阅读说明：本技术 一种双浮力消防水带及其制备方法 (Double-buoyancy fire hose and preparation method thereof ) 是由 陆忠跃 陆宋瑞 于 2020-08-13 设计创作，主要内容包括：本发明涉及消防救援器材技术领域内的一种双浮力消防水带及其制备方法,包括编织层和内覆自粘防渗漏层,所述编织层由密度0.95-0.96g/cm<Sup>3</Sup>的纤维材料编织而成,所述内覆自粘防渗漏层由密度为0.929-0.974g/cm<Sup>3</Sup>的EVA材料,经挤出吹模工艺形成筒状套管；所述内覆自粘防渗漏层粘接于所述编织层的内表面。本发明双浮力消防水带通过材料、结构的优化,使得消防水带更加轻便,灭火救援时可有效降低消防员的体能消耗,进一步提高消防救援速度。(The invention relates to a double-buoyancy fire hose and a preparation method thereof in the technical field of fire rescue equipment, and the double-buoyancy fire hose comprises a woven layer and an inner self-adhesive anti-seepage layer, wherein the woven layer is formed by coating a self-adhesive anti-seepage layer with the density of 0.95-0.96g/cm 3 The inner self-adhesive anti-seepage layer is woven by the fiber material, and the density of the inner self-adhesive anti-seepage layer is 0.929-0.974g/cm 3 The tubular sleeve is formed by the EVA material through an extrusion blow molding process; the inner self-adhesive anti-leakage layer is adhered to the inner surface of the woven layer. According to the double-buoyancy fire hose, the fire hose is lighter and lighter through optimization of materials and structures, physical consumption of firemen can be effectively reduced during fire fighting and rescue, and the fire fighting and rescue speed is further increased.)

1. The double-buoyancy fire hose is characterized by comprising a woven layer (1) and an inner self-adhesive anti-seepage layer (2), wherein the woven layer (1) is formed by coating a self-adhesive anti-seepage layer with the density of 0.95-0.96g/cm³The inner self-adhesive anti-leakage layer (2) is formed by weaving the fiber material, and the density is 0.929-0.974g/cm³The tubular sleeve is formed by the EVA material through an extrusion blow molding process;

the inner self-adhesive anti-leakage layer (2) is adhered to the inner surface of the woven layer (1).

2. Double-buoyancy fire hose according to claim 1, wherein the fibre material of the woven layer (1) comprises a polyethylene fibre material or a mixed fibre material of polyethylene fibres and polyester fibres.

3. Double-buoyancy fire hose according to claim 2, wherein the woven layer (1) is of plain, twill or rugged or flat stripe structure.

4. A double-buoyancy fire hose according to claim 1, wherein the inner covering self-adhesive anti-leakage layer (2) is adhered to the inner surface of the woven layer (1) by a heat self-adhesive process, or,

the inner self-adhesive anti-leakage layer (2) is adhered to the inner surface of the woven layer (1) through an adhesive.

5. The double-buoyancy fire hose according to claim 4, wherein the heating temperature at which the inner self-adhesive anti-leakage layer (2) forms a self-adhesive state is 85-98 ℃ when the inner self-adhesive anti-leakage layer (2) is adhered to the inner surface of the woven layer (1) by a heating self-adhesive process.

6. The double-buoyancy fire hose according to claim 4, wherein the thickness of the inner self-adhesive anti-leakage layer (2) is 0.02-2 mm.

7. A preparation method of a double-buoyancy fire hose is characterized by comprising the following steps:

preparing a woven layer: selecting the density of 0.95-0.96g/cm³The fiber material forms warp and weft, and the warp and the weft form a weaving layer (1) through a weaving process;

the preparation method of the inner self-adhesive anti-leakage layer comprises the following steps: the inner self-adhesive anti-leakage layer has a density of 0.929-0.974g/cm³Forming a cylindrical sleeve by blow molding by using an EVA material with 5-40% of VA;

the step of bonding the woven layer and the inner self-adhesive anti-seepage layer: adhering the inner self-adhesive anti-leakage layer to the inner surface of the woven layer in a weaving or penetrating mode, heating to enable the inner self-adhesive anti-leakage layer to reach a self-adhesive state, controlling the proper temperature to keep for 3-5min, and after the inner self-adhesive anti-leakage layer is fully adhered to the woven layer in a permeating mode, finishing the adhesion of the woven layer and the inner self-adhesive anti-leakage layer in an internal pressure and heating mode;

and (3) drying: and heating and drying the fire hose formed in the step of bonding the woven layer and the inner self-adhesive anti-seepage layer by using an oven, and cooling to form the double-buoyancy fire hose.

