SCR denitration device for flue gas of glass furnace

Abstract

The invention discloses a silicon controlled rectifier (SCR) denitration device for flue gas of a glass furnace, which comprises a flue gas flow controller, an ammonia / flue gas mixed flue, a liquid ammonia bottle, a pressure reducing valve, an ammonia preheater, a flow meter, an ammonia injection controller, an electric heater and a reactor bed. One end of the ammonia / flue gas mixed flue is connected with a flue pipe of the glass furnace; the flue gas flow controller is arranged on the flue; the flue gas flow controller is connected with the ammonia injection controller through a data line and controls the flow meter which is connected to the ammonia injection controller; one end of the flow meter is connected with the ammonia / flue gas mixed flue pipe and the other end of the flow meter is connected with the ammonia preheater, the pressure reducing valve and the liquid ammonia bottle; the ammonia / flue gas mixed flue is connected with the electric heater through the flue; and the reactor bed is arranged inside the electric heater and is connected with a chimney pipe through the flue. The SCR denitration device has the advantages that: the device has higher removal efficiency and lower reaction temperature, needs less energy required by gas heating, saves the production cost, improves the exhaust temperature, and reduces the acid corrosion of the flue.

Description

technical field [0001] The invention belongs to the field of air pollution control of environmental pollution control, and relates to an SCR denitrification device, in particular to an SCR denitrification device for glass furnace flue gas applied to the denitrification of glass furnace flue gas. Background technique [0002] Currently, my country's NO X The increasing discharge not only brings acid rain and human injury, but also brings huge economic losses. Therefore, in recent years, my country has actively carried out flue gas denitrification projects in thermal power plants, and Selective Catalytic Reduction (SCR) has been widely used as the most mature and effective method currently recognized. Glass furnace as NO X Another main source of the source, the main flue gas characteristic is NO X The concentration is high, and it is more difficult to handle than ordinary thermal power plants. The current main treatment methods, liquid absorption method and solid adsorptio...

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Problems solved by technology

[0003] In order to overcome the problems caused by the characteristics of the glass furnace flue gas itself, the present invention provides an SCR denitrification device for a glass furnace, which can not only treat high-concentration NO X Flue gas treatment, more able to provide NO X Appropriate temperature required for processing

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