CN216303614U

CN216303614U - Glass liquid heating pipe

Info

Publication number: CN216303614U
Application number: CN202120820754.7U
Authority: CN
Inventors: 梁玉野; 赫宝贵; 吴缙伟; 侯瑞; 梁鉥
Original assignee: CDGM Glass Co Ltd
Current assignee: CDGM Glass Co Ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2022-04-15
Anticipated expiration: 2031-04-21

Abstract

The utility model provides a glass melt heating pipe capable of prolonging the service life. The glass liquid heating pipe comprises a body and an overflow device, wherein the overflow device is connected with the upper end of the body, the body consists of a bearing pipe, a variable pipe and a connecting pipe, the variable pipe is connected with the bearing pipe and the connecting pipe, and the diameter of the bearing pipe is larger than that of the connecting pipe. The diameter of the opening at one end of the bearing pipe for bearing the molten glass in the melting tank is increased, and the overflow device is additionally arranged at the top of the bearing pipe, so that the heating efficiency of the heating pipe is ensured, the molten glass in the melting tank smoothly flows into the heating pipe, even if a small amount of molten glass overflows, the molten glass is guided out of the melting furnace body through the overflow device, the phenomenon that the heating pipe is damaged due to the fact that the molten glass erodes the sleeve is avoided, and the problem that the service life of the heating pipe is short is thoroughly solved.

Description

Glass liquid heating pipe

Technical Field

The utility model belongs to the technical field of optical glass smelting, and particularly relates to a heating pipe for heating glass metal in a continuous optical glass smelting process.

Background

The continuous smelting production process of the optical glass comprises the steps of melting, clarifying, cooling and homogenizing molten glass. The method comprises the following steps of melting glass liquid in a melting tank of a melting furnace, clarifying and defoaming the glass liquid in a clarification tank of the melting furnace, wherein a heating pipe structure is needed between the melting tank and the clarification tank, so that the glass liquid in the melting tank is received, and meanwhile, the glass liquid is heated to the temperature required by the process and is introduced into the clarification tank for clarification and defoaming. In order to produce high-quality optical glass, the optical glass continuous smelting furnace adopts a full platinum structure, and the platinum heating pipe structure is matched with a production process, so that on one hand, the small pipe diameter, the high heating rate, the high thermal efficiency and the corrosion resistance are ensured; on the other hand, one end for receiving the molten glass in the melting tank is designed to be an opening, the molten glass flows onto a platinum sleeve outside the heating pipe frequently during replacement, and due to continuous corrosion of the high-temperature molten glass and air oxidation, the sleeve is damaged, so that the platinum heating pipe is deformed and damaged, and the service life is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a glass metal heating pipe capable of prolonging the service life.

The technical scheme adopted by the utility model for solving the technical problem is as follows: the glass liquid heating pipe comprises a body and an overflow device, wherein the overflow device is connected with the upper end of the body, the body consists of a bearing pipe, a variable pipe and a connecting pipe, the variable pipe is connected with the bearing pipe and the connecting pipe, and the diameter of the bearing pipe is larger than that of the connecting pipe.

Furthermore, the adapting pipe is used for adapting the glass liquid flowing into the melting tank, one end of the adapting pipe, which is opened upwards, is connected with the overflow device, and the other end of the adapting pipe is connected with the variable pipe; the glass liquid of the melting tank introduced by the bearing pipe is introduced into the clarification tank by the connecting pipe, one end of the connecting pipe is connected with the variable pipe, and the other end of the connecting pipe is connected with the clarification tank.

Furthermore, the overflow device consists of a cone-shaped variable pipe and an overflow groove, wherein the end with the small diameter of the cone-shaped variable pipe is the same as the diameter of the bearing pipe and is connected with the bearing pipe, and the overflow groove is downwards connected with the cone-shaped variable pipe at a certain angle. The diameter of the tapered tube is 60-120mm, the preferred diameter is 70-110mm, and the height of the tapered tube is 20-50mm, the preferred height is 20-30 mm. The included angle between the overflow groove and the cone-shaped tube is 30-60 degrees, and the preferred included angle is 40-50 degrees.

Furthermore, the variable pipe is of a cone structure, the diameters of the two ends of the variable pipe are respectively the same as those of the bearing pipe and the connecting pipe, the end with the large diameter of the variable pipe is connected with the bearing pipe, and the end with the small diameter of the variable pipe is connected with the connecting pipe.

