Pool wall internal water circulating heating pipe methane tank

The invention provides a pool tank internal water circulating heating pipe methane tank. The tank comprises a shell, a feeding inlet, a discharging outlet, a water inlet, a water outlet, a heat circulating pipe, a stirring shaft, a stirring motor and an exhaust port. The shell comprises a top cover, a bottom cover and a side wall. The top cover, the bottom cover and the side wall are sequentiallyfixedly connected from top to bottom; the feeding inlet, the stirring motor and the exhaust port are fixedly arranged on the top cover; the discharging outlet is fixedly formed in the bottom end of the bottom cover; the side wall comprises an outer wall and an inner wall, the water inlet is fixedly formed in the lower portion of the outer wall, and the water outlet is fixedly formed in the upper portion of the outer wall; a heat preservation layer is arranged between the outer wall and the inner wall, and a heat circulating pipe is wound inside the heat preservation layer; the two ends of theheat circulating pipe are