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group 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 description 9
- 238000000034 method Methods 0.000 claims description 9
- 235000019353 potassium silicate Nutrition 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 239000004160 Ammonium persulphate Substances 0.000 claims description 6
- 239000011837 N,N-methylenebisacrylamide Substances 0.000 claims description 6
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 6
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims description 6
- 229920002401 polyacrylamide Polymers 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- -1 Vltra tears Substances 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000004115 Sodium Silicate Substances 0.000 abstract description 5
- 229910052911 sodium silicate Inorganic materials 0.000 abstract description 5
- 235000019795 sodium metasilicate Nutrition 0.000 abstract description 3
- 239000008188 pellet Substances 0.000 abstract description 2
- 229920002472 Starch Polymers 0.000 abstract 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 abstract 1
- 239000001768 carboxy methyl cellulose Substances 0.000 abstract 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 abstract 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 abstract 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 abstract 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 abstract 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 abstract 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 abstract 1
- 239000008107 starch Substances 0.000 abstract 1
- 235000019698 starch Nutrition 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000012047 saturated solution Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000002893 slag Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to a combined fluorite powder palletizing adhesion agent and application thereof. The combined fluorite powder palletizing adhesion agent is formed by an organic bond and supersaturated solution of an inorganic bond. The mass fraction of the organic bond is 15 percent to 20 percent, and the mass fraction of the supersaturated solution of the inorganic bond is 80 percent to 85 percent. The organic bond is one of or a mixture of two more of sodium carboxymethylcellulose, sodium carboxymethyl starch, hydroxypropyl methyl cellulose, hydroxypropyl starch ether, hydroxypropyl guar gum, pregelatinized starch, redispersion rubber powder and polyving akohol; and the inorganic bond in the supersaturated solution of the inorganic bond is one of sodium metasilicate and sodium silicate, and has the mass fraction of 50 percent to 60 percent. The water content of a wetted bulb of a fluorite powder pellet produced by utilizing the technical scheme is 5 percent to 10 percent, the pelletization rate is more than 96 percent, the breakage rate is 1 percent to 1.5 percent, and the compressive strength of a finished ball is good.
Description
Technical field
The invention belongs to STEELMAKING PRODUCTION field, be specifically related to a kind of tackiness agent for the Fluorspar Powder balling-up of colding pressing and in the application of Fluorspar Powder cold pressing forming process.
Background technology
Natural Fluorite is fusing assistant important in smelting iron and steel, and it can reduce slag melting, improves slag fluidity, strengthens the surface reaction ability between molten steel and slag, improves dephosphorization, desulfuration efficiency, is one of furnace charge indispensable in smelting technology.One ton of iron of every melting, needs 6～9 kilograms, fluorite according to statistics, and one ton of steel of every production, needs 2～9 kilograms, fluorite.In recent years, higher-grade fluorite raw ore is exploited in a large number, and reserves constantly reduce, and can not meet smelter demand, and hold at high price, cause steel-making cost to rise, industry is used Fluorspar Powder one after another instead, but metallurgy industry is limited by technology condition, Fluorspar Powder can not be applied directly into stove by steel mill, fine ore pressure ball technology is operated and is given birth to, and fluorite cold-curing pelletizing has successfully been used by smelter, substantially replaces lump ore.
Fluorspar Powder pelletizing binder is that Fluorspar Powder solidifies the important source material in balling technique, often use in the market sodium metasilicate solution, commercial water glass, water soluble phenolic glue as Fluorspar Powder pelletizing binder, in general, use organic tackiness agent, but the high poor heat stability of product physical strength, water-repellancy are poor; Use inorganic adhesive, when colloid solid content meets the demands, tend to cause wet bulb moisture large, affect physical strength, the percentage of damage of the finished product, and inorganic adhesive add the ash content that has increased product, add the grade that too much can affect Fluorspar Powder pelletizing.The production of Fluorspar Powder pelletizing is also relevant with its production technique, and the Fluorspar Powder pelletizing ubiquity wet bulb initial strength of producing is at present poor, and balling ratio is low, the problem that finished ball percentage of damage is high.
Summary of the invention
The present invention is directed to deficiency of the prior art, a kind of combined Fluorspar Powder pelletizing binder that comprises organic binder bond and inorganic adhesive is provided, and the application of described Fluorspar Powder pelletizing binder is provided.
