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Glass-furnace-smoke integrated-denitration-desulfurization-dedusting technological device and technology

A technology for desulfurization, dust removal, and process equipment, which is applied in the field of flue gas purification to achieve the effects of ensuring long-term continuous service life, small resistance, and reducing investment and floor space

Inactive Publication Date: 2017-01-04
海南海控特玻科技有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] For the flue gas treatment of glass furnaces, there is currently no combined technology in China that can realize the simultaneous removal of nitrogen oxides, sulfur dioxide and dust in the flue gas, and can also be organically connected with the waste heat recovery boiler supporting the glass furnace For this reason, the present invention proposes a glass kiln flue gas synchronous denitrification, desulfurization and dust removal technology, which has passed the Chinese standard and is being industrialized

Method used

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  • Glass-furnace-smoke integrated-denitration-desulfurization-dedusting technological device and technology

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Embodiment Construction

[0034] The present invention is described in conjunction with accompanying drawing and specific embodiment:

[0035] Such as figure 1 As shown, a glass kiln flue gas synchronous denitrification, desulfurization and dust removal process equipment, said process equipment includes a waste heat boiler 2, a low-temperature denitrification, desulfurization and dust removal reaction tower 3, an ammonia water system 4, a water treatment system 5, and a compressed air system 6; combine figure 2 , the waste heat boiler 2 is an inverted U shape, and the furnace is provided with a primary heat exchanger 7, a medium temperature denitrification reactor 8, a secondary heat exchanger 9 and a secondary heat The multi-stage heat exchanger 10 behind the device; the flue gas inlet of the waste heat boiler 2 is arranged at the lower part of the waste heat boiler, and communicates with the flue gas outlet of the glass kiln 1; the ammonia water system 4 passes through the ammonia water pump 18, th...

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Abstract

The invention belongs to the technical field of smoke purifying, and provides a glass-furnace-smoke integrated-denitration-desulfurization-dedusting technological device and a technology. A waste-heat boiler (2) of the glass-furnace-smoke synchronous denitration-desulfurization-dedusting technological device is internally and sequentially provided with a primary heat exchanger (7), a medium-temperature denitration reactor (8), a secondary heat exchanger (9) and a multistage heat exchanger (10) from front to back in the smoke flow direction; a low-temperature denitration-desulfurization-dedusting reacting tower (3) comprises a tower body divided into a main tower body (11) and an auxiliary tower body (12); a reducing agent evaporator (13) is arranged in a smoke inlet in one side of the main tower body (11); a low-temperature catalysis reacting bed (20) is arranged in the auxiliary tower body (12). By means of the glass-furnace-smoke integrated-denitration-desulfurization-dedusting technological device and the technology, the one-time investment cost and the occupied area are saved, and meanwhile the operating cost is reduced; and the aims of clean governance and zero release are achieved as a whole.

Description

technical field [0001] The invention belongs to the technical field of flue gas purification, and in particular relates to an integrated denitrification, desulfurization, and dust removal process equipment and technology for glass kiln flue gas. Background technique [0002] Flue gas desulfurization, dust removal and denitrification of furnaces in the glass industry are environmental protection policies proposed and promoted by the state in recent years, aiming at protecting the environment, curbing excess capacity in the industry, and promoting technological transformation in the industry. [0003] At present, traditional glass kiln flue gas desulfurization technology includes dry method (including semi-dry method) and wet method, mainly including CFB circulating fluidized bed flue gas desulfurization technology and NID flue gas desulfurization technology. Or granular absorbent, adsorbent or catalyst to remove SO from flue gas 2 , the desulfurization efficiency of the tech...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/90B01D53/76B01D53/60C03B5/16
CPCB01D53/60B01D53/76B01D53/8631B01D53/90C03B5/16B01D2251/2065B01D2251/2062
Inventor 贺建雄姜宏费晓勇肖琴谢东恒张国辉黄小叶曾晶有学军
Owner 海南海控特玻科技有限公司
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