TZD Series D type hydrapulper has changed the thick liquid material streamline direction of the traditional pulp machine and make the thick liquid material always tend to the center direction. It improves the height of thick liquid location of the center position, increases the number of striking with the thick liquid material to the impeller at the same time and discongest 30% of ability after improving the thick liquid material. This equipment is ideal machine that liquid material. This equipment is the ideal machine that the papermaking industry used in the intermittence and succession to pulp the thick liquid board, decreased paper and wasted paper.