The utility model relates to a waste water recycling and treating device technical field is an automatic recovery processing device of steam -water system of thermal power plant low temperature sampleframe drainage, and it includes low temperature sample frame, collector pipe, water tank, outfall sewer and ion exchange column at least, and the export of the drain pipe of taking a sample and the export of instrument drain pipe all are linked together with the import of collector pipe. The utility model has the advantages of reasonable and compact structure, the volume of equipment is little, area is little, and the construction cost is few, and it is little to reform transform the degree of difficulty, can set up between thermal power plant's soda sample in, convenient operation, be applicable to production site, can realize rationally recycling of water to make things convenient for remote operation, thereby realize the automatic control recovery processing, improve the utility modeldiscloses a degree of automation has reduced the degree of dependence of device to personnel, alleviates operating personnel's work load, and the wet concentration in the water tank satisfies daily use for laboratory between the soda sample provides the ultrapure water after selecting the ultra -pure water system processing simultaneously, makes like this the utility model discloses the usage is more extensive.