Archives – July, 2010
Business processes in these days more and more on technology, which is attached to a source of clean, reliable energy for power generation. As industries turn increasingly mechanized and computer automation, an unprecedented burden placed on already overburdened electrical infrastructure work around the world. It was a surprise in the developed world. Managers are now rationed with the real prospect of energy and power issues to face. If another part of their activity is not powerless, they need other ways to secure supply and research / or his family. The correct choice of the uninterruptible power supply (UPS) is more important today than ever. What is an uninterruptible power supply (UPS)? An inverter is located between the grid and the “burden” (equipment and systems in a building or data center that require a continuous source of electricity). In their simplest form, a condition UPS power, he converted to AC / DC, and the problems of denial, including electrical brownouts potentially dangerous power surges, brownouts and fluctuations. In the case of power failure throughout the network, the UPS powers the load begins its backup battery until another source of energy. In other words, an uninterruptible power supply can make the difference between life and death for some companies. Different types of UPS There are three main types of uninterruptible power supply: • Online Conversion or Double • Line-Interactive • Offline (passive or standby). A double conversion online UPS or maintains voltage and frequency changes within the limits prescribed output is independent of voltage fluctuations. In addition to air power to negate the problems is the only UPS solution that provides the supply system clean break or data center during a power outage. Line Interactive UPS uses a built-in passive control devices and electronic stability control voltage. For AC power is present, the output frequency of the track entering the UPS grid. Line-Interactive UPS Online with rackmount or tower “case sizes and sit next to their respective offices, typically in a data center or computer room. An offline passive standby UPS is a compact unit for desktop or wall, which uses its own output to the voltage and frequency in the supply rails. UPS Extended Benefits Besides the obvious benefits of continuity and power conditioning for a data center or computer room, large inverters can operate in parallel to improve system resilience, MTBF (Mean Time Between Failure) and availability. For a network size of uninterruptible power supply, allows the installation of a UPS maintenance bypass external-routine or emergency maintenance to be performed (without interruption) during normal working hours. Extended runtime (the time of a load on backup systems) may be provided by a combination of batteries and an external power source, such as an emergency generator or fuel cell in the process of enforcement regime. The transformation system based on UPS While many are transformerless UPS, organizations depend on large data center and voice networks, industrial processes, security applications and the hospital often need a transformer according to UPS. This gives a more robust, but with slightly lower efficiency and greater heat and noise. essential protection against power outages and rationing And industrial processes, uninterrupted power supply can be used for large systems of the entire site to be protected. Smaller office units to the largest plants in redundant parallel system of appropriate size and reliable UPS, supplied by a manufacturer established as Riello UPS Ltd, the necessary protection against the growing risk of outages and rationing electricity.
July 9, 2010
Although there is a rapidly growing solar wafer shipment, it has been less than the increase of solar cells downstream, so cute the ongoing shortage of solar wafers, which is due to higher prices of polysilicon and the lack of platelets, platelet selling price increases in the second 25 USD / W in 2006, the second 15USD / W in 2005. 2 and 38 USD / W in 2007H1, we estimate that the trend will continue in 2007H2 and the ASP in 2007 to the second 40USD / W. On the supply and demand is the shortage of 16 MW in the wafer 2005,140 MW in 2006, and will be expanded to 180 MW in 2007, after? 2007 China Solar Silicon Wafer or ingot industry research report forecasts for 2008 and subsequent years is still far from platelets. However, falling prices of solar cell module to continue in the coming years will bring some reduction in prices (not many) of platelets. As the continued shortage of wafer and increase strong downstream demand, more and more investors from the industry platelets and platelet production as quickly increase its capacity, despite the expansion of capacity is easy increasing shipments of chips is not easy due to lack continue polysilicon. 2006 solar wafer shipment multi-crystal silicon was 110mW, while only sending crystal silicon wafer was more than 280 MW of monocrystalline silicon wafers is much more than sending multi silicon wafer crystal, it is very different when the international situation as a transfer wafer multi-crystal almost twice silicon single crystal wafer shipping. China local single crystal silicon wafer was second 7times sending multi silicon wafer crystal. The main reason for this is single crystal silicon wafer is as multi crystal silicon wafer as the key production equipment pulling machine is easy to obtain in China with low cost, multi, while Crystal DSS furnace only can foreign market with a high price. Buy. but this situation will change in 2012, after? its 2007 China Solar Silicon Wafer or ingot industry research report forecast, 2012 China local multi sending crystal silicon wafer will require five times the first silicon single crystal wafer shipment, mostly to change very few projects Important crystal wafers with several downstream customers and multi crystalline