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A system and method that uses industrial amateur heat associations to dispose of waste

A technology of co-processing and industrial waste heat, which is applied in the direction of combustion method, waste heat treatment, exhaust device, etc., can solve the problem of large heat consumption, achieve the effect of improving the degree of combustion, burning fully, and reducing environmental pollution

Active Publication Date: 2022-06-24
崇左南方水泥有限公司
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

In addition, the preheating and drying of waste generally consumes a lot of heat. How to make full use of the large amount of waste heat generated by the cement industry to achieve preheating and drying of waste before combustion also needs to be considered

Method used

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  • A system and method that uses industrial amateur heat associations to dispose of waste
  • A system and method that uses industrial amateur heat associations to dispose of waste
  • A system and method that uses industrial amateur heat associations to dispose of waste

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Embodiment Construction

[0037] The specific implementation of the invention will be further described below with reference to the accompanying drawings.

[0038] like figure 1 As shown, a system for co-processing waste using industrial waste heat includes a pre-treatment furnace 1 for burning and disposing of waste, and a cement clinker calcining system coordinated with the pre-treatment furnace 1. The tertiary air of the grate cooler 5 of the middle rotary kiln 4 is introduced into the pretreatment furnace 1, and the top of the pretreatment furnace 1 is connected to the upper end of the decomposition furnace 3 in the cement clinker calcining system through a flue gas channel. The pretreatment furnace 1 is provided with an oxygen-enriched air inlet; the oxygen-enriched air inlet faces the main combustion area of ​​the pretreatment furnace 1 and forms an included angle of 30° to 45° horizontally with the pretreatment furnace 1 . Specifically, the outlet of the flue gas channel is connected to the upp...

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Abstract

The invention discloses a system and a method for co-processing waste by utilizing industrial waste heat, and belongs to the technical field of co-processing waste. It includes a pre-disposal furnace and a clinker calcination system for burning and disposing of waste. The tertiary air from the grate cooler is introduced into the pre-disposal furnace, and the top of the pre-disposal furnace is connected to the upper end of the calciner through a flue gas channel. The pretreatment furnace is provided with an oxygen-enriched air inlet; the oxygen-enriched air inlet faces the main combustion area of ​​the pretreatment furnace and forms an included angle of 30°-45° with the level of the pretreatment furnace. The present invention adopts oxygen-enrichment to achieve an oxidative environment, allowing waste particles to be fully burned; and the excess oxygen-enriched gas is passed into the decomposition furnace through a flue gas pipeline, thereby providing favorable conditions for suppressing the production of sulfur dioxide in the decomposition furnace.

Description

technical field [0001] The invention relates to the technical field of waste co-processing, in particular to a system and method for co-processing waste by utilizing industrial waste heat. Background technique [0002] With the rapid development of cities, people's living standards are getting higher and higher, and the amount of urban and industrial waste is also increasing; behind the qualitative leap in living standards and urban construction, the price is The huge increase in waste; how to effectively deal with waste has always been a difficult problem that cannot be completely solved; but fortunately, with the adjustment of national policies, how to effectively deal with urban and industrial waste is more and more affected. Government departments' attention; in Europe, there has been relatively mature experience in the use of cement industry for the harmless treatment of waste, which is worth learning from. [0003] Using special production equipment in the cement indu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01N5/02F23G5/033F23G5/04F23G5/44F23L7/00F27B7/20F27D17/00
CPCF23G5/033F23G5/04F23G5/44F23L7/007F27B7/20F27D17/004F23G2201/10F23G2201/80Y02E20/34
Inventor 徐迅严金生武双磊周洲张庆年
Owner 崇左南方水泥有限公司
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