Nozzle seating block
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Key words:
Overall breathable brick
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purging plug
Product description
Introduction of breathable brick technology
Breathable bricks are the key air supply components for steelmaking bottom blowing technology. At present, the air supply components of the bottom blowing system commonly used in the iron and steel metallurgy industry are divided into two categories according to their installation methods: built-in integral breathable bricks; replaceable externally installed split breathable bricks. The airway structure of breathable bricks is generally slit type. In recent years, the company has developed a new type of diffused breathable brick products.
From the design point of view, if the service life of the air supply components (breathable bricks and breathable seating bricks) can meet the requirements for ladle, and the blow-through success rate is not required to be high, choose the overall breathable brick, which is safe and easy to install; if the service life can’t meet the requirements for the working lining of the ladle, and the blow-through success rate is required to be high, and the production pace is fast, please choose a split breathable brick, which can ensure the blow-through success rate, ensure the normal operation of production, and achieve the comprehensive utilization of ladle refractory materials, reduce costs and improve economic benefits.
The steel ladle bottom blowing breathable brick is a functional element with harsh conditions of use. During use, it is very seriously eroded by air flow and high temperature molten steel. With the increase of high-quality steel and the continuous improvement of the ladle age, the requirements for the quality of breathable bricks are getting higher and higher. Therefore, proper selection of high-quality raw materials, strict production process control and perfect quality control system can lay a foundation for producing breathable brick products with stable quality.
R&D capability and quality control
The product research and development of Xuanshi Company is undertaken by the technical quality department, and the company’s technology and quality are in the charge of vice general manager; the product quality control is in the charge of production department and the technical quality department. The control methods are shown as follows:
We will design and manufacture various equipment and facilities in line with the formula and process characteristics of Xuanshi Company, such as mixing equipment, vibration molding equipment, curing equipment, firing equipment and constant temperature molding environment.
Choose experienced and professional production managers and production staff.
Each process is taken as a unit. Assign a special person to take charge of each process.
Design reasonable product tracking management methods.
Key points of inspection and detection:
A Raw material quality inspection
Raw material suppliers must be qualified suppliers.
After each batch of raw materials is put into storage, it will be inspected by the technical quality department, and it can be put into production after passing the inspection.
B Production process supervision
Each process and key checkpoints shall be strictly controlled.
C Product quality inspection
Finished products are inspected and recorded according to relevant standards.
Approval procedures will be handled for qualified products.
For non-conforming products, they must be judged to be scrapped, the reasons should be found out, relevant records should be filled out, and suggestions for handling should be made to the higher authorities.
Production capacity of breathable bricks
The company has an annual production capacity of 50,000 breathable bricks.
Main production equipment is shown as follows:
|
Equipment name |
Quantity |
Purpose |