Technical scheme of the present invention: a kind of combined Fluorspar Powder pelletizing binder, supersaturated solution two portions by organic binder bond and inorganic adhesive form, its massfraction is: described organic binder bond 15%-20%, the supersaturated solution 80%-85% of described inorganic adhesive; Described organic binder bond is one or more the mixture in Xylo-Mucine, sodium starch glycolate, Vltra tears, hydroxypropyl starch ether, hydroxypropylguar gum, pre-gelatinized starch, re-dispersible glue powder, polyvinyl alcohol; The supersaturated solution of described inorganic adhesive be the aqueous solution forming in being scattered in water by described inorganic adhesive, solidifying agent, initiator and linking agent at 35 ℃ of-60 ℃ of temperature, described inorganic adhesive is a kind of in Starso and water glass, and the massfraction of described inorganic adhesive is 50%-60%.
Further, solidifying agent described in the supersaturated solution of described inorganic adhesive is Sodium Silicofluoride, and described initiator is a kind of in ammonium persulphate and methylene-succinic acid, and described linking agent is a kind of in N,N methylene bis acrylamide and polyacrylamide; Massfraction in described inorganic adhesive supersaturated solution is: described solidifying agent 1.5%-2.5%, described initiator 0.3%-0.4%, described linking agent 0.5%-0.6%.
Described organic binder bond component and a kind of of massfraction are chosen as: described Vltra tears 30%-70%, described hydroxypropyl starch ether 30%-70%.
Another of described organic binder bond component and massfraction is chosen as: Xylo-Mucine 10%-40%, sodium starch glycolate 20%-60%, hydroxypropylguar gum 20%-60%.
Another of described organic binder bond component and massfraction is chosen as: Vltra tears 10%-40%, sodium starch glycolate 20%-60%, polyvinyl alcohol 20%-60%.
The another kind of described organic binder bond component and massfraction is chosen as: described organic binder bond component and massfraction are: Vltra tears 5%-25%, pre-gelatinized starch 30%-60%, polyvinyl alcohol 15%-45%.
The application of combined Fluorspar Powder pelletizing binder in Fluorspar Powder cold pressing forming process, comprises the steps:
(1) Fluorspar Powder is added to stirrer, moisture content 0.6%-2.2% in described Fluorspar Powder, add organic binder bond, be uniformly mixed 2-10 minute, described organic binder bond is one or more the mixture in Xylo-Mucine, sodium starch glycolate, Vltra tears, hydroxypropyl starch ether, hydroxypropylguar gum, pre-gelatinized starch, re-dispersible glue powder, polyvinyl alcohol;
(2) add inorganic adhesive supersaturated solution, control massfraction≤5 that organic binder bond and the total add-on of inorganic adhesive supersaturated solution account for total raw material amount, stir, send into chilling press compacting balling-up, the supersaturated solution of described inorganic adhesive be the aqueous solution forming in being scattered in water by described inorganic adhesive, solidifying agent, initiator and linking agent at 35 ℃ of-60 ℃ of temperature, described inorganic adhesive is a kind of in Starso and water glass, and the massfraction of described inorganic adhesive is 50%-60%;
(3) send into loft drier, 150 ℃-200 ℃, dry 30-60 minute.
Further, described in the supersaturated solution of described inorganic adhesive, solidifying agent is selected Sodium Silicofluoride, and described initiator selects a kind of in ammonium persulphate and methylene-succinic acid, described linking agent to select a kind of in N,N methylene bis acrylamide and polyacrylamide; While preparing described inorganic adhesive supersaturated solution, control massfraction is: described solidifying agent 1.5%-2.5%, described initiator 0.3%-0.4%, described linking agent 0.5%-0.6%.
Preferably, described organic binder bond granular size attrition process is to 600-1200 order.
The solution of the present invention, selects organic binder bond and inorganic adhesive supersaturated solution to be used in conjunction with, and before using, organic binder bond and inorganic adhesive supersaturated solution are two portions separately.Normally used sodium metasilicate solution and sodium silicate solution, comprise commercially available water glass, and its solute massfraction is less than 50%, does not reach the requirement of inorganic adhesive supersaturated solution in the present invention.The preparation method of the supersaturated solution of inorganic adhesive is: inorganic adhesive and solidifying agent Sodium Silicofluoride are added to the water, Heating temperature arrives 60 ℃, stirs it is all dissolved, and then adds described initiator and described linking agent, stir and form after single solution, heat preservation for standby use.Solution is used and keeps 35 ℃-40 ℃ of temperature, otherwise can produce recrystallize, heats to 50 ℃ while there is recrystallize, and crystallization disappears.
