阅读说明：本技术 一种超长消防水带的制备方法 (Preparation method of super-long fire hose ) 是由 余秀堂 于 2019-09-29 设计创作，主要内容包括：本发明公开了一种超长消防水带的制备方法,属于消防水带技术领域,其技术方案要点是水带由内向外分为防水内衬层、粘接胶层以及编织外层,该水带的生产方法如下：采用吹膜机将防水内衬层的原料加热熔融后吹成管状的薄膜；采用两台挤出机分别用于生产防水内衬层和粘接层,并将粘接胶层包覆于防水内衬层表面,使二者形成一体结构的管状结构；用圆织机在粘接胶层外表面进行编织,以形成编织外层；将热水通入到消防水带的防水内衬层内,对粘接胶层进行加热使其熔融,在水的压力作用下防水内衬层通过熔融后的粘接胶层粘贴于编织外层的内壁上。采用本发明的水带的生产方法可制作出长达500m的水带,而且工艺简单,效率还较高,非常适于工业化生产。(The invention discloses a preparation method of an ultra-long fire hose, belonging to the technical field of fire hoses, and the technical scheme is characterized in that the fire hose is divided into a waterproof inner liner layer, a bonding adhesive layer and a woven outer layer from inside to outside, and the production method of the fire hose comprises the following steps: heating and melting the raw material of the waterproof lining layer by adopting a film blowing machine, and blowing the raw material into a tubular film; two extruders are respectively used for producing the waterproof lining layer and the bonding layer, and the bonding glue layer is coated on the surface of the waterproof lining layer, so that the waterproof lining layer and the bonding layer form an integral tubular structure; weaving the outer surface of the adhesive glue layer by using a circular weaving machine to form a woven outer layer; let in hot water in the waterproof inside lining layer of fire hose, heat the bonding glue film and make its melting, the bonding glue film of waterproof inside lining layer after through the melting under the pressure effect of water is pasted on weaving outer inner wall. The method for producing the water hose can be used for producing the water hose with the length of 500m, has simple process and higher efficiency, and is very suitable for industrial production.)

1. A preparation method of an ultralong fire hose is characterized by comprising the following steps: the fire hose comprises a waterproof inner liner (1) and a woven outer layer (3), wherein an adhesive layer (2) for bonding the waterproof inner liner (1) and the woven outer layer (3) is arranged between the waterproof inner liner and the woven outer layer, the production steps of the fire hose are as follows,

a) preliminary preparation of the waterproof inner liner (1): heating and melting the raw material of the waterproof lining layer (1) by adopting a film blowing machine, and blowing the raw material into a tubular film;

b) preparation and compounding of the waterproof inner liner layer (1) and the adhesive layer (2): two extruders are respectively used for producing the waterproof inner liner layer (1) and the adhesive layer (2), one extruder extrudes the preliminarily molded waterproof inner liner layer (1) produced in the step a) to form a required specification after passing through a die, the other extruder simultaneously heats and melts the colloidal particle raw material of the adhesive layer (2) and then extrudes and coats the colloidal particle raw material on the surface of the waterproof inner liner layer (1), the extrusion temperature of the two extruders is 150-;

c) preparation of the braided outer layer (3): knitting the outer surface of the integrated tubular structure produced in the step b) by using a circular knitting machine by taking polypropylene fibers as warps and polyester filaments as wefts to form a knitted outer layer (3) of the tubular structure;

d) the weaving outer layer (3) and the bonding glue layer (2) are compounded: and (c) introducing hot water of 80-90 ℃ into the waterproof inner liner (1) of the fire hose obtained in the step c), further heating the bonding adhesive layer (2) to melt the bonding adhesive layer, and adhering the waterproof inner liner (1) to the inner wall of the woven outer layer (3) through the melted bonding adhesive layer (2) under the pressure of the water.

e) And (3) finished product detection: cooling the water in the step d), increasing the pressure of the water until reaching an off-line threshold, detecting whether the water hose is qualified, whether the warp and weft of the outer surface woven outer layer (3) of the water hose are broken, drying and winding the qualified product, storing the qualified product in a warehouse, and taking moisture-proof measures.

2. The preparation method of the overlength fire hose according to claim 1, characterized in that: the waterproof inner liner layer (1) is made of polyethylene.

3. The preparation method of the overlength fire hose according to claim 1, characterized in that: the adhesive layer (2) is prepared by mixing epoxy resin, acrylic acid, antioxidant and adhesive resin.

4. The preparation method of the overlength fire hose according to claim 1, characterized in that: the thickness of the waterproof lining layer (1) is 20-30 mu m.

Technical Field

The invention belongs to the technical field of fire hoses, and particularly relates to a preparation method of an ultralong fire hose.

Background

Fire hoses are hoses used to transport fire-retardant liquids such as high-pressure water or foam. The traditional fire hose takes rubber as a lining, the outer surface of the rubber is coated with a layer of linen fabric, the weight of the longer fire hose is very large, the long fire hose is difficult to move by individuals, the rubber lining is easy to age, the service life of the rubber lining is about 2 years, the hose with the length of 20-30m can be produced generally when the hose is produced and manufactured due to the defects of the process, if the hose with the length of longer length is needed, a production workshop needs to be expanded, more manpower and material resources need to be added, and the production cost is further increased.

Disclosure of Invention

The invention aims to solve the problems and provides a preparation method capable of manufacturing an overlong fire hose.