|
Fully automatic dosing system |
1 line |
Premixing of raw materials |
|
New powerful mixer |
6 sets |
Forming and stirring |
|
Variable frequency vibrating table |
6 sets |
Vibration and molding |
|
Curing kiln |
12 line |
Product maintenance |
|
Drying kiln |
4 line |
Product drying |
|
High temperature firing kiln |
6 units |
Firing of breathable bricks |
Main testing equipment and uses are shown in the table:
|
Equipment name |
Model or specification |
Remark |
|
High temperature bending test machine |
|
|
|
Thermocouple dilatometer |
|
|
|
High temperature rotary anti-slag machine |
|
|
|
Normal temperature pressure test machine |
|
|
|
Body density and apparent porosity detector |
|
|
|
High temperature refiring test furnace |
|
|
Main performance table of breathable brick and nozzle brick
|
Serial number |
User unit |
Refined |
Steel ladle (ton) |
Steel grade |
Product |
Service life |
Supply time |
|
1 |
Hangzhou Iron and Steel Company |
LF |
60 |
Plain carbon steel |
Breathable brick |
60 |
2014 -2016 |
|
2 |
Tangshan Wenfeng Iron and Steel Company |
LF |
100 |
Plain carbon steel |
Breathable brick |
45 |
2014 -2016 |
|
3 |
Hebei Puyang Steel Plant (Secondary Steelmaking) |
LF |
150 |
Plain carbon steel |
Breathable brick |
55 |
2014 -2017 |
|
4 |
Taiyuan Iron and Steel Company (Secondary Steelmaking) |
VOD |
180 |
Stainless steel |
Breathable brick |
12 |
2015 -2017 |
|
5 |
Tangshan Iron and Steel Secondary Steelmaking |
LF |
65 |
Variety of steel |
Breathable brick |
45 |
2015 -2017 |
|
6 |
Tangshan Tangyin Iron and Steel Company |
- |
120 |
Plain carbon steel |
Breathable brick |
40 |
2015 -2017 |
|
7 |
Taiyuan Iron and Steel Company (Secondary Steelmaking) |
VOD |
181 |
Stainless steel |
Nozzle brick |
36 |
2015 -2018 |
|
8 |
Tangshan Steel’s stainless steel |
LF |
180 |
Plain carbon steel |
Breathable brick |
22 |
2017 -2021 |
|
9 |
Quzhou Yuanli Steel Plant |
LF+VD |
70 |
Plain carbon steel |
Breathable brick |
65 |
2016 |
|
10 |
Benxi Iron and Steel Company |
|
|
|
Breathable brick |
|
2016 |
|
11 |
Yanshan Iron and Steel Company |
LF+RH |
180 |
Plain carbon steel+PC |
Breathable brick |
40 |
2016 -2018 |
|
12 |
Tangshan Xinda Iron and Steel Company |
- |
120 |
Plain carbon steel |
Breathable brick |
70 |
2016 -2018 |
|
13 |
Tangshan Ganglu Iron and Steel Company (Old Area) |
LF |
60 |
Plain carbon steel |
Breathable brick |
40 |
2016 2019 |
|
Tangshan Ganglu Iron and Steel Company (New Area) |
LF |
150 |
Plain carbon steel |
Breathable brick |
35 |
2016 -2019 |
|
|
14 |
Zhangjiagang Lianfeng Steel Plant (Primary Steelmaking) |
LF |
45 |
Plain carbon steel |
Breathable brick |
80 |
2016 -2019 |
|
15 |
Tangshan Jiujiang Iron and Steel Company |
- |
80 |
Plain carbon steel |
Breathable brick |
120 |
2016 -2020 |
|
16 |
Shandong Luli Steel Plant (Converter) |
LF |
120 |
Plain carbon steel |
Breathable brick |
38 |
2016 2021 |
|
Shandong Luli Steel Plant (Converter) |
LF |
121 |
Plain carbon steel |
Nozzle brick |
38 |
2016 2021 |
|
|
17 |
Shandong Luli Steel Plant (Electric furnace) |
LF |
100 |
Plain carbon steel |
Breathable brick |
35 |
2016 -2021 |
|
Shandong Luli Steel Plant (Electric furnace) |
LF |
100 |
Plain carbon steel |
Nozzle brick |
35 |
2016 -2021 |
|
|
18 |
Tangshan Zongheng Steel |
LF |
240 |
Plain carbon steel |
Breathable brick |
33 |
2019 |
|
19 |
Jiujiang, Jiangxi |
|
|
|
Breathable brick |
65 |
2021 To date |
|
20 |
Shandong Shiheng |
|
|
|
Breathable brick |
80 |
2021 To date |
|
21 |
Tangshan Kaiheng |
|
|
|
Breathable brick |
|
2021 Annual test |
|
22 |
Dalian Special Steel |
|
|
|
Breathable brick |
|
2020 To date |
|
23 |
Fujian Fuhua |
|
|
|
Breathable brick |
|
2020 To date |
|
24 |
Shandong Linyi Yongfeng |
|
|
|
Breathable brick |
40+ |
2020 To date |
|
25 |
Shenglong Metallurgical Phase II |
LF |
180 |
|
Breathable brick |
45+ |
2020 To date |
|
26 |
Taihang Steel |
|
|
|
Breathable brick |
|
2019 To date |
|
27 |
