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Two non-leak chemical chemical pump horizontal contrast
In recent years, due to the development of industry makes chemical pump more widely used, but as people continue to raise awareness of environmental protection as people's awareness of environmental protection, more The application of a leak-free chemical pump, and chemical pump technology also put forward higher requirements, thus determining the chemical pump new research direction, that is based on the existing continuous improvement of chemical pump mechanical structure, and actively study the new Technology to improve the sealing performance of chemical pumps, minimize leakage of chemical media, so as not to cause pollution to the environment. Chemical pumps currently used in the chemical industry can be divided into three types: ①, standard mechanical seal type chemical pump (ordinary chemical pump) ②, magnetic drive type chemical pump (magnetic pump) ③, shielded chemical pump (shielded pump) Chemical pumps and shielded chemical pumps are lower than the normal operating efficiency of chemical pumps, and because of their way of driving, that is, due to magnetic loss and the product back to the tail pipe, the motor power compared to the average chemical pump is larger . However, due to shielded pumps and magnetic pumps are leak-free pump, sealing performance is quite good. Therefore, environmental considerations, we put aside the ordinary chemical pump aside, we look at the magnetic-driven chemical pump and shielded chemical pump in all aspects of comparison. ①, from an economic point of view: shielded chemical pumps higher prices, parts prices are high, operating costs are relatively high, magnetic pumps are relatively cheaper. ②, from the pressure to adapt: ​​shielding chemical pump design pressure adaptability to be higher than the magnetic pump. ③, from the medium temperature: shielded chemical pump can transport high temperature medium, and magnetic pump in the face of high temperature medium will occur when demagnetization. ④, from the reliable performance: shielded chemical pumps than magnetic pumps to be safe and reliable. ⑤, from the maintenance of easy to say: shielded chemical pump due to the pump and motor are housed in a sealed chamber, repair more difficult.