This machine is applied in the bran, broomcorn or soybeans steaming process which is widely used in brewing and bioengineering. It can sterilize and gelatinize the wheat and realize moderate modification of protein which are the necessary conditions before the koji making. The pot has functions of convenient and labor saving. It can also make sure that the cooked material will not contaminated by other microorganisms during the cooling process.

	WHZ-3	WHZ-5	WHZ-8
Volume ( m3 )	3.2	5.83	8
Operation pressure ( mpa )	≤0.2	≤0.2	≤0.3
Design pressure ( mpa )	0.22	0.22	0.35
Rotary speed ( rpm )	1.2	0.72	0.7
Motor power ( kw )	1.5	2.2	2.2
Inner diameter ( mm )	1750	2100	2300
Tactical diameter ( mm )	2210	2780	3180
Radial direction’s beating error of hollow shaft ( mm )	0.12	0.12	0.12
Material in and outlet valve ( DN )	350	400	400
Steam(water) entrance diameter ( DN )	25	40	40
Steam(water) exit diameter ( DN )	100	125	125
Weight ( kg )	2600	3400	3800
Overall dimension ( m )	4.4×1.75×4.1	4.8×2.1×4.46	5×2.3×4.7