Beneficial effect: the organic binder bond of 1, selecting, the effect that has bonding, thickening and dredge moisture, can increase the interparticle Jiao Qiao of Fluorspar Powder, strengthen the physical strength of Fluorspar Powder pelletizing wet bulb, technological operation is more simple, be conducive to scale operation, improve the physical strength of balling ratio and finished product simultaneously.
2, utilize the massfraction 50%-60% of the supersaturated solution-inorganic adhesive of inorganic adhesive, adhesive effect is not well brought again excess moisture into, and the water content of wet bulb is controlled in 5%-10%.
3, tackiness agent adds the grade that too much has a strong impact on Fluorspar Powder pelletizing, uses organic binder bond and inorganic adhesive to be used in conjunction with, guaranteeing under the prerequisite of bonding quality, and the total amount of being added into≤5%, product ash content is few, and grade is higher.
4, balling ratio is more than 96%, wet bulb list ball ultimate compression strength 150-200N, anti-drop intensity >=2 meter, finished ball water content 2%, percentage of damage 1%-1.5%, finished ball list ball ultimate compression strength 1500N ± 100, anti-drop intensity >=10 meter.
Embodiment
Below to utilize a kind of combined Fluorspar Powder pelletizing of the present invention and be applied in illustrating in Fluorspar Powder pellet formation.
Embodiment mono-
Fluorite fine ore: 500kg water content 1%; Organic binder bond (weight ratio): Vltra tears and hydroxypropyl starch ether respectively 50% all mix, and Ultrafine Grinding is machined to 600-1200 order.
Inorganic adhesive saturated solution: 120kg Starso, 5kg Sodium Silicofluoride are joined in 100kg water, heated and stirred in high speed dispersor, makes supersaturated solution, 60 ℃ of Heating temperatures, after all dissolving, add methylene-succinic acid 0.8kg, polyacrylamide 1.2kg, stop heating and thermal insulation stand-by.
Fluorspar Powder is added to stirrer, add organic binder bond 5kg, be uniformly mixed 3 minutes, then add the inorganic adhesive supersaturated solution 20kg of preparation, stir, send into chilling press compacting balling-up; Wet bulb is sent into loft drier, and 200 ℃, dry 40 minutes.
Effect: wet bulb water content 10%, wet bulb list ball ultimate compression strength 150N-200N; Anti-drop intensity >=2 meter; Balling ratio 97%; Finished ball water content 2%; Pelletizing crushing strength 1500N ± 100N; Anti-drop intensity >=10 meter.
Embodiment bis-
Fluorite fine ore: 500kg water content 1%; Organic binder bond (weight ratio): Xylo-Mucine 20%, sodium starch glycolate 40%, hydroxypropylguar gum 40% 3 raw material is all mixed, and Ultrafine Grinding is machined to 600-1200 order.
Inorganic adhesive saturated solution: 120kg Starso, 5kg Sodium Silicofluoride are joined in 100kg water, heated and stirred in high speed dispersor, makes supersaturated solution, 60 ℃ of Heating temperatures, after all dissolving, add methylene-succinic acid 0.8kg, polyacrylamide 1.2kg, stop heating and thermal insulation stand-by.
Fluorspar Powder is added to stirrer, add organic binder bond 4kg, be uniformly mixed 3 minutes, then add the inorganic adhesive supersaturated solution 19kg of preparation, stir, send into chilling press compacting balling-up; Wet bulb is sent into loft drier, and 200 ℃, dry 40 minutes.
Effect: wet bulb water content 9%, wet bulb list ball ultimate compression strength 150N-200N; Anti-drop intensity >=2 meter; Balling ratio 97%; Finished ball water content 2%; Single ball ultimate compression strength 1500N ± 100N; Anti-drop intensity >=10 meter.
