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According to reports, Hebei Cangzhou Tianrui Star Solar Thermal Technology Co.
, Ltd.
officially put into operation the first domestic production line of 50,000 high-temperature solar collector tubes in 2014, becoming the third high-temperature solar collector tube manufacturer in the world and the first in China, breaking the monopoly
of foreign companies in one fell swoop.
High-temperature solar collector tube is the core component of solar thermal power station, from the outside is just a glass tube with a metal tube, because of the German short, Siemens two monopoly of key technology, a 4-meter pipe price has been sold for 10,000 yuan
.
The appearance of ordinary high-temperature solar collector tubes is full of high-tech, looks simple, difficult to do, foreign technology has been ahead of the domestic for nearly 20 years:
1.
The material of the glass tube requires 5.
0 neutral borosilicate glass, this glass production technology is monopolized by a foreign company, only one enterprise in China can produce in recent years, the inner and outer walls of the glass tube have anti-reflection coating, and the solar full-spectrum transmittance is increased to 96%;
2.
The blue-violet double ceramic coating on the surface of the metal tube is a combination of metal and oxide, from the satellite special thermal control coating technology, only tens of nanometers thick coating contains a layer of bottom layer, two absorption layers, a protective layer, can heat the medium in the tube to 400 degrees Celsius;
3.
At both ends of the collector tube, the glass should be perfectly matched and sealed with the metal in the hot melt state to ensure that the vacuum interlayer between the glass tube and the metal tube does not leak air during the life cycle of more than 20 years, and it will not be cracked and damaged
due to thermal expansion and contraction.
This series of technologies have all been broken through
by Cangzhou Tianrui Star Solar Thermal Technology Co.
, Ltd.
Tianruixing is a subsidiary of China Aerospace Science and Technology Corporation, and in 2003, it conquered the technology of high-temperature solar selective absorption coating; In 2007, it conquered the matching sealing technology of metal and glass; In 2010, the first 4-meter-long collector pipe was manufactured; In 2014, the first domestic production line of 50,000 high-temperature solar collector tubes was officially put into operation, becoming the third high-temperature solar collector tube manufacturer in the world and the first in China
.
According to reports, Hebei Cangzhou Tianrui Star Solar Thermal Technology Co.
, Ltd.
officially put into operation the first domestic production line of 50,000 high-temperature solar collector tubes in 2014, becoming the third high-temperature solar collector tube manufacturer in the world and the first in China, breaking the monopoly
of foreign companies in one fell swoop.
High-temperature solar collector tube is the core component of solar thermal power station, from the outside is just a glass tube with a metal tube, because of the German short, Siemens two monopoly of key technology, a 4-meter pipe price has been sold for 10,000 yuan
.
The appearance of ordinary high-temperature solar collector tubes is full of high-tech, looks simple, difficult to do, foreign technology has been ahead of the domestic for nearly 20 years:
1.
The material of the glass tube requires 5.
0 neutral borosilicate glass, this glass production technology is monopolized by a foreign company, only one enterprise in China can produce in recent years, the inner and outer walls of the glass tube have anti-reflection coating, and the solar full-spectrum transmittance is increased to 96%;
2.
The blue-violet double ceramic coating on the surface of the metal tube is a combination of metal and oxide, from the satellite special thermal control coating technology, only tens of nanometers thick coating contains a layer of bottom layer, two absorption layers, a protective layer, can heat the medium in the tube to 400 degrees Celsius;
3.
At both ends of the collector tube, the glass should be perfectly matched and sealed with the metal in the hot melt state to ensure that the vacuum interlayer between the glass tube and the metal tube does not leak air during the life cycle of more than 20 years, and it will not be cracked and damaged
due to thermal expansion and contraction.
This series of technologies have all been broken through
by Cangzhou Tianrui Star Solar Thermal Technology Co.
, Ltd.
Tianruixing is a subsidiary of China Aerospace Science and Technology Corporation, and in 2003, it conquered the technology of high-temperature solar selective absorption coating; In 2007, it conquered the matching sealing technology of metal and glass; In 2010, the first 4-meter-long collector pipe was manufactured; In 2014, the first domestic production line of 50,000 high-temperature solar collector tubes was officially put into operation, becoming the third high-temperature solar collector tube manufacturer in the world and the first in China
.
