AUTOMATIC MAINTENANCE AND FLOW CONTROL OF HEAT EXCHANGER

• Main Authors: PATEL RITESH, ACOSTA GONZALEZ MARCELO JAVIER, HUM REDMOND, TERZIC ZELJKO
• Format: Patent
• Language: Chinese; English
• Published: 14.05.2021
• Subjects: BLASTING; CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE ORHEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION; HEAT EXCHANGE IN GENERAL; HEATING; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

A heat transfer system that includes one or more heat exchangers and one or more control pumps that control flow through the heat exchangers. In order to source a variable load, the control pumps can be controlled to operate at less than full duty flow. In an example embodiment, a controller can calculate, when each heat exchanger is clean, coefficient values of each respective heat exchanger. The controller can determine, during real-time operation, real-time coefficient values of the heat exchanger to compare with the respective coefficient values when clean, in order to determine whether there is fouling in that heat exchanger. In some examples, the controller can determine that maintenance is required on the heat exchanger due to the fouling, and perform flushing of the heat exchanger by operating one or more of the control pumps at full duty load during real-time operation to source the variable load. 一种传热系统，该传热系统包括一个或多个热交换器和控制通过热交换器的流量的一个或多个控制泵。为了供应可变载荷，能够控制控制泵以低于全工作流量操作。在示例实施例中，当清洁每个热交换器时，控制器能够计算每个相应热交