silicon wafer is cheap and quite good. 2006 turnover of platelets in China was 899 million increased 191% to 309 million USD in 2005. In 2007, revenues will increase by 148% compared to 2006 reached 2.226 billion, and it helps maintain a high rate of more years to come. Based on the use of the polysilicon shortage, total utilization of China wafer less than 50% though the downstream demand is large. The load increases gradually in the coming years and reach 60%, or after the forecast year 2007, China Solar Silicon Wafer or ingot industry research report. China as the largest manufacturing base of solar cells, most pads have been sold to local customers but also sold more than 20% market overseas, has sold the largest region Taiwan market overseas, the European Union, USA, Kore, Japan also request some. About Rae materials, as polysilicon shortage and most manufacturers of polysilicon to be completed by the end of 2008, almost all raw materials from renewable resources, or high polysilicon prices spot market. Some large and famous manufacturers (such as Yingli Solar Trina Solar etc Jinglong LDK) has signed contracts long term supply of polysilicon, but most of the contract can not supply polysilicon before 2009. Sun hardware revewable polisilicon and high spot market prices for raw materials will be the largest in the industry in China local wafer. Incidentally, almost all manufacturers of hard net income is higher than cell suppliers, some companies reported net income rate is over 30%, it brings many new features, as most suppliers may stop selling the solution of the fab force offer. Investors who have capital, downstream clients, and the type of relationships with suppliers of raw materials upstream of this industry is, in fact, the proposed wafer almost all large and large occurred in 2005 – August 2007. and also some news in the coming years in power. Thus, competition in the wafer industry in China will be severe. The researchers suggest that the new owner is a great advantage of raw materials in the competition’s own forces. China Solar Silicon Wafer or ingot Industry Research Report is a report mainly introduce China to the chain of the solar wafer industry, including the portion of the report contained in the upstream industry: sources of polysilicon raw materials, Furance (ingot pulling machine DSS furnace), wire saw equipment (square wire saws) sources and quantity. wafer ingot bullion content industry wafer supply shipments sales demand price revenue net income and capacity utilization, expanding information Information on equipment, manufacturers, etc.; content downstream retail customers : demand of wafer, downstream clients by manufacturer, regional sales and market share, etc. The investigation and research of the industry chain of platelet Overall, the report may show an in-depth introduction and an excellent subject for the wafer industry in China and is suitable for investors for marketing and strategic planning company. Contents: Introduction 12 First Solar Grade Wafer Industry Executive Summary The 43rd Transport and turnover .2005-2012-174. 235th selling price of wafers manufacturing capacity utilization and 0.2005 to 2007 276th Equipment and raw materials (polysilicon) 297 Solar wafer manufacturer 328th Key Conclusions and proposals 167
July 7, 2010
Canada Blower Co. ia a developer of various types of gas units makeup air for ventilation of industrial buildings. Gas pressurization units move large volumes of air at low temperature differences (most often 50 ° or less), a strategy for the temperature stratification in the larger rooms, which are used to reduce heat. The equipment is mounted generally supports the roof of the factory or in the degree of increase for the air supply comes high. The air flow at high flow allows a more “throw” the air, which cover less material in the desired location. The most common fuel is natural gas, but converted to burn propane appliances. There are two broad categories of gas Ahus: direct and indirect shot fired. indirect-fired plants to burn the fuel-air mixture in a heat exchanger during the flight to the space depends on the outside of the heat exchanger. In this design, the combustion products travel through a hole outside the building. Direct-fire units use air that is sent to the heated space for combustion without heat exchanger. The products of combustion is directly mixed with large amounts of outside air. This mixture is as safe as the high bypass ratio. In addition, the complete combustion of natural gas is such that no harmful products of combustion into the wind. A product of combustion is water vapor, which can be problematic with the construction very closely because of the risk of condensation in cold climates. For buildings dense, it is preferable to use indirect fired plants to be tested. There are different configurations of direct-fired units. 80/20 The design can vary the amount of outdoor air 100% to 20%. The burner has a control zone high and must be pulled over just outside the burner air. The volume of discharge air is fixed and the amount of outside air can be adjusted to maintain the building pressure. The configuration of the makeup air unit is ideal for providing large amounts of replacement air for the installation of exhaust systems. These systems can spray booths and other industrial applications in the exhaust system. These devices provide a fixed amount of 100% outdoor air. ventilated units around a fixed 80% of the air while bringing in 20% of outdoor air that goes over the burner. They provide a minimum ventilation of rooms, not to receive large amounts of outside air to pressurize the building. Variable Air Volume VAV units have a different amount of air and work similar to the design 80/20, but the airflow passes through a passage section instead of the system. This type of device can be used in applications where building pressurization is desired and where the