Anti-oxidation high-temperature-resistant composite fiber felt

Abstract

The utility model relates to the technical field of fiber felts, and discloses an anti-oxidation high-temperature-resistant composite fiber felt which comprises an anti-oxidation composite fiber layer, and a high-temperature-resistant composite fiber layer is arranged on the inner wall of the anti-oxidation composite fiber layer. The anti-oxidation composite fiber layer and the high-temperature-resistant composite fiber layer are connected in a needling manner to form a final composite fiber mat whole body; the anti-oxidation composite fiber layer comprises an anti-oxidation outer layer, and an anti-oxidation outer frame is fixedly assembled on the side face of the anti-oxidation outer layer. The high-temperature-resistant layer is used for assisting the outer surface of the fiber felt in resisting high temperature, the heat insulation layer is used for assisting the base body layer and the outer surface of the fiber felt in heat insulation, the double-layer heat insulation layer is used for further assisting the device in stably conducting heat insulation and high temperature resistance, and the anti-oxidation outer layer and the anti-oxidation outer frame are used for conducting anti-oxidation protection on the fiber felt. And the anti-oxidation outer layer and the anti-oxidation outer frame are prepared from the refractory fibers, so that high-temperature-resistant and fire-resistant protection is carried out while the anti-oxidation characteristic of the refractory fibers is utilized to assist the fiber felt in oxidation prevention.

Description

Technical Field

[0001] The utility model relates to the technical field of fiber felts, in particular to an anti-oxidation and high-temperature resistant composite fiber felt. Background Art

[0002] Composite fiber felt has the characteristics of high temperature resistance, light weight and easy processing. In order to assist the composite fiber felt to be stably resistant to high temperatures, an anti-oxidation and high temperature resistant composite fiber felt is needed.

[0003] During use, traditional anti-oxidation and high-temperature resistant composite fiber felts are woven mainly with carbon fibers, and the advantages of the carbon fiber body such as light weight, high strength, high corrosion resistance, conductivity, and thermal insulation are used to assist the fiber felt in stable use. However, the carbon fiber body has thermal conductivity, which can easily lead to external heat being easily conducted to the inside of the device during the use of the fiber felt, thereby affecting the stable use of the device. Summary of the invention

[0004] In view of the deficiencies in the prior art, the utility model provides an anti-oxidation and high-temperature resistant composite fiber felt to solve the problems raised by the above-mentioned background technology.

[0005] The utility model provides the following technical solution: an anti-oxidation and high temperature resistant composite fiber felt, comprising an anti-oxidation composite fiber layer, the inner wall of the anti-oxidation composite fiber layer is provided with a high temperature resistant composite fiber layer, the anti-oxidation composite fiber layer and the high temperature resistant composite fiber layer are connected by acupuncture to form a final composite fiber mat as a whole;

[0006] The anti-oxidation composite fiber layer comprises an anti-oxidation outer layer, and an anti-oxidation outer frame is fixedly mounted on the side surface of the anti-oxidation outer layer.

[0007] As a preferred technical solution of the utility model, the high temperature resistant composite fiber layer includes a base layer, a heat insulating layer is fixedly installed on the top of the base layer, and a high temperature resistant layer is fixedly installed on the top of the heat insulating layer.

[0008] As a preferred technical solution of the utility model, there are two thermal insulation layers, and the two thermal insulation layers are fixedly assembled to the top and bottom of the base layer respectively, and the two thermal insulation layers are fixedly assembled with a high temperature resistant layer on one side away from the base layer.

[0009] As a preferred technical solution of the utility model, the number of the anti-oxidation outer layers is two, and the side surfaces of the two anti-oxidation outer layers are respectively fixedly assembled with the sides of the two high-temperature resistant layers away from the heat insulation layer.

[0010] As a preferred technical solution of the utility model, the anti-oxidation outer layer and the anti-oxidation outer frame are both made of refractory fibers, and the anti-oxidation outer layer and the anti-oxidation outer frame are connected into a whole by acupuncture.

