CN110950670A - Wear-resistant heat-resistant anticorrosive lining coating for power plant boiler - Google Patents
Wear-resistant heat-resistant anticorrosive lining coating for power plant boiler Download PDFInfo
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- CN110950670A CN110950670A CN201911101077.7A CN201911101077A CN110950670A CN 110950670 A CN110950670 A CN 110950670A CN 201911101077 A CN201911101077 A CN 201911101077A CN 110950670 A CN110950670 A CN 110950670A
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- power plant
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- plant boiler
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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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3817—Carbides
- C04B2235/3826—Silicon carbides
Abstract
The invention belongs to the technical field of refractory materials, and particularly relates to a wear-resistant heat-resistant anticorrosive lining coating for a power plant boiler, which is prepared from the following raw materials in parts by weight: 55-75 parts of coarse aggregate, 10-25 parts of medium aggregate, 15-20 parts of fine aggregate, 0.1-5 parts of composite plasticizer, 0.1-0.5 part of explosion-proof agent, 0.5-1.2 parts of modifier and 7-12 parts of binding agent. The invention has strong high-temperature wear resistance and good sulfur corrosion resistance, does not peel, bubble or fall off under the heating and running states of the boiler, and has strong bonding performance and thermal shock resistance.
Description
Technical Field
The invention belongs to the technical field of refractory materials, and particularly relates to a wear-resistant heat-resistant anticorrosive lining coating for a power plant boiler.
Background
Due to the low operation principle of the boiler and the low calorific value of the used fuel, the inside of the boiler is often seriously abraded in the production operation, so that accidents such as pipe explosion, furnace shutdown and the like frequently occur, and great loss is caused to the production and safety of enterprises. At present, the anti-abrasion measures aiming at the boiler mainly comprise supersonic electric arc spraying, machine-related deposition and other technologies, but the technologies generally have the defects of various construction equipment, complex process, high cost, long construction period and the like, and the manufacturing cost is higher.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the wear-resistant heat-resistant anticorrosive lining paint for the power plant boiler, and the maintenance cost and the construction difficulty of the boiler are reduced.
The object of the invention is achieved in the following way:
the wear-resistant heat-resistant anticorrosive lining coating for the power plant boiler is prepared from the following raw materials in parts by weight: 55-75 parts of coarse aggregate, 10-25 parts of medium aggregate, 15-20 parts of fine aggregate, 0.1-5 parts of composite plasticizer, 0.1-0.5 part of explosion-proof agent, 0.5-1.2 parts of modifier and 7-12 parts of binding agent.
In the coating, the coarse aggregate is one or a mixture of more of corundum, carborundum, bauxite clinker, mullite, zircon sand and refractory clay, and the particle size of the coarse aggregate is 2.2-2.5 mm.
In the coating, the medium aggregate is one or a mixture of more of corundum, carborundum, bauxite clinker, mullite, zircon sand and refractory clay, and the particle size of the coarse aggregate is 1.0-1.2 mm.
In the coating, the fine aggregate is one or a mixture of more of corundum, carborundum, alumina clinker, aluminum oxide, silicon carbide, zinc oxide or magnesium oxide.
In the coating, the composite plasticizer is a mixture of bentonite and methylcellulose.
In the coating, the explosion-proof agent is one or a mixture of more of explosion-proof fibers or aluminum chloride.
In the coating, the modifier is one or a mixture of sodium silicate and sodium tetraborate.
In the coating, the binding agent is one or a mixture of more of alumina, potassium silicate, sodium silicate or pure calcium aluminate cement.
The specific application method of the wear-resistant heat-resistant anti-corrosion lining coating for the power plant boiler comprises the steps of mixing coarse aggregate with medium aggregate, fine aggregate, composite plasticizer, explosion-proof agent, modifier and the like, bagging to form powder packages, and packaging the bonding agent separately; when in use, the powder is packaged and mixed with the binder uniformly according to a certain ratio, and then the mixture can be sprayed.
Compared with the prior art, the invention has the beneficial effects that:
the invention has strong high-temperature wear resistance and good sulfur corrosion resistance, does not peel, bubble or fall off under the heating and running states of the boiler, and has strong bonding performance and thermal shock resistance.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
The wear-resistant heat-resistant anticorrosive lining coating for the power plant boiler is prepared from the following raw materials in parts by weight: 58 parts of coarse aggregate, 14 parts of medium aggregate, 16 parts of fine aggregate, 2 parts of composite plasticizer, 0.5 part of explosion-proof agent, 1.1 parts of modifier and 7-12 parts of binding agent.
In the coating, the coarse aggregate is a mixture of corundum and carborundum, and the particle size of the coarse aggregate is 2.2-2.5 mm.
In the coating, the medium aggregate is a mixture of bauxite clinker and zircon sand, and the particle size of the coarse aggregate is 1.0-1.2 mm.
In the coating, the fine aggregate is a mixture of aluminum oxide, silicon carbide and zinc oxide.
In the coating, the composite plasticizer is a mixture of bentonite and methylcellulose.
In the coating, the explosion-proof agent is explosion-proof fiber.
In the coating, the modifier is sodium tetraborate.
Example 2
The wear-resistant heat-resistant anticorrosive lining coating for the power plant boiler is prepared from the following raw materials in parts by weight: 72 parts of coarse aggregate, 22 parts of medium aggregate, 17 parts of fine aggregate, 2 parts of composite plasticizer, 0.3 part of explosion-proof agent, 0.8 part of modifier and 10 parts of bonding agent.
