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Comparison of cooling method of spraying sunshade in greenhouse and cooling method of sunshade net
2020-11-26
Whether it is a multi-span greenhouse, a plastic greenhouse, or a sun room, indoor high temperature has always been an important factor that disturbs its safe operation in summer. The traditional fan-damp curtain cooling system has good cooling performance, but the fan consumes a lot of power and has high operating costs; the mist cooling system has not been promoted in China because of water quality, one-time investment, operating costs, and indoor humidity control issues. application.
Natural ventilation is a cheap way to cool down. In all types of greenhouses, natural ventilation equipment is basically standard, but the cooling capacity of a separate natural ventilation system is limited, especially in high-intensity summer or at noon in other seasons. With natural ventilation systems, it is difficult for the indoor temperature to reach the optimum temperature for crop growth in many areas. For this reason, equipment configuration schemes that combine shading and natural ventilation systems are widely used.
Below, let’s make a comparison between the sunshade net cooling and spray cooling:
To sum up: each has its own advantages and disadvantages. It is our goal to develop and use cheap and environmentally-friendly production technologies in accordance with local conditions. But at the expense of yield and crop quality, the cost reduction in exchange is undoubtedly killing chickens and getting eggs. This goes against the original intention of maximizing economic benefits. One of the reasons why the efficiency of my country's greenhouse horticulture industry is declining year by year. The author believes that if you consider the long-term operation of the greenhouse and the stability of the income, you can install both internal and external shading. In this way, the indoor climate can be adjusted regardless of winter and summer; if economic benefits and short-term emergency measures are considered, surface spraying and fixed external shading can be considered.
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— News —
2020-11-28
Introduction: Shouguang Vegetable High-tech Demonstration Park-4A-level tourist attraction, hereinafter referred to as (Caibo Garden). Located in Luocheng Street, Shouguang City,
How to increase crop yield per unit area has always been the goal of modern greenhouse agriculture development!
The small parts of the greenhouse shading (heat preservation) system should generally follow the following quantitative principles:
2020-11-26
Whether it is a multi-span greenhouse, a plastic greenhouse, or a sun room, indoor high temperature has always been an important factor that disturbs its safe operation in summer.
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