Nanometer novel corrosion-resistant fiber cloth

Through the multi-layer combined nanofiber cloth, the problem of insufficient connection strength between the existing fiber composite fabrics is solved by using needle-punched weaving and through-line technology, and higher protection performance and functions are achieved.

CN222554466UActive Publication Date: 2025-03-04GUWEI IND (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202421544816.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-02
Publication Date
2025-03-04
Estimated Expiration
2034-07-02

AI Technical Summary

Technical Problem

The connection strength of the existing fiber composite fabrics between layers is insufficient, which affects its protective strength.

Method used

Using a multi-layer combined nanofiber cloth, the upper needle-punch layer and the lower needle-punch layer are formed by needle-punching braiding of nanofiber wires, and multiple layers are connected through the through thread to increase the tight connection between layers.

Benefits of technology

The connection strength between layers is improved and the protection performance of the fiber cloth is enhanced, including corrosion protection, waterproofing and insulation functions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses novel nanometer corrosion-resistant fiber cloth. The novel nano corrosion-resistant fiber cloth comprises a lower layer, a middle layer and an upper layer which are sequentially arranged from bottom to top, the upper layer is an upper needling layer formed by needling and weaving nano fibers; the middle layer is a woven layer formed by weaving nano fibers in a criss-cross manner; the lower layer is an upper needling layer formed by needling and weaving nano fibers; and the penetrating line penetrates through the lower layer, the middle layer and the upper layer. According to the utility model, through the combination of multiple layers, the connection tightness between the layers is improved. The upper needled layer and the lower needled layer which are needled and woven are of irregular structures and are tightly attached to the upper side and the lower side of the regularly-woven woven layer, the uneven needled layers can be conveniently embedded into mesh gaps of the woven layer, and meanwhile the multi-layer composite connection strength is achieved through the penetrating lines.
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Description

Technical Field

[0001] The utility model relates to the field of fiber products, in particular to fiber cloth. Background Art

[0002] In order to achieve corrosion resistance, waterproofing, insulation, and long-term protection for steel substrate structures, fiber composite cloth is often coated on the surface of the steel substrate structure. For example, a pipeline repaired and reinforced with fiber composite cloth is disclosed in Publication No. CN202660148U. The pipeline is reinforced and repaired from the outside. Use matching resin glue to paste the entire section of the fiber composite cloth on the outer wall of the pipeline. According to the damage, operation and design requirements of the pipeline, the fiber composite cloth can be pasted in one to multiple layers, and finally a surface protective glue or protective layer is applied. The utility model has the effects of convenient construction, reduced cost, short construction period, high safety factor, small impact on traffic, restoration of the original performance of the diseased pipeline, and improved bearing capacity.

[0003] The fiber composite material cloth is glass fiber cloth, aramid fiber cloth or glass and aramid fiber mixed woven cloth, which is often made of multiple layers of resin glue wet composite superposition, which is not conducive to improving the connection strength between layers, thereby affecting its own protection strength. Utility Model Content

[0004] The utility model aims at the problems and shortcomings of the prior art and provides a novel nano corrosion-resistant fiber cloth.

[0005] The utility model solves the above technical problems through the following technical solutions:

[0006] The utility model provides a novel nano corrosion-resistant fiber cloth, which is characterized by comprising a lower layer, a middle layer and an upper layer arranged in sequence from bottom to top;

[0007] The upper layer is an upper needle-punched layer formed by needle-punching and weaving of nanofiber filaments;

[0008] The middle layer is a woven layer formed by crisscrossing and weaving nanofibers;

[0009] The lower layer is an upper needle-punched layer formed by needle-punching and weaving of nanofiber filaments;

[0010] It also includes a penetration line formed by nanofiber filaments, which penetrates the lower layer, the middle layer and the upper layer.

[0011] The utility model improves the connection tightness between layers through multi-layer combination. The upper and lower needle-punched layers of the needle-punched weaving are irregularly structured and closely attached to the upper and lower sides of the regularly woven woven layer, so that the unevenness of the needle-punched layer can be embedded in the mesh gap of the woven layer. At the same time, the connection strength of the multi-layer composite is achieved through the through-line.

[0012] Further preferably, the middle layer comprises transverse threads arranged transversely and longitudinal threads arranged longitudinally, and the transverse threads and longitudinal threads are arranged vertically and staggered;

[0013] Adhesive is provided at the intersection points of the transverse threads and the longitudinal threads.

[0014] Further preferably, the raw material of the nanofiber filaments is a raw material fused by ultrasonic nanomolecular vibration.

[0015] By subjecting the raw materials to ultrasonic nano-molecular vibration fusion, the particles of the raw materials are vibrated and ordered, thus achieving chemical improvement.

[0016] Further preferably, the raw material of the nanofiber filaments is polyamide, polyvinyl chloride, fluoroplastics, polyaromatic resins, thermosoluble plastics, polyethylenes, polypropylenes, modified polyethylenes, modified polystyrenes, acrylics, acrylic copolymers, polycarbonate or aromatic polyester liquid crystal polymers.

[0017] Further preferably, it further comprises a detection wire made of metal material, wherein the detection wire is passed through the middle layer, and the detection wire is sandwiched between the upper layer and the lower layer.

[0018] It is convenient to detect whether the detection wire is broken by exposing the detection wire and energizing the two ends of the detection wire. It is convenient to realize whether the fiber cloth has been violently pulled by external force, and can realize rapid flaw detection to avoid the breakage of the fiber wire affecting the protection effect.

[0019] Further preferably, the two ends of the detection wire are arranged adjacent to each other;

[0020] Two metal protrusions are fixed on the upper layer, and the metal protrusions are fixedly connected to the two ends of the detection wire.

