Shuo era products for small and medium boiler room computer monitoring system

I. Project Introduction Boiler fuzzy control is proposed for the contradiction between the accuracy and complexity of the boiler system. For a complex system, a large amount of theoretical and practical experience information is used in the process of building a mathematical model. The boiler is such a system. Using fuzzy theory and fuzzy control method, the operator's operational experience can be summarized and fuzzy logic inference method is used to form a fuzzy control strategy. In the case of large changes in working conditions, the system has a fast tracking capability, which makes the boiler tend to be stable and achieve good control quality. And self-seeking optimization control, online adjustment of the wind-to-coal ratio, so that the operation of the boiler is approaching and reaching the optimal working condition. The boiler combustion fuzzy control system not only ensures the automatic operation of the boiler combustion, but also has significant economic and social benefits.
(1) After the boiler is equipped with the combustion computer monitoring system, the entire investment will be recovered after 2 years of operation by saving coal;
(2) greatly increase the reliability of boiler operation;
(3) greatly reduce the labor intensity of the operating personnel;
(4) Conducive to the realization of plant-wide automation and centralized management

Boiler room monitoring system structure diagram

Second, the typical case of Qingdao Alkali Industry Co., Ltd. 130 t / h pulverized coal furnace. Other economic benefits were 150,000 yuan, and the annual comprehensive economic benefit was 1.30 million yuan. The CO2 emission reduction due to coal saving is 2,665 tons. Has significant economic and social benefits.

Appraised by the national authority: After the input of the fuzzy control system, the thermal efficiency increased by 2.93 percentage points, the coal saving rate was 3.28%, the annual coal saving was 5250 tons, and the annual coal economic benefit was 1.155 million yuan.

Monitoring software interface

Open source thermoelectric 75 t / h pulverized coal furnace 3 sets. After the boiler is rebuilt, it can better meet the control of various working conditions, thus achieving the effect of saving energy and reducing energy consumption. Under test conditions, the boiler thermal efficiency increased from 80.8% before the transformation to 85.8%. The efficiency of the modified boiler was increased by 5 percentage points compared with that before the transformation. The statistics before and after the transformation show that the coal saving amount in the 9 months after the transformation is 1972 tons of standard coal, that is, the annual coal saving is 2629 tons of standard coal, and the annual comprehensive benefit is 841,300 yuan.

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