CN112250290B - Tin bath protective gas waste heat utilization device - Google Patents

Tin bath protective gas waste heat utilization device Download PDF

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Publication number
CN112250290B
CN112250290B CN202011230717.7A CN202011230717A CN112250290B CN 112250290 B CN112250290 B CN 112250290B CN 202011230717 A CN202011230717 A CN 202011230717A CN 112250290 B CN112250290 B CN 112250290B
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China
Prior art keywords
channel
communicated
annealing kiln
protective gas
tin bath
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CN112250290A (en
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李晓青
刘志刚
和裕勇
姜园涛
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Bengbu Ctiec Information Display Materials Co ltd
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Bengbu Ctiec Information Display Materials Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B25/00—Annealing glass products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
    • C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
    • C03B35/16—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by roller conveyors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Tunnel Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The invention provides a tin bath protective gas waste heat utilization device, which comprises a transition roller table (1) and an annealing kiln (2), and is characterized in that: the upper portion and the lower portion of the gap between the transition roller table (1) and the annealing kiln (2) are respectively provided with a first channel (3), one end of each first channel (3) is communicated with a filtering device (4), one end of each filtering device (2) is communicated with a second channel (5), and one end of each second channel (5) is communicated with the annealing kiln (2). The invention has simple structure and convenient use, can be directly transformed from the prior equipment, is environment-friendly and energy-saving, and reduces the production energy consumption.

