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The Greenhouse Humidification Unit is a packaged high-pressure misting system for controlled humidity management in greenhouses, nurseries, propagation areas, and horticultural production spaces. Filtered water is pressurized to 50–70 bar and supplied through high-pressure piping to fine-atomizing nozzles. Typical droplets measure 5–15 μm, supporting fine moisture dispersion and evaporation when temperature, airflow, and humidity conditions allow.
The system combines water filtration, high-pressure pumping, mist distribution, and RH-based control. Pump capacity, nozzle quantity, piping layout, and control settings are selected from the greenhouse dimensions, crop requirements, water conditions, and target humidity range.
Key System Features
Fine Water Atomization: The 5–15 μm typical droplet range provides fine mist distribution across the controlled area. Actual droplet characteristics depend on nozzle specification, operating pressure, water conditions, temperature, and airflow.
50–70 Bar Operation: The high-pressure circuit operates at 50–70 bar. Pump flow is matched to the number and flow characteristics of the selected atomizing nozzles.
Integrated Configuration: The unit combines filtration, high-pressure pumping, control components, and mist distribution connections within one coordinated system configuration.
RH-Based Control: An RH sensor provides relative humidity feedback to the controller. The system can start or stop mist generation according to the configured humidity setpoint and operating sequence.
Technical Specifications
|
Parameter |
Specification |
|
Product Type |
Greenhouse Humidification Unit |
|
Operating Pressure |
50–70 bar |
|
Typical Droplet Size |
5–15 μm |
|
Water Supply |
Filtered water |
|
Humidity Feedback |
RH sensor |
|
Mist Generation |
High-pressure atomizing nozzles |
|
Piping System |
High-pressure misting piping |
|
Pump Flow |
Project selected |
|
Nozzle Quantity |
Project selected |
|
Control Mode |
Automatic RH control |
|
Installation Area |
Greenhouse / horticultural space |
Pump flow and nozzle quantity are determined from required mist output, greenhouse dimensions, nozzle specifications, and the planned distribution layout.
Greenhouse Applications
Commercial Greenhouses
The system provides controlled mist distribution across production zones where humidity forms part of the greenhouse environmental control process.
Plant Nurseries
Nozzle placement and mist output can be arranged around nursery benches, growing zones, and plant density to maintain the required moisture distribution.
Propagation Areas
Fine mist generation provides controlled moisture input for propagation spaces where humidity conditions require active adjustment.
Horticultural Production
The system can be applied to enclosed or semi-enclosed growing areas with defined crop zones, ventilation paths, and environmental control requirements.
Humidification System Configuration
Water Filtration: Incoming water passes through filtration before entering the high-pressure circuit. Filter selection is determined by source water quality, nozzle requirements, and system configuration.
High-Pressure Pumping: The pump raises filtered water to the required 50–70 bar operating range and supplies the misting network at the selected flow rate.
Mist Distribution: High-pressure piping connects the pump assembly with the atomizing nozzles. Nozzle spacing and quantity are established from greenhouse dimensions, crop arrangement, airflow, and required mist output.
RH Control: The RH sensor supplies real-time humidity feedback to the controller. Operating limits and switching points are established according to the required humidity control range.
Selection Guide
Greenhouse Dimensions
Provide greenhouse length, width, height, growing area, and internal volume. These dimensions determine the required mist output and distribution coverage.
Crop Conditions
Crop type, planting density, growth stage, and target humidity range affect pump capacity, nozzle quantity, and control requirements.
Water Supply
Water source, available supply capacity, inlet conditions, filtration requirements, and water quality should be confirmed before final equipment selection.
Airflow
Ventilation systems, circulation fans, greenhouse structure, and internal airflow affect evaporation and moisture distribution. Nozzle locations should follow the actual air movement pattern.
Installation Considerations
Nozzle Layout: Nozzle quantity and spacing should correspond with the greenhouse structure and intended coverage area. Installation positions are selected to distribute mist across the required growing zone.
Piping Arrangement: High-pressure piping should follow a defined route with suitable supports, connections, isolation points, and service access.
Sensor Position: RH sensors should be located where the measured humidity represents the controlled growing environment. Direct exposure to nozzle discharge should be avoided.
System Integration: The humidification unit can be incorporated into the greenhouse environmental control sequence according to the required operating logic and available control interface.
Quality and Process Control
Component Inspection
Hydraulic, electrical, filtration, and control components are checked against the specified system configuration before assembly.
Pressure Testing
The high-pressure circuit is inspected and tested at operating conditions to verify piping connections, water delivery, and circuit integrity.
Functional Testing
Pump operation, mist generation, water flow, RH feedback, automatic control response, and system switching functions are checked during final testing.
Configuration Records
Key technical specifications, hydraulic configuration, selected components, and control settings can be recorded for installation, commissioning, and service reference.
Procurement Information
For accurate system selection, provide the greenhouse length, width, height, growing area, crop type, water source, available power supply, target humidity range, and installation layout.
These details provide the basis for determining pump flow, nozzle quantity, piping configuration, filtration requirements, and control method.
For project-based greenhouse installations, the hydraulic capacity and nozzle layout should be evaluated together. This allows the complete mist distribution system to be matched with the actual greenhouse structure and operating conditions.
FAQ
Q: What is a greenhouse humidification unit?
A: It is a packaged high-pressure misting system that introduces finely atomized water into greenhouse environments for controlled humidity adjustment.
Q: What operating pressure does the system use?
A: The operating pressure is 50–70 bar. The final working point depends on the selected pump, nozzle configuration, and required mist output.
Q: What droplet size does the system produce?
A: Typical droplets measure 5–15 μm. Actual droplet size varies according to nozzle specification, pressure, water conditions, temperature, and airflow.
Q: Can the unit control humidity automatically?
A: Yes. An RH sensor can provide feedback to the controller, allowing mist generation to follow a defined humidity setpoint and control sequence.
Q: How is greenhouse humidification capacity selected?
A: Capacity is determined from greenhouse dimensions, crop conditions, target humidity range, water supply, airflow, nozzle specifications, and required mist output.
Q: What information is required for system selection?
A: Provide greenhouse dimensions, growing area, crop type, water source, power supply, target humidity range, and an installation layout. This information supports pump sizing, nozzle selection, piping design, and control configuration.
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