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SCR project of Chongqing Cement Plant, delivery site of aluminum silicate fiber blanket

Release Time: 2025-09-30
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The morning sun shines on the SCR denitrification project site of a large cement plant in Chongqing, and the roar of machines and the busy figures of workers interweave into a hot construction picture. At this moment, a transport convoy with the words "Rosewool Insulation Refractory Co.,Ltd" slowly drove into the scene. The neatly stacked aluminum silicate fiber blankets in the carriage were about to be put into the insulation construction of the SCR reactor. This timely delivery is not only a key supply for the project construction, but also demonstrates Rosewool's efficient performance as a professional insulation refractory material manufacturer, injecting strong momentum into the smooth progress of the project. ​

Technical Parameters

Type COM ST HP HA Zir-Alu HZ
Classified Temp. 1100℃
(2012℉)
1260℃
(2300℉)
1260℃
(2300℉)
1360℃
(2480℉)
1400℃
(2550℉)
1430℃
(2606℉)
Working Temp. <1000 ℃
(1832℉)
1050℃
(1922℉)
1100℃
(2012℉)
1200℃
(2192℉)
1200℃
(2192℉)
1350℃
(2462℉)
Color white white white white white white
Density(kg/m3) 96/128
(6/8 lb/ft3)
96/128
(6/8 lb/ft3)
96/128
(6/8 lb/ft3)
128/160
(8/10 lb/ft3)
128/160
(8/10 lb/ft3)
128/160
(8/10 lb/ft3)
Linear Shrinkage (%)
(24 hrs,density 128 kg/m³)
-4
(1000℃/ 2012℉)
-3
(1000℃/1832℉)
-3
(1100℃/2012℉)
-3
(1250℃/2282℉)
-3
(1200℃/2192℉)
-3
(1350℃/2462℉)
Thermal conductivity(W/M.K)
Density 128kg/m³( 8 lb/ft3)
0.09
(400℃/752℉)
0.16
(800℃/1472℉)
0.09(
400℃/752℉)
0.16
(800℃/1472℉)
0.09
(400℃/ 752℉)
0.16
(800℃/ 1472℉) 0.20
(1000℃/1832℉)
0.12
(600℃/ 1112℉)
0.20
(1000℃/1832℉)
0.132
(600℃/1112℉)
0.22
(1000℃/1832℉)
0.16
(600℃/ 1112℉)
0.20
(1000℃/1832℉)
Tensile Strength(Mpa)
(Density 128kg/m³)
0.08-0.12 0.08-0.12 0.08-0.12 0.08-0.12 0.08-0.12 0.08-0.12
Chemical(%) Al2O3 44 46 47-49 52-55 45-46 39-40
Al2O3+SiO2 96 97 99 99 - -
Al2O3+SiO2+ZrO2 - - - -   99
ZrO2 - - - - 5-7 15-17
Fe2O3  <1.2 <1.0 0.2 0.2 0.2 0.2
Na2O+K2O ≤0.5 ≤0.5 0.2 0.2 0.2 0.2
Size(mm) 7200/3600*610/1220/10-50mm or customized as your specification
             24′/12′ * 24"/48" * 0.4"/2"

  • In the SCR project of the cement plant, the performance of insulation materials is directly related to the operating efficiency and service life of the reactor, and Rosewool's aluminum silicate fiber blanket is tailor-made to meet this core demand. Its primary advantage is its super high temperature resistance. After multiple rigorous tests, this product can work stably for a long time in a high temperature environment of 1260 ℃, fully adapting to the high temperature conditions of SCR reactor operation. It can effectively block heat loss to the outside, avoid damage to internal components of the equipment due to temperature fluctuations, and ensure the continuous and efficient operation of the reactor. ​
  • Secondly, the low thermal conductivity of the product provides strong support for energy conservation and consumption reduction in the project. Compared to traditional insulation materials, Rosewool's aluminum silicate fiber blanket has a lower thermal conductivity, which can build a dense insulation barrier and minimize equipment heat loss. According to calculations, the use of this product can help cement plants reduce the energy consumption cost of SCR systems, which is in line with the current trend of green and low-carbon development in the industrial field and helps enterprises achieve sustainable development. ​
  • Not only that, aluminum silicate fiber blanket also has excellent flexibility and convenient construction. The structure of SCR reactor is complex, with many irregular parts. Traditional insulation materials are difficult to cut and have poor adhesion, which often prolongs the construction period. The aluminum silicate fiber blanket of Rosewool has a soft texture and can be flexibly cut according to the actual size of the equipment. On site workers do not need complex tools to quickly complete the bonding construction, greatly reducing construction time and labor costs, while ensuring the integrity and sealing of the insulation layer, further improving the insulation effect. ​
  • In addition, the chemical stability of the product should not be underestimated. The SCR system will generate flue gas containing corrosive components during operation. If the insulation material has insufficient corrosion resistance, it is prone to aging, damage and other problems, which will affect the insulation effect. Rosewool aluminum silicate fiber blanket can effectively resist smoke corrosion, and is not easily deformed or deteriorated after long-term use. It extends the service life of the insulation layer, reduces maintenance costs in the later stage, and provides a solid guarantee for the long-term stable operation of the project. ​

As a strong manufacturer with over ten years of experience in the field of insulation and refractory materials, Rosewool not only provides high-performance products, but also creates more value for customers through comprehensive cooperation advantages. During the cooperation process, the company adheres to the manufacturer's direct supply model, eliminating all intermediate circulation links and directly delivering high-quality products to customers. This not only ensures controllable product quality, but also reduces procurement costs for customers, allowing them to obtain high-quality products at more affordable prices. ​
                                    
At the same time, the company has a professional logistics and distribution team and a comprehensive distribution system. For large-scale industrial projects such as the SCR project at Chongqing Cement Plant, Rosewool will communicate with customers in advance about the project progress, develop accurate logistics and distribution plans based on the construction plan, arrange transportation vehicles and time reasonably, ensure timely delivery of products to the site, avoid project shutdowns due to material shortages, and ensure that the project progresses according to plan. ​

More importantly, Rosewool also provides full cycle technical support and after-sales service. In the early stage of cooperation, the company's professional technical team will have a deep understanding of project requirements and provide customers with product selection suggestions; During the construction process, if the customer encounters technical difficulties, technical personnel can be present at any time to provide guidance; In the later stage of the project, the company will conduct regular follow-up visits to understand the usage of the product, respond promptly to customers' replenishment or maintenance requests, and ensure that customers have no worries throughout the cooperation process. ​

The smooth delivery of the SCR project at Chongqing Cement Plant is just a microcosm of the many successful cooperation cases of Rosewool. In the future, the company will continue to rely on high-quality aluminum silicate fiber blanket products and comprehensive cooperation advantages, continuously deepen cooperation with customers in various industries, provide efficient and reliable insulation solutions for more industrial projects, work together with customers to achieve mutual benefit and win-win results, and jointly write a new chapter in the development of industrial insulation.

 

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