CN107311431A - The compound temperature control system of the glass metal temperature difference in a kind of regulation material road - Google Patents

The compound temperature control system of the glass metal temperature difference in a kind of regulation material road Download PDF

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Publication number
CN107311431A
CN107311431A CN201710592095.4A CN201710592095A CN107311431A CN 107311431 A CN107311431 A CN 107311431A CN 201710592095 A CN201710592095 A CN 201710592095A CN 107311431 A CN107311431 A CN 107311431A
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CN
China
Prior art keywords
temperature
material road
heating
glass metal
glass
Prior art date
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Pending
Application number
CN201710592095.4A
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Chinese (zh)
Inventor
黎水平
张凯
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Filing date
Publication date
Application filed by Wuhan University of Technology WUT filed Critical Wuhan University of Technology WUT
Priority to CN201710592095.4A priority Critical patent/CN107311431A/en
Publication of CN107311431A publication Critical patent/CN107311431A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B7/00Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
    • C03B7/02Forehearths, i.e. feeder channels
    • C03B7/06Means for thermal conditioning or controlling the temperature of the glass
    • C03B7/07Electric means

Abstract

The present invention provides a kind of compound temperature control system for adjusting the glass metal temperature difference in material road, including some separate heating systems and cooling system set along on the flow direction of glass metal;Heating system includes being located at the first temperature element of measurement temperature of glass liquid and the heating element heater heated to glass metal in material road;First temperature element and heating element heater, which are electrically connected to, can control the first temperature controller of heating-up temperature;Cooling system includes being located at the second temperature element of measurement temperature of glass liquid in material road, is centered around the flow controller of cooling liquid or gas flow in the cooling pipe around material road, and control cooling pipe;Second temperature element and flow controller, which are electrically connected to, can control the second temperature controller of chilling temperature.The present invention using heating and cooling combined control mode the temperature of glass metal is accurately controlled, solve glass metal in flow process caused by heat radiation circumference difference variation, it is ensured that temperature of glass liquid material road circumference be evenly distributed.

