The invention relates to a
coal gas wash
tower which comprises a
tower body, wherein the upper part of the
tower body is provided with a spray
pipe and a gas outlet
pipe, the lower part of the tower body is provided with a gas inlet
pipe and a water outlet pipe, the side wall at the middle part of a cavity of the tower body is provided with a baffle plate, the baffle plate divides the cavity of the tower body into an upper section and a lower section and is provided with a
coal gas channel which is internally provided with a
coal gas through hole, the upper end of the
coal gas channel above the
coal gas through hole is provided with a rising pipe, the side wall at the lower part of the upper section of the cavity of the tower body is provided with the water outlet pipe, the side wall at the upper part of the lower section of the cavity of the tower body is provided with the spray pipe, the lower section of the cavity of the tower body is internally provided with a
heat pipe soft water heater, the
heat pipe soft water heater comprises vacuum heat pipes and a heating pipe, the vacuum heat pipes are internally provided with liquid
heat transfer medium, and the oblique inserted vacuum heat pipes are distributed around the outer side wall of the heating pipe from top to bottom; the outer end of each vacuum
heat pipe is arranged in the cavity of the tower body, and the inner end of each vacuum heat pipe is inserted in the heating pipe; the upper part of the heating pipe is provided with a
soft water inlet and the lower part is provided with a soft water outlet pipe, and the soft water inlet pipe and the soft water outlet pipe respectively penetrate out of the side wall of the tower body.