Gouda Refractories Iron Electric High Temperature Hot Blast Stove System Owner’s Manual
- August 15, 2024
- Gouda Refractories
Table of Contents
Gouda Refractories Iron Electric High Temperature Hot Blast Stove System
Specifications
- Product: Hot Blast Stoves
- Industry: Iron & Steel
- Manufacturer: Gouda Refractories
- Key Features:
- Tight dimensional tolerances
- Extremely Low Creep values
- Full scope of supply
Product Information
- Gouda Refractories delivers complete alumina refractory solutions for all types of installations in the Iron & Steel Industry.
- The company focuses on providing tailored solutions for critical areas rather than generic commodities.
- With over a century of experience since 1901, Gouda Refractories offers a wide range of refractory materials for different industries including iron & steel, nonferrous metals, petrochemicals, environment & energy, and cement.
- A Hot Blast Stove is a vital component in the Blast Furnace of an iron plant. It functions as a heat exchanger, supplying high-temperature air continuously to the blast furnace, contributing approximately 25% of the heat required for the process.
Product Usage Instructions
Materials
- The product includes refractory bricks, monolithic materials, and precast shapes tailored for specific industry needs.
Installation
- Install the Hot Blast Stove according to the manufacturer’s guidelines and industry standards.
- Ensure tight dimensional tolerances and proper alignment for optimal performance.
Maintenance
- Regular maintenance is crucial to ensure longevity and efficiency.
- Inspect for any signs of wear or damage and address promptly.
Usage
- Operate the Hot Blast Stove as per the requirements of the blast furnace process.
- Monitor temperature and airflow to maintain consistent performance.
FAQ
- Q: What is the role of a Hot Blast Stove in the iron plant?
- A: The Hot Blast Stove acts as a heat exchanger, providing high-temperature air to the blast furnace, and contributing to the heating process.
- Q: How does Gouda Refractories add value to its refractory solutions?
- A: Gouda Refractories focuses on tailored solutions for critical areas, offering materials with tight dimensional tolerances and low creep values for enhanced performance.
Introduction
Iron & Steel Industry
-
Gouda Refractories delivers complete alumina refractory solutions for all types of installations in the Iron & Steel Industry. Rather than supplying commodities, Gouda Refractories focuses on finding the best possible solution for critical areas.
-
Gouda Refractories supplies refractory materials for critical areas in the iron & Steel Industry.
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Since 1901, Gouda Refractories has proven that the company adds extra value when designing and producing refractory linings. Its state-of-the-art production facilities does not just deliver refractory bricks, monolithic and precast shapes, but offer worldwide customer-specific total solutions for the iron & steel, nonferrous metals, petrochemical, environment & energy, and cement industries.
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Every industry has its specific challenges and demands. Whether it’s a greenfield project or maintenance, Gouda Refractories seamlessly matches the design and the choice of materials to the specific needs of the industry and process. Longevity, ease of installation, and consistency are all top priorities.
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Dialogue and cooperation with the customer mean that products for any specific application can be developed.
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A Hot Blast Stove is one of the main equipment for the Blast Furnace of the iron plant. The function of the hot blast stove is to act as a heat exchanger, continuously providing high-temperature hot air for the blast furnace. Approx.
-
25% of the heat required for a blast furnace comes from the hot blast stove.
