S2 Ladle Sliding Gate Plate for Flow Control in Steel Making

Product Details
Customization: Available
Feature: Chemical Corrosion Resistance, Corrosion Resistance, Good Abrasion Resistance, Good Insulation Performance, High Mechanical Strength, High Melting Point, Thermal Shock Resistance
Production Process: Deep Fired
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  • S2 Ladle Sliding Gate Plate for Flow Control in Steel Making
  • S2 Ladle Sliding Gate Plate for Flow Control in Steel Making
  • S2 Ladle Sliding Gate Plate for Flow Control in Steel Making
  • S2 Ladle Sliding Gate Plate for Flow Control in Steel Making
  • S2 Ladle Sliding Gate Plate for Flow Control in Steel Making
  • S2 Ladle Sliding Gate Plate for Flow Control in Steel Making
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  • Overview
  • Product Description
  • Detailed Photos
  • Product Parameters
  • Company Profile
  • FAQ
Overview

Basic Info.

Model NO.
S2
Refractoriness (℃)
1580< Refractoriness< 1770
Shape
Plate
Product Name
S2 Ladle Sliding Gate Plate for Flow Control
Materials
Al2O3 Zro2 C or Al C
Al2O3
85% Min
Zro2
4% Min
C
3% Min
Fire Process
Burned
Finish Product
with Steel Can and Belt
Semi-Finished Products
Available
Rough Brick
Available
Application
Continuous Casting Flow Control
Usage Area
Steel Iron Industry
Function
Control The Flow Rate of Molten Steel
Type
Steel Making Ladle Bottom Refractory
Slide Gate Mechansim
Available
Service Life Performance
4-8 Times
Transport Package
International Export Package
Specification
Alumina Carbon or Alumina Carbon Zirconia
Trademark
sinorefractory /SNREF
Origin
China
HS Code
69032000
Production Capacity
30 0000 Tons/Year

Product Description

Product Description

S2 Ladle sliding gate plate for flow control in steel making 
 

In the steel making process, the sliding gate plate nozzle system at the bottom of the ladle, consisting of slide gate plate, upper nozzles, lower nozzles, and seating well block, 
works in concert to ensure the safe and precise control of molten steel pouring.
 
Below is a detailed explanation of their collaborative processes and functions:
 
1. Functions and Structures of Each Component
Component  
Role Material and Characteristics
Well block Backing Brick, Embedded in the bottom of the ladle, it fixes the upper nozzle and provides a supporting structure.
High-alumina or magnesia-carbon materials, resistant to high-temperature erosion. 
Upper Nozzle, Directly contacts molten steel and guides it into the sliding nozzle system.
Aluminum-carbon or zirconium-carbon materials; the inner hole is flared to reduce turbulence.
Sliding Gate Plates, Controls the flow rate of molten steel through horizontal movement
(flow is regulated by misaligning the upper and lower slide gate plate),
Composite refractory materials (such as Al2O3 - C), with an anti-stick coating on the surface.
Lower Nozzle, Guides molten steel from the slide gate plate to the tundish or mold;
some designs allow for disassembly and replacement.
Resistant to rapid heating and cooling, often containing ZrO2 to enhance erosion resistance.
 
2. Collaborative Workflow
1) Closed State (Preparation Phase)
Slide gate plate Position: The molten steel flow holes of the upper and lower slide gate plate are completely misaligned, blocking the passage of molten steel.
Sealing Assurance: Hydraulic or spring mechanisms press the slide gate plate tightly to prevent molten steel leakage.
Preheating Treatment: Baked to a temperature of over 1000°C before use to avoid blockages caused by solidified steel.
 
2) Pouring Initiation Phase
Slide gate plate Movement: The lower slide gate platemoves slowly to partially align the holes of the upper and lower slide gate plate. Molten steel flows out through the upper nozzle, slide gate plate holes, and lower nozzle.
Flow Control: The flow rate is controlled by adjusting the displacement of the slide gate plate (for example, 50% alignment) to avoid turbulence and splashing.
 
3) Pouring Process
Dynamic Adjustment: The opening of the slide gate plate is fine-tuned in real-time according to the tilting angle of the ladle and the requirements of the billets.
Anti-blocking Design: The flared structure of the upper nozzle reduces impurity accumulation; argon blowing in the lower nozzle prevents the formation of nodules.
 
4) Closing Phase
Quick Cut-off: At the end of pouring smelting, the slide gate plate are quickly and completely misaligned to cut off the flow of molten steel (to avoid slag carryover).
Emergency Measures: In case the slide gate plate get stuck, the backup hydraulic system or a manual wrench is used to force them to close.
 
Conclusion
The core of the collaboration of the sliding nozzle system lies in its sealing performance, high-temperature resistance, and precise control.
The seating well block backing brick provides support, the upper and lower nozzles guide the flow of molten steel, 
and the slide gate plate regulate the flow rate through mechanical movement, jointly ensuring the safe transfer of molten steel from the ladle to the mold.
 
