CN109621266B

CN109621266B - Insect-proof fire hose and production process thereof

Info

Publication number: CN109621266B
Application number: CN201811242343.3A
Authority: CN
Inventors: 孔军旭
Original assignee: Yongkang Bobang Trade Ltd
Current assignee: Chen Bin
Priority date: 2018-10-24
Filing date: 2018-10-24
Publication date: 2020-11-20
Anticipated expiration: 2038-10-24
Also published as: CN109621266A

Abstract

The invention discloses an insect-proof fire hose and a production process thereof, wherein the insect-proof fire hose comprises a pipe body, wherein the pipe body is of a hollow cylindrical tubular structure, the pipe body comprises an outer liner pipe, an inner liner pipe, a braided pipe, a copper wire interwoven pipe and an auxiliary connecting pipe, the outer liner pipe and the inner liner pipe are both of rubber tubular structures, and the inner liner pipe is sleeved in the outer liner pipe; the weaving device comprises an outer lining pipe, an inner lining pipe and a weaving pipe, wherein the weaving pipe and the copper wire interweaving pipe are arranged between the outer lining pipe and the inner lining pipe, the weaving pipe is of a tubular structure formed by weaving polyester fibers through a circular weaving machine, the copper wire interweaving pipe is of a tubular structure formed by weaving copper wires through the circular weaving machine, the weaving pipe and the copper wire interweaving pipe are sleeved, an auxiliary connecting pipe is arranged between the weaving pipe and the copper wire interweaving pipe, and the auxiliary connecting pipe is made of the same material as the outer lining. The fire hose obtained by the process is not easy to damage, has a firm structure, and has the function of preventing insects from biting.

Description

Insect-proof fire hose and production process thereof

Technical Field

The invention belongs to the technical field of fire fighting equipment, and particularly relates to an insect-proof fire hose and a production process thereof.

Background

Fire hose is a hose used to transport high pressure water or fire-retardant liquids such as foam. The traditional fire hose takes rubber as a lining, and the outer surface of the traditional fire hose is wrapped by linen braided fabric. The advanced fire hose is made of polyurethane and other polymer materials. The two ends of the fire hose are provided with metal joints, and the fire hose can be connected with another hose to prolong the distance or connected with a nozzle to increase the liquid injection pressure. The fire hose is a hose for water delivery in fire-fighting fields. The material can be divided into a lined fire hose and an unlined fire hose. The linerless fire hose has low pressure resistance, large resistance, easy water leakage, easy mildew and rot, short service life and is suitable for being laid in a fire scene in a building; the lined water hose has the advantages of high pressure resistance, wear resistance, mildew and corrosion resistance, durability, small resistance, free movement and convenient use, is not easy to leak, can be bent and folded at will, and is suitable for laying and connecting a fire engine in an external fire scene.

The fire hose is an important fire-fighting tool, has strict management and storage regulations, and in the actual use process, special personnel management needs to be implemented, the hose quality and the use condition are mastered in time according to quality classification and numbering and registration. The water hose is stored in a proper temperature and ventilated place, and is rolled up on a vertical water hose rack in a single layer, and turned over twice every year or folded edges are exchanged once. The vehicle-mounted water belts need to avoid mutual friction and need to exchange folded edges when necessary.

Because the fire hose is stored in the building fire hydrant in the approach field, the storage environment is complex, the situation that the fire hose is bitten by insects inevitably occurs, and many fire hoses are bitten by insects in the storage process, so that holes occur, the fire hoses cannot be used, and the fire extinguishing work in fire disasters is seriously hindered. The existing fire hose with a lining mostly uses a binder to bond all parts of the fire hose, so that the problems that the fire hose is easy to be bonded and loses efficacy in the long-term use process, the lining of the fire hose is separated and the like occur.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide an insect-proof fire hose and a production process thereof aiming at the defects in the prior art, and the obtained fire hose is not easy to damage, has a tight structure and has the function of preventing insects from biting.

