In the late 1950s, the British Pilkington Glass Company announced to the world that the float glass forming process of flat glass was successfully developed, which was a revolution in the original grooved forming process. For a time, the stock float floats into a "floating mania" sweeping the world. Many countries in the world have invested heavily in the purchase of Pilkington patents, but Pilkington has imposed a technical blockade on China. The western technical blockade has made Luobo realize that the development and production of Chinese float glass must take the road of self-reliance and independent innovation. In May 1971, the former Ministry of Construction and Materials Industry decided that the industrial test of float industry was carried out in Luobo. Glass experts from all over the country gathered in Luobo, and more than 1,000 employees of Luobo participated in the war.
The production of float glass is a brand-new undertaking in China. Since there is no information that can be used for reference, there have been wave after wave of experimental production. There is no design room, the experts of the building materials department and the vast number of scientific and technical personnel of Luobo are working on the design in the boiler room and drawing sketches. Without large lathe equipment, Luobo's fitters used a small furnace to fill the pot and machined a 25-meter tin bath. An important problem encountered in the production process at that time was that high-temperature glass water was easily condensed when passing through the tin bath, resulting in uneven thickness of the glass. Sometimes the glass water splashed in the tin bath, and the workers were hurt everywhere. After long-term thinking, Luobo's technicians designed electric heating equipment in the upper part of the tin bath, and the problem that the glass water is easily condensed through the tin bath is solved. Then, they independently developed a glass edger, carefully designed the speed, angle, and penetration depth, and modified the shape of the molding part. The glass was wider and wider, and the quality was getting higher and higher. On September 23, 1971, the broad cadres and workers of Luobo, under the guidance of the leaders of the ministry and relevant experts, worked together for more than three months with the full cooperation of the fraternal units, and finally successfully built the first float. The glass production line produced the first float glass in China. Mechanical strength, flatness and transparency are superior to other flat glass. With the wisdom and hard work of Superman, Luo Bo rounded the Chinese dream of floating.
From 1971 to 1981, Luobo has implemented a large-scale technical transformation on this line three times. The production line has a melting capacity of 225 tons, a plate width of more than 2 meters, and a total yield of 76.96%, and at the end of 1978. At the beginning of 1979, a relatively thin 4 mm glass was stably produced. The technology and equipment of "Luoyang float glass technology" were also improved day by day, and the technical level was continuously improved.
From April 27 to 30, 1981, the State Science and Technology Commission organized national glass experts and scholars and leaders of relevant departments to hold the "Luoyang Float Glass Process" national-level technical appraisal meeting in Luobo. This is China's 10,000-ton ship and 10,000 tons. After the third national technical appraisal meeting after the hydraulic press, the meeting officially named this process as China's “Luoyang Float Glass Process†and awarded the award for invention. The "Luoyang Float Glass Process" was born in Luobo, ending an old era, ushered in the new dawn of China's glass industry development, and opened up a new era of China's glass industry transformation, innovation and development, for China's glass industry. The development of a majestic monument has become one of the world's three major float processes in the world glass industry, along with the British Pilkington float and the Pittsburgh float.
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