Material column spools are one of the most integral parts of any extraction system and commonly found between the transfer vessel (solvent tanks) and the extraction tank or collection plate. Inside a spool the raw trim (plant matter) is packed down and a chilled solved, such as butane/hexane/propane/etc... is pushed through. Keeping the plant matter chilled within a range of -20°C to -50°C can produce a higher extraction rate. Tri-Clamp screen gaskets placed at both ends of the spool retain the plant material inside the spool where the solvent now infused with extract can be collected.

 

Jacketed vs Sleeved Column Spools

Often the column spools are jacketed or sleeved to help maintain sub-zero temperatures. The jacketed spools can be filled with chilled alcohol, liquid nitrogen (LN2), or any counter flow liquid to drastically reduce the temperature of the matter inside the spool itself. Jacketed spools come with two 1/2 inch FNPTs for input and output. Similarly, sleeved material spools aid temperature regulation, but the chilling medium is more static. Dry ice also becomes an option in a sleeved system.

 

We manufacture the following sizes:

12-inch x 12-inch

12-inch x 24-inch

12-inch x 36-inch

12-inch x 48-inch