阅读说明：本技术 一种阻燃光缆填充料的强化方法 (Method for strengthening flame-retardant optical cable filler ) 是由 陈猛 王锃 汪飞 于 2019-09-10 设计创作，主要内容包括：本发明公开了一种阻燃光缆填充料的强化方法,通过将阻燃涂料与铁屑、煤矸石粉末结合制成填充料,使填充料具有足够强度的同时,具有较低的造价,阻燃涂料的加入使填充料增强光缆的阻燃性能,克服了现有填充料功能单一,仅仅能够起到增加强度的作用,且强度不足,造价较高,不利于推广的问题。(The invention discloses a method for strengthening a flame-retardant optical cable filler, which is characterized in that flame-retardant coating is combined with scrap iron and coal gangue powder to prepare the filler, so that the filler has enough strength and lower manufacturing cost, the flame-retardant property of an optical cable is enhanced by the filler due to the addition of the flame-retardant coating, and the problems that the existing filler has single function, can only play a role of increasing the strength, has insufficient strength and higher manufacturing cost and is not beneficial to popularization are solved.)

1. The method for strengthening the flame-retardant optical cable filler is characterized by comprising the following steps of: the method comprises the following steps:

(1) crushing coal gangue, putting into a rolling machine, rolling into coal gangue powder, doping scrap iron into the coal gangue powder, uniformly mixing, putting into a flame-retardant coating, stirring and mixing at the high temperature of 100 ℃ and 130 ℃, naturally cooling to obtain a filling block after mixing, cutting the filling block into a plurality of small blocks, and putting into a granulator to obtain a filling raw material;

(2) putting a filling raw material into graphene powder, putting the filling raw material and the graphene powder into a baking box for heating, setting the heating temperature to be 100-180 ℃, setting the heating time to be 10-20 minutes, softening the filling raw material to be bonded with the graphene powder, stopping heating after the heating time is up, and taking out the filling raw material after the filling raw material is recovered to normal temperature to obtain the filler;

(3) and putting the filler into water for cleaning, and washing away redundant graphene powder on the surface of the filler.

2. The method for reinforcing a flame-retardant optical cable filler according to claim 1, wherein: in the step (1), the filling block is cut into a plurality of small blocksThe volume of the small blocks after cutting is kept not more than 500cm³。

3. The method for reinforcing a flame-retardant optical cable filler according to claim 1, wherein: in the step (2), when the raw materials filled in the baking oven are heated, the baking oven needs to be started regularly, and gas generated in the heating process is discharged.

4. The method for reinforcing a flame-retardant optical cable filler according to claim 1, wherein: in the step (3), after the redundant graphene powder on the surface of the filler is washed away, the coverage condition of the graphene on the surface of the filler is checked, when the graphene on the surface of the filler is not uniformly covered or partially lacked, the filler is taken out, put into the graphene powder, put into a baking oven, and reheated according to the method in the step (2) to soften the filler and adhere to the graphene powder.

5. The method for reinforcing the flame-retardant optical cable filler according to claim 4, wherein: when the covering condition of graphene on the surface of the filler is checked, the graphene on the surface of the filler is lightly knocked by using an iron rod, and if the graphene falls off seriously, the filler and graphene powder are mixed and put into the baking oven again.

6. The method for reinforcing the flame-retardant optical cable filler according to claim 4, wherein: the heating time of the filling material put into the baking oven again is 5-10 minutes.

7. The method for reinforcing the filler for flame-retardant optical cables as claimed in claim 6, wherein: the heating time of the filling material put into the oven again was 7 minutes.

8. The method for reinforcing a flame-retardant optical cable filler according to claim 1, wherein: in the step (2), the heating temperature is set to 150 ℃ and the heating time is set to 15 minutes.

Technical Field

The invention relates to the field of optical cables, in particular to a method for strengthening a flame-retardant optical cable filler.

Background

Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies.

In the existing manufacturing process of the flame-retardant optical cable, the filler is usually added into the raw materials to increase the strength of the optical cable, and the existing filler has single function, can only play a role of increasing the strength, has insufficient strength and higher manufacturing cost, and is not beneficial to popularization.

Disclosure of Invention

The invention aims to provide a method for strengthening a flame-retardant optical cable filler, which aims to solve the technical problem.

