Description

Product overview:

　　The BQW series explosion-proof electric submersible mining pump (of upper pump structure) is manufactured as per MTT 671-2005 Flameproof submerge electric pump for coal mine. It is developed through coaxial direct connection of the explosion-proof submersible motor and the centrifugal water pump, with the pump installed above the motor and water flowing in from the middle of the electric pump. The product has passed the strict test conducted by the State Administration of Coal Mine Safety and the certification from the MA center. The electric pump is provided with an anti-explosion mark of ExdIMb, an HT250 or steel motor housing, a stainless steel rotor shaft, nodular cast iron flow passage components and 10 m long explosion-proof cables certified by the MA center.

Product use:

It is applicable to discharge of sewage containing solid particles like coal slag, silt and stone dust in the environments containing gas, coal dust and explosive gas mixture such as the non-excavation working surface, roadway, bottom water pit, central water sump of a coal mine as well as pumping of water in places involving engineering emergency handling, removal of water into the mine bottom, etc.

It can also be used for drainage operation in other environments containing methane gas.

1 The flow at the outlet of the electric pump shall not be greater than the rated value (i.e. the pump shall be used within the specified lift range);

2 The submergence depth shall not exceed 5 m, otherwise, it shall be stated when the order is placed;

3 The water temperature shall not exceed + 40 °C;

4 The pH valve shall be 5 ~ 9;