With the continuous development of large-scale biogas digester construction and comprehensive utilization of biogas, biogas power generation has "presented"! It is a comprehensive utilization technology of power integrating environmental protection and energy saving, which not only deals with the environmental problems in the biogas project, consumes a lot of waste, protects the environment, reduces greenhouse gas emissions, and completes the "waste to treasure" together and brings huge economic benefits.
Let's take a closer look at the biogas power plant in Germany and see how they use ifm sensors for intelligent production monitoring!
Kögelhof is a family farm in the Ravensburg district of Germany that has been producing biogas since 2004 that can be converted into power. Farmer Miller grows his own raw materials on 180 hectares of farmland, which are differentiated by microorganisms in a warm, confined environment to produce biogas. At the Kögelhof plant, a total of five engines are powered by biogas and generated by coupled generators, generating 4.5 million kilowatt-hours of electricity per year. This energy is fed into the grid and can meet the electricity needs of about 1,400 households.
The biogas power plant at the Kögelhof farm uses gas storage tanks to generate electricity and heat, and two PM1604 sensors are installed on the gas storage tanks to measure the level of the tanks and the pressure of the external diaphragms. Thanks to its rugged ceramic capacitive pressure measuring element, the PM1604 flush pressure sensor is ideally suited for this application. The measuring element is resistant to particulate matter in the medium, while the flush process connection avoids fouling on the measuring element. The raw biogas transported by the tank is hot and contains a lot of water and sulphur, which is very bad for the engine and must be treated, cleaned and dehydrated. After installing ifm sensors, it is possible to accurately know the temperature of gas transport, cooling and system operation, and to know whether there is a deviation, whether there is an alarm, and where the error is generated.
In addition, the biogas power plant has been upgraded and modernized, and moneo, the IIoTI IoT channel developed by ifm, has been installed. Previously, the requirement was to connect a cable from the sensor, but now there is a master station that can be connected directly to the sensor with the lO-link interface, and all the data is displayed in moneo. moneo offers a number of advantages, such as the ability to know exactly what a sensor has profiled and then generate and send alarms.
As biogas plants become more and more cluttered, the corresponding number of data and sensors is constantly being added, so it is important to have a quick overview of everything. According to Mr. Miller, the manager of the biogas project, the electricity we produce is bought and sold in the electricity trading center, and the power supply will be added or reduced according to the demand, so I need to know the status of the power generation facility and the current value, moneo can intuitively read all the sensor information through the graphical interface, and if there is an abnormality in a certain place, it can be expanded accordingly and quickly find the fault.
Knock on the use of resources – this criterion applies together to the power utilization of biomass and the application of sensor skills. The ifm sensor technology uses I0-link to output data in addition to the measured values and then provides a high degree of transparency in process monitoring and ensures efficient and trouble-free operation of the biogas plant.
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