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1)  mid-pressure ammonia pump
中压热氨泵
1.
Some improvements for mechanical seals on mid-pressure ammonia pumps in our plant is summarized,A performance contrast is analysed and some application recommendations are given in future service preferentially for the metal bellow type mechanical seals.
结合某中压热氨泵的机械密封改造 ,对金属波纹管机械密封与普通机械密封的性能对比进行了分析 ,指出金属波纹管机械密封可以在很多工况下取代使用 ,辅助密封圈的普通机械密封。
2)  HP ammonia pump
高压氨泵
1.
Regarding the damage and leakage of drying gas sealing of multi-stage centrifugal HP ammonia pump, The reason is analyzed as follows: failure of a mechanical seal part pushing ring shaft sleeve inside mechanical seal and fixed shaft sleeve to move outside;increased specific pressure of movable ring and fixed ring;aggravated tear and wear of seal surface, resulting in damage and leakage.
分析多级离心式高压氨泵干气密封损坏泄漏的原因,是机封紧定套失效使机封内侧动环传动轴套和定位轴套外移,动、静环比压加大,磨损加剧,密封面损伤而泄漏。
2.
Ltd of Italy adopted for the first time the mediate rate centrifugual HP ammonia pump produced by NP Ltd.
九江石化总厂从意大利Snam公司引进的52万t/a尿素装置首次采用了辛比隆公司生产的中速离心式高压氨泵。
3)  thermocompressor ['θə:məu,kəm'presə]
热压泵
1.
In current dairy industry, the steam-repress is completed commonly by thermocompressor.
在现有乳品行业中 ,汁汽再压缩普遍采用热压泵来完成。
4)  aqueous ammonia pump of high pressure
高压氨水泵
1.
On the basis of analysis of system characteristics, frequency conversion technique is adopted to transform an aqueous ammonia pump of high pressure in coal charging process without dust of coke oven, and the closed loop control is used, which have gained better effects.
通过系统特性分析 ,对焦炉无烟装煤工艺中高压氨水泵运用变频技术进行改造 ,并采用闭环调节 ,取得了较好的实际效果。
5)  High and middle pressure pump
高中压泵
6)  an intermediate-pressure pump
中压泵
补充资料:中压压热釜非催化油脂水解法
分子式:
CAS号:

性质:一种使用很广的油脂水解工艺方法。当油脂与水的反应温度达到225℃,就可以无需催化剂进行水解而达到较高的反应速率,并实现连续化。操作压力要高于反应温度下的饱和压力(不低于3MPa),以保持反应系统处于液相状态。反应过程是逆流的,并分为3段进行。每段都经过静置分层以降低油相中的甘油含量,有利于提高水解率,最终可达到97%。已实现工业化的方法有多种。使用较多的有Gianazza法和Construzioni Meccaniche Bernardini法。

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