Online cleaning device for heat exchanger of nuclear power station

• Main Authors: LI XIAOHU, MA KE, WANG FEIHU, XU HUIMING, LI YUHUA, LI HAO, CAO JICHANG, CONG YOUCAI, FU YONGLE
• Format: Patent
• Language: Chinese; English
• Published: 18.04.2023
• Subjects: BLASTING; CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE ORHEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS; HEAT EXCHANGE IN GENERAL; HEATING; LIGHTING; MEASURING; MECHANICAL ENGINEERING; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR; WEAPONS

The utility model relates to a nuclear power station heat exchanger on-line cleaning device which comprises a forward cleaning pipeline, a reverse cleaning pipeline, a backflow cleaning pipeline and a cleaning water tank, the cleaning water tank, the forward cleaning pipeline and the heat exchanger are sequentially connected, and the cleaning water tank, the reverse cleaning pipeline and the heat exchanger are sequentially connected. One end of the backflow cleaning pipeline is connected to the first end and the second end of the heat exchanger, the other end of the backflow cleaning pipeline is connected with the cleaning water tank, and the cleaning water tank is used for storing cleaning liquid for cleaning the heat exchanger. The reverse cleaning pipeline is used for controlling the cleaning liquid to flow to the second end of the heat exchanger from the cleaning water tank, and the backflow cleaning pipeline is used for controlling the cleaning liquid flowing to the heat exchanger to flow back to the cle