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Combined fuel gas catalytic reduction denitration device

A combined, flue gas technology, applied in chemical instruments and methods, dispersed particle separation, separation methods, etc., can solve the problems of high cost, low denitrification efficiency, complex structure, etc., and achieve small footprint, low operating cost, The effect of simple structure and process

Inactive Publication Date: 2012-09-05
刘昌林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of low denitrification efficiency, complex structure and high cost of existing denitrification devices, and to provide a combined flue gas catalytic reduction denitrification device

Method used

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  • Combined fuel gas catalytic reduction denitration device
  • Combined fuel gas catalytic reduction denitration device
  • Combined fuel gas catalytic reduction denitration device

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Embodiment Construction

[0020] The present invention is further described with reference to the accompanying drawings.

[0021] Such as figure 1 The combined flue gas catalytic reduction denitrification device shown is composed of a flue gas inlet 1, a reducing agent-flue gas mixer 3, a catalyst reduction device 4, a flue gas collector 5 and a flue gas outlet 6, which are sequentially connected by flanges; There is a reducing agent inlet 2 on the side of the flue gas inlet 1, and a flue gas bypass pipe 7 with a valve is provided between the flue gas inlet 1 and the flue gas outlet 6, which is used for temporary flue gas passage during maintenance and troubleshooting .

[0022] The reducing agent-flue gas mixer 3 is formed by flange connection of multi-section bell-mouth housing 8, the small port of the reducing agent-flue gas mixer 3 is connected to the flue gas inlet 1, and the large port is connected to the multi-layer catalyst reduction device 4 connection; each shell 8 is equipped with a spiral...

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Abstract

The invention discloses a combined fuel gas catalytic reduction denitration device, which is formed by connecting a fuel gas inlet, a reducing agent and fuel gas mixer, a catalyst reduction device, a fuel gas collector and a fuel gas outlet sequentially through flanges. The side of the fuel gas inlet is provided with a reducing agent inlet. A fuel gas bypass pipe with a valve is arranged between the fuel gas inlet and the fuel gas outlet. The combined fuel gas catalytic reduction denitration device has the advantages of simple structure and process, small occupied area, low operation cost, high reliability and denitrification rate of over 95 percent. All parts of the device are made of glass steel materials, so that the combined fuel gas catalytic reduction denitration device is antiseptic and durable and can be used for a long time.

Description

technical field [0001] The invention belongs to industrial flue gas denitrification environmental protection equipment. Background technique [0002] Coal and oil are the main power fuels in the world. With the sustained and rapid economic development and the increase of energy consumption, the emission of harmful substances in flue gas is becoming more and more serious. In addition to sulfides, there are a large amount of nitrogen in the emissions. Chemicals have had a serious impact on economic development and people's lives. At present, desulfurization technology is very mature, but denitrification technology has not attracted attention. For example, the emissions of nitrogen oxides from thermal power plants in my country account for about half of the total emissions of nitrogen oxides in the country. With the continuous increase in the number of thermal power plants, the emissions and proportion of nitrogen oxides in thermal power plants will continue to rise. Accordi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/90B01D53/56
Inventor 刘昌林和进发苏友贞李加恩张慎栋
Owner 刘昌林