CN212403921U

CN212403921U - Glass kiln flue gas mixing arrangement

Info

Publication number: CN212403921U
Application number: CN201922488516.6U
Authority: CN
Inventors: 李淼; 王刚; 王答成
Original assignee: Irico Display Devices Co Ltd
Current assignee: Irico Display Devices Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2021-01-26
Anticipated expiration: 2029-12-30

Abstract

The utility model provides a glass kiln flue gas mixing arrangement, simple structure, reasonable in design has ensured that the high temperature flue gas does not squint, places the flue gas and mixes unevenly, effectively guarantees equipment safe operation. The glass kiln flue gas mixing device comprises an annular structure device; the annular structure device is arranged in an annular round pipe, a high-temperature flue gas channel is formed in the annular center of the annular round pipe, a low-temperature air inlet is formed in the outer side of the annular round pipe, and a plurality of low-temperature air outlets are formed in the inner side of the annular round pipe in an array manner along the annular circumferential direction; the low-temperature air inlet is connected with the outer side of the annular circular tube into a whole through a smooth transition structure. The annular circular tube is coaxially nested and fixed in the flue gas pipeline and is integrated with the high-temperature flue gas pipeline, so that the working efficiency is improved. A low-temperature air inlet is formed in the outer side of the annular circular tube, so that low-temperature air can conveniently enter the annular circular tube; the inner side is provided with a plurality of low-temperature air outlets in an array along the annular circumferential direction, so that the low-temperature air is conveniently discharged and is effectively mixed with high-temperature flue gas.

Description

Glass kiln flue gas mixing arrangement

Technical Field

The utility model relates to a sheet glass production field specifically is a glass kiln flue gas mixing arrangement, can be used to any similar requirement high temperature low temperature mixing arrangement field.

Background

In the production process of the plate glass, high-temperature flue gas generated by combustion in a glass kiln needs to be rapidly cooled, and a mixing structure device and a mixing mode of the high-temperature flue gas and low-temperature air need to be carried out. Meanwhile, the corrosion of the high-temperature flue gas to the equipment needs to be considered, and a rapid cooling technology of the high-temperature flue gas needs to be considered, so that the high-temperature flue gas is effectively and fully mixed in a short time, the high-temperature flue gas is prevented from deviating, the uneven mixing of the flue gas is prevented, and the safe operation of the equipment is protected. At present, in the production process of a plate glass kiln, in the design process of a flue gas mixing device, an air inlet pipeline of cooling air is in a non-circular design, the flow direction of cooling in a cooling pipe is blocked, when the cooling air is mixed with hot air, the air volume of the air inlet side of the cooling air is larger, the air volume of the cooling air in other three directions is smaller, even the cooling air in the opposite surface of an air inlet is almost zero, the hot air offset phenomenon occurs, the metal temperature on one side of a mixing cavity is obviously higher, the corrosion is serious, the service life is influenced, the unreasonable design and the unscientific mixing mode of the existing flue gas mixing device cause the occurrence of problems, and great troubles are brought to the production of.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a glass kiln flue gas mixing arrangement, simple structure, reasonable in design has ensured that the high temperature flue gas does not squint, places the flue gas and mixes unevenly, effectively guarantees equipment safe operation.

The utility model discloses a realize through following technical scheme:

a glass kiln flue gas mixing device comprises an annular structure device;

the annular structure device is arranged in an annular round pipe, a high-temperature flue gas channel is formed in the annular center of the annular round pipe, a low-temperature air inlet is formed in the outer side of the annular round pipe, and a plurality of low-temperature air outlets are formed in the inner side of the annular round pipe in an array mode along the annular circumferential direction;

the low-temperature air inlet is connected with the outer side of the annular circular tube into a whole through a smooth transition structure.

Preferably, the annular circular tube is coaxially nested and fixed in the flue gas pipeline, and the flue gas upstream side of the annular circular tube is used as a high-temperature flue gas inlet; the other side is a high-temperature flue gas outlet.

Preferably, the low-temperature air outlet is in a circular hole shape and is arranged close to the high-temperature flue gas outlet side.

Furthermore, the central axis of the low-temperature air outlet and the diameter cross section direction of the annular circular tube form an included angle of 45-60 degrees.

Furthermore, the edge of the air outlet of the low-temperature air outlet is chamfered.

Preferably, one end of the low-temperature air inlet is in flaring arrangement, and the other end of the low-temperature air inlet is in necking arrangement and is nested in the smooth transition structure.

Preferably, smooth transition structure one end is the round hole form and connects low temperature air inlet, and one end is connected in one side of annular structure device with the arcwall face, and smooth transition structure is the trapezoidal face on the cross section direction of the diameter of annular pipe.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the utility model discloses utilize annular pipe coaxial line nested to fix in flue gas pipeline, be an organic whole with high temperature flue gas pipeline, improved work efficiency. A low-temperature air inlet is formed in the outer side of the annular circular tube, so that low-temperature air can conveniently enter the annular circular tube; the inner side is provided with a plurality of low-temperature air outlets in an array along the annular circumferential direction, so that the low-temperature air is conveniently discharged and is effectively mixed with high-temperature flue gas.

Furthermore, the annular circular tube is coaxially embedded and fixed in the flue gas pipeline, so that the airtightness of the flue gas pipeline and the annular structure device is enhanced, and the high-temperature flue gas is prevented from deviating.