Description

Tin bath protective gas waste heat utilization device
The technical field is as follows:
the invention relates to the technical field of float glass manufacturing, in particular to a tin bath protective gas waste heat utilization device.
Background art:
ultra-thin float glass production will let in a certain amount of protective gas in the molten tin bath in order to prevent the oxidation of molten tin in glass forming process, protective gas gets into by the top of molten tin bath, flow out at the tail end of molten tin bath, arrange the exterior space through the open gap department in top that the steel construction encloses the fender between transition roller platform and the annealing kiln, temperature when protective gas discharges is between 550 ~ 600 ℃, this just causes the waste with heat energy, and the leakage of solid dust.
Because the drawing amount is very small in the production of the ultrathin glass, in order to ensure that the annealing temperature in the annealing kiln needs to be heated by electricity, namely certain heat is needed, if protective gas is introduced into the annealing kiln, the output of electric quantity can be reduced, and the energy consumption is reduced. However, the gases discharged from the tin bath contain certain solid dust, so that the gases cannot be directly introduced into the annealing furnace.
The invention content is as follows:
the invention provides a tin bath protective gas waste heat utilization device for overcoming the defects in the prior art.
The application provides the following technical scheme:
the utility model provides a molten tin bath protective gas waste heat utilization equipment, it includes transition roller platform and annealing kiln, its characterized in that: the upper part and the lower part of the gap between the transition roller table and the annealing kiln are respectively provided with a first channel, one end of each first channel is communicated with a filtering device, one end of each filtering device is communicated with a second channel, and one end of each second channel is communicated with the annealing kiln.
On the basis of the technical scheme, the following further technical scheme can be provided:
the filter device comprises a shell, one side of the shell is communicated with the first channel, a group of ceramic filter tubes are mounted on the shell, a group of dust collection bags are mounted at the bottom of the shell, an air inlet hole and an air outlet hole are formed in the top of the shell, second channels communicated with the annealing kiln are arranged at two ends of the shell, and a valve body corresponding to and matched with the first channel is arranged on the shell.
And the air outlet end of the second channel is communicated with the air inlet ends at the two ends of the air inlet machine in the annealing kiln.
And the air outlet end of the second channel is communicated with the operation holes on two sides of the upper inlet plate of the annealing kiln.
And the air outlet end of the second channel is communicated with the air inlet ends at two ends of the air inlet machine in the annealing kiln and the operation holes at two sides of the inlet plate.
The first channel is provided with an exhaust hole, and one side of the exhaust hole is provided with a corresponding matched exhaust valve.
One side of the outlet of the annealing kiln is communicated with an exhaust pipe, and the exhaust pipe is communicated with an exhaust fan which is correspondingly matched.
The invention has the advantages that:
the invention has simple structure and convenient use, can be directly transformed from the prior equipment, is environment-friendly and energy-saving, and reduces the production energy consumption.
Description of the drawings:
FIG. 1 is a schematic longitudinal sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of example 1 of the present invention;
FIG. 3 is a schematic cross-sectional view of example 2 of the present invention;
FIG. 4 is a schematic cross-sectional view of example 3 of the present invention;
FIG. 5 is a schematic longitudinal sectional view of example 3 of the present invention.
The specific implementation mode is as follows:
example 1:
as shown in figures 1 and 2, the device for utilizing the residual heat of the molten tin bath protective gas comprises a transition roller table 1 and an annealing kiln 2, wherein a first channel 3 is respectively communicated with the upper part and the lower part of a steel structure enclosure at the gap between the transition roller table 1 and the annealing kiln 2.
The length of the first channel 3 on the upper side is greater than the length of the first channel 3 on the lower side. One end of each of the two first channels 3 is communicated with a filtering device 4. And a steel structure working platform 7 which forms supporting matching with the filtering device 4 is also arranged below the filtering device. An exhaust hole 3a is arranged on the first channel 3 at the upper side, and a corresponding exhaust valve (not shown in the figure) is arranged on the channel wall at the outer side of the exhaust hole 3 a.
The filtering device 4 comprises a shell 4a distributed along the width direction of the annealing kiln 2. A group of ceramic filter pipes 4b distributed along the width direction of the annealing kiln 2 are arranged in the shell 4a, and a group of dust collection bags 4c are arranged at the bottom of the shell 4a below the ceramic filter pipes 4 b. The lower part of the dust collection bag 4c extends out of the housing 4 a.
An air inlet hole 4d is provided at one end of the top of the housing 4a, and an air outlet hole 4e is provided at the other end thereof. The air inlet hole 4d and the air outlet hole 4e are respectively communicated with an air inlet pipe and an air outlet pipe which are not shown in the figure, and the two pipes are also provided with valve bodies which are correspondingly matched.
And the two ends of the shell 4a are respectively provided with a second channel 5, and the air outlet ends of the two second channels 5 are respectively communicated with the air inlet ends at the two ends of the air inlet machine 2b of the annealing kiln 2. A valve body 4f correspondingly matched with the first channel 3 is arranged on one side of the shell 4a, and the valve body 4f is a gate valve.
The working process is as follows:
