CN111960724A - High-temperature-resistant and wear-resistant slurry - Google Patents
High-temperature-resistant and wear-resistant slurry Download PDFInfo
- Publication number
- CN111960724A CN111960724A CN202010779346.1A CN202010779346A CN111960724A CN 111960724 A CN111960724 A CN 111960724A CN 202010779346 A CN202010779346 A CN 202010779346A CN 111960724 A CN111960724 A CN 111960724A
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- Prior art keywords
- resistant
- wear
- temperature
- parts
- slurry
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Classifications
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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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
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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
- 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
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
Abstract
The invention discloses high-temperature-resistant and wear-resistant slurry, which comprises the following raw material components: electric smelting white corundum, electric smelting aluminum-rich spinel, tabular corundum, supercritical dried nano silicon micro powder and industrial chromium oxide; the high-temperature-resistant and wear-resistant slurry disclosed by the invention has the advantages that the materials are combined, the hydration speed is controlled through the aluminum-rich spinel, the construction time is adjusted, the supercritical dried nanometer silica powder is hydrated to form gel, the strength and the wear resistance are generated, the high strength and the proper construction time are provided on the premise of ensuring the hardness of the material, the high-temperature-resistant and wear-resistant slurry disclosed by the invention has the functions of quick hardening, high strength and wear resistance, can be used for replacing the traditional refractory slurry to be used for parts with high temperature and serious scouring, is convenient to use, can greatly prolong the service life of the wear-resistant material, and has remarkable economic.
Description
Technical Field
The invention relates to the technical field of wear-resistant slurry for grinding equipment, in particular to high-temperature-resistant wear-resistant slurry.
Background
In the using process of mechanical equipment, abrasion is an important reason for equipment damage, particularly in modern grinding equipment, an air supply pipeline is seriously abraded, frequent shutdown overhaul and lining material replacement are caused, and the service life and the use benefit of the equipment are limited. In order to prolong the service life of the air supply pipeline, the currently adopted method is to paste an alumina ceramic chip or pour and smear wear-resistant ceramic materials. The high-hardness ceramic plate is low in hardness, cannot be worn by wear-resistant materials, is easy to wear preferentially and is punched out of a groove, so that the ceramic plate falls off. The steel mesh is laid on the wear-resistant ceramic material which is poured or coated in a wear-resistant manner, the steel material and the ceramic material have large difference in thermal expansion coefficient, the stress of two-phase interface is large, the material is deformed, bulges and is damaged, and the repairing material and the original material have poor adhesion, so that the problem cannot be fundamentally solved. Adopt the prefabricated section to build by laying bricks or stones and be a good solution, nevertheless connect the angle seam material to be refractory mortar usually, mix more clay material and chemical binder, the wearability is low, and hardness is not high, grinds away in the prefabricated section often in advance, makes the dust enter into the gap, and the wearing and tearing of high-speed dust aggravation support bar cause the prefabricated section to drop, influences the availability factor of air mill, increases the maintenance number of times, restricts economic benefits's improvement.
Disclosure of Invention
The invention aims to provide high-temperature-resistant and wear-resistant slurry, which aims to solve the problems that ceramic plates of a high-temperature air supply pipeline of the existing grinding equipment are easy to fall off and castable bulges and enhance the wear resistance of joints of precast blocks.
The technical scheme adopted by the invention for realizing the purpose is as follows: the high-temperature-resistant wear-resistant slurry comprises the following raw material components: electric smelting white corundum, electric smelting aluminum-rich spinel, tabular corundum, supercritical dried nano silicon micro powder and industrial chromium oxide;
the raw materials are added in parts by weight: 20-40 parts of electrically-fused white corundum with the granularity of 0.5-1mm, 5-15 parts of granularity less than 0.5mm and 0-10 parts of 200 meshes; the electric smelting aluminum-rich spinel is less than 10-20 parts of particle size of 0.5 mm; 30-50 parts of 200-mesh tabular corundum; supercritical drying nanometer silicon powder with particle size of 80-100nm 1-5 parts; 0-3 parts of 320 meshes of industrial chromium oxide; the addition amount of the additive is the proportion of the total weight of the raw materials: 1-3% of polyphosphate, 0.3-0.6% of cellulose, 0-6% of waterborne epoxy resin, 0-1% of curing agent and 12-20% of water.
