Vertical Shaft Kiln
Introducing the Vertical Shaft Kiln (VSK) from China
As a manufacturer located in China, we are proud to introduce our latest product, the Vertical Shaft Kiln (VSK). This product is designed to meet the needs of modern industrial production, bridging the gap between traditional methods and advanced technology.
The Vertical Shaft Kiln is a high-temperature processing tool used in the production of various materials such as quicklime, cement, and other related products. Our product is designed to meet the needs of small to medium-sized users who require high-quality and efficient processing techniques in their production plants.
The VSK is the ideal solution for users looking for high-quality and reliable kilns that offer superior performance, enhanced safety, and increased productivity. Here are a few essential aspects of our VSK that we believe will attract potential merchants:
1. Enhanced Energy Efficiency
The VSK is designed to increase energy efficiency and reduce the consumption of resources during production. Our product's unique design optimizes production by using natural fuel sources such as coal or gas. It also reduces the amount of energy required to heat materials, making it an efficient and cost-effective solution for merchants.
2. Improved processing capacity
Merchants always wish to increase their production capacities. Our VSK provides an improved processing capacity compared to conventional kiln designs. This allows merchants to produce more finished products in less time, increasing the revenue for their businesses.
3. More economical and environmentally friendly
In addition to being more energy-efficient and cost-effective, the VSK delivers long-term economic and environmental benefits. The design of our product drastically reduces greenhouse gas emissions, which in turn reduces the carbon footprint of your production processes. The VSK is thus the ideal solution for manufacturers who are looking for sustainable and eco-friendly alternatives in their production plants.
4. Superior quality and durability
Our VSK is designed and built for long-term use. The kiln is made of high-quality materials that can withstand high temperatures and harsh environments. This means your merchant clients will enjoy longer lifespans for their products, reducing maintenance and repair costs. These factors increase customer satisfaction and make your product more appealing to potential customers.
5. Efficient and user-friendly
The VSK boasts an efficient and user-friendly design that simplifies the production process. It is straightforward to operate, and maintenance tasks are minimal. This means that merchants can quickly and easily train their workers to operate the machine, resulting in increased efficiency and productivity across the production line.
Conclusion
In conclusion, the VSK is a high-quality, reliable, and efficient solution for small to medium-sized manufactures looking to improve their production capabilities. The kiln comes with many advantages such as energy efficiency, eco-friendliness, durability, and easy to use features. In addition, our kiln is customizable and can be tailored to meet the specific needs of your clients. Contact us today to learn more about our VSK and how we can help you improve your production processes.
Product Introduction
A vertical shaft kiln (VSK) is a type of kiln used for the production of cement, lime, or other materials. It is widely used in various industries, including cement manufacturing, lime production, and metallurgy.
The VSK consists of a vertical cylindrical shell with a series of vertical shafts inside it. The raw materials are fed into the top of the kiln and move downward through the shafts. The kiln operates in a countercurrent flow, meaning that the gases and materials move in opposite directions.

Vertical Shaft Kiln Process
1. Raw Material Preparation
The raw materials, such as limestone or clay, are crushed and ground to a fine powder before being fed into the kiln. The exact composition of the raw materials depends on the desired end product.
2. Charging
The prepared raw materials are fed into the top of the kiln. The feed may be introduced continuously or in batches, depending on the design and operation of the kiln.
3. Heating and Calcination
As the raw materials descend through the vertical shafts, they are heated by a series of burners that provide the necessary temperature for the calcination process. Calcination is a chemical process in which carbonate minerals, such as limestone (calcium carbonate), are decomposed to produce quicklime (calcium oxide) and carbon dioxide.
4. Cooling and Discharging
Once the calcination process is complete, the hot material continues to move downward through the cooler region of the kiln. Here, the material is cooled using either ambient air or forced-air cooling. The cooled product, such as clinker or lime, is then discharged from the bottom of the kiln.
Vertical Shaft Kiln Advantages
1. Lower Capital Investment
VSKs are typically smaller and less complex compared to other kiln types, which can result in lower initial capital investment.
2. Flexibility
VSKs can handle a wide range of raw materials and are adaptable to various production requirements.
3. Energy Efficiency
The countercurrent flow in VSKs allows for efficient heat transfer, resulting in lower fuel consumption compared to other kiln types.
Technical Data
|
Capacity |
50 t/d |
100 t/d |
150 t/d |
200 t/d |
300 t/d |
400 t/d |
|
Main Equipment |
|
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|
Distributor |
DT-1 |
DT-2 |
DT-2 |
DT-3 |
DT-3 |
DT-4V |
|
Vertical Shaft Kiln |
60m³ |
150m³ |
200m³ |
250m³ |
400m³ |
500m³ |
|
Kiln Chamber Section Form |
Circular cross-section |
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|
Lime Discharger |
LD-1 |
LD-2 |
LD-2 |
LD-3 |
LD-4 |
LD-5 |
|
Calcination Temp. |
1100±50℃ |
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|
Energy Consumption Index |
950±50 kCal/kg Lime |
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|
Power Consumption Index |
25±5 kW·h/t Lime |
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|
Limestone: Lime |
1.6~1.75:1 |
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|
Light Over Burnt Rate |
≤13% |
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|
Lime Activity |
220~280 ml(depends on the composition of limestone) |
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|
Lime Discharging Temperature |
Ambient Temperature + 60℃ |
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|
Limestone Feeding Size |
30~120mm |
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|
Emission concentration |
≤30 mg/Nm3 |
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|
Working Days Per Year |
≥340 Days |
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|
Maintenance cycle/Year |
3~5times |
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|
Labor/Shift |
2-person/shift |
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|
Fuel Options |
Block anthracite, block coke coal, block petroleum coke, biomass fuel, etc. |
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