CN109369142A - The anti-sticking spray paint of steel slag tank and its preparation and application - Google Patents

The anti-sticking spray paint of steel slag tank and its preparation and application Download PDF

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Publication number
CN109369142A
CN109369142A CN201811474955.5A CN201811474955A CN109369142A CN 109369142 A CN109369142 A CN 109369142A CN 201811474955 A CN201811474955 A CN 201811474955A CN 109369142 A CN109369142 A CN 109369142A
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CN
China
Prior art keywords
steel slag
spray paint
slag tank
ingredient
sticking spray
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Pending
Application number
CN201811474955.5A
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Chinese (zh)
Inventor
卓胜
陈涛
黎光正
毛朋
张远春
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Panzhihua Gangcheng Group Co Ltd
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Panzhihua Gangcheng Group Co Ltd
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Priority to CN201811474955.5A priority Critical patent/CN109369142A/en
Publication of CN109369142A publication Critical patent/CN109369142A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/34—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
    • C04B28/344—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders the phosphate binder being present in the starting composition solely as one or more phosphates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482—Coating or impregnation materials
    • C04B2111/00525—Coating or impregnation materials for metallic surfaces

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Products (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

The invention belongs to technical field of refractory materials, and in particular to a kind of anti-sticking spray paint of steel slag tank and its preparation and application.Aiming at the problem that existing slag ladle manner of cleaning up easily causes tank mouth damage, increases production cost, the present invention provides a kind of anti-sticking spray paint of steel slag tank, composition includes: A ingredient and B component；A ingredient by weight percentage, dolomite 40~70%, clay 8~15%, bentonite 15~20%, class graphite 5~15%, silicon powder 2~6%；B component is the calgon for accounting for 0.1~0.6wt% of A ingredient and the calcium lignosulfonate for accounting for 0.1~1wt% of A ingredient.The present invention gives the preparation and application of above-mentioned coating, the coating adhesive rate is high, easily disintegrates, steel slag, which can be effectively reduced, for steel slag tank glues tank phenomenon, it improves and once turns over packet success rate, avoid the scarfing cinder damage caused by equipment in the process, production cost is reduced, the production efficiency of equipment is improved.