 


S2 Ladle Sliding Gate Plate for Flow Control in Steel Making

 

Detailed Photos

S2 Ladle sliding gate plate for flow control in steel making 
S2 Ladle Sliding Gate Plate for Flow Control in Steel MakingS2 Ladle Sliding Gate Plate for Flow Control in Steel MakingS2 Ladle Sliding Gate Plate for Flow Control in Steel MakingS2 Ladle Sliding Gate Plate for Flow Control in Steel MakingS2 Ladle Sliding Gate Plate for Flow Control in Steel Making

 

Product Parameters


Different steel grades, various range of formulas of sliding gate plates including Alumina Carbon, Alumina Zirconia Caron, Magnesia Spinel, etc.

To suit different steelmaking conditions to achieve best service life.
 
Al-C Material
Al2O3 C Apparent porosity Bulk density C.C.S
(% minm) (% minm) (% max) (gm./cc minm) (MPa minm)
90 3 9 3.00 120
 
Al-Zr-C Material
Al2O3 C ZrO2 Apparent porosity Bulk density C.C.S
(% minm) (% minm) (% minm) (% max) (gm./cc minm) (MPa minm)
85 3 4 7 3.1 120
 

Company Profile

Shandong Sinorefractory New Materials Co.,Ltd (SinoRefractory)has been focusing on international marketing of flow control refractories in iron and steel industry for 17 years.

SinoRefractory is the second generation of refractories export enterprise developed out of EMEI Group.Supported by one of China's largest production bases in functional refractory materials.

Through years of development in the field of exporting top quality refractories to worldwide markets,SinoRefractory aims at researching,producing,marketing and exporting high standard Ladle slide gate plate,Ladle Nozzles,Well blocks,Purging plugs,Nozzle stuffing sand,Refractory castables, Slide gate Mechanisms etc.

Up to now,SinoRefractory has supplied high quality refractory products and services to nearly 70 top-hundred global steel enterprises.

SinoRefractory will always put clients'interest in the first place,striving to provide a wide range of services,including technical solution,pre-sales support,after-sales services,installation team support,professional know-how according to the changing of steelmaking condition,etc.

We are not only selling products,we are more focused on supporting,developing and growing together with clients.
S2 Ladle Sliding Gate Plate for Flow Control in Steel Making
 


S2 Ladle Sliding Gate Plate for Flow Control in Steel MakingS2 Ladle Sliding Gate Plate for Flow Control in Steel MakingS2 Ladle Sliding Gate Plate for Flow Control in Steel MakingS2 Ladle Sliding Gate Plate for Flow Control in Steel MakingS2 Ladle Sliding Gate Plate for Flow Control in Steel Making

 

The SNREF slide plates have the advantages of high strength, good erosion resistance, thermal shock resistance and good stability etc., mainly used in large and medium-sized ladle.

Slide plate for small size ladles of steel plant: (less than 50 tons ladle)
B50 B60 B250 C10 C201QC 2QC, 1BK,2BK,
 
Slide Gate plate for Middle size ladles of steel plant: (50-150 tons ladle)
LS50/70/90,C51. Safflow, LQCS60/80/, LQS500  LQVSV 374(LG21);LGVSV441(LG22);
LQ/FLOCON4200/6300/3150 LQLV50/150/180, LQ385 .LQ310;LQTS80; LQVSV50 80
 
Slide Gate plate for large size ladles of steel plant: (120-300 tons ladle)
LQCS80, LQLV 150, LQLV180….
Most for smal-size, middle size and large size ladles.   

FAQ

Below are some FAQ and answers about ladle and tundish flow control refractories:
Q: What are the requirements for refractories for ladle?
A: The requirements of refractories for ladle mainly include: 
 * high temperature resistance
 * thermal shock resistance
 * resistance to the erosion of the slag
 * high temperature with sufficient mechanical strength
 * the lining has a certain degree of expansion

Q:What are the reasons for the destruction of refractories for ladle?
A: The main causes of damage are as follows:
When the ladle transports high-temperature molten steel, the high-temperature molten steel and slag at about 1680ºC scour and erode it, especially in the slag line part, the scouring and erosion is more serious, and it is an important factor to decide the service life of the ladle.
LF and other extra-oven refining treatment on the unburnt brick damage is serious.

Q:What steel grades are different materials of slide plate bricks suitable for respectively?
A: Different materials of slide plate bricks are applicable to different steel grades. For example, 
Al2O3-ZrO2-C slide gate plate can be used as ladle sliding gate plate due to its excellent erosion resistance and thermal shock stability, which can adapt to the casting of various steel grades, and ther are the following materilas based on customer's steel making condition: the MgO-C, MgO-Al-C, MgO-Al-C, MgO-Al-C, MgO-Al-C, MgO-Al-C, MgO-Al-C, MgO-Al-C, MgO-Al-C, and so on.
 
For more details, feel free to send inquiry to us.

 
 

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