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1)  booster pump for molten urea
熔融尿素升压泵
1.
Several shaft-breaking incidents occurred during the running of booster pump for molten urea in a melamine plant of high-pressure process has caused many unscheduled plant shut-downs.
高压法三聚氰胺装置熔融尿素升压泵运行过程发生多起断轴事故,使装置多次出现非计划停工。
2)  melt urea pump
熔融尿素泵
1.
The packing axle seal of the melt urea pump leaked seriously,leading to many harmful effects,so we revamped the form of axle seal.
熔融尿素泵填料轴封泄漏严重,导致诸多不良后果,对轴封形式进行改造,采用与输送介质相适应的密封性能良好的机械密封,较完满的解决了轴封泄漏问题。
3)  melting urea feeding pump
熔融尿素给料泵
4)  urea melt
熔融尿素
1.
Consideration of some problems present in 50 kt/a urea melt spraying granulation plant;
5万t/a熔融尿素喷浆造粒装置若干问题的思考
5)  urea melt
尿素熔融
1.
Troubles encountered in operation of 100 kt/a compound fertilizer plant by urea melt spraying granulation process and method for shooting;
100kt/a尿素熔融喷浆造粒复合肥装置运行中的问题和处理
2.
Through the change to urea melt-slurry spraying granulation technology from original agglomeration technology, the material moisture content out of granulator is decreased to 4%~6% from 6%~8%, the material moisture content after first drying is controlled in the range of 1.
介绍山西钾盐有限公司在10kt/a复混肥装置试产27134高氮复肥的情况:在原团粒法设备基础上引入尿素熔融喷浆造粒工艺,使出造粒机物料的水分由6%~8%降至4%~6%,1次烘干物料水分可控制在1。
3.
Based on both slurryspraying and material*2aggomeratiing granulation process, an urea melt spheroidizing (spray) granulation process for production of compound fertilizer is proposed.
在料浆法和团粒法制复混肥的基础上,推出尿素熔融喷浆造粒生产复混肥工艺。
6)  urea melt tank
尿素熔融槽
补充资料:熔融
分子式:
CAS号:

性质:温度升高时,分子的热运动能增大,导致结晶破坏,物质由晶相变为液相的过程。熔融是一级相转变,熔融有热焓、熵和体积的增大。发生熔融的温度叫熔点或熔融温度。小分子晶体的熔点温度范围很窄(一般小于1℃),而聚合物由于结晶不完全;其熔融温度往往是一个较宽的范围(一般为10~20℃)。

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