显示标签为“affecting factors”的博文。显示所有博文
显示标签为“affecting factors”的博文。显示所有博文

2017年8月7日星期一

Effect of Cooling Tower Filling Material on Frequency Control Technology in Cooling Tower

Effect of Cooling Tower Filling Material on Frequency Control Technology in Cooling Tower
Cooling tower is the use of water as a circulating coolant, from a system to absorb heat from the atmosphere to the atmosphere to reduce the water temperature of the device; the cold is the use of water and air flow contact after the hot and cold exchange to produce steam, steam evaporation to take heat to evaporate Heat dissipation, convective heat transfer and radiation heat transfer and other principles to disperse the industrial or refrigeration air conditioning generated by the waste heat to reduce the water temperature of the evaporative cooling device to the normal operation of the system, the device is generally barrel, named cooling tower The
Cooling tower is a comprehensive product integrating aerodynamics, thermodynamics, fluid science, chemistry, biochemistry, materials science, static, dynamic structural mechanics, processing technology and other disciplines. Water quality is a multivariable function, and cooling is a multi-factor, multivariable and multi-effect synthesis process.
The purpose of fan control and management is to realize the closed-loop automatic control of fan operation. According to the needs of production in advance to set the water temperature, climate climate by the impact of water temperature, the system heat transfer conditions on the impact of water temperature, with the temperature sensor measured in response to the measured value, ** end through the regulation of cooling equipment Consumption to stabilize the water supply temperature, to achieve self-control energy. It is generally believed that "frequency control technology" is the ideal way to accomplish the above process.
But the frequency control technology in the circulating water cooling tower fan control on the use of the following limitations and defects:
① "frequency control technology" can be very high temperature control accuracy, but this is not very important in the circulating cooling water system.
② the energy loss of the inverter itself (the average operating efficiency of less than 90 **) affect the energy saving effect.
③ variable speed operation caused by fan blades to change the angle of attack (wind angle), the fan from the operating point of the operation to reduce efficiency.
④ motor from the rated speed of low-speed operation, as well as speed, torque, power consumption between the non-linear relationship, but also to greatly reduce the operating efficiency of the motor.
⑤ frequency control system price is more expensive (about 1,000 yuan per kilowatt), new construction and transformation of old equipment need to be greater investment.
⑥ design must also consider the frequency converter running at some specific speed when the destructive resonance problem, and the frequency converter to produce strong electromagnetic pollution on other instruments such as interference
For more information, please visit our website: www.coolingtowerfiller.com, or contact us with E-mail, our E-mail address is rask@coolingtowerfiller.com, you can also chat us straightly on whatsapp: 008618330029204

2017年7月31日星期一

Factors affecting the operation of the cooling tower

     The cooling tower is a device in which water is exchanged for heat exchange with the flowing air, resulting in a change in water temperature,A common problem that hinders the normal operation of cooling towers is pollution. Inorganic solids such as dust, dirt, sand and silt are introduced from the atmosphere into the tower of water supply. These solids accumulate in the bottom of the basin, erode the circulation pump impeller, clog the nozzle, and in the heat transfer surface to form a large area covering, causing difficult to clean the situation.
    Another common contaminant in the cooling tower is organic solids such as leaves, grass chips, pollen, algae and bacteria. Compared with inorganic solids, organic solids tend to accumulate on the surface of the pot, nozzles and heat transfer surfaces. However, organic solids can pose a threat to human health.
    Managers have several ways to limit the impact of contaminants on cooling tower performance. Water treatment solutions can help reduce the amount of pollutants suspended in the water, limiting its ability to scale. This program can also help reduce the growth of organic pollutants.
    To limit the accumulation of organisms, we use two methods of water treatment - in the circulating water into the biological insecticide and ultraviolet antivirus. The bactericidal algae program must be designed to be in a specific environment where the tower is located and regular monitoring is effective. The UV system is installed indoors, and the circulating water is exposed to the intermediate level of ultraviolet light. Light is not dense enough, it can not destroy the majority of the body of DNA substances, or prevent its breeding.
    Our company's leading products are "Anlang" brand series FRP cooling towers, cool water towers, cooling towers, products are divided into circular, square counterflow cooling tower, cross flow cooling tower, no filler spray cooling tower, concrete steel structure cooling tower The At the same time the production of a variety of cooling tower filler, cooling tower fan, cooling tower motor, cooling tower with water distributor, cooling tower nozzle, glass fiber cloth and other glass steel cooling tower accessories, various types of glass steel containers, glass steel tank, Transport cans, chemical and environmental protection equipment, glass pipe, glass steel tank, glass steel fan, and so on more than 200 varieties, and according to user needs, non-standard design and production.
For more information, you can visit our website: www.coolingtowerfiller.com, or send us E-mail to rask@coolingtowerfiller.com, you can also chat us straightly on whatsapp: 008618330029204

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