The development of domestic submersible pump manufacturers

submersible pump manufacturers, submersible pump manufacturer

the submersible pump manufacturing industry development of our country relatively late, the end of the 1950 s, people's power for submersible pump factory design and manufacture of domestic * 7 kw and head for the 10 m operation submersible pumps, and trial in the rural areas, due to its structure for the pump, filter in the pump at the bottom, pump easy blockage and bulky. Start mass production Jacqueline Nottingham type submersible pump in the early 1960 s, the power to change to 2. 2 kw, using epoxy resin solid motor winding, because of the rural power grid stability, users lack electricity common sense, hot and cold caused low voltage or motor equal deficiency winding alternating frequency, water entering the winding, motor burn easily. In 1964, people's submersible pump factory developed JQB type 2. 5 kw submersible pump, the stator winding of the stator structure to glass fiber reinforced plastic shielding set of closed, developed and successfully applied the integral mechanical seal, pump reliability increased significantly, respectively is 15 m3 / h, 25 m3 / h, 65 m3 / h, l00m3 / h, submersible pump manufacturers to southern hunan submersible pump factory, hangzhou submersible pump manufacturer, etc.

in the late 1960 s for the development of QY type oil filled submersible pump, the pump motor oil filled, cancel the shielding cover, greatly improved the cooling condition of the motor, the rotor slot to put magnet, and greatly improve the motor internal cooling conditions, make the motor in the lack of phase are not easy to burn. Especially in the 1970 s the silicon nitride as the mechanical seal friction pair material, this type pump has better reliability, lab life oooh, eight field using the average life expectancy for 5000 h, the reputation of the domestic submersible pump and sales soared. In the 1970 s and development within the motor can be charged QS submersible pump, and developed in the 1980 s in QX young cheng chien of motor pumps and DQX type small submersible pump.

in the late 1980 s submersible pump has been rapid development, the product form is varied, variety specification has basically meet the requirements, the product quality improved, large scale, diversification and gradually. Large submersible pump for simplify the structure of pump and pump station construction investment saving advantage, in municipal, factories, mines, etc, has been widely recognized and applied. In the mid - 1980 - s, which has been successfully developed the submersible pump of high voltage large capacity, the current domestic large water conservancy projects and mines has more than 4000 kw submersible pump motor power, maximum transmission flow 10 to 20 m3 / s, the largest conveyor head above 1000 m, the voltage is 10000 v, domestic submersible pump output reached more than 200 one hundred million yuan a year, submersible pump manufacturers are well-known domestic manufacturers have kindway pump industry ( Group) Co. , Ltd. , jiangsu asia-pacific valve Co. , Ltd. , nanjing LanShen Group Co. , Ltd. , wuxi tin manufacturing Co. , Ltd. , zhejiang Shimge Industry Group Co. , Ltd, and, of course, we as a major domestic submersible manufacturers, has a lot to replace imported products and export products, widely used in domestic and foreign large-scale water conservancy projects, municipal engineering, farmland irrigation and drainage, etc. , the indications are that submersible has replaced traditional large horizontal .

study domestic submersible pump manufacturers for submersible pump starting late, design theory is not perfect, the product of a single, lack of control and protection function, low efficiency, easy to present situation of overload, easy to jam, since the 1980 s, the fluid mechanical engineering technology research center of jiangsu university, according to the theory of submersible pump and hydraulic design method, the reliability and the different structure forms of long-term, systematic and in-depth study, organize industry backbone enterprises technology integrated design, research and develop various types of submersible pump series products, the overall level of science and technology and main technical economic indexes reach the advanced level. Create the submersible pump theory and sailed meter method, the submersible pump manufacturers widely used, promotes the disciplinary development; Study the key technology of increased pump industry design and manufacture level, created a thriving submersible pump industry. To formulate and revise the national and industry standards, the development of the submersible water pump industry; Solved tens of rural labor transfer and employment.

the submersible pump manufacturer and submersible pump manufacturers pump self-priming pump original news articles by a professional.

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