Horizontal Silo Powder Tank Semi-Trailer
The Horizontal Silo Powder Tank Semi-Trailer (also known as a horizontal or cigar-type dry bulk powder transport trailer) is an ultra-low profile, heavy-duty pneumatic discharge trailer engineered specifically for the stable road haulage and automated fluidization discharge of dry bulk materials—such as fly ash, cement, lime powder, mineral dust, and fine chemical powders—across rugged terrain, mining sites, and construction zones. Built with a low-slung, horizontal cylindrical tank geometry (torpedo/cigar profile), it achieves the lowest center of gravity (CG) of any bulk powder tanker, maximizing rollover prevention during high-speed highway transit and sharp off-road cornering. Fabricated from high-tensile carbon steel (Q345B/Q355B), the interior features full-length longitudinal fluidizing aeration beds powered by a heavy-duty diesel engine or PTO-driven screw air compressor (10–12 $m^3/min$ airflow at 0.2 MPa working pressure). This horizontal architecture delivers high-speed pneumatic discharge ($ge 1.2 - 1.5$ tons/min) with an exceptionally low residual rate ($le 0.2%$). Paired with 3 commercial axles, heavy-duty mechanical or air ride suspension, and dual-line WABCO ABS/EBS pneumatic braking, it delivers unmatched stability under severe operating conditions. Fully certified under ISO9001, CCC, CE, DOT, and SGS standards.
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Product Details
Technical Specifications
Model NO. : Customized
Type : Semi-Trailer / Horizontal Cylinder Dry Bulk Powder Tanker
Tank Volume / Capacity : 30 $m^3$ to 50 $m^3$ (Approx. 30T - 55T Dry Powder Payload)
Working Air Pressure : 0.2 MPa (2 bar)
Test Pressure : 0.3 MPa (3 bar)
Discharge Speed : $\ge 1.2 - 1.5$ Tons / Minute
Residual Rate : $\le 0.2\%$ (Near-Zero Material Holdback)
Vertical Discharge Height : $\ge 25$ Meters
Condition : New
Grade : Heavy Duty / Low-CG Off-Road & Highway Dry Bulk Transport Grade
Shape : Horizontal Cylindrical / Cigar-Shape Body
Origin : Shandong, China
Production Capacity : Customized
Certifications : ISO9001 / CCC / CE / DOT / SGS
HS Code : 8716399000
Overall Dimensions : 10500-13000 x 2500 x 3400-3700 mm (Low Profile)
Tank Body Material : High-Strength Carbon Steel Q345B / Q355B (5mm - 6mm Shell, 6mm Dished Heads)
Fluidized Bed System : Long-Span Longitudinal Vulcanized Permeable Canvas / Air Slides with Steel Support Grids
Air Compressor : 10 $m^3/min$ or 12 $m^3/min$ Dual-Cylinder Air Compressor / Rotary Screw Compressor
Auxiliary Power Unit (APU) : 4102 / 4105 Diesel Engine (e.g., Weichai / Huafeng) or Tractor PTO Connection
Kingpin : JOST 2-inch or 3.5-inch Heavy-Duty Bolted/Welded Kingpin
Landing Gear : JOST / FUWA Two-Speed Manual Landing Gear (28T Capacity)
Wheel Base : 6500mm + 1310mm + 1310mm
Tread : 1820 mm / 2050 mm
Axle Number : 3 Axles
Axle Brand : FUWA / BPW / HuaJin Heavy Duty
Axle Capacity : 13T / 16T per axle
Tire Number : 12
Tire Specification : 12R22.5 / 385/65R22.5 Tubeless Heavy-Duty Tires
Tire Brand : Triangle / Double Coin / Michelin / Bridgestone
Rim : 9.00-22.5 / 11.75-22.5 Steel Disc Rims
Suspension : Heavy Duty Mechanical Multi-Leaf Spring / Heavy Bogie / Air Ride Suspension
Leaf Spring : 10pcs / 12pcs Reinforced (90x16mm / 100x16mm)
Brake System : Dual-Line Pneumatic Air Braking System with ABS / EBS
ABS/EBS Brand : WABCO / Haldex
Self-dumping : Not Self-dumping (Pneumatic Air Discharge)
Main Chassis / Frame : Frameless Integral Load-Bearing Tank Shell or Heavy-Duty Low-Profile Sub-Frame
