
solar dryer
Complete Your Drying System with High-Performance Accessories
Looking to upgrade your solar-biomass hybrid dryer or replace worn components? Instefast Ltd supplies premium accessories designed to improve efficiency, extend equipment life, and deliver consistent drying performance.
Frequently Asked Questions
- Are these accessories compatible with all solar dryers?
- Most accessories are designed for Instefast dryers but can also be customized to fit many other solar and hybrid drying systems.
- Can I purchase accessories separately?
- Yes. Individual accessories and replacement parts are available without purchasing a complete dryer.
- Are the drying trays food-safe?
- Yes. Our trays are manufactured from food-grade stainless steel that is hygienic, corrosion-resistant, and easy to clean.
- Do you provide installation support?
- Yes. Our technical team can assist with installation, upgrades, and maintenance of your drying equipment.
Contact our team today for a free consultation and customized quotation.
Biomass Furnace for Solar-Biomass Hybrid Dryers
The Biomass Furnace is the heart of a Solar-Biomass Hybrid Dryer, providing a dependable source of heat whenever solar energy is unavailable. At Instefast Ltd, we design and manufacture high-efficiency biomass furnaces that ensure uninterrupted drying during cloudy days, rainy seasons, and nighttime operations.
Key Features
- High-efficiency combustion chamber.
- Heavy-duty mild steel or stainless steel construction.
- Indirect heating system for smoke-free drying.
- Heat-resistant insulation for improved efficiency.
- Integrated chimney and smoke exhaust system.
- Adjustable air intake for combustion control.
- Fuel-efficient design.
- Durable access door for easy fuel loading.
- Low maintenance requirements.
- Compatible with small, medium, and industrial hybrid dryers.
Compatible Biomass Fuels
Our biomass furnaces are designed to operate using a wide range of readily available biomass fuels, including:
- Firewood
- Sawdust
- Wood offcuts
- Rice husks
- Coffee husks
- Maize cobs
- Coconut shells
- Sugarcane bagasse
- Biomass briquettes
- Other clean agricultural residues
Benefits
Continuous Drying
Keeps the dryer operating during cloudy weather, at night, or in rainy seasons
Improved Product Quality
Provides stable drying temperatures that help preserve colour, taste, aroma, and nutrients.
Energy Efficient
Uses locally available biomass fuels to reduce reliance on electricity and fossil fuels.
Environmentally Friendly
Supports renewable energy by utilizing agricultural waste materials that would otherwise be discarded.
Applications
The biomass furnace is suitable for drying:
Fruits
- Mangoes
- Pineapples
- Bananas
- Pawpaw
- Apples
Vegetables
- Tomatoes
- Onions
- Spinach
- Kale
- Carrots
Herbs & Spices
- Basil
- Mint
- Rosemary
- Ginger
- Turmeric
- Garlic
Other Agricultural Products
- Fishg
- Meat
- Mushrooms
- Coffee
- Tea
- Medicinal herbs
- Animal feedsSeeds and grains
Frequently Asked Questions
Does smoke enter the drying chamber?
No. The furnace uses an indirect heating system that keeps smoke and combustion gases separate from the drying chamber, ensuring hygienic food processing.
What fuels can I use?
You can use firewood, briquettes, sawdust, rice husks, coffee husks, maize cobs, coconut shells, sugarcane bagasse, and other clean agricultural biomass fuels.
Is the furnace suitable for continuous operation?
Yes. It is designed for extended drying cycles and can operate for long periods with proper fuel management and maintenance




