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Fundamental Research
Basic research enterprise can not be equated universities and research institutes of theoretical research, enterprises do not have the theoretical study of the theory of knowledge. Business services, basic research must solve practical problems. Green foreign company to carry out basic research, just as the "market demand-oriented, to apply the result as the goal" to provide technical support. To carry out three research directions: the external and internal, and the future.
1, external: to carry out the level of integration for the ESP program to improve collection efficiency study
As we all know, the dust emission limits continue to lower exports from 100mg/Nm3 reduced to 50mg/Nm3, will be performed 30mg/Nm3 standard ESP technology ready? Faced with this problem, companies have a responsibility to explore. Therefore, the first Green foreign companies in the industry, proposed a high-voltage integrated control system of the overall technology solutions, combined with self-developed high-voltage three-phase rectifier energy electrostatic precipitator power supply, the purpose is to achieve the discharge standards of technical 50mg/Nm3 support. April 2006, Henan Aluminum Plains kiln # 1 single - three phase high voltage power supply comparative test project as a starting point to explore the study of vibration and high operating status, and to explore high-pressure operation status and timing of the best rapping match.
ESP operation can reflect a variety of electrical problems, and the electrical operation of the manifestation of VA curve and the second voltage / current waveform. Three-phase high voltage power supply applications, in theory, than the single-phase power can be increased by 35% of the average output voltage, greatly improve chances of charged dust, how to really make the improvement of three-phase power output average voltage translate into improved dust efficiency? To prove this conclusion. Must better understand the performance of electrostatic precipitators may affect the potential problem, we must use the secondary voltage waveform VI relations and evaluation of ESP internals. Our understanding of normal operation of the VI curve; high resistance when compared with the VI curve was shifted to the right; back corona may occur when the VI curve inflection point or the secondary voltage waveform is lower than the corona inception voltage Valley; how to adjust the timing and three-phase high-pressure vibration power matching, to avoid and mitigate the VI curve was shifted to the right or the occurrence of back corona, to maximize collection efficiency, the transformation to achieve electrical discharge.
Different conditions of the VI is running is a long-term worth discussing and studying the problem, if all the VI in normal operation, all of the electrostatic precipitator can be reached. At present, there is most of the VI curve is not normal, the vast majority of non-compliance is a common phenomenon. Analysis to understand the VI curve and the second wave is to seek technical solutions to solve the necessary conditions. Green Ocean is only applied electric company level integration technology to improve the verification to the VI curve, has been fairly good results. The next step must be deep into the electrical / body integration, and validation studies VI curve.
2, internal: to launch a new product development and production process simulation technology research matching
Three-phase thyristor voltage regulator technology is very popular, in theory, be considered not a new technology. However, the development of Xiamen Green Ocean ESP electrical three-phase high-voltage power rectifier why the energy expert can be identified as the international advanced level? Why be selected as the State Environmental Protection Association, National Environmental Protection practical technology? The key is to complete the three-phase high voltage power supply solved the problem of spark flashover blockade, while similar products only solve the problem of three-phase synchronous trigger, not the true sense of the electrostatic precipitator with high voltage power supply, because the electrostatic precipitator high voltage power supply The key core technology is to have high strength and reliable spark flashover control technology.
Green Ocean as early as 1997, the company developed a dynamic simulation debugging spark units, can be full-wave simulation of spark discharge and fault alarm state. 10 years, in the electrostatic precipitator power supply industry in China, Xiamen Green Ocean's high-voltage control cabinet is the only factory, not the FBI and the rectifier transformer. Three-phase high voltage power supply developed in 2004, the synchronization of the basic research work is to spark the development of three-phase dynamic simulation debug units. For three-phase high voltage power supply can also spark flashover at the operating voltage 380V to visit real development, simulation is completed, the actual simulation of high-pressure tests before entering the field debugging. Different development tools, determine different results. Green Ocean spark flashover electrical control means significantly better skill development, the Green foreign electrical three-phase high voltage power supply of course, on behalf of the international advanced level.
Another basic research that is independently designed and developed a special high voltage rectifier transformer production line, and peer-reviewed by Science and Technology Bureau of Xiamen received 4.487 million yuan technology transfer contract, the amount of results, but also China and the industry's only dedicated production lines form a gain. This is a meet international production standards and inspection requirements of the rectifier transformer production line, which is mainly from the high and low voltage winding machine, vacuum drying room and vacuum oil filtering systems, and comprehensive inspection and testing instrumentation and simulation field, representing the advanced production levels. For future development and production of new transformers to provide a favorable process support.
3, for the future: electrical / body integration, transformation to meet the discharge standards of research 30mg/Nm3
Creating its own national brand, leading the industry's technological progress, which is green Sanyo Denki philosophy. Kiln in 2003 assumed the spray humidifier and thermostat control pulse cleaning bag design and manufacture control systems and on-site commissioning, and Professor Lin Hong Taipower to develop China's first combination of filter bags, cement factories in the Shanghai Pudong put into operation successfully, the results of several tests emissions below 30mg/Nm3, thus boosting the power - combination of filter bags of the rapid rise. 2006, in cooperation with Nanjing Yi Nike, Japan, Hitachi's mobile application electrode technology, design and development of China's first mobile electrode ESP, three electric dust removal efficiency of 99.89%, exports of emission test results 21mg/Nm3; continuous operation of three years later, in 2009, emissions test results 27mg/Nm3. At the same time period 2006-2009, the application of three-phase high-power technology continues to explore and 30mg/Nm3 50mg/Nm3 discharge of electrostatic precipitator rehabilitation programs, to achieve good application results. The next step is to be carried out electrical / body integration to meet the discharge standards 30mg/Nm3 transformation strategies.