[0011] As a preferred technical solution of the utility model, the base layer is made of resin material, the thermal insulation layer is made of high-silica fiber, the high-temperature resistant layer is made of graphite fiber, and the high-temperature resistant layer, the thermal insulation layer and the base layer are connected into a whole by acupuncture.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The anti-oxidation and high-temperature resistant composite fiber felt uses a high-temperature resistant layer and a heat-insulating layer in combination. The high-temperature resistant layer is used to assist the outer surface of the fiber felt to resist high temperatures, and the heat-insulating layer is used to assist the base layer and the outer surface of the fiber felt to insulate, thereby preventing heat from penetrating into the base layer and being conducted through the base layer. The double-layer heat-insulating layer is used to further assist the device in stably insulating and resisting high temperatures.

[0014] 2. The anti-oxidation and high-temperature resistant composite fiber felt uses an anti-oxidation outer layer and an anti-oxidation outer frame to provide anti-oxidation protection for the fiber felt, and uses refractory fibers to prepare the anti-oxidation outer layer and the anti-oxidation outer frame, thereby utilizing the anti-oxidation properties of the refractory fibers themselves to assist the fiber felt in anti-oxidation while providing high-temperature and fire-resistant protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the front section structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the anti-oxidation outer layer of the utility model;

[0018] Figure 4 It is a schematic diagram of the partially disassembled structure of the utility model.

[0019] In the figure: 1. Anti-oxidation composite fiber layer; 2. High temperature resistant composite fiber layer;

[0020] 101. Anti-oxidation outer layer; 102. Anti-oxidation outer frame;

[0021] 201. Base layer; 202. Heat insulation layer; 203. High temperature resistant layer. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4 , an anti-oxidation and high temperature resistant composite fiber felt, comprising an anti-oxidation composite fiber layer 1, a high temperature resistant composite fiber layer 2 is arranged on the inner wall of the anti-oxidation composite fiber layer 1, and the anti-oxidation composite fiber layer 1 and the high temperature resistant composite fiber layer 2 are connected by acupuncture to form a final composite fiber mat as a whole;

[0024] The anti-oxidation composite fiber layer 1 includes an anti-oxidation outer layer 101, and the side of the anti-oxidation outer layer 101 is fixedly equipped with an anti-oxidation outer frame 102. By using the anti-oxidation composite fiber layer 1 in conjunction with the high-temperature resistant composite fiber layer 2, the anti-oxidation composite fiber layer 1 is used to provide external anti-oxidation protection for the high-temperature resistant composite fiber layer 2, and the high-temperature resistant composite fiber layer 2 is used to provide high-temperature heat-insulating protection, thereby assisting the stable use of the fiber felt.

[0025] In a preferred embodiment, the high temperature resistant composite fiber layer 2 includes a base layer 201, a heat insulation layer 202 is fixedly installed on the top of the base layer 201, and a high temperature resistant layer 203 is fixedly installed on the top of the heat insulation layer 202. By using the heat insulation layer 202 and the high temperature resistant layer 203 in coordination, the high temperature resistant layer 203 is used to provide high temperature protection for the fiber felt body, and the heat insulation layer 202 is used to insulate the fiber felt body, thereby avoiding heat penetration and damaging the fiber felt protection.

[0026] In a preferred embodiment, there are two thermal insulation layers 202 , and the two thermal insulation layers 202 are fixedly assembled to the top and bottom of the base layer 201 , respectively. The two thermal insulation layers 202 are fixedly assembled with a high temperature resistant layer 203 on one side away from the base layer 201 .

[0027] In a preferred embodiment, the number of anti-oxidation outer layers 101 is two, and the side surfaces of the two anti-oxidation outer layers 101 are respectively fixedly assembled with the two high-temperature resistant layers 203 on the side away from the thermal insulation layer 202. By adding two anti-oxidation outer layers 101, the two anti-oxidation outer layers 101 and the anti-oxidation outer frame 102 are utilized for wrapping protection, thereby stably preventing oxidation of the fiber felt.

