Precautions for glass greenhouse design principles
The glass greenhouse is a kind of light steel structure, so how to design a standard glass greenhouse? Generally, it is advisable for the greenhouse to go east-west, so as to maximize the light that the greenhouse can accept. The height of the pillars is generally controlled at 3-6 meters. The height of the greenhouse is low, and the winter heat preservation effect is good. The height of the greenhouse is high and the internal space is large. Plants, the appearance of the atmosphere, summer will not be stuffy, the cost of heating in winter is relatively high.
The distance of the fan water curtain cooling system of the glass greenhouse is best to be controlled at 50 meters, and the effective distance of the fan water curtain system is within 50 meters, and the effect is the best. If it is longer than this distance, it needs to be partitioned, otherwise it will affect the summer cooling. Most of the fans are 1380 fans, and the air extraction rate is about 44000m per hour. About 15 fans are required for a 3000 square glass greenhouse. Ventilation on the top of the greenhouse mostly uses compartment windows, staggered windows and full-top windows, which are customized according to the customer's ventilation requirements. The best distance between the side flip window of the greenhouse and the shed is controlled within 2 meters.
The shading and heat preservation system of the greenhouse, a motor controls about 3000 square meters. The drive shaft should not be too long, otherwise it will affect the overall use of the sunshade system. The shade screen is selected according to the crop's light requirements, and the shading rate is from 55% to 99.9%. For some plants that do not need light, we will use full shade and opaque screens.
In addition, the drainage slope of the greenhouse is generally controlled at 2.5‰, and the drainage length should not be too long. Too long will lead to poor drainage and accumulation of water in the sink, which will cause rain leakage in the shed.
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