CN214881109U

CN214881109U - Ultra-thin float glass annealing device

Info

Publication number: CN214881109U
Application number: CN202120268032.5U
Authority: CN
Inventors: 徐开俊
Original assignee: Chongqing Yurong Glass Co ltd
Current assignee: Chongqing Yurong Glass Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-26
Anticipated expiration: 2031-01-29

Abstract

The utility model relates to a glass processing technology field, concretely relates to ultra-thin float glass annealing device, including support and conveyer belt, the conveyer belt installation sets up on the support, the conveyer belt is including a plurality of driving rollers, the vent pipe who is equipped with a plurality of parallel arrangement is put on the support, the terminal surface is provided with duck palm form and hollow air-out piece under the vent pipe, the last port of air-out piece is the macrostoma of osculum its lower port for platykurtic, the last port of air-out piece and the perpendicular fixed connection of lower terminal surface and the intercommunication of vent pipe, and the lower port of the air-out piece on the adjacent vent pipe is close to the setting mutually. The utility model provides a glass traditional annealing mode more single, and anneal inefficiency, the unsatisfactory problem of effect.

Description

Ultra-thin float glass annealing device

Technical Field

The utility model relates to a glass processing technology field, concretely relates to ultra-thin float glass annealing device.

Background

Annealing is a metal heat treatment process, which refers to slowly heating metal to a certain temperature, keeping for a sufficient time, and then cooling at a proper speed in order to reduce hardness and improve machinability; the residual stress is eliminated, the size is stabilized, and the deformation and crack tendency is reduced; refining crystal grains, adjusting the structure and eliminating the structure defects, and precisely, annealing is a heat treatment process for materials, including metal materials and non-metal materials.

Annealing of glass in order to reduce or eliminate the residual permanent stress due to the temperature difference between the inside and outside of the glass product after molding or hot working, the process of heat treatment within a certain temperature range of glass is called annealing.

In the prior art, annealing is generally performed in an annealing furnace, and the general annealing furnace generally blows air to a glass plate in a mode of arranging a plurality of blowpipes, so that the annealing purpose is achieved, however, the annealing mode is single, the annealing efficiency is low, and the effect is not ideal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultra-thin float glass annealing device solves the traditional annealing mode of glass more single, and anneals inefficiency, the unsatisfactory problem of effect.

In order to achieve the purpose, the ultra-thin float glass annealing device comprises a support and a conveyor belt, wherein the conveyor belt is arranged on the support and comprises a plurality of transmission rollers, a plurality of parallel air ducts which are arranged at equal intervals are erected on the support and above the conveyor belt, a plurality of air outlet pieces which are duck-leg-shaped and hollow are arranged on the lower end faces of the air ducts, the upper end opening of each air outlet piece is a small opening, the lower end opening of each air outlet piece is a large flat opening, the upper end opening of each air outlet piece is vertically and fixedly connected and communicated with the lower end face of each air duct, and the end parts of the lower end openings of the air outlet pieces on the adjacent air ducts are arranged close to each other.

The principle and the advantages are as follows:

1. the setting of air duct and air-out piece, when the glass board was annealed, continuously let in gas to air duct, because air-out piece and air duct's the perpendicular fixed connection of lower terminal surface and intercommunication, and air duct is located the conveyer belt top, therefore air-out piece can be for glass cooling rapidly, reaches the purpose of annealing.

2. The conveying belt and the air outlet piece are arranged, and the air outlet piece is duck-palm-shaped, hollow and is provided with a flat large opening at the lower end, so that air outlet at the lower end is stronger, and the annealing effect is better. In addition, the end parts of the lower ports of the air outlet pieces on the adjacent air vent pipelines are arranged close to each other, and the conveying function of the conveying belt is achieved, so that wind energy blown out by the air outlet pieces can be blown to each position of the glass plate, the glass plate is cooled uniformly, the temperature difference of each part of the glass plate in the annealing process is reduced or even eliminated, the problem that the glass is cracked due to nonuniform thermal stress in the annealing process is solved, and the problems that the annealing efficiency of the traditional annealing mode of the glass is low and the effect is not ideal are solved.

Further, a heat insulation layer is arranged on the transmission roller. The temperature that the driving roller influences the glass board can be avoided, lead to temperature distribution inhomogeneous to make thermal stress inequality and take place to explode the problem of splitting.

Further, the air outlet piece is made of stainless steel. The welding fixation and the material drawing are very convenient.

Further, the upper end opening of the air outlet piece is rectangular, and the length of the rectangle is the width of the air vent pipeline. The air outlet quantity of the lower port of the air outlet part is convenient to increase, and therefore the annealing effect is improved.

Furthermore, the number of the air ducts is 3-4, and each air duct is provided with 2-4 air outlet pieces which are arranged at equal intervals. Through evenly setting up the air-out spare, be convenient for improve the annealing effect of glass board.

Further, the vent pipe is a square pipe with a rectangular cross section. The square pipe is convenient for install fixedly, makes things convenient for the welded fastening etc. of air-out spare simultaneously.

Drawings

FIG. 1 is an isometric view of an ultra-thin float glass annealing apparatus according to an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: air duct 1, glass board 2, driving roller 3, support 4, air-out piece 5.

