Principle
RFY(Q)series of auto-fuel (gas)indirectly heated air hot stove,light diesel oil (or gas)to fuel new energy-efficient hot air for the given device.
Features
◆ Can continuously provide constant temperature and pressure,hot air purification;various types of imported burner
◆hot air output temperature adjustable range:40-350℃;
◆ The indirectly heated,self-control,run no smoke emissions in line with the requirements of environmental protection;
◆ reasonable design,compact structure,thermal efficiency up to 80%energy saving,significant economic benefits;
◆ The burner,combustion chamber,heat exchanger using imported original parts,extended service life;
◆RFY (Q)series of auto-fuel (gas)indirectly heated air hot stove because of its compact design,precision production,high efficiency and low consumption,convenient clean,get users praise.Won 95 of the Ninth create Spark cup,Science and
Technology(first prize).
Schematic of stracture

Features of technology
Model-burning oil kinds;RFY-light oili;RFZ-heavy oil;RFQ-flammable liquefied petroleum gas (LPG),natural gas;
◆Hot air temperature range:40-350:
◆ Thermal efficiency:≥80%;
◆Exhaust gas temperature:≤200
Technical parameters
| type | For heat 104(kj/h) | Output air amount (kg/h) | Amount of hot air (Nm/h) | Oil consumption |
| RYL-10 | 42 | 13 | 990-8680 | 250×250 |
| RYL-20 | 84 | 25 | 1980-17360 | 250×350 |
| RYL-40 | 167 | 50 | 3970-11580 | 300×400 |
| RYL-60 | 251 | 75 | 5950-17360 | 500×500 |
| RYL-100 | 419 | 125 | 9920-28940 | 650×650 |
| RYL-200 | 837 | 250 | 19840-57880 | 800×1000 |
| RYL-360 | 1507 | 450 | 35710-99860 | 1200×1200 |