Product Details

Specifications

1.high effective low price with heat pipe
2.certificate CE china patent
3.OEM is available
4.18 years solar manufactur

Specifications

1. No water in the full-glass heat tube.

2. The working medium is gasified to heat a condensing section so as to finish the heat exchange with water in the connection collector.

3. The solar heat collector has the characteristics of quick start,.

4. High efficiency.

5. One-way heat conduction and high anti-freezing property.

Type

All glass double vacuum heat pipe

Structure

Full-glass double-tube coaxial structure

Material

Borosilicate glass 3.3

Outer Tube Diameter

Φ47±0.7mm &=1.6mm

Φ58±0.7mm &=1.6mm

Inner Tube Diameter

Φ37±0.7mm &=1.9mm±0.5mm

Φ47±0.7mm &=1.9mm±0.5mm

Length

Φ47-1500mm Φ58-1800mm

Condensing Section Length

Φ47-1500mm &=120mm±5mm

Φ58-1800mm &=150mm±5mm

Base Material

SS/Al/Cu

Deposition Method

Triple-target DC reactive magnetic sputtering

Absorption Ratio after

Coating

0.92-0.95(AM1.5)

Absorption Ratio after

Vacuum-pumping

0.90-0.92(AM1.5)

Emission Ratio

0.04-0.06(80°C±5°C)

Vacuum jacket in inner tube and

outer tube

P≤1.0×10¯³ (Pa)

Vacuum jacket in inner tube

P≤3.0×10¯³ (Pa)

Stagnation parameter

Y=260-300 sq.m.°C/KM

Average Heat Loss Coefficient

ULT= 0.4-0.6w/(sq.m .°C)

Solar irradiation for obtaining

a preset water temperature rise

in an all glass evacuated

solar collector tube under stagnation

H=3.7-4.2 MJ/ sq.m.(58mm)

H=2.9-3.2MJ/sq.m.(47mm)