Question 1

What is the storage capacity of this DSS Lo-Pro 200 BBL Portable Cement Silo?

Accepted Answer

The DSS Lo-Pro 200 BBL Portable Cement Silo has a capacity of 800 cubic feet (200 barrels). This provides sufficient storage for cement, fly ash, sand, guar, and other dry powders typically used in concrete batching operations.

Question 2

What are the physical dimensions and weight limits for transport?

Accepted Answer

The DSS Lo-Pro 200 BBL Portable Cement Silo measures 8'6" wide x 13'6" tall x 26' overall length. This low-profile design allows it to travel under most bridges and overpasses without special permits. The unit is mounted on dual 7K Torflex axles with 16" 8-lug wheels, giving it a 14,000 lb axle capacity. The compact width and travel height make it ideal for navigating job sites and highways.

Question 3

What power requirements does this DSS Lo-Pro 200 BBL Portable Cement Silo need?

Accepted Answer

This unit requires 480V 3-phase electrical power with a 50-amp service. The main components include a 10HP motor for the discharge screw and a 10HP motor with gear reduction for material transfer. All electrical components are pre-wired to an Allen Bradley starter panel, simplifying on-site setup.

Question 4

How does the weighing system work?

Accepted Answer

The DSS Lo-Pro 200 BBL Portable Cement Silo features a scaled hopper equipped with a Rinstrum 423 controller programmed for loss-in-weight batching. This system continuously monitors material weight and can automatically discharge precise amounts. The controller supports batching programs, allowing you to set target weights and automate material dispensing for consistent concrete mixes.

Question 5

What is the discharge rate and how is material flow controlled?

Accepted Answer

Material discharge is handled by a 10" x 17' auger screw with a 10HP 3-phase motor, gear reduction, chain drive, and lube block seal. Discharge rate depends on material type and consistency, but the system includes a WAM low-profile manual slide gate for flow control. The 12 OLI VBI air fluidizers with individual control valves ensure consistent material flow by preventing bridging or rat-holing.

Question 6

How does the fluidization system prevent material blockages?

Accepted Answer

The silo includes 12 OLI VBI (Vibrating Bin) fluidizers strategically positioned in the cone section. These devices combine pressurized air (typically 2-6 bar) with slight wall vibration to keep powder flowing freely. Air is directed along the hopper walls to prevent material buildup, bridging, and compaction. Each fluidizer has its own control valve, allowing you to adjust aeration for different materials.

Question 7

What materials can this silo store?

Accepted Answer

The DSS Lo-Pro 200 is designed for dry bulk powders including cement (Portland, Type I, II, III), fly ash, sand, guar gum, chemical powders, lime, and similar free-flowing or semi-free-flowing materials. It is not suitable for wet materials, slurries, or aggregates larger than powder consistency.

Question 8

How is dust controlled during filling and operation?

Accepted Answer

The DSS Lo-Pro 200 BBL Portable Cement Silo features an AirMax 150 static dust collector with an electric vibrator. This 150 square foot filtration system prevents dust emissions during pneumatic filling operations. The system includes a WAM VCP overpressure relief valve to safely vent excess pressure during rapid filling, protecting both the silo structure and surrounding environment from dust clouds.

Question 9

Can the DSS Lo-Pro 200 BBL Portable Cement Silo be filled by both pneumatic and mechanical means?

Accepted Answer

Yes. While designed primarily for pneumatic filling from bulk cement trucks, the top-mounted fill connection accepts standard 4" couplers. The dust collector handles the displaced air during pneumatic filling. The silo can also be filled mechanically via bucket loader or conveyor, though pneumatic filling is most common for cement operations.

Question 10

What safety features come standard with the DSS Lo-Pro 200 BBL Portable Cement Silo?

Accepted Answer

Safety features include: a high-level indicator with both horn and light alerts to prevent overfilling, a WAM VCP overpressure relief valve to prevent structural damage during filling, an OLI MV 690 cone vibrator (480V) with timer interlock to the discharge auger, electric brakes and running lights on the trailer for safe transport, and a pintle hitch for secure towing.

Question 11

How does the high-level indicator work?

Accepted Answer

The high-level sensor triggers both an audible horn and visual light when material reaches approximately 90-95% capacity. This prevents overfilling damage and material spillage. The alarm alerts the bulk delivery driver to stop pumping before the silo reaches maximum capacity, which is critical for maintaining safe operating conditions.

Question 12

What regular maintenance does this silo require?

Accepted Answer

Regular maintenance includes: inspecting and lubricating the discharge screw's lube block seal every 40-80 operating hours, checking the chain drive tension monthly, testing fluidizer operation and clearing any blocked air lines, cleaning or replacing dust collector filter media when pressure differential increases, inspecting tire pressure and electric brake function before transport, and verifying the accuracy of the weighing system calibration quarterly.

Question 13

Are replacement parts for the DSS Lo-Pro 200 BBL Portable Cement Silo easily available?

Accepted Answer

Yes. This DSS Lo-Pro 200 BBL Portable Cement Silo uses industry-standard components from established manufacturers: OLI vibrators and fluidizers, WAM slide gates and relief valves, Rinstrum weighing controllers, Allen Bradley electrical components, and Torflex axles with standard wheel bearings. Most parts can be sourced through industrial equipment distributors or directly from DSS.

Question 14

How difficult is on-site setup for the DSS Lo-Pro 200 BBL Portable Cement Silo?

Accepted Answer

Setup is straightforward because the DSS Lo-Pro 200 BBL Portable Cement Silo arrives fully assembled. You need to: provide a level concrete pad or compacted gravel base, connect the 480V 3-phase power supply to the pre-wired panel, connect compressed air lines (typically 2-6 bar) to the fluidization manifold, calibrate the scale system if it was disturbed during transport, and test all systems before loading material. Most setups can be completed in 2-4 hours with two people.

Question 15

Is the DSS Lo-Pro 200 BBL Portable Cement Silo suitable for permanent installation or mobile use?

Accepted Answer

This silo excels in both applications. The trailer configuration with pintle hitch, electric brakes, and road-worthy lights makes it ideal for contractors who move between job sites. The compact footprint and quick setup time minimize downtime when relocating. For permanent installations, the trailer can remain in place or the silo can be removed from the trailer and mounted on a fixed foundation. The 2016 model year indicates approximately 8-9 years of service, and with proper maintenance, these units typically operate reliably for 15-20 years or more.

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