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Linkage process of municipal waste pre-treatment and cement kiln resource comprehensive utilization and system thereof

A municipal waste and combined process technology, applied in the combined process and system field of municipal waste pretreatment and comprehensive utilization of cement kiln resources, can solve thermal system fluctuations, heat consumption rising rotary kiln systems, clinker product quality fluctuations, etc. problems, to achieve a high fuel substitution rate and save the use of traditional fossil fuels

Active Publication Date: 2012-10-10
华新环境工程有限公司
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Problems solved by technology

[0004] The disadvantage of the above method is that the domestic waste has not been dried, and all the water in the waste is vaporized and then enters the rotary kiln system, resulting in an increase in power consumption and heat consumption, and the quality and quantity of the undried waste entering the decomposition furnace The fluctuation of the thermal system of the rotary kiln system and the fluctuation of the clinker product quality

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  • Linkage process of municipal waste pre-treatment and cement kiln resource comprehensive utilization and system thereof
  • Linkage process of municipal waste pre-treatment and cement kiln resource comprehensive utilization and system thereof
  • Linkage process of municipal waste pre-treatment and cement kiln resource comprehensive utilization and system thereof

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Embodiment Construction

[0030] Such as figure 1 As shown, the combined process of municipal waste pretreatment and comprehensive utilization of cement kiln resources includes the following steps:

[0031] 1) The municipal waste enters the waste receiving system (that is, the municipal waste receiving system) after measurement and radioactivity detection;

[0032] 2) Pre-crushing: The municipal garbage received by the garbage receiving system is sent to the pre-crushing system. The crusher is firstly crushed, and then the crushed garbage is sent to the storage pit. During the transportation process, the Fe metal is separated by a magnetic separation device to obtain crushing Garbage; said pre-crushing system includes crusher, magnetic separation device and storage pit (such as figure 2 Shown);

[0033] 3) Use a drying treatment system (such as image 3 As shown, the use of aerobic fermentation) to dry and stabilize the broken waste: the broken waste in the storage pit of the pre-crushing system is transferr...

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Abstract

The invention relates to a linkage process of municipal waste pre-treatment and cement kiln resource comprehensive utilization and a system thereof. The linkage process of municipal waste pre-treatment and cement kiln resource comprehensive utilization is characterized by comprising the steps as follows: 1 municipal waste enters a waste receiving system after measurement and radioactivity detection; 2 the municipal waste is crushed in advance; 3 crushed waste is dried and stabilized through a drying treatment system; 4 dried waste is treated in mechanical mode through a mechanical treatment system; and 5 separated flammable materials are refined by a refining system, measured by a measuring system and sent to a kiln head burner, a kiln tail decomposing furnace or a pre-burning chamber of a cement kiln system for burning, and traditional fuel used in the process of cement production is replaced. Separated inert components participate in dosing of cement raw materials and enter the cement kiln system from a raw meal mill. The process achieves safe, harmless, recycling and energy-saving treatment and utilization of the municipal waste.

Description

Technical field [0001] The invention relates to a method and system for disposing of municipal waste, in particular to a combined process and system of municipal waste pretreatment and comprehensive utilization of cement kiln resources. It belongs to the cross-technology field of cement production and municipal waste treatment technology. Background technique [0002] The disposal and utilization of municipal waste is a global issue. At present, the centralized treatment methods of urban and rural municipal waste in my country mainly include landfill, composting, and incineration. The landfill method occupies a large area and has a low degree of waste reduction. It requires anti-seepage treatment, and also builds a biogas recovery and leachate treatment plant, which is likely to cause pollution to groundwater and surrounding air. The composting method is suitable for the treatment of garbage with a lot of perishable organic matter, and can realize the comprehensive utilization ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B09B5/00B09B3/00
Inventor 李叶青王焕忠王加军胡贞武张江
Owner 华新环境工程有限公司
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