Reactor Core
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Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Control Rod Assembly used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.
A canonical Control Rod Assembly is characterized by the integration of Control Rod and Spider Assembly. In industrial production environments, manufacturers listed on CNFX commonly emphasize Boron carbide (B4C) construction to support stable, high-cycle operation across diverse manufacturing scenarios.
A critical safety component in nuclear reactors that regulates the fission reaction rate by absorbing neutrons.
Technical details and manufacturing context for Control Rod Assembly
Commonly used trade names and technical identifiers for Control Rod Assembly.
This component is essential for the following industrial systems and equipment:
| pressure: | 7-16 MPa (PWR) / 7 MPa (BWR) |
| flow rate: | N/A (stationary component in reactor core) |
| temperature: | 250°C to 350°C (typical PWR/BWR operating range) |
| slurry concentration: | N/A (operates in pure water/steam environment) |
Manufacturer profiles with relevant production capability in China
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Control rod assemblies typically use boron carbide (B4C) or hafnium as neutron-absorbing materials due to their high neutron capture cross-sections, encased in stainless steel cladding for durability and corrosion resistance in reactor environments.
Control rod assemblies absorb neutrons in the reactor core, controlling the chain reaction rate. Inserting rods deeper reduces reactivity, while withdrawing them increases it, allowing precise regulation of power output and emergency shutdown capability.
A complete control rod assembly consists of the control rod itself (neutron absorber), guide tubes for precise positioning and alignment, and spider assemblies that connect multiple rods to drive mechanisms for coordinated movement.
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