Double-arch Double-film Greenhouse

The double-arch double-film greenhouse is a highly practical and energy-efficient plastic film greenhouse specially developed for cold-region planting and seasonal anti-freezing cultivation. Different from conventional single-layer film greenhouses, it adopts a unique double-layer arch frame structure with double-layer inflated plastic films, forming a sealed air insulation layer between the inner and outer films. This professional thermal insulation design effectively solves the problems of large heat loss, poor frost resistance and low night temperature in traditional greenhouses. With low investment, excellent heat preservation performance and flexible applicability, it has become the mainstream planting facility for northern high-latitude cold areas and seasonal off-season agricultural production.

The greenhouse features a scientific double-arch structural design, consisting of outer arch frame, inner arch frame, connecting support and fixed base. The whole frame is made of hot-dip galvanized Q235 steel pipes with strong anti-corrosion and rust-proof capacity, ensuring long-term stable outdoor operation. The double-layer arch structure greatly improves the overall rigidity and wind and snow load capacity. It can resist strong winds, heavy snow and severe low-temperature weather, showing far stronger structural stability than ordinary single-arch greenhouses. The standardized assembled structure enables fast on-site installation, convenient disassembly and flexible expansion, which greatly saves construction time and labor costs.

The core advantage of the double-arch double-film greenhouse lies in its outstanding thermal insulation and energy-saving performance. The two layers of special agricultural plastic films form a closed air cushion after inflation. The static air layer effectively isolates indoor and outdoor heat conduction, greatly reducing heat dissipation at night and in winter. Compared with single-layer film greenhouses, it can increase the indoor average temperature by 3℃ to 8℃ in cold seasons, significantly reducing heating energy consumption and avoiding crop frost damage. Meanwhile, the double-film structure also has excellent heat insulation effect in summer, preventing excessive indoor temperature rise and creating a mild and stable microclimate for crop growth.

Equipped with high-transmittance, anti-aging and anti-drip agricultural films, the greenhouse ensures high light transmittance and uniform light distribution inside the room. The film surface is treated with special anti-UV and anti-aging technology to resist long-term solar radiation and outdoor weathering, effectively extending the service life of the covering material. The inner anti-fog coating avoids condensed water dripping and reduces the incidence of fungal diseases caused by high humidity, ensuring healthy and vigorous growth of vegetables, flowers and seedlings.

This type of greenhouse supports a complete set of customized auxiliary systems to achieve intelligent and refined planting management. Users can configure external shading system, natural ventilation windows, fan and wet curtain cooling system, internal thermal insulation quilt system, automatic irrigation and fertilization system according to planting needs. In winter, the matching thermal insulation quilt further improves night heat preservation effect; in summer, the ventilation and cooling equipment effectively reduces high temperature damage. The flexible collocation of functional systems enables the greenhouse to adapt to planting demands in four seasons and realize annual continuous production.

With the advantages of low construction cost, remarkable energy saving effect, strong cold resistance and simple maintenance, the double-arch double-film greenhouse is widely used for off-season vegetable planting, strawberry and fruit cultivation, flower planting, seedling breeding and medicinal plant cultivation in cold regions. It provides a low-cost and high-benefit solution for winter agricultural production and is one of the most cost-effective and practical greenhouse facilities for large-scale popularization in modern agriculture.