Air Circulation Fans for Solar-Biomass Hybrid Dryers
Efficient airflow is one of the most important factors in achieving high-quality dried products.
Why Air Circulation is Essential
During the drying process, moisture evaporates from agricultural products and must be continuously removed from the drying chamber. Without adequate airflow, humidity builds up, slowing the drying process and reducing product quality.
Instefast air circulation fans create a controlled flow of heated air that:
- Maintains consistent temperatures.
- Removes humid air efficiently.
- Speeds up moisture evaporation.
- Ensures uniform drying across all trays.
- Reduces drying time.
- Improves the quality and shelf life of dried products.
How Instefast Air Circulation Fans Work
Our air circulation system draws heated air from the sun and biomass heating unit and distributes it evenly throughout the drying chamber.
As the warm air flows over the drying trays/racks, it absorbs moisture from the products before being expelled through adjustable exhaust vents. This continuous circulation prevents heat loss, reduces humidity, and creates ideal drying conditions.
The result is faster, cleaner, and more consistent drying with minimal energy waste.
Frequently Asked Questions
Why is airflow important in a solar-biomass hybrid dryer?
Airflow removes moisture from the drying chamber, allowing products to dry evenly and efficiently while maintaining product quality.
Can these fans run on solar power?
Yes. Our fans can be powered by solar photovoltaic systems, mains electricity, or integrated hybrid power systems.
How do I select the correct fan?
Our technical team calculates the required airflow based on dryer dimensions, product type, and production capacity to recommend the most suitable solution.




Digital Temperature Controller
Upgrade your drying system with a Digital Temperature Controller from Instefast Ltd and enjoy precise heat management, faster drying, and consistently high-quality products.
Key Features
- High-precision digital temperature monitoring.
- Easy-to-read LCD or LED display.
- Programmable temperature settings.
- Automatic heat regulation.Real-time temperature display.
- Temperature alarm function.
- Compatible with biomass heating systems.
- Supports solar and hybrid drying applications.
- Durable industrial-grade construction.
Benefits
- Accurate temperature control. Uniform drying of agricultural products.
- Reduced fuel and electricity consumption.
- Prevents overheating and product damage.
- Improves food quality and shelf life.
- Easy to operate and monitor.
Common Types
- PID Digital Temperature Controller
- Provides highly accurate temperature regulation with minimal fluctuations. Ideal for commercial and industrial hybrid dryers.
- ON/OFF Temperature Controller
- A simple and cost-effective controller that switches the heating system fully on or off based on the set temperature.
- Programmable Temperature Controller
- Allows users to create multiple drying stages with different temperature settings, making it ideal for processing different products.
- Smart Wi-Fi Temperature Controller
- Enables remote monitoring and adjustment through a smartphone or computer, making it suitable for modern automated drying systems.




Drying racks for Solar-Biomass Hybrid Dryers in Kenya
Designed for hygienic and efficient drying of fruits, vegetables, herbs, spices, fish, meat, and other agricultural products.
Features
- Food-grade stainless steel.
- Corrosion-resistant.
- Easy to clean.
- Excellent airflow.
- Durable and reusable.
Types of Drying Racks
Fixed Multi-Layer Drying Rack
A permanent rack system ideal for compact dryers and continuous food processing operations.
Mobile Drying Rack Trolley
A wheeled rack system that allows complete rack assemblies to be rolled into and out of the drying chamber.
Frequently Asked Questions
- What material is recommended for drying racks?Food-grade stainless steel is the preferred material because it is corrosion-resistant, hygienic, easy to clean, and suitable for direct food contact.
- Can the racks be customized?Yes. Instefast manufactures drying racks in custom dimensions and configurations to match your dryer and production capacity.
- Are sliding racks better than fixed racks?
- Sliding racks improve accessibility and reduce loading time, making them ideal for commercial and industrial drying operations.
- Can I purchase replacement racks?
- Yes. We supply replacement drying racks and additional rack systems for existing dryers.




Humidity Monitoring System for Solar-Biomass Hybrid Dryers in Kenya
Our humidity monitoring systems are selected for accuracy, reliability, and compatibility with modern drying technologies
How the Humidity Monitoring System Works
The system uses a high-precision humidity sensor installed inside the drying chamber to measure the relative humidity (RH) of the circulating air.
Operators can use this information to adjust:
- Air circulation fans.
- Biomass furnace heat output.
- Exhaust vents.
- Drying duration.
- Temperature settings
Frequently Asked Questions
- Why do I need a humidity monitoring system?Monitoring humidity helps ensure products dry evenly, reduces spoilage, and improves overall drying efficiency.
- Can the system work with a digital temperature controller?Yes. It integrates seamlessly with digital temperature controllers and other drying automation equipment.
- Is it suitable for retrofitting?Yes. Our humidity monitoring systems can be installed on many existing solar and biomass drying systems.
- Does it require frequent calibration?The sensors are factory calibrated, but periodic calibration is recommended for long-term accuracy, especially in commercial food processing environments.




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