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Double temperature double bed gasification, oxidization and fluidized bed incinerator for disposing high concentration organic effluent liquor

A high-temperature oxidation technology for organic waste liquid, applied in incinerators, combustion methods, combustion types, etc., can solve the problems of low dechlorination efficiency of absorbents, coking of bed materials, etc.

Inactive Publication Date: 2006-06-14
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of this invention is to provide a kind of double-temperature twin-bed gasification oxidation fluidized bed incinerator for treating high-concentration organic waste liquid. Coking of bed materials and low dechlorination efficiency of absorbent in the fluidized bed incinerator, to achieve high-efficiency desulfurization, dechlorination, denitrification, reduce dioxin emissions, and achieve the characteristics of organic matter incineration removal rate greater than 99.99%

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  • Double temperature double bed gasification, oxidization and fluidized bed incinerator for disposing high concentration organic effluent liquor

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specific Embodiment approach 1

[0005] Specific implementation mode one: (see figure 1 ) This embodiment consists of a low-temperature gasification fluidized bed 50, a high-temperature oxidation circulating fluidized bed 60, a cyclone separator 3, a first feeding device 4, a low-temperature flue 21, a high-temperature cyclone separator 11, and a second feeding device 12 , high temperature exhaust flue 23, high temperature air preheater 15, economizer 17, first low temperature air preheater 18, second low temperature air preheater 24, secondary air pipeline 28, primary air pipeline 29, high temperature The air pipeline 30 is composed of; one side of the upper part of the cyclone separator 3 is fixedly connected with the upper part of the low-temperature gasification fluidized bed 50, and the lower end of the cyclone separator 3 is fixedly connected with one side of the first feeding device 4, and the first feeding device The other side of 4 is fixedly connected with the lower part of the low-temperature gasif...

specific Embodiment approach 2

[0006] Specific implementation mode two: (see figure 1 ) The difference between this embodiment and the first embodiment is that a high-temperature superheater 14 is added to the high-temperature exhaust flue 23 between the high-temperature cyclone separator 11 and the high-temperature air preheater 15 . A low-temperature superheater 16 is added to the high-temperature exhaust flue 23 between the high-temperature air preheater 15 and the economizer 17 . Other compositions and connections are the same as in the first embodiment.

[0007]The invention can treat 200-1000 t / d of organic waste liquid per day. After the cold air is preheated to 500-550°C by the high-temperature air preheater 15, it is sent into the fluidized bed air chamber 5, and an auxiliary burner 20 is arranged at the entrance of the fluidized bed air chamber 5. It starts when the temperature inside 1 is lower than 500°C, and stops automatically when it is higher than 600°C, so as to ensure that the temperatur...

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Abstract

The utility model relates to a double-temperature double-bed gasification and oxidation fluidized bed incinerator for treating high-concentration organic waste liquid, which relates to a fluidized-bed incinerator for treating high-concentration organic waste liquid. The other end of the low-temperature flue (21) of the present invention is connected with the high-temperature oxidation circulating fluidized bed (60), and the two ends of the high-temperature air pipeline (30) are connected with the high-temperature air preheater (15) and the low-temperature gasification fluidized bed respectively. (50) are connected. The combination of the low-temperature gasification fluidized bed low-temperature gasification and the high-temperature oxidation circulating fluidized bed high-temperature combustion of the present invention solves the problem of agglomeration and coking of the fluidized bed material, and effectively removes HCl and SO produced after the incineration of high-concentration organic waste liquid 2 and NO x and other harmful gases, fully inhibit the generation of dioxin in the furnace, and can completely incinerate the toxic organic substances in the waste liquid, and the incineration removal rate reaches more than 99.99%. The device almost solves all the problems encountered in incinerating high-concentration organic waste liquid in a fluidized bed.

Description

Technical field: [0001] The invention relates to a fluidized bed incineration device for treating high-concentration organic waste liquid, in particular to a device for treating various toxic and harmful high-concentration organic waste liquids by combining low-temperature gasification of a fluidized bed and high-temperature oxidation of a circulating fluidized bed. Background technique: [0002] In recent years, with the rapid development of my country's economy, the production and discharge of high-concentration organic waste liquid has increased year by year, and the high-concentration organic waste liquid produced by the petroleum, chemical, pharmaceutical, printing and dyeing and paper industries reaches tens of millions of tons every year. High-concentration organic waste liquid is one of the main sources of water pollution. Its indiscriminate discharge seriously damages the ecological environment and threatens human health. Since a considerable part of the high-concen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23G5/30F23G5/08F23G7/04
Inventor 别如山李诗媛樊庆锌吕响荣
Owner HARBIN INST OF TECH
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