Composite porous ceramic metal-based composite membrane

Abstract

The utility model discloses a composite porous ceramic metal matrix composite membrane which comprises a composite membrane main body, the inside of the composite membrane main body comprises a surface functional layer, a transition layer and a metal matrix layer, and the surface functional layer comprises a glass fiber heat insulation protective membrane, a ceramic anticorrosive membrane, a high-strength fiber membrane and a high-temperature-resistant ceramic membrane. The metal matrix layer comprises an aluminum foil metal film, a titanium alloy metal film and a nickel alloy metal film. According to the composite membrane, the metal matrix layer is arranged in the composite membrane main body to serve as a supporting structure, the metal matrix has high porosity and large aperture so as to provide enough mechanical strength and thermal stability, meanwhile, the transition layer is arranged between the metal matrix and the ceramic membrane layer, and the transition layer plays a role in realizing the transition of the aperture, so that the composite membrane is more stable in performance. A large number of film layer particles are prevented from entering a base body, the permeation amount is reduced, meanwhile, the two layers are better combined, the integrity of the film layers is guaranteed, and by arranging the surface functional layer on the outer surface of the composite film, the good heat insulation, corrosion prevention and high-temperature-resistant protection effects are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal composite film technical field, concretely to a composite porous ceramic metal base composite film. BACKGROUND

[0002] Membrane filtration separation technology has the characteristics of high filtration precision, resource saving, environmental friendliness and other characteristics, and is a new type of high-efficiency separation technology in modern times. The metal-based porous ceramic membrane has good mechanical processing performance, welding performance and sealing performance, is resistant to high temperature, high pressure, acid and alkali corrosion, has long service life and is environmentally friendly and easy to clean. With the continuous improvement of the performance requirements of materials and the continuous deepening of the research on metal-based porous ceramic membranes, people's understanding of the mechanism of action of metal-based porous ceramic membranes and the failure mechanism in the use process is also becoming more and more profound, and new processes are constantly improved to improve the performance and service life of metal-based porous ceramic membranes.

[0003] The Chinese patent document with the authorization announcement number CN220478548U discloses a porous metal-based ceramic composite film, relating to the field of ceramic composite films. The composite film includes a ceramic composite layer, a metal powder transition layer and a porous metal base; the metal powder transition layer is arranged between the ceramic composite layer and the porous metal base. The composite film of the utility model has uniform pores, good consistency, few surface defects, high bonding strength of the composite layer, good temperature resistance and long service life of the product.

[0004] The above-mentioned existing composite film has poor multifunctional protection effect, and the transition layer does not have good buffer protection effect, and the internal structural strength of the metal base is poor, so it is necessary to develop a composite porous ceramic metal base composite film. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a composite porous ceramic metal base composite film to solve the problems of poor multifunctional protection effect of the existing composite film, poor buffer protection effect in the transition layer and poor internal structural strength of the metal base in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a composite porous ceramic metal base composite film, which comprises a composite film main body, the composite film main body comprises a surface functional layer, a transition layer and a metal base layer, the surface functional layer comprises a glass fiber heat insulation protective film, a ceramic corrosion resistant film, a high-strength fiber film and a high-temperature resistant ceramic film, the transition layer comprises a nano barrier film, a buffer protection film and a mica protection film, and the metal base layer comprises an aluminum foil metal film, a titanium alloy metal film and a nickel alloy metal film.

[0007] Preferably, the surface functional layer, the transition layer and the metal matrix layer are fixedly adhered by adhesive, the surface functional layer is arranged on the outer surface of the transition layer, and the metal matrix layer is arranged on the inner surface of the transition layer.

[0008] Preferably, the glass fiber thermal insulation protective film is located on one side surface of the ceramic anticorrosion film, the high-strength fiber film is located on the other side surface of the ceramic anticorrosion film, and the high-temperature-resistant ceramic film is located on one side surface of the high-strength fiber film.

[0009] Preferably, the nanometer barrier film is wrapped on one side surface of the buffer protective film, and the mica protective film is wrapped on the other side surface of the buffer protective film.

