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Cement kiln co-processing domestic waste system and method

A technology for domestic waste and co-processing, applied in combustion methods, furnaces, combustion types, etc., can solve the problems affecting the stability of cement kiln operating conditions and low disposal capacity.

Active Publication Date: 2021-11-30
成都建筑材料工业设计研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims to provide a cement kiln cooperative disposal system and method for domestic waste, so as to solve the problem of low disposal capacity and affecting the stability of cement kiln working conditions in the existing cement kiln cooperative waste disposal

Method used

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  • Cement kiln co-processing domestic waste system and method
  • Cement kiln co-processing domestic waste system and method

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Embodiment

[0038] see figure 1 or figure 2 , this embodiment proposes a cement kiln co-processing domestic waste system 10, which includes a cement kiln system 11 and a waste feeding system 12.

[0039] Wherein, the cement kiln system 11 includes a tertiary air pipe 13 and a calciner 15 connected to the end 14 of the tertiary air pipe 13 . In addition, under normal circumstances, the cement kiln system 11 also includes common structures such as the kiln head cover 16 of the grate cooler, the rotary kiln 17, and the smoke chamber 18. One end of the tertiary air pipe 13 is connected to the kiln head cover 16, and the end 14 is connected to the calciner 15, and the tertiary air pipe 13 of the cement kiln system 11 is arranged obliquely, and the starting end 19 of the tertiary air pipe 13 is lower and communicated with the calciner 15 one end is higher.

[0040] In this embodiment, the garbage feeding port 20 is set at the starting end 19 of the tertiary air duct 13; the garbage feeding ...

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Abstract

The invention relates to the field of cement kiln waste treatment, and aims to solve the problem of low disposal capacity and affecting the stability of cement kiln working conditions in the existing cement kiln cooperative waste treatment technology, and provides a system and method for cement kiln cooperative treatment of domestic waste. The cement kiln co-processing domestic waste system includes a cement kiln system and a garbage feeding system; the cement kiln system includes a tertiary air duct and a decomposition furnace connected to the end of the tertiary air duct; the garbage feeding port is set at the beginning of the tertiary air duct; The garbage feeding system is connected to the garbage feeding port, and is used to feed the screened garbage oversize to the initial end of the tertiary air duct through the garbage feeding port. The beneficial effect of the present invention is that the existing facilities of the cement kiln are fully utilized, the investment cost is low, and the cement kiln system can ensure a large amount of garbage disposal under the condition that the working condition of the cement kiln system is stable.

Description

technical field [0001] The invention relates to the field of cement kiln waste treatment, in particular to a system and method for co-processing domestic waste in cement kilns. Background technique [0002] The co-processing of domestic waste in cement kilns has the advantages of large processing capacity, high temperature, low investment, alkaline atmosphere, ash and slag can participate in burning to clinker, and full use of calorific value. It has attracted widespread attention at home and abroad in recent years. The existing cement kiln co-processing domestic waste dosing points mainly include: kiln tail decomposition furnace, kiln tail smoke chamber, kiln head burner or kiln door cover dosing point, etc. Due to the high moisture content and large fluctuations in the composition of the material, whether it is added at the kiln head or the kiln tail, there are problems such as low disposal capacity and impact on the cement kiln system. [0003] Therefore, in view of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23G5/02F23G5/04F23G5/44F27B17/00
CPCF23G5/02F23G5/04F23G5/44F23G5/444F23G2201/60F27B17/00
Inventor 马旭刘建陈旭高敏聂纪强
Owner 成都建筑材料工业设计研究院有限公司