The purpose of the invention is realized as follows: a preparation method of an ultralong fire hose comprises the following steps of preparing a fire hose, wherein the fire hose comprises a waterproof inner liner layer and a woven outer layer, an adhesive layer for bonding the waterproof inner liner layer and the woven outer layer is arranged between the waterproof inner liner layer and the woven outer layer, the production steps of the fire hose are as follows,

a) preliminary preparation of the waterproof inner liner: heating and melting the raw material of the waterproof lining layer by adopting a film blowing machine, and blowing the raw material into a tubular film;

b) preparing and compounding a waterproof inner liner layer and a bonding glue layer: two extruders are respectively used for producing the waterproof inner liner layer and the bonding layer, wherein one extruder extrudes the preliminarily molded waterproof inner liner layer produced in the step a) to form a required specification after passing through a die, and the other extruder heats and melts the colloidal particle raw material of the bonding adhesive layer and then extrudes and coats the surface of the waterproof inner liner layer, wherein the extrusion temperature of the two extruders is 150-;

c) preparation of the braided outer layer: knitting the outer surface of the integrated tubular structure produced in the step b) by using a circular knitting machine with polypropylene fibers as warps and polyester filaments as wefts to form a knitted outer layer of the tubular structure;

d) compounding the woven outer layer and the adhesive layer: and (3) introducing hot water of 80-90 ℃ into the waterproof lining layer of the fire hose obtained in the step 3), further heating the adhesive layer to melt the adhesive layer, and adhering the waterproof lining layer to the inner wall of the woven outer layer through the melted adhesive layer under the action of water pressure.

e) And (3) finished product detection: cooling the water in the step d), increasing the pressure of the water until reaching an off-line threshold, detecting whether the water band is qualified, whether the warp and weft of the outer woven layer of the water band are broken, drying and rolling the qualified product, storing the product in a warehouse, and taking moisture-proof measures.

The invention is further configured to: the waterproof inner liner layer is made of polyethylene.

The invention is further configured to: the adhesive layer is prepared by mixing epoxy resin, acrylic acid, antioxidant and adhesive resin.

The invention is further configured to: the thickness of the waterproof lining layer is 20-30 mu m.

The invention has the beneficial effects that: 1. the waterproof inner liner layer is made of polyethylene materials, and compared with a rubber inner liner, the waterproof inner liner layer has the characteristics of light weight, wear resistance, difficulty in damage, long service life and the like; 2. the adhesive layer prepared by mixing the epoxy resin, the acrylic acid, the antioxidant and the adhesive resin has very high adhesive force, so that the braided layer and the waterproof lining layer are not easy to separate and fall off; 3. the prior method for manufacturing the water hose can only manufacture 20-30m in a small factory, but the method for manufacturing the water hose can manufacture the water hose with the length of 500m, has simple process and higher efficiency, and is very suitable for industrial production.

Drawings

FIG. 1 is a schematic structural view of the present invention;

the reference numbers in the figures are: 1. a waterproof inner liner layer; 2. bonding the adhesive layer; 3. and (6) weaving the outer layer.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description clearly and completely describes the technical solution in the embodiments of the present invention with reference to the accompanying drawings:

as shown in fig. 1, the preparation method of the ultra-long fire hose comprises a waterproof inner liner layer 1 and a woven outer layer 3, wherein an adhesive layer 2 for bonding the waterproof inner liner layer 1 and the woven outer layer 3 is arranged between the waterproof inner liner layer 1 and the woven outer layer 3, wherein the waterproof inner liner layer 1 is made of polyethylene and has a thickness of 20-30 μm; the adhesive layer 2 is prepared by mixing epoxy resin, acrylic acid, an antioxidant and adhesive resin; the production steps of the fire hose are specifically as follows,

a) preliminary preparation of the waterproof inner liner 1: heating and melting the raw material of the waterproof lining layer 1 by adopting a film blowing machine, and blowing the raw material into a tubular film;

b) preparation and compounding of the waterproof inner liner layer 1 and the adhesive layer 2: two extruders are respectively used for producing the waterproof inner liner layer 1 and the adhesive layer 2, wherein one extruder extrudes the preliminarily molded waterproof inner liner layer 1 produced in the step 1) to form a required specification after passing through a die, and the other extruder extrudes and coats the colloidal particle raw material of the adhesive layer 2 after heating and melting the colloidal particle raw material on the surface of the waterproof inner liner layer 1, wherein the extrusion temperature of the two extruders is 150-;

c) preparation of the braided outer layer 3: knitting the outer surface of the integrated tubular structure produced in the step b) by using a circular knitting machine with polypropylene fibers as warps and polyester filaments as wefts to form a knitted outer layer of the tubular structure;

d) compounding the woven outer layer and the adhesive layer: and (c) introducing hot water of 80-90 ℃ into the waterproof inner liner layer 1 of the fire hose obtained in the step c), further heating the adhesive layer 2 to melt the adhesive layer, and adhering the waterproof inner liner layer 1 to the inner wall of the woven outer layer 3 through the melted adhesive layer 2 under the action of water pressure.

e) And (3) finished product detection: cooling the water in the step d), increasing the pressure of the water until reaching an off-line threshold, detecting whether the water band is qualified, whether the warp and weft of the outer woven layer 3 on the outer surface of the water band are broken, drying and rolling the qualified product, storing the product in a warehouse, and taking moisture-proof measures.

The above-mentioned embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained by those skilled in the art based on the above-mentioned embodiments should also belong to the protection scope of the present invention without any creative effort, so that: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.