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1)  phosphoric acid recycle pump
磷酸循环泵
1.
The equipment accidents and their reasons for the graphite heat exchanger and the phosphoric acid recycle pump in two sets of concentration units of Honglin Chemical Industry Co.
简述红磷公司2套浓缩装置主要设备——石墨换热器、磷酸循环泵在生产中发生的事故;分析设备事故的原因;介绍浓缩装置在磷酸循环泵过载,蒸汽压力过高,温度过高,浓酸出口温度过高,冷凝液酸度高等的联锁报警与安全保护系统。
2)  Seal of Phosphoric Acid Circulating Pump
磷酸循环泵的密封
3)  acid circulating pump
酸循环泵
4)  circular disposal acid pump
循环废酸泵
1.
In order to select a proper material for the circular disposal acid pump in the aniline unit,the weight-loss method,SEM and EDS techniqus were adapted to study the anticorrosive properties of Hastelloy C alloy,804 alloy,20 alloy,904L and 316L stainless steels in the circular disposal acid at 80 ℃.
利用静态挂片试验、扫描电镜(SEM)和能谱(EDS)分析方法,比较了Hastelloy C合金、804合金、20号合金、904L和316L不锈钢在温度为80℃的循环废酸中的耐蚀性能,对循环废酸泵进行了选材研究。
5)  cyclic phosphorylation
循环磷酸化
6)  phosphate cycle method
循环法磷酸
1.
Then hydrochloric acid method,kiln method and phosphate cycle method were introduced,and their basic principles,process,conditions,and main equipments were described in detail.
提出了利用中、低品位磷矿生产优质磷酸,介绍了国内外盐酸法、窑法和循环法磷酸的情况,以及各个方法的基本原理、工艺过程、工艺条件、主要设备;同时,比较了上述3种方法的优缺点,分析了各自的应用范围及优势所在。
补充资料：循环泵标准汇总
标准编号
标准中文名称
标准英文名称
GB4706.71-2003
家用和类似用途电器的安全加热和供水装置固定循环泵的特殊要求
Safety of household and similar electrical appliances Particular requirements for stationary circulation pumps for heating and service installations
NF P52-101-2000
泵.旋转动力泵.加热装置和家用热水装置用电效应不足200W的循环泵.要求、试验和标记
(Pumps - Rotodynamic pumps - Circulation pumps having an electrical effect not exceeding 200 W for heating installations and domestic hot water installations - Requirements, testing, marking.)
NF C73-851-2000
家用和类似用途电器的安全.第2-51部分:加热设备和配水设备的固定循环泵的特殊要求
(Safety of household and similar electrical appliances - Part 2-51 : particular requirements for stationary circulation pumps for heating and service water installations.)
BS EN 60335-2-51-2003
家用和类似用途电器的安全.加热和供水设施用固定式循环泵的特殊要求
(Specification for safety of household and similar electrical appliances - Particular requirements for stationary circulation pumps for heating and service water installations)
BS EN 1151-1999
泵.旋转动力泵.家用热水安装和供热安装用的电效应不超过200W的循环泵.要求,试验,标记
(Pumps - Rotodynamic pumps - Circulation pumps having an electrical effect not exceeding 200 W for heating installations and domestic hot water installations - Requirements, testing, marking)
EN 1151-1999
泵 旋转动力泵 家用热水安装和供热安装用的电效应不超过200W 的循环泵 要求、测试、标志
Pumps - Rotodynamic pumps - Circulation pumps having an electrical effect not exceeding 200 W for heating installations and domestic hot water installations - Requirements, testing, marking
EN 60335-2-51-2003
家用和类似用途电器的安全　第2-51部分：加热和供水设施用固定式循环泵的特殊要求　
Household and similar electrical appliances - Safety - Part 2-51: Particular requirements for stationary circulation pumps for heating and service water installations (IEC 60335-2-51:2002) / Note: Endorsement notice
DIN EN 1151-1999
泵,离心泵.家用暖气设备和生活用水加热设备用200W以下电器消耗功率的循环泵.要求,检验,标识
(Pump, rotodynamic pumps - Circulation pumps having an electrical effect not exeeding 200 W for heating installations and domestic hot water installations - Requirements, testing, marking; German version EN 1151:1999)
DIN EN 60335-2-51-1998
家用和类似用途电器的安全.第2部分:供热和供水设备用固定循环泵的特殊要求
(Safety of household and similar electrical appliances - Part 2: Particular requirements for stationary circulation pumps for heating and service water installations (IEC 60335-2-51:1997); German version EN 603352-51:1997)
JIS C9335-2-51-2000
家用和类似用途电气设备的安全.第2-51部分:供热和供水安装用固定循环泵的特殊要求
(Safety of household and similar electrical appliances -- Part 2-51: Particular requirements for stationary circulation pumps for heating and service water installations)
IEC 60335-2-51-2002
家用和类似用途电器的安全.第2-51部分:加热和供水设施用固定式循环泵的特殊要求
(Household and similar electrical appliances - Safety - Part 2-51: Particular requirements for stationary circulation pumps for heating and service water installations)
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