Chongqing Qing Cheng Agricultural Science And Technology Co., Ltd.
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Agriculture Flower / Vegetable Plastic Film Greenhouse With Inside Shadow System
Introduction And Features
The two main characteristics of a multi-story film greenhouse are simple structure and flexible form. The simple multi-story film greenhouse is to remove some of the configurations in the G-span multi-story film greenhouse. It is mainly applicable to grape shelters, strawberry cultivation, crop seedlings, etc. It mainly has the following two characteristics. In addition, the maintenance framework structure of multi-story film greenhouses needs regular maintenance. The covering material should improve the anti-cracking and anti-aging ability, can resist wind and sun, and achieve the purpose of light transmission and heat insulation. Therefore, it is necessary to take good reinforcement measures and repair any leaks in time.
(1) Simple structure
Due to the characteristics of the covering material, the load-bearing structure, solid film system, and installation requirements of the plastic greenhouse are relatively simple. The load-bearing structure is made of hot-dip galvanized light steel or ordinary steel structure. Generally, the hot-dip galvanized light steel structure is adopted, and the assembly structure is better. The main part of the steel frame of the greenhouse is mainly composed of columns, four surrounding beams, top arches, top pulls, beams, stilts, gutters, etc. The top longitudinal members are used as tie rods, which greatly simplifies the structure and reduces the use of The amount of steel. At the same time, when the greenhouse uses a covering material to connect to the roof non-mechanically, the roof only bears the gravity load and normal wind pressure, and the transmission of wind pressure to the gutters and columns greatly optimizes the stress of the greenhouse structure.
(2) Flexible and diverse sizes
Due to the structural characteristics of multi-span greenhouses and the development of large-scale multi-span film greenhouses, there are many factors affected by regional customer needs and other factors. Countries around the world carry out plastic greenhouses based on their own standards. Production and promotion. Therefore, a large number of plastic film greenhouses of different forms and specifications are formed, such as dome-shaped greenhouses with different spans, heights and roof shapes, double-arc-shaped roof greenhouses, saw-tooth greenhouses, small-arch multi-roof greenhouses, etc . Because of this, it has been difficult to summarize and describe the individual sizes of plastic greenhouses so far. This allows flexible design of spans and bays according to customer requirements to meet the design needs of different terrain sizes.
Use Tips
The maintenance of a multi-span greenhouse building is mainly the maintenance of the skeleton structure. For the covering material, it is mainly to improve the anti-cracking and anti-aging ability to resist the wind and the sun and achieve the purpose of light transmission and heat insulation. Therefore, it is necessary to take good reinforcement measures and repair any leaks in time. For greenhouses that have been used for a long time, the film will be stained with dust, which will greatly reduce the light transmittance.