DEVICE FOR PROTECTION AGAINST EMERGENCY LEAK IN HEAT RECOVERY BOILER Russian patent published in 2014 - IPC C01B17/76 

FIELD: heating.

SUBSTANCE: invention relates to the method of protection against an emergency leak of heat recovery boilers in sulphuric acid systems. The device of protection against an emergency leak of the heat recovery boiler in the plant of sulphuric acid production includes an air blower with a unit of emergency trip of a motor, at the same time it additionally comprises a cooled bypass flue with a temperature sensor and a controller, at the same time the bypass flue is installed in any point of the gas tract of the sulphuric acid system between the outlet from the heat recovery boiler and the outlet from the gas heat exchanger after the first stage of contact, the inlet of the controller is connected with the temperature sensor of the bypass gas flue, and the outlet - with the unit of emergency trip of the air blower motor.

EFFECT: higher efficiency.

3 dwg