CN210683583U - Device for heating inlet end of tin bath - Google Patents
Device for heating inlet end of tin bath Download PDFInfo
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- CN210683583U CN210683583U CN201921689501.XU CN201921689501U CN210683583U CN 210683583 U CN210683583 U CN 210683583U CN 201921689501 U CN201921689501 U CN 201921689501U CN 210683583 U CN210683583 U CN 210683583U
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- tin bath
- molten tin
- brick
- nitrogen
- bath body
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Abstract
The utility model discloses a device of molten tin bath entry end heating, including the molten tin bath body, the front end top of molten tin bath body is equipped with the apron brick, the front end bottom of molten tin bath body is equipped with bottom brick and wall brick combination, this internal mouth spout pipe of installing of molten tin bath, the entry end of molten tin bath body is equipped with fills cold nitrogen gas device, the mouth spout pipe is connected with nitrogen gas heating device through the connecting pipe. The utility model discloses, add hot nitrogen gas and can effectively adjust the horizontal temperature difference of glass liquid, isolated melting furnace hot flue gas is to the oxidation of tin liquid, also guarantees the uniformity and the stability of glass liquid temperature here to solve among the prior art runner toasts the in-process and causes local overheat because of the natural gas spray gun burning, add cold nitrogen gas under easy burst problem and the runner that causes the brick and separate the insulating melting furnace atmosphere and easily cause the local cooling of glass liquid here, cause the problem of glass liquid shaping difficulty.
Description
Technical Field
The utility model relates to a float process production sheet glass technical field specifically is a device of tin bath entry end heating.
Background
Most of plate glass is produced by the float forming technology, namely molten glass liquid with small specific gravity floats on tin liquid with large specific gravity, and the molten glass liquid produces plate glass with required thickness and width under the combined action of self gravity, surface tension, annealing roller pulling force and edge roller.
In general, a flame heating mode is adopted when a float glass production line is heated, and the temperature rise of bricks is easy to be unstable due to local high temperature during heating in the mode, so that the bricks are easy to crack or even burst.
After the normal production of the float line, the front end of the tin bath is not provided with any heating device, and meanwhile, in order to isolate the oxidation of the hot flue gas of the kiln to the tin liquor, nitrogen is filled at the inlet end of the tin bath (the position of a reference number 4 in the attached drawing 1) for isolation, however, the temperature of the nitrogen is lower, so that the temperature of the glass liquor in the runner of the runner lip brick is reduced, and the forming quality of the glass liquor is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device of molten tin bath entry end heating, it can effectively adjust the horizontal temperature difference of glass liquid to add hot nitrogen gas, the oxidation of isolated melting furnace hot flue gas to tin liquid also guarantees the uniformity and the stability of glass liquid temperature here, cause local overheat because of the natural gas spray gun burning in order to solve among the prior art runner toasts the in-process, the easy burst problem that causes the brick material and add cold nitrogen gas under the runner and separate the melting furnace atmosphere and easily cause this glass liquid local cooling, cause the problem of glass liquid shaping difficulty.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a device of molten tin bath entry end heating, includes the molten tin bath body, the front end top of molten tin bath body is equipped with the apron brick, the front end bottom of molten tin bath body is equipped with end brick and wall brick combination, this internal nozzle pipe of installing of molten tin bath, the entry end of molten tin bath body is equipped with fills cold nitrogen gas device, the nozzle pipe is connected with nitrogen gas heating device through the connecting pipe.
Preferably, the nozzle pipe is in a duckbill shape, so that hot nitrogen blown out is in a fan shape.
Preferably, the connecting pipe is a metal heat-resistant hose which can resist temperature up to 1300 ℃.
Preferably, the nitrogen heating device stably controls the nitrogen to be 1000-1300 ℃.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the local high temperature of the gas spray gun can heat the refractory material and the molten glass to damage, so that the burst or erosion of the refractory material can be effectively avoided, and the stability and consistency of the molten glass in the flow channel can be facilitated.
2. The waste heat of the kiln flue gas is utilized to heat the nitrogen, so that the purposes of waste heat utilization, energy conservation and consumption reduction are achieved.
3. The flow passage temperature and the internal glass liquid temperature are accurately and stably controlled.
4. Effectively isolating the kiln atmosphere and protecting the tin liquor in the tin bath from oxidation and pollution.
Drawings
FIG. 1 is a schematic structural view of a left side view of the front end of a tin bath according to the present invention;
fig. 2 is a schematic structural diagram of a sectional view of the front end of the tin bath according to the present invention.
In the figure: 1-cover plate brick, 2-bottom brick and wall brick combination, 3-nozzle pipe, 4-cold nitrogen gas filling device, 5-connecting pipe, 6-nitrogen gas heating device and 7-tin bath body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a device of molten tin bath entry end heating, includes molten tin bath body 7, and the front end top of molten tin bath body 7 is equipped with apron brick 1, and the front end bottom of molten tin bath body 7 is equipped with end brick and wall brick combination 2, installs spout pipe 3 in the molten tin bath body 7, and the entry end of molten tin bath body 7 is equipped with fills cold nitrogen device 4, and spout pipe 3 is connected with nitrogen gas heating device 6 through connecting pipe 5.
