This can't work for two very simple reasons. One, the Steem protocol is irreversibly compromised. This makes it impossible to use, trust, validate, or interact with. Two, Blurt is a private project for blogging using an older technology and unsuitable. This proposal is similar to asking "Can we integrate a brand new Ford truck with a car we found at the scrap yard and a shopping cart?" It would look something like this:

Source: https://www.reddit.com/r/IdiotsTowingThings/comments/1ai2264/are_shopping_cart_trailer_a_thing/

This idea would only work if you use Hive + another real blockchain.