Steam generator and pressurized-water nuclear reactors

US4148281A · kind A · utility

Assignee

• Kraftwerk Union Aktiengesellschaft · DE

Inventors

• Alfred Stoll · Lambach, DE
• Fritz Kelp · Erlangen, DE

Key dates

• Filing date: Mar 17, 1977
• Grant date: Apr 10, 1979
• Expiry date: Mar 17, 1997

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F22B1/026
• WIPO field: Thermal processes and apparatus
• WIPO sector: Mechanical engineering

Abstract

Steam generator for pressurized-water nuclear reactors having a steam jacket wherein a multiplicity of rectilinear tubes traversed by primary water is secured between two horizontally disposed tube support plates, and at least one connecting tube for supplying the primary water is secured to the steam jacket through a compensator for length equalization, includes a water chamber respectively disposed within the steam jacket and adjoining each of the tube support plates, and a guide jacket for circulating feed-water supplied into the steam jacket, the guide jacket being mounted within the steam jacket and having a lower portion extending into a space located between the steam jacket and the lower tube support plate.