Luoyang Zhongtai Industrial Co., Ltd.
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Product presentation
The core of the process flow of the rotary kiln is to convert raw materials such as iron concentrate powder into high-strength metallurgical pellets through the pretreatment with grate and the high-temperature roasting of the rotary kiln.
The oxidation pelletizing rotary kiln is mainly used to produce pellets, which is one of the important links in steel production. Through a series of process flows, the oxidation pelletizing rotary kiln processes fine-grained iron ore concentrate into pellets with good metallurgical properties. As an important raw material for blast furnace smelting, these pellets have high mechanical strength and good reducibility, which can improve the utilization factor of blast furnaces and reduce dependence on coke, thereby reducing coke ratio and pollutant emissions.
Process flow and technical characteristics
The process flow of the oxidation pelletizing rotary kiln includes raw material preparation, pellet preparation, drying and preheating, oxidation roasting and finished product cooling. The specific process is as follows:
Raw material preparation: Mix the iron ore concentrate with an appropriate amount of water and binder to form green balls with a certain strength.
Drying and preheating: The green balls are dried and preheated in the rotary kiln.
Oxidation roasting: Oxidation roasting is carried out at high temperature to produce pellets with high mechanical strength and good reducibility.
Finished product cooling: The roasted pellets are cooled for use.
Product superiority
Luoyang Zhongtai Industrial Oxidation Pellet Rotary Kiln is the main production equipment for calcining pellets in the pelletizing plant. The accuracy of temperature detection at each point in the rotary kiln plays a decisive role in the quality, output, energy consumption, cost and safe operation of the production pellets. The rotation of the rotary kiln brings many inconveniences to the accurate measurement of the temperature in the rotating kiln body. Therefore, choosing an accurate, economical and practical rotary kiln temperature measurement system is an important means to ensure the normal production of the rotary kiln.
High efficiency: Through continuous production, production efficiency and production capacity are improved.
Energy saving and consumption reduction: The use of advanced combustion technology and heat recovery system effectively reduces energy consumption.
Environmental protection and emission reduction: Equipped with an efficient flue gas treatment system to reduce pollutant emissions.
Automation control: The use of an automated control system ensures the stability of production and the consistency of product quality
Product Parameter
| specification | basic parameter | transmission | fulcrum bearing | Baffle type | Wheel tyre(max)Φ×b(m)(t) | Big ring gearm Φ×(m)G(t) | ||||||
| inclination(%) | rotate speed(r/min) | output t/a (t/h) | type | Mechanical | Multi-point hydraulic | Number of gears | ||||||
| Motor(kw) | reduction drive | Hydraulic count | output torque kNm | |||||||||
| Φ4.0×30m | 3.5 | 0.47～1.4 | 60 (90) | One side mechanical drive | ZSN4-315-092 190KW | ZSY630 | 2 | Single hydraulic chock | Φ4.81×0.65/0.692 G=22.5 | m=28 | ||
| ratio:63 | Φ6.16×0.4 G=11.74 | |||||||||||
| Φ5.0×33m | 4.36 | 0.95 | 110 (152) | One side flexible drive | YZP400L2-6 330KW | ZSY630 | Unilateral two points | 144 | 2 | Double hydraulic chock | Φ6.1×0.766/0.85 G=50 | m=32 |
| max1.27 | ratio:40 | Φ7.296×0.7 G=38 | ||||||||||
| Φ5.0×35m | 4.25 | 0.3～1.3 | 120 (165) | One side hydraulic drive | Bilateral four points | 82.5×4 | 2 | Single hydraulic chock | Φ6.1×0.76/0.87 G=47.7 | m=36 | ||
| Φ7.343×0.6 G=37.7 | ||||||||||||
| Φ5.9×38m | 4.25 | 0.5～1.5 | 200 (268) | Double hydraulic drive | Bilateral four points | 87.5×4 | 2 | Single hydraulic chock | Φ7.2×0.96/1.0 G=81.46 | m=40 Φ8.8×0.68 G=46.4 | ||
| Φ6.1×40m | 4.25 | 0.45～1.35 | 220 (305) | Double hydraulic drive | 2 | Single hydraulic chock | Φ7.4×0.96/1.0 G=83.9 | m=40 Φ9.04×0.68 G=51.5 | ||||
| Φ6.4×45m | 4.25 | 0.45～1.5 | 240 (333) | Double mechanical drive | YP2-450L2-6 400×2 | ZSY800 ratio:63 | 2 | Single hydraulic chock | Φ7.4×0.96/1.0 G=83.9 | m=40 Φ9.04×0.68 G=51.5 | ||
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