The technical scheme is as follows: in order to achieve the purpose, the invention provides an insect-proof fire hose which comprises a pipe body, wherein the pipe body is of a hollow cylindrical tubular structure, the pipe body comprises an outer liner pipe, an inner liner pipe, a braided pipe, a copper wire interwoven pipe and an auxiliary connecting pipe, the outer liner pipe and the inner liner pipe are both of rubber tubular structures, and the inner liner pipe is sleeved in the outer liner pipe; the weaving device comprises an outer lining pipe, an inner lining pipe and a weaving pipe, wherein the weaving pipe and the copper wire interweaving pipe are arranged between the outer lining pipe and the inner lining pipe, the weaving pipe is of a tubular structure formed by weaving polyester fibers through a circular weaving machine, the copper wire interweaving pipe is of a tubular structure formed by weaving copper wires through the circular weaving machine, the weaving pipe and the copper wire interweaving pipe are sleeved, an auxiliary connecting pipe is arranged between the weaving pipe and the copper wire interweaving pipe, and the auxiliary connecting pipe is made of the same material as the outer lining.

As an improvement of the scheme, the inner side of the outer liner pipe and the outer side of the inner liner pipe are rolled out to form staggered grains by using a rolling press.

As an improvement of the scheme, the outer surface and the inner surface of the auxiliary connecting pipe are both pressed out of staggered grains by using a rolling press.

As a modification of the scheme, the thickness of the outer liner pipe and the inner liner pipe is 2-3 mm.

As a modification of the scheme, the thickness of the auxiliary connecting pipe is one fourth of that of the outer lining pipe.

As an improvement of the scheme, the edges of the two ends of the pipe body are provided with the covered edges, and the covered edges are made of the same material as the outer liner pipe and are connected with the pipe body in a melting and solidifying mode.

An insect-proof fire hose production process comprises the following steps:

a: weaving a weaving pipe and a copper wire interweaving pipe by using a circular weaving machine;

b: b, putting the braided tube and the copper wire braided tube in the step a into a drying oven for drying, wherein the drying temperature is 50-70 ℃, and the drying time is 2-4 hours;

c: the following materials are prepared according to parts by weight:

d: c, putting the materials in the step c into a mixing cylinder for stirring and mixing;

e: d, putting the mixed materials in the step d into a drying cylinder for drying, wherein the drying temperature is 60-70 ℃, and the drying time is 2-4 hours;

f: pouring the dried mixture in the step e into a smelting furnace for smelting;

g: feeding the mixed material smelted in the step f into an extruder for extrusion, spraying circulating cooling water at the temperature of 10-15 ℃ for cooling after extrusion, and obtaining an outer liner pipe semi-finished product, an inner liner pipe semi-finished product and an auxiliary connecting pipe semi-finished product;

h: feeding the outer liner tube semi-finished product, the inner liner tube semi-finished product and the auxiliary connecting tube semi-finished product into a roller press for rolling, rolling out staggered grains on the outer surface of the outer liner tube semi-finished product, turning over the outer liner tube semi-finished product by using a tube turning machine to obtain an outer liner tube finished product and an inner liner tube finished product, turning over the auxiliary connecting tube by using the tube turning machine, feeding the auxiliary connecting tube into the roller press for rolling, and rolling out the staggered grains on the turned-out surface to obtain an auxiliary connecting tube finished product;

i: sequentially sleeving and connecting a copper wire interweaving pipe, an auxiliary connecting pipe, a braided pipe and an inner lining pipe in the outer lining pipe to obtain a pipe body semi-finished product;

j: one end of the tube body semi-finished product obtained in the step i is tightly sealed by a tying device, the other end of the tube body semi-finished product is sleeved on a gas injection tube, the gas injection tube is fixed by a clamp in a sealing mode, and the gas injection tube is connected with a steam generator;

k: starting a steam generator, injecting high-temperature steam into the semi-finished pipe body, controlling the steam temperature at 120-135 degrees, controlling the steam pressure at 1.5-2 atmospheric pressures, keeping the atmospheric pressures for 2-3 minutes, and then stopping injecting the steam and naturally cooling;

l: taking down the semi-finished product of the pipe body, cutting off the two ends of the pipe body from the mouth tying device and the hoop to the inside, and smearing the mixture melted in the step f on the edge of the cut-off part to obtain a covered edge;

m: and obtaining the insect-proof fire hose.