Description

The anti-sticking spray paint of steel slag tank and its preparation and application
Technical field
The invention belongs to technical field of refractory materials, and in particular to a kind of anti-sticking spray paint of steel slag tank and its make and use Method.
Background technique
Converter smelting steel slag pours into slag ladle, and when liquid steel slag process of setting can adhere on slag ladle wall, it is difficult to pour out, lead to steel Slag ladle is unable to automatic turning slag, needs to carry out post-processing.Currently, the post-processing to steel slag tank predominantly slings slag ladle in block of wood Upper frequent impact pours steel slag from slag ladle.So operation will lead to driving abrasion track and slag ladle tank mouth is rolled up The damage such as side, deformation, cracking increases slag ladle consumption, to improve production cost, and is easy to cause slag ladle turnover insufficient, shadow Ring production.
Summary of the invention
The technical problem to be solved in the present invention are as follows: existing slag ladle manner of cleaning up easily causes tank mouth damage, increases production cost The problem of.
The technical solution of present invention solution above-mentioned technical problem are as follows: a kind of anti-sticking spray paint of steel slag tank is provided.The spray paint Composition include: A ingredient and B component；A ingredient by weight percentage, dolomite 40~70%, clay 8~15%, bentonite 15~20%, class graphite 5~15%, silicon powder 2~6%；B component be account for 0.1~0.6wt% of A ingredient calgon and Account for the calcium lignosulfonate of 0.1~1wt% of A ingredient.
Preferably, the composition of the anti-sticking spray paint of above-mentioned steel slag tank includes: A ingredient and B component；A ingredient is percentage by weight Than meter, dolomite 60%, clay 14%, bentonite 18%, class graphite 6%, silicon powder 2%；B component is to account for A ingredient 0.2% Calgon and account for 0.4% calcium lignosulfonate of A ingredient.
Wherein, in the anti-sticking spray paint of above-mentioned steel slag tank, the raw material particle size≤0.088mm.
Wherein, in the anti-sticking spray paint of above-mentioned steel slag tank, the dolomite is the dolomite of MgO >=18wt%.
Wherein, in the anti-sticking spray paint of above-mentioned steel slag tank, the clay is SiO2>=30wt%, Fe2O3≤ 2.0wt%'s Clay.Further, clay refractoriness >=1670 DEG C, igloss≤16%, plasticity index >=3.5.
Wherein, in the anti-sticking spray paint of above-mentioned steel slag tank, the bentonite is SiO2>=60wt%, Al2O3>=15wt%, Fe2O3The bentonite of≤6.0wt%.
Wherein, in the anti-sticking spray paint of above-mentioned steel slag tank, the silicon powder is Al2O3≤ 1.5wt%, SiO2>=90wt% Silicon powder.
Wherein, in the anti-sticking spray paint of above-mentioned steel slag tank, the calgon and calcium lignosulfonate are technical grade.
The present invention also provides a kind of preparation methods of above-mentioned anti-sticking spray paint of steel slag tank, comprising the following steps:
Weigh by weight ratio dolomite 40~70%, clay 8~15%, bentonite 15~20%, class graphite 5~ 15%, silicon powder 2~6%, then weigh the wood of the calgon and 0.1~1% that account for above-mentioned raw materials total weight 0.1~0.6% Quality sulfoacid calcium is milled to partial size≤0.088mm, mixes, obtains the anti-sticking spray paint of steel slag tank.
The present invention also provides a kind of application methods of above-mentioned anti-sticking spray paint of steel slag tank, comprising the following steps:
The water of raw material gross weight 40~60% will be added in the anti-sticking spray paint of steel slag tank, stirs into slurry, set using spraying For standby even application in steel slag tank, coating thickness is 2~8mm.
The invention has the benefit that
