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SZG Double Tapered Rotary Vacuum Dryer

Description:

SZG Series Conical Vacuum Dryer is a new generation drying device developed by combining the processes of mixing and drying together. It has two connecting methods, belted or chained. Therefore it is stable in operation. The special design guarantees the two shafts keep good concentricity. Heat medium and vacuum system all adapt reliable rotating connector with the technology from USA.

Main Application:

Conical Vacuum Dryer is suitable for raw materials that need to be concentrated, mixed and dried at a low temperature (eg. biochemistry products in chemical, pharmaceutical and foodstuff industries).

1.  materials that are easily oxidized;

2.  materials that are easily volatilized;

3.  materials that are strongly heat-sensitive or toxic;

4.  materials that should not destroy its crystal in drying

 

Working Principle:

Heat source passes through the sealed jacket, and enters into the interlayer of the barrel, which heat the inner wall of the barrel. Raw material is heated and dried in the barrel by transmitting heat with the inner wall. The barrel rotates slowly and the raw material inside is mixed continuously, the purpose of reinforced drying is then realized. During the operation, material is at a vacuum state, the drop of steam pressure makes the moisture at the surface of raw material become saturation and evaporated, and the solvent drops will be taken away by vacuum pump. The inner moisture of raw material will also be infiltrated, evaporated and discharged continuously.

Flow Chart:

Technical Parameters:

Item		Specifications
Name	unit	100	200	350	500	750	1000	1500	2000	3000	4000	5000
Total volume	L	100	200	350	500	750	1000	1500	2000	3000	4000	5000
Working volume	L	50	100	175	250	375	500	750	1000	1500	2000	2500
Heating area	m 2	1.16	1.5	2	2.63	3.5	4.61	5.58	7.5	10.2	12.1	14.1
Speed	rpm	3-13
Power	kw	0.75	1.1	1.5	1.5	2	3	3	4	5.5	7.5	7.5
Rotating height	mm	1810	1910	2090	2195	2500	2665	2915	3055	3530	3800	4180
Total weight	kg	825	1050	1350	1650	1800	2070	2250	3000	4500	5350	6000
Design pressure inside the barrel	Mpa	-0.09~-0.096
Design pressure of jacket	Mpa	0.3