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The working principle of biomass stoves
Biomass pellet stoves can be used for winter heating, grilling meat, and other purposes. Compared to conventional stoves, they are more energy-efficient and environmentally friendly—emissions from their combustion do not pollute the air or cause environmental harm. Thanks to the use of new-energy fuels, these stoves achieve higher and more complete combustion efficiency. Below, we’ll introduce how they work.
First, biomass fuel is evenly distributed across the upper grate from the feed inlet. After ignition, the induced draft fan is activated, and the fuel vaporizes and burns. The flame is directed downward, creating favorable conditions for sustained and stable ignition. Hot fuel particles—smaller than the gaps in the upper grate and with volatiles already burned off—and unburned particulates fall downward under the drive of the induced draft fan and the blower. After briefly lingering in the high-temperature suspension furnace, these particles continue to descend and eventually land on the lower grate. Unburned fuel particles continue to burn, while the resulting ash particles fall from the lower grate and the grate into the ash hopper of the ash-discharge device. When the accumulated ash reaches a certain height, the ash discharge gate opens, and the ash is discharged all at once.

During the fuel's descent, a certain amount of oxygen is supplied to the secondary air ports for suspended combustion, while the combustion on the lower grate supports the burning process. The flue gases resulting from complete combustion are directed through the flue gas outlet toward the convective heating surfaces. Large particulate matter, as it moves upward through the baffle plates, is thrown into the ash hopper due to inertia, whereas slightly smaller particles are trapped by the dust-excluding baffle mesh and mostly fall into the ash hopper. Only a small fraction of extremely fine particles enters the convective heating surfaces, significantly reducing ash accumulation on these surfaces and enhancing heat transfer efficiency.
The above is the working principle of biomass stoves. We hope this will help everyone better understand biomass stoves.
Longzhida Company Successfully Hosted the Victory Parade Commemorating the War of Resistance.
Longzhida Company Successfully Hosted the Victory Parade Commemorating the War of Resistance.
Today is a day that every Chinese person should solemnly remember—the 80th anniversary of the victory of the Chinese People’s War of Resistance Against Japanese Aggression and the World Anti-Fascist War.
On July 2, Chengde Longzhida Company held a meeting with the Sino-German Institute. After thorough discussions between the two sides, Mr. Bai, General Manager of Longzhida Company, and the faculty team from the Sino-German Institute reached a consensus: Longzhida Company officially entrusted the Sino-German Institute to carry out the design and R&D work for a new type of ultrasonic water meter.
On May 30, Longzhida Company successfully held an exceptionally meaningful event titled “Welcoming the Eighth ‘National Science and Technology Workers’ Day’: Promoting the Spirit of Scientists.”