Product Overview
The Huanuo LRF Series Vertical Industrial Hot Air Furnace is designed to provide reliable, high-temperature hot air for a wide range of industrial heating and drying processes. Featuring an integrated combustion chamber and heat exchanger, the vertical structure offers a compact footprint and flexible installation options. Its optimized spiral heat exchange design enhances heat transfer performance, while the separated air and flue gas pathways in the indirect heating configuration help deliver clean, dust-free hot air. Compatible with natural gas, diesel, coal, and biomass, the LRF Series offers flexible fuel options, automated temperature control, and dependable operation for demanding industrial applications.
Key Advantages
Provides hot air up to 350°C in indirect heating mode or up to 1000°C in direct heating mode, supporting diverse industrial temperature requirements.
Utilizes multi-head spiral-grooved fin technology and optimized gas flow to intensify turbulence, improve heat exchange, and enhance thermal performance.
Directly converts fuel energy into hot air, offering an energy-efficient alternative to electric heating and helping reduce operating expenses.
Features separated air and flue gas pathways in the indirect heating configuration, helping prevent combustion products from contaminating the process air.
Combines the combustion chamber and heat exchanger in one integrated unit, allowing flexible installation alongside processing equipment and reducing the need for dedicated boiler room infrastructure.
Supports natural gas, diesel, coal, and biomass, with automatic temperature regulation, digital monitoring, and safety interlocks for reliable continuous operation.
Typical Applications
Cooking、Pasteurization、Sterilization、Cleaning、Evaporation、Drying
Dyeing、Bleaching、Washing、Sizing、Printing、Drying、Finishing
Reactor Heating、Distillation、 Evaporation、Drying、Stripping、Tank Heating 、Cleaning
Pulp Cooking、Evaporation、Paper Drying、Starch Preparation、Coating、Tank Heating、Cleaning
Rubber Vulcanization、Compounding、Mold Heating、Process Water Heating、Equipment Cleaning、Drying
Space Heating、Domestic Hot Water、Campus Heating、Public Building Heating、Industrial Heat Supply、Peak-Load Support
Technical Specifications
| Name | ZLRF-10 | ZLRF-20 | ZLRF-30 | ZLRF-40 | ZLRF-60 | ZLRF-80 | ZLRF-100 | ZLRF-120 | |
| Thermal Efficiency ( % ) | 84 ~ 85 | ||||||||
| Hot Air Outlet Temperature ( °C ) | 200–300 | 200–300 | 200–300 | 200–300 | 200–300 | 200–300 | 200–300 | 200–300 | |
| Heating Supplied ( MW ) | 0.12 | 0.24 | 0.35 | 0.47 | 0.7 | 0.93 | 1.17 | 1.4 | |
| Air Volume ( Nm³/h ) | 3297–2198 | 3847–3572 | 5447–3912 | 6445–7513 | 6786–7532 | 7813–8685 | 8867–9984 | 10556–12370 | |
| Coal Consumption ( Kg/h ) | 27 | 54 | 85 | 108 | 162 | 211 | 260 | 320 | |
| Power Consumption ( KW ) | 7.2 | 9 | 11 | 22 | 24 | 24 | 30 | 37 | |
| Design Fuel | Coal or Biomass | ||||||||
| Overall Dimension | Diameter ( mm ) | 1220 | 1500 | 1750 | 1840 | 1850 | 2100 | 2340 | 2500 |
| Height ( mm ) | 2450 | 2740 | 3500 | 3790 | 4350 | 6395 | 6400 | 6800 | |
| Weight Reference ( t ) | 1.3 | 1.6 | 2.3 | 3.8 | 4.2 | 5.2 | 6.4 | 8 | |
