Galvanized Finned Tubes for Greenhouses

Galvanized Finned Tubes for Greenhouses

In greenhouse cultivation, a stable and suitable temperature environment is the basic guarantee for crops to thrive and achieve high yields.

Galvanized finned tubes play a key role in the temperature regulation system of greenhouses with their unique structure and performance advantages, providing a warm umbrella for crops in the greenhouse.

Structurally, galvanized finned tubes for greenhouses are mainly composed of base tubes and fins tightly attached to the surface of the base tubes.

The base tubes are generally made of metal pipes with good thermal conductivity and certain mechanical strength, such as steel pipes. Steel pipes can stably support in the complex environment of the greenhouse, withstand the flow pressure of the heat medium in the pipe, and ensure stable transmission of the heat medium. The fins are tightly wound or embedded on the surface of the base tube through a special process, which greatly increases the heat dissipation area.

When the heat medium flows in the base tube, the heat can be quickly transferred to the fins through the tube wall, and then efficiently dissipated to the space in the greenhouse by convection and radiation, realizing rapid heat transfer and dissipation.

The galvanizing process is a highlight of this type of finned tube.

In the greenhouse environment, the humidity is high and there may be some corrosive substances. Ordinary metal pipes are prone to rust and corrosion, affecting the service life and heat dissipation performance.

The galvanized finned tube is galvanized on the surface of the base tube and the fin to form a dense zinc layer on its surface. The zinc layer has good corrosion resistance and can effectively resist the erosion of humid air, moisture and some chemicals, greatly extending the service life of the finned tube.

Even if it is in a high-humidity greenhouse environment for a long time, the galvanized finned tube can maintain the integrity of the structure and the stability of the heat dissipation performance, reduce the frequency of maintenance and replacement, and reduce the cost of planting.

In terms of performance, the galvanized finned tube for greenhouses performs well

Its heat dissipation efficiency is high, and the large area of ​​fins enables it to dissipate heat into the greenhouse faster than ordinary light tubes under the same heat medium flow and temperature conditions, quickly increase the greenhouse temperature, and meet the temperature requirements of crop growth.

Galvanized finned tubes have good thermal stability. During the long heating process, they can continuously and stably emit constant temperature heat to avoid the adverse effects of large temperature fluctuations on crop growth. Whether it is a cold winter or a season with a large temperature difference between day and night, it can provide a stable and suitable temperature environment for crops in the greenhouse.

In the actual application of greenhouses, galvanized finned tubes have significant advantages

It is relatively easy to install and can be flexibly installed according to the layout and size of the greenhouse. Whether it is suspended or floor-standing, it can adapt to the space requirements of different greenhouses.

In daily use, maintenance is also relatively simple. It only needs to regularly check whether the heat medium pipeline has leaks and whether the fin surface is damaged. If problems are found, due to its relatively clear structure, the maintenance operation is relatively easy, which reduces the maintenance cost and time cost.

Galvanized finned tubes can be used in conjunction with a variety of heat sources, such as hot water boilers, heat pumps, etc., and can be reasonably selected according to the actual energy supply of the greenhouse to improve energy utilization efficiency.

Galvanized finned tubes for greenhouses have become an ideal choice for greenhouse temperature control systems due to their reasonable structural design, excellent corrosion resistance, efficient heat dissipation, and convenient installation and maintenance.

It creates a stable and warm environment for the growth of crops in the greenhouse, helps growers improve crop yields and quality, and is an important guarantee for promoting the efficient development of facility agriculture.

With the continuous development of facility agriculture and the increasing requirements for greenhouse environmental control, galvanized finned tubes are expected to be widely used in more greenhouses, bringing more hope for a good harvest to agricultural production.

Galvanized Finned Tubes: The Thermal Backbone of Modern Greenhouses

In controlled environment agriculture, galvanized finned tubes have become indispensable thermal regulation components, combining structural durability with exceptional heat transfer efficiency. Their unique design addresses the dual challenges of corrosion resistance and uniform heat distribution in high-humidity greenhouse conditions.

Structural Composition

The system comprises:

• Base tube: Typically carbon steel (Q235 grade) with 2-3mm wall thickness, providing mechanical strength and primary heat conduction pathway
• Spiral fins: Cold-wound galvanized steel strips (0.3-0.5mm thickness) creating 150-200 fins/meter density
• Zinc coating: Hot-dip galvanized layer (≥80μm) forming corrosion-resistant barrier

Performance Parameters

ParameterSpecificationAdvantageHeat Transfer Area8-10× plain tube equivalentRapid temperature adjustmentWorking Pressure0.6-1.6MPaCompatible with various heat sourcesWater Temp Range60-85°COptimal crop growth conditionsThermal Efficiency85-90%Energy saving 20-30%Corrosion Resistance>15 years in 85% RH environmentsLow maintenance costInstallation FlexibilityWall-mounted/Overhead/SuspendedAdapts to greenhouse layouts

Operational Advantages

1. Uniform Heat Distribution: Maintains ±1°C temperature variance across 100m² areas
2. Moisture Resistance: Withstands pH 5-9 chemical exposure from fertilizers
3. Modular Maintenance: Individual section replacement capability reduces downtime

The integration of galvanized finned tubes in greenhouse climate systems demonstrates 15-20% yield improvement in nightshade crops through precise thermal management. Their dual function in winter heating and summer cooling (when combined with ventilation) makes them versatile solutions for year-round cultivation.