Examples

The utility model provides an ultra-thin float glass annealing device, is located the outlet side of molten tin bath, links to each other with the molten tin bath through the transition roller platform, and the transition roller platform is used for transporting glass plate 2 in the molten tin bath to annealing device. The annealing device comprises a heating soaking zone, an important annealing zone, a slow cooling zone, a quick cooling zone and a quick cooling zone which are used for the glass plate 2 on the transition roller table to pass through in sequence.

And heating a soaking zone, namely a pre-annealing zone, wherein the glass strip passes through a transition roller table and enters an annealing kiln from a tin bath, the temperature is generally 590 +/-10 ℃, and the temperature difference exists between the upper surface and the lower surface of the glass strip and the transverse direction of the glass strip and is increased along with the increase of the thickness of the glass plate 2. In order to improve the annealing quality of the glass, the edge or the bottom must be properly heated, so the glass is called a heating soaking zone.

The important annealing band is the most critical area in the glass annealing process, and the cooling speed and the temperature distribution determine the permanent stress magnitude and distribution of the annealed glass. The slow cooling zone, the rapid cooling zone, and the rapid cooling zone are collectively called cooling zones, and are important stages for gradually cooling the glass sheet 2 to a temperature required for cutting by controlling the cooling rate of the glass sheet 2 without causing the glass sheet 2 to explode.

Heating soaking zone, important annealing area, slow cooling zone, quick cooling zone and cool off the area fast and all be equipped with the conveyer belt that is used for transmitting glass board 2, and the conveyer belt is including many driving rollers 3 that arrange in proper order the interval, and the length direction of driving roller 3 is mutually perpendicular with the direction of transmission of glass board 2, sets up the insulating layer on the driving roller 3.

The ultra-thin float glass annealing device is mainly applied to a rapid cooling zone, is in an open type, and is basically as shown in the attached drawing 1: the device comprises a support 4, wherein a plurality of parallel air ducts 1 arranged at equal intervals are erected above the support 4 and on a conveyor belt, 3-4 air ducts 1 are arranged, in the embodiment, 3 air ducts 1 are arranged, and the air ducts 1 are square pipes with rectangular cross sections. The lower end face of the air duct 1 is provided with a plurality of hollow air outlet pieces 5 in a duck palm shape, and the four sides of the air outlet pieces are trapezoidal. The upper port of the air outlet piece 5 is a small opening, specifically a rectangle, and the length of the rectangle is the width of the vent pipe 1; the lower port of the air outlet piece 5 is a flat large port. Each air duct 1 is provided with 2-4 air outlet members 5 arranged at equal intervals, and in this embodiment, each air duct 1 is provided with two air outlet members 5 arranged at equal intervals. The upper port of the air outlet piece 5 is vertically and fixedly connected and communicated with the lower end face of the air duct 1, and the end parts of the lower ports of the air outlet pieces 5 on the adjacent air ducts 1 are close to each other and are specifically arranged in a straight line.

The specific implementation process is as follows:

when the glass plate 2 is annealed, gas is continuously introduced into the air duct 1, and because the lower end face of the air outlet piece 5 and the air duct 1 is vertically and fixedly connected and communicated, and the air duct 1 is positioned above the conveyor belt, the air outlet piece 5 can rapidly cool the glass, and the annealing purpose is achieved.

Because the air outlet piece 5 is in a duck-leg shape, is hollow and has a flat large opening at the lower end opening, the air outlet at the lower end opening is stronger, and the annealing effect is better. In addition, the end parts of the lower ports of the air outlet pieces 5 on the adjacent air ducts 1 are arranged close to each other, and the conveying function of the conveying belt is achieved, so that air blown out of the air outlet pieces 5 can be blown to each position of the glass plate 2, the glass plate 2 is cooled uniformly, the temperature difference of each part of the glass plate 2 in the annealing process is reduced or even eliminated, the problem that the glass is cracked due to nonuniform thermal stress in the annealing process is solved, and the problems that the annealing efficiency of the traditional glass annealing mode is low and the effect is not ideal are solved.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is described too much here, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can learn all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine the capability of themselves to perfect and implement the scheme, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the scheme. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Ultra-thin float glass annealing device, its characterized in that: including support and conveyer belt, the conveyer belt installation sets up on the support, the conveyer belt is including a plurality of driving rollers, erect a plurality of parallel and equidistant vent pipe who sets up on the support and on being located the conveyer belt, the terminal surface is provided with a plurality of duck's palm form and hollow air-out spare that are under the vent pipe, the last port of air-out spare is the macrostoma of osculum under it, the last port of air-out spare and vent pipe's the perpendicular fixed connection of lower terminal surface and intercommunication, the tip of air-out spare lower port is close to the setting mutually on the adjacent vent pipe.

2. The ultra-thin float glass annealing apparatus according to claim 1, wherein: and the transmission roller is provided with a heat insulation layer.

3. The ultra-thin float glass annealing apparatus according to claim 1, wherein: the air outlet piece is made of stainless steel.

4. The ultra-thin float glass annealing apparatus according to claim 1, wherein: the upper end opening of the air outlet piece is rectangular, and the length of the rectangle is the width of the air vent pipeline.

5. The ultra-thin float glass annealing apparatus according to claim 1, wherein: the number of the air ducts is 3-4, and each air duct is provided with 2-4 air outlet pieces arranged at equal intervals.

6. The ultra-thin float glass annealing apparatus according to claim 1, wherein: the vent pipe is a square pipe with a rectangular cross section.