Desulfurization wastewater droplet evaporation test device and method

A technology for desulfurization wastewater and droplet evaporation, which is used in measuring devices, material excitation analysis, instruments, etc.

Pending Publication Date: 2019-04-02
XUZHOU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there are few studies on droplet evaporation in desulfurization wastewater evaporation. Mitsubishi Heavy Industries carried out experimental research on desulfurization wastewater flue evaporation earlier. Experimental research on the evap...

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  • Desulfurization wastewater droplet evaporation test device and method
  • Desulfurization wastewater droplet evaporation test device and method
  • Desulfurization wastewater droplet evaporation test device and method

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with accompanying drawing.

[0033] Such as figure 1 As shown, a desulfurization wastewater droplet evaporation test device includes a coal-fired boiler 1 and a buffer tank 2 and an evaporation chamber 3 arranged side by side above the coal-fired boiler 1, the flue gas outlet end of the coal-fired boiler 1 and the buffer tank 2 The lower inlet end is connected. In order to simulate different flue gas environments according to the needs, the buffer tank 2 is provided with a vent 11 near the lower inlet end; the upper outlet end of the buffer tank 2 communicates with the upper inlet end of the evaporation chamber 3 through the pipeline 4 ; The pipeline 4 is provided with a temperature and humidity sensor-5;

[0034] A nozzle 6 is arranged above the interior of the evaporation chamber 3, and the nozzle 6 communicates with the desulfurization wastewater added with a fluorescent agent through a liquid supp...

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Abstract

Provided in the invention are a desulfurization wastewater droplet evaporation test device and method. A flue gas outlet end of a coal-fired boiler is communicated with a lower inlet end of a buffer tank; a vent port is opened on the buffer tank; and an upper outlet end of the buffer tank is communicated with an upper inlet end of an evaporation chamber through a pipeline. A temperature and humidity sensor I is arranged in the pipeline. A nozzle is arranged at the upper space inside the evaporation chamber; a plurality of temperature and humidity sensors I are arranged inside the main body part of the evaporation chamber from top to bottom at equal intervals; a plurality of transparent observation windows are arranged on the side wall of the main body part of the evaporation chamber from top to bottom at equal intervals; a plurality of high speed cameras are installed at the plurality of observation windows; and a plurality of ultraviolet lamps are installed on the outer side of the evaporation chamber. An induced draft fan is arranged at the lower outlet end of the evaporation chamber. In addition, method includes: quenched and tempered flue gas is led into the evaporation chamber; a fluorescent agent is added into to-be-desulfurized wastewater and atomization is carried out, and then the processed water is guided into the evaporation chamber; and the droplet conditions at different positions are collected in real time by the high speed cameras. Therefore, whether the desulfurization wastewater droplets are evaporated completely is evaluated accurately; and the evaporationtime is tested accurately.

Description

technical field [0001] The invention relates to a desulfurization waste water droplet evaporation test device and a test method, which belong to the technical field of environmental protection. Background technique [0002] The limestone-gypsum wet desulfurization process is mature and stable, has high desulfurization efficiency, and has good adaptability to coal types, so it is widely used in thermal power plants. However, during the operation of this process, the desulfurization slurry is recycled, so the pH value continues to decrease. In addition, HCl in the flue gas and chloride ions in the process water will also be continuously enriched in the slurry, resulting in a decrease in desulfurization efficiency and a decrease in the quality of the by-product gypsum. , Intensified corrosion of desulfurization equipment and other issues. In order to ensure the safety and stability of the desulfurization system and maintain a high level of desulfurization efficiency, the proce...

Claims

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Application Information

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IPC IPC(8): G01N21/64
CPCG01N21/6428G01N2021/6439
Inventor 胡斌滕道祥李文义戴前进
Owner XUZHOU UNIV OF TECH
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