Supercharge Your Innovation With Domain-Expert AI Agents!

Fiber drawing furnace

A wire drawing furnace and optical fiber drawing technology, which is applied in the field of optical fiber manufacturing, can solve the problems affecting the quality of optical fiber drawing, the change of optical fiber diameter, and the decrease of optical fiber strength, and achieve the effects of avoiding large fluctuations, low manufacturing cost, and convenient manufacturing.

Inactive Publication Date: 2014-10-01
成都中住光纤有限公司
View PDF4 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved and the technical task proposed by the present invention are to improve the existing technology and provide an optical fiber drawing furnace, which solves the problem that the instability of the inert gas flow in the current technology causes the change in the diameter of the optical fiber and the decrease in the strength of the optical fiber, which affects the optical fiber. The problem of drawing quality

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Fiber drawing furnace
  • Fiber drawing furnace
  • Fiber drawing furnace

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below, obviously, the described embodiments are only some of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] The embodiment of the present invention discloses an optical fiber drawing furnace, which stabilizes the air flow inside and at the exit of the drawing furnace, ensures stable drawing diameter and strength of the optical fiber, and ensures that the optical fiber filament does not bend.

[0023] Such as figure 1 As shown, an optical fiber drawing furnace includes a furnace body 1, an insulating body 2, a heating body 3, and a central tube 4. The insulating body 2 is installed in the furnace body 1, and the insulating bo...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a fiber drawing furnace. The fiber drawing furnace comprises a furnace body, a thermal insulator, a heating body and a central tube and is characterized in that the thermal insulator is arranged in the furnace body and wraps the whole heating body; the heating body is positioned at the periphery of the central tube; a sealing device is arranged at the top of the furnace body; an optical fiber preform penetrates the sealing device to enter the central tube; an optical fiber drawing outlet is formed in the bottom of the furnace body; a gas guiding pipe is connected to a position below the optical fiber drawing outlet; optical fiber drawing wires are pulled out of the gas guiding pipe. According to the invention, the gas guiding pipe is arranged at the optical fiber drawing outlet to play a flow stabilizing role, so that bending caused by horizontal swinging of optical fiber filaments due to variation of airflow is effectively avoided, change of the diameters of the optical fiber filaments is prevented, and the strength of the optical fibers is guaranteed.

Description

technical field [0001] The invention relates to the technical field of optical fiber manufacturing, in particular to an optical fiber drawing furnace. Background technique [0002] Optical fiber drawing furnace is one of the most important equipment in the optical fiber manufacturing process. The temperature in the drawing furnace exceeds 2000 degrees Celsius during wire drawing, and there are a large number of graphite parts in the drawing furnace. Therefore, sufficient inert gas is required to protect the drawing furnace during high-temperature drawing to prevent oxygen from entering the drawing furnace, causing oxidation of graphite parts, thereby Affect the quality of drawn fiber. The main impact of this is as follows. The component materials in the wire drawing furnace are usually high-purity graphite. During wire drawing, the temperature in the furnace is high, and the external air enters the wire drawing furnace to oxidize the graphite at high temperature, which affe...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C03B37/029
Inventor 张正涛刘文早刘和林廖度君傅贤德向勇曾春洪
Owner 成都中住光纤有限公司
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com