Coal-fired Hot Air Furnace
The best solution for generating hot air from coal combustion

Coal-fired Hot Air Furnace Overview
Coal-fired hot air furnace is a device that uses burning coal to generate hot air, which is widely used in industrial production as a heat source for hot air drying system. It provides high-temperature hot air by burning coal for drying materials, heating and other processes that require heat energy.
Coal-fired Hot Air Furnace for Sale
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Features and Advantages of Coal-fired Hot Air Furnace
Features and Advantages
High thermal efficiency
High thermal energy utilisation, combustion efficiency usually reaches 70%-90%, suitable for large-scale industrial production.
Fuel Economy
Coal as the main fuel, low price, abundant resources, can effectively reduce operating costs.
Strong stability
Coal-fired hot air furnace works stably, can continuously provide high temperature hot air for a long time, to meet the needs of industrial production.
Wide range of application
It is suitable for drying grain, wood, minerals, chemical products, etc. It is widely used in agriculture, building materials, mining and other industries.

Working Principle of Coal-fired Hot Air Furnace
Working Principle
When the direct coal-fired hot air furnace is working, the coal is sent to the coal hopper by the coal feeder and enters the combustion chamber through the chain grate. The combustion-supporting air penetrates the coal layer, causing the bituminous coal to evaporate and the fixed carbon to burn to produce high-temperature flue gas. After the high-temperature flue gas passes through the high-temperature gas purification chamber for secondary, aggregated and settled, it can enter the cold air and form hot air of the required temperature to enter the drying equipment.
Coal-fired Hot Air Furnace Application Scenarios
Application Scenarios
Agriculture
In agriculture, it is used for drying grain, feed, fertiliser and so on. It can quickly remove moisture, ensure the quality of materials, facilitate long-term storage and transport, and prevent mould.
Industrial Production
Widely used in building materials, fertiliser and metallurgy industries, providing thermal energy for drying sand and gravel, mineral powder and chemical raw materials.
Food Processing
Providing hot air for food drying equipment, such as fruit and vegetable drying, tea baking, etc. Coal-fired hot air ovens meet the needs of small and medium-sized food businesses with high efficiency and economy.
Environmental Protection
In the environmental protection industry, help the drying treatment of sludge and other wastes. Reduces its water content, facilitates subsequent treatment or resource recycling, and reduces the impact of waste on the environment.
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