Evaporation forced circulation pump selection basis

Evaporation forced circulation pump selection basis should be based on technological process, water supply and drainage, throughput, gear head, liquid from liquid properties, piping layout and operate condition of five aspects into consideration. Evaporation forced circulation pump selection basis should be based on technological process, water supply and drainage, throughput, gear head, liquid from liquid properties, piping layout and operate condition of five aspects into consideration. Below we together to have a look at the specific evaporation forced circulation gas booster pump selection method for forced circulation pump use matters needing attention. System is required to lift is chosen forced circulation pump of the evaporation another important performance data, typically with amplification 5% - Head to selection after 10% allowance. Evaporation of forced circulation pump system piping layout condition refers to send liquid height conveying liquid from liquid to lift calculation for system and NPSH of checking. 4, liquid properties, including the name of the liquid medium, physical properties, chemical properties and other properties, physical properties with temperature c d density, viscosity, u, solid particle diameter and gas content in the medium, etc. Evaporation forced circulation pump use note 1, pay attention to the pump bearing temperature, should not be more than high ambient temperature 35 degrees but should not be greater than 75 degrees. 1, the oil cup should be filled with calcium base of butter, ensure the bearing lubrication properly. 2, pump work in the first month, or 100 hours after operation, should be replaced within the motor bearing oil cup butter, after every work 2000 hours after replacement. 3, regularly check the elastic coupling, pay attention to the temperature rise of motor bearing. 4, regulated process, such as when he found the sound of the noise or unusual, should immediately stop check. 5, 2000 working hours should be every cycle pump inspection, impeller, pump body, Or pump cover) Clearance between the friction losses cannot be too big, big gap value shall not be more than 1. 5 mm, such as more than replaceable impeller or front cover. work 6 hours, check the machine, repair or replace according to the degree of wear and tear, otherwise will cause the damage of the gas booster pump shaft and bearing. Above is big evaporation forced circulation pump selection five methods and forced circulation pump using seven notes that, traditional evaporation forced circulation pump is suitable for long-term transport any concentration of strong acid, strong alkali, salt, antioxidant and other corrosive medium. New type of evaporation forced circulation pump for conveying of lightweight inflammable and explosive materials, have the characteristics of free maintenance, explosion-proof, low energy consumption; Its traditional evaporation forced circulation pump shell, head, outlet pipe and flow components in plastic alloy (all 聚四氟乙烯、聚全氟乙丙烯) Moulding and sintering, pump host part of the whole place inside the liquid evaporation forced circulation pump with strong corrosion resistance, high mechanical strength, no oxidation, no toxin decomposition characteristics.
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