Abstract
The aim of the article is to present progress in the design of the wireless emission monitoring system intended for use in nonindustry heating appliances in households. Two experimental prototypes were constructed. The first prototype successfully transmitted air quality data via the SIM900 technology, measuring VOC, CO, and CO2 concentrations simultaneously, transmitting the data via cloud onto a mobile application every 15 seconds. This demonstrated proof of concept of the “MQ-series” sensors, the Arduino, and ThingSpeak Internet of Things (IoT) platform. The second monitoring prototype was used to analyze flue gases from a solid-fuel stove using three types of fuel: dry wood, cardboard, and wet grass emulating inappropriate fuel. Successful cooling was achieved within the sampling tube (average flue gas temperature of 106 °C–35 °C). Powered by batteries alone, the system wirelessly measured a significant increase in VOC and CO2 concentrations from the chimney as darker smoke rose, produced by incorrect fuel burn (nominal value of 0.35 ppm up to 62 ppm). The article concludes with future design plans, alterations, optimalization steps of the individual system components, and plans for further experiments.
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