Molten Sulphur Trucks? Help A Teacher, Please

I have never heard of a saddleback truck but here is a link that i found which could be a little helpful. http://www.infratrans.gov.ab.ca/INFTRA_Content/docType272/Production/sulphur.pdf

 

As a Safety Director for a company that transports molten for 5 years I think I may be able to help. The biggest majority of the trailers used are built by 2 companies Talbert and trailking. Most of these trailers have hydraulic lifts to raise the cruce and then are tapped with a spout in the bottom to gravity feed into a trough. There are some aluminum facilties that have open top furnaces that allows for the cruce to lifted by a overhead crane and poured into the furnace. The cruces their selfs weigh less now than used to due to a recent change in the refractory. At 1600-1650 degress with new refractory you will have a average temp drop in the 20-30 degree range vs the old 50-75 degrees. THe ourside shesll of the pot can vary from 200 degrees up to 600 degrees. At 700- 750 degrees you are risking a burn out should thr temp keep rising. We shoot our pots with a thermal gun with strick rules that no driver leave is shooting above 600degrees. THe biggest risk in transporting molten are burn outs and an accident that results in the pot being submerged in water. The molten is not techinally a hazmat load although is listed as a class 9 misc die to its elevated tempature. THe white ID number that you see on the trailers are simply to idenitfy the cargo. While we have never had a incident with molten. I do intruct my drivers to find a clear area and allow the molten to pour out. They are to prevent any spreading of possible fires that might occur. After wards you clean the hardened alminum up and keep going. At 1325 degrees the molten starts to harden referred to freezing a pot. Here are 2 pictures one is the pot and the trailer used.

I know this thread is very old but thought it might be of intrest to someone

 

Yes it is an old thread, but it is interesting none the less. AND you have provided new information, rather than just rehashing the same old same old!

 

Perhaps the teacher should submit a picture of what they think is hauling sulphur. It appears that sulphur laden trailers / tanks all bear a wide yellow stripe or are completely yellow in color.

 

Good lesson on something in my 2. some million miles of driving I did not know.

 

I think he means a pneumatic tanker....

 

The name of the company that you are referring to is CTL. They are a division of Comcar. They are based in Mulberry, Florida. The trailers are tanks that have hoppers built around the tank. Very top heavy looking in appearance. There is a specific name for the trailer arrangement, I just can't think of it off-hand. Member Kdryan is a former employee of CTL. Not sure if their website has a photo of the trailer. I can tell you that is an ugly beast. CTL is training their personel at the Vo-tech school I'm attending. I could have an answer for you tomorrow.

 

Backhaul Doubles is the trailer name. If you google: (Ctl Hopper Trailer) select the first site and it gives a detailed description of the trailer. Haven't found a photo of one yet.