This article describes in detail the common phenomenon of steam reciprocating pump (such as steam reciprocating pump does not move, steam reciprocating pump exhaust, steam reciprocating pump produce sound or vibration, steam reciprocating pump gland leakage, air leakage, steam reciprocating cylinder piston rod Overheating, steam reciprocating pump pressure instability, steam reciprocating pump flow less than), and analyzed the steam reciprocating pump causes the above-mentioned phenomenon, and how to deal with the above failure. No. Symptom Cause Remedy 1 Pump not move 1, Intake valve spool broken, the valve can not be opened 2, Cylinder with water 3, Rocker pin off or conical pin cut off 4, Gas cylinder piston ring is damaged 5, the cylinder wear gap is too large 6, the valve plate valve seat bad contact 7, the steam pressure is less than 8, the piston rod in the middle position, resulting in the valve closed 9, the outlet valve plate installed anti, the exit off 1, replacement Valve or spool 2, open the drain valve to exclude water within the cylinder 3, installed rocker pin and replace the cone pin 4, replace the cylinder piston ring 5, replace the cylinder or piston ring 6, scraping the valve plate and seat 7 , Adjust the steam pressure 8, adjust the position of the piston rod 9, the weight of the exhaust valve is installed correctly 2 pump exhaust 1, the inlet temperature is too high vaporization, or the surface is too low suction 2, the inlet valve is not open or open small 3, Cap loose 4, the import valve gasket is blown so that the import and export are connected 5, the cylinder liner wear, piston ring failure 1, reduce the inlet temperature, to ensure a certain level or adjust the reciprocation frequency 2, open the inlet valve to a certain degree of opening or adjustment Reciprocation number 3, tighten the piston nut 4, replace the inlet valve Gasket 5, replace the cylinder liner or piston ring 3 sound or vibration 1, the piston stroke is too large or vaporization 2, the piston nut or piston rod nut loose 3, the liner loose 4, the valve cracked, debris falling into Cylinder 5, loosening of the ground screw 6, loose cross the center of the crosshead frame 1, adjust the piston stroke and reciprocation 2, and tight piston nut and piston tube, nut 3, and the tight sleeve screw 4, Debris, valve replacement 5, fixed bolt 6, repair or replace the crosshead 4 Gland leakage, air leakage 1, piston rod wear or surface is not smooth 2, filler damage 3, packing gland is not tight or insufficient filler 1 , Replace the piston rod 2, replace the filler 3, plus packing or gland 5 cylinder piston rod overheating 1, the check valve failure 2, insufficient lubrication 3, packing too tight 1, replace the check valve 2, plus foot lubrication Oil 3, loose packing gland 6 pressure instability 1, the valve is not strict or spring elastic uneven 2, the piston ring is not flexible in the tank 1, the grinding valve or replace the spring 2, adjust the piston ring and groove with the 7 flow is insufficient 1, the valve is not strict 2, the piston ring and cylinder liner gap is too large 3, the stroke is too small 4, the stroke is too short 1 Grinding or replacement of the valve, the regulating spring 2, replacement of piston rings or the liner 3, the number 4 stroke adjustment, the stroke adjustment
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