Circulating system for laser dye solution

The utility model discloses a circulating system for a laser dye solution. The system is composed of a motor, a speed-increasing transmission device, at least one set of magnetic force driven gear pump, a filter and a cooler, wherein the input end of the transmission device is connected with an output shaft of the motor; the output end of the transmission device is connected with a shaft of the magnetic force driven gear pump; and a power supply wiring terminal of the motor is connected with a frequency converter. The motor drives the magnetic force driven gear pump to rotate at high speed through the speed-increasing transmission device to ensure the needed flow output of the dye solution; the magnetic force driven gear pump is matched with the filter to use so as to further guarantee that the laser dye solution is sealed without leakage or pollution in a pumping process; the cooler enables a high-speed jet flow to form a good optical solution surface, so as to prevent a thermal lens effect of a dye jet flow