Automatic control system for removing heat of molten salt in reactor capable of producing acrylic acid through propane one-step process

• Main Authors: ZHU TAO, HUANG SHANSHAN, HU MINGLIANG, WANG QIUHONG, WEN LEI, LIU XUEXIAN, WANG WEIDONG, LIANG HONGBIN, WANG BAOJIE, GONG CHUANZHI, LI CHANGFU, LIU LI
• Format: Patent
• Language: Chinese; English
• Published: 25.09.2013
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

The utility model relates to a control system, and particularly relates to an automatic control system for removing the heat of molten salt in a reactor capable of producing acrylic acid through a propane one-step process. A second thermocouple and a temperature transmitter thereof are arranged on a molten salt outlet pipe of an electric heater, the temperature transmitter is connected with a temperature regulator in a DCS (distributed control system) to form a temperature regulating system, a molten salt flow control valve is arranged in a molten salt inlet pipeline; and a first thermocouple and a temperature transmitter thereof are arranged on a molten salt inlet pipe of the electric heater, a third thermocouple and a temperature transmitter thereof are arranged on the molten salt outlet pipe of the reactor, the temperature transmitter is connected with a temperature exerciser which is connected with the first thermocouple and the temperature transmitter thereof, and the calculation result of the temperatur