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Spraying granulation flue gas treatment system and process

A technology of spraying granulation and flue gas, which is applied in the field of air pollution control and can solve problems such as burnt smell of flue gas

Active Publication Date: 2011-10-12
内蒙古阜丰生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Spray granulation technology is widely used in fertilizer, amino acid and other industries, but in the process of spray granulation, a large amount of water evaporates under the action of high-temperature hot air to form water vapor, forming white smoke in the air, and trace organic matter in the concentrate Scorched at 300-800℃ high temperature, so that the smoke has a slight burnt smell

Method used

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  • Spraying granulation flue gas treatment system and process
  • Spraying granulation flue gas treatment system and process
  • Spraying granulation flue gas treatment system and process

Examples

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Embodiment 1

[0017] Example 1: A spray granulation flue gas treatment system includes a cooling tower 1, a water collection tank 2, an evaporator 3, an induced draft fan 4, a boiler 5, a Venturi dust collector 6, a spray washing tower 7, and a heat exchanger 8. The water cooling tower 9, the electrostatic demister 10, the induced draft fan 4 are connected to the boiler 5, wherein the outlet pipe 11 of the cooling tower 1 is connected to the spray scrubber 7, and the outlet pipe 12 of the spray scrubber 7 is connected to the sump 2 The water inlet pipe of the sump 2 is connected to the low-concentration washing water outlet pipe 13 of the cooling tower 1, the high-concentration washing water outlet pipe 14 of the sump is connected to the evaporator 3, and the Venturi dust collector 6 is connected to the spray washing The flue gas pipe 15 of the tower 7 is connected, the flue gas pipe 16 of the spray scrubber 5 is connected with the heat exchanger 8, the heat exchanger 8 and the water cooling...

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Abstract

The invention discloses a spraying granulation flue gas treatment system and a spraying granulation flue gas treatment process. The process flow comprises the following steps that: flue gas passes through a venturi, a spraying spray scrubber, a heat exchanger, an electric demister and a draught fan, and is introduced into a boiler to serve as inlet air to support combustion, and is discharged through a chimney. Meanwhile, wastewater generated through condensation of the flue gas is evaporated and concentrated. The invention reduces pollutant emission and water consumption, increases the yield of a spraying granulation product, and has certain economic benefit, environmental benefit and social benefit.

Description

Technical field: [0001] The invention belongs to the technical field of air pollution control, and relates to a system and a process for controlling flue gas from amino acid fermentation waste liquid spraying and granulation. Background technique: [0002] Spray granulation technology is widely used in fertilizer, amino acid and other industries, but in the process of spray granulation, a large amount of water evaporates under the action of high-temperature hot air to form water vapor, forming white smoke in the air, and trace organic matter in the concentrate It is scorched at a high temperature of 300-800°C, which makes the smoke have a slight burnt smell. [0003] Relevant research departments have carried out preliminary analysis and research on the flue gas from shotcrete granulation. The results of the analysis and research show that the main component of the flue gas is water vapor, and it also contains certain organic matter, so it is difficult to completely deal wit...

Claims

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Application Information

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IPC IPC(8): B01D50/00B03C3/017B01D53/14F23G7/06
Inventor 张伟葛秀旭徐宝田张家明
Owner 内蒙古阜丰生物科技有限公司
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