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Compressed air technology is becoming more efficient

Compressed air technology is becoming more efficient Compressed air technology is becoming more efficient Compressed air is the most widely used in industry and commerce besides electricity Energy is widely used because it is easy to operate, fast, high power density, safety and good compatibility, but its high cost can not be ignored Compressed air is the most widely used in industry and commerce besides electricity Energy. Its wide application is due to its easy operation, fast speed, high power density, safety and good compatibility, but its high cost can not be ignored. It is therefore important to understand and maximize the use of all savings potential. The quickest and most effective way to achieve this goal is to solve the problem of leakage. Sealing without leaks is generally not possible for compressed air users, and about 30% of compressed air is unintentionally escaping into the environment. whether it is the equipment of the air compressor station or the update and upgrade of the control software, Boge company will start with the audit and inspection of the compressed air system, understand the current actual situation of the air compressor station, and install the box type measuring instrument in the user site, and collect and record the data of the compressed air use and control status of the user air compressor station in two weeks. the final expert estimates the optimized potential size based on the collected data. The optimization focuses on the utilization of waste heat, the use of a higher level of control system, the adjustment of the speed of each air compressor (frequency conversion) and the use of more efficient compressed air preparation. Distribution Network for Compressed Air a reasonable compressed air distribution network is crucial to improve the economy of compressed air utilization. german machinery manufacturing association VDMA drafted the industry standard 15391-1 in the summer of 2018; compressed air distribution; economic and safety planning; part 1: planning design and new installation equipment; this part, a total of 86 pages, provides rich auxiliary design tools for the vast number of compressed air system designers. Through the examples presented in this paper, users can clearly understand the importance of compressed air distribution network. Bode Chemie company through the air compressor station technical transformation can reduce more than 300,000 kW of electricity consumption and 160 t of CO2 emissions. For example, the decentralized compressed air supply network, which originally housed a company in two plant buildings (with a total of three air compressors installed), was completely revamped. The core of the new compressed air system is to place all air compressors in one room for control management, and use the GA 45VSD screw type air compressor with adjustable speed and fuel injection lubrication developed and produced by Atlas company. The original 3 air compressors were also moved to the new air compressor station and incorporated into the new compressed air supply system, so the whole compressed air supply system has high peak buffer performance and required redundant reserves. The technical changes introduced also reduced the working pressure from 0.95 MPa to 0.7 MPa.. compression and heating are closely related, as this technical transformation has confirmed again, developed by altAIRnetive company; compressed air thermal power plant; the technical principle is to use the internal combustion engine burning natural gas to generate the working power to drive the air compressor. the mechanical power of this practice is 26~300 kW, the initial flow temperature is 108℃, which effectively combines air compression and production heat energy. The advantage is that there is almost no efficiency loss, because the heat generated in compressed air is almost all used in the production process, rather than released into the ambient atmosphere like the traditional air compressor. The heat produced by air compression combined with the heat produced by internal combustion engines is equivalent to that produced by modern heating systems, which, according to suppliers, are now almost zero-loss. & quot; Compressed Air Technology to an Efficient Era Green Power for Compressed Air Furthermore, the technical model of compressed air storage power plants (referred to as CAES) is also very important. Although our understanding of compressed air energy storage power generation is not deep enough, this technology can store green electricity for a long time and economically. Atlas company says it works like a pumped-storage power plant, where the air compressor compresses the air into compressed air at high compression ratios. between 1~20 MPa, different pressures can be achieved according to the different types of this system. At the same time, compressed air in this way is temporarily stored in a suitable container. When using these compressed air, the turbine unit (turbine plus generator decompression) is driven by stored compressed air, and the generated electricity can be fed into the grid. To be able to directly apply this new technology in practice, Atlas company has cooperated with community wind farms in Schleswig-Holstein region to summarize the key data of A-CAES( adiabatic) compressed air energy storage system. The conclusion is that this system is more economical than other power storage systems. Besides, A-CAES also has the advantage of infinite recycling in