As an improvement of the scheme, in the step c, the weight parts of the raw materials are as follows:

has the advantages that: the invention relates to an insect-proof fire hose and a production process thereof, and provides the insect-proof fire hose which comprises an outer liner pipe and an inner liner pipe, wherein a braided pipe and a copper wire interweaving pipe are sleeved between the outer liner pipe and the inner liner pipe, and an auxiliary connecting pipe is sleeved between the braided pipe and the copper wire interweaving pipe; the fire hose is in the forming process, high-temperature steam is utilized to carry out high-temperature pressure maintaining treatment, the high-temperature steam is introduced into a sleeved fire hose semi-finished product, the interior of the fire hose semi-finished product is kept in a high-temperature and high-pressure state, an outer liner pipe, an inner liner pipe and an auxiliary connecting pipe are melted at high temperature, the outer liner pipe, the inner liner pipe and the auxiliary connecting pipe are in mutual contact through gaps between the braided pipe and the copper wire interweaving pipe, after cooling, melted materials are solidified again, the outer liner pipe, the inner liner pipe and the auxiliary connecting pipe are connected into a whole, and the braided pipe and the copper wire interweaving pipe are completely. The obtained insect-proof fire hose has a stable structure, and the situation that an outer lining and an inner lining fall off cannot occur.

The mosquito repellent is a broad-spectrum insect repellent, and can effectively make insects lose the sense of giving off special odor to human or animals, thereby achieving the purpose of repelling insects.

The diphenyl isodecyl phosphate is a plasticizer, and the larger the weight percentage of the plasticizer is, the softer the polyvinyl chloride soft film is finally obtained. Meanwhile, the diphenylisodecyl phosphate is also a flame retardant, and is added into raw materials of the outer liner pipe, the inner liner pipe and the auxiliary connecting pipe, so that the fire hose has a flame retardant effect.

The white carbon black is nano SiO2 particles, and is added into raw materials of the outer liner pipe, the inner liner pipe and the auxiliary connecting pipe, so that the wear resistance, weather resistance and ageing resistance of the manufactured outer liner pipe and inner liner pipe can be enhanced, and the service life of the manufactured fire-fighting water pipe is prolonged.

The insect-proof fire hose and the production process thereof can realize the bonding of the outer liner pipe and the inner liner pipe without using a bonding agent, and avoid the defect that the outer liner and the inner liner of the traditional fire hose are easy to separate. Meanwhile, the fire hose prepared by the production process has the effect of preventing insects from biting, can ensure the clean environment in the fire hydrant, and improves the fire extinguishing efficiency of fire extinguishers.

Drawings

FIG. 1, a schematic view of the insect protected fire hose configuration;

FIG. 2, an enlarged view is formed at the position A of the insect-proof fire hose;

FIG. 3, a schematic view of the outer liner inner surface configuration;

FIG. 4 is a schematic view of a connection structure of the insect-proof fire hose and the steam generator;

FIG. 5 is a schematic diagram of the edge structure of the insect-proof fire hose;

list of reference numerals: 1. a pipe body; 2. interlacing grains; 3. a tying device; 4. a gas injection pipe; 5. clamping a hoop; 6. a steam generator; 7. edge covering; 101. an outer liner tube; 102. a liner tube; 103. weaving a tube; 104. a copper wire interweaving pipe; 105. an auxiliary connection pipe.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

