一种核电用水下放射性颗粒捕捉器装置

By designing a negative pressure filtration system and an intelligent monitoring underwater radioactive particle trap, the problems of complex structure and poor adaptability of existing devices have been solved, achieving efficient and convenient removal of radioactive particles and improving the safety of the underwater environment and equipment stability of nuclear power plants.

CN224506413UActive Publication Date: 2026-07-17CCI THERMAL NANJING

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CCI THERMAL NANJING
Filing Date
2025-08-21
Publication Date
2026-07-17

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Abstract

本实用新型公开了一种核电用水下放射性颗粒捕捉器装置,用于高效清除核电站水池中的放射性颗粒。该装置包括泵体、压力罐、耐辐射性过滤器、底座、电控箱和流量传感器。泵体置于罐体内,通过连接通道与压力罐连通,固定于底座上,电控箱控制泵体运行,流量传感器监测排液管水流以判断滤芯更换时机。装置通过负压吸入含放射性颗粒的水溶液,经耐辐射性滤芯拦截后排出清洁水体,整个过程在水下完成,降低辐射风险。装置结构简单、操作便捷,可灵活调整过滤能力,适应不同工况,降低维护成本,具有显著的经济和社会效益。
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Claims

1. A nuclear power underwater radioactive particle harvester device, characterized by: include: The tank body and the pump body (7) are disposed within the tank body; At least one pressure vessel and at least one radiation-resistant filter tube, the pressure vessel being connected to the tank body via a connecting pipe (9), and the pump body (7) generating negative pressure inside the pressure vessel; The base (8) is used to fix both the tank body and the pressure tank. A flow sensor (3) is located at the outlet of the pump body (7).

2. The nuclear power underwater radioactive particle catcher device of claim 1, wherein, It also includes an electrical control box, which controls the operation of the pump body (7); The connecting pipe (9) is located between the pump body (7) and the pressure tank to ensure that the pump body (7) is connected to the inside of the pressure tank, so that a negative pressure environment is formed inside the pressure tank.

3. The nuclear power underwater radioactive particle catcher device according to claim 1 or 2, characterized in that, The pressure tank includes a shell I (11) and an end cap I (14). The tank body includes a shell II (6) and an end cap II (5). The end cap I (14) and the end cap II (5) respectively seal the ends of the shell I (11) and the shell II (6). The shell I (11) is connected to the shell II (6) through a connecting pipe (9). The shell I (11) and the shell II (6) form a radiation-resistant negative pressure filtration space.

4. The nuclear power underwater radioactive particle catcher device of claim 3, wherein, The housing I is provided with a filter element (10) and an O-ring (12). The O-ring (12) is located at the connection between the housing I and the filter element (10) to ensure water flow through the filter element (10).

5. The nuclear power underwater radioactive particle catcher device according to claim 3 or 4, characterized in that, It also includes a water inlet pipe (15), which is connected to the top of the housing I (11) and is used to introduce the aqueous solution of radioactive particles suspended in the pool into the filter element (10) of the housing I (11).

6. The nuclear power underwater radioactive particle catcher device of claim 5, wherein, It also includes a handheld capture mechanism, which includes a suction head and a long rod (20). The suction head is connected to the water inlet pipe (15). The suction head is either a flat suction head (21) or a corner suction head (22).

7. The nuclear power underwater radioactive particle catcher device of claim 5, wherein, It also includes two camera devices (17), which are fixed to the end cap II (5) and the long rod (20) respectively by camera brackets (16).

8. The nuclear power underwater radioactive particle catcher device according to any one of claims 1-7, characterized in that, It also includes a drain pipe (18), which is connected to the outlet end of the pump body (7). Diffuser pipes (2) are connected to both sides of the drain pipe (18), and the diffuser pipes (2) are used to guide the water flow discharged from the pump body (7) to be evenly distributed. The flow sensor (3) is installed on the drain pipe (18).

9. The nuclear power plant underwater radioactive particle catcher device according to any of claims 3-7, characterized in that, It also includes a perforated plate (13), the two ends of which are fixedly connected to housing I (11) and housing II (6) respectively.

10. The nuclear power plant underwater radioactive particle catcher device according to any one of claims 3-7, characterized in that, It also includes a handle (1) and a cable waterproof connector (4), the handle (1) being fixedly connected to the drain pipe (18), and the cable waterproof connector (4) being located on the top of the end cap II (5).