[0021] On the basis of conforming to the common sense in the art, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present utility model.

[0022] The positive and progressive effects of the utility model are:

[0023] 1) The raw materials of the fiber made by this ultrasonic vibration technology are ordered and evenly fused through particle vibration, thus achieving chemical material enhancement and improvement. (2) It has the functions of anti-corrosion, waterproofing and insulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is an exploded schematic diagram of a specific embodiment 1 of the utility model;

[0025] Figure 2 This is a cross-sectional view of a specific embodiment 1 of the utility model. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0027] like Figure 1 to Figure 2 As shown, in specific embodiment 1, a new type of corrosion-resistant nanofiber cloth includes a lower layer 3, a middle layer 2 and an upper layer 1 arranged in sequence from bottom to top; the upper layer 1 is an upper needle-punched layer formed by needle-punching nanofiber filaments; the middle layer 2 is a woven layer formed by criss-crossing weaving of nanofiber filaments; the lower layer 3 is an upper needle-punched layer formed by needle-punching nanofiber filaments; and it also includes a through line 4 formed by nanofiber filaments, and the through line 4 penetrates the lower layer 3, the middle layer 2 and the upper layer 1. The utility model improves the tightness of the connection between layers through a multi-layer combination. The upper needle-punched layer and the lower needle-punched layer woven by needle-punching are irregular structures, and are closely attached to the upper and lower sides of the regularly woven woven layer, so as to facilitate the unevenness of the needle-punched layer to be embedded in the mesh gap of the woven layer. At the same time, the connection strength of the multi-layer composite is achieved through the through line.

[0028] The middle layer comprises transverse threads arranged transversely and longitudinal threads arranged longitudinally, and the transverse threads and the longitudinal threads are arranged vertically and staggered; and adhesive is arranged at the staggered points of the transverse threads and the longitudinal threads.

[0029] The raw material of nanofiber is the raw material of ultrasonic nanomolecular vibration fusion. By subjecting the raw material to ultrasonic nanomolecular vibration fusion, the particles of the raw material are vibrated and ordered, thus achieving chemical improvement.

[0030] The raw materials of nanofibers are polyamide, polyvinyl chloride, fluoroplastics, polyaromatic resins, thermosoluble plastics, polyethylene, polypropylene, modified polyethylene, modified polystyrene, acrylic resins, acrylic resin copolymers, polycarbonate or aromatic polyester liquid crystal polymers.

[0031] Specific embodiment 2, based on specific embodiment 1, the outer surface of the nanofiber filament is provided with extension thorns extending obliquely outward, so as to improve the connection strength between the layers through the extension thorns.

[0032] Specific embodiment 3, based on specific embodiment 1, a novel nano corrosion-resistant fiber cloth has a thickness of 1.5 mm to 3 mm.

[0033] Specific embodiment 4, based on specific embodiment 1, also includes a detection wire made of metal material, the detection wire is inserted into the middle layer, and the detection wire is clamped between the upper layer and the lower layer. It is convenient to expose the detection wire and energize the two ends of the detection wire to know whether the detection wire is broken. It is convenient to realize whether the fiber cloth has been subjected to violent pulling by external force, and can realize rapid flaw detection to avoid the breakage of the fiber wire affecting the protective effect. The two ends of the detection wire are arranged adjacent to each other; two metal protrusions are fixed on the upper layer, and the metal protrusions are fixedly connected to the two ends of the detection wire. The metal protrusions are connected to the power supply, switch and LED lamp in sequence. The on-off status of the detection wire can be determined by the brightness of the LED lamp. It is convenient to realize regular inspection of the fiber cloth. Once the detection wire is broken, it needs to be replaced to avoid corrosion and aging.

[0034] Although the specific embodiments of the present invention are described above, those skilled in the art should understand that these are only examples, and the protection scope of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principle and essence of the present invention, but these changes and modifications fall within the protection scope of the present invention.

Claims

1. A novel nano corrosion-resistant fiber cloth, characterized in that: It includes a lower layer, a middle layer and an upper layer arranged in sequence from bottom to top; The upper layer is an upper needle-punched layer formed by needle-punching and weaving of nanofiber filaments; The middle layer is a woven layer formed by crisscrossing and weaving nanofibers; The lower layer is an upper needle-punched layer formed by needle-punching and weaving of nanofiber filaments; It also includes a penetration line formed by nanofiber filaments, which penetrates the lower layer, the middle layer and the upper layer.

2. A novel nano corrosion-resistant fiber cloth as claimed in claim 1, characterized in that: The middle layer includes transverse threads arranged transversely and longitudinal threads arranged longitudinally, and the transverse threads and longitudinal threads are arranged vertically and staggered; Adhesive is provided at the intersection points of the transverse threads and the longitudinal threads.

3. The novel nano corrosion-resistant fiber cloth according to claim 1, characterized in that: The raw material of the nanofiber filament is the raw material of ultrasonic nanomolecular vibration fusion.

4. The novel nano corrosion-resistant fiber cloth according to claim 1, characterized in that: It also includes a detection wire made of metal material, which is passed through the middle layer and sandwiched between the upper layer and the lower layer.

5. A novel nano corrosion-resistant fiber cloth as claimed in claim 4, characterized in that: The two ends of the detection wire are arranged adjacent to each other; Two metal protrusions are fixed on the upper layer, and the metal protrusions are fixedly connected to the two ends of the detection wire.

Citation Information

Patent Citations

  • Pipeline repaired and reinforced by fiber composite cloth

    CN202660148U