Further, the low-temperature air outlet is in a circular hole shape, is arranged at the upper end of the inner side of the annular structure device, is in an included angle area of 45-60 degrees with the horizontal direction, and is chamfered at the edge of the air outlet, so that effective mixing of low-temperature air and high-temperature flue gas is promoted, and uneven mixing of the flue gas is avoided.

Furthermore, one end of the low-temperature air inlet is in flaring arrangement, and the other end of the low-temperature air inlet is in necking arrangement and is nested in the smooth transition structure, so that sufficient cold air can conveniently enter the annular structure device.

Drawings

FIG. 1 is a schematic structural view of a glass kiln flue gas mixing device;

FIG. 2 is a front view of a glass kiln flue gas mixing device;

fig. 3 is a partial schematic view of the low temperature air outlet indicated by region a in fig. 2.

In the figure: 1 is a flue gas mixing device; 2 is a low-temperature air inlet; 3 is a low-temperature flue gas outlet; and 4, a smooth transition structure.

Detailed Description

The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.

The utility model relates to a glass kiln flue gas mixing device, which comprises an annular structure device 1, wherein the annular structure device 1 is arranged in an annular round pipe, a central channel of the annular round pipe forms a high-temperature flue gas inlet, a low-temperature air inlet 2 is arranged at the outer side of the annular round pipe, and a plurality of low-temperature air outlets 3 are arranged at the inner side in an array along the annular circumferential direction; the low-temperature air inlet 2 and the outer side of the annular circular tube are connected into a whole through a smooth transition structure 4; smooth transition structure 4 one end is the round hole form and connects low temperature air inlet, and one end is connected in one side of annular structure device 1 with the arcwall face, and as shown in fig. 1, smooth transition structure 4 is the trapezoidal face on the cross section direction of the axis of annular pipe.

According to the problems of glass kilns of different models and the amount of flue gas, the annular structure device 1 can be adjusted and designed according to the actual mixing temperature requirement and the structural size of the low-temperature air inlet 2, wherein the structural size comprises the wall thickness, the radius size and an elliptical or square structure. One end of the low-temperature air inlet 2 is arranged in a flaring manner, and the other end of the low-temperature air inlet is arranged in a necking manner and is nested in the smooth transition structure 4, as shown in figure 2. The circular low-temperature air outlets 3 arrayed on the annular structure device 1, and the distance between the circular air outlets and the size of the opening can be adjusted according to the high-temperature flue gas volume and the low-temperature air volume of the kiln.

When the glass kiln flue gas mixing device is designed, the circular low-temperature air outlets 3 arrayed on the annular structure device 1 form an included angle of 45-60 degrees with the diameter cross section direction of the annular circular tube by the central axis of the low-temperature air outlets 3, as shown in fig. 3; and the edge of the round hole of the low-temperature air outlet 3 is subjected to chamfering transition treatment.

The utility model relates to a glass kiln flue gas mixing arrangement's theory of operation:

the annular circular pipe is coaxially nested and fixed in the flue gas pipeline, and the flue gas upstream side of the annular circular pipe is used as a high-temperature flue gas inlet; the other side is a high-temperature flue gas outlet; the annular circular tube sucks low-temperature air into the annular structure device 1 through the low-temperature air inlet 2; the low-temperature air enters the low-temperature air inlet 2 from the flaring of the low-temperature air inlet 2, enters the annular structure device 1 through the smooth transition structure 4 and flows out from the low-temperature air outlets 3 arrayed on the annular structure device 1.

Claims

1. The utility model provides a glass kiln gas mixing arrangement which characterized in that: comprising a ring-shaped structural device (1);

the annular structure device (1) is arranged in an annular round pipe, a high-temperature flue gas channel is formed in the annular center of the annular round pipe, a low-temperature air inlet (2) is formed in the outer side of the annular round pipe, and a plurality of low-temperature air outlets (3) are formed in the inner side of the annular round pipe in an array manner along the annular circumferential direction;

the low-temperature air inlet (2) and the outer side of the annular circular tube are connected into a whole through a smooth transition structure (4).

2. The glass kiln gas mixing device according to claim 1, characterized in that: the annular circular pipe is coaxially embedded and fixed in the flue gas pipeline, and the flue gas upstream side of the annular circular pipe is used as a high-temperature flue gas inlet; the other side is a high-temperature flue gas outlet.

3. The glass kiln gas mixing device according to claim 1, characterized in that: the low-temperature air outlet (3) is in a circular hole shape and is arranged close to the high-temperature flue gas outlet side.

4. The glass kiln gas mixing device according to claim 3, characterized in that: and the central axis of the low-temperature air outlet (3) and the diameter cross section direction of the annular circular tube form an included angle of 45-60 degrees.

5. The glass kiln gas mixing device according to claim 3, characterized in that: and the edge of the air outlet of the low-temperature air outlet (3) is subjected to chamfering treatment.

6. The glass kiln gas mixing device according to claim 1, characterized in that: one end of the low-temperature air inlet (2) is in flaring arrangement, and the other end of the low-temperature air inlet is in necking arrangement and is nested in the smooth transition structure (4).

7. The glass kiln gas mixing device according to claim 1, characterized in that: smooth transition structure (4) one end is the round hole form and connects low temperature air inlet, and one end is connected in one side of annular structure device (1) with the arcwall face, and smooth transition structure (4) are the trapezoidal face on the cross section direction of the diameter of annular pipe.