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中央空调循环水系统污垢的危害!

来源: 日期:2018-12-26 发布人:admin
  中央空调循环水体系尘垢的损害
  Damage of Dust in Circulating Water System of Central Air Conditioning
  中央空调循环水体系存在的结垢、腐蚀及微生物繁殖会给中央 空调的安全运转带来以下严峻的损害。
  Scaling, corrosion and microbial reproduction in the circulating water system of central air conditioning will cause the following serious damage to the safe operation of central air conditioning.
  1下降换热效率
  1. Reducing heat transfer efficiency
  大都换热器由碳钢构成,碳钢的热导率为46.4一52.ZW/m· K).但碳酸盐垢的热导率为0.464一0.697W/(m·K).只要碳钢的1%左右.由此可见.水垢或其他沉积物的热导率比金属低得多,因而,当水垢或其他沉积物掩盖在换热器的换热表面时,就会大大的下降换热器的换热效率。
  Most heat exchangers are made of carbon steel, and the thermal conductivity of carbon steel is 46.4-52.ZW/m.K. However, the thermal conductivity of carbonate scale is 0.464-10.697W/(m.K). As long as about 1% of carbon steel is used, it can be seen that the thermal conductivity of scales or other deposits is much lower than that of metals. Therefore, when scales or other deposits are concealed on the heat exchange surface of heat exchangers, the heat transfer efficiency of heat exchangers will be greatly reduced.
  2使循环水量减少
  2. Reduce the amount of circulating water
  沉积物或微生物黏泥掩盖在换热器的换热管壁上甚至堵塞换热器管, 使得循环水通道的截面积和通水量减小.然后使换热效率进一步下降。
  Sediment or microbial sludge concealed on the heat exchanger wall or even blocked the heat exchanger tube, which reduced the cross-section area and water flow of the circulating water channel, and then further reduced the heat transfer efficiency.
  3下降水处理药剂的运用效果
  3. Effect of Dropping Water Treatment Agent
  沉积物以及微生物勒泥掩盖在金属表而.阻止了水中的缓蚀剂、阻垢剂和杀生剂抵达金属表面发挥缓蚀、阻垢和灭菌的作用. 而且有些微生物还会同一些水处理药剂发作反应,然后损坏和下降了这些药剂的运用效果。
  Sediments and microbial sludge cover the metal surface, preventing corrosion inhibitors, scale inhibitors and biocides from reaching the metal surface to perform corrosion inhibition, scale inhibition and sterilization. Moreover, some microorganisms react with some water treatment agents, and then damage and reduce the effectiveness of these agents.
济南空调维修
  4加快腐蚀
  4. Accelerate corrosion
  沉积物和微生物垢的产生,促进了浓差腐蚀电池的构成及垢下腐蚀的产生,然后使金属的腐蚀加快加剧。
  The formation of sediment and microbial scale promoted the formation of concentration corrosion battery and corrosion under scale, and then accelerated the corrosion of metal.
  5缩短设备的运用寿命
  5. Shortening the Service Life of Equipment
  一方面,沉积物和微生物黏泥等掩盖在换热器表面,阻止了设备的有效换热,然后使换热面上的金属处于长期高温热负荷状况。导致金属疲惫;另一方面,腐蚀的发作会导致设备换热管管壁变薄,尤其是垢下腐蚀会导致设备穿孔泄漏,这些情况的发作,使得设备的运用寿命被缩短。
  On the one hand, sediment and microbial sludge cover the surface of heat exchanger, which prevents the effective heat transfer of equipment, and then makes the metal on the heat exchange surface in the condition of long-term high temperature heat load. On the other hand, corrosion will lead to the thinning of heat exchanger tube wall, especially the corrosion under fouling will lead to the leakage of equipment perforation, which will shorten the service life of equipment.
  6增加运转成本
  6 Increase operating costs
  为使设备坚持足够的换热效率,有必要采纳诸如增加水量等办法,一起为维修因腐蚀等原因形成的设备损坏,必然会增加费用. 然后增大B 设备的运转成本。
  In order to make the equipment maintain enough heat transfer efficiency, it is necessary to adopt such methods as increasing water volume, together with the maintenance of equipment damage caused by corrosion and other reasons, it will inevitably increase the cost, and then increase the operation cost of B equipment.

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