8. The preparation method of the double-buoyancy fire hose according to claim 7, wherein in the step of bonding the woven layer and the inner self-adhesive anti-leakage layer, the heating temperature of the inner self-adhesive anti-leakage layer in a self-adhesive state is 85-98 ℃.

9. The preparation method of the double-buoyancy fire hose according to claim 7, wherein in the step of bonding the braided layer with the inner self-adhesive anti-seepage layer, the inner pressure and heating mode is to blow air or introduce hot water into the fire hose, the temperature of the blown air is 20-98 ℃, and the temperature of the introduced hot water is 50-98 ℃.

10. The preparation method of the double-buoyancy fire hose according to claim 7, wherein in the drying step, the heating temperature for heating and drying is 50-99 ℃.

Technical Field

The invention relates to the technical field of fire rescue equipment, in particular to a double-buoyancy fire hose and a preparation method thereof.

Background

The fire hose is a hose for conveying high-pressure water, foam and other flame-retardant liquids, both ends of the fire hose are provided with metal interfaces or special material interfaces, and the fire hose can be connected with another hose to prolong the distance or connected with a nozzle to increase the liquid jet pressure and the jet range.

The fire hose is as the transfer passage of fire water, and after the fire engine arrived the scene of a fire, the fire fighter need bear many sets of fire hoses and carry out laying of fire control water route, and in the narrow region that some fire engines can't be close to, high building and forest fire very much, the weight of fire hose had undoubtedly increased huge burden for fire fighter's physical demands. The weight of the common fire hose with the length of 25-80-20 meters in the prior pan is about 10kg, and if each firefighter bears 3 pans of load, the firefighter needs to bear about 30kg of total weight to move forward. If can alleviate the weight of fire hose, undoubtedly like the weight increase speed that hundred meters race has run the long-distance locomotive and alleviate shoes or clothes, reduce fire fighter's heavy burden power consumption, when keeping physical power, can also improve the rescue speed of putting out a fire.

The search of the prior art finds that the Chinese utility model has the patent publication number of CN106287019A, discloses a fire hose, and relates to the technical field of fire-fighting equipment. It comprises a belt body and a high-temperature resistant composite layer; the belt body is formed by weaving polyester filament yarns or polyester yarns after being mixed and twisted through a circular weaving machine, and the high-temperature resistant composite layer comprises the following components in percentage by weight: 50-60% of ethylene propylene diene monomer, 20-30% of vermiculite, 5-10% of plasticizer, 3-5% of adhesive and 1-3% of paraffin; the thickness ratio of the belt body to the high-temperature-resistant composite layer is 2: 1. The utility model discloses a just have the problem among the above-mentioned, the fire hose is overweight.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a double-buoyancy fire hose and a preparation method thereof.

The double-buoyancy fire hose provided by the invention comprises a woven layer and an inner self-adhesive anti-seepage layer, wherein the density of the woven layer is 0.95-0.96g/cm³The inner self-adhesive anti-seepage layer is woven by the fiber material, and the density of the inner self-adhesive anti-seepage layer is 0.929-0.974g/cm³The tubular sleeve is formed by the EVA material through an extrusion blow molding process;

the inner self-adhesive anti-leakage layer is adhered to the inner surface of the woven layer.

In some embodiments, the fiber material of the woven layer comprises a polyethylene fiber material or a mixed fiber material of polyethylene fibers and polyester fibers.

In some embodiments, the woven layer is a plain weave structure, a twill structure, a concavo-convex oblique stripe structure, or a concavo-convex flat stripe structure.