[0010] Preferably, the aluminum foil metal film is wrapped on one side surface of the titanium alloy metal film, and the nickel alloy metal film is wrapped on the other side surface of the titanium alloy metal film.

[0011] Preferably, the aluminum foil metal film, the titanium alloy metal film and the nickel alloy metal film are fixedly connected through the PET adhesive layer.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a composite film main part built-in metal matrix layer as the supporting structure, and the metal matrix has high porosity and large pore diameter to provide sufficient mechanical strength and thermal stability, and the transition layer is arranged between the metal matrix and the ceramic film layer, the transition layer realizes the transition of the pore diameter, prevents a large number of film layer particles from entering the matrix, reduces the permeation amount, and makes the two layers better combine to guarantee the integrity of the film layer. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the surface functional layer structure schematic diagram of the utility model;

[0016] Figure 3 It is the transition layer structure schematic diagram of the utility model;

[0017] Figure 4 It is the metal matrix layer structure schematic diagram of the utility model.

[0018] In the figure: 1, composite film main body; 2, metal matrix layer; 3, transition layer; 4, surface functional layer; 5, glass fiber heat insulation protective film; 6, ceramic corrosion-resistant film; 7, high-strength fiber film; 8, high-temperature-resistant ceramic film; 9, nano barrier film; 10, buffer protection film; 11, mica protection film; 12, aluminum foil metal film; 13, titanium alloy metal film; 14, nickel alloy metal film. 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, rather than all the embodiments.

[0020] Please refer to Figures 1-4 An embodiment provided by the utility model: a composite porous ceramic metal matrix composite film, comprising a composite film main body 1, the inside of the composite film main body 1 comprises a surface functional layer 4, a transition layer 3 and a metal matrix layer 2, the surface functional layer 4 comprises a glass fiber heat insulation protective film 5, a ceramic corrosion-resistant film 6, a high-strength fiber film 7 and a high-temperature-resistant ceramic film 8, the transition layer 3 comprises a nano barrier film 9, a buffer protection film 10 and a mica protection film 11, and the metal matrix layer 2 comprises an aluminum foil metal film 12, a titanium alloy metal film 13 and a nickel alloy metal film 14.

[0021] Further, the surface functional layer 4, the transition layer 3 and the metal matrix layer 2 are fixedly adhered by an adhesive, the surface functional layer 4 is arranged on the outer surface of the transition layer 3, and the metal matrix layer 2 is arranged on the inner surface of the transition layer 3.

[0022] Further, the glass fiber heat insulation protective film 5 is located on one side surface of the ceramic corrosion-resistant film 6, the high-strength fiber film 7 is located on the other side surface of the ceramic corrosion-resistant film 6, the high-temperature-resistant ceramic film 8 is located on one side surface of the high-strength fiber film 7, and the glass fiber heat insulation protective film 5, the ceramic corrosion-resistant film 6, the high-strength fiber film 7 and the high-temperature-resistant ceramic film 8 are fixedly connected by an adhesive layer, the glass fiber heat insulation protective film 5 can achieve good heat insulation protection effect, the ceramic corrosion-resistant film 6 can achieve good corrosion protection effect, the high-strength fiber film 7 has the advantages of high structural strength and high tensile tear resistance, and the high-temperature-resistant ceramic film 8 can resist high temperature of the external environment and is not prone to high-temperature deformation.

[0023] Further, the nano barrier film 9 is coated on one side surface of the buffer protection film 10, and the mica protection film 11 is coated on the other side surface of the buffer protection film 10, and the transition layer 3 composed of the nano barrier film 9, the buffer protection film 10 and the mica protection film 11 can realize the transition of the pore diameter, prevent a large number of film layer particles from entering the metal matrix, reduce the permeation amount, and make the two layers better combined to ensure the integrity of the film layer.

