US 12,448,315 B2
Glass tempering furnace and glass tempering method
Binghan Xie, Guangdong (CN); Chao Fu, Guangdong (CN); and Zhiheng Ren, Guangdong (CN)
Assigned to Songshan Lake Materials Laboratory, (CN); and Zhongke Zhuoyi Greene Tech (Dongguan) Co., Ltd., (CN)
Appl. No. 18/844,305
Filed by SONGSHAN LAKE MATERIALS LABORATORY, Guangdong (CN); and ZHONGKE ZHUOYI GREENE TECH (DONGGUAN) CO., LTD., Guangdong (CN)
PCT Filed Oct. 26, 2023, PCT No. PCT/CN2023/126858
§ 371(c)(1), (2) Date Sep. 5, 2024,
PCT Pub. No. WO2024/093794, PCT Pub. Date May 10, 2024.
Claims priority of application No. 202211358216.6 (CN), filed on Nov. 1, 2022; application No. 202222929439.5 (CN), filed on Nov. 1, 2022; and application No. 202322399577.1 (CN), filed on Sep. 4, 2023.
Prior Publication US 2025/0109055 A1, Apr. 3, 2025
Int. Cl. C03B 27/04 (2006.01); C03B 35/16 (2006.01); F27B 9/12 (2006.01); F27B 9/24 (2006.01)
CPC C03B 27/0404 (2013.01) [C03B 35/16 (2013.01); F27B 9/12 (2013.01); F27B 9/24 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A glass tempering furnace, comprising:
a preheating furnace section having a feed port, wherein a general smoke vent is disposed at the feed port, and the preheating furnace section is divided into a plurality of sections along a glass traveling direction, wherein each section of the plurality of sections has a smoke suction port and a smoke ejection port;
a heating furnace section provided with a plurality of infrared burners, wherein each of the plurality of infrared burners is a porous medium burner, and each section is configured to suck smoke from the heating furnace section through the smoke suction port and deliver the sucked smoke to the preheating furnace section through the smoke ejection port; and
a soaking furnace section disposed after the heating furnace section along the glass traveling direction, wherein a plurality of air ducts are disposed in the soaking furnace section and configured to generate horizontally parallel airflow on upper and lower surfaces of glass.