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Method of integrated dust removal and desulfur of smoke and its equipment

A technology of flue gas and desulfurization agent, which is applied in the field of flue gas purification, can solve problems such as the difficulty in realizing the coordinated operation of the desulfurization system and the dust removal system, the difficulty in ensuring the dust removal efficiency, and the low capture rate of fine particles, so as to achieve compliance with standards and clean emissions, resistance Small, safe and reliable operation

Inactive Publication Date: 2005-02-23
TSINGHUA UNIV +1
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Problems solved by technology

The reasons are, firstly, the dust removal efficiency is difficult to guarantee, especially the capture rate of fine particles is low; secondly, the system operation reliability of the above-mentioned integrated desulfurization and dust removal technology is poor, and many problems are exposed but difficult to be solved well ; Third, the coordinated operation of the above-mentioned desulfurization system and dust removal system is difficult to achieve

Method used

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  • Method of integrated dust removal and desulfur of smoke and its equipment
  • Method of integrated dust removal and desulfur of smoke and its equipment

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Embodiment Construction

[0011] The method of the present invention has been described in the technical content of this document, and the scheme is completely the same, so no more details are given.

[0012] Referring to the accompanying drawings, the device implementing the inventive method comprises a mixing granulator 4, a belt conveyor 5, a composite bin 6, a circulating ash bin 12, a bag filter 9 and a pre-reaction bin 17 and an ash bin 10 connected to the lower part thereof, Among them, the mixing granulator 4 is provided with a catalyst inlet 1, a desulfurizing agent inlet 2, a water-holding agent inlet 3 and a high-temperature steam inlet 15, and the opening end of the bottom of the mixing granulator 4 corresponds to the tail end of the belt conveyor 5, and the top of the belt conveyor 5 corresponds to the tail end of the belt conveyor 5. The position of the entrance of the compound bin 6 is corresponding, the bottom opening of the compound bin 6 and the circulating ash bin 12 is connected with...

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Abstract

A process for dedusting and desulfurizing fume at the same time includes such steps as granulating the mixture of catalyst, desulfurizing agent and water-bearing agent, moistening and activating by high-temp. steam, reaction and adsorption in fume and pre-reacting chamber, entering bag-type deduster along with fume to generate a granule layer on the filter material, further removing dust and adsorbing SO2, and feeding the dust in ash cabin back to the circulating ash cabin for cyclic use. Its advantages are high efficiency, and synchronization of dedusting with desulfurizing.

Description

technical field [0001] The invention discloses an integrated method for flue gas dust removal and desulfurization and a device for realizing the method, belonging to the technical field of flue gas purification. Background technique [0002] Flue gas dust removal and sulfur dioxide removal are two key aspects of controlling environmental pollution. However, the dust removal and desulfurization technologies in the existing technology are often undertaken by two independent systems. Although there are many literature reports on the integrated technology of desulfurization and dust removal, such as "Boiler Dust Removal" in the sixth issue of "Metallurgical Energy" in 2000 Development and Application of Desulfurization Double Purification System", but its practicability and technical limitations are obvious. The reasons are, firstly, the dust removal efficiency is difficult to guarantee, especially the capture rate of fine particles is low; secondly, the system operation reliab...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D46/00B01D53/81
Inventor 孙俊民姚强项光明刘惠永王小立郑跃红汤乐萍徐纪清韩明霞岳立毅
Owner TSINGHUA UNIV
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