Infrared differential spectroscopy-based biogas detection and purification control system
A technology of control system and differential absorption spectroscopy, which is applied in the direction of color/spectral characteristic measurement, separation method, gas fuel, etc., can solve the problem of simultaneous detection and control of multiple components, the inability to change the amount of reagents and the operation of equipment, etc. Unable to coordinate issues such as biogas purification and purification process, to achieve the effect of accurate detection results, low cost and long service life
Inactive Publication Date: 2013-01-16
CHINA JILIANG UNIV
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[0009] In the traditional biogas purification and purification methods, there are many processes for desulfurization, dehydration and carbon dioxide removal, but most of them only remove a certain component, and fail to comprehensively consider the desulfurization, dehydration and carbon dioxide removal processes to form a complete set of biogas Purification and purification system
Moreover, it is impossible to change the amount of corresponding reagents and the operation of equipment according to the amount of biogas treatment, and it is also impossible to coordinate all aspects of the biogas purification an
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[0036] The invention coordinates the removal methods of each component in the biogas, and realizes linkage and integrated control. In the control system, the detection light path and detection gas path specially designed by infrared technology can detect the concentration of each component separately and separate each component. The detection result can guarantee the system and control the purification equipment. Function, make the purification standard of biogas meet the technical indicators of my country's natural gas. Corresponding detection probes and sensors are installed in the purification equipment to achieve online detection; at the same time, corresponding sensors are installed around the equipment and appropriate locations in the workshop to achieve online detection of the purification equipment, and give an alarm for equipment leakage or accidents, and then achieve normal operation control of the purification equipment And alarms for environmental accidents. It save...
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The invention relates to an infrared differential spectroscopy-based biogas detection and purification control system. The system has the advantages of high detection accuracy, low cost and long service life. The infrared differential spectroscopy-based methane detection and purification control system comprises a control center and a processing unit, and is characterized in that: A, a biogas tank is sequentially communicated with a dehydrating tower, a desulfurizing tower, a decarburization tower and a biogas storage tank through a pipeline; B, the pipeline inlets of the dehydrating tower, the desulfurizing tower, the decarburization tower and the biogas storage tank are provided with a sampling port respectively, and each sampling port is sequentially communicated with a pretreatment device and a gas chamber of an infrared detection center through a gas pipe; and C, a full-wave band infrared light source emits infrared light for detecting the gas to the gas chamber, an infrared detector receives and detects the infrared light after detection, and the acquired information is transmitted to the processing unit for data processing and is transmitted to the control center.
Description
technical field [0001] The invention relates to a biogas detection and purification control system based on infrared differential spectroscopy. Background technique [0002] Biogas is a kind of clean energy. Against the backdrop of a sharp increase in international energy demand, the production and utilization of biogas is of great significance. my country is a large agricultural country, and there are sufficient raw materials for biogas production. At the same time, biogas can be efficiently used in industrial production after purification. Therefore, the production and efficient utilization of biogas is an important node connecting my country's industry and agriculture, and is of great importance to my country's economic development. effect. [0003] Biogas is a flammable mixed gas, generally containing methane, carbon dioxide, hydrogen sulfide, water vapor and a small amount of ammonia, hydrogen and carbon monoxide, etc. The content of each component in biogas made from d...
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Login to view more IPC IPC(8): B01D53/30C10L3/10G01N21/35G01N21/3504
Inventor 夏凤毅盛成龙武小鹰李金页
Owner CHINA JILIANG UNIV
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