How do I send my electronuem wallet to block chain, how is there any safe wallet to send my electronuem too, and convert it to bitcoin or any other means
You can use the my.electroneum (or mobile wallet), or the more safe option of storing on cold storage via a paper wallet. (guides in this forum if you search)
In terms of converting to bitcoin…
You can use one of the many exchanges that trade ETN to convert into other cryptos.
Once you have have researched and chosen the exchange you wish to use, there are plenty of guides online on how to use the trading markets… google is your friend for this.