The key parameters for a smart glass greenhouse are crucial for ensuring optimal growing conditions and efficient operation. Here are the main parameters and design specifications:
Environmental Control Parameters
1. Temperature
Range: Typically maintained between 18°C to 28°C for most crops, but can be adjusted based on specific plant requirements.
Control Systems: Heating systems (such as hot water or steam heating), cooling systems (like wet curtain and fan systems), and insulation systems to maintain the desired temperature.
2. Humidity
Range: Generally kept between 60% to 80% relative humidity, but can vary depending on the crop.
Control Systems: Humidifiers and dehumidifiers, as well as ventilation systems to manage moisture levels.
3. Lighting
Light Transmission: Single-layer float glass transmits over 90% of light, while double-layer hollow glass transmits over 80%.
Control Systems: External and internal shading systems to regulate light intensity, and supplemental lighting systems (such as LED grow lights) for extended daylight hours or low-light conditions.
4. CO₂ Concentration
Range: Typically maintained around 400-1000 ppm, depending on the crop and growth stage.
Control Systems: CO₂ generators to increase CO₂ levels for enhanced photosynthesis.Smart glass greenhouses represent a significant leap forward in modern agriculture.
Structural and Design Parameters
1. Frame Material
Material: High-quality hot-dip galvanized steel structure with a zinc coating of 275g/m², providing a service life of over 20 years.
Design: A-type roof structure for stability and efficient drainage.
2. Covering Material
Types: Hollow tempered glass or single tempered glass, offering high light transmittance, durability, and safety.
Features: Tempered glass is known for its strength and safety, shattering into blunt particles if broken.
3. Span Width and Dimensions
Span Width: Common widths include 6.4m, 8m, 9.6m, 10.8m, 12.8m, or customized to meet specific needs.
Column Spacing: Typically 4.0m or 8.0m.
Shoulder Height: Ranges from 3.0m to 6.0m or customized.
4. Drainage and Ventilation
Drainage Capacity: Maximum drainage capacity of 140mm/h to handle heavy rainfall.
Ventilation Systems: Top window systems, fan systems, and wet curtain systems for effective air exchange and temperature control.
Additional Systems and Features
1. Shading Systems
External Shading: To reduce heat and glare during summer, ensuring optimal light diffusion.
Internal Shading and Insulation: To prevent heat loss and adjust sunlight intensity.
2. Irrigation and Fertilization
Automated Irrigation: Precision irrigation systems to ensure consistent water supply.
Fertilization Systems: Automated nutrient delivery systems to provide optimal nutrition to plants.
3. Monitoring and Control Systems
Sensors: Real-time monitoring of temperature, humidity, CO₂ levels, and light intensity.
Central Control Unit: PLC-based control systems for automated adjustments based on sensor data.
Cost Analysis for a 500-Square-Meter Smart Glass Greenhouse
Frame and Structure: $100,000 - $150,000
Covering Materials: $50,000 - $70,000
Environmental Control Systems: $30,000 - $50,000
Installation and Labor: $20,000 - $30,000
Total Estimated Cost: $200,000 - $300,000
These smart glass greenhouse parameters and costs provide a comprehensive overview of what is required to set up and operate a smart glass greenhouse, ensuring optimal conditions for high-yield and year-round crop production.
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Accessibility: Choose a site easily accessible for planting, harvesting, and transporting vegetables. Vegetable Growing Greenhouse providers recommend locations near roads to minimize labor and transport costs.
Aspect: For optimal sunlight exposure, choose an east-west orientation with the longest side facing south. This is especially important for Agricultural Greenhouse providers serving regions with high latitudes, as it maximizes sunlight during shorter winter days, enhancing crop growth.
Temperature Regulation: Through greenhouse technology, heating systems such as hot water pipes and electric heating wires can be used to raise the temperature inside the greenhouse during cold seasons. This allows plants that can only grow in warm areas (such as tomatoes and cucumbers) to be cultivated in the greenhouse, extending their growing cycle and ensuring a stable yield during the cold season.
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Range: Typically maintained between 18°C to 28°C for most crops, but can be adjusted based on specific plant requirements.
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