Further, the height of the adapting pipe is 400mm, preferably 250 mm and 350mm, the diameter of the adapting pipe is 60-100mm, preferably 70-90mm, the pipe wall thickness of the adapting pipe is 0.5-2mm, preferably 0.8-1.5 mm.

Furthermore, the included angle between the connecting pipe and the adapting pipe is 70-110 degrees, and the preferred included angle is 80-100 degrees.

Further, the length of the connecting pipe is 800mm, preferably 550 mm and 750mm, the diameter of the connecting pipe is 40-60mm, preferably 45-60mm, the wall thickness of the connecting pipe is 0.5-2mm, preferably 0.8-1.5 mm.

Further, the height of the variable pipe is 20-50mm, and the preferred height is 20-30 mm.

The utility model has the beneficial effects that: the diameter of an opening at one end of the bearing pipe for bearing the glass liquid of the melting tank is increased, and meanwhile, the overflow device is additionally arranged at the top of the bearing pipe, so that the heating efficiency of the heating pipe is guaranteed, the glass liquid of the melting tank smoothly flows into the heating pipe, even if a small part of the glass liquid overflows and is also led out of the melting furnace body through the overflow device, the phenomenon that the heating pipe is damaged due to the fact that the sleeve is corroded by the glass liquid is avoided, and the problem that the service life of the heating pipe is short is thoroughly solved. The glass melt heating pipe is mainly used for an optical glass continuous smelting furnace.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a front view of the overflow device of the present invention.

Fig. 4 is a top view of fig. 3.

Fig. 5 is a schematic illustration of the present invention in operation.

Detailed Description

As shown in fig. 1 to 4, the glass melt temperature rising pipe of the present invention includes a body 1 and an overflow device 2, and the overflow device 2 is connected to the upper end of the body 1. The body 1 consists of a bearing pipe 11, a variable pipe 12 and a connecting pipe 13, wherein the diameter of the bearing pipe 11 is larger than that of the connecting pipe 13, the bearing pipe 11 bears glass liquid flowing into a melting tank, one end, facing upwards, of the bearing pipe 11 is connected with the overflow device 2, and the other end of the bearing pipe 11 is connected with the variable pipe 12. The connecting pipe 13 introduces the molten glass liquid of the melting tank introduced through the adapting pipe 11 into the clarification tank, one end of the connecting pipe 13 is connected with the variable pipe 12, the other end of the connecting pipe is connected with the clarification tank, the variable pipe 12 is a cone structure connecting the adapting pipe 11 and the connecting pipe 13, the diameters of two ends of the variable pipe 12 are respectively the same as those of the adapting pipe 11 and the connecting pipe 13, the end with the larger diameter of the variable pipe 12 is connected with the adapting pipe 11, and the end with the smaller diameter is connected with the connecting pipe 13. The overflow device 2 consists of a cone-shaped pipe-changing 21 and an overflow groove 22. The smaller end of the tapered tube 21 has the same diameter as the receiving tube 11 and is connected together, the overflow groove 22 is connected with the tapered tube 21 downward at a certain angle, wherein an opening at one end of the overflow groove 22 is connected with the gap of the tapered tube 21, as shown in fig. 2 and 4, so as to drain the overflowing molten glass.

The body 1 is made of a high-temperature corrosion resistant material, preferably a metal, and more preferably platinum. The height of the adapting pipe 11 is 400mm, preferably 250 mm and 350mm, the diameter of the adapting pipe 11 is 60-100mm, preferably 70-90mm, the pipe wall thickness of the adapting pipe 11 is 0.5-2mm, preferably 0.8-1.5 mm. The angle between the connecting pipe 13 and the adapting pipe 11 is 70-110 degrees, and the preferred angle is 80-100 degrees. The length of the connecting pipe 13 is 800mm, preferably 550 mm and 750mm, the diameter of the connecting pipe 13 is 40-60mm, preferably 45-60mm, the wall thickness of the connecting pipe 13 is 0.5-2mm, preferably 0.8-1.5 mm. The height of the variable pipe 12 is 20-50mm, and the preferred height is 20-30 mm. The overflow device 2 is made of a high-temperature corrosion resistant material, preferably metal, and more preferably platinum. The diameter of the tapered tube 21 is 60-120mm, the preferred diameter is 70-110mm, and the height of the tapered tube 21 is 20-50mm, the preferred height is 20-30 mm. The included angle between the overflow groove 22 and the tapered tube 21 is 30-60 degrees, and the preferred included angle is 40-50 degrees. The overflow groove 22 is preferably a V-shaped overflow groove, as shown in fig. 2 and 4, and the tapered pipe 21 and the overflow groove 22 are preferably integrally formed.