contaminants are in the room used to be assigned. Installation, operation inside the vehicle are often accumulate carbon monoxide fumes and associates. For such cases, a sequence of open ventilation to limit this potentially damaging buildup. The pressure units for this building could with a carbon monoxide detector with an initial value, for example, that 50 ppm of an alarm and energize a timer. When the condition is continuing, for example, five minutes is modulated, then the return air damper is closed and the air valve on the outside is the modulation of 100% in the open position. A second set value of 100 ppm would trigger an alarm, then turn off the burner. The shocks would then be positioned so that the exhaust mode. After carbon monoxide to a safe level, the sensor could return the device to normal operation. In addition to the emergency ventilation to purge carbon monoxide, the pressurization unit can be a source to provide ventilation during the warm months and warm year round. A thermostat would be acting contrary to modulate the outdoor air and exhaust air dampers to keep the air more outside in the set point inside. These units can be optionally fitted with chilled water or DX cooling coils has started, or to provide air-conditioning, the room during the summer months. pressure plants are direct-fire efficiency of about 93%, with which most of the available energy is burned in the natural gas delivered to space as heat. The supply of air takes the heat that would normally be lost through a chimney or flue, as in indirect-fired configuration. A characteristic of this type of equipment is especially important in cold climates, its ability to easily maintain the building typically at 0 pressure. 01 “WC. This reduces the penetration of cold air, and when these doors are open, the outside air registers are open to allow more air to maintain this pressure modulated. This function is also the virtual lines in the air where it should go: to spread the cracks or areas with the doors open. pressure plants direct-fire can provide ventilation to a facility if it is the 80/20 system as described previously configured. infrared systems can be supplemented with separate ventilation. For certain types of institutions, the infrared system would be more equipment for ventilation, large structures with many doors would be adequate for natural ventilation through leaks. Gas pressurization systems solutions good for heating large structures such as warehouses, distribution centers, airplane hangars and manufacturing facilities. Situations, the significant positive pressure ventilation for treatment of air and require plants, dust, smoke and other pollutants generated. cleaner environment with less need for intensive ventilation would do well to go with the approach of infrared thermal radiation. In very cold climates, it may be wise to go with a hybrid solution with the radiant heat to the perimeter of the primary source of heat and pressure units placed in the center of the ventilation system and pressure where the doors are open. For more information, see http://canadablower is the website of the Canadian Society fan. com / index. html. Susan TerlitskiIndustrial Makeup Air Systems EngineerCanada Blowerhttp: / / canadablower. com / ahu / index. htmlhttp: / / canadablower. com / OEM / index. html
July 5, 2010
Deep Research Report on China Polyethylene Industry Report (http://www. Bharatbook. Com / market research-reports / Deep Research Report on China polyethylene industry. Html) has been published by Chemical Industry Research Team in April 2009th He was a research professional and thorough China polyethylene industry. We make a detailed analysis on companies polyethylene over 30 major refining companies, including key projects of the “eleventh five year plan”. In the report, the following will be addressed: China polyethylene sale of the filing of the application of supply and marketing of technology (hardware) information, the production of polyethylene and China demand from 2008 to 2013, China Polyethylene Polyethylene Company cost of the average production capacity of production sales value Net income information, etc.; China Polyethylene Company Product Information (including LDPE, HDPE, LLDPE and Information Technology information), analysis of upstream resources (included: crude oil, the monomer ethylene, etc. raw material and related supply chain source equipment and supply relationship); downstream customer or needs assessment, (includes: sales of customer contracts, etc.), polyethylene industry in China, developing trend analysis technology (tubular reactors, reactors, autoclaves, gas phase process, solution process , etc.) prices, etc., the development trend of China’s industrial polyethylene and conclusions, in short, was a thorough search on the chain of China polyethylene industry. And thanks to the marketing of polyethylene China or technology experts support and assistance during study Chemical Industry and team interviews. Polyethylene Industry Overview Definition of the classification of polyethylene and chain structure of the industry under the global financial crisis on the industry in China and polyethylene manufacturing cons-measures, technologies and process of polyethylene low density polyethylene (LDPE) production process linear low density polyethylene (LLDPE) production processes of high density polyethylene (HDPE) production in China in 2008 Various types of polyethylene production (kt) and plant polyethylene share in China chemical plant used in China polyethylene Productions Saless supply and demand situation and market forecast 2009-2013 Productions Overview polyethylene demand and supply of polyethylene and polyethylene demand from China cost price value of earnings margin ChinaPolyethyleneORContact us at: Bharat Book BureauTel: 27578668Fax 91 22 91 22 27579131Email: info @ bharatbook. : Www ComWebsite. bharatbook. com
July 2, 2010