I. Features of Zhongwei ZWMF Series Coal Powder Burner

　　1. The multi-channel burner is independently researched and manufactured by Zhengzhou Zhongwei Environmental Protection Equipment Co., Ltd. The burner head and some internal components are made of heat-resistant steel. The flame-retaining hood at the front of the burner, the axial flow large outer cylinder, the coal powder inner straight wind swirl wind channel, and the central hole are all made of heat-resistant steel (ZG40Cr25NI20SI2 material). This improves the usage effect and increases the service life accordingly. The service life of the burner is guaranteed to be 3-5 years.

　　2. The easily worn parts are treated with unique wear-resistant technology, with excellent wear resistance and easy replacement. Long service life and strong adaptability to coal.

　　3. Flexible and convenient online adjustment. The flame length, fineness, and intensity can be adjusted randomly according to different requirements. The flame shape is more regular and complete, stable and does not sweep the kiln skin, which is conducive to the long-term safe use of the kiln lining.

　　4. Energy saving. The primary air is more reasonably equipped, and the secondary air volume is correspondingly increased. At the same time, the complete combustion of fuel also reduces energy consumption.

　　5. The burner is fixed on a special electric trolley, with a ground rail or hanging trolley structure, which facilitates the adjustment and maintenance of the burner.

　　II. Coal Powder Pipeline System Configuration

　　The coal powder pipeline in the combustion system mainly consists of a coal powder screw pump, a coal powder Roots blower, a conveying hose, and a manual valve. The working process is as follows: After the coal powder is transported from the coal mill system to the coal hopper at the upper end of the screw pump, the screw pump operates at a set conveying rate, and the Roots blower provides pneumatic conveying power to transport the coal powder to the burner for combustion.

　　III. Air Supply System Configuration

　　The system only needs an external interface for the auxiliary combustion air system. The burner center air pipe, swirl air, and axial flow air are all integrated in one design. The auxiliary combustion air blower uses a Roots blower with variable frequency drive. The center air, swirl air, and axial flow air branch pipelines are equipped with regulating valves, and the operator can adjust the air volume according to the specific combustion state to achieve the ideal combustion state.

　　IV. Burner Trolley Configuration

　　The burner is fixed on a support, which is also an electric trolley running on a track with a travel of 5 meters. During operation, it can be advanced into the kiln by 0-5 meters for arbitrary adjustment. When not in operation, the burner can be completely withdrawn from the kiln. The auxiliary combustion air pipe is connected by a rubber hose, and the coal powder is connected to the blower by a wear-resistant hose.

　　V. Burner Power Adjustment

　　(1) Coal Powder System Adjustment

　　The adjustment of the coal powder system includes the coal powder injection pressure and the amount of coal powder. The Roots blower uses variable frequency drive, and the air volume and pressure of the Roots blower are adjusted by manual variable frequency setting; the conveying of the coal powder amount needs to be coordinated with the screw pump for feeding adjustment.

　　(2) Auxiliary Combustion Air System Adjustment

　　Auxiliary combustion air adjustment can change the flame length, flame temperature, and combustion state. The adjustment is mainly divided into the adjustment of the total air volume and the adjustment of the air volume of each channel. The total air volume is adjusted by variable frequency, and the air volume of the center air, swirl air, and axial flow air is finely adjusted by manual valves in each channel. The adjustment of the auxiliary combustion air needs to be carried out simultaneously with the flow rate and pressure of the coal powder.

　　Zhengzhou Zhongwei Environmental Protection Equipment Co., Ltd. undertakes: cement kiln burners, lime kiln burners, ceramsite sand calcination rotary kiln burners, zinc oxide rotary kiln burners, nickel iron ore rotary kiln burner equipment, DCS automation control systems, desulfurization and denitrification equipment, and online monitoring device general contracting projects.

Zhengzhou Zhongwei Environmental Protection Equipment Co., Ltd. undertakes: cement kiln burners, lime kiln burners, ceramsite calcination rotary kiln burners, zinc oxide rotary kiln burners, nickel iron ore rotary kiln burners, etc., DCS automation control systems, desulfurization and denitrification equipment and online monitoring device general contracting projects.