Spray Dry Granulator

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The spray drying granulator integrates spraying, drying, and fluid granulating into a comprehensive machine to realize granulation from liquid all in one step.

Applications

Pharmaceutical industry: tablet, capsule granule, granules of Chinese medicine with low sugar or without sugar.
Foodstuff: cocoa, coffee, milk powder, flavorings and so on.
Other industries: pesticides, feed, chemical fertilizer, pigment, dyestuff and so on.

Other Detailed Images

Parameters

Item		unit Specification	PGL-3B	PGL-5B	PGL-10B	PGL-20B	PGL-30B	PGL-80B	PGL-120B
liquid extract	min	kg/h	2	4	5	10	20	40	55
liquid extract	max	kg/h	4	6	15	30	40	80	120
fluidization capacity	min	kg	2	6	10	30	60	100	150
fluidization capacity	max	kg	6	15	30	80	160	250	450
specific gravity of the liquid		kg/L	≤1.30
volume of material vessel		L	26	50	220	420	620	980	1600
diameter if vessel		mm	400	550	770	1000	1200	1400	1600
power of suction fan		kw	4.0	5.5	7.5	15	22	30	45
power of auxiliary fan		kw	0.35	0.75	0.75	1.20	2.20	2.20	4
steam	consumption	kg/h	40	70	99	210	300	366	465
steam	pressure	Mpa	0.1-0.4
power of electric heater		kw	9	15	21	25.5	51.5	60	75
compressed air	consumption	m 3 /min	0.9	0.9	0.9	0.9	1.1	1.3	1.8
compressed air	pressure	Mpa	0.1-0.4
operating temperature		°C	automatically regulated from indoor temperature to 130°C
water content of product		%	≤0.5% (depends on the material)
rate of product collection		%	≥99%
noise level of machine		dB	≤75
weight		kg	500	800	1200	1500	2000	2500	3000
dim. of main machine	Φ	mm	400	550	770	1000	1200	1400	1600
	H 1	mm	940	1050	1070	1180	1620	1620	1690
	H 2	mm	2100	2400	2680	3150	3630	4120	4740
	H 3	mm	2450	2750	3020	3700	4100	4770	5150
	B	mm	740	890	1110	1420	1600	1820	2100

Example of model choice

Suppose that are 120kg liquid extract I (include 30% solid) and 60kg seed II in one vessel, from I and II, we can get theoretical product amount M=mI mII=120kg×30% 60kg=96kg, working time T=120kg/30kg/h=4h, from the parameter table we can find that the fluidization amount is inside the standard loading range. If we require two batches in one duty time, model PGL-30B is OK.

Features

This equipment is especially suitable for micro auxiliary raw materials and heat sensitive raw materials. The efficiency of the spray drying granulator is 1-2 times that of FL boiling granulating machines. It can reduce the final moisture of some products to around 0.1%.
The rate of granule forming is more than 85% with 0.2-2mm diameters.
The improved inner roller multi-flow atomizer can handle liquid extracts with 1.3g/cm3 of gravity.

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