[0028] In a preferred embodiment, the anti-oxidation outer layer 101 and the anti-oxidation outer frame 102 are both made of refractory fibers, and the anti-oxidation outer layer 101 and the anti-oxidation outer frame 102 are connected into a whole by needle punching. The anti-oxidation outer layer 101 and the anti-oxidation outer frame 102 are prepared by refractory fibers, thereby utilizing the high temperature resistance, corrosion resistance and oxidation resistance of the refractory fibers themselves, thereby assisting the device in stabilizing oxidation resistance while assisting the fiber felt in high temperature resistance.

[0029] In a preferred embodiment, the base layer 201 is made of resin material, the thermal insulation layer 202 is made of high-silica fiber, the high-temperature resistant layer 203 is made of graphite fiber, and the high-temperature resistant layer 203 is connected to the thermal insulation layer 202 and the base layer 201 by acupuncture to form a whole. The high-silica fiber and the graphite fiber are used in combination. The high-silica fiber refers to a high-purity glass fiber produced by a leaching method and containing more than 96% silica, which has good ablation resistance. The graphite fiber has high strength and high modulus, good heat shock resistance, small thermal expansion coefficient, can withstand 3500°C in the absence of oxygen, and has excellent flame retardancy, conductivity, and corrosion resistance.

[0030] Working principle: The fiber felt body is erected, so that the anti-oxidation outer layer 101 and the anti-oxidation outer frame 102 are used to protect the fiber felt from oxidation, and the anti-oxidation properties of the refractory fiber itself are used to assist the fiber felt in anti-oxidation while providing high-temperature and fire-resistant protection. The high-temperature resistant layer 203 is used to assist the outer surface of the fiber felt in high-temperature resistance, and the thermal insulation layer 202 is used to assist the base layer 201 and the outer surface of the fiber felt in thermal insulation, thereby preventing heat from penetrating into the base layer 201 and being conducted through the base layer 201, and the double-layer thermal insulation layer 202 is used to further assist the device in stably insulating and resisting high temperatures.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-oxidation and high temperature resistant composite fiber felt, comprising an anti-oxidation composite fiber layer (1), characterized in that: The inner wall of the anti-oxidation composite fiber layer (1) is provided with a high-temperature resistant composite fiber layer (2), and the anti-oxidation composite fiber layer (1) and the high-temperature resistant composite fiber layer (2) are connected by needle punching to form a final composite fiber mat as a whole; The anti-oxidation composite fiber layer (1) comprises an anti-oxidation outer layer (101), and an anti-oxidation outer frame (102) is fixedly mounted on the side surface of the anti-oxidation outer layer (101).

2. The oxidation-resistant and high-temperature-resistant composite fiber felt according to claim 1, characterized in that: The high temperature resistant composite fiber layer (2) comprises a base layer (201), a heat insulation layer (202) is fixedly mounted on the top of the base layer (201), and a high temperature resistant layer (203) is fixedly mounted on the top of the heat insulation layer (202).

3. The oxidation-resistant and high-temperature-resistant composite fiber felt according to claim 2, characterized in that: The number of the heat insulation layers (202) is two, and the two heat insulation layers (202) are respectively fixedly assembled to the top and bottom of the base layer (201), and the sides of the two heat insulation layers (202) away from the base layer (201) are both fixedly assembled with a high temperature resistant layer (203).

4. The oxidation-resistant and high-temperature-resistant composite fiber felt according to claim 1, characterized in that: The number of the anti-oxidation outer layers (101) is two, and the side surfaces of the two anti-oxidation outer layers (101) are respectively fixedly assembled with the sides of the two high-temperature resistant layers (203) away from the heat insulation layer (202).

5. The oxidation-resistant and high-temperature-resistant composite fiber felt according to claim 1, characterized in that: The anti-oxidation outer layer (101) and the anti-oxidation outer frame (102) are both made of refractory fibers, and the anti-oxidation outer layer (101) and the anti-oxidation outer frame (102) are connected as a whole by needle puncture.

6. The oxidation-resistant and high-temperature-resistant composite fiber felt according to claim 2, characterized in that: The base layer (201) is made of resin material, the heat insulation layer (202) is made of high-silica fiber, the high-temperature resistant layer (203) is made of graphite fiber, and the high-temperature resistant layer (203) is connected to the heat insulation layer (202) and the base layer (201) by needle puncture to form a whole.

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