Discussion on the operation of reciprocating high-pressure coal slurry pumps in Texaco gasifiers
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Reciprocating high-pressure coal slurry pumps are widely used at the inlet of Texaco gasifiers, from companies such as Fillouwa in Germany, as well as those in the Netherlands and Shanghai Dalong. The flow interlock for the two-out-of-three selection of coal slurry plays an important role in the operation of the gasifier; therefore, regular maintenance, repair, hydrostatic testing of the pumps, and inspection of the flow meters are crucial. From the perspective of a device, let’s discuss the key points and priorities in inspection, maintenance, and repair.
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Check whether components such as the mechanical seal, oil seal, and impeller are damaged
I don’t quite understand what you mean; please explain it clearly.
I don’t quite understand what you mean; please explain it clearly.
You are referring to a centrifugal pump; this one is reciprocating.
You are referring to a centrifugal pump; this one is reciprocating.
Inspect components such as oil seals, plungers, packing, crankshaft, connecting rods, bearings, etc
For high-pressure coal slurry pumps, I believe the most common tasks in maintenance involve checking the rubber rings in the check valves and the valve seats, as well as inspecting and replacing the hoses. Inspection and flaw detection of another crankshaft connecting rod, as well as inspection of the reducer. It is also important to check the oil circuit.
It is essential to conduct regular inspections of the valve core and seat, as well as to replace wear-prone components on a regular basis! Of course, regular maintenance is also essential!
The diaphragm, valve seat, valve ball, piston, and cylinder liner should be replaced regularly. Check whether the pipelines are blocked, and monitor the levels of hydraulic oil and lubricating oil; the oil should also be replaced on a regular basis.