theory. conventional power storage mode will have the problem of battery and hydrogen fuel cell aging and lose the ability to store electricity because of its aging, which reduces the performance of storing electricity, but the service life of A-CAES system is only affected by mechanical parts and very small shrinkage factors. Divergent air pressure networks Boge company also offers new testing and analysis services as part of the company's continuous improvement plan (CIP). This is done to enable the connected air compressor to continuously provide sensor detected air compressor working condition data, and then pneumatic technology software can judge these data. For example, when the air compressor motor force device is abnormal, the user's mobile terminal device will receive a prompt message. This software system can also provide a forecast of the operation of the air compressor, that is, the possible wear alarm of the air compressor. CIP constantly verify the mechanical properties of the air compressor and provide the corresponding data to the manufacturer. Manufacturers analyze these data to identify potential for improved optimization, such as measures to further reduce energy consumption. Boge company in the CIP framework, for users to provide free air compressor hardware and software upgrade services. Aerzen company has recently launched technical services AERaudit energy efficiency analysis in sewage treatment plants. Eighty per cent of the total energy needs of wastewater treatment plants are for biological aeration, as there are high-energy blower stations. Nowadays, users can collect the energy consumption data of ventilation and aeration in real time with a mobile measuring equipment. This instrument can detect the data of flow rate, system pressure, temperature and power consumption in real time, and record it according to the load of sewage purification equipment. Based on these data, Aerzen company will provide users with more efficient energy saving solutions. the Aerzen company uses 3 digits to indicate the quality of compressed air, the first number to indicate the particle concentration in compressed air, the second number to indicate the moisture in it, and the third number to indicate the residual oil vapor content in compressed air, as specified in the ISO 8573.1 standard. For the detection of residual oil steam, Beko company is expanding its range of products in the field of measurement technology. Compared with the previous detection instruments, the new Metpoint OCV compact detector has a shorter detection period and a modular structure design. Therefore, the new instrument has the characteristics of compact device, convenient installation and use, and more powerful performance, at the same time, it also has higher precision of compressed air residual oil steam detection. some production processes, e.g. ACU Pharma und Chemie company requires no residual oil vapor in compressed air, which uses a special jet mill that requires very clean and dry compressed air to achieve the best micro-powdering process. In the past, the company used three screw-type air compressors lubricated with lubricating oil, using a complex centralized control combined with decentralized control of compressed air oil-free treatment system, which includes an activated carbon adsorber to adsorb residual oil steam. In the expansion of the air compressor station, the enterprise to upgrade all air compressors, its purpose is to produce oil-free and dry compressed air for economic, flexible and high reliability. Through careful consideration, four DH type oil-free air compressors developed and manufactured by Gardner Denver company were selected, including compressed air treatment system. DH series of air compressors using the new air compression technology is trustworthy. The lubrication, sealing and cooling of the cylinder block of the air compressor are all done with water. This not only realizes the clean, oil-free compression process, but also can produce compressed air efficiently. Design Principle of Low Loss The air compressor station is usually designed according to the principle of modularization, which uses the energy-saving motor of grade IE3 and IE4 to ensure the basic compressed air supply. When the gas peak is used, the peak load air compressor can be used flexibly to meet the increased compressed air demand. In the future, high efficiency air compressor will be used to ensure the air supply under partial load condition. Kaeser company developed and produced ASD series of screw air compressor with adjustable speed to provide high performance and working reliability, volume flow of 3.15~5.5 m3/min, with low energy consumption, small area. The series of air compressors use synchronous reluctance motors developed and produced by Siemens, which are 10% more efficient than induction motors in partial load conditions. The energy-saving variable-frequency motor can also drive the RSF 87D screw air compressor developed and produced by Renner company. The core component of this air compressor is the compression module, which can best match the other air compressor components designed by the modularization. Therefore, the whole air compressor can be accurately designed and manufactured according to the requirements of the user for compressed air. Finally, it should be noted that the purchase of air compressor only focus on the cost of procurement, deviate from the most favorable solution, the sum of each efficient component is not necessarily reasonable overall benefits.

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