System and method for flushing drain tank of nuclear power station and equipment

A technology of flushing system and drain box, applied in cleaning methods and utensils, chemical instruments and methods, cleaning hollow objects, etc., can solve the problems of long flushing time and low flushing efficiency, shorten flushing time, improve flushing efficiency and flushing quality effect

Active Publication Date: 2021-10-12
GUANGDONG NUCLEAR POWER JOINT VENTURE +5
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the technical problems of long flushing time and low flushing efficiency in the flushing of the separated drain tank and the regeneration drain tank in the prior art, the present invention provides a flushing system, method and equipment for the drain tank of a nuclear power plant

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  • System and method for flushing drain tank of nuclear power station and equipment

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Embodiment Construction

[0028] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0029] It should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "middle", etc. are based on the orientation or position shown in the drawings The relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention. ...

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Abstract

The invention belongs to the technical field of nuclear island exhaust and drainage systems, and particularly relates to a system and method for flushing a drainage tank of a nuclear power station and equipment. According to the system for flushing the drain tank of the nuclear power station, demineralized water in a first flushing pipeline and condensed water in a fifth flushing pipeline can be used for flushing the first separation drain tank; demineralized water in a second flushing pipeline and condensed water in a sixth flushing pipeline can be used for flushing a first regeneration drain tank; the demineralized water in a third flushing pipeline and the condensed water in a seventh flushing pipeline can be used for flushing a second separation drain tank; and demineralized water in a fourth flushing pipeline and condensed water in a eighth flushing pipeline can be used for flushing a second regeneration drain tank. According to the system and method for flushing the drain tank of the nuclear power station and the equipment, the flushing efficiency of the drain tanks is improved, and the flushing time is shortened.

Description

technical field [0001] The invention belongs to the technical field of exhaust and drainage systems of nuclear islands, and in particular relates to a flushing system, method and equipment for drainage tanks of nuclear power plants. Background technique [0002] The steam produced by the steam turbine unit of a nuclear power plant is saturated steam. After the saturated steam enters the high-pressure cylinder of the steam turbine and initially expands to do work, it will be transformed into wet steam with a water content of 10% to 15%. If the wet steam is directly discharged into the low-pressure cylinder of the steam turbine to continue Expansion works, so the water content of the wet steam in the low-pressure cylinder will reach 20% to 25%. [0003] Wet steam will greatly reduce the working efficiency of the steam turbine unit, and will cause erosion and damage to the blades of the low-pressure cylinder. At the same time, it will also cause the blades of the low-pressure c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B9/093B08B9/08
CPCB08B9/093B08B9/08
Inventor 王进峰唐军李旺
Owner GUANGDONG NUCLEAR POWER JOINT VENTURE
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