Heater for nuclear reactor and nuclear reactor

A technology for nuclear reactors and heaters, applied in the temperature control of coolants, in the field of nuclear reactors, can solve the problems of complex heating systems, large heat transfer resistance, and poor heating effects, and achieve good heating effects, easy and uniform heating, and avoid additional The effect of thermal resistance

Active Publication Date: 2019-08-16
INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, such a scheme has problems such as large heat transfer resistance, poor heating effect, and complicated heating system.

Method used

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  • Heater for nuclear reactor and nuclear reactor
  • Heater for nuclear reactor and nuclear reactor
  • Heater for nuclear reactor and nuclear reactor

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Embodiment Construction

[0034] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0035] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by those skilled in the art to which the present invention belongs.

[0036] Such as figure 1 and figure 2 As shown, the embodiment of the present invention provides a heater for a nuclear reactor, including a heating device 1 , a fixing device 2 , a connecting device 3 and a supporting device 4 .

[0037] The heating dev...

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PUM

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Abstract

A heater for nuclear reactor comprises a heating device, which is used to heat a coolant in a nuclear reactor and is arranged in the bottom of the nuclear reactor; a fixing device, which is used to fix the heating device; a support device, which is arranged on the periphery of the heating device; and a connection device, which is fixedly connected to the support device. The connection device is detachably connected to the heating device. The connection device is detachably connected to the fixing device. A nuclear reactor comprises the heater mentioned above.

Description

technical field [0001] The present invention relates to the field of nuclear reactors, in particular, to the field of temperature control of coolants of nuclear reactors. Background technique [0002] In nuclear reactors, coolant is usually required to remove heat from the reactor core. For example, in a nuclear reactor, a liquid metal with a low melting point (such as sodium, lead, lead-bismuth eutectic alloy, etc.) is used as the nuclear reactor coolant. This kind of nuclear reactor must ensure that the coolant is in a molten state before starting operation, after stopping operation and when operating at low power. When the nuclear reactor is not operating or at very low power, the heat generated by the core will not be sufficient to maintain the temperature of the liquid coolant above its melting point. If the coolant freezes, it will cause serious damage to the systems and equipment of the nuclear reactor. Therefore, it is necessary to specially set up a heating devic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21C15/247G21C15/257
CPCG21C15/247G21C15/257Y02E30/30
Inventor 朱彦雷刘璐顾龙盛鑫李金阳王大伟彭天骥张璐于锐蔡义林
Owner INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
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