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厂家分析列管式冷凝器需要经常清洗的原因

人气:5 评论:0 日期:2019-01-11 10:01:00

列管式冷凝器的结垢对凝汽器的性能有很大的影响。它不仅增加了汽轮机的端差,而且降低了汽轮机的真空度和排气温度。它影响汽轮机的经济性和安全性。专业人士应该知道,列管式冷凝器的设计、制造和运行的好坏直接影响到机组的经济性和安全性。这与列管式冷凝器清洗的需要有关吗?接下来冷凝器厂家就为大家来解决这个疑惑。

Scaling of tubular condenser has a great influence on the performance of condenser. It not only increases the end difference of the turbine, but also reduces the vacuum and exhaust temperature of the turbine. It affects the economy and safety of steam turbines. Professionals should know that the design, manufacture and operation of tubular condensers directly affect the economy and safety of the unit. Is this related to the need for cleaning tubular condensers? Next, the condenser manufacturers will solve this problem for you.

1、在汽轮机组热力循环中起着冷源的作用,会降低汽轮机的排气温度和排气压力。我们经常清洗列管式冷凝器,可以有效提高热循环效率。

1. It plays the role of cold source in the thermal cycle of steam turbine, which will reduce the exhaust temperature and pressure of steam turbine. We often clean the tubular condenser, which can effectively improve the thermal cycle efficiency.

2、列管式冷凝器的主要功能是在汽轮机排汽口处建立并保持较高的真空度,二是在汽轮机凝结水作为锅炉给水形成一个完整的循环,可与循环水换热,维持高真空。而冷却管真空度低会严重影响电厂的安全经济运行,凝汽器冷却管结垢是凝汽器真空度低的重要原因之一。

2. The main function of the tubular condenser is to establish and maintain a high vacuum at the exhaust nozzle of the steam turbine. Secondly, the condensate water of the steam turbine is used as the feed water of the boiler to form a complete cycle, which can heat exchange with the circulating water and maintain a high vacuum. The low vacuum of the cooling tube will seriously affect the safe and economic operation of the power plant. Scaling of the condenser cooling tube is one of the important reasons for the low vacuum of the condenser.

3、长期以来,列管式冷凝器的传统清洗方法如机械法(刮、刷)、高压水、化学清洗(酸洗)等,在设备清洗中存在许多问题。不清楚沉淀物,如沉淀物,酸液对设备造成腐蚀,残酸会产生两次腐蚀或腐蚀,最终导致更换。此外,清洁废液是有毒的,需要大量资金用于废水处理。

3. For a long time, the traditional cleaning methods of tubular condensers, such as mechanical method (scraping, brushing), high-pressure water, chemical cleaning (pickling), have many problems in equipment cleaning. It is not clear that sediments, such as sediments, acid will cause corrosion to equipment, residual acid will produce two corrosion or corrosion, eventually leading to replacement. In addition, clean waste liquor is toxic and requires a lot of money for wastewater treatment. 

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