High-temperature anti-corrosion and anti-scaling gradient coating for incinerator

Abstract

The high-temperature anti-corrosion and anti-scaling gradient coating comprises a base layer, an adhesion layer is arranged at the top of the base layer, a middle layer is arranged at the top of the adhesion layer, a first anti-incrustation layer and a second anti-incrustation layer are arranged at the top of the middle layer, the first anti-incrustation layer comprises an adhesion layer, and the second anti-incrustation layer comprises a second anti-incrustation layer. The first anti-incrustation layer comprises a plurality of adhesion layers, first IPSE alloy particles are arranged in the adhesion layers, the second anti-incrustation layer comprises a plurality of strip-shaped adhesion layers, and second IPSE alloy particles are arranged in the strip-shaped adhesion layers. According to the high-temperature anti-corrosion and anti-scaling gradient coating for the incinerator, the first anti-scaling layer and the second anti-scaling layer are coated and polished, IPSE alloy particles in the first anti-scaling layer and the second anti-scaling layer are exposed outside, the first IPSE alloy particles and the second IPSE alloy particles release free electrons after making contact with water, the free electrons are combined with calcium and magnesium cations forming scales in the water, and therefore the scale forming effect is improved. The combination of calcium and magnesium with acid radical ions is prevented, so that the scale inhibition effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to incinerator technical field, concretely is a kind of incinerator high temperature anticorrosive anti-fouling gradient coating. BACKGROUND

[0002] Incinerator water-cooled wall is the main heating part of boiler, it is composed of several rows of steel pipes, is distributed in the four around boiler furnace, its inside is flowing water or steam, outside accepts the heat of boiler furnace flame, mainly absorbs the radiant heat of high-temperature combustion products in furnace, working medium is ascending motion in it, heated vaporization, in the prior art, the inner wall of water-cooled wall is daubed coating, coating surface is easy to produce scale, so that scale removal effect is not ideal. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a kind of incinerator high temperature anticorrosive anti-fouling gradient coating, solve the problem that coating surface is easy to produce scale, so that scale removal effect is not ideal.

[0004] To achieve the above object, the utility model is realized by the following technical scheme: a kind of incinerator high temperature anticorrosive anti-fouling gradient coating, including base layer, the base layer top is equipped with adhesion layer, the adhesion layer top is equipped with intermediate layer, the intermediate layer top is equipped with first scale prevention layer and second scale prevention layer;

[0005] The first scale prevention layer includes adhesion layer, the adhesion layer inside is equipped with first IPSE alloy particle;

[0006] The second scale prevention layer includes a plurality of strip adhesion layers, a plurality of the strip adhesion layer inside is equipped with second IPSE alloy particle, and gap is equipped between a plurality of the strip adhesion layers.

[0007] Preferably, the surface of the base layer is roughened by sandblasting to form a rough surface, which can increase the roughness of the base layer surface, thereby effectively improving the adhesion.

[0008] Preferably, the adhesion layer is made of a metal adhesion promoter material, and the adhesion layer is sprayed on the surface of the base layer by a spraying device, so that the adhesion layer can be evenly applied on the surface of the base layer, thereby increasing the adhesion capacity of the intermediate layer.

[0009] Preferably, the first scale prevention layer and the second scale prevention layer are both made of high-temperature-resistant and heat-conducting inorganic resin material, so that the first IPSE alloy particles and the second IPSE alloy particles can be adhered, and have good anticorrosion and high-temperature-resistant stability.

[0010] Preferably, the first water scale prevention layer and the second water scale prevention layer are polished to expose the first IPSE alloy particles and the second IPSE alloy particles inside to enable direct contact with water to prevent water scale.

[0011] Preferably, the intermediate layer is made of a metal ceramic material to increase corrosion resistance and heat transfer effect.

[0012] The utility model provides a kind of incinerator high temperature anticorrosive anti-fouling gradient coating.Compared with prior art has the following beneficial effects:

[0013] 1、the incinerator high temperature anticorrosive anti-fouling gradient coating, by coating and polishing to the first water scale prevention layer and the second water scale prevention layer, make its inside IPSE alloy particles expose, first IPSE alloy particles and second IPSE alloy particles release free electron after contact with water, free electron combines with the calcium magnesium cation of water scale, prevent the combination of calcium magnesium and acid radical ion, to reach scale inhibition effect.

[0014] 2、the incinerator high temperature anticorrosive anti-fouling gradient coating, by the intermediate layer made of metal ceramic material, can increase corrosion resistance, and can increase heat transfer effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0016] Fig. 2 It is the first water scale prevention layer and the second water scale prevention layer structure schematic diagram of the utility model;

[0017] Fig. 3 It is the local enlarged structure schematic diagram of the utility model.

