Turbine shell

Abstract

The utility model discloses a turbine shell which comprises a turbine shell body, an outer protective layer is arranged on the outer surface of the turbine shell body, the outer protective layer comprises a wear-resistant layer, a corrosion-resistant layer and a weather-resistant layer, an inner protective layer is arranged on the inner surface of the turbine shell body, and the inner protective layer comprises a reinforcing layer, a heat insulation layer and a shielding layer. The shielding layer comprises an anti-crack layer and a lotus leaf layer, the wear-resistant layer is located on the outer surface of the corrosion-resistant layer, the corrosion-resistant layer is located on the outer surface of the weather-resistant layer, the wear-resistant layer is made of wear-resistant ceramic paint, and the corrosion-resistant layer is made of epoxy resin paint. The turbine shell body, the outer protection layer, the abrasion-resistant layer, the corrosion-resistant layer, the weather-resistant layer, the inner protection layer, the reinforcing layer, the heat insulation layer, the shielding layer, the crack-resistant layer and the lotus leaf layer are used in cooperation, the protection effect of the exterior and the interior of the turbine shell body can be effectively improved, and the service life of the turbine shell body is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of turbines, and more specifically, to a turbine housing. Background Art

[0002] A turbine is a fan in the engine of an automobile or an airplane. By using exhaust gas to blow fuel vapor into the engine, the performance of the engine is improved. A turbine is a rotary power machine that converts the energy of a flowing working fluid into mechanical work. It is one of the main components of an aeroengine, a gas turbine, and a steam turbine. During use, a turbine needs to cope with different usage environments. However, the existing turbines do not have many protective structures during use, resulting in a reduced service life of the turbine housing. Therefore, a turbine housing is proposed to solve the above problems. Summary of the Utility Model

[0003] (I) Technical Problems to be Solved

[0004] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a turbine housing, which has the advantage of a long service life.

[0005] (II) Technical Solutions

[0006] To achieve the above purpose, the utility model provides the following technical solutions. The technical solution adopted by a turbine housing is as follows: It includes a turbine housing body, an outer protective layer is arranged on the outer surface of the turbine housing body, the outer protective layer includes a wear-resistant layer, a corrosion-resistant layer, and a weather-resistant layer, an inner protective layer is arranged on the inner surface of the turbine housing body, the inner protective layer includes a reinforcing layer, a heat-insulating layer, and a shielding layer, and the shielding layer includes an anti-crack layer and a lotus leaf layer.

[0007] As a preferred solution, the wear-resistant layer is located on the outer surface of the corrosion-resistant layer, and the corrosion-resistant layer is located on the outer surface of the weather-resistant layer.

[0008] As a preferred solution, the material of the wear-resistant layer is wear-resistant ceramic coating, the material of the corrosion-resistant layer is epoxy resin coating, and the material of the weather-resistant layer is polymer anti-corrosion coating.

[0009] As a preferred solution, the shielding layer is located on the inner surface of the heat-insulating layer, and the heat-insulating layer is located on the inner surface of the reinforcing layer.

[0010] As a preferred solution, the material of the reinforcing layer is high-chromium cast iron, and the material of the heat-insulating layer is heat-insulating coating.

[0011] As a preferred solution, the lotus leaf layer is located on the inner surface of the anti-crack layer, and the material of the anti-crack layer is waterproof coating.

[0012] As a preferred solution, the material of the lotus leaf layer is self-cleaning coating, and the thickness of the lotus leaf layer is 10 to 20 micrometers.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the present utility model provides a turbine housing, which has the following beneficial effects.

[0015] 1. By the combined use of the turbine housing body, the outer protective layer, the wear-resistant layer, the corrosion-resistant layer, the weather-resistant layer, the inner protective layer, the reinforcing layer, the heat-insulating layer, the shielding layer, the anti-crack layer and the lotus leaf layer, the protection effects of the outside and inside of the turbine housing body can be effectively improved, and the service life of the turbine housing body can be prolonged. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural view of the present utility model;

[0017] Figure 2 It is a schematic structural view of the composition of the outer protective layer of the present utility model;

[0018] Figure 3 It is a schematic structural view of the composition of the inner protective layer of the present utility model;

[0019] Figure 4 It is a schematic structural view of the composition of the shielding layer of the present utility model.

[0020] In the figure: 1. Turbine housing body; 2. Outer protective layer; 21. Wear-resistant layer; 22. Corrosion-resistant layer; 23. Weather-resistant layer; 3. Inner protective layer; 31. Reinforcing layer; 32. Heat-insulating layer; 33. Shielding layer; 331. Anti-crack layer; 332. Lotus leaf layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following further describes in detail the embodiments of the present utility model with reference to the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0022] In the description of the present utility model, unless otherwise specified, "a plurality of" means two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "connected" and "coupled" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] Please refer to Figures 1-4 , the present utility model: a turbine housing, comprising a turbine housing body 1, an outer protective layer 2 is provided on the outer surface of the turbine housing body 1, the outer protective layer 2 includes a wear-resistant layer 21, a corrosion-resistant layer 22 and a weather-resistant layer 23, an inner protective layer 3 is provided on the inner surface of the turbine housing body 1, the inner protective layer 3 includes a reinforcement layer 31, a heat-insulating layer 32 and a shielding layer 33, and the shielding layer 33 includes a crack-resistant layer 331 and a lotus leaf layer 332.

