Design of Economical Solar Greenhouse and Analysis of Economical Benefit in Liaoning

Economical solar greenhouse was designed by analyzing basic structure and according to Type Liaoshen-I solar greenhouse.Concrete pillars and soil wall were used to support load of frame in this kind of greenhouse for the first time.So pressure on soil wall was decreased obviously and collapse of soil wall was avoided when it is raining.It increases working life of greenhouse.Cost of this kind greenhouse is 28666 yuan/667m2(not including working house). It can save about 20000 yuan,compared with Type Liaoshen-I at the same span.By analyzing annual investment and benefit in economical,Type Liaoshen-I and bamboo greenhouse,the differences are 11077 yuan,9865 yuan and 3773 yuan,respectively.