1, the chemical pump according to the working principle, the structure classification: 1) vane pump: through the pump shaft rotation impetus to a variety of impeller blades to centrifugal force or axial force, the liquid to the pipeline or container, such as centrifugal pump, vortex pump, mixed flow Pump, axial pump. 2) positive displacement pump: the use of continuous changes in the volume of the pump cylinder liquid delivery pump, such as reciprocating pump, piston pump, gear pump, screw pump. 3) Other types of pumps: Electromagnetic pumps that use electromagnetic to deliver liquid electrical conductors; Pumps that use fluid energy to deliver liquids, such as jet pumps, air boosters, etc. 2, chemical pump classification according to chemical uses: 1) Process Pump: including feeding pump, return pump, circulating pump, flushing pump, sewage pump, replenishment pump, output pump and so on. 2) Utility Pump: Including boiler pump, cooling tower pump, fire pump, water pump with deep well. 3) Auxiliary use pump: Including lubricating oil pump, seal pump, hydraulic pump and so on. 4) pipeline pump: pipeline pump, loading and unloading pump and so on. 3, chemical pump according to the transmission medium classification: 1) Pump: Including water pump, boiler feed pump, condensate pump, hot water pump. 2) Corrosion-resistant pump: Including stainless steel pump, high silicon cast iron pump, ceramic acid pump, impermeable graphite pump, hard rubber pump, hard polyvinyl chloride pump, shield pump, diaphragm pump, titanium pump and so on. 3) Impurity pump: Including slurry pump, sand pump, sewage pump, pulverized coal pump, ash pump and so on. 4) oil pump: cold oil pump, hot oil pump, oil pump, liquid hydrocarbon pump. 4, the chemical pump classification according to the conditions of use: 1) large flow and micro-flow pump: flow were 300m3 / min and 0. O1L / min; 2) high temperature pump and cryogenic pump: high temperature up to 500 ℃, low temperature to a Z53 ℃; 3) High pressure pump and low pressure pump: High pressure up to 200MPa, vacuum degree is 2.66 --- 10.66kPa (20-80mmHg); 4) High speed pump and low speed pump: High speed reaches 24000r / min and low speed 5-10r / min; Accurate metering pump: flow measurement accuracy of ± 0 3%; 6) high viscosity pump: Viscosity up to thousands of Pa (s). Chemical pumps are widely used in petroleum, chemical, metallurgy, synthetic fiber, pharmaceutical, food, synthetic fiber and other fields, have an important use.
Kitchen Cabinets,Solid Wood Kitchen Cabinet,Multilayer Board Kitchen Cabinet,Outdoor Kitchen Cabinet
PRO CABINET SOLUTION PTY LTD , https://www.pcscabinet.com.au