Material Properties
Material Properties
Monolithics
|
Description
| Material Properties| Chemical Analysis| Physical Properties
Max. Serv. Temp.|
Density
|
Al 2 O 3
|
SiO 2
|
Fe 2 O 3
|
CCS
|
PLC
°C| kg/m³| %| %| %| MPa| 1400 °C
CURON 160| Dense refractory andalusite-based castable| 1.600| 2.450| 63| 30|
1| 25| +0,6 / -0
CURON 160 GM| Dense refractory andalusite-based gunning mix| 1.600| 2.350| 61|
33| 1| 20| +0,6 / -0
---|---|---|---|---|---|---|---|---
CURON 160 HS| Dense refractory castable| 1.600| 2.300| 62| 30| < 1,5| 70| +0 /
-0,4
CURON 160 HS GM| Dense refractory gunning mix| 1.600| 2.200| 65| 29| < 1,5|
60| +0 / -0,4
VIBRON 160 H| Dense low cement refractory castable| 1.600| 2.500| 63| 31| 1,5|
80| +0 / -0,3
VIBRON 160 H GM| Dense low cement refractory gunning mix| 1.600| 2.350| 63|
31| 1| 40| +0 / -0,3
CURON 130| Dense refractory castable| 1.300| 2.000| 35| 49| | 25| +0,5 / -0,5
CURON 130 GM| Dense refractory gunning mix| 1.300| 1.950| 33| 49| | 15| +0,2
/ -0,5
__
__
Dense Bricks
| __
__
Description
| Material Properties| Chemical Analysis| Physical Properties
---|---|---|---|---
Max. Serv. Temp.| __
Density
| __
Al 2 O 3
| __
SiO 2
| __
Fe 2 O 3
| __
CCS
| __
Porosity
°C| kg/m³| %| %| %| MPa| %
SiC90| Dense refractory brick based on SiC| 1.650| 2.600| 92% SiC| 80| 15
AK 65 X| Dense refractory brick with high-low creep| 1.680| 2.800| 69| 28| <
1| 80| 14
ULP 60| Dense refractory brick with low porosity| 1.680| 2.650| 62| 35| < 1|
100| < 8
AK 60 X| Dense refractory brick with high-low creep| 1.680| 2.550| 60| 37| <
1| 70| 13
AK 60 A| Dense refractory brick based on andalusite| 1.680| 2.550| 60| 37| <
1| 90| 13
AK 46 S| Dense refractory fireclay brick with low creep| 1.550| 2.400| 49| 47|
< 1,2| 50| 15
AK 45| Dense refractory fireclay brick| 1.500| 2.300| 45| 50| < 1| 55| 16
A| Dense refractory fireclay brick| 1.400| 2.150| 40| 53| < 2| 35| 20
__
__
Fired Prefab Shapes
| __
__
Description
| Material Properties| Chemical Analysis| Physical Properties
---|---|---|---|---
Max. Serv. Temp.| __
Density
| __
Al 2 O 3
| __
SiO 2
| __
Fe 2 O 3
| __
CCS
| __
Porosity
°C| kg/m³| %| %| %| MPa| %
V 140 PT| Fired fire clay-based Prefab Shape| 1.400| 2.250| 47| 43| < 1,5| 50|
20
V 163 A| Fired andalusite-based Prefab Shape| 1.600| 2.500| 62| 32| < 1| 80|
18
V 168 H| Fired mullite-based Prefab Shape| 1.600| 2.300| 64| 31| < 1,5| 100|
19
V 188 H| Fired corundum-based Prefab Shape| 1.760| 3.000| 94| 5| < 0,2| 100|
20
__
__
Mortars
| __
__
Description
| Material Properties| Chemical Analysis| Physical Properties
---|---|---|---|---
Max. Serv. Temp.| Max. Grain Size| __
Al 2 O 3
| __
SiO 2
| __
Fe 2 O 3
| __
Na 2 O + K 2 O
| __
SiO
°C| mm| %| %| %| %| %
ADHESIET A| Air Setting Mortar based on Chamotte| 1.450| 0,5| 38| 53| 2| 3,5|
0
ADHESIET 160| Air Setting Mortar based on sintered bauxite| 1.600| 0,5| 75|
18| 1,5| 2| 0
---|---|---|---|---|---|---|---|---
ADHESIVE K80| Air Setting Mortar based on silicon carbide| 1.600| 0,5| 3| 12|
1| 2| 80
HS 160| Heat Setting Mortar based on bauxite| 1.600| 0,5| 80| 15| 1,5| 0| 0
making it possible
For each of the hot blast stove sections, different types of refractories are used to reduce the total cost and to carefully select products that can withstand the typical wear mechanisms. Not only the operating conditions are considered when selecting the optimal products, also the best method of installation must be considered when selecting the type of refractory.
Gouda can supply the full scope of alumina refractory products: dense bricks,
special prefab shapes, checker bricks, insulation bricks, castables, blankets,
and anchors. The only exception is the silica materials.
As each section has its critical demands for the refractory properties, the
general most important properties of the refractory materials are:
- Thermal shock resistance to accommodate temperature difference caused by the cyclic operation.
- High Strength (expressed in CCS and HMOR) and a low creep rate. A Hot blast stove is a high tower, the lower sections take the compressive stress from the refractory above, while at elevated temperatures.
- Abrasion Resistance to withstand the airflow in the stove.
- High Resistance against Chemical Abrasion
- Low Permanent Linear Change (PLC)
- Large Heat Capacity of the checker bricks to keep the heat when the flow direction is changed from the heating to the cooling stage.
- Tight dimensional tolerances. The Regenerator Port consists of a large number of checker layers.
The height of checkers is therefore categorized in different bandwidths. Gouda has two measuring systems to categorize and color-mark each checker.
Checker Heigth Sizing (Band Colors)
CONTACT
Gouda Refractories BV
- Goudkade 21, 2802 AA Gouda
- The Netherlands
- +31 (0)182 59 14 00
- info@goudarefractories.com
- www.goudarefractories.com
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