[0024] Further, the aluminum foil metal film 12 is wrapped on one side surface of the titanium alloy metal film 13, the nickel alloy metal film 14 is wrapped on the other side surface of the titanium alloy metal film 13, and the aluminum foil metal film 12, the titanium alloy metal film 13 and the nickel alloy metal film 14 are fixedly connected through the PET adhesive layer. By arranging the aluminum foil metal film 12, the titanium alloy metal film 13 and the nickel alloy metal film 14, the metal matrix layer 2 has high structural strength. The metal matrix layer 2 serves as a support structure, and the metal matrix has high porosity and large pore size to provide sufficient mechanical strength and thermal stability.

[0025] Working principle: when in use, the composite film main body 1 includes the surface functional layer 4, the transition layer 3 and the metal matrix layer 2. The surface functional layer 4 includes the glass fiber heat insulation protective film 5, the ceramic corrosion resistant film 6, the high-strength fiber film 7 and the high-temperature resistant ceramic film 8. The glass fiber heat insulation protective film 5 can provide good heat insulation protection, the ceramic corrosion resistant film 6 can provide good corrosion protection, the high-strength fiber film 7 has high structural strength and high tear resistance, and the high-temperature resistant ceramic film 8 can resist high temperature and is not easy to deform at high temperature. The transition layer 3 includes the nano barrier film 9, the buffer protection film 10 and the mica protection film 11. The transition layer 3 composed of the nano barrier film 9, the buffer protection film 10 and the mica protection film 11 can realize the transition of the pore size, prevent a large number of film layer particles from entering the metal matrix, reduce the permeation amount, and better combine the two layers to ensure the integrity of the film layer. The metal matrix layer 2 includes the aluminum foil metal film 12, the titanium alloy metal film 13 and the nickel alloy metal film 14. The aluminum foil metal film 12, the titanium alloy metal film 13 and the nickel alloy metal film 14 can provide high structural strength for the metal matrix layer 2. The metal matrix layer 2 serves as a support structure, and the metal matrix has high porosity and large pore size to provide sufficient mechanical strength and thermal stability.

[0026] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device.

Claims

1. A composite porous ceramic metal matrix composite membrane comprising a composite membrane body (1), characterized by, The composite film body (1) comprises a surface functional layer (4), a transition layer (3) and a metal substrate layer (2), the surface functional layer (4) comprises a glass fiber heat insulation protective film (5), a ceramic corrosion resistant film (6), a high-strength fiber film (7) and a high-temperature resistant ceramic film (8), the transition layer (3) comprises a nano barrier film (9), a buffer protective film (10) and a mica protective film (11), and the metal substrate layer (2) comprises an aluminum foil metal film (12), a titanium alloy metal film (13) and a nickel alloy metal film (14).

2. The composite porous ceramic metal matrix composite membrane according to claim 1, characterized in that: The surface functional layer (4), the transition layer (3) and the metal substrate layer (2) are tightly adhered and fixed by an adhesive, the surface functional layer (4) is arranged on the outer surface of the transition layer (3), and the metal substrate layer (2) is arranged on the inner surface of the transition layer (3).

3. The composite porous ceramic metal matrix composite membrane according to claim 1, wherein: The glass fiber heat insulation protective film (5) is located on one side surface of the ceramic corrosion resistant film (6), the high-strength fiber film (7) is located on the other side surface of the ceramic corrosion resistant film (6), the high-temperature resistant ceramic film (8) is located on one side surface of the high-strength fiber film (7), and the glass fiber heat insulation protective film (5), the ceramic corrosion resistant film (6), the high-strength fiber film (7) and the high-temperature resistant ceramic film (8) are fixedly connected through an adhesive layer.

4. The composite porous ceramic metal matrix composite membrane according to claim 1, wherein: The nano barrier film (9) is coated on one side surface of the buffer protective film (10), and the mica protective film (11) is coated on the other side surface of the buffer protective film (10).

5. The composite porous ceramic metal matrix composite membrane according to claim 1, wherein: The aluminum foil metal film (12) is coated on one side surface of the titanium alloy metal film (13), and the nickel alloy metal film (14) is coated on the other side surface of the titanium alloy metal film (13).

6. The composite porous ceramic metal matrix composite membrane according to claim 5, wherein: The aluminum foil metal film (12), the titanium alloy metal film (13) and the nickel alloy metal film (14) are fixedly connected through a PET adhesive layer.

Images