How to Deal with Frozen Product Inside Road Tankers

That's a tough one.

One thing I can think of that may help.......Can you talk to the delivery company and see if they would be willing to paint one of their tankers flat black. This would absorb any sunlight and warm up the tank. Make sure it's flat black......shiny black will reflect some of the available sunlight.

It certainly wouldn't hurt anything and if it works, it would be relatively cheap and easy to do.

Black paint is not a bad idea, except it might have to be removed in the summertime. Some black or dark brown tarps could be wrapped around the tank that would absorb sunlight in the daytime and provide some insulation at night, and could be removed easily if necessary. A few layers of tarps would greatly reduce the heat loss, keeping the liquid above the freezing point for a longer time.

A lot depends on how cold it is and how long the tanker is exposed to the cold.

Would it help to warm the liquid before it is pumped into the tanker? Can electric blankets be wrapped around the exterior of the tank?

Transporting of chocolate in Australia is done using heated tankers that keep the material in liquid form.

I would suggest that it would be far easier to maintain the liquid condition of your product than to try to melt it upon arrival. (Maybe by using the waste heat from the engine.)

Most tankers are double wall construction for safety reasons and so provide a significant insulation outcome.

I would invest in steam cleaners. You can clean off the salt and mud at the same time. Steam involves no flame or electricity, so it would be a safe heat for flammable loads.

For more than a decade, Arctic Fox has produced stainless steel heat exchangers for diesel fuel and fluids. Both in-line and in-tank heaters utilize engine coolant in efficient heat exchangers to prevent fuel gelling. Hydraulic fluid warmers use the same principle to promote smooth operation. Other applications include: heat exchangers for various liquid to liquid and liquid to gas including reservoirs for grease oil, water and other liquids. Further applications include paints, asphalt oil, waste products and perishable products for flow ability in the coldest weather. http://www.arctic-fox.com/sitepages/pid13.php

Do any farm supply stores have tank heaters? I don't know how they would hold up with a benzene or styrene monomer, but they are low heat (typically 40 degrees F) and designed for animal water tanks. Add these with the previously mentioned black tarps and you should have the problem solved.

can somebody know how other companies deal with this problem

I drove for Stevens Transport out of Dallas, Texas for 3 years after I retired from Texas A&M. Stevens carries primarily refrigerated freight. Some of my winter loads were chemicals in 55-gallon drums on pallets that required setting the reefer temperature at 40 F to keep the contents from freezing. Does a good job going through Rawlins, WY at -20 F with a NW wind at 20 mph. Especially when your hours-of-service require an 8-hour break at the truck stop there.