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Ball mill lining plate repair

Ball mill lining plate repair

(Summary description)Domestic high-manganese steel is gradually replaced by medium-alloy steel liner, but with the continuous application of medium-alloy steel liner in ball mill liner, it has gradually replaced manganese steel and other liners to become the mainstream of market development.

Ball mill lining plate repair

(Summary description)Domestic high-manganese steel is gradually replaced by medium-alloy steel liner, but with the continuous application of medium-alloy steel liner in ball mill liner, it has gradually replaced manganese steel and other liners to become the mainstream of market development.

Information

  Domestic high-manganese steel is gradually replaced by medium-alloy steel liner, but with the continuous application of medium-alloy steel liner in ball mill liner, it has gradually replaced manganese steel and other liners to become the mainstream of market development. The ball mill liner is used to protect the cylinder. Many ball mill customers report that the ball mill liner has a short service life and high production costs. Xuzhou Huagang Wear-resistant Material Co., Ltd. has professional ball mill liner production technology, and can provide customers with first-class quality and reasonable price ball mill liners.

  Whether it is wear-resistant steel ball or liner, all wear-resistant materials are subject to wear and corrosion. Due to the impact, grinding, sliding, rolling and rebound movement of the grinding medium of the ball mill equipment, as well as the abrasive effect of the material being ground, the liner will be worn.

  The severely worn liner should be replaced in time, and there is no need to repair it. Only when the liner spare parts are scarce and the wear is not too serious, the surfacing repair method is used for the liner.

  1. Remove the liner and clean the working surface of the liner until the shiny metal is exposed;

  2. Insert a graphite plug into the bolt hole of the lining plate to ensure that the bolt hole will not become smaller after surfacing and facilitate the fixing of the lining plate;

  3. Put the liner to be repaired on the construction platform of the surfacing welding site, and place it as horizontally as possible so that the working surface of the liner faces upward;

  4. Surfacing electrode: such as tdmn (180) or tdcrmn (220), low hydrogen electrode;

  5. Repair the working surface, remove welding slag and other debris and burrs around the liner. Manual arc can be used for surfacing, and it is best to be welded by highly skilled and skilled workers;

  6. The surfacing procedure first surfacing the steel surfacing layer, then surfacing the combined surfacing layer, and finally surfacing the wear-resistant alloy surfacing layer. This multi-layer surfacing method can be used to repair the non-alloy steel cone ball mill lining board , Grinding head liner and other parts. The surfacing welding is divided into many narrow sections, and the layered surfacing welding is carried out in sequence. The final surfacing welding should be based on the original design of the working surface shape of the liner (such as stepped, wavy liner, etc.), and it must be smooth and flat to minimize the amount of trimming.

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ADD:No. 1, Pengfei Road, Industrial Cluster Area, Ruyang County, Luoyang, China

 

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