1) J-shaped refeed valve
J形返料阀
2) "J"-shaped loop seal
"J"形回料阀
1.
Introduce the influence of "J"-shaped loop seal on the stability of CFB boiler,the method of determining key dimensions of "J"-shaped loop seal and design experience of air distribution system for "J"-shaped loop seal.
介绍了“J”形回料阀对CFB锅炉运行稳定性的影响,CFB锅炉J阀关键尺寸的确定方法,及CFB锅炉J阀配风系统设计经验。
3) refeed valve
返料阀
1.
In order to ascertain the causes and mechanisms of corrosion and abrasion failure,the demonstration analyses and experiments such as macro/microscopy and corrosion substance composition analyses were carried out on the broken section of the man-hole door of refeed valve and air-hood.
重点对返料阀人孔门盖及风帽吹气管断口的宏微观形貌、微区成分、腐蚀物组成等进行表征分析和试验,确定腐蚀磨损产生的原因及腐蚀机理;最后根据实际状况,提出相应的预防措施和建议。
4) manhole door of refeed valve
返料阀人孔门
5) J-Valve
J阀
1.
Research about the structure optimization of the J-Valve in the CFB boiler hasn t been Reported in home, and in abroad only reported experiment result of the effect of aeration top location on the performance of the regulating characteristic of J-Valve, which regards the aeration top location as single structure parameter.
关于循环流化床锅炉J型返料阀（以下简称J阀）结构的优化试验研究，国内未见报道，国外只报道了充气口高度这单一结构因素对J阀调节性能影响的试验研究结果。
6) return cone valve
回料锥形阀
1.
The constructions of return cone valve and deslagging cone valve in domestic 300 MW CFB boiler were in- troduced,the problems often occurred in the two cone valves operation were described,and the reasons causing these problems were analyzed.
介绍了国产300MW CFB锅炉回料锥形阀和排渣锥形阀的结构,指出了2种锥形阀在运行中经常出现的问题,分析了出现这些问题的原因并针对这些问题提出了相应的措施。
补充资料：溢流阀、顺序阀、减压阀的比较
溢流阀 | 减压阀 | 顺序阀 | ||
控制油路的特点 | 通过调整弹簧的压力控制进油路的压力，保证进口压力恒定，p2＝0 | 通过调整弹簧的压力控制出油口的压力，保证出口压力p2稳定 | 直控式－通过调定调压弹簧的压力控制进油路压力；夜控式－由单独油路控制压力 | |
出油口情况 | 出油口与油箱相连 | 出油口与减压回路相连 | 出油口与工作回路相连 | |
泄漏形式 | 内泄式 | 外泄式 | 内泄式 | |
进油口状态及压力值 | 常态 | 常闭（原始状态） | 常开（原始状态） | 常闭（原始状态） |
工作状态 | 进出油口相通，进油口压力为调整压力 | 进油口压力低于出油口压力，出油口压力稳定在调定值上 | 进出油口相通，进油口压力允许继续升高 | |
联接方式 | 并联 | 串联 | 实现顺序动作式串联作卸荷阀用时并联 | |
功用 | 定压、溢流或安全作用限压、稳压、保压 | 减压、稳压 | 不控制系统的压力，只利用系统的压力变化控制油路的通断 | |
进油腔压力p1控制阀芯移动 | 出油腔压力p2控制阀芯移动 | 进油腔压力p1控制阀芯移动 | ||
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条