79 Inches Heavy-Duty Stainless Steel Folding Clothes Drying Rack Clothing Indoor Outdoor Anti-Rust 20 Windproof Hooks Portable & Foldable Laundry Rack (79'')

It could be the smell is just from dirt and soils that were embedded into the blanket and were shaken loose by the first wash. Hopefully someone will know an easier way, but I'd soak it in water with a 1/2 cup of ammonia OR Oxiclean and detergent with lipase, rinse it twice then dry it outside if it's warm or inside over both sides of a rack like this one HERE and have a fan or blower blow on it to speed drying up. Think a big washer at the laundromat would work? Could wash it there and just bring it home to dry it.