Divorcing my spouse

Hi, I am working in UK on onsite projects.My Spouse and kid are living with me here.My Spouse is not working currently.Me and my spouse did not have smooth relationship in the past as he have habit of drinking and abuse me often, and he always talks bad about me linking my friends and colleagues.He earned less than me but he spent my money lavishing.He tortured me all times when he was drunk and abuse me with bad words.Because of his rude behaviour, i left my kid in my parents home,and he was studying there with my parents till his age of 5.I even tried to file a case against him but he pleaded so much so I stopped filing any case on him and we lived seperately for alomst 6 months.Then I travelled to UK and i was alone for 1.5 years.Because of his wish, to travel aboard, he acted so humble.so i bought him and kid to UK.I bought him thinking that he ll take care of my kid.But after coming here, he started torturing me with bad words and started doubting me with my colleagues.If i raise my voice against him,he imeediately threatens showing my kid.He keeps telling me to commit suicide and keeps threatening me that he will murder one day.This happened many times, And i started recording all our arguments, all his threatenings.meanwhile, he is also doing some fraud activites.he is planning to collect money from his friends telling them that he can find jobs and arrange uk visa here. If i show all evidence of audio recordings and photos that he is drinking, can i get divorce from him?and i dont want himt o visit of child after getting divorce.How can i do this. please help.