high temperature protective gas gets into filter equipment through first passageway, and filters through the ceramic filter tube in the casing after, gets rid of the solid dust that carries among the protective gas after, high temperature protective gas is blown into the annealing kiln in being inputed the air inlet machine of annealing kiln through the second passageway after to make the heat energy that high temperature protective gas carried can obtain abundant utilization.
Example 2:
as shown in figures 1 and 3, the device for utilizing the residual heat of the molten tin bath protective gas comprises a transition roller table 1 and an annealing kiln 2, wherein a first channel 3 is respectively communicated with the upper part and the lower part of a steel structure enclosure at the gap between the transition roller table 1 and the annealing kiln 2.
The length of the first channel 3 on the upper side is greater than the length of the first channel 3 on the lower side. One end of each of the two first channels 3 is communicated with a filtering device 4. And a steel structure working platform 7 which forms supporting matching with the filtering device 4 is also arranged below the filtering device. An exhaust hole 3a is arranged on the first channel 3 at the upper side, and a corresponding exhaust valve (not shown in the figure) is arranged on the channel wall at the outer side of the exhaust hole 3 a.
The filtering device 4 comprises a shell 4a distributed along the width direction of the annealing kiln 2. A group of ceramic filter pipes 4b distributed along the width direction of the annealing kiln 2 are arranged in the shell 4a, and a group of dust collection bags 4c are arranged at the bottom of the shell 4a below the ceramic filter pipes 4 b. An air inlet hole 4d is arranged at one end of the top of the shell 4a, and an air outlet hole 4e is arranged at the other end of the shell. The air inlet hole 4d and the air outlet hole 4e are respectively communicated with an air inlet pipe and an air outlet pipe which are not shown in the figure, and the two pipes are also provided with valve bodies which are correspondingly matched.
And two ends of the shell 4a are respectively provided with a second channel 5, and the air outlet ends of the two second channels 5 are respectively communicated with the operation holes 2c on two sides of the inlet plate of the annealing kiln 2. A valve body 4f correspondingly matched with the first channel 3 is arranged on one side of the shell 4a, and the valve body 4f is a gate valve.
The working process is as follows:
high temperature protective gas gets into filter equipment through first passageway, and filters through the ceramic chimney filter in the casing after, gets rid of the solid dust that carries among the protective gas after, high temperature protective gas gets into in the annealing kiln from the handle hole of annealing kiln import board both sides through the second passageway to make the heat energy that high temperature protective gas carried can obtain abundant utilization.
Example 3:
as shown in figures 1, 4 and 5, the tin bath protective gas waste heat utilization device comprises a transition roller table 1 and an annealing kiln 2, wherein a first channel 3 is respectively communicated with the upper part and the lower part of a steel structure enclosure at the gap between the transition roller table 1 and the annealing kiln 2.
The length of the first channel 3 on the upper side is greater than the length of the first channel 3 on the lower side. One end of each of the two first channels 3 is communicated with a filtering device 4. And a steel structure working platform 7 which forms supporting matching with the filtering device 4 is also arranged below the filtering device. An exhaust hole 3a is arranged on the first channel 3 at the upper side, and a corresponding exhaust valve (not shown in the figure) is arranged on the channel wall at the outer side of the exhaust hole 3 a.
The filtering device 4 comprises a shell 4a distributed along the width direction of the annealing kiln 2. A group of ceramic filter tubes 4b distributed along the width direction of the annealing kiln 2 are arranged in the shell 4a, and a group of dust collection bags 4c are arranged at the bottom of the shell 4a below the ceramic filter tubes 4 b. An air inlet hole 4d is arranged at one end of the top of the shell 4a, and an air outlet hole 4e is arranged at the other end of the shell. The air inlet hole 4d and the air outlet hole 4e are respectively communicated with an air inlet pipe and an air outlet pipe which are not shown in the figure, and the two pipes are also provided with valve bodies which are correspondingly matched.
The two ends of the shell 4a are respectively provided with a second channel 5, one end of each second channel 5 is provided with two air outlet ends, and the two air outlet ends are respectively communicated with the operation holes 2c at the two sides of the inlet plate of the annealing kiln 2 and the air inlet end of the air inlet machine 2b of the annealing kiln 2. A valve body 4f correspondingly matched with the first channel 3 is arranged on one side of the shell 4a, and the valve body 4f is a gate valve.
An exhaust pipe 6 is communicated with one side of the outlet of the annealing kiln 2, and an exhaust fan 6a which is correspondingly matched is communicated with the exhaust pipe 6.
The working process comprises the following steps:
high temperature protective gas gets into filter equipment through first passageway, and filters through the ceramic chimney filter in the casing after, gets rid of the solid dust that carries among the protective gas after, high temperature protective gas passes through the second passageway from the handle hole of annealing kiln inlet plate both sides and get into in the air inlet machine annealing kiln to make the heat energy that high temperature protective gas carried can obtain abundant utilization. And the arrangement of the exhaust pipe and the exhaust fan can enhance the flowing speed of the airflow in the annealing kiln.
In examples 1 to 3, when high-temperature shielding gas is required to be supplied to the filter device, the exhaust valve outside the exhaust hole 3a is not closed, and the valve body 4f is opened. When high-temperature protective gas is not required to be input into the filtering device, if the dust collection bag 4c needs to be cleaned, the exhaust valve is opened, the valve body 4f and the exhaust fan 6a are closed, and meanwhile, the valve bodies on the air inlet pipe and the air outlet pipe are opened to input compressed air into the shell 4a to reversely purge solid dust in the shell 4a and the dust collection bag 4 c.

