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Tunnel kiln

The tunnel kiln is a continuous industrial kiln mainly used for sintering bricks, ceramics, refractory materials and other products. Its structure is in the shape of a long tunnel.
  • Commodity name: Tunnel kiln

Category:

Description

Brief Overview

The tunnel kiln is a continuous industrial kiln mainly used for sintering bricks, ceramics, refractory materials and other products. Its structure is in the shape of a long tunnel. The kiln is divided into three functional areas: preheating, firing and cooling. The bricks are loaded from the kiln car and slowly pass through the tunnel to complete the sintering process at high temperature. Compared with traditional kilns or intermittent kilns, tunnel kilns have the advantages of high degree of automation, low energy consumption and high output, and have become the mainstream production equipment in the modern brick and tile industry.

Features and Advantages

1. Efficient and continuous production
The continuous operation is adopted, and the products move in one direction to complete the whole process of preheating, firing and cooling. The output is high and the production is fast, which meets the needs of large-scale industrial production. ​
2. Significant energy saving and consumption reduction
With the help of the waste heat circulation system, the high-temperature waste heat is recovered for preheating or combustion, and with a good insulation structure, the energy consumption and fuel costs are greatly reduced. ​
3. Accurate and stable temperature control
The segmented and zoned temperature control is combined with the automation system, and the temperature curve is set according to the product process to ensure quality consistency and reduce the scrap rate. ​
4. Intelligent operation and management
The high degree of automation, integrated PLC, sensors and other equipment, realize the real-time monitoring and control of parameters such as temperature, pressure, and propulsion speed in the kiln. Support central control remote monitoring, fault warning is convenient for maintenance, and reduces labor costs.

 

Application

Construction and building materials industry
Construction and building materials industry
Production of sintered ordinary bricks, porous bricks, hollow bricks, roofing tiles, etc.
Refractory industry
Refractory industry
Firing refractory bricks, high-alumina bricks, magnesium bricks, etc.
Environmentally friendly solid waste utilization
Environmentally friendly solid waste utilization
Processing solid waste such as coal gangue, fly ash, and construction slag to make environmentally friendly bricks.
Ceramic industry
Ceramic industry
Used for bisque firing or glaze firing of daily-use ceramics and architectural ceramics.

Key words:

Tunnel kiln

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Company Profile

Company Profile

Introduction to Henan Yaxin Kiln Co., Ltd.


Henan Yaxin Kiln Co., Ltd. is a highly professional and innovative enterprise in the field of industrial furnace design, manufacturing and service. The company focuses on providing customers with high-efficiency and environmentally friendly industrial furnace solutions, and its business scope covers the whole process of services from project consulting, engineering design, equipment manufacturing to installation and commissioning and after-sales support.

2009 year

Company establishment

30 +

Patent certificate

100 +

Covering national regions

1000 +

Installation engineer

Advantages

Talent and Professional Advantages 

Our company has a team of experienced engineers and technologists who have profound knowledge and practical experience in thermal technology, automation control and energy saving and environmental protection. Through continuous technology development and innovation, the company has obtained a number of national patents and successfully implemented a series of landmark projects, creating significant economic benefits and social value for customers. Moreover, the company owns a number of patented technologies, especially in waste heat recovery, low-NOx combustion, clean energy application and other aspects of the industry leader, to help customers realize green production.  

Core Business and Technical Advantages 

Energy-saving and environmentally friendly kilns: 
such as mobile kilns, roller kilns, tunnel kilns, shuttle kilns, etc., which are widely used in the production of bricks and tiles, ceramics, and refractory materials; 
Intelligent control system: 
integrated automated temperature control, energy consumption monitoring and remote operation and maintenance technologies to enhance the kiln's operational efficiency.

Market Layout and Service System 

Yaxin's kiln business covers the whole country, and actively expand the overseas market, products are exported to Southeast Asia, Africa, the Middle East and other regions. The company adheres to the concept of “customer first” and provides full life cycle services from program design, equipment customization to installation and commissioning, after-sales maintenance, and has successfully provided kiln system integration services for many large enterprises and industrial parks.  

Qualification and Social Responsibility 

As a benchmark enterprise in furnace industry of Henan Province, Yaxin Furnace has obtained ISO 9001 quality management system certification, high-tech enterprise certification and other qualifications, and participated in the development of a number of industry standards. The company has always been practicing the concept of sustainable development, promoting kiln technology to low-carbon, intelligent upgrading, and providing technical support for the transformation of traditional manufacturing industry.

Related Products

FAQ

FAQ

What is the difference between a tunnel kiln and a traditional kiln?


FAQ
Tunnel kiln: Automated continuous production, suitable for large-scale, standardized brick and tile manufacturing, low energy consumption but high investment. - Rotary kiln: Intermittent production, high flexibility, suitable for small batches or special brick types, but high energy consumption and labor intensity.
FAQ

What are the fuel options for tunnel kilns?


FAQ
Common fuels include coal (requires supporting desulfurization facilities), natural gas, biomass pellets, gas generator gas, etc. The specific choice depends on local energy policies and costs.
FAQ

What is the construction cycle and investment cost of a tunnel kiln?


FAQ
The construction cycle of a standard tunnel kiln (80-150 meters long) is usually 3-6 months, with an investment of about 2-8 million yuan (large differences depending on the scale). - In long-term operation, the energy-saving advantage can quickly recover costs.
FAQ

How can tunnel kilns achieve environmental protection standards?


FAQ
Install desulfurization and dust removal equipment (such as wet electrostatic precipitator, SCR denitrification). Use low-sulfur fuel or clean energy. Optimize the combustion process to reduce the generation of nitrogen oxides.