The utility model provides a production of super absorbent polymer resin is with energy -conserving constant temperature response device, is including batching cauldron, reaction vessel and temperature regulation and control mechanism, and temperature regulation and control mechanism includes solar collector, holding water box, tank, thermostat and circulating pump, reaction vessel is the box structure, interior inlet tube, is in charge of and the branch pipe. The utility model discloses regard as the heat source with solar energy, convert light energy into heat energy through solar collector, heat transfer medium to in the holding water box heats, a synthetic raw materials for dissolving and preheat super absorbent resin, promote the energy saving and emission reduction of the synthetic production of super absorbent resin, very high application significance has, high -efficient heat transfer reaction vessel has the parallel finned tube of multiunit, reaction heat exchange area has been increased, improve heat transfer rate, branch pipe and reaction liquid middle part distance are more close, the improvement is to the heating rate of reactant, in time take away the chemistry heat of polymerization release, prevent the danger of reaction heat accumulation with the implode of elimination reaction system, improve the homogeneity of reaction system temperature.