What is the characteristics of the chemical anticorrosive pump, how to choose the suitable chemical pump and according to which to choose?

Chemical anti-corrosion pump is commonly used in industrial production, the acid and alkali, salt and other corrosive liquid conveying of anticorrosive pump, chemical anti-corrosion pump with fluorine plastic anti-corrosion pumps, stainless steel anti-corrosion pump, anticorrosive centrifugal pump, anticorrosive magnetic pump, etc. , so so many kinds of chemical anticorrosive pump according to the requirements which are needed to choose? What is the characteristics of the chemical pump, the following knowledge of pump to make detailed introduction; 1, what is the pump: the pump is the prime mover's mechanical energy is converted to a mechanical pumping liquid energy. 2, what is the distinguishing feature of chemical pump: 1) 。 To meet the requirements for chemical process; 2) 。 Corrosion resistance; 3) 。 High temperature resistant, low temperature; 4) Wear-resisting, scouring resistance; 5) Reliable operation; 6) No leakage or leak less; 7) Can be critical state of liquid. 8) Has good cavitation performance of pump flow is 3, what? Use what symbol? Flow is refers to the unit time through the pipe a cross section of fluids ( Volume or quality) 。 flow with & other; Q” Said. 4, what is the pump lift? Use what symbol? Lift is refers to the unit weight of fluid energy gained by the increment. lift & other; H” Said. 5, what is power: the work done, per unit time is called power. 6, what is the effective power? Removal of mechanical energy loss and consumption, liquid through the pump to get the actual power per unit time, is called the effective power. 7, what is the shaft power: the power of the motor to the pump shaft is called shaft power 8, why do you say to the pump motor power is always greater than the effective power of the pump? 1) 。 Part of centrifugal pump in operation, the pump with high pressure liquid to flow back to the entrance of the pump, even outside the pump leakage, so it must be part of the energy loss; 2) 。 Liquid flows through the impeller and the water pump shell, and the change of flow direction and speed, as well as the mutual impact between the fluid and so on are also part of the energy consumption; 3) 。 shaft and the mechanical friction between the bearing and shaft seal part of energy consumption; Therefore, the motor to shaft power is always greater than the effective power. 9, what is the total efficiency of the pump? The effective power of the pump and the ratio of the shaft power, is the overall efficiency of the pump.
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