Customer Cases

Customer information：

Raw materials: 

• Mixed iron ore concentrate

Difficulty:

• The binder dosage is low and it does not contain inorganic substances
• Increase feeding amount
• Improve the pellet output and qualification rate

Jianjie Solution:

We developed the customized pellet organic binder in accordance with the customer’s raw material situation and requirements. We also arrange our technical team to provide onsite technical guidance at the same time. After actual production test, the feeding rate was increased by 15% and qualification rate increased by 10%, monthly production capacity will increase by about 50,000 tons. Therefore, there is a significant effect in increasing production by using Jianjie binder.

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Customer information:

Raw materials: 

• Mixed iron ore concentrate

Difficulty:

• CCS reached above 280KG
• Low dosage
• Lower cost

Jianjie Solution:

We developed the customized pelletizing organic binder for customers based on their raw material conditions and requirements. After actual production test , the binder dosage was 0.04%. The CCS reached 290KG-300KG and the customer was very satisfied.

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Customer Information:

Raw materials: 

• Mill scale 60%（ph7）＋Steel slag magnetic separation fines 10%（ph14)＋dedusting ash 30%

Difficulty:  

• Those briquettes will be used in converter instead of scrap as a coolant
• Air-dired,cost reduction, less dosage   
• The binder must not contain calcium and magnesium in composition
• After 3 days of natural drying, the strength can meet the requirements of BOF steel making.

Jianjie Solustion:

We developed the customized air-dried binder according to the raw material conditions and requirements of customers. It not only perfectly solved the problem that customers did not have drying equipment and the pH value of raw materials was too high, but also helped customers reduce 10% of production costs. After actual production tests, the briquettes made with Jianjie binder meet all the requirements of BOF steelmaking and customers were very satisfied with it.

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Customer Information:

Raw materials: 

• 28% dedusting ash,68% slaked dedusting ash and 12% coke fines.
• pH=14 1% active calcium oxide

Difficulty:  

• To make metallized briquettes in the RHF(rotary hearth furnace) dezincification process.
• Roasting under the high temperature of 1250℃,for 25-30min,RDI(reduction disintegrity index) will under 20%
• low cost 

Jianjie Solustion:

According to the raw material conditions and roasting requirements of customers, we have developed a customized binder that has both calcium resistance effect and pulverization reduction. After actual production tests, the briquettes produced using Jianjie binder did not disintegrate. and the customer's RDI(reduction disintegrity index) was reduced by 10%, thus helping customers save costs.

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Customer Information:

Raw materials: 

• iron ore powder（grade around 60,pH=7)
• multi-mixture raw materials like iron-bearing dust(Finer grain size)
• multi-mixture material like steel slag and iron-bearing sludge(8% moisture)

Difficulty:  

• Used in small blast furnace to make sponge iron
• CCS should up to 2000N
• lower costs

Jianjie Solution:

We developed customized binder with high compressive strength and low cost based on the raw material conditions and furnace requirements of customers. After actual production tests, the dry strength of briquettes produced using Jianjie binder exceeded customer expectations and reached more than 2450N.

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Customer Information:

Raw materials: 

• Washed phosphorous powder, grade 28% 

Difficulty:  

• Use in EAF to make phosphorus
• The briquettes should have enough strength to resist the temperature of 500-800℃ 
• There should be no pulverization and the cost should be reduced.

Jianjie solution:

After using Jianjie phosphorous powder binder, the thermal strength of the briquettes reached 120Kg after being roasted at 500℃ for 1h, and reached 95KG after being roasted at 800℃ for 1h. The customer also said that compared with the binder used before, it not only improved the high temperature resistance, but also increased the reference of the briquettes and the original ore by 30%.

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