[0018] In the drawing: 1, base layer;2, attached layer;3, intermediate layer;4, first water scale prevention layer;401, adhesion layer;402, first IPSE alloy particles;5, second water scale prevention layer;501, strip adhesion layer;502, second IPSE alloy particles;503, gap. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figs. 1-3The utility model provides a technical scheme: a kind of incinerator high-temperature anticorrosion anti-fouling gradient coating, including base layer 1, rough surface is formed by sandblasting rough processing on base layer 1 surface, can increase the roughness of base layer 1 surface, to be able to effectively improve adhesion, base layer 1 top is equipped with adhesive layer 2, adhesive layer 2 is made of metal adhesion promoter material, adhesive layer 2 is sprayed on the surface of base layer 1 by spraying equipment, so that it can be evenly applied on the surface of base layer 1, to be able to increase the adhesion capacity of intermediate layer 3, intermediate layer 3 is made of metal ceramic material, can increase corrosion resistance, and can increase heat transfer effect, intermediate layer 3 top is equipped with first scale-proof layer 4 and second scale-proof layer 5, first scale-proof layer 4 and second scale-proof layer 5 are made of high-temperature resistant heat-conducting inorganic resin material, so that first IPSE alloy particles 402 and second IPSE alloy particles 502 can be adhered, and have very good anticorrosive high-temperature stability.

[0021] First scale-proof layer 4 includes adhesive layer 401, first IPSE alloy particles 402 are equipped in adhesive layer 401, IPSE alloy is mainly made of copper, zinc, nickel, 8 kinds of metal elements with different electronegativity are prepared by high-temperature smelting to form alloy material, so that first IPSE alloy particles 402 can release free electrons after contacting with water, free electrons are combined with calcium and magnesium cations in water, prevent the combination of calcium and magnesium and acid radical ions, to reach scale inhibition effect.

[0022] Second scale-proof layer 5 includes a plurality of strip adhesive layers 501, second IPSE alloy particles 502 are equipped in a plurality of strip adhesive layers 501, and gaps 503 are equipped between a plurality of strip adhesive layers 501, so that a plurality of strip adhesive layers 501 are spaced apart and coated on first scale-proof layer 4, strip adhesive layer 501 and first scale-proof layer 4 form gradient, increase the contact area between water, to be able to improve scale-proof effect, the surface of first scale-proof layer 4 and second scale-proof layer 5 is polished, so that first IPSE alloy particles 402 and second IPSE alloy particles 502 in it can be exposed, so that it can be directly contacted with water to play the role of scale-proof, second IPSE alloy particles 502 can release free electrons after contacting with water, free electrons are combined with calcium and magnesium cations in water, prevent the combination of calcium and magnesium and acid radical ions, to reach scale inhibition effect.

[0023] In operation, after roughening the base layer 1, the adhesive layer 2 is sprayed on the base layer 1 using a spraying device, and the intermediate layer 3 is coated on the outside of the adhesive layer 2, and the first and second anti-scaling layers 4 and 5 are coated and polished, so that the first and second IPSE alloy particles 402 and 502 inside are exposed, and the first and second IPSE alloy particles 402 and 502 release free electrons after contacting with water, the free electrons combine with the calcium and magnesium cations in water to prevent the combination of calcium and magnesium with acid radicals, thereby achieving the effect of scale inhibition.

[0024] Meanwhile, the contents not described in detail in the specification are all prior art known to those skilled in the art.

Claims

1. A high temperature corrosion and fouling resistant gradient coating for incinerators comprising a base layer (1) characterised in that: The top of the base layer (1) is provided with an adhesion layer (2), the top of the adhesion layer (2) is provided with an intermediate layer (3), the top of the intermediate layer (3) is provided with a first scale-proof layer (4) and a second scale-proof layer (5); The first scale-proof layer (4) comprises an adhesion layer (401), and the inside of the adhesion layer (401) is provided with first IPSE alloy particles (402); The second scale-proof layer (5) comprises a plurality of strip-shaped adhesion layers (501), the inside of the plurality of strip-shaped adhesion layers (501) is provided with second IPSE alloy particles (502), and gaps (503) are arranged between the plurality of strip-shaped adhesion layers (501).

2. A high temperature corrosion and fouling resistant gradient coating for incinerators according to claim 1, characterized in that: The surface of the base layer (1) is subjected to sand blasting roughening treatment to form a rough surface.

3. A high temperature corrosion and fouling resistant gradient coating for incinerators according to claim 1, characterized in that: The adhesion layer (2) is made of a metal adhesion promoter material, and the adhesion layer (2) is sprayed on the surface of the base layer (1) by a spraying device.

4. A high temperature corrosion and fouling resistant gradient coating for incinerators according to claim 1, characterized in that: The first scale-proof layer (4) and the second scale-proof layer (5) are both made of high-temperature-resistant heat-conducting inorganic resin materials.

5. A high temperature corrosion and fouling resistant gradient coating for incinerators according to claim 1, characterized in that: The surfaces of the first scale-proof layer (4) and the second scale-proof layer (5) are both subjected to polishing treatment.

6. A high temperature corrosion and fouling resistant gradient coating for incinerators according to claim 1, characterized in that: The intermediate layer (3) is made of a metal ceramic material.

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