With reference to fig. 1 to 2, the technical improvements made by the present disclosure are further described as follows:
1. the nozzle pipe 3 is in a duckbill shape, and blows hot nitrogen in a fan shape to heat or insulate molten glass and refractory materials.
2. The connecting pipe 5 is a metal heat-resistant hose, can resist temperature up to 1300 ℃, and simultaneously, the outer side of the hose is insulated, so that the nitrogen is prevented from being cooled, and accidental scalding of workers in inspection/operation is reduced.
3. The nitrogen heating device 6 heats nitrogen by utilizing heat in a kiln flue, and the specific scheme is that a coil is arranged in the flue, an inlet and an outlet of the nitrogen are arranged outside the flue, and a temperature control device is arranged outside the flue, and the temperature of the nitrogen is adjusted by monitoring the temperature of the nitrogen in a pipeline.
4. The nitrogen heating device 6 can effectively control the nitrogen to be 1000-1300 ℃, and has the function of electric control temperature regulation, if the temperature of the nitrogen in the pipeline is insufficient, the nitrogen can be heated by electric heating assistance, and if the temperature of the nitrogen in the pipeline is overhigh, a part of cold nitrogen can be supplemented to regulate and control the temperature of the nitrogen.
By monitoring the temperature, pressure and flow of nitrogen in the pipeline, the temperature of the glass liquid at the inlet end of the flow channel and the inlet end of the tin bath can be effectively adjusted, the consistency and stability of the temperature are ensured, and the forming quality of the glass liquid is favorably improved.
The working principle is as follows: when the device for heating the inlet end of the tin bath is installed:
1. a coil is arranged in the flue, and the coil is made of heat-resistant steel pipes with high temperature resistance and good heat conductivity.
2. The coil pipe is installed connecting pipe 5 outside the flue and is connected with nitrogen gas heating device 6, has temperature, pressure, flow control monitoring in nitrogen gas heating device 6, possesses temperature regulation and control function simultaneously to add supplementary electrical heating in nitrogen gas heating device 6 and in connecting pipe 5, when nitrogen gas temperature can not satisfy the demand in the pipe, usable electrical heating heats it.
3. The outside of the nitrogen heating device 6 is connected with the nozzle pipe 3 by a heat-resistant metal hose, and the hose is insulated.
4. The spout tube 3 is mounted at a design position.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A tin bath inlet end heating device comprises a tin bath body (7) and is characterized in that: the front end top of molten tin bath body (7) is equipped with apron brick (1), the front end bottom of molten tin bath body (7) is equipped with end brick and wall brick combination (2), install in molten tin bath body (7) and spout a mouthful pipe (3), the entry end of molten tin bath body (7) is equipped with fills cold nitrogen device (4), spout a mouthful pipe (3) and be connected with nitrogen gas heating device (6) through connecting pipe (5).
2. A tin bath inlet end heating apparatus as claimed in claim 1, wherein: the nozzle pipe (3) is in a duckbill shape, so that blown hot nitrogen is in a fan shape.
3. A tin bath inlet end heating apparatus as claimed in claim 1, wherein: the connecting pipe (5) is a metal heat-resistant hose and can resist temperature up to 1300 ℃.
4. A tin bath inlet end heating apparatus as claimed in claim 1, wherein: the nitrogen heating device (6) stably controls the nitrogen to be 1000-1300 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921689501.XU CN210683583U (en) | 2019-10-10 | 2019-10-10 | Device for heating inlet end of tin bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921689501.XU CN210683583U (en) | 2019-10-10 | 2019-10-10 | Device for heating inlet end of tin bath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210683583U true CN210683583U (en) | 2020-06-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921689501.XU Active CN210683583U (en) | 2019-10-10 | 2019-10-10 | Device for heating inlet end of tin bath |
Country Status (1)
| Country | Link |
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| CN (1) | CN210683583U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113735420A (en) * | 2021-09-28 | 2021-12-03 | 河南旭阳光电科技有限公司 | Launder device and launder temperature control method |
| CN115321795A (en) * | 2022-08-30 | 2022-11-11 | 洛玻集团洛阳龙海电子玻璃有限公司 | Self-cleaning endoscope head structure for electronic glass tin bath |
-
2019
- 2019-10-10 CN CN201921689501.XU patent/CN210683583U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113735420A (en) * | 2021-09-28 | 2021-12-03 | 河南旭阳光电科技有限公司 | Launder device and launder temperature control method |
| CN115321795A (en) * | 2022-08-30 | 2022-11-11 | 洛玻集团洛阳龙海电子玻璃有限公司 | Self-cleaning endoscope head structure for electronic glass tin bath |
| CN115321795B (en) * | 2022-08-30 | 2023-11-03 | 洛玻集团洛阳龙海电子玻璃有限公司 | Self-cleaning endoscope head structure for electronic glass tin bath |
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