Burning in chest all day. On this.

I am facing this problem from couple of years now. Throughout day i keep feeling burning and hotness in my chest & stomach. I dont eat out much & have normal lifestyle. I dont smoke. Below are problems i face 1) i have to drink water first thing in morning as i feel burning as i get up 2) i have to drink water meanwhile finishing meal . i also feeel uneasyness sometimes meanwhile eating 3) i cannot stay on empty stomach. As soon as my stomach gets empty , i start feeling very heavy burning. I have to drink water to calm it. 4) everytime i feel burning , i have to drink water to calm it for a while. Bcs of this i have to keep drinking water every now & then. My water intake is around 7-9lts a day Please suggest a solution to this problem. I have started facing this more and more now. I need help and suggestion on this.