Explosion-proof, flame-retardant, and dust-suppressing fabric for mines

Abstract

This utility model discloses an explosion-proof, flame-retardant, and dust-suppressing fabric for mining operations. It includes a functional integrated layer, and skin-friendly comfort layers and explosion-proof protective layers respectively disposed on the inner and outer sides of the functional integrated layer. The functional integrated layer and its inner and outer skin-friendly comfort layers and explosion-proof protective layers are all connected by high-density chain stitching. A reflective fluorescent layer is stitched to the outer side of the explosion-proof protective layer. This utility model, with its skin-friendly comfort layer, functional integrated layer, and explosion-proof protective layer arranged sequentially from the inside out, effectively improves the overall anti-static, explosion-proof, and flame-retardant effects while ensuring breathable and comfortable wear, thus meeting the daily needs of underground coal mine operations and worthy of promotion and use in the existing market.

Description

Technical Field

[0001] This utility model relates to the field of wearable fabrics, and in particular to explosion-proof, flame-retardant and dust-suppressing fabrics for use in mines. Background Technology

[0002] When underground workers are working in mines, considering the dangers such as gas, coal dust, high temperature, humidity, mechanical friction and chemical substances, the fabrics used in the clothing worn by coal miners must have corresponding protective properties to ensure their safety during underground operations. Utility Model Content

[0003] The purpose of this utility model is to solve the problems existing in the prior art as mentioned in the background art. To achieve the above objective, this utility model adopts the following technical solution:

[0004] The explosion-proof, flame-retardant, and dust-suppressing fabric for mines includes a functional integrated layer, as well as a skin-friendly comfort layer and an explosion-proof protective layer respectively disposed on the inner and outer sides of the functional integrated layer. The functional integrated layer and its inner and outer skin-friendly comfort layers and explosion-proof protective layers are all connected by high-density chain stitching. A reflective fluorescent layer is stitched to the outer side of the explosion-proof protective layer.

[0005] Preferably, the functional integration layer includes a flame-retardant fiber substrate, the inner side of which is coated with a graphene coating, and the outer side of which is sewn with an electrospun filter membrane.

[0006] Preferably, the skin-friendly comfort layer comprises synthetic woven fibers, and the inner surface of the synthetic woven fibers is coated with a functional agent coating.

[0007] Preferably, the synthetic braided fiber is made of polyamide 6 (PA6) microfiber, and the polyamide 6 (PA6) microfiber is an ultrafine fiber with a diameter of <10μm, forming a biomimetic skin texture.

[0008] Preferably, the functional agent spray coating is a mixture of an antibacterial agent made of nano zinc oxide material and a moisturizing agent made of glycerol fatty acid ester material.

[0009] Preferably, the explosion-proof protective layer includes ceramic fibers, and a conductive fiber composite layer is provided on the inner side of the ceramic fibers. The ceramic fibers and the conductive fiber composite layer are woven together, and a hydrophobic coating is sprayed on the outer side of the ceramic fibers.

[0010] Compared with the prior art, the present invention has the following beneficial effects;

[0011] This invention improves the design of existing mine work clothes by adding a skin-friendly and comfortable layer, a functional integrated layer, and an explosion-proof protective layer from the inside out. This not only ensures breathable and comfortable wear but also effectively enhances the overall anti-static, explosion-proof, and flame-retardant effects, thereby meeting the daily needs of underground coal mine operations. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] In the diagram: 1-functional integrated layer, 11-flame retardant fiber substrate, 12-graphene coating, 13-electrostatic spinning filter membrane, 2-skin-friendly comfort layer, 21-synthetic woven fiber, 22-functional agent spray coating, 3-explosion-proof protective layer, 31-ceramic fiber, 32-conductive fiber composite layer, 33-hydrophobic coating, 4-reflective fluorescent layer. Detailed Implementation

[0014] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0015] In the description of this utility model, "multiple" means two or more, unless otherwise explicitly specified.

[0016] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0018] Reference Figure 1The explosion-proof, flame-retardant, and dust-suppressing fabric for mines includes a functional integrated layer 1, and skin-friendly comfort layer 2 and explosion-proof protective layer 3 respectively set on the inner and outer sides of the functional integrated layer 1. The functional integrated layer 1 and its inner and outer skin-friendly comfort layer 2 and explosion-proof protective layer 3 are all connected by high-density chain stitching, using polyester / nylon core-spun yarn with a linear density >1000dtex, a stitch spacing <3mm, and a 40% increase in tear resistance. The outer side of the explosion-proof protective layer 3 is sewn with a reflective fluorescent layer 4, which can provide reflective warnings when working in the dark underground, improving the safety of the operation.

