20240047089. SHIELDED ELECTROMAGNETIC PUMPS FOR NUCLEAR REACTORS simplified abstract (GE-Hitachi Nuclear Energy Americas LLC)

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SHIELDED ELECTROMAGNETIC PUMPS FOR NUCLEAR REACTORS

Organization Name

GE-Hitachi Nuclear Energy Americas LLC

Inventor(s)

Mohammed Shutayfi of Wilmington NC (US)

SHIELDED ELECTROMAGNETIC PUMPS FOR NUCLEAR REACTORS - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240047089 titled 'SHIELDED ELECTROMAGNETIC PUMPS FOR NUCLEAR REACTORS

Simplified Explanation

The abstract describes an electromagnetic pump (EMP) for a liquid metal-cooled nuclear reactor. The EMP consists of a pump casing, inner and outer flow ducts, and induction coils. The flow annulus is defined by the concentric inner and outer flow ducts, extending coaxially with the longitudinal axis of the EMP. The induction coils control the flow of liquid metal coolant through the flow annulus based on electrical power received from the power supply. The inner or outer flow duct includes a gamma shielding material to block gamma rays from entering the interior of the EMP. The pump casing includes a neutron absorber material to absorb neutrons entering from the exterior of the EMP. Additionally, a neutron moderator material on the outer surface of the pump casing moderates neutrons to be absorbed by the neutron absorber material.

  • The electromagnetic pump (EMP) is designed for a liquid metal-cooled nuclear reactor.
  • The EMP includes a pump casing, inner and outer flow ducts, and induction coils.
  • The flow annulus is defined by the concentric inner and outer flow ducts, extending coaxially with the longitudinal axis of the EMP.
  • The induction coils control the flow of liquid metal coolant through the flow annulus based on electrical power received from the power supply.
  • The inner or outer flow duct includes a gamma shielding material to block gamma rays from entering the interior of the EMP.
  • The pump casing includes a neutron absorber material to absorb neutrons entering from the exterior of the EMP.
  • A neutron moderator material on the outer surface of the pump casing moderates neutrons to be absorbed by the neutron absorber material.

Potential Applications

  • Liquid metal-cooled nuclear reactors
  • Nuclear power plants
  • Advanced energy systems

Problems Solved

  • Protection against gamma rays entering the EMP
  • Absorption of neutrons entering the EMP
  • Efficient control of liquid metal coolant flow

Benefits

  • Enhanced safety by blocking gamma rays and absorbing neutrons
  • Improved control of liquid metal coolant flow
  • Increased efficiency and reliability of liquid metal-cooled nuclear reactors


Original Abstract Submitted

an electromagnetic pump (emp) for a liquid metal-cooled nuclear reactor includes a pump casing, concentric inner and outer flow ducts collectively defining a flow annulus extending coaxially with a longitudinal axis of the emp, and induction coils configured to control the flow of liquid metal coolant through the flow annulus based on electrical power received from the power supply. at least one of the inner flow duct or the outer flow duct includes a gamma shielding material configured to block gamma rays from entering an interior of the emp from the flow annulus. the pump casing may include a neutron absorber material configured to absorb neutrons entering the pump casing from an exterior of the emp. the emp may include a neutron moderator material on an outer surface of the pump casing and configured to moderate neutrons entering the pump casing to be absorbed by the neutron absorber material.

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