An insect-proof fire hose as shown in fig. 1 comprises a pipe body 1. The pipe body 1 is a hollow cylindrical tubular structure, and as shown in fig. 2, the pipe body 1 comprises an outer liner pipe 101, an inner liner pipe 102, a braided pipe 103, a copper wire interwoven pipe 104 and an auxiliary connecting pipe 105. The outer liner pipe 101 and the inner liner pipe 102 are both of rubber tubular structures, and the inner liner pipe 102 is sleeved in the outer liner pipe 101; a braided tube 103 and a copper wire interweaving tube 104 are arranged between the outer liner tube 101 and the inner liner tube 102, the braided tube 103 is a tubular structure formed by weaving polyester fibers through a circular weaving machine, the copper wire interweaving tube 104 is a tubular structure formed by weaving copper wires through the circular weaving machine, the braided tube 103 and the copper wire interweaving tube 104 are sleeved, an auxiliary connecting tube 105 is arranged between the braided tube 103 and the copper wire interweaving tube 104, and the auxiliary connecting tube 105 is made of the same material as the outer liner tube 101 and the inner liner tube 102. The outer liner 101 and inner liner 102 are 2-3mm thick. The thickness of the auxiliary connection pipe 105 is one fourth of the thickness of the outer liner pipe 101.

The inside of the outer liner pipe 101 and the outside of the inner liner pipe 102 are rolled out with a roller press to form the interlaced grain 2. The outer surface and the inner surface of the auxiliary connection pipe 105 are both rolled out with a roller press to form the interlaced grain 2. Fig. 3 illustrates an outer liner tube 101, in which the inner surface of the outer liner tube 101 is rolled with a roller press to form the interlaced pattern 2.

As shown in fig. 5, the pipe body 1 is provided with covered edges 7 at both end edges, and the covered edges 7 are made of the same material as the outer liner pipe 101 and are connected with the pipe body 1 by melting and solidifying.

The production process for manufacturing the insect-proof fire hose comprises the following steps:

example 1

An insect-proof fire hose production process comprises the following steps:

a: weaving a weaving tube 103 and a copper wire interweaving tube 104 by using a circular weaving machine;

b: b, placing the braided tube 103 and the copper wire braided tube 104 in the step a into a drying oven for drying, wherein the drying temperature is 50-70 ℃, and the drying time is 2-4 hours;

c: the following materials are prepared according to parts by weight:

e: d, putting the mixed materials in the step d into a drying cylinder for drying, wherein the drying temperature is 60 ℃, and the drying time is 2 hours;

g: feeding the mixed material smelted in the step f into an extruder for extrusion, spraying circulating cooling water at 10 ℃ after extrusion for cooling to obtain a semi-finished product of the outer liner pipe 101, a semi-finished product of the inner liner pipe 102 and a semi-finished product of the auxiliary connecting pipe 105;

h: feeding the semi-finished product of the outer liner pipe 101, the semi-finished product of the inner liner pipe 102 and the semi-finished product of the auxiliary connecting pipe 105 into a roller press for rolling, rolling out staggered grains 2 on the outer surface of the semi-finished product of the outer liner pipe 101, turning over the semi-finished product of the outer liner pipe 101 by using a pipe turning machine to obtain a finished product of the outer liner pipe 101 and a finished product of the inner liner pipe 102, turning over the auxiliary connecting pipe 105 by using the pipe turning machine, feeding the auxiliary connecting pipe into the roller press for rolling, and rolling out the staggered grains 2 on the turned-out surface to obtain;

i: sequentially sleeving and connecting a copper wire interweaving pipe 104, an auxiliary connecting pipe 105, a braided pipe 103 and an inner lining pipe 102 in the outer lining pipe 101 to obtain a semi-finished product of the pipe body 1;

j: as shown in fig. 3, one end of the semi-finished product of the tube body 1 obtained in the step i is tightly tied and sealed by a tying device 3, the other end of the semi-finished product is sleeved on a gas injection tube 4 and is sealed and fixed by a hoop 5, and the gas injection tube 4 is connected with a steam generator 6;

k: starting a steam generator 6, injecting high-temperature steam into the semi-finished product of the pipe body 1, controlling the steam temperature at 120 ℃ and the steam pressure at 2 atmospheric pressures, keeping for 3 minutes, and then stopping injecting the steam and naturally cooling;

l: taking down the semi-finished product of the pipe body 1, cutting off the two ends of the pipe body 1 from the tying device 3 and the hoop 5 to the inside, and smearing the mixture melted in the step f on the edge of the cut-off part to obtain a covered edge 7;

m: and obtaining the insect-proof fire hose.

