Energy saving intelligent environmental protection kiln project
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Hotline 0371-60960056
Pubtime：2023-04-27 16:33:58
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Source：Network
The combustion head and internal components of the magnesite multi-channel pulverized coal burner are made of heat-resistant steel. The flame hood at the front of the burner, the outer cylinder of the axial flow air, the straight air swirl air channel in the pulverized coal, the central hole and other components are made of heat-resistant steel (ZG40Cr25NI20SI2). Improved wear resistance and correspondingly increased the service life of the rotary kiln burner.
The vulnerable parts are treated with unique wear-resistant technology, which has excellent wear-resistant performance and is easy to replace. Long service life, strong adaptability to coal, especially suitable for low calorific value coal powder.
Online adjustment is flexible and convenient, and can randomly adjust the flame length, fineness, and strength according to different production conditions. The flame shape is more regular and complete, stable and does not sweep the kiln skin, and the refractory material of the kiln lining has a long service life.
Energy saving, more reasonable primary air configuration, and corresponding increase in secondary air volume. At the same time, the full combustion of fuel also reduces energy consumption.
The burner is fixed on a dedicated electric trolley, and the mobile trolley is designed as a suspended or ground rail type. The rotary kiln burner moves in and out for easy maintenance by Nissan.
The large amount of materials in the rotary kiln results in a high demand for rotary power, and the low heat transfer efficiency between materials and flames leads to high energy consumption. The tilt angle and rotation speed of the rotary kiln are important indicators for evaluating the power consumption of the rotary kiln. Small tilt angle, high rotation speed, and slow discharge speed lead to high power consumption in the rotary kiln. At the same time, the heat transfer mode between materials and flames also seriously affects energy consumption. The heat radiation heat transfer through flames is generally lower, Therefore, convective heat transfer between materials and flame smoke is required to improve heat exchange efficiency.
The rotary kiln burner can be designed with gas mixed combustion, oil gas mixed combustion, and gas gas mixed combustion multi fuel burners, which can be used interchangeably with multiple fuels. For low calorific value fuels, the company designs oxygen rich pure oxygen combustion technology to achieve energy-saving and environmental protection goals of reducing NOx emissions.
In addition, Zhongwei Environmental Protection Group Co., Ltd. undertook the EPC project of magnesite rotary kiln burner, DCS control system, SCR/SNCR denitration and online monitoring device, kiln lining refractory design and construction technical services.
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