Rizhao Third Steelmaking ESP |
LF |
300 |
Plain carbon steel |
Breathable brick |
28 |
2019 To date |
|
Rizhao Third Steelmaking ESP |
LF |
300 |
Plain carbon steel |
Nozzle brick |
28 |
2019 To date |
|
|
28 |
Shandong Qihe Yongfeng |
|
|
|
Breathable brick |
40+ |
2019 To date |
|
29 |
Tianjin Steel Plant |
LF |
100 |
Plain carbon steel |
Breathable brick |
50+ |
2018 To date |
|
30 |
Fugang Secondary Steelmaking Plant |
|
|
|
Breathable brick |
|
2018 To date |
|
31 |
Hanye Special Steel |
LF+VD |
120 |
Variety of steel |
Breathable brick |
50+ |
2018 To date |
|
32 |
Hanye Special Steel |
LF+VD |
120 |
Variety of steel |
Nozzle brick |
50+ |
2018 To date |
|
33 |
Jilin Tonghua |
|
|
|
Breathable brick |
40 |
2018 To date |
|
34 |
Rongsheng Xiaozhuan |
LF |
45 |
Plain carbon steel |
Breathable brick |
60 |
2018 To date |
|
35 |
Shagang Hongfa No.1 Workshop |
LF+RH |
180 |
Plain carbon steel |
Breathable brick |
40 |
2018 To date |
|
36 |
Shenglong Metallurgical Phase I |
|
80 |
Plain carbon steel |
Breathable brick |
150+ |
2018 To date |
|
37 |
Tiangang United |
LF |
180 |
Plain carbon steel |
Breathable brick |
50+ |
2018 To date |
|
Tiangang United |
LF |
180 |
Plain carbon steel |
Nozzle brick |
50+ |
2017 To date |
|
|
38 |
Tangshan Steel Medium and Thick Plate |
LF |
180 |
Plain carbon steel |
Breathable brick |
80 |
2017 To date |
|
39 |
Xiangtan Iron and Steel Company |
LF+VD |
120 |
Variety of steel |
Breathable brick |
40+ |
2017 To date |
|
40 |
Zhuhai Yueyufeng |
|
|
|
Breathable brick |
|
2016 To date |
|
41 |
China Railway (Cangzhou) |
LF |
150 |
Plain carbon steel |
Breathable brick |
30+ |
2016 To date |
|
China Railway (Cangzhou) |
LF |
151 |
Plain carbon steel |
Nozzle brick |
30+ |
2016 To date |
|
|
42 |
Malaysia |
LF |
120 |
Plain carbon steel |
Breathable brick |
- |
2016 To date |
|
43 |
Malaysia |
LF |
121 |
Plain carbon steel |
Nozzle brick |
- |
2016 To date |
|
44 |
Shandong Xiwang Special Steel (Die Casting) |
LF+VD |
120 |
Bearing steel |
Breathable brick |
20 |
2016 To date |
|
Shandong Xiwang Special Steel (Die Casting) |
LF+VD |
121 |
Bearing steel |
Nozzle brick |
40 |
2016 To date |
|
|
45 |
Shandong Xiwang Special Steel一Refined |
LF |
120 |
Plain carbon steel |
Breathable brick |
40 |
2016 To date |
|
Shandong Xiwang Special Steel一Refined |
LF |
121 |
Plain carbon steel |
Nozzle brick |
40 |
2015 To date |
|
|
46 |
Lianyuan Iron and Steel Company 210 Converter |
LF+RH |
211 |
Special steel |
Nozzle brick |
50+ |
2015 To date |
|
Lianyuan Iron and Steel Company 210 Converter |
LF+RH |
210 |
Special steel |
Breathable brick |
28 |
2015 To date |
Main customers of breathable bricks and nozzle bricks
|
Client name |
Main market |
|
Baowu Equipment Intelligent Technology Co., Ltd. |
United Steel Malaysia, Shenglong Phase I, Shenglong 210, Liangang 210, etc. |
|
Xiangtan Iron Ruitai Technology Co., Ltd. |
Xiangtan Iron Steelmaking Plant and Xiangtan Iron Five-meter Plate Factory, |
|
Dashiqiao Jinlong Refractory Co., Ltd. |
Shenglong Phase II, Zongheng Steel, Yongfeng Steel, Rizhao Steel, etc. |
|
Zhengzhou Huaxiang Refractories Co., Ltd. |
China Railway (Cangzhou) |
|
Dashiqiao Xinhua Magnesium Co., Ltd. |
Tiangang United Special Steel |
|
Dashiqiao Longyufu Refractory Co., Ltd. |
Hanye Special Steel, Yongda Steel Plant, etc. |
|
RHI Refractories (Dalian) Co., Ltd. |
Pinggang, Jinshenglan, etc. |
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At present, the company's core products are ladle-blown argon permeable bricks, among which the company's leading products such as corundum spinel permeable bricks and various high-grade prefabricated parts are well received by users.
Contact us
Manager Zhang：+86 13838431512
Mail：crf6701@sina.cn
ADD：Dongda Science and Technology Industrial Park, Jingjin North Road, Luoxin Industrial Cluster, Luoyang City, Henan, China
COPYRIGHT © Luoyang Xuanshi New Material Technology Co., Ltd.
