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Resin exchange system with gas as transmission medium for nuclear power plants

A technology for transmission media and nuclear power plants, applied in the field of resin replacement systems, can solve problems such as system differences, achieve the effects of reducing working hours, preventing pressure overpressure, and protecting operating personnel

Active Publication Date: 2016-10-05
CHINA NUCLEAR POWER ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] There are also some examples, such as the patent "resin loading and unloading trolley" (application number: CN201220286779.4), which all belong to resin replacement equipment, and there are substantial differences from the system described in this patent application

Method used

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  • Resin exchange system with gas as transmission medium for nuclear power plants

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Embodiment Construction

[0023] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] Such as figure 1 Shown is a resin replacement system for nuclear power plants provided by the present invention with gas as the transmission medium. The replacement system is used to replace the resin in the resin bed 1 of the nuclear power plant. The replacement system includes compressed air pipeline nodes N01 to N02 communicating with the upper part of the resin bed 1 and resin discharge pipeline nodes N07 to N08 communicating with the lower part of the resin bed 1 . The air inlets of the nodes N01 to N02 of the compressed air pipelines are connected to the compressed air supply equipment 19 ; the outlets of the nodes N07 to N08 of the resin discharge pipelines are connected to the waste bin 2 .

[0025] Wherein, the compressed air pipeline is provided with a compressed air pipeline decompression valve 3 and a...

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Abstract

The present invention relates to a resin replacement system used for a nuclear power plant and adopting gas as a transmission medium. The resin replacement system comprises a compressed air pipeline communicated with the upper portion of a resin bed (1) and a resin unloading pipeline communicated with the lower portion of the resin bed (1), wherein the gas inlet of the compressed air pipeline is communicated with compressed air supply equipment (19), and the material outlet of the resin unloading pipeline is communicated with a waste material box (2). With the technical scheme, the waste resin in the resin bed is unloaded through the resin replacement pipeline by using gas, such that the contact of the operator and the waste resin having the high radiation dose and the resin bed can be prevented, and the work time of the operator in the control area can be reduced so as to protect the operator.

Description

technical field [0001] The invention belongs to a resin replacement system, in particular to a resin replacement system used in nuclear power plants with gas as a transmission medium. Background technique [0002] The resin filling in the radioactive area of ​​the active nuclear power plant generally uses a conical funnel resin filling box, that is, the resin flows through the filling box into the resin bed by gravity, which requires the operator to operate under control for a long time, increasing the exposure dose of the operator. [0003] The invention aims at constructing a resin replacement system using gas as the transmission medium for nuclear power plants. The waste resin in the resin bed is discharged through the resin replacement pipeline with the help of gas, which can prevent the operator from contacting the waste resin and the resin bed with a high radioactive dose, reduce the working time of the operator in the control area, and thus protect the operator. Func...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G21C19/32
CPCY02E30/30
Inventor 高瑞发张志银叶欣楠姜百华
Owner CHINA NUCLEAR POWER ENG CO LTD