asics running shoes Supercritical units in China's

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Supercritical units in China's development

The untreated condensate into the boiler will take all the impurities, precipitation in the transition zone soft drinks, to adversely affect the safe operation of the boiler. To this end, proposed a similar unit with wet, according to the condensation temperature of 70 ~ C, the air cooling unit as full-fat back pressure of about 32kPa (wet unit has been standardized as 11.7kPa), the northern cold regions, a small number of hours less fat in the 220h / a; for water than the South and the region need to take air cooling may be greater than 220h / a, which is the world's only 2X420MW supercritical air-cooling unit (installed in Australia) the practice of the unit the hottest summer when allowed to drop the load to 360MW, but the measures need to obtain grid scheduling sector companies, especially the understanding and support. 7 heating unit is currently heating unit and steam cylinder of the same unit, therefore, 600 ~ 1000MW supercritical and ultra supercritical heating unit is being developed and used in engineering,[link widoczny dla zalogowanych], but all work in the early design process of power handling test rJ years o'-; TJ 1 29 Ken Tam flies day and wilt in China. ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... .... Hide Yuk earthquake snapped supercritical unit with 8 on the view (1) the current resource conservation as a national policy of China has, in the \%, but the first half of this target is not up instead of down, can not fail to attract much attention. Therefore,[link widoczny dla zalogowanych], the long term, taking into account the energy requirements, coal prices increased year by year and equipment at home to reduce the gap after the cost and other factors, can not simply calculate the current economic accounts. (2) However, the choice of steam parameters should take appropriate advance approach, considering the lack of performance risk, to learn from the United States and China supercritical circulating fluidized bed boiler unit development experience, should not \. (3) this should be adapted to local conditions, such as supercritical and ultra supercritical consider the difference; eastern coastal areas of high coal prices, coal pit low-western region and the differences with other regions; burning fuel that is whether to adopt the W-type furnace ; whether the water that is, whether by air cooling unit and the utilization hours of thermal power size and other factors. Scientific and rational decision. (4) supercritical units can save, but it usually sliding pressure operation,[link widoczny dla zalogowanych], if the low utilization hours of thermal power, which most of the time running in the sub-critical state, the energy savings will be discounted. (5) The large capacity units can be energy-saving, under normal circumstances, will reduce the investment per kW, but its availability also need to practice how to verify. Turbine and boiler components more, even though the probability of an accident the same individual components,[link widoczny dla zalogowanych], the total unit rate from a theoretical point of view down will also increase, which is probably far fewer than 20 million around the world one of the main unit. Short of any new technology has its own characteristics, advantages or disadvantages,[link widoczny dla zalogowanych], and only correct understanding of them can be reasonably used. The above views for discussion. (Continued from page 24) one of the 11, one, one is the right film based on the baseline as the weight space coordinate system; 11,,, one P-chip based on the right in the image space coordinate system of coordinates, because the general image space coordinates of the third dimension is a _ plant, so in the front also added a negative sign; 11,,, a p f is the right piece of space coordinate system as coordinates. By (4) have the right expression for the nuclear line: = (A / B ') 11,' + (C '/ B) _ Factory (5) where: A = VsP + sPB = Us + M. C: UsP-VsP [M a] = [Yp _ a plant]. / 'I / / 21Lupp a p3xP-j3 [u]: [. ] For the rotation matrix. This approach involves seeking the middle line of the same name a few nuclear coordinate system conversion, an abstract principle, not easy to understand, will force 30-eup, investigation of child} snow 2fj. / RJ2 1 month to be on photogrammetry very familiar with the different coordinate conversion; but the solution was relatively simple form of expression. 3 Conclusion With the photogrammetric processing increased automation, less manual intervention components, directly tilt the application of nuclear-ray image will be more widely because of its fast processing speed, and not rely on the advantages of targeted results. References: [1] Chen Ying. Digital photogrammetry remote sensing images. Shanghai: Tongji University Press, 2003. [2] Zu-Xun Zhang, Jianqing. Digital photogrammetry [M]. Wuhan: Wuhan University Press, 2001. [3] Li-Hua Xu, Yan Ping, Jiang Wanshou. The level of the nuclear line aerial image generation method [J]. Zhengzhou University (Engineering Science), 2004,25 (4). [4] Lihua Guang, Chen Ying. Corrected based on the digital image generating method of the nuclear line [J]. Shandong Institute of Architectural Engineering, 2004,19 (4).
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