Galvanized Steel Hopper Bottom Rice Paddy Grain Silo
A hopper bottom silo empties itself.
What This Machine Does
A hopper bottom silo empties itself. The cone discharges the full contents by gravity, which suits paddy and rice stored in batches that change through the year and plants that want to load a truck or a conveyor directly underneath the silo.
Key Benefits
- Complete gravity discharge with no residue and no sweeper auger to maintain
- Clearance underneath for truck loading or for feeding the mill directly
- Same bolted corrugated shell and galvanizing as the flat bottom range
- Batch separation without cross contamination between varieties
- Assembled hopper bottom construction shipped flat and bolted on site
Problems It Solves
- Residue left in a flat bottom bin contaminates the next batch
- Manual cleanout means sending people into a confined space
- Low discharge height forces an extra conveyor into the layout
- Batch tracking breaks down when storage cannot be emptied completely
Who It Is For
- Rice mills storing paddy by variety
- Seed processors keeping lots separate
- Plants feeding a process line by gravity
- Traders loading out into trucks on demand
Application Scenarios
- Paddy storage feeding a rice mill through the year
- Batch storage where varieties must be kept separate
- Outloading directly into trucks from under the silo
- Sites where manual cleanout of a flat bottom bin is not acceptable
Technical Features
- Hot dip galvanized corrugated sheets pressed to wavy shape with standard connecting holes
- High strength bolt connection through the shell rings and into the hopper structure
- Cone angle and support structure designed to the foundation drawing
- Access ladders with roll formed sides and stamped rungs to eliminate rung spin
- Sealed roof to sidewall connection keeping stored products away from moisture
Galvanized Steel Hopper Bottom Rice Paddy Grain Silo Model Table
Figures below are taken from the TITAN model sheets. Where a figure depends on the crop or the contamination level it is stated that way rather than averaged.
| Item | Specification |
|---|---|
| Construction | Bolted corrugated hot dip galvanized sheets with vertical stiffeners |
| Zinc coating | 275 g/m2, 300 g/m2 and 350 g/m2 plate, shell coating equivalent to 600 g/m2 |
| Steel grade | Structural galvanized steel S350GD |
| Diameter range | 2 m to 32 m, larger on request |
| Height to diameter ratio | Between 1:1.1 and 1:2 |
| Capacity per silo | 10 t to 15000 t |
| Battery capacity | 1500 t to 20000 t for flat bottom groups |
| Fittings | Repair door, outside ladder with guard rings, access door, sweeper |
How This Machine Is Built
Quality Control
- Zinc coating weight specified on the plate, not left as a general galvanized claim
- Connecting holes sealed with age resistant and waterproof daub belts of aviation grade
- High strength bolts used with round galvanized steel washers at every joint
- Roof to sidewall connection sealed to keep stored product away from moisture
- Erection supervised through the bolting sequence by TITAN engineers
Materials And Wear Parts
- Hot dip galvanized steel plate
- Structural galvanized steel S350GD
- High strength bolts with galvanized washers
- Waterproof daub belt at connecting holes
Customisation Options
- Cone angle and leg height set from the discharge method
- Heat retaining layer for insulated storage
- Moisture and heat monitoring and control
- Outlet arrangement for truck loading or conveyor feed
- Battery layouts with shared catwalks and conveying
Use Guide
- Confirm the required discharge height before fixing the support structure
- Check the foundation bolt pattern against the leg layout drawing
- Bolt the shell rings in sequence and seal each hole
- Keep the outlet gate fully open during discharge to avoid bridging
- Inspect the cone and the leg connections before each season
How It Compares With The Alternatives
| Flat bottom silo | Empties completely by gravity, at the cost of capacity per square metre of plot. |
|---|---|
| Welded tank | Ships flat packed and bolts together on site instead of arriving as one piece. |
| Warehouse bays | Sealed steel storage with mechanical discharge instead of a loader and a crew. |
Galvanized Steel Hopper Bottom Rice Paddy Grain Silo Questions
Does it need a sweeper auger?
No. The cone discharges the silo completely by gravity, which is the main reason to choose this type.
Which is better for paddy, hopper or flat bottom?
Hopper bottom for batch separation and complete discharge, flat bottom for maximum tonnage. Many rice mills use both, flat bottom for bulk and hopper bottom for working stock.
How high can the silo stand?
Leg height follows the discharge requirement. Tell us whether you load trucks or feed a conveyor and the support structure is designed to it.
What coating is used?
Hot dip galvanized plate from 275 g/m2 to 600 g/m2 of zinc depending on the component, with structural galvanized steel S350GD in the shell.
Can the silo store other crops?
Yes. The same construction stores wheat, maize, barley and other grains and granules.
Is erection included?
TITAN supervises the mechanical and electrical installation and commissions the equipment with site or remote training.
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