Embodiment tri-
Fluorite fine ore: 500kg water content 1%; Organic binder bond (weight ratio): Vltra tears 20%, sodium starch glycolate 40%, polyvinyl alcohol 40% 3 raw material is all mixed, and Ultrafine Grinding is machined to 600-1200 order.
Inorganic adhesive saturated solution: 120kg water glass, 5kg Sodium Silicofluoride are joined in 100kg water, heated and stirred in high speed dispersor, make supersaturated solution, 60 ℃ of Heating temperatures, after all dissolving, add ammonium persulphate 0.8kg, N, N-methylene-bisacrylamide 1.2kg, stops heating and thermal insulation stand-by.
Fluorspar Powder is added to stirrer, add organic binder bond 4kg, be uniformly mixed 3 minutes, then add the inorganic adhesive supersaturated solution 19kg of described preparation, stir, send into chilling press compacting balling-up; Wet bulb is sent into loft drier, and 200 ℃, dry 40 minutes.
Effect: wet bulb water content 9%, wet bulb list ball ultimate compression strength 150N-200N; Anti-drop intensity >=2 meter; Balling ratio 97%; Finished ball water content 2%; Percentage of damage 1%-1.5%; Single ball ultimate compression strength 1500N ± 100N; Anti-drop intensity >=10 meter.
Embodiment tetra-
Fluorite fine ore: 500kg water content 1%; Organic binder bond (weight ratio): Vltra tears 5-15%, pre-gelatinized starch 30-60%, polyvinyl alcohol 10-35% tri-raw materials are all mixed, and Ultrafine Grinding is machined to 600-1200 order.
Inorganic adhesive saturated solution: 120kg water glass, 5kg Sodium Silicofluoride are joined in 100kg water, heated and stirred in high speed dispersor, make supersaturated solution, 60 ℃ of Heating temperatures, after all dissolving, add ammonium persulphate 0.8kg, N, N-methylene-bisacrylamide 1.2kg, stops heating and thermal insulation stand-by.
Fluorspar Powder is added to stirrer, add organic binder bond 4kg, be uniformly mixed 3 minutes, then add the inorganic adhesive supersaturated solution 19kg of described preparation, stir, send into chilling press compacting balling-up; Wet bulb is sent into loft drier, and 200 ℃, dry 40 minutes.
Effect: wet bulb water content 9%, wet bulb list ball ultimate compression strength 150N-200N; Anti-drop intensity >=2 meter; Balling ratio 97%; Finished ball water content 2%; Percentage of damage 1%-1.5%; Single ball ultimate compression strength 1500N ± 100N; Anti-drop intensity >=10 meter.
Claims (9)
1. a combined Fluorspar Powder pelletizing binder, is comprised of supersaturated solution two portions of organic binder bond and inorganic adhesive, and its massfraction is: described organic binder bond 15%-20%, the supersaturated solution 80%-85% of described inorganic adhesive;
Described organic binder bond is one or more the mixture in Xylo-Mucine, sodium starch glycolate, Vltra tears, hydroxypropyl starch ether, hydroxypropylguar gum, pre-gelatinized starch, re-dispersible glue powder, polyvinyl alcohol;
The supersaturated solution of described inorganic adhesive be the aqueous solution forming in being scattered in water by described inorganic adhesive, solidifying agent, initiator and linking agent at 35 ℃ of-60 ℃ of temperature, described inorganic adhesive is a kind of in Starso and water glass, and the massfraction of described inorganic adhesive is 50%-60%.
2. a kind of combined Fluorspar Powder pelletizing binder as claimed in claim 1, it is characterized in that: solidifying agent described in the supersaturated solution of described inorganic adhesive is Sodium Silicofluoride, described initiator is a kind of in ammonium persulphate and methylene-succinic acid, described linking agent is a kind of in N,N methylene bis acrylamide and polyacrylamide; Massfraction in described inorganic adhesive supersaturated solution is: described solidifying agent 1.5%-2.5%, described initiator 0.3%-0.4%, described linking agent 0.5%-0.6%.
3. a kind of combined Fluorspar Powder pelletizing binder as claimed in claim 1 or 2, described organic binder bond component and massfraction are: described Vltra tears 30%-70%, described hydroxypropyl starch ether 30%-70%.
4. a kind of combined Fluorspar Powder pelletizing binder as claimed in claim 1 or 2, described organic binder bond component and massfraction are: described Xylo-Mucine 10%-40%, described sodium starch glycolate 20%-60%, described hydroxypropylguar gum 20%-60%.
