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Xiaoyi City Jingang Refractory Materials Co., Ltd. was established in 2019. It is a provincial-level specialized, refined, distinctive, and innovative enterprise, a national high-tech enterprise, an innovative small and medium-sized enterprise, and a municipal technology center.

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Product Description

- Commodity name: Alumina in a rotary kiln
The rotary kiln is installed at an incline and rotates continuously, making it widely used for the high‑temperature calcination of bauxite. It offers advantages such as low energy consumption, simple operation, minimal environmental pollution, high operational availability, and strong fuel flexibility.

Rotary Kiln Bauxite · Technical Manual
Rotary kiln Bauxite
Alumina in a rotary kiln is designed for high-temperature industrial applications where stable calcination and dependable material performance are important. rotary kiln bauxite is processed through controlled heating to transform selected bauxite into a more stable calcined material. The product can be used in refractory materials and other applications that require heat resistance, hardness, and consistent material characteristics. Careful raw material preparation and controlled kiln operation help support reliable production quality.
The rotary kiln is installed at an incline and rotates continuously, making it widely used for the high‑temperature calcination of bauxite. It offers advantages such as low energy consumption, simple operation, minimal environmental pollution, high operational availability, and strong fuel flexibility.
Kiln type Tilt-rotary continuous type
Functional zoning Drying · Preheating · Calcination · Cooling
Fuel adaptability Coal gas · Coal powder · Fuel oil
Energy-saving advantages Reduces coal consumption by 40% compared to a reverse-flame kiln.
01
Structure and Composition of the Kiln Body
Component
Function Description
Feed section
Raw material enters, and the material is continuously fed into the kiln.
Dust collection chamber
Collect particulate matter from flue gas to reduce emissions.
Kiln body
Placed at an incline and continuously rotated, it completes the entire process of drying, preheating, and calcination.
Kiln head trolley
Support and Sealing Structure at the Kiln Head End
Hot smoke chamber
Collects high-temperature flue gas and distributes heat to each functional section.
Cooler
Rapid cooling of high-temperature finished products and recovery of waste heat.
02
Functional Zoning Process
Dry belt →
Preheating zone →
Calcination zone →
Cooling zone
03
Core Advantages of Rotary Kilns
01
Low energy consumption, high product quality
It can reduce unit coal consumption by 40% compared with conventional down-draft kilns, delivers high‑quality products with excellent stability, and enjoys a strong price‑competitive edge in the market.
02
Simple operation, minimal manual intervention.
The operation is simple and reliable, requires minimal manual intervention, and ensures a stable process.
03
Low environmental pollution and high operational efficiency.
Low environmental impact, minimal maintenance requirements, and high equipment availability.
04
Strong fuel adaptability
It is applicable to a variety of fuels, including coal gas, pulverized coal, and fuel oil.
05
Supports automated upgrades
After upgrading to an automated control system, the system has become more refined and stable.
40%
Coal consumption reduced
4 paragraphs
Functional zoning
5th gear
Product grade
6 large
Application areas
04
Main applications of bauxite
One
Aluminum smelting industry
Used in national defense, aerospace, automotive, electrical appliances, chemical industries, and everyday consumer goods, among others.
Two
Precision casting
Bauxite clinker is ground into a fine powder, formed into casting molds, and then used in precision casting for applications in the defense, aerospace, telecommunications, instrumentation, machinery, and medical device industries.
Three
Refractory products
High-alumina bauxite clinker exhibits a refractoriness as high as 1780°C, with excellent chemical stability and favorable physical properties.
Four
Aluminum silicate refractory fiber
It boasts advantages such as light weight, high-temperature resistance, excellent thermal stability, low thermal conductivity, small heat capacity, and resistance to mechanical vibration.
Five
Ladle monolithic casting
Using magnesia and calcined bauxite as raw materials, with an appropriate binder added, this material delivers excellent performance when used to cast the monolithic lining of steel ladles.
Six
Cement, Abrasives, and Chemicals
It is used in the production of aluminous cement, abrasive materials, and various aluminum compounds in the ceramics and chemical industries.
05
Physicochemical Specifications of Calcined Products
Grade No. Al₂O₃ ≥ Fe₂O₃ ≤ TiO₂ ≤ Water absorption ≤ Bulk density ≥ (g/cm³)
75 75% 1.8% 4.0% 4.0% 2.85
80 80% 1.6% 3.5% 2.7% 3.00
85 85% 1.5% 3.0% 2.0% 3.25
88 88% 1.5% 3.0% 1.7% 3.30
90 90% 1.2% 3.0% 1.5% 3.35
Alumina in Rotary Kilns · Product Technical Manual
CONFIDENTIAL — FOR INTERNAL / CLIENT USE ONLY

Grade No.	Al₂O₃ ≥	Fe₂O₃ ≤	TiO₂ ≤	Water absorption ≤	Bulk density ≥ (g/cm³)
75	75%	1.8%	4.0%	4.0%	2.85
80	80%	1.6%	3.5%	2.7%	3.00
85	85%	1.5%	3.0%	2.0%	3.25
88	88%	1.5%	3.0%	1.7%	3.30
90	90%	1.2%	3.0%	1.5%	3.35

Alumina in a rotary kiln

The rotary kiln is installed at an incline and rotates continuously, making it widely used for the high‑temperature calcination of bauxite. It offers advantages such as low energy consumption, simple operation, minimal environmental pollution, high operational availability, and strong fuel flexibility.

Category:

Bauxite

Keywords:

rotary kiln bauxite

18636462000

General Manager Su Tinglong

18335877600

Sales Department, Qin Shuhua

della@kingconref.com

kinder@kingconref.com

Retail price

Yuan