I'm not clear on the specifics of how Binance handles transactions, but I'll do my best.

Typically an exchange will provide you with either an address to send to or a memo to attach to a transaction when sending money into the exchange, or when transferring out you should be able to use Binance's interface to send to the deposit address that our service generates.

This guide covers the basics of how to initiate a trade with our system, and may prove helpful to you:
https://steemit.com/blocktrades/@blocktrades-help/how-to-use-blocktrades-to-exchange-cryptocurrencies