Beyond Petroleum Equipment

27

2021

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01

How to maintain and maintain the horizontal directional mud pump in winter?

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Winter is coming, how to better maintain your horizontal directional mud pump and make it more powerful.

Winter is coming, how to better maintain your horizontal directional mud pump and make it more powerful.
Before starting the horizontal directional mud pump in each shift, check one by one according to the "Preparation before starting the pump". The working pressure of the pump should be strictly controlled according to the instructions on the label. At the rated working pressure, the continuous working time should not exceed 1 hour, and the continuous working pressure should be controlled within 80% of the rated pressure (when the medium is thick mud).
The matching between the piston and cylinder liner of the horizontal directional mud pump should pay attention to appropriate sealing, and the flushing fluid should not leak. Otherwise, timely adjustment or replacement of parts should be carried out. Rubber parts should be stored in a cool and dry room with little temperature change (room temperature within the range of 10-25 ℃), low light, and no ultraviolet rays (window glass painted red or orange, but not blue), and the storage time should not exceed six months.
Metal parts such as pull rods, cylinder liners, crosshead sliding sleeves, crossheads, and inlet and outlet valve seats should be stored in a dry, non corrosive gas chamber, coated with rust proof oil or sealed with wax. When using, wax should be removed and cleaned, and checked for protrusions and burrs. Especially, during the assembly process, the working surface in contact with rubber parts should be coated with lubricating grease.
When stopping the horizontal directional mud pump for a long time, drain all water and oil from the horizontal directional drilling mud pump, remove mud and dirt from all components, and apply lubricating grease to the following components: crankshaft journal, variable speed shaft, gear, crosshead, crosshead sliding sleeve, pin shaft, pull rod, valve cover, cylinder head, valve seat hole, unloading valve stem, safety valve core, etc.
In cold winter or cold regions, when the horizontal directional drilling mud pump stops running for a long time, release the flushing fluid in the slurry pump and various pipelines to avoid equipment freezing and cracking. The lubrication of horizontal directional mud pumps is very important. In order to ensure that the pump can continue to operate normally and reduce the wear of moving parts, regular lubrication should be carried out. After 500 hours of operation of the new pump, clean and replace the pump body, and then change the oil of the mud pump every 1000 hours.

 

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