[0025] The wear-resistant layer 21 is located on the outer surface of the corrosion-resistant layer 22, and the corrosion-resistant layer 22 is located on the outer surface of the weather-resistant layer 23;

[0026] The material of the wear-resistant layer 21 is wear-resistant ceramic coating, the material of the corrosion-resistant layer 22 is epoxy resin coating, and the material of the weather-resistant layer 23 is polymer anti-corrosion coating;

[0027] By providing the wear-resistant layer 21, it can protect the underlying corrosion-resistant layer 22 and extend the service life of the corrosion-resistant layer 22. By providing the corrosion-resistant layer 22, the corrosion resistance effect of the turbine housing body 1 can be improved. By providing the weather-resistant layer 23, the weather resistance effect of the turbine housing body 1 can be improved.

[0028] The shielding layer 33 is located on the inner surface of the heat-insulating layer 32, and the heat-insulating layer 32 is located on the inner surface of the reinforcement layer 31;

[0029] The material of the reinforcement layer 31 is high-chromium cast iron, and the material of the heat-insulating layer 32 is heat-insulating coating;

[0030] By providing the reinforcement layer 31, the strength of the inner wall of the turbine housing body 1 can be improved. By providing the heat-insulating layer 32, the heat-insulating effect of the turbine housing body 1 can be improved.

[0031] The lotus leaf layer 332 is located on the inner surface of the crack-resistant layer 331, and the material of the crack-resistant layer 331 is waterproof coating;

[0032] By providing the crack-resistant layer 331, cracks on the inner wall of the turbine housing body 1 can be prevented.

[0033] The material of the lotus leaf layer 332 is self-cleaning coating, and the thickness of the lotus leaf layer 332 is ten to twenty microns.

[0034] The working principle of the present utility model is as follows: Through the wear-resistant layer 21, the wear-resistant ceramic coating has the properties of insulation, high temperature resistance, good mechanical properties, very good adhesion to metals, being very hard, having extremely high mechanical strength and stiffness, and at the same time having excellent toughness and earthquake resistance. It can provide protection for the bottom corrosion-resistant layer 22 and extend the service life of the corrosion-resistant layer 22. Through the corrosion-resistant layer 22, the epoxy resin coating has good adhesion, excellent adhesion to metals, concrete, wood, glass, etc., is resistant to alkalis, oils and water, has excellent electrical insulation performance, and has extremely strong corrosion resistance. It can improve the corrosion resistance effect of the turbine housing body 1. Through the weather-resistant layer 23, the polymer anti-corrosion coating has the advantages of good resistance to acid, alkali, salt corrosion, water, oil and excellent weather resistance. It can improve the weather resistance effect of the turbine housing body 1. Through the reinforcing layer 31, the high-chromium cast iron has properties such as high strength toughness, high temperature strength, good heat resistance and wear resistance. It can improve the strength of the inner wall of the turbine housing body 1. Through the heat-insulating layer 32, the heat-insulating coating has the function of heat preservation and heat insulation. It can improve the heat-insulating effect of the turbine housing body 1. Through the shielding layer 33, it can prevent cracks from appearing on the inner wall of the turbine housing body 1 and at the same time improve the conveying efficiency.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present utility model.

Claims

1. A turbine housing, comprising a turbine housing body (1), characterized in that: An outer protective layer (2) is provided on the outer surface of the turbine housing body (1). The outer protective layer (2) includes a wear-resistant layer (21), a corrosion-resistant layer (22), and a weather-resistant layer (23). An inner protective layer (3) is provided on the inner surface of the turbine housing body (1). The inner protective layer (3) includes a reinforcing layer (31), a heat-insulating layer (32), and a shielding layer (33). The shielding layer (33) includes a crack-resistant layer (331) and a lotus leaf layer (332).

2. The turbine housing according to claim 1, characterized in that: The wear-resistant layer (21) is located on the outer surface of the corrosion-resistant layer (22), and the corrosion-resistant layer (22) is located on the outer surface of the weather-resistant layer (23).

3. A turbine housing according to claim 1, characterized in that: The material of the wear-resistant layer (21) is wear-resistant ceramic coating, the material of the corrosion-resistant layer (22) is epoxy resin coating, and the material of the weather-resistant layer (23) is polymer anti-corrosion coating.

4. A turbine housing according to claim 1, characterized in that: The shielding layer (33) is located on the inner surface of the heat-insulating layer (32), and the heat-insulating layer (32) is located on the inner surface of the reinforcing layer (31).

5. A turbine housing according to claim 1, characterized in that: The material of the reinforcing layer (31) is high-chromium cast iron, and the material of the heat-insulating layer (32) is heat-insulating coating.

6. A turbine housing according to claim 1, wherein: The lotus leaf layer (332) is located on the inner surface of the crack-resistant layer (331), and the material of the crack-resistant layer (331) is waterproof coating.

7. A turbine housing according to claim 1, characterized in that: The material of the lotus leaf layer (332) is self-cleaning coating, and the thickness of the lotus leaf layer (332) is 10 to 20 microns.

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