In the coating, the coarse aggregate is a mixture of carborundum, bauxite clinker and zircon sand, and the particle size of the coarse aggregate is 2.2-2.5 mm.
In the coating, the medium aggregate is mullite, and the particle size of the coarse aggregate is 1.0-1.2 mm.
In the coating, the fine aggregate is a mixture of corundum, carborundum and zinc oxide.
In the coating, the composite plasticizer is a mixture of bentonite and methylcellulose.
In the coating, the explosion-proof agent is a mixture of explosion-proof fibers and aluminum chloride.
In the coating, the modifier is sodium tetraborate.
Example 3
The wear-resistant heat-resistant anticorrosive lining coating for the power plant boiler is prepared from the following raw materials in parts by weight: 67 parts of coarse aggregate, 16 parts of medium aggregate, 17 parts of fine aggregate, 3 parts of composite plasticizer, 0.1 part of explosion-proof agent, 0.5 part of modifier and 9 parts of bonding agent.
In the coating, the coarse aggregate is a mixture of corundum, alumina clinker and refractory clay, and the particle size of the coarse aggregate is 2.2-2.5 mm.
In the coating, the medium aggregate is a mixture of carborundum and mullite, and the particle size of the coarse aggregate is 1.0-1.2 mm.
In the coating, the fine aggregate is a mixture of corundum, silicon carbide and magnesium oxide.
In the coating, the composite plasticizer is a mixture of bentonite and methylcellulose.
In the coating, the explosion-proof agent is explosion-proof fiber.
In the coating, the modifier is sodium silicate.
The above description is only intended to illustrate one embodiment of the present invention, and the description is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (8)
1. The wear-resistant heat-resistant anticorrosive lining paint for the power plant boiler is characterized by being prepared from the following raw materials in parts by weight: 55-75 parts of coarse aggregate, 10-25 parts of medium aggregate, 15-20 parts of fine aggregate, 0.1-5 parts of composite plasticizer, 0.1-0.5 part of explosion-proof agent, 0.5-1.2 parts of modifier and 7-12 parts of binding agent.
2. The power plant boiler wear-resistant heat-resistant anti-corrosion lining coating as claimed in claim 1, characterized in that: the coarse aggregate is one or a mixture of more of corundum, carborundum, bauxite chamotte, mullite, zircon sand and refractory clay, and the particle size of the coarse aggregate is 2.2-2.5 mm.
3. The power plant boiler wear-resistant heat-resistant anti-corrosion lining coating as claimed in claim 1, characterized in that: the medium aggregate is one or a mixture of more of corundum, carborundum, bauxite chamotte, mullite, zircon sand and refractory clay, and the particle size of the coarse aggregate is 1.0-1.2 mm.
4. The power plant boiler wear-resistant heat-resistant anti-corrosion lining coating as claimed in claim 1, characterized in that: the fine aggregate is one or a mixture of corundum, carborundum, bauxite clinker, alumina, silicon carbide, zinc oxide or magnesium oxide.
5. The power plant boiler wear-resistant heat-resistant anti-corrosion lining paint according to any one of claims 1 to 4, characterized in that: the composite plasticizer is a mixture of bentonite and methylcellulose.
6. The power plant boiler wear-resistant heat-resistant anti-corrosion lining paint according to any one of claims 1 to 4, characterized in that: the explosion-proof agent is one or a mixture of more of explosion-proof fibers or aluminum chloride.
7. The power plant boiler wear-resistant heat-resistant anti-corrosion lining paint according to any one of claims 1 to 4, characterized in that: the modifier is one or a mixture of sodium silicate and sodium tetraborate.
8. The power plant boiler wear-resistant heat-resistant anti-corrosion lining paint according to any one of claims 1 to 4, characterized in that: the binding agent is one or a mixture of more of alumina, potassium silicate, sodium silicate or pure calcium aluminate cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911101077.7A CN110950670A (en) | 2019-11-12 | 2019-11-12 | Wear-resistant heat-resistant anticorrosive lining coating for power plant boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911101077.7A CN110950670A (en) | 2019-11-12 | 2019-11-12 | Wear-resistant heat-resistant anticorrosive lining coating for power plant boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110950670A true CN110950670A (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911101077.7A Pending CN110950670A (en) | 2019-11-12 | 2019-11-12 | Wear-resistant heat-resistant anticorrosive lining coating for power plant boiler |
Country Status (1)
| Country | Link |
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| CN (1) | CN110950670A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093049A (en) * | 2018-01-28 | 2019-08-06 | 吴军 | A kind of chemical pump wear-resistant paint and preparation method thereof |
| CN111646784A (en) * | 2020-06-01 | 2020-09-11 | 无锡市宝宜耐火材料有限公司 | Al (aluminum)2O3-SiC-C refractory castable and preparation method thereof |
-
2019
- 2019-11-12 CN CN201911101077.7A patent/CN110950670A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093049A (en) * | 2018-01-28 | 2019-08-06 | 吴军 | A kind of chemical pump wear-resistant paint and preparation method thereof |
| CN111646784A (en) * | 2020-06-01 | 2020-09-11 | 无锡市宝宜耐火材料有限公司 | Al (aluminum)2O3-SiC-C refractory castable and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200403 |
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| WD01 | Invention patent application deemed withdrawn after publication |