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The sintering ring cooling machine is used to cool the hot sinter unloaded from the sintering machine, and collect the waste heat, and finally achieve the purpose of the ore material suitable for transportation.
⚙️ Description of Sintering Ring Cooling Machine
Sintering ring cooling machine is one of the main equipment in the metallurgical sintering process. It has good structural stability, good sealing effect, high waste heat recovery efficiency and cooling efficiency, and significantly improves the site environment. Waste gas from sintering ring cooling machine can be used for waste heat power generation or hot air sintering to achieve zero emission.
In 2020, NHI independently developed a new type of high-quality and efficient sintering ring cooling machine. Through technical innovation of pallet car structure, sealing unit, cover assembly, transmission unit, etc., the structural performance of the sintering ring cooling machine has made a qualitative leap.
⚙️ Model and Specification of Sintering Ring Cooling Machine
Effective cooling area/㎡: 235~650
Pallet car width/m: 3.0~3.7
⚙️ Technical Parameters
|
Effective cooling area /㎡ |
320 |
396 |
460 |
520 |
600 |
650 |
|
Capacity / t/h |
~750 |
750~900 |
880~1060 |
1000~1150 |
1500 |
1500 |
|
Medium Diameter /m |
Φ35 |
Φ42 |
Φ48.3 |
Φ53 |
Φ58 |
Φ63 |
|
Trolley width /m |
3.3 |
3.5 |
3.5 |
3.5 |
3.7 |
3.7 |
|
Trolley Qty |
64 |
75 |
64 |
96 |
100 |
120 |
|
Layer thickness /m |
1.5 |
1.5 |
1.5 |
1.5 |
1.5 |
1.5 |
|
Power / kW |
2×18.5 |
2×18.5 |
2×18.5 |
3×18.5 |
3×18.5 |
3×18.5 |
⚙️ Technical Characteristics of Sintering Ring Cooling Machine
(1) Optimized pallet car structure
Pallet car assembly adopts the upper and lower split assembly structure, which is convenient for on-site installation and disassembly and maintenance.
(2) Optimized mechanical sealing unit
A new floating mechanical seal unit has been developed, which can realize external maintenance and solve the problems of traditional mechanical seal maintenance and safety of maintenance personnel. The air leakage rate is less than 10%. This technology has been applied to Tangshan Ganglu and Jinan Iron and Steel Annular cooler Project.
(3) Improved new joint sealing unit
A new combined sealing unit has overcome the shortcomings of high air leakage rate of mechanical seal structure and high pressure of liquid seal structure water tank to remove silt. The sealing effect is also more guaranteed. The air leakage rate is less than 5%. It has been applied to the annular cooler project of Anyang Iron and Steel Group Xinyang Iron and Steel Co., Ltd.
(4) Optimized cover assembly structure
A new thermal insulation cover structure makes the waste heat recovery airflow smoother and improves the waste heat recovery rate.
(5) Optimized structure of reset roll
Structure of the reset roll is optimized to make the roll surface fully contact with the lower surface of pallet, and the bearing force of the shaft is more reasonable.
(6) Pin-tooth drive with compensation function
Transmission unit equipped with compensation function can better contact the sprocket and chain, and has been applied to the project of Jinan Iron and Steel Co., Ltd.
⚙️ Main Experience Projects
Xingcheng Special Steel, Angang Group, Hebei Huaxin Project, etc (13 sets)
⚙️ After-sales Service 400-600-4666 (24 Hour Online)
NHI's after-sales service center is equipped with a team of over 200 experienced engineers, who provide year-round services for various projects in China and overseas. They offer comprehensive on-site support, including son-site parts inspection, installation guidance, operation training, equipment commissioning, and performance testing for final acceptance. The team promptly provides technical support for any issues that arise during equipment operation and system, ensuring full-process service for users.
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