You can only submit 5 submission in every 24 hours period and cannot submit the same URL of site within a month again.
Example interface of submit express:
Click here to submit your website to submit express.
Other than that, you also advised to post your blog URL in some socialize websites like Facebook, twitter, in other blog (in comment area), e-mail to your friends, or share it.
You also advised to submit your blog on Google. Here the link below:
http://www.google.com/webmasters/tools
Submit your blog on traffic exchange sites. Place your bookmark link in your blog.
Bookmark help someone to keep in touch with your blog if really helpful and have some good stuff in. It is another good method to get visitors.
