Overall Contracting Performance Of Tundish Lining

       single bit

 cast machine

Medium size

Contract content

Contract Time

Refractory Availability

Nanjing Iron & Steel Co.

Three Steelmaking (Electric Furnace Plant)

1# machine billet

30 tons

Tundish repair and overall contracting

September 2008 to present

Permanent layer, coating material, impingement plate, slag retaining wall

2# machine bloom

35 tons

Tundish repair and overall contracting

June 2008 to present

Permanent layer, dry material, impact plate, slag retaining wall

Steelworks (Old Plant)

2# machine slab

30 tons

Tundish repair and overall contracting

January 2011 to December 2012

Insulation layer, permanent layer, dry material, impact plate, slag retaining wall

3# machine billet

35 tons

Tundish repair and overall contracting

January 2008 to December 2013

Insulation layer, permanent layer, dry material, impact plate, slag retaining wall

4# machine billet

30 tons

Tundish repair and overall contracting

January 2008 to December 2010

Insulation layer, permanent layer, dry material, impact plate, slag retaining wall

Second steelmaking (new steelmaking plant)

3# machine billet

40 tons

Tundish repair and overall contracting

January 2014 to present

Construction and maintenance of insulation layer, permanent layer, dry material, impact plate, slag retaining wall 1~3# machine cover steel structure and castable construction and maintenance of ladle cover steel structure and castable

Jiangyin Xingcheng Special Steel Co., Ltd.

A steelmaking

Billette

38 tons

Tundish repair and masonry overall contract (including stopper installation)

January 2008 to present

Construction and maintenance of permanent layer, spray paint, smear, impact plate, seat brick, middle cover castable

Second steelmaking

Billette

38 tons

Tundish repair and masonry overall contract (including stopper installation)

January 2016 to present

Construction and maintenance of permanent layer, smear, impact plate, block castable in the middle and cover

Special board factory

Slab

38 tons

Tundish repair and masonry overall contract (including stopper installation)

March 2009 to present

Construction and maintenance of permanent layer, dry material, smear material, impact plate, seat brick, middle cover castable

Bloom billet, round billet

50 tons

Tundish repair and masonry overall contract (including stopper installation)

March 2010 to present

Construction and maintenance of permanent layer, dry material, smear material, impact plate, seat brick, middle cover castable

Shougang Jingtang Iron & Steel Co., Ltd.

Wide and thick slabs
Continuous casting area

80 tons

Tundish repair and overall contracting

September 2009～June 2012

Insulation layer, permanent layer, dry material, slag retaining wall, double-effect impact brick, etc.

Wide and thick slabs
Continuous casting area

80 tons

Tundish repair and overall contracting of three major parts (including stopper installation and mechanism maintenance)

July 2012～December 2015

Insulation layer, permanent layer, dry material, slag retaining wall, double-effect impact brick, seat brick, quick-change water inlet and outlet, quick-change mechanism, middle bag water outlet, large bag long nozzle, stopper rod, immersion nozzle Construction and maintenance of steel structure and castables in the middle cladding

Wide and thick slabs
Continuous casting area

80 tons

Overall contract for tundish repair (including maintenance of stopper rod installation mechanism)

January 2016 to present

Insulation layer, permanent layer, dry material, slag retaining wall, double-effect impact brick, etc. Construction and maintenance of steel structure and castables for tundish cover Construction and maintenance of castables for ladle cover