Description of Solar Water Heating Project:
Exactly, solar water heating project is a large solar heating system that provides hot water from an array of solar collectors. It consists of a solar collecting system, a water storage system, a control system and a pump system. The working principle of the solar water heating project is similar to that for the solar domestic hot water system. It's just like a large central heating system.

Application of Solar Water Heating Project:
Solar water heating project can meet the need for large quantities of hot water by factories, hospitals, hotels, schools, etc.

Features of Solar Water Heating Project:
1. Solar water heating project is to supply hot water collectively, whose performance is like the central air-conditioning system;
2. Take solar radiation as the heat energy, energy saving is up to 80%;
3. Reduce the emission of greenhouse gas; the system is environment-friendly;
4. Combine with the auxiliary heating system to supply hot water all day round;
5. Constant temperature controlling guarantee hot water supply at any time;
6. Overheat protection, lightning protection, wind-resistance, reliability and safety;
7. Design according to the building style and hot water demand.

Schematic of Solar Water Heating Project:

Note: 1. The system heat 20 tons water from 10℃ to 45℃, the total energy consumption is 3×106kJ.
2. Taken advantage of the solar energy for about 305 days all year round.
3. The data mentioned above are counted in terms of the China commodity prices(factor of rise of the prices is considered)

Hot water demand

Solar Thermal Heating System (optional)

Water storage system( optional))

Pump

Control system

Non-pressurized solar thermal collector

U-pipe evacuated tube solar collector

Heat pipe  evacuated tube solar collector

Round water tank

Square water  tank

Hot water supplied in 24 hours

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Hot water supplied at setting time

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Picture

Param- eters

Vacuum tube length/ diameter

2.1m/ ￠58mm

Vacuum tube length/ diameter

1.6m 1.8m 2.1m/ ￠58mm

Vacuum tube length/ diameter

1.8m/ ￠58mm

Volume

1-5T

Volume

1-50T

Vacuum tube quantity

30

Vacuum tube quantity

12/16

Vacuum tube quantity

12

Inner tank

Q235

Inner tank

Q235

Inner tube

SUS304

Inner tube

Copper

Inner tube

Copper

Heat prese- rvation

polyure- thane

Heat prese- rvation

polyu- rethane

Heat prese- rvation

polyur- ethane

Heat pres- ervation

polyu- rethane

Heat pres- ervation

polyu- rethane

Auxiliary electric heating

Auxiliary electric heating