Description

The compound temperature control system of the glass metal temperature difference in a kind of regulation material road
Technical field
The present invention relates to the material road in flexible glass production field, the material road of temperature control particularly may be coextruded.
Background technology
Glass metal material road is melted between kiln and feed basin in glass, and its main function is to be sent to the glass metal of melting subsequently Former in.When glass metal flows in material road, glass metal can peripherad environmental radiation go out substantial amounts of heat, so lead Causing the temperature of glass metal can reduce.And the temperature of glass metal is not uniform reduction, the often glass liquid temperature at material road center Degree can be higher than the temperature of the glass metal at material road, there is the larger temperature difference which results in glass metal in material road.In flexible glass In the preparation of glass, the temperature homogeneity to glass metal requires high.The even glass metal of temperature distributing disproportionation can cause to prepare Flexible glass there is number of drawbacks.
Authorization Notice No. devises a kind of platinum for reducing melten glass liquid temperature difference for CN201704191U Chinese patent Channel design.According to Temperature Distribution principle of the melten glass liquid in material road, by the circle of prior art after reasonable computation Platinum channel is changed to quadrangle, thus substantially reduces the temperature difference of material road center and peripheral glass metal.Although this method reduces The temperature difference of glass metal, but the temperature difference of glass metal can not reasonably be controlled, it is impossible to ensure glass metal in material road Temperature Distribution whether meet product molding condition, product defect may be produced.
Authorization Notice No. devises a kind of glass platinum with equal temperature function for CN203461952U Chinese patent and led to Electrical heating flange on road.Link electrode plate both sides set phase flow velocity it is identical, flow to opposite cooling water pipe, accelerate The cooling velocity of link electrode plate, it is ensured that link electrode plate is in good working order, but also can lead to glass metal The circumferential uniformity of temperature profile in road, improves glass metal quality.But, the temperature of glass liquid after profit is heated in this way can not be obtained To effective control, with the flowing of glass metal, glass metal can be gradually increased in the circumferential temperature difference, to last, the temperature of glass metal Distribution cannot meet forming requirements.
The content of the invention
In order to solve the shortcoming pockety of temperature of glass liquid in material road, the present invention provides glass in a kind of regulation material road The compound temperature control system of liquid temperature difference.
In order to solve the above-mentioned technical problem, its technical solution is:
The compound temperature control system of the glass metal temperature difference in a kind of regulation material road, including it is arranged on along in the direction of motion of glass metal material Some separate heating systems and cooling system on road;
The heating system includes being located at the first temperature element that temperature of glass liquid is measured in material road and glass metal is heated Heating element heater;First temperature element and the heating element heater, which are electrically connected to, can control the first temperature control of heating-up temperature Device;
The cooling system includes being located at the second temperature element of measurement temperature of glass liquid in material road, is centered around cold around material road But pipeline, and control the flow controller of cooling liquid or gas flow in cooling pipe;Second temperature element and institute The second temperature controller of chilling temperature can be controlled by stating flow controller and being electrically connected to.
In the above-mentioned technical solutions, the first temperature element of the heating system at a certain position of material road obtains the heating system The temperature value is compared by the temperature value of the glass metal at position, the first temperature controller with normal temperature value, if low In standard value, heating element heater is heated to glass metal until the temperature of glass metal reaches standard value.At a certain position of material road Second temperature element of cooling system obtains the temperature value of the glass metal at the cooling system position, second temperature controller The temperature value is compared with normal temperature value, if higher than standard value, flow controller increases cooling gas in cooling pipe Or the flow of liquid makes the temperature of glass metal reach standard value;If less than standard value, flow controller reduces cold in cooling pipe But the flow of gas or liquid makes the temperature of glass metal reach standard value.The quantity of heating system and cooling system, and it is each Section heating system and the length of cooling system can be determined according to site environment.It is this by the heating with feedback control function System is separated with cooling system, separate arrangement so that the circumferential Temperature Distribution of glass metal is more uniform, and And the temperature difference of glass metal can rationally be controlled, it is ensured that the temperature difference of glass metal will not change with flowing, improve The quality of glass metal.
Further, the material road is externally provided with heat-insulation layer.
Further, the cooling pipe is arranged in heat-insulation layer.
Further, the cooling pipe is in the shape of a spiral.
Further, the heating element heater is evenly distributed on the inwall of material road, it is ensured that to the uniformity of glass liquid heating.
Further, the material road is made up of platinum, it is to avoid pollution of the material road material to glass metal.
Further, the heating system and the interlaced setting of cooling system, further ensure that the temperature difference of glass metal not It can change with flowing.
The present invention can be accurately controlled the temperature of glass metal using heating and cooling combined control mode, solved Determine glass metal circumferential difference variation caused by heat radiation in flow process, it is ensured that temperature of glass liquid is in circumferential point of material road Cloth is uniform.
Brief description of the drawings
Fig. 1 is to be mounted with a kind of section view for adjusting the material road of the compound temperature control system of the glass metal temperature difference in material road of the present invention Figure.
Fig. 2 is the scheme of installation of the heating element heater that is related in material road in the present invention, and heating element heater and transformer Circuit connection diagram.
Fig. 3 is the scheme of installation for the cooling pipe being centered around in heat-insulation layer around material road being related in the present invention.
In figure:100. material road, 200. heating systems, 201. controllable silicons, 202. transformers, 203. first temperature controls Device, 204. first temperature elements, 205. heating element heaters, 300. cooling systems, 301. second temperature elements, 302. second Temperature controller, 303. flow controllers, 304. cooling pipes, 400. heat-insulation layers.
Embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
The compound temperature control system of the glass metal temperature difference in embodiment as shown in Figure 1 to Figure 3, a kind of regulation material road, including Some separate heating systems 200 and cooling system in material road 100 are arranged on along on the flow direction of glass metal 300.And heating system 200 and the interlaced setting of cooling system 300.The quantity of heating system 200 and cooling system 300, And each section of heating system 200 and the length of cooling system 300 can be determined according to site environment, Fig. 1 is exemplary to be set 4 heating zones and 3 cooling zones are put.
The material road 100 of the present embodiment is made up of platinum, it is to avoid pollution of the material road material to glass metal, the peripheral hardware of material road 100 There is heat-insulation layer 400.
Heating system 200 includes being located at the first temperature element 204 that temperature of glass liquid is measured in material road and glass metal is entered The heating element heater 205 of row heating;First temperature element 204 and the heating element heater 205, which are electrically connected to, can control heating temperature First temperature controller 203 of degree;Wherein, the heating element heater 205 is evenly distributed on the inwall of material road 100, for heating The particular number of element 205 is simultaneously not construed as limiting, and is determined according to the actual requirements, the top being arranged in material road 100 exemplary Fig. 2 And bottom, and the electrode of top and bottom is just right.
Cooling system 300 includes being located at the second temperature element 301 of measurement temperature of glass liquid in material road 100, is centered around material The flow controller of cooling liquid or gas flow in cooling pipe 304 around road 100, and control cooling pipe 304 303;Second temperature element 301 and the flow controller 303, which are electrically connected to, can control the second temperature control of chilling temperature Device 302 processed.Wherein, cooling pipe 304 is arranged in heat-insulation layer 400 in the shape of a spiral.
Wherein, the first temperature element 204 and the second temperature element 301 can be thermocouple, and RTD can be also used certainly. First temperature controller 203 and second temperature controller 302 can be single-chip microcomputer, or arm processor, certainly or with place Manage other devices of control function.Heating element heater 205 is heating electrode.
The thermocouple of heating system 200 at a certain position of material road 100 obtains the glass at the heating system position The temperature value is compared by the temperature value of liquid, the first temperature controller 203 with normal temperature value, if less than standard value, first Temperature controller 203 is sent to controllable silicon 201 to be instructed to control transformer 202 to change the voltage of heating electrode 205 accordingly, Thus control to heat heating of the electrode 205 to glass metal, until the temperature of glass metal reaches standard value.
The thermocouple of cooling system 300 at a certain position of material road 100 obtains the glass at the cooling system position The temperature value is compared by the temperature value of liquid, second temperature controller 302 with normal temperature value, if higher than standard value, second Temperature controller 302 flow controller 303 is sent instruction control flow amount controller 303 increase cooling pipe in cooling gas or The flow of liquid makes the temperature of glass metal reach standard value;If less than standard value, flow controller 303 reduces cold in cooling pipe But the flow of gas or liquid makes the temperature of glass metal reach standard value.
Using heating and cooling combined control mode, the temperature of glass metal can accurately be controlled, solve glass Glass liquid circumferential difference variation caused by heat radiation in flow process, it is ensured that temperature of glass liquid is equal in the circumferential distribution of material road It is even.

