HCBBS Forum (한국어)
Submit Chemical Projects / Find Solutions
Amplify Your Requirements on a Broader Chemical Platform *Engineering · Technology · Equipment · Solutions*
Submit Request

["펌프의 최소 흐름량에 대해 말씀드리겠습니다.", ["안녕하세요. 저는 최소 흐름량에 대해 물어볼 수 있을까요? 예를 들어,식 밸브나 액추에이터식 액추에이터 펌프 같은 경우 흐름량을 조절할 수 있으므로 최소 흐름량이라는 개념이 없을까요? 감사합니다.:D"],,",",",",",",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D"D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D"D",D"D"",",",",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D",D"]"""""D",D"]""D""D""D""D""D""D""D""D""D""D""D""D""D""D""D""D""D""D""DD"]D"D"]D""D""]D""]D""]D""]D""]D""]D""]D"]D"]D""]D""]D""]D""]D""]D""]D""]D""]D"D"]D"]D"]D"]D"]D"]D"]"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]DD"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]D"]]

2019-10-06View Original

Thread Content

大家好 我想请问一下 是否只有离心泵才存在有最小流量线的问题? 比如我的柱塞式或者隔膜式计量泵 它本身可以调节流量 例如流量范围 0~50L/H,此时是不是就没有最小流量线的说法了? 谢谢大家:D
Reply #22019-10-06
流量线没听说,从原理上说,如果离心式液体泵流量小于一定值时,在压力的作用下会使液体温度升高。压力能转换为热能,直至是液体产生气化,,,,,。所以要有个最小流量。宏观看,只要泵体温度不高就为最小流量。 至于容积式液体泵,它只能靠回流调节输出量。但也是不能长时间的回流,也会引起能量转换产生热,,,,。 供参考。
Reply #32019-10-08
计量泵可以调节行程,没有最小流量要求,调到0都没问题
Reply #42019-10-09
计量泵不需要用回流控制,调节行程就行,离心泵的最小流量线的意思是当工艺要求泵的出口流量特别小后(泵出口阀开的特别小),开泵出口的最小流量线,将泵出口的介质打到泵的入口储罐,最小流量线不是外送的,是返回泵入口的,这样做的目的是:防止憋泵,泵做功,会把介质温度升高,会造成汽蚀,介质温度高很容易造成密封损坏,动静环处高温气化,干摩擦。

Submit a Project

**Looking for Chemical Technology, Equipment & Solutions?** No Registration Required Broader Platform Exposure | Global Chemical Service Provider Connections

Submit Request — Free Consultation

Disclaimer

This is an automated machine translation of the original thread. Some technical terms may have inaccuracies; the original text shall prevail. Click "View Original" at the top right to access the source page, which supports IP-based automatic real-time language translation. Please watch out for contact details and sales inducements to prevent fraud. All content and translations are for reference only, representing solely the poster's personal views. For enquiries, email service@hcbbs.com.