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Glass greenhouse 09

Smart Multi-span Glass Greenhouse

For those engaged in long-term agricultural cultivation—especially those who prioritize consistent light transmission and the ability to expand their growing space—a smart, smart multi-span glass greenhouse is the ideal choice.
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Many commercial growers frequently find their cultivation plans disrupted by the uncertainties of nature. Fluctuations in temperature and humidity can lead to uneven crop growth and frequent outbreaks of pests and diseases, making it difficult to guarantee yields. For any grower, establishing a stable and controllable growing environment is of paramount importance. To address this, our company provides customized, smart multi-span glass greenhouses for international clients. Each project is tailored to local conditions—including wind and snow loads as well as rainfall—and designed to meet the specific requirements of the crops being grown. These solutions have proven highly effective in areas such as vegetable hydroponics, floral seedling production, plant propagation, and the cultivation of medicinal plants.
 
Main structural design of the smart multi-span glass greenhouse: 
 

The design of the main structure is not static; it is developed by considering the requirements the glass greenhouse imposes on civil engineering, while also accounting for the specific shape of the site. Key parameters—such as the greenhouse’s total floor area, axial dimensions, overall building height, and gutter height—are all carefully calculated and planned.
The roof of the multi-span greenhouse is covered with 4mm single-layer diffused tempered glass, while the vertical facades feature 6+12+6mm double-glazed tempered glass units, supported by specialized rafters and gutters designed for greenhouses. The advantages of this design include:
(1) Excellent transparency, which enhances overall light transmission and provides better visibility within the greenhouse;
(2) High safety, as the use of tempered glass ensures that, even in the event of accidental breakage, the glass does not pose a risk of injury;
(3) Superior energy efficiency, with the double-glazed glass effectively minimizing heat loss, maintaining stable internal temperatures, and thereby reducing energy consumption.
The greenhouse framework consists of a hot-dip galvanized light-steel structure. All components undergo rigorous quality control before leaving the factory, ensuring high precision during assembly and superior installation quality. The steel components are hot-dip galvanized and joined using anti-corrosive, hot-dip galvanized bolts and self-tapping screws, eliminating the need for on-site welding. The framework is typically finished with a white powder coating, which enhances the overall aesthetic appeal of the glass greenhouse.

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Internal Shading System 
 
Many users are unaware of the value provided by internal shading systems; they may wonder,"If the purpose of a glass greenhouse is to capture sunlight, why is a shading system needed?"In reality, an internal shading screen—installed on the structural beams of a smart, smart multi-span glass greenhouse and operated via a rack-and-pinion drive mechanism—serves to block excessive solar radiation. 
 

This helps prevent heat buildup inside the greenhouse and protects crops from sunscald, all while ensuring optimal growing conditions.
The system is highly convenient to operate: pressing the start button on the control box activates the motor. Through a transmission mechanism, the motor drives a drive shaft, which—via connecting components—moves a drive rod parallel to the screen wires. As the drive rod advances, it pulls the shading screen, causing it to unfold gradually. Once fully extended, the screen triggers a limit switch, which stops the motor and concludes the operation cycle.
Technical Specifications:
Travel distance: 3.7 m
Operating speed: 0.386 m/min
Operation duration: 9.57 min
Power supply: 380 V, 50 Hz
Motor power: 0.55 kW

smart multi-span greenhouse
  
 
How do you choose the right greenhouse? 
 
When selecting an appropriate smart multi-span glass greenhouse, it is essential to first consider the specific requirements of different crops regarding light intensity, temperature range, humidity, and cultivation height. Therefore, the first step is to determine which crops you intend to grow.

Hydroponic Tomatoes, Peppers, and Cucumbers

Vine-type vegetables require ample, uniform diffused light, a stable diurnal temperature range, and good air circulation. We typically recommend a span of 8 or 9.6 meters with an eave height between 4.5 and 6 meters. A higher eave height provides sufficient space for suspending vines, accommodating mobile work platforms, installing overhead irrigation lines, and mounting internal circulation fans. For the glazing, we recommend 4mm or 5mm high-transmittance tempered glass designed for horticultural use—specifically anti-glare or diffused-light glass. This effectively prevents leaf scorch and ensures that light penetrates deep into the dense plant canopy.

Leafy Greens

Leafy greens grow rapidly with short production cycles and are sensitive to high temperatures and intense, direct sunlight. In most cases, a span of 8 meters and an eave height of 3.5 to 4.0 meters are sufficient. Reducing the total air volume within the multi-span greenhouse allows the environmental control system to respond more quickly, which in turn improves energy efficiency. Diffused tempered glass is the preferred choice, as it softens sunlight and prevents localized overheating. Ideal conditions are a temperature of 15–22°C and humidity levels between 70% and 85%. Excessive temperatures can cause these crops to flower prematurely and develop a bitter taste.

Our company offers custom-designed smart multi-span glass greenhouses. Simply let us know which crops you plan to grow, and we will tailor a greenhouse solution specifically to your needs. 

Brand Trust

Brand Certification, Win-Win Cooperation

Construction Companies

We Provide Technical Design, Equipment Supply And Construction Coordination For Greenhouse Projects, Integrating Construction And Agricultural Technology Resources To Help Efficiently Complete Comprehensive Agricultural Projects.

Customized Precise Services

Our Technical Team Deeply Adapts To The Planting Needs Of Different Climate Zones And Crops, Providing You With a Full-Chain Customized Solution From Scheme Design To Operation And Maintenance Support.

Global Delivery Experience

Relying On Mature Experience Serving More Than 1,000 Customers In Over 90 Countries Worldwide, We Understand That Detailed Control Is The Core Guarantee Of Project Success, And We Can Efficiently Handle The Complex Scenarios And Delivery Requirements Of Overseas Projects.

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