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Energy-saving and environmentally friendly glass furnace (pure oxygen combustion + electric boosting) technology

ZHIYUAN provides the glass industry (including glass fiber, flat plates, bottles, containers, glass wool, lamp tubes, liquid crystals, microcrystals, etc.) from glass melting process to flue gas treatment, sewage treatment and sludge resource utilization. All-round technical services to realize the integration of kiln melting, flue gas treatment, sewage treatment and sludge resource utilization. After the use of pure oxygen combustion technology and electric boosting technology, it not only improves the quality of glass and increases the production capacity of the furnace, but also greatly reduces the energy consumption of glass melting, the total amount of nitrogen oxides and the total amount of flue gas emissions. In addition to lowering the investment cost and operating cost of flue gas treatment, at the same time, the waste heat of flue gas can be used to dry the sludge, so as to make full use of the waste heat of flue gas and greatly reduce the external discharge of sludge, thus greatly reducing the sludge disposal fee. Let the customer's production line achieve the goals of high productivity, high quality, low energy consumption, low cost, and low emissions.

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1. Pure oxygen combustion technology

The replacement of traditional air combustion technology by pure oxygen combustion technology is a great technological innovation of industrial kiln combustion technology, and it has made a great contribution to the energy saving and emission reduction of industrial kilns. At present, the promotion and application in the glass fiber industry has reached nearly 100%, and the promotion in industrial furnaces in other glass, metallurgy, steel and other industries is increasing, and its future market is huge.
Advantages of pure oxygen combustion technology:
1. Energy saving in glass melting and forming section: 20-60%;
2. Increase production capacity: ≥15%;
3. Reduce flue gas emissions: ≥80%;
4. Reduce ammonia oxide emissions: ≥80%.

ZHIYUAN provides a full set of technical solution design, equipment and control full set of technical services, including: combustion control station, burner and on-site technical services.

2. Electric Boosting Technology

Glass is an electrical conductor at high temperatures, because molten glass contains alkali metal sodium and potassium ions, which have conductive properties. When the current passes through the electrode and enters the molten glass, it will generate Joule heat. If the heat is large enough, it can be used to melt the glass, which is called "glass melting". Electric boosting or auxiliary electric melting refers to that the glass furnace is mainly heated by space combustion, and the glass electric melting is supplemented. It is powered by a transformer, and the electrode inserted into the glass is used to heat the glass in the furnace to increase the glass production capacity. , Improve the quality of glass and reduce the comprehensive energy consumption of glass melting.
The advantages of electric boosting for glass chamber furnaces:
1. Increase the melting rate of the kiln and increase the productivity of the kiln;
2. Improve the melting quality of glass;
3. Reduce the burning intensity of the upper flame space and extend the furnace life;
4. Reduce product losses caused by stone defects;
5. Flexible adjustment of the output volume;
6. Stabilize hot spots and strengthen effective convection;
7. Energy saving and environmental protection;
8. The electrode can be perforated in hot state to install the electrode.
ZHIYUAN provides a full set of technical solution design, equipment and control full set of technical services, including: transformers, electrode water jackets, electrodes and on-site technical services.

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Catalytic combustion exhaust gas treatment equipment

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Waste heat drying sludge equipment

The sludge enters the waste heat drying sludge equipment, in which steam is used as the heat source to dry the sludge. The hollow shaft inside the equipment is densely arranged with wedge-shaped hollow blades, and the steam flows through the blades through the hollow shaft. The heat transfer area in the effective volume is large. The steam passes through the rotary joint and flows through the shell jacket and the hollow stirring shaft. The hollow stirring shaft has different internal structures according to the type of heat medium to ensure the best heat transfer effect. While the paddle and jacket are heated by steam, the upper part of the discharge port is simultaneously dehumidified, which greatly increases the drying strength of the equipment.

Waste heat drying sludge equipment

The sludge enters the waste heat drying sludge equipment, and the waste heat of the exhaust gas is used as the drying heat source. The high-humidity, high-viscosity, mass-shaped sludge is strongly stirred, broken, directly penetrated, and quickly broken into loose shapes, thereby increasing The contact area between the sludge and the hot air speeds up the drying speed and transforms the sludge into a loose type that is easy to dry, effectively avoiding the granular sludge from agglomerating again. The wet mud is in direct contact with the hot air of the drying medium, and the hot air transfers heat to the wet mud. Because the water vapor pressure on the surface of the wet mud is lower than the water vapor pressure in the hot air, the moisture on the surface of the wet mud is vaporized, and the water evaporates from the surface of the sludge. The vaporized moisture is taken away. After the sludge reaches the drying requirements, it will be automatically discharged and directly bagged for transportation or other treatments.

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Add：No.296 Huaye Road, Fengming Street, Tongxiang City

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0573- 88898389

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No.296 Huaye Road,
Fengming Street,
Tongxiang City

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