[Ethereum] how to get the payment with ethermine.org

miningpayments

I am using ethermine to mine the ethereum for the experiment, now I setting the payment threshold to 0.08, now it comes to the threshold, and in the payout page, I got a payout which says the block_from, the block_to, amount and tx. I clicked the tx 's hyperlink, it is redirected to http://etherchain.org page with the transaction id, from the page I could see the eth address is my mining id, how could I transfer this eth to my personal wallet, because right now I don't know the private key for the mining address