| 摘要 |
Provided is an apparatus for removing scale in a pipe. More particularly, provided is a flexible wire which is inserted in a pipe and rotated in a high speed during operation of an apparatus to remove scale produced in the pipe by striking. The flexible wire for removing scale in pipe includes: a main wire line which is formed by alternately winding a central wire line with clockwise and counterclockwise wires along a longitudinal direction of the central wire line; an auxiliary wire line which is a single line having a diameter smaller than that of the main wire line and extends in a longitudinal direction of the main wire line; and an outermost wire which winds the auxiliary wire line so as to bind the auxiliary wire line and the main wire line. Accordingly, a diameter of rotation becomes large due to a centrifugal force at a high speed rotation, so that scale produced in a large-diameter pipe can be effectively removed. In addition, a scale removing ability can be greatly improved.
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