Device for reducing ice load of ocean engineering structure by using electric heating unit

Abstract

The invention discloses a device for reducing an ice load of an ocean engineering structure by using an electric heating unit. The device comprises a power supply, an electric heating unit, a lifting mechanism and a support end, wherein the power supply is connected with the electric heating unit through a power supply cable; the electric heating unit is fixedly arranged on the lifting mechanism through a connecting member; one end of the support end is connected with the lifting mechanism; the other end of the support end is fixedly arranged on the ocean engineering structure by an anchoring base; and the connected part of the anchoring base and the ocean engineering structure is higher than a seal level. According to the device disclosed by the invention, sea ice frozen a water surface of the structure is effectively melt through heat generated by the electric heating unit, so that the sea ice is separated from the ocean engineering structure, the ice load is eliminated or reduced and the harm of the sea ice on the ocean engineering structure is reduced.

Description

technical field [0001] The invention relates to an electric heating device, in particular to a device for reducing the ice load of marine engineering structures by using an electric heating unit. Background technique [0002] In cold regions, the damage of ice load to marine engineering structures is extremely serious. In March 1969, the Bohai No. 2 platform in my country, the torch platform in the Bohai No. 4 platform group in 1977, and the two oil platforms in Cook Inlet, Alaska, USA, collapsed under the action of ice loads in 1964. On January 28, 2000, the JZ20-2 Zhongnan platform vibrated violently, resulting in fatigue fracture of the exhaust pipeline of Well No. 8 and natural gas leakage. With the further development and utilization of my country's offshore oil and gas resources and marine renewable energy, how to reduce the damage of ice loads to marine structures is becoming more and more important. [0003] At present, many domestic experts and scholars have condu...

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Problems solved by technology

[0003] At present, many domestic experts and scholars have conducted in-depth and detailed research on the structural characteristics, strength characteristics, dynamic characteristics of ice itself, ice-induced vibration, and ice temperature expansion force. The model test method, the similarity law of the dynamic ice force model, and the reduction measures of ice loads need to be further studied, and there is no device for reducing the ice loads of marine engineering structures.

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