Method of dynamic monitoring of air leakage in clinker sensible heat recovery system for titanium dioxide production

Abstract

The invention discloses a method for dynamically monitoring the air leakage of a titanium dioxide production clinker sensible heat recovery system. The method is capable of monitoring the air leakage condition of the titanium dioxide production clinker sensible heat recovery system in real time and accurately; the method comprises the steps of 1) monitoring the actual values of the air temperatures, air volumes and pressures at a cooler inlet, a cooler outlet and a ring kiln inlet at predetermined time intervals, 2) calculating the measuring errors of the pressure values and the temperatures measured in front and back two measurement periods, measuring the air leakage according to the data obtained in the front and back two measurement periods when the measuring errors are within an allowed range, and comparing the measured air leakage with a reasonable measurement deviation value to obtain the final air leakage. According to the method, the instantaneity and the accuracy of monitoring the air leakage condition of the titanium dioxide production clinker sensible heat recovery system are improved, real-time alarm can be activated according to the air leakage and air leakage can be avoided; the titanium dioxide production clinker sensible heat recovery rate is increased.

Description

technical field [0001] The invention relates to the technical field of titanium dioxide production, in particular to a method for dynamically monitoring air leakage in a clinker sensible heat recovery system for titanium dioxide production. Background technique [0002] It is known that the sensible heat recovery of clinker titanium dioxide in the titanium dioxide production industry is generally recovered through a single-cylinder or multi-cylinder cooling system. The clinker cooling system includes a blower, a cooling drum, and a conveying pipeline. In the whole process of titanium dioxide production, the heat taken away by clinker accounts for 30-40% of the heating load, and it is the consistent practice in the titanium dioxide production industry to recover the sensible heat of clinker and circulate it to the combustion system. Heat recovery rate and recovery temperature are indicators to measure whether an enterprise is energy-efficient, and recovery conditions are also...

AI Technical Summary

Problems solved by technology

[0003] At present, the air leakage control of the clinker sensible heat recovery system for titanium dioxide production is generally monitored through regular inspections by on-site workers. It is inevitable that the monitoring is not timely and the air leakage caused by the untimely monitoring cannot be effectively controlled, which makes the air leakage serious. Air leakage takes away a large amount of sensible heat of clinker, reducing the recovery rate of sensible heat

Therefore, it causes huge energy waste and property loss to the enterprise.

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