Load shedding test unit for double-extraction reheating back pressure unit

• Main Authors: SUN YONGBIN, WANG LI, LIU TIANYU, YU HAO, KANG RUITING, TANG HAOYUAN, LI CUNHUAI
• Format: Patent
• Language: Chinese; English
• Published: 24.10.2023
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The invention discloses a load shedding test unit for a double-extraction reheating backpressure unit, and relates to the technical field of automatic control of thermal power generating units, the load shedding test unit comprises a boiler, a main steam port of the boiler is connected with a bypass regulating valve through a pipeline, and the bypass regulating valve is connected to a recooling system of the boiler through a pipeline; high-pressure adjusting doors are arranged on the two sides of the high-pressure cylinder respectively, and the main steam opening is connected with the high-pressure adjusting doors; medium-pressure adjusting doors are arranged on the two sides of the medium-pressure cylinder respectively, a reheat steam opening and the medium-pressure adjusting doors of the boiler are connected with the high-pressure deaerator, and a four-section steam extraction opening of the medium-pressure cylinder, the high-pressure deaerator, the water feeding pump and the water inlet side of the boiler