Energy-saving multistage sealed stuffing box

The utility model provides an energy-saving multistage sealed stuffing box, and mainly aims to solve the problems of the prior stuffing box that the sealing effect is poor; the packing abrasion is serious; and the electric energy consumption is great. The multilevel sealed stuffing box is characteri...

Full description

Saved in:
Bibliographic Details
Main Authors HUANG YUCUN, SUN YUCHUN
Format Patent
LanguageChinese
English
Published 03.03.2010
Subjects
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
Online AccessGet full text

Cover

More Information
Summary:The utility model provides an energy-saving multistage sealed stuffing box, and mainly aims to solve the problems of the prior stuffing box that the sealing effect is poor; the packing abrasion is serious; and the electric energy consumption is great. The multilevel sealed stuffing box is characterized in that a spherical sealing device (4) is movably connected with the interior of a spherical hole at the lower end of a packing cylinder (1) through the base (3) of the spherical sealing device; an O-shaped seal ring (5) which is in contact with a feed rod and a lip-type seal ring (6) are arranged in the hole of the spherical sealing device (4); and the O-shaped seal ring (5) in contact with the spherical hole at the lower end of a packing cylinder (1) is arranged outside the spherical sealing device (4). The energy-saving multistage sealed stuffing box provided by the utility model has the characteristics of good sealing effect, long packing service life, and low electric energy consumption.
Bibliography:Application Number: CN2009299766U