The present invention provides a kind of anti-sticking spray paints of steel slag tank, by the mutual cooperation of each raw material, so that the coating adheres to Rate is high, and the loss of material is small when spraying, is formed by spray coating and slag ladle inner wall all has a good binding performance, and intensity compared with It is high.Coating of the invention and converter slag binding force are small, as coating through being sprayed at the position of the easily dry slag such as steel slag tank body, can keep away Exempt from the scarfing cinder damage caused by equipment in the process, save the cost.The present invention gives the preparation and application of the coating, behaviour It is all very simple to make process, steel slag tank can play a very good protection after spraying, and slag ladle disposably turns over slag success rate and exists 99.7% or more, to improve the production efficiency of equipment, reduce production cost.
Specific embodiment
The present invention provides a kind of anti-sticking spray paint of steel slag tank, composition includes: A ingredient and B component；A ingredient by weight hundred Divide than meter, dolomite 40~70%, clay 8~15%, bentonite 15~20%, class graphite 5~15%, silicon powder 2~6%；B Ingredient is the calgon for accounting for 0.1~0.6wt% of A ingredient and the calcium lignosulfonate for accounting for 0.1~1wt% of A ingredient.
Preferably, the composition of the anti-sticking spray paint of above-mentioned steel slag tank includes: A ingredient and B component；A ingredient is percentage by weight Than meter, dolomite 60%, clay 14%, bentonite 18%, class graphite 6%, silicon powder 2%；B component is to account for A ingredient 0.2% Calgon and account for 0.4% calcium lignosulfonate of A ingredient.
In the raw materials for production of the anti-sticking spray paint of steel slag tank of the present invention, dolomite can decompose at high temperature generates a large amount of gas Body makes short texture in reaction zone, convenient for turning over slag；Clay, bentonite play as bonding agent, it is ensured that spray paint can firmly glue Company and tank skin；Class graphite provides high-melting-point object phase for material, increases product etch resistant properties；Silicon powder can reduce moisture dosage, Increase product viscosity, calgon, calcium lignosulfonate are dispersing agent and surfactant, it can be ensured that spray paint is in outstanding Floating state, avoids material layering.
The present invention determines the suitable proportion of every kind of raw material, finally makes steel slag tank by reasonably matching above-mentioned raw materials Anti-sticking spray paint has resistance to slag good；High temperature resistant, slag ladle easily peel off；The characteristic having good workability.After spray paint adds water and stirs It is not easy to be layered, it is easy to use.
Wherein, in the anti-sticking spray paint of above-mentioned steel slag tank, to ensure homogeneity of ingredients and convenient for spraying, the raw material particle size ≤ 0.088mm.
Wherein, in the anti-sticking spray paint of above-mentioned steel slag tank, the dolomite is the dolomite of standard MgO >=18wt%.
Wherein, in the anti-sticking spray paint of above-mentioned steel slag tank, the clay is SiO2>=30wt%, Fe2O3≤ 2.0wt%'s Clay.Further, clay refractoriness >=1670 DEG C, igloss≤16%, plasticity index >=3.5.
Wherein, in the anti-sticking spray paint of above-mentioned steel slag tank, the bentonite is SiO2>=60wt%, Al2O3>=15wt%, Fe2O3The bentonite of≤6.0wt%.
Wherein, in the anti-sticking spray paint of above-mentioned steel slag tank, the silicon powder ferroalloy byproduct, main indicator Al2O3≤ 1.5wt%, SiO2The silicon powder of >=90wt%.
Wherein, in the anti-sticking spray paint of above-mentioned steel slag tank, the calgon and calcium lignosulfonate are technical grade.
The present invention also provides a kind of preparation methods of above-mentioned anti-sticking spray paint of steel slag tank, comprising the following steps:
Weigh by weight ratio dolomite 40~70%, clay 8~15%, bentonite 15~20%, class graphite 5~ 15%, silicon powder 2~6%, then weigh the wood of the calgon and 0.1~1% that account for above-mentioned raw materials total weight 0.1~0.6% Quality sulfoacid calcium is milled to partial size≤0.088mm, mixes, obtains the anti-sticking spray paint of steel slag tank.