[0019] The functional integration layer 1 includes a flame-retardant fiber substrate 11, which is a polyester / nylon blend (with added phosphorus-based flame retardant APP) with an oxygen index >28%. The inner side of the flame-retardant fiber substrate 11 is coated with a graphene coating 12 with a conductivity <10⁻⁻⁶. 4 S / cm, inhibiting static electricity accumulation, while the outer side of the flame-retardant fiber substrate 11 is sewn with an electrospun filter membrane 13, which is made of polyvinylidene fluoride (PVDF) nanofibers with a porosity >85% and a PM2.5 filtration efficiency >99.97%. In summary, it can provide the overall functional integrated layer 1 with flame-retardant heat insulation, electrostatic adsorption and dust filtration effects.

[0020] The skin-friendly comfort layer 2 includes synthetic woven fibers 21, with a functional agent coating layer 22 sprayed on the inner side of the synthetic woven fibers 21. The synthetic woven fibers 21 are made of polyamide 6 (PA6) microfibers, and the polyamide 6 (PA6) microfibers are ultra-fine fibers with a diameter of <10μm, forming a biomimetic skin texture and reducing the coefficient of friction (<0.3, GB / T3923). The functional agent coating layer 22 is a mixture of antibacterial agent of nano zinc oxide material and moisturizer of glycerol fatty acid ester material, which plays an antibacterial and moisturizing role, making the overall wearing more comfortable.

[0021] The explosion-proof protective layer 3 includes ceramic fibers 31, and a conductive fiber composite layer 32 is provided inside the ceramic fibers 31. The conductive fiber composite layer 32 is made of polyester base fabric embedded with stainless steel microwires (diameter <50μm), with a density of 5~10 wires / cm² and a surface resistivity of 10. 6 ~10 9 Ω, and the ceramic fiber 31 and the conductive fiber composite layer 32 are woven together. The ceramic fiber 31 is coated with a hydrophobic coating 33 on the outside. It uses perfluoroalkoxy (PFAS) resin, has a contact angle of >150°, and reduces the amount of coal dust adhesion by 60%, so that the whole has the functions of antistatic spark, hydrophobic antifouling, wear resistance and tear resistance.

[0022] The above embodiments are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of the present utility model shall be considered equivalent substitutions and shall be included within the protection scope of the present utility model.

[0023] In the description of this utility model, it should be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

Claims

1. Mine explosion-proof flame-retardant dust-suppression fabric, comprising a functional integrated layer (1), further comprising a skin-friendly comfort layer (2) and an explosion-proof protective layer (3) arranged on the inner and outer sides of the functional integrated layer (1) respectively, characterized in that, The functional integration layer (1) and its inner and outer skin-friendly comfort layer (2) and explosion-proof protective layer (3) are all connected by high-density chain stitching. The explosion-proof protective layer (3) is stitched with a reflective fluorescent layer (4) on the outside.

2. The mine explosion-proof, flame-retardant, dust-suppression fabric according to claim 1, characterized in that, The functional integration layer (1) includes a flame-retardant fiber substrate (11), the inner side of which is coated with a graphene coating (12), and the outer side of which is sewn with an electrospun filter membrane (13).

3. The mine explosion-proof, flame-retardant, dust-suppression fabric of claim 2, wherein, The skin-friendly comfort layer (2) includes synthetic woven fibers (21), and the inner surface of the synthetic woven fibers (21) is coated with a functional agent coating layer (22).

4. The mine explosion-proof, flame-retardant, dust-suppression fabric of claim 3, wherein, The synthetic braided fiber (21) is made of polyamide 6 microfiber, and the polyamide 6 microfiber is an ultrafine fiber with a diameter of <10μm, forming a biomimetic skin texture.

5. The mine explosion-proof, flame-retardant, dust-suppression fabric of claim 1, wherein, The explosion-proof protective layer (3) includes ceramic fiber (31), and a conductive fiber composite layer (32) is provided on the inner side of the ceramic fiber (31). The ceramic fiber (31) and the conductive fiber composite layer (32) are woven together, and a hydrophobic coating (33) is sprayed on the outer side of the ceramic fiber (31).

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