自吸渣浆泵@黄骅自吸渣浆泵@自吸渣浆泵售后有保障
自吸渣浆泵@黄骅自吸渣浆泵@自吸渣浆泵售后有保障
如液化石油气、液氨等,输送密度小于650Kg/m³。泵的管道应有1/10~1/100坡度坡向泵,使气化产生的气体返回罐内,以防止泵产生汽蚀。
根据当地的供电情况,供电可靠的地区应选电动机,一般选用鼠笼型,仅在电网容量很小,不足以保证鼠笼型电动机启动的情况下,才考虑选用绕线型。在干燥、灰尘不多处采用防护式;在尘土飞扬、水花四溅处采用封闭式;浸水工作时可用密封式。当渣浆泵的抽水负荷连续均匀时,电动机应选用连续工作制,其转速应尽量与渣浆泵一致,便于直接启动,否则可选用转速较接近者进行间接传动。wjhuiquan7.2
自吸渣浆泵@黄骅自吸渣浆泵@自吸渣浆泵售后有保障
1.因渣浆泵汽蚀造成渣浆泵出力不足:渣浆泵出力不足是指扬程和流量均未达到泵应达到的指标,出现这种现象的元以内有两种:①设计输送时,没有充分考虑汽蚀特性关系。如果其临界汽蚀流量限于要求流量,渣浆泵在运行时就会临界汽蚀流量处发生汽蚀,使渣浆泵的扬程大幅下降造成出力不足。
The choice of power strictly speaks of how much power the slag pump can choose for the power machine to be calculated scientifically, but the choice of electric motor for the small agricultural slag pump can be based on the past experience,General motor power should be equal to the supporting slag pump power of 1.0-1.3 times, the power of the internal combustion engine should be equal to the supporting agricultural machinery required power of 1.3-1.5 times, too large is the big horse cart waste energy, too small is easy to bring immobility or overload damage to the power machine.If you he already bought some power equipment in advance, you should give full play to the role of the existing power machine.In the purchase of new agricultural slurry pump, to consider as far as possible with the original power machine.In fixed units, the motor can be used in a rated power range of 75%-.Diesel engines with full-system governor can reduce speed and power use within its speed range.
额定转速的选择电动机的额定转速根据渣浆泵的要求而决定。但是,通常异步电动机的同步转速不低于500r/min,因此,要求转速低的渣浆泵还需配减速装置。
自吸渣浆泵@黄骅自吸渣浆泵@自吸渣浆泵售后有保障
一般来说 ,当浆体输送中的流量变化时,所需扬程也随之变化。当流量时,水头损失随之,但由于所选的渣浆泵的扬程偏大,使管道的水压增大,这不仅浪费了能量,而且也了管道的漏水率。
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