Wherein the curing agent is one or more organic amine low-viscosity liquids.
Wherein the aluminum-rich spinel is Al2O375-78% of high-purity magnesium aluminate spinel.
In the invention, the function of the aluminum-rich spinel is mainly a slow-acting coagulant, if the aluminum-rich spinel is too thin, the reaction is too fast, the construction requirement is not facilitated, if the aluminum-rich spinel is too thick, the solidification is too slow, slurry is easy to flow, the optimal granularity is 0.1-0.5mm, and in addition, the spinel is also a high-temperature material, and the service performance is not influenced.
Wherein the supercritical dried nanometer silica powder is nanometer silica fume prepared by sol-gel method, and the specific surface area is more than or equal to 28cm2/g。
Wherein the polyphosphate is one or two of sodium tripolyphosphate, sodium hexametaphosphate and trisodium phosphate.
Wherein the cellulose is one of carboxymethyl cellulose and hydroxypropyl methyl cellulose.
The production of the invention is carried out according to the common casting material process.
The combination of the materials is a high-hardness material, the hydration speed is controlled by the aluminum-rich spinel, the construction time is adjusted, and the supercritical dried nano-silica powder is hydrated to form gel, so that the strength and the wear resistance are generated. High strength and suitable construction time are provided on the premise of ensuring the hardness.
The high-temperature-resistant wear-resistant slurry has the advantages of quick hardening, high strength and wear resistance, can replace the traditional fire-resistant slurry to be used for parts with serious high temperature and scouring, is convenient to use, can greatly prolong the service life of wear-resistant materials, and has remarkable economic benefit and social benefit.
Detailed Description
The invention is further described with reference to specific embodiments, without limiting its scope.
Example 1: the wear-resistant slurry for bonding the alumina ceramic chip is used for the air supply pipeline of the water quenching slag vertical mill at the use temperature of 350-500 ℃.
The raw materials, particle size and parts by weight in this example are shown in the following table:
example 2: the corundum-mullite joint-building slurry for the coke oven precast block is used for a high-temperature dry quenching tank body at the use temperature of 1250-.
The raw materials, particle size and parts by weight in this example are shown in the following table:
example 3: the rapid repairing agent is used for rapidly repairing the ceramic wear-resistant material of the water slag runner, the construction time is 6 hours, and the rapid hardening and high-strength ceramic wear-resistant material can be directly used without drying.
The raw materials, particle size and parts by weight in this example are shown in the following table:
Claims (6)
1. the high-temperature-resistant and wear-resistant slurry is characterized in that: the raw material comprises the following components: electric smelting white corundum, electric smelting aluminum-rich spinel, tabular corundum, supercritical dried nano silicon micro powder and industrial chromium oxide; the raw materials are added in parts by weight: 20-40 parts of electrically-fused white corundum with the granularity of 0.5-1mm, 5-15 parts of granularity less than 0.5mm and 0-10 parts of 200 meshes; the electric smelting aluminum-rich spinel is less than 10-20 parts of particle size of 0.5 mm; 30-50 parts of 200-mesh tabular corundum; supercritical drying nanometer silicon powder with particle size of 80-100nm 1-5 parts; 0-3 parts of 320 meshes of industrial chromium oxide; the addition amount of the additive is the proportion of the total weight of the raw materials: 1-3% of polyphosphate, 0.3-0.6% of cellulose, 0-6% of waterborne epoxy resin, 0-1% of curing agent and 12-20% of water.
2. The high-temperature-resistant and wear-resistant mud as claimed in claim 1, wherein: the curing agent is one or more organic amine low viscosity liquids.
3. The high-temperature-resistant and wear-resistant mud as claimed in claim 1, wherein: the aluminum-rich spinel is Al2O3The optimal particle size of 75-78% of high-purity magnesium aluminate spinel is 0.1-0.5 mm.
4. The high-temperature-resistant and wear-resistant mud as claimed in claim 1, wherein: the supercritical dried nanometer silica powder is nanometer silica fume prepared by sol-gel method, and the specific surface area is more than or equal to 28cm2/g。
5. The high-temperature-resistant and wear-resistant mud as claimed in claim 1, wherein: the polyphosphate is one or two of sodium tripolyphosphate, sodium hexametaphosphate and trisodium phosphate.
