The Tsukishima steam tube dryer offers the following features:

1. Mass processing

The number of heating tubes is large and the heat transfer area per unit volume is the largest of all the rotaly dryers presently available.

2. Easy operation

Large changes in processing quantity can be fully abosorbed, featuring ample retention time and simple adjustments. Only temperature of heat source needs to be controlled for drying operation.

3. Energy-saving

Thermal efficiency is extremely high especially for processing a large quantity of material at low temperature. Mechanistically, the driving power is smaller and also running costs are lower.

4. Low leakage

The special gas-sealing machanism seals the dryer to prevent both inert gas from leaking and air from flowing into the dryer. Therefore, solvent is recovered easily and inert gas emissions are lower.

5. Low pollution

Indirect heating minimizes inert gas emissions. Inert gas treatment system and deodorization system can be made compact.

The steam tube dryer have two different types, i.e., Type PD and Type CD, of which the most suitable dryer can be chosen according to the substance to be applied.

Raw Material Flow

Raw material fed by the screw conveyor is dried by mixing in the rotating dryer, and is transported down along the inclined dryer, then discharged from the discharge chutes placed around the circumferential shell.

Steam Flow

Steam is supplied from a steam neck and distributed through the manifold to the heating tubes. Besides, considensed drain moves through the scope of the dryer into the manifold, then is discharged from the steam neck.

Inert Gas Flow

In the case of the counter-flow type, inert gas containing vapor flows concurrrently with raw materials and is discharged at the feed inlet of raw materials.
In the case of the parallel flow type, vapor is discharged at the product outlet.
In the case of the CD type, inert gas can be circulated as carrier gas, therefore solvent can be recovered easily.

Many types of resins, including polyethylene, terephthalic acid, polyacetal, polycarbonate, etc.
Foods and environmental wastes, such as gluten meal, corn fiber, corn germ, beer spent grains, sludge, lime, incineration ash, crushed beans, bean cake, etc.
Also see the table of treated materials.

Diameter × length	Heat transfer area	Rotating Speed	Power
965×7500	37.5	6	3.7
965×10500	53	6	3.7
1370×7500	74	5	5.5
1370×9000	89	5	7.5
1370×13500	133	5	7.5
1830×12000	194	4	11
1830×15000	242	4	11
1830×18000	291	4	15
2130×12000	312	3.5	15
2130×15000	390	3.5	18.5
2130×18000	468	3.5	22
2440×15000	484	3	22
2440×18000	581	3	30
2440×25000	807	3	45
3050×18000	921	2.5	45
3050×25000	1280	2.5	55
3050×30000	1536	2.5	75
3400×16500	721	3.1	132
3400×25400	1434	3.1	150
3600×26500	1590	3	250
4300×35500	3600	-	500

Tsukishima Kikai adopts computerized strength analysis in the design of steam tube dryer.

The aim of the single-tire type is low pricing by keeping the most out of the functions of a stream tube dryer.

Supersized dryers are assembled on the construction sites.