Indirect Contact Dryer

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The indirect contact dryer is suitable for drying or cooling pastes, particles and powders in a slurry state. The special stirring blade features high heat transferring efficiency, providing a self-cleaning function.

Hollow chock shaped blades are fitted on the hollow shaft where the heat media flows through the blade. The temperature range of the blade dryer is -40 ℃ to 320 ℃.

Applications
The large heating area in the drying unit dries the material very fast and it is suitable for a wide variety of different industrial applications.

Technical Paramenters

Specification	QJ3	QJ9	QJ13	QJ18	QJ29	QJ41	QJ52	QJ68	QJ81	QJ95	QJ110
heat transferring area m²	3	9	13	18	29	41	52	68	81	95	110
effective volume m³	0.06	0.32	0.59	1.09	1.85	2.8	3.96	5.21	6.43	8.07	9.46
range of rotating speed r.m.p	15-30	10-25	10-25	10-20	10-20	10-20	10-20	10-20	5-15	5-15	5-10
power kw	2.2	4	5.5	7.5	11	15	30	45	55	75	95
width of vessel mm	306	584	762	940	1118	1296	1474	1652	1828	2032	2210
total width mm	736	841	1066	1320	1474	1676	1854	2134	1186	2438	2668
length of vessel mm	1956	2820	3048	3328	4114	4724	5258	5842	6020	6124	6122
total length mm	2972	4876	5486	5918	6808	7570	8306	9296	9678	9704	9880
distance of material inlet & outlet mm	1752	2540	2768	3048	3810	4420	4954	5384	5562	5664	5664
height of center mm	380	380	534	610	762	915	1066	1220	1220	1220	1220
total height mm	762	838	1092	1270	1524	1778	2032	2362	2464	2566	2668
steam inlet "n" ( inch)	3/4	3/4	1	1	1	1	11/2	11/2	11/2	11/2	2
water outlet "o" (inch)	3/4	3/4	1	1	1	1	11/2	11/2	11/2	11/2	2

Schematic of Structure

Features
1. The heat consumption of blade is low: It consumes 1.2 kg of steam to evaporate 1kg of water to dry slurry materials.
2. The cost of the blade dryer is low: Efficiency is high and processing time is shortened.
3. The wide range of materials can be processed: Heat sensitive material and the materials to be processed under high temperature might be processed by applying different heating sources.
4. Low pollution: solvents can be easily collected and recirculated, especially when operating in a closed system.
5. Steady operation: The material particles fully contact the heat transferring surface for uniform drying.

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