The present invention also provides a kind of application methods of above-mentioned anti-sticking spray paint of steel slag tank, comprising the following steps:
The water of raw material gross weight 40~60% will be added in the anti-sticking spray paint of steel slag tank, stirs into slurry, set using spraying For standby even application in steel slag tank, coating thickness is 2~8mm.
Explanation will be further explained to a specific embodiment of the invention by embodiment below, but do not indicated this The protection scope of invention is limited in range described in embodiment.
The raw materials such as dolomite as described in the examples are ordinary commercial products.
Embodiment 1 sprays steel slag tank using the anti-sticking spray paint of steel slag tank of the present invention
Coating composition are as follows: dolomite 55%, clay 19%, bentonite 12%, class graphite 11%, silicon powder 3%, six inclined phosphorus Sour sodium 0.25% (additional) and calcium lignosulfonate 0.5% (additional).
Wherein, content of MgO 19.86% in dolomite；Clay SiO2Content 32.78%, 1689 DEG C of clay refractoriness, igloss 12%, plasticity index 3.65；Bentonite SiO2Content 62.36%, Al2O3Content 19.34wt%；Silicon powder SiO2Content 92.14%.
Above-mentioned raw materials are milled to partial size≤0.088mm, are mixed, the anti-sticking spray paint of steel slag tank is obtained, raw material gross weight is added The water of amount 40~60%, stirs into slurry, and using spraying equipment even application in steel slag tank, coating thickness is 2~8mm.
Treated that steel slag tank disposably turns over that slag success rate is 97.18% for embodiment 1.
Embodiment 2 sprays steel slag tank using the anti-sticking spray paint of steel slag tank of the present invention
Coating composition are as follows: dolomite 61%, clay 16%, bentonite 10%, class graphite 9%, silicon powder 4%, six inclined phosphorus Sour sodium 0.1~0.6% (additional) and calcium lignosulfonate 0.1~1% (additional).
Wherein, content of MgO 20.14% in dolomite；Clay SiO2Content 31.54%, 1691 DEG C of clay refractoriness, igloss 11.02%, plasticity index 3.62；Bentonite SiO2Content 61.47%, Al2O3Content 18.68%；Silicon powder SiO2Content 91.36%.
Above-mentioned raw materials are milled to partial size≤0.088mm, are mixed, the anti-sticking spray paint of steel slag tank is obtained, raw material gross weight is added The water of amount 40~60%, stirs into slurry, and using spraying equipment even application in steel slag tank, coating thickness is 2~8mm.
Treated that steel slag tank disposably turns over that slag success rate is 98.04% for embodiment 2.
Embodiment 3 sprays steel slag tank using the anti-sticking spray paint of steel slag tank of the present invention
Coating composition are as follows:
Wherein, dolomite 65%, clay 12%, bentonite 12%, class graphite 8%, silicon powder 3%, calgon 0.20% (additional) and calcium lignosulfonate 0.35% (additional).
Wherein, content of MgO 19.47% in dolomite；Clay SiO2Content 33.05%, 1687 DEG C of clay refractoriness, igloss 10.25%, plasticity index 3.66；Bentonite SiO2Content 62.14%, Al2O3Content 17.69%；Silicon powder SiO2Content 93.12%.
Above-mentioned raw materials are milled to partial size≤0.088mm, are mixed, the anti-sticking spray paint of steel slag tank is obtained, raw material gross weight is added The water of amount 40~60%, stirs into slurry, and using spraying equipment even application in steel slag tank, coating thickness is 2~8mm.
Treated that steel slag tank disposably turns over that slag success rate is 98.97% for embodiment 3.
It can be seen that by embodiment result, using the anti-sticking spray paint of steel slag tank of the invention, can fast, easily remove steel Slag disposably turns over slag success rate 97% or more.The anti-sticking spray paint of steel slag tank of the present invention is easy to use, and effect is good, is suitable for promoting It uses.