When the glass liquid purifier works, the glass liquid in the melting tank flows into the adapting pipe 11, the variable pipe 12 and the connecting pipe 13 in sequence through the liquid guiding pipe 3, and finally the glass liquid which is introduced flows into the clarification tank after the temperature of the glass liquid reaches the process requirement temperature through the connecting pipe 13. Since the diameter of the adapting pipe 11 is larger than that of the connecting pipe 13, the diameter of the adapting pipe 11 is enlarged, so that the range of receiving the molten glass in the melting tank is enlarged, the molten glass is not easy to overflow, and even if the molten glass overflows, the overflowing molten glass can be guided out of the melting furnace body through the overflow device 2, as shown in fig. 5.

According to the glass metal heating pipe, the pipe diameter of the bearing pipe 11 is increased, so that the range of bearing the glass metal of a melting tank is expanded, the glass metal is not easy to flow out of the bearing pipe 11, and a sleeve cannot be corroded to cause platinum damage; the diameter of the connecting pipe 13 is properly reduced, so that the temperature rise efficiency of the glass metal is ensured, and the glass metal reaches the process required temperature within the specified time. The overflow arrangement 2 at top prevents that the glass liquid from corroding the second way defence line that the sleeve caused the platinum damage, even there is the glass liquid to spill over, also can be drained outside the smelting pot, has just so thoroughly solved the difficult problem that the pipe life-span of rising temperature is short.

Claims

1. Glass liquid intensification pipe, including body (1), its characterized in that: still include overflow arrangement (2), overflow arrangement (2) are connected with body (1) upper end, body (1) comprises adapting pipe (11), becomes pipe (12) and connecting pipe (13), adapting pipe (11) and connecting pipe (13) are connected to become pipe (12), the diameter of adapting pipe (11) is greater than the diameter of connecting pipe (13).

2. The glass-melting temperature increasing tube according to claim 1, wherein: one end, facing upwards, of the adapting pipe (11) is connected with the overflow device (2), and the other end of the adapting pipe (11) is connected with the variable pipe (12); one end of the connecting pipe (13) is connected with the variable pipe (12), and the other end is connected with the clarification tank.

3. The glass-melting temperature increasing tube according to claim 1, wherein: the overflow device (2) consists of a cone-shaped variable pipe (21) and an overflow groove (22), wherein the end, with the smaller diameter, of the cone-shaped variable pipe (21) is the same as the diameter of the bearing pipe (11) and is connected with the bearing pipe, and the overflow groove (22) is downwards connected with the cone-shaped variable pipe (21) at a certain angle.

4. The glass-melting temperature increasing tube according to claim 3, wherein: the diameter of the vertebral body variable pipe (21) is 70-110mm, and the height is 20-30 mm.

5. The glass-melting temperature increasing tube according to claim 3, wherein: the included angle between the overflow groove (22) and the cone-shaped variable pipe (21) is 40-50 degrees.

6. The glass-melting temperature increasing tube according to claim 1, wherein: the variable pipe (12) is of a cone structure, the diameters of the two ends of the variable pipe (12) are respectively the same as those of the bearing pipe (11) and the connecting pipe (13), the end with the large diameter of the variable pipe (12) is connected with the bearing pipe (11), and the end with the small diameter of the variable pipe (12) is connected with the connecting pipe (13).

7. The glass-melting temperature increasing tube according to claim 1, wherein: the height of the bearing pipe (11) is 250-350mm, the diameter is 70-90mm, and the pipe wall thickness is 0.8-1.5 mm.

8. The glass-melting temperature increasing tube according to claim 1, wherein: the included angle between the connecting pipe (13) and the bearing pipe (11) is 80-100 degrees.

9. The glass-melting temperature increasing tube according to claim 1, wherein: the length of the connecting pipe (13) is 550-750mm, the diameter is 45-60mm, and the thickness of the pipe wall is 0.8-1.5 mm.

10. The glass-melting temperature increasing tube according to claim 1, wherein: the height of the variable pipe (12) is 20-30 mm.