Description

Specification data of solar flat plate collector: Dimensions: 2, **0 x 1, **0 x **0mm Gross area: 2.*5m² Efficiency area: 1.*1m² Gross weight of collector: *3 ±3kg Transparent cover Number of cover: 1pc Dimensions: 1, **0 x **0mm Cover material: common glass, tempered glass, and low iron tempered glass Cover thickness: 4mm Cover transmission: *9 to *1.4% Absorber Dimensions: 1, **0 x **6mm Material: red copper Surface treatment: galvanized chromium coating Construction type: fin and tube (ultrasonic welding) Header material: copper TP2 Header tube size: ∮*5 x 1, **0 x 0.6mm/2pcs Rise material: copper TP2 Rise tube size: ∮*2 x 1, **6 x 0.5mm/7pcs Fill capacity: 1.8L Including header pipe Operating principle of solar central hot water system project: Chill water goes into hot water storage tank via chill water supply system When set water level is reached, chill water supply system stops operating Chill water in hot water storage tank is reinforced into heat collector array via circulation-forcing water pump, where it is heated under solar radiation and increases in temperature When the difference between water temperature in upper circulator of heat collectors and that at the bottom of hot water storage tank reaches set value, circulation-forcing pump is started and brings chill water from the tank to heat collector array while taking hot water in heat collector array back to hot water storage tank When said difference equals or drops below set value, circulation-forcing pump stops operating Chill water in heat collectors continues to be heated under solar radiation Circulation in this way causes water temperature in hot water storage tank to rise time and again The circulation system is known as forced circulation system