Oilfield heating furnace safety control confirmation circuit and device

The utility model discloses a safety control confirmation circuit and device for an oil field heating furnace, which relates to the field of oil field heating furnaces and comprises a controller and aheating furnace (8). The input end of the controller is connected with the output end of the information receiving circuit (1), and the output end of the information receiving circuit (1) is furtherconnected with the display screen (4). The output end of the controller is connected with a confirmation switch (5); and the output end of the controller is also connected with the heating furnace (8). The problems that a temperature value detected by a temperature sensor of an oil field heating furnace is influenced by noise or measurement errors of the province suddenly change, the misoperationpossibility is large, and unnecessary economic losses are caused are solved. 本实用新型公开了一种油田加热炉安全控制确认电路和装置，涉及油田加热炉领域，一种油田加热炉安全控制确认电路，包括：控制器和加热炉（8）；所述控制器的输入端与信息接收电路（1）的输出端连接，所述信息接收电路（1）的输出端还与显示屏（4）连接；所述控制器的输出端，与确认开关（5）连接；所述控制器的输出端，