5. a kind of combined Fluorspar Powder pelletizing binder as claimed in claim 1 or 2, described organic binder bond component and massfraction are: described Vltra tears 10%-40%, described sodium starch glycolate 20%-60%, described polyvinyl alcohol 20%-60%.
6. a kind of combined Fluorspar Powder pelletizing binder as claimed in claim 1 or 2, described organic binder bond component and massfraction are: described Vltra tears 5%-25%, described pre-gelatinized starch 30%-60%, described polyvinyl alcohol 15%-45%.
7. the application of combined Fluorspar Powder pelletizing binder in Fluorspar Powder cold pressing forming process, comprises the steps:
(1) Fluorspar Powder is added to stirrer, moisture content 0.6%-2.2% in described Fluorspar Powder, add organic binder bond, be uniformly mixed 2-10 minute, described organic binder bond is one or more the mixture in Xylo-Mucine, sodium starch glycolate, Vltra tears, hydroxypropyl starch ether, hydroxypropylguar gum, pre-gelatinized starch, re-dispersible glue powder, polyvinyl alcohol;
(2) add inorganic adhesive supersaturated solution; control massfraction≤5 that organic binder bond and the total add-on of inorganic adhesive supersaturated solution account for total raw material amount; stir; send into chilling press compacting balling-up; the supersaturated solution of described inorganic adhesive be the aqueous solution forming in being scattered in water by described inorganic adhesive, solidifying agent, initiator and linking agent at 35 ℃ of-60 ℃ of temperature; described inorganic adhesive is a kind of in Starso and water glass, and the massfraction of described inorganic adhesive is 50%-60%;
(3) send into loft drier, 150 ℃-200 ℃, dry 30-60 minute.
8. the application of a kind of combined Fluorspar Powder pelletizing binder as claimed in claim 7 in Fluorspar Powder cold pressing forming process, it is characterized in that: solidifying agent described in the supersaturated solution of described inorganic adhesive is Sodium Silicofluoride, described initiator is a kind of in ammonium persulphate and methylene-succinic acid, described linking agent is a kind of in N,N methylene bis acrylamide and polyacrylamide; Massfraction in described inorganic adhesive supersaturated solution is: described solidifying agent 1.5%-2.5%, described initiator 0.3%-0.4%, described linking agent 0.5%-0.6%.
9. the application of a kind of combined Fluorspar Powder pelletizing binder in Fluorspar Powder cold pressing forming process as claimed in claim 7 or 8, described organic binder bond granular size attrition process is to 600-1200 order.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410000621.XA CN103667692B (en) | 2014-01-02 | 2014-01-02 | A kind of combined Fluorspar Powder pelletizing binder and application thereof |
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| CN201410000621.XA CN103667692B (en) | 2014-01-02 | 2014-01-02 | A kind of combined Fluorspar Powder pelletizing binder and application thereof |
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| CN109311749A (en) * | 2016-06-20 | 2019-02-05 | 高性能聚乙烯有限责任公司 | The enhancing binder with cementing agent material is granulated for iron ore |
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| CN112359204A (en) * | 2020-11-06 | 2021-02-12 | 佩思国际科贸(北京)有限公司 | Cold-pressed pellet adhesive, cold-pressed pellet and preparation method of cold-pressed pellet |
| WO2021234759A1 (en) * | 2020-05-18 | 2021-11-25 | 日本製鉄株式会社 | Method for producing agglomerated material, and agglomerated material |
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| CN109136450A (en) * | 2018-10-23 | 2019-01-04 | 攀钢集团攀枝花钢铁研究院有限公司 | The preparation method of binder and preparation method thereof and vanadium-raising cooling agent |
| CN109395886A (en) * | 2018-11-27 | 2019-03-01 | 江西理工大学 | A kind of depressing agent and its preparation method and application |
| WO2021234759A1 (en) * | 2020-05-18 | 2021-11-25 | 日本製鉄株式会社 | Method for producing agglomerated material, and agglomerated material |
| CN112359204A (en) * | 2020-11-06 | 2021-02-12 | 佩思国际科贸(北京)有限公司 | Cold-pressed pellet adhesive, cold-pressed pellet and preparation method of cold-pressed pellet |
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