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渣漿泵汽蝕的防止
為防止泵在運(yùn)行中不發(fā)生汽蝕，根據(jù)泵的裝置情況，對(duì)汽蝕余量或吸上真空度進(jìn)行校核：
如果泵未選定，則是根據(jù)裝置情況用上式去選擇泵的必需汽蝕余量NPSHR或允許吸上真空度[H]。而對(duì)于泵已選定，則是決定泵的幾何安裝高度H或泵進(jìn)口壓力P (或液面壓力po)
在平原地區(qū)，進(jìn)口管路較短時(shí)，式(3-1)可近似簡化為: H,≤1I0 I WPs 渣漿泵廠家
Prevention of cavitation in slurry pump
In order to prevent the pump from cavitation during operation, check the NPSH margin or suction vacuum degree according to the condition of the pump device:
If the pump is not selected, use the above formula to select the necessary NPSHr of the pump or the allowable vacuum degree [H] according to the condition of the device. If the pump has been selected, the geometric installation height h of the pump or the pump inlet pressure P (or liquid level pressure Po) is determined
In plain area, the inlet pipeline is relatively short, formula (3-1) can be approximately simplified as: H, ≤ 1i0 IWPS
