Grain Systems PNEG-707GSI - Manual (Page 19)

PNEG-707 12', 18', 24' and 30' GSI Commercial Tower Dryer 19
4. Orientation Wall Sheets and Vertical Channels
Dryer Structure Overview
The tower dryer is divided into three (3) sections: Heat section, cool section, and hopper. The following
major features are installed in these sections.
Heat section is about 70% of dryer. Grain is loaded into top of tower dryer (between tower roof and
plenum roof), and dried in heat section.
1. Grain turners, which turn grain so it drys uniformly, are located about midpoint.
2. Inside ladders and catwalk give access to slide gates (clean-out) for grain turners.
3. Burner, burner housing and reducer are installed with X-bracing.
4. There is 1 door to heat section. Larger dryers also have one (1) door to burner housing.
5. Reducer walkway gives access to burner.
6. Outside ladder with safety cage, platforms, and catwalks give access to heat section and
outside sensors.
7. Heat section is separated from cool section by divider hopper. Fine grain debris falls from heat
section, through divider hopper, for collection in cool section.
Cool section is about 30% of dryer. Grain is cooled in cool section.
1. Blowers are installed with X-bracing.
2. Windows provide free air. (Quantity varies according to the dryer model.)
3. There is 1 door to cool section.
4. Outside ladder with safety cage and platform give access to cool section.
5. Debris-tight cool section floor separates cool section from hopper.
6. There is at least 1 louvered door to hopper in cool section floor.
Hopper unloads grain from dryer.
1. Hopper is formed by outside and inside hopper wall sheets.
2. Metering drum, motor, and supports are installed in hopper.
3. Slide gates (discharge) provide emergency discharge of grain.
4. Compression angles form base of grain columns and support hopper.
Additional Features
Vertical channels support the dryer from foundation to roof. Vertical channels support rings of inside wall
sheets and outside wall sheets to form grain columns through which grain flows down dryer. Dryer legs
install with X-rods at base of vertical channels.