In order to solve the technical problems, the invention adopts the following technical scheme:

a method for strengthening flame-retardant optical cable filler comprises the following steps:

(1) crushing coal gangue, putting into a rolling machine, rolling into coal gangue powder, doping scrap iron into the coal gangue powder, uniformly mixing, putting into a flame-retardant coating, stirring and mixing at the high temperature of 100 ℃ and 130 ℃, naturally cooling to obtain a filling block after mixing, cutting the filling block into a plurality of small blocks, and putting into a granulator to obtain a filling raw material;

(2) putting a filling raw material into graphene powder, putting the filling raw material and the graphene powder into a baking box for heating, setting the heating temperature to be 100-180 ℃, setting the heating time to be 10-20 minutes, softening the filling raw material to be bonded with the graphene powder, stopping heating after the heating time is up, and taking out the filling raw material after the filling raw material is recovered to normal temperature to obtain the filler;

(3) and putting the filler into water for cleaning, and washing away redundant graphene powder on the surface of the filler.

Preferably, in the step (1), when the filling block is cut into a plurality of small blocks, the volume of the cut small blocks is kept not to exceed 500cm 3.

Preferably, in the step (2), when the raw materials filled in the oven are heated, the oven needs to be opened at regular time to exhaust the gas generated in the heating process.

Preferably, in the step (3), after the redundant graphene powder on the surface of the filler is washed away, the coverage condition of the graphene on the surface of the filler is checked, when the graphene on the surface of the filler is not uniformly covered or partially lacked, the filler is taken out, put into the graphene powder, put into a baking oven, and reheated according to the method in the step (2) to soften the filler and adhere to the graphene powder.

Preferably, when the coverage condition of graphene on the surface of the filler is checked, the graphene on the surface of the filler is lightly knocked by using an iron rod, and if the graphene falls off seriously, the filler and the graphene powder are mixed and put into the baking oven again.

Preferably, the heating time of the filling material put into the oven again is 5 to 10 minutes.

Preferably, the heating time of the charge placed back into the oven is 7 minutes.

Preferably, in the step (2), the heating temperature is set to 150 degrees, and the heating time is set to 15 minutes.

The invention has the beneficial effects that:

1. the flame-retardant optical cable filler is prepared by combining the flame-retardant coating, the scrap iron and the coal gangue powder, so that the filler has enough strength and low manufacturing cost, and the flame-retardant optical cable filler is added to enhance the flame-retardant performance of the optical cable, thereby overcoming the problems that the existing filler has single function, can only play a role in enhancing the strength, has insufficient strength and high manufacturing cost, and is not beneficial to popularization.

2. The graphene powder covers the surface of the filling raw material, so that the strength of the filling material is improved, and the flame retardant effect of the optical cable is enhanced.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

A method for strengthening flame-retardant optical cable filler comprises the following steps:

(1) crushing coal gangue, putting into a rolling machine, rolling into coal gangue powder, doping scrap iron into the coal gangue powder, uniformly mixing, putting into a flame-retardant coating, stirring and mixing at the high temperature of 100 ℃ and 130 ℃, naturally cooling to obtain a filling block after mixing, cutting the filling block into a plurality of small blocks, and putting into a granulator to obtain a filling raw material;

(2) putting a filling raw material into graphene powder, putting the filling raw material and the graphene powder into a baking box for heating, setting the heating temperature to be 100-180 ℃, setting the heating time to be 10-20 minutes, softening the filling raw material to be bonded with the graphene powder, stopping heating after the heating time is up, and taking out the filling raw material after the filling raw material is recovered to normal temperature to obtain the filler;

(3) and putting the filler into water for cleaning, and washing away redundant graphene powder on the surface of the filler.

In the step (1), when the filling block is cut into a plurality of small blocks, the volume of the cut small blocks is kept to be not more than 500cm³。

In the step (2), when the raw materials filled in the baking oven are heated, the baking oven needs to be started regularly, and gas generated in the heating process is discharged.

In the step (3), after the redundant graphene powder on the surface of the filler is washed away, the coverage condition of the graphene on the surface of the filler is checked, when the graphene on the surface of the filler is not uniformly covered or partially lacked, the filler is taken out, put into the graphene powder, put into a baking oven, and reheated according to the method in the step (2) to soften the filler and adhere to the graphene powder.

When the covering condition of graphene on the surface of the filler is checked, the graphene on the surface of the filler is lightly knocked by using an iron rod, and if the graphene falls off seriously, the filler and graphene powder are mixed and put into the baking oven again.

The heating time of the filling material put into the baking oven again is 5-10 minutes.

The heating time of the filling material put into the oven again was 7 minutes.

In the step (2), the heating temperature was set to 150 ℃ and the heating time was set to 15 minutes.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.