Cement Furnace-Dry Process, Energy-Saving, Long-Life for Large Cement Plants Industrial Kiln Manufacturers Building Material Rotating Kiln

Product Description

Company Profile

Shandong Bullis Metallurgical Engineering Co., Ltd. is a subsidiary of Heze Shuanglong Metallurgical Machinery Group and is located in Shandong Province, China. Shuanglong Group is a leading large-scale industrial intelligent equipment manufacturing enterprise. It has a registered capital of 111.1 million yuan, more than 200,000 square meters of factory area, and more than 420 employees. The company's main business include equipment manufacturing, production line design, R&D, manufacturing, commissioning, operation and other engineering general contracting. The business segment involves metallurgy, building materials, chemical industry, environmental protection, new energy and other fields, providing customers with one-stop equipment and engineering overall solutions.

Product Description

Rotary Kiln for Cement, Lime, Nickel, and Zinc Oxide Production: A Comprehensive Overview

A rotary kiln is a crucial piece of equipment used in a variety of industries, including cement production, lime processing, and the production of minerals such as nickel and zinc oxide. This versatile machine operates continuously to process raw materials by rotating at a controlled speed while exposing them to high temperatures in a precisely controlled environment. The rotary kiln plays a central role in transforming raw materials into valuable products through calcination, sintering, or other thermal treatments.

Key Applications in Industry

1. Cement Production: In cement plants, rotary kilns are used for the production of clinker, the primary ingredient in cement. The process involves heating limestone and other materials to temperatures of around 1400-1600°C, which triggers chemical reactions that form clinker. The rotary kiln's continuous rotation and high-temperature environment ensure that the materials are uniformly heated, leading to a consistent and high-quality product.

2. Lime Production: Lime is produced through the calcination of limestone, a process in which calcium carbonate (CaCO3) is heated in a rotary kiln to produce calcium oxide (CaO) and carbon dioxide (CO2). Lime is used in a variety of industries, including steelmaking, water treatment, and chemical manufacturing. The rotary kiln's ability to maintain consistent temperatures and heat distribution is essential for efficient lime production.

3. Nickel Processing: Nickel is a vital component in stainless steel and other alloys, and rotary kilns are used to process nickel ore. In this process, nickel-bearing ores such as laterite are subjected to high temperatures to produce nickel oxide, which can then be reduced to pure nickel. The rotary kiln's high heat capacity and controlled environment make it ideal for this type of thermal processing, ensuring high efficiency and quality.

4. Zinc Oxide Production: Rotary kilns are also used in the production of zinc oxide, which has applications in the rubber, chemical, and pharmaceutical industries. Zinc ores like zinc blende (sphalerite) are heated in the rotary kiln to produce zinc oxide, a critical material in various industrial processes. The consistent temperature control in the kiln ensures the proper conversion of zinc to oxide, providing high-quality zinc oxide for downstream applications.

Advantages of Rotary Kilns

• High Efficiency: Rotary kilns are designed for high-temperature processes, ensuring efficient heat transfer and uniform material processing. This leads to higher production yields and better product quality.

• Versatility: The rotary kiln's ability to handle a wide range of materials-whether they are limestone, nickel ore, or zinc ores-makes it highly versatile across different industries.

• Continuous Operation: The continuous operation of rotary kilns ensures that large volumes of materials can be processed without interruption, optimizing production efficiency.

• Customizable Design: Rotary kilns can be customized in terms of size, rotation speed, and heating zones to meet the specific requirements of various production processes.

Conclusion

The rotary kiln is an indispensable piece of equipment in the production of cement, lime, nickel, and zinc oxide. Its ability to process materials at high temperatures while maintaining consistent and controlled conditions makes it essential for the efficient production of these critical industrial materials. Whether in the cement industry, lime production, or mineral processing, the rotary kiln's versatility, efficiency, and reliability ensure that it remains a cornerstone of modern manufacturing processes.

If you're looking to invest in a rotary kiln for your plant, it's important to choose one that meets the specific demands of your production process and offers high efficiency, durability, and ease of maintenance. With its broad range of applications and benefits, the rotary kiln continues to be a key technology in industrial production worldwide.

Product Parameters

Specification(m)			φ2.8/2.5×44	φ3×48	φ3.2×50	φ3.3×50	φ3.5×54	φ4×60	φ4.3×64	φ4.8×74	φ5.0×74		φ5.6×87		φ6.0×95
Capacity(t/d)			300	600-700	1000	1200	1500-1800	2500	3500	5000	6000	8000		10000
Slope of the kiln shell (%)			3.5	3.5	3.5	4	4	4	4	4	4	4		4
No. of supporters			3	3	3	3	3	3	3	3	3	3		3
Type of thrust roller			Mechanical	Mechanical or Hydraulic	Hydraulic	Hydraulic	Hydraulic	Hydraulic	Hydraulic	Hydraulic	Hydraulic	Hydraulic		Hydraulic
Rotary speed of kiln		Main driving (r/min)	0.445-2.22	0.676-3.38	0.36-3.57	0.36-3.57	0.39-3.9	0.41-4.07	0.4-4.0	0.35-4	0.35-4	Max4.23		Max5
		Auxiliary driving (r/min)	4.75	9.36	6.5	5.61	7.66	8.2	7.93	8.52	7.58	8.7		9.2
Main driving	Motor	Type	ZSN4-225-21	Z2-101	ZSN4-280-191B	ZSN4-280-191B	ZSN4-315-092	ZSN4-355-092	ZSN4-355-12	ZSN4-450-092Lp44	ZSN4-450-092	ZSN4-450-12		ZSN4-500-092
		Rated power(kw)	55	100	160	160	220	315	400	630	710	800		950×2
		Seed regulation Range(r/min)	~1000	~1500	1500	1500	1000	1000	100-1000	1500	87.5~1000	100~1000		100~1000
		Rated voltage(V)	440	220	440	440	440	440	440	660	600	600		600
	Reducer	Type	ZS145-1-1	ZS145-1-1	ZSY-450-40-V	ZSY450-40	NZS995-28VIBL	YNS1110-22.4VBR	YNS1400-3105VIBL	JH710C-SW305-40	JH280C-45	JH900C-SW305-25		JH900C-SW305-28
		Total speed ratio	49-63	50	40	40	28	22.4	31.5	42.226	28	23.901		26.646
Auxiliary driving	Motor	Type	Y122M-4	Y160M-6	Y160M-4B	Y160M-4	Y200L1-6	Y180L-4	Y200L-4	Y225M-4 lp44	Y250M-4	Y280M-4		Y315M1-4
		Rated power (kw)	4	7.5	15	11	18.5	22	30	55	55	90		132
		Rated rotary Speed (r/min)	1440	970	1460	1460	970	1470	1470	1480	1480	1480		1490
		Rated voltage(v)	380	380	380	380	380	380	380	380	380	380		380
	reducer	Type	ZL35-16	ZL35-7-1	ZSY160-31.5-II	ZSY355-31.5	ZSY355	YNS440-45IIR	YNS497-45ZC	JH220C-SW302-28	JH280C-45	ZSY400-35.5-		ZSY450-35.5-
		Total speed ratio	40.44	14	31.5	31.5	45	45	45	28	45	35.795		35.795
Total weight (excluding refractory brick)(t)			177	213	280.6	317	341	434	562	854	885	1201		1580