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Full-automatic temperature control system of glass production line annealing kiln

A temperature control system and glass production line technology, applied in the field of glass technology, can solve problems such as temperature fluctuations and air valve damage, and achieve the effects of improving the yield and yield and reducing costs.

Pending Publication Date: 2021-11-16
BENGBU TRIUMPH ENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the previous annealing kilns, the thermocouples in the middle and side areas were all associated with the damper, and the sensitivity of the damper was very high, but because its opening was fixed, the change of its temperature would not be very fast; at the same time, in the automatic When adjusting, the air valve will keep opening and closing in a certain range, which will also cause the temperature to fluctuate up and down in a certain range and easily cause damage to the air valve

Method used

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  • Full-automatic temperature control system of glass production line annealing kiln
  • Full-automatic temperature control system of glass production line annealing kiln
  • Full-automatic temperature control system of glass production line annealing kiln

Examples

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Effect test

Embodiment 1

[0036] see figure 1 , the present invention provides a technical solution:

[0037] A fully automatic temperature control system for an annealing kiln in a glass production line, including an intermediate thermocouple 1, an air supply module 2, a main control module 3 and an air valve 4, the intermediate thermocouple 1, the air supply module 2, and the air valve 4 are respectively connected to the main control module 3 electrical connections;

[0038] The middle thermocouple 1 is arranged on the annealing kiln plate 5, and the middle thermocouple 1 is used to detect the temperature in the annealing kiln, and feeds back to the main control module 3 in real time. The measured object is in direct contact, not affected by the intermediate medium, the measurement accuracy is high, and its measurement range is wide, which well covers the temperature range of the annealing kiln. At the same time, the K-type thermocouple has a simple structure, and it is very convenient for on-site m...

Embodiment 2

[0045] see figure 2 and image 3 , the difference from Example 1 is:

[0046] It also includes a fan fault detection module 6, which is electrically connected to the fan 201 and the main control module 3 respectively, and is used to detect the working status of the fan 201 and give a fault alarm when the fan 201 is abnormal.

[0047] The fan fault detection module 6 includes a fan status diagnosis unit 601, a fault alarm unit 602 and a fan status indication unit 603;

[0048] The fan status diagnosis unit 601 is electrically connected to the fan 201, and is used to receive the start-stop and frequency signals output by the fan 201, and convert the start-stop and frequency signals into fan status diagnostic signals;

[0049] The fault alarm unit 602 is electrically connected with the fan status diagnosis unit 601 and the main control module 3 respectively, and is used to receive the fan status diagnostic signal, and judge whether to send a fault alarm signal after processing...

Embodiment 3

[0054] see Figure 4 , the difference from Example 1 is:

[0055] The main control module 3 includes a sampling unit 301 and a fan control unit 302;

[0056] The sampling unit 301 is electrically connected to the frequency converter 202, and is used to acquire the voltage sampling value of the frequency converter 202;

[0057] The fan control unit 302 is electrically connected with the sampling unit 301, and is used to receive the voltage sampling value, count the effective zero-crossing points of the voltage sampling value, obtain the count value within a preset unit time, and output a control signal to the fan 201 to control the fan. 201 start operation.

[0058] The sampling unit 301 includes a voltage divider circuit and a filter circuit; the voltage divider circuit includes a plurality of voltage divider resistors connected in series; the filter circuit includes a filter capacitor, the first end of the filter capacitor is electrically connected to the voltage divider ci...

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Abstract

The invention discloses a full-automatic temperature control system of a glass production line annealing kiln, which comprises an intermediate thermocouple, an air supply module, a main control module and an air valve, the intermediate thermocouple, the air supply module and the air valve are respectively and electrically connected with the main control module, the intermediate thermocouple is arranged on an annealing kiln plate, the air supply module is arranged in the middle of the annealing kiln plate, and the air valve is arranged on an air pipe on the annealing kiln plate. According to the invention, brand-new control association is adopted, a full-automatic control system is used, production personnel only need to input desired temperature, the system can automatically control a fan and an air valve, and the actual temperature on site and a temperature difference cooling curve among all areas can reach an ideal state, so that glass has different physical properties more quickly, furthermore, the yield and the yield of the ultra-thin glass are improved, the cost of large-scale production of the ultra-thin glass is reduced, and preparation is made for production of various novel glass such as photovoltaic glass.

Description

technical field [0001] The invention relates to the technical field of glass technology, in particular to a fully automatic temperature control system for an annealing kiln of a glass production line. Background technique [0002] Glass production mainly consists of four sections: melting, tin bath, annealing furnace and cold end. The melting section is the first section of glass production. Its function is to melt various raw materials to form molten glass that meets the forming conditions; then there is the tin bath section. Its function is to slowly pull the viscous molten glass that has accumulated together. Open, and at the same time make it solidify to have the embryonic form of the glass; the next step is the annealing kiln, its function is to gradually cool down the embryonic glass, and the glass will produce different physical properties according to the temperature difference cooling curve between each zone; The last section that passes through is the cold end, wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B25/00
CPCC03B25/00
Inventor 徐智松陈鹏郑纤秀卢佩庆王海荣徐超丁蕾黄广楠袁希亮巩恒亮
Owner BENGBU TRIUMPH ENG TECH CO LTD
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