Abrasion and corrosion of heating surface, superheater tube cracking and weld leakage are the main cause of waste heat boiler breakdown in sulphuric acid plant.
硫酸废热锅炉故障主要是由受热面管子的磨损、受热面的腐蚀、过热器爆管及焊缝漏水等引起的。
The results show that: the main reasons for the platen superheater tube failure are the inter-action results of long-time over temperature and short-time over temperature.
结果表明，该屏式过热器管失效的主要原因是长时超温与短时超温共同作用的结果。
Open the add volume should be slow to be careful, be well ahead of the superheated steam temperature of superheater tube wall temperature adjustment to strengthen supervision.
开大添加风量时应缓慢当心，应超前做好过热汽温调整加强对过热器管壁温度监督。
The main reason which causes the breakdown of marine boiler superheater is its inner corrosion, which is taken to be developed from the parts of tube top to entire top, and this leads to leakage.
鉴于某型舰用锅炉过热器破损的主因在于其内部腐蚀，而破损的主要方式是由管头的溃烂开始直至整个管头烂掉为止，导致管子的胀接松动而漏泄。
Measures should be taken to prevent the vertical snake tube from steam binding, iron oxide depositing, and austenite corrosion when superheater is cleaned.
过热器整体清洗时，应有防止垂直蛇形管产生汽塞、铁氧化物沉淀和奥氏体腐蚀的措施。
Through industrial testing of tube panel of superheater, the flushing flow velocity was determined, with difficult problems of superheater claming of operating boiler solved.
经过热器管排的工业试验，确定了清洗冲通流速，解决了运行炉过热器清洗的技术难题。
Analyzes reasons for tube blasting of steam superheater and recommends a kind of tube material which can better satisfy production requirements.
通过对蒸汽过热炉爆管原因进行分析，提出一种更能满足生产需要的炉管材料。
The furnace, U-beam separator, and superheater enclosures are constructed entirely of top-supported, gas-tight, all-welded membraned tube walls which do not require hot expansion joints.
炉膛、U型钢分离器，以及过热器的外壳由顶部支撑、气密、全焊接的膜式管墙构成，因此不需要膨胀节。
Abraded by flying ash and blowing ash, the tube wall of low temperature superheater of HP boiler was thinned during operation.
高压锅炉过热器在运行中受到飞灰、吹灰磨损，导致管壁减薄。
Therefore the service life of superheater is mainly dependent on the corrosion speed of tube top.
因此，过热器的使用年限全取决于管头的腐蚀速度。
The adopted technology scheme is: the reactor 2 adopts the straight tube with large external diameter and thin catalyst. The evaporating superheater 16 has the tubular structure.
所采用技术方案是，反应器2采用大外径、薄催化剂层的直管状，蒸发过热器16为列管式结构。
The adopted technology scheme is: the reactor 2 adopts the straight tube with large external diameter and thin catalyst. The evaporating superheater 16 has the tubular structure.
所采用技术方案是，反应器2采用大外径、薄催化剂层的直管状，蒸发过热器16为列管式结构。
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