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1. furnace used for heating, damp removing of pharmaceutical industry, chemical industry, etc., 2. two type, direct and indirect - details see: https://www.machineto.com/gas-hot-air-furnace-10300107

furnace Principle of work
The fuel is burnt at firebox and the high temperature is produced. The quantity of heat will conduct to air to be heated through heat exchange device. Through heat exchange, the temperature of air is dropped to less than 250~C and the air will be discharged through fan. The air to be heated is sent to hot air furnace through distribution blow fan. After absorbed heat to the rated value, the air will be sent from the vent of hot air. When the temperature of hot air reaches the rated upper limit, the burner can stop or turn to small fire automatically. When the temperature of hot air drops to the rated Iow limit, the burner can burn or turn to big fire automatically.

Application
It is wide used for heating, damp removing of pharmaceutical industry, chemical industry, foodstuff, textile, printing and dyeing, food, grain processing, automobile and so on.

Technical parameters

model	combustion device type	oil combustion	heat supply capacity	overall dimension	hot air hole L×W	total weight
JRFY1	MIN OR1	1.3-1.6	1	1000×1000×1000	Φ200	150
JRFY4	MIN OR4	5-6.5	4	1700×1000×1600	140×160	1100
JRFY10	MAI OR 12AB	13-16	10	2100×1300×1600	180×200	1970
JRFY20	MAI OR 25AB	26-32	20	2800×1400×1700	200×250	2260
JRFY30	MAI OR 35AB	39-48	30	3400×1500×1800	250×300	3160
JRFY40	MAI OR 45AB	52-64	40	4020×1700×1900	300×400	4750
JRFY60	MAI OR 60AB	78-96	60	4800×1900×2100	400×500	5650
JRFY100	MAI OR 120AB	130-160	100	5400×2100×2300	550×650	6550
JRFY200	MAI OR 300AB	260-320	200	6000×2500×2400	750×900	7980
JRFY360	MAI OR 400AB	468-720	360	7200×2900×2600	900×1200	9860