Efficient and stable auxiliary combustion system of garbage incinerator

By introducing step-shaped grates, staggered guide plates and multiple auxiliary air ducts into the waste incinerator, the problem of moisture affecting combustion in the waste incinerator is solved, rapid drying and efficient combustion are achieved, and smoke and dust emissions are reduced.

CN223191621UActive Publication Date: 2025-08-05ANJI WANGNENG RENEWABLE RESOURCES UTILIZATION CO LTD
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Patent Information

Application Number
CN202422457217.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-08-05
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

When existing waste incinerators burn urban domestic waste, due to the high moisture content in the garbage, it leads to long combustion time, large fuel consumption and large smoke and dust emissions, making it difficult to achieve efficient combustion.

Method used

An efficient and stable auxiliary combustion system for waste incinerators is designed, including a stepped grate, staggered guide plate, multiple auxiliary air ducts and angle regulators. By enhancing the drying and turning of garbage, the airflow distribution is improved, and the combustion efficiency and uniformity are improved.

Benefits of technology

Rapidly dry the garbage material layer, improve combustion efficiency, reduce emissions of harmful substances, shorten combustion time, and improve the treatment capacity of incinerators.

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Abstract

The efficient and stable auxiliary combustion system of the garbage incinerator comprises a hearth (1), a fire grate (2) which extends downwards in a step shape is arranged at the bottom of the hearth (1), a plurality of ignition combustors (31) are arranged on the side wall of the hearth (1) in the distribution direction of the fire grate (2), and a plurality of combustion-supporting combustors (32) are arranged on the front wall (11) of the hearth (1). A plurality of first auxiliary air pipes (41) with the air outlet direction facing the fire grate (2) are arranged on a rear wall (12) of the hearth (1), a plurality of guide plates (42) which are staggered up and down are arranged in the hearth (1) in the circumferential direction, and second auxiliary air pipes (43) which are attached to the inner wall of the hearth (1) and have the air outlet direction facing the guide plates (42) are arranged below the guide plates (42). And a plurality of third auxiliary air pipes (44) which are staggered up and down are arranged above the guide plate (42) in the circumferential direction. The garbage drying device has the characteristics of quickly drying garbage and improving the combustion efficiency.
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