Manhole Cover : Top-Mounted Lightweight Cast Aluminum Pressure Manholes (2 Sets) with Safety Clamps
Discharge Valves : 4-Inch Seamless Steel Discharge Manifold with Cast Steel Butterfly Valves & Quick Couplings
Safety Equipment : Tank Pressure Relief Valve (Safety Valve), Pressure Gauge, Air Check Valves, Non-Return Valves
Top Walkway : Anti-Slip Steel Mesh Catwalk with Safety Handrails
Spare Tire Carrier : 1-2pcs
Tool Box : 1pcs Heavy-Duty Lockable Steel Box
Electric System : 24V, 7 Pin Socket, LED Marker & Tail Lights
Wiring Harness : Armored Weatherproof Lines
Painting / Finish : Shot Blasting (Sa 2.5) + Epoxy Anti-Corrosion Primer + Polyurethane Topcoat
Colour : Custom RAL Code / Reflective Hazard Striping & Branding
Warranty : Tank Shell Structure 3Y / Axles, Compressor & Engine 1Y
Package : Nude Packing / Bulk Vessel / Ro-Ro
Delivery Time : 30-35 Working Days
Payment Terms : T/T, L/C
Key Structural & Performance Features
1. Ultra-Low Center of Gravity (CG) & Off-Road Stability
- Horizontal Cigar Profile: The horizontal cylindrical layout places the bulk powder mass uniformly along the lowest possible elevation between the trailer wheels, minimizing vehicle height and establishing an ultra-low center of gravity.
- Severe Terrain Adaptability: The low-profile geometry prevents body sway and significantly reduces rollover propensity when navigating unpaved construction access roads, mining tracks, and winding rural routes.
- High-Fatigue Shell Integrity: Fabricated from heavy-gauge Q345B carbon steel with automated submerged-arc welding, providing exceptional structural rigidity under continuous torsional flexing on rough ground.
2. Full-Length Longitudinal Fluidization & Rapid Discharge
- Extended Air Slides: Features continuous longitudinal fluidizing aeration beds running the entire bottom length of the horizontal cylinder, ensuring complete and uniform powder fluidization without dead zones.
- High-Volume Air Delivery: Powered by a robust onboard diesel engine and rotary screw compressor supplying 10–12 $m^3/min$ of dry compressed air at 0.2 MPa, driving rapid discharge into high silo receivers.
- Low Residual Efficiency: The combination of full-length aeration and sloping collection troughs minimizes material holdback to under $0.2\%$, ensuring clean compartment emptying after every haul.
3. Robust Frameless/Integrated Chassis & Braking Safety
- Load-Bearing Tank Design: Engineered as a frameless or heavily integrated sub-frame structure where the horizontal cylinder acts as the primary load-bearing spine, optimizing tare weight and increasing payload capacity.
- WABCO ABS/EBS Pneumatic Braking: Dual-line air braking system incorporating WABCO ABS/EBS and emergency relay valves, ensuring dependable, synchronized stopping power under full heavy loads.
- Overpressure Protection Systems: Fitted with calibrated safety relief valves that automatically vent excess air if internal operating pressure exceeds safe engineering thresholds, ensuring total operational safety.
Commercial & Logistics Terms
- Warranty Policy: 3-Year warranty for the main tank shell and structural framework; 1-Year warranty for axles, air compressor, diesel engine, and discharge valves.
- Delivery Lead Time: 30 – 35 working days upon order confirmation and engineering drawing approval.
- Packaging & Shipping: Nude packing; shipped via Bulk Cargo vessel or Ro-Ro vessel.
- Payment Terms: T/T (Telegraphic Transfer), L/C (Letter of Credit).