Claims (7)

1. a kind of compound temperature control system for adjusting the glass metal temperature difference in material road, it is characterised in that:Including the flowing along glass metal Some separate heating systems (200) and cooling system (300) in material road (100) are arranged on direction;
The heating system (200) includes being located at the first temperature element (204) of the interior measurement temperature of glass liquid of material road (100) and right The heating element heater (205) that glass metal is heated;First temperature element (204) and the heating element heater (205) electrical connection To the first temperature controller (203) of heating-up temperature can be controlled;
The cooling system (300) includes being located at the second temperature element (301) of measurement temperature of glass liquid in material road (100), encloses The cooling pipe (304) around material road is wound on, and controls the flow control of cooling pipe (304) interior cooling liquid or gas flow Device (303) processed;Second temperature element (301) and the flow controller (303), which are electrically connected to, can control chilling temperature Second temperature controller (302).
2. compound temperature control system according to claim 1, it is characterised in that:The material road (100) is externally provided with heat-insulation layer (400)。
3. compound temperature control system according to claim 2, it is characterised in that:The cooling pipe (304) is arranged on insulation In layer (400).
4. the compound temperature control system according to claim 1-3 any claim, it is characterised in that:The cooling pipe (304) in the shape of a spiral.
5. compound temperature control system according to claim 1, it is characterised in that:The heating element heater (205) is evenly distributed on On the inwall of material road (100).
6. compound temperature control system according to claim 1, it is characterised in that:The material road (100) is made up of platinum.
7. compound temperature control system according to claim 1, it is characterised in that:The heating system (200) and cooling system (300) it is interlaced to set.
CN201710592095.4A 2017-07-19 2017-07-19 The compound temperature control system of the glass metal temperature difference in a kind of regulation material road Pending CN107311431A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110304814A (en) * 2019-07-12 2019-10-08 彩虹(合肥)液晶玻璃有限公司 A kind of feed heat-exchanger rig and feeding system
CN110342786A (en) * 2019-07-08 2019-10-18 东旭(锦州)精密光电科技有限公司 Platinum channel
CN112551866A (en) * 2020-12-14 2021-03-26 成都中光电科技有限公司 TFT-LCD platinum channel flow control method, device and storage medium
CN113880401A (en) * 2021-11-01 2022-01-04 徐伟刚 Constant temperature control system for glass product material channel

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CN105849053A (en) * 2013-10-18 2016-08-10 康宁股份有限公司 Apparatus and method for forming thin glass articles
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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN110342786A (en) * 2019-07-08 2019-10-18 东旭(锦州)精密光电科技有限公司 Platinum channel
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CN112551866A (en) * 2020-12-14 2021-03-26 成都中光电科技有限公司 TFT-LCD platinum channel flow control method, device and storage medium
CN113880401A (en) * 2021-11-01 2022-01-04 徐伟刚 Constant temperature control system for glass product material channel

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Application publication date: 20171103