Example 2

An insect-proof fire hose production process comprises the following steps:

b: b, placing the braided tube 103 and the copper wire braided tube 104 in the step a into a drying oven for drying, wherein the drying temperature is 60 ℃, and the drying time is 3 hours;

c: the following materials are prepared according to parts by weight:

e: d, putting the mixed materials in the step d into a drying cylinder for drying, wherein the drying temperature is 65 ℃, and the drying time is 3 hours;

g: feeding the mixed material smelted in the step f into an extruder for extrusion, spraying circulating cooling water at the temperature of 12.5 ℃ after extrusion for cooling, and obtaining a semi-finished product of the outer liner pipe 101, a semi-finished product of the inner liner pipe 102 and a semi-finished product of the auxiliary connecting pipe 105;

k: starting the steam generator 6, injecting high-temperature steam into the semi-finished product of the tube body 1, controlling the steam temperature at 130 ℃ and the steam pressure at 1.75 atmospheric pressure, keeping the steam pressure for 2.5 minutes, and then stopping injecting the steam and naturally cooling;

m: and obtaining the insect-proof fire hose.

Example 3

An insect-proof fire hose production process comprises the following steps:

b: b, placing the braided tube 103 and the copper wire braided tube 104 in the step a into a drying oven for drying, wherein the drying temperature is 70 ℃, and the drying time is 2 hours;

c: the following materials are prepared according to parts by weight:

e: d, putting the mixed materials in the step d into a drying cylinder for drying, wherein the drying temperature is 70 ℃, and the drying time is 2 hours;

g: feeding the mixed material smelted in the step f into an extruder for extrusion, spraying circulating cooling water at 15 ℃ after extrusion for cooling to obtain a semi-finished product of the outer liner pipe 101, a semi-finished product of the inner liner pipe 102 and a semi-finished product of the auxiliary connecting pipe 105;

k: starting the steam generator 6, injecting high-temperature steam into the semi-finished product of the pipe body 1, controlling the steam temperature at 135 degrees and the steam pressure at 2 atmospheric pressures, keeping the steam pressure for 2 minutes, and then stopping injecting the steam and naturally cooling;

m: and obtaining the insect-proof fire hose.

In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.

Claims

1. The insect-proof fire hose is characterized by comprising a hose body (1), wherein the hose body (1) is of a hollow cylindrical tubular structure, the hose body (1) comprises an outer liner pipe (101), an inner liner pipe (102), a braided pipe (103), a copper wire interwoven pipe (104) and an auxiliary connecting pipe (105), the outer liner pipe (101) and the inner liner pipe (102) are both of rubber tubular structures, and the inner liner pipe (102) is sleeved in the outer liner pipe (101); a braided tube (103) and a copper wire interweaved tube (104) are arranged between the outer liner tube (101) and the inner liner tube (102), the braided tube (103) is a tubular structure formed by weaving polyester fibers through a circular weaving machine, the copper wire interweaved tube (104) is a tubular structure formed by weaving copper wires through a circular weaving machine, the braided tube (103) and the copper wire interweaved tube (104) are sleeved, an auxiliary connecting tube (105) is arranged between the braided tube (103) and the copper wire interweaved tube (104), and the auxiliary connecting tube (105) is made of the same material as the outer liner tube (101) and the inner liner tube (102); in the forming process of the fire hose, high-temperature steam is used for high-temperature pressure maintaining treatment, the high-temperature steam is introduced into a sleeved fire hose semi-finished product, the interior of the fire hose is kept in a high-temperature and high-pressure state, an outer liner pipe (101), an inner liner pipe (102) and an auxiliary connecting pipe (105) are melted at high temperature, the outer liner pipe, the inner liner pipe and the auxiliary connecting pipe are in contact with each other through a gap between a braided pipe (103) and a copper wire interweaving pipe (104), the melted material is solidified again after cooling, the outer liner pipe (101), the inner liner pipe (102) and the auxiliary connecting pipe (105) are connected into a whole, and the braided pipe (103) and the copper wire interweaving pipe (104) are completely embedded into the whole pipeline after the outer liner pipe (101);

