Company Profile About UsA leader in China's solar thermal
marketThe largest and most advanced production base for solar
vacuum tubes The Integrate service provider for new energy
systemThe drafter of the latest national standard for 3.3 high
borosilicate glassTianxu solar, established in 2002, is a
world-renowned, award-wining, high-tech company, leading designer
and manufacturer of high borosilicate glass tubes and new energy
products including solar water heaters, solar vacuum tubes, solar
heat collecting project, air source heat pump, photovoltaic
products, etc. Tianxu's scale is far ahead of other companies
in the industry. There are 10 sets of electric furnaces, 70 sets of
solar vacuum tube production line and 3 sets of solar water heater
production lines. The annual output of one million tons of high
borosilicate glass, over 16 million solar vacuum tubes makes Tianxu
the largest manufacturing base of high borosilicate glass tubes and
solar vacuum tubes. In 2015, Beijing Tsinghua Industrial
Development Institute Shandong Branch settled in Tianxu to better
promote the R& D, marketing and application of clean energy with
Tsinghua University's strong scientific research strength and
Tianxu's manufacturing ability. Meanwhile, Tianxu established a
joint venture company with Beijing Tsinghua Solar Co., Ltd- the
solar vacuum tube technology initiator in the world. The newly
established company has the world's most advanced solar vacuum tube
production lines. Tianxu solar has grown into the most
influential company in Chinese solar industry
. All of our products are
manufactured with a strong emphasis on ease of installation to provide optimum
integration of solar water systems into building design, while
aiming to minimize the environmental impact of all products and
operations. Besides, we attach a particular attention on customer
service .Tianxu is at the forefront
of most of solar
thermal technologies, as we are
currently using our expertise to also work on solar
space heating, solar cooling , seawater desalination ,
air source heat pump, computer controlled heating
systems and photovoltaic application systems.Here at
Tianxu Solar systems Ltd we
are committed to investing
technology and manpower to achieve
a bright and clean future, and
to providing simple and effective solutions for families
and businesses concerned about climate change and rising energy
costs . Product Parameters Solar Vacuum TubeTianxu
company distributes highly efficient evacuated tubes. We offer high
performance evacuated tubes with an improved geometry and
performance. The evacuated tubes consists of two concentric glass
tubes which are sealed in a semi-circular shape on one side and are
joined to one another on the other side. The space between the
tubes is evacuated and hermetically sealed (evacuated insulation).
To use solar energy, the internal glass tube is coated with an
environmentally friendly, highly selective layer on the outside,
thus turning it into an absorber. The selective coating is
protected in the evacuated space. The aluminum nitride sputter
coating used is characterized by an extremely low emission and a
high absorption rate. Tube StructureAll-glass double deck
co-axial structureGlass material Borosilicate 3.3 glassOuter
tube diameter and glass thicknessΦ58+/-0.7mm; glass thickness
1.6+/-0.15mmInner tube diameter and glass
thickness Φ47+/-0.7mm; glass thickness 1.6+/-0.15mmTube
Length1800mmAbsorber coating Coating
Material Cu/SS-AIN(H)/SS-AIN(L)Sediment methodThree targets
magnetron sputtering
platingAbsorptivity0.93~0.96Emittance≤6.0%(80ºC+/-5ºC)Vacuum
degreeP ≤5.0X10-3(Pa)Transmittance of glass tube T ≥0.89(AM1.5
ISO9806-1:1994Stagnation parameterY: 240~250 m2ºC/KWAverage heat
loss ULT≤0.6 W/(m2*ºC)Hail resistanceΦ25mmPressure endure0.6
MPA Cover glass tube :
protects the whole tube. The
space between the cover glass tube and the
inner glass tube is mechanically evacuated to create a vacuum
environmentInner glass tube : filled with heat
transfer fluid (generally water) and directly plugged to the water
storage
tank.Selective absorbing coating: absorbs
solar radiation and transfers to the fluid in
the inner tube.Retainer: keeps the inner tube fixed.Getter: Absorbs
the residual air in the space between the cover glasstube and inner
glass tube.Production BasesCertifications Complete Solar
Thermal Industry ChainIn solar thermal industry, we start from the
silica sand, to the raw tubes, solar vacuum tubes, solar water
heaters to the project, we have a complete industrial chain which
is outstanding in this industry.HONORS
"Shandong Famous Trademark" "Quality
Leading Brand in National Solar Thermal Industry". Listed in
the government energy-saving product purchase list for four
consecutive years. As the vice chairman unit of China Solar
Thermal Utilization Industry Alliance, the vice president unit of
Shandong Solar Energy Industry Association, and the member of the N
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