Himin Solar Greenhouse
Solar greenhouse common many, such as greenhouse and greenhouse. With the advent of new materials of transparent plastic and glass fiber, built solar greenhouse has become increasingly diversified, become a garden factory * at home and abroad not only plastic widely used in vegetable cultivation, but also has many modern factories. The structure and the type of greenhouse can be divided into the following types:
1) the ridge shape shed
This is a large house, can be single or multi span, acorns with wood production. Transparent cover with plastic film, fixed by layering Fage plastic film. Days of Mu and side in all pull rope control, convenient operation linkage. The greenhouse anti wind performance is good, suitable for my BdC area.
2) for circular tunnel
The greenhouse of different styles, structure with steel, also covered with plastic. Because the top is four arched, so called arched greenhouse. This structure can reduce wind resistance, to prevent the film blowing jitter, to prolong the service life. In general, the greenhouse is affordable, in Japan, about 50% of the steel structure house dust in this type of. In order to meet the technical operation of modern greenhouse, some increase in the shed and chair height, well concrete soil foundation, installation of heating equipment and the wet exhaust fan, for multi span built, extended span to 4 - 5m.
3) large plastic shed
The greenhouse is a slow ramp, middle, with prominent arch group, two cases, under the action of wind resistance. Supporting framework available wood, bamboo and bamboo, transparent cover is made of soft or hard polyvinyl chloride plastic film, the roof can be installed ventilation days.
4) tube frame shed
After the pipe bending, two from two cases to the central connection to use, covering with plastic film. The assembly and disassembly are relatively simple, suitable for planting plant low crop. It is a single span plastic shed, but now also for the development of multi span large gate * large span of this kind of greenhouse generally without adding other heating equipment, also do not apply to house high crops, only by solar energy warm can, such as planting strawberry, leeks, spinach. The greenhouse, strong wind resistance, and can not afford so much snow, snow area to support increased or timely snow in the tension and the inner. When the weather is warm, the side film roll up ventilation. Our country adopts the plastic greenhouse. |
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