a production process for the insect-proof fire hose comprises the following steps:

a: weaving a weaving tube (103) and a copper wire interweaving tube (104) by using a circular weaving machine;

b: b, putting the braided tube (103) and the copper wire interwoven tube (104) in the step a into a drying oven for drying, wherein the drying temperature is 50-70 ℃, and the drying time is 2-4 hours;

c: the following materials are prepared according to parts by weight:

polyvinyl chloride resin 56.7 parts

28.9 parts of diphenyl isodecyl phosphate

1.2 parts of di-n-octyltin dilaurate

Epoxidized soybean oil 3 parts

0.8 portion of Ca-Zn stabilizer

White carbon black 3 parts

7.2 parts of deet;

g: feeding the mixed material smelted in the step f into an extruder for extrusion, spraying circulating cooling water at the temperature of 10-15 ℃ after extrusion for cooling, and obtaining a semi-finished product of the outer liner pipe (101), a semi-finished product of the inner liner pipe (102) and a semi-finished product of the auxiliary connecting pipe (105);

h: feeding the semi-finished product of the outer liner pipe (101), the semi-finished product of the inner liner pipe (102) and the semi-finished product of the auxiliary connecting pipe (105) into a roller press for rolling, rolling out staggered grains (2) on the outer surface of the semi-finished product of the outer liner pipe (101), turning over the semi-finished product of the outer liner pipe (101) by using a pipe turning machine to obtain a finished product of the outer liner pipe (101) and a finished product of the inner liner pipe (102), turning over the auxiliary connecting pipe (105) by using the pipe turning machine, feeding the auxiliary connecting pipe into the roller press for rolling, and rolling out the staggered grains (2) on the turned-out surface to obtain a;

i: sequentially sleeving and connecting a copper wire interweaving pipe (104), an auxiliary connecting pipe (105), a weaving pipe (103) and an inner lining pipe (102) in an outer lining pipe (101) to obtain a semi-finished product of the pipe body (1);

j: one end of the semi-finished product of the pipe body (1) obtained in the step i is tightly tied and sealed by using a tying device (3), the other end of the semi-finished product is sleeved on a gas injection pipe (4) and is sealed and fixed by using a hoop (5), and the gas injection pipe (4) is connected with a steam generator (6);

k: starting a steam generator (6), injecting high-temperature steam into the semi-finished product of the tube body (1), controlling the steam temperature at 120-135 ℃, controlling the steam pressure at 1.5-2 atmospheric pressures, keeping the atmospheric pressures for 2-3 minutes, and then stopping injecting the steam and naturally cooling;

l: taking down the semi-finished product of the pipe body (1), cutting off the two ends of the pipe body (1) from the mouth tying device (3) and the hoop (5) to the inside, and smearing the mixture melted in the step f on the edge of the cut-off part to obtain a covered edge (7);

m: and obtaining the insect-proof fire hose.

2. The insect protected fire hose of claim 1, wherein: and the inner side of the outer liner pipe (101) and the outer side of the inner liner pipe (102) are rolled out to form staggered grains (2) by using a rolling press.

3. The insect protected fire hose of claim 2, wherein: and the outer surface and the inner surface of the auxiliary connecting pipe (105) are both rolled to form staggered grains (2) by using a rolling press.

4. The insect protected fire hose of claim 3, wherein: the thickness of the outer liner pipe (101) and the inner liner pipe (102) is 2-3 mm.

5. The insect protected fire hose of claim 4, wherein: the thickness of the auxiliary connecting pipe (105) is one fourth of the thickness of the outer liner pipe (101).

6. The insect protected fire hose of claim 5, wherein: the edge of each of two ends of the pipe body (1) is provided with a covered edge (7), and the covered edges (7) are made of materials the same as the outer liner pipe (101) and are connected with the pipe body (1) in a melting and solidifying mode.