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Heat-tube evacuated solar collector tubes
The heat tube developed on basis of the all-glass evacuated solar collector tube is a new product in sloar utilization field, Whichintegrally uses the heat-tube technology,coating technology and vacuum technology.
Because of the high thermal efficiency and a sunning stagnation up to 250,besides in water heater and water boiler,it is widely used in collective and household heat-supply,cooling,air conditioning,agricul-tural culture,sea water desalting,and warming of swimming pool.
In the heat-tube the high heat-conductive heat-tube type core,shaped aluminum heat-absorbing sheet,high-B-Si glass,magneric-controlled sputtered selective absorption coating and medium-temperature hot press and sealihng of metal-glass are adopted.
No water enters the heat-transfer tube and thus blocking of water passage and turn impair of the output power resulted from scale in the vacuum tube are basically eliminated.