Claims (6)

1. The utility model provides a molten tin bath protective gas waste heat utilization equipment, it includes transition roller platform (1) and annealing kiln (2), its characterized in that: the upper part and the lower part of the gap between the transition roller table (1) and the annealing kiln (2) are respectively provided with a first channel (3), one end of each first channel (3) is communicated with a filtering device (4), one end of each filtering device (4) is communicated with a second channel (5), and one end of each second channel (5) is communicated with the annealing kiln (2); filter equipment (4) include casing (4 a) of one side and first passageway (3) intercommunication, install a set of pottery at casing (4 a) and strain tub (4 b), install a set of dust bag (4 c) in casing (4 a) bottom, be equipped with inlet port (4 d) and venthole (4 e) at casing (4 a) top, all be equipped with at casing (4 a) both ends with annealing kiln (2) second passageway (5) of intercommunication, be equipped with on casing (4 a) and correspond complex valve body (4 f) with first passageway (3).
2. The tin bath protective gas waste heat utilization device according to claim 1, characterized in that: and the air outlet end of the second channel (5) is communicated with the air inlet ends at the two ends of an air inlet machine (2 b) in the annealing kiln (2).
3. The tin bath protective gas waste heat utilization device according to claim 1, characterized in that: and the air outlet end of the second channel (5) is communicated with the operation holes (2 c) on the two sides of the upper inlet plate of the annealing kiln (2).
4. The tin bath protective gas waste heat utilization device according to claim 1, characterized in that: and the air outlet end of the second channel (5) is communicated with air inlet ends at two ends of an air inlet machine (2 b) in the annealing kiln (2) and operation holes (2 c) at two sides of the inlet plate.
5. The tin bath protective gas waste heat utilization device according to claim 1, characterized in that: an exhaust hole (3 a) is formed in the first channel (3), and a corresponding exhaust valve is arranged on one side of the exhaust hole (3 a).
6. A tin bath shielding gas waste heat utilization device according to claim 2, 3, 4 or 5, characterized in that: one side of the outlet of the annealing kiln (2) is communicated with an exhaust pipe (6), and the exhaust pipe (6) is communicated with an exhaust fan (6 a) which is correspondingly matched.
CN202011230717.7A 2020-11-06 2020-11-06 Tin bath protective gas waste heat utilization device Active CN112250290B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011230717.7A CN112250290B (en) 2020-11-06 2020-11-06 Tin bath protective gas waste heat utilization device

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Application Number Priority Date Filing Date Title
CN202011230717.7A CN112250290B (en) 2020-11-06 2020-11-06 Tin bath protective gas waste heat utilization device

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CN112250290A CN112250290A (en) 2021-01-22
CN112250290B true CN112250290B (en) 2022-07-12

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2113814B (en) * 1982-01-21 1985-06-12 Leerco Engineering Limited Waste heat utilisation
GB2401362B (en) * 2003-04-28 2006-03-01 Noel Warner Apparatus and method for eliminating top speck on float glass
CN202546700U (en) * 2012-03-01 2012-11-21 天壕节能科技股份有限公司 Residual heat resource using system for glass annealing kiln
CN203429050U (en) * 2013-09-16 2014-02-12 四川旭虹光电科技有限公司 Device capable of recycling mixed gas in tin groove
CN104315865A (en) * 2014-09-30 2015-01-28 盐城市锅炉制造有限公司 Natural gas floating method glass kiln furnace smoke gas environment-friendly government and afterheat recovery system
CN104291554A (en) * 2014-10-26 2015-01-21 蚌埠玻璃工业设计研究院 Polluted gas discharge device for float glass tin baths
CN110467334A (en) * 2019-09-09 2019-11-19 蚌埠中光电科技有限公司 A kind of kiln gas waste heat is used for the heating device of molten tin bath

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Denomination of invention: A device for waste heat utilization of tin bath protective gas

Effective date of registration: 20221202

Granted publication date: 20220712

Pledgee: Bank of Communications Ltd. Bengbu branch

Pledgor: BENGBU CTIEC INFORMATION DISPLAY MATERIALS Co.,Ltd.

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