Multi-span Venlo glass greenhouse
Basic knowledge of greenhouse design
1. Greenhouse location

It is very important to select the location of greenhouse. When selecting the location, we should try to choose the flat plot. The groundwater level should not be too high. We should avoid the mountains and buildings that block the light. For the users of planting and breeding, we can not build the greenhouse in the polluted places. In addition, the wind resistance of the selected greenhouse should be considered in areas with strong monsoon. In general, the wind resistance of greenhouse should be above grade 8.
Greenhouse China Commercial greenhouse
2. Orientation of greenhouse

It is suggested to choose the north-south direction of the greenhouse, that is, the mountain wall of the greenhouse is on the north and south sides, which can make the crops in the greenhouse distribute uniform light. The light transmittance in the north-south direction was 5% - 7% more than that in the east-west direction, the light distribution was uniform, and the temperature change in the greenhouse during the day was gentle. Therefore, greenhouses tend to be north-south

3. Greenhouse steel

Hot dip galvanized steel pipe is commonly used in greenhouse steel. Hot dip galvanized steel pipe is firstly pickled. In order to remove iron oxide on the surface of steel pipe, after pickling, it is cleaned in the tank with ammonium chloride or zinc chloride solution or mixed solution of ammonium chloride and zinc chloride, and then sent into the hot dip tank. Hot dip galvanizing has the advantages of uniform coating, strong adhesion, long service life and strong corrosion resistance.

4. Greenhouse covering film

PE film and Po film are commonly used. The owner who has higher requirements for drip can choose Po film. The anti drip function of Po film is consistent with the life of the film. The anti dripping function of PE film is chemical additive, which will gradually weaken after one year. The owner can also choose the film with scattering or high transmittance according to the needs.

film film

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