Blockage clearing for rotary kilns and high heat applications

F57 – Rotary Kilns

Blockage Clearing for Rotary Kilns and High Heat Applications

Force Vector is a sister company to Deca Vibrator, providing complementary products and services to our bulk material handling solutions.

In cement and other manufacturing plants, the Cardox CO² System is the most efficient and cost effective method of clearing build-up and blockages in preheaters, cyclones, inlet chambers, riser ducts, feed pipes, rotary kilns, raw feed mills, precalciners, coolers and anywhere in the plant’s processing line.

Cardox can quickly remove blockages and buildups and restore plant production to optimum levels, with no need to sit through an extended shut down while the equipment cools. Cardox can be used in all areas of the processing lines at operating temperatures. Unlike air blasters where cement plants complain of ineffectiveness and report losses of efficiency of up to 75%, using Cardox the result is no loss in efficiency. 

Each time you use a Cardox Tube, you can expect maximum pressure to remove the build-up, and with tubes having a working life of over 15 years, maximum efficiency can be sustained for that long as well.

The Cardox F57 model is the recommended unit for rotary kiln applications.

Overall Dimensions

F57 – Rotary Kilns

Blockage clearing systems rotary kilns diagram
Nominal Diameter 51 mm
2.0078 in
Length 1,246 mm
45.0459 in
Weight 12.73 kg
28.0648 lb

Technical Data

F57 – Rotary Kilns

Additional Information

When energized by the application of low voltage electrical charge, the chemical heater instantly converts the liquid carbon dioxide to gas. The electrical charge applied to the chemical heater and the expansion of liquid carbon dioxide into a gas all occurs within the Cardox tube. Subsequently, there is “no chance of sparks or creation of combustible set of events” in the environment in which the Cardox tube is placed. The conversion expands the liquid CO2 volume and builds up pressure inside the tube until it causes the rupture disk at the end of the tube to burst. This releases the CO2 – now 600 times its original volume – through a special discharge nozzle to create a powerful heaving directable force, at up to 40,000psi (3,000 bar).

This all takes milliseconds.

Carbon Dioxide is an inert gas that is commonly used in fire extinguishers, so it is “safe” to use without fear of generating secondary reaction with gases/dust within the silo/bin or bunker. In addition, the quick release of the gas refrigerates the discharge, and brings it to a temperature low enough to avoid ignition of air-gas-dust mixtures within the blocked vessel.

Product Attributes


SD-300 , SD-350 , SD370 , SD-390

Specific Applications

Rotary Kiln, Preheaters, Cyclones, Feed pipes & Cooler

CO2 Charge (lbs)


Shear Disk #

800-010, 800-011, 800-012, 800-013

Ruputure Pressure Tons/In²

8 12 15 17.5

Ruputure Pressure kg/cm²

1236 1854 2320 2700

Bore Hole Drill Bit size (inches)


Heater (Chemical Energizer)


Product Industries

F57 – Rotary Kilns

Product Applications

F57 – Rotary Kilns