6. The high-temperature-resistant and wear-resistant mud as claimed in claim 1, wherein: the cellulose is one of carboxymethyl cellulose and hydroxypropyl methyl cellulose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010779346.1A CN111960724B (en) | 2020-08-05 | 2020-08-05 | High-temperature-resistant and wear-resistant slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010779346.1A CN111960724B (en) | 2020-08-05 | 2020-08-05 | High-temperature-resistant and wear-resistant slurry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111960724A true CN111960724A (en) | 2020-11-20 |
| CN111960724B CN111960724B (en) | 2021-10-29 |
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| CN202010779346.1A Active CN111960724B (en) | 2020-08-05 | 2020-08-05 | High-temperature-resistant and wear-resistant slurry |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116283249A (en) * | 2022-12-22 | 2023-06-23 | 鞍山钢铁冶金炉材科技有限公司 | Ladle nozzle pocket brick thermal state repairing material and preparation and use methods thereof |
Citations (8)
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|---|---|---|---|---|
| CN101172847A (en) * | 2007-09-30 | 2008-05-07 | 巩义市好运祥耐材有限公司 | Pouring material for producing high-temperature ceramic abrasion-proof lining body |
| CN101397212A (en) * | 2008-09-16 | 2009-04-01 | 高树森 | Refractory castable of nanocomposite oxide ceramic combining alumina-spinelle and preparation method thereof |
| CN104926340A (en) * | 2015-07-05 | 2015-09-23 | 石倩文 | Preparation method of self-flow refractory castable |
| CN105236946A (en) * | 2015-11-10 | 2016-01-13 | 河南好运祥耐材有限公司 | Wear-resistant ceramic material for repairing dry quenching furnace bracket support part and forming method thereof |
| CN105294129A (en) * | 2015-11-19 | 2016-02-03 | 长兴兴鹰新型耐火建材有限公司 | Tertiary air duct wear-resistant anti-erosion pouring material |
| CN106431438A (en) * | 2016-09-28 | 2017-02-22 | 武汉钢铁股份有限公司 | Castable for tundish slag wall and preparation method of castable |
| CN108727040A (en) * | 2017-04-17 | 2018-11-02 | 维苏威美国公司 | Porous refractory mould material and application thereof and manufacture |
| EP2520349B1 (en) * | 2010-04-15 | 2019-10-09 | Jinan Shengquan Double Surplus Ceramic Filter Co., Ltd. | Filter used for filtering molten metal and preparation method thereof |
-
2020
- 2020-08-05 CN CN202010779346.1A patent/CN111960724B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101172847A (en) * | 2007-09-30 | 2008-05-07 | 巩义市好运祥耐材有限公司 | Pouring material for producing high-temperature ceramic abrasion-proof lining body |
| CN101397212A (en) * | 2008-09-16 | 2009-04-01 | 高树森 | Refractory castable of nanocomposite oxide ceramic combining alumina-spinelle and preparation method thereof |
| EP2520349B1 (en) * | 2010-04-15 | 2019-10-09 | Jinan Shengquan Double Surplus Ceramic Filter Co., Ltd. | Filter used for filtering molten metal and preparation method thereof |
| CN104926340A (en) * | 2015-07-05 | 2015-09-23 | 石倩文 | Preparation method of self-flow refractory castable |
| CN105236946A (en) * | 2015-11-10 | 2016-01-13 | 河南好运祥耐材有限公司 | Wear-resistant ceramic material for repairing dry quenching furnace bracket support part and forming method thereof |
| CN105294129A (en) * | 2015-11-19 | 2016-02-03 | 长兴兴鹰新型耐火建材有限公司 | Tertiary air duct wear-resistant anti-erosion pouring material |
| CN106431438A (en) * | 2016-09-28 | 2017-02-22 | 武汉钢铁股份有限公司 | Castable for tundish slag wall and preparation method of castable |
| CN106431438B (en) * | 2016-09-28 | 2020-01-07 | 武汉钢铁有限公司 | Castable for tundish slag-stopping wall and preparation method thereof |
| CN108727040A (en) * | 2017-04-17 | 2018-11-02 | 维苏威美国公司 | Porous refractory mould material and application thereof and manufacture |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116283249A (en) * | 2022-12-22 | 2023-06-23 | 鞍山钢铁冶金炉材科技有限公司 | Ladle nozzle pocket brick thermal state repairing material and preparation and use methods thereof |
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| CN111960724B (en) | 2021-10-29 |
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