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The boiler feed pumps are multi-stage centrifugal pumps, the heaviest of which is 19 tons, which is the heaviest and largest pump in the methanol plant. In order to ensure the normal driving of the pump test, the first equipment company Zhongyuan professional project in the case of only 2 fitters, under the leadership of the squad leader, prepare all the conditions of the test in advance. The motor and pump of the high-pressure feed pump are both plain bearings. They are forcedly lubricated by the lubricating oil station. Before the motor is single-tested, the lubricating oil system must be flushed with oil. During the test run of the plant, it was in the high temperature and high heat stage of the Central Plains, even sitting in the shade of the heat can not stand, let alone the lubricating oil pipeline with high pressure, high temperature steam cleaning, but these three fitters do not care about the sun, work At the first scene, the clothes were wet and dry. In addition, in order to ensure the cleanliness of the pipeline by steam, they also use a plastic sheet to seal the nozzle, which also saves time for the lubricating oil system.
During the test preparation process, difficulties occur from time to time, and the construction period of the device is imminent. The three fitters are not able to rely on one another to eliminate the factors that are not conducive to the test. For example, the circulating cooling water cannot be used. Provide, make temporary pipelines, provide circulating cooling water; actively purchase oil pump and transparent hose to facilitate oil filling in the 1800L lubricating oil station. Up to now, the test phase is all normal, the fitter masters are always on track and check, laying a good foundation for ensuring the normal test of the single machine.
The Zhongyuan Dahua Methanol Plant, which was built by Sijian No.1 Equipment Co., started the trial run of the feed water pump (high pressure feed pump, medium pressure feed pump, low pressure feed pump) of the boiler feed water unit, laying the foundation for the normal driving of the methanol plant steam boiler. .