STEAM GENERATOR SYSTEM, STEAM GENERATOR PRESSURE CONTROL SYSTEM, AND CONTROL METHOD THEREFOR - CHINA NUCLEAR POWER TECHNOLOGY RES INST CO LTD

Title:

STEAM GENERATOR SYSTEM, STEAM GENERATOR PRESSURE CONTROL SYSTEM, AND CONTROL METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2022/134730

Kind Code:

A1

Abstract:

Disclosed are a steam generator system, a steam generator pressure control system, and a control method therefor. The steam generator pressure control system comprises a first control module for obtaining a pressure deviation value; a second control module for measuring and calculating a flow difference value between an outlet flow value and an inlet flow value, and then adding the flow difference value and the pressure deviation value together to obtain a first opening degree value for controlling a first valve of a water supply regulation valve group; and a third control module for measuring a steam intake pressure value of a steam turbine, and comparing the steam intake pressure value with a preset reference threshold value, so as to obtain a second opening degree value for controlling a second valve of the water supply regulation valve group. In the steam generator system, the steam generator pressure control system, and the control method therefor of the present invention, the opening and closing of a water supply regulation valve group is controlled by means of a first control module, a second control module and a third control module, such that a steam generator is controlled, thereby satisfying the requirements for both coarse regulation and fine regulation.

More Like This:

JPS5517655	FLON GAS VAPORIZER BY USE OF ROTARY FRICTIONAL HEAT
WO/1990/006477	AN ELECTRIC BOILER AND CONTROLS THEREFOR

Inventors:

ZHU JIANMIN (CN)
CHEN TIANMING (CN)
WANG NA (CN)
HU YOUSEN (CN)
ZHANG WEI (CN)
LU XIANGHUI (CN)
ZHOU MINGJIA (CN)
WANG KAI (CN)
WANG XIAOTING (CN)
WANG WEIRU (CN)
WEI DANJING (CN)
LI BINGWEN (CN)
LIU YIRAN (CN)
HU YISONG (CN)
GAO YAXIN (CN)

Application Number:

PCT/CN2021/122297

Publication Date:

June 30, 2022

Filing Date:

September 30, 2021

Export Citation:

Click for automatic bibliography generation Help

Assignee:

CHINA NUCLEAR POWER TECHNOLOGY RES INST CO LTD (CN)
CHINA GENERAL NUCLEAR POWER (CN)
CGN POWER CO LTD (CN)

International Classes:

F22B1/02; F22B35/00; F22B37/42

Domestic Patent References:

WO2012026328A1

2012-03-01

Foreign References:

CN112682770A	2021-04-20
CN111780089A	2020-10-16
CN1257174A	2000-06-21
JPH10253007A	1998-09-25
US4275447A	1981-06-23
US4912732A	1990-03-27

Other References: