Heating device for input smoke of SCR method denitration system

A heating device and denitrification technology, which is applied in lighting and heating equipment, waste heat treatment, gas emission reduction, etc., can solve problems such as difficulty in utilizing waste heat boilers, affecting denitrification reaction efficiency, flue gas temperature and heat not meeting requirements, etc. Achieve the effects of ingenious design, improved denitrification efficiency and simple structure

Inactive Publication Date: 2017-12-12
HUBEI QIANGDA ENVIRONMENTAL PROTECTION TECH CO LTD
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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the temperature and heat of the flue gas transported from the glass kiln to the SCR denitrification system cannot meet the r

Method used

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  • Heating device for input smoke of SCR method denitration system
  • Heating device for input smoke of SCR method denitration system
  • Heating device for input smoke of SCR method denitration system

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Embodiment Construction

[0013] see Figure 1-3 , the present invention includes a regenerator 1 and its control system. The regenerator 1 has an inner cavity 2 for gas combustion and heat storage, and the upper end is open, and the lower end is connected to the flue gas channel 3 of the SCR denitrification system. 1 is provided with an elevating frame 4 on which several gas nozzles 5 are fixed, and each gas nozzle is connected to a gas delivery branch pipe 6, and all the gas delivery branch pipes 6 are connected with the gas delivery main pipe 7. A natural gas sensor 8 is provided at the joint between the gas nozzle 5 and the gas transmission branch pipe 6, and a regulating valve 9 is installed on the gas transmission main pipe 6, and the regulating valve 9 adopts a pneumatic regulating valve or an electric regulating valve; Automatic ignition device 10 is housed, and temperature sensor 11 is equipped with at the lower end; Described control system includes power module 12 and PLC controller 13 and c...

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Abstract

The invention discloses a heating device for input smoke of an SCR method denitration system. The heating device comprises a heat accumulation chamber and a control system thereof. An inner cavity is formed in the heat accumulation chamber, the upper end of the heat accumulation chamber is opened, and the lower end of the heat accumulation chamber communicates with a smoke channel. A lifting type frame is arranged on the upper side of the heat accumulation chamber. A plurality of gas nozzles are fixed to the lifting type frame. The gas nozzles are connected with a main air conveying pipe through branch air conveying pipes. Natural gas sensors are arranged at the butt-joint portions of the gas nozzles and the branch air conveying pipes, and the main air conveying pipe is provided with an adjusting valve. An automatic ignition device is arranged at the upper end of the inner cavity of the heat accumulation chamber, and a temperature sensor is arranged at the lower end of the inner cavity of the heat accumulation chamber. The control system achieves automatic ignition control over the gas nozzles, the output hot air temperature of the heat accumulation chamber is monitored in real time, whether natural gas leaks or not is monitored, and accordingly running of the adjusting valve is controlled. The heating device is safe and reliable, operation is convenient, automatic control over the temperature and heat of smoke conveyed to the SCR method denitration system through a glass kiln is achieved, and the denitration efficiency of the SCR method denitration system is effectively improved.

Description

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Claims

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Application Information

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Owner HUBEI QIANGDA ENVIRONMENTAL PROTECTION TECH CO LTD
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