Malt fermenting tank for beer production

The invention discloses a malt fermenting tank for beer production, comprising a tank block that is formed by assembling a tank body and a tank cover; a separating filter mesh dividing the inside of the tank body into an upper cavity and a bottom cavity is arranged at the inner lower end of the tank body, a pulp incoming pipe communicated with the bottom cavity is connected to the lateral end of the bottom of the tank body, a pulp outgoing pipe is arranged on the lateral wall of the upper end of the tank body, the bottom end of the pulp outgoing pipe is extended into the inner lower end of the tank body above the separating filter mesh, a heat exchange pipe is coiled to the inner wall of the tank body, each of the upper end and lower end of the heat exchange pipe is connected with an extension pipe that is extended out of the tank body, the extension pipe above is connected with a heat-conducting outlet and a condensing inlet through a tee, the extension pipe below is connected with a heat-conducting inlet an