4、hasavastterritory, and inthelowlatitude, solarenergy resourcesareveryrich. Researchandutilizationof solarenergy and theimportanceof thedevelopment, isfar-reachingmeaningforthe sustainabledevelopmentof resourcesandenvironmentinChina andglobalenvironmentprotec
5、tion. Atpresentalotof heatcollector ofsolarenergy, but widelyusedinChina or flatplateheatcollector. Atpresent, collector isbetter utilizedinsome developedcountries parabolictrough, andobtain twopiecesof goodresults, butinourcountry, thetechnologyhasseldombee
6、nstudied.This is thepurposeof design, from solarenergy moreeffectivelyuse of incidentsunlight, focusonimproving theenergydensity, sothatthe focus of surfacetreatmentinthe heatcollecting smallsurface to reduceheatloss, so inthehot set highertemperature toobta