Spray drying tower

A spray drying tower and tower body technology, which is applied in the field of industrial waste gas treatment, can solve the problems of high irritation, high equipment investment, easy leakage, etc., and achieve the effect of reducing the content of nitrogen oxides

Inactive Publication Date: 2015-07-15
佛山市三水宏源陶瓷企业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the emission of nitrogen oxides can be effectively reduced by adding denitrification devices, there are high investment in equipment and NH 3 Strong irritation, easy to leak and cause secondary pollution and other problems

Method used

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Embodiment Construction

[0017] In order to facilitate those of ordinary skill in the art to better understand the essence of the present invention, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0018] Such as Figure 1-Figure 2 As shown, a spray drying tower includes: a tower body 1, a discharge port 2 arranged at the bottom of the tower body, a hot air supply device 3 connected to the tower body 1, a slurry supply atomization device 4, and an exhaust device 5 And denitrification device 6, said denitrification device 6 communicates with tower body 1 through slurry supply atomization device 4.

[0019] Wherein, the denitration device 6 includes: a denitration agent storage device 61, a denitration agent dilution device 62 connected with the denitration agent storage device 61, a denitration agent metering device 63 connected with the denitration agent dilution device 62, and a denitration agent metering d...

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PUM

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Abstract

The invention discloses a spray drying tower which comprises a tower body, a discharge hole formed in the bottom of the tower body, a hot air supply device connected with the tower body, a slurry supply atomization device and an exhaust device. The spray drying tower is characterized by further comprising a denitrification device; the denitrification device comprises a denitrifying agent storage device, a denitrifying agent dilution device connected with the denitrifying agent storage device, a denitrifying agent metering device connected with the denitrifying agent dilution device, and a mixer connected with the denitrifying agent metering device; the mixer is connected with the slurry supply atomization device. When the spray drying tower is used for a powder making process, a test proves that the content of nitric oxide in the tail gas is lower than 240mg / Nm<3>, so that the regulations of ceramic industrial pollutant emission standards can be met.

Description

technical field [0001] The invention relates to the technical field of industrial waste gas treatment, in particular to a spray drying tower. Background technique [0002] The spray drying tower is a necessary equipment in the ceramic production process. It is used to prepare fine ceramic powder with stable moisture content. Its performance directly affects the output and quality of the powder, and is also related to energy consumption and environmental protection in ceramic production. . [0003] Nitrogen oxides (NO X ) is one of the important pollutants causing air pollution. With the gradual enhancement of environmental protection awareness, the ceramic production industry has also put forward clear requirements for the emission of pollutants, that is, the emission should not exceed 240mg / Nm 3 . In order to reduce the content of nitrogen oxides in the tail gas of the ceramic industry, a common practice is to add a denitrification device to the tail gas, and use SCR (s...

Claims

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Application Information

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IPC IPC(8): B01D1/18B01D1/30B01D53/79B01D53/74B01D53/56
Inventor 林亮银
Owner 佛山市三水宏源陶瓷企业有限公司
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