In some embodiments, the inner self-adhesive leakproof layer is adhered to the inner surface of the woven layer by a heat self-adhesive process, or,

the inner self-adhesive anti-leakage layer is adhered to the inner surface of the woven layer through an adhesive.

In some embodiments, when the inner self-adhesive leakage-proof layer is adhered to the inner surface of the woven layer by a heating self-adhesive process, the heating temperature for the inner self-adhesive leakage-proof layer to form a self-adhesive state is 85-98 ℃.

In some embodiments, the thickness of the inner self-adhesive anti-leakage layer is 0.02-2 mm.

The invention also provides a preparation method of the double-buoyancy fire hose, which comprises the following steps:

preparing a woven layer: selecting the density of 0.95-0.96g/cm³The warp and the weft are formed by the fiber material, and the weaving layer is formed by the warp and the weft through a weaving process;

the preparation method of the inner self-adhesive anti-leakage layer comprises the following steps: the inner self-adhesive anti-leakage layer has a density of 0.929-0.974g/cm³Forming a cylindrical sleeve by blow molding by using an EVA material with 5-40% of VA;

the step of bonding the woven layer and the inner self-adhesive anti-seepage layer: adhering the inner self-adhesive anti-leakage layer to the inner surface of the woven layer in a weaving or penetrating mode, heating to enable the inner self-adhesive anti-leakage layer to reach a self-adhesive state, controlling the proper temperature to keep for 3-5min, and after the inner self-adhesive anti-leakage layer is fully adhered to the woven layer in a permeating mode, finishing the adhesion of the woven layer and the inner self-adhesive anti-leakage layer in an internal pressure and heating mode;

and (3) drying: and heating and drying the fire hose formed in the step of bonding the woven layer and the inner self-adhesive anti-seepage layer by using an oven, and cooling to form the double-buoyancy fire hose.

In some embodiments, in the step of bonding the woven layer and the inner self-adhesive anti-leakage layer, the heating temperature for forming the self-adhesive state of the inner self-adhesive anti-leakage layer is 85-98 ℃.

In some embodiments, in the step of bonding the woven layer and the inner self-adhesive anti-seepage layer, the inner pressure and heating mode is to blow air or introduce hot water into the fire hose, the temperature of the blown air is 20-98 ℃, and the temperature of the introduced hot water is 50-98 ℃.

In some embodiments, in the drying step, the heating temperature for heating and drying is 50-99 ℃.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the double-buoyancy fire hose, the fire hose is lighter and lighter through optimization of materials and structures, physical consumption of firemen can be effectively reduced during fire fighting and rescue, and the fire fighting and rescue speed is further increased.

2. The double-buoyancy fire hose has the advantages that the overall structure density is smaller than that of water, the fire hose can float on water, and can serve as a buoy to save people in water and send marks and signals in emergency.

3. The inner self-adhesive anti-leakage layer of the EVA material is formed by an extrusion film blowing process, on one hand, the inner self-adhesive anti-leakage layer is used as the inner lining anti-leakage layer of the fire hose, on the other hand, the self-adhesive anti-leakage layer and the woven layer are bonded into an integral structure by utilizing the self-adhesive effect, and materials such as adhesive and the like are not needed for bonding, so that the weight of the fire hose is further reduced, and meanwhile, the manufactured fire hose is more environment-friendly.

4. In the manufacturing process of the double-buoyancy fire hose, the heating temperature of the inner self-adhesion anti-leakage layer in a self-adhesion state, the temperature of air or hot water introduced when the inner self-adhesion anti-leakage layer is adhered with the woven layer and the heating temperature during drying are not over 100 ℃, the damage to various chemical fibers, particularly polyethylene fiber yarns is almost zero, the characteristics of materials in the fire hose product can be ensured, and the mechanical properties and other properties of the formed fire hose can be improved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a double-buoyancy fire hose of the present invention;

FIG. 2 is a schematic flow chart of a preparation method of the double-buoyancy fire hose of the invention;

FIG. 3 is a schematic structural view of the double-buoyancy fire hose test device of the invention;

in the drawings, the relevant symbols are:

1-woven layer, 2-inner self-adhesive anti-seepage layer, 3-fire hose, 4-test barrel, 5-auxiliary rod and 6-weight.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.