Claims (10)

1. the anti-sticking spray paint of steel slag tank, which is characterized in that composition includes: A ingredient and B component；A ingredient by weight percentage, Dolomite 40~70%, clay 8~15%, bentonite 15~20%, class graphite 5~15%, silicon powder 2~6%；B component is It accounts for the calgon of 0.1~0.6wt% of A ingredient and accounts for the calcium lignosulfonate of 0.1~1wt% of A ingredient.
2. the anti-sticking spray paint of steel slag tank according to claim 1, which is characterized in that composition includes: A ingredient and B component；A Ingredient is dolomite 60%, clay 14%, bentonite 18%, class graphite 6%, silicon powder 2% by weight percentage；B component To account for the calgon of A ingredient 0.2% and accounting for 0.4% calcium lignosulfonate of A ingredient.
3. the anti-sticking spray paint of steel slag tank according to claim 1, it is characterised in that: the raw material particle size≤ 0.088mm。
4. the anti-sticking spray paint of steel slag tank according to claim 1, it is characterised in that: the dolomite be MgO >= The dolomite of 18wt%.
5. the anti-sticking spray paint of steel slag tank according to claim 1, it is characterised in that: the clay is SiO2>=30wt%, Fe2O3The clay of≤2.0wt%.
6. the anti-sticking spray paint of steel slag tank according to claim 1, it is characterised in that: clay refractoriness >=1670 DEG C, igloss≤16%, plasticity index >=3.5.
7. the anti-sticking spray paint of steel slag tank according to claim 1, it is characterised in that: the bentonite is SiO2≥ 60wt%, Al2O3>=15wt%, Fe2O3The bentonite of≤6.0wt%.
8. the anti-sticking spray paint of steel slag tank according to claim 1, it is characterised in that: the silicon powder is Al2O3≤ 1.5wt%, SiO2The silicon powder of >=90wt%.
9. the preparation method of the anti-sticking spray paint of steel slag tank according to any one of claims 1 to 8, it is characterised in that: including following Step:
Dolomite 40~70%, clay 8~15%, bentonite 15~20%, class graphite 5~15%, silicon are weighed by weight ratio Micro mist 2~6%, then weigh the lignin sulfonic acid of the calgon and 0.1~1% that account for above-mentioned raw materials total weight 0.1~0.6% Calcium is milled to partial size≤0.088mm, mixes, obtains the anti-sticking spray paint of steel slag tank.
10. the application method of the anti-sticking spray paint of steel slag tank according to any one of claims 1 to 8, it is characterised in that: including following Step:
The water of raw material gross weight 40~60% will be added in the anti-sticking spray paint of steel slag tank, stirs into slurry, it is equal using spraying equipment Even to be sprayed in steel slag tank, coating thickness is 2~8mm.
CN201811474955.5A 2018-12-04 2018-12-04 The anti-sticking spray paint of steel slag tank and its preparation and application Pending CN109369142A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112457029A (en) * 2020-12-08 2021-03-09 首钢集团有限公司 Spray coating for slag pot grating and use method thereof
CN113896550A (en) * 2021-11-19 2022-01-07 攀钢集团攀枝花钢铁研究院有限公司 Anti-bonding method for blast furnace slag chute
CN114163249A (en) * 2021-12-31 2022-03-11 北京纽维逊建筑工程技术有限公司 Slag pot lining heat-insulating coating system and construction process
CN114180979A (en) * 2021-12-27 2022-03-15 上海柯瑞冶金炉料有限公司 Heat-resistant spray coating for slag pot and preparation method thereof
CN114644481A (en) * 2020-12-21 2022-06-21 中国京冶工程技术有限公司 Heat-insulating anti-erosion slag-isolating coating material for slag pot and preparation method and application thereof
CN115028464A (en) * 2022-06-25 2022-09-09 邯郸市复兴欣跃炉料有限公司 Formula and method for producing steel slag separating agent
CN115385665A (en) * 2022-09-15 2022-11-25 攀钢集团攀枝花钢铁研究院有限公司 Anti-bonding method for blast furnace slag chute
CN116445019A (en) * 2023-04-25 2023-07-18 包钢集团冶金渣综合利用开发有限责任公司 Steel slag composite spray coating, preparation method thereof and slag tank spraying method

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112457029A (en) * 2020-12-08 2021-03-09 首钢集团有限公司 Spray coating for slag pot grating and use method thereof
CN112457029B (en) * 2020-12-08 2022-06-21 首钢集团有限公司 Spray coating for slag pot grating and use method thereof
CN114644481A (en) * 2020-12-21 2022-06-21 中国京冶工程技术有限公司 Heat-insulating anti-erosion slag-isolating coating material for slag pot and preparation method and application thereof
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CN114180979B (en) * 2021-12-27 2022-12-30 上海柯瑞冶金炉料有限公司 Heat-resistant spray coating for slag pot and preparation method thereof
CN114163249A (en) * 2021-12-31 2022-03-11 北京纽维逊建筑工程技术有限公司 Slag pot lining heat-insulating coating system and construction process
CN115028464A (en) * 2022-06-25 2022-09-09 邯郸市复兴欣跃炉料有限公司 Formula and method for producing steel slag separating agent
CN115385665A (en) * 2022-09-15 2022-11-25 攀钢集团攀枝花钢铁研究院有限公司 Anti-bonding method for blast furnace slag chute
CN115385665B (en) * 2022-09-15 2023-06-06 攀钢集团攀枝花钢铁研究院有限公司 Anti-adhesion method for blast furnace slag chute
CN116445019A (en) * 2023-04-25 2023-07-18 包钢集团冶金渣综合利用开发有限责任公司 Steel slag composite spray coating, preparation method thereof and slag tank spraying method

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