| 摘要 |
<p>Provided is a stuffing box for preventing engine oil and various driving units from being damaged due to pollutants, which includes: a sludge removal means having sludge removal rings in two rows, the sludge removal ring having a sludge discharge guiding angle protruded and inclined upwardly at an end of the ring and a ratchet angle inclined and cut upwardly on the bottom surface of the ring; a gas blocking means disposed below the sludge removal means and having gas blocking rings in two rows, each of the gas blocking ring having at least one ratchet groove for expanding a sealing area and having a high degree of sealing accuracy; and an additional oil recovery hole formed in the uppermost partition for recovering the oil that is not polluted among partitions disposed between four-staged oil filtering means and arranged in a lower location of the stuffing box housing.</p> |
