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換熱器堵塞的解決方法

換熱器堵塞的解決方法

換熱器堵塞的解決方法


缅甸锦福国际  為防止換熱器碳鋼的腐蝕,也采取兩項措施:一是將兩臺分子篩純化器中心管的材質由原來的碳鋼改成不銹鋼;二是將碳鋼材質結構的膨脹機后冷卻器,更換成不銹鋼結構,以確保空分裝置安全、長周期運行。

In order to prevent the corrosion of carbon steel heat exchanger, but also to take two measures: one is the two sets of molecular sieve purification device central tube material changed by the original carbon steel stainless steel; the second is the carbon steel structure of the expander after cooler, replaced by a stainless steel structure, to ensure that the air separation device is safe and long period running.

  為避免主換熱器再發生堵塞故障,可采取以下措施:

缅甸锦福国际The following measures can be taken to avoid the trouble of the main heat exchanger:

  1)增加監測點。在空分裝置改造時,臥螺離心機在主換熱器的每個板式單元的各個通道的進出口管線上增設了溫度測量點。

1) increase the monitoring points. When the air separation device is reformed, the temperature measuring point is added to the inlet and outlet pipeline of each plate unit of the main heat exchanger.

  2)清洗主換熱器。對主換熱器進行清洗,同時增加輔助換熱器單元。

2) cleaning the main heat exchanger(www.hreqi.com). The main heat exchanger is cleaned, and the auxiliary heat exchanger unit is added.

3)加強現場的檢修施工管理。要求對檢修實行全過程控制。在裝、卸分子篩之前,都必須在中心管上法蘭處加裝盲板。并采取專人負責、重點監督的方式,嚴格執行設備檢修驗收程序,嚴格把好檢修質量關。進一步完善檢修后的工藝處理步驟。對檢修過程可能對設備造成的危害和隱患進行充分的評估,并制定相應的應急方案,最大限度地減少故障發生的可能性。 

3) to strengthen the maintenance of the site construction management. Requirements for the maintenance of the whole process of control. Before loading and unloading the molecular sieve, the blind plate must be installed on the flange of the central pipe. And take the person in charge, the focus of supervision, strict implementation of equipment inspection and acceptance procedures, strict quality inspection and maintenance. Further improve the process after the repair process. Full assessment of the hazards and hidden dangers caused by equipment in the process of maintenance, and make the corresponding contingency plans to maximize the possibility of reducing the occurrence of faults.


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