A cyclic condensing type heat exchanger

• Main Author: HUIQIANG ZENG
• Format: Patent
• Language: English
• Published: 24.10.2007
• Subjects: BLASTING; FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

The utility model provides a cycle condensing heat-changing device comprising a plurality of heat exchangers which are mutually connected in series through a connecting device, wherein each heat exchanger comprises a main body which is provided with water and a plurality of heat-transfer pipes, a cold water inlet and a water outlet are arranged on the main body of the heat exchanger positioned at end, the cold water inlet, the water outlet and the hot water inlet are arranged on the main bodies of the other heat exchangers, the cold water inlet of each heat exchanger is communicated with an external pipe, the usable vapor flows from the water outlet of the heat exchanger positioned at head, the water outlets of the other heat exchangers are connected with the hot water inlet of the adjacent front heat exchanger. The cycle condensing heat-changing device of the utility model is high in heat utilization efficiency, which can reduce the cost.