Plate heat exchanger

• Main Authors: LI YONGPING, LI HUA, SHAO HAN, ZHENG XIRU
• Format: Patent
• Language: Chinese; English
• Published: 26.02.2021
• Subjects: BLASTING; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION; HEAT EXCHANGE IN GENERAL; HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT; HEATING; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

The invention discloses a plate heat exchanger. The plate heat exchanger comprises at least one fin plate and a plurality of plate pieces; the fin plates are located between every two adjacent plate pieces; each fin plate comprises a base part and a plurality of fin units arranged in the first direction; each fin unit comprises a plurality of first fins and a plurality of second fins; each fin comprises a top part and two side parts; at least one group of side parts positioned on one sides of the tops of the first fins and at least one group of side parts positioned on one sides of the tops ofthe second fins are staggered in the second direction, so that a window is formed between two side parts belonging to the first fins and the second fins which are adjacent to each other in the groupof side parts; at least one plate piece is provided with a plurality of corrugated protrusions, a groove is formed between every two adjacent corrugated protrusions, and an opening of each groove faces the side where the corre