exhaust Industrial Valves in use process will appear sometimes burn, which is the main reason most of the fuel problem, take a look at below specific reasons.

1。 Poor fuel combustion, and therefore the carbon impact.

bad combustion will not only cause the high exhaust temperature, but also formed in the combustion chamber carbon. High exhaust temperature of exhaust Industrial Valves working environment worse, overlay other situation has intensified after loss of exhaust valve.

2。 Air valve of rotary valve failure

if the exhaust valve of rotary valve failure, can't keep the vent valve in the work constantly turning, or rotate with the closing of the valve stroke, will soon make the exhaust valve burning, greatly shorten the service life of the exhaust valve.

3。 Fuel containing vanadium and sodium, easy cause high temperature corrosion of metal elements.

now in general use in the shipping market of inferior fuel oil contains a large amount of vanadium, sodium and sulfur and other elements. In the process of burning sulfur, sodium and vanadium element such as the formation of sulfur oxide, sodium oxide and vanadium pentoxide ( The chemical composition of oxide depends on excess oxygen and temperature) 。

the above is the reason why exhaust valve burning.

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